diff --git a/.clang_complete b/.clang_complete
new file mode 100644
index 0000000000000000000000000000000000000000..79d0946b3320cb8732546341714e0686bdfcc08d
--- /dev/null
+++ b/.clang_complete
@@ -0,0 +1,8 @@
+-Ithird_party/googletest/include
+-Ithird_party/googletest
+-Iinclude
+-Igens
+-I.
+-Ithird_party/boringssl/include
+-Ithird_party/zlib
+-Ithird_party/protobuf/src
diff --git a/.gitignore b/.gitignore
index 502483f45698907f47c72722070a33c58475f39b..ca61bda124c993a79f8f6f67b1c37e730337f7a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,7 +14,7 @@ dist/
 *.egg
 
 # Node installation output
-node_modules/
+^node_modules
 src/node/extension_binary/
 
 # gcov coverage data
diff --git a/.gitmodules b/.gitmodules
index c37d0abdf0bdf70f9b97f16bf7ae6010d16c6eb5..c85a53943a743cb9da64bd301ed46ff73f175adc 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,7 +13,7 @@
 	url = https://github.com/google/googletest.git
 [submodule "third_party/boringssl"]
 	path = third_party/boringssl
-	url = https://boringssl.googlesource.com/boringssl
+	url = https://github.com/google/boringssl.git
 [submodule "third_party/nanopb"]
 	path = third_party/nanopb
 	url = https://github.com/nanopb/nanopb.git
diff --git a/BUILD b/BUILD
index 659e79a1e0e6f9112c48e64ebf55570341c022b1..b69c9404113bff4ce628ddf6bf25e8ab2b0129bc 100644
--- a/BUILD
+++ b/BUILD
@@ -41,65 +41,66 @@ package(default_visibility = ["//visibility:public"])
 
 
 
+
 cc_library(
   name = "gpr",
   srcs = [
-    "src/core/profiling/timers.h",
-    "src/core/support/backoff.h",
-    "src/core/support/block_annotate.h",
-    "src/core/support/env.h",
-    "src/core/support/load_file.h",
-    "src/core/support/murmur_hash.h",
-    "src/core/support/stack_lockfree.h",
-    "src/core/support/string.h",
-    "src/core/support/string_win32.h",
-    "src/core/support/thd_internal.h",
-    "src/core/support/time_precise.h",
-    "src/core/support/tmpfile.h",
-    "src/core/profiling/basic_timers.c",
-    "src/core/profiling/stap_timers.c",
-    "src/core/support/alloc.c",
-    "src/core/support/avl.c",
-    "src/core/support/backoff.c",
-    "src/core/support/cmdline.c",
-    "src/core/support/cpu_iphone.c",
-    "src/core/support/cpu_linux.c",
-    "src/core/support/cpu_posix.c",
-    "src/core/support/cpu_windows.c",
-    "src/core/support/env_linux.c",
-    "src/core/support/env_posix.c",
-    "src/core/support/env_win32.c",
-    "src/core/support/histogram.c",
-    "src/core/support/host_port.c",
-    "src/core/support/load_file.c",
-    "src/core/support/log.c",
-    "src/core/support/log_android.c",
-    "src/core/support/log_linux.c",
-    "src/core/support/log_posix.c",
-    "src/core/support/log_win32.c",
-    "src/core/support/murmur_hash.c",
-    "src/core/support/slice.c",
-    "src/core/support/slice_buffer.c",
-    "src/core/support/stack_lockfree.c",
-    "src/core/support/string.c",
-    "src/core/support/string_posix.c",
-    "src/core/support/string_win32.c",
-    "src/core/support/subprocess_posix.c",
-    "src/core/support/subprocess_windows.c",
-    "src/core/support/sync.c",
-    "src/core/support/sync_posix.c",
-    "src/core/support/sync_win32.c",
-    "src/core/support/thd.c",
-    "src/core/support/thd_posix.c",
-    "src/core/support/thd_win32.c",
-    "src/core/support/time.c",
-    "src/core/support/time_posix.c",
-    "src/core/support/time_precise.c",
-    "src/core/support/time_win32.c",
-    "src/core/support/tls_pthread.c",
-    "src/core/support/tmpfile_posix.c",
-    "src/core/support/tmpfile_win32.c",
-    "src/core/support/wrap_memcpy.c",
+    "src/core/lib/profiling/timers.h",
+    "src/core/lib/support/backoff.h",
+    "src/core/lib/support/block_annotate.h",
+    "src/core/lib/support/env.h",
+    "src/core/lib/support/load_file.h",
+    "src/core/lib/support/murmur_hash.h",
+    "src/core/lib/support/stack_lockfree.h",
+    "src/core/lib/support/string.h",
+    "src/core/lib/support/string_win32.h",
+    "src/core/lib/support/thd_internal.h",
+    "src/core/lib/support/time_precise.h",
+    "src/core/lib/support/tmpfile.h",
+    "src/core/lib/profiling/basic_timers.c",
+    "src/core/lib/profiling/stap_timers.c",
+    "src/core/lib/support/alloc.c",
+    "src/core/lib/support/avl.c",
+    "src/core/lib/support/backoff.c",
+    "src/core/lib/support/cmdline.c",
+    "src/core/lib/support/cpu_iphone.c",
+    "src/core/lib/support/cpu_linux.c",
+    "src/core/lib/support/cpu_posix.c",
+    "src/core/lib/support/cpu_windows.c",
+    "src/core/lib/support/env_linux.c",
+    "src/core/lib/support/env_posix.c",
+    "src/core/lib/support/env_win32.c",
+    "src/core/lib/support/histogram.c",
+    "src/core/lib/support/host_port.c",
+    "src/core/lib/support/load_file.c",
+    "src/core/lib/support/log.c",
+    "src/core/lib/support/log_android.c",
+    "src/core/lib/support/log_linux.c",
+    "src/core/lib/support/log_posix.c",
+    "src/core/lib/support/log_win32.c",
+    "src/core/lib/support/murmur_hash.c",
+    "src/core/lib/support/slice.c",
+    "src/core/lib/support/slice_buffer.c",
+    "src/core/lib/support/stack_lockfree.c",
+    "src/core/lib/support/string.c",
+    "src/core/lib/support/string_posix.c",
+    "src/core/lib/support/string_win32.c",
+    "src/core/lib/support/subprocess_posix.c",
+    "src/core/lib/support/subprocess_windows.c",
+    "src/core/lib/support/sync.c",
+    "src/core/lib/support/sync_posix.c",
+    "src/core/lib/support/sync_win32.c",
+    "src/core/lib/support/thd.c",
+    "src/core/lib/support/thd_posix.c",
+    "src/core/lib/support/thd_win32.c",
+    "src/core/lib/support/time.c",
+    "src/core/lib/support/time_posix.c",
+    "src/core/lib/support/time_precise.c",
+    "src/core/lib/support/time_win32.c",
+    "src/core/lib/support/tls_pthread.c",
+    "src/core/lib/support/tmpfile_posix.c",
+    "src/core/lib/support/tmpfile_win32.c",
+    "src/core/lib/support/wrap_memcpy.c",
   ],
   hdrs = [
     "include/grpc/support/alloc.h",
@@ -154,308 +155,306 @@ cc_library(
 )
 
 
+
 cc_library(
   name = "grpc",
   srcs = [
-    "src/core/census/grpc_filter.h",
-    "src/core/channel/channel_args.h",
-    "src/core/channel/channel_stack.h",
-    "src/core/channel/client_channel.h",
-    "src/core/channel/client_uchannel.h",
-    "src/core/channel/compress_filter.h",
-    "src/core/channel/connected_channel.h",
-    "src/core/channel/context.h",
-    "src/core/channel/http_client_filter.h",
-    "src/core/channel/http_server_filter.h",
-    "src/core/channel/subchannel_call_holder.h",
-    "src/core/client_config/client_config.h",
-    "src/core/client_config/connector.h",
-    "src/core/client_config/initial_connect_string.h",
-    "src/core/client_config/lb_policies/load_balancer_api.h",
-    "src/core/client_config/lb_policies/pick_first.h",
-    "src/core/client_config/lb_policies/round_robin.h",
-    "src/core/client_config/lb_policy.h",
-    "src/core/client_config/lb_policy_factory.h",
-    "src/core/client_config/lb_policy_registry.h",
-    "src/core/client_config/resolver.h",
-    "src/core/client_config/resolver_factory.h",
-    "src/core/client_config/resolver_registry.h",
-    "src/core/client_config/resolvers/dns_resolver.h",
-    "src/core/client_config/resolvers/sockaddr_resolver.h",
-    "src/core/client_config/subchannel.h",
-    "src/core/client_config/subchannel_factory.h",
-    "src/core/client_config/subchannel_index.h",
-    "src/core/client_config/uri_parser.h",
-    "src/core/compression/algorithm_metadata.h",
-    "src/core/compression/message_compress.h",
-    "src/core/debug/trace.h",
-    "src/core/httpcli/format_request.h",
-    "src/core/httpcli/httpcli.h",
-    "src/core/httpcli/parser.h",
-    "src/core/iomgr/closure.h",
-    "src/core/iomgr/endpoint.h",
-    "src/core/iomgr/endpoint_pair.h",
-    "src/core/iomgr/exec_ctx.h",
-    "src/core/iomgr/executor.h",
-    "src/core/iomgr/fd_posix.h",
-    "src/core/iomgr/iocp_windows.h",
-    "src/core/iomgr/iomgr.h",
-    "src/core/iomgr/iomgr_internal.h",
-    "src/core/iomgr/iomgr_posix.h",
-    "src/core/iomgr/pollset.h",
-    "src/core/iomgr/pollset_posix.h",
-    "src/core/iomgr/pollset_set.h",
-    "src/core/iomgr/pollset_set_posix.h",
-    "src/core/iomgr/pollset_set_windows.h",
-    "src/core/iomgr/pollset_windows.h",
-    "src/core/iomgr/resolve_address.h",
-    "src/core/iomgr/sockaddr.h",
-    "src/core/iomgr/sockaddr_posix.h",
-    "src/core/iomgr/sockaddr_utils.h",
-    "src/core/iomgr/sockaddr_win32.h",
-    "src/core/iomgr/socket_utils_posix.h",
-    "src/core/iomgr/socket_windows.h",
-    "src/core/iomgr/tcp_client.h",
-    "src/core/iomgr/tcp_posix.h",
-    "src/core/iomgr/tcp_server.h",
-    "src/core/iomgr/tcp_windows.h",
-    "src/core/iomgr/time_averaged_stats.h",
-    "src/core/iomgr/timer.h",
-    "src/core/iomgr/timer_heap.h",
-    "src/core/iomgr/udp_server.h",
-    "src/core/iomgr/wakeup_fd_pipe.h",
-    "src/core/iomgr/wakeup_fd_posix.h",
-    "src/core/iomgr/workqueue.h",
-    "src/core/iomgr/workqueue_posix.h",
-    "src/core/iomgr/workqueue_windows.h",
-    "src/core/json/json.h",
-    "src/core/json/json_common.h",
-    "src/core/json/json_reader.h",
-    "src/core/json/json_writer.h",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.h",
-    "src/core/statistics/census_interface.h",
-    "src/core/statistics/census_rpc_stats.h",
-    "src/core/surface/api_trace.h",
-    "src/core/surface/call.h",
-    "src/core/surface/call_test_only.h",
-    "src/core/surface/channel.h",
-    "src/core/surface/completion_queue.h",
-    "src/core/surface/event_string.h",
-    "src/core/surface/init.h",
-    "src/core/surface/server.h",
-    "src/core/surface/surface_trace.h",
-    "src/core/transport/byte_stream.h",
-    "src/core/transport/chttp2/alpn.h",
-    "src/core/transport/chttp2/bin_encoder.h",
-    "src/core/transport/chttp2/frame.h",
-    "src/core/transport/chttp2/frame_data.h",
-    "src/core/transport/chttp2/frame_goaway.h",
-    "src/core/transport/chttp2/frame_ping.h",
-    "src/core/transport/chttp2/frame_rst_stream.h",
-    "src/core/transport/chttp2/frame_settings.h",
-    "src/core/transport/chttp2/frame_window_update.h",
-    "src/core/transport/chttp2/hpack_encoder.h",
-    "src/core/transport/chttp2/hpack_parser.h",
-    "src/core/transport/chttp2/hpack_table.h",
-    "src/core/transport/chttp2/http2_errors.h",
-    "src/core/transport/chttp2/huffsyms.h",
-    "src/core/transport/chttp2/incoming_metadata.h",
-    "src/core/transport/chttp2/internal.h",
-    "src/core/transport/chttp2/status_conversion.h",
-    "src/core/transport/chttp2/stream_map.h",
-    "src/core/transport/chttp2/timeout_encoding.h",
-    "src/core/transport/chttp2/varint.h",
-    "src/core/transport/chttp2_transport.h",
-    "src/core/transport/connectivity_state.h",
-    "src/core/transport/metadata.h",
-    "src/core/transport/metadata_batch.h",
-    "src/core/transport/static_metadata.h",
-    "src/core/transport/transport.h",
-    "src/core/transport/transport_impl.h",
-    "src/core/security/auth_filters.h",
-    "src/core/security/b64.h",
-    "src/core/security/credentials.h",
-    "src/core/security/handshake.h",
-    "src/core/security/json_token.h",
-    "src/core/security/jwt_verifier.h",
-    "src/core/security/secure_endpoint.h",
-    "src/core/security/security_connector.h",
-    "src/core/security/security_context.h",
-    "src/core/tsi/fake_transport_security.h",
-    "src/core/tsi/ssl_transport_security.h",
-    "src/core/tsi/ssl_types.h",
-    "src/core/tsi/transport_security.h",
-    "src/core/tsi/transport_security_interface.h",
-    "src/core/census/aggregation.h",
-    "src/core/census/mlog.h",
-    "src/core/census/rpc_metric_id.h",
-    "third_party/nanopb/pb.h",
-    "third_party/nanopb/pb_common.h",
-    "third_party/nanopb/pb_decode.h",
-    "third_party/nanopb/pb_encode.h",
-    "src/core/census/grpc_context.c",
-    "src/core/census/grpc_filter.c",
-    "src/core/channel/channel_args.c",
-    "src/core/channel/channel_stack.c",
-    "src/core/channel/client_channel.c",
-    "src/core/channel/client_uchannel.c",
-    "src/core/channel/compress_filter.c",
-    "src/core/channel/connected_channel.c",
-    "src/core/channel/http_client_filter.c",
-    "src/core/channel/http_server_filter.c",
-    "src/core/channel/subchannel_call_holder.c",
-    "src/core/client_config/client_config.c",
-    "src/core/client_config/connector.c",
-    "src/core/client_config/default_initial_connect_string.c",
-    "src/core/client_config/initial_connect_string.c",
-    "src/core/client_config/lb_policies/load_balancer_api.c",
-    "src/core/client_config/lb_policies/pick_first.c",
-    "src/core/client_config/lb_policies/round_robin.c",
-    "src/core/client_config/lb_policy.c",
-    "src/core/client_config/lb_policy_factory.c",
-    "src/core/client_config/lb_policy_registry.c",
-    "src/core/client_config/resolver.c",
-    "src/core/client_config/resolver_factory.c",
-    "src/core/client_config/resolver_registry.c",
-    "src/core/client_config/resolvers/dns_resolver.c",
-    "src/core/client_config/resolvers/sockaddr_resolver.c",
-    "src/core/client_config/subchannel.c",
-    "src/core/client_config/subchannel_factory.c",
-    "src/core/client_config/subchannel_index.c",
-    "src/core/client_config/uri_parser.c",
-    "src/core/compression/compression_algorithm.c",
-    "src/core/compression/message_compress.c",
-    "src/core/debug/trace.c",
-    "src/core/httpcli/format_request.c",
-    "src/core/httpcli/httpcli.c",
-    "src/core/httpcli/parser.c",
-    "src/core/iomgr/closure.c",
-    "src/core/iomgr/endpoint.c",
-    "src/core/iomgr/endpoint_pair_posix.c",
-    "src/core/iomgr/endpoint_pair_windows.c",
-    "src/core/iomgr/exec_ctx.c",
-    "src/core/iomgr/executor.c",
-    "src/core/iomgr/fd_posix.c",
-    "src/core/iomgr/iocp_windows.c",
-    "src/core/iomgr/iomgr.c",
-    "src/core/iomgr/iomgr_posix.c",
-    "src/core/iomgr/iomgr_windows.c",
-    "src/core/iomgr/pollset_multipoller_with_epoll.c",
-    "src/core/iomgr/pollset_multipoller_with_poll_posix.c",
-    "src/core/iomgr/pollset_posix.c",
-    "src/core/iomgr/pollset_set_posix.c",
-    "src/core/iomgr/pollset_set_windows.c",
-    "src/core/iomgr/pollset_windows.c",
-    "src/core/iomgr/resolve_address_posix.c",
-    "src/core/iomgr/resolve_address_windows.c",
-    "src/core/iomgr/sockaddr_utils.c",
-    "src/core/iomgr/socket_utils_common_posix.c",
-    "src/core/iomgr/socket_utils_linux.c",
-    "src/core/iomgr/socket_utils_posix.c",
-    "src/core/iomgr/socket_windows.c",
-    "src/core/iomgr/tcp_client_posix.c",
-    "src/core/iomgr/tcp_client_windows.c",
-    "src/core/iomgr/tcp_posix.c",
-    "src/core/iomgr/tcp_server_posix.c",
-    "src/core/iomgr/tcp_server_windows.c",
-    "src/core/iomgr/tcp_windows.c",
-    "src/core/iomgr/time_averaged_stats.c",
-    "src/core/iomgr/timer.c",
-    "src/core/iomgr/timer_heap.c",
-    "src/core/iomgr/udp_server.c",
-    "src/core/iomgr/wakeup_fd_eventfd.c",
-    "src/core/iomgr/wakeup_fd_nospecial.c",
-    "src/core/iomgr/wakeup_fd_pipe.c",
-    "src/core/iomgr/wakeup_fd_posix.c",
-    "src/core/iomgr/workqueue_posix.c",
-    "src/core/iomgr/workqueue_windows.c",
-    "src/core/json/json.c",
-    "src/core/json/json_reader.c",
-    "src/core/json/json_string.c",
-    "src/core/json/json_writer.c",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.c",
-    "src/core/surface/alarm.c",
-    "src/core/surface/api_trace.c",
-    "src/core/surface/byte_buffer.c",
-    "src/core/surface/byte_buffer_reader.c",
-    "src/core/surface/call.c",
-    "src/core/surface/call_details.c",
-    "src/core/surface/call_log_batch.c",
-    "src/core/surface/channel.c",
-    "src/core/surface/channel_connectivity.c",
-    "src/core/surface/channel_create.c",
-    "src/core/surface/channel_ping.c",
-    "src/core/surface/completion_queue.c",
-    "src/core/surface/event_string.c",
-    "src/core/surface/init.c",
-    "src/core/surface/lame_client.c",
-    "src/core/surface/metadata_array.c",
-    "src/core/surface/server.c",
-    "src/core/surface/server_chttp2.c",
-    "src/core/surface/server_create.c",
-    "src/core/surface/validate_metadata.c",
-    "src/core/surface/version.c",
-    "src/core/transport/byte_stream.c",
-    "src/core/transport/chttp2/alpn.c",
-    "src/core/transport/chttp2/bin_encoder.c",
-    "src/core/transport/chttp2/frame_data.c",
-    "src/core/transport/chttp2/frame_goaway.c",
-    "src/core/transport/chttp2/frame_ping.c",
-    "src/core/transport/chttp2/frame_rst_stream.c",
-    "src/core/transport/chttp2/frame_settings.c",
-    "src/core/transport/chttp2/frame_window_update.c",
-    "src/core/transport/chttp2/hpack_encoder.c",
-    "src/core/transport/chttp2/hpack_parser.c",
-    "src/core/transport/chttp2/hpack_table.c",
-    "src/core/transport/chttp2/huffsyms.c",
-    "src/core/transport/chttp2/incoming_metadata.c",
-    "src/core/transport/chttp2/parsing.c",
-    "src/core/transport/chttp2/status_conversion.c",
-    "src/core/transport/chttp2/stream_lists.c",
-    "src/core/transport/chttp2/stream_map.c",
-    "src/core/transport/chttp2/timeout_encoding.c",
-    "src/core/transport/chttp2/varint.c",
-    "src/core/transport/chttp2/writing.c",
-    "src/core/transport/chttp2_transport.c",
-    "src/core/transport/connectivity_state.c",
-    "src/core/transport/metadata.c",
-    "src/core/transport/metadata_batch.c",
-    "src/core/transport/static_metadata.c",
-    "src/core/transport/transport.c",
-    "src/core/transport/transport_op_string.c",
-    "src/core/httpcli/httpcli_security_connector.c",
-    "src/core/security/b64.c",
-    "src/core/security/client_auth_filter.c",
-    "src/core/security/credentials.c",
-    "src/core/security/credentials_metadata.c",
-    "src/core/security/credentials_posix.c",
-    "src/core/security/credentials_win32.c",
-    "src/core/security/google_default_credentials.c",
-    "src/core/security/handshake.c",
-    "src/core/security/json_token.c",
-    "src/core/security/jwt_verifier.c",
-    "src/core/security/secure_endpoint.c",
-    "src/core/security/security_connector.c",
-    "src/core/security/security_context.c",
-    "src/core/security/server_auth_filter.c",
-    "src/core/security/server_secure_chttp2.c",
-    "src/core/surface/init_secure.c",
-    "src/core/surface/secure_channel_create.c",
-    "src/core/tsi/fake_transport_security.c",
-    "src/core/tsi/ssl_transport_security.c",
-    "src/core/tsi/transport_security.c",
-    "src/core/census/context.c",
-    "src/core/census/initialize.c",
-    "src/core/census/mlog.c",
-    "src/core/census/operation.c",
-    "src/core/census/placeholders.c",
-    "src/core/census/tracing.c",
-    "third_party/nanopb/pb_common.c",
-    "third_party/nanopb/pb_decode.c",
-    "third_party/nanopb/pb_encode.c",
+    "src/core/lib/channel/channel_args.h",
+    "src/core/lib/channel/channel_stack.h",
+    "src/core/lib/channel/channel_stack_builder.h",
+    "src/core/lib/channel/compress_filter.h",
+    "src/core/lib/channel/connected_channel.h",
+    "src/core/lib/channel/context.h",
+    "src/core/lib/channel/http_client_filter.h",
+    "src/core/lib/channel/http_server_filter.h",
+    "src/core/lib/compression/algorithm_metadata.h",
+    "src/core/lib/compression/message_compress.h",
+    "src/core/lib/debug/trace.h",
+    "src/core/lib/http/format_request.h",
+    "src/core/lib/http/httpcli.h",
+    "src/core/lib/http/parser.h",
+    "src/core/lib/iomgr/closure.h",
+    "src/core/lib/iomgr/endpoint.h",
+    "src/core/lib/iomgr/endpoint_pair.h",
+    "src/core/lib/iomgr/ev_poll_and_epoll_posix.h",
+    "src/core/lib/iomgr/ev_posix.h",
+    "src/core/lib/iomgr/exec_ctx.h",
+    "src/core/lib/iomgr/executor.h",
+    "src/core/lib/iomgr/iocp_windows.h",
+    "src/core/lib/iomgr/iomgr.h",
+    "src/core/lib/iomgr/iomgr_internal.h",
+    "src/core/lib/iomgr/iomgr_posix.h",
+    "src/core/lib/iomgr/pollset.h",
+    "src/core/lib/iomgr/pollset_set.h",
+    "src/core/lib/iomgr/pollset_set_windows.h",
+    "src/core/lib/iomgr/pollset_windows.h",
+    "src/core/lib/iomgr/resolve_address.h",
+    "src/core/lib/iomgr/sockaddr.h",
+    "src/core/lib/iomgr/sockaddr_posix.h",
+    "src/core/lib/iomgr/sockaddr_utils.h",
+    "src/core/lib/iomgr/sockaddr_win32.h",
+    "src/core/lib/iomgr/socket_utils_posix.h",
+    "src/core/lib/iomgr/socket_windows.h",
+    "src/core/lib/iomgr/tcp_client.h",
+    "src/core/lib/iomgr/tcp_posix.h",
+    "src/core/lib/iomgr/tcp_server.h",
+    "src/core/lib/iomgr/tcp_windows.h",
+    "src/core/lib/iomgr/time_averaged_stats.h",
+    "src/core/lib/iomgr/timer.h",
+    "src/core/lib/iomgr/timer_heap.h",
+    "src/core/lib/iomgr/udp_server.h",
+    "src/core/lib/iomgr/unix_sockets_posix.h",
+    "src/core/lib/iomgr/wakeup_fd_pipe.h",
+    "src/core/lib/iomgr/wakeup_fd_posix.h",
+    "src/core/lib/iomgr/workqueue.h",
+    "src/core/lib/iomgr/workqueue_posix.h",
+    "src/core/lib/iomgr/workqueue_windows.h",
+    "src/core/lib/json/json.h",
+    "src/core/lib/json/json_common.h",
+    "src/core/lib/json/json_reader.h",
+    "src/core/lib/json/json_writer.h",
+    "src/core/lib/surface/api_trace.h",
+    "src/core/lib/surface/call.h",
+    "src/core/lib/surface/call_test_only.h",
+    "src/core/lib/surface/channel.h",
+    "src/core/lib/surface/channel_init.h",
+    "src/core/lib/surface/channel_stack_type.h",
+    "src/core/lib/surface/completion_queue.h",
+    "src/core/lib/surface/event_string.h",
+    "src/core/lib/surface/init.h",
+    "src/core/lib/surface/lame_client.h",
+    "src/core/lib/surface/server.h",
+    "src/core/lib/surface/surface_trace.h",
+    "src/core/lib/transport/byte_stream.h",
+    "src/core/lib/transport/connectivity_state.h",
+    "src/core/lib/transport/metadata.h",
+    "src/core/lib/transport/metadata_batch.h",
+    "src/core/lib/transport/static_metadata.h",
+    "src/core/lib/transport/transport.h",
+    "src/core/lib/transport/transport_impl.h",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.h",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
+    "src/core/ext/transport/chttp2/transport/frame.h",
+    "src/core/ext/transport/chttp2/transport/frame_data.h",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.h",
+    "src/core/ext/transport/chttp2/transport/frame_ping.h",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
+    "src/core/ext/transport/chttp2/transport/frame_settings.h",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.h",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.h",
+    "src/core/ext/transport/chttp2/transport/hpack_table.h",
+    "src/core/ext/transport/chttp2/transport/http2_errors.h",
+    "src/core/ext/transport/chttp2/transport/huffsyms.h",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.h",
+    "src/core/ext/transport/chttp2/transport/internal.h",
+    "src/core/ext/transport/chttp2/transport/status_conversion.h",
+    "src/core/ext/transport/chttp2/transport/stream_map.h",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.h",
+    "src/core/ext/transport/chttp2/transport/varint.h",
+    "src/core/ext/transport/chttp2/alpn/alpn.h",
+    "src/core/lib/security/auth_filters.h",
+    "src/core/lib/security/b64.h",
+    "src/core/lib/security/credentials.h",
+    "src/core/lib/security/handshake.h",
+    "src/core/lib/security/json_token.h",
+    "src/core/lib/security/jwt_verifier.h",
+    "src/core/lib/security/secure_endpoint.h",
+    "src/core/lib/security/security_connector.h",
+    "src/core/lib/security/security_context.h",
+    "src/core/lib/tsi/fake_transport_security.h",
+    "src/core/lib/tsi/ssl_transport_security.h",
+    "src/core/lib/tsi/ssl_types.h",
+    "src/core/lib/tsi/transport_security.h",
+    "src/core/lib/tsi/transport_security_interface.h",
+    "src/core/ext/client_config/client_channel.h",
+    "src/core/ext/client_config/client_channel_factory.h",
+    "src/core/ext/client_config/client_config.h",
+    "src/core/ext/client_config/connector.h",
+    "src/core/ext/client_config/initial_connect_string.h",
+    "src/core/ext/client_config/lb_policy.h",
+    "src/core/ext/client_config/lb_policy_factory.h",
+    "src/core/ext/client_config/lb_policy_registry.h",
+    "src/core/ext/client_config/parse_address.h",
+    "src/core/ext/client_config/resolver.h",
+    "src/core/ext/client_config/resolver_factory.h",
+    "src/core/ext/client_config/resolver_registry.h",
+    "src/core/ext/client_config/subchannel.h",
+    "src/core/ext/client_config/subchannel_call_holder.h",
+    "src/core/ext/client_config/subchannel_index.h",
+    "src/core/ext/client_config/uri_parser.h",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h",
+    "src/core/ext/census/aggregation.h",
+    "src/core/ext/census/census_interface.h",
+    "src/core/ext/census/census_rpc_stats.h",
+    "src/core/ext/census/grpc_filter.h",
+    "src/core/ext/census/mlog.h",
+    "src/core/ext/census/rpc_metric_id.h",
+    "src/core/lib/surface/init.c",
+    "src/core/lib/channel/channel_args.c",
+    "src/core/lib/channel/channel_stack.c",
+    "src/core/lib/channel/channel_stack_builder.c",
+    "src/core/lib/channel/compress_filter.c",
+    "src/core/lib/channel/connected_channel.c",
+    "src/core/lib/channel/http_client_filter.c",
+    "src/core/lib/channel/http_server_filter.c",
+    "src/core/lib/compression/compression_algorithm.c",
+    "src/core/lib/compression/message_compress.c",
+    "src/core/lib/debug/trace.c",
+    "src/core/lib/http/format_request.c",
+    "src/core/lib/http/httpcli.c",
+    "src/core/lib/http/parser.c",
+    "src/core/lib/iomgr/closure.c",
+    "src/core/lib/iomgr/endpoint.c",
+    "src/core/lib/iomgr/endpoint_pair_posix.c",
+    "src/core/lib/iomgr/endpoint_pair_windows.c",
+    "src/core/lib/iomgr/ev_poll_and_epoll_posix.c",
+    "src/core/lib/iomgr/ev_posix.c",
+    "src/core/lib/iomgr/exec_ctx.c",
+    "src/core/lib/iomgr/executor.c",
+    "src/core/lib/iomgr/iocp_windows.c",
+    "src/core/lib/iomgr/iomgr.c",
+    "src/core/lib/iomgr/iomgr_posix.c",
+    "src/core/lib/iomgr/iomgr_windows.c",
+    "src/core/lib/iomgr/pollset_set_windows.c",
+    "src/core/lib/iomgr/pollset_windows.c",
+    "src/core/lib/iomgr/resolve_address_posix.c",
+    "src/core/lib/iomgr/resolve_address_windows.c",
+    "src/core/lib/iomgr/sockaddr_utils.c",
+    "src/core/lib/iomgr/socket_utils_common_posix.c",
+    "src/core/lib/iomgr/socket_utils_linux.c",
+    "src/core/lib/iomgr/socket_utils_posix.c",
+    "src/core/lib/iomgr/socket_windows.c",
+    "src/core/lib/iomgr/tcp_client_posix.c",
+    "src/core/lib/iomgr/tcp_client_windows.c",
+    "src/core/lib/iomgr/tcp_posix.c",
+    "src/core/lib/iomgr/tcp_server_posix.c",
+    "src/core/lib/iomgr/tcp_server_windows.c",
+    "src/core/lib/iomgr/tcp_windows.c",
+    "src/core/lib/iomgr/time_averaged_stats.c",
+    "src/core/lib/iomgr/timer.c",
+    "src/core/lib/iomgr/timer_heap.c",
+    "src/core/lib/iomgr/udp_server.c",
+    "src/core/lib/iomgr/unix_sockets_posix.c",
+    "src/core/lib/iomgr/unix_sockets_posix_noop.c",
+    "src/core/lib/iomgr/wakeup_fd_eventfd.c",
+    "src/core/lib/iomgr/wakeup_fd_nospecial.c",
+    "src/core/lib/iomgr/wakeup_fd_pipe.c",
+    "src/core/lib/iomgr/wakeup_fd_posix.c",
+    "src/core/lib/iomgr/workqueue_posix.c",
+    "src/core/lib/iomgr/workqueue_windows.c",
+    "src/core/lib/json/json.c",
+    "src/core/lib/json/json_reader.c",
+    "src/core/lib/json/json_string.c",
+    "src/core/lib/json/json_writer.c",
+    "src/core/lib/surface/alarm.c",
+    "src/core/lib/surface/api_trace.c",
+    "src/core/lib/surface/byte_buffer.c",
+    "src/core/lib/surface/byte_buffer_reader.c",
+    "src/core/lib/surface/call.c",
+    "src/core/lib/surface/call_details.c",
+    "src/core/lib/surface/call_log_batch.c",
+    "src/core/lib/surface/channel.c",
+    "src/core/lib/surface/channel_init.c",
+    "src/core/lib/surface/channel_ping.c",
+    "src/core/lib/surface/channel_stack_type.c",
+    "src/core/lib/surface/completion_queue.c",
+    "src/core/lib/surface/event_string.c",
+    "src/core/lib/surface/lame_client.c",
+    "src/core/lib/surface/metadata_array.c",
+    "src/core/lib/surface/server.c",
+    "src/core/lib/surface/validate_metadata.c",
+    "src/core/lib/surface/version.c",
+    "src/core/lib/transport/byte_stream.c",
+    "src/core/lib/transport/connectivity_state.c",
+    "src/core/lib/transport/metadata.c",
+    "src/core/lib/transport/metadata_batch.c",
+    "src/core/lib/transport/static_metadata.c",
+    "src/core/lib/transport/transport.c",
+    "src/core/lib/transport/transport_op_string.c",
+    "src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_plugin.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
+    "src/core/ext/transport/chttp2/transport/frame_data.c",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.c",
+    "src/core/ext/transport/chttp2/transport/frame_ping.c",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
+    "src/core/ext/transport/chttp2/transport/frame_settings.c",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.c",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.c",
+    "src/core/ext/transport/chttp2/transport/hpack_table.c",
+    "src/core/ext/transport/chttp2/transport/huffsyms.c",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.c",
+    "src/core/ext/transport/chttp2/transport/parsing.c",
+    "src/core/ext/transport/chttp2/transport/status_conversion.c",
+    "src/core/ext/transport/chttp2/transport/stream_lists.c",
+    "src/core/ext/transport/chttp2/transport/stream_map.c",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.c",
+    "src/core/ext/transport/chttp2/transport/varint.c",
+    "src/core/ext/transport/chttp2/transport/writing.c",
+    "src/core/ext/transport/chttp2/alpn/alpn.c",
+    "src/core/lib/http/httpcli_security_connector.c",
+    "src/core/lib/security/b64.c",
+    "src/core/lib/security/client_auth_filter.c",
+    "src/core/lib/security/credentials.c",
+    "src/core/lib/security/credentials_metadata.c",
+    "src/core/lib/security/credentials_posix.c",
+    "src/core/lib/security/credentials_win32.c",
+    "src/core/lib/security/google_default_credentials.c",
+    "src/core/lib/security/handshake.c",
+    "src/core/lib/security/json_token.c",
+    "src/core/lib/security/jwt_verifier.c",
+    "src/core/lib/security/secure_endpoint.c",
+    "src/core/lib/security/security_connector.c",
+    "src/core/lib/security/security_context.c",
+    "src/core/lib/security/server_auth_filter.c",
+    "src/core/lib/surface/init_secure.c",
+    "src/core/lib/tsi/fake_transport_security.c",
+    "src/core/lib/tsi/ssl_transport_security.c",
+    "src/core/lib/tsi/transport_security.c",
+    "src/core/ext/transport/chttp2/client/secure/secure_channel_create.c",
+    "src/core/ext/client_config/channel_connectivity.c",
+    "src/core/ext/client_config/client_channel.c",
+    "src/core/ext/client_config/client_channel_factory.c",
+    "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
+    "src/core/ext/client_config/connector.c",
+    "src/core/ext/client_config/default_initial_connect_string.c",
+    "src/core/ext/client_config/initial_connect_string.c",
+    "src/core/ext/client_config/lb_policy.c",
+    "src/core/ext/client_config/lb_policy_factory.c",
+    "src/core/ext/client_config/lb_policy_registry.c",
+    "src/core/ext/client_config/parse_address.c",
+    "src/core/ext/client_config/resolver.c",
+    "src/core/ext/client_config/resolver_factory.c",
+    "src/core/ext/client_config/resolver_registry.c",
+    "src/core/ext/client_config/subchannel.c",
+    "src/core/ext/client_config/subchannel_call_holder.c",
+    "src/core/ext/client_config/subchannel_index.c",
+    "src/core/ext/client_config/uri_parser.c",
+    "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
+    "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c",
+    "src/core/ext/lb_policy/pick_first/pick_first.c",
+    "src/core/ext/lb_policy/round_robin/round_robin.c",
+    "src/core/ext/resolver/dns/native/dns_resolver.c",
+    "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
+    "src/core/ext/census/context.c",
+    "src/core/ext/census/grpc_context.c",
+    "src/core/ext/census/grpc_filter.c",
+    "src/core/ext/census/grpc_plugin.c",
+    "src/core/ext/census/initialize.c",
+    "src/core/ext/census/mlog.c",
+    "src/core/ext/census/operation.c",
+    "src/core/ext/census/placeholders.c",
+    "src/core/ext/census/tracing.c",
+    "src/core/plugin_registry/grpc_plugin_registry.c",
   ],
   hdrs = [
-    "include/grpc/grpc_security.h",
     "include/grpc/byte_buffer.h",
     "include/grpc/byte_buffer_reader.h",
     "include/grpc/compression.h",
@@ -467,28 +466,6 @@ cc_library(
     "include/grpc/impl/codegen/grpc_types.h",
     "include/grpc/impl/codegen/propagation_bits.h",
     "include/grpc/impl/codegen/status.h",
-    "include/grpc/census.h",
-  ],
-  includes = [
-    "include",
-    ".",
-  ],
-  deps = [
-    "//external:libssl",
-    "//external:zlib",
-    ":gpr",
-  ],
-  copts = [
-    "-std=gnu99",
-  ],
-)
-
-
-cc_library(
-  name = "grpc_codegen_lib",
-  srcs = [
-  ],
-  hdrs = [
     "include/grpc/impl/codegen/alloc.h",
     "include/grpc/impl/codegen/atm.h",
     "include/grpc/impl/codegen/atm_gcc_atomic.h",
@@ -503,288 +480,290 @@ cc_library(
     "include/grpc/impl/codegen/sync_posix.h",
     "include/grpc/impl/codegen/sync_win32.h",
     "include/grpc/impl/codegen/time.h",
-    "include/grpc/impl/codegen/byte_buffer.h",
-    "include/grpc/impl/codegen/compression_types.h",
-    "include/grpc/impl/codegen/connectivity_state.h",
-    "include/grpc/impl/codegen/grpc_types.h",
-    "include/grpc/impl/codegen/propagation_bits.h",
-    "include/grpc/impl/codegen/status.h",
+    "include/grpc/grpc_security.h",
+    "include/grpc/grpc_security_constants.h",
+    "include/grpc/census.h",
   ],
   includes = [
     "include",
     ".",
   ],
   deps = [
-    "//external:protobuf_compiler",
+    "//external:libssl",
+    "//external:zlib",
+    ":gpr",
+    "//external:nanopb",
+  ],
+  copts = [
+    "-std=gnu99",
   ],
 )
 
 
+
 cc_library(
   name = "grpc_unsecure",
   srcs = [
-    "src/core/census/grpc_filter.h",
-    "src/core/channel/channel_args.h",
-    "src/core/channel/channel_stack.h",
-    "src/core/channel/client_channel.h",
-    "src/core/channel/client_uchannel.h",
-    "src/core/channel/compress_filter.h",
-    "src/core/channel/connected_channel.h",
-    "src/core/channel/context.h",
-    "src/core/channel/http_client_filter.h",
-    "src/core/channel/http_server_filter.h",
-    "src/core/channel/subchannel_call_holder.h",
-    "src/core/client_config/client_config.h",
-    "src/core/client_config/connector.h",
-    "src/core/client_config/initial_connect_string.h",
-    "src/core/client_config/lb_policies/load_balancer_api.h",
-    "src/core/client_config/lb_policies/pick_first.h",
-    "src/core/client_config/lb_policies/round_robin.h",
-    "src/core/client_config/lb_policy.h",
-    "src/core/client_config/lb_policy_factory.h",
-    "src/core/client_config/lb_policy_registry.h",
-    "src/core/client_config/resolver.h",
-    "src/core/client_config/resolver_factory.h",
-    "src/core/client_config/resolver_registry.h",
-    "src/core/client_config/resolvers/dns_resolver.h",
-    "src/core/client_config/resolvers/sockaddr_resolver.h",
-    "src/core/client_config/subchannel.h",
-    "src/core/client_config/subchannel_factory.h",
-    "src/core/client_config/subchannel_index.h",
-    "src/core/client_config/uri_parser.h",
-    "src/core/compression/algorithm_metadata.h",
-    "src/core/compression/message_compress.h",
-    "src/core/debug/trace.h",
-    "src/core/httpcli/format_request.h",
-    "src/core/httpcli/httpcli.h",
-    "src/core/httpcli/parser.h",
-    "src/core/iomgr/closure.h",
-    "src/core/iomgr/endpoint.h",
-    "src/core/iomgr/endpoint_pair.h",
-    "src/core/iomgr/exec_ctx.h",
-    "src/core/iomgr/executor.h",
-    "src/core/iomgr/fd_posix.h",
-    "src/core/iomgr/iocp_windows.h",
-    "src/core/iomgr/iomgr.h",
-    "src/core/iomgr/iomgr_internal.h",
-    "src/core/iomgr/iomgr_posix.h",
-    "src/core/iomgr/pollset.h",
-    "src/core/iomgr/pollset_posix.h",
-    "src/core/iomgr/pollset_set.h",
-    "src/core/iomgr/pollset_set_posix.h",
-    "src/core/iomgr/pollset_set_windows.h",
-    "src/core/iomgr/pollset_windows.h",
-    "src/core/iomgr/resolve_address.h",
-    "src/core/iomgr/sockaddr.h",
-    "src/core/iomgr/sockaddr_posix.h",
-    "src/core/iomgr/sockaddr_utils.h",
-    "src/core/iomgr/sockaddr_win32.h",
-    "src/core/iomgr/socket_utils_posix.h",
-    "src/core/iomgr/socket_windows.h",
-    "src/core/iomgr/tcp_client.h",
-    "src/core/iomgr/tcp_posix.h",
-    "src/core/iomgr/tcp_server.h",
-    "src/core/iomgr/tcp_windows.h",
-    "src/core/iomgr/time_averaged_stats.h",
-    "src/core/iomgr/timer.h",
-    "src/core/iomgr/timer_heap.h",
-    "src/core/iomgr/udp_server.h",
-    "src/core/iomgr/wakeup_fd_pipe.h",
-    "src/core/iomgr/wakeup_fd_posix.h",
-    "src/core/iomgr/workqueue.h",
-    "src/core/iomgr/workqueue_posix.h",
-    "src/core/iomgr/workqueue_windows.h",
-    "src/core/json/json.h",
-    "src/core/json/json_common.h",
-    "src/core/json/json_reader.h",
-    "src/core/json/json_writer.h",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.h",
-    "src/core/statistics/census_interface.h",
-    "src/core/statistics/census_rpc_stats.h",
-    "src/core/surface/api_trace.h",
-    "src/core/surface/call.h",
-    "src/core/surface/call_test_only.h",
-    "src/core/surface/channel.h",
-    "src/core/surface/completion_queue.h",
-    "src/core/surface/event_string.h",
-    "src/core/surface/init.h",
-    "src/core/surface/server.h",
-    "src/core/surface/surface_trace.h",
-    "src/core/transport/byte_stream.h",
-    "src/core/transport/chttp2/alpn.h",
-    "src/core/transport/chttp2/bin_encoder.h",
-    "src/core/transport/chttp2/frame.h",
-    "src/core/transport/chttp2/frame_data.h",
-    "src/core/transport/chttp2/frame_goaway.h",
-    "src/core/transport/chttp2/frame_ping.h",
-    "src/core/transport/chttp2/frame_rst_stream.h",
-    "src/core/transport/chttp2/frame_settings.h",
-    "src/core/transport/chttp2/frame_window_update.h",
-    "src/core/transport/chttp2/hpack_encoder.h",
-    "src/core/transport/chttp2/hpack_parser.h",
-    "src/core/transport/chttp2/hpack_table.h",
-    "src/core/transport/chttp2/http2_errors.h",
-    "src/core/transport/chttp2/huffsyms.h",
-    "src/core/transport/chttp2/incoming_metadata.h",
-    "src/core/transport/chttp2/internal.h",
-    "src/core/transport/chttp2/status_conversion.h",
-    "src/core/transport/chttp2/stream_map.h",
-    "src/core/transport/chttp2/timeout_encoding.h",
-    "src/core/transport/chttp2/varint.h",
-    "src/core/transport/chttp2_transport.h",
-    "src/core/transport/connectivity_state.h",
-    "src/core/transport/metadata.h",
-    "src/core/transport/metadata_batch.h",
-    "src/core/transport/static_metadata.h",
-    "src/core/transport/transport.h",
-    "src/core/transport/transport_impl.h",
-    "src/core/census/aggregation.h",
-    "src/core/census/mlog.h",
-    "src/core/census/rpc_metric_id.h",
-    "third_party/nanopb/pb.h",
-    "third_party/nanopb/pb_common.h",
-    "third_party/nanopb/pb_decode.h",
-    "third_party/nanopb/pb_encode.h",
-    "src/core/surface/init_unsecure.c",
-    "src/core/census/grpc_context.c",
-    "src/core/census/grpc_filter.c",
-    "src/core/channel/channel_args.c",
-    "src/core/channel/channel_stack.c",
-    "src/core/channel/client_channel.c",
-    "src/core/channel/client_uchannel.c",
-    "src/core/channel/compress_filter.c",
-    "src/core/channel/connected_channel.c",
-    "src/core/channel/http_client_filter.c",
-    "src/core/channel/http_server_filter.c",
-    "src/core/channel/subchannel_call_holder.c",
-    "src/core/client_config/client_config.c",
-    "src/core/client_config/connector.c",
-    "src/core/client_config/default_initial_connect_string.c",
-    "src/core/client_config/initial_connect_string.c",
-    "src/core/client_config/lb_policies/load_balancer_api.c",
-    "src/core/client_config/lb_policies/pick_first.c",
-    "src/core/client_config/lb_policies/round_robin.c",
-    "src/core/client_config/lb_policy.c",
-    "src/core/client_config/lb_policy_factory.c",
-    "src/core/client_config/lb_policy_registry.c",
-    "src/core/client_config/resolver.c",
-    "src/core/client_config/resolver_factory.c",
-    "src/core/client_config/resolver_registry.c",
-    "src/core/client_config/resolvers/dns_resolver.c",
-    "src/core/client_config/resolvers/sockaddr_resolver.c",
-    "src/core/client_config/subchannel.c",
-    "src/core/client_config/subchannel_factory.c",
-    "src/core/client_config/subchannel_index.c",
-    "src/core/client_config/uri_parser.c",
-    "src/core/compression/compression_algorithm.c",
-    "src/core/compression/message_compress.c",
-    "src/core/debug/trace.c",
-    "src/core/httpcli/format_request.c",
-    "src/core/httpcli/httpcli.c",
-    "src/core/httpcli/parser.c",
-    "src/core/iomgr/closure.c",
-    "src/core/iomgr/endpoint.c",
-    "src/core/iomgr/endpoint_pair_posix.c",
-    "src/core/iomgr/endpoint_pair_windows.c",
-    "src/core/iomgr/exec_ctx.c",
-    "src/core/iomgr/executor.c",
-    "src/core/iomgr/fd_posix.c",
-    "src/core/iomgr/iocp_windows.c",
-    "src/core/iomgr/iomgr.c",
-    "src/core/iomgr/iomgr_posix.c",
-    "src/core/iomgr/iomgr_windows.c",
-    "src/core/iomgr/pollset_multipoller_with_epoll.c",
-    "src/core/iomgr/pollset_multipoller_with_poll_posix.c",
-    "src/core/iomgr/pollset_posix.c",
-    "src/core/iomgr/pollset_set_posix.c",
-    "src/core/iomgr/pollset_set_windows.c",
-    "src/core/iomgr/pollset_windows.c",
-    "src/core/iomgr/resolve_address_posix.c",
-    "src/core/iomgr/resolve_address_windows.c",
-    "src/core/iomgr/sockaddr_utils.c",
-    "src/core/iomgr/socket_utils_common_posix.c",
-    "src/core/iomgr/socket_utils_linux.c",
-    "src/core/iomgr/socket_utils_posix.c",
-    "src/core/iomgr/socket_windows.c",
-    "src/core/iomgr/tcp_client_posix.c",
-    "src/core/iomgr/tcp_client_windows.c",
-    "src/core/iomgr/tcp_posix.c",
-    "src/core/iomgr/tcp_server_posix.c",
-    "src/core/iomgr/tcp_server_windows.c",
-    "src/core/iomgr/tcp_windows.c",
-    "src/core/iomgr/time_averaged_stats.c",
-    "src/core/iomgr/timer.c",
-    "src/core/iomgr/timer_heap.c",
-    "src/core/iomgr/udp_server.c",
-    "src/core/iomgr/wakeup_fd_eventfd.c",
-    "src/core/iomgr/wakeup_fd_nospecial.c",
-    "src/core/iomgr/wakeup_fd_pipe.c",
-    "src/core/iomgr/wakeup_fd_posix.c",
-    "src/core/iomgr/workqueue_posix.c",
-    "src/core/iomgr/workqueue_windows.c",
-    "src/core/json/json.c",
-    "src/core/json/json_reader.c",
-    "src/core/json/json_string.c",
-    "src/core/json/json_writer.c",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.c",
-    "src/core/surface/alarm.c",
-    "src/core/surface/api_trace.c",
-    "src/core/surface/byte_buffer.c",
-    "src/core/surface/byte_buffer_reader.c",
-    "src/core/surface/call.c",
-    "src/core/surface/call_details.c",
-    "src/core/surface/call_log_batch.c",
-    "src/core/surface/channel.c",
-    "src/core/surface/channel_connectivity.c",
-    "src/core/surface/channel_create.c",
-    "src/core/surface/channel_ping.c",
-    "src/core/surface/completion_queue.c",
-    "src/core/surface/event_string.c",
-    "src/core/surface/init.c",
-    "src/core/surface/lame_client.c",
-    "src/core/surface/metadata_array.c",
-    "src/core/surface/server.c",
-    "src/core/surface/server_chttp2.c",
-    "src/core/surface/server_create.c",
-    "src/core/surface/validate_metadata.c",
-    "src/core/surface/version.c",
-    "src/core/transport/byte_stream.c",
-    "src/core/transport/chttp2/alpn.c",
-    "src/core/transport/chttp2/bin_encoder.c",
-    "src/core/transport/chttp2/frame_data.c",
-    "src/core/transport/chttp2/frame_goaway.c",
-    "src/core/transport/chttp2/frame_ping.c",
-    "src/core/transport/chttp2/frame_rst_stream.c",
-    "src/core/transport/chttp2/frame_settings.c",
-    "src/core/transport/chttp2/frame_window_update.c",
-    "src/core/transport/chttp2/hpack_encoder.c",
-    "src/core/transport/chttp2/hpack_parser.c",
-    "src/core/transport/chttp2/hpack_table.c",
-    "src/core/transport/chttp2/huffsyms.c",
-    "src/core/transport/chttp2/incoming_metadata.c",
-    "src/core/transport/chttp2/parsing.c",
-    "src/core/transport/chttp2/status_conversion.c",
-    "src/core/transport/chttp2/stream_lists.c",
-    "src/core/transport/chttp2/stream_map.c",
-    "src/core/transport/chttp2/timeout_encoding.c",
-    "src/core/transport/chttp2/varint.c",
-    "src/core/transport/chttp2/writing.c",
-    "src/core/transport/chttp2_transport.c",
-    "src/core/transport/connectivity_state.c",
-    "src/core/transport/metadata.c",
-    "src/core/transport/metadata_batch.c",
-    "src/core/transport/static_metadata.c",
-    "src/core/transport/transport.c",
-    "src/core/transport/transport_op_string.c",
-    "src/core/census/context.c",
-    "src/core/census/initialize.c",
-    "src/core/census/mlog.c",
-    "src/core/census/operation.c",
-    "src/core/census/placeholders.c",
-    "src/core/census/tracing.c",
-    "third_party/nanopb/pb_common.c",
-    "third_party/nanopb/pb_decode.c",
-    "third_party/nanopb/pb_encode.c",
+    "src/core/lib/channel/channel_args.h",
+    "src/core/lib/channel/channel_stack.h",
+    "src/core/lib/channel/channel_stack_builder.h",
+    "src/core/lib/channel/compress_filter.h",
+    "src/core/lib/channel/connected_channel.h",
+    "src/core/lib/channel/context.h",
+    "src/core/lib/channel/http_client_filter.h",
+    "src/core/lib/channel/http_server_filter.h",
+    "src/core/lib/compression/algorithm_metadata.h",
+    "src/core/lib/compression/message_compress.h",
+    "src/core/lib/debug/trace.h",
+    "src/core/lib/http/format_request.h",
+    "src/core/lib/http/httpcli.h",
+    "src/core/lib/http/parser.h",
+    "src/core/lib/iomgr/closure.h",
+    "src/core/lib/iomgr/endpoint.h",
+    "src/core/lib/iomgr/endpoint_pair.h",
+    "src/core/lib/iomgr/ev_poll_and_epoll_posix.h",
+    "src/core/lib/iomgr/ev_posix.h",
+    "src/core/lib/iomgr/exec_ctx.h",
+    "src/core/lib/iomgr/executor.h",
+    "src/core/lib/iomgr/iocp_windows.h",
+    "src/core/lib/iomgr/iomgr.h",
+    "src/core/lib/iomgr/iomgr_internal.h",
+    "src/core/lib/iomgr/iomgr_posix.h",
+    "src/core/lib/iomgr/pollset.h",
+    "src/core/lib/iomgr/pollset_set.h",
+    "src/core/lib/iomgr/pollset_set_windows.h",
+    "src/core/lib/iomgr/pollset_windows.h",
+    "src/core/lib/iomgr/resolve_address.h",
+    "src/core/lib/iomgr/sockaddr.h",
+    "src/core/lib/iomgr/sockaddr_posix.h",
+    "src/core/lib/iomgr/sockaddr_utils.h",
+    "src/core/lib/iomgr/sockaddr_win32.h",
+    "src/core/lib/iomgr/socket_utils_posix.h",
+    "src/core/lib/iomgr/socket_windows.h",
+    "src/core/lib/iomgr/tcp_client.h",
+    "src/core/lib/iomgr/tcp_posix.h",
+    "src/core/lib/iomgr/tcp_server.h",
+    "src/core/lib/iomgr/tcp_windows.h",
+    "src/core/lib/iomgr/time_averaged_stats.h",
+    "src/core/lib/iomgr/timer.h",
+    "src/core/lib/iomgr/timer_heap.h",
+    "src/core/lib/iomgr/udp_server.h",
+    "src/core/lib/iomgr/unix_sockets_posix.h",
+    "src/core/lib/iomgr/wakeup_fd_pipe.h",
+    "src/core/lib/iomgr/wakeup_fd_posix.h",
+    "src/core/lib/iomgr/workqueue.h",
+    "src/core/lib/iomgr/workqueue_posix.h",
+    "src/core/lib/iomgr/workqueue_windows.h",
+    "src/core/lib/json/json.h",
+    "src/core/lib/json/json_common.h",
+    "src/core/lib/json/json_reader.h",
+    "src/core/lib/json/json_writer.h",
+    "src/core/lib/surface/api_trace.h",
+    "src/core/lib/surface/call.h",
+    "src/core/lib/surface/call_test_only.h",
+    "src/core/lib/surface/channel.h",
+    "src/core/lib/surface/channel_init.h",
+    "src/core/lib/surface/channel_stack_type.h",
+    "src/core/lib/surface/completion_queue.h",
+    "src/core/lib/surface/event_string.h",
+    "src/core/lib/surface/init.h",
+    "src/core/lib/surface/lame_client.h",
+    "src/core/lib/surface/server.h",
+    "src/core/lib/surface/surface_trace.h",
+    "src/core/lib/transport/byte_stream.h",
+    "src/core/lib/transport/connectivity_state.h",
+    "src/core/lib/transport/metadata.h",
+    "src/core/lib/transport/metadata_batch.h",
+    "src/core/lib/transport/static_metadata.h",
+    "src/core/lib/transport/transport.h",
+    "src/core/lib/transport/transport_impl.h",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.h",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
+    "src/core/ext/transport/chttp2/transport/frame.h",
+    "src/core/ext/transport/chttp2/transport/frame_data.h",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.h",
+    "src/core/ext/transport/chttp2/transport/frame_ping.h",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
+    "src/core/ext/transport/chttp2/transport/frame_settings.h",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.h",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.h",
+    "src/core/ext/transport/chttp2/transport/hpack_table.h",
+    "src/core/ext/transport/chttp2/transport/http2_errors.h",
+    "src/core/ext/transport/chttp2/transport/huffsyms.h",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.h",
+    "src/core/ext/transport/chttp2/transport/internal.h",
+    "src/core/ext/transport/chttp2/transport/status_conversion.h",
+    "src/core/ext/transport/chttp2/transport/stream_map.h",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.h",
+    "src/core/ext/transport/chttp2/transport/varint.h",
+    "src/core/ext/transport/chttp2/alpn/alpn.h",
+    "src/core/ext/client_config/client_channel.h",
+    "src/core/ext/client_config/client_channel_factory.h",
+    "src/core/ext/client_config/client_config.h",
+    "src/core/ext/client_config/connector.h",
+    "src/core/ext/client_config/initial_connect_string.h",
+    "src/core/ext/client_config/lb_policy.h",
+    "src/core/ext/client_config/lb_policy_factory.h",
+    "src/core/ext/client_config/lb_policy_registry.h",
+    "src/core/ext/client_config/parse_address.h",
+    "src/core/ext/client_config/resolver.h",
+    "src/core/ext/client_config/resolver_factory.h",
+    "src/core/ext/client_config/resolver_registry.h",
+    "src/core/ext/client_config/subchannel.h",
+    "src/core/ext/client_config/subchannel_call_holder.h",
+    "src/core/ext/client_config/subchannel_index.h",
+    "src/core/ext/client_config/uri_parser.h",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h",
+    "src/core/ext/census/aggregation.h",
+    "src/core/ext/census/census_interface.h",
+    "src/core/ext/census/census_rpc_stats.h",
+    "src/core/ext/census/grpc_filter.h",
+    "src/core/ext/census/mlog.h",
+    "src/core/ext/census/rpc_metric_id.h",
+    "src/core/lib/surface/init.c",
+    "src/core/lib/surface/init_unsecure.c",
+    "src/core/lib/channel/channel_args.c",
+    "src/core/lib/channel/channel_stack.c",
+    "src/core/lib/channel/channel_stack_builder.c",
+    "src/core/lib/channel/compress_filter.c",
+    "src/core/lib/channel/connected_channel.c",
+    "src/core/lib/channel/http_client_filter.c",
+    "src/core/lib/channel/http_server_filter.c",
+    "src/core/lib/compression/compression_algorithm.c",
+    "src/core/lib/compression/message_compress.c",
+    "src/core/lib/debug/trace.c",
+    "src/core/lib/http/format_request.c",
+    "src/core/lib/http/httpcli.c",
+    "src/core/lib/http/parser.c",
+    "src/core/lib/iomgr/closure.c",
+    "src/core/lib/iomgr/endpoint.c",
+    "src/core/lib/iomgr/endpoint_pair_posix.c",
+    "src/core/lib/iomgr/endpoint_pair_windows.c",
+    "src/core/lib/iomgr/ev_poll_and_epoll_posix.c",
+    "src/core/lib/iomgr/ev_posix.c",
+    "src/core/lib/iomgr/exec_ctx.c",
+    "src/core/lib/iomgr/executor.c",
+    "src/core/lib/iomgr/iocp_windows.c",
+    "src/core/lib/iomgr/iomgr.c",
+    "src/core/lib/iomgr/iomgr_posix.c",
+    "src/core/lib/iomgr/iomgr_windows.c",
+    "src/core/lib/iomgr/pollset_set_windows.c",
+    "src/core/lib/iomgr/pollset_windows.c",
+    "src/core/lib/iomgr/resolve_address_posix.c",
+    "src/core/lib/iomgr/resolve_address_windows.c",
+    "src/core/lib/iomgr/sockaddr_utils.c",
+    "src/core/lib/iomgr/socket_utils_common_posix.c",
+    "src/core/lib/iomgr/socket_utils_linux.c",
+    "src/core/lib/iomgr/socket_utils_posix.c",
+    "src/core/lib/iomgr/socket_windows.c",
+    "src/core/lib/iomgr/tcp_client_posix.c",
+    "src/core/lib/iomgr/tcp_client_windows.c",
+    "src/core/lib/iomgr/tcp_posix.c",
+    "src/core/lib/iomgr/tcp_server_posix.c",
+    "src/core/lib/iomgr/tcp_server_windows.c",
+    "src/core/lib/iomgr/tcp_windows.c",
+    "src/core/lib/iomgr/time_averaged_stats.c",
+    "src/core/lib/iomgr/timer.c",
+    "src/core/lib/iomgr/timer_heap.c",
+    "src/core/lib/iomgr/udp_server.c",
+    "src/core/lib/iomgr/unix_sockets_posix.c",
+    "src/core/lib/iomgr/unix_sockets_posix_noop.c",
+    "src/core/lib/iomgr/wakeup_fd_eventfd.c",
+    "src/core/lib/iomgr/wakeup_fd_nospecial.c",
+    "src/core/lib/iomgr/wakeup_fd_pipe.c",
+    "src/core/lib/iomgr/wakeup_fd_posix.c",
+    "src/core/lib/iomgr/workqueue_posix.c",
+    "src/core/lib/iomgr/workqueue_windows.c",
+    "src/core/lib/json/json.c",
+    "src/core/lib/json/json_reader.c",
+    "src/core/lib/json/json_string.c",
+    "src/core/lib/json/json_writer.c",
+    "src/core/lib/surface/alarm.c",
+    "src/core/lib/surface/api_trace.c",
+    "src/core/lib/surface/byte_buffer.c",
+    "src/core/lib/surface/byte_buffer_reader.c",
+    "src/core/lib/surface/call.c",
+    "src/core/lib/surface/call_details.c",
+    "src/core/lib/surface/call_log_batch.c",
+    "src/core/lib/surface/channel.c",
+    "src/core/lib/surface/channel_init.c",
+    "src/core/lib/surface/channel_ping.c",
+    "src/core/lib/surface/channel_stack_type.c",
+    "src/core/lib/surface/completion_queue.c",
+    "src/core/lib/surface/event_string.c",
+    "src/core/lib/surface/lame_client.c",
+    "src/core/lib/surface/metadata_array.c",
+    "src/core/lib/surface/server.c",
+    "src/core/lib/surface/validate_metadata.c",
+    "src/core/lib/surface/version.c",
+    "src/core/lib/transport/byte_stream.c",
+    "src/core/lib/transport/connectivity_state.c",
+    "src/core/lib/transport/metadata.c",
+    "src/core/lib/transport/metadata_batch.c",
+    "src/core/lib/transport/static_metadata.c",
+    "src/core/lib/transport/transport.c",
+    "src/core/lib/transport/transport_op_string.c",
+    "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_plugin.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
+    "src/core/ext/transport/chttp2/transport/frame_data.c",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.c",
+    "src/core/ext/transport/chttp2/transport/frame_ping.c",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
+    "src/core/ext/transport/chttp2/transport/frame_settings.c",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.c",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.c",
+    "src/core/ext/transport/chttp2/transport/hpack_table.c",
+    "src/core/ext/transport/chttp2/transport/huffsyms.c",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.c",
+    "src/core/ext/transport/chttp2/transport/parsing.c",
+    "src/core/ext/transport/chttp2/transport/status_conversion.c",
+    "src/core/ext/transport/chttp2/transport/stream_lists.c",
+    "src/core/ext/transport/chttp2/transport/stream_map.c",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.c",
+    "src/core/ext/transport/chttp2/transport/varint.c",
+    "src/core/ext/transport/chttp2/transport/writing.c",
+    "src/core/ext/transport/chttp2/alpn/alpn.c",
+    "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
+    "src/core/ext/client_config/channel_connectivity.c",
+    "src/core/ext/client_config/client_channel.c",
+    "src/core/ext/client_config/client_channel_factory.c",
+    "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
+    "src/core/ext/client_config/connector.c",
+    "src/core/ext/client_config/default_initial_connect_string.c",
+    "src/core/ext/client_config/initial_connect_string.c",
+    "src/core/ext/client_config/lb_policy.c",
+    "src/core/ext/client_config/lb_policy_factory.c",
+    "src/core/ext/client_config/lb_policy_registry.c",
+    "src/core/ext/client_config/parse_address.c",
+    "src/core/ext/client_config/resolver.c",
+    "src/core/ext/client_config/resolver_factory.c",
+    "src/core/ext/client_config/resolver_registry.c",
+    "src/core/ext/client_config/subchannel.c",
+    "src/core/ext/client_config/subchannel_call_holder.c",
+    "src/core/ext/client_config/subchannel_index.c",
+    "src/core/ext/client_config/uri_parser.c",
+    "src/core/ext/resolver/dns/native/dns_resolver.c",
+    "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c",
+    "src/core/ext/lb_policy/pick_first/pick_first.c",
+    "src/core/ext/lb_policy/round_robin/round_robin.c",
+    "src/core/ext/census/context.c",
+    "src/core/ext/census/grpc_context.c",
+    "src/core/ext/census/grpc_filter.c",
+    "src/core/ext/census/grpc_plugin.c",
+    "src/core/ext/census/initialize.c",
+    "src/core/ext/census/mlog.c",
+    "src/core/ext/census/operation.c",
+    "src/core/ext/census/placeholders.c",
+    "src/core/ext/census/tracing.c",
+    "src/core/plugin_registry/grpc_unsecure_plugin_registry.c",
   ],
   hdrs = [
     "include/grpc/byte_buffer.h",
@@ -798,6 +777,20 @@ cc_library(
     "include/grpc/impl/codegen/grpc_types.h",
     "include/grpc/impl/codegen/propagation_bits.h",
     "include/grpc/impl/codegen/status.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
     "include/grpc/census.h",
   ],
   includes = [
@@ -806,6 +799,7 @@ cc_library(
   ],
   deps = [
     ":gpr",
+    "//external:nanopb",
   ],
   copts = [
     "-std=gnu99",
@@ -813,11 +807,11 @@ cc_library(
 )
 
 
+
 cc_library(
   name = "grpc_zookeeper",
   srcs = [
-    "src/core/client_config/resolvers/zookeeper_resolver.h",
-    "src/core/client_config/resolvers/zookeeper_resolver.c",
+    "src/core/ext/resolver/zookeeper/zookeeper_resolver.c",
   ],
   hdrs = [
     "include/grpc/grpc_zookeeper.h",
@@ -833,6 +827,7 @@ cc_library(
 )
 
 
+
 cc_library(
   name = "grpc++",
   srcs = [
@@ -841,8 +836,6 @@ cc_library(
     "src/cpp/common/secure_auth_context.h",
     "src/cpp/server/secure_server_credentials.h",
     "src/cpp/client/create_channel_internal.h",
-    "src/cpp/common/core_codegen.h",
-    "src/cpp/common/create_auth_context.h",
     "src/cpp/server/dynamic_thread_pool.h",
     "src/cpp/server/thread_pool_interface.h",
     "src/cpp/client/secure_credentials.cc",
@@ -913,8 +906,6 @@ cc_library(
     "include/grpc++/support/async_unary_call.h",
     "include/grpc++/support/byte_buffer.h",
     "include/grpc++/support/channel_arguments.h",
-    "include/grpc++/support/config.h",
-    "include/grpc++/support/config_protobuf.h",
     "include/grpc++/support/slice.h",
     "include/grpc++/support/status.h",
     "include/grpc++/support/status_code_enum.h",
@@ -931,9 +922,8 @@ cc_library(
     "include/grpc++/impl/codegen/client_unary_call.h",
     "include/grpc++/impl/codegen/completion_queue.h",
     "include/grpc++/impl/codegen/completion_queue_tag.h",
-    "include/grpc++/impl/codegen/config.h",
-    "include/grpc++/impl/codegen/config_protobuf.h",
     "include/grpc++/impl/codegen/core_codegen_interface.h",
+    "include/grpc++/impl/codegen/create_auth_context.h",
     "include/grpc++/impl/codegen/grpc_library.h",
     "include/grpc++/impl/codegen/method_handler_impl.h",
     "include/grpc++/impl/codegen/proto_utils.h",
@@ -953,25 +943,12 @@ cc_library(
     "include/grpc++/impl/codegen/sync_no_cxx11.h",
     "include/grpc++/impl/codegen/sync_stream.h",
     "include/grpc++/impl/codegen/time.h",
-  ],
-  includes = [
-    "include",
-    ".",
-  ],
-  deps = [
-    "//external:libssl",
-    "//external:protobuf_clib",
-    ":grpc",
-  ],
-)
-
-
-cc_library(
-  name = "grpc++_codegen_lib",
-  srcs = [
-    "src/cpp/codegen/codegen_init.cc",
-  ],
-  hdrs = [
+    "include/grpc/impl/codegen/byte_buffer.h",
+    "include/grpc/impl/codegen/compression_types.h",
+    "include/grpc/impl/codegen/connectivity_state.h",
+    "include/grpc/impl/codegen/grpc_types.h",
+    "include/grpc/impl/codegen/propagation_bits.h",
+    "include/grpc/impl/codegen/status.h",
     "include/grpc/impl/codegen/alloc.h",
     "include/grpc/impl/codegen/atm.h",
     "include/grpc/impl/codegen/atm_gcc_atomic.h",
@@ -986,60 +963,29 @@ cc_library(
     "include/grpc/impl/codegen/sync_posix.h",
     "include/grpc/impl/codegen/sync_win32.h",
     "include/grpc/impl/codegen/time.h",
-    "include/grpc/impl/codegen/byte_buffer.h",
-    "include/grpc/impl/codegen/compression_types.h",
-    "include/grpc/impl/codegen/connectivity_state.h",
-    "include/grpc/impl/codegen/grpc_types.h",
-    "include/grpc/impl/codegen/propagation_bits.h",
-    "include/grpc/impl/codegen/status.h",
-    "include/grpc++/impl/codegen/async_stream.h",
-    "include/grpc++/impl/codegen/async_unary_call.h",
-    "include/grpc++/impl/codegen/call.h",
-    "include/grpc++/impl/codegen/call_hook.h",
-    "include/grpc++/impl/codegen/channel_interface.h",
-    "include/grpc++/impl/codegen/client_context.h",
-    "include/grpc++/impl/codegen/client_unary_call.h",
-    "include/grpc++/impl/codegen/completion_queue.h",
-    "include/grpc++/impl/codegen/completion_queue_tag.h",
     "include/grpc++/impl/codegen/config.h",
     "include/grpc++/impl/codegen/config_protobuf.h",
-    "include/grpc++/impl/codegen/core_codegen_interface.h",
-    "include/grpc++/impl/codegen/grpc_library.h",
-    "include/grpc++/impl/codegen/method_handler_impl.h",
-    "include/grpc++/impl/codegen/proto_utils.h",
-    "include/grpc++/impl/codegen/rpc_method.h",
-    "include/grpc++/impl/codegen/rpc_service_method.h",
-    "include/grpc++/impl/codegen/security/auth_context.h",
-    "include/grpc++/impl/codegen/serialization_traits.h",
-    "include/grpc++/impl/codegen/server_context.h",
-    "include/grpc++/impl/codegen/server_interface.h",
-    "include/grpc++/impl/codegen/service_type.h",
-    "include/grpc++/impl/codegen/status.h",
-    "include/grpc++/impl/codegen/status_code_enum.h",
-    "include/grpc++/impl/codegen/string_ref.h",
-    "include/grpc++/impl/codegen/stub_options.h",
-    "include/grpc++/impl/codegen/sync.h",
-    "include/grpc++/impl/codegen/sync_cxx11.h",
-    "include/grpc++/impl/codegen/sync_no_cxx11.h",
-    "include/grpc++/impl/codegen/sync_stream.h",
-    "include/grpc++/impl/codegen/time.h",
+    "include/grpc++/support/config.h",
+    "include/grpc++/support/config_protobuf.h",
   ],
   includes = [
     "include",
     ".",
   ],
   deps = [
-    "//external:protobuf_compiler",
+    "//external:libssl",
+    "//external:protobuf_clib",
+    ":grpc",
   ],
 )
 
 
+
 cc_library(
   name = "grpc++_unsecure",
   srcs = [
     "src/cpp/client/create_channel_internal.h",
     "src/cpp/common/core_codegen.h",
-    "src/cpp/common/create_auth_context.h",
     "src/cpp/server/dynamic_thread_pool.h",
     "src/cpp/server/thread_pool_interface.h",
     "src/cpp/common/insecure_create_auth_context.cc",
@@ -1105,8 +1051,6 @@ cc_library(
     "include/grpc++/support/async_unary_call.h",
     "include/grpc++/support/byte_buffer.h",
     "include/grpc++/support/channel_arguments.h",
-    "include/grpc++/support/config.h",
-    "include/grpc++/support/config_protobuf.h",
     "include/grpc++/support/slice.h",
     "include/grpc++/support/status.h",
     "include/grpc++/support/status_code_enum.h",
@@ -1123,9 +1067,8 @@ cc_library(
     "include/grpc++/impl/codegen/client_unary_call.h",
     "include/grpc++/impl/codegen/completion_queue.h",
     "include/grpc++/impl/codegen/completion_queue_tag.h",
-    "include/grpc++/impl/codegen/config.h",
-    "include/grpc++/impl/codegen/config_protobuf.h",
     "include/grpc++/impl/codegen/core_codegen_interface.h",
+    "include/grpc++/impl/codegen/create_auth_context.h",
     "include/grpc++/impl/codegen/grpc_library.h",
     "include/grpc++/impl/codegen/method_handler_impl.h",
     "include/grpc++/impl/codegen/proto_utils.h",
@@ -1145,6 +1088,30 @@ cc_library(
     "include/grpc++/impl/codegen/sync_no_cxx11.h",
     "include/grpc++/impl/codegen/sync_stream.h",
     "include/grpc++/impl/codegen/time.h",
+    "include/grpc/impl/codegen/byte_buffer.h",
+    "include/grpc/impl/codegen/compression_types.h",
+    "include/grpc/impl/codegen/connectivity_state.h",
+    "include/grpc/impl/codegen/grpc_types.h",
+    "include/grpc/impl/codegen/propagation_bits.h",
+    "include/grpc/impl/codegen/status.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
+    "include/grpc++/impl/codegen/config.h",
+    "include/grpc++/impl/codegen/config_protobuf.h",
+    "include/grpc++/support/config.h",
+    "include/grpc++/support/config_protobuf.h",
   ],
   includes = [
     "include",
@@ -1154,21 +1121,23 @@ cc_library(
     "//external:protobuf_clib",
     ":gpr",
     ":grpc_unsecure",
+    ":grpc",
   ],
 )
 
 
+
 cc_library(
   name = "grpc_plugin_support",
   srcs = [
-    "include/grpc++/support/config.h",
-    "include/grpc++/support/config_protobuf.h",
     "src/compiler/config.h",
     "src/compiler/cpp_generator.h",
     "src/compiler/cpp_generator_helpers.h",
     "src/compiler/csharp_generator.h",
     "src/compiler/csharp_generator_helpers.h",
     "src/compiler/generator_helpers.h",
+    "src/compiler/node_generator.h",
+    "src/compiler/node_generator_helpers.h",
     "src/compiler/objective_c_generator.h",
     "src/compiler/objective_c_generator_helpers.h",
     "src/compiler/python_generator.h",
@@ -1178,25 +1147,16 @@ cc_library(
     "src/compiler/ruby_generator_string-inl.h",
     "src/compiler/cpp_generator.cc",
     "src/compiler/csharp_generator.cc",
+    "src/compiler/node_generator.cc",
     "src/compiler/objective_c_generator.cc",
     "src/compiler/python_generator.cc",
     "src/compiler/ruby_generator.cc",
   ],
   hdrs = [
-    "include/grpc/impl/codegen/alloc.h",
-    "include/grpc/impl/codegen/atm.h",
-    "include/grpc/impl/codegen/atm_gcc_atomic.h",
-    "include/grpc/impl/codegen/atm_gcc_sync.h",
-    "include/grpc/impl/codegen/atm_win32.h",
-    "include/grpc/impl/codegen/log.h",
-    "include/grpc/impl/codegen/port_platform.h",
-    "include/grpc/impl/codegen/slice.h",
-    "include/grpc/impl/codegen/slice_buffer.h",
-    "include/grpc/impl/codegen/sync.h",
-    "include/grpc/impl/codegen/sync_generic.h",
-    "include/grpc/impl/codegen/sync_posix.h",
-    "include/grpc/impl/codegen/sync_win32.h",
-    "include/grpc/impl/codegen/time.h",
+    "include/grpc++/support/config.h",
+    "include/grpc++/support/config_protobuf.h",
+    "include/grpc++/impl/codegen/config.h",
+    "include/grpc++/impl/codegen/config_protobuf.h",
   ],
   includes = [
     "include",
@@ -1204,11 +1164,11 @@ cc_library(
   ],
   deps = [
     "//external:protobuf_compiler",
-    ":grpc++_codegen_lib",
   ],
 )
 
 
+
 cc_library(
   name = "grpc_csharp_ext",
   srcs = [
@@ -1228,53 +1188,54 @@ cc_library(
 
 
 
+
 objc_library(
   name = "gpr_objc",
   srcs = [
-    "src/core/profiling/basic_timers.c",
-    "src/core/profiling/stap_timers.c",
-    "src/core/support/alloc.c",
-    "src/core/support/avl.c",
-    "src/core/support/backoff.c",
-    "src/core/support/cmdline.c",
-    "src/core/support/cpu_iphone.c",
-    "src/core/support/cpu_linux.c",
-    "src/core/support/cpu_posix.c",
-    "src/core/support/cpu_windows.c",
-    "src/core/support/env_linux.c",
-    "src/core/support/env_posix.c",
-    "src/core/support/env_win32.c",
-    "src/core/support/histogram.c",
-    "src/core/support/host_port.c",
-    "src/core/support/load_file.c",
-    "src/core/support/log.c",
-    "src/core/support/log_android.c",
-    "src/core/support/log_linux.c",
-    "src/core/support/log_posix.c",
-    "src/core/support/log_win32.c",
-    "src/core/support/murmur_hash.c",
-    "src/core/support/slice.c",
-    "src/core/support/slice_buffer.c",
-    "src/core/support/stack_lockfree.c",
-    "src/core/support/string.c",
-    "src/core/support/string_posix.c",
-    "src/core/support/string_win32.c",
-    "src/core/support/subprocess_posix.c",
-    "src/core/support/subprocess_windows.c",
-    "src/core/support/sync.c",
-    "src/core/support/sync_posix.c",
-    "src/core/support/sync_win32.c",
-    "src/core/support/thd.c",
-    "src/core/support/thd_posix.c",
-    "src/core/support/thd_win32.c",
-    "src/core/support/time.c",
-    "src/core/support/time_posix.c",
-    "src/core/support/time_precise.c",
-    "src/core/support/time_win32.c",
-    "src/core/support/tls_pthread.c",
-    "src/core/support/tmpfile_posix.c",
-    "src/core/support/tmpfile_win32.c",
-    "src/core/support/wrap_memcpy.c",
+    "src/core/lib/profiling/basic_timers.c",
+    "src/core/lib/profiling/stap_timers.c",
+    "src/core/lib/support/alloc.c",
+    "src/core/lib/support/avl.c",
+    "src/core/lib/support/backoff.c",
+    "src/core/lib/support/cmdline.c",
+    "src/core/lib/support/cpu_iphone.c",
+    "src/core/lib/support/cpu_linux.c",
+    "src/core/lib/support/cpu_posix.c",
+    "src/core/lib/support/cpu_windows.c",
+    "src/core/lib/support/env_linux.c",
+    "src/core/lib/support/env_posix.c",
+    "src/core/lib/support/env_win32.c",
+    "src/core/lib/support/histogram.c",
+    "src/core/lib/support/host_port.c",
+    "src/core/lib/support/load_file.c",
+    "src/core/lib/support/log.c",
+    "src/core/lib/support/log_android.c",
+    "src/core/lib/support/log_linux.c",
+    "src/core/lib/support/log_posix.c",
+    "src/core/lib/support/log_win32.c",
+    "src/core/lib/support/murmur_hash.c",
+    "src/core/lib/support/slice.c",
+    "src/core/lib/support/slice_buffer.c",
+    "src/core/lib/support/stack_lockfree.c",
+    "src/core/lib/support/string.c",
+    "src/core/lib/support/string_posix.c",
+    "src/core/lib/support/string_win32.c",
+    "src/core/lib/support/subprocess_posix.c",
+    "src/core/lib/support/subprocess_windows.c",
+    "src/core/lib/support/sync.c",
+    "src/core/lib/support/sync_posix.c",
+    "src/core/lib/support/sync_win32.c",
+    "src/core/lib/support/thd.c",
+    "src/core/lib/support/thd_posix.c",
+    "src/core/lib/support/thd_win32.c",
+    "src/core/lib/support/time.c",
+    "src/core/lib/support/time_posix.c",
+    "src/core/lib/support/time_precise.c",
+    "src/core/lib/support/time_win32.c",
+    "src/core/lib/support/tls_pthread.c",
+    "src/core/lib/support/tmpfile_posix.c",
+    "src/core/lib/support/tmpfile_win32.c",
+    "src/core/lib/support/wrap_memcpy.c",
   ],
   hdrs = [
     "include/grpc/support/alloc.h",
@@ -1319,18 +1280,18 @@ objc_library(
     "include/grpc/impl/codegen/sync_posix.h",
     "include/grpc/impl/codegen/sync_win32.h",
     "include/grpc/impl/codegen/time.h",
-    "src/core/profiling/timers.h",
-    "src/core/support/backoff.h",
-    "src/core/support/block_annotate.h",
-    "src/core/support/env.h",
-    "src/core/support/load_file.h",
-    "src/core/support/murmur_hash.h",
-    "src/core/support/stack_lockfree.h",
-    "src/core/support/string.h",
-    "src/core/support/string_win32.h",
-    "src/core/support/thd_internal.h",
-    "src/core/support/time_precise.h",
-    "src/core/support/tmpfile.h",
+    "src/core/lib/profiling/timers.h",
+    "src/core/lib/support/backoff.h",
+    "src/core/lib/support/block_annotate.h",
+    "src/core/lib/support/env.h",
+    "src/core/lib/support/load_file.h",
+    "src/core/lib/support/murmur_hash.h",
+    "src/core/lib/support/stack_lockfree.h",
+    "src/core/lib/support/string.h",
+    "src/core/lib/support/string_win32.h",
+    "src/core/lib/support/thd_internal.h",
+    "src/core/lib/support/time_precise.h",
+    "src/core/lib/support/tmpfile.h",
   ],
   includes = [
     "include",
@@ -1341,172 +1302,174 @@ objc_library(
 )
 
 
+
 objc_library(
   name = "grpc_objc",
   srcs = [
-    "src/core/census/grpc_context.c",
-    "src/core/census/grpc_filter.c",
-    "src/core/channel/channel_args.c",
-    "src/core/channel/channel_stack.c",
-    "src/core/channel/client_channel.c",
-    "src/core/channel/client_uchannel.c",
-    "src/core/channel/compress_filter.c",
-    "src/core/channel/connected_channel.c",
-    "src/core/channel/http_client_filter.c",
-    "src/core/channel/http_server_filter.c",
-    "src/core/channel/subchannel_call_holder.c",
-    "src/core/client_config/client_config.c",
-    "src/core/client_config/connector.c",
-    "src/core/client_config/default_initial_connect_string.c",
-    "src/core/client_config/initial_connect_string.c",
-    "src/core/client_config/lb_policies/load_balancer_api.c",
-    "src/core/client_config/lb_policies/pick_first.c",
-    "src/core/client_config/lb_policies/round_robin.c",
-    "src/core/client_config/lb_policy.c",
-    "src/core/client_config/lb_policy_factory.c",
-    "src/core/client_config/lb_policy_registry.c",
-    "src/core/client_config/resolver.c",
-    "src/core/client_config/resolver_factory.c",
-    "src/core/client_config/resolver_registry.c",
-    "src/core/client_config/resolvers/dns_resolver.c",
-    "src/core/client_config/resolvers/sockaddr_resolver.c",
-    "src/core/client_config/subchannel.c",
-    "src/core/client_config/subchannel_factory.c",
-    "src/core/client_config/subchannel_index.c",
-    "src/core/client_config/uri_parser.c",
-    "src/core/compression/compression_algorithm.c",
-    "src/core/compression/message_compress.c",
-    "src/core/debug/trace.c",
-    "src/core/httpcli/format_request.c",
-    "src/core/httpcli/httpcli.c",
-    "src/core/httpcli/parser.c",
-    "src/core/iomgr/closure.c",
-    "src/core/iomgr/endpoint.c",
-    "src/core/iomgr/endpoint_pair_posix.c",
-    "src/core/iomgr/endpoint_pair_windows.c",
-    "src/core/iomgr/exec_ctx.c",
-    "src/core/iomgr/executor.c",
-    "src/core/iomgr/fd_posix.c",
-    "src/core/iomgr/iocp_windows.c",
-    "src/core/iomgr/iomgr.c",
-    "src/core/iomgr/iomgr_posix.c",
-    "src/core/iomgr/iomgr_windows.c",
-    "src/core/iomgr/pollset_multipoller_with_epoll.c",
-    "src/core/iomgr/pollset_multipoller_with_poll_posix.c",
-    "src/core/iomgr/pollset_posix.c",
-    "src/core/iomgr/pollset_set_posix.c",
-    "src/core/iomgr/pollset_set_windows.c",
-    "src/core/iomgr/pollset_windows.c",
-    "src/core/iomgr/resolve_address_posix.c",
-    "src/core/iomgr/resolve_address_windows.c",
-    "src/core/iomgr/sockaddr_utils.c",
-    "src/core/iomgr/socket_utils_common_posix.c",
-    "src/core/iomgr/socket_utils_linux.c",
-    "src/core/iomgr/socket_utils_posix.c",
-    "src/core/iomgr/socket_windows.c",
-    "src/core/iomgr/tcp_client_posix.c",
-    "src/core/iomgr/tcp_client_windows.c",
-    "src/core/iomgr/tcp_posix.c",
-    "src/core/iomgr/tcp_server_posix.c",
-    "src/core/iomgr/tcp_server_windows.c",
-    "src/core/iomgr/tcp_windows.c",
-    "src/core/iomgr/time_averaged_stats.c",
-    "src/core/iomgr/timer.c",
-    "src/core/iomgr/timer_heap.c",
-    "src/core/iomgr/udp_server.c",
-    "src/core/iomgr/wakeup_fd_eventfd.c",
-    "src/core/iomgr/wakeup_fd_nospecial.c",
-    "src/core/iomgr/wakeup_fd_pipe.c",
-    "src/core/iomgr/wakeup_fd_posix.c",
-    "src/core/iomgr/workqueue_posix.c",
-    "src/core/iomgr/workqueue_windows.c",
-    "src/core/json/json.c",
-    "src/core/json/json_reader.c",
-    "src/core/json/json_string.c",
-    "src/core/json/json_writer.c",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.c",
-    "src/core/surface/alarm.c",
-    "src/core/surface/api_trace.c",
-    "src/core/surface/byte_buffer.c",
-    "src/core/surface/byte_buffer_reader.c",
-    "src/core/surface/call.c",
-    "src/core/surface/call_details.c",
-    "src/core/surface/call_log_batch.c",
-    "src/core/surface/channel.c",
-    "src/core/surface/channel_connectivity.c",
-    "src/core/surface/channel_create.c",
-    "src/core/surface/channel_ping.c",
-    "src/core/surface/completion_queue.c",
-    "src/core/surface/event_string.c",
-    "src/core/surface/init.c",
-    "src/core/surface/lame_client.c",
-    "src/core/surface/metadata_array.c",
-    "src/core/surface/server.c",
-    "src/core/surface/server_chttp2.c",
-    "src/core/surface/server_create.c",
-    "src/core/surface/validate_metadata.c",
-    "src/core/surface/version.c",
-    "src/core/transport/byte_stream.c",
-    "src/core/transport/chttp2/alpn.c",
-    "src/core/transport/chttp2/bin_encoder.c",
-    "src/core/transport/chttp2/frame_data.c",
-    "src/core/transport/chttp2/frame_goaway.c",
-    "src/core/transport/chttp2/frame_ping.c",
-    "src/core/transport/chttp2/frame_rst_stream.c",
-    "src/core/transport/chttp2/frame_settings.c",
-    "src/core/transport/chttp2/frame_window_update.c",
-    "src/core/transport/chttp2/hpack_encoder.c",
-    "src/core/transport/chttp2/hpack_parser.c",
-    "src/core/transport/chttp2/hpack_table.c",
-    "src/core/transport/chttp2/huffsyms.c",
-    "src/core/transport/chttp2/incoming_metadata.c",
-    "src/core/transport/chttp2/parsing.c",
-    "src/core/transport/chttp2/status_conversion.c",
-    "src/core/transport/chttp2/stream_lists.c",
-    "src/core/transport/chttp2/stream_map.c",
-    "src/core/transport/chttp2/timeout_encoding.c",
-    "src/core/transport/chttp2/varint.c",
-    "src/core/transport/chttp2/writing.c",
-    "src/core/transport/chttp2_transport.c",
-    "src/core/transport/connectivity_state.c",
-    "src/core/transport/metadata.c",
-    "src/core/transport/metadata_batch.c",
-    "src/core/transport/static_metadata.c",
-    "src/core/transport/transport.c",
-    "src/core/transport/transport_op_string.c",
-    "src/core/httpcli/httpcli_security_connector.c",
-    "src/core/security/b64.c",
-    "src/core/security/client_auth_filter.c",
-    "src/core/security/credentials.c",
-    "src/core/security/credentials_metadata.c",
-    "src/core/security/credentials_posix.c",
-    "src/core/security/credentials_win32.c",
-    "src/core/security/google_default_credentials.c",
-    "src/core/security/handshake.c",
-    "src/core/security/json_token.c",
-    "src/core/security/jwt_verifier.c",
-    "src/core/security/secure_endpoint.c",
-    "src/core/security/security_connector.c",
-    "src/core/security/security_context.c",
-    "src/core/security/server_auth_filter.c",
-    "src/core/security/server_secure_chttp2.c",
-    "src/core/surface/init_secure.c",
-    "src/core/surface/secure_channel_create.c",
-    "src/core/tsi/fake_transport_security.c",
-    "src/core/tsi/ssl_transport_security.c",
-    "src/core/tsi/transport_security.c",
-    "src/core/census/context.c",
-    "src/core/census/initialize.c",
-    "src/core/census/mlog.c",
-    "src/core/census/operation.c",
-    "src/core/census/placeholders.c",
-    "src/core/census/tracing.c",
-    "third_party/nanopb/pb_common.c",
-    "third_party/nanopb/pb_decode.c",
-    "third_party/nanopb/pb_encode.c",
+    "src/core/lib/surface/init.c",
+    "src/core/lib/channel/channel_args.c",
+    "src/core/lib/channel/channel_stack.c",
+    "src/core/lib/channel/channel_stack_builder.c",
+    "src/core/lib/channel/compress_filter.c",
+    "src/core/lib/channel/connected_channel.c",
+    "src/core/lib/channel/http_client_filter.c",
+    "src/core/lib/channel/http_server_filter.c",
+    "src/core/lib/compression/compression_algorithm.c",
+    "src/core/lib/compression/message_compress.c",
+    "src/core/lib/debug/trace.c",
+    "src/core/lib/http/format_request.c",
+    "src/core/lib/http/httpcli.c",
+    "src/core/lib/http/parser.c",
+    "src/core/lib/iomgr/closure.c",
+    "src/core/lib/iomgr/endpoint.c",
+    "src/core/lib/iomgr/endpoint_pair_posix.c",
+    "src/core/lib/iomgr/endpoint_pair_windows.c",
+    "src/core/lib/iomgr/ev_poll_and_epoll_posix.c",
+    "src/core/lib/iomgr/ev_posix.c",
+    "src/core/lib/iomgr/exec_ctx.c",
+    "src/core/lib/iomgr/executor.c",
+    "src/core/lib/iomgr/iocp_windows.c",
+    "src/core/lib/iomgr/iomgr.c",
+    "src/core/lib/iomgr/iomgr_posix.c",
+    "src/core/lib/iomgr/iomgr_windows.c",
+    "src/core/lib/iomgr/pollset_set_windows.c",
+    "src/core/lib/iomgr/pollset_windows.c",
+    "src/core/lib/iomgr/resolve_address_posix.c",
+    "src/core/lib/iomgr/resolve_address_windows.c",
+    "src/core/lib/iomgr/sockaddr_utils.c",
+    "src/core/lib/iomgr/socket_utils_common_posix.c",
+    "src/core/lib/iomgr/socket_utils_linux.c",
+    "src/core/lib/iomgr/socket_utils_posix.c",
+    "src/core/lib/iomgr/socket_windows.c",
+    "src/core/lib/iomgr/tcp_client_posix.c",
+    "src/core/lib/iomgr/tcp_client_windows.c",
+    "src/core/lib/iomgr/tcp_posix.c",
+    "src/core/lib/iomgr/tcp_server_posix.c",
+    "src/core/lib/iomgr/tcp_server_windows.c",
+    "src/core/lib/iomgr/tcp_windows.c",
+    "src/core/lib/iomgr/time_averaged_stats.c",
+    "src/core/lib/iomgr/timer.c",
+    "src/core/lib/iomgr/timer_heap.c",
+    "src/core/lib/iomgr/udp_server.c",
+    "src/core/lib/iomgr/unix_sockets_posix.c",
+    "src/core/lib/iomgr/unix_sockets_posix_noop.c",
+    "src/core/lib/iomgr/wakeup_fd_eventfd.c",
+    "src/core/lib/iomgr/wakeup_fd_nospecial.c",
+    "src/core/lib/iomgr/wakeup_fd_pipe.c",
+    "src/core/lib/iomgr/wakeup_fd_posix.c",
+    "src/core/lib/iomgr/workqueue_posix.c",
+    "src/core/lib/iomgr/workqueue_windows.c",
+    "src/core/lib/json/json.c",
+    "src/core/lib/json/json_reader.c",
+    "src/core/lib/json/json_string.c",
+    "src/core/lib/json/json_writer.c",
+    "src/core/lib/surface/alarm.c",
+    "src/core/lib/surface/api_trace.c",
+    "src/core/lib/surface/byte_buffer.c",
+    "src/core/lib/surface/byte_buffer_reader.c",
+    "src/core/lib/surface/call.c",
+    "src/core/lib/surface/call_details.c",
+    "src/core/lib/surface/call_log_batch.c",
+    "src/core/lib/surface/channel.c",
+    "src/core/lib/surface/channel_init.c",
+    "src/core/lib/surface/channel_ping.c",
+    "src/core/lib/surface/channel_stack_type.c",
+    "src/core/lib/surface/completion_queue.c",
+    "src/core/lib/surface/event_string.c",
+    "src/core/lib/surface/lame_client.c",
+    "src/core/lib/surface/metadata_array.c",
+    "src/core/lib/surface/server.c",
+    "src/core/lib/surface/validate_metadata.c",
+    "src/core/lib/surface/version.c",
+    "src/core/lib/transport/byte_stream.c",
+    "src/core/lib/transport/connectivity_state.c",
+    "src/core/lib/transport/metadata.c",
+    "src/core/lib/transport/metadata_batch.c",
+    "src/core/lib/transport/static_metadata.c",
+    "src/core/lib/transport/transport.c",
+    "src/core/lib/transport/transport_op_string.c",
+    "src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_plugin.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
+    "src/core/ext/transport/chttp2/transport/frame_data.c",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.c",
+    "src/core/ext/transport/chttp2/transport/frame_ping.c",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
+    "src/core/ext/transport/chttp2/transport/frame_settings.c",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.c",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.c",
+    "src/core/ext/transport/chttp2/transport/hpack_table.c",
+    "src/core/ext/transport/chttp2/transport/huffsyms.c",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.c",
+    "src/core/ext/transport/chttp2/transport/parsing.c",
+    "src/core/ext/transport/chttp2/transport/status_conversion.c",
+    "src/core/ext/transport/chttp2/transport/stream_lists.c",
+    "src/core/ext/transport/chttp2/transport/stream_map.c",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.c",
+    "src/core/ext/transport/chttp2/transport/varint.c",
+    "src/core/ext/transport/chttp2/transport/writing.c",
+    "src/core/ext/transport/chttp2/alpn/alpn.c",
+    "src/core/lib/http/httpcli_security_connector.c",
+    "src/core/lib/security/b64.c",
+    "src/core/lib/security/client_auth_filter.c",
+    "src/core/lib/security/credentials.c",
+    "src/core/lib/security/credentials_metadata.c",
+    "src/core/lib/security/credentials_posix.c",
+    "src/core/lib/security/credentials_win32.c",
+    "src/core/lib/security/google_default_credentials.c",
+    "src/core/lib/security/handshake.c",
+    "src/core/lib/security/json_token.c",
+    "src/core/lib/security/jwt_verifier.c",
+    "src/core/lib/security/secure_endpoint.c",
+    "src/core/lib/security/security_connector.c",
+    "src/core/lib/security/security_context.c",
+    "src/core/lib/security/server_auth_filter.c",
+    "src/core/lib/surface/init_secure.c",
+    "src/core/lib/tsi/fake_transport_security.c",
+    "src/core/lib/tsi/ssl_transport_security.c",
+    "src/core/lib/tsi/transport_security.c",
+    "src/core/ext/transport/chttp2/client/secure/secure_channel_create.c",
+    "src/core/ext/client_config/channel_connectivity.c",
+    "src/core/ext/client_config/client_channel.c",
+    "src/core/ext/client_config/client_channel_factory.c",
+    "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
+    "src/core/ext/client_config/connector.c",
+    "src/core/ext/client_config/default_initial_connect_string.c",
+    "src/core/ext/client_config/initial_connect_string.c",
+    "src/core/ext/client_config/lb_policy.c",
+    "src/core/ext/client_config/lb_policy_factory.c",
+    "src/core/ext/client_config/lb_policy_registry.c",
+    "src/core/ext/client_config/parse_address.c",
+    "src/core/ext/client_config/resolver.c",
+    "src/core/ext/client_config/resolver_factory.c",
+    "src/core/ext/client_config/resolver_registry.c",
+    "src/core/ext/client_config/subchannel.c",
+    "src/core/ext/client_config/subchannel_call_holder.c",
+    "src/core/ext/client_config/subchannel_index.c",
+    "src/core/ext/client_config/uri_parser.c",
+    "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
+    "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c",
+    "src/core/ext/lb_policy/pick_first/pick_first.c",
+    "src/core/ext/lb_policy/round_robin/round_robin.c",
+    "src/core/ext/resolver/dns/native/dns_resolver.c",
+    "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
+    "src/core/ext/census/context.c",
+    "src/core/ext/census/grpc_context.c",
+    "src/core/ext/census/grpc_filter.c",
+    "src/core/ext/census/grpc_plugin.c",
+    "src/core/ext/census/initialize.c",
+    "src/core/ext/census/mlog.c",
+    "src/core/ext/census/operation.c",
+    "src/core/ext/census/placeholders.c",
+    "src/core/ext/census/tracing.c",
+    "src/core/plugin_registry/grpc_plugin_registry.c",
   ],
   hdrs = [
-    "include/grpc/grpc_security.h",
     "include/grpc/byte_buffer.h",
     "include/grpc/byte_buffer_reader.h",
     "include/grpc/compression.h",
@@ -1518,143 +1481,155 @@ objc_library(
     "include/grpc/impl/codegen/grpc_types.h",
     "include/grpc/impl/codegen/propagation_bits.h",
     "include/grpc/impl/codegen/status.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
+    "include/grpc/grpc_security.h",
+    "include/grpc/grpc_security_constants.h",
     "include/grpc/census.h",
-    "src/core/census/grpc_filter.h",
-    "src/core/channel/channel_args.h",
-    "src/core/channel/channel_stack.h",
-    "src/core/channel/client_channel.h",
-    "src/core/channel/client_uchannel.h",
-    "src/core/channel/compress_filter.h",
-    "src/core/channel/connected_channel.h",
-    "src/core/channel/context.h",
-    "src/core/channel/http_client_filter.h",
-    "src/core/channel/http_server_filter.h",
-    "src/core/channel/subchannel_call_holder.h",
-    "src/core/client_config/client_config.h",
-    "src/core/client_config/connector.h",
-    "src/core/client_config/initial_connect_string.h",
-    "src/core/client_config/lb_policies/load_balancer_api.h",
-    "src/core/client_config/lb_policies/pick_first.h",
-    "src/core/client_config/lb_policies/round_robin.h",
-    "src/core/client_config/lb_policy.h",
-    "src/core/client_config/lb_policy_factory.h",
-    "src/core/client_config/lb_policy_registry.h",
-    "src/core/client_config/resolver.h",
-    "src/core/client_config/resolver_factory.h",
-    "src/core/client_config/resolver_registry.h",
-    "src/core/client_config/resolvers/dns_resolver.h",
-    "src/core/client_config/resolvers/sockaddr_resolver.h",
-    "src/core/client_config/subchannel.h",
-    "src/core/client_config/subchannel_factory.h",
-    "src/core/client_config/subchannel_index.h",
-    "src/core/client_config/uri_parser.h",
-    "src/core/compression/algorithm_metadata.h",
-    "src/core/compression/message_compress.h",
-    "src/core/debug/trace.h",
-    "src/core/httpcli/format_request.h",
-    "src/core/httpcli/httpcli.h",
-    "src/core/httpcli/parser.h",
-    "src/core/iomgr/closure.h",
-    "src/core/iomgr/endpoint.h",
-    "src/core/iomgr/endpoint_pair.h",
-    "src/core/iomgr/exec_ctx.h",
-    "src/core/iomgr/executor.h",
-    "src/core/iomgr/fd_posix.h",
-    "src/core/iomgr/iocp_windows.h",
-    "src/core/iomgr/iomgr.h",
-    "src/core/iomgr/iomgr_internal.h",
-    "src/core/iomgr/iomgr_posix.h",
-    "src/core/iomgr/pollset.h",
-    "src/core/iomgr/pollset_posix.h",
-    "src/core/iomgr/pollset_set.h",
-    "src/core/iomgr/pollset_set_posix.h",
-    "src/core/iomgr/pollset_set_windows.h",
-    "src/core/iomgr/pollset_windows.h",
-    "src/core/iomgr/resolve_address.h",
-    "src/core/iomgr/sockaddr.h",
-    "src/core/iomgr/sockaddr_posix.h",
-    "src/core/iomgr/sockaddr_utils.h",
-    "src/core/iomgr/sockaddr_win32.h",
-    "src/core/iomgr/socket_utils_posix.h",
-    "src/core/iomgr/socket_windows.h",
-    "src/core/iomgr/tcp_client.h",
-    "src/core/iomgr/tcp_posix.h",
-    "src/core/iomgr/tcp_server.h",
-    "src/core/iomgr/tcp_windows.h",
-    "src/core/iomgr/time_averaged_stats.h",
-    "src/core/iomgr/timer.h",
-    "src/core/iomgr/timer_heap.h",
-    "src/core/iomgr/udp_server.h",
-    "src/core/iomgr/wakeup_fd_pipe.h",
-    "src/core/iomgr/wakeup_fd_posix.h",
-    "src/core/iomgr/workqueue.h",
-    "src/core/iomgr/workqueue_posix.h",
-    "src/core/iomgr/workqueue_windows.h",
-    "src/core/json/json.h",
-    "src/core/json/json_common.h",
-    "src/core/json/json_reader.h",
-    "src/core/json/json_writer.h",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.h",
-    "src/core/statistics/census_interface.h",
-    "src/core/statistics/census_rpc_stats.h",
-    "src/core/surface/api_trace.h",
-    "src/core/surface/call.h",
-    "src/core/surface/call_test_only.h",
-    "src/core/surface/channel.h",
-    "src/core/surface/completion_queue.h",
-    "src/core/surface/event_string.h",
-    "src/core/surface/init.h",
-    "src/core/surface/server.h",
-    "src/core/surface/surface_trace.h",
-    "src/core/transport/byte_stream.h",
-    "src/core/transport/chttp2/alpn.h",
-    "src/core/transport/chttp2/bin_encoder.h",
-    "src/core/transport/chttp2/frame.h",
-    "src/core/transport/chttp2/frame_data.h",
-    "src/core/transport/chttp2/frame_goaway.h",
-    "src/core/transport/chttp2/frame_ping.h",
-    "src/core/transport/chttp2/frame_rst_stream.h",
-    "src/core/transport/chttp2/frame_settings.h",
-    "src/core/transport/chttp2/frame_window_update.h",
-    "src/core/transport/chttp2/hpack_encoder.h",
-    "src/core/transport/chttp2/hpack_parser.h",
-    "src/core/transport/chttp2/hpack_table.h",
-    "src/core/transport/chttp2/http2_errors.h",
-    "src/core/transport/chttp2/huffsyms.h",
-    "src/core/transport/chttp2/incoming_metadata.h",
-    "src/core/transport/chttp2/internal.h",
-    "src/core/transport/chttp2/status_conversion.h",
-    "src/core/transport/chttp2/stream_map.h",
-    "src/core/transport/chttp2/timeout_encoding.h",
-    "src/core/transport/chttp2/varint.h",
-    "src/core/transport/chttp2_transport.h",
-    "src/core/transport/connectivity_state.h",
-    "src/core/transport/metadata.h",
-    "src/core/transport/metadata_batch.h",
-    "src/core/transport/static_metadata.h",
-    "src/core/transport/transport.h",
-    "src/core/transport/transport_impl.h",
-    "src/core/security/auth_filters.h",
-    "src/core/security/b64.h",
-    "src/core/security/credentials.h",
-    "src/core/security/handshake.h",
-    "src/core/security/json_token.h",
-    "src/core/security/jwt_verifier.h",
-    "src/core/security/secure_endpoint.h",
-    "src/core/security/security_connector.h",
-    "src/core/security/security_context.h",
-    "src/core/tsi/fake_transport_security.h",
-    "src/core/tsi/ssl_transport_security.h",
-    "src/core/tsi/ssl_types.h",
-    "src/core/tsi/transport_security.h",
-    "src/core/tsi/transport_security_interface.h",
-    "src/core/census/aggregation.h",
-    "src/core/census/mlog.h",
-    "src/core/census/rpc_metric_id.h",
-    "third_party/nanopb/pb.h",
-    "third_party/nanopb/pb_common.h",
-    "third_party/nanopb/pb_decode.h",
-    "third_party/nanopb/pb_encode.h",
+    "src/core/lib/channel/channel_args.h",
+    "src/core/lib/channel/channel_stack.h",
+    "src/core/lib/channel/channel_stack_builder.h",
+    "src/core/lib/channel/compress_filter.h",
+    "src/core/lib/channel/connected_channel.h",
+    "src/core/lib/channel/context.h",
+    "src/core/lib/channel/http_client_filter.h",
+    "src/core/lib/channel/http_server_filter.h",
+    "src/core/lib/compression/algorithm_metadata.h",
+    "src/core/lib/compression/message_compress.h",
+    "src/core/lib/debug/trace.h",
+    "src/core/lib/http/format_request.h",
+    "src/core/lib/http/httpcli.h",
+    "src/core/lib/http/parser.h",
+    "src/core/lib/iomgr/closure.h",
+    "src/core/lib/iomgr/endpoint.h",
+    "src/core/lib/iomgr/endpoint_pair.h",
+    "src/core/lib/iomgr/ev_poll_and_epoll_posix.h",
+    "src/core/lib/iomgr/ev_posix.h",
+    "src/core/lib/iomgr/exec_ctx.h",
+    "src/core/lib/iomgr/executor.h",
+    "src/core/lib/iomgr/iocp_windows.h",
+    "src/core/lib/iomgr/iomgr.h",
+    "src/core/lib/iomgr/iomgr_internal.h",
+    "src/core/lib/iomgr/iomgr_posix.h",
+    "src/core/lib/iomgr/pollset.h",
+    "src/core/lib/iomgr/pollset_set.h",
+    "src/core/lib/iomgr/pollset_set_windows.h",
+    "src/core/lib/iomgr/pollset_windows.h",
+    "src/core/lib/iomgr/resolve_address.h",
+    "src/core/lib/iomgr/sockaddr.h",
+    "src/core/lib/iomgr/sockaddr_posix.h",
+    "src/core/lib/iomgr/sockaddr_utils.h",
+    "src/core/lib/iomgr/sockaddr_win32.h",
+    "src/core/lib/iomgr/socket_utils_posix.h",
+    "src/core/lib/iomgr/socket_windows.h",
+    "src/core/lib/iomgr/tcp_client.h",
+    "src/core/lib/iomgr/tcp_posix.h",
+    "src/core/lib/iomgr/tcp_server.h",
+    "src/core/lib/iomgr/tcp_windows.h",
+    "src/core/lib/iomgr/time_averaged_stats.h",
+    "src/core/lib/iomgr/timer.h",
+    "src/core/lib/iomgr/timer_heap.h",
+    "src/core/lib/iomgr/udp_server.h",
+    "src/core/lib/iomgr/unix_sockets_posix.h",
+    "src/core/lib/iomgr/wakeup_fd_pipe.h",
+    "src/core/lib/iomgr/wakeup_fd_posix.h",
+    "src/core/lib/iomgr/workqueue.h",
+    "src/core/lib/iomgr/workqueue_posix.h",
+    "src/core/lib/iomgr/workqueue_windows.h",
+    "src/core/lib/json/json.h",
+    "src/core/lib/json/json_common.h",
+    "src/core/lib/json/json_reader.h",
+    "src/core/lib/json/json_writer.h",
+    "src/core/lib/surface/api_trace.h",
+    "src/core/lib/surface/call.h",
+    "src/core/lib/surface/call_test_only.h",
+    "src/core/lib/surface/channel.h",
+    "src/core/lib/surface/channel_init.h",
+    "src/core/lib/surface/channel_stack_type.h",
+    "src/core/lib/surface/completion_queue.h",
+    "src/core/lib/surface/event_string.h",
+    "src/core/lib/surface/init.h",
+    "src/core/lib/surface/lame_client.h",
+    "src/core/lib/surface/server.h",
+    "src/core/lib/surface/surface_trace.h",
+    "src/core/lib/transport/byte_stream.h",
+    "src/core/lib/transport/connectivity_state.h",
+    "src/core/lib/transport/metadata.h",
+    "src/core/lib/transport/metadata_batch.h",
+    "src/core/lib/transport/static_metadata.h",
+    "src/core/lib/transport/transport.h",
+    "src/core/lib/transport/transport_impl.h",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.h",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
+    "src/core/ext/transport/chttp2/transport/frame.h",
+    "src/core/ext/transport/chttp2/transport/frame_data.h",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.h",
+    "src/core/ext/transport/chttp2/transport/frame_ping.h",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
+    "src/core/ext/transport/chttp2/transport/frame_settings.h",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.h",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.h",
+    "src/core/ext/transport/chttp2/transport/hpack_table.h",
+    "src/core/ext/transport/chttp2/transport/http2_errors.h",
+    "src/core/ext/transport/chttp2/transport/huffsyms.h",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.h",
+    "src/core/ext/transport/chttp2/transport/internal.h",
+    "src/core/ext/transport/chttp2/transport/status_conversion.h",
+    "src/core/ext/transport/chttp2/transport/stream_map.h",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.h",
+    "src/core/ext/transport/chttp2/transport/varint.h",
+    "src/core/ext/transport/chttp2/alpn/alpn.h",
+    "src/core/lib/security/auth_filters.h",
+    "src/core/lib/security/b64.h",
+    "src/core/lib/security/credentials.h",
+    "src/core/lib/security/handshake.h",
+    "src/core/lib/security/json_token.h",
+    "src/core/lib/security/jwt_verifier.h",
+    "src/core/lib/security/secure_endpoint.h",
+    "src/core/lib/security/security_connector.h",
+    "src/core/lib/security/security_context.h",
+    "src/core/lib/tsi/fake_transport_security.h",
+    "src/core/lib/tsi/ssl_transport_security.h",
+    "src/core/lib/tsi/ssl_types.h",
+    "src/core/lib/tsi/transport_security.h",
+    "src/core/lib/tsi/transport_security_interface.h",
+    "src/core/ext/client_config/client_channel.h",
+    "src/core/ext/client_config/client_channel_factory.h",
+    "src/core/ext/client_config/client_config.h",
+    "src/core/ext/client_config/connector.h",
+    "src/core/ext/client_config/initial_connect_string.h",
+    "src/core/ext/client_config/lb_policy.h",
+    "src/core/ext/client_config/lb_policy_factory.h",
+    "src/core/ext/client_config/lb_policy_registry.h",
+    "src/core/ext/client_config/parse_address.h",
+    "src/core/ext/client_config/resolver.h",
+    "src/core/ext/client_config/resolver_factory.h",
+    "src/core/ext/client_config/resolver_registry.h",
+    "src/core/ext/client_config/subchannel.h",
+    "src/core/ext/client_config/subchannel_call_holder.h",
+    "src/core/ext/client_config/subchannel_index.h",
+    "src/core/ext/client_config/uri_parser.h",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h",
+    "src/core/ext/census/aggregation.h",
+    "src/core/ext/census/census_interface.h",
+    "src/core/ext/census/census_rpc_stats.h",
+    "src/core/ext/census/grpc_filter.h",
+    "src/core/ext/census/mlog.h",
+    "src/core/ext/census/rpc_metric_id.h",
   ],
   includes = [
     "include",
@@ -1663,6 +1638,7 @@ objc_library(
   deps = [
     ":gpr_objc",
     "//external:libssl_objc",
+    "//external:nanopb",
   ],
   sdk_dylibs = ["libz"],
 )
@@ -1693,6 +1669,18 @@ cc_binary(
 )
 
 
+cc_binary(
+  name = "grpc_node_plugin",
+  srcs = [
+    "src/compiler/node_plugin.cc",
+  ],
+  deps = [
+    "//external:protobuf_compiler",
+    ":grpc_plugin_support",
+  ],
+)
+
+
 cc_binary(
   name = "grpc_objective_c_plugin",
   srcs = [
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index b4e958d3b2a841ae8a49c347c6159ad6b4ce697d..35eb5e613893222cf5fe8aac33f5a84ff255eb06 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -59,7 +59,7 @@ Each language uses its own build system to work. Currently, the root's Makefile
 and the Visual Studio project files are building only the C and C++ source code.
 In order to ease the maintenance of these files, we have a
 template system. Please do not contribute manual changes to any of the generated
-files. Instead, modify the template files, or the build.json file, and
+files. Instead, modify the template files, or the build.yaml file, and
 re-generate the project files using the following command:
 
 `./tools/buildgen/generate_projects.sh`
diff --git a/LICENSE b/LICENSE
index ac4b207af71bbe1a2c8b68729e6b0c47574b766b..0209b570e10da54c158654433c5d3212b548c352 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright 2015-2016, Google Inc.
+Copyright 2015, Google Inc.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/MANIFEST.md b/MANIFEST.md
index b523f8f6fa5ed620d92e8e07d8b612d7a941968d..77e014002d96560cef7399db297caf0a8800417a 100644
--- a/MANIFEST.md
+++ b/MANIFEST.md
@@ -1,14 +1,28 @@
 # Top-level Items by language
 
+## Bazel
+* [grpc.bzl](grpc.bzl)
+
 ## Node
 * [binding.gyp](binding.gyp)
+* [package.json](package.json)
 
 ## Objective-C
 * [gRPC.podspec](gRPC.podspec)
 
+## PHP
+* [composer.json](composer.json)
+* [config.m4](config.m4)
+* [package.xml](package.xml)
+
 ## Python
 * [requirements.txt](requirements.txt)
 * [setup.cfg](setup.cfg)
 * [setup.py](setup.py)
 * [tox.ini](tox.ini)
 * [PYTHON-MANIFEST.in](PYTHON-MANIFEST.in)
+
+## Ruby
+* [Gemfile](Gemfile)
+* [grpc.gemspec](grpc.gemspec)
+* [Rakefile](Rakefile)
diff --git a/Makefile b/Makefile
index 44a4b12bac5568a8fe36118099f1cac9e6ac267b..77ed5bc6b252f4fe1f15da692a62be525a30cdc6 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@
 # This file can be regenerated from the template by running
 # tools/buildgen/generate_projects.sh
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -95,6 +95,16 @@ LDXX_opt = $(DEFAULT_CXX)
 CPPFLAGS_opt = -O2
 DEFINES_opt = NDEBUG
 
+VALID_CONFIG_asan-trace-cmp = 1
+REQUIRE_CUSTOM_LIBRARIES_asan-trace-cmp = 1
+CC_asan-trace-cmp = clang
+CXX_asan-trace-cmp = clang++
+LD_asan-trace-cmp = clang
+LDXX_asan-trace-cmp = clang++
+CPPFLAGS_asan-trace-cmp = -O0 -fsanitize-coverage=edge -fsanitize-coverage=trace-cmp -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+LDFLAGS_asan-trace-cmp = -fsanitize=address
+DEFINES_asan-trace-cmp += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=3
+
 VALID_CONFIG_dbg = 1
 CC_dbg = $(DEFAULT_CC)
 CXX_dbg = $(DEFAULT_CXX)
@@ -109,7 +119,7 @@ CC_easan = clang
 CXX_easan = clang++
 LD_easan = clang
 LDXX_easan = clang++
-CPPFLAGS_easan = -O0 -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+CPPFLAGS_easan = -O0 -fsanitize-coverage=edge -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
 LDFLAGS_easan = -fsanitize=address
 DEFINES_easan = _DEBUG DEBUG GRPC_EXECUTION_CONTEXT_SANITIZER
 DEFINES_easan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=3
@@ -120,7 +130,7 @@ CC_asan = clang
 CXX_asan = clang++
 LD_asan = clang
 LDXX_asan = clang++
-CPPFLAGS_asan = -O0 -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+CPPFLAGS_asan = -O0 -fsanitize-coverage=edge -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
 LDFLAGS_asan = -fsanitize=address
 DEFINES_asan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=3
 
@@ -130,7 +140,7 @@ CC_msan = clang
 CXX_msan = clang++
 LD_msan = clang
 LDXX_msan = clang++
-CPPFLAGS_msan = -O0 -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1 -Wno-unused-command-line-argument -fPIE -pie -DGPR_NO_DIRECT_SYSCALLS
+CPPFLAGS_msan = -O0 -fsanitize-coverage=edge -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1 -Wno-unused-command-line-argument -fPIE -pie -DGPR_NO_DIRECT_SYSCALLS
 LDFLAGS_msan = -fsanitize=memory -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1 -fPIE -pie $(if $(JENKINS_BUILD),-Wl$(comma)-Ttext-segment=0x7e0000000000,)
 DEFINES_msan = NDEBUG
 DEFINES_msan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=4
@@ -159,7 +169,7 @@ CC_asan-noleaks = clang
 CXX_asan-noleaks = clang++
 LD_asan-noleaks = clang
 LDXX_asan-noleaks = clang++
-CPPFLAGS_asan-noleaks = -O0 -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+CPPFLAGS_asan-noleaks = -O0 -fsanitize-coverage=edge -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
 LDFLAGS_asan-noleaks = -fsanitize=address
 DEFINES_asan-noleaks += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=3
 
@@ -177,7 +187,7 @@ CC_ubsan = clang
 CXX_ubsan = clang++
 LD_ubsan = clang
 LDXX_ubsan = clang++
-CPPFLAGS_ubsan = -O1 -fsanitize=undefined -fno-omit-frame-pointer -Wno-unused-command-line-argument
+CPPFLAGS_ubsan = -O1 -fsanitize-coverage=edge -fsanitize=undefined -fno-omit-frame-pointer -Wno-unused-command-line-argument
 LDFLAGS_ubsan = -fsanitize=undefined
 DEFINES_ubsan = NDEBUG
 DEFINES_ubsan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=1.5
@@ -188,8 +198,8 @@ CC_tsan = clang
 CXX_tsan = clang++
 LD_tsan = clang
 LDXX_tsan = clang++
-CPPFLAGS_tsan = -O0 -fsanitize=thread -fno-omit-frame-pointer -Wno-unused-command-line-argument -fPIE -pie -DGPR_NO_DIRECT_SYSCALLS
-LDFLAGS_tsan = -fsanitize=thread -fPIE -pie $(if $(JENKINS_BUILD),-Wl$(comma)-Ttext-segment=0x7e0000000000,)
+CPPFLAGS_tsan = -O0 -fsanitize=thread -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+LDFLAGS_tsan = -fsanitize=thread
 DEFINES_tsan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=5
 
 VALID_CONFIG_stapprof = 1
@@ -225,8 +235,8 @@ CC_etsan = clang
 CXX_etsan = clang++
 LD_etsan = clang
 LDXX_etsan = clang++
-CPPFLAGS_etsan = -O0 -fsanitize=thread -fno-omit-frame-pointer -Wno-unused-command-line-argument -fPIE -pie -DGPR_NO_DIRECT_SYSCALLS
-LDFLAGS_etsan = -fsanitize=thread -fPIE -pie $(if $(JENKINS_BUILD),-Wl$(comma)-Ttext-segment=0x7e0000000000,)
+CPPFLAGS_etsan = -O0 -fsanitize=thread -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+LDFLAGS_etsan = -fsanitize=thread
 DEFINES_etsan = _DEBUG DEBUG GRPC_EXECUTION_CONTEXT_SANITIZER
 DEFINES_etsan += GRPC_TEST_SLOWDOWN_BUILD_FACTOR=5
 
@@ -769,7 +779,7 @@ endif
 
 .SECONDARY = %.pb.h %.pb.cc
 
-PROTOC_PLUGINS = $(BINDIR)/$(CONFIG)/grpc_cpp_plugin $(BINDIR)/$(CONFIG)/grpc_csharp_plugin $(BINDIR)/$(CONFIG)/grpc_objective_c_plugin $(BINDIR)/$(CONFIG)/grpc_python_plugin $(BINDIR)/$(CONFIG)/grpc_ruby_plugin
+PROTOC_PLUGINS = $(BINDIR)/$(CONFIG)/grpc_cpp_plugin $(BINDIR)/$(CONFIG)/grpc_csharp_plugin $(BINDIR)/$(CONFIG)/grpc_node_plugin $(BINDIR)/$(CONFIG)/grpc_objective_c_plugin $(BINDIR)/$(CONFIG)/grpc_python_plugin $(BINDIR)/$(CONFIG)/grpc_ruby_plugin
 ifeq ($(DEP_MISSING),)
 all: static shared plugins
 dep_error:
@@ -871,6 +881,7 @@ alarm_test: $(BINDIR)/$(CONFIG)/alarm_test
 algorithm_test: $(BINDIR)/$(CONFIG)/algorithm_test
 alloc_test: $(BINDIR)/$(CONFIG)/alloc_test
 alpn_test: $(BINDIR)/$(CONFIG)/alpn_test
+api_fuzzer: $(BINDIR)/$(CONFIG)/api_fuzzer
 bin_encoder_test: $(BINDIR)/$(CONFIG)/bin_encoder_test
 census_context_test: $(BINDIR)/$(CONFIG)/census_context_test
 channel_create_test: $(BINDIR)/$(CONFIG)/channel_create_test
@@ -878,6 +889,7 @@ chttp2_hpack_encoder_test: $(BINDIR)/$(CONFIG)/chttp2_hpack_encoder_test
 chttp2_status_conversion_test: $(BINDIR)/$(CONFIG)/chttp2_status_conversion_test
 chttp2_stream_map_test: $(BINDIR)/$(CONFIG)/chttp2_stream_map_test
 chttp2_varint_test: $(BINDIR)/$(CONFIG)/chttp2_varint_test
+client_fuzzer: $(BINDIR)/$(CONFIG)/client_fuzzer
 compression_test: $(BINDIR)/$(CONFIG)/compression_test
 concurrent_connectivity_test: $(BINDIR)/$(CONFIG)/concurrent_connectivity_test
 dns_resolver_connectivity_test: $(BINDIR)/$(CONFIG)/dns_resolver_connectivity_test
@@ -892,6 +904,7 @@ fling_stream_test: $(BINDIR)/$(CONFIG)/fling_stream_test
 fling_test: $(BINDIR)/$(CONFIG)/fling_test
 gen_hpack_tables: $(BINDIR)/$(CONFIG)/gen_hpack_tables
 gen_legal_metadata_characters: $(BINDIR)/$(CONFIG)/gen_legal_metadata_characters
+goaway_server_test: $(BINDIR)/$(CONFIG)/goaway_server_test
 gpr_avl_test: $(BINDIR)/$(CONFIG)/gpr_avl_test
 gpr_backoff_test: $(BINDIR)/$(CONFIG)/gpr_backoff_test
 gpr_cmdline_test: $(BINDIR)/$(CONFIG)/gpr_cmdline_test
@@ -925,14 +938,20 @@ grpc_jwt_verifier_test: $(BINDIR)/$(CONFIG)/grpc_jwt_verifier_test
 grpc_print_google_default_creds_token: $(BINDIR)/$(CONFIG)/grpc_print_google_default_creds_token
 grpc_security_connector_test: $(BINDIR)/$(CONFIG)/grpc_security_connector_test
 grpc_verify_jwt: $(BINDIR)/$(CONFIG)/grpc_verify_jwt
+hpack_parser_fuzzer_test: $(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test
 hpack_parser_test: $(BINDIR)/$(CONFIG)/hpack_parser_test
 hpack_table_test: $(BINDIR)/$(CONFIG)/hpack_table_test
+http_fuzzer_test: $(BINDIR)/$(CONFIG)/http_fuzzer_test
+http_parser_test: $(BINDIR)/$(CONFIG)/http_parser_test
 httpcli_format_request_test: $(BINDIR)/$(CONFIG)/httpcli_format_request_test
-httpcli_parser_test: $(BINDIR)/$(CONFIG)/httpcli_parser_test
 httpcli_test: $(BINDIR)/$(CONFIG)/httpcli_test
 httpscli_test: $(BINDIR)/$(CONFIG)/httpscli_test
 init_test: $(BINDIR)/$(CONFIG)/init_test
+internal_api_canary_iomgr_test: $(BINDIR)/$(CONFIG)/internal_api_canary_iomgr_test
+internal_api_canary_support_test: $(BINDIR)/$(CONFIG)/internal_api_canary_support_test
+internal_api_canary_transport_test: $(BINDIR)/$(CONFIG)/internal_api_canary_transport_test
 invalid_call_argument_test: $(BINDIR)/$(CONFIG)/invalid_call_argument_test
+json_fuzzer_test: $(BINDIR)/$(CONFIG)/json_fuzzer_test
 json_rewrite: $(BINDIR)/$(CONFIG)/json_rewrite
 json_rewrite_test: $(BINDIR)/$(CONFIG)/json_rewrite_test
 json_stream_error_test: $(BINDIR)/$(CONFIG)/json_stream_error_test
@@ -944,11 +963,14 @@ message_compress_test: $(BINDIR)/$(CONFIG)/message_compress_test
 mlog_test: $(BINDIR)/$(CONFIG)/mlog_test
 multiple_server_queues_test: $(BINDIR)/$(CONFIG)/multiple_server_queues_test
 murmur_hash_test: $(BINDIR)/$(CONFIG)/murmur_hash_test
+nanopb_fuzzer_response_test: $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test
+nanopb_fuzzer_serverlist_test: $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test
 no_server_test: $(BINDIR)/$(CONFIG)/no_server_test
 resolve_address_test: $(BINDIR)/$(CONFIG)/resolve_address_test
 secure_channel_create_test: $(BINDIR)/$(CONFIG)/secure_channel_create_test
 secure_endpoint_test: $(BINDIR)/$(CONFIG)/secure_endpoint_test
 server_chttp2_test: $(BINDIR)/$(CONFIG)/server_chttp2_test
+server_fuzzer: $(BINDIR)/$(CONFIG)/server_fuzzer
 server_test: $(BINDIR)/$(CONFIG)/server_test
 set_initial_connect_string_test: $(BINDIR)/$(CONFIG)/set_initial_connect_string_test
 sockaddr_resolver_test: $(BINDIR)/$(CONFIG)/sockaddr_resolver_test
@@ -966,6 +988,7 @@ transport_connectivity_state_test: $(BINDIR)/$(CONFIG)/transport_connectivity_st
 transport_metadata_test: $(BINDIR)/$(CONFIG)/transport_metadata_test
 transport_security_test: $(BINDIR)/$(CONFIG)/transport_security_test
 udp_server_test: $(BINDIR)/$(CONFIG)/udp_server_test
+uri_fuzzer_test: $(BINDIR)/$(CONFIG)/uri_fuzzer_test
 uri_parser_test: $(BINDIR)/$(CONFIG)/uri_parser_test
 workqueue_test: $(BINDIR)/$(CONFIG)/workqueue_test
 alarm_cpp_test: $(BINDIR)/$(CONFIG)/alarm_cpp_test
@@ -977,7 +1000,8 @@ channel_arguments_test: $(BINDIR)/$(CONFIG)/channel_arguments_test
 cli_call_test: $(BINDIR)/$(CONFIG)/cli_call_test
 client_crash_test: $(BINDIR)/$(CONFIG)/client_crash_test
 client_crash_test_server: $(BINDIR)/$(CONFIG)/client_crash_test_server
-codegen_test: $(BINDIR)/$(CONFIG)/codegen_test
+codegen_test_full: $(BINDIR)/$(CONFIG)/codegen_test_full
+codegen_test_minimal: $(BINDIR)/$(CONFIG)/codegen_test_minimal
 credentials_test: $(BINDIR)/$(CONFIG)/credentials_test
 cxx_byte_buffer_test: $(BINDIR)/$(CONFIG)/cxx_byte_buffer_test
 cxx_slice_test: $(BINDIR)/$(CONFIG)/cxx_slice_test
@@ -986,9 +1010,11 @@ cxx_time_test: $(BINDIR)/$(CONFIG)/cxx_time_test
 end2end_test: $(BINDIR)/$(CONFIG)/end2end_test
 generic_async_streaming_ping_pong_test: $(BINDIR)/$(CONFIG)/generic_async_streaming_ping_pong_test
 generic_end2end_test: $(BINDIR)/$(CONFIG)/generic_end2end_test
+golden_file_test: $(BINDIR)/$(CONFIG)/golden_file_test
 grpc_cli: $(BINDIR)/$(CONFIG)/grpc_cli
 grpc_cpp_plugin: $(BINDIR)/$(CONFIG)/grpc_cpp_plugin
 grpc_csharp_plugin: $(BINDIR)/$(CONFIG)/grpc_csharp_plugin
+grpc_node_plugin: $(BINDIR)/$(CONFIG)/grpc_node_plugin
 grpc_objective_c_plugin: $(BINDIR)/$(CONFIG)/grpc_objective_c_plugin
 grpc_python_plugin: $(BINDIR)/$(CONFIG)/grpc_python_plugin
 grpc_ruby_plugin: $(BINDIR)/$(CONFIG)/grpc_ruby_plugin
@@ -997,10 +1023,11 @@ hybrid_end2end_test: $(BINDIR)/$(CONFIG)/hybrid_end2end_test
 interop_client: $(BINDIR)/$(CONFIG)/interop_client
 interop_server: $(BINDIR)/$(CONFIG)/interop_server
 interop_test: $(BINDIR)/$(CONFIG)/interop_test
+json_run_localhost: $(BINDIR)/$(CONFIG)/json_run_localhost
 metrics_client: $(BINDIR)/$(CONFIG)/metrics_client
 mock_test: $(BINDIR)/$(CONFIG)/mock_test
-qps_driver: $(BINDIR)/$(CONFIG)/qps_driver
 qps_interarrival_test: $(BINDIR)/$(CONFIG)/qps_interarrival_test
+qps_json_driver: $(BINDIR)/$(CONFIG)/qps_json_driver
 qps_openloop_test: $(BINDIR)/$(CONFIG)/qps_openloop_test
 qps_test: $(BINDIR)/$(CONFIG)/qps_test
 qps_worker: $(BINDIR)/$(CONFIG)/qps_worker
@@ -1020,6 +1047,7 @@ thread_stress_test: $(BINDIR)/$(CONFIG)/thread_stress_test
 zookeeper_test: $(BINDIR)/$(CONFIG)/zookeeper_test
 public_headers_must_be_c89: $(BINDIR)/$(CONFIG)/public_headers_must_be_c89
 boringssl_aes_test: $(BINDIR)/$(CONFIG)/boringssl_aes_test
+boringssl_asn1_test: $(BINDIR)/$(CONFIG)/boringssl_asn1_test
 boringssl_base64_test: $(BINDIR)/$(CONFIG)/boringssl_base64_test
 boringssl_bio_test: $(BINDIR)/$(CONFIG)/boringssl_bio_test
 boringssl_bn_test: $(BINDIR)/$(CONFIG)/boringssl_bn_test
@@ -1051,12 +1079,14 @@ boringssl_refcount_test: $(BINDIR)/$(CONFIG)/boringssl_refcount_test
 boringssl_rsa_test: $(BINDIR)/$(CONFIG)/boringssl_rsa_test
 boringssl_thread_test: $(BINDIR)/$(CONFIG)/boringssl_thread_test
 boringssl_pkcs7_test: $(BINDIR)/$(CONFIG)/boringssl_pkcs7_test
+boringssl_x509_test: $(BINDIR)/$(CONFIG)/boringssl_x509_test
 boringssl_tab_test: $(BINDIR)/$(CONFIG)/boringssl_tab_test
 boringssl_v3name_test: $(BINDIR)/$(CONFIG)/boringssl_v3name_test
 boringssl_pqueue_test: $(BINDIR)/$(CONFIG)/boringssl_pqueue_test
 boringssl_ssl_test: $(BINDIR)/$(CONFIG)/boringssl_ssl_test
 badreq_bad_client_test: $(BINDIR)/$(CONFIG)/badreq_bad_client_test
 connection_prefix_bad_client_test: $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test
+head_of_line_blocking_bad_client_test: $(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test
 headers_bad_client_test: $(BINDIR)/$(CONFIG)/headers_bad_client_test
 initial_settings_frame_bad_client_test: $(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test
 server_registered_method_bad_client_test: $(BINDIR)/$(CONFIG)/server_registered_method_bad_client_test
@@ -1072,32 +1102,35 @@ h2_compress_test: $(BINDIR)/$(CONFIG)/h2_compress_test
 h2_fakesec_test: $(BINDIR)/$(CONFIG)/h2_fakesec_test
 h2_full_test: $(BINDIR)/$(CONFIG)/h2_full_test
 h2_full+pipe_test: $(BINDIR)/$(CONFIG)/h2_full+pipe_test
-h2_full+poll_test: $(BINDIR)/$(CONFIG)/h2_full+poll_test
-h2_full+poll+pipe_test: $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test
+h2_full+trace_test: $(BINDIR)/$(CONFIG)/h2_full+trace_test
 h2_oauth2_test: $(BINDIR)/$(CONFIG)/h2_oauth2_test
 h2_proxy_test: $(BINDIR)/$(CONFIG)/h2_proxy_test
 h2_sockpair_test: $(BINDIR)/$(CONFIG)/h2_sockpair_test
 h2_sockpair+trace_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_test
 h2_sockpair_1byte_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test
 h2_ssl_test: $(BINDIR)/$(CONFIG)/h2_ssl_test
-h2_ssl+poll_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_test
+h2_ssl_cert_test: $(BINDIR)/$(CONFIG)/h2_ssl_cert_test
 h2_ssl_proxy_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_test
-h2_uchannel_test: $(BINDIR)/$(CONFIG)/h2_uchannel_test
 h2_uds_test: $(BINDIR)/$(CONFIG)/h2_uds_test
-h2_uds+poll_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_test
 h2_census_nosec_test: $(BINDIR)/$(CONFIG)/h2_census_nosec_test
 h2_compress_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_nosec_test
 h2_full_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_nosec_test
 h2_full+pipe_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+pipe_nosec_test
-h2_full+poll_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_nosec_test
-h2_full+poll+pipe_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_nosec_test
+h2_full+trace_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+trace_nosec_test
 h2_proxy_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_nosec_test
 h2_sockpair_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_nosec_test
 h2_sockpair+trace_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_nosec_test
 h2_sockpair_1byte_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_nosec_test
-h2_uchannel_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_nosec_test
 h2_uds_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_nosec_test
-h2_uds+poll_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_nosec_test
+api_fuzzer_one_entry: $(BINDIR)/$(CONFIG)/api_fuzzer_one_entry
+client_fuzzer_one_entry: $(BINDIR)/$(CONFIG)/client_fuzzer_one_entry
+hpack_parser_fuzzer_test_one_entry: $(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test_one_entry
+http_fuzzer_test_one_entry: $(BINDIR)/$(CONFIG)/http_fuzzer_test_one_entry
+json_fuzzer_test_one_entry: $(BINDIR)/$(CONFIG)/json_fuzzer_test_one_entry
+nanopb_fuzzer_response_test_one_entry: $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry
+nanopb_fuzzer_serverlist_test_one_entry: $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry
+server_fuzzer_one_entry: $(BINDIR)/$(CONFIG)/server_fuzzer_one_entry
+uri_fuzzer_test_one_entry: $(BINDIR)/$(CONFIG)/uri_fuzzer_test_one_entry
 
 run_dep_checks:
 	$(OPENSSL_ALPN_CHECK_CMD) || true
@@ -1169,7 +1202,7 @@ pc_cxx: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc++.pc
 
 pc_cxx_unsecure: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc++_unsecure.pc
 
-privatelibs_cxx:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a $(LIBDIR)/$(CONFIG)/libboringssl_aes_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_base64_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bio_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bn_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bytestring_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_aead_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_cipher_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_cmac_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ed25519_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_x25519_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_dh_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_digest_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ec_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ecdsa_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_err_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_evp_extra_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_evp_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pbkdf_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_hmac_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pkcs12_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pkcs8_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_poly1305_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_rsa_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ssl_test_lib.a
+privatelibs_cxx:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a $(LIBDIR)/$(CONFIG)/libboringssl_aes_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_base64_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bio_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bn_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bytestring_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_aead_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_cipher_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_cmac_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ed25519_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_x25519_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_dh_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_digest_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ec_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ecdsa_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_err_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_evp_extra_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_evp_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pbkdf_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_hmac_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pkcs12_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pkcs8_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_poly1305_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_rsa_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_x509_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ssl_test_lib.a
 
 ifeq ($(HAS_ZOOKEEPER),true)
 privatelibs_zookeeper: 
@@ -1204,6 +1237,7 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/fling_server \
   $(BINDIR)/$(CONFIG)/fling_stream_test \
   $(BINDIR)/$(CONFIG)/fling_test \
+  $(BINDIR)/$(CONFIG)/goaway_server_test \
   $(BINDIR)/$(CONFIG)/gpr_avl_test \
   $(BINDIR)/$(CONFIG)/gpr_backoff_test \
   $(BINDIR)/$(CONFIG)/gpr_cmdline_test \
@@ -1235,11 +1269,14 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/grpc_security_connector_test \
   $(BINDIR)/$(CONFIG)/hpack_parser_test \
   $(BINDIR)/$(CONFIG)/hpack_table_test \
+  $(BINDIR)/$(CONFIG)/http_parser_test \
   $(BINDIR)/$(CONFIG)/httpcli_format_request_test \
-  $(BINDIR)/$(CONFIG)/httpcli_parser_test \
   $(BINDIR)/$(CONFIG)/httpcli_test \
   $(BINDIR)/$(CONFIG)/httpscli_test \
   $(BINDIR)/$(CONFIG)/init_test \
+  $(BINDIR)/$(CONFIG)/internal_api_canary_iomgr_test \
+  $(BINDIR)/$(CONFIG)/internal_api_canary_support_test \
+  $(BINDIR)/$(CONFIG)/internal_api_canary_transport_test \
   $(BINDIR)/$(CONFIG)/invalid_call_argument_test \
   $(BINDIR)/$(CONFIG)/json_rewrite \
   $(BINDIR)/$(CONFIG)/json_rewrite_test \
@@ -1278,6 +1315,7 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/public_headers_must_be_c89 \
   $(BINDIR)/$(CONFIG)/badreq_bad_client_test \
   $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test \
+  $(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test \
   $(BINDIR)/$(CONFIG)/headers_bad_client_test \
   $(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test \
   $(BINDIR)/$(CONFIG)/server_registered_method_bad_client_test \
@@ -1293,32 +1331,35 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/h2_fakesec_test \
   $(BINDIR)/$(CONFIG)/h2_full_test \
   $(BINDIR)/$(CONFIG)/h2_full+pipe_test \
-  $(BINDIR)/$(CONFIG)/h2_full+poll_test \
-  $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test \
+  $(BINDIR)/$(CONFIG)/h2_full+trace_test \
   $(BINDIR)/$(CONFIG)/h2_oauth2_test \
   $(BINDIR)/$(CONFIG)/h2_proxy_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair+trace_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test \
   $(BINDIR)/$(CONFIG)/h2_ssl_test \
-  $(BINDIR)/$(CONFIG)/h2_ssl+poll_test \
+  $(BINDIR)/$(CONFIG)/h2_ssl_cert_test \
   $(BINDIR)/$(CONFIG)/h2_ssl_proxy_test \
-  $(BINDIR)/$(CONFIG)/h2_uchannel_test \
   $(BINDIR)/$(CONFIG)/h2_uds_test \
-  $(BINDIR)/$(CONFIG)/h2_uds+poll_test \
   $(BINDIR)/$(CONFIG)/h2_census_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_compress_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_full_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_full+pipe_nosec_test \
-  $(BINDIR)/$(CONFIG)/h2_full+poll_nosec_test \
-  $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_nosec_test \
+  $(BINDIR)/$(CONFIG)/h2_full+trace_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_proxy_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair+trace_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_nosec_test \
-  $(BINDIR)/$(CONFIG)/h2_uchannel_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_uds_nosec_test \
-  $(BINDIR)/$(CONFIG)/h2_uds+poll_nosec_test \
+  $(BINDIR)/$(CONFIG)/api_fuzzer_one_entry \
+  $(BINDIR)/$(CONFIG)/client_fuzzer_one_entry \
+  $(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test_one_entry \
+  $(BINDIR)/$(CONFIG)/http_fuzzer_test_one_entry \
+  $(BINDIR)/$(CONFIG)/json_fuzzer_test_one_entry \
+  $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry \
+  $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry \
+  $(BINDIR)/$(CONFIG)/server_fuzzer_one_entry \
+  $(BINDIR)/$(CONFIG)/uri_fuzzer_test_one_entry \
 
 
 buildtests_cxx: buildtests_zookeeper privatelibs_cxx \
@@ -1331,7 +1372,8 @@ buildtests_cxx: buildtests_zookeeper privatelibs_cxx \
   $(BINDIR)/$(CONFIG)/cli_call_test \
   $(BINDIR)/$(CONFIG)/client_crash_test \
   $(BINDIR)/$(CONFIG)/client_crash_test_server \
-  $(BINDIR)/$(CONFIG)/codegen_test \
+  $(BINDIR)/$(CONFIG)/codegen_test_full \
+  $(BINDIR)/$(CONFIG)/codegen_test_minimal \
   $(BINDIR)/$(CONFIG)/credentials_test \
   $(BINDIR)/$(CONFIG)/cxx_byte_buffer_test \
   $(BINDIR)/$(CONFIG)/cxx_slice_test \
@@ -1340,17 +1382,21 @@ buildtests_cxx: buildtests_zookeeper privatelibs_cxx \
   $(BINDIR)/$(CONFIG)/end2end_test \
   $(BINDIR)/$(CONFIG)/generic_async_streaming_ping_pong_test \
   $(BINDIR)/$(CONFIG)/generic_end2end_test \
+  $(BINDIR)/$(CONFIG)/golden_file_test \
   $(BINDIR)/$(CONFIG)/grpc_cli \
   $(BINDIR)/$(CONFIG)/grpclb_api_test \
   $(BINDIR)/$(CONFIG)/hybrid_end2end_test \
   $(BINDIR)/$(CONFIG)/interop_client \
   $(BINDIR)/$(CONFIG)/interop_server \
   $(BINDIR)/$(CONFIG)/interop_test \
+  $(BINDIR)/$(CONFIG)/json_run_localhost \
   $(BINDIR)/$(CONFIG)/metrics_client \
   $(BINDIR)/$(CONFIG)/mock_test \
   $(BINDIR)/$(CONFIG)/qps_interarrival_test \
+  $(BINDIR)/$(CONFIG)/qps_json_driver \
   $(BINDIR)/$(CONFIG)/qps_openloop_test \
   $(BINDIR)/$(CONFIG)/qps_test \
+  $(BINDIR)/$(CONFIG)/qps_worker \
   $(BINDIR)/$(CONFIG)/reconnect_interop_client \
   $(BINDIR)/$(CONFIG)/reconnect_interop_server \
   $(BINDIR)/$(CONFIG)/secure_auth_context_test \
@@ -1365,6 +1411,7 @@ buildtests_cxx: buildtests_zookeeper privatelibs_cxx \
   $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test \
   $(BINDIR)/$(CONFIG)/thread_stress_test \
   $(BINDIR)/$(CONFIG)/boringssl_aes_test \
+  $(BINDIR)/$(CONFIG)/boringssl_asn1_test \
   $(BINDIR)/$(CONFIG)/boringssl_base64_test \
   $(BINDIR)/$(CONFIG)/boringssl_bio_test \
   $(BINDIR)/$(CONFIG)/boringssl_bn_test \
@@ -1396,6 +1443,7 @@ buildtests_cxx: buildtests_zookeeper privatelibs_cxx \
   $(BINDIR)/$(CONFIG)/boringssl_rsa_test \
   $(BINDIR)/$(CONFIG)/boringssl_thread_test \
   $(BINDIR)/$(CONFIG)/boringssl_pkcs7_test \
+  $(BINDIR)/$(CONFIG)/boringssl_x509_test \
   $(BINDIR)/$(CONFIG)/boringssl_tab_test \
   $(BINDIR)/$(CONFIG)/boringssl_v3name_test \
   $(BINDIR)/$(CONFIG)/boringssl_pqueue_test \
@@ -1458,6 +1506,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/fling_stream_test || ( echo test fling_stream_test failed ; exit 1 )
 	$(E) "[RUN]     Testing fling_test"
 	$(Q) $(BINDIR)/$(CONFIG)/fling_test || ( echo test fling_test failed ; exit 1 )
+	$(E) "[RUN]     Testing goaway_server_test"
+	$(Q) $(BINDIR)/$(CONFIG)/goaway_server_test || ( echo test goaway_server_test failed ; exit 1 )
 	$(E) "[RUN]     Testing gpr_avl_test"
 	$(Q) $(BINDIR)/$(CONFIG)/gpr_avl_test || ( echo test gpr_avl_test failed ; exit 1 )
 	$(E) "[RUN]     Testing gpr_backoff_test"
@@ -1520,10 +1570,10 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/hpack_parser_test || ( echo test hpack_parser_test failed ; exit 1 )
 	$(E) "[RUN]     Testing hpack_table_test"
 	$(Q) $(BINDIR)/$(CONFIG)/hpack_table_test || ( echo test hpack_table_test failed ; exit 1 )
+	$(E) "[RUN]     Testing http_parser_test"
+	$(Q) $(BINDIR)/$(CONFIG)/http_parser_test || ( echo test http_parser_test failed ; exit 1 )
 	$(E) "[RUN]     Testing httpcli_format_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/httpcli_format_request_test || ( echo test httpcli_format_request_test failed ; exit 1 )
-	$(E) "[RUN]     Testing httpcli_parser_test"
-	$(Q) $(BINDIR)/$(CONFIG)/httpcli_parser_test || ( echo test httpcli_parser_test failed ; exit 1 )
 	$(E) "[RUN]     Testing httpcli_test"
 	$(Q) $(BINDIR)/$(CONFIG)/httpcli_test || ( echo test httpcli_test failed ; exit 1 )
 	$(E) "[RUN]     Testing httpscli_test"
@@ -1540,12 +1590,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/json_test || ( echo test json_test failed ; exit 1 )
 	$(E) "[RUN]     Testing lame_client_test"
 	$(Q) $(BINDIR)/$(CONFIG)/lame_client_test || ( echo test lame_client_test failed ; exit 1 )
-	$(E) "[RUN]     Testing lb_policies_test"
-	$(Q) $(BINDIR)/$(CONFIG)/lb_policies_test || ( echo test lb_policies_test failed ; exit 1 )
 	$(E) "[RUN]     Testing message_compress_test"
 	$(Q) $(BINDIR)/$(CONFIG)/message_compress_test || ( echo test message_compress_test failed ; exit 1 )
-	$(E) "[RUN]     Testing mlog_test"
-	$(Q) $(BINDIR)/$(CONFIG)/mlog_test || ( echo test mlog_test failed ; exit 1 )
 	$(E) "[RUN]     Testing multiple_server_queues_test"
 	$(Q) $(BINDIR)/$(CONFIG)/multiple_server_queues_test || ( echo test multiple_server_queues_test failed ; exit 1 )
 	$(E) "[RUN]     Testing murmur_hash_test"
@@ -1604,6 +1650,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/badreq_bad_client_test || ( echo test badreq_bad_client_test failed ; exit 1 )
 	$(E) "[RUN]     Testing connection_prefix_bad_client_test"
 	$(Q) $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test || ( echo test connection_prefix_bad_client_test failed ; exit 1 )
+	$(E) "[RUN]     Testing head_of_line_blocking_bad_client_test"
+	$(Q) $(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test || ( echo test head_of_line_blocking_bad_client_test failed ; exit 1 )
 	$(E) "[RUN]     Testing headers_bad_client_test"
 	$(Q) $(BINDIR)/$(CONFIG)/headers_bad_client_test || ( echo test headers_bad_client_test failed ; exit 1 )
 	$(E) "[RUN]     Testing initial_settings_frame_bad_client_test"
@@ -1623,6 +1671,10 @@ test_c: buildtests_c
 
 
 flaky_test_c: buildtests_c
+	$(E) "[RUN]     Testing lb_policies_test"
+	$(Q) $(BINDIR)/$(CONFIG)/lb_policies_test || ( echo test lb_policies_test failed ; exit 1 )
+	$(E) "[RUN]     Testing mlog_test"
+	$(Q) $(BINDIR)/$(CONFIG)/mlog_test || ( echo test mlog_test failed ; exit 1 )
 
 
 test_cxx: test_zookeeper buildtests_cxx
@@ -1642,8 +1694,10 @@ test_cxx: test_zookeeper buildtests_cxx
 	$(Q) $(BINDIR)/$(CONFIG)/cli_call_test || ( echo test cli_call_test failed ; exit 1 )
 	$(E) "[RUN]     Testing client_crash_test"
 	$(Q) $(BINDIR)/$(CONFIG)/client_crash_test || ( echo test client_crash_test failed ; exit 1 )
-	$(E) "[RUN]     Testing codegen_test"
-	$(Q) $(BINDIR)/$(CONFIG)/codegen_test || ( echo test codegen_test failed ; exit 1 )
+	$(E) "[RUN]     Testing codegen_test_full"
+	$(Q) $(BINDIR)/$(CONFIG)/codegen_test_full || ( echo test codegen_test_full failed ; exit 1 )
+	$(E) "[RUN]     Testing codegen_test_minimal"
+	$(Q) $(BINDIR)/$(CONFIG)/codegen_test_minimal || ( echo test codegen_test_minimal failed ; exit 1 )
 	$(E) "[RUN]     Testing credentials_test"
 	$(Q) $(BINDIR)/$(CONFIG)/credentials_test || ( echo test credentials_test failed ; exit 1 )
 	$(E) "[RUN]     Testing cxx_byte_buffer_test"
@@ -1660,6 +1714,8 @@ test_cxx: test_zookeeper buildtests_cxx
 	$(Q) $(BINDIR)/$(CONFIG)/generic_async_streaming_ping_pong_test || ( echo test generic_async_streaming_ping_pong_test failed ; exit 1 )
 	$(E) "[RUN]     Testing generic_end2end_test"
 	$(Q) $(BINDIR)/$(CONFIG)/generic_end2end_test || ( echo test generic_end2end_test failed ; exit 1 )
+	$(E) "[RUN]     Testing golden_file_test"
+	$(Q) $(BINDIR)/$(CONFIG)/golden_file_test || ( echo test golden_file_test failed ; exit 1 )
 	$(E) "[RUN]     Testing grpclb_api_test"
 	$(Q) $(BINDIR)/$(CONFIG)/grpclb_api_test || ( echo test grpclb_api_test failed ; exit 1 )
 	$(E) "[RUN]     Testing hybrid_end2end_test"
@@ -1719,7 +1775,7 @@ tools_c: privatelibs_c $(BINDIR)/$(CONFIG)/gen_hpack_tables $(BINDIR)/$(CONFIG)/
 
 tools_cxx: privatelibs_cxx
 
-buildbenchmarks: privatelibs $(BINDIR)/$(CONFIG)/low_level_ping_pong_benchmark $(BINDIR)/$(CONFIG)/qps_driver $(BINDIR)/$(CONFIG)/qps_worker
+buildbenchmarks: privatelibs $(BINDIR)/$(CONFIG)/low_level_ping_pong_benchmark
 
 benchmarks: buildbenchmarks
 
@@ -1828,6 +1884,21 @@ $(GENDIR)/src/proto/grpc/lb/v0/load_balancer.grpc.pb.cc: src/proto/grpc/lb/v0/lo
 	$(Q) $(PROTOC) --grpc_out=$(GENDIR) --plugin=protoc-gen-grpc=$(BINDIR)/$(CONFIG)/grpc_cpp_plugin $<
 endif
 
+ifeq ($(NO_PROTOC),true)
+$(GENDIR)/src/proto/grpc/testing/compiler_test.pb.cc: protoc_dep_error
+$(GENDIR)/src/proto/grpc/testing/compiler_test.grpc.pb.cc: protoc_dep_error
+else
+$(GENDIR)/src/proto/grpc/testing/compiler_test.pb.cc: src/proto/grpc/testing/compiler_test.proto $(PROTOBUF_DEP) $(PROTOC_PLUGINS) 
+	$(E) "[PROTOC]  Generating protobuf CC file from $<"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(PROTOC) --cpp_out=$(GENDIR) $<
+
+$(GENDIR)/src/proto/grpc/testing/compiler_test.grpc.pb.cc: src/proto/grpc/testing/compiler_test.proto $(PROTOBUF_DEP) $(PROTOC_PLUGINS) 
+	$(E) "[GRPC]    Generating gRPC's protobuf service CC file from $<"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(PROTOC) --grpc_out=$(GENDIR) --plugin=protoc-gen-grpc=$(BINDIR)/$(CONFIG)/grpc_cpp_plugin $<
+endif
+
 ifeq ($(NO_PROTOC),true)
 $(GENDIR)/src/proto/grpc/testing/control.pb.cc: protoc_dep_error
 $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc: protoc_dep_error
@@ -2194,6 +2265,8 @@ else
 	$(Q) $(INSTALL) -d $(prefix)/bin
 	$(Q) $(INSTALL) $(BINDIR)/$(CONFIG)/grpc_csharp_plugin $(prefix)/bin/grpc_csharp_plugin
 	$(Q) $(INSTALL) -d $(prefix)/bin
+	$(Q) $(INSTALL) $(BINDIR)/$(CONFIG)/grpc_node_plugin $(prefix)/bin/grpc_node_plugin
+	$(Q) $(INSTALL) -d $(prefix)/bin
 	$(Q) $(INSTALL) $(BINDIR)/$(CONFIG)/grpc_objective_c_plugin $(prefix)/bin/grpc_objective_c_plugin
 	$(Q) $(INSTALL) -d $(prefix)/bin
 	$(Q) $(INSTALL) $(BINDIR)/$(CONFIG)/grpc_python_plugin $(prefix)/bin/grpc_python_plugin
@@ -2250,50 +2323,50 @@ clean:
 
 
 LIBGPR_SRC = \
-    src/core/profiling/basic_timers.c \
-    src/core/profiling/stap_timers.c \
-    src/core/support/alloc.c \
-    src/core/support/avl.c \
-    src/core/support/backoff.c \
-    src/core/support/cmdline.c \
-    src/core/support/cpu_iphone.c \
-    src/core/support/cpu_linux.c \
-    src/core/support/cpu_posix.c \
-    src/core/support/cpu_windows.c \
-    src/core/support/env_linux.c \
-    src/core/support/env_posix.c \
-    src/core/support/env_win32.c \
-    src/core/support/histogram.c \
-    src/core/support/host_port.c \
-    src/core/support/load_file.c \
-    src/core/support/log.c \
-    src/core/support/log_android.c \
-    src/core/support/log_linux.c \
-    src/core/support/log_posix.c \
-    src/core/support/log_win32.c \
-    src/core/support/murmur_hash.c \
-    src/core/support/slice.c \
-    src/core/support/slice_buffer.c \
-    src/core/support/stack_lockfree.c \
-    src/core/support/string.c \
-    src/core/support/string_posix.c \
-    src/core/support/string_win32.c \
-    src/core/support/subprocess_posix.c \
-    src/core/support/subprocess_windows.c \
-    src/core/support/sync.c \
-    src/core/support/sync_posix.c \
-    src/core/support/sync_win32.c \
-    src/core/support/thd.c \
-    src/core/support/thd_posix.c \
-    src/core/support/thd_win32.c \
-    src/core/support/time.c \
-    src/core/support/time_posix.c \
-    src/core/support/time_precise.c \
-    src/core/support/time_win32.c \
-    src/core/support/tls_pthread.c \
-    src/core/support/tmpfile_posix.c \
-    src/core/support/tmpfile_win32.c \
-    src/core/support/wrap_memcpy.c \
+    src/core/lib/profiling/basic_timers.c \
+    src/core/lib/profiling/stap_timers.c \
+    src/core/lib/support/alloc.c \
+    src/core/lib/support/avl.c \
+    src/core/lib/support/backoff.c \
+    src/core/lib/support/cmdline.c \
+    src/core/lib/support/cpu_iphone.c \
+    src/core/lib/support/cpu_linux.c \
+    src/core/lib/support/cpu_posix.c \
+    src/core/lib/support/cpu_windows.c \
+    src/core/lib/support/env_linux.c \
+    src/core/lib/support/env_posix.c \
+    src/core/lib/support/env_win32.c \
+    src/core/lib/support/histogram.c \
+    src/core/lib/support/host_port.c \
+    src/core/lib/support/load_file.c \
+    src/core/lib/support/log.c \
+    src/core/lib/support/log_android.c \
+    src/core/lib/support/log_linux.c \
+    src/core/lib/support/log_posix.c \
+    src/core/lib/support/log_win32.c \
+    src/core/lib/support/murmur_hash.c \
+    src/core/lib/support/slice.c \
+    src/core/lib/support/slice_buffer.c \
+    src/core/lib/support/stack_lockfree.c \
+    src/core/lib/support/string.c \
+    src/core/lib/support/string_posix.c \
+    src/core/lib/support/string_win32.c \
+    src/core/lib/support/subprocess_posix.c \
+    src/core/lib/support/subprocess_windows.c \
+    src/core/lib/support/sync.c \
+    src/core/lib/support/sync_posix.c \
+    src/core/lib/support/sync_win32.c \
+    src/core/lib/support/thd.c \
+    src/core/lib/support/thd_posix.c \
+    src/core/lib/support/thd_win32.c \
+    src/core/lib/support/time.c \
+    src/core/lib/support/time_posix.c \
+    src/core/lib/support/time_precise.c \
+    src/core/lib/support/time_win32.c \
+    src/core/lib/support/tls_pthread.c \
+    src/core/lib/support/tmpfile_posix.c \
+    src/core/lib/support/tmpfile_win32.c \
+    src/core/lib/support/wrap_memcpy.c \
 
 PUBLIC_HEADERS_C += \
     include/grpc/support/alloc.h \
@@ -2379,6 +2452,7 @@ endif
 LIBGPR_TEST_UTIL_SRC = \
     test/core/util/test_config.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBGPR_TEST_UTIL_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGPR_TEST_UTIL_SRC))))
 
@@ -2401,169 +2475,173 @@ endif
 
 
 LIBGRPC_SRC = \
-    src/core/census/grpc_context.c \
-    src/core/census/grpc_filter.c \
-    src/core/channel/channel_args.c \
-    src/core/channel/channel_stack.c \
-    src/core/channel/client_channel.c \
-    src/core/channel/client_uchannel.c \
-    src/core/channel/compress_filter.c \
-    src/core/channel/connected_channel.c \
-    src/core/channel/http_client_filter.c \
-    src/core/channel/http_server_filter.c \
-    src/core/channel/subchannel_call_holder.c \
-    src/core/client_config/client_config.c \
-    src/core/client_config/connector.c \
-    src/core/client_config/default_initial_connect_string.c \
-    src/core/client_config/initial_connect_string.c \
-    src/core/client_config/lb_policies/load_balancer_api.c \
-    src/core/client_config/lb_policies/pick_first.c \
-    src/core/client_config/lb_policies/round_robin.c \
-    src/core/client_config/lb_policy.c \
-    src/core/client_config/lb_policy_factory.c \
-    src/core/client_config/lb_policy_registry.c \
-    src/core/client_config/resolver.c \
-    src/core/client_config/resolver_factory.c \
-    src/core/client_config/resolver_registry.c \
-    src/core/client_config/resolvers/dns_resolver.c \
-    src/core/client_config/resolvers/sockaddr_resolver.c \
-    src/core/client_config/subchannel.c \
-    src/core/client_config/subchannel_factory.c \
-    src/core/client_config/subchannel_index.c \
-    src/core/client_config/uri_parser.c \
-    src/core/compression/compression_algorithm.c \
-    src/core/compression/message_compress.c \
-    src/core/debug/trace.c \
-    src/core/httpcli/format_request.c \
-    src/core/httpcli/httpcli.c \
-    src/core/httpcli/parser.c \
-    src/core/iomgr/closure.c \
-    src/core/iomgr/endpoint.c \
-    src/core/iomgr/endpoint_pair_posix.c \
-    src/core/iomgr/endpoint_pair_windows.c \
-    src/core/iomgr/exec_ctx.c \
-    src/core/iomgr/executor.c \
-    src/core/iomgr/fd_posix.c \
-    src/core/iomgr/iocp_windows.c \
-    src/core/iomgr/iomgr.c \
-    src/core/iomgr/iomgr_posix.c \
-    src/core/iomgr/iomgr_windows.c \
-    src/core/iomgr/pollset_multipoller_with_epoll.c \
-    src/core/iomgr/pollset_multipoller_with_poll_posix.c \
-    src/core/iomgr/pollset_posix.c \
-    src/core/iomgr/pollset_set_posix.c \
-    src/core/iomgr/pollset_set_windows.c \
-    src/core/iomgr/pollset_windows.c \
-    src/core/iomgr/resolve_address_posix.c \
-    src/core/iomgr/resolve_address_windows.c \
-    src/core/iomgr/sockaddr_utils.c \
-    src/core/iomgr/socket_utils_common_posix.c \
-    src/core/iomgr/socket_utils_linux.c \
-    src/core/iomgr/socket_utils_posix.c \
-    src/core/iomgr/socket_windows.c \
-    src/core/iomgr/tcp_client_posix.c \
-    src/core/iomgr/tcp_client_windows.c \
-    src/core/iomgr/tcp_posix.c \
-    src/core/iomgr/tcp_server_posix.c \
-    src/core/iomgr/tcp_server_windows.c \
-    src/core/iomgr/tcp_windows.c \
-    src/core/iomgr/time_averaged_stats.c \
-    src/core/iomgr/timer.c \
-    src/core/iomgr/timer_heap.c \
-    src/core/iomgr/udp_server.c \
-    src/core/iomgr/wakeup_fd_eventfd.c \
-    src/core/iomgr/wakeup_fd_nospecial.c \
-    src/core/iomgr/wakeup_fd_pipe.c \
-    src/core/iomgr/wakeup_fd_posix.c \
-    src/core/iomgr/workqueue_posix.c \
-    src/core/iomgr/workqueue_windows.c \
-    src/core/json/json.c \
-    src/core/json/json_reader.c \
-    src/core/json/json_string.c \
-    src/core/json/json_writer.c \
-    src/core/proto/grpc/lb/v0/load_balancer.pb.c \
-    src/core/surface/alarm.c \
-    src/core/surface/api_trace.c \
-    src/core/surface/byte_buffer.c \
-    src/core/surface/byte_buffer_reader.c \
-    src/core/surface/call.c \
-    src/core/surface/call_details.c \
-    src/core/surface/call_log_batch.c \
-    src/core/surface/channel.c \
-    src/core/surface/channel_connectivity.c \
-    src/core/surface/channel_create.c \
-    src/core/surface/channel_ping.c \
-    src/core/surface/completion_queue.c \
-    src/core/surface/event_string.c \
-    src/core/surface/init.c \
-    src/core/surface/lame_client.c \
-    src/core/surface/metadata_array.c \
-    src/core/surface/server.c \
-    src/core/surface/server_chttp2.c \
-    src/core/surface/server_create.c \
-    src/core/surface/validate_metadata.c \
-    src/core/surface/version.c \
-    src/core/transport/byte_stream.c \
-    src/core/transport/chttp2/alpn.c \
-    src/core/transport/chttp2/bin_encoder.c \
-    src/core/transport/chttp2/frame_data.c \
-    src/core/transport/chttp2/frame_goaway.c \
-    src/core/transport/chttp2/frame_ping.c \
-    src/core/transport/chttp2/frame_rst_stream.c \
-    src/core/transport/chttp2/frame_settings.c \
-    src/core/transport/chttp2/frame_window_update.c \
-    src/core/transport/chttp2/hpack_encoder.c \
-    src/core/transport/chttp2/hpack_parser.c \
-    src/core/transport/chttp2/hpack_table.c \
-    src/core/transport/chttp2/huffsyms.c \
-    src/core/transport/chttp2/incoming_metadata.c \
-    src/core/transport/chttp2/parsing.c \
-    src/core/transport/chttp2/status_conversion.c \
-    src/core/transport/chttp2/stream_lists.c \
-    src/core/transport/chttp2/stream_map.c \
-    src/core/transport/chttp2/timeout_encoding.c \
-    src/core/transport/chttp2/varint.c \
-    src/core/transport/chttp2/writing.c \
-    src/core/transport/chttp2_transport.c \
-    src/core/transport/connectivity_state.c \
-    src/core/transport/metadata.c \
-    src/core/transport/metadata_batch.c \
-    src/core/transport/static_metadata.c \
-    src/core/transport/transport.c \
-    src/core/transport/transport_op_string.c \
-    src/core/httpcli/httpcli_security_connector.c \
-    src/core/security/b64.c \
-    src/core/security/client_auth_filter.c \
-    src/core/security/credentials.c \
-    src/core/security/credentials_metadata.c \
-    src/core/security/credentials_posix.c \
-    src/core/security/credentials_win32.c \
-    src/core/security/google_default_credentials.c \
-    src/core/security/handshake.c \
-    src/core/security/json_token.c \
-    src/core/security/jwt_verifier.c \
-    src/core/security/secure_endpoint.c \
-    src/core/security/security_connector.c \
-    src/core/security/security_context.c \
-    src/core/security/server_auth_filter.c \
-    src/core/security/server_secure_chttp2.c \
-    src/core/surface/init_secure.c \
-    src/core/surface/secure_channel_create.c \
-    src/core/tsi/fake_transport_security.c \
-    src/core/tsi/ssl_transport_security.c \
-    src/core/tsi/transport_security.c \
-    src/core/census/context.c \
-    src/core/census/initialize.c \
-    src/core/census/mlog.c \
-    src/core/census/operation.c \
-    src/core/census/placeholders.c \
-    src/core/census/tracing.c \
+    src/core/lib/surface/init.c \
+    src/core/lib/channel/channel_args.c \
+    src/core/lib/channel/channel_stack.c \
+    src/core/lib/channel/channel_stack_builder.c \
+    src/core/lib/channel/compress_filter.c \
+    src/core/lib/channel/connected_channel.c \
+    src/core/lib/channel/http_client_filter.c \
+    src/core/lib/channel/http_server_filter.c \
+    src/core/lib/compression/compression_algorithm.c \
+    src/core/lib/compression/message_compress.c \
+    src/core/lib/debug/trace.c \
+    src/core/lib/http/format_request.c \
+    src/core/lib/http/httpcli.c \
+    src/core/lib/http/parser.c \
+    src/core/lib/iomgr/closure.c \
+    src/core/lib/iomgr/endpoint.c \
+    src/core/lib/iomgr/endpoint_pair_posix.c \
+    src/core/lib/iomgr/endpoint_pair_windows.c \
+    src/core/lib/iomgr/ev_poll_and_epoll_posix.c \
+    src/core/lib/iomgr/ev_posix.c \
+    src/core/lib/iomgr/exec_ctx.c \
+    src/core/lib/iomgr/executor.c \
+    src/core/lib/iomgr/iocp_windows.c \
+    src/core/lib/iomgr/iomgr.c \
+    src/core/lib/iomgr/iomgr_posix.c \
+    src/core/lib/iomgr/iomgr_windows.c \
+    src/core/lib/iomgr/pollset_set_windows.c \
+    src/core/lib/iomgr/pollset_windows.c \
+    src/core/lib/iomgr/resolve_address_posix.c \
+    src/core/lib/iomgr/resolve_address_windows.c \
+    src/core/lib/iomgr/sockaddr_utils.c \
+    src/core/lib/iomgr/socket_utils_common_posix.c \
+    src/core/lib/iomgr/socket_utils_linux.c \
+    src/core/lib/iomgr/socket_utils_posix.c \
+    src/core/lib/iomgr/socket_windows.c \
+    src/core/lib/iomgr/tcp_client_posix.c \
+    src/core/lib/iomgr/tcp_client_windows.c \
+    src/core/lib/iomgr/tcp_posix.c \
+    src/core/lib/iomgr/tcp_server_posix.c \
+    src/core/lib/iomgr/tcp_server_windows.c \
+    src/core/lib/iomgr/tcp_windows.c \
+    src/core/lib/iomgr/time_averaged_stats.c \
+    src/core/lib/iomgr/timer.c \
+    src/core/lib/iomgr/timer_heap.c \
+    src/core/lib/iomgr/udp_server.c \
+    src/core/lib/iomgr/unix_sockets_posix.c \
+    src/core/lib/iomgr/unix_sockets_posix_noop.c \
+    src/core/lib/iomgr/wakeup_fd_eventfd.c \
+    src/core/lib/iomgr/wakeup_fd_nospecial.c \
+    src/core/lib/iomgr/wakeup_fd_pipe.c \
+    src/core/lib/iomgr/wakeup_fd_posix.c \
+    src/core/lib/iomgr/workqueue_posix.c \
+    src/core/lib/iomgr/workqueue_windows.c \
+    src/core/lib/json/json.c \
+    src/core/lib/json/json_reader.c \
+    src/core/lib/json/json_string.c \
+    src/core/lib/json/json_writer.c \
+    src/core/lib/surface/alarm.c \
+    src/core/lib/surface/api_trace.c \
+    src/core/lib/surface/byte_buffer.c \
+    src/core/lib/surface/byte_buffer_reader.c \
+    src/core/lib/surface/call.c \
+    src/core/lib/surface/call_details.c \
+    src/core/lib/surface/call_log_batch.c \
+    src/core/lib/surface/channel.c \
+    src/core/lib/surface/channel_init.c \
+    src/core/lib/surface/channel_ping.c \
+    src/core/lib/surface/channel_stack_type.c \
+    src/core/lib/surface/completion_queue.c \
+    src/core/lib/surface/event_string.c \
+    src/core/lib/surface/lame_client.c \
+    src/core/lib/surface/metadata_array.c \
+    src/core/lib/surface/server.c \
+    src/core/lib/surface/validate_metadata.c \
+    src/core/lib/surface/version.c \
+    src/core/lib/transport/byte_stream.c \
+    src/core/lib/transport/connectivity_state.c \
+    src/core/lib/transport/metadata.c \
+    src/core/lib/transport/metadata_batch.c \
+    src/core/lib/transport/static_metadata.c \
+    src/core/lib/transport/transport.c \
+    src/core/lib/transport/transport_op_string.c \
+    src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c \
+    src/core/ext/transport/chttp2/transport/bin_encoder.c \
+    src/core/ext/transport/chttp2/transport/chttp2_plugin.c \
+    src/core/ext/transport/chttp2/transport/chttp2_transport.c \
+    src/core/ext/transport/chttp2/transport/frame_data.c \
+    src/core/ext/transport/chttp2/transport/frame_goaway.c \
+    src/core/ext/transport/chttp2/transport/frame_ping.c \
+    src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
+    src/core/ext/transport/chttp2/transport/frame_settings.c \
+    src/core/ext/transport/chttp2/transport/frame_window_update.c \
+    src/core/ext/transport/chttp2/transport/hpack_encoder.c \
+    src/core/ext/transport/chttp2/transport/hpack_parser.c \
+    src/core/ext/transport/chttp2/transport/hpack_table.c \
+    src/core/ext/transport/chttp2/transport/huffsyms.c \
+    src/core/ext/transport/chttp2/transport/incoming_metadata.c \
+    src/core/ext/transport/chttp2/transport/parsing.c \
+    src/core/ext/transport/chttp2/transport/status_conversion.c \
+    src/core/ext/transport/chttp2/transport/stream_lists.c \
+    src/core/ext/transport/chttp2/transport/stream_map.c \
+    src/core/ext/transport/chttp2/transport/timeout_encoding.c \
+    src/core/ext/transport/chttp2/transport/varint.c \
+    src/core/ext/transport/chttp2/transport/writing.c \
+    src/core/ext/transport/chttp2/alpn/alpn.c \
+    src/core/lib/http/httpcli_security_connector.c \
+    src/core/lib/security/b64.c \
+    src/core/lib/security/client_auth_filter.c \
+    src/core/lib/security/credentials.c \
+    src/core/lib/security/credentials_metadata.c \
+    src/core/lib/security/credentials_posix.c \
+    src/core/lib/security/credentials_win32.c \
+    src/core/lib/security/google_default_credentials.c \
+    src/core/lib/security/handshake.c \
+    src/core/lib/security/json_token.c \
+    src/core/lib/security/jwt_verifier.c \
+    src/core/lib/security/secure_endpoint.c \
+    src/core/lib/security/security_connector.c \
+    src/core/lib/security/security_context.c \
+    src/core/lib/security/server_auth_filter.c \
+    src/core/lib/surface/init_secure.c \
+    src/core/lib/tsi/fake_transport_security.c \
+    src/core/lib/tsi/ssl_transport_security.c \
+    src/core/lib/tsi/transport_security.c \
+    src/core/ext/transport/chttp2/client/secure/secure_channel_create.c \
+    src/core/ext/client_config/channel_connectivity.c \
+    src/core/ext/client_config/client_channel.c \
+    src/core/ext/client_config/client_channel_factory.c \
+    src/core/ext/client_config/client_config.c \
+    src/core/ext/client_config/client_config_plugin.c \
+    src/core/ext/client_config/connector.c \
+    src/core/ext/client_config/default_initial_connect_string.c \
+    src/core/ext/client_config/initial_connect_string.c \
+    src/core/ext/client_config/lb_policy.c \
+    src/core/ext/client_config/lb_policy_factory.c \
+    src/core/ext/client_config/lb_policy_registry.c \
+    src/core/ext/client_config/parse_address.c \
+    src/core/ext/client_config/resolver.c \
+    src/core/ext/client_config/resolver_factory.c \
+    src/core/ext/client_config/resolver_registry.c \
+    src/core/ext/client_config/subchannel.c \
+    src/core/ext/client_config/subchannel_call_holder.c \
+    src/core/ext/client_config/subchannel_index.c \
+    src/core/ext/client_config/uri_parser.c \
+    src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+    src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+    src/core/ext/lb_policy/grpclb/load_balancer_api.c \
+    src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
     third_party/nanopb/pb_common.c \
     third_party/nanopb/pb_decode.c \
     third_party/nanopb/pb_encode.c \
+    src/core/ext/lb_policy/pick_first/pick_first.c \
+    src/core/ext/lb_policy/round_robin/round_robin.c \
+    src/core/ext/resolver/dns/native/dns_resolver.c \
+    src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
+    src/core/ext/census/context.c \
+    src/core/ext/census/grpc_context.c \
+    src/core/ext/census/grpc_filter.c \
+    src/core/ext/census/grpc_plugin.c \
+    src/core/ext/census/initialize.c \
+    src/core/ext/census/mlog.c \
+    src/core/ext/census/operation.c \
+    src/core/ext/census/placeholders.c \
+    src/core/ext/census/tracing.c \
+    src/core/plugin_registry/grpc_plugin_registry.c \
 
 PUBLIC_HEADERS_C += \
-    include/grpc/grpc_security.h \
     include/grpc/byte_buffer.h \
     include/grpc/byte_buffer_reader.h \
     include/grpc/compression.h \
@@ -2575,6 +2653,22 @@ PUBLIC_HEADERS_C += \
     include/grpc/impl/codegen/grpc_types.h \
     include/grpc/impl/codegen/propagation_bits.h \
     include/grpc/impl/codegen/status.h \
+    include/grpc/impl/codegen/alloc.h \
+    include/grpc/impl/codegen/atm.h \
+    include/grpc/impl/codegen/atm_gcc_atomic.h \
+    include/grpc/impl/codegen/atm_gcc_sync.h \
+    include/grpc/impl/codegen/atm_win32.h \
+    include/grpc/impl/codegen/log.h \
+    include/grpc/impl/codegen/port_platform.h \
+    include/grpc/impl/codegen/slice.h \
+    include/grpc/impl/codegen/slice_buffer.h \
+    include/grpc/impl/codegen/sync.h \
+    include/grpc/impl/codegen/sync_generic.h \
+    include/grpc/impl/codegen/sync_posix.h \
+    include/grpc/impl/codegen/sync_win32.h \
+    include/grpc/impl/codegen/time.h \
+    include/grpc/grpc_security.h \
+    include/grpc/grpc_security_constants.h \
     include/grpc/census.h \
 
 LIBGRPC_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_SRC))))
@@ -2629,51 +2723,8 @@ endif
 endif
 
 
-LIBGRPC_CODEGEN_LIB_SRC = \
-
-PUBLIC_HEADERS_C += \
-    include/grpc/impl/codegen/alloc.h \
-    include/grpc/impl/codegen/atm.h \
-    include/grpc/impl/codegen/atm_gcc_atomic.h \
-    include/grpc/impl/codegen/atm_gcc_sync.h \
-    include/grpc/impl/codegen/atm_win32.h \
-    include/grpc/impl/codegen/log.h \
-    include/grpc/impl/codegen/port_platform.h \
-    include/grpc/impl/codegen/slice.h \
-    include/grpc/impl/codegen/slice_buffer.h \
-    include/grpc/impl/codegen/sync.h \
-    include/grpc/impl/codegen/sync_generic.h \
-    include/grpc/impl/codegen/sync_posix.h \
-    include/grpc/impl/codegen/sync_win32.h \
-    include/grpc/impl/codegen/time.h \
-    include/grpc/impl/codegen/byte_buffer.h \
-    include/grpc/impl/codegen/compression_types.h \
-    include/grpc/impl/codegen/connectivity_state.h \
-    include/grpc/impl/codegen/grpc_types.h \
-    include/grpc/impl/codegen/propagation_bits.h \
-    include/grpc/impl/codegen/status.h \
-
-LIBGRPC_CODEGEN_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_CODEGEN_LIB_SRC))))
-
-
-$(LIBDIR)/$(CONFIG)/libgrpc_codegen_lib.a: $(ZLIB_DEP)  $(LIBGRPC_CODEGEN_LIB_OBJS) 
-	$(E) "[AR]      Creating $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc_codegen_lib.a
-	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc_codegen_lib.a $(LIBGRPC_CODEGEN_LIB_OBJS) 
-ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc_codegen_lib.a
-endif
-
-
-
-
-ifneq ($(NO_DEPS),true)
--include $(LIBGRPC_CODEGEN_LIB_OBJS:.o=.dep)
-endif
-
-
 LIBGRPC_TEST_UTIL_SRC = \
+    test/core/end2end/data/client_certs.c \
     test/core/end2end/data/server1_cert.c \
     test/core/end2end/data/server1_key.c \
     test/core/end2end/data/test_root_cert.c \
@@ -2682,8 +2733,12 @@ LIBGRPC_TEST_UTIL_SRC = \
     test/core/end2end/fixtures/proxy.c \
     test/core/iomgr/endpoint_tests.c \
     test/core/util/grpc_profiler.c \
+    test/core/util/memory_counters.c \
+    test/core/util/mock_endpoint.c \
     test/core/util/parse_hexstring.c \
+    test/core/util/passthru_endpoint.c \
     test/core/util/port_posix.c \
+    test/core/util/port_server_client.c \
     test/core/util/port_windows.c \
     test/core/util/slice_splitter.c \
 
@@ -2728,8 +2783,12 @@ LIBGRPC_TEST_UTIL_UNSECURE_SRC = \
     test/core/end2end/fixtures/proxy.c \
     test/core/iomgr/endpoint_tests.c \
     test/core/util/grpc_profiler.c \
+    test/core/util/memory_counters.c \
+    test/core/util/mock_endpoint.c \
     test/core/util/parse_hexstring.c \
+    test/core/util/passthru_endpoint.c \
     test/core/util/port_posix.c \
+    test/core/util/port_server_client.c \
     test/core/util/port_windows.c \
     test/core/util/slice_splitter.c \
 
@@ -2756,146 +2815,151 @@ endif
 
 
 LIBGRPC_UNSECURE_SRC = \
-    src/core/surface/init_unsecure.c \
-    src/core/census/grpc_context.c \
-    src/core/census/grpc_filter.c \
-    src/core/channel/channel_args.c \
-    src/core/channel/channel_stack.c \
-    src/core/channel/client_channel.c \
-    src/core/channel/client_uchannel.c \
-    src/core/channel/compress_filter.c \
-    src/core/channel/connected_channel.c \
-    src/core/channel/http_client_filter.c \
-    src/core/channel/http_server_filter.c \
-    src/core/channel/subchannel_call_holder.c \
-    src/core/client_config/client_config.c \
-    src/core/client_config/connector.c \
-    src/core/client_config/default_initial_connect_string.c \
-    src/core/client_config/initial_connect_string.c \
-    src/core/client_config/lb_policies/load_balancer_api.c \
-    src/core/client_config/lb_policies/pick_first.c \
-    src/core/client_config/lb_policies/round_robin.c \
-    src/core/client_config/lb_policy.c \
-    src/core/client_config/lb_policy_factory.c \
-    src/core/client_config/lb_policy_registry.c \
-    src/core/client_config/resolver.c \
-    src/core/client_config/resolver_factory.c \
-    src/core/client_config/resolver_registry.c \
-    src/core/client_config/resolvers/dns_resolver.c \
-    src/core/client_config/resolvers/sockaddr_resolver.c \
-    src/core/client_config/subchannel.c \
-    src/core/client_config/subchannel_factory.c \
-    src/core/client_config/subchannel_index.c \
-    src/core/client_config/uri_parser.c \
-    src/core/compression/compression_algorithm.c \
-    src/core/compression/message_compress.c \
-    src/core/debug/trace.c \
-    src/core/httpcli/format_request.c \
-    src/core/httpcli/httpcli.c \
-    src/core/httpcli/parser.c \
-    src/core/iomgr/closure.c \
-    src/core/iomgr/endpoint.c \
-    src/core/iomgr/endpoint_pair_posix.c \
-    src/core/iomgr/endpoint_pair_windows.c \
-    src/core/iomgr/exec_ctx.c \
-    src/core/iomgr/executor.c \
-    src/core/iomgr/fd_posix.c \
-    src/core/iomgr/iocp_windows.c \
-    src/core/iomgr/iomgr.c \
-    src/core/iomgr/iomgr_posix.c \
-    src/core/iomgr/iomgr_windows.c \
-    src/core/iomgr/pollset_multipoller_with_epoll.c \
-    src/core/iomgr/pollset_multipoller_with_poll_posix.c \
-    src/core/iomgr/pollset_posix.c \
-    src/core/iomgr/pollset_set_posix.c \
-    src/core/iomgr/pollset_set_windows.c \
-    src/core/iomgr/pollset_windows.c \
-    src/core/iomgr/resolve_address_posix.c \
-    src/core/iomgr/resolve_address_windows.c \
-    src/core/iomgr/sockaddr_utils.c \
-    src/core/iomgr/socket_utils_common_posix.c \
-    src/core/iomgr/socket_utils_linux.c \
-    src/core/iomgr/socket_utils_posix.c \
-    src/core/iomgr/socket_windows.c \
-    src/core/iomgr/tcp_client_posix.c \
-    src/core/iomgr/tcp_client_windows.c \
-    src/core/iomgr/tcp_posix.c \
-    src/core/iomgr/tcp_server_posix.c \
-    src/core/iomgr/tcp_server_windows.c \
-    src/core/iomgr/tcp_windows.c \
-    src/core/iomgr/time_averaged_stats.c \
-    src/core/iomgr/timer.c \
-    src/core/iomgr/timer_heap.c \
-    src/core/iomgr/udp_server.c \
-    src/core/iomgr/wakeup_fd_eventfd.c \
-    src/core/iomgr/wakeup_fd_nospecial.c \
-    src/core/iomgr/wakeup_fd_pipe.c \
-    src/core/iomgr/wakeup_fd_posix.c \
-    src/core/iomgr/workqueue_posix.c \
-    src/core/iomgr/workqueue_windows.c \
-    src/core/json/json.c \
-    src/core/json/json_reader.c \
-    src/core/json/json_string.c \
-    src/core/json/json_writer.c \
-    src/core/proto/grpc/lb/v0/load_balancer.pb.c \
-    src/core/surface/alarm.c \
-    src/core/surface/api_trace.c \
-    src/core/surface/byte_buffer.c \
-    src/core/surface/byte_buffer_reader.c \
-    src/core/surface/call.c \
-    src/core/surface/call_details.c \
-    src/core/surface/call_log_batch.c \
-    src/core/surface/channel.c \
-    src/core/surface/channel_connectivity.c \
-    src/core/surface/channel_create.c \
-    src/core/surface/channel_ping.c \
-    src/core/surface/completion_queue.c \
-    src/core/surface/event_string.c \
-    src/core/surface/init.c \
-    src/core/surface/lame_client.c \
-    src/core/surface/metadata_array.c \
-    src/core/surface/server.c \
-    src/core/surface/server_chttp2.c \
-    src/core/surface/server_create.c \
-    src/core/surface/validate_metadata.c \
-    src/core/surface/version.c \
-    src/core/transport/byte_stream.c \
-    src/core/transport/chttp2/alpn.c \
-    src/core/transport/chttp2/bin_encoder.c \
-    src/core/transport/chttp2/frame_data.c \
-    src/core/transport/chttp2/frame_goaway.c \
-    src/core/transport/chttp2/frame_ping.c \
-    src/core/transport/chttp2/frame_rst_stream.c \
-    src/core/transport/chttp2/frame_settings.c \
-    src/core/transport/chttp2/frame_window_update.c \
-    src/core/transport/chttp2/hpack_encoder.c \
-    src/core/transport/chttp2/hpack_parser.c \
-    src/core/transport/chttp2/hpack_table.c \
-    src/core/transport/chttp2/huffsyms.c \
-    src/core/transport/chttp2/incoming_metadata.c \
-    src/core/transport/chttp2/parsing.c \
-    src/core/transport/chttp2/status_conversion.c \
-    src/core/transport/chttp2/stream_lists.c \
-    src/core/transport/chttp2/stream_map.c \
-    src/core/transport/chttp2/timeout_encoding.c \
-    src/core/transport/chttp2/varint.c \
-    src/core/transport/chttp2/writing.c \
-    src/core/transport/chttp2_transport.c \
-    src/core/transport/connectivity_state.c \
-    src/core/transport/metadata.c \
-    src/core/transport/metadata_batch.c \
-    src/core/transport/static_metadata.c \
-    src/core/transport/transport.c \
-    src/core/transport/transport_op_string.c \
-    src/core/census/context.c \
-    src/core/census/initialize.c \
-    src/core/census/mlog.c \
-    src/core/census/operation.c \
-    src/core/census/placeholders.c \
-    src/core/census/tracing.c \
+    src/core/lib/surface/init.c \
+    src/core/lib/surface/init_unsecure.c \
+    src/core/lib/channel/channel_args.c \
+    src/core/lib/channel/channel_stack.c \
+    src/core/lib/channel/channel_stack_builder.c \
+    src/core/lib/channel/compress_filter.c \
+    src/core/lib/channel/connected_channel.c \
+    src/core/lib/channel/http_client_filter.c \
+    src/core/lib/channel/http_server_filter.c \
+    src/core/lib/compression/compression_algorithm.c \
+    src/core/lib/compression/message_compress.c \
+    src/core/lib/debug/trace.c \
+    src/core/lib/http/format_request.c \
+    src/core/lib/http/httpcli.c \
+    src/core/lib/http/parser.c \
+    src/core/lib/iomgr/closure.c \
+    src/core/lib/iomgr/endpoint.c \
+    src/core/lib/iomgr/endpoint_pair_posix.c \
+    src/core/lib/iomgr/endpoint_pair_windows.c \
+    src/core/lib/iomgr/ev_poll_and_epoll_posix.c \
+    src/core/lib/iomgr/ev_posix.c \
+    src/core/lib/iomgr/exec_ctx.c \
+    src/core/lib/iomgr/executor.c \
+    src/core/lib/iomgr/iocp_windows.c \
+    src/core/lib/iomgr/iomgr.c \
+    src/core/lib/iomgr/iomgr_posix.c \
+    src/core/lib/iomgr/iomgr_windows.c \
+    src/core/lib/iomgr/pollset_set_windows.c \
+    src/core/lib/iomgr/pollset_windows.c \
+    src/core/lib/iomgr/resolve_address_posix.c \
+    src/core/lib/iomgr/resolve_address_windows.c \
+    src/core/lib/iomgr/sockaddr_utils.c \
+    src/core/lib/iomgr/socket_utils_common_posix.c \
+    src/core/lib/iomgr/socket_utils_linux.c \
+    src/core/lib/iomgr/socket_utils_posix.c \
+    src/core/lib/iomgr/socket_windows.c \
+    src/core/lib/iomgr/tcp_client_posix.c \
+    src/core/lib/iomgr/tcp_client_windows.c \
+    src/core/lib/iomgr/tcp_posix.c \
+    src/core/lib/iomgr/tcp_server_posix.c \
+    src/core/lib/iomgr/tcp_server_windows.c \
+    src/core/lib/iomgr/tcp_windows.c \
+    src/core/lib/iomgr/time_averaged_stats.c \
+    src/core/lib/iomgr/timer.c \
+    src/core/lib/iomgr/timer_heap.c \
+    src/core/lib/iomgr/udp_server.c \
+    src/core/lib/iomgr/unix_sockets_posix.c \
+    src/core/lib/iomgr/unix_sockets_posix_noop.c \
+    src/core/lib/iomgr/wakeup_fd_eventfd.c \
+    src/core/lib/iomgr/wakeup_fd_nospecial.c \
+    src/core/lib/iomgr/wakeup_fd_pipe.c \
+    src/core/lib/iomgr/wakeup_fd_posix.c \
+    src/core/lib/iomgr/workqueue_posix.c \
+    src/core/lib/iomgr/workqueue_windows.c \
+    src/core/lib/json/json.c \
+    src/core/lib/json/json_reader.c \
+    src/core/lib/json/json_string.c \
+    src/core/lib/json/json_writer.c \
+    src/core/lib/surface/alarm.c \
+    src/core/lib/surface/api_trace.c \
+    src/core/lib/surface/byte_buffer.c \
+    src/core/lib/surface/byte_buffer_reader.c \
+    src/core/lib/surface/call.c \
+    src/core/lib/surface/call_details.c \
+    src/core/lib/surface/call_log_batch.c \
+    src/core/lib/surface/channel.c \
+    src/core/lib/surface/channel_init.c \
+    src/core/lib/surface/channel_ping.c \
+    src/core/lib/surface/channel_stack_type.c \
+    src/core/lib/surface/completion_queue.c \
+    src/core/lib/surface/event_string.c \
+    src/core/lib/surface/lame_client.c \
+    src/core/lib/surface/metadata_array.c \
+    src/core/lib/surface/server.c \
+    src/core/lib/surface/validate_metadata.c \
+    src/core/lib/surface/version.c \
+    src/core/lib/transport/byte_stream.c \
+    src/core/lib/transport/connectivity_state.c \
+    src/core/lib/transport/metadata.c \
+    src/core/lib/transport/metadata_batch.c \
+    src/core/lib/transport/static_metadata.c \
+    src/core/lib/transport/transport.c \
+    src/core/lib/transport/transport_op_string.c \
+    src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+    src/core/ext/transport/chttp2/transport/bin_encoder.c \
+    src/core/ext/transport/chttp2/transport/chttp2_plugin.c \
+    src/core/ext/transport/chttp2/transport/chttp2_transport.c \
+    src/core/ext/transport/chttp2/transport/frame_data.c \
+    src/core/ext/transport/chttp2/transport/frame_goaway.c \
+    src/core/ext/transport/chttp2/transport/frame_ping.c \
+    src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
+    src/core/ext/transport/chttp2/transport/frame_settings.c \
+    src/core/ext/transport/chttp2/transport/frame_window_update.c \
+    src/core/ext/transport/chttp2/transport/hpack_encoder.c \
+    src/core/ext/transport/chttp2/transport/hpack_parser.c \
+    src/core/ext/transport/chttp2/transport/hpack_table.c \
+    src/core/ext/transport/chttp2/transport/huffsyms.c \
+    src/core/ext/transport/chttp2/transport/incoming_metadata.c \
+    src/core/ext/transport/chttp2/transport/parsing.c \
+    src/core/ext/transport/chttp2/transport/status_conversion.c \
+    src/core/ext/transport/chttp2/transport/stream_lists.c \
+    src/core/ext/transport/chttp2/transport/stream_map.c \
+    src/core/ext/transport/chttp2/transport/timeout_encoding.c \
+    src/core/ext/transport/chttp2/transport/varint.c \
+    src/core/ext/transport/chttp2/transport/writing.c \
+    src/core/ext/transport/chttp2/alpn/alpn.c \
+    src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+    src/core/ext/client_config/channel_connectivity.c \
+    src/core/ext/client_config/client_channel.c \
+    src/core/ext/client_config/client_channel_factory.c \
+    src/core/ext/client_config/client_config.c \
+    src/core/ext/client_config/client_config_plugin.c \
+    src/core/ext/client_config/connector.c \
+    src/core/ext/client_config/default_initial_connect_string.c \
+    src/core/ext/client_config/initial_connect_string.c \
+    src/core/ext/client_config/lb_policy.c \
+    src/core/ext/client_config/lb_policy_factory.c \
+    src/core/ext/client_config/lb_policy_registry.c \
+    src/core/ext/client_config/parse_address.c \
+    src/core/ext/client_config/resolver.c \
+    src/core/ext/client_config/resolver_factory.c \
+    src/core/ext/client_config/resolver_registry.c \
+    src/core/ext/client_config/subchannel.c \
+    src/core/ext/client_config/subchannel_call_holder.c \
+    src/core/ext/client_config/subchannel_index.c \
+    src/core/ext/client_config/uri_parser.c \
+    src/core/ext/resolver/dns/native/dns_resolver.c \
+    src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
+    src/core/ext/lb_policy/grpclb/load_balancer_api.c \
+    src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
     third_party/nanopb/pb_common.c \
     third_party/nanopb/pb_decode.c \
     third_party/nanopb/pb_encode.c \
+    src/core/ext/lb_policy/pick_first/pick_first.c \
+    src/core/ext/lb_policy/round_robin/round_robin.c \
+    src/core/ext/census/context.c \
+    src/core/ext/census/grpc_context.c \
+    src/core/ext/census/grpc_filter.c \
+    src/core/ext/census/grpc_plugin.c \
+    src/core/ext/census/initialize.c \
+    src/core/ext/census/mlog.c \
+    src/core/ext/census/operation.c \
+    src/core/ext/census/placeholders.c \
+    src/core/ext/census/tracing.c \
+    src/core/plugin_registry/grpc_unsecure_plugin_registry.c \
 
 PUBLIC_HEADERS_C += \
     include/grpc/byte_buffer.h \
@@ -2909,6 +2973,20 @@ PUBLIC_HEADERS_C += \
     include/grpc/impl/codegen/grpc_types.h \
     include/grpc/impl/codegen/propagation_bits.h \
     include/grpc/impl/codegen/status.h \
+    include/grpc/impl/codegen/alloc.h \
+    include/grpc/impl/codegen/atm.h \
+    include/grpc/impl/codegen/atm_gcc_atomic.h \
+    include/grpc/impl/codegen/atm_gcc_sync.h \
+    include/grpc/impl/codegen/atm_win32.h \
+    include/grpc/impl/codegen/log.h \
+    include/grpc/impl/codegen/port_platform.h \
+    include/grpc/impl/codegen/slice.h \
+    include/grpc/impl/codegen/slice_buffer.h \
+    include/grpc/impl/codegen/sync.h \
+    include/grpc/impl/codegen/sync_generic.h \
+    include/grpc/impl/codegen/sync_posix.h \
+    include/grpc/impl/codegen/sync_win32.h \
+    include/grpc/impl/codegen/time.h \
     include/grpc/census.h \
 
 LIBGRPC_UNSECURE_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_UNSECURE_SRC))))
@@ -2949,7 +3027,7 @@ endif
 
 
 LIBGRPC_ZOOKEEPER_SRC = \
-    src/core/client_config/resolvers/zookeeper_resolver.c \
+    src/core/ext/resolver/zookeeper/zookeeper_resolver.c \
 
 PUBLIC_HEADERS_C += \
     include/grpc/grpc_zookeeper.h \
@@ -2994,6 +3072,7 @@ endif
 LIBRECONNECT_SERVER_SRC = \
     test/core/util/reconnect_server.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBRECONNECT_SERVER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBRECONNECT_SERVER_SRC))))
 
@@ -3032,6 +3111,7 @@ endif
 LIBTEST_TCP_SERVER_SRC = \
     test/core/util/test_tcp_server.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBTEST_TCP_SERVER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBTEST_TCP_SERVER_SRC))))
 
@@ -3136,8 +3216,6 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/support/async_unary_call.h \
     include/grpc++/support/byte_buffer.h \
     include/grpc++/support/channel_arguments.h \
-    include/grpc++/support/config.h \
-    include/grpc++/support/config_protobuf.h \
     include/grpc++/support/slice.h \
     include/grpc++/support/status.h \
     include/grpc++/support/status_code_enum.h \
@@ -3154,9 +3232,8 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/impl/codegen/client_unary_call.h \
     include/grpc++/impl/codegen/completion_queue.h \
     include/grpc++/impl/codegen/completion_queue_tag.h \
-    include/grpc++/impl/codegen/config.h \
-    include/grpc++/impl/codegen/config_protobuf.h \
     include/grpc++/impl/codegen/core_codegen_interface.h \
+    include/grpc++/impl/codegen/create_auth_context.h \
     include/grpc++/impl/codegen/grpc_library.h \
     include/grpc++/impl/codegen/method_handler_impl.h \
     include/grpc++/impl/codegen/proto_utils.h \
@@ -3176,6 +3253,30 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/impl/codegen/sync_no_cxx11.h \
     include/grpc++/impl/codegen/sync_stream.h \
     include/grpc++/impl/codegen/time.h \
+    include/grpc/impl/codegen/byte_buffer.h \
+    include/grpc/impl/codegen/compression_types.h \
+    include/grpc/impl/codegen/connectivity_state.h \
+    include/grpc/impl/codegen/grpc_types.h \
+    include/grpc/impl/codegen/propagation_bits.h \
+    include/grpc/impl/codegen/status.h \
+    include/grpc/impl/codegen/alloc.h \
+    include/grpc/impl/codegen/atm.h \
+    include/grpc/impl/codegen/atm_gcc_atomic.h \
+    include/grpc/impl/codegen/atm_gcc_sync.h \
+    include/grpc/impl/codegen/atm_win32.h \
+    include/grpc/impl/codegen/log.h \
+    include/grpc/impl/codegen/port_platform.h \
+    include/grpc/impl/codegen/slice.h \
+    include/grpc/impl/codegen/slice_buffer.h \
+    include/grpc/impl/codegen/sync.h \
+    include/grpc/impl/codegen/sync_generic.h \
+    include/grpc/impl/codegen/sync_posix.h \
+    include/grpc/impl/codegen/sync_win32.h \
+    include/grpc/impl/codegen/time.h \
+    include/grpc++/impl/codegen/config.h \
+    include/grpc++/impl/codegen/config_protobuf.h \
+    include/grpc++/support/config.h \
+    include/grpc++/support/config_protobuf.h \
 
 LIBGRPC++_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_SRC))))
 
@@ -3240,96 +3341,10 @@ endif
 endif
 
 
-LIBGRPC++_CODEGEN_LIB_SRC = \
-    src/cpp/codegen/codegen_init.cc \
-
-PUBLIC_HEADERS_CXX += \
-    include/grpc/impl/codegen/alloc.h \
-    include/grpc/impl/codegen/atm.h \
-    include/grpc/impl/codegen/atm_gcc_atomic.h \
-    include/grpc/impl/codegen/atm_gcc_sync.h \
-    include/grpc/impl/codegen/atm_win32.h \
-    include/grpc/impl/codegen/log.h \
-    include/grpc/impl/codegen/port_platform.h \
-    include/grpc/impl/codegen/slice.h \
-    include/grpc/impl/codegen/slice_buffer.h \
-    include/grpc/impl/codegen/sync.h \
-    include/grpc/impl/codegen/sync_generic.h \
-    include/grpc/impl/codegen/sync_posix.h \
-    include/grpc/impl/codegen/sync_win32.h \
-    include/grpc/impl/codegen/time.h \
-    include/grpc/impl/codegen/byte_buffer.h \
-    include/grpc/impl/codegen/compression_types.h \
-    include/grpc/impl/codegen/connectivity_state.h \
-    include/grpc/impl/codegen/grpc_types.h \
-    include/grpc/impl/codegen/propagation_bits.h \
-    include/grpc/impl/codegen/status.h \
-    include/grpc++/impl/codegen/async_stream.h \
-    include/grpc++/impl/codegen/async_unary_call.h \
-    include/grpc++/impl/codegen/call.h \
-    include/grpc++/impl/codegen/call_hook.h \
-    include/grpc++/impl/codegen/channel_interface.h \
-    include/grpc++/impl/codegen/client_context.h \
-    include/grpc++/impl/codegen/client_unary_call.h \
-    include/grpc++/impl/codegen/completion_queue.h \
-    include/grpc++/impl/codegen/completion_queue_tag.h \
-    include/grpc++/impl/codegen/config.h \
-    include/grpc++/impl/codegen/config_protobuf.h \
-    include/grpc++/impl/codegen/core_codegen_interface.h \
-    include/grpc++/impl/codegen/grpc_library.h \
-    include/grpc++/impl/codegen/method_handler_impl.h \
-    include/grpc++/impl/codegen/proto_utils.h \
-    include/grpc++/impl/codegen/rpc_method.h \
-    include/grpc++/impl/codegen/rpc_service_method.h \
-    include/grpc++/impl/codegen/security/auth_context.h \
-    include/grpc++/impl/codegen/serialization_traits.h \
-    include/grpc++/impl/codegen/server_context.h \
-    include/grpc++/impl/codegen/server_interface.h \
-    include/grpc++/impl/codegen/service_type.h \
-    include/grpc++/impl/codegen/status.h \
-    include/grpc++/impl/codegen/status_code_enum.h \
-    include/grpc++/impl/codegen/string_ref.h \
-    include/grpc++/impl/codegen/stub_options.h \
-    include/grpc++/impl/codegen/sync.h \
-    include/grpc++/impl/codegen/sync_cxx11.h \
-    include/grpc++/impl/codegen/sync_no_cxx11.h \
-    include/grpc++/impl/codegen/sync_stream.h \
-    include/grpc++/impl/codegen/time.h \
-
-LIBGRPC++_CODEGEN_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_CODEGEN_LIB_SRC))))
-
-
-ifeq ($(NO_PROTOBUF),true)
-
-# You can't build a C++ library if you don't have protobuf - a bit overreached, but still okay.
-
-$(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a: protobuf_dep_error
-
-
-else
-
-$(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_CODEGEN_LIB_OBJS) 
-	$(E) "[AR]      Creating $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
-	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a $(LIBGRPC++_CODEGEN_LIB_OBJS) 
-ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
-endif
-
-
-
-
-endif
-
-ifneq ($(NO_DEPS),true)
--include $(LIBGRPC++_CODEGEN_LIB_OBJS:.o=.dep)
-endif
-
-
 LIBGRPC++_TEST_CONFIG_SRC = \
     test/cpp/util/test_config.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBGRPC++_TEST_CONFIG_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_TEST_CONFIG_SRC))))
 
@@ -3387,6 +3402,7 @@ LIBGRPC++_TEST_UTIL_SRC = \
     test/cpp/util/subprocess.cc \
     test/cpp/util/test_credentials_provider.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBGRPC++_TEST_UTIL_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_TEST_UTIL_SRC))))
 
@@ -3503,8 +3519,6 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/support/async_unary_call.h \
     include/grpc++/support/byte_buffer.h \
     include/grpc++/support/channel_arguments.h \
-    include/grpc++/support/config.h \
-    include/grpc++/support/config_protobuf.h \
     include/grpc++/support/slice.h \
     include/grpc++/support/status.h \
     include/grpc++/support/status_code_enum.h \
@@ -3521,9 +3535,8 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/impl/codegen/client_unary_call.h \
     include/grpc++/impl/codegen/completion_queue.h \
     include/grpc++/impl/codegen/completion_queue_tag.h \
-    include/grpc++/impl/codegen/config.h \
-    include/grpc++/impl/codegen/config_protobuf.h \
     include/grpc++/impl/codegen/core_codegen_interface.h \
+    include/grpc++/impl/codegen/create_auth_context.h \
     include/grpc++/impl/codegen/grpc_library.h \
     include/grpc++/impl/codegen/method_handler_impl.h \
     include/grpc++/impl/codegen/proto_utils.h \
@@ -3543,6 +3556,30 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/impl/codegen/sync_no_cxx11.h \
     include/grpc++/impl/codegen/sync_stream.h \
     include/grpc++/impl/codegen/time.h \
+    include/grpc/impl/codegen/byte_buffer.h \
+    include/grpc/impl/codegen/compression_types.h \
+    include/grpc/impl/codegen/connectivity_state.h \
+    include/grpc/impl/codegen/grpc_types.h \
+    include/grpc/impl/codegen/propagation_bits.h \
+    include/grpc/impl/codegen/status.h \
+    include/grpc/impl/codegen/alloc.h \
+    include/grpc/impl/codegen/atm.h \
+    include/grpc/impl/codegen/atm_gcc_atomic.h \
+    include/grpc/impl/codegen/atm_gcc_sync.h \
+    include/grpc/impl/codegen/atm_win32.h \
+    include/grpc/impl/codegen/log.h \
+    include/grpc/impl/codegen/port_platform.h \
+    include/grpc/impl/codegen/slice.h \
+    include/grpc/impl/codegen/slice_buffer.h \
+    include/grpc/impl/codegen/sync.h \
+    include/grpc/impl/codegen/sync_generic.h \
+    include/grpc/impl/codegen/sync_posix.h \
+    include/grpc/impl/codegen/sync_win32.h \
+    include/grpc/impl/codegen/time.h \
+    include/grpc++/impl/codegen/config.h \
+    include/grpc++/impl/codegen/config_protobuf.h \
+    include/grpc++/support/config.h \
+    include/grpc++/support/config_protobuf.h \
 
 LIBGRPC++_UNSECURE_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_UNSECURE_SRC))))
 
@@ -3569,18 +3606,18 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/gpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc_unsecure.$(SHARED_EXT)
+$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/gpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc_unsecure.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc.$(SHARED_EXT)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_unsecure.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr-imp -lgrpc_unsecure-imp
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_unsecure.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr-imp -lgrpc_unsecure-imp -lgrpc-imp
 else
-$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT)
+$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure -lgrpc
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_unsecure.so.0 -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_unsecure.so.0 -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure -lgrpc
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).so.0
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).so
 endif
@@ -3596,25 +3633,16 @@ endif
 LIBGRPC_PLUGIN_SUPPORT_SRC = \
     src/compiler/cpp_generator.cc \
     src/compiler/csharp_generator.cc \
+    src/compiler/node_generator.cc \
     src/compiler/objective_c_generator.cc \
     src/compiler/python_generator.cc \
     src/compiler/ruby_generator.cc \
 
 PUBLIC_HEADERS_CXX += \
-    include/grpc/impl/codegen/alloc.h \
-    include/grpc/impl/codegen/atm.h \
-    include/grpc/impl/codegen/atm_gcc_atomic.h \
-    include/grpc/impl/codegen/atm_gcc_sync.h \
-    include/grpc/impl/codegen/atm_win32.h \
-    include/grpc/impl/codegen/log.h \
-    include/grpc/impl/codegen/port_platform.h \
-    include/grpc/impl/codegen/slice.h \
-    include/grpc/impl/codegen/slice_buffer.h \
-    include/grpc/impl/codegen/sync.h \
-    include/grpc/impl/codegen/sync_generic.h \
-    include/grpc/impl/codegen/sync_posix.h \
-    include/grpc/impl/codegen/sync_win32.h \
-    include/grpc/impl/codegen/time.h \
+    include/grpc++/support/config.h \
+    include/grpc++/support/config_protobuf.h \
+    include/grpc++/impl/codegen/config.h \
+    include/grpc++/impl/codegen/config_protobuf.h \
 
 LIBGRPC_PLUGIN_SUPPORT_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_PLUGIN_SUPPORT_SRC))))
 
@@ -3651,6 +3679,7 @@ LIBINTEROP_CLIENT_HELPER_SRC = \
     $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc \
     test/cpp/interop/client_helper.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBINTEROP_CLIENT_HELPER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBINTEROP_CLIENT_HELPER_SRC))))
 
@@ -3704,6 +3733,7 @@ LIBINTEROP_CLIENT_MAIN_SRC = \
     test/cpp/interop/client.cc \
     test/cpp/interop/interop_client.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBINTEROP_CLIENT_MAIN_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBINTEROP_CLIENT_MAIN_SRC))))
 
@@ -3754,6 +3784,7 @@ $(OBJDIR)/$(CONFIG)/test/cpp/interop/interop_client.o: $(GENDIR)/src/proto/grpc/
 LIBINTEROP_SERVER_HELPER_SRC = \
     test/cpp/interop/server_helper.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBINTEROP_SERVER_HELPER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBINTEROP_SERVER_HELPER_SRC))))
 
@@ -3805,6 +3836,7 @@ LIBINTEROP_SERVER_MAIN_SRC = \
     $(GENDIR)/src/proto/grpc/testing/test.pb.cc $(GENDIR)/src/proto/grpc/testing/test.grpc.pb.cc \
     test/cpp/interop/server_main.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBINTEROP_SERVER_MAIN_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBINTEROP_SERVER_MAIN_SRC))))
 
@@ -3870,6 +3902,7 @@ LIBQPS_SRC = \
     test/cpp/qps/usage_timer.cc \
     test/cpp/util/benchmark_config.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBQPS_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBQPS_SRC))))
 
@@ -3929,6 +3962,7 @@ $(OBJDIR)/$(CONFIG)/test/cpp/util/benchmark_config.o: $(GENDIR)/src/proto/grpc/t
 LIBGRPC_CSHARP_EXT_SRC = \
     src/csharp/ext/grpc_csharp_ext.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBGRPC_CSHARP_EXT_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_CSHARP_EXT_SRC))))
 
@@ -4055,6 +4089,7 @@ LIBBORINGSSL_SRC = \
     third_party/boringssl/crypto/bn/shift.c \
     third_party/boringssl/crypto/bn/sqrt.c \
     third_party/boringssl/crypto/buf/buf.c \
+    third_party/boringssl/crypto/bytestring/asn1_compat.c \
     third_party/boringssl/crypto/bytestring/ber.c \
     third_party/boringssl/crypto/bytestring/cbb.c \
     third_party/boringssl/crypto/bytestring/cbs.c \
@@ -4078,6 +4113,7 @@ LIBBORINGSSL_SRC = \
     third_party/boringssl/crypto/cpu-intel.c \
     third_party/boringssl/crypto/crypto.c \
     third_party/boringssl/crypto/curve25519/curve25519.c \
+    third_party/boringssl/crypto/curve25519/x25519-x86_64.c \
     third_party/boringssl/crypto/des/des.c \
     third_party/boringssl/crypto/dh/check.c \
     third_party/boringssl/crypto/dh/dh.c \
@@ -4269,6 +4305,7 @@ LIBBORINGSSL_SRC = \
     third_party/boringssl/ssl/ssl_buffer.c \
     third_party/boringssl/ssl/ssl_cert.c \
     third_party/boringssl/ssl/ssl_cipher.c \
+    third_party/boringssl/ssl/ssl_ecdh.c \
     third_party/boringssl/ssl/ssl_file.c \
     third_party/boringssl/ssl/ssl_lib.c \
     third_party/boringssl/ssl/ssl_rsa.c \
@@ -4278,6 +4315,7 @@ LIBBORINGSSL_SRC = \
     third_party/boringssl/ssl/t1_lib.c \
     third_party/boringssl/ssl/tls_record.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_SRC))))
 
@@ -4306,6 +4344,7 @@ LIBBORINGSSL_TEST_UTIL_SRC = \
     third_party/boringssl/crypto/test/malloc.cc \
     third_party/boringssl/crypto/test/test_util.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_TEST_UTIL_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_TEST_UTIL_SRC))))
 
@@ -4343,6 +4382,7 @@ endif
 LIBBORINGSSL_AES_TEST_LIB_SRC = \
     third_party/boringssl/crypto/aes/aes_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_AES_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_AES_TEST_LIB_SRC))))
 
@@ -4377,9 +4417,48 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
-LIBBORINGSSL_BASE64_TEST_LIB_SRC = \
+LIBBORINGSSL_ASN1_TEST_LIB_SRC = \
+    third_party/boringssl/crypto/asn1/asn1_test.cc \
+
+PUBLIC_HEADERS_CXX += \
+
+LIBBORINGSSL_ASN1_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_ASN1_TEST_LIB_SRC))))
+
+$(LIBBORINGSSL_ASN1_TEST_LIB_OBJS): CPPFLAGS += -Ithird_party/boringssl/include -fvisibility=hidden -DOPENSSL_NO_ASM -D_GNU_SOURCE -DWIN32_LEAN_AND_MEAN -D_HAS_EXCEPTIONS=0 -DNOMINMAX
+$(LIBBORINGSSL_ASN1_TEST_LIB_OBJS): CFLAGS += -Wno-sign-conversion -Wno-conversion -Wno-unused-value -Wno-unknown-pragmas -Wno-implicit-function-declaration -Wno-unused-variable -Wno-sign-compare
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build a C++ library if you don't have protobuf - a bit overreached, but still okay.
+
+$(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a: protobuf_dep_error
+
+
+else
+
+$(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(LIBBORINGSSL_ASN1_TEST_LIB_OBJS) 
+	$(E) "[AR]      Creating $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a
+	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a $(LIBBORINGSSL_ASN1_TEST_LIB_OBJS) 
+ifeq ($(SYSTEM),Darwin)
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a
+endif
+
+
+
+
+endif
+
+ifneq ($(NO_DEPS),true)
+-include $(LIBBORINGSSL_ASN1_TEST_LIB_OBJS:.o=.dep)
+endif
+
+
+LIBBORINGSSL_BASE64_TEST_LIB_SRC = \
     third_party/boringssl/crypto/base64/base64_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_BASE64_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_BASE64_TEST_LIB_SRC))))
 
@@ -4417,6 +4496,7 @@ endif
 LIBBORINGSSL_BIO_TEST_LIB_SRC = \
     third_party/boringssl/crypto/bio/bio_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_BIO_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_BIO_TEST_LIB_SRC))))
 
@@ -4454,6 +4534,7 @@ endif
 LIBBORINGSSL_BN_TEST_LIB_SRC = \
     third_party/boringssl/crypto/bn/bn_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_BN_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_BN_TEST_LIB_SRC))))
 
@@ -4491,6 +4572,7 @@ endif
 LIBBORINGSSL_BYTESTRING_TEST_LIB_SRC = \
     third_party/boringssl/crypto/bytestring/bytestring_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_BYTESTRING_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_BYTESTRING_TEST_LIB_SRC))))
 
@@ -4528,6 +4610,7 @@ endif
 LIBBORINGSSL_AEAD_TEST_LIB_SRC = \
     third_party/boringssl/crypto/cipher/aead_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_AEAD_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_AEAD_TEST_LIB_SRC))))
 
@@ -4565,6 +4648,7 @@ endif
 LIBBORINGSSL_CIPHER_TEST_LIB_SRC = \
     third_party/boringssl/crypto/cipher/cipher_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_CIPHER_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_CIPHER_TEST_LIB_SRC))))
 
@@ -4602,6 +4686,7 @@ endif
 LIBBORINGSSL_CMAC_TEST_LIB_SRC = \
     third_party/boringssl/crypto/cmac/cmac_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_CMAC_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_CMAC_TEST_LIB_SRC))))
 
@@ -4639,6 +4724,7 @@ endif
 LIBBORINGSSL_CONSTANT_TIME_TEST_LIB_SRC = \
     third_party/boringssl/crypto/constant_time_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_CONSTANT_TIME_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_CONSTANT_TIME_TEST_LIB_SRC))))
 
@@ -4665,6 +4751,7 @@ endif
 LIBBORINGSSL_ED25519_TEST_LIB_SRC = \
     third_party/boringssl/crypto/curve25519/ed25519_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_ED25519_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_ED25519_TEST_LIB_SRC))))
 
@@ -4702,6 +4789,7 @@ endif
 LIBBORINGSSL_X25519_TEST_LIB_SRC = \
     third_party/boringssl/crypto/curve25519/x25519_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_X25519_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_X25519_TEST_LIB_SRC))))
 
@@ -4739,6 +4827,7 @@ endif
 LIBBORINGSSL_DH_TEST_LIB_SRC = \
     third_party/boringssl/crypto/dh/dh_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_DH_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_DH_TEST_LIB_SRC))))
 
@@ -4776,6 +4865,7 @@ endif
 LIBBORINGSSL_DIGEST_TEST_LIB_SRC = \
     third_party/boringssl/crypto/digest/digest_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_DIGEST_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_DIGEST_TEST_LIB_SRC))))
 
@@ -4813,6 +4903,7 @@ endif
 LIBBORINGSSL_DSA_TEST_LIB_SRC = \
     third_party/boringssl/crypto/dsa/dsa_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_DSA_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_DSA_TEST_LIB_SRC))))
 
@@ -4839,6 +4930,7 @@ endif
 LIBBORINGSSL_EC_TEST_LIB_SRC = \
     third_party/boringssl/crypto/ec/ec_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_EC_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_EC_TEST_LIB_SRC))))
 
@@ -4876,6 +4968,7 @@ endif
 LIBBORINGSSL_EXAMPLE_MUL_LIB_SRC = \
     third_party/boringssl/crypto/ec/example_mul.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_EXAMPLE_MUL_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_EXAMPLE_MUL_LIB_SRC))))
 
@@ -4902,6 +4995,7 @@ endif
 LIBBORINGSSL_ECDSA_TEST_LIB_SRC = \
     third_party/boringssl/crypto/ecdsa/ecdsa_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_ECDSA_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_ECDSA_TEST_LIB_SRC))))
 
@@ -4939,6 +5033,7 @@ endif
 LIBBORINGSSL_ERR_TEST_LIB_SRC = \
     third_party/boringssl/crypto/err/err_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_ERR_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_ERR_TEST_LIB_SRC))))
 
@@ -4976,6 +5071,7 @@ endif
 LIBBORINGSSL_EVP_EXTRA_TEST_LIB_SRC = \
     third_party/boringssl/crypto/evp/evp_extra_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_EVP_EXTRA_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_EVP_EXTRA_TEST_LIB_SRC))))
 
@@ -5013,6 +5109,7 @@ endif
 LIBBORINGSSL_EVP_TEST_LIB_SRC = \
     third_party/boringssl/crypto/evp/evp_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_EVP_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_EVP_TEST_LIB_SRC))))
 
@@ -5050,6 +5147,7 @@ endif
 LIBBORINGSSL_PBKDF_TEST_LIB_SRC = \
     third_party/boringssl/crypto/evp/pbkdf_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_PBKDF_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_PBKDF_TEST_LIB_SRC))))
 
@@ -5087,6 +5185,7 @@ endif
 LIBBORINGSSL_HKDF_TEST_LIB_SRC = \
     third_party/boringssl/crypto/hkdf/hkdf_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_HKDF_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_HKDF_TEST_LIB_SRC))))
 
@@ -5113,6 +5212,7 @@ endif
 LIBBORINGSSL_HMAC_TEST_LIB_SRC = \
     third_party/boringssl/crypto/hmac/hmac_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_HMAC_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_HMAC_TEST_LIB_SRC))))
 
@@ -5150,6 +5250,7 @@ endif
 LIBBORINGSSL_LHASH_TEST_LIB_SRC = \
     third_party/boringssl/crypto/lhash/lhash_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_LHASH_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_LHASH_TEST_LIB_SRC))))
 
@@ -5176,6 +5277,7 @@ endif
 LIBBORINGSSL_GCM_TEST_LIB_SRC = \
     third_party/boringssl/crypto/modes/gcm_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_GCM_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_GCM_TEST_LIB_SRC))))
 
@@ -5202,6 +5304,7 @@ endif
 LIBBORINGSSL_PKCS12_TEST_LIB_SRC = \
     third_party/boringssl/crypto/pkcs8/pkcs12_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_PKCS12_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_PKCS12_TEST_LIB_SRC))))
 
@@ -5239,6 +5342,7 @@ endif
 LIBBORINGSSL_PKCS8_TEST_LIB_SRC = \
     third_party/boringssl/crypto/pkcs8/pkcs8_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_PKCS8_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_PKCS8_TEST_LIB_SRC))))
 
@@ -5276,6 +5380,7 @@ endif
 LIBBORINGSSL_POLY1305_TEST_LIB_SRC = \
     third_party/boringssl/crypto/poly1305/poly1305_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_POLY1305_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_POLY1305_TEST_LIB_SRC))))
 
@@ -5313,6 +5418,7 @@ endif
 LIBBORINGSSL_REFCOUNT_TEST_LIB_SRC = \
     third_party/boringssl/crypto/refcount_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_REFCOUNT_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_REFCOUNT_TEST_LIB_SRC))))
 
@@ -5339,6 +5445,7 @@ endif
 LIBBORINGSSL_RSA_TEST_LIB_SRC = \
     third_party/boringssl/crypto/rsa/rsa_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_RSA_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_RSA_TEST_LIB_SRC))))
 
@@ -5376,6 +5483,7 @@ endif
 LIBBORINGSSL_THREAD_TEST_LIB_SRC = \
     third_party/boringssl/crypto/thread_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_THREAD_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_THREAD_TEST_LIB_SRC))))
 
@@ -5402,6 +5510,7 @@ endif
 LIBBORINGSSL_PKCS7_TEST_LIB_SRC = \
     third_party/boringssl/crypto/x509/pkcs7_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_PKCS7_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_PKCS7_TEST_LIB_SRC))))
 
@@ -5425,9 +5534,48 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
+LIBBORINGSSL_X509_TEST_LIB_SRC = \
+    third_party/boringssl/crypto/x509/x509_test.cc \
+
+PUBLIC_HEADERS_CXX += \
+
+LIBBORINGSSL_X509_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_X509_TEST_LIB_SRC))))
+
+$(LIBBORINGSSL_X509_TEST_LIB_OBJS): CPPFLAGS += -Ithird_party/boringssl/include -fvisibility=hidden -DOPENSSL_NO_ASM -D_GNU_SOURCE -DWIN32_LEAN_AND_MEAN -D_HAS_EXCEPTIONS=0 -DNOMINMAX
+$(LIBBORINGSSL_X509_TEST_LIB_OBJS): CFLAGS += -Wno-sign-conversion -Wno-conversion -Wno-unused-value -Wno-unknown-pragmas -Wno-implicit-function-declaration -Wno-unused-variable -Wno-sign-compare
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build a C++ library if you don't have protobuf - a bit overreached, but still okay.
+
+$(LIBDIR)/$(CONFIG)/libboringssl_x509_test_lib.a: protobuf_dep_error
+
+
+else
+
+$(LIBDIR)/$(CONFIG)/libboringssl_x509_test_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(LIBBORINGSSL_X509_TEST_LIB_OBJS) 
+	$(E) "[AR]      Creating $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_x509_test_lib.a
+	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libboringssl_x509_test_lib.a $(LIBBORINGSSL_X509_TEST_LIB_OBJS) 
+ifeq ($(SYSTEM),Darwin)
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libboringssl_x509_test_lib.a
+endif
+
+
+
+
+endif
+
+ifneq ($(NO_DEPS),true)
+-include $(LIBBORINGSSL_X509_TEST_LIB_OBJS:.o=.dep)
+endif
+
+
 LIBBORINGSSL_TAB_TEST_LIB_SRC = \
     third_party/boringssl/crypto/x509v3/tab_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_TAB_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_TAB_TEST_LIB_SRC))))
 
@@ -5454,6 +5602,7 @@ endif
 LIBBORINGSSL_V3NAME_TEST_LIB_SRC = \
     third_party/boringssl/crypto/x509v3/v3name_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_V3NAME_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_V3NAME_TEST_LIB_SRC))))
 
@@ -5480,6 +5629,7 @@ endif
 LIBBORINGSSL_PQUEUE_TEST_LIB_SRC = \
     third_party/boringssl/ssl/pqueue/pqueue_test.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBORINGSSL_PQUEUE_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_PQUEUE_TEST_LIB_SRC))))
 
@@ -5506,6 +5656,7 @@ endif
 LIBBORINGSSL_SSL_TEST_LIB_SRC = \
     third_party/boringssl/ssl/ssl_test.cc \
 
+PUBLIC_HEADERS_CXX += \
 
 LIBBORINGSSL_SSL_TEST_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBORINGSSL_SSL_TEST_LIB_SRC))))
 
@@ -5557,6 +5708,7 @@ LIBZ_SRC = \
     third_party/zlib/uncompr.c \
     third_party/zlib/zutil.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBZ_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBZ_SRC))))
 
@@ -5582,6 +5734,7 @@ endif
 LIBBAD_CLIENT_TEST_SRC = \
     test/core/bad_client/bad_client.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBAD_CLIENT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBAD_CLIENT_TEST_SRC))))
 
@@ -5620,6 +5773,7 @@ endif
 LIBBAD_SSL_TEST_SERVER_SRC = \
     test/core/bad_ssl/server_common.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBBAD_SSL_TEST_SERVER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBBAD_SSL_TEST_SERVER_SRC))))
 
@@ -5671,9 +5825,11 @@ LIBEND2END_TESTS_SRC = \
     test/core/end2end/tests/default_host.c \
     test/core/end2end/tests/disappearing_server.c \
     test/core/end2end/tests/empty_batch.c \
+    test/core/end2end/tests/filter_causes_close.c \
     test/core/end2end/tests/graceful_server_shutdown.c \
     test/core/end2end/tests/high_initial_seqno.c \
     test/core/end2end/tests/hpack_size.c \
+    test/core/end2end/tests/idempotent_request.c \
     test/core/end2end/tests/invoke_large_request.c \
     test/core/end2end/tests/large_metadata.c \
     test/core/end2end/tests/max_concurrent_streams.c \
@@ -5694,6 +5850,7 @@ LIBEND2END_TESTS_SRC = \
     test/core/end2end/tests/simple_request.c \
     test/core/end2end/tests/trailing_metadata.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBEND2END_TESTS_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBEND2END_TESTS_SRC))))
 
@@ -5744,9 +5901,11 @@ LIBEND2END_NOSEC_TESTS_SRC = \
     test/core/end2end/tests/default_host.c \
     test/core/end2end/tests/disappearing_server.c \
     test/core/end2end/tests/empty_batch.c \
+    test/core/end2end/tests/filter_causes_close.c \
     test/core/end2end/tests/graceful_server_shutdown.c \
     test/core/end2end/tests/high_initial_seqno.c \
     test/core/end2end/tests/hpack_size.c \
+    test/core/end2end/tests/idempotent_request.c \
     test/core/end2end/tests/invoke_large_request.c \
     test/core/end2end/tests/large_metadata.c \
     test/core/end2end/tests/max_concurrent_streams.c \
@@ -5767,6 +5926,7 @@ LIBEND2END_NOSEC_TESTS_SRC = \
     test/core/end2end/tests/simple_request.c \
     test/core/end2end/tests/trailing_metadata.c \
 
+PUBLIC_HEADERS_C += \
 
 LIBEND2END_NOSEC_TESTS_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBEND2END_NOSEC_TESTS_SRC))))
 
@@ -5920,6 +6080,38 @@ endif
 endif
 
 
+API_FUZZER_SRC = \
+    test/core/end2end/fuzzers/api_fuzzer.c \
+
+API_FUZZER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(API_FUZZER_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/api_fuzzer: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/api_fuzzer: $(API_FUZZER_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(API_FUZZER_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/api_fuzzer
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fuzzers/api_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_api_fuzzer: $(API_FUZZER_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(API_FUZZER_OBJS:.o=.dep)
+endif
+endif
+
+
 BIN_ENCODER_TEST_SRC = \
     test/core/transport/chttp2/bin_encoder_test.c \
 
@@ -6144,6 +6336,38 @@ endif
 endif
 
 
+CLIENT_FUZZER_SRC = \
+    test/core/end2end/fuzzers/client_fuzzer.c \
+
+CLIENT_FUZZER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CLIENT_FUZZER_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/client_fuzzer: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/client_fuzzer: $(CLIENT_FUZZER_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(CLIENT_FUZZER_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/client_fuzzer
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fuzzers/client_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_client_fuzzer: $(CLIENT_FUZZER_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CLIENT_FUZZER_OBJS:.o=.dep)
+endif
+endif
+
+
 COMPRESSION_TEST_SRC = \
     test/core/compression/compression_test.c \
 
@@ -6592,6 +6816,38 @@ endif
 endif
 
 
+GOAWAY_SERVER_TEST_SRC = \
+    test/core/end2end/goaway_server_test.c \
+
+GOAWAY_SERVER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GOAWAY_SERVER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/goaway_server_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/goaway_server_test: $(GOAWAY_SERVER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(GOAWAY_SERVER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/goaway_server_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/goaway_server_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_goaway_server_test: $(GOAWAY_SERVER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(GOAWAY_SERVER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 GPR_AVL_TEST_SRC = \
     test/core/support/avl_test.c \
 
@@ -7648,6 +7904,38 @@ endif
 endif
 
 
+HPACK_PARSER_FUZZER_TEST_SRC = \
+    test/core/transport/chttp2/hpack_parser_fuzzer_test.c \
+
+HPACK_PARSER_FUZZER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HPACK_PARSER_FUZZER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test: $(HPACK_PARSER_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(HPACK_PARSER_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/transport/chttp2/hpack_parser_fuzzer_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_hpack_parser_fuzzer_test: $(HPACK_PARSER_FUZZER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(HPACK_PARSER_FUZZER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 HPACK_PARSER_TEST_SRC = \
     test/core/transport/chttp2/hpack_parser_test.c \
 
@@ -7712,72 +8000,104 @@ endif
 endif
 
 
-HTTPCLI_FORMAT_REQUEST_TEST_SRC = \
-    test/core/httpcli/format_request_test.c \
+HTTP_FUZZER_TEST_SRC = \
+    test/core/http/fuzzer.c \
 
-HTTPCLI_FORMAT_REQUEST_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTPCLI_FORMAT_REQUEST_TEST_SRC))))
+HTTP_FUZZER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTP_FUZZER_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/httpcli_format_request_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/http_fuzzer_test: openssl_dep_error
 
 else
 
 
 
-$(BINDIR)/$(CONFIG)/httpcli_format_request_test: $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/http_fuzzer_test: $(HTTP_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/httpcli_format_request_test
+	$(Q) $(LDXX) $(LDFLAGS) $(HTTP_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/http_fuzzer_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/httpcli/format_request_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/http/fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_httpcli_format_request_test: $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS:.o=.dep)
+deps_http_fuzzer_test: $(HTTP_FUZZER_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS:.o=.dep)
+-include $(HTTP_FUZZER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+HTTP_PARSER_TEST_SRC = \
+    test/core/http/parser_test.c \
+
+HTTP_PARSER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTP_PARSER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/http_parser_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/http_parser_test: $(HTTP_PARSER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(HTTP_PARSER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/http_parser_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/http/parser_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_http_parser_test: $(HTTP_PARSER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(HTTP_PARSER_TEST_OBJS:.o=.dep)
 endif
 endif
 
 
-HTTPCLI_PARSER_TEST_SRC = \
-    test/core/httpcli/parser_test.c \
+HTTPCLI_FORMAT_REQUEST_TEST_SRC = \
+    test/core/http/format_request_test.c \
 
-HTTPCLI_PARSER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTPCLI_PARSER_TEST_SRC))))
+HTTPCLI_FORMAT_REQUEST_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTPCLI_FORMAT_REQUEST_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/httpcli_parser_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/httpcli_format_request_test: openssl_dep_error
 
 else
 
 
 
-$(BINDIR)/$(CONFIG)/httpcli_parser_test: $(HTTPCLI_PARSER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/httpcli_format_request_test: $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(HTTPCLI_PARSER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/httpcli_parser_test
+	$(Q) $(LD) $(LDFLAGS) $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/httpcli_format_request_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/httpcli/parser_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/http/format_request_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_httpcli_parser_test: $(HTTPCLI_PARSER_TEST_OBJS:.o=.dep)
+deps_httpcli_format_request_test: $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(HTTPCLI_PARSER_TEST_OBJS:.o=.dep)
+-include $(HTTPCLI_FORMAT_REQUEST_TEST_OBJS:.o=.dep)
 endif
 endif
 
 
 HTTPCLI_TEST_SRC = \
-    test/core/httpcli/httpcli_test.c \
+    test/core/http/httpcli_test.c \
 
 HTTPCLI_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTPCLI_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
@@ -7797,7 +8117,7 @@ $(BINDIR)/$(CONFIG)/httpcli_test: $(HTTPCLI_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgr
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/httpcli/httpcli_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/http/httpcli_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_httpcli_test: $(HTTPCLI_TEST_OBJS:.o=.dep)
 
@@ -7809,7 +8129,7 @@ endif
 
 
 HTTPSCLI_TEST_SRC = \
-    test/core/httpcli/httpscli_test.c \
+    test/core/http/httpscli_test.c \
 
 HTTPSCLI_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTPSCLI_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
@@ -7829,7 +8149,7 @@ $(BINDIR)/$(CONFIG)/httpscli_test: $(HTTPSCLI_TEST_OBJS) $(LIBDIR)/$(CONFIG)/lib
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/httpcli/httpscli_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/http/httpscli_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_httpscli_test: $(HTTPSCLI_TEST_OBJS:.o=.dep)
 
@@ -7872,106 +8192,234 @@ endif
 endif
 
 
-INVALID_CALL_ARGUMENT_TEST_SRC = \
-    test/core/end2end/invalid_call_argument_test.c \
+INTERNAL_API_CANARY_IOMGR_TEST_SRC = \
+    test/core/internal_api_canaries/iomgr.c \
 
-INVALID_CALL_ARGUMENT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(INVALID_CALL_ARGUMENT_TEST_SRC))))
+INTERNAL_API_CANARY_IOMGR_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(INTERNAL_API_CANARY_IOMGR_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/invalid_call_argument_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/internal_api_canary_iomgr_test: openssl_dep_error
 
 else
 
 
 
-$(BINDIR)/$(CONFIG)/invalid_call_argument_test: $(INVALID_CALL_ARGUMENT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/internal_api_canary_iomgr_test: $(INTERNAL_API_CANARY_IOMGR_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(INVALID_CALL_ARGUMENT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/invalid_call_argument_test
+	$(Q) $(LD) $(LDFLAGS) $(INTERNAL_API_CANARY_IOMGR_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/internal_api_canary_iomgr_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/invalid_call_argument_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/internal_api_canaries/iomgr.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_invalid_call_argument_test: $(INVALID_CALL_ARGUMENT_TEST_OBJS:.o=.dep)
+deps_internal_api_canary_iomgr_test: $(INTERNAL_API_CANARY_IOMGR_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(INVALID_CALL_ARGUMENT_TEST_OBJS:.o=.dep)
+-include $(INTERNAL_API_CANARY_IOMGR_TEST_OBJS:.o=.dep)
 endif
 endif
 
 
-JSON_REWRITE_SRC = \
-    test/core/json/json_rewrite.c \
+INTERNAL_API_CANARY_SUPPORT_TEST_SRC = \
+    test/core/internal_api_canaries/iomgr.c \
 
-JSON_REWRITE_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(JSON_REWRITE_SRC))))
+INTERNAL_API_CANARY_SUPPORT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(INTERNAL_API_CANARY_SUPPORT_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/json_rewrite: openssl_dep_error
+$(BINDIR)/$(CONFIG)/internal_api_canary_support_test: openssl_dep_error
 
 else
 
 
 
-$(BINDIR)/$(CONFIG)/json_rewrite: $(JSON_REWRITE_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/internal_api_canary_support_test: $(INTERNAL_API_CANARY_SUPPORT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(JSON_REWRITE_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/json_rewrite
+	$(Q) $(LD) $(LDFLAGS) $(INTERNAL_API_CANARY_SUPPORT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/internal_api_canary_support_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/json/json_rewrite.o:  $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/internal_api_canaries/iomgr.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_json_rewrite: $(JSON_REWRITE_OBJS:.o=.dep)
+deps_internal_api_canary_support_test: $(INTERNAL_API_CANARY_SUPPORT_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(JSON_REWRITE_OBJS:.o=.dep)
+-include $(INTERNAL_API_CANARY_SUPPORT_TEST_OBJS:.o=.dep)
 endif
 endif
 
 
-JSON_REWRITE_TEST_SRC = \
-    test/core/json/json_rewrite_test.c \
+INTERNAL_API_CANARY_TRANSPORT_TEST_SRC = \
+    test/core/internal_api_canaries/iomgr.c \
 
-JSON_REWRITE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(JSON_REWRITE_TEST_SRC))))
+INTERNAL_API_CANARY_TRANSPORT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(INTERNAL_API_CANARY_TRANSPORT_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/json_rewrite_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/internal_api_canary_transport_test: openssl_dep_error
 
 else
 
 
 
-$(BINDIR)/$(CONFIG)/json_rewrite_test: $(JSON_REWRITE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/internal_api_canary_transport_test: $(INTERNAL_API_CANARY_TRANSPORT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(JSON_REWRITE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/json_rewrite_test
+	$(Q) $(LD) $(LDFLAGS) $(INTERNAL_API_CANARY_TRANSPORT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/internal_api_canary_transport_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/json/json_rewrite_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/internal_api_canaries/iomgr.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_json_rewrite_test: $(JSON_REWRITE_TEST_OBJS:.o=.dep)
+deps_internal_api_canary_transport_test: $(INTERNAL_API_CANARY_TRANSPORT_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(JSON_REWRITE_TEST_OBJS:.o=.dep)
+-include $(INTERNAL_API_CANARY_TRANSPORT_TEST_OBJS:.o=.dep)
 endif
 endif
 
 
-JSON_STREAM_ERROR_TEST_SRC = \
-    test/core/json/json_stream_error_test.c \
+INVALID_CALL_ARGUMENT_TEST_SRC = \
+    test/core/end2end/invalid_call_argument_test.c \
 
-JSON_STREAM_ERROR_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(JSON_STREAM_ERROR_TEST_SRC))))
+INVALID_CALL_ARGUMENT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(INVALID_CALL_ARGUMENT_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/invalid_call_argument_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/invalid_call_argument_test: $(INVALID_CALL_ARGUMENT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(INVALID_CALL_ARGUMENT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/invalid_call_argument_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/invalid_call_argument_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_invalid_call_argument_test: $(INVALID_CALL_ARGUMENT_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(INVALID_CALL_ARGUMENT_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+JSON_FUZZER_TEST_SRC = \
+    test/core/json/fuzzer.c \
+
+JSON_FUZZER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(JSON_FUZZER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/json_fuzzer_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/json_fuzzer_test: $(JSON_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(JSON_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/json_fuzzer_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/json/fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_json_fuzzer_test: $(JSON_FUZZER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(JSON_FUZZER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+JSON_REWRITE_SRC = \
+    test/core/json/json_rewrite.c \
+
+JSON_REWRITE_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(JSON_REWRITE_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/json_rewrite: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/json_rewrite: $(JSON_REWRITE_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(JSON_REWRITE_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/json_rewrite
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/json/json_rewrite.o:  $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_json_rewrite: $(JSON_REWRITE_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(JSON_REWRITE_OBJS:.o=.dep)
+endif
+endif
+
+
+JSON_REWRITE_TEST_SRC = \
+    test/core/json/json_rewrite_test.c \
+
+JSON_REWRITE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(JSON_REWRITE_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/json_rewrite_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/json_rewrite_test: $(JSON_REWRITE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(JSON_REWRITE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/json_rewrite_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/json/json_rewrite_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_json_rewrite_test: $(JSON_REWRITE_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(JSON_REWRITE_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+JSON_STREAM_ERROR_TEST_SRC = \
+    test/core/json/json_stream_error_test.c \
+
+JSON_STREAM_ERROR_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(JSON_STREAM_ERROR_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
@@ -8256,6 +8704,70 @@ endif
 endif
 
 
+NANOPB_FUZZER_RESPONSE_TEST_SRC = \
+    test/core/nanopb/fuzzer_response.c \
+
+NANOPB_FUZZER_RESPONSE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(NANOPB_FUZZER_RESPONSE_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test: $(NANOPB_FUZZER_RESPONSE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(NANOPB_FUZZER_RESPONSE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/nanopb/fuzzer_response.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_nanopb_fuzzer_response_test: $(NANOPB_FUZZER_RESPONSE_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(NANOPB_FUZZER_RESPONSE_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+NANOPB_FUZZER_SERVERLIST_TEST_SRC = \
+    test/core/nanopb/fuzzer_serverlist.c \
+
+NANOPB_FUZZER_SERVERLIST_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(NANOPB_FUZZER_SERVERLIST_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test: $(NANOPB_FUZZER_SERVERLIST_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(NANOPB_FUZZER_SERVERLIST_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/nanopb/fuzzer_serverlist.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_nanopb_fuzzer_serverlist_test: $(NANOPB_FUZZER_SERVERLIST_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(NANOPB_FUZZER_SERVERLIST_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 NO_SERVER_TEST_SRC = \
     test/core/end2end/no_server_test.c \
 
@@ -8416,6 +8928,38 @@ endif
 endif
 
 
+SERVER_FUZZER_SRC = \
+    test/core/end2end/fuzzers/server_fuzzer.c \
+
+SERVER_FUZZER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(SERVER_FUZZER_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/server_fuzzer: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/server_fuzzer: $(SERVER_FUZZER_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(SERVER_FUZZER_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/server_fuzzer
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fuzzers/server_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_server_fuzzer: $(SERVER_FUZZER_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(SERVER_FUZZER_OBJS:.o=.dep)
+endif
+endif
+
+
 SERVER_TEST_SRC = \
     test/core/surface/server_test.c \
 
@@ -8960,6 +9504,38 @@ endif
 endif
 
 
+URI_FUZZER_TEST_SRC = \
+    test/core/client_config/uri_fuzzer_test.c \
+
+URI_FUZZER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(URI_FUZZER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/uri_fuzzer_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/uri_fuzzer_test: $(URI_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(URI_FUZZER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/uri_fuzzer_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/client_config/uri_fuzzer_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_uri_fuzzer_test: $(URI_FUZZER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(URI_FUZZER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 URI_PARSER_TEST_SRC = \
     test/core/client_config/uri_parser_test.c \
 
@@ -9411,21 +9987,22 @@ endif
 endif
 
 
-CODEGEN_TEST_SRC = \
+CODEGEN_TEST_FULL_SRC = \
     $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc \
     $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc \
     $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc \
     $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc \
     $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc \
     $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc \
-    test/cpp/codegen/codegen_test.cc \
+    test/cpp/codegen/codegen_test_full.cc \
+    src/cpp/codegen/codegen_init.cc \
 
-CODEGEN_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CODEGEN_TEST_SRC))))
+CODEGEN_TEST_FULL_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CODEGEN_TEST_FULL_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/codegen_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/codegen_test_full: openssl_dep_error
 
 else
 
@@ -9436,52 +10013,62 @@ ifeq ($(NO_PROTOBUF),true)
 
 # You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
 
-$(BINDIR)/$(CONFIG)/codegen_test: protobuf_dep_error
+$(BINDIR)/$(CONFIG)/codegen_test_full: protobuf_dep_error
 
 else
 
-$(BINDIR)/$(CONFIG)/codegen_test: $(PROTOBUF_DEP) $(CODEGEN_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(BINDIR)/$(CONFIG)/codegen_test_full: $(PROTOBUF_DEP) $(CODEGEN_TEST_FULL_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(CODEGEN_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/codegen_test
+	$(Q) $(LDXX) $(LDFLAGS) $(CODEGEN_TEST_FULL_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/codegen_test_full
 
 endif
 
 endif
 
-$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/control.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/control.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/messages.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/messages.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/payloads.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/payloads.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/perf_db.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/perf_db.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/services.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/services.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/stats.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/stats.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(OBJDIR)/$(CONFIG)/test/cpp/codegen/codegen_test_full.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-$(OBJDIR)/$(CONFIG)/test/cpp/codegen/codegen_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(OBJDIR)/$(CONFIG)/src/cpp/codegen/codegen_init.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_codegen_test: $(CODEGEN_TEST_OBJS:.o=.dep)
+deps_codegen_test_full: $(CODEGEN_TEST_FULL_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(CODEGEN_TEST_OBJS:.o=.dep)
+-include $(CODEGEN_TEST_FULL_OBJS:.o=.dep)
 endif
 endif
-$(OBJDIR)/$(CONFIG)/test/cpp/codegen/codegen_test.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/codegen/codegen_test_full.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/src/cpp/codegen/codegen_init.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
 
 
-CREDENTIALS_TEST_SRC = \
-    test/cpp/client/credentials_test.cc \
+CODEGEN_TEST_MINIMAL_SRC = \
+    $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc \
+    test/cpp/codegen/codegen_test_minimal.cc \
+    src/cpp/codegen/codegen_init.cc \
 
-CREDENTIALS_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CREDENTIALS_TEST_SRC))))
+CODEGEN_TEST_MINIMAL_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CODEGEN_TEST_MINIMAL_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/credentials_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/codegen_test_minimal: openssl_dep_error
 
 else
 
@@ -9492,39 +10079,55 @@ ifeq ($(NO_PROTOBUF),true)
 
 # You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
 
-$(BINDIR)/$(CONFIG)/credentials_test: protobuf_dep_error
+$(BINDIR)/$(CONFIG)/codegen_test_minimal: protobuf_dep_error
 
 else
 
-$(BINDIR)/$(CONFIG)/credentials_test: $(PROTOBUF_DEP) $(CREDENTIALS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/codegen_test_minimal: $(PROTOBUF_DEP) $(CODEGEN_TEST_MINIMAL_OBJS)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(CREDENTIALS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/credentials_test
+	$(Q) $(LDXX) $(LDFLAGS) $(CODEGEN_TEST_MINIMAL_OBJS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/codegen_test_minimal
 
 endif
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/cpp/client/credentials_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/control.o: 
 
-deps_credentials_test: $(CREDENTIALS_TEST_OBJS:.o=.dep)
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/messages.o: 
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/payloads.o: 
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/perf_db.o: 
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/services.o: 
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/stats.o: 
+
+$(OBJDIR)/$(CONFIG)/test/cpp/codegen/codegen_test_minimal.o: 
+
+$(OBJDIR)/$(CONFIG)/src/cpp/codegen/codegen_init.o: 
+
+deps_codegen_test_minimal: $(CODEGEN_TEST_MINIMAL_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(CREDENTIALS_TEST_OBJS:.o=.dep)
+-include $(CODEGEN_TEST_MINIMAL_OBJS:.o=.dep)
 endif
 endif
+$(OBJDIR)/$(CONFIG)/test/cpp/codegen/codegen_test_minimal.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/src/cpp/codegen/codegen_init.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
 
 
-CXX_BYTE_BUFFER_TEST_SRC = \
-    test/cpp/util/byte_buffer_test.cc \
+CREDENTIALS_TEST_SRC = \
+    test/cpp/client/credentials_test.cc \
 
-CXX_BYTE_BUFFER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CXX_BYTE_BUFFER_TEST_SRC))))
+CREDENTIALS_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CREDENTIALS_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/cxx_byte_buffer_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/credentials_test: openssl_dep_error
 
 else
 
@@ -9535,22 +10138,65 @@ ifeq ($(NO_PROTOBUF),true)
 
 # You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
 
-$(BINDIR)/$(CONFIG)/cxx_byte_buffer_test: protobuf_dep_error
+$(BINDIR)/$(CONFIG)/credentials_test: protobuf_dep_error
 
 else
 
-$(BINDIR)/$(CONFIG)/cxx_byte_buffer_test: $(PROTOBUF_DEP) $(CXX_BYTE_BUFFER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/credentials_test: $(PROTOBUF_DEP) $(CREDENTIALS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(CXX_BYTE_BUFFER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/cxx_byte_buffer_test
+	$(Q) $(LDXX) $(LDFLAGS) $(CREDENTIALS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/credentials_test
 
 endif
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/cpp/util/byte_buffer_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/cpp/client/credentials_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_cxx_byte_buffer_test: $(CXX_BYTE_BUFFER_TEST_OBJS:.o=.dep)
+deps_credentials_test: $(CREDENTIALS_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CREDENTIALS_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+CXX_BYTE_BUFFER_TEST_SRC = \
+    test/cpp/util/byte_buffer_test.cc \
+
+CXX_BYTE_BUFFER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CXX_BYTE_BUFFER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/cxx_byte_buffer_test: openssl_dep_error
+
+else
+
+
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/cxx_byte_buffer_test: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/cxx_byte_buffer_test: $(PROTOBUF_DEP) $(CXX_BYTE_BUFFER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(CXX_BYTE_BUFFER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/cxx_byte_buffer_test
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/cpp/util/byte_buffer_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_cxx_byte_buffer_test: $(CXX_BYTE_BUFFER_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
@@ -9817,6 +10463,53 @@ endif
 endif
 
 
+GOLDEN_FILE_TEST_SRC = \
+    $(GENDIR)/src/proto/grpc/testing/compiler_test.pb.cc $(GENDIR)/src/proto/grpc/testing/compiler_test.grpc.pb.cc \
+    test/cpp/codegen/golden_file_test.cc \
+
+GOLDEN_FILE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GOLDEN_FILE_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/golden_file_test: openssl_dep_error
+
+else
+
+
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/golden_file_test: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/golden_file_test: $(PROTOBUF_DEP) $(GOLDEN_FILE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(GOLDEN_FILE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/golden_file_test
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/compiler_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/test/cpp/codegen/golden_file_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_golden_file_test: $(GOLDEN_FILE_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(GOLDEN_FILE_TEST_OBJS:.o=.dep)
+endif
+endif
+$(OBJDIR)/$(CONFIG)/test/cpp/codegen/golden_file_test.o: $(GENDIR)/src/proto/grpc/testing/compiler_test.pb.cc $(GENDIR)/src/proto/grpc/testing/compiler_test.grpc.pb.cc
+
+
 GRPC_CLI_SRC = \
     test/cpp/util/grpc_cli.cc \
 
@@ -9922,6 +10615,37 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
+GRPC_NODE_PLUGIN_SRC = \
+    src/compiler/node_plugin.cc \
+
+GRPC_NODE_PLUGIN_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GRPC_NODE_PLUGIN_SRC))))
+
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/grpc_node_plugin: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/grpc_node_plugin: $(PROTOBUF_DEP) $(GRPC_NODE_PLUGIN_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_plugin_support.a
+	$(E) "[HOSTLD]  Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(HOST_LDXX) $(HOST_LDFLAGS) $(GRPC_NODE_PLUGIN_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_plugin_support.a $(HOST_LDLIBSXX) $(HOST_LDLIBS_PROTOC) $(HOST_LDLIBS) $(HOST_LDLIBS_PROTOC) -o $(BINDIR)/$(CONFIG)/grpc_node_plugin
+
+endif
+
+$(OBJDIR)/$(CONFIG)/src/compiler/node_plugin.o:  $(LIBDIR)/$(CONFIG)/libgrpc_plugin_support.a
+
+deps_grpc_node_plugin: $(GRPC_NODE_PLUGIN_OBJS:.o=.dep)
+
+ifneq ($(NO_DEPS),true)
+-include $(GRPC_NODE_PLUGIN_OBJS:.o=.dep)
+endif
+
+
 GRPC_OBJECTIVE_C_PLUGIN_SRC = \
     src/compiler/objective_c_plugin.cc \
 
@@ -10210,6 +10934,49 @@ endif
 endif
 
 
+JSON_RUN_LOCALHOST_SRC = \
+    test/cpp/qps/json_run_localhost.cc \
+
+JSON_RUN_LOCALHOST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(JSON_RUN_LOCALHOST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/json_run_localhost: openssl_dep_error
+
+else
+
+
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/json_run_localhost: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/json_run_localhost: $(PROTOBUF_DEP) $(JSON_RUN_LOCALHOST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(JSON_RUN_LOCALHOST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/json_run_localhost
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/json_run_localhost.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+
+deps_json_run_localhost: $(JSON_RUN_LOCALHOST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(JSON_RUN_LOCALHOST_OBJS:.o=.dep)
+endif
+endif
+
+
 METRICS_CLIENT_SRC = \
     $(GENDIR)/src/proto/grpc/testing/metrics.pb.cc $(GENDIR)/src/proto/grpc/testing/metrics.grpc.pb.cc \
     test/cpp/interop/metrics_client.cc \
@@ -10300,15 +11067,15 @@ endif
 endif
 
 
-QPS_DRIVER_SRC = \
-    test/cpp/qps/qps_driver.cc \
+QPS_INTERARRIVAL_TEST_SRC = \
+    test/cpp/qps/qps_interarrival_test.cc \
 
-QPS_DRIVER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(QPS_DRIVER_SRC))))
+QPS_INTERARRIVAL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(QPS_INTERARRIVAL_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/qps_driver: openssl_dep_error
+$(BINDIR)/$(CONFIG)/qps_interarrival_test: openssl_dep_error
 
 else
 
@@ -10319,39 +11086,40 @@ ifeq ($(NO_PROTOBUF),true)
 
 # You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
 
-$(BINDIR)/$(CONFIG)/qps_driver: protobuf_dep_error
+$(BINDIR)/$(CONFIG)/qps_interarrival_test: protobuf_dep_error
 
 else
 
-$(BINDIR)/$(CONFIG)/qps_driver: $(PROTOBUF_DEP) $(QPS_DRIVER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+$(BINDIR)/$(CONFIG)/qps_interarrival_test: $(PROTOBUF_DEP) $(QPS_INTERARRIVAL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(QPS_DRIVER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/qps_driver
+	$(Q) $(LDXX) $(LDFLAGS) $(QPS_INTERARRIVAL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/qps_interarrival_test
 
 endif
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/qps_driver.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/qps_interarrival_test.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_qps_driver: $(QPS_DRIVER_OBJS:.o=.dep)
+deps_qps_interarrival_test: $(QPS_INTERARRIVAL_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(QPS_DRIVER_OBJS:.o=.dep)
+-include $(QPS_INTERARRIVAL_TEST_OBJS:.o=.dep)
 endif
 endif
 
 
-QPS_INTERARRIVAL_TEST_SRC = \
-    test/cpp/qps/qps_interarrival_test.cc \
+QPS_JSON_DRIVER_SRC = \
+    test/cpp/qps/parse_json.cc \
+    test/cpp/qps/qps_json_driver.cc \
 
-QPS_INTERARRIVAL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(QPS_INTERARRIVAL_TEST_SRC))))
+QPS_JSON_DRIVER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(QPS_JSON_DRIVER_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/qps_interarrival_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/qps_json_driver: openssl_dep_error
 
 else
 
@@ -10362,26 +11130,28 @@ ifeq ($(NO_PROTOBUF),true)
 
 # You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
 
-$(BINDIR)/$(CONFIG)/qps_interarrival_test: protobuf_dep_error
+$(BINDIR)/$(CONFIG)/qps_json_driver: protobuf_dep_error
 
 else
 
-$(BINDIR)/$(CONFIG)/qps_interarrival_test: $(PROTOBUF_DEP) $(QPS_INTERARRIVAL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/qps_json_driver: $(PROTOBUF_DEP) $(QPS_JSON_DRIVER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(QPS_INTERARRIVAL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/qps_interarrival_test
+	$(Q) $(LDXX) $(LDFLAGS) $(QPS_JSON_DRIVER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/qps_json_driver
 
 endif
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/qps_interarrival_test.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/parse_json.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 
-deps_qps_interarrival_test: $(QPS_INTERARRIVAL_TEST_OBJS:.o=.dep)
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/qps_json_driver.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+
+deps_qps_json_driver: $(QPS_JSON_DRIVER_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(QPS_INTERARRIVAL_TEST_OBJS:.o=.dep)
+-include $(QPS_JSON_DRIVER_OBJS:.o=.dep)
 endif
 endif
 
@@ -11230,6 +12000,33 @@ endif
 
 
 
+# boringssl needs an override to ensure that it does not include
+# system openssl headers regardless of other configuration
+# we do so here with a target specific variable assignment
+$(BORINGSSL_ASN1_TEST_OBJS): CFLAGS := -Ithird_party/boringssl/include $(CFLAGS) -Wno-sign-conversion -Wno-conversion -Wno-unused-value
+$(BORINGSSL_ASN1_TEST_OBJS): CXXFLAGS := -Ithird_party/boringssl/include $(CXXFLAGS)
+$(BORINGSSL_ASN1_TEST_OBJS): CPPFLAGS += -DOPENSSL_NO_ASM -D_GNU_SOURCE
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/boringssl_asn1_test: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/boringssl_asn1_test:  $(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a $(LIBDIR)/$(CONFIG)/libboringssl.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a $(LIBDIR)/$(CONFIG)/libboringssl.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/boringssl_asn1_test
+
+endif
+
+
+
+
+
 # boringssl needs an override to ensure that it does not include
 # system openssl headers regardless of other configuration
 # we do so here with a target specific variable assignment
@@ -12067,6 +12864,33 @@ endif
 
 
 
+# boringssl needs an override to ensure that it does not include
+# system openssl headers regardless of other configuration
+# we do so here with a target specific variable assignment
+$(BORINGSSL_X509_TEST_OBJS): CFLAGS := -Ithird_party/boringssl/include $(CFLAGS) -Wno-sign-conversion -Wno-conversion -Wno-unused-value
+$(BORINGSSL_X509_TEST_OBJS): CXXFLAGS := -Ithird_party/boringssl/include $(CXXFLAGS)
+$(BORINGSSL_X509_TEST_OBJS): CPPFLAGS += -DOPENSSL_NO_ASM -D_GNU_SOURCE
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/boringssl_x509_test: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/boringssl_x509_test:  $(LIBDIR)/$(CONFIG)/libboringssl_x509_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a $(LIBDIR)/$(CONFIG)/libboringssl.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libboringssl_x509_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a $(LIBDIR)/$(CONFIG)/libboringssl.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/boringssl_x509_test
+
+endif
+
+
+
+
+
 # boringssl needs an override to ensure that it does not include
 # system openssl headers regardless of other configuration
 # we do so here with a target specific variable assignment
@@ -12214,6 +13038,26 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
+HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_SRC = \
+    test/core/bad_client/tests/head_of_line_blocking.c \
+
+HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_SRC))))
+
+
+$(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test: $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test
+
+$(OBJDIR)/$(CONFIG)/test/core/bad_client/tests/head_of_line_blocking.o:  $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_head_of_line_blocking_bad_client_test: $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_DEPS),true)
+-include $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS:.o=.dep)
+endif
+
+
 HEADERS_BAD_CLIENT_TEST_SRC = \
     test/core/bad_client/tests/headers.c \
 
@@ -12622,66 +13466,34 @@ endif
 endif
 
 
-H2_FULL+POLL_TEST_SRC = \
-    test/core/end2end/fixtures/h2_full+poll.c \
-
-H2_FULL+POLL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+POLL_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/h2_full+poll_test: openssl_dep_error
-
-else
-
-
-
-$(BINDIR)/$(CONFIG)/h2_full+poll_test: $(H2_FULL+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full+poll_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_full+poll_test: $(H2_FULL+POLL_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(H2_FULL+POLL_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
-H2_FULL+POLL+PIPE_TEST_SRC = \
-    test/core/end2end/fixtures/h2_full+poll+pipe.c \
+H2_FULL+TRACE_TEST_SRC = \
+    test/core/end2end/fixtures/h2_full+trace.c \
 
-H2_FULL+POLL+PIPE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+POLL+PIPE_TEST_SRC))))
+H2_FULL+TRACE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+TRACE_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/h2_full+trace_test: openssl_dep_error
 
 else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test: $(H2_FULL+POLL+PIPE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_full+trace_test: $(H2_FULL+TRACE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+POLL+PIPE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+TRACE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full+trace_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+poll+pipe.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+trace.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_h2_full+poll+pipe_test: $(H2_FULL+POLL+PIPE_TEST_OBJS:.o=.dep)
+deps_h2_full+trace_test: $(H2_FULL+TRACE_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(H2_FULL+POLL+PIPE_TEST_OBJS:.o=.dep)
+-include $(H2_FULL+TRACE_TEST_OBJS:.o=.dep)
 endif
 endif
 
@@ -12878,34 +13690,34 @@ endif
 endif
 
 
-H2_SSL+POLL_TEST_SRC = \
-    test/core/end2end/fixtures/h2_ssl+poll.c \
+H2_SSL_CERT_TEST_SRC = \
+    test/core/end2end/fixtures/h2_ssl_cert.c \
 
-H2_SSL+POLL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_SSL+POLL_TEST_SRC))))
+H2_SSL_CERT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_SSL_CERT_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
 
-$(BINDIR)/$(CONFIG)/h2_ssl+poll_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/h2_ssl_cert_test: openssl_dep_error
 
 else
 
 
 
-$(BINDIR)/$(CONFIG)/h2_ssl+poll_test: $(H2_SSL+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_ssl_cert_test: $(H2_SSL_CERT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_SSL+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_ssl+poll_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_SSL_CERT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_ssl_cert_test
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_ssl+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_ssl_cert.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_h2_ssl+poll_test: $(H2_SSL+POLL_TEST_OBJS:.o=.dep)
+deps_h2_ssl_cert_test: $(H2_SSL_CERT_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(H2_SSL+POLL_TEST_OBJS:.o=.dep)
+-include $(H2_SSL_CERT_TEST_OBJS:.o=.dep)
 endif
 endif
 
@@ -12942,38 +13754,6 @@ endif
 endif
 
 
-H2_UCHANNEL_TEST_SRC = \
-    test/core/end2end/fixtures/h2_uchannel.c \
-
-H2_UCHANNEL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_UCHANNEL_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/h2_uchannel_test: openssl_dep_error
-
-else
-
-
-
-$(BINDIR)/$(CONFIG)/h2_uchannel_test: $(H2_UCHANNEL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_UCHANNEL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_uchannel_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uchannel.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_uchannel_test: $(H2_UCHANNEL_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(H2_UCHANNEL_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
 H2_UDS_TEST_SRC = \
     test/core/end2end/fixtures/h2_uds.c \
 
@@ -13006,38 +13786,6 @@ endif
 endif
 
 
-H2_UDS+POLL_TEST_SRC = \
-    test/core/end2end/fixtures/h2_uds+poll.c \
-
-H2_UDS+POLL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_UDS+POLL_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/h2_uds+poll_test: openssl_dep_error
-
-else
-
-
-
-$(BINDIR)/$(CONFIG)/h2_uds+poll_test: $(H2_UDS+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_UDS+POLL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_uds+poll_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uds+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_uds+poll_test: $(H2_UDS+POLL_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(H2_UDS+POLL_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
 H2_CENSUS_NOSEC_TEST_SRC = \
     test/core/end2end/fixtures/h2_census.c \
 
@@ -13118,43 +13866,23 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
-H2_FULL+POLL_NOSEC_TEST_SRC = \
-    test/core/end2end/fixtures/h2_full+poll.c \
-
-H2_FULL+POLL_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+POLL_NOSEC_TEST_SRC))))
-
-
-$(BINDIR)/$(CONFIG)/h2_full+poll_nosec_test: $(H2_FULL+POLL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+POLL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_full+poll_nosec_test
-
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_h2_full+poll_nosec_test: $(H2_FULL+POLL_NOSEC_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_DEPS),true)
--include $(H2_FULL+POLL_NOSEC_TEST_OBJS:.o=.dep)
-endif
-
-
-H2_FULL+POLL+PIPE_NOSEC_TEST_SRC = \
-    test/core/end2end/fixtures/h2_full+poll+pipe.c \
+H2_FULL+TRACE_NOSEC_TEST_SRC = \
+    test/core/end2end/fixtures/h2_full+trace.c \
 
-H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+POLL+PIPE_NOSEC_TEST_SRC))))
+H2_FULL+TRACE_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FULL+TRACE_NOSEC_TEST_SRC))))
 
 
-$(BINDIR)/$(CONFIG)/h2_full+poll+pipe_nosec_test: $(H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_full+trace_nosec_test: $(H2_FULL+TRACE_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_nosec_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_FULL+TRACE_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_full+trace_nosec_test
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+poll+pipe.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_full+trace.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_h2_full+poll+pipe_nosec_test: $(H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS:.o=.dep)
+deps_h2_full+trace_nosec_test: $(H2_FULL+TRACE_NOSEC_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_DEPS),true)
--include $(H2_FULL+POLL+PIPE_NOSEC_TEST_OBJS:.o=.dep)
+-include $(H2_FULL+TRACE_NOSEC_TEST_OBJS:.o=.dep)
 endif
 
 
@@ -13238,63 +13966,338 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
-H2_UCHANNEL_NOSEC_TEST_SRC = \
-    test/core/end2end/fixtures/h2_uchannel.c \
+H2_UDS_NOSEC_TEST_SRC = \
+    test/core/end2end/fixtures/h2_uds.c \
 
-H2_UCHANNEL_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_UCHANNEL_NOSEC_TEST_SRC))))
+H2_UDS_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_UDS_NOSEC_TEST_SRC))))
 
 
-$(BINDIR)/$(CONFIG)/h2_uchannel_nosec_test: $(H2_UCHANNEL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/h2_uds_nosec_test: $(H2_UDS_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_UCHANNEL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uchannel_nosec_test
+	$(Q) $(LD) $(LDFLAGS) $(H2_UDS_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uds_nosec_test
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uchannel.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uds.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_h2_uchannel_nosec_test: $(H2_UCHANNEL_NOSEC_TEST_OBJS:.o=.dep)
+deps_h2_uds_nosec_test: $(H2_UDS_NOSEC_TEST_OBJS:.o=.dep)
 
 ifneq ($(NO_DEPS),true)
--include $(H2_UCHANNEL_NOSEC_TEST_OBJS:.o=.dep)
+-include $(H2_UDS_NOSEC_TEST_OBJS:.o=.dep)
 endif
 
 
-H2_UDS_NOSEC_TEST_SRC = \
-    test/core/end2end/fixtures/h2_uds.c \
+API_FUZZER_ONE_ENTRY_SRC = \
+    test/core/end2end/fuzzers/api_fuzzer.c \
+    test/core/util/one_corpus_entry_fuzzer.c \
 
-H2_UDS_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_UDS_NOSEC_TEST_SRC))))
+API_FUZZER_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(API_FUZZER_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/api_fuzzer_one_entry: openssl_dep_error
 
-$(BINDIR)/$(CONFIG)/h2_uds_nosec_test: $(H2_UDS_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+else
+
+
+
+$(BINDIR)/$(CONFIG)/api_fuzzer_one_entry: $(API_FUZZER_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_UDS_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uds_nosec_test
+	$(Q) $(LD) $(LDFLAGS) $(API_FUZZER_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/api_fuzzer_one_entry
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uds.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+endif
 
-deps_h2_uds_nosec_test: $(H2_UDS_NOSEC_TEST_OBJS:.o=.dep)
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fuzzers/api_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/test/core/util/one_corpus_entry_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
+deps_api_fuzzer_one_entry: $(API_FUZZER_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(H2_UDS_NOSEC_TEST_OBJS:.o=.dep)
+-include $(API_FUZZER_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+CLIENT_FUZZER_ONE_ENTRY_SRC = \
+    test/core/end2end/fuzzers/client_fuzzer.c \
+    test/core/util/one_corpus_entry_fuzzer.c \
+
+CLIENT_FUZZER_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CLIENT_FUZZER_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/client_fuzzer_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/client_fuzzer_one_entry: $(CLIENT_FUZZER_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CLIENT_FUZZER_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/client_fuzzer_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fuzzers/client_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/test/core/util/one_corpus_entry_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_client_fuzzer_one_entry: $(CLIENT_FUZZER_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CLIENT_FUZZER_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+HPACK_PARSER_FUZZER_TEST_ONE_ENTRY_SRC = \
+    test/core/transport/chttp2/hpack_parser_fuzzer_test.c \
+    test/core/util/one_corpus_entry_fuzzer.c \
+
+HPACK_PARSER_FUZZER_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HPACK_PARSER_FUZZER_TEST_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test_one_entry: $(HPACK_PARSER_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(HPACK_PARSER_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/transport/chttp2/hpack_parser_fuzzer_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/test/core/util/one_corpus_entry_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_hpack_parser_fuzzer_test_one_entry: $(HPACK_PARSER_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(HPACK_PARSER_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+HTTP_FUZZER_TEST_ONE_ENTRY_SRC = \
+    test/core/http/fuzzer.c \
+    test/core/util/one_corpus_entry_fuzzer.c \
+
+HTTP_FUZZER_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HTTP_FUZZER_TEST_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/http_fuzzer_test_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/http_fuzzer_test_one_entry: $(HTTP_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(HTTP_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/http_fuzzer_test_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/http/fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/test/core/util/one_corpus_entry_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_http_fuzzer_test_one_entry: $(HTTP_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(HTTP_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+JSON_FUZZER_TEST_ONE_ENTRY_SRC = \
+    test/core/json/fuzzer.c \
+    test/core/util/one_corpus_entry_fuzzer.c \
+
+JSON_FUZZER_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(JSON_FUZZER_TEST_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/json_fuzzer_test_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/json_fuzzer_test_one_entry: $(JSON_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(JSON_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/json_fuzzer_test_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/json/fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/test/core/util/one_corpus_entry_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_json_fuzzer_test_one_entry: $(JSON_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(JSON_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_SRC = \
+    test/core/nanopb/fuzzer_response.c \
+    test/core/util/one_corpus_entry_fuzzer.c \
+
+NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry: $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/nanopb/fuzzer_response.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/test/core/util/one_corpus_entry_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_nanopb_fuzzer_response_test_one_entry: $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_SRC = \
+    test/core/nanopb/fuzzer_serverlist.c \
+    test/core/util/one_corpus_entry_fuzzer.c \
+
+NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry: $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/nanopb/fuzzer_serverlist.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/test/core/util/one_corpus_entry_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_nanopb_fuzzer_serverlist_test_one_entry: $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+SERVER_FUZZER_ONE_ENTRY_SRC = \
+    test/core/end2end/fuzzers/server_fuzzer.c \
+    test/core/util/one_corpus_entry_fuzzer.c \
+
+SERVER_FUZZER_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(SERVER_FUZZER_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/server_fuzzer_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/server_fuzzer_one_entry: $(SERVER_FUZZER_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(SERVER_FUZZER_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/server_fuzzer_one_entry
+
 endif
 
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fuzzers/server_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+$(OBJDIR)/$(CONFIG)/test/core/util/one_corpus_entry_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-H2_UDS+POLL_NOSEC_TEST_SRC = \
-    test/core/end2end/fixtures/h2_uds+poll.c \
+deps_server_fuzzer_one_entry: $(SERVER_FUZZER_ONE_ENTRY_OBJS:.o=.dep)
 
-H2_UDS+POLL_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_UDS+POLL_NOSEC_TEST_SRC))))
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(SERVER_FUZZER_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
 
 
-$(BINDIR)/$(CONFIG)/h2_uds+poll_nosec_test: $(H2_UDS+POLL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+URI_FUZZER_TEST_ONE_ENTRY_SRC = \
+    test/core/client_config/uri_fuzzer_test.c \
+    test/core/util/one_corpus_entry_fuzzer.c \
+
+URI_FUZZER_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(URI_FUZZER_TEST_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/uri_fuzzer_test_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/uri_fuzzer_test_one_entry: $(URI_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(H2_UDS+POLL_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uds+poll_nosec_test
+	$(Q) $(LD) $(LDFLAGS) $(URI_FUZZER_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/uri_fuzzer_test_one_entry
+
+endif
 
-$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_uds+poll.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/client_config/uri_fuzzer_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
-deps_h2_uds+poll_nosec_test: $(H2_UDS+POLL_NOSEC_TEST_OBJS:.o=.dep)
+$(OBJDIR)/$(CONFIG)/test/core/util/one_corpus_entry_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
+deps_uri_fuzzer_test_one_entry: $(URI_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
 ifneq ($(NO_DEPS),true)
--include $(H2_UDS+POLL_NOSEC_TEST_OBJS:.o=.dep)
+-include $(URI_FUZZER_TEST_ONE_ENTRY_OBJS:.o=.dep)
+endif
 endif
 
 
@@ -13306,27 +14309,28 @@ ifneq ($(OPENSSL_DEP),)
 # This is to ensure the embedded OpenSSL is built beforehand, properly
 # installing headers to their final destination on the drive. We need this
 # otherwise parallel compilation will fail if a source is compiled first.
-src/core/httpcli/httpcli_security_connector.c: $(OPENSSL_DEP)
-src/core/security/b64.c: $(OPENSSL_DEP)
-src/core/security/client_auth_filter.c: $(OPENSSL_DEP)
-src/core/security/credentials.c: $(OPENSSL_DEP)
-src/core/security/credentials_metadata.c: $(OPENSSL_DEP)
-src/core/security/credentials_posix.c: $(OPENSSL_DEP)
-src/core/security/credentials_win32.c: $(OPENSSL_DEP)
-src/core/security/google_default_credentials.c: $(OPENSSL_DEP)
-src/core/security/handshake.c: $(OPENSSL_DEP)
-src/core/security/json_token.c: $(OPENSSL_DEP)
-src/core/security/jwt_verifier.c: $(OPENSSL_DEP)
-src/core/security/secure_endpoint.c: $(OPENSSL_DEP)
-src/core/security/security_connector.c: $(OPENSSL_DEP)
-src/core/security/security_context.c: $(OPENSSL_DEP)
-src/core/security/server_auth_filter.c: $(OPENSSL_DEP)
-src/core/security/server_secure_chttp2.c: $(OPENSSL_DEP)
-src/core/surface/init_secure.c: $(OPENSSL_DEP)
-src/core/surface/secure_channel_create.c: $(OPENSSL_DEP)
-src/core/tsi/fake_transport_security.c: $(OPENSSL_DEP)
-src/core/tsi/ssl_transport_security.c: $(OPENSSL_DEP)
-src/core/tsi/transport_security.c: $(OPENSSL_DEP)
+src/core/ext/transport/chttp2/client/secure/secure_channel_create.c: $(OPENSSL_DEP)
+src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c: $(OPENSSL_DEP)
+src/core/lib/http/httpcli_security_connector.c: $(OPENSSL_DEP)
+src/core/lib/security/b64.c: $(OPENSSL_DEP)
+src/core/lib/security/client_auth_filter.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials_metadata.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials_posix.c: $(OPENSSL_DEP)
+src/core/lib/security/credentials_win32.c: $(OPENSSL_DEP)
+src/core/lib/security/google_default_credentials.c: $(OPENSSL_DEP)
+src/core/lib/security/handshake.c: $(OPENSSL_DEP)
+src/core/lib/security/json_token.c: $(OPENSSL_DEP)
+src/core/lib/security/jwt_verifier.c: $(OPENSSL_DEP)
+src/core/lib/security/secure_endpoint.c: $(OPENSSL_DEP)
+src/core/lib/security/security_connector.c: $(OPENSSL_DEP)
+src/core/lib/security/security_context.c: $(OPENSSL_DEP)
+src/core/lib/security/server_auth_filter.c: $(OPENSSL_DEP)
+src/core/lib/surface/init_secure.c: $(OPENSSL_DEP)
+src/core/lib/tsi/fake_transport_security.c: $(OPENSSL_DEP)
+src/core/lib/tsi/ssl_transport_security.c: $(OPENSSL_DEP)
+src/core/lib/tsi/transport_security.c: $(OPENSSL_DEP)
+src/core/plugin_registry/grpc_plugin_registry.c: $(OPENSSL_DEP)
 src/cpp/client/secure_credentials.cc: $(OPENSSL_DEP)
 src/cpp/common/auth_property_iterator.cc: $(OPENSSL_DEP)
 src/cpp/common/secure_auth_context.cc: $(OPENSSL_DEP)
@@ -13336,6 +14340,7 @@ src/cpp/server/secure_server_credentials.cc: $(OPENSSL_DEP)
 src/csharp/ext/grpc_csharp_ext.c: $(OPENSSL_DEP)
 test/core/bad_client/bad_client.c: $(OPENSSL_DEP)
 test/core/bad_ssl/server_common.c: $(OPENSSL_DEP)
+test/core/end2end/data/client_certs.c: $(OPENSSL_DEP)
 test/core/end2end/data/server1_cert.c: $(OPENSSL_DEP)
 test/core/end2end/data/server1_key.c: $(OPENSSL_DEP)
 test/core/end2end/data/test_root_cert.c: $(OPENSSL_DEP)
diff --git a/PYTHON-MANIFEST.in b/PYTHON-MANIFEST.in
index 25aba87c187d22c3f7ff10b434339ecc6d84c6f2..534f4c1251a47de23fb37017a563e9b4060b35fb 100644
--- a/PYTHON-MANIFEST.in
+++ b/PYTHON-MANIFEST.in
@@ -2,8 +2,10 @@ recursive-include src/python/grpcio/grpc *.c *.h *.py *.pyx *.pxd *.pxi *.python
 recursive-exclude src/python/grpcio/grpc/_cython *.so *.pyd
 graft src/python/grpcio/tests
 graft src/core
+graft src/boringssl
 graft include/grpc
 graft third_party/boringssl
+graft third_party/nanopb
 graft third_party/zlib
 include src/python/grpcio/commands.py
 include src/python/grpcio/grpc_version.py
diff --git a/README.md b/README.md
index abb4905392cdc96f0b41e88e74308c5189d0be3b..3ee2b9f5caab187f62271517fd9d350a42b7bc16 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 
 [![Join the chat at https://gitter.im/grpc/grpc](https://badges.gitter.im/grpc/grpc.svg)](https://gitter.im/grpc/grpc?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
-Copyright 2015-2016 Google Inc.
+Copyright 2015 Google Inc.
 
 #Documentation
 
diff --git a/binding.gyp b/binding.gyp
index bb974d6ef8a20cd480ec434fa1806978a9da2a48..058743edbf84a237c9e181edf123a5a5cc1b70cf 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -5,7 +5,7 @@
 # This file can be regenerated from the template by running
 # tools/buildgen/generate_projects.sh
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -223,6 +223,7 @@
             'third_party/boringssl/crypto/bn/shift.c',
             'third_party/boringssl/crypto/bn/sqrt.c',
             'third_party/boringssl/crypto/buf/buf.c',
+            'third_party/boringssl/crypto/bytestring/asn1_compat.c',
             'third_party/boringssl/crypto/bytestring/ber.c',
             'third_party/boringssl/crypto/bytestring/cbb.c',
             'third_party/boringssl/crypto/bytestring/cbs.c',
@@ -246,6 +247,7 @@
             'third_party/boringssl/crypto/cpu-intel.c',
             'third_party/boringssl/crypto/crypto.c',
             'third_party/boringssl/crypto/curve25519/curve25519.c',
+            'third_party/boringssl/crypto/curve25519/x25519-x86_64.c',
             'third_party/boringssl/crypto/des/des.c',
             'third_party/boringssl/crypto/dh/check.c',
             'third_party/boringssl/crypto/dh/dh.c',
@@ -437,6 +439,7 @@
             'third_party/boringssl/ssl/ssl_buffer.c',
             'third_party/boringssl/ssl/ssl_cert.c',
             'third_party/boringssl/ssl/ssl_cipher.c',
+            'third_party/boringssl/ssl/ssl_ecdh.c',
             'third_party/boringssl/ssl/ssl_file.c',
             'third_party/boringssl/ssl/ssl_lib.c',
             'third_party/boringssl/ssl/ssl_rsa.c',
@@ -492,50 +495,50 @@
       'dependencies': [
       ],
       'sources': [
-        'src/core/profiling/basic_timers.c',
-        'src/core/profiling/stap_timers.c',
-        'src/core/support/alloc.c',
-        'src/core/support/avl.c',
-        'src/core/support/backoff.c',
-        'src/core/support/cmdline.c',
-        'src/core/support/cpu_iphone.c',
-        'src/core/support/cpu_linux.c',
-        'src/core/support/cpu_posix.c',
-        'src/core/support/cpu_windows.c',
-        'src/core/support/env_linux.c',
-        'src/core/support/env_posix.c',
-        'src/core/support/env_win32.c',
-        'src/core/support/histogram.c',
-        'src/core/support/host_port.c',
-        'src/core/support/load_file.c',
-        'src/core/support/log.c',
-        'src/core/support/log_android.c',
-        'src/core/support/log_linux.c',
-        'src/core/support/log_posix.c',
-        'src/core/support/log_win32.c',
-        'src/core/support/murmur_hash.c',
-        'src/core/support/slice.c',
-        'src/core/support/slice_buffer.c',
-        'src/core/support/stack_lockfree.c',
-        'src/core/support/string.c',
-        'src/core/support/string_posix.c',
-        'src/core/support/string_win32.c',
-        'src/core/support/subprocess_posix.c',
-        'src/core/support/subprocess_windows.c',
-        'src/core/support/sync.c',
-        'src/core/support/sync_posix.c',
-        'src/core/support/sync_win32.c',
-        'src/core/support/thd.c',
-        'src/core/support/thd_posix.c',
-        'src/core/support/thd_win32.c',
-        'src/core/support/time.c',
-        'src/core/support/time_posix.c',
-        'src/core/support/time_precise.c',
-        'src/core/support/time_win32.c',
-        'src/core/support/tls_pthread.c',
-        'src/core/support/tmpfile_posix.c',
-        'src/core/support/tmpfile_win32.c',
-        'src/core/support/wrap_memcpy.c',
+        'src/core/lib/profiling/basic_timers.c',
+        'src/core/lib/profiling/stap_timers.c',
+        'src/core/lib/support/alloc.c',
+        'src/core/lib/support/avl.c',
+        'src/core/lib/support/backoff.c',
+        'src/core/lib/support/cmdline.c',
+        'src/core/lib/support/cpu_iphone.c',
+        'src/core/lib/support/cpu_linux.c',
+        'src/core/lib/support/cpu_posix.c',
+        'src/core/lib/support/cpu_windows.c',
+        'src/core/lib/support/env_linux.c',
+        'src/core/lib/support/env_posix.c',
+        'src/core/lib/support/env_win32.c',
+        'src/core/lib/support/histogram.c',
+        'src/core/lib/support/host_port.c',
+        'src/core/lib/support/load_file.c',
+        'src/core/lib/support/log.c',
+        'src/core/lib/support/log_android.c',
+        'src/core/lib/support/log_linux.c',
+        'src/core/lib/support/log_posix.c',
+        'src/core/lib/support/log_win32.c',
+        'src/core/lib/support/murmur_hash.c',
+        'src/core/lib/support/slice.c',
+        'src/core/lib/support/slice_buffer.c',
+        'src/core/lib/support/stack_lockfree.c',
+        'src/core/lib/support/string.c',
+        'src/core/lib/support/string_posix.c',
+        'src/core/lib/support/string_win32.c',
+        'src/core/lib/support/subprocess_posix.c',
+        'src/core/lib/support/subprocess_windows.c',
+        'src/core/lib/support/sync.c',
+        'src/core/lib/support/sync_posix.c',
+        'src/core/lib/support/sync_win32.c',
+        'src/core/lib/support/thd.c',
+        'src/core/lib/support/thd_posix.c',
+        'src/core/lib/support/thd_win32.c',
+        'src/core/lib/support/time.c',
+        'src/core/lib/support/time_posix.c',
+        'src/core/lib/support/time_precise.c',
+        'src/core/lib/support/time_win32.c',
+        'src/core/lib/support/tls_pthread.c',
+        'src/core/lib/support/tmpfile_posix.c',
+        'src/core/lib/support/tmpfile_win32.c',
+        'src/core/lib/support/wrap_memcpy.c',
       ],
       "conditions": [
         ['OS == "mac"', {
@@ -558,166 +561,171 @@
         'gpr',
       ],
       'sources': [
-        'src/core/census/grpc_context.c',
-        'src/core/census/grpc_filter.c',
-        'src/core/channel/channel_args.c',
-        'src/core/channel/channel_stack.c',
-        'src/core/channel/client_channel.c',
-        'src/core/channel/client_uchannel.c',
-        'src/core/channel/compress_filter.c',
-        'src/core/channel/connected_channel.c',
-        'src/core/channel/http_client_filter.c',
-        'src/core/channel/http_server_filter.c',
-        'src/core/channel/subchannel_call_holder.c',
-        'src/core/client_config/client_config.c',
-        'src/core/client_config/connector.c',
-        'src/core/client_config/default_initial_connect_string.c',
-        'src/core/client_config/initial_connect_string.c',
-        'src/core/client_config/lb_policies/load_balancer_api.c',
-        'src/core/client_config/lb_policies/pick_first.c',
-        'src/core/client_config/lb_policies/round_robin.c',
-        'src/core/client_config/lb_policy.c',
-        'src/core/client_config/lb_policy_factory.c',
-        'src/core/client_config/lb_policy_registry.c',
-        'src/core/client_config/resolver.c',
-        'src/core/client_config/resolver_factory.c',
-        'src/core/client_config/resolver_registry.c',
-        'src/core/client_config/resolvers/dns_resolver.c',
-        'src/core/client_config/resolvers/sockaddr_resolver.c',
-        'src/core/client_config/subchannel.c',
-        'src/core/client_config/subchannel_factory.c',
-        'src/core/client_config/subchannel_index.c',
-        'src/core/client_config/uri_parser.c',
-        'src/core/compression/compression_algorithm.c',
-        'src/core/compression/message_compress.c',
-        'src/core/debug/trace.c',
-        'src/core/httpcli/format_request.c',
-        'src/core/httpcli/httpcli.c',
-        'src/core/httpcli/parser.c',
-        'src/core/iomgr/closure.c',
-        'src/core/iomgr/endpoint.c',
-        'src/core/iomgr/endpoint_pair_posix.c',
-        'src/core/iomgr/endpoint_pair_windows.c',
-        'src/core/iomgr/exec_ctx.c',
-        'src/core/iomgr/executor.c',
-        'src/core/iomgr/fd_posix.c',
-        'src/core/iomgr/iocp_windows.c',
-        'src/core/iomgr/iomgr.c',
-        'src/core/iomgr/iomgr_posix.c',
-        'src/core/iomgr/iomgr_windows.c',
-        'src/core/iomgr/pollset_multipoller_with_epoll.c',
-        'src/core/iomgr/pollset_multipoller_with_poll_posix.c',
-        'src/core/iomgr/pollset_posix.c',
-        'src/core/iomgr/pollset_set_posix.c',
-        'src/core/iomgr/pollset_set_windows.c',
-        'src/core/iomgr/pollset_windows.c',
-        'src/core/iomgr/resolve_address_posix.c',
-        'src/core/iomgr/resolve_address_windows.c',
-        'src/core/iomgr/sockaddr_utils.c',
-        'src/core/iomgr/socket_utils_common_posix.c',
-        'src/core/iomgr/socket_utils_linux.c',
-        'src/core/iomgr/socket_utils_posix.c',
-        'src/core/iomgr/socket_windows.c',
-        'src/core/iomgr/tcp_client_posix.c',
-        'src/core/iomgr/tcp_client_windows.c',
-        'src/core/iomgr/tcp_posix.c',
-        'src/core/iomgr/tcp_server_posix.c',
-        'src/core/iomgr/tcp_server_windows.c',
-        'src/core/iomgr/tcp_windows.c',
-        'src/core/iomgr/time_averaged_stats.c',
-        'src/core/iomgr/timer.c',
-        'src/core/iomgr/timer_heap.c',
-        'src/core/iomgr/udp_server.c',
-        'src/core/iomgr/wakeup_fd_eventfd.c',
-        'src/core/iomgr/wakeup_fd_nospecial.c',
-        'src/core/iomgr/wakeup_fd_pipe.c',
-        'src/core/iomgr/wakeup_fd_posix.c',
-        'src/core/iomgr/workqueue_posix.c',
-        'src/core/iomgr/workqueue_windows.c',
-        'src/core/json/json.c',
-        'src/core/json/json_reader.c',
-        'src/core/json/json_string.c',
-        'src/core/json/json_writer.c',
-        'src/core/proto/grpc/lb/v0/load_balancer.pb.c',
-        'src/core/surface/alarm.c',
-        'src/core/surface/api_trace.c',
-        'src/core/surface/byte_buffer.c',
-        'src/core/surface/byte_buffer_reader.c',
-        'src/core/surface/call.c',
-        'src/core/surface/call_details.c',
-        'src/core/surface/call_log_batch.c',
-        'src/core/surface/channel.c',
-        'src/core/surface/channel_connectivity.c',
-        'src/core/surface/channel_create.c',
-        'src/core/surface/channel_ping.c',
-        'src/core/surface/completion_queue.c',
-        'src/core/surface/event_string.c',
-        'src/core/surface/init.c',
-        'src/core/surface/lame_client.c',
-        'src/core/surface/metadata_array.c',
-        'src/core/surface/server.c',
-        'src/core/surface/server_chttp2.c',
-        'src/core/surface/server_create.c',
-        'src/core/surface/validate_metadata.c',
-        'src/core/surface/version.c',
-        'src/core/transport/byte_stream.c',
-        'src/core/transport/chttp2/alpn.c',
-        'src/core/transport/chttp2/bin_encoder.c',
-        'src/core/transport/chttp2/frame_data.c',
-        'src/core/transport/chttp2/frame_goaway.c',
-        'src/core/transport/chttp2/frame_ping.c',
-        'src/core/transport/chttp2/frame_rst_stream.c',
-        'src/core/transport/chttp2/frame_settings.c',
-        'src/core/transport/chttp2/frame_window_update.c',
-        'src/core/transport/chttp2/hpack_encoder.c',
-        'src/core/transport/chttp2/hpack_parser.c',
-        'src/core/transport/chttp2/hpack_table.c',
-        'src/core/transport/chttp2/huffsyms.c',
-        'src/core/transport/chttp2/incoming_metadata.c',
-        'src/core/transport/chttp2/parsing.c',
-        'src/core/transport/chttp2/status_conversion.c',
-        'src/core/transport/chttp2/stream_lists.c',
-        'src/core/transport/chttp2/stream_map.c',
-        'src/core/transport/chttp2/timeout_encoding.c',
-        'src/core/transport/chttp2/varint.c',
-        'src/core/transport/chttp2/writing.c',
-        'src/core/transport/chttp2_transport.c',
-        'src/core/transport/connectivity_state.c',
-        'src/core/transport/metadata.c',
-        'src/core/transport/metadata_batch.c',
-        'src/core/transport/static_metadata.c',
-        'src/core/transport/transport.c',
-        'src/core/transport/transport_op_string.c',
-        'src/core/httpcli/httpcli_security_connector.c',
-        'src/core/security/b64.c',
-        'src/core/security/client_auth_filter.c',
-        'src/core/security/credentials.c',
-        'src/core/security/credentials_metadata.c',
-        'src/core/security/credentials_posix.c',
-        'src/core/security/credentials_win32.c',
-        'src/core/security/google_default_credentials.c',
-        'src/core/security/handshake.c',
-        'src/core/security/json_token.c',
-        'src/core/security/jwt_verifier.c',
-        'src/core/security/secure_endpoint.c',
-        'src/core/security/security_connector.c',
-        'src/core/security/security_context.c',
-        'src/core/security/server_auth_filter.c',
-        'src/core/security/server_secure_chttp2.c',
-        'src/core/surface/init_secure.c',
-        'src/core/surface/secure_channel_create.c',
-        'src/core/tsi/fake_transport_security.c',
-        'src/core/tsi/ssl_transport_security.c',
-        'src/core/tsi/transport_security.c',
-        'src/core/census/context.c',
-        'src/core/census/initialize.c',
-        'src/core/census/mlog.c',
-        'src/core/census/operation.c',
-        'src/core/census/placeholders.c',
-        'src/core/census/tracing.c',
+        'src/core/lib/surface/init.c',
+        'src/core/lib/channel/channel_args.c',
+        'src/core/lib/channel/channel_stack.c',
+        'src/core/lib/channel/channel_stack_builder.c',
+        'src/core/lib/channel/compress_filter.c',
+        'src/core/lib/channel/connected_channel.c',
+        'src/core/lib/channel/http_client_filter.c',
+        'src/core/lib/channel/http_server_filter.c',
+        'src/core/lib/compression/compression_algorithm.c',
+        'src/core/lib/compression/message_compress.c',
+        'src/core/lib/debug/trace.c',
+        'src/core/lib/http/format_request.c',
+        'src/core/lib/http/httpcli.c',
+        'src/core/lib/http/parser.c',
+        'src/core/lib/iomgr/closure.c',
+        'src/core/lib/iomgr/endpoint.c',
+        'src/core/lib/iomgr/endpoint_pair_posix.c',
+        'src/core/lib/iomgr/endpoint_pair_windows.c',
+        'src/core/lib/iomgr/ev_poll_and_epoll_posix.c',
+        'src/core/lib/iomgr/ev_posix.c',
+        'src/core/lib/iomgr/exec_ctx.c',
+        'src/core/lib/iomgr/executor.c',
+        'src/core/lib/iomgr/iocp_windows.c',
+        'src/core/lib/iomgr/iomgr.c',
+        'src/core/lib/iomgr/iomgr_posix.c',
+        'src/core/lib/iomgr/iomgr_windows.c',
+        'src/core/lib/iomgr/pollset_set_windows.c',
+        'src/core/lib/iomgr/pollset_windows.c',
+        'src/core/lib/iomgr/resolve_address_posix.c',
+        'src/core/lib/iomgr/resolve_address_windows.c',
+        'src/core/lib/iomgr/sockaddr_utils.c',
+        'src/core/lib/iomgr/socket_utils_common_posix.c',
+        'src/core/lib/iomgr/socket_utils_linux.c',
+        'src/core/lib/iomgr/socket_utils_posix.c',
+        'src/core/lib/iomgr/socket_windows.c',
+        'src/core/lib/iomgr/tcp_client_posix.c',
+        'src/core/lib/iomgr/tcp_client_windows.c',
+        'src/core/lib/iomgr/tcp_posix.c',
+        'src/core/lib/iomgr/tcp_server_posix.c',
+        'src/core/lib/iomgr/tcp_server_windows.c',
+        'src/core/lib/iomgr/tcp_windows.c',
+        'src/core/lib/iomgr/time_averaged_stats.c',
+        'src/core/lib/iomgr/timer.c',
+        'src/core/lib/iomgr/timer_heap.c',
+        'src/core/lib/iomgr/udp_server.c',
+        'src/core/lib/iomgr/unix_sockets_posix.c',
+        'src/core/lib/iomgr/unix_sockets_posix_noop.c',
+        'src/core/lib/iomgr/wakeup_fd_eventfd.c',
+        'src/core/lib/iomgr/wakeup_fd_nospecial.c',
+        'src/core/lib/iomgr/wakeup_fd_pipe.c',
+        'src/core/lib/iomgr/wakeup_fd_posix.c',
+        'src/core/lib/iomgr/workqueue_posix.c',
+        'src/core/lib/iomgr/workqueue_windows.c',
+        'src/core/lib/json/json.c',
+        'src/core/lib/json/json_reader.c',
+        'src/core/lib/json/json_string.c',
+        'src/core/lib/json/json_writer.c',
+        'src/core/lib/surface/alarm.c',
+        'src/core/lib/surface/api_trace.c',
+        'src/core/lib/surface/byte_buffer.c',
+        'src/core/lib/surface/byte_buffer_reader.c',
+        'src/core/lib/surface/call.c',
+        'src/core/lib/surface/call_details.c',
+        'src/core/lib/surface/call_log_batch.c',
+        'src/core/lib/surface/channel.c',
+        'src/core/lib/surface/channel_init.c',
+        'src/core/lib/surface/channel_ping.c',
+        'src/core/lib/surface/channel_stack_type.c',
+        'src/core/lib/surface/completion_queue.c',
+        'src/core/lib/surface/event_string.c',
+        'src/core/lib/surface/lame_client.c',
+        'src/core/lib/surface/metadata_array.c',
+        'src/core/lib/surface/server.c',
+        'src/core/lib/surface/validate_metadata.c',
+        'src/core/lib/surface/version.c',
+        'src/core/lib/transport/byte_stream.c',
+        'src/core/lib/transport/connectivity_state.c',
+        'src/core/lib/transport/metadata.c',
+        'src/core/lib/transport/metadata_batch.c',
+        'src/core/lib/transport/static_metadata.c',
+        'src/core/lib/transport/transport.c',
+        'src/core/lib/transport/transport_op_string.c',
+        'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
+        'src/core/ext/transport/chttp2/transport/bin_encoder.c',
+        'src/core/ext/transport/chttp2/transport/chttp2_plugin.c',
+        'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
+        'src/core/ext/transport/chttp2/transport/frame_data.c',
+        'src/core/ext/transport/chttp2/transport/frame_goaway.c',
+        'src/core/ext/transport/chttp2/transport/frame_ping.c',
+        'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
+        'src/core/ext/transport/chttp2/transport/frame_settings.c',
+        'src/core/ext/transport/chttp2/transport/frame_window_update.c',
+        'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
+        'src/core/ext/transport/chttp2/transport/hpack_parser.c',
+        'src/core/ext/transport/chttp2/transport/hpack_table.c',
+        'src/core/ext/transport/chttp2/transport/huffsyms.c',
+        'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
+        'src/core/ext/transport/chttp2/transport/parsing.c',
+        'src/core/ext/transport/chttp2/transport/status_conversion.c',
+        'src/core/ext/transport/chttp2/transport/stream_lists.c',
+        'src/core/ext/transport/chttp2/transport/stream_map.c',
+        'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
+        'src/core/ext/transport/chttp2/transport/varint.c',
+        'src/core/ext/transport/chttp2/transport/writing.c',
+        'src/core/ext/transport/chttp2/alpn/alpn.c',
+        'src/core/lib/http/httpcli_security_connector.c',
+        'src/core/lib/security/b64.c',
+        'src/core/lib/security/client_auth_filter.c',
+        'src/core/lib/security/credentials.c',
+        'src/core/lib/security/credentials_metadata.c',
+        'src/core/lib/security/credentials_posix.c',
+        'src/core/lib/security/credentials_win32.c',
+        'src/core/lib/security/google_default_credentials.c',
+        'src/core/lib/security/handshake.c',
+        'src/core/lib/security/json_token.c',
+        'src/core/lib/security/jwt_verifier.c',
+        'src/core/lib/security/secure_endpoint.c',
+        'src/core/lib/security/security_connector.c',
+        'src/core/lib/security/security_context.c',
+        'src/core/lib/security/server_auth_filter.c',
+        'src/core/lib/surface/init_secure.c',
+        'src/core/lib/tsi/fake_transport_security.c',
+        'src/core/lib/tsi/ssl_transport_security.c',
+        'src/core/lib/tsi/transport_security.c',
+        'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
+        'src/core/ext/client_config/channel_connectivity.c',
+        'src/core/ext/client_config/client_channel.c',
+        'src/core/ext/client_config/client_channel_factory.c',
+        'src/core/ext/client_config/client_config.c',
+        'src/core/ext/client_config/client_config_plugin.c',
+        'src/core/ext/client_config/connector.c',
+        'src/core/ext/client_config/default_initial_connect_string.c',
+        'src/core/ext/client_config/initial_connect_string.c',
+        'src/core/ext/client_config/lb_policy.c',
+        'src/core/ext/client_config/lb_policy_factory.c',
+        'src/core/ext/client_config/lb_policy_registry.c',
+        'src/core/ext/client_config/parse_address.c',
+        'src/core/ext/client_config/resolver.c',
+        'src/core/ext/client_config/resolver_factory.c',
+        'src/core/ext/client_config/resolver_registry.c',
+        'src/core/ext/client_config/subchannel.c',
+        'src/core/ext/client_config/subchannel_call_holder.c',
+        'src/core/ext/client_config/subchannel_index.c',
+        'src/core/ext/client_config/uri_parser.c',
+        'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
+        'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
+        'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
+        'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c',
         'third_party/nanopb/pb_common.c',
         'third_party/nanopb/pb_decode.c',
         'third_party/nanopb/pb_encode.c',
+        'src/core/ext/lb_policy/pick_first/pick_first.c',
+        'src/core/ext/lb_policy/round_robin/round_robin.c',
+        'src/core/ext/resolver/dns/native/dns_resolver.c',
+        'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
+        'src/core/ext/census/context.c',
+        'src/core/ext/census/grpc_context.c',
+        'src/core/ext/census/grpc_filter.c',
+        'src/core/ext/census/grpc_plugin.c',
+        'src/core/ext/census/initialize.c',
+        'src/core/ext/census/mlog.c',
+        'src/core/ext/census/operation.c',
+        'src/core/ext/census/placeholders.c',
+        'src/core/ext/census/tracing.c',
+        'src/core/plugin_registry/grpc_plugin_registry.c',
       ],
       "conditions": [
         ['OS == "mac"', {
diff --git a/build.yaml b/build.yaml
index 8a6551196981ad4b1b5345c380332432197547fa..281fe7ccdc184a28ec7bb31572312b2dcbe569a7 100644
--- a/build.yaml
+++ b/build.yaml
@@ -13,17 +13,26 @@ filegroups:
   public_headers:
   - include/grpc/census.h
   headers:
-  - src/core/census/aggregation.h
-  - src/core/census/mlog.h
-  - src/core/census/rpc_metric_id.h
-  src:
-  - src/core/census/context.c
-  - src/core/census/initialize.c
-  - src/core/census/mlog.c
-  - src/core/census/operation.c
-  - src/core/census/placeholders.c
-  - src/core/census/tracing.c
-- name: gpr
+  - src/core/ext/census/aggregation.h
+  - src/core/ext/census/census_interface.h
+  - src/core/ext/census/census_rpc_stats.h
+  - src/core/ext/census/grpc_filter.h
+  - src/core/ext/census/mlog.h
+  - src/core/ext/census/rpc_metric_id.h
+  src:
+  - src/core/ext/census/context.c
+  - src/core/ext/census/grpc_context.c
+  - src/core/ext/census/grpc_filter.c
+  - src/core/ext/census/grpc_plugin.c
+  - src/core/ext/census/initialize.c
+  - src/core/ext/census/mlog.c
+  - src/core/ext/census/operation.c
+  - src/core/ext/census/placeholders.c
+  - src/core/ext/census/tracing.c
+  plugin: census_grpc_plugin
+  uses:
+  - grpc_base
+- name: gpr_base
   public_headers:
   - include/grpc/support/alloc.h
   - include/grpc/support/atm.h
@@ -54,63 +63,65 @@ filegroups:
   - include/grpc/support/tls_pthread.h
   - include/grpc/support/useful.h
   headers:
-  - src/core/profiling/timers.h
-  - src/core/support/backoff.h
-  - src/core/support/block_annotate.h
-  - src/core/support/env.h
-  - src/core/support/load_file.h
-  - src/core/support/murmur_hash.h
-  - src/core/support/stack_lockfree.h
-  - src/core/support/string.h
-  - src/core/support/string_win32.h
-  - src/core/support/thd_internal.h
-  - src/core/support/time_precise.h
-  - src/core/support/tmpfile.h
-  src:
-  - src/core/profiling/basic_timers.c
-  - src/core/profiling/stap_timers.c
-  - src/core/support/alloc.c
-  - src/core/support/avl.c
-  - src/core/support/backoff.c
-  - src/core/support/cmdline.c
-  - src/core/support/cpu_iphone.c
-  - src/core/support/cpu_linux.c
-  - src/core/support/cpu_posix.c
-  - src/core/support/cpu_windows.c
-  - src/core/support/env_linux.c
-  - src/core/support/env_posix.c
-  - src/core/support/env_win32.c
-  - src/core/support/histogram.c
-  - src/core/support/host_port.c
-  - src/core/support/load_file.c
-  - src/core/support/log.c
-  - src/core/support/log_android.c
-  - src/core/support/log_linux.c
-  - src/core/support/log_posix.c
-  - src/core/support/log_win32.c
-  - src/core/support/murmur_hash.c
-  - src/core/support/slice.c
-  - src/core/support/slice_buffer.c
-  - src/core/support/stack_lockfree.c
-  - src/core/support/string.c
-  - src/core/support/string_posix.c
-  - src/core/support/string_win32.c
-  - src/core/support/subprocess_posix.c
-  - src/core/support/subprocess_windows.c
-  - src/core/support/sync.c
-  - src/core/support/sync_posix.c
-  - src/core/support/sync_win32.c
-  - src/core/support/thd.c
-  - src/core/support/thd_posix.c
-  - src/core/support/thd_win32.c
-  - src/core/support/time.c
-  - src/core/support/time_posix.c
-  - src/core/support/time_precise.c
-  - src/core/support/time_win32.c
-  - src/core/support/tls_pthread.c
-  - src/core/support/tmpfile_posix.c
-  - src/core/support/tmpfile_win32.c
-  - src/core/support/wrap_memcpy.c
+  - src/core/lib/profiling/timers.h
+  - src/core/lib/support/backoff.h
+  - src/core/lib/support/block_annotate.h
+  - src/core/lib/support/env.h
+  - src/core/lib/support/load_file.h
+  - src/core/lib/support/murmur_hash.h
+  - src/core/lib/support/stack_lockfree.h
+  - src/core/lib/support/string.h
+  - src/core/lib/support/string_win32.h
+  - src/core/lib/support/thd_internal.h
+  - src/core/lib/support/time_precise.h
+  - src/core/lib/support/tmpfile.h
+  src:
+  - src/core/lib/profiling/basic_timers.c
+  - src/core/lib/profiling/stap_timers.c
+  - src/core/lib/support/alloc.c
+  - src/core/lib/support/avl.c
+  - src/core/lib/support/backoff.c
+  - src/core/lib/support/cmdline.c
+  - src/core/lib/support/cpu_iphone.c
+  - src/core/lib/support/cpu_linux.c
+  - src/core/lib/support/cpu_posix.c
+  - src/core/lib/support/cpu_windows.c
+  - src/core/lib/support/env_linux.c
+  - src/core/lib/support/env_posix.c
+  - src/core/lib/support/env_win32.c
+  - src/core/lib/support/histogram.c
+  - src/core/lib/support/host_port.c
+  - src/core/lib/support/load_file.c
+  - src/core/lib/support/log.c
+  - src/core/lib/support/log_android.c
+  - src/core/lib/support/log_linux.c
+  - src/core/lib/support/log_posix.c
+  - src/core/lib/support/log_win32.c
+  - src/core/lib/support/murmur_hash.c
+  - src/core/lib/support/slice.c
+  - src/core/lib/support/slice_buffer.c
+  - src/core/lib/support/stack_lockfree.c
+  - src/core/lib/support/string.c
+  - src/core/lib/support/string_posix.c
+  - src/core/lib/support/string_win32.c
+  - src/core/lib/support/subprocess_posix.c
+  - src/core/lib/support/subprocess_windows.c
+  - src/core/lib/support/sync.c
+  - src/core/lib/support/sync_posix.c
+  - src/core/lib/support/sync_win32.c
+  - src/core/lib/support/thd.c
+  - src/core/lib/support/thd_posix.c
+  - src/core/lib/support/thd_win32.c
+  - src/core/lib/support/time.c
+  - src/core/lib/support/time_posix.c
+  - src/core/lib/support/time_precise.c
+  - src/core/lib/support/time_win32.c
+  - src/core/lib/support/tls_pthread.c
+  - src/core/lib/support/tmpfile_posix.c
+  - src/core/lib/support/tmpfile_win32.c
+  - src/core/lib/support/wrap_memcpy.c
+  uses:
+  - gpr_codegen
 - name: gpr_codegen
   public_headers:
   - include/grpc/impl/codegen/alloc.h
@@ -127,7 +138,438 @@ filegroups:
   - include/grpc/impl/codegen/sync_posix.h
   - include/grpc/impl/codegen/sync_win32.h
   - include/grpc/impl/codegen/time.h
+- name: grpc_base
+  public_headers:
+  - include/grpc/byte_buffer.h
+  - include/grpc/byte_buffer_reader.h
+  - include/grpc/compression.h
+  - include/grpc/grpc.h
+  - include/grpc/status.h
+  headers:
+  - src/core/lib/channel/channel_args.h
+  - src/core/lib/channel/channel_stack.h
+  - src/core/lib/channel/channel_stack_builder.h
+  - src/core/lib/channel/compress_filter.h
+  - src/core/lib/channel/connected_channel.h
+  - src/core/lib/channel/context.h
+  - src/core/lib/channel/http_client_filter.h
+  - src/core/lib/channel/http_server_filter.h
+  - src/core/lib/compression/algorithm_metadata.h
+  - src/core/lib/compression/message_compress.h
+  - src/core/lib/debug/trace.h
+  - src/core/lib/http/format_request.h
+  - src/core/lib/http/httpcli.h
+  - src/core/lib/http/parser.h
+  - src/core/lib/iomgr/closure.h
+  - src/core/lib/iomgr/endpoint.h
+  - src/core/lib/iomgr/endpoint_pair.h
+  - src/core/lib/iomgr/ev_poll_and_epoll_posix.h
+  - src/core/lib/iomgr/ev_posix.h
+  - src/core/lib/iomgr/exec_ctx.h
+  - src/core/lib/iomgr/executor.h
+  - src/core/lib/iomgr/iocp_windows.h
+  - src/core/lib/iomgr/iomgr.h
+  - src/core/lib/iomgr/iomgr_internal.h
+  - src/core/lib/iomgr/iomgr_posix.h
+  - src/core/lib/iomgr/pollset.h
+  - src/core/lib/iomgr/pollset_set.h
+  - src/core/lib/iomgr/pollset_set_windows.h
+  - src/core/lib/iomgr/pollset_windows.h
+  - src/core/lib/iomgr/resolve_address.h
+  - src/core/lib/iomgr/sockaddr.h
+  - src/core/lib/iomgr/sockaddr_posix.h
+  - src/core/lib/iomgr/sockaddr_utils.h
+  - src/core/lib/iomgr/sockaddr_win32.h
+  - src/core/lib/iomgr/socket_utils_posix.h
+  - src/core/lib/iomgr/socket_windows.h
+  - src/core/lib/iomgr/tcp_client.h
+  - src/core/lib/iomgr/tcp_posix.h
+  - src/core/lib/iomgr/tcp_server.h
+  - src/core/lib/iomgr/tcp_windows.h
+  - src/core/lib/iomgr/time_averaged_stats.h
+  - src/core/lib/iomgr/timer.h
+  - src/core/lib/iomgr/timer_heap.h
+  - src/core/lib/iomgr/udp_server.h
+  - src/core/lib/iomgr/unix_sockets_posix.h
+  - src/core/lib/iomgr/wakeup_fd_pipe.h
+  - src/core/lib/iomgr/wakeup_fd_posix.h
+  - src/core/lib/iomgr/workqueue.h
+  - src/core/lib/iomgr/workqueue_posix.h
+  - src/core/lib/iomgr/workqueue_windows.h
+  - src/core/lib/json/json.h
+  - src/core/lib/json/json_common.h
+  - src/core/lib/json/json_reader.h
+  - src/core/lib/json/json_writer.h
+  - src/core/lib/surface/api_trace.h
+  - src/core/lib/surface/call.h
+  - src/core/lib/surface/call_test_only.h
+  - src/core/lib/surface/channel.h
+  - src/core/lib/surface/channel_init.h
+  - src/core/lib/surface/channel_stack_type.h
+  - src/core/lib/surface/completion_queue.h
+  - src/core/lib/surface/event_string.h
+  - src/core/lib/surface/init.h
+  - src/core/lib/surface/lame_client.h
+  - src/core/lib/surface/server.h
+  - src/core/lib/surface/surface_trace.h
+  - src/core/lib/transport/byte_stream.h
+  - src/core/lib/transport/connectivity_state.h
+  - src/core/lib/transport/metadata.h
+  - src/core/lib/transport/metadata_batch.h
+  - src/core/lib/transport/static_metadata.h
+  - src/core/lib/transport/transport.h
+  - src/core/lib/transport/transport_impl.h
+  src:
+  - src/core/lib/channel/channel_args.c
+  - src/core/lib/channel/channel_stack.c
+  - src/core/lib/channel/channel_stack_builder.c
+  - src/core/lib/channel/compress_filter.c
+  - src/core/lib/channel/connected_channel.c
+  - src/core/lib/channel/http_client_filter.c
+  - src/core/lib/channel/http_server_filter.c
+  - src/core/lib/compression/compression_algorithm.c
+  - src/core/lib/compression/message_compress.c
+  - src/core/lib/debug/trace.c
+  - src/core/lib/http/format_request.c
+  - src/core/lib/http/httpcli.c
+  - src/core/lib/http/parser.c
+  - src/core/lib/iomgr/closure.c
+  - src/core/lib/iomgr/endpoint.c
+  - src/core/lib/iomgr/endpoint_pair_posix.c
+  - src/core/lib/iomgr/endpoint_pair_windows.c
+  - src/core/lib/iomgr/ev_poll_and_epoll_posix.c
+  - src/core/lib/iomgr/ev_posix.c
+  - src/core/lib/iomgr/exec_ctx.c
+  - src/core/lib/iomgr/executor.c
+  - src/core/lib/iomgr/iocp_windows.c
+  - src/core/lib/iomgr/iomgr.c
+  - src/core/lib/iomgr/iomgr_posix.c
+  - src/core/lib/iomgr/iomgr_windows.c
+  - src/core/lib/iomgr/pollset_set_windows.c
+  - src/core/lib/iomgr/pollset_windows.c
+  - src/core/lib/iomgr/resolve_address_posix.c
+  - src/core/lib/iomgr/resolve_address_windows.c
+  - src/core/lib/iomgr/sockaddr_utils.c
+  - src/core/lib/iomgr/socket_utils_common_posix.c
+  - src/core/lib/iomgr/socket_utils_linux.c
+  - src/core/lib/iomgr/socket_utils_posix.c
+  - src/core/lib/iomgr/socket_windows.c
+  - src/core/lib/iomgr/tcp_client_posix.c
+  - src/core/lib/iomgr/tcp_client_windows.c
+  - src/core/lib/iomgr/tcp_posix.c
+  - src/core/lib/iomgr/tcp_server_posix.c
+  - src/core/lib/iomgr/tcp_server_windows.c
+  - src/core/lib/iomgr/tcp_windows.c
+  - src/core/lib/iomgr/time_averaged_stats.c
+  - src/core/lib/iomgr/timer.c
+  - src/core/lib/iomgr/timer_heap.c
+  - src/core/lib/iomgr/udp_server.c
+  - src/core/lib/iomgr/unix_sockets_posix.c
+  - src/core/lib/iomgr/unix_sockets_posix_noop.c
+  - src/core/lib/iomgr/wakeup_fd_eventfd.c
+  - src/core/lib/iomgr/wakeup_fd_nospecial.c
+  - src/core/lib/iomgr/wakeup_fd_pipe.c
+  - src/core/lib/iomgr/wakeup_fd_posix.c
+  - src/core/lib/iomgr/workqueue_posix.c
+  - src/core/lib/iomgr/workqueue_windows.c
+  - src/core/lib/json/json.c
+  - src/core/lib/json/json_reader.c
+  - src/core/lib/json/json_string.c
+  - src/core/lib/json/json_writer.c
+  - src/core/lib/surface/alarm.c
+  - src/core/lib/surface/api_trace.c
+  - src/core/lib/surface/byte_buffer.c
+  - src/core/lib/surface/byte_buffer_reader.c
+  - src/core/lib/surface/call.c
+  - src/core/lib/surface/call_details.c
+  - src/core/lib/surface/call_log_batch.c
+  - src/core/lib/surface/channel.c
+  - src/core/lib/surface/channel_init.c
+  - src/core/lib/surface/channel_ping.c
+  - src/core/lib/surface/channel_stack_type.c
+  - src/core/lib/surface/completion_queue.c
+  - src/core/lib/surface/event_string.c
+  - src/core/lib/surface/lame_client.c
+  - src/core/lib/surface/metadata_array.c
+  - src/core/lib/surface/server.c
+  - src/core/lib/surface/validate_metadata.c
+  - src/core/lib/surface/version.c
+  - src/core/lib/transport/byte_stream.c
+  - src/core/lib/transport/connectivity_state.c
+  - src/core/lib/transport/metadata.c
+  - src/core/lib/transport/metadata_batch.c
+  - src/core/lib/transport/static_metadata.c
+  - src/core/lib/transport/transport.c
+  - src/core/lib/transport/transport_op_string.c
+  deps:
+  - gpr
+  uses:
+  - grpc_codegen
+- name: grpc_client_config
+  headers:
+  - src/core/ext/client_config/client_channel.h
+  - src/core/ext/client_config/client_channel_factory.h
+  - src/core/ext/client_config/client_config.h
+  - src/core/ext/client_config/connector.h
+  - src/core/ext/client_config/initial_connect_string.h
+  - src/core/ext/client_config/lb_policy.h
+  - src/core/ext/client_config/lb_policy_factory.h
+  - src/core/ext/client_config/lb_policy_registry.h
+  - src/core/ext/client_config/parse_address.h
+  - src/core/ext/client_config/resolver.h
+  - src/core/ext/client_config/resolver_factory.h
+  - src/core/ext/client_config/resolver_registry.h
+  - src/core/ext/client_config/subchannel.h
+  - src/core/ext/client_config/subchannel_call_holder.h
+  - src/core/ext/client_config/subchannel_index.h
+  - src/core/ext/client_config/uri_parser.h
+  src:
+  - src/core/ext/client_config/channel_connectivity.c
+  - src/core/ext/client_config/client_channel.c
+  - src/core/ext/client_config/client_channel_factory.c
+  - src/core/ext/client_config/client_config.c
+  - src/core/ext/client_config/client_config_plugin.c
+  - src/core/ext/client_config/connector.c
+  - src/core/ext/client_config/default_initial_connect_string.c
+  - src/core/ext/client_config/initial_connect_string.c
+  - src/core/ext/client_config/lb_policy.c
+  - src/core/ext/client_config/lb_policy_factory.c
+  - src/core/ext/client_config/lb_policy_registry.c
+  - src/core/ext/client_config/parse_address.c
+  - src/core/ext/client_config/resolver.c
+  - src/core/ext/client_config/resolver_factory.c
+  - src/core/ext/client_config/resolver_registry.c
+  - src/core/ext/client_config/subchannel.c
+  - src/core/ext/client_config/subchannel_call_holder.c
+  - src/core/ext/client_config/subchannel_index.c
+  - src/core/ext/client_config/uri_parser.c
+  plugin: grpc_client_config
+  uses:
+  - grpc_base
+- name: grpc_codegen
+  public_headers:
+  - include/grpc/impl/codegen/byte_buffer.h
+  - include/grpc/impl/codegen/compression_types.h
+  - include/grpc/impl/codegen/connectivity_state.h
+  - include/grpc/impl/codegen/grpc_types.h
+  - include/grpc/impl/codegen/propagation_bits.h
+  - include/grpc/impl/codegen/status.h
+  uses:
+  - gpr_codegen
+- name: grpc_lb_policy_grpclb
+  headers:
+  - src/core/ext/lb_policy/grpclb/load_balancer_api.h
+  - src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h
+  src:
+  - src/core/ext/lb_policy/grpclb/load_balancer_api.c
+  - src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c
+  uses:
+  - grpc_base
+  - grpc_client_config
+  - nanopb
+- name: grpc_lb_policy_pick_first
+  src:
+  - src/core/ext/lb_policy/pick_first/pick_first.c
+  plugin: grpc_lb_policy_pick_first
+  uses:
+  - grpc_base
+  - grpc_client_config
+- name: grpc_lb_policy_round_robin
+  src:
+  - src/core/ext/lb_policy/round_robin/round_robin.c
+  plugin: grpc_lb_policy_round_robin
+  uses:
+  - grpc_base
+  - grpc_client_config
+- name: grpc_resolver_dns_native
+  src:
+  - src/core/ext/resolver/dns/native/dns_resolver.c
+  plugin: grpc_resolver_dns_native
+  uses:
+  - grpc_base
+  - grpc_client_config
+- name: grpc_resolver_sockaddr
+  src:
+  - src/core/ext/resolver/sockaddr/sockaddr_resolver.c
+  plugin: grpc_resolver_sockaddr
+  uses:
+  - grpc_base
+  - grpc_client_config
+- name: grpc_secure
+  public_headers:
+  - include/grpc/grpc_security.h
+  - include/grpc/grpc_security_constants.h
+  headers:
+  - src/core/lib/security/auth_filters.h
+  - src/core/lib/security/b64.h
+  - src/core/lib/security/credentials.h
+  - src/core/lib/security/handshake.h
+  - src/core/lib/security/json_token.h
+  - src/core/lib/security/jwt_verifier.h
+  - src/core/lib/security/secure_endpoint.h
+  - src/core/lib/security/security_connector.h
+  - src/core/lib/security/security_context.h
+  src:
+  - src/core/lib/http/httpcli_security_connector.c
+  - src/core/lib/security/b64.c
+  - src/core/lib/security/client_auth_filter.c
+  - src/core/lib/security/credentials.c
+  - src/core/lib/security/credentials_metadata.c
+  - src/core/lib/security/credentials_posix.c
+  - src/core/lib/security/credentials_win32.c
+  - src/core/lib/security/google_default_credentials.c
+  - src/core/lib/security/handshake.c
+  - src/core/lib/security/json_token.c
+  - src/core/lib/security/jwt_verifier.c
+  - src/core/lib/security/secure_endpoint.c
+  - src/core/lib/security/security_connector.c
+  - src/core/lib/security/security_context.c
+  - src/core/lib/security/server_auth_filter.c
+  - src/core/lib/surface/init_secure.c
+  secure: true
+  uses:
+  - grpc_base
+  - grpc_transport_chttp2_alpn
+  - tsi
+- name: grpc_test_util_base
+  build: test
+  headers:
+  - test/core/end2end/cq_verifier.h
+  - test/core/end2end/fixtures/proxy.h
+  - test/core/iomgr/endpoint_tests.h
+  - test/core/util/grpc_profiler.h
+  - test/core/util/memory_counters.h
+  - test/core/util/mock_endpoint.h
+  - test/core/util/parse_hexstring.h
+  - test/core/util/passthru_endpoint.h
+  - test/core/util/port.h
+  - test/core/util/port_server_client.h
+  - test/core/util/slice_splitter.h
+  src:
+  - test/core/end2end/cq_verifier.c
+  - test/core/end2end/fixtures/proxy.c
+  - test/core/iomgr/endpoint_tests.c
+  - test/core/util/grpc_profiler.c
+  - test/core/util/memory_counters.c
+  - test/core/util/mock_endpoint.c
+  - test/core/util/parse_hexstring.c
+  - test/core/util/passthru_endpoint.c
+  - test/core/util/port_posix.c
+  - test/core/util/port_server_client.c
+  - test/core/util/port_windows.c
+  - test/core/util/slice_splitter.c
+  deps:
+  - grpc
+  - gpr_test_util
+- name: grpc_transport_chttp2
+  headers:
+  - src/core/ext/transport/chttp2/transport/bin_encoder.h
+  - src/core/ext/transport/chttp2/transport/chttp2_transport.h
+  - src/core/ext/transport/chttp2/transport/frame.h
+  - src/core/ext/transport/chttp2/transport/frame_data.h
+  - src/core/ext/transport/chttp2/transport/frame_goaway.h
+  - src/core/ext/transport/chttp2/transport/frame_ping.h
+  - src/core/ext/transport/chttp2/transport/frame_rst_stream.h
+  - src/core/ext/transport/chttp2/transport/frame_settings.h
+  - src/core/ext/transport/chttp2/transport/frame_window_update.h
+  - src/core/ext/transport/chttp2/transport/hpack_encoder.h
+  - src/core/ext/transport/chttp2/transport/hpack_parser.h
+  - src/core/ext/transport/chttp2/transport/hpack_table.h
+  - src/core/ext/transport/chttp2/transport/http2_errors.h
+  - src/core/ext/transport/chttp2/transport/huffsyms.h
+  - src/core/ext/transport/chttp2/transport/incoming_metadata.h
+  - src/core/ext/transport/chttp2/transport/internal.h
+  - src/core/ext/transport/chttp2/transport/status_conversion.h
+  - src/core/ext/transport/chttp2/transport/stream_map.h
+  - src/core/ext/transport/chttp2/transport/timeout_encoding.h
+  - src/core/ext/transport/chttp2/transport/varint.h
+  src:
+  - src/core/ext/transport/chttp2/transport/bin_encoder.c
+  - src/core/ext/transport/chttp2/transport/chttp2_plugin.c
+  - src/core/ext/transport/chttp2/transport/chttp2_transport.c
+  - src/core/ext/transport/chttp2/transport/frame_data.c
+  - src/core/ext/transport/chttp2/transport/frame_goaway.c
+  - src/core/ext/transport/chttp2/transport/frame_ping.c
+  - src/core/ext/transport/chttp2/transport/frame_rst_stream.c
+  - src/core/ext/transport/chttp2/transport/frame_settings.c
+  - src/core/ext/transport/chttp2/transport/frame_window_update.c
+  - src/core/ext/transport/chttp2/transport/hpack_encoder.c
+  - src/core/ext/transport/chttp2/transport/hpack_parser.c
+  - src/core/ext/transport/chttp2/transport/hpack_table.c
+  - src/core/ext/transport/chttp2/transport/huffsyms.c
+  - src/core/ext/transport/chttp2/transport/incoming_metadata.c
+  - src/core/ext/transport/chttp2/transport/parsing.c
+  - src/core/ext/transport/chttp2/transport/status_conversion.c
+  - src/core/ext/transport/chttp2/transport/stream_lists.c
+  - src/core/ext/transport/chttp2/transport/stream_map.c
+  - src/core/ext/transport/chttp2/transport/timeout_encoding.c
+  - src/core/ext/transport/chttp2/transport/varint.c
+  - src/core/ext/transport/chttp2/transport/writing.c
+  plugin: grpc_chttp2_plugin
+  uses:
+  - grpc_base
+  - grpc_transport_chttp2_alpn
+- name: grpc_transport_chttp2_alpn
+  headers:
+  - src/core/ext/transport/chttp2/alpn/alpn.h
+  src:
+  - src/core/ext/transport/chttp2/alpn/alpn.c
+  deps:
+  - gpr
+- name: grpc_transport_chttp2_client_insecure
+  src:
+  - src/core/ext/transport/chttp2/client/insecure/channel_create.c
+  uses:
+  - grpc_transport_chttp2
+  - grpc_base
+  - grpc_client_config
+- name: grpc_transport_chttp2_client_secure
+  src:
+  - src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
+  uses:
+  - grpc_transport_chttp2
+  - grpc_base
+  - grpc_client_config
+  - grpc_secure
+- name: grpc_transport_chttp2_server_insecure
+  src:
+  - src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
+  uses:
+  - grpc_transport_chttp2
+  - grpc_base
+- name: grpc_transport_chttp2_server_secure
+  src:
+  - src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c
+  uses:
+  - grpc_transport_chttp2
+  - grpc_base
+  - grpc_secure
+- name: nanopb
+  headers:
+  - third_party/nanopb/pb.h
+  - third_party/nanopb/pb_common.h
+  - third_party/nanopb/pb_decode.h
+  - third_party/nanopb/pb_encode.h
+  src:
+  - third_party/nanopb/pb_common.c
+  - third_party/nanopb/pb_decode.c
+  - third_party/nanopb/pb_encode.c
+- name: tsi
+  headers:
+  - src/core/lib/tsi/fake_transport_security.h
+  - src/core/lib/tsi/ssl_transport_security.h
+  - src/core/lib/tsi/ssl_types.h
+  - src/core/lib/tsi/transport_security.h
+  - src/core/lib/tsi/transport_security_interface.h
+  src:
+  - src/core/lib/tsi/fake_transport_security.c
+  - src/core/lib/tsi/ssl_transport_security.c
+  - src/core/lib/tsi/transport_security.c
+  deps:
+  - gpr
+  secure: true
 - name: grpc++_base
+  language: c++
   public_headers:
   - include/grpc++/alarm.h
   - include/grpc++/channel.h
@@ -164,8 +606,6 @@ filegroups:
   - include/grpc++/support/async_unary_call.h
   - include/grpc++/support/byte_buffer.h
   - include/grpc++/support/channel_arguments.h
-  - include/grpc++/support/config.h
-  - include/grpc++/support/config_protobuf.h
   - include/grpc++/support/slice.h
   - include/grpc++/support/status.h
   - include/grpc++/support/status_code_enum.h
@@ -176,7 +616,6 @@ filegroups:
   headers:
   - src/cpp/client/create_channel_internal.h
   - src/cpp/common/core_codegen.h
-  - src/cpp/common/create_auth_context.h
   - src/cpp/server/dynamic_thread_pool.h
   - src/cpp/server/thread_pool_interface.h
   src:
@@ -204,7 +643,13 @@ filegroups:
   - src/cpp/util/status.cc
   - src/cpp/util/string_ref.cc
   - src/cpp/util/time.cc
+  deps:
+  - grpc
+  uses:
+  - grpc++_codegen
+  - grpc++_config
 - name: grpc++_codegen
+  language: c++
   public_headers:
   - include/grpc++/impl/codegen/async_stream.h
   - include/grpc++/impl/codegen/async_unary_call.h
@@ -215,9 +660,8 @@ filegroups:
   - include/grpc++/impl/codegen/client_unary_call.h
   - include/grpc++/impl/codegen/completion_queue.h
   - include/grpc++/impl/codegen/completion_queue_tag.h
-  - include/grpc++/impl/codegen/config.h
-  - include/grpc++/impl/codegen/config_protobuf.h
   - include/grpc++/impl/codegen/core_codegen_interface.h
+  - include/grpc++/impl/codegen/create_auth_context.h
   - include/grpc++/impl/codegen/grpc_library.h
   - include/grpc++/impl/codegen/method_handler_impl.h
   - include/grpc++/impl/codegen/proto_utils.h
@@ -239,341 +683,27 @@ filegroups:
   - include/grpc++/impl/codegen/time.h
   src:
   - src/cpp/codegen/codegen_init.cc
-- name: grpc_base
+  uses:
+  - grpc_codegen
+  - grpc++_config_codegen
+- name: grpc++_config
+  language: c++
   public_headers:
-  - include/grpc/byte_buffer.h
-  - include/grpc/byte_buffer_reader.h
-  - include/grpc/compression.h
-  - include/grpc/grpc.h
-  - include/grpc/status.h
-  headers:
-  - src/core/census/grpc_filter.h
-  - src/core/channel/channel_args.h
-  - src/core/channel/channel_stack.h
-  - src/core/channel/client_channel.h
-  - src/core/channel/client_uchannel.h
-  - src/core/channel/compress_filter.h
-  - src/core/channel/connected_channel.h
-  - src/core/channel/context.h
-  - src/core/channel/http_client_filter.h
-  - src/core/channel/http_server_filter.h
-  - src/core/channel/subchannel_call_holder.h
-  - src/core/client_config/client_config.h
-  - src/core/client_config/connector.h
-  - src/core/client_config/initial_connect_string.h
-  - src/core/client_config/lb_policies/load_balancer_api.h
-  - src/core/client_config/lb_policies/pick_first.h
-  - src/core/client_config/lb_policies/round_robin.h
-  - src/core/client_config/lb_policy.h
-  - src/core/client_config/lb_policy_factory.h
-  - src/core/client_config/lb_policy_registry.h
-  - src/core/client_config/resolver.h
-  - src/core/client_config/resolver_factory.h
-  - src/core/client_config/resolver_registry.h
-  - src/core/client_config/resolvers/dns_resolver.h
-  - src/core/client_config/resolvers/sockaddr_resolver.h
-  - src/core/client_config/subchannel.h
-  - src/core/client_config/subchannel_factory.h
-  - src/core/client_config/subchannel_index.h
-  - src/core/client_config/uri_parser.h
-  - src/core/compression/algorithm_metadata.h
-  - src/core/compression/message_compress.h
-  - src/core/debug/trace.h
-  - src/core/httpcli/format_request.h
-  - src/core/httpcli/httpcli.h
-  - src/core/httpcli/parser.h
-  - src/core/iomgr/closure.h
-  - src/core/iomgr/endpoint.h
-  - src/core/iomgr/endpoint_pair.h
-  - src/core/iomgr/exec_ctx.h
-  - src/core/iomgr/executor.h
-  - src/core/iomgr/fd_posix.h
-  - src/core/iomgr/iocp_windows.h
-  - src/core/iomgr/iomgr.h
-  - src/core/iomgr/iomgr_internal.h
-  - src/core/iomgr/iomgr_posix.h
-  - src/core/iomgr/pollset.h
-  - src/core/iomgr/pollset_posix.h
-  - src/core/iomgr/pollset_set.h
-  - src/core/iomgr/pollset_set_posix.h
-  - src/core/iomgr/pollset_set_windows.h
-  - src/core/iomgr/pollset_windows.h
-  - src/core/iomgr/resolve_address.h
-  - src/core/iomgr/sockaddr.h
-  - src/core/iomgr/sockaddr_posix.h
-  - src/core/iomgr/sockaddr_utils.h
-  - src/core/iomgr/sockaddr_win32.h
-  - src/core/iomgr/socket_utils_posix.h
-  - src/core/iomgr/socket_windows.h
-  - src/core/iomgr/tcp_client.h
-  - src/core/iomgr/tcp_posix.h
-  - src/core/iomgr/tcp_server.h
-  - src/core/iomgr/tcp_windows.h
-  - src/core/iomgr/time_averaged_stats.h
-  - src/core/iomgr/timer.h
-  - src/core/iomgr/timer_heap.h
-  - src/core/iomgr/udp_server.h
-  - src/core/iomgr/wakeup_fd_pipe.h
-  - src/core/iomgr/wakeup_fd_posix.h
-  - src/core/iomgr/workqueue.h
-  - src/core/iomgr/workqueue_posix.h
-  - src/core/iomgr/workqueue_windows.h
-  - src/core/json/json.h
-  - src/core/json/json_common.h
-  - src/core/json/json_reader.h
-  - src/core/json/json_writer.h
-  - src/core/proto/grpc/lb/v0/load_balancer.pb.h
-  - src/core/statistics/census_interface.h
-  - src/core/statistics/census_rpc_stats.h
-  - src/core/surface/api_trace.h
-  - src/core/surface/call.h
-  - src/core/surface/call_test_only.h
-  - src/core/surface/channel.h
-  - src/core/surface/completion_queue.h
-  - src/core/surface/event_string.h
-  - src/core/surface/init.h
-  - src/core/surface/server.h
-  - src/core/surface/surface_trace.h
-  - src/core/transport/byte_stream.h
-  - src/core/transport/chttp2/alpn.h
-  - src/core/transport/chttp2/bin_encoder.h
-  - src/core/transport/chttp2/frame.h
-  - src/core/transport/chttp2/frame_data.h
-  - src/core/transport/chttp2/frame_goaway.h
-  - src/core/transport/chttp2/frame_ping.h
-  - src/core/transport/chttp2/frame_rst_stream.h
-  - src/core/transport/chttp2/frame_settings.h
-  - src/core/transport/chttp2/frame_window_update.h
-  - src/core/transport/chttp2/hpack_encoder.h
-  - src/core/transport/chttp2/hpack_parser.h
-  - src/core/transport/chttp2/hpack_table.h
-  - src/core/transport/chttp2/http2_errors.h
-  - src/core/transport/chttp2/huffsyms.h
-  - src/core/transport/chttp2/incoming_metadata.h
-  - src/core/transport/chttp2/internal.h
-  - src/core/transport/chttp2/status_conversion.h
-  - src/core/transport/chttp2/stream_map.h
-  - src/core/transport/chttp2/timeout_encoding.h
-  - src/core/transport/chttp2/varint.h
-  - src/core/transport/chttp2_transport.h
-  - src/core/transport/connectivity_state.h
-  - src/core/transport/metadata.h
-  - src/core/transport/metadata_batch.h
-  - src/core/transport/static_metadata.h
-  - src/core/transport/transport.h
-  - src/core/transport/transport_impl.h
-  src:
-  - src/core/census/grpc_context.c
-  - src/core/census/grpc_filter.c
-  - src/core/channel/channel_args.c
-  - src/core/channel/channel_stack.c
-  - src/core/channel/client_channel.c
-  - src/core/channel/client_uchannel.c
-  - src/core/channel/compress_filter.c
-  - src/core/channel/connected_channel.c
-  - src/core/channel/http_client_filter.c
-  - src/core/channel/http_server_filter.c
-  - src/core/channel/subchannel_call_holder.c
-  - src/core/client_config/client_config.c
-  - src/core/client_config/connector.c
-  - src/core/client_config/default_initial_connect_string.c
-  - src/core/client_config/initial_connect_string.c
-  - src/core/client_config/lb_policies/load_balancer_api.c
-  - src/core/client_config/lb_policies/pick_first.c
-  - src/core/client_config/lb_policies/round_robin.c
-  - src/core/client_config/lb_policy.c
-  - src/core/client_config/lb_policy_factory.c
-  - src/core/client_config/lb_policy_registry.c
-  - src/core/client_config/resolver.c
-  - src/core/client_config/resolver_factory.c
-  - src/core/client_config/resolver_registry.c
-  - src/core/client_config/resolvers/dns_resolver.c
-  - src/core/client_config/resolvers/sockaddr_resolver.c
-  - src/core/client_config/subchannel.c
-  - src/core/client_config/subchannel_factory.c
-  - src/core/client_config/subchannel_index.c
-  - src/core/client_config/uri_parser.c
-  - src/core/compression/compression_algorithm.c
-  - src/core/compression/message_compress.c
-  - src/core/debug/trace.c
-  - src/core/httpcli/format_request.c
-  - src/core/httpcli/httpcli.c
-  - src/core/httpcli/parser.c
-  - src/core/iomgr/closure.c
-  - src/core/iomgr/endpoint.c
-  - src/core/iomgr/endpoint_pair_posix.c
-  - src/core/iomgr/endpoint_pair_windows.c
-  - src/core/iomgr/exec_ctx.c
-  - src/core/iomgr/executor.c
-  - src/core/iomgr/fd_posix.c
-  - src/core/iomgr/iocp_windows.c
-  - src/core/iomgr/iomgr.c
-  - src/core/iomgr/iomgr_posix.c
-  - src/core/iomgr/iomgr_windows.c
-  - src/core/iomgr/pollset_multipoller_with_epoll.c
-  - src/core/iomgr/pollset_multipoller_with_poll_posix.c
-  - src/core/iomgr/pollset_posix.c
-  - src/core/iomgr/pollset_set_posix.c
-  - src/core/iomgr/pollset_set_windows.c
-  - src/core/iomgr/pollset_windows.c
-  - src/core/iomgr/resolve_address_posix.c
-  - src/core/iomgr/resolve_address_windows.c
-  - src/core/iomgr/sockaddr_utils.c
-  - src/core/iomgr/socket_utils_common_posix.c
-  - src/core/iomgr/socket_utils_linux.c
-  - src/core/iomgr/socket_utils_posix.c
-  - src/core/iomgr/socket_windows.c
-  - src/core/iomgr/tcp_client_posix.c
-  - src/core/iomgr/tcp_client_windows.c
-  - src/core/iomgr/tcp_posix.c
-  - src/core/iomgr/tcp_server_posix.c
-  - src/core/iomgr/tcp_server_windows.c
-  - src/core/iomgr/tcp_windows.c
-  - src/core/iomgr/time_averaged_stats.c
-  - src/core/iomgr/timer.c
-  - src/core/iomgr/timer_heap.c
-  - src/core/iomgr/udp_server.c
-  - src/core/iomgr/wakeup_fd_eventfd.c
-  - src/core/iomgr/wakeup_fd_nospecial.c
-  - src/core/iomgr/wakeup_fd_pipe.c
-  - src/core/iomgr/wakeup_fd_posix.c
-  - src/core/iomgr/workqueue_posix.c
-  - src/core/iomgr/workqueue_windows.c
-  - src/core/json/json.c
-  - src/core/json/json_reader.c
-  - src/core/json/json_string.c
-  - src/core/json/json_writer.c
-  - src/core/proto/grpc/lb/v0/load_balancer.pb.c
-  - src/core/surface/alarm.c
-  - src/core/surface/api_trace.c
-  - src/core/surface/byte_buffer.c
-  - src/core/surface/byte_buffer_reader.c
-  - src/core/surface/call.c
-  - src/core/surface/call_details.c
-  - src/core/surface/call_log_batch.c
-  - src/core/surface/channel.c
-  - src/core/surface/channel_connectivity.c
-  - src/core/surface/channel_create.c
-  - src/core/surface/channel_ping.c
-  - src/core/surface/completion_queue.c
-  - src/core/surface/event_string.c
-  - src/core/surface/init.c
-  - src/core/surface/lame_client.c
-  - src/core/surface/metadata_array.c
-  - src/core/surface/server.c
-  - src/core/surface/server_chttp2.c
-  - src/core/surface/server_create.c
-  - src/core/surface/validate_metadata.c
-  - src/core/surface/version.c
-  - src/core/transport/byte_stream.c
-  - src/core/transport/chttp2/alpn.c
-  - src/core/transport/chttp2/bin_encoder.c
-  - src/core/transport/chttp2/frame_data.c
-  - src/core/transport/chttp2/frame_goaway.c
-  - src/core/transport/chttp2/frame_ping.c
-  - src/core/transport/chttp2/frame_rst_stream.c
-  - src/core/transport/chttp2/frame_settings.c
-  - src/core/transport/chttp2/frame_window_update.c
-  - src/core/transport/chttp2/hpack_encoder.c
-  - src/core/transport/chttp2/hpack_parser.c
-  - src/core/transport/chttp2/hpack_table.c
-  - src/core/transport/chttp2/huffsyms.c
-  - src/core/transport/chttp2/incoming_metadata.c
-  - src/core/transport/chttp2/parsing.c
-  - src/core/transport/chttp2/status_conversion.c
-  - src/core/transport/chttp2/stream_lists.c
-  - src/core/transport/chttp2/stream_map.c
-  - src/core/transport/chttp2/timeout_encoding.c
-  - src/core/transport/chttp2/varint.c
-  - src/core/transport/chttp2/writing.c
-  - src/core/transport/chttp2_transport.c
-  - src/core/transport/connectivity_state.c
-  - src/core/transport/metadata.c
-  - src/core/transport/metadata_batch.c
-  - src/core/transport/static_metadata.c
-  - src/core/transport/transport.c
-  - src/core/transport/transport_op_string.c
-- name: grpc_codegen
+  - include/grpc++/support/config.h
+  - include/grpc++/support/config_protobuf.h
+  uses:
+  - grpc++_config_codegen
+- name: grpc++_config_codegen
+  language: c++
   public_headers:
-  - include/grpc/impl/codegen/byte_buffer.h
-  - include/grpc/impl/codegen/compression_types.h
-  - include/grpc/impl/codegen/connectivity_state.h
-  - include/grpc/impl/codegen/grpc_types.h
-  - include/grpc/impl/codegen/propagation_bits.h
-  - include/grpc/impl/codegen/status.h
-- name: grpc_secure
-  headers:
-  - src/core/security/auth_filters.h
-  - src/core/security/b64.h
-  - src/core/security/credentials.h
-  - src/core/security/handshake.h
-  - src/core/security/json_token.h
-  - src/core/security/jwt_verifier.h
-  - src/core/security/secure_endpoint.h
-  - src/core/security/security_connector.h
-  - src/core/security/security_context.h
-  - src/core/tsi/fake_transport_security.h
-  - src/core/tsi/ssl_transport_security.h
-  - src/core/tsi/ssl_types.h
-  - src/core/tsi/transport_security.h
-  - src/core/tsi/transport_security_interface.h
-  src:
-  - src/core/httpcli/httpcli_security_connector.c
-  - src/core/security/b64.c
-  - src/core/security/client_auth_filter.c
-  - src/core/security/credentials.c
-  - src/core/security/credentials_metadata.c
-  - src/core/security/credentials_posix.c
-  - src/core/security/credentials_win32.c
-  - src/core/security/google_default_credentials.c
-  - src/core/security/handshake.c
-  - src/core/security/json_token.c
-  - src/core/security/jwt_verifier.c
-  - src/core/security/secure_endpoint.c
-  - src/core/security/security_connector.c
-  - src/core/security/security_context.c
-  - src/core/security/server_auth_filter.c
-  - src/core/security/server_secure_chttp2.c
-  - src/core/surface/init_secure.c
-  - src/core/surface/secure_channel_create.c
-  - src/core/tsi/fake_transport_security.c
-  - src/core/tsi/ssl_transport_security.c
-  - src/core/tsi/transport_security.c
-- name: grpc_test_util_base
-  headers:
-  - test/core/end2end/cq_verifier.h
-  - test/core/end2end/fixtures/proxy.h
-  - test/core/iomgr/endpoint_tests.h
-  - test/core/util/grpc_profiler.h
-  - test/core/util/parse_hexstring.h
-  - test/core/util/port.h
-  - test/core/util/slice_splitter.h
-  src:
-  - test/core/end2end/cq_verifier.c
-  - test/core/end2end/fixtures/proxy.c
-  - test/core/iomgr/endpoint_tests.c
-  - test/core/util/grpc_profiler.c
-  - test/core/util/parse_hexstring.c
-  - test/core/util/port_posix.c
-  - test/core/util/port_windows.c
-  - test/core/util/slice_splitter.c
-- name: nanopb
-  headers:
-  - third_party/nanopb/pb.h
-  - third_party/nanopb/pb_common.h
-  - third_party/nanopb/pb_decode.h
-  - third_party/nanopb/pb_encode.h
-  src:
-  - third_party/nanopb/pb_common.c
-  - third_party/nanopb/pb_decode.c
-  - third_party/nanopb/pb_encode.c
+  - include/grpc++/impl/codegen/config.h
+  - include/grpc++/impl/codegen/config_protobuf.h
 libs:
 - name: gpr
   build: all
   language: c
   filegroups:
-  - gpr
-  - gpr_codegen
+  - gpr_base
   secure: false
   vs_project_guid: '{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}'
 - name: gpr_test_util
@@ -590,34 +720,30 @@ libs:
 - name: grpc
   build: all
   language: c
-  public_headers:
-  - include/grpc/grpc_security.h
-  deps:
-  - gpr
+  src:
+  - src/core/lib/surface/init.c
   baselib: true
   deps_linkage: static
   dll: true
   filegroups:
   - grpc_base
+  - grpc_transport_chttp2_server_secure
+  - grpc_transport_chttp2_client_secure
+  - grpc_transport_chttp2_server_insecure
+  - grpc_transport_chttp2_client_insecure
+  - grpc_lb_policy_grpclb
+  - grpc_lb_policy_pick_first
+  - grpc_lb_policy_round_robin
+  - grpc_resolver_dns_native
+  - grpc_resolver_sockaddr
   - grpc_secure
-  - grpc_codegen
   - census
-  - nanopb
+  generate_plugin_registry: true
   secure: true
   vs_packages:
   - grpc.dependencies.openssl
   - grpc.dependencies.zlib
   vs_project_guid: '{29D16885-7228-4C31-81ED-5F9187C7F2A9}'
-- name: grpc_codegen_lib
-  build: protoc
-  language: c
-  headers: []
-  src: []
-  filegroups:
-  - gpr_codegen
-  - grpc_codegen
-  secure: false
-  vs_project_guid: '{A828FD72-44CE-4EA5-8966-6E4624458D58}'
 - name: grpc_dll
   build: private
   language: c
@@ -646,6 +772,7 @@ libs:
   - test/core/end2end/data/ssl_test_data.h
   - test/core/security/oauth2_utils.h
   src:
+  - test/core/end2end/data/client_certs.c
   - test/core/end2end/data/server1_cert.c
   - test/core/end2end/data/server1_key.c
   - test/core/end2end/data/test_root_cert.c
@@ -672,17 +799,22 @@ libs:
   build: all
   language: c
   src:
-  - src/core/surface/init_unsecure.c
-  deps:
-  - gpr
+  - src/core/lib/surface/init.c
+  - src/core/lib/surface/init_unsecure.c
   baselib: true
   deps_linkage: static
   dll: true
   filegroups:
   - grpc_base
-  - grpc_codegen
+  - grpc_transport_chttp2_server_insecure
+  - grpc_transport_chttp2_client_insecure
+  - grpc_resolver_dns_native
+  - grpc_resolver_sockaddr
+  - grpc_lb_policy_grpclb
+  - grpc_lb_policy_pick_first
+  - grpc_lb_policy_round_robin
   - census
-  - nanopb
+  generate_plugin_registry: true
   secure: false
   vs_project_guid: '{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}'
 - name: grpc_zookeeper
@@ -690,10 +822,8 @@ libs:
   language: c
   public_headers:
   - include/grpc/grpc_zookeeper.h
-  headers:
-  - src/core/client_config/resolvers/zookeeper_resolver.h
   src:
-  - src/core/client_config/resolvers/zookeeper_resolver.c
+  - src/core/ext/resolver/zookeeper/zookeeper_resolver.c
   deps:
   - gpr
   - grpc
@@ -751,17 +881,6 @@ libs:
   - grpc++_codegen
   secure: check
   vs_project_guid: '{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}'
-- name: grpc++_codegen_lib
-  build: protoc
-  language: c++
-  headers: []
-  src: []
-  filegroups:
-  - gpr_codegen
-  - grpc_codegen
-  - grpc++_codegen
-  secure: false
-  vs_project_guid: '{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}'
 - name: grpc++_test_config
   build: private
   language: c++
@@ -813,14 +932,14 @@ libs:
   build: protoc
   language: c++
   headers:
-  - include/grpc++/support/config.h
-  - include/grpc++/support/config_protobuf.h
   - src/compiler/config.h
   - src/compiler/cpp_generator.h
   - src/compiler/cpp_generator_helpers.h
   - src/compiler/csharp_generator.h
   - src/compiler/csharp_generator_helpers.h
   - src/compiler/generator_helpers.h
+  - src/compiler/node_generator.h
+  - src/compiler/node_generator_helpers.h
   - src/compiler/objective_c_generator.h
   - src/compiler/objective_c_generator_helpers.h
   - src/compiler/python_generator.h
@@ -831,13 +950,12 @@ libs:
   src:
   - src/compiler/cpp_generator.cc
   - src/compiler/csharp_generator.cc
+  - src/compiler/node_generator.cc
   - src/compiler/objective_c_generator.cc
   - src/compiler/python_generator.cc
   - src/compiler/ruby_generator.cc
-  deps:
-  - grpc++_codegen_lib
   filegroups:
-  - gpr_codegen
+  - grpc++_config
   secure: false
   vs_project_guid: '{B6E81D84-2ACB-41B8-8781-493A944C7817}'
   vs_props:
@@ -1003,6 +1121,20 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: api_fuzzer
+  build: fuzzer
+  language: c
+  src:
+  - test/core/end2end/fuzzers/api_fuzzer.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/end2end/fuzzers/api_fuzzer_corpus
+  dict: test/core/end2end/fuzzers/api_fuzzer.dictionary
+  maxlen: 2048
 - name: bin_encoder_test
   build: test
   language: c
@@ -1071,6 +1203,20 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: client_fuzzer
+  build: fuzzer
+  language: c
+  src:
+  - test/core/end2end/fuzzers/client_fuzzer.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/end2end/fuzzers/client_fuzzer_corpus
+  dict: test/core/end2end/fuzzers/hpack.dictionary
+  maxlen: 2048
 - name: compression_test
   build: test
   language: c
@@ -1231,6 +1377,21 @@ targets:
   src:
   - tools/codegen/core/gen_legal_metadata_characters.c
   deps: []
+- name: goaway_server_test
+  cpu_cost: 0.1
+  build: test
+  language: c
+  src:
+  - test/core/end2end/goaway_server_test.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  platforms:
+  - mac
+  - linux
+  - posix
 - name: gpr_avl_test
   build: test
   language: c
@@ -1532,6 +1693,20 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: hpack_parser_fuzzer_test
+  build: fuzzer
+  language: c
+  src:
+  - test/core/transport/chttp2/hpack_parser_fuzzer_test.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/transport/chttp2/hpack_parser_corpus
+  dict: test/core/end2end/fuzzers/hpack.dictionary
+  maxlen: 512
 - name: hpack_parser_test
   build: test
   language: c
@@ -1552,21 +1727,34 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
-- name: httpcli_format_request_test
+- name: http_fuzzer_test
+  build: fuzzer
+  language: c
+  src:
+  - test/core/http/fuzzer.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/http/corpus
+  maxlen: 2048
+- name: http_parser_test
   build: test
   language: c
   src:
-  - test/core/httpcli/format_request_test.c
+  - test/core/http/parser_test.c
   deps:
   - grpc_test_util
   - grpc
   - gpr_test_util
   - gpr
-- name: httpcli_parser_test
+- name: httpcli_format_request_test
   build: test
   language: c
   src:
-  - test/core/httpcli/parser_test.c
+  - test/core/http/format_request_test.c
   deps:
   - grpc_test_util
   - grpc
@@ -1577,7 +1765,7 @@ targets:
   build: test
   language: c
   src:
-  - test/core/httpcli/httpcli_test.c
+  - test/core/http/httpcli_test.c
   deps:
   - grpc_test_util
   - grpc
@@ -1592,7 +1780,7 @@ targets:
   build: test
   language: c
   src:
-  - test/core/httpcli/httpscli_test.c
+  - test/core/http/httpscli_test.c
   deps:
   - grpc_test_util
   - grpc
@@ -1610,6 +1798,39 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: internal_api_canary_iomgr_test
+  build: test
+  run: false
+  language: c
+  src:
+  - test/core/internal_api_canaries/iomgr.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+- name: internal_api_canary_support_test
+  build: test
+  run: false
+  language: c
+  src:
+  - test/core/internal_api_canaries/iomgr.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+- name: internal_api_canary_transport_test
+  build: test
+  run: false
+  language: c
+  src:
+  - test/core/internal_api_canaries/iomgr.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
 - name: invalid_call_argument_test
   build: test
   language: c
@@ -1620,6 +1841,19 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: json_fuzzer_test
+  build: fuzzer
+  language: c
+  src:
+  - test/core/json/fuzzer.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/json/corpus
+  maxlen: 512
 - name: json_rewrite
   build: test
   run: false
@@ -1671,6 +1905,7 @@ targets:
   - gpr
 - name: lb_policies_test
   cpu_cost: 0.1
+  flaky: true
   build: test
   language: c
   src:
@@ -1705,6 +1940,7 @@ targets:
   - gpr_test_util
   - gpr
 - name: mlog_test
+  flaky: true
   build: test
   language: c
   src:
@@ -1732,6 +1968,32 @@ targets:
   deps:
   - gpr_test_util
   - gpr
+- name: nanopb_fuzzer_response_test
+  build: fuzzer
+  language: c
+  src:
+  - test/core/nanopb/fuzzer_response.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/nanopb/corpus_response
+  maxlen: 128
+- name: nanopb_fuzzer_serverlist_test
+  build: fuzzer
+  language: c
+  src:
+  - test/core/nanopb/fuzzer_serverlist.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/nanopb/corpus_serverlist
+  maxlen: 128
 - name: no_server_test
   cpu_cost: 0.1
   build: test
@@ -1783,6 +2045,20 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: server_fuzzer
+  build: fuzzer
+  language: c
+  src:
+  - test/core/end2end/fuzzers/server_fuzzer.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/end2end/fuzzers/server_fuzzer_corpus
+  dict: test/core/end2end/fuzzers/hpack.dictionary
+  maxlen: 2048
 - name: server_test
   build: test
   language: c
@@ -1981,6 +2257,19 @@ targets:
   - mac
   - linux
   - posix
+- name: uri_fuzzer_test
+  build: fuzzer
+  language: c
+  src:
+  - test/core/client_config/uri_fuzzer_test.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/client_config/uri_corpus
+  maxlen: 128
 - name: uri_parser_test
   build: test
   language: c
@@ -2132,7 +2421,7 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
-- name: codegen_test
+- name: codegen_test_full
   gtest: true
   build: test
   language: c++
@@ -2143,9 +2432,27 @@ targets:
   - src/proto/grpc/testing/perf_db.proto
   - src/proto/grpc/testing/services.proto
   - src/proto/grpc/testing/stats.proto
-  - test/cpp/codegen/codegen_test.cc
+  - test/cpp/codegen/codegen_test_full.cc
   deps:
-  - grpc++_codegen_lib
+  - grpc++
+  - grpc
+  - gpr
+  filegroups:
+  - grpc++_codegen
+- name: codegen_test_minimal
+  gtest: true
+  build: test
+  language: c++
+  src:
+  - src/proto/grpc/testing/control.proto
+  - src/proto/grpc/testing/messages.proto
+  - src/proto/grpc/testing/payloads.proto
+  - src/proto/grpc/testing/perf_db.proto
+  - src/proto/grpc/testing/services.proto
+  - src/proto/grpc/testing/stats.proto
+  - test/cpp/codegen/codegen_test_minimal.cc
+  filegroups:
+  - grpc++_codegen
 - name: credentials_test
   gtest: true
   build: test
@@ -2244,6 +2551,17 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: golden_file_test
+  gtest: true
+  build: test
+  language: c++
+  src:
+  - src/proto/grpc/testing/compiler_test.proto
+  - test/cpp/codegen/golden_file_test.cc
+  deps:
+  - grpc++
+  - grpc
+  - gpr
 - name: grpc_cli
   build: test
   run: false
@@ -2278,6 +2596,15 @@ targets:
   secure: false
   vs_config_type: Application
   vs_project_guid: '{3C813052-A49A-4662-B90A-1ADBEC7EE453}'
+- name: grpc_node_plugin
+  build: protoc
+  language: c++
+  src:
+  - src/compiler/node_plugin.cc
+  deps:
+  - grpc_plugin_support
+  secure: false
+  vs_config_type: Application
 - name: grpc_objective_c_plugin
   build: protoc
   language: c++
@@ -2386,6 +2713,20 @@ targets:
   - mac
   - linux
   - posix
+- name: json_run_localhost
+  build: test
+  run: false
+  language: c++
+  src:
+  - test/cpp/qps/json_run_localhost.cc
+  deps:
+  - grpc++_test_util
+  - grpc_test_util
+  - grpc++
+  - grpc
+  - gpr_test_util
+  - gpr
+  - grpc++_test_config
 - name: metrics_client
   build: test
   run: false
@@ -2413,11 +2754,12 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
-- name: qps_driver
-  build: benchmark
+- name: qps_interarrival_test
+  build: test
+  run: false
   language: c++
   src:
-  - test/cpp/qps/qps_driver.cc
+  - test/cpp/qps/qps_interarrival_test.cc
   deps:
   - qps
   - grpc++_test_util
@@ -2426,13 +2768,19 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
-  - grpc++_test_config
-- name: qps_interarrival_test
+  platforms:
+  - mac
+  - linux
+  - posix
+- name: qps_json_driver
   build: test
   run: false
   language: c++
+  headers:
+  - test/cpp/qps/parse_json.h
   src:
-  - test/cpp/qps/qps_interarrival_test.cc
+  - test/cpp/qps/parse_json.cc
+  - test/cpp/qps/qps_json_driver.cc
   deps:
   - qps
   - grpc++_test_util
@@ -2441,10 +2789,7 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
-  platforms:
-  - mac
-  - linux
-  - posix
+  - grpc++_test_config
 - name: qps_openloop_test
   cpu_cost: 0.5
   build: test
@@ -2484,7 +2829,8 @@ targets:
   - linux
   - posix
 - name: qps_worker
-  build: benchmark
+  build: test
+  run: false
   language: c++
   headers:
   - test/cpp/qps/client.h
@@ -2762,8 +3108,8 @@ vspackages:
 configs:
   asan:
     CC: clang
-    CPPFLAGS: -O0 -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument
-      -DGPR_NO_DIRECT_SYSCALLS
+    CPPFLAGS: -O0 -fsanitize-coverage=edge -fsanitize=address -fno-omit-frame-pointer
+      -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
     CXX: clang++
     LD: clang
     LDFLAGS: -fsanitize=address
@@ -2775,8 +3121,8 @@ configs:
     timeout_multiplier: 3
   asan-noleaks:
     CC: clang
-    CPPFLAGS: -O0 -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument
-      -DGPR_NO_DIRECT_SYSCALLS
+    CPPFLAGS: -O0 -fsanitize-coverage=edge -fsanitize=address -fno-omit-frame-pointer
+      -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
     CXX: clang++
     LD: clang
     LDFLAGS: -fsanitize=address
@@ -2785,6 +3131,19 @@ configs:
     test_environ:
       ASAN_OPTIONS: detect_leaks=0:color=always
     timeout_multiplier: 3
+  asan-trace-cmp:
+    CC: clang
+    CPPFLAGS: -O0 -fsanitize-coverage=edge -fsanitize-coverage=trace-cmp -fsanitize=address
+      -fno-omit-frame-pointer -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
+    CXX: clang++
+    LD: clang
+    LDFLAGS: -fsanitize=address
+    LDXX: clang++
+    compile_the_world: true
+    test_environ:
+      ASAN_OPTIONS: detect_leaks=1:color=always
+      LSAN_OPTIONS: suppressions=tools/lsan_suppressions.txt:report_objects=1
+    timeout_multiplier: 3
   basicprof:
     CPPFLAGS: -O2 -DGRPC_BASIC_PROFILER -DGRPC_TIMERS_RDTSC
     DEFINES: NDEBUG
@@ -2793,8 +3152,8 @@ configs:
     DEFINES: _DEBUG DEBUG
   easan:
     CC: clang
-    CPPFLAGS: -O0 -fsanitize=address -fno-omit-frame-pointer -Wno-unused-command-line-argument
-      -DGPR_NO_DIRECT_SYSCALLS
+    CPPFLAGS: -O0 -fsanitize-coverage=edge -fsanitize=address -fno-omit-frame-pointer
+      -Wno-unused-command-line-argument -DGPR_NO_DIRECT_SYSCALLS
     CXX: clang++
     DEFINES: _DEBUG DEBUG GRPC_EXECUTION_CONTEXT_SANITIZER
     LD: clang
@@ -2811,11 +3170,11 @@ configs:
   etsan:
     CC: clang
     CPPFLAGS: -O0 -fsanitize=thread -fno-omit-frame-pointer -Wno-unused-command-line-argument
-      -fPIE -pie -DGPR_NO_DIRECT_SYSCALLS
+      -DGPR_NO_DIRECT_SYSCALLS
     CXX: clang++
     DEFINES: _DEBUG DEBUG GRPC_EXECUTION_CONTEXT_SANITIZER
     LD: clang
-    LDFLAGS: -fsanitize=thread -fPIE -pie $(if $(JENKINS_BUILD),-Wl$(comma)-Ttext-segment=0x7e0000000000,)
+    LDFLAGS: -fsanitize=thread
     LDXX: clang++
     compile_the_world: true
     test_environ:
@@ -2843,9 +3202,9 @@ configs:
     valgrind: --tool=memcheck --leak-check=full
   msan:
     CC: clang
-    CPPFLAGS: -O0 -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer
-      -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1 -Wno-unused-command-line-argument
-      -fPIE -pie -DGPR_NO_DIRECT_SYSCALLS
+    CPPFLAGS: -O0 -fsanitize-coverage=edge -fsanitize=memory -fsanitize-memory-track-origins
+      -fno-omit-frame-pointer -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1
+      -Wno-unused-command-line-argument -fPIE -pie -DGPR_NO_DIRECT_SYSCALLS
     CXX: clang++
     DEFINES: NDEBUG
     LD: clang
@@ -2867,10 +3226,10 @@ configs:
   tsan:
     CC: clang
     CPPFLAGS: -O0 -fsanitize=thread -fno-omit-frame-pointer -Wno-unused-command-line-argument
-      -fPIE -pie -DGPR_NO_DIRECT_SYSCALLS
+      -DGPR_NO_DIRECT_SYSCALLS
     CXX: clang++
     LD: clang
-    LDFLAGS: -fsanitize=thread -fPIE -pie $(if $(JENKINS_BUILD),-Wl$(comma)-Ttext-segment=0x7e0000000000,)
+    LDFLAGS: -fsanitize=thread
     LDXX: clang++
     compile_the_world: true
     test_environ:
@@ -2878,7 +3237,8 @@ configs:
     timeout_multiplier: 5
   ubsan:
     CC: clang
-    CPPFLAGS: -O1 -fsanitize=undefined -fno-omit-frame-pointer -Wno-unused-command-line-argument
+    CPPFLAGS: -O1 -fsanitize-coverage=edge -fsanitize=undefined -fno-omit-frame-pointer
+      -Wno-unused-command-line-argument
     CXX: clang++
     DEFINES: NDEBUG
     LD: clang
@@ -2935,7 +3295,7 @@ node_modules:
   - src/node/ext/server_credentials.cc
   - src/node/ext/timeval.cc
 openssl_fallback:
-  base_uri: http://openssl.org/source/
+  base_uri: https://openssl.org/source/old/1.0.2/
   extraction_dir: openssl-1.0.2f
   tarball: openssl-1.0.2f.tar.gz
 php_config_m4:
diff --git a/config.m4 b/config.m4
index 013303838e047ed9a49f2994757603cabb0f81e2..2d930a648e17e4ee9c1673deee87cb98f1696a68 100644
--- a/config.m4
+++ b/config.m4
@@ -36,210 +36,215 @@ if test "$PHP_GRPC" != "no"; then
     src/php/ext/grpc/server.c \
     src/php/ext/grpc/server_credentials.c \
     src/php/ext/grpc/timeval.c \
-    src/core/profiling/basic_timers.c \
-    src/core/profiling/stap_timers.c \
-    src/core/support/alloc.c \
-    src/core/support/avl.c \
-    src/core/support/backoff.c \
-    src/core/support/cmdline.c \
-    src/core/support/cpu_iphone.c \
-    src/core/support/cpu_linux.c \
-    src/core/support/cpu_posix.c \
-    src/core/support/cpu_windows.c \
-    src/core/support/env_linux.c \
-    src/core/support/env_posix.c \
-    src/core/support/env_win32.c \
-    src/core/support/histogram.c \
-    src/core/support/host_port.c \
-    src/core/support/load_file.c \
-    src/core/support/log.c \
-    src/core/support/log_android.c \
-    src/core/support/log_linux.c \
-    src/core/support/log_posix.c \
-    src/core/support/log_win32.c \
-    src/core/support/murmur_hash.c \
-    src/core/support/slice.c \
-    src/core/support/slice_buffer.c \
-    src/core/support/stack_lockfree.c \
-    src/core/support/string.c \
-    src/core/support/string_posix.c \
-    src/core/support/string_win32.c \
-    src/core/support/subprocess_posix.c \
-    src/core/support/subprocess_windows.c \
-    src/core/support/sync.c \
-    src/core/support/sync_posix.c \
-    src/core/support/sync_win32.c \
-    src/core/support/thd.c \
-    src/core/support/thd_posix.c \
-    src/core/support/thd_win32.c \
-    src/core/support/time.c \
-    src/core/support/time_posix.c \
-    src/core/support/time_precise.c \
-    src/core/support/time_win32.c \
-    src/core/support/tls_pthread.c \
-    src/core/support/tmpfile_posix.c \
-    src/core/support/tmpfile_win32.c \
-    src/core/support/wrap_memcpy.c \
-    src/core/census/grpc_context.c \
-    src/core/census/grpc_filter.c \
-    src/core/channel/channel_args.c \
-    src/core/channel/channel_stack.c \
-    src/core/channel/client_channel.c \
-    src/core/channel/client_uchannel.c \
-    src/core/channel/compress_filter.c \
-    src/core/channel/connected_channel.c \
-    src/core/channel/http_client_filter.c \
-    src/core/channel/http_server_filter.c \
-    src/core/channel/subchannel_call_holder.c \
-    src/core/client_config/client_config.c \
-    src/core/client_config/connector.c \
-    src/core/client_config/default_initial_connect_string.c \
-    src/core/client_config/initial_connect_string.c \
-    src/core/client_config/lb_policies/load_balancer_api.c \
-    src/core/client_config/lb_policies/pick_first.c \
-    src/core/client_config/lb_policies/round_robin.c \
-    src/core/client_config/lb_policy.c \
-    src/core/client_config/lb_policy_factory.c \
-    src/core/client_config/lb_policy_registry.c \
-    src/core/client_config/resolver.c \
-    src/core/client_config/resolver_factory.c \
-    src/core/client_config/resolver_registry.c \
-    src/core/client_config/resolvers/dns_resolver.c \
-    src/core/client_config/resolvers/sockaddr_resolver.c \
-    src/core/client_config/subchannel.c \
-    src/core/client_config/subchannel_factory.c \
-    src/core/client_config/subchannel_index.c \
-    src/core/client_config/uri_parser.c \
-    src/core/compression/compression_algorithm.c \
-    src/core/compression/message_compress.c \
-    src/core/debug/trace.c \
-    src/core/httpcli/format_request.c \
-    src/core/httpcli/httpcli.c \
-    src/core/httpcli/parser.c \
-    src/core/iomgr/closure.c \
-    src/core/iomgr/endpoint.c \
-    src/core/iomgr/endpoint_pair_posix.c \
-    src/core/iomgr/endpoint_pair_windows.c \
-    src/core/iomgr/exec_ctx.c \
-    src/core/iomgr/executor.c \
-    src/core/iomgr/fd_posix.c \
-    src/core/iomgr/iocp_windows.c \
-    src/core/iomgr/iomgr.c \
-    src/core/iomgr/iomgr_posix.c \
-    src/core/iomgr/iomgr_windows.c \
-    src/core/iomgr/pollset_multipoller_with_epoll.c \
-    src/core/iomgr/pollset_multipoller_with_poll_posix.c \
-    src/core/iomgr/pollset_posix.c \
-    src/core/iomgr/pollset_set_posix.c \
-    src/core/iomgr/pollset_set_windows.c \
-    src/core/iomgr/pollset_windows.c \
-    src/core/iomgr/resolve_address_posix.c \
-    src/core/iomgr/resolve_address_windows.c \
-    src/core/iomgr/sockaddr_utils.c \
-    src/core/iomgr/socket_utils_common_posix.c \
-    src/core/iomgr/socket_utils_linux.c \
-    src/core/iomgr/socket_utils_posix.c \
-    src/core/iomgr/socket_windows.c \
-    src/core/iomgr/tcp_client_posix.c \
-    src/core/iomgr/tcp_client_windows.c \
-    src/core/iomgr/tcp_posix.c \
-    src/core/iomgr/tcp_server_posix.c \
-    src/core/iomgr/tcp_server_windows.c \
-    src/core/iomgr/tcp_windows.c \
-    src/core/iomgr/time_averaged_stats.c \
-    src/core/iomgr/timer.c \
-    src/core/iomgr/timer_heap.c \
-    src/core/iomgr/udp_server.c \
-    src/core/iomgr/wakeup_fd_eventfd.c \
-    src/core/iomgr/wakeup_fd_nospecial.c \
-    src/core/iomgr/wakeup_fd_pipe.c \
-    src/core/iomgr/wakeup_fd_posix.c \
-    src/core/iomgr/workqueue_posix.c \
-    src/core/iomgr/workqueue_windows.c \
-    src/core/json/json.c \
-    src/core/json/json_reader.c \
-    src/core/json/json_string.c \
-    src/core/json/json_writer.c \
-    src/core/proto/grpc/lb/v0/load_balancer.pb.c \
-    src/core/surface/alarm.c \
-    src/core/surface/api_trace.c \
-    src/core/surface/byte_buffer.c \
-    src/core/surface/byte_buffer_reader.c \
-    src/core/surface/call.c \
-    src/core/surface/call_details.c \
-    src/core/surface/call_log_batch.c \
-    src/core/surface/channel.c \
-    src/core/surface/channel_connectivity.c \
-    src/core/surface/channel_create.c \
-    src/core/surface/channel_ping.c \
-    src/core/surface/completion_queue.c \
-    src/core/surface/event_string.c \
-    src/core/surface/init.c \
-    src/core/surface/lame_client.c \
-    src/core/surface/metadata_array.c \
-    src/core/surface/server.c \
-    src/core/surface/server_chttp2.c \
-    src/core/surface/server_create.c \
-    src/core/surface/validate_metadata.c \
-    src/core/surface/version.c \
-    src/core/transport/byte_stream.c \
-    src/core/transport/chttp2/alpn.c \
-    src/core/transport/chttp2/bin_encoder.c \
-    src/core/transport/chttp2/frame_data.c \
-    src/core/transport/chttp2/frame_goaway.c \
-    src/core/transport/chttp2/frame_ping.c \
-    src/core/transport/chttp2/frame_rst_stream.c \
-    src/core/transport/chttp2/frame_settings.c \
-    src/core/transport/chttp2/frame_window_update.c \
-    src/core/transport/chttp2/hpack_encoder.c \
-    src/core/transport/chttp2/hpack_parser.c \
-    src/core/transport/chttp2/hpack_table.c \
-    src/core/transport/chttp2/huffsyms.c \
-    src/core/transport/chttp2/incoming_metadata.c \
-    src/core/transport/chttp2/parsing.c \
-    src/core/transport/chttp2/status_conversion.c \
-    src/core/transport/chttp2/stream_lists.c \
-    src/core/transport/chttp2/stream_map.c \
-    src/core/transport/chttp2/timeout_encoding.c \
-    src/core/transport/chttp2/varint.c \
-    src/core/transport/chttp2/writing.c \
-    src/core/transport/chttp2_transport.c \
-    src/core/transport/connectivity_state.c \
-    src/core/transport/metadata.c \
-    src/core/transport/metadata_batch.c \
-    src/core/transport/static_metadata.c \
-    src/core/transport/transport.c \
-    src/core/transport/transport_op_string.c \
-    src/core/httpcli/httpcli_security_connector.c \
-    src/core/security/b64.c \
-    src/core/security/client_auth_filter.c \
-    src/core/security/credentials.c \
-    src/core/security/credentials_metadata.c \
-    src/core/security/credentials_posix.c \
-    src/core/security/credentials_win32.c \
-    src/core/security/google_default_credentials.c \
-    src/core/security/handshake.c \
-    src/core/security/json_token.c \
-    src/core/security/jwt_verifier.c \
-    src/core/security/secure_endpoint.c \
-    src/core/security/security_connector.c \
-    src/core/security/security_context.c \
-    src/core/security/server_auth_filter.c \
-    src/core/security/server_secure_chttp2.c \
-    src/core/surface/init_secure.c \
-    src/core/surface/secure_channel_create.c \
-    src/core/tsi/fake_transport_security.c \
-    src/core/tsi/ssl_transport_security.c \
-    src/core/tsi/transport_security.c \
-    src/core/census/context.c \
-    src/core/census/initialize.c \
-    src/core/census/mlog.c \
-    src/core/census/operation.c \
-    src/core/census/placeholders.c \
-    src/core/census/tracing.c \
+    src/core/lib/profiling/basic_timers.c \
+    src/core/lib/profiling/stap_timers.c \
+    src/core/lib/support/alloc.c \
+    src/core/lib/support/avl.c \
+    src/core/lib/support/backoff.c \
+    src/core/lib/support/cmdline.c \
+    src/core/lib/support/cpu_iphone.c \
+    src/core/lib/support/cpu_linux.c \
+    src/core/lib/support/cpu_posix.c \
+    src/core/lib/support/cpu_windows.c \
+    src/core/lib/support/env_linux.c \
+    src/core/lib/support/env_posix.c \
+    src/core/lib/support/env_win32.c \
+    src/core/lib/support/histogram.c \
+    src/core/lib/support/host_port.c \
+    src/core/lib/support/load_file.c \
+    src/core/lib/support/log.c \
+    src/core/lib/support/log_android.c \
+    src/core/lib/support/log_linux.c \
+    src/core/lib/support/log_posix.c \
+    src/core/lib/support/log_win32.c \
+    src/core/lib/support/murmur_hash.c \
+    src/core/lib/support/slice.c \
+    src/core/lib/support/slice_buffer.c \
+    src/core/lib/support/stack_lockfree.c \
+    src/core/lib/support/string.c \
+    src/core/lib/support/string_posix.c \
+    src/core/lib/support/string_win32.c \
+    src/core/lib/support/subprocess_posix.c \
+    src/core/lib/support/subprocess_windows.c \
+    src/core/lib/support/sync.c \
+    src/core/lib/support/sync_posix.c \
+    src/core/lib/support/sync_win32.c \
+    src/core/lib/support/thd.c \
+    src/core/lib/support/thd_posix.c \
+    src/core/lib/support/thd_win32.c \
+    src/core/lib/support/time.c \
+    src/core/lib/support/time_posix.c \
+    src/core/lib/support/time_precise.c \
+    src/core/lib/support/time_win32.c \
+    src/core/lib/support/tls_pthread.c \
+    src/core/lib/support/tmpfile_posix.c \
+    src/core/lib/support/tmpfile_win32.c \
+    src/core/lib/support/wrap_memcpy.c \
+    src/core/lib/surface/init.c \
+    src/core/lib/channel/channel_args.c \
+    src/core/lib/channel/channel_stack.c \
+    src/core/lib/channel/channel_stack_builder.c \
+    src/core/lib/channel/compress_filter.c \
+    src/core/lib/channel/connected_channel.c \
+    src/core/lib/channel/http_client_filter.c \
+    src/core/lib/channel/http_server_filter.c \
+    src/core/lib/compression/compression_algorithm.c \
+    src/core/lib/compression/message_compress.c \
+    src/core/lib/debug/trace.c \
+    src/core/lib/http/format_request.c \
+    src/core/lib/http/httpcli.c \
+    src/core/lib/http/parser.c \
+    src/core/lib/iomgr/closure.c \
+    src/core/lib/iomgr/endpoint.c \
+    src/core/lib/iomgr/endpoint_pair_posix.c \
+    src/core/lib/iomgr/endpoint_pair_windows.c \
+    src/core/lib/iomgr/ev_poll_and_epoll_posix.c \
+    src/core/lib/iomgr/ev_posix.c \
+    src/core/lib/iomgr/exec_ctx.c \
+    src/core/lib/iomgr/executor.c \
+    src/core/lib/iomgr/iocp_windows.c \
+    src/core/lib/iomgr/iomgr.c \
+    src/core/lib/iomgr/iomgr_posix.c \
+    src/core/lib/iomgr/iomgr_windows.c \
+    src/core/lib/iomgr/pollset_set_windows.c \
+    src/core/lib/iomgr/pollset_windows.c \
+    src/core/lib/iomgr/resolve_address_posix.c \
+    src/core/lib/iomgr/resolve_address_windows.c \
+    src/core/lib/iomgr/sockaddr_utils.c \
+    src/core/lib/iomgr/socket_utils_common_posix.c \
+    src/core/lib/iomgr/socket_utils_linux.c \
+    src/core/lib/iomgr/socket_utils_posix.c \
+    src/core/lib/iomgr/socket_windows.c \
+    src/core/lib/iomgr/tcp_client_posix.c \
+    src/core/lib/iomgr/tcp_client_windows.c \
+    src/core/lib/iomgr/tcp_posix.c \
+    src/core/lib/iomgr/tcp_server_posix.c \
+    src/core/lib/iomgr/tcp_server_windows.c \
+    src/core/lib/iomgr/tcp_windows.c \
+    src/core/lib/iomgr/time_averaged_stats.c \
+    src/core/lib/iomgr/timer.c \
+    src/core/lib/iomgr/timer_heap.c \
+    src/core/lib/iomgr/udp_server.c \
+    src/core/lib/iomgr/unix_sockets_posix.c \
+    src/core/lib/iomgr/unix_sockets_posix_noop.c \
+    src/core/lib/iomgr/wakeup_fd_eventfd.c \
+    src/core/lib/iomgr/wakeup_fd_nospecial.c \
+    src/core/lib/iomgr/wakeup_fd_pipe.c \
+    src/core/lib/iomgr/wakeup_fd_posix.c \
+    src/core/lib/iomgr/workqueue_posix.c \
+    src/core/lib/iomgr/workqueue_windows.c \
+    src/core/lib/json/json.c \
+    src/core/lib/json/json_reader.c \
+    src/core/lib/json/json_string.c \
+    src/core/lib/json/json_writer.c \
+    src/core/lib/surface/alarm.c \
+    src/core/lib/surface/api_trace.c \
+    src/core/lib/surface/byte_buffer.c \
+    src/core/lib/surface/byte_buffer_reader.c \
+    src/core/lib/surface/call.c \
+    src/core/lib/surface/call_details.c \
+    src/core/lib/surface/call_log_batch.c \
+    src/core/lib/surface/channel.c \
+    src/core/lib/surface/channel_init.c \
+    src/core/lib/surface/channel_ping.c \
+    src/core/lib/surface/channel_stack_type.c \
+    src/core/lib/surface/completion_queue.c \
+    src/core/lib/surface/event_string.c \
+    src/core/lib/surface/lame_client.c \
+    src/core/lib/surface/metadata_array.c \
+    src/core/lib/surface/server.c \
+    src/core/lib/surface/validate_metadata.c \
+    src/core/lib/surface/version.c \
+    src/core/lib/transport/byte_stream.c \
+    src/core/lib/transport/connectivity_state.c \
+    src/core/lib/transport/metadata.c \
+    src/core/lib/transport/metadata_batch.c \
+    src/core/lib/transport/static_metadata.c \
+    src/core/lib/transport/transport.c \
+    src/core/lib/transport/transport_op_string.c \
+    src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c \
+    src/core/ext/transport/chttp2/transport/bin_encoder.c \
+    src/core/ext/transport/chttp2/transport/chttp2_plugin.c \
+    src/core/ext/transport/chttp2/transport/chttp2_transport.c \
+    src/core/ext/transport/chttp2/transport/frame_data.c \
+    src/core/ext/transport/chttp2/transport/frame_goaway.c \
+    src/core/ext/transport/chttp2/transport/frame_ping.c \
+    src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
+    src/core/ext/transport/chttp2/transport/frame_settings.c \
+    src/core/ext/transport/chttp2/transport/frame_window_update.c \
+    src/core/ext/transport/chttp2/transport/hpack_encoder.c \
+    src/core/ext/transport/chttp2/transport/hpack_parser.c \
+    src/core/ext/transport/chttp2/transport/hpack_table.c \
+    src/core/ext/transport/chttp2/transport/huffsyms.c \
+    src/core/ext/transport/chttp2/transport/incoming_metadata.c \
+    src/core/ext/transport/chttp2/transport/parsing.c \
+    src/core/ext/transport/chttp2/transport/status_conversion.c \
+    src/core/ext/transport/chttp2/transport/stream_lists.c \
+    src/core/ext/transport/chttp2/transport/stream_map.c \
+    src/core/ext/transport/chttp2/transport/timeout_encoding.c \
+    src/core/ext/transport/chttp2/transport/varint.c \
+    src/core/ext/transport/chttp2/transport/writing.c \
+    src/core/ext/transport/chttp2/alpn/alpn.c \
+    src/core/lib/http/httpcli_security_connector.c \
+    src/core/lib/security/b64.c \
+    src/core/lib/security/client_auth_filter.c \
+    src/core/lib/security/credentials.c \
+    src/core/lib/security/credentials_metadata.c \
+    src/core/lib/security/credentials_posix.c \
+    src/core/lib/security/credentials_win32.c \
+    src/core/lib/security/google_default_credentials.c \
+    src/core/lib/security/handshake.c \
+    src/core/lib/security/json_token.c \
+    src/core/lib/security/jwt_verifier.c \
+    src/core/lib/security/secure_endpoint.c \
+    src/core/lib/security/security_connector.c \
+    src/core/lib/security/security_context.c \
+    src/core/lib/security/server_auth_filter.c \
+    src/core/lib/surface/init_secure.c \
+    src/core/lib/tsi/fake_transport_security.c \
+    src/core/lib/tsi/ssl_transport_security.c \
+    src/core/lib/tsi/transport_security.c \
+    src/core/ext/transport/chttp2/client/secure/secure_channel_create.c \
+    src/core/ext/client_config/channel_connectivity.c \
+    src/core/ext/client_config/client_channel.c \
+    src/core/ext/client_config/client_channel_factory.c \
+    src/core/ext/client_config/client_config.c \
+    src/core/ext/client_config/client_config_plugin.c \
+    src/core/ext/client_config/connector.c \
+    src/core/ext/client_config/default_initial_connect_string.c \
+    src/core/ext/client_config/initial_connect_string.c \
+    src/core/ext/client_config/lb_policy.c \
+    src/core/ext/client_config/lb_policy_factory.c \
+    src/core/ext/client_config/lb_policy_registry.c \
+    src/core/ext/client_config/parse_address.c \
+    src/core/ext/client_config/resolver.c \
+    src/core/ext/client_config/resolver_factory.c \
+    src/core/ext/client_config/resolver_registry.c \
+    src/core/ext/client_config/subchannel.c \
+    src/core/ext/client_config/subchannel_call_holder.c \
+    src/core/ext/client_config/subchannel_index.c \
+    src/core/ext/client_config/uri_parser.c \
+    src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+    src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+    src/core/ext/lb_policy/grpclb/load_balancer_api.c \
+    src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
     third_party/nanopb/pb_common.c \
     third_party/nanopb/pb_decode.c \
     third_party/nanopb/pb_encode.c \
+    src/core/ext/lb_policy/pick_first/pick_first.c \
+    src/core/ext/lb_policy/round_robin/round_robin.c \
+    src/core/ext/resolver/dns/native/dns_resolver.c \
+    src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
+    src/core/ext/census/context.c \
+    src/core/ext/census/grpc_context.c \
+    src/core/ext/census/grpc_filter.c \
+    src/core/ext/census/grpc_plugin.c \
+    src/core/ext/census/initialize.c \
+    src/core/ext/census/mlog.c \
+    src/core/ext/census/operation.c \
+    src/core/ext/census/placeholders.c \
+    src/core/ext/census/tracing.c \
+    src/core/plugin_registry/grpc_plugin_registry.c \
     src/boringssl/err_data.c \
     third_party/boringssl/crypto/aes/aes.c \
     third_party/boringssl/crypto/aes/mode_wrappers.c \
@@ -312,6 +317,7 @@ if test "$PHP_GRPC" != "no"; then
     third_party/boringssl/crypto/bn/shift.c \
     third_party/boringssl/crypto/bn/sqrt.c \
     third_party/boringssl/crypto/buf/buf.c \
+    third_party/boringssl/crypto/bytestring/asn1_compat.c \
     third_party/boringssl/crypto/bytestring/ber.c \
     third_party/boringssl/crypto/bytestring/cbb.c \
     third_party/boringssl/crypto/bytestring/cbs.c \
@@ -335,6 +341,7 @@ if test "$PHP_GRPC" != "no"; then
     third_party/boringssl/crypto/cpu-intel.c \
     third_party/boringssl/crypto/crypto.c \
     third_party/boringssl/crypto/curve25519/curve25519.c \
+    third_party/boringssl/crypto/curve25519/x25519-x86_64.c \
     third_party/boringssl/crypto/des/des.c \
     third_party/boringssl/crypto/dh/check.c \
     third_party/boringssl/crypto/dh/dh.c \
@@ -526,6 +533,7 @@ if test "$PHP_GRPC" != "no"; then
     third_party/boringssl/ssl/ssl_buffer.c \
     third_party/boringssl/ssl/ssl_cert.c \
     third_party/boringssl/ssl/ssl_cipher.c \
+    third_party/boringssl/ssl/ssl_ecdh.c \
     third_party/boringssl/ssl/ssl_file.c \
     third_party/boringssl/ssl/ssl_lib.c \
     third_party/boringssl/ssl/ssl_rsa.c \
@@ -542,24 +550,33 @@ if test "$PHP_GRPC" != "no"; then
   PHP_ADD_BUILD_DIR($ext_builddir/src/php/ext/grpc)
 
   PHP_ADD_BUILD_DIR($ext_builddir/src/boringssl)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/census)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/channel)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/client_config)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/client_config/lb_policies)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/client_config/resolvers)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/compression)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/debug)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/httpcli)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/iomgr)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/json)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/profiling)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/proto/grpc/lb/v0)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/security)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/support)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/surface)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/transport)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/transport/chttp2)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/tsi)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/census)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/client_config)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/grpclb)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/pick_first)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/round_robin)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/resolver/dns/native)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/resolver/sockaddr)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/alpn)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/client/insecure)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/client/secure)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/server/insecure)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/server/secure)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/transport)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/channel)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/compression)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/debug)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/http)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/iomgr)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/json)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/profiling)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/security)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/support)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/surface)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/transport)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/tsi)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/plugin_registry)
   PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto)
   PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/aes)
   PHP_ADD_BUILD_DIR($ext_builddir/third_party/boringssl/crypto/asn1)
diff --git a/doc/binary-logging.md b/doc/binary-logging.md
new file mode 100644
index 0000000000000000000000000000000000000000..69020d9828513a03b6f27fb1df0438905db7318c
--- /dev/null
+++ b/doc/binary-logging.md
@@ -0,0 +1,59 @@
+# Binary Logging
+
+## Format
+
+The log format is described in [this proto file](src/proto/grpc/binary_log/v1alpha/log.proto). It is intended that multiple parts of the call will be logged in separate files, and then correlated by analysis tools using the rpc\_id.
+
+## API
+
+The binary logger will be a separate library from gRPC, in each language that we support. The user will need to explicitly call into the library to generate logs. The library will provide the ability to log sending or receiving, as relevant, the following on both the client and the server:
+
+ - Initial metadata
+ - Messages
+ - Status with trailing metadata from the server
+ - Additional key/value pairs that are associated with a call but not sent over the wire
+
+The following is an example of what such an API could look like in C++:
+
+```c++
+// The context provides the method_name, deadline, peer, and metadata contents.
+// direction = CLIENT_SEND
+LogRequestHeaders(ClientContext context);
+// direction = SERVER_RECV
+LogRequestHeaders(ServerContext context);
+
+// The context provides the metadata contents
+// direction = CLIENT_RECV
+LogResponseHeaders(ClientContext context);
+// direction = SERVER_SEND
+LogResponseHeaders(ServerContext context);
+
+// The context provides the metadata contents
+// direction = CLIENT_RECV
+LogStatus(ClientContext context, grpc_status_code code, string details);
+// direction = SERVER_SEND
+LogStatus(ServerContext context, grpc_status_code code, string details);
+
+// The context provides the user data contents
+// direction = CLIENT_SEND
+LogUserData(ClientContext context);
+// direction = SERVER_SEND
+LogUserData(ServerContext context);
+
+// direction = CLIENT_SEND
+LogRequestMessage(ClientContext context, uint32_t length, T message);
+// direction = SERVER_RECV
+LogRequestMessage(ServerContext context, uint32_t length, T message);
+// direction = CLIENT_RECV
+LogResponseMessage(ClientContext context, uint32_t length, T message);
+// direction = SERVER_SEND
+LogResponseMessage(ServerContext context, uint32_t length, T message);
+```
+
+In all of those cases, the `rpc_id` is provided by the context, and each combination of method and context argument type implies a single direction, as noted in the comments.
+
+For the message log functions, the `length` argument indicates the length of the complete message, and the `message` argument may be only part of the complete message, stripped of sensitive material and/or shortened for efficiency.
+
+## Language differences
+
+In other languages, more or less data will need to be passed explicitly as separate arguments. In some languages, for example, the metadata will be separate from the context-like object and will need to be passed as a separate argument.
diff --git a/doc/interop-test-descriptions.md b/doc/interop-test-descriptions.md
index 3beb1d11f4a8f2a28164376dadc704ada27f3030..6297b5cc3ef483c55c7466148407394fcdfeabb9 100644
--- a/doc/interop-test-descriptions.md
+++ b/doc/interop-test-descriptions.md
@@ -27,7 +27,7 @@ Clients should accept these arguments:
     * Whether to use a plaintext or encrypted connection
 * --use_test_ca=BOOLEAN
     * Whether to replace platform root CAs with
-      [ca.pem](https://github.com/grpc/grpc/blob/master/src/core/tsi/test_creds/ca.pem)
+      [ca.pem](https://github.com/grpc/grpc/blob/master/src/core/lib/tsi/test_creds/ca.pem)
       as the CA root
 * --default_service_account=ACCOUNT_EMAIL
     * Email of the GCE default service account. Only applicable
@@ -920,7 +920,7 @@ Servers should accept these arguments:
     * Whether to use a plaintext or encrypted connection
 
 Servers must support TLS with ALPN. They should use
-[server1.pem](https://github.com/grpc/grpc/blob/master/src/core/tsi/test_creds/server1.pem)
+[server1.pem](https://github.com/grpc/grpc/blob/master/src/core/lib/tsi/test_creds/server1.pem)
 for their certificate.
 
 ### EmptyCall
diff --git a/examples/cpp/helloworld/Makefile b/examples/cpp/helloworld/Makefile
index b785612935aa2b8abed65558ee0fe6e711215120..4b1867e2920545c15571839fd9ff355be6e51e62 100644
--- a/examples/cpp/helloworld/Makefile
+++ b/examples/cpp/helloworld/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/examples/cpp/helloworld/README.md b/examples/cpp/helloworld/README.md
index 8e11f7cdf3ee893858d261c75c4586aa13b16b1c..04283eabc350f3529a2350d52dcee3202fc651ed 100644
--- a/examples/cpp/helloworld/README.md
+++ b/examples/cpp/helloworld/README.md
@@ -207,7 +207,7 @@ completion queue to return the tag. The basic flow is
     helloworld::Greeter::AsyncService service;
     ServerBuilder builder;
     builder.AddListeningPort("0.0.0.0:50051", InsecureServerCredentials());
-    builder.RegisterAsyncService(&service);
+    builder.RegisterService(&service);
     auto cq = builder.AddCompletionQueue();
     auto server = builder.BuildAndStart();
     ```
diff --git a/examples/cpp/helloworld/greeter_async_server.cc b/examples/cpp/helloworld/greeter_async_server.cc
index c9b1a67e9515ed9a161ab57e89a787aa6ac06f45..64e065b1e404c4b0832cf01119ac91356e711e9d 100644
--- a/examples/cpp/helloworld/greeter_async_server.cc
+++ b/examples/cpp/helloworld/greeter_async_server.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/examples/cpp/route_guide/Makefile b/examples/cpp/route_guide/Makefile
index 3f8a5982b40ec8dfe2640830e597449d999445c7..0fbb0a89298d249a359a4a15b312aee4af215e81 100644
--- a/examples/cpp/route_guide/Makefile
+++ b/examples/cpp/route_guide/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/examples/csharp/helloworld/.nuget/packages.config b/examples/csharp/helloworld/.nuget/packages.config
index fb778311d1f77f07aa041cf5a28cdc8113dcf799..0f89a66e25f74f83678515c98b5c8d34dce6c74d 100644
--- a/examples/csharp/helloworld/.nuget/packages.config
+++ b/examples/csharp/helloworld/.nuget/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Grpc.Tools" version="0.13.0" />
+  <package id="Grpc.Tools" version="0.13.1" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/Greeter/Greeter.csproj b/examples/csharp/helloworld/Greeter/Greeter.csproj
index a25ad5f7910b21001740e148bf70bc9ce4019755..1e9399f79814875c5f8db1c316ac8d997d4f46b2 100644
--- a/examples/csharp/helloworld/Greeter/Greeter.csproj
+++ b/examples/csharp/helloworld/Greeter/Greeter.csproj
@@ -10,7 +10,7 @@
     <RootNamespace>Greeter</RootNamespace>
     <AssemblyName>Greeter</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>39f4a691</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>96275748</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -35,9 +35,9 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core, Version=0.13.0.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
+    <Reference Include="Grpc.Core, Version=0.13.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Grpc.Core.0.13.0\lib\net45\Grpc.Core.dll</HintPath>
+      <HintPath>..\packages\Grpc.Core.0.13.1\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
@@ -52,15 +52,20 @@
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
+    <None Include="..\..\..\protos\helloworld.proto">
+      <Link>protos\helloworld.proto</Link>
+    </None>
+    <None Include="..\generate_protos.bat">
+      <Link>generate_protos.bat</Link>
+    </None>
     <None Include="packages.config" />
-    <None Include="protos\helloworld.proto" />
   </ItemGroup>
   <ItemGroup />
-  <Import Project="..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/Greeter/Helloworld.cs b/examples/csharp/helloworld/Greeter/Helloworld.cs
index 63969b7514b9302aa44bc68aa4e4fdc9176ba3b7..3cacdebe27ebf3855c5366eabfc5e7624a66c23b 100644
--- a/examples/csharp/helloworld/Greeter/Helloworld.cs
+++ b/examples/csharp/helloworld/Greeter/Helloworld.cs
@@ -26,8 +26,9 @@ namespace Helloworld {
             "ChBoZWxsb3dvcmxkLnByb3RvEgpoZWxsb3dvcmxkIhwKDEhlbGxvUmVxdWVz",
             "dBIMCgRuYW1lGAEgASgJIh0KCkhlbGxvUmVwbHkSDwoHbWVzc2FnZRgBIAEo",
             "CTJJCgdHcmVldGVyEj4KCFNheUhlbGxvEhguaGVsbG93b3JsZC5IZWxsb1Jl",
-            "cXVlc3QaFi5oZWxsb3dvcmxkLkhlbGxvUmVwbHkiAEIYChBpby5ncnBjLmV4",
-            "YW1wbGVzogIDSExXYgZwcm90bzM="));
+            "cXVlc3QaFi5oZWxsb3dvcmxkLkhlbGxvUmVwbHkiAEI2Chtpby5ncnBjLmV4",
+            "YW1wbGVzLmhlbGxvd29ybGRCD0hlbGxvV29ybGRQcm90b1ABogIDSExXYgZw",
+            "cm90bzM="));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { },
           new pbr::GeneratedCodeInfo(null, new pbr::GeneratedCodeInfo[] {
diff --git a/examples/csharp/helloworld/Greeter/packages.config b/examples/csharp/helloworld/Greeter/packages.config
index abe9ad085073e8a5bd795840370a9ff01eeeb560..7d24440b123e635d4e30392a4daf42bbfe5bccae 100644
--- a/examples/csharp/helloworld/Greeter/packages.config
+++ b/examples/csharp/helloworld/Greeter/packages.config
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
-  <package id="Grpc" version="0.13.0" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.13.0" targetFramework="net45" />
-  <package id="grpc.native.csharp" version="0.13.0" targetFramework="net45" />
+  <package id="Grpc" version="0.13.1" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.13.1" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.13.1" targetFramework="net45" />
   <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/GreeterClient/GreeterClient.csproj b/examples/csharp/helloworld/GreeterClient/GreeterClient.csproj
index a71cfeeef33127cd5ca1a7709e417b9c015949bf..e10a6058df1f5e6300db06c01f9621faea4639d8 100644
--- a/examples/csharp/helloworld/GreeterClient/GreeterClient.csproj
+++ b/examples/csharp/helloworld/GreeterClient/GreeterClient.csproj
@@ -10,7 +10,7 @@
     <RootNamespace>GreeterClient</RootNamespace>
     <AssemblyName>GreeterClient</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>dcebbc77</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>d94f6f5f</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -35,9 +35,9 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core, Version=0.13.0.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
+    <Reference Include="Grpc.Core, Version=0.13.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Grpc.Core.0.13.0\lib\net45\Grpc.Core.dll</HintPath>
+      <HintPath>..\packages\Grpc.Core.0.13.1\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
@@ -59,11 +59,11 @@
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
-  <Import Project="..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/GreeterClient/Program.cs b/examples/csharp/helloworld/GreeterClient/Program.cs
index ffc7fabbf12ac68ef39474203dcc261c08ddbe4c..4393f2f3c2916a03a0702cb331e0d7463196d441 100644
--- a/examples/csharp/helloworld/GreeterClient/Program.cs
+++ b/examples/csharp/helloworld/GreeterClient/Program.cs
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/examples/csharp/helloworld/GreeterClient/packages.config b/examples/csharp/helloworld/GreeterClient/packages.config
index abe9ad085073e8a5bd795840370a9ff01eeeb560..7d24440b123e635d4e30392a4daf42bbfe5bccae 100644
--- a/examples/csharp/helloworld/GreeterClient/packages.config
+++ b/examples/csharp/helloworld/GreeterClient/packages.config
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
-  <package id="Grpc" version="0.13.0" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.13.0" targetFramework="net45" />
-  <package id="grpc.native.csharp" version="0.13.0" targetFramework="net45" />
+  <package id="Grpc" version="0.13.1" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.13.1" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.13.1" targetFramework="net45" />
   <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/GreeterServer/GreeterServer.csproj b/examples/csharp/helloworld/GreeterServer/GreeterServer.csproj
index 34eea8c246d0204d611d0b080f069d73430f86ee..6c70f75087dd2e54045d17c6e7872939117adedb 100644
--- a/examples/csharp/helloworld/GreeterServer/GreeterServer.csproj
+++ b/examples/csharp/helloworld/GreeterServer/GreeterServer.csproj
@@ -10,7 +10,7 @@
     <RootNamespace>GreeterServer</RootNamespace>
     <AssemblyName>GreeterServer</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>2ea5dfd0</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>6f89e9f2</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -35,9 +35,9 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core, Version=0.13.0.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
+    <Reference Include="Grpc.Core, Version=0.13.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Grpc.Core.0.13.0\lib\net45\Grpc.Core.dll</HintPath>
+      <HintPath>..\packages\Grpc.Core.0.13.1\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
@@ -59,11 +59,11 @@
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
-  <Import Project="..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/GreeterServer/packages.config b/examples/csharp/helloworld/GreeterServer/packages.config
index abe9ad085073e8a5bd795840370a9ff01eeeb560..7d24440b123e635d4e30392a4daf42bbfe5bccae 100644
--- a/examples/csharp/helloworld/GreeterServer/packages.config
+++ b/examples/csharp/helloworld/GreeterServer/packages.config
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
-  <package id="Grpc" version="0.13.0" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.13.0" targetFramework="net45" />
-  <package id="grpc.native.csharp" version="0.13.0" targetFramework="net45" />
+  <package id="Grpc" version="0.13.1" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.13.1" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.13.1" targetFramework="net45" />
   <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/generate_protos.bat b/examples/csharp/helloworld/generate_protos.bat
index 7f3654c8da0331f58671721d517bc7d9d27f515c..99f81a7d821cee97fefde556e27326e0148852be 100644
--- a/examples/csharp/helloworld/generate_protos.bat
+++ b/examples/csharp/helloworld/generate_protos.bat
@@ -5,6 +5,8 @@ setlocal
 @rem enter this directory
 cd /d %~dp0
 
-packages\Google.Protobuf.3.0.0-beta2\tools\protoc.exe -I../../protos --csharp_out Greeter  ../../protos/helloworld.proto --grpc_out Greeter --plugin=protoc-gen-grpc=packages\Grpc.Tools.0.13.0\tools\grpc_csharp_plugin.exe
+set TOOLS_PATH=packages\Grpc.Tools.0.13.1\tools\windows_x86
+
+%TOOLS_PATH%\protoc.exe -I../../protos --csharp_out Greeter  ../../protos/helloworld.proto --grpc_out Greeter --plugin=protoc-gen-grpc=%TOOLS_PATH%\grpc_csharp_plugin.exe
 
 endlocal
\ No newline at end of file
diff --git a/examples/csharp/route_guide/.nuget/packages.config b/examples/csharp/route_guide/.nuget/packages.config
index fb778311d1f77f07aa041cf5a28cdc8113dcf799..0f89a66e25f74f83678515c98b5c8d34dce6c74d 100644
--- a/examples/csharp/route_guide/.nuget/packages.config
+++ b/examples/csharp/route_guide/.nuget/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Grpc.Tools" version="0.13.0" />
+  <package id="Grpc.Tools" version="0.13.1" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/route_guide/RouteGuide/RouteGuide.cs b/examples/csharp/route_guide/RouteGuide/RouteGuide.cs
index 3bd79df418935b9a39c97b6e4614be086baf046c..bcd77ec5f52f15adb19c6746345b5ece016d1b92 100644
--- a/examples/csharp/route_guide/RouteGuide/RouteGuide.cs
+++ b/examples/csharp/route_guide/RouteGuide/RouteGuide.cs
@@ -37,7 +37,8 @@ namespace Routeguide {
             "b3V0ZWd1aWRlLkZlYXR1cmUiADABEj4KC1JlY29yZFJvdXRlEhEucm91dGVn",
             "dWlkZS5Qb2ludBoYLnJvdXRlZ3VpZGUuUm91dGVTdW1tYXJ5IgAoARI/CglS",
             "b3V0ZUNoYXQSFS5yb3V0ZWd1aWRlLlJvdXRlTm90ZRoVLnJvdXRlZ3VpZGUu",
-            "Um91dGVOb3RlIgAoATABQg8KB2V4LmdycGOiAgNSVEdiBnByb3RvMw=="));
+            "Um91dGVOb3RlIgAoATABQjYKG2lvLmdycGMuZXhhbXBsZXMucm91dGVndWlk",
+            "ZUIPUm91dGVHdWlkZVByb3RvUAGiAgNSVEdiBnByb3RvMw=="));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { },
           new pbr::GeneratedCodeInfo(null, new pbr::GeneratedCodeInfo[] {
diff --git a/examples/csharp/route_guide/RouteGuide/RouteGuide.csproj b/examples/csharp/route_guide/RouteGuide/RouteGuide.csproj
index 1fbf1ce1831fa4f76b01288d606ecac59041411b..eba1226b900023cf5ac8f8e625b9af53f38db9c9 100644
--- a/examples/csharp/route_guide/RouteGuide/RouteGuide.csproj
+++ b/examples/csharp/route_guide/RouteGuide/RouteGuide.csproj
@@ -11,7 +11,7 @@
     <AssemblyName>RouteGuide</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
-    <NuGetPackageImportStamp>5b6d924a</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>e1e648e7</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -35,9 +35,9 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core, Version=0.12.0.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
+    <Reference Include="Grpc.Core, Version=0.13.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Grpc.Core.0.13.0\lib\net45\Grpc.Core.dll</HintPath>
+      <HintPath>..\packages\Grpc.Core.0.13.1\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -45,8 +45,9 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Interactive.Async">
-      <HintPath>..\packages\Ix-Async.1.2.3\lib\net45\System.Interactive.Async.dll</HintPath>
+    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
@@ -61,18 +62,24 @@
     <Compile Include="RouteGuideUtil.cs" />
   </ItemGroup>
   <ItemGroup>
+    <None Include="..\..\..\protos\route_guide.proto">
+      <Link>protos\route_guide.proto</Link>
+    </None>
+    <None Include="..\generate_protos.bat">
+      <Link>generate_protos.bat</Link>
+    </None>
     <None Include="packages.config" />
     <None Include="route_guide_db.json">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/examples/csharp/route_guide/RouteGuide/packages.config b/examples/csharp/route_guide/RouteGuide/packages.config
index e4e21099494af7eadc885d015d3c53020f761961..c79aef11655673c53fdc531e38bbb409e5740f5a 100644
--- a/examples/csharp/route_guide/RouteGuide/packages.config
+++ b/examples/csharp/route_guide/RouteGuide/packages.config
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
-  <package id="Grpc" version="0.13.0" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.13.0" targetFramework="net45" />
-  <package id="grpc.native.csharp" version="0.13.0" targetFramework="net45" />
-  <package id="Ix-Async" version="1.2.3" targetFramework="net45" />
+  <package id="Grpc" version="0.13.1" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.13.1" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.13.1" targetFramework="net45" />
+  <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/route_guide/RouteGuideClient/Program.cs b/examples/csharp/route_guide/RouteGuideClient/Program.cs
index 22395dd21d523e46b3c6314a41e6a55a0ae934e3..c561a9f7aacfc6340ee13e09e075792c51f95d46 100644
--- a/examples/csharp/route_guide/RouteGuideClient/Program.cs
+++ b/examples/csharp/route_guide/RouteGuideClient/Program.cs
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/examples/csharp/route_guide/RouteGuideClient/RouteGuideClient.csproj b/examples/csharp/route_guide/RouteGuideClient/RouteGuideClient.csproj
index f55627ed5ca48e4529618139d9d3d3a756bf3567..3f7c4d0900bcc426cddc19df905f03dc3b3644ba 100644
--- a/examples/csharp/route_guide/RouteGuideClient/RouteGuideClient.csproj
+++ b/examples/csharp/route_guide/RouteGuideClient/RouteGuideClient.csproj
@@ -11,7 +11,7 @@
     <AssemblyName>RouteGuideClient</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
-    <NuGetPackageImportStamp>69015b00</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>2a1dd0a1</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -37,9 +37,9 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core, Version=0.12.0.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
+    <Reference Include="Grpc.Core, Version=0.13.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Grpc.Core.0.13.0\lib\net45\Grpc.Core.dll</HintPath>
+      <HintPath>..\packages\Grpc.Core.0.13.1\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -47,8 +47,9 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Interactive.Async">
-      <HintPath>..\packages\Ix-Async.1.2.3\lib\net45\System.Interactive.Async.dll</HintPath>
+    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
@@ -70,12 +71,12 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/examples/csharp/route_guide/RouteGuideClient/packages.config b/examples/csharp/route_guide/RouteGuideClient/packages.config
index e4e21099494af7eadc885d015d3c53020f761961..c79aef11655673c53fdc531e38bbb409e5740f5a 100644
--- a/examples/csharp/route_guide/RouteGuideClient/packages.config
+++ b/examples/csharp/route_guide/RouteGuideClient/packages.config
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
-  <package id="Grpc" version="0.13.0" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.13.0" targetFramework="net45" />
-  <package id="grpc.native.csharp" version="0.13.0" targetFramework="net45" />
-  <package id="Ix-Async" version="1.2.3" targetFramework="net45" />
+  <package id="Grpc" version="0.13.1" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.13.1" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.13.1" targetFramework="net45" />
+  <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/route_guide/RouteGuideServer/RouteGuideServer.csproj b/examples/csharp/route_guide/RouteGuideServer/RouteGuideServer.csproj
index 873556d65c6d7dd5cdec0c4310136a335b6406f4..599b12fbf7af10000683877400509a4bf2142a63 100644
--- a/examples/csharp/route_guide/RouteGuideServer/RouteGuideServer.csproj
+++ b/examples/csharp/route_guide/RouteGuideServer/RouteGuideServer.csproj
@@ -11,7 +11,7 @@
     <AssemblyName>RouteGuideServer</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
-    <NuGetPackageImportStamp>656158d8</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>164e03eb</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -37,9 +37,9 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core, Version=0.12.0.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
+    <Reference Include="Grpc.Core, Version=0.13.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Grpc.Core.0.13.0\lib\net45\Grpc.Core.dll</HintPath>
+      <HintPath>..\packages\Grpc.Core.0.13.1\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -47,8 +47,9 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Interactive.Async">
-      <HintPath>..\packages\Ix-Async.1.2.3\lib\net45\System.Interactive.Async.dll</HintPath>
+    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
@@ -71,12 +72,12 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.13.1\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/examples/csharp/route_guide/RouteGuideServer/packages.config b/examples/csharp/route_guide/RouteGuideServer/packages.config
index e4e21099494af7eadc885d015d3c53020f761961..c79aef11655673c53fdc531e38bbb409e5740f5a 100644
--- a/examples/csharp/route_guide/RouteGuideServer/packages.config
+++ b/examples/csharp/route_guide/RouteGuideServer/packages.config
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
-  <package id="Grpc" version="0.13.0" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.13.0" targetFramework="net45" />
-  <package id="grpc.native.csharp" version="0.13.0" targetFramework="net45" />
-  <package id="Ix-Async" version="1.2.3" targetFramework="net45" />
+  <package id="Grpc" version="0.13.1" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.13.1" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.13.1" targetFramework="net45" />
+  <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/route_guide/generate_protos.bat b/examples/csharp/route_guide/generate_protos.bat
index d9cd021a917ce7993b4e9b0e22081be76a5a76b0..12be52c6806a36051ad77f2b90ca11e50ca3c0da 100644
--- a/examples/csharp/route_guide/generate_protos.bat
+++ b/examples/csharp/route_guide/generate_protos.bat
@@ -5,6 +5,8 @@ setlocal
 @rem enter this directory
 cd /d %~dp0
 
-packages\Google.Protobuf.3.0.0-beta2\tools\protoc.exe -I../../protos --csharp_out RouteGuide  ../../protos/route_guide.proto --grpc_out RouteGuide --plugin=protoc-gen-grpc=packages\Grpc.Tools.0.13.0\tools\grpc_csharp_plugin.exe
+set TOOLS_PATH=packages\Grpc.Tools.0.13.1\tools\windows_x86
+
+%TOOLS_PATH%\protoc.exe -I../../protos --csharp_out RouteGuide  ../../protos/route_guide.proto --grpc_out RouteGuide --plugin=protoc-gen-grpc=%TOOLS_PATH%\grpc_csharp_plugin.exe
 
 endlocal
\ No newline at end of file
diff --git a/examples/node/README.md b/examples/node/README.md
index c1ef6b05ab0bd484c3f8b9f42098bf9f4796e163..28878833ce6684cede8ae9a3441ca4a5378ce2fb 100644
--- a/examples/node/README.md
+++ b/examples/node/README.md
@@ -10,6 +10,11 @@ INSTALL
 -------
 
    ```sh
+   $ # Get the gRPC repository
+   $ export REPO_ROOT=grpc # REPO root can be any directory of your choice
+   $ git clone https://github.com/grpc/grpc.git $REPO_ROOT
+   $ cd $REPO_ROOT
+
    $ cd examples/node
    $ npm install
    ```
diff --git a/examples/node/greeter_client.js b/examples/node/greeter_client.js
index ca5781514d80ff1e62c5bc1e162ebbf1ffbd158e..7125c2fec5b09473f2ba25a2c2c9312611d5a286 100644
--- a/examples/node/greeter_client.js
+++ b/examples/node/greeter_client.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,22 +31,30 @@
  *
  */
 
-var PROTO_PATH = __dirname + '/../protos/helloworld.proto';
-
 var grpc = require('grpc');
-var hello_proto = grpc.load(PROTO_PATH).helloworld;
+
+var hello_messages = require('./helloworld_pb');
+var hello_service = require('./helloworld_grpc_pb');
 
 function main() {
-  var client = new hello_proto.Greeter('localhost:50051',
-                                       grpc.credentials.createInsecure());
+  var client = new hello_service.GreeterClient('localhost:50051',
+                                               grpc.credentials.createInsecure());
   var user;
   if (process.argv.length >= 3) {
     user = process.argv[2];
   } else {
     user = 'world';
   }
-  client.sayHello({name: user}, function(err, response) {
-    console.log('Greeting:', response.message);
+
+  var request = new hello_messages.HelloRequest();
+  request.setName(user);
+
+  client.sayHello(request, function(err, response) {
+    if (err) {
+      debugger;
+      throw err;
+    }
+    console.log('Greeting:', response.getMessage());
   });
 }
 
diff --git a/examples/node/greeter_server.js b/examples/node/greeter_server.js
index 47d9892816759c00cae682a58a591b7dde4712a8..a4aebf6d09deb94441cd4296822a350558b316a5 100644
--- a/examples/node/greeter_server.js
+++ b/examples/node/greeter_server.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,16 +31,18 @@
  *
  */
 
-var PROTO_PATH = __dirname + '/../protos/helloworld.proto';
-
 var grpc = require('grpc');
-var hello_proto = grpc.load(PROTO_PATH).helloworld;
+
+var hello_messages = require('./helloworld_pb');
+var hello_service = require('./helloworld_grpc_pb');
 
 /**
  * Implements the SayHello RPC method.
  */
 function sayHello(call, callback) {
-  callback(null, {message: 'Hello ' + call.request.name});
+  var reply = new hello_messages.HelloReply();
+  reply.setMessage("Hello " + call.request.getName());
+  callback(null, reply);
 }
 
 /**
@@ -49,7 +51,7 @@ function sayHello(call, callback) {
  */
 function main() {
   var server = new grpc.Server();
-  server.addProtoService(hello_proto.Greeter.service, {sayHello: sayHello});
+  server.addService(hello_service.GreeterService, {sayHello: sayHello});
   server.bind('0.0.0.0:50051', grpc.ServerCredentials.createInsecure());
   server.start();
 }
diff --git a/examples/node/helloworld_grpc_pb.js b/examples/node/helloworld_grpc_pb.js
new file mode 100644
index 0000000000000000000000000000000000000000..3d070d7de08e5bf6096e447dbc25dbea9e97d5ec
--- /dev/null
+++ b/examples/node/helloworld_grpc_pb.js
@@ -0,0 +1,39 @@
+// GENERATED CODE -- DO NOT EDIT!
+
+var grpc = require('grpc');
+var helloworld_pb = require('./helloworld_pb.js');
+
+function serialize_HelloReply(arg) {
+  if (!(arg instanceof helloworld_pb.HelloReply)) {
+    throw new Error('Expected argument of type HelloReply');
+  }
+  return new Buffer(arg.serializeBinary());
+}
+function deserialize_HelloReply(buffer_arg) {
+  return helloworld_pb.HelloReply.deserializeBinary(new Uint8Array(buffer_arg));
+}
+function serialize_HelloRequest(arg) {
+  if (!(arg instanceof helloworld_pb.HelloRequest)) {
+    throw new Error('Expected argument of type HelloRequest');
+  }
+  return new Buffer(arg.serializeBinary());
+}
+function deserialize_HelloRequest(buffer_arg) {
+  return helloworld_pb.HelloRequest.deserializeBinary(new Uint8Array(buffer_arg));
+}
+
+var GreeterService = exports.GreeterService = {
+  sayHello: {
+    path: '/helloworld.Greeter/SayHello',
+    requestStream: false,
+    responseStream: false,
+    requestType: helloworld_pb.HelloRequest,
+    responseType: helloworld_pb.HelloReply,
+    requestSerialize: serialize_HelloRequest,
+    requestDeserialize: deserialize_HelloRequest,
+    responseSerialize: serialize_HelloReply,
+    responseDeserialize: deserialize_HelloReply,
+  },
+};
+
+exports.GreeterClient = grpc.makeGenericClientConstructor(GreeterService);
diff --git a/examples/node/helloworld_pb.js b/examples/node/helloworld_pb.js
new file mode 100644
index 0000000000000000000000000000000000000000..6405bd90f10444bc4aa2141154801a18de8d584a
--- /dev/null
+++ b/examples/node/helloworld_pb.js
@@ -0,0 +1,332 @@
+/**
+ * @fileoverview
+ * @enhanceable
+ * @public
+ */
+// GENERATED CODE -- DO NOT EDIT!
+
+var jspb = require('google-protobuf');
+var goog = jspb;
+var global = Function('return this')();
+
+goog.exportSymbol('proto.helloworld.HelloReply', null, global);
+goog.exportSymbol('proto.helloworld.HelloRequest', null, global);
+
+/**
+ * Generated by JsPbCodeGenerator.
+ * @param {Array=} opt_data Optional initial data array, typically from a
+ * server response, or constructed directly in Javascript. The array is used
+ * in place and becomes part of the constructed object. It is not cloned.
+ * If no data is provided, the constructed object will be empty, but still
+ * valid.
+ * @extends {jspb.Message}
+ * @constructor
+ */
+proto.helloworld.HelloRequest = function(opt_data) {
+  jspb.Message.initialize(this, opt_data, 0, -1, null, null);
+};
+goog.inherits(proto.helloworld.HelloRequest, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+  proto.helloworld.HelloRequest.displayName = 'proto.helloworld.HelloRequest';
+}
+
+
+if (jspb.Message.GENERATE_TO_OBJECT) {
+/**
+ * Creates an object representation of this proto suitable for use in Soy templates.
+ * Field names that are reserved in JavaScript and will be renamed to pb_name.
+ * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.
+ * For the list of reserved names please see:
+ *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.
+ * @param {boolean=} opt_includeInstance Whether to include the JSPB instance
+ *     for transitional soy proto support: http://goto/soy-param-migration
+ * @return {!Object}
+ */
+proto.helloworld.HelloRequest.prototype.toObject = function(opt_includeInstance) {
+  return proto.helloworld.HelloRequest.toObject(opt_includeInstance, this);
+};
+
+
+/**
+ * Static version of the {@see toObject} method.
+ * @param {boolean|undefined} includeInstance Whether to include the JSPB
+ *     instance for transitional soy proto support:
+ *     http://goto/soy-param-migration
+ * @param {!proto.helloworld.HelloRequest} msg The msg instance to transform.
+ * @return {!Object}
+ */
+proto.helloworld.HelloRequest.toObject = function(includeInstance, msg) {
+  var f, obj = {
+    name: msg.getName()
+  };
+
+  if (includeInstance) {
+    obj.$jspbMessageInstance = msg
+  }
+  return obj;
+};
+}
+
+
+/**
+ * Deserializes binary data (in protobuf wire format).
+ * @param {jspb.ByteSource} bytes The bytes to deserialize.
+ * @return {!proto.helloworld.HelloRequest}
+ */
+proto.helloworld.HelloRequest.deserializeBinary = function(bytes) {
+  var reader = new jspb.BinaryReader(bytes);
+  var msg = new proto.helloworld.HelloRequest;
+  return proto.helloworld.HelloRequest.deserializeBinaryFromReader(msg, reader);
+};
+
+
+/**
+ * Deserializes binary data (in protobuf wire format) from the
+ * given reader into the given message object.
+ * @param {!proto.helloworld.HelloRequest} msg The message object to deserialize into.
+ * @param {!jspb.BinaryReader} reader The BinaryReader to use.
+ * @return {!proto.helloworld.HelloRequest}
+ */
+proto.helloworld.HelloRequest.deserializeBinaryFromReader = function(msg, reader) {
+  while (reader.nextField()) {
+    if (reader.isEndGroup()) {
+      break;
+    }
+    var field = reader.getFieldNumber();
+    switch (field) {
+    case 1:
+      var value = /** @type {string} */ (reader.readString());
+      msg.setName(value);
+      break;
+    default:
+      reader.skipField();
+      break;
+    }
+  }
+  return msg;
+};
+
+
+/**
+ * Class method variant: serializes the given message to binary data
+ * (in protobuf wire format), writing to the given BinaryWriter.
+ * @param {!proto.helloworld.HelloRequest} message
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.helloworld.HelloRequest.serializeBinaryToWriter = function(message, writer) {
+  message.serializeBinaryToWriter(writer);
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format).
+ * @return {!Uint8Array}
+ */
+proto.helloworld.HelloRequest.prototype.serializeBinary = function() {
+  var writer = new jspb.BinaryWriter();
+  this.serializeBinaryToWriter(writer);
+  return writer.getResultBuffer();
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format),
+ * writing to the given BinaryWriter.
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.helloworld.HelloRequest.prototype.serializeBinaryToWriter = function (writer) {
+  var f = undefined;
+  f = this.getName();
+  if (f.length > 0) {
+    writer.writeString(
+      1,
+      f
+    );
+  }
+};
+
+
+/**
+ * Creates a deep clone of this proto. No data is shared with the original.
+ * @return {!proto.helloworld.HelloRequest} The clone.
+ */
+proto.helloworld.HelloRequest.prototype.cloneMessage = function() {
+  return /** @type {!proto.helloworld.HelloRequest} */ (jspb.Message.cloneMessage(this));
+};
+
+
+/**
+ * optional string name = 1;
+ * @return {string}
+ */
+proto.helloworld.HelloRequest.prototype.getName = function() {
+  return /** @type {string} */ (jspb.Message.getFieldProto3(this, 1, ""));
+};
+
+
+/** @param {string} value  */
+proto.helloworld.HelloRequest.prototype.setName = function(value) {
+  jspb.Message.setField(this, 1, value);
+};
+
+
+
+/**
+ * Generated by JsPbCodeGenerator.
+ * @param {Array=} opt_data Optional initial data array, typically from a
+ * server response, or constructed directly in Javascript. The array is used
+ * in place and becomes part of the constructed object. It is not cloned.
+ * If no data is provided, the constructed object will be empty, but still
+ * valid.
+ * @extends {jspb.Message}
+ * @constructor
+ */
+proto.helloworld.HelloReply = function(opt_data) {
+  jspb.Message.initialize(this, opt_data, 0, -1, null, null);
+};
+goog.inherits(proto.helloworld.HelloReply, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+  proto.helloworld.HelloReply.displayName = 'proto.helloworld.HelloReply';
+}
+
+
+if (jspb.Message.GENERATE_TO_OBJECT) {
+/**
+ * Creates an object representation of this proto suitable for use in Soy templates.
+ * Field names that are reserved in JavaScript and will be renamed to pb_name.
+ * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.
+ * For the list of reserved names please see:
+ *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.
+ * @param {boolean=} opt_includeInstance Whether to include the JSPB instance
+ *     for transitional soy proto support: http://goto/soy-param-migration
+ * @return {!Object}
+ */
+proto.helloworld.HelloReply.prototype.toObject = function(opt_includeInstance) {
+  return proto.helloworld.HelloReply.toObject(opt_includeInstance, this);
+};
+
+
+/**
+ * Static version of the {@see toObject} method.
+ * @param {boolean|undefined} includeInstance Whether to include the JSPB
+ *     instance for transitional soy proto support:
+ *     http://goto/soy-param-migration
+ * @param {!proto.helloworld.HelloReply} msg The msg instance to transform.
+ * @return {!Object}
+ */
+proto.helloworld.HelloReply.toObject = function(includeInstance, msg) {
+  var f, obj = {
+    message: msg.getMessage()
+  };
+
+  if (includeInstance) {
+    obj.$jspbMessageInstance = msg
+  }
+  return obj;
+};
+}
+
+
+/**
+ * Deserializes binary data (in protobuf wire format).
+ * @param {jspb.ByteSource} bytes The bytes to deserialize.
+ * @return {!proto.helloworld.HelloReply}
+ */
+proto.helloworld.HelloReply.deserializeBinary = function(bytes) {
+  var reader = new jspb.BinaryReader(bytes);
+  var msg = new proto.helloworld.HelloReply;
+  return proto.helloworld.HelloReply.deserializeBinaryFromReader(msg, reader);
+};
+
+
+/**
+ * Deserializes binary data (in protobuf wire format) from the
+ * given reader into the given message object.
+ * @param {!proto.helloworld.HelloReply} msg The message object to deserialize into.
+ * @param {!jspb.BinaryReader} reader The BinaryReader to use.
+ * @return {!proto.helloworld.HelloReply}
+ */
+proto.helloworld.HelloReply.deserializeBinaryFromReader = function(msg, reader) {
+  while (reader.nextField()) {
+    if (reader.isEndGroup()) {
+      break;
+    }
+    var field = reader.getFieldNumber();
+    switch (field) {
+    case 1:
+      var value = /** @type {string} */ (reader.readString());
+      msg.setMessage(value);
+      break;
+    default:
+      reader.skipField();
+      break;
+    }
+  }
+  return msg;
+};
+
+
+/**
+ * Class method variant: serializes the given message to binary data
+ * (in protobuf wire format), writing to the given BinaryWriter.
+ * @param {!proto.helloworld.HelloReply} message
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.helloworld.HelloReply.serializeBinaryToWriter = function(message, writer) {
+  message.serializeBinaryToWriter(writer);
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format).
+ * @return {!Uint8Array}
+ */
+proto.helloworld.HelloReply.prototype.serializeBinary = function() {
+  var writer = new jspb.BinaryWriter();
+  this.serializeBinaryToWriter(writer);
+  return writer.getResultBuffer();
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format),
+ * writing to the given BinaryWriter.
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.helloworld.HelloReply.prototype.serializeBinaryToWriter = function (writer) {
+  var f = undefined;
+  f = this.getMessage();
+  if (f.length > 0) {
+    writer.writeString(
+      1,
+      f
+    );
+  }
+};
+
+
+/**
+ * Creates a deep clone of this proto. No data is shared with the original.
+ * @return {!proto.helloworld.HelloReply} The clone.
+ */
+proto.helloworld.HelloReply.prototype.cloneMessage = function() {
+  return /** @type {!proto.helloworld.HelloReply} */ (jspb.Message.cloneMessage(this));
+};
+
+
+/**
+ * optional string message = 1;
+ * @return {string}
+ */
+proto.helloworld.HelloReply.prototype.getMessage = function() {
+  return /** @type {string} */ (jspb.Message.getFieldProto3(this, 1, ""));
+};
+
+
+/** @param {string} value  */
+proto.helloworld.HelloReply.prototype.setMessage = function(value) {
+  jspb.Message.setField(this, 1, value);
+};
+
+
+goog.object.extend(exports, proto.helloworld);
diff --git a/examples/node/package.json b/examples/node/package.json
index 00ba428d966e8fccc069c2911d3a00c081e125c5..49ab74d3181bf8d14d436fe9fcfea5a7cd69b648 100644
--- a/examples/node/package.json
+++ b/examples/node/package.json
@@ -2,6 +2,10 @@
   "name": "grpc-examples",
   "version": "0.1.0",
   "dependencies": {
-    "grpc": "0.13.0"
+    "async": "^1.5.2",
+    "grpc": "0.13.0",
+    "google-protobuf": "*",
+    "lodash": "^4.6.1",
+    "minimist": "^1.2.0"
   }
 }
diff --git a/examples/node/route_guide/route_guide_client.js b/examples/node/route_guide/route_guide_client.js
index 6ff0279184e25322409522a2898506655ed961d2..fd05a59b63a4493b4696237585f437c70538dfd8 100644
--- a/examples/node/route_guide/route_guide_client.js
+++ b/examples/node/route_guide/route_guide_client.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/examples/node/route_guide/route_guide_server.js b/examples/node/route_guide/route_guide_server.js
index 9fa98279911e6b6f21e7670f86a66fb63a6f13bf..6c01fac2465be1add0a2cb57b0b017008d5c4b4c 100644
--- a/examples/node/route_guide/route_guide_server.js
+++ b/examples/node/route_guide/route_guide_server.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/examples/objective-c/auth_sample/MakeRPCViewController.m b/examples/objective-c/auth_sample/MakeRPCViewController.m
index 108eda45ba528c483c73270373d6937f3e2b0cfb..6013186b99493f9a43096a4e19f62ba342113202 100644
--- a/examples/objective-c/auth_sample/MakeRPCViewController.m
+++ b/examples/objective-c/auth_sample/MakeRPCViewController.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/examples/objective-c/helloworld/main.m b/examples/objective-c/helloworld/main.m
index bf357990a5679c94d6058b4c9e37a3d87accb40c..755dce33df9dd09dc3dbbb417239c4c7467999fd 100644
--- a/examples/objective-c/helloworld/main.m
+++ b/examples/objective-c/helloworld/main.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/examples/php/greeter_client.php b/examples/php/greeter_client.php
index 3fab14f33e168f0ee90dcae9458f3d1de39bf071..718ef88c644ad4938f41104ed4cbc6b184c4e804 100644
--- a/examples/php/greeter_client.php
+++ b/examples/php/greeter_client.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/examples/php/route_guide/route_guide_client.php b/examples/php/route_guide/route_guide_client.php
index cc8640cf702879a65081402e79d67ed1996b0d72..2f9533be4b77503db61baa60e024b5dc6cd67af8 100644
--- a/examples/php/route_guide/route_guide_client.php
+++ b/examples/php/route_guide/route_guide_client.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/examples/protos/helloworld.proto b/examples/protos/helloworld.proto
index e670503b09e55fbde93f1d9bef5a762c9b1c1839..0bee1fcfcfbb92c0ced2f8967addfa065cc74752 100644
--- a/examples/protos/helloworld.proto
+++ b/examples/protos/helloworld.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/examples/protos/route_guide.proto b/examples/protos/route_guide.proto
index b3553ee536614a1d13ff5208dba6cede26e272fe..12c4495ffab13cb8faaf079f5cd6b89c42afb1c2 100644
--- a/examples/protos/route_guide.proto
+++ b/examples/protos/route_guide.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/examples/python/helloworld/greeter_client.py b/examples/python/helloworld/greeter_client.py
index 561b25bcb2e2651965dfa744cc0431bbde8bf891..40d637fb7b4792ced6c1e72361ad74acabcfbd25 100644
--- a/examples/python/helloworld/greeter_client.py
+++ b/examples/python/helloworld/greeter_client.py
@@ -29,6 +29,8 @@
 
 """The Python implementation of the GRPC helloworld.Greeter client."""
 
+from __future__ import print_function
+
 from grpc.beta import implementations
 
 import helloworld_pb2
@@ -40,7 +42,7 @@ def run():
   channel = implementations.insecure_channel('localhost', 50051)
   stub = helloworld_pb2.beta_create_Greeter_stub(channel)
   response = stub.SayHello(helloworld_pb2.HelloRequest(name='you'), _TIMEOUT_SECONDS)
-  print "Greeter client received: " + response.message
+  print("Greeter client received: " + response.message)
 
 
 if __name__ == '__main__':
diff --git a/examples/python/route_guide/route_guide_client.py b/examples/python/route_guide/route_guide_client.py
index b1dfad551dc78fb05d875e741e34458d6ddf4d95..ffcbd061d6e14d267a1382781e0e06b458ecac1a 100644
--- a/examples/python/route_guide/route_guide_client.py
+++ b/examples/python/route_guide/route_guide_client.py
@@ -29,6 +29,8 @@
 
 """The Python implementation of the gRPC route guide client."""
 
+from __future__ import print_function
+
 import random
 import time
 
@@ -49,13 +51,13 @@ def make_route_note(message, latitude, longitude):
 def guide_get_one_feature(stub, point):
   feature = stub.GetFeature(point, _TIMEOUT_SECONDS)
   if not feature.location:
-    print "Server returned incomplete feature"
+    print("Server returned incomplete feature")
     return
 
   if feature.name:
-    print "Feature called %s at %s" % (feature.name, feature.location)
+    print("Feature called %s at %s" % (feature.name, feature.location))
   else:
-    print "Found no feature at %s" % feature.location
+    print("Found no feature at %s" % feature.location)
 
 
 def guide_get_feature(stub):
@@ -69,18 +71,18 @@ def guide_list_features(stub):
           latitude=400000000, longitude = -750000000),
       hi=route_guide_pb2.Point(
           latitude = 420000000, longitude = -730000000))
-  print "Looking for features between 40, -75 and 42, -73"
+  print("Looking for features between 40, -75 and 42, -73")
 
   features = stub.ListFeatures(rect, _TIMEOUT_SECONDS)
 
   for feature in features:
-    print "Feature called %s at %s" % (feature.name, feature.location)
+    print("Feature called %s at %s" % (feature.name, feature.location))
 
 
 def generate_route(feature_list):
   for _ in range(0, 10):
     random_feature = feature_list[random.randint(0, len(feature_list) - 1)]
-    print "Visiting point %s" % random_feature.location
+    print("Visiting point %s" % random_feature.location)
     yield random_feature.location
     time.sleep(random.uniform(0.5, 1.5))
 
@@ -90,10 +92,10 @@ def guide_record_route(stub):
 
   route_iter = generate_route(feature_list)
   route_summary = stub.RecordRoute(route_iter, _TIMEOUT_SECONDS)
-  print "Finished trip with %s points " % route_summary.point_count
-  print "Passed %s features " % route_summary.feature_count
-  print "Travelled %s meters " % route_summary.distance
-  print "It took %s seconds " % route_summary.elapsed_time
+  print("Finished trip with %s points " % route_summary.point_count)
+  print("Passed %s features " % route_summary.feature_count)
+  print("Travelled %s meters " % route_summary.distance)
+  print("It took %s seconds " % route_summary.elapsed_time)
 
 
 def generate_messages():
@@ -105,7 +107,7 @@ def generate_messages():
       make_route_note("Fifth message", 1, 0),
   ]
   for msg in messages:
-    print "Sending %s at %s" % (msg.message, msg.location)
+    print("Sending %s at %s" % (msg.message, msg.location))
     yield msg
     time.sleep(random.uniform(0.5, 1.0))
 
@@ -113,19 +115,19 @@ def generate_messages():
 def guide_route_chat(stub):
   responses = stub.RouteChat(generate_messages(), _TIMEOUT_SECONDS)
   for response in responses:
-    print "Received message %s at %s" % (response.message, response.location)
+    print("Received message %s at %s" % (response.message, response.location))
 
 
 def run():
   channel = implementations.insecure_channel('localhost', 50051)
   stub = route_guide_pb2.beta_create_RouteGuide_stub(channel)
-  print "-------------- GetFeature --------------"
+  print("-------------- GetFeature --------------")
   guide_get_feature(stub)
-  print "-------------- ListFeatures --------------"
+  print("-------------- ListFeatures --------------")
   guide_list_features(stub)
-  print "-------------- RecordRoute --------------"
+  print("-------------- RecordRoute --------------")
   guide_record_route(stub)
-  print "-------------- RouteChat --------------"
+  print("-------------- RouteChat --------------")
   guide_route_chat(stub)
 
 
diff --git a/examples/python/route_guide/route_guide_server.py b/examples/python/route_guide/route_guide_server.py
index f95b36b07366c9378d7730cbdf293be1ffcc6284..24f948c42c591b1b1e451cfde9e065221563327b 100644
--- a/examples/python/route_guide/route_guide_server.py
+++ b/examples/python/route_guide/route_guide_server.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/examples/ruby/greeter_client.rb b/examples/ruby/greeter_client.rb
index 2a243168709d21b88fd9b738bea83a703f94d184..cb4aa195e7741ff5fbcb1c25d44bb9bfb5f55dfe 100755
--- a/examples/ruby/greeter_client.rb
+++ b/examples/ruby/greeter_client.rb
@@ -1,6 +1,6 @@
 #!/usr/bin/env ruby
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/examples/ruby/route_guide/route_guide_client.rb b/examples/ruby/route_guide/route_guide_client.rb
index 715a3c08c580b83e2efccb8633bcb725c496e9e6..e7f802c21e618018cf1c4238efee9e8b4dca6b7d 100755
--- a/examples/ruby/route_guide/route_guide_client.rb
+++ b/examples/ruby/route_guide/route_guide_client.rb
@@ -1,6 +1,6 @@
 #!/usr/bin/env ruby
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -38,6 +38,7 @@ lib_dir = File.join(File.dirname(this_dir), 'lib')
 $LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
 
 require 'grpc'
+require 'multi_json'
 require 'route_guide_services'
 
 include Routeguide
@@ -115,9 +116,8 @@ def run_record_route(stub, features)
   p 'RecordRoute'
   p '-----------'
   points_on_route = 10  # arbitrary
-  deadline = points_on_route  # as delay b/w each is max 1 second
   reqs = RandomRoute.new(features, points_on_route)
-  resp = stub.record_route(reqs.each, deadline)
+  resp = stub.record_route(reqs.each)
   p "summary: #{resp.inspect}"
 end
 
diff --git a/gRPC.podspec b/gRPC.podspec
index 8a83bd23e2b3700579af64cd8cdfce2a0ee7c7d6..d66e03354bba976de83945eca008e26f81b265b7 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -63,18 +63,18 @@ Pod::Spec.new do |s|
 
   # Core cross-platform gRPC library, written in C.
   s.subspec 'C-Core' do |ss|
-    ss.source_files = 'src/core/profiling/timers.h',
-                      'src/core/support/backoff.h',
-                      'src/core/support/block_annotate.h',
-                      'src/core/support/env.h',
-                      'src/core/support/load_file.h',
-                      'src/core/support/murmur_hash.h',
-                      'src/core/support/stack_lockfree.h',
-                      'src/core/support/string.h',
-                      'src/core/support/string_win32.h',
-                      'src/core/support/thd_internal.h',
-                      'src/core/support/time_precise.h',
-                      'src/core/support/tmpfile.h',
+    ss.source_files = 'src/core/lib/profiling/timers.h',
+                      'src/core/lib/support/backoff.h',
+                      'src/core/lib/support/block_annotate.h',
+                      'src/core/lib/support/env.h',
+                      'src/core/lib/support/load_file.h',
+                      'src/core/lib/support/murmur_hash.h',
+                      'src/core/lib/support/stack_lockfree.h',
+                      'src/core/lib/support/string.h',
+                      'src/core/lib/support/string_win32.h',
+                      'src/core/lib/support/thd_internal.h',
+                      'src/core/lib/support/time_precise.h',
+                      'src/core/lib/support/tmpfile.h',
                       'include/grpc/support/alloc.h',
                       'include/grpc/support/atm.h',
                       'include/grpc/support/atm_gcc_atomic.h',
@@ -117,187 +117,186 @@ Pod::Spec.new do |s|
                       'include/grpc/impl/codegen/sync_posix.h',
                       'include/grpc/impl/codegen/sync_win32.h',
                       'include/grpc/impl/codegen/time.h',
-                      'src/core/profiling/basic_timers.c',
-                      'src/core/profiling/stap_timers.c',
-                      'src/core/support/alloc.c',
-                      'src/core/support/avl.c',
-                      'src/core/support/backoff.c',
-                      'src/core/support/cmdline.c',
-                      'src/core/support/cpu_iphone.c',
-                      'src/core/support/cpu_linux.c',
-                      'src/core/support/cpu_posix.c',
-                      'src/core/support/cpu_windows.c',
-                      'src/core/support/env_linux.c',
-                      'src/core/support/env_posix.c',
-                      'src/core/support/env_win32.c',
-                      'src/core/support/histogram.c',
-                      'src/core/support/host_port.c',
-                      'src/core/support/load_file.c',
-                      'src/core/support/log.c',
-                      'src/core/support/log_android.c',
-                      'src/core/support/log_linux.c',
-                      'src/core/support/log_posix.c',
-                      'src/core/support/log_win32.c',
-                      'src/core/support/murmur_hash.c',
-                      'src/core/support/slice.c',
-                      'src/core/support/slice_buffer.c',
-                      'src/core/support/stack_lockfree.c',
-                      'src/core/support/string.c',
-                      'src/core/support/string_posix.c',
-                      'src/core/support/string_win32.c',
-                      'src/core/support/subprocess_posix.c',
-                      'src/core/support/subprocess_windows.c',
-                      'src/core/support/sync.c',
-                      'src/core/support/sync_posix.c',
-                      'src/core/support/sync_win32.c',
-                      'src/core/support/thd.c',
-                      'src/core/support/thd_posix.c',
-                      'src/core/support/thd_win32.c',
-                      'src/core/support/time.c',
-                      'src/core/support/time_posix.c',
-                      'src/core/support/time_precise.c',
-                      'src/core/support/time_win32.c',
-                      'src/core/support/tls_pthread.c',
-                      'src/core/support/tmpfile_posix.c',
-                      'src/core/support/tmpfile_win32.c',
-                      'src/core/support/wrap_memcpy.c',
-                      'src/core/census/grpc_filter.h',
-                      'src/core/channel/channel_args.h',
-                      'src/core/channel/channel_stack.h',
-                      'src/core/channel/client_channel.h',
-                      'src/core/channel/client_uchannel.h',
-                      'src/core/channel/compress_filter.h',
-                      'src/core/channel/connected_channel.h',
-                      'src/core/channel/context.h',
-                      'src/core/channel/http_client_filter.h',
-                      'src/core/channel/http_server_filter.h',
-                      'src/core/channel/subchannel_call_holder.h',
-                      'src/core/client_config/client_config.h',
-                      'src/core/client_config/connector.h',
-                      'src/core/client_config/initial_connect_string.h',
-                      'src/core/client_config/lb_policies/load_balancer_api.h',
-                      'src/core/client_config/lb_policies/pick_first.h',
-                      'src/core/client_config/lb_policies/round_robin.h',
-                      'src/core/client_config/lb_policy.h',
-                      'src/core/client_config/lb_policy_factory.h',
-                      'src/core/client_config/lb_policy_registry.h',
-                      'src/core/client_config/resolver.h',
-                      'src/core/client_config/resolver_factory.h',
-                      'src/core/client_config/resolver_registry.h',
-                      'src/core/client_config/resolvers/dns_resolver.h',
-                      'src/core/client_config/resolvers/sockaddr_resolver.h',
-                      'src/core/client_config/subchannel.h',
-                      'src/core/client_config/subchannel_factory.h',
-                      'src/core/client_config/subchannel_index.h',
-                      'src/core/client_config/uri_parser.h',
-                      'src/core/compression/algorithm_metadata.h',
-                      'src/core/compression/message_compress.h',
-                      'src/core/debug/trace.h',
-                      'src/core/httpcli/format_request.h',
-                      'src/core/httpcli/httpcli.h',
-                      'src/core/httpcli/parser.h',
-                      'src/core/iomgr/closure.h',
-                      'src/core/iomgr/endpoint.h',
-                      'src/core/iomgr/endpoint_pair.h',
-                      'src/core/iomgr/exec_ctx.h',
-                      'src/core/iomgr/executor.h',
-                      'src/core/iomgr/fd_posix.h',
-                      'src/core/iomgr/iocp_windows.h',
-                      'src/core/iomgr/iomgr.h',
-                      'src/core/iomgr/iomgr_internal.h',
-                      'src/core/iomgr/iomgr_posix.h',
-                      'src/core/iomgr/pollset.h',
-                      'src/core/iomgr/pollset_posix.h',
-                      'src/core/iomgr/pollset_set.h',
-                      'src/core/iomgr/pollset_set_posix.h',
-                      'src/core/iomgr/pollset_set_windows.h',
-                      'src/core/iomgr/pollset_windows.h',
-                      'src/core/iomgr/resolve_address.h',
-                      'src/core/iomgr/sockaddr.h',
-                      'src/core/iomgr/sockaddr_posix.h',
-                      'src/core/iomgr/sockaddr_utils.h',
-                      'src/core/iomgr/sockaddr_win32.h',
-                      'src/core/iomgr/socket_utils_posix.h',
-                      'src/core/iomgr/socket_windows.h',
-                      'src/core/iomgr/tcp_client.h',
-                      'src/core/iomgr/tcp_posix.h',
-                      'src/core/iomgr/tcp_server.h',
-                      'src/core/iomgr/tcp_windows.h',
-                      'src/core/iomgr/time_averaged_stats.h',
-                      'src/core/iomgr/timer.h',
-                      'src/core/iomgr/timer_heap.h',
-                      'src/core/iomgr/udp_server.h',
-                      'src/core/iomgr/wakeup_fd_pipe.h',
-                      'src/core/iomgr/wakeup_fd_posix.h',
-                      'src/core/iomgr/workqueue.h',
-                      'src/core/iomgr/workqueue_posix.h',
-                      'src/core/iomgr/workqueue_windows.h',
-                      'src/core/json/json.h',
-                      'src/core/json/json_common.h',
-                      'src/core/json/json_reader.h',
-                      'src/core/json/json_writer.h',
-                      'src/core/proto/grpc/lb/v0/load_balancer.pb.h',
-                      'src/core/statistics/census_interface.h',
-                      'src/core/statistics/census_rpc_stats.h',
-                      'src/core/surface/api_trace.h',
-                      'src/core/surface/call.h',
-                      'src/core/surface/call_test_only.h',
-                      'src/core/surface/channel.h',
-                      'src/core/surface/completion_queue.h',
-                      'src/core/surface/event_string.h',
-                      'src/core/surface/init.h',
-                      'src/core/surface/server.h',
-                      'src/core/surface/surface_trace.h',
-                      'src/core/transport/byte_stream.h',
-                      'src/core/transport/chttp2/alpn.h',
-                      'src/core/transport/chttp2/bin_encoder.h',
-                      'src/core/transport/chttp2/frame.h',
-                      'src/core/transport/chttp2/frame_data.h',
-                      'src/core/transport/chttp2/frame_goaway.h',
-                      'src/core/transport/chttp2/frame_ping.h',
-                      'src/core/transport/chttp2/frame_rst_stream.h',
-                      'src/core/transport/chttp2/frame_settings.h',
-                      'src/core/transport/chttp2/frame_window_update.h',
-                      'src/core/transport/chttp2/hpack_encoder.h',
-                      'src/core/transport/chttp2/hpack_parser.h',
-                      'src/core/transport/chttp2/hpack_table.h',
-                      'src/core/transport/chttp2/http2_errors.h',
-                      'src/core/transport/chttp2/huffsyms.h',
-                      'src/core/transport/chttp2/incoming_metadata.h',
-                      'src/core/transport/chttp2/internal.h',
-                      'src/core/transport/chttp2/status_conversion.h',
-                      'src/core/transport/chttp2/stream_map.h',
-                      'src/core/transport/chttp2/timeout_encoding.h',
-                      'src/core/transport/chttp2/varint.h',
-                      'src/core/transport/chttp2_transport.h',
-                      'src/core/transport/connectivity_state.h',
-                      'src/core/transport/metadata.h',
-                      'src/core/transport/metadata_batch.h',
-                      'src/core/transport/static_metadata.h',
-                      'src/core/transport/transport.h',
-                      'src/core/transport/transport_impl.h',
-                      'src/core/security/auth_filters.h',
-                      'src/core/security/b64.h',
-                      'src/core/security/credentials.h',
-                      'src/core/security/handshake.h',
-                      'src/core/security/json_token.h',
-                      'src/core/security/jwt_verifier.h',
-                      'src/core/security/secure_endpoint.h',
-                      'src/core/security/security_connector.h',
-                      'src/core/security/security_context.h',
-                      'src/core/tsi/fake_transport_security.h',
-                      'src/core/tsi/ssl_transport_security.h',
-                      'src/core/tsi/ssl_types.h',
-                      'src/core/tsi/transport_security.h',
-                      'src/core/tsi/transport_security_interface.h',
-                      'src/core/census/aggregation.h',
-                      'src/core/census/mlog.h',
-                      'src/core/census/rpc_metric_id.h',
+                      'src/core/lib/profiling/basic_timers.c',
+                      'src/core/lib/profiling/stap_timers.c',
+                      'src/core/lib/support/alloc.c',
+                      'src/core/lib/support/avl.c',
+                      'src/core/lib/support/backoff.c',
+                      'src/core/lib/support/cmdline.c',
+                      'src/core/lib/support/cpu_iphone.c',
+                      'src/core/lib/support/cpu_linux.c',
+                      'src/core/lib/support/cpu_posix.c',
+                      'src/core/lib/support/cpu_windows.c',
+                      'src/core/lib/support/env_linux.c',
+                      'src/core/lib/support/env_posix.c',
+                      'src/core/lib/support/env_win32.c',
+                      'src/core/lib/support/histogram.c',
+                      'src/core/lib/support/host_port.c',
+                      'src/core/lib/support/load_file.c',
+                      'src/core/lib/support/log.c',
+                      'src/core/lib/support/log_android.c',
+                      'src/core/lib/support/log_linux.c',
+                      'src/core/lib/support/log_posix.c',
+                      'src/core/lib/support/log_win32.c',
+                      'src/core/lib/support/murmur_hash.c',
+                      'src/core/lib/support/slice.c',
+                      'src/core/lib/support/slice_buffer.c',
+                      'src/core/lib/support/stack_lockfree.c',
+                      'src/core/lib/support/string.c',
+                      'src/core/lib/support/string_posix.c',
+                      'src/core/lib/support/string_win32.c',
+                      'src/core/lib/support/subprocess_posix.c',
+                      'src/core/lib/support/subprocess_windows.c',
+                      'src/core/lib/support/sync.c',
+                      'src/core/lib/support/sync_posix.c',
+                      'src/core/lib/support/sync_win32.c',
+                      'src/core/lib/support/thd.c',
+                      'src/core/lib/support/thd_posix.c',
+                      'src/core/lib/support/thd_win32.c',
+                      'src/core/lib/support/time.c',
+                      'src/core/lib/support/time_posix.c',
+                      'src/core/lib/support/time_precise.c',
+                      'src/core/lib/support/time_win32.c',
+                      'src/core/lib/support/tls_pthread.c',
+                      'src/core/lib/support/tmpfile_posix.c',
+                      'src/core/lib/support/tmpfile_win32.c',
+                      'src/core/lib/support/wrap_memcpy.c',
+                      'src/core/lib/channel/channel_args.h',
+                      'src/core/lib/channel/channel_stack.h',
+                      'src/core/lib/channel/channel_stack_builder.h',
+                      'src/core/lib/channel/compress_filter.h',
+                      'src/core/lib/channel/connected_channel.h',
+                      'src/core/lib/channel/context.h',
+                      'src/core/lib/channel/http_client_filter.h',
+                      'src/core/lib/channel/http_server_filter.h',
+                      'src/core/lib/compression/algorithm_metadata.h',
+                      'src/core/lib/compression/message_compress.h',
+                      'src/core/lib/debug/trace.h',
+                      'src/core/lib/http/format_request.h',
+                      'src/core/lib/http/httpcli.h',
+                      'src/core/lib/http/parser.h',
+                      'src/core/lib/iomgr/closure.h',
+                      'src/core/lib/iomgr/endpoint.h',
+                      'src/core/lib/iomgr/endpoint_pair.h',
+                      'src/core/lib/iomgr/ev_poll_and_epoll_posix.h',
+                      'src/core/lib/iomgr/ev_posix.h',
+                      'src/core/lib/iomgr/exec_ctx.h',
+                      'src/core/lib/iomgr/executor.h',
+                      'src/core/lib/iomgr/iocp_windows.h',
+                      'src/core/lib/iomgr/iomgr.h',
+                      'src/core/lib/iomgr/iomgr_internal.h',
+                      'src/core/lib/iomgr/iomgr_posix.h',
+                      'src/core/lib/iomgr/pollset.h',
+                      'src/core/lib/iomgr/pollset_set.h',
+                      'src/core/lib/iomgr/pollset_set_windows.h',
+                      'src/core/lib/iomgr/pollset_windows.h',
+                      'src/core/lib/iomgr/resolve_address.h',
+                      'src/core/lib/iomgr/sockaddr.h',
+                      'src/core/lib/iomgr/sockaddr_posix.h',
+                      'src/core/lib/iomgr/sockaddr_utils.h',
+                      'src/core/lib/iomgr/sockaddr_win32.h',
+                      'src/core/lib/iomgr/socket_utils_posix.h',
+                      'src/core/lib/iomgr/socket_windows.h',
+                      'src/core/lib/iomgr/tcp_client.h',
+                      'src/core/lib/iomgr/tcp_posix.h',
+                      'src/core/lib/iomgr/tcp_server.h',
+                      'src/core/lib/iomgr/tcp_windows.h',
+                      'src/core/lib/iomgr/time_averaged_stats.h',
+                      'src/core/lib/iomgr/timer.h',
+                      'src/core/lib/iomgr/timer_heap.h',
+                      'src/core/lib/iomgr/udp_server.h',
+                      'src/core/lib/iomgr/unix_sockets_posix.h',
+                      'src/core/lib/iomgr/wakeup_fd_pipe.h',
+                      'src/core/lib/iomgr/wakeup_fd_posix.h',
+                      'src/core/lib/iomgr/workqueue.h',
+                      'src/core/lib/iomgr/workqueue_posix.h',
+                      'src/core/lib/iomgr/workqueue_windows.h',
+                      'src/core/lib/json/json.h',
+                      'src/core/lib/json/json_common.h',
+                      'src/core/lib/json/json_reader.h',
+                      'src/core/lib/json/json_writer.h',
+                      'src/core/lib/surface/api_trace.h',
+                      'src/core/lib/surface/call.h',
+                      'src/core/lib/surface/call_test_only.h',
+                      'src/core/lib/surface/channel.h',
+                      'src/core/lib/surface/channel_init.h',
+                      'src/core/lib/surface/channel_stack_type.h',
+                      'src/core/lib/surface/completion_queue.h',
+                      'src/core/lib/surface/event_string.h',
+                      'src/core/lib/surface/init.h',
+                      'src/core/lib/surface/lame_client.h',
+                      'src/core/lib/surface/server.h',
+                      'src/core/lib/surface/surface_trace.h',
+                      'src/core/lib/transport/byte_stream.h',
+                      'src/core/lib/transport/connectivity_state.h',
+                      'src/core/lib/transport/metadata.h',
+                      'src/core/lib/transport/metadata_batch.h',
+                      'src/core/lib/transport/static_metadata.h',
+                      'src/core/lib/transport/transport.h',
+                      'src/core/lib/transport/transport_impl.h',
+                      'src/core/ext/transport/chttp2/transport/bin_encoder.h',
+                      'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
+                      'src/core/ext/transport/chttp2/transport/frame.h',
+                      'src/core/ext/transport/chttp2/transport/frame_data.h',
+                      'src/core/ext/transport/chttp2/transport/frame_goaway.h',
+                      'src/core/ext/transport/chttp2/transport/frame_ping.h',
+                      'src/core/ext/transport/chttp2/transport/frame_rst_stream.h',
+                      'src/core/ext/transport/chttp2/transport/frame_settings.h',
+                      'src/core/ext/transport/chttp2/transport/frame_window_update.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_parser.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_table.h',
+                      'src/core/ext/transport/chttp2/transport/http2_errors.h',
+                      'src/core/ext/transport/chttp2/transport/huffsyms.h',
+                      'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
+                      'src/core/ext/transport/chttp2/transport/internal.h',
+                      'src/core/ext/transport/chttp2/transport/status_conversion.h',
+                      'src/core/ext/transport/chttp2/transport/stream_map.h',
+                      'src/core/ext/transport/chttp2/transport/timeout_encoding.h',
+                      'src/core/ext/transport/chttp2/transport/varint.h',
+                      'src/core/ext/transport/chttp2/alpn/alpn.h',
+                      'src/core/lib/security/auth_filters.h',
+                      'src/core/lib/security/b64.h',
+                      'src/core/lib/security/credentials.h',
+                      'src/core/lib/security/handshake.h',
+                      'src/core/lib/security/json_token.h',
+                      'src/core/lib/security/jwt_verifier.h',
+                      'src/core/lib/security/secure_endpoint.h',
+                      'src/core/lib/security/security_connector.h',
+                      'src/core/lib/security/security_context.h',
+                      'src/core/lib/tsi/fake_transport_security.h',
+                      'src/core/lib/tsi/ssl_transport_security.h',
+                      'src/core/lib/tsi/ssl_types.h',
+                      'src/core/lib/tsi/transport_security.h',
+                      'src/core/lib/tsi/transport_security_interface.h',
+                      'src/core/ext/client_config/client_channel.h',
+                      'src/core/ext/client_config/client_channel_factory.h',
+                      'src/core/ext/client_config/client_config.h',
+                      'src/core/ext/client_config/connector.h',
+                      'src/core/ext/client_config/initial_connect_string.h',
+                      'src/core/ext/client_config/lb_policy.h',
+                      'src/core/ext/client_config/lb_policy_factory.h',
+                      'src/core/ext/client_config/lb_policy_registry.h',
+                      'src/core/ext/client_config/parse_address.h',
+                      'src/core/ext/client_config/resolver.h',
+                      'src/core/ext/client_config/resolver_factory.h',
+                      'src/core/ext/client_config/resolver_registry.h',
+                      'src/core/ext/client_config/subchannel.h',
+                      'src/core/ext/client_config/subchannel_call_holder.h',
+                      'src/core/ext/client_config/subchannel_index.h',
+                      'src/core/ext/client_config/uri_parser.h',
+                      'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
+                      'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h',
                       'third_party/nanopb/pb.h',
                       'third_party/nanopb/pb_common.h',
                       'third_party/nanopb/pb_decode.h',
                       'third_party/nanopb/pb_encode.h',
-                      'include/grpc/grpc_security.h',
+                      'src/core/ext/census/aggregation.h',
+                      'src/core/ext/census/census_interface.h',
+                      'src/core/ext/census/census_rpc_stats.h',
+                      'src/core/ext/census/grpc_filter.h',
+                      'src/core/ext/census/mlog.h',
+                      'src/core/ext/census/rpc_metric_id.h',
                       'include/grpc/byte_buffer.h',
                       'include/grpc/byte_buffer_reader.h',
                       'include/grpc/compression.h',
@@ -309,316 +308,337 @@ Pod::Spec.new do |s|
                       'include/grpc/impl/codegen/grpc_types.h',
                       'include/grpc/impl/codegen/propagation_bits.h',
                       'include/grpc/impl/codegen/status.h',
+                      'include/grpc/impl/codegen/alloc.h',
+                      'include/grpc/impl/codegen/atm.h',
+                      'include/grpc/impl/codegen/atm_gcc_atomic.h',
+                      'include/grpc/impl/codegen/atm_gcc_sync.h',
+                      'include/grpc/impl/codegen/atm_win32.h',
+                      'include/grpc/impl/codegen/log.h',
+                      'include/grpc/impl/codegen/port_platform.h',
+                      'include/grpc/impl/codegen/slice.h',
+                      'include/grpc/impl/codegen/slice_buffer.h',
+                      'include/grpc/impl/codegen/sync.h',
+                      'include/grpc/impl/codegen/sync_generic.h',
+                      'include/grpc/impl/codegen/sync_posix.h',
+                      'include/grpc/impl/codegen/sync_win32.h',
+                      'include/grpc/impl/codegen/time.h',
+                      'include/grpc/grpc_security.h',
+                      'include/grpc/grpc_security_constants.h',
                       'include/grpc/census.h',
-                      'src/core/census/grpc_context.c',
-                      'src/core/census/grpc_filter.c',
-                      'src/core/channel/channel_args.c',
-                      'src/core/channel/channel_stack.c',
-                      'src/core/channel/client_channel.c',
-                      'src/core/channel/client_uchannel.c',
-                      'src/core/channel/compress_filter.c',
-                      'src/core/channel/connected_channel.c',
-                      'src/core/channel/http_client_filter.c',
-                      'src/core/channel/http_server_filter.c',
-                      'src/core/channel/subchannel_call_holder.c',
-                      'src/core/client_config/client_config.c',
-                      'src/core/client_config/connector.c',
-                      'src/core/client_config/default_initial_connect_string.c',
-                      'src/core/client_config/initial_connect_string.c',
-                      'src/core/client_config/lb_policies/load_balancer_api.c',
-                      'src/core/client_config/lb_policies/pick_first.c',
-                      'src/core/client_config/lb_policies/round_robin.c',
-                      'src/core/client_config/lb_policy.c',
-                      'src/core/client_config/lb_policy_factory.c',
-                      'src/core/client_config/lb_policy_registry.c',
-                      'src/core/client_config/resolver.c',
-                      'src/core/client_config/resolver_factory.c',
-                      'src/core/client_config/resolver_registry.c',
-                      'src/core/client_config/resolvers/dns_resolver.c',
-                      'src/core/client_config/resolvers/sockaddr_resolver.c',
-                      'src/core/client_config/subchannel.c',
-                      'src/core/client_config/subchannel_factory.c',
-                      'src/core/client_config/subchannel_index.c',
-                      'src/core/client_config/uri_parser.c',
-                      'src/core/compression/compression_algorithm.c',
-                      'src/core/compression/message_compress.c',
-                      'src/core/debug/trace.c',
-                      'src/core/httpcli/format_request.c',
-                      'src/core/httpcli/httpcli.c',
-                      'src/core/httpcli/parser.c',
-                      'src/core/iomgr/closure.c',
-                      'src/core/iomgr/endpoint.c',
-                      'src/core/iomgr/endpoint_pair_posix.c',
-                      'src/core/iomgr/endpoint_pair_windows.c',
-                      'src/core/iomgr/exec_ctx.c',
-                      'src/core/iomgr/executor.c',
-                      'src/core/iomgr/fd_posix.c',
-                      'src/core/iomgr/iocp_windows.c',
-                      'src/core/iomgr/iomgr.c',
-                      'src/core/iomgr/iomgr_posix.c',
-                      'src/core/iomgr/iomgr_windows.c',
-                      'src/core/iomgr/pollset_multipoller_with_epoll.c',
-                      'src/core/iomgr/pollset_multipoller_with_poll_posix.c',
-                      'src/core/iomgr/pollset_posix.c',
-                      'src/core/iomgr/pollset_set_posix.c',
-                      'src/core/iomgr/pollset_set_windows.c',
-                      'src/core/iomgr/pollset_windows.c',
-                      'src/core/iomgr/resolve_address_posix.c',
-                      'src/core/iomgr/resolve_address_windows.c',
-                      'src/core/iomgr/sockaddr_utils.c',
-                      'src/core/iomgr/socket_utils_common_posix.c',
-                      'src/core/iomgr/socket_utils_linux.c',
-                      'src/core/iomgr/socket_utils_posix.c',
-                      'src/core/iomgr/socket_windows.c',
-                      'src/core/iomgr/tcp_client_posix.c',
-                      'src/core/iomgr/tcp_client_windows.c',
-                      'src/core/iomgr/tcp_posix.c',
-                      'src/core/iomgr/tcp_server_posix.c',
-                      'src/core/iomgr/tcp_server_windows.c',
-                      'src/core/iomgr/tcp_windows.c',
-                      'src/core/iomgr/time_averaged_stats.c',
-                      'src/core/iomgr/timer.c',
-                      'src/core/iomgr/timer_heap.c',
-                      'src/core/iomgr/udp_server.c',
-                      'src/core/iomgr/wakeup_fd_eventfd.c',
-                      'src/core/iomgr/wakeup_fd_nospecial.c',
-                      'src/core/iomgr/wakeup_fd_pipe.c',
-                      'src/core/iomgr/wakeup_fd_posix.c',
-                      'src/core/iomgr/workqueue_posix.c',
-                      'src/core/iomgr/workqueue_windows.c',
-                      'src/core/json/json.c',
-                      'src/core/json/json_reader.c',
-                      'src/core/json/json_string.c',
-                      'src/core/json/json_writer.c',
-                      'src/core/proto/grpc/lb/v0/load_balancer.pb.c',
-                      'src/core/surface/alarm.c',
-                      'src/core/surface/api_trace.c',
-                      'src/core/surface/byte_buffer.c',
-                      'src/core/surface/byte_buffer_reader.c',
-                      'src/core/surface/call.c',
-                      'src/core/surface/call_details.c',
-                      'src/core/surface/call_log_batch.c',
-                      'src/core/surface/channel.c',
-                      'src/core/surface/channel_connectivity.c',
-                      'src/core/surface/channel_create.c',
-                      'src/core/surface/channel_ping.c',
-                      'src/core/surface/completion_queue.c',
-                      'src/core/surface/event_string.c',
-                      'src/core/surface/init.c',
-                      'src/core/surface/lame_client.c',
-                      'src/core/surface/metadata_array.c',
-                      'src/core/surface/server.c',
-                      'src/core/surface/server_chttp2.c',
-                      'src/core/surface/server_create.c',
-                      'src/core/surface/validate_metadata.c',
-                      'src/core/surface/version.c',
-                      'src/core/transport/byte_stream.c',
-                      'src/core/transport/chttp2/alpn.c',
-                      'src/core/transport/chttp2/bin_encoder.c',
-                      'src/core/transport/chttp2/frame_data.c',
-                      'src/core/transport/chttp2/frame_goaway.c',
-                      'src/core/transport/chttp2/frame_ping.c',
-                      'src/core/transport/chttp2/frame_rst_stream.c',
-                      'src/core/transport/chttp2/frame_settings.c',
-                      'src/core/transport/chttp2/frame_window_update.c',
-                      'src/core/transport/chttp2/hpack_encoder.c',
-                      'src/core/transport/chttp2/hpack_parser.c',
-                      'src/core/transport/chttp2/hpack_table.c',
-                      'src/core/transport/chttp2/huffsyms.c',
-                      'src/core/transport/chttp2/incoming_metadata.c',
-                      'src/core/transport/chttp2/parsing.c',
-                      'src/core/transport/chttp2/status_conversion.c',
-                      'src/core/transport/chttp2/stream_lists.c',
-                      'src/core/transport/chttp2/stream_map.c',
-                      'src/core/transport/chttp2/timeout_encoding.c',
-                      'src/core/transport/chttp2/varint.c',
-                      'src/core/transport/chttp2/writing.c',
-                      'src/core/transport/chttp2_transport.c',
-                      'src/core/transport/connectivity_state.c',
-                      'src/core/transport/metadata.c',
-                      'src/core/transport/metadata_batch.c',
-                      'src/core/transport/static_metadata.c',
-                      'src/core/transport/transport.c',
-                      'src/core/transport/transport_op_string.c',
-                      'src/core/httpcli/httpcli_security_connector.c',
-                      'src/core/security/b64.c',
-                      'src/core/security/client_auth_filter.c',
-                      'src/core/security/credentials.c',
-                      'src/core/security/credentials_metadata.c',
-                      'src/core/security/credentials_posix.c',
-                      'src/core/security/credentials_win32.c',
-                      'src/core/security/google_default_credentials.c',
-                      'src/core/security/handshake.c',
-                      'src/core/security/json_token.c',
-                      'src/core/security/jwt_verifier.c',
-                      'src/core/security/secure_endpoint.c',
-                      'src/core/security/security_connector.c',
-                      'src/core/security/security_context.c',
-                      'src/core/security/server_auth_filter.c',
-                      'src/core/security/server_secure_chttp2.c',
-                      'src/core/surface/init_secure.c',
-                      'src/core/surface/secure_channel_create.c',
-                      'src/core/tsi/fake_transport_security.c',
-                      'src/core/tsi/ssl_transport_security.c',
-                      'src/core/tsi/transport_security.c',
-                      'src/core/census/context.c',
-                      'src/core/census/initialize.c',
-                      'src/core/census/mlog.c',
-                      'src/core/census/operation.c',
-                      'src/core/census/placeholders.c',
-                      'src/core/census/tracing.c',
+                      'src/core/lib/surface/init.c',
+                      'src/core/lib/channel/channel_args.c',
+                      'src/core/lib/channel/channel_stack.c',
+                      'src/core/lib/channel/channel_stack_builder.c',
+                      'src/core/lib/channel/compress_filter.c',
+                      'src/core/lib/channel/connected_channel.c',
+                      'src/core/lib/channel/http_client_filter.c',
+                      'src/core/lib/channel/http_server_filter.c',
+                      'src/core/lib/compression/compression_algorithm.c',
+                      'src/core/lib/compression/message_compress.c',
+                      'src/core/lib/debug/trace.c',
+                      'src/core/lib/http/format_request.c',
+                      'src/core/lib/http/httpcli.c',
+                      'src/core/lib/http/parser.c',
+                      'src/core/lib/iomgr/closure.c',
+                      'src/core/lib/iomgr/endpoint.c',
+                      'src/core/lib/iomgr/endpoint_pair_posix.c',
+                      'src/core/lib/iomgr/endpoint_pair_windows.c',
+                      'src/core/lib/iomgr/ev_poll_and_epoll_posix.c',
+                      'src/core/lib/iomgr/ev_posix.c',
+                      'src/core/lib/iomgr/exec_ctx.c',
+                      'src/core/lib/iomgr/executor.c',
+                      'src/core/lib/iomgr/iocp_windows.c',
+                      'src/core/lib/iomgr/iomgr.c',
+                      'src/core/lib/iomgr/iomgr_posix.c',
+                      'src/core/lib/iomgr/iomgr_windows.c',
+                      'src/core/lib/iomgr/pollset_set_windows.c',
+                      'src/core/lib/iomgr/pollset_windows.c',
+                      'src/core/lib/iomgr/resolve_address_posix.c',
+                      'src/core/lib/iomgr/resolve_address_windows.c',
+                      'src/core/lib/iomgr/sockaddr_utils.c',
+                      'src/core/lib/iomgr/socket_utils_common_posix.c',
+                      'src/core/lib/iomgr/socket_utils_linux.c',
+                      'src/core/lib/iomgr/socket_utils_posix.c',
+                      'src/core/lib/iomgr/socket_windows.c',
+                      'src/core/lib/iomgr/tcp_client_posix.c',
+                      'src/core/lib/iomgr/tcp_client_windows.c',
+                      'src/core/lib/iomgr/tcp_posix.c',
+                      'src/core/lib/iomgr/tcp_server_posix.c',
+                      'src/core/lib/iomgr/tcp_server_windows.c',
+                      'src/core/lib/iomgr/tcp_windows.c',
+                      'src/core/lib/iomgr/time_averaged_stats.c',
+                      'src/core/lib/iomgr/timer.c',
+                      'src/core/lib/iomgr/timer_heap.c',
+                      'src/core/lib/iomgr/udp_server.c',
+                      'src/core/lib/iomgr/unix_sockets_posix.c',
+                      'src/core/lib/iomgr/unix_sockets_posix_noop.c',
+                      'src/core/lib/iomgr/wakeup_fd_eventfd.c',
+                      'src/core/lib/iomgr/wakeup_fd_nospecial.c',
+                      'src/core/lib/iomgr/wakeup_fd_pipe.c',
+                      'src/core/lib/iomgr/wakeup_fd_posix.c',
+                      'src/core/lib/iomgr/workqueue_posix.c',
+                      'src/core/lib/iomgr/workqueue_windows.c',
+                      'src/core/lib/json/json.c',
+                      'src/core/lib/json/json_reader.c',
+                      'src/core/lib/json/json_string.c',
+                      'src/core/lib/json/json_writer.c',
+                      'src/core/lib/surface/alarm.c',
+                      'src/core/lib/surface/api_trace.c',
+                      'src/core/lib/surface/byte_buffer.c',
+                      'src/core/lib/surface/byte_buffer_reader.c',
+                      'src/core/lib/surface/call.c',
+                      'src/core/lib/surface/call_details.c',
+                      'src/core/lib/surface/call_log_batch.c',
+                      'src/core/lib/surface/channel.c',
+                      'src/core/lib/surface/channel_init.c',
+                      'src/core/lib/surface/channel_ping.c',
+                      'src/core/lib/surface/channel_stack_type.c',
+                      'src/core/lib/surface/completion_queue.c',
+                      'src/core/lib/surface/event_string.c',
+                      'src/core/lib/surface/lame_client.c',
+                      'src/core/lib/surface/metadata_array.c',
+                      'src/core/lib/surface/server.c',
+                      'src/core/lib/surface/validate_metadata.c',
+                      'src/core/lib/surface/version.c',
+                      'src/core/lib/transport/byte_stream.c',
+                      'src/core/lib/transport/connectivity_state.c',
+                      'src/core/lib/transport/metadata.c',
+                      'src/core/lib/transport/metadata_batch.c',
+                      'src/core/lib/transport/static_metadata.c',
+                      'src/core/lib/transport/transport.c',
+                      'src/core/lib/transport/transport_op_string.c',
+                      'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
+                      'src/core/ext/transport/chttp2/transport/bin_encoder.c',
+                      'src/core/ext/transport/chttp2/transport/chttp2_plugin.c',
+                      'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
+                      'src/core/ext/transport/chttp2/transport/frame_data.c',
+                      'src/core/ext/transport/chttp2/transport/frame_goaway.c',
+                      'src/core/ext/transport/chttp2/transport/frame_ping.c',
+                      'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
+                      'src/core/ext/transport/chttp2/transport/frame_settings.c',
+                      'src/core/ext/transport/chttp2/transport/frame_window_update.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_parser.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_table.c',
+                      'src/core/ext/transport/chttp2/transport/huffsyms.c',
+                      'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
+                      'src/core/ext/transport/chttp2/transport/parsing.c',
+                      'src/core/ext/transport/chttp2/transport/status_conversion.c',
+                      'src/core/ext/transport/chttp2/transport/stream_lists.c',
+                      'src/core/ext/transport/chttp2/transport/stream_map.c',
+                      'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
+                      'src/core/ext/transport/chttp2/transport/varint.c',
+                      'src/core/ext/transport/chttp2/transport/writing.c',
+                      'src/core/ext/transport/chttp2/alpn/alpn.c',
+                      'src/core/lib/http/httpcli_security_connector.c',
+                      'src/core/lib/security/b64.c',
+                      'src/core/lib/security/client_auth_filter.c',
+                      'src/core/lib/security/credentials.c',
+                      'src/core/lib/security/credentials_metadata.c',
+                      'src/core/lib/security/credentials_posix.c',
+                      'src/core/lib/security/credentials_win32.c',
+                      'src/core/lib/security/google_default_credentials.c',
+                      'src/core/lib/security/handshake.c',
+                      'src/core/lib/security/json_token.c',
+                      'src/core/lib/security/jwt_verifier.c',
+                      'src/core/lib/security/secure_endpoint.c',
+                      'src/core/lib/security/security_connector.c',
+                      'src/core/lib/security/security_context.c',
+                      'src/core/lib/security/server_auth_filter.c',
+                      'src/core/lib/surface/init_secure.c',
+                      'src/core/lib/tsi/fake_transport_security.c',
+                      'src/core/lib/tsi/ssl_transport_security.c',
+                      'src/core/lib/tsi/transport_security.c',
+                      'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
+                      'src/core/ext/client_config/channel_connectivity.c',
+                      'src/core/ext/client_config/client_channel.c',
+                      'src/core/ext/client_config/client_channel_factory.c',
+                      'src/core/ext/client_config/client_config.c',
+                      'src/core/ext/client_config/client_config_plugin.c',
+                      'src/core/ext/client_config/connector.c',
+                      'src/core/ext/client_config/default_initial_connect_string.c',
+                      'src/core/ext/client_config/initial_connect_string.c',
+                      'src/core/ext/client_config/lb_policy.c',
+                      'src/core/ext/client_config/lb_policy_factory.c',
+                      'src/core/ext/client_config/lb_policy_registry.c',
+                      'src/core/ext/client_config/parse_address.c',
+                      'src/core/ext/client_config/resolver.c',
+                      'src/core/ext/client_config/resolver_factory.c',
+                      'src/core/ext/client_config/resolver_registry.c',
+                      'src/core/ext/client_config/subchannel.c',
+                      'src/core/ext/client_config/subchannel_call_holder.c',
+                      'src/core/ext/client_config/subchannel_index.c',
+                      'src/core/ext/client_config/uri_parser.c',
+                      'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
+                      'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
+                      'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
+                      'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c',
                       'third_party/nanopb/pb_common.c',
                       'third_party/nanopb/pb_decode.c',
-                      'third_party/nanopb/pb_encode.c'
+                      'third_party/nanopb/pb_encode.c',
+                      'src/core/ext/lb_policy/pick_first/pick_first.c',
+                      'src/core/ext/lb_policy/round_robin/round_robin.c',
+                      'src/core/ext/resolver/dns/native/dns_resolver.c',
+                      'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
+                      'src/core/ext/census/context.c',
+                      'src/core/ext/census/grpc_context.c',
+                      'src/core/ext/census/grpc_filter.c',
+                      'src/core/ext/census/grpc_plugin.c',
+                      'src/core/ext/census/initialize.c',
+                      'src/core/ext/census/mlog.c',
+                      'src/core/ext/census/operation.c',
+                      'src/core/ext/census/placeholders.c',
+                      'src/core/ext/census/tracing.c',
+                      'src/core/plugin_registry/grpc_plugin_registry.c'
 
-    ss.private_header_files = 'src/core/profiling/timers.h',
-                              'src/core/support/backoff.h',
-                              'src/core/support/block_annotate.h',
-                              'src/core/support/env.h',
-                              'src/core/support/load_file.h',
-                              'src/core/support/murmur_hash.h',
-                              'src/core/support/stack_lockfree.h',
-                              'src/core/support/string.h',
-                              'src/core/support/string_win32.h',
-                              'src/core/support/thd_internal.h',
-                              'src/core/support/time_precise.h',
-                              'src/core/support/tmpfile.h',
-                              'src/core/census/grpc_filter.h',
-                              'src/core/channel/channel_args.h',
-                              'src/core/channel/channel_stack.h',
-                              'src/core/channel/client_channel.h',
-                              'src/core/channel/client_uchannel.h',
-                              'src/core/channel/compress_filter.h',
-                              'src/core/channel/connected_channel.h',
-                              'src/core/channel/context.h',
-                              'src/core/channel/http_client_filter.h',
-                              'src/core/channel/http_server_filter.h',
-                              'src/core/channel/subchannel_call_holder.h',
-                              'src/core/client_config/client_config.h',
-                              'src/core/client_config/connector.h',
-                              'src/core/client_config/initial_connect_string.h',
-                              'src/core/client_config/lb_policies/load_balancer_api.h',
-                              'src/core/client_config/lb_policies/pick_first.h',
-                              'src/core/client_config/lb_policies/round_robin.h',
-                              'src/core/client_config/lb_policy.h',
-                              'src/core/client_config/lb_policy_factory.h',
-                              'src/core/client_config/lb_policy_registry.h',
-                              'src/core/client_config/resolver.h',
-                              'src/core/client_config/resolver_factory.h',
-                              'src/core/client_config/resolver_registry.h',
-                              'src/core/client_config/resolvers/dns_resolver.h',
-                              'src/core/client_config/resolvers/sockaddr_resolver.h',
-                              'src/core/client_config/subchannel.h',
-                              'src/core/client_config/subchannel_factory.h',
-                              'src/core/client_config/subchannel_index.h',
-                              'src/core/client_config/uri_parser.h',
-                              'src/core/compression/algorithm_metadata.h',
-                              'src/core/compression/message_compress.h',
-                              'src/core/debug/trace.h',
-                              'src/core/httpcli/format_request.h',
-                              'src/core/httpcli/httpcli.h',
-                              'src/core/httpcli/parser.h',
-                              'src/core/iomgr/closure.h',
-                              'src/core/iomgr/endpoint.h',
-                              'src/core/iomgr/endpoint_pair.h',
-                              'src/core/iomgr/exec_ctx.h',
-                              'src/core/iomgr/executor.h',
-                              'src/core/iomgr/fd_posix.h',
-                              'src/core/iomgr/iocp_windows.h',
-                              'src/core/iomgr/iomgr.h',
-                              'src/core/iomgr/iomgr_internal.h',
-                              'src/core/iomgr/iomgr_posix.h',
-                              'src/core/iomgr/pollset.h',
-                              'src/core/iomgr/pollset_posix.h',
-                              'src/core/iomgr/pollset_set.h',
-                              'src/core/iomgr/pollset_set_posix.h',
-                              'src/core/iomgr/pollset_set_windows.h',
-                              'src/core/iomgr/pollset_windows.h',
-                              'src/core/iomgr/resolve_address.h',
-                              'src/core/iomgr/sockaddr.h',
-                              'src/core/iomgr/sockaddr_posix.h',
-                              'src/core/iomgr/sockaddr_utils.h',
-                              'src/core/iomgr/sockaddr_win32.h',
-                              'src/core/iomgr/socket_utils_posix.h',
-                              'src/core/iomgr/socket_windows.h',
-                              'src/core/iomgr/tcp_client.h',
-                              'src/core/iomgr/tcp_posix.h',
-                              'src/core/iomgr/tcp_server.h',
-                              'src/core/iomgr/tcp_windows.h',
-                              'src/core/iomgr/time_averaged_stats.h',
-                              'src/core/iomgr/timer.h',
-                              'src/core/iomgr/timer_heap.h',
-                              'src/core/iomgr/udp_server.h',
-                              'src/core/iomgr/wakeup_fd_pipe.h',
-                              'src/core/iomgr/wakeup_fd_posix.h',
-                              'src/core/iomgr/workqueue.h',
-                              'src/core/iomgr/workqueue_posix.h',
-                              'src/core/iomgr/workqueue_windows.h',
-                              'src/core/json/json.h',
-                              'src/core/json/json_common.h',
-                              'src/core/json/json_reader.h',
-                              'src/core/json/json_writer.h',
-                              'src/core/proto/grpc/lb/v0/load_balancer.pb.h',
-                              'src/core/statistics/census_interface.h',
-                              'src/core/statistics/census_rpc_stats.h',
-                              'src/core/surface/api_trace.h',
-                              'src/core/surface/call.h',
-                              'src/core/surface/call_test_only.h',
-                              'src/core/surface/channel.h',
-                              'src/core/surface/completion_queue.h',
-                              'src/core/surface/event_string.h',
-                              'src/core/surface/init.h',
-                              'src/core/surface/server.h',
-                              'src/core/surface/surface_trace.h',
-                              'src/core/transport/byte_stream.h',
-                              'src/core/transport/chttp2/alpn.h',
-                              'src/core/transport/chttp2/bin_encoder.h',
-                              'src/core/transport/chttp2/frame.h',
-                              'src/core/transport/chttp2/frame_data.h',
-                              'src/core/transport/chttp2/frame_goaway.h',
-                              'src/core/transport/chttp2/frame_ping.h',
-                              'src/core/transport/chttp2/frame_rst_stream.h',
-                              'src/core/transport/chttp2/frame_settings.h',
-                              'src/core/transport/chttp2/frame_window_update.h',
-                              'src/core/transport/chttp2/hpack_encoder.h',
-                              'src/core/transport/chttp2/hpack_parser.h',
-                              'src/core/transport/chttp2/hpack_table.h',
-                              'src/core/transport/chttp2/http2_errors.h',
-                              'src/core/transport/chttp2/huffsyms.h',
-                              'src/core/transport/chttp2/incoming_metadata.h',
-                              'src/core/transport/chttp2/internal.h',
-                              'src/core/transport/chttp2/status_conversion.h',
-                              'src/core/transport/chttp2/stream_map.h',
-                              'src/core/transport/chttp2/timeout_encoding.h',
-                              'src/core/transport/chttp2/varint.h',
-                              'src/core/transport/chttp2_transport.h',
-                              'src/core/transport/connectivity_state.h',
-                              'src/core/transport/metadata.h',
-                              'src/core/transport/metadata_batch.h',
-                              'src/core/transport/static_metadata.h',
-                              'src/core/transport/transport.h',
-                              'src/core/transport/transport_impl.h',
-                              'src/core/security/auth_filters.h',
-                              'src/core/security/b64.h',
-                              'src/core/security/credentials.h',
-                              'src/core/security/handshake.h',
-                              'src/core/security/json_token.h',
-                              'src/core/security/jwt_verifier.h',
-                              'src/core/security/secure_endpoint.h',
-                              'src/core/security/security_connector.h',
-                              'src/core/security/security_context.h',
-                              'src/core/tsi/fake_transport_security.h',
-                              'src/core/tsi/ssl_transport_security.h',
-                              'src/core/tsi/ssl_types.h',
-                              'src/core/tsi/transport_security.h',
-                              'src/core/tsi/transport_security_interface.h',
-                              'src/core/census/aggregation.h',
-                              'src/core/census/mlog.h',
-                              'src/core/census/rpc_metric_id.h',
+    ss.private_header_files = 'src/core/lib/profiling/timers.h',
+                              'src/core/lib/support/backoff.h',
+                              'src/core/lib/support/block_annotate.h',
+                              'src/core/lib/support/env.h',
+                              'src/core/lib/support/load_file.h',
+                              'src/core/lib/support/murmur_hash.h',
+                              'src/core/lib/support/stack_lockfree.h',
+                              'src/core/lib/support/string.h',
+                              'src/core/lib/support/string_win32.h',
+                              'src/core/lib/support/thd_internal.h',
+                              'src/core/lib/support/time_precise.h',
+                              'src/core/lib/support/tmpfile.h',
+                              'src/core/lib/channel/channel_args.h',
+                              'src/core/lib/channel/channel_stack.h',
+                              'src/core/lib/channel/channel_stack_builder.h',
+                              'src/core/lib/channel/compress_filter.h',
+                              'src/core/lib/channel/connected_channel.h',
+                              'src/core/lib/channel/context.h',
+                              'src/core/lib/channel/http_client_filter.h',
+                              'src/core/lib/channel/http_server_filter.h',
+                              'src/core/lib/compression/algorithm_metadata.h',
+                              'src/core/lib/compression/message_compress.h',
+                              'src/core/lib/debug/trace.h',
+                              'src/core/lib/http/format_request.h',
+                              'src/core/lib/http/httpcli.h',
+                              'src/core/lib/http/parser.h',
+                              'src/core/lib/iomgr/closure.h',
+                              'src/core/lib/iomgr/endpoint.h',
+                              'src/core/lib/iomgr/endpoint_pair.h',
+                              'src/core/lib/iomgr/ev_poll_and_epoll_posix.h',
+                              'src/core/lib/iomgr/ev_posix.h',
+                              'src/core/lib/iomgr/exec_ctx.h',
+                              'src/core/lib/iomgr/executor.h',
+                              'src/core/lib/iomgr/iocp_windows.h',
+                              'src/core/lib/iomgr/iomgr.h',
+                              'src/core/lib/iomgr/iomgr_internal.h',
+                              'src/core/lib/iomgr/iomgr_posix.h',
+                              'src/core/lib/iomgr/pollset.h',
+                              'src/core/lib/iomgr/pollset_set.h',
+                              'src/core/lib/iomgr/pollset_set_windows.h',
+                              'src/core/lib/iomgr/pollset_windows.h',
+                              'src/core/lib/iomgr/resolve_address.h',
+                              'src/core/lib/iomgr/sockaddr.h',
+                              'src/core/lib/iomgr/sockaddr_posix.h',
+                              'src/core/lib/iomgr/sockaddr_utils.h',
+                              'src/core/lib/iomgr/sockaddr_win32.h',
+                              'src/core/lib/iomgr/socket_utils_posix.h',
+                              'src/core/lib/iomgr/socket_windows.h',
+                              'src/core/lib/iomgr/tcp_client.h',
+                              'src/core/lib/iomgr/tcp_posix.h',
+                              'src/core/lib/iomgr/tcp_server.h',
+                              'src/core/lib/iomgr/tcp_windows.h',
+                              'src/core/lib/iomgr/time_averaged_stats.h',
+                              'src/core/lib/iomgr/timer.h',
+                              'src/core/lib/iomgr/timer_heap.h',
+                              'src/core/lib/iomgr/udp_server.h',
+                              'src/core/lib/iomgr/unix_sockets_posix.h',
+                              'src/core/lib/iomgr/wakeup_fd_pipe.h',
+                              'src/core/lib/iomgr/wakeup_fd_posix.h',
+                              'src/core/lib/iomgr/workqueue.h',
+                              'src/core/lib/iomgr/workqueue_posix.h',
+                              'src/core/lib/iomgr/workqueue_windows.h',
+                              'src/core/lib/json/json.h',
+                              'src/core/lib/json/json_common.h',
+                              'src/core/lib/json/json_reader.h',
+                              'src/core/lib/json/json_writer.h',
+                              'src/core/lib/surface/api_trace.h',
+                              'src/core/lib/surface/call.h',
+                              'src/core/lib/surface/call_test_only.h',
+                              'src/core/lib/surface/channel.h',
+                              'src/core/lib/surface/channel_init.h',
+                              'src/core/lib/surface/channel_stack_type.h',
+                              'src/core/lib/surface/completion_queue.h',
+                              'src/core/lib/surface/event_string.h',
+                              'src/core/lib/surface/init.h',
+                              'src/core/lib/surface/lame_client.h',
+                              'src/core/lib/surface/server.h',
+                              'src/core/lib/surface/surface_trace.h',
+                              'src/core/lib/transport/byte_stream.h',
+                              'src/core/lib/transport/connectivity_state.h',
+                              'src/core/lib/transport/metadata.h',
+                              'src/core/lib/transport/metadata_batch.h',
+                              'src/core/lib/transport/static_metadata.h',
+                              'src/core/lib/transport/transport.h',
+                              'src/core/lib/transport/transport_impl.h',
+                              'src/core/ext/transport/chttp2/transport/bin_encoder.h',
+                              'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
+                              'src/core/ext/transport/chttp2/transport/frame.h',
+                              'src/core/ext/transport/chttp2/transport/frame_data.h',
+                              'src/core/ext/transport/chttp2/transport/frame_goaway.h',
+                              'src/core/ext/transport/chttp2/transport/frame_ping.h',
+                              'src/core/ext/transport/chttp2/transport/frame_rst_stream.h',
+                              'src/core/ext/transport/chttp2/transport/frame_settings.h',
+                              'src/core/ext/transport/chttp2/transport/frame_window_update.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_parser.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_table.h',
+                              'src/core/ext/transport/chttp2/transport/http2_errors.h',
+                              'src/core/ext/transport/chttp2/transport/huffsyms.h',
+                              'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
+                              'src/core/ext/transport/chttp2/transport/internal.h',
+                              'src/core/ext/transport/chttp2/transport/status_conversion.h',
+                              'src/core/ext/transport/chttp2/transport/stream_map.h',
+                              'src/core/ext/transport/chttp2/transport/timeout_encoding.h',
+                              'src/core/ext/transport/chttp2/transport/varint.h',
+                              'src/core/ext/transport/chttp2/alpn/alpn.h',
+                              'src/core/lib/security/auth_filters.h',
+                              'src/core/lib/security/b64.h',
+                              'src/core/lib/security/credentials.h',
+                              'src/core/lib/security/handshake.h',
+                              'src/core/lib/security/json_token.h',
+                              'src/core/lib/security/jwt_verifier.h',
+                              'src/core/lib/security/secure_endpoint.h',
+                              'src/core/lib/security/security_connector.h',
+                              'src/core/lib/security/security_context.h',
+                              'src/core/lib/tsi/fake_transport_security.h',
+                              'src/core/lib/tsi/ssl_transport_security.h',
+                              'src/core/lib/tsi/ssl_types.h',
+                              'src/core/lib/tsi/transport_security.h',
+                              'src/core/lib/tsi/transport_security_interface.h',
+                              'src/core/ext/client_config/client_channel.h',
+                              'src/core/ext/client_config/client_channel_factory.h',
+                              'src/core/ext/client_config/client_config.h',
+                              'src/core/ext/client_config/connector.h',
+                              'src/core/ext/client_config/initial_connect_string.h',
+                              'src/core/ext/client_config/lb_policy.h',
+                              'src/core/ext/client_config/lb_policy_factory.h',
+                              'src/core/ext/client_config/lb_policy_registry.h',
+                              'src/core/ext/client_config/parse_address.h',
+                              'src/core/ext/client_config/resolver.h',
+                              'src/core/ext/client_config/resolver_factory.h',
+                              'src/core/ext/client_config/resolver_registry.h',
+                              'src/core/ext/client_config/subchannel.h',
+                              'src/core/ext/client_config/subchannel_call_holder.h',
+                              'src/core/ext/client_config/subchannel_index.h',
+                              'src/core/ext/client_config/uri_parser.h',
+                              'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
+                              'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h',
                               'third_party/nanopb/pb.h',
                               'third_party/nanopb/pb_common.h',
                               'third_party/nanopb/pb_decode.h',
-                              'third_party/nanopb/pb_encode.h'
+                              'third_party/nanopb/pb_encode.h',
+                              'src/core/ext/census/aggregation.h',
+                              'src/core/ext/census/census_interface.h',
+                              'src/core/ext/census/census_rpc_stats.h',
+                              'src/core/ext/census/grpc_filter.h',
+                              'src/core/ext/census/mlog.h',
+                              'src/core/ext/census/rpc_metric_id.h'
 
     ss.header_mappings_dir = '.'
     # This isn't officially supported in Cocoapods. We've asked for an alternative:
diff --git a/grpc.def b/grpc.def
index f81aa1b05a6e84ee70aece13dd979058c8128638..6542c06a4baf7ddedda65d138846a41e7f208afd 100644
--- a/grpc.def
+++ b/grpc.def
@@ -114,6 +114,7 @@ EXPORTS
     grpc_secure_channel_create
     grpc_server_credentials_release
     grpc_ssl_server_credentials_create
+    grpc_ssl_server_credentials_create_ex
     grpc_server_add_secure_http2_port
     grpc_call_set_credentials
     grpc_server_credentials_set_auth_metadata_processor
@@ -136,6 +137,8 @@ EXPORTS
     grpc_raw_byte_buffer_from_reader
     gpr_log
     gpr_log_message
+    gpr_set_log_verbosity
+    gpr_log_verbosity_init
     gpr_set_log_function
     gpr_slice_ref
     gpr_slice_unref
diff --git a/grpc.gemspec b/grpc.gemspec
index 4480c6e5d1bdf12cf42822cfb578e98d0b7efc7b..a9f0f681df0105e586b9fab2b6c1017771f7a2e7 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -24,10 +24,6 @@ Gem::Specification.new do |s|
   s.files += Dir.glob('include/grpc/**/*')
   s.test_files = Dir.glob('src/ruby/spec/**/*')
   s.bindir = 'src/ruby/bin'
-  %w(math noproto).each do |b|
-    s.executables += ["#{b}_client.rb", "#{b}_server.rb"]
-  end
-  s.executables += %w(grpc_ruby_interop_client grpc_ruby_interop_server)
   s.require_paths = %w( src/ruby/bin src/ruby/lib src/ruby/pb )
   s.platform      = Gem::Platform::RUBY
 
@@ -35,6 +31,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'googleauth',      '~> 0.5.1'
 
   s.add_development_dependency 'bundler',            '~> 1.9'
+  s.add_development_dependency 'facter',             '~> 2.4'
   s.add_development_dependency 'logging',            '~> 2.0'
   s.add_development_dependency 'simplecov',          '~> 0.9'
   s.add_development_dependency 'rake',               '~> 10.4'
@@ -88,63 +85,62 @@ Gem::Specification.new do |s|
   s.files += %w( include/grpc/impl/codegen/sync_posix.h )
   s.files += %w( include/grpc/impl/codegen/sync_win32.h )
   s.files += %w( include/grpc/impl/codegen/time.h )
-  s.files += %w( src/core/profiling/timers.h )
-  s.files += %w( src/core/support/backoff.h )
-  s.files += %w( src/core/support/block_annotate.h )
-  s.files += %w( src/core/support/env.h )
-  s.files += %w( src/core/support/load_file.h )
-  s.files += %w( src/core/support/murmur_hash.h )
-  s.files += %w( src/core/support/stack_lockfree.h )
-  s.files += %w( src/core/support/string.h )
-  s.files += %w( src/core/support/string_win32.h )
-  s.files += %w( src/core/support/thd_internal.h )
-  s.files += %w( src/core/support/time_precise.h )
-  s.files += %w( src/core/support/tmpfile.h )
-  s.files += %w( src/core/profiling/basic_timers.c )
-  s.files += %w( src/core/profiling/stap_timers.c )
-  s.files += %w( src/core/support/alloc.c )
-  s.files += %w( src/core/support/avl.c )
-  s.files += %w( src/core/support/backoff.c )
-  s.files += %w( src/core/support/cmdline.c )
-  s.files += %w( src/core/support/cpu_iphone.c )
-  s.files += %w( src/core/support/cpu_linux.c )
-  s.files += %w( src/core/support/cpu_posix.c )
-  s.files += %w( src/core/support/cpu_windows.c )
-  s.files += %w( src/core/support/env_linux.c )
-  s.files += %w( src/core/support/env_posix.c )
-  s.files += %w( src/core/support/env_win32.c )
-  s.files += %w( src/core/support/histogram.c )
-  s.files += %w( src/core/support/host_port.c )
-  s.files += %w( src/core/support/load_file.c )
-  s.files += %w( src/core/support/log.c )
-  s.files += %w( src/core/support/log_android.c )
-  s.files += %w( src/core/support/log_linux.c )
-  s.files += %w( src/core/support/log_posix.c )
-  s.files += %w( src/core/support/log_win32.c )
-  s.files += %w( src/core/support/murmur_hash.c )
-  s.files += %w( src/core/support/slice.c )
-  s.files += %w( src/core/support/slice_buffer.c )
-  s.files += %w( src/core/support/stack_lockfree.c )
-  s.files += %w( src/core/support/string.c )
-  s.files += %w( src/core/support/string_posix.c )
-  s.files += %w( src/core/support/string_win32.c )
-  s.files += %w( src/core/support/subprocess_posix.c )
-  s.files += %w( src/core/support/subprocess_windows.c )
-  s.files += %w( src/core/support/sync.c )
-  s.files += %w( src/core/support/sync_posix.c )
-  s.files += %w( src/core/support/sync_win32.c )
-  s.files += %w( src/core/support/thd.c )
-  s.files += %w( src/core/support/thd_posix.c )
-  s.files += %w( src/core/support/thd_win32.c )
-  s.files += %w( src/core/support/time.c )
-  s.files += %w( src/core/support/time_posix.c )
-  s.files += %w( src/core/support/time_precise.c )
-  s.files += %w( src/core/support/time_win32.c )
-  s.files += %w( src/core/support/tls_pthread.c )
-  s.files += %w( src/core/support/tmpfile_posix.c )
-  s.files += %w( src/core/support/tmpfile_win32.c )
-  s.files += %w( src/core/support/wrap_memcpy.c )
-  s.files += %w( include/grpc/grpc_security.h )
+  s.files += %w( src/core/lib/profiling/timers.h )
+  s.files += %w( src/core/lib/support/backoff.h )
+  s.files += %w( src/core/lib/support/block_annotate.h )
+  s.files += %w( src/core/lib/support/env.h )
+  s.files += %w( src/core/lib/support/load_file.h )
+  s.files += %w( src/core/lib/support/murmur_hash.h )
+  s.files += %w( src/core/lib/support/stack_lockfree.h )
+  s.files += %w( src/core/lib/support/string.h )
+  s.files += %w( src/core/lib/support/string_win32.h )
+  s.files += %w( src/core/lib/support/thd_internal.h )
+  s.files += %w( src/core/lib/support/time_precise.h )
+  s.files += %w( src/core/lib/support/tmpfile.h )
+  s.files += %w( src/core/lib/profiling/basic_timers.c )
+  s.files += %w( src/core/lib/profiling/stap_timers.c )
+  s.files += %w( src/core/lib/support/alloc.c )
+  s.files += %w( src/core/lib/support/avl.c )
+  s.files += %w( src/core/lib/support/backoff.c )
+  s.files += %w( src/core/lib/support/cmdline.c )
+  s.files += %w( src/core/lib/support/cpu_iphone.c )
+  s.files += %w( src/core/lib/support/cpu_linux.c )
+  s.files += %w( src/core/lib/support/cpu_posix.c )
+  s.files += %w( src/core/lib/support/cpu_windows.c )
+  s.files += %w( src/core/lib/support/env_linux.c )
+  s.files += %w( src/core/lib/support/env_posix.c )
+  s.files += %w( src/core/lib/support/env_win32.c )
+  s.files += %w( src/core/lib/support/histogram.c )
+  s.files += %w( src/core/lib/support/host_port.c )
+  s.files += %w( src/core/lib/support/load_file.c )
+  s.files += %w( src/core/lib/support/log.c )
+  s.files += %w( src/core/lib/support/log_android.c )
+  s.files += %w( src/core/lib/support/log_linux.c )
+  s.files += %w( src/core/lib/support/log_posix.c )
+  s.files += %w( src/core/lib/support/log_win32.c )
+  s.files += %w( src/core/lib/support/murmur_hash.c )
+  s.files += %w( src/core/lib/support/slice.c )
+  s.files += %w( src/core/lib/support/slice_buffer.c )
+  s.files += %w( src/core/lib/support/stack_lockfree.c )
+  s.files += %w( src/core/lib/support/string.c )
+  s.files += %w( src/core/lib/support/string_posix.c )
+  s.files += %w( src/core/lib/support/string_win32.c )
+  s.files += %w( src/core/lib/support/subprocess_posix.c )
+  s.files += %w( src/core/lib/support/subprocess_windows.c )
+  s.files += %w( src/core/lib/support/sync.c )
+  s.files += %w( src/core/lib/support/sync_posix.c )
+  s.files += %w( src/core/lib/support/sync_win32.c )
+  s.files += %w( src/core/lib/support/thd.c )
+  s.files += %w( src/core/lib/support/thd_posix.c )
+  s.files += %w( src/core/lib/support/thd_win32.c )
+  s.files += %w( src/core/lib/support/time.c )
+  s.files += %w( src/core/lib/support/time_posix.c )
+  s.files += %w( src/core/lib/support/time_precise.c )
+  s.files += %w( src/core/lib/support/time_win32.c )
+  s.files += %w( src/core/lib/support/tls_pthread.c )
+  s.files += %w( src/core/lib/support/tmpfile_posix.c )
+  s.files += %w( src/core/lib/support/tmpfile_win32.c )
+  s.files += %w( src/core/lib/support/wrap_memcpy.c )
   s.files += %w( include/grpc/byte_buffer.h )
   s.files += %w( include/grpc/byte_buffer_reader.h )
   s.files += %w( include/grpc/compression.h )
@@ -156,303 +152,324 @@ Gem::Specification.new do |s|
   s.files += %w( include/grpc/impl/codegen/grpc_types.h )
   s.files += %w( include/grpc/impl/codegen/propagation_bits.h )
   s.files += %w( include/grpc/impl/codegen/status.h )
+  s.files += %w( include/grpc/impl/codegen/alloc.h )
+  s.files += %w( include/grpc/impl/codegen/atm.h )
+  s.files += %w( include/grpc/impl/codegen/atm_gcc_atomic.h )
+  s.files += %w( include/grpc/impl/codegen/atm_gcc_sync.h )
+  s.files += %w( include/grpc/impl/codegen/atm_win32.h )
+  s.files += %w( include/grpc/impl/codegen/log.h )
+  s.files += %w( include/grpc/impl/codegen/port_platform.h )
+  s.files += %w( include/grpc/impl/codegen/slice.h )
+  s.files += %w( include/grpc/impl/codegen/slice_buffer.h )
+  s.files += %w( include/grpc/impl/codegen/sync.h )
+  s.files += %w( include/grpc/impl/codegen/sync_generic.h )
+  s.files += %w( include/grpc/impl/codegen/sync_posix.h )
+  s.files += %w( include/grpc/impl/codegen/sync_win32.h )
+  s.files += %w( include/grpc/impl/codegen/time.h )
+  s.files += %w( include/grpc/grpc_security.h )
+  s.files += %w( include/grpc/grpc_security_constants.h )
   s.files += %w( include/grpc/census.h )
-  s.files += %w( src/core/census/grpc_filter.h )
-  s.files += %w( src/core/channel/channel_args.h )
-  s.files += %w( src/core/channel/channel_stack.h )
-  s.files += %w( src/core/channel/client_channel.h )
-  s.files += %w( src/core/channel/client_uchannel.h )
-  s.files += %w( src/core/channel/compress_filter.h )
-  s.files += %w( src/core/channel/connected_channel.h )
-  s.files += %w( src/core/channel/context.h )
-  s.files += %w( src/core/channel/http_client_filter.h )
-  s.files += %w( src/core/channel/http_server_filter.h )
-  s.files += %w( src/core/channel/subchannel_call_holder.h )
-  s.files += %w( src/core/client_config/client_config.h )
-  s.files += %w( src/core/client_config/connector.h )
-  s.files += %w( src/core/client_config/initial_connect_string.h )
-  s.files += %w( src/core/client_config/lb_policies/load_balancer_api.h )
-  s.files += %w( src/core/client_config/lb_policies/pick_first.h )
-  s.files += %w( src/core/client_config/lb_policies/round_robin.h )
-  s.files += %w( src/core/client_config/lb_policy.h )
-  s.files += %w( src/core/client_config/lb_policy_factory.h )
-  s.files += %w( src/core/client_config/lb_policy_registry.h )
-  s.files += %w( src/core/client_config/resolver.h )
-  s.files += %w( src/core/client_config/resolver_factory.h )
-  s.files += %w( src/core/client_config/resolver_registry.h )
-  s.files += %w( src/core/client_config/resolvers/dns_resolver.h )
-  s.files += %w( src/core/client_config/resolvers/sockaddr_resolver.h )
-  s.files += %w( src/core/client_config/subchannel.h )
-  s.files += %w( src/core/client_config/subchannel_factory.h )
-  s.files += %w( src/core/client_config/subchannel_index.h )
-  s.files += %w( src/core/client_config/uri_parser.h )
-  s.files += %w( src/core/compression/algorithm_metadata.h )
-  s.files += %w( src/core/compression/message_compress.h )
-  s.files += %w( src/core/debug/trace.h )
-  s.files += %w( src/core/httpcli/format_request.h )
-  s.files += %w( src/core/httpcli/httpcli.h )
-  s.files += %w( src/core/httpcli/parser.h )
-  s.files += %w( src/core/iomgr/closure.h )
-  s.files += %w( src/core/iomgr/endpoint.h )
-  s.files += %w( src/core/iomgr/endpoint_pair.h )
-  s.files += %w( src/core/iomgr/exec_ctx.h )
-  s.files += %w( src/core/iomgr/executor.h )
-  s.files += %w( src/core/iomgr/fd_posix.h )
-  s.files += %w( src/core/iomgr/iocp_windows.h )
-  s.files += %w( src/core/iomgr/iomgr.h )
-  s.files += %w( src/core/iomgr/iomgr_internal.h )
-  s.files += %w( src/core/iomgr/iomgr_posix.h )
-  s.files += %w( src/core/iomgr/pollset.h )
-  s.files += %w( src/core/iomgr/pollset_posix.h )
-  s.files += %w( src/core/iomgr/pollset_set.h )
-  s.files += %w( src/core/iomgr/pollset_set_posix.h )
-  s.files += %w( src/core/iomgr/pollset_set_windows.h )
-  s.files += %w( src/core/iomgr/pollset_windows.h )
-  s.files += %w( src/core/iomgr/resolve_address.h )
-  s.files += %w( src/core/iomgr/sockaddr.h )
-  s.files += %w( src/core/iomgr/sockaddr_posix.h )
-  s.files += %w( src/core/iomgr/sockaddr_utils.h )
-  s.files += %w( src/core/iomgr/sockaddr_win32.h )
-  s.files += %w( src/core/iomgr/socket_utils_posix.h )
-  s.files += %w( src/core/iomgr/socket_windows.h )
-  s.files += %w( src/core/iomgr/tcp_client.h )
-  s.files += %w( src/core/iomgr/tcp_posix.h )
-  s.files += %w( src/core/iomgr/tcp_server.h )
-  s.files += %w( src/core/iomgr/tcp_windows.h )
-  s.files += %w( src/core/iomgr/time_averaged_stats.h )
-  s.files += %w( src/core/iomgr/timer.h )
-  s.files += %w( src/core/iomgr/timer_heap.h )
-  s.files += %w( src/core/iomgr/udp_server.h )
-  s.files += %w( src/core/iomgr/wakeup_fd_pipe.h )
-  s.files += %w( src/core/iomgr/wakeup_fd_posix.h )
-  s.files += %w( src/core/iomgr/workqueue.h )
-  s.files += %w( src/core/iomgr/workqueue_posix.h )
-  s.files += %w( src/core/iomgr/workqueue_windows.h )
-  s.files += %w( src/core/json/json.h )
-  s.files += %w( src/core/json/json_common.h )
-  s.files += %w( src/core/json/json_reader.h )
-  s.files += %w( src/core/json/json_writer.h )
-  s.files += %w( src/core/proto/grpc/lb/v0/load_balancer.pb.h )
-  s.files += %w( src/core/statistics/census_interface.h )
-  s.files += %w( src/core/statistics/census_rpc_stats.h )
-  s.files += %w( src/core/surface/api_trace.h )
-  s.files += %w( src/core/surface/call.h )
-  s.files += %w( src/core/surface/call_test_only.h )
-  s.files += %w( src/core/surface/channel.h )
-  s.files += %w( src/core/surface/completion_queue.h )
-  s.files += %w( src/core/surface/event_string.h )
-  s.files += %w( src/core/surface/init.h )
-  s.files += %w( src/core/surface/server.h )
-  s.files += %w( src/core/surface/surface_trace.h )
-  s.files += %w( src/core/transport/byte_stream.h )
-  s.files += %w( src/core/transport/chttp2/alpn.h )
-  s.files += %w( src/core/transport/chttp2/bin_encoder.h )
-  s.files += %w( src/core/transport/chttp2/frame.h )
-  s.files += %w( src/core/transport/chttp2/frame_data.h )
-  s.files += %w( src/core/transport/chttp2/frame_goaway.h )
-  s.files += %w( src/core/transport/chttp2/frame_ping.h )
-  s.files += %w( src/core/transport/chttp2/frame_rst_stream.h )
-  s.files += %w( src/core/transport/chttp2/frame_settings.h )
-  s.files += %w( src/core/transport/chttp2/frame_window_update.h )
-  s.files += %w( src/core/transport/chttp2/hpack_encoder.h )
-  s.files += %w( src/core/transport/chttp2/hpack_parser.h )
-  s.files += %w( src/core/transport/chttp2/hpack_table.h )
-  s.files += %w( src/core/transport/chttp2/http2_errors.h )
-  s.files += %w( src/core/transport/chttp2/huffsyms.h )
-  s.files += %w( src/core/transport/chttp2/incoming_metadata.h )
-  s.files += %w( src/core/transport/chttp2/internal.h )
-  s.files += %w( src/core/transport/chttp2/status_conversion.h )
-  s.files += %w( src/core/transport/chttp2/stream_map.h )
-  s.files += %w( src/core/transport/chttp2/timeout_encoding.h )
-  s.files += %w( src/core/transport/chttp2/varint.h )
-  s.files += %w( src/core/transport/chttp2_transport.h )
-  s.files += %w( src/core/transport/connectivity_state.h )
-  s.files += %w( src/core/transport/metadata.h )
-  s.files += %w( src/core/transport/metadata_batch.h )
-  s.files += %w( src/core/transport/static_metadata.h )
-  s.files += %w( src/core/transport/transport.h )
-  s.files += %w( src/core/transport/transport_impl.h )
-  s.files += %w( src/core/security/auth_filters.h )
-  s.files += %w( src/core/security/b64.h )
-  s.files += %w( src/core/security/credentials.h )
-  s.files += %w( src/core/security/handshake.h )
-  s.files += %w( src/core/security/json_token.h )
-  s.files += %w( src/core/security/jwt_verifier.h )
-  s.files += %w( src/core/security/secure_endpoint.h )
-  s.files += %w( src/core/security/security_connector.h )
-  s.files += %w( src/core/security/security_context.h )
-  s.files += %w( src/core/tsi/fake_transport_security.h )
-  s.files += %w( src/core/tsi/ssl_transport_security.h )
-  s.files += %w( src/core/tsi/ssl_types.h )
-  s.files += %w( src/core/tsi/transport_security.h )
-  s.files += %w( src/core/tsi/transport_security_interface.h )
-  s.files += %w( src/core/census/aggregation.h )
-  s.files += %w( src/core/census/mlog.h )
-  s.files += %w( src/core/census/rpc_metric_id.h )
+  s.files += %w( src/core/lib/channel/channel_args.h )
+  s.files += %w( src/core/lib/channel/channel_stack.h )
+  s.files += %w( src/core/lib/channel/channel_stack_builder.h )
+  s.files += %w( src/core/lib/channel/compress_filter.h )
+  s.files += %w( src/core/lib/channel/connected_channel.h )
+  s.files += %w( src/core/lib/channel/context.h )
+  s.files += %w( src/core/lib/channel/http_client_filter.h )
+  s.files += %w( src/core/lib/channel/http_server_filter.h )
+  s.files += %w( src/core/lib/compression/algorithm_metadata.h )
+  s.files += %w( src/core/lib/compression/message_compress.h )
+  s.files += %w( src/core/lib/debug/trace.h )
+  s.files += %w( src/core/lib/http/format_request.h )
+  s.files += %w( src/core/lib/http/httpcli.h )
+  s.files += %w( src/core/lib/http/parser.h )
+  s.files += %w( src/core/lib/iomgr/closure.h )
+  s.files += %w( src/core/lib/iomgr/endpoint.h )
+  s.files += %w( src/core/lib/iomgr/endpoint_pair.h )
+  s.files += %w( src/core/lib/iomgr/ev_poll_and_epoll_posix.h )
+  s.files += %w( src/core/lib/iomgr/ev_posix.h )
+  s.files += %w( src/core/lib/iomgr/exec_ctx.h )
+  s.files += %w( src/core/lib/iomgr/executor.h )
+  s.files += %w( src/core/lib/iomgr/iocp_windows.h )
+  s.files += %w( src/core/lib/iomgr/iomgr.h )
+  s.files += %w( src/core/lib/iomgr/iomgr_internal.h )
+  s.files += %w( src/core/lib/iomgr/iomgr_posix.h )
+  s.files += %w( src/core/lib/iomgr/pollset.h )
+  s.files += %w( src/core/lib/iomgr/pollset_set.h )
+  s.files += %w( src/core/lib/iomgr/pollset_set_windows.h )
+  s.files += %w( src/core/lib/iomgr/pollset_windows.h )
+  s.files += %w( src/core/lib/iomgr/resolve_address.h )
+  s.files += %w( src/core/lib/iomgr/sockaddr.h )
+  s.files += %w( src/core/lib/iomgr/sockaddr_posix.h )
+  s.files += %w( src/core/lib/iomgr/sockaddr_utils.h )
+  s.files += %w( src/core/lib/iomgr/sockaddr_win32.h )
+  s.files += %w( src/core/lib/iomgr/socket_utils_posix.h )
+  s.files += %w( src/core/lib/iomgr/socket_windows.h )
+  s.files += %w( src/core/lib/iomgr/tcp_client.h )
+  s.files += %w( src/core/lib/iomgr/tcp_posix.h )
+  s.files += %w( src/core/lib/iomgr/tcp_server.h )
+  s.files += %w( src/core/lib/iomgr/tcp_windows.h )
+  s.files += %w( src/core/lib/iomgr/time_averaged_stats.h )
+  s.files += %w( src/core/lib/iomgr/timer.h )
+  s.files += %w( src/core/lib/iomgr/timer_heap.h )
+  s.files += %w( src/core/lib/iomgr/udp_server.h )
+  s.files += %w( src/core/lib/iomgr/unix_sockets_posix.h )
+  s.files += %w( src/core/lib/iomgr/wakeup_fd_pipe.h )
+  s.files += %w( src/core/lib/iomgr/wakeup_fd_posix.h )
+  s.files += %w( src/core/lib/iomgr/workqueue.h )
+  s.files += %w( src/core/lib/iomgr/workqueue_posix.h )
+  s.files += %w( src/core/lib/iomgr/workqueue_windows.h )
+  s.files += %w( src/core/lib/json/json.h )
+  s.files += %w( src/core/lib/json/json_common.h )
+  s.files += %w( src/core/lib/json/json_reader.h )
+  s.files += %w( src/core/lib/json/json_writer.h )
+  s.files += %w( src/core/lib/surface/api_trace.h )
+  s.files += %w( src/core/lib/surface/call.h )
+  s.files += %w( src/core/lib/surface/call_test_only.h )
+  s.files += %w( src/core/lib/surface/channel.h )
+  s.files += %w( src/core/lib/surface/channel_init.h )
+  s.files += %w( src/core/lib/surface/channel_stack_type.h )
+  s.files += %w( src/core/lib/surface/completion_queue.h )
+  s.files += %w( src/core/lib/surface/event_string.h )
+  s.files += %w( src/core/lib/surface/init.h )
+  s.files += %w( src/core/lib/surface/lame_client.h )
+  s.files += %w( src/core/lib/surface/server.h )
+  s.files += %w( src/core/lib/surface/surface_trace.h )
+  s.files += %w( src/core/lib/transport/byte_stream.h )
+  s.files += %w( src/core/lib/transport/connectivity_state.h )
+  s.files += %w( src/core/lib/transport/metadata.h )
+  s.files += %w( src/core/lib/transport/metadata_batch.h )
+  s.files += %w( src/core/lib/transport/static_metadata.h )
+  s.files += %w( src/core/lib/transport/transport.h )
+  s.files += %w( src/core/lib/transport/transport_impl.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/bin_encoder.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/chttp2_transport.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_data.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_goaway.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_ping.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_rst_stream.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_settings.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_window_update.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_encoder.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_parser.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_table.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/http2_errors.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/huffsyms.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/incoming_metadata.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/internal.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/status_conversion.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/stream_map.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/timeout_encoding.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/varint.h )
+  s.files += %w( src/core/ext/transport/chttp2/alpn/alpn.h )
+  s.files += %w( src/core/lib/security/auth_filters.h )
+  s.files += %w( src/core/lib/security/b64.h )
+  s.files += %w( src/core/lib/security/credentials.h )
+  s.files += %w( src/core/lib/security/handshake.h )
+  s.files += %w( src/core/lib/security/json_token.h )
+  s.files += %w( src/core/lib/security/jwt_verifier.h )
+  s.files += %w( src/core/lib/security/secure_endpoint.h )
+  s.files += %w( src/core/lib/security/security_connector.h )
+  s.files += %w( src/core/lib/security/security_context.h )
+  s.files += %w( src/core/lib/tsi/fake_transport_security.h )
+  s.files += %w( src/core/lib/tsi/ssl_transport_security.h )
+  s.files += %w( src/core/lib/tsi/ssl_types.h )
+  s.files += %w( src/core/lib/tsi/transport_security.h )
+  s.files += %w( src/core/lib/tsi/transport_security_interface.h )
+  s.files += %w( src/core/ext/client_config/client_channel.h )
+  s.files += %w( src/core/ext/client_config/client_channel_factory.h )
+  s.files += %w( src/core/ext/client_config/client_config.h )
+  s.files += %w( src/core/ext/client_config/connector.h )
+  s.files += %w( src/core/ext/client_config/initial_connect_string.h )
+  s.files += %w( src/core/ext/client_config/lb_policy.h )
+  s.files += %w( src/core/ext/client_config/lb_policy_factory.h )
+  s.files += %w( src/core/ext/client_config/lb_policy_registry.h )
+  s.files += %w( src/core/ext/client_config/parse_address.h )
+  s.files += %w( src/core/ext/client_config/resolver.h )
+  s.files += %w( src/core/ext/client_config/resolver_factory.h )
+  s.files += %w( src/core/ext/client_config/resolver_registry.h )
+  s.files += %w( src/core/ext/client_config/subchannel.h )
+  s.files += %w( src/core/ext/client_config/subchannel_call_holder.h )
+  s.files += %w( src/core/ext/client_config/subchannel_index.h )
+  s.files += %w( src/core/ext/client_config/uri_parser.h )
+  s.files += %w( src/core/ext/lb_policy/grpclb/load_balancer_api.h )
+  s.files += %w( src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h )
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   s.files += %w( third_party/nanopb/pb_decode.h )
   s.files += %w( third_party/nanopb/pb_encode.h )
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-  s.files += %w( src/core/channel/client_channel.c )
-  s.files += %w( src/core/channel/client_uchannel.c )
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-  s.files += %w( src/core/channel/subchannel_call_holder.c )
-  s.files += %w( src/core/client_config/client_config.c )
-  s.files += %w( src/core/client_config/connector.c )
-  s.files += %w( src/core/client_config/default_initial_connect_string.c )
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-  s.files += %w( src/core/client_config/lb_policy.c )
-  s.files += %w( src/core/client_config/lb_policy_factory.c )
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-  s.files += %w( src/core/httpcli/format_request.c )
-  s.files += %w( src/core/httpcli/httpcli.c )
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-  s.files += %w( src/core/iomgr/endpoint_pair_windows.c )
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-  s.files += %w( src/core/iomgr/executor.c )
-  s.files += %w( src/core/iomgr/fd_posix.c )
-  s.files += %w( src/core/iomgr/iocp_windows.c )
-  s.files += %w( src/core/iomgr/iomgr.c )
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-  s.files += %w( src/core/iomgr/pollset_set_windows.c )
-  s.files += %w( src/core/iomgr/pollset_windows.c )
-  s.files += %w( src/core/iomgr/resolve_address_posix.c )
-  s.files += %w( src/core/iomgr/resolve_address_windows.c )
-  s.files += %w( src/core/iomgr/sockaddr_utils.c )
-  s.files += %w( src/core/iomgr/socket_utils_common_posix.c )
-  s.files += %w( src/core/iomgr/socket_utils_linux.c )
-  s.files += %w( src/core/iomgr/socket_utils_posix.c )
-  s.files += %w( src/core/iomgr/socket_windows.c )
-  s.files += %w( src/core/iomgr/tcp_client_posix.c )
-  s.files += %w( src/core/iomgr/tcp_client_windows.c )
-  s.files += %w( src/core/iomgr/tcp_posix.c )
-  s.files += %w( src/core/iomgr/tcp_server_posix.c )
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-  s.files += %w( src/core/iomgr/tcp_windows.c )
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-  s.files += %w( src/core/iomgr/timer.c )
-  s.files += %w( src/core/iomgr/timer_heap.c )
-  s.files += %w( src/core/iomgr/udp_server.c )
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-  s.files += %w( src/core/iomgr/wakeup_fd_posix.c )
-  s.files += %w( src/core/iomgr/workqueue_posix.c )
-  s.files += %w( src/core/iomgr/workqueue_windows.c )
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-  s.files += %w( src/core/surface/api_trace.c )
-  s.files += %w( src/core/surface/byte_buffer.c )
-  s.files += %w( src/core/surface/byte_buffer_reader.c )
-  s.files += %w( src/core/surface/call.c )
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-  s.files += %w( src/core/surface/call_log_batch.c )
-  s.files += %w( src/core/surface/channel.c )
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-  s.files += %w( src/core/surface/channel_ping.c )
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-  s.files += %w( src/core/surface/event_string.c )
-  s.files += %w( src/core/surface/init.c )
-  s.files += %w( src/core/surface/lame_client.c )
-  s.files += %w( src/core/surface/metadata_array.c )
-  s.files += %w( src/core/surface/server.c )
-  s.files += %w( src/core/surface/server_chttp2.c )
-  s.files += %w( src/core/surface/server_create.c )
-  s.files += %w( src/core/surface/validate_metadata.c )
-  s.files += %w( src/core/surface/version.c )
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-  s.files += %w( src/core/transport/chttp2/bin_encoder.c )
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-  s.files += %w( src/core/transport/chttp2/incoming_metadata.c )
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-  s.files += %w( src/core/transport/chttp2/stream_lists.c )
-  s.files += %w( src/core/transport/chttp2/stream_map.c )
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-  s.files += %w( src/core/transport/chttp2/varint.c )
-  s.files += %w( src/core/transport/chttp2/writing.c )
-  s.files += %w( src/core/transport/chttp2_transport.c )
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-  s.files += %w( src/core/transport/transport.c )
-  s.files += %w( src/core/transport/transport_op_string.c )
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-  s.files += %w( src/core/security/b64.c )
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-  s.files += %w( src/core/security/credentials.c )
-  s.files += %w( src/core/security/credentials_metadata.c )
-  s.files += %w( src/core/security/credentials_posix.c )
-  s.files += %w( src/core/security/credentials_win32.c )
-  s.files += %w( src/core/security/google_default_credentials.c )
-  s.files += %w( src/core/security/handshake.c )
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-  s.files += %w( src/core/security/jwt_verifier.c )
-  s.files += %w( src/core/security/secure_endpoint.c )
-  s.files += %w( src/core/security/security_connector.c )
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-  s.files += %w( src/core/security/server_auth_filter.c )
-  s.files += %w( src/core/security/server_secure_chttp2.c )
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-  s.files += %w( src/core/surface/secure_channel_create.c )
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-  s.files += %w( src/core/tsi/ssl_transport_security.c )
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+  s.files += %w( src/core/lib/surface/init.c )
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+  s.files += %w( src/core/lib/channel/channel_stack_builder.c )
+  s.files += %w( src/core/lib/channel/compress_filter.c )
+  s.files += %w( src/core/lib/channel/connected_channel.c )
+  s.files += %w( src/core/lib/channel/http_client_filter.c )
+  s.files += %w( src/core/lib/channel/http_server_filter.c )
+  s.files += %w( src/core/lib/compression/compression_algorithm.c )
+  s.files += %w( src/core/lib/compression/message_compress.c )
+  s.files += %w( src/core/lib/debug/trace.c )
+  s.files += %w( src/core/lib/http/format_request.c )
+  s.files += %w( src/core/lib/http/httpcli.c )
+  s.files += %w( src/core/lib/http/parser.c )
+  s.files += %w( src/core/lib/iomgr/closure.c )
+  s.files += %w( src/core/lib/iomgr/endpoint.c )
+  s.files += %w( src/core/lib/iomgr/endpoint_pair_posix.c )
+  s.files += %w( src/core/lib/iomgr/endpoint_pair_windows.c )
+  s.files += %w( src/core/lib/iomgr/ev_poll_and_epoll_posix.c )
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+  s.files += %w( src/core/lib/iomgr/exec_ctx.c )
+  s.files += %w( src/core/lib/iomgr/executor.c )
+  s.files += %w( src/core/lib/iomgr/iocp_windows.c )
+  s.files += %w( src/core/lib/iomgr/iomgr.c )
+  s.files += %w( src/core/lib/iomgr/iomgr_posix.c )
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+  s.files += %w( src/core/lib/iomgr/pollset_set_windows.c )
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+  s.files += %w( src/core/lib/iomgr/resolve_address_posix.c )
+  s.files += %w( src/core/lib/iomgr/resolve_address_windows.c )
+  s.files += %w( src/core/lib/iomgr/sockaddr_utils.c )
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+  s.files += %w( src/core/lib/iomgr/tcp_client_windows.c )
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+  s.files += %w( src/core/lib/iomgr/tcp_server_windows.c )
+  s.files += %w( src/core/lib/iomgr/tcp_windows.c )
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+  s.files += %w( src/core/lib/iomgr/timer.c )
+  s.files += %w( src/core/lib/iomgr/timer_heap.c )
+  s.files += %w( src/core/lib/iomgr/udp_server.c )
+  s.files += %w( src/core/lib/iomgr/unix_sockets_posix.c )
+  s.files += %w( src/core/lib/iomgr/unix_sockets_posix_noop.c )
+  s.files += %w( src/core/lib/iomgr/wakeup_fd_eventfd.c )
+  s.files += %w( src/core/lib/iomgr/wakeup_fd_nospecial.c )
+  s.files += %w( src/core/lib/iomgr/wakeup_fd_pipe.c )
+  s.files += %w( src/core/lib/iomgr/wakeup_fd_posix.c )
+  s.files += %w( src/core/lib/iomgr/workqueue_posix.c )
+  s.files += %w( src/core/lib/iomgr/workqueue_windows.c )
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+  s.files += %w( src/core/lib/json/json_reader.c )
+  s.files += %w( src/core/lib/json/json_string.c )
+  s.files += %w( src/core/lib/json/json_writer.c )
+  s.files += %w( src/core/lib/surface/alarm.c )
+  s.files += %w( src/core/lib/surface/api_trace.c )
+  s.files += %w( src/core/lib/surface/byte_buffer.c )
+  s.files += %w( src/core/lib/surface/byte_buffer_reader.c )
+  s.files += %w( src/core/lib/surface/call.c )
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+  s.files += %w( src/core/lib/surface/call_log_batch.c )
+  s.files += %w( src/core/lib/surface/channel.c )
+  s.files += %w( src/core/lib/surface/channel_init.c )
+  s.files += %w( src/core/lib/surface/channel_ping.c )
+  s.files += %w( src/core/lib/surface/channel_stack_type.c )
+  s.files += %w( src/core/lib/surface/completion_queue.c )
+  s.files += %w( src/core/lib/surface/event_string.c )
+  s.files += %w( src/core/lib/surface/lame_client.c )
+  s.files += %w( src/core/lib/surface/metadata_array.c )
+  s.files += %w( src/core/lib/surface/server.c )
+  s.files += %w( src/core/lib/surface/validate_metadata.c )
+  s.files += %w( src/core/lib/surface/version.c )
+  s.files += %w( src/core/lib/transport/byte_stream.c )
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+  s.files += %w( src/core/lib/transport/metadata.c )
+  s.files += %w( src/core/lib/transport/metadata_batch.c )
+  s.files += %w( src/core/lib/transport/static_metadata.c )
+  s.files += %w( src/core/lib/transport/transport.c )
+  s.files += %w( src/core/lib/transport/transport_op_string.c )
+  s.files += %w( src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/bin_encoder.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/chttp2_plugin.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/chttp2_transport.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_data.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_goaway.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_ping.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_rst_stream.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_settings.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_window_update.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_encoder.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_parser.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_table.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/huffsyms.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/incoming_metadata.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/parsing.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/status_conversion.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/stream_lists.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/stream_map.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/timeout_encoding.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/varint.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/writing.c )
+  s.files += %w( src/core/ext/transport/chttp2/alpn/alpn.c )
+  s.files += %w( src/core/lib/http/httpcli_security_connector.c )
+  s.files += %w( src/core/lib/security/b64.c )
+  s.files += %w( src/core/lib/security/client_auth_filter.c )
+  s.files += %w( src/core/lib/security/credentials.c )
+  s.files += %w( src/core/lib/security/credentials_metadata.c )
+  s.files += %w( src/core/lib/security/credentials_posix.c )
+  s.files += %w( src/core/lib/security/credentials_win32.c )
+  s.files += %w( src/core/lib/security/google_default_credentials.c )
+  s.files += %w( src/core/lib/security/handshake.c )
+  s.files += %w( src/core/lib/security/json_token.c )
+  s.files += %w( src/core/lib/security/jwt_verifier.c )
+  s.files += %w( src/core/lib/security/secure_endpoint.c )
+  s.files += %w( src/core/lib/security/security_connector.c )
+  s.files += %w( src/core/lib/security/security_context.c )
+  s.files += %w( src/core/lib/security/server_auth_filter.c )
+  s.files += %w( src/core/lib/surface/init_secure.c )
+  s.files += %w( src/core/lib/tsi/fake_transport_security.c )
+  s.files += %w( src/core/lib/tsi/ssl_transport_security.c )
+  s.files += %w( src/core/lib/tsi/transport_security.c )
+  s.files += %w( src/core/ext/transport/chttp2/client/secure/secure_channel_create.c )
+  s.files += %w( src/core/ext/client_config/channel_connectivity.c )
+  s.files += %w( src/core/ext/client_config/client_channel.c )
+  s.files += %w( src/core/ext/client_config/client_channel_factory.c )
+  s.files += %w( src/core/ext/client_config/client_config.c )
+  s.files += %w( src/core/ext/client_config/client_config_plugin.c )
+  s.files += %w( src/core/ext/client_config/connector.c )
+  s.files += %w( src/core/ext/client_config/default_initial_connect_string.c )
+  s.files += %w( src/core/ext/client_config/initial_connect_string.c )
+  s.files += %w( src/core/ext/client_config/lb_policy.c )
+  s.files += %w( src/core/ext/client_config/lb_policy_factory.c )
+  s.files += %w( src/core/ext/client_config/lb_policy_registry.c )
+  s.files += %w( src/core/ext/client_config/parse_address.c )
+  s.files += %w( src/core/ext/client_config/resolver.c )
+  s.files += %w( src/core/ext/client_config/resolver_factory.c )
+  s.files += %w( src/core/ext/client_config/resolver_registry.c )
+  s.files += %w( src/core/ext/client_config/subchannel.c )
+  s.files += %w( src/core/ext/client_config/subchannel_call_holder.c )
+  s.files += %w( src/core/ext/client_config/subchannel_index.c )
+  s.files += %w( src/core/ext/client_config/uri_parser.c )
+  s.files += %w( src/core/ext/transport/chttp2/server/insecure/server_chttp2.c )
+  s.files += %w( src/core/ext/transport/chttp2/client/insecure/channel_create.c )
+  s.files += %w( src/core/ext/lb_policy/grpclb/load_balancer_api.c )
+  s.files += %w( src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c )
   s.files += %w( third_party/nanopb/pb_common.c )
   s.files += %w( third_party/nanopb/pb_decode.c )
   s.files += %w( third_party/nanopb/pb_encode.c )
+  s.files += %w( src/core/ext/lb_policy/pick_first/pick_first.c )
+  s.files += %w( src/core/ext/lb_policy/round_robin/round_robin.c )
+  s.files += %w( src/core/ext/resolver/dns/native/dns_resolver.c )
+  s.files += %w( src/core/ext/resolver/sockaddr/sockaddr_resolver.c )
+  s.files += %w( src/core/ext/census/context.c )
+  s.files += %w( src/core/ext/census/grpc_context.c )
+  s.files += %w( src/core/ext/census/grpc_filter.c )
+  s.files += %w( src/core/ext/census/grpc_plugin.c )
+  s.files += %w( src/core/ext/census/initialize.c )
+  s.files += %w( src/core/ext/census/mlog.c )
+  s.files += %w( src/core/ext/census/operation.c )
+  s.files += %w( src/core/ext/census/placeholders.c )
+  s.files += %w( src/core/ext/census/tracing.c )
+  s.files += %w( src/core/plugin_registry/grpc_plugin_registry.c )
   s.files += %w( third_party/boringssl/crypto/aes/internal.h )
   s.files += %w( third_party/boringssl/crypto/asn1/asn1_locl.h )
   s.files += %w( third_party/boringssl/crypto/bio/internal.h )
@@ -462,12 +479,12 @@ Gem::Specification.new do |s|
   s.files += %w( third_party/boringssl/crypto/cipher/internal.h )
   s.files += %w( third_party/boringssl/crypto/conf/conf_def.h )
   s.files += %w( third_party/boringssl/crypto/conf/internal.h )
+  s.files += %w( third_party/boringssl/crypto/curve25519/internal.h )
   s.files += %w( third_party/boringssl/crypto/des/internal.h )
   s.files += %w( third_party/boringssl/crypto/dh/internal.h )
   s.files += %w( third_party/boringssl/crypto/digest/internal.h )
   s.files += %w( third_party/boringssl/crypto/digest/md32_common.h )
   s.files += %w( third_party/boringssl/crypto/directory.h )
-  s.files += %w( third_party/boringssl/crypto/dsa/internal.h )
   s.files += %w( third_party/boringssl/crypto/ec/internal.h )
   s.files += %w( third_party/boringssl/crypto/ec/p256-x86_64-table.h )
   s.files += %w( third_party/boringssl/crypto/evp/internal.h )
@@ -632,6 +649,7 @@ Gem::Specification.new do |s|
   s.files += %w( third_party/boringssl/crypto/bn/shift.c )
   s.files += %w( third_party/boringssl/crypto/bn/sqrt.c )
   s.files += %w( third_party/boringssl/crypto/buf/buf.c )
+  s.files += %w( third_party/boringssl/crypto/bytestring/asn1_compat.c )
   s.files += %w( third_party/boringssl/crypto/bytestring/ber.c )
   s.files += %w( third_party/boringssl/crypto/bytestring/cbb.c )
   s.files += %w( third_party/boringssl/crypto/bytestring/cbs.c )
@@ -655,6 +673,7 @@ Gem::Specification.new do |s|
   s.files += %w( third_party/boringssl/crypto/cpu-intel.c )
   s.files += %w( third_party/boringssl/crypto/crypto.c )
   s.files += %w( third_party/boringssl/crypto/curve25519/curve25519.c )
+  s.files += %w( third_party/boringssl/crypto/curve25519/x25519-x86_64.c )
   s.files += %w( third_party/boringssl/crypto/des/des.c )
   s.files += %w( third_party/boringssl/crypto/dh/check.c )
   s.files += %w( third_party/boringssl/crypto/dh/dh.c )
@@ -846,6 +865,7 @@ Gem::Specification.new do |s|
   s.files += %w( third_party/boringssl/ssl/ssl_buffer.c )
   s.files += %w( third_party/boringssl/ssl/ssl_cert.c )
   s.files += %w( third_party/boringssl/ssl/ssl_cipher.c )
+  s.files += %w( third_party/boringssl/ssl/ssl_ecdh.c )
   s.files += %w( third_party/boringssl/ssl/ssl_file.c )
   s.files += %w( third_party/boringssl/ssl/ssl_lib.c )
   s.files += %w( third_party/boringssl/ssl/ssl_rsa.c )
diff --git a/include/grpc++/alarm.h b/include/grpc++/alarm.h
index 764837a958908845a8ce882d8bf1ca84e891d7e2..1470fe8d97bac58ec35a039d4568c2b655c3494b 100644
--- a/include/grpc++/alarm.h
+++ b/include/grpc++/alarm.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/channel.h b/include/grpc++/channel.h
index 679d473204d62a24d82d96843932dbfa616f6805..c535d57bffba5f3943be5b1badb18ad18ace3ea9 100644
--- a/include/grpc++/channel.h
+++ b/include/grpc++/channel.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/client_context.h b/include/grpc++/client_context.h
index 3fbe6d1be80a6163dd47823e563f05c8cc2bdf6c..38bee830e25ac88be4961c9e454f4fedf18e5655 100644
--- a/include/grpc++/client_context.h
+++ b/include/grpc++/client_context.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/completion_queue.h b/include/grpc++/completion_queue.h
index f53f5ee56c0e16f4e70465215652c21dce180b95..2a5a18bee08d5294590ab0c2aaf0d566bb252762 100644
--- a/include/grpc++/completion_queue.h
+++ b/include/grpc++/completion_queue.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/create_channel.h b/include/grpc++/create_channel.h
index 80eed067b7dd55e5cf4dd58db6531444318dd585..e9ccb5150396929bf7fa427fada3dab1f03c2e53 100644
--- a/include/grpc++/create_channel.h
+++ b/include/grpc++/create_channel.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/generic/async_generic_service.h b/include/grpc++/generic/async_generic_service.h
index 9ae8391dc4cff02ecf692ec84da9407e7bf181a6..24bae5214522e20edfd6006204661434af388274 100644
--- a/include/grpc++/generic/async_generic_service.h
+++ b/include/grpc++/generic/async_generic_service.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,8 +34,8 @@
 #ifndef GRPCXX_GENERIC_ASYNC_GENERIC_SERVICE_H
 #define GRPCXX_GENERIC_ASYNC_GENERIC_SERVICE_H
 
-#include <grpc++/support/byte_buffer.h>
 #include <grpc++/support/async_stream.h>
+#include <grpc++/support/byte_buffer.h>
 
 struct grpc_server;
 
diff --git a/include/grpc++/generic/generic_stub.h b/include/grpc++/generic/generic_stub.h
index 5ac0371efb72d9db6e499b26748182af5d08a98b..d27deae33a54be60d3a3b549564918deeed09eb0 100644
--- a/include/grpc++/generic/generic_stub.h
+++ b/include/grpc++/generic/generic_stub.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/call.h b/include/grpc++/impl/call.h
index 64b6563574d56196ea40d6e457a042effac928aa..882710babbe88b87cace99321f97c5b89c6d5d53 100644
--- a/include/grpc++/impl/call.h
+++ b/include/grpc++/impl/call.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/client_unary_call.h b/include/grpc++/impl/client_unary_call.h
index abe321eaccd718f3f02b16296f9881838cddd5e0..ea42674e55b5eff91a27e28b3bc15cf53c441705 100644
--- a/include/grpc++/impl/client_unary_call.h
+++ b/include/grpc++/impl/client_unary_call.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/async_stream.h b/include/grpc++/impl/codegen/async_stream.h
index 8f9afe82510c18ba697c99197ffb8d452cd2cae2..a607a4710605f1028e4e7a17cdf67b49411979bc 100644
--- a/include/grpc++/impl/codegen/async_stream.h
+++ b/include/grpc++/impl/codegen/async_stream.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -108,7 +108,8 @@ class ClientAsyncReader GRPC_FINAL : public ClientAsyncReaderInterface<R> {
                     const W& request, void* tag)
       : context_(context), call_(channel->CreateCall(method, context, cq)) {
     init_ops_.set_output_tag(tag);
-    init_ops_.SendInitialMetadata(context->send_initial_metadata_);
+    init_ops_.SendInitialMetadata(context->send_initial_metadata_,
+                                  context->initial_metadata_flags());
     // TODO(ctiller): don't assert
     GPR_CODEGEN_ASSERT(init_ops_.SendMessage(request).ok());
     init_ops_.ClientSendClose();
@@ -173,7 +174,8 @@ class ClientAsyncWriter GRPC_FINAL : public ClientAsyncWriterInterface<W> {
     finish_ops_.RecvMessage(response);
 
     init_ops_.set_output_tag(tag);
-    init_ops_.SendInitialMetadata(context->send_initial_metadata_);
+    init_ops_.SendInitialMetadata(context->send_initial_metadata_,
+                                  context->initial_metadata_flags());
     call_.PerformOps(&init_ops_);
   }
 
@@ -215,7 +217,8 @@ class ClientAsyncWriter GRPC_FINAL : public ClientAsyncWriterInterface<W> {
   CallOpSet<CallOpSendMessage> write_ops_;
   CallOpSet<CallOpClientSendClose> writes_done_ops_;
   CallOpSet<CallOpRecvInitialMetadata, CallOpGenericRecvMessage,
-            CallOpClientRecvStatus> finish_ops_;
+            CallOpClientRecvStatus>
+      finish_ops_;
 };
 
 /// Client-side interface for asynchronous bi-directional streaming.
@@ -239,7 +242,8 @@ class ClientAsyncReaderWriter GRPC_FINAL
                           void* tag)
       : context_(context), call_(channel->CreateCall(method, context, cq)) {
     init_ops_.set_output_tag(tag);
-    init_ops_.SendInitialMetadata(context->send_initial_metadata_);
+    init_ops_.SendInitialMetadata(context->send_initial_metadata_,
+                                  context->initial_metadata_flags());
     call_.PerformOps(&init_ops_);
   }
 
@@ -304,7 +308,8 @@ class ServerAsyncReader GRPC_FINAL : public ServerAsyncStreamingInterface,
     GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     meta_ops_.set_output_tag(tag);
-    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                  ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_.PerformOps(&meta_ops_);
   }
@@ -318,7 +323,8 @@ class ServerAsyncReader GRPC_FINAL : public ServerAsyncStreamingInterface,
   void Finish(const W& msg, const Status& status, void* tag) {
     finish_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     // The response is dropped if the status is not OK.
@@ -335,7 +341,8 @@ class ServerAsyncReader GRPC_FINAL : public ServerAsyncStreamingInterface,
     GPR_CODEGEN_ASSERT(!status.ok());
     finish_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     finish_ops_.ServerSendStatus(ctx_->trailing_metadata_, status);
@@ -350,7 +357,8 @@ class ServerAsyncReader GRPC_FINAL : public ServerAsyncStreamingInterface,
   CallOpSet<CallOpSendInitialMetadata> meta_ops_;
   CallOpSet<CallOpRecvMessage<R>> read_ops_;
   CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
-            CallOpServerSendStatus> finish_ops_;
+            CallOpServerSendStatus>
+      finish_ops_;
 };
 
 template <class W>
@@ -364,7 +372,8 @@ class ServerAsyncWriter GRPC_FINAL : public ServerAsyncStreamingInterface,
     GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     meta_ops_.set_output_tag(tag);
-    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                  ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_.PerformOps(&meta_ops_);
   }
@@ -372,7 +381,8 @@ class ServerAsyncWriter GRPC_FINAL : public ServerAsyncStreamingInterface,
   void Write(const W& msg, void* tag) GRPC_OVERRIDE {
     write_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      write_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      write_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                     ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     // TODO(ctiller): don't assert
@@ -383,7 +393,8 @@ class ServerAsyncWriter GRPC_FINAL : public ServerAsyncStreamingInterface,
   void Finish(const Status& status, void* tag) {
     finish_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     finish_ops_.ServerSendStatus(ctx_->trailing_metadata_, status);
@@ -413,7 +424,8 @@ class ServerAsyncReaderWriter GRPC_FINAL : public ServerAsyncStreamingInterface,
     GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     meta_ops_.set_output_tag(tag);
-    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                  ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_.PerformOps(&meta_ops_);
   }
@@ -427,7 +439,8 @@ class ServerAsyncReaderWriter GRPC_FINAL : public ServerAsyncStreamingInterface,
   void Write(const W& msg, void* tag) GRPC_OVERRIDE {
     write_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      write_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      write_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                     ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     // TODO(ctiller): don't assert
@@ -438,7 +451,8 @@ class ServerAsyncReaderWriter GRPC_FINAL : public ServerAsyncStreamingInterface,
   void Finish(const Status& status, void* tag) {
     finish_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     finish_ops_.ServerSendStatus(ctx_->trailing_metadata_, status);
diff --git a/include/grpc++/impl/codegen/async_unary_call.h b/include/grpc++/impl/codegen/async_unary_call.h
index 9c6dbd54845a632b10dbd0bc1b3c6d2894704065..55c9788fbd4c754e3ff96c2cb95293f91e3f0b15 100644
--- a/include/grpc++/impl/codegen/async_unary_call.h
+++ b/include/grpc++/impl/codegen/async_unary_call.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -67,7 +67,8 @@ class ClientAsyncResponseReader GRPC_FINAL
         call_(channel->CreateCall(method, context, cq)),
         collection_(new CallOpSetCollection) {
     collection_->init_buf_.SetCollection(collection_);
-    collection_->init_buf_.SendInitialMetadata(context->send_initial_metadata_);
+    collection_->init_buf_.SendInitialMetadata(
+        context->send_initial_metadata_, context->initial_metadata_flags());
     // TODO(ctiller): don't assert
     GPR_CODEGEN_ASSERT(collection_->init_buf_.SendMessage(request).ok());
     collection_->init_buf_.ClientSendClose();
@@ -101,10 +102,12 @@ class ClientAsyncResponseReader GRPC_FINAL
   class CallOpSetCollection : public CallOpSetCollectionInterface {
    public:
     SneakyCallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
-                    CallOpClientSendClose> init_buf_;
+                    CallOpClientSendClose>
+        init_buf_;
     CallOpSet<CallOpRecvInitialMetadata> meta_buf_;
     CallOpSet<CallOpRecvInitialMetadata, CallOpRecvMessage<R>,
-              CallOpClientRecvStatus> finish_buf_;
+              CallOpClientRecvStatus>
+        finish_buf_;
   };
   std::shared_ptr<CallOpSetCollection> collection_;
 };
@@ -120,7 +123,8 @@ class ServerAsyncResponseWriter GRPC_FINAL
     GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     meta_buf_.set_output_tag(tag);
-    meta_buf_.SendInitialMetadata(ctx_->initial_metadata_);
+    meta_buf_.SendInitialMetadata(ctx_->initial_metadata_,
+                                  ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_.PerformOps(&meta_buf_);
   }
@@ -128,7 +132,8 @@ class ServerAsyncResponseWriter GRPC_FINAL
   void Finish(const W& msg, const Status& status, void* tag) {
     finish_buf_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_buf_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_buf_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     // The response is dropped if the status is not OK.
@@ -145,7 +150,8 @@ class ServerAsyncResponseWriter GRPC_FINAL
     GPR_CODEGEN_ASSERT(!status.ok());
     finish_buf_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_buf_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_buf_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     finish_buf_.ServerSendStatus(ctx_->trailing_metadata_, status);
@@ -159,7 +165,8 @@ class ServerAsyncResponseWriter GRPC_FINAL
   ServerContext* ctx_;
   CallOpSet<CallOpSendInitialMetadata> meta_buf_;
   CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
-            CallOpServerSendStatus> finish_buf_;
+            CallOpServerSendStatus>
+      finish_buf_;
 };
 
 }  // namespace grpc
diff --git a/include/grpc++/impl/codegen/call.h b/include/grpc++/impl/codegen/call.h
index 03affc2125535d682ba2cffb4fa1f98b33893056..aea1a6acec7b5e0cafc6357aa165b4a7cd6ce58e 100644
--- a/include/grpc++/impl/codegen/call.h
+++ b/include/grpc++/impl/codegen/call.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -181,8 +181,10 @@ class CallOpSendInitialMetadata {
   CallOpSendInitialMetadata() : send_(false) {}
 
   void SendInitialMetadata(
-      const std::multimap<grpc::string, grpc::string>& metadata) {
+      const std::multimap<grpc::string, grpc::string>& metadata,
+      uint32_t flags) {
     send_ = true;
+    flags_ = flags;
     initial_metadata_count_ = metadata.size();
     initial_metadata_ = FillMetadataArray(metadata);
   }
@@ -192,7 +194,7 @@ class CallOpSendInitialMetadata {
     if (!send_) return;
     grpc_op* op = &ops[(*nops)++];
     op->op = GRPC_OP_SEND_INITIAL_METADATA;
-    op->flags = 0;
+    op->flags = flags_;
     op->reserved = NULL;
     op->data.send_initial_metadata.count = initial_metadata_count_;
     op->data.send_initial_metadata.metadata = initial_metadata_;
@@ -204,6 +206,7 @@ class CallOpSendInitialMetadata {
   }
 
   bool send_;
+  uint32_t flags_;
   size_t initial_metadata_count_;
   grpc_metadata* initial_metadata_;
 };
@@ -280,7 +283,8 @@ class CallOpRecvMessage {
       if (*status) {
         got_message = true;
         *status = SerializationTraits<R>::Deserialize(recv_buf_, message_,
-                                                      max_message_size).ok();
+                                                      max_message_size)
+                      .ok();
       } else {
         got_message = false;
         g_core_codegen_interface->grpc_byte_buffer_destroy(recv_buf_);
diff --git a/include/grpc++/impl/codegen/call_hook.h b/include/grpc++/impl/codegen/call_hook.h
index 0b6027293a37a30572c54f9b5866ec62cbe6c362..6a8258233db54b94a42c2ba67bd0d077c12f3b7b 100644
--- a/include/grpc++/impl/codegen/call_hook.h
+++ b/include/grpc++/impl/codegen/call_hook.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/client_context.h b/include/grpc++/impl/codegen/client_context.h
index 271d464583fa6f86d5d55512692313bf23349a40..e23fd4eda3486d7198e8a4ad3a0d06abe67a28d1 100644
--- a/include/grpc++/impl/codegen/client_context.h
+++ b/include/grpc++/impl/codegen/client_context.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -55,6 +55,7 @@
 
 #include <grpc++/impl/codegen/config.h>
 #include <grpc++/impl/codegen/core_codegen_interface.h>
+#include <grpc++/impl/codegen/create_auth_context.h>
 #include <grpc++/impl/codegen/security/auth_context.h>
 #include <grpc++/impl/codegen/status.h>
 #include <grpc++/impl/codegen/string_ref.h>
@@ -221,6 +222,12 @@ class ClientContext {
     deadline_ = deadline_tp.raw_time();
   }
 
+  /// EXPERIMENTAL: Set this request to be idempotent
+  void set_idempotent(bool idempotent) { idempotent_ = idempotent; }
+
+  /// EXPERIMENTAL: Trigger fail-fast or not on this request
+  void set_fail_fast(bool fail_fast) { fail_fast_ = fail_fast; }
+
 #ifndef GRPC_CXX0X_NO_CHRONO
   /// Return the deadline for the client call.
   std::chrono::system_clock::time_point deadline() {
@@ -238,7 +245,12 @@ class ClientContext {
   /// Return the authentication context for this client call.
   ///
   /// \see grpc::AuthContext.
-  std::shared_ptr<const AuthContext> auth_context() const;
+  std::shared_ptr<const AuthContext> auth_context() const {
+    if (auth_context_.get() == nullptr) {
+      auth_context_ = CreateAuthContext(call_);
+    }
+    return auth_context_;
+  }
 
   /// Set credentials for the client call.
   ///
@@ -328,9 +340,16 @@ class ClientContext {
   grpc_call* call() { return call_; }
   void set_call(grpc_call* call, const std::shared_ptr<Channel>& channel);
 
+  uint32_t initial_metadata_flags() const {
+    return (idempotent_ ? GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST : 0) |
+           (fail_fast_ ? 0 : GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY);
+  }
+
   grpc::string authority() { return authority_; }
 
   bool initial_metadata_received_;
+  bool fail_fast_;
+  bool idempotent_;
   std::shared_ptr<Channel> channel_;
   grpc::mutex mu_;
   grpc_call* call_;
diff --git a/include/grpc++/impl/codegen/client_unary_call.h b/include/grpc++/impl/codegen/client_unary_call.h
index a2b7d928c31399f50ade23f8742745ceff06b0d4..70d65549c80e9c2184aaf107f4a8bde55a97a9c1 100644
--- a/include/grpc++/impl/codegen/client_unary_call.h
+++ b/include/grpc++/impl/codegen/client_unary_call.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -56,12 +56,14 @@ Status BlockingUnaryCall(ChannelInterface* channel, const RpcMethod& method,
   Call call(channel->CreateCall(method, context, &cq));
   CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
             CallOpRecvInitialMetadata, CallOpRecvMessage<OutputMessage>,
-            CallOpClientSendClose, CallOpClientRecvStatus> ops;
+            CallOpClientSendClose, CallOpClientRecvStatus>
+      ops;
   Status status = ops.SendMessage(request);
   if (!status.ok()) {
     return status;
   }
-  ops.SendInitialMetadata(context->send_initial_metadata_);
+  ops.SendInitialMetadata(context->send_initial_metadata_,
+                          context->initial_metadata_flags());
   ops.RecvInitialMetadata(context);
   ops.RecvMessage(result);
   ops.ClientSendClose();
diff --git a/include/grpc++/impl/codegen/completion_queue.h b/include/grpc++/impl/codegen/completion_queue.h
index 42ec287e65e449cf44297afa277911d97de67a25..56864d6d53633d2761b128daee13c19d9891f3aa 100644
--- a/include/grpc++/impl/codegen/completion_queue.h
+++ b/include/grpc++/impl/codegen/completion_queue.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/completion_queue_tag.h b/include/grpc++/impl/codegen/completion_queue_tag.h
index 8be2ac36d6e85e83211e7d827e7fdbb5446c35d2..19a08500cf8ee6e6925f379c0db94e5ebb94f2d6 100644
--- a/include/grpc++/impl/codegen/completion_queue_tag.h
+++ b/include/grpc++/impl/codegen/completion_queue_tag.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPCXX_COMPLETION_QUEUE_TAG_H
-#define GRPCXX_COMPLETION_QUEUE_TAG_H
+#ifndef GRPCXX_IMPL_CODEGEN_COMPLETION_QUEUE_TAG_H
+#define GRPCXX_IMPL_CODEGEN_COMPLETION_QUEUE_TAG_H
 
 namespace grpc {
 
@@ -49,4 +49,4 @@ class CompletionQueueTag {
 
 }  // namespace grpc
 
-#endif  // GRPCXX_COMPLETION_QUEUE_TAG_H
+#endif  // GRPCXX_IMPL_CODEGEN_COMPLETION_QUEUE_TAG_H
diff --git a/include/grpc++/impl/codegen/config_protobuf.h b/include/grpc++/impl/codegen/config_protobuf.h
index 3b9f05cdff5b48241cd678fb461bd4617a5c34b9..f1b6beaca73b0fc8dbbb985111d62c572e23a9b4 100644
--- a/include/grpc++/impl/codegen/config_protobuf.h
+++ b/include/grpc++/impl/codegen/config_protobuf.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/core_codegen_interface.h b/include/grpc++/impl/codegen/core_codegen_interface.h
index a23031fe651da26aecdd31fdae92ab3c194da762..16424bab3584c18207c75a355743c3c53d42ea4f 100644
--- a/include/grpc++/impl/codegen/core_codegen_interface.h
+++ b/include/grpc++/impl/codegen/core_codegen_interface.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/cpp/common/create_auth_context.h b/include/grpc++/impl/codegen/create_auth_context.h
similarity index 87%
rename from src/cpp/common/create_auth_context.h
rename to include/grpc++/impl/codegen/create_auth_context.h
index 4f3da397badcb858442ea568673ff1bccc6d0752..a386a368cd068f2241d6a2e21dfecd37f9af3839 100644
--- a/src/cpp/common/create_auth_context.h
+++ b/include/grpc++/impl/codegen/create_auth_context.h
@@ -30,13 +30,19 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
+
+#ifndef GRPCXX_IMPL_CODEGEN_CREATE_AUTH_CONTEXT_H
+#define GRPCXX_IMPL_CODEGEN_CREATE_AUTH_CONTEXT_H
+
 #include <memory>
 
-#include <grpc/grpc.h>
-#include <grpc++/security/auth_context.h>
+#include <grpc++/impl/codegen/security/auth_context.h>
+#include <grpc/impl/codegen/grpc_types.h>
 
 namespace grpc {
 
 std::shared_ptr<const AuthContext> CreateAuthContext(grpc_call* call);
 
 }  // namespace grpc
+
+#endif  // GRPCXX_IMPL_CODEGEN_CREATE_AUTH_CONTEXT_H
diff --git a/include/grpc++/impl/codegen/impl/async_stream.h b/include/grpc++/impl/codegen/impl/async_stream.h
index 8f9afe82510c18ba697c99197ffb8d452cd2cae2..8f99e7eea43f695ea4deca22be5ecd9c19e71a27 100644
--- a/include/grpc++/impl/codegen/impl/async_stream.h
+++ b/include/grpc++/impl/codegen/impl/async_stream.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPCXX_IMPL_CODEGEN_ASYNC_STREAM_H
-#define GRPCXX_IMPL_CODEGEN_ASYNC_STREAM_H
+#ifndef GRPCXX_IMPL_CODEGEN_IMPL_ASYNC_STREAM_H
+#define GRPCXX_IMPL_CODEGEN_IMPL_ASYNC_STREAM_H
 
 #include <grpc++/impl/codegen/call.h>
 #include <grpc++/impl/codegen/channel_interface.h>
@@ -215,7 +215,8 @@ class ClientAsyncWriter GRPC_FINAL : public ClientAsyncWriterInterface<W> {
   CallOpSet<CallOpSendMessage> write_ops_;
   CallOpSet<CallOpClientSendClose> writes_done_ops_;
   CallOpSet<CallOpRecvInitialMetadata, CallOpGenericRecvMessage,
-            CallOpClientRecvStatus> finish_ops_;
+            CallOpClientRecvStatus>
+      finish_ops_;
 };
 
 /// Client-side interface for asynchronous bi-directional streaming.
@@ -350,7 +351,8 @@ class ServerAsyncReader GRPC_FINAL : public ServerAsyncStreamingInterface,
   CallOpSet<CallOpSendInitialMetadata> meta_ops_;
   CallOpSet<CallOpRecvMessage<R>> read_ops_;
   CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
-            CallOpServerSendStatus> finish_ops_;
+            CallOpServerSendStatus>
+      finish_ops_;
 };
 
 template <class W>
@@ -460,4 +462,4 @@ class ServerAsyncReaderWriter GRPC_FINAL : public ServerAsyncStreamingInterface,
 
 }  // namespace grpc
 
-#endif  // GRPCXX_IMPL_CODEGEN_ASYNC_STREAM_H
+#endif  // GRPCXX_IMPL_CODEGEN_IMPL_ASYNC_STREAM_H
diff --git a/include/grpc++/impl/codegen/impl/status_code_enum.h b/include/grpc++/impl/codegen/impl/status_code_enum.h
index 9a90a18e2a53305eab91737d757a605b89f0ad2f..f8caec0c119371ea9f569094331dced2772693e2 100644
--- a/include/grpc++/impl/codegen/impl/status_code_enum.h
+++ b/include/grpc++/impl/codegen/impl/status_code_enum.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPCXX_IMPL_CODEGEN_STATUS_CODE_ENUM_H
-#define GRPCXX_IMPL_CODEGEN_STATUS_CODE_ENUM_H
+#ifndef GRPCXX_IMPL_CODEGEN_IMPL_STATUS_CODE_ENUM_H
+#define GRPCXX_IMPL_CODEGEN_IMPL_STATUS_CODE_ENUM_H
 
 namespace grpc {
 
@@ -149,4 +149,4 @@ enum StatusCode {
 
 }  // namespace grpc
 
-#endif  // GRPCXX_IMPL_CODEGEN_STATUS_CODE_ENUM_H
+#endif  // GRPCXX_IMPL_CODEGEN_IMPL_STATUS_CODE_ENUM_H
diff --git a/include/grpc++/impl/codegen/impl/sync.h b/include/grpc++/impl/codegen/impl/sync.h
index 375af1543b882787a2ad630e0a893c4286f83e89..88951de6d0d42845a62e42d0f853c7b165251ca8 100644
--- a/include/grpc++/impl/codegen/impl/sync.h
+++ b/include/grpc++/impl/codegen/impl/sync.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPCXX_IMPL_CODEGEN_SYNC_H
-#define GRPCXX_IMPL_CODEGEN_SYNC_H
+#ifndef GRPCXX_IMPL_CODEGEN_IMPL_SYNC_H
+#define GRPCXX_IMPL_CODEGEN_IMPL_SYNC_H
 
 #include <grpc++/impl/codegen/config.h>
 
@@ -42,4 +42,4 @@
 #include <grpc++/impl/codegen/sync_cxx11.h>
 #endif
 
-#endif  // GRPCXX_IMPL_CODEGEN_SYNC_H
+#endif  // GRPCXX_IMPL_CODEGEN_IMPL_SYNC_H
diff --git a/include/grpc++/impl/codegen/method_handler_impl.h b/include/grpc++/impl/codegen/method_handler_impl.h
index 3ecca0a4062e5683ee96b8d339d4709c0503e7a3..ad74efabc4ba1f595ec2d9c2ca44ab10188afcbe 100644
--- a/include/grpc++/impl/codegen/method_handler_impl.h
+++ b/include/grpc++/impl/codegen/method_handler_impl.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -61,8 +61,10 @@ class RpcMethodHandler : public MethodHandler {
 
     GPR_CODEGEN_ASSERT(!param.server_context->sent_initial_metadata_);
     CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
-              CallOpServerSendStatus> ops;
-    ops.SendInitialMetadata(param.server_context->initial_metadata_);
+              CallOpServerSendStatus>
+        ops;
+    ops.SendInitialMetadata(param.server_context->initial_metadata_,
+                            param.server_context->initial_metadata_flags());
     if (status.ok()) {
       status = ops.SendMessage(rsp);
     }
@@ -74,7 +76,8 @@ class RpcMethodHandler : public MethodHandler {
  private:
   // Application provided rpc handler function.
   std::function<Status(ServiceType*, ServerContext*, const RequestType*,
-                       ResponseType*)> func_;
+                       ResponseType*)>
+      func_;
   // The class the above handler function lives in.
   ServiceType* service_;
 };
@@ -96,8 +99,10 @@ class ClientStreamingHandler : public MethodHandler {
 
     GPR_CODEGEN_ASSERT(!param.server_context->sent_initial_metadata_);
     CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
-              CallOpServerSendStatus> ops;
-    ops.SendInitialMetadata(param.server_context->initial_metadata_);
+              CallOpServerSendStatus>
+        ops;
+    ops.SendInitialMetadata(param.server_context->initial_metadata_,
+                            param.server_context->initial_metadata_flags());
     if (status.ok()) {
       status = ops.SendMessage(rsp);
     }
@@ -108,7 +113,8 @@ class ClientStreamingHandler : public MethodHandler {
 
  private:
   std::function<Status(ServiceType*, ServerContext*, ServerReader<RequestType>*,
-                       ResponseType*)> func_;
+                       ResponseType*)>
+      func_;
   ServiceType* service_;
 };
 
@@ -134,7 +140,8 @@ class ServerStreamingHandler : public MethodHandler {
 
     CallOpSet<CallOpSendInitialMetadata, CallOpServerSendStatus> ops;
     if (!param.server_context->sent_initial_metadata_) {
-      ops.SendInitialMetadata(param.server_context->initial_metadata_);
+      ops.SendInitialMetadata(param.server_context->initial_metadata_,
+                              param.server_context->initial_metadata_flags());
     }
     ops.ServerSendStatus(param.server_context->trailing_metadata_, status);
     param.call->PerformOps(&ops);
@@ -143,7 +150,8 @@ class ServerStreamingHandler : public MethodHandler {
 
  private:
   std::function<Status(ServiceType*, ServerContext*, const RequestType*,
-                       ServerWriter<ResponseType>*)> func_;
+                       ServerWriter<ResponseType>*)>
+      func_;
   ServiceType* service_;
 };
 
@@ -165,7 +173,8 @@ class BidiStreamingHandler : public MethodHandler {
 
     CallOpSet<CallOpSendInitialMetadata, CallOpServerSendStatus> ops;
     if (!param.server_context->sent_initial_metadata_) {
-      ops.SendInitialMetadata(param.server_context->initial_metadata_);
+      ops.SendInitialMetadata(param.server_context->initial_metadata_,
+                              param.server_context->initial_metadata_flags());
     }
     ops.ServerSendStatus(param.server_context->trailing_metadata_, status);
     param.call->PerformOps(&ops);
@@ -174,7 +183,8 @@ class BidiStreamingHandler : public MethodHandler {
 
  private:
   std::function<Status(ServiceType*, ServerContext*,
-                       ServerReaderWriter<ResponseType, RequestType>*)> func_;
+                       ServerReaderWriter<ResponseType, RequestType>*)>
+      func_;
   ServiceType* service_;
 };
 
@@ -185,7 +195,8 @@ class UnknownMethodHandler : public MethodHandler {
   static void FillOps(ServerContext* context, T* ops) {
     Status status(StatusCode::UNIMPLEMENTED, "");
     if (!context->sent_initial_metadata_) {
-      ops->SendInitialMetadata(context->initial_metadata_);
+      ops->SendInitialMetadata(context->initial_metadata_,
+                               context->initial_metadata_flags());
       context->sent_initial_metadata_ = true;
     }
     ops->ServerSendStatus(context->trailing_metadata_, status);
diff --git a/include/grpc++/impl/codegen/proto_utils.h b/include/grpc++/impl/codegen/proto_utils.h
index f77f8eebb379d17ea921f4b75c34dc1d1c799a02..2aaa3c3b300d58b5c60c5f799248c690f72730a1 100644
--- a/include/grpc++/impl/codegen/proto_utils.h
+++ b/include/grpc++/impl/codegen/proto_utils.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/rpc_method.h b/include/grpc++/impl/codegen/rpc_method.h
index 85d5c1cfe2a325e01db335fe88664866deac1cfb..39cb4f75dfe1d76bfae50dc64ccdd9ed37eb7e7b 100644
--- a/include/grpc++/impl/codegen/rpc_method.h
+++ b/include/grpc++/impl/codegen/rpc_method.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/rpc_service_method.h b/include/grpc++/impl/codegen/rpc_service_method.h
index 6256301677502525d315163e8952429599f6eb58..8b1f026c912fb5ddaadc0371004f63675f9831d5 100644
--- a/include/grpc++/impl/codegen/rpc_service_method.h
+++ b/include/grpc++/impl/codegen/rpc_service_method.h
@@ -40,10 +40,10 @@
 #include <memory>
 #include <vector>
 
-#include <grpc/impl/codegen/byte_buffer.h>
 #include <grpc++/impl/codegen/config.h>
 #include <grpc++/impl/codegen/rpc_method.h>
 #include <grpc++/impl/codegen/status.h>
+#include <grpc/impl/codegen/byte_buffer.h>
 
 namespace grpc {
 class ServerContext;
diff --git a/include/grpc++/impl/codegen/security/auth_context.h b/include/grpc++/impl/codegen/security/auth_context.h
index 7544430811e9363ebcb637223eebccdda4e8ca50..75f2482346773be4651ae394f66c773702604b6c 100644
--- a/include/grpc++/impl/codegen/security/auth_context.h
+++ b/include/grpc++/impl/codegen/security/auth_context.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/serialization_traits.h b/include/grpc++/impl/codegen/serialization_traits.h
index 83c3b64eb3cce908d53c5854a680393bf146a127..fa99dbfa9c3ffec2589dbfde5f95e78e8059e4a8 100644
--- a/include/grpc++/impl/codegen/serialization_traits.h
+++ b/include/grpc++/impl/codegen/serialization_traits.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/server_context.h b/include/grpc++/impl/codegen/server_context.h
index 91ebe574b147a0b9b7fd0197515eb9cc9db2cf8d..a1e1ed176f6e1ae480a40e033c3b67a216ae4cb4 100644
--- a/include/grpc++/impl/codegen/server_context.h
+++ b/include/grpc++/impl/codegen/server_context.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,12 +37,13 @@
 #include <map>
 #include <memory>
 
-#include <grpc/impl/codegen/compression_types.h>
-#include <grpc/impl/codegen/time.h>
-#include <grpc++/impl/codegen/security/auth_context.h>
 #include <grpc++/impl/codegen/config.h>
+#include <grpc++/impl/codegen/create_auth_context.h>
+#include <grpc++/impl/codegen/security/auth_context.h>
 #include <grpc++/impl/codegen/string_ref.h>
 #include <grpc++/impl/codegen/time.h>
+#include <grpc/impl/codegen/compression_types.h>
+#include <grpc/impl/codegen/time.h>
 
 struct gpr_timespec;
 struct grpc_metadata;
@@ -135,7 +136,12 @@ class ServerContext {
   }
   void set_compression_algorithm(grpc_compression_algorithm algorithm);
 
-  std::shared_ptr<const AuthContext> auth_context() const;
+  std::shared_ptr<const AuthContext> auth_context() const {
+    if (auth_context_.get() == nullptr) {
+      auth_context_ = CreateAuthContext(call_);
+    }
+    return auth_context_;
+  }
 
   // Return the peer uri in a string.
   // WARNING: this value is never authenticated or subject to any security
@@ -193,7 +199,9 @@ class ServerContext {
   ServerContext(gpr_timespec deadline, grpc_metadata* metadata,
                 size_t metadata_count);
 
-  void set_call(grpc_call* call);
+  void set_call(grpc_call* call) { call_ = call; }
+
+  uint32_t initial_metadata_flags() const { return 0; }
 
   CompletionOp* completion_op_;
   bool has_notify_when_done_tag_;
diff --git a/include/grpc++/impl/codegen/server_interface.h b/include/grpc++/impl/codegen/server_interface.h
index 7d4ed277ed5c006797d83d7aad34f47fce9fd7b2..7b7d5aa90b63927b0fff780e5769b476debe2913 100644
--- a/include/grpc++/impl/codegen/server_interface.h
+++ b/include/grpc++/impl/codegen/server_interface.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -192,10 +192,11 @@ class ServerInterface : public CallHook {
     bool FinalizeResult(void** tag, bool* status) GRPC_OVERRIDE {
       bool serialization_status =
           *status && payload_ &&
-          SerializationTraits<Message>::Deserialize(
-              payload_, request_, server_->max_message_size()).ok();
+          SerializationTraits<Message>::Deserialize(payload_, request_,
+                                                    server_->max_message_size())
+              .ok();
       bool ret = RegisteredAsyncRequest::FinalizeResult(tag, status);
-      *status = serialization_status&&* status;
+      *status = serialization_status && *status;
       return ret;
     }
 
diff --git a/include/grpc++/impl/codegen/service_type.h b/include/grpc++/impl/codegen/service_type.h
index faf189314c25c6b2fb53f8cb696502e6a448606c..c19dfc7d45f0f3b9db04b1fbff62b969a20dae91 100644
--- a/include/grpc++/impl/codegen/service_type.h
+++ b/include/grpc++/impl/codegen/service_type.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/string_ref.h b/include/grpc++/impl/codegen/string_ref.h
index 4af2000ffdb90889f181bf38d7e154cde2cc002b..003793823c007c598f8262b0e4a0957c7a486694 100644
--- a/include/grpc++/impl/codegen/string_ref.h
+++ b/include/grpc++/impl/codegen/string_ref.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/stub_options.h b/include/grpc++/impl/codegen/stub_options.h
index 3912ae2bf9221a570b38748797f1807e198b2ab0..8e966a8dbf3f90058686e79988a3d4f47df9a8d6 100644
--- a/include/grpc++/impl/codegen/stub_options.h
+++ b/include/grpc++/impl/codegen/stub_options.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/sync.h b/include/grpc++/impl/codegen/sync.h
index 375af1543b882787a2ad630e0a893c4286f83e89..62194c77081204188dda94209f7fae8553735d56 100644
--- a/include/grpc++/impl/codegen/sync.h
+++ b/include/grpc++/impl/codegen/sync.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/sync_cxx11.h b/include/grpc++/impl/codegen/sync_cxx11.h
index 49105476473e9d5a4e6b161b1e8132583f5d8800..6626ca1f94c99c323c2f0bad8fcbfeb2cb0933f3 100644
--- a/include/grpc++/impl/codegen/sync_cxx11.h
+++ b/include/grpc++/impl/codegen/sync_cxx11.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/sync_no_cxx11.h b/include/grpc++/impl/codegen/sync_no_cxx11.h
index 8dea84736719beddfc13486da27abfcfc5edfe2b..55c059ede77f5ff6383fdc23d779a4d764e98672 100644
--- a/include/grpc++/impl/codegen/sync_no_cxx11.h
+++ b/include/grpc++/impl/codegen/sync_no_cxx11.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/codegen/sync_stream.h b/include/grpc++/impl/codegen/sync_stream.h
index 5f878469ce15f3f0d6eb127bc50bb060c3113685..9100ce09a2319649de19388b637021341d203897 100644
--- a/include/grpc++/impl/codegen/sync_stream.h
+++ b/include/grpc++/impl/codegen/sync_stream.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -123,8 +123,10 @@ class ClientReader GRPC_FINAL : public ClientReaderInterface<R> {
                ClientContext* context, const W& request)
       : context_(context), call_(channel->CreateCall(method, context, &cq_)) {
     CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
-              CallOpClientSendClose> ops;
-    ops.SendInitialMetadata(context->send_initial_metadata_);
+              CallOpClientSendClose>
+        ops;
+    ops.SendInitialMetadata(context->send_initial_metadata_,
+                            context->initial_metadata_flags());
     // TODO(ctiller): don't assert
     GPR_CODEGEN_ASSERT(ops.SendMessage(request).ok());
     ops.ClientSendClose();
@@ -189,7 +191,8 @@ class ClientWriter : public ClientWriterInterface<W> {
     finish_ops_.RecvMessage(response);
 
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(context->send_initial_metadata_);
+    ops.SendInitialMetadata(context->send_initial_metadata_,
+                            context->initial_metadata_flags());
     call_.PerformOps(&ops);
     cq_.Pluck(&ops);
   }
@@ -235,7 +238,8 @@ class ClientWriter : public ClientWriterInterface<W> {
  private:
   ClientContext* context_;
   CallOpSet<CallOpRecvInitialMetadata, CallOpGenericRecvMessage,
-            CallOpClientRecvStatus> finish_ops_;
+            CallOpClientRecvStatus>
+      finish_ops_;
   CompletionQueue cq_;
   Call call_;
 };
@@ -266,7 +270,8 @@ class ClientReaderWriter GRPC_FINAL : public ClientReaderWriterInterface<W, R> {
                      ClientContext* context)
       : context_(context), call_(channel->CreateCall(method, context, &cq_)) {
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(context->send_initial_metadata_);
+    ops.SendInitialMetadata(context->send_initial_metadata_,
+                            context->initial_metadata_flags());
     call_.PerformOps(&ops);
     cq_.Pluck(&ops);
   }
@@ -332,7 +337,8 @@ class ServerReader GRPC_FINAL : public ReaderInterface<R> {
     GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(ctx_->initial_metadata_);
+    ops.SendInitialMetadata(ctx_->initial_metadata_,
+                            ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_->PerformOps(&ops);
     call_->cq()->Pluck(&ops);
@@ -359,7 +365,8 @@ class ServerWriter GRPC_FINAL : public WriterInterface<W> {
     GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(ctx_->initial_metadata_);
+    ops.SendInitialMetadata(ctx_->initial_metadata_,
+                            ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_->PerformOps(&ops);
     call_->cq()->Pluck(&ops);
@@ -372,7 +379,8 @@ class ServerWriter GRPC_FINAL : public WriterInterface<W> {
       return false;
     }
     if (!ctx_->sent_initial_metadata_) {
-      ops.SendInitialMetadata(ctx_->initial_metadata_);
+      ops.SendInitialMetadata(ctx_->initial_metadata_,
+                              ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     call_->PerformOps(&ops);
@@ -395,7 +403,8 @@ class ServerReaderWriter GRPC_FINAL : public WriterInterface<W>,
     GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(ctx_->initial_metadata_);
+    ops.SendInitialMetadata(ctx_->initial_metadata_,
+                            ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_->PerformOps(&ops);
     call_->cq()->Pluck(&ops);
@@ -415,7 +424,8 @@ class ServerReaderWriter GRPC_FINAL : public WriterInterface<W>,
       return false;
     }
     if (!ctx_->sent_initial_metadata_) {
-      ops.SendInitialMetadata(ctx_->initial_metadata_);
+      ops.SendInitialMetadata(ctx_->initial_metadata_,
+                              ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     call_->PerformOps(&ops);
diff --git a/include/grpc++/impl/codegen/time.h b/include/grpc++/impl/codegen/time.h
index bed7423341258b8b6bcee8aa32ae56e5ad304fd0..d9b19bce645dc49b4ab02f5c4412130aa25b9075 100644
--- a/include/grpc++/impl/codegen/time.h
+++ b/include/grpc++/impl/codegen/time.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/grpc_library.h b/include/grpc++/impl/grpc_library.h
index d26f4a4cab366b1164eaa4cfdd8f8ed5db828ebc..175cf99a82bae211ce5472caf9b13816ef74416e 100644
--- a/include/grpc++/impl/grpc_library.h
+++ b/include/grpc++/impl/grpc_library.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -58,8 +58,12 @@ static CoreCodegen g_core_codegen;
 class GrpcLibraryInitializer GRPC_FINAL {
  public:
   GrpcLibraryInitializer() {
-    grpc::g_glip = &g_gli;
-    grpc::g_core_codegen_interface = &g_core_codegen;
+    if (grpc::g_glip == nullptr) {
+      grpc::g_glip = &g_gli;
+    }
+    if (grpc::g_core_codegen_interface == nullptr) {
+      grpc::g_core_codegen_interface = &g_core_codegen;
+    }
   }
 
   /// A no-op method to force the linker to reference this class, which will
diff --git a/include/grpc++/impl/method_handler_impl.h b/include/grpc++/impl/method_handler_impl.h
index 305fd2865e484791d6be127e449ac6626a6b8db0..443978b82f9f9ef2c43500cc3a443648173bc6d0 100644
--- a/include/grpc++/impl/method_handler_impl.h
+++ b/include/grpc++/impl/method_handler_impl.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/proto_utils.h b/include/grpc++/impl/proto_utils.h
index 9124001e207f0f8b9629de3464166a81044e93d0..a34cf9bd6c67a31d869a9f0ab0555ea5221654b7 100644
--- a/include/grpc++/impl/proto_utils.h
+++ b/include/grpc++/impl/proto_utils.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CPP_PROTO_PROTO_UTILS_H
-#define GRPC_INTERNAL_CPP_PROTO_PROTO_UTILS_H
+#ifndef GRPCXX_IMPL_PROTO_UTILS_H
+#define GRPCXX_IMPL_PROTO_UTILS_H
 
 #include <grpc++/impl/codegen/proto_utils.h>
 
-#endif  // GRPC_INTERNAL_CPP_PROTO_PROTO_UTILS_H
+#endif  // GRPCXX_IMPL_PROTO_UTILS_H
diff --git a/include/grpc++/impl/rpc_method.h b/include/grpc++/impl/rpc_method.h
index 8b5d1a32822903c5bf755ed249329332cd7cee75..27293e6791877b4876d20874d2134cd7efe1a805 100644
--- a/include/grpc++/impl/rpc_method.h
+++ b/include/grpc++/impl/rpc_method.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/serialization_traits.h b/include/grpc++/impl/serialization_traits.h
index fad4398174bbec5bcf609021c763ce8e8d8fe47c..53538299dd555718b3a5dbcf3e5a0b7ab1985698 100644
--- a/include/grpc++/impl/serialization_traits.h
+++ b/include/grpc++/impl/serialization_traits.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/service_type.h b/include/grpc++/impl/service_type.h
index b33fbec739406ddab9d146dc235a7bffa2811866..ffad7a395975145e6cc62be150dda3e78b9f62a2 100644
--- a/include/grpc++/impl/service_type.h
+++ b/include/grpc++/impl/service_type.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/sync.h b/include/grpc++/impl/sync.h
index 824139043bcb6310d7c50d510592be44785e75f7..3339cddba49ef88f0ef4b49e4653561a70e9af74 100644
--- a/include/grpc++/impl/sync.h
+++ b/include/grpc++/impl/sync.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/sync_cxx11.h b/include/grpc++/impl/sync_cxx11.h
index 22997a19c2ae894754fb00eb70e6afb5ef8b0caf..78acec197ea63c3974b0b7db28f06e715ad771b3 100644
--- a/include/grpc++/impl/sync_cxx11.h
+++ b/include/grpc++/impl/sync_cxx11.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/impl/sync_no_cxx11.h b/include/grpc++/impl/sync_no_cxx11.h
index def800d6f46c6c90114ef3a3940083238f1e2dcc..e40269d1e51a18ba4d5481b7510d48b2d975d57f 100644
--- a/include/grpc++/impl/sync_no_cxx11.h
+++ b/include/grpc++/impl/sync_no_cxx11.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/security/auth_context.h b/include/grpc++/security/auth_context.h
index bca8fa7c0ccb3562b3a3f7ba90bf3884761077aa..424418386adfb494cb18c98c7ddcfe7f526317b3 100644
--- a/include/grpc++/security/auth_context.h
+++ b/include/grpc++/security/auth_context.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPCXX_SUPPORT_AUTH_CONTEXT_H
-#define GRPCXX_SUPPORT_AUTH_CONTEXT_H
+#ifndef GRPCXX_SECURITY_AUTH_CONTEXT_H
+#define GRPCXX_SECURITY_AUTH_CONTEXT_H
 
 #include <grpc++/impl/codegen/security/auth_context.h>
 
-#endif  // GRPCXX_SUPPORT_AUTH_CONTEXT_H
+#endif  // GRPCXX_SECURITY_AUTH_CONTEXT_H
diff --git a/include/grpc++/security/auth_metadata_processor.h b/include/grpc++/security/auth_metadata_processor.h
index 25011f33bafae0206d95f4f93dcdcc1a62d30fd1..1ae32d0f6c80a2e21126bd87a0146690f927ac1d 100644
--- a/include/grpc++/security/auth_metadata_processor.h
+++ b/include/grpc++/security/auth_metadata_processor.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPCXX_AUTH_METADATA_PROCESSOR_H_
-#define GRPCXX_AUTH_METADATA_PROCESSOR_H_
+#ifndef GRPCXX_SECURITY_AUTH_METADATA_PROCESSOR_H
+#define GRPCXX_SECURITY_AUTH_METADATA_PROCESSOR_H
 
 #include <map>
 
@@ -70,4 +70,4 @@ class AuthMetadataProcessor {
 
 }  // namespace grpc
 
-#endif  // GRPCXX_AUTH_METADATA_PROCESSOR_H_
+#endif  // GRPCXX_SECURITY_AUTH_METADATA_PROCESSOR_H
diff --git a/include/grpc++/security/credentials.h b/include/grpc++/security/credentials.h
index f2e2efd7a6eba7048c50da896ab1f8c55db8ba44..5439244b02363568b71f66f4d0fb517d32b06b01 100644
--- a/include/grpc++/security/credentials.h
+++ b/include/grpc++/security/credentials.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPCXX_CREDENTIALS_H
-#define GRPCXX_CREDENTIALS_H
+#ifndef GRPCXX_SECURITY_CREDENTIALS_H
+#define GRPCXX_SECURITY_CREDENTIALS_H
 
 #include <map>
 #include <memory>
@@ -229,4 +229,4 @@ std::shared_ptr<CallCredentials> MetadataCredentialsFromPlugin(
 
 }  // namespace grpc
 
-#endif  // GRPCXX_CREDENTIALS_H
+#endif  // GRPCXX_SECURITY_CREDENTIALS_H
diff --git a/include/grpc++/security/server_credentials.h b/include/grpc++/security/server_credentials.h
index e933825ec37977ab5b8c8e14158c525662f493cc..229bab8d84915989cb3dd7f25449d26c1f69e015 100644
--- a/include/grpc++/security/server_credentials.h
+++ b/include/grpc++/security/server_credentials.h
@@ -31,14 +31,15 @@
  *
  */
 
-#ifndef GRPCXX_SERVER_CREDENTIALS_H
-#define GRPCXX_SERVER_CREDENTIALS_H
+#ifndef GRPCXX_SECURITY_SERVER_CREDENTIALS_H
+#define GRPCXX_SECURITY_SERVER_CREDENTIALS_H
 
 #include <memory>
 #include <vector>
 
 #include <grpc++/security/auth_metadata_processor.h>
 #include <grpc++/support/config.h>
+#include <grpc/grpc_security_constants.h>
 
 struct grpc_server;
 
@@ -69,7 +70,13 @@ class ServerCredentials {
 
 /// Options to create ServerCredentials with SSL
 struct SslServerCredentialsOptions {
-  SslServerCredentialsOptions() : force_client_auth(false) {}
+  // Deprecated
+  SslServerCredentialsOptions()
+      : force_client_auth(false),
+        client_certificate_request(GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE) {}
+  SslServerCredentialsOptions(
+      grpc_ssl_client_certificate_request_type request_type)
+      : force_client_auth(false), client_certificate_request(request_type) {}
 
   struct PemKeyCertPair {
     grpc::string private_key;
@@ -77,7 +84,13 @@ struct SslServerCredentialsOptions {
   };
   grpc::string pem_root_certs;
   std::vector<PemKeyCertPair> pem_key_cert_pairs;
+  // Deprecated
   bool force_client_auth;
+
+  // If both force_client_auth and client_certificate_request fields are set,
+  // force_client_auth takes effect i.e
+  // REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY will be enforced.
+  grpc_ssl_client_certificate_request_type client_certificate_request;
 };
 
 /// Builds SSL ServerCredentials given SSL specific options
@@ -89,4 +102,4 @@ std::shared_ptr<ServerCredentials> InsecureServerCredentials();
 
 }  // namespace grpc
 
-#endif  // GRPCXX_SERVER_CREDENTIALS_H
+#endif  // GRPCXX_SECURITY_SERVER_CREDENTIALS_H
diff --git a/include/grpc++/server.h b/include/grpc++/server.h
index 9eb8c287e19b1c5cc79bf8f1f8fa9039a7325b3f..729a5143bf8b3fd83bcdf481c192860583844cd2 100644
--- a/include/grpc++/server.h
+++ b/include/grpc++/server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/server_builder.h b/include/grpc++/server_builder.h
index 73bcfb6038791403a5df43b8fc97454641411245..86c7fecef59f53e3bd2e3fcdc449ee25401adf15 100644
--- a/include/grpc++/server_builder.h
+++ b/include/grpc++/server_builder.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/server_context.h b/include/grpc++/server_context.h
index 214188a03a9fb22dbecae55be7e37732e2f1e98d..0d68c7859c3eb01d4df684d9757760bebae69002 100644
--- a/include/grpc++/server_context.h
+++ b/include/grpc++/server_context.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/async_stream.h b/include/grpc++/support/async_stream.h
index 88147ea9d655d89e4f15a73823ccd5ca9a3b2aab..106fd6cda2591c4ca51f1464788af62b920d295e 100644
--- a/include/grpc++/support/async_stream.h
+++ b/include/grpc++/support/async_stream.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/async_unary_call.h b/include/grpc++/support/async_unary_call.h
index 6d74328be503bc894566ed4085aaddb696d1cc2b..e1bd6db68953f7687bb7ba2b09f392ba78652a35 100644
--- a/include/grpc++/support/async_unary_call.h
+++ b/include/grpc++/support/async_unary_call.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/byte_buffer.h b/include/grpc++/support/byte_buffer.h
index 82591a88ef2f4dd3cab659ac5a0cba3d71bcd2a6..f6eb09638f5b15137ba8cbbfee9451adeb880371 100644
--- a/include/grpc++/support/byte_buffer.h
+++ b/include/grpc++/support/byte_buffer.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,13 +34,13 @@
 #ifndef GRPCXX_SUPPORT_BYTE_BUFFER_H
 #define GRPCXX_SUPPORT_BYTE_BUFFER_H
 
-#include <grpc/grpc.h>
-#include <grpc/byte_buffer.h>
-#include <grpc/support/log.h>
 #include <grpc++/impl/serialization_traits.h>
 #include <grpc++/support/config.h>
 #include <grpc++/support/slice.h>
 #include <grpc++/support/status.h>
+#include <grpc/byte_buffer.h>
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
 
 #include <vector>
 
@@ -99,8 +99,8 @@ class SerializationTraits<ByteBuffer, void> {
   }
   static Status Serialize(const ByteBuffer& source, grpc_byte_buffer** buffer,
                           bool* own_buffer) {
-    *buffer = source.buffer();
-    *own_buffer = false;
+    *buffer = grpc_byte_buffer_copy(source.buffer());
+    *own_buffer = true;
     return Status::OK;
   }
 };
diff --git a/include/grpc++/support/channel_arguments.h b/include/grpc++/support/channel_arguments.h
index a9ede35f903bf0c52165da03d40e9704f087ae35..ae243939e9a6e5ed49ee0ab95524bb2601a584d0 100644
--- a/include/grpc++/support/channel_arguments.h
+++ b/include/grpc++/support/channel_arguments.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,12 +34,12 @@
 #ifndef GRPCXX_SUPPORT_CHANNEL_ARGUMENTS_H
 #define GRPCXX_SUPPORT_CHANNEL_ARGUMENTS_H
 
-#include <vector>
 #include <list>
+#include <vector>
 
+#include <grpc++/support/config.h>
 #include <grpc/compression.h>
 #include <grpc/grpc.h>
-#include <grpc++/support/config.h>
 
 namespace grpc {
 namespace testing {
diff --git a/include/grpc++/support/config.h b/include/grpc++/support/config.h
index be8c89c4626503f23cf86ce01731fd3b37428be6..10c65d97d1285e77845bdc4f62c574b39197625d 100644
--- a/include/grpc++/support/config.h
+++ b/include/grpc++/support/config.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/config_protobuf.h b/include/grpc++/support/config_protobuf.h
index 0b466e8e44baaf0d9bfab36672ed8006c3def10a..3e7f169652dc8908b651cba7a27d999dcb858450 100644
--- a/include/grpc++/support/config_protobuf.h
+++ b/include/grpc++/support/config_protobuf.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/slice.h b/include/grpc++/support/slice.h
index 724691a0333994f4d5d11119ae80e25cd0325cab..cec9062d4fd6e36690b641420a7ae4767238deb6 100644
--- a/include/grpc++/support/slice.h
+++ b/include/grpc++/support/slice.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,8 +34,8 @@
 #ifndef GRPCXX_SUPPORT_SLICE_H
 #define GRPCXX_SUPPORT_SLICE_H
 
-#include <grpc/support/slice.h>
 #include <grpc++/support/config.h>
+#include <grpc/support/slice.h>
 
 namespace grpc {
 
diff --git a/include/grpc++/support/status.h b/include/grpc++/support/status.h
index a33fbedf12f4726c95312208e323d64e0861752a..bdb25b07240079451c43cbe2e0a1f010c1289497 100644
--- a/include/grpc++/support/status.h
+++ b/include/grpc++/support/status.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/status_code_enum.h b/include/grpc++/support/status_code_enum.h
index 21b9c40d7e8ac129c80cb58b1d81efa5f784df34..690a509c096290de0d996ffa8ed60d4b7662ead3 100644
--- a/include/grpc++/support/status_code_enum.h
+++ b/include/grpc++/support/status_code_enum.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/string_ref.h b/include/grpc++/support/string_ref.h
index 195e5c80c5d6c86c49e2920f96c4581b38842278..1f95e47fd36fe10f9566515c4a9ff6304657bfe8 100644
--- a/include/grpc++/support/string_ref.h
+++ b/include/grpc++/support/string_ref.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/stub_options.h b/include/grpc++/support/stub_options.h
index f8f4c871812c26a5fc5a252f50d67c5a38aa1582..17a13c357e657d3eac6783b45e2b5096b2bc3151 100644
--- a/include/grpc++/support/stub_options.h
+++ b/include/grpc++/support/stub_options.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/sync_stream.h b/include/grpc++/support/sync_stream.h
index 2ea2ac544365e3ec2def18704a4acf0b84e4c33f..be742ef56171a44e51a86cedaa4a6b8f7007f85a 100644
--- a/include/grpc++/support/sync_stream.h
+++ b/include/grpc++/support/sync_stream.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc++/support/time.h b/include/grpc++/support/time.h
index f0b758f254bdd5d98f0f904ea5c672c38aacad2f..1b6fb463c4c6d41bcadd2e36cdf6350da1010bdd 100644
--- a/include/grpc++/support/time.h
+++ b/include/grpc++/support/time.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/byte_buffer.h b/include/grpc/byte_buffer.h
index fa1fd24df9442afc43b321213cf306937c08befe..c3a394371d7797a9c0a5893b121aa4d694ce90db 100644
--- a/include/grpc/byte_buffer.h
+++ b/include/grpc/byte_buffer.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/byte_buffer_reader.h b/include/grpc/byte_buffer_reader.h
index b0e63a6da2b8960bea09bbcee84cf4ebcb559c55..9a1c6178ab6918dec1696ff58a5c2baacf95418b 100644
--- a/include/grpc/byte_buffer_reader.h
+++ b/include/grpc/byte_buffer_reader.h
@@ -34,8 +34,8 @@
 #ifndef GRPC_BYTE_BUFFER_READER_H
 #define GRPC_BYTE_BUFFER_READER_H
 
-#include <grpc/grpc.h>
 #include <grpc/byte_buffer.h>
+#include <grpc/grpc.h>
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/include/grpc/census.h b/include/grpc/census.h
index 442a754f0a45f32e09fb7ba25873077c9139b454..39d87ba119c12407edc923e1110870e6447f7722 100644
--- a/include/grpc/census.h
+++ b/include/grpc/census.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,8 +35,8 @@
  * they can (ultimately) be used in many different RPC systems (with differing
  * implementations). */
 
-#ifndef CENSUS_CENSUS_H
-#define CENSUS_CENSUS_H
+#ifndef GRPC_CENSUS_H
+#define GRPC_CENSUS_H
 
 #include <grpc/grpc.h>
 
@@ -537,4 +537,4 @@ CENSUSAPI void census_view_reset(census_view *view);
 }
 #endif
 
-#endif /* CENSUS_CENSUS_H */
+#endif /* GRPC_CENSUS_H */
diff --git a/include/grpc/compression.h b/include/grpc/compression.h
index acc168a6eefcd0695e29657fd5b24c8c492ecb46..8de4b133d4c9fee2e6488625989b849609eab8f1 100644
--- a/include/grpc/compression.h
+++ b/include/grpc/compression.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,8 +36,8 @@
 
 #include <stdlib.h>
 
-#include <grpc/impl/codegen/port_platform.h>
 #include <grpc/impl/codegen/compression_types.h>
+#include <grpc/impl/codegen/port_platform.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -55,11 +55,12 @@ GRPCAPI int grpc_compression_algorithm_parse(
 GRPCAPI int grpc_compression_algorithm_name(
     grpc_compression_algorithm algorithm, char **name);
 
-/** Returns the compression algorithm corresponding to \a level.
+/** Returns the compression algorithm corresponding to \a level for the
+ * compression algorithms encoded in the \a accepted_encodings bitset.
  *
  * It abort()s for unknown levels . */
-GRPCAPI grpc_compression_algorithm
-grpc_compression_algorithm_for_level(grpc_compression_level level);
+GRPCAPI grpc_compression_algorithm grpc_compression_algorithm_for_level(
+    grpc_compression_level level, uint32_t accepted_encodings);
 
 GRPCAPI void grpc_compression_options_init(grpc_compression_options *opts);
 
diff --git a/include/grpc/grpc.h b/include/grpc/grpc.h
index 5113645daf95396341aa306b10b6fa187536880f..5c868aece372b14658bf07f5aa38aa04d2114819 100644
--- a/include/grpc/grpc.h
+++ b/include/grpc/grpc.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,13 +36,13 @@
 
 #include <grpc/status.h>
 
-#include <stddef.h>
 #include <grpc/byte_buffer.h>
-#include <grpc/support/slice.h>
-#include <grpc/support/time.h>
 #include <grpc/impl/codegen/connectivity_state.h>
-#include <grpc/impl/codegen/propagation_bits.h>
 #include <grpc/impl/codegen/grpc_types.h>
+#include <grpc/impl/codegen/propagation_bits.h>
+#include <grpc/support/slice.h>
+#include <grpc/support/time.h>
+#include <stddef.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -154,9 +154,8 @@ GRPCAPI void grpc_alarm_cancel(grpc_alarm *alarm);
 GRPCAPI void grpc_alarm_destroy(grpc_alarm *alarm);
 
 /** Check the connectivity state of a channel. */
-GRPCAPI grpc_connectivity_state
-grpc_channel_check_connectivity_state(grpc_channel *channel,
-                                      int try_to_connect);
+GRPCAPI grpc_connectivity_state grpc_channel_check_connectivity_state(
+    grpc_channel *channel, int try_to_connect);
 
 /** Watch for a change in connectivity state.
     Once the channel connectivity state is different from last_observed_state,
@@ -267,9 +266,10 @@ GRPCAPI grpc_call_error grpc_call_cancel(grpc_call *call, void *reserved);
     and description passed in.
     Importantly, this function does not send status nor description to the
     remote endpoint. */
-GRPCAPI grpc_call_error
-grpc_call_cancel_with_status(grpc_call *call, grpc_status_code status,
-                             const char *description, void *reserved);
+GRPCAPI grpc_call_error grpc_call_cancel_with_status(grpc_call *call,
+                                                     grpc_status_code status,
+                                                     const char *description,
+                                                     void *reserved);
 
 /** Destroy a call.
     THREAD SAFETY: grpc_call_destroy is thread-compatible */
@@ -283,13 +283,19 @@ GRPCAPI void grpc_call_destroy(grpc_call *call);
     to \a cq_bound_to_call.
     Note that \a cq_for_notification must have been registered to the server via
     \a grpc_server_register_completion_queue. */
-GRPCAPI grpc_call_error
-grpc_server_request_call(grpc_server *server, grpc_call **call,
-                         grpc_call_details *details,
-                         grpc_metadata_array *request_metadata,
-                         grpc_completion_queue *cq_bound_to_call,
-                         grpc_completion_queue *cq_for_notification,
-                         void *tag_new);
+GRPCAPI grpc_call_error grpc_server_request_call(
+    grpc_server *server, grpc_call **call, grpc_call_details *details,
+    grpc_metadata_array *request_metadata,
+    grpc_completion_queue *cq_bound_to_call,
+    grpc_completion_queue *cq_for_notification, void *tag_new);
+
+/** How to handle payloads for a registered method */
+typedef enum {
+  /** Don't try to read the payload */
+  GRPC_SRM_PAYLOAD_NONE,
+  /** Read the initial payload as a byte buffer */
+  GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER
+} grpc_server_register_method_payload_handling;
 
 /** Registers a method in the server.
     Methods to this (host, method) pair will not be reported by
@@ -298,8 +304,10 @@ grpc_server_request_call(grpc_server *server, grpc_call **call,
     registered_method (as returned by this function).
     Must be called before grpc_server_start.
     Returns NULL on failure. */
-GRPCAPI void *grpc_server_register_method(grpc_server *server,
-                                          const char *method, const char *host);
+GRPCAPI void *grpc_server_register_method(
+    grpc_server *server, const char *method, const char *host,
+    grpc_server_register_method_payload_handling payload_handling,
+    uint32_t flags);
 
 /** Request notification of a new pre-registered call. 'cq_for_notification'
     must have been registered to the server via
diff --git a/include/grpc/grpc_security.h b/include/grpc/grpc_security.h
index ef7205ded8b75e8237453d6c4d6a350d67664b8a..79199cc5d68fc173359a473461b417fd4a02f637 100644
--- a/include/grpc/grpc_security.h
+++ b/include/grpc/grpc_security.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,6 +35,7 @@
 #define GRPC_GRPC_SECURITY_H
 
 #include <grpc/grpc.h>
+#include <grpc/grpc_security_constants.h>
 #include <grpc/status.h>
 
 #ifdef __cplusplus
@@ -43,12 +44,6 @@ extern "C" {
 
 /* --- Authentication Context. --- */
 
-#define GRPC_TRANSPORT_SECURITY_TYPE_PROPERTY_NAME "transport_security_type"
-#define GRPC_SSL_TRANSPORT_SECURITY_TYPE "ssl"
-
-#define GRPC_X509_CN_PROPERTY_NAME "x509_common_name"
-#define GRPC_X509_SAN_PROPERTY_NAME "x509_subject_alternative_name"
-
 typedef struct grpc_auth_context grpc_auth_context;
 
 typedef struct grpc_auth_property_iterator {
@@ -79,9 +74,8 @@ grpc_auth_context_peer_identity(const grpc_auth_context *ctx);
 
 /* Finds a property in the context. May return an empty iterator (first _next
    will return NULL) if no property with this name was found in the context. */
-GRPCAPI grpc_auth_property_iterator
-grpc_auth_context_find_properties_by_name(const grpc_auth_context *ctx,
-                                          const char *name);
+GRPCAPI grpc_auth_property_iterator grpc_auth_context_find_properties_by_name(
+    const grpc_auth_context *ctx, const char *name);
 
 /* Gets the name of the property that indicates the peer identity. Will return
    NULL if the peer is not authenticated. */
@@ -130,29 +124,11 @@ typedef struct grpc_channel_credentials grpc_channel_credentials;
    The creator of the credentials object is responsible for its release. */
 GRPCAPI void grpc_channel_credentials_release(grpc_channel_credentials *creds);
 
-/* Environment variable that points to the google default application
-   credentials json key or refresh token. Used in the
-   grpc_google_default_credentials_create function. */
-#define GRPC_GOOGLE_CREDENTIALS_ENV_VAR "GOOGLE_APPLICATION_CREDENTIALS"
-
 /* Creates default credentials to connect to a google gRPC service.
    WARNING: Do NOT use this credentials to connect to a non-google service as
    this could result in an oauth2 token leak. */
 GRPCAPI grpc_channel_credentials *grpc_google_default_credentials_create(void);
 
-/* Environment variable that points to the default SSL roots file. This file
-   must be a PEM encoded file with all the roots such as the one that can be
-   downloaded from https://pki.google.com/roots.pem.  */
-#define GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR \
-  "GRPC_DEFAULT_SSL_ROOTS_FILE_PATH"
-
-/* Results for the SSL roots override callback. */
-typedef enum {
-  GRPC_SSL_ROOTS_OVERRIDE_OK,
-  GRPC_SSL_ROOTS_OVERRIDE_FAIL_PERMANENTLY, /* Do not try fallback options. */
-  GRPC_SSL_ROOTS_OVERRIDE_FAIL
-} grpc_ssl_roots_override_result;
-
 /* Callback for getting the SSL roots override from the application.
    In case of success, *pem_roots_certs must be set to a NULL terminated string
    containing the list of PEM encoded root certificates. The ownership is passed
@@ -334,7 +310,8 @@ typedef struct grpc_server_credentials grpc_server_credentials;
    */
 GRPCAPI void grpc_server_credentials_release(grpc_server_credentials *creds);
 
-/* Creates an SSL server_credentials object.
+/* Deprecated in favor of grpc_ssl_server_credentials_create_ex.
+   Creates an SSL server_credentials object.
    - pem_roots_cert is the NULL-terminated string containing the PEM encoding of
      the client root certificates. This parameter may be NULL if the server does
      not want the client to be authenticated with SSL.
@@ -349,6 +326,15 @@ GRPCAPI grpc_server_credentials *grpc_ssl_server_credentials_create(
     const char *pem_root_certs, grpc_ssl_pem_key_cert_pair *pem_key_cert_pairs,
     size_t num_key_cert_pairs, int force_client_auth, void *reserved);
 
+/* Same as grpc_ssl_server_credentials_create method except uses
+   grpc_ssl_client_certificate_request_type enum to support more ways to
+   authenticate client cerificates.*/
+GRPCAPI grpc_server_credentials *grpc_ssl_server_credentials_create_ex(
+    const char *pem_root_certs, grpc_ssl_pem_key_cert_pair *pem_key_cert_pairs,
+    size_t num_key_cert_pairs,
+    grpc_ssl_client_certificate_request_type client_certificate_request,
+    void *reserved);
+
 /* --- Server-side secure ports. --- */
 
 /* Add a HTTP2 over an encrypted link over tcp listener.
@@ -362,8 +348,8 @@ GRPCAPI int grpc_server_add_secure_http2_port(grpc_server *server,
 
 /* Sets a credentials to a call. Can only be called on the client side before
    grpc_call_start_batch. */
-GRPCAPI grpc_call_error
-grpc_call_set_credentials(grpc_call *call, grpc_call_credentials *creds);
+GRPCAPI grpc_call_error grpc_call_set_credentials(grpc_call *call,
+                                                  grpc_call_credentials *creds);
 
 /* --- Auth Metadata Processing --- */
 
diff --git a/include/grpc/grpc_security_constants.h b/include/grpc/grpc_security_constants.h
new file mode 100644
index 0000000000000000000000000000000000000000..da05c5a97b32d15df92c9c1f22e5c35265c144cb
--- /dev/null
+++ b/include/grpc/grpc_security_constants.h
@@ -0,0 +1,114 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_GRPC_SECURITY_CONSTANTS_H
+#define GRPC_GRPC_SECURITY_CONSTANTS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define GRPC_TRANSPORT_SECURITY_TYPE_PROPERTY_NAME "transport_security_type"
+#define GRPC_SSL_TRANSPORT_SECURITY_TYPE "ssl"
+
+#define GRPC_X509_CN_PROPERTY_NAME "x509_common_name"
+#define GRPC_X509_SAN_PROPERTY_NAME "x509_subject_alternative_name"
+#define GRPC_X509_PEM_CERT_PROPERTY_NAME "x509_pem_cert"
+
+/* Environment variable that points to the default SSL roots file. This file
+   must be a PEM encoded file with all the roots such as the one that can be
+   downloaded from https://pki.google.com/roots.pem.  */
+#define GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR \
+  "GRPC_DEFAULT_SSL_ROOTS_FILE_PATH"
+
+/* Environment variable that points to the google default application
+   credentials json key or refresh token. Used in the
+   grpc_google_default_credentials_create function. */
+#define GRPC_GOOGLE_CREDENTIALS_ENV_VAR "GOOGLE_APPLICATION_CREDENTIALS"
+
+/* Results for the SSL roots override callback. */
+typedef enum {
+  GRPC_SSL_ROOTS_OVERRIDE_OK,
+  GRPC_SSL_ROOTS_OVERRIDE_FAIL_PERMANENTLY, /* Do not try fallback options. */
+  GRPC_SSL_ROOTS_OVERRIDE_FAIL
+} grpc_ssl_roots_override_result;
+
+typedef enum {
+  /* Server does not request client certificate. A client can present a self
+     signed or signed certificates if it wishes to do so and they would be
+     accepted. */
+  GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE,
+  /* Server requests client certificate but does not enforce that the client
+     presents a certificate.
+
+     If the client presents a certificate, the client authentication is left to
+     the application based on the metadata like certificate etc.
+
+     The key cert pair should still be valid for the SSL connection to be
+     established. */
+  GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY,
+  /* Server requests client certificate but does not enforce that the client
+     presents a certificate.
+
+     If the client presents a certificate, the client authentication is done by
+     grpc framework (The client needs to either present a signed cert or skip no
+     certificate for a successful connection).
+
+     The key cert pair should still be valid for the SSL connection to be
+     established. */
+  GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY,
+  /* Server requests client certificate but enforces that the client presents a
+     certificate.
+
+     If the client presents a certificate, the client authentication is left to
+     the application based on the metadata like certificate etc.
+
+     The key cert pair should still be valid for the SSL connection to be
+     established. */
+  GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY,
+  /* Server requests client certificate but enforces that the client presents a
+     certificate.
+
+     The cerificate presented by the client is verified by grpc framework (The
+     client needs to present signed certs for a successful connection).
+
+     The key cert pair should still be valid for the SSL connection to be
+     established. */
+  GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY
+} grpc_ssl_client_certificate_request_type;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_GRPC_SECURITY_CONSTANTS_H */
diff --git a/include/grpc/grpc_zookeeper.h b/include/grpc/grpc_zookeeper.h
index b23bd88b4339078db08a92d2834c81928b455839..2b195c18bff42b8e83f0450b661ff741422349e5 100644
--- a/include/grpc/grpc_zookeeper.h
+++ b/include/grpc/grpc_zookeeper.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/alloc.h b/include/grpc/impl/codegen/alloc.h
index 235135443306c331720305d42e93f4facb42a8f3..683c755f2c0ec8eb13fc22e9beb5a54924e1ba6f 100644
--- a/include/grpc/impl/codegen/alloc.h
+++ b/include/grpc/impl/codegen/alloc.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/atm.h b/include/grpc/impl/codegen/atm.h
index 35b97506ac96e8a6a74711954c1a2a7ce571e67e..5376026dde2ef6a49e135d7988b9ba2febd76b9a 100644
--- a/include/grpc/impl/codegen/atm.h
+++ b/include/grpc/impl/codegen/atm.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/atm_gcc_atomic.h b/include/grpc/impl/codegen/atm_gcc_atomic.h
index 196d2aeeb34ab30142f052eb539b13d905930dbf..8caf7edbdec09b6e1cff8f8c22feb6a1ab742c85 100644
--- a/include/grpc/impl/codegen/atm_gcc_atomic.h
+++ b/include/grpc/impl/codegen/atm_gcc_atomic.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/atm_gcc_sync.h b/include/grpc/impl/codegen/atm_gcc_sync.h
index 56f755949d8e18c67c7150c27db36fbc824d5146..915b09fb0c3c9ef2660db16a6260a09fcd196aae 100644
--- a/include/grpc/impl/codegen/atm_gcc_sync.h
+++ b/include/grpc/impl/codegen/atm_gcc_sync.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/atm_win32.h b/include/grpc/impl/codegen/atm_win32.h
index 9d26462d84f86e055f593cb86b271fc2ebfa7f1f..7c1ccaf8e2081b696ec08a538470d00a1416c26c 100644
--- a/include/grpc/impl/codegen/atm_win32.h
+++ b/include/grpc/impl/codegen/atm_win32.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/byte_buffer.h b/include/grpc/impl/codegen/byte_buffer.h
index 9e96d4bdae42af8dcf0a8c6f8af381dea96acff5..3ae8ac50ba1ebb49e4217d552ff1d0b6005ffcd1 100644
--- a/include/grpc/impl/codegen/byte_buffer.h
+++ b/include/grpc/impl/codegen/byte_buffer.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/grpc_types.h b/include/grpc/impl/codegen/grpc_types.h
index b11f6ffec419528c92eb0bc876f33d01d9fed607..4c7373006b2c85a0bfab92e970d231648f3c047f 100644
--- a/include/grpc/impl/codegen/grpc_types.h
+++ b/include/grpc/impl/codegen/grpc_types.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -142,6 +142,8 @@ typedef struct {
 /** Secondary user agent: goes at the end of the user-agent metadata
     sent on each request */
 #define GRPC_ARG_SECONDARY_USER_AGENT_STRING "grpc.secondary_user_agent"
+/** The maximum time between subsequent connection attempts, in ms */
+#define GRPC_ARG_MAX_RECONNECT_BACKOFF_MS "grpc.max_reconnect_backoff_ms"
 /* The caller of the secure_channel_create functions may override the target
    name used for SSL host name checking using this channel argument which is of
    type GRPC_ARG_STRING. This *should* be used for testing only.
@@ -185,7 +187,9 @@ typedef enum grpc_call_error {
       server */
   GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE,
   /** this batch of operations leads to more operations than allowed */
-  GRPC_CALL_ERROR_BATCH_TOO_BIG
+  GRPC_CALL_ERROR_BATCH_TOO_BIG,
+  /** payload type requested is not the type registered */
+  GRPC_CALL_ERROR_PAYLOAD_TYPE_MISMATCH
 } grpc_call_error;
 
 /* Write Flags: */
@@ -199,6 +203,16 @@ typedef enum grpc_call_error {
 /** Mask of all valid flags. */
 #define GRPC_WRITE_USED_MASK (GRPC_WRITE_BUFFER_HINT | GRPC_WRITE_NO_COMPRESS)
 
+/* Initial metadata flags */
+/** Signal that the call is idempotent */
+#define GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST (0x00000010u)
+/** Signal that the call should not return UNAVAILABLE before it has started */
+#define GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY (0x00000020u)
+/** Mask of all valid flags */
+#define GRPC_INITIAL_METADATA_USED_MASK       \
+  (GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST | \
+   GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY)
+
 /** A single metadata element */
 typedef struct grpc_metadata {
   const char *key;
@@ -250,6 +264,7 @@ typedef struct {
   char *host;
   size_t host_capacity;
   gpr_timespec deadline;
+  uint32_t flags;
   void *reserved;
 } grpc_call_details;
 
diff --git a/include/grpc/impl/codegen/log.h b/include/grpc/impl/codegen/log.h
index d6e18e9ca5f494abfc45cb37b5409fe1147da5f7..aa86fc4c17938fb4b45a92ecb5ac4831f3b18a5d 100644
--- a/include/grpc/impl/codegen/log.h
+++ b/include/grpc/impl/codegen/log.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,8 +34,8 @@
 #ifndef GRPC_IMPL_CODEGEN_LOG_H
 #define GRPC_IMPL_CODEGEN_LOG_H
 
-#include <stdlib.h> /* for abort() */
 #include <stdarg.h>
+#include <stdlib.h> /* for abort() */
 
 #include <grpc/impl/codegen/port_platform.h>
 
@@ -61,6 +61,8 @@ typedef enum gpr_log_severity {
   GPR_LOG_SEVERITY_ERROR
 } gpr_log_severity;
 
+#define GPR_LOG_VERBOSITY_UNSET -1
+
 /* Returns a string representation of the log severity */
 const char *gpr_log_severity_string(gpr_log_severity severity);
 
@@ -77,6 +79,11 @@ GPRAPI void gpr_log(const char *file, int line, gpr_log_severity severity,
 GPRAPI void gpr_log_message(const char *file, int line,
                             gpr_log_severity severity, const char *message);
 
+/* Set global log verbosity */
+GPRAPI void gpr_set_log_verbosity(gpr_log_severity min_severity_to_print);
+
+GPRAPI void gpr_log_verbosity_init();
+
 /* Log overrides: applications can use this API to intercept logging calls
    and use their own implementations */
 
diff --git a/include/grpc/impl/codegen/port_platform.h b/include/grpc/impl/codegen/port_platform.h
index fd55cb458211a61d398127b98b737fdd09fed04c..3242f07599be6f1cda6752011fe5551e123d0fe1 100644
--- a/include/grpc/impl/codegen/port_platform.h
+++ b/include/grpc/impl/codegen/port_platform.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -133,6 +133,9 @@
 #define GPR_POSIX_TIME 1
 #define GPR_GETPID_IN_UNISTD_H 1
 #define GPR_HAVE_MSG_NOSIGNAL 1
+#define GPR_HAVE_UNIX_SOCKET 1
+#define GPR_HAVE_IP_PKTINFO 1
+#define GPR_HAVE_IPV6_RECVPKTINFO 1
 #elif defined(__linux__)
 #define GPR_POSIX_CRASH_HANDLER 1
 #define GPR_PLATFORM_STRING "linux"
@@ -154,6 +157,9 @@
 #define GPR_POSIX_WAKEUP_FD 1
 #define GPR_POSIX_SOCKET 1
 #define GPR_POSIX_SOCKETADDR 1
+#define GPR_HAVE_UNIX_SOCKET 1
+#define GPR_HAVE_IP_PKTINFO 1
+#define GPR_HAVE_IPV6_RECVPKTINFO 1
 #ifdef __GLIBC_PREREQ
 #if __GLIBC_PREREQ(2, 9)
 #define GPR_LINUX_EVENTFD 1
@@ -214,6 +220,8 @@
 #define GPR_POSIX_TIME 1
 #define GPR_GETPID_IN_UNISTD_H 1
 #define GPR_HAVE_SO_NOSIGPIPE 1
+#define GPR_HAVE_UNIX_SOCKET 1
+#define GPR_HAVE_IP_PKTINFO 1
 #ifdef _LP64
 #define GPR_ARCH_64 1
 #else /* _LP64 */
@@ -242,6 +250,9 @@
 #define GPR_POSIX_TIME 1
 #define GPR_GETPID_IN_UNISTD_H 1
 #define GPR_HAVE_SO_NOSIGPIPE 1
+#define GPR_HAVE_UNIX_SOCKET 1
+#define GPR_HAVE_IP_PKTINFO 1
+#define GPR_HAVE_IPV6_RECVPKTINFO 1
 #ifdef _LP64
 #define GPR_ARCH_64 1
 #else /* _LP64 */
diff --git a/include/grpc/impl/codegen/propagation_bits.h b/include/grpc/impl/codegen/propagation_bits.h
index cdd699710c2378bd205975f2abfd71c04f57250d..4b6455876483d5b11b0f54a115afe7ae15ad1504 100644
--- a/include/grpc/impl/codegen/propagation_bits.h
+++ b/include/grpc/impl/codegen/propagation_bits.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_IMPL_CODEGEN_H
-#define GRPC_IMPL_CODEGEN_H
+#ifndef GRPC_IMPL_CODEGEN_PROPAGATION_BITS_H
+#define GRPC_IMPL_CODEGEN_PROPAGATION_BITS_H
 
 #include <grpc/impl/codegen/port_platform.h>
 
@@ -64,4 +64,4 @@ extern "C" {
 }
 #endif
 
-#endif /* GRPC_IMPL_CODEGEN_H */
+#endif /* GRPC_IMPL_CODEGEN_PROPAGATION_BITS_H */
diff --git a/include/grpc/impl/codegen/slice.h b/include/grpc/impl/codegen/slice.h
index a62fdd087bc96b937c8a75b3e14b05a235fad4b4..c684b7587d634f2078a03ce5cf55ec5dbe2aa460 100644
--- a/include/grpc/impl/codegen/slice.h
+++ b/include/grpc/impl/codegen/slice.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -122,8 +122,8 @@ GPRAPI gpr_slice gpr_slice_new(void *p, size_t len, void (*destroy)(void *));
 
 /* Equivalent to gpr_slice_new, but with a two argument destroy function that
    also takes the slice length. */
-GPRAPI gpr_slice
-gpr_slice_new_with_len(void *p, size_t len, void (*destroy)(void *, size_t));
+GPRAPI gpr_slice gpr_slice_new_with_len(void *p, size_t len,
+                                        void (*destroy)(void *, size_t));
 
 /* Equivalent to gpr_slice_new(malloc(len), len, free), but saves one malloc()
    call.
diff --git a/include/grpc/impl/codegen/slice_buffer.h b/include/grpc/impl/codegen/slice_buffer.h
index 4fe909ee82a3332a85410f6418ef4c9c94ba3c30..8ca51baa4716915d1ccd4841fab5ca8e357553a6 100644
--- a/include/grpc/impl/codegen/slice_buffer.h
+++ b/include/grpc/impl/codegen/slice_buffer.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -73,8 +73,8 @@ GPRAPI void gpr_slice_buffer_add(gpr_slice_buffer *sb, gpr_slice slice);
    slice at the returned index in sb->slices)
    The implementation MAY decide to concatenate data at the end of a small
    slice added in this fashion. */
-GPRAPI size_t
-gpr_slice_buffer_add_indexed(gpr_slice_buffer *sb, gpr_slice slice);
+GPRAPI size_t gpr_slice_buffer_add_indexed(gpr_slice_buffer *sb,
+                                           gpr_slice slice);
 GPRAPI void gpr_slice_buffer_addn(gpr_slice_buffer *sb, gpr_slice *slices,
                                   size_t n);
 /* add a very small (less than 8 bytes) amount of data to the end of a slice
diff --git a/include/grpc/impl/codegen/status.h b/include/grpc/impl/codegen/status.h
index 814bb4c92ccadc889f0ca7b64f245f067da12e7c..29e4570f7ce7eeecc2fc621b179d20250044eefe 100644
--- a/include/grpc/impl/codegen/status.h
+++ b/include/grpc/impl/codegen/status.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/sync_generic.h b/include/grpc/impl/codegen/sync_generic.h
index 71443b5794f08eadd205ea7f9de65ededfdad559..75e85ae736c3a30f8b4b55f074501658724bd7e0 100644
--- a/include/grpc/impl/codegen/sync_generic.h
+++ b/include/grpc/impl/codegen/sync_generic.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/sync_posix.h b/include/grpc/impl/codegen/sync_posix.h
index f6e0a91816dcf7b0ebfbc38085e87bc8e07f5bdd..3d08cc35e8d53060829b84d573f073088bcf0d31 100644
--- a/include/grpc/impl/codegen/sync_posix.h
+++ b/include/grpc/impl/codegen/sync_posix.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/sync_win32.h b/include/grpc/impl/codegen/sync_win32.h
index 1a6596c571ab47b0923fc0cd9ec5603f73a24542..bdc43dd99a3d0e9c1b4fa26dbda249ad69e8c547 100644
--- a/include/grpc/impl/codegen/sync_win32.h
+++ b/include/grpc/impl/codegen/sync_win32.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/time.h b/include/grpc/impl/codegen/time.h
index c22bedfe77c0dc6eb98dd7d3ec3b8ef4935e5b78..381e2672593a62c5db18803d0424490a3fd88b1d 100644
--- a/include/grpc/impl/codegen/time.h
+++ b/include/grpc/impl/codegen/time.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -88,8 +88,8 @@ GPRAPI void gpr_time_init(void);
 GPRAPI gpr_timespec gpr_now(gpr_clock_type clock);
 
 /* Convert a timespec from one clock to another */
-GPRAPI gpr_timespec
-gpr_convert_clock_type(gpr_timespec t, gpr_clock_type target_clock);
+GPRAPI gpr_timespec gpr_convert_clock_type(gpr_timespec t,
+                                           gpr_clock_type target_clock);
 
 /* Return -ve, 0, or +ve according to whether a < b, a == b, or a > b
    respectively.  */
diff --git a/include/grpc/status.h b/include/grpc/status.h
index 3889a1648609bec8aef52404ba04166a0fbeaaa9..67719b5e2e6fa8cb767f6ce335cb5c937546cdf1 100644
--- a/include/grpc/status.h
+++ b/include/grpc/status.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/alloc.h b/include/grpc/support/alloc.h
index 649cb2ba7a04d78fa7121b2e2ef2365c00fc9496..8d03af8424cee947f19a23aae0610bf408e7624d 100644
--- a/include/grpc/support/alloc.h
+++ b/include/grpc/support/alloc.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/atm.h b/include/grpc/support/atm.h
index 37975db8f4e766416dcc433869a7fec6c08990c9..a52e2fb4ef6fff56ab4507349abaeb0fa702e25b 100644
--- a/include/grpc/support/atm.h
+++ b/include/grpc/support/atm.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/atm_gcc_atomic.h b/include/grpc/support/atm_gcc_atomic.h
index 7e1f7fd55a575b991d7945aeb532acdc23a6f43c..ceda791dfcc9a9759efd8d4dc3fbe960de411b96 100644
--- a/include/grpc/support/atm_gcc_atomic.h
+++ b/include/grpc/support/atm_gcc_atomic.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPC_IMPL_CODEGEN_ATM_GCC_ATOMIC_H
-#define GRPC_IMPL_CODEGEN_ATM_GCC_ATOMIC_H
+#ifndef GRPC_SUPPORT_ATM_GCC_ATOMIC_H
+#define GRPC_SUPPORT_ATM_GCC_ATOMIC_H
 
 #include <grpc/impl/codegen/atm_gcc_atomic.h>
 
-#endif /* GRPC_IMPL_CODEGEN_ATM_GCC_ATOMIC_H */
+#endif /* GRPC_SUPPORT_ATM_GCC_ATOMIC_H */
diff --git a/include/grpc/support/atm_gcc_sync.h b/include/grpc/support/atm_gcc_sync.h
index 4a61dbd4a5edf79ea6b1f4419f3496b9fc0c8c7e..b996d4a737f1478defbe957f45e1a448080ee7d2 100644
--- a/include/grpc/support/atm_gcc_sync.h
+++ b/include/grpc/support/atm_gcc_sync.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/atm_win32.h b/include/grpc/support/atm_win32.h
index ebb6a674a2e706d450596c195e1d0bcaf68c6275..13526d9f3e34bb4ea7a6ac8fd8dfaf4a2b630e12 100644
--- a/include/grpc/support/atm_win32.h
+++ b/include/grpc/support/atm_win32.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/avl.h b/include/grpc/support/avl.h
index 2fe2d0b9d07749a3add09b2905fd164b302433d8..d71592dcbc12621167e6a8d2d1dcf38ae5a5b1a2 100644
--- a/include/grpc/support/avl.h
+++ b/include/grpc/support/avl.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/cmdline.h b/include/grpc/support/cmdline.h
index 55e2ffdffe6c46799da39e12a962de6fc55ba4c6..5b7bc825949af20dc40ef0fa77b7056c12b245fa 100644
--- a/include/grpc/support/cmdline.h
+++ b/include/grpc/support/cmdline.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/cpu.h b/include/grpc/support/cpu.h
index 3ca83b5a0d679437ba22e0883ac4f30a6458448b..6734feb391b77e92211b6a847e75bba755da9af0 100644
--- a/include/grpc/support/cpu.h
+++ b/include/grpc/support/cpu.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/histogram.h b/include/grpc/support/histogram.h
index c34c8c840716b2ee7130a7c5f7d708ecf381c43e..c5450385284e07c8f43a136d5c48804ee11112a6 100644
--- a/include/grpc/support/histogram.h
+++ b/include/grpc/support/histogram.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/host_port.h b/include/grpc/support/host_port.h
index 53cc917acb4b6d273c7ce99c5d03d2d4c615196c..15819543a9125daca2b53d83b8dde996b59f5753 100644
--- a/include/grpc/support/host_port.h
+++ b/include/grpc/support/host_port.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/log.h b/include/grpc/support/log.h
index e6f6dd931cd992b885f6d50e99cf555548164fa9..3fdba049430671b525d43ec51ebdfd84d96732c1 100644
--- a/include/grpc/support/log.h
+++ b/include/grpc/support/log.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/log_win32.h b/include/grpc/support/log_win32.h
index 49c9ab0f91436b25fbe26e1b9169173a1ae3c601..e5c25e06fc7f422b2604ef1750ed51dc76486dce 100644
--- a/include/grpc/support/log_win32.h
+++ b/include/grpc/support/log_win32.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/port_platform.h b/include/grpc/support/port_platform.h
index 6b14f8b0b0eaed7b74f3b3182864853f665f47f7..7465a0e45032c97c86188080cbbabc5af1b98dee 100644
--- a/include/grpc/support/port_platform.h
+++ b/include/grpc/support/port_platform.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/slice.h b/include/grpc/support/slice.h
index b3a73b2c99ffcb1d51ea59083688dcbf0c1414ee..b45db03389129bfe2590fb8c481670a627db6984 100644
--- a/include/grpc/support/slice.h
+++ b/include/grpc/support/slice.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/slice_buffer.h b/include/grpc/support/slice_buffer.h
index 7bee4dde346cce94622b1b76eeed9c5c94ca973c..cf7a89f8f10164518c1de6fa29326e9c65dc827b 100644
--- a/include/grpc/support/slice_buffer.h
+++ b/include/grpc/support/slice_buffer.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/string_util.h b/include/grpc/support/string_util.h
index 6fc38cb191fa62d2f6418a55915c79099b89bba0..f981bc0db0bd7c090f6e270b0a2a709f4af1233b 100644
--- a/include/grpc/support/string_util.h
+++ b/include/grpc/support/string_util.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,6 +34,8 @@
 #ifndef GRPC_SUPPORT_STRING_UTIL_H
 #define GRPC_SUPPORT_STRING_UTIL_H
 
+#include <grpc/support/port_platform.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/include/grpc/support/subprocess.h b/include/grpc/support/subprocess.h
index 6a4946014bed5bee01cccf76af4a5c69fba8257f..2baa43ece2b396af773941779ef66ce9b1d7dcbc 100644
--- a/include/grpc/support/subprocess.h
+++ b/include/grpc/support/subprocess.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -56,4 +56,4 @@ GPRAPI void gpr_subprocess_interrupt(gpr_subprocess *p);
 }  // extern "C"
 #endif
 
-#endif
+#endif /* GRPC_SUPPORT_SUBPROCESS_H */
diff --git a/include/grpc/support/sync.h b/include/grpc/support/sync.h
index 89cc76f7848f34a3f7f56c1a87eeb8c7b33a93f2..a0145803c202db42b6c10503f9ab74cfca493b96 100644
--- a/include/grpc/support/sync.h
+++ b/include/grpc/support/sync.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/sync_generic.h b/include/grpc/support/sync_generic.h
index 28e3ab647be0b0d7cc0fecca5d8d4ec6d88df829..d74b5d8e8bb97dd6d6110b009778347ca9a2ac1a 100644
--- a/include/grpc/support/sync_generic.h
+++ b/include/grpc/support/sync_generic.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/sync_posix.h b/include/grpc/support/sync_posix.h
index fa0324fbfa238056ebe73fe816c6f9c2fbdb6cd4..19aca03f0666ae89d8321f645cefc802c2e6a79f 100644
--- a/include/grpc/support/sync_posix.h
+++ b/include/grpc/support/sync_posix.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/sync_win32.h b/include/grpc/support/sync_win32.h
index bfbc99e9712495fd45b9f71fbd5fcf5bae41d931..5631c5297446730a23da165800789ff86b086784 100644
--- a/include/grpc/support/sync_win32.h
+++ b/include/grpc/support/sync_win32.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/thd.h b/include/grpc/support/thd.h
index abe57ebefb8f3844a2a4f389b6407013595f3d8e..05142887932506421b22469a267510ab8b2d63c7 100644
--- a/include/grpc/support/thd.h
+++ b/include/grpc/support/thd.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/time.h b/include/grpc/support/time.h
index 2c7f8533a2b1a4844e92617f5744903a93c376f1..b3f2f8cd44f3f737ae37587bb2d34805e3400452 100644
--- a/include/grpc/support/time.h
+++ b/include/grpc/support/time.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/support/tls.h b/include/grpc/support/tls.h
index 43addc7f14556c8cb2832591b8eed4e9f5a77ca6..a45e1f0a4d557502966ba0b8dba94528ce0370ef 100644
--- a/include/grpc/support/tls.h
+++ b/include/grpc/support/tls.h
@@ -74,4 +74,4 @@
 #include <grpc/support/tls_pthread.h>
 #endif
 
-#endif
+#endif /* GRPC_SUPPORT_TLS_H */
diff --git a/include/grpc/support/tls_gcc.h b/include/grpc/support/tls_gcc.h
index a697ad05b0b92954c93056ccca365cfc73845159..a47275f6f4ad705533c3877a907be4ff60e24fb0 100644
--- a/include/grpc/support/tls_gcc.h
+++ b/include/grpc/support/tls_gcc.h
@@ -34,9 +34,51 @@
 #ifndef GRPC_SUPPORT_TLS_GCC_H
 #define GRPC_SUPPORT_TLS_GCC_H
 
+#include <stdbool.h>
+
+#include <grpc/support/log.h>
+
 /* Thread local storage based on gcc compiler primitives.
    #include tls.h to use this - and see that file for documentation */
 
+#ifndef NDEBUG
+
+struct gpr_gcc_thread_local {
+  intptr_t value;
+  bool *inited;
+};
+
+#define GPR_TLS_DECL(name)           \
+  static bool name##_inited = false; \
+  static __thread struct gpr_gcc_thread_local name = {0, &(name##_inited)}
+
+#define gpr_tls_init(tls)                  \
+  do {                                     \
+    GPR_ASSERT(*((tls)->inited) == false); \
+    *((tls)->inited) = true;               \
+  } while (0)
+
+/* It is allowed to call gpr_tls_init after gpr_tls_destroy is called. */
+#define gpr_tls_destroy(tls)      \
+  do {                            \
+    GPR_ASSERT(*((tls)->inited)); \
+    *((tls)->inited) = false;     \
+  } while (0)
+
+#define gpr_tls_set(tls, new_value) \
+  do {                              \
+    GPR_ASSERT(*((tls)->inited));   \
+    (tls)->value = (new_value);     \
+  } while (0)
+
+#define gpr_tls_get(tls)          \
+  ({                              \
+    GPR_ASSERT(*((tls)->inited)); \
+    (tls)->value;                 \
+  })
+
+#else /* NDEBUG */
+
 struct gpr_gcc_thread_local {
   intptr_t value;
 };
@@ -53,4 +95,6 @@ struct gpr_gcc_thread_local {
 #define gpr_tls_set(tls, new_value) (((tls)->value) = (new_value))
 #define gpr_tls_get(tls) ((tls)->value)
 
-#endif
+#endif /* NDEBUG */
+
+#endif /* GRPC_SUPPORT_TLS_GCC_H */
diff --git a/include/grpc/support/tls_msvc.h b/include/grpc/support/tls_msvc.h
index 987a514f0371c6661516f425b5a74350f833cb84..efc653b4e451aea0d525f222b32bf70621075748 100644
--- a/include/grpc/support/tls_msvc.h
+++ b/include/grpc/support/tls_msvc.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_SUPPORT_TLS_GCC_H
-#define GRPC_SUPPORT_TLS_GCC_H
+#ifndef GRPC_SUPPORT_TLS_MSVC_H
+#define GRPC_SUPPORT_TLS_MSVC_H
 
 /* Thread local storage based on ms visual c compiler primitives.
    #include tls.h to use this - and see that file for documentation */
@@ -53,4 +53,4 @@ struct gpr_msvc_thread_local {
 #define gpr_tls_set(tls, new_value) (((tls)->value) = (new_value))
 #define gpr_tls_get(tls) ((tls)->value)
 
-#endif
+#endif /* GRPC_SUPPORT_TLS_MSVC_H */
diff --git a/include/grpc/support/tls_pthread.h b/include/grpc/support/tls_pthread.h
index 699ee6b1d382c3c481b8f4e8d954546a9f52d27a..e681da2ecd8b79c69d25e7917becb9be91e1d92d 100644
--- a/include/grpc/support/tls_pthread.h
+++ b/include/grpc/support/tls_pthread.h
@@ -57,4 +57,4 @@ intptr_t gpr_tls_set(struct gpr_pthread_thread_local *tls, intptr_t value);
 }
 #endif
 
-#endif
+#endif /* GRPC_SUPPORT_TLS_PTHREAD_H */
diff --git a/include/grpc/support/useful.h b/include/grpc/support/useful.h
index a0e76da29efa1ea35c53754f8cc8fb357a487575..003e096cf9a43f96ae1838fb1a44a64576a63da9 100644
--- a/include/grpc/support/useful.h
+++ b/include/grpc/support/useful.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/package.json b/package.json
index cd9668a1b0e2b6c8e295107d384810112e6a8da3..5ed7f363d37f9a1760afaab81a324a854a4c257a 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "lib": "src/node/src"
   },
   "scripts": {
-    "lint": "node ./node_modules/jshint/bin/jshint src/node/src src/node/test src/node/interop src/node/index.js",
+    "lint": "node ./node_modules/jshint/bin/jshint src/node/src src/node/test src/node/interop src/node/index.js --exclude-path=src/node/.jshintignore",
     "test": "./node_modules/.bin/mocha src/node/test && npm run-script lint",
     "gen_docs": "./node_modules/.bin/jsdoc -c src/node/jsdoc_conf.json",
     "coverage": "./node_modules/.bin/istanbul cover ./node_modules/.bin/_mocha src/node/test",
@@ -27,6 +27,7 @@
   },
   "bundledDependencies": ["node-pre-gyp"],
   "dependencies": {
+    "arguejs": "^0.2.3",
     "lodash": "^3.9.3",
     "nan": "^2.0.0",
     "protobufjs": "^4.0.0"
@@ -34,6 +35,7 @@
   "devDependencies": {
     "async": "^1.5.0",
     "google-auth-library": "^0.9.2",
+    "google-protobuf": "^3.0.0-alpha.5",
     "istanbul": "^0.3.21",
     "jsdoc": "^3.3.2",
     "jshint": "^2.5.0",
@@ -60,868 +62,36 @@
     "src/node/health_check",
     "src/proto",
     "etc",
-    "src/node/ext/byte_buffer.h",
-    "src/node/ext/call.h",
-    "src/node/ext/call_credentials.h",
-    "src/node/ext/channel.h",
-    "src/node/ext/channel_credentials.h",
-    "src/node/ext/completion_queue_async_worker.h",
-    "src/node/ext/server.h",
-    "src/node/ext/server_credentials.h",
-    "src/node/ext/timeval.h",
-    "src/node/ext/byte_buffer.cc",
-    "src/node/ext/call.cc",
-    "src/node/ext/call_credentials.cc",
-    "src/node/ext/channel.cc",
-    "src/node/ext/channel_credentials.cc",
-    "src/node/ext/completion_queue_async_worker.cc",
-    "src/node/ext/node_grpc.cc",
-    "src/node/ext/server.cc",
-    "src/node/ext/server_credentials.cc",
-    "src/node/ext/timeval.cc",
     "src/node/index.js",
-    "src/node/src/client.js",
-    "src/node/src/common.js",
-    "src/node/src/credentials.js",
-    "src/node/src/grpc_extension.js",
-    "src/node/src/metadata.js",
-    "src/node/src/server.js",
-    "include/grpc/grpc_security.h",
-    "include/grpc/byte_buffer.h",
-    "include/grpc/byte_buffer_reader.h",
-    "include/grpc/compression.h",
-    "include/grpc/grpc.h",
-    "include/grpc/status.h",
-    "include/grpc/impl/codegen/byte_buffer.h",
-    "include/grpc/impl/codegen/compression_types.h",
-    "include/grpc/impl/codegen/connectivity_state.h",
-    "include/grpc/impl/codegen/grpc_types.h",
-    "include/grpc/impl/codegen/propagation_bits.h",
-    "include/grpc/impl/codegen/status.h",
-    "include/grpc/census.h",
-    "src/core/census/grpc_filter.h",
-    "src/core/channel/channel_args.h",
-    "src/core/channel/channel_stack.h",
-    "src/core/channel/client_channel.h",
-    "src/core/channel/client_uchannel.h",
-    "src/core/channel/compress_filter.h",
-    "src/core/channel/connected_channel.h",
-    "src/core/channel/context.h",
-    "src/core/channel/http_client_filter.h",
-    "src/core/channel/http_server_filter.h",
-    "src/core/channel/subchannel_call_holder.h",
-    "src/core/client_config/client_config.h",
-    "src/core/client_config/connector.h",
-    "src/core/client_config/initial_connect_string.h",
-    "src/core/client_config/lb_policies/load_balancer_api.h",
-    "src/core/client_config/lb_policies/pick_first.h",
-    "src/core/client_config/lb_policies/round_robin.h",
-    "src/core/client_config/lb_policy.h",
-    "src/core/client_config/lb_policy_factory.h",
-    "src/core/client_config/lb_policy_registry.h",
-    "src/core/client_config/resolver.h",
-    "src/core/client_config/resolver_factory.h",
-    "src/core/client_config/resolver_registry.h",
-    "src/core/client_config/resolvers/dns_resolver.h",
-    "src/core/client_config/resolvers/sockaddr_resolver.h",
-    "src/core/client_config/subchannel.h",
-    "src/core/client_config/subchannel_factory.h",
-    "src/core/client_config/subchannel_index.h",
-    "src/core/client_config/uri_parser.h",
-    "src/core/compression/algorithm_metadata.h",
-    "src/core/compression/message_compress.h",
-    "src/core/debug/trace.h",
-    "src/core/httpcli/format_request.h",
-    "src/core/httpcli/httpcli.h",
-    "src/core/httpcli/parser.h",
-    "src/core/iomgr/closure.h",
-    "src/core/iomgr/endpoint.h",
-    "src/core/iomgr/endpoint_pair.h",
-    "src/core/iomgr/exec_ctx.h",
-    "src/core/iomgr/executor.h",
-    "src/core/iomgr/fd_posix.h",
-    "src/core/iomgr/iocp_windows.h",
-    "src/core/iomgr/iomgr.h",
-    "src/core/iomgr/iomgr_internal.h",
-    "src/core/iomgr/iomgr_posix.h",
-    "src/core/iomgr/pollset.h",
-    "src/core/iomgr/pollset_posix.h",
-    "src/core/iomgr/pollset_set.h",
-    "src/core/iomgr/pollset_set_posix.h",
-    "src/core/iomgr/pollset_set_windows.h",
-    "src/core/iomgr/pollset_windows.h",
-    "src/core/iomgr/resolve_address.h",
-    "src/core/iomgr/sockaddr.h",
-    "src/core/iomgr/sockaddr_posix.h",
-    "src/core/iomgr/sockaddr_utils.h",
-    "src/core/iomgr/sockaddr_win32.h",
-    "src/core/iomgr/socket_utils_posix.h",
-    "src/core/iomgr/socket_windows.h",
-    "src/core/iomgr/tcp_client.h",
-    "src/core/iomgr/tcp_posix.h",
-    "src/core/iomgr/tcp_server.h",
-    "src/core/iomgr/tcp_windows.h",
-    "src/core/iomgr/time_averaged_stats.h",
-    "src/core/iomgr/timer.h",
-    "src/core/iomgr/timer_heap.h",
-    "src/core/iomgr/udp_server.h",
-    "src/core/iomgr/wakeup_fd_pipe.h",
-    "src/core/iomgr/wakeup_fd_posix.h",
-    "src/core/iomgr/workqueue.h",
-    "src/core/iomgr/workqueue_posix.h",
-    "src/core/iomgr/workqueue_windows.h",
-    "src/core/json/json.h",
-    "src/core/json/json_common.h",
-    "src/core/json/json_reader.h",
-    "src/core/json/json_writer.h",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.h",
-    "src/core/statistics/census_interface.h",
-    "src/core/statistics/census_rpc_stats.h",
-    "src/core/surface/api_trace.h",
-    "src/core/surface/call.h",
-    "src/core/surface/call_test_only.h",
-    "src/core/surface/channel.h",
-    "src/core/surface/completion_queue.h",
-    "src/core/surface/event_string.h",
-    "src/core/surface/init.h",
-    "src/core/surface/server.h",
-    "src/core/surface/surface_trace.h",
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-    "src/core/transport/chttp2/alpn.h",
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-    "src/core/security/json_token.h",
-    "src/core/security/jwt_verifier.h",
-    "src/core/security/secure_endpoint.h",
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-    "src/core/iomgr/pollset_windows.c",
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-    "src/core/json/json_reader.c",
-    "src/core/json/json_string.c",
-    "src/core/json/json_writer.c",
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-    "src/core/transport/chttp2/huffsyms.c",
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-    "src/core/transport/metadata_batch.c",
-    "src/core/transport/static_metadata.c",
-    "src/core/transport/transport.c",
-    "src/core/transport/transport_op_string.c",
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-    "src/core/security/b64.c",
-    "src/core/security/client_auth_filter.c",
-    "src/core/security/credentials.c",
-    "src/core/security/credentials_metadata.c",
-    "src/core/security/credentials_posix.c",
-    "src/core/security/credentials_win32.c",
-    "src/core/security/google_default_credentials.c",
-    "src/core/security/handshake.c",
-    "src/core/security/json_token.c",
-    "src/core/security/jwt_verifier.c",
-    "src/core/security/secure_endpoint.c",
-    "src/core/security/security_connector.c",
-    "src/core/security/security_context.c",
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-    "third_party/boringssl/include/openssl/pem.h",
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-    "src/boringssl/err_data.c",
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-    "third_party/boringssl/crypto/asn1/a_bool.c",
-    "third_party/boringssl/crypto/asn1/a_bytes.c",
-    "third_party/boringssl/crypto/asn1/a_d2i_fp.c",
-    "third_party/boringssl/crypto/asn1/a_dup.c",
-    "third_party/boringssl/crypto/asn1/a_enum.c",
-    "third_party/boringssl/crypto/asn1/a_gentm.c",
-    "third_party/boringssl/crypto/asn1/a_i2d_fp.c",
-    "third_party/boringssl/crypto/asn1/a_int.c",
-    "third_party/boringssl/crypto/asn1/a_mbstr.c",
-    "third_party/boringssl/crypto/asn1/a_object.c",
-    "third_party/boringssl/crypto/asn1/a_octet.c",
-    "third_party/boringssl/crypto/asn1/a_print.c",
-    "third_party/boringssl/crypto/asn1/a_strnid.c",
-    "third_party/boringssl/crypto/asn1/a_time.c",
-    "third_party/boringssl/crypto/asn1/a_type.c",
-    "third_party/boringssl/crypto/asn1/a_utctm.c",
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-    "third_party/boringssl/crypto/asn1/bio_asn1.c",
-    "third_party/boringssl/crypto/asn1/bio_ndef.c",
-    "third_party/boringssl/crypto/asn1/f_enum.c",
-    "third_party/boringssl/crypto/asn1/f_int.c",
-    "third_party/boringssl/crypto/asn1/f_string.c",
-    "third_party/boringssl/crypto/asn1/t_bitst.c",
-    "third_party/boringssl/crypto/asn1/t_pkey.c",
-    "third_party/boringssl/crypto/asn1/tasn_dec.c",
-    "third_party/boringssl/crypto/asn1/tasn_enc.c",
-    "third_party/boringssl/crypto/asn1/tasn_fre.c",
-    "third_party/boringssl/crypto/asn1/tasn_new.c",
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-    "third_party/boringssl/crypto/asn1/tasn_typ.c",
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-    "third_party/boringssl/crypto/asn1/x_bignum.c",
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-    "third_party/boringssl/crypto/bio/socket_helper.c",
-    "third_party/boringssl/crypto/bn/add.c",
-    "third_party/boringssl/crypto/bn/asm/x86_64-gcc.c",
-    "third_party/boringssl/crypto/bn/bn.c",
-    "third_party/boringssl/crypto/bn/bn_asn1.c",
-    "third_party/boringssl/crypto/bn/cmp.c",
-    "third_party/boringssl/crypto/bn/convert.c",
-    "third_party/boringssl/crypto/bn/ctx.c",
-    "third_party/boringssl/crypto/bn/div.c",
-    "third_party/boringssl/crypto/bn/exponentiation.c",
-    "third_party/boringssl/crypto/bn/gcd.c",
-    "third_party/boringssl/crypto/bn/generic.c",
-    "third_party/boringssl/crypto/bn/kronecker.c",
-    "third_party/boringssl/crypto/bn/montgomery.c",
-    "third_party/boringssl/crypto/bn/mul.c",
-    "third_party/boringssl/crypto/bn/prime.c",
-    "third_party/boringssl/crypto/bn/random.c",
-    "third_party/boringssl/crypto/bn/rsaz_exp.c",
-    "third_party/boringssl/crypto/bn/shift.c",
-    "third_party/boringssl/crypto/bn/sqrt.c",
-    "third_party/boringssl/crypto/buf/buf.c",
-    "third_party/boringssl/crypto/bytestring/ber.c",
-    "third_party/boringssl/crypto/bytestring/cbb.c",
-    "third_party/boringssl/crypto/bytestring/cbs.c",
-    "third_party/boringssl/crypto/chacha/chacha_generic.c",
-    "third_party/boringssl/crypto/chacha/chacha_vec.c",
-    "third_party/boringssl/crypto/cipher/aead.c",
-    "third_party/boringssl/crypto/cipher/cipher.c",
-    "third_party/boringssl/crypto/cipher/derive_key.c",
-    "third_party/boringssl/crypto/cipher/e_aes.c",
-    "third_party/boringssl/crypto/cipher/e_chacha20poly1305.c",
-    "third_party/boringssl/crypto/cipher/e_des.c",
-    "third_party/boringssl/crypto/cipher/e_null.c",
-    "third_party/boringssl/crypto/cipher/e_rc2.c",
-    "third_party/boringssl/crypto/cipher/e_rc4.c",
-    "third_party/boringssl/crypto/cipher/e_ssl3.c",
-    "third_party/boringssl/crypto/cipher/e_tls.c",
-    "third_party/boringssl/crypto/cipher/tls_cbc.c",
-    "third_party/boringssl/crypto/cmac/cmac.c",
-    "third_party/boringssl/crypto/conf/conf.c",
-    "third_party/boringssl/crypto/cpu-arm.c",
-    "third_party/boringssl/crypto/cpu-intel.c",
-    "third_party/boringssl/crypto/crypto.c",
-    "third_party/boringssl/crypto/curve25519/curve25519.c",
-    "third_party/boringssl/crypto/des/des.c",
-    "third_party/boringssl/crypto/dh/check.c",
-    "third_party/boringssl/crypto/dh/dh.c",
-    "third_party/boringssl/crypto/dh/dh_asn1.c",
-    "third_party/boringssl/crypto/dh/params.c",
-    "third_party/boringssl/crypto/digest/digest.c",
-    "third_party/boringssl/crypto/digest/digests.c",
-    "third_party/boringssl/crypto/directory_posix.c",
-    "third_party/boringssl/crypto/directory_win.c",
-    "third_party/boringssl/crypto/dsa/dsa.c",
-    "third_party/boringssl/crypto/dsa/dsa_asn1.c",
-    "third_party/boringssl/crypto/ec/ec.c",
-    "third_party/boringssl/crypto/ec/ec_asn1.c",
-    "third_party/boringssl/crypto/ec/ec_key.c",
-    "third_party/boringssl/crypto/ec/ec_montgomery.c",
-    "third_party/boringssl/crypto/ec/oct.c",
-    "third_party/boringssl/crypto/ec/p224-64.c",
-    "third_party/boringssl/crypto/ec/p256-64.c",
-    "third_party/boringssl/crypto/ec/p256-x86_64.c",
-    "third_party/boringssl/crypto/ec/simple.c",
-    "third_party/boringssl/crypto/ec/util-64.c",
-    "third_party/boringssl/crypto/ec/wnaf.c",
-    "third_party/boringssl/crypto/ecdh/ecdh.c",
-    "third_party/boringssl/crypto/ecdsa/ecdsa.c",
-    "third_party/boringssl/crypto/ecdsa/ecdsa_asn1.c",
-    "third_party/boringssl/crypto/engine/engine.c",
-    "third_party/boringssl/crypto/err/err.c",
-    "third_party/boringssl/crypto/evp/algorithm.c",
-    "third_party/boringssl/crypto/evp/digestsign.c",
-    "third_party/boringssl/crypto/evp/evp.c",
-    "third_party/boringssl/crypto/evp/evp_asn1.c",
-    "third_party/boringssl/crypto/evp/evp_ctx.c",
-    "third_party/boringssl/crypto/evp/p_dsa_asn1.c",
-    "third_party/boringssl/crypto/evp/p_ec.c",
-    "third_party/boringssl/crypto/evp/p_ec_asn1.c",
-    "third_party/boringssl/crypto/evp/p_rsa.c",
-    "third_party/boringssl/crypto/evp/p_rsa_asn1.c",
-    "third_party/boringssl/crypto/evp/pbkdf.c",
-    "third_party/boringssl/crypto/evp/sign.c",
-    "third_party/boringssl/crypto/ex_data.c",
-    "third_party/boringssl/crypto/hkdf/hkdf.c",
-    "third_party/boringssl/crypto/hmac/hmac.c",
-    "third_party/boringssl/crypto/lhash/lhash.c",
-    "third_party/boringssl/crypto/md4/md4.c",
-    "third_party/boringssl/crypto/md5/md5.c",
-    "third_party/boringssl/crypto/mem.c",
-    "third_party/boringssl/crypto/modes/cbc.c",
-    "third_party/boringssl/crypto/modes/cfb.c",
-    "third_party/boringssl/crypto/modes/ctr.c",
-    "third_party/boringssl/crypto/modes/gcm.c",
-    "third_party/boringssl/crypto/modes/ofb.c",
-    "third_party/boringssl/crypto/obj/obj.c",
-    "third_party/boringssl/crypto/obj/obj_xref.c",
-    "third_party/boringssl/crypto/pem/pem_all.c",
-    "third_party/boringssl/crypto/pem/pem_info.c",
-    "third_party/boringssl/crypto/pem/pem_lib.c",
-    "third_party/boringssl/crypto/pem/pem_oth.c",
-    "third_party/boringssl/crypto/pem/pem_pk8.c",
-    "third_party/boringssl/crypto/pem/pem_pkey.c",
-    "third_party/boringssl/crypto/pem/pem_x509.c",
-    "third_party/boringssl/crypto/pem/pem_xaux.c",
-    "third_party/boringssl/crypto/pkcs8/p5_pbe.c",
-    "third_party/boringssl/crypto/pkcs8/p5_pbev2.c",
-    "third_party/boringssl/crypto/pkcs8/p8_pkey.c",
-    "third_party/boringssl/crypto/pkcs8/pkcs8.c",
-    "third_party/boringssl/crypto/poly1305/poly1305.c",
-    "third_party/boringssl/crypto/poly1305/poly1305_arm.c",
-    "third_party/boringssl/crypto/poly1305/poly1305_vec.c",
-    "third_party/boringssl/crypto/rand/rand.c",
-    "third_party/boringssl/crypto/rand/urandom.c",
-    "third_party/boringssl/crypto/rand/windows.c",
-    "third_party/boringssl/crypto/rc4/rc4.c",
-    "third_party/boringssl/crypto/refcount_c11.c",
-    "third_party/boringssl/crypto/refcount_lock.c",
-    "third_party/boringssl/crypto/rsa/blinding.c",
-    "third_party/boringssl/crypto/rsa/padding.c",
-    "third_party/boringssl/crypto/rsa/rsa.c",
-    "third_party/boringssl/crypto/rsa/rsa_asn1.c",
-    "third_party/boringssl/crypto/rsa/rsa_impl.c",
-    "third_party/boringssl/crypto/sha/sha1.c",
-    "third_party/boringssl/crypto/sha/sha256.c",
-    "third_party/boringssl/crypto/sha/sha512.c",
-    "third_party/boringssl/crypto/stack/stack.c",
-    "third_party/boringssl/crypto/thread.c",
-    "third_party/boringssl/crypto/thread_none.c",
-    "third_party/boringssl/crypto/thread_pthread.c",
-    "third_party/boringssl/crypto/thread_win.c",
-    "third_party/boringssl/crypto/time_support.c",
-    "third_party/boringssl/crypto/x509/a_digest.c",
-    "third_party/boringssl/crypto/x509/a_sign.c",
-    "third_party/boringssl/crypto/x509/a_strex.c",
-    "third_party/boringssl/crypto/x509/a_verify.c",
-    "third_party/boringssl/crypto/x509/asn1_gen.c",
-    "third_party/boringssl/crypto/x509/by_dir.c",
-    "third_party/boringssl/crypto/x509/by_file.c",
-    "third_party/boringssl/crypto/x509/i2d_pr.c",
-    "third_party/boringssl/crypto/x509/pkcs7.c",
-    "third_party/boringssl/crypto/x509/t_crl.c",
-    "third_party/boringssl/crypto/x509/t_req.c",
-    "third_party/boringssl/crypto/x509/t_x509.c",
-    "third_party/boringssl/crypto/x509/t_x509a.c",
-    "third_party/boringssl/crypto/x509/x509.c",
-    "third_party/boringssl/crypto/x509/x509_att.c",
-    "third_party/boringssl/crypto/x509/x509_cmp.c",
-    "third_party/boringssl/crypto/x509/x509_d2.c",
-    "third_party/boringssl/crypto/x509/x509_def.c",
-    "third_party/boringssl/crypto/x509/x509_ext.c",
-    "third_party/boringssl/crypto/x509/x509_lu.c",
-    "third_party/boringssl/crypto/x509/x509_obj.c",
-    "third_party/boringssl/crypto/x509/x509_r2x.c",
-    "third_party/boringssl/crypto/x509/x509_req.c",
-    "third_party/boringssl/crypto/x509/x509_set.c",
-    "third_party/boringssl/crypto/x509/x509_trs.c",
-    "third_party/boringssl/crypto/x509/x509_txt.c",
-    "third_party/boringssl/crypto/x509/x509_v3.c",
-    "third_party/boringssl/crypto/x509/x509_vfy.c",
-    "third_party/boringssl/crypto/x509/x509_vpm.c",
-    "third_party/boringssl/crypto/x509/x509cset.c",
-    "third_party/boringssl/crypto/x509/x509name.c",
-    "third_party/boringssl/crypto/x509/x509rset.c",
-    "third_party/boringssl/crypto/x509/x509spki.c",
-    "third_party/boringssl/crypto/x509/x509type.c",
-    "third_party/boringssl/crypto/x509/x_algor.c",
-    "third_party/boringssl/crypto/x509/x_all.c",
-    "third_party/boringssl/crypto/x509/x_attrib.c",
-    "third_party/boringssl/crypto/x509/x_crl.c",
-    "third_party/boringssl/crypto/x509/x_exten.c",
-    "third_party/boringssl/crypto/x509/x_info.c",
-    "third_party/boringssl/crypto/x509/x_name.c",
-    "third_party/boringssl/crypto/x509/x_pkey.c",
-    "third_party/boringssl/crypto/x509/x_pubkey.c",
-    "third_party/boringssl/crypto/x509/x_req.c",
-    "third_party/boringssl/crypto/x509/x_sig.c",
-    "third_party/boringssl/crypto/x509/x_spki.c",
-    "third_party/boringssl/crypto/x509/x_val.c",
-    "third_party/boringssl/crypto/x509/x_x509.c",
-    "third_party/boringssl/crypto/x509/x_x509a.c",
-    "third_party/boringssl/crypto/x509v3/pcy_cache.c",
-    "third_party/boringssl/crypto/x509v3/pcy_data.c",
-    "third_party/boringssl/crypto/x509v3/pcy_lib.c",
-    "third_party/boringssl/crypto/x509v3/pcy_map.c",
-    "third_party/boringssl/crypto/x509v3/pcy_node.c",
-    "third_party/boringssl/crypto/x509v3/pcy_tree.c",
-    "third_party/boringssl/crypto/x509v3/v3_akey.c",
-    "third_party/boringssl/crypto/x509v3/v3_akeya.c",
-    "third_party/boringssl/crypto/x509v3/v3_alt.c",
-    "third_party/boringssl/crypto/x509v3/v3_bcons.c",
-    "third_party/boringssl/crypto/x509v3/v3_bitst.c",
-    "third_party/boringssl/crypto/x509v3/v3_conf.c",
-    "third_party/boringssl/crypto/x509v3/v3_cpols.c",
-    "third_party/boringssl/crypto/x509v3/v3_crld.c",
-    "third_party/boringssl/crypto/x509v3/v3_enum.c",
-    "third_party/boringssl/crypto/x509v3/v3_extku.c",
-    "third_party/boringssl/crypto/x509v3/v3_genn.c",
-    "third_party/boringssl/crypto/x509v3/v3_ia5.c",
-    "third_party/boringssl/crypto/x509v3/v3_info.c",
-    "third_party/boringssl/crypto/x509v3/v3_int.c",
-    "third_party/boringssl/crypto/x509v3/v3_lib.c",
-    "third_party/boringssl/crypto/x509v3/v3_ncons.c",
-    "third_party/boringssl/crypto/x509v3/v3_pci.c",
-    "third_party/boringssl/crypto/x509v3/v3_pcia.c",
-    "third_party/boringssl/crypto/x509v3/v3_pcons.c",
-    "third_party/boringssl/crypto/x509v3/v3_pku.c",
-    "third_party/boringssl/crypto/x509v3/v3_pmaps.c",
-    "third_party/boringssl/crypto/x509v3/v3_prn.c",
-    "third_party/boringssl/crypto/x509v3/v3_purp.c",
-    "third_party/boringssl/crypto/x509v3/v3_skey.c",
-    "third_party/boringssl/crypto/x509v3/v3_sxnet.c",
-    "third_party/boringssl/crypto/x509v3/v3_utl.c",
-    "third_party/boringssl/ssl/custom_extensions.c",
-    "third_party/boringssl/ssl/d1_both.c",
-    "third_party/boringssl/ssl/d1_clnt.c",
-    "third_party/boringssl/ssl/d1_lib.c",
-    "third_party/boringssl/ssl/d1_meth.c",
-    "third_party/boringssl/ssl/d1_pkt.c",
-    "third_party/boringssl/ssl/d1_srtp.c",
-    "third_party/boringssl/ssl/d1_srvr.c",
-    "third_party/boringssl/ssl/dtls_record.c",
-    "third_party/boringssl/ssl/pqueue/pqueue.c",
-    "third_party/boringssl/ssl/s3_both.c",
-    "third_party/boringssl/ssl/s3_clnt.c",
-    "third_party/boringssl/ssl/s3_enc.c",
-    "third_party/boringssl/ssl/s3_lib.c",
-    "third_party/boringssl/ssl/s3_meth.c",
-    "third_party/boringssl/ssl/s3_pkt.c",
-    "third_party/boringssl/ssl/s3_srvr.c",
-    "third_party/boringssl/ssl/ssl_aead_ctx.c",
-    "third_party/boringssl/ssl/ssl_asn1.c",
-    "third_party/boringssl/ssl/ssl_buffer.c",
-    "third_party/boringssl/ssl/ssl_cert.c",
-    "third_party/boringssl/ssl/ssl_cipher.c",
-    "third_party/boringssl/ssl/ssl_file.c",
-    "third_party/boringssl/ssl/ssl_lib.c",
-    "third_party/boringssl/ssl/ssl_rsa.c",
-    "third_party/boringssl/ssl/ssl_session.c",
-    "third_party/boringssl/ssl/ssl_stat.c",
-    "third_party/boringssl/ssl/t1_enc.c",
-    "third_party/boringssl/ssl/t1_lib.c",
-    "third_party/boringssl/ssl/tls_record.c",
-    "include/grpc/support/alloc.h",
-    "include/grpc/support/atm.h",
-    "include/grpc/support/atm_gcc_atomic.h",
-    "include/grpc/support/atm_gcc_sync.h",
-    "include/grpc/support/atm_win32.h",
-    "include/grpc/support/avl.h",
-    "include/grpc/support/cmdline.h",
-    "include/grpc/support/cpu.h",
-    "include/grpc/support/histogram.h",
-    "include/grpc/support/host_port.h",
-    "include/grpc/support/log.h",
-    "include/grpc/support/log_win32.h",
-    "include/grpc/support/port_platform.h",
-    "include/grpc/support/slice.h",
-    "include/grpc/support/slice_buffer.h",
-    "include/grpc/support/string_util.h",
-    "include/grpc/support/subprocess.h",
-    "include/grpc/support/sync.h",
-    "include/grpc/support/sync_generic.h",
-    "include/grpc/support/sync_posix.h",
-    "include/grpc/support/sync_win32.h",
-    "include/grpc/support/thd.h",
-    "include/grpc/support/time.h",
-    "include/grpc/support/tls.h",
-    "include/grpc/support/tls_gcc.h",
-    "include/grpc/support/tls_msvc.h",
-    "include/grpc/support/tls_pthread.h",
-    "include/grpc/support/useful.h",
-    "include/grpc/impl/codegen/alloc.h",
-    "include/grpc/impl/codegen/atm.h",
-    "include/grpc/impl/codegen/atm_gcc_atomic.h",
-    "include/grpc/impl/codegen/atm_gcc_sync.h",
-    "include/grpc/impl/codegen/atm_win32.h",
-    "include/grpc/impl/codegen/log.h",
-    "include/grpc/impl/codegen/port_platform.h",
-    "include/grpc/impl/codegen/slice.h",
-    "include/grpc/impl/codegen/slice_buffer.h",
-    "include/grpc/impl/codegen/sync.h",
-    "include/grpc/impl/codegen/sync_generic.h",
-    "include/grpc/impl/codegen/sync_posix.h",
-    "include/grpc/impl/codegen/sync_win32.h",
-    "include/grpc/impl/codegen/time.h",
-    "src/core/profiling/timers.h",
-    "src/core/support/backoff.h",
-    "src/core/support/block_annotate.h",
-    "src/core/support/env.h",
-    "src/core/support/load_file.h",
-    "src/core/support/murmur_hash.h",
-    "src/core/support/stack_lockfree.h",
-    "src/core/support/string.h",
-    "src/core/support/string_win32.h",
-    "src/core/support/thd_internal.h",
-    "src/core/support/time_precise.h",
-    "src/core/support/tmpfile.h",
-    "src/core/profiling/basic_timers.c",
-    "src/core/profiling/stap_timers.c",
-    "src/core/support/alloc.c",
-    "src/core/support/avl.c",
-    "src/core/support/backoff.c",
-    "src/core/support/cmdline.c",
-    "src/core/support/cpu_iphone.c",
-    "src/core/support/cpu_linux.c",
-    "src/core/support/cpu_posix.c",
-    "src/core/support/cpu_windows.c",
-    "src/core/support/env_linux.c",
-    "src/core/support/env_posix.c",
-    "src/core/support/env_win32.c",
-    "src/core/support/histogram.c",
-    "src/core/support/host_port.c",
-    "src/core/support/load_file.c",
-    "src/core/support/log.c",
-    "src/core/support/log_android.c",
-    "src/core/support/log_linux.c",
-    "src/core/support/log_posix.c",
-    "src/core/support/log_win32.c",
-    "src/core/support/murmur_hash.c",
-    "src/core/support/slice.c",
-    "src/core/support/slice_buffer.c",
-    "src/core/support/stack_lockfree.c",
-    "src/core/support/string.c",
-    "src/core/support/string_posix.c",
-    "src/core/support/string_win32.c",
-    "src/core/support/subprocess_posix.c",
-    "src/core/support/subprocess_windows.c",
-    "src/core/support/sync.c",
-    "src/core/support/sync_posix.c",
-    "src/core/support/sync_win32.c",
-    "src/core/support/thd.c",
-    "src/core/support/thd_posix.c",
-    "src/core/support/thd_win32.c",
-    "src/core/support/time.c",
-    "src/core/support/time_posix.c",
-    "src/core/support/time_precise.c",
-    "src/core/support/time_win32.c",
-    "src/core/support/tls_pthread.c",
-    "src/core/support/tmpfile_posix.c",
-    "src/core/support/tmpfile_win32.c",
-    "src/core/support/wrap_memcpy.c",
+    "src/node/src",
+    "src/node/ext",
+    "include/grpc",
+    "src/core",
+    "third_party/nanopb",
+    "third_party/zlib",
+    "third_party/boringssl",
     "binding.gyp"
   ],
   "main": "src/node/index.js",
-  "license": "BSD-3-Clause"
+  "license": "BSD-3-Clause",
+  "jshintConfig" : {
+    "bitwise": true,
+    "curly": true,
+    "eqeqeq": true,
+    "esnext": true,
+    "freeze": true,
+    "immed": true,
+    "indent": 2,
+    "latedef": "nofunc",
+    "maxlen": 80,
+    "mocha": true,
+    "newcap": true,
+    "node": true,
+    "noarg": true,
+    "quotmark": "single",
+    "strict": true,
+    "trailing": true,
+    "undef": true,
+    "unused": "vars"
+  }
 }
diff --git a/package.xml b/package.xml
index 1e0bbc7e39747fb1324dc09a643f02298367bb9b..3ae810df5eb1109ca357d487d8af27da6f267976 100644
--- a/package.xml
+++ b/package.xml
@@ -10,7 +10,7 @@
   <email>grpc-packages@google.com</email>
   <active>yes</active>
  </lead>
- <date>2016-03-01</date>
+ <date>2016-04-19</date>
  <time>16:06:07</time>
  <version>
   <release>0.14.0</release>
@@ -22,7 +22,7 @@
  </stability>
  <license>BSD</license>
  <notes>
-- Increase unit test code coverage #5225
+- destroy grpc_byte_buffer after startBatch #6096
  </notes>
  <contents>
   <dir baseinstalldir="/" name="/">
@@ -92,63 +92,62 @@
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+    <file baseinstalldir="/" name="src/core/lib/support/time_precise.h" role="src" />
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+    <file baseinstalldir="/" name="src/core/lib/profiling/basic_timers.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/profiling/stap_timers.c" role="src" />
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+    <file baseinstalldir="/" name="src/core/lib/support/cpu_windows.c" role="src" />
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+    <file baseinstalldir="/" name="src/core/lib/support/log_android.c" role="src" />
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+    <file baseinstalldir="/" name="src/core/lib/support/stack_lockfree.c" role="src" />
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+    <file baseinstalldir="/" name="src/core/lib/support/time.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/support/time_posix.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/support/time_precise.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/support/time_win32.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/support/tls_pthread.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/support/tmpfile_posix.c" role="src" />
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+    <file baseinstalldir="/" name="src/core/ext/client_config/initial_connect_string.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/lb_policy.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/lb_policy_factory.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/lb_policy_registry.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/parse_address.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/resolver.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/resolver_factory.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/resolver_registry.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/subchannel.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/subchannel_call_holder.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/subchannel_index.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/uri_parser.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/server/insecure/server_chttp2.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/client/insecure/channel_create.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/lb_policy/grpclb/load_balancer_api.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c" role="src" />
     <file baseinstalldir="/" name="third_party/nanopb/pb_common.c" role="src" />
     <file baseinstalldir="/" name="third_party/nanopb/pb_decode.c" role="src" />
     <file baseinstalldir="/" name="third_party/nanopb/pb_encode.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/lb_policy/pick_first/pick_first.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/lb_policy/round_robin/round_robin.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/resolver/dns/native/dns_resolver.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/resolver/sockaddr/sockaddr_resolver.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/context.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/grpc_context.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/grpc_filter.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/grpc_plugin.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/initialize.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/mlog.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/operation.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/placeholders.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/tracing.c" role="src" />
+    <file baseinstalldir="/" name="src/core/plugin_registry/grpc_plugin_registry.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/aes/internal.h" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/asn1/asn1_locl.h" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/bio/internal.h" role="src" />
@@ -466,12 +486,12 @@
     <file baseinstalldir="/" name="third_party/boringssl/crypto/cipher/internal.h" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/conf/conf_def.h" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/conf/internal.h" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/curve25519/internal.h" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/des/internal.h" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/dh/internal.h" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/digest/internal.h" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/digest/md32_common.h" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/directory.h" role="src" />
-    <file baseinstalldir="/" name="third_party/boringssl/crypto/dsa/internal.h" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/ec/internal.h" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/ec/p256-x86_64-table.h" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/evp/internal.h" role="src" />
@@ -636,6 +656,7 @@
     <file baseinstalldir="/" name="third_party/boringssl/crypto/bn/shift.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/bn/sqrt.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/buf/buf.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/bytestring/asn1_compat.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/bytestring/ber.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/bytestring/cbb.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/bytestring/cbs.c" role="src" />
@@ -659,6 +680,7 @@
     <file baseinstalldir="/" name="third_party/boringssl/crypto/cpu-intel.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/crypto.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/curve25519/curve25519.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/crypto/curve25519/x25519-x86_64.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/des/des.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/dh/check.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/dh/dh.c" role="src" />
@@ -850,6 +872,7 @@
     <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_buffer.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_cert.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_cipher.c" role="src" />
+    <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_ecdh.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_file.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_lib.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/ssl/ssl_rsa.c" role="src" />
@@ -973,8 +996,8 @@ Update to wrap gRPC C Core version 0.10.0
   </release>
   <release>
    <version>
-    <release>0.14.0</release>
-    <api>0.14.0</api>
+    <release>0.8.1</release>
+    <api>0.8.1</api>
    </version>
    <stability>
     <release>beta</release>
@@ -986,5 +1009,20 @@ Update to wrap gRPC C Core version 0.10.0
 - Increase unit test code coverage #5225
    </notes>
   </release>
+  <release>
+   <version>
+    <release>0.14.0</release>
+    <api>0.14.0</api>
+   </version>
+   <stability>
+    <release>beta</release>
+    <api>beta</api>
+   </stability>
+   <date>2016-04-19</date>
+   <license>BSD</license>
+   <notes>
+- destroy grpc_byte_buffer after startBatch #6096
+   </notes>
+  </release>
  </changelog>
 </package>
diff --git a/requirements.txt b/requirements.txt
index e3208e6355646ea0748dcb11f23ae240086202c8..0ec0e75b762de9d07bb3256492f40a6d569a9cef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,8 @@
 # GRPC Python setup requirements
+coverage>=4.0
+cython>=0.23
 enum34>=1.0.4
 futures>=2.2.0
-cython>=0.23
-coverage>=4.0
+protobuf>=3.0.0a3
 six>=1.10
-wheel>=0.29
+wheel>=0.29
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 45ff2cec89b1f93007be535776e4d14f51c04451..cd0d3a1a51b366908314a0344e59074cc18edb6c 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -42,6 +42,7 @@ from setuptools.command import egg_info
 # Redirect the manifest template from MANIFEST.in to PYTHON-MANIFEST.in.
 egg_info.manifest_maker.template = 'PYTHON-MANIFEST.in'
 
+PY3 = sys.version_info.major == 3
 PYTHON_STEM = './src/python/grpcio'
 CORE_INCLUDE = ('./include', '.',)
 BORINGSSL_INCLUDE = ('./third_party/boringssl/include',)
@@ -103,10 +104,14 @@ if "linux" in sys.platform:
   LDFLAGS += ('-Wl,-wrap,memcpy',)
 if "linux" in sys.platform or "darwin" in sys.platform:
   CFLAGS += ('-fvisibility=hidden',)
-  DEFINE_MACROS += (('PyMODINIT_FUNC', '__attribute__((visibility ("default"))) void'),)
 
+  pymodinit_type = 'PyObject*' if PY3 else 'void'
 
-def cython_extensions(package_names, module_names, extra_sources, include_dirs,
+  pymodinit = '__attribute__((visibility ("default"))) {}'.format(pymodinit_type)
+  DEFINE_MACROS += (('PyMODINIT_FUNC', pymodinit),)
+
+
+def cython_extensions(module_names, extra_sources, include_dirs,
                       libraries, define_macros, build_with_cython=False):
   # Set compiler directives linetrace argument only if we care about tracing;
   # this is due to Cython having different behavior between linetrace being
@@ -139,7 +144,7 @@ def cython_extensions(package_names, module_names, extra_sources, include_dirs,
     return extensions
 
 CYTHON_EXTENSION_MODULES = cython_extensions(
-    list(CYTHON_EXTENSION_PACKAGE_NAMES), list(CYTHON_EXTENSION_MODULE_NAMES),
+    list(CYTHON_EXTENSION_MODULE_NAMES),
     list(CYTHON_HELPER_C_FILES) + list(CORE_C_FILES),
     list(EXTENSION_INCLUDE_DIRECTORIES), list(EXTENSION_LIBRARIES),
     list(DEFINE_MACROS), bool(BUILD_WITH_CYTHON))
diff --git a/src/boringssl/err_data.c b/src/boringssl/err_data.c
index 1a1d950419787ede33fd9dd7bf364105c4f2b2de..d4cc08bd99c648c7ff2307d85d6e6b6f5af340ac 100644
--- a/src/boringssl/err_data.c
+++ b/src/boringssl/err_data.c
@@ -54,30 +54,30 @@ OPENSSL_COMPILE_ASSERT(ERR_LIB_USER == 32, library_values_changed_32);
 OPENSSL_COMPILE_ASSERT(ERR_NUM_LIBS == 33, library_values_changed_num);
 
 const uint32_t kOpenSSLReasonValues[] = {
-    0xc3207ba,
-    0xc3287d4,
-    0xc3307e3,
-    0xc3387f3,
-    0xc340802,
-    0xc34881b,
-    0xc350827,
-    0xc358844,
-    0xc360856,
-    0xc368864,
-    0xc370874,
-    0xc378881,
-    0xc380891,
-    0xc38889c,
-    0xc3908b2,
-    0xc3988c1,
-    0xc3a08d5,
-    0xc3a87c7,
+    0xc3207ab,
+    0xc3287c5,
+    0xc3307d4,
+    0xc3387e4,
+    0xc3407f3,
+    0xc34880c,
+    0xc350818,
+    0xc358835,
+    0xc360847,
+    0xc368855,
+    0xc370865,
+    0xc378872,
+    0xc380882,
+    0xc38888d,
+    0xc3908a3,
+    0xc3988b2,
+    0xc3a08c6,
+    0xc3a87b8,
     0xc3b00b0,
-    0x10321478,
-    0x10329484,
-    0x1033149d,
-    0x103394b0,
-    0x10340de1,
+    0x10321484,
+    0x10329490,
+    0x103314a9,
+    0x103394bc,
+    0x10340ded,
     0x103494cf,
     0x103514e4,
     0x10359516,
@@ -97,7 +97,7 @@ const uint32_t kOpenSSLReasonValues[] = {
     0x103c9658,
     0x103d166f,
     0x103d9682,
-    0x103e0b6c,
+    0x103e0b5d,
     0x103e96b3,
     0x103f16c6,
     0x103f96e0,
@@ -108,87 +108,91 @@ const uint32_t kOpenSSLReasonValues[] = {
     0x10421747,
     0x1042975b,
     0x1043176d,
-    0x104385d0,
-    0x104408c1,
+    0x104385c1,
+    0x104408b2,
     0x10449782,
     0x10451799,
     0x104597ae,
     0x104617bc,
     0x10469695,
     0x104714f7,
-    0x104787c7,
+    0x104787b8,
     0x104800b0,
-    0x104894c3,
-    0x14320b4f,
-    0x14328b5d,
-    0x14330b6c,
-    0x14338b7e,
+    0x10488b8c,
+    0x14320b40,
+    0x14328b4e,
+    0x14330b5d,
+    0x14338b6f,
     0x18320083,
-    0x18328e47,
-    0x18340e75,
-    0x18348e89,
-    0x18358ec0,
-    0x18368eed,
-    0x18370f00,
-    0x18378f14,
-    0x18380f38,
-    0x18388f46,
-    0x18390f5c,
-    0x18398f70,
-    0x183a0f80,
-    0x183b0f90,
-    0x183b8fa5,
-    0x183c8fd0,
-    0x183d0fe4,
-    0x183d8ff4,
-    0x183e0b9b,
-    0x183e9001,
-    0x183f1013,
-    0x183f901e,
-    0x1840102e,
-    0x1840903f,
-    0x18411050,
-    0x18419062,
-    0x1842108b,
-    0x184290bd,
-    0x184310cc,
-    0x18451135,
-    0x1845914b,
-    0x18461166,
-    0x18468ed8,
-    0x184709d9,
+    0x18328e53,
+    0x18340e81,
+    0x18348e95,
+    0x18358ecc,
+    0x18368ef9,
+    0x18370f0c,
+    0x18378f20,
+    0x18380f44,
+    0x18388f52,
+    0x18390f68,
+    0x18398f7c,
+    0x183a0f8c,
+    0x183b0f9c,
+    0x183b8fb1,
+    0x183c8fdc,
+    0x183d0ff0,
+    0x183d9000,
+    0x183e0b98,
+    0x183e900d,
+    0x183f101f,
+    0x183f902a,
+    0x1840103a,
+    0x1840904b,
+    0x1841105c,
+    0x1841906e,
+    0x18421097,
+    0x184290c9,
+    0x184310d8,
+    0x18451141,
+    0x18459157,
+    0x18461172,
+    0x18468ee4,
+    0x184709ca,
     0x18478094,
-    0x18480fbc,
-    0x18489101,
-    0x18490e5d,
-    0x18498e9e,
-    0x184a119c,
-    0x184a9119,
-    0x184b10e0,
-    0x184b8e37,
-    0x184c10a4,
-    0x184c866b,
-    0x184d1181,
-    0x203211c3,
-    0x243211cf,
-    0x24328907,
-    0x243311e1,
-    0x243391ee,
-    0x243411fb,
-    0x2434920d,
-    0x2435121c,
-    0x24359239,
-    0x24361246,
-    0x24369254,
-    0x24371262,
-    0x24379270,
-    0x24381279,
-    0x24389286,
-    0x24391299,
-    0x28320b8f,
-    0x28328b9b,
-    0x28330b6c,
-    0x28338bae,
+    0x18480fc8,
+    0x1848910d,
+    0x18490e69,
+    0x18498eaa,
+    0x184a11a8,
+    0x184a9125,
+    0x184b10ec,
+    0x184b8e43,
+    0x184c10b0,
+    0x184c865c,
+    0x184d118d,
+    0x184d80b0,
+    0x203211cf,
+    0x243211db,
+    0x243288f8,
+    0x243311ed,
+    0x243391fa,
+    0x24341207,
+    0x24349219,
+    0x24351228,
+    0x24359245,
+    0x24361252,
+    0x24369260,
+    0x2437126e,
+    0x2437927c,
+    0x24381285,
+    0x24389292,
+    0x243912a5,
+    0x28320b80,
+    0x28328b98,
+    0x28330b5d,
+    0x28338bab,
+    0x28340b8c,
+    0x28348094,
+    0x283500b0,
     0x2c32281d,
     0x2c32a82b,
     0x2c33283d,
@@ -207,7 +211,7 @@ const uint32_t kOpenSSLReasonValues[] = {
     0x2c39a917,
     0x2c3a292b,
     0x2c3aa93c,
-    0x2c3b1359,
+    0x2c3b1365,
     0x2c3ba94d,
     0x2c3c2961,
     0x2c3ca977,
@@ -219,12 +223,12 @@ const uint32_t kOpenSSLReasonValues[] = {
     0x2c3faa09,
     0x2c402a2c,
     0x2c40aa4b,
-    0x2c4111c3,
+    0x2c4111cf,
     0x2c41aa5c,
     0x2c422a6f,
-    0x2c429135,
+    0x2c429141,
     0x2c432a80,
-    0x2c4386a2,
+    0x2c438693,
     0x2c4429ad,
     0x30320000,
     0x30328015,
@@ -277,77 +281,79 @@ const uint32_t kOpenSSLReasonValues[] = {
     0x304a03b4,
     0x304a83c7,
     0x304b03d2,
-    0x304b83e1,
-    0x304c03f2,
-    0x304c83fe,
-    0x304d0414,
-    0x304d8422,
-    0x304e0438,
-    0x304e844a,
-    0x304f045c,
-    0x304f846f,
-    0x30500482,
-    0x30508493,
-    0x305104a3,
-    0x305184bb,
-    0x305204d0,
-    0x305284e8,
-    0x305304fc,
-    0x30538514,
-    0x3054052d,
-    0x30548546,
-    0x30550563,
-    0x3055856e,
-    0x30560586,
-    0x30568596,
-    0x305705a7,
-    0x305785ba,
-    0x305805d0,
-    0x305885d9,
-    0x305905ee,
+    0x304b83e3,
+    0x304c03ef,
+    0x304c8405,
+    0x304d0413,
+    0x304d8429,
+    0x304e043b,
+    0x304e844d,
+    0x304f0460,
+    0x304f8473,
+    0x30500484,
+    0x30508494,
+    0x305104ac,
+    0x305184c1,
+    0x305204d9,
+    0x305284ed,
+    0x30530505,
+    0x3053851e,
+    0x30540537,
+    0x30548554,
+    0x3055055f,
+    0x30558577,
+    0x30560587,
+    0x30568598,
+    0x305705ab,
+    0x305785c1,
+    0x305805ca,
+    0x305885df,
+    0x305905f2,
     0x30598601,
-    0x305a0610,
+    0x305a0621,
     0x305a8630,
-    0x305b063f,
-    0x305b864b,
-    0x305c066b,
-    0x305c8687,
-    0x305d0698,
-    0x305d86a2,
-    0x34320ac9,
-    0x34328add,
-    0x34330afa,
-    0x34338b0d,
-    0x34340b1c,
-    0x34348b39,
+    0x305b063c,
+    0x305b865c,
+    0x305c0678,
+    0x305c8689,
+    0x305d0693,
+    0x34320aba,
+    0x34328ace,
+    0x34330aeb,
+    0x34338afe,
+    0x34340b0d,
+    0x34348b2a,
     0x3c320083,
-    0x3c328bd8,
-    0x3c330bf1,
-    0x3c338c0c,
-    0x3c340c29,
-    0x3c348c44,
-    0x3c350c5f,
-    0x3c358c74,
-    0x3c360c8d,
-    0x3c368ca5,
-    0x3c370cb6,
-    0x3c378cc4,
-    0x3c380cd1,
-    0x3c388ce5,
-    0x3c390b9b,
-    0x3c398cf9,
-    0x3c3a0d0d,
-    0x3c3a8881,
-    0x3c3b0d1d,
-    0x3c3b8d38,
-    0x3c3c0d4a,
-    0x3c3c8d60,
-    0x3c3d0d6a,
-    0x3c3d8d7e,
-    0x3c3e0d8c,
-    0x3c3e8db1,
-    0x3c3f0bc4,
-    0x3c3f8d9a,
+    0x3c328bd5,
+    0x3c330bee,
+    0x3c338c09,
+    0x3c340c26,
+    0x3c348c50,
+    0x3c350c6b,
+    0x3c358c80,
+    0x3c360c99,
+    0x3c368cb1,
+    0x3c370cc2,
+    0x3c378cd0,
+    0x3c380cdd,
+    0x3c388cf1,
+    0x3c390b98,
+    0x3c398d05,
+    0x3c3a0d19,
+    0x3c3a8872,
+    0x3c3b0d29,
+    0x3c3b8d44,
+    0x3c3c0d56,
+    0x3c3c8d6c,
+    0x3c3d0d76,
+    0x3c3d8d8a,
+    0x3c3e0d98,
+    0x3c3e8dbd,
+    0x3c3f0bc1,
+    0x3c3f8da6,
+    0x3c400094,
+    0x3c4080b0,
+    0x3c410c41,
     0x403217d3,
     0x403297e9,
     0x40331817,
@@ -362,7 +368,7 @@ const uint32_t kOpenSSLReasonValues[] = {
     0x403798b8,
     0x403818c3,
     0x403898d5,
-    0x40390de1,
+    0x40390ded,
     0x403998e5,
     0x403a18f8,
     0x403a9919,
@@ -437,7 +443,7 @@ const uint32_t kOpenSSLReasonValues[] = {
     0x405d1e9e,
     0x405d9eb5,
     0x405e1ed5,
-    0x405e8a17,
+    0x405e8a08,
     0x405f1ef6,
     0x405f9f03,
     0x40601f11,
@@ -474,18 +480,18 @@ const uint32_t kOpenSSLReasonValues[] = {
     0x406fa60d,
     0x40702620,
     0x4070a63d,
-    0x40710782,
+    0x40710773,
     0x4071a64f,
     0x40722662,
     0x4072a67b,
     0x40732693,
-    0x407390bd,
+    0x407390c9,
     0x407426a7,
     0x4074a6c1,
     0x407526d2,
     0x4075a6e6,
     0x407626f4,
-    0x40769286,
+    0x40769292,
     0x40772719,
     0x4077a73b,
     0x40782756,
@@ -528,48 +534,48 @@ const uint32_t kOpenSSLReasonValues[] = {
     0x422c251d,
     0x422ca4d8,
     0x422d24b7,
-    0x443206ad,
-    0x443286bc,
-    0x443306c8,
-    0x443386d6,
-    0x443406e9,
-    0x443486fa,
-    0x44350701,
-    0x4435870b,
-    0x4436071e,
-    0x44368734,
-    0x44370746,
-    0x44378753,
-    0x44380762,
-    0x4438876a,
-    0x44390782,
-    0x44398790,
-    0x443a07a3,
-    0x4c3212b0,
-    0x4c3292c0,
-    0x4c3312d3,
-    0x4c3392f3,
+    0x4432069e,
+    0x443286ad,
+    0x443306b9,
+    0x443386c7,
+    0x443406da,
+    0x443486eb,
+    0x443506f2,
+    0x443586fc,
+    0x4436070f,
+    0x44368725,
+    0x44370737,
+    0x44378744,
+    0x44380753,
+    0x4438875b,
+    0x44390773,
+    0x44398781,
+    0x443a0794,
+    0x4c3212bc,
+    0x4c3292cc,
+    0x4c3312df,
+    0x4c3392ff,
     0x4c340094,
     0x4c3480b0,
-    0x4c3512ff,
-    0x4c35930d,
-    0x4c361329,
-    0x4c36933c,
-    0x4c37134b,
-    0x4c379359,
-    0x4c38136e,
-    0x4c38937a,
-    0x4c39139a,
-    0x4c3993c4,
-    0x4c3a13dd,
-    0x4c3a93f6,
-    0x4c3b05d0,
-    0x4c3b940f,
-    0x4c3c1421,
-    0x4c3c9430,
-    0x4c3d10bd,
-    0x4c3d9449,
-    0x4c3e1456,
+    0x4c35130b,
+    0x4c359319,
+    0x4c361335,
+    0x4c369348,
+    0x4c371357,
+    0x4c379365,
+    0x4c38137a,
+    0x4c389386,
+    0x4c3913a6,
+    0x4c3993d0,
+    0x4c3a13e9,
+    0x4c3a9402,
+    0x4c3b05c1,
+    0x4c3b941b,
+    0x4c3c142d,
+    0x4c3c943c,
+    0x4c3d10c9,
+    0x4c3d9455,
+    0x4c3e1462,
     0x50322a92,
     0x5032aaa1,
     0x50332aac,
@@ -607,7 +613,7 @@ const uint32_t kOpenSSLReasonValues[] = {
     0x50432d43,
     0x5043ad53,
     0x50442d62,
-    0x50448414,
+    0x50448405,
     0x50452d76,
     0x5045ad94,
     0x50462da7,
@@ -631,45 +637,45 @@ const uint32_t kOpenSSLReasonValues[] = {
     0x504f2f62,
     0x504faf79,
     0x50502f88,
-    0x50508687,
+    0x50508678,
     0x50512f9b,
-    0x58320e1f,
-    0x68320de1,
-    0x68328b9b,
-    0x68330bae,
-    0x68338def,
-    0x68340dff,
+    0x58320e2b,
+    0x68320ded,
+    0x68328b98,
+    0x68330bab,
+    0x68338dfb,
+    0x68340e0b,
     0x683480b0,
-    0x6c320dbd,
-    0x6c328b7e,
-    0x6c330dc8,
-    0x7432098d,
-    0x783208f2,
-    0x78328907,
-    0x78330913,
+    0x6c320dc9,
+    0x6c328b6f,
+    0x6c330dd4,
+    0x7432097e,
+    0x783208e3,
+    0x783288f8,
+    0x78330904,
     0x78338083,
-    0x78340922,
-    0x78348937,
-    0x78350956,
-    0x78358978,
-    0x7836098d,
-    0x783689a3,
-    0x783709b3,
-    0x783789c6,
-    0x783809d9,
-    0x783889eb,
-    0x783909f8,
-    0x78398a17,
-    0x783a0a2c,
-    0x783a8a3a,
-    0x783b0a44,
-    0x783b8a58,
-    0x783c0a6f,
-    0x783c8a84,
-    0x783d0a9b,
-    0x783d8ab0,
-    0x783e0a06,
-    0x7c3211b2,
+    0x78340913,
+    0x78348928,
+    0x78350947,
+    0x78358969,
+    0x7836097e,
+    0x78368994,
+    0x783709a4,
+    0x783789b7,
+    0x783809ca,
+    0x783889dc,
+    0x783909e9,
+    0x78398a08,
+    0x783a0a1d,
+    0x783a8a2b,
+    0x783b0a35,
+    0x783b8a49,
+    0x783c0a60,
+    0x783c8a75,
+    0x783d0a8c,
+    0x783d8aa1,
+    0x783e09f7,
+    0x7c3211be,
 };
 
 const size_t kOpenSSLReasonValuesLen = sizeof(kOpenSSLReasonValues) / sizeof(kOpenSSLReasonValues[0]);
@@ -725,7 +731,6 @@ const char kOpenSSLReasonStringData[] =
     "INVALID_UNIVERSALSTRING_LENGTH\0"
     "INVALID_UTF8STRING\0"
     "LIST_ERROR\0"
-    "MALLOC_FAILURE\0"
     "MISSING_ASN1_EOS\0"
     "MISSING_EOC\0"
     "MISSING_SECOND_NUMBER\0"
@@ -833,6 +838,7 @@ const char kOpenSSLReasonStringData[] =
     "MODULUS_TOO_LARGE\0"
     "NO_PRIVATE_VALUE\0"
     "BAD_Q_VALUE\0"
+    "BAD_VERSION\0"
     "MISSING_PARAMETERS\0"
     "NEED_NEW_SETUP_VALUES\0"
     "BIGNUM_OUT_OF_RANGE\0"
@@ -840,6 +846,7 @@ const char kOpenSSLReasonStringData[] =
     "D2I_ECPKPARAMETERS_FAILURE\0"
     "EC_GROUP_NEW_BY_NAME_FAILURE\0"
     "GROUP2PKPARAMETERS_FAILURE\0"
+    "GROUP_MISMATCH\0"
     "I2D_ECPKPARAMETERS_FAILURE\0"
     "INCOMPATIBLE_OBJECTS\0"
     "INVALID_COMPRESSED_POINT\0"
@@ -948,7 +955,6 @@ const char kOpenSSLReasonStringData[] =
     "BAD_FIXED_HEADER_DECRYPT\0"
     "BAD_PAD_BYTE_COUNT\0"
     "BAD_RSA_PARAMETERS\0"
-    "BAD_VERSION\0"
     "BLOCK_TYPE_IS_NOT_01\0"
     "BN_NOT_INITIALIZED\0"
     "CANNOT_RECOVER_MULTI_PRIME_KEY\0"
diff --git a/src/boringssl/gen_build_yaml.py b/src/boringssl/gen_build_yaml.py
index 3a7116b181a9ce899ddba7dc1d9f4db9539e7378..20f6413adfc91d21c0e30e25f32d17d493e1b518 100755
--- a/src/boringssl/gen_build_yaml.py
+++ b/src/boringssl/gen_build_yaml.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/compiler/config.h b/src/compiler/config.h
index fea976c31818407a203c0b4b530e6206ae7c1dc1..a534b119d2f052e7bee1914eaca1550f43840182 100644
--- a/src/compiler/config.h
+++ b/src/compiler/config.h
@@ -42,8 +42,10 @@
 #include <google/protobuf/descriptor.pb.h>
 #define GRPC_CUSTOM_DESCRIPTOR ::google::protobuf::Descriptor
 #define GRPC_CUSTOM_FILEDESCRIPTOR ::google::protobuf::FileDescriptor
+#define GRPC_CUSTOM_FILEDESCRIPTORPROTO ::google::protobuf::FileDescriptorProto
 #define GRPC_CUSTOM_METHODDESCRIPTOR ::google::protobuf::MethodDescriptor
 #define GRPC_CUSTOM_SERVICEDESCRIPTOR ::google::protobuf::ServiceDescriptor
+#define GRPC_CUSTOM_SOURCELOCATION ::google::protobuf::SourceLocation
 #endif
 
 #ifndef GRPC_CUSTOM_CODEGENERATOR
@@ -72,8 +74,10 @@ namespace grpc {
 namespace protobuf {
 typedef GRPC_CUSTOM_DESCRIPTOR Descriptor;
 typedef GRPC_CUSTOM_FILEDESCRIPTOR FileDescriptor;
+typedef GRPC_CUSTOM_FILEDESCRIPTORPROTO FileDescriptorProto;
 typedef GRPC_CUSTOM_METHODDESCRIPTOR MethodDescriptor;
 typedef GRPC_CUSTOM_SERVICEDESCRIPTOR ServiceDescriptor;
+typedef GRPC_CUSTOM_SOURCELOCATION SourceLocation;
 namespace compiler {
 typedef GRPC_CUSTOM_CODEGENERATOR CodeGenerator;
 typedef GRPC_CUSTOM_GENERATORCONTEXT GeneratorContext;
diff --git a/src/compiler/cpp_generator.cc b/src/compiler/cpp_generator.cc
index 97295bed4518b9325d8d420f2045c4b93baa14f0..e2f127094add748983f06d3e03c7a3491ca0c155 100644
--- a/src/compiler/cpp_generator.cc
+++ b/src/compiler/cpp_generator.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,9 +34,6 @@
 #include <map>
 
 #include "src/compiler/cpp_generator.h"
-#include "src/compiler/cpp_generator_helpers.h"
-
-#include "src/compiler/config.h"
 
 #include <sstream>
 
@@ -50,22 +47,6 @@ grpc::string as_string(T x) {
   return out.str();
 }
 
-bool NoStreaming(const grpc::protobuf::MethodDescriptor *method) {
-  return !method->client_streaming() && !method->server_streaming();
-}
-
-bool ClientOnlyStreaming(const grpc::protobuf::MethodDescriptor *method) {
-  return method->client_streaming() && !method->server_streaming();
-}
-
-bool ServerOnlyStreaming(const grpc::protobuf::MethodDescriptor *method) {
-  return !method->client_streaming() && method->server_streaming();
-}
-
-bool BidiStreaming(const grpc::protobuf::MethodDescriptor *method) {
-  return method->client_streaming() && method->server_streaming();
-}
-
 grpc::string FilenameIdentifier(const grpc::string &filename) {
   grpc::string result;
   for (unsigned i = 0; i < filename.size(); i++) {
@@ -83,78 +64,109 @@ grpc::string FilenameIdentifier(const grpc::string &filename) {
 }
 }  // namespace
 
-grpc::string GetHeaderPrologue(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params) {
+template<class T, size_t N>
+T *array_end(T (&array)[N]) { return array + N; }
+
+void PrintIncludes(Printer *printer, const std::vector<grpc::string>& headers, const Parameters &params) {
+  std::map<grpc::string, grpc::string> vars;
+
+  vars["l"] = params.use_system_headers ? '<' : '"';
+  vars["r"] = params.use_system_headers ? '>' : '"';
+
+  if (!params.grpc_search_path.empty()) {
+    vars["l"] += params.grpc_search_path;
+    if (params.grpc_search_path.back() != '/') {
+      vars["l"] += '/';
+    }
+  }
+
+  for (auto i = headers.begin(); i != headers.end(); i++) {
+    vars["h"] = *i;
+    printer->Print(vars, "#include $l$$h$$r$\n");
+  }
+}
+
+grpc::string GetHeaderPrologue(File *file, const Parameters & /*params*/) {
   grpc::string output;
   {
     // Scope the output stream so it closes and finalizes output to the string.
-    grpc::protobuf::io::StringOutputStream output_stream(&output);
-    grpc::protobuf::io::Printer printer(&output_stream, '$');
+    auto printer = file->CreatePrinter(&output);
     std::map<grpc::string, grpc::string> vars;
 
-    vars["filename"] = file->name();
-    vars["filename_identifier"] = FilenameIdentifier(file->name());
-    vars["filename_base"] = grpc_generator::StripProto(file->name());
+    vars["filename"] = file->filename();
+    vars["filename_identifier"] = FilenameIdentifier(file->filename());
+    vars["filename_base"] = file->filename_without_ext();
+    vars["message_header_ext"] = file->message_header_ext();
 
-    printer.Print(vars, "// Generated by the gRPC protobuf plugin.\n");
-    printer.Print(vars,
+    printer->Print(vars, "// Generated by the gRPC protobuf plugin.\n");
+    printer->Print(vars,
                   "// If you make any local change, they will be lost.\n");
-    printer.Print(vars, "// source: $filename$\n");
-    printer.Print(vars, "#ifndef GRPC_$filename_identifier$__INCLUDED\n");
-    printer.Print(vars, "#define GRPC_$filename_identifier$__INCLUDED\n");
-    printer.Print(vars, "\n");
-    printer.Print(vars, "#include \"$filename_base$.pb.h\"\n");
-    printer.Print(vars, "\n");
+    printer->Print(vars, "// source: $filename$\n");
+    grpc::string leading_comments = file->GetLeadingComments();
+    if (!leading_comments.empty()) {
+      printer->Print(vars, "// Original file comments:\n");
+      printer->Print(leading_comments.c_str());
+    }
+    printer->Print(vars, "#ifndef GRPC_$filename_identifier$__INCLUDED\n");
+    printer->Print(vars, "#define GRPC_$filename_identifier$__INCLUDED\n");
+    printer->Print(vars, "\n");
+    printer->Print(vars, "#include \"$filename_base$$message_header_ext$\"\n");
+    printer->Print(vars, "\n");
   }
   return output;
 }
 
-grpc::string GetHeaderIncludes(const grpc::protobuf::FileDescriptor *file,
+grpc::string GetHeaderIncludes(File *file,
                                const Parameters &params) {
-  grpc::string temp =
-      "#include <grpc++/impl/codegen/async_stream.h>\n"
-      "#include <grpc++/impl/codegen/async_unary_call.h>\n"
-      "#include <grpc++/impl/codegen/proto_utils.h>\n"
-      "#include <grpc++/impl/codegen/rpc_method.h>\n"
-      "#include <grpc++/impl/codegen/service_type.h>\n"
-      "#include <grpc++/impl/codegen/status.h>\n"
-      "#include <grpc++/impl/codegen/stub_options.h>\n"
-      "#include <grpc++/impl/codegen/sync_stream.h>\n"
-      "\n"
-      "namespace grpc {\n"
-      "class CompletionQueue;\n"
-      "class RpcService;\n"
-      "class ServerCompletionQueue;\n"
-      "class ServerContext;\n"
-      "}  // namespace grpc\n\n";
+  grpc::string output;
+  {
+    // Scope the output stream so it closes and finalizes output to the string.
+    auto printer = file->CreatePrinter(&output);
+    std::map<grpc::string, grpc::string> vars;
 
-  if (!file->package().empty()) {
-    std::vector<grpc::string> parts =
-        grpc_generator::tokenize(file->package(), ".");
+    static const char *headers_strs[] = {
+      "grpc++/impl/codegen/async_stream.h",
+      "grpc++/impl/codegen/async_unary_call.h",
+      "grpc++/impl/codegen/proto_utils.h",
+      "grpc++/impl/codegen/rpc_method.h",
+      "grpc++/impl/codegen/service_type.h",
+      "grpc++/impl/codegen/status.h",
+      "grpc++/impl/codegen/stub_options.h",
+      "grpc++/impl/codegen/sync_stream.h"
+    };
+    std::vector<grpc::string> headers(headers_strs, array_end(headers_strs));
+    PrintIncludes(printer.get(), headers, params);
+    printer->Print(vars, "\n");
+    printer->Print(vars, "namespace grpc {\n");
+    printer->Print(vars, "class CompletionQueue;\n");
+    printer->Print(vars, "class Channel;\n");
+    printer->Print(vars, "class RpcService;\n");
+    printer->Print(vars, "class ServerCompletionQueue;\n");
+    printer->Print(vars, "class ServerContext;\n");
+    printer->Print(vars, "}  // namespace grpc\n\n");
 
-    for (auto part = parts.begin(); part != parts.end(); part++) {
-      temp.append("namespace ");
-      temp.append(*part);
-      temp.append(" {\n");
+    if (!file->package().empty()) {
+      std::vector<grpc::string> parts = file->package_parts();
+
+      for (auto part = parts.begin(); part != parts.end(); part++) {
+        vars["part"] = *part;
+        printer->Print(vars, "namespace $part$ {\n");
+      }
+      printer->Print(vars, "\n");
     }
-    temp.append("\n");
   }
-
-  return temp;
+  return output;
 }
 
 void PrintHeaderClientMethodInterfaces(
-    grpc::protobuf::io::Printer *printer,
-    const grpc::protobuf::MethodDescriptor *method,
+    Printer *printer, const Method *method,
     std::map<grpc::string, grpc::string> *vars, bool is_public) {
   (*vars)["Method"] = method->name();
-  (*vars)["Request"] =
-      grpc_cpp_generator::ClassName(method->input_type(), true);
-  (*vars)["Response"] =
-      grpc_cpp_generator::ClassName(method->output_type(), true);
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
 
   if (is_public) {
-    if (NoStreaming(method)) {
+    if (method->NoStreaming()) {
       printer->Print(
           *vars,
           "virtual ::grpc::Status $Method$(::grpc::ClientContext* context, "
@@ -172,7 +184,7 @@ void PrintHeaderClientMethodInterfaces(
                      "Async$Method$Raw(context, request, cq));\n");
       printer->Outdent();
       printer->Print("}\n");
-    } else if (ClientOnlyStreaming(method)) {
+    } else if (method->ClientOnlyStreaming()) {
       printer->Print(
           *vars,
           "std::unique_ptr< ::grpc::ClientWriterInterface< $Request$>>"
@@ -198,7 +210,7 @@ void PrintHeaderClientMethodInterfaces(
                      "Async$Method$Raw(context, response, cq, tag));\n");
       printer->Outdent();
       printer->Print("}\n");
-    } else if (ServerOnlyStreaming(method)) {
+    } else if (method->ServerOnlyStreaming()) {
       printer->Print(
           *vars,
           "std::unique_ptr< ::grpc::ClientReaderInterface< $Response$>>"
@@ -224,7 +236,7 @@ void PrintHeaderClientMethodInterfaces(
                      "Async$Method$Raw(context, request, cq, tag));\n");
       printer->Outdent();
       printer->Print("}\n");
-    } else if (BidiStreaming(method)) {
+    } else if (method->BidiStreaming()) {
       printer->Print(*vars,
                      "std::unique_ptr< ::grpc::ClientReaderWriterInterface< "
                      "$Request$, $Response$>> "
@@ -253,14 +265,14 @@ void PrintHeaderClientMethodInterfaces(
       printer->Print("}\n");
     }
   } else {
-    if (NoStreaming(method)) {
+    if (method->NoStreaming()) {
       printer->Print(
           *vars,
           "virtual ::grpc::ClientAsyncResponseReaderInterface< $Response$>* "
           "Async$Method$Raw(::grpc::ClientContext* context, "
           "const $Request$& request, "
           "::grpc::CompletionQueue* cq) = 0;\n");
-    } else if (ClientOnlyStreaming(method)) {
+    } else if (method->ClientOnlyStreaming()) {
       printer->Print(
           *vars,
           "virtual ::grpc::ClientWriterInterface< $Request$>*"
@@ -271,7 +283,7 @@ void PrintHeaderClientMethodInterfaces(
                      " Async$Method$Raw(::grpc::ClientContext* context, "
                      "$Response$* response, "
                      "::grpc::CompletionQueue* cq, void* tag) = 0;\n");
-    } else if (ServerOnlyStreaming(method)) {
+    } else if (method->ServerOnlyStreaming()) {
       printer->Print(
           *vars,
           "virtual ::grpc::ClientReaderInterface< $Response$>* $Method$Raw("
@@ -282,7 +294,7 @@ void PrintHeaderClientMethodInterfaces(
           "Async$Method$Raw("
           "::grpc::ClientContext* context, const $Request$& request, "
           "::grpc::CompletionQueue* cq, void* tag) = 0;\n");
-    } else if (BidiStreaming(method)) {
+    } else if (method->BidiStreaming()) {
       printer->Print(*vars,
                      "virtual ::grpc::ClientReaderWriterInterface< $Request$, "
                      "$Response$>* "
@@ -296,17 +308,15 @@ void PrintHeaderClientMethodInterfaces(
   }
 }
 
-void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
-                             const grpc::protobuf::MethodDescriptor *method,
+void PrintHeaderClientMethod(Printer *printer,
+                             const Method *method,
                              std::map<grpc::string, grpc::string> *vars,
                              bool is_public) {
   (*vars)["Method"] = method->name();
-  (*vars)["Request"] =
-      grpc_cpp_generator::ClassName(method->input_type(), true);
-  (*vars)["Response"] =
-      grpc_cpp_generator::ClassName(method->output_type(), true);
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
   if (is_public) {
-    if (NoStreaming(method)) {
+    if (method->NoStreaming()) {
       printer->Print(
           *vars,
           "::grpc::Status $Method$(::grpc::ClientContext* context, "
@@ -324,7 +334,7 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
                      "Async$Method$Raw(context, request, cq));\n");
       printer->Outdent();
       printer->Print("}\n");
-    } else if (ClientOnlyStreaming(method)) {
+    } else if (method->ClientOnlyStreaming()) {
       printer->Print(
           *vars,
           "std::unique_ptr< ::grpc::ClientWriter< $Request$>>"
@@ -348,7 +358,7 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
           "Async$Method$Raw(context, response, cq, tag));\n");
       printer->Outdent();
       printer->Print("}\n");
-    } else if (ServerOnlyStreaming(method)) {
+    } else if (method->ServerOnlyStreaming()) {
       printer->Print(
           *vars,
           "std::unique_ptr< ::grpc::ClientReader< $Response$>>"
@@ -374,7 +384,7 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
           "Async$Method$Raw(context, request, cq, tag));\n");
       printer->Outdent();
       printer->Print("}\n");
-    } else if (BidiStreaming(method)) {
+    } else if (method->BidiStreaming()) {
       printer->Print(
           *vars,
           "std::unique_ptr< ::grpc::ClientReaderWriter< $Request$, $Response$>>"
@@ -400,13 +410,13 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
       printer->Print("}\n");
     }
   } else {
-    if (NoStreaming(method)) {
+    if (method->NoStreaming()) {
       printer->Print(*vars,
                      "::grpc::ClientAsyncResponseReader< $Response$>* "
                      "Async$Method$Raw(::grpc::ClientContext* context, "
                      "const $Request$& request, "
                      "::grpc::CompletionQueue* cq) GRPC_OVERRIDE;\n");
-    } else if (ClientOnlyStreaming(method)) {
+    } else if (method->ClientOnlyStreaming()) {
       printer->Print(*vars,
                      "::grpc::ClientWriter< $Request$>* $Method$Raw("
                      "::grpc::ClientContext* context, $Response$* response) "
@@ -416,7 +426,7 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
           "::grpc::ClientAsyncWriter< $Request$>* Async$Method$Raw("
           "::grpc::ClientContext* context, $Response$* response, "
           "::grpc::CompletionQueue* cq, void* tag) GRPC_OVERRIDE;\n");
-    } else if (ServerOnlyStreaming(method)) {
+    } else if (method->ServerOnlyStreaming()) {
       printer->Print(*vars,
                      "::grpc::ClientReader< $Response$>* $Method$Raw("
                      "::grpc::ClientContext* context, const $Request$& request)"
@@ -426,7 +436,7 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
           "::grpc::ClientAsyncReader< $Response$>* Async$Method$Raw("
           "::grpc::ClientContext* context, const $Request$& request, "
           "::grpc::CompletionQueue* cq, void* tag) GRPC_OVERRIDE;\n");
-    } else if (BidiStreaming(method)) {
+    } else if (method->BidiStreaming()) {
       printer->Print(
           *vars,
           "::grpc::ClientReaderWriter< $Request$, $Response$>* "
@@ -440,38 +450,35 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
   }
 }
 
-void PrintHeaderClientMethodData(grpc::protobuf::io::Printer *printer,
-                                 const grpc::protobuf::MethodDescriptor *method,
+void PrintHeaderClientMethodData(Printer *printer, const Method *method,
                                  std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Method"] = method->name();
   printer->Print(*vars, "const ::grpc::RpcMethod rpcmethod_$Method$_;\n");
 }
 
-void PrintHeaderServerMethodSync(grpc::protobuf::io::Printer *printer,
-                                 const grpc::protobuf::MethodDescriptor *method,
+void PrintHeaderServerMethodSync(Printer *printer, const Method *method,
                                  std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Method"] = method->name();
-  (*vars)["Request"] =
-      grpc_cpp_generator::ClassName(method->input_type(), true);
-  (*vars)["Response"] =
-      grpc_cpp_generator::ClassName(method->output_type(), true);
-  if (NoStreaming(method)) {
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
+  printer->Print(method->GetLeadingComments().c_str());
+  if (method->NoStreaming()) {
     printer->Print(*vars,
                    "virtual ::grpc::Status $Method$("
                    "::grpc::ServerContext* context, const $Request$* request, "
                    "$Response$* response);\n");
-  } else if (ClientOnlyStreaming(method)) {
+  } else if (method->ClientOnlyStreaming()) {
     printer->Print(*vars,
                    "virtual ::grpc::Status $Method$("
                    "::grpc::ServerContext* context, "
                    "::grpc::ServerReader< $Request$>* reader, "
                    "$Response$* response);\n");
-  } else if (ServerOnlyStreaming(method)) {
+  } else if (method->ServerOnlyStreaming()) {
     printer->Print(*vars,
                    "virtual ::grpc::Status $Method$("
                    "::grpc::ServerContext* context, const $Request$* request, "
                    "::grpc::ServerWriter< $Response$>* writer);\n");
-  } else if (BidiStreaming(method)) {
+  } else if (method->BidiStreaming()) {
     printer->Print(
         *vars,
         "virtual ::grpc::Status $Method$("
@@ -479,23 +486,22 @@ void PrintHeaderServerMethodSync(grpc::protobuf::io::Printer *printer,
         "::grpc::ServerReaderWriter< $Response$, $Request$>* stream);"
         "\n");
   }
+  printer->Print(method->GetTrailingComments().c_str());
 }
 
 void PrintHeaderServerMethodAsync(
-    grpc::protobuf::io::Printer *printer,
-    const grpc::protobuf::MethodDescriptor *method,
+    Printer *printer,
+    const Method *method,
     std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Method"] = method->name();
-  (*vars)["Request"] =
-      grpc_cpp_generator::ClassName(method->input_type(), true);
-  (*vars)["Response"] =
-      grpc_cpp_generator::ClassName(method->output_type(), true);
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
   printer->Print(*vars, "template <class BaseClass>\n");
   printer->Print(*vars,
                  "class WithAsyncMethod_$Method$ : public BaseClass {\n");
   printer->Print(
       " private:\n"
-      "  void BaseClassMustBeDerivedFromService(Service *service) {}\n");
+      "  void BaseClassMustBeDerivedFromService(const Service *service) {}\n");
   printer->Print(" public:\n");
   printer->Indent();
   printer->Print(*vars,
@@ -506,7 +512,7 @@ void PrintHeaderServerMethodAsync(
                  "~WithAsyncMethod_$Method$() GRPC_OVERRIDE {\n"
                  "  BaseClassMustBeDerivedFromService(this);\n"
                  "}\n");
-  if (NoStreaming(method)) {
+  if (method->NoStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -527,7 +533,7 @@ void PrintHeaderServerMethodAsync(
                    "  ::grpc::Service::RequestAsyncUnary($Idx$, context, "
                    "request, response, new_call_cq, notification_cq, tag);\n");
     printer->Print("}\n");
-  } else if (ClientOnlyStreaming(method)) {
+  } else if (method->ClientOnlyStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -549,7 +555,7 @@ void PrintHeaderServerMethodAsync(
                    "  ::grpc::Service::RequestAsyncClientStreaming($Idx$, "
                    "context, reader, new_call_cq, notification_cq, tag);\n");
     printer->Print("}\n");
-  } else if (ServerOnlyStreaming(method)) {
+  } else if (method->ServerOnlyStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -572,7 +578,7 @@ void PrintHeaderServerMethodAsync(
         "  ::grpc::Service::RequestAsyncServerStreaming($Idx$, "
         "context, request, writer, new_call_cq, notification_cq, tag);\n");
     printer->Print("}\n");
-  } else if (BidiStreaming(method)) {
+  } else if (method->BidiStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -600,20 +606,18 @@ void PrintHeaderServerMethodAsync(
 }
 
 void PrintHeaderServerMethodGeneric(
-    grpc::protobuf::io::Printer *printer,
-    const grpc::protobuf::MethodDescriptor *method,
+    Printer *printer,
+    const Method *method,
     std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Method"] = method->name();
-  (*vars)["Request"] =
-      grpc_cpp_generator::ClassName(method->input_type(), true);
-  (*vars)["Response"] =
-      grpc_cpp_generator::ClassName(method->output_type(), true);
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
   printer->Print(*vars, "template <class BaseClass>\n");
   printer->Print(*vars,
                  "class WithGenericMethod_$Method$ : public BaseClass {\n");
   printer->Print(
       " private:\n"
-      "  void BaseClassMustBeDerivedFromService(Service *service) {}\n");
+      "  void BaseClassMustBeDerivedFromService(const Service *service) {}\n");
   printer->Print(" public:\n");
   printer->Indent();
   printer->Print(*vars,
@@ -624,7 +628,7 @@ void PrintHeaderServerMethodGeneric(
                  "~WithGenericMethod_$Method$() GRPC_OVERRIDE {\n"
                  "  BaseClassMustBeDerivedFromService(this);\n"
                  "}\n");
-  if (NoStreaming(method)) {
+  if (method->NoStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -634,7 +638,7 @@ void PrintHeaderServerMethodGeneric(
         "  abort();\n"
         "  return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
         "}\n");
-  } else if (ClientOnlyStreaming(method)) {
+  } else if (method->ClientOnlyStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -645,7 +649,7 @@ void PrintHeaderServerMethodGeneric(
         "  abort();\n"
         "  return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
         "}\n");
-  } else if (ServerOnlyStreaming(method)) {
+  } else if (method->ServerOnlyStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -656,7 +660,7 @@ void PrintHeaderServerMethodGeneric(
         "  abort();\n"
         "  return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
         "}\n");
-  } else if (BidiStreaming(method)) {
+  } else if (method->BidiStreaming()) {
     printer->Print(
         *vars,
         "// disable synchronous version of this method\n"
@@ -672,11 +676,12 @@ void PrintHeaderServerMethodGeneric(
   printer->Print(*vars, "};\n");
 }
 
-void PrintHeaderService(grpc::protobuf::io::Printer *printer,
-                        const grpc::protobuf::ServiceDescriptor *service,
+void PrintHeaderService(Printer *printer,
+                        const Service *service,
                         std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Service"] = service->name();
 
+  printer->Print(service->GetLeadingComments().c_str());
   printer->Print(*vars,
                  "class $Service$ GRPC_FINAL {\n"
                  " public:\n");
@@ -689,13 +694,15 @@ void PrintHeaderService(grpc::protobuf::io::Printer *printer,
   printer->Indent();
   printer->Print("virtual ~StubInterface() {}\n");
   for (int i = 0; i < service->method_count(); ++i) {
-    PrintHeaderClientMethodInterfaces(printer, service->method(i), vars, true);
+    printer->Print(service->method(i)->GetLeadingComments().c_str());
+    PrintHeaderClientMethodInterfaces(printer, service->method(i).get(), vars, true);
+    printer->Print(service->method(i)->GetTrailingComments().c_str());
   }
   printer->Outdent();
   printer->Print("private:\n");
   printer->Indent();
   for (int i = 0; i < service->method_count(); ++i) {
-    PrintHeaderClientMethodInterfaces(printer, service->method(i), vars, false);
+    PrintHeaderClientMethodInterfaces(printer, service->method(i).get(), vars, false);
   }
   printer->Outdent();
   printer->Print("};\n");
@@ -705,17 +712,17 @@ void PrintHeaderService(grpc::protobuf::io::Printer *printer,
   printer->Indent();
   printer->Print("Stub(const std::shared_ptr< ::grpc::ChannelInterface>& channel);\n");
   for (int i = 0; i < service->method_count(); ++i) {
-    PrintHeaderClientMethod(printer, service->method(i), vars, true);
+    PrintHeaderClientMethod(printer, service->method(i).get(), vars, true);
   }
   printer->Outdent();
   printer->Print("\n private:\n");
   printer->Indent();
   printer->Print("std::shared_ptr< ::grpc::ChannelInterface> channel_;\n");
   for (int i = 0; i < service->method_count(); ++i) {
-    PrintHeaderClientMethod(printer, service->method(i), vars, false);
+    PrintHeaderClientMethod(printer, service->method(i).get(), vars, false);
   }
   for (int i = 0; i < service->method_count(); ++i) {
-    PrintHeaderClientMethodData(printer, service->method(i), vars);
+    PrintHeaderClientMethodData(printer, service->method(i).get(), vars);
   }
   printer->Outdent();
   printer->Print("};\n");
@@ -734,7 +741,7 @@ void PrintHeaderService(grpc::protobuf::io::Printer *printer,
   printer->Print("Service();\n");
   printer->Print("virtual ~Service();\n");
   for (int i = 0; i < service->method_count(); ++i) {
-    PrintHeaderServerMethodSync(printer, service->method(i), vars);
+    PrintHeaderServerMethodSync(printer, service->method(i).get(), vars);
   }
   printer->Outdent();
   printer->Print("};\n");
@@ -742,13 +749,13 @@ void PrintHeaderService(grpc::protobuf::io::Printer *printer,
   // Server side - Asynchronous
   for (int i = 0; i < service->method_count(); ++i) {
     (*vars)["Idx"] = as_string(i);
-    PrintHeaderServerMethodAsync(printer, service->method(i), vars);
+    PrintHeaderServerMethodAsync(printer, service->method(i).get(), vars);
   }
 
   printer->Print("typedef ");
 
   for (int i = 0; i < service->method_count(); ++i) {
-    (*vars)["method_name"] = service->method(i)->name();
+    (*vars)["method_name"] = service->method(i).get()->name();
     printer->Print(*vars, "WithAsyncMethod_$method_name$<");
   }
   printer->Print("Service");
@@ -760,20 +767,20 @@ void PrintHeaderService(grpc::protobuf::io::Printer *printer,
   // Server side - Generic
   for (int i = 0; i < service->method_count(); ++i) {
     (*vars)["Idx"] = as_string(i);
-    PrintHeaderServerMethodGeneric(printer, service->method(i), vars);
+    PrintHeaderServerMethodGeneric(printer, service->method(i).get(), vars);
   }
 
   printer->Outdent();
   printer->Print("};\n");
+  printer->Print(service->GetTrailingComments().c_str());
 }
 
-grpc::string GetHeaderServices(const grpc::protobuf::FileDescriptor *file,
+grpc::string GetHeaderServices(File *file,
                                const Parameters &params) {
   grpc::string output;
   {
     // Scope the output stream so it closes and finalizes output to the string.
-    grpc::protobuf::io::StringOutputStream output_stream(&output);
-    grpc::protobuf::io::Printer printer(&output_stream, '$');
+    auto printer = file->CreatePrinter(&output);
     std::map<grpc::string, grpc::string> vars;
     // Package string is empty or ends with a dot. It is used to fully qualify
     // method names.
@@ -784,117 +791,116 @@ grpc::string GetHeaderServices(const grpc::protobuf::FileDescriptor *file,
 
     if (!params.services_namespace.empty()) {
       vars["services_namespace"] = params.services_namespace;
-      printer.Print(vars, "\nnamespace $services_namespace$ {\n\n");
+      printer->Print(vars, "\nnamespace $services_namespace$ {\n\n");
     }
 
     for (int i = 0; i < file->service_count(); ++i) {
-      PrintHeaderService(&printer, file->service(i), &vars);
-      printer.Print("\n");
+      PrintHeaderService(printer.get(), file->service(i).get(), &vars);
+      printer->Print("\n");
     }
 
     if (!params.services_namespace.empty()) {
-      printer.Print(vars, "}  // namespace $services_namespace$\n\n");
+      printer->Print(vars, "}  // namespace $services_namespace$\n\n");
     }
   }
   return output;
 }
 
-grpc::string GetHeaderEpilogue(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params) {
+grpc::string GetHeaderEpilogue(File *file, const Parameters & /*params*/) {
   grpc::string output;
   {
     // Scope the output stream so it closes and finalizes output to the string.
-    grpc::protobuf::io::StringOutputStream output_stream(&output);
-    grpc::protobuf::io::Printer printer(&output_stream, '$');
+    auto printer = file->CreatePrinter(&output);
     std::map<grpc::string, grpc::string> vars;
 
-    vars["filename"] = file->name();
-    vars["filename_identifier"] = FilenameIdentifier(file->name());
+    vars["filename"] = file->filename();
+    vars["filename_identifier"] = FilenameIdentifier(file->filename());
 
     if (!file->package().empty()) {
-      std::vector<grpc::string> parts =
-          grpc_generator::tokenize(file->package(), ".");
+      std::vector<grpc::string> parts = file->package_parts();
 
       for (auto part = parts.rbegin(); part != parts.rend(); part++) {
         vars["part"] = *part;
-        printer.Print(vars, "}  // namespace $part$\n");
+        printer->Print(vars, "}  // namespace $part$\n");
       }
-      printer.Print(vars, "\n");
+      printer->Print(vars, "\n");
     }
 
-    printer.Print(vars, "\n");
-    printer.Print(vars, "#endif  // GRPC_$filename_identifier$__INCLUDED\n");
+    printer->Print(vars, "\n");
+    printer->Print(vars, "#endif  // GRPC_$filename_identifier$__INCLUDED\n");
+
+    printer->Print(file->GetTrailingComments().c_str());
   }
   return output;
 }
 
-grpc::string GetSourcePrologue(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params) {
+grpc::string GetSourcePrologue(File *file, const Parameters & /*params*/) {
   grpc::string output;
   {
     // Scope the output stream so it closes and finalizes output to the string.
-    grpc::protobuf::io::StringOutputStream output_stream(&output);
-    grpc::protobuf::io::Printer printer(&output_stream, '$');
+    auto printer = file->CreatePrinter(&output);
     std::map<grpc::string, grpc::string> vars;
 
-    vars["filename"] = file->name();
-    vars["filename_base"] = grpc_generator::StripProto(file->name());
+    vars["filename"] = file->filename();
+    vars["filename_base"] = file->filename_without_ext();
+    vars["message_header_ext"] = file->message_header_ext();
+    vars["service_header_ext"] = file->service_header_ext();
 
-    printer.Print(vars, "// Generated by the gRPC protobuf plugin.\n");
-    printer.Print(vars,
+    printer->Print(vars, "// Generated by the gRPC protobuf plugin.\n");
+    printer->Print(vars,
                   "// If you make any local change, they will be lost.\n");
-    printer.Print(vars, "// source: $filename$\n\n");
-    printer.Print(vars, "#include \"$filename_base$.pb.h\"\n");
-    printer.Print(vars, "#include \"$filename_base$.grpc.pb.h\"\n");
-    printer.Print(vars, "\n");
+    printer->Print(vars, "// source: $filename$\n\n");
+
+    printer->Print(vars, "#include \"$filename_base$$message_header_ext$\"\n");
+    printer->Print(vars, "#include \"$filename_base$$service_header_ext$\"\n");
+    printer->Print(vars, file->additional_headers().c_str());
+    printer->Print(vars, "\n");
   }
   return output;
 }
 
-grpc::string GetSourceIncludes(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &param) {
+grpc::string GetSourceIncludes(File *file,
+                               const Parameters &params) {
   grpc::string output;
   {
     // Scope the output stream so it closes and finalizes output to the string.
-    grpc::protobuf::io::StringOutputStream output_stream(&output);
-    grpc::protobuf::io::Printer printer(&output_stream, '$');
+    auto printer = file->CreatePrinter(&output);
     std::map<grpc::string, grpc::string> vars;
 
-    printer.Print(vars, "#include <grpc++/impl/codegen/async_stream.h>\n");
-    printer.Print(vars, "#include <grpc++/impl/codegen/async_unary_call.h>\n");
-    printer.Print(vars, "#include <grpc++/impl/codegen/channel_interface.h>\n");
-    printer.Print(vars, "#include <grpc++/impl/codegen/client_unary_call.h>\n");
-    printer.Print(vars,
-                  "#include <grpc++/impl/codegen/method_handler_impl.h>\n");
-    printer.Print(vars,
-                  "#include <grpc++/impl/codegen/rpc_service_method.h>\n");
-    printer.Print(vars, "#include <grpc++/impl/codegen/service_type.h>\n");
-    printer.Print(vars, "#include <grpc++/impl/codegen/sync_stream.h>\n");
+    static const char *headers_strs[] = {
+      "grpc++/impl/codegen/async_stream.h",
+      "grpc++/impl/codegen/async_unary_call.h",
+      "grpc++/impl/codegen/channel_interface.h",
+      "grpc++/impl/codegen/client_unary_call.h",
+      "grpc++/impl/codegen/method_handler_impl.h",
+      "grpc++/impl/codegen/rpc_service_method.h",
+      "grpc++/impl/codegen/service_type.h",
+      "grpc++/impl/codegen/sync_stream.h"
+    };
+    std::vector<grpc::string> headers(headers_strs, array_end(headers_strs));
+    PrintIncludes(printer.get(), headers, params);
 
     if (!file->package().empty()) {
-      std::vector<grpc::string> parts =
-          grpc_generator::tokenize(file->package(), ".");
+      std::vector<grpc::string> parts = file->package_parts();
 
       for (auto part = parts.begin(); part != parts.end(); part++) {
         vars["part"] = *part;
-        printer.Print(vars, "namespace $part$ {\n");
+        printer->Print(vars, "namespace $part$ {\n");
       }
     }
 
-    printer.Print(vars, "\n");
+    printer->Print(vars, "\n");
   }
   return output;
 }
 
-void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
-                             const grpc::protobuf::MethodDescriptor *method,
+void PrintSourceClientMethod(Printer *printer,
+                             const Method *method,
                              std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Method"] = method->name();
-  (*vars)["Request"] =
-      grpc_cpp_generator::ClassName(method->input_type(), true);
-  (*vars)["Response"] =
-      grpc_cpp_generator::ClassName(method->output_type(), true);
-  if (NoStreaming(method)) {
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
+  if (method->NoStreaming()) {
     printer->Print(*vars,
                    "::grpc::Status $ns$$Service$::Stub::$Method$("
                    "::grpc::ClientContext* context, "
@@ -917,7 +923,7 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "rpcmethod_$Method$_, "
                    "context, request);\n"
                    "}\n\n");
-  } else if (ClientOnlyStreaming(method)) {
+  } else if (method->ClientOnlyStreaming()) {
     printer->Print(*vars,
                    "::grpc::ClientWriter< $Request$>* "
                    "$ns$$Service$::Stub::$Method$Raw("
@@ -939,7 +945,7 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "rpcmethod_$Method$_, "
                    "context, response, tag);\n"
                    "}\n\n");
-  } else if (ServerOnlyStreaming(method)) {
+  } else if (method->ServerOnlyStreaming()) {
     printer->Print(
         *vars,
         "::grpc::ClientReader< $Response$>* "
@@ -962,7 +968,7 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "rpcmethod_$Method$_, "
                    "context, request, tag);\n"
                    "}\n\n");
-  } else if (BidiStreaming(method)) {
+  } else if (method->BidiStreaming()) {
     printer->Print(
         *vars,
         "::grpc::ClientReaderWriter< $Request$, $Response$>* "
@@ -989,15 +995,13 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
   }
 }
 
-void PrintSourceServerMethod(grpc::protobuf::io::Printer *printer,
-                             const grpc::protobuf::MethodDescriptor *method,
+void PrintSourceServerMethod(Printer *printer,
+                             const Method *method,
                              std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Method"] = method->name();
-  (*vars)["Request"] =
-      grpc_cpp_generator::ClassName(method->input_type(), true);
-  (*vars)["Response"] =
-      grpc_cpp_generator::ClassName(method->output_type(), true);
-  if (NoStreaming(method)) {
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
+  if (method->NoStreaming()) {
     printer->Print(*vars,
                    "::grpc::Status $ns$$Service$::Service::$Method$("
                    "::grpc::ServerContext* context, "
@@ -1009,7 +1013,7 @@ void PrintSourceServerMethod(grpc::protobuf::io::Printer *printer,
         "  return ::grpc::Status("
         "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n");
     printer->Print("}\n\n");
-  } else if (ClientOnlyStreaming(method)) {
+  } else if (method->ClientOnlyStreaming()) {
     printer->Print(*vars,
                    "::grpc::Status $ns$$Service$::Service::$Method$("
                    "::grpc::ServerContext* context, "
@@ -1022,7 +1026,7 @@ void PrintSourceServerMethod(grpc::protobuf::io::Printer *printer,
         "  return ::grpc::Status("
         "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n");
     printer->Print("}\n\n");
-  } else if (ServerOnlyStreaming(method)) {
+  } else if (method->ServerOnlyStreaming()) {
     printer->Print(*vars,
                    "::grpc::Status $ns$$Service$::Service::$Method$("
                    "::grpc::ServerContext* context, "
@@ -1035,7 +1039,7 @@ void PrintSourceServerMethod(grpc::protobuf::io::Printer *printer,
         "  return ::grpc::Status("
         "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n");
     printer->Print("}\n\n");
-  } else if (BidiStreaming(method)) {
+  } else if (method->BidiStreaming()) {
     printer->Print(*vars,
                    "::grpc::Status $ns$$Service$::Service::$Method$("
                    "::grpc::ServerContext* context, "
@@ -1050,15 +1054,15 @@ void PrintSourceServerMethod(grpc::protobuf::io::Printer *printer,
   }
 }
 
-void PrintSourceService(grpc::protobuf::io::Printer *printer,
-                        const grpc::protobuf::ServiceDescriptor *service,
+void PrintSourceService(Printer *printer,
+                        const Service *service,
                         std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Service"] = service->name();
 
   printer->Print(*vars,
                  "static const char* $prefix$$Service$_method_names[] = {\n");
   for (int i = 0; i < service->method_count(); ++i) {
-    (*vars)["Method"] = service->method(i)->name();
+    (*vars)["Method"] = service->method(i).get()->name();
     printer->Print(*vars, "  \"/$Package$$Service$/$Method$\",\n");
   }
   printer->Print(*vars, "};\n\n");
@@ -1077,14 +1081,14 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
   printer->Indent();
   printer->Print(": channel_(channel)");
   for (int i = 0; i < service->method_count(); ++i) {
-    const grpc::protobuf::MethodDescriptor *method = service->method(i);
+    auto method = service->method(i);
     (*vars)["Method"] = method->name();
     (*vars)["Idx"] = as_string(i);
-    if (NoStreaming(method)) {
+    if (method->NoStreaming()) {
       (*vars)["StreamingType"] = "NORMAL_RPC";
-    } else if (ClientOnlyStreaming(method)) {
+    } else if (method->ClientOnlyStreaming()) {
       (*vars)["StreamingType"] = "CLIENT_STREAMING";
-    } else if (ServerOnlyStreaming(method)) {
+    } else if (method->ServerOnlyStreaming()) {
       (*vars)["StreamingType"] = "SERVER_STREAMING";
     } else {
       (*vars)["StreamingType"] = "BIDI_STREAMING";
@@ -1101,21 +1105,19 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
 
   for (int i = 0; i < service->method_count(); ++i) {
     (*vars)["Idx"] = as_string(i);
-    PrintSourceClientMethod(printer, service->method(i), vars);
+    PrintSourceClientMethod(printer, service->method(i).get(), vars);
   }
 
   printer->Print(*vars, "$ns$$Service$::Service::Service() {\n");
   printer->Indent();
   printer->Print(*vars, "(void)$prefix$$Service$_method_names;\n");
   for (int i = 0; i < service->method_count(); ++i) {
-    const grpc::protobuf::MethodDescriptor *method = service->method(i);
+    auto method = service->method(i);
     (*vars)["Idx"] = as_string(i);
     (*vars)["Method"] = method->name();
-    (*vars)["Request"] =
-        grpc_cpp_generator::ClassName(method->input_type(), true);
-    (*vars)["Response"] =
-        grpc_cpp_generator::ClassName(method->output_type(), true);
-    if (NoStreaming(method)) {
+    (*vars)["Request"] = method->input_type_name();
+    (*vars)["Response"] = method->output_type_name();
+    if (method->NoStreaming()) {
       printer->Print(
           *vars,
           "AddMethod(new ::grpc::RpcServiceMethod(\n"
@@ -1125,7 +1127,7 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
           "$Request$, "
           "$Response$>(\n"
           "        std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n");
-    } else if (ClientOnlyStreaming(method)) {
+    } else if (method->ClientOnlyStreaming()) {
       printer->Print(
           *vars,
           "AddMethod(new ::grpc::RpcServiceMethod(\n"
@@ -1134,7 +1136,7 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
           "    new ::grpc::ClientStreamingHandler< "
           "$ns$$Service$::Service, $Request$, $Response$>(\n"
           "        std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n");
-    } else if (ServerOnlyStreaming(method)) {
+    } else if (method->ServerOnlyStreaming()) {
       printer->Print(
           *vars,
           "AddMethod(new ::grpc::RpcServiceMethod(\n"
@@ -1143,7 +1145,7 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
           "    new ::grpc::ServerStreamingHandler< "
           "$ns$$Service$::Service, $Request$, $Response$>(\n"
           "        std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n");
-    } else if (BidiStreaming(method)) {
+    } else if (method->BidiStreaming()) {
       printer->Print(
           *vars,
           "AddMethod(new ::grpc::RpcServiceMethod(\n"
@@ -1161,17 +1163,16 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
                  "}\n\n");
   for (int i = 0; i < service->method_count(); ++i) {
     (*vars)["Idx"] = as_string(i);
-    PrintSourceServerMethod(printer, service->method(i), vars);
+    PrintSourceServerMethod(printer, service->method(i).get(), vars);
   }
 }
 
-grpc::string GetSourceServices(const grpc::protobuf::FileDescriptor *file,
+grpc::string GetSourceServices(File *file,
                                const Parameters &params) {
   grpc::string output;
   {
     // Scope the output stream so it closes and finalizes output to the string.
-    grpc::protobuf::io::StringOutputStream output_stream(&output);
-    grpc::protobuf::io::Printer printer(&output_stream, '$');
+    auto printer = file->CreatePrinter(&output);
     std::map<grpc::string, grpc::string> vars;
     // Package string is empty or ends with a dot. It is used to fully qualify
     // method names.
@@ -1188,20 +1189,18 @@ grpc::string GetSourceServices(const grpc::protobuf::FileDescriptor *file,
     }
 
     for (int i = 0; i < file->service_count(); ++i) {
-      PrintSourceService(&printer, file->service(i), &vars);
-      printer.Print("\n");
+      PrintSourceService(printer.get(), file->service(i).get(), &vars);
+      printer->Print("\n");
     }
   }
   return output;
 }
 
-grpc::string GetSourceEpilogue(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params) {
+grpc::string GetSourceEpilogue(File *file, const Parameters & /*params*/) {
   grpc::string temp;
 
   if (!file->package().empty()) {
-    std::vector<grpc::string> parts =
-        grpc_generator::tokenize(file->package(), ".");
+    std::vector<grpc::string> parts = file->package_parts();
 
     for (auto part = parts.begin(); part != parts.end(); part++) {
       temp.append("}  // namespace ");
diff --git a/src/compiler/cpp_generator.h b/src/compiler/cpp_generator.h
index 70c2e985f6b87e513de9ea1bf43c8519cdeb0415..2a003b106959d05ed27ec5199e5be6cd88f41404 100644
--- a/src/compiler/cpp_generator.h
+++ b/src/compiler/cpp_generator.h
@@ -34,7 +34,23 @@
 #ifndef GRPC_INTERNAL_COMPILER_CPP_GENERATOR_H
 #define GRPC_INTERNAL_COMPILER_CPP_GENERATOR_H
 
-#include "src/compiler/config.h"
+// cpp_generator.h/.cc do not directly depend on GRPC/ProtoBuf, such that they
+// can be used to generate code for other serialization systems, such as
+// FlatBuffers.
+
+#include <memory>
+#include <vector>
+
+#ifndef GRPC_CUSTOM_STRING
+#include <string>
+#define GRPC_CUSTOM_STRING std::string
+#endif
+
+namespace grpc {
+
+typedef GRPC_CUSTOM_STRING string;
+
+}  // namespace grpc
 
 namespace grpc_cpp_generator {
 
@@ -42,39 +58,97 @@ namespace grpc_cpp_generator {
 struct Parameters {
   // Puts the service into a namespace
   grpc::string services_namespace;
+  // Use system includes (<>) or local includes ("")
+  bool use_system_headers;
+  // Prefix to any grpc include
+  grpc::string grpc_search_path;
+};
+
+// A common interface for objects having comments in the source.
+// Return formatted comments to be inserted in generated code.
+struct CommentHolder {
+  virtual ~CommentHolder() {}
+  virtual grpc::string GetLeadingComments() const = 0;
+  virtual grpc::string GetTrailingComments() const = 0;
+};
+
+// An abstract interface representing a method.
+struct Method : public CommentHolder {
+  virtual ~Method() {}
+
+  virtual grpc::string name() const = 0;
+
+  virtual grpc::string input_type_name() const = 0;
+  virtual grpc::string output_type_name() const = 0;
+
+  virtual bool NoStreaming() const = 0;
+  virtual bool ClientOnlyStreaming() const = 0;
+  virtual bool ServerOnlyStreaming() const = 0;
+  virtual bool BidiStreaming() const = 0;
+};
+
+// An abstract interface representing a service.
+struct Service : public CommentHolder {
+  virtual ~Service() {}
+
+  virtual grpc::string name() const = 0;
+
+  virtual int method_count() const = 0;
+  virtual std::unique_ptr<const Method> method(int i) const = 0;
+};
+
+struct Printer {
+  virtual ~Printer() {}
+
+  virtual void Print(const std::map<grpc::string, grpc::string> &vars,
+                     const char *template_string) = 0;
+  virtual void Print(const char *string) = 0;
+  virtual void Indent() = 0;
+  virtual void Outdent() = 0;
+};
+
+// An interface that allows the source generated to be output using various
+// libraries/idls/serializers.
+struct File : public CommentHolder {
+  virtual ~File() {}
+
+  virtual grpc::string filename() const = 0;
+  virtual grpc::string filename_without_ext() const = 0;
+  virtual grpc::string message_header_ext() const = 0;
+  virtual grpc::string service_header_ext() const = 0;
+  virtual grpc::string package() const = 0;
+  virtual std::vector<grpc::string> package_parts() const = 0;
+  virtual grpc::string additional_headers() const = 0;
+
+  virtual int service_count() const = 0;
+  virtual std::unique_ptr<const Service> service(int i) const = 0;
+
+  virtual std::unique_ptr<Printer> CreatePrinter(grpc::string *str) const = 0;
 };
 
 // Return the prologue of the generated header file.
-grpc::string GetHeaderPrologue(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetHeaderPrologue(File *file, const Parameters &params);
 
 // Return the includes needed for generated header file.
-grpc::string GetHeaderIncludes(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetHeaderIncludes(File *file, const Parameters &params);
 
 // Return the includes needed for generated source file.
-grpc::string GetSourceIncludes(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetSourceIncludes(File *file, const Parameters &params);
 
 // Return the epilogue of the generated header file.
-grpc::string GetHeaderEpilogue(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetHeaderEpilogue(File *file, const Parameters &params);
 
 // Return the prologue of the generated source file.
-grpc::string GetSourcePrologue(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetSourcePrologue(File *file, const Parameters &params);
 
 // Return the services for generated header file.
-grpc::string GetHeaderServices(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetHeaderServices(File *file, const Parameters &params);
 
 // Return the services for generated source file.
-grpc::string GetSourceServices(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetSourceServices(File *file, const Parameters &params);
 
 // Return the epilogue of the generated source file.
-grpc::string GetSourceEpilogue(const grpc::protobuf::FileDescriptor *file,
-                               const Parameters &params);
+grpc::string GetSourceEpilogue(File *file, const Parameters &params);
 
 }  // namespace grpc_cpp_generator
 
diff --git a/src/compiler/cpp_plugin.cc b/src/compiler/cpp_plugin.cc
index 88c704948ecc59aa5f8952b63145c691386ce7be..0ec183e474e593ff4ecb79929987af3c10bb5789 100644
--- a/src/compiler/cpp_plugin.cc
+++ b/src/compiler/cpp_plugin.cc
@@ -35,11 +35,143 @@
 //
 
 #include <memory>
+#include <sstream>
 
 #include "src/compiler/config.h"
 
 #include "src/compiler/cpp_generator.h"
 #include "src/compiler/cpp_generator_helpers.h"
+#include "src/compiler/generator_helpers.h"
+
+using grpc_generator::GetCppComments;
+
+class ProtoBufMethod : public grpc_cpp_generator::Method {
+ public:
+  ProtoBufMethod(const grpc::protobuf::MethodDescriptor *method)
+    : method_(method) {}
+
+  grpc::string name() const { return method_->name(); }
+
+  grpc::string input_type_name() const {
+    return grpc_cpp_generator::ClassName(method_->input_type(), true);
+  }
+  grpc::string output_type_name() const {
+    return grpc_cpp_generator::ClassName(method_->output_type(), true);
+  }
+
+  bool NoStreaming() const {
+    return !method_->client_streaming() && !method_->server_streaming();
+  }
+
+  bool ClientOnlyStreaming() const {
+    return method_->client_streaming() && !method_->server_streaming();
+  }
+
+  bool ServerOnlyStreaming() const {
+    return !method_->client_streaming() && method_->server_streaming();
+  }
+
+  bool BidiStreaming() const {
+    return method_->client_streaming() && method_->server_streaming();
+  }
+
+  grpc::string GetLeadingComments() const {
+    return GetCppComments(method_, true);
+  }
+
+  grpc::string GetTrailingComments() const {
+    return GetCppComments(method_, false);
+  }
+
+ private:
+  const grpc::protobuf::MethodDescriptor *method_;
+};
+
+class ProtoBufService : public grpc_cpp_generator::Service {
+ public:
+  ProtoBufService(const grpc::protobuf::ServiceDescriptor *service)
+    : service_(service) {}
+
+  grpc::string name() const { return service_->name(); }
+
+  int method_count() const { return service_->method_count(); };
+  std::unique_ptr<const grpc_cpp_generator::Method> method(int i) const {
+    return std::unique_ptr<const grpc_cpp_generator::Method>(
+          new ProtoBufMethod(service_->method(i)));
+  };
+
+  grpc::string GetLeadingComments() const {
+    return GetCppComments(service_, true);
+  }
+
+  grpc::string GetTrailingComments() const {
+    return GetCppComments(service_, false);
+  }
+
+ private:
+  const grpc::protobuf::ServiceDescriptor *service_;
+};
+
+class ProtoBufPrinter : public grpc_cpp_generator::Printer {
+ public:
+  ProtoBufPrinter(grpc::string *str)
+    : output_stream_(str), printer_(&output_stream_, '$') {}
+
+  void Print(const std::map<grpc::string, grpc::string> &vars,
+             const char *string_template) {
+    printer_.Print(vars, string_template);
+  }
+
+  void Print(const char *string) { printer_.Print(string); }
+  void Indent() { printer_.Indent(); }
+  void Outdent() { printer_.Outdent(); }
+
+ private:
+  grpc::protobuf::io::StringOutputStream output_stream_;
+  grpc::protobuf::io::Printer printer_;
+};
+
+class ProtoBufFile : public grpc_cpp_generator::File {
+ public:
+  ProtoBufFile(const grpc::protobuf::FileDescriptor *file) : file_(file) {}
+
+  grpc::string filename() const { return file_->name(); }
+  grpc::string filename_without_ext() const {
+    return grpc_generator::StripProto(filename());
+  }
+
+  grpc::string message_header_ext() const { return ".pb.h"; }
+  grpc::string service_header_ext() const { return ".grpc.pb.h"; }
+
+  grpc::string package() const { return file_->package(); }
+  std::vector<grpc::string> package_parts() const {
+    return grpc_generator::tokenize(package(), ".");
+  }
+
+  grpc::string additional_headers() const { return ""; }
+
+  int service_count() const { return file_->service_count(); };
+  std::unique_ptr<const grpc_cpp_generator::Service> service(int i) const {
+    return std::unique_ptr<const grpc_cpp_generator::Service> (
+          new ProtoBufService(file_->service(i)));
+  }
+
+  std::unique_ptr<grpc_cpp_generator::Printer> CreatePrinter(grpc::string *str) const {
+    return std::unique_ptr<grpc_cpp_generator::Printer>(
+          new ProtoBufPrinter(str));
+  }
+
+  grpc::string GetLeadingComments() const {
+    return GetCppComments(file_, true);
+  }
+
+  grpc::string GetTrailingComments() const {
+    return GetCppComments(file_, false);
+  }
+
+ private:
+  const grpc::protobuf::FileDescriptor *file_;
+};
 
 class CppGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
  public:
@@ -59,6 +191,9 @@ class CppGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
     }
 
     grpc_cpp_generator::Parameters generator_parameters;
+    generator_parameters.use_system_headers = true;
+
+    ProtoBufFile pbfile(file);
 
     if (!parameter.empty()) {
       std::vector<grpc::string> parameters_list =
@@ -70,6 +205,17 @@ class CppGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
           grpc_generator::tokenize(*parameter_string, "=");
         if (param[0] == "services_namespace") {
           generator_parameters.services_namespace = param[1];
+        } else if (param[0] == "use_system_headers") {
+          if (param[1] == "true") {
+            generator_parameters.use_system_headers = true;
+          } else if (param[1] == "false") {
+            generator_parameters.use_system_headers = false;
+          } else {
+            *error = grpc::string("Invalid parameter: ") + *parameter_string;
+            return false;
+          }
+        } else if (param[0] == "grpc_search_path") {
+          generator_parameters.grpc_search_path = param[1];
         } else {
           *error = grpc::string("Unknown parameter: ") + *parameter_string;
           return false;
@@ -80,10 +226,10 @@ class CppGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
     grpc::string file_name = grpc_generator::StripProto(file->name());
 
     grpc::string header_code =
-        grpc_cpp_generator::GetHeaderPrologue(file, generator_parameters) +
-        grpc_cpp_generator::GetHeaderIncludes(file, generator_parameters) +
-        grpc_cpp_generator::GetHeaderServices(file, generator_parameters) +
-        grpc_cpp_generator::GetHeaderEpilogue(file, generator_parameters);
+        grpc_cpp_generator::GetHeaderPrologue(&pbfile, generator_parameters) +
+        grpc_cpp_generator::GetHeaderIncludes(&pbfile, generator_parameters) +
+        grpc_cpp_generator::GetHeaderServices(&pbfile, generator_parameters) +
+        grpc_cpp_generator::GetHeaderEpilogue(&pbfile, generator_parameters);
     std::unique_ptr<grpc::protobuf::io::ZeroCopyOutputStream> header_output(
         context->Open(file_name + ".grpc.pb.h"));
     grpc::protobuf::io::CodedOutputStream header_coded_out(
@@ -91,10 +237,10 @@ class CppGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
     header_coded_out.WriteRaw(header_code.data(), header_code.size());
 
     grpc::string source_code =
-        grpc_cpp_generator::GetSourcePrologue(file, generator_parameters) +
-        grpc_cpp_generator::GetSourceIncludes(file, generator_parameters) +
-        grpc_cpp_generator::GetSourceServices(file, generator_parameters) +
-        grpc_cpp_generator::GetSourceEpilogue(file, generator_parameters);
+        grpc_cpp_generator::GetSourcePrologue(&pbfile, generator_parameters) +
+        grpc_cpp_generator::GetSourceIncludes(&pbfile, generator_parameters) +
+        grpc_cpp_generator::GetSourceServices(&pbfile, generator_parameters) +
+        grpc_cpp_generator::GetSourceEpilogue(&pbfile, generator_parameters);
     std::unique_ptr<grpc::protobuf::io::ZeroCopyOutputStream> source_output(
         context->Open(file_name + ".grpc.pb.cc"));
     grpc::protobuf::io::CodedOutputStream source_coded_out(
diff --git a/src/compiler/csharp_generator.cc b/src/compiler/csharp_generator.cc
index f6079bdc05abfd6af67faf117598b451324f46ab..4def6c5e31f2b53b950ccd01f62fffafe59142d5 100644
--- a/src/compiler/csharp_generator.cc
+++ b/src/compiler/csharp_generator.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -81,6 +81,10 @@ std::string GetServerInterfaceName(const ServiceDescriptor* service) {
   return "I" + service->name();
 }
 
+std::string GetServerClassName(const ServiceDescriptor* service) {
+  return service->name() + "Base";
+}
+
 std::string GetCSharpMethodType(MethodType method_type) {
   switch (method_type) {
     case METHODTYPE_NO_STREAMING:
@@ -108,10 +112,14 @@ std::string GetMethodFieldName(const MethodDescriptor *method) {
   return "__Method_" + method->name();
 }
 
-std::string GetMethodRequestParamMaybe(const MethodDescriptor *method) {
+std::string GetMethodRequestParamMaybe(const MethodDescriptor *method,
+                                       bool invocation_param=false) {
   if (method->client_streaming()) {
     return "";
   }
+  if (invocation_param) {
+    return "request, ";
+  }
   return GetClassName(method->input_type()) + " request, ";
 }
 
@@ -242,6 +250,8 @@ void GenerateServiceDescriptorProperty(Printer* out, const ServiceDescriptor *se
 
 void GenerateClientInterface(Printer* out, const ServiceDescriptor *service) {
   out->Print("// client interface\n");
+  out->Print("[System.Obsolete(\"Client side interfaced will be removed "
+             "in the next release. Use client class directly.\")]\n");
   out->Print("public interface $name$\n", "name",
              GetClientInterfaceName(service));
   out->Print("{\n");
@@ -290,6 +300,8 @@ void GenerateClientInterface(Printer* out, const ServiceDescriptor *service) {
 
 void GenerateServerInterface(Printer* out, const ServiceDescriptor *service) {
   out->Print("// server-side interface\n");
+  out->Print("[System.Obsolete(\"Service implementations should inherit"
+      " from the generated abstract base class instead.\")]\n");
   out->Print("public interface $name$\n", "name",
              GetServerInterfaceName(service));
   out->Print("{\n");
@@ -309,21 +321,66 @@ void GenerateServerInterface(Printer* out, const ServiceDescriptor *service) {
   out->Print("\n");
 }
 
+void GenerateServerClass(Printer* out, const ServiceDescriptor *service) {
+  out->Print("// server-side abstract class\n");
+  out->Print("public abstract class $name$\n", "name",
+             GetServerClassName(service));
+  out->Print("{\n");
+  out->Indent();
+  for (int i = 0; i < service->method_count(); i++) {
+    const MethodDescriptor *method = service->method(i);
+    out->Print(
+        "public virtual $returntype$ $methodname$($request$$response_stream_maybe$, "
+        "ServerCallContext context)\n",
+        "methodname", method->name(), "returntype",
+        GetMethodReturnTypeServer(method), "request",
+        GetMethodRequestParamServer(method), "response_stream_maybe",
+        GetMethodResponseStreamMaybe(method));
+    out->Print("{\n");
+    out->Indent();
+    out->Print("throw new RpcException("
+               "new Status(StatusCode.Unimplemented, \"\"));\n");
+    out->Outdent();
+    out->Print("}\n\n");
+  }
+  out->Outdent();
+  out->Print("}\n");
+  out->Print("\n");
+}
+
 void GenerateClientStub(Printer* out, const ServiceDescriptor *service) {
   out->Print("// client stub\n");
+  out->Print("#pragma warning disable 0618\n");
   out->Print(
-      "public class $name$ : ClientBase, $interface$\n",
-      "name", GetClientClassName(service), "interface",
-      GetClientInterfaceName(service));
+      "public class $name$ : ClientBase<$name$>, $interface$\n",
+      "name", GetClientClassName(service),
+      "interface", GetClientInterfaceName(service));
+  out->Print("#pragma warning restore 0618\n");
   out->Print("{\n");
   out->Indent();
 
   // constructors
-  out->Print(
-      "public $name$(Channel channel) : base(channel)\n",
-      "name", GetClientClassName(service));
+  out->Print("public $name$(Channel channel) : base(channel)\n",
+             "name", GetClientClassName(service));
+  out->Print("{\n");
+  out->Print("}\n");
+  out->Print("public $name$(CallInvoker callInvoker) : base(callInvoker)\n",
+             "name", GetClientClassName(service));
   out->Print("{\n");
   out->Print("}\n");
+  out->Print("///<summary>Protected parameterless constructor to allow creation"
+             " of test doubles.</summary>\n");
+  out->Print("protected $name$() : base()\n",
+             "name", GetClientClassName(service));
+  out->Print("{\n");
+  out->Print("}\n");
+  out->Print("///<summary>Protected constructor to allow creation of configured"
+             " clients.</summary>\n");
+  out->Print("protected $name$(ClientBaseConfiguration configuration)"
+             " : base(configuration)\n",
+             "name", GetClientClassName(service));
+  out->Print("{\n");
+  out->Print("}\n\n");
 
   for (int i = 0; i < service->method_count(); i++) {
     const MethodDescriptor *method = service->method(i);
@@ -331,30 +388,26 @@ void GenerateClientStub(Printer* out, const ServiceDescriptor *service) {
 
     if (method_type == METHODTYPE_NO_STREAMING) {
       // unary calls have an extra synchronous stub method
-      out->Print(
-          "public $response$ $methodname$($request$ request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))\n",
+      out->Print("public virtual $response$ $methodname$($request$ request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))\n",
           "methodname", method->name(), "request",
           GetClassName(method->input_type()), "response",
           GetClassName(method->output_type()));
       out->Print("{\n");
       out->Indent();
-      out->Print("var call = CreateCall($methodfield$, new CallOptions(headers, deadline, cancellationToken));\n",
-                 "methodfield", GetMethodFieldName(method));
-      out->Print("return Calls.BlockingUnaryCall(call, request);\n");
+      out->Print("return $methodname$(request, new CallOptions(headers, deadline, cancellationToken));\n",
+                 "methodname", method->name());
       out->Outdent();
       out->Print("}\n");
 
       // overload taking CallOptions as a param
-      out->Print(
-                "public $response$ $methodname$($request$ request, CallOptions options)\n",
-                "methodname", method->name(), "request",
-                GetClassName(method->input_type()), "response",
-                GetClassName(method->output_type()));
+      out->Print("public virtual $response$ $methodname$($request$ request, CallOptions options)\n",
+          "methodname", method->name(), "request",
+          GetClassName(method->input_type()), "response",
+          GetClassName(method->output_type()));
       out->Print("{\n");
       out->Indent();
-      out->Print("var call = CreateCall($methodfield$, options);\n",
+      out->Print("return CallInvoker.BlockingUnaryCall($methodfield$, null, options, request);\n",
                  "methodfield", GetMethodFieldName(method));
-      out->Print("return Calls.BlockingUnaryCall(call, request);\n");
       out->Outdent();
       out->Print("}\n");
     }
@@ -364,57 +417,44 @@ void GenerateClientStub(Printer* out, const ServiceDescriptor *service) {
       method_name += "Async";  // prevent name clash with synchronous method.
     }
     out->Print(
-        "public $returntype$ $methodname$($request_maybe$Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))\n",
-        "methodname", method_name, "request_maybe",
-        GetMethodRequestParamMaybe(method), "returntype",
-        GetMethodReturnTypeClient(method));
+            "public virtual $returntype$ $methodname$($request_maybe$Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))\n",
+            "methodname", method_name, "request_maybe",
+            GetMethodRequestParamMaybe(method), "returntype",
+            GetMethodReturnTypeClient(method));
     out->Print("{\n");
     out->Indent();
-    out->Print("var call = CreateCall($methodfield$, new CallOptions(headers, deadline, cancellationToken));\n",
-               "methodfield", GetMethodFieldName(method));
-    switch (GetMethodType(method)) {
-      case METHODTYPE_NO_STREAMING:
-        out->Print("return Calls.AsyncUnaryCall(call, request);\n");
-        break;
-      case METHODTYPE_CLIENT_STREAMING:
-        out->Print("return Calls.AsyncClientStreamingCall(call);\n");
-        break;
-      case METHODTYPE_SERVER_STREAMING:
-        out->Print(
-            "return Calls.AsyncServerStreamingCall(call, request);\n");
-        break;
-      case METHODTYPE_BIDI_STREAMING:
-        out->Print("return Calls.AsyncDuplexStreamingCall(call);\n");
-        break;
-      default:
-        GOOGLE_LOG(FATAL)<< "Can't get here.";
-    }
+
+    out->Print("return $methodname$($request_maybe$new CallOptions(headers, deadline, cancellationToken));\n",
+               "methodname", method_name,
+               "request_maybe", GetMethodRequestParamMaybe(method, true));
     out->Outdent();
     out->Print("}\n");
 
     // overload taking CallOptions as a param
     out->Print(
-        "public $returntype$ $methodname$($request_maybe$CallOptions options)\n",
+        "public virtual $returntype$ $methodname$($request_maybe$CallOptions options)\n",
         "methodname", method_name, "request_maybe",
         GetMethodRequestParamMaybe(method), "returntype",
         GetMethodReturnTypeClient(method));
     out->Print("{\n");
     out->Indent();
-    out->Print("var call = CreateCall($methodfield$, options);\n",
-               "methodfield", GetMethodFieldName(method));
     switch (GetMethodType(method)) {
       case METHODTYPE_NO_STREAMING:
-        out->Print("return Calls.AsyncUnaryCall(call, request);\n");
+        out->Print("return CallInvoker.AsyncUnaryCall($methodfield$, null, options, request);\n",
+                   "methodfield", GetMethodFieldName(method));
         break;
       case METHODTYPE_CLIENT_STREAMING:
-        out->Print("return Calls.AsyncClientStreamingCall(call);\n");
+        out->Print("return CallInvoker.AsyncClientStreamingCall($methodfield$, null, options);\n",
+                   "methodfield", GetMethodFieldName(method));
         break;
       case METHODTYPE_SERVER_STREAMING:
         out->Print(
-            "return Calls.AsyncServerStreamingCall(call, request);\n");
+            "return CallInvoker.AsyncServerStreamingCall($methodfield$, null, options, request);\n",
+            "methodfield", GetMethodFieldName(method));
         break;
       case METHODTYPE_BIDI_STREAMING:
-        out->Print("return Calls.AsyncDuplexStreamingCall(call);\n");
+        out->Print("return CallInvoker.AsyncDuplexStreamingCall($methodfield$, null, options);\n",
+                   "methodfield", GetMethodFieldName(method));
         break;
       default:
         GOOGLE_LOG(FATAL)<< "Can't get here.";
@@ -422,17 +462,32 @@ void GenerateClientStub(Printer* out, const ServiceDescriptor *service) {
     out->Outdent();
     out->Print("}\n");
   }
+
+  // override NewInstance method
+  out->Print("protected override $name$ NewInstance(ClientBaseConfiguration configuration)\n",
+             "name", GetClientClassName(service));
+  out->Print("{\n");
+  out->Indent();
+  out->Print("return new $name$(configuration);\n",
+             "name", GetClientClassName(service));
+  out->Outdent();
+  out->Print("}\n");
+
   out->Outdent();
   out->Print("}\n");
   out->Print("\n");
 }
 
-void GenerateBindServiceMethod(Printer* out, const ServiceDescriptor *service) {
+void GenerateBindServiceMethod(Printer* out, const ServiceDescriptor *service,
+                               bool use_server_class) {
   out->Print(
       "// creates service definition that can be registered with a server\n");
+  out->Print("#pragma warning disable 0618\n");
   out->Print(
       "public static ServerServiceDefinition BindService($interface$ serviceImpl)\n",
-      "interface", GetServerInterfaceName(service));
+      "interface", use_server_class ? GetServerClassName(service) :
+          GetServerInterfaceName(service));
+  out->Print("#pragma warning restore 0618\n");
   out->Print("{\n");
   out->Indent();
 
@@ -489,8 +544,10 @@ void GenerateService(Printer* out, const ServiceDescriptor *service) {
   GenerateServiceDescriptorProperty(out, service);
   GenerateClientInterface(out, service);
   GenerateServerInterface(out, service);
+  GenerateServerClass(out, service);
   GenerateClientStub(out, service);
-  GenerateBindServiceMethod(out, service);
+  GenerateBindServiceMethod(out, service, false);
+  GenerateBindServiceMethod(out, service, true);
   GenerateNewStubMethods(out, service);
 
   out->Outdent();
diff --git a/src/compiler/generator_helpers.h b/src/compiler/generator_helpers.h
index e1bb66a8753b0c2f75bde5be0decc9895243c82e..bd077cf7983d957887a794110f2a7fb05a2af2ca 100644
--- a/src/compiler/generator_helpers.h
+++ b/src/compiler/generator_helpers.h
@@ -34,7 +34,11 @@
 #ifndef GRPC_INTERNAL_COMPILER_GENERATOR_HELPERS_H
 #define GRPC_INTERNAL_COMPILER_GENERATOR_HELPERS_H
 
+#include <iostream>
 #include <map>
+#include <sstream>
+#include <string>
+#include <vector>
 
 #include "src/compiler/config.h"
 
@@ -52,6 +56,16 @@ inline bool StripSuffix(grpc::string *filename, const grpc::string &suffix) {
   return false;
 }
 
+inline bool StripPrefix(grpc::string *name, const grpc::string &prefix) {
+  if (name->length() >= prefix.length()) {
+    if (name->substr(0, prefix.size()) == prefix) {
+      *name = name->substr(prefix.size());
+      return true;
+    }
+  }
+  return false;
+}
+
 inline grpc::string StripProto(grpc::string filename) {
   if (!StripSuffix(&filename, ".protodevel")) {
     StripSuffix(&filename, ".proto");
@@ -165,6 +179,111 @@ inline MethodType GetMethodType(const grpc::protobuf::MethodDescriptor *method)
   }
 }
 
+inline void Split(const grpc::string &s, char delim,
+                  std::vector<grpc::string> *append_to) {
+  std::istringstream iss(s);
+  grpc::string piece;
+  while (std::getline(iss, piece)) {
+    append_to->push_back(piece);
+  }
+}
+
+enum CommentType {
+  COMMENTTYPE_LEADING,
+  COMMENTTYPE_TRAILING,
+  COMMENTTYPE_LEADING_DETACHED
+};
+
+// Get all the raw comments and append each line without newline to out.
+template <typename DescriptorType>
+inline void GetComment(const DescriptorType *desc, CommentType type,
+                       std::vector<grpc::string> *out) {
+  grpc::protobuf::SourceLocation location;
+  if (!desc->GetSourceLocation(&location)) {
+    return;
+  }
+  if (type == COMMENTTYPE_LEADING || type == COMMENTTYPE_TRAILING) {
+    const grpc::string &comments = type == COMMENTTYPE_LEADING
+                                       ? location.leading_comments
+                                       : location.trailing_comments;
+    Split(comments, '\n', out);
+  } else if (type == COMMENTTYPE_LEADING_DETACHED) {
+    for (unsigned int i = 0; i < location.leading_detached_comments.size();
+         i++) {
+      Split(location.leading_detached_comments[i], '\n', out);
+      out->push_back("");
+    }
+  } else {
+    std::cerr << "Unknown comment type " << type << std::endl;
+    abort();
+  }
+}
+
+// Each raw comment line without newline is appended to out.
+// For file level leading and detached leading comments, we return comments
+// above syntax line. Return nothing for trailing comments.
+template <>
+inline void GetComment(const grpc::protobuf::FileDescriptor *desc,
+                       CommentType type, std::vector<grpc::string> *out) {
+  if (type == COMMENTTYPE_TRAILING) {
+    return;
+  }
+  grpc::protobuf::SourceLocation location;
+  std::vector<int> path;
+  path.push_back(grpc::protobuf::FileDescriptorProto::kSyntaxFieldNumber);
+  if (!desc->GetSourceLocation(path, &location)) {
+    return;
+  }
+  if (type == COMMENTTYPE_LEADING) {
+    Split(location.leading_comments, '\n', out);
+  } else if (type == COMMENTTYPE_LEADING_DETACHED) {
+    for (unsigned int i = 0; i < location.leading_detached_comments.size();
+         i++) {
+      Split(location.leading_detached_comments[i], '\n', out);
+      out->push_back("");
+    }
+  } else {
+    std::cerr << "Unknown comment type " << type << std::endl;
+    abort();
+  }
+}
+
+// Add prefix and newline to each comment line and concatenate them together.
+// Make sure there is a space after the prefix unless the line is empty.
+inline grpc::string GenerateCommentsWithPrefix(
+    const std::vector<grpc::string> &in, const grpc::string &prefix) {
+  std::ostringstream oss;
+  for (const grpc::string &elem : in) {
+    if (elem.empty()) {
+      oss << prefix << "\n";
+    } else if (elem[0] == ' ') {
+      oss << prefix << elem << "\n";
+    } else {
+      oss << prefix << " " << elem << "\n";
+    }
+  }
+  return oss.str();
+}
+
+// Get leading or trailing comments in a string. Comment lines start with "// ".
+// Leading detached comments are put in in front of leading comments.
+template <typename DescriptorType>
+inline grpc::string GetCppComments(const DescriptorType *desc, bool leading) {
+  std::vector<grpc::string> out;
+  if (leading) {
+    grpc_generator::GetComment(
+        desc, grpc_generator::COMMENTTYPE_LEADING_DETACHED, &out);
+    std::vector<grpc::string> leading;
+    grpc_generator::GetComment(desc, grpc_generator::COMMENTTYPE_LEADING,
+                               &leading);
+    out.insert(out.end(), leading.begin(), leading.end());
+  } else {
+    grpc_generator::GetComment(desc, grpc_generator::COMMENTTYPE_TRAILING,
+                               &out);
+  }
+  return GenerateCommentsWithPrefix(out, "//");
+}
+
 }  // namespace grpc_generator
 
 #endif  // GRPC_INTERNAL_COMPILER_GENERATOR_HELPERS_H
diff --git a/src/compiler/node_generator.cc b/src/compiler/node_generator.cc
new file mode 100644
index 0000000000000000000000000000000000000000..822622cccf9c553adbc6bd846f85691b0ed91f80
--- /dev/null
+++ b/src/compiler/node_generator.cc
@@ -0,0 +1,277 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <map>
+
+#include "src/compiler/config.h"
+#include "src/compiler/generator_helpers.h"
+#include "src/compiler/node_generator_helpers.h"
+
+using grpc::protobuf::FileDescriptor;
+using grpc::protobuf::ServiceDescriptor;
+using grpc::protobuf::MethodDescriptor;
+using grpc::protobuf::Descriptor;
+using grpc::protobuf::io::Printer;
+using grpc::protobuf::io::StringOutputStream;
+using std::map;
+
+namespace grpc_node_generator {
+namespace {
+
+// Returns the alias we assign to the module of the given .proto filename
+// when importing. Copied entirely from
+// github:google/protobuf/src/google/protobuf/compiler/js/js_generator.cc#L154
+grpc::string ModuleAlias(const grpc::string filename) {
+  // This scheme could technically cause problems if a file includes any 2 of:
+  //   foo/bar_baz.proto
+  //   foo_bar_baz.proto
+  //   foo_bar/baz.proto
+  //
+  // We'll worry about this problem if/when we actually see it.  This name isn't
+  // exposed to users so we can change it later if we need to.
+  grpc::string basename = grpc_generator::StripProto(filename);
+  basename = grpc_generator::StringReplace(basename, "-", "$");
+  basename = grpc_generator::StringReplace(basename, "/", "_");
+  return basename + "_pb";
+}
+
+// Given a filename like foo/bar/baz.proto, returns the corresponding JavaScript
+// message file foo/bar/baz.js
+grpc::string GetJSMessageFilename(const grpc::string& filename) {
+  grpc::string name = filename;
+  return grpc_generator::StripProto(name) + "_pb.js";
+}
+
+// Given a filename like foo/bar/baz.proto, returns the root directory
+// path ../../
+grpc::string GetRootPath(const grpc::string& filename) {
+  size_t slashes = std::count(filename.begin(), filename.end(), '/');
+  if (slashes == 0) {
+    return "./";
+  }
+  grpc::string result = "";
+  for (size_t i = 0; i < slashes; i++) {
+    result += "../";
+  }
+  return result;
+}
+
+// Return the relative path to load to_file from the directory containing
+// from_file, assuming that both paths are relative to the same directory
+grpc::string GetRelativePath(const grpc::string& from_file,
+                             const grpc::string& to_file) {
+  return GetRootPath(from_file) + to_file;
+}
+
+/* Finds all message types used in all services in the file, and returns them
+ * as a map of fully qualified message type name to message descriptor */
+map<grpc::string, const Descriptor*> GetAllMessages(const FileDescriptor *file) {
+  map<grpc::string, const Descriptor*> message_types;
+  for (int service_num = 0; service_num < file->service_count(); service_num++) {
+    const ServiceDescriptor* service = file->service(service_num);
+    for (int method_num = 0; method_num < service->method_count(); method_num++) {
+      const MethodDescriptor* method = service->method(method_num);
+      const Descriptor* input_type = method->input_type();
+      const Descriptor* output_type = method->output_type();
+      message_types[input_type->name()] = input_type;
+      message_types[output_type->name()] = output_type;
+    }
+  }
+  return message_types;
+}
+
+grpc::string MessageIdentifierName(const grpc::string& name) {
+  return grpc_generator::StringReplace(name, ".", "_");
+}
+
+grpc::string NodeObjectPath(const Descriptor *descriptor) {
+  grpc::string module_alias = ModuleAlias(descriptor->file()->name());
+  grpc::string name = descriptor->name();
+  grpc_generator::StripPrefix(&name, descriptor->file()->package() + ".");
+  return module_alias + "." + name;
+}
+
+// Prints out the message serializer and deserializer functions
+void PrintMessageTransformer(const Descriptor *descriptor, Printer *out) {
+  map<grpc::string, grpc::string> template_vars;
+  template_vars["identifier_name"] = MessageIdentifierName(descriptor->name());
+  template_vars["name"] = descriptor->name();
+  template_vars["node_name"] = NodeObjectPath(descriptor);
+  // Print the serializer
+  out->Print(template_vars, "function serialize_$identifier_name$(arg) {\n");
+  out->Indent();
+  out->Print(template_vars, "if (!(arg instanceof $node_name$)) {\n");
+  out->Indent();
+  out->Print(template_vars,
+             "throw new Error('Expected argument of type $name$');\n");
+  out->Outdent();
+  out->Print("}\n");
+  out->Print("return new Buffer(arg.serializeBinary());\n");
+  out->Outdent();
+  out->Print("}\n\n");
+
+  // Print the deserializer
+  out->Print(template_vars,
+             "function deserialize_$identifier_name$(buffer_arg) {\n");
+  out->Indent();
+  out->Print(
+      template_vars,
+      "return $node_name$.deserializeBinary(new Uint8Array(buffer_arg));\n");
+  out->Outdent();
+  out->Print("}\n\n");
+}
+
+void PrintMethod(const MethodDescriptor *method, Printer *out) {
+  const Descriptor *input_type = method->input_type();
+  const Descriptor *output_type = method->output_type();
+  map<grpc::string, grpc::string> vars;
+  vars["service_name"] = method->service()->full_name();
+  vars["name"] = method->name();
+  vars["input_type"] = NodeObjectPath(input_type);
+  vars["input_type_id"] = MessageIdentifierName(input_type->name());
+  vars["output_type"] = NodeObjectPath(output_type);
+  vars["output_type_id"] = MessageIdentifierName(output_type->name());
+  vars["client_stream"] = method->client_streaming() ? "true" : "false";
+  vars["server_stream"] = method->server_streaming() ? "true" : "false";
+  out->Print("{\n");
+  out->Indent();
+  out->Print(vars, "path: '/$service_name$/$name$',\n");
+  out->Print(vars, "requestStream: $client_stream$,\n");
+  out->Print(vars, "responseStream: $server_stream$,\n");
+  out->Print(vars, "requestType: $input_type$,\n");
+  out->Print(vars, "responseType: $output_type$,\n");
+  out->Print(vars, "requestSerialize: serialize_$input_type_id$,\n");
+  out->Print(vars, "requestDeserialize: deserialize_$input_type_id$,\n");
+  out->Print(vars, "responseSerialize: serialize_$output_type_id$,\n");
+  out->Print(vars, "responseDeserialize: deserialize_$output_type_id$,\n");
+  out->Outdent();
+  out->Print("}");
+}
+
+// Prints out the service descriptor object
+void PrintService(const ServiceDescriptor *service, Printer *out) {
+  map<grpc::string, grpc::string> template_vars;
+  template_vars["name"] = service->name();
+  out->Print(template_vars, "var $name$Service = exports.$name$Service = {\n");
+  out->Indent();
+  for (int i = 0; i < service->method_count(); i++) {
+    grpc::string method_name = grpc_generator::LowercaseFirstLetter(
+        service->method(i)->name());
+    out->Print("$method_name$: ",
+               "method_name", method_name);
+    PrintMethod(service->method(i), out);
+    out->Print(",\n");
+  }
+  out->Outdent();
+  out->Print("};\n\n");
+  out->Print(template_vars, "exports.$name$Client = "
+             "grpc.makeGenericClientConstructor($name$Service);\n");
+}
+
+}
+
+grpc::string GetImports(const FileDescriptor *file) {
+  grpc::string output;
+  {
+    StringOutputStream output_stream(&output);
+    Printer out(&output_stream, '$');
+
+    if (file->service_count() == 0) {
+      return output;
+    }
+
+    out.Print("// GENERATED CODE -- DO NOT EDIT!\n\n");
+
+    out.Print("'use strict';\n");
+
+    out.Print("var grpc = require('grpc');\n");
+    if (file->message_type_count() > 0) {
+      grpc::string file_path = GetRelativePath(file->name(),
+                                               GetJSMessageFilename(
+                                                   file->name()));
+      out.Print("var $module_alias$ = require('$file_path$');\n",
+                "module_alias", ModuleAlias(file->name()),
+                "file_path", file_path);
+    }
+
+    for (int i = 0; i < file->dependency_count(); i++) {
+      grpc::string file_path = GetRelativePath(
+          file->name(), GetJSMessageFilename(file->dependency(i)->name()));
+      out.Print("var $module_alias$ = require('$file_path$');\n",
+                "module_alias", ModuleAlias(file->dependency(i)->name()),
+                "file_path", file_path);
+    }
+    out.Print("\n");
+  }
+  return output;
+}
+
+grpc::string GetTransformers(const FileDescriptor *file) {
+  grpc::string output;
+  {
+    StringOutputStream output_stream(&output);
+    Printer out(&output_stream, '$');
+
+    if (file->service_count() == 0) {
+      return output;
+    }
+
+    map<grpc::string, const Descriptor*> messages = GetAllMessages(file);
+    for (std::map<grpc::string, const Descriptor*>::iterator it =
+             messages.begin();
+         it != messages.end(); it++) {
+      PrintMessageTransformer(it->second, &out);
+    }
+    out.Print("\n");
+  }
+  return output;
+}
+
+grpc::string GetServices(const FileDescriptor *file) {
+  grpc::string output;
+  {
+    StringOutputStream output_stream(&output);
+    Printer out(&output_stream, '$');
+
+    if (file->service_count() == 0) {
+      return output;
+    }
+
+    for (int i = 0; i < file->service_count(); i++) {
+      PrintService(file->service(i), &out);
+    }
+  }
+  return output;
+}
+
+}  // namespace grpc_node_generator
diff --git a/src/compiler/node_generator.h b/src/compiler/node_generator.h
new file mode 100644
index 0000000000000000000000000000000000000000..249a0d011f88bac53353e8297ec8b7fed8470f67
--- /dev/null
+++ b/src/compiler/node_generator.h
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_INTERNAL_COMPILER_NODE_GENERATOR_H
+#define GRPC_INTERNAL_COMPILER_NODE_GENERATOR_H
+
+#include "src/compiler/config.h"
+
+namespace grpc_node_generator {
+
+grpc::string GetImports(const grpc::protobuf::FileDescriptor *file);
+
+grpc::string GetTransformers(const grpc::protobuf::FileDescriptor *file);
+
+grpc::string GetServices(const grpc::protobuf::FileDescriptor *file);
+
+}  // namespace grpc_node_generator
+
+#endif  // GRPC_INTERNAL_COMPILER_NODE_GENERATOR_H
diff --git a/src/compiler/node_generator_helpers.h b/src/compiler/node_generator_helpers.h
new file mode 100644
index 0000000000000000000000000000000000000000..f41a2bcf59a7afcd76b3c74f4cbd8604c190793f
--- /dev/null
+++ b/src/compiler/node_generator_helpers.h
@@ -0,0 +1,50 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_INTERNAL_COMPILER_NODE_GENERATOR_HELPERS_H
+#define GRPC_INTERNAL_COMPILER_NODE_GENERATOR_HELPERS_H
+
+#include <algorithm>
+
+#include "src/compiler/config.h"
+#include "src/compiler/generator_helpers.h"
+
+namespace grpc_node_generator {
+
+inline grpc::string GetJSServiceFilename(const grpc::string& filename) {
+  return grpc_generator::StripProto(filename) + "_grpc_pb.js";
+}
+
+}  // namespace grpc_node_generator
+
+#endif  // GRPC_INTERNAL_COMPILER_NODE_GENERATOR_HELPERS_H
diff --git a/src/core/channel/client_uchannel.h b/src/compiler/node_plugin.cc
similarity index 53%
rename from src/core/channel/client_uchannel.h
rename to src/compiler/node_plugin.cc
index 92a831493cfbf7625850c3da82b930bcc72ac01e..ac5ced35589bf557cf2e360ad0315c89c2b20bfa 100644
--- a/src/core/channel/client_uchannel.h
+++ b/src/compiler/node_plugin.cc
@@ -31,30 +31,47 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H
-#define GRPC_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H
+// Generates Node gRPC service interface out of Protobuf IDL.
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/client_config/resolver.h"
+#include <memory>
 
-#define GRPC_MICROCHANNEL_SUBCHANNEL_ARG "grpc.microchannel_subchannel_key"
+#include "src/compiler/config.h"
+#include "src/compiler/node_generator.h"
+#include "src/compiler/node_generator_helpers.h"
 
-/* A client microchannel (aka uchannel) is a channel wrapping a subchannel, for
- * the purposes of lightweight RPC communications from within the core.*/
+using grpc_node_generator::GetImports;
+using grpc_node_generator::GetJSServiceFilename;
+using grpc_node_generator::GetServices;
+using grpc_node_generator::GetTransformers;
 
-extern const grpc_channel_filter grpc_client_uchannel_filter;
+class NodeGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
+ public:
+  NodeGrpcGenerator() {}
+  ~NodeGrpcGenerator() {}
 
-grpc_connectivity_state grpc_client_uchannel_check_connectivity_state(
-    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, int try_to_connect);
+  bool Generate(const grpc::protobuf::FileDescriptor *file,
+                const grpc::string &parameter,
+                grpc::protobuf::compiler::GeneratorContext *context,
+                grpc::string *error) const {
+    grpc::string code = GetImports(file) +
+        GetTransformers(file) +
+        GetServices(file);
+    if (code.size() == 0) {
+      return true;
+    }
 
-void grpc_client_uchannel_watch_connectivity_state(
-    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, grpc_pollset *pollset,
-    grpc_connectivity_state *state, grpc_closure *on_complete);
+    // Get output file name
+    grpc::string file_name = GetJSServiceFilename(file->name());
 
-grpc_channel *grpc_client_uchannel_create(grpc_subchannel *subchannel,
-                                          grpc_channel_args *args);
+    std::unique_ptr<grpc::protobuf::io::ZeroCopyOutputStream> output(
+        context->Open(file_name));
+    grpc::protobuf::io::CodedOutputStream coded_out(output.get());
+    coded_out.WriteRaw(code.data(), code.size());
+    return true;
+  }
+};
 
-void grpc_client_uchannel_set_connected_subchannel(
-    grpc_channel *uchannel, grpc_connected_subchannel *connected_subchannel);
-
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H */
+int main(int argc, char *argv[]) {
+  NodeGrpcGenerator generator;
+  return grpc::protobuf::compiler::PluginMain(argc, argv, &generator);
+}
diff --git a/src/compiler/python_generator.cc b/src/compiler/python_generator.cc
index 4fd5dfbecb16881442365bd186225a01a8847627..02c032800b1bd4068f02e8b98bccc0af6dea2f41 100644
--- a/src/compiler/python_generator.cc
+++ b/src/compiler/python_generator.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -190,11 +190,10 @@ bool PrintBetaServicer(const ServiceDescriptor* service,
         "Documentation", doc,
       });
   out->Print("\n");
-  out->Print(dict, "class Beta$Service$Servicer(object):\n");
+  out->Print(dict, "class Beta$Service$Servicer(six.with_metaclass(abc.ABCMeta, object)):\n");
   {
     IndentScope raii_class_indent(out);
     out->Print(dict, "\"\"\"$Documentation$\"\"\"\n");
-    out->Print("__metaclass__ = abc.ABCMeta\n");
     for (int i = 0; i < service->method_count(); ++i) {
       auto meth = service->method(i);
       grpc::string arg_name = meth->client_streaming() ?
@@ -219,11 +218,10 @@ bool PrintBetaStub(const ServiceDescriptor* service,
         "Documentation", doc,
       });
   out->Print("\n");
-  out->Print(dict, "class Beta$Service$Stub(object):\n");
+  out->Print(dict, "class Beta$Service$Stub(six.with_metaclass(abc.ABCMeta, object)):\n");
   {
     IndentScope raii_class_indent(out);
     out->Print(dict, "\"\"\"$Documentation$\"\"\"\n");
-    out->Print("__metaclass__ = abc.ABCMeta\n");
     for (int i = 0; i < service->method_count(); ++i) {
       const MethodDescriptor* meth = service->method(i);
       grpc::string arg_name = meth->client_streaming() ?
@@ -449,6 +447,7 @@ bool PrintBetaStubFactory(const grpc::string& package_qualified_service_name,
 bool PrintPreamble(const FileDescriptor* file,
                    const GeneratorConfiguration& config, Printer* out) {
   out->Print("import abc\n");
+  out->Print("import six\n");
   out->Print("from $Package$ import implementations as beta_implementations\n",
              "Package", config.beta_package_root);
   out->Print("from grpc.framework.common import cardinality\n");
diff --git a/src/compiler/python_generator.h b/src/compiler/python_generator.h
index 68da18f9baa659e54fe5ab8fbdb6b5611aba7704..e56b6790ef9fd03e31942114fd378470f2ae9cde 100644
--- a/src/compiler/python_generator.h
+++ b/src/compiler/python_generator.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/compiler/python_plugin.cc b/src/compiler/python_plugin.cc
index d781ddbee589c96d9424314d0f36e77922f13d88..92a07b2f80afcc8dfe12cb410033dc5e9006c5ad 100644
--- a/src/compiler/python_plugin.cc
+++ b/src/compiler/python_plugin.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/compiler/ruby_generator.cc b/src/compiler/ruby_generator.cc
index 299137519f8d4517cda22756f043f77d552e7b73..5ac56ad289cb1f8f8e0000bb6601b783beb7727f 100644
--- a/src/compiler/ruby_generator.cc
+++ b/src/compiler/ruby_generator.cc
@@ -55,11 +55,11 @@ namespace {
 // Prints out the method using the ruby gRPC DSL.
 void PrintMethod(const MethodDescriptor *method, const grpc::string &package,
                  Printer *out) {
-  grpc::string input_type = RubyTypeOf(method->input_type()->name(), package);
+  grpc::string input_type = RubyTypeOf(method->input_type()->full_name(), package);
   if (method->client_streaming()) {
     input_type = "stream(" + input_type + ")";
   }
-  grpc::string output_type = RubyTypeOf(method->output_type()->name(), package);
+  grpc::string output_type = RubyTypeOf(method->output_type()->full_name(), package);
   if (method->server_streaming()) {
     output_type = "stream(" + output_type + ")";
   }
diff --git a/src/compiler/ruby_generator_string-inl.h b/src/compiler/ruby_generator_string-inl.h
index 8da3a88da2937d1cb6d33956be378d927715f0bd..d1ad871c1ab0c8a73fa4c0965056bc1d26554110 100644
--- a/src/compiler/ruby_generator_string-inl.h
+++ b/src/compiler/ruby_generator_string-inl.h
@@ -115,6 +115,7 @@ inline grpc::string RubyTypeOf(const grpc::string &a_type,
     return res;
   } else {
     std::vector<grpc::string> prefixes_and_type = Split(res, '.');
+    res.clear();
     for (unsigned int i = 0; i < prefixes_and_type.size(); ++i) {
       if (i != 0) {
         res += "::";  // switch '.' to the ruby module delim
diff --git a/src/core/channel/client_uchannel.c b/src/core/channel/client_uchannel.c
deleted file mode 100644
index 83fcc3a87f52f644f81b6a801edf9eb3b7522fc9..0000000000000000000000000000000000000000
--- a/src/core/channel/client_uchannel.c
+++ /dev/null
@@ -1,243 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/channel/client_uchannel.h"
-
-#include <string.h>
-
-#include "src/core/census/grpc_filter.h"
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/channel/subchannel_call_holder.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/channel.h"
-#include "src/core/transport/connectivity_state.h"
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/useful.h>
-
-/** Microchannel (uchannel) implementation: a lightweight channel without any
- * load-balancing mechanisms meant for communication from within the core. */
-
-typedef struct client_uchannel_channel_data {
-  /** master channel - the grpc_channel instance that ultimately owns
-      this channel_data via its channel stack.
-      We occasionally use this to bump the refcount on the master channel
-      to keep ourselves alive through an asynchronous operation. */
-  grpc_channel_stack *owning_stack;
-
-  /** connectivity state being tracked */
-  grpc_connectivity_state_tracker state_tracker;
-
-  /** the subchannel wrapped by the microchannel */
-  grpc_connected_subchannel *connected_subchannel;
-
-  /** the callback used to stay subscribed to subchannel connectivity
-   * notifications */
-  grpc_closure connectivity_cb;
-
-  /** the current connectivity state of the wrapped subchannel */
-  grpc_connectivity_state subchannel_connectivity;
-
-  gpr_mu mu_state;
-} channel_data;
-
-typedef grpc_subchannel_call_holder call_data;
-
-static void monitor_subchannel(grpc_exec_ctx *exec_ctx, void *arg,
-                               bool iomgr_success) {
-  channel_data *chand = arg;
-  grpc_connectivity_state_set(exec_ctx, &chand->state_tracker,
-                              chand->subchannel_connectivity,
-                              "uchannel_monitor_subchannel");
-  grpc_connected_subchannel_notify_on_state_change(
-      exec_ctx, chand->connected_subchannel, NULL,
-      &chand->subchannel_connectivity, &chand->connectivity_cb);
-}
-
-static char *cuc_get_peer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
-  return grpc_subchannel_call_holder_get_peer(exec_ctx, elem->call_data);
-}
-
-static void cuc_start_transport_stream_op(grpc_exec_ctx *exec_ctx,
-                                          grpc_call_element *elem,
-                                          grpc_transport_stream_op *op) {
-  GRPC_CALL_LOG_OP(GPR_INFO, elem, op);
-  grpc_subchannel_call_holder_perform_op(exec_ctx, elem->call_data, op);
-}
-
-static void cuc_start_transport_op(grpc_exec_ctx *exec_ctx,
-                                   grpc_channel_element *elem,
-                                   grpc_transport_op *op) {
-  channel_data *chand = elem->channel_data;
-
-  grpc_exec_ctx_enqueue(exec_ctx, op->on_consumed, true, NULL);
-
-  GPR_ASSERT(op->set_accept_stream == false);
-  GPR_ASSERT(op->bind_pollset == NULL);
-
-  if (op->on_connectivity_state_change != NULL) {
-    grpc_connectivity_state_notify_on_state_change(
-        exec_ctx, &chand->state_tracker, op->connectivity_state,
-        op->on_connectivity_state_change);
-    op->on_connectivity_state_change = NULL;
-    op->connectivity_state = NULL;
-  }
-
-  if (op->disconnect) {
-    grpc_connectivity_state_set(exec_ctx, &chand->state_tracker,
-                                GRPC_CHANNEL_FATAL_FAILURE, "disconnect");
-  }
-}
-
-static int cuc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *arg,
-                               grpc_metadata_batch *initial_metadata,
-                               grpc_connected_subchannel **connected_subchannel,
-                               grpc_closure *on_ready) {
-  channel_data *chand = arg;
-  GPR_ASSERT(initial_metadata != NULL);
-  *connected_subchannel = chand->connected_subchannel;
-  return 1;
-}
-
-/* Constructor for call_data */
-static void cuc_init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                               grpc_call_element_args *args) {
-  grpc_subchannel_call_holder_init(elem->call_data, cuc_pick_subchannel,
-                                   elem->channel_data, args->call_stack);
-}
-
-/* Destructor for call_data */
-static void cuc_destroy_call_elem(grpc_exec_ctx *exec_ctx,
-                                  grpc_call_element *elem) {
-  grpc_subchannel_call_holder_destroy(exec_ctx, elem->call_data);
-}
-
-/* Constructor for channel_data */
-static void cuc_init_channel_elem(grpc_exec_ctx *exec_ctx,
-                                  grpc_channel_element *elem,
-                                  grpc_channel_element_args *args) {
-  channel_data *chand = elem->channel_data;
-  memset(chand, 0, sizeof(*chand));
-  grpc_closure_init(&chand->connectivity_cb, monitor_subchannel, chand);
-  GPR_ASSERT(args->is_last);
-  GPR_ASSERT(elem->filter == &grpc_client_uchannel_filter);
-  chand->owning_stack = args->channel_stack;
-  grpc_connectivity_state_init(&chand->state_tracker, GRPC_CHANNEL_IDLE,
-                               "client_uchannel");
-  gpr_mu_init(&chand->mu_state);
-}
-
-/* Destructor for channel_data */
-static void cuc_destroy_channel_elem(grpc_exec_ctx *exec_ctx,
-                                     grpc_channel_element *elem) {
-  channel_data *chand = elem->channel_data;
-  /* cancel subscription */
-  grpc_connected_subchannel_notify_on_state_change(
-      exec_ctx, chand->connected_subchannel, NULL, NULL,
-      &chand->connectivity_cb);
-  grpc_connectivity_state_destroy(exec_ctx, &chand->state_tracker);
-  gpr_mu_destroy(&chand->mu_state);
-  GRPC_CONNECTED_SUBCHANNEL_UNREF(exec_ctx, chand->connected_subchannel,
-                                  "uchannel");
-}
-
-static void cuc_set_pollset(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                            grpc_pollset *pollset) {
-  call_data *calld = elem->call_data;
-  calld->pollset = pollset;
-}
-
-const grpc_channel_filter grpc_client_uchannel_filter = {
-    cuc_start_transport_stream_op, cuc_start_transport_op, sizeof(call_data),
-    cuc_init_call_elem, cuc_set_pollset, cuc_destroy_call_elem,
-    sizeof(channel_data), cuc_init_channel_elem, cuc_destroy_channel_elem,
-    cuc_get_peer, "client-uchannel",
-};
-
-grpc_connectivity_state grpc_client_uchannel_check_connectivity_state(
-    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, int try_to_connect) {
-  channel_data *chand = elem->channel_data;
-  grpc_connectivity_state out;
-  gpr_mu_lock(&chand->mu_state);
-  out = grpc_connectivity_state_check(&chand->state_tracker);
-  gpr_mu_unlock(&chand->mu_state);
-  return out;
-}
-
-void grpc_client_uchannel_watch_connectivity_state(
-    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, grpc_pollset *pollset,
-    grpc_connectivity_state *state, grpc_closure *on_complete) {
-  channel_data *chand = elem->channel_data;
-  gpr_mu_lock(&chand->mu_state);
-  grpc_connectivity_state_notify_on_state_change(
-      exec_ctx, &chand->state_tracker, state, on_complete);
-  gpr_mu_unlock(&chand->mu_state);
-}
-
-grpc_channel *grpc_client_uchannel_create(grpc_subchannel *subchannel,
-                                          grpc_channel_args *args) {
-  grpc_channel *channel = NULL;
-#define MAX_FILTERS 3
-  const grpc_channel_filter *filters[MAX_FILTERS];
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  size_t n = 0;
-
-  if (grpc_channel_args_is_census_enabled(args)) {
-    filters[n++] = &grpc_client_census_filter;
-  }
-  filters[n++] = &grpc_compress_filter;
-  filters[n++] = &grpc_client_uchannel_filter;
-  GPR_ASSERT(n <= MAX_FILTERS);
-
-  channel =
-      grpc_channel_create_from_filters(&exec_ctx, NULL, filters, n, args, 1);
-
-  return channel;
-}
-
-void grpc_client_uchannel_set_connected_subchannel(
-    grpc_channel *uchannel, grpc_connected_subchannel *connected_subchannel) {
-  grpc_channel_element *elem =
-      grpc_channel_stack_last_element(grpc_channel_get_channel_stack(uchannel));
-  channel_data *chand = elem->channel_data;
-  GPR_ASSERT(elem->filter == &grpc_client_uchannel_filter);
-  gpr_mu_lock(&chand->mu_state);
-  chand->connected_subchannel = connected_subchannel;
-  GRPC_CONNECTED_SUBCHANNEL_REF(connected_subchannel, "uchannel");
-  gpr_mu_unlock(&chand->mu_state);
-}
diff --git a/src/core/census/README.md b/src/core/ext/census/README.md
similarity index 100%
rename from src/core/census/README.md
rename to src/core/ext/census/README.md
diff --git a/src/core/census/aggregation.h b/src/core/ext/census/aggregation.h
similarity index 95%
rename from src/core/census/aggregation.h
rename to src/core/ext/census/aggregation.h
index e9bc6ada96085b9c80953773129907e89071bd77..45f789c772b84f2b98dfc006b52527cb71c0cd32 100644
--- a/src/core/census/aggregation.h
+++ b/src/core/ext/census/aggregation.h
@@ -33,8 +33,8 @@
 
 #include <stddef.h>
 
-#ifndef GRPC_INTERNAL_CORE_CENSUS_AGGREGATION_H
-#define GRPC_INTERNAL_CORE_CENSUS_AGGREGATION_H
+#ifndef GRPC_CORE_EXT_CENSUS_AGGREGATION_H
+#define GRPC_CORE_EXT_CENSUS_AGGREGATION_H
 
 /** Structure used to describe an aggregation type. */
 struct census_aggregation_ops {
@@ -63,4 +63,4 @@ struct census_aggregation_ops {
   size_t (*print)(const void *aggregation, char *buffer, size_t n);
 };
 
-#endif /* GRPC_INTERNAL_CORE_CENSUS_AGGREGATION_H */
+#endif /* GRPC_CORE_EXT_CENSUS_AGGREGATION_H */
diff --git a/src/core/statistics/census_init.c b/src/core/ext/census/census_init.c
similarity index 90%
rename from src/core/statistics/census_init.c
rename to src/core/ext/census/census_init.c
index b6a962f228f5ed719fe4964c7d7529f6cc105188..690b09e78945afd3cd32de4710766d48d03cc1f0 100644
--- a/src/core/statistics/census_init.c
+++ b/src/core/ext/census/census_init.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,11 @@
  *
  */
 
-#include "src/core/statistics/census_interface.h"
+#include "src/core/ext/census/census_interface.h"
 
 #include <grpc/support/log.h>
-#include "src/core/statistics/census_rpc_stats.h"
-#include "src/core/statistics/census_tracing.h"
+#include "src/core/ext/census/census_rpc_stats.h"
+#include "src/core/ext/census/census_tracing.h"
 
 void census_init(void) {
   census_tracing_init();
diff --git a/src/core/statistics/census_interface.h b/src/core/ext/census/census_interface.h
similarity index 94%
rename from src/core/statistics/census_interface.h
rename to src/core/ext/census/census_interface.h
index c43acbd317fbbd50f3dc0f9f82c9711301f79990..57e75f56ee7f87a5d27b5cb9e5bf5e9ea2126fae 100644
--- a/src/core/statistics/census_interface.h
+++ b/src/core/ext/census/census_interface.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_STATISTICS_CENSUS_INTERFACE_H
-#define GRPC_INTERNAL_CORE_STATISTICS_CENSUS_INTERFACE_H
+#ifndef GRPC_CORE_EXT_CENSUS_CENSUS_INTERFACE_H
+#define GRPC_CORE_EXT_CENSUS_CENSUS_INTERFACE_H
 
 #include <grpc/support/port_platform.h>
 
@@ -73,4 +73,4 @@ census_op_id census_tracing_start_op(void);
 /* Ends tracing. Calling this function will invalidate the input op_id. */
 void census_tracing_end_op(census_op_id op_id);
 
-#endif /* GRPC_INTERNAL_CORE_STATISTICS_CENSUS_INTERFACE_H */
+#endif /* GRPC_CORE_EXT_CENSUS_CENSUS_INTERFACE_H */
diff --git a/src/core/statistics/census_log.c b/src/core/ext/census/census_log.c
similarity index 99%
rename from src/core/statistics/census_log.c
rename to src/core/ext/census/census_log.c
index 257ba586a32d5fe10f4a0ed1f161fea990d5a0c7..9a7331adc2f73935c48c37a91981f98170a1740c 100644
--- a/src/core/statistics/census_log.c
+++ b/src/core/ext/census/census_log.c
@@ -89,8 +89,7 @@
    include the name of the structure, which will be passed as the first
    argument. E.g. cl_block_initialize() will initialize a cl_block.
 */
-#include "src/core/statistics/census_log.h"
-#include <string.h>
+#include "src/core/ext/census/census_log.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/atm.h>
 #include <grpc/support/cpu.h>
@@ -98,6 +97,7 @@
 #include <grpc/support/port_platform.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/useful.h>
+#include <string.h>
 
 /* End of platform specific code */
 
diff --git a/src/core/statistics/census_log.h b/src/core/ext/census/census_log.h
similarity index 96%
rename from src/core/statistics/census_log.h
rename to src/core/ext/census/census_log.h
index 356437c346e948aed78cfe346e2127e2da1dec5d..534ecc5705a7d870bf63d9b8a90cbba129026de2 100644
--- a/src/core/statistics/census_log.h
+++ b/src/core/ext/census/census_log.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_STATISTICS_CENSUS_LOG_H
-#define GRPC_INTERNAL_CORE_STATISTICS_CENSUS_LOG_H
+#ifndef GRPC_CORE_EXT_CENSUS_CENSUS_LOG_H
+#define GRPC_CORE_EXT_CENSUS_CENSUS_LOG_H
 
 #include <stddef.h>
 
@@ -88,4 +88,4 @@ size_t census_log_remaining_space(void);
    out-of-space. */
 int census_log_out_of_space_count(void);
 
-#endif /* GRPC_INTERNAL_CORE_STATISTICS_CENSUS_LOG_H */
+#endif /* GRPC_CORE_EXT_CENSUS_CENSUS_LOG_H */
diff --git a/src/core/statistics/census_rpc_stats.c b/src/core/ext/census/census_rpc_stats.c
similarity index 94%
rename from src/core/statistics/census_rpc_stats.c
rename to src/core/ext/census/census_rpc_stats.c
index 524a60793ae66252006c45a66ceecb2382c6957a..09ee12d54bf8f4f1f21edfd942761b89adfbb0ff 100644
--- a/src/core/statistics/census_rpc_stats.c
+++ b/src/core/ext/census/census_rpc_stats.c
@@ -33,16 +33,16 @@
 
 #include <string.h>
 
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_rpc_stats.h"
-#include "src/core/statistics/hash_table.h"
-#include "src/core/statistics/census_tracing.h"
-#include "src/core/statistics/window_stats.h"
-#include "src/core/support/murmur_hash.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
+#include "src/core/ext/census/census_interface.h"
+#include "src/core/ext/census/census_rpc_stats.h"
+#include "src/core/ext/census/census_tracing.h"
+#include "src/core/ext/census/hash_table.h"
+#include "src/core/ext/census/window_stats.h"
+#include "src/core/lib/support/murmur_hash.h"
+#include "src/core/lib/support/string.h"
 
 #define NUM_INTERVALS 3
 #define MINUTE_INTERVAL 0
@@ -85,8 +85,8 @@ static void delete_key(void *key) { gpr_free(key); }
 
 static const census_ht_option ht_opt = {
     CENSUS_HT_POINTER /* key type */, 1999 /* n_of_buckets */,
-    simple_hash /* hash function */, cmp_str_keys /* key comparator */,
-    delete_stats /* data deleter */, delete_key /* key deleter */
+    simple_hash /* hash function */,  cmp_str_keys /* key comparator */,
+    delete_stats /* data deleter */,  delete_key /* key deleter */
 };
 
 static void init_rpc_stats(void *stats) {
diff --git a/src/core/statistics/census_rpc_stats.h b/src/core/ext/census/census_rpc_stats.h
similarity index 94%
rename from src/core/statistics/census_rpc_stats.h
rename to src/core/ext/census/census_rpc_stats.h
index 8bdbc494903872d80ca1f22baf0a1e82aeee4fb5..7e4d8d164074ce4d8142790e5438c0718f2cc120 100644
--- a/src/core/statistics/census_rpc_stats.h
+++ b/src/core/ext/census/census_rpc_stats.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_STATISTICS_CENSUS_RPC_STATS_H
-#define GRPC_INTERNAL_CORE_STATISTICS_CENSUS_RPC_STATS_H
+#ifndef GRPC_CORE_EXT_CENSUS_CENSUS_RPC_STATS_H
+#define GRPC_CORE_EXT_CENSUS_CENSUS_RPC_STATS_H
 
-#include "src/core/statistics/census_interface.h"
 #include <grpc/support/port_platform.h>
+#include "src/core/ext/census/census_interface.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -98,4 +98,4 @@ void census_stats_store_shutdown(void);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_STATISTICS_CENSUS_RPC_STATS_H */
+#endif /* GRPC_CORE_EXT_CENSUS_CENSUS_RPC_STATS_H */
diff --git a/src/core/statistics/census_tracing.c b/src/core/ext/census/census_tracing.c
similarity index 95%
rename from src/core/statistics/census_tracing.c
rename to src/core/ext/census/census_tracing.c
index dc0f8a26f518d9e0d9391956287d47cfea19a01d..f893dc98646cad619d1966cf1e5ff9eb3bdc891c 100644
--- a/src/core/statistics/census_tracing.c
+++ b/src/core/ext/census/census_tracing.c
@@ -31,18 +31,18 @@
  *
  */
 
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_tracing.h"
+#include "src/core/ext/census/census_tracing.h"
+#include "src/core/ext/census/census_interface.h"
 
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/statistics/hash_table.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/sync.h>
+#include "src/core/ext/census/hash_table.h"
+#include "src/core/lib/support/string.h"
 
 void census_trace_obj_destroy(census_trace_obj *obj) {
   census_trace_annotation *p = obj->annotations;
@@ -60,8 +60,11 @@ static void delete_trace_obj(void *obj) {
 }
 
 static const census_ht_option ht_opt = {
-    CENSUS_HT_UINT64 /* key type */, 571 /* n_of_buckets */, NULL /* hash */,
-    NULL /* compare_keys */, delete_trace_obj /* delete data */,
+    CENSUS_HT_UINT64 /* key type */,
+    571 /* n_of_buckets */,
+    NULL /* hash */,
+    NULL /* compare_keys */,
+    delete_trace_obj /* delete data */,
     NULL /* delete key */
 };
 
diff --git a/src/core/statistics/census_tracing.h b/src/core/ext/census/census_tracing.h
similarity index 94%
rename from src/core/statistics/census_tracing.h
rename to src/core/ext/census/census_tracing.h
index bb3f2556d20349e400905c2b22e32655cbaa397f..42a0d7403ef5e696b0ee90194282475e03272e0e 100644
--- a/src/core/statistics/census_tracing.h
+++ b/src/core/ext/census/census_tracing.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_STATISTICS_CENSUS_TRACING_H
-#define GRPC_INTERNAL_CORE_STATISTICS_CENSUS_TRACING_H
+#ifndef GRPC_CORE_EXT_CENSUS_CENSUS_TRACING_H
+#define GRPC_CORE_EXT_CENSUS_CENSUS_TRACING_H
 
 #include <grpc/support/time.h>
-#include "src/core/statistics/census_rpc_stats.h"
+#include "src/core/ext/census/census_rpc_stats.h"
 
 /* WARNING: The data structures and APIs provided by this file are for GRPC
    library's internal use ONLY. They might be changed in backward-incompatible
@@ -93,4 +93,4 @@ census_trace_obj **census_get_active_ops(int *num_active_ops);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_STATISTICS_CENSUS_TRACING_H */
+#endif /* GRPC_CORE_EXT_CENSUS_CENSUS_TRACING_H */
diff --git a/src/core/census/context.c b/src/core/ext/census/context.c
similarity index 99%
rename from src/core/census/context.c
rename to src/core/ext/census/context.c
index 89b8ee0b399dbb7a403f07075b13b9da9664c545..0dfc4ecbf1da6e31c0086dfc86fdb3d70d826fd1 100644
--- a/src/core/census/context.c
+++ b/src/core/ext/census/context.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,7 +38,7 @@
 #include <grpc/support/useful.h>
 #include <stdbool.h>
 #include <string.h>
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 // Functions in this file support the public context API, including
 // encoding/decoding as part of context propagation across RPC's. The overall
diff --git a/src/core/census/grpc_context.c b/src/core/ext/census/grpc_context.c
similarity index 96%
rename from src/core/census/grpc_context.c
rename to src/core/ext/census/grpc_context.c
index 4b61382a2c2fd0abbda851379fa9c5ceff12b96d..98285ab2d58ff62f1469e18b470914358f3b3fd3 100644
--- a/src/core/census/grpc_context.c
+++ b/src/core/ext/census/grpc_context.c
@@ -33,8 +33,8 @@
 
 #include <grpc/census.h>
 #include <grpc/grpc.h>
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/call.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
 
 void grpc_census_call_set_context(grpc_call *call, census_context *context) {
   GRPC_API_TRACE("grpc_census_call_set_context(call=%p, census_context=%p)", 2,
diff --git a/src/core/census/grpc_filter.c b/src/core/ext/census/grpc_filter.c
similarity index 87%
rename from src/core/census/grpc_filter.c
rename to src/core/ext/census/grpc_filter.c
index c8aaf31e2d3a688717c669c0f9242f9f8814cfc8..abfb3bb5f0e16699efbc3a0253d0dda4798d12ed 100644
--- a/src/core/census/grpc_filter.c
+++ b/src/core/ext/census/grpc_filter.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/census/grpc_filter.h"
+#include "src/core/ext/census/grpc_filter.h"
 
 #include <stdio.h>
 #include <string.h>
@@ -42,10 +42,10 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/time.h>
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_rpc_stats.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/ext/census/census_interface.h"
+#include "src/core/ext/census/census_rpc_stats.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 typedef struct call_data {
   census_op_id op_id;
@@ -172,13 +172,27 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
 }
 
 const grpc_channel_filter grpc_client_census_filter = {
-    client_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    client_init_call_elem, grpc_call_stack_ignore_set_pollset,
-    client_destroy_call_elem, sizeof(channel_data), init_channel_elem,
-    destroy_channel_elem, grpc_call_next_get_peer, "census-client"};
+    client_start_transport_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    client_init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    client_destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "census-client"};
 
 const grpc_channel_filter grpc_server_census_filter = {
-    server_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    server_init_call_elem, grpc_call_stack_ignore_set_pollset,
-    server_destroy_call_elem, sizeof(channel_data), init_channel_elem,
-    destroy_channel_elem, grpc_call_next_get_peer, "census-server"};
+    server_start_transport_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    server_init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    server_destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "census-server"};
diff --git a/src/core/census/grpc_filter.h b/src/core/ext/census/grpc_filter.h
similarity index 90%
rename from src/core/census/grpc_filter.h
rename to src/core/ext/census/grpc_filter.h
index b3de3adc94761a4ed6d565d284c6f570fb0e02c3..a39bd82224893d7c1a423e098949dd55e4441591 100644
--- a/src/core/census/grpc_filter.h
+++ b/src/core/ext/census/grpc_filter.h
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CENSUS_GRPC_FILTER_H
-#define GRPC_INTERNAL_CORE_CENSUS_GRPC_FILTER_H
+#ifndef GRPC_CORE_EXT_CENSUS_GRPC_FILTER_H
+#define GRPC_CORE_EXT_CENSUS_GRPC_FILTER_H
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 /* Census filters: provides tracing and stats collection functionalities. It
    needs to reside right below the surface filter in the channel stack. */
 extern const grpc_channel_filter grpc_client_census_filter;
 extern const grpc_channel_filter grpc_server_census_filter;
 
-#endif /* GRPC_INTERNAL_CORE_CENSUS_GRPC_FILTER_H */
+#endif /* GRPC_CORE_EXT_CENSUS_GRPC_FILTER_H */
diff --git a/src/core/ext/census/grpc_plugin.c b/src/core/ext/census/grpc_plugin.c
new file mode 100644
index 0000000000000000000000000000000000000000..e43ceafd0c9483bcf1b09618a78d4fc2ff23c491
--- /dev/null
+++ b/src/core/ext/census/grpc_plugin.c
@@ -0,0 +1,82 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <limits.h>
+#include <string.h>
+
+#include <grpc/census.h>
+
+#include "src/core/ext/census/grpc_filter.h"
+#include "src/core/lib/channel/channel_stack_builder.h"
+#include "src/core/lib/surface/channel_init.h"
+
+static bool is_census_enabled(const grpc_channel_args *a) {
+  size_t i;
+  if (a == NULL) return 0;
+  for (i = 0; i < a->num_args; i++) {
+    if (0 == strcmp(a->args[i].key, GRPC_ARG_ENABLE_CENSUS)) {
+      return a->args[i].value.integer != 0 && census_enabled();
+    }
+  }
+  return census_enabled();
+}
+
+static bool maybe_add_census_filter(grpc_channel_stack_builder *builder,
+                                    void *arg) {
+  const grpc_channel_args *args =
+      grpc_channel_stack_builder_get_channel_arguments(builder);
+  if (is_census_enabled(args)) {
+    return grpc_channel_stack_builder_prepend_filter(
+        builder, (const grpc_channel_filter *)arg, NULL, NULL);
+  }
+  return true;
+}
+
+void census_grpc_plugin_init(void) {
+  /* Only initialize census if no one else has and some features are
+   * available. */
+  if (census_enabled() == CENSUS_FEATURE_NONE &&
+      census_supported() != CENSUS_FEATURE_NONE) {
+    if (census_initialize(census_supported())) { /* enable all features. */
+      gpr_log(GPR_ERROR, "Could not initialize census.");
+    }
+  }
+  grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MAX,
+                                   maybe_add_census_filter,
+                                   (void *)&grpc_client_census_filter);
+  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX,
+                                   maybe_add_census_filter,
+                                   (void *)&grpc_server_census_filter);
+}
+
+void census_grpc_plugin_shutdown(void) { census_shutdown(); }
diff --git a/src/core/statistics/hash_table.c b/src/core/ext/census/hash_table.c
similarity index 99%
rename from src/core/statistics/hash_table.c
rename to src/core/ext/census/hash_table.c
index 0cadcd4740218f18abcb2f0811e5eb6929e04bd7..ee6fdfc6e8621aec0e3102d014b6eba13395c55b 100644
--- a/src/core/statistics/hash_table.c
+++ b/src/core/ext/census/hash_table.c
@@ -31,13 +31,13 @@
  *
  */
 
-#include "src/core/statistics/hash_table.h"
+#include "src/core/ext/census/hash_table.h"
 
-#include <stdio.h>
 #include <stddef.h>
+#include <stdio.h>
 
-#include <grpc/support/log.h>
 #include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 
 #define CENSUS_HT_NUM_BUCKETS 1999
diff --git a/src/core/statistics/hash_table.h b/src/core/ext/census/hash_table.h
similarity index 97%
rename from src/core/statistics/hash_table.h
rename to src/core/ext/census/hash_table.h
index d9860a909f0afda7ed56816904521dbfc8922116..30ea4264a294db0b5574302a0953f18f2c4c42bf 100644
--- a/src/core/statistics/hash_table.h
+++ b/src/core/ext/census/hash_table.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_STATISTICS_HASH_TABLE_H
-#define GRPC_INTERNAL_CORE_STATISTICS_HASH_TABLE_H
+#ifndef GRPC_CORE_EXT_CENSUS_HASH_TABLE_H
+#define GRPC_CORE_EXT_CENSUS_HASH_TABLE_H
 
 #include <stddef.h>
 
@@ -128,4 +128,4 @@ typedef void (*census_ht_itr_cb)(census_ht_key key, const void *val_ptr,
    should not invalidate data entries. */
 uint64_t census_ht_for_all(const census_ht *ht, census_ht_itr_cb);
 
-#endif /* GRPC_INTERNAL_CORE_STATISTICS_HASH_TABLE_H */
+#endif /* GRPC_CORE_EXT_CENSUS_HASH_TABLE_H */
diff --git a/src/core/census/initialize.c b/src/core/ext/census/initialize.c
similarity index 98%
rename from src/core/census/initialize.c
rename to src/core/ext/census/initialize.c
index ce7ec09b89fe663d92ab946b0169bbf4abbac060..896276e44a11d985c40e8b3c897fa2419760a0b0 100644
--- a/src/core/census/initialize.c
+++ b/src/core/ext/census/initialize.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/core/census/mlog.c b/src/core/ext/census/mlog.c
similarity index 99%
rename from src/core/census/mlog.c
rename to src/core/ext/census/mlog.c
index a2cc46d3f261c06df0446567807fdc6a7163eb51..698b7096ab6e6c70d82e13ff942e800f57eb09e9 100644
--- a/src/core/census/mlog.c
+++ b/src/core/ext/census/mlog.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -88,7 +88,7 @@
 // include the name of the structure, which will be passed as the first
 // argument. E.g. cl_block_initialize() will initialize a cl_block.
 
-#include "src/core/census/mlog.h"
+#include "src/core/ext/census/mlog.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/atm.h>
 #include <grpc/support/cpu.h>
diff --git a/src/core/census/mlog.h b/src/core/ext/census/mlog.h
similarity index 96%
rename from src/core/census/mlog.h
rename to src/core/ext/census/mlog.h
index aaba9e15356223b466b97f32de4af96fd17ec71f..a256426f91b377ec16a8771f0355153968727203 100644
--- a/src/core/census/mlog.h
+++ b/src/core/ext/census/mlog.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,8 +33,8 @@
 
 /* A very fast in-memory log, optimized for multiple writers. */
 
-#ifndef GRPC_INTERNAL_CORE_CENSUS_MLOG_H
-#define GRPC_INTERNAL_CORE_CENSUS_MLOG_H
+#ifndef GRPC_CORE_EXT_CENSUS_MLOG_H
+#define GRPC_CORE_EXT_CENSUS_MLOG_H
 
 #include <grpc/support/port_platform.h>
 #include <stddef.h>
@@ -92,4 +92,4 @@ size_t census_log_remaining_space(void);
    out-of-space. */
 int64_t census_log_out_of_space_count(void);
 
-#endif /* GRPC_INTERNAL_CORE_CENSUS_LOG_H */
+#endif /* GRPC_CORE_EXT_CENSUS_MLOG_H */
diff --git a/src/core/census/operation.c b/src/core/ext/census/operation.c
similarity index 100%
rename from src/core/census/operation.c
rename to src/core/ext/census/operation.c
diff --git a/src/core/census/placeholders.c b/src/core/ext/census/placeholders.c
similarity index 100%
rename from src/core/census/placeholders.c
rename to src/core/ext/census/placeholders.c
diff --git a/src/core/census/rpc_metric_id.h b/src/core/ext/census/rpc_metric_id.h
similarity index 93%
rename from src/core/census/rpc_metric_id.h
rename to src/core/ext/census/rpc_metric_id.h
index f199839511ce128ffd0311fa42c7ffd1ea944dff..888ec500a731641dc4a5387ea91dc3ba89fd7476 100644
--- a/src/core/census/rpc_metric_id.h
+++ b/src/core/ext/census/rpc_metric_id.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef CENSUS_RPC_METRIC_ID_H
-#define CENSUS_RPC_METRIC_ID_H
+#ifndef GRPC_CORE_EXT_CENSUS_RPC_METRIC_ID_H
+#define GRPC_CORE_EXT_CENSUS_RPC_METRIC_ID_H
 
 /* Metric ID's used for RPC measurements. */
 /* Count of client requests sent. */
@@ -48,4 +48,4 @@
 /* Server side request latency. */
 #define CENSUS_METRIC_RPC_SERVER_LATENCY ((uint32_t)5)
 
-#endif /* CENSUS_RPC_METRIC_ID_H */
+#endif /* GRPC_CORE_EXT_CENSUS_RPC_METRIC_ID_H */
diff --git a/src/core/census/tracing.c b/src/core/ext/census/tracing.c
similarity index 100%
rename from src/core/census/tracing.c
rename to src/core/ext/census/tracing.c
diff --git a/src/core/statistics/window_stats.c b/src/core/ext/census/window_stats.c
similarity index 99%
rename from src/core/statistics/window_stats.c
rename to src/core/ext/census/window_stats.c
index 3f2940853aaf8571a2d577e0ff542db11341d02e..5f7bd9952e09bcb58b321d9cb2898e2bc493152c 100644
--- a/src/core/statistics/window_stats.c
+++ b/src/core/ext/census/window_stats.c
@@ -31,14 +31,14 @@
  *
  */
 
-#include "src/core/statistics/window_stats.h"
-#include <math.h>
-#include <stddef.h>
-#include <string.h>
+#include "src/core/ext/census/window_stats.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include <math.h>
+#include <stddef.h>
+#include <string.h>
 
 /* typedefs make typing long names easier. Use cws (for census_window_stats) */
 typedef census_window_stats_stat_info cws_stat_info;
diff --git a/src/core/statistics/window_stats.h b/src/core/ext/census/window_stats.h
similarity index 97%
rename from src/core/statistics/window_stats.h
rename to src/core/ext/census/window_stats.h
index f4732e96a02e4083e9bbca550ae84436e7f717e0..25658c9ce0e82f57c3618aca8d7b85781529e296 100644
--- a/src/core/statistics/window_stats.h
+++ b/src/core/ext/census/window_stats.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_STATISTICS_WINDOW_STATS_H
-#define GRPC_INTERNAL_CORE_STATISTICS_WINDOW_STATS_H
+#ifndef GRPC_CORE_EXT_CENSUS_WINDOW_STATS_H
+#define GRPC_CORE_EXT_CENSUS_WINDOW_STATS_H
 
 #include <grpc/support/time.h>
 
@@ -170,4 +170,4 @@ void census_window_stats_get_sums(const struct census_window_stats *wstats,
    assertion failure). This function is thread-compatible. */
 void census_window_stats_destroy(struct census_window_stats *wstats);
 
-#endif /* GRPC_INTERNAL_CORE_STATISTICS_WINDOW_STATS_H */
+#endif /* GRPC_CORE_EXT_CENSUS_WINDOW_STATS_H */
diff --git a/src/core/client_config/README.md b/src/core/ext/client_config/README.md
similarity index 96%
rename from src/core/client_config/README.md
rename to src/core/ext/client_config/README.md
index fff7a5af5b65e9fbfd7288192fca84aaeacc2497..7024fd540d867b030e027ecb6174bd0a655add93 100644
--- a/src/core/client_config/README.md
+++ b/src/core/ext/client_config/README.md
@@ -40,7 +40,7 @@ decisions (for example, by avoiding disconnected backends).
 Configured sub-channels are fully setup to participate in the grpc data plane.
 Their behavior is specified by a set of grpc channel filters defined at their
 construction. To customize this behavior, resolvers build
-grpc_subchannel_factory objects, which use the decorator pattern to customize
+grpc_client_channel_factory objects, which use the decorator pattern to customize
 construction arguments for concrete grpc_subchannel instances.
 
 
diff --git a/src/core/surface/channel_connectivity.c b/src/core/ext/client_config/channel_connectivity.c
similarity index 86%
rename from src/core/surface/channel_connectivity.c
rename to src/core/ext/client_config/channel_connectivity.c
index 2dd4fce26b29050f46ba7b531516a87807c9201d..3ebc3336081e83fbc553315e85dd4feef38eeb8f 100644
--- a/src/core/surface/channel_connectivity.c
+++ b/src/core/ext/client_config/channel_connectivity.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,16 +31,15 @@
  *
  */
 
-#include "src/core/surface/channel.h"
+#include "src/core/lib/surface/channel.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/client_uchannel.h"
-#include "src/core/iomgr/timer.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/completion_queue.h"
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/completion_queue.h"
 
 grpc_connectivity_state grpc_channel_check_connectivity_state(
     grpc_channel *channel, int try_to_connect) {
@@ -58,12 +57,6 @@ grpc_connectivity_state grpc_channel_check_connectivity_state(
     grpc_exec_ctx_finish(&exec_ctx);
     return state;
   }
-  if (client_channel_elem->filter == &grpc_client_uchannel_filter) {
-    state = grpc_client_uchannel_check_connectivity_state(
-        &exec_ctx, client_channel_elem, try_to_connect);
-    grpc_exec_ctx_finish(&exec_ctx);
-    return state;
-  }
   gpr_log(GPR_ERROR,
           "grpc_channel_check_connectivity_state called on something that is "
           "not a (u)client channel, but '%s'",
@@ -98,9 +91,6 @@ static void delete_state_watcher(grpc_exec_ctx *exec_ctx, state_watcher *w) {
   if (client_channel_elem->filter == &grpc_client_channel_filter) {
     GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, w->channel,
                                 "watch_channel_connectivity");
-  } else if (client_channel_elem->filter == &grpc_client_uchannel_filter) {
-    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, w->channel,
-                                "watch_uchannel_connectivity");
   } else {
     abort();
   }
@@ -209,11 +199,8 @@ void grpc_channel_watch_connectivity_state(
     grpc_client_channel_watch_connectivity_state(&exec_ctx, client_channel_elem,
                                                  grpc_cq_pollset(cq), &w->state,
                                                  &w->on_complete);
-  } else if (client_channel_elem->filter == &grpc_client_uchannel_filter) {
-    GRPC_CHANNEL_INTERNAL_REF(channel, "watch_uchannel_connectivity");
-    grpc_client_uchannel_watch_connectivity_state(
-        &exec_ctx, client_channel_elem, grpc_cq_pollset(cq), &w->state,
-        &w->on_complete);
+  } else {
+    abort();
   }
 
   grpc_exec_ctx_finish(&exec_ctx);
diff --git a/src/core/channel/client_channel.c b/src/core/ext/client_config/client_channel.c
similarity index 84%
rename from src/core/channel/client_channel.c
rename to src/core/ext/client_config/client_channel.c
index f021a8ae32920904441ef362c3ec30ebaae71944..8a98a6bcbeec94f84284c06dc33064f108d9e32d 100644
--- a/src/core/channel/client_channel.c
+++ b/src/core/ext/client_config/client_channel.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/channel/client_channel.h"
+#include "src/core/ext/client_config/client_channel.h"
 
 #include <stdio.h>
 #include <string.h>
@@ -41,14 +41,14 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/subchannel_call_holder.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/channel.h"
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/ext/client_config/subchannel_call_holder.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 /* Client channel implementation */
 
@@ -114,6 +114,22 @@ static void watch_lb_policy(grpc_exec_ctx *exec_ctx, channel_data *chand,
                             grpc_lb_policy *lb_policy,
                             grpc_connectivity_state current_state);
 
+static void set_channel_connectivity_state_locked(grpc_exec_ctx *exec_ctx,
+                                                  channel_data *chand,
+                                                  grpc_connectivity_state state,
+                                                  const char *reason) {
+  if ((state == GRPC_CHANNEL_TRANSIENT_FAILURE ||
+       state == GRPC_CHANNEL_FATAL_FAILURE) &&
+      chand->lb_policy != NULL) {
+    /* cancel fail-fast picks */
+    grpc_lb_policy_cancel_picks(
+        exec_ctx, chand->lb_policy,
+        /* mask= */ GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY,
+        /* check= */ 0);
+  }
+  grpc_connectivity_state_set(exec_ctx, &chand->state_tracker, state, reason);
+}
+
 static void on_lb_policy_state_changed_locked(
     grpc_exec_ctx *exec_ctx, lb_policy_connectivity_watcher *w) {
   grpc_connectivity_state publish_state = w->state;
@@ -127,8 +143,8 @@ static void on_lb_policy_state_changed_locked(
     GRPC_LB_POLICY_UNREF(exec_ctx, w->chand->lb_policy, "channel");
     w->chand->lb_policy = NULL;
   }
-  grpc_connectivity_state_set(exec_ctx, &w->chand->state_tracker, publish_state,
-                              "lb_changed");
+  set_channel_connectivity_state_locked(exec_ctx, w->chand, publish_state,
+                                        "lb_changed");
   if (w->state != GRPC_CHANNEL_FATAL_FAILURE) {
     watch_lb_policy(exec_ctx, w->chand, w->lb_policy, w->state);
   }
@@ -189,7 +205,11 @@ static void cc_on_config_changed(grpc_exec_ctx *exec_ctx, void *arg,
   gpr_mu_lock(&chand->mu_config);
   old_lb_policy = chand->lb_policy;
   chand->lb_policy = lb_policy;
-  if (lb_policy != NULL || chand->resolver == NULL /* disconnected */) {
+  if (lb_policy != NULL) {
+    grpc_exec_ctx_enqueue_list(exec_ctx, &chand->waiting_for_config_closures,
+                               NULL);
+  } else if (chand->resolver == NULL /* disconnected */) {
+    grpc_closure_list_fail_all(&chand->waiting_for_config_closures);
     grpc_exec_ctx_enqueue_list(exec_ctx, &chand->waiting_for_config_closures,
                                NULL);
   }
@@ -200,8 +220,8 @@ static void cc_on_config_changed(grpc_exec_ctx *exec_ctx, void *arg,
   }
 
   if (iomgr_success && chand->resolver) {
-    grpc_connectivity_state_set(exec_ctx, &chand->state_tracker, state,
-                                "new_lb+resolver");
+    set_channel_connectivity_state_locked(exec_ctx, chand, state,
+                                          "new_lb+resolver");
     if (lb_policy != NULL) {
       watch_lb_policy(exec_ctx, chand, lb_policy, state);
     }
@@ -216,8 +236,8 @@ static void cc_on_config_changed(grpc_exec_ctx *exec_ctx, void *arg,
       GRPC_RESOLVER_UNREF(exec_ctx, chand->resolver, "channel");
       chand->resolver = NULL;
     }
-    grpc_connectivity_state_set(exec_ctx, &chand->state_tracker,
-                                GRPC_CHANNEL_FATAL_FAILURE, "resolver_gone");
+    set_channel_connectivity_state_locked(
+        exec_ctx, chand, GRPC_CHANNEL_FATAL_FAILURE, "resolver_gone");
     gpr_mu_unlock(&chand->mu_config);
   }
 
@@ -272,11 +292,16 @@ static void cc_start_transport_op(grpc_exec_ctx *exec_ctx,
   }
 
   if (op->disconnect && chand->resolver != NULL) {
-    grpc_connectivity_state_set(exec_ctx, &chand->state_tracker,
-                                GRPC_CHANNEL_FATAL_FAILURE, "disconnect");
+    set_channel_connectivity_state_locked(
+        exec_ctx, chand, GRPC_CHANNEL_FATAL_FAILURE, "disconnect");
     grpc_resolver_shutdown(exec_ctx, chand->resolver);
     GRPC_RESOLVER_UNREF(exec_ctx, chand->resolver, "channel");
     chand->resolver = NULL;
+    if (!chand->started_resolving) {
+      grpc_closure_list_fail_all(&chand->waiting_for_config_closures);
+      grpc_exec_ctx_enqueue_list(exec_ctx, &chand->waiting_for_config_closures,
+                                 NULL);
+    }
     if (chand->lb_policy != NULL) {
       grpc_pollset_set_del_pollset_set(exec_ctx,
                                        chand->lb_policy->interested_parties,
@@ -290,6 +315,7 @@ static void cc_start_transport_op(grpc_exec_ctx *exec_ctx,
 
 typedef struct {
   grpc_metadata_batch *initial_metadata;
+  uint32_t initial_metadata_flags;
   grpc_connected_subchannel **connected_subchannel;
   grpc_closure *on_ready;
   grpc_call_element *elem;
@@ -298,16 +324,18 @@ typedef struct {
 
 static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *arg,
                               grpc_metadata_batch *initial_metadata,
+                              uint32_t initial_metadata_flags,
                               grpc_connected_subchannel **connected_subchannel,
                               grpc_closure *on_ready);
 
 static void continue_picking(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
   continue_picking_args *cpa = arg;
-  if (!success) {
-    grpc_exec_ctx_enqueue(exec_ctx, cpa->on_ready, false, NULL);
-  } else if (cpa->connected_subchannel == NULL) {
+  if (cpa->connected_subchannel == NULL) {
     /* cancelled, do nothing */
+  } else if (!success) {
+    grpc_exec_ctx_enqueue(exec_ctx, cpa->on_ready, false, NULL);
   } else if (cc_pick_subchannel(exec_ctx, cpa->elem, cpa->initial_metadata,
+                                cpa->initial_metadata_flags,
                                 cpa->connected_subchannel, cpa->on_ready)) {
     grpc_exec_ctx_enqueue(exec_ctx, cpa->on_ready, true, NULL);
   }
@@ -316,6 +344,7 @@ static void continue_picking(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
 
 static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *elemp,
                               grpc_metadata_batch *initial_metadata,
+                              uint32_t initial_metadata_flags,
                               grpc_connected_subchannel **connected_subchannel,
                               grpc_closure *on_ready) {
   grpc_call_element *elem = elemp;
@@ -349,7 +378,8 @@ static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *elemp,
     GRPC_LB_POLICY_REF(lb_policy, "cc_pick_subchannel");
     gpr_mu_unlock(&chand->mu_config);
     r = grpc_lb_policy_pick(exec_ctx, lb_policy, calld->pollset,
-                            initial_metadata, connected_subchannel, on_ready);
+                            initial_metadata, initial_metadata_flags,
+                            connected_subchannel, on_ready);
     GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "cc_pick_subchannel");
     return r;
   }
@@ -360,13 +390,19 @@ static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *elemp,
                        &chand->incoming_configuration,
                        &chand->on_config_changed);
   }
-  cpa = gpr_malloc(sizeof(*cpa));
-  cpa->initial_metadata = initial_metadata;
-  cpa->connected_subchannel = connected_subchannel;
-  cpa->on_ready = on_ready;
-  cpa->elem = elem;
-  grpc_closure_init(&cpa->closure, continue_picking, cpa);
-  grpc_closure_list_add(&chand->waiting_for_config_closures, &cpa->closure, 1);
+  if (chand->resolver != NULL) {
+    cpa = gpr_malloc(sizeof(*cpa));
+    cpa->initial_metadata = initial_metadata;
+    cpa->initial_metadata_flags = initial_metadata_flags;
+    cpa->connected_subchannel = connected_subchannel;
+    cpa->on_ready = on_ready;
+    cpa->elem = elem;
+    grpc_closure_init(&cpa->closure, continue_picking, cpa);
+    grpc_closure_list_add(&chand->waiting_for_config_closures, &cpa->closure,
+                          1);
+  } else {
+    grpc_exec_ctx_enqueue(exec_ctx, on_ready, false, NULL);
+  }
   gpr_mu_unlock(&chand->mu_config);
   return 0;
 }
@@ -431,9 +467,17 @@ static void cc_set_pollset(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
 }
 
 const grpc_channel_filter grpc_client_channel_filter = {
-    cc_start_transport_stream_op, cc_start_transport_op, sizeof(call_data),
-    init_call_elem, cc_set_pollset, destroy_call_elem, sizeof(channel_data),
-    init_channel_elem, destroy_channel_elem, cc_get_peer, "client-channel",
+    cc_start_transport_stream_op,
+    cc_start_transport_op,
+    sizeof(call_data),
+    init_call_elem,
+    cc_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    cc_get_peer,
+    "client-channel",
 };
 
 void grpc_client_channel_set_resolver(grpc_exec_ctx *exec_ctx,
diff --git a/src/core/channel/client_channel.h b/src/core/ext/client_config/client_channel.h
similarity index 90%
rename from src/core/channel/client_channel.h
rename to src/core/ext/client_config/client_channel.h
index d9bc4971f1ae51837b858186982e62d3f58815a3..1e47ad34ad8bbea6cc713e5e056983c63850fcd7 100644
--- a/src/core/channel/client_channel.h
+++ b/src/core/ext/client_config/client_channel.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_CLIENT_CHANNEL_H
-#define GRPC_INTERNAL_CORE_CHANNEL_CLIENT_CHANNEL_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_H
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/client_config/resolver.h"
+#include "src/core/ext/client_config/resolver.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 /* A client channel is a channel that begins disconnected, and can connect
    to some endpoint on demand. If that endpoint disconnects, it will be
@@ -60,4 +60,4 @@ void grpc_client_channel_watch_connectivity_state(
     grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, grpc_pollset *pollset,
     grpc_connectivity_state *state, grpc_closure *on_complete);
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_CLIENT_CHANNEL_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_H */
diff --git a/src/core/ext/client_config/client_channel_factory.c b/src/core/ext/client_config/client_channel_factory.c
new file mode 100644
index 0000000000000000000000000000000000000000..71c64c0da1b4ab20b9342646f2cb4cc4ac49db65
--- /dev/null
+++ b/src/core/ext/client_config/client_channel_factory.c
@@ -0,0 +1,57 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/client_channel_factory.h"
+
+void grpc_client_channel_factory_ref(grpc_client_channel_factory* factory) {
+  factory->vtable->ref(factory);
+}
+
+void grpc_client_channel_factory_unref(grpc_exec_ctx* exec_ctx,
+                                       grpc_client_channel_factory* factory) {
+  factory->vtable->unref(exec_ctx, factory);
+}
+
+grpc_subchannel* grpc_client_channel_factory_create_subchannel(
+    grpc_exec_ctx* exec_ctx, grpc_client_channel_factory* factory,
+    grpc_subchannel_args* args) {
+  return factory->vtable->create_subchannel(exec_ctx, factory, args);
+}
+
+grpc_channel* grpc_client_channel_factory_create_channel(
+    grpc_exec_ctx* exec_ctx, grpc_client_channel_factory* factory,
+    const char* target, grpc_client_channel_type type,
+    grpc_channel_args* args) {
+  return factory->vtable->create_client_channel(exec_ctx, factory, target, type,
+                                                args);
+}
diff --git a/src/core/ext/client_config/client_channel_factory.h b/src/core/ext/client_config/client_channel_factory.h
new file mode 100644
index 0000000000000000000000000000000000000000..1241b9b781ff02a7d5f58f5b9ba4739a288d0ed8
--- /dev/null
+++ b/src/core/ext/client_config/client_channel_factory.h
@@ -0,0 +1,85 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_FACTORY_H
+
+#include <grpc/impl/codegen/grpc_types.h>
+
+#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/lib/channel/channel_stack.h"
+
+typedef struct grpc_client_channel_factory grpc_client_channel_factory;
+typedef struct grpc_client_channel_factory_vtable
+    grpc_client_channel_factory_vtable;
+
+typedef enum {
+  GRPC_CLIENT_CHANNEL_TYPE_REGULAR, /** for the user-level regular calls */
+  GRPC_CLIENT_CHANNEL_TYPE_LOAD_BALANCING, /** for communication with a load
+                                              balancing service */
+} grpc_client_channel_type;
+
+/** Constructor for new configured channels.
+    Creating decorators around this type is encouraged to adapt behavior. */
+struct grpc_client_channel_factory {
+  const grpc_client_channel_factory_vtable *vtable;
+};
+
+struct grpc_client_channel_factory_vtable {
+  void (*ref)(grpc_client_channel_factory *factory);
+  void (*unref)(grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory);
+  grpc_subchannel *(*create_subchannel)(grpc_exec_ctx *exec_ctx,
+                                        grpc_client_channel_factory *factory,
+                                        grpc_subchannel_args *args);
+  grpc_channel *(*create_client_channel)(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *factory,
+                                         const char *target,
+                                         grpc_client_channel_type type,
+                                         grpc_channel_args *args);
+};
+
+void grpc_client_channel_factory_ref(grpc_client_channel_factory *factory);
+void grpc_client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                       grpc_client_channel_factory *factory);
+
+/** Create a new grpc_subchannel */
+grpc_subchannel *grpc_client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
+    grpc_subchannel_args *args);
+
+/** Create a new grpc_channel */
+grpc_channel *grpc_client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
+    const char *target, grpc_client_channel_type type, grpc_channel_args *args);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_FACTORY_H */
diff --git a/src/core/client_config/client_config.c b/src/core/ext/client_config/client_config.c
similarity index 96%
rename from src/core/client_config/client_config.c
rename to src/core/ext/client_config/client_config.c
index c500af25eec775bab60a79b0451510a11f905801..f9b8e686988f08722d00f571415a5fb6665f6ac7 100644
--- a/src/core/client_config/client_config.c
+++ b/src/core/ext/client_config/client_config.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/client_config.h"
+#include "src/core/ext/client_config/client_config.h"
 
 #include <string.h>
 
diff --git a/src/core/client_config/client_config.h b/src/core/ext/client_config/client_config.h
similarity index 90%
rename from src/core/client_config/client_config.h
rename to src/core/ext/client_config/client_config.h
index 04bf036b00b7e411b4dd334d7a3a649f76ada26c..a6290cbcf00e3022519127b01a0ac60c708013d2 100644
--- a/src/core/client_config/client_config.h
+++ b/src/core/ext/client_config/client_config.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_CLIENT_CONFIG_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_CLIENT_CONFIG_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CONFIG_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CONFIG_H
 
-#include "src/core/client_config/lb_policy.h"
+#include "src/core/ext/client_config/lb_policy.h"
 
 /** Total configuration for a client. Provided, and updated, by
     grpc_resolver */
@@ -50,4 +50,4 @@ void grpc_client_config_set_lb_policy(grpc_client_config *client_config,
 grpc_lb_policy *grpc_client_config_get_lb_policy(
     grpc_client_config *client_config);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_CLIENT_CONFIG_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CONFIG_H */
diff --git a/src/core/ext/client_config/client_config_plugin.c b/src/core/ext/client_config/client_config_plugin.c
new file mode 100644
index 0000000000000000000000000000000000000000..5e316134205700d668d2e53790e1b51676ea7c28
--- /dev/null
+++ b/src/core/ext/client_config/client_config_plugin.c
@@ -0,0 +1,95 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <limits.h>
+#include <stdbool.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/subchannel_index.h"
+#include "src/core/lib/surface/channel_init.h"
+
+#ifndef GRPC_DEFAULT_NAME_PREFIX
+#define GRPC_DEFAULT_NAME_PREFIX "dns:///"
+#endif
+
+static bool append_filter(grpc_channel_stack_builder *builder, void *arg) {
+  return grpc_channel_stack_builder_append_filter(
+      builder, (const grpc_channel_filter *)arg, NULL, NULL);
+}
+
+static bool set_default_host_if_unset(grpc_channel_stack_builder *builder,
+                                      void *unused) {
+  const grpc_channel_args *args =
+      grpc_channel_stack_builder_get_channel_arguments(builder);
+  for (size_t i = 0; i < args->num_args; i++) {
+    if (0 == strcmp(args->args[i].key, GRPC_ARG_DEFAULT_AUTHORITY) ||
+        0 == strcmp(args->args[i].key, GRPC_SSL_TARGET_NAME_OVERRIDE_ARG)) {
+      return true;
+    }
+  }
+  char *default_authority = grpc_get_default_authority(
+      grpc_channel_stack_builder_get_target(builder));
+  if (default_authority != NULL) {
+    grpc_arg arg;
+    arg.type = GRPC_ARG_STRING;
+    arg.key = GRPC_ARG_DEFAULT_AUTHORITY;
+    arg.value.string = default_authority;
+    grpc_channel_args *new_args = grpc_channel_args_copy_and_add(args, &arg, 1);
+    grpc_channel_stack_builder_set_channel_arguments(builder, new_args);
+    gpr_free(default_authority);
+    grpc_channel_args_destroy(new_args);
+  }
+  return true;
+}
+
+void grpc_client_config_init(void) {
+  grpc_lb_policy_registry_init();
+  grpc_resolver_registry_init(GRPC_DEFAULT_NAME_PREFIX);
+  grpc_subchannel_index_init();
+  grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MIN,
+                                   set_default_host_if_unset, NULL);
+  grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MAX, append_filter,
+                                   (void *)&grpc_client_channel_filter);
+}
+
+void grpc_client_config_shutdown(void) {
+  grpc_subchannel_index_shutdown();
+  grpc_channel_init_shutdown();
+  grpc_resolver_registry_shutdown();
+  grpc_lb_policy_registry_shutdown();
+}
diff --git a/src/core/client_config/connector.c b/src/core/ext/client_config/connector.c
similarity index 96%
rename from src/core/client_config/connector.c
rename to src/core/ext/client_config/connector.c
index aa34aa7fab6d9e09a7f74b94fe183331818530bb..5b629ed5fb1c01cbc64f1a5927140b8f70c43ccd 100644
--- a/src/core/client_config/connector.c
+++ b/src/core/ext/client_config/connector.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/connector.h"
+#include "src/core/ext/client_config/connector.h"
 
 grpc_connector* grpc_connector_ref(grpc_connector* connector) {
   connector->vtable->ref(connector);
diff --git a/src/core/client_config/connector.h b/src/core/ext/client_config/connector.h
similarity index 89%
rename from src/core/client_config/connector.h
rename to src/core/ext/client_config/connector.h
index b91eb512c3016e9a855209a70a24ad252fc29b82..dd85dfcb7de6df2221b9a4d82958654ca5c4a500 100644
--- a/src/core/client_config/connector.h
+++ b/src/core/ext/client_config/connector.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_CONNECTOR_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_CONNECTOR_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CONNECTOR_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_CONNECTOR_H
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/transport/transport.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/transport/transport.h"
 
 typedef struct grpc_connector grpc_connector;
 typedef struct grpc_connector_vtable grpc_connector_vtable;
@@ -62,9 +62,6 @@ typedef struct {
 typedef struct {
   /** the connected transport */
   grpc_transport *transport;
-  /** any additional filters (owned by the caller of connect) */
-  const grpc_channel_filter **filters;
-  size_t num_filters;
 
   /** channel arguments (to be passed to the filters) */
   const grpc_channel_args *channel_args;
@@ -92,4 +89,4 @@ void grpc_connector_connect(grpc_exec_ctx *exec_ctx, grpc_connector *connector,
 void grpc_connector_shutdown(grpc_exec_ctx *exec_ctx,
                              grpc_connector *connector);
 
-#endif
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_CONNECTOR_H */
diff --git a/src/core/client_config/default_initial_connect_string.c b/src/core/ext/client_config/default_initial_connect_string.c
similarity index 97%
rename from src/core/client_config/default_initial_connect_string.c
rename to src/core/ext/client_config/default_initial_connect_string.c
index 6a4e23e6f2961a9b939d6b4326d09964457fa47f..a70da4a84af78dbc94c9375b28bd2150c8252556 100644
--- a/src/core/client_config/default_initial_connect_string.c
+++ b/src/core/ext/client_config/default_initial_connect_string.c
@@ -32,7 +32,7 @@
  */
 
 #include <grpc/support/slice.h>
-#include "src/core/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 
 void grpc_set_default_initial_connect_string(struct sockaddr **addr,
                                              size_t *addr_len,
diff --git a/src/core/client_config/initial_connect_string.c b/src/core/ext/client_config/initial_connect_string.c
similarity index 97%
rename from src/core/client_config/initial_connect_string.c
rename to src/core/ext/client_config/initial_connect_string.c
index 19afa1675a7b99da4d6b0862ded049122fd1c9ef..41580d2106ca16fa1868dfa70f126d43aebbb6d0 100644
--- a/src/core/client_config/initial_connect_string.c
+++ b/src/core/ext/client_config/initial_connect_string.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/initial_connect_string.h"
+#include "src/core/ext/client_config/initial_connect_string.h"
 
 #include <stddef.h>
 
diff --git a/src/core/client_config/initial_connect_string.h b/src/core/ext/client_config/initial_connect_string.h
similarity index 89%
rename from src/core/client_config/initial_connect_string.h
rename to src/core/ext/client_config/initial_connect_string.h
index b6dca7134a4345cc0c0989abe56f88c72442d7d3..06f0767832a582cce0f684f324b54972631ea1c4 100644
--- a/src/core/client_config/initial_connect_string.h
+++ b/src/core/ext/client_config/initial_connect_string.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H
 
 #include <grpc/support/slice.h>
-#include "src/core/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 
 typedef void (*grpc_set_initial_connect_string_func)(struct sockaddr **addr,
                                                      size_t *addr_len,
@@ -47,4 +47,4 @@ void grpc_test_set_initial_connect_string_function(
 void grpc_set_initial_connect_string(struct sockaddr **addr, size_t *addr_len,
                                      gpr_slice *connect_string);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H */
diff --git a/src/core/client_config/lb_policy.c b/src/core/ext/client_config/lb_policy.c
similarity index 89%
rename from src/core/client_config/lb_policy.c
rename to src/core/ext/client_config/lb_policy.c
index 0d8b0073369c32812ba64b0925ea34ecbfce141a..a7ad9842dc344b74e46e1ce6cb4a62580d41d0f3 100644
--- a/src/core/client_config/lb_policy.c
+++ b/src/core/ext/client_config/lb_policy.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/lb_policy.h"
+#include "src/core/ext/client_config/lb_policy.h"
 
 #define WEAK_REF_BITS 16
 
@@ -101,10 +101,11 @@ void grpc_lb_policy_weak_unref(grpc_exec_ctx *exec_ctx,
 int grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
                         grpc_pollset *pollset,
                         grpc_metadata_batch *initial_metadata,
+                        uint32_t initial_metadata_flags,
                         grpc_connected_subchannel **target,
                         grpc_closure *on_complete) {
   return policy->vtable->pick(exec_ctx, policy, pollset, initial_metadata,
-                              target, on_complete);
+                              initial_metadata_flags, target, on_complete);
 }
 
 void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
@@ -112,6 +113,14 @@ void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
   policy->vtable->cancel_pick(exec_ctx, policy, target);
 }
 
+void grpc_lb_policy_cancel_picks(grpc_exec_ctx *exec_ctx,
+                                 grpc_lb_policy *policy,
+                                 uint32_t initial_metadata_flags_mask,
+                                 uint32_t initial_metadata_flags_eq) {
+  policy->vtable->cancel_picks(exec_ctx, policy, initial_metadata_flags_mask,
+                               initial_metadata_flags_eq);
+}
+
 void grpc_lb_policy_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy) {
   policy->vtable->exit_idle(exec_ctx, policy);
 }
diff --git a/src/core/client_config/lb_policy.h b/src/core/ext/client_config/lb_policy.h
similarity index 87%
rename from src/core/client_config/lb_policy.h
rename to src/core/ext/client_config/lb_policy.h
index 345739060682c0fb96fbd7f41c81a00546ab84b2..0384e0b2ebe3b59d26cbb616467adcf889f4b705 100644
--- a/src/core/client_config/lb_policy.h
+++ b/src/core/ext/client_config/lb_policy.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICY_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_H
 
-#include "src/core/client_config/subchannel.h"
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 /** A load balancing policy: specified by a vtable and a struct (which
     is expected to be extended to contain some parameters) */
@@ -60,9 +60,13 @@ struct grpc_lb_policy_vtable {
   /** implement grpc_lb_policy_pick */
   int (*pick)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
               grpc_pollset *pollset, grpc_metadata_batch *initial_metadata,
+              uint32_t initial_metadata_flags,
               grpc_connected_subchannel **target, grpc_closure *on_complete);
   void (*cancel_pick)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
                       grpc_connected_subchannel **target);
+  void (*cancel_picks)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                       uint32_t initial_metadata_flags_mask,
+                       uint32_t initial_metadata_flags_eq);
 
   void (*ping_one)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
                    grpc_closure *closure);
@@ -122,6 +126,7 @@ void grpc_lb_policy_init(grpc_lb_policy *policy,
 int grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
                         grpc_pollset *pollset,
                         grpc_metadata_batch *initial_metadata,
+                        uint32_t initial_metadata_flags,
                         grpc_connected_subchannel **target,
                         grpc_closure *on_complete);
 
@@ -131,6 +136,14 @@ void grpc_lb_policy_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
 void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
                                 grpc_connected_subchannel **target);
 
+/** Cancel all pending picks which have:
+    (initial_metadata_flags & initial_metadata_flags_mask) ==
+         initial_metadata_flags_eq */
+void grpc_lb_policy_cancel_picks(grpc_exec_ctx *exec_ctx,
+                                 grpc_lb_policy *policy,
+                                 uint32_t initial_metadata_flags_mask,
+                                 uint32_t initial_metadata_flags_eq);
+
 void grpc_lb_policy_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
 
 void grpc_lb_policy_notify_on_state_change(grpc_exec_ctx *exec_ctx,
@@ -141,4 +154,4 @@ void grpc_lb_policy_notify_on_state_change(grpc_exec_ctx *exec_ctx,
 grpc_connectivity_state grpc_lb_policy_check_connectivity(
     grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
 
-#endif /* GRPC_INTERNAL_CORE_CONFIG_LB_POLICY_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_H */
diff --git a/src/core/client_config/lb_policy_factory.c b/src/core/ext/client_config/lb_policy_factory.c
similarity index 89%
rename from src/core/client_config/lb_policy_factory.c
rename to src/core/ext/client_config/lb_policy_factory.c
index e49de544e3a1d54c2a9b8fbd272d59a1690c83a6..70e46ef3cfc60c727c75d2fac46d283041ff9f4f 100644
--- a/src/core/client_config/lb_policy_factory.c
+++ b/src/core/ext/client_config/lb_policy_factory.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/lb_policy_factory.h"
+#include "src/core/ext/client_config/lb_policy_factory.h"
 
 void grpc_lb_policy_factory_ref(grpc_lb_policy_factory* factory) {
   factory->vtable->ref(factory);
@@ -42,7 +42,8 @@ void grpc_lb_policy_factory_unref(grpc_lb_policy_factory* factory) {
 }
 
 grpc_lb_policy* grpc_lb_policy_factory_create_lb_policy(
-    grpc_lb_policy_factory* factory, grpc_lb_policy_args* args) {
+    grpc_exec_ctx* exec_ctx, grpc_lb_policy_factory* factory,
+    grpc_lb_policy_args* args) {
   if (factory == NULL) return NULL;
-  return factory->vtable->create_lb_policy(factory, args);
+  return factory->vtable->create_lb_policy(exec_ctx, factory, args);
 }
diff --git a/src/core/client_config/lb_policy_factory.h b/src/core/ext/client_config/lb_policy_factory.h
similarity index 78%
rename from src/core/client_config/lb_policy_factory.h
rename to src/core/ext/client_config/lb_policy_factory.h
index 04610316ee4300bed4b5bfa1804928d2366a44fe..1c89b28b59a3301dbfad3c26a3e5db67341b8005 100644
--- a/src/core/client_config/lb_policy_factory.h
+++ b/src/core/ext/client_config/lb_policy_factory.h
@@ -31,11 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICY_FACTORY_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICY_FACTORY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_FACTORY_H
 
-#include "src/core/client_config/lb_policy.h"
-#include "src/core/client_config/subchannel.h"
+#include "src/core/ext/client_config/client_channel_factory.h"
+#include "src/core/ext/client_config/lb_policy.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 typedef struct grpc_lb_policy_factory grpc_lb_policy_factory;
 typedef struct grpc_lb_policy_factory_vtable grpc_lb_policy_factory_vtable;
@@ -47,8 +50,8 @@ struct grpc_lb_policy_factory {
 };
 
 typedef struct grpc_lb_policy_args {
-  grpc_subchannel **subchannels;
-  size_t num_subchannels;
+  grpc_resolved_addresses *addresses;
+  grpc_client_channel_factory *client_channel_factory;
 } grpc_lb_policy_args;
 
 struct grpc_lb_policy_factory_vtable {
@@ -56,7 +59,8 @@ struct grpc_lb_policy_factory_vtable {
   void (*unref)(grpc_lb_policy_factory *factory);
 
   /** Implementation of grpc_lb_policy_factory_create_lb_policy */
-  grpc_lb_policy *(*create_lb_policy)(grpc_lb_policy_factory *factory,
+  grpc_lb_policy *(*create_lb_policy)(grpc_exec_ctx *exec_ctx,
+                                      grpc_lb_policy_factory *factory,
                                       grpc_lb_policy_args *args);
 
   /** Name for the LB policy this factory implements */
@@ -68,6 +72,7 @@ void grpc_lb_policy_factory_unref(grpc_lb_policy_factory *factory);
 
 /** Create a lb_policy instance. */
 grpc_lb_policy *grpc_lb_policy_factory_create_lb_policy(
-    grpc_lb_policy_factory *factory, grpc_lb_policy_args *args);
+    grpc_exec_ctx *exec_ctx, grpc_lb_policy_factory *factory,
+    grpc_lb_policy_args *args);
 
-#endif /* GRPC_INTERNAL_CORE_CONFIG_LB_POLICY_FACTORY_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_FACTORY_H */
diff --git a/src/core/client_config/lb_policy_registry.c b/src/core/ext/client_config/lb_policy_registry.c
similarity index 87%
rename from src/core/client_config/lb_policy_registry.c
rename to src/core/ext/client_config/lb_policy_registry.c
index fc302e82d7e0763534f815e05fa0b0e0afda9841..a23643ecc65dfbb8c92170a6909dc645673255dc 100644
--- a/src/core/client_config/lb_policy_registry.c
+++ b/src/core/ext/client_config/lb_policy_registry.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
 
 #include <string.h>
 
@@ -40,12 +40,7 @@
 static grpc_lb_policy_factory *g_all_of_the_lb_policies[MAX_POLICIES];
 static int g_number_of_lb_policies = 0;
 
-static grpc_lb_policy_factory *g_default_lb_policy_factory;
-
-void grpc_lb_policy_registry_init(grpc_lb_policy_factory *default_factory) {
-  g_number_of_lb_policies = 0;
-  g_default_lb_policy_factory = default_factory;
-}
+void grpc_lb_policy_registry_init(void) { g_number_of_lb_policies = 0; }
 
 void grpc_lb_policy_registry_shutdown(void) {
   int i;
@@ -79,10 +74,10 @@ static grpc_lb_policy_factory *lookup_factory(const char *name) {
   return NULL;
 }
 
-grpc_lb_policy *grpc_lb_policy_create(const char *name,
+grpc_lb_policy *grpc_lb_policy_create(grpc_exec_ctx *exec_ctx, const char *name,
                                       grpc_lb_policy_args *args) {
   grpc_lb_policy_factory *factory = lookup_factory(name);
   grpc_lb_policy *lb_policy =
-      grpc_lb_policy_factory_create_lb_policy(factory, args);
+      grpc_lb_policy_factory_create_lb_policy(exec_ctx, factory, args);
   return lb_policy;
 }
diff --git a/src/core/client_config/lb_policy_registry.h b/src/core/ext/client_config/lb_policy_registry.h
similarity index 83%
rename from src/core/client_config/lb_policy_registry.h
rename to src/core/ext/client_config/lb_policy_registry.h
index 96fc2a162851371def9028ebfbe61f89be6e553e..92f38d6de64a4de466a1b4f3cdb966c566acd9cc 100644
--- a/src/core/client_config/lb_policy_registry.h
+++ b/src/core/ext/client_config/lb_policy_registry.h
@@ -31,14 +31,15 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICY_REGISTRY_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICY_REGISTRY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_REGISTRY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_REGISTRY_H
 
-#include "src/core/client_config/lb_policy_factory.h"
+#include "src/core/ext/client_config/lb_policy_factory.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 /** Initialize the registry and set \a default_factory as the factory to be
  * returned when no name is provided in a lookup */
-void grpc_lb_policy_registry_init(grpc_lb_policy_factory *default_factory);
+void grpc_lb_policy_registry_init(void);
 void grpc_lb_policy_registry_shutdown(void);
 
 /** Register a LB policy factory. */
@@ -48,7 +49,7 @@ void grpc_register_lb_policy(grpc_lb_policy_factory *factory);
  *
  * If \a name is NULL, the default factory from \a grpc_lb_policy_registry_init
  * will be returned. */
-grpc_lb_policy *grpc_lb_policy_create(const char *name,
+grpc_lb_policy *grpc_lb_policy_create(grpc_exec_ctx *exec_ctx, const char *name,
                                       grpc_lb_policy_args *args);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICY_REGISTRY_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_REGISTRY_H */
diff --git a/src/core/ext/client_config/parse_address.c b/src/core/ext/client_config/parse_address.c
new file mode 100644
index 0000000000000000000000000000000000000000..8b4abe24a6118f752ddc2cd0ff7c626ddb0e2e06
--- /dev/null
+++ b/src/core/ext/client_config/parse_address.c
@@ -0,0 +1,137 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/parse_address.h"
+
+#include <stdio.h>
+#include <string.h>
+#ifdef GPR_HAVE_UNIX_SOCKET
+#include <sys/un.h>
+#endif
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/host_port.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+
+#ifdef GPR_HAVE_UNIX_SOCKET
+int parse_unix(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len) {
+  struct sockaddr_un *un = (struct sockaddr_un *)addr;
+
+  un->sun_family = AF_UNIX;
+  strcpy(un->sun_path, uri->path);
+  *len = strlen(un->sun_path) + sizeof(un->sun_family) + 1;
+
+  return 1;
+}
+#endif
+
+int parse_ipv4(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len) {
+  const char *host_port = uri->path;
+  char *host;
+  char *port;
+  int port_num;
+  int result = 0;
+  struct sockaddr_in *in = (struct sockaddr_in *)addr;
+
+  if (*host_port == '/') ++host_port;
+  if (!gpr_split_host_port(host_port, &host, &port)) {
+    return 0;
+  }
+
+  memset(in, 0, sizeof(*in));
+  *len = sizeof(*in);
+  in->sin_family = AF_INET;
+  if (inet_pton(AF_INET, host, &in->sin_addr) == 0) {
+    gpr_log(GPR_ERROR, "invalid ipv4 address: '%s'", host);
+    goto done;
+  }
+
+  if (port != NULL) {
+    if (sscanf(port, "%d", &port_num) != 1 || port_num < 0 ||
+        port_num > 65535) {
+      gpr_log(GPR_ERROR, "invalid ipv4 port: '%s'", port);
+      goto done;
+    }
+    in->sin_port = htons((uint16_t)port_num);
+  } else {
+    gpr_log(GPR_ERROR, "no port given for ipv4 scheme");
+    goto done;
+  }
+
+  result = 1;
+done:
+  gpr_free(host);
+  gpr_free(port);
+  return result;
+}
+
+int parse_ipv6(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len) {
+  const char *host_port = uri->path;
+  char *host;
+  char *port;
+  int port_num;
+  int result = 0;
+  struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)addr;
+
+  if (*host_port == '/') ++host_port;
+  if (!gpr_split_host_port(host_port, &host, &port)) {
+    return 0;
+  }
+
+  memset(in6, 0, sizeof(*in6));
+  *len = sizeof(*in6);
+  in6->sin6_family = AF_INET6;
+  if (inet_pton(AF_INET6, host, &in6->sin6_addr) == 0) {
+    gpr_log(GPR_ERROR, "invalid ipv6 address: '%s'", host);
+    goto done;
+  }
+
+  if (port != NULL) {
+    if (sscanf(port, "%d", &port_num) != 1 || port_num < 0 ||
+        port_num > 65535) {
+      gpr_log(GPR_ERROR, "invalid ipv6 port: '%s'", port);
+      goto done;
+    }
+    in6->sin6_port = htons((uint16_t)port_num);
+  } else {
+    gpr_log(GPR_ERROR, "no port given for ipv6 scheme");
+    goto done;
+  }
+
+  result = 1;
+done:
+  gpr_free(host);
+  gpr_free(port);
+  return result;
+}
diff --git a/src/core/ext/client_config/parse_address.h b/src/core/ext/client_config/parse_address.h
new file mode 100644
index 0000000000000000000000000000000000000000..74c86f4d938b97d2cebf01f28e413d94e0ca12c1
--- /dev/null
+++ b/src/core/ext/client_config/parse_address.h
@@ -0,0 +1,56 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_PARSE_ADDRESS_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_PARSE_ADDRESS_H
+
+#include <stddef.h>
+
+#include "src/core/ext/client_config/uri_parser.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+
+#ifdef GPR_HAVE_UNIX_SOCKET
+/** Populate \a addr and \a len from \a uri, whose path is expected to contain a
+ * unix socket path. Returns true upon success. */
+int parse_unix(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len);
+#endif
+
+/** Populate /a addr and \a len from \a uri, whose path is expected to contain a
+ * host:port pair. Returns true upon success. */
+int parse_ipv4(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len);
+
+/** Populate /a addr and \a len from \a uri, whose path is expected to contain a
+ * host:port pair. Returns true upon success. */
+int parse_ipv6(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_PARSE_ADDRESS_H */
diff --git a/src/core/client_config/resolver.c b/src/core/ext/client_config/resolver.c
similarity index 98%
rename from src/core/client_config/resolver.c
rename to src/core/ext/client_config/resolver.c
index eda01e72ba7fb9eee14d961e67d2d653894d7f4e..eb004455bd06dfd9b59de739e5978bc00935021d 100644
--- a/src/core/client_config/resolver.c
+++ b/src/core/ext/client_config/resolver.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/resolver.h"
+#include "src/core/ext/client_config/resolver.h"
 
 void grpc_resolver_init(grpc_resolver *resolver,
                         const grpc_resolver_vtable *vtable) {
diff --git a/src/core/client_config/resolver.h b/src/core/ext/client_config/resolver.h
similarity index 93%
rename from src/core/client_config/resolver.h
rename to src/core/ext/client_config/resolver.h
index e612eaf3b3cacddd942203d72fbd4ab114f2b0c5..6ecb5d2774ffc1fe48e5a7ed17ec783185b72942 100644
--- a/src/core/client_config/resolver.h
+++ b/src/core/ext/client_config/resolver.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVER_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVER_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_H
 
-#include "src/core/client_config/client_config.h"
-#include "src/core/client_config/subchannel.h"
-#include "src/core/iomgr/iomgr.h"
+#include "src/core/ext/client_config/client_config.h"
+#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/lib/iomgr/iomgr.h"
 
 typedef struct grpc_resolver grpc_resolver;
 typedef struct grpc_resolver_vtable grpc_resolver_vtable;
@@ -91,4 +91,4 @@ void grpc_resolver_next(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver,
                         grpc_client_config **target_config,
                         grpc_closure *on_complete);
 
-#endif /* GRPC_INTERNAL_CORE_CONFIG_RESOLVER_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_H */
diff --git a/src/core/client_config/resolver_factory.c b/src/core/ext/client_config/resolver_factory.c
similarity index 97%
rename from src/core/client_config/resolver_factory.c
rename to src/core/ext/client_config/resolver_factory.c
index e7e9196ac4d8c9d31f56a61a6014fd7eb55ea98c..67832dcf59e8568ac170e553cf7e308690cde1b1 100644
--- a/src/core/client_config/resolver_factory.c
+++ b/src/core/ext/client_config/resolver_factory.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/resolver_factory.h"
+#include "src/core/ext/client_config/resolver_factory.h"
 
 void grpc_resolver_factory_ref(grpc_resolver_factory* factory) {
   factory->vtable->ref(factory);
diff --git a/src/core/client_config/resolver_factory.h b/src/core/ext/client_config/resolver_factory.h
similarity index 88%
rename from src/core/client_config/resolver_factory.h
rename to src/core/ext/client_config/resolver_factory.h
index 4c4df353f7cbcee3f6096a749bcff2c1c172472a..4eb6979aad8d9e2bdabd392f77dc1e566fd5d7c0 100644
--- a/src/core/client_config/resolver_factory.h
+++ b/src/core/ext/client_config/resolver_factory.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVER_FACTORY_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVER_FACTORY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_FACTORY_H
 
-#include "src/core/client_config/resolver.h"
-#include "src/core/client_config/subchannel_factory.h"
-#include "src/core/client_config/uri_parser.h"
+#include "src/core/ext/client_config/client_channel_factory.h"
+#include "src/core/ext/client_config/resolver.h"
+#include "src/core/ext/client_config/uri_parser.h"
 
 typedef struct grpc_resolver_factory grpc_resolver_factory;
 typedef struct grpc_resolver_factory_vtable grpc_resolver_factory_vtable;
@@ -49,7 +49,7 @@ struct grpc_resolver_factory {
 
 typedef struct grpc_resolver_args {
   grpc_uri *uri;
-  grpc_subchannel_factory *subchannel_factory;
+  grpc_client_channel_factory *client_channel_factory;
 } grpc_resolver_args;
 
 struct grpc_resolver_factory_vtable {
@@ -79,4 +79,4 @@ grpc_resolver *grpc_resolver_factory_create_resolver(
 char *grpc_resolver_factory_get_default_authority(
     grpc_resolver_factory *factory, grpc_uri *uri);
 
-#endif /* GRPC_INTERNAL_CORE_CONFIG_RESOLVER_FACTORY_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_FACTORY_H */
diff --git a/src/core/client_config/resolver_registry.c b/src/core/ext/client_config/resolver_registry.c
similarity index 85%
rename from src/core/client_config/resolver_registry.c
rename to src/core/ext/client_config/resolver_registry.c
index 89a945c2d31dc6f20c571bf87e0c60c1df2659da..07f29bcb27a9b1de6fdbd76243fa7446889c31f0 100644
--- a/src/core/client_config/resolver_registry.c
+++ b/src/core/ext/client_config/resolver_registry.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 
 #include <string.h>
 
@@ -70,14 +70,11 @@ void grpc_register_resolver_type(grpc_resolver_factory *factory) {
   g_all_of_the_resolvers[g_number_of_resolvers++] = factory;
 }
 
-static grpc_resolver_factory *lookup_factory(grpc_uri *uri) {
+static grpc_resolver_factory *lookup_factory(const char *name) {
   int i;
 
-  /* handling NULL uri's here simplifies grpc_resolver_create */
-  if (!uri) return NULL;
-
   for (i = 0; i < g_number_of_resolvers; i++) {
-    if (0 == strcmp(uri->scheme, g_all_of_the_resolvers[i]->vtable->scheme)) {
+    if (0 == strcmp(name, g_all_of_the_resolvers[i]->vtable->scheme)) {
       return g_all_of_the_resolvers[i];
     }
   }
@@ -85,6 +82,17 @@ static grpc_resolver_factory *lookup_factory(grpc_uri *uri) {
   return NULL;
 }
 
+grpc_resolver_factory *grpc_resolver_factory_lookup(const char *name) {
+  grpc_resolver_factory *f = lookup_factory(name);
+  if (f) grpc_resolver_factory_ref(f);
+  return f;
+}
+
+static grpc_resolver_factory *lookup_factory_by_uri(grpc_uri *uri) {
+  if (!uri) return NULL;
+  return lookup_factory(uri->scheme);
+}
+
 static grpc_resolver_factory *resolve_factory(const char *target,
                                               grpc_uri **uri) {
   char *tmp;
@@ -92,13 +100,13 @@ static grpc_resolver_factory *resolve_factory(const char *target,
 
   GPR_ASSERT(uri != NULL);
   *uri = grpc_uri_parse(target, 1);
-  factory = lookup_factory(*uri);
+  factory = lookup_factory_by_uri(*uri);
   if (factory == NULL) {
     if (g_default_resolver_prefix != NULL) {
       grpc_uri_destroy(*uri);
       gpr_asprintf(&tmp, "%s%s", g_default_resolver_prefix, target);
       *uri = grpc_uri_parse(tmp, 1);
-      factory = lookup_factory(*uri);
+      factory = lookup_factory_by_uri(*uri);
       if (factory == NULL) {
         grpc_uri_destroy(grpc_uri_parse(target, 0));
         grpc_uri_destroy(grpc_uri_parse(tmp, 0));
@@ -115,14 +123,14 @@ static grpc_resolver_factory *resolve_factory(const char *target,
 }
 
 grpc_resolver *grpc_resolver_create(
-    const char *target, grpc_subchannel_factory *subchannel_factory) {
+    const char *target, grpc_client_channel_factory *client_channel_factory) {
   grpc_uri *uri = NULL;
   grpc_resolver_factory *factory = resolve_factory(target, &uri);
   grpc_resolver *resolver;
   grpc_resolver_args args;
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.subchannel_factory = subchannel_factory;
+  args.client_channel_factory = client_channel_factory;
   resolver = grpc_resolver_factory_create_resolver(factory, &args);
   grpc_uri_destroy(uri);
   return resolver;
diff --git a/src/core/client_config/resolver_registry.h b/src/core/ext/client_config/resolver_registry.h
similarity index 85%
rename from src/core/client_config/resolver_registry.h
rename to src/core/ext/client_config/resolver_registry.h
index 5a7193b7ae258ace3cda801f1699378423f2243c..5ef1383cd35d607b00d3f62ca6f450cfeaf020a3 100644
--- a/src/core/client_config/resolver_registry.h
+++ b/src/core/ext/client_config/resolver_registry.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVER_REGISTRY_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVER_REGISTRY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_REGISTRY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_REGISTRY_H
 
-#include "src/core/client_config/resolver_factory.h"
+#include "src/core/ext/client_config/resolver_factory.h"
 
 void grpc_resolver_registry_init(const char *default_prefix);
 void grpc_resolver_registry_shutdown(void);
@@ -56,10 +56,14 @@ void grpc_register_resolver_type(grpc_resolver_factory *factory);
     return it.
     If a resolver factory was not found, return NULL. */
 grpc_resolver *grpc_resolver_create(
-    const char *target, grpc_subchannel_factory *subchannel_factory);
+    const char *target, grpc_client_channel_factory *client_channel_factory);
+
+/** Find a resolver factory given a name and return an (owned-by-the-caller)
+ *  reference to it */
+grpc_resolver_factory *grpc_resolver_factory_lookup(const char *name);
 
 /** Given a target, return a (freshly allocated with gpr_malloc) string
     representing the default authority to pass from a client. */
 char *grpc_get_default_authority(const char *target);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVER_REGISTRY_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_REGISTRY_H */
diff --git a/src/core/client_config/subchannel.c b/src/core/ext/client_config/subchannel.c
similarity index 89%
rename from src/core/client_config/subchannel.c
rename to src/core/ext/client_config/subchannel.c
index 5dea21566853015b300b22cb07d0d0f01ce101a9..c925c28c67b8b602ae4e8e251b006ac6d446db1d 100644
--- a/src/core/client_config/subchannel.c
+++ b/src/core/ext/client_config/subchannel.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,29 +31,30 @@
  *
  */
 
-#include "src/core/client_config/subchannel.h"
+#include "src/core/ext/client_config/subchannel.h"
 
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/avl.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/client_config/initial_connect_string.h"
-#include "src/core/client_config/subchannel_index.h"
-#include "src/core/iomgr/timer.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/support/backoff.h"
-#include "src/core/surface/channel.h"
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/initial_connect_string.h"
+#include "src/core/ext/client_config/subchannel_index.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/backoff.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/channel_init.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 #define INTERNAL_REF_BITS 16
 #define STRONG_REF_MASK (~(gpr_atm)((1 << INTERNAL_REF_BITS) - 1))
 
 #define GRPC_SUBCHANNEL_MIN_CONNECT_TIMEOUT_SECONDS 20
-#define GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS 1
+#define GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS 2
 #define GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER 1.6
 #define GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS 120
 #define GRPC_SUBCHANNEL_RECONNECT_JITTER 0.2
@@ -134,8 +135,6 @@ struct grpc_subchannel {
   int have_alarm;
   /** our alarm */
   grpc_timer alarm;
-  /** current random value */
-  uint32_t random;
 };
 
 struct grpc_subchannel_call {
@@ -184,8 +183,8 @@ static void connection_destroy(grpc_exec_ctx *exec_ctx, void *arg,
   gpr_free(c);
 }
 
-void grpc_connected_subchannel_ref(grpc_connected_subchannel *c
-                                       GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+void grpc_connected_subchannel_ref(
+    grpc_connected_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
   GRPC_CHANNEL_STACK_REF(CHANNEL_STACK_FROM_CONNECTION(c), REF_REASON);
 }
 
@@ -226,8 +225,8 @@ static gpr_atm ref_mutate(grpc_subchannel *c, gpr_atm delta,
   return old_val;
 }
 
-grpc_subchannel *grpc_subchannel_ref(grpc_subchannel *c
-                                         GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+grpc_subchannel *grpc_subchannel_ref(
+    grpc_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
   gpr_atm old_refs;
   old_refs = ref_mutate(c, (1 << INTERNAL_REF_BITS),
                         0 REF_MUTATE_PURPOSE("STRONG_REF"));
@@ -235,8 +234,8 @@ grpc_subchannel *grpc_subchannel_ref(grpc_subchannel *c
   return c;
 }
 
-grpc_subchannel *grpc_subchannel_weak_ref(grpc_subchannel *c
-                                              GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+grpc_subchannel *grpc_subchannel_weak_ref(
+    grpc_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
   gpr_atm old_refs;
   old_refs = ref_mutate(c, 1, 0 REF_MUTATE_PURPOSE("WEAK_REF"));
   GPR_ASSERT(old_refs != 0);
@@ -296,10 +295,6 @@ void grpc_subchannel_weak_unref(grpc_exec_ctx *exec_ctx,
   }
 }
 
-static uint32_t random_seed() {
-  return (uint32_t)(gpr_time_to_millis(gpr_now(GPR_CLOCK_MONOTONIC)));
-}
-
 grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx,
                                         grpc_connector *connector,
                                         grpc_subchannel_args *args) {
@@ -331,7 +326,6 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx,
   grpc_set_initial_connect_string(&c->addr, &c->addr_len,
                                   &c->initial_connect_string);
   c->args = grpc_channel_args_copy(args->args);
-  c->random = random_seed();
   c->root_external_state_watcher.next = c->root_external_state_watcher.prev =
       &c->root_external_state_watcher;
   grpc_closure_init(&c->connected, subchannel_connected, c);
@@ -351,6 +345,25 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx,
                          c->args->args[i].value.integer,
                          c->args->args[i].value.integer);
       }
+      if (0 ==
+          strcmp(c->args->args[i].key, GRPC_ARG_MAX_RECONNECT_BACKOFF_MS)) {
+        if (c->args->args[i].type == GRPC_ARG_INTEGER) {
+          if (c->args->args[i].value.integer >= 0) {
+            gpr_backoff_init(
+                &c->backoff_state, GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER,
+                GRPC_SUBCHANNEL_RECONNECT_JITTER,
+                GPR_MIN(c->args->args[i].value.integer,
+                        GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS * 1000),
+                c->args->args[i].value.integer);
+          } else {
+            gpr_log(GPR_ERROR, GRPC_ARG_MAX_RECONNECT_BACKOFF_MS
+                    " : must be non-negative");
+          }
+        } else {
+          gpr_log(GPR_ERROR,
+                  GRPC_ARG_MAX_RECONNECT_BACKOFF_MS " : must be an integer");
+        }
+      }
     }
   }
   gpr_mu_init(&c->mu);
@@ -521,32 +534,26 @@ void grpc_connected_subchannel_ping(grpc_exec_ctx *exec_ctx,
 
 static void publish_transport_locked(grpc_exec_ctx *exec_ctx,
                                      grpc_subchannel *c) {
-  size_t channel_stack_size;
   grpc_connected_subchannel *con;
   grpc_channel_stack *stk;
-  size_t num_filters;
-  const grpc_channel_filter **filters;
   state_watcher *sw_subchannel;
 
-  /* build final filter list */
-  num_filters = c->num_filters + c->connecting_result.num_filters + 1;
-  filters = gpr_malloc(sizeof(*filters) * num_filters);
-  if (c->num_filters > 0) {
-    memcpy((void *)filters, c->filters, sizeof(*filters) * c->num_filters);
-  }
-  memcpy((void *)(filters + c->num_filters), c->connecting_result.filters,
-         sizeof(*filters) * c->connecting_result.num_filters);
-  filters[num_filters - 1] = &grpc_connected_channel_filter;
-
   /* construct channel stack */
-  channel_stack_size = grpc_channel_stack_size(filters, num_filters);
-  con = gpr_malloc(channel_stack_size);
+  grpc_channel_stack_builder *builder = grpc_channel_stack_builder_create();
+  grpc_channel_stack_builder_set_channel_arguments(
+      builder, c->connecting_result.channel_args);
+  grpc_channel_stack_builder_set_transport(builder,
+                                           c->connecting_result.transport);
+
+  if (grpc_channel_init_create_stack(exec_ctx, builder,
+                                     GRPC_CLIENT_SUBCHANNEL)) {
+    con = grpc_channel_stack_builder_finish(exec_ctx, builder, 0, 1,
+                                            connection_destroy, NULL);
+  } else {
+    grpc_channel_stack_builder_destroy(builder);
+    abort(); /* TODO(ctiller): what to do here (previously we just crashed) */
+  }
   stk = CHANNEL_STACK_FROM_CONNECTION(con);
-  grpc_channel_stack_init(exec_ctx, 1, connection_destroy, con, filters,
-                          num_filters, c->connecting_result.channel_args,
-                          "CONNECTED_SUBCHANNEL", stk);
-  grpc_connected_channel_bind_transport(stk, c->connecting_result.transport);
-  gpr_free((void *)c->connecting_result.filters);
   memset(&c->connecting_result, 0, sizeof(c->connecting_result));
 
   /* initialize state watcher */
@@ -557,9 +564,7 @@ static void publish_transport_locked(grpc_exec_ctx *exec_ctx,
                     sw_subchannel);
 
   if (c->disconnected) {
-    gpr_mu_unlock(&c->mu);
     gpr_free(sw_subchannel);
-    gpr_free((void *)filters);
     grpc_channel_stack_destroy(exec_ctx, stk);
     gpr_free(con);
     GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
@@ -575,7 +580,8 @@ static void publish_transport_locked(grpc_exec_ctx *exec_ctx,
   GPR_ASSERT(gpr_atm_rel_cas(&c->connected_subchannel, 0, (gpr_atm)con));
   c->connecting = 0;
 
-  /* setup subchannel watching connected subchannel for changes; subchannel ref
+  /* setup subchannel watching connected subchannel for changes; subchannel
+     ref
      for connecting is donated
      to the state watcher */
   GRPC_SUBCHANNEL_WEAK_REF(c, "state_watcher");
@@ -587,8 +593,6 @@ static void publish_transport_locked(grpc_exec_ctx *exec_ctx,
   /* signal completion */
   grpc_connectivity_state_set(exec_ctx, &c->state_tracker, GRPC_CHANNEL_READY,
                               "connected");
-
-  gpr_free((void *)filters);
 }
 
 static void on_alarm(grpc_exec_ctx *exec_ctx, void *arg, bool iomgr_success) {
@@ -646,8 +650,8 @@ static void subchannel_call_destroy(grpc_exec_ctx *exec_ctx, void *call,
   GPR_TIMER_END("grpc_subchannel_call_unref.destroy", 0);
 }
 
-void grpc_subchannel_call_ref(grpc_subchannel_call *c
-                                  GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+void grpc_subchannel_call_ref(
+    grpc_subchannel_call *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
   GRPC_CALL_STACK_REF(SUBCHANNEL_CALL_TO_CALL_STACK(c), REF_REASON);
 }
 
diff --git a/src/core/client_config/subchannel.h b/src/core/ext/client_config/subchannel.h
similarity index 89%
rename from src/core/client_config/subchannel.h
rename to src/core/ext/client_config/subchannel.h
index 313e63c75c83ac1a47bd05ace90cb8a00c4eb5be..0765a544e8b7070ee35d58e009aeb35fb252b417 100644
--- a/src/core/client_config/subchannel.h
+++ b/src/core/ext/client_config/subchannel.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_H
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/client_config/connector.h"
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/ext/client_config/connector.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 /** A (sub-)channel that knows how to connect to exactly one target
     address. Provides a target for load balancing. */
@@ -83,25 +83,25 @@ typedef struct grpc_subchannel_args grpc_subchannel_args;
 #define GRPC_SUBCHANNEL_REF_EXTRA_ARGS
 #endif
 
-grpc_subchannel *grpc_subchannel_ref(grpc_subchannel *channel
-                                         GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+grpc_subchannel *grpc_subchannel_ref(
+    grpc_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
 grpc_subchannel *grpc_subchannel_ref_from_weak_ref(
     grpc_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
 void grpc_subchannel_unref(grpc_exec_ctx *exec_ctx,
                            grpc_subchannel *channel
                                GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-grpc_subchannel *grpc_subchannel_weak_ref(grpc_subchannel *channel
-                                              GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+grpc_subchannel *grpc_subchannel_weak_ref(
+    grpc_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
 void grpc_subchannel_weak_unref(grpc_exec_ctx *exec_ctx,
                                 grpc_subchannel *channel
                                     GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-void grpc_connected_subchannel_ref(grpc_connected_subchannel *channel
-                                       GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+void grpc_connected_subchannel_ref(
+    grpc_connected_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
 void grpc_connected_subchannel_unref(grpc_exec_ctx *exec_ctx,
                                      grpc_connected_subchannel *channel
                                          GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-void grpc_subchannel_call_ref(grpc_subchannel_call *call
-                                  GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+void grpc_subchannel_call_ref(
+    grpc_subchannel_call *call GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
 void grpc_subchannel_call_unref(grpc_exec_ctx *exec_ctx,
                                 grpc_subchannel_call *call
                                     GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
@@ -171,4 +171,4 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx,
                                         grpc_connector *connector,
                                         grpc_subchannel_args *args);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_H */
diff --git a/src/core/channel/subchannel_call_holder.c b/src/core/ext/client_config/subchannel_call_holder.c
similarity index 96%
rename from src/core/channel/subchannel_call_holder.c
rename to src/core/ext/client_config/subchannel_call_holder.c
index 9c087dc2a1d477d30e6a56aba7c7a952790a8800..9918fbdcb4fe3e37c8aa09fbc7344c89f4746666 100644
--- a/src/core/channel/subchannel_call_holder.c
+++ b/src/core/ext/client_config/subchannel_call_holder.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,11 @@
  *
  */
 
-#include "src/core/channel/subchannel_call_holder.h"
+#include "src/core/ext/client_config/subchannel_call_holder.h"
 
 #include <grpc/support/alloc.h>
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 
 #define GET_CALL(holder) \
   ((grpc_subchannel_call *)(gpr_atm_acq_load(&(holder)->subchannel_call)))
@@ -127,7 +127,7 @@ retry:
           break;
         case GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL:
           holder->pick_subchannel(exec_ctx, holder->pick_subchannel_arg, NULL,
-                                  &holder->connected_subchannel, NULL);
+                                  0, &holder->connected_subchannel, NULL);
           break;
       }
       gpr_mu_unlock(&holder->mu);
@@ -145,7 +145,8 @@ retry:
     GRPC_CALL_STACK_REF(holder->owning_call, "pick_subchannel");
     if (holder->pick_subchannel(
             exec_ctx, holder->pick_subchannel_arg, op->send_initial_metadata,
-            &holder->connected_subchannel, &holder->next_step)) {
+            op->send_initial_metadata_flags, &holder->connected_subchannel,
+            &holder->next_step)) {
       holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
       GRPC_CALL_STACK_UNREF(exec_ctx, holder->owning_call, "pick_subchannel");
     }
@@ -251,9 +252,9 @@ char *grpc_subchannel_call_holder_get_peer(
     grpc_exec_ctx *exec_ctx, grpc_subchannel_call_holder *holder) {
   grpc_subchannel_call *subchannel_call = GET_CALL(holder);
 
-  if (subchannel_call) {
-    return grpc_subchannel_call_get_peer(exec_ctx, subchannel_call);
-  } else {
+  if (subchannel_call == NULL || subchannel_call == CANCELLED_CALL) {
     return NULL;
+  } else {
+    return grpc_subchannel_call_get_peer(exec_ctx, subchannel_call);
   }
 }
diff --git a/src/core/channel/subchannel_call_holder.h b/src/core/ext/client_config/subchannel_call_holder.h
similarity index 91%
rename from src/core/channel/subchannel_call_holder.h
rename to src/core/ext/client_config/subchannel_call_holder.h
index 9cf72c6cf76a1cb0e9284f0f2f92097e2eb33549..92999087884f64a1853a9d93fca81f7b83542fec 100644
--- a/src/core/channel/subchannel_call_holder.h
+++ b/src/core/ext/client_config/subchannel_call_holder.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_SUBCHANNEL_CALL_HOLDER_H
-#define GRPC_INTERNAL_CORE_CHANNEL_SUBCHANNEL_CALL_HOLDER_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_CALL_HOLDER_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_CALL_HOLDER_H
 
-#include "src/core/client_config/subchannel.h"
+#include "src/core/ext/client_config/subchannel.h"
 
 /** Pick a subchannel for grpc_subchannel_call_holder;
     Return 1 if subchannel is available immediately (in which case on_ready
@@ -42,6 +42,7 @@
     called when the subchannel is available) */
 typedef int (*grpc_subchannel_call_holder_pick_subchannel)(
     grpc_exec_ctx *exec_ctx, void *arg, grpc_metadata_batch *initial_metadata,
+    uint32_t initial_metadata_flags,
     grpc_connected_subchannel **connected_subchannel, grpc_closure *on_ready);
 
 typedef enum {
@@ -55,15 +56,14 @@ typedef enum {
     for initial metadata before trying to create a call object,
     and handling cancellation gracefully.
 
-    Both the channel and uchannel filter use this as their call_data. */
+    The channel filter uses this as their call_data. */
 typedef struct grpc_subchannel_call_holder {
   /** either 0 for no call, 1 for cancelled, or a pointer to a
       grpc_subchannel_call */
   gpr_atm subchannel_call;
   /** Helper function to choose the subchannel on which to create
       the call object. Channel filter delegates to the load
-      balancing policy (once it's ready); uchannel returns
-      immediately */
+      balancing policy (once it's ready). */
   grpc_subchannel_call_holder_pick_subchannel pick_subchannel;
   void *pick_subchannel_arg;
 
@@ -95,4 +95,4 @@ void grpc_subchannel_call_holder_perform_op(grpc_exec_ctx *exec_ctx,
 char *grpc_subchannel_call_holder_get_peer(grpc_exec_ctx *exec_ctx,
                                            grpc_subchannel_call_holder *holder);
 
-#endif
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_CALL_HOLDER_H */
diff --git a/src/core/client_config/subchannel_factory.c b/src/core/ext/client_config/subchannel_factory.c
similarity index 97%
rename from src/core/client_config/subchannel_factory.c
rename to src/core/ext/client_config/subchannel_factory.c
index 2c64219e8b03238c30d123c70c882eb38cf7e77c..d1e4d75a023052c771ce4242f1b2a29b13c3dff6 100644
--- a/src/core/client_config/subchannel_factory.c
+++ b/src/core/ext/client_config/subchannel_factory.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/subchannel_factory.h"
+#include "src/core/ext/client_config/subchannel_factory.h"
 
 void grpc_subchannel_factory_ref(grpc_subchannel_factory* factory) {
   factory->vtable->ref(factory);
diff --git a/src/core/client_config/subchannel_factory.h b/src/core/ext/client_config/subchannel_factory.h
similarity index 90%
rename from src/core/client_config/subchannel_factory.h
rename to src/core/ext/client_config/subchannel_factory.h
index c6d8cc90bed7f262577b2f1fe937ccd3d62ee232..0fb806d08197bbe9b4e77eb97346be6d211257b7 100644
--- a/src/core/client_config/subchannel_factory.h
+++ b/src/core/ext/client_config/subchannel_factory.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/client_config/subchannel.h"
+#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 typedef struct grpc_subchannel_factory grpc_subchannel_factory;
 typedef struct grpc_subchannel_factory_vtable grpc_subchannel_factory_vtable;
@@ -63,4 +63,4 @@ grpc_subchannel *grpc_subchannel_factory_create_subchannel(
     grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
     grpc_subchannel_args *args);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H */
diff --git a/src/core/client_config/subchannel_index.c b/src/core/ext/client_config/subchannel_index.c
similarity index 98%
rename from src/core/client_config/subchannel_index.c
rename to src/core/ext/client_config/subchannel_index.c
index 3f948998f9cae1f4f4d81ae46c2ce51ffdedcc7b..ab8d9bd91d83ab23cc952512d91feaaac6e8715a 100644
--- a/src/core/client_config/subchannel_index.c
+++ b/src/core/ext/client_config/subchannel_index.c
@@ -31,7 +31,7 @@
 //
 //
 
-#include "src/core/client_config/subchannel_index.h"
+#include "src/core/ext/client_config/subchannel_index.h"
 
 #include <stdbool.h>
 #include <string.h>
@@ -40,7 +40,7 @@
 #include <grpc/support/avl.h>
 #include <grpc/support/tls.h>
 
-#include "src/core/channel/channel_args.h"
+#include "src/core/lib/channel/channel_args.h"
 
 // a map of subchannel_key --> subchannel, used for detecting connections
 // to the same destination in order to share them
@@ -108,6 +108,7 @@ static int subchannel_key_compare(grpc_subchannel_key *a,
   if (c != 0) return c;
   c = memcmp(a->args.filters, b->args.filters,
              a->args.filter_count * sizeof(*a->args.filters));
+  if (c != 0) return c;
   return grpc_channel_args_compare(a->args.args, b->args.args);
 }
 
diff --git a/src/core/client_config/subchannel_index.h b/src/core/ext/client_config/subchannel_index.h
similarity index 92%
rename from src/core/client_config/subchannel_index.h
rename to src/core/ext/client_config/subchannel_index.h
index 095ef178194bc397fc934b6642dd9bc3b1ced054..6b8d063855e52479e1b22778cf3e17a365e736cd 100644
--- a/src/core/client_config/subchannel_index.h
+++ b/src/core/ext/client_config/subchannel_index.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_INDEX_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_INDEX_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_INDEX_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_INDEX_H
 
-#include "src/core/client_config/connector.h"
-#include "src/core/client_config/subchannel.h"
+#include "src/core/ext/client_config/connector.h"
+#include "src/core/ext/client_config/subchannel.h"
 
 /** \file Provides an index of active subchannels so that they can be
     shared amongst channels */
@@ -74,4 +74,4 @@ void grpc_subchannel_index_init(void);
 /** Shutdown the subchannel index (global) */
 void grpc_subchannel_index_shutdown(void);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_INDEX_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_INDEX_H */
diff --git a/src/core/client_config/uri_parser.c b/src/core/ext/client_config/uri_parser.c
similarity index 75%
rename from src/core/client_config/uri_parser.c
rename to src/core/ext/client_config/uri_parser.c
index cbdfffcf8e88ebf5c32944ef5d80b3ddacd2e0d4..3ca1a58e692a98eca408ca6dd4f03ba0ee32125a 100644
--- a/src/core/client_config/uri_parser.c
+++ b/src/core/ext/client_config/uri_parser.c
@@ -31,15 +31,19 @@
  *
  */
 
-#include "src/core/client_config/uri_parser.h"
+#include "src/core/ext/client_config/uri_parser.h"
 
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
+#include <grpc/support/slice.h>
+#include <grpc/support/slice_buffer.h>
 #include <grpc/support/string_util.h>
 
+#include "src/core/lib/support/string.h"
+
 /** a size_t default value... maps to all 1's */
 #define NOT_SET (~(size_t)0)
 
@@ -133,6 +137,51 @@ static int parse_fragment_or_query(const char *uri_text, size_t *i) {
   return 1;
 }
 
+static void do_nothing(void *ignored) {}
+static void parse_query_parts(grpc_uri *uri) {
+  static const char *QUERY_PARTS_SEPARATOR = "&";
+  static const char *QUERY_PARTS_VALUE_SEPARATOR = "=";
+  GPR_ASSERT(uri->query != NULL);
+  if (uri->query[0] == '\0') {
+    uri->query_parts = NULL;
+    uri->query_parts_values = NULL;
+    uri->num_query_parts = 0;
+    return;
+  }
+  gpr_slice query_slice =
+      gpr_slice_new(uri->query, strlen(uri->query), do_nothing);
+  gpr_slice_buffer query_parts; /* the &-separated elements of the query */
+  gpr_slice_buffer query_param_parts; /* the =-separated subelements */
+
+  gpr_slice_buffer_init(&query_parts);
+  gpr_slice_buffer_init(&query_param_parts);
+
+  gpr_slice_split(query_slice, QUERY_PARTS_SEPARATOR, &query_parts);
+  uri->query_parts = gpr_malloc(query_parts.count * sizeof(char *));
+  uri->query_parts_values = gpr_malloc(query_parts.count * sizeof(char *));
+  uri->num_query_parts = query_parts.count;
+  for (size_t i = 0; i < query_parts.count; i++) {
+    gpr_slice_split(query_parts.slices[i], QUERY_PARTS_VALUE_SEPARATOR,
+                    &query_param_parts);
+    GPR_ASSERT(query_param_parts.count > 0);
+    uri->query_parts[i] =
+        gpr_dump_slice(query_param_parts.slices[0], GPR_DUMP_ASCII);
+    if (query_param_parts.count > 1) {
+      /* TODO(dgq): only the first value after the separator is considered.
+       * Perhaps all chars after the first separator for the query part should
+       * be included, even if they include the separator. */
+      uri->query_parts_values[i] =
+          gpr_dump_slice(query_param_parts.slices[1], GPR_DUMP_ASCII);
+    } else {
+      uri->query_parts_values[i] = NULL;
+    }
+    gpr_slice_buffer_reset_and_unref(&query_param_parts);
+  }
+  gpr_slice_buffer_destroy(&query_parts);
+  gpr_slice_buffer_destroy(&query_param_parts);
+  gpr_slice_unref(query_slice);
+}
+
 grpc_uri *grpc_uri_parse(const char *uri_text, int suppress_errors) {
   grpc_uri *uri;
   size_t scheme_begin = 0;
@@ -227,16 +276,35 @@ grpc_uri *grpc_uri_parse(const char *uri_text, int suppress_errors) {
   uri->path = copy_component(uri_text, path_begin, path_end);
   uri->query = copy_component(uri_text, query_begin, query_end);
   uri->fragment = copy_component(uri_text, fragment_begin, fragment_end);
+  parse_query_parts(uri);
 
   return uri;
 }
 
+const char *grpc_uri_get_query_arg(const grpc_uri *uri, const char *key) {
+  GPR_ASSERT(key != NULL);
+  if (key[0] == '\0') return NULL;
+
+  for (size_t i = 0; i < uri->num_query_parts; ++i) {
+    if (0 == strcmp(key, uri->query_parts[i])) {
+      return uri->query_parts_values[i];
+    }
+  }
+  return NULL;
+}
+
 void grpc_uri_destroy(grpc_uri *uri) {
   if (!uri) return;
   gpr_free(uri->scheme);
   gpr_free(uri->authority);
   gpr_free(uri->path);
   gpr_free(uri->query);
+  for (size_t i = 0; i < uri->num_query_parts; ++i) {
+    gpr_free(uri->query_parts[i]);
+    gpr_free(uri->query_parts_values[i]);
+  }
+  gpr_free(uri->query_parts);
+  gpr_free(uri->query_parts_values);
   gpr_free(uri->fragment);
   gpr_free(uri);
 }
diff --git a/src/core/client_config/uri_parser.h b/src/core/ext/client_config/uri_parser.h
similarity index 75%
rename from src/core/client_config/uri_parser.h
rename to src/core/ext/client_config/uri_parser.h
index b8daa13bd4f66a0f39ccc210fab025851e3f026c..875a7cb07ca8036a52e503a55dca3391fc781156 100644
--- a/src/core/client_config/uri_parser.h
+++ b/src/core/ext/client_config/uri_parser.h
@@ -31,21 +31,33 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_URI_PARSER_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_URI_PARSER_H
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_URI_PARSER_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_URI_PARSER_H
+
+#include <stddef.h>
 
 typedef struct {
   char *scheme;
   char *authority;
   char *path;
   char *query;
+  /** Query substrings separated by '&' */
+  char **query_parts;
+  /** Number of elements in \a query_parts and \a query_parts_values */
+  size_t num_query_parts;
+  /** Split each query part by '='. NULL if not present. */
+  char **query_parts_values;
   char *fragment;
 } grpc_uri;
 
 /** parse a uri, return NULL on failure */
 grpc_uri *grpc_uri_parse(const char *uri_text, int suppress_errors);
 
+/** return the part of a query string after the '=' in "?key=xxx&...", or NULL
+ * if key is not present */
+const char *grpc_uri_get_query_arg(const grpc_uri *uri, const char *key);
+
 /** destroy a uri */
 void grpc_uri_destroy(grpc_uri *uri);
 
-#endif
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_URI_PARSER_H */
diff --git a/src/core/client_config/lb_policies/load_balancer_api.c b/src/core/ext/lb_policy/grpclb/load_balancer_api.c
similarity index 93%
rename from src/core/client_config/lb_policies/load_balancer_api.c
rename to src/core/ext/lb_policy/grpclb/load_balancer_api.c
index a6b5785fe4ed088eeacb0d19154facdf809760ba..459d6d9954dfdece9f56661dff841ab85271640c 100644
--- a/src/core/client_config/lb_policies/load_balancer_api.c
+++ b/src/core/ext/lb_policy/grpclb/load_balancer_api.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/lb_policies/load_balancer_api.h"
+#include "src/core/ext/lb_policy/grpclb/load_balancer_api.h"
 #include "third_party/nanopb/pb_decode.h"
 #include "third_party/nanopb/pb_encode.h"
 
@@ -110,13 +110,15 @@ grpc_grpclb_response *grpc_grpclb_response_parse(gpr_slice encoded_response) {
   grpc_grpclb_response *res = gpr_malloc(sizeof(grpc_grpclb_response));
   memset(res, 0, sizeof(*res));
   status = pb_decode(&stream, grpc_lb_v0_LoadBalanceResponse_fields, res);
-  GPR_ASSERT(status == true);
+  if (!status) {
+    grpc_grpclb_response_destroy(res);
+    return NULL;
+  }
   return res;
 }
 
 grpc_grpclb_serverlist *grpc_grpclb_response_parse_serverlist(
     gpr_slice encoded_response) {
-  grpc_grpclb_serverlist *sl = gpr_malloc(sizeof(grpc_grpclb_serverlist));
   bool status;
   decode_serverlist_arg arg;
   pb_istream_t stream =
@@ -131,15 +133,20 @@ grpc_grpclb_serverlist *grpc_grpclb_response_parse_serverlist(
   res->server_list.servers.arg = &arg;
   arg.first_pass = 1;
   status = pb_decode(&stream, grpc_lb_v0_LoadBalanceResponse_fields, res);
-  GPR_ASSERT(status == true);
-  GPR_ASSERT(arg.num_servers > 0);
+  if (!status) {
+    grpc_grpclb_response_destroy(res);
+    return NULL;
+  }
 
   arg.first_pass = 0;
   status =
       pb_decode(&stream_at_start, grpc_lb_v0_LoadBalanceResponse_fields, res);
-  GPR_ASSERT(status == true);
-  GPR_ASSERT(arg.servers != NULL);
+  if (!status) {
+    grpc_grpclb_response_destroy(res);
+    return NULL;
+  }
 
+  grpc_grpclb_serverlist *sl = gpr_malloc(sizeof(grpc_grpclb_serverlist));
   sl->num_servers = arg.num_servers;
   sl->servers = arg.servers;
   if (res->server_list.has_expiration_interval) {
@@ -150,8 +157,10 @@ grpc_grpclb_serverlist *grpc_grpclb_response_parse_serverlist(
 }
 
 void grpc_grpclb_destroy_serverlist(grpc_grpclb_serverlist *serverlist) {
-  size_t i;
-  for (i = 0; i < serverlist->num_servers; i++) {
+  if (serverlist == NULL) {
+    return;
+  }
+  for (size_t i = 0; i < serverlist->num_servers; i++) {
     gpr_free(serverlist->servers[i]);
   }
   gpr_free(serverlist->servers);
diff --git a/src/core/client_config/lb_policies/load_balancer_api.h b/src/core/ext/lb_policy/grpclb/load_balancer_api.h
similarity index 90%
rename from src/core/client_config/lb_policies/load_balancer_api.h
rename to src/core/ext/lb_policy/grpclb/load_balancer_api.h
index 4dbe1d6c224ef595fe82cf3812c25f0293ae78c9..968f7d278ae86649d29445f6acbc9cec4f0bb53c 100644
--- a/src/core/client_config/lb_policies/load_balancer_api.h
+++ b/src/core/ext/lb_policy/grpclb/load_balancer_api.h
@@ -31,13 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H
+#ifndef GRPC_CORE_EXT_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H
+#define GRPC_CORE_EXT_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H
 
 #include <grpc/support/slice_buffer.h>
 
-#include "src/core/client_config/lb_policy_factory.h"
-#include "src/core/proto/grpc/lb/v0/load_balancer.pb.h"
+#include "src/core/ext/client_config/lb_policy_factory.h"
+#include "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -82,4 +82,4 @@ void grpc_grpclb_response_destroy(grpc_grpclb_response *response);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H */
+#endif /* GRPC_CORE_EXT_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H */
diff --git a/src/core/proto/grpc/lb/v0/load_balancer.pb.c b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c
similarity index 98%
rename from src/core/proto/grpc/lb/v0/load_balancer.pb.c
rename to src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c
index 59aae30cff97c35d1b98b7bb7613199b53c725f7..97196731810e71f15122f1efd882d5b3cfdeab57 100644
--- a/src/core/proto/grpc/lb/v0/load_balancer.pb.c
+++ b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c
@@ -33,7 +33,7 @@
 /* Automatically generated nanopb constant definitions */
 /* Generated by nanopb-0.3.5-dev */
 
-#include "src/core/proto/grpc/lb/v0/load_balancer.pb.h"
+#include "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h"
 
 #if PB_PROTO_HEADER_VERSION != 30
 #error Regenerate this file with the current version of nanopb generator.
diff --git a/src/core/proto/grpc/lb/v0/load_balancer.pb.h b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h
similarity index 100%
rename from src/core/proto/grpc/lb/v0/load_balancer.pb.h
rename to src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h
diff --git a/src/core/client_config/lb_policies/pick_first.c b/src/core/ext/lb_policy/pick_first/pick_first.c
similarity index 78%
rename from src/core/client_config/lb_policies/pick_first.c
rename to src/core/ext/lb_policy/pick_first/pick_first.c
index 8ed1223d3993db84f3d900b6156163ac20f3b0f8..0d215cd1968678b696d57b1e6d0612b8b140bf8d 100644
--- a/src/core/client_config/lb_policies/pick_first.c
+++ b/src/core/ext/lb_policy/pick_first/pick_first.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,17 +31,16 @@
  *
  */
 
-#include "src/core/client_config/lb_policies/pick_first.h"
-#include "src/core/client_config/lb_policy_factory.h"
-
 #include <string.h>
 
 #include <grpc/support/alloc.h>
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 typedef struct pending_pick {
   struct pending_pick *next;
   grpc_pollset *pollset;
+  uint32_t initial_metadata_flags;
   grpc_connected_subchannel **target;
   grpc_closure *on_complete;
 } pending_pick;
@@ -78,7 +77,7 @@ typedef struct {
 #define GET_SELECTED(p) \
   ((grpc_connected_subchannel *)gpr_atm_acq_load(&(p)->selected))
 
-void pf_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
+static void pf_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
   grpc_connected_subchannel *selected = GET_SELECTED(p);
   size_t i;
@@ -95,7 +94,7 @@ void pf_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   gpr_free(p);
 }
 
-void pf_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
+static void pf_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
   pending_pick *pp;
   grpc_connected_subchannel *selected;
@@ -110,7 +109,7 @@ void pf_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   if (selected != NULL) {
     grpc_connected_subchannel_notify_on_state_change(
         exec_ctx, selected, NULL, NULL, &p->connectivity_changed);
-  } else {
+  } else if (p->num_subchannels > 0) {
     grpc_subchannel_notify_on_state_change(
         exec_ctx, p->subchannels[p->checking_subchannel], NULL, NULL,
         &p->connectivity_changed);
@@ -151,6 +150,31 @@ static void pf_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
   gpr_mu_unlock(&p->mu);
 }
 
+static void pf_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                            uint32_t initial_metadata_flags_mask,
+                            uint32_t initial_metadata_flags_eq) {
+  pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
+  pending_pick *pp;
+  gpr_mu_lock(&p->mu);
+  pp = p->pending_picks;
+  p->pending_picks = NULL;
+  while (pp != NULL) {
+    pending_pick *next = pp->next;
+    if ((pp->initial_metadata_flags & initial_metadata_flags_mask) ==
+        initial_metadata_flags_eq) {
+      grpc_pollset_set_del_pollset(exec_ctx, p->base.interested_parties,
+                                   pp->pollset);
+      grpc_exec_ctx_enqueue(exec_ctx, pp->on_complete, false, NULL);
+      gpr_free(pp);
+    } else {
+      pp->next = p->pending_picks;
+      p->pending_picks = pp;
+    }
+    pp = next;
+  }
+  gpr_mu_unlock(&p->mu);
+}
+
 static void start_picking(grpc_exec_ctx *exec_ctx, pick_first_lb_policy *p) {
   p->started_picking = 1;
   p->checking_subchannel = 0;
@@ -162,7 +186,7 @@ static void start_picking(grpc_exec_ctx *exec_ctx, pick_first_lb_policy *p) {
       &p->connectivity_changed);
 }
 
-void pf_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
+static void pf_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
   gpr_mu_lock(&p->mu);
   if (!p->started_picking) {
@@ -171,9 +195,11 @@ void pf_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   gpr_mu_unlock(&p->mu);
 }
 
-int pf_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_pollset *pollset,
-            grpc_metadata_batch *initial_metadata,
-            grpc_connected_subchannel **target, grpc_closure *on_complete) {
+static int pf_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                   grpc_pollset *pollset, grpc_metadata_batch *initial_metadata,
+                   uint32_t initial_metadata_flags,
+                   grpc_connected_subchannel **target,
+                   grpc_closure *on_complete) {
   pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
   pending_pick *pp;
 
@@ -200,6 +226,7 @@ int pf_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_pollset *pollset,
     pp->next = p->pending_picks;
     pp->pollset = pollset;
     pp->target = target;
+    pp->initial_metadata_flags = initial_metadata_flags;
     pp->on_complete = on_complete;
     p->pending_picks = pp;
     gpr_mu_unlock(&p->mu);
@@ -287,11 +314,14 @@ static void pf_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg,
             &p->checking_connectivity, &p->connectivity_changed);
         break;
       case GRPC_CHANNEL_TRANSIENT_FAILURE:
-        grpc_connectivity_state_set(exec_ctx, &p->state_tracker,
-                                    GRPC_CHANNEL_TRANSIENT_FAILURE,
-                                    "connecting_transient_failure");
         p->checking_subchannel =
             (p->checking_subchannel + 1) % p->num_subchannels;
+        if (p->checking_subchannel == 0) {
+          /* only trigger transient failure when we've tried all alternatives */
+          grpc_connectivity_state_set(exec_ctx, &p->state_tracker,
+                                      GRPC_CHANNEL_TRANSIENT_FAILURE,
+                                      "connecting_transient_failure");
+        }
         p->checking_connectivity = grpc_subchannel_check_connectivity(
             p->subchannels[p->checking_subchannel]);
         if (p->checking_connectivity == GRPC_CHANNEL_TRANSIENT_FAILURE) {
@@ -356,9 +386,10 @@ static grpc_connectivity_state pf_check_connectivity(grpc_exec_ctx *exec_ctx,
   return st;
 }
 
-void pf_notify_on_state_change(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
-                               grpc_connectivity_state *current,
-                               grpc_closure *notify) {
+static void pf_notify_on_state_change(grpc_exec_ctx *exec_ctx,
+                                      grpc_lb_policy *pol,
+                                      grpc_connectivity_state *current,
+                                      grpc_closure *notify) {
   pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
   gpr_mu_lock(&p->mu);
   grpc_connectivity_state_notify_on_state_change(exec_ctx, &p->state_tracker,
@@ -366,8 +397,8 @@ void pf_notify_on_state_change(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
   gpr_mu_unlock(&p->mu);
 }
 
-void pf_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
-                 grpc_closure *closure) {
+static void pf_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                        grpc_closure *closure) {
   pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
   grpc_connected_subchannel *selected = GET_SELECTED(p);
   if (selected) {
@@ -378,26 +409,50 @@ void pf_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
 }
 
 static const grpc_lb_policy_vtable pick_first_lb_policy_vtable = {
-    pf_destroy, pf_shutdown, pf_pick, pf_cancel_pick, pf_ping_one, pf_exit_idle,
-    pf_check_connectivity, pf_notify_on_state_change};
+    pf_destroy,     pf_shutdown,           pf_pick,
+    pf_cancel_pick, pf_cancel_picks,       pf_ping_one,
+    pf_exit_idle,   pf_check_connectivity, pf_notify_on_state_change};
 
 static void pick_first_factory_ref(grpc_lb_policy_factory *factory) {}
 
 static void pick_first_factory_unref(grpc_lb_policy_factory *factory) {}
 
-static grpc_lb_policy *create_pick_first(grpc_lb_policy_factory *factory,
+static grpc_lb_policy *create_pick_first(grpc_exec_ctx *exec_ctx,
+                                         grpc_lb_policy_factory *factory,
                                          grpc_lb_policy_args *args) {
-  if (args->num_subchannels == 0) return NULL;
+  GPR_ASSERT(args->addresses != NULL);
+  GPR_ASSERT(args->client_channel_factory != NULL);
+
+  if (args->addresses->naddrs == 0) return NULL;
+
   pick_first_lb_policy *p = gpr_malloc(sizeof(*p));
   memset(p, 0, sizeof(*p));
-  grpc_lb_policy_init(&p->base, &pick_first_lb_policy_vtable);
+
   p->subchannels =
-      gpr_malloc(sizeof(grpc_subchannel *) * args->num_subchannels);
-  p->num_subchannels = args->num_subchannels;
-  grpc_connectivity_state_init(&p->state_tracker, GRPC_CHANNEL_IDLE,
-                               "pick_first");
-  memcpy(p->subchannels, args->subchannels,
-         sizeof(grpc_subchannel *) * args->num_subchannels);
+      gpr_malloc(sizeof(grpc_subchannel *) * args->addresses->naddrs);
+  memset(p->subchannels, 0, sizeof(*p->subchannels) * args->addresses->naddrs);
+  grpc_subchannel_args sc_args;
+  size_t subchannel_idx = 0;
+  for (size_t i = 0; i < args->addresses->naddrs; i++) {
+    memset(&sc_args, 0, sizeof(grpc_subchannel_args));
+    sc_args.addr = (struct sockaddr *)(args->addresses->addrs[i].addr);
+    sc_args.addr_len = (size_t)args->addresses->addrs[i].len;
+
+    grpc_subchannel *subchannel = grpc_client_channel_factory_create_subchannel(
+        exec_ctx, args->client_channel_factory, &sc_args);
+
+    if (subchannel != NULL) {
+      p->subchannels[subchannel_idx++] = subchannel;
+    }
+  }
+  if (subchannel_idx == 0) {
+    gpr_free(p->subchannels);
+    gpr_free(p);
+    return NULL;
+  }
+  p->num_subchannels = subchannel_idx;
+
+  grpc_lb_policy_init(&p->base, &pick_first_lb_policy_vtable);
   grpc_closure_init(&p->connectivity_changed, pf_connectivity_changed, p);
   gpr_mu_init(&p->mu);
   return &p->base;
@@ -410,6 +465,14 @@ static const grpc_lb_policy_factory_vtable pick_first_factory_vtable = {
 static grpc_lb_policy_factory pick_first_lb_policy_factory = {
     &pick_first_factory_vtable};
 
-grpc_lb_policy_factory *grpc_pick_first_lb_factory_create() {
+static grpc_lb_policy_factory *pick_first_lb_factory_create() {
   return &pick_first_lb_policy_factory;
 }
+
+/* Plugin registration */
+
+void grpc_lb_policy_pick_first_init() {
+  grpc_register_lb_policy(pick_first_lb_factory_create());
+}
+
+void grpc_lb_policy_pick_first_shutdown() {}
diff --git a/src/core/client_config/lb_policies/round_robin.c b/src/core/ext/lb_policy/round_robin/round_robin.c
similarity index 83%
rename from src/core/client_config/lb_policies/round_robin.c
rename to src/core/ext/lb_policy/round_robin/round_robin.c
index 98d9acc75bfd2ea0653ea3c4e2544c505d789a09..3f6051b8925145100aaa7a80f71cca62bf11d4f4 100644
--- a/src/core/client_config/lb_policies/round_robin.c
+++ b/src/core/ext/lb_policy/round_robin/round_robin.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,13 @@
  *
  */
 
-#include "src/core/client_config/lb_policies/round_robin.h"
-
 #include <string.h>
 
 #include <grpc/support/alloc.h>
-#include "src/core/transport/connectivity_state.h"
+
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 typedef struct round_robin_lb_policy round_robin_lb_policy;
 
@@ -48,6 +49,7 @@ int grpc_lb_round_robin_trace = 0;
 typedef struct pending_pick {
   struct pending_pick *next;
   grpc_pollset *pollset;
+  uint32_t initial_metadata_flags;
   grpc_connected_subchannel **target;
   grpc_closure *on_complete;
 } pending_pick;
@@ -199,7 +201,7 @@ static void remove_disconnected_sc_locked(round_robin_lb_policy *p,
   gpr_free(node);
 }
 
-void rr_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
+static void rr_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
   size_t i;
   ready_list *elem;
@@ -226,7 +228,7 @@ void rr_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   gpr_free(p);
 }
 
-void rr_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
+static void rr_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
   pending_pick *pp;
   size_t i;
@@ -274,6 +276,32 @@ static void rr_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
   gpr_mu_unlock(&p->mu);
 }
 
+static void rr_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                            uint32_t initial_metadata_flags_mask,
+                            uint32_t initial_metadata_flags_eq) {
+  round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
+  pending_pick *pp;
+  gpr_mu_lock(&p->mu);
+  pp = p->pending_picks;
+  p->pending_picks = NULL;
+  while (pp != NULL) {
+    pending_pick *next = pp->next;
+    if ((pp->initial_metadata_flags & initial_metadata_flags_mask) ==
+        initial_metadata_flags_eq) {
+      grpc_pollset_set_del_pollset(exec_ctx, p->base.interested_parties,
+                                   pp->pollset);
+      *pp->target = NULL;
+      grpc_exec_ctx_enqueue(exec_ctx, pp->on_complete, false, NULL);
+      gpr_free(pp);
+    } else {
+      pp->next = p->pending_picks;
+      p->pending_picks = pp;
+    }
+    pp = next;
+  }
+  gpr_mu_unlock(&p->mu);
+}
+
 static void start_picking(grpc_exec_ctx *exec_ctx, round_robin_lb_policy *p) {
   size_t i;
   p->started_picking = 1;
@@ -291,7 +319,7 @@ static void start_picking(grpc_exec_ctx *exec_ctx, round_robin_lb_policy *p) {
   }
 }
 
-void rr_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
+static void rr_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
   gpr_mu_lock(&p->mu);
   if (!p->started_picking) {
@@ -300,9 +328,11 @@ void rr_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
   gpr_mu_unlock(&p->mu);
 }
 
-int rr_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_pollset *pollset,
-            grpc_metadata_batch *initial_metadata,
-            grpc_connected_subchannel **target, grpc_closure *on_complete) {
+static int rr_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                   grpc_pollset *pollset, grpc_metadata_batch *initial_metadata,
+                   uint32_t initial_metadata_flags,
+                   grpc_connected_subchannel **target,
+                   grpc_closure *on_complete) {
   round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
   pending_pick *pp;
   ready_list *selected;
@@ -328,6 +358,7 @@ int rr_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_pollset *pollset,
     pp->pollset = pollset;
     pp->target = target;
     pp->on_complete = on_complete;
+    pp->initial_metadata_flags = initial_metadata_flags;
     p->pending_picks = pp;
     gpr_mu_unlock(&p->mu);
     return 0;
@@ -483,37 +514,55 @@ static void rr_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
 }
 
 static const grpc_lb_policy_vtable round_robin_lb_policy_vtable = {
-    rr_destroy, rr_shutdown, rr_pick, rr_cancel_pick, rr_ping_one, rr_exit_idle,
-    rr_check_connectivity, rr_notify_on_state_change};
+    rr_destroy,     rr_shutdown,           rr_pick,
+    rr_cancel_pick, rr_cancel_picks,       rr_ping_one,
+    rr_exit_idle,   rr_check_connectivity, rr_notify_on_state_change};
 
 static void round_robin_factory_ref(grpc_lb_policy_factory *factory) {}
 
 static void round_robin_factory_unref(grpc_lb_policy_factory *factory) {}
 
-static grpc_lb_policy *create_round_robin(grpc_lb_policy_factory *factory,
+static grpc_lb_policy *create_round_robin(grpc_exec_ctx *exec_ctx,
+                                          grpc_lb_policy_factory *factory,
                                           grpc_lb_policy_args *args) {
-  size_t i;
+  GPR_ASSERT(args->addresses != NULL);
+  GPR_ASSERT(args->client_channel_factory != NULL);
+
   round_robin_lb_policy *p = gpr_malloc(sizeof(*p));
-  GPR_ASSERT(args->num_subchannels > 0);
   memset(p, 0, sizeof(*p));
-  grpc_lb_policy_init(&p->base, &round_robin_lb_policy_vtable);
-  p->num_subchannels = args->num_subchannels;
-  p->subchannels = gpr_malloc(sizeof(*p->subchannels) * p->num_subchannels);
-  memset(p->subchannels, 0, sizeof(*p->subchannels) * p->num_subchannels);
-  grpc_connectivity_state_init(&p->state_tracker, GRPC_CHANNEL_IDLE,
-                               "round_robin");
 
-  gpr_mu_init(&p->mu);
-  for (i = 0; i < args->num_subchannels; i++) {
-    subchannel_data *sd = gpr_malloc(sizeof(*sd));
-    memset(sd, 0, sizeof(*sd));
-    p->subchannels[i] = sd;
-    sd->policy = p;
-    sd->index = i;
-    sd->subchannel = args->subchannels[i];
-    grpc_closure_init(&sd->connectivity_changed_closure,
-                      rr_connectivity_changed, sd);
+  p->subchannels =
+      gpr_malloc(sizeof(*p->subchannels) * args->addresses->naddrs);
+  memset(p->subchannels, 0, sizeof(*p->subchannels) * args->addresses->naddrs);
+
+  grpc_subchannel_args sc_args;
+  size_t subchannel_idx = 0;
+  for (size_t i = 0; i < args->addresses->naddrs; i++) {
+    memset(&sc_args, 0, sizeof(grpc_subchannel_args));
+    sc_args.addr = (struct sockaddr *)(args->addresses->addrs[i].addr);
+    sc_args.addr_len = (size_t)args->addresses->addrs[i].len;
+
+    grpc_subchannel *subchannel = grpc_client_channel_factory_create_subchannel(
+        exec_ctx, args->client_channel_factory, &sc_args);
+
+    if (subchannel != NULL) {
+      subchannel_data *sd = gpr_malloc(sizeof(*sd));
+      memset(sd, 0, sizeof(*sd));
+      p->subchannels[subchannel_idx] = sd;
+      sd->policy = p;
+      sd->index = subchannel_idx;
+      sd->subchannel = subchannel;
+      ++subchannel_idx;
+      grpc_closure_init(&sd->connectivity_changed_closure,
+                        rr_connectivity_changed, sd);
+    }
   }
+  if (subchannel_idx == 0) {
+    gpr_free(p->subchannels);
+    gpr_free(p);
+    return NULL;
+  }
+  p->num_subchannels = subchannel_idx;
 
   /* The (dummy node) root of the ready list */
   p->ready_list.subchannel = NULL;
@@ -521,6 +570,10 @@ static grpc_lb_policy *create_round_robin(grpc_lb_policy_factory *factory,
   p->ready_list.next = NULL;
   p->ready_list_last_pick = &p->ready_list;
 
+  grpc_lb_policy_init(&p->base, &round_robin_lb_policy_vtable);
+  grpc_connectivity_state_init(&p->state_tracker, GRPC_CHANNEL_IDLE,
+                               "round_robin");
+  gpr_mu_init(&p->mu);
   return &p->base;
 }
 
@@ -531,6 +584,15 @@ static const grpc_lb_policy_factory_vtable round_robin_factory_vtable = {
 static grpc_lb_policy_factory round_robin_lb_policy_factory = {
     &round_robin_factory_vtable};
 
-grpc_lb_policy_factory *grpc_round_robin_lb_factory_create() {
+static grpc_lb_policy_factory *round_robin_lb_factory_create() {
   return &round_robin_lb_policy_factory;
 }
+
+/* Plugin registration */
+
+void grpc_lb_policy_round_robin_init() {
+  grpc_register_lb_policy(round_robin_lb_factory_create());
+  grpc_register_tracer("round_robin", &grpc_lb_round_robin_trace);
+}
+
+void grpc_lb_policy_round_robin_shutdown() {}
diff --git a/src/core/ext/resolver/dns/native/README.md b/src/core/ext/resolver/dns/native/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..695de47b9f74f20deb136710e0f477f7d0bd44b8
--- /dev/null
+++ b/src/core/ext/resolver/dns/native/README.md
@@ -0,0 +1,2 @@
+dns: scheme name resolution, using getaddrbyname
+(or other OS specific implementation)
diff --git a/src/core/client_config/resolvers/dns_resolver.c b/src/core/ext/resolver/dns/native/dns_resolver.c
similarity index 77%
rename from src/core/client_config/resolvers/dns_resolver.c
rename to src/core/ext/resolver/dns/native/dns_resolver.c
index e28e4757a107bfa01a5d53864885f06509d7114f..620ba4e2aa076fdaa1da7741300892ac6f7588fc 100644
--- a/src/core/client_config/resolvers/dns_resolver.c
+++ b/src/core/ext/resolver/dns/native/dns_resolver.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,18 +31,23 @@
  *
  */
 
-#include "src/core/client_config/resolvers/dns_resolver.h"
-
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/client_config/lb_policy_registry.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/timer.h"
-#include "src/core/support/string.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/support/backoff.h"
+#include "src/core/lib/support/string.h"
+
+#define BACKOFF_MULTIPLIER 1.6
+#define BACKOFF_JITTER 0.2
+#define BACKOFF_MIN_SECONDS 1
+#define BACKOFF_MAX_SECONDS 120
 
 typedef struct {
   /** base class: must be first */
@@ -54,7 +59,7 @@ typedef struct {
   /** default port to use */
   char *default_port;
   /** subchannel factory */
-  grpc_subchannel_factory *subchannel_factory;
+  grpc_client_channel_factory *client_channel_factory;
   /** load balancing policy name */
   char *lb_policy_name;
 
@@ -75,11 +80,14 @@ typedef struct {
   /** retry timer */
   bool have_retry_timer;
   grpc_timer retry_timer;
+  /** retry backoff state */
+  gpr_backoff backoff_state;
 } dns_resolver;
 
 static void dns_destroy(grpc_exec_ctx *exec_ctx, grpc_resolver *r);
 
-static void dns_start_resolving_locked(dns_resolver *r);
+static void dns_start_resolving_locked(grpc_exec_ctx *exec_ctx,
+                                       dns_resolver *r);
 static void dns_maybe_finish_next_locked(grpc_exec_ctx *exec_ctx,
                                          dns_resolver *r);
 
@@ -111,7 +119,8 @@ static void dns_channel_saw_error(grpc_exec_ctx *exec_ctx,
   dns_resolver *r = (dns_resolver *)resolver;
   gpr_mu_lock(&r->mu);
   if (!r->resolving) {
-    dns_start_resolving_locked(r);
+    gpr_backoff_reset(&r->backoff_state);
+    dns_start_resolving_locked(exec_ctx, r);
   }
   gpr_mu_unlock(&r->mu);
 }
@@ -125,7 +134,8 @@ static void dns_next(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver,
   r->next_completion = on_complete;
   r->target_config = target_config;
   if (r->resolved_version == 0 && !r->resolving) {
-    dns_start_resolving_locked(r);
+    gpr_backoff_reset(&r->backoff_state);
+    dns_start_resolving_locked(exec_ctx, r);
   } else {
     dns_maybe_finish_next_locked(exec_ctx, r);
   }
@@ -140,7 +150,7 @@ static void dns_on_retry_timer(grpc_exec_ctx *exec_ctx, void *arg,
   r->have_retry_timer = false;
   if (success) {
     if (!r->resolving) {
-      dns_start_resolving_locked(r);
+      dns_start_resolving_locked(exec_ctx, r);
     }
   }
   gpr_mu_unlock(&r->mu);
@@ -152,50 +162,34 @@ static void dns_on_resolved(grpc_exec_ctx *exec_ctx, void *arg,
                             grpc_resolved_addresses *addresses) {
   dns_resolver *r = arg;
   grpc_client_config *config = NULL;
-  grpc_subchannel **subchannels;
-  grpc_subchannel_args args;
   grpc_lb_policy *lb_policy;
-  size_t i;
   gpr_mu_lock(&r->mu);
   GPR_ASSERT(r->resolving);
   r->resolving = 0;
   if (addresses != NULL) {
     grpc_lb_policy_args lb_policy_args;
     config = grpc_client_config_create();
-    subchannels = gpr_malloc(sizeof(grpc_subchannel *) * addresses->naddrs);
-    size_t naddrs = 0;
-    for (i = 0; i < addresses->naddrs; i++) {
-      memset(&args, 0, sizeof(args));
-      args.addr = (struct sockaddr *)(addresses->addrs[i].addr);
-      args.addr_len = (size_t)addresses->addrs[i].len;
-      grpc_subchannel *subchannel = grpc_subchannel_factory_create_subchannel(
-          exec_ctx, r->subchannel_factory, &args);
-      if (subchannel != NULL) {
-        subchannels[naddrs++] = subchannel;
-      }
-    }
     memset(&lb_policy_args, 0, sizeof(lb_policy_args));
-    lb_policy_args.subchannels = subchannels;
-    lb_policy_args.num_subchannels = naddrs;
-    lb_policy = grpc_lb_policy_create(r->lb_policy_name, &lb_policy_args);
+    lb_policy_args.addresses = addresses;
+    lb_policy_args.client_channel_factory = r->client_channel_factory;
+    lb_policy =
+        grpc_lb_policy_create(exec_ctx, r->lb_policy_name, &lb_policy_args);
     if (lb_policy != NULL) {
       grpc_client_config_set_lb_policy(config, lb_policy);
       GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "construction");
     }
     grpc_resolved_addresses_destroy(addresses);
-    gpr_free(subchannels);
   } else {
-    int retry_seconds = 15;
-    gpr_log(GPR_DEBUG, "dns resolution failed: retrying in %d seconds",
-            retry_seconds);
+    gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC);
+    gpr_timespec next_try = gpr_backoff_step(&r->backoff_state, now);
+    gpr_timespec timeout = gpr_time_sub(next_try, now);
+    gpr_log(GPR_DEBUG, "dns resolution failed: retrying in %d.%09d seconds",
+            timeout.tv_sec, timeout.tv_nsec);
     GPR_ASSERT(!r->have_retry_timer);
     r->have_retry_timer = true;
-    gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC);
     GRPC_RESOLVER_REF(&r->base, "retry-timer");
-    grpc_timer_init(
-        exec_ctx, &r->retry_timer,
-        gpr_time_add(now, gpr_time_from_seconds(retry_seconds, GPR_TIMESPAN)),
-        dns_on_retry_timer, r, now);
+    grpc_timer_init(exec_ctx, &r->retry_timer, next_try, dns_on_retry_timer, r,
+                    now);
   }
   if (r->resolved_config) {
     grpc_client_config_unref(exec_ctx, r->resolved_config);
@@ -208,11 +202,12 @@ static void dns_on_resolved(grpc_exec_ctx *exec_ctx, void *arg,
   GRPC_RESOLVER_UNREF(exec_ctx, &r->base, "dns-resolving");
 }
 
-static void dns_start_resolving_locked(dns_resolver *r) {
+static void dns_start_resolving_locked(grpc_exec_ctx *exec_ctx,
+                                       dns_resolver *r) {
   GRPC_RESOLVER_REF(&r->base, "dns-resolving");
   GPR_ASSERT(!r->resolving);
   r->resolving = 1;
-  grpc_resolve_address(r->name, r->default_port, dns_on_resolved, r);
+  grpc_resolve_address(exec_ctx, r->name, r->default_port, dns_on_resolved, r);
 }
 
 static void dns_maybe_finish_next_locked(grpc_exec_ctx *exec_ctx,
@@ -235,7 +230,7 @@ static void dns_destroy(grpc_exec_ctx *exec_ctx, grpc_resolver *gr) {
   if (r->resolved_config) {
     grpc_client_config_unref(exec_ctx, r->resolved_config);
   }
-  grpc_subchannel_factory_unref(exec_ctx, r->subchannel_factory);
+  grpc_client_channel_factory_unref(exec_ctx, r->client_channel_factory);
   gpr_free(r->name);
   gpr_free(r->default_port);
   gpr_free(r->lb_policy_name);
@@ -262,8 +257,10 @@ static grpc_resolver *dns_create(grpc_resolver_args *args,
   grpc_resolver_init(&r->base, &dns_resolver_vtable);
   r->name = gpr_strdup(path);
   r->default_port = gpr_strdup(default_port);
-  r->subchannel_factory = args->subchannel_factory;
-  grpc_subchannel_factory_ref(r->subchannel_factory);
+  r->client_channel_factory = args->client_channel_factory;
+  gpr_backoff_init(&r->backoff_state, BACKOFF_MULTIPLIER, BACKOFF_JITTER,
+                   BACKOFF_MIN_SECONDS * 1000, BACKOFF_MAX_SECONDS * 1000);
+  grpc_client_channel_factory_ref(r->client_channel_factory);
   r->lb_policy_name = gpr_strdup(lb_policy_name);
   return &r->base;
 }
@@ -281,8 +278,8 @@ static grpc_resolver *dns_factory_create_resolver(
   return dns_create(args, "https", "pick_first");
 }
 
-char *dns_factory_get_default_host_name(grpc_resolver_factory *factory,
-                                        grpc_uri *uri) {
+static char *dns_factory_get_default_host_name(grpc_resolver_factory *factory,
+                                               grpc_uri *uri) {
   const char *path = uri->path;
   if (path[0] == '/') ++path;
   return gpr_strdup(path);
@@ -293,6 +290,12 @@ static const grpc_resolver_factory_vtable dns_factory_vtable = {
     dns_factory_get_default_host_name, "dns"};
 static grpc_resolver_factory dns_resolver_factory = {&dns_factory_vtable};
 
-grpc_resolver_factory *grpc_dns_resolver_factory_create() {
+static grpc_resolver_factory *dns_resolver_factory_create() {
   return &dns_resolver_factory;
 }
+
+void grpc_resolver_dns_native_init(void) {
+  grpc_register_resolver_type(dns_resolver_factory_create());
+}
+
+void grpc_resolver_dns_native_shutdown(void) {}
diff --git a/src/core/ext/resolver/sockaddr/README.md b/src/core/ext/resolver/sockaddr/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..e307ba88f578354dbaea5d427aa63aa1331c94f7
--- /dev/null
+++ b/src/core/ext/resolver/sockaddr/README.md
@@ -0,0 +1 @@
+Support for resolving ipv4:, ipv6:, unix: schemes
diff --git a/src/core/client_config/resolvers/sockaddr_resolver.c b/src/core/ext/resolver/sockaddr/sockaddr_resolver.c
similarity index 60%
rename from src/core/client_config/resolvers/sockaddr_resolver.c
rename to src/core/ext/resolver/sockaddr/sockaddr_resolver.c
index 68910ad975b6ab5b93d7bd7444b07dd646fd55b9..a4fa9acf2249f51d6ba36c34895f7fb4a9c61514 100644
--- a/src/core/client_config/resolvers/sockaddr_resolver.c
+++ b/src/core/ext/resolver/sockaddr/sockaddr_resolver.c
@@ -31,23 +31,21 @@
  *
  */
 
-#include <grpc/support/port_platform.h>
-
-#include "src/core/client_config/resolvers/sockaddr_resolver.h"
-
+#include <stdbool.h>
 #include <stdio.h>
 #include <string.h>
-#ifdef GPR_POSIX_SOCKET
-#include <sys/un.h>
-#endif
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
+#include <grpc/support/port_platform.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/client_config/lb_policy_registry.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/support/string.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/parse_address.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+#include "src/core/lib/support/string.h"
 
 typedef struct {
   /** base class: must be first */
@@ -55,16 +53,12 @@ typedef struct {
   /** refcount */
   gpr_refcount refs;
   /** subchannel factory */
-  grpc_subchannel_factory *subchannel_factory;
+  grpc_client_channel_factory *client_channel_factory;
   /** load balancing policy name */
   char *lb_policy_name;
 
   /** the addresses that we've 'resolved' */
-  struct sockaddr_storage *addrs;
-  /** the corresponding length of the addresses */
-  size_t *addrs_len;
-  /** how many elements in \a addrs */
-  size_t num_addrs;
+  grpc_resolved_addresses *addresses;
 
   /** mutex guarding the rest of the state */
   gpr_mu mu;
@@ -127,28 +121,14 @@ static void sockaddr_next(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver,
 
 static void sockaddr_maybe_finish_next_locked(grpc_exec_ctx *exec_ctx,
                                               sockaddr_resolver *r) {
-  grpc_client_config *cfg;
-  grpc_lb_policy *lb_policy;
-  grpc_lb_policy_args lb_policy_args;
-  grpc_subchannel **subchannels;
-  grpc_subchannel_args args;
-
   if (r->next_completion != NULL && !r->published) {
-    size_t i;
-    cfg = grpc_client_config_create();
-    subchannels = gpr_malloc(sizeof(grpc_subchannel *) * r->num_addrs);
-    for (i = 0; i < r->num_addrs; i++) {
-      memset(&args, 0, sizeof(args));
-      args.addr = (struct sockaddr *)&r->addrs[i];
-      args.addr_len = r->addrs_len[i];
-      subchannels[i] = grpc_subchannel_factory_create_subchannel(
-          exec_ctx, r->subchannel_factory, &args);
-    }
+    grpc_client_config *cfg = grpc_client_config_create();
+    grpc_lb_policy_args lb_policy_args;
     memset(&lb_policy_args, 0, sizeof(lb_policy_args));
-    lb_policy_args.subchannels = subchannels;
-    lb_policy_args.num_subchannels = r->num_addrs;
-    lb_policy = grpc_lb_policy_create(r->lb_policy_name, &lb_policy_args);
-    gpr_free(subchannels);
+    lb_policy_args.addresses = r->addresses;
+    lb_policy_args.client_channel_factory = r->client_channel_factory;
+    grpc_lb_policy *lb_policy =
+        grpc_lb_policy_create(exec_ctx, r->lb_policy_name, &lb_policy_args);
     grpc_client_config_set_lb_policy(cfg, lb_policy);
     GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "sockaddr");
     r->published = 1;
@@ -161,31 +141,12 @@ static void sockaddr_maybe_finish_next_locked(grpc_exec_ctx *exec_ctx,
 static void sockaddr_destroy(grpc_exec_ctx *exec_ctx, grpc_resolver *gr) {
   sockaddr_resolver *r = (sockaddr_resolver *)gr;
   gpr_mu_destroy(&r->mu);
-  grpc_subchannel_factory_unref(exec_ctx, r->subchannel_factory);
-  gpr_free(r->addrs);
-  gpr_free(r->addrs_len);
+  grpc_client_channel_factory_unref(exec_ctx, r->client_channel_factory);
+  grpc_resolved_addresses_destroy(r->addresses);
   gpr_free(r->lb_policy_name);
   gpr_free(r);
 }
 
-#ifdef GPR_POSIX_SOCKET
-static int parse_unix(grpc_uri *uri, struct sockaddr_storage *addr,
-                      size_t *len) {
-  struct sockaddr_un *un = (struct sockaddr_un *)addr;
-
-  un->sun_family = AF_UNIX;
-  strcpy(un->sun_path, uri->path);
-  *len = strlen(un->sun_path) + sizeof(un->sun_family) + 1;
-
-  return 1;
-}
-
-static char *unix_get_default_authority(grpc_resolver_factory *factory,
-                                        grpc_uri *uri) {
-  return gpr_strdup("localhost");
-}
-#endif
-
 static char *ip_get_default_authority(grpc_uri *uri) {
   const char *path = uri->path;
   if (path[0] == '/') ++path;
@@ -202,94 +163,18 @@ static char *ipv6_get_default_authority(grpc_resolver_factory *factory,
   return ip_get_default_authority(uri);
 }
 
-static int parse_ipv4(grpc_uri *uri, struct sockaddr_storage *addr,
-                      size_t *len) {
-  const char *host_port = uri->path;
-  char *host;
-  char *port;
-  int port_num;
-  int result = 0;
-  struct sockaddr_in *in = (struct sockaddr_in *)addr;
-
-  if (*host_port == '/') ++host_port;
-  if (!gpr_split_host_port(host_port, &host, &port)) {
-    return 0;
-  }
-
-  memset(in, 0, sizeof(*in));
-  *len = sizeof(*in);
-  in->sin_family = AF_INET;
-  if (inet_pton(AF_INET, host, &in->sin_addr) == 0) {
-    gpr_log(GPR_ERROR, "invalid ipv4 address: '%s'", host);
-    goto done;
-  }
-
-  if (port != NULL) {
-    if (sscanf(port, "%d", &port_num) != 1 || port_num < 0 ||
-        port_num > 65535) {
-      gpr_log(GPR_ERROR, "invalid ipv4 port: '%s'", port);
-      goto done;
-    }
-    in->sin_port = htons((uint16_t)port_num);
-  } else {
-    gpr_log(GPR_ERROR, "no port given for ipv4 scheme");
-    goto done;
-  }
-
-  result = 1;
-done:
-  gpr_free(host);
-  gpr_free(port);
-  return result;
-}
-
-static int parse_ipv6(grpc_uri *uri, struct sockaddr_storage *addr,
-                      size_t *len) {
-  const char *host_port = uri->path;
-  char *host;
-  char *port;
-  int port_num;
-  int result = 0;
-  struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)addr;
-
-  if (*host_port == '/') ++host_port;
-  if (!gpr_split_host_port(host_port, &host, &port)) {
-    return 0;
-  }
-
-  memset(in6, 0, sizeof(*in6));
-  *len = sizeof(*in6);
-  in6->sin6_family = AF_INET6;
-  if (inet_pton(AF_INET6, host, &in6->sin6_addr) == 0) {
-    gpr_log(GPR_ERROR, "invalid ipv6 address: '%s'", host);
-    goto done;
-  }
-
-  if (port != NULL) {
-    if (sscanf(port, "%d", &port_num) != 1 || port_num < 0 ||
-        port_num > 65535) {
-      gpr_log(GPR_ERROR, "invalid ipv6 port: '%s'", port);
-      goto done;
-    }
-    in6->sin6_port = htons((uint16_t)port_num);
-  } else {
-    gpr_log(GPR_ERROR, "no port given for ipv6 scheme");
-    goto done;
-  }
-
-  result = 1;
-done:
-  gpr_free(host);
-  gpr_free(port);
-  return result;
+#ifdef GPR_HAVE_UNIX_SOCKET
+char *unix_get_default_authority(grpc_resolver_factory *factory,
+                                 grpc_uri *uri) {
+  return gpr_strdup("localhost");
 }
+#endif
 
 static void do_nothing(void *ignored) {}
 
 static grpc_resolver *sockaddr_create(
     grpc_resolver_args *args, const char *default_lb_policy_name,
     int parse(grpc_uri *uri, struct sockaddr_storage *dst, size_t *len)) {
-  size_t i;
   int errors_found = 0; /* GPR_FALSE */
   sockaddr_resolver *r;
   gpr_slice path_slice;
@@ -304,22 +189,24 @@ static grpc_resolver *sockaddr_create(
   r = gpr_malloc(sizeof(sockaddr_resolver));
   memset(r, 0, sizeof(*r));
 
-  r->lb_policy_name = NULL;
-  if (0 != strcmp(args->uri->query, "")) {
-    gpr_slice query_slice;
-    gpr_slice_buffer query_parts;
-
-    query_slice =
-        gpr_slice_new(args->uri->query, strlen(args->uri->query), do_nothing);
-    gpr_slice_buffer_init(&query_parts);
-    gpr_slice_split(query_slice, "=", &query_parts);
-    GPR_ASSERT(query_parts.count == 2);
-    if (0 == gpr_slice_str_cmp(query_parts.slices[0], "lb_policy")) {
-      r->lb_policy_name = gpr_dump_slice(query_parts.slices[1], GPR_DUMP_ASCII);
-    }
-    gpr_slice_buffer_destroy(&query_parts);
-    gpr_slice_unref(query_slice);
+  r->lb_policy_name =
+      gpr_strdup(grpc_uri_get_query_arg(args->uri, "lb_policy"));
+  const char *lb_enabled_qpart =
+      grpc_uri_get_query_arg(args->uri, "lb_enabled");
+  /* anything other than "0" is interpreted as true */
+  const bool lb_enabled =
+      (lb_enabled_qpart != NULL && (strcmp("0", lb_enabled_qpart) != 0));
+
+  if (r->lb_policy_name != NULL && strcmp("grpclb", r->lb_policy_name) == 0 &&
+      !lb_enabled) {
+    /* we want grpclb but the "resolved" addresses aren't LB enabled. Bail
+     * out, as this is meant mostly for tests. */
+    gpr_log(GPR_ERROR,
+            "Requested 'grpclb' LB policy but resolved addresses don't "
+            "support load balancing.");
+    abort();
   }
+
   if (r->lb_policy_name == NULL) {
     r->lb_policy_name = gpr_strdup(default_lb_policy_name);
   }
@@ -329,15 +216,18 @@ static grpc_resolver *sockaddr_create(
   gpr_slice_buffer_init(&path_parts);
 
   gpr_slice_split(path_slice, ",", &path_parts);
-  r->num_addrs = path_parts.count;
-  r->addrs = gpr_malloc(sizeof(struct sockaddr_storage) * r->num_addrs);
-  r->addrs_len = gpr_malloc(sizeof(*r->addrs_len) * r->num_addrs);
+  r->addresses = gpr_malloc(sizeof(grpc_resolved_addresses));
+  r->addresses->naddrs = path_parts.count;
+  r->addresses->addrs =
+      gpr_malloc(sizeof(grpc_resolved_address) * r->addresses->naddrs);
 
-  for (i = 0; i < r->num_addrs; i++) {
+  for (size_t i = 0; i < r->addresses->naddrs; i++) {
     grpc_uri ith_uri = *args->uri;
     char *part_str = gpr_dump_slice(path_parts.slices[i], GPR_DUMP_ASCII);
     ith_uri.path = part_str;
-    if (!parse(&ith_uri, &r->addrs[i], &r->addrs_len[i])) {
+    if (!parse(&ith_uri,
+               (struct sockaddr_storage *)(&r->addresses->addrs[i].addr),
+               &r->addresses->addrs[i].len)) {
       errors_found = 1; /* GPR_TRUE */
     }
     gpr_free(part_str);
@@ -348,8 +238,7 @@ static grpc_resolver *sockaddr_create(
   gpr_slice_unref(path_slice);
   if (errors_found) {
     gpr_free(r->lb_policy_name);
-    gpr_free(r->addrs);
-    gpr_free(r->addrs_len);
+    grpc_resolved_addresses_destroy(r->addresses);
     gpr_free(r);
     return NULL;
   }
@@ -357,8 +246,8 @@ static grpc_resolver *sockaddr_create(
   gpr_ref_init(&r->refs, 1);
   gpr_mu_init(&r->mu);
   grpc_resolver_init(&r->base, &sockaddr_resolver_vtable);
-  r->subchannel_factory = args->subchannel_factory;
-  grpc_subchannel_factory_ref(r->subchannel_factory);
+  r->client_channel_factory = args->client_channel_factory;
+  grpc_client_channel_factory_ref(r->client_channel_factory);
 
   return &r->base;
 }
@@ -380,12 +269,20 @@ static void sockaddr_factory_unref(grpc_resolver_factory *factory) {}
       sockaddr_factory_ref, sockaddr_factory_unref,                         \
       name##_factory_create_resolver, name##_get_default_authority, #name}; \
   static grpc_resolver_factory name##_resolver_factory = {                  \
-      &name##_factory_vtable};                                              \
-  grpc_resolver_factory *grpc_##name##_resolver_factory_create() {          \
-    return &name##_resolver_factory;                                        \
-  }
+      &name##_factory_vtable}
 
-#ifdef GPR_POSIX_SOCKET
-DECL_FACTORY(unix)
+#ifdef GPR_HAVE_UNIX_SOCKET
+DECL_FACTORY(unix);
+#endif
+DECL_FACTORY(ipv4);
+DECL_FACTORY(ipv6);
+
+void grpc_resolver_sockaddr_init(void) {
+  grpc_register_resolver_type(&ipv4_resolver_factory);
+  grpc_register_resolver_type(&ipv6_resolver_factory);
+#ifdef GPR_HAVE_UNIX_SOCKET
+  grpc_register_resolver_type(&unix_resolver_factory);
 #endif
-DECL_FACTORY(ipv4) DECL_FACTORY(ipv6)
+}
+
+void grpc_resolver_sockaddr_shutdown(void) {}
diff --git a/src/core/ext/resolver/zookeeper/README.md b/src/core/ext/resolver/zookeeper/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..ce6f39683bb56ab255a5e72e9eb87e453f13b57e
--- /dev/null
+++ b/src/core/ext/resolver/zookeeper/README.md
@@ -0,0 +1 @@
+Zookeeper based name resolver: WIP
diff --git a/src/core/client_config/resolvers/zookeeper_resolver.c b/src/core/ext/resolver/zookeeper/zookeeper_resolver.c
similarity index 90%
rename from src/core/client_config/resolvers/zookeeper_resolver.c
rename to src/core/ext/resolver/zookeeper/zookeeper_resolver.c
index 166738e768e6e21e15a49489faf61315d6c28a2b..deb4b9b1ef1380667d2912c2d21b71eec51feb9f 100644
--- a/src/core/client_config/resolvers/zookeeper_resolver.c
+++ b/src/core/ext/resolver/zookeeper/zookeeper_resolver.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,6 @@
  *
  */
 
-#include "src/core/client_config/resolvers/zookeeper_resolver.h"
-
 #include <string.h>
 
 #include <grpc/support/alloc.h>
@@ -41,12 +39,12 @@
 #include <grpc/grpc_zookeeper.h>
 #include <zookeeper/zookeeper.h>
 
-#include "src/core/client_config/lb_policy_registry.h"
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/json/json.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/json/json.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
 
 /** Zookeeper session expiration time in milliseconds */
 #define GRPC_ZOOKEEPER_SESSION_TIMEOUT 15000
@@ -59,7 +57,7 @@ typedef struct {
   /** name to resolve */
   char *name;
   /** subchannel factory */
-  grpc_subchannel_factory *subchannel_factory;
+  grpc_client_channel_factory *client_channel_factory;
   /** load balancing policy name */
   char *lb_policy_name;
 
@@ -184,28 +182,21 @@ static void zookeeper_on_resolved(grpc_exec_ctx *exec_ctx, void *arg,
                                   grpc_resolved_addresses *addresses) {
   zookeeper_resolver *r = arg;
   grpc_client_config *config = NULL;
-  grpc_subchannel **subchannels;
-  grpc_subchannel_args args;
   grpc_lb_policy *lb_policy;
-  size_t i;
+
   if (addresses != NULL) {
     grpc_lb_policy_args lb_policy_args;
     config = grpc_client_config_create();
-    subchannels = gpr_malloc(sizeof(grpc_subchannel *) * addresses->naddrs);
-    for (i = 0; i < addresses->naddrs; i++) {
-      memset(&args, 0, sizeof(args));
-      args.addr = (struct sockaddr *)(addresses->addrs[i].addr);
-      args.addr_len = addresses->addrs[i].len;
-      subchannels[i] = grpc_subchannel_factory_create_subchannel(
-          exec_ctx, r->subchannel_factory, &args);
+    lb_policy_args.addresses = addresses;
+    lb_policy_args.client_channel_factory = r->client_channel_factory;
+    lb_policy =
+        grpc_lb_policy_create(exec_ctx, r->lb_policy_name, &lb_policy_args);
+
+    if (lb_policy != NULL) {
+      grpc_client_config_set_lb_policy(config, lb_policy);
+      GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "construction");
     }
-    lb_policy_args.subchannels = subchannels;
-    lb_policy_args.num_subchannels = addresses->naddrs;
-    lb_policy = grpc_lb_policy_create(r->lb_policy_name, &lb_policy_args);
-    grpc_client_config_set_lb_policy(config, lb_policy);
-    GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "construction");
     grpc_resolved_addresses_destroy(addresses);
-    gpr_free(subchannels);
   }
   gpr_mu_lock(&r->mu);
   GPR_ASSERT(r->resolving == 1);
@@ -308,7 +299,7 @@ static void zookeeper_get_children_node_completion(int rc, const char *value,
   address = zookeeper_parse_address(value, (size_t)value_len);
   if (address != NULL) {
     /** Further resolves address by DNS */
-    grpc_resolve_address(address, NULL, zookeeper_dns_resolved, r);
+    grpc_resolve_address(&exec_ctx, address, NULL, zookeeper_dns_resolved, r);
     gpr_free(address);
   } else {
     gpr_log(GPR_ERROR, "Error in resolving a child node of %s", r->name);
@@ -384,8 +375,10 @@ static void zookeeper_get_node_completion(int rc, const char *value,
     r->resolved_addrs->naddrs = 0;
     r->resolved_total = 1;
     /** Further resolves address by DNS */
-    grpc_resolve_address(address, NULL, zookeeper_dns_resolved, r);
+    grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+    grpc_resolve_address(&exec_ctx, address, NULL, zookeeper_dns_resolved, r);
     gpr_free(address);
+    grpc_exec_ctx_finish(&exec_ctx);
     return;
   }
 
@@ -432,7 +425,7 @@ static void zookeeper_destroy(grpc_exec_ctx *exec_ctx, grpc_resolver *gr) {
   if (r->resolved_config != NULL) {
     grpc_client_config_unref(exec_ctx, r->resolved_config);
   }
-  grpc_subchannel_factory_unref(exec_ctx, r->subchannel_factory);
+  grpc_client_channel_factory_unref(exec_ctx, r->client_channel_factory);
   gpr_free(r->name);
   gpr_free(r->lb_policy_name);
   gpr_free(r);
@@ -462,8 +455,8 @@ static grpc_resolver *zookeeper_create(grpc_resolver_args *args,
   grpc_resolver_init(&r->base, &zookeeper_resolver_vtable);
   r->name = gpr_strdup(path);
 
-  r->subchannel_factory = args->subchannel_factory;
-  grpc_subchannel_factory_ref(r->subchannel_factory);
+  r->client_channel_factory = args->client_channel_factory;
+  grpc_client_channel_factory_ref(r->client_channel_factory);
 
   r->lb_policy_name = gpr_strdup(lb_policy_name);
 
@@ -480,15 +473,6 @@ static grpc_resolver *zookeeper_create(grpc_resolver_args *args,
   return &r->base;
 }
 
-static void zookeeper_plugin_init() {
-  grpc_register_resolver_type(grpc_zookeeper_resolver_factory_create());
-}
-
-void grpc_zookeeper_register() {
-  GRPC_API_TRACE("grpc_zookeeper_register(void)", 0, ());
-  grpc_register_plugin(zookeeper_plugin_init, NULL);
-}
-
 /*
  * FACTORY
  */
@@ -515,6 +499,15 @@ static const grpc_resolver_factory_vtable zookeeper_factory_vtable = {
 static grpc_resolver_factory zookeeper_resolver_factory = {
     &zookeeper_factory_vtable};
 
-grpc_resolver_factory *grpc_zookeeper_resolver_factory_create() {
+static grpc_resolver_factory *zookeeper_resolver_factory_create() {
   return &zookeeper_resolver_factory;
 }
+
+static void zookeeper_plugin_init() {
+  grpc_register_resolver_type(zookeeper_resolver_factory_create());
+}
+
+void grpc_zookeeper_register() {
+  GRPC_API_TRACE("grpc_zookeeper_register(void)", 0, ());
+  grpc_register_plugin(zookeeper_plugin_init, NULL);
+}
diff --git a/src/core/transport/chttp2/alpn.c b/src/core/ext/transport/chttp2/alpn/alpn.c
similarity index 97%
rename from src/core/transport/chttp2/alpn.c
rename to src/core/ext/transport/chttp2/alpn/alpn.c
index 69da4e6718e638415c6886522d9e668367c666c0..48b02172651f52960d94d43537c72cf9d8acd418 100644
--- a/src/core/transport/chttp2/alpn.c
+++ b/src/core/ext/transport/chttp2/alpn/alpn.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/alpn.h"
+#include "src/core/ext/transport/chttp2/alpn/alpn.h"
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
diff --git a/src/core/transport/chttp2/alpn.h b/src/core/ext/transport/chttp2/alpn/alpn.h
similarity index 92%
rename from src/core/transport/chttp2/alpn.h
rename to src/core/ext/transport/chttp2/alpn/alpn.h
index f38b4c3167e0ededf9c4353e4eaf34cfc92af916..1316770f111441f467057447a58514377de5ac0b 100644
--- a/src/core/transport/chttp2/alpn.h
+++ b/src/core/ext/transport/chttp2/alpn/alpn.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_ALPN_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_ALPN_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_ALPN_ALPN_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_ALPN_ALPN_H
 
 #include <string.h>
 
@@ -46,4 +46,4 @@ size_t grpc_chttp2_num_alpn_versions(void);
  * grpc_chttp2_num_alpn_versions()) */
 const char *grpc_chttp2_get_alpn_version_index(size_t i);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_ALPN_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_ALPN_ALPN_H */
diff --git a/src/core/ext/transport/chttp2/client/insecure/README.md b/src/core/ext/transport/chttp2/client/insecure/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..fa114633889c8d33204578a6d6bdb7dabd26e77d
--- /dev/null
+++ b/src/core/ext/transport/chttp2/client/insecure/README.md
@@ -0,0 +1 @@
+Plugin for creating insecure channels using chttp2
diff --git a/src/core/surface/channel_create.c b/src/core/ext/transport/chttp2/client/insecure/channel_create.c
similarity index 66%
rename from src/core/surface/channel_create.c
rename to src/core/ext/transport/chttp2/client/insecure/channel_create.c
index fd7e20e9cce3ae9eb861e26af8d4b3e6ac88867f..c5d3d8d9cc88ac6f5aa196206c7ddf530996f6aa 100644
--- a/src/core/surface/channel_create.c
+++ b/src/core/ext/transport/chttp2/client/insecure/channel_create.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,16 +40,15 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
 
-#include "src/core/census/grpc_filter.h"
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/iomgr/tcp_client.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/channel.h"
-#include "src/core/transport/chttp2_transport.h"
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/iomgr/tcp_client.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/channel.h"
 
 typedef struct {
   grpc_connector base;
@@ -105,9 +104,6 @@ static void connected(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
                                         0);
     GPR_ASSERT(c->result->transport);
     c->result->channel_args = c->args.channel_args;
-    c->result->filters = gpr_malloc(sizeof(grpc_channel_filter *));
-    c->result->filters[0] = &grpc_http_client_filter;
-    c->result->num_filters = 1;
   } else {
     memset(c->result, 0, sizeof(*c->result));
   }
@@ -139,31 +135,35 @@ static const grpc_connector_vtable connector_vtable = {
     connector_ref, connector_unref, connector_shutdown, connector_connect};
 
 typedef struct {
-  grpc_subchannel_factory base;
+  grpc_client_channel_factory base;
   gpr_refcount refs;
   grpc_channel_args *merge_args;
   grpc_channel *master;
-} subchannel_factory;
+} client_channel_factory;
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+static void client_channel_factory_ref(
+    grpc_client_channel_factory *cc_factory) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   gpr_ref(&f->refs);
 }
 
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+static void client_channel_factory_unref(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   if (gpr_unref(&f->refs)) {
-    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master, "subchannel_factory");
+    if (f->master != NULL) {
+      GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master,
+                                  "client_channel_factory");
+    }
     grpc_channel_args_destroy(f->merge_args);
     gpr_free(f);
   }
 }
 
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *scf,
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
     grpc_subchannel_args *args) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   connector *c = gpr_malloc(sizeof(*c));
   grpc_channel_args *final_args =
       grpc_channel_args_merge(args->args, f->merge_args);
@@ -178,9 +178,33 @@ static grpc_subchannel *subchannel_factory_create_subchannel(
   return s;
 }
 
-static const grpc_subchannel_factory_vtable subchannel_factory_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
+  grpc_channel_args *final_args = grpc_channel_args_merge(args, f->merge_args);
+  grpc_channel *channel = grpc_channel_create(exec_ctx, target, final_args,
+                                              GRPC_CLIENT_CHANNEL, NULL);
+  grpc_channel_args_destroy(final_args);
+  grpc_resolver *resolver = grpc_resolver_create(target, &f->base);
+  if (!resolver) {
+    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel,
+                                "client_channel_factory_create_channel");
+    return NULL;
+  }
+
+  grpc_client_channel_set_resolver(
+      exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
+  GRPC_RESOLVER_UNREF(exec_ctx, resolver, "create_channel");
+
+  return channel;
+}
+
+static const grpc_client_channel_factory_vtable client_channel_factory_vtable =
+    {client_channel_factory_ref, client_channel_factory_unref,
+     client_channel_factory_create_subchannel,
+     client_channel_factory_create_channel};
 
 /* Create a client channel:
    Asynchronously: - resolve target
@@ -189,47 +213,29 @@ static const grpc_subchannel_factory_vtable subchannel_factory_vtable = {
 grpc_channel *grpc_insecure_channel_create(const char *target,
                                            const grpc_channel_args *args,
                                            void *reserved) {
-  grpc_channel *channel = NULL;
-#define MAX_FILTERS 3
-  const grpc_channel_filter *filters[MAX_FILTERS];
-  grpc_resolver *resolver;
-  subchannel_factory *f;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  size_t n = 0;
   GRPC_API_TRACE(
       "grpc_insecure_channel_create(target=%p, args=%p, reserved=%p)", 3,
       (target, args, reserved));
   GPR_ASSERT(!reserved);
-  if (grpc_channel_args_is_census_enabled(args)) {
-    filters[n++] = &grpc_client_census_filter;
-  }
-  filters[n++] = &grpc_compress_filter;
-  filters[n++] = &grpc_client_channel_filter;
-  GPR_ASSERT(n <= MAX_FILTERS);
-
-  channel =
-      grpc_channel_create_from_filters(&exec_ctx, target, filters, n, args, 1);
 
-  f = gpr_malloc(sizeof(*f));
-  f->base.vtable = &subchannel_factory_vtable;
+  client_channel_factory *f = gpr_malloc(sizeof(*f));
+  memset(f, 0, sizeof(*f));
+  f->base.vtable = &client_channel_factory_vtable;
   gpr_ref_init(&f->refs, 1);
   f->merge_args = grpc_channel_args_copy(args);
-  f->master = channel;
-  GRPC_CHANNEL_INTERNAL_REF(f->master, "subchannel_factory");
-  resolver = grpc_resolver_create(target, &f->base);
-  if (!resolver) {
-    GRPC_CHANNEL_INTERNAL_UNREF(&exec_ctx, f->master, "subchannel_factory");
-    grpc_subchannel_factory_unref(&exec_ctx, &f->base);
-    grpc_exec_ctx_finish(&exec_ctx);
-    return NULL;
-  }
 
-  grpc_client_channel_set_resolver(
-      &exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
-  GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "create");
-  grpc_subchannel_factory_unref(&exec_ctx, &f->base);
+  grpc_channel *channel = client_channel_factory_create_channel(
+      &exec_ctx, &f->base, target, GRPC_CLIENT_CHANNEL_TYPE_REGULAR, NULL);
+  if (channel != NULL) {
+    f->master = channel;
+    GRPC_CHANNEL_INTERNAL_REF(f->master, "grpc_insecure_channel_create");
+  }
+  grpc_client_channel_factory_unref(&exec_ctx, &f->base);
 
   grpc_exec_ctx_finish(&exec_ctx);
 
-  return channel;
+  return channel != NULL ? channel : grpc_lame_client_channel_create(
+                                         target, GRPC_STATUS_INTERNAL,
+                                         "Failed to create client channel");
 }
diff --git a/src/core/ext/transport/chttp2/client/secure/README.md b/src/core/ext/transport/chttp2/client/secure/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..405a86e5db1ed5e05198da5d9570a4fac85c90aa
--- /dev/null
+++ b/src/core/ext/transport/chttp2/client/secure/README.md
@@ -0,0 +1 @@
+Plugin for creating secure channels using chttp2
diff --git a/src/core/surface/secure_channel_create.c b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
similarity index 73%
rename from src/core/surface/secure_channel_create.c
rename to src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
index aadfac4c91f6367b18177696399ec41649f7061a..58af6f995a4dc1da5465299e03790674f3c3ebf2 100644
--- a/src/core/surface/secure_channel_create.c
+++ b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,20 +40,17 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
 
-#include "src/core/census/grpc_filter.h"
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/iomgr/tcp_client.h"
-#include "src/core/security/auth_filters.h"
-#include "src/core/security/credentials.h"
-#include "src/core/security/security_context.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/channel.h"
-#include "src/core/transport/chttp2_transport.h"
-#include "src/core/tsi/transport_security_interface.h"
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/iomgr/tcp_client.h"
+#include "src/core/lib/security/auth_filters.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/tsi/transport_security_interface.h"
 
 typedef struct {
   grpc_connector base;
@@ -115,10 +112,6 @@ static void on_secure_handshake_done(grpc_exec_ctx *exec_ctx, void *arg,
     args_copy = grpc_channel_args_copy_and_add(c->args.channel_args,
                                                &auth_context_arg, 1);
     c->result->channel_args = args_copy;
-    c->result->filters = gpr_malloc(sizeof(grpc_channel_filter *) * 2);
-    c->result->filters[0] = &grpc_http_client_filter;
-    c->result->filters[1] = &grpc_client_auth_filter;
-    c->result->num_filters = 2;
   }
   notify = c->notify;
   c->notify = NULL;
@@ -199,34 +192,38 @@ static const grpc_connector_vtable connector_vtable = {
     connector_ref, connector_unref, connector_shutdown, connector_connect};
 
 typedef struct {
-  grpc_subchannel_factory base;
+  grpc_client_channel_factory base;
   gpr_refcount refs;
   grpc_channel_args *merge_args;
   grpc_channel_security_connector *security_connector;
   grpc_channel *master;
-} subchannel_factory;
+} client_channel_factory;
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+static void client_channel_factory_ref(
+    grpc_client_channel_factory *cc_factory) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   gpr_ref(&f->refs);
 }
 
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+static void client_channel_factory_unref(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   if (gpr_unref(&f->refs)) {
     GRPC_SECURITY_CONNECTOR_UNREF(&f->security_connector->base,
-                                  "subchannel_factory");
-    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master, "subchannel_factory");
+                                  "client_channel_factory");
+    if (f->master != NULL) {
+      GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master,
+                                  "client_channel_factory");
+    }
     grpc_channel_args_destroy(f->merge_args);
     gpr_free(f);
   }
 }
 
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *scf,
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
     grpc_subchannel_args *args) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   connector *c = gpr_malloc(sizeof(*c));
   grpc_channel_args *final_args =
       grpc_channel_args_merge(args->args, f->merge_args);
@@ -243,9 +240,37 @@ static grpc_subchannel *subchannel_factory_create_subchannel(
   return s;
 }
 
-static const grpc_subchannel_factory_vtable subchannel_factory_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
+
+  grpc_channel_args *final_args = grpc_channel_args_merge(args, f->merge_args);
+  grpc_channel *channel = grpc_channel_create(exec_ctx, target, final_args,
+                                              GRPC_CLIENT_CHANNEL, NULL);
+  grpc_channel_args_destroy(final_args);
+
+  grpc_resolver *resolver = grpc_resolver_create(target, &f->base);
+  if (resolver != NULL) {
+    grpc_client_channel_set_resolver(
+        exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
+    GRPC_RESOLVER_UNREF(exec_ctx, resolver, "create");
+  } else {
+    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel,
+                                "client_channel_factory_create_channel");
+    channel = NULL;
+  }
+
+  GRPC_SECURITY_CONNECTOR_UNREF(&f->security_connector->base,
+                                "client_channel_factory_create_channel");
+  return channel;
+}
+
+static const grpc_client_channel_factory_vtable client_channel_factory_vtable =
+    {client_channel_factory_ref, client_channel_factory_unref,
+     client_channel_factory_create_subchannel,
+     client_channel_factory_create_channel};
 
 /* Create a secure client channel:
    Asynchronously: - resolve target
@@ -255,17 +280,12 @@ grpc_channel *grpc_secure_channel_create(grpc_channel_credentials *creds,
                                          const char *target,
                                          const grpc_channel_args *args,
                                          void *reserved) {
-  grpc_channel *channel;
   grpc_arg connector_arg;
   grpc_channel_args *args_copy;
   grpc_channel_args *new_args_from_connector;
   grpc_channel_security_connector *security_connector;
-  grpc_resolver *resolver;
-  subchannel_factory *f;
-#define MAX_FILTERS 3
-  const grpc_channel_filter *filters[MAX_FILTERS];
+  client_channel_factory *f;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  size_t n = 0;
 
   GRPC_API_TRACE(
       "grpc_secure_channel_create(creds=%p, target=%s, args=%p, "
@@ -277,7 +297,7 @@ grpc_channel *grpc_secure_channel_create(grpc_channel_credentials *creds,
     gpr_log(GPR_ERROR, "Cannot set security context in channel args.");
     grpc_exec_ctx_finish(&exec_ctx);
     return grpc_lame_client_channel_create(
-        target, GRPC_STATUS_INVALID_ARGUMENT,
+        target, GRPC_STATUS_INTERNAL,
         "Security connector exists in channel args.");
   }
 
@@ -286,50 +306,38 @@ grpc_channel *grpc_secure_channel_create(grpc_channel_credentials *creds,
       GRPC_SECURITY_OK) {
     grpc_exec_ctx_finish(&exec_ctx);
     return grpc_lame_client_channel_create(
-        target, GRPC_STATUS_INVALID_ARGUMENT,
-        "Failed to create security connector.");
+        target, GRPC_STATUS_INTERNAL, "Failed to create security connector.");
   }
 
   connector_arg = grpc_security_connector_to_arg(&security_connector->base);
   args_copy = grpc_channel_args_copy_and_add(
       new_args_from_connector != NULL ? new_args_from_connector : args,
       &connector_arg, 1);
-  if (grpc_channel_args_is_census_enabled(args)) {
-    filters[n++] = &grpc_client_census_filter;
-  }
-  filters[n++] = &grpc_compress_filter;
-  filters[n++] = &grpc_client_channel_filter;
-  GPR_ASSERT(n <= MAX_FILTERS);
-
-  channel = grpc_channel_create_from_filters(&exec_ctx, target, filters, n,
-                                             args_copy, 1);
 
   f = gpr_malloc(sizeof(*f));
-  f->base.vtable = &subchannel_factory_vtable;
+  memset(f, 0, sizeof(*f));
+  f->base.vtable = &client_channel_factory_vtable;
   gpr_ref_init(&f->refs, 1);
-  GRPC_SECURITY_CONNECTOR_REF(&security_connector->base, "subchannel_factory");
-  f->security_connector = security_connector;
+
   f->merge_args = grpc_channel_args_copy(args_copy);
-  f->master = channel;
-  GRPC_CHANNEL_INTERNAL_REF(channel, "subchannel_factory");
-  resolver = grpc_resolver_create(target, &f->base);
-  if (resolver) {
-    grpc_client_channel_set_resolver(
-        &exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
-    GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "create");
-  }
-  grpc_subchannel_factory_unref(&exec_ctx, &f->base);
-  GRPC_SECURITY_CONNECTOR_UNREF(&security_connector->base, "channel_create");
   grpc_channel_args_destroy(args_copy);
   if (new_args_from_connector != NULL) {
     grpc_channel_args_destroy(new_args_from_connector);
   }
 
-  if (!resolver) {
-    GRPC_CHANNEL_INTERNAL_UNREF(&exec_ctx, channel, "subchannel_factory");
-    channel = NULL;
+  GRPC_SECURITY_CONNECTOR_REF(&security_connector->base,
+                              "grpc_secure_channel_create");
+  f->security_connector = security_connector;
+
+  grpc_channel *channel = client_channel_factory_create_channel(
+      &exec_ctx, &f->base, target, GRPC_CLIENT_CHANNEL_TYPE_REGULAR, NULL);
+  if (channel != NULL) {
+    f->master = channel;
+    GRPC_CHANNEL_INTERNAL_REF(f->master, "grpc_secure_channel_create");
   }
+
+  grpc_client_channel_factory_unref(&exec_ctx, &f->base);
   grpc_exec_ctx_finish(&exec_ctx);
 
-  return channel;
+  return channel; /* may be NULL */
 }
diff --git a/src/core/ext/transport/chttp2/server/insecure/README.md b/src/core/ext/transport/chttp2/server/insecure/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..fc0bc14ed7ac0bae0261c5b75fdcba71e80f8bc7
--- /dev/null
+++ b/src/core/ext/transport/chttp2/server/insecure/README.md
@@ -0,0 +1 @@
+Plugin for creating insecure servers using chttp2
diff --git a/src/core/surface/server_chttp2.c b/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
similarity index 90%
rename from src/core/surface/server_chttp2.c
rename to src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
index ce970dfe7370ebd3a3c73a0494045e491aa5caf0..e21fa2a0727e8e599a19514d2a5122804316e386 100644
--- a/src/core/surface/server_chttp2.c
+++ b/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,22 +33,19 @@
 
 #include <grpc/grpc.h>
 
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/tcp_server.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/tcp_server.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/server.h"
 
 static void setup_transport(grpc_exec_ctx *exec_ctx, void *server,
                             grpc_transport *transport) {
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
-  grpc_server_setup_transport(exec_ctx, server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(exec_ctx, server, transport,
                               grpc_server_get_channel_args(server));
 }
 
diff --git a/src/core/ext/transport/chttp2/server/secure/README.md b/src/core/ext/transport/chttp2/server/secure/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..6bda696a9a415f3b826bbb5d2a3dbbb663d63763
--- /dev/null
+++ b/src/core/ext/transport/chttp2/server/secure/README.md
@@ -0,0 +1 @@
+Plugin for creating secure servers using chttp2
diff --git a/src/core/security/server_secure_chttp2.c b/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c
similarity index 91%
rename from src/core/security/server_secure_chttp2.c
rename to src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c
index 91547eb26e91ce168aff8fb57b4ca71bd1ad5c69..698b2bef61086343efc41f33f2bb661e3e52c78c 100644
--- a/src/core/security/server_secure_chttp2.c
+++ b/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,22 +35,22 @@
 
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/tcp_server.h"
-#include "src/core/security/auth_filters.h"
-#include "src/core/security/credentials.h"
-#include "src/core/security/security_connector.h"
-#include "src/core/security/security_context.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/tcp_server.h"
+#include "src/core/lib/security/auth_filters.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/security_connector.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/server.h"
 
 typedef struct grpc_server_secure_state {
   grpc_server *server;
@@ -83,8 +83,6 @@ static void state_unref(grpc_server_secure_state *state) {
 static void setup_transport(grpc_exec_ctx *exec_ctx, void *statep,
                             grpc_transport *transport,
                             grpc_auth_context *auth_context) {
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_server_auth_filter, &grpc_http_server_filter};
   grpc_server_secure_state *state = statep;
   grpc_channel_args *args_copy;
   grpc_arg args_to_add[2];
@@ -93,8 +91,7 @@ static void setup_transport(grpc_exec_ctx *exec_ctx, void *statep,
   args_copy = grpc_channel_args_copy_and_add(
       grpc_server_get_channel_args(state->server), args_to_add,
       GPR_ARRAY_SIZE(args_to_add));
-  grpc_server_setup_transport(exec_ctx, state->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters), args_copy);
+  grpc_server_setup_transport(exec_ctx, state->server, transport, args_copy);
   grpc_channel_args_destroy(args_copy);
 }
 
diff --git a/src/core/ext/transport/chttp2/transport/README.md b/src/core/ext/transport/chttp2/transport/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..4684e587593e97a92fbf70c7baff1f5f48f6aa60
--- /dev/null
+++ b/src/core/ext/transport/chttp2/transport/README.md
@@ -0,0 +1,4 @@
+chttp2 transport plugin - implements grpc over http2
+
+Used by chttp2/{client,server}/{insecure,secure} plugins to implement most of
+their functionality
diff --git a/src/core/transport/chttp2/bin_encoder.c b/src/core/ext/transport/chttp2/transport/bin_encoder.c
similarity index 61%
rename from src/core/transport/chttp2/bin_encoder.c
rename to src/core/ext/transport/chttp2/transport/bin_encoder.c
index f26bc7e29b14727212872d8d4cb6527869bf25b4..1b43c28be1a9ac3a5634828a5a705b4a72af2cb1 100644
--- a/src/core/transport/chttp2/bin_encoder.c
+++ b/src/core/ext/transport/chttp2/transport/bin_encoder.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,12 @@
  *
  */
 
-#include "src/core/transport/chttp2/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
 
 #include <string.h>
 
-#include "src/core/transport/chttp2/huffsyms.h"
 #include <grpc/support/log.h>
+#include "src/core/ext/transport/chttp2/transport/huffsyms.h"
 
 static const char alphabet[] =
     "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
@@ -46,70 +46,18 @@ typedef struct {
   uint8_t length;
 } b64_huff_sym;
 
-static const b64_huff_sym huff_alphabet[64] = {{0x21, 6},
-                                               {0x5d, 7},
-                                               {0x5e, 7},
-                                               {0x5f, 7},
-                                               {0x60, 7},
-                                               {0x61, 7},
-                                               {0x62, 7},
-                                               {0x63, 7},
-                                               {0x64, 7},
-                                               {0x65, 7},
-                                               {0x66, 7},
-                                               {0x67, 7},
-                                               {0x68, 7},
-                                               {0x69, 7},
-                                               {0x6a, 7},
-                                               {0x6b, 7},
-                                               {0x6c, 7},
-                                               {0x6d, 7},
-                                               {0x6e, 7},
-                                               {0x6f, 7},
-                                               {0x70, 7},
-                                               {0x71, 7},
-                                               {0x72, 7},
-                                               {0xfc, 8},
-                                               {0x73, 7},
-                                               {0xfd, 8},
-                                               {0x3, 5},
-                                               {0x23, 6},
-                                               {0x4, 5},
-                                               {0x24, 6},
-                                               {0x5, 5},
-                                               {0x25, 6},
-                                               {0x26, 6},
-                                               {0x27, 6},
-                                               {0x6, 5},
-                                               {0x74, 7},
-                                               {0x75, 7},
-                                               {0x28, 6},
-                                               {0x29, 6},
-                                               {0x2a, 6},
-                                               {0x7, 5},
-                                               {0x2b, 6},
-                                               {0x76, 7},
-                                               {0x2c, 6},
-                                               {0x8, 5},
-                                               {0x9, 5},
-                                               {0x2d, 6},
-                                               {0x77, 7},
-                                               {0x78, 7},
-                                               {0x79, 7},
-                                               {0x7a, 7},
-                                               {0x7b, 7},
-                                               {0x0, 5},
-                                               {0x1, 5},
-                                               {0x2, 5},
-                                               {0x19, 6},
-                                               {0x1a, 6},
-                                               {0x1b, 6},
-                                               {0x1c, 6},
-                                               {0x1d, 6},
-                                               {0x1e, 6},
-                                               {0x1f, 6},
-                                               {0x7fb, 11},
-                                               {0x18, 6}};
+static const b64_huff_sym huff_alphabet[64] = {
+    {0x21, 6}, {0x5d, 7}, {0x5e, 7},   {0x5f, 7}, {0x60, 7}, {0x61, 7},
+    {0x62, 7}, {0x63, 7}, {0x64, 7},   {0x65, 7}, {0x66, 7}, {0x67, 7},
+    {0x68, 7}, {0x69, 7}, {0x6a, 7},   {0x6b, 7}, {0x6c, 7}, {0x6d, 7},
+    {0x6e, 7}, {0x6f, 7}, {0x70, 7},   {0x71, 7}, {0x72, 7}, {0xfc, 8},
+    {0x73, 7}, {0xfd, 8}, {0x3, 5},    {0x23, 6}, {0x4, 5},  {0x24, 6},
+    {0x5, 5},  {0x25, 6}, {0x26, 6},   {0x27, 6}, {0x6, 5},  {0x74, 7},
+    {0x75, 7}, {0x28, 6}, {0x29, 6},   {0x2a, 6}, {0x7, 5},  {0x2b, 6},
+    {0x76, 7}, {0x2c, 6}, {0x8, 5},    {0x9, 5},  {0x2d, 6}, {0x77, 7},
+    {0x78, 7}, {0x79, 7}, {0x7a, 7},   {0x7b, 7}, {0x0, 5},  {0x1, 5},
+    {0x2, 5},  {0x19, 6}, {0x1a, 6},   {0x1b, 6}, {0x1c, 6}, {0x1d, 6},
+    {0x1e, 6}, {0x1f, 6}, {0x7fb, 11}, {0x18, 6}};
 
 static const uint8_t tail_xtra[3] = {0, 2, 3};
 
@@ -227,7 +175,7 @@ static void enc_add1(huff_out *out, uint8_t a) {
   enc_flush_some(out);
 }
 
-gpr_slice grpc_chttp2_base64_encode_and_huffman_compress(gpr_slice input) {
+gpr_slice grpc_chttp2_base64_encode_and_huffman_compress_impl(gpr_slice input) {
   size_t input_length = GPR_SLICE_LENGTH(input);
   size_t input_triplets = input_length / 3;
   size_t tail_case = input_length % 3;
@@ -246,9 +194,13 @@ gpr_slice grpc_chttp2_base64_encode_and_huffman_compress(gpr_slice input) {
 
   /* encode full triplets */
   for (i = 0; i < input_triplets; i++) {
-    enc_add2(&out, in[0] >> 2, (uint8_t)((in[0] & 0x3) << 4) | (in[1] >> 4));
-    enc_add2(&out, (uint8_t)((in[1] & 0xf) << 2) | (in[2] >> 6),
-             (uint8_t)(in[2] & 0x3f));
+    const uint8_t low_to_high = (uint8_t)((in[0] & 0x3) << 4);
+    const uint8_t high_to_low = in[1] >> 4;
+    enc_add2(&out, in[0] >> 2, low_to_high | high_to_low);
+
+    const uint8_t a = (uint8_t)((in[1] & 0xf) << 2);
+    const uint8_t b = (in[2] >> 6);
+    enc_add2(&out, a | b, in[2] & 0x3f);
     in += 3;
   }
 
@@ -260,12 +212,14 @@ gpr_slice grpc_chttp2_base64_encode_and_huffman_compress(gpr_slice input) {
       enc_add2(&out, in[0] >> 2, (uint8_t)((in[0] & 0x3) << 4));
       in += 1;
       break;
-    case 2:
-      enc_add2(&out, in[0] >> 2,
-               (uint8_t)((in[0] & 0x3) << 4) | (uint8_t)(in[1] >> 4));
+    case 2: {
+      const uint8_t low_to_high = (uint8_t)((in[0] & 0x3) << 4);
+      const uint8_t high_to_low = in[1] >> 4;
+      enc_add2(&out, in[0] >> 2, low_to_high | high_to_low);
       enc_add1(&out, (uint8_t)((in[1] & 0xf) << 2));
       in += 2;
       break;
+    }
   }
 
   if (out.temp_length) {
diff --git a/src/core/transport/chttp2/bin_encoder.h b/src/core/ext/transport/chttp2/transport/bin_encoder.h
similarity index 87%
rename from src/core/transport/chttp2/bin_encoder.h
rename to src/core/ext/transport/chttp2/transport/bin_encoder.h
index 036fddf9981e103297cc01ae5a7485051a5c2225..61ebbafa9a5b98e58c4561928e7e48088b4220db 100644
--- a/src/core/transport/chttp2/bin_encoder.h
+++ b/src/core/ext/transport/chttp2/transport/bin_encoder.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_BIN_ENCODER_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_BIN_ENCODER_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_ENCODER_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_ENCODER_H
 
 #include <grpc/support/slice.h>
 
@@ -49,6 +49,6 @@ gpr_slice grpc_chttp2_huffman_compress(gpr_slice input);
    gpr_slice y = grpc_chttp2_huffman_compress(x);
    gpr_slice_unref(x);
    return y; */
-gpr_slice grpc_chttp2_base64_encode_and_huffman_compress(gpr_slice input);
+gpr_slice grpc_chttp2_base64_encode_and_huffman_compress_impl(gpr_slice input);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_BIN_ENCODER_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_ENCODER_H */
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_plugin.c b/src/core/ext/transport/chttp2/transport/chttp2_plugin.c
new file mode 100644
index 0000000000000000000000000000000000000000..bd87253ed32aa820294a478f8f2a14d58ceb0b15
--- /dev/null
+++ b/src/core/ext/transport/chttp2/transport/chttp2_plugin.c
@@ -0,0 +1,46 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/transport/metadata.h"
+
+void grpc_chttp2_plugin_init(void) {
+  grpc_chttp2_base64_encode_and_huffman_compress =
+      grpc_chttp2_base64_encode_and_huffman_compress_impl;
+  grpc_register_tracer("http", &grpc_http_trace);
+  grpc_register_tracer("flowctl", &grpc_flowctl_trace);
+}
+
+void grpc_chttp2_plugin_shutdown(void) {}
diff --git a/src/core/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
similarity index 94%
rename from src/core/transport/chttp2_transport.c
rename to src/core/ext/transport/chttp2/transport/chttp2_transport.c
index 03444fd4c248ad63132ea7b52bebcc9aad667d6c..01507f5ca6f6c0e906fee1c27422bdd58df3d37a 100644
--- a/src/core/transport/chttp2_transport.c
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2_transport.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 
 #include <math.h>
 #include <stdio.h>
@@ -43,14 +43,14 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/profiling/timers.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/http2_errors.h"
-#include "src/core/transport/chttp2/internal.h"
-#include "src/core/transport/chttp2/status_conversion.h"
-#include "src/core/transport/chttp2/timeout_encoding.h"
-#include "src/core/transport/static_metadata.h"
-#include "src/core/transport/transport_impl.h"
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
+#include "src/core/ext/transport/chttp2/transport/status_conversion.h"
+#include "src/core/ext/transport/chttp2/transport/timeout_encoding.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/static_metadata.h"
+#include "src/core/lib/transport/transport_impl.h"
 
 #define DEFAULT_WINDOW 65535
 #define DEFAULT_CONNECTION_WINDOW_TARGET (1024 * 1024)
@@ -758,23 +758,35 @@ static void maybe_start_some_streams(
   }
 }
 
+#define CLOSURE_BARRIER_STATS_BIT (1 << 0)
+#define CLOSURE_BARRIER_FAILURE_BIT (1 << 1)
+#define CLOSURE_BARRIER_FIRST_REF_BIT (1 << 16)
+
 static grpc_closure *add_closure_barrier(grpc_closure *closure) {
-  closure->final_data += 2;
+  closure->final_data += CLOSURE_BARRIER_FIRST_REF_BIT;
   return closure;
 }
 
 void grpc_chttp2_complete_closure_step(grpc_exec_ctx *exec_ctx,
+                                       grpc_chttp2_stream_global *stream_global,
                                        grpc_closure **pclosure, int success) {
   grpc_closure *closure = *pclosure;
   if (closure == NULL) {
     return;
   }
-  closure->final_data -= 2;
+  closure->final_data -= CLOSURE_BARRIER_FIRST_REF_BIT;
   if (!success) {
-    closure->final_data |= 1;
+    closure->final_data |= CLOSURE_BARRIER_FAILURE_BIT;
   }
-  if (closure->final_data < 2) {
-    grpc_exec_ctx_enqueue(exec_ctx, closure, closure->final_data == 0, NULL);
+  if (closure->final_data < CLOSURE_BARRIER_FIRST_REF_BIT) {
+    if (closure->final_data & CLOSURE_BARRIER_STATS_BIT) {
+      grpc_transport_move_stats(&stream_global->stats,
+                                stream_global->collecting_stats);
+      stream_global->collecting_stats = NULL;
+    }
+    grpc_exec_ctx_enqueue(
+        exec_ctx, closure,
+        (closure->final_data & CLOSURE_BARRIER_FAILURE_BIT) == 0, NULL);
   }
   *pclosure = NULL;
 }
@@ -807,7 +819,13 @@ static void perform_stream_op_locked(
   }
   /* use final_data as a barrier until enqueue time; the inital counter is
      dropped at the end of this function */
-  on_complete->final_data = 2;
+  on_complete->final_data = CLOSURE_BARRIER_FIRST_REF_BIT;
+
+  if (op->collect_stats != NULL) {
+    GPR_ASSERT(stream_global->collecting_stats == NULL);
+    stream_global->collecting_stats = op->collect_stats;
+    on_complete->final_data |= CLOSURE_BARRIER_STATS_BIT;
+  }
 
   if (op->cancel_with_status != GRPC_STATUS_OK) {
     cancel_from_api(exec_ctx, transport_global, stream_global,
@@ -840,7 +858,8 @@ static void perform_stream_op_locked(
       }
     } else {
       grpc_chttp2_complete_closure_step(
-          exec_ctx, &stream_global->send_initial_metadata_finished, 0);
+          exec_ctx, stream_global,
+          &stream_global->send_initial_metadata_finished, 0);
     }
   }
 
@@ -850,7 +869,7 @@ static void perform_stream_op_locked(
     stream_global->send_message_finished = add_closure_barrier(on_complete);
     if (stream_global->write_closed) {
       grpc_chttp2_complete_closure_step(
-          exec_ctx, &stream_global->send_message_finished, 0);
+          exec_ctx, stream_global, &stream_global->send_message_finished, 0);
     } else {
       stream_global->send_message = op->send_message;
       if (stream_global->id != 0) {
@@ -870,7 +889,8 @@ static void perform_stream_op_locked(
     }
     if (stream_global->write_closed) {
       grpc_chttp2_complete_closure_step(
-          exec_ctx, &stream_global->send_trailing_metadata_finished,
+          exec_ctx, stream_global,
+          &stream_global->send_trailing_metadata_finished,
           grpc_metadata_batch_is_empty(op->send_trailing_metadata));
     } else if (stream_global->id != 0) {
       /* TODO(ctiller): check if there's flow control for any outstanding
@@ -909,7 +929,7 @@ static void perform_stream_op_locked(
     grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
   }
 
-  grpc_chttp2_complete_closure_step(exec_ctx, &on_complete, 1);
+  grpc_chttp2_complete_closure_step(exec_ctx, stream_global, &on_complete, 1);
 
   GPR_TIMER_END("perform_stream_op_locked", 0);
 }
@@ -1080,7 +1100,8 @@ static void check_read_ops(grpc_exec_ctx *exec_ctx,
             &stream_global->received_trailing_metadata,
             stream_global->recv_trailing_metadata);
         grpc_chttp2_complete_closure_step(
-            exec_ctx, &stream_global->recv_trailing_metadata_finished, 1);
+            exec_ctx, stream_global,
+            &stream_global->recv_trailing_metadata_finished, 1);
       }
     }
   }
@@ -1126,15 +1147,22 @@ static void cancel_from_api(grpc_exec_ctx *exec_ctx,
                             grpc_chttp2_transport_global *transport_global,
                             grpc_chttp2_stream_global *stream_global,
                             grpc_status_code status) {
-  if (stream_global->id != 0) {
-    gpr_slice_buffer_add(
-        &transport_global->qbuf,
-        grpc_chttp2_rst_stream_create(
-            stream_global->id,
-            (uint32_t)grpc_chttp2_grpc_status_to_http2_error(status)));
+  if (!stream_global->read_closed || !stream_global->write_closed) {
+    if (stream_global->id != 0) {
+      gpr_slice_buffer_add(
+          &transport_global->qbuf,
+          grpc_chttp2_rst_stream_create(
+              stream_global->id,
+              (uint32_t)grpc_chttp2_grpc_status_to_http2_error(status),
+              &stream_global->stats.outgoing));
+    }
+    grpc_chttp2_fake_status(exec_ctx, transport_global, stream_global, status,
+                            NULL);
+  }
+  if (status != GRPC_STATUS_OK && !stream_global->seen_error) {
+    stream_global->seen_error = 1;
+    grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
   }
-  grpc_chttp2_fake_status(exec_ctx, transport_global, stream_global, status,
-                          NULL);
   grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global, 1,
                                  1);
 }
@@ -1179,10 +1207,12 @@ void grpc_chttp2_fake_status(grpc_exec_ctx *exec_ctx,
 static void fail_pending_writes(grpc_exec_ctx *exec_ctx,
                                 grpc_chttp2_stream_global *stream_global) {
   grpc_chttp2_complete_closure_step(
-      exec_ctx, &stream_global->send_initial_metadata_finished, 0);
+      exec_ctx, stream_global, &stream_global->send_initial_metadata_finished,
+      0);
   grpc_chttp2_complete_closure_step(
-      exec_ctx, &stream_global->send_trailing_metadata_finished, 0);
-  grpc_chttp2_complete_closure_step(exec_ctx,
+      exec_ctx, stream_global, &stream_global->send_trailing_metadata_finished,
+      0);
+  grpc_chttp2_complete_closure_step(exec_ctx, stream_global,
                                     &stream_global->send_message_finished, 0);
 }
 
@@ -1319,7 +1349,8 @@ static void close_from_api(grpc_exec_ctx *exec_ctx,
 
   gpr_slice_buffer_add(
       &transport_global->qbuf,
-      grpc_chttp2_rst_stream_create(stream_global->id, GRPC_CHTTP2_NO_ERROR));
+      grpc_chttp2_rst_stream_create(stream_global->id, GRPC_CHTTP2_NO_ERROR,
+                                    &stream_global->stats.outgoing));
 
   if (optional_message) {
     gpr_slice_ref(*optional_message);
@@ -1398,8 +1429,8 @@ static void recv_data(grpc_exec_ctx *exec_ctx, void *tp, bool success) {
     gpr_mu_unlock(&t->mu);
     GPR_TIMER_BEGIN("recv_data.parse", 0);
     for (; i < t->read_buffer.count &&
-               grpc_chttp2_perform_read(exec_ctx, transport_parsing,
-                                        t->read_buffer.slices[i]);
+           grpc_chttp2_perform_read(exec_ctx, transport_parsing,
+                                    t->read_buffer.slices[i]);
          i++)
       ;
     GPR_TIMER_END("recv_data.parse", 0);
@@ -1474,9 +1505,10 @@ static void connectivity_state_set(
     grpc_connectivity_state state, const char *reason) {
   GRPC_CHTTP2_IF_TRACING(
       gpr_log(GPR_DEBUG, "set connectivity_state=%d", state));
-  grpc_connectivity_state_set(exec_ctx, &TRANSPORT_FROM_GLOBAL(transport_global)
-                                             ->channel_callback.state_tracker,
-                              state, reason);
+  grpc_connectivity_state_set(
+      exec_ctx,
+      &TRANSPORT_FROM_GLOBAL(transport_global)->channel_callback.state_tracker,
+      state, reason);
 }
 
 /*******************************************************************************
@@ -1756,9 +1788,15 @@ static char *chttp2_get_peer(grpc_exec_ctx *exec_ctx, grpc_transport *t) {
   return gpr_strdup(((grpc_chttp2_transport *)t)->peer_string);
 }
 
-static const grpc_transport_vtable vtable = {
-    sizeof(grpc_chttp2_stream), init_stream, set_pollset, perform_stream_op,
-    perform_transport_op, destroy_stream, destroy_transport, chttp2_get_peer};
+static const grpc_transport_vtable vtable = {sizeof(grpc_chttp2_stream),
+                                             "chttp2",
+                                             init_stream,
+                                             set_pollset,
+                                             perform_stream_op,
+                                             perform_transport_op,
+                                             destroy_stream,
+                                             destroy_transport,
+                                             chttp2_get_peer};
 
 grpc_transport *grpc_create_chttp2_transport(
     grpc_exec_ctx *exec_ctx, const grpc_channel_args *channel_args,
diff --git a/src/core/transport/chttp2_transport.h b/src/core/ext/transport/chttp2/transport/chttp2_transport.h
similarity index 87%
rename from src/core/transport/chttp2_transport.h
rename to src/core/ext/transport/chttp2/transport/chttp2_transport.h
index 95520501edde98b3272d9a6e23f267b4402a69be..5da4276f826004aa2c5c66d49fa7808030a649e6 100644
--- a/src/core/transport/chttp2_transport.h
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_TRANSPORT_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_TRANSPORT_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CHTTP2_TRANSPORT_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CHTTP2_TRANSPORT_H
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/transport/transport.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/transport/transport.h"
 
 extern int grpc_http_trace;
 extern int grpc_flowctl_trace;
@@ -48,4 +48,4 @@ void grpc_chttp2_transport_start_reading(grpc_exec_ctx *exec_ctx,
                                          grpc_transport *transport,
                                          gpr_slice *slices, size_t nslices);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_TRANSPORT_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CHTTP2_TRANSPORT_H */
diff --git a/src/core/transport/chttp2/frame.h b/src/core/ext/transport/chttp2/transport/frame.h
similarity index 93%
rename from src/core/transport/chttp2/frame.h
rename to src/core/ext/transport/chttp2/transport/frame.h
index 879ee036fac0f7018f01e35c2fcbbf5acf4a4fdc..5c72d91c2af0720517cd874f9cee6f0321a0e6a6 100644
--- a/src/core/transport/chttp2/frame.h
+++ b/src/core/ext/transport/chttp2/transport/frame.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_H
 
 #include <grpc/support/port_platform.h>
 #include <grpc/support/slice.h>
@@ -66,4 +66,4 @@ typedef struct grpc_chttp2_transport_parsing grpc_chttp2_transport_parsing;
 #define GRPC_CHTTP2_DATA_FLAG_PADDED 8
 #define GRPC_CHTTP2_FLAG_HAS_PRIORITY 0x20
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_H */
diff --git a/src/core/transport/chttp2/frame_data.c b/src/core/ext/transport/chttp2/transport/frame_data.c
similarity index 86%
rename from src/core/transport/chttp2/frame_data.c
rename to src/core/ext/transport/chttp2/transport/frame_data.c
index f9a1af88736239d3597213a3278116f5a46c1237..3a6d80e0a32ad39bc7dcabb0ff4ec0564cc9b97f 100644
--- a/src/core/transport/chttp2/frame_data.c
+++ b/src/core/ext/transport/chttp2/transport/frame_data.c
@@ -31,16 +31,16 @@
  *
  */
 
-#include "src/core/transport/chttp2/frame_data.h"
+#include "src/core/ext/transport/chttp2/transport/frame_data.h"
 
 #include <string.h>
 
-#include "src/core/transport/chttp2/internal.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
-#include "src/core/transport/transport.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/transport.h"
 
 grpc_chttp2_parse_error grpc_chttp2_data_parser_init(
     grpc_chttp2_data_parser *parser) {
@@ -113,11 +113,13 @@ grpc_byte_stream *grpc_chttp2_incoming_frame_queue_pop(
 
 void grpc_chttp2_encode_data(uint32_t id, gpr_slice_buffer *inbuf,
                              uint32_t write_bytes, int is_eof,
+                             grpc_transport_one_way_stats *stats,
                              gpr_slice_buffer *outbuf) {
   gpr_slice hdr;
   uint8_t *p;
+  static const size_t header_size = 9;
 
-  hdr = gpr_slice_malloc(9);
+  hdr = gpr_slice_malloc(header_size);
   p = GPR_SLICE_START_PTR(hdr);
   GPR_ASSERT(write_bytes < (1 << 24));
   *p++ = (uint8_t)(write_bytes >> 16);
@@ -132,6 +134,9 @@ void grpc_chttp2_encode_data(uint32_t id, gpr_slice_buffer *inbuf,
   gpr_slice_buffer_add(outbuf, hdr);
 
   gpr_slice_buffer_move_first(inbuf, write_bytes, outbuf);
+
+  stats->framing_bytes += header_size;
+  stats->data_bytes += write_bytes;
 }
 
 grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
@@ -154,8 +159,12 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
   }
 
   switch (p->state) {
-  fh_0:
+    case GRPC_CHTTP2_DATA_ERROR:
+      p->state = GRPC_CHTTP2_DATA_ERROR;
+      return GRPC_CHTTP2_STREAM_ERROR;
+    fh_0:
     case GRPC_CHTTP2_DATA_FH_0:
+      stream_parsing->stats.incoming.framing_bytes++;
       p->frame_type = *cur;
       switch (p->frame_type) {
         case 0:
@@ -166,6 +175,7 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
           break;
         default:
           gpr_log(GPR_ERROR, "Bad GRPC frame type 0x%02x", p->frame_type);
+          p->state = GRPC_CHTTP2_DATA_ERROR;
           return GRPC_CHTTP2_STREAM_ERROR;
       }
       if (++cur == end) {
@@ -174,6 +184,7 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
       }
     /* fallthrough */
     case GRPC_CHTTP2_DATA_FH_1:
+      stream_parsing->stats.incoming.framing_bytes++;
       p->frame_size = ((uint32_t)*cur) << 24;
       if (++cur == end) {
         p->state = GRPC_CHTTP2_DATA_FH_2;
@@ -181,6 +192,7 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
       }
     /* fallthrough */
     case GRPC_CHTTP2_DATA_FH_2:
+      stream_parsing->stats.incoming.framing_bytes++;
       p->frame_size |= ((uint32_t)*cur) << 16;
       if (++cur == end) {
         p->state = GRPC_CHTTP2_DATA_FH_3;
@@ -188,6 +200,7 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
       }
     /* fallthrough */
     case GRPC_CHTTP2_DATA_FH_3:
+      stream_parsing->stats.incoming.framing_bytes++;
       p->frame_size |= ((uint32_t)*cur) << 8;
       if (++cur == end) {
         p->state = GRPC_CHTTP2_DATA_FH_4;
@@ -195,6 +208,7 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
       }
     /* fallthrough */
     case GRPC_CHTTP2_DATA_FH_4:
+      stream_parsing->stats.incoming.framing_bytes++;
       p->frame_size |= ((uint32_t)*cur);
       p->state = GRPC_CHTTP2_DATA_FRAME;
       ++cur;
@@ -208,14 +222,14 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
               message_flags, &p->incoming_frames);
     /* fallthrough */
     case GRPC_CHTTP2_DATA_FRAME:
+      grpc_chttp2_list_add_parsing_seen_stream(transport_parsing,
+                                               stream_parsing);
       if (cur == end) {
-        grpc_chttp2_list_add_parsing_seen_stream(transport_parsing,
-                                                 stream_parsing);
         return GRPC_CHTTP2_PARSE_OK;
       }
-      grpc_chttp2_list_add_parsing_seen_stream(transport_parsing,
-                                               stream_parsing);
-      if ((uint32_t)(end - cur) == p->frame_size) {
+      uint32_t remaining = (uint32_t)(end - cur);
+      if (remaining == p->frame_size) {
+        stream_parsing->stats.incoming.data_bytes += p->frame_size;
         grpc_chttp2_incoming_byte_stream_push(
             exec_ctx, p->parsing_frame,
             gpr_slice_sub(slice, (size_t)(cur - beg), (size_t)(end - beg)));
@@ -224,7 +238,8 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
         p->parsing_frame = NULL;
         p->state = GRPC_CHTTP2_DATA_FH_0;
         return GRPC_CHTTP2_PARSE_OK;
-      } else if ((uint32_t)(end - cur) > p->frame_size) {
+      } else if (remaining > p->frame_size) {
+        stream_parsing->stats.incoming.data_bytes += p->frame_size;
         grpc_chttp2_incoming_byte_stream_push(
             exec_ctx, p->parsing_frame,
             gpr_slice_sub(slice, (size_t)(cur - beg),
@@ -235,11 +250,12 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
         cur += p->frame_size;
         goto fh_0; /* loop */
       } else {
+        GPR_ASSERT(remaining <= p->frame_size);
         grpc_chttp2_incoming_byte_stream_push(
             exec_ctx, p->parsing_frame,
             gpr_slice_sub(slice, (size_t)(cur - beg), (size_t)(end - beg)));
-        GPR_ASSERT((size_t)(end - cur) <= p->frame_size);
-        p->frame_size -= (uint32_t)(end - cur);
+        p->frame_size -= remaining;
+        stream_parsing->stats.incoming.data_bytes += remaining;
         return GRPC_CHTTP2_PARSE_OK;
       }
   }
diff --git a/src/core/transport/chttp2/frame_data.h b/src/core/ext/transport/chttp2/transport/frame_data.h
similarity index 87%
rename from src/core/transport/chttp2/frame_data.h
rename to src/core/ext/transport/chttp2/transport/frame_data.h
index 936b7a25899cb6e73a0749cc8b61ed2d85e40b3d..af71f483a2196c0df9265ca969be6a8b9ffb0516 100644
--- a/src/core/transport/chttp2/frame_data.h
+++ b/src/core/ext/transport/chttp2/transport/frame_data.h
@@ -31,16 +31,17 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_DATA_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_DATA_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_DATA_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_DATA_H
 
 /* Parser for GRPC streams embedded in DATA frames */
 
-#include "src/core/iomgr/exec_ctx.h"
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
-#include "src/core/transport/byte_stream.h"
-#include "src/core/transport/chttp2/frame.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/transport/byte_stream.h"
+#include "src/core/lib/transport/transport.h"
 
 typedef enum {
   GRPC_CHTTP2_DATA_FH_0,
@@ -48,7 +49,8 @@ typedef enum {
   GRPC_CHTTP2_DATA_FH_2,
   GRPC_CHTTP2_DATA_FH_3,
   GRPC_CHTTP2_DATA_FH_4,
-  GRPC_CHTTP2_DATA_FRAME
+  GRPC_CHTTP2_DATA_FRAME,
+  GRPC_CHTTP2_DATA_ERROR
 } grpc_chttp2_stream_state;
 
 typedef struct grpc_chttp2_incoming_byte_stream
@@ -96,6 +98,7 @@ grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
 
 void grpc_chttp2_encode_data(uint32_t id, gpr_slice_buffer *inbuf,
                              uint32_t write_bytes, int is_eof,
+                             grpc_transport_one_way_stats *stats,
                              gpr_slice_buffer *outbuf);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_DATA_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_DATA_H */
diff --git a/src/core/transport/chttp2/frame_goaway.c b/src/core/ext/transport/chttp2/transport/frame_goaway.c
similarity index 98%
rename from src/core/transport/chttp2/frame_goaway.c
rename to src/core/ext/transport/chttp2/transport/frame_goaway.c
index 2fa525e989e6c5221f36c99e934961e3fe8903e0..69accb7696dd8ad93a982b379446d2b35a830974 100644
--- a/src/core/transport/chttp2/frame_goaway.c
+++ b/src/core/ext/transport/chttp2/transport/frame_goaway.c
@@ -31,8 +31,8 @@
  *
  */
 
-#include "src/core/transport/chttp2/frame_goaway.h"
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/frame_goaway.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <string.h>
 
diff --git a/src/core/transport/chttp2/frame_goaway.h b/src/core/ext/transport/chttp2/transport/frame_goaway.h
similarity index 90%
rename from src/core/transport/chttp2/frame_goaway.h
rename to src/core/ext/transport/chttp2/transport/frame_goaway.h
index e1a72b40134c1d6d6ce9d40edf13a920eca24502..7c38b26a39b985e738af7754dbea0bae9d5ff81c 100644
--- a/src/core/transport/chttp2/frame_goaway.h
+++ b/src/core/ext/transport/chttp2/transport/frame_goaway.h
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_GOAWAY_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_GOAWAY_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_GOAWAY_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_GOAWAY_H
 
-#include "src/core/iomgr/exec_ctx.h"
-#include "src/core/transport/chttp2/frame.h"
 #include <grpc/support/port_platform.h>
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 typedef enum {
   GRPC_CHTTP2_GOAWAY_LSI0,
@@ -74,4 +74,4 @@ void grpc_chttp2_goaway_append(uint32_t last_stream_id, uint32_t error_code,
                                gpr_slice debug_data,
                                gpr_slice_buffer *slice_buffer);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_GOAWAY_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_GOAWAY_H */
diff --git a/src/core/transport/chttp2/frame_ping.c b/src/core/ext/transport/chttp2/transport/frame_ping.c
similarity index 96%
rename from src/core/transport/chttp2/frame_ping.c
rename to src/core/ext/transport/chttp2/transport/frame_ping.c
index c6ab522283d689166e98041c4252bf1936d23e86..7e1815f0fee8985104a71ca9777069c335e87666 100644
--- a/src/core/transport/chttp2/frame_ping.c
+++ b/src/core/ext/transport/chttp2/transport/frame_ping.c
@@ -31,8 +31,8 @@
  *
  */
 
-#include "src/core/transport/chttp2/frame_ping.h"
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/frame_ping.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <string.h>
 
diff --git a/src/core/transport/chttp2/frame_ping.h b/src/core/ext/transport/chttp2/transport/frame_ping.h
similarity index 88%
rename from src/core/transport/chttp2/frame_ping.h
rename to src/core/ext/transport/chttp2/transport/frame_ping.h
index 16d7a726186a31108b7130d6e9c68b782f815f73..4f7fcc130582b79713f61df9ac86d9e1fb4a848f 100644
--- a/src/core/transport/chttp2/frame_ping.h
+++ b/src/core/ext/transport/chttp2/transport/frame_ping.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_PING_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_PING_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H
 
-#include "src/core/iomgr/exec_ctx.h"
 #include <grpc/support/slice.h>
-#include "src/core/transport/chttp2/frame.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 typedef struct {
   uint8_t byte;
@@ -53,4 +53,4 @@ grpc_chttp2_parse_error grpc_chttp2_ping_parser_parse(
     grpc_chttp2_transport_parsing *transport_parsing,
     grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_PING_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H */
diff --git a/src/core/transport/chttp2/frame_rst_stream.c b/src/core/ext/transport/chttp2/transport/frame_rst_stream.c
similarity index 87%
rename from src/core/transport/chttp2/frame_rst_stream.c
rename to src/core/ext/transport/chttp2/transport/frame_rst_stream.c
index 754529e4b92ceec106fccf698f6d353467a83c49..22467e9ddd2a18310f77a5e1ad1b323ee25c4828 100644
--- a/src/core/transport/chttp2/frame_rst_stream.c
+++ b/src/core/ext/transport/chttp2/transport/frame_rst_stream.c
@@ -31,15 +31,18 @@
  *
  */
 
-#include "src/core/transport/chttp2/frame_rst_stream.h"
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/frame_rst_stream.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <grpc/support/log.h>
 
-#include "src/core/transport/chttp2/frame.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
 
-gpr_slice grpc_chttp2_rst_stream_create(uint32_t id, uint32_t code) {
-  gpr_slice slice = gpr_slice_malloc(13);
+gpr_slice grpc_chttp2_rst_stream_create(uint32_t id, uint32_t code,
+                                        grpc_transport_one_way_stats *stats) {
+  static const size_t frame_size = 13;
+  gpr_slice slice = gpr_slice_malloc(frame_size);
+  stats->framing_bytes += frame_size;
   uint8_t *p = GPR_SLICE_START_PTR(slice);
 
   *p++ = 0;
@@ -84,6 +87,7 @@ grpc_chttp2_parse_error grpc_chttp2_rst_stream_parser_parse(
     cur++;
     p->byte++;
   }
+  stream_parsing->stats.incoming.framing_bytes += (uint64_t)(end - cur);
 
   if (p->byte == 4) {
     GPR_ASSERT(is_last);
diff --git a/src/core/transport/chttp2/frame_rst_stream.h b/src/core/ext/transport/chttp2/transport/frame_rst_stream.h
similarity index 82%
rename from src/core/transport/chttp2/frame_rst_stream.h
rename to src/core/ext/transport/chttp2/transport/frame_rst_stream.h
index 72ca654c3243b5e69720f4c571411e5911c73cc8..9c1e756a943ac2dd5862aabf14b67f03814cd88e 100644
--- a/src/core/transport/chttp2/frame_rst_stream.h
+++ b/src/core/ext/transport/chttp2/transport/frame_rst_stream.h
@@ -31,19 +31,21 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_RST_STREAM_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_RST_STREAM_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_RST_STREAM_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_RST_STREAM_H
 
 #include <grpc/support/slice.h>
-#include "src/core/transport/chttp2/frame.h"
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/transport/transport.h"
 
 typedef struct {
   uint8_t byte;
   uint8_t reason_bytes[4];
 } grpc_chttp2_rst_stream_parser;
 
-gpr_slice grpc_chttp2_rst_stream_create(uint32_t stream_id, uint32_t code);
+gpr_slice grpc_chttp2_rst_stream_create(uint32_t stream_id, uint32_t code,
+                                        grpc_transport_one_way_stats *stats);
 
 grpc_chttp2_parse_error grpc_chttp2_rst_stream_parser_begin_frame(
     grpc_chttp2_rst_stream_parser *parser, uint32_t length, uint8_t flags);
@@ -52,4 +54,4 @@ grpc_chttp2_parse_error grpc_chttp2_rst_stream_parser_parse(
     grpc_chttp2_transport_parsing *transport_parsing,
     grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_RST_STREAM_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_RST_STREAM_H */
diff --git a/src/core/transport/chttp2/frame_settings.c b/src/core/ext/transport/chttp2/transport/frame_settings.c
similarity index 96%
rename from src/core/transport/chttp2/frame_settings.c
rename to src/core/ext/transport/chttp2/transport/frame_settings.c
index cc49dd4f692c4977b917074f49df7bd29256dcd1..a3c1e15f35e95ffee4fdaf391416575ea2825395 100644
--- a/src/core/transport/chttp2/frame_settings.c
+++ b/src/core/ext/transport/chttp2/transport/frame_settings.c
@@ -31,18 +31,18 @@
  *
  */
 
-#include "src/core/transport/chttp2/frame_settings.h"
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/frame_settings.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <string.h>
 
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/debug/trace.h"
-#include "src/core/transport/chttp2/frame.h"
-#include "src/core/transport/chttp2/http2_errors.h"
-#include "src/core/transport/chttp2_transport.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
+#include "src/core/lib/debug/trace.h"
 
 #define MAX_MAX_HEADER_LIST_SIZE (1024 * 1024 * 1024)
 
diff --git a/src/core/transport/chttp2/frame_settings.h b/src/core/ext/transport/chttp2/transport/frame_settings.h
similarity index 92%
rename from src/core/transport/chttp2/frame_settings.h
rename to src/core/ext/transport/chttp2/transport/frame_settings.h
index 3c918e3a2a90985489e2ad2910c7ff684455dcf6..d9e30f1ed07577d29270c0199d4d69bb10f2a717 100644
--- a/src/core/transport/chttp2/frame_settings.h
+++ b/src/core/ext/transport/chttp2/transport/frame_settings.h
@@ -31,13 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_SETTINGS_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_SETTINGS_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_SETTINGS_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_SETTINGS_H
 
 #include <grpc/support/port_platform.h>
 #include <grpc/support/slice.h>
-#include "src/core/transport/chttp2/frame.h"
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 typedef enum {
   GRPC_CHTTP2_SPS_ID0,
@@ -100,4 +100,4 @@ grpc_chttp2_parse_error grpc_chttp2_settings_parser_parse(
     grpc_chttp2_transport_parsing *transport_parsing,
     grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_SETTINGS_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_SETTINGS_H */
diff --git a/src/core/transport/chttp2/frame_window_update.c b/src/core/ext/transport/chttp2/transport/frame_window_update.c
similarity index 88%
rename from src/core/transport/chttp2/frame_window_update.c
rename to src/core/ext/transport/chttp2/transport/frame_window_update.c
index 62d9bac117908d7d3446f740b8c804091e7fe5c4..90243418bdeba1eb361501fae6397b5217b18238 100644
--- a/src/core/transport/chttp2/frame_window_update.c
+++ b/src/core/ext/transport/chttp2/transport/frame_window_update.c
@@ -31,14 +31,16 @@
  *
  */
 
-#include "src/core/transport/chttp2/frame_window_update.h"
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/frame_window_update.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <grpc/support/log.h>
 
-gpr_slice grpc_chttp2_window_update_create(uint32_t id,
-                                           uint32_t window_update) {
-  gpr_slice slice = gpr_slice_malloc(13);
+gpr_slice grpc_chttp2_window_update_create(
+    uint32_t id, uint32_t window_update, grpc_transport_one_way_stats *stats) {
+  static const size_t frame_size = 13;
+  gpr_slice slice = gpr_slice_malloc(frame_size);
+  stats->header_bytes += frame_size;
   uint8_t *p = GPR_SLICE_START_PTR(slice);
 
   GPR_ASSERT(window_update);
@@ -87,6 +89,10 @@ grpc_chttp2_parse_error grpc_chttp2_window_update_parser_parse(
     p->byte++;
   }
 
+  if (stream_parsing != NULL) {
+    stream_parsing->stats.incoming.framing_bytes += (uint32_t)(end - cur);
+  }
+
   if (p->byte == 4) {
     uint32_t received_update = p->amount;
     if (received_update == 0 || (received_update & 0x80000000u)) {
diff --git a/src/core/transport/chttp2/frame_window_update.h b/src/core/ext/transport/chttp2/transport/frame_window_update.h
similarity index 82%
rename from src/core/transport/chttp2/frame_window_update.h
rename to src/core/ext/transport/chttp2/transport/frame_window_update.h
index 89d835c07979e6fbf566eb1a64d2f7c6ca329812..d6e87b9329f5d83b88fcceb61288727017faa2eb 100644
--- a/src/core/transport/chttp2/frame_window_update.h
+++ b/src/core/ext/transport/chttp2/transport/frame_window_update.h
@@ -31,12 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_WINDOW_UPDATE_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_WINDOW_UPDATE_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_WINDOW_UPDATE_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_WINDOW_UPDATE_H
 
-#include "src/core/iomgr/exec_ctx.h"
 #include <grpc/support/slice.h>
-#include "src/core/transport/chttp2/frame.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/transport/transport.h"
 
 typedef struct {
   uint8_t byte;
@@ -44,7 +45,8 @@ typedef struct {
   uint32_t amount;
 } grpc_chttp2_window_update_parser;
 
-gpr_slice grpc_chttp2_window_update_create(uint32_t id, uint32_t window_delta);
+gpr_slice grpc_chttp2_window_update_create(uint32_t id, uint32_t window_delta,
+                                           grpc_transport_one_way_stats *stats);
 
 grpc_chttp2_parse_error grpc_chttp2_window_update_parser_begin_frame(
     grpc_chttp2_window_update_parser *parser, uint32_t length, uint8_t flags);
@@ -53,4 +55,4 @@ grpc_chttp2_parse_error grpc_chttp2_window_update_parser_parse(
     grpc_chttp2_transport_parsing *transport_parsing,
     grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_WINDOW_UPDATE_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_WINDOW_UPDATE_H */
diff --git a/src/core/transport/chttp2/hpack_encoder.c b/src/core/ext/transport/chttp2/transport/hpack_encoder.c
similarity index 96%
rename from src/core/transport/chttp2/hpack_encoder.c
rename to src/core/ext/transport/chttp2/transport/hpack_encoder.c
index f30f574d0635c9fc3e7ba445f4fc5edb789b6b1a..555027c8660dba3b442ad9c78b9e7c89395bcd58 100644
--- a/src/core/transport/chttp2/hpack_encoder.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_encoder.h"
 
 #include <assert.h>
 #include <string.h>
@@ -45,11 +45,12 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/transport/chttp2/bin_encoder.h"
-#include "src/core/transport/chttp2/hpack_table.h"
-#include "src/core/transport/chttp2/timeout_encoding.h"
-#include "src/core/transport/chttp2/varint.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_table.h"
+#include "src/core/ext/transport/chttp2/transport/timeout_encoding.h"
+#include "src/core/ext/transport/chttp2/transport/varint.h"
+#include "src/core/lib/transport/metadata.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 #define HASH_FRAGMENT_1(x) ((x)&255)
 #define HASH_FRAGMENT_2(x) ((x >> 8) & 255)
@@ -74,6 +75,7 @@ typedef struct {
   /* output stream id */
   uint32_t stream_id;
   gpr_slice_buffer *output;
+  grpc_transport_one_way_stats *stats;
 } framer_state;
 
 /* fills p (which is expected to be 9 bytes long) with a data frame header */
@@ -102,6 +104,7 @@ static void finish_frame(framer_state *st, int is_header_boundary,
       st->stream_id, st->output->length - st->output_length_at_start_of_frame,
       (uint8_t)((is_last_in_stream ? GRPC_CHTTP2_DATA_FLAG_END_STREAM : 0) |
                 (is_header_boundary ? GRPC_CHTTP2_DATA_FLAG_END_HEADERS : 0)));
+  st->stats->framing_bytes += 9;
   st->is_first_frame = 0;
 }
 
@@ -147,8 +150,10 @@ static void add_header_data(framer_state *st, gpr_slice slice) {
   remaining = GRPC_CHTTP2_MAX_PAYLOAD_LENGTH +
               st->output_length_at_start_of_frame - st->output->length;
   if (len <= remaining) {
+    st->stats->header_bytes += len;
     gpr_slice_buffer_add(st->output, slice);
   } else {
+    st->stats->header_bytes += remaining;
     gpr_slice_buffer_add(st->output, gpr_slice_split_head(&slice, remaining));
     finish_frame(st, 0, 0);
     begin_frame(st);
@@ -178,8 +183,7 @@ static void add_elem(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem) {
   uint32_t key_hash = elem->key->hash;
   uint32_t elem_hash = GRPC_MDSTR_KV_HASH(key_hash, elem->value->hash);
   uint32_t new_index = c->tail_remote_index + c->table_elems + 1;
-  size_t elem_size = 32 + GPR_SLICE_LENGTH(elem->key->slice) +
-                     GPR_SLICE_LENGTH(elem->value->slice);
+  size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
 
   GPR_ASSERT(elem_size < 65536);
 
@@ -395,8 +399,7 @@ static void hpack_enc(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem,
   }
 
   /* should this elem be in the table? */
-  decoder_space_usage = 32 + GPR_SLICE_LENGTH(elem->key->slice) +
-                        GPR_SLICE_LENGTH(elem->value->slice);
+  decoder_space_usage = grpc_mdelem_get_size_in_hpack_table(elem);
   should_add_elem = decoder_space_usage < MAX_DECODER_SPACE_USAGE &&
                     c->filter_elems[HASH_FRAGMENT_1(elem_hash)] >=
                         c->filter_elems_sum / ONE_ON_ADD_PROBABILITY;
@@ -535,6 +538,7 @@ void grpc_chttp2_hpack_compressor_set_max_table_size(
 void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c,
                                uint32_t stream_id,
                                grpc_metadata_batch *metadata, int is_eof,
+                               grpc_transport_one_way_stats *stats,
                                gpr_slice_buffer *outbuf) {
   framer_state st;
   grpc_linked_mdelem *l;
@@ -546,6 +550,7 @@ void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c,
   st.stream_id = stream_id;
   st.output = outbuf;
   st.is_first_frame = 1;
+  st.stats = stats;
 
   /* Encode a metadata batch; store the returned values, representing
      a metadata element that needs to be unreffed back into the metadata
diff --git a/src/core/transport/chttp2/hpack_encoder.h b/src/core/ext/transport/chttp2/transport/hpack_encoder.h
similarity index 89%
rename from src/core/transport/chttp2/hpack_encoder.h
rename to src/core/ext/transport/chttp2/transport/hpack_encoder.h
index 19b5cb72ae1579dd8a27086ec3e49b7ee1397623..0f7b0b063ab879518b4d5773faff6ab0d5ccfa3b 100644
--- a/src/core/transport/chttp2/hpack_encoder.h
+++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.h
@@ -31,15 +31,16 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_ENCODER_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_ENCODER_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_ENCODER_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_ENCODER_H
 
-#include "src/core/transport/chttp2/frame.h"
-#include "src/core/transport/metadata.h"
-#include "src/core/transport/metadata_batch.h"
 #include <grpc/support/port_platform.h>
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/transport/metadata.h"
+#include "src/core/lib/transport/metadata_batch.h"
+#include "src/core/lib/transport/transport.h"
 
 #define GRPC_CHTTP2_HPACKC_NUM_FILTERS 256
 #define GRPC_CHTTP2_HPACKC_NUM_VALUES 256
@@ -90,6 +91,7 @@ void grpc_chttp2_hpack_compressor_set_max_usable_size(
 
 void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c, uint32_t id,
                                grpc_metadata_batch *metadata, int is_eof,
+                               grpc_transport_one_way_stats *stats,
                                gpr_slice_buffer *outbuf);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_ENCODER_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_ENCODER_H */
diff --git a/src/core/transport/chttp2/hpack_parser.c b/src/core/ext/transport/chttp2/transport/hpack_parser.c
similarity index 98%
rename from src/core/transport/chttp2/hpack_parser.c
rename to src/core/ext/transport/chttp2/transport/hpack_parser.c
index a63c7db1f6137114f86bca493179eb3339473f92..687936bfd35a51f96d4749e12d3a1f6363205e69 100644
--- a/src/core/transport/chttp2/hpack_parser.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_parser.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,12 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_parser.h"
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
+#include <assert.h>
 #include <stddef.h>
 #include <string.h>
-#include <assert.h>
 
 /* This is here for grpc_is_binary_header
  * TODO(murgatroid99): Remove this
@@ -48,9 +48,11 @@
 #include <grpc/support/port_platform.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/profiling/timers.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+
+extern int grpc_http_trace;
 
 typedef enum {
   NOT_BINARY,
@@ -636,6 +638,10 @@ static int on_hdr(grpc_chttp2_hpack_parser *p, grpc_mdelem *md,
       return 0;
     }
   }
+  if (p->on_header == NULL) {
+    GRPC_MDELEM_UNREF(md);
+    return 0;
+  }
   p->on_header(p->on_header_user_data, md);
   return 1;
 }
@@ -723,7 +729,9 @@ static int finish_indexed_field(grpc_chttp2_hpack_parser *p, const uint8_t *cur,
                                 const uint8_t *end) {
   grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
   if (md == NULL) {
-    gpr_log(GPR_ERROR, "Invalid HPACK index received: %d", p->index);
+    if (grpc_http_trace) {
+      gpr_log(GPR_ERROR, "Invalid HPACK index received: %d", p->index);
+    }
     return 0;
   }
   GRPC_MDELEM_REF(md);
@@ -919,7 +927,9 @@ static int parse_lithdr_nvridx_v(grpc_chttp2_hpack_parser *p,
 /* finish parsing a max table size change */
 static int finish_max_tbl_size(grpc_chttp2_hpack_parser *p, const uint8_t *cur,
                                const uint8_t *end) {
-  gpr_log(GPR_INFO, "MAX TABLE SIZE: %d", p->index);
+  if (grpc_http_trace) {
+    gpr_log(GPR_INFO, "MAX TABLE SIZE: %d", p->index);
+  }
   return grpc_chttp2_hptbl_set_current_table_size(&p->table, p->index) &&
          parse_begin(p, cur, end);
 }
@@ -960,7 +970,9 @@ static int parse_error(grpc_chttp2_hpack_parser *p, const uint8_t *cur,
 static int parse_illegal_op(grpc_chttp2_hpack_parser *p, const uint8_t *cur,
                             const uint8_t *end) {
   GPR_ASSERT(cur != end);
-  gpr_log(GPR_DEBUG, "Illegal hpack op code %d", *cur);
+  if (grpc_http_trace) {
+    gpr_log(GPR_DEBUG, "Illegal hpack op code %d", *cur);
+  }
   return parse_error(p, cur, end);
 }
 
@@ -1069,10 +1081,12 @@ static int parse_value4(grpc_chttp2_hpack_parser *p, const uint8_t *cur,
   }
 
 error:
-  gpr_log(GPR_ERROR,
-          "integer overflow in hpack integer decoding: have 0x%08x, "
-          "got byte 0x%02x on byte 5",
-          *p->parsing.value, *cur);
+  if (grpc_http_trace) {
+    gpr_log(GPR_ERROR,
+            "integer overflow in hpack integer decoding: have 0x%08x, "
+            "got byte 0x%02x on byte 5",
+            *p->parsing.value, *cur);
+  }
   return parse_error(p, cur, end);
 }
 
@@ -1094,10 +1108,12 @@ static int parse_value5up(grpc_chttp2_hpack_parser *p, const uint8_t *cur,
     return parse_next(p, cur + 1, end);
   }
 
-  gpr_log(GPR_ERROR,
-          "integer overflow in hpack integer decoding: have 0x%08x, "
-          "got byte 0x%02x sometime after byte 5",
-          *p->parsing.value, *cur);
+  if (grpc_http_trace) {
+    gpr_log(GPR_ERROR,
+            "integer overflow in hpack integer decoding: have 0x%08x, "
+            "got byte 0x%02x sometime after byte 5",
+            *p->parsing.value, *cur);
+  }
   return parse_error(p, cur, end);
 }
 
@@ -1329,7 +1345,9 @@ static is_binary_header is_binary_literal_header(grpc_chttp2_hpack_parser *p) {
 static is_binary_header is_binary_indexed_header(grpc_chttp2_hpack_parser *p) {
   grpc_mdelem *elem = grpc_chttp2_hptbl_lookup(&p->table, p->index);
   if (!elem) {
-    gpr_log(GPR_ERROR, "Invalid HPACK index received: %d", p->index);
+    if (grpc_http_trace) {
+      gpr_log(GPR_ERROR, "Invalid HPACK index received: %d", p->index);
+    }
     return ERROR_HEADER;
   }
   return grpc_is_binary_header(
@@ -1368,12 +1386,8 @@ static int parse_value_string_with_literal_key(grpc_chttp2_hpack_parser *p,
 
 /* PUBLIC INTERFACE */
 
-static void on_header_not_set(void *user_data, grpc_mdelem *md) {
-  GPR_UNREACHABLE_CODE(return );
-}
-
 void grpc_chttp2_hpack_parser_init(grpc_chttp2_hpack_parser *p) {
-  p->on_header = on_header_not_set;
+  p->on_header = NULL;
   p->on_header_user_data = NULL;
   p->state = parse_begin;
   p->key.str = NULL;
@@ -1412,6 +1426,9 @@ grpc_chttp2_parse_error grpc_chttp2_header_parser_parse(
     grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last) {
   grpc_chttp2_hpack_parser *parser = hpack_parser;
   GPR_TIMER_BEGIN("grpc_chttp2_hpack_parser_parse", 0);
+  if (stream_parsing != NULL) {
+    stream_parsing->stats.incoming.header_bytes += GPR_SLICE_LENGTH(slice);
+  }
   if (!grpc_chttp2_hpack_parser_parse(parser, GPR_SLICE_START_PTR(slice),
                                       GPR_SLICE_END_PTR(slice))) {
     GPR_TIMER_END("grpc_chttp2_hpack_parser_parse", 0);
@@ -1438,7 +1455,7 @@ grpc_chttp2_parse_error grpc_chttp2_header_parser_parse(
         stream_parsing->received_close = 1;
       }
     }
-    parser->on_header = on_header_not_set;
+    parser->on_header = NULL;
     parser->on_header_user_data = NULL;
     parser->is_boundary = 0xde;
     parser->is_eof = 0xde;
diff --git a/src/core/transport/chttp2/hpack_parser.h b/src/core/ext/transport/chttp2/transport/hpack_parser.h
similarity index 91%
rename from src/core/transport/chttp2/hpack_parser.h
rename to src/core/ext/transport/chttp2/transport/hpack_parser.h
index 1ad0c64fb9cae281e664243fe7d1686faa105f36..855d6c5d521443ef088e4c111276195e7088b8ac 100644
--- a/src/core/transport/chttp2/hpack_parser.h
+++ b/src/core/ext/transport/chttp2/transport/hpack_parser.h
@@ -31,16 +31,16 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_PARSER_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_PARSER_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_PARSER_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_PARSER_H
 
 #include <stddef.h>
 
 #include <grpc/support/port_platform.h>
-#include "src/core/iomgr/exec_ctx.h"
-#include "src/core/transport/chttp2/frame.h"
-#include "src/core/transport/chttp2/hpack_table.h"
-#include "src/core/transport/metadata.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_table.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/transport/metadata.h"
 
 typedef struct grpc_chttp2_hpack_parser grpc_chttp2_hpack_parser;
 
@@ -113,4 +113,4 @@ grpc_chttp2_parse_error grpc_chttp2_header_parser_parse(
     grpc_chttp2_transport_parsing *transport_parsing,
     grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_PARSER_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_PARSER_H */
diff --git a/src/core/transport/chttp2/hpack_table.c b/src/core/ext/transport/chttp2/transport/hpack_table.c
similarity index 93%
rename from src/core/transport/chttp2/hpack_table.c
rename to src/core/ext/transport/chttp2/transport/hpack_table.c
index f1ce3b84fdccae84ac1495e8e22ef4d8a862cffc..4d64506de29239257b25f18bafc6e6027d88df87 100644
--- a/src/core/transport/chttp2/hpack_table.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_table.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_table.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_table.h"
 
 #include <assert.h>
 #include <string.h>
@@ -39,7 +39,9 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/support/murmur_hash.h"
+#include "src/core/lib/support/murmur_hash.h"
+
+extern int grpc_http_trace;
 
 static struct {
   const char *key;
@@ -264,12 +266,16 @@ int grpc_chttp2_hptbl_set_current_table_size(grpc_chttp2_hptbl *tbl,
     return 1;
   }
   if (bytes > tbl->max_bytes) {
-    gpr_log(GPR_ERROR,
-            "Attempt to make hpack table %d bytes when max is %d bytes", bytes,
-            tbl->max_bytes);
+    if (grpc_http_trace) {
+      gpr_log(GPR_ERROR,
+              "Attempt to make hpack table %d bytes when max is %d bytes",
+              bytes, tbl->max_bytes);
+    }
     return 0;
   }
-  gpr_log(GPR_DEBUG, "Update hpack parser table size to %d", bytes);
+  if (grpc_http_trace) {
+    gpr_log(GPR_DEBUG, "Update hpack parser table size to %d", bytes);
+  }
   while (tbl->mem_used > bytes) {
     evict1(tbl);
   }
@@ -293,10 +299,12 @@ int grpc_chttp2_hptbl_add(grpc_chttp2_hptbl *tbl, grpc_mdelem *md) {
                       GRPC_CHTTP2_HPACK_ENTRY_OVERHEAD;
 
   if (tbl->current_table_bytes > tbl->max_bytes) {
-    gpr_log(GPR_ERROR,
-            "HPACK max table size reduced to %d but not reflected by hpack "
-            "stream (still at %d)",
-            tbl->max_bytes, tbl->current_table_bytes);
+    if (grpc_http_trace) {
+      gpr_log(GPR_ERROR,
+              "HPACK max table size reduced to %d but not reflected by hpack "
+              "stream (still at %d)",
+              tbl->max_bytes, tbl->current_table_bytes);
+    }
     return 0;
   }
 
diff --git a/src/core/transport/chttp2/hpack_table.h b/src/core/ext/transport/chttp2/transport/hpack_table.h
similarity index 94%
rename from src/core/transport/chttp2/hpack_table.h
rename to src/core/ext/transport/chttp2/transport/hpack_table.h
index e7431255fc7fbbd39240907e46a42068dddb9572..074fea36d8c476594d4272edfd8711c24710e778 100644
--- a/src/core/transport/chttp2/hpack_table.h
+++ b/src/core/ext/transport/chttp2/transport/hpack_table.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_TABLE_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_TABLE_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_TABLE_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_TABLE_H
 
-#include "src/core/transport/metadata.h"
 #include <grpc/support/port_platform.h>
 #include <grpc/support/slice.h>
+#include "src/core/lib/transport/metadata.h"
 
 /* HPACK header table */
 
@@ -105,4 +105,4 @@ typedef struct {
 grpc_chttp2_hptbl_find_result grpc_chttp2_hptbl_find(
     const grpc_chttp2_hptbl *tbl, grpc_mdelem *md);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_TABLE_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_TABLE_H */
diff --git a/src/core/transport/chttp2/hpack_tables.txt b/src/core/ext/transport/chttp2/transport/hpack_tables.txt
similarity index 100%
rename from src/core/transport/chttp2/hpack_tables.txt
rename to src/core/ext/transport/chttp2/transport/hpack_tables.txt
diff --git a/src/core/transport/chttp2/http2_errors.h b/src/core/ext/transport/chttp2/transport/http2_errors.h
similarity index 91%
rename from src/core/transport/chttp2/http2_errors.h
rename to src/core/ext/transport/chttp2/transport/http2_errors.h
index a4f309e0565d40ed251f2c799ccb4d1b02d5ecb4..deab2b7e3e8bc8391cc8dd28abc73c30b15f51c3 100644
--- a/src/core/transport/chttp2/http2_errors.h
+++ b/src/core/ext/transport/chttp2/transport/http2_errors.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HTTP2_ERRORS_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HTTP2_ERRORS_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_ERRORS_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_ERRORS_H
 
 /* error codes for RST_STREAM from http2 draft 14 section 7 */
 typedef enum {
@@ -53,4 +53,4 @@ typedef enum {
   GRPC_CHTTP2__ERROR_DO_NOT_USE = -1
 } grpc_chttp2_error_code;
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HTTP2_ERRORS_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_ERRORS_H */
diff --git a/src/core/ext/transport/chttp2/transport/huffsyms.c b/src/core/ext/transport/chttp2/transport/huffsyms.c
new file mode 100644
index 0000000000000000000000000000000000000000..68b34e4e2dd4489f03bfe911928214bd910925a4
--- /dev/null
+++ b/src/core/ext/transport/chttp2/transport/huffsyms.c
@@ -0,0 +1,105 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/transport/chttp2/transport/huffsyms.h"
+
+/* Constants pulled from the HPACK spec, and converted to C using the vim
+   command:
+   :%s/.*   \([0-9a-f]\+\)  \[ *\([0-9]\+\)\]/{0x\1, \2},/g */
+const grpc_chttp2_huffsym grpc_chttp2_huffsyms[GRPC_CHTTP2_NUM_HUFFSYMS] = {
+    {0x1ff8, 13},     {0x7fffd8, 23},   {0xfffffe2, 28},  {0xfffffe3, 28},
+    {0xfffffe4, 28},  {0xfffffe5, 28},  {0xfffffe6, 28},  {0xfffffe7, 28},
+    {0xfffffe8, 28},  {0xffffea, 24},   {0x3ffffffc, 30}, {0xfffffe9, 28},
+    {0xfffffea, 28},  {0x3ffffffd, 30}, {0xfffffeb, 28},  {0xfffffec, 28},
+    {0xfffffed, 28},  {0xfffffee, 28},  {0xfffffef, 28},  {0xffffff0, 28},
+    {0xffffff1, 28},  {0xffffff2, 28},  {0x3ffffffe, 30}, {0xffffff3, 28},
+    {0xffffff4, 28},  {0xffffff5, 28},  {0xffffff6, 28},  {0xffffff7, 28},
+    {0xffffff8, 28},  {0xffffff9, 28},  {0xffffffa, 28},  {0xffffffb, 28},
+    {0x14, 6},        {0x3f8, 10},      {0x3f9, 10},      {0xffa, 12},
+    {0x1ff9, 13},     {0x15, 6},        {0xf8, 8},        {0x7fa, 11},
+    {0x3fa, 10},      {0x3fb, 10},      {0xf9, 8},        {0x7fb, 11},
+    {0xfa, 8},        {0x16, 6},        {0x17, 6},        {0x18, 6},
+    {0x0, 5},         {0x1, 5},         {0x2, 5},         {0x19, 6},
+    {0x1a, 6},        {0x1b, 6},        {0x1c, 6},        {0x1d, 6},
+    {0x1e, 6},        {0x1f, 6},        {0x5c, 7},        {0xfb, 8},
+    {0x7ffc, 15},     {0x20, 6},        {0xffb, 12},      {0x3fc, 10},
+    {0x1ffa, 13},     {0x21, 6},        {0x5d, 7},        {0x5e, 7},
+    {0x5f, 7},        {0x60, 7},        {0x61, 7},        {0x62, 7},
+    {0x63, 7},        {0x64, 7},        {0x65, 7},        {0x66, 7},
+    {0x67, 7},        {0x68, 7},        {0x69, 7},        {0x6a, 7},
+    {0x6b, 7},        {0x6c, 7},        {0x6d, 7},        {0x6e, 7},
+    {0x6f, 7},        {0x70, 7},        {0x71, 7},        {0x72, 7},
+    {0xfc, 8},        {0x73, 7},        {0xfd, 8},        {0x1ffb, 13},
+    {0x7fff0, 19},    {0x1ffc, 13},     {0x3ffc, 14},     {0x22, 6},
+    {0x7ffd, 15},     {0x3, 5},         {0x23, 6},        {0x4, 5},
+    {0x24, 6},        {0x5, 5},         {0x25, 6},        {0x26, 6},
+    {0x27, 6},        {0x6, 5},         {0x74, 7},        {0x75, 7},
+    {0x28, 6},        {0x29, 6},        {0x2a, 6},        {0x7, 5},
+    {0x2b, 6},        {0x76, 7},        {0x2c, 6},        {0x8, 5},
+    {0x9, 5},         {0x2d, 6},        {0x77, 7},        {0x78, 7},
+    {0x79, 7},        {0x7a, 7},        {0x7b, 7},        {0x7ffe, 15},
+    {0x7fc, 11},      {0x3ffd, 14},     {0x1ffd, 13},     {0xffffffc, 28},
+    {0xfffe6, 20},    {0x3fffd2, 22},   {0xfffe7, 20},    {0xfffe8, 20},
+    {0x3fffd3, 22},   {0x3fffd4, 22},   {0x3fffd5, 22},   {0x7fffd9, 23},
+    {0x3fffd6, 22},   {0x7fffda, 23},   {0x7fffdb, 23},   {0x7fffdc, 23},
+    {0x7fffdd, 23},   {0x7fffde, 23},   {0xffffeb, 24},   {0x7fffdf, 23},
+    {0xffffec, 24},   {0xffffed, 24},   {0x3fffd7, 22},   {0x7fffe0, 23},
+    {0xffffee, 24},   {0x7fffe1, 23},   {0x7fffe2, 23},   {0x7fffe3, 23},
+    {0x7fffe4, 23},   {0x1fffdc, 21},   {0x3fffd8, 22},   {0x7fffe5, 23},
+    {0x3fffd9, 22},   {0x7fffe6, 23},   {0x7fffe7, 23},   {0xffffef, 24},
+    {0x3fffda, 22},   {0x1fffdd, 21},   {0xfffe9, 20},    {0x3fffdb, 22},
+    {0x3fffdc, 22},   {0x7fffe8, 23},   {0x7fffe9, 23},   {0x1fffde, 21},
+    {0x7fffea, 23},   {0x3fffdd, 22},   {0x3fffde, 22},   {0xfffff0, 24},
+    {0x1fffdf, 21},   {0x3fffdf, 22},   {0x7fffeb, 23},   {0x7fffec, 23},
+    {0x1fffe0, 21},   {0x1fffe1, 21},   {0x3fffe0, 22},   {0x1fffe2, 21},
+    {0x7fffed, 23},   {0x3fffe1, 22},   {0x7fffee, 23},   {0x7fffef, 23},
+    {0xfffea, 20},    {0x3fffe2, 22},   {0x3fffe3, 22},   {0x3fffe4, 22},
+    {0x7ffff0, 23},   {0x3fffe5, 22},   {0x3fffe6, 22},   {0x7ffff1, 23},
+    {0x3ffffe0, 26},  {0x3ffffe1, 26},  {0xfffeb, 20},    {0x7fff1, 19},
+    {0x3fffe7, 22},   {0x7ffff2, 23},   {0x3fffe8, 22},   {0x1ffffec, 25},
+    {0x3ffffe2, 26},  {0x3ffffe3, 26},  {0x3ffffe4, 26},  {0x7ffffde, 27},
+    {0x7ffffdf, 27},  {0x3ffffe5, 26},  {0xfffff1, 24},   {0x1ffffed, 25},
+    {0x7fff2, 19},    {0x1fffe3, 21},   {0x3ffffe6, 26},  {0x7ffffe0, 27},
+    {0x7ffffe1, 27},  {0x3ffffe7, 26},  {0x7ffffe2, 27},  {0xfffff2, 24},
+    {0x1fffe4, 21},   {0x1fffe5, 21},   {0x3ffffe8, 26},  {0x3ffffe9, 26},
+    {0xffffffd, 28},  {0x7ffffe3, 27},  {0x7ffffe4, 27},  {0x7ffffe5, 27},
+    {0xfffec, 20},    {0xfffff3, 24},   {0xfffed, 20},    {0x1fffe6, 21},
+    {0x3fffe9, 22},   {0x1fffe7, 21},   {0x1fffe8, 21},   {0x7ffff3, 23},
+    {0x3fffea, 22},   {0x3fffeb, 22},   {0x1ffffee, 25},  {0x1ffffef, 25},
+    {0xfffff4, 24},   {0xfffff5, 24},   {0x3ffffea, 26},  {0x7ffff4, 23},
+    {0x3ffffeb, 26},  {0x7ffffe6, 27},  {0x3ffffec, 26},  {0x3ffffed, 26},
+    {0x7ffffe7, 27},  {0x7ffffe8, 27},  {0x7ffffe9, 27},  {0x7ffffea, 27},
+    {0x7ffffeb, 27},  {0xffffffe, 28},  {0x7ffffec, 27},  {0x7ffffed, 27},
+    {0x7ffffee, 27},  {0x7ffffef, 27},  {0x7fffff0, 27},  {0x3ffffee, 26},
+    {0x3fffffff, 30},
+};
diff --git a/src/core/transport/chttp2/huffsyms.h b/src/core/ext/transport/chttp2/transport/huffsyms.h
similarity index 90%
rename from src/core/transport/chttp2/huffsyms.h
rename to src/core/ext/transport/chttp2/transport/huffsyms.h
index a3cdba8235a1a75820a41050391e1fba87a7cb79..fee00954a0e02635c37cd963a98e88baf4f6558d 100644
--- a/src/core/transport/chttp2/huffsyms.h
+++ b/src/core/ext/transport/chttp2/transport/huffsyms.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HUFFSYMS_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HUFFSYMS_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HUFFSYMS_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HUFFSYMS_H
 
 /* HPACK static huffman table */
 
@@ -45,4 +45,4 @@ typedef struct {
 
 extern const grpc_chttp2_huffsym grpc_chttp2_huffsyms[GRPC_CHTTP2_NUM_HUFFSYMS];
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HUFFSYMS_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HUFFSYMS_H */
diff --git a/src/core/transport/chttp2/incoming_metadata.c b/src/core/ext/transport/chttp2/transport/incoming_metadata.c
similarity index 96%
rename from src/core/transport/chttp2/incoming_metadata.c
rename to src/core/ext/transport/chttp2/transport/incoming_metadata.c
index 315bc2faa19c4b3a48097d1461e0f866a1244ff0..db21744f0c0281a04f31bbf6cc16f55842f7d1c2 100644
--- a/src/core/transport/chttp2/incoming_metadata.c
+++ b/src/core/ext/transport/chttp2/transport/incoming_metadata.c
@@ -31,11 +31,11 @@
  *
  */
 
-#include "src/core/transport/chttp2/incoming_metadata.h"
+#include "src/core/ext/transport/chttp2/transport/incoming_metadata.h"
 
 #include <string.h>
 
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
diff --git a/src/core/transport/chttp2/incoming_metadata.h b/src/core/ext/transport/chttp2/transport/incoming_metadata.h
similarity index 90%
rename from src/core/transport/chttp2/incoming_metadata.h
rename to src/core/ext/transport/chttp2/transport/incoming_metadata.h
index ea74cfc64b2a7cd57cb977dd477341b8fea886c8..17ecf8e1811ff0a4113e64abbe4f1e0580cf6ec8 100644
--- a/src/core/transport/chttp2/incoming_metadata.h
+++ b/src/core/ext/transport/chttp2/transport/incoming_metadata.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHTTP2_INCOMING_METADATA_H
-#define GRPC_INTERNAL_CORE_CHTTP2_INCOMING_METADATA_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INCOMING_METADATA_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INCOMING_METADATA_H
 
-#include "src/core/transport/transport.h"
+#include "src/core/lib/transport/transport.h"
 
 typedef struct {
   grpc_linked_mdelem *elems;
@@ -57,4 +57,4 @@ void grpc_chttp2_incoming_metadata_buffer_add(
 void grpc_chttp2_incoming_metadata_buffer_set_deadline(
     grpc_chttp2_incoming_metadata_buffer *buffer, gpr_timespec deadline);
 
-#endif /* GRPC_INTERNAL_CORE_CHTTP2_INCOMING_METADATA_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INCOMING_METADATA_H */
diff --git a/src/core/transport/chttp2/internal.h b/src/core/ext/transport/chttp2/transport/internal.h
similarity index 95%
rename from src/core/transport/chttp2/internal.h
rename to src/core/ext/transport/chttp2/transport/internal.h
index b720d1ab3e5a64cdb369ac83fcc375f9bff56c4d..98cd38abd43c2c2b681c2cf803e28af595100938 100644
--- a/src/core/transport/chttp2/internal.h
+++ b/src/core/ext/transport/chttp2/transport/internal.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,26 +31,26 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHTTP2_INTERNAL_H
-#define GRPC_INTERNAL_CORE_CHTTP2_INTERNAL_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INTERNAL_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INTERNAL_H
 
 #include <assert.h>
 #include <stdbool.h>
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/transport/chttp2/frame.h"
-#include "src/core/transport/chttp2/frame_data.h"
-#include "src/core/transport/chttp2/frame_goaway.h"
-#include "src/core/transport/chttp2/frame_ping.h"
-#include "src/core/transport/chttp2/frame_rst_stream.h"
-#include "src/core/transport/chttp2/frame_settings.h"
-#include "src/core/transport/chttp2/frame_window_update.h"
-#include "src/core/transport/chttp2/hpack_encoder.h"
-#include "src/core/transport/chttp2/hpack_parser.h"
-#include "src/core/transport/chttp2/incoming_metadata.h"
-#include "src/core/transport/chttp2/stream_map.h"
-#include "src/core/transport/connectivity_state.h"
-#include "src/core/transport/transport_impl.h"
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/ext/transport/chttp2/transport/frame_data.h"
+#include "src/core/ext/transport/chttp2/transport/frame_goaway.h"
+#include "src/core/ext/transport/chttp2/transport/frame_ping.h"
+#include "src/core/ext/transport/chttp2/transport/frame_rst_stream.h"
+#include "src/core/ext/transport/chttp2/transport/frame_settings.h"
+#include "src/core/ext/transport/chttp2/transport/frame_window_update.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
+#include "src/core/ext/transport/chttp2/transport/incoming_metadata.h"
+#include "src/core/ext/transport/chttp2/transport/stream_map.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/transport/connectivity_state.h"
+#include "src/core/lib/transport/transport_impl.h"
 
 typedef struct grpc_chttp2_transport grpc_chttp2_transport;
 typedef struct grpc_chttp2_stream grpc_chttp2_stream;
@@ -394,6 +394,9 @@ typedef struct {
   grpc_metadata_batch *recv_trailing_metadata;
   grpc_closure *recv_trailing_metadata_finished;
 
+  grpc_transport_stream_stats *collecting_stats;
+  grpc_transport_stream_stats stats;
+
   /** when the application requests writes be closed, the write_closed is
       'queued'; when the close is flow controlled into the send path, we are
       'sending' it; when the write has been performed it is 'sent' */
@@ -435,6 +438,8 @@ typedef struct {
   gpr_slice fetching_slice;
   size_t stream_fetched;
   grpc_closure finished_fetch;
+  /** stats gathered during the write */
+  grpc_transport_one_way_stats stats;
 } grpc_chttp2_stream_writing;
 
 struct grpc_chttp2_stream_parsing {
@@ -460,6 +465,8 @@ struct grpc_chttp2_stream_parsing {
   int64_t outgoing_window;
   /** number of bytes received - reset at end of parse thread execution */
   int64_t received_bytes;
+  /** stats gathered during the parse */
+  grpc_transport_stream_stats stats;
 
   /** incoming metadata */
   grpc_chttp2_incoming_metadata_buffer metadata_buffer[2];
@@ -635,6 +642,7 @@ void grpc_chttp2_parsing_become_skip_parser(
     grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing);
 
 void grpc_chttp2_complete_closure_step(grpc_exec_ctx *exec_ctx,
+                                       grpc_chttp2_stream_global *stream_global,
                                        grpc_closure **pclosure, int success);
 
 #define GRPC_CHTTP2_CLIENT_CONNECT_STRING "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
@@ -777,4 +785,4 @@ void grpc_chttp2_ack_ping(grpc_exec_ctx *exec_ctx,
 void grpc_chttp2_become_writable(grpc_chttp2_transport_global *transport_global,
                                  grpc_chttp2_stream_global *stream_global);
 
-#endif
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INTERNAL_H */
diff --git a/src/core/transport/chttp2/parsing.c b/src/core/ext/transport/chttp2/transport/parsing.c
similarity index 95%
rename from src/core/transport/chttp2/parsing.c
rename to src/core/ext/transport/chttp2/transport/parsing.c
index 0516f39fa9ef83f84cf64a3e0e22c8cb839d7a14..e827a43f7a4ff474809eaf56c02d5c91e385ea4f 100644
--- a/src/core/transport/chttp2/parsing.c
+++ b/src/core/ext/transport/chttp2/transport/parsing.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <string.h>
 
@@ -39,11 +39,11 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/profiling/timers.h"
-#include "src/core/transport/chttp2/http2_errors.h"
-#include "src/core/transport/chttp2/status_conversion.h"
-#include "src/core/transport/chttp2/timeout_encoding.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
+#include "src/core/ext/transport/chttp2/transport/status_conversion.h"
+#include "src/core/ext/transport/chttp2/transport/timeout_encoding.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 static int init_frame_parser(grpc_exec_ctx *exec_ctx,
                              grpc_chttp2_transport_parsing *transport_parsing);
@@ -112,7 +112,7 @@ void grpc_chttp2_publish_reads(
      GOAWAY last-grpc_chttp2_stream-id=0 in this case. */
   if (!transport_parsing->is_client) {
     transport_global->last_incoming_stream_id =
-        transport_parsing->incoming_stream_id;
+        transport_parsing->last_incoming_stream_id;
   }
 
   /* update global settings */
@@ -171,6 +171,9 @@ void grpc_chttp2_publish_reads(
       grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
     }
 
+    /* flush stats to global stream state */
+    grpc_transport_move_stats(&stream_parsing->stats, &stream_global->stats);
+
     /* update outgoing flow control window */
     was_zero = stream_global->outgoing_window <= 0;
     GRPC_CHTTP2_FLOW_MOVE_STREAM("parsed", transport_global, stream_global,
@@ -368,7 +371,9 @@ int grpc_chttp2_perform_read(grpc_exec_ctx *exec_ctx,
       if (!init_frame_parser(exec_ctx, transport_parsing)) {
         return 0;
       }
-      if (transport_parsing->incoming_stream_id) {
+      if (transport_parsing->incoming_stream_id != 0 &&
+          transport_parsing->incoming_stream_id >
+              transport_parsing->last_incoming_stream_id) {
         transport_parsing->last_incoming_stream_id =
             transport_parsing->incoming_stream_id;
       }
@@ -544,8 +549,13 @@ static int init_data_frame_parser(
       grpc_chttp2_parsing_lookup_stream(transport_parsing,
                                         transport_parsing->incoming_stream_id);
   grpc_chttp2_parse_error err = GRPC_CHTTP2_PARSE_OK;
-  if (!stream_parsing || stream_parsing->received_close)
+  if (stream_parsing == NULL) {
     return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
+  }
+  stream_parsing->stats.incoming.framing_bytes += 9;
+  if (stream_parsing->received_close) {
+    return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
+  }
   if (err == GRPC_CHTTP2_PARSE_OK) {
     err = update_incoming_window(exec_ctx, transport_parsing, stream_parsing);
   }
@@ -566,7 +576,8 @@ static int init_data_frame_parser(
       gpr_slice_buffer_add(
           &transport_parsing->qbuf,
           grpc_chttp2_rst_stream_create(transport_parsing->incoming_stream_id,
-                                        GRPC_CHTTP2_PROTOCOL_ERROR));
+                                        GRPC_CHTTP2_PROTOCOL_ERROR,
+                                        &stream_parsing->stats.outgoing));
       return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
     case GRPC_CHTTP2_CONNECTION_ERROR:
       return 0;
@@ -717,6 +728,7 @@ static int init_header_frame_parser(
     transport_parsing->incoming_stream = stream_parsing;
   }
   GPR_ASSERT(stream_parsing != NULL && (via_accept == 0 || via_accept == 1));
+  stream_parsing->stats.incoming.framing_bytes += 9;
   if (stream_parsing->received_close) {
     gpr_log(GPR_ERROR, "skipping already closed grpc_chttp2_stream header");
     transport_parsing->incoming_stream = NULL;
@@ -752,9 +764,14 @@ static int init_window_update_frame_parser(
                                        &transport_parsing->simple.window_update,
                                        transport_parsing->incoming_frame_size,
                                        transport_parsing->incoming_frame_flags);
-  if (transport_parsing->incoming_stream_id) {
-    transport_parsing->incoming_stream = grpc_chttp2_parsing_lookup_stream(
-        transport_parsing, transport_parsing->incoming_stream_id);
+  if (transport_parsing->incoming_stream_id != 0) {
+    grpc_chttp2_stream_parsing *stream_parsing =
+        transport_parsing->incoming_stream = grpc_chttp2_parsing_lookup_stream(
+            transport_parsing, transport_parsing->incoming_stream_id);
+    if (stream_parsing == NULL) {
+      return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
+    }
+    stream_parsing->stats.incoming.framing_bytes += 9;
   }
   transport_parsing->parser = grpc_chttp2_window_update_parser_parse;
   transport_parsing->parser_data = &transport_parsing->simple.window_update;
@@ -778,11 +795,13 @@ static int init_rst_stream_parser(
                                        &transport_parsing->simple.rst_stream,
                                        transport_parsing->incoming_frame_size,
                                        transport_parsing->incoming_frame_flags);
-  transport_parsing->incoming_stream = grpc_chttp2_parsing_lookup_stream(
-      transport_parsing, transport_parsing->incoming_stream_id);
+  grpc_chttp2_stream_parsing *stream_parsing =
+      transport_parsing->incoming_stream = grpc_chttp2_parsing_lookup_stream(
+          transport_parsing, transport_parsing->incoming_stream_id);
   if (!transport_parsing->incoming_stream) {
     return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
   }
+  stream_parsing->stats.incoming.framing_bytes += 9;
   transport_parsing->parser = grpc_chttp2_rst_stream_parser_parse;
   transport_parsing->parser_data = &transport_parsing->simple.rst_stream;
   return ok;
@@ -856,7 +875,8 @@ static int parse_frame_slice(grpc_exec_ctx *exec_ctx,
         gpr_slice_buffer_add(
             &transport_parsing->qbuf,
             grpc_chttp2_rst_stream_create(transport_parsing->incoming_stream_id,
-                                          GRPC_CHTTP2_PROTOCOL_ERROR));
+                                          GRPC_CHTTP2_PROTOCOL_ERROR,
+                                          &stream_parsing->stats.outgoing));
       }
       return 1;
     case GRPC_CHTTP2_CONNECTION_ERROR:
diff --git a/src/core/transport/chttp2/status_conversion.c b/src/core/ext/transport/chttp2/transport/status_conversion.c
similarity index 98%
rename from src/core/transport/chttp2/status_conversion.c
rename to src/core/ext/transport/chttp2/transport/status_conversion.c
index bf214b017a21bcf3e5194271a697676f7bc09a26..c42fb9b3a1e49e56d077de51cdb9af6565de46ee 100644
--- a/src/core/transport/chttp2/status_conversion.c
+++ b/src/core/ext/transport/chttp2/transport/status_conversion.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/status_conversion.h"
+#include "src/core/ext/transport/chttp2/transport/status_conversion.h"
 
 int grpc_chttp2_grpc_status_to_http2_error(grpc_status_code status) {
   switch (status) {
diff --git a/src/core/transport/chttp2/status_conversion.h b/src/core/ext/transport/chttp2/transport/status_conversion.h
similarity index 88%
rename from src/core/transport/chttp2/status_conversion.h
rename to src/core/ext/transport/chttp2/transport/status_conversion.h
index 0ec5b560b8ed0df1f4010abd79d876d91c260eea..e7285e6fd51125e805877cf381c232024aaa4929 100644
--- a/src/core/transport/chttp2/status_conversion.h
+++ b/src/core/ext/transport/chttp2/transport/status_conversion.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STATUS_CONVERSION_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STATUS_CONVERSION_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STATUS_CONVERSION_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STATUS_CONVERSION_H
 
 #include <grpc/grpc.h>
-#include "src/core/transport/chttp2/http2_errors.h"
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
 
 /* Conversion of grpc status codes to http2 error codes (for RST_STREAM) */
 grpc_chttp2_error_code grpc_chttp2_grpc_status_to_http2_error(
@@ -47,4 +47,4 @@ grpc_status_code grpc_chttp2_http2_error_to_grpc_status(
 grpc_status_code grpc_chttp2_http2_status_to_grpc_status(int status);
 int grpc_chttp2_grpc_status_to_http2_status(grpc_status_code status);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STATUS_CONVERSION_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STATUS_CONVERSION_H */
diff --git a/src/core/transport/chttp2/stream_lists.c b/src/core/ext/transport/chttp2/transport/stream_lists.c
similarity index 99%
rename from src/core/transport/chttp2/stream_lists.c
rename to src/core/ext/transport/chttp2/transport/stream_lists.c
index 60fe735cfce9aa7327c5b90267154321780056d2..e5b35aadca032d766f37d75257931a74ed7de326 100644
--- a/src/core/transport/chttp2/stream_lists.c
+++ b/src/core/ext/transport/chttp2/transport/stream_lists.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <grpc/support/log.h>
 
diff --git a/src/core/transport/chttp2/stream_map.c b/src/core/ext/transport/chttp2/transport/stream_map.c
similarity index 98%
rename from src/core/transport/chttp2/stream_map.c
rename to src/core/ext/transport/chttp2/transport/stream_map.c
index 555a16fb72bd7bd477d41c3ab7bdfd9a84edce56..f70791c42275d131f4524e2e07698ee9c766beac 100644
--- a/src/core/transport/chttp2/stream_map.c
+++ b/src/core/ext/transport/chttp2/transport/stream_map.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/stream_map.h"
+#include "src/core/ext/transport/chttp2/transport/stream_map.h"
 
 #include <string.h>
 
diff --git a/src/core/transport/chttp2/stream_map.h b/src/core/ext/transport/chttp2/transport/stream_map.h
similarity index 94%
rename from src/core/transport/chttp2/stream_map.h
rename to src/core/ext/transport/chttp2/transport/stream_map.h
index 7a0e45fab2ca14c4757350d3d3ddc13b48fd88cc..b1d59ca6a36fd1c2b669900efee86a91656ffffb 100644
--- a/src/core/transport/chttp2/stream_map.h
+++ b/src/core/ext/transport/chttp2/transport/stream_map.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STREAM_MAP_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STREAM_MAP_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STREAM_MAP_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STREAM_MAP_H
 
 #include <grpc/support/port_platform.h>
 
@@ -81,4 +81,4 @@ void grpc_chttp2_stream_map_for_each(grpc_chttp2_stream_map *map,
                                                void *value),
                                      void *user_data);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STREAM_MAP_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STREAM_MAP_H */
diff --git a/src/core/transport/chttp2/timeout_encoding.c b/src/core/ext/transport/chttp2/transport/timeout_encoding.c
similarity index 96%
rename from src/core/transport/chttp2/timeout_encoding.c
rename to src/core/ext/transport/chttp2/transport/timeout_encoding.c
index a6f7081d21b96427cd9b9749efbb5f5f9d013475..b7f79124939b25e4e4047157cdf96a93a2817193 100644
--- a/src/core/transport/chttp2/timeout_encoding.c
+++ b/src/core/ext/transport/chttp2/transport/timeout_encoding.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,13 +31,13 @@
  *
  */
 
-#include "src/core/transport/chttp2/timeout_encoding.h"
+#include "src/core/ext/transport/chttp2/transport/timeout_encoding.h"
 
 #include <stdio.h>
 #include <string.h>
 
 #include <grpc/support/port_platform.h>
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 static int64_t round_up(int64_t x, int64_t divisor) {
   return (x / divisor + (x % divisor != 0)) * divisor;
@@ -150,7 +150,7 @@ int grpc_chttp2_decode_timeout(const char *buffer, gpr_timespec *timeout) {
     /* spec allows max. 8 digits, but we allow values up to 1,000,000,000 */
     if (x >= (100 * 1000 * 1000)) {
       if (x != (100 * 1000 * 1000) || digit != 0) {
-        *timeout = gpr_inf_future(GPR_CLOCK_REALTIME);
+        *timeout = gpr_inf_future(GPR_TIMESPAN);
         return 1;
       }
     }
diff --git a/src/core/transport/chttp2/timeout_encoding.h b/src/core/ext/transport/chttp2/transport/timeout_encoding.h
similarity index 88%
rename from src/core/transport/chttp2/timeout_encoding.h
rename to src/core/ext/transport/chttp2/transport/timeout_encoding.h
index 9d8756e799d3d8112cfff1c99cf47b2072403600..df2324c7912e196f1b0adda7f554c1111b699dca 100644
--- a/src/core/transport/chttp2/timeout_encoding.h
+++ b/src/core/ext/transport/chttp2/transport/timeout_encoding.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_TIMEOUT_ENCODING_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_TIMEOUT_ENCODING_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_TIMEOUT_ENCODING_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_TIMEOUT_ENCODING_H
 
-#include "src/core/support/string.h"
 #include <grpc/support/time.h>
+#include "src/core/lib/support/string.h"
 
 #define GRPC_CHTTP2_TIMEOUT_ENCODE_MIN_BUFSIZE (GPR_LTOA_MIN_BUFSIZE + 1)
 
@@ -44,4 +44,4 @@
 void grpc_chttp2_encode_timeout(gpr_timespec timeout, char *buffer);
 int grpc_chttp2_decode_timeout(const char *buffer, gpr_timespec *timeout);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_TIMEOUT_ENCODING_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_TIMEOUT_ENCODING_H */
diff --git a/src/core/transport/chttp2/varint.c b/src/core/ext/transport/chttp2/transport/varint.c
similarity index 97%
rename from src/core/transport/chttp2/varint.c
rename to src/core/ext/transport/chttp2/transport/varint.c
index 1cc235e9899ec7c095fc0cbaa3bfe7a6ce46271f..e434ad3c07260935dabdcfdd6db78666787330c0 100644
--- a/src/core/transport/chttp2/varint.c
+++ b/src/core/ext/transport/chttp2/transport/varint.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/varint.h"
+#include "src/core/ext/transport/chttp2/transport/varint.h"
 
 uint32_t grpc_chttp2_hpack_varint_length(uint32_t tail_value) {
   if (tail_value < (1 << 7)) {
diff --git a/src/core/transport/chttp2/varint.h b/src/core/ext/transport/chttp2/transport/varint.h
similarity index 95%
rename from src/core/transport/chttp2/varint.h
rename to src/core/ext/transport/chttp2/transport/varint.h
index 2d92b6693e9c87f28dbd506a2da78e8606edfd22..450e5fd119147b17ce14a6e0f93724b99717a3f9 100644
--- a/src/core/transport/chttp2/varint.h
+++ b/src/core/ext/transport/chttp2/transport/varint.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_VARINT_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_VARINT_H
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_VARINT_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_VARINT_H
 
 #include <grpc/support/port_platform.h>
 
@@ -72,4 +72,4 @@ void grpc_chttp2_hpack_write_varint_tail(uint32_t tail_value, uint8_t* target,
     }                                                                         \
   } while (0)
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_VARINT_H */
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_VARINT_H */
diff --git a/src/core/transport/chttp2/writing.c b/src/core/ext/transport/chttp2/transport/writing.c
similarity index 90%
rename from src/core/transport/chttp2/writing.c
rename to src/core/ext/transport/chttp2/transport/writing.c
index 107725cbc797555d8e8d46d05f808faa84a1cc34..a8fb463939a1d9e7f881d6b5612b844087cb7557 100644
--- a/src/core/transport/chttp2/writing.c
+++ b/src/core/ext/transport/chttp2/transport/writing.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,14 +31,14 @@
  *
  */
 
-#include "src/core/transport/chttp2/internal.h"
+#include "src/core/ext/transport/chttp2/transport/internal.h"
 
 #include <limits.h>
 
 #include <grpc/support/log.h>
 
-#include "src/core/profiling/timers.h"
-#include "src/core/transport/chttp2/http2_errors.h"
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
+#include "src/core/lib/profiling/timers.h"
 
 static void finalize_outbuf(grpc_exec_ctx *exec_ctx,
                             grpc_chttp2_transport_writing *transport_writing);
@@ -161,8 +161,10 @@ int grpc_chttp2_unlocking_check_writes(
         transport_global->announce_incoming_window, UINT32_MAX);
     GRPC_CHTTP2_FLOW_DEBIT_TRANSPORT("write", transport_global,
                                      announce_incoming_window, announced);
-    gpr_slice_buffer_add(&transport_writing->outbuf,
-                         grpc_chttp2_window_update_create(0, announced));
+    grpc_transport_one_way_stats throwaway_stats;
+    gpr_slice_buffer_add(
+        &transport_writing->outbuf,
+        grpc_chttp2_window_update_create(0, announced, &throwaway_stats));
   }
 
   GPR_TIMER_END("grpc_chttp2_unlocking_check_writes", 0);
@@ -205,7 +207,8 @@ static void finalize_outbuf(grpc_exec_ctx *exec_ctx,
     if (stream_writing->send_initial_metadata != NULL) {
       grpc_chttp2_encode_header(
           &transport_writing->hpack_compressor, stream_writing->id,
-          stream_writing->send_initial_metadata, 0, &transport_writing->outbuf);
+          stream_writing->send_initial_metadata, 0, &stream_writing->stats,
+          &transport_writing->outbuf);
       stream_writing->send_initial_metadata = NULL;
       stream_writing->sent_initial_metadata = 1;
     }
@@ -216,7 +219,8 @@ static void finalize_outbuf(grpc_exec_ctx *exec_ctx,
       gpr_slice_buffer_add(
           &transport_writing->outbuf,
           grpc_chttp2_window_update_create(stream_writing->id,
-                                           stream_writing->announce_window));
+                                           stream_writing->announce_window,
+                                           &stream_writing->stats));
       GRPC_CHTTP2_FLOW_DEBIT_STREAM("write", transport_writing, stream_writing,
                                     announce_window, announce);
       stream_writing->announce_window = 0;
@@ -255,7 +259,8 @@ static void finalize_outbuf(grpc_exec_ctx *exec_ctx,
                                 stream_writing->send_trailing_metadata);
         grpc_chttp2_encode_data(
             stream_writing->id, &stream_writing->flow_controlled_buffer,
-            send_bytes, is_last_frame, &transport_writing->outbuf);
+            send_bytes, is_last_frame, &stream_writing->stats,
+            &transport_writing->outbuf);
         GRPC_CHTTP2_FLOW_DEBIT_STREAM("write", transport_writing,
                                       stream_writing, outgoing_window,
                                       send_bytes);
@@ -281,19 +286,20 @@ static void finalize_outbuf(grpc_exec_ctx *exec_ctx,
         stream_writing->send_trailing_metadata != NULL) {
       if (grpc_metadata_batch_is_empty(
               stream_writing->send_trailing_metadata)) {
-        grpc_chttp2_encode_data(stream_writing->id,
-                                &stream_writing->flow_controlled_buffer, 0, 1,
-                                &transport_writing->outbuf);
+        grpc_chttp2_encode_data(
+            stream_writing->id, &stream_writing->flow_controlled_buffer, 0, 1,
+            &stream_writing->stats, &transport_writing->outbuf);
       } else {
-        grpc_chttp2_encode_header(&transport_writing->hpack_compressor,
-                                  stream_writing->id,
-                                  stream_writing->send_trailing_metadata, 1,
-                                  &transport_writing->outbuf);
+        grpc_chttp2_encode_header(
+            &transport_writing->hpack_compressor, stream_writing->id,
+            stream_writing->send_trailing_metadata, 1, &stream_writing->stats,
+            &transport_writing->outbuf);
       }
       if (!transport_writing->is_client && !stream_writing->read_closed) {
         gpr_slice_buffer_add(&transport_writing->outbuf,
                              grpc_chttp2_rst_stream_create(
-                                 stream_writing->id, GRPC_CHTTP2_NO_ERROR));
+                                 stream_writing->id, GRPC_CHTTP2_NO_ERROR,
+                                 &stream_writing->stats));
       }
       stream_writing->send_trailing_metadata = NULL;
       stream_writing->sent_trailing_metadata = 1;
@@ -328,17 +334,21 @@ void grpc_chttp2_cleanup_writing(
       transport_global, transport_writing, &stream_global, &stream_writing)) {
     if (stream_writing->sent_initial_metadata) {
       grpc_chttp2_complete_closure_step(
-          exec_ctx, &stream_global->send_initial_metadata_finished, 1);
+          exec_ctx, stream_global,
+          &stream_global->send_initial_metadata_finished, 1);
     }
+    grpc_transport_move_one_way_stats(&stream_writing->stats,
+                                      &stream_global->stats.outgoing);
     if (stream_writing->sent_message) {
       GPR_ASSERT(stream_writing->send_message == NULL);
       grpc_chttp2_complete_closure_step(
-          exec_ctx, &stream_global->send_message_finished, 1);
+          exec_ctx, stream_global, &stream_global->send_message_finished, 1);
       stream_writing->sent_message = 0;
     }
     if (stream_writing->sent_trailing_metadata) {
       grpc_chttp2_complete_closure_step(
-          exec_ctx, &stream_global->send_trailing_metadata_finished, 1);
+          exec_ctx, stream_global,
+          &stream_global->send_trailing_metadata_finished, 1);
     }
     if (stream_writing->sent_trailing_metadata) {
       grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global,
diff --git a/src/core/httpcli/parser.c b/src/core/httpcli/parser.c
deleted file mode 100644
index c314f025a001cc66c8dc5bf910102dc746c453a1..0000000000000000000000000000000000000000
--- a/src/core/httpcli/parser.c
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/httpcli/parser.h"
-
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/useful.h>
-
-static int handle_response_line(grpc_httpcli_parser *parser) {
-  uint8_t *beg = parser->cur_line;
-  uint8_t *cur = beg;
-  uint8_t *end = beg + parser->cur_line_length;
-
-  if (cur == end || *cur++ != 'H') goto error;
-  if (cur == end || *cur++ != 'T') goto error;
-  if (cur == end || *cur++ != 'T') goto error;
-  if (cur == end || *cur++ != 'P') goto error;
-  if (cur == end || *cur++ != '/') goto error;
-  if (cur == end || *cur++ != '1') goto error;
-  if (cur == end || *cur++ != '.') goto error;
-  if (cur == end || *cur < '0' || *cur++ > '1') goto error;
-  if (cur == end || *cur++ != ' ') goto error;
-  if (cur == end || *cur < '1' || *cur++ > '9') goto error;
-  if (cur == end || *cur < '0' || *cur++ > '9') goto error;
-  if (cur == end || *cur < '0' || *cur++ > '9') goto error;
-  parser->r.status =
-      (cur[-3] - '0') * 100 + (cur[-2] - '0') * 10 + (cur[-1] - '0');
-  if (cur == end || *cur++ != ' ') goto error;
-
-  /* we don't really care about the status code message */
-
-  return 1;
-
-error:
-  gpr_log(GPR_ERROR, "Failed parsing response line");
-  return 0;
-}
-
-static char *buf2str(void *buffer, size_t length) {
-  char *out = gpr_malloc(length + 1);
-  memcpy(out, buffer, length);
-  out[length] = 0;
-  return out;
-}
-
-static int add_header(grpc_httpcli_parser *parser) {
-  uint8_t *beg = parser->cur_line;
-  uint8_t *cur = beg;
-  uint8_t *end = beg + parser->cur_line_length;
-  grpc_httpcli_header hdr = {NULL, NULL};
-
-  GPR_ASSERT(cur != end);
-
-  if (*cur == ' ' || *cur == '\t') {
-    gpr_log(GPR_ERROR, "Continued header lines not supported yet");
-    goto error;
-  }
-
-  while (cur != end && *cur != ':') {
-    cur++;
-  }
-  if (cur == end) {
-    gpr_log(GPR_ERROR, "Didn't find ':' in header string");
-    goto error;
-  }
-  GPR_ASSERT(cur >= beg);
-  hdr.key = buf2str(beg, (size_t)(cur - beg));
-  cur++; /* skip : */
-
-  while (cur != end && (*cur == ' ' || *cur == '\t')) {
-    cur++;
-  }
-  GPR_ASSERT(end - cur >= 2);
-  hdr.value = buf2str(cur, (size_t)(end - cur) - 2);
-
-  if (parser->r.hdr_count == parser->hdr_capacity) {
-    parser->hdr_capacity =
-        GPR_MAX(parser->hdr_capacity + 1, parser->hdr_capacity * 3 / 2);
-    parser->r.hdrs = gpr_realloc(
-        parser->r.hdrs, parser->hdr_capacity * sizeof(*parser->r.hdrs));
-  }
-  parser->r.hdrs[parser->r.hdr_count++] = hdr;
-  return 1;
-
-error:
-  gpr_free(hdr.key);
-  gpr_free(hdr.value);
-  return 0;
-}
-
-static int finish_line(grpc_httpcli_parser *parser) {
-  switch (parser->state) {
-    case GRPC_HTTPCLI_INITIAL_RESPONSE:
-      if (!handle_response_line(parser)) {
-        return 0;
-      }
-      parser->state = GRPC_HTTPCLI_HEADERS;
-      break;
-    case GRPC_HTTPCLI_HEADERS:
-      if (parser->cur_line_length == 2) {
-        parser->state = GRPC_HTTPCLI_BODY;
-        break;
-      }
-      if (!add_header(parser)) {
-        return 0;
-      }
-      break;
-    case GRPC_HTTPCLI_BODY:
-      GPR_UNREACHABLE_CODE(return 0);
-  }
-
-  parser->cur_line_length = 0;
-  return 1;
-}
-
-static int addbyte(grpc_httpcli_parser *parser, uint8_t byte) {
-  switch (parser->state) {
-    case GRPC_HTTPCLI_INITIAL_RESPONSE:
-    case GRPC_HTTPCLI_HEADERS:
-      if (parser->cur_line_length >= GRPC_HTTPCLI_MAX_HEADER_LENGTH) {
-        gpr_log(GPR_ERROR, "HTTP client max line length (%d) exceeded",
-                GRPC_HTTPCLI_MAX_HEADER_LENGTH);
-        return 0;
-      }
-      parser->cur_line[parser->cur_line_length] = byte;
-      parser->cur_line_length++;
-      if (parser->cur_line_length >= 2 &&
-          parser->cur_line[parser->cur_line_length - 2] == '\r' &&
-          parser->cur_line[parser->cur_line_length - 1] == '\n') {
-        return finish_line(parser);
-      } else {
-        return 1;
-      }
-      GPR_UNREACHABLE_CODE(return 0);
-    case GRPC_HTTPCLI_BODY:
-      if (parser->r.body_length == parser->body_capacity) {
-        parser->body_capacity = GPR_MAX(8, parser->body_capacity * 3 / 2);
-        parser->r.body =
-            gpr_realloc((void *)parser->r.body, parser->body_capacity);
-      }
-      parser->r.body[parser->r.body_length] = (char)byte;
-      parser->r.body_length++;
-      return 1;
-  }
-  GPR_UNREACHABLE_CODE(return 0);
-}
-
-void grpc_httpcli_parser_init(grpc_httpcli_parser *parser) {
-  memset(parser, 0, sizeof(*parser));
-  parser->state = GRPC_HTTPCLI_INITIAL_RESPONSE;
-  parser->r.status = 500;
-}
-
-void grpc_httpcli_parser_destroy(grpc_httpcli_parser *parser) {
-  size_t i;
-  gpr_free(parser->r.body);
-  for (i = 0; i < parser->r.hdr_count; i++) {
-    gpr_free(parser->r.hdrs[i].key);
-    gpr_free(parser->r.hdrs[i].value);
-  }
-  gpr_free(parser->r.hdrs);
-}
-
-int grpc_httpcli_parser_parse(grpc_httpcli_parser *parser, gpr_slice slice) {
-  size_t i;
-
-  for (i = 0; i < GPR_SLICE_LENGTH(slice); i++) {
-    if (!addbyte(parser, GPR_SLICE_START_PTR(slice)[i])) {
-      return 0;
-    }
-  }
-
-  return 1;
-}
-
-int grpc_httpcli_parser_eof(grpc_httpcli_parser *parser) {
-  return parser->state == GRPC_HTTPCLI_BODY;
-}
diff --git a/src/core/iomgr/fd_posix.c b/src/core/iomgr/fd_posix.c
deleted file mode 100644
index 4ba7c5df9435a9ea3af3c95819fc9228a287a584..0000000000000000000000000000000000000000
--- a/src/core/iomgr/fd_posix.c
+++ /dev/null
@@ -1,451 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#ifdef GPR_POSIX_SOCKET
-
-#include "src/core/iomgr/fd_posix.h"
-
-#include <assert.h>
-#include <sys/socket.h>
-#include <unistd.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-#include <grpc/support/useful.h>
-
-#include "src/core/iomgr/pollset_posix.h"
-
-#define CLOSURE_NOT_READY ((grpc_closure *)0)
-#define CLOSURE_READY ((grpc_closure *)1)
-
-/* We need to keep a freelist not because of any concerns of malloc performance
- * but instead so that implementations with multiple threads in (for example)
- * epoll_wait deal with the race between pollset removal and incoming poll
- * notifications.
- *
- * The problem is that the poller ultimately holds a reference to this
- * object, so it is very difficult to know when is safe to free it, at least
- * without some expensive synchronization.
- *
- * If we keep the object freelisted, in the worst case losing this race just
- * becomes a spurious read notification on a reused fd.
- */
-/* TODO(klempner): We could use some form of polling generation count to know
- * when these are safe to free. */
-/* TODO(klempner): Consider disabling freelisting if we don't have multiple
- * threads in poll on the same fd */
-/* TODO(klempner): Batch these allocations to reduce fragmentation */
-static grpc_fd *fd_freelist = NULL;
-static gpr_mu fd_freelist_mu;
-
-static void freelist_fd(grpc_fd *fd) {
-  gpr_mu_lock(&fd_freelist_mu);
-  fd->freelist_next = fd_freelist;
-  fd_freelist = fd;
-  grpc_iomgr_unregister_object(&fd->iomgr_object);
-  gpr_mu_unlock(&fd_freelist_mu);
-}
-
-static grpc_fd *alloc_fd(int fd) {
-  grpc_fd *r = NULL;
-  gpr_mu_lock(&fd_freelist_mu);
-  if (fd_freelist != NULL) {
-    r = fd_freelist;
-    fd_freelist = fd_freelist->freelist_next;
-  }
-  gpr_mu_unlock(&fd_freelist_mu);
-  if (r == NULL) {
-    r = gpr_malloc(sizeof(grpc_fd));
-    gpr_mu_init(&r->mu);
-  }
-
-  gpr_atm_rel_store(&r->refst, 1);
-  r->shutdown = 0;
-  r->read_closure = CLOSURE_NOT_READY;
-  r->write_closure = CLOSURE_NOT_READY;
-  r->fd = fd;
-  r->inactive_watcher_root.next = r->inactive_watcher_root.prev =
-      &r->inactive_watcher_root;
-  r->freelist_next = NULL;
-  r->read_watcher = r->write_watcher = NULL;
-  r->on_done_closure = NULL;
-  r->closed = 0;
-  r->released = 0;
-  return r;
-}
-
-static void destroy(grpc_fd *fd) {
-  gpr_mu_destroy(&fd->mu);
-  gpr_free(fd);
-}
-
-#ifdef GRPC_FD_REF_COUNT_DEBUG
-#define REF_BY(fd, n, reason) ref_by(fd, n, reason, __FILE__, __LINE__)
-#define UNREF_BY(fd, n, reason) unref_by(fd, n, reason, __FILE__, __LINE__)
-static void ref_by(grpc_fd *fd, int n, const char *reason, const char *file,
-                   int line) {
-  gpr_log(GPR_DEBUG, "FD %d %p   ref %d %d -> %d [%s; %s:%d]", fd->fd, fd, n,
-          gpr_atm_no_barrier_load(&fd->refst),
-          gpr_atm_no_barrier_load(&fd->refst) + n, reason, file, line);
-#else
-#define REF_BY(fd, n, reason) ref_by(fd, n)
-#define UNREF_BY(fd, n, reason) unref_by(fd, n)
-static void ref_by(grpc_fd *fd, int n) {
-#endif
-  GPR_ASSERT(gpr_atm_no_barrier_fetch_add(&fd->refst, n) > 0);
-}
-
-#ifdef GRPC_FD_REF_COUNT_DEBUG
-static void unref_by(grpc_fd *fd, int n, const char *reason, const char *file,
-                     int line) {
-  gpr_atm old;
-  gpr_log(GPR_DEBUG, "FD %d %p unref %d %d -> %d [%s; %s:%d]", fd->fd, fd, n,
-          gpr_atm_no_barrier_load(&fd->refst),
-          gpr_atm_no_barrier_load(&fd->refst) - n, reason, file, line);
-#else
-static void unref_by(grpc_fd *fd, int n) {
-  gpr_atm old;
-#endif
-  old = gpr_atm_full_fetch_add(&fd->refst, -n);
-  if (old == n) {
-    freelist_fd(fd);
-  } else {
-    GPR_ASSERT(old > n);
-  }
-}
-
-void grpc_fd_global_init(void) { gpr_mu_init(&fd_freelist_mu); }
-
-void grpc_fd_global_shutdown(void) {
-  gpr_mu_lock(&fd_freelist_mu);
-  gpr_mu_unlock(&fd_freelist_mu);
-  while (fd_freelist != NULL) {
-    grpc_fd *fd = fd_freelist;
-    fd_freelist = fd_freelist->freelist_next;
-    destroy(fd);
-  }
-  gpr_mu_destroy(&fd_freelist_mu);
-}
-
-grpc_fd *grpc_fd_create(int fd, const char *name) {
-  grpc_fd *r = alloc_fd(fd);
-  char *name2;
-  gpr_asprintf(&name2, "%s fd=%d", name, fd);
-  grpc_iomgr_register_object(&r->iomgr_object, name2);
-  gpr_free(name2);
-#ifdef GRPC_FD_REF_COUNT_DEBUG
-  gpr_log(GPR_DEBUG, "FD %d %p create %s", fd, r, name);
-#endif
-  return r;
-}
-
-int grpc_fd_is_orphaned(grpc_fd *fd) {
-  return (gpr_atm_acq_load(&fd->refst) & 1) == 0;
-}
-
-static void pollset_kick_locked(grpc_fd_watcher *watcher) {
-  gpr_mu_lock(&watcher->pollset->mu);
-  GPR_ASSERT(watcher->worker);
-  grpc_pollset_kick_ext(watcher->pollset, watcher->worker,
-                        GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP);
-  gpr_mu_unlock(&watcher->pollset->mu);
-}
-
-static void maybe_wake_one_watcher_locked(grpc_fd *fd) {
-  if (fd->inactive_watcher_root.next != &fd->inactive_watcher_root) {
-    pollset_kick_locked(fd->inactive_watcher_root.next);
-  } else if (fd->read_watcher) {
-    pollset_kick_locked(fd->read_watcher);
-  } else if (fd->write_watcher) {
-    pollset_kick_locked(fd->write_watcher);
-  }
-}
-
-static void wake_all_watchers_locked(grpc_fd *fd) {
-  grpc_fd_watcher *watcher;
-  for (watcher = fd->inactive_watcher_root.next;
-       watcher != &fd->inactive_watcher_root; watcher = watcher->next) {
-    pollset_kick_locked(watcher);
-  }
-  if (fd->read_watcher) {
-    pollset_kick_locked(fd->read_watcher);
-  }
-  if (fd->write_watcher && fd->write_watcher != fd->read_watcher) {
-    pollset_kick_locked(fd->write_watcher);
-  }
-}
-
-static int has_watchers(grpc_fd *fd) {
-  return fd->read_watcher != NULL || fd->write_watcher != NULL ||
-         fd->inactive_watcher_root.next != &fd->inactive_watcher_root;
-}
-
-static void close_fd_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
-  fd->closed = 1;
-  if (!fd->released) {
-    close(fd->fd);
-  } else {
-    grpc_remove_fd_from_all_epoll_sets(fd->fd);
-  }
-  grpc_exec_ctx_enqueue(exec_ctx, fd->on_done_closure, true, NULL);
-}
-
-int grpc_fd_wrapped_fd(grpc_fd *fd) {
-  if (fd->released || fd->closed) {
-    return -1;
-  } else {
-    return fd->fd;
-  }
-}
-
-void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done,
-                    int *release_fd, const char *reason) {
-  fd->on_done_closure = on_done;
-  fd->released = release_fd != NULL;
-  if (!fd->released) {
-    shutdown(fd->fd, SHUT_RDWR);
-  } else {
-    *release_fd = fd->fd;
-  }
-  gpr_mu_lock(&fd->mu);
-  REF_BY(fd, 1, reason); /* remove active status, but keep referenced */
-  if (!has_watchers(fd)) {
-    close_fd_locked(exec_ctx, fd);
-  } else {
-    wake_all_watchers_locked(fd);
-  }
-  gpr_mu_unlock(&fd->mu);
-  UNREF_BY(fd, 2, reason); /* drop the reference */
-}
-
-/* increment refcount by two to avoid changing the orphan bit */
-#ifdef GRPC_FD_REF_COUNT_DEBUG
-void grpc_fd_ref(grpc_fd *fd, const char *reason, const char *file, int line) {
-  ref_by(fd, 2, reason, file, line);
-}
-
-void grpc_fd_unref(grpc_fd *fd, const char *reason, const char *file,
-                   int line) {
-  unref_by(fd, 2, reason, file, line);
-}
-#else
-void grpc_fd_ref(grpc_fd *fd) { ref_by(fd, 2); }
-
-void grpc_fd_unref(grpc_fd *fd) { unref_by(fd, 2); }
-#endif
-
-static void notify_on_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
-                             grpc_closure **st, grpc_closure *closure) {
-  if (*st == CLOSURE_NOT_READY) {
-    /* not ready ==> switch to a waiting state by setting the closure */
-    *st = closure;
-  } else if (*st == CLOSURE_READY) {
-    /* already ready ==> queue the closure to run immediately */
-    *st = CLOSURE_NOT_READY;
-    grpc_exec_ctx_enqueue(exec_ctx, closure, !fd->shutdown, NULL);
-    maybe_wake_one_watcher_locked(fd);
-  } else {
-    /* upcallptr was set to a different closure.  This is an error! */
-    gpr_log(GPR_ERROR,
-            "User called a notify_on function with a previous callback still "
-            "pending");
-    abort();
-  }
-}
-
-/* returns 1 if state becomes not ready */
-static int set_ready_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
-                            grpc_closure **st) {
-  if (*st == CLOSURE_READY) {
-    /* duplicate ready ==> ignore */
-    return 0;
-  } else if (*st == CLOSURE_NOT_READY) {
-    /* not ready, and not waiting ==> flag ready */
-    *st = CLOSURE_READY;
-    return 0;
-  } else {
-    /* waiting ==> queue closure */
-    grpc_exec_ctx_enqueue(exec_ctx, *st, !fd->shutdown, NULL);
-    *st = CLOSURE_NOT_READY;
-    return 1;
-  }
-}
-
-static void set_ready(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure **st) {
-  /* only one set_ready can be active at once (but there may be a racing
-     notify_on) */
-  gpr_mu_lock(&fd->mu);
-  set_ready_locked(exec_ctx, fd, st);
-  gpr_mu_unlock(&fd->mu);
-}
-
-void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
-  gpr_mu_lock(&fd->mu);
-  GPR_ASSERT(!fd->shutdown);
-  fd->shutdown = 1;
-  set_ready_locked(exec_ctx, fd, &fd->read_closure);
-  set_ready_locked(exec_ctx, fd, &fd->write_closure);
-  gpr_mu_unlock(&fd->mu);
-}
-
-void grpc_fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
-                            grpc_closure *closure) {
-  gpr_mu_lock(&fd->mu);
-  notify_on_locked(exec_ctx, fd, &fd->read_closure, closure);
-  gpr_mu_unlock(&fd->mu);
-}
-
-void grpc_fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
-                             grpc_closure *closure) {
-  gpr_mu_lock(&fd->mu);
-  notify_on_locked(exec_ctx, fd, &fd->write_closure, closure);
-  gpr_mu_unlock(&fd->mu);
-}
-
-uint32_t grpc_fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset,
-                            grpc_pollset_worker *worker, uint32_t read_mask,
-                            uint32_t write_mask, grpc_fd_watcher *watcher) {
-  uint32_t mask = 0;
-  grpc_closure *cur;
-  int requested;
-  /* keep track of pollers that have requested our events, in case they change
-   */
-  GRPC_FD_REF(fd, "poll");
-
-  gpr_mu_lock(&fd->mu);
-
-  /* if we are shutdown, then don't add to the watcher set */
-  if (fd->shutdown) {
-    watcher->fd = NULL;
-    watcher->pollset = NULL;
-    watcher->worker = NULL;
-    gpr_mu_unlock(&fd->mu);
-    GRPC_FD_UNREF(fd, "poll");
-    return 0;
-  }
-
-  /* if there is nobody polling for read, but we need to, then start doing so */
-  cur = fd->read_closure;
-  requested = cur != CLOSURE_READY;
-  if (read_mask && fd->read_watcher == NULL && requested) {
-    fd->read_watcher = watcher;
-    mask |= read_mask;
-  }
-  /* if there is nobody polling for write, but we need to, then start doing so
-   */
-  cur = fd->write_closure;
-  requested = cur != CLOSURE_READY;
-  if (write_mask && fd->write_watcher == NULL && requested) {
-    fd->write_watcher = watcher;
-    mask |= write_mask;
-  }
-  /* if not polling, remember this watcher in case we need someone to later */
-  if (mask == 0 && worker != NULL) {
-    watcher->next = &fd->inactive_watcher_root;
-    watcher->prev = watcher->next->prev;
-    watcher->next->prev = watcher->prev->next = watcher;
-  }
-  watcher->pollset = pollset;
-  watcher->worker = worker;
-  watcher->fd = fd;
-  gpr_mu_unlock(&fd->mu);
-
-  return mask;
-}
-
-void grpc_fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *watcher,
-                      int got_read, int got_write) {
-  int was_polling = 0;
-  int kick = 0;
-  grpc_fd *fd = watcher->fd;
-
-  if (fd == NULL) {
-    return;
-  }
-
-  gpr_mu_lock(&fd->mu);
-
-  if (watcher == fd->read_watcher) {
-    /* remove read watcher, kick if we still need a read */
-    was_polling = 1;
-    if (!got_read) {
-      kick = 1;
-    }
-    fd->read_watcher = NULL;
-  }
-  if (watcher == fd->write_watcher) {
-    /* remove write watcher, kick if we still need a write */
-    was_polling = 1;
-    if (!got_write) {
-      kick = 1;
-    }
-    fd->write_watcher = NULL;
-  }
-  if (!was_polling && watcher->worker != NULL) {
-    /* remove from inactive list */
-    watcher->next->prev = watcher->prev;
-    watcher->prev->next = watcher->next;
-  }
-  if (got_read) {
-    if (set_ready_locked(exec_ctx, fd, &fd->read_closure)) {
-      kick = 1;
-    }
-  }
-  if (got_write) {
-    if (set_ready_locked(exec_ctx, fd, &fd->write_closure)) {
-      kick = 1;
-    }
-  }
-  if (kick) {
-    maybe_wake_one_watcher_locked(fd);
-  }
-  if (grpc_fd_is_orphaned(fd) && !has_watchers(fd) && !fd->closed) {
-    close_fd_locked(exec_ctx, fd);
-  }
-  gpr_mu_unlock(&fd->mu);
-
-  GRPC_FD_UNREF(fd, "poll");
-}
-
-void grpc_fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
-  set_ready(exec_ctx, fd, &fd->read_closure);
-}
-
-void grpc_fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
-  set_ready(exec_ctx, fd, &fd->write_closure);
-}
-
-#endif
diff --git a/src/core/iomgr/fd_posix.h b/src/core/iomgr/fd_posix.h
deleted file mode 100644
index 17e7de88ffaa64b476a6e24491e75cda276ce592..0000000000000000000000000000000000000000
--- a/src/core/iomgr/fd_posix.h
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_INTERNAL_CORE_IOMGR_FD_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_FD_POSIX_H
-
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/pollset.h"
-#include <grpc/support/atm.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/time.h>
-
-typedef struct grpc_fd grpc_fd;
-
-typedef struct grpc_fd_watcher {
-  struct grpc_fd_watcher *next;
-  struct grpc_fd_watcher *prev;
-  grpc_pollset *pollset;
-  grpc_pollset_worker *worker;
-  grpc_fd *fd;
-} grpc_fd_watcher;
-
-struct grpc_fd {
-  int fd;
-  /* refst format:
-     bit0:   1=active/0=orphaned
-     bit1-n: refcount
-     meaning that mostly we ref by two to avoid altering the orphaned bit,
-     and just unref by 1 when we're ready to flag the object as orphaned */
-  gpr_atm refst;
-
-  gpr_mu mu;
-  int shutdown;
-  int closed;
-  int released;
-
-  /* The watcher list.
-
-     The following watcher related fields are protected by watcher_mu.
-
-     An fd_watcher is an ephemeral object created when an fd wants to
-     begin polling, and destroyed after the poll.
-
-     It denotes the fd's interest in whether to read poll or write poll
-     or both or neither on this fd.
-
-     If a watcher is asked to poll for reads or writes, the read_watcher
-     or write_watcher fields are set respectively. A watcher may be asked
-     to poll for both, in which case both fields will be set.
-
-     read_watcher and write_watcher may be NULL if no watcher has been
-     asked to poll for reads or writes.
-
-     If an fd_watcher is not asked to poll for reads or writes, it's added
-     to a linked list of inactive watchers, rooted at inactive_watcher_root.
-     If at a later time there becomes need of a poller to poll, one of
-     the inactive pollers may be kicked out of their poll loops to take
-     that responsibility. */
-  grpc_fd_watcher inactive_watcher_root;
-  grpc_fd_watcher *read_watcher;
-  grpc_fd_watcher *write_watcher;
-
-  grpc_closure *read_closure;
-  grpc_closure *write_closure;
-
-  struct grpc_fd *freelist_next;
-
-  grpc_closure *on_done_closure;
-
-  grpc_iomgr_object iomgr_object;
-};
-
-/* Create a wrapped file descriptor.
-   Requires fd is a non-blocking file descriptor.
-   This takes ownership of closing fd. */
-grpc_fd *grpc_fd_create(int fd, const char *name);
-
-/* Return the wrapped fd, or -1 if it has been released or closed. */
-int grpc_fd_wrapped_fd(grpc_fd *fd);
-
-/* Releases fd to be asynchronously destroyed.
-   on_done is called when the underlying file descriptor is definitely close()d.
-   If on_done is NULL, no callback will be made.
-   If release_fd is not NULL, it's set to fd and fd will not be closed.
-   Requires: *fd initialized; no outstanding notify_on_read or
-   notify_on_write.
-   MUST NOT be called with a pollset lock taken */
-void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done,
-                    int *release_fd, const char *reason);
-
-/* Begin polling on an fd.
-   Registers that the given pollset is interested in this fd - so that if read
-   or writability interest changes, the pollset can be kicked to pick up that
-   new interest.
-   Return value is:
-     (fd_needs_read? read_mask : 0) | (fd_needs_write? write_mask : 0)
-   i.e. a combination of read_mask and write_mask determined by the fd's current
-   interest in said events.
-   Polling strategies that do not need to alter their behavior depending on the
-   fd's current interest (such as epoll) do not need to call this function.
-   MUST NOT be called with a pollset lock taken */
-uint32_t grpc_fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset,
-                            grpc_pollset_worker *worker, uint32_t read_mask,
-                            uint32_t write_mask, grpc_fd_watcher *rec);
-/* Complete polling previously started with grpc_fd_begin_poll
-   MUST NOT be called with a pollset lock taken
-   if got_read or got_write are 1, also does the become_{readable,writable} as
-   appropriate. */
-void grpc_fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *rec,
-                      int got_read, int got_write);
-
-/* Return 1 if this fd is orphaned, 0 otherwise */
-int grpc_fd_is_orphaned(grpc_fd *fd);
-
-/* Cause any current callbacks to error out with GRPC_CALLBACK_CANCELLED. */
-void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd);
-
-/* Register read interest, causing read_cb to be called once when fd becomes
-   readable, on deadline specified by deadline, or on shutdown triggered by
-   grpc_fd_shutdown.
-   read_cb will be called with read_cb_arg when *fd becomes readable.
-   read_cb is Called with status of GRPC_CALLBACK_SUCCESS if readable,
-   GRPC_CALLBACK_TIMED_OUT if the call timed out,
-   and CANCELLED if the call was cancelled.
-
-   Requires:This method must not be called before the read_cb for any previous
-   call runs. Edge triggered events are used whenever they are supported by the
-   underlying platform. This means that users must drain fd in read_cb before
-   calling notify_on_read again. Users are also expected to handle spurious
-   events, i.e read_cb is called while nothing can be readable from fd  */
-void grpc_fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
-                            grpc_closure *closure);
-
-/* Exactly the same semantics as above, except based on writable events.  */
-void grpc_fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
-                             grpc_closure *closure);
-
-/* Notification from the poller to an fd that it has become readable or
-   writable.
-   If allow_synchronous_callback is 1, allow running the fd callback inline
-   in this callstack, otherwise register an asynchronous callback and return */
-void grpc_fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd);
-void grpc_fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd);
-
-/* Reference counting for fds */
-/*#define GRPC_FD_REF_COUNT_DEBUG*/
-#ifdef GRPC_FD_REF_COUNT_DEBUG
-void grpc_fd_ref(grpc_fd *fd, const char *reason, const char *file, int line);
-void grpc_fd_unref(grpc_fd *fd, const char *reason, const char *file, int line);
-#define GRPC_FD_REF(fd, reason) grpc_fd_ref(fd, reason, __FILE__, __LINE__)
-#define GRPC_FD_UNREF(fd, reason) grpc_fd_unref(fd, reason, __FILE__, __LINE__)
-#else
-void grpc_fd_ref(grpc_fd *fd);
-void grpc_fd_unref(grpc_fd *fd);
-#define GRPC_FD_REF(fd, reason) grpc_fd_ref(fd)
-#define GRPC_FD_UNREF(fd, reason) grpc_fd_unref(fd)
-#endif
-
-void grpc_fd_global_init(void);
-void grpc_fd_global_shutdown(void);
-
-#endif /* GRPC_INTERNAL_CORE_IOMGR_FD_POSIX_H */
diff --git a/src/core/iomgr/pollset_multipoller_with_epoll.c b/src/core/iomgr/pollset_multipoller_with_epoll.c
deleted file mode 100644
index 2e0f27fab869ade272df0f1188726c5c7d4eab66..0000000000000000000000000000000000000000
--- a/src/core/iomgr/pollset_multipoller_with_epoll.c
+++ /dev/null
@@ -1,324 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#ifdef GPR_LINUX_MULTIPOLL_WITH_EPOLL
-
-#include <errno.h>
-#include <poll.h>
-#include <string.h>
-#include <sys/epoll.h>
-#include <unistd.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/useful.h>
-#include "src/core/iomgr/fd_posix.h"
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/support/block_annotate.h"
-
-struct epoll_fd_list {
-  int *epoll_fds;
-  size_t count;
-  size_t capacity;
-};
-
-static struct epoll_fd_list epoll_fd_global_list;
-static gpr_once init_epoll_fd_list_mu = GPR_ONCE_INIT;
-static gpr_mu epoll_fd_list_mu;
-
-static void init_mu(void) { gpr_mu_init(&epoll_fd_list_mu); }
-
-static void add_epoll_fd_to_global_list(int epoll_fd) {
-  gpr_once_init(&init_epoll_fd_list_mu, init_mu);
-
-  gpr_mu_lock(&epoll_fd_list_mu);
-  if (epoll_fd_global_list.count == epoll_fd_global_list.capacity) {
-    epoll_fd_global_list.capacity =
-        GPR_MAX((size_t)8, epoll_fd_global_list.capacity * 2);
-    epoll_fd_global_list.epoll_fds =
-        gpr_realloc(epoll_fd_global_list.epoll_fds,
-                    epoll_fd_global_list.capacity * sizeof(int));
-  }
-  epoll_fd_global_list.epoll_fds[epoll_fd_global_list.count++] = epoll_fd;
-  gpr_mu_unlock(&epoll_fd_list_mu);
-}
-
-static void remove_epoll_fd_from_global_list(int epoll_fd) {
-  gpr_mu_lock(&epoll_fd_list_mu);
-  GPR_ASSERT(epoll_fd_global_list.count > 0);
-  for (size_t i = 0; i < epoll_fd_global_list.count; i++) {
-    if (epoll_fd == epoll_fd_global_list.epoll_fds[i]) {
-      epoll_fd_global_list.epoll_fds[i] =
-          epoll_fd_global_list.epoll_fds[--(epoll_fd_global_list.count)];
-      break;
-    }
-  }
-  gpr_mu_unlock(&epoll_fd_list_mu);
-}
-
-void grpc_remove_fd_from_all_epoll_sets(int fd) {
-  int err;
-  gpr_once_init(&init_epoll_fd_list_mu, init_mu);
-  gpr_mu_lock(&epoll_fd_list_mu);
-  if (epoll_fd_global_list.count == 0) {
-    gpr_mu_unlock(&epoll_fd_list_mu);
-    return;
-  }
-  for (size_t i = 0; i < epoll_fd_global_list.count; i++) {
-    err = epoll_ctl(epoll_fd_global_list.epoll_fds[i], EPOLL_CTL_DEL, fd, NULL);
-    if (err < 0 && errno != ENOENT) {
-      gpr_log(GPR_ERROR, "epoll_ctl del for %d failed: %s", fd,
-              strerror(errno));
-    }
-  }
-  gpr_mu_unlock(&epoll_fd_list_mu);
-}
-
-typedef struct {
-  grpc_pollset *pollset;
-  grpc_fd *fd;
-  grpc_closure closure;
-} delayed_add;
-
-typedef struct { int epoll_fd; } pollset_hdr;
-
-static void finally_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                           grpc_fd *fd) {
-  pollset_hdr *h = pollset->data.ptr;
-  struct epoll_event ev;
-  int err;
-  grpc_fd_watcher watcher;
-
-  /* We pretend to be polling whilst adding an fd to keep the fd from being
-     closed during the add. This may result in a spurious wakeup being assigned
-     to this pollset whilst adding, but that should be benign. */
-  GPR_ASSERT(grpc_fd_begin_poll(fd, pollset, NULL, 0, 0, &watcher) == 0);
-  if (watcher.fd != NULL) {
-    ev.events = (uint32_t)(EPOLLIN | EPOLLOUT | EPOLLET);
-    ev.data.ptr = fd;
-    err = epoll_ctl(h->epoll_fd, EPOLL_CTL_ADD, fd->fd, &ev);
-    if (err < 0) {
-      /* FDs may be added to a pollset multiple times, so EEXIST is normal. */
-      if (errno != EEXIST) {
-        gpr_log(GPR_ERROR, "epoll_ctl add for %d failed: %s", fd->fd,
-                strerror(errno));
-      }
-    }
-  }
-  grpc_fd_end_poll(exec_ctx, &watcher, 0, 0);
-}
-
-static void perform_delayed_add(grpc_exec_ctx *exec_ctx, void *arg,
-                                bool iomgr_status) {
-  delayed_add *da = arg;
-
-  if (!grpc_fd_is_orphaned(da->fd)) {
-    finally_add_fd(exec_ctx, da->pollset, da->fd);
-  }
-
-  gpr_mu_lock(&da->pollset->mu);
-  da->pollset->in_flight_cbs--;
-  if (da->pollset->shutting_down) {
-    /* We don't care about this pollset anymore. */
-    if (da->pollset->in_flight_cbs == 0 && !da->pollset->called_shutdown) {
-      da->pollset->called_shutdown = 1;
-      grpc_exec_ctx_enqueue(exec_ctx, da->pollset->shutdown_done, true, NULL);
-    }
-  }
-  gpr_mu_unlock(&da->pollset->mu);
-
-  GRPC_FD_UNREF(da->fd, "delayed_add");
-
-  gpr_free(da);
-}
-
-static void multipoll_with_epoll_pollset_add_fd(grpc_exec_ctx *exec_ctx,
-                                                grpc_pollset *pollset,
-                                                grpc_fd *fd,
-                                                int and_unlock_pollset) {
-  if (and_unlock_pollset) {
-    gpr_mu_unlock(&pollset->mu);
-    finally_add_fd(exec_ctx, pollset, fd);
-  } else {
-    delayed_add *da = gpr_malloc(sizeof(*da));
-    da->pollset = pollset;
-    da->fd = fd;
-    GRPC_FD_REF(fd, "delayed_add");
-    grpc_closure_init(&da->closure, perform_delayed_add, da);
-    pollset->in_flight_cbs++;
-    grpc_exec_ctx_enqueue(exec_ctx, &da->closure, true, NULL);
-  }
-}
-
-/* TODO(klempner): We probably want to turn this down a bit */
-#define GRPC_EPOLL_MAX_EVENTS 1000
-
-static void multipoll_with_epoll_pollset_maybe_work_and_unlock(
-    grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, grpc_pollset_worker *worker,
-    gpr_timespec deadline, gpr_timespec now) {
-  struct epoll_event ep_ev[GRPC_EPOLL_MAX_EVENTS];
-  int ep_rv;
-  int poll_rv;
-  pollset_hdr *h = pollset->data.ptr;
-  int timeout_ms;
-  struct pollfd pfds[2];
-
-  /* If you want to ignore epoll's ability to sanely handle parallel pollers,
-   * for a more apples-to-apples performance comparison with poll, add a
-   * if (pollset->counter != 0) { return 0; }
-   * here.
-   */
-
-  gpr_mu_unlock(&pollset->mu);
-
-  timeout_ms = grpc_poll_deadline_to_millis_timeout(deadline, now);
-
-  pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
-  pfds[0].events = POLLIN;
-  pfds[0].revents = 0;
-  pfds[1].fd = h->epoll_fd;
-  pfds[1].events = POLLIN;
-  pfds[1].revents = 0;
-
-  /* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
-     even going into the blocking annotation if possible */
-  GPR_TIMER_BEGIN("poll", 0);
-  GRPC_SCHEDULING_START_BLOCKING_REGION;
-  poll_rv = grpc_poll_function(pfds, 2, timeout_ms);
-  GRPC_SCHEDULING_END_BLOCKING_REGION;
-  GPR_TIMER_END("poll", 0);
-
-  if (poll_rv < 0) {
-    if (errno != EINTR) {
-      gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno));
-    }
-  } else if (poll_rv == 0) {
-    /* do nothing */
-  } else {
-    if (pfds[0].revents) {
-      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
-    }
-    if (pfds[1].revents) {
-      do {
-        /* The following epoll_wait never blocks; it has a timeout of 0 */
-        ep_rv = epoll_wait(h->epoll_fd, ep_ev, GRPC_EPOLL_MAX_EVENTS, 0);
-        if (ep_rv < 0) {
-          if (errno != EINTR) {
-            gpr_log(GPR_ERROR, "epoll_wait() failed: %s", strerror(errno));
-          }
-        } else {
-          int i;
-          for (i = 0; i < ep_rv; ++i) {
-            grpc_fd *fd = ep_ev[i].data.ptr;
-            /* TODO(klempner): We might want to consider making err and pri
-             * separate events */
-            int cancel = ep_ev[i].events & (EPOLLERR | EPOLLHUP);
-            int read_ev = ep_ev[i].events & (EPOLLIN | EPOLLPRI);
-            int write_ev = ep_ev[i].events & EPOLLOUT;
-            if (fd == NULL) {
-              grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
-            } else {
-              if (read_ev || cancel) {
-                grpc_fd_become_readable(exec_ctx, fd);
-              }
-              if (write_ev || cancel) {
-                grpc_fd_become_writable(exec_ctx, fd);
-              }
-            }
-          }
-        }
-      } while (ep_rv == GRPC_EPOLL_MAX_EVENTS);
-    }
-  }
-}
-
-static void multipoll_with_epoll_pollset_finish_shutdown(
-    grpc_pollset *pollset) {}
-
-static void multipoll_with_epoll_pollset_destroy(grpc_pollset *pollset) {
-  pollset_hdr *h = pollset->data.ptr;
-  close(h->epoll_fd);
-  remove_epoll_fd_from_global_list(h->epoll_fd);
-  gpr_free(h);
-}
-
-static const grpc_pollset_vtable multipoll_with_epoll_pollset = {
-    multipoll_with_epoll_pollset_add_fd,
-    multipoll_with_epoll_pollset_maybe_work_and_unlock,
-    multipoll_with_epoll_pollset_finish_shutdown,
-    multipoll_with_epoll_pollset_destroy};
-
-static void epoll_become_multipoller(grpc_exec_ctx *exec_ctx,
-                                     grpc_pollset *pollset, grpc_fd **fds,
-                                     size_t nfds) {
-  size_t i;
-  pollset_hdr *h = gpr_malloc(sizeof(pollset_hdr));
-  struct epoll_event ev;
-  int err;
-
-  pollset->vtable = &multipoll_with_epoll_pollset;
-  pollset->data.ptr = h;
-  h->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
-  if (h->epoll_fd < 0) {
-    /* TODO(klempner): Fall back to poll here, especially on ENOSYS */
-    gpr_log(GPR_ERROR, "epoll_create1 failed: %s", strerror(errno));
-    abort();
-  }
-  add_epoll_fd_to_global_list(h->epoll_fd);
-
-  ev.events = (uint32_t)(EPOLLIN | EPOLLET);
-  ev.data.ptr = NULL;
-  err = epoll_ctl(h->epoll_fd, EPOLL_CTL_ADD,
-                  GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd), &ev);
-  if (err < 0) {
-    gpr_log(GPR_ERROR, "epoll_ctl add for %d failed: %s",
-            GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd),
-            strerror(errno));
-  }
-
-  for (i = 0; i < nfds; i++) {
-    multipoll_with_epoll_pollset_add_fd(exec_ctx, pollset, fds[i], 0);
-  }
-}
-
-grpc_platform_become_multipoller_type grpc_platform_become_multipoller =
-    epoll_become_multipoller;
-
-#else /* GPR_LINUX_MULTIPOLL_WITH_EPOLL */
-
-void grpc_remove_fd_from_all_epoll_sets(int fd) {}
-
-#endif /* GPR_LINUX_MULTIPOLL_WITH_EPOLL */
diff --git a/src/core/iomgr/pollset_multipoller_with_poll_posix.c b/src/core/iomgr/pollset_multipoller_with_poll_posix.c
deleted file mode 100644
index 92d6fb724142a64f4b6553c3a2191e34db89991e..0000000000000000000000000000000000000000
--- a/src/core/iomgr/pollset_multipoller_with_poll_posix.c
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#ifdef GPR_POSIX_SOCKET
-
-#include "src/core/iomgr/pollset_posix.h"
-
-#include <errno.h>
-#include <poll.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/useful.h>
-
-#include "src/core/iomgr/fd_posix.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/support/block_annotate.h"
-
-typedef struct {
-  /* all polled fds */
-  size_t fd_count;
-  size_t fd_capacity;
-  grpc_fd **fds;
-  /* fds that have been removed from the pollset explicitly */
-  size_t del_count;
-  size_t del_capacity;
-  grpc_fd **dels;
-} pollset_hdr;
-
-static void multipoll_with_poll_pollset_add_fd(grpc_exec_ctx *exec_ctx,
-                                               grpc_pollset *pollset,
-                                               grpc_fd *fd,
-                                               int and_unlock_pollset) {
-  size_t i;
-  pollset_hdr *h = pollset->data.ptr;
-  /* TODO(ctiller): this is O(num_fds^2); maybe switch to a hash set here */
-  for (i = 0; i < h->fd_count; i++) {
-    if (h->fds[i] == fd) goto exit;
-  }
-  if (h->fd_count == h->fd_capacity) {
-    h->fd_capacity = GPR_MAX(h->fd_capacity + 8, h->fd_count * 3 / 2);
-    h->fds = gpr_realloc(h->fds, sizeof(grpc_fd *) * h->fd_capacity);
-  }
-  h->fds[h->fd_count++] = fd;
-  GRPC_FD_REF(fd, "multipoller");
-exit:
-  if (and_unlock_pollset) {
-    gpr_mu_unlock(&pollset->mu);
-  }
-}
-
-static void multipoll_with_poll_pollset_maybe_work_and_unlock(
-    grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, grpc_pollset_worker *worker,
-    gpr_timespec deadline, gpr_timespec now) {
-#define POLLOUT_CHECK (POLLOUT | POLLHUP | POLLERR)
-#define POLLIN_CHECK (POLLIN | POLLHUP | POLLERR)
-
-  int timeout;
-  int r;
-  size_t i, j, fd_count;
-  nfds_t pfd_count;
-  pollset_hdr *h;
-  /* TODO(ctiller): inline some elements to avoid an allocation */
-  grpc_fd_watcher *watchers;
-  struct pollfd *pfds;
-
-  h = pollset->data.ptr;
-  timeout = grpc_poll_deadline_to_millis_timeout(deadline, now);
-  /* TODO(ctiller): perform just one malloc here if we exceed the inline case */
-  pfds = gpr_malloc(sizeof(*pfds) * (h->fd_count + 2));
-  watchers = gpr_malloc(sizeof(*watchers) * (h->fd_count + 2));
-  fd_count = 0;
-  pfd_count = 2;
-  pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd);
-  pfds[0].events = POLLIN;
-  pfds[0].revents = 0;
-  pfds[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
-  pfds[1].events = POLLIN;
-  pfds[1].revents = 0;
-  for (i = 0; i < h->fd_count; i++) {
-    int remove = grpc_fd_is_orphaned(h->fds[i]);
-    for (j = 0; !remove && j < h->del_count; j++) {
-      if (h->fds[i] == h->dels[j]) remove = 1;
-    }
-    if (remove) {
-      GRPC_FD_UNREF(h->fds[i], "multipoller");
-    } else {
-      h->fds[fd_count++] = h->fds[i];
-      watchers[pfd_count].fd = h->fds[i];
-      GRPC_FD_REF(watchers[pfd_count].fd, "multipoller_start");
-      pfds[pfd_count].fd = h->fds[i]->fd;
-      pfds[pfd_count].revents = 0;
-      pfd_count++;
-    }
-  }
-  for (j = 0; j < h->del_count; j++) {
-    GRPC_FD_UNREF(h->dels[j], "multipoller_del");
-  }
-  h->del_count = 0;
-  h->fd_count = fd_count;
-  gpr_mu_unlock(&pollset->mu);
-
-  for (i = 2; i < pfd_count; i++) {
-    grpc_fd *fd = watchers[i].fd;
-    pfds[i].events = (short)grpc_fd_begin_poll(fd, pollset, worker, POLLIN,
-                                               POLLOUT, &watchers[i]);
-    GRPC_FD_UNREF(fd, "multipoller_start");
-  }
-
-  /* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
-     even going into the blocking annotation if possible */
-  GRPC_SCHEDULING_START_BLOCKING_REGION;
-  r = grpc_poll_function(pfds, pfd_count, timeout);
-  GRPC_SCHEDULING_END_BLOCKING_REGION;
-
-  if (r < 0) {
-    if (errno != EINTR) {
-      gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno));
-    }
-    for (i = 2; i < pfd_count; i++) {
-      grpc_fd_end_poll(exec_ctx, &watchers[i], 0, 0);
-    }
-  } else if (r == 0) {
-    for (i = 2; i < pfd_count; i++) {
-      grpc_fd_end_poll(exec_ctx, &watchers[i], 0, 0);
-    }
-  } else {
-    if (pfds[0].revents & POLLIN_CHECK) {
-      grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
-    }
-    if (pfds[1].revents & POLLIN_CHECK) {
-      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
-    }
-    for (i = 2; i < pfd_count; i++) {
-      if (watchers[i].fd == NULL) {
-        grpc_fd_end_poll(exec_ctx, &watchers[i], 0, 0);
-        continue;
-      }
-      grpc_fd_end_poll(exec_ctx, &watchers[i], pfds[i].revents & POLLIN_CHECK,
-                       pfds[i].revents & POLLOUT_CHECK);
-    }
-  }
-
-  gpr_free(pfds);
-  gpr_free(watchers);
-}
-
-static void multipoll_with_poll_pollset_finish_shutdown(grpc_pollset *pollset) {
-  size_t i;
-  pollset_hdr *h = pollset->data.ptr;
-  for (i = 0; i < h->fd_count; i++) {
-    GRPC_FD_UNREF(h->fds[i], "multipoller");
-  }
-  for (i = 0; i < h->del_count; i++) {
-    GRPC_FD_UNREF(h->dels[i], "multipoller_del");
-  }
-  h->fd_count = 0;
-  h->del_count = 0;
-}
-
-static void multipoll_with_poll_pollset_destroy(grpc_pollset *pollset) {
-  pollset_hdr *h = pollset->data.ptr;
-  multipoll_with_poll_pollset_finish_shutdown(pollset);
-  gpr_free(h->fds);
-  gpr_free(h->dels);
-  gpr_free(h);
-}
-
-static const grpc_pollset_vtable multipoll_with_poll_pollset = {
-    multipoll_with_poll_pollset_add_fd,
-    multipoll_with_poll_pollset_maybe_work_and_unlock,
-    multipoll_with_poll_pollset_finish_shutdown,
-    multipoll_with_poll_pollset_destroy};
-
-void grpc_poll_become_multipoller(grpc_exec_ctx *exec_ctx,
-                                  grpc_pollset *pollset, grpc_fd **fds,
-                                  size_t nfds) {
-  size_t i;
-  pollset_hdr *h = gpr_malloc(sizeof(pollset_hdr));
-  pollset->vtable = &multipoll_with_poll_pollset;
-  pollset->data.ptr = h;
-  h->fd_count = nfds;
-  h->fd_capacity = nfds;
-  h->fds = gpr_malloc(nfds * sizeof(grpc_fd *));
-  h->del_count = 0;
-  h->del_capacity = 0;
-  h->dels = NULL;
-  for (i = 0; i < nfds; i++) {
-    h->fds[i] = fds[i];
-    GRPC_FD_REF(fds[i], "multipoller");
-  }
-}
-
-#endif /* GPR_POSIX_SOCKET */
-
-#ifdef GPR_POSIX_MULTIPOLL_WITH_POLL
-grpc_platform_become_multipoller_type grpc_platform_become_multipoller =
-    grpc_poll_become_multipoller;
-#endif
diff --git a/src/core/iomgr/pollset_posix.c b/src/core/iomgr/pollset_posix.c
deleted file mode 100644
index e895a7788491973fadef4650683683d0535a33fd..0000000000000000000000000000000000000000
--- a/src/core/iomgr/pollset_posix.c
+++ /dev/null
@@ -1,633 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#ifdef GPR_POSIX_SOCKET
-
-#include "src/core/iomgr/pollset_posix.h"
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/tls.h>
-#include <grpc/support/useful.h>
-#include "src/core/iomgr/fd_posix.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/socket_utils_posix.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/support/block_annotate.h"
-
-GPR_TLS_DECL(g_current_thread_poller);
-GPR_TLS_DECL(g_current_thread_worker);
-
-/** Default poll() function - a pointer so that it can be overridden by some
- *  tests */
-grpc_poll_function_type grpc_poll_function = poll;
-
-/** The alarm system needs to be able to wakeup 'some poller' sometimes
- *  (specifically when a new alarm needs to be triggered earlier than the next
- *  alarm 'epoch').
- *  This wakeup_fd gives us something to alert on when such a case occurs. */
-grpc_wakeup_fd grpc_global_wakeup_fd;
-
-static void remove_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
-  worker->prev->next = worker->next;
-  worker->next->prev = worker->prev;
-}
-
-int grpc_pollset_has_workers(grpc_pollset *p) {
-  return p->root_worker.next != &p->root_worker;
-}
-
-static grpc_pollset_worker *pop_front_worker(grpc_pollset *p) {
-  if (grpc_pollset_has_workers(p)) {
-    grpc_pollset_worker *w = p->root_worker.next;
-    remove_worker(p, w);
-    return w;
-  } else {
-    return NULL;
-  }
-}
-
-static void push_back_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
-  worker->next = &p->root_worker;
-  worker->prev = worker->next->prev;
-  worker->prev->next = worker->next->prev = worker;
-}
-
-static void push_front_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
-  worker->prev = &p->root_worker;
-  worker->next = worker->prev->next;
-  worker->prev->next = worker->next->prev = worker;
-}
-
-size_t grpc_pollset_size(void) { return sizeof(grpc_pollset); }
-
-void grpc_pollset_kick_ext(grpc_pollset *p,
-                           grpc_pollset_worker *specific_worker,
-                           uint32_t flags) {
-  GPR_TIMER_BEGIN("grpc_pollset_kick_ext", 0);
-
-  /* pollset->mu already held */
-  if (specific_worker != NULL) {
-    if (specific_worker == GRPC_POLLSET_KICK_BROADCAST) {
-      GPR_TIMER_BEGIN("grpc_pollset_kick_ext.broadcast", 0);
-      GPR_ASSERT((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) == 0);
-      for (specific_worker = p->root_worker.next;
-           specific_worker != &p->root_worker;
-           specific_worker = specific_worker->next) {
-        grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
-      }
-      p->kicked_without_pollers = 1;
-      GPR_TIMER_END("grpc_pollset_kick_ext.broadcast", 0);
-    } else if (gpr_tls_get(&g_current_thread_worker) !=
-               (intptr_t)specific_worker) {
-      GPR_TIMER_MARK("different_thread_worker", 0);
-      if ((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) != 0) {
-        specific_worker->reevaluate_polling_on_wakeup = 1;
-      }
-      specific_worker->kicked_specifically = 1;
-      grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
-    } else if ((flags & GRPC_POLLSET_CAN_KICK_SELF) != 0) {
-      GPR_TIMER_MARK("kick_yoself", 0);
-      if ((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) != 0) {
-        specific_worker->reevaluate_polling_on_wakeup = 1;
-      }
-      specific_worker->kicked_specifically = 1;
-      grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
-    }
-  } else if (gpr_tls_get(&g_current_thread_poller) != (intptr_t)p) {
-    GPR_ASSERT((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) == 0);
-    GPR_TIMER_MARK("kick_anonymous", 0);
-    specific_worker = pop_front_worker(p);
-    if (specific_worker != NULL) {
-      if (gpr_tls_get(&g_current_thread_worker) == (intptr_t)specific_worker) {
-        GPR_TIMER_MARK("kick_anonymous_not_self", 0);
-        push_back_worker(p, specific_worker);
-        specific_worker = pop_front_worker(p);
-        if ((flags & GRPC_POLLSET_CAN_KICK_SELF) == 0 &&
-            gpr_tls_get(&g_current_thread_worker) ==
-                (intptr_t)specific_worker) {
-          push_back_worker(p, specific_worker);
-          specific_worker = NULL;
-        }
-      }
-      if (specific_worker != NULL) {
-        GPR_TIMER_MARK("finally_kick", 0);
-        push_back_worker(p, specific_worker);
-        grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
-      }
-    } else {
-      GPR_TIMER_MARK("kicked_no_pollers", 0);
-      p->kicked_without_pollers = 1;
-    }
-  }
-
-  GPR_TIMER_END("grpc_pollset_kick_ext", 0);
-}
-
-void grpc_pollset_kick(grpc_pollset *p, grpc_pollset_worker *specific_worker) {
-  grpc_pollset_kick_ext(p, specific_worker, 0);
-}
-
-/* global state management */
-
-void grpc_pollset_global_init(void) {
-  gpr_tls_init(&g_current_thread_poller);
-  gpr_tls_init(&g_current_thread_worker);
-  grpc_wakeup_fd_global_init();
-  grpc_wakeup_fd_init(&grpc_global_wakeup_fd);
-}
-
-void grpc_pollset_global_shutdown(void) {
-  grpc_wakeup_fd_destroy(&grpc_global_wakeup_fd);
-  gpr_tls_destroy(&g_current_thread_poller);
-  gpr_tls_destroy(&g_current_thread_worker);
-  grpc_wakeup_fd_global_destroy();
-}
-
-void grpc_kick_poller(void) { grpc_wakeup_fd_wakeup(&grpc_global_wakeup_fd); }
-
-/* main interface */
-
-static void become_basic_pollset(grpc_pollset *pollset, grpc_fd *fd_or_null);
-
-void grpc_pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
-  gpr_mu_init(&pollset->mu);
-  *mu = &pollset->mu;
-  pollset->root_worker.next = pollset->root_worker.prev = &pollset->root_worker;
-  pollset->in_flight_cbs = 0;
-  pollset->shutting_down = 0;
-  pollset->called_shutdown = 0;
-  pollset->kicked_without_pollers = 0;
-  pollset->idle_jobs.head = pollset->idle_jobs.tail = NULL;
-  pollset->local_wakeup_cache = NULL;
-  pollset->kicked_without_pollers = 0;
-  become_basic_pollset(pollset, NULL);
-}
-
-void grpc_pollset_destroy(grpc_pollset *pollset) {
-  GPR_ASSERT(pollset->in_flight_cbs == 0);
-  GPR_ASSERT(!grpc_pollset_has_workers(pollset));
-  GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail);
-  pollset->vtable->destroy(pollset);
-  while (pollset->local_wakeup_cache) {
-    grpc_cached_wakeup_fd *next = pollset->local_wakeup_cache->next;
-    grpc_wakeup_fd_destroy(&pollset->local_wakeup_cache->fd);
-    gpr_free(pollset->local_wakeup_cache);
-    pollset->local_wakeup_cache = next;
-  }
-}
-
-void grpc_pollset_reset(grpc_pollset *pollset) {
-  GPR_ASSERT(pollset->shutting_down);
-  GPR_ASSERT(pollset->in_flight_cbs == 0);
-  GPR_ASSERT(!grpc_pollset_has_workers(pollset));
-  GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail);
-  pollset->vtable->destroy(pollset);
-  pollset->shutting_down = 0;
-  pollset->called_shutdown = 0;
-  pollset->kicked_without_pollers = 0;
-  become_basic_pollset(pollset, NULL);
-}
-
-void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                         grpc_fd *fd) {
-  gpr_mu_lock(&pollset->mu);
-  pollset->vtable->add_fd(exec_ctx, pollset, fd, 1);
-/* the following (enabled only in debug) will reacquire and then release
-   our lock - meaning that if the unlocking flag passed to add_fd above is
-   not respected, the code will deadlock (in a way that we have a chance of
-   debugging) */
-#ifndef NDEBUG
-  gpr_mu_lock(&pollset->mu);
-  gpr_mu_unlock(&pollset->mu);
-#endif
-}
-
-static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
-  GPR_ASSERT(grpc_closure_list_empty(pollset->idle_jobs));
-  pollset->vtable->finish_shutdown(pollset);
-  grpc_exec_ctx_enqueue(exec_ctx, pollset->shutdown_done, true, NULL);
-}
-
-void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                       grpc_pollset_worker **worker_hdl, gpr_timespec now,
-                       gpr_timespec deadline) {
-  grpc_pollset_worker worker;
-  *worker_hdl = &worker;
-
-  /* pollset->mu already held */
-  int added_worker = 0;
-  int locked = 1;
-  int queued_work = 0;
-  int keep_polling = 0;
-  GPR_TIMER_BEGIN("grpc_pollset_work", 0);
-  /* this must happen before we (potentially) drop pollset->mu */
-  worker.next = worker.prev = NULL;
-  worker.reevaluate_polling_on_wakeup = 0;
-  if (pollset->local_wakeup_cache != NULL) {
-    worker.wakeup_fd = pollset->local_wakeup_cache;
-    pollset->local_wakeup_cache = worker.wakeup_fd->next;
-  } else {
-    worker.wakeup_fd = gpr_malloc(sizeof(*worker.wakeup_fd));
-    grpc_wakeup_fd_init(&worker.wakeup_fd->fd);
-  }
-  worker.kicked_specifically = 0;
-  /* If there's work waiting for the pollset to be idle, and the
-     pollset is idle, then do that work */
-  if (!grpc_pollset_has_workers(pollset) &&
-      !grpc_closure_list_empty(pollset->idle_jobs)) {
-    GPR_TIMER_MARK("grpc_pollset_work.idle_jobs", 0);
-    grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL);
-    goto done;
-  }
-  /* If we're shutting down then we don't execute any extended work */
-  if (pollset->shutting_down) {
-    GPR_TIMER_MARK("grpc_pollset_work.shutting_down", 0);
-    goto done;
-  }
-  /* Give do_promote priority so we don't starve it out */
-  if (pollset->in_flight_cbs) {
-    GPR_TIMER_MARK("grpc_pollset_work.in_flight_cbs", 0);
-    gpr_mu_unlock(&pollset->mu);
-    locked = 0;
-    goto done;
-  }
-  /* Start polling, and keep doing so while we're being asked to
-     re-evaluate our pollers (this allows poll() based pollers to
-     ensure they don't miss wakeups) */
-  keep_polling = 1;
-  while (keep_polling) {
-    keep_polling = 0;
-    if (!pollset->kicked_without_pollers) {
-      if (!added_worker) {
-        push_front_worker(pollset, &worker);
-        added_worker = 1;
-        gpr_tls_set(&g_current_thread_worker, (intptr_t)&worker);
-      }
-      gpr_tls_set(&g_current_thread_poller, (intptr_t)pollset);
-      GPR_TIMER_BEGIN("maybe_work_and_unlock", 0);
-      pollset->vtable->maybe_work_and_unlock(exec_ctx, pollset, &worker,
-                                             deadline, now);
-      GPR_TIMER_END("maybe_work_and_unlock", 0);
-      locked = 0;
-      gpr_tls_set(&g_current_thread_poller, 0);
-    } else {
-      GPR_TIMER_MARK("grpc_pollset_work.kicked_without_pollers", 0);
-      pollset->kicked_without_pollers = 0;
-    }
-  /* Finished execution - start cleaning up.
-     Note that we may arrive here from outside the enclosing while() loop.
-     In that case we won't loop though as we haven't added worker to the
-     worker list, which means nobody could ask us to re-evaluate polling). */
-  done:
-    if (!locked) {
-      queued_work |= grpc_exec_ctx_flush(exec_ctx);
-      gpr_mu_lock(&pollset->mu);
-      locked = 1;
-    }
-    /* If we're forced to re-evaluate polling (via grpc_pollset_kick with
-       GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) then we land here and force
-       a loop */
-    if (worker.reevaluate_polling_on_wakeup) {
-      worker.reevaluate_polling_on_wakeup = 0;
-      pollset->kicked_without_pollers = 0;
-      if (queued_work || worker.kicked_specifically) {
-        /* If there's queued work on the list, then set the deadline to be
-           immediate so we get back out of the polling loop quickly */
-        deadline = gpr_inf_past(GPR_CLOCK_MONOTONIC);
-      }
-      keep_polling = 1;
-    }
-  }
-  if (added_worker) {
-    remove_worker(pollset, &worker);
-    gpr_tls_set(&g_current_thread_worker, 0);
-  }
-  /* release wakeup fd to the local pool */
-  worker.wakeup_fd->next = pollset->local_wakeup_cache;
-  pollset->local_wakeup_cache = worker.wakeup_fd;
-  /* check shutdown conditions */
-  if (pollset->shutting_down) {
-    if (grpc_pollset_has_workers(pollset)) {
-      grpc_pollset_kick(pollset, NULL);
-    } else if (!pollset->called_shutdown && pollset->in_flight_cbs == 0) {
-      pollset->called_shutdown = 1;
-      gpr_mu_unlock(&pollset->mu);
-      finish_shutdown(exec_ctx, pollset);
-      grpc_exec_ctx_flush(exec_ctx);
-      /* Continuing to access pollset here is safe -- it is the caller's
-       * responsibility to not destroy when it has outstanding calls to
-       * grpc_pollset_work.
-       * TODO(dklempner): Can we refactor the shutdown logic to avoid this? */
-      gpr_mu_lock(&pollset->mu);
-    } else if (!grpc_closure_list_empty(pollset->idle_jobs)) {
-      grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL);
-      gpr_mu_unlock(&pollset->mu);
-      grpc_exec_ctx_flush(exec_ctx);
-      gpr_mu_lock(&pollset->mu);
-    }
-  }
-  *worker_hdl = NULL;
-  GPR_TIMER_END("grpc_pollset_work", 0);
-}
-
-void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                           grpc_closure *closure) {
-  GPR_ASSERT(!pollset->shutting_down);
-  pollset->shutting_down = 1;
-  pollset->shutdown_done = closure;
-  grpc_pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
-  if (!grpc_pollset_has_workers(pollset)) {
-    grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL);
-  }
-  if (!pollset->called_shutdown && pollset->in_flight_cbs == 0 &&
-      !grpc_pollset_has_workers(pollset)) {
-    pollset->called_shutdown = 1;
-    finish_shutdown(exec_ctx, pollset);
-  }
-}
-
-int grpc_poll_deadline_to_millis_timeout(gpr_timespec deadline,
-                                         gpr_timespec now) {
-  gpr_timespec timeout;
-  static const int64_t max_spin_polling_us = 10;
-  if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) == 0) {
-    return -1;
-  }
-  if (gpr_time_cmp(deadline, gpr_time_add(now, gpr_time_from_micros(
-                                                   max_spin_polling_us,
-                                                   GPR_TIMESPAN))) <= 0) {
-    return 0;
-  }
-  timeout = gpr_time_sub(deadline, now);
-  return gpr_time_to_millis(gpr_time_add(
-      timeout, gpr_time_from_nanos(GPR_NS_PER_MS - 1, GPR_TIMESPAN)));
-}
-
-/*
- * basic_pollset - a vtable that provides polling for zero or one file
- *                 descriptor via poll()
- */
-
-typedef struct grpc_unary_promote_args {
-  const grpc_pollset_vtable *original_vtable;
-  grpc_pollset *pollset;
-  grpc_fd *fd;
-  grpc_closure promotion_closure;
-} grpc_unary_promote_args;
-
-static void basic_do_promote(grpc_exec_ctx *exec_ctx, void *args,
-                             bool success) {
-  grpc_unary_promote_args *up_args = args;
-  const grpc_pollset_vtable *original_vtable = up_args->original_vtable;
-  grpc_pollset *pollset = up_args->pollset;
-  grpc_fd *fd = up_args->fd;
-
-  /*
-   * This is quite tricky. There are a number of cases to keep in mind here:
-   * 1. fd may have been orphaned
-   * 2. The pollset may no longer be a unary poller (and we can't let case #1
-   * leak to other pollset types!)
-   * 3. pollset's fd (which may have changed) may have been orphaned
-   * 4. The pollset may be shutting down.
-   */
-
-  gpr_mu_lock(&pollset->mu);
-  /* First we need to ensure that nobody is polling concurrently */
-  GPR_ASSERT(!grpc_pollset_has_workers(pollset));
-
-  gpr_free(up_args);
-  /* At this point the pollset may no longer be a unary poller. In that case
-   * we should just call the right add function and be done. */
-  /* TODO(klempner): If we're not careful this could cause infinite recursion.
-   * That's not a problem for now because empty_pollset has a trivial poller
-   * and we don't have any mechanism to unbecome multipoller. */
-  pollset->in_flight_cbs--;
-  if (pollset->shutting_down) {
-    /* We don't care about this pollset anymore. */
-    if (pollset->in_flight_cbs == 0 && !pollset->called_shutdown) {
-      pollset->called_shutdown = 1;
-      finish_shutdown(exec_ctx, pollset);
-    }
-  } else if (grpc_fd_is_orphaned(fd)) {
-    /* Don't try to add it to anything, we'll drop our ref on it below */
-  } else if (pollset->vtable != original_vtable) {
-    pollset->vtable->add_fd(exec_ctx, pollset, fd, 0);
-  } else if (fd != pollset->data.ptr) {
-    grpc_fd *fds[2];
-    fds[0] = pollset->data.ptr;
-    fds[1] = fd;
-
-    if (fds[0] && !grpc_fd_is_orphaned(fds[0])) {
-      grpc_platform_become_multipoller(exec_ctx, pollset, fds,
-                                       GPR_ARRAY_SIZE(fds));
-      GRPC_FD_UNREF(fds[0], "basicpoll");
-    } else {
-      /* old fd is orphaned and we haven't cleaned it up until now, so remain a
-       * unary poller */
-      /* Note that it is possible that fds[1] is also orphaned at this point.
-       * That's okay, we'll correct it at the next add or poll. */
-      if (fds[0]) GRPC_FD_UNREF(fds[0], "basicpoll");
-      pollset->data.ptr = fd;
-      GRPC_FD_REF(fd, "basicpoll");
-    }
-  }
-
-  gpr_mu_unlock(&pollset->mu);
-
-  /* Matching ref in basic_pollset_add_fd */
-  GRPC_FD_UNREF(fd, "basicpoll_add");
-}
-
-static void basic_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                                 grpc_fd *fd, int and_unlock_pollset) {
-  grpc_unary_promote_args *up_args;
-  GPR_ASSERT(fd);
-  if (fd == pollset->data.ptr) goto exit;
-
-  if (!grpc_pollset_has_workers(pollset)) {
-    /* Fast path -- no in flight cbs */
-    /* TODO(klempner): Comment this out and fix any test failures or establish
-     * they are due to timing issues */
-    grpc_fd *fds[2];
-    fds[0] = pollset->data.ptr;
-    fds[1] = fd;
-
-    if (fds[0] == NULL) {
-      pollset->data.ptr = fd;
-      GRPC_FD_REF(fd, "basicpoll");
-    } else if (!grpc_fd_is_orphaned(fds[0])) {
-      grpc_platform_become_multipoller(exec_ctx, pollset, fds,
-                                       GPR_ARRAY_SIZE(fds));
-      GRPC_FD_UNREF(fds[0], "basicpoll");
-    } else {
-      /* old fd is orphaned and we haven't cleaned it up until now, so remain a
-       * unary poller */
-      GRPC_FD_UNREF(fds[0], "basicpoll");
-      pollset->data.ptr = fd;
-      GRPC_FD_REF(fd, "basicpoll");
-    }
-    goto exit;
-  }
-
-  /* Now we need to promote. This needs to happen when we're not polling. Since
-   * this may be called from poll, the wait needs to happen asynchronously. */
-  GRPC_FD_REF(fd, "basicpoll_add");
-  pollset->in_flight_cbs++;
-  up_args = gpr_malloc(sizeof(*up_args));
-  up_args->fd = fd;
-  up_args->original_vtable = pollset->vtable;
-  up_args->pollset = pollset;
-  up_args->promotion_closure.cb = basic_do_promote;
-  up_args->promotion_closure.cb_arg = up_args;
-
-  grpc_closure_list_add(&pollset->idle_jobs, &up_args->promotion_closure, 1);
-  grpc_pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
-
-exit:
-  if (and_unlock_pollset) {
-    gpr_mu_unlock(&pollset->mu);
-  }
-}
-
-static void basic_pollset_maybe_work_and_unlock(grpc_exec_ctx *exec_ctx,
-                                                grpc_pollset *pollset,
-                                                grpc_pollset_worker *worker,
-                                                gpr_timespec deadline,
-                                                gpr_timespec now) {
-#define POLLOUT_CHECK (POLLOUT | POLLHUP | POLLERR)
-#define POLLIN_CHECK (POLLIN | POLLHUP | POLLERR)
-
-  struct pollfd pfd[3];
-  grpc_fd *fd;
-  grpc_fd_watcher fd_watcher;
-  int timeout;
-  int r;
-  nfds_t nfds;
-
-  fd = pollset->data.ptr;
-  if (fd && grpc_fd_is_orphaned(fd)) {
-    GRPC_FD_UNREF(fd, "basicpoll");
-    fd = pollset->data.ptr = NULL;
-  }
-  timeout = grpc_poll_deadline_to_millis_timeout(deadline, now);
-  pfd[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd);
-  pfd[0].events = POLLIN;
-  pfd[0].revents = 0;
-  pfd[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
-  pfd[1].events = POLLIN;
-  pfd[1].revents = 0;
-  nfds = 2;
-  if (fd) {
-    pfd[2].fd = fd->fd;
-    pfd[2].revents = 0;
-    GRPC_FD_REF(fd, "basicpoll_begin");
-    gpr_mu_unlock(&pollset->mu);
-    pfd[2].events = (short)grpc_fd_begin_poll(fd, pollset, worker, POLLIN,
-                                              POLLOUT, &fd_watcher);
-    if (pfd[2].events != 0) {
-      nfds++;
-    }
-  } else {
-    gpr_mu_unlock(&pollset->mu);
-  }
-
-  /* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
-     even going into the blocking annotation if possible */
-  /* poll fd count (argument 2) is shortened by one if we have no events
-     to poll on - such that it only includes the kicker */
-  GPR_TIMER_BEGIN("poll", 0);
-  GRPC_SCHEDULING_START_BLOCKING_REGION;
-  r = grpc_poll_function(pfd, nfds, timeout);
-  GRPC_SCHEDULING_END_BLOCKING_REGION;
-  GPR_TIMER_END("poll", 0);
-
-  if (r < 0) {
-    if (errno != EINTR) {
-      gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno));
-    }
-    if (fd) {
-      grpc_fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
-    }
-  } else if (r == 0) {
-    if (fd) {
-      grpc_fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
-    }
-  } else {
-    if (pfd[0].revents & POLLIN_CHECK) {
-      grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
-    }
-    if (pfd[1].revents & POLLIN_CHECK) {
-      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
-    }
-    if (nfds > 2) {
-      grpc_fd_end_poll(exec_ctx, &fd_watcher, pfd[2].revents & POLLIN_CHECK,
-                       pfd[2].revents & POLLOUT_CHECK);
-    } else if (fd) {
-      grpc_fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
-    }
-  }
-
-  if (fd) {
-    GRPC_FD_UNREF(fd, "basicpoll_begin");
-  }
-}
-
-static void basic_pollset_destroy(grpc_pollset *pollset) {
-  if (pollset->data.ptr != NULL) {
-    GRPC_FD_UNREF(pollset->data.ptr, "basicpoll");
-    pollset->data.ptr = NULL;
-  }
-}
-
-static const grpc_pollset_vtable basic_pollset = {
-    basic_pollset_add_fd, basic_pollset_maybe_work_and_unlock,
-    basic_pollset_destroy, basic_pollset_destroy};
-
-static void become_basic_pollset(grpc_pollset *pollset, grpc_fd *fd_or_null) {
-  pollset->vtable = &basic_pollset;
-  pollset->data.ptr = fd_or_null;
-  if (fd_or_null != NULL) {
-    GRPC_FD_REF(fd_or_null, "basicpoll");
-  }
-}
-
-#endif /* GPR_POSIX_POLLSET */
diff --git a/src/core/iomgr/pollset_posix.h b/src/core/iomgr/pollset_posix.h
deleted file mode 100644
index bbedb66b0076dbbeaf8a94dab07a5de90da5e931..0000000000000000000000000000000000000000
--- a/src/core/iomgr/pollset_posix.h
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_INTERNAL_CORE_IOMGR_POLLSET_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_POLLSET_POSIX_H
-
-#include <poll.h>
-
-#include <grpc/support/sync.h>
-
-#include "src/core/iomgr/exec_ctx.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/iomgr/pollset.h"
-#include "src/core/iomgr/wakeup_fd_posix.h"
-
-typedef struct grpc_pollset_vtable grpc_pollset_vtable;
-
-/* forward declare only in this file to avoid leaking impl details via
-   pollset.h; real users of grpc_fd should always include 'fd_posix.h' and not
-   use the struct tag */
-struct grpc_fd;
-
-typedef struct grpc_cached_wakeup_fd {
-  grpc_wakeup_fd fd;
-  struct grpc_cached_wakeup_fd *next;
-} grpc_cached_wakeup_fd;
-
-struct grpc_pollset_worker {
-  grpc_cached_wakeup_fd *wakeup_fd;
-  int reevaluate_polling_on_wakeup;
-  int kicked_specifically;
-  struct grpc_pollset_worker *next;
-  struct grpc_pollset_worker *prev;
-};
-
-struct grpc_pollset {
-  /* pollsets under posix can mutate representation as fds are added and
-     removed.
-     For example, we may choose a poll() based implementation on linux for
-     few fds, and an epoll() based implementation for many fds */
-  const grpc_pollset_vtable *vtable;
-  gpr_mu mu;
-  grpc_pollset_worker root_worker;
-  int in_flight_cbs;
-  int shutting_down;
-  int called_shutdown;
-  int kicked_without_pollers;
-  grpc_closure *shutdown_done;
-  grpc_closure_list idle_jobs;
-  union {
-    int fd;
-    void *ptr;
-  } data;
-  /* Local cache of eventfds for workers */
-  grpc_cached_wakeup_fd *local_wakeup_cache;
-};
-
-struct grpc_pollset_vtable {
-  void (*add_fd)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                 struct grpc_fd *fd, int and_unlock_pollset);
-  void (*maybe_work_and_unlock)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                                grpc_pollset_worker *worker,
-                                gpr_timespec deadline, gpr_timespec now);
-  void (*finish_shutdown)(grpc_pollset *pollset);
-  void (*destroy)(grpc_pollset *pollset);
-};
-
-/* Add an fd to a pollset */
-void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
-                         struct grpc_fd *fd);
-
-/* Returns the fd to listen on for kicks */
-int grpc_kick_read_fd(grpc_pollset *p);
-/* Call after polling has been kicked to leave the kicked state */
-void grpc_kick_drain(grpc_pollset *p);
-
-/* Convert a timespec to milliseconds:
-   - very small or negative poll times are clamped to zero to do a
-     non-blocking poll (which becomes spin polling)
-   - other small values are rounded up to one millisecond
-   - longer than a millisecond polls are rounded up to the next nearest
-     millisecond to avoid spinning
-   - infinite timeouts are converted to -1 */
-int grpc_poll_deadline_to_millis_timeout(gpr_timespec deadline,
-                                         gpr_timespec now);
-
-/* Allow kick to wakeup the currently polling worker */
-#define GRPC_POLLSET_CAN_KICK_SELF 1
-/* Force the wakee to repoll when awoken */
-#define GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP 2
-/* As per grpc_pollset_kick, with an extended set of flags (defined above)
-   -- mostly for fd_posix's use. */
-void grpc_pollset_kick_ext(grpc_pollset *p,
-                           grpc_pollset_worker *specific_worker,
-                           uint32_t flags);
-
-/* turn a pollset into a multipoller: platform specific */
-typedef void (*grpc_platform_become_multipoller_type)(grpc_exec_ctx *exec_ctx,
-                                                      grpc_pollset *pollset,
-                                                      struct grpc_fd **fds,
-                                                      size_t fd_count);
-extern grpc_platform_become_multipoller_type grpc_platform_become_multipoller;
-
-void grpc_poll_become_multipoller(grpc_exec_ctx *exec_ctx,
-                                  grpc_pollset *pollset, struct grpc_fd **fds,
-                                  size_t fd_count);
-
-/* Return 1 if the pollset has active threads in grpc_pollset_work (pollset must
- * be locked) */
-int grpc_pollset_has_workers(grpc_pollset *pollset);
-
-void grpc_remove_fd_from_all_epoll_sets(int fd);
-
-/* override to allow tests to hook poll() usage */
-/* NOTE: Any changes to grpc_poll_function must take place when the gRPC
-   is certainly not doing any polling anywhere.
-   Otherwise, there might be a race between changing the variable and actually
-   doing a polling operation */
-typedef int (*grpc_poll_function_type)(struct pollfd *, nfds_t, int);
-extern grpc_poll_function_type grpc_poll_function;
-extern grpc_wakeup_fd grpc_global_wakeup_fd;
-
-#endif /* GRPC_INTERNAL_CORE_IOMGR_POLLSET_POSIX_H */
diff --git a/src/core/iomgr/pollset_set_posix.c b/src/core/iomgr/pollset_set_posix.c
deleted file mode 100644
index 9dc9aff4a8d511b5ec6915c8c130dfa208243a26..0000000000000000000000000000000000000000
--- a/src/core/iomgr/pollset_set_posix.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#ifdef GPR_POSIX_SOCKET
-
-#include <stdlib.h>
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/useful.h>
-
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/iomgr/pollset_set_posix.h"
-
-struct grpc_pollset_set {
-  gpr_mu mu;
-
-  size_t pollset_count;
-  size_t pollset_capacity;
-  grpc_pollset **pollsets;
-
-  size_t pollset_set_count;
-  size_t pollset_set_capacity;
-  struct grpc_pollset_set **pollset_sets;
-
-  size_t fd_count;
-  size_t fd_capacity;
-  grpc_fd **fds;
-};
-
-grpc_pollset_set *grpc_pollset_set_create(void) {
-  grpc_pollset_set *pollset_set = gpr_malloc(sizeof(*pollset_set));
-  memset(pollset_set, 0, sizeof(*pollset_set));
-  gpr_mu_init(&pollset_set->mu);
-  return pollset_set;
-}
-
-void grpc_pollset_set_destroy(grpc_pollset_set *pollset_set) {
-  size_t i;
-  gpr_mu_destroy(&pollset_set->mu);
-  for (i = 0; i < pollset_set->fd_count; i++) {
-    GRPC_FD_UNREF(pollset_set->fds[i], "pollset_set");
-  }
-  gpr_free(pollset_set->pollsets);
-  gpr_free(pollset_set->pollset_sets);
-  gpr_free(pollset_set->fds);
-  gpr_free(pollset_set);
-}
-
-void grpc_pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
-                                  grpc_pollset_set *pollset_set,
-                                  grpc_pollset *pollset) {
-  size_t i, j;
-  gpr_mu_lock(&pollset_set->mu);
-  if (pollset_set->pollset_count == pollset_set->pollset_capacity) {
-    pollset_set->pollset_capacity =
-        GPR_MAX(8, 2 * pollset_set->pollset_capacity);
-    pollset_set->pollsets =
-        gpr_realloc(pollset_set->pollsets, pollset_set->pollset_capacity *
-                                               sizeof(*pollset_set->pollsets));
-  }
-  pollset_set->pollsets[pollset_set->pollset_count++] = pollset;
-  for (i = 0, j = 0; i < pollset_set->fd_count; i++) {
-    if (grpc_fd_is_orphaned(pollset_set->fds[i])) {
-      GRPC_FD_UNREF(pollset_set->fds[i], "pollset_set");
-    } else {
-      grpc_pollset_add_fd(exec_ctx, pollset, pollset_set->fds[i]);
-      pollset_set->fds[j++] = pollset_set->fds[i];
-    }
-  }
-  pollset_set->fd_count = j;
-  gpr_mu_unlock(&pollset_set->mu);
-}
-
-void grpc_pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
-                                  grpc_pollset_set *pollset_set,
-                                  grpc_pollset *pollset) {
-  size_t i;
-  gpr_mu_lock(&pollset_set->mu);
-  for (i = 0; i < pollset_set->pollset_count; i++) {
-    if (pollset_set->pollsets[i] == pollset) {
-      pollset_set->pollset_count--;
-      GPR_SWAP(grpc_pollset *, pollset_set->pollsets[i],
-               pollset_set->pollsets[pollset_set->pollset_count]);
-      break;
-    }
-  }
-  gpr_mu_unlock(&pollset_set->mu);
-}
-
-void grpc_pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
-                                      grpc_pollset_set *bag,
-                                      grpc_pollset_set *item) {
-  size_t i, j;
-  gpr_mu_lock(&bag->mu);
-  if (bag->pollset_set_count == bag->pollset_set_capacity) {
-    bag->pollset_set_capacity = GPR_MAX(8, 2 * bag->pollset_set_capacity);
-    bag->pollset_sets =
-        gpr_realloc(bag->pollset_sets,
-                    bag->pollset_set_capacity * sizeof(*bag->pollset_sets));
-  }
-  bag->pollset_sets[bag->pollset_set_count++] = item;
-  for (i = 0, j = 0; i < bag->fd_count; i++) {
-    if (grpc_fd_is_orphaned(bag->fds[i])) {
-      GRPC_FD_UNREF(bag->fds[i], "pollset_set");
-    } else {
-      grpc_pollset_set_add_fd(exec_ctx, item, bag->fds[i]);
-      bag->fds[j++] = bag->fds[i];
-    }
-  }
-  bag->fd_count = j;
-  gpr_mu_unlock(&bag->mu);
-}
-
-void grpc_pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
-                                      grpc_pollset_set *bag,
-                                      grpc_pollset_set *item) {
-  size_t i;
-  gpr_mu_lock(&bag->mu);
-  for (i = 0; i < bag->pollset_set_count; i++) {
-    if (bag->pollset_sets[i] == item) {
-      bag->pollset_set_count--;
-      GPR_SWAP(grpc_pollset_set *, bag->pollset_sets[i],
-               bag->pollset_sets[bag->pollset_set_count]);
-      break;
-    }
-  }
-  gpr_mu_unlock(&bag->mu);
-}
-
-void grpc_pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
-                             grpc_pollset_set *pollset_set, grpc_fd *fd) {
-  size_t i;
-  gpr_mu_lock(&pollset_set->mu);
-  if (pollset_set->fd_count == pollset_set->fd_capacity) {
-    pollset_set->fd_capacity = GPR_MAX(8, 2 * pollset_set->fd_capacity);
-    pollset_set->fds = gpr_realloc(
-        pollset_set->fds, pollset_set->fd_capacity * sizeof(*pollset_set->fds));
-  }
-  GRPC_FD_REF(fd, "pollset_set");
-  pollset_set->fds[pollset_set->fd_count++] = fd;
-  for (i = 0; i < pollset_set->pollset_count; i++) {
-    grpc_pollset_add_fd(exec_ctx, pollset_set->pollsets[i], fd);
-  }
-  for (i = 0; i < pollset_set->pollset_set_count; i++) {
-    grpc_pollset_set_add_fd(exec_ctx, pollset_set->pollset_sets[i], fd);
-  }
-  gpr_mu_unlock(&pollset_set->mu);
-}
-
-void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
-                             grpc_pollset_set *pollset_set, grpc_fd *fd) {
-  size_t i;
-  gpr_mu_lock(&pollset_set->mu);
-  for (i = 0; i < pollset_set->fd_count; i++) {
-    if (pollset_set->fds[i] == fd) {
-      pollset_set->fd_count--;
-      GPR_SWAP(grpc_fd *, pollset_set->fds[i],
-               pollset_set->fds[pollset_set->fd_count]);
-      GRPC_FD_UNREF(fd, "pollset_set");
-      break;
-    }
-  }
-  for (i = 0; i < pollset_set->pollset_set_count; i++) {
-    grpc_pollset_set_del_fd(exec_ctx, pollset_set->pollset_sets[i], fd);
-  }
-  gpr_mu_unlock(&pollset_set->mu);
-}
-
-#endif /* GPR_POSIX_SOCKET */
diff --git a/src/core/channel/channel_args.c b/src/core/lib/channel/channel_args.c
similarity index 94%
rename from src/core/channel/channel_args.c
rename to src/core/lib/channel/channel_args.c
index bae7a90a0152256546dd76a5bf9fc58e4b343b4b..28d2d78d00f81e015037f41c98be72d0022c7064 100644
--- a/src/core/channel/channel_args.c
+++ b/src/core/lib/channel/channel_args.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,10 @@
  *
  */
 
+#include "src/core/lib/channel/channel_args.h"
 #include <grpc/grpc.h>
-#include "src/core/channel/channel_args.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
-#include <grpc/census.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
@@ -165,17 +164,6 @@ void grpc_channel_args_destroy(grpc_channel_args *a) {
   gpr_free(a);
 }
 
-int grpc_channel_args_is_census_enabled(const grpc_channel_args *a) {
-  size_t i;
-  if (a == NULL) return 0;
-  for (i = 0; i < a->num_args; i++) {
-    if (0 == strcmp(a->args[i].key, GRPC_ARG_ENABLE_CENSUS)) {
-      return a->args[i].value.integer != 0 && census_enabled();
-    }
-  }
-  return census_enabled();
-}
-
 grpc_compression_algorithm grpc_channel_args_get_compression_algorithm(
     const grpc_channel_args *a) {
   size_t i;
diff --git a/src/core/channel/channel_args.h b/src/core/lib/channel/channel_args.h
similarity index 86%
rename from src/core/channel/channel_args.h
rename to src/core/lib/channel/channel_args.h
index b3a7c9f43492455b4086a7b0dcc5a313ece7e558..0a51780a14ee346bf7d6ae95dd92925e7ba893e2 100644
--- a/src/core/channel/channel_args.h
+++ b/src/core/lib/channel/channel_args.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,29 +31,29 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_CHANNEL_ARGS_H
-#define GRPC_INTERNAL_CORE_CHANNEL_CHANNEL_ARGS_H
+#ifndef GRPC_CORE_LIB_CHANNEL_CHANNEL_ARGS_H
+#define GRPC_CORE_LIB_CHANNEL_CHANNEL_ARGS_H
 
 #include <grpc/compression.h>
 #include <grpc/grpc.h>
 
-/* Copy some arguments */
+/** Copy the arguments in \a src into a new instance */
 grpc_channel_args *grpc_channel_args_copy(const grpc_channel_args *src);
 
-/* Copy some arguments, stably sorting keys */
-grpc_channel_args *grpc_channel_args_normalize(const grpc_channel_args *a);
+/** Copy the arguments in \a src into a new instance, stably sorting keys */
+grpc_channel_args *grpc_channel_args_normalize(const grpc_channel_args *src);
 
-/** Copy some arguments and add the to_add parameter in the end.
-   If to_add is NULL, it is equivalent to call grpc_channel_args_copy. */
+/** Copy the arguments in \a src and append \a to_add. If \a to_add is NULL, it
+ * is equivalent to calling \a grpc_channel_args_copy. */
 grpc_channel_args *grpc_channel_args_copy_and_add(const grpc_channel_args *src,
                                                   const grpc_arg *to_add,
                                                   size_t num_to_add);
 
-/** Copy args from a then args from b into a new channel args */
+/** Concatenate args from \a a and \a b into a new instance */
 grpc_channel_args *grpc_channel_args_merge(const grpc_channel_args *a,
                                            const grpc_channel_args *b);
 
-/** Destroy arguments created by grpc_channel_args_copy */
+/** Destroy arguments created by \a grpc_channel_args_copy */
 void grpc_channel_args_destroy(grpc_channel_args *a);
 
 /** Reads census_enabled settings from channel args. Returns 1 if census_enabled
@@ -91,4 +91,4 @@ int grpc_channel_args_compression_algorithm_get_states(
 int grpc_channel_args_compare(const grpc_channel_args *a,
                               const grpc_channel_args *b);
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_CHANNEL_ARGS_H */
+#endif /* GRPC_CORE_LIB_CHANNEL_CHANNEL_ARGS_H */
diff --git a/src/core/channel/channel_stack.c b/src/core/lib/channel/channel_stack.c
similarity index 99%
rename from src/core/channel/channel_stack.c
rename to src/core/lib/channel/channel_stack.c
index 3e616883640d1f91428aefbde37e3b397aaef122..e36066d8639d653a79705f5b16d80915109d9f56 100644
--- a/src/core/channel/channel_stack.c
+++ b/src/core/lib/channel/channel_stack.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 #include <grpc/support/log.h>
 
 #include <stdlib.h>
diff --git a/src/core/channel/channel_stack.h b/src/core/lib/channel/channel_stack.h
similarity index 97%
rename from src/core/channel/channel_stack.h
rename to src/core/lib/channel/channel_stack.h
index c01050e7179aacd982e079c6d2e5c2910a8c27f9..9e3a25a152d6408bb759a69ff7a41ba5ea986384 100644
--- a/src/core/channel/channel_stack.h
+++ b/src/core/lib/channel/channel_stack.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_CHANNEL_STACK_H
-#define GRPC_INTERNAL_CORE_CHANNEL_CHANNEL_STACK_H
+#ifndef GRPC_CORE_LIB_CHANNEL_CHANNEL_STACK_H
+#define GRPC_CORE_LIB_CHANNEL_CHANNEL_STACK_H
 
 /* A channel filter defines how operations on a channel are implemented.
    Channel filters are chained together to create full channels, and if those
@@ -45,8 +45,8 @@
 
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
-#include "src/core/debug/trace.h"
-#include "src/core/transport/transport.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/transport/transport.h"
 
 typedef struct grpc_channel_element grpc_channel_element;
 typedef struct grpc_call_element grpc_call_element;
@@ -257,4 +257,4 @@ extern int grpc_trace_channel;
 #define GRPC_CALL_LOG_OP(sev, elem, op) \
   if (grpc_trace_channel) grpc_call_log_op(sev, elem, op)
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_CHANNEL_STACK_H */
+#endif /* GRPC_CORE_LIB_CHANNEL_CHANNEL_STACK_H */
diff --git a/src/core/lib/channel/channel_stack_builder.c b/src/core/lib/channel/channel_stack_builder.c
new file mode 100644
index 0000000000000000000000000000000000000000..a8646c956577347772f0871ddc1841824fa57391
--- /dev/null
+++ b/src/core/lib/channel/channel_stack_builder.c
@@ -0,0 +1,277 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/channel/channel_stack_builder.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
+
+int grpc_trace_channel_stack_builder = 0;
+
+typedef struct filter_node {
+  struct filter_node *next;
+  struct filter_node *prev;
+  const grpc_channel_filter *filter;
+  grpc_post_filter_create_init_func init;
+  void *init_arg;
+} filter_node;
+
+struct grpc_channel_stack_builder {
+  // sentinel nodes for filters that have been added
+  filter_node begin;
+  filter_node end;
+  // various set/get-able parameters
+  grpc_channel_args *args;
+  grpc_transport *transport;
+  char *target;
+  const char *name;
+};
+
+struct grpc_channel_stack_builder_iterator {
+  grpc_channel_stack_builder *builder;
+  filter_node *node;
+};
+
+grpc_channel_stack_builder *grpc_channel_stack_builder_create(void) {
+  grpc_channel_stack_builder *b = gpr_malloc(sizeof(*b));
+  memset(b, 0, sizeof(*b));
+
+  b->begin.filter = NULL;
+  b->end.filter = NULL;
+  b->begin.next = &b->end;
+  b->begin.prev = &b->end;
+  b->end.next = &b->begin;
+  b->end.prev = &b->begin;
+
+  return b;
+}
+
+void grpc_channel_stack_builder_set_target(grpc_channel_stack_builder *b,
+                                           const char *target) {
+  gpr_free(b->target);
+  b->target = gpr_strdup(target);
+}
+
+const char *grpc_channel_stack_builder_get_target(
+    grpc_channel_stack_builder *b) {
+  return b->target;
+}
+
+static grpc_channel_stack_builder_iterator *create_iterator_at_filter_node(
+    grpc_channel_stack_builder *builder, filter_node *node) {
+  grpc_channel_stack_builder_iterator *it = gpr_malloc(sizeof(*it));
+  it->builder = builder;
+  it->node = node;
+  return it;
+}
+
+void grpc_channel_stack_builder_iterator_destroy(
+    grpc_channel_stack_builder_iterator *it) {
+  gpr_free(it);
+}
+
+grpc_channel_stack_builder_iterator *
+grpc_channel_stack_builder_create_iterator_at_first(
+    grpc_channel_stack_builder *builder) {
+  return create_iterator_at_filter_node(builder, &builder->begin);
+}
+
+grpc_channel_stack_builder_iterator *
+grpc_channel_stack_builder_create_iterator_at_last(
+    grpc_channel_stack_builder *builder) {
+  return create_iterator_at_filter_node(builder, &builder->end);
+}
+
+bool grpc_channel_stack_builder_move_next(
+    grpc_channel_stack_builder_iterator *iterator) {
+  if (iterator->node == &iterator->builder->end) return false;
+  iterator->node = iterator->node->next;
+  return true;
+}
+
+bool grpc_channel_stack_builder_move_prev(
+    grpc_channel_stack_builder_iterator *iterator) {
+  if (iterator->node == &iterator->builder->begin) return false;
+  iterator->node = iterator->node->prev;
+  return true;
+}
+
+bool grpc_channel_stack_builder_move_prev(
+    grpc_channel_stack_builder_iterator *iterator);
+
+void grpc_channel_stack_builder_set_name(grpc_channel_stack_builder *builder,
+                                         const char *name) {
+  GPR_ASSERT(builder->name == NULL);
+  builder->name = name;
+}
+
+void grpc_channel_stack_builder_set_channel_arguments(
+    grpc_channel_stack_builder *builder, const grpc_channel_args *args) {
+  if (builder->args != NULL) {
+    grpc_channel_args_destroy(builder->args);
+  }
+  builder->args = grpc_channel_args_copy(args);
+}
+
+void grpc_channel_stack_builder_set_transport(
+    grpc_channel_stack_builder *builder, grpc_transport *transport) {
+  GPR_ASSERT(builder->transport == NULL);
+  builder->transport = transport;
+}
+
+grpc_transport *grpc_channel_stack_builder_get_transport(
+    grpc_channel_stack_builder *builder) {
+  return builder->transport;
+}
+
+const grpc_channel_args *grpc_channel_stack_builder_get_channel_arguments(
+    grpc_channel_stack_builder *builder) {
+  return builder->args;
+}
+
+bool grpc_channel_stack_builder_append_filter(
+    grpc_channel_stack_builder *builder, const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func, void *user_data) {
+  grpc_channel_stack_builder_iterator *it =
+      grpc_channel_stack_builder_create_iterator_at_last(builder);
+  bool ok = grpc_channel_stack_builder_add_filter_before(
+      it, filter, post_init_func, user_data);
+  grpc_channel_stack_builder_iterator_destroy(it);
+  return ok;
+}
+
+bool grpc_channel_stack_builder_prepend_filter(
+    grpc_channel_stack_builder *builder, const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func, void *user_data) {
+  grpc_channel_stack_builder_iterator *it =
+      grpc_channel_stack_builder_create_iterator_at_first(builder);
+  bool ok = grpc_channel_stack_builder_add_filter_after(
+      it, filter, post_init_func, user_data);
+  grpc_channel_stack_builder_iterator_destroy(it);
+  return ok;
+}
+
+static void add_after(filter_node *before, const grpc_channel_filter *filter,
+                      grpc_post_filter_create_init_func post_init_func,
+                      void *user_data) {
+  filter_node *new = gpr_malloc(sizeof(*new));
+  new->next = before->next;
+  new->prev = before;
+  new->next->prev = new->prev->next = new;
+  new->filter = filter;
+  new->init = post_init_func;
+  new->init_arg = user_data;
+}
+
+bool grpc_channel_stack_builder_add_filter_before(
+    grpc_channel_stack_builder_iterator *iterator,
+    const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func, void *user_data) {
+  if (iterator->node == &iterator->builder->begin) return false;
+  add_after(iterator->node->prev, filter, post_init_func, user_data);
+  return true;
+}
+
+bool grpc_channel_stack_builder_add_filter_after(
+    grpc_channel_stack_builder_iterator *iterator,
+    const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func, void *user_data) {
+  if (iterator->node == &iterator->builder->end) return false;
+  add_after(iterator->node, filter, post_init_func, user_data);
+  return true;
+}
+
+void grpc_channel_stack_builder_destroy(grpc_channel_stack_builder *builder) {
+  filter_node *p = builder->begin.next;
+  while (p != &builder->end) {
+    filter_node *next = p->next;
+    gpr_free(p);
+    p = next;
+  }
+  if (builder->args != NULL) {
+    grpc_channel_args_destroy(builder->args);
+  }
+  gpr_free(builder->target);
+  gpr_free(builder);
+}
+
+void *grpc_channel_stack_builder_finish(grpc_exec_ctx *exec_ctx,
+                                        grpc_channel_stack_builder *builder,
+                                        size_t prefix_bytes, int initial_refs,
+                                        grpc_iomgr_cb_func destroy,
+                                        void *destroy_arg) {
+  // count the number of filters
+  size_t num_filters = 0;
+  for (filter_node *p = builder->begin.next; p != &builder->end; p = p->next) {
+    num_filters++;
+  }
+
+  // create an array of filters
+  const grpc_channel_filter **filters =
+      gpr_malloc(sizeof(*filters) * num_filters);
+  size_t i = 0;
+  for (filter_node *p = builder->begin.next; p != &builder->end; p = p->next) {
+    filters[i++] = p->filter;
+  }
+
+  // calculate the size of the channel stack
+  size_t channel_stack_size = grpc_channel_stack_size(filters, num_filters);
+
+  // allocate memory, with prefix_bytes followed by channel_stack_size
+  char *result = gpr_malloc(prefix_bytes + channel_stack_size);
+  // fetch a pointer to the channel stack
+  grpc_channel_stack *channel_stack =
+      (grpc_channel_stack *)(result + prefix_bytes);
+  // and initialize it
+  grpc_channel_stack_init(exec_ctx, initial_refs, destroy,
+                          destroy_arg == NULL ? result : destroy_arg, filters,
+                          num_filters, builder->args, builder->name,
+                          channel_stack);
+
+  // run post-initialization functions
+  i = 0;
+  for (filter_node *p = builder->begin.next; p != &builder->end; p = p->next) {
+    if (p->init != NULL) {
+      p->init(channel_stack, grpc_channel_stack_element(channel_stack, i),
+              p->init_arg);
+    }
+    i++;
+  }
+
+  grpc_channel_stack_builder_destroy(builder);
+  gpr_free((grpc_channel_filter **)filters);
+
+  return result;
+}
diff --git a/src/core/lib/channel/channel_stack_builder.h b/src/core/lib/channel/channel_stack_builder.h
new file mode 100644
index 0000000000000000000000000000000000000000..0e6bfd9aa690e8ae8bc69a02c443eabb2f7898e3
--- /dev/null
+++ b/src/core/lib/channel/channel_stack_builder.h
@@ -0,0 +1,161 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_CHANNEL_CHANNEL_STACK_BUILDER_H
+#define GRPC_CORE_LIB_CHANNEL_CHANNEL_STACK_BUILDER_H
+
+#include <stdbool.h>
+
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/channel_stack.h"
+
+/// grpc_channel_stack_builder offers a programmatic interface to selected
+/// and order channel filters
+typedef struct grpc_channel_stack_builder grpc_channel_stack_builder;
+typedef struct grpc_channel_stack_builder_iterator
+    grpc_channel_stack_builder_iterator;
+
+/// Create a new channel stack builder
+grpc_channel_stack_builder *grpc_channel_stack_builder_create(void);
+
+/// Assign a name to the channel stack: \a name must be statically allocated
+void grpc_channel_stack_builder_set_name(grpc_channel_stack_builder *builder,
+                                         const char *name);
+
+/// Set the target uri
+void grpc_channel_stack_builder_set_target(grpc_channel_stack_builder *b,
+                                           const char *target);
+
+const char *grpc_channel_stack_builder_get_target(
+    grpc_channel_stack_builder *b);
+
+/// Attach \a transport to the builder (does not take ownership)
+void grpc_channel_stack_builder_set_transport(
+    grpc_channel_stack_builder *builder, grpc_transport *transport);
+
+/// Fetch attached transport
+grpc_transport *grpc_channel_stack_builder_get_transport(
+    grpc_channel_stack_builder *builder);
+
+/// Set channel arguments: copies args
+void grpc_channel_stack_builder_set_channel_arguments(
+    grpc_channel_stack_builder *builder, const grpc_channel_args *args);
+
+/// Return a borrowed pointer to the channel arguments
+const grpc_channel_args *grpc_channel_stack_builder_get_channel_arguments(
+    grpc_channel_stack_builder *builder);
+
+/// Begin iterating over already defined filters in the builder at the beginning
+grpc_channel_stack_builder_iterator *
+grpc_channel_stack_builder_create_iterator_at_first(
+    grpc_channel_stack_builder *builder);
+
+/// Begin iterating over already defined filters in the builder at the end
+grpc_channel_stack_builder_iterator *
+grpc_channel_stack_builder_create_iterator_at_last(
+    grpc_channel_stack_builder *builder);
+
+/// Is an iterator at the first element?
+bool grpc_channel_stack_builder_iterator_is_first(
+    grpc_channel_stack_builder_iterator *iterator);
+
+/// Is an iterator at the end?
+bool grpc_channel_stack_builder_iterator_is_end(
+    grpc_channel_stack_builder_iterator *iterator);
+
+/// Move an iterator to the next item
+bool grpc_channel_stack_builder_move_next(
+    grpc_channel_stack_builder_iterator *iterator);
+
+/// Move an iterator to the previous item
+bool grpc_channel_stack_builder_move_prev(
+    grpc_channel_stack_builder_iterator *iterator);
+
+typedef void (*grpc_post_filter_create_init_func)(
+    grpc_channel_stack *channel_stack, grpc_channel_element *elem, void *arg);
+
+/// Add \a filter to the stack, after \a iterator.
+/// Call \a post_init_func(..., \a user_data) once the channel stack is
+/// created.
+bool grpc_channel_stack_builder_add_filter_after(
+    grpc_channel_stack_builder_iterator *iterator,
+    const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func,
+    void *user_data) GRPC_MUST_USE_RESULT;
+
+/// Add \a filter to the stack, before \a iterator.
+/// Call \a post_init_func(..., \a user_data) once the channel stack is
+/// created.
+bool grpc_channel_stack_builder_add_filter_before(
+    grpc_channel_stack_builder_iterator *iterator,
+    const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func,
+    void *user_data) GRPC_MUST_USE_RESULT;
+
+/// Add \a filter to the beginning of the filter list.
+/// Call \a post_init_func(..., \a user_data) once the channel stack is
+/// created.
+bool grpc_channel_stack_builder_prepend_filter(
+    grpc_channel_stack_builder *builder, const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func,
+    void *user_data) GRPC_MUST_USE_RESULT;
+
+/// Add \a filter to the end of the filter list.
+/// Call \a post_init_func(..., \a user_data) once the channel stack is
+/// created.
+bool grpc_channel_stack_builder_append_filter(
+    grpc_channel_stack_builder *builder, const grpc_channel_filter *filter,
+    grpc_post_filter_create_init_func post_init_func,
+    void *user_data) GRPC_MUST_USE_RESULT;
+
+/// Terminate iteration and destroy \a iterator
+void grpc_channel_stack_builder_iterator_destroy(
+    grpc_channel_stack_builder_iterator *iterator);
+
+/// Destroy the builder, return the freshly minted channel stack
+/// Allocates \a prefix_bytes bytes before the channel stack
+/// Returns the base pointer of the allocated block
+/// \a initial_refs, \a destroy, \a destroy_arg are as per
+/// grpc_channel_stack_init
+void *grpc_channel_stack_builder_finish(grpc_exec_ctx *exec_ctx,
+                                        grpc_channel_stack_builder *builder,
+                                        size_t prefix_bytes, int initial_refs,
+                                        grpc_iomgr_cb_func destroy,
+                                        void *destroy_arg);
+
+/// Destroy the builder without creating a channel stack
+void grpc_channel_stack_builder_destroy(grpc_channel_stack_builder *builder);
+
+extern int grpc_trace_channel_stack_builder;
+
+#endif /* GRPC_CORE_LIB_CHANNEL_CHANNEL_STACK_BUILDER_H */
diff --git a/src/core/channel/compress_filter.c b/src/core/lib/channel/compress_filter.c
similarity index 91%
rename from src/core/channel/compress_filter.c
rename to src/core/lib/channel/compress_filter.c
index 3e7ca08fd29e7b1d73eb4b8ea352ac854e0963dc..3d42d0e616187b0d5ca9475a0301f4327b75d0cb 100644
--- a/src/core/channel/compress_filter.c
+++ b/src/core/lib/channel/compress_filter.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,13 +39,13 @@
 #include <grpc/support/log.h>
 #include <grpc/support/slice_buffer.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/compression/algorithm_metadata.h"
-#include "src/core/compression/message_compress.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/compression/algorithm_metadata.h"
+#include "src/core/lib/compression/message_compress.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 typedef struct call_data {
   gpr_slice_buffer slices; /**< Buffers up input slices to be compressed */
@@ -268,8 +268,14 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx,
   channeld->default_compression_algorithm =
       grpc_channel_args_get_compression_algorithm(args->channel_args);
   /* Make sure the default isn't disabled. */
-  GPR_ASSERT(grpc_compression_options_is_algorithm_enabled(
-      &channeld->compression_options, channeld->default_compression_algorithm));
+  if (!grpc_compression_options_is_algorithm_enabled(
+          &channeld->compression_options,
+          channeld->default_compression_algorithm)) {
+    gpr_log(GPR_DEBUG,
+            "compression algorithm %d not enabled: switching to none",
+            channeld->default_compression_algorithm);
+    channeld->default_compression_algorithm = GRPC_COMPRESS_NONE;
+  }
   channeld->compression_options.default_compression_algorithm =
       channeld->default_compression_algorithm;
 
@@ -291,7 +297,14 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
                                  grpc_channel_element *elem) {}
 
 const grpc_channel_filter grpc_compress_filter = {
-    compress_start_transport_stream_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
-    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
-    grpc_call_next_get_peer, "compress"};
+    compress_start_transport_stream_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "compress"};
diff --git a/src/core/channel/compress_filter.h b/src/core/lib/channel/compress_filter.h
similarity index 92%
rename from src/core/channel/compress_filter.h
rename to src/core/lib/channel/compress_filter.h
index 415459bca60991261a74e09b099119a2bf7242b4..0d973329c441d7234d09ca5390e237341320ac7c 100644
--- a/src/core/channel/compress_filter.h
+++ b/src/core/lib/channel/compress_filter.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_COMPRESS_FILTER_H
-#define GRPC_INTERNAL_CORE_CHANNEL_COMPRESS_FILTER_H
+#ifndef GRPC_CORE_LIB_CHANNEL_COMPRESS_FILTER_H
+#define GRPC_CORE_LIB_CHANNEL_COMPRESS_FILTER_H
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 #define GRPC_COMPRESS_REQUEST_ALGORITHM_KEY "grpc-internal-encoding-request"
 
@@ -62,4 +62,4 @@
 
 extern const grpc_channel_filter grpc_compress_filter;
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_COMPRESS_FILTER_H */
+#endif /* GRPC_CORE_LIB_CHANNEL_COMPRESS_FILTER_H */
diff --git a/src/core/channel/connected_channel.c b/src/core/lib/channel/connected_channel.c
similarity index 83%
rename from src/core/channel/connected_channel.c
rename to src/core/lib/channel/connected_channel.c
index e8eb9dcfc5cb2f78953ab04bf875366f8b389d91..c1debab4c620f370c0770f1a912bf97cd96f7d44 100644
--- a/src/core/channel/connected_channel.c
+++ b/src/core/lib/channel/connected_channel.c
@@ -31,19 +31,19 @@
  *
  */
 
-#include "src/core/channel/connected_channel.h"
+#include "src/core/lib/channel/connected_channel.h"
 
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
-#include "src/core/transport/transport.h"
-#include "src/core/profiling/timers.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice_buffer.h>
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/transport.h"
 
 #define MAX_BUFFER_LENGTH 8192
 
@@ -67,7 +67,6 @@ static void con_start_transport_stream_op(grpc_exec_ctx *exec_ctx,
                                           grpc_transport_stream_op *op) {
   call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
-  GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
   GRPC_CALL_LOG_OP(GPR_INFO, elem, op);
 
   grpc_transport_perform_stream_op(exec_ctx, chand->transport,
@@ -88,7 +87,6 @@ static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
   channel_data *chand = elem->channel_data;
   int r;
 
-  GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
   r = grpc_transport_init_stream(
       exec_ctx, chand->transport, TRANSPORT_STREAM_FROM_CALL_DATA(calld),
       &args->call_stack->refcount, args->server_transport_data);
@@ -108,7 +106,6 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx,
                               grpc_call_element *elem) {
   call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
-  GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
   grpc_transport_destroy_stream(exec_ctx, chand->transport,
                                 TRANSPORT_STREAM_FROM_CALL_DATA(calld));
 }
@@ -119,7 +116,6 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx,
                               grpc_channel_element_args *args) {
   channel_data *cd = (channel_data *)elem->channel_data;
   GPR_ASSERT(args->is_last);
-  GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
   cd->transport = NULL;
 }
 
@@ -127,7 +123,6 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx,
 static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
                                  grpc_channel_element *elem) {
   channel_data *cd = (channel_data *)elem->channel_data;
-  GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
   grpc_transport_destroy(exec_ctx, cd->transport);
 }
 
@@ -136,21 +131,26 @@ static char *con_get_peer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
   return grpc_transport_get_peer(exec_ctx, chand->transport);
 }
 
-const grpc_channel_filter grpc_connected_channel_filter = {
-    con_start_transport_stream_op, con_start_transport_op, sizeof(call_data),
-    init_call_elem, set_pollset, destroy_call_elem, sizeof(channel_data),
-    init_channel_elem, destroy_channel_elem, con_get_peer, "connected",
+static const grpc_channel_filter connected_channel_filter = {
+    con_start_transport_stream_op,
+    con_start_transport_op,
+    sizeof(call_data),
+    init_call_elem,
+    set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    con_get_peer,
+    "connected",
 };
 
-void grpc_connected_channel_bind_transport(grpc_channel_stack *channel_stack,
-                                           grpc_transport *transport) {
-  /* Assumes that the connected channel filter is always the last filter
-     in a channel stack */
-  grpc_channel_element *elem = grpc_channel_stack_last_element(channel_stack);
+static void bind_transport(grpc_channel_stack *channel_stack,
+                           grpc_channel_element *elem, void *t) {
   channel_data *cd = (channel_data *)elem->channel_data;
-  GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
+  GPR_ASSERT(elem->filter == &connected_channel_filter);
   GPR_ASSERT(cd->transport == NULL);
-  cd->transport = transport;
+  cd->transport = t;
 
   /* HACK(ctiller): increase call stack size for the channel to make space
      for channel data. We need a cleaner (but performant) way to do this,
@@ -158,7 +158,16 @@ void grpc_connected_channel_bind_transport(grpc_channel_stack *channel_stack,
      This is only "safe" because call stacks place no additional data after
      the last call element, and the last call element MUST be the connected
      channel. */
-  channel_stack->call_stack_size += grpc_transport_stream_size(transport);
+  channel_stack->call_stack_size += grpc_transport_stream_size(t);
+}
+
+bool grpc_add_connected_filter(grpc_channel_stack_builder *builder,
+                               void *arg_must_be_null) {
+  GPR_ASSERT(arg_must_be_null == NULL);
+  grpc_transport *t = grpc_channel_stack_builder_get_transport(builder);
+  GPR_ASSERT(t != NULL);
+  return grpc_channel_stack_builder_append_filter(
+      builder, &connected_channel_filter, bind_transport, t);
 }
 
 grpc_stream *grpc_connected_channel_get_stream(grpc_call_element *elem) {
diff --git a/src/core/surface/init_secure.c b/src/core/lib/channel/connected_channel.h
similarity index 81%
rename from src/core/surface/init_secure.c
rename to src/core/lib/channel/connected_channel.h
index fa20e91583c996e70df68b33a118e319174e6407..3142d647b7e4257a14106a41f9ef7c34164739b0 100644
--- a/src/core/surface/init_secure.c
+++ b/src/core/lib/channel/connected_channel.h
@@ -31,12 +31,12 @@
  *
  */
 
-#include "src/core/surface/init.h"
-#include "src/core/debug/trace.h"
-#include "src/core/security/secure_endpoint.h"
-#include "src/core/tsi/transport_security_interface.h"
+#ifndef GRPC_CORE_LIB_CHANNEL_CONNECTED_CHANNEL_H
+#define GRPC_CORE_LIB_CHANNEL_CONNECTED_CHANNEL_H
 
-void grpc_security_pre_init(void) {
-  grpc_register_tracer("secure_endpoint", &grpc_trace_secure_endpoint);
-  grpc_register_tracer("transport_security", &tsi_tracing_enabled);
-}
+#include "src/core/lib/channel/channel_stack_builder.h"
+
+bool grpc_add_connected_filter(grpc_channel_stack_builder *builder,
+                               void *arg_must_be_null);
+
+#endif /* GRPC_CORE_LIB_CHANNEL_CONNECTED_CHANNEL_H */
diff --git a/src/core/channel/context.h b/src/core/lib/channel/context.h
similarity index 92%
rename from src/core/channel/context.h
rename to src/core/lib/channel/context.h
index ac5796b9ef19fce5968790a791d56c0e86708dc3..c50e84279d46686a5f448579e4bf4c5d2384e92f 100644
--- a/src/core/channel/context.h
+++ b/src/core/lib/channel/context.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_CONTEXT_H
-#define GRPC_INTERNAL_CORE_CHANNEL_CONTEXT_H
+#ifndef GRPC_CORE_LIB_CHANNEL_CONTEXT_H
+#define GRPC_CORE_LIB_CHANNEL_CONTEXT_H
 
 /* Call object context pointers */
 typedef enum {
@@ -46,4 +46,4 @@ typedef struct {
   void (*destroy)(void *);
 } grpc_call_context_element;
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_CONTEXT_H */
+#endif /* GRPC_CORE_LIB_CHANNEL_CONTEXT_H */
diff --git a/src/core/channel/http_client_filter.c b/src/core/lib/channel/http_client_filter.c
similarity index 92%
rename from src/core/channel/http_client_filter.c
rename to src/core/lib/channel/http_client_filter.c
index 1aa27208c2e9725aebfad8b2ddfc18a29a9671c1..211f537c6919b6e69da003c2dfb341d149079167 100644
--- a/src/core/channel/http_client_filter.c
+++ b/src/core/lib/channel/http_client_filter.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -30,14 +30,14 @@
  *
  */
 
-#include "src/core/channel/http_client_filter.h"
+#include "src/core/lib/channel/http_client_filter.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <string.h>
-#include "src/core/profiling/timers.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 typedef struct call_data {
   grpc_linked_mdelem method;
@@ -111,8 +111,12 @@ static void hc_mutate_op(grpc_call_element *elem,
                                elem);
     /* Send : prefixed headers, which have to be before any application
        layer headers. */
-    grpc_metadata_batch_add_head(op->send_initial_metadata, &calld->method,
-                                 GRPC_MDELEM_METHOD_POST);
+    grpc_metadata_batch_add_head(
+        op->send_initial_metadata, &calld->method,
+        op->send_initial_metadata_flags &
+                GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST
+            ? GRPC_MDELEM_METHOD_PUT
+            : GRPC_MDELEM_METHOD_POST);
     grpc_metadata_batch_add_head(op->send_initial_metadata, &calld->scheme,
                                  channeld->static_scheme);
     grpc_metadata_batch_add_tail(op->send_initial_metadata, &calld->te_trailers,
@@ -242,7 +246,14 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
 }
 
 const grpc_channel_filter grpc_http_client_filter = {
-    hc_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
-    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
-    grpc_call_next_get_peer, "http-client"};
+    hc_start_transport_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "http-client"};
diff --git a/src/core/channel/http_client_filter.h b/src/core/lib/channel/http_client_filter.h
similarity index 88%
rename from src/core/channel/http_client_filter.h
rename to src/core/lib/channel/http_client_filter.h
index 21c66b9b8ee758aa9a3851d10b6e1f7375f397c7..a884b36318a8feda91ae7b7b20df1760a5eb1d5c 100644
--- a/src/core/channel/http_client_filter.h
+++ b/src/core/lib/channel/http_client_filter.h
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_HTTP_CLIENT_FILTER_H
-#define GRPC_INTERNAL_CORE_CHANNEL_HTTP_CLIENT_FILTER_H
+#ifndef GRPC_CORE_LIB_CHANNEL_HTTP_CLIENT_FILTER_H
+#define GRPC_CORE_LIB_CHANNEL_HTTP_CLIENT_FILTER_H
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 /* Processes metadata on the client side for HTTP2 transports */
 extern const grpc_channel_filter grpc_http_client_filter;
 
 #define GRPC_ARG_HTTP2_SCHEME "grpc.http2_scheme"
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_HTTP_CLIENT_FILTER_H */
+#endif /* GRPC_CORE_LIB_CHANNEL_HTTP_CLIENT_FILTER_H */
diff --git a/src/core/channel/http_server_filter.c b/src/core/lib/channel/http_server_filter.c
similarity index 88%
rename from src/core/channel/http_server_filter.c
rename to src/core/lib/channel/http_server_filter.c
index 370f8dbe423d3a6b4f09a18198369f0f4f930cbf..c140c61b8f3307dc062ff5534eac04877592091d 100644
--- a/src/core/channel/http_server_filter.c
+++ b/src/core/lib/channel/http_server_filter.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,17 +31,17 @@
  *
  */
 
-#include "src/core/channel/http_server_filter.h"
+#include "src/core/lib/channel/http_server_filter.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <string.h>
-#include "src/core/profiling/timers.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 typedef struct call_data {
   uint8_t seen_path;
-  uint8_t seen_post;
+  uint8_t seen_method;
   uint8_t sent_status;
   uint8_t seen_scheme;
   uint8_t seen_te_trailers;
@@ -50,6 +50,7 @@ typedef struct call_data {
   grpc_linked_mdelem content_type;
 
   grpc_metadata_batch *recv_initial_metadata;
+  bool *recv_idempotent_request;
   /** Closure to call when finished with the hs_on_recv hook */
   grpc_closure *on_done_recv;
   /** Receive closures are chained: we inject this closure as the on_done_recv
@@ -72,11 +73,16 @@ static grpc_mdelem *server_filter(void *user_data, grpc_mdelem *md) {
 
   /* Check if it is one of the headers we care about. */
   if (md == GRPC_MDELEM_TE_TRAILERS || md == GRPC_MDELEM_METHOD_POST ||
-      md == GRPC_MDELEM_SCHEME_HTTP || md == GRPC_MDELEM_SCHEME_HTTPS ||
+      md == GRPC_MDELEM_METHOD_PUT || md == GRPC_MDELEM_SCHEME_HTTP ||
+      md == GRPC_MDELEM_SCHEME_HTTPS ||
       md == GRPC_MDELEM_CONTENT_TYPE_APPLICATION_SLASH_GRPC) {
     /* swallow it */
     if (md == GRPC_MDELEM_METHOD_POST) {
-      calld->seen_post = 1;
+      calld->seen_method = 1;
+      *calld->recv_idempotent_request = false;
+    } else if (md == GRPC_MDELEM_METHOD_PUT) {
+      calld->seen_method = 1;
+      *calld->recv_idempotent_request = true;
     } else if (md->key == GRPC_MDSTR_SCHEME) {
       calld->seen_scheme = 1;
     } else if (md == GRPC_MDELEM_TE_TRAILERS) {
@@ -142,7 +148,7 @@ static void hs_on_recv(grpc_exec_ctx *exec_ctx, void *user_data, bool success) {
     /* Have we seen the required http2 transport headers?
        (:method, :scheme, content-type, with :path and :authority covered
        at the channel level right now) */
-    if (calld->seen_post && calld->seen_scheme && calld->seen_te_trailers &&
+    if (calld->seen_method && calld->seen_scheme && calld->seen_te_trailers &&
         calld->seen_path && calld->seen_authority) {
       /* do nothing */
     } else {
@@ -152,7 +158,7 @@ static void hs_on_recv(grpc_exec_ctx *exec_ctx, void *user_data, bool success) {
       if (!calld->seen_authority) {
         gpr_log(GPR_ERROR, "Missing :authority header");
       }
-      if (!calld->seen_post) {
+      if (!calld->seen_method) {
         gpr_log(GPR_ERROR, "Missing :method header");
       }
       if (!calld->seen_scheme) {
@@ -185,7 +191,9 @@ static void hs_mutate_op(grpc_call_element *elem,
 
   if (op->recv_initial_metadata) {
     /* substitute our callback for the higher callback */
+    GPR_ASSERT(op->recv_idempotent_request != NULL);
     calld->recv_initial_metadata = op->recv_initial_metadata;
+    calld->recv_idempotent_request = op->recv_idempotent_request;
     calld->on_done_recv = op->recv_initial_metadata_ready;
     op->recv_initial_metadata_ready = &calld->hs_on_recv;
   }
@@ -227,7 +235,14 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
                                  grpc_channel_element *elem) {}
 
 const grpc_channel_filter grpc_http_server_filter = {
-    hs_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
-    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
-    grpc_call_next_get_peer, "http-server"};
+    hs_start_transport_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "http-server"};
diff --git a/src/core/channel/http_server_filter.h b/src/core/lib/channel/http_server_filter.h
similarity index 88%
rename from src/core/channel/http_server_filter.h
rename to src/core/lib/channel/http_server_filter.h
index f219d4e66f38724c2143c3fb46f2f081ffff02a2..77ba2d263d1ac1aa0b14e9618e8587f8f4a6edff 100644
--- a/src/core/channel/http_server_filter.h
+++ b/src/core/lib/channel/http_server_filter.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_HTTP_SERVER_FILTER_H
-#define GRPC_INTERNAL_CORE_CHANNEL_HTTP_SERVER_FILTER_H
+#ifndef GRPC_CORE_LIB_CHANNEL_HTTP_SERVER_FILTER_H
+#define GRPC_CORE_LIB_CHANNEL_HTTP_SERVER_FILTER_H
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 /* Processes metadata on the client side for HTTP2 transports */
 extern const grpc_channel_filter grpc_http_server_filter;
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_HTTP_SERVER_FILTER_H */
+#endif /* GRPC_CORE_LIB_CHANNEL_HTTP_SERVER_FILTER_H */
diff --git a/src/core/compression/algorithm_metadata.h b/src/core/lib/compression/algorithm_metadata.h
similarity index 90%
rename from src/core/compression/algorithm_metadata.h
rename to src/core/lib/compression/algorithm_metadata.h
index 882633c3074ebd8dcd5ac5393b2097990aeeab30..1f9cc15f230eb4756b359e9ac314d8999ff1a6c4 100644
--- a/src/core/compression/algorithm_metadata.h
+++ b/src/core/lib/compression/algorithm_metadata.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_COMPRESSION_ALGORITHM_METADATA_H
-#define GRPC_INTERNAL_CORE_COMPRESSION_ALGORITHM_METADATA_H
+#ifndef GRPC_CORE_LIB_COMPRESSION_ALGORITHM_METADATA_H
+#define GRPC_CORE_LIB_COMPRESSION_ALGORITHM_METADATA_H
 
 #include <grpc/compression.h>
-#include "src/core/transport/metadata.h"
+#include "src/core/lib/transport/metadata.h"
 
 /** Return compression algorithm based metadata value */
 grpc_mdstr *grpc_compression_algorithm_mdstr(
@@ -50,4 +50,4 @@ grpc_mdelem *grpc_compression_encoding_mdelem(
 grpc_compression_algorithm grpc_compression_algorithm_from_mdstr(
     grpc_mdstr *str);
 
-#endif /* GRPC_INTERNAL_CORE_COMPRESSION_ALGORITHM_METADATA_H */
+#endif /* GRPC_CORE_LIB_COMPRESSION_ALGORITHM_METADATA_H */
diff --git a/src/core/compression/compression_algorithm.c b/src/core/lib/compression/compression_algorithm.c
similarity index 75%
rename from src/core/compression/compression_algorithm.c
rename to src/core/lib/compression/compression_algorithm.c
index 6f3a8eb28e63a37cacae8e1a8f118ba2358ecaa5..7039364b7bcbb5b2c0896802b047aa6d6b1eee41 100644
--- a/src/core/compression/compression_algorithm.c
+++ b/src/core/lib/compression/compression_algorithm.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,9 +37,9 @@
 #include <grpc/compression.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/compression/algorithm_metadata.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/compression/algorithm_metadata.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 int grpc_compression_algorithm_parse(const char *name, size_t name_length,
                                      grpc_compression_algorithm *algorithm) {
@@ -128,20 +128,57 @@ grpc_mdelem *grpc_compression_encoding_mdelem(
 /* TODO(dgq): Add the ability to specify parameters to the individual
  * compression algorithms */
 grpc_compression_algorithm grpc_compression_algorithm_for_level(
-    grpc_compression_level level) {
+    grpc_compression_level level, uint32_t accepted_encodings) {
   GRPC_API_TRACE("grpc_compression_algorithm_for_level(level=%d)", 1,
                  ((int)level));
+  if (level > GRPC_COMPRESS_LEVEL_HIGH) {
+    gpr_log(GPR_ERROR, "Unknown compression level %d.", (int)level);
+    abort();
+  }
+
+  const size_t num_supported =
+      GPR_BITCOUNT(accepted_encodings) - 1; /* discard NONE */
+  if (level == GRPC_COMPRESS_LEVEL_NONE || num_supported == 0) {
+    return GRPC_COMPRESS_NONE;
+  }
+
+  GPR_ASSERT(level > 0);
+
+  /* Establish a "ranking" or compression algorithms in increasing order of
+   * compression.
+   * This is simplistic and we will probably want to introduce other dimensions
+   * in the future (cpu/memory cost, etc). */
+  const grpc_compression_algorithm algos_ranking[] = {GRPC_COMPRESS_GZIP,
+                                                      GRPC_COMPRESS_DEFLATE};
+
+  /* intersect algos_ranking with the supported ones keeping the ranked order */
+  grpc_compression_algorithm
+      sorted_supported_algos[GRPC_COMPRESS_ALGORITHMS_COUNT];
+  size_t algos_supported_idx = 0;
+  for (size_t i = 0; i < GPR_ARRAY_SIZE(algos_ranking); i++) {
+    const grpc_compression_algorithm alg = algos_ranking[i];
+    for (size_t j = 0; j < num_supported; j++) {
+      if (GPR_BITGET(accepted_encodings, alg) == 1) {
+        /* if \a alg in supported */
+        sorted_supported_algos[algos_supported_idx++] = alg;
+        break;
+      }
+    }
+    if (algos_supported_idx == num_supported) break;
+  }
+
   switch (level) {
     case GRPC_COMPRESS_LEVEL_NONE:
-      return GRPC_COMPRESS_NONE;
+      abort(); /* should have been handled already */
     case GRPC_COMPRESS_LEVEL_LOW:
+      return sorted_supported_algos[0];
     case GRPC_COMPRESS_LEVEL_MED:
+      return sorted_supported_algos[num_supported / 2];
     case GRPC_COMPRESS_LEVEL_HIGH:
-      return GRPC_COMPRESS_DEFLATE;
+      return sorted_supported_algos[num_supported - 1];
     default:
-      gpr_log(GPR_ERROR, "Unknown compression level %d.", (int)level);
       abort();
-  }
+  };
 }
 
 void grpc_compression_options_init(grpc_compression_options *opts) {
diff --git a/src/core/compression/message_compress.c b/src/core/lib/compression/message_compress.c
similarity index 99%
rename from src/core/compression/message_compress.c
rename to src/core/lib/compression/message_compress.c
index edc21a9eb7d63b9d1545b9ca1721092b45cfbc3b..cbe0b5a2856a1304f0500f4e645924ada28ff170 100644
--- a/src/core/compression/message_compress.c
+++ b/src/core/lib/compression/message_compress.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/compression/message_compress.h"
+#include "src/core/lib/compression/message_compress.h"
 
 #include <string.h>
 
diff --git a/src/core/compression/message_compress.h b/src/core/lib/compression/message_compress.h
similarity index 92%
rename from src/core/compression/message_compress.h
rename to src/core/lib/compression/message_compress.h
index 14652004b860074bc3011057d57ea48076a0213d..c69eaaf006365a816047dbfd764bc9407feb045f 100644
--- a/src/core/compression/message_compress.h
+++ b/src/core/lib/compression/message_compress.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_COMPRESSION_MESSAGE_COMPRESS_H
-#define GRPC_INTERNAL_CORE_COMPRESSION_MESSAGE_COMPRESS_H
+#ifndef GRPC_CORE_LIB_COMPRESSION_MESSAGE_COMPRESS_H
+#define GRPC_CORE_LIB_COMPRESSION_MESSAGE_COMPRESS_H
 
 #include <grpc/compression.h>
 #include <grpc/support/slice_buffer.h>
@@ -49,4 +49,4 @@ int grpc_msg_compress(grpc_compression_algorithm algorithm,
 int grpc_msg_decompress(grpc_compression_algorithm algorithm,
                         gpr_slice_buffer* input, gpr_slice_buffer* output);
 
-#endif /* GRPC_INTERNAL_CORE_COMPRESSION_MESSAGE_COMPRESS_H */
+#endif /* GRPC_CORE_LIB_COMPRESSION_MESSAGE_COMPRESS_H */
diff --git a/src/core/debug/trace.c b/src/core/lib/debug/trace.c
similarity index 97%
rename from src/core/debug/trace.c
rename to src/core/lib/debug/trace.c
index 3b35d81cd84885ec71aba19ab95061302643e270..555f497b7847681f70dd2b29e5179b2433d3c0b0 100644
--- a/src/core/debug/trace.c
+++ b/src/core/lib/debug/trace.c
@@ -31,14 +31,14 @@
  *
  */
 
-#include "src/core/debug/trace.h"
+#include "src/core/lib/debug/trace.h"
 
 #include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include "src/core/support/env.h"
+#include "src/core/lib/support/env.h"
 
 typedef struct tracer {
   const char *name;
diff --git a/src/core/debug/trace.h b/src/core/lib/debug/trace.h
similarity index 93%
rename from src/core/debug/trace.h
rename to src/core/lib/debug/trace.h
index dc5875976e2595b84ceab5823055872852ead19f..7afc38db7e1f936f7fffb20564cd6ed4daeea57e 100644
--- a/src/core/debug/trace.h
+++ b/src/core/lib/debug/trace.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_DEBUG_TRACE_H
-#define GRPC_INTERNAL_CORE_DEBUG_TRACE_H
+#ifndef GRPC_CORE_LIB_DEBUG_TRACE_H
+#define GRPC_CORE_LIB_DEBUG_TRACE_H
 
 #include <grpc/support/port_platform.h>
 
@@ -40,4 +40,4 @@ void grpc_register_tracer(const char *name, int *flag);
 void grpc_tracer_init(const char *env_var_name);
 void grpc_tracer_shutdown(void);
 
-#endif /* GRPC_INTERNAL_CORE_DEBUG_TRACE_H */
+#endif /* GRPC_CORE_LIB_DEBUG_TRACE_H */
diff --git a/src/core/httpcli/format_request.c b/src/core/lib/http/format_request.c
similarity index 89%
rename from src/core/httpcli/format_request.c
rename to src/core/lib/http/format_request.c
index 04f2a2d99a7a3c81ac3b19d6b4af962a516c3265..9240356feaac6fdc9c84107c823f9fc23bec1461 100644
--- a/src/core/httpcli/format_request.c
+++ b/src/core/lib/http/format_request.c
@@ -31,22 +31,22 @@
  *
  */
 
-#include "src/core/httpcli/format_request.h"
+#include "src/core/lib/http/format_request.h"
 
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/slice.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 
 static void fill_common_header(const grpc_httpcli_request *request,
                                gpr_strvec *buf) {
   size_t i;
-  gpr_strvec_add(buf, gpr_strdup(request->path));
+  gpr_strvec_add(buf, gpr_strdup(request->http.path));
   gpr_strvec_add(buf, gpr_strdup(" HTTP/1.0\r\n"));
   /* just in case some crazy server really expects HTTP/1.1 */
   gpr_strvec_add(buf, gpr_strdup("Host: "));
@@ -56,10 +56,10 @@ static void fill_common_header(const grpc_httpcli_request *request,
   gpr_strvec_add(buf,
                  gpr_strdup("User-Agent: " GRPC_HTTPCLI_USER_AGENT "\r\n"));
   /* user supplied headers */
-  for (i = 0; i < request->hdr_count; i++) {
-    gpr_strvec_add(buf, gpr_strdup(request->hdrs[i].key));
+  for (i = 0; i < request->http.hdr_count; i++) {
+    gpr_strvec_add(buf, gpr_strdup(request->http.hdrs[i].key));
     gpr_strvec_add(buf, gpr_strdup(": "));
-    gpr_strvec_add(buf, gpr_strdup(request->hdrs[i].value));
+    gpr_strvec_add(buf, gpr_strdup(request->http.hdrs[i].value));
     gpr_strvec_add(buf, gpr_strdup("\r\n"));
   }
 }
@@ -94,8 +94,8 @@ gpr_slice grpc_httpcli_format_post_request(const grpc_httpcli_request *request,
   fill_common_header(request, &out);
   if (body_bytes) {
     uint8_t has_content_type = 0;
-    for (i = 0; i < request->hdr_count; i++) {
-      if (strcmp(request->hdrs[i].key, "Content-Type") == 0) {
+    for (i = 0; i < request->http.hdr_count; i++) {
+      if (strcmp(request->http.hdrs[i].key, "Content-Type") == 0) {
         has_content_type = 1;
         break;
       }
diff --git a/src/core/httpcli/format_request.h b/src/core/lib/http/format_request.h
similarity index 90%
rename from src/core/httpcli/format_request.h
rename to src/core/lib/http/format_request.h
index c8dc8f7d4ee06f0553d80ae24df35c41720f92bd..1543efe4b08bf2ecc2955843ae2f0707b4c67928 100644
--- a/src/core/httpcli/format_request.h
+++ b/src/core/lib/http/format_request.h
@@ -31,15 +31,15 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_HTTPCLI_FORMAT_REQUEST_H
-#define GRPC_INTERNAL_CORE_HTTPCLI_FORMAT_REQUEST_H
+#ifndef GRPC_CORE_LIB_HTTP_FORMAT_REQUEST_H
+#define GRPC_CORE_LIB_HTTP_FORMAT_REQUEST_H
 
-#include "src/core/httpcli/httpcli.h"
 #include <grpc/support/slice.h>
+#include "src/core/lib/http/httpcli.h"
 
 gpr_slice grpc_httpcli_format_get_request(const grpc_httpcli_request *request);
 gpr_slice grpc_httpcli_format_post_request(const grpc_httpcli_request *request,
                                            const char *body_bytes,
                                            size_t body_size);
 
-#endif /* GRPC_INTERNAL_CORE_HTTPCLI_FORMAT_REQUEST_H */
+#endif /* GRPC_CORE_LIB_HTTP_FORMAT_REQUEST_H */
diff --git a/src/core/httpcli/httpcli.c b/src/core/lib/http/httpcli.c
similarity index 90%
rename from src/core/httpcli/httpcli.c
rename to src/core/lib/http/httpcli.c
index 1219c444c715ce99aebf82944c84cce3ba85df4d..f22721ac8ffd8417a64821074c86dd587a36dc50 100644
--- a/src/core/httpcli/httpcli.c
+++ b/src/core/lib/http/httpcli.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/iomgr/sockaddr.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 
 #include <string.h>
 
@@ -40,17 +40,17 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/httpcli/format_request.h"
-#include "src/core/httpcli/parser.h"
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/tcp_client.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/http/format_request.h"
+#include "src/core/lib/http/parser.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/tcp_client.h"
+#include "src/core/lib/support/string.h"
 
 typedef struct {
   gpr_slice request_text;
-  grpc_httpcli_parser parser;
+  grpc_http_parser parser;
   grpc_resolved_addresses *addresses;
   size_t next_address;
   grpc_endpoint *ep;
@@ -99,8 +99,9 @@ static void finish(grpc_exec_ctx *exec_ctx, internal_request *req,
                    int success) {
   grpc_pollset_set_del_pollset(exec_ctx, req->context->pollset_set,
                                req->pollset);
-  req->on_response(exec_ctx, req->user_data, success ? &req->parser.r : NULL);
-  grpc_httpcli_parser_destroy(&req->parser);
+  req->on_response(exec_ctx, req->user_data,
+                   success ? &req->parser.http.response : NULL);
+  grpc_http_parser_destroy(&req->parser);
   if (req->addresses != NULL) {
     grpc_resolved_addresses_destroy(req->addresses);
   }
@@ -129,7 +130,7 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *user_data, bool success) {
   for (i = 0; i < req->incoming.count; i++) {
     if (GPR_SLICE_LENGTH(req->incoming.slices[i])) {
       req->have_read_byte = 1;
-      if (!grpc_httpcli_parser_parse(&req->parser, req->incoming.slices[i])) {
+      if (!grpc_http_parser_parse(&req->parser, req->incoming.slices[i])) {
         finish(exec_ctx, req, 0);
         return;
       }
@@ -141,7 +142,11 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *user_data, bool success) {
   } else if (!req->have_read_byte) {
     next_address(exec_ctx, req);
   } else {
-    finish(exec_ctx, req, grpc_httpcli_parser_eof(&req->parser));
+    int parse_success = grpc_http_parser_eof(&req->parser);
+    if (parse_success && (req->parser.type != GRPC_HTTP_RESPONSE)) {
+      parse_success = 0;
+    }
+    finish(exec_ctx, req, parse_success);
   }
 }
 
@@ -223,7 +228,7 @@ static void internal_request_begin(
   internal_request *req = gpr_malloc(sizeof(internal_request));
   memset(req, 0, sizeof(*req));
   req->request_text = request_text;
-  grpc_httpcli_parser_init(&req->parser);
+  grpc_http_parser_init(&req->parser);
   req->on_response = on_response;
   req->user_data = user_data;
   req->deadline = deadline;
@@ -241,7 +246,7 @@ static void internal_request_begin(
 
   grpc_pollset_set_add_pollset(exec_ctx, req->context->pollset_set,
                                req->pollset);
-  grpc_resolve_address(request->host, req->handshaker->default_port,
+  grpc_resolve_address(exec_ctx, request->host, req->handshaker->default_port,
                        on_resolved, req);
 }
 
@@ -255,7 +260,7 @@ void grpc_httpcli_get(grpc_exec_ctx *exec_ctx, grpc_httpcli_context *context,
       g_get_override(exec_ctx, request, deadline, on_response, user_data)) {
     return;
   }
-  gpr_asprintf(&name, "HTTP:GET:%s:%s", request->host, request->path);
+  gpr_asprintf(&name, "HTTP:GET:%s:%s", request->host, request->http.path);
   internal_request_begin(exec_ctx, context, pollset, request, deadline,
                          on_response, user_data, name,
                          grpc_httpcli_format_get_request(request));
@@ -274,7 +279,7 @@ void grpc_httpcli_post(grpc_exec_ctx *exec_ctx, grpc_httpcli_context *context,
                       on_response, user_data)) {
     return;
   }
-  gpr_asprintf(&name, "HTTP:POST:%s:%s", request->host, request->path);
+  gpr_asprintf(&name, "HTTP:POST:%s:%s", request->host, request->http.path);
   internal_request_begin(
       exec_ctx, context, pollset, request, deadline, on_response, user_data,
       name, grpc_httpcli_format_post_request(request, body_bytes, body_size));
diff --git a/src/core/httpcli/httpcli.h b/src/core/lib/http/httpcli.h
similarity index 83%
rename from src/core/httpcli/httpcli.h
rename to src/core/lib/http/httpcli.h
index c9cd987c794f505dd8258a3af74a00dbad2e10aa..11a32a125c8c1072459736401b91f82cc5093b8f 100644
--- a/src/core/httpcli/httpcli.h
+++ b/src/core/lib/http/httpcli.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,27 +31,20 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_HTTPCLI_HTTPCLI_H
-#define GRPC_INTERNAL_CORE_HTTPCLI_HTTPCLI_H
+#ifndef GRPC_CORE_LIB_HTTP_HTTPCLI_H
+#define GRPC_CORE_LIB_HTTP_HTTPCLI_H
 
 #include <stddef.h>
 
 #include <grpc/support/time.h>
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/pollset_set.h"
+#include "src/core/lib/http/parser.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/pollset_set.h"
 
 /* User agent this library reports */
 #define GRPC_HTTPCLI_USER_AGENT "grpc-httpcli/0.0"
-/* Maximum length of a header string of the form 'Key: Value\r\n' */
-#define GRPC_HTTPCLI_MAX_HEADER_LENGTH 4096
-
-/* A single header to be passed in a request */
-typedef struct grpc_httpcli_header {
-  char *key;
-  char *value;
-} grpc_httpcli_header;
 
 /* Tracks in-progress http requests
    TODO(ctiller): allow caching and capturing multiple requests for the
@@ -77,33 +70,21 @@ typedef struct grpc_httpcli_request {
   char *host;
   /* The host to verify in the SSL handshake (or NULL) */
   char *ssl_host_override;
-  /* The path of the resource to fetch */
-  char *path;
-  /* Additional headers: count and key/values; the following are supplied
-     automatically and MUST NOT be set here:
+  /* The main part of the request
+     The following headers are supplied automatically and MUST NOT be set here:
      Host, Connection, User-Agent */
-  size_t hdr_count;
-  grpc_httpcli_header *hdrs;
+  grpc_http_request http;
   /* handshaker to use ssl for the request */
   const grpc_httpcli_handshaker *handshaker;
 } grpc_httpcli_request;
 
-/* A response */
-typedef struct grpc_httpcli_response {
-  /* HTTP status code */
-  int status;
-  /* Headers: count and key/values */
-  size_t hdr_count;
-  grpc_httpcli_header *hdrs;
-  /* Body: length and contents; contents are NOT null-terminated */
-  size_t body_length;
-  char *body;
-} grpc_httpcli_response;
+/* Expose the parser response type as a httpcli response too */
+typedef struct grpc_http_response grpc_httpcli_response;
 
 /* Callback for grpc_httpcli_get and grpc_httpcli_post. */
 typedef void (*grpc_httpcli_response_cb)(grpc_exec_ctx *exec_ctx,
                                          void *user_data,
-                                         const grpc_httpcli_response *response);
+                                         const grpc_http_response *response);
 
 void grpc_httpcli_context_init(grpc_httpcli_context *context);
 void grpc_httpcli_context_destroy(grpc_httpcli_context *context);
@@ -160,4 +141,4 @@ typedef int (*grpc_httpcli_post_override)(
 void grpc_httpcli_set_override(grpc_httpcli_get_override get,
                                grpc_httpcli_post_override post);
 
-#endif /* GRPC_INTERNAL_CORE_HTTPCLI_HTTPCLI_H */
+#endif /* GRPC_CORE_LIB_HTTP_HTTPCLI_H */
diff --git a/src/core/httpcli/httpcli_security_connector.c b/src/core/lib/http/httpcli_security_connector.c
similarity index 97%
rename from src/core/httpcli/httpcli_security_connector.c
rename to src/core/lib/http/httpcli_security_connector.c
index 156961a377a5abced49e4d7e8dead5b8b1a857af..ea4bff30d4b245a052d3c9f569a88f4fc0436ebe 100644
--- a/src/core/httpcli/httpcli_security_connector.c
+++ b/src/core/lib/http/httpcli_security_connector.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,16 +31,16 @@
  *
  */
 
-#include "src/core/httpcli/httpcli.h"
+#include "src/core/lib/http/httpcli.h"
 
 #include <string.h>
 
-#include "src/core/security/handshake.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
-#include "src/core/tsi/ssl_transport_security.h"
+#include "src/core/lib/security/handshake.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/tsi/ssl_transport_security.h"
 
 typedef struct {
   grpc_channel_security_connector base;
diff --git a/src/core/lib/http/parser.c b/src/core/lib/http/parser.c
new file mode 100644
index 0000000000000000000000000000000000000000..a7efb5e73ead4434b0102103960674c32b532b7f
--- /dev/null
+++ b/src/core/lib/http/parser.c
@@ -0,0 +1,341 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/http/parser.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/useful.h>
+
+int grpc_http1_trace = 0;
+
+static char *buf2str(void *buffer, size_t length) {
+  char *out = gpr_malloc(length + 1);
+  memcpy(out, buffer, length);
+  out[length] = 0;
+  return out;
+}
+
+static int handle_response_line(grpc_http_parser *parser) {
+  uint8_t *beg = parser->cur_line;
+  uint8_t *cur = beg;
+  uint8_t *end = beg + parser->cur_line_length;
+
+  if (cur == end || *cur++ != 'H') goto error;
+  if (cur == end || *cur++ != 'T') goto error;
+  if (cur == end || *cur++ != 'T') goto error;
+  if (cur == end || *cur++ != 'P') goto error;
+  if (cur == end || *cur++ != '/') goto error;
+  if (cur == end || *cur++ != '1') goto error;
+  if (cur == end || *cur++ != '.') goto error;
+  if (cur == end || *cur < '0' || *cur++ > '1') goto error;
+  if (cur == end || *cur++ != ' ') goto error;
+  if (cur == end || *cur < '1' || *cur++ > '9') goto error;
+  if (cur == end || *cur < '0' || *cur++ > '9') goto error;
+  if (cur == end || *cur < '0' || *cur++ > '9') goto error;
+  parser->http.response.status =
+      (cur[-3] - '0') * 100 + (cur[-2] - '0') * 10 + (cur[-1] - '0');
+  if (cur == end || *cur++ != ' ') goto error;
+
+  /* we don't really care about the status code message */
+
+  return 1;
+
+error:
+  if (grpc_http1_trace) gpr_log(GPR_ERROR, "Failed parsing response line");
+  return 0;
+}
+
+static int handle_request_line(grpc_http_parser *parser) {
+  uint8_t *beg = parser->cur_line;
+  uint8_t *cur = beg;
+  uint8_t *end = beg + parser->cur_line_length;
+  uint8_t vers_major = 0;
+  uint8_t vers_minor = 0;
+
+  while (cur != end && *cur++ != ' ')
+    ;
+  if (cur == end) goto error;
+  parser->http.request.method = buf2str(beg, (size_t)(cur - beg - 1));
+
+  beg = cur;
+  while (cur != end && *cur++ != ' ')
+    ;
+  if (cur == end) goto error;
+  parser->http.request.path = buf2str(beg, (size_t)(cur - beg - 1));
+
+  if (cur == end || *cur++ != 'H') goto error;
+  if (cur == end || *cur++ != 'T') goto error;
+  if (cur == end || *cur++ != 'T') goto error;
+  if (cur == end || *cur++ != 'P') goto error;
+  if (cur == end || *cur++ != '/') goto error;
+  vers_major = (uint8_t)(*cur++ - '1' + 1);
+  ++cur;
+  if (cur == end) goto error;
+  vers_minor = (uint8_t)(*cur++ - '1' + 1);
+
+  if (vers_major == 1) {
+    if (vers_minor == 0) {
+      parser->http.request.version = GRPC_HTTP_HTTP10;
+    } else if (vers_minor == 1) {
+      parser->http.request.version = GRPC_HTTP_HTTP11;
+    } else {
+      goto error;
+    }
+  } else if (vers_major == 2) {
+    if (vers_minor == 0) {
+      parser->http.request.version = GRPC_HTTP_HTTP20;
+    } else {
+      goto error;
+    }
+  } else {
+    goto error;
+  }
+
+  return 1;
+
+error:
+  if (grpc_http1_trace) gpr_log(GPR_ERROR, "Failed parsing request line");
+  return 0;
+}
+
+static int handle_first_line(grpc_http_parser *parser) {
+  if (parser->cur_line[0] == 'H') {
+    parser->type = GRPC_HTTP_RESPONSE;
+    return handle_response_line(parser);
+  } else {
+    parser->type = GRPC_HTTP_REQUEST;
+    return handle_request_line(parser);
+  }
+}
+
+static int add_header(grpc_http_parser *parser) {
+  uint8_t *beg = parser->cur_line;
+  uint8_t *cur = beg;
+  uint8_t *end = beg + parser->cur_line_length;
+  size_t *hdr_count = NULL;
+  grpc_http_header **hdrs = NULL;
+  grpc_http_header hdr = {NULL, NULL};
+
+  GPR_ASSERT(cur != end);
+
+  if (*cur == ' ' || *cur == '\t') {
+    if (grpc_http1_trace)
+      gpr_log(GPR_ERROR, "Continued header lines not supported yet");
+    goto error;
+  }
+
+  while (cur != end && *cur != ':') {
+    cur++;
+  }
+  if (cur == end) {
+    if (grpc_http1_trace)
+      gpr_log(GPR_ERROR, "Didn't find ':' in header string");
+    goto error;
+  }
+  GPR_ASSERT(cur >= beg);
+  hdr.key = buf2str(beg, (size_t)(cur - beg));
+  cur++; /* skip : */
+
+  while (cur != end && (*cur == ' ' || *cur == '\t')) {
+    cur++;
+  }
+  GPR_ASSERT((size_t)(end - cur) >= parser->cur_line_end_length);
+  hdr.value = buf2str(cur, (size_t)(end - cur) - parser->cur_line_end_length);
+
+  if (parser->type == GRPC_HTTP_RESPONSE) {
+    hdr_count = &parser->http.response.hdr_count;
+    hdrs = &parser->http.response.hdrs;
+  } else if (parser->type == GRPC_HTTP_REQUEST) {
+    hdr_count = &parser->http.request.hdr_count;
+    hdrs = &parser->http.request.hdrs;
+  } else {
+    return 0;
+  }
+
+  if (*hdr_count == parser->hdr_capacity) {
+    parser->hdr_capacity =
+        GPR_MAX(parser->hdr_capacity + 1, parser->hdr_capacity * 3 / 2);
+    *hdrs = gpr_realloc(*hdrs, parser->hdr_capacity * sizeof(**hdrs));
+  }
+  (*hdrs)[(*hdr_count)++] = hdr;
+  return 1;
+
+error:
+  gpr_free(hdr.key);
+  gpr_free(hdr.value);
+  return 0;
+}
+
+static int finish_line(grpc_http_parser *parser) {
+  switch (parser->state) {
+    case GRPC_HTTP_FIRST_LINE:
+      if (!handle_first_line(parser)) {
+        return 0;
+      }
+      parser->state = GRPC_HTTP_HEADERS;
+      break;
+    case GRPC_HTTP_HEADERS:
+      if (parser->cur_line_length == parser->cur_line_end_length) {
+        parser->state = GRPC_HTTP_BODY;
+        break;
+      }
+      if (!add_header(parser)) {
+        return 0;
+      }
+      break;
+    case GRPC_HTTP_BODY:
+      GPR_UNREACHABLE_CODE(return 0);
+  }
+
+  parser->cur_line_length = 0;
+  return 1;
+}
+
+static int addbyte_body(grpc_http_parser *parser, uint8_t byte) {
+  size_t *body_length = NULL;
+  char **body = NULL;
+
+  if (parser->type == GRPC_HTTP_RESPONSE) {
+    body_length = &parser->http.response.body_length;
+    body = &parser->http.response.body;
+  } else if (parser->type == GRPC_HTTP_REQUEST) {
+    body_length = &parser->http.request.body_length;
+    body = &parser->http.request.body;
+  } else {
+    return 0;
+  }
+
+  if (*body_length == parser->body_capacity) {
+    parser->body_capacity = GPR_MAX(8, parser->body_capacity * 3 / 2);
+    *body = gpr_realloc((void *)*body, parser->body_capacity);
+  }
+  (*body)[*body_length] = (char)byte;
+  (*body_length)++;
+
+  return 1;
+}
+
+static int check_line(grpc_http_parser *parser) {
+  if (parser->cur_line_length >= 2 &&
+      parser->cur_line[parser->cur_line_length - 2] == '\r' &&
+      parser->cur_line[parser->cur_line_length - 1] == '\n') {
+    return 1;
+  }
+
+  // HTTP request with \n\r line termiantors.
+  else if (parser->cur_line_length >= 2 &&
+           parser->cur_line[parser->cur_line_length - 2] == '\n' &&
+           parser->cur_line[parser->cur_line_length - 1] == '\r') {
+    return 1;
+  }
+
+  // HTTP request with only \n line terminators.
+  else if (parser->cur_line_length >= 1 &&
+           parser->cur_line[parser->cur_line_length - 1] == '\n') {
+    parser->cur_line_end_length = 1;
+    return 1;
+  }
+
+  return 0;
+}
+
+static int addbyte(grpc_http_parser *parser, uint8_t byte) {
+  switch (parser->state) {
+    case GRPC_HTTP_FIRST_LINE:
+    case GRPC_HTTP_HEADERS:
+      if (parser->cur_line_length >= GRPC_HTTP_PARSER_MAX_HEADER_LENGTH) {
+        if (grpc_http1_trace)
+          gpr_log(GPR_ERROR, "HTTP client max line length (%d) exceeded",
+                  GRPC_HTTP_PARSER_MAX_HEADER_LENGTH);
+        return 0;
+      }
+      parser->cur_line[parser->cur_line_length] = byte;
+      parser->cur_line_length++;
+      if (check_line(parser)) {
+        return finish_line(parser);
+      } else {
+        return 1;
+      }
+      GPR_UNREACHABLE_CODE(return 0);
+    case GRPC_HTTP_BODY:
+      return addbyte_body(parser, byte);
+  }
+  GPR_UNREACHABLE_CODE(return 0);
+}
+
+void grpc_http_parser_init(grpc_http_parser *parser) {
+  memset(parser, 0, sizeof(*parser));
+  parser->state = GRPC_HTTP_FIRST_LINE;
+  parser->type = GRPC_HTTP_UNKNOWN;
+  parser->cur_line_end_length = 2;
+}
+
+void grpc_http_parser_destroy(grpc_http_parser *parser) {
+  size_t i;
+  if (parser->type == GRPC_HTTP_RESPONSE) {
+    gpr_free(parser->http.response.body);
+    for (i = 0; i < parser->http.response.hdr_count; i++) {
+      gpr_free(parser->http.response.hdrs[i].key);
+      gpr_free(parser->http.response.hdrs[i].value);
+    }
+    gpr_free(parser->http.response.hdrs);
+  } else if (parser->type == GRPC_HTTP_REQUEST) {
+    gpr_free(parser->http.request.body);
+    for (i = 0; i < parser->http.request.hdr_count; i++) {
+      gpr_free(parser->http.request.hdrs[i].key);
+      gpr_free(parser->http.request.hdrs[i].value);
+    }
+    gpr_free(parser->http.request.hdrs);
+    gpr_free(parser->http.request.method);
+    gpr_free(parser->http.request.path);
+  }
+}
+
+int grpc_http_parser_parse(grpc_http_parser *parser, gpr_slice slice) {
+  size_t i;
+
+  for (i = 0; i < GPR_SLICE_LENGTH(slice); i++) {
+    if (!addbyte(parser, GPR_SLICE_START_PTR(slice)[i])) {
+      return 0;
+    }
+  }
+
+  return 1;
+}
+
+int grpc_http_parser_eof(grpc_http_parser *parser) {
+  return parser->state == GRPC_HTTP_BODY;
+}
diff --git a/src/core/lib/http/parser.h b/src/core/lib/http/parser.h
new file mode 100644
index 0000000000000000000000000000000000000000..536637e9a2d99f52eafbb80ca252afb6b488c6c8
--- /dev/null
+++ b/src/core/lib/http/parser.h
@@ -0,0 +1,119 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_HTTP_PARSER_H
+#define GRPC_CORE_LIB_HTTP_PARSER_H
+
+#include <grpc/support/port_platform.h>
+#include <grpc/support/slice.h>
+
+/* Maximum length of a header string of the form 'Key: Value\r\n' */
+#define GRPC_HTTP_PARSER_MAX_HEADER_LENGTH 4096
+
+/* A single header to be passed in a request */
+typedef struct grpc_http_header {
+  char *key;
+  char *value;
+} grpc_http_header;
+
+typedef enum {
+  GRPC_HTTP_FIRST_LINE,
+  GRPC_HTTP_HEADERS,
+  GRPC_HTTP_BODY
+} grpc_http_parser_state;
+
+typedef enum {
+  GRPC_HTTP_HTTP10,
+  GRPC_HTTP_HTTP11,
+  GRPC_HTTP_HTTP20,
+} grpc_http_version;
+
+typedef enum {
+  GRPC_HTTP_RESPONSE,
+  GRPC_HTTP_REQUEST,
+  GRPC_HTTP_UNKNOWN
+} grpc_http_type;
+
+/* A request */
+typedef struct grpc_http_request {
+  /* Method of the request (e.g. GET, POST) */
+  char *method;
+  /* The path of the resource to fetch */
+  char *path;
+  /* HTTP version to use */
+  grpc_http_version version;
+  /* Headers attached to the request */
+  size_t hdr_count;
+  grpc_http_header *hdrs;
+  /* Body: length and contents; contents are NOT null-terminated */
+  size_t body_length;
+  char *body;
+} grpc_http_request;
+
+/* A response */
+typedef struct grpc_http_response {
+  /* HTTP status code */
+  int status;
+  /* Headers: count and key/values */
+  size_t hdr_count;
+  grpc_http_header *hdrs;
+  /* Body: length and contents; contents are NOT null-terminated */
+  size_t body_length;
+  char *body;
+} grpc_http_response;
+
+typedef struct {
+  grpc_http_parser_state state;
+  grpc_http_type type;
+
+  union {
+    grpc_http_response response;
+    grpc_http_request request;
+  } http;
+  size_t body_capacity;
+  size_t hdr_capacity;
+
+  uint8_t cur_line[GRPC_HTTP_PARSER_MAX_HEADER_LENGTH];
+  size_t cur_line_length;
+  size_t cur_line_end_length;
+} grpc_http_parser;
+
+void grpc_http_parser_init(grpc_http_parser *parser);
+void grpc_http_parser_destroy(grpc_http_parser *parser);
+
+int grpc_http_parser_parse(grpc_http_parser *parser, gpr_slice slice);
+int grpc_http_parser_eof(grpc_http_parser *parser);
+
+extern int grpc_http1_trace;
+
+#endif /* GRPC_CORE_LIB_HTTP_PARSER_H */
diff --git a/src/core/iomgr/closure.c b/src/core/lib/iomgr/closure.c
similarity index 92%
rename from src/core/iomgr/closure.c
rename to src/core/lib/iomgr/closure.c
index 3a96f7385f73b2c15eee0a03857b446292f3e326..27793c32e42b67fecc3a1162dcf713ef21bab353 100644
--- a/src/core/iomgr/closure.c
+++ b/src/core/lib/iomgr/closure.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/closure.h"
+#include "src/core/lib/iomgr/closure.h"
 
 #include <grpc/support/alloc.h>
 
@@ -54,6 +54,12 @@ void grpc_closure_list_add(grpc_closure_list *closure_list,
   closure_list->tail = closure;
 }
 
+void grpc_closure_list_fail_all(grpc_closure_list *list) {
+  for (grpc_closure *c = list->head; c != NULL; c = grpc_closure_next(c)) {
+    c->final_data &= ~(uintptr_t)1;
+  }
+}
+
 bool grpc_closure_list_empty(grpc_closure_list closure_list) {
   return closure_list.head == NULL;
 }
diff --git a/src/core/iomgr/closure.h b/src/core/lib/iomgr/closure.h
similarity index 93%
rename from src/core/iomgr/closure.h
rename to src/core/lib/iomgr/closure.h
index ea96c19c71b235c3980872eb2c54bdbac238b8e2..fdc2daed9d4206089a6c6a12855eba35be298a7e 100644
--- a/src/core/iomgr/closure.h
+++ b/src/core/lib/iomgr/closure.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_CLOSURE_H
-#define GRPC_INTERNAL_CORE_IOMGR_CLOSURE_H
+#ifndef GRPC_CORE_LIB_IOMGR_CLOSURE_H
+#define GRPC_CORE_LIB_IOMGR_CLOSURE_H
 
 #include <grpc/support/port_platform.h>
 #include <stdbool.h>
@@ -86,6 +86,9 @@ grpc_closure *grpc_closure_create(grpc_iomgr_cb_func cb, void *cb_arg);
 void grpc_closure_list_add(grpc_closure_list *list, grpc_closure *closure,
                            bool success);
 
+/** force all success bits in \a list to false */
+void grpc_closure_list_fail_all(grpc_closure_list *list);
+
 /** append all closures from \a src to \a dst and empty \a src. */
 void grpc_closure_list_move(grpc_closure_list *src, grpc_closure_list *dst);
 
@@ -95,4 +98,4 @@ bool grpc_closure_list_empty(grpc_closure_list list);
 /** return the next pointer for a queued closure list */
 grpc_closure *grpc_closure_next(grpc_closure *closure);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_CLOSURE_H */
+#endif /* GRPC_CORE_LIB_IOMGR_CLOSURE_H */
diff --git a/src/core/iomgr/endpoint.c b/src/core/lib/iomgr/endpoint.c
similarity index 98%
rename from src/core/iomgr/endpoint.c
rename to src/core/lib/iomgr/endpoint.c
index bd64707669cad921410d01aa71de25e5968d3426..1ab3733d381cc31e0be54049c1b78e4beabfafa4 100644
--- a/src/core/iomgr/endpoint.c
+++ b/src/core/lib/iomgr/endpoint.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/endpoint.h"
 
 void grpc_endpoint_read(grpc_exec_ctx* exec_ctx, grpc_endpoint* ep,
                         gpr_slice_buffer* slices, grpc_closure* cb) {
diff --git a/src/core/iomgr/endpoint.h b/src/core/lib/iomgr/endpoint.h
similarity index 95%
rename from src/core/iomgr/endpoint.h
rename to src/core/lib/iomgr/endpoint.h
index cbdc947abbfdd062982ba82f68b56337fe577d14..3877ceb1e261d19f050e15e9260764230c4e4b89 100644
--- a/src/core/iomgr/endpoint.h
+++ b/src/core/lib/iomgr/endpoint.h
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_ENDPOINT_H
-#define GRPC_INTERNAL_CORE_IOMGR_ENDPOINT_H
+#ifndef GRPC_CORE_LIB_IOMGR_ENDPOINT_H
+#define GRPC_CORE_LIB_IOMGR_ENDPOINT_H
 
-#include "src/core/iomgr/pollset.h"
-#include "src/core/iomgr/pollset_set.h"
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/iomgr/pollset_set.h"
 
 /* An endpoint caps a streaming channel between two communicating processes.
    Examples may be: a tcp socket, <stdin+stdout>, or some shared memory. */
@@ -99,4 +99,4 @@ struct grpc_endpoint {
   const grpc_endpoint_vtable *vtable;
 };
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_ENDPOINT_H */
+#endif /* GRPC_CORE_LIB_IOMGR_ENDPOINT_H */
diff --git a/src/core/iomgr/endpoint_pair.h b/src/core/lib/iomgr/endpoint_pair.h
similarity index 90%
rename from src/core/iomgr/endpoint_pair.h
rename to src/core/lib/iomgr/endpoint_pair.h
index 095ec5fcc9fc3f75b3b7b42821c69541e47662ff..5cd78051bdf292e3a4d0113e63150b0cc0d6d09a 100644
--- a/src/core/iomgr/endpoint_pair.h
+++ b/src/core/lib/iomgr/endpoint_pair.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_ENDPOINT_PAIR_H
-#define GRPC_INTERNAL_CORE_IOMGR_ENDPOINT_PAIR_H
+#ifndef GRPC_CORE_LIB_IOMGR_ENDPOINT_PAIR_H
+#define GRPC_CORE_LIB_IOMGR_ENDPOINT_PAIR_H
 
-#include "src/core/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/endpoint.h"
 
 typedef struct {
   grpc_endpoint *client;
@@ -44,4 +44,4 @@ typedef struct {
 grpc_endpoint_pair grpc_iomgr_create_endpoint_pair(const char *name,
                                                    size_t read_slice_size);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_ENDPOINT_PAIR_H */
+#endif /* GRPC_CORE_LIB_IOMGR_ENDPOINT_PAIR_H */
diff --git a/src/core/iomgr/endpoint_pair_posix.c b/src/core/lib/iomgr/endpoint_pair_posix.c
similarity index 90%
rename from src/core/iomgr/endpoint_pair_posix.c
rename to src/core/lib/iomgr/endpoint_pair_posix.c
index 56f6f146fd34ad164f4d238bd127fe71939b3d24..e0ce47c77310fa34563602bf42cfbdfd2f170370 100644
--- a/src/core/iomgr/endpoint_pair_posix.c
+++ b/src/core/lib/iomgr/endpoint_pair_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,24 +35,25 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <string.h>
-#include <sys/types.h>
 #include <sys/socket.h>
+#include <sys/types.h>
 
-#include "src/core/iomgr/tcp_posix.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
+#include "src/core/lib/iomgr/tcp_posix.h"
+#include "src/core/lib/support/string.h"
 
 static void create_sockets(int sv[2]) {
   int flags;
-  GPR_ASSERT(socketpair(AF_UNIX, SOCK_STREAM, 0, sv) == 0);
+  grpc_create_socketpair_if_unix(sv);
   flags = fcntl(sv[0], F_GETFL, 0);
   GPR_ASSERT(fcntl(sv[0], F_SETFL, flags | O_NONBLOCK) == 0);
   flags = fcntl(sv[1], F_GETFL, 0);
diff --git a/src/core/iomgr/endpoint_pair_windows.c b/src/core/lib/iomgr/endpoint_pair_windows.c
similarity index 94%
rename from src/core/iomgr/endpoint_pair_windows.c
rename to src/core/lib/iomgr/endpoint_pair_windows.c
index db9d092dcab6166ac8d3776b38410459446c3199..582704e267ed287b6fad46e49e13b60764dfeb43 100644
--- a/src/core/iomgr/endpoint_pair_windows.c
+++ b/src/core/lib/iomgr/endpoint_pair_windows.c
@@ -34,16 +34,16 @@
 #include <grpc/support/port_platform.h>
 
 #ifdef GPR_WINSOCK_SOCKET
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <string.h>
 
-#include "src/core/iomgr/tcp_windows.h"
-#include "src/core/iomgr/socket_windows.h"
 #include <grpc/support/log.h>
+#include "src/core/lib/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/tcp_windows.h"
 
 static void create_sockets(SOCKET sv[2]) {
   SOCKET svr_sock = INVALID_SOCKET;
diff --git a/src/core/lib/iomgr/ev_poll_and_epoll_posix.c b/src/core/lib/iomgr/ev_poll_and_epoll_posix.c
new file mode 100644
index 0000000000000000000000000000000000000000..3c8127e1a8c13f60b15a04d346a644fe98d21509
--- /dev/null
+++ b/src/core/lib/iomgr/ev_poll_and_epoll_posix.c
@@ -0,0 +1,1936 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/* This file will be removed shortly: it's here to keep refactoring
+ * steps simple and auditable.
+ * It's the combination of the old files:
+ *  - fd_posix.{h,c}
+ *  - pollset_posix.{h,c}
+ *  - pullset_multipoller_with_{poll,epoll}.{h,c}
+ * The new version will be split into:
+ *  - ev_poll_posix.{h,c}
+ *  - ev_epoll_posix.{h,c}
+ */
+
+#include <grpc/support/port_platform.h>
+
+#ifdef GPR_POSIX_SOCKET
+
+#include "src/core/lib/iomgr/ev_poll_and_epoll_posix.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <poll.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/tls.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/block_annotate.h"
+
+/*******************************************************************************
+ * FD declarations
+ */
+
+typedef struct grpc_fd_watcher {
+  struct grpc_fd_watcher *next;
+  struct grpc_fd_watcher *prev;
+  grpc_pollset *pollset;
+  grpc_pollset_worker *worker;
+  grpc_fd *fd;
+} grpc_fd_watcher;
+
+struct grpc_fd {
+  int fd;
+  /* refst format:
+     bit0:   1=active/0=orphaned
+     bit1-n: refcount
+     meaning that mostly we ref by two to avoid altering the orphaned bit,
+     and just unref by 1 when we're ready to flag the object as orphaned */
+  gpr_atm refst;
+
+  gpr_mu mu;
+  int shutdown;
+  int closed;
+  int released;
+
+  /* The watcher list.
+
+     The following watcher related fields are protected by watcher_mu.
+
+     An fd_watcher is an ephemeral object created when an fd wants to
+     begin polling, and destroyed after the poll.
+
+     It denotes the fd's interest in whether to read poll or write poll
+     or both or neither on this fd.
+
+     If a watcher is asked to poll for reads or writes, the read_watcher
+     or write_watcher fields are set respectively. A watcher may be asked
+     to poll for both, in which case both fields will be set.
+
+     read_watcher and write_watcher may be NULL if no watcher has been
+     asked to poll for reads or writes.
+
+     If an fd_watcher is not asked to poll for reads or writes, it's added
+     to a linked list of inactive watchers, rooted at inactive_watcher_root.
+     If at a later time there becomes need of a poller to poll, one of
+     the inactive pollers may be kicked out of their poll loops to take
+     that responsibility. */
+  grpc_fd_watcher inactive_watcher_root;
+  grpc_fd_watcher *read_watcher;
+  grpc_fd_watcher *write_watcher;
+
+  grpc_closure *read_closure;
+  grpc_closure *write_closure;
+
+  struct grpc_fd *freelist_next;
+
+  grpc_closure *on_done_closure;
+
+  grpc_iomgr_object iomgr_object;
+};
+
+/* Begin polling on an fd.
+   Registers that the given pollset is interested in this fd - so that if read
+   or writability interest changes, the pollset can be kicked to pick up that
+   new interest.
+   Return value is:
+     (fd_needs_read? read_mask : 0) | (fd_needs_write? write_mask : 0)
+   i.e. a combination of read_mask and write_mask determined by the fd's current
+   interest in said events.
+   Polling strategies that do not need to alter their behavior depending on the
+   fd's current interest (such as epoll) do not need to call this function.
+   MUST NOT be called with a pollset lock taken */
+static uint32_t fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset,
+                              grpc_pollset_worker *worker, uint32_t read_mask,
+                              uint32_t write_mask, grpc_fd_watcher *rec);
+/* Complete polling previously started with fd_begin_poll
+   MUST NOT be called with a pollset lock taken
+   if got_read or got_write are 1, also does the become_{readable,writable} as
+   appropriate. */
+static void fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *rec,
+                        int got_read, int got_write);
+
+/* Return 1 if this fd is orphaned, 0 otherwise */
+static bool fd_is_orphaned(grpc_fd *fd);
+
+/* Reference counting for fds */
+/*#define GRPC_FD_REF_COUNT_DEBUG*/
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+static void fd_ref(grpc_fd *fd, const char *reason, const char *file, int line);
+static void fd_unref(grpc_fd *fd, const char *reason, const char *file,
+                     int line);
+#define GRPC_FD_REF(fd, reason) fd_ref(fd, reason, __FILE__, __LINE__)
+#define GRPC_FD_UNREF(fd, reason) fd_unref(fd, reason, __FILE__, __LINE__)
+#else
+static void fd_ref(grpc_fd *fd);
+static void fd_unref(grpc_fd *fd);
+#define GRPC_FD_REF(fd, reason) fd_ref(fd)
+#define GRPC_FD_UNREF(fd, reason) fd_unref(fd)
+#endif
+
+static void fd_global_init(void);
+static void fd_global_shutdown(void);
+
+#define CLOSURE_NOT_READY ((grpc_closure *)0)
+#define CLOSURE_READY ((grpc_closure *)1)
+
+/*******************************************************************************
+ * pollset declarations
+ */
+
+typedef struct grpc_pollset_vtable grpc_pollset_vtable;
+
+typedef struct grpc_cached_wakeup_fd {
+  grpc_wakeup_fd fd;
+  struct grpc_cached_wakeup_fd *next;
+} grpc_cached_wakeup_fd;
+
+struct grpc_pollset_worker {
+  grpc_cached_wakeup_fd *wakeup_fd;
+  int reevaluate_polling_on_wakeup;
+  int kicked_specifically;
+  struct grpc_pollset_worker *next;
+  struct grpc_pollset_worker *prev;
+};
+
+struct grpc_pollset {
+  /* pollsets under posix can mutate representation as fds are added and
+     removed.
+     For example, we may choose a poll() based implementation on linux for
+     few fds, and an epoll() based implementation for many fds */
+  const grpc_pollset_vtable *vtable;
+  gpr_mu mu;
+  grpc_pollset_worker root_worker;
+  int in_flight_cbs;
+  int shutting_down;
+  int called_shutdown;
+  int kicked_without_pollers;
+  grpc_closure *shutdown_done;
+  grpc_closure_list idle_jobs;
+  union {
+    int fd;
+    void *ptr;
+  } data;
+  /* Local cache of eventfds for workers */
+  grpc_cached_wakeup_fd *local_wakeup_cache;
+};
+
+struct grpc_pollset_vtable {
+  void (*add_fd)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                 struct grpc_fd *fd, int and_unlock_pollset);
+  void (*maybe_work_and_unlock)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                                grpc_pollset_worker *worker,
+                                gpr_timespec deadline, gpr_timespec now);
+  void (*finish_shutdown)(grpc_pollset *pollset);
+  void (*destroy)(grpc_pollset *pollset);
+};
+
+/* Add an fd to a pollset */
+static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                           struct grpc_fd *fd);
+
+static void pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
+                               grpc_pollset_set *pollset_set, grpc_fd *fd);
+
+/* Convert a timespec to milliseconds:
+   - very small or negative poll times are clamped to zero to do a
+     non-blocking poll (which becomes spin polling)
+   - other small values are rounded up to one millisecond
+   - longer than a millisecond polls are rounded up to the next nearest
+     millisecond to avoid spinning
+   - infinite timeouts are converted to -1 */
+static int poll_deadline_to_millis_timeout(gpr_timespec deadline,
+                                           gpr_timespec now);
+
+/* Allow kick to wakeup the currently polling worker */
+#define GRPC_POLLSET_CAN_KICK_SELF 1
+/* Force the wakee to repoll when awoken */
+#define GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP 2
+/* As per pollset_kick, with an extended set of flags (defined above)
+   -- mostly for fd_posix's use. */
+static void pollset_kick_ext(grpc_pollset *p,
+                             grpc_pollset_worker *specific_worker,
+                             uint32_t flags);
+
+/* turn a pollset into a multipoller: platform specific */
+typedef void (*platform_become_multipoller_type)(grpc_exec_ctx *exec_ctx,
+                                                 grpc_pollset *pollset,
+                                                 struct grpc_fd **fds,
+                                                 size_t fd_count);
+static platform_become_multipoller_type platform_become_multipoller;
+
+/* Return 1 if the pollset has active threads in pollset_work (pollset must
+ * be locked) */
+static int pollset_has_workers(grpc_pollset *pollset);
+
+static void remove_fd_from_all_epoll_sets(int fd);
+
+/*******************************************************************************
+ * pollset_set definitions
+ */
+
+struct grpc_pollset_set {
+  gpr_mu mu;
+
+  size_t pollset_count;
+  size_t pollset_capacity;
+  grpc_pollset **pollsets;
+
+  size_t pollset_set_count;
+  size_t pollset_set_capacity;
+  struct grpc_pollset_set **pollset_sets;
+
+  size_t fd_count;
+  size_t fd_capacity;
+  grpc_fd **fds;
+};
+
+/*******************************************************************************
+ * fd_posix.c
+ */
+
+/* We need to keep a freelist not because of any concerns of malloc performance
+ * but instead so that implementations with multiple threads in (for example)
+ * epoll_wait deal with the race between pollset removal and incoming poll
+ * notifications.
+ *
+ * The problem is that the poller ultimately holds a reference to this
+ * object, so it is very difficult to know when is safe to free it, at least
+ * without some expensive synchronization.
+ *
+ * If we keep the object freelisted, in the worst case losing this race just
+ * becomes a spurious read notification on a reused fd.
+ */
+/* TODO(klempner): We could use some form of polling generation count to know
+ * when these are safe to free. */
+/* TODO(klempner): Consider disabling freelisting if we don't have multiple
+ * threads in poll on the same fd */
+/* TODO(klempner): Batch these allocations to reduce fragmentation */
+static grpc_fd *fd_freelist = NULL;
+static gpr_mu fd_freelist_mu;
+
+static void freelist_fd(grpc_fd *fd) {
+  gpr_mu_lock(&fd_freelist_mu);
+  fd->freelist_next = fd_freelist;
+  fd_freelist = fd;
+  grpc_iomgr_unregister_object(&fd->iomgr_object);
+  gpr_mu_unlock(&fd_freelist_mu);
+}
+
+static grpc_fd *alloc_fd(int fd) {
+  grpc_fd *r = NULL;
+  gpr_mu_lock(&fd_freelist_mu);
+  if (fd_freelist != NULL) {
+    r = fd_freelist;
+    fd_freelist = fd_freelist->freelist_next;
+  }
+  gpr_mu_unlock(&fd_freelist_mu);
+  if (r == NULL) {
+    r = gpr_malloc(sizeof(grpc_fd));
+    gpr_mu_init(&r->mu);
+  }
+
+  gpr_mu_lock(&r->mu);
+  gpr_atm_rel_store(&r->refst, 1);
+  r->shutdown = 0;
+  r->read_closure = CLOSURE_NOT_READY;
+  r->write_closure = CLOSURE_NOT_READY;
+  r->fd = fd;
+  r->inactive_watcher_root.next = r->inactive_watcher_root.prev =
+      &r->inactive_watcher_root;
+  r->freelist_next = NULL;
+  r->read_watcher = r->write_watcher = NULL;
+  r->on_done_closure = NULL;
+  r->closed = 0;
+  r->released = 0;
+  gpr_mu_unlock(&r->mu);
+  return r;
+}
+
+static void destroy(grpc_fd *fd) {
+  gpr_mu_destroy(&fd->mu);
+  gpr_free(fd);
+}
+
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+#define REF_BY(fd, n, reason) ref_by(fd, n, reason, __FILE__, __LINE__)
+#define UNREF_BY(fd, n, reason) unref_by(fd, n, reason, __FILE__, __LINE__)
+static void ref_by(grpc_fd *fd, int n, const char *reason, const char *file,
+                   int line) {
+  gpr_log(GPR_DEBUG, "FD %d %p   ref %d %d -> %d [%s; %s:%d]", fd->fd, fd, n,
+          gpr_atm_no_barrier_load(&fd->refst),
+          gpr_atm_no_barrier_load(&fd->refst) + n, reason, file, line);
+#else
+#define REF_BY(fd, n, reason) ref_by(fd, n)
+#define UNREF_BY(fd, n, reason) unref_by(fd, n)
+static void ref_by(grpc_fd *fd, int n) {
+#endif
+  GPR_ASSERT(gpr_atm_no_barrier_fetch_add(&fd->refst, n) > 0);
+}
+
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+static void unref_by(grpc_fd *fd, int n, const char *reason, const char *file,
+                     int line) {
+  gpr_atm old;
+  gpr_log(GPR_DEBUG, "FD %d %p unref %d %d -> %d [%s; %s:%d]", fd->fd, fd, n,
+          gpr_atm_no_barrier_load(&fd->refst),
+          gpr_atm_no_barrier_load(&fd->refst) - n, reason, file, line);
+#else
+static void unref_by(grpc_fd *fd, int n) {
+  gpr_atm old;
+#endif
+  old = gpr_atm_full_fetch_add(&fd->refst, -n);
+  if (old == n) {
+    freelist_fd(fd);
+  } else {
+    GPR_ASSERT(old > n);
+  }
+}
+
+static void fd_global_init(void) { gpr_mu_init(&fd_freelist_mu); }
+
+static void fd_global_shutdown(void) {
+  gpr_mu_lock(&fd_freelist_mu);
+  gpr_mu_unlock(&fd_freelist_mu);
+  while (fd_freelist != NULL) {
+    grpc_fd *fd = fd_freelist;
+    fd_freelist = fd_freelist->freelist_next;
+    destroy(fd);
+  }
+  gpr_mu_destroy(&fd_freelist_mu);
+}
+
+static grpc_fd *fd_create(int fd, const char *name) {
+  grpc_fd *r = alloc_fd(fd);
+  char *name2;
+  gpr_asprintf(&name2, "%s fd=%d", name, fd);
+  grpc_iomgr_register_object(&r->iomgr_object, name2);
+  gpr_free(name2);
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+  gpr_log(GPR_DEBUG, "FD %d %p create %s", fd, r, name);
+#endif
+  return r;
+}
+
+static bool fd_is_orphaned(grpc_fd *fd) {
+  return (gpr_atm_acq_load(&fd->refst) & 1) == 0;
+}
+
+static void pollset_kick_locked(grpc_fd_watcher *watcher) {
+  gpr_mu_lock(&watcher->pollset->mu);
+  GPR_ASSERT(watcher->worker);
+  pollset_kick_ext(watcher->pollset, watcher->worker,
+                   GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP);
+  gpr_mu_unlock(&watcher->pollset->mu);
+}
+
+static void maybe_wake_one_watcher_locked(grpc_fd *fd) {
+  if (fd->inactive_watcher_root.next != &fd->inactive_watcher_root) {
+    pollset_kick_locked(fd->inactive_watcher_root.next);
+  } else if (fd->read_watcher) {
+    pollset_kick_locked(fd->read_watcher);
+  } else if (fd->write_watcher) {
+    pollset_kick_locked(fd->write_watcher);
+  }
+}
+
+static void wake_all_watchers_locked(grpc_fd *fd) {
+  grpc_fd_watcher *watcher;
+  for (watcher = fd->inactive_watcher_root.next;
+       watcher != &fd->inactive_watcher_root; watcher = watcher->next) {
+    pollset_kick_locked(watcher);
+  }
+  if (fd->read_watcher) {
+    pollset_kick_locked(fd->read_watcher);
+  }
+  if (fd->write_watcher && fd->write_watcher != fd->read_watcher) {
+    pollset_kick_locked(fd->write_watcher);
+  }
+}
+
+static int has_watchers(grpc_fd *fd) {
+  return fd->read_watcher != NULL || fd->write_watcher != NULL ||
+         fd->inactive_watcher_root.next != &fd->inactive_watcher_root;
+}
+
+static void close_fd_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+  fd->closed = 1;
+  if (!fd->released) {
+    close(fd->fd);
+  } else {
+    remove_fd_from_all_epoll_sets(fd->fd);
+  }
+  grpc_exec_ctx_enqueue(exec_ctx, fd->on_done_closure, true, NULL);
+}
+
+static int fd_wrapped_fd(grpc_fd *fd) {
+  if (fd->released || fd->closed) {
+    return -1;
+  } else {
+    return fd->fd;
+  }
+}
+
+static void fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                      grpc_closure *on_done, int *release_fd,
+                      const char *reason) {
+  fd->on_done_closure = on_done;
+  fd->released = release_fd != NULL;
+  if (!fd->released) {
+    shutdown(fd->fd, SHUT_RDWR);
+  } else {
+    *release_fd = fd->fd;
+  }
+  gpr_mu_lock(&fd->mu);
+  REF_BY(fd, 1, reason); /* remove active status, but keep referenced */
+  if (!has_watchers(fd)) {
+    close_fd_locked(exec_ctx, fd);
+  } else {
+    wake_all_watchers_locked(fd);
+  }
+  gpr_mu_unlock(&fd->mu);
+  UNREF_BY(fd, 2, reason); /* drop the reference */
+}
+
+/* increment refcount by two to avoid changing the orphan bit */
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+static void fd_ref(grpc_fd *fd, const char *reason, const char *file,
+                   int line) {
+  ref_by(fd, 2, reason, file, line);
+}
+
+static void fd_unref(grpc_fd *fd, const char *reason, const char *file,
+                     int line) {
+  unref_by(fd, 2, reason, file, line);
+}
+#else
+static void fd_ref(grpc_fd *fd) { ref_by(fd, 2); }
+
+static void fd_unref(grpc_fd *fd) { unref_by(fd, 2); }
+#endif
+
+static void notify_on_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                             grpc_closure **st, grpc_closure *closure) {
+  if (*st == CLOSURE_NOT_READY) {
+    /* not ready ==> switch to a waiting state by setting the closure */
+    *st = closure;
+  } else if (*st == CLOSURE_READY) {
+    /* already ready ==> queue the closure to run immediately */
+    *st = CLOSURE_NOT_READY;
+    grpc_exec_ctx_enqueue(exec_ctx, closure, !fd->shutdown, NULL);
+    maybe_wake_one_watcher_locked(fd);
+  } else {
+    /* upcallptr was set to a different closure.  This is an error! */
+    gpr_log(GPR_ERROR,
+            "User called a notify_on function with a previous callback still "
+            "pending");
+    abort();
+  }
+}
+
+/* returns 1 if state becomes not ready */
+static int set_ready_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                            grpc_closure **st) {
+  if (*st == CLOSURE_READY) {
+    /* duplicate ready ==> ignore */
+    return 0;
+  } else if (*st == CLOSURE_NOT_READY) {
+    /* not ready, and not waiting ==> flag ready */
+    *st = CLOSURE_READY;
+    return 0;
+  } else {
+    /* waiting ==> queue closure */
+    grpc_exec_ctx_enqueue(exec_ctx, *st, !fd->shutdown, NULL);
+    *st = CLOSURE_NOT_READY;
+    return 1;
+  }
+}
+
+static void fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+  gpr_mu_lock(&fd->mu);
+  GPR_ASSERT(!fd->shutdown);
+  fd->shutdown = 1;
+  set_ready_locked(exec_ctx, fd, &fd->read_closure);
+  set_ready_locked(exec_ctx, fd, &fd->write_closure);
+  gpr_mu_unlock(&fd->mu);
+}
+
+static void fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                              grpc_closure *closure) {
+  gpr_mu_lock(&fd->mu);
+  notify_on_locked(exec_ctx, fd, &fd->read_closure, closure);
+  gpr_mu_unlock(&fd->mu);
+}
+
+static void fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                               grpc_closure *closure) {
+  gpr_mu_lock(&fd->mu);
+  notify_on_locked(exec_ctx, fd, &fd->write_closure, closure);
+  gpr_mu_unlock(&fd->mu);
+}
+
+static uint32_t fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset,
+                              grpc_pollset_worker *worker, uint32_t read_mask,
+                              uint32_t write_mask, grpc_fd_watcher *watcher) {
+  uint32_t mask = 0;
+  grpc_closure *cur;
+  int requested;
+  /* keep track of pollers that have requested our events, in case they change
+   */
+  GRPC_FD_REF(fd, "poll");
+
+  gpr_mu_lock(&fd->mu);
+
+  /* if we are shutdown, then don't add to the watcher set */
+  if (fd->shutdown) {
+    watcher->fd = NULL;
+    watcher->pollset = NULL;
+    watcher->worker = NULL;
+    gpr_mu_unlock(&fd->mu);
+    GRPC_FD_UNREF(fd, "poll");
+    return 0;
+  }
+
+  /* if there is nobody polling for read, but we need to, then start doing so */
+  cur = fd->read_closure;
+  requested = cur != CLOSURE_READY;
+  if (read_mask && fd->read_watcher == NULL && requested) {
+    fd->read_watcher = watcher;
+    mask |= read_mask;
+  }
+  /* if there is nobody polling for write, but we need to, then start doing so
+   */
+  cur = fd->write_closure;
+  requested = cur != CLOSURE_READY;
+  if (write_mask && fd->write_watcher == NULL && requested) {
+    fd->write_watcher = watcher;
+    mask |= write_mask;
+  }
+  /* if not polling, remember this watcher in case we need someone to later */
+  if (mask == 0 && worker != NULL) {
+    watcher->next = &fd->inactive_watcher_root;
+    watcher->prev = watcher->next->prev;
+    watcher->next->prev = watcher->prev->next = watcher;
+  }
+  watcher->pollset = pollset;
+  watcher->worker = worker;
+  watcher->fd = fd;
+  gpr_mu_unlock(&fd->mu);
+
+  return mask;
+}
+
+static void fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *watcher,
+                        int got_read, int got_write) {
+  int was_polling = 0;
+  int kick = 0;
+  grpc_fd *fd = watcher->fd;
+
+  if (fd == NULL) {
+    return;
+  }
+
+  gpr_mu_lock(&fd->mu);
+
+  if (watcher == fd->read_watcher) {
+    /* remove read watcher, kick if we still need a read */
+    was_polling = 1;
+    if (!got_read) {
+      kick = 1;
+    }
+    fd->read_watcher = NULL;
+  }
+  if (watcher == fd->write_watcher) {
+    /* remove write watcher, kick if we still need a write */
+    was_polling = 1;
+    if (!got_write) {
+      kick = 1;
+    }
+    fd->write_watcher = NULL;
+  }
+  if (!was_polling && watcher->worker != NULL) {
+    /* remove from inactive list */
+    watcher->next->prev = watcher->prev;
+    watcher->prev->next = watcher->next;
+  }
+  if (got_read) {
+    if (set_ready_locked(exec_ctx, fd, &fd->read_closure)) {
+      kick = 1;
+    }
+  }
+  if (got_write) {
+    if (set_ready_locked(exec_ctx, fd, &fd->write_closure)) {
+      kick = 1;
+    }
+  }
+  if (kick) {
+    maybe_wake_one_watcher_locked(fd);
+  }
+  if (fd_is_orphaned(fd) && !has_watchers(fd) && !fd->closed) {
+    close_fd_locked(exec_ctx, fd);
+  }
+  gpr_mu_unlock(&fd->mu);
+
+  GRPC_FD_UNREF(fd, "poll");
+}
+
+/*******************************************************************************
+ * pollset_posix.c
+ */
+
+GPR_TLS_DECL(g_current_thread_poller);
+GPR_TLS_DECL(g_current_thread_worker);
+
+/** The alarm system needs to be able to wakeup 'some poller' sometimes
+ *  (specifically when a new alarm needs to be triggered earlier than the next
+ *  alarm 'epoch').
+ *  This wakeup_fd gives us something to alert on when such a case occurs. */
+grpc_wakeup_fd grpc_global_wakeup_fd;
+
+static void remove_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
+  worker->prev->next = worker->next;
+  worker->next->prev = worker->prev;
+}
+
+static int pollset_has_workers(grpc_pollset *p) {
+  return p->root_worker.next != &p->root_worker;
+}
+
+static grpc_pollset_worker *pop_front_worker(grpc_pollset *p) {
+  if (pollset_has_workers(p)) {
+    grpc_pollset_worker *w = p->root_worker.next;
+    remove_worker(p, w);
+    return w;
+  } else {
+    return NULL;
+  }
+}
+
+static void push_back_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
+  worker->next = &p->root_worker;
+  worker->prev = worker->next->prev;
+  worker->prev->next = worker->next->prev = worker;
+}
+
+static void push_front_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
+  worker->prev = &p->root_worker;
+  worker->next = worker->prev->next;
+  worker->prev->next = worker->next->prev = worker;
+}
+
+static void pollset_kick_ext(grpc_pollset *p,
+                             grpc_pollset_worker *specific_worker,
+                             uint32_t flags) {
+  GPR_TIMER_BEGIN("pollset_kick_ext", 0);
+
+  /* pollset->mu already held */
+  if (specific_worker != NULL) {
+    if (specific_worker == GRPC_POLLSET_KICK_BROADCAST) {
+      GPR_TIMER_BEGIN("pollset_kick_ext.broadcast", 0);
+      GPR_ASSERT((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) == 0);
+      for (specific_worker = p->root_worker.next;
+           specific_worker != &p->root_worker;
+           specific_worker = specific_worker->next) {
+        grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
+      }
+      p->kicked_without_pollers = 1;
+      GPR_TIMER_END("pollset_kick_ext.broadcast", 0);
+    } else if (gpr_tls_get(&g_current_thread_worker) !=
+               (intptr_t)specific_worker) {
+      GPR_TIMER_MARK("different_thread_worker", 0);
+      if ((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) != 0) {
+        specific_worker->reevaluate_polling_on_wakeup = 1;
+      }
+      specific_worker->kicked_specifically = 1;
+      grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
+    } else if ((flags & GRPC_POLLSET_CAN_KICK_SELF) != 0) {
+      GPR_TIMER_MARK("kick_yoself", 0);
+      if ((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) != 0) {
+        specific_worker->reevaluate_polling_on_wakeup = 1;
+      }
+      specific_worker->kicked_specifically = 1;
+      grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
+    }
+  } else if (gpr_tls_get(&g_current_thread_poller) != (intptr_t)p) {
+    GPR_ASSERT((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) == 0);
+    GPR_TIMER_MARK("kick_anonymous", 0);
+    specific_worker = pop_front_worker(p);
+    if (specific_worker != NULL) {
+      if (gpr_tls_get(&g_current_thread_worker) == (intptr_t)specific_worker) {
+        GPR_TIMER_MARK("kick_anonymous_not_self", 0);
+        push_back_worker(p, specific_worker);
+        specific_worker = pop_front_worker(p);
+        if ((flags & GRPC_POLLSET_CAN_KICK_SELF) == 0 &&
+            gpr_tls_get(&g_current_thread_worker) ==
+                (intptr_t)specific_worker) {
+          push_back_worker(p, specific_worker);
+          specific_worker = NULL;
+        }
+      }
+      if (specific_worker != NULL) {
+        GPR_TIMER_MARK("finally_kick", 0);
+        push_back_worker(p, specific_worker);
+        grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
+      }
+    } else {
+      GPR_TIMER_MARK("kicked_no_pollers", 0);
+      p->kicked_without_pollers = 1;
+    }
+  }
+
+  GPR_TIMER_END("pollset_kick_ext", 0);
+}
+
+static void pollset_kick(grpc_pollset *p,
+                         grpc_pollset_worker *specific_worker) {
+  pollset_kick_ext(p, specific_worker, 0);
+}
+
+/* global state management */
+
+static void pollset_global_init(void) {
+  gpr_tls_init(&g_current_thread_poller);
+  gpr_tls_init(&g_current_thread_worker);
+  grpc_wakeup_fd_global_init();
+  grpc_wakeup_fd_init(&grpc_global_wakeup_fd);
+}
+
+static void pollset_global_shutdown(void) {
+  grpc_wakeup_fd_destroy(&grpc_global_wakeup_fd);
+  gpr_tls_destroy(&g_current_thread_poller);
+  gpr_tls_destroy(&g_current_thread_worker);
+  grpc_wakeup_fd_global_destroy();
+}
+
+static void kick_poller(void) { grpc_wakeup_fd_wakeup(&grpc_global_wakeup_fd); }
+
+/* main interface */
+
+static void become_basic_pollset(grpc_pollset *pollset, grpc_fd *fd_or_null);
+
+static void pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
+  gpr_mu_init(&pollset->mu);
+  *mu = &pollset->mu;
+  pollset->root_worker.next = pollset->root_worker.prev = &pollset->root_worker;
+  pollset->in_flight_cbs = 0;
+  pollset->shutting_down = 0;
+  pollset->called_shutdown = 0;
+  pollset->kicked_without_pollers = 0;
+  pollset->idle_jobs.head = pollset->idle_jobs.tail = NULL;
+  pollset->local_wakeup_cache = NULL;
+  pollset->kicked_without_pollers = 0;
+  become_basic_pollset(pollset, NULL);
+}
+
+static void pollset_destroy(grpc_pollset *pollset) {
+  GPR_ASSERT(pollset->in_flight_cbs == 0);
+  GPR_ASSERT(!pollset_has_workers(pollset));
+  GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail);
+  pollset->vtable->destroy(pollset);
+  while (pollset->local_wakeup_cache) {
+    grpc_cached_wakeup_fd *next = pollset->local_wakeup_cache->next;
+    grpc_wakeup_fd_destroy(&pollset->local_wakeup_cache->fd);
+    gpr_free(pollset->local_wakeup_cache);
+    pollset->local_wakeup_cache = next;
+  }
+  gpr_mu_destroy(&pollset->mu);
+}
+
+static void pollset_reset(grpc_pollset *pollset) {
+  GPR_ASSERT(pollset->shutting_down);
+  GPR_ASSERT(pollset->in_flight_cbs == 0);
+  GPR_ASSERT(!pollset_has_workers(pollset));
+  GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail);
+  pollset->vtable->destroy(pollset);
+  pollset->shutting_down = 0;
+  pollset->called_shutdown = 0;
+  pollset->kicked_without_pollers = 0;
+  become_basic_pollset(pollset, NULL);
+}
+
+static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                           grpc_fd *fd) {
+  gpr_mu_lock(&pollset->mu);
+  pollset->vtable->add_fd(exec_ctx, pollset, fd, 1);
+/* the following (enabled only in debug) will reacquire and then release
+   our lock - meaning that if the unlocking flag passed to add_fd above is
+   not respected, the code will deadlock (in a way that we have a chance of
+   debugging) */
+#ifndef NDEBUG
+  gpr_mu_lock(&pollset->mu);
+  gpr_mu_unlock(&pollset->mu);
+#endif
+}
+
+static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
+  GPR_ASSERT(grpc_closure_list_empty(pollset->idle_jobs));
+  pollset->vtable->finish_shutdown(pollset);
+  grpc_exec_ctx_enqueue(exec_ctx, pollset->shutdown_done, true, NULL);
+}
+
+static void pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                         grpc_pollset_worker **worker_hdl, gpr_timespec now,
+                         gpr_timespec deadline) {
+  grpc_pollset_worker worker;
+  *worker_hdl = &worker;
+
+  /* pollset->mu already held */
+  int added_worker = 0;
+  int locked = 1;
+  int queued_work = 0;
+  int keep_polling = 0;
+  GPR_TIMER_BEGIN("pollset_work", 0);
+  /* this must happen before we (potentially) drop pollset->mu */
+  worker.next = worker.prev = NULL;
+  worker.reevaluate_polling_on_wakeup = 0;
+  if (pollset->local_wakeup_cache != NULL) {
+    worker.wakeup_fd = pollset->local_wakeup_cache;
+    pollset->local_wakeup_cache = worker.wakeup_fd->next;
+  } else {
+    worker.wakeup_fd = gpr_malloc(sizeof(*worker.wakeup_fd));
+    grpc_wakeup_fd_init(&worker.wakeup_fd->fd);
+  }
+  worker.kicked_specifically = 0;
+  /* If there's work waiting for the pollset to be idle, and the
+     pollset is idle, then do that work */
+  if (!pollset_has_workers(pollset) &&
+      !grpc_closure_list_empty(pollset->idle_jobs)) {
+    GPR_TIMER_MARK("pollset_work.idle_jobs", 0);
+    grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL);
+    goto done;
+  }
+  /* If we're shutting down then we don't execute any extended work */
+  if (pollset->shutting_down) {
+    GPR_TIMER_MARK("pollset_work.shutting_down", 0);
+    goto done;
+  }
+  /* Give do_promote priority so we don't starve it out */
+  if (pollset->in_flight_cbs) {
+    GPR_TIMER_MARK("pollset_work.in_flight_cbs", 0);
+    gpr_mu_unlock(&pollset->mu);
+    locked = 0;
+    goto done;
+  }
+  /* Start polling, and keep doing so while we're being asked to
+     re-evaluate our pollers (this allows poll() based pollers to
+     ensure they don't miss wakeups) */
+  keep_polling = 1;
+  while (keep_polling) {
+    keep_polling = 0;
+    if (!pollset->kicked_without_pollers) {
+      if (!added_worker) {
+        push_front_worker(pollset, &worker);
+        added_worker = 1;
+        gpr_tls_set(&g_current_thread_worker, (intptr_t)&worker);
+      }
+      gpr_tls_set(&g_current_thread_poller, (intptr_t)pollset);
+      GPR_TIMER_BEGIN("maybe_work_and_unlock", 0);
+      pollset->vtable->maybe_work_and_unlock(exec_ctx, pollset, &worker,
+                                             deadline, now);
+      GPR_TIMER_END("maybe_work_and_unlock", 0);
+      locked = 0;
+      gpr_tls_set(&g_current_thread_poller, 0);
+    } else {
+      GPR_TIMER_MARK("pollset_work.kicked_without_pollers", 0);
+      pollset->kicked_without_pollers = 0;
+    }
+  /* Finished execution - start cleaning up.
+     Note that we may arrive here from outside the enclosing while() loop.
+     In that case we won't loop though as we haven't added worker to the
+     worker list, which means nobody could ask us to re-evaluate polling). */
+  done:
+    if (!locked) {
+      queued_work |= grpc_exec_ctx_flush(exec_ctx);
+      gpr_mu_lock(&pollset->mu);
+      locked = 1;
+    }
+    /* If we're forced to re-evaluate polling (via pollset_kick with
+       GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) then we land here and force
+       a loop */
+    if (worker.reevaluate_polling_on_wakeup) {
+      worker.reevaluate_polling_on_wakeup = 0;
+      pollset->kicked_without_pollers = 0;
+      if (queued_work || worker.kicked_specifically) {
+        /* If there's queued work on the list, then set the deadline to be
+           immediate so we get back out of the polling loop quickly */
+        deadline = gpr_inf_past(GPR_CLOCK_MONOTONIC);
+      }
+      keep_polling = 1;
+    }
+  }
+  if (added_worker) {
+    remove_worker(pollset, &worker);
+    gpr_tls_set(&g_current_thread_worker, 0);
+  }
+  /* release wakeup fd to the local pool */
+  worker.wakeup_fd->next = pollset->local_wakeup_cache;
+  pollset->local_wakeup_cache = worker.wakeup_fd;
+  /* check shutdown conditions */
+  if (pollset->shutting_down) {
+    if (pollset_has_workers(pollset)) {
+      pollset_kick(pollset, NULL);
+    } else if (!pollset->called_shutdown && pollset->in_flight_cbs == 0) {
+      pollset->called_shutdown = 1;
+      gpr_mu_unlock(&pollset->mu);
+      finish_shutdown(exec_ctx, pollset);
+      grpc_exec_ctx_flush(exec_ctx);
+      /* Continuing to access pollset here is safe -- it is the caller's
+       * responsibility to not destroy when it has outstanding calls to
+       * pollset_work.
+       * TODO(dklempner): Can we refactor the shutdown logic to avoid this? */
+      gpr_mu_lock(&pollset->mu);
+    } else if (!grpc_closure_list_empty(pollset->idle_jobs)) {
+      grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL);
+      gpr_mu_unlock(&pollset->mu);
+      grpc_exec_ctx_flush(exec_ctx);
+      gpr_mu_lock(&pollset->mu);
+    }
+  }
+  *worker_hdl = NULL;
+  GPR_TIMER_END("pollset_work", 0);
+}
+
+static void pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                             grpc_closure *closure) {
+  GPR_ASSERT(!pollset->shutting_down);
+  pollset->shutting_down = 1;
+  pollset->shutdown_done = closure;
+  pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
+  if (!pollset_has_workers(pollset)) {
+    grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL);
+  }
+  if (!pollset->called_shutdown && pollset->in_flight_cbs == 0 &&
+      !pollset_has_workers(pollset)) {
+    pollset->called_shutdown = 1;
+    finish_shutdown(exec_ctx, pollset);
+  }
+}
+
+static int poll_deadline_to_millis_timeout(gpr_timespec deadline,
+                                           gpr_timespec now) {
+  gpr_timespec timeout;
+  static const int64_t max_spin_polling_us = 10;
+  if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) == 0) {
+    return -1;
+  }
+  if (gpr_time_cmp(deadline, gpr_time_add(now, gpr_time_from_micros(
+                                                   max_spin_polling_us,
+                                                   GPR_TIMESPAN))) <= 0) {
+    return 0;
+  }
+  timeout = gpr_time_sub(deadline, now);
+  return gpr_time_to_millis(gpr_time_add(
+      timeout, gpr_time_from_nanos(GPR_NS_PER_MS - 1, GPR_TIMESPAN)));
+}
+
+/*
+ * basic_pollset - a vtable that provides polling for zero or one file
+ *                 descriptor via poll()
+ */
+
+typedef struct grpc_unary_promote_args {
+  const grpc_pollset_vtable *original_vtable;
+  grpc_pollset *pollset;
+  grpc_fd *fd;
+  grpc_closure promotion_closure;
+} grpc_unary_promote_args;
+
+static void basic_do_promote(grpc_exec_ctx *exec_ctx, void *args,
+                             bool success) {
+  grpc_unary_promote_args *up_args = args;
+  const grpc_pollset_vtable *original_vtable = up_args->original_vtable;
+  grpc_pollset *pollset = up_args->pollset;
+  grpc_fd *fd = up_args->fd;
+
+  /*
+   * This is quite tricky. There are a number of cases to keep in mind here:
+   * 1. fd may have been orphaned
+   * 2. The pollset may no longer be a unary poller (and we can't let case #1
+   * leak to other pollset types!)
+   * 3. pollset's fd (which may have changed) may have been orphaned
+   * 4. The pollset may be shutting down.
+   */
+
+  gpr_mu_lock(&pollset->mu);
+  /* First we need to ensure that nobody is polling concurrently */
+  GPR_ASSERT(!pollset_has_workers(pollset));
+
+  gpr_free(up_args);
+  /* At this point the pollset may no longer be a unary poller. In that case
+   * we should just call the right add function and be done. */
+  /* TODO(klempner): If we're not careful this could cause infinite recursion.
+   * That's not a problem for now because empty_pollset has a trivial poller
+   * and we don't have any mechanism to unbecome multipoller. */
+  pollset->in_flight_cbs--;
+  if (pollset->shutting_down) {
+    /* We don't care about this pollset anymore. */
+    if (pollset->in_flight_cbs == 0 && !pollset->called_shutdown) {
+      pollset->called_shutdown = 1;
+      finish_shutdown(exec_ctx, pollset);
+    }
+  } else if (fd_is_orphaned(fd)) {
+    /* Don't try to add it to anything, we'll drop our ref on it below */
+  } else if (pollset->vtable != original_vtable) {
+    pollset->vtable->add_fd(exec_ctx, pollset, fd, 0);
+  } else if (fd != pollset->data.ptr) {
+    grpc_fd *fds[2];
+    fds[0] = pollset->data.ptr;
+    fds[1] = fd;
+
+    if (fds[0] && !fd_is_orphaned(fds[0])) {
+      platform_become_multipoller(exec_ctx, pollset, fds, GPR_ARRAY_SIZE(fds));
+      GRPC_FD_UNREF(fds[0], "basicpoll");
+    } else {
+      /* old fd is orphaned and we haven't cleaned it up until now, so remain a
+       * unary poller */
+      /* Note that it is possible that fds[1] is also orphaned at this point.
+       * That's okay, we'll correct it at the next add or poll. */
+      if (fds[0]) GRPC_FD_UNREF(fds[0], "basicpoll");
+      pollset->data.ptr = fd;
+      GRPC_FD_REF(fd, "basicpoll");
+    }
+  }
+
+  gpr_mu_unlock(&pollset->mu);
+
+  /* Matching ref in basic_pollset_add_fd */
+  GRPC_FD_UNREF(fd, "basicpoll_add");
+}
+
+static void basic_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                                 grpc_fd *fd, int and_unlock_pollset) {
+  grpc_unary_promote_args *up_args;
+  GPR_ASSERT(fd);
+  if (fd == pollset->data.ptr) goto exit;
+
+  if (!pollset_has_workers(pollset)) {
+    /* Fast path -- no in flight cbs */
+    /* TODO(klempner): Comment this out and fix any test failures or establish
+     * they are due to timing issues */
+    grpc_fd *fds[2];
+    fds[0] = pollset->data.ptr;
+    fds[1] = fd;
+
+    if (fds[0] == NULL) {
+      pollset->data.ptr = fd;
+      GRPC_FD_REF(fd, "basicpoll");
+    } else if (!fd_is_orphaned(fds[0])) {
+      platform_become_multipoller(exec_ctx, pollset, fds, GPR_ARRAY_SIZE(fds));
+      GRPC_FD_UNREF(fds[0], "basicpoll");
+    } else {
+      /* old fd is orphaned and we haven't cleaned it up until now, so remain a
+       * unary poller */
+      GRPC_FD_UNREF(fds[0], "basicpoll");
+      pollset->data.ptr = fd;
+      GRPC_FD_REF(fd, "basicpoll");
+    }
+    goto exit;
+  }
+
+  /* Now we need to promote. This needs to happen when we're not polling. Since
+   * this may be called from poll, the wait needs to happen asynchronously. */
+  GRPC_FD_REF(fd, "basicpoll_add");
+  pollset->in_flight_cbs++;
+  up_args = gpr_malloc(sizeof(*up_args));
+  up_args->fd = fd;
+  up_args->original_vtable = pollset->vtable;
+  up_args->pollset = pollset;
+  up_args->promotion_closure.cb = basic_do_promote;
+  up_args->promotion_closure.cb_arg = up_args;
+
+  grpc_closure_list_add(&pollset->idle_jobs, &up_args->promotion_closure, 1);
+  pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
+
+exit:
+  if (and_unlock_pollset) {
+    gpr_mu_unlock(&pollset->mu);
+  }
+}
+
+static void basic_pollset_maybe_work_and_unlock(grpc_exec_ctx *exec_ctx,
+                                                grpc_pollset *pollset,
+                                                grpc_pollset_worker *worker,
+                                                gpr_timespec deadline,
+                                                gpr_timespec now) {
+#define POLLOUT_CHECK (POLLOUT | POLLHUP | POLLERR)
+#define POLLIN_CHECK (POLLIN | POLLHUP | POLLERR)
+
+  struct pollfd pfd[3];
+  grpc_fd *fd;
+  grpc_fd_watcher fd_watcher;
+  int timeout;
+  int r;
+  nfds_t nfds;
+
+  fd = pollset->data.ptr;
+  if (fd && fd_is_orphaned(fd)) {
+    GRPC_FD_UNREF(fd, "basicpoll");
+    fd = pollset->data.ptr = NULL;
+  }
+  timeout = poll_deadline_to_millis_timeout(deadline, now);
+  pfd[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd);
+  pfd[0].events = POLLIN;
+  pfd[0].revents = 0;
+  pfd[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
+  pfd[1].events = POLLIN;
+  pfd[1].revents = 0;
+  nfds = 2;
+  if (fd) {
+    pfd[2].fd = fd->fd;
+    pfd[2].revents = 0;
+    GRPC_FD_REF(fd, "basicpoll_begin");
+    gpr_mu_unlock(&pollset->mu);
+    pfd[2].events =
+        (short)fd_begin_poll(fd, pollset, worker, POLLIN, POLLOUT, &fd_watcher);
+    if (pfd[2].events != 0) {
+      nfds++;
+    }
+  } else {
+    gpr_mu_unlock(&pollset->mu);
+  }
+
+  /* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
+     even going into the blocking annotation if possible */
+  /* poll fd count (argument 2) is shortened by one if we have no events
+     to poll on - such that it only includes the kicker */
+  GPR_TIMER_BEGIN("poll", 0);
+  GRPC_SCHEDULING_START_BLOCKING_REGION;
+  r = grpc_poll_function(pfd, nfds, timeout);
+  GRPC_SCHEDULING_END_BLOCKING_REGION;
+  GPR_TIMER_END("poll", 0);
+
+  if (r < 0) {
+    if (errno != EINTR) {
+      gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno));
+    }
+    if (fd) {
+      fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
+    }
+  } else if (r == 0) {
+    if (fd) {
+      fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
+    }
+  } else {
+    if (pfd[0].revents & POLLIN_CHECK) {
+      grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
+    }
+    if (pfd[1].revents & POLLIN_CHECK) {
+      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
+    }
+    if (nfds > 2) {
+      fd_end_poll(exec_ctx, &fd_watcher, pfd[2].revents & POLLIN_CHECK,
+                  pfd[2].revents & POLLOUT_CHECK);
+    } else if (fd) {
+      fd_end_poll(exec_ctx, &fd_watcher, 0, 0);
+    }
+  }
+
+  if (fd) {
+    GRPC_FD_UNREF(fd, "basicpoll_begin");
+  }
+}
+
+static void basic_pollset_destroy(grpc_pollset *pollset) {
+  if (pollset->data.ptr != NULL) {
+    GRPC_FD_UNREF(pollset->data.ptr, "basicpoll");
+    pollset->data.ptr = NULL;
+  }
+}
+
+static const grpc_pollset_vtable basic_pollset = {
+    basic_pollset_add_fd, basic_pollset_maybe_work_and_unlock,
+    basic_pollset_destroy, basic_pollset_destroy};
+
+static void become_basic_pollset(grpc_pollset *pollset, grpc_fd *fd_or_null) {
+  pollset->vtable = &basic_pollset;
+  pollset->data.ptr = fd_or_null;
+  if (fd_or_null != NULL) {
+    GRPC_FD_REF(fd_or_null, "basicpoll");
+  }
+}
+
+/*******************************************************************************
+ * pollset_multipoller_with_poll_posix.c
+ */
+
+#ifndef GPR_LINUX_MULTIPOLL_WITH_EPOLL
+
+typedef struct {
+  /* all polled fds */
+  size_t fd_count;
+  size_t fd_capacity;
+  grpc_fd **fds;
+  /* fds that have been removed from the pollset explicitly */
+  size_t del_count;
+  size_t del_capacity;
+  grpc_fd **dels;
+} poll_hdr;
+
+static void multipoll_with_poll_pollset_add_fd(grpc_exec_ctx *exec_ctx,
+                                               grpc_pollset *pollset,
+                                               grpc_fd *fd,
+                                               int and_unlock_pollset) {
+  size_t i;
+  poll_hdr *h = pollset->data.ptr;
+  /* TODO(ctiller): this is O(num_fds^2); maybe switch to a hash set here */
+  for (i = 0; i < h->fd_count; i++) {
+    if (h->fds[i] == fd) goto exit;
+  }
+  if (h->fd_count == h->fd_capacity) {
+    h->fd_capacity = GPR_MAX(h->fd_capacity + 8, h->fd_count * 3 / 2);
+    h->fds = gpr_realloc(h->fds, sizeof(grpc_fd *) * h->fd_capacity);
+  }
+  h->fds[h->fd_count++] = fd;
+  GRPC_FD_REF(fd, "multipoller");
+exit:
+  if (and_unlock_pollset) {
+    gpr_mu_unlock(&pollset->mu);
+  }
+}
+
+static void multipoll_with_poll_pollset_maybe_work_and_unlock(
+    grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, grpc_pollset_worker *worker,
+    gpr_timespec deadline, gpr_timespec now) {
+#define POLLOUT_CHECK (POLLOUT | POLLHUP | POLLERR)
+#define POLLIN_CHECK (POLLIN | POLLHUP | POLLERR)
+
+  int timeout;
+  int r;
+  size_t i, j, fd_count;
+  nfds_t pfd_count;
+  poll_hdr *h;
+  /* TODO(ctiller): inline some elements to avoid an allocation */
+  grpc_fd_watcher *watchers;
+  struct pollfd *pfds;
+
+  h = pollset->data.ptr;
+  timeout = poll_deadline_to_millis_timeout(deadline, now);
+  /* TODO(ctiller): perform just one malloc here if we exceed the inline case */
+  pfds = gpr_malloc(sizeof(*pfds) * (h->fd_count + 2));
+  watchers = gpr_malloc(sizeof(*watchers) * (h->fd_count + 2));
+  fd_count = 0;
+  pfd_count = 2;
+  pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd);
+  pfds[0].events = POLLIN;
+  pfds[0].revents = 0;
+  pfds[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
+  pfds[1].events = POLLIN;
+  pfds[1].revents = 0;
+  for (i = 0; i < h->fd_count; i++) {
+    int remove = fd_is_orphaned(h->fds[i]);
+    for (j = 0; !remove && j < h->del_count; j++) {
+      if (h->fds[i] == h->dels[j]) remove = 1;
+    }
+    if (remove) {
+      GRPC_FD_UNREF(h->fds[i], "multipoller");
+    } else {
+      h->fds[fd_count++] = h->fds[i];
+      watchers[pfd_count].fd = h->fds[i];
+      GRPC_FD_REF(watchers[pfd_count].fd, "multipoller_start");
+      pfds[pfd_count].fd = h->fds[i]->fd;
+      pfds[pfd_count].revents = 0;
+      pfd_count++;
+    }
+  }
+  for (j = 0; j < h->del_count; j++) {
+    GRPC_FD_UNREF(h->dels[j], "multipoller_del");
+  }
+  h->del_count = 0;
+  h->fd_count = fd_count;
+  gpr_mu_unlock(&pollset->mu);
+
+  for (i = 2; i < pfd_count; i++) {
+    grpc_fd *fd = watchers[i].fd;
+    pfds[i].events = (short)fd_begin_poll(fd, pollset, worker, POLLIN, POLLOUT,
+                                          &watchers[i]);
+    GRPC_FD_UNREF(fd, "multipoller_start");
+  }
+
+  /* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
+     even going into the blocking annotation if possible */
+  GRPC_SCHEDULING_START_BLOCKING_REGION;
+  r = grpc_poll_function(pfds, pfd_count, timeout);
+  GRPC_SCHEDULING_END_BLOCKING_REGION;
+
+  if (r < 0) {
+    if (errno != EINTR) {
+      gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno));
+    }
+    for (i = 2; i < pfd_count; i++) {
+      fd_end_poll(exec_ctx, &watchers[i], 0, 0);
+    }
+  } else if (r == 0) {
+    for (i = 2; i < pfd_count; i++) {
+      fd_end_poll(exec_ctx, &watchers[i], 0, 0);
+    }
+  } else {
+    if (pfds[0].revents & POLLIN_CHECK) {
+      grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
+    }
+    if (pfds[1].revents & POLLIN_CHECK) {
+      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
+    }
+    for (i = 2; i < pfd_count; i++) {
+      if (watchers[i].fd == NULL) {
+        fd_end_poll(exec_ctx, &watchers[i], 0, 0);
+        continue;
+      }
+      fd_end_poll(exec_ctx, &watchers[i], pfds[i].revents & POLLIN_CHECK,
+                  pfds[i].revents & POLLOUT_CHECK);
+    }
+  }
+
+  gpr_free(pfds);
+  gpr_free(watchers);
+}
+
+static void multipoll_with_poll_pollset_finish_shutdown(grpc_pollset *pollset) {
+  size_t i;
+  poll_hdr *h = pollset->data.ptr;
+  for (i = 0; i < h->fd_count; i++) {
+    GRPC_FD_UNREF(h->fds[i], "multipoller");
+  }
+  for (i = 0; i < h->del_count; i++) {
+    GRPC_FD_UNREF(h->dels[i], "multipoller_del");
+  }
+  h->fd_count = 0;
+  h->del_count = 0;
+}
+
+static void multipoll_with_poll_pollset_destroy(grpc_pollset *pollset) {
+  poll_hdr *h = pollset->data.ptr;
+  multipoll_with_poll_pollset_finish_shutdown(pollset);
+  gpr_free(h->fds);
+  gpr_free(h->dels);
+  gpr_free(h);
+}
+
+static const grpc_pollset_vtable multipoll_with_poll_pollset = {
+    multipoll_with_poll_pollset_add_fd,
+    multipoll_with_poll_pollset_maybe_work_and_unlock,
+    multipoll_with_poll_pollset_finish_shutdown,
+    multipoll_with_poll_pollset_destroy};
+
+static void poll_become_multipoller(grpc_exec_ctx *exec_ctx,
+                                    grpc_pollset *pollset, grpc_fd **fds,
+                                    size_t nfds) {
+  size_t i;
+  poll_hdr *h = gpr_malloc(sizeof(poll_hdr));
+  pollset->vtable = &multipoll_with_poll_pollset;
+  pollset->data.ptr = h;
+  h->fd_count = nfds;
+  h->fd_capacity = nfds;
+  h->fds = gpr_malloc(nfds * sizeof(grpc_fd *));
+  h->del_count = 0;
+  h->del_capacity = 0;
+  h->dels = NULL;
+  for (i = 0; i < nfds; i++) {
+    h->fds[i] = fds[i];
+    GRPC_FD_REF(fds[i], "multipoller");
+  }
+}
+
+#endif /* !GPR_LINUX_MULTIPOLL_WITH_EPOLL */
+
+/*******************************************************************************
+ * pollset_multipoller_with_epoll_posix.c
+ */
+
+#ifdef GPR_LINUX_MULTIPOLL_WITH_EPOLL
+
+#include <errno.h>
+#include <poll.h>
+#include <string.h>
+#include <sys/epoll.h>
+#include <unistd.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/block_annotate.h"
+
+static void set_ready(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure **st) {
+  /* only one set_ready can be active at once (but there may be a racing
+     notify_on) */
+  gpr_mu_lock(&fd->mu);
+  set_ready_locked(exec_ctx, fd, st);
+  gpr_mu_unlock(&fd->mu);
+}
+
+static void fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+  set_ready(exec_ctx, fd, &fd->read_closure);
+}
+
+static void fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+  set_ready(exec_ctx, fd, &fd->write_closure);
+}
+
+struct epoll_fd_list {
+  int *epoll_fds;
+  size_t count;
+  size_t capacity;
+};
+
+static struct epoll_fd_list epoll_fd_global_list;
+static gpr_once init_epoll_fd_list_mu = GPR_ONCE_INIT;
+static gpr_mu epoll_fd_list_mu;
+
+static void init_mu(void) { gpr_mu_init(&epoll_fd_list_mu); }
+
+static void add_epoll_fd_to_global_list(int epoll_fd) {
+  gpr_once_init(&init_epoll_fd_list_mu, init_mu);
+
+  gpr_mu_lock(&epoll_fd_list_mu);
+  if (epoll_fd_global_list.count == epoll_fd_global_list.capacity) {
+    epoll_fd_global_list.capacity =
+        GPR_MAX((size_t)8, epoll_fd_global_list.capacity * 2);
+    epoll_fd_global_list.epoll_fds =
+        gpr_realloc(epoll_fd_global_list.epoll_fds,
+                    epoll_fd_global_list.capacity * sizeof(int));
+  }
+  epoll_fd_global_list.epoll_fds[epoll_fd_global_list.count++] = epoll_fd;
+  gpr_mu_unlock(&epoll_fd_list_mu);
+}
+
+static void remove_epoll_fd_from_global_list(int epoll_fd) {
+  gpr_mu_lock(&epoll_fd_list_mu);
+  GPR_ASSERT(epoll_fd_global_list.count > 0);
+  for (size_t i = 0; i < epoll_fd_global_list.count; i++) {
+    if (epoll_fd == epoll_fd_global_list.epoll_fds[i]) {
+      epoll_fd_global_list.epoll_fds[i] =
+          epoll_fd_global_list.epoll_fds[--(epoll_fd_global_list.count)];
+      break;
+    }
+  }
+  gpr_mu_unlock(&epoll_fd_list_mu);
+}
+
+static void remove_fd_from_all_epoll_sets(int fd) {
+  int err;
+  gpr_once_init(&init_epoll_fd_list_mu, init_mu);
+  gpr_mu_lock(&epoll_fd_list_mu);
+  if (epoll_fd_global_list.count == 0) {
+    gpr_mu_unlock(&epoll_fd_list_mu);
+    return;
+  }
+  for (size_t i = 0; i < epoll_fd_global_list.count; i++) {
+    err = epoll_ctl(epoll_fd_global_list.epoll_fds[i], EPOLL_CTL_DEL, fd, NULL);
+    if (err < 0 && errno != ENOENT) {
+      gpr_log(GPR_ERROR, "epoll_ctl del for %d failed: %s", fd,
+              strerror(errno));
+    }
+  }
+  gpr_mu_unlock(&epoll_fd_list_mu);
+}
+
+typedef struct {
+  grpc_pollset *pollset;
+  grpc_fd *fd;
+  grpc_closure closure;
+} delayed_add;
+
+typedef struct { int epoll_fd; } epoll_hdr;
+
+static void finally_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                           grpc_fd *fd) {
+  epoll_hdr *h = pollset->data.ptr;
+  struct epoll_event ev;
+  int err;
+  grpc_fd_watcher watcher;
+
+  /* We pretend to be polling whilst adding an fd to keep the fd from being
+     closed during the add. This may result in a spurious wakeup being assigned
+     to this pollset whilst adding, but that should be benign. */
+  GPR_ASSERT(fd_begin_poll(fd, pollset, NULL, 0, 0, &watcher) == 0);
+  if (watcher.fd != NULL) {
+    ev.events = (uint32_t)(EPOLLIN | EPOLLOUT | EPOLLET);
+    ev.data.ptr = fd;
+    err = epoll_ctl(h->epoll_fd, EPOLL_CTL_ADD, fd->fd, &ev);
+    if (err < 0) {
+      /* FDs may be added to a pollset multiple times, so EEXIST is normal. */
+      if (errno != EEXIST) {
+        gpr_log(GPR_ERROR, "epoll_ctl add for %d failed: %s", fd->fd,
+                strerror(errno));
+      }
+    }
+  }
+  fd_end_poll(exec_ctx, &watcher, 0, 0);
+}
+
+static void perform_delayed_add(grpc_exec_ctx *exec_ctx, void *arg,
+                                bool iomgr_status) {
+  delayed_add *da = arg;
+
+  if (!fd_is_orphaned(da->fd)) {
+    finally_add_fd(exec_ctx, da->pollset, da->fd);
+  }
+
+  gpr_mu_lock(&da->pollset->mu);
+  da->pollset->in_flight_cbs--;
+  if (da->pollset->shutting_down) {
+    /* We don't care about this pollset anymore. */
+    if (da->pollset->in_flight_cbs == 0 && !da->pollset->called_shutdown) {
+      da->pollset->called_shutdown = 1;
+      grpc_exec_ctx_enqueue(exec_ctx, da->pollset->shutdown_done, true, NULL);
+    }
+  }
+  gpr_mu_unlock(&da->pollset->mu);
+
+  GRPC_FD_UNREF(da->fd, "delayed_add");
+
+  gpr_free(da);
+}
+
+static void multipoll_with_epoll_pollset_add_fd(grpc_exec_ctx *exec_ctx,
+                                                grpc_pollset *pollset,
+                                                grpc_fd *fd,
+                                                int and_unlock_pollset) {
+  if (and_unlock_pollset) {
+    gpr_mu_unlock(&pollset->mu);
+    finally_add_fd(exec_ctx, pollset, fd);
+  } else {
+    delayed_add *da = gpr_malloc(sizeof(*da));
+    da->pollset = pollset;
+    da->fd = fd;
+    GRPC_FD_REF(fd, "delayed_add");
+    grpc_closure_init(&da->closure, perform_delayed_add, da);
+    pollset->in_flight_cbs++;
+    grpc_exec_ctx_enqueue(exec_ctx, &da->closure, true, NULL);
+  }
+}
+
+/* TODO(klempner): We probably want to turn this down a bit */
+#define GRPC_EPOLL_MAX_EVENTS 1000
+
+static void multipoll_with_epoll_pollset_maybe_work_and_unlock(
+    grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, grpc_pollset_worker *worker,
+    gpr_timespec deadline, gpr_timespec now) {
+  struct epoll_event ep_ev[GRPC_EPOLL_MAX_EVENTS];
+  int ep_rv;
+  int poll_rv;
+  epoll_hdr *h = pollset->data.ptr;
+  int timeout_ms;
+  struct pollfd pfds[2];
+
+  /* If you want to ignore epoll's ability to sanely handle parallel pollers,
+   * for a more apples-to-apples performance comparison with poll, add a
+   * if (pollset->counter != 0) { return 0; }
+   * here.
+   */
+
+  gpr_mu_unlock(&pollset->mu);
+
+  timeout_ms = poll_deadline_to_millis_timeout(deadline, now);
+
+  pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
+  pfds[0].events = POLLIN;
+  pfds[0].revents = 0;
+  pfds[1].fd = h->epoll_fd;
+  pfds[1].events = POLLIN;
+  pfds[1].revents = 0;
+
+  /* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
+     even going into the blocking annotation if possible */
+  GPR_TIMER_BEGIN("poll", 0);
+  GRPC_SCHEDULING_START_BLOCKING_REGION;
+  poll_rv = grpc_poll_function(pfds, 2, timeout_ms);
+  GRPC_SCHEDULING_END_BLOCKING_REGION;
+  GPR_TIMER_END("poll", 0);
+
+  if (poll_rv < 0) {
+    if (errno != EINTR) {
+      gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno));
+    }
+  } else if (poll_rv == 0) {
+    /* do nothing */
+  } else {
+    if (pfds[0].revents) {
+      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
+    }
+    if (pfds[1].revents) {
+      do {
+        /* The following epoll_wait never blocks; it has a timeout of 0 */
+        ep_rv = epoll_wait(h->epoll_fd, ep_ev, GRPC_EPOLL_MAX_EVENTS, 0);
+        if (ep_rv < 0) {
+          if (errno != EINTR) {
+            gpr_log(GPR_ERROR, "epoll_wait() failed: %s", strerror(errno));
+          }
+        } else {
+          int i;
+          for (i = 0; i < ep_rv; ++i) {
+            grpc_fd *fd = ep_ev[i].data.ptr;
+            /* TODO(klempner): We might want to consider making err and pri
+             * separate events */
+            int cancel = ep_ev[i].events & (EPOLLERR | EPOLLHUP);
+            int read_ev = ep_ev[i].events & (EPOLLIN | EPOLLPRI);
+            int write_ev = ep_ev[i].events & EPOLLOUT;
+            if (fd == NULL) {
+              grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
+            } else {
+              if (read_ev || cancel) {
+                fd_become_readable(exec_ctx, fd);
+              }
+              if (write_ev || cancel) {
+                fd_become_writable(exec_ctx, fd);
+              }
+            }
+          }
+        }
+      } while (ep_rv == GRPC_EPOLL_MAX_EVENTS);
+    }
+  }
+}
+
+static void multipoll_with_epoll_pollset_finish_shutdown(
+    grpc_pollset *pollset) {}
+
+static void multipoll_with_epoll_pollset_destroy(grpc_pollset *pollset) {
+  epoll_hdr *h = pollset->data.ptr;
+  close(h->epoll_fd);
+  remove_epoll_fd_from_global_list(h->epoll_fd);
+  gpr_free(h);
+}
+
+static const grpc_pollset_vtable multipoll_with_epoll_pollset = {
+    multipoll_with_epoll_pollset_add_fd,
+    multipoll_with_epoll_pollset_maybe_work_and_unlock,
+    multipoll_with_epoll_pollset_finish_shutdown,
+    multipoll_with_epoll_pollset_destroy};
+
+static void epoll_become_multipoller(grpc_exec_ctx *exec_ctx,
+                                     grpc_pollset *pollset, grpc_fd **fds,
+                                     size_t nfds) {
+  size_t i;
+  epoll_hdr *h = gpr_malloc(sizeof(epoll_hdr));
+  struct epoll_event ev;
+  int err;
+
+  pollset->vtable = &multipoll_with_epoll_pollset;
+  pollset->data.ptr = h;
+  h->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
+  if (h->epoll_fd < 0) {
+    /* TODO(klempner): Fall back to poll here, especially on ENOSYS */
+    gpr_log(GPR_ERROR, "epoll_create1 failed: %s", strerror(errno));
+    abort();
+  }
+  add_epoll_fd_to_global_list(h->epoll_fd);
+
+  ev.events = (uint32_t)(EPOLLIN | EPOLLET);
+  ev.data.ptr = NULL;
+  err = epoll_ctl(h->epoll_fd, EPOLL_CTL_ADD,
+                  GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd), &ev);
+  if (err < 0) {
+    gpr_log(GPR_ERROR, "epoll_ctl add for %d failed: %s",
+            GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd),
+            strerror(errno));
+  }
+
+  for (i = 0; i < nfds; i++) {
+    multipoll_with_epoll_pollset_add_fd(exec_ctx, pollset, fds[i], 0);
+  }
+}
+
+#else /* GPR_LINUX_MULTIPOLL_WITH_EPOLL */
+
+static void remove_fd_from_all_epoll_sets(int fd) {}
+
+#endif /* GPR_LINUX_MULTIPOLL_WITH_EPOLL */
+
+/*******************************************************************************
+ * pollset_set_posix.c
+ */
+
+static grpc_pollset_set *pollset_set_create(void) {
+  grpc_pollset_set *pollset_set = gpr_malloc(sizeof(*pollset_set));
+  memset(pollset_set, 0, sizeof(*pollset_set));
+  gpr_mu_init(&pollset_set->mu);
+  return pollset_set;
+}
+
+static void pollset_set_destroy(grpc_pollset_set *pollset_set) {
+  size_t i;
+  gpr_mu_destroy(&pollset_set->mu);
+  for (i = 0; i < pollset_set->fd_count; i++) {
+    GRPC_FD_UNREF(pollset_set->fds[i], "pollset_set");
+  }
+  gpr_free(pollset_set->pollsets);
+  gpr_free(pollset_set->pollset_sets);
+  gpr_free(pollset_set->fds);
+  gpr_free(pollset_set);
+}
+
+static void pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
+                                    grpc_pollset_set *pollset_set,
+                                    grpc_pollset *pollset) {
+  size_t i, j;
+  gpr_mu_lock(&pollset_set->mu);
+  if (pollset_set->pollset_count == pollset_set->pollset_capacity) {
+    pollset_set->pollset_capacity =
+        GPR_MAX(8, 2 * pollset_set->pollset_capacity);
+    pollset_set->pollsets =
+        gpr_realloc(pollset_set->pollsets, pollset_set->pollset_capacity *
+                                               sizeof(*pollset_set->pollsets));
+  }
+  pollset_set->pollsets[pollset_set->pollset_count++] = pollset;
+  for (i = 0, j = 0; i < pollset_set->fd_count; i++) {
+    if (fd_is_orphaned(pollset_set->fds[i])) {
+      GRPC_FD_UNREF(pollset_set->fds[i], "pollset_set");
+    } else {
+      pollset_add_fd(exec_ctx, pollset, pollset_set->fds[i]);
+      pollset_set->fds[j++] = pollset_set->fds[i];
+    }
+  }
+  pollset_set->fd_count = j;
+  gpr_mu_unlock(&pollset_set->mu);
+}
+
+static void pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
+                                    grpc_pollset_set *pollset_set,
+                                    grpc_pollset *pollset) {
+  size_t i;
+  gpr_mu_lock(&pollset_set->mu);
+  for (i = 0; i < pollset_set->pollset_count; i++) {
+    if (pollset_set->pollsets[i] == pollset) {
+      pollset_set->pollset_count--;
+      GPR_SWAP(grpc_pollset *, pollset_set->pollsets[i],
+               pollset_set->pollsets[pollset_set->pollset_count]);
+      break;
+    }
+  }
+  gpr_mu_unlock(&pollset_set->mu);
+}
+
+static void pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
+                                        grpc_pollset_set *bag,
+                                        grpc_pollset_set *item) {
+  size_t i, j;
+  gpr_mu_lock(&bag->mu);
+  if (bag->pollset_set_count == bag->pollset_set_capacity) {
+    bag->pollset_set_capacity = GPR_MAX(8, 2 * bag->pollset_set_capacity);
+    bag->pollset_sets =
+        gpr_realloc(bag->pollset_sets,
+                    bag->pollset_set_capacity * sizeof(*bag->pollset_sets));
+  }
+  bag->pollset_sets[bag->pollset_set_count++] = item;
+  for (i = 0, j = 0; i < bag->fd_count; i++) {
+    if (fd_is_orphaned(bag->fds[i])) {
+      GRPC_FD_UNREF(bag->fds[i], "pollset_set");
+    } else {
+      pollset_set_add_fd(exec_ctx, item, bag->fds[i]);
+      bag->fds[j++] = bag->fds[i];
+    }
+  }
+  bag->fd_count = j;
+  gpr_mu_unlock(&bag->mu);
+}
+
+static void pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
+                                        grpc_pollset_set *bag,
+                                        grpc_pollset_set *item) {
+  size_t i;
+  gpr_mu_lock(&bag->mu);
+  for (i = 0; i < bag->pollset_set_count; i++) {
+    if (bag->pollset_sets[i] == item) {
+      bag->pollset_set_count--;
+      GPR_SWAP(grpc_pollset_set *, bag->pollset_sets[i],
+               bag->pollset_sets[bag->pollset_set_count]);
+      break;
+    }
+  }
+  gpr_mu_unlock(&bag->mu);
+}
+
+static void pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
+                               grpc_pollset_set *pollset_set, grpc_fd *fd) {
+  size_t i;
+  gpr_mu_lock(&pollset_set->mu);
+  if (pollset_set->fd_count == pollset_set->fd_capacity) {
+    pollset_set->fd_capacity = GPR_MAX(8, 2 * pollset_set->fd_capacity);
+    pollset_set->fds = gpr_realloc(
+        pollset_set->fds, pollset_set->fd_capacity * sizeof(*pollset_set->fds));
+  }
+  GRPC_FD_REF(fd, "pollset_set");
+  pollset_set->fds[pollset_set->fd_count++] = fd;
+  for (i = 0; i < pollset_set->pollset_count; i++) {
+    pollset_add_fd(exec_ctx, pollset_set->pollsets[i], fd);
+  }
+  for (i = 0; i < pollset_set->pollset_set_count; i++) {
+    pollset_set_add_fd(exec_ctx, pollset_set->pollset_sets[i], fd);
+  }
+  gpr_mu_unlock(&pollset_set->mu);
+}
+
+static void pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
+                               grpc_pollset_set *pollset_set, grpc_fd *fd) {
+  size_t i;
+  gpr_mu_lock(&pollset_set->mu);
+  for (i = 0; i < pollset_set->fd_count; i++) {
+    if (pollset_set->fds[i] == fd) {
+      pollset_set->fd_count--;
+      GPR_SWAP(grpc_fd *, pollset_set->fds[i],
+               pollset_set->fds[pollset_set->fd_count]);
+      GRPC_FD_UNREF(fd, "pollset_set");
+      break;
+    }
+  }
+  for (i = 0; i < pollset_set->pollset_set_count; i++) {
+    pollset_set_del_fd(exec_ctx, pollset_set->pollset_sets[i], fd);
+  }
+  gpr_mu_unlock(&pollset_set->mu);
+}
+
+/*******************************************************************************
+ * event engine binding
+ */
+
+static void shutdown_engine(void) {
+  fd_global_shutdown();
+  pollset_global_shutdown();
+}
+
+static const grpc_event_engine_vtable vtable = {
+    .pollset_size = sizeof(grpc_pollset),
+
+    .fd_create = fd_create,
+    .fd_wrapped_fd = fd_wrapped_fd,
+    .fd_orphan = fd_orphan,
+    .fd_shutdown = fd_shutdown,
+    .fd_notify_on_read = fd_notify_on_read,
+    .fd_notify_on_write = fd_notify_on_write,
+
+    .pollset_init = pollset_init,
+    .pollset_shutdown = pollset_shutdown,
+    .pollset_reset = pollset_reset,
+    .pollset_destroy = pollset_destroy,
+    .pollset_work = pollset_work,
+    .pollset_kick = pollset_kick,
+    .pollset_add_fd = pollset_add_fd,
+
+    .pollset_set_create = pollset_set_create,
+    .pollset_set_destroy = pollset_set_destroy,
+    .pollset_set_add_pollset = pollset_set_add_pollset,
+    .pollset_set_del_pollset = pollset_set_del_pollset,
+    .pollset_set_add_pollset_set = pollset_set_add_pollset_set,
+    .pollset_set_del_pollset_set = pollset_set_del_pollset_set,
+    .pollset_set_add_fd = pollset_set_add_fd,
+    .pollset_set_del_fd = pollset_set_del_fd,
+
+    .kick_poller = kick_poller,
+
+    .shutdown_engine = shutdown_engine,
+};
+
+const grpc_event_engine_vtable *grpc_init_poll_and_epoll_posix(void) {
+#ifdef GPR_LINUX_MULTIPOLL_WITH_EPOLL
+  platform_become_multipoller = epoll_become_multipoller;
+#else
+  platform_become_multipoller = poll_become_multipoller;
+#endif
+  fd_global_init();
+  pollset_global_init();
+  return &vtable;
+}
+
+#endif
diff --git a/src/core/client_config/resolvers/dns_resolver.h b/src/core/lib/iomgr/ev_poll_and_epoll_posix.h
similarity index 81%
rename from src/core/client_config/resolvers/dns_resolver.h
rename to src/core/lib/iomgr/ev_poll_and_epoll_posix.h
index a3ef3161a63f6c6087525faaf4b391bee0877296..06d6dbf29dd79a1ca28cf1a5ccad75435befad34 100644
--- a/src/core/client_config/resolvers/dns_resolver.h
+++ b/src/core/lib/iomgr/ev_poll_and_epoll_posix.h
@@ -31,12 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_DNS_RESOLVER_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_DNS_RESOLVER_H
+#ifndef GRPC_CORE_LIB_IOMGR_EV_POLL_AND_EPOLL_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_EV_POLL_AND_EPOLL_POSIX_H
 
-#include "src/core/client_config/resolver_factory.h"
+#include "src/core/lib/iomgr/ev_posix.h"
 
-/** Create a dns resolver factory */
-grpc_resolver_factory *grpc_dns_resolver_factory_create(void);
+const grpc_event_engine_vtable *grpc_init_poll_and_epoll_posix(void);
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_DNS_RESOLVER_H */
+#endif /* GRPC_CORE_LIB_IOMGR_EV_POLL_AND_EPOLL_POSIX_H */
diff --git a/src/core/lib/iomgr/ev_posix.c b/src/core/lib/iomgr/ev_posix.c
new file mode 100644
index 0000000000000000000000000000000000000000..0eb95a2e091a02e38e9d9ffa3a7ffb655416482b
--- /dev/null
+++ b/src/core/lib/iomgr/ev_posix.c
@@ -0,0 +1,165 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#ifdef GPR_POSIX_SOCKET
+
+#include "src/core/lib/iomgr/ev_posix.h"
+
+#include <grpc/support/log.h>
+
+#include "src/core/lib/iomgr/ev_poll_and_epoll_posix.h"
+
+static const grpc_event_engine_vtable *g_event_engine;
+
+grpc_poll_function_type grpc_poll_function = poll;
+grpc_wakeup_fd grpc_global_wakeup_fd;
+
+void grpc_event_engine_init(void) {
+  if ((g_event_engine = grpc_init_poll_and_epoll_posix())) {
+    return;
+  }
+  gpr_log(GPR_ERROR, "No event engine could be initialized");
+  abort();
+}
+
+void grpc_event_engine_shutdown(void) { g_event_engine->shutdown_engine(); }
+
+grpc_fd *grpc_fd_create(int fd, const char *name) {
+  return g_event_engine->fd_create(fd, name);
+}
+
+int grpc_fd_wrapped_fd(grpc_fd *fd) {
+  return g_event_engine->fd_wrapped_fd(fd);
+}
+
+void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done,
+                    int *release_fd, const char *reason) {
+  g_event_engine->fd_orphan(exec_ctx, fd, on_done, release_fd, reason);
+}
+
+void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+  g_event_engine->fd_shutdown(exec_ctx, fd);
+}
+
+void grpc_fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                            grpc_closure *closure) {
+  g_event_engine->fd_notify_on_read(exec_ctx, fd, closure);
+}
+
+void grpc_fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                             grpc_closure *closure) {
+  g_event_engine->fd_notify_on_write(exec_ctx, fd, closure);
+}
+
+size_t grpc_pollset_size(void) { return g_event_engine->pollset_size; }
+
+void grpc_pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
+  g_event_engine->pollset_init(pollset, mu);
+}
+
+void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                           grpc_closure *closure) {
+  g_event_engine->pollset_shutdown(exec_ctx, pollset, closure);
+}
+
+void grpc_pollset_reset(grpc_pollset *pollset) {
+  g_event_engine->pollset_reset(pollset);
+}
+
+void grpc_pollset_destroy(grpc_pollset *pollset) {
+  g_event_engine->pollset_destroy(pollset);
+}
+
+void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                       grpc_pollset_worker **worker, gpr_timespec now,
+                       gpr_timespec deadline) {
+  g_event_engine->pollset_work(exec_ctx, pollset, worker, now, deadline);
+}
+
+void grpc_pollset_kick(grpc_pollset *pollset,
+                       grpc_pollset_worker *specific_worker) {
+  g_event_engine->pollset_kick(pollset, specific_worker);
+}
+
+void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                         struct grpc_fd *fd) {
+  g_event_engine->pollset_add_fd(exec_ctx, pollset, fd);
+}
+
+grpc_pollset_set *grpc_pollset_set_create(void) {
+  return g_event_engine->pollset_set_create();
+}
+
+void grpc_pollset_set_destroy(grpc_pollset_set *pollset_set) {
+  g_event_engine->pollset_set_destroy(pollset_set);
+}
+
+void grpc_pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
+                                  grpc_pollset_set *pollset_set,
+                                  grpc_pollset *pollset) {
+  g_event_engine->pollset_set_add_pollset(exec_ctx, pollset_set, pollset);
+}
+
+void grpc_pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
+                                  grpc_pollset_set *pollset_set,
+                                  grpc_pollset *pollset) {
+  g_event_engine->pollset_set_del_pollset(exec_ctx, pollset_set, pollset);
+}
+
+void grpc_pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
+                                      grpc_pollset_set *bag,
+                                      grpc_pollset_set *item) {
+  g_event_engine->pollset_set_add_pollset_set(exec_ctx, bag, item);
+}
+
+void grpc_pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
+                                      grpc_pollset_set *bag,
+                                      grpc_pollset_set *item) {
+  g_event_engine->pollset_set_del_pollset_set(exec_ctx, bag, item);
+}
+
+void grpc_pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd) {
+  g_event_engine->pollset_set_add_fd(exec_ctx, pollset_set, fd);
+}
+
+void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd) {
+  g_event_engine->pollset_set_del_fd(exec_ctx, pollset_set, fd);
+}
+
+void grpc_kick_poller(void) { g_event_engine->kick_poller(); }
+
+#endif  // GPR_POSIX_SOCKET
diff --git a/src/core/lib/iomgr/ev_posix.h b/src/core/lib/iomgr/ev_posix.h
new file mode 100644
index 0000000000000000000000000000000000000000..1fa9f5ef2d69f2c71706ab0b51987d3d05203d24
--- /dev/null
+++ b/src/core/lib/iomgr/ev_posix.h
@@ -0,0 +1,158 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_EV_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_EV_POSIX_H
+
+#include <poll.h>
+
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/iomgr/pollset_set.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+
+typedef struct grpc_fd grpc_fd;
+
+typedef struct grpc_event_engine_vtable {
+  size_t pollset_size;
+
+  grpc_fd *(*fd_create)(int fd, const char *name);
+  int (*fd_wrapped_fd)(grpc_fd *fd);
+  void (*fd_orphan)(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done,
+                    int *release_fd, const char *reason);
+  void (*fd_shutdown)(grpc_exec_ctx *exec_ctx, grpc_fd *fd);
+  void (*fd_notify_on_read)(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                            grpc_closure *closure);
+  void (*fd_notify_on_write)(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                             grpc_closure *closure);
+
+  void (*pollset_init)(grpc_pollset *pollset, gpr_mu **mu);
+  void (*pollset_shutdown)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                           grpc_closure *closure);
+  void (*pollset_reset)(grpc_pollset *pollset);
+  void (*pollset_destroy)(grpc_pollset *pollset);
+  void (*pollset_work)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                       grpc_pollset_worker **worker, gpr_timespec now,
+                       gpr_timespec deadline);
+  void (*pollset_kick)(grpc_pollset *pollset,
+                       grpc_pollset_worker *specific_worker);
+  void (*pollset_add_fd)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                         struct grpc_fd *fd);
+
+  grpc_pollset_set *(*pollset_set_create)(void);
+  void (*pollset_set_destroy)(grpc_pollset_set *pollset_set);
+  void (*pollset_set_add_pollset)(grpc_exec_ctx *exec_ctx,
+                                  grpc_pollset_set *pollset_set,
+                                  grpc_pollset *pollset);
+  void (*pollset_set_del_pollset)(grpc_exec_ctx *exec_ctx,
+                                  grpc_pollset_set *pollset_set,
+                                  grpc_pollset *pollset);
+  void (*pollset_set_add_pollset_set)(grpc_exec_ctx *exec_ctx,
+                                      grpc_pollset_set *bag,
+                                      grpc_pollset_set *item);
+  void (*pollset_set_del_pollset_set)(grpc_exec_ctx *exec_ctx,
+                                      grpc_pollset_set *bag,
+                                      grpc_pollset_set *item);
+  void (*pollset_set_add_fd)(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd);
+  void (*pollset_set_del_fd)(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd);
+
+  void (*kick_poller)(void);
+
+  void (*shutdown_engine)(void);
+} grpc_event_engine_vtable;
+
+void grpc_event_engine_init(void);
+void grpc_event_engine_shutdown(void);
+
+/* Create a wrapped file descriptor.
+   Requires fd is a non-blocking file descriptor.
+   This takes ownership of closing fd. */
+grpc_fd *grpc_fd_create(int fd, const char *name);
+
+/* Return the wrapped fd, or -1 if it has been released or closed. */
+int grpc_fd_wrapped_fd(grpc_fd *fd);
+
+/* Releases fd to be asynchronously destroyed.
+   on_done is called when the underlying file descriptor is definitely close()d.
+   If on_done is NULL, no callback will be made.
+   If release_fd is not NULL, it's set to fd and fd will not be closed.
+   Requires: *fd initialized; no outstanding notify_on_read or
+   notify_on_write.
+   MUST NOT be called with a pollset lock taken */
+void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done,
+                    int *release_fd, const char *reason);
+
+/* Cause any current callbacks to error out with GRPC_CALLBACK_CANCELLED. */
+void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd);
+
+/* Register read interest, causing read_cb to be called once when fd becomes
+   readable, on deadline specified by deadline, or on shutdown triggered by
+   grpc_fd_shutdown.
+   read_cb will be called with read_cb_arg when *fd becomes readable.
+   read_cb is Called with status of GRPC_CALLBACK_SUCCESS if readable,
+   GRPC_CALLBACK_TIMED_OUT if the call timed out,
+   and CANCELLED if the call was cancelled.
+
+   Requires:This method must not be called before the read_cb for any previous
+   call runs. Edge triggered events are used whenever they are supported by the
+   underlying platform. This means that users must drain fd in read_cb before
+   calling notify_on_read again. Users are also expected to handle spurious
+   events, i.e read_cb is called while nothing can be readable from fd  */
+void grpc_fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                            grpc_closure *closure);
+
+/* Exactly the same semantics as above, except based on writable events.  */
+void grpc_fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                             grpc_closure *closure);
+
+/* pollset_posix functions */
+
+/* Add an fd to a pollset */
+void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+                         struct grpc_fd *fd);
+
+/* pollset_set_posix functions */
+
+void grpc_pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd);
+void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
+                             grpc_pollset_set *pollset_set, grpc_fd *fd);
+
+/* override to allow tests to hook poll() usage */
+typedef int (*grpc_poll_function_type)(struct pollfd *, nfds_t, int);
+extern grpc_poll_function_type grpc_poll_function;
+extern grpc_wakeup_fd grpc_global_wakeup_fd;
+
+#endif /* GRPC_CORE_LIB_IOMGR_EV_POSIX_H */
diff --git a/src/core/iomgr/exec_ctx.c b/src/core/lib/iomgr/exec_ctx.c
similarity index 97%
rename from src/core/iomgr/exec_ctx.c
rename to src/core/lib/iomgr/exec_ctx.c
index 893fe4515c7b8419c91c7daeb22906458ecfbb14..2146c7dd1f71f2b74bd884abe5054e4deb5f7fb5 100644
--- a/src/core/iomgr/exec_ctx.c
+++ b/src/core/lib/iomgr/exec_ctx.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,13 +31,13 @@
  *
  */
 
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 
 #ifndef GRPC_EXECUTION_CONTEXT_SANITIZER
 bool grpc_exec_ctx_flush(grpc_exec_ctx *exec_ctx) {
diff --git a/src/core/iomgr/exec_ctx.h b/src/core/lib/iomgr/exec_ctx.h
similarity index 94%
rename from src/core/iomgr/exec_ctx.h
rename to src/core/lib/iomgr/exec_ctx.h
index 1b627a5dcf8c50ee494f04938e220880e8692982..976cc4034758284be8924b7b42e1d7b632ed595c 100644
--- a/src/core/iomgr/exec_ctx.h
+++ b/src/core/lib/iomgr/exec_ctx.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_EXEC_CTX_H
-#define GRPC_INTERNAL_CORE_IOMGR_EXEC_CTX_H
+#ifndef GRPC_CORE_LIB_IOMGR_EXEC_CTX_H
+#define GRPC_CORE_LIB_IOMGR_EXEC_CTX_H
 
-#include "src/core/iomgr/closure.h"
+#include "src/core/lib/iomgr/closure.h"
 
 /* #define GRPC_EXECUTION_CONTEXT_SANITIZER 1 */
 
@@ -92,7 +92,9 @@ void grpc_exec_ctx_enqueue_list(grpc_exec_ctx *exec_ctx,
                                 grpc_closure_list *list,
                                 grpc_workqueue *offload_target_or_null);
 
+void grpc_exec_ctx_global_init(void);
+
 void grpc_exec_ctx_global_init(void);
 void grpc_exec_ctx_global_shutdown(void);
 
-#endif
+#endif /* GRPC_CORE_LIB_IOMGR_EXEC_CTX_H */
diff --git a/src/core/iomgr/executor.c b/src/core/lib/iomgr/executor.c
similarity index 97%
rename from src/core/iomgr/executor.c
rename to src/core/lib/iomgr/executor.c
index f22d8f30acf5c5bd9809dcb611ab944fd90ffc85..36e22e4271bbfb562bcbb8d44a0d8db93a0c6d21 100644
--- a/src/core/iomgr/executor.c
+++ b/src/core/lib/iomgr/executor.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/executor.h"
+#include "src/core/lib/iomgr/executor.h"
 
 #include <string.h>
 
@@ -39,7 +39,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 typedef struct grpc_executor_data {
   int busy;          /**< is the thread currently running? */
diff --git a/src/core/iomgr/executor.h b/src/core/lib/iomgr/executor.h
similarity index 90%
rename from src/core/iomgr/executor.h
rename to src/core/lib/iomgr/executor.h
index aac057ddf5fb9699826261c2ad951a5c9c0b7861..b7e6f51aa50ba7fcd1ee0741b378aa48f0e6bf1f 100644
--- a/src/core/iomgr/executor.h
+++ b/src/core/lib/iomgr/executor.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_EXECUTOR_H
-#define GRPC_INTERNAL_CORE_IOMGR_EXECUTOR_H
+#ifndef GRPC_CORE_LIB_IOMGR_EXECUTOR_H
+#define GRPC_CORE_LIB_IOMGR_EXECUTOR_H
 
-#include "src/core/iomgr/closure.h"
+#include "src/core/lib/iomgr/closure.h"
 
 /** Initialize the global executor.
  *
@@ -50,4 +50,4 @@ void grpc_executor_enqueue(grpc_closure *closure, bool success);
 /** Shutdown the executor, running all pending work as part of the call */
 void grpc_executor_shutdown();
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_EXECUTOR_H */
+#endif /* GRPC_CORE_LIB_IOMGR_EXECUTOR_H */
diff --git a/src/core/iomgr/iocp_windows.c b/src/core/lib/iomgr/iocp_windows.c
similarity index 97%
rename from src/core/iomgr/iocp_windows.c
rename to src/core/lib/iomgr/iocp_windows.c
index fa87e5246b07b4d6bd4c5327aa9000a70e7902c9..d46558ab1b1c7255278337ba3427ec491d1c031f 100644
--- a/src/core/iomgr/iocp_windows.c
+++ b/src/core/lib/iomgr/iocp_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,15 +37,15 @@
 
 #include <winsock2.h>
 
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/log_win32.h>
-#include <grpc/support/alloc.h>
 #include <grpc/support/thd.h>
 
-#include "src/core/iomgr/timer.h"
-#include "src/core/iomgr/iocp_windows.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/iocp_windows.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/timer.h"
 
 static ULONG g_iocp_kick_token;
 static OVERLAPPED g_iocp_custom_overlap;
diff --git a/src/core/iomgr/iocp_windows.h b/src/core/lib/iomgr/iocp_windows.h
similarity index 91%
rename from src/core/iomgr/iocp_windows.h
rename to src/core/lib/iomgr/iocp_windows.h
index 8b2b1aeb5c2a950c0e440a19f19040257cc78a3c..ae210fa7d7017d1bb0360527097d9e1ede4ec198 100644
--- a/src/core/iomgr/iocp_windows.h
+++ b/src/core/lib/iomgr/iocp_windows.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_IOCP_WINDOWS_H
-#define GRPC_INTERNAL_CORE_IOMGR_IOCP_WINDOWS_H
+#ifndef GRPC_CORE_LIB_IOMGR_IOCP_WINDOWS_H
+#define GRPC_CORE_LIB_IOMGR_IOCP_WINDOWS_H
 
 #include <grpc/support/sync.h>
 
-#include "src/core/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/socket_windows.h"
 
 typedef enum {
   GRPC_IOCP_WORK_WORK,
@@ -60,4 +60,4 @@ void grpc_socket_notify_on_read(grpc_exec_ctx *exec_ctx,
                                 grpc_winsocket *winsocket,
                                 grpc_closure *closure);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_IOCP_WINDOWS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_IOCP_WINDOWS_H */
diff --git a/src/core/iomgr/iomgr.c b/src/core/lib/iomgr/iomgr.c
similarity index 94%
rename from src/core/iomgr/iomgr.c
rename to src/core/lib/iomgr/iomgr.c
index 3ab4430668e1ab86c6439d1986b1dcf12a02989a..146663984d624e738cfb32fba6df5d400d82c1ad 100644
--- a/src/core/iomgr/iomgr.c
+++ b/src/core/lib/iomgr/iomgr.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/iomgr.h"
 
 #include <stdlib.h>
 #include <string.h>
@@ -43,11 +43,11 @@
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/iomgr/exec_ctx.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/timer.h"
-#include "src/core/support/env.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
 
 static gpr_mu g_mu;
 static gpr_cv g_rcv;
@@ -63,7 +63,6 @@ void grpc_iomgr_init(void) {
   g_root_object.next = g_root_object.prev = &g_root_object;
   g_root_object.name = "root";
   grpc_iomgr_platform_init();
-  grpc_pollset_global_init();
 }
 
 static size_t count_objects(void) {
@@ -138,7 +137,6 @@ void grpc_iomgr_shutdown(void) {
   gpr_mu_lock(&g_mu);
   gpr_mu_unlock(&g_mu);
 
-  grpc_pollset_global_shutdown();
   grpc_iomgr_platform_shutdown();
   grpc_exec_ctx_global_shutdown();
   gpr_mu_destroy(&g_mu);
diff --git a/src/core/iomgr/iomgr.h b/src/core/lib/iomgr/iomgr.h
similarity index 93%
rename from src/core/iomgr/iomgr.h
rename to src/core/lib/iomgr/iomgr.h
index c9ea84c6050b97bbb8eb60a6011ded7280dcbe65..6c82de78acffd5e3bc2ba849be38220a2fc53d2b 100644
--- a/src/core/iomgr/iomgr.h
+++ b/src/core/lib/iomgr/iomgr.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_IOMGR_H
-#define GRPC_INTERNAL_CORE_IOMGR_IOMGR_H
+#ifndef GRPC_CORE_LIB_IOMGR_IOMGR_H
+#define GRPC_CORE_LIB_IOMGR_IOMGR_H
 
 /** Initializes the iomgr. */
 void grpc_iomgr_init(void);
@@ -40,4 +40,4 @@ void grpc_iomgr_init(void);
 /** Signals the intention to shutdown the iomgr. */
 void grpc_iomgr_shutdown(void);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_IOMGR_H */
+#endif /* GRPC_CORE_LIB_IOMGR_IOMGR_H */
diff --git a/src/core/iomgr/iomgr_internal.h b/src/core/lib/iomgr/iomgr_internal.h
similarity index 86%
rename from src/core/iomgr/iomgr_internal.h
rename to src/core/lib/iomgr/iomgr_internal.h
index ac2c46ebe6230df3242f4a8a3cb04ba7b3cf7dbf..805be1f1e46bfdfa4aba7cca9e5a02072a5ffd30 100644
--- a/src/core/iomgr/iomgr_internal.h
+++ b/src/core/lib/iomgr/iomgr_internal.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,13 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_IOMGR_INTERNAL_H
-#define GRPC_INTERNAL_CORE_IOMGR_IOMGR_INTERNAL_H
+#ifndef GRPC_CORE_LIB_IOMGR_IOMGR_INTERNAL_H
+#define GRPC_CORE_LIB_IOMGR_IOMGR_INTERNAL_H
 
 #include <stdbool.h>
 
-#include "src/core/iomgr/iomgr.h"
-#include <grpc/support/sync.h>
+#include "src/core/lib/iomgr/iomgr.h"
 
 typedef struct grpc_iomgr_object {
   char *name;
@@ -45,9 +44,6 @@ typedef struct grpc_iomgr_object {
   struct grpc_iomgr_object *prev;
 } grpc_iomgr_object;
 
-void grpc_pollset_global_init(void);
-void grpc_pollset_global_shutdown(void);
-
 void grpc_iomgr_register_object(grpc_iomgr_object *obj, const char *name);
 void grpc_iomgr_unregister_object(grpc_iomgr_object *obj);
 
@@ -59,4 +55,4 @@ void grpc_iomgr_platform_shutdown(void);
 
 bool grpc_iomgr_abort_on_leaks(void);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_IOMGR_INTERNAL_H */
+#endif /* GRPC_CORE_LIB_IOMGR_IOMGR_INTERNAL_H */
diff --git a/src/core/iomgr/iomgr_posix.c b/src/core/lib/iomgr/iomgr_posix.c
similarity index 87%
rename from src/core/iomgr/iomgr_posix.c
rename to src/core/lib/iomgr/iomgr_posix.c
index fecb7b9760aacd280a5c1c583d7e964be582d42d..016c501f754fe4b9b23d4a39084ab14517e51148 100644
--- a/src/core/iomgr/iomgr_posix.c
+++ b/src/core/lib/iomgr/iomgr_posix.c
@@ -35,18 +35,18 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/iomgr_posix.h"
-#include "src/core/debug/trace.h"
-#include "src/core/iomgr/fd_posix.h"
-#include "src/core/iomgr/tcp_posix.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr_posix.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
 
 void grpc_iomgr_platform_init(void) {
-  grpc_fd_global_init();
+  grpc_event_engine_init();
   grpc_register_tracer("tcp", &grpc_tcp_trace);
 }
 
 void grpc_iomgr_platform_flush(void) {}
 
-void grpc_iomgr_platform_shutdown(void) { grpc_fd_global_shutdown(); }
+void grpc_iomgr_platform_shutdown(void) { grpc_event_engine_shutdown(); }
 
 #endif /* GRPC_POSIX_SOCKET */
diff --git a/src/core/iomgr/iomgr_posix.h b/src/core/lib/iomgr/iomgr_posix.h
similarity index 89%
rename from src/core/iomgr/iomgr_posix.h
rename to src/core/lib/iomgr/iomgr_posix.h
index 068a5c6d7cf17a43f50595e25094e91f2bcd85ee..d5eade962a0764975c9bf5d30d38d59eb3a58c2c 100644
--- a/src/core/iomgr/iomgr_posix.h
+++ b/src/core/lib/iomgr/iomgr_posix.h
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_IOMGR_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_IOMGR_POSIX_H
+#ifndef GRPC_CORE_LIB_IOMGR_IOMGR_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_IOMGR_POSIX_H
 
-#include "src/core/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_IOMGR_POSIX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_IOMGR_POSIX_H */
diff --git a/src/core/iomgr/iomgr_windows.c b/src/core/lib/iomgr/iomgr_windows.c
similarity index 89%
rename from src/core/iomgr/iomgr_windows.c
rename to src/core/lib/iomgr/iomgr_windows.c
index 14775516bb1d6c1be0c248fc4c8331e77201de76..398517fc7595f5e3fe1b673b53ed6016baa1c20d 100644
--- a/src/core/iomgr/iomgr_windows.c
+++ b/src/core/lib/iomgr/iomgr_windows.c
@@ -35,13 +35,14 @@
 
 #ifdef GPR_WINSOCK_SOCKET
 
-#include "src/core/iomgr/sockaddr_win32.h"
+#include "src/core/lib/iomgr/sockaddr_win32.h"
 
 #include <grpc/support/log.h>
 
-#include "src/core/iomgr/socket_windows.h"
-#include "src/core/iomgr/iocp_windows.h"
-#include "src/core/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/iocp_windows.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/pollset_windows.h"
+#include "src/core/lib/iomgr/socket_windows.h"
 
 /* Windows' io manager is going to be fully designed using IO completion
    ports. All of what we're doing here is basically make sure that
@@ -61,11 +62,13 @@ static void winsock_shutdown(void) {
 void grpc_iomgr_platform_init(void) {
   winsock_init();
   grpc_iocp_init();
+  grpc_pollset_global_init();
 }
 
 void grpc_iomgr_platform_flush(void) { grpc_iocp_flush(); }
 
 void grpc_iomgr_platform_shutdown(void) {
+  grpc_pollset_global_shutdown();
   grpc_iocp_shutdown();
   winsock_shutdown();
 }
diff --git a/src/core/iomgr/pollset.h b/src/core/lib/iomgr/pollset.h
similarity index 95%
rename from src/core/iomgr/pollset.h
rename to src/core/lib/iomgr/pollset.h
index ee1debfb719bc098ed2074b9825ca554108203cb..c40a474877850cc262418605952b4bae76786fa6 100644
--- a/src/core/iomgr/pollset.h
+++ b/src/core/lib/iomgr/pollset.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_POLLSET_H
-#define GRPC_INTERNAL_CORE_IOMGR_POLLSET_H
+#ifndef GRPC_CORE_LIB_IOMGR_POLLSET_H
+#define GRPC_CORE_LIB_IOMGR_POLLSET_H
 
 #include <grpc/support/port_platform.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 #define GRPC_POLLSET_KICK_BROADCAST ((grpc_pollset_worker *)1)
 
@@ -91,4 +91,4 @@ void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
 void grpc_pollset_kick(grpc_pollset *pollset,
                        grpc_pollset_worker *specific_worker);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_POLLSET_H */
+#endif /* GRPC_CORE_LIB_IOMGR_POLLSET_H */
diff --git a/src/core/iomgr/pollset_set.h b/src/core/lib/iomgr/pollset_set.h
similarity index 92%
rename from src/core/iomgr/pollset_set.h
rename to src/core/lib/iomgr/pollset_set.h
index dddcd8313f220a63ba0c934b69f2fd53b1026e33..34bb728c410983b856878dc84cd7db2cc6967d3a 100644
--- a/src/core/iomgr/pollset_set.h
+++ b/src/core/lib/iomgr/pollset_set.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_POLLSET_SET_H
-#define GRPC_INTERNAL_CORE_IOMGR_POLLSET_SET_H
+#ifndef GRPC_CORE_LIB_IOMGR_POLLSET_SET_H
+#define GRPC_CORE_LIB_IOMGR_POLLSET_SET_H
 
-#include "src/core/iomgr/pollset.h"
+#include "src/core/lib/iomgr/pollset.h"
 
 /* A grpc_pollset_set is a set of pollsets that are interested in an
    action. Adding a pollset to a pollset_set automatically adds any
@@ -58,4 +58,4 @@ void grpc_pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
                                       grpc_pollset_set *bag,
                                       grpc_pollset_set *item);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_POLLSET_H */
+#endif /* GRPC_CORE_LIB_IOMGR_POLLSET_SET_H */
diff --git a/src/core/iomgr/pollset_set_windows.c b/src/core/lib/iomgr/pollset_set_windows.c
similarity index 94%
rename from src/core/iomgr/pollset_set_windows.c
rename to src/core/lib/iomgr/pollset_set_windows.c
index 3b8eca28e61f75e09fb26ab73d37b04e083beb7f..89f60b92fb83b2ca221cfa25c4631f3a9a9fd3f4 100644
--- a/src/core/iomgr/pollset_set_windows.c
+++ b/src/core/lib/iomgr/pollset_set_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,9 +35,9 @@
 
 #ifdef GPR_WINSOCK_SOCKET
 
-#include "src/core/iomgr/pollset_set_windows.h"
+#include "src/core/lib/iomgr/pollset_set_windows.h"
 
-grpc_pollset_set* grpc_pollset_set_create(pollset_set) { return NULL; }
+grpc_pollset_set* grpc_pollset_set_create(void) { return NULL; }
 
 void grpc_pollset_set_destroy(grpc_pollset_set* pollset_set) {}
 
diff --git a/src/core/iomgr/pollset_set_windows.h b/src/core/lib/iomgr/pollset_set_windows.h
similarity index 86%
rename from src/core/iomgr/pollset_set_windows.h
rename to src/core/lib/iomgr/pollset_set_windows.h
index 9661cd2c3987223efbbe44f0f5a0ff2abc4425c9..0356749b150386701bb4656e02f4a35b6ce38282 100644
--- a/src/core/iomgr/pollset_set_windows.h
+++ b/src/core/lib/iomgr/pollset_set_windows.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_POLLSET_SET_WINDOWS_H
-#define GRPC_INTERNAL_CORE_IOMGR_POLLSET_SET_WINDOWS_H
+#ifndef GRPC_CORE_LIB_IOMGR_POLLSET_SET_WINDOWS_H
+#define GRPC_CORE_LIB_IOMGR_POLLSET_SET_WINDOWS_H
 
-#include "src/core/iomgr/pollset_set.h"
+#include "src/core/lib/iomgr/pollset_set.h"
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_POLLSET_WINDOWS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_POLLSET_SET_WINDOWS_H */
diff --git a/src/core/iomgr/pollset_windows.c b/src/core/lib/iomgr/pollset_windows.c
similarity index 96%
rename from src/core/iomgr/pollset_windows.c
rename to src/core/lib/iomgr/pollset_windows.c
index c7f30f435fab7ed5bb42b893f885a018b87bf09d..bff5c586f8596704def8629ccc1dc19e009f8bb3 100644
--- a/src/core/iomgr/pollset_windows.c
+++ b/src/core/lib/iomgr/pollset_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,16 +38,16 @@
 #include <grpc/support/log.h>
 #include <grpc/support/thd.h>
 
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/iocp_windows.h"
-#include "src/core/iomgr/pollset.h"
-#include "src/core/iomgr/pollset_windows.h"
+#include "src/core/lib/iomgr/iocp_windows.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/iomgr/pollset_windows.h"
 
 gpr_mu grpc_polling_mu;
 static grpc_pollset_worker *g_active_poller;
 static grpc_pollset_worker g_global_root_worker;
 
-void grpc_pollset_global_init() {
+void grpc_pollset_global_init(void) {
   gpr_mu_init(&grpc_polling_mu);
   g_active_poller = NULL;
   g_global_root_worker.links[GRPC_POLLSET_WORKER_LINK_GLOBAL].next =
@@ -55,7 +55,7 @@ void grpc_pollset_global_init() {
           &g_global_root_worker;
 }
 
-void grpc_pollset_global_shutdown() { gpr_mu_destroy(&grpc_polling_mu); }
+void grpc_pollset_global_shutdown(void) { gpr_mu_destroy(&grpc_polling_mu); }
 
 static void remove_worker(grpc_pollset_worker *worker,
                           grpc_pollset_worker_link_type type) {
diff --git a/src/core/iomgr/pollset_windows.h b/src/core/lib/iomgr/pollset_windows.h
similarity index 89%
rename from src/core/iomgr/pollset_windows.h
rename to src/core/lib/iomgr/pollset_windows.h
index dc0b7a4104bd8ada3c4d0301044465d1e3e204fc..2642013afc8fa04facd3e6c6a2b97a686ed10d91 100644
--- a/src/core/iomgr/pollset_windows.h
+++ b/src/core/lib/iomgr/pollset_windows.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_POLLSET_WINDOWS_H
-#define GRPC_INTERNAL_CORE_IOMGR_POLLSET_WINDOWS_H
+#ifndef GRPC_CORE_LIB_IOMGR_POLLSET_WINDOWS_H
+#define GRPC_CORE_LIB_IOMGR_POLLSET_WINDOWS_H
 
 #include <grpc/support/sync.h>
 
-#include "src/core/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/socket_windows.h"
 
 /* There isn't really any such thing as a pollset under Windows, due to the
    nature of the IO completion ports. A Windows "pollset" is merely a mutex
@@ -72,4 +72,7 @@ struct grpc_pollset {
   grpc_closure *on_shutdown;
 };
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_POLLSET_WINDOWS_H */
+void grpc_pollset_global_init(void);
+void grpc_pollset_global_shutdown(void);
+
+#endif /* GRPC_CORE_LIB_IOMGR_POLLSET_WINDOWS_H */
diff --git a/src/core/iomgr/resolve_address.h b/src/core/lib/iomgr/resolve_address.h
similarity index 85%
rename from src/core/iomgr/resolve_address.h
rename to src/core/lib/iomgr/resolve_address.h
index b059630457656bc5676335e7621c2591dcc8e8fc..ef198fe0f664667a96c6afe2c92c12c5d35481d0 100644
--- a/src/core/iomgr/resolve_address.h
+++ b/src/core/lib/iomgr/resolve_address.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_RESOLVE_ADDRESS_H
-#define GRPC_INTERNAL_CORE_IOMGR_RESOLVE_ADDRESS_H
+#ifndef GRPC_CORE_LIB_IOMGR_RESOLVE_ADDRESS_H
+#define GRPC_CORE_LIB_IOMGR_RESOLVE_ADDRESS_H
 
 #include <stddef.h>
-#include "src/core/iomgr/exec_ctx.h"
-#include "src/core/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/iomgr.h"
 
 #define GRPC_MAX_SOCKADDR_SIZE 128
 
@@ -59,8 +59,9 @@ typedef void (*grpc_resolve_cb)(grpc_exec_ctx *exec_ctx, void *arg,
 /* Asynchronously resolve addr. Use default_port if a port isn't designated
    in addr, otherwise use the port in addr. */
 /* TODO(ctiller): add a timeout here */
-void grpc_resolve_address(const char *addr, const char *default_port,
-                          grpc_resolve_cb cb, void *arg);
+extern void (*grpc_resolve_address)(grpc_exec_ctx *exec_ctx, const char *addr,
+                                    const char *default_port,
+                                    grpc_resolve_cb cb, void *arg);
 /* Destroy resolved addresses */
 void grpc_resolved_addresses_destroy(grpc_resolved_addresses *addresses);
 
@@ -69,4 +70,4 @@ void grpc_resolved_addresses_destroy(grpc_resolved_addresses *addresses);
 extern grpc_resolved_addresses *(*grpc_blocking_resolve_address)(
     const char *name, const char *default_port);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_RESOLVE_ADDRESS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_RESOLVE_ADDRESS_H */
diff --git a/src/core/iomgr/resolve_address_posix.c b/src/core/lib/iomgr/resolve_address_posix.c
similarity index 85%
rename from src/core/iomgr/resolve_address_posix.c
rename to src/core/lib/iomgr/resolve_address_posix.c
index a6c9893f2310bd1728e1b468646500532efec5fa..cae91eec2097f9944c80197109f32e1d0f84b84c 100644
--- a/src/core/iomgr/resolve_address_posix.c
+++ b/src/core/lib/iomgr/resolve_address_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,12 +34,11 @@
 #include <grpc/support/port_platform.h>
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 
 #include <string.h>
 #include <sys/types.h>
-#include <sys/un.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
@@ -48,11 +47,12 @@
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
-#include "src/core/iomgr/executor.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/support/block_annotate.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/iomgr/executor.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+#include "src/core/lib/support/block_annotate.h"
+#include "src/core/lib/support/string.h"
 
 typedef struct {
   char *name;
@@ -71,18 +71,10 @@ static grpc_resolved_addresses *blocking_resolve_address_impl(
   int s;
   size_t i;
   grpc_resolved_addresses *addrs = NULL;
-  struct sockaddr_un *un;
 
   if (name[0] == 'u' && name[1] == 'n' && name[2] == 'i' && name[3] == 'x' &&
       name[4] == ':' && name[5] != 0) {
-    addrs = gpr_malloc(sizeof(grpc_resolved_addresses));
-    addrs->naddrs = 1;
-    addrs->addrs = gpr_malloc(sizeof(grpc_resolved_address));
-    un = (struct sockaddr_un *)addrs->addrs->addr;
-    un->sun_family = AF_UNIX;
-    strcpy(un->sun_path, name + 5);
-    addrs->addrs->len = strlen(un->sun_path) + sizeof(un->sun_family) + 1;
-    return addrs;
+    return grpc_resolve_unix_domain_address(name + 5);
   }
 
   /* parse name, splitting it into host and port parts */
@@ -172,8 +164,9 @@ void grpc_resolved_addresses_destroy(grpc_resolved_addresses *addrs) {
   gpr_free(addrs);
 }
 
-void grpc_resolve_address(const char *name, const char *default_port,
-                          grpc_resolve_cb cb, void *arg) {
+static void resolve_address_impl(grpc_exec_ctx *exec_ctx, const char *name,
+                                 const char *default_port, grpc_resolve_cb cb,
+                                 void *arg) {
   request *r = gpr_malloc(sizeof(request));
   grpc_closure_init(&r->request_closure, do_request_thread, r);
   r->name = gpr_strdup(name);
@@ -183,4 +176,8 @@ void grpc_resolve_address(const char *name, const char *default_port,
   grpc_executor_enqueue(&r->request_closure, 1);
 }
 
+void (*grpc_resolve_address)(grpc_exec_ctx *exec_ctx, const char *name,
+                             const char *default_port, grpc_resolve_cb cb,
+                             void *arg) = resolve_address_impl;
+
 #endif
diff --git a/src/core/iomgr/resolve_address_windows.c b/src/core/lib/iomgr/resolve_address_windows.c
similarity index 86%
rename from src/core/iomgr/resolve_address_windows.c
rename to src/core/lib/iomgr/resolve_address_windows.c
index 472e79716342b86ecd5adbbd9621ef686c512bd5..914736234da874cb6e11c6acbcdf00260ac95097 100644
--- a/src/core/iomgr/resolve_address_windows.c
+++ b/src/core/lib/iomgr/resolve_address_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,8 +34,8 @@
 #include <grpc/support/port_platform.h>
 #ifdef GPR_WINSOCK_SOCKET
 
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 
 #include <string.h>
 #include <sys/types.h>
@@ -47,11 +47,11 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
-#include "src/core/iomgr/executor.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/support/block_annotate.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/iomgr/executor.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/support/block_annotate.h"
+#include "src/core/lib/support/string.h"
 
 typedef struct {
   char *name;
@@ -155,8 +155,9 @@ void grpc_resolved_addresses_destroy(grpc_resolved_addresses *addrs) {
   gpr_free(addrs);
 }
 
-void grpc_resolve_address(const char *name, const char *default_port,
-                          grpc_resolve_cb cb, void *arg) {
+static void resolve_address_impl(grpc_exec_ctx *exec_ctx, const char *name,
+                                 const char *default_port, grpc_resolve_cb cb,
+                                 void *arg) {
   request *r = gpr_malloc(sizeof(request));
   grpc_closure_init(&r->request_closure, do_request_thread, r);
   r->name = gpr_strdup(name);
@@ -166,4 +167,8 @@ void grpc_resolve_address(const char *name, const char *default_port,
   grpc_executor_enqueue(&r->request_closure, 1);
 }
 
+void (*grpc_resolve_address)(grpc_exec_ctx *exec_ctx, const char *name,
+                             const char *default_port, grpc_resolve_cb cb,
+                             void *arg) = resolve_address_impl;
+
 #endif
diff --git a/src/core/iomgr/sockaddr.h b/src/core/lib/iomgr/sockaddr.h
similarity index 88%
rename from src/core/iomgr/sockaddr.h
rename to src/core/lib/iomgr/sockaddr.h
index e41e1ec6b48ed8edb4faa62f957ccaafc120e956..891a2f094f5073f75eb9db6697a0f6dbbab84644 100644
--- a/src/core/iomgr/sockaddr.h
+++ b/src/core/lib/iomgr/sockaddr.h
@@ -31,17 +31,17 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_H
-#define GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_H
+#ifndef GRPC_CORE_LIB_IOMGR_SOCKADDR_H
+#define GRPC_CORE_LIB_IOMGR_SOCKADDR_H
 
 #include <grpc/support/port_platform.h>
 
 #ifdef GPR_WIN32
-#include "src/core/iomgr/sockaddr_win32.h"
+#include "src/core/lib/iomgr/sockaddr_win32.h"
 #endif
 
 #ifdef GPR_POSIX_SOCKETADDR
-#include "src/core/iomgr/sockaddr_posix.h"
+#include "src/core/lib/iomgr/sockaddr_posix.h"
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_H */
+#endif /* GRPC_CORE_LIB_IOMGR_SOCKADDR_H */
diff --git a/src/core/iomgr/sockaddr_posix.h b/src/core/lib/iomgr/sockaddr_posix.h
similarity index 91%
rename from src/core/iomgr/sockaddr_posix.h
rename to src/core/lib/iomgr/sockaddr_posix.h
index 388abb3306691526ecd732adad0bafaa0a9c7884..b150de42f7004d26d43669df7132f353038d17f6 100644
--- a/src/core/iomgr/sockaddr_posix.h
+++ b/src/core/lib/iomgr/sockaddr_posix.h
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_POSIX_H
+#ifndef GRPC_CORE_LIB_IOMGR_SOCKADDR_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_SOCKADDR_POSIX_H
 
 #include <arpa/inet.h>
+#include <netdb.h>
+#include <netinet/in.h>
 #include <sys/socket.h>
 #include <sys/types.h>
-#include <netinet/in.h>
-#include <netdb.h>
 #include <unistd.h>
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_POSIX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_SOCKADDR_POSIX_H */
diff --git a/src/core/iomgr/sockaddr_utils.c b/src/core/lib/iomgr/sockaddr_utils.c
similarity index 95%
rename from src/core/iomgr/sockaddr_utils.c
rename to src/core/lib/iomgr/sockaddr_utils.c
index 61006d7a7aab2c37e9ccfdd0ce31f2f443a31cff..127d95c618a6c9219bd23a2deabcd7634a181e9c 100644
--- a/src/core/iomgr/sockaddr_utils.c
+++ b/src/core/lib/iomgr/sockaddr_utils.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,22 +31,19 @@
  *
  */
 
-#include "src/core/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
 
 #include <errno.h>
 #include <string.h>
 
-#ifdef GPR_POSIX_SOCKET
-#include <sys/un.h>
-#endif
-
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+#include "src/core/lib/support/string.h"
 
 static const uint8_t kV4MappedPrefix[] = {0, 0, 0, 0, 0,    0,
                                           0, 0, 0, 0, 0xff, 0xff};
@@ -191,14 +188,9 @@ char *grpc_sockaddr_to_uri(const struct sockaddr *addr) {
       gpr_asprintf(&result, "ipv6:%s", temp);
       gpr_free(temp);
       return result;
-#ifdef GPR_POSIX_SOCKET
-    case AF_UNIX:
-      gpr_asprintf(&result, "unix:%s", ((struct sockaddr_un *)addr)->sun_path);
-      return result;
-#endif
+    default:
+      return grpc_sockaddr_to_uri_unix_if_possible(addr);
   }
-
-  return NULL;
 }
 
 int grpc_sockaddr_get_port(const struct sockaddr *addr) {
@@ -207,9 +199,10 @@ int grpc_sockaddr_get_port(const struct sockaddr *addr) {
       return ntohs(((struct sockaddr_in *)addr)->sin_port);
     case AF_INET6:
       return ntohs(((struct sockaddr_in6 *)addr)->sin6_port);
-    case AF_UNIX:
-      return 1;
     default:
+      if (grpc_is_unix_socket(addr)) {
+        return 1;
+      }
       gpr_log(GPR_ERROR, "Unknown socket family %d in grpc_sockaddr_get_port",
               addr->sa_family);
       return 0;
diff --git a/src/core/iomgr/sockaddr_utils.h b/src/core/lib/iomgr/sockaddr_utils.h
similarity index 95%
rename from src/core/iomgr/sockaddr_utils.h
rename to src/core/lib/iomgr/sockaddr_utils.h
index 6f7a279900dff0af65508caface301a898cef550..9f81992e6beac3266f2c0ff6d9441116284d269b 100644
--- a/src/core/iomgr/sockaddr_utils.h
+++ b/src/core/lib/iomgr/sockaddr_utils.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_UTILS_H
-#define GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_UTILS_H
+#ifndef GRPC_CORE_LIB_IOMGR_SOCKADDR_UTILS_H
+#define GRPC_CORE_LIB_IOMGR_SOCKADDR_UTILS_H
 
-#include "src/core/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 
 /* Returns true if addr is an IPv4-mapped IPv6 address within the
    ::ffff:0.0.0.0/96 range, or false otherwise.
@@ -86,4 +86,4 @@ int grpc_sockaddr_to_string(char **out, const struct sockaddr *addr,
 
 char *grpc_sockaddr_to_uri(const struct sockaddr *addr);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_UTILS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_SOCKADDR_UTILS_H */
diff --git a/src/core/iomgr/sockaddr_win32.h b/src/core/lib/iomgr/sockaddr_win32.h
similarity index 88%
rename from src/core/iomgr/sockaddr_win32.h
rename to src/core/lib/iomgr/sockaddr_win32.h
index 8e3946a7d847cec022d21882a1d5129406f49bef..02aeae761905c44264636ab157166031de6f7542 100644
--- a/src/core/iomgr/sockaddr_win32.h
+++ b/src/core/lib/iomgr/sockaddr_win32.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_WIN32_H
-#define GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_WIN32_H
+#ifndef GRPC_CORE_LIB_IOMGR_SOCKADDR_WIN32_H
+#define GRPC_CORE_LIB_IOMGR_SOCKADDR_WIN32_H
 
 #include <winsock2.h>
 #include <ws2tcpip.h>
+
+// must be included after the above
 #include <mswsock.h>
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_WIN32_H */
+#endif /* GRPC_CORE_LIB_IOMGR_SOCKADDR_WIN32_H */
diff --git a/src/core/iomgr/socket_utils_common_posix.c b/src/core/lib/iomgr/socket_utils_common_posix.c
similarity index 90%
rename from src/core/iomgr/socket_utils_common_posix.c
rename to src/core/lib/iomgr/socket_utils_common_posix.c
index a9af5947009188c4597bad03c9c144e1b2a51e89..fa83ceef301bc351ec5d8e6367ba469f67c58a7f 100644
--- a/src/core/iomgr/socket_utils_common_posix.c
+++ b/src/core/lib/iomgr/socket_utils_common_posix.c
@@ -35,26 +35,26 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
 
 #include <arpa/inet.h>
-#include <limits.h>
+#include <errno.h>
 #include <fcntl.h>
+#include <limits.h>
 #include <netinet/in.h>
 #include <netinet/tcp.h>
 #include <stdio.h>
-#include <sys/types.h>
+#include <string.h>
 #include <sys/socket.h>
+#include <sys/types.h>
 #include <unistd.h>
-#include <string.h>
-#include <errno.h>
 
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/support/string.h"
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/sync.h>
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/support/string.h"
 
 /* set a socket to non blocking mode */
 int grpc_set_socket_nonblocking(int fd, int non_blocking) {
@@ -89,6 +89,28 @@ int grpc_set_socket_no_sigpipe_if_possible(int fd) {
 #endif
 }
 
+int grpc_set_socket_ip_pktinfo_if_possible(int fd) {
+#ifdef GPR_HAVE_IP_PKTINFO
+  int get_local_ip = 1;
+  return 0 == setsockopt(fd, IPPROTO_IP, IP_PKTINFO, &get_local_ip,
+                         sizeof(get_local_ip));
+#else
+  (void)fd;
+  return 1;
+#endif
+}
+
+int grpc_set_socket_ipv6_recvpktinfo_if_possible(int fd) {
+#ifdef GPR_HAVE_IPV6_RECVPKTINFO
+  int get_local_ip = 1;
+  return 0 == setsockopt(fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, &get_local_ip,
+                         sizeof(get_local_ip));
+#else
+  (void)fd;
+  return 1;
+#endif
+}
+
 /* set a socket to close on exec */
 int grpc_set_socket_cloexec(int fd, int close_on_exec) {
   int oldflags = fcntl(fd, F_GETFD, 0);
diff --git a/src/core/iomgr/socket_utils_linux.c b/src/core/lib/iomgr/socket_utils_linux.c
similarity index 97%
rename from src/core/iomgr/socket_utils_linux.c
rename to src/core/lib/iomgr/socket_utils_linux.c
index a87625262b26d554044ea899f4aad6e155d51bdc..144e3110c8b3621170910cd8d9b932f5ddc82124 100644
--- a/src/core/iomgr/socket_utils_linux.c
+++ b/src/core/lib/iomgr/socket_utils_linux.c
@@ -35,10 +35,10 @@
 
 #ifdef GPR_LINUX_SOCKETUTILS
 
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
 
-#include <sys/types.h>
 #include <sys/socket.h>
+#include <sys/types.h>
 
 int grpc_accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen,
                  int nonblock, int cloexec) {
diff --git a/src/core/iomgr/socket_utils_posix.c b/src/core/lib/iomgr/socket_utils_posix.c
similarity index 97%
rename from src/core/iomgr/socket_utils_posix.c
rename to src/core/lib/iomgr/socket_utils_posix.c
index 3c56b4674431fbcc898bc9fb7d265ef1f1cc3678..57ae64c10312b3a0f6ced0117d9d6f35404c07c2 100644
--- a/src/core/iomgr/socket_utils_posix.c
+++ b/src/core/lib/iomgr/socket_utils_posix.c
@@ -35,7 +35,7 @@
 
 #ifdef GPR_POSIX_SOCKETUTILS
 
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
 
 #include <fcntl.h>
 #include <sys/socket.h>
diff --git a/src/core/iomgr/socket_utils_posix.h b/src/core/lib/iomgr/socket_utils_posix.h
similarity index 89%
rename from src/core/iomgr/socket_utils_posix.h
rename to src/core/lib/iomgr/socket_utils_posix.h
index d330d1986ebd546723922b3a81d681fe0f7e27aa..a8f6e5e6586f99b19846212d446ad0bed8de0bb7 100644
--- a/src/core/iomgr/socket_utils_posix.h
+++ b/src/core/lib/iomgr/socket_utils_posix.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_SOCKET_UTILS_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_SOCKET_UTILS_POSIX_H
+#ifndef GRPC_CORE_LIB_IOMGR_SOCKET_UTILS_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_SOCKET_UTILS_POSIX_H
 
-#include <unistd.h>
 #include <sys/socket.h>
+#include <unistd.h>
 
 /* a wrapper for accept or accept4 */
 int grpc_accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen,
@@ -68,6 +68,16 @@ int grpc_ipv6_loopback_available(void);
    If SO_NO_SIGPIPE is not available, returns 1. */
 int grpc_set_socket_no_sigpipe_if_possible(int fd);
 
+/* Tries to set IP_PKTINFO if available on this platform.
+   Returns 1 on success, 0 on failure.
+   If IP_PKTINFO is not available, returns 1. */
+int grpc_set_socket_ip_pktinfo_if_possible(int fd);
+
+/* Tries to set IPV6_RECVPKTINFO if available on this platform.
+   Returns 1 on success, 0 on failure.
+   If IPV6_RECVPKTINFO is not available, returns 1. */
+int grpc_set_socket_ipv6_recvpktinfo_if_possible(int fd);
+
 /* An enum to keep track of IPv4/IPv6 socket modes.
 
    Currently, this information is only used when a socket is first created, but
@@ -110,4 +120,4 @@ extern int grpc_forbid_dualstack_sockets_for_testing;
 int grpc_create_dualstack_socket(const struct sockaddr *addr, int type,
                                  int protocol, grpc_dualstack_mode *dsmode);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_SOCKET_UTILS_POSIX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_SOCKET_UTILS_POSIX_H */
diff --git a/src/core/iomgr/socket_windows.c b/src/core/lib/iomgr/socket_windows.c
similarity index 93%
rename from src/core/iomgr/socket_windows.c
rename to src/core/lib/iomgr/socket_windows.c
index fafb7b6622b593452f76cdcbef4fc8227a5945c9..ebd77e0372409cdb3505ab310e5fd32a6ffde699 100644
--- a/src/core/iomgr/socket_windows.c
+++ b/src/core/lib/iomgr/socket_windows.c
@@ -36,6 +36,8 @@
 #ifdef GPR_WINSOCK_SOCKET
 
 #include <winsock2.h>
+
+// must be included after winsock2.h
 #include <mswsock.h>
 
 #include <grpc/support/alloc.h>
@@ -43,11 +45,11 @@
 #include <grpc/support/log_win32.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/iomgr/iocp_windows.h"
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/pollset.h"
-#include "src/core/iomgr/pollset_windows.h"
-#include "src/core/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/iocp_windows.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/iomgr/pollset_windows.h"
+#include "src/core/lib/iomgr/socket_windows.h"
 
 grpc_winsocket *grpc_winsocket_create(SOCKET socket, const char *name) {
   char *final_name;
diff --git a/src/core/iomgr/socket_windows.h b/src/core/lib/iomgr/socket_windows.h
similarity index 95%
rename from src/core/iomgr/socket_windows.h
rename to src/core/lib/iomgr/socket_windows.h
index dfbfabe1f934cd8bedf5498d805a91028b59501f..73c4384987ada7424e483361c29c6dffd8535901 100644
--- a/src/core/iomgr/socket_windows.h
+++ b/src/core/lib/iomgr/socket_windows.h
@@ -31,17 +31,17 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_SOCKET_WINDOWS_H
-#define GRPC_INTERNAL_CORE_IOMGR_SOCKET_WINDOWS_H
+#ifndef GRPC_CORE_LIB_IOMGR_SOCKET_WINDOWS_H
+#define GRPC_CORE_LIB_IOMGR_SOCKET_WINDOWS_H
 
 #include <grpc/support/port_platform.h>
 #include <winsock2.h>
 
-#include <grpc/support/sync.h>
 #include <grpc/support/atm.h>
+#include <grpc/support/sync.h>
 
-#include "src/core/iomgr/iomgr_internal.h"
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
 
 /* This holds the data for an outstanding read or write on a socket.
    The mutex to protect the concurrent access to that data is the one
@@ -108,4 +108,4 @@ void grpc_winsocket_shutdown(grpc_winsocket *socket);
 /* Destroy a socket. Should only be called if there's no pending operation. */
 void grpc_winsocket_destroy(grpc_winsocket *socket);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_SOCKET_WINDOWS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_SOCKET_WINDOWS_H */
diff --git a/src/core/iomgr/tcp_client.h b/src/core/lib/iomgr/tcp_client.h
similarity index 89%
rename from src/core/iomgr/tcp_client.h
rename to src/core/lib/iomgr/tcp_client.h
index 5e18e71ca2fde8f67c93fec4bb6af96788722e6c..a07e0b9f0cbefb940073c2a9b9244261e32445ef 100644
--- a/src/core/iomgr/tcp_client.h
+++ b/src/core/lib/iomgr/tcp_client.h
@@ -31,13 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TCP_CLIENT_H
-#define GRPC_INTERNAL_CORE_IOMGR_TCP_CLIENT_H
+#ifndef GRPC_CORE_LIB_IOMGR_TCP_CLIENT_H
+#define GRPC_CORE_LIB_IOMGR_TCP_CLIENT_H
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/pollset_set.h"
-#include "src/core/iomgr/sockaddr.h"
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/pollset_set.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 
 /* Asynchronously connect to an address (specified as (addr, len)), and call
    cb with arg and the completed connection when done (or call cb with arg and
@@ -50,4 +50,4 @@ void grpc_tcp_client_connect(grpc_exec_ctx *exec_ctx, grpc_closure *on_connect,
                              const struct sockaddr *addr, size_t addr_len,
                              gpr_timespec deadline);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TCP_CLIENT_H */
+#endif /* GRPC_CORE_LIB_IOMGR_TCP_CLIENT_H */
diff --git a/src/core/iomgr/tcp_client_posix.c b/src/core/lib/iomgr/tcp_client_posix.c
similarity index 86%
rename from src/core/iomgr/tcp_client_posix.c
rename to src/core/lib/iomgr/tcp_client_posix.c
index 15727856abf918f031bc5594ac11bba157618e8b..e93d5734a07f81fcd7321fed47640ec30154c5f8 100644
--- a/src/core/iomgr/tcp_client_posix.c
+++ b/src/core/lib/iomgr/tcp_client_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,7 +35,7 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/tcp_client.h"
+#include "src/core/lib/iomgr/tcp_client.h"
 
 #include <errno.h>
 #include <netinet/in.h>
@@ -47,14 +47,14 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 
-#include "src/core/iomgr/iomgr_posix.h"
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/iomgr/pollset_set_posix.h"
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/iomgr/socket_utils_posix.h"
-#include "src/core/iomgr/tcp_posix.h"
-#include "src/core/iomgr/timer.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr_posix.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+#include "src/core/lib/support/string.h"
 
 extern int grpc_tcp_trace;
 
@@ -77,13 +77,12 @@ static int prepare_socket(const struct sockaddr *addr, int fd) {
   }
 
   if (!grpc_set_socket_nonblocking(fd, 1) || !grpc_set_socket_cloexec(fd, 1) ||
-      (addr->sa_family != AF_UNIX && !grpc_set_socket_low_latency(fd, 1)) ||
+      (!grpc_is_unix_socket(addr) && !grpc_set_socket_low_latency(fd, 1)) ||
       !grpc_set_socket_no_sigpipe_if_possible(fd)) {
     gpr_log(GPR_ERROR, "Unable to configure socket %d: %s", fd,
             strerror(errno));
     goto error;
   }
-
   return 1;
 
 error:
@@ -140,7 +139,8 @@ static void on_writable(grpc_exec_ctx *exec_ctx, void *acp, bool success) {
   if (success) {
     do {
       so_error_size = sizeof(so_error);
-      err = getsockopt(fd->fd, SOL_SOCKET, SO_ERROR, &so_error, &so_error_size);
+      err = getsockopt(grpc_fd_wrapped_fd(fd), SOL_SOCKET, SO_ERROR, &so_error,
+                       &so_error_size);
     } while (err < 0 && errno == EINTR);
     if (err < 0) {
       gpr_log(GPR_ERROR, "failed to connect to '%s': getsockopt(ERROR): %s",
@@ -211,11 +211,11 @@ finish:
   grpc_exec_ctx_enqueue(exec_ctx, closure, *ep != NULL, NULL);
 }
 
-void grpc_tcp_client_connect(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
-                             grpc_endpoint **ep,
-                             grpc_pollset_set *interested_parties,
-                             const struct sockaddr *addr, size_t addr_len,
-                             gpr_timespec deadline) {
+static void tcp_client_connect_impl(grpc_exec_ctx *exec_ctx,
+                                    grpc_closure *closure, grpc_endpoint **ep,
+                                    grpc_pollset_set *interested_parties,
+                                    const struct sockaddr *addr,
+                                    size_t addr_len, gpr_timespec deadline) {
   int fd;
   grpc_dualstack_mode dsmode;
   int err;
@@ -303,4 +303,19 @@ done:
   gpr_free(addr_str);
 }
 
+// overridden by api_fuzzer.c
+void (*grpc_tcp_client_connect_impl)(
+    grpc_exec_ctx *exec_ctx, grpc_closure *closure, grpc_endpoint **ep,
+    grpc_pollset_set *interested_parties, const struct sockaddr *addr,
+    size_t addr_len, gpr_timespec deadline) = tcp_client_connect_impl;
+
+void grpc_tcp_client_connect(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
+                             grpc_endpoint **ep,
+                             grpc_pollset_set *interested_parties,
+                             const struct sockaddr *addr, size_t addr_len,
+                             gpr_timespec deadline) {
+  grpc_tcp_client_connect_impl(exec_ctx, closure, ep, interested_parties, addr,
+                               addr_len, deadline);
+}
+
 #endif
diff --git a/src/core/iomgr/tcp_client_windows.c b/src/core/lib/iomgr/tcp_client_windows.c
similarity index 93%
rename from src/core/iomgr/tcp_client_windows.c
rename to src/core/lib/iomgr/tcp_client_windows.c
index 689c6f7b104a8a363d3d13d6f5aba2835ae92c9f..7d78beb15ade9b17072c63922051460a6424a9c6 100644
--- a/src/core/iomgr/tcp_client_windows.c
+++ b/src/core/lib/iomgr/tcp_client_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,7 +35,7 @@
 
 #ifdef GPR_WINSOCK_SOCKET
 
-#include "src/core/iomgr/sockaddr_win32.h"
+#include "src/core/lib/iomgr/sockaddr_win32.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -43,13 +43,13 @@
 #include <grpc/support/slice_buffer.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/iomgr/timer.h"
-#include "src/core/iomgr/iocp_windows.h"
-#include "src/core/iomgr/tcp_client.h"
-#include "src/core/iomgr/tcp_windows.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/iocp_windows.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/tcp_client.h"
+#include "src/core/lib/iomgr/tcp_windows.h"
+#include "src/core/lib/iomgr/timer.h"
 
 typedef struct {
   grpc_closure *on_done;
@@ -103,7 +103,8 @@ static void on_connect(grpc_exec_ctx *exec_ctx, void *acp, bool from_iocp) {
     GPR_ASSERT(transfered_bytes == 0);
     if (!wsa_success) {
       char *utf8_message = gpr_format_message(WSAGetLastError());
-      gpr_log(GPR_ERROR, "on_connect error: %s", utf8_message);
+      gpr_log(GPR_ERROR, "on_connect error connecting to '%s': %s",
+              ac->addr_name, utf8_message);
       gpr_free(utf8_message);
     } else {
       *ep = grpc_tcp_create(ac->socket, ac->addr_name);
diff --git a/src/core/iomgr/tcp_posix.c b/src/core/lib/iomgr/tcp_posix.c
similarity index 97%
rename from src/core/iomgr/tcp_posix.c
rename to src/core/lib/iomgr/tcp_posix.c
index f74eb3fe5115110de299526f808245a02c9ead10..7210aef5d5c2ea6b51f901c5e7969aa4e6fb3c51 100644
--- a/src/core/iomgr/tcp_posix.c
+++ b/src/core/lib/iomgr/tcp_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,7 +35,7 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/tcp_posix.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
 
 #include <errno.h>
 #include <stdlib.h>
@@ -51,11 +51,10 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 
-#include "src/core/debug/trace.h"
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/iomgr/pollset_set_posix.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
 
 #ifdef GPR_HAVE_MSG_NOSIGNAL
 #define SENDMSG_FLAGS MSG_NOSIGNAL
@@ -297,7 +296,7 @@ static flush_result tcp_flush(grpc_tcp *tcp) {
     unwind_slice_idx = tcp->outgoing_slice_idx;
     unwind_byte_idx = tcp->outgoing_byte_idx;
     for (iov_size = 0; tcp->outgoing_slice_idx != tcp->outgoing_buffer->count &&
-                           iov_size != MAX_WRITE_IOVEC;
+                       iov_size != MAX_WRITE_IOVEC;
          iov_size++) {
       iov[iov_size].iov_base =
           GPR_SLICE_START_PTR(
@@ -446,7 +445,7 @@ static char *tcp_get_peer(grpc_endpoint *ep) {
 }
 
 static const grpc_endpoint_vtable vtable = {
-    tcp_read, tcp_write, tcp_add_to_pollset, tcp_add_to_pollset_set,
+    tcp_read,     tcp_write,   tcp_add_to_pollset, tcp_add_to_pollset_set,
     tcp_shutdown, tcp_destroy, tcp_get_peer};
 
 grpc_endpoint *grpc_tcp_create(grpc_fd *em_fd, size_t slice_size,
@@ -454,7 +453,7 @@ grpc_endpoint *grpc_tcp_create(grpc_fd *em_fd, size_t slice_size,
   grpc_tcp *tcp = (grpc_tcp *)gpr_malloc(sizeof(grpc_tcp));
   tcp->base.vtable = &vtable;
   tcp->peer_string = gpr_strdup(peer_string);
-  tcp->fd = em_fd->fd;
+  tcp->fd = grpc_fd_wrapped_fd(em_fd);
   tcp->read_cb = NULL;
   tcp->write_cb = NULL;
   tcp->release_fd_cb = NULL;
diff --git a/src/core/iomgr/tcp_posix.h b/src/core/lib/iomgr/tcp_posix.h
similarity index 91%
rename from src/core/iomgr/tcp_posix.h
rename to src/core/lib/iomgr/tcp_posix.h
index 2a40cdd38590b20f75464b4e3822949994ffa75e..99125836d69e1d188534471812973fd782ce7a4c 100644
--- a/src/core/iomgr/tcp_posix.h
+++ b/src/core/lib/iomgr/tcp_posix.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TCP_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_TCP_POSIX_H
+#ifndef GRPC_CORE_LIB_IOMGR_TCP_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_TCP_POSIX_H
 /*
    Low level TCP "bottom half" implementation, for use by transports built on
    top of a TCP connection.
@@ -44,8 +44,8 @@
    otherwise specified.
 */
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/fd_posix.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/ev_posix.h"
 
 #define GRPC_TCP_DEFAULT_READ_SLICE_SIZE 8192
 
@@ -68,4 +68,4 @@ int grpc_tcp_fd(grpc_endpoint *ep);
 void grpc_tcp_destroy_and_release_fd(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
                                      int *fd, grpc_closure *done);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TCP_POSIX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_TCP_POSIX_H */
diff --git a/src/core/iomgr/tcp_server.h b/src/core/lib/iomgr/tcp_server.h
similarity index 94%
rename from src/core/iomgr/tcp_server.h
rename to src/core/lib/iomgr/tcp_server.h
index a39dd3bafce4a59cd2179a686b9e83510111a1b7..99b9f297291e3c9f2710ab379878442d2df04d09 100644
--- a/src/core/iomgr/tcp_server.h
+++ b/src/core/lib/iomgr/tcp_server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TCP_SERVER_H
-#define GRPC_INTERNAL_CORE_IOMGR_TCP_SERVER_H
+#ifndef GRPC_CORE_LIB_IOMGR_TCP_SERVER_H
+#define GRPC_CORE_LIB_IOMGR_TCP_SERVER_H
 
-#include "src/core/iomgr/closure.h"
-#include "src/core/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/closure.h"
+#include "src/core/lib/iomgr/endpoint.h"
 
 /* Forward decl of grpc_tcp_server */
 typedef struct grpc_tcp_server grpc_tcp_server;
@@ -100,4 +100,4 @@ void grpc_tcp_server_shutdown_starting_add(grpc_tcp_server *s,
    a call (exec_ctx!=NULL) to shutdown_complete. */
 void grpc_tcp_server_unref(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TCP_SERVER_H */
+#endif /* GRPC_CORE_LIB_IOMGR_TCP_SERVER_H */
diff --git a/src/core/iomgr/tcp_server_posix.c b/src/core/lib/iomgr/tcp_server_posix.c
similarity index 93%
rename from src/core/iomgr/tcp_server_posix.c
rename to src/core/lib/iomgr/tcp_server_posix.c
index 5e07f8261c223e4cd410ab2deab9e34cb0d99c2b..aaeb384f6e4b43c80df5ba429c94c13f490e2df4 100644
--- a/src/core/iomgr/tcp_server_posix.c
+++ b/src/core/lib/iomgr/tcp_server_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,7 +40,7 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/tcp_server.h"
 
 #include <errno.h>
 #include <fcntl.h>
@@ -52,20 +52,19 @@
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/types.h>
-#include <sys/un.h>
 #include <unistd.h>
 
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/iomgr/socket_utils_posix.h"
-#include "src/core/iomgr/tcp_posix.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+#include "src/core/lib/support/string.h"
 
 #define MIN_SAFE_ACCEPT_QUEUE_SIZE 100
 
@@ -81,7 +80,6 @@ struct grpc_tcp_listener {
   union {
     uint8_t untyped[GRPC_MAX_SOCKADDR_SIZE];
     struct sockaddr sockaddr;
-    struct sockaddr_un un;
   } addr;
   size_t addr_len;
   int port;
@@ -98,14 +96,6 @@ struct grpc_tcp_listener {
   int is_sibling;
 };
 
-static void unlink_if_unix_domain_socket(const struct sockaddr_un *un) {
-  struct stat st;
-
-  if (stat(un->sun_path, &st) == 0 && (st.st_mode & S_IFMT) == S_IFSOCK) {
-    unlink(un->sun_path);
-  }
-}
-
 /* the overall server */
 struct grpc_tcp_server {
   gpr_refcount refs;
@@ -203,9 +193,7 @@ static void deactivated_all_ports(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) {
   if (s->head) {
     grpc_tcp_listener *sp;
     for (sp = s->head; sp; sp = sp->next) {
-      if (sp->addr.sockaddr.sa_family == AF_UNIX) {
-        unlink_if_unix_domain_socket(&sp->addr.un);
-      }
+      grpc_unlink_if_unix_domain_socket(&sp->addr.sockaddr);
       sp->destroyed_closure.cb = destroyed_port;
       sp->destroyed_closure.cb_arg = s;
       grpc_fd_orphan(exec_ctx, sp->emfd, &sp->destroyed_closure, NULL,
@@ -281,7 +269,7 @@ static int prepare_socket(int fd, const struct sockaddr *addr,
   }
 
   if (!grpc_set_socket_nonblocking(fd, 1) || !grpc_set_socket_cloexec(fd, 1) ||
-      (addr->sa_family != AF_UNIX && (!grpc_set_socket_low_latency(fd, 1) ||
+      (!grpc_is_unix_socket(addr) && (!grpc_set_socket_low_latency(fd, 1) ||
                                       !grpc_set_socket_reuse_addr(fd, 1))) ||
       !grpc_set_socket_no_sigpipe_if_possible(fd)) {
     gpr_log(GPR_ERROR, "Unable to configure socket %d: %s", fd,
@@ -451,9 +439,7 @@ int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr,
   if (s->tail != NULL) {
     port_index = s->tail->port_index + 1;
   }
-  if (((struct sockaddr *)addr)->sa_family == AF_UNIX) {
-    unlink_if_unix_domain_socket(addr);
-  }
+  grpc_unlink_if_unix_domain_socket((struct sockaddr *)addr);
 
   /* Check if this is a wildcard port, and if so, try to keep the port the same
      as some previously created listener. */
@@ -464,7 +450,7 @@ int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr,
                            &sockname_len)) {
         port = grpc_sockaddr_get_port((struct sockaddr *)&sockname_temp);
         if (port > 0) {
-          allocated_addr = malloc(addr_len);
+          allocated_addr = gpr_malloc(addr_len);
           memcpy(allocated_addr, addr, addr_len);
           grpc_sockaddr_set_port(allocated_addr, port);
           addr = allocated_addr;
@@ -499,7 +485,6 @@ int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr,
     /* If we didn't get a dualstack socket, also listen on 0.0.0.0. */
     if (port == 0 && sp != NULL) {
       grpc_sockaddr_set_port((struct sockaddr *)&wild4, sp->port);
-      sp2 = sp;
     }
     addr = (struct sockaddr *)&wild4;
     addr_len = sizeof(wild4);
@@ -508,16 +493,18 @@ int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr,
   fd = grpc_create_dualstack_socket(addr, SOCK_STREAM, 0, &dsmode);
   if (fd < 0) {
     gpr_log(GPR_ERROR, "Unable to create socket: %s", strerror(errno));
-  }
-  if (dsmode == GRPC_DSMODE_IPV4 &&
-      grpc_sockaddr_is_v4mapped(addr, &addr4_copy)) {
-    addr = (struct sockaddr *)&addr4_copy;
-    addr_len = sizeof(addr4_copy);
-  }
-  sp = add_socket_to_server(s, fd, addr, addr_len, port_index, fd_index);
-  if (sp2 != NULL && sp != NULL) {
-    sp2->sibling = sp;
-    sp->is_sibling = 1;
+  } else {
+    if (dsmode == GRPC_DSMODE_IPV4 &&
+        grpc_sockaddr_is_v4mapped(addr, &addr4_copy)) {
+      addr = (struct sockaddr *)&addr4_copy;
+      addr_len = sizeof(addr4_copy);
+    }
+    sp2 = sp;
+    sp = add_socket_to_server(s, fd, addr, addr_len, port_index, fd_index);
+    if (sp2 != NULL && sp != NULL) {
+      sp2->sibling = sp;
+      sp->is_sibling = 1;
+    }
   }
 
 done:
diff --git a/src/core/iomgr/tcp_server_windows.c b/src/core/lib/iomgr/tcp_server_windows.c
similarity index 98%
rename from src/core/iomgr/tcp_server_windows.c
rename to src/core/lib/iomgr/tcp_server_windows.c
index a4abc5b9743a0f103df7bbd50e41ac2d1493b4d1..6940dec7b02201d2cbf07dbe591fd05bee488321 100644
--- a/src/core/iomgr/tcp_server_windows.c
+++ b/src/core/lib/iomgr/tcp_server_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,7 +37,7 @@
 
 #include <io.h>
 
-#include "src/core/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -46,11 +46,11 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 
-#include "src/core/iomgr/iocp_windows.h"
-#include "src/core/iomgr/pollset_windows.h"
-#include "src/core/iomgr/socket_windows.h"
-#include "src/core/iomgr/tcp_server.h"
-#include "src/core/iomgr/tcp_windows.h"
+#include "src/core/lib/iomgr/iocp_windows.h"
+#include "src/core/lib/iomgr/pollset_windows.h"
+#include "src/core/lib/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/tcp_windows.h"
 
 #define MIN_SAFE_ACCEPT_QUEUE_SIZE 100
 
@@ -467,7 +467,7 @@ int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr,
                            (struct sockaddr *)&sockname_temp, &sockname_len)) {
         port = grpc_sockaddr_get_port((struct sockaddr *)&sockname_temp);
         if (port > 0) {
-          allocated_addr = malloc(addr_len);
+          allocated_addr = gpr_malloc(addr_len);
           memcpy(allocated_addr, addr, addr_len);
           grpc_sockaddr_set_port(allocated_addr, port);
           addr = allocated_addr;
diff --git a/src/core/iomgr/tcp_windows.c b/src/core/lib/iomgr/tcp_windows.c
similarity index 94%
rename from src/core/iomgr/tcp_windows.c
rename to src/core/lib/iomgr/tcp_windows.c
index 038e4158c89b9fdd9ecfb8db6d000280fdacd6b0..7ee689a7e46ea395dfb1f34b20d9427d95169d93 100644
--- a/src/core/iomgr/tcp_windows.c
+++ b/src/core/lib/iomgr/tcp_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,7 +35,7 @@
 
 #ifdef GPR_WINSOCK_SOCKET
 
-#include "src/core/iomgr/sockaddr_win32.h"
+#include "src/core/lib/iomgr/sockaddr_win32.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -44,12 +44,12 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/iomgr/timer.h"
-#include "src/core/iomgr/iocp_windows.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/iomgr/socket_windows.h"
-#include "src/core/iomgr/tcp_client.h"
+#include "src/core/lib/iomgr/iocp_windows.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/tcp_client.h"
+#include "src/core/lib/iomgr/timer.h"
 
 static int set_non_block(SOCKET sock) {
   int status;
@@ -146,8 +146,8 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *tcpp, bool success) {
   grpc_winsocket_callback_info *info = &socket->read_info;
 
   if (success) {
-    if (socket->read_info.wsa_error != 0 && !tcp->shutting_down) {
-      if (socket->read_info.wsa_error != WSAECONNRESET) {
+    if (info->wsa_error != 0 && !tcp->shutting_down) {
+      if (info->wsa_error != WSAECONNRESET) {
         char *utf8_message = gpr_format_message(info->wsa_error);
         gpr_log(GPR_ERROR, "ReadFile overlapped error: %s", utf8_message);
         gpr_free(utf8_message);
@@ -306,7 +306,7 @@ static void win_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
       ok = true;
       GPR_ASSERT(bytes_sent == tcp->write_slices->length);
     } else {
-      if (socket->read_info.wsa_error != WSAECONNRESET) {
+      if (info->wsa_error != WSAECONNRESET) {
         char *utf8_message = gpr_format_message(info->wsa_error);
         gpr_log(GPR_ERROR, "WSASend error: %s", utf8_message);
         gpr_free(utf8_message);
@@ -382,9 +382,9 @@ static char *win_get_peer(grpc_endpoint *ep) {
   return gpr_strdup(tcp->peer_string);
 }
 
-static grpc_endpoint_vtable vtable = {win_read, win_write, win_add_to_pollset,
-                                      win_add_to_pollset_set, win_shutdown,
-                                      win_destroy, win_get_peer};
+static grpc_endpoint_vtable vtable = {
+    win_read,     win_write,   win_add_to_pollset, win_add_to_pollset_set,
+    win_shutdown, win_destroy, win_get_peer};
 
 grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket, char *peer_string) {
   grpc_tcp *tcp = (grpc_tcp *)gpr_malloc(sizeof(grpc_tcp));
diff --git a/src/core/iomgr/tcp_windows.h b/src/core/lib/iomgr/tcp_windows.h
similarity index 90%
rename from src/core/iomgr/tcp_windows.h
rename to src/core/lib/iomgr/tcp_windows.h
index deb3e48293c6b3b917b50ddbc9beacbfc06d290a..a2f58eddd53b8fe92fbfac9ea57d64bb6a1855b6 100644
--- a/src/core/iomgr/tcp_windows.h
+++ b/src/core/lib/iomgr/tcp_windows.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TCP_WINDOWS_H
-#define GRPC_INTERNAL_CORE_IOMGR_TCP_WINDOWS_H
+#ifndef GRPC_CORE_LIB_IOMGR_TCP_WINDOWS_H
+#define GRPC_CORE_LIB_IOMGR_TCP_WINDOWS_H
 /*
    Low level TCP "bottom half" implementation, for use by transports built on
    top of a TCP connection.
@@ -44,8 +44,8 @@
    otherwise specified.
 */
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/socket_windows.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/socket_windows.h"
 
 /* Create a tcp endpoint given a winsock handle.
  * Takes ownership of the handle.
@@ -54,4 +54,4 @@ grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket, char *peer_string);
 
 int grpc_tcp_prepare_socket(SOCKET sock);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TCP_WINDOWS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_TCP_WINDOWS_H */
diff --git a/src/core/iomgr/time_averaged_stats.c b/src/core/lib/iomgr/time_averaged_stats.c
similarity index 98%
rename from src/core/iomgr/time_averaged_stats.c
rename to src/core/lib/iomgr/time_averaged_stats.c
index e075db4373515ffbb4f855aafa7672bac461aa55..da9cae6f281ff80b4d69287728d0f76091e664b9 100644
--- a/src/core/iomgr/time_averaged_stats.c
+++ b/src/core/lib/iomgr/time_averaged_stats.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/time_averaged_stats.h"
+#include "src/core/lib/iomgr/time_averaged_stats.h"
 
 void grpc_time_averaged_stats_init(grpc_time_averaged_stats* stats,
                                    double init_avg, double regress_weight,
diff --git a/src/core/iomgr/time_averaged_stats.h b/src/core/lib/iomgr/time_averaged_stats.h
similarity index 96%
rename from src/core/iomgr/time_averaged_stats.h
rename to src/core/lib/iomgr/time_averaged_stats.h
index 4e9e3956c28cdaa9c057b04808a241ccd2d3637c..284b31f94a09f7041dc7886d13f524a52edd4b32 100644
--- a/src/core/iomgr/time_averaged_stats.h
+++ b/src/core/lib/iomgr/time_averaged_stats.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TIME_AVERAGED_STATS_H
-#define GRPC_INTERNAL_CORE_IOMGR_TIME_AVERAGED_STATS_H
+#ifndef GRPC_CORE_LIB_IOMGR_TIME_AVERAGED_STATS_H
+#define GRPC_CORE_LIB_IOMGR_TIME_AVERAGED_STATS_H
 
 /* This tracks a time-decaying weighted average.  It works by collecting
    batches of samples and then mixing their average into a time-decaying
@@ -85,4 +85,4 @@ void grpc_time_averaged_stats_add_sample(grpc_time_averaged_stats* stats,
    value. */
 double grpc_time_averaged_stats_update_average(grpc_time_averaged_stats* stats);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TIME_AVERAGED_STATS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_TIME_AVERAGED_STATS_H */
diff --git a/src/core/iomgr/timer.c b/src/core/lib/iomgr/timer.c
similarity index 96%
rename from src/core/iomgr/timer.c
rename to src/core/lib/iomgr/timer.c
index f444643428d16c3cae134257881de34b8a9fa969..acb5b26c870880df0da53dc275c038d791dd4cac 100644
--- a/src/core/iomgr/timer.c
+++ b/src/core/lib/iomgr/timer.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,13 +31,13 @@
  *
  */
 
-#include "src/core/iomgr/timer.h"
+#include "src/core/lib/iomgr/timer.h"
 
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/useful.h>
-#include "src/core/iomgr/time_averaged_stats.h"
-#include "src/core/iomgr/timer_heap.h"
+#include "src/core/lib/iomgr/time_averaged_stats.h"
+#include "src/core/lib/iomgr/timer_heap.h"
 
 #define INVALID_HEAP_INDEX 0xffffffffu
 
@@ -70,6 +70,7 @@ static gpr_clock_type g_clock_type;
 static shard_type g_shards[NUM_SHARDS];
 /* Protected by g_mu */
 static shard_type *g_shard_queue[NUM_SHARDS];
+static bool g_initialized = false;
 
 static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_timespec now,
                                    gpr_timespec *next, int success);
@@ -83,6 +84,7 @@ static gpr_timespec compute_min_deadline(shard_type *shard) {
 void grpc_timer_list_init(gpr_timespec now) {
   uint32_t i;
 
+  g_initialized = true;
   gpr_mu_init(&g_mu);
   gpr_mu_init(&g_checker_mu);
   g_clock_type = now.clock_type;
@@ -111,6 +113,7 @@ void grpc_timer_list_shutdown(grpc_exec_ctx *exec_ctx) {
   }
   gpr_mu_destroy(&g_mu);
   gpr_mu_destroy(&g_checker_mu);
+  g_initialized = false;
 }
 
 /* This is a cheap, but good enough, pointer hash for sharding the tasks: */
@@ -180,6 +183,18 @@ void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer,
   timer->deadline = deadline;
   timer->triggered = 0;
 
+  if (!g_initialized) {
+    timer->triggered = 1;
+    grpc_exec_ctx_enqueue(exec_ctx, &timer->closure, false, NULL);
+    return;
+  }
+
+  if (gpr_time_cmp(deadline, now) <= 0) {
+    timer->triggered = 1;
+    grpc_exec_ctx_enqueue(exec_ctx, &timer->closure, true, NULL);
+    return;
+  }
+
   /* TODO(ctiller): check deadline expired */
 
   gpr_mu_lock(&shard->mu);
diff --git a/src/core/iomgr/timer.h b/src/core/lib/iomgr/timer.h
similarity index 95%
rename from src/core/iomgr/timer.h
rename to src/core/lib/iomgr/timer.h
index e239e884e7ba01bb13c56c33c174d02b51d42f32..a825d2a28b10202b10f4a6320f8e8d21481c2ad5 100644
--- a/src/core/iomgr/timer.h
+++ b/src/core/lib/iomgr/timer.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,13 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TIMER_H
-#define GRPC_INTERNAL_CORE_IOMGR_TIMER_H
+#ifndef GRPC_CORE_LIB_IOMGR_TIMER_H
+#define GRPC_CORE_LIB_IOMGR_TIMER_H
 
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/iomgr/exec_ctx.h"
 #include <grpc/support/port_platform.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/iomgr.h"
 
 typedef struct grpc_timer {
   gpr_timespec deadline;
@@ -105,4 +105,4 @@ void grpc_timer_list_shutdown(grpc_exec_ctx *exec_ctx);
 
 void grpc_kick_poller(void);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TIMER_H */
+#endif /* GRPC_CORE_LIB_IOMGR_TIMER_H */
diff --git a/src/core/iomgr/timer_heap.c b/src/core/lib/iomgr/timer_heap.c
similarity index 98%
rename from src/core/iomgr/timer_heap.c
rename to src/core/lib/iomgr/timer_heap.c
index b5df566c453d3ee606af96bc35f3d2e7fd8f185e..2ad9bb9cd23c9ca34c6e406acc27a1472b7c7e51 100644
--- a/src/core/iomgr/timer_heap.c
+++ b/src/core/lib/iomgr/timer_heap.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/timer_heap.h"
+#include "src/core/lib/iomgr/timer_heap.h"
 
 #include <string.h>
 
diff --git a/src/core/iomgr/timer_heap.h b/src/core/lib/iomgr/timer_heap.h
similarity index 92%
rename from src/core/iomgr/timer_heap.h
rename to src/core/lib/iomgr/timer_heap.h
index 2d220f16774e7af149ca7c06471ede00eb8e5666..576c20e09aeea5cb8e0426ecfaed029e6e0c18ca 100644
--- a/src/core/iomgr/timer_heap.h
+++ b/src/core/lib/iomgr/timer_heap.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_TIMER_HEAP_H
-#define GRPC_INTERNAL_CORE_IOMGR_TIMER_HEAP_H
+#ifndef GRPC_CORE_LIB_IOMGR_TIMER_HEAP_H
+#define GRPC_CORE_LIB_IOMGR_TIMER_HEAP_H
 
-#include "src/core/iomgr/timer.h"
+#include "src/core/lib/iomgr/timer.h"
 
 typedef struct {
   grpc_timer **timers;
@@ -54,4 +54,4 @@ void grpc_timer_heap_pop(grpc_timer_heap *heap);
 
 int grpc_timer_heap_is_empty(grpc_timer_heap *heap);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_TIMER_HEAP_H */
+#endif /* GRPC_CORE_LIB_IOMGR_TIMER_HEAP_H */
diff --git a/src/core/iomgr/udp_server.c b/src/core/lib/iomgr/udp_server.c
similarity index 90%
rename from src/core/iomgr/udp_server.c
rename to src/core/lib/iomgr/udp_server.c
index ef548cfe4dba05f84bb8afc3dd26b43d7c14f54f..df6cf956d90a5a0bc9edb9ecd001b49e03a4bfda 100644
--- a/src/core/iomgr/udp_server.c
+++ b/src/core/lib/iomgr/udp_server.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,7 +41,7 @@
 #ifdef GRPC_NEED_UDP
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/udp_server.h"
+#include "src/core/lib/iomgr/udp_server.h"
 
 #include <errno.h>
 #include <fcntl.h>
@@ -52,20 +52,19 @@
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/types.h>
-#include <sys/un.h>
 #include <unistd.h>
 
-#include "src/core/iomgr/fd_posix.h"
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/sockaddr_utils.h"
-#include "src/core/iomgr/socket_utils_posix.h"
-#include "src/core/support/string.h"
+#include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/sync.h>
 #include <grpc/support/string_util.h>
+#include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/support/string.h"
 
 #define INIT_PORT_CAP 2
 
@@ -77,7 +76,6 @@ typedef struct {
   union {
     uint8_t untyped[GRPC_MAX_SOCKADDR_SIZE];
     struct sockaddr sockaddr;
-    struct sockaddr_un un;
   } addr;
   size_t addr_len;
   grpc_closure read_closure;
@@ -85,14 +83,6 @@ typedef struct {
   grpc_udp_server_read_cb read_cb;
 } server_port;
 
-static void unlink_if_unix_domain_socket(const struct sockaddr_un *un) {
-  struct stat st;
-
-  if (stat(un->sun_path, &st) == 0 && (st.st_mode & S_IFMT) == S_IFSOCK) {
-    unlink(un->sun_path);
-  }
-}
-
 /* the overall server */
 struct grpc_udp_server {
   gpr_mu mu;
@@ -176,9 +166,6 @@ static void deactivated_all_ports(grpc_exec_ctx *exec_ctx, grpc_udp_server *s) {
   if (s->nports) {
     for (i = 0; i < s->nports; i++) {
       server_port *sp = &s->ports[i];
-      if (sp->addr.sockaddr.sa_family == AF_UNIX) {
-        unlink_if_unix_domain_socket(&sp->addr.un);
-      }
       sp->destroyed_closure.cb = destroyed_port;
       sp->destroyed_closure.cb_arg = s;
       grpc_fd_orphan(exec_ctx, sp->emfd, &sp->destroyed_closure, NULL,
@@ -218,8 +205,6 @@ static int prepare_socket(int fd, const struct sockaddr *addr,
                           size_t addr_len) {
   struct sockaddr_storage sockname_temp;
   socklen_t sockname_len;
-  int get_local_ip;
-  int rc;
 
   if (fd < 0) {
     goto error;
@@ -230,14 +215,9 @@ static int prepare_socket(int fd, const struct sockaddr *addr,
             strerror(errno));
   }
 
-  get_local_ip = 1;
-  rc = setsockopt(fd, IPPROTO_IP, IP_PKTINFO, &get_local_ip,
-                  sizeof(get_local_ip));
-  if (rc == 0 && addr->sa_family == AF_INET6) {
-#if !defined(__APPLE__)
-    rc = setsockopt(fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, &get_local_ip,
-                    sizeof(get_local_ip));
-#endif
+  if (grpc_set_socket_ip_pktinfo_if_possible(fd) &&
+      addr->sa_family == AF_INET6) {
+    grpc_set_socket_ipv6_recvpktinfo_if_possible(fd);
   }
 
   GPR_ASSERT(addr_len < ~(socklen_t)0);
@@ -336,10 +316,6 @@ int grpc_udp_server_add_port(grpc_udp_server *s, const void *addr,
   socklen_t sockname_len;
   int port;
 
-  if (((struct sockaddr *)addr)->sa_family == AF_UNIX) {
-    unlink_if_unix_domain_socket(addr);
-  }
-
   /* Check if this is a wildcard port, and if so, try to keep the port the same
      as some previously created listener. */
   if (grpc_sockaddr_get_port(addr) == 0) {
@@ -349,7 +325,7 @@ int grpc_udp_server_add_port(grpc_udp_server *s, const void *addr,
                            &sockname_len)) {
         port = grpc_sockaddr_get_port((struct sockaddr *)&sockname_temp);
         if (port > 0) {
-          allocated_addr = malloc(addr_len);
+          allocated_addr = gpr_malloc(addr_len);
           memcpy(allocated_addr, addr, addr_len);
           grpc_sockaddr_set_port(allocated_addr, port);
           addr = allocated_addr;
diff --git a/src/core/iomgr/udp_server.h b/src/core/lib/iomgr/udp_server.h
similarity index 85%
rename from src/core/iomgr/udp_server.h
rename to src/core/lib/iomgr/udp_server.h
index a9d0489edfd13b44cabfc11e7a111b6f7a01c26f..d8cf957a22ac1cbae3f4b4477477db112b50338f 100644
--- a/src/core/iomgr/udp_server.h
+++ b/src/core/lib/iomgr/udp_server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,21 +31,22 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_UDP_SERVER_H
-#define GRPC_INTERNAL_CORE_IOMGR_UDP_SERVER_H
+#ifndef GRPC_CORE_LIB_IOMGR_UDP_SERVER_H
+#define GRPC_CORE_LIB_IOMGR_UDP_SERVER_H
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/fd_posix.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/ev_posix.h"
 
-/* Forward decl of grpc_server */
-typedef struct grpc_server grpc_server;
+/* Forward decl of struct grpc_server */
+/* This is not typedef'ed to avoid a typedef-redefinition error */
+struct grpc_server;
 
 /* Forward decl of grpc_udp_server */
 typedef struct grpc_udp_server grpc_udp_server;
 
 /* Called when data is available to read from the socket. */
 typedef void (*grpc_udp_server_read_cb)(grpc_exec_ctx *exec_ctx, grpc_fd *emfd,
-                                        grpc_server *server);
+                                        struct grpc_server *server);
 
 /* Create a server, initially not bound to any ports */
 grpc_udp_server *grpc_udp_server_create(void);
@@ -53,7 +54,7 @@ grpc_udp_server *grpc_udp_server_create(void);
 /* Start listening to bound ports */
 void grpc_udp_server_start(grpc_exec_ctx *exec_ctx, grpc_udp_server *udp_server,
                            grpc_pollset **pollsets, size_t pollset_count,
-                           grpc_server *server);
+                           struct grpc_server *server);
 
 int grpc_udp_server_get_fd(grpc_udp_server *s, unsigned index);
 
@@ -73,4 +74,4 @@ int grpc_udp_server_add_port(grpc_udp_server *s, const void *addr,
 void grpc_udp_server_destroy(grpc_exec_ctx *exec_ctx, grpc_udp_server *server,
                              grpc_closure *on_done);
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_UDP_SERVER_H */
+#endif /* GRPC_CORE_LIB_IOMGR_UDP_SERVER_H */
diff --git a/src/core/lib/iomgr/unix_sockets_posix.c b/src/core/lib/iomgr/unix_sockets_posix.c
new file mode 100644
index 0000000000000000000000000000000000000000..5767c852dfe495568219bc50013f07a54d18ab0d
--- /dev/null
+++ b/src/core/lib/iomgr/unix_sockets_posix.c
@@ -0,0 +1,89 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+
+#ifdef GPR_HAVE_UNIX_SOCKET
+
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/un.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+void grpc_create_socketpair_if_unix(int sv[2]) {
+  GPR_ASSERT(socketpair(AF_UNIX, SOCK_STREAM, 0, sv) == 0);
+}
+
+grpc_resolved_addresses *grpc_resolve_unix_domain_address(const char *name) {
+  struct sockaddr_un *un;
+
+  grpc_resolved_addresses *addrs = gpr_malloc(sizeof(grpc_resolved_addresses));
+  addrs->naddrs = 1;
+  addrs->addrs = gpr_malloc(sizeof(grpc_resolved_address));
+  un = (struct sockaddr_un *)addrs->addrs->addr;
+  un->sun_family = AF_UNIX;
+  strcpy(un->sun_path, name);
+  addrs->addrs->len = strlen(un->sun_path) + sizeof(un->sun_family) + 1;
+  return addrs;
+}
+
+int grpc_is_unix_socket(const struct sockaddr *addr) {
+  return addr->sa_family == AF_UNIX;
+}
+
+void grpc_unlink_if_unix_domain_socket(const struct sockaddr *addr) {
+  if (addr->sa_family != AF_UNIX) {
+    return;
+  }
+  struct sockaddr_un *un = (struct sockaddr_un *)addr;
+  struct stat st;
+
+  if (stat(un->sun_path, &st) == 0 && (st.st_mode & S_IFMT) == S_IFSOCK) {
+    unlink(un->sun_path);
+  }
+}
+
+char *grpc_sockaddr_to_uri_unix_if_possible(const struct sockaddr *addr) {
+  if (addr->sa_family != AF_UNIX) {
+    return NULL;
+  }
+
+  char *result;
+  gpr_asprintf(&result, "unix:%s", ((struct sockaddr_un *)addr)->sun_path);
+  return result;
+}
+
+#endif
diff --git a/src/core/lib/iomgr/unix_sockets_posix.h b/src/core/lib/iomgr/unix_sockets_posix.h
new file mode 100644
index 0000000000000000000000000000000000000000..6758c498e5f0b0a1ec1c85bda44d25060eb5f808
--- /dev/null
+++ b/src/core/lib/iomgr/unix_sockets_posix.h
@@ -0,0 +1,54 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_UNIX_SOCKETS_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_UNIX_SOCKETS_POSIX_H
+
+#include <grpc/support/port_platform.h>
+
+#include <grpc/support/string_util.h>
+
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+
+void grpc_create_socketpair_if_unix(int sv[2]);
+
+grpc_resolved_addresses *grpc_resolve_unix_domain_address(const char *name);
+
+int grpc_is_unix_socket(const struct sockaddr *addr);
+
+void grpc_unlink_if_unix_domain_socket(const struct sockaddr *addr);
+
+char *grpc_sockaddr_to_uri_unix_if_possible(const struct sockaddr *addr);
+
+#endif /* GRPC_CORE_LIB_IOMGR_UNIX_SOCKETS_POSIX_H */
diff --git a/src/core/lib/iomgr/unix_sockets_posix_noop.c b/src/core/lib/iomgr/unix_sockets_posix_noop.c
new file mode 100644
index 0000000000000000000000000000000000000000..d30952789f55da0ffa33f337ac27fd99ebdf7ac8
--- /dev/null
+++ b/src/core/lib/iomgr/unix_sockets_posix_noop.c
@@ -0,0 +1,59 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+
+#ifndef GPR_HAVE_UNIX_SOCKET
+
+#include <grpc/support/log.h>
+
+void grpc_create_socketpair_if_unix(int sv[2]) {
+  // TODO: Either implement this for the non-Unix socket case or make
+  // sure that it is never called in any such case. Until then, leave an
+  // assertion to notify if this gets called inadvertently
+  GPR_ASSERT(0);
+}
+
+grpc_resolved_addresses *grpc_resolve_unix_domain_address(const char *name) {
+  return NULL;
+}
+
+int grpc_is_unix_socket(const struct sockaddr *addr) { return false; }
+
+void grpc_unlink_if_unix_domain_socket(const struct sockaddr *addr) {}
+
+char *grpc_sockaddr_to_uri_unix_if_possible(const struct sockaddr *addr) {
+  return NULL;
+}
+
+#endif
diff --git a/src/core/iomgr/wakeup_fd_eventfd.c b/src/core/lib/iomgr/wakeup_fd_eventfd.c
similarity index 96%
rename from src/core/iomgr/wakeup_fd_eventfd.c
rename to src/core/lib/iomgr/wakeup_fd_eventfd.c
index f67379e4fcfaf709bf9964e4eebd58b7e2481c13..8a772add138d3423f4bc6ede7feb40805c1658cb 100644
--- a/src/core/iomgr/wakeup_fd_eventfd.c
+++ b/src/core/lib/iomgr/wakeup_fd_eventfd.c
@@ -41,8 +41,8 @@
 
 #include <grpc/support/log.h>
 
-#include "src/core/iomgr/wakeup_fd_posix.h"
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/profiling/timers.h"
 
 static void eventfd_create(grpc_wakeup_fd* fd_info) {
   int efd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
diff --git a/src/core/iomgr/wakeup_fd_nospecial.c b/src/core/lib/iomgr/wakeup_fd_nospecial.c
similarity index 97%
rename from src/core/iomgr/wakeup_fd_nospecial.c
rename to src/core/lib/iomgr/wakeup_fd_nospecial.c
index 78d763c103ad0343b8396ee39fe5ed31ecd9ee05..cb2f707dc5235a3662e1e1530ba2f7bd85720d5a 100644
--- a/src/core/iomgr/wakeup_fd_nospecial.c
+++ b/src/core/lib/iomgr/wakeup_fd_nospecial.c
@@ -40,8 +40,8 @@
 
 #ifdef GPR_POSIX_NO_SPECIAL_WAKEUP_FD
 
-#include "src/core/iomgr/wakeup_fd_posix.h"
 #include <stddef.h>
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
 
 static int check_availability_invalid(void) { return 0; }
 
diff --git a/src/core/iomgr/wakeup_fd_pipe.c b/src/core/lib/iomgr/wakeup_fd_pipe.c
similarity index 92%
rename from src/core/iomgr/wakeup_fd_pipe.c
rename to src/core/lib/iomgr/wakeup_fd_pipe.c
index 80de181d9d1966e80c8aa20440fb164862a470b5..e9b9a0119f1fec98a4e8c93f324f87a73f04d5dd 100644
--- a/src/core/iomgr/wakeup_fd_pipe.c
+++ b/src/core/lib/iomgr/wakeup_fd_pipe.c
@@ -35,19 +35,24 @@
 
 #ifdef GPR_POSIX_WAKEUP_FD
 
-#include "src/core/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
 
 #include <errno.h>
 #include <string.h>
 #include <unistd.h>
 
-#include "src/core/iomgr/socket_utils_posix.h"
 #include <grpc/support/log.h>
 
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+
 static void pipe_init(grpc_wakeup_fd* fd_info) {
   int pipefd[2];
   /* TODO(klempner): Make this nonfatal */
-  GPR_ASSERT(0 == pipe(pipefd));
+  int r = pipe(pipefd);
+  if (0 != r) {
+    gpr_log(GPR_ERROR, "pipe creation failed (%d): %s", errno, strerror(errno));
+    abort();
+  }
   GPR_ASSERT(grpc_set_socket_nonblocking(pipefd[0], 1));
   GPR_ASSERT(grpc_set_socket_nonblocking(pipefd[1], 1));
   fd_info->read_fd = pipefd[0];
diff --git a/src/core/iomgr/wakeup_fd_pipe.h b/src/core/lib/iomgr/wakeup_fd_pipe.h
similarity index 89%
rename from src/core/iomgr/wakeup_fd_pipe.h
rename to src/core/lib/iomgr/wakeup_fd_pipe.h
index 01a13a97c036e362e3f33791216f427bb56af388..8972efc2702ce01225a29e9a2fc75ab0d788778b 100644
--- a/src/core/iomgr/wakeup_fd_pipe.h
+++ b/src/core/lib/iomgr/wakeup_fd_pipe.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_WAKEUP_FD_PIPE_H
-#define GRPC_INTERNAL_CORE_IOMGR_WAKEUP_FD_PIPE_H
+#ifndef GRPC_CORE_LIB_IOMGR_WAKEUP_FD_PIPE_H
+#define GRPC_CORE_LIB_IOMGR_WAKEUP_FD_PIPE_H
 
-#include "src/core/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
 
 extern grpc_wakeup_fd_vtable grpc_pipe_wakeup_fd_vtable;
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_WAKEUP_FD_PIPE_H */
+#endif /* GRPC_CORE_LIB_IOMGR_WAKEUP_FD_PIPE_H */
diff --git a/src/core/iomgr/wakeup_fd_posix.c b/src/core/lib/iomgr/wakeup_fd_posix.c
similarity index 96%
rename from src/core/iomgr/wakeup_fd_posix.c
rename to src/core/lib/iomgr/wakeup_fd_posix.c
index f40be081b0567807d94d2716aeeef750b38ff458..525369c35665a92007500eb33d988ffe7ae4e672 100644
--- a/src/core/iomgr/wakeup_fd_posix.c
+++ b/src/core/lib/iomgr/wakeup_fd_posix.c
@@ -35,9 +35,9 @@
 
 #ifdef GPR_POSIX_WAKEUP_FD
 
-#include "src/core/iomgr/wakeup_fd_posix.h"
-#include "src/core/iomgr/wakeup_fd_pipe.h"
 #include <stddef.h>
+#include "src/core/lib/iomgr/wakeup_fd_pipe.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
 
 static const grpc_wakeup_fd_vtable *wakeup_fd_vtable = NULL;
 int grpc_allow_specialized_wakeup_fd = 1;
diff --git a/src/core/iomgr/wakeup_fd_posix.h b/src/core/lib/iomgr/wakeup_fd_posix.h
similarity index 96%
rename from src/core/iomgr/wakeup_fd_posix.h
rename to src/core/lib/iomgr/wakeup_fd_posix.h
index ffd60d1d4e68dcaee8d43a1e5dcfc085c446ed96..6b069c1837f5275a3341b3a519aaf54acc16f0dd 100644
--- a/src/core/iomgr/wakeup_fd_posix.h
+++ b/src/core/lib/iomgr/wakeup_fd_posix.h
@@ -59,8 +59,8 @@
  * 2. If the polling thread was awakened by a wakeup_fd event, call
  *    grpc_wakeup_fd_consume_wakeup() on it.
  */
-#ifndef GRPC_INTERNAL_CORE_IOMGR_WAKEUP_FD_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_WAKEUP_FD_POSIX_H
+#ifndef GRPC_CORE_LIB_IOMGR_WAKEUP_FD_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_WAKEUP_FD_POSIX_H
 
 void grpc_wakeup_fd_global_init(void);
 void grpc_wakeup_fd_global_destroy(void);
@@ -98,4 +98,4 @@ void grpc_wakeup_fd_destroy(grpc_wakeup_fd* fd_info);
  * wakeup_fd_nospecial.c if no such implementation exists. */
 extern const grpc_wakeup_fd_vtable grpc_specialized_wakeup_fd_vtable;
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_WAKEUP_FD_POSIX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_WAKEUP_FD_POSIX_H */
diff --git a/src/core/iomgr/workqueue.h b/src/core/lib/iomgr/workqueue.h
similarity index 87%
rename from src/core/iomgr/workqueue.h
rename to src/core/lib/iomgr/workqueue.h
index 36dd133468328e6b533fdfb6c061b7f49662019f..3e2b22367049cad038a64eb20a584ca9e98ac626 100644
--- a/src/core/iomgr/workqueue.h
+++ b/src/core/lib/iomgr/workqueue.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,20 +31,20 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_H
-#define GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_H
+#ifndef GRPC_CORE_LIB_IOMGR_WORKQUEUE_H
+#define GRPC_CORE_LIB_IOMGR_WORKQUEUE_H
 
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/iomgr/pollset.h"
-#include "src/core/iomgr/closure.h"
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/closure.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/pollset.h"
 
 #ifdef GPR_POSIX_SOCKET
-#include "src/core/iomgr/workqueue_posix.h"
+#include "src/core/lib/iomgr/workqueue_posix.h"
 #endif
 
 #ifdef GPR_WIN32
-#include "src/core/iomgr/workqueue_windows.h"
+#include "src/core/lib/iomgr/workqueue_windows.h"
 #endif
 
 /* grpc_workqueue is forward declared in exec_ctx.h */
@@ -80,4 +80,4 @@ void grpc_workqueue_add_to_pollset(grpc_exec_ctx *exec_ctx,
 void grpc_workqueue_push(grpc_workqueue *workqueue, grpc_closure *closure,
                          int success);
 
-#endif
+#endif /* GRPC_CORE_LIB_IOMGR_WORKQUEUE_H */
diff --git a/src/core/iomgr/workqueue_posix.c b/src/core/lib/iomgr/workqueue_posix.c
similarity index 97%
rename from src/core/iomgr/workqueue_posix.c
rename to src/core/lib/iomgr/workqueue_posix.c
index 2b42e6d4fbfe276a87657160e9e1184675706a7b..80e7a0b206ce4a5af1debeb5066907ef597d360f 100644
--- a/src/core/iomgr/workqueue_posix.c
+++ b/src/core/lib/iomgr/workqueue_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,7 +35,7 @@
 
 #ifdef GPR_POSIX_SOCKET
 
-#include "src/core/iomgr/workqueue.h"
+#include "src/core/lib/iomgr/workqueue.h"
 
 #include <stdio.h>
 
@@ -43,8 +43,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/iomgr/fd_posix.h"
-#include "src/core/iomgr/pollset_posix.h"
+#include "src/core/lib/iomgr/ev_posix.h"
 
 static void on_readable(grpc_exec_ctx *exec_ctx, void *arg, bool success);
 
diff --git a/src/core/iomgr/workqueue_posix.h b/src/core/lib/iomgr/workqueue_posix.h
similarity index 88%
rename from src/core/iomgr/workqueue_posix.h
rename to src/core/lib/iomgr/workqueue_posix.h
index 68f195ee0d266892e0a39836e2cf4a30644761f6..dcb47e7b59d3c3e8d0695735a5a828282be60530 100644
--- a/src/core/iomgr/workqueue_posix.h
+++ b/src/core/lib/iomgr/workqueue_posix.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_POSIX_H
+#ifndef GRPC_CORE_LIB_IOMGR_WORKQUEUE_POSIX_H
+#define GRPC_CORE_LIB_IOMGR_WORKQUEUE_POSIX_H
 
-#include "src/core/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
 
 struct grpc_fd;
 
@@ -50,4 +50,4 @@ struct grpc_workqueue {
   grpc_closure read_closure;
 };
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_POSIX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_WORKQUEUE_POSIX_H */
diff --git a/src/core/iomgr/workqueue_windows.c b/src/core/lib/iomgr/workqueue_windows.c
similarity index 97%
rename from src/core/iomgr/workqueue_windows.c
rename to src/core/lib/iomgr/workqueue_windows.c
index f9ca57557b5523ed541ea05f53d951d4a79261d3..c3c0446a57d5b203f551c689b84db87d6b3fce1f 100644
--- a/src/core/iomgr/workqueue_windows.c
+++ b/src/core/lib/iomgr/workqueue_windows.c
@@ -35,6 +35,6 @@
 
 #ifdef GPR_WIN32
 
-#include "src/core/iomgr/workqueue.h"
+#include "src/core/lib/iomgr/workqueue.h"
 
 #endif /* GPR_WIN32 */
diff --git a/src/core/iomgr/workqueue_windows.h b/src/core/lib/iomgr/workqueue_windows.h
similarity index 90%
rename from src/core/iomgr/workqueue_windows.h
rename to src/core/lib/iomgr/workqueue_windows.h
index 941f195f51403a46f18cb24e15de8e879b0fef19..e5d59130bb6badc103782de0ba63553166bf9baf 100644
--- a/src/core/iomgr/workqueue_windows.h
+++ b/src/core/lib/iomgr/workqueue_windows.h
@@ -31,7 +31,7 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_WINDOWS_H
-#define GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_WINDOWS_H
+#ifndef GRPC_CORE_LIB_IOMGR_WORKQUEUE_WINDOWS_H
+#define GRPC_CORE_LIB_IOMGR_WORKQUEUE_WINDOWS_H
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_WINDOWS_H */
+#endif /* GRPC_CORE_LIB_IOMGR_WORKQUEUE_WINDOWS_H */
diff --git a/src/core/json/json.c b/src/core/lib/json/json.c
similarity index 98%
rename from src/core/json/json.c
rename to src/core/lib/json/json.c
index 96e11eebb1116ceacdae7c549882415d6047b19c..5b583a1f2e0f235294d200e2c37fb50ca389cba0 100644
--- a/src/core/json/json.c
+++ b/src/core/lib/json/json.c
@@ -35,7 +35,7 @@
 
 #include <grpc/support/alloc.h>
 
-#include "src/core/json/json.h"
+#include "src/core/lib/json/json.h"
 
 grpc_json *grpc_json_create(grpc_json_type type) {
   grpc_json *json = gpr_malloc(sizeof(*json));
diff --git a/src/core/json/json.h b/src/core/lib/json/json.h
similarity index 95%
rename from src/core/json/json.h
rename to src/core/lib/json/json.h
index c4df2998c3a9ea69b3fbc59baf58c4dfd3c408f9..681df4bb77da579245b8a2e47eccef2a2dfadb61 100644
--- a/src/core/json/json.h
+++ b/src/core/lib/json/json.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_JSON_JSON_H
-#define GRPC_INTERNAL_CORE_JSON_JSON_H
+#ifndef GRPC_CORE_LIB_JSON_JSON_H
+#define GRPC_CORE_LIB_JSON_JSON_H
 
 #include <stdlib.h>
 
-#include "src/core/json/json_common.h"
+#include "src/core/lib/json/json_common.h"
 
 /* A tree-like structure to hold json values. The key and value pointers
  * are not owned by it.
@@ -85,4 +85,4 @@ char *grpc_json_dump_to_string(grpc_json *json, int indent);
 grpc_json *grpc_json_create(grpc_json_type type);
 void grpc_json_destroy(grpc_json *json);
 
-#endif /* GRPC_INTERNAL_CORE_JSON_JSON_H */
+#endif /* GRPC_CORE_LIB_JSON_JSON_H */
diff --git a/src/core/json/json_common.h b/src/core/lib/json/json_common.h
similarity index 92%
rename from src/core/json/json_common.h
rename to src/core/lib/json/json_common.h
index 481695b38b8412c21235aa22c4cface56c70b344..fa13088be958b8cbdb59d2baa70df881ea2027c7 100644
--- a/src/core/json/json_common.h
+++ b/src/core/lib/json/json_common.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_JSON_JSON_COMMON_H
-#define GRPC_INTERNAL_CORE_JSON_JSON_COMMON_H
+#ifndef GRPC_CORE_LIB_JSON_JSON_COMMON_H
+#define GRPC_CORE_LIB_JSON_JSON_COMMON_H
 
 /* The various json types. */
 typedef enum {
@@ -46,4 +46,4 @@ typedef enum {
   GRPC_JSON_TOP_LEVEL
 } grpc_json_type;
 
-#endif /* GRPC_INTERNAL_CORE_JSON_JSON_COMMON_H */
+#endif /* GRPC_CORE_LIB_JSON_JSON_COMMON_H */
diff --git a/src/core/json/json_reader.c b/src/core/lib/json/json_reader.c
similarity index 98%
rename from src/core/json/json_reader.c
rename to src/core/lib/json/json_reader.c
index aa654dfc0e207151d77345a971b74397f01afb0d..5b42ca53ff5b578b0909d4f29383d62ef2d770dd 100644
--- a/src/core/json/json_reader.c
+++ b/src/core/lib/json/json_reader.c
@@ -37,7 +37,7 @@
 
 #include <grpc/support/log.h>
 
-#include "src/core/json/json_reader.h"
+#include "src/core/lib/json/json_reader.h"
 
 static void json_reader_string_clear(grpc_json_reader *reader) {
   reader->vtable->string_clear(reader->userdata);
@@ -181,6 +181,13 @@ grpc_json_reader_status grpc_json_reader_run(grpc_json_reader *reader) {
           case GRPC_JSON_STATE_VALUE_NUMBER_WITH_DECIMAL:
           case GRPC_JSON_STATE_VALUE_NUMBER_ZERO:
           case GRPC_JSON_STATE_VALUE_NUMBER_EPM:
+            if (reader->depth == 0) {
+              return GRPC_JSON_PARSE_ERROR;
+            } else if ((c == '}') && !reader->in_object) {
+              return GRPC_JSON_PARSE_ERROR;
+            } else if ((c == ']') && !reader->in_array) {
+              return GRPC_JSON_PARSE_ERROR;
+            }
             success = (uint32_t)json_reader_set_number(reader);
             if (!success) return GRPC_JSON_PARSE_ERROR;
             json_reader_string_clear(reader);
@@ -196,8 +203,10 @@ grpc_json_reader_status grpc_json_reader_run(grpc_json_reader *reader) {
               }
               if (reader->in_object) {
                 reader->state = GRPC_JSON_STATE_OBJECT_KEY_BEGIN;
-              } else {
+              } else if (reader->in_array) {
                 reader->state = GRPC_JSON_STATE_VALUE_BEGIN;
+              } else {
+                return GRPC_JSON_PARSE_ERROR;
               }
             } else {
               if (reader->depth-- == 0) return GRPC_JSON_PARSE_ERROR;
diff --git a/src/core/json/json_reader.h b/src/core/lib/json/json_reader.h
similarity index 97%
rename from src/core/json/json_reader.h
rename to src/core/lib/json/json_reader.h
index 90b9f1f9fead95b693e9a7ac93286631f0b47e83..e0322c5507f7c8ccc153ebaf2602ce460a05fd3d 100644
--- a/src/core/json/json_reader.h
+++ b/src/core/lib/json/json_reader.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_JSON_JSON_READER_H
-#define GRPC_INTERNAL_CORE_JSON_JSON_READER_H
+#ifndef GRPC_CORE_LIB_JSON_JSON_READER_H
+#define GRPC_CORE_LIB_JSON_JSON_READER_H
 
 #include <grpc/support/port_platform.h>
-#include "src/core/json/json_common.h"
+#include "src/core/lib/json/json_common.h"
 
 typedef enum {
   GRPC_JSON_STATE_OBJECT_KEY_BEGIN,
@@ -157,4 +157,4 @@ void grpc_json_reader_init(grpc_json_reader *reader,
  */
 int grpc_json_reader_is_complete(grpc_json_reader *reader);
 
-#endif /* GRPC_INTERNAL_CORE_JSON_JSON_READER_H */
+#endif /* GRPC_CORE_LIB_JSON_JSON_READER_H */
diff --git a/src/core/json/json_string.c b/src/core/lib/json/json_string.c
similarity index 99%
rename from src/core/json/json_string.c
rename to src/core/lib/json/json_string.c
index 2bc0b513d5ce3dac6b251136aa51cad7f21c3d93..4af7ee7179c1b44a081b1fd40f8e89fe3bc3051e 100644
--- a/src/core/json/json_string.c
+++ b/src/core/lib/json/json_string.c
@@ -31,15 +31,15 @@
  *
  */
 
-#include <string.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/json/json.h"
-#include "src/core/json/json_reader.h"
-#include "src/core/json/json_writer.h"
+#include "src/core/lib/json/json.h"
+#include "src/core/lib/json/json_reader.h"
+#include "src/core/lib/json/json_writer.h"
 
 /* The json reader will construct a bunch of grpc_json objects and
  * link them all up together in a tree-like structure that will represent
diff --git a/src/core/json/json_writer.c b/src/core/lib/json/json_writer.c
similarity index 99%
rename from src/core/json/json_writer.c
rename to src/core/lib/json/json_writer.c
index 326ec2d431f0613b131f32941c39674802023750..b6a17f41e855cef0abd0a62bfdb9509fcf9c31ed 100644
--- a/src/core/json/json_writer.c
+++ b/src/core/lib/json/json_writer.c
@@ -35,7 +35,7 @@
 
 #include <grpc/support/port_platform.h>
 
-#include "src/core/json/json_writer.h"
+#include "src/core/lib/json/json_writer.h"
 
 static void json_writer_output_char(grpc_json_writer *writer, char c) {
   writer->vtable->output_char(writer->userdata, c);
diff --git a/src/core/json/json_writer.h b/src/core/lib/json/json_writer.h
similarity index 95%
rename from src/core/json/json_writer.h
rename to src/core/lib/json/json_writer.h
index 9ef04aab012a787e12572a2230db4c082dfddb09..faeb41d0316c764cbed2dcc7e5749f82306ca102 100644
--- a/src/core/json/json_writer.h
+++ b/src/core/lib/json/json_writer.h
@@ -43,12 +43,12 @@
  * a valid UTF-8 string overall.
  */
 
-#ifndef GRPC_INTERNAL_CORE_JSON_JSON_WRITER_H
-#define GRPC_INTERNAL_CORE_JSON_JSON_WRITER_H
+#ifndef GRPC_CORE_LIB_JSON_JSON_WRITER_H
+#define GRPC_CORE_LIB_JSON_JSON_WRITER_H
 
 #include <stdlib.h>
 
-#include "src/core/json/json_common.h"
+#include "src/core/lib/json/json_common.h"
 
 typedef struct grpc_json_writer_vtable {
   /* Adds a character to the output stream. */
@@ -94,4 +94,4 @@ void grpc_json_writer_value_raw_with_len(grpc_json_writer *writer,
 void grpc_json_writer_value_string(grpc_json_writer *writer,
                                    const char *string);
 
-#endif /* GRPC_INTERNAL_CORE_JSON_JSON_WRITER_H */
+#endif /* GRPC_CORE_LIB_JSON_JSON_WRITER_H */
diff --git a/src/core/profiling/basic_timers.c b/src/core/lib/profiling/basic_timers.c
similarity index 98%
rename from src/core/profiling/basic_timers.c
rename to src/core/lib/profiling/basic_timers.c
index df32472d1c7257fbe388c0b42400aad6068824a6..50082cd7ee40329f1c03402b7bab4057cf7473a3 100644
--- a/src/core/profiling/basic_timers.c
+++ b/src/core/lib/profiling/basic_timers.c
@@ -35,13 +35,13 @@
 
 #ifdef GRPC_BASIC_PROFILER
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/time.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <stdio.h>
 
 typedef enum { BEGIN = '{', END = '}', MARK = '.' } marker_type;
@@ -208,6 +208,7 @@ static void init_output() {
 }
 
 static void rotate_log() {
+  /* Using malloc here, as this code could end up being called by gpr_malloc */
   gpr_timer_log *new = malloc(sizeof(*new));
   gpr_once_init(&g_once_init, init_output);
   new->num_entries = 0;
diff --git a/src/core/profiling/stap_probes.d b/src/core/lib/profiling/stap_probes.d
similarity index 100%
rename from src/core/profiling/stap_probes.d
rename to src/core/lib/profiling/stap_probes.d
diff --git a/src/core/profiling/stap_timers.c b/src/core/lib/profiling/stap_timers.c
similarity index 96%
rename from src/core/profiling/stap_timers.c
rename to src/core/lib/profiling/stap_timers.c
index efcd1af4a1c8a6599954ecf441b8dfa3e3ea8cd2..25e38e6d99affc2aaf532cf4a16b36f6d3502ee6 100644
--- a/src/core/profiling/stap_timers.c
+++ b/src/core/lib/profiling/stap_timers.c
@@ -35,11 +35,11 @@
 
 #ifdef GRPC_STAP_PROFILER
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 
 #include <sys/sdt.h>
 /* Generated from src/core/profiling/stap_probes.d */
-#include "src/core/profiling/stap_probes.h"
+#include "src/core/lib/profiling/stap_probes.h"
 
 /* Latency profiler API implementation. */
 void gpr_timer_add_mark(int tag, const char *tagstr, void *id, const char *file,
diff --git a/src/core/profiling/timers.h b/src/core/lib/profiling/timers.h
similarity index 96%
rename from src/core/profiling/timers.h
rename to src/core/lib/profiling/timers.h
index 6a188dc56648bd65b45f4db3d2b8fb799dc5b488..c8567e813725f73c9636fabcf215099835ddda80 100644
--- a/src/core/profiling/timers.h
+++ b/src/core/lib/profiling/timers.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_CORE_PROFILING_TIMERS_H
-#define GRPC_CORE_PROFILING_TIMERS_H
+#ifndef GRPC_CORE_LIB_PROFILING_TIMERS_H
+#define GRPC_CORE_LIB_PROFILING_TIMERS_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -116,4 +116,4 @@ class ProfileScope {
 #endif
 #endif
 
-#endif /* GRPC_CORE_PROFILING_TIMERS_H */
+#endif /* GRPC_CORE_LIB_PROFILING_TIMERS_H */
diff --git a/src/core/security/auth_filters.h b/src/core/lib/security/auth_filters.h
similarity index 89%
rename from src/core/security/auth_filters.h
rename to src/core/lib/security/auth_filters.h
index c179b54bec28af87f398fa679c4f248b87ba01aa..7fb56c3f3afb27c0c38f8cb6d67e3d450b85a675 100644
--- a/src/core/security/auth_filters.h
+++ b/src/core/lib/security/auth_filters.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_AUTH_FILTERS_H
-#define GRPC_INTERNAL_CORE_SECURITY_AUTH_FILTERS_H
+#ifndef GRPC_CORE_LIB_SECURITY_AUTH_FILTERS_H
+#define GRPC_CORE_LIB_SECURITY_AUTH_FILTERS_H
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 extern const grpc_channel_filter grpc_client_auth_filter;
 extern const grpc_channel_filter grpc_server_auth_filter;
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_AUTH_FILTERS_H */
+#endif /* GRPC_CORE_LIB_SECURITY_AUTH_FILTERS_H */
diff --git a/src/core/security/b64.c b/src/core/lib/security/b64.c
similarity index 99%
rename from src/core/security/b64.c
rename to src/core/lib/security/b64.c
index c40b528e2f56650876d66e285b7be3acb5e6f606..87f0e05280e5ba9b0776706c2d5ce3bdc72677d4 100644
--- a/src/core/security/b64.c
+++ b/src/core/lib/security/b64.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/b64.h"
+#include "src/core/lib/security/b64.h"
 
 #include <stdint.h>
 #include <string.h>
diff --git a/src/core/security/b64.h b/src/core/lib/security/b64.h
similarity index 92%
rename from src/core/security/b64.h
rename to src/core/lib/security/b64.h
index 3e3b52112093c6fcc1426c982e31fbc646ff904f..c515e7af2c99adab6b92e21d275f5e3d30d50e84 100644
--- a/src/core/security/b64.h
+++ b/src/core/lib/security/b64.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_BASE64_H
-#define GRPC_INTERNAL_CORE_SECURITY_BASE64_H
+#ifndef GRPC_CORE_LIB_SECURITY_B64_H
+#define GRPC_CORE_LIB_SECURITY_B64_H
 
 #include <grpc/support/slice.h>
 
@@ -49,4 +49,4 @@ gpr_slice grpc_base64_decode(const char *b64, int url_safe);
 gpr_slice grpc_base64_decode_with_len(const char *b64, size_t b64_len,
                                       int url_safe);
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_BASE64_H */
+#endif /* GRPC_CORE_LIB_SECURITY_B64_H */
diff --git a/src/core/security/client_auth_filter.c b/src/core/lib/security/client_auth_filter.c
similarity index 94%
rename from src/core/security/client_auth_filter.c
rename to src/core/lib/security/client_auth_filter.c
index 332d4259d2843fee3f8cf013339beb83f1859c6f..943b1da85c60dc0c22714d5b2122ddbe59452435 100644
--- a/src/core/security/client_auth_filter.c
+++ b/src/core/lib/security/client_auth_filter.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/auth_filters.h"
+#include "src/core/lib/security/auth_filters.h"
 
 #include <string.h>
 
@@ -39,13 +39,13 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/security/credentials.h"
-#include "src/core/security/security_connector.h"
-#include "src/core/security/security_context.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/call.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/security_connector.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/call.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 #define MAX_CREDENTIALS_METADATA_COUNT 4
 
@@ -172,7 +172,7 @@ static void send_security_metadata(grpc_exec_ctx *exec_ctx,
     calld->creds = grpc_composite_call_credentials_create(channel_call_creds,
                                                           ctx->creds, NULL);
     if (calld->creds == NULL) {
-      bubble_up_error(exec_ctx, elem, GRPC_STATUS_INVALID_ARGUMENT,
+      bubble_up_error(exec_ctx, elem, GRPC_STATUS_INTERNAL,
                       "Incompatible credentials set on channel and call.");
       return;
     }
@@ -201,7 +201,7 @@ static void on_host_checked(grpc_exec_ctx *exec_ctx, void *user_data,
     char *error_msg;
     gpr_asprintf(&error_msg, "Invalid host %s set in :authority metadata.",
                  grpc_mdstr_as_c_string(calld->host));
-    bubble_up_error(exec_ctx, elem, GRPC_STATUS_INVALID_ARGUMENT, error_msg);
+    bubble_up_error(exec_ctx, elem, GRPC_STATUS_INTERNAL, error_msg);
     gpr_free(error_msg);
   }
 }
@@ -331,6 +331,6 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
 
 const grpc_channel_filter grpc_client_auth_filter = {
     auth_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, set_pollset, destroy_call_elem, sizeof(channel_data),
-    init_channel_elem, destroy_channel_elem, grpc_call_next_get_peer,
-    "client-auth"};
+    init_call_elem,          set_pollset,          destroy_call_elem,
+    sizeof(channel_data),    init_channel_elem,    destroy_channel_elem,
+    grpc_call_next_get_peer, "client-auth"};
diff --git a/src/core/security/credentials.c b/src/core/lib/security/credentials.c
similarity index 96%
rename from src/core/security/credentials.c
rename to src/core/lib/security/credentials.c
index b4fa616fa7ebe955ebd180f4f16e028bf9c44035..fd5ad3589b78ddf44692aaa652cbe05154e932a5 100644
--- a/src/core/security/credentials.c
+++ b/src/core/lib/security/credentials.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,18 +31,19 @@
  *
  */
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/iomgr/executor.h"
-#include "src/core/json/json.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/api_trace.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/http/parser.h"
+#include "src/core/lib/iomgr/executor.h"
+#include "src/core/lib/json/json.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -337,10 +338,11 @@ static void ssl_build_config(const char *pem_root_certs,
 
 static void ssl_build_server_config(
     const char *pem_root_certs, grpc_ssl_pem_key_cert_pair *pem_key_cert_pairs,
-    size_t num_key_cert_pairs, int force_client_auth,
+    size_t num_key_cert_pairs,
+    grpc_ssl_client_certificate_request_type client_certificate_request,
     grpc_ssl_server_config *config) {
   size_t i;
-  config->force_client_auth = force_client_auth;
+  config->client_certificate_request = client_certificate_request;
   if (pem_root_certs != NULL) {
     ssl_copy_key_material(pem_root_certs, &config->pem_root_certs,
                           &config->pem_root_certs_size);
@@ -390,21 +392,35 @@ grpc_channel_credentials *grpc_ssl_credentials_create(
 grpc_server_credentials *grpc_ssl_server_credentials_create(
     const char *pem_root_certs, grpc_ssl_pem_key_cert_pair *pem_key_cert_pairs,
     size_t num_key_cert_pairs, int force_client_auth, void *reserved) {
+  return grpc_ssl_server_credentials_create_ex(
+      pem_root_certs, pem_key_cert_pairs, num_key_cert_pairs,
+      force_client_auth
+          ? GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY
+          : GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE,
+      reserved);
+}
+
+grpc_server_credentials *grpc_ssl_server_credentials_create_ex(
+    const char *pem_root_certs, grpc_ssl_pem_key_cert_pair *pem_key_cert_pairs,
+    size_t num_key_cert_pairs,
+    grpc_ssl_client_certificate_request_type client_certificate_request,
+    void *reserved) {
   grpc_ssl_server_credentials *c =
       gpr_malloc(sizeof(grpc_ssl_server_credentials));
   GRPC_API_TRACE(
-      "grpc_ssl_server_credentials_create("
+      "grpc_ssl_server_credentials_create_ex("
       "pem_root_certs=%s, pem_key_cert_pairs=%p, num_key_cert_pairs=%lu, "
-      "force_client_auth=%d, reserved=%p)",
+      "client_certificate_request=%d, reserved=%p)",
       5, (pem_root_certs, pem_key_cert_pairs, (unsigned long)num_key_cert_pairs,
-          force_client_auth, reserved));
+          client_certificate_request, reserved));
   GPR_ASSERT(reserved == NULL);
   memset(c, 0, sizeof(grpc_ssl_server_credentials));
   c->base.type = GRPC_CHANNEL_CREDENTIALS_TYPE_SSL;
   gpr_ref_init(&c->base.refcount, 1);
   c->base.vtable = &ssl_server_vtable;
   ssl_build_server_config(pem_root_certs, pem_key_cert_pairs,
-                          num_key_cert_pairs, force_client_auth, &c->config);
+                          num_key_cert_pairs, client_certificate_request,
+                          &c->config);
   return &c->base;
 }
 
@@ -539,7 +555,7 @@ static void oauth2_token_fetcher_destruct(grpc_call_credentials *creds) {
 
 grpc_credentials_status
 grpc_oauth2_token_fetcher_credentials_parse_server_response(
-    const grpc_httpcli_response *response, grpc_credentials_md_store **token_md,
+    const grpc_http_response *response, grpc_credentials_md_store **token_md,
     gpr_timespec *token_lifetime) {
   char *null_terminated_body = NULL;
   char *new_access_token = NULL;
@@ -629,7 +645,7 @@ end:
 
 static void on_oauth2_token_fetcher_http_response(
     grpc_exec_ctx *exec_ctx, void *user_data,
-    const grpc_httpcli_response *response) {
+    const grpc_http_response *response) {
   grpc_credentials_metadata_request *r =
       (grpc_credentials_metadata_request *)user_data;
   grpc_oauth2_token_fetcher_credentials *c =
@@ -706,13 +722,13 @@ static void compute_engine_fetch_oauth2(
     grpc_exec_ctx *exec_ctx, grpc_credentials_metadata_request *metadata_req,
     grpc_httpcli_context *httpcli_context, grpc_pollset *pollset,
     grpc_httpcli_response_cb response_cb, gpr_timespec deadline) {
-  grpc_httpcli_header header = {"Metadata-Flavor", "Google"};
+  grpc_http_header header = {"Metadata-Flavor", "Google"};
   grpc_httpcli_request request;
   memset(&request, 0, sizeof(grpc_httpcli_request));
   request.host = GRPC_COMPUTE_ENGINE_METADATA_HOST;
-  request.path = GRPC_COMPUTE_ENGINE_METADATA_TOKEN_PATH;
-  request.hdr_count = 1;
-  request.hdrs = &header;
+  request.http.path = GRPC_COMPUTE_ENGINE_METADATA_TOKEN_PATH;
+  request.http.hdr_count = 1;
+  request.http.hdrs = &header;
   grpc_httpcli_get(exec_ctx, httpcli_context, pollset, &request, deadline,
                    response_cb, metadata_req);
 }
@@ -747,8 +763,8 @@ static void refresh_token_fetch_oauth2(
     grpc_httpcli_response_cb response_cb, gpr_timespec deadline) {
   grpc_google_refresh_token_credentials *c =
       (grpc_google_refresh_token_credentials *)metadata_req->creds;
-  grpc_httpcli_header header = {"Content-Type",
-                                "application/x-www-form-urlencoded"};
+  grpc_http_header header = {"Content-Type",
+                             "application/x-www-form-urlencoded"};
   grpc_httpcli_request request;
   char *body = NULL;
   gpr_asprintf(&body, GRPC_REFRESH_TOKEN_POST_BODY_FORMAT_STRING,
@@ -756,9 +772,9 @@ static void refresh_token_fetch_oauth2(
                c->refresh_token.refresh_token);
   memset(&request, 0, sizeof(grpc_httpcli_request));
   request.host = GRPC_GOOGLE_OAUTH2_SERVICE_HOST;
-  request.path = GRPC_GOOGLE_OAUTH2_SERVICE_TOKEN_PATH;
-  request.hdr_count = 1;
-  request.hdrs = &header;
+  request.http.path = GRPC_GOOGLE_OAUTH2_SERVICE_TOKEN_PATH;
+  request.http.hdr_count = 1;
+  request.http.hdrs = &header;
   request.handshaker = &grpc_httpcli_ssl;
   grpc_httpcli_post(exec_ctx, httpcli_context, pollset, &request, body,
                     strlen(body), deadline, response_cb, metadata_req);
diff --git a/src/core/security/credentials.h b/src/core/lib/security/credentials.h
similarity index 96%
rename from src/core/security/credentials.h
rename to src/core/lib/security/credentials.h
index 0de4cd94689b2fb69c377c6febe13838fbb09705..0373ceaa3fc5c3157fe752967e9d1797bd0b787e 100644
--- a/src/core/security/credentials.h
+++ b/src/core/lib/security/credentials.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,19 +31,20 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_CREDENTIALS_H
-#define GRPC_INTERNAL_CORE_SECURITY_CREDENTIALS_H
+#ifndef GRPC_CORE_LIB_SECURITY_CREDENTIALS_H
+#define GRPC_CORE_LIB_SECURITY_CREDENTIALS_H
 
-#include "src/core/transport/metadata_batch.h"
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/sync.h>
+#include "src/core/lib/transport/metadata_batch.h"
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/security/json_token.h"
-#include "src/core/security/security_connector.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/http/parser.h"
+#include "src/core/lib/security/json_token.h"
+#include "src/core/lib/security/security_connector.h"
 
-struct grpc_httpcli_response;
+struct grpc_http_response;
 
 /* --- Constants. --- */
 
@@ -207,7 +208,7 @@ grpc_call_credentials *grpc_credentials_contains_type(
 /* Exposed for testing only. */
 grpc_credentials_status
 grpc_oauth2_token_fetcher_credentials_parse_server_response(
-    const struct grpc_httpcli_response *response,
+    const struct grpc_http_response *response,
     grpc_credentials_md_store **token_md, gpr_timespec *token_lifetime);
 
 void grpc_flush_cached_google_default_credentials(void);
@@ -373,4 +374,4 @@ typedef struct {
   grpc_credentials_md_store *plugin_md;
 } grpc_plugin_credentials;
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_CREDENTIALS_H */
+#endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_H */
diff --git a/src/core/security/credentials_metadata.c b/src/core/lib/security/credentials_metadata.c
similarity index 98%
rename from src/core/security/credentials_metadata.c
rename to src/core/lib/security/credentials_metadata.c
index b8a132f1eaf39d29846adc4635fed0c194cb7e44..bd00194278e84b63b345f49a233e2241e07cc6ba 100644
--- a/src/core/security/credentials_metadata.c
+++ b/src/core/lib/security/credentials_metadata.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 #include <grpc/support/alloc.h>
 
diff --git a/src/core/security/credentials_posix.c b/src/core/lib/security/credentials_posix.c
similarity index 94%
rename from src/core/security/credentials_posix.c
rename to src/core/lib/security/credentials_posix.c
index 0c92bd4a96bcfa741284b7985e16b1e1ddbf28e7..a07de182a0d55fce8e33b6954934e15e44eb9333 100644
--- a/src/core/security/credentials_posix.c
+++ b/src/core/lib/security/credentials_posix.c
@@ -35,14 +35,14 @@
 
 #ifdef GPR_POSIX_FILE
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/env.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
 
 char *grpc_get_well_known_google_credentials_file_path_impl(void) {
   char *result = NULL;
diff --git a/src/core/security/credentials_win32.c b/src/core/lib/security/credentials_win32.c
similarity index 94%
rename from src/core/security/credentials_win32.c
rename to src/core/lib/security/credentials_win32.c
index 8ee9f706a1f2d90d02cd111f5cdd9bd17824e69a..d29847af38ad40e1d8051bbe146098c027842d71 100644
--- a/src/core/security/credentials_win32.c
+++ b/src/core/lib/security/credentials_win32.c
@@ -35,14 +35,14 @@
 
 #ifdef GPR_WIN32
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/env.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
 
 char *grpc_get_well_known_google_credentials_file_path_impl(void) {
   char *result = NULL;
diff --git a/src/core/security/google_default_credentials.c b/src/core/lib/security/google_default_credentials.c
similarity index 95%
rename from src/core/security/google_default_credentials.c
rename to src/core/lib/security/google_default_credentials.c
index 1f4f3e4aa52ef8dc3758db6dac08097859ad5560..236f1d7fa7e8f778d045b858727baad6e3c96fa5 100644
--- a/src/core/security/google_default_credentials.c
+++ b/src/core/lib/security/google_default_credentials.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 #include <string.h>
 
@@ -39,10 +39,11 @@
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/support/env.h"
-#include "src/core/support/load_file.h"
-#include "src/core/surface/api_trace.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/http/parser.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/load_file.h"
+#include "src/core/lib/surface/api_trace.h"
 
 /* -- Constants. -- */
 
@@ -66,14 +67,14 @@ typedef struct {
 
 static void on_compute_engine_detection_http_response(
     grpc_exec_ctx *exec_ctx, void *user_data,
-    const grpc_httpcli_response *response) {
+    const grpc_http_response *response) {
   compute_engine_detector *detector = (compute_engine_detector *)user_data;
   if (response != NULL && response->status == 200 && response->hdr_count > 0) {
     /* Internet providers can return a generic response to all requests, so
        it is necessary to check that metadata header is present also. */
     size_t i;
     for (i = 0; i < response->hdr_count; i++) {
-      grpc_httpcli_header *header = &response->hdrs[i];
+      grpc_http_header *header = &response->hdrs[i];
       if (strcmp(header->key, "Metadata-Flavor") == 0 &&
           strcmp(header->value, "Google") == 0) {
         detector->success = 1;
@@ -109,7 +110,7 @@ static int is_stack_running_on_compute_engine(void) {
 
   memset(&request, 0, sizeof(grpc_httpcli_request));
   request.host = GRPC_COMPUTE_ENGINE_DETECTION_HOST;
-  request.path = "/";
+  request.http.path = "/";
 
   grpc_httpcli_context_init(&context);
 
diff --git a/src/core/security/handshake.c b/src/core/lib/security/handshake.c
similarity index 98%
rename from src/core/security/handshake.c
rename to src/core/lib/security/handshake.c
index b5bb6667a71f075a7ec5c37a08c9d056c4f0ccf1..d5fe0c7b7d93560284ed82585205a0c4e1d82f37 100644
--- a/src/core/security/handshake.c
+++ b/src/core/lib/security/handshake.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,16 +31,16 @@
  *
  */
 
-#include "src/core/security/handshake.h"
+#include "src/core/lib/security/handshake.h"
 
 #include <stdbool.h>
 #include <string.h>
 
-#include "src/core/security/security_context.h"
-#include "src/core/security/secure_endpoint.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice_buffer.h>
+#include "src/core/lib/security/secure_endpoint.h"
+#include "src/core/lib/security/security_context.h"
 
 #define GRPC_INITIAL_HANDSHAKE_BUFFER_SIZE 256
 
diff --git a/src/core/security/handshake.h b/src/core/lib/security/handshake.h
similarity index 88%
rename from src/core/security/handshake.h
rename to src/core/lib/security/handshake.h
index db8b3749215b95a1a79b0775d1a6e15d8e2eb64f..f34476ed49d777d65d55c6ff0ead98d37d4120a3 100644
--- a/src/core/security/handshake.h
+++ b/src/core/lib/security/handshake.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_HANDSHAKE_H
-#define GRPC_INTERNAL_CORE_SECURITY_HANDSHAKE_H
+#ifndef GRPC_CORE_LIB_SECURITY_HANDSHAKE_H
+#define GRPC_CORE_LIB_SECURITY_HANDSHAKE_H
 
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/security/security_connector.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/security/security_connector.h"
 
 /* Calls the callback upon completion. Takes owership of handshaker. */
 void grpc_do_security_handshake(grpc_exec_ctx *exec_ctx,
@@ -48,4 +48,4 @@ void grpc_do_security_handshake(grpc_exec_ctx *exec_ctx,
 
 void grpc_security_handshake_shutdown(grpc_exec_ctx *exec_ctx, void *handshake);
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_HANDSHAKE_H */
+#endif /* GRPC_CORE_LIB_SECURITY_HANDSHAKE_H */
diff --git a/src/core/security/json_token.c b/src/core/lib/security/json_token.c
similarity index 98%
rename from src/core/security/json_token.c
rename to src/core/lib/security/json_token.c
index 372e5bfc5aba3dca48031fd18dde37bcb92ef9d4..d5bc2c8d6081d3b0c8567c3e1c89496922ff447e 100644
--- a/src/core/security/json_token.c
+++ b/src/core/lib/security/json_token.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/json_token.h"
+#include "src/core/lib/security/json_token.h"
 
 #include <string.h>
 
@@ -39,8 +39,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/security/b64.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/security/b64.h"
+#include "src/core/lib/support/string.h"
 
 #include <openssl/bio.h>
 #include <openssl/evp.h>
diff --git a/src/core/security/json_token.h b/src/core/lib/security/json_token.h
similarity index 95%
rename from src/core/security/json_token.h
rename to src/core/lib/security/json_token.h
index 7e06864ff3adb5c013e2fab49c2619d2ebdb1b67..123fa652fd808079961589fa2887f2e7bf940580 100644
--- a/src/core/security/json_token.h
+++ b/src/core/lib/security/json_token.h
@@ -31,13 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_JSON_TOKEN_H
-#define GRPC_INTERNAL_CORE_SECURITY_JSON_TOKEN_H
+#ifndef GRPC_CORE_LIB_SECURITY_JSON_TOKEN_H
+#define GRPC_CORE_LIB_SECURITY_JSON_TOKEN_H
 
 #include <grpc/support/slice.h>
 #include <openssl/rsa.h>
 
-#include "src/core/json/json.h"
+#include "src/core/lib/json/json.h"
 
 /* --- Constants. --- */
 
@@ -115,4 +115,4 @@ grpc_auth_refresh_token grpc_auth_refresh_token_create_from_json(
 /* Destructs the object. */
 void grpc_auth_refresh_token_destruct(grpc_auth_refresh_token *refresh_token);
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_JSON_TOKEN_H */
+#endif /* GRPC_CORE_LIB_SECURITY_JSON_TOKEN_H */
diff --git a/src/core/security/jwt_verifier.c b/src/core/lib/security/jwt_verifier.c
similarity index 97%
rename from src/core/security/jwt_verifier.c
rename to src/core/lib/security/jwt_verifier.c
index 928c6c148dedc24d25a6a51b44ff9e5d7ca2721d..0e012294de76cd15f5dbafed357ca23e3c324066 100644
--- a/src/core/security/jwt_verifier.c
+++ b/src/core/lib/security/jwt_verifier.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,14 +31,14 @@
  *
  */
 
-#include "src/core/security/jwt_verifier.h"
+#include "src/core/lib/security/jwt_verifier.h"
 
 #include <limits.h>
 #include <string.h>
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/security/b64.h"
-#include "src/core/tsi/ssl_types.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/security/b64.h"
+#include "src/core/lib/tsi/ssl_types.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -635,11 +635,11 @@ static void on_openid_config_retrieved(grpc_exec_ctx *exec_ctx, void *user_data,
   jwks_uri += 8;
   req.handshaker = &grpc_httpcli_ssl;
   req.host = gpr_strdup(jwks_uri);
-  req.path = strchr(jwks_uri, '/');
-  if (req.path == NULL) {
-    req.path = "";
+  req.http.path = strchr(jwks_uri, '/');
+  if (req.http.path == NULL) {
+    req.http.path = "";
   } else {
-    *(req.host + (req.path - jwks_uri)) = '\0';
+    *(req.host + (req.http.path - jwks_uri)) = '\0';
   }
   grpc_httpcli_get(
       exec_ctx, &ctx->verifier->http_ctx, ctx->pollset, &req,
@@ -725,20 +725,20 @@ static void retrieve_key_and_verify(grpc_exec_ctx *exec_ctx,
     req.host = gpr_strdup(mapping->key_url_prefix);
     path_prefix = strchr(req.host, '/');
     if (path_prefix == NULL) {
-      gpr_asprintf(&req.path, "/%s", iss);
+      gpr_asprintf(&req.http.path, "/%s", iss);
     } else {
       *(path_prefix++) = '\0';
-      gpr_asprintf(&req.path, "/%s/%s", path_prefix, iss);
+      gpr_asprintf(&req.http.path, "/%s/%s", path_prefix, iss);
     }
     http_cb = on_keys_retrieved;
   } else {
     req.host = gpr_strdup(strstr(iss, "https://") == iss ? iss + 8 : iss);
     path_prefix = strchr(req.host, '/');
     if (path_prefix == NULL) {
-      req.path = gpr_strdup(GRPC_OPENID_CONFIG_URL_SUFFIX);
+      req.http.path = gpr_strdup(GRPC_OPENID_CONFIG_URL_SUFFIX);
     } else {
       *(path_prefix++) = 0;
-      gpr_asprintf(&req.path, "/%s%s", path_prefix,
+      gpr_asprintf(&req.http.path, "/%s%s", path_prefix,
                    GRPC_OPENID_CONFIG_URL_SUFFIX);
     }
     http_cb = on_openid_config_retrieved;
@@ -749,7 +749,7 @@ static void retrieve_key_and_verify(grpc_exec_ctx *exec_ctx,
       gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), grpc_jwt_verifier_max_delay),
       http_cb, ctx);
   gpr_free(req.host);
-  gpr_free(req.path);
+  gpr_free(req.http.path);
   return;
 
 error:
diff --git a/src/core/security/jwt_verifier.h b/src/core/lib/security/jwt_verifier.h
similarity index 96%
rename from src/core/security/jwt_verifier.h
rename to src/core/lib/security/jwt_verifier.h
index 25613f03a07f14c1e099f77831b72db14a1ffb4f..98a4f6b1162880f19ffb02fa06d2589821adeb03 100644
--- a/src/core/security/jwt_verifier.h
+++ b/src/core/lib/security/jwt_verifier.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_JWT_VERIFIER_H
-#define GRPC_INTERNAL_CORE_SECURITY_JWT_VERIFIER_H
+#ifndef GRPC_CORE_LIB_SECURITY_JWT_VERIFIER_H
+#define GRPC_CORE_LIB_SECURITY_JWT_VERIFIER_H
 
-#include "src/core/iomgr/pollset.h"
-#include "src/core/json/json.h"
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/json/json.h"
 
 #include <grpc/support/slice.h>
 #include <grpc/support/time.h>
@@ -133,4 +133,4 @@ grpc_jwt_claims *grpc_jwt_claims_from_json(grpc_json *json, gpr_slice buffer);
 grpc_jwt_verifier_status grpc_jwt_claims_check(const grpc_jwt_claims *claims,
                                                const char *audience);
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_JWT_VERIFIER_H */
+#endif /* GRPC_CORE_LIB_SECURITY_JWT_VERIFIER_H */
diff --git a/src/core/security/secure_endpoint.c b/src/core/lib/security/secure_endpoint.c
similarity index 97%
rename from src/core/security/secure_endpoint.c
rename to src/core/lib/security/secure_endpoint.c
index d11c43be203e51d6d2cc1e156ed82dc8d616bd9e..27b0e989107bcf938f537629e36d808dae0ce2a3 100644
--- a/src/core/security/secure_endpoint.c
+++ b/src/core/lib/security/secure_endpoint.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,15 +31,15 @@
  *
  */
 
-#include "src/core/security/secure_endpoint.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/security/secure_endpoint.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include <grpc/support/slice_buffer.h>
 #include <grpc/support/slice.h>
+#include <grpc/support/slice_buffer.h>
 #include <grpc/support/sync.h>
-#include "src/core/tsi/transport_security_interface.h"
-#include "src/core/debug/trace.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/tsi/transport_security_interface.h"
 
 #define STAGING_BUFFER_SIZE 8192
 
@@ -354,8 +354,9 @@ static char *endpoint_get_peer(grpc_endpoint *secure_ep) {
 }
 
 static const grpc_endpoint_vtable vtable = {
-    endpoint_read, endpoint_write, endpoint_add_to_pollset,
-    endpoint_add_to_pollset_set, endpoint_shutdown, endpoint_destroy,
+    endpoint_read,           endpoint_write,
+    endpoint_add_to_pollset, endpoint_add_to_pollset_set,
+    endpoint_shutdown,       endpoint_destroy,
     endpoint_get_peer};
 
 grpc_endpoint *grpc_secure_endpoint_create(
diff --git a/src/core/security/secure_endpoint.h b/src/core/lib/security/secure_endpoint.h
similarity index 90%
rename from src/core/security/secure_endpoint.h
rename to src/core/lib/security/secure_endpoint.h
index c563bdd9c505f42241ffbace849ce34c774efa8f..ff1c6639de6f185199cc9f4f6982037fdba5b0d9 100644
--- a/src/core/security/secure_endpoint.h
+++ b/src/core/lib/security/secure_endpoint.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_SECURE_ENDPOINT_H
-#define GRPC_INTERNAL_CORE_SECURITY_SECURE_ENDPOINT_H
+#ifndef GRPC_CORE_LIB_SECURITY_SECURE_ENDPOINT_H
+#define GRPC_CORE_LIB_SECURITY_SECURE_ENDPOINT_H
 
-#include "src/core/iomgr/endpoint.h"
 #include <grpc/support/slice.h>
+#include "src/core/lib/iomgr/endpoint.h"
 
 struct tsi_frame_protector;
 
@@ -46,4 +46,4 @@ grpc_endpoint *grpc_secure_endpoint_create(
     struct tsi_frame_protector *protector, grpc_endpoint *to_wrap,
     gpr_slice *leftover_slices, size_t leftover_nslices);
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_SECURE_ENDPOINT_H */
+#endif /* GRPC_CORE_LIB_SECURITY_SECURE_ENDPOINT_H */
diff --git a/src/core/security/security_connector.c b/src/core/lib/security/security_connector.c
similarity index 92%
rename from src/core/security/security_connector.c
rename to src/core/lib/security/security_connector.c
index 33c62a20c2094fba3c0446d9233f8818f311c088..2d2023bdf5b942077c0208ad324fc6bfaf1b7df4 100644
--- a/src/core/security/security_connector.c
+++ b/src/core/lib/security/security_connector.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/security_connector.h"
+#include "src/core/lib/security/security_connector.h"
 
 #include <stdbool.h>
 #include <string.h>
@@ -42,16 +42,16 @@
 #include <grpc/support/slice_buffer.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/security/credentials.h"
-#include "src/core/security/handshake.h"
-#include "src/core/security/secure_endpoint.h"
-#include "src/core/security/security_context.h"
-#include "src/core/support/env.h"
-#include "src/core/support/load_file.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/alpn.h"
-#include "src/core/tsi/fake_transport_security.h"
-#include "src/core/tsi/ssl_transport_security.h"
+#include "src/core/ext/transport/chttp2/alpn/alpn.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/handshake.h"
+#include "src/core/lib/security/secure_endpoint.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/load_file.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/tsi/fake_transport_security.h"
+#include "src/core/lib/tsi/ssl_transport_security.h"
 
 /* -- Constants. -- */
 
@@ -492,6 +492,9 @@ grpc_auth_context *tsi_ssl_peer_to_auth_context(const tsi_peer *peer) {
       peer_identity_property_name = GRPC_X509_SAN_PROPERTY_NAME;
       grpc_auth_context_add_property(ctx, GRPC_X509_SAN_PROPERTY_NAME,
                                      prop->value.data, prop->value.length);
+    } else if (strcmp(prop->name, TSI_X509_PEM_CERT_PROPERTY) == 0) {
+      grpc_auth_context_add_property(ctx, GRPC_X509_PEM_CERT_PROPERTY_NAME,
+                                     prop->value.data, prop->value.length);
     }
   }
   if (peer_identity_property_name != NULL) {
@@ -554,9 +557,9 @@ static void ssl_server_check_peer(grpc_exec_ctx *exec_ctx,
   grpc_auth_context_unref(auth_context);
 }
 
-static void add_shalow_auth_property_to_peer(tsi_peer *peer,
-                                             const grpc_auth_property *prop,
-                                             const char *tsi_prop_name) {
+static void add_shallow_auth_property_to_peer(tsi_peer *peer,
+                                              const grpc_auth_property *prop,
+                                              const char *tsi_prop_name) {
   tsi_peer_property *tsi_prop = &peer->properties[peer->property_count++];
   tsi_prop->name = (char *)tsi_prop_name;
   tsi_prop->value.data = prop->value;
@@ -579,11 +582,14 @@ tsi_peer tsi_shallow_peer_from_ssl_auth_context(
     it = grpc_auth_context_property_iterator(auth_context);
     while ((prop = grpc_auth_property_iterator_next(&it)) != NULL) {
       if (strcmp(prop->name, GRPC_X509_SAN_PROPERTY_NAME) == 0) {
-        add_shalow_auth_property_to_peer(
+        add_shallow_auth_property_to_peer(
             &peer, prop, TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY);
       } else if (strcmp(prop->name, GRPC_X509_CN_PROPERTY_NAME) == 0) {
-        add_shalow_auth_property_to_peer(
+        add_shallow_auth_property_to_peer(
             &peer, prop, TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY);
+      } else if (strcmp(prop->name, GRPC_X509_PEM_CERT_PROPERTY_NAME) == 0) {
+        add_shallow_auth_property_to_peer(&peer, prop,
+                                          TSI_X509_PEM_CERT_PROPERTY);
       }
     }
   }
@@ -662,6 +668,31 @@ gpr_slice grpc_get_default_ssl_roots_for_testing(void) {
   return compute_default_pem_root_certs_once();
 }
 
+static tsi_client_certificate_request_type
+get_tsi_client_certificate_request_type(
+    grpc_ssl_client_certificate_request_type grpc_request_type) {
+  switch (grpc_request_type) {
+    case GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE:
+      return TSI_DONT_REQUEST_CLIENT_CERTIFICATE;
+
+    case GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY:
+      return TSI_REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY;
+
+    case GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY:
+      return TSI_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY;
+
+    case GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY:
+      return TSI_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY;
+
+    case GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY:
+      return TSI_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY;
+
+    default:
+      // Is this a sane default
+      return TSI_DONT_REQUEST_CLIENT_CERTIFICATE;
+  }
+}
+
 size_t grpc_get_default_ssl_roots(const unsigned char **pem_root_certs) {
   /* TODO(jboeuf@google.com): Maybe revisit the approach which consists in
      loading all the roots once for the lifetime of the process. */
@@ -776,15 +807,16 @@ grpc_security_status grpc_ssl_server_security_connector_create(
   gpr_ref_init(&c->base.base.refcount, 1);
   c->base.base.url_scheme = GRPC_SSL_URL_SCHEME;
   c->base.base.vtable = &ssl_server_vtable;
-  result = tsi_create_ssl_server_handshaker_factory(
+  result = tsi_create_ssl_server_handshaker_factory_ex(
       (const unsigned char **)config->pem_private_keys,
       config->pem_private_keys_sizes,
       (const unsigned char **)config->pem_cert_chains,
       config->pem_cert_chains_sizes, config->num_key_cert_pairs,
       config->pem_root_certs, config->pem_root_certs_size,
-      config->force_client_auth, ssl_cipher_suites(), alpn_protocol_strings,
-      alpn_protocol_string_lengths, (uint16_t)num_alpn_protocols,
-      &c->handshaker_factory);
+      get_tsi_client_certificate_request_type(
+          config->client_certificate_request),
+      ssl_cipher_suites(), alpn_protocol_strings, alpn_protocol_string_lengths,
+      (uint16_t)num_alpn_protocols, &c->handshaker_factory);
   if (result != TSI_OK) {
     gpr_log(GPR_ERROR, "Handshaker factory creation failed with %s.",
             tsi_result_to_string(result));
diff --git a/src/core/security/security_connector.h b/src/core/lib/security/security_connector.h
similarity index 96%
rename from src/core/security/security_connector.h
rename to src/core/lib/security/security_connector.h
index 1e35d3f9b7ce8f5f98ab1ff8b59bb04650159914..2c893cd5e99f73fc606d63d1c4b259db912a05e3 100644
--- a/src/core/security/security_connector.h
+++ b/src/core/lib/security/security_connector.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,13 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_SECURITY_CONNECTOR_H
-#define GRPC_INTERNAL_CORE_SECURITY_SECURITY_CONNECTOR_H
+#ifndef GRPC_CORE_LIB_SECURITY_SECURITY_CONNECTOR_H
+#define GRPC_CORE_LIB_SECURITY_SECURITY_CONNECTOR_H
 
 #include <grpc/grpc_security.h>
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/tcp_server.h"
-#include "src/core/tsi/transport_security_interface.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/tcp_server.h"
+#include "src/core/lib/tsi/transport_security_interface.h"
 
 /* --- status enum. --- */
 
@@ -241,7 +241,7 @@ typedef struct {
   size_t num_key_cert_pairs;
   unsigned char *pem_root_certs;
   size_t pem_root_certs_size;
-  int force_client_auth;
+  grpc_ssl_client_certificate_request_type client_certificate_request;
 } grpc_ssl_server_config;
 
 /* Creates an SSL server_security_connector.
@@ -263,4 +263,4 @@ tsi_peer tsi_shallow_peer_from_ssl_auth_context(
     const grpc_auth_context *auth_context);
 void tsi_shallow_peer_destruct(tsi_peer *peer);
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_SECURITY_CONNECTOR_H */
+#endif /* GRPC_CORE_LIB_SECURITY_SECURITY_CONNECTOR_H */
diff --git a/src/core/security/security_context.c b/src/core/lib/security/security_context.c
similarity index 98%
rename from src/core/security/security_context.c
rename to src/core/lib/security/security_context.c
index a71b3bc9153dc37e85f50ab68771f3b76954f8ad..343e0b5b8b11cf1eef285497e6c112c70ed5f997 100644
--- a/src/core/security/security_context.c
+++ b/src/core/lib/security/security_context.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,10 +33,10 @@
 
 #include <string.h>
 
-#include "src/core/security/security_context.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/call.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
 
 #include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
diff --git a/src/core/security/security_context.h b/src/core/lib/security/security_context.h
similarity index 94%
rename from src/core/security/security_context.h
rename to src/core/lib/security/security_context.h
index 794258edbcb1470474e9154416d2ddf17a35a2d0..81161ec47dee41c1d66d13308d0470533093a7b0 100644
--- a/src/core/security/security_context.h
+++ b/src/core/lib/security/security_context.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SECURITY_SECURITY_CONTEXT_H
-#define GRPC_INTERNAL_CORE_SECURITY_SECURITY_CONTEXT_H
+#ifndef GRPC_CORE_LIB_SECURITY_SECURITY_CONTEXT_H
+#define GRPC_CORE_LIB_SECURITY_SECURITY_CONTEXT_H
 
-#include "src/core/iomgr/pollset.h"
-#include "src/core/security/credentials.h"
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/security/credentials.h"
 
 /* --- grpc_auth_context ---
 
@@ -111,4 +111,4 @@ grpc_auth_context *grpc_auth_context_from_arg(const grpc_arg *arg);
 grpc_auth_context *grpc_find_auth_context_in_args(
     const grpc_channel_args *args);
 
-#endif /* GRPC_INTERNAL_CORE_SECURITY_SECURITY_CONTEXT_H */
+#endif /* GRPC_CORE_LIB_SECURITY_SECURITY_CONTEXT_H */
diff --git a/src/core/security/server_auth_filter.c b/src/core/lib/security/server_auth_filter.c
similarity index 96%
rename from src/core/security/server_auth_filter.c
rename to src/core/lib/security/server_auth_filter.c
index 3d8e5e8d35dda637c4b4132f155d2eab493be161..7844dc87cb58853fd2c2c42be3d4505329d65dc9 100644
--- a/src/core/security/server_auth_filter.c
+++ b/src/core/lib/security/server_auth_filter.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,9 +33,9 @@
 
 #include <string.h>
 
-#include "src/core/security/auth_filters.h"
-#include "src/core/security/credentials.h"
-#include "src/core/security/security_context.h"
+#include "src/core/lib/security/auth_filters.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/security_context.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -259,6 +259,6 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
 
 const grpc_channel_filter grpc_server_auth_filter = {
     auth_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, set_pollset, destroy_call_elem, sizeof(channel_data),
-    init_channel_elem, destroy_channel_elem, grpc_call_next_get_peer,
-    "server-auth"};
+    init_call_elem,          set_pollset,          destroy_call_elem,
+    sizeof(channel_data),    init_channel_elem,    destroy_channel_elem,
+    grpc_call_next_get_peer, "server-auth"};
diff --git a/src/core/support/alloc.c b/src/core/lib/support/alloc.c
similarity index 95%
rename from src/core/support/alloc.c
rename to src/core/lib/support/alloc.c
index b99584bd200a627f7ce7a1eba39849fc6a273b22..618c3f6acd87adfa43ce26c4feb0d92b69be7baf 100644
--- a/src/core/support/alloc.c
+++ b/src/core/lib/support/alloc.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,10 +33,10 @@
 
 #include <grpc/support/alloc.h>
 
-#include <stdlib.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
-#include "src/core/profiling/timers.h"
+#include <stdlib.h>
+#include "src/core/lib/profiling/timers.h"
 
 static gpr_allocation_functions g_alloc_functions = {malloc, realloc, free};
 
@@ -53,6 +53,7 @@ void gpr_set_allocation_functions(gpr_allocation_functions functions) {
 
 void *gpr_malloc(size_t size) {
   void *p;
+  if (size == 0) return NULL;
   GPR_TIMER_BEGIN("gpr_malloc", 0);
   p = g_alloc_functions.malloc_fn(size);
   if (!p) {
@@ -69,6 +70,7 @@ void gpr_free(void *p) {
 }
 
 void *gpr_realloc(void *p, size_t size) {
+  if ((size == 0) && (p == NULL)) return NULL;
   GPR_TIMER_BEGIN("gpr_realloc", 0);
   p = g_alloc_functions.realloc_fn(p, size);
   if (!p) {
diff --git a/src/core/support/avl.c b/src/core/lib/support/avl.c
similarity index 99%
rename from src/core/support/avl.c
rename to src/core/lib/support/avl.c
index f378b3ee17af0a4e3cecfa90a5b3defe5a3d8f43..8d3ce23e6c321d2c984ba8f4d43951009b53cc0f 100644
--- a/src/core/support/avl.c
+++ b/src/core/lib/support/avl.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/core/support/backoff.c b/src/core/lib/support/backoff.c
similarity index 94%
rename from src/core/support/backoff.c
rename to src/core/lib/support/backoff.c
index 745821964560193b03a7acd0b69e33d3f4c82805..e89ef4722072c396040241281623524740ff3afa 100644
--- a/src/core/support/backoff.c
+++ b/src/core/lib/support/backoff.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/backoff.h"
+#include "src/core/lib/support/backoff.h"
 
 #include <grpc/support/useful.h>
 
@@ -69,3 +69,8 @@ gpr_timespec gpr_backoff_step(gpr_backoff *backoff, gpr_timespec now) {
   return gpr_time_add(
       now, gpr_time_from_millis(backoff->current_timeout_millis, GPR_TIMESPAN));
 }
+
+void gpr_backoff_reset(gpr_backoff *backoff) {
+  // forces step() to return a timeout of min_timeout_millis
+  backoff->current_timeout_millis = 0;
+}
diff --git a/src/core/support/backoff.h b/src/core/lib/support/backoff.h
similarity index 90%
rename from src/core/support/backoff.h
rename to src/core/lib/support/backoff.h
index 3234aa214d417c8393e5d1297c991dab2d5a4169..6d40c15546521d3f4e8f9d35b5f5de76cb86bb81 100644
--- a/src/core/support/backoff.h
+++ b/src/core/lib/support/backoff.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_BACKOFF_H
-#define GRPC_INTERNAL_CORE_SUPPORT_BACKOFF_H
+#ifndef GRPC_CORE_LIB_SUPPORT_BACKOFF_H
+#define GRPC_CORE_LIB_SUPPORT_BACKOFF_H
 
 #include <grpc/support/time.h>
 
@@ -61,5 +61,8 @@ void gpr_backoff_init(gpr_backoff *backoff, double multiplier, double jitter,
 gpr_timespec gpr_backoff_begin(gpr_backoff *backoff, gpr_timespec now);
 /// Step a retry loop: returns a timespec for the NEXT retry
 gpr_timespec gpr_backoff_step(gpr_backoff *backoff, gpr_timespec now);
+/// Reset the backoff, so the next gpr_backoff_step will be a gpr_backoff_begin
+/// instead
+void gpr_backoff_reset(gpr_backoff *backoff);
 
-#endif  // GRPC_INTERNAL_CORE_SUPPORT_BACKOFF_H
+#endif /* GRPC_CORE_LIB_SUPPORT_BACKOFF_H */
diff --git a/src/core/support/block_annotate.h b/src/core/lib/support/block_annotate.h
similarity index 92%
rename from src/core/support/block_annotate.h
rename to src/core/lib/support/block_annotate.h
index 3cd8eee272d3f3556afa9b86b49c26634b592517..8fb380241f14f07df7aaae5595e1c061e1f41186 100644
--- a/src/core/support/block_annotate.h
+++ b/src/core/lib/support/block_annotate.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_BLOCK_ANNOTATE_H
-#define GRPC_INTERNAL_CORE_SUPPORT_BLOCK_ANNOTATE_H
+#ifndef GRPC_CORE_LIB_SUPPORT_BLOCK_ANNOTATE_H
+#define GRPC_CORE_LIB_SUPPORT_BLOCK_ANNOTATE_H
 
 /* These annotations identify the beginning and end of regions where
    the code may block for reasons other than synchronization functions.
@@ -45,4 +45,4 @@
   do {                                      \
   } while (0)
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_BLOCK_ANNOTATE_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_BLOCK_ANNOTATE_H */
diff --git a/src/core/support/cmdline.c b/src/core/lib/support/cmdline.c
similarity index 99%
rename from src/core/support/cmdline.c
rename to src/core/lib/support/cmdline.c
index b517f30b2d3a3a75393c06ecf3fbae3d61e0d7f7..d47498676db890505203ffe4f0bcfa3be358c868 100644
--- a/src/core/support/cmdline.c
+++ b/src/core/lib/support/cmdline.c
@@ -37,10 +37,10 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
+#include "src/core/lib/support/string.h"
 
 typedef enum { ARGTYPE_INT, ARGTYPE_BOOL, ARGTYPE_STRING } argtype;
 
diff --git a/src/core/support/cpu_iphone.c b/src/core/lib/support/cpu_iphone.c
similarity index 100%
rename from src/core/support/cpu_iphone.c
rename to src/core/lib/support/cpu_iphone.c
diff --git a/src/core/support/cpu_linux.c b/src/core/lib/support/cpu_linux.c
similarity index 100%
rename from src/core/support/cpu_linux.c
rename to src/core/lib/support/cpu_linux.c
index 7af6a8f0090b4d14e670a6b8e5a63801381a9a6e..d6f7e7d3da6ff355394dbcd055cfeb3a5ec03ae4 100644
--- a/src/core/support/cpu_linux.c
+++ b/src/core/lib/support/cpu_linux.c
@@ -39,10 +39,10 @@
 
 #ifdef GPR_CPU_LINUX
 
-#include <sched.h>
 #include <errno.h>
-#include <unistd.h>
+#include <sched.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <grpc/support/cpu.h>
 #include <grpc/support/log.h>
diff --git a/src/core/support/cpu_posix.c b/src/core/lib/support/cpu_posix.c
similarity index 98%
rename from src/core/support/cpu_posix.c
rename to src/core/lib/support/cpu_posix.c
index 8f01c284ca425ccab9d7f10ac63cbc029f0bfc7f..667bde7cad4e4deb355e47f4867c7d0daba0eaa2 100644
--- a/src/core/support/cpu_posix.c
+++ b/src/core/lib/support/cpu_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,8 +36,8 @@
 #ifdef GPR_CPU_POSIX
 
 #include <errno.h>
-#include <unistd.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
diff --git a/src/core/support/cpu_windows.c b/src/core/lib/support/cpu_windows.c
similarity index 100%
rename from src/core/support/cpu_windows.c
rename to src/core/lib/support/cpu_windows.c
diff --git a/src/core/support/env.h b/src/core/lib/support/env.h
similarity index 94%
rename from src/core/support/env.h
rename to src/core/lib/support/env.h
index 24172d86737eceb6ccfbd4f4bb854b0d2bbbe4f8..ec3959bc6eda6d69e0e50401b638351ae32db47f 100644
--- a/src/core/support/env.h
+++ b/src/core/lib/support/env.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_ENV_H
-#define GRPC_INTERNAL_CORE_SUPPORT_ENV_H
+#ifndef GRPC_CORE_LIB_SUPPORT_ENV_H
+#define GRPC_CORE_LIB_SUPPORT_ENV_H
 
 #include <stdio.h>
 
@@ -57,4 +57,4 @@ void gpr_setenv(const char *name, const char *value);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_ENV_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_ENV_H */
diff --git a/src/core/support/env_linux.c b/src/core/lib/support/env_linux.c
similarity index 96%
rename from src/core/support/env_linux.c
rename to src/core/lib/support/env_linux.c
index fe51f846b710f65dfb8a5e5034f52b787cb729b4..2436eb20b04895f8cd1905771f8f4a9133ea941d 100644
--- a/src/core/support/env_linux.c
+++ b/src/core/lib/support/env_linux.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,7 +40,7 @@
 
 #ifdef GPR_LINUX_ENV
 
-#include "src/core/support/env.h"
+#include "src/core/lib/support/env.h"
 
 #include <dlfcn.h>
 #include <features.h>
@@ -51,7 +51,7 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 char *gpr_getenv(const char *name) {
 #if defined(GPR_BACKWARDS_COMPATIBILITY_MODE)
diff --git a/src/core/support/env_posix.c b/src/core/lib/support/env_posix.c
similarity index 96%
rename from src/core/support/env_posix.c
rename to src/core/lib/support/env_posix.c
index 1dd2af56bcb745cfdfd0a254e27832ac6852cb6f..ff47630443977d54018225fa5616ac70cb044236 100644
--- a/src/core/support/env_posix.c
+++ b/src/core/lib/support/env_posix.c
@@ -35,14 +35,14 @@
 
 #ifdef GPR_POSIX_ENV
 
-#include "src/core/support/env.h"
+#include "src/core/lib/support/env.h"
 
 #include <stdlib.h>
 
 #include <grpc/support/log.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/string_util.h>
+#include "src/core/lib/support/string.h"
 
 char *gpr_getenv(const char *name) {
   char *result = getenv(name);
diff --git a/src/core/support/env_win32.c b/src/core/lib/support/env_win32.c
similarity index 95%
rename from src/core/support/env_win32.c
rename to src/core/lib/support/env_win32.c
index 10258283bafe46703841205aa541e6ea9bcf7a72..ef84c941df659196ea82f58b6311334d5128bc0a 100644
--- a/src/core/support/env_win32.c
+++ b/src/core/lib/support/env_win32.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,8 +35,8 @@
 
 #ifdef GPR_WIN32
 
-#include "src/core/support/env.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
 
 #ifdef __MINGW32__
 errno_t getenv_s(size_t *size_needed, char *buffer, size_t size,
diff --git a/src/core/support/histogram.c b/src/core/lib/support/histogram.c
similarity index 100%
rename from src/core/support/histogram.c
rename to src/core/lib/support/histogram.c
index 20ed2b14b140b6322295197be9c6d47321c1acab..7b016bbc78790d760b84067f38157ea1840e4a6b 100644
--- a/src/core/support/histogram.c
+++ b/src/core/lib/support/histogram.c
@@ -38,8 +38,8 @@
 #include <string.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/port_platform.h>
 #include <grpc/support/log.h>
+#include <grpc/support/port_platform.h>
 #include <grpc/support/useful.h>
 
 /* Histograms are stored with exponentially increasing bucket sizes.
diff --git a/src/core/support/host_port.c b/src/core/lib/support/host_port.c
similarity index 98%
rename from src/core/support/host_port.c
rename to src/core/lib/support/host_port.c
index 23f65b15812beff45159f3f4e90c5b8286034ddd..f19bdbc835744ba77ca28b9402fb4fc8f989d126 100644
--- a/src/core/support/host_port.c
+++ b/src/core/lib/support/host_port.c
@@ -35,10 +35,10 @@
 
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
+#include "src/core/lib/support/string.h"
 
 int gpr_join_host_port(char **out, const char *host, int port) {
   if (host[0] != '[' && strchr(host, ':') != NULL) {
diff --git a/src/core/support/load_file.c b/src/core/lib/support/load_file.c
similarity index 95%
rename from src/core/support/load_file.c
rename to src/core/lib/support/load_file.c
index 650bd62ccbe0e039deaa0e7873a3ecb5df49a65c..f30aacdd4f860f60922dae2efb5078c042af58d7 100644
--- a/src/core/support/load_file.c
+++ b/src/core/lib/support/load_file.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/load_file.h"
+#include "src/core/lib/support/load_file.h"
 
 #include <errno.h>
 #include <string.h>
@@ -40,8 +40,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/block_annotate.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/block_annotate.h"
+#include "src/core/lib/support/string.h"
 
 gpr_slice gpr_load_file(const char *filename, int add_null_terminator,
                         int *success) {
diff --git a/src/core/support/load_file.h b/src/core/lib/support/load_file.h
similarity index 91%
rename from src/core/support/load_file.h
rename to src/core/lib/support/load_file.h
index 746319a50d22bbafa4fd685efa5cafd6c1920ebb..9a4b27942e2641bd7c187404243dbf1b681bdd69 100644
--- a/src/core/support/load_file.h
+++ b/src/core/lib/support/load_file.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_LOAD_FILE_H
-#define GRPC_INTERNAL_CORE_SUPPORT_LOAD_FILE_H
+#ifndef GRPC_CORE_LIB_SUPPORT_LOAD_FILE_H
+#define GRPC_CORE_LIB_SUPPORT_LOAD_FILE_H
 
 #include <stdio.h>
 
@@ -52,4 +52,4 @@ gpr_slice gpr_load_file(const char *filename, int add_null_terminator,
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_LOAD_FILE_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_LOAD_FILE_H */
diff --git a/src/core/support/log.c b/src/core/lib/support/log.c
similarity index 67%
rename from src/core/support/log.c
rename to src/core/lib/support/log.c
index 04156a5b1fc092094f29c82426feb9c57df1d565..882abf673c1b23b8ee93c71adbce7c0bf4534be7 100644
--- a/src/core/support/log.c
+++ b/src/core/lib/support/log.c
@@ -31,14 +31,20 @@
  *
  */
 
+#include <grpc/support/alloc.h>
+#include <grpc/support/atm.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+
 #include <stdio.h>
 #include <string.h>
 
 extern void gpr_default_log(gpr_log_func_args *args);
 static gpr_log_func g_log_func = gpr_default_log;
+static gpr_atm g_min_severity_to_print = GPR_LOG_VERBOSITY_UNSET;
 
 const char *gpr_log_severity_string(gpr_log_severity severity) {
   switch (severity) {
@@ -54,6 +60,9 @@ const char *gpr_log_severity_string(gpr_log_severity severity) {
 
 void gpr_log_message(const char *file, int line, gpr_log_severity severity,
                      const char *message) {
+  if ((gpr_atm)severity < gpr_atm_no_barrier_load(&g_min_severity_to_print))
+    return;
+
   gpr_log_func_args lfargs;
   memset(&lfargs, 0, sizeof(lfargs));
   lfargs.file = file;
@@ -63,4 +72,28 @@ void gpr_log_message(const char *file, int line, gpr_log_severity severity,
   g_log_func(&lfargs);
 }
 
+void gpr_set_log_verbosity(gpr_log_severity min_severity_to_print) {
+  gpr_atm_no_barrier_store(&g_min_severity_to_print,
+                           (gpr_atm)min_severity_to_print);
+}
+
+void gpr_log_verbosity_init() {
+  char *verbosity = gpr_getenv("GRPC_VERBOSITY");
+  if (verbosity == NULL) return;
+
+  gpr_atm min_severity_to_print = GPR_LOG_VERBOSITY_UNSET;
+  if (strcmp(verbosity, "DEBUG") == 0) {
+    min_severity_to_print = (gpr_atm)GPR_LOG_SEVERITY_DEBUG;
+  } else if (strcmp(verbosity, "INFO") == 0) {
+    min_severity_to_print = (gpr_atm)GPR_LOG_SEVERITY_INFO;
+  } else if (strcmp(verbosity, "ERROR") == 0) {
+    min_severity_to_print = (gpr_atm)GPR_LOG_SEVERITY_ERROR;
+  }
+  gpr_free(verbosity);
+  if ((gpr_atm_no_barrier_load(&g_min_severity_to_print)) ==
+      GPR_LOG_VERBOSITY_UNSET) {
+    gpr_atm_no_barrier_store(&g_min_severity_to_print, min_severity_to_print);
+  }
+}
+
 void gpr_set_log_function(gpr_log_func f) { g_log_func = f; }
diff --git a/src/core/support/log_android.c b/src/core/lib/support/log_android.c
similarity index 100%
rename from src/core/support/log_android.c
rename to src/core/lib/support/log_android.c
index 5d0c7d820d82d227b2f660d01868694b43bb0967..94c8100fd7c46e5a1438b32bb4c8c5058767e6cb 100644
--- a/src/core/support/log_android.c
+++ b/src/core/lib/support/log_android.c
@@ -35,12 +35,12 @@
 
 #ifdef GPR_ANDROID
 
+#include <android/log.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include <stdio.h>
 #include <stdarg.h>
+#include <stdio.h>
 #include <string.h>
-#include <android/log.h>
 
 static android_LogPriority severity_to_log_priority(gpr_log_severity severity) {
   switch (severity) {
diff --git a/src/core/support/log_linux.c b/src/core/lib/support/log_linux.c
similarity index 97%
rename from src/core/support/log_linux.c
rename to src/core/lib/support/log_linux.c
index d66b7a3cc007f3c0171ba35af043a11d2cfd5b12..ff3febb38eb142a42d5e330374eb5e3913f5ee9a 100644
--- a/src/core/support/log_linux.c
+++ b/src/core/lib/support/log_linux.c
@@ -47,12 +47,12 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
-#include <stdio.h>
+#include <linux/unistd.h>
 #include <stdarg.h>
+#include <stdio.h>
 #include <string.h>
-#include <time.h>
-#include <linux/unistd.h>
 #include <sys/syscall.h>
+#include <time.h>
 #include <unistd.h>
 
 static long gettid(void) { return syscall(__NR_gettid); }
@@ -68,6 +68,7 @@ void gpr_log(const char *file, int line, gpr_log_severity severity,
   }
   va_end(args);
   gpr_log_message(file, line, severity, message);
+  /* message has been allocated by vasprintf above, and needs free */
   free(message);
 }
 
diff --git a/src/core/support/log_posix.c b/src/core/lib/support/log_posix.c
similarity index 100%
rename from src/core/support/log_posix.c
rename to src/core/lib/support/log_posix.c
index 3ff171f99cb8b70233361f532e4e35d5f304432e..6ae63207673a2ea03eb3b4a53fa25a618e5c3eb9 100644
--- a/src/core/support/log_posix.c
+++ b/src/core/lib/support/log_posix.c
@@ -38,12 +38,12 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include <stdio.h>
+#include <pthread.h>
 #include <stdarg.h>
-#include <string.h>
 #include <stdio.h>
+#include <stdio.h>
+#include <string.h>
 #include <time.h>
-#include <pthread.h>
 
 static intptr_t gettid(void) { return (intptr_t)pthread_self(); }
 
diff --git a/src/core/support/log_win32.c b/src/core/lib/support/log_win32.c
similarity index 97%
rename from src/core/support/log_win32.c
rename to src/core/lib/support/log_win32.c
index e18e667fe5f567578fe22399a0930105041b666e..ba78497a0a46884bca2be0e76a398988bac11fdd 100644
--- a/src/core/support/log_win32.c
+++ b/src/core/lib/support/log_win32.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,17 +35,17 @@
 
 #ifdef GPR_WIN32
 
-#include <stdio.h>
 #include <stdarg.h>
+#include <stdio.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/log_win32.h>
 #include <grpc/support/log.h>
-#include <grpc/support/time.h>
+#include <grpc/support/log_win32.h>
 #include <grpc/support/string_util.h>
+#include <grpc/support/time.h>
 
-#include "src/core/support/string.h"
-#include "src/core/support/string_win32.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/string_win32.h"
 
 void gpr_log(const char *file, int line, gpr_log_severity severity,
              const char *format, ...) {
diff --git a/src/core/support/murmur_hash.c b/src/core/lib/support/murmur_hash.c
similarity index 98%
rename from src/core/support/murmur_hash.c
rename to src/core/lib/support/murmur_hash.c
index a5261c0cc04360ca57095e3c2379cdb82ae0c090..5711fff0c0fc207257c00bf60af51f1c2d4c1be1 100644
--- a/src/core/support/murmur_hash.c
+++ b/src/core/lib/support/murmur_hash.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/murmur_hash.h"
+#include "src/core/lib/support/murmur_hash.h"
 
 #define ROTL32(x, r) ((x) << (r)) | ((x) >> (32 - (r)))
 
diff --git a/src/core/support/murmur_hash.h b/src/core/lib/support/murmur_hash.h
similarity index 92%
rename from src/core/support/murmur_hash.h
rename to src/core/lib/support/murmur_hash.h
index 0bf04f731ad85588e5e6d2d5eeefdc4e11c9065f..6d282ff358eb5ab3fc60fde21e57aa94fc9cf60a 100644
--- a/src/core/support/murmur_hash.h
+++ b/src/core/lib/support/murmur_hash.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_MURMUR_HASH_H
-#define GRPC_INTERNAL_CORE_SUPPORT_MURMUR_HASH_H
+#ifndef GRPC_CORE_LIB_SUPPORT_MURMUR_HASH_H
+#define GRPC_CORE_LIB_SUPPORT_MURMUR_HASH_H
 
 #include <grpc/support/port_platform.h>
 
@@ -41,4 +41,4 @@
 /* compute the hash of key (length len) */
 uint32_t gpr_murmur_hash3(const void *key, size_t len, uint32_t seed);
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_MURMUR_HASH_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_MURMUR_HASH_H */
diff --git a/src/core/support/slice.c b/src/core/lib/support/slice.c
similarity index 100%
rename from src/core/support/slice.c
rename to src/core/lib/support/slice.c
diff --git a/src/core/support/slice_buffer.c b/src/core/lib/support/slice_buffer.c
similarity index 100%
rename from src/core/support/slice_buffer.c
rename to src/core/lib/support/slice_buffer.c
diff --git a/src/core/support/stack_lockfree.c b/src/core/lib/support/stack_lockfree.c
similarity index 95%
rename from src/core/support/stack_lockfree.c
rename to src/core/lib/support/stack_lockfree.c
index 9daecd2e18a772c6a3fb7e820ffd01b866af72ca..9d7c9e5a3816fe8b3916ae39f623585ea8a13b0e 100644
--- a/src/core/support/stack_lockfree.c
+++ b/src/core/lib/support/stack_lockfree.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,15 +31,15 @@
  *
  */
 
-#include "src/core/support/stack_lockfree.h"
+#include "src/core/lib/support/stack_lockfree.h"
 
 #include <stdlib.h>
 #include <string.h>
 
-#include <grpc/support/port_platform.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/atm.h>
 #include <grpc/support/log.h>
+#include <grpc/support/port_platform.h>
 
 /* The lockfree node structure is a single architecture-level
    word that allows for an atomic CAS to set it up. */
@@ -64,10 +64,10 @@ typedef union lockfree_node {
   struct lockfree_node_contents contents;
 } lockfree_node;
 
-#define ENTRY_ALIGNMENT_BITS 3 /* make sure that entries aligned to 8-bytes */
-#define INVALID_ENTRY_INDEX                        \
-  ((1 << 16) - 1) /* reserve this entry as invalid \
-                    */
+/* make sure that entries aligned to 8-bytes */
+#define ENTRY_ALIGNMENT_BITS 3
+/* reserve this entry as invalid */
+#define INVALID_ENTRY_INDEX ((1 << 16) - 1)
 
 struct gpr_stack_lockfree {
   lockfree_node *entries;
diff --git a/src/core/support/stack_lockfree.h b/src/core/lib/support/stack_lockfree.h
similarity index 93%
rename from src/core/support/stack_lockfree.h
rename to src/core/lib/support/stack_lockfree.h
index ca58dd007a2ef7b4adb575b57de1bdd61ce8d516..35ef7c2959ee2b687b03e1aa4e135bc11b87814d 100644
--- a/src/core/support/stack_lockfree.h
+++ b/src/core/lib/support/stack_lockfree.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_STACK_LOCKFREE_H
-#define GRPC_INTERNAL_CORE_SUPPORT_STACK_LOCKFREE_H
+#ifndef GRPC_CORE_LIB_SUPPORT_STACK_LOCKFREE_H
+#define GRPC_CORE_LIB_SUPPORT_STACK_LOCKFREE_H
 
 #include <stddef.h>
 
@@ -50,4 +50,4 @@ int gpr_stack_lockfree_push(gpr_stack_lockfree *, int entry);
 /* Returns -1 on empty or the actual entry number */
 int gpr_stack_lockfree_pop(gpr_stack_lockfree *stack);
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_STACK_LOCKFREE_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_STACK_LOCKFREE_H */
diff --git a/src/core/support/string.c b/src/core/lib/support/string.c
similarity index 99%
rename from src/core/support/string.c
rename to src/core/lib/support/string.c
index 1f541de40f107857890b6af1ddf0bcd29652c475..a2ab6c5f1fc4208bd9e0ff6d4c2c9d5941af831a 100644
--- a/src/core/support/string.c
+++ b/src/core/lib/support/string.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 #include <ctype.h>
 #include <stddef.h>
diff --git a/src/core/support/string.h b/src/core/lib/support/string.h
similarity index 97%
rename from src/core/support/string.h
rename to src/core/lib/support/string.h
index e6755de106cbc41e5954c0012d4db8f1b597ae7c..ea58610914e476f8ffcfef81a5f0034d5e31a2ac 100644
--- a/src/core/support/string.h
+++ b/src/core/lib/support/string.h
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_STRING_H
-#define GRPC_INTERNAL_CORE_SUPPORT_STRING_H
+#ifndef GRPC_CORE_LIB_SUPPORT_STRING_H
+#define GRPC_CORE_LIB_SUPPORT_STRING_H
 
 #include <stddef.h>
 
 #include <grpc/support/port_platform.h>
-#include <grpc/support/slice_buffer.h>
 #include <grpc/support/slice.h>
+#include <grpc/support/slice_buffer.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -118,4 +118,4 @@ char *gpr_strvec_flatten(gpr_strvec *strs, size_t *total_length);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_STRING_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_STRING_H */
diff --git a/src/core/support/string_posix.c b/src/core/lib/support/string_posix.c
similarity index 100%
rename from src/core/support/string_posix.c
rename to src/core/lib/support/string_posix.c
index 25c333db4edf0dce28ddc5f7401fd2008bf55830..c804ed5ded6981cdb02c5604a3b05944c40b82d3 100644
--- a/src/core/support/string_posix.c
+++ b/src/core/lib/support/string_posix.c
@@ -35,8 +35,8 @@
 
 #ifdef GPR_POSIX_STRING
 
-#include <stdio.h>
 #include <stdarg.h>
+#include <stdio.h>
 #include <string.h>
 
 #include <grpc/support/alloc.h>
diff --git a/src/core/support/string_win32.c b/src/core/lib/support/string_win32.c
similarity index 97%
rename from src/core/support/string_win32.c
rename to src/core/lib/support/string_win32.c
index 3b1f702cf1bdd290e72703234635f0d5c3263349..a2f9857356a3413ca25518ada04cf9671aef91c0 100644
--- a/src/core/support/string_win32.c
+++ b/src/core/lib/support/string_win32.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,13 +37,13 @@
 
 #ifdef GPR_WIN32
 
-#include <stdio.h>
 #include <stdarg.h>
+#include <stdio.h>
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 int gpr_asprintf(char **strp, const char *format, ...) {
   va_list args;
diff --git a/src/core/support/string_win32.h b/src/core/lib/support/string_win32.h
similarity index 92%
rename from src/core/support/string_win32.h
rename to src/core/lib/support/string_win32.h
index e3043656fbaa510dc6bc43c8956c3f14f412f9fd..ff4a694ca9decd2412148b4b78ee1e1adcf261ff 100644
--- a/src/core/support/string_win32.h
+++ b/src/core/lib/support/string_win32.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_STRING_WIN32_H
-#define GRPC_INTERNAL_CORE_SUPPORT_STRING_WIN32_H
+#ifndef GRPC_CORE_LIB_SUPPORT_STRING_WIN32_H
+#define GRPC_CORE_LIB_SUPPORT_STRING_WIN32_H
 
 #include <grpc/support/port_platform.h>
 
@@ -44,4 +44,4 @@ LPSTR gpr_tchar_to_char(LPCTSTR input);
 
 #endif /* GPR_WIN32 */
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_STRING_WIN32_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_STRING_WIN32_H */
diff --git a/src/core/support/subprocess_posix.c b/src/core/lib/support/subprocess_posix.c
similarity index 100%
rename from src/core/support/subprocess_posix.c
rename to src/core/lib/support/subprocess_posix.c
index 171054e4da653dbc3b91d0b126c900c29b20282b..4f4de9298e9c38d552c8db78b3393bd739d28323 100644
--- a/src/core/support/subprocess_posix.c
+++ b/src/core/lib/support/subprocess_posix.c
@@ -37,15 +37,15 @@
 
 #include <grpc/support/subprocess.h>
 
-#include <unistd.h>
 #include <assert.h>
 #include <errno.h>
-#include <stdio.h>
-#include <string.h>
 #include <signal.h>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <unistd.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
diff --git a/src/core/support/subprocess_windows.c b/src/core/lib/support/subprocess_windows.c
similarity index 97%
rename from src/core/support/subprocess_windows.c
rename to src/core/lib/support/subprocess_windows.c
index 2b25ef063a92a2ffbe7828fdfa7fe00ccb1a54e0..264306f1bda27f2f88cf017e33f5770d98f954f9 100644
--- a/src/core/support/subprocess_windows.c
+++ b/src/core/lib/support/subprocess_windows.c
@@ -35,15 +35,15 @@
 
 #ifdef GPR_WINDOWS_SUBPROCESS
 
-#include <windows.h>
 #include <string.h>
 #include <tchar.h>
+#include <windows.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/subprocess.h>
-#include "src/core/support/string.h"
-#include "src/core/support/string_win32.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/string_win32.h"
 
 struct gpr_subprocess {
   PROCESS_INFORMATION pi;
diff --git a/src/core/support/sync.c b/src/core/lib/support/sync.c
similarity index 99%
rename from src/core/support/sync.c
rename to src/core/lib/support/sync.c
index 69e3e39c5cef80d05ba9b2b6553c20bdfe75b271..44b83f8175aafb4f1935a9b52b22cc1729a63594 100644
--- a/src/core/support/sync.c
+++ b/src/core/lib/support/sync.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,9 +33,9 @@
 
 /* Generic implementation of synchronization primitives. */
 
+#include <grpc/support/atm.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
-#include <grpc/support/atm.h>
 
 /* Number of mutexes to allocate for events, to avoid lock contention.
    Should be a prime. */
diff --git a/src/core/support/sync_posix.c b/src/core/lib/support/sync_posix.c
similarity index 97%
rename from src/core/support/sync_posix.c
rename to src/core/lib/support/sync_posix.c
index d3c483f1b538c9e22c4169516de465f038881834..dcb0969a4ea1df63934840e9f0944225a4858e04 100644
--- a/src/core/support/sync_posix.c
+++ b/src/core/lib/support/sync_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,11 +36,11 @@
 #ifdef GPR_POSIX_SYNC
 
 #include <errno.h>
-#include <time.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
-#include "src/core/profiling/timers.h"
+#include <time.h>
+#include "src/core/lib/profiling/timers.h"
 
 void gpr_mu_init(gpr_mu* mu) { GPR_ASSERT(pthread_mutex_init(mu, NULL) == 0); }
 
diff --git a/src/core/support/sync_win32.c b/src/core/lib/support/sync_win32.c
similarity index 99%
rename from src/core/support/sync_win32.c
rename to src/core/lib/support/sync_win32.c
index 41998ebcb6b2c5db483f71f87c4ac9f3aec66741..470a9f9704b8aa77ab33da680e705718908e0386 100644
--- a/src/core/support/sync_win32.c
+++ b/src/core/lib/support/sync_win32.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/core/support/thd.c b/src/core/lib/support/thd.c
similarity index 100%
rename from src/core/support/thd.c
rename to src/core/lib/support/thd.c
diff --git a/src/core/support/thd_internal.h b/src/core/lib/support/thd_internal.h
similarity index 91%
rename from src/core/support/thd_internal.h
rename to src/core/lib/support/thd_internal.h
index 1508c4691f249c36326b380755add3db396d8595..975d5537ccadbdc5efffd9f68543215be6fb9662 100644
--- a/src/core/support/thd_internal.h
+++ b/src/core/lib/support/thd_internal.h
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_THD_INTERNAL_H
-#define GRPC_INTERNAL_CORE_SUPPORT_THD_INTERNAL_H
+#ifndef GRPC_CORE_LIB_SUPPORT_THD_INTERNAL_H
+#define GRPC_CORE_LIB_SUPPORT_THD_INTERNAL_H
 
 /* Internal interfaces between modules within the gpr support library.  */
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_THD_INTERNAL_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_THD_INTERNAL_H */
diff --git a/src/core/support/thd_posix.c b/src/core/lib/support/thd_posix.c
similarity index 97%
rename from src/core/support/thd_posix.c
rename to src/core/lib/support/thd_posix.c
index 653a1c88c13b81769b6a6825bb5973f64169e67a..2fc23bffafa62f37f4bae93495b30052051b4d08 100644
--- a/src/core/support/thd_posix.c
+++ b/src/core/lib/support/thd_posix.c
@@ -37,13 +37,13 @@
 
 #ifdef GPR_POSIX_SYNC
 
-#include <pthread.h>
-#include <stdlib.h>
-#include <string.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <string.h>
 
 struct thd_arg {
   void (*body)(void *arg); /* body of a thread */
@@ -81,6 +81,7 @@ int gpr_thd_new(gpr_thd_id *t, void (*thd_body)(void *arg), void *arg,
   thread_started = (pthread_create(&p, &attr, &thread_body, a) == 0);
   GPR_ASSERT(pthread_attr_destroy(&attr) == 0);
   if (!thread_started) {
+    /* don't use gpr_free, as this was allocated using malloc (see above) */
     free(a);
   }
   *t = (gpr_thd_id)p;
diff --git a/src/core/support/thd_win32.c b/src/core/lib/support/thd_win32.c
similarity index 100%
rename from src/core/support/thd_win32.c
rename to src/core/lib/support/thd_win32.c
index a9db180c1b057490da6dc366ab439ad33df214f2..6deb3140ebd882abf55e1ca1d0e6f3bb132ba4b2 100644
--- a/src/core/support/thd_win32.c
+++ b/src/core/lib/support/thd_win32.c
@@ -37,10 +37,10 @@
 
 #ifdef GPR_WIN32
 
-#include <string.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/thd.h>
+#include <string.h>
 
 #if defined(_MSC_VER)
 #define thread_local __declspec(thread)
diff --git a/src/core/support/time.c b/src/core/lib/support/time.c
similarity index 99%
rename from src/core/support/time.c
rename to src/core/lib/support/time.c
index 423d12ffc0fd052da61b22d1322ee9e54ca1d04b..57f83311945e11ac191d8a15a1fa3c2f555b08a7 100644
--- a/src/core/support/time.c
+++ b/src/core/lib/support/time.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,11 +33,11 @@
 
 /* Generic implementation of time calls. */
 
+#include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <limits.h>
 #include <stdio.h>
 #include <string.h>
-#include <grpc/support/log.h>
 
 int gpr_time_cmp(gpr_timespec a, gpr_timespec b) {
   int cmp = (a.tv_sec > b.tv_sec) - (a.tv_sec < b.tv_sec);
diff --git a/src/core/support/time_posix.c b/src/core/lib/support/time_posix.c
similarity index 93%
rename from src/core/support/time_posix.c
rename to src/core/lib/support/time_posix.c
index 36d75e7da2fbfa1b63051fbcf90509729107e269..11542072fe63d63a9405c6123cdb01cbfa13bef8 100644
--- a/src/core/support/time_posix.c
+++ b/src/core/lib/support/time_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -32,7 +32,7 @@
  */
 
 #include <grpc/support/port_platform.h>
-#include <src/core/support/time_precise.h>
+#include "src/core/lib/support/time_precise.h"
 
 #ifdef GPR_POSIX_TIME
 
@@ -44,7 +44,7 @@
 #endif
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include "src/core/support/block_annotate.h"
+#include "src/core/lib/support/block_annotate.h"
 
 static struct timespec timespec_from_gpr(gpr_timespec gts) {
   struct timespec rv;
@@ -78,7 +78,7 @@ static const clockid_t clockid_for_gpr_clock[] = {CLOCK_MONOTONIC,
 
 void gpr_time_init(void) { gpr_precise_clock_init(); }
 
-gpr_timespec gpr_now(gpr_clock_type clock_type) {
+static gpr_timespec now_impl(gpr_clock_type clock_type) {
   struct timespec now;
   GPR_ASSERT(clock_type != GPR_TIMESPAN);
   if (clock_type == GPR_CLOCK_PRECISE) {
@@ -98,9 +98,9 @@ gpr_timespec gpr_now(gpr_clock_type clock_type) {
 #else
 /* For some reason Apple's OSes haven't implemented clock_gettime. */
 
-#include <sys/time.h>
 #include <mach/mach.h>
 #include <mach/mach_time.h>
+#include <sys/time.h>
 
 static double g_time_scale;
 static uint64_t g_time_start;
@@ -114,7 +114,7 @@ void gpr_time_init(void) {
   g_time_start = mach_absolute_time();
 }
 
-gpr_timespec gpr_now(gpr_clock_type clock) {
+static gpr_timespec now_impl(gpr_clock_type clock) {
   gpr_timespec now;
   struct timeval now_tv;
   double now_dbl;
@@ -142,6 +142,12 @@ gpr_timespec gpr_now(gpr_clock_type clock) {
 }
 #endif
 
+gpr_timespec (*gpr_now_impl)(gpr_clock_type clock_type) = now_impl;
+
+gpr_timespec gpr_now(gpr_clock_type clock_type) {
+  return gpr_now_impl(clock_type);
+}
+
 void gpr_sleep_until(gpr_timespec until) {
   gpr_timespec now;
   gpr_timespec delta;
diff --git a/src/core/support/time_precise.c b/src/core/lib/support/time_precise.c
similarity index 100%
rename from src/core/support/time_precise.c
rename to src/core/lib/support/time_precise.c
diff --git a/src/core/support/time_precise.h b/src/core/lib/support/time_precise.h
similarity index 92%
rename from src/core/support/time_precise.h
rename to src/core/lib/support/time_precise.h
index 80c5000123d6bf7767a8a28dac682121af332e48..30818d04b9da54b25266c7ead52d1b1440775c83 100644
--- a/src/core/support/time_precise.h
+++ b/src/core/lib/support/time_precise.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_CORE_SUPPORT_TIME_PRECISE_H_
-#define GRPC_CORE_SUPPORT_TIME_PRECISE_H_
+#ifndef GRPC_CORE_LIB_SUPPORT_TIME_PRECISE_H
+#define GRPC_CORE_LIB_SUPPORT_TIME_PRECISE_H
 
 #include <grpc/support/time.h>
 
 void gpr_precise_clock_init(void);
 void gpr_precise_clock_now(gpr_timespec *clk);
 
-#endif /* GRPC_CORE_SUPPORT_TIME_PRECISE_ */
+#endif /* GRPC_CORE_LIB_SUPPORT_TIME_PRECISE_H */
diff --git a/src/core/support/time_win32.c b/src/core/lib/support/time_win32.c
similarity index 96%
rename from src/core/support/time_win32.c
rename to src/core/lib/support/time_win32.c
index 8af957e6f4f4cfd754147d35d167c3ac3290cfea..f7acbd14a676b2935a1be201263a6597e3004e91 100644
--- a/src/core/support/time_win32.c
+++ b/src/core/lib/support/time_win32.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,12 +39,12 @@
 
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include <src/core/support/time_precise.h>
-#include <sys/timeb.h>
-#include <process.h>
 #include <limits.h>
+#include <process.h>
+#include <sys/timeb.h>
 
-#include "src/core/support/block_annotate.h"
+#include "src/core/lib/support/block_annotate.h"
+#include "src/core/lib/support/time_precise.h"
 
 static LARGE_INTEGER g_start_time;
 static double g_time_scale;
diff --git a/src/core/support/tls_pthread.c b/src/core/lib/support/tls_pthread.c
similarity index 100%
rename from src/core/support/tls_pthread.c
rename to src/core/lib/support/tls_pthread.c
diff --git a/src/core/support/tmpfile.h b/src/core/lib/support/tmpfile.h
similarity index 91%
rename from src/core/support/tmpfile.h
rename to src/core/lib/support/tmpfile.h
index cecc71e2429c520c53ee5efbcbfbcc826bcee113..059142ab0ff11aa05f51a39c379b3a639a90e6f5 100644
--- a/src/core/support/tmpfile.h
+++ b/src/core/lib/support/tmpfile.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SUPPORT_TMPFILE_H
-#define GRPC_INTERNAL_CORE_SUPPORT_TMPFILE_H
+#ifndef GRPC_CORE_LIB_SUPPORT_TMPFILE_H
+#define GRPC_CORE_LIB_SUPPORT_TMPFILE_H
 
 #include <stdio.h>
 
@@ -52,4 +52,4 @@ FILE *gpr_tmpfile(const char *prefix, char **tmp_filename);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_SUPPORT_TMPFILE_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_TMPFILE_H */
diff --git a/src/core/support/tmpfile_posix.c b/src/core/lib/support/tmpfile_posix.c
similarity index 95%
rename from src/core/support/tmpfile_posix.c
rename to src/core/lib/support/tmpfile_posix.c
index b16eeacf9d4a9594060455ac07423cd8ba10748b..9e0e7ad80801d51ee6b28411cfae393c30d73994 100644
--- a/src/core/support/tmpfile_posix.c
+++ b/src/core/lib/support/tmpfile_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,7 +35,7 @@
 
 #ifdef GPR_POSIX_FILE
 
-#include "src/core/support/tmpfile.h"
+#include "src/core/lib/support/tmpfile.h"
 
 #include <errno.h>
 #include <stdlib.h>
@@ -46,7 +46,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 FILE *gpr_tmpfile(const char *prefix, char **tmp_filename) {
   FILE *result = NULL;
diff --git a/src/core/support/tmpfile_win32.c b/src/core/lib/support/tmpfile_win32.c
similarity index 95%
rename from src/core/support/tmpfile_win32.c
rename to src/core/lib/support/tmpfile_win32.c
index 3000f0029fe7e55d2617572031977638bbcd0760..0cb2904f8deccb799bfae1b7c3838bb414b80d22 100644
--- a/src/core/support/tmpfile_win32.c
+++ b/src/core/lib/support/tmpfile_win32.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,8 +44,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/string_win32.h"
-#include "src/core/support/tmpfile.h"
+#include "src/core/lib/support/string_win32.h"
+#include "src/core/lib/support/tmpfile.h"
 
 FILE *gpr_tmpfile(const char *prefix, char **tmp_filename_out) {
   FILE *result = NULL;
diff --git a/src/core/support/wrap_memcpy.c b/src/core/lib/support/wrap_memcpy.c
similarity index 100%
rename from src/core/support/wrap_memcpy.c
rename to src/core/lib/support/wrap_memcpy.c
diff --git a/src/core/surface/alarm.c b/src/core/lib/surface/alarm.c
similarity index 96%
rename from src/core/surface/alarm.c
rename to src/core/lib/surface/alarm.c
index 8169ede065511111a326a992623e4eefccef947d..2cf2f00b31c96f0a4d4eebe6afb780e500d1a598 100644
--- a/src/core/surface/alarm.c
+++ b/src/core/lib/surface/alarm.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,10 +31,10 @@
  *
  */
 
-#include "src/core/iomgr/timer.h"
-#include "src/core/surface/completion_queue.h"
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/surface/completion_queue.h"
 
 struct grpc_alarm {
   grpc_timer alarm;
diff --git a/src/core/surface/api_trace.c b/src/core/lib/surface/api_trace.c
similarity index 97%
rename from src/core/surface/api_trace.c
rename to src/core/lib/surface/api_trace.c
index 9f0b900d4671dd6103fdca6980d7f6a70f4f402c..79e3e5ca9b8b746dd9ad3977994fc7751640bcff 100644
--- a/src/core/surface/api_trace.c
+++ b/src/core/lib/surface/api_trace.c
@@ -31,6 +31,6 @@
  *
  */
 
-#include "src/core/surface/api_trace.h"
+#include "src/core/lib/surface/api_trace.h"
 
 int grpc_api_trace = 0;
diff --git a/src/core/surface/api_trace.h b/src/core/lib/surface/api_trace.h
similarity index 93%
rename from src/core/surface/api_trace.h
rename to src/core/lib/surface/api_trace.h
index 82bbf3b62b3a2231cc7602b249f4d48fada7ad8a..c60aaba5e97e90030a97b49c8ecaadba524b19b6 100644
--- a/src/core/surface/api_trace.h
+++ b/src/core/lib/surface/api_trace.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_API_TRACE_H
-#define GRPC_INTERNAL_CORE_SURFACE_API_TRACE_H
+#ifndef GRPC_CORE_LIB_SURFACE_API_TRACE_H
+#define GRPC_CORE_LIB_SURFACE_API_TRACE_H
 
-#include "src/core/debug/trace.h"
 #include <grpc/support/log.h>
+#include "src/core/lib/debug/trace.h"
 
 extern int grpc_api_trace;
 
@@ -62,4 +62,4 @@ extern int grpc_api_trace;
     gpr_log(GPR_INFO, fmt GRPC_API_TRACE_UNWRAP##nargs args); \
   }
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_API_TRACE_H */
+#endif /* GRPC_CORE_LIB_SURFACE_API_TRACE_H */
diff --git a/src/core/surface/byte_buffer.c b/src/core/lib/surface/byte_buffer.c
similarity index 96%
rename from src/core/surface/byte_buffer.c
rename to src/core/lib/surface/byte_buffer.c
index fb39c4531d9acca2d2cd2bd21ec4de2098fb2e5d..a093a37af32a76f3ba0db584bdaa84c779a98bbc 100644
--- a/src/core/surface/byte_buffer.c
+++ b/src/core/lib/surface/byte_buffer.c
@@ -44,7 +44,7 @@ grpc_byte_buffer *grpc_raw_byte_buffer_create(gpr_slice *slices,
 grpc_byte_buffer *grpc_raw_compressed_byte_buffer_create(
     gpr_slice *slices, size_t nslices, grpc_compression_algorithm compression) {
   size_t i;
-  grpc_byte_buffer *bb = malloc(sizeof(grpc_byte_buffer));
+  grpc_byte_buffer *bb = gpr_malloc(sizeof(grpc_byte_buffer));
   bb->type = GRPC_BB_RAW;
   bb->data.raw.compression = compression;
   gpr_slice_buffer_init(&bb->data.raw.slice_buffer);
@@ -57,7 +57,7 @@ grpc_byte_buffer *grpc_raw_compressed_byte_buffer_create(
 
 grpc_byte_buffer *grpc_raw_byte_buffer_from_reader(
     grpc_byte_buffer_reader *reader) {
-  grpc_byte_buffer *bb = malloc(sizeof(grpc_byte_buffer));
+  grpc_byte_buffer *bb = gpr_malloc(sizeof(grpc_byte_buffer));
   gpr_slice slice;
   bb->type = GRPC_BB_RAW;
   bb->data.raw.compression = GRPC_COMPRESS_NONE;
@@ -85,7 +85,7 @@ void grpc_byte_buffer_destroy(grpc_byte_buffer *bb) {
       gpr_slice_buffer_destroy(&bb->data.raw.slice_buffer);
       break;
   }
-  free(bb);
+  gpr_free(bb);
 }
 
 size_t grpc_byte_buffer_length(grpc_byte_buffer *bb) {
diff --git a/src/core/surface/byte_buffer_reader.c b/src/core/lib/surface/byte_buffer_reader.c
similarity index 98%
rename from src/core/surface/byte_buffer_reader.c
rename to src/core/lib/surface/byte_buffer_reader.c
index 4679854227377b7cc142d4a193ebe643ad57ee50..809fd5f1fa672e6b0e11e7860f11ab49ef2a8e9b 100644
--- a/src/core/surface/byte_buffer_reader.c
+++ b/src/core/lib/surface/byte_buffer_reader.c
@@ -31,17 +31,17 @@
  *
  */
 
-#include <string.h>
 #include <grpc/byte_buffer_reader.h>
+#include <string.h>
 
+#include <grpc/byte_buffer.h>
 #include <grpc/compression.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice_buffer.h>
-#include <grpc/byte_buffer.h>
 
-#include "src/core/compression/message_compress.h"
+#include "src/core/lib/compression/message_compress.h"
 
 static int is_compressed(grpc_byte_buffer *buffer) {
   switch (buffer->type) {
diff --git a/src/core/surface/call.c b/src/core/lib/surface/call.c
similarity index 93%
rename from src/core/surface/call.c
rename to src/core/lib/surface/call.c
index 1b117aa6b8ca752f7987688c474d159c9d60f2f5..fa12b6ea612ef6b691c4ddb7ca4270d5b1370448 100644
--- a/src/core/surface/call.c
+++ b/src/core/lib/surface/call.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,16 +43,16 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/compression/algorithm_metadata.h"
-#include "src/core/iomgr/timer.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/call.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/completion_queue.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/compression/algorithm_metadata.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/completion_queue.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 /** The maximum number of concurrent batches possible.
     Based upon the maximum number of individually queueable ops in the batch
@@ -81,11 +81,11 @@ typedef enum {
   /* Status came from the application layer overriding whatever
      the wire says */
   STATUS_FROM_API_OVERRIDE = 0,
-  /* Status was created by some internal channel stack operation */
-  STATUS_FROM_CORE,
   /* Status came from 'the wire' - or somewhere below the surface
      layer */
   STATUS_FROM_WIRE,
+  /* Status was created by some internal channel stack operation */
+  STATUS_FROM_CORE,
   /* Status came from the server sending status */
   STATUS_FROM_SERVER_STATUS,
   STATUS_SOURCE_COUNT
@@ -142,22 +142,23 @@ struct grpc_call {
   gpr_mu mu;
 
   /* client or server call */
-  uint8_t is_client;
+  bool is_client;
   /* is the alarm set */
-  uint8_t have_alarm;
+  bool have_alarm;
   /** has grpc_call_destroy been called */
-  uint8_t destroy_called;
+  bool destroy_called;
   /** flag indicating that cancellation is inherited */
-  uint8_t cancellation_is_inherited;
+  bool cancellation_is_inherited;
   /** bitmask of live batches */
   uint8_t used_batches;
   /** which ops are in-flight */
-  uint8_t sent_initial_metadata;
-  uint8_t sending_message;
-  uint8_t sent_final_op;
-  uint8_t received_initial_metadata;
-  uint8_t receiving_message;
-  uint8_t received_final_op;
+  bool sent_initial_metadata;
+  bool sending_message;
+  bool sent_final_op;
+  bool received_initial_metadata;
+  bool receiving_message;
+  bool requested_final_op;
+  bool received_final_op;
 
   /* have we received initial metadata */
   bool has_initial_md_been_received;
@@ -174,6 +175,9 @@ struct grpc_call {
   /* Received call statuses from various sources */
   received_status status[STATUS_SOURCE_COUNT];
 
+  /* Call stats: only valid after trailing metadata received */
+  grpc_transport_stream_stats stats;
+
   /* Compression algorithm for the call */
   grpc_compression_algorithm compression_algorithm;
   /* Supported encodings (compression algorithms), a bitset */
@@ -217,10 +221,7 @@ struct grpc_call {
     } server;
   } final_op;
 
-  struct {
-    void *bctlp;
-    bool success;
-  } saved_receiving_stream_ready_ctx;
+  void *saved_receiving_stream_ready_bctlp;
 };
 
 #define CALL_STACK_FROM_CALL(call) ((grpc_call_stack *)((call) + 1))
@@ -551,21 +552,6 @@ static int prepare_application_metadata(grpc_call *call, int count,
   int i;
   grpc_metadata_batch *batch =
       &call->metadata_batch[0 /* is_receiving */][is_trailing];
-  if (prepend_extra_metadata) {
-    if (call->send_extra_metadata_count == 0) {
-      prepend_extra_metadata = 0;
-    } else {
-      for (i = 0; i < call->send_extra_metadata_count; i++) {
-        GRPC_MDELEM_REF(call->send_extra_metadata[i].md);
-      }
-      for (i = 1; i < call->send_extra_metadata_count; i++) {
-        call->send_extra_metadata[i].prev = &call->send_extra_metadata[i - 1];
-      }
-      for (i = 0; i < call->send_extra_metadata_count - 1; i++) {
-        call->send_extra_metadata[i].next = &call->send_extra_metadata[i + 1];
-      }
-    }
-  }
   for (i = 0; i < count; i++) {
     grpc_metadata *md = &metadata[i];
     grpc_linked_mdelem *l = (grpc_linked_mdelem *)&md->internal_data;
@@ -576,14 +562,37 @@ static int prepare_application_metadata(grpc_call *call, int count,
                                   GRPC_MDSTR_LENGTH(l->md->key))) {
       gpr_log(GPR_ERROR, "attempt to send invalid metadata key: %s",
               grpc_mdstr_as_c_string(l->md->key));
-      return 0;
+      break;
     } else if (!grpc_is_binary_header(grpc_mdstr_as_c_string(l->md->key),
                                       GRPC_MDSTR_LENGTH(l->md->key)) &&
                !grpc_header_nonbin_value_is_legal(
                    grpc_mdstr_as_c_string(l->md->value),
                    GRPC_MDSTR_LENGTH(l->md->value))) {
       gpr_log(GPR_ERROR, "attempt to send invalid metadata value");
-      return 0;
+      break;
+    }
+  }
+  if (i != count) {
+    for (int j = 0; j <= i; j++) {
+      grpc_metadata *md = &metadata[j];
+      grpc_linked_mdelem *l = (grpc_linked_mdelem *)&md->internal_data;
+      GRPC_MDELEM_UNREF(l->md);
+    }
+    return 0;
+  }
+  if (prepend_extra_metadata) {
+    if (call->send_extra_metadata_count == 0) {
+      prepend_extra_metadata = 0;
+    } else {
+      for (i = 0; i < call->send_extra_metadata_count; i++) {
+        GRPC_MDELEM_REF(call->send_extra_metadata[i].md);
+      }
+      for (i = 1; i < call->send_extra_metadata_count; i++) {
+        call->send_extra_metadata[i].prev = &call->send_extra_metadata[i - 1];
+      }
+      for (i = 0; i < call->send_extra_metadata_count - 1; i++) {
+        call->send_extra_metadata[i].next = &call->send_extra_metadata[i + 1];
+      }
     }
   }
   for (i = 1; i < count; i++) {
@@ -909,7 +918,7 @@ static void set_cancelled_value(grpc_status_code status, void *dest) {
   *(int *)dest = (status != GRPC_STATUS_OK);
 }
 
-static int are_write_flags_valid(uint32_t flags) {
+static bool are_write_flags_valid(uint32_t flags) {
   /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */
   const uint32_t allowed_write_positions =
       (GRPC_WRITE_USED_MASK | GRPC_WRITE_INTERNAL_USED_MASK);
@@ -917,6 +926,15 @@ static int are_write_flags_valid(uint32_t flags) {
   return !(flags & invalid_positions);
 }
 
+static bool are_initial_metadata_flags_valid(uint32_t flags, bool is_client) {
+  /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */
+  uint32_t invalid_positions = ~GRPC_INITIAL_METADATA_USED_MASK;
+  if (!is_client) {
+    invalid_positions |= GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST;
+  }
+  return !(flags & invalid_positions);
+}
+
 static batch_control *allocate_batch_control(grpc_call *call) {
   size_t i;
   for (i = 0; i < MAX_CONCURRENT_BATCHES; i++) {
@@ -1045,12 +1063,12 @@ static void receiving_stream_ready(grpc_exec_ctx *exec_ctx, void *bctlp,
   grpc_call *call = bctl->call;
 
   gpr_mu_lock(&bctl->call->mu);
-  if (bctl->call->has_initial_md_been_received) {
+  if (bctl->call->has_initial_md_been_received || !success ||
+      call->receiving_stream == NULL) {
     gpr_mu_unlock(&bctl->call->mu);
     process_data_after_md(exec_ctx, bctlp, success);
   } else {
-    call->saved_receiving_stream_ready_ctx.bctlp = bctlp;
-    call->saved_receiving_stream_ready_ctx.success = success;
+    call->saved_receiving_stream_ready_bctlp = bctlp;
     gpr_mu_unlock(&bctl->call->mu);
   }
 }
@@ -1062,25 +1080,28 @@ static void receiving_initial_metadata_ready(grpc_exec_ctx *exec_ctx,
 
   gpr_mu_lock(&call->mu);
 
-  grpc_metadata_batch *md =
-      &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */];
-  grpc_metadata_batch_filter(md, recv_initial_filter, call);
-  call->has_initial_md_been_received = true;
-
-  if (gpr_time_cmp(md->deadline, gpr_inf_future(md->deadline.clock_type)) !=
-          0 &&
-      !call->is_client) {
-    GPR_TIMER_BEGIN("set_deadline_alarm", 0);
-    set_deadline_alarm(exec_ctx, call, md->deadline);
-    GPR_TIMER_END("set_deadline_alarm", 0);
+  if (!success) {
+    bctl->success = false;
+  } else {
+    grpc_metadata_batch *md =
+        &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */];
+    grpc_metadata_batch_filter(md, recv_initial_filter, call);
+
+    if (gpr_time_cmp(md->deadline, gpr_inf_future(md->deadline.clock_type)) !=
+            0 &&
+        !call->is_client) {
+      GPR_TIMER_BEGIN("set_deadline_alarm", 0);
+      set_deadline_alarm(exec_ctx, call, md->deadline);
+      GPR_TIMER_END("set_deadline_alarm", 0);
+    }
   }
 
-  if (call->saved_receiving_stream_ready_ctx.bctlp != NULL) {
+  call->has_initial_md_been_received = true;
+  if (call->saved_receiving_stream_ready_bctlp != NULL) {
     grpc_closure *saved_rsr_closure = grpc_closure_create(
-        receiving_stream_ready, call->saved_receiving_stream_ready_ctx.bctlp);
-    grpc_exec_ctx_enqueue(exec_ctx, saved_rsr_closure,
-                          call->saved_receiving_stream_ready_ctx.success, NULL);
-    call->saved_receiving_stream_ready_ctx.bctlp = NULL;
+        receiving_stream_ready, call->saved_receiving_stream_ready_bctlp);
+    call->saved_receiving_stream_ready_bctlp = NULL;
+    grpc_exec_ctx_enqueue(exec_ctx, saved_rsr_closure, success, NULL);
   }
 
   gpr_mu_unlock(&call->mu);
@@ -1098,6 +1119,9 @@ static void finish_batch(grpc_exec_ctx *exec_ctx, void *bctlp, bool success) {
 
   gpr_mu_lock(&call->mu);
   if (bctl->send_initial_metadata) {
+    if (!success) {
+      set_status_code(call, STATUS_FROM_CORE, GRPC_STATUS_UNAVAILABLE);
+    }
     grpc_metadata_batch_destroy(
         &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]);
   }
@@ -1113,6 +1137,7 @@ static void finish_batch(grpc_exec_ctx *exec_ctx, void *bctlp, bool success) {
         &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */];
     grpc_metadata_batch_filter(md, recv_trailing_filter, call);
 
+    call->received_final_op = true;
     if (call->have_alarm) {
       grpc_timer_cancel(exec_ctx, &call->alarm);
     }
@@ -1196,7 +1221,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx,
     switch (op->op) {
       case GRPC_OP_SEND_INITIAL_METADATA:
         /* Flag validation: currently allow no flags */
-        if (op->flags != 0) {
+        if (!are_initial_metadata_flags_valid(op->flags, call->is_client)) {
           error = GRPC_CALL_ERROR_INVALID_FLAGS;
           goto done_with_error;
         }
@@ -1220,6 +1245,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx,
         call->metadata_batch[0][0].deadline = call->send_deadline;
         stream_op.send_initial_metadata =
             &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */];
+        stream_op.send_initial_metadata_flags = op->flags;
         break;
       case GRPC_OP_SEND_MESSAGE:
         if (!are_write_flags_valid(op->flags)) {
@@ -1356,11 +1382,11 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx,
           error = GRPC_CALL_ERROR_NOT_ON_SERVER;
           goto done_with_error;
         }
-        if (call->received_final_op) {
+        if (call->requested_final_op) {
           error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS;
           goto done_with_error;
         }
-        call->received_final_op = 1;
+        call->requested_final_op = 1;
         call->buffered_metadata[1] =
             op->data.recv_status_on_client.trailing_metadata;
         call->final_op.client.status = op->data.recv_status_on_client.status;
@@ -1371,6 +1397,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx,
         bctl->recv_final_op = 1;
         stream_op.recv_trailing_metadata =
             &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */];
+        stream_op.collect_stats = &call->stats;
         break;
       case GRPC_OP_RECV_CLOSE_ON_SERVER:
         /* Flag validation: currently allow no flags */
@@ -1382,16 +1409,17 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx,
           error = GRPC_CALL_ERROR_NOT_ON_CLIENT;
           goto done_with_error;
         }
-        if (call->received_final_op) {
+        if (call->requested_final_op) {
           error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS;
           goto done_with_error;
         }
-        call->received_final_op = 1;
+        call->requested_final_op = 1;
         call->final_op.server.cancelled =
             op->data.recv_close_on_server.cancelled;
         bctl->recv_final_op = 1;
         stream_op.recv_trailing_metadata =
             &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */];
+        stream_op.collect_stats = &call->stats;
         break;
     }
   }
@@ -1434,7 +1462,7 @@ done_with_error:
     call->receiving_message = 0;
   }
   if (bctl->recv_final_op) {
-    call->received_final_op = 0;
+    call->requested_final_op = 0;
   }
   gpr_mu_unlock(&call->mu);
   goto done;
@@ -1481,3 +1509,11 @@ void *grpc_call_context_get(grpc_call *call, grpc_context_index elem) {
 }
 
 uint8_t grpc_call_is_client(grpc_call *call) { return call->is_client; }
+
+grpc_compression_algorithm grpc_call_compression_for_level(
+    grpc_call *call, grpc_compression_level level) {
+  gpr_mu_lock(&call->mu);
+  const uint32_t accepted_encodings = call->encodings_accepted_by_peer;
+  gpr_mu_unlock(&call->mu);
+  return grpc_compression_algorithm_for_level(level, accepted_encodings);
+}
diff --git a/src/core/surface/call.h b/src/core/lib/surface/call.h
similarity index 88%
rename from src/core/surface/call.h
rename to src/core/lib/surface/call.h
index 0bbffb98ae074aa3de53e106b465797dd8c2d5a1..2725e060b86b3ef8468d707b5e99e1bbde883703 100644
--- a/src/core/surface/call.h
+++ b/src/core/lib/surface/call.h
@@ -31,14 +31,16 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_CALL_H
-#define GRPC_INTERNAL_CORE_SURFACE_CALL_H
+#ifndef GRPC_CORE_LIB_SURFACE_CALL_H
+#define GRPC_CORE_LIB_SURFACE_CALL_H
+
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/channel/context.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/surface_trace.h"
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/channel/context.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/surface_trace.h"
 #include <grpc/grpc.h>
+#include <grpc/impl/codegen/compression_types.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -102,8 +104,13 @@ void *grpc_call_context_get(grpc_call *call, grpc_context_index elem);
 
 uint8_t grpc_call_is_client(grpc_call *call);
 
+/* Return an appropriate compression algorithm for the requested compression \a
+ * level in the context of \a call. */
+grpc_compression_algorithm grpc_call_compression_for_level(
+    grpc_call *call, grpc_compression_level level);
+
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_CALL_H */
+#endif /* GRPC_CORE_LIB_SURFACE_CALL_H */
diff --git a/src/core/surface/call_details.c b/src/core/lib/surface/call_details.c
similarity index 97%
rename from src/core/surface/call_details.c
rename to src/core/lib/surface/call_details.c
index 60f0029819c02c88699d6ab7088246e9ec03d64d..fe73da3f552c5dcb172d39103a796a30402dec24 100644
--- a/src/core/surface/call_details.c
+++ b/src/core/lib/surface/call_details.c
@@ -36,7 +36,7 @@
 
 #include <string.h>
 
-#include "src/core/surface/api_trace.h"
+#include "src/core/lib/surface/api_trace.h"
 
 void grpc_call_details_init(grpc_call_details* cd) {
   GRPC_API_TRACE("grpc_call_details_init(cd=%p)", 1, (cd));
diff --git a/src/core/surface/call_log_batch.c b/src/core/lib/surface/call_log_batch.c
similarity index 98%
rename from src/core/surface/call_log_batch.c
rename to src/core/lib/surface/call_log_batch.c
index 46756f418b499dd6073015fc8e9446e7a05a1b40..a6d1d5149f19beab613073533cb9f1765633433d 100644
--- a/src/core/surface/call_log_batch.c
+++ b/src/core/lib/surface/call_log_batch.c
@@ -31,11 +31,11 @@
  *
  */
 
-#include "src/core/surface/call.h"
+#include "src/core/lib/surface/call.h"
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/string_util.h>
+#include "src/core/lib/support/string.h"
 
 static void add_metadata(gpr_strvec *b, const grpc_metadata *md, size_t count) {
   size_t i;
diff --git a/src/core/surface/call_test_only.h b/src/core/lib/surface/call_test_only.h
similarity index 93%
rename from src/core/surface/call_test_only.h
rename to src/core/lib/surface/call_test_only.h
index b57c95c64a5b9a0c55c028672bf07d4b7c50c6d7..47088991d336b522ea3155ac132d2cc4c2cfce5f 100644
--- a/src/core/surface/call_test_only.h
+++ b/src/core/lib/surface/call_test_only.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_CALL_TEST_ONLY_H
-#define GRPC_INTERNAL_CORE_SURFACE_CALL_TEST_ONLY_H
+#ifndef GRPC_CORE_LIB_SURFACE_CALL_TEST_ONLY_H
+#define GRPC_CORE_LIB_SURFACE_CALL_TEST_ONLY_H
 
 #include <grpc/grpc.h>
 
@@ -61,4 +61,4 @@ uint32_t grpc_call_test_only_get_encodings_accepted_by_peer(grpc_call *call);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_CALL_TEST_ONLY_H */
+#endif /* GRPC_CORE_LIB_SURFACE_CALL_TEST_ONLY_H */
diff --git a/src/core/surface/channel.c b/src/core/lib/surface/channel.c
similarity index 88%
rename from src/core/surface/channel.c
rename to src/core/lib/surface/channel.c
index 12d8ebceb9045f08f76ba8e424ecdc611eee1782..b6b760b5d8d9930cc960c97046241839209ec3db 100644
--- a/src/core/surface/channel.c
+++ b/src/core/lib/surface/channel.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/surface/channel.h"
+#include "src/core/lib/surface/channel.h"
 
 #include <stdlib.h>
 #include <string.h>
@@ -40,13 +40,13 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/call.h"
-#include "src/core/surface/init.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
+#include "src/core/lib/surface/channel_init.h"
+#include "src/core/lib/surface/init.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 /** Cache grpc-status: X mdelems for X = 0..NUM_CACHED_STATUS_ELEMS.
  *  Avoids needing to take a metadata context lock for sending status
@@ -82,24 +82,37 @@ struct grpc_channel {
 
 static void destroy_channel(grpc_exec_ctx *exec_ctx, void *arg, bool success);
 
-grpc_channel *grpc_channel_create_from_filters(
-    grpc_exec_ctx *exec_ctx, const char *target,
-    const grpc_channel_filter **filters, size_t num_filters,
-    const grpc_channel_args *args, int is_client) {
-  size_t i;
-  size_t size =
-      sizeof(grpc_channel) + grpc_channel_stack_size(filters, num_filters);
-  grpc_channel *channel = gpr_malloc(size);
+grpc_channel *grpc_channel_create(grpc_exec_ctx *exec_ctx, const char *target,
+                                  const grpc_channel_args *input_args,
+                                  grpc_channel_stack_type channel_stack_type,
+                                  grpc_transport *optional_transport) {
+  bool is_client = grpc_channel_stack_type_is_client(channel_stack_type);
+
+  grpc_channel_stack_builder *builder = grpc_channel_stack_builder_create();
+  grpc_channel_stack_builder_set_channel_arguments(builder, input_args);
+  grpc_channel_stack_builder_set_target(builder, target);
+  grpc_channel_stack_builder_set_transport(builder, optional_transport);
+  grpc_channel *channel;
+  grpc_channel_args *args;
+  if (!grpc_channel_init_create_stack(exec_ctx, builder, channel_stack_type)) {
+    grpc_channel_stack_builder_destroy(builder);
+    return NULL;
+  } else {
+    args = grpc_channel_args_copy(
+        grpc_channel_stack_builder_get_channel_arguments(builder));
+    channel = grpc_channel_stack_builder_finish(
+        exec_ctx, builder, sizeof(grpc_channel), 1, destroy_channel, NULL);
+  }
+
   memset(channel, 0, sizeof(*channel));
   channel->target = gpr_strdup(target);
-  GPR_ASSERT(grpc_is_initialized() && "call grpc_init()");
   channel->is_client = is_client;
   gpr_mu_init(&channel->registered_call_mu);
   channel->registered_calls = NULL;
 
   channel->max_message_length = DEFAULT_MAX_MESSAGE_LENGTH;
   if (args) {
-    for (i = 0; i < args->num_args; i++) {
+    for (size_t i = 0; i < args->num_args; i++) {
       if (0 == strcmp(args->args[i].key, GRPC_ARG_MAX_MESSAGE_LENGTH)) {
         if (args->args[i].type != GRPC_ARG_INTEGER) {
           gpr_log(GPR_ERROR, "%s ignored: it must be an integer",
@@ -140,23 +153,9 @@ grpc_channel *grpc_channel_create_from_filters(
         }
       }
     }
+    grpc_channel_args_destroy(args);
   }
 
-  if (channel->is_client && channel->default_authority == NULL &&
-      target != NULL) {
-    char *default_authority = grpc_get_default_authority(target);
-    if (default_authority) {
-      channel->default_authority =
-          grpc_mdelem_from_strings(":authority", default_authority);
-    }
-    gpr_free(default_authority);
-  }
-
-  grpc_channel_stack_init(exec_ctx, 1, destroy_channel, channel, filters,
-                          num_filters, args,
-                          is_client ? "CLIENT_CHANNEL" : "SERVER_CHANNEL",
-                          CHANNEL_STACK_FROM_CHANNEL(channel));
-
   return channel;
 }
 
diff --git a/src/core/surface/channel.h b/src/core/lib/surface/channel.h
similarity index 84%
rename from src/core/surface/channel.h
rename to src/core/lib/surface/channel.h
index 00240c637fdcf5b67eb24cf47c4e5c653e36b7d9..22dae930e4c7436d3269066a01f21ca7371289f0 100644
--- a/src/core/surface/channel.h
+++ b/src/core/lib/surface/channel.h
@@ -31,16 +31,16 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_CHANNEL_H
-#define GRPC_INTERNAL_CORE_SURFACE_CHANNEL_H
+#ifndef GRPC_CORE_LIB_SURFACE_CHANNEL_H
+#define GRPC_CORE_LIB_SURFACE_CHANNEL_H
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/client_config/subchannel_factory.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/surface/channel_stack_type.h"
 
-grpc_channel *grpc_channel_create_from_filters(
-    grpc_exec_ctx *exec_ctx, const char *target,
-    const grpc_channel_filter **filters, size_t count,
-    const grpc_channel_args *args, int is_client);
+grpc_channel *grpc_channel_create(grpc_exec_ctx *exec_ctx, const char *target,
+                                  const grpc_channel_args *args,
+                                  grpc_channel_stack_type channel_stack_type,
+                                  grpc_transport *optional_transport);
 
 /** Get a (borrowed) pointer to this channels underlying channel stack */
 grpc_channel_stack *grpc_channel_get_channel_stack(grpc_channel *channel);
@@ -71,4 +71,4 @@ void grpc_channel_internal_unref(grpc_exec_ctx *exec_ctx,
   grpc_channel_internal_unref(exec_ctx, channel)
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_CHANNEL_H */
+#endif /* GRPC_CORE_LIB_SURFACE_CHANNEL_H */
diff --git a/src/core/lib/surface/channel_init.c b/src/core/lib/surface/channel_init.c
new file mode 100644
index 0000000000000000000000000000000000000000..0627b3447918bdbad62db02b6cda026a26e0a266
--- /dev/null
+++ b/src/core/lib/surface/channel_init.c
@@ -0,0 +1,140 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/surface/channel_init.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/useful.h>
+
+typedef struct stage_slot {
+  grpc_channel_init_stage fn;
+  void *arg;
+  int priority;
+  size_t insertion_order;
+} stage_slot;
+
+typedef struct stage_slots {
+  stage_slot *slots;
+  size_t num_slots;
+  size_t cap_slots;
+} stage_slots;
+
+static stage_slots g_slots[GRPC_NUM_CHANNEL_STACK_TYPES];
+static bool g_finalized;
+
+void grpc_channel_init_init(void) {
+  for (int i = 0; i < GRPC_NUM_CHANNEL_STACK_TYPES; i++) {
+    g_slots[i].slots = NULL;
+    g_slots[i].num_slots = 0;
+    g_slots[i].cap_slots = 0;
+  }
+  g_finalized = false;
+}
+
+void grpc_channel_init_register_stage(grpc_channel_stack_type type,
+                                      int priority,
+                                      grpc_channel_init_stage stage,
+                                      void *stage_arg) {
+  GPR_ASSERT(!g_finalized);
+  if (g_slots[type].cap_slots == g_slots[type].num_slots) {
+    g_slots[type].cap_slots = GPR_MAX(8, 3 * g_slots[type].cap_slots / 2);
+    g_slots[type].slots =
+        gpr_realloc(g_slots[type].slots,
+                    g_slots[type].cap_slots * sizeof(*g_slots[type].slots));
+  }
+  stage_slot *s = &g_slots[type].slots[g_slots[type].num_slots++];
+  s->insertion_order = g_slots[type].num_slots;
+  s->priority = priority;
+  s->fn = stage;
+  s->arg = stage_arg;
+}
+
+static int compare_slots(const void *a, const void *b) {
+  const stage_slot *sa = a;
+  const stage_slot *sb = b;
+
+  int c = GPR_ICMP(sa->priority, sb->priority);
+  if (c != 0) return c;
+  return GPR_ICMP(sa->insertion_order, sb->insertion_order);
+}
+
+void grpc_channel_init_finalize(void) {
+  GPR_ASSERT(!g_finalized);
+  for (int i = 0; i < GRPC_NUM_CHANNEL_STACK_TYPES; i++) {
+    qsort(g_slots[i].slots, g_slots[i].num_slots, sizeof(*g_slots[i].slots),
+          compare_slots);
+  }
+  g_finalized = true;
+}
+
+void grpc_channel_init_shutdown(void) {
+  for (int i = 0; i < GRPC_NUM_CHANNEL_STACK_TYPES; i++) {
+    gpr_free(g_slots[i].slots);
+    g_slots[i].slots = (void *)(uintptr_t)0xdeadbeef;
+  }
+}
+
+static const char *name_for_type(grpc_channel_stack_type type) {
+  switch (type) {
+    case GRPC_CLIENT_CHANNEL:
+      return "CLIENT_CHANNEL";
+    case GRPC_CLIENT_SUBCHANNEL:
+      return "CLIENT_SUBCHANNEL";
+    case GRPC_SERVER_CHANNEL:
+      return "SERVER_CHANNEL";
+    case GRPC_CLIENT_LAME_CHANNEL:
+      return "CLIENT_LAME_CHANNEL";
+    case GRPC_CLIENT_DIRECT_CHANNEL:
+      return "CLIENT_DIRECT_CHANNEL";
+    case GRPC_NUM_CHANNEL_STACK_TYPES:
+      break;
+  }
+  GPR_UNREACHABLE_CODE(return "UNKNOWN");
+}
+
+bool grpc_channel_init_create_stack(grpc_exec_ctx *exec_ctx,
+                                    grpc_channel_stack_builder *builder,
+                                    grpc_channel_stack_type type) {
+  GPR_ASSERT(g_finalized);
+
+  grpc_channel_stack_builder_set_name(builder, name_for_type(type));
+
+  for (size_t i = 0; i < g_slots[type].num_slots; i++) {
+    const stage_slot *slot = &g_slots[type].slots[i];
+    if (!slot->fn(builder, slot->arg)) {
+      return false;
+    }
+  }
+
+  return true;
+}
diff --git a/src/core/lib/surface/channel_init.h b/src/core/lib/surface/channel_init.h
new file mode 100644
index 0000000000000000000000000000000000000000..3a18a61ddb80e7ddfad72d157ec0805167b8e190
--- /dev/null
+++ b/src/core/lib/surface/channel_init.h
@@ -0,0 +1,87 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_SURFACE_CHANNEL_INIT_H
+#define GRPC_CORE_LIB_SURFACE_CHANNEL_INIT_H
+
+#include "src/core/lib/channel/channel_stack_builder.h"
+#include "src/core/lib/surface/channel_stack_type.h"
+#include "src/core/lib/transport/transport.h"
+
+#define GRPC_CHANNEL_INIT_BUILTIN_PRIORITY 10000
+
+/// This module provides a way for plugins (and the grpc core library itself)
+/// to register mutators for channel stacks.
+/// It also provides a universal entry path to run those mutators to build
+/// a channel stack for various subsystems.
+
+/// One stage of mutation: call functions against \a builder to influence the
+/// finally constructed channel stack
+typedef bool (*grpc_channel_init_stage)(grpc_channel_stack_builder *builder,
+                                        void *arg);
+
+/// Global initialization of the system
+void grpc_channel_init_init(void);
+
+/// Register one stage of mutators.
+/// Stages are run in priority order (lowest to highest), and then in
+/// registration order (in the case of a tie).
+/// Stages are registered against one of the pre-determined channel stack
+/// types.
+void grpc_channel_init_register_stage(grpc_channel_stack_type type,
+                                      int priority,
+                                      grpc_channel_init_stage stage_fn,
+                                      void *stage_arg);
+
+/// Finalize registration. No more calls to grpc_channel_init_register_stage are
+/// allowed.
+void grpc_channel_init_finalize(void);
+/// Shutdown the channel init system
+void grpc_channel_init_shutdown(void);
+
+/// Construct a channel stack of some sort: see channel_stack.h for details
+/// \a type is the type of channel stack to create
+/// \a prefix_bytes is the number of bytes before the channel stack to allocate
+/// \a args are configuration arguments for the channel stack
+/// \a initial_refs is the initial refcount to give the channel stack
+/// \a destroy and \a destroy_arg specify how to destroy the channel stack
+///    if destroy_arg is NULL, the returned value from this function will be
+///    substituted
+/// \a optional_transport is either NULL or a constructed transport object
+/// Returns a pointer to the base of the memory allocated (the actual channel
+/// stack object will be prefix_bytes past that pointer)
+bool grpc_channel_init_create_stack(grpc_exec_ctx *exec_ctx,
+                                    grpc_channel_stack_builder *builder,
+                                    grpc_channel_stack_type type);
+
+#endif /* GRPC_CORE_LIB_SURFACE_CHANNEL_INIT_H */
diff --git a/src/core/surface/channel_ping.c b/src/core/lib/surface/channel_ping.c
similarity index 94%
rename from src/core/surface/channel_ping.c
rename to src/core/lib/surface/channel_ping.c
index 983f1c8a66d7f29db84d9d59d0f6ec929cd822de..5a50698695702bba17eb445ee0718d4d73e31f0d 100644
--- a/src/core/surface/channel_ping.c
+++ b/src/core/lib/surface/channel_ping.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,15 +31,15 @@
  *
  */
 
-#include "src/core/surface/channel.h"
+#include "src/core/lib/surface/channel.h"
 
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/completion_queue.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/completion_queue.h"
 
 typedef struct {
   grpc_closure closure;
diff --git a/src/core/client_config/resolvers/sockaddr_resolver.h b/src/core/lib/surface/channel_stack_type.c
similarity index 73%
rename from src/core/client_config/resolvers/sockaddr_resolver.h
rename to src/core/lib/surface/channel_stack_type.c
index 1b7a18f9c2ac272950922162272afe37706577ef..c35d603ca3aaadcb9492456d89865810cb7e47f9 100644
--- a/src/core/client_config/resolvers/sockaddr_resolver.h
+++ b/src/core/lib/surface/channel_stack_type.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,20 +31,24 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_UNIX_RESOLVER_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_UNIX_RESOLVER_H
-
+#include "src/core/lib/surface/channel_stack_type.h"
+#include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 
-#include "src/core/client_config/resolver_factory.h"
-
-grpc_resolver_factory *grpc_ipv4_resolver_factory_create(void);
-
-grpc_resolver_factory *grpc_ipv6_resolver_factory_create(void);
-
-#ifdef GPR_POSIX_SOCKET
-/** Create a unix resolver factory */
-grpc_resolver_factory *grpc_unix_resolver_factory_create(void);
-#endif
-
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_UNIX_RESOLVER_H */
+bool grpc_channel_stack_type_is_client(grpc_channel_stack_type type) {
+  switch (type) {
+    case GRPC_CLIENT_CHANNEL:
+      return true;
+    case GRPC_CLIENT_SUBCHANNEL:
+      return true;
+    case GRPC_CLIENT_LAME_CHANNEL:
+      return true;
+    case GRPC_CLIENT_DIRECT_CHANNEL:
+      return true;
+    case GRPC_SERVER_CHANNEL:
+      return false;
+    case GRPC_NUM_CHANNEL_STACK_TYPES:
+      break;
+  }
+  GPR_UNREACHABLE_CODE(return true;);
+}
diff --git a/src/core/httpcli/parser.h b/src/core/lib/surface/channel_stack_type.h
similarity index 65%
rename from src/core/httpcli/parser.h
rename to src/core/lib/surface/channel_stack_type.h
index cd0383637fff9e461741402e215036d7ac037826..4eea4f1b0167d64833c42afa5ba6d7120b06e044 100644
--- a/src/core/httpcli/parser.h
+++ b/src/core/lib/surface/channel_stack_type.h
@@ -31,34 +31,28 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_HTTPCLI_PARSER_H
-#define GRPC_INTERNAL_CORE_HTTPCLI_PARSER_H
+#ifndef GRPC_CORE_LIB_SURFACE_CHANNEL_STACK_TYPE_H
+#define GRPC_CORE_LIB_SURFACE_CHANNEL_STACK_TYPE_H
 
-#include "src/core/httpcli/httpcli.h"
-#include <grpc/support/port_platform.h>
-#include <grpc/support/slice.h>
+#include <stdbool.h>
 
 typedef enum {
-  GRPC_HTTPCLI_INITIAL_RESPONSE,
-  GRPC_HTTPCLI_HEADERS,
-  GRPC_HTTPCLI_BODY
-} grpc_httpcli_parser_state;
-
-typedef struct {
-  grpc_httpcli_parser_state state;
-
-  grpc_httpcli_response r;
-  size_t body_capacity;
-  size_t hdr_capacity;
-
-  uint8_t cur_line[GRPC_HTTPCLI_MAX_HEADER_LENGTH];
-  size_t cur_line_length;
-} grpc_httpcli_parser;
-
-void grpc_httpcli_parser_init(grpc_httpcli_parser* parser);
-void grpc_httpcli_parser_destroy(grpc_httpcli_parser* parser);
-
-int grpc_httpcli_parser_parse(grpc_httpcli_parser* parser, gpr_slice slice);
-int grpc_httpcli_parser_eof(grpc_httpcli_parser* parser);
-
-#endif /* GRPC_INTERNAL_CORE_HTTPCLI_PARSER_H */
+  // normal top-half client channel with load-balancing, connection management
+  GRPC_CLIENT_CHANNEL,
+  // bottom-half of a client channel: everything that happens post-load
+  // balancing (bound to a specific transport)
+  GRPC_CLIENT_SUBCHANNEL,
+  // a permanently broken client channel
+  GRPC_CLIENT_LAME_CHANNEL,
+  // a directly connected client channel (without load-balancing, directly talks
+  // to a transport)
+  GRPC_CLIENT_DIRECT_CHANNEL,
+  // server side channel
+  GRPC_SERVER_CHANNEL,
+  // must be last
+  GRPC_NUM_CHANNEL_STACK_TYPES
+} grpc_channel_stack_type;
+
+bool grpc_channel_stack_type_is_client(grpc_channel_stack_type type);
+
+#endif /* GRPC_CORE_LIB_SURFACE_CHANNEL_STACK_TYPE_H */
diff --git a/src/core/surface/completion_queue.c b/src/core/lib/surface/completion_queue.c
similarity index 97%
rename from src/core/surface/completion_queue.c
rename to src/core/lib/surface/completion_queue.c
index b22818ea87dca423ea04bc0ff57291f15920b911..5ec8808b508525a81ead9ca0c1072d1f098d3e71 100644
--- a/src/core/surface/completion_queue.c
+++ b/src/core/lib/surface/completion_queue.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/surface/completion_queue.h"
+#include "src/core/lib/surface/completion_queue.h"
 
 #include <stdio.h>
 #include <string.h>
@@ -41,14 +41,14 @@
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 
-#include "src/core/iomgr/pollset.h"
-#include "src/core/iomgr/timer.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/call.h"
-#include "src/core/surface/event_string.h"
-#include "src/core/surface/surface_trace.h"
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
+#include "src/core/lib/surface/event_string.h"
+#include "src/core/lib/surface/surface_trace.h"
 
 typedef struct {
   grpc_pollset_worker **worker;
diff --git a/src/core/surface/completion_queue.h b/src/core/lib/surface/completion_queue.h
similarity index 94%
rename from src/core/surface/completion_queue.h
rename to src/core/lib/surface/completion_queue.h
index 27ef90f2d58a5027e65983332f85c26a504ac7b9..eef82cf01482624ab9a2c943b72c637f288fccf6 100644
--- a/src/core/surface/completion_queue.h
+++ b/src/core/lib/surface/completion_queue.h
@@ -31,13 +31,13 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_COMPLETION_QUEUE_H
-#define GRPC_INTERNAL_CORE_SURFACE_COMPLETION_QUEUE_H
+#ifndef GRPC_CORE_LIB_SURFACE_COMPLETION_QUEUE_H
+#define GRPC_CORE_LIB_SURFACE_COMPLETION_QUEUE_H
 
 /* Internal API for completion queues */
 
-#include "src/core/iomgr/pollset.h"
 #include <grpc/grpc.h>
+#include "src/core/lib/iomgr/pollset.h"
 
 typedef struct grpc_cq_completion {
   /** user supplied tag */
@@ -88,4 +88,4 @@ int grpc_cq_is_server_cq(grpc_completion_queue *cc);
 void grpc_cq_global_init(void);
 void grpc_cq_global_shutdown(void);
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_COMPLETION_QUEUE_H */
+#endif /* GRPC_CORE_LIB_SURFACE_COMPLETION_QUEUE_H */
diff --git a/src/core/surface/event_string.c b/src/core/lib/surface/event_string.c
similarity index 96%
rename from src/core/surface/event_string.c
rename to src/core/lib/surface/event_string.c
index 33cd4a43aa0393e4379b7c812b9cc47ae5c38fb3..1abc6ebf8c920fcd2340f48175e850f0fe371f17 100644
--- a/src/core/surface/event_string.c
+++ b/src/core/lib/surface/event_string.c
@@ -31,13 +31,13 @@
  *
  */
 
-#include "src/core/surface/event_string.h"
+#include "src/core/lib/surface/event_string.h"
 
 #include <stdio.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/support/string_util.h>
+#include "src/core/lib/support/string.h"
 
 static void addhdr(gpr_strvec *buf, grpc_event *ev) {
   char *tmp;
diff --git a/src/core/surface/event_string.h b/src/core/lib/surface/event_string.h
similarity index 91%
rename from src/core/surface/event_string.h
rename to src/core/lib/surface/event_string.h
index 07c474e3a021a4a42ef976692ce13258fcb7a572..bc1464380de495c8ebe9c620c1aba78348c008d3 100644
--- a/src/core/surface/event_string.h
+++ b/src/core/lib/surface/event_string.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_EVENT_STRING_H
-#define GRPC_INTERNAL_CORE_SURFACE_EVENT_STRING_H
+#ifndef GRPC_CORE_LIB_SURFACE_EVENT_STRING_H
+#define GRPC_CORE_LIB_SURFACE_EVENT_STRING_H
 
 #include <grpc/grpc.h>
 
 /* Returns a string describing an event. Must be later freed with gpr_free() */
 char *grpc_event_string(grpc_event *ev);
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_EVENT_STRING_H */
+#endif /* GRPC_CORE_LIB_SURFACE_EVENT_STRING_H */
diff --git a/src/core/lib/surface/init.c b/src/core/lib/surface/init.c
new file mode 100644
index 0000000000000000000000000000000000000000..03f379aba889ba3d66583f93dd22388605bdca16
--- /dev/null
+++ b/src/core/lib/surface/init.c
@@ -0,0 +1,216 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#include <limits.h>
+#include <memory.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/http/parser.h"
+#include "src/core/lib/iomgr/executor.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
+#include "src/core/lib/surface/channel_init.h"
+#include "src/core/lib/surface/completion_queue.h"
+#include "src/core/lib/surface/init.h"
+#include "src/core/lib/surface/lame_client.h"
+#include "src/core/lib/surface/server.h"
+#include "src/core/lib/surface/surface_trace.h"
+#include "src/core/lib/transport/connectivity_state.h"
+#include "src/core/lib/transport/transport_impl.h"
+
+/* (generated) built in registry of plugins */
+extern void grpc_register_built_in_plugins(void);
+
+#define MAX_PLUGINS 128
+
+static gpr_once g_basic_init = GPR_ONCE_INIT;
+static gpr_mu g_init_mu;
+static int g_initializations;
+
+static void do_basic_init(void) {
+  gpr_log_verbosity_init();
+  gpr_mu_init(&g_init_mu);
+  grpc_register_built_in_plugins();
+  g_initializations = 0;
+}
+
+static bool append_filter(grpc_channel_stack_builder *builder, void *arg) {
+  return grpc_channel_stack_builder_append_filter(
+      builder, (const grpc_channel_filter *)arg, NULL, NULL);
+}
+
+static bool prepend_filter(grpc_channel_stack_builder *builder, void *arg) {
+  return grpc_channel_stack_builder_prepend_filter(
+      builder, (const grpc_channel_filter *)arg, NULL, NULL);
+}
+
+static bool maybe_add_http_filter(grpc_channel_stack_builder *builder,
+                                  void *arg) {
+  grpc_transport *t = grpc_channel_stack_builder_get_transport(builder);
+  if (t && strstr(t->vtable->name, "http")) {
+    return grpc_channel_stack_builder_prepend_filter(
+        builder, (const grpc_channel_filter *)arg, NULL, NULL);
+  }
+  return true;
+}
+
+static void register_builtin_channel_init() {
+  grpc_channel_init_register_stage(
+      GRPC_CLIENT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, prepend_filter,
+      (void *)&grpc_compress_filter);
+  grpc_channel_init_register_stage(
+      GRPC_CLIENT_DIRECT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+      prepend_filter, (void *)&grpc_compress_filter);
+  grpc_channel_init_register_stage(
+      GRPC_SERVER_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, prepend_filter,
+      (void *)&grpc_compress_filter);
+  grpc_channel_init_register_stage(
+      GRPC_CLIENT_SUBCHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+      maybe_add_http_filter, (void *)&grpc_http_client_filter);
+  grpc_channel_init_register_stage(GRPC_CLIENT_SUBCHANNEL,
+                                   GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+                                   grpc_add_connected_filter, NULL);
+  grpc_channel_init_register_stage(
+      GRPC_CLIENT_DIRECT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+      maybe_add_http_filter, (void *)&grpc_http_client_filter);
+  grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL,
+                                   GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+                                   grpc_add_connected_filter, NULL);
+  grpc_channel_init_register_stage(
+      GRPC_SERVER_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+      maybe_add_http_filter, (void *)&grpc_http_server_filter);
+  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL,
+                                   GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+                                   grpc_add_connected_filter, NULL);
+  grpc_channel_init_register_stage(GRPC_CLIENT_LAME_CHANNEL,
+                                   GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+                                   append_filter, (void *)&grpc_lame_filter);
+  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX, prepend_filter,
+                                   (void *)&grpc_server_top_filter);
+}
+
+typedef struct grpc_plugin {
+  void (*init)();
+  void (*destroy)();
+} grpc_plugin;
+
+static grpc_plugin g_all_of_the_plugins[MAX_PLUGINS];
+static int g_number_of_plugins = 0;
+
+void grpc_register_plugin(void (*init)(void), void (*destroy)(void)) {
+  GRPC_API_TRACE("grpc_register_plugin(init=%p, destroy=%p)", 2,
+                 ((void *)(intptr_t)init, (void *)(intptr_t)destroy));
+  GPR_ASSERT(g_number_of_plugins != MAX_PLUGINS);
+  g_all_of_the_plugins[g_number_of_plugins].init = init;
+  g_all_of_the_plugins[g_number_of_plugins].destroy = destroy;
+  g_number_of_plugins++;
+}
+
+void grpc_init(void) {
+  int i;
+  gpr_once_init(&g_basic_init, do_basic_init);
+
+  gpr_mu_lock(&g_init_mu);
+  if (++g_initializations == 1) {
+    gpr_time_init();
+    grpc_mdctx_global_init();
+    grpc_channel_init_init();
+    grpc_register_tracer("api", &grpc_api_trace);
+    grpc_register_tracer("channel", &grpc_trace_channel);
+    grpc_register_tracer("connectivity_state", &grpc_connectivity_state_trace);
+    grpc_register_tracer("channel_stack_builder",
+                         &grpc_trace_channel_stack_builder);
+    grpc_register_tracer("http1", &grpc_http1_trace);
+    grpc_security_pre_init();
+    grpc_iomgr_init();
+    grpc_executor_init();
+    grpc_tracer_init("GRPC_TRACE");
+    gpr_timers_global_init();
+    grpc_cq_global_init();
+    for (i = 0; i < g_number_of_plugins; i++) {
+      if (g_all_of_the_plugins[i].init != NULL) {
+        g_all_of_the_plugins[i].init();
+      }
+    }
+    /* register channel finalization AFTER all plugins, to ensure that it's run
+     * at the appropriate time */
+    grpc_register_security_filters();
+    register_builtin_channel_init();
+    /* no more changes to channel init pipelines */
+    grpc_channel_init_finalize();
+  }
+  gpr_mu_unlock(&g_init_mu);
+  GRPC_API_TRACE("grpc_init(void)", 0, ());
+}
+
+void grpc_shutdown(void) {
+  int i;
+  GRPC_API_TRACE("grpc_shutdown(void)", 0, ());
+  gpr_mu_lock(&g_init_mu);
+  if (--g_initializations == 0) {
+    grpc_executor_shutdown();
+    grpc_cq_global_shutdown();
+    grpc_iomgr_shutdown();
+    gpr_timers_global_destroy();
+    grpc_tracer_shutdown();
+    for (i = g_number_of_plugins; i >= 0; i--) {
+      if (g_all_of_the_plugins[i].destroy != NULL) {
+        g_all_of_the_plugins[i].destroy();
+      }
+    }
+    grpc_mdctx_global_shutdown();
+  }
+  gpr_mu_unlock(&g_init_mu);
+}
+
+int grpc_is_initialized(void) {
+  int r;
+  gpr_once_init(&g_basic_init, do_basic_init);
+  gpr_mu_lock(&g_init_mu);
+  r = g_initializations > 0;
+  gpr_mu_unlock(&g_init_mu);
+  return r;
+}
diff --git a/src/core/surface/init.h b/src/core/lib/surface/init.h
similarity index 91%
rename from src/core/surface/init.h
rename to src/core/lib/surface/init.h
index 771c30f41257848118b5faf2dce2e07230f73a38..b1bf57c10d197e8ef06cb377d0707cfeb1e683b0 100644
--- a/src/core/surface/init.h
+++ b/src/core/lib/surface/init.h
@@ -31,10 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_INIT_H
-#define GRPC_INTERNAL_CORE_SURFACE_INIT_H
+#ifndef GRPC_CORE_LIB_SURFACE_INIT_H
+#define GRPC_CORE_LIB_SURFACE_INIT_H
 
+void grpc_register_security_filters(void);
 void grpc_security_pre_init(void);
 int grpc_is_initialized(void);
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_INIT_H */
+#endif /* GRPC_CORE_LIB_SURFACE_INIT_H */
diff --git a/src/core/lib/surface/init_secure.c b/src/core/lib/surface/init_secure.c
new file mode 100644
index 0000000000000000000000000000000000000000..3fda2c9e1e45e6305338cf98fa6a317a3445d818
--- /dev/null
+++ b/src/core/lib/surface/init_secure.c
@@ -0,0 +1,89 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/surface/init.h"
+
+#include <limits.h>
+#include <string.h>
+
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/security/auth_filters.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/secure_endpoint.h"
+#include "src/core/lib/security/security_connector.h"
+#include "src/core/lib/surface/channel_init.h"
+#include "src/core/lib/tsi/transport_security_interface.h"
+
+void grpc_security_pre_init(void) {
+  grpc_register_tracer("secure_endpoint", &grpc_trace_secure_endpoint);
+  grpc_register_tracer("transport_security", &tsi_tracing_enabled);
+}
+
+static bool maybe_prepend_client_auth_filter(
+    grpc_channel_stack_builder *builder, void *arg) {
+  const grpc_channel_args *args =
+      grpc_channel_stack_builder_get_channel_arguments(builder);
+  if (args) {
+    for (size_t i = 0; i < args->num_args; i++) {
+      if (0 == strcmp(GRPC_SECURITY_CONNECTOR_ARG, args->args[i].key)) {
+        return grpc_channel_stack_builder_prepend_filter(
+            builder, &grpc_client_auth_filter, NULL, NULL);
+      }
+    }
+  }
+  return true;
+}
+
+static bool maybe_prepend_server_auth_filter(
+    grpc_channel_stack_builder *builder, void *arg) {
+  const grpc_channel_args *args =
+      grpc_channel_stack_builder_get_channel_arguments(builder);
+  if (args) {
+    for (size_t i = 0; i < args->num_args; i++) {
+      if (0 == strcmp(GRPC_SERVER_CREDENTIALS_ARG, args->args[i].key)) {
+        return grpc_channel_stack_builder_prepend_filter(
+            builder, &grpc_server_auth_filter, NULL, NULL);
+      }
+    }
+  }
+  return true;
+}
+
+void grpc_register_security_filters(void) {
+  grpc_channel_init_register_stage(GRPC_CLIENT_SUBCHANNEL, INT_MAX,
+                                   maybe_prepend_client_auth_filter, NULL);
+  grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL, INT_MAX,
+                                   maybe_prepend_client_auth_filter, NULL);
+  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX,
+                                   maybe_prepend_server_auth_filter, NULL);
+}
diff --git a/src/core/surface/init_unsecure.c b/src/core/lib/surface/init_unsecure.c
similarity index 94%
rename from src/core/surface/init_unsecure.c
rename to src/core/lib/surface/init_unsecure.c
index 630d564a7d849c4bb6b2f57fc582e4704dd2e356..f952739e0a9d7360fb6820287b3ce6062da5c3d4 100644
--- a/src/core/surface/init_unsecure.c
+++ b/src/core/lib/surface/init_unsecure.c
@@ -31,6 +31,8 @@
  *
  */
 
-#include "src/core/surface/init.h"
+#include "src/core/lib/surface/init.h"
 
 void grpc_security_pre_init(void) {}
+
+void grpc_register_security_filters(void) {}
diff --git a/src/core/surface/lame_client.c b/src/core/lib/surface/lame_client.c
similarity index 84%
rename from src/core/surface/lame_client.c
rename to src/core/lib/surface/lame_client.c
index 537069e9848c087d18969d6022ffc9545531f611..80bd95df68cd437fa1bae9a9b2e6b209d32001bf 100644
--- a/src/core/surface/lame_client.c
+++ b/src/core/lib/surface/lame_client.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,17 +31,19 @@
  *
  */
 
+#include "src/core/lib/surface/lame_client.h"
+
 #include <grpc/grpc.h>
 
 #include <string.h>
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/call.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
+#include "src/core/lib/surface/channel.h"
 
 typedef struct {
   grpc_linked_mdelem status;
@@ -97,6 +99,9 @@ static void lame_start_transport_op(grpc_exec_ctx *exec_ctx,
   if (op->on_consumed != NULL) {
     op->on_consumed->cb(exec_ctx, op->on_consumed->cb_arg, 1);
   }
+  if (op->send_ping != NULL) {
+    op->send_ping->cb(exec_ctx, op->send_ping->cb_arg, 0);
+  }
 }
 
 static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
@@ -115,11 +120,18 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx,
 static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
                                  grpc_channel_element *elem) {}
 
-static const grpc_channel_filter lame_filter = {
-    lame_start_transport_stream_op, lame_start_transport_op, sizeof(call_data),
-    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
-    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
-    lame_get_peer, "lame-client",
+const grpc_channel_filter grpc_lame_filter = {
+    lame_start_transport_stream_op,
+    lame_start_transport_op,
+    sizeof(call_data),
+    init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    lame_get_peer,
+    "lame-client",
 };
 
 #define CHANNEL_STACK_FROM_CHANNEL(c) ((grpc_channel_stack *)((c) + 1))
@@ -127,19 +139,17 @@ static const grpc_channel_filter lame_filter = {
 grpc_channel *grpc_lame_client_channel_create(const char *target,
                                               grpc_status_code error_code,
                                               const char *error_message) {
-  grpc_channel *channel;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_channel_element *elem;
   channel_data *chand;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  static const grpc_channel_filter *filters[] = {&lame_filter};
-  channel =
-      grpc_channel_create_from_filters(&exec_ctx, target, filters, 1, NULL, 1);
+  grpc_channel *channel = grpc_channel_create(&exec_ctx, target, NULL,
+                                              GRPC_CLIENT_LAME_CHANNEL, NULL);
   elem = grpc_channel_stack_element(grpc_channel_get_channel_stack(channel), 0);
   GRPC_API_TRACE(
       "grpc_lame_client_channel_create(target=%s, error_code=%d, "
       "error_message=%s)",
       3, (target, (int)error_code, error_message));
-  GPR_ASSERT(elem->filter == &lame_filter);
+  GPR_ASSERT(elem->filter == &grpc_lame_filter);
   chand = (channel_data *)elem->channel_data;
   chand->error_code = error_code;
   chand->error_message = error_message;
diff --git a/src/core/lib/surface/lame_client.h b/src/core/lib/surface/lame_client.h
new file mode 100644
index 0000000000000000000000000000000000000000..5f6ea34d4be48b6efc01f3a52ad5311fb2f3dea7
--- /dev/null
+++ b/src/core/lib/surface/lame_client.h
@@ -0,0 +1,41 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_SURFACE_LAME_CLIENT_H
+#define GRPC_CORE_LIB_SURFACE_LAME_CLIENT_H
+
+#include "src/core/lib/channel/channel_stack.h"
+
+extern const grpc_channel_filter grpc_lame_filter;
+
+#endif /* GRPC_CORE_LIB_SURFACE_LAME_CLIENT_H */
diff --git a/src/core/surface/metadata_array.c b/src/core/lib/surface/metadata_array.c
similarity index 97%
rename from src/core/surface/metadata_array.c
rename to src/core/lib/surface/metadata_array.c
index 4c7bf17835aadabecd9a88cb3499c25770616490..6c2b750e1d192d4bf691c2fe01caa42478156a35 100644
--- a/src/core/surface/metadata_array.c
+++ b/src/core/lib/surface/metadata_array.c
@@ -36,7 +36,7 @@
 
 #include <string.h>
 
-#include "src/core/surface/api_trace.h"
+#include "src/core/lib/surface/api_trace.h"
 
 void grpc_metadata_array_init(grpc_metadata_array* array) {
   GRPC_API_TRACE("grpc_metadata_array_init(array=%p)", 1, (array));
diff --git a/src/core/surface/server.c b/src/core/lib/surface/server.c
similarity index 88%
rename from src/core/surface/server.c
rename to src/core/lib/surface/server.c
index 5b13d4ba526dc84fd070097704c9bbaef7ec9bbb..ad8ee8c7a99ef3dc90fad5866e0c55a18c8296d8 100644
--- a/src/core/surface/server.c
+++ b/src/core/lib/surface/server.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/surface/server.h"
+#include "src/core/lib/surface/server.h"
 
 #include <limits.h>
 #include <stdlib.h>
@@ -42,19 +42,18 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/census/grpc_filter.h"
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/support/stack_lockfree.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/call.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/completion_queue.h"
-#include "src/core/surface/init.h"
-#include "src/core/transport/metadata.h"
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/support/stack_lockfree.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/call.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/completion_queue.h"
+#include "src/core/lib/surface/init.h"
+#include "src/core/lib/transport/metadata.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 typedef struct listener {
   void *arg;
@@ -96,11 +95,11 @@ typedef struct requested_call {
       grpc_byte_buffer **optional_payload;
     } registered;
   } data;
-  grpc_closure publish;
 } requested_call;
 
 typedef struct channel_registered_method {
   registered_method *server_registered_method;
+  uint32_t flags;
   grpc_mdstr *method;
   grpc_mdstr *host;
 } channel_registered_method;
@@ -153,17 +152,24 @@ struct call_data {
   grpc_completion_queue *cq_new;
 
   grpc_metadata_batch *recv_initial_metadata;
+  bool recv_idempotent_request;
   grpc_metadata_array initial_metadata;
 
+  request_matcher *request_matcher;
+  grpc_byte_buffer *payload;
+
   grpc_closure got_initial_metadata;
   grpc_closure server_on_recv_initial_metadata;
   grpc_closure kill_zombie_closure;
   grpc_closure *on_done_recv_initial_metadata;
 
+  grpc_closure publish;
+
   call_data *pending_next;
 };
 
 struct request_matcher {
+  grpc_server *server;
   call_data *pending_head;
   call_data *pending_tail;
   gpr_stack_lockfree *requests;
@@ -172,6 +178,8 @@ struct request_matcher {
 struct registered_method {
   char *method;
   char *host;
+  grpc_server_register_method_payload_handling payload_handling;
+  uint32_t flags;
   request_matcher request_matcher;
   registered_method *next;
 };
@@ -182,8 +190,6 @@ typedef struct {
 } channel_broadcaster;
 
 struct grpc_server {
-  size_t channel_filter_count;
-  grpc_channel_filter const **channel_filters;
   grpc_channel_args *channel_args;
 
   grpc_completion_queue **cqs;
@@ -226,8 +232,7 @@ struct grpc_server {
 #define SERVER_FROM_CALL_ELEM(elem) \
   (((channel_data *)(elem)->channel_data)->server)
 
-static void begin_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
-                       call_data *calld, requested_call *rc);
+static void publish_new_rpc(grpc_exec_ctx *exec_ctx, void *calld, bool success);
 static void fail_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
                       requested_call *rc);
 /* Before calling maybe_finish_shutdown, we must hold mu_global and not
@@ -303,8 +308,10 @@ static void channel_broadcaster_shutdown(grpc_exec_ctx *exec_ctx,
  * request_matcher
  */
 
-static void request_matcher_init(request_matcher *rm, size_t entries) {
+static void request_matcher_init(request_matcher *rm, size_t entries,
+                                 grpc_server *server) {
   memset(rm, 0, sizeof(*rm));
+  rm->server = server;
   rm->requests = gpr_stack_lockfree_create(entries);
 }
 
@@ -355,7 +362,6 @@ static void server_delete(grpc_exec_ctx *exec_ctx, grpc_server *server) {
   grpc_channel_args_destroy(server->channel_args);
   gpr_mu_destroy(&server->mu_global);
   gpr_mu_destroy(&server->mu_call);
-  gpr_free((void *)server->channel_filters);
   while ((rm = server->registered_methods) != NULL) {
     server->registered_methods = rm->next;
     request_matcher_destroy(&rm->request_matcher);
@@ -418,21 +424,90 @@ static void destroy_channel(grpc_exec_ctx *exec_ctx, channel_data *chand) {
                        &op);
 }
 
-static void finish_start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_server *server,
-                                 grpc_call_element *elem, request_matcher *rm) {
-  call_data *calld = elem->call_data;
-  int request_id;
+static void cpstr(char **dest, size_t *capacity, grpc_mdstr *value) {
+  gpr_slice slice = value->slice;
+  size_t len = GPR_SLICE_LENGTH(slice);
 
-  if (gpr_atm_acq_load(&server->shutdown_flag)) {
+  if (len + 1 > *capacity) {
+    *capacity = GPR_MAX(len + 1, *capacity * 2);
+    *dest = gpr_realloc(*dest, *capacity);
+  }
+  memcpy(*dest, grpc_mdstr_as_c_string(value), len + 1);
+}
+
+static void done_request_event(grpc_exec_ctx *exec_ctx, void *req,
+                               grpc_cq_completion *c) {
+  requested_call *rc = req;
+  grpc_server *server = rc->server;
+
+  if (rc >= server->requested_calls &&
+      rc < server->requested_calls + server->max_requested_calls) {
+    GPR_ASSERT(rc - server->requested_calls <= INT_MAX);
+    gpr_stack_lockfree_push(server->request_freelist,
+                            (int)(rc - server->requested_calls));
+  } else {
+    gpr_free(req);
+  }
+
+  server_unref(exec_ctx, server);
+}
+
+static void publish_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
+                         call_data *calld, requested_call *rc) {
+  grpc_call_set_completion_queue(exec_ctx, calld->call, rc->cq_bound_to_call);
+  grpc_call *call = calld->call;
+  *rc->call = call;
+  calld->cq_new = rc->cq_for_notification;
+  GPR_SWAP(grpc_metadata_array, *rc->initial_metadata, calld->initial_metadata);
+  switch (rc->type) {
+    case BATCH_CALL:
+      GPR_ASSERT(calld->host != NULL);
+      GPR_ASSERT(calld->path != NULL);
+      cpstr(&rc->data.batch.details->host,
+            &rc->data.batch.details->host_capacity, calld->host);
+      cpstr(&rc->data.batch.details->method,
+            &rc->data.batch.details->method_capacity, calld->path);
+      rc->data.batch.details->deadline = calld->deadline;
+      rc->data.batch.details->flags =
+          0 | (calld->recv_idempotent_request
+                   ? GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST
+                   : 0);
+      break;
+    case REGISTERED_CALL:
+      *rc->data.registered.deadline = calld->deadline;
+      if (rc->data.registered.optional_payload) {
+        *rc->data.registered.optional_payload = calld->payload;
+      }
+      break;
+    default:
+      GPR_UNREACHABLE_CODE(return );
+  }
+
+  grpc_call_element *elem =
+      grpc_call_stack_element(grpc_call_get_call_stack(call), 0);
+  channel_data *chand = elem->channel_data;
+  server_ref(chand->server);
+  grpc_cq_end_op(exec_ctx, calld->cq_new, rc->tag, true, done_request_event, rc,
+                 &rc->completion);
+}
+
+static void publish_new_rpc(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
+  call_data *calld = arg;
+  request_matcher *rm = calld->request_matcher;
+  grpc_server *server = rm->server;
+
+  if (!success || gpr_atm_acq_load(&server->shutdown_flag)) {
     gpr_mu_lock(&calld->mu_state);
     calld->state = ZOMBIED;
     gpr_mu_unlock(&calld->mu_state);
-    grpc_closure_init(&calld->kill_zombie_closure, kill_zombie, elem);
+    grpc_closure_init(
+        &calld->kill_zombie_closure, kill_zombie,
+        grpc_call_stack_element(grpc_call_get_call_stack(calld->call), 0));
     grpc_exec_ctx_enqueue(exec_ctx, &calld->kill_zombie_closure, true, NULL);
     return;
   }
 
-  request_id = gpr_stack_lockfree_pop(rm->requests);
+  int request_id = gpr_stack_lockfree_pop(rm->requests);
   if (request_id == -1) {
     gpr_mu_lock(&server->mu_call);
     gpr_mu_lock(&calld->mu_state);
@@ -450,7 +525,41 @@ static void finish_start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_server *server,
     gpr_mu_lock(&calld->mu_state);
     calld->state = ACTIVATED;
     gpr_mu_unlock(&calld->mu_state);
-    begin_call(exec_ctx, server, calld, &server->requested_calls[request_id]);
+    publish_call(exec_ctx, server, calld, &server->requested_calls[request_id]);
+  }
+}
+
+static void finish_start_new_rpc(
+    grpc_exec_ctx *exec_ctx, grpc_server *server, grpc_call_element *elem,
+    request_matcher *rm,
+    grpc_server_register_method_payload_handling payload_handling) {
+  call_data *calld = elem->call_data;
+
+  if (gpr_atm_acq_load(&server->shutdown_flag)) {
+    gpr_mu_lock(&calld->mu_state);
+    calld->state = ZOMBIED;
+    gpr_mu_unlock(&calld->mu_state);
+    grpc_closure_init(&calld->kill_zombie_closure, kill_zombie, elem);
+    grpc_exec_ctx_enqueue(exec_ctx, &calld->kill_zombie_closure, true, NULL);
+    return;
+  }
+
+  calld->request_matcher = rm;
+
+  switch (payload_handling) {
+    case GRPC_SRM_PAYLOAD_NONE:
+      publish_new_rpc(exec_ctx, calld, true);
+      break;
+    case GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER: {
+      grpc_op op;
+      memset(&op, 0, sizeof(op));
+      op.op = GRPC_OP_RECV_MESSAGE;
+      op.data.recv_message = &calld->payload;
+      grpc_closure_init(&calld->publish, publish_new_rpc, calld);
+      grpc_call_start_batch_and_execute(exec_ctx, calld->call, &op, 1,
+                                        &calld->publish);
+      break;
+    }
   }
 }
 
@@ -472,8 +581,12 @@ static void start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
       if (!rm) break;
       if (rm->host != calld->host) continue;
       if (rm->method != calld->path) continue;
+      if ((rm->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) &&
+          !calld->recv_idempotent_request)
+        continue;
       finish_start_new_rpc(exec_ctx, server, elem,
-                           &rm->server_registered_method->request_matcher);
+                           &rm->server_registered_method->request_matcher,
+                           rm->server_registered_method->payload_handling);
       return;
     }
     /* check for a wildcard method definition (no host set) */
@@ -484,13 +597,18 @@ static void start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
       if (!rm) break;
       if (rm->host != NULL) continue;
       if (rm->method != calld->path) continue;
+      if ((rm->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) &&
+          !calld->recv_idempotent_request)
+        continue;
       finish_start_new_rpc(exec_ctx, server, elem,
-                           &rm->server_registered_method->request_matcher);
+                           &rm->server_registered_method->request_matcher,
+                           rm->server_registered_method->payload_handling);
       return;
     }
   }
   finish_start_new_rpc(exec_ctx, server, elem,
-                       &server->unregistered_request_matcher);
+                       &server->unregistered_request_matcher,
+                       GRPC_SRM_PAYLOAD_NONE);
 }
 
 static int num_listeners(grpc_server *server) {
@@ -567,10 +685,14 @@ static grpc_mdelem *server_filter(void *user_data, grpc_mdelem *md) {
   grpc_call_element *elem = user_data;
   call_data *calld = elem->call_data;
   if (md->key == GRPC_MDSTR_PATH) {
-    calld->path = GRPC_MDSTR_REF(md->value);
+    if (calld->path == NULL) {
+      calld->path = GRPC_MDSTR_REF(md->value);
+    }
     return NULL;
   } else if (md->key == GRPC_MDSTR_AUTHORITY) {
-    calld->host = GRPC_MDSTR_REF(md->value);
+    if (calld->host == NULL) {
+      calld->host = GRPC_MDSTR_REF(md->value);
+    }
     return NULL;
   }
   return md;
@@ -602,9 +724,11 @@ static void server_mutate_op(grpc_call_element *elem,
   call_data *calld = elem->call_data;
 
   if (op->recv_initial_metadata != NULL) {
+    GPR_ASSERT(op->recv_idempotent_request == NULL);
     calld->recv_initial_metadata = op->recv_initial_metadata;
     calld->on_done_recv_initial_metadata = op->recv_initial_metadata_ready;
     op->recv_initial_metadata_ready = &calld->server_on_recv_initial_metadata;
+    op->recv_idempotent_request = &calld->recv_idempotent_request;
   }
 }
 
@@ -757,11 +881,18 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
   }
 }
 
-static const grpc_channel_filter server_surface_filter = {
-    server_start_transport_stream_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
-    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
-    grpc_call_next_get_peer, "server",
+const grpc_channel_filter grpc_server_top_filter = {
+    server_start_transport_stream_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "server",
 };
 
 void grpc_server_register_completion_queue(grpc_server *server,
@@ -783,11 +914,10 @@ void grpc_server_register_completion_queue(grpc_server *server,
   server->cqs[n] = cq;
 }
 
-grpc_server *grpc_server_create_from_filters(
-    const grpc_channel_filter **filters, size_t filter_count,
-    const grpc_channel_args *args) {
+grpc_server *grpc_server_create(const grpc_channel_args *args, void *reserved) {
   size_t i;
-  int census_enabled = grpc_channel_args_is_census_enabled(args);
+
+  GRPC_API_TRACE("grpc_server_create(%p, %p)", 2, (args, reserved));
 
   grpc_server *server = gpr_malloc(sizeof(grpc_server));
 
@@ -811,27 +941,10 @@ grpc_server *grpc_server_create_from_filters(
     gpr_stack_lockfree_push(server->request_freelist, (int)i);
   }
   request_matcher_init(&server->unregistered_request_matcher,
-                       server->max_requested_calls);
+                       server->max_requested_calls, server);
   server->requested_calls = gpr_malloc(server->max_requested_calls *
                                        sizeof(*server->requested_calls));
 
-  /* Server filter stack is:
-
-     server_surface_filter - for making surface API calls
-     grpc_server_census_filter (optional) - for stats collection and tracing
-     {passed in filter stack}
-     grpc_connected_channel_filter - for interfacing with transports */
-  server->channel_filter_count = filter_count + 1u + (census_enabled ? 1u : 0u);
-  server->channel_filters =
-      gpr_malloc(server->channel_filter_count * sizeof(grpc_channel_filter *));
-  server->channel_filters[0] = &server_surface_filter;
-  if (census_enabled) {
-    server->channel_filters[1] = &grpc_server_census_filter;
-  }
-  for (i = 0; i < filter_count; i++) {
-    server->channel_filters[i + 1u + (census_enabled ? 1u : 0u)] = filters[i];
-  }
-
   server->channel_args = grpc_channel_args_copy(args);
 
   return server;
@@ -844,11 +957,15 @@ static int streq(const char *a, const char *b) {
   return 0 == strcmp(a, b);
 }
 
-void *grpc_server_register_method(grpc_server *server, const char *method,
-                                  const char *host) {
+void *grpc_server_register_method(
+    grpc_server *server, const char *method, const char *host,
+    grpc_server_register_method_payload_handling payload_handling,
+    uint32_t flags) {
   registered_method *m;
-  GRPC_API_TRACE("grpc_server_register_method(server=%p, method=%s, host=%s)",
-                 3, (server, method, host));
+  GRPC_API_TRACE(
+      "grpc_server_register_method(server=%p, method=%s, host=%s, "
+      "flags=0x%08x)",
+      4, (server, method, host, flags));
   if (!method) {
     gpr_log(GPR_ERROR,
             "grpc_server_register_method method string cannot be NULL");
@@ -861,12 +978,20 @@ void *grpc_server_register_method(grpc_server *server, const char *method,
       return NULL;
     }
   }
+  if ((flags & ~GRPC_INITIAL_METADATA_USED_MASK) != 0) {
+    gpr_log(GPR_ERROR, "grpc_server_register_method invalid flags 0x%08x",
+            flags);
+    return NULL;
+  }
   m = gpr_malloc(sizeof(registered_method));
   memset(m, 0, sizeof(*m));
-  request_matcher_init(&m->request_matcher, server->max_requested_calls);
+  request_matcher_init(&m->request_matcher, server->max_requested_calls,
+                       server);
   m->method = gpr_strdup(method);
   m->host = gpr_strdup(host);
   m->next = server->registered_methods;
+  m->payload_handling = payload_handling;
+  m->flags = flags;
   server->registered_methods = m;
   return m;
 }
@@ -892,12 +1017,7 @@ void grpc_server_start(grpc_server *server) {
 
 void grpc_server_setup_transport(grpc_exec_ctx *exec_ctx, grpc_server *s,
                                  grpc_transport *transport,
-                                 grpc_channel_filter const **extra_filters,
-                                 size_t num_extra_filters,
                                  const grpc_channel_args *args) {
-  size_t num_filters = s->channel_filter_count + num_extra_filters + 1;
-  grpc_channel_filter const **filters =
-      gpr_malloc(sizeof(grpc_channel_filter *) * num_filters);
   size_t i;
   size_t num_registered_methods;
   size_t alloc;
@@ -913,24 +1033,17 @@ void grpc_server_setup_transport(grpc_exec_ctx *exec_ctx, grpc_server *s,
   uint32_t max_probes = 0;
   grpc_transport_op op;
 
-  for (i = 0; i < s->channel_filter_count; i++) {
-    filters[i] = s->channel_filters[i];
-  }
-  for (; i < s->channel_filter_count + num_extra_filters; i++) {
-    filters[i] = extra_filters[i - s->channel_filter_count];
-  }
-  filters[i] = &grpc_connected_channel_filter;
-
   for (i = 0; i < s->cq_count; i++) {
     memset(&op, 0, sizeof(op));
     op.bind_pollset = grpc_cq_pollset(s->cqs[i]);
     grpc_transport_perform_op(exec_ctx, transport, &op);
   }
 
-  channel = grpc_channel_create_from_filters(exec_ctx, NULL, filters,
-                                             num_filters, args, 0);
+  channel =
+      grpc_channel_create(exec_ctx, NULL, args, GRPC_SERVER_CHANNEL, transport);
   chand = (channel_data *)grpc_channel_stack_element(
-              grpc_channel_get_channel_stack(channel), 0)->channel_data;
+              grpc_channel_get_channel_stack(channel), 0)
+              ->channel_data;
   chand->server = s;
   server_ref(s);
   chand->channel = channel;
@@ -951,12 +1064,13 @@ void grpc_server_setup_transport(grpc_exec_ctx *exec_ctx, grpc_server *s,
       method = grpc_mdstr_from_string(rm->method);
       hash = GRPC_MDSTR_KV_HASH(host ? host->hash : 0, method->hash);
       for (probes = 0; chand->registered_methods[(hash + probes) % slots]
-                               .server_registered_method != NULL;
+                           .server_registered_method != NULL;
            probes++)
         ;
       if (probes > max_probes) max_probes = probes;
       crm = &chand->registered_methods[(hash + probes) % slots];
       crm->server_registered_method = rm;
+      crm->flags = rm->flags;
       crm->host = host;
       crm->method = method;
     }
@@ -965,17 +1079,12 @@ void grpc_server_setup_transport(grpc_exec_ctx *exec_ctx, grpc_server *s,
     chand->registered_method_max_probes = max_probes;
   }
 
-  grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
-                                        transport);
-
   gpr_mu_lock(&s->mu_global);
   chand->next = &s->root_channel_data;
   chand->prev = chand->next->prev;
   chand->next->prev = chand->prev->next = chand;
   gpr_mu_unlock(&s->mu_global);
 
-  gpr_free((void *)filters);
-
   GRPC_CHANNEL_INTERNAL_REF(channel, "connectivity");
   memset(&op, 0, sizeof(op));
   op.set_accept_stream = true;
@@ -1155,8 +1264,8 @@ static grpc_call_error queue_call_request(grpc_exec_ctx *exec_ctx,
         GPR_ASSERT(calld->state == PENDING);
         calld->state = ACTIVATED;
         gpr_mu_unlock(&calld->mu_state);
-        begin_call(exec_ctx, server, calld,
-                   &server->requested_calls[request_id]);
+        publish_call(exec_ctx, server, calld,
+                     &server->requested_calls[request_id]);
       }
       gpr_mu_lock(&server->mu_call);
     }
@@ -1221,6 +1330,12 @@ grpc_call_error grpc_server_request_registered_call(
     error = GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE;
     goto done;
   }
+  if ((optional_payload == NULL) !=
+      (rm->payload_handling == GRPC_SRM_PAYLOAD_NONE)) {
+    gpr_free(rc);
+    error = GRPC_CALL_ERROR_PAYLOAD_TYPE_MISMATCH;
+    goto done;
+  }
   grpc_cq_begin_op(cq_for_notification, tag);
   rc->type = REGISTERED_CALL;
   rc->server = server;
@@ -1238,82 +1353,6 @@ done:
   return error;
 }
 
-static void publish_registered_or_batch(grpc_exec_ctx *exec_ctx,
-                                        void *user_data, bool success);
-
-static void cpstr(char **dest, size_t *capacity, grpc_mdstr *value) {
-  gpr_slice slice = value->slice;
-  size_t len = GPR_SLICE_LENGTH(slice);
-
-  if (len + 1 > *capacity) {
-    *capacity = GPR_MAX(len + 1, *capacity * 2);
-    *dest = gpr_realloc(*dest, *capacity);
-  }
-  memcpy(*dest, grpc_mdstr_as_c_string(value), len + 1);
-}
-
-static void begin_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
-                       call_data *calld, requested_call *rc) {
-  grpc_op ops[1];
-  grpc_op *op = ops;
-
-  memset(ops, 0, sizeof(ops));
-
-  /* called once initial metadata has been read by the call, but BEFORE
-     the ioreq to fetch it out of the call has been executed.
-     This means metadata related fields can be relied on in calld, but to
-     fill in the metadata array passed by the client, we need to perform
-     an ioreq op, that should complete immediately. */
-
-  grpc_call_set_completion_queue(exec_ctx, calld->call, rc->cq_bound_to_call);
-  grpc_closure_init(&rc->publish, publish_registered_or_batch, rc);
-  *rc->call = calld->call;
-  calld->cq_new = rc->cq_for_notification;
-  GPR_SWAP(grpc_metadata_array, *rc->initial_metadata, calld->initial_metadata);
-  switch (rc->type) {
-    case BATCH_CALL:
-      GPR_ASSERT(calld->host != NULL);
-      GPR_ASSERT(calld->path != NULL);
-      cpstr(&rc->data.batch.details->host,
-            &rc->data.batch.details->host_capacity, calld->host);
-      cpstr(&rc->data.batch.details->method,
-            &rc->data.batch.details->method_capacity, calld->path);
-      rc->data.batch.details->deadline = calld->deadline;
-      break;
-    case REGISTERED_CALL:
-      *rc->data.registered.deadline = calld->deadline;
-      if (rc->data.registered.optional_payload) {
-        op->op = GRPC_OP_RECV_MESSAGE;
-        op->data.recv_message = rc->data.registered.optional_payload;
-        op++;
-      }
-      break;
-    default:
-      GPR_UNREACHABLE_CODE(return );
-  }
-
-  GRPC_CALL_INTERNAL_REF(calld->call, "server");
-  grpc_call_start_batch_and_execute(exec_ctx, calld->call, ops,
-                                    (size_t)(op - ops), &rc->publish);
-}
-
-static void done_request_event(grpc_exec_ctx *exec_ctx, void *req,
-                               grpc_cq_completion *c) {
-  requested_call *rc = req;
-  grpc_server *server = rc->server;
-
-  if (rc >= server->requested_calls &&
-      rc < server->requested_calls + server->max_requested_calls) {
-    GPR_ASSERT(rc - server->requested_calls <= INT_MAX);
-    gpr_stack_lockfree_push(server->request_freelist,
-                            (int)(rc - server->requested_calls));
-  } else {
-    gpr_free(req);
-  }
-
-  server_unref(exec_ctx, server);
-}
-
 static void fail_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
                       requested_call *rc) {
   *rc->call = NULL;
@@ -1324,20 +1363,6 @@ static void fail_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
                  done_request_event, rc, &rc->completion);
 }
 
-static void publish_registered_or_batch(grpc_exec_ctx *exec_ctx, void *prc,
-                                        bool success) {
-  requested_call *rc = prc;
-  grpc_call *call = *rc->call;
-  grpc_call_element *elem =
-      grpc_call_stack_element(grpc_call_get_call_stack(call), 0);
-  call_data *calld = elem->call_data;
-  channel_data *chand = elem->channel_data;
-  server_ref(chand->server);
-  grpc_cq_end_op(exec_ctx, calld->cq_new, rc->tag, success, done_request_event,
-                 rc, &rc->completion);
-  GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "server");
-}
-
 const grpc_channel_args *grpc_server_get_channel_args(grpc_server *server) {
   return server->channel_args;
 }
diff --git a/src/core/surface/server.h b/src/core/lib/surface/server.h
similarity index 82%
rename from src/core/surface/server.h
rename to src/core/lib/surface/server.h
index a957fdb3605fb9f78958af6f78df442baedfb543..470ef23c690c0921ace6e970dbd88c0ece9b1660 100644
--- a/src/core/surface/server.h
+++ b/src/core/lib/surface/server.h
@@ -31,17 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_SERVER_H
-#define GRPC_INTERNAL_CORE_SURFACE_SERVER_H
+#ifndef GRPC_CORE_LIB_SURFACE_SERVER_H
+#define GRPC_CORE_LIB_SURFACE_SERVER_H
 
-#include "src/core/channel/channel_stack.h"
 #include <grpc/grpc.h>
-#include "src/core/transport/transport.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/transport/transport.h"
 
-/* Create a server */
-grpc_server *grpc_server_create_from_filters(
-    const grpc_channel_filter **filters, size_t filter_count,
-    const grpc_channel_args *args);
+extern const grpc_channel_filter grpc_server_top_filter;
 
 /* Add a listener to the server: when the server starts, it will call start,
    and when it shuts down, it will call destroy */
@@ -56,12 +53,10 @@ void grpc_server_add_listener(
    server */
 void grpc_server_setup_transport(grpc_exec_ctx *exec_ctx, grpc_server *server,
                                  grpc_transport *transport,
-                                 grpc_channel_filter const **extra_filters,
-                                 size_t num_extra_filters,
                                  const grpc_channel_args *args);
 
 const grpc_channel_args *grpc_server_get_channel_args(grpc_server *server);
 
 int grpc_server_has_open_connections(grpc_server *server);
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_SERVER_H */
+#endif /* GRPC_CORE_LIB_SURFACE_SERVER_H */
diff --git a/src/core/surface/surface_trace.h b/src/core/lib/surface/surface_trace.h
similarity index 89%
rename from src/core/surface/surface_trace.h
rename to src/core/lib/surface/surface_trace.h
index 93b2859ac5b273588b4bf7cbee52ecbda9ea5e3f..a69a0fff577336ee7821020ccdc0013f921d488d 100644
--- a/src/core/surface/surface_trace.h
+++ b/src/core/lib/surface/surface_trace.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_SURFACE_SURFACE_TRACE_H
-#define GRPC_INTERNAL_CORE_SURFACE_SURFACE_TRACE_H
+#ifndef GRPC_CORE_LIB_SURFACE_SURFACE_TRACE_H
+#define GRPC_CORE_LIB_SURFACE_SURFACE_TRACE_H
 
-#include "src/core/debug/trace.h"
-#include "src/core/surface/api_trace.h"
 #include <grpc/support/log.h>
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/surface/api_trace.h"
 
 #define GRPC_SURFACE_TRACE_RETURNED_EVENT(cq, event)    \
   if (grpc_api_trace) {                                 \
@@ -45,4 +45,4 @@
     gpr_free(_ev);                                      \
   }
 
-#endif /* GRPC_INTERNAL_CORE_SURFACE_SURFACE_TRACE_H */
+#endif /* GRPC_CORE_LIB_SURFACE_SURFACE_TRACE_H */
diff --git a/src/core/surface/validate_metadata.c b/src/core/lib/surface/validate_metadata.c
similarity index 99%
rename from src/core/surface/validate_metadata.c
rename to src/core/lib/surface/validate_metadata.c
index bf4126867fd7e68b4381f6a9d37d89ef075ba9b8..84f0a083bc165fa79d21aba70a340295fb413005 100644
--- a/src/core/surface/validate_metadata.c
+++ b/src/core/lib/surface/validate_metadata.c
@@ -40,7 +40,7 @@ static int conforms_to(const char *s, size_t len, const uint8_t *legal_bits) {
   const char *p = s;
   const char *e = s + len;
   for (; p != e; p++) {
-    int idx = *p;
+    int idx = (uint8_t)*p;
     int byte = idx / 8;
     int bit = idx % 8;
     if ((legal_bits[byte] & (1 << bit)) == 0) return 0;
diff --git a/src/core/surface/version.c b/src/core/lib/surface/version.c
similarity index 97%
rename from src/core/surface/version.c
rename to src/core/lib/surface/version.c
index 7723f3940146b6364adf33474ce8a283dbef5dd6..fe954cbefb6196249367adbb725392a6be4387a2 100644
--- a/src/core/surface/version.c
+++ b/src/core/lib/surface/version.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/core/transport/byte_stream.c b/src/core/lib/transport/byte_stream.c
similarity index 98%
rename from src/core/transport/byte_stream.c
rename to src/core/lib/transport/byte_stream.c
index 8e6fb2cbefd0529791dcd7a7c2ec8bc2f436b3da..2f6c75cb6a5cb9d2bd6a1e302314b8b5c1310d66 100644
--- a/src/core/transport/byte_stream.c
+++ b/src/core/lib/transport/byte_stream.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/byte_stream.h"
+#include "src/core/lib/transport/byte_stream.h"
 
 #include <stdlib.h>
 
diff --git a/src/core/transport/byte_stream.h b/src/core/lib/transport/byte_stream.h
similarity index 94%
rename from src/core/transport/byte_stream.h
rename to src/core/lib/transport/byte_stream.h
index d2e51e7b45e1da39576bc2268e110f11e8fce126..95519a9eaf7e2f642eaaf0f06ff294c1ca4159b6 100644
--- a/src/core/transport/byte_stream.h
+++ b/src/core/lib/transport/byte_stream.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_BYTE_STREAM_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_BYTE_STREAM_H
+#ifndef GRPC_CORE_LIB_TRANSPORT_BYTE_STREAM_H
+#define GRPC_CORE_LIB_TRANSPORT_BYTE_STREAM_H
 
-#include "src/core/iomgr/exec_ctx.h"
 #include <grpc/support/slice_buffer.h>
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 /** Internal bit flag for grpc_begin_message's \a flags signaling the use of
  * compression for the message */
@@ -86,4 +86,4 @@ void grpc_slice_buffer_stream_init(grpc_slice_buffer_stream *stream,
                                    gpr_slice_buffer *slice_buffer,
                                    uint32_t flags);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_BYTE_STREAM_H */
+#endif /* GRPC_CORE_LIB_TRANSPORT_BYTE_STREAM_H */
diff --git a/src/core/transport/connectivity_state.c b/src/core/lib/transport/connectivity_state.c
similarity index 98%
rename from src/core/transport/connectivity_state.c
rename to src/core/lib/transport/connectivity_state.c
index 87765b9799d6c6e782ba220e2b8a04ee86919ce1..e24ee638fdd3d38297a7f826fb5caa5a28745093 100644
--- a/src/core/transport/connectivity_state.c
+++ b/src/core/lib/transport/connectivity_state.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 #include <string.h>
 
diff --git a/src/core/transport/connectivity_state.h b/src/core/lib/transport/connectivity_state.h
similarity index 94%
rename from src/core/transport/connectivity_state.h
rename to src/core/lib/transport/connectivity_state.h
index a4eb6652e551b815d28b51e29d11d93472088d73..2eb7e09124f123ce3ab250453fda4e1886238e41 100644
--- a/src/core/transport/connectivity_state.h
+++ b/src/core/lib/transport/connectivity_state.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CONNECTIVITY_STATE_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CONNECTIVITY_STATE_H
+#ifndef GRPC_CORE_LIB_TRANSPORT_CONNECTIVITY_STATE_H
+#define GRPC_CORE_LIB_TRANSPORT_CONNECTIVITY_STATE_H
 
 #include <grpc/grpc.h>
-#include "src/core/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
 
 typedef struct grpc_connectivity_state_watcher {
   /** we keep watchers in a linked list */
@@ -82,4 +82,4 @@ int grpc_connectivity_state_notify_on_state_change(
     grpc_exec_ctx *exec_ctx, grpc_connectivity_state_tracker *tracker,
     grpc_connectivity_state *current, grpc_closure *notify);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CONNECTIVITY_STATE_H */
+#endif /* GRPC_CORE_LIB_TRANSPORT_CONNECTIVITY_STATE_H */
diff --git a/src/core/transport/metadata.c b/src/core/lib/transport/metadata.c
similarity index 88%
rename from src/core/transport/metadata.c
rename to src/core/lib/transport/metadata.c
index 807ae071a309627b16f73ccee0b48c893b6896bb..5847ec9053d6a24fbf801a1f420703f6b7de6e56 100644
--- a/src/core/transport/metadata.c
+++ b/src/core/lib/transport/metadata.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,25 +31,27 @@
  *
  */
 
-#include "src/core/transport/metadata.h"
+#include "src/core/lib/transport/metadata.h"
 
 #include <assert.h>
 #include <stddef.h>
 #include <string.h>
 
 #include <grpc/compression.h>
+#include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/atm.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 
-#include "src/core/profiling/timers.h"
-#include "src/core/support/murmur_hash.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/bin_encoder.h"
-#include "src/core/transport/static_metadata.h"
-#include "src/core/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/murmur_hash.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/static_metadata.h"
+
+gpr_slice (*grpc_chttp2_base64_encode_and_huffman_compress)(gpr_slice input);
 
 /* There are two kinds of mdelem and mdstr instances.
  * Static instances are declared in static_metadata.{h,c} and
@@ -79,6 +81,7 @@
 
 typedef void (*destroy_user_data_func)(void *user_data);
 
+#define SIZE_IN_DECODER_TABLE_NOT_SET -1
 /* Shadow structure for grpc_mdstr for non-static values */
 typedef struct internal_string {
   /* must be byte compatible with grpc_mdstr */
@@ -93,6 +96,8 @@ typedef struct internal_string {
 
   gpr_slice base64_and_huffman;
 
+  gpr_atm size_in_decoder_table;
+
   struct internal_string *bucket_next;
 } internal_string;
 
@@ -242,6 +247,12 @@ void grpc_mdctx_global_shutdown(void) {
     if (shard->count != 0) {
       gpr_log(GPR_DEBUG, "WARNING: %d metadata strings were leaked",
               shard->count);
+      for (size_t j = 0; j < shard->capacity; j++) {
+        for (internal_string *s = shard->strs[j]; s; s = s->bucket_next) {
+          gpr_log(GPR_DEBUG, "LEAKED: %s",
+                  grpc_mdstr_as_c_string((grpc_mdstr *)s));
+        }
+      }
       if (grpc_iomgr_abort_on_leaks()) {
         abort();
       }
@@ -375,10 +386,18 @@ grpc_mdstr *grpc_mdstr_from_buffer(const uint8_t *buf, size_t length) {
   for (s = shard->strs[idx]; s; s = s->bucket_next) {
     if (s->hash == hash && GPR_SLICE_LENGTH(s->slice) == length &&
         0 == memcmp(buf, GPR_SLICE_START_PTR(s->slice), length)) {
-      GRPC_MDSTR_REF((grpc_mdstr *)s);
-      gpr_mu_unlock(&shard->mu);
-      GPR_TIMER_END("grpc_mdstr_from_buffer", 0);
-      return (grpc_mdstr *)s;
+      if (gpr_atm_full_fetch_add(&s->refcnt, 1) == 0) {
+        /* If we get here, we've added a ref to something that was about to
+         * die - drop it immediately.
+         * The *only* possible path here (given the shard mutex) should be to
+         * drop from one ref back to zero - assert that with a CAS */
+        GPR_ASSERT(gpr_atm_rel_cas(&s->refcnt, 1, 0));
+        /* and treat this as if we were never here... sshhh */
+      } else {
+        gpr_mu_unlock(&shard->mu);
+        GPR_TIMER_END("grpc_mdstr_from_buffer", 0);
+        return (grpc_mdstr *)s;
+      }
     }
   }
 
@@ -386,7 +405,7 @@ grpc_mdstr *grpc_mdstr_from_buffer(const uint8_t *buf, size_t length) {
   if (length + 1 < GPR_SLICE_INLINED_SIZE) {
     /* string data goes directly into the slice */
     s = gpr_malloc(sizeof(internal_string));
-    gpr_atm_rel_store(&s->refcnt, 2);
+    gpr_atm_rel_store(&s->refcnt, 1);
     s->slice.refcount = NULL;
     memcpy(s->slice.data.inlined.bytes, buf, length);
     s->slice.data.inlined.bytes[length] = 0;
@@ -395,7 +414,7 @@ grpc_mdstr *grpc_mdstr_from_buffer(const uint8_t *buf, size_t length) {
     /* string data goes after the internal_string header, and we +1 for null
        terminator */
     s = gpr_malloc(sizeof(internal_string) + length + 1);
-    gpr_atm_rel_store(&s->refcnt, 2);
+    gpr_atm_rel_store(&s->refcnt, 1);
     s->refcount.ref = slice_ref;
     s->refcount.unref = slice_unref;
     s->slice.refcount = &s->refcount;
@@ -407,6 +426,7 @@ grpc_mdstr *grpc_mdstr_from_buffer(const uint8_t *buf, size_t length) {
   }
   s->has_base64_and_huffman_encoded = 0;
   s->hash = hash;
+  s->size_in_decoder_table = SIZE_IN_DECODER_TABLE_NOT_SET;
   s->bucket_next = shard->strs[idx];
   shard->strs[idx] = s;
 
@@ -576,6 +596,39 @@ grpc_mdelem *grpc_mdelem_from_string_and_buffer(const char *key,
       grpc_mdstr_from_string(key), grpc_mdstr_from_buffer(value, value_length));
 }
 
+static size_t get_base64_encoded_size(size_t raw_length) {
+  static const uint8_t tail_xtra[3] = {0, 2, 3};
+  return raw_length / 3 * 4 + tail_xtra[raw_length % 3];
+}
+
+size_t grpc_mdelem_get_size_in_hpack_table(grpc_mdelem *elem) {
+  size_t overhead_and_key = 32 + GPR_SLICE_LENGTH(elem->key->slice);
+  size_t value_len = GPR_SLICE_LENGTH(elem->value->slice);
+  if (is_mdstr_static(elem->value)) {
+    if (grpc_is_binary_header(
+            (const char *)GPR_SLICE_START_PTR(elem->key->slice),
+            GPR_SLICE_LENGTH(elem->key->slice))) {
+      return overhead_and_key + get_base64_encoded_size(value_len);
+    } else {
+      return overhead_and_key + value_len;
+    }
+  } else {
+    internal_string *is = (internal_string *)elem->value;
+    gpr_atm current_size = gpr_atm_acq_load(&is->size_in_decoder_table);
+    if (current_size == SIZE_IN_DECODER_TABLE_NOT_SET) {
+      if (grpc_is_binary_header(
+              (const char *)GPR_SLICE_START_PTR(elem->key->slice),
+              GPR_SLICE_LENGTH(elem->key->slice))) {
+        current_size = (gpr_atm)get_base64_encoded_size(value_len);
+      } else {
+        current_size = (gpr_atm)value_len;
+      }
+      gpr_atm_rel_store(&is->size_in_decoder_table, current_size);
+    }
+    return overhead_and_key + (size_t)current_size;
+  }
+}
+
 grpc_mdelem *grpc_mdelem_ref(grpc_mdelem *gmd DEBUG_ARGS) {
   internal_metadata *md = (internal_metadata *)gmd;
   if (is_mdelem_static(gmd)) return gmd;
@@ -630,20 +683,19 @@ const char *grpc_mdstr_as_c_string(grpc_mdstr *s) {
 grpc_mdstr *grpc_mdstr_ref(grpc_mdstr *gs DEBUG_ARGS) {
   internal_string *s = (internal_string *)gs;
   if (is_mdstr_static(gs)) return gs;
-  GPR_ASSERT(gpr_atm_full_fetch_add(&s->refcnt, 1) != 0);
+  GPR_ASSERT(gpr_atm_full_fetch_add(&s->refcnt, 1) > 0);
   return gs;
 }
 
 void grpc_mdstr_unref(grpc_mdstr *gs DEBUG_ARGS) {
   internal_string *s = (internal_string *)gs;
   if (is_mdstr_static(gs)) return;
-  if (2 == gpr_atm_full_fetch_add(&s->refcnt, -1)) {
+  if (1 == gpr_atm_full_fetch_add(&s->refcnt, -1)) {
     strtab_shard *shard =
         &g_strtab_shard[SHARD_IDX(s->hash, LOG2_STRTAB_SHARD_COUNT)];
     gpr_mu_lock(&shard->mu);
-    if (1 == gpr_atm_no_barrier_load(&s->refcnt)) {
-      internal_destroy_string(shard, s);
-    }
+    GPR_ASSERT(0 == gpr_atm_no_barrier_load(&s->refcnt));
+    internal_destroy_string(shard, s);
     gpr_mu_unlock(&shard->mu);
   }
 }
diff --git a/src/core/transport/metadata.h b/src/core/lib/transport/metadata.h
similarity index 94%
rename from src/core/transport/metadata.h
rename to src/core/lib/transport/metadata.h
index 8742846be7e6250d7987b196bb7e4e2b500e6055..713d9e6782ca293122bb216d35e3e5143ec5c14c 100644
--- a/src/core/transport/metadata.h
+++ b/src/core/lib/transport/metadata.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_METADATA_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_METADATA_H
+#ifndef GRPC_CORE_LIB_TRANSPORT_METADATA_H
+#define GRPC_CORE_LIB_TRANSPORT_METADATA_H
 
 #include <grpc/support/slice.h>
 #include <grpc/support/useful.h>
@@ -110,6 +110,8 @@ grpc_mdelem *grpc_mdelem_from_string_and_buffer(const char *key,
                                                 const uint8_t *value,
                                                 size_t value_length);
 
+size_t grpc_mdelem_get_size_in_hpack_table(grpc_mdelem *elem);
+
 /* Mutator and accessor for grpc_mdelem user data. The destructor function
    is used as a type tag and is checked during user_data fetch. */
 void *grpc_mdelem_get_user_data(grpc_mdelem *md,
@@ -118,6 +120,7 @@ void grpc_mdelem_set_user_data(grpc_mdelem *md, void (*destroy_func)(void *),
                                void *user_data);
 
 /* Reference counting */
+//#define GRPC_METADATA_REFCOUNT_DEBUG
 #ifdef GRPC_METADATA_REFCOUNT_DEBUG
 #define GRPC_MDSTR_REF(s) grpc_mdstr_ref((s), __FILE__, __LINE__)
 #define GRPC_MDSTR_UNREF(s) grpc_mdstr_unref((s), __FILE__, __LINE__)
@@ -153,4 +156,8 @@ int grpc_mdstr_is_bin_suffixed(grpc_mdstr *s);
 void grpc_mdctx_global_init(void);
 void grpc_mdctx_global_shutdown(void);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_METADATA_H */
+/* Implementation provided by chttp2_transport */
+extern gpr_slice (*grpc_chttp2_base64_encode_and_huffman_compress)(
+    gpr_slice input);
+
+#endif /* GRPC_CORE_LIB_TRANSPORT_METADATA_H */
diff --git a/src/core/transport/metadata_batch.c b/src/core/lib/transport/metadata_batch.c
similarity index 98%
rename from src/core/transport/metadata_batch.c
rename to src/core/lib/transport/metadata_batch.c
index 1266862f8271ed483e05972339342ccc56a5afb7..4567221a48f62093efb6e2702d9e3a0540d18346 100644
--- a/src/core/transport/metadata_batch.c
+++ b/src/core/lib/transport/metadata_batch.c
@@ -31,14 +31,14 @@
  *
  */
 
-#include "src/core/transport/metadata_batch.h"
+#include "src/core/lib/transport/metadata_batch.h"
 
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 
 static void assert_valid_list(grpc_mdelem_list *list) {
 #ifndef NDEBUG
diff --git a/src/core/transport/metadata_batch.h b/src/core/lib/transport/metadata_batch.h
similarity index 96%
rename from src/core/transport/metadata_batch.h
rename to src/core/lib/transport/metadata_batch.h
index 1b0d1fda3e220589cc8271eb6867a2aaf8c46a62..b62668876e4469b614b9e7fa315f0d3d9c6456af 100644
--- a/src/core/transport/metadata_batch.h
+++ b/src/core/lib/transport/metadata_batch.h
@@ -31,14 +31,14 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_STREAM_OP_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_STREAM_OP_H
+#ifndef GRPC_CORE_LIB_TRANSPORT_METADATA_BATCH_H
+#define GRPC_CORE_LIB_TRANSPORT_METADATA_BATCH_H
 
 #include <grpc/grpc.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/slice.h>
 #include <grpc/support/time.h>
-#include "src/core/transport/metadata.h"
+#include "src/core/lib/transport/metadata.h"
 
 typedef struct grpc_linked_mdelem {
   grpc_mdelem *md;
@@ -122,4 +122,4 @@ void grpc_metadata_batch_assert_ok(grpc_metadata_batch *comd);
   } while (0)
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_STREAM_OP_H */
+#endif /* GRPC_CORE_LIB_TRANSPORT_METADATA_BATCH_H */
diff --git a/src/core/transport/static_metadata.c b/src/core/lib/transport/static_metadata.c
similarity index 55%
rename from src/core/transport/static_metadata.c
rename to src/core/lib/transport/static_metadata.c
index eeedae0619958d69db393971f744a0765a3c370e..73b0041fd40e45aa77abb8d6739b5aed8a6f22de 100644
--- a/src/core/transport/static_metadata.c
+++ b/src/core/lib/transport/static_metadata.c
@@ -1,6 +1,5 @@
 /*
- *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -28,31 +27,28 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
  */
 
 /*
  * WARNING: Auto-generated code.
  *
  * To make changes to this file, change
- * tools/codegen/core/gen_static_metadata.py,
- * and then re-run it.
+ * tools/codegen/core/gen_static_metadata.py, and then re-run it.
  *
  * See metadata.h for an explanation of the interface here, and metadata.c for
- * an
- * explanation of what's going on.
+ * an explanation of what's going on.
  */
 
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 grpc_mdstr grpc_static_mdstr_table[GRPC_STATIC_MDSTR_COUNT];
 
 grpc_mdelem grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT];
 uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT] = {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-    0, 0, 0, 0, 0, 0, 3, 7, 5, 2, 4, 8, 6, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 4, 8, 6, 2, 4, 8, 6, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
 
 const uint8_t grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT * 2] =
     {11, 35, 10, 35, 12, 35, 12, 49, 13, 35, 14, 35, 15, 35, 16, 35, 17, 35,
@@ -60,30 +56,102 @@ const uint8_t grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT * 2] =
      30, 18, 30, 35, 31, 35, 32, 35, 36, 35, 37, 35, 38, 35, 39, 35, 42, 33,
      42, 34, 42, 48, 42, 53, 42, 54, 42, 55, 42, 56, 43, 33, 43, 48, 43, 53,
      46, 0,  46, 1,  46, 2,  50, 35, 57, 35, 58, 35, 59, 35, 60, 35, 61, 35,
-     62, 35, 63, 35, 64, 35, 65, 35, 66, 40, 66, 68, 67, 78, 67, 79, 69, 35,
-     70, 35, 71, 35, 72, 35, 73, 35, 74, 35, 75, 41, 75, 51, 75, 52, 76, 35,
-     77, 35, 80, 3,  80, 4,  80, 5,  80, 6,  80, 7,  80, 8,  80, 9,  81, 35,
-     82, 83, 84, 35, 85, 35, 86, 35, 87, 35, 88, 35};
+     62, 35, 63, 35, 64, 35, 65, 35, 66, 40, 66, 68, 66, 71, 67, 79, 67, 80,
+     69, 35, 70, 35, 72, 35, 73, 35, 74, 35, 75, 35, 76, 41, 76, 51, 76, 52,
+     77, 35, 78, 35, 81, 3,  81, 4,  81, 5,  81, 6,  81, 7,  81, 8,  81, 9,
+     82, 35, 83, 84, 85, 35, 86, 35, 87, 35, 88, 35, 89, 35};
 
 const char *const grpc_static_metadata_strings[GRPC_STATIC_MDSTR_COUNT] = {
-    "0", "1", "2", "200", "204", "206", "304", "400", "404", "500", "accept",
-    "accept-charset", "accept-encoding", "accept-language", "accept-ranges",
-    "access-control-allow-origin", "age", "allow", "application/grpc",
-    ":authority", "authorization", "cache-control", "census-bin",
-    "census-binary-bin", "content-disposition", "content-encoding",
-    "content-language", "content-length", "content-location", "content-range",
-    "content-type", "cookie", "date", "deflate", "deflate,gzip", "", "etag",
-    "expect", "expires", "from", "GET", "grpc", "grpc-accept-encoding",
-    "grpc-encoding", "grpc-internal-encoding-request", "grpc-message",
-    "grpc-status", "grpc-timeout", "gzip", "gzip, deflate", "host", "http",
-    "https", "identity", "identity,deflate", "identity,deflate,gzip",
-    "identity,gzip", "if-match", "if-modified-since", "if-none-match",
-    "if-range", "if-unmodified-since", "last-modified", "link", "location",
-    "max-forwards", ":method", ":path", "POST", "proxy-authenticate",
-    "proxy-authorization", "range", "referer", "refresh", "retry-after",
-    ":scheme", "server", "set-cookie", "/", "/index.html", ":status",
-    "strict-transport-security", "te", "trailers", "transfer-encoding",
-    "user-agent", "vary", "via", "www-authenticate"};
+    "0",
+    "1",
+    "2",
+    "200",
+    "204",
+    "206",
+    "304",
+    "400",
+    "404",
+    "500",
+    "accept",
+    "accept-charset",
+    "accept-encoding",
+    "accept-language",
+    "accept-ranges",
+    "access-control-allow-origin",
+    "age",
+    "allow",
+    "application/grpc",
+    ":authority",
+    "authorization",
+    "cache-control",
+    "census-bin",
+    "census-binary-bin",
+    "content-disposition",
+    "content-encoding",
+    "content-language",
+    "content-length",
+    "content-location",
+    "content-range",
+    "content-type",
+    "cookie",
+    "date",
+    "deflate",
+    "deflate,gzip",
+    "",
+    "etag",
+    "expect",
+    "expires",
+    "from",
+    "GET",
+    "grpc",
+    "grpc-accept-encoding",
+    "grpc-encoding",
+    "grpc-internal-encoding-request",
+    "grpc-message",
+    "grpc-status",
+    "grpc-timeout",
+    "gzip",
+    "gzip, deflate",
+    "host",
+    "http",
+    "https",
+    "identity",
+    "identity,deflate",
+    "identity,deflate,gzip",
+    "identity,gzip",
+    "if-match",
+    "if-modified-since",
+    "if-none-match",
+    "if-range",
+    "if-unmodified-since",
+    "last-modified",
+    "link",
+    "location",
+    "max-forwards",
+    ":method",
+    ":path",
+    "POST",
+    "proxy-authenticate",
+    "proxy-authorization",
+    "PUT",
+    "range",
+    "referer",
+    "refresh",
+    "retry-after",
+    ":scheme",
+    "server",
+    "set-cookie",
+    "/",
+    "/index.html",
+    ":status",
+    "strict-transport-security",
+    "te",
+    "trailers",
+    "transfer-encoding",
+    "user-agent",
+    "vary",
+    "via",
+    "www-authenticate"};
 
 const uint8_t grpc_static_accept_encoding_metadata[8] = {0,  29, 26, 30,
                                                          28, 32, 27, 31};
diff --git a/src/core/transport/static_metadata.h b/src/core/lib/transport/static_metadata.h
similarity index 84%
rename from src/core/transport/static_metadata.h
rename to src/core/lib/transport/static_metadata.h
index ef72b802b51bbcbc35d0e888c886b2ee96efe955..f9d8bcdc8fd0e98160403b25a425494078377ba8 100644
--- a/src/core/transport/static_metadata.h
+++ b/src/core/lib/transport/static_metadata.h
@@ -1,6 +1,5 @@
 /*
- *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -28,27 +27,24 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
  */
 
 /*
  * WARNING: Auto-generated code.
  *
  * To make changes to this file, change
- * tools/codegen/core/gen_static_metadata.py,
- * and then re-run it.
+ * tools/codegen/core/gen_static_metadata.py, and then re-run it.
  *
  * See metadata.h for an explanation of the interface here, and metadata.c for
- * an
- * explanation of what's going on.
+ * an explanation of what's going on.
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_STATIC_METADATA_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_STATIC_METADATA_H
+#ifndef GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H
+#define GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H
 
-#include "src/core/transport/metadata.h"
+#include "src/core/lib/transport/metadata.h"
 
-#define GRPC_STATIC_MDSTR_COUNT 89
+#define GRPC_STATIC_MDSTR_COUNT 90
 extern grpc_mdstr grpc_static_mdstr_table[GRPC_STATIC_MDSTR_COUNT];
 /* "0" */
 #define GRPC_MDSTR_0 (&grpc_static_mdstr_table[0])
@@ -193,44 +189,46 @@ extern grpc_mdstr grpc_static_mdstr_table[GRPC_STATIC_MDSTR_COUNT];
 #define GRPC_MDSTR_PROXY_AUTHENTICATE (&grpc_static_mdstr_table[69])
 /* "proxy-authorization" */
 #define GRPC_MDSTR_PROXY_AUTHORIZATION (&grpc_static_mdstr_table[70])
+/* "PUT" */
+#define GRPC_MDSTR_PUT (&grpc_static_mdstr_table[71])
 /* "range" */
-#define GRPC_MDSTR_RANGE (&grpc_static_mdstr_table[71])
+#define GRPC_MDSTR_RANGE (&grpc_static_mdstr_table[72])
 /* "referer" */
-#define GRPC_MDSTR_REFERER (&grpc_static_mdstr_table[72])
+#define GRPC_MDSTR_REFERER (&grpc_static_mdstr_table[73])
 /* "refresh" */
-#define GRPC_MDSTR_REFRESH (&grpc_static_mdstr_table[73])
+#define GRPC_MDSTR_REFRESH (&grpc_static_mdstr_table[74])
 /* "retry-after" */
-#define GRPC_MDSTR_RETRY_AFTER (&grpc_static_mdstr_table[74])
+#define GRPC_MDSTR_RETRY_AFTER (&grpc_static_mdstr_table[75])
 /* ":scheme" */
-#define GRPC_MDSTR_SCHEME (&grpc_static_mdstr_table[75])
+#define GRPC_MDSTR_SCHEME (&grpc_static_mdstr_table[76])
 /* "server" */
-#define GRPC_MDSTR_SERVER (&grpc_static_mdstr_table[76])
+#define GRPC_MDSTR_SERVER (&grpc_static_mdstr_table[77])
 /* "set-cookie" */
-#define GRPC_MDSTR_SET_COOKIE (&grpc_static_mdstr_table[77])
+#define GRPC_MDSTR_SET_COOKIE (&grpc_static_mdstr_table[78])
 /* "/" */
-#define GRPC_MDSTR_SLASH (&grpc_static_mdstr_table[78])
+#define GRPC_MDSTR_SLASH (&grpc_static_mdstr_table[79])
 /* "/index.html" */
-#define GRPC_MDSTR_SLASH_INDEX_DOT_HTML (&grpc_static_mdstr_table[79])
+#define GRPC_MDSTR_SLASH_INDEX_DOT_HTML (&grpc_static_mdstr_table[80])
 /* ":status" */
-#define GRPC_MDSTR_STATUS (&grpc_static_mdstr_table[80])
+#define GRPC_MDSTR_STATUS (&grpc_static_mdstr_table[81])
 /* "strict-transport-security" */
-#define GRPC_MDSTR_STRICT_TRANSPORT_SECURITY (&grpc_static_mdstr_table[81])
+#define GRPC_MDSTR_STRICT_TRANSPORT_SECURITY (&grpc_static_mdstr_table[82])
 /* "te" */
-#define GRPC_MDSTR_TE (&grpc_static_mdstr_table[82])
+#define GRPC_MDSTR_TE (&grpc_static_mdstr_table[83])
 /* "trailers" */
-#define GRPC_MDSTR_TRAILERS (&grpc_static_mdstr_table[83])
+#define GRPC_MDSTR_TRAILERS (&grpc_static_mdstr_table[84])
 /* "transfer-encoding" */
-#define GRPC_MDSTR_TRANSFER_ENCODING (&grpc_static_mdstr_table[84])
+#define GRPC_MDSTR_TRANSFER_ENCODING (&grpc_static_mdstr_table[85])
 /* "user-agent" */
-#define GRPC_MDSTR_USER_AGENT (&grpc_static_mdstr_table[85])
+#define GRPC_MDSTR_USER_AGENT (&grpc_static_mdstr_table[86])
 /* "vary" */
-#define GRPC_MDSTR_VARY (&grpc_static_mdstr_table[86])
+#define GRPC_MDSTR_VARY (&grpc_static_mdstr_table[87])
 /* "via" */
-#define GRPC_MDSTR_VIA (&grpc_static_mdstr_table[87])
+#define GRPC_MDSTR_VIA (&grpc_static_mdstr_table[88])
 /* "www-authenticate" */
-#define GRPC_MDSTR_WWW_AUTHENTICATE (&grpc_static_mdstr_table[88])
+#define GRPC_MDSTR_WWW_AUTHENTICATE (&grpc_static_mdstr_table[89])
 
-#define GRPC_STATIC_MDELEM_COUNT 78
+#define GRPC_STATIC_MDELEM_COUNT 79
 extern grpc_mdelem grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT];
 extern uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT];
 /* "accept-charset": "" */
@@ -343,61 +341,63 @@ extern uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT];
 #define GRPC_MDELEM_METHOD_GET (&grpc_static_mdelem_table[49])
 /* ":method": "POST" */
 #define GRPC_MDELEM_METHOD_POST (&grpc_static_mdelem_table[50])
+/* ":method": "PUT" */
+#define GRPC_MDELEM_METHOD_PUT (&grpc_static_mdelem_table[51])
 /* ":path": "/" */
-#define GRPC_MDELEM_PATH_SLASH (&grpc_static_mdelem_table[51])
+#define GRPC_MDELEM_PATH_SLASH (&grpc_static_mdelem_table[52])
 /* ":path": "/index.html" */
-#define GRPC_MDELEM_PATH_SLASH_INDEX_DOT_HTML (&grpc_static_mdelem_table[52])
+#define GRPC_MDELEM_PATH_SLASH_INDEX_DOT_HTML (&grpc_static_mdelem_table[53])
 /* "proxy-authenticate": "" */
-#define GRPC_MDELEM_PROXY_AUTHENTICATE_EMPTY (&grpc_static_mdelem_table[53])
+#define GRPC_MDELEM_PROXY_AUTHENTICATE_EMPTY (&grpc_static_mdelem_table[54])
 /* "proxy-authorization": "" */
-#define GRPC_MDELEM_PROXY_AUTHORIZATION_EMPTY (&grpc_static_mdelem_table[54])
+#define GRPC_MDELEM_PROXY_AUTHORIZATION_EMPTY (&grpc_static_mdelem_table[55])
 /* "range": "" */
-#define GRPC_MDELEM_RANGE_EMPTY (&grpc_static_mdelem_table[55])
+#define GRPC_MDELEM_RANGE_EMPTY (&grpc_static_mdelem_table[56])
 /* "referer": "" */
-#define GRPC_MDELEM_REFERER_EMPTY (&grpc_static_mdelem_table[56])
+#define GRPC_MDELEM_REFERER_EMPTY (&grpc_static_mdelem_table[57])
 /* "refresh": "" */
-#define GRPC_MDELEM_REFRESH_EMPTY (&grpc_static_mdelem_table[57])
+#define GRPC_MDELEM_REFRESH_EMPTY (&grpc_static_mdelem_table[58])
 /* "retry-after": "" */
-#define GRPC_MDELEM_RETRY_AFTER_EMPTY (&grpc_static_mdelem_table[58])
+#define GRPC_MDELEM_RETRY_AFTER_EMPTY (&grpc_static_mdelem_table[59])
 /* ":scheme": "grpc" */
-#define GRPC_MDELEM_SCHEME_GRPC (&grpc_static_mdelem_table[59])
+#define GRPC_MDELEM_SCHEME_GRPC (&grpc_static_mdelem_table[60])
 /* ":scheme": "http" */
-#define GRPC_MDELEM_SCHEME_HTTP (&grpc_static_mdelem_table[60])
+#define GRPC_MDELEM_SCHEME_HTTP (&grpc_static_mdelem_table[61])
 /* ":scheme": "https" */
-#define GRPC_MDELEM_SCHEME_HTTPS (&grpc_static_mdelem_table[61])
+#define GRPC_MDELEM_SCHEME_HTTPS (&grpc_static_mdelem_table[62])
 /* "server": "" */
-#define GRPC_MDELEM_SERVER_EMPTY (&grpc_static_mdelem_table[62])
+#define GRPC_MDELEM_SERVER_EMPTY (&grpc_static_mdelem_table[63])
 /* "set-cookie": "" */
-#define GRPC_MDELEM_SET_COOKIE_EMPTY (&grpc_static_mdelem_table[63])
+#define GRPC_MDELEM_SET_COOKIE_EMPTY (&grpc_static_mdelem_table[64])
 /* ":status": "200" */
-#define GRPC_MDELEM_STATUS_200 (&grpc_static_mdelem_table[64])
+#define GRPC_MDELEM_STATUS_200 (&grpc_static_mdelem_table[65])
 /* ":status": "204" */
-#define GRPC_MDELEM_STATUS_204 (&grpc_static_mdelem_table[65])
+#define GRPC_MDELEM_STATUS_204 (&grpc_static_mdelem_table[66])
 /* ":status": "206" */
-#define GRPC_MDELEM_STATUS_206 (&grpc_static_mdelem_table[66])
+#define GRPC_MDELEM_STATUS_206 (&grpc_static_mdelem_table[67])
 /* ":status": "304" */
-#define GRPC_MDELEM_STATUS_304 (&grpc_static_mdelem_table[67])
+#define GRPC_MDELEM_STATUS_304 (&grpc_static_mdelem_table[68])
 /* ":status": "400" */
-#define GRPC_MDELEM_STATUS_400 (&grpc_static_mdelem_table[68])
+#define GRPC_MDELEM_STATUS_400 (&grpc_static_mdelem_table[69])
 /* ":status": "404" */
-#define GRPC_MDELEM_STATUS_404 (&grpc_static_mdelem_table[69])
+#define GRPC_MDELEM_STATUS_404 (&grpc_static_mdelem_table[70])
 /* ":status": "500" */
-#define GRPC_MDELEM_STATUS_500 (&grpc_static_mdelem_table[70])
+#define GRPC_MDELEM_STATUS_500 (&grpc_static_mdelem_table[71])
 /* "strict-transport-security": "" */
 #define GRPC_MDELEM_STRICT_TRANSPORT_SECURITY_EMPTY \
-  (&grpc_static_mdelem_table[71])
+  (&grpc_static_mdelem_table[72])
 /* "te": "trailers" */
-#define GRPC_MDELEM_TE_TRAILERS (&grpc_static_mdelem_table[72])
+#define GRPC_MDELEM_TE_TRAILERS (&grpc_static_mdelem_table[73])
 /* "transfer-encoding": "" */
-#define GRPC_MDELEM_TRANSFER_ENCODING_EMPTY (&grpc_static_mdelem_table[73])
+#define GRPC_MDELEM_TRANSFER_ENCODING_EMPTY (&grpc_static_mdelem_table[74])
 /* "user-agent": "" */
-#define GRPC_MDELEM_USER_AGENT_EMPTY (&grpc_static_mdelem_table[74])
+#define GRPC_MDELEM_USER_AGENT_EMPTY (&grpc_static_mdelem_table[75])
 /* "vary": "" */
-#define GRPC_MDELEM_VARY_EMPTY (&grpc_static_mdelem_table[75])
+#define GRPC_MDELEM_VARY_EMPTY (&grpc_static_mdelem_table[76])
 /* "via": "" */
-#define GRPC_MDELEM_VIA_EMPTY (&grpc_static_mdelem_table[76])
+#define GRPC_MDELEM_VIA_EMPTY (&grpc_static_mdelem_table[77])
 /* "www-authenticate": "" */
-#define GRPC_MDELEM_WWW_AUTHENTICATE_EMPTY (&grpc_static_mdelem_table[77])
+#define GRPC_MDELEM_WWW_AUTHENTICATE_EMPTY (&grpc_static_mdelem_table[78])
 
 extern const uint8_t
     grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT * 2];
@@ -405,4 +405,4 @@ extern const char *const grpc_static_metadata_strings[GRPC_STATIC_MDSTR_COUNT];
 extern const uint8_t grpc_static_accept_encoding_metadata[8];
 #define GRPC_MDELEM_ACCEPT_ENCODING_FOR_ALGORITHMS(algs) \
   (&grpc_static_mdelem_table[grpc_static_accept_encoding_metadata[(algs)]])
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_STATIC_METADATA_H */
+#endif /* GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H */
diff --git a/src/core/transport/transport.c b/src/core/lib/transport/transport.c
similarity index 89%
rename from src/core/transport/transport.c
rename to src/core/lib/transport/transport.c
index 3b555fa9338c3eb9c7f453f14efe45fe6212db5d..53c634adca679e7bdb48e5b0a966d4ae8bc9088e 100644
--- a/src/core/transport/transport.c
+++ b/src/core/lib/transport/transport.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,12 @@
  *
  */
 
-#include "src/core/transport/transport.h"
+#include "src/core/lib/transport/transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/atm.h>
 #include <grpc/support/log.h>
-#include "src/core/transport/transport_impl.h"
+#include <grpc/support/sync.h>
+#include "src/core/lib/transport/transport_impl.h"
 
 #ifdef GRPC_STREAM_REFCOUNT_DEBUG
 void grpc_stream_ref(grpc_stream_refcount *refcount, const char *reason) {
@@ -76,6 +77,24 @@ void grpc_stream_ref_init(grpc_stream_refcount *refcount, int initial_refs,
   grpc_closure_init(&refcount->destroy, cb, cb_arg);
 }
 
+static void move64(uint64_t *from, uint64_t *to) {
+  *to += *from;
+  *from = 0;
+}
+
+void grpc_transport_move_one_way_stats(grpc_transport_one_way_stats *from,
+                                       grpc_transport_one_way_stats *to) {
+  move64(&from->framing_bytes, &to->framing_bytes);
+  move64(&from->data_bytes, &to->data_bytes);
+  move64(&from->header_bytes, &to->header_bytes);
+}
+
+void grpc_transport_move_stats(grpc_transport_stream_stats *from,
+                               grpc_transport_stream_stats *to) {
+  grpc_transport_move_one_way_stats(&from->incoming, &to->incoming);
+  grpc_transport_move_one_way_stats(&from->outgoing, &to->outgoing);
+}
+
 size_t grpc_transport_stream_size(grpc_transport *transport) {
   return transport->vtable->sizeof_stream;
 }
diff --git a/src/core/transport/transport.h b/src/core/lib/transport/transport.h
similarity index 87%
rename from src/core/transport/transport.h
rename to src/core/lib/transport/transport.h
index ed6e121c9cbb685e4b7e109a7f92110320f9c424..1eb446312bfd8ccea2f03bdc8653a181f6b39dfb 100644
--- a/src/core/transport/transport.h
+++ b/src/core/lib/transport/transport.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,16 +31,16 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_H
+#ifndef GRPC_CORE_LIB_TRANSPORT_TRANSPORT_H
+#define GRPC_CORE_LIB_TRANSPORT_TRANSPORT_H
 
 #include <stddef.h>
 
-#include "src/core/iomgr/pollset.h"
-#include "src/core/iomgr/pollset_set.h"
-#include "src/core/transport/metadata_batch.h"
-#include "src/core/transport/byte_stream.h"
-#include "src/core/channel/context.h"
+#include "src/core/lib/channel/context.h"
+#include "src/core/lib/iomgr/pollset.h"
+#include "src/core/lib/iomgr/pollset_set.h"
+#include "src/core/lib/transport/byte_stream.h"
+#include "src/core/lib/transport/metadata_batch.h"
 
 /* forward declarations */
 typedef struct grpc_transport grpc_transport;
@@ -50,7 +50,7 @@ typedef struct grpc_transport grpc_transport;
    for a stream. */
 typedef struct grpc_stream grpc_stream;
 
-/*#define GRPC_STREAM_REFCOUNT_DEBUG*/
+//#define GRPC_STREAM_REFCOUNT_DEBUG
 
 typedef struct grpc_stream_refcount {
   gpr_refcount refs;
@@ -78,11 +78,32 @@ void grpc_stream_unref(grpc_exec_ctx *exec_ctx, grpc_stream_refcount *refcount);
   grpc_stream_ref_init(rc, ir, cb, cb_arg)
 #endif
 
+typedef struct {
+  uint64_t framing_bytes;
+  uint64_t data_bytes;
+  uint64_t header_bytes;
+} grpc_transport_one_way_stats;
+
+typedef struct grpc_transport_stream_stats {
+  grpc_transport_one_way_stats incoming;
+  grpc_transport_one_way_stats outgoing;
+} grpc_transport_stream_stats;
+
+void grpc_transport_move_one_way_stats(grpc_transport_one_way_stats *from,
+                                       grpc_transport_one_way_stats *to);
+
+void grpc_transport_move_stats(grpc_transport_stream_stats *from,
+                               grpc_transport_stream_stats *to);
+
 /* Transport stream op: a set of operations to perform on a transport
    against a single stream */
 typedef struct grpc_transport_stream_op {
-  /** Send initial metadata to the peer, from the provided metadata batch. */
+  /** Send initial metadata to the peer, from the provided metadata batch.
+      idempotent_request MUST be set if this is non-null */
   grpc_metadata_batch *send_initial_metadata;
+  /** Iff send_initial_metadata != NULL, flags associated with
+      send_initial_metadata: a bitfield of GRPC_INITIAL_METADATA_xxx */
+  uint32_t send_initial_metadata_flags;
 
   /** Send trailing metadata to the peer, from the provided metadata batch. */
   grpc_metadata_batch *send_trailing_metadata;
@@ -92,6 +113,7 @@ typedef struct grpc_transport_stream_op {
 
   /** Receive initial metadata from the stream, into provided metadata batch. */
   grpc_metadata_batch *recv_initial_metadata;
+  bool *recv_idempotent_request;
   /** Should be enqueued when initial metadata is ready to be processed. */
   grpc_closure *recv_initial_metadata_ready;
 
@@ -104,6 +126,9 @@ typedef struct grpc_transport_stream_op {
    */
   grpc_metadata_batch *recv_trailing_metadata;
 
+  /** Collect any stats into provided buffer, zero internal stat counters */
+  grpc_transport_stream_stats *collect_stats;
+
   /** Should be enqueued when all requested operations (excluding recv_message
       and recv_initial_metadata which have their own closures) in a given batch
       have been completed. */
@@ -239,4 +264,4 @@ void grpc_transport_destroy(grpc_exec_ctx *exec_ctx, grpc_transport *transport);
 char *grpc_transport_get_peer(grpc_exec_ctx *exec_ctx,
                               grpc_transport *transport);
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_H */
+#endif /* GRPC_CORE_LIB_TRANSPORT_TRANSPORT_H */
diff --git a/src/core/transport/transport_impl.h b/src/core/lib/transport/transport_impl.h
similarity index 92%
rename from src/core/transport/transport_impl.h
rename to src/core/lib/transport/transport_impl.h
index 40bfb4b13ac14a36e6c936630cc0fcc40b3be8d9..2ff67073aff1edefeb564323e58a4619c648348a 100644
--- a/src/core/transport/transport_impl.h
+++ b/src/core/lib/transport/transport_impl.h
@@ -31,16 +31,19 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_IMPL_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_IMPL_H
+#ifndef GRPC_CORE_LIB_TRANSPORT_TRANSPORT_IMPL_H
+#define GRPC_CORE_LIB_TRANSPORT_TRANSPORT_IMPL_H
 
-#include "src/core/transport/transport.h"
+#include "src/core/lib/transport/transport.h"
 
 typedef struct grpc_transport_vtable {
   /* Memory required for a single stream element - this is allocated by upper
      layers and initialized by the transport */
   size_t sizeof_stream; /* = sizeof(transport stream) */
 
+  /* name of this transport implementation */
+  const char *name;
+
   /* implementation of grpc_transport_init_stream */
   int (*init_stream)(grpc_exec_ctx *exec_ctx, grpc_transport *self,
                      grpc_stream *stream, grpc_stream_refcount *refcount,
@@ -75,4 +78,4 @@ struct grpc_transport {
   const grpc_transport_vtable *vtable;
 };
 
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_IMPL_H */
+#endif /* GRPC_CORE_LIB_TRANSPORT_TRANSPORT_IMPL_H */
diff --git a/src/core/transport/transport_op_string.c b/src/core/lib/transport/transport_op_string.c
similarity index 98%
rename from src/core/transport/transport_op_string.c
rename to src/core/lib/transport/transport_op_string.c
index 98b51afc8819a62037cb5fc0a74a314cec3c6847..df04c6112703bce21250ac42d02966bc59236a03 100644
--- a/src/core/transport/transport_op_string.c
+++ b/src/core/lib/transport/transport_op_string.c
@@ -31,16 +31,16 @@
  *
  */
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 
 /* These routines are here to facilitate debugging - they produce string
    representations of various transport data structures */
diff --git a/src/core/tsi/fake_transport_security.c b/src/core/lib/tsi/fake_transport_security.c
similarity index 96%
rename from src/core/tsi/fake_transport_security.c
rename to src/core/lib/tsi/fake_transport_security.c
index 72ac32a17165450c01cbf38af3412b3892df1141..0e20d6fd710c5d3d455548bddf4d132a7de3825b 100644
--- a/src/core/tsi/fake_transport_security.c
+++ b/src/core/lib/tsi/fake_transport_security.c
@@ -31,15 +31,16 @@
  *
  */
 
-#include "src/core/tsi/fake_transport_security.h"
+#include "src/core/lib/tsi/fake_transport_security.h"
 
 #include <stdlib.h>
 #include <string.h>
 
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/useful.h>
-#include "src/core/tsi/transport_security.h"
+#include "src/core/lib/tsi/transport_security.h"
 
 /* --- Constants. ---*/
 #define TSI_FAKE_FRAME_HEADER_SIZE 4
@@ -134,12 +135,12 @@ static void tsi_fake_frame_reset(tsi_fake_frame *frame, int needs_draining) {
 static int tsi_fake_frame_ensure_size(tsi_fake_frame *frame) {
   if (frame->data == NULL) {
     frame->allocated_size = frame->size;
-    frame->data = malloc(frame->allocated_size);
+    frame->data = gpr_malloc(frame->allocated_size);
     if (frame->data == NULL) return 0;
   } else if (frame->size > frame->allocated_size) {
-    unsigned char *new_data = realloc(frame->data, frame->size);
+    unsigned char *new_data = gpr_realloc(frame->data, frame->size);
     if (new_data == NULL) {
-      free(frame->data);
+      gpr_free(frame->data);
       frame->data = NULL;
       return 0;
     }
@@ -160,7 +161,7 @@ static tsi_result fill_frame_from_bytes(const unsigned char *incoming_bytes,
   if (frame->needs_draining) return TSI_INTERNAL_ERROR;
   if (frame->data == NULL) {
     frame->allocated_size = TSI_FAKE_FRAME_INITIAL_ALLOCATED_SIZE;
-    frame->data = malloc(frame->allocated_size);
+    frame->data = gpr_malloc(frame->allocated_size);
     if (frame->data == NULL) return TSI_OUT_OF_RESOURCES;
   }
 
@@ -226,7 +227,7 @@ static tsi_result bytes_to_frame(unsigned char *bytes, size_t bytes_size,
 }
 
 static void tsi_fake_frame_destruct(tsi_fake_frame *frame) {
-  if (frame->data != NULL) free(frame->data);
+  if (frame->data != NULL) gpr_free(frame->data);
 }
 
 /* --- tsi_frame_protector methods implementation. ---*/
@@ -366,7 +367,7 @@ static void fake_protector_destroy(tsi_frame_protector *self) {
   tsi_fake_frame_protector *impl = (tsi_fake_frame_protector *)self;
   tsi_fake_frame_destruct(&impl->protect_frame);
   tsi_fake_frame_destruct(&impl->unprotect_frame);
-  free(self);
+  gpr_free(self);
 }
 
 static const tsi_frame_protector_vtable frame_protector_vtable = {
@@ -488,18 +489,21 @@ static void fake_handshaker_destroy(tsi_handshaker *self) {
   tsi_fake_handshaker *impl = (tsi_fake_handshaker *)self;
   tsi_fake_frame_destruct(&impl->incoming);
   tsi_fake_frame_destruct(&impl->outgoing);
-  free(self);
+  gpr_free(self);
 }
 
 static const tsi_handshaker_vtable handshaker_vtable = {
     fake_handshaker_get_bytes_to_send_to_peer,
-    fake_handshaker_process_bytes_from_peer, fake_handshaker_get_result,
-    fake_handshaker_extract_peer, fake_handshaker_create_frame_protector,
+    fake_handshaker_process_bytes_from_peer,
+    fake_handshaker_get_result,
+    fake_handshaker_extract_peer,
+    fake_handshaker_create_frame_protector,
     fake_handshaker_destroy,
 };
 
 tsi_handshaker *tsi_create_fake_handshaker(int is_client) {
-  tsi_fake_handshaker *impl = calloc(1, sizeof(tsi_fake_handshaker));
+  tsi_fake_handshaker *impl = gpr_malloc(sizeof(*impl));
+  memset(impl, 0, sizeof(*impl));
   impl->base.vtable = &handshaker_vtable;
   impl->is_client = is_client;
   impl->result = TSI_HANDSHAKE_IN_PROGRESS;
@@ -515,8 +519,8 @@ tsi_handshaker *tsi_create_fake_handshaker(int is_client) {
 
 tsi_frame_protector *tsi_create_fake_protector(
     size_t *max_protected_frame_size) {
-  tsi_fake_frame_protector *impl = calloc(1, sizeof(tsi_fake_frame_protector));
-  if (impl == NULL) return NULL;
+  tsi_fake_frame_protector *impl = gpr_malloc(sizeof(*impl));
+  memset(impl, 0, sizeof(*impl));
   impl->max_frame_size = (max_protected_frame_size == NULL)
                              ? TSI_FAKE_DEFAULT_FRAME_SIZE
                              : *max_protected_frame_size;
diff --git a/src/core/tsi/fake_transport_security.h b/src/core/lib/tsi/fake_transport_security.h
similarity index 90%
rename from src/core/tsi/fake_transport_security.h
rename to src/core/lib/tsi/fake_transport_security.h
index fe295aa53607ca63c8d2f060d5dfb8bb0a3da613..54a9469b5841ec779a1413c563f1eaa31eb9f60b 100644
--- a/src/core/tsi/fake_transport_security.h
+++ b/src/core/lib/tsi/fake_transport_security.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TSI_FAKE_TRANSPORT_SECURITY_H
-#define GRPC_INTERNAL_CORE_TSI_FAKE_TRANSPORT_SECURITY_H
+#ifndef GRPC_CORE_LIB_TSI_FAKE_TRANSPORT_SECURITY_H
+#define GRPC_CORE_LIB_TSI_FAKE_TRANSPORT_SECURITY_H
 
-#include "src/core/tsi/transport_security_interface.h"
+#include "src/core/lib/tsi/transport_security_interface.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -58,4 +58,4 @@ tsi_frame_protector *tsi_create_fake_protector(
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_TSI_FAKE_TRANSPORT_SECURITY_H */
+#endif /* GRPC_CORE_LIB_TSI_FAKE_TRANSPORT_SECURITY_H */
diff --git a/src/core/tsi/ssl_transport_security.c b/src/core/lib/tsi/ssl_transport_security.c
similarity index 90%
rename from src/core/tsi/ssl_transport_security.c
rename to src/core/lib/tsi/ssl_transport_security.c
index fcbd910f07f23c30257f666bd97bb77e069a8ca0..e91c6316e7f67582dc9066ed85372a54dcbf1462 100644
--- a/src/core/tsi/ssl_transport_security.c
+++ b/src/core/lib/tsi/ssl_transport_security.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/tsi/ssl_transport_security.h"
+#include "src/core/lib/tsi/ssl_transport_security.h"
 
 #include <grpc/support/port_platform.h>
 
@@ -45,6 +45,7 @@
 #include <arpa/inet.h>
 #endif
 
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
@@ -57,8 +58,8 @@
 #include <openssl/x509.h>
 #include <openssl/x509v3.h>
 
-#include "src/core/tsi/ssl_types.h"
-#include "src/core/tsi/transport_security.h"
+#include "src/core/lib/tsi/ssl_types.h"
+#include "src/core/lib/tsi/transport_security.h"
 
 /* --- Constants. ---*/
 
@@ -148,8 +149,7 @@ static void init_openssl(void) {
   OpenSSL_add_all_algorithms();
   num_locks = CRYPTO_num_locks();
   GPR_ASSERT(num_locks > 0);
-  openssl_mutexes = malloc((size_t)num_locks * sizeof(gpr_mu));
-  GPR_ASSERT(openssl_mutexes != NULL);
+  openssl_mutexes = gpr_malloc((size_t)num_locks * sizeof(gpr_mu));
   for (i = 0; i < CRYPTO_num_locks(); i++) {
     gpr_mu_init(&openssl_mutexes[i]);
   }
@@ -293,6 +293,26 @@ static tsi_result peer_property_from_x509_common_name(
   return result;
 }
 
+/* Gets the X509 cert in PEM format as a tsi_peer_property. */
+static tsi_result add_pem_certificate(X509 *cert, tsi_peer_property *property) {
+  BIO *bio = BIO_new(BIO_s_mem());
+  if (!PEM_write_bio_X509(bio, cert)) {
+    BIO_free(bio);
+    return TSI_INTERNAL_ERROR;
+  }
+  char *contents;
+  long len = BIO_get_mem_data(bio, &contents);
+  if (len <= 0) {
+    BIO_free(bio);
+    return TSI_INTERNAL_ERROR;
+  }
+  tsi_result result = tsi_construct_string_peer_property(
+      TSI_X509_PEM_CERT_PROPERTY, (const char *)contents, (size_t)len,
+      property);
+  BIO_free(bio);
+  return result;
+}
+
 /* Gets the subject SANs from an X509 cert as a tsi_peer_property. */
 static tsi_result add_subject_alt_names_properties_to_peer(
     tsi_peer *peer, GENERAL_NAMES *subject_alt_names,
@@ -363,7 +383,8 @@ static tsi_result peer_from_x509(X509 *cert, int include_certificate_type,
   tsi_result result;
   GPR_ASSERT(subject_alt_name_count >= 0);
   property_count = (include_certificate_type ? (size_t)1 : 0) +
-                   1 /* common name */ + (size_t)subject_alt_name_count;
+                   2 /* common name, certificate */ +
+                   (size_t)subject_alt_name_count;
   result = tsi_construct_peer(property_count, peer);
   if (result != TSI_OK) return result;
   do {
@@ -377,6 +398,10 @@ static tsi_result peer_from_x509(X509 *cert, int include_certificate_type,
         cert, &peer->properties[include_certificate_type ? 1 : 0]);
     if (result != TSI_OK) break;
 
+    result = add_pem_certificate(
+        cert, &peer->properties[include_certificate_type ? 2 : 1]);
+    if (result != TSI_OK) break;
+
     if (subject_alt_name_count != 0) {
       result = add_subject_alt_names_properties_to_peer(
           peer, subject_alt_names, (size_t)subject_alt_name_count);
@@ -676,7 +701,7 @@ static tsi_result build_alpn_protocol_name_list(
     }
     *protocol_name_list_length += (size_t)alpn_protocols_lengths[i] + 1;
   }
-  *protocol_name_list = malloc(*protocol_name_list_length);
+  *protocol_name_list = gpr_malloc(*protocol_name_list_length);
   if (*protocol_name_list == NULL) return TSI_OUT_OF_RESOURCES;
   current = *protocol_name_list;
   for (i = 0; i < num_alpn_protocols; i++) {
@@ -693,6 +718,14 @@ static tsi_result build_alpn_protocol_name_list(
   return TSI_OK;
 }
 
+// The verification callback is used for clients that don't really care about
+// the server's certificate, but we need to pull it anyway, in case a higher
+// layer wants to look at it. In this case the verification may fail, but
+// we don't really care.
+static int NullVerifyCallback(int preverify_ok, X509_STORE_CTX *ctx) {
+  return 1;
+}
+
 /* --- tsi_frame_protector methods implementation. ---*/
 
 static tsi_result ssl_protector_protect(tsi_frame_protector *self,
@@ -827,9 +860,9 @@ static tsi_result ssl_protector_unprotect(
 
 static void ssl_protector_destroy(tsi_frame_protector *self) {
   tsi_ssl_frame_protector *impl = (tsi_ssl_frame_protector *)self;
-  if (impl->buffer != NULL) free(impl->buffer);
+  if (impl->buffer != NULL) gpr_free(impl->buffer);
   if (impl->ssl != NULL) SSL_free(impl->ssl);
-  free(self);
+  gpr_free(self);
 }
 
 static const tsi_frame_protector_vtable frame_protector_vtable = {
@@ -941,8 +974,9 @@ static tsi_result ssl_handshaker_extract_peer(tsi_handshaker *self,
   if (alpn_selected != NULL) {
     size_t i;
     tsi_peer_property *new_properties =
-        calloc(1, sizeof(tsi_peer_property) * (peer->property_count + 1));
-    if (new_properties == NULL) return TSI_OUT_OF_RESOURCES;
+        gpr_malloc(sizeof(*new_properties) * (peer->property_count + 1));
+    memset(new_properties, 0,
+           sizeof(*new_properties) * (peer->property_count + 1));
     for (i = 0; i < peer->property_count; i++) {
       new_properties[i] = peer->properties[i];
     }
@@ -950,10 +984,10 @@ static tsi_result ssl_handshaker_extract_peer(tsi_handshaker *self,
         TSI_SSL_ALPN_SELECTED_PROTOCOL, (const char *)alpn_selected,
         alpn_selected_len, &new_properties[peer->property_count]);
     if (result != TSI_OK) {
-      free(new_properties);
+      gpr_free(new_properties);
       return result;
     }
-    if (peer->properties != NULL) free(peer->properties);
+    if (peer->properties != NULL) gpr_free(peer->properties);
     peer->property_count++;
     peer->properties = new_properties;
   }
@@ -966,11 +1000,8 @@ static tsi_result ssl_handshaker_create_frame_protector(
   size_t actual_max_output_protected_frame_size =
       TSI_SSL_MAX_PROTECTED_FRAME_SIZE_UPPER_BOUND;
   tsi_ssl_handshaker *impl = (tsi_ssl_handshaker *)self;
-  tsi_ssl_frame_protector *protector_impl =
-      calloc(1, sizeof(tsi_ssl_frame_protector));
-  if (protector_impl == NULL) {
-    return TSI_OUT_OF_RESOURCES;
-  }
+  tsi_ssl_frame_protector *protector_impl = gpr_malloc(sizeof(*protector_impl));
+  memset(protector_impl, 0, sizeof(*protector_impl));
 
   if (max_output_protected_frame_size != NULL) {
     if (*max_output_protected_frame_size >
@@ -986,11 +1017,11 @@ static tsi_result ssl_handshaker_create_frame_protector(
   }
   protector_impl->buffer_size =
       actual_max_output_protected_frame_size - TSI_SSL_MAX_PROTECTION_OVERHEAD;
-  protector_impl->buffer = malloc(protector_impl->buffer_size);
+  protector_impl->buffer = gpr_malloc(protector_impl->buffer_size);
   if (protector_impl->buffer == NULL) {
     gpr_log(GPR_ERROR,
             "Could not allocated buffer for tsi_ssl_frame_protector.");
-    free(protector_impl);
+    gpr_free(protector_impl);
     return TSI_INTERNAL_ERROR;
   }
 
@@ -1009,13 +1040,15 @@ static tsi_result ssl_handshaker_create_frame_protector(
 static void ssl_handshaker_destroy(tsi_handshaker *self) {
   tsi_ssl_handshaker *impl = (tsi_ssl_handshaker *)self;
   SSL_free(impl->ssl); /* The BIO objects are owned by ssl */
-  free(impl);
+  gpr_free(impl);
 }
 
 static const tsi_handshaker_vtable handshaker_vtable = {
     ssl_handshaker_get_bytes_to_send_to_peer,
-    ssl_handshaker_process_bytes_from_peer, ssl_handshaker_get_result,
-    ssl_handshaker_extract_peer, ssl_handshaker_create_frame_protector,
+    ssl_handshaker_process_bytes_from_peer,
+    ssl_handshaker_get_result,
+    ssl_handshaker_extract_peer,
+    ssl_handshaker_create_frame_protector,
     ssl_handshaker_destroy,
 };
 
@@ -1084,11 +1117,8 @@ static tsi_result create_tsi_ssl_handshaker(SSL_CTX *ctx, int is_client,
     SSL_set_accept_state(ssl);
   }
 
-  impl = calloc(1, sizeof(tsi_ssl_handshaker));
-  if (impl == NULL) {
-    SSL_free(ssl);
-    return TSI_OUT_OF_RESOURCES;
-  }
+  impl = gpr_malloc(sizeof(*impl));
+  memset(impl, 0, sizeof(*impl));
   impl->ssl = ssl;
   impl->into_ssl = into_ssl;
   impl->from_ssl = from_ssl;
@@ -1140,8 +1170,8 @@ static void ssl_client_handshaker_factory_destroy(
   tsi_ssl_client_handshaker_factory *impl =
       (tsi_ssl_client_handshaker_factory *)self;
   if (impl->ssl_context != NULL) SSL_CTX_free(impl->ssl_context);
-  if (impl->alpn_protocol_list != NULL) free(impl->alpn_protocol_list);
-  free(impl);
+  if (impl->alpn_protocol_list != NULL) gpr_free(impl->alpn_protocol_list);
+  gpr_free(impl);
 }
 
 static int client_handshaker_factory_npn_callback(SSL *ssl, unsigned char **out,
@@ -1182,12 +1212,12 @@ static void ssl_server_handshaker_factory_destroy(
       tsi_peer_destruct(&impl->ssl_context_x509_subject_names[i]);
     }
   }
-  if (impl->ssl_contexts != NULL) free(impl->ssl_contexts);
+  if (impl->ssl_contexts != NULL) gpr_free(impl->ssl_contexts);
   if (impl->ssl_context_x509_subject_names != NULL) {
-    free(impl->ssl_context_x509_subject_names);
+    gpr_free(impl->ssl_context_x509_subject_names);
   }
-  if (impl->alpn_protocol_list != NULL) free(impl->alpn_protocol_list);
-  free(impl);
+  if (impl->alpn_protocol_list != NULL) gpr_free(impl->alpn_protocol_list);
+  gpr_free(impl);
 }
 
 static int does_entry_match_name(const char *entry, size_t entry_length,
@@ -1306,11 +1336,8 @@ tsi_result tsi_create_ssl_client_handshaker_factory(
     return TSI_INVALID_ARGUMENT;
   }
 
-  impl = calloc(1, sizeof(tsi_ssl_client_handshaker_factory));
-  if (impl == NULL) {
-    SSL_CTX_free(ssl_context);
-    return TSI_OUT_OF_RESOURCES;
-  }
+  impl = gpr_malloc(sizeof(*impl));
+  memset(impl, 0, sizeof(*impl));
   impl->ssl_context = ssl_context;
 
   do {
@@ -1371,6 +1398,26 @@ tsi_result tsi_create_ssl_server_handshaker_factory(
     const char *cipher_list, const unsigned char **alpn_protocols,
     const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols,
     tsi_ssl_handshaker_factory **factory) {
+  return tsi_create_ssl_server_handshaker_factory_ex(
+      pem_private_keys, pem_private_keys_sizes, pem_cert_chains,
+      pem_cert_chains_sizes, key_cert_pair_count, pem_client_root_certs,
+      pem_client_root_certs_size,
+      force_client_auth ? TSI_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY
+                        : TSI_DONT_REQUEST_CLIENT_CERTIFICATE,
+      cipher_list, alpn_protocols, alpn_protocols_lengths, num_alpn_protocols,
+      factory);
+}
+
+tsi_result tsi_create_ssl_server_handshaker_factory_ex(
+    const unsigned char **pem_private_keys,
+    const size_t *pem_private_keys_sizes, const unsigned char **pem_cert_chains,
+    const size_t *pem_cert_chains_sizes, size_t key_cert_pair_count,
+    const unsigned char *pem_client_root_certs,
+    size_t pem_client_root_certs_size,
+    tsi_client_certificate_request_type client_certificate_request,
+    const char *cipher_list, const unsigned char **alpn_protocols,
+    const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols,
+    tsi_ssl_handshaker_factory **factory) {
   tsi_ssl_server_handshaker_factory *impl = NULL;
   tsi_result result = TSI_OK;
   size_t i = 0;
@@ -1384,14 +1431,17 @@ tsi_result tsi_create_ssl_server_handshaker_factory(
     return TSI_INVALID_ARGUMENT;
   }
 
-  impl = calloc(1, sizeof(tsi_ssl_server_handshaker_factory));
-  if (impl == NULL) return TSI_OUT_OF_RESOURCES;
+  impl = gpr_malloc(sizeof(*impl));
+  memset(impl, 0, sizeof(*impl));
   impl->base.create_handshaker =
       ssl_server_handshaker_factory_create_handshaker;
   impl->base.destroy = ssl_server_handshaker_factory_destroy;
-  impl->ssl_contexts = calloc(key_cert_pair_count, sizeof(SSL_CTX *));
+  impl->ssl_contexts = gpr_malloc(key_cert_pair_count * sizeof(SSL_CTX *));
+  memset(impl->ssl_contexts, 0, key_cert_pair_count * sizeof(SSL_CTX *));
   impl->ssl_context_x509_subject_names =
-      calloc(key_cert_pair_count, sizeof(tsi_peer));
+      gpr_malloc(key_cert_pair_count * sizeof(tsi_peer));
+  memset(impl->ssl_context_x509_subject_names, 0,
+         key_cert_pair_count * sizeof(tsi_peer));
   if (impl->ssl_contexts == NULL ||
       impl->ssl_context_x509_subject_names == NULL) {
     tsi_ssl_handshaker_factory_destroy(&impl->base);
@@ -1423,7 +1473,6 @@ tsi_result tsi_create_ssl_server_handshaker_factory(
       if (result != TSI_OK) break;
 
       if (pem_client_root_certs != NULL) {
-        int flags = SSL_VERIFY_PEER;
         STACK_OF(X509_NAME) *root_names = NULL;
         result = ssl_ctx_load_verification_certs(
             impl->ssl_contexts[i], pem_client_root_certs,
@@ -1433,8 +1482,29 @@ tsi_result tsi_create_ssl_server_handshaker_factory(
           break;
         }
         SSL_CTX_set_client_CA_list(impl->ssl_contexts[i], root_names);
-        if (force_client_auth) flags |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
-        SSL_CTX_set_verify(impl->ssl_contexts[i], flags, NULL);
+        switch (client_certificate_request) {
+          case TSI_DONT_REQUEST_CLIENT_CERTIFICATE:
+            SSL_CTX_set_verify(impl->ssl_contexts[i], SSL_VERIFY_NONE, NULL);
+            break;
+          case TSI_REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY:
+            SSL_CTX_set_verify(impl->ssl_contexts[i], SSL_VERIFY_PEER,
+                               NullVerifyCallback);
+            break;
+          case TSI_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY:
+            SSL_CTX_set_verify(impl->ssl_contexts[i], SSL_VERIFY_PEER, NULL);
+            break;
+          case TSI_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY:
+            SSL_CTX_set_verify(
+                impl->ssl_contexts[i],
+                SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
+                NullVerifyCallback);
+            break;
+          case TSI_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY:
+            SSL_CTX_set_verify(
+                impl->ssl_contexts[i],
+                SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, NULL);
+            break;
+        }
         /* TODO(jboeuf): Add revocation verification. */
       }
 
diff --git a/src/core/tsi/ssl_transport_security.h b/src/core/lib/tsi/ssl_transport_security.h
similarity index 86%
rename from src/core/tsi/ssl_transport_security.h
rename to src/core/lib/tsi/ssl_transport_security.h
index 4909af4c47031ace17e99d2a671a949e8ab0d7d1..7407246118a883e2dfa12386c89d3a38814fc1bd 100644
--- a/src/core/tsi/ssl_transport_security.h
+++ b/src/core/lib/tsi/ssl_transport_security.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TSI_SSL_TRANSPORT_SECURITY_H
-#define GRPC_INTERNAL_CORE_TSI_SSL_TRANSPORT_SECURITY_H
+#ifndef GRPC_CORE_LIB_TSI_SSL_TRANSPORT_SECURITY_H
+#define GRPC_CORE_LIB_TSI_SSL_TRANSPORT_SECURITY_H
 
-#include "src/core/tsi/transport_security_interface.h"
+#include "src/core/lib/tsi/transport_security_interface.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -48,6 +48,8 @@ extern "C" {
 #define TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY \
   "x509_subject_alternative_name"
 
+#define TSI_X509_PEM_CERT_PROPERTY "x509_pem_cert"
+
 #define TSI_SSL_ALPN_SELECTED_PROTOCOL "ssl_alpn_selected_protocol"
 
 /* --- tsi_ssl_handshaker_factory object ---
@@ -140,6 +142,23 @@ tsi_result tsi_create_ssl_server_handshaker_factory(
     const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols,
     tsi_ssl_handshaker_factory **factory);
 
+/* Same as tsi_create_ssl_server_handshaker_factory method except uses
+   tsi_client_certificate_request_type to support more ways to handle client
+   certificate authentication.
+   - client_certificate_request, if set to non-zero will force the client to
+     authenticate with an SSL cert. Note that this option is ignored if
+     pem_client_root_certs is NULL or pem_client_roots_certs_size is 0 */
+tsi_result tsi_create_ssl_server_handshaker_factory_ex(
+    const unsigned char **pem_private_keys,
+    const size_t *pem_private_keys_sizes, const unsigned char **pem_cert_chains,
+    const size_t *pem_cert_chains_sizes, size_t key_cert_pair_count,
+    const unsigned char *pem_client_root_certs,
+    size_t pem_client_root_certs_size,
+    tsi_client_certificate_request_type client_certificate_request,
+    const char *cipher_suites, const unsigned char **alpn_protocols,
+    const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols,
+    tsi_ssl_handshaker_factory **factory);
+
 /* Creates a handshaker.
   - self is the factory from which the handshaker will be created.
   - server_name_indication indicates the name of the server the client is
@@ -169,4 +188,4 @@ int tsi_ssl_peer_matches_name(const tsi_peer *peer, const char *name);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_TSI_SSL_TRANSPORT_SECURITY_H */
+#endif /* GRPC_CORE_LIB_TSI_SSL_TRANSPORT_SECURITY_H */
diff --git a/src/core/tsi/ssl_types.h b/src/core/lib/tsi/ssl_types.h
similarity index 94%
rename from src/core/tsi/ssl_types.h
rename to src/core/lib/tsi/ssl_types.h
index 0d0225e9c7ba83cd96010693f4612cb68e7bac7f..0a988effd0f3a66c4d43b93b74b0d30cd002fe88 100644
--- a/src/core/tsi/ssl_types.h
+++ b/src/core/lib/tsi/ssl_types.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TSI_SSL_TYPES_H
-#define GRPC_INTERNAL_CORE_TSI_SSL_TYPES_H
+#ifndef GRPC_CORE_LIB_TSI_SSL_TYPES_H
+#define GRPC_CORE_LIB_TSI_SSL_TYPES_H
 
 /* A collection of macros to cast between various integer types that are
  * used differently between BoringSSL and OpenSSL:
@@ -52,4 +52,4 @@
 #define TSI_SIZE_AS_SIZE(x) ((int)(x))
 #endif
 
-#endif
+#endif /* GRPC_CORE_LIB_TSI_SSL_TYPES_H */
diff --git a/src/core/tsi/test_creds/README b/src/core/lib/tsi/test_creds/README
similarity index 100%
rename from src/core/tsi/test_creds/README
rename to src/core/lib/tsi/test_creds/README
diff --git a/src/core/tsi/test_creds/badclient.key b/src/core/lib/tsi/test_creds/badclient.key
similarity index 100%
rename from src/core/tsi/test_creds/badclient.key
rename to src/core/lib/tsi/test_creds/badclient.key
diff --git a/src/core/tsi/test_creds/badclient.pem b/src/core/lib/tsi/test_creds/badclient.pem
similarity index 100%
rename from src/core/tsi/test_creds/badclient.pem
rename to src/core/lib/tsi/test_creds/badclient.pem
diff --git a/src/core/tsi/test_creds/badserver.key b/src/core/lib/tsi/test_creds/badserver.key
similarity index 100%
rename from src/core/tsi/test_creds/badserver.key
rename to src/core/lib/tsi/test_creds/badserver.key
diff --git a/src/core/tsi/test_creds/badserver.pem b/src/core/lib/tsi/test_creds/badserver.pem
similarity index 100%
rename from src/core/tsi/test_creds/badserver.pem
rename to src/core/lib/tsi/test_creds/badserver.pem
diff --git a/src/core/tsi/test_creds/ca-openssl.cnf b/src/core/lib/tsi/test_creds/ca-openssl.cnf
similarity index 100%
rename from src/core/tsi/test_creds/ca-openssl.cnf
rename to src/core/lib/tsi/test_creds/ca-openssl.cnf
diff --git a/src/core/tsi/test_creds/ca.key b/src/core/lib/tsi/test_creds/ca.key
similarity index 100%
rename from src/core/tsi/test_creds/ca.key
rename to src/core/lib/tsi/test_creds/ca.key
diff --git a/src/core/tsi/test_creds/ca.pem b/src/core/lib/tsi/test_creds/ca.pem
similarity index 100%
rename from src/core/tsi/test_creds/ca.pem
rename to src/core/lib/tsi/test_creds/ca.pem
diff --git a/src/core/tsi/test_creds/client.key b/src/core/lib/tsi/test_creds/client.key
similarity index 100%
rename from src/core/tsi/test_creds/client.key
rename to src/core/lib/tsi/test_creds/client.key
diff --git a/src/core/tsi/test_creds/client.pem b/src/core/lib/tsi/test_creds/client.pem
similarity index 100%
rename from src/core/tsi/test_creds/client.pem
rename to src/core/lib/tsi/test_creds/client.pem
diff --git a/src/core/tsi/test_creds/server0.key b/src/core/lib/tsi/test_creds/server0.key
similarity index 100%
rename from src/core/tsi/test_creds/server0.key
rename to src/core/lib/tsi/test_creds/server0.key
diff --git a/src/core/tsi/test_creds/server0.pem b/src/core/lib/tsi/test_creds/server0.pem
similarity index 100%
rename from src/core/tsi/test_creds/server0.pem
rename to src/core/lib/tsi/test_creds/server0.pem
diff --git a/src/core/tsi/test_creds/server1-openssl.cnf b/src/core/lib/tsi/test_creds/server1-openssl.cnf
similarity index 100%
rename from src/core/tsi/test_creds/server1-openssl.cnf
rename to src/core/lib/tsi/test_creds/server1-openssl.cnf
diff --git a/src/core/tsi/test_creds/server1.key b/src/core/lib/tsi/test_creds/server1.key
similarity index 100%
rename from src/core/tsi/test_creds/server1.key
rename to src/core/lib/tsi/test_creds/server1.key
diff --git a/src/core/tsi/test_creds/server1.pem b/src/core/lib/tsi/test_creds/server1.pem
similarity index 100%
rename from src/core/tsi/test_creds/server1.pem
rename to src/core/lib/tsi/test_creds/server1.pem
diff --git a/src/core/tsi/transport_security.c b/src/core/lib/tsi/transport_security.c
similarity index 92%
rename from src/core/tsi/transport_security.c
rename to src/core/lib/tsi/transport_security.c
index db219a50a6798a0e0de2f08a76e70381bc088884..830cf095848a9310490d53cf4e52f4623dcd9a03 100644
--- a/src/core/tsi/transport_security.c
+++ b/src/core/lib/tsi/transport_security.c
@@ -31,7 +31,10 @@
  *
  */
 
-#include "src/core/tsi/transport_security.h"
+#include "src/core/lib/tsi/transport_security.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
 
 #include <stdlib.h>
 #include <string.h>
@@ -40,19 +43,6 @@
 
 int tsi_tracing_enabled = 0;
 
-/* --- Utils. --- */
-
-char *tsi_strdup(const char *src) {
-  char *dst;
-  size_t len;
-  if (!src) return NULL;
-  len = strlen(src) + 1;
-  dst = malloc(len);
-  if (!dst) return NULL;
-  memcpy(dst, src, len);
-  return dst;
-}
-
 /* --- tsi_result common implementation. --- */
 
 const char *tsi_result_to_string(tsi_result result) {
@@ -214,15 +204,15 @@ static void tsi_peer_destroy_list_property(tsi_peer_property *children,
   for (i = 0; i < child_count; i++) {
     tsi_peer_property_destruct(&children[i]);
   }
-  free(children);
+  gpr_free(children);
 }
 
 void tsi_peer_property_destruct(tsi_peer_property *property) {
   if (property->name != NULL) {
-    free(property->name);
+    gpr_free(property->name);
   }
   if (property->value.data != NULL) {
-    free(property->value.data);
+    gpr_free(property->value.data);
   }
   *property = tsi_init_peer_property(); /* Reset everything to 0. */
 }
@@ -239,16 +229,10 @@ void tsi_peer_destruct(tsi_peer *self) {
 tsi_result tsi_construct_allocated_string_peer_property(
     const char *name, size_t value_length, tsi_peer_property *property) {
   *property = tsi_init_peer_property();
-  if (name != NULL) {
-    property->name = tsi_strdup(name);
-    if (property->name == NULL) return TSI_OUT_OF_RESOURCES;
-  }
+  if (name != NULL) property->name = gpr_strdup(name);
   if (value_length > 0) {
-    property->value.data = calloc(1, value_length);
-    if (property->value.data == NULL) {
-      tsi_peer_property_destruct(property);
-      return TSI_OUT_OF_RESOURCES;
-    }
+    property->value.data = gpr_malloc(value_length);
+    memset(property->value.data, 0, value_length);
     property->value.length = value_length;
   }
   return TSI_OK;
@@ -276,8 +260,8 @@ tsi_result tsi_construct_string_peer_property(const char *name,
 tsi_result tsi_construct_peer(size_t property_count, tsi_peer *peer) {
   memset(peer, 0, sizeof(tsi_peer));
   if (property_count > 0) {
-    peer->properties = calloc(property_count, sizeof(tsi_peer_property));
-    if (peer->properties == NULL) return TSI_OUT_OF_RESOURCES;
+    peer->properties = gpr_malloc(property_count * sizeof(tsi_peer_property));
+    memset(peer->properties, 0, property_count * sizeof(tsi_peer_property));
     peer->property_count = property_count;
   }
   return TSI_OK;
diff --git a/src/core/tsi/transport_security.h b/src/core/lib/tsi/transport_security.h
similarity index 95%
rename from src/core/tsi/transport_security.h
rename to src/core/lib/tsi/transport_security.h
index 4077737473ac5b34468fa75e109bb94d4ad2b691..aaf110ee0537891be32e02f3f615229a2461fb08 100644
--- a/src/core/tsi/transport_security.h
+++ b/src/core/lib/tsi/transport_security.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_H
-#define GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_H
+#ifndef GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_H
+#define GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_H
 
-#include "src/core/tsi/transport_security_interface.h"
+#include "src/core/lib/tsi/transport_security_interface.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -108,4 +108,4 @@ char *tsi_strdup(const char *src); /* Sadly, no strdup in C89. */
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_H */
+#endif /* GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_H */
diff --git a/src/core/tsi/transport_security_interface.h b/src/core/lib/tsi/transport_security_interface.h
similarity index 96%
rename from src/core/tsi/transport_security_interface.h
rename to src/core/lib/tsi/transport_security_interface.h
index 69ee17ae917924c88448815a60c86fb8f5bf37d4..3e8c9d7ffefc6a27a5c267951b4dd804b44fd1a4 100644
--- a/src/core/tsi/transport_security_interface.h
+++ b/src/core/lib/tsi/transport_security_interface.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_INTERFACE_H
-#define GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_INTERFACE_H
+#ifndef GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_INTERFACE_H
+#define GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_INTERFACE_H
 
 #include <stdint.h>
 #include <stdlib.h>
@@ -59,6 +59,15 @@ typedef enum {
   TSI_OUT_OF_RESOURCES = 12
 } tsi_result;
 
+typedef enum {
+  // Default option
+  TSI_DONT_REQUEST_CLIENT_CERTIFICATE,
+  TSI_REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY,
+  TSI_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY,
+  TSI_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY,
+  TSI_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY,
+} tsi_client_certificate_request_type;
+
 const char *tsi_result_to_string(tsi_result result);
 
 /* --- tsi tracing --- */
@@ -341,4 +350,4 @@ void tsi_handshaker_destroy(tsi_handshaker *self);
 }
 #endif
 
-#endif /* GRPC_INTERNAL_CORE_TSI_TRANSPORT_SECURITY_INTERFACE_H */
+#endif /* GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_INTERFACE_H */
diff --git a/src/core/surface/server_create.c b/src/core/plugin_registry/grpc_plugin_registry.c
similarity index 50%
rename from src/core/surface/server_create.c
rename to src/core/plugin_registry/grpc_plugin_registry.c
index 5e37e80948e4b05032789ff006e8acd2a4fede68..822aa6d8b75667559992bd9464a0af919b64a630 100644
--- a/src/core/surface/server_create.c
+++ b/src/core/plugin_registry/grpc_plugin_registry.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -32,17 +32,35 @@
  */
 
 #include <grpc/grpc.h>
-#include "src/core/census/grpc_filter.h"
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/completion_queue.h"
-#include "src/core/surface/server.h"
 
-grpc_server *grpc_server_create(const grpc_channel_args *args, void *reserved) {
-  const grpc_channel_filter *filters[3];
-  size_t num_filters = 0;
-  filters[num_filters++] = &grpc_compress_filter;
-  GRPC_API_TRACE("grpc_server_create(%p, %p)", 2, (args, reserved));
-  return grpc_server_create_from_filters(filters, num_filters, args);
+extern void grpc_chttp2_plugin_init(void);
+extern void grpc_chttp2_plugin_shutdown(void);
+extern void grpc_client_config_init(void);
+extern void grpc_client_config_shutdown(void);
+extern void grpc_lb_policy_pick_first_init(void);
+extern void grpc_lb_policy_pick_first_shutdown(void);
+extern void grpc_lb_policy_round_robin_init(void);
+extern void grpc_lb_policy_round_robin_shutdown(void);
+extern void grpc_resolver_dns_native_init(void);
+extern void grpc_resolver_dns_native_shutdown(void);
+extern void grpc_resolver_sockaddr_init(void);
+extern void grpc_resolver_sockaddr_shutdown(void);
+extern void census_grpc_plugin_init(void);
+extern void census_grpc_plugin_shutdown(void);
+
+void grpc_register_built_in_plugins(void) {
+  grpc_register_plugin(grpc_chttp2_plugin_init,
+                       grpc_chttp2_plugin_shutdown);
+  grpc_register_plugin(grpc_client_config_init,
+                       grpc_client_config_shutdown);
+  grpc_register_plugin(grpc_lb_policy_pick_first_init,
+                       grpc_lb_policy_pick_first_shutdown);
+  grpc_register_plugin(grpc_lb_policy_round_robin_init,
+                       grpc_lb_policy_round_robin_shutdown);
+  grpc_register_plugin(grpc_resolver_dns_native_init,
+                       grpc_resolver_dns_native_shutdown);
+  grpc_register_plugin(grpc_resolver_sockaddr_init,
+                       grpc_resolver_sockaddr_shutdown);
+  grpc_register_plugin(census_grpc_plugin_init,
+                       census_grpc_plugin_shutdown);
 }
diff --git a/src/core/plugin_registry/grpc_unsecure_plugin_registry.c b/src/core/plugin_registry/grpc_unsecure_plugin_registry.c
new file mode 100644
index 0000000000000000000000000000000000000000..a6108ae7a9a28a5003a5cdb8780232865faf8965
--- /dev/null
+++ b/src/core/plugin_registry/grpc_unsecure_plugin_registry.c
@@ -0,0 +1,66 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/grpc.h>
+
+extern void grpc_chttp2_plugin_init(void);
+extern void grpc_chttp2_plugin_shutdown(void);
+extern void grpc_client_config_init(void);
+extern void grpc_client_config_shutdown(void);
+extern void grpc_resolver_dns_native_init(void);
+extern void grpc_resolver_dns_native_shutdown(void);
+extern void grpc_resolver_sockaddr_init(void);
+extern void grpc_resolver_sockaddr_shutdown(void);
+extern void grpc_lb_policy_pick_first_init(void);
+extern void grpc_lb_policy_pick_first_shutdown(void);
+extern void grpc_lb_policy_round_robin_init(void);
+extern void grpc_lb_policy_round_robin_shutdown(void);
+extern void census_grpc_plugin_init(void);
+extern void census_grpc_plugin_shutdown(void);
+
+void grpc_register_built_in_plugins(void) {
+  grpc_register_plugin(grpc_chttp2_plugin_init,
+                       grpc_chttp2_plugin_shutdown);
+  grpc_register_plugin(grpc_client_config_init,
+                       grpc_client_config_shutdown);
+  grpc_register_plugin(grpc_resolver_dns_native_init,
+                       grpc_resolver_dns_native_shutdown);
+  grpc_register_plugin(grpc_resolver_sockaddr_init,
+                       grpc_resolver_sockaddr_shutdown);
+  grpc_register_plugin(grpc_lb_policy_pick_first_init,
+                       grpc_lb_policy_pick_first_shutdown);
+  grpc_register_plugin(grpc_lb_policy_round_robin_init,
+                       grpc_lb_policy_round_robin_shutdown);
+  grpc_register_plugin(census_grpc_plugin_init,
+                       census_grpc_plugin_shutdown);
+}
diff --git a/src/core/surface/init.c b/src/core/surface/init.c
deleted file mode 100644
index a4a53d3ec1a321f4a75b6b607d66ec32091437c0..0000000000000000000000000000000000000000
--- a/src/core/surface/init.c
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#include <memory.h>
-
-#include <grpc/census.h>
-#include <grpc/grpc.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/time.h>
-#include "src/core/channel/channel_stack.h"
-#include "src/core/client_config/lb_policy_registry.h"
-#include "src/core/client_config/lb_policies/pick_first.h"
-#include "src/core/client_config/lb_policies/round_robin.h"
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/client_config/resolvers/dns_resolver.h"
-#include "src/core/client_config/resolvers/sockaddr_resolver.h"
-#include "src/core/client_config/subchannel.h"
-#include "src/core/client_config/subchannel_index.h"
-#include "src/core/debug/trace.h"
-#include "src/core/iomgr/executor.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/profiling/timers.h"
-#include "src/core/surface/api_trace.h"
-#include "src/core/surface/call.h"
-#include "src/core/surface/completion_queue.h"
-#include "src/core/surface/init.h"
-#include "src/core/surface/surface_trace.h"
-#include "src/core/transport/chttp2_transport.h"
-#include "src/core/transport/connectivity_state.h"
-
-#ifndef GRPC_DEFAULT_NAME_PREFIX
-#define GRPC_DEFAULT_NAME_PREFIX "dns:///"
-#endif
-
-#define MAX_PLUGINS 128
-
-static gpr_once g_basic_init = GPR_ONCE_INIT;
-static gpr_mu g_init_mu;
-static int g_initializations;
-
-static void do_basic_init(void) {
-  gpr_mu_init(&g_init_mu);
-  g_initializations = 0;
-}
-
-typedef struct grpc_plugin {
-  void (*init)();
-  void (*destroy)();
-} grpc_plugin;
-
-static grpc_plugin g_all_of_the_plugins[MAX_PLUGINS];
-static int g_number_of_plugins = 0;
-
-void grpc_register_plugin(void (*init)(void), void (*destroy)(void)) {
-  GRPC_API_TRACE("grpc_register_plugin(init=%p, destroy=%p)", 2,
-                 ((void*)(intptr_t)init, (void*)(intptr_t)destroy));
-  GPR_ASSERT(g_number_of_plugins != MAX_PLUGINS);
-  g_all_of_the_plugins[g_number_of_plugins].init = init;
-  g_all_of_the_plugins[g_number_of_plugins].destroy = destroy;
-  g_number_of_plugins++;
-}
-
-void grpc_init(void) {
-  int i;
-  gpr_once_init(&g_basic_init, do_basic_init);
-
-  gpr_mu_lock(&g_init_mu);
-  if (++g_initializations == 1) {
-    gpr_time_init();
-    grpc_mdctx_global_init();
-    grpc_lb_policy_registry_init(grpc_pick_first_lb_factory_create());
-    grpc_register_lb_policy(grpc_pick_first_lb_factory_create());
-    grpc_register_lb_policy(grpc_round_robin_lb_factory_create());
-    grpc_resolver_registry_init(GRPC_DEFAULT_NAME_PREFIX);
-    grpc_register_resolver_type(grpc_dns_resolver_factory_create());
-    grpc_register_resolver_type(grpc_ipv4_resolver_factory_create());
-    grpc_register_resolver_type(grpc_ipv6_resolver_factory_create());
-#ifdef GPR_POSIX_SOCKET
-    grpc_register_resolver_type(grpc_unix_resolver_factory_create());
-#endif
-    grpc_register_tracer("api", &grpc_api_trace);
-    grpc_register_tracer("channel", &grpc_trace_channel);
-    grpc_register_tracer("http", &grpc_http_trace);
-    grpc_register_tracer("flowctl", &grpc_flowctl_trace);
-    grpc_register_tracer("connectivity_state", &grpc_connectivity_state_trace);
-    grpc_security_pre_init();
-    grpc_iomgr_init();
-    grpc_executor_init();
-    grpc_tracer_init("GRPC_TRACE");
-    /* Only initialize census if no one else has and some features are
-     * available. */
-    if (census_enabled() == CENSUS_FEATURE_NONE &&
-        census_supported() != CENSUS_FEATURE_NONE) {
-      if (census_initialize(census_supported())) { /* enable all features. */
-        gpr_log(GPR_ERROR, "Could not initialize census.");
-      }
-    }
-    gpr_timers_global_init();
-    grpc_cq_global_init();
-    grpc_subchannel_index_init();
-    for (i = 0; i < g_number_of_plugins; i++) {
-      if (g_all_of_the_plugins[i].init != NULL) {
-        g_all_of_the_plugins[i].init();
-      }
-    }
-  }
-  gpr_mu_unlock(&g_init_mu);
-  GRPC_API_TRACE("grpc_init(void)", 0, ());
-}
-
-void grpc_shutdown(void) {
-  int i;
-  GRPC_API_TRACE("grpc_shutdown(void)", 0, ());
-  gpr_mu_lock(&g_init_mu);
-  if (--g_initializations == 0) {
-    grpc_executor_shutdown();
-    grpc_cq_global_shutdown();
-    grpc_iomgr_shutdown();
-    grpc_subchannel_index_shutdown();
-    census_shutdown();
-    gpr_timers_global_destroy();
-    grpc_tracer_shutdown();
-    grpc_resolver_registry_shutdown();
-    grpc_lb_policy_registry_shutdown();
-    for (i = 0; i < g_number_of_plugins; i++) {
-      if (g_all_of_the_plugins[i].destroy != NULL) {
-        g_all_of_the_plugins[i].destroy();
-      }
-    }
-    grpc_mdctx_global_shutdown();
-  }
-  gpr_mu_unlock(&g_init_mu);
-}
-
-int grpc_is_initialized(void) {
-  int r;
-  gpr_once_init(&g_basic_init, do_basic_init);
-  gpr_mu_lock(&g_init_mu);
-  r = g_initializations > 0;
-  gpr_mu_unlock(&g_init_mu);
-  return r;
-}
diff --git a/src/core/transport/chttp2/huffsyms.c b/src/core/transport/chttp2/huffsyms.c
deleted file mode 100644
index 7b138e9b5db575fcae956e31e6551a074b0e9230..0000000000000000000000000000000000000000
--- a/src/core/transport/chttp2/huffsyms.c
+++ /dev/null
@@ -1,297 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/transport/chttp2/huffsyms.h"
-
-/* Constants pulled from the HPACK spec, and converted to C using the vim
-   command:
-   :%s/.*   \([0-9a-f]\+\)  \[ *\([0-9]\+\)\]/{0x\1, \2},/g */
-const grpc_chttp2_huffsym grpc_chttp2_huffsyms[GRPC_CHTTP2_NUM_HUFFSYMS] = {
-    {0x1ff8, 13},
-    {0x7fffd8, 23},
-    {0xfffffe2, 28},
-    {0xfffffe3, 28},
-    {0xfffffe4, 28},
-    {0xfffffe5, 28},
-    {0xfffffe6, 28},
-    {0xfffffe7, 28},
-    {0xfffffe8, 28},
-    {0xffffea, 24},
-    {0x3ffffffc, 30},
-    {0xfffffe9, 28},
-    {0xfffffea, 28},
-    {0x3ffffffd, 30},
-    {0xfffffeb, 28},
-    {0xfffffec, 28},
-    {0xfffffed, 28},
-    {0xfffffee, 28},
-    {0xfffffef, 28},
-    {0xffffff0, 28},
-    {0xffffff1, 28},
-    {0xffffff2, 28},
-    {0x3ffffffe, 30},
-    {0xffffff3, 28},
-    {0xffffff4, 28},
-    {0xffffff5, 28},
-    {0xffffff6, 28},
-    {0xffffff7, 28},
-    {0xffffff8, 28},
-    {0xffffff9, 28},
-    {0xffffffa, 28},
-    {0xffffffb, 28},
-    {0x14, 6},
-    {0x3f8, 10},
-    {0x3f9, 10},
-    {0xffa, 12},
-    {0x1ff9, 13},
-    {0x15, 6},
-    {0xf8, 8},
-    {0x7fa, 11},
-    {0x3fa, 10},
-    {0x3fb, 10},
-    {0xf9, 8},
-    {0x7fb, 11},
-    {0xfa, 8},
-    {0x16, 6},
-    {0x17, 6},
-    {0x18, 6},
-    {0x0, 5},
-    {0x1, 5},
-    {0x2, 5},
-    {0x19, 6},
-    {0x1a, 6},
-    {0x1b, 6},
-    {0x1c, 6},
-    {0x1d, 6},
-    {0x1e, 6},
-    {0x1f, 6},
-    {0x5c, 7},
-    {0xfb, 8},
-    {0x7ffc, 15},
-    {0x20, 6},
-    {0xffb, 12},
-    {0x3fc, 10},
-    {0x1ffa, 13},
-    {0x21, 6},
-    {0x5d, 7},
-    {0x5e, 7},
-    {0x5f, 7},
-    {0x60, 7},
-    {0x61, 7},
-    {0x62, 7},
-    {0x63, 7},
-    {0x64, 7},
-    {0x65, 7},
-    {0x66, 7},
-    {0x67, 7},
-    {0x68, 7},
-    {0x69, 7},
-    {0x6a, 7},
-    {0x6b, 7},
-    {0x6c, 7},
-    {0x6d, 7},
-    {0x6e, 7},
-    {0x6f, 7},
-    {0x70, 7},
-    {0x71, 7},
-    {0x72, 7},
-    {0xfc, 8},
-    {0x73, 7},
-    {0xfd, 8},
-    {0x1ffb, 13},
-    {0x7fff0, 19},
-    {0x1ffc, 13},
-    {0x3ffc, 14},
-    {0x22, 6},
-    {0x7ffd, 15},
-    {0x3, 5},
-    {0x23, 6},
-    {0x4, 5},
-    {0x24, 6},
-    {0x5, 5},
-    {0x25, 6},
-    {0x26, 6},
-    {0x27, 6},
-    {0x6, 5},
-    {0x74, 7},
-    {0x75, 7},
-    {0x28, 6},
-    {0x29, 6},
-    {0x2a, 6},
-    {0x7, 5},
-    {0x2b, 6},
-    {0x76, 7},
-    {0x2c, 6},
-    {0x8, 5},
-    {0x9, 5},
-    {0x2d, 6},
-    {0x77, 7},
-    {0x78, 7},
-    {0x79, 7},
-    {0x7a, 7},
-    {0x7b, 7},
-    {0x7ffe, 15},
-    {0x7fc, 11},
-    {0x3ffd, 14},
-    {0x1ffd, 13},
-    {0xffffffc, 28},
-    {0xfffe6, 20},
-    {0x3fffd2, 22},
-    {0xfffe7, 20},
-    {0xfffe8, 20},
-    {0x3fffd3, 22},
-    {0x3fffd4, 22},
-    {0x3fffd5, 22},
-    {0x7fffd9, 23},
-    {0x3fffd6, 22},
-    {0x7fffda, 23},
-    {0x7fffdb, 23},
-    {0x7fffdc, 23},
-    {0x7fffdd, 23},
-    {0x7fffde, 23},
-    {0xffffeb, 24},
-    {0x7fffdf, 23},
-    {0xffffec, 24},
-    {0xffffed, 24},
-    {0x3fffd7, 22},
-    {0x7fffe0, 23},
-    {0xffffee, 24},
-    {0x7fffe1, 23},
-    {0x7fffe2, 23},
-    {0x7fffe3, 23},
-    {0x7fffe4, 23},
-    {0x1fffdc, 21},
-    {0x3fffd8, 22},
-    {0x7fffe5, 23},
-    {0x3fffd9, 22},
-    {0x7fffe6, 23},
-    {0x7fffe7, 23},
-    {0xffffef, 24},
-    {0x3fffda, 22},
-    {0x1fffdd, 21},
-    {0xfffe9, 20},
-    {0x3fffdb, 22},
-    {0x3fffdc, 22},
-    {0x7fffe8, 23},
-    {0x7fffe9, 23},
-    {0x1fffde, 21},
-    {0x7fffea, 23},
-    {0x3fffdd, 22},
-    {0x3fffde, 22},
-    {0xfffff0, 24},
-    {0x1fffdf, 21},
-    {0x3fffdf, 22},
-    {0x7fffeb, 23},
-    {0x7fffec, 23},
-    {0x1fffe0, 21},
-    {0x1fffe1, 21},
-    {0x3fffe0, 22},
-    {0x1fffe2, 21},
-    {0x7fffed, 23},
-    {0x3fffe1, 22},
-    {0x7fffee, 23},
-    {0x7fffef, 23},
-    {0xfffea, 20},
-    {0x3fffe2, 22},
-    {0x3fffe3, 22},
-    {0x3fffe4, 22},
-    {0x7ffff0, 23},
-    {0x3fffe5, 22},
-    {0x3fffe6, 22},
-    {0x7ffff1, 23},
-    {0x3ffffe0, 26},
-    {0x3ffffe1, 26},
-    {0xfffeb, 20},
-    {0x7fff1, 19},
-    {0x3fffe7, 22},
-    {0x7ffff2, 23},
-    {0x3fffe8, 22},
-    {0x1ffffec, 25},
-    {0x3ffffe2, 26},
-    {0x3ffffe3, 26},
-    {0x3ffffe4, 26},
-    {0x7ffffde, 27},
-    {0x7ffffdf, 27},
-    {0x3ffffe5, 26},
-    {0xfffff1, 24},
-    {0x1ffffed, 25},
-    {0x7fff2, 19},
-    {0x1fffe3, 21},
-    {0x3ffffe6, 26},
-    {0x7ffffe0, 27},
-    {0x7ffffe1, 27},
-    {0x3ffffe7, 26},
-    {0x7ffffe2, 27},
-    {0xfffff2, 24},
-    {0x1fffe4, 21},
-    {0x1fffe5, 21},
-    {0x3ffffe8, 26},
-    {0x3ffffe9, 26},
-    {0xffffffd, 28},
-    {0x7ffffe3, 27},
-    {0x7ffffe4, 27},
-    {0x7ffffe5, 27},
-    {0xfffec, 20},
-    {0xfffff3, 24},
-    {0xfffed, 20},
-    {0x1fffe6, 21},
-    {0x3fffe9, 22},
-    {0x1fffe7, 21},
-    {0x1fffe8, 21},
-    {0x7ffff3, 23},
-    {0x3fffea, 22},
-    {0x3fffeb, 22},
-    {0x1ffffee, 25},
-    {0x1ffffef, 25},
-    {0xfffff4, 24},
-    {0xfffff5, 24},
-    {0x3ffffea, 26},
-    {0x7ffff4, 23},
-    {0x3ffffeb, 26},
-    {0x7ffffe6, 27},
-    {0x3ffffec, 26},
-    {0x3ffffed, 26},
-    {0x7ffffe7, 27},
-    {0x7ffffe8, 27},
-    {0x7ffffe9, 27},
-    {0x7ffffea, 27},
-    {0x7ffffeb, 27},
-    {0xffffffe, 28},
-    {0x7ffffec, 27},
-    {0x7ffffed, 27},
-    {0x7ffffee, 27},
-    {0x7ffffef, 27},
-    {0x7fffff0, 27},
-    {0x3ffffee, 26},
-    {0x3fffffff, 30},
-};
diff --git a/src/cpp/README.md b/src/cpp/README.md
index 83d37aa2ed8b9459163d9993de985159273fd096..f2935e52d9e50b3489836bf32c6fb299b3f0ebca 100644
--- a/src/cpp/README.md
+++ b/src/cpp/README.md
@@ -61,7 +61,7 @@ below.
 #Documentation
 
 You can find out how to build and run our simplest gRPC C++ example in our
-[C++ quick start](https://github.com/grpc/grpc/tree/{{ site.data.config.grpc_release_branch }}/examples/cpp).
+[C++ quick start](../../examples/cpp).
 
 For more detailed documentation on using gRPC in C++ , see our main
 documentation site at [grpc.io](http://grpc.io), specifically:
@@ -79,4 +79,4 @@ documentation site at [grpc.io](http://grpc.io), specifically:
 # Examples
 
 Code examples for gRPC C++ live in this repository's
-[examples/cpp](https://github.com/grpc/grpc/tree/{{ site.data.config.grpc_release_branch }}/examples/cpp) directory.
+[examples/cpp](../../examples/cpp) directory.
diff --git a/src/cpp/client/channel.cc b/src/cpp/client/channel.cc
index ae20392d1160c7f72b14975753b13f93ab6267e9..43b3875cb3a4daf265de943d80c011bb6858015e 100644
--- a/src/cpp/client/channel.cc
+++ b/src/cpp/client/channel.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,7 +49,7 @@
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 
 namespace grpc {
 
diff --git a/src/cpp/client/client_context.cc b/src/cpp/client/client_context.cc
index 73147fd7bb21b37de0c67a01ed9be04b06448ef9..32c7794ade7e11b9cad924238635ff6cd87e3df2 100644
--- a/src/cpp/client/client_context.cc
+++ b/src/cpp/client/client_context.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,16 +33,15 @@
 
 #include <grpc++/client_context.h>
 
+#include <grpc++/security/credentials.h>
+#include <grpc++/server_context.h>
+#include <grpc++/support/time.h>
 #include <grpc/compression.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/string_util.h>
-#include <grpc++/security/credentials.h>
-#include <grpc++/server_context.h>
-#include <grpc++/support/time.h>
 
-#include "src/core/channel/compress_filter.h"
-#include "src/cpp/common/create_auth_context.h"
+#include "src/core/lib/channel/compress_filter.h"
 
 namespace grpc {
 
@@ -60,6 +59,8 @@ static ClientContext::GlobalCallbacks* g_client_callbacks =
 
 ClientContext::ClientContext()
     : initial_metadata_received_(false),
+      fail_fast_(true),
+      idempotent_(false),
       call_(nullptr),
       call_canceled_(false),
       deadline_(gpr_inf_future(GPR_CLOCK_REALTIME)),
@@ -114,13 +115,6 @@ void ClientContext::set_compression_algorithm(
   AddMetadata(GRPC_COMPRESS_REQUEST_ALGORITHM_KEY, algorithm_name);
 }
 
-std::shared_ptr<const AuthContext> ClientContext::auth_context() const {
-  if (auth_context_.get() == nullptr) {
-    auth_context_ = CreateAuthContext(call_);
-  }
-  return auth_context_;
-}
-
 void ClientContext::TryCancel() {
   grpc::unique_lock<grpc::mutex> lock(mu_);
   if (call_) {
diff --git a/src/cpp/client/create_channel.cc b/src/cpp/client/create_channel.cc
index 76a1b31e2f762d5402a172ce46ed5a52ea24be8e..d0cc33b7a2a9cd717851a817c9fd5cbcd5d28a17 100644
--- a/src/cpp/client/create_channel.cc
+++ b/src/cpp/client/create_channel.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/cpp/client/credentials.cc b/src/cpp/client/credentials.cc
index 6fb620b0ea8b7c00a815b24b12bafcf5944231cc..e6a4f81b0d57ae20ac2838e20a64edcf0ae23a12 100644
--- a/src/cpp/client/credentials.cc
+++ b/src/cpp/client/credentials.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/cpp/client/insecure_credentials.cc b/src/cpp/client/insecure_credentials.cc
index 1293203b932cdb1b4d6e272265c7b70cb70319cd..13019a711717d589695eb59bdb953a1ea6839213 100644
--- a/src/cpp/client/insecure_credentials.cc
+++ b/src/cpp/client/insecure_credentials.cc
@@ -33,11 +33,11 @@
 
 #include <grpc++/security/credentials.h>
 
-#include <grpc/grpc.h>
-#include <grpc/support/log.h>
 #include <grpc++/channel.h>
 #include <grpc++/support/channel_arguments.h>
 #include <grpc++/support/config.h>
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
 #include "src/cpp/client/create_channel_internal.h"
 
 namespace grpc {
diff --git a/src/cpp/client/secure_credentials.cc b/src/cpp/client/secure_credentials.cc
index 308455527c390792a19c3eb44b73327226b25d88..269c523bba12304ae20c82b1a790eec2cf3846b2 100644
--- a/src/cpp/client/secure_credentials.cc
+++ b/src/cpp/client/secure_credentials.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,12 +31,12 @@
  *
  */
 
+#include "src/cpp/client/secure_credentials.h"
 #include <grpc++/channel.h>
 #include <grpc++/impl/grpc_library.h>
 #include <grpc++/support/channel_arguments.h>
 #include <grpc/support/log.h>
 #include "src/cpp/client/create_channel_internal.h"
-#include "src/cpp/client/secure_credentials.h"
 #include "src/cpp/common/secure_auth_context.h"
 
 namespace grpc {
@@ -60,8 +60,7 @@ std::shared_ptr<grpc::Channel> SecureChannelCredentials::CreateChannel(
 
 SecureCallCredentials::SecureCallCredentials(grpc_call_credentials* c_creds)
     : c_creds_(c_creds) {
-  internal::GrpcLibraryInitializer gli_initializer;
-  gli_initializer.summon();
+  g_gli_initializer.summon();
 }
 
 bool SecureCallCredentials::ApplyToCall(grpc_call* call) {
diff --git a/src/cpp/client/secure_credentials.h b/src/cpp/client/secure_credentials.h
index 9e841021543a52844c5fc4d2323e045ef29ca00a..ae41ef80078ad4fad5c78c1059589b2d4b892a9f 100644
--- a/src/cpp/client/secure_credentials.h
+++ b/src/cpp/client/secure_credentials.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,8 +36,8 @@
 
 #include <grpc/grpc_security.h>
 
-#include <grpc++/support/config.h>
 #include <grpc++/security/credentials.h>
+#include <grpc++/support/config.h>
 
 #include "src/cpp/server/thread_pool_interface.h"
 
diff --git a/src/cpp/common/channel_arguments.cc b/src/cpp/common/channel_arguments.cc
index d7faa5e173d6a63e4711fa3ff02ff82521ecb20e..db3558f192aed1457b4c187932812879f0404a3c 100644
--- a/src/cpp/common/channel_arguments.cc
+++ b/src/cpp/common/channel_arguments.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,7 +36,7 @@
 
 #include <grpc/impl/codegen/grpc_types.h>
 #include <grpc/support/log.h>
-#include "src/core/channel/channel_args.h"
+#include "src/core/lib/channel/channel_args.h"
 
 namespace grpc {
 
diff --git a/src/cpp/common/completion_queue.cc b/src/cpp/common/completion_queue.cc
index 729dc33749a1e9f4b3a1c6c7c8f6cc4179aecbe5..00cc102f9287b733637e4f43515e5fe261120746 100644
--- a/src/cpp/common/completion_queue.cc
+++ b/src/cpp/common/completion_queue.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/cpp/common/core_codegen.cc b/src/cpp/common/core_codegen.cc
index 45e9e278a0092c32d5f28bcf9d5e34b4155a4ecf..33a8f755e69850f7ef458c6ae2dcfae155b0502a 100644
--- a/src/cpp/common/core_codegen.cc
+++ b/src/cpp/common/core_codegen.cc
@@ -46,7 +46,7 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 
 namespace {
 
diff --git a/src/cpp/common/core_codegen.h b/src/cpp/common/core_codegen.h
index 0d8c6b79f7448932b4dee8a5261a02c2f079869b..e15cb4c34aa2fae40a69e0f7b43b6c38c76c950e 100644
--- a/src/cpp/common/core_codegen.h
+++ b/src/cpp/common/core_codegen.h
@@ -34,8 +34,8 @@
 // This file should be compiled as part of grpc++.
 
 #include <grpc++/impl/codegen/core_codegen_interface.h>
-#include <grpc/impl/codegen/grpc_types.h>
 #include <grpc/byte_buffer.h>
+#include <grpc/impl/codegen/grpc_types.h>
 
 namespace grpc {
 
diff --git a/src/cpp/common/insecure_create_auth_context.cc b/src/cpp/common/insecure_create_auth_context.cc
index b2e153229a9d8df51c652b9efe92f4571ac33e6b..258f02c2ada367565c502a961f531e40aa689358 100644
--- a/src/cpp/common/insecure_create_auth_context.cc
+++ b/src/cpp/common/insecure_create_auth_context.cc
@@ -32,8 +32,8 @@
  */
 #include <memory>
 
-#include <grpc/grpc.h>
 #include <grpc++/security/auth_context.h>
+#include <grpc/grpc.h>
 
 namespace grpc {
 
diff --git a/src/cpp/common/secure_channel_arguments.cc b/src/cpp/common/secure_channel_arguments.cc
index e17d3b58b06257ee596ecda00cf86257f6d3c0db..81ec251b92c6e174f702272b2db0f3427f5ab14a 100644
--- a/src/cpp/common/secure_channel_arguments.cc
+++ b/src/cpp/common/secure_channel_arguments.cc
@@ -34,7 +34,7 @@
 #include <grpc++/support/channel_arguments.h>
 
 #include <grpc/grpc_security.h>
-#include "src/core/channel/channel_args.h"
+#include "src/core/lib/channel/channel_args.h"
 
 namespace grpc {
 
diff --git a/src/cpp/common/secure_create_auth_context.cc b/src/cpp/common/secure_create_auth_context.cc
index 40bc298b6420ecbb862581fee3aa46bdf6e8644c..51ddea46a39575eafd6aa9f87f8d63c7411d60b4 100644
--- a/src/cpp/common/secure_create_auth_context.cc
+++ b/src/cpp/common/secure_create_auth_context.cc
@@ -32,9 +32,9 @@
  */
 #include <memory>
 
+#include <grpc++/security/auth_context.h>
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
-#include <grpc++/security/auth_context.h>
 #include "src/cpp/common/secure_auth_context.h"
 
 namespace grpc {
diff --git a/src/cpp/server/secure_server_credentials.cc b/src/cpp/server/secure_server_credentials.cc
index d472667a7eec32971936d6d15da54630ce1bbfe4..33bdc2a1f4f1ca6f8a74e803c43cbecb55b8b14a 100644
--- a/src/cpp/server/secure_server_credentials.cc
+++ b/src/cpp/server/secure_server_credentials.cc
@@ -130,10 +130,14 @@ std::shared_ptr<ServerCredentials> SslServerCredentials(
                                     key_cert_pair->cert_chain.c_str()};
     pem_key_cert_pairs.push_back(p);
   }
-  grpc_server_credentials* c_creds = grpc_ssl_server_credentials_create(
+  grpc_server_credentials* c_creds = grpc_ssl_server_credentials_create_ex(
       options.pem_root_certs.empty() ? nullptr : options.pem_root_certs.c_str(),
       pem_key_cert_pairs.empty() ? nullptr : &pem_key_cert_pairs[0],
-      pem_key_cert_pairs.size(), options.force_client_auth, nullptr);
+      pem_key_cert_pairs.size(),
+      options.force_client_auth
+          ? GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY
+          : options.client_certificate_request,
+      nullptr);
   return std::shared_ptr<ServerCredentials>(
       new SecureServerCredentials(c_creds));
 }
diff --git a/src/cpp/server/server.cc b/src/cpp/server/server.cc
index 6d31a608c803ded3b473e1a9ba8e9fa60e277bf1..fafe31e84c111c250408baed612504cd5836b4ed 100644
--- a/src/cpp/server/server.cc
+++ b/src/cpp/server/server.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,7 +49,7 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 #include "src/cpp/server/thread_pool_interface.h"
 
 namespace grpc {
@@ -264,6 +264,7 @@ class Server::SyncRequest GRPC_FINAL : public CompletionQueueTag {
   void* const tag_;
   bool in_flight_;
   const bool has_request_payload_;
+  uint32_t incoming_flags_;
   grpc_call* call_;
   grpc_call_details* call_details_;
   gpr_timespec deadline_;
@@ -320,6 +321,19 @@ void Server::SetGlobalCallbacks(GlobalCallbacks* callbacks) {
   g_callbacks.reset(callbacks);
 }
 
+static grpc_server_register_method_payload_handling PayloadHandlingForMethod(
+    RpcServiceMethod* method) {
+  switch (method->method_type()) {
+    case RpcMethod::NORMAL_RPC:
+    case RpcMethod::SERVER_STREAMING:
+      return GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER;
+    case RpcMethod::CLIENT_STREAMING:
+    case RpcMethod::BIDI_STREAMING:
+      return GRPC_SRM_PAYLOAD_NONE;
+  }
+  GPR_UNREACHABLE_CODE(return GRPC_SRM_PAYLOAD_NONE;);
+}
+
 bool Server::RegisterService(const grpc::string* host, Service* service) {
   bool has_async_methods = service->has_async_methods();
   if (has_async_methods) {
@@ -333,8 +347,9 @@ bool Server::RegisterService(const grpc::string* host, Service* service) {
       continue;
     }
     RpcServiceMethod* method = it->get();
-    void* tag = grpc_server_register_method(server_, method->name(),
-                                            host ? host->c_str() : nullptr);
+    void* tag = grpc_server_register_method(
+        server_, method->name(), host ? host->c_str() : nullptr,
+        PayloadHandlingForMethod(method), 0);
     if (tag == nullptr) {
       gpr_log(GPR_DEBUG, "Attempt to register %s multiple times",
               method->name());
diff --git a/src/cpp/server/server_builder.cc b/src/cpp/server/server_builder.cc
index 134e5f1d5ff2e4fd08029413a6e5c6a189583c76..68cc38258cf91a376020eb8b95685ab07464e6d3 100644
--- a/src/cpp/server/server_builder.cc
+++ b/src/cpp/server/server_builder.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,10 +33,10 @@
 
 #include <grpc++/server_builder.h>
 
-#include <grpc/support/cpu.h>
-#include <grpc/support/log.h>
 #include <grpc++/impl/service_type.h>
 #include <grpc++/server.h>
+#include <grpc/support/cpu.h>
+#include <grpc/support/log.h>
 #include "src/cpp/server/thread_pool_interface.h"
 
 namespace grpc {
diff --git a/src/cpp/server/server_context.cc b/src/cpp/server/server_context.cc
index eb49b210379109529e0e3c54518ce1d867fb21be..204fef1b09e5c73b0a74d7b4b01f6eb79c8d152d 100644
--- a/src/cpp/server/server_context.cc
+++ b/src/cpp/server/server_context.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,8 +42,8 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/channel/compress_filter.h"
-#include "src/cpp/common/create_auth_context.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/surface/call.h"
 
 namespace grpc {
 
@@ -197,7 +197,7 @@ bool ServerContext::IsCancelled() const {
 
 void ServerContext::set_compression_level(grpc_compression_level level) {
   const grpc_compression_algorithm algorithm_for_level =
-      grpc_compression_algorithm_for_level(level);
+      grpc_call_compression_for_level(call_, level);
   set_compression_algorithm(algorithm_for_level);
 }
 
@@ -213,18 +213,6 @@ void ServerContext::set_compression_algorithm(
   AddInitialMetadata(GRPC_COMPRESS_REQUEST_ALGORITHM_KEY, algorithm_name);
 }
 
-void ServerContext::set_call(grpc_call* call) {
-  call_ = call;
-  auth_context_ = CreateAuthContext(call);
-}
-
-std::shared_ptr<const AuthContext> ServerContext::auth_context() const {
-  if (auth_context_.get() == nullptr) {
-    auth_context_ = CreateAuthContext(call_);
-  }
-  return auth_context_;
-}
-
 grpc::string ServerContext::peer() const {
   grpc::string peer;
   if (call_) {
diff --git a/src/cpp/util/byte_buffer.cc b/src/cpp/util/byte_buffer.cc
index 3a2318d1a60f57b17f6da66b016e891c94e7b2fa..c0a14de418af5022bf67ff52dc9350104a960f4a 100644
--- a/src/cpp/util/byte_buffer.cc
+++ b/src/cpp/util/byte_buffer.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/cpp/util/string_ref.cc b/src/cpp/util/string_ref.cc
index b55019b5f2ccf765558b6fc222a478faee79a761..a16601de5deee9d2e9b4dd1144c750998b8dd061 100644
--- a/src/cpp/util/string_ref.cc
+++ b/src/cpp/util/string_ref.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/cpp/util/time.cc b/src/cpp/util/time.cc
index 2685e31ee6003805d1aab3b7c1d04d9680119372..c43d848cc602a6a1d745f146653e26bb850f95e9 100644
--- a/src/cpp/util/time.cc
+++ b/src/cpp/util/time.cc
@@ -35,8 +35,8 @@
 
 #ifndef GRPC_CXX0X_NO_CHRONO
 
-#include <grpc/support/time.h>
 #include <grpc++/support/time.h>
+#include <grpc/support/time.h>
 
 using std::chrono::duration_cast;
 using std::chrono::nanoseconds;
diff --git a/src/csharp/.nuget/packages.config b/src/csharp/.nuget/packages.config
index 89a310ac5697ed25fe4542a4f74e3fa1cc67dfeb..6154b3561f49cd2c44fec22d8f60c9136aa7140e 100644
--- a/src/csharp/.nuget/packages.config
+++ b/src/csharp/.nuget/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="NUnit.Runners" version="2.6.4" />
-  <package id="OpenCover" version="4.6.166" />
-  <package id="ReportGenerator" version="2.3.2.0" />
+  <package id="NUnit.ConsoleRunner" version="3.2.0" />
+  <package id="OpenCover" version="4.6.519" />
+  <package id="ReportGenerator" version="2.4.4.0" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Auth/GoogleAuthInterceptors.cs b/src/csharp/Grpc.Auth/GoogleAuthInterceptors.cs
index 1837f5c74bd03d79a174b68222be765ccc558471..96d6ee87ae4d4a0113ed98228ffdbc3043eab497 100644
--- a/src/csharp/Grpc.Auth/GoogleAuthInterceptors.cs
+++ b/src/csharp/Grpc.Auth/GoogleAuthInterceptors.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Auth/Grpc.Auth.csproj b/src/csharp/Grpc.Auth/Grpc.Auth.csproj
index 8dd12b50ef580caf6dc5f23981cf014a9fa6a229..3acea7d2f83882b4274ee13489fd62f84f4eca89 100644
--- a/src/csharp/Grpc.Auth/Grpc.Auth.csproj
+++ b/src/csharp/Grpc.Auth/Grpc.Auth.csproj
@@ -9,7 +9,7 @@
     <AssemblyName>Grpc.Auth</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <DocumentationFile>bin\$(Configuration)\Grpc.Auth.Xml</DocumentationFile>
-    <NuGetPackageImportStamp>4f8487a9</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>455903a2</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -39,43 +39,30 @@
     <AssemblyOriginatorKeyFile>..\keys\Grpc.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Google.Apis.Auth, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="BouncyCastle.Crypto, Version=1.7.4137.9688, Culture=neutral, PublicKeyToken=a4292a325f69b123, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.dll</HintPath>
+      <HintPath>..\packages\BouncyCastle.1.7.0\lib\Net40-Client\BouncyCastle.Crypto.dll</HintPath>
+    </Reference>
+    <Reference Include="Google.Apis.Auth, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.dll</HintPath>
+    </Reference>
+    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.PlatformServices.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Core, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.PlatformServices.dll</HintPath>
+      <HintPath>..\packages\Google.Apis.Core.1.11.1\lib\net45\Google.Apis.Core.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Core, Version=1.10.0.25331, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Core.1.10.0\lib\portable-net40+sl50+win+wpa81+wp80\Google.Apis.Core.dll</HintPath>
+      <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Net" />
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Net.Http.WebRequest" />
-    <Reference Include="BouncyCastle.Crypto">
-      <HintPath>..\packages\BouncyCastle.1.7.0\lib\Net40-Client\BouncyCastle.Crypto.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions.Desktop">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.Desktop.dll</HintPath>
-    </Reference>
-    <Reference Include="Newtonsoft.Json">
-      <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Net.Http.Extensions">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Net.Http.Primitives">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Primitives.dll</HintPath>
-    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\Grpc.Core\Version.cs">
@@ -93,15 +80,7 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <None Include="app.config" />
     <None Include="Grpc.Auth.nuspec" />
     <None Include="packages.config" />
   </ItemGroup>
-  <Import Project="..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets'))" />
-  </Target>
 </Project>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Auth/Grpc.Auth.nuspec b/src/csharp/Grpc.Auth/Grpc.Auth.nuspec
index f1f8f7c709c232ca24bcb55590a11457c9d129fd..4baed3704c401d409b49ed6227c6835434cdcd12 100644
--- a/src/csharp/Grpc.Auth/Grpc.Auth.nuspec
+++ b/src/csharp/Grpc.Auth/Grpc.Auth.nuspec
@@ -15,7 +15,7 @@
     <copyright>Copyright 2015, Google Inc.</copyright>
     <tags>gRPC RPC Protocol HTTP/2 Auth OAuth2</tags>
 	<dependencies>
-	  <dependency id="Google.Apis.Auth" version="1.9.3" />
+	  <dependency id="Google.Apis.Auth" version="1.11.1" />
 	  <dependency id="Grpc.Core" version="$version$" />
     </dependencies>
   </metadata>
diff --git a/src/csharp/Grpc.Auth/app.config b/src/csharp/Grpc.Auth/app.config
deleted file mode 100644
index 84d7534d650c51f8e2e4e0049dccab26d725c90f..0000000000000000000000000000000000000000
--- a/src/csharp/Grpc.Auth/app.config
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <runtime>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.29.0" newVersion="4.2.29.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.0.0.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="Google.Apis.Core" publicKeyToken="4b01fa6e34db77ab" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-1.9.2.38523" newVersion="1.9.2.38523" />
-      </dependentAssembly>
-    </assemblyBinding>
-  </runtime>
-</configuration>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Auth/packages.config b/src/csharp/Grpc.Auth/packages.config
index 5fe8ca616c7a022d609eff47fb27810b39e88a37..c20d9ceed6a180a50151be916f2c4d12628dc1bf 100644
--- a/src/csharp/Grpc.Auth/packages.config
+++ b/src/csharp/Grpc.Auth/packages.config
@@ -1,11 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="BouncyCastle" version="1.7.0" targetFramework="net45" />
-  <package id="Google.Apis.Auth" version="1.10.0" targetFramework="net45" />
-  <package id="Google.Apis.Core" version="1.10.0" targetFramework="net45" />
-  <package id="Microsoft.Bcl" version="1.1.10" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Build" version="1.0.21" targetFramework="net45" />
-  <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net45" />
+  <package id="Google.Apis.Auth" version="1.11.1" targetFramework="net45" />
+  <package id="Google.Apis.Core" version="1.11.1" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Core.Tests/CallOptionsTest.cs b/src/csharp/Grpc.Core.Tests/CallOptionsTest.cs
index a3a613be746adb990c7758a0006df364d06a5bb8..99a2d47e6e904f165ec658c4177654bee224a91a 100644
--- a/src/csharp/Grpc.Core.Tests/CallOptionsTest.cs
+++ b/src/csharp/Grpc.Core.Tests/CallOptionsTest.cs
@@ -54,10 +54,20 @@ namespace Grpc.Core.Tests
             var deadline = DateTime.UtcNow;
             Assert.AreEqual(deadline, options.WithDeadline(deadline).Deadline.Value);
 
-            var token = new CancellationTokenSource().Token;
-            Assert.AreEqual(token, options.WithCancellationToken(token).CancellationToken);
+            var cancellationToken = new CancellationTokenSource().Token;
+            Assert.AreEqual(cancellationToken, options.WithCancellationToken(cancellationToken).CancellationToken);
+
+            var writeOptions = new WriteOptions();
+            Assert.AreSame(writeOptions, options.WithWriteOptions(writeOptions).WriteOptions);
+
+            var propagationToken = new ContextPropagationToken(CallSafeHandle.NullInstance, DateTime.UtcNow, 
+                CancellationToken.None, ContextPropagationOptions.Default);
+            Assert.AreSame(propagationToken, options.WithPropagationToken(propagationToken).PropagationToken);
+
+            var credentials = new FakeCallCredentials();
+            Assert.AreSame(credentials, options.WithCredentials(credentials).Credentials);
 
-            // Change original instance is unchanged.
+            // Check that the original instance is unchanged.
             Assert.IsNull(options.Headers);
             Assert.IsNull(options.Deadline);
             Assert.AreEqual(CancellationToken.None, options.CancellationToken);
diff --git a/src/csharp/Grpc.Core.Tests/ChannelTest.cs b/src/csharp/Grpc.Core.Tests/ChannelTest.cs
index ed0ec14df5c366a894e9e719c818e76a81d4abca..6330f50faed9095a7e6d98869f1fc0ca0bad98bb 100644
--- a/src/csharp/Grpc.Core.Tests/ChannelTest.cs
+++ b/src/csharp/Grpc.Core.Tests/ChannelTest.cs
@@ -70,7 +70,7 @@ namespace Grpc.Core.Tests
         public void WaitForStateChangedAsync_InvalidArgument()
         {
             var channel = new Channel("localhost", ChannelCredentials.Insecure);
-            Assert.Throws(typeof(ArgumentException), () => channel.WaitForStateChangedAsync(ChannelState.FatalFailure));
+            Assert.ThrowsAsync(typeof(ArgumentException), async () => await channel.WaitForStateChangedAsync(ChannelState.FatalFailure));
             channel.ShutdownAsync().Wait();
         }
 
@@ -87,7 +87,7 @@ namespace Grpc.Core.Tests
         {
             var channel = new Channel("localhost", ChannelCredentials.Insecure);
             channel.ShutdownAsync().Wait();
-            Assert.Throws(typeof(InvalidOperationException), () => channel.ShutdownAsync().GetAwaiter().GetResult());
+            Assert.ThrowsAsync(typeof(InvalidOperationException), async () => await channel.ShutdownAsync());
         }
     }
 }
diff --git a/src/csharp/Grpc.Core.Tests/ClientServerTest.cs b/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
index 77f6a63156b51124b4634a25a36fbac98771f189..6c13a4fa483bea838c116f0646fe14fa5d06d84b 100644
--- a/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
+++ b/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
@@ -93,7 +93,7 @@ namespace Grpc.Core.Tests
             var ex = Assert.Throws<RpcException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "abc"));
             Assert.AreEqual(StatusCode.Unknown, ex.Status.StatusCode); 
 
-            var ex2 = Assert.Throws<RpcException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "abc"));
+            var ex2 = Assert.ThrowsAsync<RpcException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "abc"));
             Assert.AreEqual(StatusCode.Unknown, ex2.Status.StatusCode);
         }
 
@@ -108,7 +108,7 @@ namespace Grpc.Core.Tests
             var ex = Assert.Throws<RpcException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "abc"));
             Assert.AreEqual(StatusCode.Unauthenticated, ex.Status.StatusCode);
 
-            var ex2 = Assert.Throws<RpcException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "abc"));
+            var ex2 = Assert.ThrowsAsync<RpcException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "abc"));
             Assert.AreEqual(StatusCode.Unauthenticated, ex2.Status.StatusCode);
         }
 
@@ -124,7 +124,7 @@ namespace Grpc.Core.Tests
             var ex = Assert.Throws<RpcException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "abc"));
             Assert.AreEqual(StatusCode.Unauthenticated, ex.Status.StatusCode);
 
-            var ex2 = Assert.Throws<RpcException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "abc"));
+            var ex2 = Assert.ThrowsAsync<RpcException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "abc"));
             Assert.AreEqual(StatusCode.Unauthenticated, ex2.Status.StatusCode);
         }
 
@@ -204,7 +204,7 @@ namespace Grpc.Core.Tests
             await barrier.Task;  // make sure the handler has started.
             cts.Cancel();
 
-            var ex = Assert.Throws<RpcException>(async () => await call.ResponseAsync);
+            var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseAsync);
             Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
         }
 
@@ -290,7 +290,7 @@ namespace Grpc.Core.Tests
                 return request;
             });
 
-            Assert.Throws(typeof(TaskCanceledException), 
+            Assert.ThrowsAsync(typeof(TaskCanceledException), 
                 async () => await channel.WaitForStateChangedAsync(channel.State, DateTime.UtcNow.AddMilliseconds(10)));
 
             var stateChangedTask = channel.WaitForStateChangedAsync(channel.State);
diff --git a/src/csharp/Grpc.Core.Tests/ContextPropagationTest.cs b/src/csharp/Grpc.Core.Tests/ContextPropagationTest.cs
index 90c510ec61f24c7aac150d2fd8d19afcc3154b92..cec8c7ce6bb237468e8a13c2260bfdca353ca068 100644
--- a/src/csharp/Grpc.Core.Tests/ContextPropagationTest.cs
+++ b/src/csharp/Grpc.Core.Tests/ContextPropagationTest.cs
@@ -105,7 +105,7 @@ namespace Grpc.Core.Tests
             var parentCall = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall(new CallOptions(cancellationToken: cts.Token)));
             await readyToCancelTcs.Task;
             cts.Cancel();
-            Assert.Throws(typeof(RpcException), async () => await parentCall);
+            Assert.ThrowsAsync(typeof(RpcException), async () => await parentCall);
             Assert.AreEqual("CHILD_CALL_CANCELLED", await successTcs.Task);
         }
 
diff --git a/src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.csproj b/src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.csproj
index 7e73c4f1817b31f447227651e7cb81c7f66b0e46..0cd059c2327c315218e474efbd48fca34de34cb6 100644
--- a/src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.csproj
+++ b/src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.csproj
@@ -4,7 +4,7 @@
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{86EC5CB4-4EA2-40A2-8057-86542A0353BB}</ProjectGuid>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <RootNamespace>Grpc.Core.Tests</RootNamespace>
     <AssemblyName>Grpc.Core.Tests</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
@@ -35,29 +35,18 @@
     <AssemblyOriginatorKeyFile>..\keys\Grpc.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="nunit.core">
-      <HintPath>..\packages\NUnitTestAdapter.2.0.0\lib\nunit.core.dll</HintPath>
-      <Private>False</Private>
-    </Reference>
-    <Reference Include="nunit.core.interfaces">
-      <HintPath>..\packages\NUnitTestAdapter.2.0.0\lib\nunit.core.interfaces.dll</HintPath>
-      <Private>False</Private>
-    </Reference>
+    <Reference Include="System" />
     <Reference Include="nunit.framework">
-      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
+      <HintPath>..\packages\NUnit.3.2.0\lib\net45\nunit.framework.dll</HintPath>
     </Reference>
-    <Reference Include="nunit.util">
-      <HintPath>..\packages\NUnitTestAdapter.2.0.0\lib\nunit.util.dll</HintPath>
-      <Private>False</Private>
+    <Reference Include="System.Interactive.Async">
+      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
     </Reference>
-    <Reference Include="NUnit.VisualStudio.TestAdapter">
-      <HintPath>..\packages\NUnitTestAdapter.2.0.0\lib\NUnit.VisualStudio.TestAdapter.dll</HintPath>
-      <Private>False</Private>
+    <Reference Include="nunitlite">
+      <HintPath>..\packages\NUnitLite.3.2.0\lib\net45\nunitlite.dll</HintPath>
     </Reference>
-    <Reference Include="System" />
-    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
+    <Reference Include="Newtonsoft.Json">
+      <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
@@ -93,6 +82,8 @@
     <Compile Include="MetadataTest.cs" />
     <Compile Include="PerformanceTest.cs" />
     <Compile Include="SanityTest.cs" />
+    <Compile Include="HalfcloseTest.cs" />
+    <Compile Include="NUnitMain.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
diff --git a/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs b/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
index fac93fcc5cc09f1d56808722b399409578cf7cef..ab12c120cbaf5988eb574f49ce500767779a441e 100644
--- a/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
+++ b/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core.Tests/HalfcloseTest.cs b/src/csharp/Grpc.Core.Tests/HalfcloseTest.cs
new file mode 100644
index 0000000000000000000000000000000000000000..b4cb451d9446a25529ea43f62d89c108737b7c1f
--- /dev/null
+++ b/src/csharp/Grpc.Core.Tests/HalfcloseTest.cs
@@ -0,0 +1,97 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+using Grpc.Core;
+using Grpc.Core.Internal;
+using Grpc.Core.Utils;
+
+using NUnit.Framework;
+
+namespace Grpc.Core.Tests
+{
+    public class HalfcloseTest
+    {
+        MockServiceHelper helper;
+        Server server;
+        Channel channel;
+
+        [SetUp]
+        public void Init()
+        {
+            helper = new MockServiceHelper();
+
+            server = helper.GetServer();
+            server.Start();
+            channel = helper.GetChannel();
+        }
+
+        [TearDown]
+        public void Cleanup()
+        {
+            channel.ShutdownAsync().Wait();
+            server.ShutdownAsync().Wait();
+        }
+
+        /// <summary>
+        /// For client streaming and duplex streaming calls, if server does a full close
+        /// before we halfclose the request stream, an attempt to halfclose
+        /// (complete the request stream) shouldn't be treated as an error.
+        /// </summary>
+        [Test]
+        public async Task HalfcloseAfterFullclose_ClientStreamingCall()
+        {
+            helper.ClientStreamingHandler = new ClientStreamingServerMethod<string, string>(async (requestStream, context) =>
+            {
+                return "PASS";
+            });
+
+            var call = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall());
+            // make sure server has fullclosed on us
+            Assert.AreEqual("PASS", await call.ResponseAsync);
+
+            // sending close from client should be still fine because server can finish
+            // the call anytime and we cannot do anything about it on the client side.
+            await call.RequestStream.CompleteAsync();
+
+            // Second attempt to close from client is not allowed.
+            Assert.ThrowsAsync(typeof(InvalidOperationException), async () => await call.RequestStream.CompleteAsync());
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs b/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs
index d5a1eeb0fba6d8db2c5dbccc688b27b675f1ca8e..60530d32508ffd404486a28b959e233ac1a2abb5 100644
--- a/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs
+++ b/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -84,7 +84,7 @@ namespace Grpc.Core.Internal.Tests
 
             Assert.AreEqual(StatusCode.Internal, asyncCall.GetStatus().StatusCode);
             Assert.IsNull(asyncCall.GetTrailers());
-            var ex = Assert.Throws<RpcException>(() => resultTask.GetAwaiter().GetResult());
+            var ex = Assert.ThrowsAsync<RpcException>(async () => await resultTask);
             Assert.AreEqual(StatusCode.Internal, ex.Status.StatusCode);
         }
 
diff --git a/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs b/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs
index 37fb36946aff1a3d8a5fce783eb94ea72e50e9bc..0663e77d1eaf7c8e6db9708b036d61ed172695ed 100644
--- a/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs
+++ b/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs
@@ -112,7 +112,7 @@ namespace Grpc.Core.Tests
             });
 
             var call = Calls.AsyncServerStreamingCall(helper.CreateServerStreamingCall(), "REQUEST");
-            var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.MoveNext());
+            var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.MoveNext());
             Assert.AreEqual(StatusCode.Internal, ex.Status.StatusCode);
         }
 
@@ -134,7 +134,7 @@ namespace Grpc.Core.Tests
         {
             helper.ClientStreamingHandler = new ClientStreamingServerMethod<string, string>(async (requestStream, context) =>
             {
-                Assert.Throws<IOException>(async () => await requestStream.MoveNext());
+                Assert.ThrowsAsync<IOException>(async () => await requestStream.MoveNext());
                 return "RESPONSE";
             });
 
@@ -153,7 +153,7 @@ namespace Grpc.Core.Tests
         [Test]
         public void RequestSerializationError_AsyncUnary()
         {
-            Assert.Throws<IOException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "UNSERIALIZABLE_VALUE"));
+            Assert.ThrowsAsync<IOException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "UNSERIALIZABLE_VALUE"));
         }
 
         [Test]
@@ -166,7 +166,7 @@ namespace Grpc.Core.Tests
             });
             var call = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall());
             await call.RequestStream.WriteAsync("A");
-            Assert.Throws<IOException>(async () => await call.RequestStream.WriteAsync("UNSERIALIZABLE_VALUE"));
+            Assert.ThrowsAsync<IOException>(async () => await call.RequestStream.WriteAsync("UNSERIALIZABLE_VALUE"));
             await call.RequestStream.WriteAsync("B");
             await call.RequestStream.CompleteAsync();
 
diff --git a/src/csharp/Grpc.Core.Tests/NUnitMain.cs b/src/csharp/Grpc.Core.Tests/NUnitMain.cs
new file mode 100644
index 0000000000000000000000000000000000000000..9c1d7bf3c8ae016b080d6983a96920b85759e977
--- /dev/null
+++ b/src/csharp/Grpc.Core.Tests/NUnitMain.cs
@@ -0,0 +1,59 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Reflection;
+using Grpc.Core;
+using Grpc.Core.Logging;
+using NUnit.Common;
+using NUnitLite;
+
+namespace Grpc.Core.Tests
+{
+    /// <summary>
+    /// Provides entry point for NUnitLite
+    /// </summary>
+    public class NUnitMain
+    {
+        public static int Main(string[] args)
+        {
+            // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
+            GrpcEnvironment.SetLogger(new TextWriterLogger(Console.Error));
+#if DOTNET5_4
+            return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
+#else
+            return new AutoRun().Execute(args);
+#endif
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core.Tests/PInvokeTest.cs b/src/csharp/Grpc.Core.Tests/PInvokeTest.cs
index da0ea2e6dc954153586ba840cb40be86fc6e5cc4..d2b2fc6a6613e52d245170d658f67dc24fda8cf4 100644
--- a/src/csharp/Grpc.Core.Tests/PInvokeTest.cs
+++ b/src/csharp/Grpc.Core.Tests/PInvokeTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -74,6 +74,8 @@ namespace Grpc.Core.Tests
         /// (~110ns .NET Windows)
         /// </summary>
         [Test]
+        [Category("Performance")]
+        [Ignore("Prevent running on Jenkins")]
         public void NativeCallbackBenchmark()
         {
             OpCompletionDelegate handler = Handler;
@@ -95,6 +97,8 @@ namespace Grpc.Core.Tests
         /// (~1.1us on .NET Windows)
         /// </summary>
         [Test]
+        [Category("Performance")]
+        [Ignore("Prevent running on Jenkins")]
         public void NewNativeCallbackBenchmark()
         {
             counter = 0;
@@ -112,6 +116,8 @@ namespace Grpc.Core.Tests
         /// (~46ns .NET Windows)
         /// </summary>
         [Test]
+        [Category("Performance")]
+        [Ignore("Prevent running on Jenkins")]
         public void NopPInvokeBenchmark()
         {
             BenchmarkUtil.RunBenchmark(
diff --git a/src/csharp/Grpc.Core.Tests/ResponseHeadersTest.cs b/src/csharp/Grpc.Core.Tests/ResponseHeadersTest.cs
index a1648f367122900f36b4f7e54919d72cbff103db..772beadd4a3813ca4e7997e3b131d3ab5da59c53 100644
--- a/src/csharp/Grpc.Core.Tests/ResponseHeadersTest.cs
+++ b/src/csharp/Grpc.Core.Tests/ResponseHeadersTest.cs
@@ -155,7 +155,7 @@ namespace Grpc.Core.Tests
         {
             helper.UnaryHandler = new UnaryServerMethod<string, string>(async (request, context) =>
             {
-                Assert.Throws(typeof(ArgumentNullException), async () => await context.WriteResponseHeadersAsync(null));
+                Assert.ThrowsAsync(typeof(ArgumentNullException), async () => await context.WriteResponseHeadersAsync(null));
                 return "PASS";
             });
 
diff --git a/src/csharp/Grpc.Core.Tests/SanityTest.cs b/src/csharp/Grpc.Core.Tests/SanityTest.cs
index 343ab1e85a16617ca58c9fd2391aa36c27d1aad7..3830f0cbacf4f34280c485906735f81f18efb0d5 100644
--- a/src/csharp/Grpc.Core.Tests/SanityTest.cs
+++ b/src/csharp/Grpc.Core.Tests/SanityTest.cs
@@ -38,6 +38,7 @@ using System.Reflection;
 using Grpc.Core;
 using Grpc.Core.Internal;
 using Grpc.Core.Utils;
+using Newtonsoft.Json;
 using NUnit.Framework;
 
 namespace Grpc.Core.Tests
@@ -55,27 +56,23 @@ namespace Grpc.Core.Tests
         [Test]
         public void TestsJsonUpToDate()
         {
-            var testClasses = DiscoverAllTestClasses();
-            string testsJson = GetTestsJson();
+            var discoveredTests = DiscoverAllTestClasses();
+            string discoveredTestsJson = JsonConvert.SerializeObject(discoveredTests, Formatting.Indented);
 
-            // we don't have a JSON parser at hand, but check that the test class
-            // name is contained in the file instead.
-            foreach (var className in testClasses) {
-                Assert.IsTrue(testsJson.Contains(className),
-                    string.Format("Test class \"{0}\" is missing in C# tests.json file", className));
-            }
+            Assert.AreEqual(discoveredTestsJson, ReadTestsJson());
         }
 
         /// <summary>
         /// Gets list of all test classes obtained by inspecting all the test assemblies.
         /// </summary>
-        private List<string> DiscoverAllTestClasses()
+        private Dictionary<string, List<string>> DiscoverAllTestClasses()
         {
             var assemblies = GetTestAssemblies();
 
-            var testClasses = new List<string>();
+            var testsByAssembly = new Dictionary<string, List<string>>();
             foreach (var assembly in assemblies)
             {
+                var testClasses = new List<string>();
                 foreach (var t in assembly.GetTypes())
                 {
                     foreach (var m in t.GetMethods())
@@ -89,16 +86,19 @@ namespace Grpc.Core.Tests
 
                     }
                 }
+                testClasses.Sort();
+                testsByAssembly.Add(assembly.GetName().Name, testClasses);
             }
-            testClasses.Sort();
-            return testClasses;
+            return testsByAssembly;
         }
 
-        private string GetTestsJson()
+        /// <summary>
+        /// Reads contents of tests.json file.
+        /// </summary>
+        private string ReadTestsJson()
         {
             var assemblyDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
             var testsJsonFile = Path.Combine(assemblyDir, "..", "..", "..", "tests.json");
-
             return File.ReadAllText(testsJsonFile);
         }
 
diff --git a/src/csharp/Grpc.Core.Tests/packages.config b/src/csharp/Grpc.Core.Tests/packages.config
index 610831dfe1efd19fb52ba05c2baecf99b4fb8468..aa7d951fdc7b46c2380456163d8b3f3856d0da57 100644
--- a/src/csharp/Grpc.Core.Tests/packages.config
+++ b/src/csharp/Grpc.Core.Tests/packages.config
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
-  <package id="NUnit" version="2.6.4" targetFramework="net45" />
-  <package id="NUnitTestAdapter" version="2.0.0" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
+  <package id="NUnit" version="3.2.0" targetFramework="net45" />
+  <package id="NUnitLite" version="3.2.0" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Core/AsyncAuthInterceptor.cs b/src/csharp/Grpc.Core/AsyncAuthInterceptor.cs
index 5ba06d6509741551f5c25f18cbd7be06c98e28a3..1ad229092876b57fae9376db06100ea04bd6f416 100644
--- a/src/csharp/Grpc.Core/AsyncAuthInterceptor.cs
+++ b/src/csharp/Grpc.Core/AsyncAuthInterceptor.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/CallCredentials.cs b/src/csharp/Grpc.Core/CallCredentials.cs
index 7cd41d04806a67e99037c6355c94fec42debf299..7476b0ca165b0d3e2b3e5dccd9ed55d18ce3f6f9 100644
--- a/src/csharp/Grpc.Core/CallCredentials.cs
+++ b/src/csharp/Grpc.Core/CallCredentials.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/CallInvocationDetails.cs b/src/csharp/Grpc.Core/CallInvocationDetails.cs
index 52bfbe6edbe1f765f111f7a41d5003df2fe28ea0..98db8546144bf95c03cc3a134eef653f0241c593 100644
--- a/src/csharp/Grpc.Core/CallInvocationDetails.cs
+++ b/src/csharp/Grpc.Core/CallInvocationDetails.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/CallInvoker.cs b/src/csharp/Grpc.Core/CallInvoker.cs
new file mode 100644
index 0000000000000000000000000000000000000000..39199b1fd5880c2a51d66abc268a6fcfefa02778
--- /dev/null
+++ b/src/csharp/Grpc.Core/CallInvoker.cs
@@ -0,0 +1,84 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System.Threading.Tasks;
+using Grpc.Core.Internal;
+
+namespace Grpc.Core
+{
+    /// <summary>
+    /// Abstraction of client-side RPC invocation.
+    /// </summary>
+    /// <seealso cref="Calls"/>
+    public abstract class CallInvoker
+    {
+        /// <summary>
+        /// Invokes a simple remote call in a blocking fashion.
+        /// </summary>
+        public abstract TResponse BlockingUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+            where TRequest : class
+            where TResponse : class;
+
+        /// <summary>
+        /// Invokes a simple remote call asynchronously.
+        /// </summary>
+        public abstract AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+            where TRequest : class
+            where TResponse : class;
+
+        /// <summary>
+        /// Invokes a server streaming call asynchronously.
+        /// In server streaming scenario, client sends on request and server responds with a stream of responses.
+        /// </summary>
+        public abstract AsyncServerStreamingCall<TResponse> AsyncServerStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+            where TRequest : class
+            where TResponse : class;
+
+        /// <summary>
+        /// Invokes a client streaming call asynchronously.
+        /// In client streaming scenario, client sends a stream of requests and server responds with a single response.
+        /// </summary>
+        public abstract AsyncClientStreamingCall<TRequest, TResponse> AsyncClientStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+            where TRequest : class
+            where TResponse : class;
+
+        /// <summary>
+        /// Invokes a duplex streaming call asynchronously.
+        /// In duplex streaming scenario, client sends a stream of requests and server responds with a stream of responses.
+        /// The response stream is completely independent and both side can be sending messages at the same time.
+        /// </summary>
+        public abstract AsyncDuplexStreamingCall<TRequest, TResponse> AsyncDuplexStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+            where TRequest : class
+            where TResponse : class;
+    }
+}
diff --git a/src/csharp/Grpc.Core/CallOptions.cs b/src/csharp/Grpc.Core/CallOptions.cs
index 7bd95d4ba80e22ba9eab466ee6f0fb4bc4701aba..9ca88849ee5ff3fa5db7cf1dc02b717eeee28f15 100644
--- a/src/csharp/Grpc.Core/CallOptions.cs
+++ b/src/csharp/Grpc.Core/CallOptions.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -100,10 +100,7 @@ namespace Grpc.Core
         /// </summary>
         public WriteOptions WriteOptions
         {
-            get
-            {
-                return this.writeOptions;
-            }
+            get { return this.writeOptions; }
         }
 
         /// <summary>
@@ -111,10 +108,7 @@ namespace Grpc.Core
         /// </summary>
         public ContextPropagationToken PropagationToken
         {
-            get
-            {
-                return this.propagationToken;
-            }
+            get { return this.propagationToken; }
         }
 
         /// <summary>
@@ -122,10 +116,7 @@ namespace Grpc.Core
         /// </summary>
         public CallCredentials Credentials
         {
-            get
-            {
-                return this.credentials;
-            }
+            get { return this.credentials; }
         }
 
         /// <summary>
@@ -164,6 +155,42 @@ namespace Grpc.Core
             return newOptions;
         }
 
+        /// <summary>
+        /// Returns new instance of <see cref="CallOptions"/> with
+        /// <c>WriteOptions</c> set to the value provided. Values of all other fields are preserved.
+        /// </summary>
+        /// <param name="writeOptions">The write options.</param>
+        public CallOptions WithWriteOptions(WriteOptions writeOptions)
+        {
+            var newOptions = this;
+            newOptions.writeOptions = writeOptions;
+            return newOptions;
+        }
+
+        /// <summary>
+        /// Returns new instance of <see cref="CallOptions"/> with
+        /// <c>PropagationToken</c> set to the value provided. Values of all other fields are preserved.
+        /// </summary>
+        /// <param name="propagationToken">The context propagation token.</param>
+        public CallOptions WithPropagationToken(ContextPropagationToken propagationToken)
+        {
+            var newOptions = this;
+            newOptions.propagationToken = propagationToken;
+            return newOptions;
+        }
+
+        /// <summary>
+        /// Returns new instance of <see cref="CallOptions"/> with
+        /// <c>Credentials</c> set to the value provided. Values of all other fields are preserved.
+        /// </summary>
+        /// <param name="credentials">The call credentials.</param>
+        public CallOptions WithCredentials(CallCredentials credentials)
+        {
+            var newOptions = this;
+            newOptions.credentials = credentials;
+            return newOptions;
+        }
+
         /// <summary>
         /// Returns a new instance of <see cref="CallOptions"/> with 
         /// all previously unset values set to their defaults and deadline and cancellation
diff --git a/src/csharp/Grpc.Core/Channel.cs b/src/csharp/Grpc.Core/Channel.cs
index d7a482d86ffdc6edcd43e0a9d13c83eefa1fcd39..89981b1849bf56baff66639913f7ebff694148a2 100644
--- a/src/csharp/Grpc.Core/Channel.cs
+++ b/src/csharp/Grpc.Core/Channel.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/ChannelCredentials.cs b/src/csharp/Grpc.Core/ChannelCredentials.cs
index 03cda284008a93d163cfa396e5664052be26356c..db0cefef8b7dbb4e3d3560e47ad4503d8cc849d9 100644
--- a/src/csharp/Grpc.Core/ChannelCredentials.cs
+++ b/src/csharp/Grpc.Core/ChannelCredentials.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/ChannelOptions.cs b/src/csharp/Grpc.Core/ChannelOptions.cs
index 65e15e21e9974aef8d485839f187e3b9828c2c12..b6eeceabc4c2131091dd7826cd0552bc94a3baeb 100644
--- a/src/csharp/Grpc.Core/ChannelOptions.cs
+++ b/src/csharp/Grpc.Core/ChannelOptions.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/ClientBase.cs b/src/csharp/Grpc.Core/ClientBase.cs
index e5b398062b2c489891d38cc71ffee03eb274e059..5517233e3ccf56feebc124c661748e19ffab4fe1 100644
--- a/src/csharp/Grpc.Core/ClientBase.cs
+++ b/src/csharp/Grpc.Core/ClientBase.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -31,93 +31,156 @@
 
 #endregion
 
-using System;
-using System.Text.RegularExpressions;
-using System.Threading.Tasks;
+using Grpc.Core.Internal;
+using Grpc.Core.Utils;
 
 namespace Grpc.Core
 {
     /// <summary>
-    /// Interceptor for call headers.
+    /// Generic base class for client-side stubs.
     /// </summary>
-    /// <remarks>Header interceptor is no longer to recommented way to perform authentication.
-    /// For header (initial metadata) based auth such as OAuth2 or JWT access token, use <see cref="MetadataCredentials"/>.
-    /// </remarks>
-    public delegate void HeaderInterceptor(IMethod method, Metadata metadata);
+    public abstract class ClientBase<T> : ClientBase
+        where T : ClientBase<T>
+    {
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class that
+        /// throws <c>NotImplementedException</c> upon invocation of any RPC.
+        /// This constructor is only provided to allow creation of test doubles
+        /// for client classes (e.g. mocking requires a parameterless constructor).
+        /// </summary>
+        protected ClientBase() : base()
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class.
+        /// </summary>
+        /// <param name="configuration">The configuration.</param>
+        protected ClientBase(ClientBaseConfiguration configuration) : base(configuration)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class.
+        /// </summary>
+        /// <param name="channel">The channel to use for remote call invocation.</param>
+        public ClientBase(Channel channel) : base(channel)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class.
+        /// </summary>
+        /// <param name="callInvoker">The <c>CallInvoker</c> for remote call invocation.</param>
+        public ClientBase(CallInvoker callInvoker) : base(callInvoker)
+        {
+        }
+
+        /// <summary>
+        /// Creates a new client that sets host field for calls explicitly.
+        /// gRPC supports multiple "hosts" being served by a single server.
+        /// By default (if a client was not created by calling this method),
+        /// host <c>null</c> with the meaning "use default host" is used.
+        /// </summary>
+        public T WithHost(string host)
+        {
+            var newConfiguration = this.Configuration.WithHost(host);
+            return NewInstance(newConfiguration);
+        }
+
+        /// <summary>
+        /// Creates a new instance of client from given <c>ClientBaseConfiguration</c>.
+        /// </summary>
+        protected abstract T NewInstance(ClientBaseConfiguration configuration);
+    }
 
     /// <summary>
     /// Base class for client-side stubs.
     /// </summary>
     public abstract class ClientBase
     {
-        readonly Channel channel;
+        readonly ClientBaseConfiguration configuration;
+        readonly CallInvoker callInvoker;
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class that
+        /// throws <c>NotImplementedException</c> upon invocation of any RPC.
+        /// This constructor is only provided to allow creation of test doubles
+        /// for client classes (e.g. mocking requires a parameterless constructor).
+        /// </summary>
+        protected ClientBase() : this(new UnimplementedCallInvoker())
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class.
+        /// </summary>
+        /// <param name="configuration">The configuration.</param>
+        protected ClientBase(ClientBaseConfiguration configuration)
+        {
+            this.configuration = GrpcPreconditions.CheckNotNull(configuration, "configuration");
+            this.callInvoker = configuration.CreateDecoratedCallInvoker();
+        }
 
         /// <summary>
         /// Initializes a new instance of <c>ClientBase</c> class.
         /// </summary>
         /// <param name="channel">The channel to use for remote call invocation.</param>
-        public ClientBase(Channel channel)
+        public ClientBase(Channel channel) : this(new DefaultCallInvoker(channel))
         {
-            this.channel = channel;
         }
 
         /// <summary>
-        /// Can be used to register a custom header interceptor.
-        /// The interceptor is invoked each time a new call on this client is started.
-        /// It is not recommented to use header interceptor to add auth headers to RPC calls.
+        /// Initializes a new instance of <c>ClientBase</c> class.
         /// </summary>
-        /// <seealso cref="HeaderInterceptor"/>
-        public HeaderInterceptor HeaderInterceptor
+        /// <param name="callInvoker">The <c>CallInvoker</c> for remote call invocation.</param>
+        public ClientBase(CallInvoker callInvoker) : this(new ClientBaseConfiguration(callInvoker, null))
         {
-            get;
-            set;
         }
 
         /// <summary>
-        /// gRPC supports multiple "hosts" being served by a single server. 
-        /// This property can be used to set the target host explicitly.
-        /// By default, this will be set to <c>null</c> with the meaning
-        /// "use default host".
+        /// Gets the call invoker.
         /// </summary>
-        public string Host
+        protected CallInvoker CallInvoker
         {
-            get;
-            set;
+            get { return this.callInvoker; }
         }
 
         /// <summary>
-        /// Channel associated with this client.
+        /// Gets the configuration.
         /// </summary>
-        public Channel Channel
+        internal ClientBaseConfiguration Configuration
         {
-            get
-            {
-                return this.channel;
-            }
+            get { return this.configuration; }
         }
 
         /// <summary>
-        /// Creates a new call to given method.
+        /// Represents configuration of ClientBase. The class itself is visible to
+        /// subclasses, but contents are marked as internal to make the instances opaque.
+        /// The verbose name of this class was chosen to make name clash in generated code 
+        /// less likely.
         /// </summary>
-        /// <param name="method">The method to invoke.</param>
-        /// <param name="options">The call options.</param>
-        /// <typeparam name="TRequest">Request message type.</typeparam>
-        /// <typeparam name="TResponse">Response message type.</typeparam>
-        /// <returns>The call invocation details.</returns>
-        protected CallInvocationDetails<TRequest, TResponse> CreateCall<TRequest, TResponse>(Method<TRequest, TResponse> method, CallOptions options)
-            where TRequest : class
-            where TResponse : class
+        protected internal class ClientBaseConfiguration
         {
-            var interceptor = HeaderInterceptor;
-            if (interceptor != null)
+            readonly CallInvoker undecoratedCallInvoker;
+            readonly string host;
+
+            internal ClientBaseConfiguration(CallInvoker undecoratedCallInvoker, string host)
+            {
+                this.undecoratedCallInvoker = GrpcPreconditions.CheckNotNull(undecoratedCallInvoker);
+                this.host = host;
+            }
+
+            internal CallInvoker CreateDecoratedCallInvoker()
+            {
+                return new InterceptingCallInvoker(undecoratedCallInvoker, hostInterceptor: (h) => host);
+            }
+
+            internal ClientBaseConfiguration WithHost(string host)
             {
-                if (options.Headers == null)
-                {
-                    options = options.WithHeaders(new Metadata());
-                }
-                interceptor(method, options.Headers);
+                GrpcPreconditions.CheckNotNull(host, "host");
+                return new ClientBaseConfiguration(this.undecoratedCallInvoker, host);
             }
-            return new CallInvocationDetails<TRequest, TResponse>(channel, method, Host, options);
         }
     }
 }
diff --git a/src/csharp/Grpc.Core/ContextPropagationToken.cs b/src/csharp/Grpc.Core/ContextPropagationToken.cs
index c0f638f837d18f67946769f59af829e5da698ab0..935498246a1493f608e88d6f10e3f3a7b70cf749 100644
--- a/src/csharp/Grpc.Core/ContextPropagationToken.cs
+++ b/src/csharp/Grpc.Core/ContextPropagationToken.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/DefaultCallInvoker.cs b/src/csharp/Grpc.Core/DefaultCallInvoker.cs
new file mode 100644
index 0000000000000000000000000000000000000000..1a99e41153b3bd5c0419bbe141c97006aaa8676e
--- /dev/null
+++ b/src/csharp/Grpc.Core/DefaultCallInvoker.cs
@@ -0,0 +1,112 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System.Threading.Tasks;
+using Grpc.Core.Internal;
+using Grpc.Core.Utils;
+
+namespace Grpc.Core
+{
+    /// <summary>
+    /// Invokes client RPCs using <see cref="Calls"/>.
+    /// </summary>
+    public class DefaultCallInvoker : CallInvoker
+    {
+        readonly Channel channel;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Grpc.Core.DefaultCallInvoker"/> class.
+        /// </summary>
+        /// <param name="channel">Channel to use.</param>
+        public DefaultCallInvoker(Channel channel)
+        {
+            this.channel = GrpcPreconditions.CheckNotNull(channel);
+        }
+
+        /// <summary>
+        /// Invokes a simple remote call in a blocking fashion.
+        /// </summary>
+        public override TResponse BlockingUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.BlockingUnaryCall(call, request);
+        }
+
+        /// <summary>
+        /// Invokes a simple remote call asynchronously.
+        /// </summary>
+        public override AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.AsyncUnaryCall(call, request);
+        }
+
+        /// <summary>
+        /// Invokes a server streaming call asynchronously.
+        /// In server streaming scenario, client sends on request and server responds with a stream of responses.
+        /// </summary>
+        public override AsyncServerStreamingCall<TResponse> AsyncServerStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.AsyncServerStreamingCall(call, request);
+        }
+
+        /// <summary>
+        /// Invokes a client streaming call asynchronously.
+        /// In client streaming scenario, client sends a stream of requests and server responds with a single response.
+        /// </summary>
+        public override AsyncClientStreamingCall<TRequest, TResponse> AsyncClientStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.AsyncClientStreamingCall(call);
+        }
+
+        /// <summary>
+        /// Invokes a duplex streaming call asynchronously.
+        /// In duplex streaming scenario, client sends a stream of requests and server responds with a stream of responses.
+        /// The response stream is completely independent and both side can be sending messages at the same time.
+        /// </summary>
+        public override AsyncDuplexStreamingCall<TRequest, TResponse> AsyncDuplexStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.AsyncDuplexStreamingCall(call);
+        }
+
+        protected virtual CallInvocationDetails<TRequest, TResponse> CreateCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+                where TRequest : class
+                where TResponse : class
+        {
+            return new CallInvocationDetails<TRequest, TResponse>(channel, method, host, options);
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core/Grpc.Core.csproj b/src/csharp/Grpc.Core/Grpc.Core.csproj
index 3189835ccd913e7a533eab5dbecbe7aa65ce8136..95077a6ca5a2c2f87a93eceae8506017bd430841 100644
--- a/src/csharp/Grpc.Core/Grpc.Core.csproj
+++ b/src/csharp/Grpc.Core/Grpc.Core.csproj
@@ -58,6 +58,7 @@
     <Compile Include="IServerStreamWriter.cs" />
     <Compile Include="IAsyncStreamWriter.cs" />
     <Compile Include="IAsyncStreamReader.cs" />
+    <Compile Include="Logging\TextWriterLogger.cs" />
     <Compile Include="Logging\NullLogger.cs" />
     <Compile Include="ServerPort.cs" />
     <Compile Include="Version.cs" />
@@ -129,6 +130,10 @@
     <Compile Include="Profiling\Profilers.cs" />
     <Compile Include="Internal\DefaultSslRootsOverride.cs" />
     <Compile Include="Utils\GrpcPreconditions.cs" />
+    <Compile Include="CallInvoker.cs" />
+    <Compile Include="DefaultCallInvoker.cs" />
+    <Compile Include="Internal\UnimplementedCallInvoker.cs" />
+    <Compile Include="Internal\InterceptingCallInvoker.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="Grpc.Core.nuspec" />
@@ -136,9 +141,7 @@
   </ItemGroup>
   <Import Project="NativeDeps.targets" />
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
-  <ItemGroup>
-    <Folder Include="Resources\" />
-  </ItemGroup>
+  <ItemGroup />
   <ItemGroup>
     <EmbeddedResource Include="..\..\..\etc\roots.pem">
       <Link>Resources\roots.pem</Link>
diff --git a/src/csharp/Grpc.Core/Grpc.Core.nuspec b/src/csharp/Grpc.Core/Grpc.Core.nuspec
index 49bccb050ef1595a35a6c3d9dd585e4729752b7e..0ada0049c2abe9d62ec841909e4a538541d1248e 100644
--- a/src/csharp/Grpc.Core/Grpc.Core.nuspec
+++ b/src/csharp/Grpc.Core/Grpc.Core.nuspec
@@ -16,7 +16,6 @@
     <tags>gRPC RPC Protocol HTTP/2</tags>
     <dependencies>
       <dependency id="Ix-Async" version="1.2.5" />
-      <dependency id="grpc.native.csharp" version="$version$" />
     </dependencies>
   </metadata>
   <files>
@@ -24,5 +23,12 @@
     <file src="bin/ReleaseSigned/Grpc.Core.pdb" target="lib/net45" />
     <file src="bin/ReleaseSigned/Grpc.Core.xml" target="lib/net45" />
     <file src="**\*.cs" target="src" />
+    <file src="Grpc.Core.targets" target="\build\net45\Grpc.Core.targets" />
+    <file src="windows_x86/grpc_csharp_ext.dll" target="/build/native/bin/windows_x86/grpc_csharp_ext.dll" />
+    <file src="windows_x64/grpc_csharp_ext.dll" target="/build/native/bin/windows_x64/grpc_csharp_ext.dll" />
+    <file src="linux_x86/libgrpc_csharp_ext.so" target="/build/native/bin/linux_x86/libgrpc_csharp_ext.so" />
+    <file src="linux_x64/libgrpc_csharp_ext.so" target="/build/native/bin/linux_x64/libgrpc_csharp_ext.so" />
+    <file src="macosx_x86/libgrpc_csharp_ext.dylib" target="/build/native/bin/macosx_x86/libgrpc_csharp_ext.dylib" />
+    <file src="macosx_x64/libgrpc_csharp_ext.dylib" target="/build/native/bin/macosx_x64/libgrpc_csharp_ext.dylib" />
   </files>
 </package>
diff --git a/src/csharp/grpc.native.csharp/grpc.native.csharp.targets b/src/csharp/Grpc.Core/Grpc.Core.targets
similarity index 100%
rename from src/csharp/grpc.native.csharp/grpc.native.csharp.targets
rename to src/csharp/Grpc.Core/Grpc.Core.targets
diff --git a/src/csharp/Grpc.Core/GrpcEnvironment.cs b/src/csharp/Grpc.Core/GrpcEnvironment.cs
index 86b37b8660196b5b6a7f6746e0ed661efdfd4069..a5c78cc9d7e692ff9fb76342dbfd79720e5bf374 100644
--- a/src/csharp/Grpc.Core/GrpcEnvironment.cs
+++ b/src/csharp/Grpc.Core/GrpcEnvironment.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/AsyncCall.cs b/src/csharp/Grpc.Core/Internal/AsyncCall.cs
index 2caba260b3a243d43bf9fe72ff627ed5a474acd7..016e1b8587809db4f11a14a49d811748f8bd8e68 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCall.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCall.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
@@ -258,9 +258,19 @@ namespace Grpc.Core.Internal
             lock (myLock)
             {
                 GrpcPreconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
-                CheckSendingAllowed();
+                CheckSendingAllowed(allowFinished: true);
 
-                call.StartSendCloseFromClient(HandleHalfclosed);
+                if (!disposed && !finished)
+                {
+                    call.StartSendCloseFromClient(HandleSendCloseFromClientFinished);
+                }
+                else
+                {
+                    // In case the call has already been finished by the serverside,
+                    // the halfclose has already been done implicitly, so we only
+                    // emit the notification for the completion delegate.
+                    Task.Run(() => HandleSendCloseFromClientFinished(true));
+                }
 
                 halfcloseRequested = true;
                 sendCompletionDelegate = completionDelegate;
diff --git a/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs b/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs
index 45d4c3e078c4102996dbaae693a7c10c20457efd..ccd047f469531f72a135b6268a0f2cf6ed11ced5 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
@@ -136,7 +136,7 @@ namespace Grpc.Core.Internal
             lock (myLock)
             {
                 GrpcPreconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
-                CheckSendingAllowed();
+                CheckSendingAllowed(allowFinished: false);
 
                 call.StartSendMessage(HandleSendFinished, payload, writeFlags, !initialMetadataSent);
 
@@ -202,14 +202,14 @@ namespace Grpc.Core.Internal
         {
         }
 
-        protected void CheckSendingAllowed()
+        protected void CheckSendingAllowed(bool allowFinished)
         {
             GrpcPreconditions.CheckState(started);
             CheckNotCancelled();
-            GrpcPreconditions.CheckState(!disposed);
+            GrpcPreconditions.CheckState(!disposed || allowFinished);
 
             GrpcPreconditions.CheckState(!halfcloseRequested, "Already halfclosed.");
-            GrpcPreconditions.CheckState(!finished, "Already finished.");
+            GrpcPreconditions.CheckState(!finished || allowFinished, "Already finished.");
             GrpcPreconditions.CheckState(sendCompletionDelegate == null, "Only one write can be pending at a time");
         }
 
@@ -294,9 +294,33 @@ namespace Grpc.Core.Internal
         }
 
         /// <summary>
-        /// Handles halfclose completion.
+        /// Handles halfclose (send close from client) completion.
+        /// </summary>
+        protected void HandleSendCloseFromClientFinished(bool success)
+        {
+            AsyncCompletionDelegate<object> origCompletionDelegate = null;
+            lock (myLock)
+            {
+                origCompletionDelegate = sendCompletionDelegate;
+                sendCompletionDelegate = null;
+
+                ReleaseResourcesIfPossible();
+            }
+
+            if (!success)
+            {
+                FireCompletion(origCompletionDelegate, null, new InvalidOperationException("Sending close from client has failed."));
+            }
+            else
+            {
+                FireCompletion(origCompletionDelegate, null, null);
+            }
+        }
+
+        /// <summary>
+        /// Handles send status from server completion.
         /// </summary>
-        protected void HandleHalfclosed(bool success)
+        protected void HandleSendStatusFromServerFinished(bool success)
         {
             AsyncCompletionDelegate<object> origCompletionDelegate = null;
             lock (myLock)
@@ -309,7 +333,7 @@ namespace Grpc.Core.Internal
 
             if (!success)
             {
-                FireCompletion(origCompletionDelegate, null, new InvalidOperationException("Halfclose failed"));
+                FireCompletion(origCompletionDelegate, null, new InvalidOperationException("Error sending status from server."));
             }
             else
             {
diff --git a/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs b/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs
index 9380c0d0ea9f51f7fff01e4533f159152cd1564b..bea2b3660c3293469f7e789544ed7266305161be 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
@@ -113,7 +113,7 @@ namespace Grpc.Core.Internal
 
                 GrpcPreconditions.CheckState(!initialMetadataSent, "Response headers can only be sent once per call.");
                 GrpcPreconditions.CheckState(streamingWritesCounter == 0, "Response headers can only be sent before the first write starts.");
-                CheckSendingAllowed();
+                CheckSendingAllowed(allowFinished: false);
 
                 GrpcPreconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
 
@@ -137,11 +137,11 @@ namespace Grpc.Core.Internal
             lock (myLock)
             {
                 GrpcPreconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
-                CheckSendingAllowed();
+                CheckSendingAllowed(allowFinished: false);
 
                 using (var metadataArray = MetadataArraySafeHandle.Create(trailers))
                 {
-                    call.StartSendStatusFromServer(HandleHalfclosed, status, metadataArray, !initialMetadataSent);
+                    call.StartSendStatusFromServer(HandleSendStatusFromServerFinished, status, metadataArray, !initialMetadataSent);
                 }
                 halfcloseRequested = true;
                 readingDone = true;
diff --git a/src/csharp/Grpc.Core/Internal/AsyncCompletion.cs b/src/csharp/Grpc.Core/Internal/AsyncCompletion.cs
index d5bbf676ff74027367a4344ee56efb81664eebf1..7e86fddb4d89ef583b49babf78da6f994ae180c0 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCompletion.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCompletion.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.cs b/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.cs
index 0e2108f0f2e4564c92c9ce46443b8040a943bd74..66d2a66f99f1af8d9f3ddee2fc0c686f8869504f 100644
--- a/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/CStringSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CStringSafeHandle.cs
index 4ae57aa773aba8d6623163c48cc549f171316c01..0221798d2af13d41b5401a2d07740c2e9ae5e24b 100644
--- a/src/csharp/Grpc.Core/Internal/CStringSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/CStringSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/CallCredentialsSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CallCredentialsSafeHandle.cs
index 0f36337f1132992ae365615ca48799513da9e323..3095a34008062b55449b1dad0aa5aab7c09b0ee2 100644
--- a/src/csharp/Grpc.Core/Internal/CallCredentialsSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/CallCredentialsSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs
index bc045b67b10b7ce70b143e3adef038665a6e81fd..500653ba5d3def399e0f48c27bfbec0c8fb5ef58 100644
--- a/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/ChannelArgsSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ChannelArgsSafeHandle.cs
index f6aa710b21433dca77b619ecf838dd8bf60bc3d8..003802424597695bdfab32a25f343e1345282e21 100644
--- a/src/csharp/Grpc.Core/Internal/ChannelArgsSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ChannelArgsSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/ChannelCredentialsSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ChannelCredentialsSafeHandle.cs
index 65cc2e019fdf8a462b20a5f370f1bed99623c22e..c85f55241a19bf3be15928570778b6316b17dca6 100644
--- a/src/csharp/Grpc.Core/Internal/ChannelCredentialsSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ChannelCredentialsSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs
index 2199905cc609dca5b76691530900be07329249b9..1dbd1f4e34cb7bac20513017ce4ef3de8d71dda0 100644
--- a/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs b/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs
index 36a92ecd8e8197b0855c36943d3942a425076771..288680792a6eef66aed0477403137cf672f85975 100644
--- a/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs
+++ b/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs
index 5c75b52e2359fce92d4845bd8a53fd14a31f3b7c..91364cdc70a0b249d476f45eb4ac0d6226e541a0 100644
--- a/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs b/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs
index 3a293e162621a9be95941a27d37b2033f1cababe..628844f242218d9228bbb5536356fbab70e05f40 100644
--- a/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs
+++ b/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/DefaultSslRootsOverride.cs b/src/csharp/Grpc.Core/Internal/DefaultSslRootsOverride.cs
index dfaee5d9d7cd207d52a28e2c4f2795bf82459402..aa4dafd7f2aa03ba72bc0540ad3756043eda26a3 100644
--- a/src/csharp/Grpc.Core/Internal/DefaultSslRootsOverride.cs
+++ b/src/csharp/Grpc.Core/Internal/DefaultSslRootsOverride.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/Enums.cs b/src/csharp/Grpc.Core/Internal/Enums.cs
index 098e7c0e99e570e9e2edd121a7ae20283b054a41..74f86d2a3044a29178a58bf8376b533d8c82b7b1 100644
--- a/src/csharp/Grpc.Core/Internal/Enums.cs
+++ b/src/csharp/Grpc.Core/Internal/Enums.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/InterceptingCallInvoker.cs b/src/csharp/Grpc.Core/Internal/InterceptingCallInvoker.cs
new file mode 100644
index 0000000000000000000000000000000000000000..ef48dc712121c048e392a418c3f6955c738cd569
--- /dev/null
+++ b/src/csharp/Grpc.Core/Internal/InterceptingCallInvoker.cs
@@ -0,0 +1,134 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Utils;
+
+namespace Grpc.Core.Internal
+{
+    /// <summary>
+    /// Decorates an underlying <c>CallInvoker</c> to intercept call invocations.
+    /// </summary>
+    internal class InterceptingCallInvoker : CallInvoker
+    {
+        readonly CallInvoker callInvoker;
+        readonly Func<string, string> hostInterceptor;
+        readonly Func<CallOptions, CallOptions> callOptionsInterceptor;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Grpc.Core.InterceptingCallInvoker"/> class.
+        /// </summary>
+        public InterceptingCallInvoker(CallInvoker callInvoker,
+            Func<string, string> hostInterceptor = null,
+            Func<CallOptions, CallOptions> callOptionsInterceptor = null)
+        {
+            this.callInvoker = GrpcPreconditions.CheckNotNull(callInvoker);
+            this.hostInterceptor = hostInterceptor;
+            this.callOptionsInterceptor = callOptionsInterceptor;
+        }
+
+        /// <summary>
+        /// Intercepts a unary call.
+        /// </summary>
+        public override TResponse BlockingUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.BlockingUnaryCall(method, host, options, request);
+        }
+
+        /// <summary>
+        /// Invokes a simple remote call asynchronously.
+        /// </summary>
+        public override AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.AsyncUnaryCall(method, host, options, request);
+        }
+
+        /// <summary>
+        /// Invokes a server streaming call asynchronously.
+        /// In server streaming scenario, client sends on request and server responds with a stream of responses.
+        /// </summary>
+        public override AsyncServerStreamingCall<TResponse> AsyncServerStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.AsyncServerStreamingCall(method, host, options, request);
+        }
+
+        /// <summary>
+        /// Invokes a client streaming call asynchronously.
+        /// In client streaming scenario, client sends a stream of requests and server responds with a single response.
+        /// </summary>
+        public override AsyncClientStreamingCall<TRequest, TResponse> AsyncClientStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.AsyncClientStreamingCall(method, host, options);
+        }
+
+        /// <summary>
+        /// Invokes a duplex streaming call asynchronously.
+        /// In duplex streaming scenario, client sends a stream of requests and server responds with a stream of responses.
+        /// The response stream is completely independent and both side can be sending messages at the same time.
+        /// </summary>
+        public override AsyncDuplexStreamingCall<TRequest, TResponse> AsyncDuplexStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.AsyncDuplexStreamingCall(method, host, options);
+        }
+
+        private string InterceptHost(string host)
+        {
+            if (hostInterceptor == null)
+            {
+                return host;
+            }
+            return hostInterceptor(host);
+        }
+
+        private CallOptions InterceptCallOptions(CallOptions options)
+        {
+            if (callOptionsInterceptor == null)
+            {
+                return options;
+            }
+            return callOptionsInterceptor(options);
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core/Internal/MetadataArraySafeHandle.cs b/src/csharp/Grpc.Core/Internal/MetadataArraySafeHandle.cs
index 81760d7a109d187e7077b6432f7619f6c80aabe3..25735d5262d6335492f3881e1fb4ed18cfac0aca 100644
--- a/src/csharp/Grpc.Core/Internal/MetadataArraySafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/MetadataArraySafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/NativeExtension.cs b/src/csharp/Grpc.Core/Internal/NativeExtension.cs
index 4c742ab6c3dc3a7c7fdbdd5fdeab7fa20af23e31..b45ba19c24d798518993ec0b9eeffc6bc47dd39c 100644
--- a/src/csharp/Grpc.Core/Internal/NativeExtension.cs
+++ b/src/csharp/Grpc.Core/Internal/NativeExtension.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -45,6 +45,7 @@ namespace Grpc.Core.Internal
     internal sealed class NativeExtension
     {
         const string NativeLibrariesDir = "nativelibs";
+        const string DnxStyleNativeLibrariesDir = "../../build/native/bin/";
 
         static readonly ILogger Logger = GrpcEnvironment.Logger.ForType<NativeExtension>();
         static readonly object staticLock = new object();
@@ -99,15 +100,48 @@ namespace Grpc.Core.Internal
             // TODO: allow customizing path to native extension (possibly through exposing a GrpcEnvironment property).
 
             var libraryFlavor = string.Format("{0}_{1}", GetPlatformString(), GetArchitectureString());
-            var fullPath = Path.Combine(GetExecutingAssemblyDirectory(),
-                NativeLibrariesDir, libraryFlavor, GetNativeLibraryFilename());
-            return new UnmanagedLibrary(fullPath);
+
+            var assemblyDirectory = Path.GetDirectoryName(GetAssemblyPath());
+
+            // With old-style VS projects, the native libraries get copied using a .targets rule to the build output folder
+            // alongside the compiled assembly.
+            var classicPath = Path.Combine(assemblyDirectory, NativeLibrariesDir, libraryFlavor, GetNativeLibraryFilename());
+
+            // DNX-style project.json projects will use Grpc.Core assembly directly in the location where it got restored
+            // by nuget. We locate the native libraries based on known structure of Grpc.Core nuget package.
+            var dnxStylePath = Path.Combine(assemblyDirectory, DnxStyleNativeLibrariesDir, libraryFlavor, GetNativeLibraryFilename());
+
+            return new UnmanagedLibrary(new string[] {classicPath, dnxStylePath});
+        }
+
+        private static string GetAssemblyPath()
+        {
+            var assembly = typeof(NativeExtension).GetTypeInfo().Assembly;
+#if DOTNET5_4
+            // Assembly.EscapedCodeBase does not exit under CoreCLR, but assemblies imported from a nuget package
+            // don't seem to be shadowed by DNX-based projects at all.
+            return assembly.Location;
+#else
+            // If assembly is shadowed (e.g. in a webapp), EscapedCodeBase is pointing
+            // to the original location of the assembly, and Location is pointing
+            // to the shadow copy. We care about the original location because
+            // the native dlls don't get shadowed.
+
+            var escapedCodeBase = assembly.EscapedCodeBase;
+            if (IsFileUri(escapedCodeBase))
+            {
+                return new Uri(escapedCodeBase).LocalPath;
+            }
+            return assembly.Location;
+#endif
         }
 
-        private static string GetExecutingAssemblyDirectory()
+#if !DOTNET5_4
+        private static bool IsFileUri(string uri)
         {
-            return Path.GetDirectoryName(typeof(NativeExtension).GetTypeInfo().Assembly.Location);
+            return uri.ToLowerInvariant().StartsWith(Uri.UriSchemeFile);
         }
+#endif
 
         private static string GetPlatformString()
         {
diff --git a/src/csharp/Grpc.Core/Internal/NativeLogRedirector.cs b/src/csharp/Grpc.Core/Internal/NativeLogRedirector.cs
index 4bbbb4808caaaf212771d6f0c3b7930a3757eb2f..3fcf8673ee7049aa1fa9331182c831f311ea1c3f 100644
--- a/src/csharp/Grpc.Core/Internal/NativeLogRedirector.cs
+++ b/src/csharp/Grpc.Core/Internal/NativeLogRedirector.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs b/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs
index e810ffcdd03d565aedc853bda0757a8397cf9ff0..26af6311d529b3997dd83b6bccf9d621d63eb256 100644
--- a/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs
+++ b/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -87,7 +87,7 @@ namespace Grpc.Core.Internal
             }
         }
 
-        private async void StartGetMetadata(AuthInterceptorContext context, IntPtr callbackPtr, IntPtr userDataPtr)
+        private async Task StartGetMetadata(AuthInterceptorContext context, IntPtr callbackPtr, IntPtr userDataPtr)
         {
             try
             {
diff --git a/src/csharp/Grpc.Core/Internal/NativeMethods.cs b/src/csharp/Grpc.Core/Internal/NativeMethods.cs
index 19a573581e0827589019b801863ffb223d914421..9ee0ba3bc0578f37efeaaad4ac738d500ea8a3c7 100644
--- a/src/csharp/Grpc.Core/Internal/NativeMethods.cs
+++ b/src/csharp/Grpc.Core/Internal/NativeMethods.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/PlatformApis.cs b/src/csharp/Grpc.Core/Internal/PlatformApis.cs
index fb1acfb607b23925900c2d211746fa0bed32e365..5d8c44b589e848e402594ddcd6cc9cf93b2a3f77 100644
--- a/src/csharp/Grpc.Core/Internal/PlatformApis.cs
+++ b/src/csharp/Grpc.Core/Internal/PlatformApis.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/ServerCallHandler.cs b/src/csharp/Grpc.Core/Internal/ServerCallHandler.cs
index ccf144de2def6e31819a88331f08c25998ad1459..1f83e51548ebdd24c3dcc90446d54e78dea4110e 100644
--- a/src/csharp/Grpc.Core/Internal/ServerCallHandler.cs
+++ b/src/csharp/Grpc.Core/Internal/ServerCallHandler.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/ServerCredentialsSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ServerCredentialsSafeHandle.cs
index a50f35799028ec9b901d64166f7a810799967ddd..24f686fddc150c6fe494ce6ccc6471fc36573ce4 100644
--- a/src/csharp/Grpc.Core/Internal/ServerCredentialsSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ServerCredentialsSafeHandle.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs
index a57fb3b7890a9ae92f4d48364c986be9b4b418cf..6b5f70e220737eea2c4f26d22b88773ddc19d7b4 100644
--- a/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/Timespec.cs b/src/csharp/Grpc.Core/Internal/Timespec.cs
index 754be4e03531e85851ec51ffa61270b8c5a0d1b7..56172a5dda473b87b83e5ab13a5a53a05ae1d71b 100644
--- a/src/csharp/Grpc.Core/Internal/Timespec.cs
+++ b/src/csharp/Grpc.Core/Internal/Timespec.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Internal/UnimplementedCallInvoker.cs b/src/csharp/Grpc.Core/Internal/UnimplementedCallInvoker.cs
new file mode 100644
index 0000000000000000000000000000000000000000..0c7340873bdf956de063d707a142df642505e3f3
--- /dev/null
+++ b/src/csharp/Grpc.Core/Internal/UnimplementedCallInvoker.cs
@@ -0,0 +1,75 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Utils;
+
+namespace Grpc.Core.Internal
+{
+    /// <summary>
+    /// Call invoker that throws <c>NotImplementedException</c> for all requests.
+    /// </summary>
+    internal class UnimplementedCallInvoker : CallInvoker
+    {
+        public UnimplementedCallInvoker()
+        {
+        }
+
+        public override TResponse BlockingUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override AsyncServerStreamingCall<TResponse> AsyncServerStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override AsyncClientStreamingCall<TRequest, TResponse> AsyncClientStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override AsyncDuplexStreamingCall<TRequest, TResponse> AsyncDuplexStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core/Internal/UnmanagedLibrary.cs b/src/csharp/Grpc.Core/Internal/UnmanagedLibrary.cs
index e763c1502575a3026822fcdcb7c90b0a9fb16d14..5a807461015d1445448696a45b2a5bfc0bf1037e 100644
--- a/src/csharp/Grpc.Core/Internal/UnmanagedLibrary.cs
+++ b/src/csharp/Grpc.Core/Internal/UnmanagedLibrary.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -32,8 +32,6 @@
 #endregion
 
 using System;
-using System.Collections.Concurrent;
-using System.Diagnostics;
 using System.IO;
 using System.Reflection;
 using System.Runtime.InteropServices;
@@ -63,14 +61,9 @@ namespace Grpc.Core.Internal
         readonly string libraryPath;
         readonly IntPtr handle;
 
-        public UnmanagedLibrary(string libraryPath)
+        public UnmanagedLibrary(string[] libraryPathAlternatives)
         {
-            this.libraryPath = GrpcPreconditions.CheckNotNull(libraryPath);
-
-            if (!File.Exists(this.libraryPath))
-            {
-                throw new FileNotFoundException("Error loading native library. File does not exist.", this.libraryPath);
-            }
+            this.libraryPath = FirstValidLibraryPath(libraryPathAlternatives);
 
             Logger.Debug("Attempting to load native library \"{0}\"", this.libraryPath);
 
@@ -139,6 +132,19 @@ namespace Grpc.Core.Internal
             throw new InvalidOperationException("Unsupported platform.");
         }
 
+        private static string FirstValidLibraryPath(string[] libraryPathAlternatives)
+        {
+            GrpcPreconditions.CheckArgument(libraryPathAlternatives.Length > 0, "libraryPathAlternatives cannot be empty.");
+            foreach (var path in libraryPathAlternatives)
+            {
+                if (File.Exists(path))
+                {
+                    return path;
+                }
+            }
+            throw new FileNotFoundException(String.Format("Error loading native library. Not found in any of the possible locations {0}", libraryPathAlternatives));
+        }
+
         private static class Windows
         {
             [DllImport("kernel32.dll")]
diff --git a/src/csharp/Grpc.Core/KeyCertificatePair.cs b/src/csharp/Grpc.Core/KeyCertificatePair.cs
index 0fb6817986f8390a20ab4c363ef2e0baa8d13e69..a8f3bb073d64a4662ff0c3c2ed08d3806f0cd013 100644
--- a/src/csharp/Grpc.Core/KeyCertificatePair.cs
+++ b/src/csharp/Grpc.Core/KeyCertificatePair.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Logging/ConsoleLogger.cs b/src/csharp/Grpc.Core/Logging/ConsoleLogger.cs
index 5c5b8021641ebf46afa762c0b3d905d58f00e27d..5e8dced6414774122aa0ccbb06c4784d0df1b981 100644
--- a/src/csharp/Grpc.Core/Logging/ConsoleLogger.cs
+++ b/src/csharp/Grpc.Core/Logging/ConsoleLogger.cs
@@ -33,118 +33,33 @@
 
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 
 namespace Grpc.Core.Logging
 {
     /// <summary>Logger that logs to System.Console.</summary>
-    public class ConsoleLogger : ILogger
+    public class ConsoleLogger : TextWriterLogger
     {
-        readonly Type forType;
-        readonly string forTypeString;
-
         /// <summary>Creates a console logger not associated to any specific type.</summary>
         public ConsoleLogger() : this(null)
         {
         }
 
         /// <summary>Creates a console logger that logs messsage specific for given type.</summary>
-        private ConsoleLogger(Type forType)
+        private ConsoleLogger(Type forType) : base(() => Console.Error, forType)
         {
-            this.forType = forType;
-            if (forType != null)
-            {
-                var namespaceStr = forType.Namespace ?? "";
-                if (namespaceStr.Length > 0)
-                {
-                     namespaceStr += ".";
-                }
-                this.forTypeString = namespaceStr + forType.Name + " ";
-            }
-            else
-            {
-                this.forTypeString = "";
-            }
         }
  
         /// <summary>
         /// Returns a logger associated with the specified type.
         /// </summary>
-        public ILogger ForType<T>()
+        public override ILogger ForType<T>()
         {
-            if (typeof(T) == forType)
+            if (typeof(T) == AssociatedType)
             {
                 return this;
             }
             return new ConsoleLogger(typeof(T));
         }
-
-        /// <summary>Logs a message with severity Debug.</summary>
-        public void Debug(string message)
-        {
-            Log("D", message);
-        }
-
-        /// <summary>Logs a formatted message with severity Debug.</summary>
-        public void Debug(string format, params object[] formatArgs)
-        {
-            Debug(string.Format(format, formatArgs));
-        }
-
-        /// <summary>Logs a message with severity Info.</summary>
-        public void Info(string message)
-        {
-            Log("I", message);
-        }
-
-        /// <summary>Logs a formatted message with severity Info.</summary>
-        public void Info(string format, params object[] formatArgs)
-        {
-            Info(string.Format(format, formatArgs));
-        }
-
-        /// <summary>Logs a message with severity Warning.</summary>
-        public void Warning(string message)
-        {
-            Log("W", message);
-        }
-
-        /// <summary>Logs a formatted message with severity Warning.</summary>
-        public void Warning(string format, params object[] formatArgs)
-        {
-            Warning(string.Format(format, formatArgs));
-        }
-
-        /// <summary>Logs a message and an associated exception with severity Warning.</summary>
-        public void Warning(Exception exception, string message)
-        {
-            Warning(message + " " + exception);
-        }
-
-        /// <summary>Logs a message with severity Error.</summary>
-        public void Error(string message)
-        {
-            Log("E", message);
-        }
-
-        /// <summary>Logs a formatted message with severity Error.</summary>
-        public void Error(string format, params object[] formatArgs)
-        {
-            Error(string.Format(format, formatArgs));
-        }
-
-        /// <summary>Logs a message and an associated exception with severity Error.</summary>
-        public void Error(Exception exception, string message)
-        {
-            Error(message + " " + exception);
-        }
-
-        private void Log(string severityString, string message)
-        {
-            Console.Error.WriteLine("{0}{1} {2}{3}",
-                severityString,
-                DateTime.Now,
-                forTypeString,
-                message);
-        }
     }
 }
diff --git a/src/csharp/Grpc.Core/Logging/TextWriterLogger.cs b/src/csharp/Grpc.Core/Logging/TextWriterLogger.cs
new file mode 100644
index 0000000000000000000000000000000000000000..397320ddffaa152c5ecc7a711740573604868b3a
--- /dev/null
+++ b/src/csharp/Grpc.Core/Logging/TextWriterLogger.cs
@@ -0,0 +1,176 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using Grpc.Core.Utils;
+
+namespace Grpc.Core.Logging
+{
+    /// <summary>Logger that logs to an arbitrary <c>System.IO.TextWriter</c>.</summary>
+    public class TextWriterLogger : ILogger
+    {
+        // Format similar enough to C core log format except nanosecond precision is not supported.
+        const string DateTimeFormatString = "MMdd HH:mm:ss.ffffff";
+
+        readonly Func<TextWriter> textWriterProvider;
+        readonly Type forType;
+        readonly string forTypeString;
+
+        /// <summary>
+        /// Creates a console logger not associated to any specific type and writes to given <c>System.IO.TextWriter</c>.
+        /// User is responsible for providing an instance of TextWriter that is thread-safe.
+        /// </summary>
+        public TextWriterLogger(TextWriter textWriter) : this(() => textWriter)
+        {
+            GrpcPreconditions.CheckNotNull(textWriter);
+        }
+
+        /// <summary>
+        /// Creates a console logger not associated to any specific type and writes to a <c>System.IO.TextWriter</c> obtained from given provider.
+        /// User is responsible for providing an instance of TextWriter that is thread-safe.
+        /// </summary>
+        public TextWriterLogger(Func<TextWriter> textWriterProvider) : this(textWriterProvider, null)
+        {
+        }
+
+        /// <summary>Creates a console logger that logs messsage specific for given type.</summary>
+        protected TextWriterLogger(Func<TextWriter> textWriterProvider, Type forType)
+        {
+            this.textWriterProvider = GrpcPreconditions.CheckNotNull(textWriterProvider);
+            this.forType = forType;
+            if (forType != null)
+            {
+                var namespaceStr = forType.Namespace ?? "";
+                if (namespaceStr.Length > 0)
+                {
+                     namespaceStr += ".";
+                }
+                this.forTypeString = namespaceStr + forType.Name + " ";
+            }
+            else
+            {
+                this.forTypeString = "";
+            }
+        }
+
+        /// <summary>
+        /// Returns a logger associated with the specified type.
+        /// </summary>
+        public virtual ILogger ForType<T>()
+        {
+            if (typeof(T) == forType)
+            {
+                return this;
+            }
+            return new TextWriterLogger(this.textWriterProvider, typeof(T));
+        }
+
+        /// <summary>Logs a message with severity Debug.</summary>
+        public void Debug(string message)
+        {
+            Log("D", message);
+        }
+
+        /// <summary>Logs a formatted message with severity Debug.</summary>
+        public void Debug(string format, params object[] formatArgs)
+        {
+            Debug(string.Format(format, formatArgs));
+        }
+
+        /// <summary>Logs a message with severity Info.</summary>
+        public void Info(string message)
+        {
+            Log("I", message);
+        }
+
+        /// <summary>Logs a formatted message with severity Info.</summary>
+        public void Info(string format, params object[] formatArgs)
+        {
+            Info(string.Format(format, formatArgs));
+        }
+
+        /// <summary>Logs a message with severity Warning.</summary>
+        public void Warning(string message)
+        {
+            Log("W", message);
+        }
+
+        /// <summary>Logs a formatted message with severity Warning.</summary>
+        public void Warning(string format, params object[] formatArgs)
+        {
+            Warning(string.Format(format, formatArgs));
+        }
+
+        /// <summary>Logs a message and an associated exception with severity Warning.</summary>
+        public void Warning(Exception exception, string message)
+        {
+            Warning(message + " " + exception);
+        }
+
+        /// <summary>Logs a message with severity Error.</summary>
+        public void Error(string message)
+        {
+            Log("E", message);
+        }
+
+        /// <summary>Logs a formatted message with severity Error.</summary>
+        public void Error(string format, params object[] formatArgs)
+        {
+            Error(string.Format(format, formatArgs));
+        }
+
+        /// <summary>Logs a message and an associated exception with severity Error.</summary>
+        public void Error(Exception exception, string message)
+        {
+            Error(message + " " + exception);
+        }
+
+        /// <summary>Gets the type associated with this logger.</summary>
+        protected Type AssociatedType
+        {
+            get { return forType; }
+        }
+
+        private void Log(string severityString, string message)
+        {
+            textWriterProvider().WriteLine("{0}{1} {2}{3}",
+                severityString,
+                DateTime.Now.ToString(DateTimeFormatString, CultureInfo.InvariantCulture),
+                forTypeString,
+                message);
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core/Marshaller.cs b/src/csharp/Grpc.Core/Marshaller.cs
index 5847248c1aaea0069bc8027ffd560349709254f4..d86e75b3cb1f83d23d99885669748c96d48d6367 100644
--- a/src/csharp/Grpc.Core/Marshaller.cs
+++ b/src/csharp/Grpc.Core/Marshaller.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Metadata.cs b/src/csharp/Grpc.Core/Metadata.cs
index 52cef96f40565a9209b0c17cfbd510803dfe897c..e982fa0c486ee4b37fbbf9a833236c55d8760bc1 100644
--- a/src/csharp/Grpc.Core/Metadata.cs
+++ b/src/csharp/Grpc.Core/Metadata.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Method.cs b/src/csharp/Grpc.Core/Method.cs
index 3870076f7f9c7816cd0f035ac4bfa938471d1223..0cf041be2bc4e41fdaf02c845f392c8d89ca2e09 100644
--- a/src/csharp/Grpc.Core/Method.cs
+++ b/src/csharp/Grpc.Core/Method.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Profiling/Profilers.cs b/src/csharp/Grpc.Core/Profiling/Profilers.cs
index 8a181447d628679b242c495d2307faf0cc236b51..aa0d96c0e02624165121e4603e723845ae18b8ab 100644
--- a/src/csharp/Grpc.Core/Profiling/Profilers.cs
+++ b/src/csharp/Grpc.Core/Profiling/Profilers.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Server.cs b/src/csharp/Grpc.Core/Server.cs
index 5d0fc6b1f0c81e6f88895bb47f367a02ae296d70..5b61b7f060f0d162c4494c293a45f047d9164d91 100644
--- a/src/csharp/Grpc.Core/Server.cs
+++ b/src/csharp/Grpc.Core/Server.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/ServerCredentials.cs b/src/csharp/Grpc.Core/ServerCredentials.cs
index 456d331c9c317b5d0e2f402f7dfb0298bdb542f0..ace4820027bd125a387378293018e6b5063a945c 100644
--- a/src/csharp/Grpc.Core/ServerCredentials.cs
+++ b/src/csharp/Grpc.Core/ServerCredentials.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/ServerPort.cs b/src/csharp/Grpc.Core/ServerPort.cs
index 10ddcb782fc342c3f8fde6b803aae885d0eb8b02..afae0846ddf2601a6702f1c57f0a306ac4e8d74f 100644
--- a/src/csharp/Grpc.Core/ServerPort.cs
+++ b/src/csharp/Grpc.Core/ServerPort.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Utils/GrpcPreconditions.cs b/src/csharp/Grpc.Core/Utils/GrpcPreconditions.cs
index 76bf04ce8b2091c56b00d5104db26757dc2caf77..fcfe97a09b0d4f53a9a6ea48b55e249e432e2806 100644
--- a/src/csharp/Grpc.Core/Utils/GrpcPreconditions.cs
+++ b/src/csharp/Grpc.Core/Utils/GrpcPreconditions.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.Core/Version.cs b/src/csharp/Grpc.Core/Version.cs
index 6d88438a07b0f5f6875ae1f36713f8763baa3c42..f5c44fd09845f157707b1604a42e2a8d59ecca01 100644
--- a/src/csharp/Grpc.Core/Version.cs
+++ b/src/csharp/Grpc.Core/Version.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -33,5 +33,6 @@
 
 using System.Reflection;
 
-// The current version of gRPC C#.
 [assembly: AssemblyVersion(Grpc.Core.VersionInfo.CurrentAssemblyVersion)]
+[assembly: AssemblyFileVersion(Grpc.Core.VersionInfo.CurrentAssemblyFileVersion)]
+[assembly: AssemblyInformationalVersion(Grpc.Core.VersionInfo.CurrentVersion)]
diff --git a/src/csharp/Grpc.Core/VersionInfo.cs b/src/csharp/Grpc.Core/VersionInfo.cs
index 4bd4f204dd5ad7b9997dea2cf2af9f081c3c3f02..f7a9cb9c1cb66f36a1ffbaa2042d44ae418e02c0 100644
--- a/src/csharp/Grpc.Core/VersionInfo.cs
+++ b/src/csharp/Grpc.Core/VersionInfo.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -35,13 +35,20 @@ namespace Grpc.Core
 {
     /// <summary>
     /// Provides info about current version of gRPC.
+    /// See https://codingforsmarties.wordpress.com/2016/01/21/how-to-version-assemblies-destined-for-nuget/
+    /// for rationale about assembly versioning.
     /// </summary>
     public static class VersionInfo
     {
         /// <summary>
-        /// Current version of gRPC C# assemblies
+        /// Current <c>AssemblyVersion</c> attribute of gRPC C# assemblies
         /// </summary>
-        public const string CurrentAssemblyVersion = "0.14.0.0";
+        public const string CurrentAssemblyVersion = "1.0.0.0";
+
+        /// <summary>
+        /// Current <c>AssemblyFileVersion</c> of gRPC C# assemblies
+        /// </summary>
+        public const string CurrentAssemblyFileVersion = "0.14.0.0";
 
         /// <summary>
         /// Current version of gRPC C#
diff --git a/src/csharp/Grpc.Examples.MathClient/MathClient.cs b/src/csharp/Grpc.Examples.MathClient/MathClient.cs
index 64e429ed5a32001bf89b10172ad73c40adb79ad0..aadef6833dd33613c5364afba9b5f8f4840fe9c7 100644
--- a/src/csharp/Grpc.Examples.MathClient/MathClient.cs
+++ b/src/csharp/Grpc.Examples.MathClient/MathClient.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -40,7 +40,7 @@ namespace Math
         public static void Main(string[] args)
         {
             var channel = new Channel("127.0.0.1", 23456, ChannelCredentials.Insecure);
-            Math.IMathClient client = new Math.MathClient(channel);
+            Math.MathClient client = new Math.MathClient(channel);
             MathExamples.DivExample(client);
 
             MathExamples.DivAsyncExample(client).Wait();
diff --git a/src/csharp/Grpc.Examples.Tests/Grpc.Examples.Tests.csproj b/src/csharp/Grpc.Examples.Tests/Grpc.Examples.Tests.csproj
index 9aeab059f95076dc8bffb0af5a5609858bbe8bac..cfe668b6bed8e0c21e47dee3c954f5ada4101710 100644
--- a/src/csharp/Grpc.Examples.Tests/Grpc.Examples.Tests.csproj
+++ b/src/csharp/Grpc.Examples.Tests/Grpc.Examples.Tests.csproj
@@ -3,10 +3,8 @@
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProductVersion>10.0.0</ProductVersion>
-    <SchemaVersion>2.0</SchemaVersion>
     <ProjectGuid>{143B1C29-C442-4BE0-BF3F-A8F92288AC9F}</ProjectGuid>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <RootNamespace>Grpc.Examples.Tests</RootNamespace>
     <AssemblyName>Grpc.Examples.Tests</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
@@ -37,18 +35,19 @@
     <AssemblyOriginatorKeyFile>..\keys\Grpc.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Google.Protobuf, Version=3.0.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
+    <Reference Include="System" />
+    <Reference Include="Google.Protobuf">
       <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
     <Reference Include="nunit.framework">
-      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
+      <HintPath>..\packages\NUnit.3.2.0\lib\net45\nunit.framework.dll</HintPath>
     </Reference>
-    <Reference Include="System" />
-    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
+    <Reference Include="System.Interactive.Async">
       <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
     </Reference>
+    <Reference Include="nunitlite">
+      <HintPath>..\packages\NUnitLite.3.2.0\lib\net45\nunitlite.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\Grpc.Core\Version.cs">
@@ -56,6 +55,7 @@
     </Compile>
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="MathClientServerTests.cs" />
+    <Compile Include="NUnitMain.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
diff --git a/src/csharp/Grpc.Examples.Tests/MathClientServerTests.cs b/src/csharp/Grpc.Examples.Tests/MathClientServerTests.cs
index 290d42808e734cdae8aa4bcd07b1b1b29f6a69ea..875202b9509192833096c524d3aee42cf37340db 100644
--- a/src/csharp/Grpc.Examples.Tests/MathClientServerTests.cs
+++ b/src/csharp/Grpc.Examples.Tests/MathClientServerTests.cs
@@ -149,7 +149,7 @@ namespace Math.Tests
             using (var call = client.Fib(new FibArgs { Limit = 0 }, 
                 deadline: DateTime.UtcNow.AddMilliseconds(500)))
             {
-                var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.ToListAsync());
+                var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.ToListAsync());
 
                 // We can't guarantee the status code always DeadlineExceeded. See issue #2685.
                 Assert.Contains(ex.Status.StatusCode, new[] { StatusCode.DeadlineExceeded, StatusCode.Internal });
diff --git a/src/csharp/Grpc.Examples.Tests/NUnitMain.cs b/src/csharp/Grpc.Examples.Tests/NUnitMain.cs
new file mode 100644
index 0000000000000000000000000000000000000000..ea87802766b02f69c582c8fc4c3ee1b83b45c245
--- /dev/null
+++ b/src/csharp/Grpc.Examples.Tests/NUnitMain.cs
@@ -0,0 +1,59 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Reflection;
+using Grpc.Core;
+using Grpc.Core.Logging;
+using NUnit.Common;
+using NUnitLite;
+
+namespace Grpc.Examples.Tests
+{
+    /// <summary>
+    /// Provides entry point for NUnitLite
+    /// </summary>
+    public class NUnitMain
+    {
+        public static int Main(string[] args)
+        {
+            // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
+            GrpcEnvironment.SetLogger(new TextWriterLogger(Console.Error));
+#if DOTNET5_4
+            return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
+#else
+            return new AutoRun().Execute(args);
+#endif
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Examples.Tests/packages.config b/src/csharp/Grpc.Examples.Tests/packages.config
index ed30d2d428e83763829271a7362d4578c13b25f0..ce030f9d777dd9a949a5d972e61e928c65c78d24 100644
--- a/src/csharp/Grpc.Examples.Tests/packages.config
+++ b/src/csharp/Grpc.Examples.Tests/packages.config
@@ -1,6 +1,7 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
-  <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
-  <package id="NUnit" version="2.6.4" targetFramework="net45" />
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
+  <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
+  <package id="NUnit" version="3.2.0" targetFramework="net45" />
+  <package id="NUnitLite" version="3.2.0" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Examples/Grpc.Examples.csproj b/src/csharp/Grpc.Examples/Grpc.Examples.csproj
index 15b04c8d8b71bed8b0cea59b357e1dc7f618b97f..f0a0aa3a266fb2b9d9bacb7844757ebc60560937 100644
--- a/src/csharp/Grpc.Examples/Grpc.Examples.csproj
+++ b/src/csharp/Grpc.Examples/Grpc.Examples.csproj
@@ -41,6 +41,9 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
+    <Reference Include="nunit.framework">
+      <HintPath>..\packages\NUnit.3.2.0\lib\net45\nunit.framework.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Data.Linq" />
     <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
diff --git a/src/csharp/Grpc.Examples/MathExamples.cs b/src/csharp/Grpc.Examples/MathExamples.cs
index 8009ccbbfa1cfd16c269115fc2c87108de395a69..6075420974889cd4cf26e08cb8c088a8e6ff5d12 100644
--- a/src/csharp/Grpc.Examples/MathExamples.cs
+++ b/src/csharp/Grpc.Examples/MathExamples.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -38,19 +38,19 @@ namespace Math
 {
     public static class MathExamples
     {
-        public static void DivExample(Math.IMathClient client)
+        public static void DivExample(Math.MathClient client)
         {
             DivReply result = client.Div(new DivArgs { Dividend = 10, Divisor = 3 });
             Console.WriteLine("Div Result: " + result);
         }
 
-        public static async Task DivAsyncExample(Math.IMathClient client)
+        public static async Task DivAsyncExample(Math.MathClient client)
         {
             DivReply result = await client.DivAsync(new DivArgs { Dividend = 4, Divisor = 5 });
             Console.WriteLine("DivAsync Result: " + result);
         }
 
-        public static async Task FibExample(Math.IMathClient client)
+        public static async Task FibExample(Math.MathClient client)
         {
             using (var call = client.Fib(new FibArgs { Limit = 5 }))
             {
@@ -59,7 +59,7 @@ namespace Math
             }
         }
 
-        public static async Task SumExample(Math.IMathClient client)
+        public static async Task SumExample(Math.MathClient client)
         {
             var numbers = new List<Num>
             {
@@ -75,7 +75,7 @@ namespace Math
             }
         }
 
-        public static async Task DivManyExample(Math.IMathClient client)
+        public static async Task DivManyExample(Math.MathClient client)
         {
             var divArgsList = new List<DivArgs>
             {
@@ -90,7 +90,7 @@ namespace Math
             }
         }
 
-        public static async Task DependendRequestsExample(Math.IMathClient client)
+        public static async Task DependendRequestsExample(Math.MathClient client)
         {
             var numbers = new List<Num>
             {
diff --git a/src/csharp/Grpc.Examples/MathGrpc.cs b/src/csharp/Grpc.Examples/MathGrpc.cs
index a6e878d0f48b6ea3e0b2e8b6540f8ae82174aaab..1a6482df90e3ada93889a4faf07716cd400a456b 100644
--- a/src/csharp/Grpc.Examples/MathGrpc.cs
+++ b/src/csharp/Grpc.Examples/MathGrpc.cs
@@ -52,6 +52,7 @@ namespace Math {
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IMathClient
     {
       global::Math.DivReply Div(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -67,6 +68,7 @@ namespace Math {
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IMath
     {
       Task<global::Math.DivReply> Div(global::Math.DivArgs request, ServerCallContext context);
@@ -75,66 +77,113 @@ namespace Math {
       Task<global::Math.Num> Sum(IAsyncStreamReader<global::Math.Num> requestStream, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class MathBase
+    {
+      public virtual Task<global::Math.DivReply> Div(global::Math.DivArgs request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task DivMany(IAsyncStreamReader<global::Math.DivArgs> requestStream, IServerStreamWriter<global::Math.DivReply> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task Fib(global::Math.FibArgs request, IServerStreamWriter<global::Math.Num> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Math.Num> Sum(IAsyncStreamReader<global::Math.Num> requestStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class MathClient : ClientBase, IMathClient
+    #pragma warning disable 0618
+    public class MathClient : ClientBase<MathClient>, IMathClient
+    #pragma warning restore 0618
     {
       public MathClient(Channel channel) : base(channel)
       {
       }
-      public global::Math.DivReply Div(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public MathClient(CallInvoker callInvoker) : base(callInvoker)
       {
-        var call = CreateCall(__Method_Div, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public global::Math.DivReply Div(global::Math.DivArgs request, CallOptions options)
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected MathClient() : base()
       {
-        var call = CreateCall(__Method_Div, options);
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Math.DivReply> DivAsync(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected MathClient(ClientBaseConfiguration configuration) : base(configuration)
       {
-        var call = CreateCall(__Method_Div, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Math.DivReply> DivAsync(global::Math.DivArgs request, CallOptions options)
+
+      public virtual global::Math.DivReply Div(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Div, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return Div(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncDuplexStreamingCall<global::Math.DivArgs, global::Math.DivReply> DivMany(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Math.DivReply Div(global::Math.DivArgs request, CallOptions options)
       {
-        var call = CreateCall(__Method_DivMany, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CallInvoker.BlockingUnaryCall(__Method_Div, null, options, request);
       }
-      public AsyncDuplexStreamingCall<global::Math.DivArgs, global::Math.DivReply> DivMany(CallOptions options)
+      public virtual AsyncUnaryCall<global::Math.DivReply> DivAsync(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_DivMany, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return DivAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncServerStreamingCall<global::Math.Num> Fib(global::Math.FibArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Math.DivReply> DivAsync(global::Math.DivArgs request, CallOptions options)
       {
-        var call = CreateCall(__Method_Fib, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncServerStreamingCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_Div, null, options, request);
       }
-      public AsyncServerStreamingCall<global::Math.Num> Fib(global::Math.FibArgs request, CallOptions options)
+      public virtual AsyncDuplexStreamingCall<global::Math.DivArgs, global::Math.DivReply> DivMany(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Fib, options);
-        return Calls.AsyncServerStreamingCall(call, request);
+        return DivMany(new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncClientStreamingCall<global::Math.Num, global::Math.Num> Sum(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncDuplexStreamingCall<global::Math.DivArgs, global::Math.DivReply> DivMany(CallOptions options)
       {
-        var call = CreateCall(__Method_Sum, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncClientStreamingCall(call);
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_DivMany, null, options);
       }
-      public AsyncClientStreamingCall<global::Math.Num, global::Math.Num> Sum(CallOptions options)
+      public virtual AsyncServerStreamingCall<global::Math.Num> Fib(global::Math.FibArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Sum, options);
-        return Calls.AsyncClientStreamingCall(call);
+        return Fib(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncServerStreamingCall<global::Math.Num> Fib(global::Math.FibArgs request, CallOptions options)
+      {
+        return CallInvoker.AsyncServerStreamingCall(__Method_Fib, null, options, request);
+      }
+      public virtual AsyncClientStreamingCall<global::Math.Num, global::Math.Num> Sum(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return Sum(new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncClientStreamingCall<global::Math.Num, global::Math.Num> Sum(CallOptions options)
+      {
+        return CallInvoker.AsyncClientStreamingCall(__Method_Sum, null, options);
+      }
+      protected override MathClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new MathClient(configuration);
       }
     }
 
     // creates service definition that can be registered with a server
+    #pragma warning disable 0618
     public static ServerServiceDefinition BindService(IMath serviceImpl)
+    #pragma warning restore 0618
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_Div, serviceImpl.Div)
+          .AddMethod(__Method_DivMany, serviceImpl.DivMany)
+          .AddMethod(__Method_Fib, serviceImpl.Fib)
+          .AddMethod(__Method_Sum, serviceImpl.Sum).Build();
+    }
+
+    // creates service definition that can be registered with a server
+    #pragma warning disable 0618
+    public static ServerServiceDefinition BindService(MathBase serviceImpl)
+    #pragma warning restore 0618
     {
       return ServerServiceDefinition.CreateBuilder(__ServiceName)
           .AddMethod(__Method_Div, serviceImpl.Div)
diff --git a/src/csharp/Grpc.Examples/MathServiceImpl.cs b/src/csharp/Grpc.Examples/MathServiceImpl.cs
index 71dc655e46d12584a7642d89e872095cb2503665..79c56e57a85a220cb6d833f552134f361e2ab6d9 100644
--- a/src/csharp/Grpc.Examples/MathServiceImpl.cs
+++ b/src/csharp/Grpc.Examples/MathServiceImpl.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -43,14 +43,14 @@ namespace Math
     /// <summary>
     /// Implementation of MathService server
     /// </summary>
-    public class MathServiceImpl : Math.IMath
+    public class MathServiceImpl : Math.MathBase
     {
-        public Task<DivReply> Div(DivArgs request, ServerCallContext context)
+        public override Task<DivReply> Div(DivArgs request, ServerCallContext context)
         {
             return Task.FromResult(DivInternal(request));
         }
 
-        public async Task Fib(FibArgs request, IServerStreamWriter<Num> responseStream, ServerCallContext context)
+        public override async Task Fib(FibArgs request, IServerStreamWriter<Num> responseStream, ServerCallContext context)
         {
             if (request.Limit <= 0)
             {
@@ -72,7 +72,7 @@ namespace Math
             }
         }
 
-        public async Task<Num> Sum(IAsyncStreamReader<Num> requestStream, ServerCallContext context)
+        public override async Task<Num> Sum(IAsyncStreamReader<Num> requestStream, ServerCallContext context)
         {
             long sum = 0;
             await requestStream.ForEachAsync(async num =>
@@ -82,7 +82,7 @@ namespace Math
             return new Num { Num_ = sum };
         }
 
-        public async Task DivMany(IAsyncStreamReader<DivArgs> requestStream, IServerStreamWriter<DivReply> responseStream, ServerCallContext context)
+        public override async Task DivMany(IAsyncStreamReader<DivArgs> requestStream, IServerStreamWriter<DivReply> responseStream, ServerCallContext context)
         {
             await requestStream.ForEachAsync(async divArgs => await responseStream.WriteAsync(DivInternal(divArgs)));
         }
diff --git a/src/csharp/Grpc.Examples/packages.config b/src/csharp/Grpc.Examples/packages.config
index dfb8304ad104a6eb623b6865e4a1368bf3f81de2..a424cd2ea023b12e0ce5f3ac1ba0d877bf42d934 100644
--- a/src/csharp/Grpc.Examples/packages.config
+++ b/src/csharp/Grpc.Examples/packages.config
@@ -2,5 +2,5 @@
 <packages>
   <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
   <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
-  <package id="NUnit" version="2.6.4" targetFramework="net45" />
+  <package id="NUnit" version="3.2.0" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.HealthCheck.Tests/Grpc.HealthCheck.Tests.csproj b/src/csharp/Grpc.HealthCheck.Tests/Grpc.HealthCheck.Tests.csproj
index bb6488b4f12e68c7e540a828695883d749ddc724..0bea9c03e7a1aeddd66da5900770fc53bfd65c2f 100644
--- a/src/csharp/Grpc.HealthCheck.Tests/Grpc.HealthCheck.Tests.csproj
+++ b/src/csharp/Grpc.HealthCheck.Tests/Grpc.HealthCheck.Tests.csproj
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{F8C6D937-C44B-4EE3-A431-B0FBAEACE47D}</ProjectGuid>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Grpc.HealthCheck.Tests</RootNamespace>
     <AssemblyName>Grpc.HealthCheck.Tests</AssemblyName>
@@ -37,13 +37,6 @@
     <AssemblyOriginatorKeyFile>..\keys\Grpc.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Google.Protobuf, Version=3.0.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
-    </Reference>
-    <Reference Include="nunit.framework">
-      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
@@ -51,6 +44,15 @@
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Data" />
     <Reference Include="System.Xml" />
+    <Reference Include="Google.Protobuf">
+      <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
+    </Reference>
+    <Reference Include="nunit.framework">
+      <HintPath>..\packages\NUnit.3.2.0\lib\net45\nunit.framework.dll</HintPath>
+    </Reference>
+    <Reference Include="nunitlite">
+      <HintPath>..\packages\NUnitLite.3.2.0\lib\net45\nunitlite.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\Grpc.Core\Version.cs">
@@ -59,14 +61,15 @@
     <Compile Include="HealthServiceImplTest.cs" />
     <Compile Include="HealthClientServerTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="NUnitMain.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Grpc.Core\Grpc.Core.csproj">
-      <Project>{ccc4440e-49f7-4790-b0af-feabb0837ae7}</Project>
+      <Project>{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}</Project>
       <Name>Grpc.Core</Name>
     </ProjectReference>
     <ProjectReference Include="..\Grpc.HealthCheck\Grpc.HealthCheck.csproj">
-      <Project>{aa5e328a-8835-49d7-98ed-c29f2b3049f0}</Project>
+      <Project>{AA5E328A-8835-49D7-98ED-C29F2B3049F0}</Project>
       <Name>Grpc.HealthCheck</Name>
     </ProjectReference>
   </ItemGroup>
diff --git a/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs b/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
index c3fac05324c8245694c425eb88cab306dcc7f641..fb292945a6e626f594e3b873ac3bf0bbc6ecf3d7 100644
--- a/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
+++ b/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -49,7 +49,7 @@ namespace Grpc.HealthCheck.Tests
         const string Host = "localhost";
         Server server;
         Channel channel;
-        Grpc.Health.V1.Health.IHealthClient client;
+        Grpc.Health.V1.Health.HealthClient client;
         Grpc.HealthCheck.HealthServiceImpl serviceImpl;
 
         [TestFixtureSetUp]
diff --git a/src/csharp/Grpc.HealthCheck.Tests/HealthServiceImplTest.cs b/src/csharp/Grpc.HealthCheck.Tests/HealthServiceImplTest.cs
index 47e4b7c2a70194bb84232f42db9588756c6dffca..a4b79e3a7d61a3f9499d02836544ca495efbe5ae 100644
--- a/src/csharp/Grpc.HealthCheck.Tests/HealthServiceImplTest.cs
+++ b/src/csharp/Grpc.HealthCheck.Tests/HealthServiceImplTest.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.HealthCheck.Tests/NUnitMain.cs b/src/csharp/Grpc.HealthCheck.Tests/NUnitMain.cs
new file mode 100644
index 0000000000000000000000000000000000000000..0820523f35c3ffc19adbdee4b0615b04fcdfd125
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck.Tests/NUnitMain.cs
@@ -0,0 +1,59 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Reflection;
+using Grpc.Core;
+using Grpc.Core.Logging;
+using NUnit.Common;
+using NUnitLite;
+
+namespace Grpc.HealthCheck.Tests
+{
+    /// <summary>
+    /// Provides entry point for NUnitLite
+    /// </summary>
+    public class NUnitMain
+    {
+        public static int Main(string[] args)
+        {
+            // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
+            GrpcEnvironment.SetLogger(new TextWriterLogger(Console.Error));
+#if DOTNET5_4
+            return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
+#else
+            return new AutoRun().Execute(args);
+#endif
+        }
+    }
+}
diff --git a/src/csharp/Grpc.HealthCheck.Tests/packages.config b/src/csharp/Grpc.HealthCheck.Tests/packages.config
index 472809397913d8d8ed25ecdca826f811db205719..8066d8fcebd60c562cc80a4f5b58ecd2038ba866 100644
--- a/src/csharp/Grpc.HealthCheck.Tests/packages.config
+++ b/src/csharp/Grpc.HealthCheck.Tests/packages.config
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
-  <package id="NUnit" version="2.6.4" targetFramework="net45" />
+  <package id="NUnit" version="3.2.0" targetFramework="net45" />
+  <package id="NUnitLite" version="3.2.0" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.HealthCheck/HealthGrpc.cs b/src/csharp/Grpc.HealthCheck/HealthGrpc.cs
index 68320eb5c2effa410693eec82851005105a854b7..e7f779753d7065c772610324b9af183f0d6c5858 100644
--- a/src/csharp/Grpc.HealthCheck/HealthGrpc.cs
+++ b/src/csharp/Grpc.HealthCheck/HealthGrpc.cs
@@ -29,6 +29,7 @@ namespace Grpc.Health.V1 {
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IHealthClient
     {
       global::Grpc.Health.V1.HealthCheckResponse Check(global::Grpc.Health.V1.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -38,41 +39,77 @@ namespace Grpc.Health.V1 {
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IHealth
     {
       Task<global::Grpc.Health.V1.HealthCheckResponse> Check(global::Grpc.Health.V1.HealthCheckRequest request, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class HealthBase
+    {
+      public virtual Task<global::Grpc.Health.V1.HealthCheckResponse> Check(global::Grpc.Health.V1.HealthCheckRequest request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class HealthClient : ClientBase, IHealthClient
+    #pragma warning disable 0618
+    public class HealthClient : ClientBase<HealthClient>, IHealthClient
+    #pragma warning restore 0618
     {
       public HealthClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Health.V1.HealthCheckResponse Check(global::Grpc.Health.V1.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public HealthClient(CallInvoker callInvoker) : base(callInvoker)
       {
-        var call = CreateCall(__Method_Check, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public global::Grpc.Health.V1.HealthCheckResponse Check(global::Grpc.Health.V1.HealthCheckRequest request, CallOptions options)
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected HealthClient() : base()
+      {
+      }
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected HealthClient(ClientBaseConfiguration configuration) : base(configuration)
+      {
+      }
+
+      public virtual global::Grpc.Health.V1.HealthCheckResponse Check(global::Grpc.Health.V1.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Check, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return Check(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Health.V1.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Grpc.Health.V1.HealthCheckResponse Check(global::Grpc.Health.V1.HealthCheckRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_Check, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_Check, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Health.V1.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1.HealthCheckRequest request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Health.V1.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Check, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return CheckAsync(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Health.V1.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1.HealthCheckRequest request, CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_Check, null, options, request);
+      }
+      protected override HealthClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new HealthClient(configuration);
       }
     }
 
     // creates service definition that can be registered with a server
+    #pragma warning disable 0618
     public static ServerServiceDefinition BindService(IHealth serviceImpl)
+    #pragma warning restore 0618
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_Check, serviceImpl.Check).Build();
+    }
+
+    // creates service definition that can be registered with a server
+    #pragma warning disable 0618
+    public static ServerServiceDefinition BindService(HealthBase serviceImpl)
+    #pragma warning restore 0618
     {
       return ServerServiceDefinition.CreateBuilder(__ServiceName)
           .AddMethod(__Method_Check, serviceImpl.Check).Build();
diff --git a/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs b/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs
index 21482b302b4dcc1659e5ea33cb2d08e52f0e1412..d0406ece00616ca308ac7865c37125aa83240983 100644
--- a/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs
+++ b/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -51,7 +51,7 @@ namespace Grpc.HealthCheck
     /// server.AddServiceDefinition(Grpc.Health.V1.Health.BindService(serviceImpl));
     /// </code>
     /// </summary>
-    public class HealthServiceImpl : Grpc.Health.V1.Health.IHealth
+    public class HealthServiceImpl : Grpc.Health.V1.Health.HealthBase
     {
         private readonly object myLock = new object();
         private readonly Dictionary<string, HealthCheckResponse.Types.ServingStatus> statusMap = 
@@ -99,7 +99,7 @@ namespace Grpc.HealthCheck
         /// <param name="request">The check request.</param>
         /// <param name="context">The call context.</param>
         /// <returns>The asynchronous response.</returns>
-        public Task<HealthCheckResponse> Check(HealthCheckRequest request, ServerCallContext context)
+        public override Task<HealthCheckResponse> Check(HealthCheckRequest request, ServerCallContext context)
         {
             lock (myLock)
             {
diff --git a/src/csharp/Grpc.IntegrationTesting.Client/Grpc.IntegrationTesting.Client.csproj b/src/csharp/Grpc.IntegrationTesting.Client/Grpc.IntegrationTesting.Client.csproj
index f37c1464c3dd4c0a709aefd256e1570e55bf5766..339a754c02cefd8fb47af638ee1f3e0ea8a884bf 100644
--- a/src/csharp/Grpc.IntegrationTesting.Client/Grpc.IntegrationTesting.Client.csproj
+++ b/src/csharp/Grpc.IntegrationTesting.Client/Grpc.IntegrationTesting.Client.csproj
@@ -9,7 +9,7 @@
     <AssemblyName>Grpc.IntegrationTesting.Client</AssemblyName>
     <StartupObject>Grpc.IntegrationTesting.Client.Program</StartupObject>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>6d22e68f</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>dfa56e6c</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -43,28 +43,17 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\BouncyCastle.1.7.0\lib\Net40-Client\BouncyCastle.Crypto.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Auth, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.dll</HintPath>
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.PlatformServices.dll</HintPath>
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.PlatformServices.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Core, Version=1.10.0.25331, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Core, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Core.1.10.0\lib\portable-net40+sl50+win+wpa81+wp80\Google.Apis.Core.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks, Version=1.0.12.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions.Desktop, Version=1.0.168.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.Desktop.dll</HintPath>
+      <HintPath>..\packages\Google.Apis.Core.1.11.1\lib\net45\Google.Apis.Core.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -73,12 +62,6 @@
     <Reference Include="System" />
     <Reference Include="System.Net" />
     <Reference Include="System.Net.Http" />
-    <Reference Include="System.Net.Http.Extensions">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Net.Http.Primitives">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Primitives.dll</HintPath>
-    </Reference>
     <Reference Include="System.Net.Http.WebRequest" />
   </ItemGroup>
   <ItemGroup>
@@ -100,14 +83,6 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <None Include="app.config" />
     <None Include="packages.config" />
   </ItemGroup>
-  <Import Project="..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets'))" />
-  </Target>
 </Project>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting.Client/app.config b/src/csharp/Grpc.IntegrationTesting.Client/app.config
deleted file mode 100644
index 84d7534d650c51f8e2e4e0049dccab26d725c90f..0000000000000000000000000000000000000000
--- a/src/csharp/Grpc.IntegrationTesting.Client/app.config
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <runtime>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.29.0" newVersion="4.2.29.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.0.0.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="Google.Apis.Core" publicKeyToken="4b01fa6e34db77ab" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-1.9.2.38523" newVersion="1.9.2.38523" />
-      </dependentAssembly>
-    </assemblyBinding>
-  </runtime>
-</configuration>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting.Client/packages.config b/src/csharp/Grpc.IntegrationTesting.Client/packages.config
index 5fe8ca616c7a022d609eff47fb27810b39e88a37..c20d9ceed6a180a50151be916f2c4d12628dc1bf 100644
--- a/src/csharp/Grpc.IntegrationTesting.Client/packages.config
+++ b/src/csharp/Grpc.IntegrationTesting.Client/packages.config
@@ -1,11 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="BouncyCastle" version="1.7.0" targetFramework="net45" />
-  <package id="Google.Apis.Auth" version="1.10.0" targetFramework="net45" />
-  <package id="Google.Apis.Core" version="1.10.0" targetFramework="net45" />
-  <package id="Microsoft.Bcl" version="1.1.10" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Build" version="1.0.21" targetFramework="net45" />
-  <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net45" />
+  <package id="Google.Apis.Auth" version="1.11.1" targetFramework="net45" />
+  <package id="Google.Apis.Core" version="1.11.1" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting.QpsWorker/app.config b/src/csharp/Grpc.IntegrationTesting.QpsWorker/app.config
index 940d25cae38fd70a3f661caa034b4e1ef7f8c54d..e204447bb349a84b275013dea0707aea84300fcc 100644
--- a/src/csharp/Grpc.IntegrationTesting.QpsWorker/app.config
+++ b/src/csharp/Grpc.IntegrationTesting.QpsWorker/app.config
@@ -6,6 +6,10 @@
         <assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-4.2.29.0" newVersion="4.2.29.0" />
       </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Google.Apis.Core" publicKeyToken="4b01fa6e34db77ab" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-1.11.1.0" newVersion="1.11.1.0" />
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
 </configuration>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting.Server/Grpc.IntegrationTesting.Server.csproj b/src/csharp/Grpc.IntegrationTesting.Server/Grpc.IntegrationTesting.Server.csproj
index f27b96a53f9c867f7ece49b6bd32462133f9828b..27a5650308698ccbd5e39cef15212ebc5a5336f3 100644
--- a/src/csharp/Grpc.IntegrationTesting.Server/Grpc.IntegrationTesting.Server.csproj
+++ b/src/csharp/Grpc.IntegrationTesting.Server/Grpc.IntegrationTesting.Server.csproj
@@ -9,7 +9,7 @@
     <AssemblyName>Grpc.IntegrationTesting.Server</AssemblyName>
     <StartupObject>Grpc.IntegrationTesting.Server.Program</StartupObject>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>d9ee8e52</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>7ceb739e</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -43,28 +43,17 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\BouncyCastle.1.7.0\lib\Net40-Client\BouncyCastle.Crypto.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Auth, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.dll</HintPath>
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.PlatformServices.dll</HintPath>
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.PlatformServices.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Core, Version=1.10.0.25331, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Core, Version=1.11.1.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Core.1.10.0\lib\portable-net40+sl50+win+wpa81+wp80\Google.Apis.Core.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks, Version=1.0.12.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions.Desktop, Version=1.0.168.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.Desktop.dll</HintPath>
+      <HintPath>..\packages\Google.Apis.Core.1.11.1\lib\net45\Google.Apis.Core.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -73,12 +62,6 @@
     <Reference Include="System" />
     <Reference Include="System.Net" />
     <Reference Include="System.Net.Http" />
-    <Reference Include="System.Net.Http.Extensions">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Net.Http.Primitives">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net45\System.Net.Http.Primitives.dll</HintPath>
-    </Reference>
     <Reference Include="System.Net.Http.WebRequest" />
   </ItemGroup>
   <ItemGroup>
@@ -100,14 +83,6 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <None Include="app.config" />
     <None Include="packages.config" />
   </ItemGroup>
-  <Import Project="..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets'))" />
-  </Target>
 </Project>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting.Server/app.config b/src/csharp/Grpc.IntegrationTesting.Server/app.config
deleted file mode 100644
index 84d7534d650c51f8e2e4e0049dccab26d725c90f..0000000000000000000000000000000000000000
--- a/src/csharp/Grpc.IntegrationTesting.Server/app.config
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <runtime>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.29.0" newVersion="4.2.29.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.0.0.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="Google.Apis.Core" publicKeyToken="4b01fa6e34db77ab" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-1.9.2.38523" newVersion="1.9.2.38523" />
-      </dependentAssembly>
-    </assemblyBinding>
-  </runtime>
-</configuration>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting.Server/packages.config b/src/csharp/Grpc.IntegrationTesting.Server/packages.config
index 5fe8ca616c7a022d609eff47fb27810b39e88a37..c20d9ceed6a180a50151be916f2c4d12628dc1bf 100644
--- a/src/csharp/Grpc.IntegrationTesting.Server/packages.config
+++ b/src/csharp/Grpc.IntegrationTesting.Server/packages.config
@@ -1,11 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="BouncyCastle" version="1.7.0" targetFramework="net45" />
-  <package id="Google.Apis.Auth" version="1.10.0" targetFramework="net45" />
-  <package id="Google.Apis.Core" version="1.10.0" targetFramework="net45" />
-  <package id="Microsoft.Bcl" version="1.1.10" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Build" version="1.0.21" targetFramework="net45" />
-  <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net45" />
+  <package id="Google.Apis.Auth" version="1.11.1" targetFramework="net45" />
+  <package id="Google.Apis.Core" version="1.11.1" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting.StressClient/.gitignore b/src/csharp/Grpc.IntegrationTesting.StressClient/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..a382af2294f7a8b9d7789117aeeb80a0a56bc19b
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting.StressClient/.gitignore
@@ -0,0 +1,3 @@
+bin
+obj
+
diff --git a/src/csharp/Grpc.IntegrationTesting.StressClient/Grpc.IntegrationTesting.StressClient.csproj b/src/csharp/Grpc.IntegrationTesting.StressClient/Grpc.IntegrationTesting.StressClient.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..d6eba74289ef70ae1b14354c134fedce21d1af96
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting.StressClient/Grpc.IntegrationTesting.StressClient.csproj
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{ADEBA147-80AE-4710-82E9-5B7F93690266}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>Grpc.IntegrationTesting.StressClient</RootNamespace>
+    <AssemblyName>Grpc.IntegrationTesting.StressClient</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug</OutputPath>
+    <DefineConstants>DEBUG;</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <PlatformTarget>AnyCPU</PlatformTarget>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <PlatformTarget>AnyCPU</PlatformTarget>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseSigned|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\ReleaseSigned</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <SignAssembly>True</SignAssembly>
+    <AssemblyOriginatorKeyFile>..\keys\Grpc.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="..\Grpc.Core\Version.cs">
+      <Link>Version.cs</Link>
+    </Compile>
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+  <ItemGroup>
+    <ProjectReference Include="..\Grpc.Core\Grpc.Core.csproj">
+      <Project>{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}</Project>
+      <Name>Grpc.Core</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Grpc.IntegrationTesting\Grpc.IntegrationTesting.csproj">
+      <Project>{C61154BA-DD4A-4838-8420-0162A28925E0}</Project>
+      <Name>Grpc.IntegrationTesting</Name>
+    </ProjectReference>
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/src/python/grpcio/tests/interop/empty.proto b/src/csharp/Grpc.IntegrationTesting.StressClient/Program.cs
similarity index 79%
rename from src/python/grpcio/tests/interop/empty.proto
rename to src/csharp/Grpc.IntegrationTesting.StressClient/Program.cs
index 6d0eb937d674ca3ee9aaf9c2ed8313250cd76647..dffdf22fa5bf82751d037b8b32bb0023f4a517cd 100644
--- a/src/python/grpcio/tests/interop/empty.proto
+++ b/src/csharp/Grpc.IntegrationTesting.StressClient/Program.cs
@@ -1,5 +1,6 @@
+#region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -28,16 +29,17 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-syntax = "proto3";
+#endregion
 
-package grpc.testing;
+using System;
 
-// An empty message that you can re-use to avoid defining duplicated empty
-// messages in your project. A typical example is to use it as argument or the
-// return value of a service API. For instance:
-//
-//   service Foo {
-//     rpc Bar (grpc.testing.Empty) returns (grpc.testing.Empty) { };
-//   };
-//
-message Empty {}
+namespace Grpc.IntegrationTesting.StressClient
+{
+    class MainClass
+    {
+        public static void Main(string[] args)
+        {
+            StressTestClient.Run(args);
+        }
+    }
+}
diff --git a/src/csharp/Grpc.IntegrationTesting.StressClient/Properties/AssemblyInfo.cs b/src/csharp/Grpc.IntegrationTesting.StressClient/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000000000000000000000000000000000000..e845bbfb9e66fe4e044e9d48407be453cf419d6a
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting.StressClient/Properties/AssemblyInfo.cs
@@ -0,0 +1,11 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+[assembly: AssemblyTitle("Grpc.IntegrationTesting.StressClient")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("")]
+[assembly: AssemblyCopyright("Google Inc.  All rights reserved.")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
diff --git a/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs b/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs
index 47a15224f165d8458d4a3589ac46bb27d3ca241d..07f2703d4a4ee06427032c257de331915e8326fb 100644
--- a/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs
+++ b/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -44,26 +44,23 @@ namespace Grpc.Testing
     /// <summary>
     /// Implementation of BenchmarkService server
     /// </summary>
-    public class BenchmarkServiceImpl : BenchmarkService.IBenchmarkService
+    public class BenchmarkServiceImpl : BenchmarkService.BenchmarkServiceBase
     {
-        private readonly int responseSize;
-
-        public BenchmarkServiceImpl(int responseSize)
+        public BenchmarkServiceImpl()
         {
-            this.responseSize = responseSize;
         }
 
-        public Task<SimpleResponse> UnaryCall(SimpleRequest request, ServerCallContext context)
+        public override Task<SimpleResponse> UnaryCall(SimpleRequest request, ServerCallContext context)
         {
-            var response = new SimpleResponse { Payload = CreateZerosPayload(responseSize) };
+            var response = new SimpleResponse { Payload = CreateZerosPayload(request.ResponseSize) };
             return Task.FromResult(response);
         }
 
-        public async Task StreamingCall(IAsyncStreamReader<SimpleRequest> requestStream, IServerStreamWriter<SimpleResponse> responseStream, ServerCallContext context)
+        public override async Task StreamingCall(IAsyncStreamReader<SimpleRequest> requestStream, IServerStreamWriter<SimpleResponse> responseStream, ServerCallContext context)
         {
             await requestStream.ForEachAsync(async request =>
             {
-                var response = new SimpleResponse { Payload = CreateZerosPayload(responseSize) };
+                var response = new SimpleResponse { Payload = CreateZerosPayload(request.ResponseSize) };
                 await responseStream.WriteAsync(response);
             });
         }
diff --git a/src/csharp/Grpc.IntegrationTesting/ClientRunners.cs b/src/csharp/Grpc.IntegrationTesting/ClientRunners.cs
index c4016012cbb63face4aeb366578e1f4f4f46c3b3..b4572756f24df0a570b2fce978fd8e184cde075b 100644
--- a/src/csharp/Grpc.IntegrationTesting/ClientRunners.cs
+++ b/src/csharp/Grpc.IntegrationTesting/ClientRunners.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -41,6 +41,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Google.Protobuf;
 using Grpc.Core;
+using Grpc.Core.Logging;
 using Grpc.Core.Utils;
 using NUnit.Framework;
 using Grpc.Testing;
@@ -50,58 +51,101 @@ namespace Grpc.IntegrationTesting
     /// <summary>
     /// Helper methods to start client runners for performance testing.
     /// </summary>
-    public static class ClientRunners
+    public class ClientRunners
     {
+        static readonly ILogger Logger = GrpcEnvironment.Logger.ForType<ClientRunners>();
+
         /// <summary>
         /// Creates a started client runner.
         /// </summary>
         public static IClientRunner CreateStarted(ClientConfig config)
         {
-            string target = config.ServerTargets.Single();
-            GrpcPreconditions.CheckArgument(config.LoadParams.LoadCase == LoadParams.LoadOneofCase.ClosedLoop);
+            Logger.Debug("ClientConfig: {0}", config);
+
+            if (config.AsyncClientThreads != 0)
+            {
+                Logger.Warning("ClientConfig.AsyncClientThreads is not supported for C#. Ignoring the value");
+            }
+            if (config.CoreLimit != 0)
+            {
+                Logger.Warning("ClientConfig.CoreLimit is not supported for C#. Ignoring the value");
+            }
+            if (config.CoreList.Count > 0)
+            {
+                Logger.Warning("ClientConfig.CoreList is not supported for C#. Ignoring the value");
+            }
+
+            var channels = CreateChannels(config.ClientChannels, config.ServerTargets, config.SecurityParams);
+
+            return new ClientRunnerImpl(channels,
+                config.ClientType,
+                config.RpcType,
+                config.OutstandingRpcsPerChannel,
+                config.LoadParams,
+                config.PayloadConfig,
+                config.HistogramParams);
+        }
 
-            var credentials = config.SecurityParams != null ? TestCredentials.CreateSslCredentials() : ChannelCredentials.Insecure;
-            var channel = new Channel(target, credentials);
+        private static List<Channel> CreateChannels(int clientChannels, IEnumerable<string> serverTargets, SecurityParams securityParams)
+        {
+            GrpcPreconditions.CheckArgument(clientChannels > 0, "clientChannels needs to be at least 1.");
+            GrpcPreconditions.CheckArgument(serverTargets.Count() > 0, "at least one serverTarget needs to be specified.");
 
-            switch (config.RpcType)
+            var credentials = securityParams != null ? TestCredentials.CreateSslCredentials() : ChannelCredentials.Insecure;
+            List<ChannelOption> channelOptions = null;
+            if (securityParams != null && securityParams.ServerHostOverride != "")
             {
-                case RpcType.UNARY:
-                    return new SyncUnaryClientRunner(channel,
-                        config.PayloadConfig.SimpleParams.ReqSize,
-                        config.HistogramParams);
+                channelOptions = new List<ChannelOption>
+                {
+                    new ChannelOption(ChannelOptions.SslTargetNameOverride, securityParams.ServerHostOverride)
+                };
+            }
 
-                case RpcType.STREAMING:
-                default:
-                    throw new ArgumentException("Unsupported RpcType.");
+            var result = new List<Channel>();
+            for (int i = 0; i < clientChannels; i++)
+            {
+                var target = serverTargets.ElementAt(i % serverTargets.Count());
+                var channel = new Channel(target, credentials, channelOptions);
+                result.Add(channel);
             }
+            return result;
         }
     }
 
-    /// <summary>
-    /// Client that starts synchronous unary calls in a closed loop.
-    /// </summary>
-    public class SyncUnaryClientRunner : IClientRunner
+    public class ClientRunnerImpl : IClientRunner
     {
         const double SecondsToNanos = 1e9;
 
-        readonly Channel channel;
-        readonly int payloadSize;
+        readonly List<Channel> channels;
+        readonly ClientType clientType;
+        readonly RpcType rpcType;
+        readonly PayloadConfig payloadConfig;
         readonly Histogram histogram;
 
-        readonly BenchmarkService.IBenchmarkServiceClient client;
-        readonly Task runnerTask;
-        readonly CancellationTokenSource stoppedCts;
+        readonly List<Task> runnerTasks;
+        readonly CancellationTokenSource stoppedCts = new CancellationTokenSource();
         readonly WallClockStopwatch wallClockStopwatch = new WallClockStopwatch();
         
-        public SyncUnaryClientRunner(Channel channel, int payloadSize, HistogramParams histogramParams)
+        public ClientRunnerImpl(List<Channel> channels, ClientType clientType, RpcType rpcType, int outstandingRpcsPerChannel, LoadParams loadParams, PayloadConfig payloadConfig, HistogramParams histogramParams)
         {
-            this.channel = GrpcPreconditions.CheckNotNull(channel);
-            this.payloadSize = payloadSize;
+            GrpcPreconditions.CheckArgument(outstandingRpcsPerChannel > 0, "outstandingRpcsPerChannel");
+            GrpcPreconditions.CheckNotNull(histogramParams, "histogramParams");
+            this.channels = new List<Channel>(channels);
+            this.clientType = clientType;
+            this.rpcType = rpcType;
+            this.payloadConfig = payloadConfig;
             this.histogram = new Histogram(histogramParams.Resolution, histogramParams.MaxPossible);
 
-            this.stoppedCts = new CancellationTokenSource();
-            this.client = BenchmarkService.NewClient(channel);
-            this.runnerTask = Task.Factory.StartNew(Run, TaskCreationOptions.LongRunning);
+            this.runnerTasks = new List<Task>();
+            foreach (var channel in this.channels)
+            {
+                for (int i = 0; i < outstandingRpcsPerChannel; i++)
+                {
+                    var timer = CreateTimer(loadParams, 1.0 / this.channels.Count / outstandingRpcsPerChannel);
+                    var threadBody = GetThreadBody(channel, timer);
+                    this.runnerTasks.Add(Task.Factory.StartNew(threadBody, TaskCreationOptions.LongRunning));
+                }
+            }
         }
 
         public ClientStats GetStats(bool reset)
@@ -122,16 +166,20 @@ namespace Grpc.IntegrationTesting
         public async Task StopAsync()
         {
             stoppedCts.Cancel();
-            await runnerTask;
-            await channel.ShutdownAsync();
+            foreach (var runnerTask in runnerTasks)
+            {
+                await runnerTask;
+            }
+            foreach (var channel in channels)
+            {
+                await channel.ShutdownAsync();
+            }
         }
 
-        private void Run()
+        private void RunUnary(Channel channel, IInterarrivalTimer timer)
         {
-            var request = new SimpleRequest
-            {
-                Payload = CreateZerosPayload(payloadSize)
-            };
+            var client = BenchmarkService.NewClient(channel);
+            var request = CreateSimpleRequest();
             var stopwatch = new Stopwatch();
 
             while (!stoppedCts.Token.IsCancellationRequested)
@@ -142,12 +190,153 @@ namespace Grpc.IntegrationTesting
 
                 // spec requires data point in nanoseconds.
                 histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
+
+                timer.WaitForNext();
             }
         }
 
+        private async Task RunUnaryAsync(Channel channel, IInterarrivalTimer timer)
+        {
+            var client = BenchmarkService.NewClient(channel);
+            var request = CreateSimpleRequest();
+            var stopwatch = new Stopwatch();
+
+            while (!stoppedCts.Token.IsCancellationRequested)
+            {
+                stopwatch.Restart();
+                await client.UnaryCallAsync(request);
+                stopwatch.Stop();
+
+                // spec requires data point in nanoseconds.
+                histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
+
+                await timer.WaitForNextAsync();
+            }
+        }
+
+        private async Task RunStreamingPingPongAsync(Channel channel, IInterarrivalTimer timer)
+        {
+            var client = BenchmarkService.NewClient(channel);
+            var request = CreateSimpleRequest();
+            var stopwatch = new Stopwatch();
+
+            using (var call = client.StreamingCall())
+            {
+                while (!stoppedCts.Token.IsCancellationRequested)
+                {
+                    stopwatch.Restart();
+                    await call.RequestStream.WriteAsync(request);
+                    await call.ResponseStream.MoveNext();
+                    stopwatch.Stop();
+
+                    // spec requires data point in nanoseconds.
+                    histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
+
+                    await timer.WaitForNextAsync();
+                }
+
+                // finish the streaming call
+                await call.RequestStream.CompleteAsync();
+                Assert.IsFalse(await call.ResponseStream.MoveNext());
+            }
+        }
+
+        private async Task RunGenericStreamingAsync(Channel channel, IInterarrivalTimer timer)
+        {
+            var request = CreateByteBufferRequest();
+            var stopwatch = new Stopwatch();
+
+            var callDetails = new CallInvocationDetails<byte[], byte[]>(channel, GenericService.StreamingCallMethod, new CallOptions());
+
+            using (var call = Calls.AsyncDuplexStreamingCall(callDetails))
+            {
+                while (!stoppedCts.Token.IsCancellationRequested)
+                {
+                    stopwatch.Restart();
+                    await call.RequestStream.WriteAsync(request);
+                    await call.ResponseStream.MoveNext();
+                    stopwatch.Stop();
+
+                    // spec requires data point in nanoseconds.
+                    histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
+
+                    await timer.WaitForNextAsync();
+                }
+
+                // finish the streaming call
+                await call.RequestStream.CompleteAsync();
+                Assert.IsFalse(await call.ResponseStream.MoveNext());
+            }
+        }
+
+        private Action GetThreadBody(Channel channel, IInterarrivalTimer timer)
+        {
+            if (payloadConfig.PayloadCase == PayloadConfig.PayloadOneofCase.BytebufParams)
+            {
+                GrpcPreconditions.CheckArgument(clientType == ClientType.ASYNC_CLIENT, "Generic client only supports async API");
+                GrpcPreconditions.CheckArgument(rpcType == RpcType.STREAMING, "Generic client only supports streaming calls");
+                return () =>
+                {
+                    RunGenericStreamingAsync(channel, timer).Wait();
+                };
+            }
+
+            GrpcPreconditions.CheckNotNull(payloadConfig.SimpleParams);
+            if (clientType == ClientType.SYNC_CLIENT)
+            {
+                GrpcPreconditions.CheckArgument(rpcType == RpcType.UNARY, "Sync client can only be used for Unary calls in C#");
+                return () => RunUnary(channel, timer);
+            }
+            else if (clientType == ClientType.ASYNC_CLIENT)
+            {
+                switch (rpcType)
+                {
+                    case RpcType.UNARY:
+                        return () =>
+                        {
+                            RunUnaryAsync(channel, timer).Wait();
+                        };
+                    case RpcType.STREAMING:
+                        return () =>
+                        {
+                            RunStreamingPingPongAsync(channel, timer).Wait();
+                        };
+                }
+            }
+            throw new ArgumentException("Unsupported configuration.");
+        }
+
+        private SimpleRequest CreateSimpleRequest()
+        {
+            GrpcPreconditions.CheckNotNull(payloadConfig.SimpleParams);
+            return new SimpleRequest
+            {
+                Payload = CreateZerosPayload(payloadConfig.SimpleParams.ReqSize),
+                ResponseSize = payloadConfig.SimpleParams.RespSize
+            };
+        }
+
+        private byte[] CreateByteBufferRequest()
+        {
+            return new byte[payloadConfig.BytebufParams.ReqSize];
+        }
+
         private static Payload CreateZerosPayload(int size)
         {
             return new Payload { Body = ByteString.CopyFrom(new byte[size]) };
         }
+
+        private static IInterarrivalTimer CreateTimer(LoadParams loadParams, double loadMultiplier)
+        {
+            switch (loadParams.LoadCase)
+            {
+                case LoadParams.LoadOneofCase.ClosedLoop:
+                    return new ClosedLoopInterarrivalTimer();
+                case LoadParams.LoadOneofCase.Poisson:
+                    return new PoissonInterarrivalTimer(loadParams.Poisson.OfferedLoad * loadMultiplier);
+                default:
+                    throw new ArgumentException("Unknown load type");
+            }
+        }
     }
 }
diff --git a/src/csharp/Grpc.IntegrationTesting/Control.cs b/src/csharp/Grpc.IntegrationTesting/Control.cs
index 291bc753978b74a1466b9d97fb6bb32e5cb53c71..3fa8d43f3811ee5768a1a18ea1313b4825f49945 100644
--- a/src/csharp/Grpc.IntegrationTesting/Control.cs
+++ b/src/csharp/Grpc.IntegrationTesting/Control.cs
@@ -26,69 +26,84 @@ namespace Grpc.Testing {
             "CiRzcmMvcHJvdG8vZ3JwYy90ZXN0aW5nL2NvbnRyb2wucHJvdG8SDGdycGMu",
             "dGVzdGluZxolc3JjL3Byb3RvL2dycGMvdGVzdGluZy9wYXlsb2Fkcy5wcm90",
             "bxoic3JjL3Byb3RvL2dycGMvdGVzdGluZy9zdGF0cy5wcm90byIlCg1Qb2lz",
-            "c29uUGFyYW1zEhQKDG9mZmVyZWRfbG9hZBgBIAEoASJBCg1Vbmlmb3JtUGFy",
-            "YW1zEhcKD2ludGVyYXJyaXZhbF9sbxgBIAEoARIXCg9pbnRlcmFycml2YWxf",
-            "aGkYAiABKAEiKwoTRGV0ZXJtaW5pc3RpY1BhcmFtcxIUCgxvZmZlcmVkX2xv",
-            "YWQYASABKAEiOAoMUGFyZXRvUGFyYW1zEhkKEWludGVyYXJyaXZhbF9iYXNl",
-            "GAEgASgBEg0KBWFscGhhGAIgASgBIhIKEENsb3NlZExvb3BQYXJhbXMijgIK",
-            "CkxvYWRQYXJhbXMSNQoLY2xvc2VkX2xvb3AYASABKAsyHi5ncnBjLnRlc3Rp",
-            "bmcuQ2xvc2VkTG9vcFBhcmFtc0gAEi4KB3BvaXNzb24YAiABKAsyGy5ncnBj",
-            "LnRlc3RpbmcuUG9pc3NvblBhcmFtc0gAEi4KB3VuaWZvcm0YAyABKAsyGy5n",
-            "cnBjLnRlc3RpbmcuVW5pZm9ybVBhcmFtc0gAEjMKBmRldGVybRgEIAEoCzIh",
-            "LmdycGMudGVzdGluZy5EZXRlcm1pbmlzdGljUGFyYW1zSAASLAoGcGFyZXRv",
-            "GAUgASgLMhouZ3JwYy50ZXN0aW5nLlBhcmV0b1BhcmFtc0gAQgYKBGxvYWQi",
-            "QwoOU2VjdXJpdHlQYXJhbXMSEwoLdXNlX3Rlc3RfY2EYASABKAgSHAoUc2Vy",
-            "dmVyX2hvc3Rfb3ZlcnJpZGUYAiABKAki1gMKDENsaWVudENvbmZpZxIWCg5z",
-            "ZXJ2ZXJfdGFyZ2V0cxgBIAMoCRItCgtjbGllbnRfdHlwZRgCIAEoDjIYLmdy",
-            "cGMudGVzdGluZy5DbGllbnRUeXBlEjUKD3NlY3VyaXR5X3BhcmFtcxgDIAEo",
-            "CzIcLmdycGMudGVzdGluZy5TZWN1cml0eVBhcmFtcxIkChxvdXRzdGFuZGlu",
-            "Z19ycGNzX3Blcl9jaGFubmVsGAQgASgFEhcKD2NsaWVudF9jaGFubmVscxgF",
-            "IAEoBRIcChRhc3luY19jbGllbnRfdGhyZWFkcxgHIAEoBRInCghycGNfdHlw",
-            "ZRgIIAEoDjIVLmdycGMudGVzdGluZy5ScGNUeXBlEi0KC2xvYWRfcGFyYW1z",
-            "GAogASgLMhguZ3JwYy50ZXN0aW5nLkxvYWRQYXJhbXMSMwoOcGF5bG9hZF9j",
-            "b25maWcYCyABKAsyGy5ncnBjLnRlc3RpbmcuUGF5bG9hZENvbmZpZxI3ChBo",
-            "aXN0b2dyYW1fcGFyYW1zGAwgASgLMh0uZ3JwYy50ZXN0aW5nLkhpc3RvZ3Jh",
-            "bVBhcmFtcxIRCgljb3JlX2xpc3QYDSADKAUSEgoKY29yZV9saW1pdBgOIAEo",
-            "BSI4CgxDbGllbnRTdGF0dXMSKAoFc3RhdHMYASABKAsyGS5ncnBjLnRlc3Rp",
-            "bmcuQ2xpZW50U3RhdHMiFQoETWFyaxINCgVyZXNldBgBIAEoCCJoCgpDbGll",
-            "bnRBcmdzEisKBXNldHVwGAEgASgLMhouZ3JwYy50ZXN0aW5nLkNsaWVudENv",
-            "bmZpZ0gAEiIKBG1hcmsYAiABKAsyEi5ncnBjLnRlc3RpbmcuTWFya0gAQgkK",
-            "B2FyZ3R5cGUi/AEKDFNlcnZlckNvbmZpZxItCgtzZXJ2ZXJfdHlwZRgBIAEo",
-            "DjIYLmdycGMudGVzdGluZy5TZXJ2ZXJUeXBlEjUKD3NlY3VyaXR5X3BhcmFt",
-            "cxgCIAEoCzIcLmdycGMudGVzdGluZy5TZWN1cml0eVBhcmFtcxIMCgRwb3J0",
-            "GAQgASgFEhwKFGFzeW5jX3NlcnZlcl90aHJlYWRzGAcgASgFEhIKCmNvcmVf",
-            "bGltaXQYCCABKAUSMwoOcGF5bG9hZF9jb25maWcYCSABKAsyGy5ncnBjLnRl",
-            "c3RpbmcuUGF5bG9hZENvbmZpZxIRCgljb3JlX2xpc3QYCiADKAUiaAoKU2Vy",
-            "dmVyQXJncxIrCgVzZXR1cBgBIAEoCzIaLmdycGMudGVzdGluZy5TZXJ2ZXJD",
-            "b25maWdIABIiCgRtYXJrGAIgASgLMhIuZ3JwYy50ZXN0aW5nLk1hcmtIAEIJ",
-            "Cgdhcmd0eXBlIlUKDFNlcnZlclN0YXR1cxIoCgVzdGF0cxgBIAEoCzIZLmdy",
-            "cGMudGVzdGluZy5TZXJ2ZXJTdGF0cxIMCgRwb3J0GAIgASgFEg0KBWNvcmVz",
-            "GAMgASgFIg0KC0NvcmVSZXF1ZXN0Ih0KDENvcmVSZXNwb25zZRINCgVjb3Jl",
-            "cxgBIAEoBSIGCgRWb2lkKi8KCkNsaWVudFR5cGUSDwoLU1lOQ19DTElFTlQQ",
-            "ABIQCgxBU1lOQ19DTElFTlQQASpJCgpTZXJ2ZXJUeXBlEg8KC1NZTkNfU0VS",
-            "VkVSEAASEAoMQVNZTkNfU0VSVkVSEAESGAoUQVNZTkNfR0VORVJJQ19TRVJW",
-            "RVIQAiojCgdScGNUeXBlEgkKBVVOQVJZEAASDQoJU1RSRUFNSU5HEAFiBnBy",
-            "b3RvMw=="));
+            "c29uUGFyYW1zEhQKDG9mZmVyZWRfbG9hZBgBIAEoASISChBDbG9zZWRMb29w",
+            "UGFyYW1zInsKCkxvYWRQYXJhbXMSNQoLY2xvc2VkX2xvb3AYASABKAsyHi5n",
+            "cnBjLnRlc3RpbmcuQ2xvc2VkTG9vcFBhcmFtc0gAEi4KB3BvaXNzb24YAiAB",
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+            "X2hvc3Rfb3ZlcnJpZGUYAiABKAki8AMKDENsaWVudENvbmZpZxIWCg5zZXJ2",
+            "ZXJfdGFyZ2V0cxgBIAMoCRItCgtjbGllbnRfdHlwZRgCIAEoDjIYLmdycGMu",
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+            "ASgLMhguZ3JwYy50ZXN0aW5nLkxvYWRQYXJhbXMSMwoOcGF5bG9hZF9jb25m",
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+            "b2dyYW1fcGFyYW1zGAwgASgLMh0uZ3JwYy50ZXN0aW5nLkhpc3RvZ3JhbVBh",
+            "cmFtcxIRCgljb3JlX2xpc3QYDSADKAUSEgoKY29yZV9saW1pdBgOIAEoBRIY",
+            "ChBvdGhlcl9jbGllbnRfYXBpGA8gASgJIjgKDENsaWVudFN0YXR1cxIoCgVz",
+            "dGF0cxgBIAEoCzIZLmdycGMudGVzdGluZy5DbGllbnRTdGF0cyIVCgRNYXJr",
+            "Eg0KBXJlc2V0GAEgASgIImgKCkNsaWVudEFyZ3MSKwoFc2V0dXAYASABKAsy",
+            "Gi5ncnBjLnRlc3RpbmcuQ2xpZW50Q29uZmlnSAASIgoEbWFyaxgCIAEoCzIS",
+            "LmdycGMudGVzdGluZy5NYXJrSABCCQoHYXJndHlwZSKWAgoMU2VydmVyQ29u",
+            "ZmlnEi0KC3NlcnZlcl90eXBlGAEgASgOMhguZ3JwYy50ZXN0aW5nLlNlcnZl",
+            "clR5cGUSNQoPc2VjdXJpdHlfcGFyYW1zGAIgASgLMhwuZ3JwYy50ZXN0aW5n",
+            "LlNlY3VyaXR5UGFyYW1zEgwKBHBvcnQYBCABKAUSHAoUYXN5bmNfc2VydmVy",
+            "X3RocmVhZHMYByABKAUSEgoKY29yZV9saW1pdBgIIAEoBRIzCg5wYXlsb2Fk",
+            "X2NvbmZpZxgJIAEoCzIbLmdycGMudGVzdGluZy5QYXlsb2FkQ29uZmlnEhEK",
+            "CWNvcmVfbGlzdBgKIAMoBRIYChBvdGhlcl9zZXJ2ZXJfYXBpGAsgASgJImgK",
+            "ClNlcnZlckFyZ3MSKwoFc2V0dXAYASABKAsyGi5ncnBjLnRlc3RpbmcuU2Vy",
+            "dmVyQ29uZmlnSAASIgoEbWFyaxgCIAEoCzISLmdycGMudGVzdGluZy5NYXJr",
+            "SABCCQoHYXJndHlwZSJVCgxTZXJ2ZXJTdGF0dXMSKAoFc3RhdHMYASABKAsy",
+            "GS5ncnBjLnRlc3RpbmcuU2VydmVyU3RhdHMSDAoEcG9ydBgCIAEoBRINCgVj",
+            "b3JlcxgDIAEoBSINCgtDb3JlUmVxdWVzdCIdCgxDb3JlUmVzcG9uc2USDQoF",
+            "Y29yZXMYASABKAUiBgoEVm9pZCL9AQoIU2NlbmFyaW8SDAoEbmFtZRgBIAEo",
+            "CRIxCg1jbGllbnRfY29uZmlnGAIgASgLMhouZ3JwYy50ZXN0aW5nLkNsaWVu",
+            "dENvbmZpZxITCgtudW1fY2xpZW50cxgDIAEoBRIxCg1zZXJ2ZXJfY29uZmln",
+            "GAQgASgLMhouZ3JwYy50ZXN0aW5nLlNlcnZlckNvbmZpZxITCgtudW1fc2Vy",
+            "dmVycxgFIAEoBRIWCg53YXJtdXBfc2Vjb25kcxgGIAEoBRIZChFiZW5jaG1h",
+            "cmtfc2Vjb25kcxgHIAEoBRIgChhzcGF3bl9sb2NhbF93b3JrZXJfY291bnQY",
+            "CCABKAUiNgoJU2NlbmFyaW9zEikKCXNjZW5hcmlvcxgBIAMoCzIWLmdycGMu",
+            "dGVzdGluZy5TY2VuYXJpbyKSAgoVU2NlbmFyaW9SZXN1bHRTdW1tYXJ5EgsK",
+            "A3FwcxgBIAEoARIbChNxcHNfcGVyX3NlcnZlcl9jb3JlGAIgASgBEhoKEnNl",
+            "cnZlcl9zeXN0ZW1fdGltZRgDIAEoARIYChBzZXJ2ZXJfdXNlcl90aW1lGAQg",
+            "ASgBEhoKEmNsaWVudF9zeXN0ZW1fdGltZRgFIAEoARIYChBjbGllbnRfdXNl",
+            "cl90aW1lGAYgASgBEhIKCmxhdGVuY3lfNTAYByABKAESEgoKbGF0ZW5jeV85",
+            "MBgIIAEoARISCgpsYXRlbmN5Xzk1GAkgASgBEhIKCmxhdGVuY3lfOTkYCiAB",
+            "KAESEwoLbGF0ZW5jeV85OTkYCyABKAEimAIKDlNjZW5hcmlvUmVzdWx0EigK",
+            "CHNjZW5hcmlvGAEgASgLMhYuZ3JwYy50ZXN0aW5nLlNjZW5hcmlvEi4KCWxh",
+            "dGVuY2llcxgCIAEoCzIbLmdycGMudGVzdGluZy5IaXN0b2dyYW1EYXRhEi8K",
+            "DGNsaWVudF9zdGF0cxgDIAMoCzIZLmdycGMudGVzdGluZy5DbGllbnRTdGF0",
+            "cxIvCgxzZXJ2ZXJfc3RhdHMYBCADKAsyGS5ncnBjLnRlc3RpbmcuU2VydmVy",
+            "U3RhdHMSFAoMc2VydmVyX2NvcmVzGAUgAygFEjQKB3N1bW1hcnkYBiABKAsy",
+            "Iy5ncnBjLnRlc3RpbmcuU2NlbmFyaW9SZXN1bHRTdW1tYXJ5KkEKCkNsaWVu",
+            "dFR5cGUSDwoLU1lOQ19DTElFTlQQABIQCgxBU1lOQ19DTElFTlQQARIQCgxP",
+            "VEhFUl9DTElFTlQQAipbCgpTZXJ2ZXJUeXBlEg8KC1NZTkNfU0VSVkVSEAAS",
+            "EAoMQVNZTkNfU0VSVkVSEAESGAoUQVNZTkNfR0VORVJJQ19TRVJWRVIQAhIQ",
+            "CgxPVEhFUl9TRVJWRVIQAyojCgdScGNUeXBlEgkKBVVOQVJZEAASDQoJU1RS",
+            "RUFNSU5HEAFiBnByb3RvMw=="));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { global::Grpc.Testing.PayloadsReflection.Descriptor, global::Grpc.Testing.StatsReflection.Descriptor, },
           new pbr::GeneratedCodeInfo(new[] {typeof(global::Grpc.Testing.ClientType), typeof(global::Grpc.Testing.ServerType), typeof(global::Grpc.Testing.RpcType), }, new pbr::GeneratedCodeInfo[] {
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.PoissonParams), global::Grpc.Testing.PoissonParams.Parser, new[]{ "OfferedLoad" }, null, null, null),
-            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.UniformParams), global::Grpc.Testing.UniformParams.Parser, new[]{ "InterarrivalLo", "InterarrivalHi" }, null, null, null),
-            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.DeterministicParams), global::Grpc.Testing.DeterministicParams.Parser, new[]{ "OfferedLoad" }, null, null, null),
-            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ParetoParams), global::Grpc.Testing.ParetoParams.Parser, new[]{ "InterarrivalBase", "Alpha" }, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ClosedLoopParams), global::Grpc.Testing.ClosedLoopParams.Parser, null, null, null, null),
-            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.LoadParams), global::Grpc.Testing.LoadParams.Parser, new[]{ "ClosedLoop", "Poisson", "Uniform", "Determ", "Pareto" }, new[]{ "Load" }, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.LoadParams), global::Grpc.Testing.LoadParams.Parser, new[]{ "ClosedLoop", "Poisson" }, new[]{ "Load" }, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.SecurityParams), global::Grpc.Testing.SecurityParams.Parser, new[]{ "UseTestCa", "ServerHostOverride" }, null, null, null),
-            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ClientConfig), global::Grpc.Testing.ClientConfig.Parser, new[]{ "ServerTargets", "ClientType", "SecurityParams", "OutstandingRpcsPerChannel", "ClientChannels", "AsyncClientThreads", "RpcType", "LoadParams", "PayloadConfig", "HistogramParams", "CoreList", "CoreLimit" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ClientConfig), global::Grpc.Testing.ClientConfig.Parser, new[]{ "ServerTargets", "ClientType", "SecurityParams", "OutstandingRpcsPerChannel", "ClientChannels", "AsyncClientThreads", "RpcType", "LoadParams", "PayloadConfig", "HistogramParams", "CoreList", "CoreLimit", "OtherClientApi" }, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ClientStatus), global::Grpc.Testing.ClientStatus.Parser, new[]{ "Stats" }, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.Mark), global::Grpc.Testing.Mark.Parser, new[]{ "Reset" }, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ClientArgs), global::Grpc.Testing.ClientArgs.Parser, new[]{ "Setup", "Mark" }, new[]{ "Argtype" }, null, null),
-            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ServerConfig), global::Grpc.Testing.ServerConfig.Parser, new[]{ "ServerType", "SecurityParams", "Port", "AsyncServerThreads", "CoreLimit", "PayloadConfig", "CoreList" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ServerConfig), global::Grpc.Testing.ServerConfig.Parser, new[]{ "ServerType", "SecurityParams", "Port", "AsyncServerThreads", "CoreLimit", "PayloadConfig", "CoreList", "OtherServerApi" }, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ServerArgs), global::Grpc.Testing.ServerArgs.Parser, new[]{ "Setup", "Mark" }, new[]{ "Argtype" }, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ServerStatus), global::Grpc.Testing.ServerStatus.Parser, new[]{ "Stats", "Port", "Cores" }, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.CoreRequest), global::Grpc.Testing.CoreRequest.Parser, null, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.CoreResponse), global::Grpc.Testing.CoreResponse.Parser, new[]{ "Cores" }, null, null, null),
-            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.Void), global::Grpc.Testing.Void.Parser, null, null, null, null)
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.Void), global::Grpc.Testing.Void.Parser, null, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.Scenario), global::Grpc.Testing.Scenario.Parser, new[]{ "Name", "ClientConfig", "NumClients", "ServerConfig", "NumServers", "WarmupSeconds", "BenchmarkSeconds", "SpawnLocalWorkerCount" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.Scenarios), global::Grpc.Testing.Scenarios.Parser, new[]{ "Scenarios_" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ScenarioResultSummary), global::Grpc.Testing.ScenarioResultSummary.Parser, new[]{ "Qps", "QpsPerServerCore", "ServerSystemTime", "ServerUserTime", "ClientSystemTime", "ClientUserTime", "Latency50", "Latency90", "Latency95", "Latency99", "Latency999" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ScenarioResult), global::Grpc.Testing.ScenarioResult.Parser, new[]{ "Scenario", "Latencies", "ClientStats", "ServerStats", "ServerCores", "Summary" }, null, null, null)
           }));
     }
     #endregion
@@ -96,14 +111,26 @@ namespace Grpc.Testing {
   }
   #region Enums
   public enum ClientType {
+    /// <summary>
+    ///  Many languages support a basic distinction between using
+    ///  sync or async client, and this allows the specification
+    /// </summary>
     SYNC_CLIENT = 0,
     ASYNC_CLIENT = 1,
+    /// <summary>
+    ///  used for some language-specific variants
+    /// </summary>
+    OTHER_CLIENT = 2,
   }
 
   public enum ServerType {
     SYNC_SERVER = 0,
     ASYNC_SERVER = 1,
     ASYNC_GENERIC_SERVER = 2,
+    /// <summary>
+    ///  used for some language-specific variants
+    /// </summary>
+    OTHER_SERVER = 3,
   }
 
   public enum RpcType {
@@ -224,10 +251,14 @@ namespace Grpc.Testing {
 
   }
 
+  /// <summary>
+  ///  Once an RPC finishes, immediately start a new one.
+  ///  No configuration parameters needed.
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class UniformParams : pb::IMessage<UniformParams> {
-    private static readonly pb::MessageParser<UniformParams> _parser = new pb::MessageParser<UniformParams>(() => new UniformParams());
-    public static pb::MessageParser<UniformParams> Parser { get { return _parser; } }
+  public sealed partial class ClosedLoopParams : pb::IMessage<ClosedLoopParams> {
+    private static readonly pb::MessageParser<ClosedLoopParams> _parser = new pb::MessageParser<ClosedLoopParams>(() => new ClosedLoopParams());
+    public static pb::MessageParser<ClosedLoopParams> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
       get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[1]; }
@@ -237,61 +268,35 @@ namespace Grpc.Testing {
       get { return Descriptor; }
     }
 
-    public UniformParams() {
+    public ClosedLoopParams() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public UniformParams(UniformParams other) : this() {
-      interarrivalLo_ = other.interarrivalLo_;
-      interarrivalHi_ = other.interarrivalHi_;
-    }
-
-    public UniformParams Clone() {
-      return new UniformParams(this);
-    }
-
-    /// <summary>Field number for the "interarrival_lo" field.</summary>
-    public const int InterarrivalLoFieldNumber = 1;
-    private double interarrivalLo_;
-    public double InterarrivalLo {
-      get { return interarrivalLo_; }
-      set {
-        interarrivalLo_ = value;
-      }
+    public ClosedLoopParams(ClosedLoopParams other) : this() {
     }
 
-    /// <summary>Field number for the "interarrival_hi" field.</summary>
-    public const int InterarrivalHiFieldNumber = 2;
-    private double interarrivalHi_;
-    public double InterarrivalHi {
-      get { return interarrivalHi_; }
-      set {
-        interarrivalHi_ = value;
-      }
+    public ClosedLoopParams Clone() {
+      return new ClosedLoopParams(this);
     }
 
     public override bool Equals(object other) {
-      return Equals(other as UniformParams);
+      return Equals(other as ClosedLoopParams);
     }
 
-    public bool Equals(UniformParams other) {
+    public bool Equals(ClosedLoopParams other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
-      if (InterarrivalLo != other.InterarrivalLo) return false;
-      if (InterarrivalHi != other.InterarrivalHi) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
-      if (InterarrivalLo != 0D) hash ^= InterarrivalLo.GetHashCode();
-      if (InterarrivalHi != 0D) hash ^= InterarrivalHi.GetHashCode();
       return hash;
     }
 
@@ -300,37 +305,17 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      if (InterarrivalLo != 0D) {
-        output.WriteRawTag(9);
-        output.WriteDouble(InterarrivalLo);
-      }
-      if (InterarrivalHi != 0D) {
-        output.WriteRawTag(17);
-        output.WriteDouble(InterarrivalHi);
-      }
     }
 
     public int CalculateSize() {
       int size = 0;
-      if (InterarrivalLo != 0D) {
-        size += 1 + 8;
-      }
-      if (InterarrivalHi != 0D) {
-        size += 1 + 8;
-      }
       return size;
     }
 
-    public void MergeFrom(UniformParams other) {
+    public void MergeFrom(ClosedLoopParams other) {
       if (other == null) {
         return;
       }
-      if (other.InterarrivalLo != 0D) {
-        InterarrivalLo = other.InterarrivalLo;
-      }
-      if (other.InterarrivalHi != 0D) {
-        InterarrivalHi = other.InterarrivalHi;
-      }
     }
 
     public void MergeFrom(pb::CodedInputStream input) {
@@ -340,14 +325,6 @@ namespace Grpc.Testing {
           default:
             input.SkipLastField();
             break;
-          case 9: {
-            InterarrivalLo = input.ReadDouble();
-            break;
-          }
-          case 17: {
-            InterarrivalHi = input.ReadDouble();
-            break;
-          }
         }
       }
     }
@@ -355,9 +332,9 @@ namespace Grpc.Testing {
   }
 
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class DeterministicParams : pb::IMessage<DeterministicParams> {
-    private static readonly pb::MessageParser<DeterministicParams> _parser = new pb::MessageParser<DeterministicParams>(() => new DeterministicParams());
-    public static pb::MessageParser<DeterministicParams> Parser { get { return _parser; } }
+  public sealed partial class LoadParams : pb::IMessage<LoadParams> {
+    private static readonly pb::MessageParser<LoadParams> _parser = new pb::MessageParser<LoadParams>(() => new LoadParams());
+    public static pb::MessageParser<LoadParams> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
       get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[2]; }
@@ -367,48 +344,87 @@ namespace Grpc.Testing {
       get { return Descriptor; }
     }
 
-    public DeterministicParams() {
+    public LoadParams() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public DeterministicParams(DeterministicParams other) : this() {
-      offeredLoad_ = other.offeredLoad_;
+    public LoadParams(LoadParams other) : this() {
+      switch (other.LoadCase) {
+        case LoadOneofCase.ClosedLoop:
+          ClosedLoop = other.ClosedLoop.Clone();
+          break;
+        case LoadOneofCase.Poisson:
+          Poisson = other.Poisson.Clone();
+          break;
+      }
+
     }
 
-    public DeterministicParams Clone() {
-      return new DeterministicParams(this);
+    public LoadParams Clone() {
+      return new LoadParams(this);
     }
 
-    /// <summary>Field number for the "offered_load" field.</summary>
-    public const int OfferedLoadFieldNumber = 1;
-    private double offeredLoad_;
-    public double OfferedLoad {
-      get { return offeredLoad_; }
+    /// <summary>Field number for the "closed_loop" field.</summary>
+    public const int ClosedLoopFieldNumber = 1;
+    public global::Grpc.Testing.ClosedLoopParams ClosedLoop {
+      get { return loadCase_ == LoadOneofCase.ClosedLoop ? (global::Grpc.Testing.ClosedLoopParams) load_ : null; }
       set {
-        offeredLoad_ = value;
+        load_ = value;
+        loadCase_ = value == null ? LoadOneofCase.None : LoadOneofCase.ClosedLoop;
+      }
+    }
+
+    /// <summary>Field number for the "poisson" field.</summary>
+    public const int PoissonFieldNumber = 2;
+    public global::Grpc.Testing.PoissonParams Poisson {
+      get { return loadCase_ == LoadOneofCase.Poisson ? (global::Grpc.Testing.PoissonParams) load_ : null; }
+      set {
+        load_ = value;
+        loadCase_ = value == null ? LoadOneofCase.None : LoadOneofCase.Poisson;
       }
     }
 
+    private object load_;
+    /// <summary>Enum of possible cases for the "load" oneof.</summary>
+    public enum LoadOneofCase {
+      None = 0,
+      ClosedLoop = 1,
+      Poisson = 2,
+    }
+    private LoadOneofCase loadCase_ = LoadOneofCase.None;
+    public LoadOneofCase LoadCase {
+      get { return loadCase_; }
+    }
+
+    public void ClearLoad() {
+      loadCase_ = LoadOneofCase.None;
+      load_ = null;
+    }
+
     public override bool Equals(object other) {
-      return Equals(other as DeterministicParams);
+      return Equals(other as LoadParams);
     }
 
-    public bool Equals(DeterministicParams other) {
+    public bool Equals(LoadParams other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
-      if (OfferedLoad != other.OfferedLoad) return false;
+      if (!object.Equals(ClosedLoop, other.ClosedLoop)) return false;
+      if (!object.Equals(Poisson, other.Poisson)) return false;
+      if (LoadCase != other.LoadCase) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
-      if (OfferedLoad != 0D) hash ^= OfferedLoad.GetHashCode();
+      if (loadCase_ == LoadOneofCase.ClosedLoop) hash ^= ClosedLoop.GetHashCode();
+      if (loadCase_ == LoadOneofCase.Poisson) hash ^= Poisson.GetHashCode();
+      hash ^= (int) loadCase_;
       return hash;
     }
 
@@ -417,27 +433,40 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      if (OfferedLoad != 0D) {
-        output.WriteRawTag(9);
-        output.WriteDouble(OfferedLoad);
+      if (loadCase_ == LoadOneofCase.ClosedLoop) {
+        output.WriteRawTag(10);
+        output.WriteMessage(ClosedLoop);
+      }
+      if (loadCase_ == LoadOneofCase.Poisson) {
+        output.WriteRawTag(18);
+        output.WriteMessage(Poisson);
       }
     }
 
     public int CalculateSize() {
       int size = 0;
-      if (OfferedLoad != 0D) {
-        size += 1 + 8;
+      if (loadCase_ == LoadOneofCase.ClosedLoop) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(ClosedLoop);
+      }
+      if (loadCase_ == LoadOneofCase.Poisson) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Poisson);
       }
       return size;
     }
 
-    public void MergeFrom(DeterministicParams other) {
+    public void MergeFrom(LoadParams other) {
       if (other == null) {
         return;
       }
-      if (other.OfferedLoad != 0D) {
-        OfferedLoad = other.OfferedLoad;
+      switch (other.LoadCase) {
+        case LoadOneofCase.ClosedLoop:
+          ClosedLoop = other.ClosedLoop;
+          break;
+        case LoadOneofCase.Poisson:
+          Poisson = other.Poisson;
+          break;
       }
+
     }
 
     public void MergeFrom(pb::CodedInputStream input) {
@@ -447,8 +476,22 @@ namespace Grpc.Testing {
           default:
             input.SkipLastField();
             break;
-          case 9: {
-            OfferedLoad = input.ReadDouble();
+          case 10: {
+            global::Grpc.Testing.ClosedLoopParams subBuilder = new global::Grpc.Testing.ClosedLoopParams();
+            if (loadCase_ == LoadOneofCase.ClosedLoop) {
+              subBuilder.MergeFrom(ClosedLoop);
+            }
+            input.ReadMessage(subBuilder);
+            ClosedLoop = subBuilder;
+            break;
+          }
+          case 18: {
+            global::Grpc.Testing.PoissonParams subBuilder = new global::Grpc.Testing.PoissonParams();
+            if (loadCase_ == LoadOneofCase.Poisson) {
+              subBuilder.MergeFrom(Poisson);
+            }
+            input.ReadMessage(subBuilder);
+            Poisson = subBuilder;
             break;
           }
         }
@@ -457,10 +500,13 @@ namespace Grpc.Testing {
 
   }
 
+  /// <summary>
+  ///  presence of SecurityParams implies use of TLS
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class ParetoParams : pb::IMessage<ParetoParams> {
-    private static readonly pb::MessageParser<ParetoParams> _parser = new pb::MessageParser<ParetoParams>(() => new ParetoParams());
-    public static pb::MessageParser<ParetoParams> Parser { get { return _parser; } }
+  public sealed partial class SecurityParams : pb::IMessage<SecurityParams> {
+    private static readonly pb::MessageParser<SecurityParams> _parser = new pb::MessageParser<SecurityParams>(() => new SecurityParams());
+    public static pb::MessageParser<SecurityParams> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
       get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[3]; }
@@ -470,61 +516,61 @@ namespace Grpc.Testing {
       get { return Descriptor; }
     }
 
-    public ParetoParams() {
+    public SecurityParams() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public ParetoParams(ParetoParams other) : this() {
-      interarrivalBase_ = other.interarrivalBase_;
-      alpha_ = other.alpha_;
+    public SecurityParams(SecurityParams other) : this() {
+      useTestCa_ = other.useTestCa_;
+      serverHostOverride_ = other.serverHostOverride_;
     }
 
-    public ParetoParams Clone() {
-      return new ParetoParams(this);
+    public SecurityParams Clone() {
+      return new SecurityParams(this);
     }
 
-    /// <summary>Field number for the "interarrival_base" field.</summary>
-    public const int InterarrivalBaseFieldNumber = 1;
-    private double interarrivalBase_;
-    public double InterarrivalBase {
-      get { return interarrivalBase_; }
+    /// <summary>Field number for the "use_test_ca" field.</summary>
+    public const int UseTestCaFieldNumber = 1;
+    private bool useTestCa_;
+    public bool UseTestCa {
+      get { return useTestCa_; }
       set {
-        interarrivalBase_ = value;
+        useTestCa_ = value;
       }
     }
 
-    /// <summary>Field number for the "alpha" field.</summary>
-    public const int AlphaFieldNumber = 2;
-    private double alpha_;
-    public double Alpha {
-      get { return alpha_; }
+    /// <summary>Field number for the "server_host_override" field.</summary>
+    public const int ServerHostOverrideFieldNumber = 2;
+    private string serverHostOverride_ = "";
+    public string ServerHostOverride {
+      get { return serverHostOverride_; }
       set {
-        alpha_ = value;
+        serverHostOverride_ = pb::Preconditions.CheckNotNull(value, "value");
       }
     }
 
     public override bool Equals(object other) {
-      return Equals(other as ParetoParams);
+      return Equals(other as SecurityParams);
     }
 
-    public bool Equals(ParetoParams other) {
+    public bool Equals(SecurityParams other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
-      if (InterarrivalBase != other.InterarrivalBase) return false;
-      if (Alpha != other.Alpha) return false;
+      if (UseTestCa != other.UseTestCa) return false;
+      if (ServerHostOverride != other.ServerHostOverride) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
-      if (InterarrivalBase != 0D) hash ^= InterarrivalBase.GetHashCode();
-      if (Alpha != 0D) hash ^= Alpha.GetHashCode();
+      if (UseTestCa != false) hash ^= UseTestCa.GetHashCode();
+      if (ServerHostOverride.Length != 0) hash ^= ServerHostOverride.GetHashCode();
       return hash;
     }
 
@@ -533,36 +579,36 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      if (InterarrivalBase != 0D) {
-        output.WriteRawTag(9);
-        output.WriteDouble(InterarrivalBase);
+      if (UseTestCa != false) {
+        output.WriteRawTag(8);
+        output.WriteBool(UseTestCa);
       }
-      if (Alpha != 0D) {
-        output.WriteRawTag(17);
-        output.WriteDouble(Alpha);
+      if (ServerHostOverride.Length != 0) {
+        output.WriteRawTag(18);
+        output.WriteString(ServerHostOverride);
       }
     }
 
     public int CalculateSize() {
       int size = 0;
-      if (InterarrivalBase != 0D) {
-        size += 1 + 8;
+      if (UseTestCa != false) {
+        size += 1 + 1;
       }
-      if (Alpha != 0D) {
-        size += 1 + 8;
+      if (ServerHostOverride.Length != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeStringSize(ServerHostOverride);
       }
       return size;
     }
 
-    public void MergeFrom(ParetoParams other) {
+    public void MergeFrom(SecurityParams other) {
       if (other == null) {
         return;
       }
-      if (other.InterarrivalBase != 0D) {
-        InterarrivalBase = other.InterarrivalBase;
+      if (other.UseTestCa != false) {
+        UseTestCa = other.UseTestCa;
       }
-      if (other.Alpha != 0D) {
-        Alpha = other.Alpha;
+      if (other.ServerHostOverride.Length != 0) {
+        ServerHostOverride = other.ServerHostOverride;
       }
     }
 
@@ -573,12 +619,12 @@ namespace Grpc.Testing {
           default:
             input.SkipLastField();
             break;
-          case 9: {
-            InterarrivalBase = input.ReadDouble();
+          case 8: {
+            UseTestCa = input.ReadBool();
             break;
           }
-          case 17: {
-            Alpha = input.ReadDouble();
+          case 18: {
+            ServerHostOverride = input.ReadString();
             break;
           }
         }
@@ -587,14 +633,10 @@ namespace Grpc.Testing {
 
   }
 
-  /// <summary>
-  ///  Once an RPC finishes, immediately start a new one.
-  ///  No configuration parameters needed.
-  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class ClosedLoopParams : pb::IMessage<ClosedLoopParams> {
-    private static readonly pb::MessageParser<ClosedLoopParams> _parser = new pb::MessageParser<ClosedLoopParams>(() => new ClosedLoopParams());
-    public static pb::MessageParser<ClosedLoopParams> Parser { get { return _parser; } }
+  public sealed partial class ClientConfig : pb::IMessage<ClientConfig> {
+    private static readonly pb::MessageParser<ClientConfig> _parser = new pb::MessageParser<ClientConfig>(() => new ClientConfig());
+    public static pb::MessageParser<ClientConfig> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
       get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[4]; }
@@ -604,35 +646,507 @@ namespace Grpc.Testing {
       get { return Descriptor; }
     }
 
-    public ClosedLoopParams() {
+    public ClientConfig() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public ClosedLoopParams(ClosedLoopParams other) : this() {
+    public ClientConfig(ClientConfig other) : this() {
+      serverTargets_ = other.serverTargets_.Clone();
+      clientType_ = other.clientType_;
+      SecurityParams = other.securityParams_ != null ? other.SecurityParams.Clone() : null;
+      outstandingRpcsPerChannel_ = other.outstandingRpcsPerChannel_;
+      clientChannels_ = other.clientChannels_;
+      asyncClientThreads_ = other.asyncClientThreads_;
+      rpcType_ = other.rpcType_;
+      LoadParams = other.loadParams_ != null ? other.LoadParams.Clone() : null;
+      PayloadConfig = other.payloadConfig_ != null ? other.PayloadConfig.Clone() : null;
+      HistogramParams = other.histogramParams_ != null ? other.HistogramParams.Clone() : null;
+      coreList_ = other.coreList_.Clone();
+      coreLimit_ = other.coreLimit_;
+      otherClientApi_ = other.otherClientApi_;
     }
 
-    public ClosedLoopParams Clone() {
-      return new ClosedLoopParams(this);
+    public ClientConfig Clone() {
+      return new ClientConfig(this);
     }
 
-    public override bool Equals(object other) {
-      return Equals(other as ClosedLoopParams);
+    /// <summary>Field number for the "server_targets" field.</summary>
+    public const int ServerTargetsFieldNumber = 1;
+    private static readonly pb::FieldCodec<string> _repeated_serverTargets_codec
+        = pb::FieldCodec.ForString(10);
+    private readonly pbc::RepeatedField<string> serverTargets_ = new pbc::RepeatedField<string>();
+    /// <summary>
+    ///  List of targets to connect to. At least one target needs to be specified.
+    /// </summary>
+    public pbc::RepeatedField<string> ServerTargets {
+      get { return serverTargets_; }
     }
 
-    public bool Equals(ClosedLoopParams other) {
-      if (ReferenceEquals(other, null)) {
-        return false;
+    /// <summary>Field number for the "client_type" field.</summary>
+    public const int ClientTypeFieldNumber = 2;
+    private global::Grpc.Testing.ClientType clientType_ = global::Grpc.Testing.ClientType.SYNC_CLIENT;
+    public global::Grpc.Testing.ClientType ClientType {
+      get { return clientType_; }
+      set {
+        clientType_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "security_params" field.</summary>
+    public const int SecurityParamsFieldNumber = 3;
+    private global::Grpc.Testing.SecurityParams securityParams_;
+    public global::Grpc.Testing.SecurityParams SecurityParams {
+      get { return securityParams_; }
+      set {
+        securityParams_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "outstanding_rpcs_per_channel" field.</summary>
+    public const int OutstandingRpcsPerChannelFieldNumber = 4;
+    private int outstandingRpcsPerChannel_;
+    /// <summary>
+    ///  How many concurrent RPCs to start for each channel.
+    ///  For synchronous client, use a separate thread for each outstanding RPC.
+    /// </summary>
+    public int OutstandingRpcsPerChannel {
+      get { return outstandingRpcsPerChannel_; }
+      set {
+        outstandingRpcsPerChannel_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "client_channels" field.</summary>
+    public const int ClientChannelsFieldNumber = 5;
+    private int clientChannels_;
+    /// <summary>
+    ///  Number of independent client channels to create.
+    ///  i-th channel will connect to server_target[i % server_targets.size()]
+    /// </summary>
+    public int ClientChannels {
+      get { return clientChannels_; }
+      set {
+        clientChannels_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "async_client_threads" field.</summary>
+    public const int AsyncClientThreadsFieldNumber = 7;
+    private int asyncClientThreads_;
+    /// <summary>
+    ///  Only for async client. Number of threads to use to start/manage RPCs.
+    /// </summary>
+    public int AsyncClientThreads {
+      get { return asyncClientThreads_; }
+      set {
+        asyncClientThreads_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "rpc_type" field.</summary>
+    public const int RpcTypeFieldNumber = 8;
+    private global::Grpc.Testing.RpcType rpcType_ = global::Grpc.Testing.RpcType.UNARY;
+    public global::Grpc.Testing.RpcType RpcType {
+      get { return rpcType_; }
+      set {
+        rpcType_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "load_params" field.</summary>
+    public const int LoadParamsFieldNumber = 10;
+    private global::Grpc.Testing.LoadParams loadParams_;
+    /// <summary>
+    ///  The requested load for the entire client (aggregated over all the threads).
+    /// </summary>
+    public global::Grpc.Testing.LoadParams LoadParams {
+      get { return loadParams_; }
+      set {
+        loadParams_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "payload_config" field.</summary>
+    public const int PayloadConfigFieldNumber = 11;
+    private global::Grpc.Testing.PayloadConfig payloadConfig_;
+    public global::Grpc.Testing.PayloadConfig PayloadConfig {
+      get { return payloadConfig_; }
+      set {
+        payloadConfig_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "histogram_params" field.</summary>
+    public const int HistogramParamsFieldNumber = 12;
+    private global::Grpc.Testing.HistogramParams histogramParams_;
+    public global::Grpc.Testing.HistogramParams HistogramParams {
+      get { return histogramParams_; }
+      set {
+        histogramParams_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "core_list" field.</summary>
+    public const int CoreListFieldNumber = 13;
+    private static readonly pb::FieldCodec<int> _repeated_coreList_codec
+        = pb::FieldCodec.ForInt32(106);
+    private readonly pbc::RepeatedField<int> coreList_ = new pbc::RepeatedField<int>();
+    /// <summary>
+    ///  Specify the cores we should run the client on, if desired
+    /// </summary>
+    public pbc::RepeatedField<int> CoreList {
+      get { return coreList_; }
+    }
+
+    /// <summary>Field number for the "core_limit" field.</summary>
+    public const int CoreLimitFieldNumber = 14;
+    private int coreLimit_;
+    public int CoreLimit {
+      get { return coreLimit_; }
+      set {
+        coreLimit_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "other_client_api" field.</summary>
+    public const int OtherClientApiFieldNumber = 15;
+    private string otherClientApi_ = "";
+    /// <summary>
+    ///  If we use an OTHER_CLIENT client_type, this string gives more detail
+    /// </summary>
+    public string OtherClientApi {
+      get { return otherClientApi_; }
+      set {
+        otherClientApi_ = pb::Preconditions.CheckNotNull(value, "value");
+      }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as ClientConfig);
+    }
+
+    public bool Equals(ClientConfig other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if(!serverTargets_.Equals(other.serverTargets_)) return false;
+      if (ClientType != other.ClientType) return false;
+      if (!object.Equals(SecurityParams, other.SecurityParams)) return false;
+      if (OutstandingRpcsPerChannel != other.OutstandingRpcsPerChannel) return false;
+      if (ClientChannels != other.ClientChannels) return false;
+      if (AsyncClientThreads != other.AsyncClientThreads) return false;
+      if (RpcType != other.RpcType) return false;
+      if (!object.Equals(LoadParams, other.LoadParams)) return false;
+      if (!object.Equals(PayloadConfig, other.PayloadConfig)) return false;
+      if (!object.Equals(HistogramParams, other.HistogramParams)) return false;
+      if(!coreList_.Equals(other.coreList_)) return false;
+      if (CoreLimit != other.CoreLimit) return false;
+      if (OtherClientApi != other.OtherClientApi) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      hash ^= serverTargets_.GetHashCode();
+      if (ClientType != global::Grpc.Testing.ClientType.SYNC_CLIENT) hash ^= ClientType.GetHashCode();
+      if (securityParams_ != null) hash ^= SecurityParams.GetHashCode();
+      if (OutstandingRpcsPerChannel != 0) hash ^= OutstandingRpcsPerChannel.GetHashCode();
+      if (ClientChannels != 0) hash ^= ClientChannels.GetHashCode();
+      if (AsyncClientThreads != 0) hash ^= AsyncClientThreads.GetHashCode();
+      if (RpcType != global::Grpc.Testing.RpcType.UNARY) hash ^= RpcType.GetHashCode();
+      if (loadParams_ != null) hash ^= LoadParams.GetHashCode();
+      if (payloadConfig_ != null) hash ^= PayloadConfig.GetHashCode();
+      if (histogramParams_ != null) hash ^= HistogramParams.GetHashCode();
+      hash ^= coreList_.GetHashCode();
+      if (CoreLimit != 0) hash ^= CoreLimit.GetHashCode();
+      if (OtherClientApi.Length != 0) hash ^= OtherClientApi.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.ToDiagnosticString(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      serverTargets_.WriteTo(output, _repeated_serverTargets_codec);
+      if (ClientType != global::Grpc.Testing.ClientType.SYNC_CLIENT) {
+        output.WriteRawTag(16);
+        output.WriteEnum((int) ClientType);
+      }
+      if (securityParams_ != null) {
+        output.WriteRawTag(26);
+        output.WriteMessage(SecurityParams);
+      }
+      if (OutstandingRpcsPerChannel != 0) {
+        output.WriteRawTag(32);
+        output.WriteInt32(OutstandingRpcsPerChannel);
+      }
+      if (ClientChannels != 0) {
+        output.WriteRawTag(40);
+        output.WriteInt32(ClientChannels);
+      }
+      if (AsyncClientThreads != 0) {
+        output.WriteRawTag(56);
+        output.WriteInt32(AsyncClientThreads);
+      }
+      if (RpcType != global::Grpc.Testing.RpcType.UNARY) {
+        output.WriteRawTag(64);
+        output.WriteEnum((int) RpcType);
+      }
+      if (loadParams_ != null) {
+        output.WriteRawTag(82);
+        output.WriteMessage(LoadParams);
+      }
+      if (payloadConfig_ != null) {
+        output.WriteRawTag(90);
+        output.WriteMessage(PayloadConfig);
+      }
+      if (histogramParams_ != null) {
+        output.WriteRawTag(98);
+        output.WriteMessage(HistogramParams);
+      }
+      coreList_.WriteTo(output, _repeated_coreList_codec);
+      if (CoreLimit != 0) {
+        output.WriteRawTag(112);
+        output.WriteInt32(CoreLimit);
+      }
+      if (OtherClientApi.Length != 0) {
+        output.WriteRawTag(122);
+        output.WriteString(OtherClientApi);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      size += serverTargets_.CalculateSize(_repeated_serverTargets_codec);
+      if (ClientType != global::Grpc.Testing.ClientType.SYNC_CLIENT) {
+        size += 1 + pb::CodedOutputStream.ComputeEnumSize((int) ClientType);
+      }
+      if (securityParams_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(SecurityParams);
+      }
+      if (OutstandingRpcsPerChannel != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(OutstandingRpcsPerChannel);
+      }
+      if (ClientChannels != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(ClientChannels);
+      }
+      if (AsyncClientThreads != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(AsyncClientThreads);
+      }
+      if (RpcType != global::Grpc.Testing.RpcType.UNARY) {
+        size += 1 + pb::CodedOutputStream.ComputeEnumSize((int) RpcType);
+      }
+      if (loadParams_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(LoadParams);
+      }
+      if (payloadConfig_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(PayloadConfig);
+      }
+      if (histogramParams_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(HistogramParams);
+      }
+      size += coreList_.CalculateSize(_repeated_coreList_codec);
+      if (CoreLimit != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(CoreLimit);
+      }
+      if (OtherClientApi.Length != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeStringSize(OtherClientApi);
+      }
+      return size;
+    }
+
+    public void MergeFrom(ClientConfig other) {
+      if (other == null) {
+        return;
+      }
+      serverTargets_.Add(other.serverTargets_);
+      if (other.ClientType != global::Grpc.Testing.ClientType.SYNC_CLIENT) {
+        ClientType = other.ClientType;
+      }
+      if (other.securityParams_ != null) {
+        if (securityParams_ == null) {
+          securityParams_ = new global::Grpc.Testing.SecurityParams();
+        }
+        SecurityParams.MergeFrom(other.SecurityParams);
+      }
+      if (other.OutstandingRpcsPerChannel != 0) {
+        OutstandingRpcsPerChannel = other.OutstandingRpcsPerChannel;
+      }
+      if (other.ClientChannels != 0) {
+        ClientChannels = other.ClientChannels;
+      }
+      if (other.AsyncClientThreads != 0) {
+        AsyncClientThreads = other.AsyncClientThreads;
+      }
+      if (other.RpcType != global::Grpc.Testing.RpcType.UNARY) {
+        RpcType = other.RpcType;
+      }
+      if (other.loadParams_ != null) {
+        if (loadParams_ == null) {
+          loadParams_ = new global::Grpc.Testing.LoadParams();
+        }
+        LoadParams.MergeFrom(other.LoadParams);
+      }
+      if (other.payloadConfig_ != null) {
+        if (payloadConfig_ == null) {
+          payloadConfig_ = new global::Grpc.Testing.PayloadConfig();
+        }
+        PayloadConfig.MergeFrom(other.PayloadConfig);
+      }
+      if (other.histogramParams_ != null) {
+        if (histogramParams_ == null) {
+          histogramParams_ = new global::Grpc.Testing.HistogramParams();
+        }
+        HistogramParams.MergeFrom(other.HistogramParams);
+      }
+      coreList_.Add(other.coreList_);
+      if (other.CoreLimit != 0) {
+        CoreLimit = other.CoreLimit;
+      }
+      if (other.OtherClientApi.Length != 0) {
+        OtherClientApi = other.OtherClientApi;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+          case 10: {
+            serverTargets_.AddEntriesFrom(input, _repeated_serverTargets_codec);
+            break;
+          }
+          case 16: {
+            clientType_ = (global::Grpc.Testing.ClientType) input.ReadEnum();
+            break;
+          }
+          case 26: {
+            if (securityParams_ == null) {
+              securityParams_ = new global::Grpc.Testing.SecurityParams();
+            }
+            input.ReadMessage(securityParams_);
+            break;
+          }
+          case 32: {
+            OutstandingRpcsPerChannel = input.ReadInt32();
+            break;
+          }
+          case 40: {
+            ClientChannels = input.ReadInt32();
+            break;
+          }
+          case 56: {
+            AsyncClientThreads = input.ReadInt32();
+            break;
+          }
+          case 64: {
+            rpcType_ = (global::Grpc.Testing.RpcType) input.ReadEnum();
+            break;
+          }
+          case 82: {
+            if (loadParams_ == null) {
+              loadParams_ = new global::Grpc.Testing.LoadParams();
+            }
+            input.ReadMessage(loadParams_);
+            break;
+          }
+          case 90: {
+            if (payloadConfig_ == null) {
+              payloadConfig_ = new global::Grpc.Testing.PayloadConfig();
+            }
+            input.ReadMessage(payloadConfig_);
+            break;
+          }
+          case 98: {
+            if (histogramParams_ == null) {
+              histogramParams_ = new global::Grpc.Testing.HistogramParams();
+            }
+            input.ReadMessage(histogramParams_);
+            break;
+          }
+          case 106:
+          case 104: {
+            coreList_.AddEntriesFrom(input, _repeated_coreList_codec);
+            break;
+          }
+          case 112: {
+            CoreLimit = input.ReadInt32();
+            break;
+          }
+          case 122: {
+            OtherClientApi = input.ReadString();
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class ClientStatus : pb::IMessage<ClientStatus> {
+    private static readonly pb::MessageParser<ClientStatus> _parser = new pb::MessageParser<ClientStatus>(() => new ClientStatus());
+    public static pb::MessageParser<ClientStatus> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[5]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public ClientStatus() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public ClientStatus(ClientStatus other) : this() {
+      Stats = other.stats_ != null ? other.Stats.Clone() : null;
+    }
+
+    public ClientStatus Clone() {
+      return new ClientStatus(this);
+    }
+
+    /// <summary>Field number for the "stats" field.</summary>
+    public const int StatsFieldNumber = 1;
+    private global::Grpc.Testing.ClientStats stats_;
+    public global::Grpc.Testing.ClientStats Stats {
+      get { return stats_; }
+      set {
+        stats_ = value;
+      }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as ClientStatus);
+    }
+
+    public bool Equals(ClientStatus other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
+      if (!object.Equals(Stats, other.Stats)) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
+      if (stats_ != null) hash ^= Stats.GetHashCode();
       return hash;
     }
 
@@ -641,17 +1155,30 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
+      if (stats_ != null) {
+        output.WriteRawTag(10);
+        output.WriteMessage(Stats);
+      }
     }
 
     public int CalculateSize() {
       int size = 0;
+      if (stats_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Stats);
+      }
       return size;
     }
 
-    public void MergeFrom(ClosedLoopParams other) {
+    public void MergeFrom(ClientStatus other) {
       if (other == null) {
         return;
       }
+      if (other.stats_ != null) {
+        if (stats_ == null) {
+          stats_ = new global::Grpc.Testing.ClientStats();
+        }
+        Stats.MergeFrom(other.Stats);
+      }
     }
 
     public void MergeFrom(pb::CodedInputStream input) {
@@ -661,154 +1188,80 @@ namespace Grpc.Testing {
           default:
             input.SkipLastField();
             break;
+          case 10: {
+            if (stats_ == null) {
+              stats_ = new global::Grpc.Testing.ClientStats();
+            }
+            input.ReadMessage(stats_);
+            break;
+          }
         }
       }
     }
 
   }
 
+  /// <summary>
+  ///  Request current stats
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class LoadParams : pb::IMessage<LoadParams> {
-    private static readonly pb::MessageParser<LoadParams> _parser = new pb::MessageParser<LoadParams>(() => new LoadParams());
-    public static pb::MessageParser<LoadParams> Parser { get { return _parser; } }
+  public sealed partial class Mark : pb::IMessage<Mark> {
+    private static readonly pb::MessageParser<Mark> _parser = new pb::MessageParser<Mark>(() => new Mark());
+    public static pb::MessageParser<Mark> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[5]; }
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[6]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
       get { return Descriptor; }
     }
 
-    public LoadParams() {
+    public Mark() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public LoadParams(LoadParams other) : this() {
-      switch (other.LoadCase) {
-        case LoadOneofCase.ClosedLoop:
-          ClosedLoop = other.ClosedLoop.Clone();
-          break;
-        case LoadOneofCase.Poisson:
-          Poisson = other.Poisson.Clone();
-          break;
-        case LoadOneofCase.Uniform:
-          Uniform = other.Uniform.Clone();
-          break;
-        case LoadOneofCase.Determ:
-          Determ = other.Determ.Clone();
-          break;
-        case LoadOneofCase.Pareto:
-          Pareto = other.Pareto.Clone();
-          break;
-      }
-
-    }
-
-    public LoadParams Clone() {
-      return new LoadParams(this);
-    }
-
-    /// <summary>Field number for the "closed_loop" field.</summary>
-    public const int ClosedLoopFieldNumber = 1;
-    public global::Grpc.Testing.ClosedLoopParams ClosedLoop {
-      get { return loadCase_ == LoadOneofCase.ClosedLoop ? (global::Grpc.Testing.ClosedLoopParams) load_ : null; }
-      set {
-        load_ = value;
-        loadCase_ = value == null ? LoadOneofCase.None : LoadOneofCase.ClosedLoop;
-      }
-    }
-
-    /// <summary>Field number for the "poisson" field.</summary>
-    public const int PoissonFieldNumber = 2;
-    public global::Grpc.Testing.PoissonParams Poisson {
-      get { return loadCase_ == LoadOneofCase.Poisson ? (global::Grpc.Testing.PoissonParams) load_ : null; }
-      set {
-        load_ = value;
-        loadCase_ = value == null ? LoadOneofCase.None : LoadOneofCase.Poisson;
-      }
-    }
-
-    /// <summary>Field number for the "uniform" field.</summary>
-    public const int UniformFieldNumber = 3;
-    public global::Grpc.Testing.UniformParams Uniform {
-      get { return loadCase_ == LoadOneofCase.Uniform ? (global::Grpc.Testing.UniformParams) load_ : null; }
-      set {
-        load_ = value;
-        loadCase_ = value == null ? LoadOneofCase.None : LoadOneofCase.Uniform;
-      }
+    public Mark(Mark other) : this() {
+      reset_ = other.reset_;
     }
 
-    /// <summary>Field number for the "determ" field.</summary>
-    public const int DetermFieldNumber = 4;
-    public global::Grpc.Testing.DeterministicParams Determ {
-      get { return loadCase_ == LoadOneofCase.Determ ? (global::Grpc.Testing.DeterministicParams) load_ : null; }
-      set {
-        load_ = value;
-        loadCase_ = value == null ? LoadOneofCase.None : LoadOneofCase.Determ;
-      }
+    public Mark Clone() {
+      return new Mark(this);
     }
 
-    /// <summary>Field number for the "pareto" field.</summary>
-    public const int ParetoFieldNumber = 5;
-    public global::Grpc.Testing.ParetoParams Pareto {
-      get { return loadCase_ == LoadOneofCase.Pareto ? (global::Grpc.Testing.ParetoParams) load_ : null; }
+    /// <summary>Field number for the "reset" field.</summary>
+    public const int ResetFieldNumber = 1;
+    private bool reset_;
+    /// <summary>
+    ///  if true, the stats will be reset after taking their snapshot.
+    /// </summary>
+    public bool Reset {
+      get { return reset_; }
       set {
-        load_ = value;
-        loadCase_ = value == null ? LoadOneofCase.None : LoadOneofCase.Pareto;
+        reset_ = value;
       }
     }
 
-    private object load_;
-    /// <summary>Enum of possible cases for the "load" oneof.</summary>
-    public enum LoadOneofCase {
-      None = 0,
-      ClosedLoop = 1,
-      Poisson = 2,
-      Uniform = 3,
-      Determ = 4,
-      Pareto = 5,
-    }
-    private LoadOneofCase loadCase_ = LoadOneofCase.None;
-    public LoadOneofCase LoadCase {
-      get { return loadCase_; }
-    }
-
-    public void ClearLoad() {
-      loadCase_ = LoadOneofCase.None;
-      load_ = null;
-    }
-
     public override bool Equals(object other) {
-      return Equals(other as LoadParams);
+      return Equals(other as Mark);
     }
 
-    public bool Equals(LoadParams other) {
+    public bool Equals(Mark other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
-      if (!object.Equals(ClosedLoop, other.ClosedLoop)) return false;
-      if (!object.Equals(Poisson, other.Poisson)) return false;
-      if (!object.Equals(Uniform, other.Uniform)) return false;
-      if (!object.Equals(Determ, other.Determ)) return false;
-      if (!object.Equals(Pareto, other.Pareto)) return false;
-      if (LoadCase != other.LoadCase) return false;
+      if (Reset != other.Reset) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
-      if (loadCase_ == LoadOneofCase.ClosedLoop) hash ^= ClosedLoop.GetHashCode();
-      if (loadCase_ == LoadOneofCase.Poisson) hash ^= Poisson.GetHashCode();
-      if (loadCase_ == LoadOneofCase.Uniform) hash ^= Uniform.GetHashCode();
-      if (loadCase_ == LoadOneofCase.Determ) hash ^= Determ.GetHashCode();
-      if (loadCase_ == LoadOneofCase.Pareto) hash ^= Pareto.GetHashCode();
-      hash ^= (int) loadCase_;
+      if (Reset != false) hash ^= Reset.GetHashCode();
       return hash;
     }
 
@@ -817,70 +1270,27 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      if (loadCase_ == LoadOneofCase.ClosedLoop) {
-        output.WriteRawTag(10);
-        output.WriteMessage(ClosedLoop);
-      }
-      if (loadCase_ == LoadOneofCase.Poisson) {
-        output.WriteRawTag(18);
-        output.WriteMessage(Poisson);
-      }
-      if (loadCase_ == LoadOneofCase.Uniform) {
-        output.WriteRawTag(26);
-        output.WriteMessage(Uniform);
-      }
-      if (loadCase_ == LoadOneofCase.Determ) {
-        output.WriteRawTag(34);
-        output.WriteMessage(Determ);
-      }
-      if (loadCase_ == LoadOneofCase.Pareto) {
-        output.WriteRawTag(42);
-        output.WriteMessage(Pareto);
+      if (Reset != false) {
+        output.WriteRawTag(8);
+        output.WriteBool(Reset);
       }
     }
 
     public int CalculateSize() {
       int size = 0;
-      if (loadCase_ == LoadOneofCase.ClosedLoop) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(ClosedLoop);
-      }
-      if (loadCase_ == LoadOneofCase.Poisson) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Poisson);
-      }
-      if (loadCase_ == LoadOneofCase.Uniform) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Uniform);
-      }
-      if (loadCase_ == LoadOneofCase.Determ) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Determ);
-      }
-      if (loadCase_ == LoadOneofCase.Pareto) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Pareto);
+      if (Reset != false) {
+        size += 1 + 1;
       }
       return size;
     }
 
-    public void MergeFrom(LoadParams other) {
+    public void MergeFrom(Mark other) {
       if (other == null) {
         return;
       }
-      switch (other.LoadCase) {
-        case LoadOneofCase.ClosedLoop:
-          ClosedLoop = other.ClosedLoop;
-          break;
-        case LoadOneofCase.Poisson:
-          Poisson = other.Poisson;
-          break;
-        case LoadOneofCase.Uniform:
-          Uniform = other.Uniform;
-          break;
-        case LoadOneofCase.Determ:
-          Determ = other.Determ;
-          break;
-        case LoadOneofCase.Pareto:
-          Pareto = other.Pareto;
-          break;
+      if (other.Reset != false) {
+        Reset = other.Reset;
       }
-
     }
 
     public void MergeFrom(pb::CodedInputStream input) {
@@ -890,49 +1300,8 @@ namespace Grpc.Testing {
           default:
             input.SkipLastField();
             break;
-          case 10: {
-            global::Grpc.Testing.ClosedLoopParams subBuilder = new global::Grpc.Testing.ClosedLoopParams();
-            if (loadCase_ == LoadOneofCase.ClosedLoop) {
-              subBuilder.MergeFrom(ClosedLoop);
-            }
-            input.ReadMessage(subBuilder);
-            ClosedLoop = subBuilder;
-            break;
-          }
-          case 18: {
-            global::Grpc.Testing.PoissonParams subBuilder = new global::Grpc.Testing.PoissonParams();
-            if (loadCase_ == LoadOneofCase.Poisson) {
-              subBuilder.MergeFrom(Poisson);
-            }
-            input.ReadMessage(subBuilder);
-            Poisson = subBuilder;
-            break;
-          }
-          case 26: {
-            global::Grpc.Testing.UniformParams subBuilder = new global::Grpc.Testing.UniformParams();
-            if (loadCase_ == LoadOneofCase.Uniform) {
-              subBuilder.MergeFrom(Uniform);
-            }
-            input.ReadMessage(subBuilder);
-            Uniform = subBuilder;
-            break;
-          }
-          case 34: {
-            global::Grpc.Testing.DeterministicParams subBuilder = new global::Grpc.Testing.DeterministicParams();
-            if (loadCase_ == LoadOneofCase.Determ) {
-              subBuilder.MergeFrom(Determ);
-            }
-            input.ReadMessage(subBuilder);
-            Determ = subBuilder;
-            break;
-          }
-          case 42: {
-            global::Grpc.Testing.ParetoParams subBuilder = new global::Grpc.Testing.ParetoParams();
-            if (loadCase_ == LoadOneofCase.Pareto) {
-              subBuilder.MergeFrom(Pareto);
-            }
-            input.ReadMessage(subBuilder);
-            Pareto = subBuilder;
+          case 8: {
+            Reset = input.ReadBool();
             break;
           }
         }
@@ -941,77 +1310,100 @@ namespace Grpc.Testing {
 
   }
 
-  /// <summary>
-  ///  presence of SecurityParams implies use of TLS
-  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class SecurityParams : pb::IMessage<SecurityParams> {
-    private static readonly pb::MessageParser<SecurityParams> _parser = new pb::MessageParser<SecurityParams>(() => new SecurityParams());
-    public static pb::MessageParser<SecurityParams> Parser { get { return _parser; } }
+  public sealed partial class ClientArgs : pb::IMessage<ClientArgs> {
+    private static readonly pb::MessageParser<ClientArgs> _parser = new pb::MessageParser<ClientArgs>(() => new ClientArgs());
+    public static pb::MessageParser<ClientArgs> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[6]; }
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[7]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
       get { return Descriptor; }
     }
 
-    public SecurityParams() {
+    public ClientArgs() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public SecurityParams(SecurityParams other) : this() {
-      useTestCa_ = other.useTestCa_;
-      serverHostOverride_ = other.serverHostOverride_;
+    public ClientArgs(ClientArgs other) : this() {
+      switch (other.ArgtypeCase) {
+        case ArgtypeOneofCase.Setup:
+          Setup = other.Setup.Clone();
+          break;
+        case ArgtypeOneofCase.Mark:
+          Mark = other.Mark.Clone();
+          break;
+      }
+
     }
 
-    public SecurityParams Clone() {
-      return new SecurityParams(this);
+    public ClientArgs Clone() {
+      return new ClientArgs(this);
     }
 
-    /// <summary>Field number for the "use_test_ca" field.</summary>
-    public const int UseTestCaFieldNumber = 1;
-    private bool useTestCa_;
-    public bool UseTestCa {
-      get { return useTestCa_; }
+    /// <summary>Field number for the "setup" field.</summary>
+    public const int SetupFieldNumber = 1;
+    public global::Grpc.Testing.ClientConfig Setup {
+      get { return argtypeCase_ == ArgtypeOneofCase.Setup ? (global::Grpc.Testing.ClientConfig) argtype_ : null; }
       set {
-        useTestCa_ = value;
+        argtype_ = value;
+        argtypeCase_ = value == null ? ArgtypeOneofCase.None : ArgtypeOneofCase.Setup;
       }
     }
 
-    /// <summary>Field number for the "server_host_override" field.</summary>
-    public const int ServerHostOverrideFieldNumber = 2;
-    private string serverHostOverride_ = "";
-    public string ServerHostOverride {
-      get { return serverHostOverride_; }
+    /// <summary>Field number for the "mark" field.</summary>
+    public const int MarkFieldNumber = 2;
+    public global::Grpc.Testing.Mark Mark {
+      get { return argtypeCase_ == ArgtypeOneofCase.Mark ? (global::Grpc.Testing.Mark) argtype_ : null; }
       set {
-        serverHostOverride_ = pb::Preconditions.CheckNotNull(value, "value");
+        argtype_ = value;
+        argtypeCase_ = value == null ? ArgtypeOneofCase.None : ArgtypeOneofCase.Mark;
       }
     }
 
+    private object argtype_;
+    /// <summary>Enum of possible cases for the "argtype" oneof.</summary>
+    public enum ArgtypeOneofCase {
+      None = 0,
+      Setup = 1,
+      Mark = 2,
+    }
+    private ArgtypeOneofCase argtypeCase_ = ArgtypeOneofCase.None;
+    public ArgtypeOneofCase ArgtypeCase {
+      get { return argtypeCase_; }
+    }
+
+    public void ClearArgtype() {
+      argtypeCase_ = ArgtypeOneofCase.None;
+      argtype_ = null;
+    }
+
     public override bool Equals(object other) {
-      return Equals(other as SecurityParams);
+      return Equals(other as ClientArgs);
     }
 
-    public bool Equals(SecurityParams other) {
+    public bool Equals(ClientArgs other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
-      if (UseTestCa != other.UseTestCa) return false;
-      if (ServerHostOverride != other.ServerHostOverride) return false;
+      if (!object.Equals(Setup, other.Setup)) return false;
+      if (!object.Equals(Mark, other.Mark)) return false;
+      if (ArgtypeCase != other.ArgtypeCase) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
-      if (UseTestCa != false) hash ^= UseTestCa.GetHashCode();
-      if (ServerHostOverride.Length != 0) hash ^= ServerHostOverride.GetHashCode();
+      if (argtypeCase_ == ArgtypeOneofCase.Setup) hash ^= Setup.GetHashCode();
+      if (argtypeCase_ == ArgtypeOneofCase.Mark) hash ^= Mark.GetHashCode();
+      hash ^= (int) argtypeCase_;
       return hash;
     }
 
@@ -1020,37 +1412,40 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      if (UseTestCa != false) {
-        output.WriteRawTag(8);
-        output.WriteBool(UseTestCa);
+      if (argtypeCase_ == ArgtypeOneofCase.Setup) {
+        output.WriteRawTag(10);
+        output.WriteMessage(Setup);
       }
-      if (ServerHostOverride.Length != 0) {
+      if (argtypeCase_ == ArgtypeOneofCase.Mark) {
         output.WriteRawTag(18);
-        output.WriteString(ServerHostOverride);
+        output.WriteMessage(Mark);
       }
     }
 
     public int CalculateSize() {
       int size = 0;
-      if (UseTestCa != false) {
-        size += 1 + 1;
+      if (argtypeCase_ == ArgtypeOneofCase.Setup) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Setup);
       }
-      if (ServerHostOverride.Length != 0) {
-        size += 1 + pb::CodedOutputStream.ComputeStringSize(ServerHostOverride);
+      if (argtypeCase_ == ArgtypeOneofCase.Mark) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Mark);
       }
       return size;
     }
 
-    public void MergeFrom(SecurityParams other) {
+    public void MergeFrom(ClientArgs other) {
       if (other == null) {
         return;
       }
-      if (other.UseTestCa != false) {
-        UseTestCa = other.UseTestCa;
-      }
-      if (other.ServerHostOverride.Length != 0) {
-        ServerHostOverride = other.ServerHostOverride;
+      switch (other.ArgtypeCase) {
+        case ArgtypeOneofCase.Setup:
+          Setup = other.Setup;
+          break;
+        case ArgtypeOneofCase.Mark:
+          Mark = other.Mark;
+          break;
       }
+
     }
 
     public void MergeFrom(pb::CodedInputStream input) {
@@ -1060,12 +1455,22 @@ namespace Grpc.Testing {
           default:
             input.SkipLastField();
             break;
-          case 8: {
-            UseTestCa = input.ReadBool();
+          case 10: {
+            global::Grpc.Testing.ClientConfig subBuilder = new global::Grpc.Testing.ClientConfig();
+            if (argtypeCase_ == ArgtypeOneofCase.Setup) {
+              subBuilder.MergeFrom(Setup);
+            }
+            input.ReadMessage(subBuilder);
+            Setup = subBuilder;
             break;
           }
           case 18: {
-            ServerHostOverride = input.ReadString();
+            global::Grpc.Testing.Mark subBuilder = new global::Grpc.Testing.Mark();
+            if (argtypeCase_ == ArgtypeOneofCase.Mark) {
+              subBuilder.MergeFrom(Mark);
+            }
+            input.ReadMessage(subBuilder);
+            Mark = subBuilder;
             break;
           }
         }
@@ -1075,67 +1480,51 @@ namespace Grpc.Testing {
   }
 
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class ClientConfig : pb::IMessage<ClientConfig> {
-    private static readonly pb::MessageParser<ClientConfig> _parser = new pb::MessageParser<ClientConfig>(() => new ClientConfig());
-    public static pb::MessageParser<ClientConfig> Parser { get { return _parser; } }
+  public sealed partial class ServerConfig : pb::IMessage<ServerConfig> {
+    private static readonly pb::MessageParser<ServerConfig> _parser = new pb::MessageParser<ServerConfig>(() => new ServerConfig());
+    public static pb::MessageParser<ServerConfig> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[7]; }
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[8]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
       get { return Descriptor; }
     }
 
-    public ClientConfig() {
+    public ServerConfig() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public ClientConfig(ClientConfig other) : this() {
-      serverTargets_ = other.serverTargets_.Clone();
-      clientType_ = other.clientType_;
+    public ServerConfig(ServerConfig other) : this() {
+      serverType_ = other.serverType_;
       SecurityParams = other.securityParams_ != null ? other.SecurityParams.Clone() : null;
-      outstandingRpcsPerChannel_ = other.outstandingRpcsPerChannel_;
-      clientChannels_ = other.clientChannels_;
-      asyncClientThreads_ = other.asyncClientThreads_;
-      rpcType_ = other.rpcType_;
-      LoadParams = other.loadParams_ != null ? other.LoadParams.Clone() : null;
+      port_ = other.port_;
+      asyncServerThreads_ = other.asyncServerThreads_;
+      coreLimit_ = other.coreLimit_;
       PayloadConfig = other.payloadConfig_ != null ? other.PayloadConfig.Clone() : null;
-      HistogramParams = other.histogramParams_ != null ? other.HistogramParams.Clone() : null;
       coreList_ = other.coreList_.Clone();
-      coreLimit_ = other.coreLimit_;
-    }
-
-    public ClientConfig Clone() {
-      return new ClientConfig(this);
+      otherServerApi_ = other.otherServerApi_;
     }
 
-    /// <summary>Field number for the "server_targets" field.</summary>
-    public const int ServerTargetsFieldNumber = 1;
-    private static readonly pb::FieldCodec<string> _repeated_serverTargets_codec
-        = pb::FieldCodec.ForString(10);
-    private readonly pbc::RepeatedField<string> serverTargets_ = new pbc::RepeatedField<string>();
-    /// <summary>
-    ///  List of targets to connect to. At least one target needs to be specified.
-    /// </summary>
-    public pbc::RepeatedField<string> ServerTargets {
-      get { return serverTargets_; }
+    public ServerConfig Clone() {
+      return new ServerConfig(this);
     }
 
-    /// <summary>Field number for the "client_type" field.</summary>
-    public const int ClientTypeFieldNumber = 2;
-    private global::Grpc.Testing.ClientType clientType_ = global::Grpc.Testing.ClientType.SYNC_CLIENT;
-    public global::Grpc.Testing.ClientType ClientType {
-      get { return clientType_; }
+    /// <summary>Field number for the "server_type" field.</summary>
+    public const int ServerTypeFieldNumber = 1;
+    private global::Grpc.Testing.ServerType serverType_ = global::Grpc.Testing.ServerType.SYNC_SERVER;
+    public global::Grpc.Testing.ServerType ServerType {
+      get { return serverType_; }
       set {
-        clientType_ = value;
+        serverType_ = value;
       }
     }
 
     /// <summary>Field number for the "security_params" field.</summary>
-    public const int SecurityParamsFieldNumber = 3;
+    public const int SecurityParamsFieldNumber = 2;
     private global::Grpc.Testing.SecurityParams securityParams_;
     public global::Grpc.Testing.SecurityParams SecurityParams {
       get { return securityParams_; }
@@ -1144,73 +1533,51 @@ namespace Grpc.Testing {
       }
     }
 
-    /// <summary>Field number for the "outstanding_rpcs_per_channel" field.</summary>
-    public const int OutstandingRpcsPerChannelFieldNumber = 4;
-    private int outstandingRpcsPerChannel_;
-    /// <summary>
-    ///  How many concurrent RPCs to start for each channel.
-    ///  For synchronous client, use a separate thread for each outstanding RPC.
-    /// </summary>
-    public int OutstandingRpcsPerChannel {
-      get { return outstandingRpcsPerChannel_; }
-      set {
-        outstandingRpcsPerChannel_ = value;
-      }
-    }
-
-    /// <summary>Field number for the "client_channels" field.</summary>
-    public const int ClientChannelsFieldNumber = 5;
-    private int clientChannels_;
+    /// <summary>Field number for the "port" field.</summary>
+    public const int PortFieldNumber = 4;
+    private int port_;
     /// <summary>
-    ///  Number of independent client channels to create.
-    ///  i-th channel will connect to server_target[i % server_targets.size()]
+    ///  Port on which to listen. Zero means pick unused port.
     /// </summary>
-    public int ClientChannels {
-      get { return clientChannels_; }
+    public int Port {
+      get { return port_; }
       set {
-        clientChannels_ = value;
+        port_ = value;
       }
     }
 
-    /// <summary>Field number for the "async_client_threads" field.</summary>
-    public const int AsyncClientThreadsFieldNumber = 7;
-    private int asyncClientThreads_;
+    /// <summary>Field number for the "async_server_threads" field.</summary>
+    public const int AsyncServerThreadsFieldNumber = 7;
+    private int asyncServerThreads_;
     /// <summary>
-    ///  Only for async client. Number of threads to use to start/manage RPCs.
+    ///  Only for async server. Number of threads used to serve the requests.
     /// </summary>
-    public int AsyncClientThreads {
-      get { return asyncClientThreads_; }
-      set {
-        asyncClientThreads_ = value;
-      }
-    }
-
-    /// <summary>Field number for the "rpc_type" field.</summary>
-    public const int RpcTypeFieldNumber = 8;
-    private global::Grpc.Testing.RpcType rpcType_ = global::Grpc.Testing.RpcType.UNARY;
-    public global::Grpc.Testing.RpcType RpcType {
-      get { return rpcType_; }
+    public int AsyncServerThreads {
+      get { return asyncServerThreads_; }
       set {
-        rpcType_ = value;
+        asyncServerThreads_ = value;
       }
     }
 
-    /// <summary>Field number for the "load_params" field.</summary>
-    public const int LoadParamsFieldNumber = 10;
-    private global::Grpc.Testing.LoadParams loadParams_;
+    /// <summary>Field number for the "core_limit" field.</summary>
+    public const int CoreLimitFieldNumber = 8;
+    private int coreLimit_;
     /// <summary>
-    ///  The requested load for the entire client (aggregated over all the threads).
+    ///  Specify the number of cores to limit server to, if desired
     /// </summary>
-    public global::Grpc.Testing.LoadParams LoadParams {
-      get { return loadParams_; }
+    public int CoreLimit {
+      get { return coreLimit_; }
       set {
-        loadParams_ = value;
+        coreLimit_ = value;
       }
     }
 
     /// <summary>Field number for the "payload_config" field.</summary>
-    public const int PayloadConfigFieldNumber = 11;
+    public const int PayloadConfigFieldNumber = 9;
     private global::Grpc.Testing.PayloadConfig payloadConfig_;
+    /// <summary>
+    ///  payload config, used in generic server
+    /// </summary>
     public global::Grpc.Testing.PayloadConfig PayloadConfig {
       get { return payloadConfig_; }
       set {
@@ -1218,78 +1585,63 @@ namespace Grpc.Testing {
       }
     }
 
-    /// <summary>Field number for the "histogram_params" field.</summary>
-    public const int HistogramParamsFieldNumber = 12;
-    private global::Grpc.Testing.HistogramParams histogramParams_;
-    public global::Grpc.Testing.HistogramParams HistogramParams {
-      get { return histogramParams_; }
-      set {
-        histogramParams_ = value;
-      }
-    }
-
     /// <summary>Field number for the "core_list" field.</summary>
-    public const int CoreListFieldNumber = 13;
+    public const int CoreListFieldNumber = 10;
     private static readonly pb::FieldCodec<int> _repeated_coreList_codec
-        = pb::FieldCodec.ForInt32(106);
+        = pb::FieldCodec.ForInt32(82);
     private readonly pbc::RepeatedField<int> coreList_ = new pbc::RepeatedField<int>();
     /// <summary>
-    ///  Specify the cores we should run the client on, if desired
+    ///  Specify the cores we should run the server on, if desired
     /// </summary>
     public pbc::RepeatedField<int> CoreList {
       get { return coreList_; }
     }
 
-    /// <summary>Field number for the "core_limit" field.</summary>
-    public const int CoreLimitFieldNumber = 14;
-    private int coreLimit_;
-    public int CoreLimit {
-      get { return coreLimit_; }
+    /// <summary>Field number for the "other_server_api" field.</summary>
+    public const int OtherServerApiFieldNumber = 11;
+    private string otherServerApi_ = "";
+    /// <summary>
+    ///  If we use an OTHER_SERVER client_type, this string gives more detail
+    /// </summary>
+    public string OtherServerApi {
+      get { return otherServerApi_; }
       set {
-        coreLimit_ = value;
+        otherServerApi_ = pb::Preconditions.CheckNotNull(value, "value");
       }
     }
 
     public override bool Equals(object other) {
-      return Equals(other as ClientConfig);
+      return Equals(other as ServerConfig);
     }
 
-    public bool Equals(ClientConfig other) {
+    public bool Equals(ServerConfig other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
-      if(!serverTargets_.Equals(other.serverTargets_)) return false;
-      if (ClientType != other.ClientType) return false;
-      if (!object.Equals(SecurityParams, other.SecurityParams)) return false;
-      if (OutstandingRpcsPerChannel != other.OutstandingRpcsPerChannel) return false;
-      if (ClientChannels != other.ClientChannels) return false;
-      if (AsyncClientThreads != other.AsyncClientThreads) return false;
-      if (RpcType != other.RpcType) return false;
-      if (!object.Equals(LoadParams, other.LoadParams)) return false;
+      if (ServerType != other.ServerType) return false;
+      if (!object.Equals(SecurityParams, other.SecurityParams)) return false;
+      if (Port != other.Port) return false;
+      if (AsyncServerThreads != other.AsyncServerThreads) return false;
+      if (CoreLimit != other.CoreLimit) return false;
       if (!object.Equals(PayloadConfig, other.PayloadConfig)) return false;
-      if (!object.Equals(HistogramParams, other.HistogramParams)) return false;
       if(!coreList_.Equals(other.coreList_)) return false;
-      if (CoreLimit != other.CoreLimit) return false;
+      if (OtherServerApi != other.OtherServerApi) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
-      hash ^= serverTargets_.GetHashCode();
-      if (ClientType != global::Grpc.Testing.ClientType.SYNC_CLIENT) hash ^= ClientType.GetHashCode();
+      if (ServerType != global::Grpc.Testing.ServerType.SYNC_SERVER) hash ^= ServerType.GetHashCode();
       if (securityParams_ != null) hash ^= SecurityParams.GetHashCode();
-      if (OutstandingRpcsPerChannel != 0) hash ^= OutstandingRpcsPerChannel.GetHashCode();
-      if (ClientChannels != 0) hash ^= ClientChannels.GetHashCode();
-      if (AsyncClientThreads != 0) hash ^= AsyncClientThreads.GetHashCode();
-      if (RpcType != global::Grpc.Testing.RpcType.UNARY) hash ^= RpcType.GetHashCode();
-      if (loadParams_ != null) hash ^= LoadParams.GetHashCode();
+      if (Port != 0) hash ^= Port.GetHashCode();
+      if (AsyncServerThreads != 0) hash ^= AsyncServerThreads.GetHashCode();
+      if (CoreLimit != 0) hash ^= CoreLimit.GetHashCode();
       if (payloadConfig_ != null) hash ^= PayloadConfig.GetHashCode();
-      if (histogramParams_ != null) hash ^= HistogramParams.GetHashCode();
       hash ^= coreList_.GetHashCode();
-      if (CoreLimit != 0) hash ^= CoreLimit.GetHashCode();
+      if (OtherServerApi.Length != 0) hash ^= OtherServerApi.GetHashCode();
       return hash;
     }
 
@@ -1298,94 +1650,70 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      serverTargets_.WriteTo(output, _repeated_serverTargets_codec);
-      if (ClientType != global::Grpc.Testing.ClientType.SYNC_CLIENT) {
-        output.WriteRawTag(16);
-        output.WriteEnum((int) ClientType);
+      if (ServerType != global::Grpc.Testing.ServerType.SYNC_SERVER) {
+        output.WriteRawTag(8);
+        output.WriteEnum((int) ServerType);
       }
       if (securityParams_ != null) {
-        output.WriteRawTag(26);
+        output.WriteRawTag(18);
         output.WriteMessage(SecurityParams);
       }
-      if (OutstandingRpcsPerChannel != 0) {
+      if (Port != 0) {
         output.WriteRawTag(32);
-        output.WriteInt32(OutstandingRpcsPerChannel);
-      }
-      if (ClientChannels != 0) {
-        output.WriteRawTag(40);
-        output.WriteInt32(ClientChannels);
+        output.WriteInt32(Port);
       }
-      if (AsyncClientThreads != 0) {
+      if (AsyncServerThreads != 0) {
         output.WriteRawTag(56);
-        output.WriteInt32(AsyncClientThreads);
+        output.WriteInt32(AsyncServerThreads);
       }
-      if (RpcType != global::Grpc.Testing.RpcType.UNARY) {
+      if (CoreLimit != 0) {
         output.WriteRawTag(64);
-        output.WriteEnum((int) RpcType);
-      }
-      if (loadParams_ != null) {
-        output.WriteRawTag(82);
-        output.WriteMessage(LoadParams);
+        output.WriteInt32(CoreLimit);
       }
       if (payloadConfig_ != null) {
-        output.WriteRawTag(90);
+        output.WriteRawTag(74);
         output.WriteMessage(PayloadConfig);
       }
-      if (histogramParams_ != null) {
-        output.WriteRawTag(98);
-        output.WriteMessage(HistogramParams);
-      }
       coreList_.WriteTo(output, _repeated_coreList_codec);
-      if (CoreLimit != 0) {
-        output.WriteRawTag(112);
-        output.WriteInt32(CoreLimit);
+      if (OtherServerApi.Length != 0) {
+        output.WriteRawTag(90);
+        output.WriteString(OtherServerApi);
       }
     }
 
     public int CalculateSize() {
       int size = 0;
-      size += serverTargets_.CalculateSize(_repeated_serverTargets_codec);
-      if (ClientType != global::Grpc.Testing.ClientType.SYNC_CLIENT) {
-        size += 1 + pb::CodedOutputStream.ComputeEnumSize((int) ClientType);
+      if (ServerType != global::Grpc.Testing.ServerType.SYNC_SERVER) {
+        size += 1 + pb::CodedOutputStream.ComputeEnumSize((int) ServerType);
       }
       if (securityParams_ != null) {
         size += 1 + pb::CodedOutputStream.ComputeMessageSize(SecurityParams);
       }
-      if (OutstandingRpcsPerChannel != 0) {
-        size += 1 + pb::CodedOutputStream.ComputeInt32Size(OutstandingRpcsPerChannel);
-      }
-      if (ClientChannels != 0) {
-        size += 1 + pb::CodedOutputStream.ComputeInt32Size(ClientChannels);
-      }
-      if (AsyncClientThreads != 0) {
-        size += 1 + pb::CodedOutputStream.ComputeInt32Size(AsyncClientThreads);
+      if (Port != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Port);
       }
-      if (RpcType != global::Grpc.Testing.RpcType.UNARY) {
-        size += 1 + pb::CodedOutputStream.ComputeEnumSize((int) RpcType);
+      if (AsyncServerThreads != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(AsyncServerThreads);
       }
-      if (loadParams_ != null) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(LoadParams);
+      if (CoreLimit != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(CoreLimit);
       }
       if (payloadConfig_ != null) {
         size += 1 + pb::CodedOutputStream.ComputeMessageSize(PayloadConfig);
       }
-      if (histogramParams_ != null) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(HistogramParams);
-      }
       size += coreList_.CalculateSize(_repeated_coreList_codec);
-      if (CoreLimit != 0) {
-        size += 1 + pb::CodedOutputStream.ComputeInt32Size(CoreLimit);
+      if (OtherServerApi.Length != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeStringSize(OtherServerApi);
       }
       return size;
     }
 
-    public void MergeFrom(ClientConfig other) {
+    public void MergeFrom(ServerConfig other) {
       if (other == null) {
         return;
       }
-      serverTargets_.Add(other.serverTargets_);
-      if (other.ClientType != global::Grpc.Testing.ClientType.SYNC_CLIENT) {
-        ClientType = other.ClientType;
+      if (other.ServerType != global::Grpc.Testing.ServerType.SYNC_SERVER) {
+        ServerType = other.ServerType;
       }
       if (other.securityParams_ != null) {
         if (securityParams_ == null) {
@@ -1393,23 +1721,14 @@ namespace Grpc.Testing {
         }
         SecurityParams.MergeFrom(other.SecurityParams);
       }
-      if (other.OutstandingRpcsPerChannel != 0) {
-        OutstandingRpcsPerChannel = other.OutstandingRpcsPerChannel;
-      }
-      if (other.ClientChannels != 0) {
-        ClientChannels = other.ClientChannels;
-      }
-      if (other.AsyncClientThreads != 0) {
-        AsyncClientThreads = other.AsyncClientThreads;
+      if (other.Port != 0) {
+        Port = other.Port;
       }
-      if (other.RpcType != global::Grpc.Testing.RpcType.UNARY) {
-        RpcType = other.RpcType;
+      if (other.AsyncServerThreads != 0) {
+        AsyncServerThreads = other.AsyncServerThreads;
       }
-      if (other.loadParams_ != null) {
-        if (loadParams_ == null) {
-          loadParams_ = new global::Grpc.Testing.LoadParams();
-        }
-        LoadParams.MergeFrom(other.LoadParams);
+      if (other.CoreLimit != 0) {
+        CoreLimit = other.CoreLimit;
       }
       if (other.payloadConfig_ != null) {
         if (payloadConfig_ == null) {
@@ -1417,15 +1736,9 @@ namespace Grpc.Testing {
         }
         PayloadConfig.MergeFrom(other.PayloadConfig);
       }
-      if (other.histogramParams_ != null) {
-        if (histogramParams_ == null) {
-          histogramParams_ = new global::Grpc.Testing.HistogramParams();
-        }
-        HistogramParams.MergeFrom(other.HistogramParams);
-      }
       coreList_.Add(other.coreList_);
-      if (other.CoreLimit != 0) {
-        CoreLimit = other.CoreLimit;
+      if (other.OtherServerApi.Length != 0) {
+        OtherServerApi = other.OtherServerApi;
       }
     }
 
@@ -1436,15 +1749,11 @@ namespace Grpc.Testing {
           default:
             input.SkipLastField();
             break;
-          case 10: {
-            serverTargets_.AddEntriesFrom(input, _repeated_serverTargets_codec);
-            break;
-          }
-          case 16: {
-            clientType_ = (global::Grpc.Testing.ClientType) input.ReadEnum();
+          case 8: {
+            serverType_ = (global::Grpc.Testing.ServerType) input.ReadEnum();
             break;
           }
-          case 26: {
+          case 18: {
             if (securityParams_ == null) {
               securityParams_ = new global::Grpc.Testing.SecurityParams();
             }
@@ -1452,49 +1761,31 @@ namespace Grpc.Testing {
             break;
           }
           case 32: {
-            OutstandingRpcsPerChannel = input.ReadInt32();
-            break;
-          }
-          case 40: {
-            ClientChannels = input.ReadInt32();
+            Port = input.ReadInt32();
             break;
           }
           case 56: {
-            AsyncClientThreads = input.ReadInt32();
+            AsyncServerThreads = input.ReadInt32();
             break;
           }
           case 64: {
-            rpcType_ = (global::Grpc.Testing.RpcType) input.ReadEnum();
-            break;
-          }
-          case 82: {
-            if (loadParams_ == null) {
-              loadParams_ = new global::Grpc.Testing.LoadParams();
-            }
-            input.ReadMessage(loadParams_);
+            CoreLimit = input.ReadInt32();
             break;
           }
-          case 90: {
+          case 74: {
             if (payloadConfig_ == null) {
               payloadConfig_ = new global::Grpc.Testing.PayloadConfig();
             }
             input.ReadMessage(payloadConfig_);
             break;
           }
-          case 98: {
-            if (histogramParams_ == null) {
-              histogramParams_ = new global::Grpc.Testing.HistogramParams();
-            }
-            input.ReadMessage(histogramParams_);
-            break;
-          }
-          case 106:
-          case 104: {
+          case 82:
+          case 80: {
             coreList_.AddEntriesFrom(input, _repeated_coreList_codec);
             break;
           }
-          case 112: {
-            CoreLimit = input.ReadInt32();
+          case 90: {
+            OtherServerApi = input.ReadString();
             break;
           }
         }
@@ -1504,60 +1795,99 @@ namespace Grpc.Testing {
   }
 
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class ClientStatus : pb::IMessage<ClientStatus> {
-    private static readonly pb::MessageParser<ClientStatus> _parser = new pb::MessageParser<ClientStatus>(() => new ClientStatus());
-    public static pb::MessageParser<ClientStatus> Parser { get { return _parser; } }
+  public sealed partial class ServerArgs : pb::IMessage<ServerArgs> {
+    private static readonly pb::MessageParser<ServerArgs> _parser = new pb::MessageParser<ServerArgs>(() => new ServerArgs());
+    public static pb::MessageParser<ServerArgs> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[8]; }
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[9]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
       get { return Descriptor; }
     }
 
-    public ClientStatus() {
+    public ServerArgs() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public ClientStatus(ClientStatus other) : this() {
-      Stats = other.stats_ != null ? other.Stats.Clone() : null;
+    public ServerArgs(ServerArgs other) : this() {
+      switch (other.ArgtypeCase) {
+        case ArgtypeOneofCase.Setup:
+          Setup = other.Setup.Clone();
+          break;
+        case ArgtypeOneofCase.Mark:
+          Mark = other.Mark.Clone();
+          break;
+      }
+
     }
 
-    public ClientStatus Clone() {
-      return new ClientStatus(this);
+    public ServerArgs Clone() {
+      return new ServerArgs(this);
     }
 
-    /// <summary>Field number for the "stats" field.</summary>
-    public const int StatsFieldNumber = 1;
-    private global::Grpc.Testing.ClientStats stats_;
-    public global::Grpc.Testing.ClientStats Stats {
-      get { return stats_; }
+    /// <summary>Field number for the "setup" field.</summary>
+    public const int SetupFieldNumber = 1;
+    public global::Grpc.Testing.ServerConfig Setup {
+      get { return argtypeCase_ == ArgtypeOneofCase.Setup ? (global::Grpc.Testing.ServerConfig) argtype_ : null; }
       set {
-        stats_ = value;
+        argtype_ = value;
+        argtypeCase_ = value == null ? ArgtypeOneofCase.None : ArgtypeOneofCase.Setup;
+      }
+    }
+
+    /// <summary>Field number for the "mark" field.</summary>
+    public const int MarkFieldNumber = 2;
+    public global::Grpc.Testing.Mark Mark {
+      get { return argtypeCase_ == ArgtypeOneofCase.Mark ? (global::Grpc.Testing.Mark) argtype_ : null; }
+      set {
+        argtype_ = value;
+        argtypeCase_ = value == null ? ArgtypeOneofCase.None : ArgtypeOneofCase.Mark;
       }
     }
 
+    private object argtype_;
+    /// <summary>Enum of possible cases for the "argtype" oneof.</summary>
+    public enum ArgtypeOneofCase {
+      None = 0,
+      Setup = 1,
+      Mark = 2,
+    }
+    private ArgtypeOneofCase argtypeCase_ = ArgtypeOneofCase.None;
+    public ArgtypeOneofCase ArgtypeCase {
+      get { return argtypeCase_; }
+    }
+
+    public void ClearArgtype() {
+      argtypeCase_ = ArgtypeOneofCase.None;
+      argtype_ = null;
+    }
+
     public override bool Equals(object other) {
-      return Equals(other as ClientStatus);
+      return Equals(other as ServerArgs);
     }
 
-    public bool Equals(ClientStatus other) {
+    public bool Equals(ServerArgs other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
-      if (!object.Equals(Stats, other.Stats)) return false;
+      if (!object.Equals(Setup, other.Setup)) return false;
+      if (!object.Equals(Mark, other.Mark)) return false;
+      if (ArgtypeCase != other.ArgtypeCase) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
-      if (stats_ != null) hash ^= Stats.GetHashCode();
+      if (argtypeCase_ == ArgtypeOneofCase.Setup) hash ^= Setup.GetHashCode();
+      if (argtypeCase_ == ArgtypeOneofCase.Mark) hash ^= Mark.GetHashCode();
+      hash ^= (int) argtypeCase_;
       return hash;
     }
 
@@ -1566,30 +1896,40 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      if (stats_ != null) {
+      if (argtypeCase_ == ArgtypeOneofCase.Setup) {
         output.WriteRawTag(10);
-        output.WriteMessage(Stats);
+        output.WriteMessage(Setup);
+      }
+      if (argtypeCase_ == ArgtypeOneofCase.Mark) {
+        output.WriteRawTag(18);
+        output.WriteMessage(Mark);
       }
     }
 
     public int CalculateSize() {
       int size = 0;
-      if (stats_ != null) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Stats);
+      if (argtypeCase_ == ArgtypeOneofCase.Setup) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Setup);
+      }
+      if (argtypeCase_ == ArgtypeOneofCase.Mark) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Mark);
       }
       return size;
     }
 
-    public void MergeFrom(ClientStatus other) {
+    public void MergeFrom(ServerArgs other) {
       if (other == null) {
         return;
       }
-      if (other.stats_ != null) {
-        if (stats_ == null) {
-          stats_ = new global::Grpc.Testing.ClientStats();
-        }
-        Stats.MergeFrom(other.Stats);
+      switch (other.ArgtypeCase) {
+        case ArgtypeOneofCase.Setup:
+          Setup = other.Setup;
+          break;
+        case ArgtypeOneofCase.Mark:
+          Mark = other.Mark;
+          break;
       }
+
     }
 
     public void MergeFrom(pb::CodedInputStream input) {
@@ -1600,10 +1940,21 @@ namespace Grpc.Testing {
             input.SkipLastField();
             break;
           case 10: {
-            if (stats_ == null) {
-              stats_ = new global::Grpc.Testing.ClientStats();
+            global::Grpc.Testing.ServerConfig subBuilder = new global::Grpc.Testing.ServerConfig();
+            if (argtypeCase_ == ArgtypeOneofCase.Setup) {
+              subBuilder.MergeFrom(Setup);
             }
-            input.ReadMessage(stats_);
+            input.ReadMessage(subBuilder);
+            Setup = subBuilder;
+            break;
+          }
+          case 18: {
+            global::Grpc.Testing.Mark subBuilder = new global::Grpc.Testing.Mark();
+            if (argtypeCase_ == ArgtypeOneofCase.Mark) {
+              subBuilder.MergeFrom(Mark);
+            }
+            input.ReadMessage(subBuilder);
+            Mark = subBuilder;
             break;
           }
         }
@@ -1612,67 +1963,93 @@ namespace Grpc.Testing {
 
   }
 
-  /// <summary>
-  ///  Request current stats
-  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class Mark : pb::IMessage<Mark> {
-    private static readonly pb::MessageParser<Mark> _parser = new pb::MessageParser<Mark>(() => new Mark());
-    public static pb::MessageParser<Mark> Parser { get { return _parser; } }
+  public sealed partial class ServerStatus : pb::IMessage<ServerStatus> {
+    private static readonly pb::MessageParser<ServerStatus> _parser = new pb::MessageParser<ServerStatus>(() => new ServerStatus());
+    public static pb::MessageParser<ServerStatus> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[9]; }
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[10]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
       get { return Descriptor; }
     }
 
-    public Mark() {
+    public ServerStatus() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public Mark(Mark other) : this() {
-      reset_ = other.reset_;
+    public ServerStatus(ServerStatus other) : this() {
+      Stats = other.stats_ != null ? other.Stats.Clone() : null;
+      port_ = other.port_;
+      cores_ = other.cores_;
     }
 
-    public Mark Clone() {
-      return new Mark(this);
+    public ServerStatus Clone() {
+      return new ServerStatus(this);
     }
 
-    /// <summary>Field number for the "reset" field.</summary>
-    public const int ResetFieldNumber = 1;
-    private bool reset_;
+    /// <summary>Field number for the "stats" field.</summary>
+    public const int StatsFieldNumber = 1;
+    private global::Grpc.Testing.ServerStats stats_;
+    public global::Grpc.Testing.ServerStats Stats {
+      get { return stats_; }
+      set {
+        stats_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "port" field.</summary>
+    public const int PortFieldNumber = 2;
+    private int port_;
     /// <summary>
-    ///  if true, the stats will be reset after taking their snapshot.
+    ///  the port bound by the server
     /// </summary>
-    public bool Reset {
-      get { return reset_; }
+    public int Port {
+      get { return port_; }
       set {
-        reset_ = value;
+        port_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "cores" field.</summary>
+    public const int CoresFieldNumber = 3;
+    private int cores_;
+    /// <summary>
+    ///  Number of cores available to the server
+    /// </summary>
+    public int Cores {
+      get { return cores_; }
+      set {
+        cores_ = value;
       }
     }
 
     public override bool Equals(object other) {
-      return Equals(other as Mark);
+      return Equals(other as ServerStatus);
     }
 
-    public bool Equals(Mark other) {
+    public bool Equals(ServerStatus other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
-      if (Reset != other.Reset) return false;
+      if (!object.Equals(Stats, other.Stats)) return false;
+      if (Port != other.Port) return false;
+      if (Cores != other.Cores) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
-      if (Reset != false) hash ^= Reset.GetHashCode();
+      if (stats_ != null) hash ^= Stats.GetHashCode();
+      if (Port != 0) hash ^= Port.GetHashCode();
+      if (Cores != 0) hash ^= Cores.GetHashCode();
       return hash;
     }
 
@@ -1681,26 +2058,49 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      if (Reset != false) {
-        output.WriteRawTag(8);
-        output.WriteBool(Reset);
+      if (stats_ != null) {
+        output.WriteRawTag(10);
+        output.WriteMessage(Stats);
+      }
+      if (Port != 0) {
+        output.WriteRawTag(16);
+        output.WriteInt32(Port);
+      }
+      if (Cores != 0) {
+        output.WriteRawTag(24);
+        output.WriteInt32(Cores);
       }
     }
 
     public int CalculateSize() {
       int size = 0;
-      if (Reset != false) {
-        size += 1 + 1;
+      if (stats_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Stats);
+      }
+      if (Port != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Port);
+      }
+      if (Cores != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Cores);
       }
       return size;
     }
 
-    public void MergeFrom(Mark other) {
+    public void MergeFrom(ServerStatus other) {
       if (other == null) {
         return;
       }
-      if (other.Reset != false) {
-        Reset = other.Reset;
+      if (other.stats_ != null) {
+        if (stats_ == null) {
+          stats_ = new global::Grpc.Testing.ServerStats();
+        }
+        Stats.MergeFrom(other.Stats);
+      }
+      if (other.Port != 0) {
+        Port = other.Port;
+      }
+      if (other.Cores != 0) {
+        Cores = other.Cores;
       }
     }
 
@@ -1711,8 +2111,19 @@ namespace Grpc.Testing {
           default:
             input.SkipLastField();
             break;
-          case 8: {
-            Reset = input.ReadBool();
+          case 10: {
+            if (stats_ == null) {
+              stats_ = new global::Grpc.Testing.ServerStats();
+            }
+            input.ReadMessage(stats_);
+            break;
+          }
+          case 16: {
+            Port = input.ReadInt32();
+            break;
+          }
+          case 24: {
+            Cores = input.ReadInt32();
             break;
           }
         }
@@ -1722,99 +2133,47 @@ namespace Grpc.Testing {
   }
 
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class ClientArgs : pb::IMessage<ClientArgs> {
-    private static readonly pb::MessageParser<ClientArgs> _parser = new pb::MessageParser<ClientArgs>(() => new ClientArgs());
-    public static pb::MessageParser<ClientArgs> Parser { get { return _parser; } }
+  public sealed partial class CoreRequest : pb::IMessage<CoreRequest> {
+    private static readonly pb::MessageParser<CoreRequest> _parser = new pb::MessageParser<CoreRequest>(() => new CoreRequest());
+    public static pb::MessageParser<CoreRequest> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[10]; }
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[11]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
       get { return Descriptor; }
     }
 
-    public ClientArgs() {
+    public CoreRequest() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public ClientArgs(ClientArgs other) : this() {
-      switch (other.ArgtypeCase) {
-        case ArgtypeOneofCase.Setup:
-          Setup = other.Setup.Clone();
-          break;
-        case ArgtypeOneofCase.Mark:
-          Mark = other.Mark.Clone();
-          break;
-      }
-
-    }
-
-    public ClientArgs Clone() {
-      return new ClientArgs(this);
-    }
-
-    /// <summary>Field number for the "setup" field.</summary>
-    public const int SetupFieldNumber = 1;
-    public global::Grpc.Testing.ClientConfig Setup {
-      get { return argtypeCase_ == ArgtypeOneofCase.Setup ? (global::Grpc.Testing.ClientConfig) argtype_ : null; }
-      set {
-        argtype_ = value;
-        argtypeCase_ = value == null ? ArgtypeOneofCase.None : ArgtypeOneofCase.Setup;
-      }
-    }
-
-    /// <summary>Field number for the "mark" field.</summary>
-    public const int MarkFieldNumber = 2;
-    public global::Grpc.Testing.Mark Mark {
-      get { return argtypeCase_ == ArgtypeOneofCase.Mark ? (global::Grpc.Testing.Mark) argtype_ : null; }
-      set {
-        argtype_ = value;
-        argtypeCase_ = value == null ? ArgtypeOneofCase.None : ArgtypeOneofCase.Mark;
-      }
-    }
-
-    private object argtype_;
-    /// <summary>Enum of possible cases for the "argtype" oneof.</summary>
-    public enum ArgtypeOneofCase {
-      None = 0,
-      Setup = 1,
-      Mark = 2,
-    }
-    private ArgtypeOneofCase argtypeCase_ = ArgtypeOneofCase.None;
-    public ArgtypeOneofCase ArgtypeCase {
-      get { return argtypeCase_; }
+    public CoreRequest(CoreRequest other) : this() {
     }
 
-    public void ClearArgtype() {
-      argtypeCase_ = ArgtypeOneofCase.None;
-      argtype_ = null;
+    public CoreRequest Clone() {
+      return new CoreRequest(this);
     }
 
     public override bool Equals(object other) {
-      return Equals(other as ClientArgs);
+      return Equals(other as CoreRequest);
     }
 
-    public bool Equals(ClientArgs other) {
+    public bool Equals(CoreRequest other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
-      if (!object.Equals(Setup, other.Setup)) return false;
-      if (!object.Equals(Mark, other.Mark)) return false;
-      if (ArgtypeCase != other.ArgtypeCase) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
-      if (argtypeCase_ == ArgtypeOneofCase.Setup) hash ^= Setup.GetHashCode();
-      if (argtypeCase_ == ArgtypeOneofCase.Mark) hash ^= Mark.GetHashCode();
-      hash ^= (int) argtypeCase_;
       return hash;
     }
 
@@ -1823,40 +2182,17 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      if (argtypeCase_ == ArgtypeOneofCase.Setup) {
-        output.WriteRawTag(10);
-        output.WriteMessage(Setup);
-      }
-      if (argtypeCase_ == ArgtypeOneofCase.Mark) {
-        output.WriteRawTag(18);
-        output.WriteMessage(Mark);
-      }
     }
 
     public int CalculateSize() {
       int size = 0;
-      if (argtypeCase_ == ArgtypeOneofCase.Setup) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Setup);
-      }
-      if (argtypeCase_ == ArgtypeOneofCase.Mark) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Mark);
-      }
       return size;
     }
 
-    public void MergeFrom(ClientArgs other) {
+    public void MergeFrom(CoreRequest other) {
       if (other == null) {
-        return;
-      }
-      switch (other.ArgtypeCase) {
-        case ArgtypeOneofCase.Setup:
-          Setup = other.Setup;
-          break;
-        case ArgtypeOneofCase.Mark:
-          Mark = other.Mark;
-          break;
+        return;
       }
-
     }
 
     public void MergeFrom(pb::CodedInputStream input) {
@@ -1866,24 +2202,6 @@ namespace Grpc.Testing {
           default:
             input.SkipLastField();
             break;
-          case 10: {
-            global::Grpc.Testing.ClientConfig subBuilder = new global::Grpc.Testing.ClientConfig();
-            if (argtypeCase_ == ArgtypeOneofCase.Setup) {
-              subBuilder.MergeFrom(Setup);
-            }
-            input.ReadMessage(subBuilder);
-            Setup = subBuilder;
-            break;
-          }
-          case 18: {
-            global::Grpc.Testing.Mark subBuilder = new global::Grpc.Testing.Mark();
-            if (argtypeCase_ == ArgtypeOneofCase.Mark) {
-              subBuilder.MergeFrom(Mark);
-            }
-            input.ReadMessage(subBuilder);
-            Mark = subBuilder;
-            break;
-          }
         }
       }
     }
@@ -1891,152 +2209,63 @@ namespace Grpc.Testing {
   }
 
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class ServerConfig : pb::IMessage<ServerConfig> {
-    private static readonly pb::MessageParser<ServerConfig> _parser = new pb::MessageParser<ServerConfig>(() => new ServerConfig());
-    public static pb::MessageParser<ServerConfig> Parser { get { return _parser; } }
+  public sealed partial class CoreResponse : pb::IMessage<CoreResponse> {
+    private static readonly pb::MessageParser<CoreResponse> _parser = new pb::MessageParser<CoreResponse>(() => new CoreResponse());
+    public static pb::MessageParser<CoreResponse> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[11]; }
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[12]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
       get { return Descriptor; }
     }
 
-    public ServerConfig() {
+    public CoreResponse() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public ServerConfig(ServerConfig other) : this() {
-      serverType_ = other.serverType_;
-      SecurityParams = other.securityParams_ != null ? other.SecurityParams.Clone() : null;
-      port_ = other.port_;
-      asyncServerThreads_ = other.asyncServerThreads_;
-      coreLimit_ = other.coreLimit_;
-      PayloadConfig = other.payloadConfig_ != null ? other.PayloadConfig.Clone() : null;
-      coreList_ = other.coreList_.Clone();
-    }
-
-    public ServerConfig Clone() {
-      return new ServerConfig(this);
-    }
-
-    /// <summary>Field number for the "server_type" field.</summary>
-    public const int ServerTypeFieldNumber = 1;
-    private global::Grpc.Testing.ServerType serverType_ = global::Grpc.Testing.ServerType.SYNC_SERVER;
-    public global::Grpc.Testing.ServerType ServerType {
-      get { return serverType_; }
-      set {
-        serverType_ = value;
-      }
-    }
-
-    /// <summary>Field number for the "security_params" field.</summary>
-    public const int SecurityParamsFieldNumber = 2;
-    private global::Grpc.Testing.SecurityParams securityParams_;
-    public global::Grpc.Testing.SecurityParams SecurityParams {
-      get { return securityParams_; }
-      set {
-        securityParams_ = value;
-      }
-    }
-
-    /// <summary>Field number for the "port" field.</summary>
-    public const int PortFieldNumber = 4;
-    private int port_;
-    /// <summary>
-    ///  Port on which to listen. Zero means pick unused port.
-    /// </summary>
-    public int Port {
-      get { return port_; }
-      set {
-        port_ = value;
-      }
-    }
-
-    /// <summary>Field number for the "async_server_threads" field.</summary>
-    public const int AsyncServerThreadsFieldNumber = 7;
-    private int asyncServerThreads_;
-    /// <summary>
-    ///  Only for async server. Number of threads used to serve the requests.
-    /// </summary>
-    public int AsyncServerThreads {
-      get { return asyncServerThreads_; }
-      set {
-        asyncServerThreads_ = value;
-      }
+    public CoreResponse(CoreResponse other) : this() {
+      cores_ = other.cores_;
     }
 
-    /// <summary>Field number for the "core_limit" field.</summary>
-    public const int CoreLimitFieldNumber = 8;
-    private int coreLimit_;
-    /// <summary>
-    ///  Specify the number of cores to limit server to, if desired
-    /// </summary>
-    public int CoreLimit {
-      get { return coreLimit_; }
-      set {
-        coreLimit_ = value;
-      }
+    public CoreResponse Clone() {
+      return new CoreResponse(this);
     }
 
-    /// <summary>Field number for the "payload_config" field.</summary>
-    public const int PayloadConfigFieldNumber = 9;
-    private global::Grpc.Testing.PayloadConfig payloadConfig_;
+    /// <summary>Field number for the "cores" field.</summary>
+    public const int CoresFieldNumber = 1;
+    private int cores_;
     /// <summary>
-    ///  payload config, used in generic server
+    ///  Number of cores available on the server
     /// </summary>
-    public global::Grpc.Testing.PayloadConfig PayloadConfig {
-      get { return payloadConfig_; }
+    public int Cores {
+      get { return cores_; }
       set {
-        payloadConfig_ = value;
+        cores_ = value;
       }
     }
 
-    /// <summary>Field number for the "core_list" field.</summary>
-    public const int CoreListFieldNumber = 10;
-    private static readonly pb::FieldCodec<int> _repeated_coreList_codec
-        = pb::FieldCodec.ForInt32(82);
-    private readonly pbc::RepeatedField<int> coreList_ = new pbc::RepeatedField<int>();
-    /// <summary>
-    ///  Specify the cores we should run the server on, if desired
-    /// </summary>
-    public pbc::RepeatedField<int> CoreList {
-      get { return coreList_; }
-    }
-
     public override bool Equals(object other) {
-      return Equals(other as ServerConfig);
+      return Equals(other as CoreResponse);
     }
 
-    public bool Equals(ServerConfig other) {
+    public bool Equals(CoreResponse other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
-      if (ServerType != other.ServerType) return false;
-      if (!object.Equals(SecurityParams, other.SecurityParams)) return false;
-      if (Port != other.Port) return false;
-      if (AsyncServerThreads != other.AsyncServerThreads) return false;
-      if (CoreLimit != other.CoreLimit) return false;
-      if (!object.Equals(PayloadConfig, other.PayloadConfig)) return false;
-      if(!coreList_.Equals(other.coreList_)) return false;
+      if (Cores != other.Cores) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
-      if (ServerType != global::Grpc.Testing.ServerType.SYNC_SERVER) hash ^= ServerType.GetHashCode();
-      if (securityParams_ != null) hash ^= SecurityParams.GetHashCode();
-      if (Port != 0) hash ^= Port.GetHashCode();
-      if (AsyncServerThreads != 0) hash ^= AsyncServerThreads.GetHashCode();
-      if (CoreLimit != 0) hash ^= CoreLimit.GetHashCode();
-      if (payloadConfig_ != null) hash ^= PayloadConfig.GetHashCode();
-      hash ^= coreList_.GetHashCode();
+      if (Cores != 0) hash ^= Cores.GetHashCode();
       return hash;
     }
 
@@ -2045,128 +2274,38 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      if (ServerType != global::Grpc.Testing.ServerType.SYNC_SERVER) {
+      if (Cores != 0) {
         output.WriteRawTag(8);
-        output.WriteEnum((int) ServerType);
-      }
-      if (securityParams_ != null) {
-        output.WriteRawTag(18);
-        output.WriteMessage(SecurityParams);
-      }
-      if (Port != 0) {
-        output.WriteRawTag(32);
-        output.WriteInt32(Port);
-      }
-      if (AsyncServerThreads != 0) {
-        output.WriteRawTag(56);
-        output.WriteInt32(AsyncServerThreads);
-      }
-      if (CoreLimit != 0) {
-        output.WriteRawTag(64);
-        output.WriteInt32(CoreLimit);
-      }
-      if (payloadConfig_ != null) {
-        output.WriteRawTag(74);
-        output.WriteMessage(PayloadConfig);
+        output.WriteInt32(Cores);
       }
-      coreList_.WriteTo(output, _repeated_coreList_codec);
     }
 
     public int CalculateSize() {
       int size = 0;
-      if (ServerType != global::Grpc.Testing.ServerType.SYNC_SERVER) {
-        size += 1 + pb::CodedOutputStream.ComputeEnumSize((int) ServerType);
-      }
-      if (securityParams_ != null) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(SecurityParams);
-      }
-      if (Port != 0) {
-        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Port);
-      }
-      if (AsyncServerThreads != 0) {
-        size += 1 + pb::CodedOutputStream.ComputeInt32Size(AsyncServerThreads);
-      }
-      if (CoreLimit != 0) {
-        size += 1 + pb::CodedOutputStream.ComputeInt32Size(CoreLimit);
-      }
-      if (payloadConfig_ != null) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(PayloadConfig);
+      if (Cores != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Cores);
       }
-      size += coreList_.CalculateSize(_repeated_coreList_codec);
       return size;
     }
 
-    public void MergeFrom(ServerConfig other) {
+    public void MergeFrom(CoreResponse other) {
       if (other == null) {
         return;
       }
-      if (other.ServerType != global::Grpc.Testing.ServerType.SYNC_SERVER) {
-        ServerType = other.ServerType;
-      }
-      if (other.securityParams_ != null) {
-        if (securityParams_ == null) {
-          securityParams_ = new global::Grpc.Testing.SecurityParams();
-        }
-        SecurityParams.MergeFrom(other.SecurityParams);
-      }
-      if (other.Port != 0) {
-        Port = other.Port;
-      }
-      if (other.AsyncServerThreads != 0) {
-        AsyncServerThreads = other.AsyncServerThreads;
-      }
-      if (other.CoreLimit != 0) {
-        CoreLimit = other.CoreLimit;
-      }
-      if (other.payloadConfig_ != null) {
-        if (payloadConfig_ == null) {
-          payloadConfig_ = new global::Grpc.Testing.PayloadConfig();
-        }
-        PayloadConfig.MergeFrom(other.PayloadConfig);
+      if (other.Cores != 0) {
+        Cores = other.Cores;
       }
-      coreList_.Add(other.coreList_);
     }
 
     public void MergeFrom(pb::CodedInputStream input) {
-      uint tag;
-      while ((tag = input.ReadTag()) != 0) {
-        switch(tag) {
-          default:
-            input.SkipLastField();
-            break;
-          case 8: {
-            serverType_ = (global::Grpc.Testing.ServerType) input.ReadEnum();
-            break;
-          }
-          case 18: {
-            if (securityParams_ == null) {
-              securityParams_ = new global::Grpc.Testing.SecurityParams();
-            }
-            input.ReadMessage(securityParams_);
-            break;
-          }
-          case 32: {
-            Port = input.ReadInt32();
-            break;
-          }
-          case 56: {
-            AsyncServerThreads = input.ReadInt32();
-            break;
-          }
-          case 64: {
-            CoreLimit = input.ReadInt32();
-            break;
-          }
-          case 74: {
-            if (payloadConfig_ == null) {
-              payloadConfig_ = new global::Grpc.Testing.PayloadConfig();
-            }
-            input.ReadMessage(payloadConfig_);
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
             break;
-          }
-          case 82:
-          case 80: {
-            coreList_.AddEntriesFrom(input, _repeated_coreList_codec);
+          case 8: {
+            Cores = input.ReadInt32();
             break;
           }
         }
@@ -2176,99 +2315,47 @@ namespace Grpc.Testing {
   }
 
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class ServerArgs : pb::IMessage<ServerArgs> {
-    private static readonly pb::MessageParser<ServerArgs> _parser = new pb::MessageParser<ServerArgs>(() => new ServerArgs());
-    public static pb::MessageParser<ServerArgs> Parser { get { return _parser; } }
+  public sealed partial class Void : pb::IMessage<Void> {
+    private static readonly pb::MessageParser<Void> _parser = new pb::MessageParser<Void>(() => new Void());
+    public static pb::MessageParser<Void> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[12]; }
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[13]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
       get { return Descriptor; }
     }
 
-    public ServerArgs() {
+    public Void() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public ServerArgs(ServerArgs other) : this() {
-      switch (other.ArgtypeCase) {
-        case ArgtypeOneofCase.Setup:
-          Setup = other.Setup.Clone();
-          break;
-        case ArgtypeOneofCase.Mark:
-          Mark = other.Mark.Clone();
-          break;
-      }
-
-    }
-
-    public ServerArgs Clone() {
-      return new ServerArgs(this);
-    }
-
-    /// <summary>Field number for the "setup" field.</summary>
-    public const int SetupFieldNumber = 1;
-    public global::Grpc.Testing.ServerConfig Setup {
-      get { return argtypeCase_ == ArgtypeOneofCase.Setup ? (global::Grpc.Testing.ServerConfig) argtype_ : null; }
-      set {
-        argtype_ = value;
-        argtypeCase_ = value == null ? ArgtypeOneofCase.None : ArgtypeOneofCase.Setup;
-      }
-    }
-
-    /// <summary>Field number for the "mark" field.</summary>
-    public const int MarkFieldNumber = 2;
-    public global::Grpc.Testing.Mark Mark {
-      get { return argtypeCase_ == ArgtypeOneofCase.Mark ? (global::Grpc.Testing.Mark) argtype_ : null; }
-      set {
-        argtype_ = value;
-        argtypeCase_ = value == null ? ArgtypeOneofCase.None : ArgtypeOneofCase.Mark;
-      }
-    }
-
-    private object argtype_;
-    /// <summary>Enum of possible cases for the "argtype" oneof.</summary>
-    public enum ArgtypeOneofCase {
-      None = 0,
-      Setup = 1,
-      Mark = 2,
-    }
-    private ArgtypeOneofCase argtypeCase_ = ArgtypeOneofCase.None;
-    public ArgtypeOneofCase ArgtypeCase {
-      get { return argtypeCase_; }
+    public Void(Void other) : this() {
     }
 
-    public void ClearArgtype() {
-      argtypeCase_ = ArgtypeOneofCase.None;
-      argtype_ = null;
+    public Void Clone() {
+      return new Void(this);
     }
 
     public override bool Equals(object other) {
-      return Equals(other as ServerArgs);
+      return Equals(other as Void);
     }
 
-    public bool Equals(ServerArgs other) {
+    public bool Equals(Void other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
-      if (!object.Equals(Setup, other.Setup)) return false;
-      if (!object.Equals(Mark, other.Mark)) return false;
-      if (ArgtypeCase != other.ArgtypeCase) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
-      if (argtypeCase_ == ArgtypeOneofCase.Setup) hash ^= Setup.GetHashCode();
-      if (argtypeCase_ == ArgtypeOneofCase.Mark) hash ^= Mark.GetHashCode();
-      hash ^= (int) argtypeCase_;
       return hash;
     }
 
@@ -2277,40 +2364,17 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      if (argtypeCase_ == ArgtypeOneofCase.Setup) {
-        output.WriteRawTag(10);
-        output.WriteMessage(Setup);
-      }
-      if (argtypeCase_ == ArgtypeOneofCase.Mark) {
-        output.WriteRawTag(18);
-        output.WriteMessage(Mark);
-      }
     }
 
     public int CalculateSize() {
       int size = 0;
-      if (argtypeCase_ == ArgtypeOneofCase.Setup) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Setup);
-      }
-      if (argtypeCase_ == ArgtypeOneofCase.Mark) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Mark);
-      }
       return size;
     }
 
-    public void MergeFrom(ServerArgs other) {
+    public void MergeFrom(Void other) {
       if (other == null) {
         return;
       }
-      switch (other.ArgtypeCase) {
-        case ArgtypeOneofCase.Setup:
-          Setup = other.Setup;
-          break;
-        case ArgtypeOneofCase.Mark:
-          Mark = other.Mark;
-          break;
-      }
-
     }
 
     public void MergeFrom(pb::CodedInputStream input) {
@@ -2320,117 +2384,185 @@ namespace Grpc.Testing {
           default:
             input.SkipLastField();
             break;
-          case 10: {
-            global::Grpc.Testing.ServerConfig subBuilder = new global::Grpc.Testing.ServerConfig();
-            if (argtypeCase_ == ArgtypeOneofCase.Setup) {
-              subBuilder.MergeFrom(Setup);
-            }
-            input.ReadMessage(subBuilder);
-            Setup = subBuilder;
-            break;
-          }
-          case 18: {
-            global::Grpc.Testing.Mark subBuilder = new global::Grpc.Testing.Mark();
-            if (argtypeCase_ == ArgtypeOneofCase.Mark) {
-              subBuilder.MergeFrom(Mark);
-            }
-            input.ReadMessage(subBuilder);
-            Mark = subBuilder;
-            break;
-          }
         }
       }
     }
 
   }
 
+  /// <summary>
+  ///  A single performance scenario: input to qps_json_driver
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class ServerStatus : pb::IMessage<ServerStatus> {
-    private static readonly pb::MessageParser<ServerStatus> _parser = new pb::MessageParser<ServerStatus>(() => new ServerStatus());
-    public static pb::MessageParser<ServerStatus> Parser { get { return _parser; } }
+  public sealed partial class Scenario : pb::IMessage<Scenario> {
+    private static readonly pb::MessageParser<Scenario> _parser = new pb::MessageParser<Scenario>(() => new Scenario());
+    public static pb::MessageParser<Scenario> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[13]; }
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[14]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
       get { return Descriptor; }
     }
 
-    public ServerStatus() {
+    public Scenario() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public ServerStatus(ServerStatus other) : this() {
-      Stats = other.stats_ != null ? other.Stats.Clone() : null;
-      port_ = other.port_;
-      cores_ = other.cores_;
+    public Scenario(Scenario other) : this() {
+      name_ = other.name_;
+      ClientConfig = other.clientConfig_ != null ? other.ClientConfig.Clone() : null;
+      numClients_ = other.numClients_;
+      ServerConfig = other.serverConfig_ != null ? other.ServerConfig.Clone() : null;
+      numServers_ = other.numServers_;
+      warmupSeconds_ = other.warmupSeconds_;
+      benchmarkSeconds_ = other.benchmarkSeconds_;
+      spawnLocalWorkerCount_ = other.spawnLocalWorkerCount_;
     }
 
-    public ServerStatus Clone() {
-      return new ServerStatus(this);
+    public Scenario Clone() {
+      return new Scenario(this);
     }
 
-    /// <summary>Field number for the "stats" field.</summary>
-    public const int StatsFieldNumber = 1;
-    private global::Grpc.Testing.ServerStats stats_;
-    public global::Grpc.Testing.ServerStats Stats {
-      get { return stats_; }
+    /// <summary>Field number for the "name" field.</summary>
+    public const int NameFieldNumber = 1;
+    private string name_ = "";
+    /// <summary>
+    ///  Human readable name for this scenario
+    /// </summary>
+    public string Name {
+      get { return name_; }
       set {
-        stats_ = value;
+        name_ = pb::Preconditions.CheckNotNull(value, "value");
       }
     }
 
-    /// <summary>Field number for the "port" field.</summary>
-    public const int PortFieldNumber = 2;
-    private int port_;
+    /// <summary>Field number for the "client_config" field.</summary>
+    public const int ClientConfigFieldNumber = 2;
+    private global::Grpc.Testing.ClientConfig clientConfig_;
     /// <summary>
-    ///  the port bound by the server
+    ///  Client configuration
     /// </summary>
-    public int Port {
-      get { return port_; }
+    public global::Grpc.Testing.ClientConfig ClientConfig {
+      get { return clientConfig_; }
       set {
-        port_ = value;
+        clientConfig_ = value;
       }
     }
 
-    /// <summary>Field number for the "cores" field.</summary>
-    public const int CoresFieldNumber = 3;
-    private int cores_;
+    /// <summary>Field number for the "num_clients" field.</summary>
+    public const int NumClientsFieldNumber = 3;
+    private int numClients_;
     /// <summary>
-    ///  Number of cores available to the server
+    ///  Number of clients to start for the test
     /// </summary>
-    public int Cores {
-      get { return cores_; }
+    public int NumClients {
+      get { return numClients_; }
       set {
-        cores_ = value;
+        numClients_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "server_config" field.</summary>
+    public const int ServerConfigFieldNumber = 4;
+    private global::Grpc.Testing.ServerConfig serverConfig_;
+    /// <summary>
+    ///  Server configuration
+    /// </summary>
+    public global::Grpc.Testing.ServerConfig ServerConfig {
+      get { return serverConfig_; }
+      set {
+        serverConfig_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "num_servers" field.</summary>
+    public const int NumServersFieldNumber = 5;
+    private int numServers_;
+    /// <summary>
+    ///  Number of servers to start for the test
+    /// </summary>
+    public int NumServers {
+      get { return numServers_; }
+      set {
+        numServers_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "warmup_seconds" field.</summary>
+    public const int WarmupSecondsFieldNumber = 6;
+    private int warmupSeconds_;
+    /// <summary>
+    ///  Warmup period, in seconds
+    /// </summary>
+    public int WarmupSeconds {
+      get { return warmupSeconds_; }
+      set {
+        warmupSeconds_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "benchmark_seconds" field.</summary>
+    public const int BenchmarkSecondsFieldNumber = 7;
+    private int benchmarkSeconds_;
+    /// <summary>
+    ///  Benchmark time, in seconds
+    /// </summary>
+    public int BenchmarkSeconds {
+      get { return benchmarkSeconds_; }
+      set {
+        benchmarkSeconds_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "spawn_local_worker_count" field.</summary>
+    public const int SpawnLocalWorkerCountFieldNumber = 8;
+    private int spawnLocalWorkerCount_;
+    /// <summary>
+    ///  Number of workers to spawn locally (usually zero)
+    /// </summary>
+    public int SpawnLocalWorkerCount {
+      get { return spawnLocalWorkerCount_; }
+      set {
+        spawnLocalWorkerCount_ = value;
       }
     }
 
     public override bool Equals(object other) {
-      return Equals(other as ServerStatus);
+      return Equals(other as Scenario);
     }
 
-    public bool Equals(ServerStatus other) {
+    public bool Equals(Scenario other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
-      if (!object.Equals(Stats, other.Stats)) return false;
-      if (Port != other.Port) return false;
-      if (Cores != other.Cores) return false;
+      if (Name != other.Name) return false;
+      if (!object.Equals(ClientConfig, other.ClientConfig)) return false;
+      if (NumClients != other.NumClients) return false;
+      if (!object.Equals(ServerConfig, other.ServerConfig)) return false;
+      if (NumServers != other.NumServers) return false;
+      if (WarmupSeconds != other.WarmupSeconds) return false;
+      if (BenchmarkSeconds != other.BenchmarkSeconds) return false;
+      if (SpawnLocalWorkerCount != other.SpawnLocalWorkerCount) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
-      if (stats_ != null) hash ^= Stats.GetHashCode();
-      if (Port != 0) hash ^= Port.GetHashCode();
-      if (Cores != 0) hash ^= Cores.GetHashCode();
+      if (Name.Length != 0) hash ^= Name.GetHashCode();
+      if (clientConfig_ != null) hash ^= ClientConfig.GetHashCode();
+      if (NumClients != 0) hash ^= NumClients.GetHashCode();
+      if (serverConfig_ != null) hash ^= ServerConfig.GetHashCode();
+      if (NumServers != 0) hash ^= NumServers.GetHashCode();
+      if (WarmupSeconds != 0) hash ^= WarmupSeconds.GetHashCode();
+      if (BenchmarkSeconds != 0) hash ^= BenchmarkSeconds.GetHashCode();
+      if (SpawnLocalWorkerCount != 0) hash ^= SpawnLocalWorkerCount.GetHashCode();
       return hash;
     }
 
@@ -2439,49 +2571,102 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      if (stats_ != null) {
+      if (Name.Length != 0) {
         output.WriteRawTag(10);
-        output.WriteMessage(Stats);
+        output.WriteString(Name);
       }
-      if (Port != 0) {
-        output.WriteRawTag(16);
-        output.WriteInt32(Port);
+      if (clientConfig_ != null) {
+        output.WriteRawTag(18);
+        output.WriteMessage(ClientConfig);
       }
-      if (Cores != 0) {
+      if (NumClients != 0) {
         output.WriteRawTag(24);
-        output.WriteInt32(Cores);
+        output.WriteInt32(NumClients);
+      }
+      if (serverConfig_ != null) {
+        output.WriteRawTag(34);
+        output.WriteMessage(ServerConfig);
+      }
+      if (NumServers != 0) {
+        output.WriteRawTag(40);
+        output.WriteInt32(NumServers);
+      }
+      if (WarmupSeconds != 0) {
+        output.WriteRawTag(48);
+        output.WriteInt32(WarmupSeconds);
+      }
+      if (BenchmarkSeconds != 0) {
+        output.WriteRawTag(56);
+        output.WriteInt32(BenchmarkSeconds);
+      }
+      if (SpawnLocalWorkerCount != 0) {
+        output.WriteRawTag(64);
+        output.WriteInt32(SpawnLocalWorkerCount);
       }
     }
 
     public int CalculateSize() {
       int size = 0;
-      if (stats_ != null) {
-        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Stats);
+      if (Name.Length != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeStringSize(Name);
       }
-      if (Port != 0) {
-        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Port);
+      if (clientConfig_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(ClientConfig);
       }
-      if (Cores != 0) {
-        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Cores);
+      if (NumClients != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(NumClients);
+      }
+      if (serverConfig_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(ServerConfig);
+      }
+      if (NumServers != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(NumServers);
+      }
+      if (WarmupSeconds != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(WarmupSeconds);
+      }
+      if (BenchmarkSeconds != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(BenchmarkSeconds);
+      }
+      if (SpawnLocalWorkerCount != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(SpawnLocalWorkerCount);
       }
       return size;
     }
 
-    public void MergeFrom(ServerStatus other) {
+    public void MergeFrom(Scenario other) {
       if (other == null) {
         return;
       }
-      if (other.stats_ != null) {
-        if (stats_ == null) {
-          stats_ = new global::Grpc.Testing.ServerStats();
+      if (other.Name.Length != 0) {
+        Name = other.Name;
+      }
+      if (other.clientConfig_ != null) {
+        if (clientConfig_ == null) {
+          clientConfig_ = new global::Grpc.Testing.ClientConfig();
         }
-        Stats.MergeFrom(other.Stats);
+        ClientConfig.MergeFrom(other.ClientConfig);
       }
-      if (other.Port != 0) {
-        Port = other.Port;
+      if (other.NumClients != 0) {
+        NumClients = other.NumClients;
       }
-      if (other.Cores != 0) {
-        Cores = other.Cores;
+      if (other.serverConfig_ != null) {
+        if (serverConfig_ == null) {
+          serverConfig_ = new global::Grpc.Testing.ServerConfig();
+        }
+        ServerConfig.MergeFrom(other.ServerConfig);
+      }
+      if (other.NumServers != 0) {
+        NumServers = other.NumServers;
+      }
+      if (other.WarmupSeconds != 0) {
+        WarmupSeconds = other.WarmupSeconds;
+      }
+      if (other.BenchmarkSeconds != 0) {
+        BenchmarkSeconds = other.BenchmarkSeconds;
+      }
+      if (other.SpawnLocalWorkerCount != 0) {
+        SpawnLocalWorkerCount = other.SpawnLocalWorkerCount;
       }
     }
 
@@ -2493,18 +2678,41 @@ namespace Grpc.Testing {
             input.SkipLastField();
             break;
           case 10: {
-            if (stats_ == null) {
-              stats_ = new global::Grpc.Testing.ServerStats();
+            Name = input.ReadString();
+            break;
+          }
+          case 18: {
+            if (clientConfig_ == null) {
+              clientConfig_ = new global::Grpc.Testing.ClientConfig();
             }
-            input.ReadMessage(stats_);
+            input.ReadMessage(clientConfig_);
+            break;
+          }
+          case 24: {
+            NumClients = input.ReadInt32();
+            break;
+          }
+          case 34: {
+            if (serverConfig_ == null) {
+              serverConfig_ = new global::Grpc.Testing.ServerConfig();
+            }
+            input.ReadMessage(serverConfig_);
             break;
           }
-          case 16: {
-            Port = input.ReadInt32();
+          case 40: {
+            NumServers = input.ReadInt32();
             break;
           }
-          case 24: {
-            Cores = input.ReadInt32();
+          case 48: {
+            WarmupSeconds = input.ReadInt32();
+            break;
+          }
+          case 56: {
+            BenchmarkSeconds = input.ReadInt32();
+            break;
+          }
+          case 64: {
+            SpawnLocalWorkerCount = input.ReadInt32();
             break;
           }
         }
@@ -2513,48 +2721,63 @@ namespace Grpc.Testing {
 
   }
 
+  /// <summary>
+  ///  A set of scenarios to be run with qps_json_driver
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class CoreRequest : pb::IMessage<CoreRequest> {
-    private static readonly pb::MessageParser<CoreRequest> _parser = new pb::MessageParser<CoreRequest>(() => new CoreRequest());
-    public static pb::MessageParser<CoreRequest> Parser { get { return _parser; } }
+  public sealed partial class Scenarios : pb::IMessage<Scenarios> {
+    private static readonly pb::MessageParser<Scenarios> _parser = new pb::MessageParser<Scenarios>(() => new Scenarios());
+    public static pb::MessageParser<Scenarios> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[14]; }
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[15]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
       get { return Descriptor; }
     }
 
-    public CoreRequest() {
+    public Scenarios() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public CoreRequest(CoreRequest other) : this() {
+    public Scenarios(Scenarios other) : this() {
+      scenarios_ = other.scenarios_.Clone();
     }
 
-    public CoreRequest Clone() {
-      return new CoreRequest(this);
+    public Scenarios Clone() {
+      return new Scenarios(this);
+    }
+
+    /// <summary>Field number for the "scenarios" field.</summary>
+    public const int Scenarios_FieldNumber = 1;
+    private static readonly pb::FieldCodec<global::Grpc.Testing.Scenario> _repeated_scenarios_codec
+        = pb::FieldCodec.ForMessage(10, global::Grpc.Testing.Scenario.Parser);
+    private readonly pbc::RepeatedField<global::Grpc.Testing.Scenario> scenarios_ = new pbc::RepeatedField<global::Grpc.Testing.Scenario>();
+    public pbc::RepeatedField<global::Grpc.Testing.Scenario> Scenarios_ {
+      get { return scenarios_; }
     }
 
     public override bool Equals(object other) {
-      return Equals(other as CoreRequest);
+      return Equals(other as Scenarios);
     }
 
-    public bool Equals(CoreRequest other) {
+    public bool Equals(Scenarios other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
+      if(!scenarios_.Equals(other.scenarios_)) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
+      hash ^= scenarios_.GetHashCode();
       return hash;
     }
 
@@ -2563,17 +2786,20 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
+      scenarios_.WriteTo(output, _repeated_scenarios_codec);
     }
 
     public int CalculateSize() {
       int size = 0;
+      size += scenarios_.CalculateSize(_repeated_scenarios_codec);
       return size;
     }
 
-    public void MergeFrom(CoreRequest other) {
+    public void MergeFrom(Scenarios other) {
       if (other == null) {
         return;
       }
+      scenarios_.Add(other.scenarios_);
     }
 
     public void MergeFrom(pb::CodedInputStream input) {
@@ -2583,70 +2809,226 @@ namespace Grpc.Testing {
           default:
             input.SkipLastField();
             break;
+          case 10: {
+            scenarios_.AddEntriesFrom(input, _repeated_scenarios_codec);
+            break;
+          }
         }
       }
     }
 
   }
 
+  /// <summary>
+  ///  Basic summary that can be computed from ClientStats and ServerStats
+  ///  once the scenario has finished.
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class CoreResponse : pb::IMessage<CoreResponse> {
-    private static readonly pb::MessageParser<CoreResponse> _parser = new pb::MessageParser<CoreResponse>(() => new CoreResponse());
-    public static pb::MessageParser<CoreResponse> Parser { get { return _parser; } }
+  public sealed partial class ScenarioResultSummary : pb::IMessage<ScenarioResultSummary> {
+    private static readonly pb::MessageParser<ScenarioResultSummary> _parser = new pb::MessageParser<ScenarioResultSummary>(() => new ScenarioResultSummary());
+    public static pb::MessageParser<ScenarioResultSummary> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[15]; }
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[16]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
       get { return Descriptor; }
     }
 
-    public CoreResponse() {
+    public ScenarioResultSummary() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public CoreResponse(CoreResponse other) : this() {
-      cores_ = other.cores_;
+    public ScenarioResultSummary(ScenarioResultSummary other) : this() {
+      qps_ = other.qps_;
+      qpsPerServerCore_ = other.qpsPerServerCore_;
+      serverSystemTime_ = other.serverSystemTime_;
+      serverUserTime_ = other.serverUserTime_;
+      clientSystemTime_ = other.clientSystemTime_;
+      clientUserTime_ = other.clientUserTime_;
+      latency50_ = other.latency50_;
+      latency90_ = other.latency90_;
+      latency95_ = other.latency95_;
+      latency99_ = other.latency99_;
+      latency999_ = other.latency999_;
     }
 
-    public CoreResponse Clone() {
-      return new CoreResponse(this);
+    public ScenarioResultSummary Clone() {
+      return new ScenarioResultSummary(this);
     }
 
-    /// <summary>Field number for the "cores" field.</summary>
-    public const int CoresFieldNumber = 1;
-    private int cores_;
+    /// <summary>Field number for the "qps" field.</summary>
+    public const int QpsFieldNumber = 1;
+    private double qps_;
     /// <summary>
-    ///  Number of cores available on the server
+    ///  Total number of operations per second over all clients.
     /// </summary>
-    public int Cores {
-      get { return cores_; }
+    public double Qps {
+      get { return qps_; }
       set {
-        cores_ = value;
+        qps_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "qps_per_server_core" field.</summary>
+    public const int QpsPerServerCoreFieldNumber = 2;
+    private double qpsPerServerCore_;
+    /// <summary>
+    ///  QPS per one server core.
+    /// </summary>
+    public double QpsPerServerCore {
+      get { return qpsPerServerCore_; }
+      set {
+        qpsPerServerCore_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "server_system_time" field.</summary>
+    public const int ServerSystemTimeFieldNumber = 3;
+    private double serverSystemTime_;
+    /// <summary>
+    ///  server load based on system_time (0.85 => 85%)
+    /// </summary>
+    public double ServerSystemTime {
+      get { return serverSystemTime_; }
+      set {
+        serverSystemTime_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "server_user_time" field.</summary>
+    public const int ServerUserTimeFieldNumber = 4;
+    private double serverUserTime_;
+    /// <summary>
+    ///  server load based on user_time (0.85 => 85%)
+    /// </summary>
+    public double ServerUserTime {
+      get { return serverUserTime_; }
+      set {
+        serverUserTime_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "client_system_time" field.</summary>
+    public const int ClientSystemTimeFieldNumber = 5;
+    private double clientSystemTime_;
+    /// <summary>
+    ///  client load based on system_time (0.85 => 85%)
+    /// </summary>
+    public double ClientSystemTime {
+      get { return clientSystemTime_; }
+      set {
+        clientSystemTime_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "client_user_time" field.</summary>
+    public const int ClientUserTimeFieldNumber = 6;
+    private double clientUserTime_;
+    /// <summary>
+    ///  client load based on user_time (0.85 => 85%)
+    /// </summary>
+    public double ClientUserTime {
+      get { return clientUserTime_; }
+      set {
+        clientUserTime_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "latency_50" field.</summary>
+    public const int Latency50FieldNumber = 7;
+    private double latency50_;
+    /// <summary>
+    ///  X% latency percentiles (in nanoseconds)
+    /// </summary>
+    public double Latency50 {
+      get { return latency50_; }
+      set {
+        latency50_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "latency_90" field.</summary>
+    public const int Latency90FieldNumber = 8;
+    private double latency90_;
+    public double Latency90 {
+      get { return latency90_; }
+      set {
+        latency90_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "latency_95" field.</summary>
+    public const int Latency95FieldNumber = 9;
+    private double latency95_;
+    public double Latency95 {
+      get { return latency95_; }
+      set {
+        latency95_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "latency_99" field.</summary>
+    public const int Latency99FieldNumber = 10;
+    private double latency99_;
+    public double Latency99 {
+      get { return latency99_; }
+      set {
+        latency99_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "latency_999" field.</summary>
+    public const int Latency999FieldNumber = 11;
+    private double latency999_;
+    public double Latency999 {
+      get { return latency999_; }
+      set {
+        latency999_ = value;
       }
     }
 
     public override bool Equals(object other) {
-      return Equals(other as CoreResponse);
+      return Equals(other as ScenarioResultSummary);
     }
 
-    public bool Equals(CoreResponse other) {
+    public bool Equals(ScenarioResultSummary other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
-      if (Cores != other.Cores) return false;
+      if (Qps != other.Qps) return false;
+      if (QpsPerServerCore != other.QpsPerServerCore) return false;
+      if (ServerSystemTime != other.ServerSystemTime) return false;
+      if (ServerUserTime != other.ServerUserTime) return false;
+      if (ClientSystemTime != other.ClientSystemTime) return false;
+      if (ClientUserTime != other.ClientUserTime) return false;
+      if (Latency50 != other.Latency50) return false;
+      if (Latency90 != other.Latency90) return false;
+      if (Latency95 != other.Latency95) return false;
+      if (Latency99 != other.Latency99) return false;
+      if (Latency999 != other.Latency999) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
-      if (Cores != 0) hash ^= Cores.GetHashCode();
+      if (Qps != 0D) hash ^= Qps.GetHashCode();
+      if (QpsPerServerCore != 0D) hash ^= QpsPerServerCore.GetHashCode();
+      if (ServerSystemTime != 0D) hash ^= ServerSystemTime.GetHashCode();
+      if (ServerUserTime != 0D) hash ^= ServerUserTime.GetHashCode();
+      if (ClientSystemTime != 0D) hash ^= ClientSystemTime.GetHashCode();
+      if (ClientUserTime != 0D) hash ^= ClientUserTime.GetHashCode();
+      if (Latency50 != 0D) hash ^= Latency50.GetHashCode();
+      if (Latency90 != 0D) hash ^= Latency90.GetHashCode();
+      if (Latency95 != 0D) hash ^= Latency95.GetHashCode();
+      if (Latency99 != 0D) hash ^= Latency99.GetHashCode();
+      if (Latency999 != 0D) hash ^= Latency999.GetHashCode();
       return hash;
     }
 
@@ -2655,26 +3037,126 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
-      if (Cores != 0) {
-        output.WriteRawTag(8);
-        output.WriteInt32(Cores);
+      if (Qps != 0D) {
+        output.WriteRawTag(9);
+        output.WriteDouble(Qps);
+      }
+      if (QpsPerServerCore != 0D) {
+        output.WriteRawTag(17);
+        output.WriteDouble(QpsPerServerCore);
+      }
+      if (ServerSystemTime != 0D) {
+        output.WriteRawTag(25);
+        output.WriteDouble(ServerSystemTime);
+      }
+      if (ServerUserTime != 0D) {
+        output.WriteRawTag(33);
+        output.WriteDouble(ServerUserTime);
+      }
+      if (ClientSystemTime != 0D) {
+        output.WriteRawTag(41);
+        output.WriteDouble(ClientSystemTime);
+      }
+      if (ClientUserTime != 0D) {
+        output.WriteRawTag(49);
+        output.WriteDouble(ClientUserTime);
+      }
+      if (Latency50 != 0D) {
+        output.WriteRawTag(57);
+        output.WriteDouble(Latency50);
+      }
+      if (Latency90 != 0D) {
+        output.WriteRawTag(65);
+        output.WriteDouble(Latency90);
+      }
+      if (Latency95 != 0D) {
+        output.WriteRawTag(73);
+        output.WriteDouble(Latency95);
+      }
+      if (Latency99 != 0D) {
+        output.WriteRawTag(81);
+        output.WriteDouble(Latency99);
+      }
+      if (Latency999 != 0D) {
+        output.WriteRawTag(89);
+        output.WriteDouble(Latency999);
       }
     }
 
     public int CalculateSize() {
       int size = 0;
-      if (Cores != 0) {
-        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Cores);
+      if (Qps != 0D) {
+        size += 1 + 8;
+      }
+      if (QpsPerServerCore != 0D) {
+        size += 1 + 8;
+      }
+      if (ServerSystemTime != 0D) {
+        size += 1 + 8;
+      }
+      if (ServerUserTime != 0D) {
+        size += 1 + 8;
+      }
+      if (ClientSystemTime != 0D) {
+        size += 1 + 8;
+      }
+      if (ClientUserTime != 0D) {
+        size += 1 + 8;
+      }
+      if (Latency50 != 0D) {
+        size += 1 + 8;
+      }
+      if (Latency90 != 0D) {
+        size += 1 + 8;
+      }
+      if (Latency95 != 0D) {
+        size += 1 + 8;
+      }
+      if (Latency99 != 0D) {
+        size += 1 + 8;
+      }
+      if (Latency999 != 0D) {
+        size += 1 + 8;
       }
       return size;
     }
 
-    public void MergeFrom(CoreResponse other) {
+    public void MergeFrom(ScenarioResultSummary other) {
       if (other == null) {
         return;
       }
-      if (other.Cores != 0) {
-        Cores = other.Cores;
+      if (other.Qps != 0D) {
+        Qps = other.Qps;
+      }
+      if (other.QpsPerServerCore != 0D) {
+        QpsPerServerCore = other.QpsPerServerCore;
+      }
+      if (other.ServerSystemTime != 0D) {
+        ServerSystemTime = other.ServerSystemTime;
+      }
+      if (other.ServerUserTime != 0D) {
+        ServerUserTime = other.ServerUserTime;
+      }
+      if (other.ClientSystemTime != 0D) {
+        ClientSystemTime = other.ClientSystemTime;
+      }
+      if (other.ClientUserTime != 0D) {
+        ClientUserTime = other.ClientUserTime;
+      }
+      if (other.Latency50 != 0D) {
+        Latency50 = other.Latency50;
+      }
+      if (other.Latency90 != 0D) {
+        Latency90 = other.Latency90;
+      }
+      if (other.Latency95 != 0D) {
+        Latency95 = other.Latency95;
+      }
+      if (other.Latency99 != 0D) {
+        Latency99 = other.Latency99;
+      }
+      if (other.Latency999 != 0D) {
+        Latency999 = other.Latency999;
       }
     }
 
@@ -2685,8 +3167,48 @@ namespace Grpc.Testing {
           default:
             input.SkipLastField();
             break;
-          case 8: {
-            Cores = input.ReadInt32();
+          case 9: {
+            Qps = input.ReadDouble();
+            break;
+          }
+          case 17: {
+            QpsPerServerCore = input.ReadDouble();
+            break;
+          }
+          case 25: {
+            ServerSystemTime = input.ReadDouble();
+            break;
+          }
+          case 33: {
+            ServerUserTime = input.ReadDouble();
+            break;
+          }
+          case 41: {
+            ClientSystemTime = input.ReadDouble();
+            break;
+          }
+          case 49: {
+            ClientUserTime = input.ReadDouble();
+            break;
+          }
+          case 57: {
+            Latency50 = input.ReadDouble();
+            break;
+          }
+          case 65: {
+            Latency90 = input.ReadDouble();
+            break;
+          }
+          case 73: {
+            Latency95 = input.ReadDouble();
+            break;
+          }
+          case 81: {
+            Latency99 = input.ReadDouble();
+            break;
+          }
+          case 89: {
+            Latency999 = input.ReadDouble();
             break;
           }
         }
@@ -2695,48 +3217,144 @@ namespace Grpc.Testing {
 
   }
 
+  /// <summary>
+  ///  Results of a single benchmark scenario.
+  /// </summary>
   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-  public sealed partial class Void : pb::IMessage<Void> {
-    private static readonly pb::MessageParser<Void> _parser = new pb::MessageParser<Void>(() => new Void());
-    public static pb::MessageParser<Void> Parser { get { return _parser; } }
+  public sealed partial class ScenarioResult : pb::IMessage<ScenarioResult> {
+    private static readonly pb::MessageParser<ScenarioResult> _parser = new pb::MessageParser<ScenarioResult>(() => new ScenarioResult());
+    public static pb::MessageParser<ScenarioResult> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[16]; }
+      get { return global::Grpc.Testing.ControlReflection.Descriptor.MessageTypes[17]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
       get { return Descriptor; }
     }
 
-    public Void() {
+    public ScenarioResult() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
-    public Void(Void other) : this() {
+    public ScenarioResult(ScenarioResult other) : this() {
+      Scenario = other.scenario_ != null ? other.Scenario.Clone() : null;
+      Latencies = other.latencies_ != null ? other.Latencies.Clone() : null;
+      clientStats_ = other.clientStats_.Clone();
+      serverStats_ = other.serverStats_.Clone();
+      serverCores_ = other.serverCores_.Clone();
+      Summary = other.summary_ != null ? other.Summary.Clone() : null;
     }
 
-    public Void Clone() {
-      return new Void(this);
+    public ScenarioResult Clone() {
+      return new ScenarioResult(this);
+    }
+
+    /// <summary>Field number for the "scenario" field.</summary>
+    public const int ScenarioFieldNumber = 1;
+    private global::Grpc.Testing.Scenario scenario_;
+    /// <summary>
+    ///  Inputs used to run the scenario.
+    /// </summary>
+    public global::Grpc.Testing.Scenario Scenario {
+      get { return scenario_; }
+      set {
+        scenario_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "latencies" field.</summary>
+    public const int LatenciesFieldNumber = 2;
+    private global::Grpc.Testing.HistogramData latencies_;
+    /// <summary>
+    ///  Histograms from all clients merged into one histogram.
+    /// </summary>
+    public global::Grpc.Testing.HistogramData Latencies {
+      get { return latencies_; }
+      set {
+        latencies_ = value;
+      }
+    }
+
+    /// <summary>Field number for the "client_stats" field.</summary>
+    public const int ClientStatsFieldNumber = 3;
+    private static readonly pb::FieldCodec<global::Grpc.Testing.ClientStats> _repeated_clientStats_codec
+        = pb::FieldCodec.ForMessage(26, global::Grpc.Testing.ClientStats.Parser);
+    private readonly pbc::RepeatedField<global::Grpc.Testing.ClientStats> clientStats_ = new pbc::RepeatedField<global::Grpc.Testing.ClientStats>();
+    /// <summary>
+    ///  Client stats for each client
+    /// </summary>
+    public pbc::RepeatedField<global::Grpc.Testing.ClientStats> ClientStats {
+      get { return clientStats_; }
+    }
+
+    /// <summary>Field number for the "server_stats" field.</summary>
+    public const int ServerStatsFieldNumber = 4;
+    private static readonly pb::FieldCodec<global::Grpc.Testing.ServerStats> _repeated_serverStats_codec
+        = pb::FieldCodec.ForMessage(34, global::Grpc.Testing.ServerStats.Parser);
+    private readonly pbc::RepeatedField<global::Grpc.Testing.ServerStats> serverStats_ = new pbc::RepeatedField<global::Grpc.Testing.ServerStats>();
+    /// <summary>
+    ///  Server stats for each server
+    /// </summary>
+    public pbc::RepeatedField<global::Grpc.Testing.ServerStats> ServerStats {
+      get { return serverStats_; }
+    }
+
+    /// <summary>Field number for the "server_cores" field.</summary>
+    public const int ServerCoresFieldNumber = 5;
+    private static readonly pb::FieldCodec<int> _repeated_serverCores_codec
+        = pb::FieldCodec.ForInt32(42);
+    private readonly pbc::RepeatedField<int> serverCores_ = new pbc::RepeatedField<int>();
+    /// <summary>
+    ///  Number of cores available to each server
+    /// </summary>
+    public pbc::RepeatedField<int> ServerCores {
+      get { return serverCores_; }
+    }
+
+    /// <summary>Field number for the "summary" field.</summary>
+    public const int SummaryFieldNumber = 6;
+    private global::Grpc.Testing.ScenarioResultSummary summary_;
+    /// <summary>
+    ///  An after-the-fact computed summary
+    /// </summary>
+    public global::Grpc.Testing.ScenarioResultSummary Summary {
+      get { return summary_; }
+      set {
+        summary_ = value;
+      }
     }
 
     public override bool Equals(object other) {
-      return Equals(other as Void);
+      return Equals(other as ScenarioResult);
     }
 
-    public bool Equals(Void other) {
+    public bool Equals(ScenarioResult other) {
       if (ReferenceEquals(other, null)) {
         return false;
       }
       if (ReferenceEquals(other, this)) {
         return true;
       }
+      if (!object.Equals(Scenario, other.Scenario)) return false;
+      if (!object.Equals(Latencies, other.Latencies)) return false;
+      if(!clientStats_.Equals(other.clientStats_)) return false;
+      if(!serverStats_.Equals(other.serverStats_)) return false;
+      if(!serverCores_.Equals(other.serverCores_)) return false;
+      if (!object.Equals(Summary, other.Summary)) return false;
       return true;
     }
 
     public override int GetHashCode() {
       int hash = 1;
+      if (scenario_ != null) hash ^= Scenario.GetHashCode();
+      if (latencies_ != null) hash ^= Latencies.GetHashCode();
+      hash ^= clientStats_.GetHashCode();
+      hash ^= serverStats_.GetHashCode();
+      hash ^= serverCores_.GetHashCode();
+      if (summary_ != null) hash ^= Summary.GetHashCode();
       return hash;
     }
 
@@ -2745,17 +3363,65 @@ namespace Grpc.Testing {
     }
 
     public void WriteTo(pb::CodedOutputStream output) {
+      if (scenario_ != null) {
+        output.WriteRawTag(10);
+        output.WriteMessage(Scenario);
+      }
+      if (latencies_ != null) {
+        output.WriteRawTag(18);
+        output.WriteMessage(Latencies);
+      }
+      clientStats_.WriteTo(output, _repeated_clientStats_codec);
+      serverStats_.WriteTo(output, _repeated_serverStats_codec);
+      serverCores_.WriteTo(output, _repeated_serverCores_codec);
+      if (summary_ != null) {
+        output.WriteRawTag(50);
+        output.WriteMessage(Summary);
+      }
     }
 
     public int CalculateSize() {
       int size = 0;
+      if (scenario_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Scenario);
+      }
+      if (latencies_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Latencies);
+      }
+      size += clientStats_.CalculateSize(_repeated_clientStats_codec);
+      size += serverStats_.CalculateSize(_repeated_serverStats_codec);
+      size += serverCores_.CalculateSize(_repeated_serverCores_codec);
+      if (summary_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Summary);
+      }
       return size;
     }
 
-    public void MergeFrom(Void other) {
+    public void MergeFrom(ScenarioResult other) {
       if (other == null) {
         return;
       }
+      if (other.scenario_ != null) {
+        if (scenario_ == null) {
+          scenario_ = new global::Grpc.Testing.Scenario();
+        }
+        Scenario.MergeFrom(other.Scenario);
+      }
+      if (other.latencies_ != null) {
+        if (latencies_ == null) {
+          latencies_ = new global::Grpc.Testing.HistogramData();
+        }
+        Latencies.MergeFrom(other.Latencies);
+      }
+      clientStats_.Add(other.clientStats_);
+      serverStats_.Add(other.serverStats_);
+      serverCores_.Add(other.serverCores_);
+      if (other.summary_ != null) {
+        if (summary_ == null) {
+          summary_ = new global::Grpc.Testing.ScenarioResultSummary();
+        }
+        Summary.MergeFrom(other.Summary);
+      }
     }
 
     public void MergeFrom(pb::CodedInputStream input) {
@@ -2765,6 +3431,40 @@ namespace Grpc.Testing {
           default:
             input.SkipLastField();
             break;
+          case 10: {
+            if (scenario_ == null) {
+              scenario_ = new global::Grpc.Testing.Scenario();
+            }
+            input.ReadMessage(scenario_);
+            break;
+          }
+          case 18: {
+            if (latencies_ == null) {
+              latencies_ = new global::Grpc.Testing.HistogramData();
+            }
+            input.ReadMessage(latencies_);
+            break;
+          }
+          case 26: {
+            clientStats_.AddEntriesFrom(input, _repeated_clientStats_codec);
+            break;
+          }
+          case 34: {
+            serverStats_.AddEntriesFrom(input, _repeated_serverStats_codec);
+            break;
+          }
+          case 42:
+          case 40: {
+            serverCores_.AddEntriesFrom(input, _repeated_serverCores_codec);
+            break;
+          }
+          case 50: {
+            if (summary_ == null) {
+              summary_ = new global::Grpc.Testing.ScenarioResultSummary();
+            }
+            input.ReadMessage(summary_);
+            break;
+          }
         }
       }
     }
diff --git a/src/csharp/Grpc.IntegrationTesting/GeneratedClientTest.cs b/src/csharp/Grpc.IntegrationTesting/GeneratedClientTest.cs
new file mode 100644
index 0000000000000000000000000000000000000000..37786b6c30a79eb8be5eb2b969f0e0e672b01fb9
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting/GeneratedClientTest.cs
@@ -0,0 +1,106 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using Grpc.Testing;
+using Moq;
+using NUnit.Framework;
+
+namespace Grpc.IntegrationTesting
+{
+    public class GeneratedClientTest
+    {
+        TestService.TestServiceClient unimplementedClient = new UnimplementedTestServiceClient();
+
+        [Test]
+        public void ExpandedParamOverloadCanBeMocked()
+        {
+            var expected = new SimpleResponse();
+
+            var mockClient = new Mock<TestService.TestServiceClient>();
+            // mocking is relatively clumsy because one needs to specify value for all the optional params.
+            mockClient.Setup(m => m.UnaryCall(It.IsAny<SimpleRequest>(), null, null, CancellationToken.None)).Returns(expected);
+
+            Assert.AreSame(expected, mockClient.Object.UnaryCall(new SimpleRequest()));
+        }
+
+        [Test]
+        public void CallOptionsOverloadCanBeMocked()
+        {
+            var expected = new SimpleResponse();
+
+            var mockClient = new Mock<TestService.TestServiceClient>();
+            mockClient.Setup(m => m.UnaryCall(It.IsAny<SimpleRequest>(), It.IsAny<CallOptions>())).Returns(expected);
+
+            Assert.AreSame(expected, mockClient.Object.UnaryCall(new SimpleRequest(), new CallOptions()));
+        }
+
+        [Test]
+        public void DefaultMethodStubThrows_UnaryCall()
+        {
+            Assert.Throws(typeof(NotImplementedException), () => unimplementedClient.UnaryCall(new SimpleRequest()));
+        }
+
+        [Test]
+        public void DefaultMethodStubThrows_ClientStreaming()
+        {
+            Assert.Throws(typeof(NotImplementedException), () => unimplementedClient.StreamingInputCall());
+        }
+
+        [Test]
+        public void DefaultMethodStubThrows_ServerStreaming()
+        {
+            Assert.Throws(typeof(NotImplementedException), () => unimplementedClient.StreamingOutputCall(new StreamingOutputCallRequest()));
+        }
+
+        [Test]
+        public void DefaultMethodStubThrows_DuplexStreaming()
+        {
+            Assert.Throws(typeof(NotImplementedException), () => unimplementedClient.FullDuplexCall());
+        }
+
+        /// <summary>
+        /// Subclass of the generated client that doesn't override any method stubs.
+        /// </summary>
+        private class UnimplementedTestServiceClient : TestService.TestServiceClient
+        {
+        }
+    }
+}
diff --git a/src/csharp/Grpc.IntegrationTesting/HeaderInterceptorTest.cs b/src/csharp/Grpc.IntegrationTesting/GeneratedServiceBaseTest.cs
similarity index 58%
rename from src/csharp/Grpc.IntegrationTesting/HeaderInterceptorTest.cs
rename to src/csharp/Grpc.IntegrationTesting/GeneratedServiceBaseTest.cs
index 1d758b75402087b73f91ec5eae4f1573f7168d1e..5fd0e14e78ddcca9ec1a359d04202d08b1f8efe5 100644
--- a/src/csharp/Grpc.IntegrationTesting/HeaderInterceptorTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/GeneratedServiceBaseTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -33,38 +33,39 @@
 
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Grpc.Core;
 using Grpc.Core.Utils;
 using Grpc.Testing;
+using Moq;
 using NUnit.Framework;
 
 namespace Grpc.IntegrationTesting
 {
-    public class HeaderInterceptorTest
+    public class GeneratedServiceBaseTest
     {
         const string Host = "localhost";
         Server server;
         Channel channel;
         TestService.TestServiceClient client;
 
-        [TestFixtureSetUp]
+        [SetUp]
         public void Init()
         {
             server = new Server
             {
-                Services = { TestService.BindService(new TestServiceImpl()) },
-                Ports = { { Host, ServerPort.PickUnused, ServerCredentials.Insecure } }
+                Services = { TestService.BindService(new UnimplementedTestServiceImpl()) },
+                Ports = { { Host, ServerPort.PickUnused, SslServerCredentials.Insecure } }
             };
             server.Start();
-
             channel = new Channel(Host, server.Ports.Single().BoundPort, ChannelCredentials.Insecure);
             client = TestService.NewClient(channel);
         }
 
-        [TestFixtureTearDown]
+        [TearDown]
         public void Cleanup()
         {
             channel.ShutdownAsync().Wait();
@@ -72,42 +73,44 @@ namespace Grpc.IntegrationTesting
         }
 
         [Test]
-        public async Task HeaderInterceptor_CreateMetadata()
+        public void UnimplementedByDefault_Unary()
         {
-            var key = "x-grpc-test-echo-initial";
-            client.HeaderInterceptor = new HeaderInterceptor((method, metadata) =>
-            {
-                metadata.Add(key, "ABC");
-            });
+            var ex = Assert.Throws<RpcException>(() => client.UnaryCall(new SimpleRequest { }));
+            Assert.AreEqual(StatusCode.Unimplemented, ex.Status.StatusCode);
+        }
 
-            var call = client.UnaryCallAsync(new SimpleRequest());
-            await call;
+        [Test]
+        public async Task UnimplementedByDefault_ClientStreaming()
+        {
+            var call = client.StreamingInputCall();
 
-           var responseHeaders = await call.ResponseHeadersAsync;
-           Assert.AreEqual("ABC", responseHeaders.First((entry) => entry.Key == key).Value);
+            var ex = Assert.ThrowsAsync<RpcException>(async () => await call);
+            Assert.AreEqual(StatusCode.Unimplemented, ex.Status.StatusCode);
         }
 
         [Test]
-        public async Task HeaderInterceptor_AppendMetadata()
+        public async Task UnimplementedByDefault_ServerStreamingCall()
         {
-            var initialKey = "x-grpc-test-echo-initial";
-            var trailingKey = "x-grpc-test-echo-trailing-bin";
+            var call = client.StreamingOutputCall(new StreamingOutputCallRequest());
 
-            client.HeaderInterceptor = new HeaderInterceptor((method, metadata) =>
-            {
-                metadata.Add(initialKey, "ABC");
-            });
+            var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.MoveNext());
+            Assert.AreEqual(StatusCode.Unimplemented, ex.Status.StatusCode);
+        }
 
-            var headers = new Metadata
-            {
-                { trailingKey, new byte[] {0xaa} }
-            };
-            var call = client.UnaryCallAsync(new SimpleRequest(), headers: headers);
-            await call;
+        [Test]
+        public async Task UnimplementedByDefault_DuplexStreamingCall()
+        {
+            var call = client.FullDuplexCall();
 
-            var responseHeaders = await call.ResponseHeadersAsync;
-            Assert.AreEqual("ABC", responseHeaders.First((entry) => entry.Key == initialKey).Value);
-            CollectionAssert.AreEqual(new byte[] {0xaa}, call.GetTrailers().First((entry) => entry.Key == trailingKey).ValueBytes);
+            var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.MoveNext());
+            Assert.AreEqual(StatusCode.Unimplemented, ex.Status.StatusCode);
+        }
+
+        /// <summary>
+        /// Implementation of TestService that doesn't override any methods.
+        /// </summary>
+        private class UnimplementedTestServiceImpl : TestService.TestServiceBase
+        {
         }
     }
 }
diff --git a/src/csharp/Grpc.IntegrationTesting/GenericService.cs b/src/csharp/Grpc.IntegrationTesting/GenericService.cs
new file mode 100644
index 0000000000000000000000000000000000000000..c6128264ac56776f5e92cf9314f723259c64cfb5
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting/GenericService.cs
@@ -0,0 +1,71 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using Google.Protobuf;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using NUnit.Framework;
+using Grpc.Testing;
+
+namespace Grpc.IntegrationTesting
+{
+    /// <summary>
+    /// Utility methods for defining and calling a service that doesn't use protobufs
+    /// for serialization/deserialization.
+    /// </summary>
+    public static class GenericService
+    {
+        readonly static Marshaller<byte[]> ByteArrayMarshaller = new Marshaller<byte[]>((b) => b, (b) => b);
+
+        public readonly static Method<byte[], byte[]> StreamingCallMethod = new Method<byte[], byte[]>(
+            MethodType.DuplexStreaming,
+            "grpc.testing.BenchmarkService",
+            "StreamingCall",
+            ByteArrayMarshaller,
+            ByteArrayMarshaller
+        );
+
+        public static ServerServiceDefinition BindHandler(DuplexStreamingServerMethod<byte[], byte[]> handler)
+        {
+            return ServerServiceDefinition.CreateBuilder(StreamingCallMethod.ServiceName)
+                .AddMethod(StreamingCallMethod, handler).Build();
+        }
+    }
+}
diff --git a/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj b/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj
index 372991374eeb3d6f40934770c6e358dcfeb068f7..9685cf18377234eb2aa2417259ef50e20be852e8 100644
--- a/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj
+++ b/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj
@@ -4,11 +4,11 @@
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{C61154BA-DD4A-4838-8420-0162A28925E0}</ProjectGuid>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <RootNamespace>Grpc.IntegrationTesting</RootNamespace>
     <AssemblyName>Grpc.IntegrationTesting</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>6566287f</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>3a1c655d</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -41,57 +41,45 @@
     <Reference Include="CommandLine">
       <HintPath>..\packages\CommandLineParser.1.9.71\lib\net45\CommandLine.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.dll</HintPath>
-    </Reference>
-    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.10.0.25333, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Auth.1.10.0\lib\net40\Google.Apis.Auth.PlatformServices.dll</HintPath>
-    </Reference>
-    <Reference Include="Google.Apis.Core, Version=1.10.0.25331, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Apis.Core.1.10.0\lib\portable-net40+sl50+win+wpa81+wp80\Google.Apis.Core.dll</HintPath>
-    </Reference>
-    <Reference Include="Google.Protobuf, Version=3.0.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
-    </Reference>
     <Reference Include="Moq">
       <HintPath>..\packages\Moq.4.2.1510.2205\lib\net40\Moq.dll</HintPath>
     </Reference>
-    <Reference Include="nunit.framework">
-      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
-    </Reference>
     <Reference Include="System" />
-    <Reference Include="System.Interactive.Async, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
-    </Reference>
     <Reference Include="System.Net" />
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Net.Http.WebRequest" />
     <Reference Include="BouncyCastle.Crypto">
       <HintPath>..\packages\BouncyCastle.1.7.0\lib\Net40-Client\BouncyCastle.Crypto.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Threading.Tasks">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.dll</HintPath>
+    <Reference Include="Google.Apis.Auth">
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.dll</HintPath>
+    <Reference Include="Google.Apis.Auth.PlatformServices">
+      <HintPath>..\packages\Google.Apis.Auth.1.11.1\lib\net45\Google.Apis.Auth.PlatformServices.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions.Desktop">
-      <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.Desktop.dll</HintPath>
+    <Reference Include="Google.Apis.Core">
+      <HintPath>..\packages\Google.Apis.Core.1.11.1\lib\net45\Google.Apis.Core.dll</HintPath>
+    </Reference>
+    <Reference Include="Google.Protobuf">
+      <HintPath>..\packages\Google.Protobuf.3.0.0-beta2\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json">
       <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
+    <Reference Include="nunit.framework">
+      <HintPath>..\packages\NUnit.3.2.0\lib\net45\nunit.framework.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Interactive.Async">
+      <HintPath>..\packages\Ix-Async.1.2.5\lib\net45\System.Interactive.Async.dll</HintPath>
+    </Reference>
+    <Reference Include="nunitlite">
+      <HintPath>..\packages\NUnitLite.3.2.0\lib\net45\nunitlite.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\Grpc.Core\Version.cs">
       <Link>Version.cs</Link>
     </Compile>
-    <Compile Include="HeaderInterceptorTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Empty.cs" />
     <Compile Include="Messages.cs" />
@@ -120,6 +108,14 @@
     <Compile Include="WorkerServiceImpl.cs" />
     <Compile Include="QpsWorker.cs" />
     <Compile Include="WallClockStopwatch.cs" />
+    <Compile Include="GenericService.cs" />
+    <Compile Include="GeneratedServiceBaseTest.cs" />
+    <Compile Include="GeneratedClientTest.cs" />
+    <Compile Include="InterarrivalTimers.cs" />
+    <Compile Include="NUnitMain.cs" />
+    <Compile Include="StressTestClient.cs" />
+    <Compile Include="Metrics.cs" />
+    <Compile Include="MetricsGrpc.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
@@ -133,8 +129,9 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <None Include="app.config" />
-    <None Include="packages.config" />
+    <None Include="packages.config">
+      <SubType>Designer</SubType>
+    </None>
     <None Include="data\README">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
@@ -151,11 +148,4 @@
   <ItemGroup>
     <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
   </ItemGroup>
-  <Import Project="..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets'))" />
-  </Target>
 </Project>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting/Histogram.cs b/src/csharp/Grpc.IntegrationTesting/Histogram.cs
index 08a674d8178dc13e30bd49645c7757827b52325c..28d1f078a935d635adf551bbb97333939b4c4657 100644
--- a/src/csharp/Grpc.IntegrationTesting/Histogram.cs
+++ b/src/csharp/Grpc.IntegrationTesting/Histogram.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.IntegrationTesting/InterarrivalTimers.cs b/src/csharp/Grpc.IntegrationTesting/InterarrivalTimers.cs
new file mode 100644
index 0000000000000000000000000000000000000000..6492d34890da6239ceef8e99fdec3b28ec0aaff6
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting/InterarrivalTimers.cs
@@ -0,0 +1,148 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Threading.Tasks;
+using Google.Protobuf;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using Grpc.Testing;
+
+namespace Grpc.IntegrationTesting
+{
+    public interface IInterarrivalTimer
+    {
+        void WaitForNext();
+
+        Task WaitForNextAsync();
+    }
+
+    /// <summary>
+    /// Interarrival timer that doesn't wait at all.
+    /// </summary>
+    public class ClosedLoopInterarrivalTimer : IInterarrivalTimer
+    {
+        public ClosedLoopInterarrivalTimer()
+        {
+        }
+
+        public void WaitForNext()
+        {
+            // NOP
+        }
+
+        public Task WaitForNextAsync()
+        {
+            return Task.FromResult<object>(null);
+        }
+    }
+
+    /// <summary>
+    /// Interarrival timer that generates Poisson process load.
+    /// </summary>
+    public class PoissonInterarrivalTimer : IInterarrivalTimer
+    {
+        readonly ExponentialDistribution exponentialDistribution;
+        DateTime? lastEventTime;
+
+        public PoissonInterarrivalTimer(double offeredLoad)
+        {
+            this.exponentialDistribution = new ExponentialDistribution(new Random(), offeredLoad);
+            this.lastEventTime = DateTime.UtcNow;
+        }
+
+        public void WaitForNext()
+        {
+            var waitDuration = GetNextWaitDuration();
+            int millisTimeout = (int) Math.Round(waitDuration.TotalMilliseconds);
+            if (millisTimeout > 0)
+            {
+                // TODO(jtattermusch): probably only works well for a relatively low interarrival rate
+                Thread.Sleep(millisTimeout);
+            }
+        }
+
+        public async Task WaitForNextAsync()
+        {
+            var waitDuration = GetNextWaitDuration();
+            int millisTimeout = (int) Math.Round(waitDuration.TotalMilliseconds);
+            if (millisTimeout > 0)
+            {
+                // TODO(jtattermusch): probably only works well for a relatively low interarrival rate
+                await Task.Delay(millisTimeout);
+            }
+        }
+
+        private TimeSpan GetNextWaitDuration()
+        {
+            if (!lastEventTime.HasValue)
+            {
+                this.lastEventTime = DateTime.Now;
+            }
+
+            var origLastEventTime = this.lastEventTime.Value;
+            this.lastEventTime = origLastEventTime + TimeSpan.FromSeconds(exponentialDistribution.Next());
+            return this.lastEventTime.Value - origLastEventTime;
+        }
+
+        /// <summary>
+        /// Exp generator.
+        /// </summary>
+        private class ExponentialDistribution
+        {
+            readonly Random random;
+            readonly double lambda;
+            readonly double lambdaReciprocal;
+
+            public ExponentialDistribution(Random random, double lambda)
+            {
+                this.random = random;
+                this.lambda = lambda;
+                this.lambdaReciprocal = 1.0 / lambda;
+            }
+
+            public double Next()
+            {
+                double uniform = random.NextDouble();
+                // Use 1.0-uni above to avoid NaN if uni is 0
+                return lambdaReciprocal * (-Math.Log(1.0 - uniform));
+            }
+        }
+    }
+}
diff --git a/src/csharp/Grpc.IntegrationTesting/InteropClient.cs b/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
index b0e33e49f77eefabf6a80ada6e0b22e2ab6f2fae..543651796038ef41979c2850c4fc1bc1fe70d7bf 100644
--- a/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
+++ b/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -217,7 +217,7 @@ namespace Grpc.IntegrationTesting
             }
         }
 
-        public static void RunEmptyUnary(TestService.ITestServiceClient client)
+        public static void RunEmptyUnary(TestService.TestServiceClient client)
         {
             Console.WriteLine("running empty_unary");
             var response = client.EmptyCall(new Empty());
@@ -225,7 +225,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static void RunLargeUnary(TestService.ITestServiceClient client)
+        public static void RunLargeUnary(TestService.TestServiceClient client)
         {
             Console.WriteLine("running large_unary");
             var request = new SimpleRequest
@@ -241,7 +241,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunClientStreamingAsync(TestService.ITestServiceClient client)
+        public static async Task RunClientStreamingAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running client_streaming");
 
@@ -257,7 +257,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunServerStreamingAsync(TestService.ITestServiceClient client)
+        public static async Task RunServerStreamingAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running server_streaming");
 
@@ -281,7 +281,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunPingPongAsync(TestService.ITestServiceClient client)
+        public static async Task RunPingPongAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running ping_pong");
 
@@ -338,7 +338,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunEmptyStreamAsync(TestService.ITestServiceClient client)
+        public static async Task RunEmptyStreamAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running empty_stream");
             using (var call = client.FullDuplexCall())
@@ -434,7 +434,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunCancelAfterBeginAsync(TestService.ITestServiceClient client)
+        public static async Task RunCancelAfterBeginAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running cancel_after_begin");
 
@@ -445,13 +445,13 @@ namespace Grpc.IntegrationTesting
                 await Task.Delay(1000);
                 cts.Cancel();
 
-                var ex = Assert.Throws<RpcException>(async () => await call.ResponseAsync);
+                var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseAsync);
                 Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
             }
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunCancelAfterFirstResponseAsync(TestService.ITestServiceClient client)
+        public static async Task RunCancelAfterFirstResponseAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running cancel_after_first_response");
 
@@ -471,13 +471,13 @@ namespace Grpc.IntegrationTesting
 
                 cts.Cancel();
 
-                var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.MoveNext());
+                var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.MoveNext());
                 Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
             }
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunTimeoutOnSleepingServerAsync(TestService.ITestServiceClient client)
+        public static async Task RunTimeoutOnSleepingServerAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running timeout_on_sleeping_server");
 
@@ -493,13 +493,13 @@ namespace Grpc.IntegrationTesting
                     // Deadline was reached before write has started. Eat the exception and continue.
                 }
 
-                var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.MoveNext());
+                var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.MoveNext());
                 Assert.AreEqual(StatusCode.DeadlineExceeded, ex.Status.StatusCode);
             }
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunCustomMetadataAsync(TestService.ITestServiceClient client)
+        public static async Task RunCustomMetadataAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running custom_metadata");
             {
@@ -546,7 +546,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunStatusCodeAndMessageAsync(TestService.ITestServiceClient client)
+        public static async Task RunStatusCodeAndMessageAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running status_code_and_message");
             var echoStatus = new EchoStatus
@@ -572,7 +572,7 @@ namespace Grpc.IntegrationTesting
                 await call.RequestStream.WriteAsync(request);
                 await call.RequestStream.CompleteAsync();
 
-                var e = Assert.Throws<RpcException>(async () => await call.ResponseStream.ToListAsync());
+                var e = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.ToListAsync());
                 Assert.AreEqual(StatusCode.Unknown, e.Status.StatusCode);
                 Assert.AreEqual(echoStatus.Message, e.Status.Detail);
             }
@@ -580,7 +580,7 @@ namespace Grpc.IntegrationTesting
             Console.WriteLine("Passed!");
         }
 
-        public static void RunUnimplementedMethod(UnimplementedService.IUnimplementedServiceClient client)
+        public static void RunUnimplementedMethod(UnimplementedService.UnimplementedServiceClient client)
         {
             Console.WriteLine("running unimplemented_method");
             var e = Assert.Throws<RpcException>(() => client.UnimplementedCall(new Empty()));
diff --git a/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs b/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs
index 0d12c4168c9f37eabfe3aebed206201592ef8553..4ee1ff5ec8ae8f94a617a58c671d4dab104d1ea4 100644
--- a/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -51,7 +51,7 @@ namespace Grpc.IntegrationTesting
         const string Host = "localhost";
         Server server;
         Channel channel;
-        TestService.ITestServiceClient client;
+        TestService.TestServiceClient client;
 
         [TestFixtureSetUp]
         public void Init()
diff --git a/src/csharp/Grpc.IntegrationTesting/Messages.cs b/src/csharp/Grpc.IntegrationTesting/Messages.cs
index 7ca47860f65b1f64f70c994c04c879b0635a6cc4..fcff4759417ec61d2a0cabfe0464436fd14119b9 100644
--- a/src/csharp/Grpc.IntegrationTesting/Messages.cs
+++ b/src/csharp/Grpc.IntegrationTesting/Messages.cs
@@ -47,11 +47,12 @@ namespace Grpc.Testing {
             "c3Npb24YBiABKA4yHS5ncnBjLnRlc3RpbmcuQ29tcHJlc3Npb25UeXBlEjEK",
             "D3Jlc3BvbnNlX3N0YXR1cxgHIAEoCzIYLmdycGMudGVzdGluZy5FY2hvU3Rh",
             "dHVzIkUKG1N0cmVhbWluZ091dHB1dENhbGxSZXNwb25zZRImCgdwYXlsb2Fk",
-            "GAEgASgLMhUuZ3JwYy50ZXN0aW5nLlBheWxvYWQiMwoNUmVjb25uZWN0SW5m",
-            "bxIOCgZwYXNzZWQYASABKAgSEgoKYmFja29mZl9tcxgCIAMoBSo/CgtQYXls",
-            "b2FkVHlwZRIQCgxDT01QUkVTU0FCTEUQABISCg5VTkNPTVBSRVNTQUJMRRAB",
-            "EgoKBlJBTkRPTRACKjIKD0NvbXByZXNzaW9uVHlwZRIICgROT05FEAASCAoE",
-            "R1pJUBABEgsKB0RFRkxBVEUQAmIGcHJvdG8z"));
+            "GAEgASgLMhUuZ3JwYy50ZXN0aW5nLlBheWxvYWQiMwoPUmVjb25uZWN0UGFy",
+            "YW1zEiAKGG1heF9yZWNvbm5lY3RfYmFja29mZl9tcxgBIAEoBSIzCg1SZWNv",
+            "bm5lY3RJbmZvEg4KBnBhc3NlZBgBIAEoCBISCgpiYWNrb2ZmX21zGAIgAygF",
+            "Kj8KC1BheWxvYWRUeXBlEhAKDENPTVBSRVNTQUJMRRAAEhIKDlVOQ09NUFJF",
+            "U1NBQkxFEAESCgoGUkFORE9NEAIqMgoPQ29tcHJlc3Npb25UeXBlEggKBE5P",
+            "TkUQABIICgRHWklQEAESCwoHREVGTEFURRACYgZwcm90bzM="));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { },
           new pbr::GeneratedCodeInfo(new[] {typeof(global::Grpc.Testing.PayloadType), typeof(global::Grpc.Testing.CompressionType), }, new pbr::GeneratedCodeInfo[] {
@@ -64,6 +65,7 @@ namespace Grpc.Testing {
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ResponseParameters), global::Grpc.Testing.ResponseParameters.Parser, new[]{ "Size", "IntervalUs" }, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.StreamingOutputCallRequest), global::Grpc.Testing.StreamingOutputCallRequest.Parser, new[]{ "ResponseType", "ResponseParameters", "Payload", "ResponseCompression", "ResponseStatus" }, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.StreamingOutputCallResponse), global::Grpc.Testing.StreamingOutputCallResponse.Parser, new[]{ "Payload" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ReconnectParams), global::Grpc.Testing.ReconnectParams.Parser, new[]{ "MaxReconnectBackoffMs" }, null, null, null),
             new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ReconnectInfo), global::Grpc.Testing.ReconnectInfo.Parser, new[]{ "Passed", "BackoffMs" }, null, null, null)
           }));
     }
@@ -1572,6 +1574,113 @@ namespace Grpc.Testing {
 
   }
 
+  /// <summary>
+  ///  For reconnect interop test only.
+  ///  Client tells server what reconnection parameters it used.
+  /// </summary>
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class ReconnectParams : pb::IMessage<ReconnectParams> {
+    private static readonly pb::MessageParser<ReconnectParams> _parser = new pb::MessageParser<ReconnectParams>(() => new ReconnectParams());
+    public static pb::MessageParser<ReconnectParams> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.MessagesReflection.Descriptor.MessageTypes[9]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public ReconnectParams() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public ReconnectParams(ReconnectParams other) : this() {
+      maxReconnectBackoffMs_ = other.maxReconnectBackoffMs_;
+    }
+
+    public ReconnectParams Clone() {
+      return new ReconnectParams(this);
+    }
+
+    /// <summary>Field number for the "max_reconnect_backoff_ms" field.</summary>
+    public const int MaxReconnectBackoffMsFieldNumber = 1;
+    private int maxReconnectBackoffMs_;
+    public int MaxReconnectBackoffMs {
+      get { return maxReconnectBackoffMs_; }
+      set {
+        maxReconnectBackoffMs_ = value;
+      }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as ReconnectParams);
+    }
+
+    public bool Equals(ReconnectParams other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if (MaxReconnectBackoffMs != other.MaxReconnectBackoffMs) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      if (MaxReconnectBackoffMs != 0) hash ^= MaxReconnectBackoffMs.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.ToDiagnosticString(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      if (MaxReconnectBackoffMs != 0) {
+        output.WriteRawTag(8);
+        output.WriteInt32(MaxReconnectBackoffMs);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      if (MaxReconnectBackoffMs != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(MaxReconnectBackoffMs);
+      }
+      return size;
+    }
+
+    public void MergeFrom(ReconnectParams other) {
+      if (other == null) {
+        return;
+      }
+      if (other.MaxReconnectBackoffMs != 0) {
+        MaxReconnectBackoffMs = other.MaxReconnectBackoffMs;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+          case 8: {
+            MaxReconnectBackoffMs = input.ReadInt32();
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
   /// <summary>
   ///  For reconnect interop test only.
   ///  Server tells client whether its reconnects are following the spec and the
@@ -1583,7 +1692,7 @@ namespace Grpc.Testing {
     public static pb::MessageParser<ReconnectInfo> Parser { get { return _parser; } }
 
     public static pbr::MessageDescriptor Descriptor {
-      get { return global::Grpc.Testing.MessagesReflection.Descriptor.MessageTypes[9]; }
+      get { return global::Grpc.Testing.MessagesReflection.Descriptor.MessageTypes[10]; }
     }
 
     pbr::MessageDescriptor pb::IMessage.Descriptor {
diff --git a/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs b/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs
index 1c8bfed1f6fc225a689bd260d570176951405f4b..f95af5008f1c30c75729ce55bef7b4e6c31eb530 100644
--- a/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -50,15 +50,15 @@ namespace Grpc.IntegrationTesting
         const string Host = "localhost";
         Server server;
         Channel channel;
-        TestService.ITestServiceClient client;
+        TestService.TestServiceClient client;
         List<ChannelOption> options;
-        Mock<TestService.ITestService> serviceMock;
+        Mock<TestService.TestServiceBase> serviceMock;
         AsyncAuthInterceptor asyncAuthInterceptor;
 
         [SetUp]
         public void Init()
         {
-            serviceMock = new Mock<TestService.ITestService>();
+            serviceMock = new Mock<TestService.TestServiceBase>();
             serviceMock.Setup(m => m.UnaryCall(It.IsAny<SimpleRequest>(), It.IsAny<ServerCallContext>()))
                 .Returns(new Func<SimpleRequest, ServerCallContext, Task<SimpleResponse>>(UnaryCallHandler));
 
diff --git a/src/csharp/Grpc.IntegrationTesting/Metrics.cs b/src/csharp/Grpc.IntegrationTesting/Metrics.cs
new file mode 100644
index 0000000000000000000000000000000000000000..3163949d32b99c87dc4c13acc1e3858aa0188d83
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting/Metrics.cs
@@ -0,0 +1,452 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: src/proto/grpc/testing/metrics.proto
+#pragma warning disable 1591, 0612, 3021
+#region Designer generated code
+
+using pb = global::Google.Protobuf;
+using pbc = global::Google.Protobuf.Collections;
+using pbr = global::Google.Protobuf.Reflection;
+using scg = global::System.Collections.Generic;
+namespace Grpc.Testing {
+
+  /// <summary>Holder for reflection information generated from src/proto/grpc/testing/metrics.proto</summary>
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public static partial class MetricsReflection {
+
+    #region Descriptor
+    /// <summary>File descriptor for src/proto/grpc/testing/metrics.proto</summary>
+    public static pbr::FileDescriptor Descriptor {
+      get { return descriptor; }
+    }
+    private static pbr::FileDescriptor descriptor;
+
+    static MetricsReflection() {
+      byte[] descriptorData = global::System.Convert.FromBase64String(
+          string.Concat(
+            "CiRzcmMvcHJvdG8vZ3JwYy90ZXN0aW5nL21ldHJpY3MucHJvdG8SDGdycGMu",
+            "dGVzdGluZyJsCg1HYXVnZVJlc3BvbnNlEgwKBG5hbWUYASABKAkSFAoKbG9u",
+            "Z192YWx1ZRgCIAEoA0gAEhYKDGRvdWJsZV92YWx1ZRgDIAEoAUgAEhYKDHN0",
+            "cmluZ192YWx1ZRgEIAEoCUgAQgcKBXZhbHVlIhwKDEdhdWdlUmVxdWVzdBIM",
+            "CgRuYW1lGAEgASgJIg4KDEVtcHR5TWVzc2FnZTKgAQoOTWV0cmljc1NlcnZp",
+            "Y2USSQoMR2V0QWxsR2F1Z2VzEhouZ3JwYy50ZXN0aW5nLkVtcHR5TWVzc2Fn",
+            "ZRobLmdycGMudGVzdGluZy5HYXVnZVJlc3BvbnNlMAESQwoIR2V0R2F1Z2US",
+            "Gi5ncnBjLnRlc3RpbmcuR2F1Z2VSZXF1ZXN0GhsuZ3JwYy50ZXN0aW5nLkdh",
+            "dWdlUmVzcG9uc2ViBnByb3RvMw=="));
+      descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
+          new pbr::FileDescriptor[] { },
+          new pbr::GeneratedCodeInfo(null, new pbr::GeneratedCodeInfo[] {
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.GaugeResponse), global::Grpc.Testing.GaugeResponse.Parser, new[]{ "Name", "LongValue", "DoubleValue", "StringValue" }, new[]{ "Value" }, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.GaugeRequest), global::Grpc.Testing.GaugeRequest.Parser, new[]{ "Name" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.EmptyMessage), global::Grpc.Testing.EmptyMessage.Parser, null, null, null, null)
+          }));
+    }
+    #endregion
+
+  }
+  #region Messages
+  /// <summary>
+  ///  Reponse message containing the gauge name and value
+  /// </summary>
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class GaugeResponse : pb::IMessage<GaugeResponse> {
+    private static readonly pb::MessageParser<GaugeResponse> _parser = new pb::MessageParser<GaugeResponse>(() => new GaugeResponse());
+    public static pb::MessageParser<GaugeResponse> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.MetricsReflection.Descriptor.MessageTypes[0]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public GaugeResponse() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public GaugeResponse(GaugeResponse other) : this() {
+      name_ = other.name_;
+      switch (other.ValueCase) {
+        case ValueOneofCase.LongValue:
+          LongValue = other.LongValue;
+          break;
+        case ValueOneofCase.DoubleValue:
+          DoubleValue = other.DoubleValue;
+          break;
+        case ValueOneofCase.StringValue:
+          StringValue = other.StringValue;
+          break;
+      }
+
+    }
+
+    public GaugeResponse Clone() {
+      return new GaugeResponse(this);
+    }
+
+    /// <summary>Field number for the "name" field.</summary>
+    public const int NameFieldNumber = 1;
+    private string name_ = "";
+    public string Name {
+      get { return name_; }
+      set {
+        name_ = pb::Preconditions.CheckNotNull(value, "value");
+      }
+    }
+
+    /// <summary>Field number for the "long_value" field.</summary>
+    public const int LongValueFieldNumber = 2;
+    public long LongValue {
+      get { return valueCase_ == ValueOneofCase.LongValue ? (long) value_ : 0L; }
+      set {
+        value_ = value;
+        valueCase_ = ValueOneofCase.LongValue;
+      }
+    }
+
+    /// <summary>Field number for the "double_value" field.</summary>
+    public const int DoubleValueFieldNumber = 3;
+    public double DoubleValue {
+      get { return valueCase_ == ValueOneofCase.DoubleValue ? (double) value_ : 0D; }
+      set {
+        value_ = value;
+        valueCase_ = ValueOneofCase.DoubleValue;
+      }
+    }
+
+    /// <summary>Field number for the "string_value" field.</summary>
+    public const int StringValueFieldNumber = 4;
+    public string StringValue {
+      get { return valueCase_ == ValueOneofCase.StringValue ? (string) value_ : ""; }
+      set {
+        value_ = pb::Preconditions.CheckNotNull(value, "value");
+        valueCase_ = ValueOneofCase.StringValue;
+      }
+    }
+
+    private object value_;
+    /// <summary>Enum of possible cases for the "value" oneof.</summary>
+    public enum ValueOneofCase {
+      None = 0,
+      LongValue = 2,
+      DoubleValue = 3,
+      StringValue = 4,
+    }
+    private ValueOneofCase valueCase_ = ValueOneofCase.None;
+    public ValueOneofCase ValueCase {
+      get { return valueCase_; }
+    }
+
+    public void ClearValue() {
+      valueCase_ = ValueOneofCase.None;
+      value_ = null;
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as GaugeResponse);
+    }
+
+    public bool Equals(GaugeResponse other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if (Name != other.Name) return false;
+      if (LongValue != other.LongValue) return false;
+      if (DoubleValue != other.DoubleValue) return false;
+      if (StringValue != other.StringValue) return false;
+      if (ValueCase != other.ValueCase) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      if (Name.Length != 0) hash ^= Name.GetHashCode();
+      if (valueCase_ == ValueOneofCase.LongValue) hash ^= LongValue.GetHashCode();
+      if (valueCase_ == ValueOneofCase.DoubleValue) hash ^= DoubleValue.GetHashCode();
+      if (valueCase_ == ValueOneofCase.StringValue) hash ^= StringValue.GetHashCode();
+      hash ^= (int) valueCase_;
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.ToDiagnosticString(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      if (Name.Length != 0) {
+        output.WriteRawTag(10);
+        output.WriteString(Name);
+      }
+      if (valueCase_ == ValueOneofCase.LongValue) {
+        output.WriteRawTag(16);
+        output.WriteInt64(LongValue);
+      }
+      if (valueCase_ == ValueOneofCase.DoubleValue) {
+        output.WriteRawTag(25);
+        output.WriteDouble(DoubleValue);
+      }
+      if (valueCase_ == ValueOneofCase.StringValue) {
+        output.WriteRawTag(34);
+        output.WriteString(StringValue);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      if (Name.Length != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeStringSize(Name);
+      }
+      if (valueCase_ == ValueOneofCase.LongValue) {
+        size += 1 + pb::CodedOutputStream.ComputeInt64Size(LongValue);
+      }
+      if (valueCase_ == ValueOneofCase.DoubleValue) {
+        size += 1 + 8;
+      }
+      if (valueCase_ == ValueOneofCase.StringValue) {
+        size += 1 + pb::CodedOutputStream.ComputeStringSize(StringValue);
+      }
+      return size;
+    }
+
+    public void MergeFrom(GaugeResponse other) {
+      if (other == null) {
+        return;
+      }
+      if (other.Name.Length != 0) {
+        Name = other.Name;
+      }
+      switch (other.ValueCase) {
+        case ValueOneofCase.LongValue:
+          LongValue = other.LongValue;
+          break;
+        case ValueOneofCase.DoubleValue:
+          DoubleValue = other.DoubleValue;
+          break;
+        case ValueOneofCase.StringValue:
+          StringValue = other.StringValue;
+          break;
+      }
+
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+          case 10: {
+            Name = input.ReadString();
+            break;
+          }
+          case 16: {
+            LongValue = input.ReadInt64();
+            break;
+          }
+          case 25: {
+            DoubleValue = input.ReadDouble();
+            break;
+          }
+          case 34: {
+            StringValue = input.ReadString();
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  /// <summary>
+  ///  Request message containing the gauge name
+  /// </summary>
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class GaugeRequest : pb::IMessage<GaugeRequest> {
+    private static readonly pb::MessageParser<GaugeRequest> _parser = new pb::MessageParser<GaugeRequest>(() => new GaugeRequest());
+    public static pb::MessageParser<GaugeRequest> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.MetricsReflection.Descriptor.MessageTypes[1]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public GaugeRequest() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public GaugeRequest(GaugeRequest other) : this() {
+      name_ = other.name_;
+    }
+
+    public GaugeRequest Clone() {
+      return new GaugeRequest(this);
+    }
+
+    /// <summary>Field number for the "name" field.</summary>
+    public const int NameFieldNumber = 1;
+    private string name_ = "";
+    public string Name {
+      get { return name_; }
+      set {
+        name_ = pb::Preconditions.CheckNotNull(value, "value");
+      }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as GaugeRequest);
+    }
+
+    public bool Equals(GaugeRequest other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if (Name != other.Name) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      if (Name.Length != 0) hash ^= Name.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.ToDiagnosticString(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      if (Name.Length != 0) {
+        output.WriteRawTag(10);
+        output.WriteString(Name);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      if (Name.Length != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeStringSize(Name);
+      }
+      return size;
+    }
+
+    public void MergeFrom(GaugeRequest other) {
+      if (other == null) {
+        return;
+      }
+      if (other.Name.Length != 0) {
+        Name = other.Name;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+          case 10: {
+            Name = input.ReadString();
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class EmptyMessage : pb::IMessage<EmptyMessage> {
+    private static readonly pb::MessageParser<EmptyMessage> _parser = new pb::MessageParser<EmptyMessage>(() => new EmptyMessage());
+    public static pb::MessageParser<EmptyMessage> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.MetricsReflection.Descriptor.MessageTypes[2]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public EmptyMessage() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public EmptyMessage(EmptyMessage other) : this() {
+    }
+
+    public EmptyMessage Clone() {
+      return new EmptyMessage(this);
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as EmptyMessage);
+    }
+
+    public bool Equals(EmptyMessage other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.ToDiagnosticString(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      return size;
+    }
+
+    public void MergeFrom(EmptyMessage other) {
+      if (other == null) {
+        return;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+        }
+      }
+    }
+
+  }
+
+  #endregion
+
+}
+
+#endregion Designer generated code
diff --git a/src/csharp/Grpc.IntegrationTesting/MetricsGrpc.cs b/src/csharp/Grpc.IntegrationTesting/MetricsGrpc.cs
new file mode 100644
index 0000000000000000000000000000000000000000..11c1572c194955a69c70cabd9572cb2386ba4565
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting/MetricsGrpc.cs
@@ -0,0 +1,152 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: src/proto/grpc/testing/metrics.proto
+#region Designer generated code
+
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Grpc.Core;
+
+namespace Grpc.Testing {
+  public static class MetricsService
+  {
+    static readonly string __ServiceName = "grpc.testing.MetricsService";
+
+    static readonly Marshaller<global::Grpc.Testing.EmptyMessage> __Marshaller_EmptyMessage = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.EmptyMessage.Parser.ParseFrom);
+    static readonly Marshaller<global::Grpc.Testing.GaugeResponse> __Marshaller_GaugeResponse = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.GaugeResponse.Parser.ParseFrom);
+    static readonly Marshaller<global::Grpc.Testing.GaugeRequest> __Marshaller_GaugeRequest = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.GaugeRequest.Parser.ParseFrom);
+
+    static readonly Method<global::Grpc.Testing.EmptyMessage, global::Grpc.Testing.GaugeResponse> __Method_GetAllGauges = new Method<global::Grpc.Testing.EmptyMessage, global::Grpc.Testing.GaugeResponse>(
+        MethodType.ServerStreaming,
+        __ServiceName,
+        "GetAllGauges",
+        __Marshaller_EmptyMessage,
+        __Marshaller_GaugeResponse);
+
+    static readonly Method<global::Grpc.Testing.GaugeRequest, global::Grpc.Testing.GaugeResponse> __Method_GetGauge = new Method<global::Grpc.Testing.GaugeRequest, global::Grpc.Testing.GaugeResponse>(
+        MethodType.Unary,
+        __ServiceName,
+        "GetGauge",
+        __Marshaller_GaugeRequest,
+        __Marshaller_GaugeResponse);
+
+    // service descriptor
+    public static global::Google.Protobuf.Reflection.ServiceDescriptor Descriptor
+    {
+      get { return global::Grpc.Testing.MetricsReflection.Descriptor.Services[0]; }
+    }
+
+    // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
+    public interface IMetricsServiceClient
+    {
+      AsyncServerStreamingCall<global::Grpc.Testing.GaugeResponse> GetAllGauges(global::Grpc.Testing.EmptyMessage request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      AsyncServerStreamingCall<global::Grpc.Testing.GaugeResponse> GetAllGauges(global::Grpc.Testing.EmptyMessage request, CallOptions options);
+      global::Grpc.Testing.GaugeResponse GetGauge(global::Grpc.Testing.GaugeRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      global::Grpc.Testing.GaugeResponse GetGauge(global::Grpc.Testing.GaugeRequest request, CallOptions options);
+      AsyncUnaryCall<global::Grpc.Testing.GaugeResponse> GetGaugeAsync(global::Grpc.Testing.GaugeRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      AsyncUnaryCall<global::Grpc.Testing.GaugeResponse> GetGaugeAsync(global::Grpc.Testing.GaugeRequest request, CallOptions options);
+    }
+
+    // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
+    public interface IMetricsService
+    {
+      Task GetAllGauges(global::Grpc.Testing.EmptyMessage request, IServerStreamWriter<global::Grpc.Testing.GaugeResponse> responseStream, ServerCallContext context);
+      Task<global::Grpc.Testing.GaugeResponse> GetGauge(global::Grpc.Testing.GaugeRequest request, ServerCallContext context);
+    }
+
+    // server-side abstract class
+    public abstract class MetricsServiceBase
+    {
+      public virtual Task GetAllGauges(global::Grpc.Testing.EmptyMessage request, IServerStreamWriter<global::Grpc.Testing.GaugeResponse> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.GaugeResponse> GetGauge(global::Grpc.Testing.GaugeRequest request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
+    // client stub
+    #pragma warning disable 0618
+    public class MetricsServiceClient : ClientBase<MetricsServiceClient>, IMetricsServiceClient
+    #pragma warning restore 0618
+    {
+      public MetricsServiceClient(Channel channel) : base(channel)
+      {
+      }
+      public MetricsServiceClient(CallInvoker callInvoker) : base(callInvoker)
+      {
+      }
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected MetricsServiceClient() : base()
+      {
+      }
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected MetricsServiceClient(ClientBaseConfiguration configuration) : base(configuration)
+      {
+      }
+
+      public virtual AsyncServerStreamingCall<global::Grpc.Testing.GaugeResponse> GetAllGauges(global::Grpc.Testing.EmptyMessage request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return GetAllGauges(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncServerStreamingCall<global::Grpc.Testing.GaugeResponse> GetAllGauges(global::Grpc.Testing.EmptyMessage request, CallOptions options)
+      {
+        return CallInvoker.AsyncServerStreamingCall(__Method_GetAllGauges, null, options, request);
+      }
+      public virtual global::Grpc.Testing.GaugeResponse GetGauge(global::Grpc.Testing.GaugeRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return GetGauge(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual global::Grpc.Testing.GaugeResponse GetGauge(global::Grpc.Testing.GaugeRequest request, CallOptions options)
+      {
+        return CallInvoker.BlockingUnaryCall(__Method_GetGauge, null, options, request);
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.GaugeResponse> GetGaugeAsync(global::Grpc.Testing.GaugeRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return GetGaugeAsync(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.GaugeResponse> GetGaugeAsync(global::Grpc.Testing.GaugeRequest request, CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_GetGauge, null, options, request);
+      }
+      protected override MetricsServiceClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new MetricsServiceClient(configuration);
+      }
+    }
+
+    // creates service definition that can be registered with a server
+    #pragma warning disable 0618
+    public static ServerServiceDefinition BindService(IMetricsService serviceImpl)
+    #pragma warning restore 0618
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_GetAllGauges, serviceImpl.GetAllGauges)
+          .AddMethod(__Method_GetGauge, serviceImpl.GetGauge).Build();
+    }
+
+    // creates service definition that can be registered with a server
+    #pragma warning disable 0618
+    public static ServerServiceDefinition BindService(MetricsServiceBase serviceImpl)
+    #pragma warning restore 0618
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_GetAllGauges, serviceImpl.GetAllGauges)
+          .AddMethod(__Method_GetGauge, serviceImpl.GetGauge).Build();
+    }
+
+    // creates a new client
+    public static MetricsServiceClient NewClient(Channel channel)
+    {
+      return new MetricsServiceClient(channel);
+    }
+
+  }
+}
+#endregion
diff --git a/src/csharp/Grpc.IntegrationTesting/NUnitMain.cs b/src/csharp/Grpc.IntegrationTesting/NUnitMain.cs
new file mode 100644
index 0000000000000000000000000000000000000000..d8902de08f53610bb8ed75b0fb6d44964dd8014b
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting/NUnitMain.cs
@@ -0,0 +1,59 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Reflection;
+using Grpc.Core;
+using Grpc.Core.Logging;
+using NUnit.Common;
+using NUnitLite;
+
+namespace Grpc.IntegrationTesting
+{
+    /// <summary>
+    /// Provides entry point for NUnitLite
+    /// </summary>
+    public class NUnitMain
+    {
+        public static int Main(string[] args)
+        {
+            // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
+            GrpcEnvironment.SetLogger(new TextWriterLogger(Console.Error));
+#if DOTNET5_4
+            return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
+#else
+            return new AutoRun().Execute(args);
+#endif
+        }
+    }
+}
diff --git a/src/csharp/Grpc.IntegrationTesting/QpsWorker.cs b/src/csharp/Grpc.IntegrationTesting/QpsWorker.cs
index e407792c4b58ffa4f7d34e51c82212a8a2fd888e..a7c9fa894de46743da696ad00b0d76067274fa4d 100644
--- a/src/csharp/Grpc.IntegrationTesting/QpsWorker.cs
+++ b/src/csharp/Grpc.IntegrationTesting/QpsWorker.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.IntegrationTesting/RunnerClientServerTest.cs b/src/csharp/Grpc.IntegrationTesting/RunnerClientServerTest.cs
index 06d5ee93d8843167a31728fbcc0ced1ff50a51cb..13ab5a25ab28763f186ce3b776027ee079ba72bb 100644
--- a/src/csharp/Grpc.IntegrationTesting/RunnerClientServerTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/RunnerClientServerTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -55,14 +55,7 @@ namespace Grpc.IntegrationTesting
         {
             var serverConfig = new ServerConfig
             {
-                ServerType = ServerType.ASYNC_SERVER,
-                PayloadConfig = new PayloadConfig
-                {
-                    SimpleParams = new SimpleProtoParams
-                    {
-                        RespSize = 100
-                    }
-                }
+                ServerType = ServerType.ASYNC_SERVER
             };
             serverRunner = ServerRunners.CreateStarted(serverConfig);
         }
@@ -88,7 +81,8 @@ namespace Grpc.IntegrationTesting
                 {
                     SimpleParams = new SimpleProtoParams
                     {
-                        ReqSize = 100
+                        ReqSize = 100,
+                        RespSize = 100
                     }
                 },
                 HistogramParams = new HistogramParams
diff --git a/src/csharp/Grpc.IntegrationTesting/ServerRunners.cs b/src/csharp/Grpc.IntegrationTesting/ServerRunners.cs
index 4a73645e6ca85369770fccb68ee874ed4cb54954..d7859443e077db7b2401e854ff16e5386fc68e5b 100644
--- a/src/csharp/Grpc.IntegrationTesting/ServerRunners.cs
+++ b/src/csharp/Grpc.IntegrationTesting/ServerRunners.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -41,6 +41,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Google.Protobuf;
 using Grpc.Core;
+using Grpc.Core.Logging;
 using Grpc.Core.Utils;
 using NUnit.Framework;
 using Grpc.Testing;
@@ -50,27 +51,78 @@ namespace Grpc.IntegrationTesting
     /// <summary>
     /// Helper methods to start server runners for performance testing.
     /// </summary>
-    public static class ServerRunners
+    public class ServerRunners
     {
+        static readonly ILogger Logger = GrpcEnvironment.Logger.ForType<ServerRunners>();
+
         /// <summary>
         /// Creates a started server runner.
         /// </summary>
         public static IServerRunner CreateStarted(ServerConfig config)
         {
-            GrpcPreconditions.CheckArgument(config.ServerType == ServerType.ASYNC_SERVER);
+            Logger.Debug("ServerConfig: {0}", config);
             var credentials = config.SecurityParams != null ? TestCredentials.CreateSslServerCredentials() : ServerCredentials.Insecure;
 
-            // TODO: qps_driver needs to setup payload properly...
-            int responseSize = config.PayloadConfig != null ? config.PayloadConfig.SimpleParams.RespSize : 0;
+            if (config.AsyncServerThreads != 0)
+            {
+                Logger.Warning("ServerConfig.AsyncServerThreads is not supported for C#. Ignoring the value");
+            }
+            if (config.CoreLimit != 0)
+            {
+                Logger.Warning("ServerConfig.CoreLimit is not supported for C#. Ignoring the value");
+            }
+            if (config.CoreList.Count > 0)
+            {
+                Logger.Warning("ServerConfig.CoreList is not supported for C#. Ignoring the value");
+            }
+
+            ServerServiceDefinition service = null;
+            if (config.ServerType == ServerType.ASYNC_SERVER)
+            {
+                GrpcPreconditions.CheckArgument(config.PayloadConfig == null,
+                    "ServerConfig.PayloadConfig shouldn't be set for BenchmarkService based server.");    
+                service = BenchmarkService.BindService(new BenchmarkServiceImpl());
+            }
+            else if (config.ServerType == ServerType.ASYNC_GENERIC_SERVER)
+            {
+                var genericService = new GenericServiceImpl(config.PayloadConfig.BytebufParams.RespSize);
+                service = GenericService.BindHandler(genericService.StreamingCall);
+            }
+            else
+            {
+                throw new ArgumentException("Unsupported ServerType");
+            }
+
             var server = new Server
             {
-                Services = { BenchmarkService.BindService(new BenchmarkServiceImpl(responseSize)) },
+                Services = { service },
                 Ports = { new ServerPort("[::]", config.Port, credentials) }
             };
 
             server.Start();
             return new ServerRunnerImpl(server);
         }
+
+        private class GenericServiceImpl
+        {
+            readonly byte[] response;
+
+            public GenericServiceImpl(int responseSize)
+            {
+                this.response = new byte[responseSize];
+            }
+
+            /// <summary>
+            /// Generic streaming call handler.
+            /// </summary>
+            public async Task StreamingCall(IAsyncStreamReader<byte[]> requestStream, IServerStreamWriter<byte[]> responseStream, ServerCallContext context)
+            {
+                await requestStream.ForEachAsync(async request =>
+                {
+                    await responseStream.WriteAsync(response);
+                });
+            }
+        }
     }
 
     /// <summary>
@@ -119,6 +171,5 @@ namespace Grpc.IntegrationTesting
         {
             return server.ShutdownAsync();
         }
-    }
-        
+    }        
 }
diff --git a/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs b/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs
index 996439afbf1395f4d8f64ae3a47d20a43ef6998d..18cf0672e30336cab155137a299dd0c84fc8fb67 100644
--- a/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs
+++ b/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs
@@ -36,6 +36,7 @@ namespace Grpc.Testing {
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IBenchmarkServiceClient
     {
       global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -47,52 +48,92 @@ namespace Grpc.Testing {
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IBenchmarkService
     {
       Task<global::Grpc.Testing.SimpleResponse> UnaryCall(global::Grpc.Testing.SimpleRequest request, ServerCallContext context);
       Task StreamingCall(IAsyncStreamReader<global::Grpc.Testing.SimpleRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.SimpleResponse> responseStream, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class BenchmarkServiceBase
+    {
+      public virtual Task<global::Grpc.Testing.SimpleResponse> UnaryCall(global::Grpc.Testing.SimpleRequest request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task StreamingCall(IAsyncStreamReader<global::Grpc.Testing.SimpleRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.SimpleResponse> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class BenchmarkServiceClient : ClientBase, IBenchmarkServiceClient
+    #pragma warning disable 0618
+    public class BenchmarkServiceClient : ClientBase<BenchmarkServiceClient>, IBenchmarkServiceClient
+    #pragma warning restore 0618
     {
       public BenchmarkServiceClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public BenchmarkServiceClient(CallInvoker callInvoker) : base(callInvoker)
+      {
+      }
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected BenchmarkServiceClient() : base()
       {
-        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected BenchmarkServiceClient(ClientBaseConfiguration configuration) : base(configuration)
       {
-        var call = CreateCall(__Method_UnaryCall, options);
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+
+      public virtual global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return UnaryCall(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      public virtual global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_UnaryCall, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_UnaryCall, null, options, request);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_StreamingCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
+        return UnaryCallAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_StreamingCall, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CallInvoker.AsyncUnaryCall(__Method_UnaryCall, null, options, request);
+      }
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return StreamingCall(new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(CallOptions options)
+      {
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_StreamingCall, null, options);
+      }
+      protected override BenchmarkServiceClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new BenchmarkServiceClient(configuration);
       }
     }
 
     // creates service definition that can be registered with a server
+    #pragma warning disable 0618
     public static ServerServiceDefinition BindService(IBenchmarkService serviceImpl)
+    #pragma warning restore 0618
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_UnaryCall, serviceImpl.UnaryCall)
+          .AddMethod(__Method_StreamingCall, serviceImpl.StreamingCall).Build();
+    }
+
+    // creates service definition that can be registered with a server
+    #pragma warning disable 0618
+    public static ServerServiceDefinition BindService(BenchmarkServiceBase serviceImpl)
+    #pragma warning restore 0618
     {
       return ServerServiceDefinition.CreateBuilder(__ServiceName)
           .AddMethod(__Method_UnaryCall, serviceImpl.UnaryCall)
@@ -153,6 +194,7 @@ namespace Grpc.Testing {
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IWorkerServiceClient
     {
       AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -170,6 +212,7 @@ namespace Grpc.Testing {
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IWorkerService
     {
       Task RunServer(IAsyncStreamReader<global::Grpc.Testing.ServerArgs> requestStream, IServerStreamWriter<global::Grpc.Testing.ServerStatus> responseStream, ServerCallContext context);
@@ -178,76 +221,121 @@ namespace Grpc.Testing {
       Task<global::Grpc.Testing.Void> QuitWorker(global::Grpc.Testing.Void request, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class WorkerServiceBase
+    {
+      public virtual Task RunServer(IAsyncStreamReader<global::Grpc.Testing.ServerArgs> requestStream, IServerStreamWriter<global::Grpc.Testing.ServerStatus> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task RunClient(IAsyncStreamReader<global::Grpc.Testing.ClientArgs> requestStream, IServerStreamWriter<global::Grpc.Testing.ClientStatus> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.CoreResponse> CoreCount(global::Grpc.Testing.CoreRequest request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.Void> QuitWorker(global::Grpc.Testing.Void request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class WorkerServiceClient : ClientBase, IWorkerServiceClient
+    #pragma warning disable 0618
+    public class WorkerServiceClient : ClientBase<WorkerServiceClient>, IWorkerServiceClient
+    #pragma warning restore 0618
     {
       public WorkerServiceClient(Channel channel) : base(channel)
       {
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public WorkerServiceClient(CallInvoker callInvoker) : base(callInvoker)
       {
-        var call = CreateCall(__Method_RunServer, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(CallOptions options)
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected WorkerServiceClient() : base()
       {
-        var call = CreateCall(__Method_RunServer, options);
-        return Calls.AsyncDuplexStreamingCall(call);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected WorkerServiceClient(ClientBaseConfiguration configuration) : base(configuration)
       {
-        var call = CreateCall(__Method_RunClient, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(CallOptions options)
+
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_RunClient, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return RunServer(new CallOptions(headers, deadline, cancellationToken));
       }
-      public global::Grpc.Testing.CoreResponse CoreCount(global::Grpc.Testing.CoreRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(CallOptions options)
       {
-        var call = CreateCall(__Method_CoreCount, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_RunServer, null, options);
       }
-      public global::Grpc.Testing.CoreResponse CoreCount(global::Grpc.Testing.CoreRequest request, CallOptions options)
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_CoreCount, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return RunClient(new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.CoreResponse> CoreCountAsync(global::Grpc.Testing.CoreRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(CallOptions options)
       {
-        var call = CreateCall(__Method_CoreCount, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_RunClient, null, options);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.CoreResponse> CoreCountAsync(global::Grpc.Testing.CoreRequest request, CallOptions options)
+      public virtual global::Grpc.Testing.CoreResponse CoreCount(global::Grpc.Testing.CoreRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_CoreCount, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return CoreCount(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public global::Grpc.Testing.Void QuitWorker(global::Grpc.Testing.Void request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Grpc.Testing.CoreResponse CoreCount(global::Grpc.Testing.CoreRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_QuitWorker, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_CoreCount, null, options, request);
       }
-      public global::Grpc.Testing.Void QuitWorker(global::Grpc.Testing.Void request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.CoreResponse> CoreCountAsync(global::Grpc.Testing.CoreRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_QuitWorker, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return CoreCountAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Void> QuitWorkerAsync(global::Grpc.Testing.Void request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.CoreResponse> CoreCountAsync(global::Grpc.Testing.CoreRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_QuitWorker, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_CoreCount, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Void> QuitWorkerAsync(global::Grpc.Testing.Void request, CallOptions options)
+      public virtual global::Grpc.Testing.Void QuitWorker(global::Grpc.Testing.Void request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_QuitWorker, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return QuitWorker(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual global::Grpc.Testing.Void QuitWorker(global::Grpc.Testing.Void request, CallOptions options)
+      {
+        return CallInvoker.BlockingUnaryCall(__Method_QuitWorker, null, options, request);
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Void> QuitWorkerAsync(global::Grpc.Testing.Void request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return QuitWorkerAsync(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Void> QuitWorkerAsync(global::Grpc.Testing.Void request, CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_QuitWorker, null, options, request);
+      }
+      protected override WorkerServiceClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new WorkerServiceClient(configuration);
       }
     }
 
     // creates service definition that can be registered with a server
+    #pragma warning disable 0618
     public static ServerServiceDefinition BindService(IWorkerService serviceImpl)
+    #pragma warning restore 0618
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_RunServer, serviceImpl.RunServer)
+          .AddMethod(__Method_RunClient, serviceImpl.RunClient)
+          .AddMethod(__Method_CoreCount, serviceImpl.CoreCount)
+          .AddMethod(__Method_QuitWorker, serviceImpl.QuitWorker).Build();
+    }
+
+    // creates service definition that can be registered with a server
+    #pragma warning disable 0618
+    public static ServerServiceDefinition BindService(WorkerServiceBase serviceImpl)
+    #pragma warning restore 0618
     {
       return ServerServiceDefinition.CreateBuilder(__ServiceName)
           .AddMethod(__Method_RunServer, serviceImpl.RunServer)
diff --git a/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs b/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs
index 37b2518c21e7e346f011498e6356f3bae2ddaa6f..3df45b5f7084f5748a587e8f2b2ecd5b3adbdf86 100644
--- a/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -53,7 +53,7 @@ namespace Grpc.IntegrationTesting
         const string Host = "localhost";
         Server server;
         Channel channel;
-        TestService.ITestServiceClient client;
+        TestService.TestServiceClient client;
 
         [TestFixtureSetUp]
         public void Init()
diff --git a/src/csharp/Grpc.IntegrationTesting/StressTestClient.cs b/src/csharp/Grpc.IntegrationTesting/StressTestClient.cs
new file mode 100644
index 0000000000000000000000000000000000000000..8db691cb048b1767542d18318c0705af4e414c25
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting/StressTestClient.cs
@@ -0,0 +1,318 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+using CommandLine;
+using CommandLine.Text;
+using Grpc.Core;
+using Grpc.Core.Logging;
+using Grpc.Core.Utils;
+using Grpc.Testing;
+
+namespace Grpc.IntegrationTesting
+{
+    public class StressTestClient
+    {
+        static readonly ILogger Logger = GrpcEnvironment.Logger.ForType<StressTestClient>();
+        const double SecondsToNanos = 1e9;
+
+        private class ClientOptions
+        {
+            [Option("server_addresses", DefaultValue = "localhost:8080")]
+            public string ServerAddresses { get; set; }
+
+            [Option("test_cases", DefaultValue = "large_unary:100")]
+            public string TestCases { get; set; }
+
+            [Option("test_duration_secs", DefaultValue = -1)]
+            public int TestDurationSecs { get; set; }
+
+            [Option("num_channels_per_server", DefaultValue = 1)]
+            public int NumChannelsPerServer { get; set; }
+
+            [Option("num_stubs_per_channel", DefaultValue = 1)]
+            public int NumStubsPerChannel { get; set; }
+
+            [Option("metrics_port", DefaultValue = 8081)]
+            public int MetricsPort { get; set; }
+
+            [HelpOption]
+            public string GetUsage()
+            {
+                var help = new HelpText
+                {
+                    Heading = "gRPC C# stress test client",
+                    AddDashesToOption = true
+                };
+                help.AddPreOptionsLine("Usage:");
+                help.AddOptions(this);
+                return help;
+            }
+        }
+
+        ClientOptions options;
+        List<string> serverAddresses;
+        Dictionary<string, int> weightedTestCases;
+        WeightedRandomGenerator testCaseGenerator;
+
+        // cancellation will be emitted once test_duration_secs has elapsed.
+        CancellationTokenSource finishedTokenSource = new CancellationTokenSource();
+        Histogram histogram = new Histogram(0.01, 60 * SecondsToNanos);
+
+        private StressTestClient(ClientOptions options, List<string> serverAddresses, Dictionary<string, int> weightedTestCases)
+        {
+            this.options = options;
+            this.serverAddresses = serverAddresses;
+            this.weightedTestCases = weightedTestCases;
+            this.testCaseGenerator = new WeightedRandomGenerator(this.weightedTestCases);
+        }
+
+        public static void Run(string[] args)
+        {
+            var options = new ClientOptions();
+            if (!Parser.Default.ParseArguments(args, options))
+            {
+                Environment.Exit(1);
+            }
+
+            GrpcPreconditions.CheckArgument(options.NumChannelsPerServer > 0);
+            GrpcPreconditions.CheckArgument(options.NumStubsPerChannel > 0);
+
+            var serverAddresses = options.ServerAddresses.Split(',');
+            GrpcPreconditions.CheckArgument(serverAddresses.Length > 0, "You need to provide at least one server address");
+
+            var testCases = ParseWeightedTestCases(options.TestCases);
+            GrpcPreconditions.CheckArgument(testCases.Count > 0, "You need to provide at least one test case");
+
+            var interopClient = new StressTestClient(options, serverAddresses.ToList(), testCases);
+            interopClient.Run().Wait();
+        }
+
+        async Task Run()
+        {
+            var metricsServer = new Server()
+            {
+                Services = { MetricsService.BindService(new MetricsServiceImpl(histogram)) },
+                Ports = { { "[::]", options.MetricsPort, ServerCredentials.Insecure } }
+            };
+            metricsServer.Start();
+
+            if (options.TestDurationSecs >= 0)
+            {
+                finishedTokenSource.CancelAfter(TimeSpan.FromSeconds(options.TestDurationSecs));
+            }
+
+            var tasks = new List<Task>();
+            var channels = new List<Channel>();
+            foreach (var serverAddress in serverAddresses)
+            {
+                for (int i = 0; i < options.NumChannelsPerServer; i++)
+                {
+                    var channel = new Channel(serverAddress, ChannelCredentials.Insecure);
+                    channels.Add(channel);
+                    for (int j = 0; j < options.NumStubsPerChannel; j++)
+                    {
+                        var client = TestService.NewClient(channel);
+                        var task = Task.Factory.StartNew(() => RunBodyAsync(client).GetAwaiter().GetResult(),
+                            TaskCreationOptions.LongRunning);
+                        tasks.Add(task);  
+                    }
+                }
+            }
+            await Task.WhenAll(tasks);
+
+            foreach (var channel in channels)
+            {
+                await channel.ShutdownAsync();
+            }
+
+            await metricsServer.ShutdownAsync();
+        }
+
+        async Task RunBodyAsync(TestService.TestServiceClient client)
+        {
+            Logger.Info("Starting stress test client thread.");
+            while (!finishedTokenSource.Token.IsCancellationRequested)
+            {
+                var testCase = testCaseGenerator.GetNext();
+
+                var stopwatch = Stopwatch.StartNew();
+
+                await RunTestCaseAsync(client, testCase);
+
+                stopwatch.Stop();
+                histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
+            }
+            Logger.Info("Stress test client thread finished.");
+        }
+
+        async Task RunTestCaseAsync(TestService.TestServiceClient client, string testCase)
+        {
+            switch (testCase)
+            {
+                case "empty_unary":
+                    InteropClient.RunEmptyUnary(client);
+                    break;
+                case "large_unary":
+                    InteropClient.RunLargeUnary(client);
+                    break;
+                case "client_streaming":
+                    await InteropClient.RunClientStreamingAsync(client);
+                    break;
+                case "server_streaming":
+                    await InteropClient.RunServerStreamingAsync(client);
+                    break;
+                case "ping_pong":
+                    await InteropClient.RunPingPongAsync(client);
+                    break;
+                case "empty_stream":
+                    await InteropClient.RunEmptyStreamAsync(client);
+                    break;
+                case "cancel_after_begin":
+                    await InteropClient.RunCancelAfterBeginAsync(client);
+                    break;
+                case "cancel_after_first_response":
+                    await InteropClient.RunCancelAfterFirstResponseAsync(client);
+                    break;
+                case "timeout_on_sleeping_server":
+                    await InteropClient.RunTimeoutOnSleepingServerAsync(client);
+                    break;
+                case "custom_metadata":
+                    await InteropClient.RunCustomMetadataAsync(client);
+                    break;
+                case "status_code_and_message":
+                    await InteropClient.RunStatusCodeAndMessageAsync(client);
+                    break;
+                default:
+                    throw new ArgumentException("Unsupported test case  " + testCase);
+            }
+        }
+
+        static Dictionary<string, int> ParseWeightedTestCases(string weightedTestCases)
+        {
+            var result = new Dictionary<string, int>();
+            foreach (var weightedTestCase in weightedTestCases.Split(','))
+            {
+                var parts = weightedTestCase.Split(new char[] {':'}, 2);
+                GrpcPreconditions.CheckArgument(parts.Length == 2, "Malformed test_cases option.");
+                result.Add(parts[0], int.Parse(parts[1]));
+            }
+            return result;
+        }
+
+        class WeightedRandomGenerator
+        {
+            readonly Random random = new Random();
+            readonly List<Tuple<int, string>> cumulativeSums;
+            readonly int weightSum;
+
+            public WeightedRandomGenerator(Dictionary<string, int> weightedItems)
+            {
+                cumulativeSums = new List<Tuple<int, string>>();
+                weightSum = 0;
+                foreach (var entry in weightedItems)
+                {
+                    weightSum += entry.Value;
+                    cumulativeSums.Add(Tuple.Create(weightSum, entry.Key));
+                }
+            }
+
+            public string GetNext()
+            {
+                int rand = random.Next(weightSum);
+                foreach (var entry in cumulativeSums)
+                {
+                    if (rand < entry.Item1)
+                    {
+                        return entry.Item2;
+                    }
+                }
+                throw new InvalidOperationException("GetNext() failed.");
+            }
+        }
+
+        class MetricsServiceImpl : MetricsService.MetricsServiceBase 
+        {
+            const string GaugeName = "csharp_overall_qps";
+
+            readonly Histogram histogram;
+            readonly WallClockStopwatch wallClockStopwatch = new WallClockStopwatch();
+
+            public MetricsServiceImpl(Histogram histogram)
+            {
+                this.histogram = histogram;
+            }
+
+            public override Task<GaugeResponse> GetGauge(GaugeRequest request, ServerCallContext context)
+            {
+                if (request.Name == GaugeName)
+                {
+                    long qps = GetQpsAndReset();
+
+                    return Task.FromResult(new GaugeResponse
+                    {
+                        Name = GaugeName,
+                        LongValue = qps
+                    });
+                }
+                throw new RpcException(new Status(StatusCode.InvalidArgument, "Gauge does not exist"));
+            }
+
+            public override async Task GetAllGauges(EmptyMessage request, IServerStreamWriter<GaugeResponse> responseStream, ServerCallContext context)
+            {
+                long qps = GetQpsAndReset();
+
+                var response = new GaugeResponse
+                {
+                    Name = GaugeName,
+                    LongValue = qps
+                };
+                await responseStream.WriteAsync(response);
+            }
+
+            long GetQpsAndReset()
+            {
+                var snapshot = histogram.GetSnapshot(true);
+                var elapsedSnapshot = wallClockStopwatch.GetElapsedSnapshot(true);
+
+                return (long) (snapshot.Count / elapsedSnapshot.Seconds);
+            }
+        }
+    }
+}
diff --git a/src/csharp/Grpc.IntegrationTesting/Test.cs b/src/csharp/Grpc.IntegrationTesting/Test.cs
index 91e0a1e04c0f67af37eb2f1ae9cd8e9f239f125a..363f6444ec2ef739ad58b72fd284b65443e2881c 100644
--- a/src/csharp/Grpc.IntegrationTesting/Test.cs
+++ b/src/csharp/Grpc.IntegrationTesting/Test.cs
@@ -40,10 +40,10 @@ namespace Grpc.Testing {
             "bWluZ091dHB1dENhbGxSZXF1ZXN0GikuZ3JwYy50ZXN0aW5nLlN0cmVhbWlu",
             "Z091dHB1dENhbGxSZXNwb25zZSgBMAEyVQoUVW5pbXBsZW1lbnRlZFNlcnZp",
             "Y2USPQoRVW5pbXBsZW1lbnRlZENhbGwSEy5ncnBjLnRlc3RpbmcuRW1wdHka",
-            "Ey5ncnBjLnRlc3RpbmcuRW1wdHkyfwoQUmVjb25uZWN0U2VydmljZRIxCgVT",
-            "dGFydBITLmdycGMudGVzdGluZy5FbXB0eRoTLmdycGMudGVzdGluZy5FbXB0",
-            "eRI4CgRTdG9wEhMuZ3JwYy50ZXN0aW5nLkVtcHR5GhsuZ3JwYy50ZXN0aW5n",
-            "LlJlY29ubmVjdEluZm9iBnByb3RvMw=="));
+            "Ey5ncnBjLnRlc3RpbmcuRW1wdHkyiQEKEFJlY29ubmVjdFNlcnZpY2USOwoF",
+            "U3RhcnQSHS5ncnBjLnRlc3RpbmcuUmVjb25uZWN0UGFyYW1zGhMuZ3JwYy50",
+            "ZXN0aW5nLkVtcHR5EjgKBFN0b3ASEy5ncnBjLnRlc3RpbmcuRW1wdHkaGy5n",
+            "cnBjLnRlc3RpbmcuUmVjb25uZWN0SW5mb2IGcHJvdG8z"));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { global::Grpc.Testing.EmptyReflection.Descriptor, global::Grpc.Testing.MessagesReflection.Descriptor, },
           new pbr::GeneratedCodeInfo(null, null));
diff --git a/src/csharp/Grpc.IntegrationTesting/TestCredentials.cs b/src/csharp/Grpc.IntegrationTesting/TestCredentials.cs
index ce108d808b6860455249720b5a861249adb0af69..774563d752fd3573f7ff6686e417eb93a586d32d 100644
--- a/src/csharp/Grpc.IntegrationTesting/TestCredentials.cs
+++ b/src/csharp/Grpc.IntegrationTesting/TestCredentials.cs
@@ -35,6 +35,7 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
+using System.Reflection;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Grpc.Core;
@@ -50,9 +51,29 @@ namespace Grpc.IntegrationTesting
     {
         public const string DefaultHostOverride = "foo.test.google.fr";
 
-        public const string ClientCertAuthorityPath = "data/ca.pem";
-        public const string ServerCertChainPath = "data/server1.pem";
-        public const string ServerPrivateKeyPath = "data/server1.key";
+        public static string ClientCertAuthorityPath
+        {
+            get
+            {
+                return GetPath("data/ca.pem");
+            }
+        }
+
+        public static string ServerCertChainPath
+        {
+            get
+            {
+                return GetPath("data/server1.pem");
+            }
+        }
+
+        public static string ServerPrivateKeyPath
+        {
+            get
+            {
+                return GetPath("data/server1.key");
+            }
+        }
 
         public static SslCredentials CreateSslCredentials()
         {
@@ -66,5 +87,11 @@ namespace Grpc.IntegrationTesting
                 File.ReadAllText(ServerPrivateKeyPath));
             return new SslServerCredentials(new[] { keyCertPair });
         }
+
+        private static string GetPath(string relativePath)
+        {
+            var assemblyDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
+            return Path.Combine(assemblyDir, relativePath);
+        }
     }
 }
diff --git a/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs b/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
index 2c469080d9df2f5d3408393fc77d486abdffba47..3b915f6df12d086d24ca004c98244fbc0e021d93 100644
--- a/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
+++ b/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
@@ -69,6 +69,7 @@ namespace Grpc.Testing {
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface ITestServiceClient
     {
       global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -90,6 +91,7 @@ namespace Grpc.Testing {
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface ITestService
     {
       Task<global::Grpc.Testing.Empty> EmptyCall(global::Grpc.Testing.Empty request, ServerCallContext context);
@@ -100,96 +102,149 @@ namespace Grpc.Testing {
       Task HalfDuplexCall(IAsyncStreamReader<global::Grpc.Testing.StreamingOutputCallRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.StreamingOutputCallResponse> responseStream, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class TestServiceBase
+    {
+      public virtual Task<global::Grpc.Testing.Empty> EmptyCall(global::Grpc.Testing.Empty request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.SimpleResponse> UnaryCall(global::Grpc.Testing.SimpleRequest request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, IServerStreamWriter<global::Grpc.Testing.StreamingOutputCallResponse> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(IAsyncStreamReader<global::Grpc.Testing.StreamingInputCallRequest> requestStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task FullDuplexCall(IAsyncStreamReader<global::Grpc.Testing.StreamingOutputCallRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.StreamingOutputCallResponse> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task HalfDuplexCall(IAsyncStreamReader<global::Grpc.Testing.StreamingOutputCallRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.StreamingOutputCallResponse> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class TestServiceClient : ClientBase, ITestServiceClient
+    #pragma warning disable 0618
+    public class TestServiceClient : ClientBase<TestServiceClient>, ITestServiceClient
+    #pragma warning restore 0618
     {
       public TestServiceClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public TestServiceClient(CallInvoker callInvoker) : base(callInvoker)
+      {
+      }
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected TestServiceClient() : base()
+      {
+      }
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected TestServiceClient(ClientBaseConfiguration configuration) : base(configuration)
+      {
+      }
+
+      public virtual global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_EmptyCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return EmptyCall(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, CallOptions options)
+      public virtual global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_EmptyCall, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_EmptyCall, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> EmptyCallAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> EmptyCallAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_EmptyCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return EmptyCallAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> EmptyCallAsync(global::Grpc.Testing.Empty request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> EmptyCallAsync(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_EmptyCall, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_EmptyCall, null, options, request);
       }
-      public global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return UnaryCall(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      public virtual global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_UnaryCall, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_UnaryCall, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return UnaryCallAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_UnaryCall, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_UnaryCall, null, options, request);
       }
-      public AsyncServerStreamingCall<global::Grpc.Testing.StreamingOutputCallResponse> StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncServerStreamingCall<global::Grpc.Testing.StreamingOutputCallResponse> StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_StreamingOutputCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncServerStreamingCall(call, request);
+        return StreamingOutputCall(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncServerStreamingCall<global::Grpc.Testing.StreamingOutputCallResponse> StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, CallOptions options)
+      public virtual AsyncServerStreamingCall<global::Grpc.Testing.StreamingOutputCallResponse> StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_StreamingOutputCall, options);
-        return Calls.AsyncServerStreamingCall(call, request);
+        return CallInvoker.AsyncServerStreamingCall(__Method_StreamingOutputCall, null, options, request);
       }
-      public AsyncClientStreamingCall<global::Grpc.Testing.StreamingInputCallRequest, global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncClientStreamingCall<global::Grpc.Testing.StreamingInputCallRequest, global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_StreamingInputCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncClientStreamingCall(call);
+        return StreamingInputCall(new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncClientStreamingCall<global::Grpc.Testing.StreamingInputCallRequest, global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(CallOptions options)
+      public virtual AsyncClientStreamingCall<global::Grpc.Testing.StreamingInputCallRequest, global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(CallOptions options)
       {
-        var call = CreateCall(__Method_StreamingInputCall, options);
-        return Calls.AsyncClientStreamingCall(call);
+        return CallInvoker.AsyncClientStreamingCall(__Method_StreamingInputCall, null, options);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> FullDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> FullDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_FullDuplexCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
+        return FullDuplexCall(new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> FullDuplexCall(CallOptions options)
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> FullDuplexCall(CallOptions options)
       {
-        var call = CreateCall(__Method_FullDuplexCall, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_FullDuplexCall, null, options);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> HalfDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> HalfDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_HalfDuplexCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
+        return HalfDuplexCall(new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> HalfDuplexCall(CallOptions options)
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> HalfDuplexCall(CallOptions options)
       {
-        var call = CreateCall(__Method_HalfDuplexCall, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_HalfDuplexCall, null, options);
+      }
+      protected override TestServiceClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new TestServiceClient(configuration);
       }
     }
 
     // creates service definition that can be registered with a server
+    #pragma warning disable 0618
     public static ServerServiceDefinition BindService(ITestService serviceImpl)
+    #pragma warning restore 0618
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_EmptyCall, serviceImpl.EmptyCall)
+          .AddMethod(__Method_UnaryCall, serviceImpl.UnaryCall)
+          .AddMethod(__Method_StreamingOutputCall, serviceImpl.StreamingOutputCall)
+          .AddMethod(__Method_StreamingInputCall, serviceImpl.StreamingInputCall)
+          .AddMethod(__Method_FullDuplexCall, serviceImpl.FullDuplexCall)
+          .AddMethod(__Method_HalfDuplexCall, serviceImpl.HalfDuplexCall).Build();
+    }
+
+    // creates service definition that can be registered with a server
+    #pragma warning disable 0618
+    public static ServerServiceDefinition BindService(TestServiceBase serviceImpl)
+    #pragma warning restore 0618
     {
       return ServerServiceDefinition.CreateBuilder(__ServiceName)
           .AddMethod(__Method_EmptyCall, serviceImpl.EmptyCall)
@@ -227,6 +282,7 @@ namespace Grpc.Testing {
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IUnimplementedServiceClient
     {
       global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -236,41 +292,77 @@ namespace Grpc.Testing {
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IUnimplementedService
     {
       Task<global::Grpc.Testing.Empty> UnimplementedCall(global::Grpc.Testing.Empty request, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class UnimplementedServiceBase
+    {
+      public virtual Task<global::Grpc.Testing.Empty> UnimplementedCall(global::Grpc.Testing.Empty request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class UnimplementedServiceClient : ClientBase, IUnimplementedServiceClient
+    #pragma warning disable 0618
+    public class UnimplementedServiceClient : ClientBase<UnimplementedServiceClient>, IUnimplementedServiceClient
+    #pragma warning restore 0618
     {
       public UnimplementedServiceClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public UnimplementedServiceClient(CallInvoker callInvoker) : base(callInvoker)
+      {
+      }
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected UnimplementedServiceClient() : base()
+      {
+      }
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected UnimplementedServiceClient(ClientBaseConfiguration configuration) : base(configuration)
+      {
+      }
+
+      public virtual global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return UnimplementedCall(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_UnimplementedCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_UnimplementedCall, null, options, request);
       }
-      public global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> UnimplementedCallAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_UnimplementedCall, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return UnimplementedCallAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> UnimplementedCallAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> UnimplementedCallAsync(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_UnimplementedCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_UnimplementedCall, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> UnimplementedCallAsync(global::Grpc.Testing.Empty request, CallOptions options)
+      protected override UnimplementedServiceClient NewInstance(ClientBaseConfiguration configuration)
       {
-        var call = CreateCall(__Method_UnimplementedCall, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return new UnimplementedServiceClient(configuration);
       }
     }
 
     // creates service definition that can be registered with a server
+    #pragma warning disable 0618
     public static ServerServiceDefinition BindService(IUnimplementedService serviceImpl)
+    #pragma warning restore 0618
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_UnimplementedCall, serviceImpl.UnimplementedCall).Build();
+    }
+
+    // creates service definition that can be registered with a server
+    #pragma warning disable 0618
+    public static ServerServiceDefinition BindService(UnimplementedServiceBase serviceImpl)
+    #pragma warning restore 0618
     {
       return ServerServiceDefinition.CreateBuilder(__ServiceName)
           .AddMethod(__Method_UnimplementedCall, serviceImpl.UnimplementedCall).Build();
@@ -287,14 +379,15 @@ namespace Grpc.Testing {
   {
     static readonly string __ServiceName = "grpc.testing.ReconnectService";
 
+    static readonly Marshaller<global::Grpc.Testing.ReconnectParams> __Marshaller_ReconnectParams = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.ReconnectParams.Parser.ParseFrom);
     static readonly Marshaller<global::Grpc.Testing.Empty> __Marshaller_Empty = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.Empty.Parser.ParseFrom);
     static readonly Marshaller<global::Grpc.Testing.ReconnectInfo> __Marshaller_ReconnectInfo = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.ReconnectInfo.Parser.ParseFrom);
 
-    static readonly Method<global::Grpc.Testing.Empty, global::Grpc.Testing.Empty> __Method_Start = new Method<global::Grpc.Testing.Empty, global::Grpc.Testing.Empty>(
+    static readonly Method<global::Grpc.Testing.ReconnectParams, global::Grpc.Testing.Empty> __Method_Start = new Method<global::Grpc.Testing.ReconnectParams, global::Grpc.Testing.Empty>(
         MethodType.Unary,
         __ServiceName,
         "Start",
-        __Marshaller_Empty,
+        __Marshaller_ReconnectParams,
         __Marshaller_Empty);
 
     static readonly Method<global::Grpc.Testing.Empty, global::Grpc.Testing.ReconnectInfo> __Method_Stop = new Method<global::Grpc.Testing.Empty, global::Grpc.Testing.ReconnectInfo>(
@@ -311,12 +404,13 @@ namespace Grpc.Testing {
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IReconnectServiceClient
     {
-      global::Grpc.Testing.Empty Start(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
-      global::Grpc.Testing.Empty Start(global::Grpc.Testing.Empty request, CallOptions options);
-      AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
-      AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.Empty request, CallOptions options);
+      global::Grpc.Testing.Empty Start(global::Grpc.Testing.ReconnectParams request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      global::Grpc.Testing.Empty Start(global::Grpc.Testing.ReconnectParams request, CallOptions options);
+      AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.ReconnectParams request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.ReconnectParams request, CallOptions options);
       global::Grpc.Testing.ReconnectInfo Stop(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
       global::Grpc.Testing.ReconnectInfo Stop(global::Grpc.Testing.Empty request, CallOptions options);
       AsyncUnaryCall<global::Grpc.Testing.ReconnectInfo> StopAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -324,62 +418,100 @@ namespace Grpc.Testing {
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IReconnectService
     {
-      Task<global::Grpc.Testing.Empty> Start(global::Grpc.Testing.Empty request, ServerCallContext context);
+      Task<global::Grpc.Testing.Empty> Start(global::Grpc.Testing.ReconnectParams request, ServerCallContext context);
       Task<global::Grpc.Testing.ReconnectInfo> Stop(global::Grpc.Testing.Empty request, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class ReconnectServiceBase
+    {
+      public virtual Task<global::Grpc.Testing.Empty> Start(global::Grpc.Testing.ReconnectParams request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.ReconnectInfo> Stop(global::Grpc.Testing.Empty request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class ReconnectServiceClient : ClientBase, IReconnectServiceClient
+    #pragma warning disable 0618
+    public class ReconnectServiceClient : ClientBase<ReconnectServiceClient>, IReconnectServiceClient
+    #pragma warning restore 0618
     {
       public ReconnectServiceClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Testing.Empty Start(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public ReconnectServiceClient(CallInvoker callInvoker) : base(callInvoker)
+      {
+      }
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected ReconnectServiceClient() : base()
+      {
+      }
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected ReconnectServiceClient(ClientBaseConfiguration configuration) : base(configuration)
+      {
+      }
+
+      public virtual global::Grpc.Testing.Empty Start(global::Grpc.Testing.ReconnectParams request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return Start(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual global::Grpc.Testing.Empty Start(global::Grpc.Testing.ReconnectParams request, CallOptions options)
       {
-        var call = CreateCall(__Method_Start, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_Start, null, options, request);
       }
-      public global::Grpc.Testing.Empty Start(global::Grpc.Testing.Empty request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.ReconnectParams request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Start, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return StartAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.ReconnectParams request, CallOptions options)
       {
-        var call = CreateCall(__Method_Start, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_Start, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.Empty request, CallOptions options)
+      public virtual global::Grpc.Testing.ReconnectInfo Stop(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Start, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return Stop(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public global::Grpc.Testing.ReconnectInfo Stop(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Grpc.Testing.ReconnectInfo Stop(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_Stop, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_Stop, null, options, request);
       }
-      public global::Grpc.Testing.ReconnectInfo Stop(global::Grpc.Testing.Empty request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.ReconnectInfo> StopAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Stop, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return StopAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.ReconnectInfo> StopAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.ReconnectInfo> StopAsync(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_Stop, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_Stop, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.ReconnectInfo> StopAsync(global::Grpc.Testing.Empty request, CallOptions options)
+      protected override ReconnectServiceClient NewInstance(ClientBaseConfiguration configuration)
       {
-        var call = CreateCall(__Method_Stop, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return new ReconnectServiceClient(configuration);
       }
     }
 
     // creates service definition that can be registered with a server
+    #pragma warning disable 0618
     public static ServerServiceDefinition BindService(IReconnectService serviceImpl)
+    #pragma warning restore 0618
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_Start, serviceImpl.Start)
+          .AddMethod(__Method_Stop, serviceImpl.Stop).Build();
+    }
+
+    // creates service definition that can be registered with a server
+    #pragma warning disable 0618
+    public static ServerServiceDefinition BindService(ReconnectServiceBase serviceImpl)
+    #pragma warning restore 0618
     {
       return ServerServiceDefinition.CreateBuilder(__ServiceName)
           .AddMethod(__Method_Start, serviceImpl.Start)
diff --git a/src/csharp/Grpc.IntegrationTesting/TestServiceGrpc.cs b/src/csharp/Grpc.IntegrationTesting/TestServiceGrpc.cs
deleted file mode 100644
index 9f14dad6c0c4e7170282743587bb27e723e5c9f1..0000000000000000000000000000000000000000
--- a/src/csharp/Grpc.IntegrationTesting/TestServiceGrpc.cs
+++ /dev/null
@@ -1,204 +0,0 @@
-#region Copyright notice and license
-
-// Copyright 2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#endregion
-
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using Grpc.Core;
-
-namespace grpc.testing
-{
-    /// <summary>
-    /// TestService (this is handwritten version of code that will normally be generated).
-    /// </summary>
-    public class TestServiceGrpc
-    {
-        static readonly string ServiceName = "/grpc.testing.TestService";
-
-        static readonly Marshaller<Empty> EmptyMarshaller = Marshallers.Create((arg) => arg.ToByteArray(), Empty.ParseFrom);
-        static readonly Marshaller<SimpleRequest> SimpleRequestMarshaller = Marshallers.Create((arg) => arg.ToByteArray(), SimpleRequest.ParseFrom);
-        static readonly Marshaller<SimpleResponse> SimpleResponseMarshaller = Marshallers.Create((arg) => arg.ToByteArray(), SimpleResponse.ParseFrom);
-        static readonly Marshaller<StreamingOutputCallRequest> StreamingOutputCallRequestMarshaller = Marshallers.Create((arg) => arg.ToByteArray(), StreamingOutputCallRequest.ParseFrom);
-        static readonly Marshaller<StreamingOutputCallResponse> StreamingOutputCallResponseMarshaller = Marshallers.Create((arg) => arg.ToByteArray(), StreamingOutputCallResponse.ParseFrom);
-        static readonly Marshaller<StreamingInputCallRequest> StreamingInputCallRequestMarshaller = Marshallers.Create((arg) => arg.ToByteArray(), StreamingInputCallRequest.ParseFrom);
-        static readonly Marshaller<StreamingInputCallResponse> StreamingInputCallResponseMarshaller = Marshallers.Create((arg) => arg.ToByteArray(), StreamingInputCallResponse.ParseFrom);
-
-        static readonly Method<Empty, Empty> EmptyCallMethod = new Method<Empty, Empty>(
-            MethodType.Unary,
-            "EmptyCall",
-            EmptyMarshaller,
-            EmptyMarshaller);
-
-        static readonly Method<SimpleRequest, SimpleResponse> UnaryCallMethod = new Method<SimpleRequest, SimpleResponse>(
-            MethodType.Unary,
-            "UnaryCall",
-            SimpleRequestMarshaller,
-            SimpleResponseMarshaller);
-
-        static readonly Method<StreamingOutputCallRequest, StreamingOutputCallResponse> StreamingOutputCallMethod = new Method<StreamingOutputCallRequest, StreamingOutputCallResponse>(
-            MethodType.ServerStreaming,
-            "StreamingOutputCall",
-            StreamingOutputCallRequestMarshaller,
-            StreamingOutputCallResponseMarshaller);
-
-        static readonly Method<StreamingInputCallRequest, StreamingInputCallResponse> StreamingInputCallMethod = new Method<StreamingInputCallRequest, StreamingInputCallResponse>(
-            MethodType.ClientStreaming,
-            "StreamingInputCall",
-            StreamingInputCallRequestMarshaller,
-            StreamingInputCallResponseMarshaller);
-
-        static readonly Method<StreamingOutputCallRequest, StreamingOutputCallResponse> FullDuplexCallMethod = new Method<StreamingOutputCallRequest, StreamingOutputCallResponse>(
-            MethodType.DuplexStreaming,
-            "FullDuplexCall",
-            StreamingOutputCallRequestMarshaller,
-            StreamingOutputCallResponseMarshaller);
-
-        static readonly Method<StreamingOutputCallRequest, StreamingOutputCallResponse> HalfDuplexCallMethod = new Method<StreamingOutputCallRequest, StreamingOutputCallResponse>(
-            MethodType.DuplexStreaming,
-            "HalfDuplexCall",
-            StreamingOutputCallRequestMarshaller,
-            StreamingOutputCallResponseMarshaller);
-
-        public interface ITestServiceClient
-        {
-            Empty EmptyCall(Empty request, CancellationToken token = default(CancellationToken));
-
-            Task<Empty> EmptyCallAsync(Empty request, CancellationToken token = default(CancellationToken));
-
-            SimpleResponse UnaryCall(SimpleRequest request, CancellationToken token = default(CancellationToken));
-
-            Task<SimpleResponse> UnaryCallAsync(SimpleRequest request, CancellationToken token = default(CancellationToken));
-
-            AsyncServerStreamingCall<StreamingOutputCallResponse> StreamingOutputCall(StreamingOutputCallRequest request, CancellationToken token = default(CancellationToken));
-
-            AsyncClientStreamingCall<StreamingInputCallRequest, StreamingInputCallResponse> StreamingInputCall(CancellationToken token = default(CancellationToken));
-
-            AsyncDuplexStreamingCall<StreamingOutputCallRequest, StreamingOutputCallResponse> FullDuplexCall(CancellationToken token = default(CancellationToken));
-
-            AsyncDuplexStreamingCall<StreamingOutputCallRequest, StreamingOutputCallResponse> HalfDuplexCall(CancellationToken token = default(CancellationToken));
-        }
-
-        public class TestServiceClientStub : AbstractStub<TestServiceClientStub, StubConfiguration>, ITestServiceClient
-        {
-            public TestServiceClientStub(Channel channel) : base(channel, StubConfiguration.Default)
-            {
-            }
-
-            public TestServiceClientStub(Channel channel, StubConfiguration config) : base(channel, config)
-            {
-            }
-
-            public Empty EmptyCall(Empty request, CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, EmptyCallMethod);
-                return Calls.BlockingUnaryCall(call, request, token);
-            }
-
-            public Task<Empty> EmptyCallAsync(Empty request, CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, EmptyCallMethod);
-                return Calls.AsyncUnaryCall(call, request, token);
-            }
-
-            public SimpleResponse UnaryCall(SimpleRequest request, CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, UnaryCallMethod);
-                return Calls.BlockingUnaryCall(call, request, token);
-            }
-
-            public Task<SimpleResponse> UnaryCallAsync(SimpleRequest request, CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, UnaryCallMethod);
-                return Calls.AsyncUnaryCall(call, request, token);
-            }
-
-            public AsyncServerStreamingCall<StreamingOutputCallResponse> StreamingOutputCall(StreamingOutputCallRequest request, CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, StreamingOutputCallMethod);
-                return Calls.AsyncServerStreamingCall(call, request, token);
-            }
-
-            public AsyncClientStreamingCall<StreamingInputCallRequest, StreamingInputCallResponse> StreamingInputCall(CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, StreamingInputCallMethod);
-                return Calls.AsyncClientStreamingCall(call, token);
-            }
-
-            public AsyncDuplexStreamingCall<StreamingOutputCallRequest, StreamingOutputCallResponse> FullDuplexCall(CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, FullDuplexCallMethod);
-                return Calls.AsyncDuplexStreamingCall(call, token);
-            }
-
-            public AsyncDuplexStreamingCall<StreamingOutputCallRequest, StreamingOutputCallResponse> HalfDuplexCall(CancellationToken token = default(CancellationToken))
-            {
-                var call = CreateCall(ServiceName, HalfDuplexCallMethod);
-                return Calls.AsyncDuplexStreamingCall(call, token);
-            }
-        }
-
-        // server-side interface
-        public interface ITestService
-        {
-            Task<Empty> EmptyCall(ServerCallContext context, Empty request);
-
-            Task<SimpleResponse> UnaryCall(ServerCallContext context, SimpleRequest request);
-
-            Task StreamingOutputCall(ServerCallContext context, StreamingOutputCallRequest request, IServerStreamWriter<StreamingOutputCallResponse> responseStream);
-
-            Task<StreamingInputCallResponse> StreamingInputCall(ServerCallContext context, IAsyncStreamReader<StreamingInputCallRequest> requestStream);
-
-            Task FullDuplexCall(ServerCallContext context, IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream);
-
-            Task HalfDuplexCall(ServerCallContext context, IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream);
-        }
-
-        public static ServerServiceDefinition BindService(ITestService serviceImpl)
-        {
-            return ServerServiceDefinition.CreateBuilder(ServiceName)
-                .AddMethod(EmptyCallMethod, serviceImpl.EmptyCall)
-                .AddMethod(UnaryCallMethod, serviceImpl.UnaryCall)
-                .AddMethod(StreamingOutputCallMethod, serviceImpl.StreamingOutputCall)
-                .AddMethod(StreamingInputCallMethod, serviceImpl.StreamingInputCall)
-                .AddMethod(FullDuplexCallMethod, serviceImpl.FullDuplexCall)
-                .AddMethod(HalfDuplexCallMethod, serviceImpl.HalfDuplexCall)
-                .Build();
-        }
-
-        public static ITestServiceClient NewStub(Channel channel)
-        {
-            return new TestServiceClientStub(channel);
-        }
-    }
-}
diff --git a/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs b/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs
index 5a1b4cf319b696a57a0ec41badcdf6b2f598f280..354318e80e23d7996d9436eb784e7549af3e20d1 100644
--- a/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs
+++ b/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -45,14 +45,14 @@ namespace Grpc.Testing
     /// <summary>
     /// Implementation of TestService server
     /// </summary>
-    public class TestServiceImpl : TestService.ITestService
+    public class TestServiceImpl : TestService.TestServiceBase
     {
-        public Task<Empty> EmptyCall(Empty request, ServerCallContext context)
+        public override Task<Empty> EmptyCall(Empty request, ServerCallContext context)
         {
             return Task.FromResult(new Empty());
         }
 
-        public async Task<SimpleResponse> UnaryCall(SimpleRequest request, ServerCallContext context)
+        public override async Task<SimpleResponse> UnaryCall(SimpleRequest request, ServerCallContext context)
         {
             await EnsureEchoMetadataAsync(context);
             EnsureEchoStatus(request.ResponseStatus, context);
@@ -61,7 +61,7 @@ namespace Grpc.Testing
             return response;
         }
 
-        public async Task StreamingOutputCall(StreamingOutputCallRequest request, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
+        public override async Task StreamingOutputCall(StreamingOutputCallRequest request, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
         {
             await EnsureEchoMetadataAsync(context);
             EnsureEchoStatus(request.ResponseStatus, context);
@@ -73,7 +73,7 @@ namespace Grpc.Testing
             }
         }
 
-        public async Task<StreamingInputCallResponse> StreamingInputCall(IAsyncStreamReader<StreamingInputCallRequest> requestStream, ServerCallContext context)
+        public override async Task<StreamingInputCallResponse> StreamingInputCall(IAsyncStreamReader<StreamingInputCallRequest> requestStream, ServerCallContext context)
         {
             await EnsureEchoMetadataAsync(context);
 
@@ -85,7 +85,7 @@ namespace Grpc.Testing
             return new StreamingInputCallResponse { AggregatedPayloadSize = sum };
         }
 
-        public async Task FullDuplexCall(IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
+        public override async Task FullDuplexCall(IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
         {
             await EnsureEchoMetadataAsync(context);
 
@@ -100,7 +100,7 @@ namespace Grpc.Testing
             });
         }
 
-        public async Task HalfDuplexCall(IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
+        public override async Task HalfDuplexCall(IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
         {
             throw new NotImplementedException();
         }
diff --git a/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs b/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs
index cab299a137357a3b3506a1ff44bfc11402648a40..80dad9fdd9376a95af9efea1f733f9d8a81db06b 100644
--- a/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs
+++ b/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -45,7 +45,7 @@ namespace Grpc.Testing
     /// <summary>
     /// Implementation of WorkerService server
     /// </summary>
-    public class WorkerServiceImpl : WorkerService.IWorkerService
+    public class WorkerServiceImpl : WorkerService.WorkerServiceBase
     {
         readonly Action stopRequestHandler;
 
@@ -54,7 +54,7 @@ namespace Grpc.Testing
             this.stopRequestHandler = GrpcPreconditions.CheckNotNull(stopRequestHandler);
         }
         
-        public async Task RunServer(IAsyncStreamReader<ServerArgs> requestStream, IServerStreamWriter<ServerStatus> responseStream, ServerCallContext context)
+        public override async Task RunServer(IAsyncStreamReader<ServerArgs> requestStream, IServerStreamWriter<ServerStatus> responseStream, ServerCallContext context)
         {
             GrpcPreconditions.CheckState(await requestStream.MoveNext());
             var serverConfig = requestStream.Current.Setup;
@@ -78,7 +78,7 @@ namespace Grpc.Testing
             await runner.StopAsync();
         }
 
-        public async Task RunClient(IAsyncStreamReader<ClientArgs> requestStream, IServerStreamWriter<ClientStatus> responseStream, ServerCallContext context)
+        public override async Task RunClient(IAsyncStreamReader<ClientArgs> requestStream, IServerStreamWriter<ClientStatus> responseStream, ServerCallContext context)
         {
             GrpcPreconditions.CheckState(await requestStream.MoveNext());
             var clientConfig = requestStream.Current.Setup;
@@ -100,12 +100,12 @@ namespace Grpc.Testing
             await runner.StopAsync();
         }
 
-        public Task<CoreResponse> CoreCount(CoreRequest request, ServerCallContext context)
+        public override Task<CoreResponse> CoreCount(CoreRequest request, ServerCallContext context)
         {
             return Task.FromResult(new CoreResponse { Cores = Environment.ProcessorCount });
         }
 
-        public Task<Void> QuitWorker(Void request, ServerCallContext context)
+        public override Task<Void> QuitWorker(Void request, ServerCallContext context)
         {
             stopRequestHandler();
             return Task.FromResult(new Void());
diff --git a/src/csharp/Grpc.IntegrationTesting/app.config b/src/csharp/Grpc.IntegrationTesting/app.config
deleted file mode 100644
index 84d7534d650c51f8e2e4e0049dccab26d725c90f..0000000000000000000000000000000000000000
--- a/src/csharp/Grpc.IntegrationTesting/app.config
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <runtime>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.29.0" newVersion="4.2.29.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.0.0.0" />
-      </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="Google.Apis.Core" publicKeyToken="4b01fa6e34db77ab" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-1.9.2.38523" newVersion="1.9.2.38523" />
-      </dependentAssembly>
-    </assemblyBinding>
-  </runtime>
-</configuration>
\ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting/packages.config b/src/csharp/Grpc.IntegrationTesting/packages.config
index 462dc9d60456e4806f2a6493f3fe87d50d2cddac..3fef67dca4f924e93326b82d023883051187418c 100644
--- a/src/csharp/Grpc.IntegrationTesting/packages.config
+++ b/src/csharp/Grpc.IntegrationTesting/packages.config
@@ -2,15 +2,12 @@
 <packages>
   <package id="BouncyCastle" version="1.7.0" targetFramework="net45" />
   <package id="CommandLineParser" version="1.9.71" targetFramework="net45" />
-  <package id="Google.Apis.Auth" version="1.10.0" targetFramework="net45" />
-  <package id="Google.Apis.Core" version="1.10.0" targetFramework="net45" />
+  <package id="Google.Apis.Auth" version="1.11.1" targetFramework="net45" />
+  <package id="Google.Apis.Core" version="1.11.1" targetFramework="net45" />
   <package id="Google.Protobuf" version="3.0.0-beta2" targetFramework="net45" />
   <package id="Ix-Async" version="1.2.5" targetFramework="net45" />
-  <package id="Microsoft.Bcl" version="1.1.10" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net45" />
-  <package id="Microsoft.Bcl.Build" version="1.0.21" targetFramework="net45" />
-  <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net45" />
   <package id="Moq" version="4.2.1510.2205" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
-  <package id="NUnit" version="2.6.4" targetFramework="net45" />
+  <package id="NUnit" version="3.2.0" targetFramework="net45" />
+  <package id="NUnitLite" version="3.2.0" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/Grpc.sln b/src/csharp/Grpc.sln
index 8ff35e8c0d0193f35ad390314f467e16d8cec859..9be36c0caa44aeb999b57ce39aa18ee89b60f82a 100644
--- a/src/csharp/Grpc.sln
+++ b/src/csharp/Grpc.sln
@@ -34,6 +34,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Grpc.HealthCheck.Tests", "G
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Grpc.IntegrationTesting.QpsWorker", "Grpc.IntegrationTesting.QpsWorker\Grpc.IntegrationTesting.QpsWorker.csproj", "{B82B7DFE-7F7B-40EF-B3D6-064FF2B01294}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Grpc.IntegrationTesting.StressClient", "Grpc.IntegrationTesting.StressClient\Grpc.IntegrationTesting.StressClient.csproj", "{ADEBA147-80AE-4710-82E9-5B7F93690266}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -83,6 +85,12 @@ Global
 		{AA5E328A-8835-49D7-98ED-C29F2B3049F0}.Release|Any CPU.Build.0 = Release|Any CPU
 		{AA5E328A-8835-49D7-98ED-C29F2B3049F0}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
 		{AA5E328A-8835-49D7-98ED-C29F2B3049F0}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
+		{ADEBA147-80AE-4710-82E9-5B7F93690266}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{ADEBA147-80AE-4710-82E9-5B7F93690266}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{ADEBA147-80AE-4710-82E9-5B7F93690266}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{ADEBA147-80AE-4710-82E9-5B7F93690266}.Release|Any CPU.Build.0 = Release|Any CPU
+		{ADEBA147-80AE-4710-82E9-5B7F93690266}.ReleaseSigned|Any CPU.ActiveCfg = Release|Any CPU
+		{ADEBA147-80AE-4710-82E9-5B7F93690266}.ReleaseSigned|Any CPU.Build.0 = Release|Any CPU
 		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.Release|Any CPU.ActiveCfg = Release|Any CPU
diff --git a/src/csharp/README.md b/src/csharp/README.md
index b4fa945ac988e65a571e4229b87b14342a86204c..201c5ab0b56528cf9153945dd066832cc96e5b64 100644
--- a/src/csharp/README.md
+++ b/src/csharp/README.md
@@ -55,16 +55,11 @@ If you are a user of gRPC C#, go to Usage section above.
 
 **Windows**
 
-- The grpc_csharp_ext native library needs to be built so you can build the gRPC C# solution. You can 
-  either build the native solution in `vsprojects/grpc_csharp_ext.sln` from Visual Studio manually, or you can use
-  a convenience batch script that builds everything for you.
+- The grpc_csharp_ext native library needs to be built so you can build the gRPC C# solution. Open the
+  solution `vsprojects/grpc_csharp_ext.sln` in Visual Studio and build it.
 
-  ```
-  > REM From src/csharp directory
-  > buildall.bat
-  ```
-
-- Open Grpc.sln using Visual Studio.
+- Open `src\csharp\Grpc.sln` (path is relative to gRPC repository root)
+  using Visual Studio
 
 **Linux**
 
@@ -79,7 +74,7 @@ If you are a user of gRPC C#, go to Usage section above.
 **Mac OS X**
 
 - The grpc_csharp_ext native library needs to be built so you can build the gRPC C# solution.
-  
+
   ```sh
   # from the gRPC repository root
   $ tools/run_tests/run_tests.py -c dbg -l csharp --build_only
diff --git a/src/csharp/build_packages.bat b/src/csharp/build_packages.bat
index 7c42a6d3fc48792c20e2c3e48665a8f06dff31d3..9a60be26b6305c8db5fe3a2d6f956d86e94b5ebe 100644
--- a/src/csharp/build_packages.bat
+++ b/src/csharp/build_packages.bat
@@ -12,12 +12,12 @@ set NUGET=C:\nuget\nuget.exe
 
 @rem Collect the artifacts built by the previous build step if running on Jenkins
 @rem TODO(jtattermusch): is there a better way to do this?
-xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=windows\artifacts\* grpc.native.csharp\windows_x86\
-xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=windows\artifacts\* grpc.native.csharp\windows_x64\
-xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=linux\artifacts\* grpc.native.csharp\linux_x86\
-xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=linux\artifacts\* grpc.native.csharp\linux_x64\
-xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=macos\artifacts\* grpc.native.csharp\macosx_x86\
-xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=macos\artifacts\* grpc.native.csharp\macosx_x64\
+xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=windows\artifacts\* Grpc.Core\windows_x86\
+xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=windows\artifacts\* Grpc.Core\windows_x64\
+xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=linux\artifacts\* Grpc.Core\linux_x86\
+xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=linux\artifacts\* Grpc.Core\linux_x64\
+xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=macos\artifacts\* Grpc.Core\macosx_x86\
+xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=macos\artifacts\* Grpc.Core\macosx_x64\
 
 @rem Collect protoc artifacts built by the previous build step
 xcopy /Y /I ..\..\architecture=x86,language=protoc,platform=windows\artifacts\* protoc_plugins\windows_x86\
@@ -42,7 +42,6 @@ msbuild Grpc.sln /p:Configuration=ReleaseSigned || goto :error
 
 endlocal
 
-%NUGET% pack grpc.native.csharp\grpc.native.csharp.nuspec -Version %VERSION% || goto :error
 %NUGET% pack Grpc.Auth\Grpc.Auth.nuspec -Symbols -Version %VERSION% || goto :error
 %NUGET% pack Grpc.Core\Grpc.Core.nuspec -Symbols -Version %VERSION% || goto :error
 %NUGET% pack Grpc.HealthCheck\Grpc.HealthCheck.nuspec -Symbols -Version %VERSION_WITH_BETA% -Properties ProtobufVersion=%PROTOBUF_VERSION% || goto :error
diff --git a/src/csharp/buildall.bat b/src/csharp/buildall.bat
index fcc84426563ccb48661bc1082b488e65654523a1..f800756dfeca7d1bc17111ba9e00d00f08868c77 100644
--- a/src/csharp/buildall.bat
+++ b/src/csharp/buildall.bat
@@ -8,6 +8,12 @@ cd /d %~dp0
 @rem Set VS variables (uses Visual Studio 2013)
 @call "%VS120COMNTOOLS%\..\..\vc\vcvarsall.bat" x86
 
+@rem Fetch all dependencies
+nuget restore ..\..\vsprojects\grpc.sln || goto :error
+nuget restore ..\..\vsprojects\grpc_csharp_ext.sln || goto :error
+nuget restore ..\..\vsprojects\grpc_protoc_plugins.sln || goto :error
+nuget restore Grpc.sln || goto :error
+
 @rem Build the C# native extension
 msbuild ..\..\vsprojects\grpc_csharp_ext.sln /p:Configuration=Debug /p:PlatformToolset=v120 || goto :error
 msbuild ..\..\vsprojects\grpc_csharp_ext.sln /p:Configuration=Release /p:PlatformToolset=v120 || goto :error
diff --git a/src/csharp/ext/grpc_csharp_ext.c b/src/csharp/ext/grpc_csharp_ext.c
index 1df74a099378aa27e6df2958286c22d2bd0a3862..aeef8a79e9924ca25ce7b99a52b9d9f293ab5b8a 100644
--- a/src/csharp/ext/grpc_csharp_ext.c
+++ b/src/csharp/ext/grpc_csharp_ext.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 #include <grpc/byte_buffer_reader.h>
 #include <grpc/support/port_platform.h>
@@ -911,9 +911,12 @@ grpcsharp_ssl_server_credentials_create(
       key_cert_pairs[i].private_key = key_cert_pair_private_key_array[i];
     }
   }
-  creds = grpc_ssl_server_credentials_create(pem_root_certs, key_cert_pairs,
-                                             num_key_cert_pairs,
-                                             force_client_auth, NULL);
+  creds = grpc_ssl_server_credentials_create_ex(
+      pem_root_certs, key_cert_pairs, num_key_cert_pairs,
+      force_client_auth
+          ? GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY
+          : GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE,
+      NULL);
   gpr_free(key_cert_pairs);
   return creds;
 }
diff --git a/src/csharp/generate_proto_csharp.sh b/src/csharp/generate_proto_csharp.sh
index 23e0540253a3ec226619959dbc8000a3bba741a1..79488e02a53b4f19ebbebd0f54cb906fe220ea15 100755
--- a/src/csharp/generate_proto_csharp.sh
+++ b/src/csharp/generate_proto_csharp.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -45,4 +45,4 @@ $PROTOC --plugin=$PLUGIN --csharp_out=$HEALTHCHECK_DIR --grpc_out=$HEALTHCHECK_D
     -I src/proto/grpc/health/v1 src/proto/grpc/health/v1/health.proto
 
 $PROTOC --plugin=$PLUGIN --csharp_out=$TESTING_DIR --grpc_out=$TESTING_DIR \
-    -I . src/proto/grpc/testing/{control,empty,messages,payloads,services,stats,test}.proto 
+    -I . src/proto/grpc/testing/{control,empty,messages,metrics,payloads,services,stats,test}.proto 
diff --git a/src/csharp/grpc.native.csharp/README.md b/src/csharp/grpc.native.csharp/README.md
deleted file mode 100644
index 77f1cb9b1f25fb63dfc06d63402e767f8dab3a53..0000000000000000000000000000000000000000
--- a/src/csharp/grpc.native.csharp/README.md
+++ /dev/null
@@ -1,22 +0,0 @@
-gRPC Native Nuget package
-=========================
-
-Prerequisites
--------------
-
-NuGet binary
-
-Building the package
---------------------
-
-To build the native package, you need precompiled versions
-of grpc_csharp_ext library artifacts for Windows, Linux and Mac.
-In the normal gRPC release process, these are built by a Jenkins
-job and they are copied to the expected location before building
-the native nuget package is attempted.
-
-See tools/run_tests/build_artifacts.py for more details how
-precompiled artifacts are built.
-
-When building the native NuGet package, ignore the "Assembly outside lib folder"
-warnings (the DLLs are not assemblies, they are native libraries).
diff --git a/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec b/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec
index 6a1795b7090a38b3602b4536dac84641aedd4b9b..cc688e2bc718060b931a243a4c8296785294bb1b 100644
--- a/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec
+++ b/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec
@@ -10,7 +10,7 @@
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>Native extension needed by gRPC C# library. This is not the package you are looking for, it is only meant to be used as a dependency.</description>
     <releaseNotes>Release of gRPC C core $version$ libraries.</releaseNotes>
-    <copyright>Copyright 2015-2016</copyright>
+    <copyright>Copyright 2015</copyright>
     <title>gRPC C# Native Extension</title>
     <summary>Native library required by gRPC C#</summary>
     <tags>gRPC native</tags>
diff --git a/src/csharp/tests.json b/src/csharp/tests.json
index 4aa93668ad1eb1fa3436cc64ddcaf4a07b96836f..f733352a310910da192525337be795b37b542fa1 100644
--- a/src/csharp/tests.json
+++ b/src/csharp/tests.json
@@ -1,11 +1,5 @@
 {
-  "assemblies": [
-    "Grpc.Core.Tests",
-    "Grpc.Examples.Tests",
-    "Grpc.HealthCheck.Tests",
-    "Grpc.IntegrationTesting"
-  ],
-  "tests": [
+  "Grpc.Core.Tests": [
     "Grpc.Core.Internal.Tests.AsyncCallTest",
     "Grpc.Core.Internal.Tests.ChannelArgsSafeHandleTest",
     "Grpc.Core.Internal.Tests.CompletionQueueEventTest",
@@ -21,6 +15,7 @@
     "Grpc.Core.Tests.CompressionTest",
     "Grpc.Core.Tests.ContextPropagationTest",
     "Grpc.Core.Tests.GrpcEnvironmentTest",
+    "Grpc.Core.Tests.HalfcloseTest",
     "Grpc.Core.Tests.MarshallingErrorsTest",
     "Grpc.Core.Tests.MetadataTest",
     "Grpc.Core.Tests.NUnitVersionTest",
@@ -31,11 +26,18 @@
     "Grpc.Core.Tests.ServerTest",
     "Grpc.Core.Tests.ShutdownTest",
     "Grpc.Core.Tests.TimeoutsTest",
-    "Grpc.Core.Tests.UserAgentStringTest",
-    "Math.Tests.MathClientServerTest",
+    "Grpc.Core.Tests.UserAgentStringTest"
+  ],
+  "Grpc.Examples.Tests": [
+    "Math.Tests.MathClientServerTest"
+  ],
+  "Grpc.HealthCheck.Tests": [
     "Grpc.HealthCheck.Tests.HealthClientServerTest",
-    "Grpc.HealthCheck.Tests.HealthServiceImplTest",
-    "Grpc.IntegrationTesting.HeaderInterceptorTest",
+    "Grpc.HealthCheck.Tests.HealthServiceImplTest"
+  ],
+  "Grpc.IntegrationTesting": [
+    "Grpc.IntegrationTesting.GeneratedClientTest",
+    "Grpc.IntegrationTesting.GeneratedServiceBaseTest",
     "Grpc.IntegrationTesting.HistogramTest",
     "Grpc.IntegrationTesting.InteropClientServerTest",
     "Grpc.IntegrationTesting.MetadataCredentialsTest",
diff --git a/src/node/.gitignore b/src/node/.gitignore
deleted file mode 100644
index e3fbd98336eafe421ba3caa25cf8dabdac70ca09..0000000000000000000000000000000000000000
--- a/src/node/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-build
-node_modules
diff --git a/src/node/.jshintignore b/src/node/.jshintignore
new file mode 100644
index 0000000000000000000000000000000000000000..0a73e1e2b6b55dd3d4c5e681791d1720d201d89e
--- /dev/null
+++ b/src/node/.jshintignore
@@ -0,0 +1 @@
+**/*_pb.js
\ No newline at end of file
diff --git a/src/node/.jshintrc b/src/node/.jshintrc
deleted file mode 100644
index 8237e0d2b6430de7834f13db03a1fe2a01c76fa7..0000000000000000000000000000000000000000
--- a/src/node/.jshintrc
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-  "bitwise": true,
-  "curly": true,
-  "eqeqeq": true,
-  "esnext": true,
-  "freeze": true,
-  "immed": true,
-  "indent": 2,
-  "latedef": "nofunc",
-  "maxlen": 80,
-  "newcap": true,
-  "node": true,
-  "noarg": true,
-  "quotmark": "single",
-  "strict": true,
-  "trailing": true,
-  "undef": true,
-  "unused": "vars",
-  "globals": {
-    /* Mocha-provided globals */
-    "describe": false,
-    "it": false,
-    "before": false,
-    "beforeEach": false,
-    "after": false,
-    "afterEach": false
-  }
-}
diff --git a/src/node/README.md b/src/node/README.md
index 3501b54a6654d6ededd90c8f7de8da7771376d2a..15d4c6d02f7940c91feb336bbfad279ed68ee8fd 100644
--- a/src/node/README.md
+++ b/src/node/README.md
@@ -7,6 +7,8 @@ Beta
 ## PREREQUISITES
 - `node`: This requires `node` to be installed, version `0.12` or above. If you instead have the `nodejs` executable on Debian, you should install the [`nodejs-legacy`](https://packages.debian.org/sid/nodejs-legacy) package.
 
+- **Note:** If you installed `node` via a package manager and the version is still less than `0.12`, try directly installing it from [nodejs.org](https://nodejs.org).
+
 ## INSTALLATION
 
 Install the gRPC NPM package
@@ -17,7 +19,21 @@ npm install grpc
 
 ## BUILD FROM SOURCE
  1. Clone [the grpc Git Repository](https://github.com/grpc/grpc).
- 3. Run `npm install`.
+ 2. Run `npm install` from the repository root.
+
+ - **Note:** On Windows, this might fail due to [nodejs issue #4932](https://github.com/nodejs/node/issues/4932) in which case, you will see something like the following in `npm install`'s output (towards the very beginning):
+
+    ```
+     ..
+     Building the projects in this solution one at a time. To enable parallel build, please add the "/m" switch.
+     WINDOWS_BUILD_WARNING
+      "..\IMPORTANT: Due to https:\github.com\nodejs\node\issues\4932, to build this library on Windows, you must first remove C:\Users\jenkins\.node-gyp\4.4.0\include\node\openssl"
+      ...
+      ..
+    ```
+
+    To fix this, you will have to delete the folder `C:\Users\<username>\.node-gyp\<node_version>\include\node\openssl` and retry `npm install`
+
 
 ## TESTING
 To run the test suite, simply run `npm test` in the install location.
diff --git a/src/node/ext/byte_buffer.cc b/src/node/ext/byte_buffer.cc
index 0f7edada14f5121d6b46d6cc49a6d1da91e194ef..8e0b6916e9d5b564694dcc88934329518d56d2cd 100644
--- a/src/node/ext/byte_buffer.cc
+++ b/src/node/ext/byte_buffer.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/ext/call.cc b/src/node/ext/call.cc
index da312886cea5beebc48fe8200c55206c7bd97d28..9f023b588318ca96c39d44204e61b6179a0cdfeb 100644
--- a/src/node/ext/call.cc
+++ b/src/node/ext/call.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/ext/call_credentials.cc b/src/node/ext/call_credentials.cc
index 98696db23254c66ff3df08a1e5ecbe090e6edd7b..3c8f0c56da4df23a29d60cf57fa5c55e1e55cfc1 100644
--- a/src/node/ext/call_credentials.cc
+++ b/src/node/ext/call_credentials.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,6 +35,8 @@
 #include <nan.h>
 #include <uv.h>
 
+#include <list>
+
 #include "grpc/grpc.h"
 #include "grpc/grpc_security.h"
 #include "grpc/support/log.h"
@@ -161,6 +163,15 @@ NAN_METHOD(CallCredentials::CreateFromPlugin) {
   grpc_metadata_credentials_plugin plugin;
   plugin_state *state = new plugin_state;
   state->callback = new Nan::Callback(info[0].As<Function>());
+  state->pending_callbacks = new std::list<plugin_callback_data*>();
+  uv_mutex_init(&state->plugin_mutex);
+  uv_async_init(uv_default_loop(),
+                &state->plugin_async,
+                SendPluginCallback);
+  uv_unref((uv_handle_t*)&state->plugin_async);
+
+  state->plugin_async.data = state;
+
   plugin.get_metadata = plugin_get_metadata;
   plugin.destroy = plugin_destroy_state;
   plugin.state = reinterpret_cast<void*>(state);
@@ -208,48 +219,60 @@ NAN_METHOD(PluginCallback) {
 
 NAUV_WORK_CB(SendPluginCallback) {
   Nan::HandleScope scope;
-  plugin_callback_data *data = reinterpret_cast<plugin_callback_data*>(
-      async->data);
-  // Attach cb and user_data to plugin_callback so that it can access them later
-  v8::Local<v8::Function> plugin_callback = Nan::GetFunction(
-      Nan::New<v8::FunctionTemplate>(PluginCallback)).ToLocalChecked();
-  Nan::Set(plugin_callback, Nan::New("cb").ToLocalChecked(),
-           Nan::New<v8::External>(reinterpret_cast<void*>(data->cb)));
-  Nan::Set(plugin_callback, Nan::New("user_data").ToLocalChecked(),
-           Nan::New<v8::External>(data->user_data));
-  const int argc = 2;
-  v8::Local<v8::Value> argv[argc] = {
-    Nan::New(data->service_url).ToLocalChecked(),
-    plugin_callback
-  };
-  Nan::Callback *callback = data->state->callback;
-  callback->Call(argc, argv);
-  delete data;
-  uv_unref((uv_handle_t *)async);
-  uv_close((uv_handle_t *)async, (uv_close_cb)free);
+  plugin_state *state = reinterpret_cast<plugin_state*>(async->data);
+  std::list<plugin_callback_data*> callbacks;
+  uv_mutex_lock(&state->plugin_mutex);
+  callbacks.splice(callbacks.begin(), *state->pending_callbacks);
+  uv_mutex_unlock(&state->plugin_mutex);
+  while (!callbacks.empty()) {
+    plugin_callback_data *data = callbacks.front();
+    callbacks.pop_front();
+    // Attach cb and user_data to plugin_callback so that it can access them later
+    v8::Local<v8::Function> plugin_callback = Nan::GetFunction(
+        Nan::New<v8::FunctionTemplate>(PluginCallback)).ToLocalChecked();
+    Nan::Set(plugin_callback, Nan::New("cb").ToLocalChecked(),
+             Nan::New<v8::External>(reinterpret_cast<void*>(data->cb)));
+    Nan::Set(plugin_callback, Nan::New("user_data").ToLocalChecked(),
+             Nan::New<v8::External>(data->user_data));
+    const int argc = 2;
+    v8::Local<v8::Value> argv[argc] = {
+      Nan::New(data->service_url).ToLocalChecked(),
+      plugin_callback
+    };
+    Nan::Callback *callback = state->callback;
+    callback->Call(argc, argv);
+    delete data;
+  }
 }
 
 void plugin_get_metadata(void *state, grpc_auth_metadata_context context,
                          grpc_credentials_plugin_metadata_cb cb,
                          void *user_data) {
-  uv_async_t *async = static_cast<uv_async_t*>(malloc(sizeof(uv_async_t)));
-  uv_async_init(uv_default_loop(),
-                async,
-                SendPluginCallback);
+  plugin_state *p_state = reinterpret_cast<plugin_state*>(state);
   plugin_callback_data *data = new plugin_callback_data;
-  data->state = reinterpret_cast<plugin_state*>(state);
   data->service_url = context.service_url;
   data->cb = cb;
   data->user_data = user_data;
-  async->data = data;
-  /* libuv says that it will coalesce calls to uv_async_send. If there is ever a
-   * problem with a callback not getting called, that is probably the reason */
-  uv_async_send(async);
+
+  uv_mutex_lock(&p_state->plugin_mutex);
+  p_state->pending_callbacks->push_back(data);
+  uv_mutex_unlock(&p_state->plugin_mutex);
+
+  uv_async_send(&p_state->plugin_async);
+}
+
+void plugin_uv_close_cb(uv_handle_t *handle) {
+  uv_async_t *async = reinterpret_cast<uv_async_t*>(handle);
+  plugin_state *state = reinterpret_cast<plugin_state *>(async->data);
+  uv_mutex_destroy(&state->plugin_mutex);
+  delete state->pending_callbacks;
+  delete state->callback;
+  delete state;
 }
 
 void plugin_destroy_state(void *ptr) {
   plugin_state *state = reinterpret_cast<plugin_state *>(ptr);
-  delete state->callback;
+  uv_close((uv_handle_t*)&state->plugin_async, plugin_uv_close_cb);
 }
 
 }  // namespace node
diff --git a/src/node/ext/call_credentials.h b/src/node/ext/call_credentials.h
index a9bfe30f9404b6d3af236ce091d905c23d5161d8..04c852bea1ebbba33d59160c419b968c2fed7156 100644
--- a/src/node/ext/call_credentials.h
+++ b/src/node/ext/call_credentials.h
@@ -34,8 +34,11 @@
 #ifndef GRPC_NODE_CALL_CREDENTIALS_H_
 #define GRPC_NODE_CALL_CREDENTIALS_H_
 
+#include <list>
+
 #include <node.h>
 #include <nan.h>
+#include <uv.h>
 #include "grpc/grpc_security.h"
 
 namespace grpc {
@@ -73,17 +76,20 @@ class CallCredentials : public Nan::ObjectWrap {
 
 /* Auth metadata plugin functionality */
 
-typedef struct plugin_state {
-  Nan::Callback *callback;
-} plugin_state;
-
 typedef struct plugin_callback_data {
-  plugin_state *state;
   const char *service_url;
   grpc_credentials_plugin_metadata_cb cb;
   void *user_data;
 } plugin_callback_data;
 
+typedef struct plugin_state {
+  Nan::Callback *callback;
+  std::list<plugin_callback_data*> *pending_callbacks;
+  uv_mutex_t plugin_mutex;
+  // async.data == this
+  uv_async_t plugin_async;
+} plugin_state;
+
 void plugin_get_metadata(void *state, grpc_auth_metadata_context context,
                          grpc_credentials_plugin_metadata_cb cb,
                          void *user_data);
diff --git a/src/node/ext/node_grpc.cc b/src/node/ext/node_grpc.cc
index 0c71b2d610d446e2438b3759275c21d76cfc79db..b988f29878b02adb6c798bdc0d213972554f55bc 100644
--- a/src/node/ext/node_grpc.cc
+++ b/src/node/ext/node_grpc.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/ext/server_credentials.cc b/src/node/ext/server_credentials.cc
index 5285d53df418c2802fe777446ab9a45281992855..cff821aafcd8481db65a543d736425bb89fb8b88 100644
--- a/src/node/ext/server_credentials.cc
+++ b/src/node/ext/server_credentials.cc
@@ -145,9 +145,13 @@ NAN_METHOD(ServerCredentials::CreateSsl) {
     return Nan::ThrowTypeError(
         "createSsl's second argument must be a list of objects");
   }
-  int force_client_auth = 0;
+
+  grpc_ssl_client_certificate_request_type client_certificate_request;
   if (info[2]->IsBoolean()) {
-    force_client_auth = (int)Nan::To<bool>(info[2]).FromJust();
+    client_certificate_request =
+        Nan::To<bool>(info[2]).FromJust()
+            ? GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY
+            : GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE;
   } else if (!(info[2]->IsUndefined() || info[2]->IsNull())) {
     return Nan::ThrowTypeError(
         "createSsl's third argument must be a boolean if provided");
@@ -180,8 +184,9 @@ NAN_METHOD(ServerCredentials::CreateSsl) {
     key_cert_pairs[i].private_key = ::node::Buffer::Data(maybe_key);
     key_cert_pairs[i].cert_chain = ::node::Buffer::Data(maybe_cert);
   }
-  grpc_server_credentials *creds = grpc_ssl_server_credentials_create(
-      root_certs, key_cert_pairs, key_cert_pair_count, force_client_auth, NULL);
+  grpc_server_credentials *creds = grpc_ssl_server_credentials_create_ex(
+      root_certs, key_cert_pairs, key_cert_pair_count,
+      client_certificate_request, NULL);
   delete key_cert_pairs;
   if (creds == NULL) {
     info.GetReturnValue().SetNull();
diff --git a/src/node/ext/timeval.cc b/src/node/ext/timeval.cc
index c8f8534cfa7fd6abadfe8f1459cd7f9cc7c43f68..9284db62ef6a32b8a26f8555d59b9ad891370716 100644
--- a/src/node/ext/timeval.cc
+++ b/src/node/ext/timeval.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/health_check/health.js b/src/node/health_check/health.js
index 6ab41571831b803f372fd7f32fd78a972d1ec2a3..523668308814fc9e37acb0d56569c3d6f4c60333 100644
--- a/src/node/health_check/health.js
+++ b/src/node/health_check/health.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/index.js b/src/node/index.js
index 1c197729d776fc352ffbc38b9ff85506bf5f4a13..d345a5142d5381d9092bc2fa21a569ec88da81d9 100644
--- a/src/node/index.js
+++ b/src/node/index.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -87,6 +87,10 @@ var loadObject = exports.loadObject;
  *   Buffers. Defaults to false
  * - longsAsStrings: deserialize long values as strings instead of objects.
  *   Defaults to true
+ * - deprecatedArgumentOrder: Use the beta method argument order for client
+ *   methods, with optional arguments after the callback. Defaults to false.
+ *   This option is only a temporary stopgap measure to smooth an API breakage.
+ *   It is deprecated, and new code should not use it.
  * @param {string|{root: string, file: string}} filename The file to load
  * @param {string=} format The file format to expect. Must be either 'proto' or
  *     'json'. Defaults to 'proto'
diff --git a/src/node/interop/async_delay_queue.js b/src/node/interop/async_delay_queue.js
index df57209637620d55e9362a58c196616bc3893ef8..5df1e00921d8436407c9fe94743a1266178321d0 100644
--- a/src/node/interop/async_delay_queue.js
+++ b/src/node/interop/async_delay_queue.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/interop/interop_client.js b/src/node/interop/interop_client.js
index 5602011a8e05407c87ebd04f3136f112434994cb..e8f2d37bd8b0e891ce36d1fc7b2b10dce9a66c85 100644
--- a/src/node/interop/interop_client.js
+++ b/src/node/interop/interop_client.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -286,7 +286,7 @@ function cancelAfterFirstResponse(client, done) {
 function timeoutOnSleepingServer(client, done) {
   var deadline = new Date();
   deadline.setMilliseconds(deadline.getMilliseconds() + 1);
-  var call = client.fullDuplexCall(null, {deadline: deadline});
+  var call = client.fullDuplexCall({deadline: deadline});
   call.write({
     payload: {body: zeroBuffer(27182)}
   });
@@ -316,10 +316,10 @@ function customMetadata(client, done) {
       body: zeroBuffer(271828)
     }
   };
-  var unary = client.unaryCall(arg, function(err, resp) {
+  var unary = client.unaryCall(arg, metadata, function(err, resp) {
     assert.ifError(err);
     done();
-  }, metadata);
+  });
   unary.on('metadata', function(metadata) {
     assert.deepEqual(metadata.get(ECHO_INITIAL_KEY),
                      ['test_initial_metadata_value']);
@@ -455,14 +455,14 @@ function perRpcAuthTest(client, done, extra) {
       credential = credential.createScoped(scope);
     }
     var creds = grpc.credentials.createFromGoogleCredential(credential);
-    client.unaryCall(arg, function(err, resp) {
+    client.unaryCall(arg, {credentials: creds}, function(err, resp) {
       assert.ifError(err);
       assert.strictEqual(resp.username, SERVICE_ACCOUNT_EMAIL);
       assert(extra.oauth_scope.indexOf(resp.oauth_scope) > -1);
       if (done) {
         done();
       }
-    }, null, {credentials: creds});
+    });
   });
 }
 
@@ -545,6 +545,8 @@ var test_cases = {
                   Client: testProto.TestService}
 };
 
+exports.test_cases = test_cases;
+
 /**
  * Execute a single test case.
  * @param {string} address The address of the server to connect to, in the
diff --git a/src/node/interop/interop_server.js b/src/node/interop/interop_server.js
index c09481712aa3d26559dedc79d7dd8b811d8ead0c..72807623054cff8df0bda0f1fce0f26106dde3ea 100644
--- a/src/node/interop/interop_server.js
+++ b/src/node/interop/interop_server.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/performance/benchmark_client.js b/src/node/performance/benchmark_client.js
index 620aecde97b22635ee057769c9c4f402b1a18def..262aa3386298600845ceef372bf949a62f696735 100644
--- a/src/node/performance/benchmark_client.js
+++ b/src/node/performance/benchmark_client.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -45,6 +45,9 @@ var EventEmitter = require('events');
 var _ = require('lodash');
 var PoissonProcess = require('poisson-process');
 var Histogram = require('./histogram');
+
+var genericService = require('./generic_service');
+
 var grpc = require('../../../');
 var serviceProto = grpc.load({
   root: __dirname + '/../../..',
@@ -104,10 +107,14 @@ function BenchmarkClient(server_targets, channels, histogram_params,
   }
 
   this.clients = [];
+  var GenericClient = grpc.makeGenericClientConstructor(genericService);
+  this.genericClients = [];
 
   for (var i = 0; i < channels; i++) {
     this.clients[i] = new serviceProto.BenchmarkService(
         server_targets[i % server_targets.length], creds, options);
+    this.genericClients[i] = new GenericClient(
+        server_targets[i % server_targets.length], creds, options);
   }
 
   this.histogram = new Histogram(histogram_params.resolution,
@@ -130,9 +137,11 @@ util.inherits(BenchmarkClient, EventEmitter);
  *     'STREAMING'
  * @param {number} req_size The size of the payload to send with each request
  * @param {number} resp_size The size of payload to request be sent in responses
+ * @param {boolean} generic Indicates that the generic (non-proto) clients
+ *     should be used
  */
 BenchmarkClient.prototype.startClosedLoop = function(
-    outstanding_rpcs_per_channel, rpc_type, req_size, resp_size) {
+    outstanding_rpcs_per_channel, rpc_type, req_size, resp_size, generic) {
   var self = this;
 
   self.running = true;
@@ -141,12 +150,20 @@ BenchmarkClient.prototype.startClosedLoop = function(
 
   var makeCall;
 
-  var argument = {
-    response_size: resp_size,
-    payload: {
-      body: zeroBuffer(req_size)
-    }
-  };
+  var argument;
+  var client_list;
+  if (generic) {
+    argument = zeroBuffer(req_size);
+    client_list = self.genericClients;
+  } else {
+    argument = {
+      response_size: resp_size,
+      payload: {
+        body: zeroBuffer(req_size)
+      }
+    };
+    client_list = self.clients;
+  }
 
   if (rpc_type == 'UNARY') {
     makeCall = function(client) {
@@ -195,7 +212,7 @@ BenchmarkClient.prototype.startClosedLoop = function(
     };
   }
 
-  _.each(self.clients, function(client) {
+  _.each(client_list, function(client) {
     _.times(outstanding_rpcs_per_channel, function() {
       makeCall(client);
     });
@@ -213,9 +230,12 @@ BenchmarkClient.prototype.startClosedLoop = function(
  * @param {number} req_size The size of the payload to send with each request
  * @param {number} resp_size The size of payload to request be sent in responses
  * @param {number} offered_load The load parameter for the Poisson process
+ * @param {boolean} generic Indicates that the generic (non-proto) clients
+ *     should be used
  */
 BenchmarkClient.prototype.startPoisson = function(
-    outstanding_rpcs_per_channel, rpc_type, req_size, resp_size, offered_load) {
+    outstanding_rpcs_per_channel, rpc_type, req_size, resp_size, offered_load,
+    generic) {
   var self = this;
 
   self.running = true;
@@ -224,12 +244,20 @@ BenchmarkClient.prototype.startPoisson = function(
 
   var makeCall;
 
-  var argument = {
-    response_size: resp_size,
-    payload: {
-      body: zeroBuffer(req_size)
-    }
-  };
+  var argument;
+  var client_list;
+  if (generic) {
+    argument = zeroBuffer(req_size);
+    client_list = self.genericClients;
+  } else {
+    argument = {
+      response_size: resp_size,
+      payload: {
+        body: zeroBuffer(req_size)
+      }
+    };
+    client_list = self.clients;
+  }
 
   if (rpc_type == 'UNARY') {
     makeCall = function(client, poisson) {
@@ -282,7 +310,7 @@ BenchmarkClient.prototype.startPoisson = function(
 
   var averageIntervalMs = (1 / offered_load) * 1000;
 
-  _.each(self.clients, function(client) {
+  _.each(client_list, function(client) {
     _.times(outstanding_rpcs_per_channel, function() {
       var p = PoissonProcess.create(averageIntervalMs, function() {
         makeCall(client, p);
diff --git a/src/node/performance/benchmark_server.js b/src/node/performance/benchmark_server.js
index e48acd48f5d0faef1961fae0d00b9816a11e6a3c..70cee9979b1ca6aab99b71a622bf6e46ea2d8474 100644
--- a/src/node/performance/benchmark_server.js
+++ b/src/node/performance/benchmark_server.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,6 +41,8 @@
 var fs = require('fs');
 var path = require('path');
 
+var genericService = require('./generic_service');
+
 var grpc = require('../../../');
 var serviceProto = grpc.load({
   root: __dirname + '/../../..',
@@ -84,14 +86,28 @@ function streamingCall(call) {
   });
 }
 
+function makeStreamingGenericCall(response_size) {
+  var response = zeroBuffer(response_size);
+  return function streamingGenericCall(call) {
+    call.on('data', function(value) {
+      call.write(response);
+    });
+    call.on('end', function() {
+      call.end();
+    });
+  };
+}
+
 /**
  * BenchmarkServer class. Constructed based on parameters from the driver and
  * stores statistics.
  * @param {string} host The host to serve on
  * @param {number} port The port to listen to
- * @param {tls} Indicates whether TLS should be used
+ * @param {boolean} tls Indicates whether TLS should be used
+ * @param {boolean} generic Indicates whether to use the generic service
+ * @param {number=} response_size The response size for the generic service
  */
-function BenchmarkServer(host, port, tls) {
+function BenchmarkServer(host, port, tls, generic, response_size) {
   var server_creds;
   var host_override;
   if (tls) {
@@ -109,10 +125,16 @@ function BenchmarkServer(host, port, tls) {
 
   var server = new grpc.Server();
   this.port = server.bind(host + ':' + port, server_creds);
-  server.addProtoService(serviceProto.BenchmarkService.service, {
-    unaryCall: unaryCall,
-    streamingCall: streamingCall
-  });
+  if (generic) {
+    server.addService(genericService, {
+      streamingCall: makeStreamingGenericCall(response_size)
+    });
+  } else {
+    server.addProtoService(serviceProto.BenchmarkService.service, {
+      unaryCall: unaryCall,
+      streamingCall: streamingCall
+    });
+  }
   this.server = server;
 }
 
diff --git a/src/node/performance/generic_service.js b/src/node/performance/generic_service.js
new file mode 100644
index 0000000000000000000000000000000000000000..ce09cc4336cd6ba23889ee20c4e5e7a5fc54d63f
--- /dev/null
+++ b/src/node/performance/generic_service.js
@@ -0,0 +1,46 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+var _ = require('lodash');
+
+module.exports = {
+  'streamingCall' : {
+    path: '/grpc.testing/BenchmarkService',
+    requestStream: true,
+    responseStream: true,
+    requestSerialize: _.identity,
+    requestDeserialize: _.identity,
+    responseSerialize: _.identity,
+    responseDeserialize: _.identity
+  }
+};
diff --git a/src/node/performance/worker.js b/src/node/performance/worker.js
index 7c8ab00026538ae03182a3ec03042036f876bf40..7ef9b84fe763ea4cec62bd11f31751f01fdfc762 100644
--- a/src/node/performance/worker.js
+++ b/src/node/performance/worker.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,6 +33,7 @@
 
 'use strict';
 
+var console = require('console');
 var worker_service_impl = require('./worker_service_impl');
 
 var grpc = require('../../../');
@@ -48,6 +49,7 @@ function runServer(port) {
   var address = '0.0.0.0:' + port;
   server.bind(address, server_creds);
   server.start();
+  console.log('running QPS worker on %s', address);
   return server;
 }
 
diff --git a/src/node/performance/worker_service_impl.js b/src/node/performance/worker_service_impl.js
index 14392498784050bda66945f72317b7380a6487a4..4b5cb8f9c21711a2e45e9425a7a60d94fdf232c1 100644
--- a/src/node/performance/worker_service_impl.js
+++ b/src/node/performance/worker_service_impl.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,6 +34,7 @@
 'use strict';
 
 var os = require('os');
+var console = require('console');
 var BenchmarkClient = require('./benchmark_client');
 var BenchmarkServer = require('./benchmark_server');
 
@@ -49,6 +50,7 @@ exports.runClient = function runClient(call) {
     switch (request.argtype) {
       case 'setup':
       var setup = request.setup;
+      console.log('ClientConfig %j', setup);
       client = new BenchmarkClient(setup.server_targets,
                                    setup.client_channels,
                                    setup.histogram_params,
@@ -56,18 +58,31 @@ exports.runClient = function runClient(call) {
       client.on('error', function(error) {
         call.emit('error', error);
       });
+      var req_size, resp_size, generic;
+      switch (setup.payload_config.payload) {
+        case 'bytebuf_params':
+        req_size = setup.payload_config.bytebuf_params.req_size;
+        resp_size = setup.payload_config.bytebuf_params.resp_size;
+        generic = true;
+        break;
+        case 'simple_params':
+        req_size = setup.payload_config.simple_params.req_size;
+        resp_size = setup.payload_config.simple_params.resp_size;
+        generic = false;
+        break;
+        default:
+        call.emit('error', new Error('Unsupported PayloadConfig type' +
+            setup.payload_config.payload));
+      }
       switch (setup.load_params.load) {
         case 'closed_loop':
         client.startClosedLoop(setup.outstanding_rpcs_per_channel,
-                               setup.rpc_type,
-                               setup.payload_config.simple_params.req_size,
-                               setup.payload_config.simple_params.resp_size);
+                               setup.rpc_type, req_size, resp_size, generic);
         break;
         case 'poisson':
         client.startPoisson(setup.outstanding_rpcs_per_channel,
-                            setup.rpc_type, setup.payload_config.req_size,
-                            setup.payload_config.resp_size,
-                            setup.load_params.poisson.offered_load);
+                            setup.rpc_type, req_size, resp_size,
+                            setup.load_params.poisson.offered_load, generic);
         break;
         default:
         call.emit('error', new Error('Unsupported LoadParams type' +
@@ -105,6 +120,7 @@ exports.runServer = function runServer(call) {
     var stats;
     switch (request.argtype) {
       case 'setup':
+      console.log('ServerConfig %j', request.setup);
       server = new BenchmarkServer('[::]', request.setup.port,
                                    request.setup.security_params);
       server.start();
diff --git a/src/node/src/client.js b/src/node/src/client.js
index 2459e283214a2e58ee415870692e2c41891c9a5a..5e07046fc61ad1c1bf909b26d18a963fd1ea1903 100644
--- a/src/node/src/client.js
+++ b/src/node/src/client.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -50,6 +50,7 @@
 'use strict';
 
 var _ = require('lodash');
+var arguejs = require('arguejs');
 
 var grpc = require('./grpc_extension');
 
@@ -353,21 +354,23 @@ function makeUnaryRequestFunction(method, serialize, deserialize) {
    * @this {Client} Client object. Must have a channel member.
    * @param {*} argument The argument to the call. Should be serializable with
    *     serialize
-   * @param {function(?Error, value=)} callback The callback to for when the
-   *     response is received
    * @param {Metadata=} metadata Metadata to add to the call
    * @param {Object=} options Options map
+   * @param {function(?Error, value=)} callback The callback to for when the
+   *     response is received
    * @return {EventEmitter} An event emitter for stream related events
    */
-  function makeUnaryRequest(argument, callback, metadata, options) {
+  function makeUnaryRequest(argument, metadata, options, callback) {
     /* jshint validthis: true */
+    /* While the arguments are listed in the function signature, those variables
+     * are not used directly. Instead, ArgueJS processes the arguments
+     * object. This allows for simple handling of optional arguments in the
+     * middle of the argument list, and also provides type checking. */
+    var args = arguejs({argument: null, metadata: [Metadata, new Metadata()],
+                        options: [Object], callback: Function}, arguments);
     var emitter = new EventEmitter();
-    var call = getCall(this.$channel, method, options);
-    if (metadata === null || metadata === undefined) {
-      metadata = new Metadata();
-    } else {
-      metadata = metadata.clone();
-    }
+    var call = getCall(this.$channel, method, args.options);
+    metadata = args.metadata.clone();
     emitter.cancel = function cancel() {
       call.cancel();
     };
@@ -375,9 +378,9 @@ function makeUnaryRequestFunction(method, serialize, deserialize) {
       return call.getPeer();
     };
     var client_batch = {};
-    var message = serialize(argument);
-    if (options) {
-      message.grpcWriteFlags = options.flags;
+    var message = serialize(args.argument);
+    if (args.options) {
+      message.grpcWriteFlags = args.options.flags;
     }
     client_batch[grpc.opType.SEND_INITIAL_METADATA] =
         metadata._getCoreRepresentation();
@@ -395,7 +398,7 @@ function makeUnaryRequestFunction(method, serialize, deserialize) {
       if (status.code === grpc.status.OK) {
         if (err) {
           // Got a batch error, but OK status. Something went wrong
-          callback(err);
+          args.callback(err);
           return;
         } else {
           try {
@@ -414,9 +417,9 @@ function makeUnaryRequestFunction(method, serialize, deserialize) {
         error = new Error(status.details);
         error.code = status.code;
         error.metadata = status.metadata;
-        callback(error);
+        args.callback(error);
       } else {
-        callback(null, deserialized);
+        args.callback(null, deserialized);
       }
       emitter.emit('status', status);
       emitter.emit('metadata', Metadata._fromCoreRepresentation(
@@ -440,21 +443,23 @@ function makeClientStreamRequestFunction(method, serialize, deserialize) {
    * Make a client stream request with this method on the given channel with the
    * given callback, etc.
    * @this {Client} Client object. Must have a channel member.
-   * @param {function(?Error, value=)} callback The callback to for when the
-   *     response is received
    * @param {Metadata=} metadata Array of metadata key/value pairs to add to the
    *     call
    * @param {Object=} options Options map
+   * @param {function(?Error, value=)} callback The callback to for when the
+   *     response is received
    * @return {EventEmitter} An event emitter for stream related events
    */
-  function makeClientStreamRequest(callback, metadata, options) {
+  function makeClientStreamRequest(metadata, options, callback) {
     /* jshint validthis: true */
-    var call = getCall(this.$channel, method, options);
-    if (metadata === null || metadata === undefined) {
-      metadata = new Metadata();
-    } else {
-      metadata = metadata.clone();
-    }
+    /* While the arguments are listed in the function signature, those variables
+     * are not used directly. Instead, ArgueJS processes the arguments
+     * object. This allows for simple handling of optional arguments in the
+     * middle of the argument list, and also provides type checking. */
+    var args = arguejs({metadata: [Metadata, new Metadata()],
+                        options: [Object], callback: Function}, arguments);
+    var call = getCall(this.$channel, method, args.options);
+    metadata = args.metadata.clone();
     var stream = new ClientWritableStream(call, serialize);
     var metadata_batch = {};
     metadata_batch[grpc.opType.SEND_INITIAL_METADATA] =
@@ -481,7 +486,7 @@ function makeClientStreamRequestFunction(method, serialize, deserialize) {
       if (status.code === grpc.status.OK) {
         if (err) {
           // Got a batch error, but OK status. Something went wrong
-          callback(err);
+          args.callback(err);
           return;
         } else {
           try {
@@ -500,9 +505,9 @@ function makeClientStreamRequestFunction(method, serialize, deserialize) {
         error = new Error(response.status.details);
         error.code = status.code;
         error.metadata = status.metadata;
-        callback(error);
+        args.callback(error);
       } else {
-        callback(null, deserialized);
+        args.callback(null, deserialized);
       }
       stream.emit('status', status);
     });
@@ -533,17 +538,18 @@ function makeServerStreamRequestFunction(method, serialize, deserialize) {
    */
   function makeServerStreamRequest(argument, metadata, options) {
     /* jshint validthis: true */
-    var call = getCall(this.$channel, method, options);
-    if (metadata === null || metadata === undefined) {
-      metadata = new Metadata();
-    } else {
-      metadata = metadata.clone();
-    }
+    /* While the arguments are listed in the function signature, those variables
+     * are not used directly. Instead, ArgueJS processes the arguments
+     * object. */
+    var args = arguejs({argument: null, metadata: [Metadata, new Metadata()],
+                        options: [Object]}, arguments);
+    var call = getCall(this.$channel, method, args.options);
+    metadata = args.metadata.clone();
     var stream = new ClientReadableStream(call, deserialize);
     var start_batch = {};
-    var message = serialize(argument);
-    if (options) {
-      message.grpcWriteFlags = options.flags;
+    var message = serialize(args.argument);
+    if (args.options) {
+      message.grpcWriteFlags = args.options.flags;
     }
     start_batch[grpc.opType.SEND_INITIAL_METADATA] =
         metadata._getCoreRepresentation();
@@ -595,12 +601,13 @@ function makeBidiStreamRequestFunction(method, serialize, deserialize) {
    */
   function makeBidiStreamRequest(metadata, options) {
     /* jshint validthis: true */
-    var call = getCall(this.$channel, method, options);
-    if (metadata === null || metadata === undefined) {
-      metadata = new Metadata();
-    } else {
-      metadata = metadata.clone();
-    }
+    /* While the arguments are listed in the function signature, those variables
+     * are not used directly. Instead, ArgueJS processes the arguments
+     * object. */
+    var args = arguejs({metadata: [Metadata, new Metadata()],
+                        options: [Object]}, arguments);
+    var call = getCall(this.$channel, method, args.options);
+    metadata = args.metadata.clone();
     var stream = new ClientDuplexStream(call, serialize, deserialize);
     var start_batch = {};
     start_batch[grpc.opType.SEND_INITIAL_METADATA] =
@@ -643,6 +650,40 @@ var requester_makers = {
   bidi: makeBidiStreamRequestFunction
 };
 
+function getDefaultValues(metadata, options) {
+  var res = {};
+  res.metadata = metadata || new Metadata();
+  res.options = options || {};
+  return res;
+}
+
+/**
+ * Map with wrappers for each type of requester function to make it use the old
+ * argument order with optional arguments after the callback.
+ */
+var deprecated_request_wrap = {
+  unary: function(makeUnaryRequest) {
+    return function makeWrappedUnaryRequest(argument, callback,
+                                            metadata, options) {
+      /* jshint validthis: true */
+      var opt_args = getDefaultValues(metadata, metadata);
+      return makeUnaryRequest.call(this, argument, opt_args.metadata,
+                                   opt_args.options, callback);
+    };
+  },
+  client_stream: function(makeServerStreamRequest) {
+    return function makeWrappedClientStreamRequest(callback, metadata,
+                                                   options) {
+      /* jshint validthis: true */
+      var opt_args = getDefaultValues(metadata, options);
+      return makeServerStreamRequest.call(this, opt_args.metadata,
+                                          opt_args.options, callback);
+    };
+  },
+  server_stream: _.identity,
+  bidi: _.identity
+};
+
 /**
  * Creates a constructor for a client with the given methods. The methods object
  * maps method name to an object with the following keys:
@@ -654,9 +695,19 @@ var requester_makers = {
  * responseDeserialize: function to deserialize response objects
  * @param {Object} methods An object mapping method names to method attributes
  * @param {string} serviceName The fully qualified name of the service
+ * @param {Object} class_options An options object. Currently only uses the key
+ *     deprecatedArgumentOrder, a boolean that Indicates that the old argument
+ *     order should be used for methods, with optional arguments at the end
+ *     instead of the callback at the end. Defaults to false. This option is
+ *     only a temporary stopgap measure to smooth an API breakage.
+ *     It is deprecated, and new code should not use it.
  * @return {function(string, Object)} New client constructor
  */
-exports.makeClientConstructor = function(methods, serviceName) {
+exports.makeClientConstructor = function(methods, serviceName,
+                                         class_options) {
+  if (!class_options) {
+    class_options = {};
+  }
   /**
    * Create a client with the given methods
    * @constructor
@@ -703,8 +754,13 @@ exports.makeClientConstructor = function(methods, serviceName) {
     }
     var serialize = attrs.requestSerialize;
     var deserialize = attrs.responseDeserialize;
-    Client.prototype[name] = requester_makers[method_type](
+    var method_func = requester_makers[method_type](
         attrs.path, serialize, deserialize);
+    if (class_options.deprecatedArgumentOrder) {
+      Client.prototype[name] = deprecated_request_wrap(method_func);
+    } else {
+      Client.prototype[name] = method_func;
+    }
     // Associate all provided attributes with the method
     _.assign(Client.prototype[name], attrs);
   });
@@ -761,8 +817,13 @@ exports.waitForClientReady = function(client, deadline, callback) {
 exports.makeProtobufClientConstructor =  function(service, options) {
   var method_attrs = common.getProtobufServiceAttrs(service, service.name,
                                                     options);
+  var deprecatedArgumentOrder = false;
+  if (options) {
+    deprecatedArgumentOrder = options.deprecatedArgumentOrder;
+  }
   var Client = exports.makeClientConstructor(
-      method_attrs, common.fullyQualifiedName(service));
+      method_attrs, common.fullyQualifiedName(service),
+      deprecatedArgumentOrder);
   Client.service = service;
   Client.service.grpc_options = options;
   return Client;
diff --git a/src/node/src/common.js b/src/node/src/common.js
index 7705a275fcee23169cc5f5c875d08202e9046813..8cf43b7a84cc85be1509512d669728d1649e7cdc 100644
--- a/src/node/src/common.js
+++ b/src/node/src/common.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/src/credentials.js b/src/node/src/credentials.js
index 1d73723cc064501d38fb97ad9cf21710779fce34..a12eade4e1f518f10b72cf6506ce52c3110f8c5b 100644
--- a/src/node/src/credentials.js
+++ b/src/node/src/credentials.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -118,7 +118,6 @@ exports.createFromMetadataGenerator = function(metadata_generator) {
 exports.createFromGoogleCredential = function(google_credential) {
   return exports.createFromMetadataGenerator(function(auth_context, callback) {
     var service_url = auth_context.service_url;
-    console.log('Service URL:', service_url);
     google_credential.getRequestMetadata(service_url, function(err, header) {
       if (err) {
         console.log('Auth error:', err);
@@ -127,7 +126,6 @@ exports.createFromGoogleCredential = function(google_credential) {
       }
       var metadata = new Metadata();
       metadata.add('authorization', header.Authorization);
-      console.log(header.Authorization);
       callback(null, metadata);
     });
   });
diff --git a/src/node/src/metadata.js b/src/node/src/metadata.js
index 33d7ea1cf7a82a3dcabbed68187ab5c8292e3f62..612361b0eaf52bc82fdcdc48347824b6cddd9464 100644
--- a/src/node/src/metadata.js
+++ b/src/node/src/metadata.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/src/server.js b/src/node/src/server.js
index 0cf7ba34246564ac529e866ba97bea9006c4dc66..22128343a9d6e74c44c14de42653a6d6baeee8e2 100644
--- a/src/node/src/server.js
+++ b/src/node/src/server.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -339,7 +339,7 @@ function _read(size) {
     try {
       deserialized = self.deserialize(data);
     } catch (e) {
-      e.code = grpc.status.INVALID_ARGUMENT;
+      e.code = grpc.status.INTERNAL;
       self.emit('error', e);
       return;
     }
@@ -475,7 +475,7 @@ function handleUnary(call, handler, metadata) {
     try {
       emitter.request = handler.deserialize(result.read);
     } catch (e) {
-      e.code = grpc.status.INVALID_ARGUMENT;
+      e.code = grpc.status.INTERNAL;
       handleError(call, e);
       return;
     }
@@ -516,7 +516,7 @@ function handleServerStreaming(call, handler, metadata) {
     try {
       stream.request = handler.deserialize(result.read);
     } catch (e) {
-      e.code = grpc.status.INVALID_ARGUMENT;
+      e.code = grpc.status.INTERNAL;
       stream.emit('error', e);
       return;
     }
diff --git a/src/node/stress/metrics_client.js b/src/node/stress/metrics_client.js
new file mode 100644
index 0000000000000000000000000000000000000000..dc8ef5e711dc4ff01ceff1f62c3393ef4a0dc7ae
--- /dev/null
+++ b/src/node/stress/metrics_client.js
@@ -0,0 +1,61 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+'use strict';
+
+var grpc = require('../../..');
+
+var proto = grpc.load(__dirname + '/../../proto/grpc/testing/metrics.proto');
+var metrics = proto.grpc.testing;
+
+function main() {
+  var parseArgs = require('minimist');
+  var argv = parseArgs(process.argv, {
+    string: 'metrics_server_address',
+    boolean: 'total_only'
+  });
+  var client = new metrics.MetricsService(argv.metrics_server_address,
+                                          grpc.credentials.createInsecure());
+  if (argv.total_only) {
+    client.getGauge({name: 'qps'}, function(err, data) {
+      console.log(data.name + ':', data.long_value);
+    });
+  } else {
+    var call = client.getAllGauges({});
+    call.on('data', function(data) {
+      console.log(data.name + ':', data.long_value);
+    });
+  }
+}
+
+main();
diff --git a/src/node/stress/metrics_server.js b/src/node/stress/metrics_server.js
new file mode 100644
index 0000000000000000000000000000000000000000..3ab4b4c82d3e69bfba15e5b10a1700c779bf8fa5
--- /dev/null
+++ b/src/node/stress/metrics_server.js
@@ -0,0 +1,87 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+'use strict';
+
+var _ = require('lodash');
+
+var grpc = require('../../..');
+
+var proto = grpc.load(__dirname + '/../../proto/grpc/testing/metrics.proto');
+var metrics = proto.grpc.testing;
+
+function getGauge(call, callback) {
+  /* jshint validthis: true */
+  // Should be bound to a MetricsServer object
+  var name = call.request.name;
+  if (this.gauges.hasOwnProperty(name)) {
+    callback(null, _.assign({name: name}, this.gauges[name]()));
+  } else {
+    callback({code: grpc.status.NOT_FOUND,
+              details: 'No such gauge: ' + name});
+  }
+}
+
+function getAllGauges(call) {
+  /* jshint validthis: true */
+  // Should be bound to a MetricsServer object
+  _.each(this.gauges, function(getter, name) {
+    call.write(_.assign({name: name}, getter()));
+  });
+  call.end();
+}
+
+function MetricsServer(port) {
+  var server = new grpc.Server();
+  server.addProtoService(metrics.MetricsService.service, {
+    getGauge: _.bind(getGauge, this),
+    getAllGauges: _.bind(getAllGauges, this)
+  });
+  server.bind('localhost:' + port, grpc.ServerCredentials.createInsecure());
+  this.server = server;
+  this.gauges = {};
+}
+
+MetricsServer.prototype.start = function() {
+  this.server.start();
+}
+
+MetricsServer.prototype.registerGauge = function(name, getter) {
+  this.gauges[name] = getter;
+};
+
+MetricsServer.prototype.shutdown = function() {
+  this.server.forceShutdown();
+};
+
+module.exports = MetricsServer;
diff --git a/src/node/stress/stress_client.js b/src/node/stress/stress_client.js
new file mode 100644
index 0000000000000000000000000000000000000000..6054d3a2530c8162863286962e07307b75b39d54
--- /dev/null
+++ b/src/node/stress/stress_client.js
@@ -0,0 +1,126 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+'use strict';
+
+var _ = require('lodash');
+
+var grpc = require('../../..');
+
+var interop_client = require('../interop/interop_client');
+var MetricsServer = require('./metrics_server');
+
+var running;
+
+var metrics_server;
+
+var start_time;
+var query_count;
+
+function makeCall(client, test_cases) {
+  if (!running) {
+    return;
+  }
+  var test_case = test_cases[_.random(test_cases.length - 1)];
+  interop_client.test_cases[test_case].run(client, function() {
+    query_count += 1;
+    makeCall(client, test_cases);
+  });
+}
+
+function makeCalls(client, test_cases, parallel_calls_per_channel) {
+  _.times(parallel_calls_per_channel, function() {
+    makeCall(client, test_cases);
+  });
+}
+
+function getQps() {
+  var diff = process.hrtime(start_time);
+  var seconds = diff[0] + diff[1] / 1e9;
+  return {long_value: query_count / seconds};
+}
+
+function start(server_addresses, test_cases, channels_per_server,
+               parallel_calls_per_channel, metrics_port) {
+  running = true;
+  /* Assuming that we are not calling unimplemented_method. The client class
+   * used by empty_unary is (currently) the client class used by every interop
+   * test except unimplemented_method */
+  var Client = interop_client.test_cases.empty_unary.Client;
+  /* Make channels_per_server clients connecting to each server address */
+  var channels = _.flatten(_.times(
+      channels_per_server, _.partial(_.map, server_addresses, function(address) {
+        return new Client(address, grpc.credentials.createInsecure());
+      })));
+  metrics_server = new MetricsServer(metrics_port);
+  metrics_server.registerGauge('qps', getQps);
+  start_time = process.hrtime();
+  query_count = 0;
+  _.each(channels, _.partial(makeCalls, _, test_cases,
+                             parallel_calls_per_channel));
+  metrics_server.start();
+}
+
+function stop() {
+  running = false;
+  metrics_server.shutdown();
+  console.log('QPS: ' + getQps().long_value);
+}
+
+function main() {
+  var parseArgs = require('minimist');
+  var argv = parseArgs(process.argv, {
+    string: ['server_addresses', 'test_cases', 'metrics_port'],
+    default: {'server_addresses': 'localhost:8080',
+              'test_duration_secs': -1,
+              'num_channels_per_server': 1,
+              'num_stubs_per_channel': 1,
+              'metrics_port': '8081'}
+  });
+  var server_addresses = argv.server_addresses.split(',');
+  /* Generate an array of test cases, where the number of instances of each name
+   * corresponds to the number given in the argument.
+   * e.g. 'empty_unary:1,large_unary:2' =>
+   * ['empty_unary', 'large_unary', 'large_unary'] */
+  var test_cases = _.flatten(_.map(argv.test_cases.split(','), function(value) {
+    var split = value.split(':');
+    return _.times(split[1], _.constant(split[0]));
+  }));
+  start(server_addresses, test_cases, argv.num_channels_per_server,
+        argv.num_stubs_per_channel, argv.metrics_port);
+  if (argv.test_duration_secs > -1) {
+    setTimeout(stop, argv.test_duration_secs * 1000);
+  }
+}
+
+main();
diff --git a/src/node/test/call_test.js b/src/node/test/call_test.js
index 2300096d03e272910c0279ce3aca826af0288709..eb268603ead8a899fe10334292c13aff6e98eca6 100644
--- a/src/node/test/call_test.js
+++ b/src/node/test/call_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/test/channel_test.js b/src/node/test/channel_test.js
index c0ae2b769a0ea99d3128aed3c011ea644219b398..0cdb6336593890efa2bf06f022dcdb9a1a4ef15e 100644
--- a/src/node/test/channel_test.js
+++ b/src/node/test/channel_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/test/common_test.js b/src/node/test/common_test.js
index 66a4205f82c79e79cd1dd3682c50a035c14f268c..c57b7388f67f5e7fde9e3d4a0055addb8f4b2ad5 100644
--- a/src/node/test/common_test.js
+++ b/src/node/test/common_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/test/constant_test.js b/src/node/test/constant_test.js
index 712c70706d95b962635bc99086fdd00882c608db..414b1ac9c019e5fa7c7604c478dddd21acc5bda8 100644
--- a/src/node/test/constant_test.js
+++ b/src/node/test/constant_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/test/credentials_test.js b/src/node/test/credentials_test.js
index 294600c85a93b66ca3da31614ccb5366a55cd2c5..794215b246cd5d540d360391352bafbece71a7b8 100644
--- a/src/node/test/credentials_test.js
+++ b/src/node/test/credentials_test.js
@@ -398,18 +398,20 @@ describe('client credentials', function() {
           metadataUpdater);
     });
     it('Should update metadata on a unary call', function(done) {
-      var call = client.unary({}, function(err, data) {
-        assert.ifError(err);
-      }, null, {credentials: updater_creds});
+      var call = client.unary({}, {credentials: updater_creds},
+                              function(err, data) {
+                                assert.ifError(err);
+                              });
       call.on('metadata', function(metadata) {
         assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
         done();
       });
     });
     it('should update metadata on a client streaming call', function(done) {
-      var call = client.clientStream(function(err, data) {
-        assert.ifError(err);
-      }, null, {credentials: updater_creds});
+      var call = client.clientStream({credentials: updater_creds},
+                                     function(err, data) {
+                                       assert.ifError(err);
+                                     });
       call.on('metadata', function(metadata) {
         assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
         done();
@@ -417,7 +419,7 @@ describe('client credentials', function() {
       call.end();
     });
     it('should update metadata on a server streaming call', function(done) {
-      var call = client.serverStream({}, null, {credentials: updater_creds});
+      var call = client.serverStream({}, {credentials: updater_creds});
       call.on('data', function() {});
       call.on('metadata', function(metadata) {
         assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
@@ -425,7 +427,7 @@ describe('client credentials', function() {
       });
     });
     it('should update metadata on a bidi streaming call', function(done) {
-      var call = client.bidiStream(null, {credentials: updater_creds});
+      var call = client.bidiStream({credentials: updater_creds});
       call.on('data', function() {});
       call.on('metadata', function(metadata) {
         assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
@@ -443,9 +445,10 @@ describe('client credentials', function() {
           altMetadataUpdater);
       var combined_updater = grpc.credentials.combineCallCredentials(
           updater_creds, alt_updater_creds);
-      var call = client.unary({}, function(err, data) {
-        assert.ifError(err);
-      }, null, {credentials: combined_updater});
+      var call = client.unary({}, {credentials: combined_updater},
+                              function(err, data) {
+                                assert.ifError(err);
+                              });
       call.on('metadata', function(metadata) {
         assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
         assert.deepEqual(metadata.get('other_plugin_key'),
diff --git a/src/node/test/echo_service.proto b/src/node/test/echo_service.proto
index 11b4f18c35d3cf937ad9a482475f7f03e7736d29..fc941a290442160c10c7b9f2b0ae4afe30cc1eff 100644
--- a/src/node/test/echo_service.proto
+++ b/src/node/test/echo_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/node/test/end_to_end_test.js b/src/node/test/end_to_end_test.js
index 353c6c761de3564c4e7a80c4cdc2e0e504dcae22..f127a41de9ffc38ae43ba439f2862b40bc0e4b9f 100644
--- a/src/node/test/end_to_end_test.js
+++ b/src/node/test/end_to_end_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/test/math/math_grpc_pb.js b/src/node/test/math/math_grpc_pb.js
new file mode 100644
index 0000000000000000000000000000000000000000..083ed669137e436ad9d994f5107ba22d7400653e
--- /dev/null
+++ b/src/node/test/math/math_grpc_pb.js
@@ -0,0 +1,99 @@
+// GENERATED CODE -- DO NOT EDIT!
+
+'use strict';
+var grpc = require('grpc');
+var math_pb = require('./math_pb.js');
+
+function serialize_DivArgs(arg) {
+  if (!(arg instanceof math_pb.DivArgs)) {
+    throw new Error('Expected argument of type DivArgs');
+  }
+  return new Buffer(arg.serializeBinary());
+}
+
+function deserialize_DivArgs(buffer_arg) {
+  return math_pb.DivArgs.deserializeBinary(new Uint8Array(buffer_arg));
+}
+
+function serialize_DivReply(arg) {
+  if (!(arg instanceof math_pb.DivReply)) {
+    throw new Error('Expected argument of type DivReply');
+  }
+  return new Buffer(arg.serializeBinary());
+}
+
+function deserialize_DivReply(buffer_arg) {
+  return math_pb.DivReply.deserializeBinary(new Uint8Array(buffer_arg));
+}
+
+function serialize_FibArgs(arg) {
+  if (!(arg instanceof math_pb.FibArgs)) {
+    throw new Error('Expected argument of type FibArgs');
+  }
+  return new Buffer(arg.serializeBinary());
+}
+
+function deserialize_FibArgs(buffer_arg) {
+  return math_pb.FibArgs.deserializeBinary(new Uint8Array(buffer_arg));
+}
+
+function serialize_Num(arg) {
+  if (!(arg instanceof math_pb.Num)) {
+    throw new Error('Expected argument of type Num');
+  }
+  return new Buffer(arg.serializeBinary());
+}
+
+function deserialize_Num(buffer_arg) {
+  return math_pb.Num.deserializeBinary(new Uint8Array(buffer_arg));
+}
+
+
+var MathService = exports.MathService = {
+  div: {
+    path: '/math.Math/Div',
+    requestStream: false,
+    responseStream: false,
+    requestType: math_pb.DivArgs,
+    responseType: math_pb.DivReply,
+    requestSerialize: serialize_DivArgs,
+    requestDeserialize: deserialize_DivArgs,
+    responseSerialize: serialize_DivReply,
+    responseDeserialize: deserialize_DivReply,
+  },
+  divMany: {
+    path: '/math.Math/DivMany',
+    requestStream: true,
+    responseStream: true,
+    requestType: math_pb.DivArgs,
+    responseType: math_pb.DivReply,
+    requestSerialize: serialize_DivArgs,
+    requestDeserialize: deserialize_DivArgs,
+    responseSerialize: serialize_DivReply,
+    responseDeserialize: deserialize_DivReply,
+  },
+  fib: {
+    path: '/math.Math/Fib',
+    requestStream: false,
+    responseStream: true,
+    requestType: math_pb.FibArgs,
+    responseType: math_pb.Num,
+    requestSerialize: serialize_FibArgs,
+    requestDeserialize: deserialize_FibArgs,
+    responseSerialize: serialize_Num,
+    responseDeserialize: deserialize_Num,
+  },
+  sum: {
+    path: '/math.Math/Sum',
+    requestStream: true,
+    responseStream: false,
+    requestType: math_pb.Num,
+    responseType: math_pb.Num,
+    requestSerialize: serialize_Num,
+    requestDeserialize: deserialize_Num,
+    responseSerialize: serialize_Num,
+    responseDeserialize: deserialize_Num,
+  },
+};
+
+exports.MathClient = grpc.makeGenericClientConstructor(MathService);
diff --git a/src/node/test/math/math_pb.js b/src/node/test/math/math_pb.js
new file mode 100644
index 0000000000000000000000000000000000000000..3489143bec5f0324af61162fc2e5e3a2d8909c72
--- /dev/null
+++ b/src/node/test/math/math_pb.js
@@ -0,0 +1,866 @@
+/**
+ * @fileoverview
+ * @enhanceable
+ * @public
+ */
+// GENERATED CODE -- DO NOT EDIT!
+
+var jspb = require('google-protobuf');
+var goog = jspb;
+var global = Function('return this')();
+
+goog.exportSymbol('proto.math.DivArgs', null, global);
+goog.exportSymbol('proto.math.DivReply', null, global);
+goog.exportSymbol('proto.math.FibArgs', null, global);
+goog.exportSymbol('proto.math.FibReply', null, global);
+goog.exportSymbol('proto.math.Num', null, global);
+
+/**
+ * Generated by JsPbCodeGenerator.
+ * @param {Array=} opt_data Optional initial data array, typically from a
+ * server response, or constructed directly in Javascript. The array is used
+ * in place and becomes part of the constructed object. It is not cloned.
+ * If no data is provided, the constructed object will be empty, but still
+ * valid.
+ * @extends {jspb.Message}
+ * @constructor
+ */
+proto.math.DivArgs = function(opt_data) {
+  jspb.Message.initialize(this, opt_data, 0, -1, null, null);
+};
+goog.inherits(proto.math.DivArgs, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+  proto.math.DivArgs.displayName = 'proto.math.DivArgs';
+}
+
+
+if (jspb.Message.GENERATE_TO_OBJECT) {
+/**
+ * Creates an object representation of this proto suitable for use in Soy templates.
+ * Field names that are reserved in JavaScript and will be renamed to pb_name.
+ * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.
+ * For the list of reserved names please see:
+ *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.
+ * @param {boolean=} opt_includeInstance Whether to include the JSPB instance
+ *     for transitional soy proto support: http://goto/soy-param-migration
+ * @return {!Object}
+ */
+proto.math.DivArgs.prototype.toObject = function(opt_includeInstance) {
+  return proto.math.DivArgs.toObject(opt_includeInstance, this);
+};
+
+
+/**
+ * Static version of the {@see toObject} method.
+ * @param {boolean|undefined} includeInstance Whether to include the JSPB
+ *     instance for transitional soy proto support:
+ *     http://goto/soy-param-migration
+ * @param {!proto.math.DivArgs} msg The msg instance to transform.
+ * @return {!Object}
+ */
+proto.math.DivArgs.toObject = function(includeInstance, msg) {
+  var f, obj = {
+    dividend: msg.getDividend(),
+    divisor: msg.getDivisor()
+  };
+
+  if (includeInstance) {
+    obj.$jspbMessageInstance = msg
+  }
+  return obj;
+};
+}
+
+
+/**
+ * Deserializes binary data (in protobuf wire format).
+ * @param {jspb.ByteSource} bytes The bytes to deserialize.
+ * @return {!proto.math.DivArgs}
+ */
+proto.math.DivArgs.deserializeBinary = function(bytes) {
+  var reader = new jspb.BinaryReader(bytes);
+  var msg = new proto.math.DivArgs;
+  return proto.math.DivArgs.deserializeBinaryFromReader(msg, reader);
+};
+
+
+/**
+ * Deserializes binary data (in protobuf wire format) from the
+ * given reader into the given message object.
+ * @param {!proto.math.DivArgs} msg The message object to deserialize into.
+ * @param {!jspb.BinaryReader} reader The BinaryReader to use.
+ * @return {!proto.math.DivArgs}
+ */
+proto.math.DivArgs.deserializeBinaryFromReader = function(msg, reader) {
+  while (reader.nextField()) {
+    if (reader.isEndGroup()) {
+      break;
+    }
+    var field = reader.getFieldNumber();
+    switch (field) {
+    case 1:
+      var value = /** @type {number} */ (reader.readInt64());
+      msg.setDividend(value);
+      break;
+    case 2:
+      var value = /** @type {number} */ (reader.readInt64());
+      msg.setDivisor(value);
+      break;
+    default:
+      reader.skipField();
+      break;
+    }
+  }
+  return msg;
+};
+
+
+/**
+ * Class method variant: serializes the given message to binary data
+ * (in protobuf wire format), writing to the given BinaryWriter.
+ * @param {!proto.math.DivArgs} message
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.math.DivArgs.serializeBinaryToWriter = function(message, writer) {
+  message.serializeBinaryToWriter(writer);
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format).
+ * @return {!Uint8Array}
+ */
+proto.math.DivArgs.prototype.serializeBinary = function() {
+  var writer = new jspb.BinaryWriter();
+  this.serializeBinaryToWriter(writer);
+  return writer.getResultBuffer();
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format),
+ * writing to the given BinaryWriter.
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.math.DivArgs.prototype.serializeBinaryToWriter = function (writer) {
+  var f = undefined;
+  f = this.getDividend();
+  if (f !== 0) {
+    writer.writeInt64(
+      1,
+      f
+    );
+  }
+  f = this.getDivisor();
+  if (f !== 0) {
+    writer.writeInt64(
+      2,
+      f
+    );
+  }
+};
+
+
+/**
+ * Creates a deep clone of this proto. No data is shared with the original.
+ * @return {!proto.math.DivArgs} The clone.
+ */
+proto.math.DivArgs.prototype.cloneMessage = function() {
+  return /** @type {!proto.math.DivArgs} */ (jspb.Message.cloneMessage(this));
+};
+
+
+/**
+ * optional int64 dividend = 1;
+ * @return {number}
+ */
+proto.math.DivArgs.prototype.getDividend = function() {
+  return /** @type {number} */ (jspb.Message.getFieldProto3(this, 1, 0));
+};
+
+
+/** @param {number} value  */
+proto.math.DivArgs.prototype.setDividend = function(value) {
+  jspb.Message.setField(this, 1, value);
+};
+
+
+/**
+ * optional int64 divisor = 2;
+ * @return {number}
+ */
+proto.math.DivArgs.prototype.getDivisor = function() {
+  return /** @type {number} */ (jspb.Message.getFieldProto3(this, 2, 0));
+};
+
+
+/** @param {number} value  */
+proto.math.DivArgs.prototype.setDivisor = function(value) {
+  jspb.Message.setField(this, 2, value);
+};
+
+
+
+/**
+ * Generated by JsPbCodeGenerator.
+ * @param {Array=} opt_data Optional initial data array, typically from a
+ * server response, or constructed directly in Javascript. The array is used
+ * in place and becomes part of the constructed object. It is not cloned.
+ * If no data is provided, the constructed object will be empty, but still
+ * valid.
+ * @extends {jspb.Message}
+ * @constructor
+ */
+proto.math.DivReply = function(opt_data) {
+  jspb.Message.initialize(this, opt_data, 0, -1, null, null);
+};
+goog.inherits(proto.math.DivReply, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+  proto.math.DivReply.displayName = 'proto.math.DivReply';
+}
+
+
+if (jspb.Message.GENERATE_TO_OBJECT) {
+/**
+ * Creates an object representation of this proto suitable for use in Soy templates.
+ * Field names that are reserved in JavaScript and will be renamed to pb_name.
+ * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.
+ * For the list of reserved names please see:
+ *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.
+ * @param {boolean=} opt_includeInstance Whether to include the JSPB instance
+ *     for transitional soy proto support: http://goto/soy-param-migration
+ * @return {!Object}
+ */
+proto.math.DivReply.prototype.toObject = function(opt_includeInstance) {
+  return proto.math.DivReply.toObject(opt_includeInstance, this);
+};
+
+
+/**
+ * Static version of the {@see toObject} method.
+ * @param {boolean|undefined} includeInstance Whether to include the JSPB
+ *     instance for transitional soy proto support:
+ *     http://goto/soy-param-migration
+ * @param {!proto.math.DivReply} msg The msg instance to transform.
+ * @return {!Object}
+ */
+proto.math.DivReply.toObject = function(includeInstance, msg) {
+  var f, obj = {
+    quotient: msg.getQuotient(),
+    remainder: msg.getRemainder()
+  };
+
+  if (includeInstance) {
+    obj.$jspbMessageInstance = msg
+  }
+  return obj;
+};
+}
+
+
+/**
+ * Deserializes binary data (in protobuf wire format).
+ * @param {jspb.ByteSource} bytes The bytes to deserialize.
+ * @return {!proto.math.DivReply}
+ */
+proto.math.DivReply.deserializeBinary = function(bytes) {
+  var reader = new jspb.BinaryReader(bytes);
+  var msg = new proto.math.DivReply;
+  return proto.math.DivReply.deserializeBinaryFromReader(msg, reader);
+};
+
+
+/**
+ * Deserializes binary data (in protobuf wire format) from the
+ * given reader into the given message object.
+ * @param {!proto.math.DivReply} msg The message object to deserialize into.
+ * @param {!jspb.BinaryReader} reader The BinaryReader to use.
+ * @return {!proto.math.DivReply}
+ */
+proto.math.DivReply.deserializeBinaryFromReader = function(msg, reader) {
+  while (reader.nextField()) {
+    if (reader.isEndGroup()) {
+      break;
+    }
+    var field = reader.getFieldNumber();
+    switch (field) {
+    case 1:
+      var value = /** @type {number} */ (reader.readInt64());
+      msg.setQuotient(value);
+      break;
+    case 2:
+      var value = /** @type {number} */ (reader.readInt64());
+      msg.setRemainder(value);
+      break;
+    default:
+      reader.skipField();
+      break;
+    }
+  }
+  return msg;
+};
+
+
+/**
+ * Class method variant: serializes the given message to binary data
+ * (in protobuf wire format), writing to the given BinaryWriter.
+ * @param {!proto.math.DivReply} message
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.math.DivReply.serializeBinaryToWriter = function(message, writer) {
+  message.serializeBinaryToWriter(writer);
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format).
+ * @return {!Uint8Array}
+ */
+proto.math.DivReply.prototype.serializeBinary = function() {
+  var writer = new jspb.BinaryWriter();
+  this.serializeBinaryToWriter(writer);
+  return writer.getResultBuffer();
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format),
+ * writing to the given BinaryWriter.
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.math.DivReply.prototype.serializeBinaryToWriter = function (writer) {
+  var f = undefined;
+  f = this.getQuotient();
+  if (f !== 0) {
+    writer.writeInt64(
+      1,
+      f
+    );
+  }
+  f = this.getRemainder();
+  if (f !== 0) {
+    writer.writeInt64(
+      2,
+      f
+    );
+  }
+};
+
+
+/**
+ * Creates a deep clone of this proto. No data is shared with the original.
+ * @return {!proto.math.DivReply} The clone.
+ */
+proto.math.DivReply.prototype.cloneMessage = function() {
+  return /** @type {!proto.math.DivReply} */ (jspb.Message.cloneMessage(this));
+};
+
+
+/**
+ * optional int64 quotient = 1;
+ * @return {number}
+ */
+proto.math.DivReply.prototype.getQuotient = function() {
+  return /** @type {number} */ (jspb.Message.getFieldProto3(this, 1, 0));
+};
+
+
+/** @param {number} value  */
+proto.math.DivReply.prototype.setQuotient = function(value) {
+  jspb.Message.setField(this, 1, value);
+};
+
+
+/**
+ * optional int64 remainder = 2;
+ * @return {number}
+ */
+proto.math.DivReply.prototype.getRemainder = function() {
+  return /** @type {number} */ (jspb.Message.getFieldProto3(this, 2, 0));
+};
+
+
+/** @param {number} value  */
+proto.math.DivReply.prototype.setRemainder = function(value) {
+  jspb.Message.setField(this, 2, value);
+};
+
+
+
+/**
+ * Generated by JsPbCodeGenerator.
+ * @param {Array=} opt_data Optional initial data array, typically from a
+ * server response, or constructed directly in Javascript. The array is used
+ * in place and becomes part of the constructed object. It is not cloned.
+ * If no data is provided, the constructed object will be empty, but still
+ * valid.
+ * @extends {jspb.Message}
+ * @constructor
+ */
+proto.math.FibArgs = function(opt_data) {
+  jspb.Message.initialize(this, opt_data, 0, -1, null, null);
+};
+goog.inherits(proto.math.FibArgs, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+  proto.math.FibArgs.displayName = 'proto.math.FibArgs';
+}
+
+
+if (jspb.Message.GENERATE_TO_OBJECT) {
+/**
+ * Creates an object representation of this proto suitable for use in Soy templates.
+ * Field names that are reserved in JavaScript and will be renamed to pb_name.
+ * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.
+ * For the list of reserved names please see:
+ *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.
+ * @param {boolean=} opt_includeInstance Whether to include the JSPB instance
+ *     for transitional soy proto support: http://goto/soy-param-migration
+ * @return {!Object}
+ */
+proto.math.FibArgs.prototype.toObject = function(opt_includeInstance) {
+  return proto.math.FibArgs.toObject(opt_includeInstance, this);
+};
+
+
+/**
+ * Static version of the {@see toObject} method.
+ * @param {boolean|undefined} includeInstance Whether to include the JSPB
+ *     instance for transitional soy proto support:
+ *     http://goto/soy-param-migration
+ * @param {!proto.math.FibArgs} msg The msg instance to transform.
+ * @return {!Object}
+ */
+proto.math.FibArgs.toObject = function(includeInstance, msg) {
+  var f, obj = {
+    limit: msg.getLimit()
+  };
+
+  if (includeInstance) {
+    obj.$jspbMessageInstance = msg
+  }
+  return obj;
+};
+}
+
+
+/**
+ * Deserializes binary data (in protobuf wire format).
+ * @param {jspb.ByteSource} bytes The bytes to deserialize.
+ * @return {!proto.math.FibArgs}
+ */
+proto.math.FibArgs.deserializeBinary = function(bytes) {
+  var reader = new jspb.BinaryReader(bytes);
+  var msg = new proto.math.FibArgs;
+  return proto.math.FibArgs.deserializeBinaryFromReader(msg, reader);
+};
+
+
+/**
+ * Deserializes binary data (in protobuf wire format) from the
+ * given reader into the given message object.
+ * @param {!proto.math.FibArgs} msg The message object to deserialize into.
+ * @param {!jspb.BinaryReader} reader The BinaryReader to use.
+ * @return {!proto.math.FibArgs}
+ */
+proto.math.FibArgs.deserializeBinaryFromReader = function(msg, reader) {
+  while (reader.nextField()) {
+    if (reader.isEndGroup()) {
+      break;
+    }
+    var field = reader.getFieldNumber();
+    switch (field) {
+    case 1:
+      var value = /** @type {number} */ (reader.readInt64());
+      msg.setLimit(value);
+      break;
+    default:
+      reader.skipField();
+      break;
+    }
+  }
+  return msg;
+};
+
+
+/**
+ * Class method variant: serializes the given message to binary data
+ * (in protobuf wire format), writing to the given BinaryWriter.
+ * @param {!proto.math.FibArgs} message
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.math.FibArgs.serializeBinaryToWriter = function(message, writer) {
+  message.serializeBinaryToWriter(writer);
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format).
+ * @return {!Uint8Array}
+ */
+proto.math.FibArgs.prototype.serializeBinary = function() {
+  var writer = new jspb.BinaryWriter();
+  this.serializeBinaryToWriter(writer);
+  return writer.getResultBuffer();
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format),
+ * writing to the given BinaryWriter.
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.math.FibArgs.prototype.serializeBinaryToWriter = function (writer) {
+  var f = undefined;
+  f = this.getLimit();
+  if (f !== 0) {
+    writer.writeInt64(
+      1,
+      f
+    );
+  }
+};
+
+
+/**
+ * Creates a deep clone of this proto. No data is shared with the original.
+ * @return {!proto.math.FibArgs} The clone.
+ */
+proto.math.FibArgs.prototype.cloneMessage = function() {
+  return /** @type {!proto.math.FibArgs} */ (jspb.Message.cloneMessage(this));
+};
+
+
+/**
+ * optional int64 limit = 1;
+ * @return {number}
+ */
+proto.math.FibArgs.prototype.getLimit = function() {
+  return /** @type {number} */ (jspb.Message.getFieldProto3(this, 1, 0));
+};
+
+
+/** @param {number} value  */
+proto.math.FibArgs.prototype.setLimit = function(value) {
+  jspb.Message.setField(this, 1, value);
+};
+
+
+
+/**
+ * Generated by JsPbCodeGenerator.
+ * @param {Array=} opt_data Optional initial data array, typically from a
+ * server response, or constructed directly in Javascript. The array is used
+ * in place and becomes part of the constructed object. It is not cloned.
+ * If no data is provided, the constructed object will be empty, but still
+ * valid.
+ * @extends {jspb.Message}
+ * @constructor
+ */
+proto.math.Num = function(opt_data) {
+  jspb.Message.initialize(this, opt_data, 0, -1, null, null);
+};
+goog.inherits(proto.math.Num, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+  proto.math.Num.displayName = 'proto.math.Num';
+}
+
+
+if (jspb.Message.GENERATE_TO_OBJECT) {
+/**
+ * Creates an object representation of this proto suitable for use in Soy templates.
+ * Field names that are reserved in JavaScript and will be renamed to pb_name.
+ * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.
+ * For the list of reserved names please see:
+ *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.
+ * @param {boolean=} opt_includeInstance Whether to include the JSPB instance
+ *     for transitional soy proto support: http://goto/soy-param-migration
+ * @return {!Object}
+ */
+proto.math.Num.prototype.toObject = function(opt_includeInstance) {
+  return proto.math.Num.toObject(opt_includeInstance, this);
+};
+
+
+/**
+ * Static version of the {@see toObject} method.
+ * @param {boolean|undefined} includeInstance Whether to include the JSPB
+ *     instance for transitional soy proto support:
+ *     http://goto/soy-param-migration
+ * @param {!proto.math.Num} msg The msg instance to transform.
+ * @return {!Object}
+ */
+proto.math.Num.toObject = function(includeInstance, msg) {
+  var f, obj = {
+    num: msg.getNum()
+  };
+
+  if (includeInstance) {
+    obj.$jspbMessageInstance = msg
+  }
+  return obj;
+};
+}
+
+
+/**
+ * Deserializes binary data (in protobuf wire format).
+ * @param {jspb.ByteSource} bytes The bytes to deserialize.
+ * @return {!proto.math.Num}
+ */
+proto.math.Num.deserializeBinary = function(bytes) {
+  var reader = new jspb.BinaryReader(bytes);
+  var msg = new proto.math.Num;
+  return proto.math.Num.deserializeBinaryFromReader(msg, reader);
+};
+
+
+/**
+ * Deserializes binary data (in protobuf wire format) from the
+ * given reader into the given message object.
+ * @param {!proto.math.Num} msg The message object to deserialize into.
+ * @param {!jspb.BinaryReader} reader The BinaryReader to use.
+ * @return {!proto.math.Num}
+ */
+proto.math.Num.deserializeBinaryFromReader = function(msg, reader) {
+  while (reader.nextField()) {
+    if (reader.isEndGroup()) {
+      break;
+    }
+    var field = reader.getFieldNumber();
+    switch (field) {
+    case 1:
+      var value = /** @type {number} */ (reader.readInt64());
+      msg.setNum(value);
+      break;
+    default:
+      reader.skipField();
+      break;
+    }
+  }
+  return msg;
+};
+
+
+/**
+ * Class method variant: serializes the given message to binary data
+ * (in protobuf wire format), writing to the given BinaryWriter.
+ * @param {!proto.math.Num} message
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.math.Num.serializeBinaryToWriter = function(message, writer) {
+  message.serializeBinaryToWriter(writer);
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format).
+ * @return {!Uint8Array}
+ */
+proto.math.Num.prototype.serializeBinary = function() {
+  var writer = new jspb.BinaryWriter();
+  this.serializeBinaryToWriter(writer);
+  return writer.getResultBuffer();
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format),
+ * writing to the given BinaryWriter.
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.math.Num.prototype.serializeBinaryToWriter = function (writer) {
+  var f = undefined;
+  f = this.getNum();
+  if (f !== 0) {
+    writer.writeInt64(
+      1,
+      f
+    );
+  }
+};
+
+
+/**
+ * Creates a deep clone of this proto. No data is shared with the original.
+ * @return {!proto.math.Num} The clone.
+ */
+proto.math.Num.prototype.cloneMessage = function() {
+  return /** @type {!proto.math.Num} */ (jspb.Message.cloneMessage(this));
+};
+
+
+/**
+ * optional int64 num = 1;
+ * @return {number}
+ */
+proto.math.Num.prototype.getNum = function() {
+  return /** @type {number} */ (jspb.Message.getFieldProto3(this, 1, 0));
+};
+
+
+/** @param {number} value  */
+proto.math.Num.prototype.setNum = function(value) {
+  jspb.Message.setField(this, 1, value);
+};
+
+
+
+/**
+ * Generated by JsPbCodeGenerator.
+ * @param {Array=} opt_data Optional initial data array, typically from a
+ * server response, or constructed directly in Javascript. The array is used
+ * in place and becomes part of the constructed object. It is not cloned.
+ * If no data is provided, the constructed object will be empty, but still
+ * valid.
+ * @extends {jspb.Message}
+ * @constructor
+ */
+proto.math.FibReply = function(opt_data) {
+  jspb.Message.initialize(this, opt_data, 0, -1, null, null);
+};
+goog.inherits(proto.math.FibReply, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+  proto.math.FibReply.displayName = 'proto.math.FibReply';
+}
+
+
+if (jspb.Message.GENERATE_TO_OBJECT) {
+/**
+ * Creates an object representation of this proto suitable for use in Soy templates.
+ * Field names that are reserved in JavaScript and will be renamed to pb_name.
+ * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.
+ * For the list of reserved names please see:
+ *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.
+ * @param {boolean=} opt_includeInstance Whether to include the JSPB instance
+ *     for transitional soy proto support: http://goto/soy-param-migration
+ * @return {!Object}
+ */
+proto.math.FibReply.prototype.toObject = function(opt_includeInstance) {
+  return proto.math.FibReply.toObject(opt_includeInstance, this);
+};
+
+
+/**
+ * Static version of the {@see toObject} method.
+ * @param {boolean|undefined} includeInstance Whether to include the JSPB
+ *     instance for transitional soy proto support:
+ *     http://goto/soy-param-migration
+ * @param {!proto.math.FibReply} msg The msg instance to transform.
+ * @return {!Object}
+ */
+proto.math.FibReply.toObject = function(includeInstance, msg) {
+  var f, obj = {
+    count: msg.getCount()
+  };
+
+  if (includeInstance) {
+    obj.$jspbMessageInstance = msg
+  }
+  return obj;
+};
+}
+
+
+/**
+ * Deserializes binary data (in protobuf wire format).
+ * @param {jspb.ByteSource} bytes The bytes to deserialize.
+ * @return {!proto.math.FibReply}
+ */
+proto.math.FibReply.deserializeBinary = function(bytes) {
+  var reader = new jspb.BinaryReader(bytes);
+  var msg = new proto.math.FibReply;
+  return proto.math.FibReply.deserializeBinaryFromReader(msg, reader);
+};
+
+
+/**
+ * Deserializes binary data (in protobuf wire format) from the
+ * given reader into the given message object.
+ * @param {!proto.math.FibReply} msg The message object to deserialize into.
+ * @param {!jspb.BinaryReader} reader The BinaryReader to use.
+ * @return {!proto.math.FibReply}
+ */
+proto.math.FibReply.deserializeBinaryFromReader = function(msg, reader) {
+  while (reader.nextField()) {
+    if (reader.isEndGroup()) {
+      break;
+    }
+    var field = reader.getFieldNumber();
+    switch (field) {
+    case 1:
+      var value = /** @type {number} */ (reader.readInt64());
+      msg.setCount(value);
+      break;
+    default:
+      reader.skipField();
+      break;
+    }
+  }
+  return msg;
+};
+
+
+/**
+ * Class method variant: serializes the given message to binary data
+ * (in protobuf wire format), writing to the given BinaryWriter.
+ * @param {!proto.math.FibReply} message
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.math.FibReply.serializeBinaryToWriter = function(message, writer) {
+  message.serializeBinaryToWriter(writer);
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format).
+ * @return {!Uint8Array}
+ */
+proto.math.FibReply.prototype.serializeBinary = function() {
+  var writer = new jspb.BinaryWriter();
+  this.serializeBinaryToWriter(writer);
+  return writer.getResultBuffer();
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format),
+ * writing to the given BinaryWriter.
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.math.FibReply.prototype.serializeBinaryToWriter = function (writer) {
+  var f = undefined;
+  f = this.getCount();
+  if (f !== 0) {
+    writer.writeInt64(
+      1,
+      f
+    );
+  }
+};
+
+
+/**
+ * Creates a deep clone of this proto. No data is shared with the original.
+ * @return {!proto.math.FibReply} The clone.
+ */
+proto.math.FibReply.prototype.cloneMessage = function() {
+  return /** @type {!proto.math.FibReply} */ (jspb.Message.cloneMessage(this));
+};
+
+
+/**
+ * optional int64 count = 1;
+ * @return {number}
+ */
+proto.math.FibReply.prototype.getCount = function() {
+  return /** @type {number} */ (jspb.Message.getFieldProto3(this, 1, 0));
+};
+
+
+/** @param {number} value  */
+proto.math.FibReply.prototype.setCount = function(value) {
+  jspb.Message.setField(this, 1, value);
+};
+
+
+goog.object.extend(exports, proto.math);
diff --git a/src/node/test/math/math_server.js b/src/node/test/math/math_server.js
index 9f67c52ab0c5a6ad51ea088f7632413628a36cf2..fa05ed016541f45382b386e25b59061087bc8848 100644
--- a/src/node/test/math/math_server.js
+++ b/src/node/test/math/math_server.js
@@ -34,8 +34,8 @@
 'use strict';
 
 var grpc = require('../..');
-var math = grpc.load(__dirname + '/../../../proto/math/math.proto').math;
-
+var grpcMath = require('./math_grpc_pb');
+var math = require('./math_pb');
 
 /**
  * Server function for division. Provides the /Math/DivMany and /Math/Div
@@ -46,14 +46,16 @@ var math = grpc.load(__dirname + '/../../../proto/math/math.proto').math;
  */
 function mathDiv(call, cb) {
   var req = call.request;
+  var divisor = req.getDivisor();
+  var dividend = req.getDividend();
   // Unary + is explicit coersion to integer
-  if (+req.divisor === 0) {
+  if (req.getDivisor() === 0) {
     cb(new Error('cannot divide by zero'));
   } else {
-    cb(null, {
-      quotient: req.dividend / req.divisor,
-      remainder: req.dividend % req.divisor
-    });
+    var response = new math.DivReply();
+    response.setQuotient(Math.floor(dividend / divisor));
+    response.setRemainder(dividend % divisor);
+    cb(null, response);
   }
 }
 
@@ -67,7 +69,9 @@ function mathFib(stream) {
   // Here, call is a standard writable Node object Stream
   var previous = 0, current = 1;
   for (var i = 0; i < stream.request.limit; i++) {
-    stream.write({num: current});
+    var response = new math.Num();
+    response.setNum(current);
+    stream.write(response);
     var temp = current;
     current += previous;
     previous = temp;
@@ -85,22 +89,26 @@ function mathSum(call, cb) {
   // Here, call is a standard readable Node object Stream
   var sum = 0;
   call.on('data', function(data) {
-    sum += (+data.num);
+    sum += data.getNum();
   });
   call.on('end', function() {
-    cb(null, {num: sum});
+    var response = new math.Num();
+    response.setNum(sum);
+    cb(null, response);
   });
 }
 
 function mathDivMany(stream) {
   stream.on('data', function(div_args) {
-    if (+div_args.divisor === 0) {
+    var divisor = div_args.getDivisor();
+    var dividend = div_args.getDividend();
+    if (divisor === 0) {
       stream.emit('error', new Error('cannot divide by zero'));
     } else {
-      stream.write({
-        quotient: div_args.dividend / div_args.divisor,
-        remainder: div_args.dividend % div_args.divisor
-      });
+      var response = new math.DivReply();
+      response.setQuotient(Math.floor(dividend / divisor));
+      response.setRemainder(dividend % divisor);
+      stream.write(response);
     }
   });
   stream.on('end', function() {
@@ -110,7 +118,7 @@ function mathDivMany(stream) {
 
 function getMathServer() {
   var server = new grpc.Server();
-  server.addProtoService(math.Math.service, {
+  server.addService(grpcMath.MathService, {
     div: mathDiv,
     fib: mathFib,
     sum: mathSum,
diff --git a/src/node/test/math/node_modules/grpc.js b/src/node/test/math/node_modules/grpc.js
new file mode 100644
index 0000000000000000000000000000000000000000..17c8fd96d9b7d49212d984c8c008f4d4fb808749
--- /dev/null
+++ b/src/node/test/math/node_modules/grpc.js
@@ -0,0 +1,37 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/* This exists solely to allow the generated code to import the grpc module
+ * without using a relative path */
+
+module.exports = require('../../..');
diff --git a/src/node/test/math_client_test.js b/src/node/test/math_client_test.js
index 3d446105364642bf822aabb5a37d193a9ea4ebaf..34c16e070b257c069a5d533c78603378276c595d 100644
--- a/src/node/test/math_client_test.js
+++ b/src/node/test/math_client_test.js
@@ -36,7 +36,8 @@
 var assert = require('assert');
 
 var grpc = require('..');
-var math = grpc.load(__dirname + '/../../proto/math/math.proto').math;
+var math = require('./math/math_pb');
+var MathClient = require('./math/math_grpc_pb').MathClient;
 
 /**
  * Client to use to make requests to a running server.
@@ -55,35 +56,41 @@ describe('Math client', function() {
     var port_num = server.bind('0.0.0.0:0',
                                grpc.ServerCredentials.createInsecure());
     server.start();
-    math_client = new math.Math('localhost:' + port_num,
-                                grpc.credentials.createInsecure());
+    math_client = new MathClient('localhost:' + port_num,
+                                 grpc.credentials.createInsecure());
     done();
   });
   after(function() {
     server.forceShutdown();
   });
   it('should handle a single request', function(done) {
-    var arg = {dividend: 7, divisor: 4};
+    var arg = new math.DivArgs();
+    arg.setDividend(7);
+    arg.setDivisor(4);
     math_client.div(arg, function handleDivResult(err, value) {
       assert.ifError(err);
-      assert.equal(value.quotient, 1);
-      assert.equal(value.remainder, 3);
+      assert.equal(value.getQuotient(), 1);
+      assert.equal(value.getRemainder(), 3);
       done();
     });
   });
   it('should handle an error from a unary request', function(done) {
-    var arg = {dividend: 7, divisor: 0};
+    var arg = new math.DivArgs();
+    arg.setDividend(7);
+    arg.setDivisor(0);
     math_client.div(arg, function handleDivResult(err, value) {
       assert(err);
       done();
     });
   });
   it('should handle a server streaming request', function(done) {
-    var call = math_client.fib({limit: 7});
+    var arg = new math.FibArgs();
+    arg.setLimit(7);
+    var call = math_client.fib(arg);
     var expected_results = [1, 1, 2, 3, 5, 8, 13];
     var next_expected = 0;
     call.on('data', function checkResponse(value) {
-      assert.equal(value.num, expected_results[next_expected]);
+      assert.equal(value.getNum(), expected_results[next_expected]);
       next_expected += 1;
     });
     call.on('status', function checkStatus(status) {
@@ -94,10 +101,12 @@ describe('Math client', function() {
   it('should handle a client streaming request', function(done) {
     var call = math_client.sum(function handleSumResult(err, value) {
       assert.ifError(err);
-      assert.equal(value.num, 21);
+      assert.equal(value.getNum(), 21);
     });
     for (var i = 0; i < 7; i++) {
-      call.write({'num': i});
+      var arg = new math.Num();
+      arg.setNum(i);
+      call.write(arg);
     }
     call.end();
     call.on('status', function checkStatus(status) {
@@ -107,8 +116,8 @@ describe('Math client', function() {
   });
   it('should handle a bidirectional streaming request', function(done) {
     function checkResponse(index, value) {
-      assert.equal(value.quotient, index);
-      assert.equal(value.remainder, 1);
+      assert.equal(value.getQuotient(), index);
+      assert.equal(value.getRemainder(), 1);
     }
     var call = math_client.divMany();
     var response_index = 0;
@@ -117,7 +126,10 @@ describe('Math client', function() {
       response_index += 1;
     });
     for (var i = 0; i < 7; i++) {
-      call.write({dividend: 2 * i + 1, divisor: 2});
+      var arg = new math.DivArgs();
+      arg.setDividend(2 * i + 1);
+      arg.setDivisor(2);
+      call.write(arg);
     }
     call.end();
     call.on('status', function checkStatus(status) {
@@ -131,7 +143,10 @@ describe('Math client', function() {
       assert.fail(value, undefined, 'Unexpected data response on failing call',
                   '!=');
     });
-    call.write({dividend: 7, divisor: 0});
+    var arg = new math.DivArgs();
+    arg.setDividend(7);
+    arg.setDivisor(0);
+    call.write(arg);
     call.end();
     call.on('error', function checkStatus(status) {
       done();
diff --git a/src/node/test/server_test.js b/src/node/test/server_test.js
index 71a964718443bf21b32a043382fafa784801f7fe..ed311c86051d896a1afabb97e0451a5a8e8bcf71 100644
--- a/src/node/test/server_test.js
+++ b/src/node/test/server_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/node/test/surface_test.js b/src/node/test/surface_test.js
index 8a232d6fc44a1ba9c4e89df5891b0d87ce6832d8..b96e8e487cc0c4b944fb37f56dc0bbe4c7b67af5 100644
--- a/src/node/test/surface_test.js
+++ b/src/node/test/surface_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -404,18 +404,18 @@ describe('Echo metadata', function() {
     server.forceShutdown();
   });
   it('with unary call', function(done) {
-    var call = client.unary({}, function(err, data) {
+    var call = client.unary({}, metadata, function(err, data) {
       assert.ifError(err);
-    }, metadata);
+    });
     call.on('metadata', function(metadata) {
       assert.deepEqual(metadata.get('key'), ['value']);
       done();
     });
   });
   it('with client stream call', function(done) {
-    var call = client.clientStream(function(err, data) {
+    var call = client.clientStream(metadata, function(err, data) {
       assert.ifError(err);
-    }, metadata);
+    });
     call.on('metadata', function(metadata) {
       assert.deepEqual(metadata.get('key'), ['value']);
       done();
@@ -441,8 +441,8 @@ describe('Echo metadata', function() {
   });
   it('shows the correct user-agent string', function(done) {
     var version = require('../../../package.json').version;
-    var call = client.unary({}, function(err, data) { assert.ifError(err); },
-                            metadata);
+    var call = client.unary({}, metadata,
+                            function(err, data) { assert.ifError(err); });
     call.on('metadata', function(metadata) {
       assert(_.startsWith(metadata.get('user-agent')[0],
                           'grpc-node/' + version));
@@ -452,8 +452,8 @@ describe('Echo metadata', function() {
   it('properly handles duplicate values', function(done) {
     var dup_metadata = metadata.clone();
     dup_metadata.add('key', 'value2');
-    var call = client.unary({}, function(err, data) {assert.ifError(err); },
-                            dup_metadata);
+    var call = client.unary({}, dup_metadata,
+                            function(err, data) {assert.ifError(err); });
     call.on('metadata', function(resp_metadata) {
       // Two arrays are equal iff their symmetric difference is empty
       assert.deepEqual(_.xor(dup_metadata.get('key'), resp_metadata.get('key')),
@@ -709,14 +709,14 @@ describe('Other conditions', function() {
     it('should respond correctly to a unary call', function(done) {
       misbehavingClient.unary(badArg, function(err, data) {
         assert(err);
-        assert.strictEqual(err.code, grpc.status.INVALID_ARGUMENT);
+        assert.strictEqual(err.code, grpc.status.INTERNAL);
         done();
       });
     });
     it('should respond correctly to a client stream', function(done) {
       var call = misbehavingClient.clientStream(function(err, data) {
         assert(err);
-        assert.strictEqual(err.code, grpc.status.INVALID_ARGUMENT);
+        assert.strictEqual(err.code, grpc.status.INTERNAL);
         done();
       });
       call.write(badArg);
@@ -729,7 +729,7 @@ describe('Other conditions', function() {
         assert.fail(data, null, 'Unexpected data', '===');
       });
       call.on('error', function(err) {
-        assert.strictEqual(err.code, grpc.status.INVALID_ARGUMENT);
+        assert.strictEqual(err.code, grpc.status.INTERNAL);
         done();
       });
     });
@@ -739,7 +739,7 @@ describe('Other conditions', function() {
         assert.fail(data, null, 'Unexpected data', '===');
       });
       call.on('error', function(err) {
-        assert.strictEqual(err.code, grpc.status.INVALID_ARGUMENT);
+        assert.strictEqual(err.code, grpc.status.INTERNAL);
         done();
       });
       call.write(badArg);
@@ -954,7 +954,7 @@ describe('Call propagation', function() {
       done = multiDone(done, 2);
       var call;
       proxy_impl.unary = function(parent, callback) {
-        client.unary(parent.request, function(err, value) {
+        client.unary(parent.request, {parent: parent}, function(err, value) {
           try {
             assert(err);
             assert.strictEqual(err.code, grpc.status.CANCELLED);
@@ -962,7 +962,7 @@ describe('Call propagation', function() {
             callback(err, value);
             done();
           }
-        }, null, {parent: parent});
+        });
         call.cancel();
       };
       proxy.addProtoService(test_service, proxy_impl);
@@ -976,7 +976,7 @@ describe('Call propagation', function() {
       done = multiDone(done, 2);
       var call;
       proxy_impl.clientStream = function(parent, callback) {
-        client.clientStream(function(err, value) {
+        client.clientStream({parent: parent}, function(err, value) {
           try {
             assert(err);
             assert.strictEqual(err.code, grpc.status.CANCELLED);
@@ -984,7 +984,7 @@ describe('Call propagation', function() {
             callback(err, value);
             done();
           }
-        }, null, {parent: parent});
+        });
         call.cancel();
       };
       proxy.addProtoService(test_service, proxy_impl);
@@ -998,8 +998,7 @@ describe('Call propagation', function() {
       done = multiDone(done, 2);
       var call;
       proxy_impl.serverStream = function(parent) {
-        var child = client.serverStream(parent.request, null,
-                                        {parent: parent});
+        var child = client.serverStream(parent.request, {parent: parent});
         child.on('data', function() {});
         child.on('error', function(err) {
           assert(err);
@@ -1023,7 +1022,7 @@ describe('Call propagation', function() {
       done = multiDone(done, 2);
       var call;
       proxy_impl.bidiStream = function(parent) {
-        var child = client.bidiStream(null, {parent: parent});
+        var child = client.bidiStream({parent: parent});
         child.on('data', function() {});
         child.on('error', function(err) {
           assert(err);
@@ -1051,7 +1050,8 @@ describe('Call propagation', function() {
     it('With a client stream call', function(done) {
       done = multiDone(done, 2);
       proxy_impl.clientStream = function(parent, callback) {
-        client.clientStream(function(err, value) {
+        var options = {parent: parent, propagate_flags: deadline_flags};
+        client.clientStream(options, function(err, value) {
           try {
             assert(err);
             assert(err.code === grpc.status.DEADLINE_EXCEEDED ||
@@ -1060,7 +1060,7 @@ describe('Call propagation', function() {
             callback(err, value);
             done();
           }
-        }, null, {parent: parent, propagate_flags: deadline_flags});
+        });
       };
       proxy.addProtoService(test_service, proxy_impl);
       var proxy_port = proxy.bind('localhost:0', server_insecure_creds);
@@ -1069,15 +1069,15 @@ describe('Call propagation', function() {
                                     grpc.credentials.createInsecure());
       var deadline = new Date();
       deadline.setSeconds(deadline.getSeconds() + 1);
-      proxy_client.clientStream(function(err, value) {
+      proxy_client.clientStream({deadline: deadline}, function(err, value) {
         done();
-      }, null, {deadline: deadline});
+      });
     });
     it('With a bidi stream call', function(done) {
       done = multiDone(done, 2);
       proxy_impl.bidiStream = function(parent) {
         var child = client.bidiStream(
-            null, {parent: parent, propagate_flags: deadline_flags});
+            {parent: parent, propagate_flags: deadline_flags});
         child.on('data', function() {});
         child.on('error', function(err) {
           assert(err);
@@ -1093,7 +1093,7 @@ describe('Call propagation', function() {
                                     grpc.credentials.createInsecure());
       var deadline = new Date();
       deadline.setSeconds(deadline.getSeconds() + 1);
-      var call = proxy_client.bidiStream(null, {deadline: deadline});
+      var call = proxy_client.bidiStream({deadline: deadline});
       call.on('data', function() {});
       call.on('error', function(err) {
         done();
diff --git a/src/node/test/test_messages.proto b/src/node/test/test_messages.proto
index 9b8cb875eeb0aeed0fbd498ef7b101d23b15f0b7..a1a6a32833db492e5eed6c39812c1865d00c3957 100644
--- a/src/node/test/test_messages.proto
+++ b/src/node/test/test_messages.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/node/test/test_service.proto b/src/node/test/test_service.proto
index 0ac2ae79a7e21d0e7cca3ba4d640176ff8dc4fc3..c86ce51d910383216e1ceb0193ad76e99f30612d 100644
--- a/src/node/test/test_service.proto
+++ b/src/node/test/test_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/node/tools/bin/protoc.js b/src/node/tools/bin/protoc.js
new file mode 100755
index 0000000000000000000000000000000000000000..0c6d7ce017db38929d7a86a07ab459db151ba138
--- /dev/null
+++ b/src/node/tools/bin/protoc.js
@@ -0,0 +1,54 @@
+#!/usr/bin/env node
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/**
+ * This file is required because package.json cannot reference a file that
+ * is not distributed with the package, and we use node-pre-gyp to distribute
+ * the protoc binary
+ */
+
+'use strict';
+
+var path = require('path');
+var execFile = require('child_process').execFile;
+
+var protoc = path.resolve(__dirname, 'protoc');
+
+execFile(protoc, process.argv.slice(2), function(error, stdout, stderr) {
+  if (error) {
+    throw error;
+  }
+  console.log(stdout);
+  console.log(stderr);
+});
diff --git a/src/node/tools/index.js b/src/node/tools/index.js
new file mode 100644
index 0000000000000000000000000000000000000000..2de3918cd373955e73cb1824e340e06e33e5a5c4
--- /dev/null
+++ b/src/node/tools/index.js
@@ -0,0 +1,41 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+'use strict';
+
+/**
+ * package.json requires this file to be present. In the future, this can
+ * export useful information about the included tools.
+ */
+
+module.exports = {};
diff --git a/src/node/tools/package.json b/src/node/tools/package.json
new file mode 100644
index 0000000000000000000000000000000000000000..4b3499f2f9eeb3b95a5c6bf17ec4c52af207e3fe
--- /dev/null
+++ b/src/node/tools/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "grpc-tools",
+  "version": "0.14.0-dev",
+  "author": "Google Inc.",
+  "description": "Tools for developing with gRPC on Node.js",
+  "homepage": "http://www.grpc.io/",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/grpc/grpc.git"
+  },
+  "bugs": "https://github.com/grpc/grpc/issues",
+  "contributors": [
+    {
+      "name": "Michael Lumish",
+      "email": "mlumish@google.com"
+    }
+  ],
+  "bin": {
+    "grpc-tools-protoc": "./bin/protoc.js"
+  },
+  "scripts": {
+    "install": "./node_modules/.bin/node-pre-gyp install"
+  },
+  "bundledDependencies": ["node-pre-gyp"],
+  "binary": {
+    "module_name": "grpc_tools",
+    "host": "https://storage.googleapis.com/",
+    "remote_path": "grpc-precompiled-binaries/node/{name}/v{version}",
+    "package_name": "{platform}-{arch}.tar.gz",
+    "module_path": "bin"
+  },
+  "files": [
+    "index.js",
+    "bin/protoc.js",
+    "LICENSE"
+  ],
+  "main": "index.js"
+}
diff --git a/src/objective-c/GRPCClient/GRPCCall.m b/src/objective-c/GRPCClient/GRPCCall.m
index 2d45818b6e960ac9f9d8aff5dcb321b3413ab833..1847d6016ff92b2c247bc1a996818c33e11886aa 100644
--- a/src/objective-c/GRPCClient/GRPCCall.m
+++ b/src/objective-c/GRPCClient/GRPCCall.m
@@ -308,37 +308,30 @@ NSString * const kGRPCTrailersKey = @"io.grpc.TrailersKey";
 }
 
 - (void)invokeCall {
-  __weak GRPCCall *weakSelf = self;
   [self invokeCallWithHeadersHandler:^(NSDictionary *headers) {
     // Response headers received.
-    GRPCCall *strongSelf = weakSelf;
-    if (strongSelf) {
-      strongSelf.responseHeaders = headers;
-      [strongSelf startNextRead];
-    }
+    self.responseHeaders = headers;
+    [self startNextRead];
   } completionHandler:^(NSError *error, NSDictionary *trailers) {
-    GRPCCall *strongSelf = weakSelf;
-    if (strongSelf) {
-      strongSelf.responseTrailers = trailers;
-
-      if (error) {
-        NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
-        if (error.userInfo) {
-          [userInfo addEntriesFromDictionary:error.userInfo];
-        }
-        userInfo[kGRPCTrailersKey] = strongSelf.responseTrailers;
-        // TODO(jcanizales): The C gRPC library doesn't guarantee that the headers block will be
-        // called before this one, so an error might end up with trailers but no headers. We
-        // shouldn't call finishWithError until ater both blocks are called. It is also when this is
-        // done that we can provide a merged view of response headers and trailers in a thread-safe
-        // way.
-        if (strongSelf.responseHeaders) {
-          userInfo[kGRPCHeadersKey] = strongSelf.responseHeaders;
-        }
-        error = [NSError errorWithDomain:error.domain code:error.code userInfo:userInfo];
+    self.responseTrailers = trailers;
+
+    if (error) {
+      NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
+      if (error.userInfo) {
+        [userInfo addEntriesFromDictionary:error.userInfo];
+      }
+      userInfo[kGRPCTrailersKey] = self.responseTrailers;
+      // TODO(jcanizales): The C gRPC library doesn't guarantee that the headers block will be
+      // called before this one, so an error might end up with trailers but no headers. We
+      // shouldn't call finishWithError until ater both blocks are called. It is also when this is
+      // done that we can provide a merged view of response headers and trailers in a thread-safe
+      // way.
+      if (self.responseHeaders) {
+        userInfo[kGRPCHeadersKey] = self.responseHeaders;
       }
-      [strongSelf finishWithError:error];
+      error = [NSError errorWithDomain:error.domain code:error.code userInfo:userInfo];
     }
+    [self finishWithError:error];
   }];
   // Now that the RPC has been initiated, request writes can start.
   @synchronized(_requestWriter) {
@@ -377,7 +370,6 @@ NSString * const kGRPCTrailersKey = @"io.grpc.TrailersKey";
       [strongSelf finishWithError:[NSError errorWithDomain:kGRPCErrorDomain
                                                       code:GRPCErrorCodeUnavailable
                                                   userInfo:@{NSLocalizedDescriptionKey: @"Connectivity lost."}]];
-      [[GRPCHost hostWithAddress:strongSelf->_host] disconnect];
     }
   }];
 }
diff --git a/src/objective-c/GRPCClient/private/GRPCChannel.h b/src/objective-c/GRPCClient/private/GRPCChannel.h
index e49a6aca2972c08b194ed9f488d76073c775640a..73bf8d95e727dc4d56ba0a639fd0f37ff346076f 100644
--- a/src/objective-c/GRPCClient/private/GRPCChannel.h
+++ b/src/objective-c/GRPCClient/private/GRPCChannel.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/objective-c/GRPCClient/private/GRPCChannel.m b/src/objective-c/GRPCClient/private/GRPCChannel.m
index d7de025e21da1c8079a2b1acec534026e38bd987..926f55048dbec442a98df4794d6bd8723b274b48 100644
--- a/src/objective-c/GRPCClient/private/GRPCChannel.m
+++ b/src/objective-c/GRPCClient/private/GRPCChannel.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/objective-c/GRPCClient/private/GRPCCompletionQueue.h b/src/objective-c/GRPCClient/private/GRPCCompletionQueue.h
index a52095dd011c832ab82971605dbb028234e9c1ac..fe3b8f39d1273da12f90c11f5937b1ef72df70ec 100644
--- a/src/objective-c/GRPCClient/private/GRPCCompletionQueue.h
+++ b/src/objective-c/GRPCClient/private/GRPCCompletionQueue.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,8 +36,6 @@
 
 typedef void(^GRPCQueueCompletionHandler)(bool success);
 
-extern const int64_t kGRPCCompletionQueueDefaultTimeoutSecs;
-
 /**
  * This class lets one more easily use |grpc_completion_queue|. To use it, pass the value of the
  * |unmanagedQueue| property of an instance of this class to |grpc_channel_create_call|. Then for
@@ -51,11 +49,6 @@ extern const int64_t kGRPCCompletionQueueDefaultTimeoutSecs;
  */
 @interface GRPCCompletionQueue : NSObject
 @property(nonatomic, readonly) grpc_completion_queue *unmanagedQueue;
-@property(nonatomic, readonly) int64_t timeoutSecs;
 
 + (instancetype)completionQueue;
-
-- (instancetype)init;
-- (instancetype)initWithTimeout:(int64_t)timeoutSecs NS_DESIGNATED_INITIALIZER;
-
 @end
diff --git a/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m b/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m
index be214d4d36b943a533d8813419fa20c0cf3f935a..539b5ab83ce251080e114d3dbcc606cde4b4329a 100644
--- a/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m
+++ b/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,9 +35,6 @@
 
 #import <grpc/grpc.h>
 
-
-const int64_t kGRPCCompletionQueueDefaultTimeoutSecs = 60;
-
 @implementation GRPCCompletionQueue
 
 + (instancetype)completionQueue {
@@ -50,13 +47,8 @@ const int64_t kGRPCCompletionQueueDefaultTimeoutSecs = 60;
 }
 
 - (instancetype)init {
-  return [self initWithTimeout:kGRPCCompletionQueueDefaultTimeoutSecs];
-}
-
-- (instancetype)initWithTimeout:(int64_t)timeoutSecs {
   if ((self = [super init])) {
     _unmanagedQueue = grpc_completion_queue_create(NULL);
-    _timeoutSecs = timeoutSecs;
 
     // This is for the following block to capture the pointer by value (instead
     // of retaining self and doing self->_unmanagedQueue). This is essential
@@ -74,28 +66,22 @@ const int64_t kGRPCCompletionQueueDefaultTimeoutSecs = 60;
       gDefaultConcurrentQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
     });
     dispatch_async(gDefaultConcurrentQueue, ^{
-      // Using a non-infinite deadline to re-enter grpc_completion_queue_next()
-      // alleviates https://github.com/grpc/grpc/issues/5593
-      gpr_timespec deadline = (timeoutSecs < 0)
-          ? gpr_inf_future(GPR_CLOCK_REALTIME)
-          : gpr_time_from_seconds(timeoutSecs, GPR_CLOCK_REALTIME);
       while (YES) {
-        // The following call blocks until an event is available or the deadline elapses.
-        grpc_event event = grpc_completion_queue_next(unmanagedQueue, deadline, NULL);
+        // The following call blocks until an event is available.
+        grpc_event event = grpc_completion_queue_next(unmanagedQueue,
+                                                      gpr_inf_future(GPR_CLOCK_REALTIME),
+                                                      NULL);
         GRPCQueueCompletionHandler handler;
         switch (event.type) {
           case GRPC_OP_COMPLETE:
             handler = (__bridge_transfer GRPCQueueCompletionHandler)event.tag;
             handler(event.success);
             break;
-          case GRPC_QUEUE_TIMEOUT:
-            // Nothing to do here
-            break;
           case GRPC_QUEUE_SHUTDOWN:
             grpc_completion_queue_destroy(unmanagedQueue);
             return;
           default:
-            [NSException raise:@"Unrecognized completion type" format:@"type=%d", event.type];
+            [NSException raise:@"Unrecognized completion type" format:@""];
         }
       };
     });
diff --git a/src/objective-c/GRPCClient/private/GRPCHost.h b/src/objective-c/GRPCClient/private/GRPCHost.h
index 987d3e9f5970073210c5e3cf61b221e25a00f48a..e58bb7a2d94ff6e624edf740a9e84e8ae3aaa123 100644
--- a/src/objective-c/GRPCClient/private/GRPCHost.h
+++ b/src/objective-c/GRPCClient/private/GRPCHost.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/objective-c/GRPCClient/private/GRPCHost.m b/src/objective-c/GRPCClient/private/GRPCHost.m
index 508cb206444e04a343626db5d0d26315317c3f5c..739d808c530ac9d7757c50185d9a8b500b95c917 100644
--- a/src/objective-c/GRPCClient/private/GRPCHost.m
+++ b/src/objective-c/GRPCClient/private/GRPCHost.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/objective-c/GRPCClient/private/GRPCReachabilityFlagNames.xmacro.h b/src/objective-c/GRPCClient/private/GRPCReachabilityFlagNames.xmacro.h
index 02871d5d02856f1f3f64a215caadc37583324440..4b92504b555378e1d1ac2d7fa5c403ab7036a838 100644
--- a/src/objective-c/GRPCClient/private/GRPCReachabilityFlagNames.xmacro.h
+++ b/src/objective-c/GRPCClient/private/GRPCReachabilityFlagNames.xmacro.h
@@ -54,7 +54,9 @@
        GRPC_XMACRO_ITEM.
 #endif
 
+#if TARGET_OS_IPHONE
 GRPC_XMACRO_ITEM(isCell, IsWWAN)
+#endif
 GRPC_XMACRO_ITEM(reachable, Reachable)
 GRPC_XMACRO_ITEM(transientConnection, TransientConnection)
 GRPC_XMACRO_ITEM(connectionRequired, ConnectionRequired)
diff --git a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
index fe3d51da53a58a409621433744fdd028872e64a3..16e5bff7ff7894ede5544df3ee7a547c869299c6 100644
--- a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
+++ b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
@@ -54,7 +54,9 @@
 
 - (void)finish {
   if (_handler) {
-    _handler();
+    void(^handler)() = _handler;
+    _handler = nil;
+    handler();
   }
 }
 @end
diff --git a/src/objective-c/ProtoRPC/ProtoMethod.m b/src/objective-c/ProtoRPC/ProtoMethod.m
index 75e5efc23e7f2e5569438066ff9d0a8ef550c62d..4b7ed63123c01a6507f90ed4e2b66f39b0dd08c4 100644
--- a/src/objective-c/ProtoRPC/ProtoMethod.m
+++ b/src/objective-c/ProtoRPC/ProtoMethod.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/objective-c/RxLibrary/GRXWriteable.m b/src/objective-c/RxLibrary/GRXWriteable.m
index 028ba9b551ab74bd36428cf56b94823f7de34738..c15ccb17fb9d8900357dc560400ed56badeca912 100644
--- a/src/objective-c/RxLibrary/GRXWriteable.m
+++ b/src/objective-c/RxLibrary/GRXWriteable.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/objective-c/examples/Sample/Sample/ViewController.m b/src/objective-c/examples/Sample/Sample/ViewController.m
index a2bb3ee32986c67546aeea6c3c2e6b17cea01c20..433a8a2ba3bc17c9d2db719e3c95a5d67eddef50 100644
--- a/src/objective-c/examples/Sample/Sample/ViewController.m
+++ b/src/objective-c/examples/Sample/Sample/ViewController.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/objective-c/tests/GRPCClientTests.m b/src/objective-c/tests/GRPCClientTests.m
index 7dd6873c8029bbd0e69fc9bafde988e85d8123cf..9a8d425324129823a37e1cbbdc8b736cc217366f 100644
--- a/src/objective-c/tests/GRPCClientTests.m
+++ b/src/objective-c/tests/GRPCClientTests.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/objective-c/tests/InteropTestsLocalSSL.m b/src/objective-c/tests/InteropTestsLocalSSL.m
index 155e334ecb2bec5ab0552293e7eb78e4c33b295f..f0f4b1d71f03d9dee8386c47a6213dcf70343ee6 100644
--- a/src/objective-c/tests/InteropTestsLocalSSL.m
+++ b/src/objective-c/tests/InteropTestsLocalSSL.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/objective-c/tests/InteropTestsRemote.m b/src/objective-c/tests/InteropTestsRemote.m
index 00eadc25bc33f5a6d1f6341f8e66c8f34cbb8132..758cc9346adf2175b187974cacde874e84e4619d 100644
--- a/src/objective-c/tests/InteropTestsRemote.m
+++ b/src/objective-c/tests/InteropTestsRemote.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/objective-c/tests/RxLibraryUnitTests.m b/src/objective-c/tests/RxLibraryUnitTests.m
index ae9465f58cc0bcb9092e738d3abbd00662d3b125..62fbdfcdf618a500db0255e418ee042056ba994c 100644
--- a/src/objective-c/tests/RxLibraryUnitTests.m
+++ b/src/objective-c/tests/RxLibraryUnitTests.m
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/php/ext/grpc/LICENSE b/src/php/ext/grpc/LICENSE
index a8c47a2081f7f1655c32e8177a40ebc6d30a8300..0c651a02871d439323f05f53fa1e649b202f7d07 100644
--- a/src/php/ext/grpc/LICENSE
+++ b/src/php/ext/grpc/LICENSE
@@ -1,4 +1,4 @@
-Copyright 2015-2016, Google Inc.
+Copyright 2015, Google Inc.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/src/php/ext/grpc/byte_buffer.c b/src/php/ext/grpc/byte_buffer.c
index 8be0a206073698d90a9890b27c977a74aaa937a2..7a726de5db48b1b103ad360fbf1bd1d86728a376 100644
--- a/src/php/ext/grpc/byte_buffer.c
+++ b/src/php/ext/grpc/byte_buffer.c
@@ -72,6 +72,7 @@ void byte_buffer_to_string(grpc_byte_buffer *buffer, char **out_string,
   while (grpc_byte_buffer_reader_next(&reader, &next) != 0) {
     memcpy(string + offset, GPR_SLICE_START_PTR(next), GPR_SLICE_LENGTH(next));
     offset += GPR_SLICE_LENGTH(next);
+    gpr_slice_unref(next);
   }
   *out_string = string;
   *out_length = length;
diff --git a/src/php/ext/grpc/call.c b/src/php/ext/grpc/call.c
index 4f48d6f2e2d2f9aacde86e824aec83315ace15d3..a0f3d160c6422c32c4ce7e16f3843e4d153b6103 100644
--- a/src/php/ext/grpc/call.c
+++ b/src/php/ext/grpc/call.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -492,6 +492,14 @@ cleanup:
   if (status_details != NULL) {
     gpr_free(status_details);
   }
+  for (int i = 0; i < op_num; i++) {
+    if (ops[i].op == GRPC_OP_SEND_MESSAGE) {
+      grpc_byte_buffer_destroy(ops[i].data.send_message);
+    }
+    if (ops[i].op == GRPC_OP_RECV_MESSAGE) {
+      grpc_byte_buffer_destroy(message);
+    }
+  }
   RETURN_DESTROY_ZVAL(result);
 }
 
diff --git a/src/php/ext/grpc/channel.c b/src/php/ext/grpc/channel.c
index f0bc7340ba9fd77bd5030b76a097b7da89d4158f..eba2c81424d00a4049e90f815cad01d3c8cd17ae 100644
--- a/src/php/ext/grpc/channel.c
+++ b/src/php/ext/grpc/channel.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -110,9 +110,11 @@ void php_grpc_read_args_array(zval *args_array, grpc_channel_args *args) {
     switch (Z_TYPE_P(*data)) {
       case IS_LONG:
         args->args[args_index].value.integer = (int)Z_LVAL_P(*data);
+        args->args[args_index].type = GRPC_ARG_INTEGER;
         break;
       case IS_STRING:
         args->args[args_index].value.string = Z_STRVAL_P(*data);
+        args->args[args_index].type = GRPC_ARG_STRING;
         break;
       default:
         zend_throw_exception(spl_ce_InvalidArgumentException,
diff --git a/src/php/ext/grpc/server_credentials.c b/src/php/ext/grpc/server_credentials.c
index 79188246bce29db50d145913d427dd0984520ded..f3951b31feec5cd2fdad5927f7fc0ce688cc08f6 100644
--- a/src/php/ext/grpc/server_credentials.c
+++ b/src/php/ext/grpc/server_credentials.c
@@ -115,10 +115,11 @@ PHP_METHOD(ServerCredentials, createSsl) {
                          "createSsl expects 3 strings", 1 TSRMLS_CC);
     return;
   }
-  /* TODO: add a force_client_auth field in ServerCredentials and pass it as
-   * the last parameter. */
-  grpc_server_credentials *creds = grpc_ssl_server_credentials_create(
-      pem_root_certs, &pem_key_cert_pair, 1, 0, NULL);
+  /* TODO: add a client_certificate_request field in ServerCredentials and pass
+   * it as the last parameter. */
+  grpc_server_credentials *creds = grpc_ssl_server_credentials_create_ex(
+      pem_root_certs, &pem_key_cert_pair, 1,
+      GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE, NULL);
   zval *creds_object = grpc_php_wrap_server_credentials(creds);
   RETURN_DESTROY_ZVAL(creds_object);
 }
diff --git a/src/php/tests/bootstrap.php b/src/php/tests/bootstrap.php
index b61f2c40a5d139bc8540a497c790ebfb62c928e9..8b3d4347e2e74d9e43312e0847de36c3e6f2acbb 100644
--- a/src/php/tests/bootstrap.php
+++ b/src/php/tests/bootstrap.php
@@ -17,5 +17,5 @@
  */
 
 error_reporting(E_ALL | E_STRICT);
-require dirname(__DIR__) . '/vendor/autoload.php';
+require dirname(__DIR__).'/vendor/autoload.php';
 date_default_timezone_set('UTC');
diff --git a/src/php/tests/generated_code/AbstractGeneratedCodeTest.php b/src/php/tests/generated_code/AbstractGeneratedCodeTest.php
index f70525ef1585ad3fe2a8357760cb921253cd2dd0..75922d4cf7c7fd16eb736cd91fb0a4236f9aee36 100644
--- a/src/php/tests/generated_code/AbstractGeneratedCodeTest.php
+++ b/src/php/tests/generated_code/AbstractGeneratedCodeTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/php/tests/generated_code/GeneratedCodeWithCallbackTest.php b/src/php/tests/generated_code/GeneratedCodeWithCallbackTest.php
index 6bb1955ccb12f0cd746fc11286e18ebe99e4be68..6b70b8ac10f8aaa9dd2b8631cb019e7b83adb98b 100644
--- a/src/php/tests/generated_code/GeneratedCodeWithCallbackTest.php
+++ b/src/php/tests/generated_code/GeneratedCodeWithCallbackTest.php
@@ -46,7 +46,8 @@ class GeneratedCodeWithCallbackTest extends AbstractGeneratedCodeTest
                                 $a_copy['foo'] = ['bar'];
 
                                 return $a_copy;
-                              }]);
+                              },
+         ]);
     }
 
     public function tearDown()
diff --git a/src/php/tests/generated_code/math_client.php b/src/php/tests/generated_code/math_client.php
index 2085560d19e03dad9ef44619a5954325a479192b..6ee92bc465ef3f692187d62a024f9c6777a20e16 100644
--- a/src/php/tests/generated_code/math_client.php
+++ b/src/php/tests/generated_code/math_client.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,13 +38,13 @@ include 'tests/generated_code/math.php';
 
 function p($line)
 {
-    print("$line<br/>\n");
+    echo "$line<br/>\n";
 }
 
 $host = 'localhost:50051';
 p("Connecting to host: $host");
 $client = new math\MathClient($host, [
-    'credentials' => Grpc\ChannelCredentials::createInsecure()
+    'credentials' => Grpc\ChannelCredentials::createInsecure(),
 ]);
 p('Client class: '.get_class($client));
 p('');
diff --git a/src/php/tests/unit_tests/CallCredentials2Test.php b/src/php/tests/unit_tests/CallCredentials2Test.php
index 1282db6eedf2fcb8f0717c6b4ac619583d18f4c2..a57e2b9b4ee568533b6ed9b89ab2524ba78a5b9b 100644
--- a/src/php/tests/unit_tests/CallCredentials2Test.php
+++ b/src/php/tests/unit_tests/CallCredentials2Test.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/php/tests/unit_tests/CallCredentials3Test.php b/src/php/tests/unit_tests/CallCredentials3Test.php
index a458f1d322cf413c2cffcb85cd11b98cdbc9312a..8f5e109bf5c7082b895d33ca4b0929f396691399 100644
--- a/src/php/tests/unit_tests/CallCredentials3Test.php
+++ b/src/php/tests/unit_tests/CallCredentials3Test.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -132,5 +132,4 @@ class CallCredentials3Test extends PHPUnit_Framework_TestCase
         unset($call);
         unset($server_call);
     }
-
 }
diff --git a/src/php/tests/unit_tests/CallCredentialsTest.php b/src/php/tests/unit_tests/CallCredentialsTest.php
index 287024839dfdbd2dc5f63bbdeed5ecbf21d54b6d..5fec06cd13395a48785e7cf6bcb8d5bccdf712bb 100644
--- a/src/php/tests/unit_tests/CallCredentialsTest.php
+++ b/src/php/tests/unit_tests/CallCredentialsTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/php/tests/unit_tests/CallTest.php b/src/php/tests/unit_tests/CallTest.php
index a2522fb1206837452bc707aedd380d4732c4c6e0..fa026f0935097981829b549e67d25c4e7ad459fb 100755
--- a/src/php/tests/unit_tests/CallTest.php
+++ b/src/php/tests/unit_tests/CallTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -94,7 +94,7 @@ class CallTest extends PHPUnit_Framework_TestCase
 
     public function testCancel()
     {
-      $this->assertNull($this->call->cancel());
+        $this->assertNull($this->call->cancel());
     }
 
     /**
@@ -118,5 +118,4 @@ class CallTest extends PHPUnit_Framework_TestCase
         ];
         $result = $this->call->startBatch($batch);
     }
-
 }
diff --git a/src/php/tests/unit_tests/ChannelCredentialsTest.php b/src/php/tests/unit_tests/ChannelCredentialsTest.php
index 6d472dc8762c47bb237ca21eedaa1d23573e29a2..56c1d8f006de635702220bd182473d549c6e4998 100644
--- a/src/php/tests/unit_tests/ChannelCredentialsTest.php
+++ b/src/php/tests/unit_tests/ChannelCredentialsTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -70,4 +70,4 @@ class ChanellCredentialsTest extends PHPUnit_Framework_TestCase
         $channel_credentials = Grpc\ChannelCredentials::createInsecure();
         $this->assertNull($channel_credentials);
     }
-}
\ No newline at end of file
+}
diff --git a/src/php/tests/unit_tests/ChannelTest.php b/src/php/tests/unit_tests/ChannelTest.php
index acb8a0a70d58d870a7111a9c23e3963680ca88c7..a1f9053c3989bd7d51d60c6fab6ecab0a62d182d 100644
--- a/src/php/tests/unit_tests/ChannelTest.php
+++ b/src/php/tests/unit_tests/ChannelTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -78,5 +78,4 @@ class ChannelTest extends PHPUnit_Framework_TestCase
             ]
         );
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/php/tests/unit_tests/EndToEndTest.php b/src/php/tests/unit_tests/EndToEndTest.php
index 45f6708b1fea4155cdbed0c36a390739aa17d0c4..2b09f9d112a3ac437b3da4d2499a57fbf79437db 100755
--- a/src/php/tests/unit_tests/EndToEndTest.php
+++ b/src/php/tests/unit_tests/EndToEndTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -261,7 +261,8 @@ class EndToEndTest extends PHPUnit_Framework_TestCase
             Grpc\OP_SEND_INITIAL_METADATA => [],
             Grpc\OP_SEND_CLOSE_FROM_CLIENT => true,
             Grpc\OP_SEND_MESSAGE => ['message' => 'abc',
-                                     'flags' => 'invalid'],
+                                     'flags' => 'invalid',
+                                     ],
         ]);
     }
 
@@ -574,7 +575,7 @@ class EndToEndTest extends PHPUnit_Framework_TestCase
     public function testGetConnectivityStateInvalidParam()
     {
         $this->assertTrue($this->channel->getConnectivityState(
-            new Grpc\Timeval));
+            new Grpc\Timeval()));
     }
 
     /**
@@ -591,12 +592,11 @@ class EndToEndTest extends PHPUnit_Framework_TestCase
      */
     public function testChannelConstructorInvalidParam()
     {
-        $this->channel = new Grpc\Channel('localhost:'.$this->port, NULL);
+        $this->channel = new Grpc\Channel('localhost:'.$this->port, null);
     }
 
     public function testClose()
     {
         $this->assertNull($this->channel->close());
     }
-
 }
diff --git a/src/php/tests/unit_tests/ServerTest.php b/src/php/tests/unit_tests/ServerTest.php
index cde6a9a8f7d4d168302622fc3e0c1ceaaff7f398..76aaa069704b67c5534c06279bc0f36f01a8dbd4 100644
--- a/src/php/tests/unit_tests/ServerTest.php
+++ b/src/php/tests/unit_tests/ServerTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -67,5 +67,4 @@ class ServerTest extends PHPUnit_Framework_TestCase
         $this->server = new Grpc\Server([]);
         $this->port = $this->server->addSecureHttp2Port(['0.0.0.0:0']);
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/php/tests/unit_tests/TimevalTest.php b/src/php/tests/unit_tests/TimevalTest.php
index 9e4bc294da37254f6225a739d4411135aebea8af..a3dbce079f470b4aceb68ab2647461f9c58c6ab9 100755
--- a/src/php/tests/unit_tests/TimevalTest.php
+++ b/src/php/tests/unit_tests/TimevalTest.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -94,13 +94,13 @@ class TimevalTest extends PHPUnit_Framework_TestCase
 
     public function testSimilar()
     {
-      $a = Grpc\Timeval::now();
-      $delta = new Grpc\Timeval(1000);
-      $b = $a->add($delta);
-      $thresh = new Grpc\Timeval(1100);
-      $this->assertTrue(Grpc\Timeval::similar($a, $b, $thresh));
-      $thresh = new Grpc\Timeval(900);
-      $this->assertFalse(Grpc\Timeval::similar($a, $b, $thresh));
+        $a = Grpc\Timeval::now();
+        $delta = new Grpc\Timeval(1000);
+        $b = $a->add($delta);
+        $thresh = new Grpc\Timeval(1100);
+        $this->assertTrue(Grpc\Timeval::similar($a, $b, $thresh));
+        $thresh = new Grpc\Timeval(900);
+        $this->assertFalse(Grpc\Timeval::similar($a, $b, $thresh));
     }
 
     public function testSleepUntil()
@@ -155,5 +155,4 @@ class TimevalTest extends PHPUnit_Framework_TestCase
     {
         $a = Grpc\Timeval::similar(1000, 1100, 1200);
     }
-
 }
diff --git a/src/proto/gen_build_yaml.py b/src/proto/gen_build_yaml.py
index e243d0defc4b9f67201dd40b941e0399d3466455..2a8d9fab93a5e4b83567e16a443b836c68afc919 100755
--- a/src/proto/gen_build_yaml.py
+++ b/src/proto/gen_build_yaml.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -36,7 +36,7 @@ import os
 import re
 import sys
 
-def update_deps(key, proto_filename, deps, is_trans, visited):
+def update_deps(key, proto_filename, deps, deps_external, is_trans, visited):
   if not proto_filename in visited:
     visited.append(proto_filename)
     with open(proto_filename) as inp:
@@ -44,10 +44,17 @@ def update_deps(key, proto_filename, deps, is_trans, visited):
         imp = re.search(r'import "([^"]*)"', line)
         if not imp: continue
         imp_proto = imp.group(1)
+        # This indicates an external dependency, which we should handle
+        # differently and not traverse recursively
+        if imp_proto.startswith('google/'):
+          if key not in deps_external:
+            deps_external[key] = []
+          deps_external[key].append(imp_proto[:-6])
+          continue
         if key not in deps: deps[key] = []
         deps[key].append(imp_proto[:-6])
         if is_trans:
-          update_deps(key, imp_proto, deps, is_trans, visited)
+          update_deps(key, imp_proto, deps, deps_external, is_trans, visited)
 
 def main():
   proto_dir = os.path.abspath(os.path.dirname(sys.argv[0]))
@@ -55,17 +62,23 @@ def main():
 
   deps = {}
   deps_trans = {}
+  deps_external = {}
+  deps_external_trans = {}
   for root, dirs, files in os.walk('src/proto'):
     for f in files:
       if f[-6:] != '.proto': continue
       look_at = os.path.join(root, f)
       deps_for = look_at[:-6]
-      update_deps(deps_for, look_at, deps, False, [])      # First level deps
-      update_deps(deps_for, look_at, deps_trans, True, []) # Transitive deps
+      # First level deps
+      update_deps(deps_for, look_at, deps, deps_external, False, [])
+      # Transitive deps
+      update_deps(deps_for, look_at, deps_trans, deps_external_trans, True, [])
 
   json = {
     'proto_deps': deps,
-    'proto_transitive_deps': deps_trans
+    'proto_transitive_deps': deps_trans,
+    'proto_external_deps': deps_external,
+    'proto_transitive_external_deps': deps_external_trans
   }
 
   print yaml.dump(json)
diff --git a/src/proto/grpc/binary_log/v1alpha/log.proto b/src/proto/grpc/binary_log/v1alpha/log.proto
new file mode 100644
index 0000000000000000000000000000000000000000..83166cd4104bd5254abb467e558f469c4a019bbc
--- /dev/null
+++ b/src/proto/grpc/binary_log/v1alpha/log.proto
@@ -0,0 +1,108 @@
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+import "google/protobuf/timestamp.proto"
+
+package grpc.binary_log.v1alpha;
+
+enum Direction {
+  SERVER_SEND;
+  SERVER_RECV;
+  CLIENT_SEND;
+  CLIENT_RECV;
+}
+
+message KeyValuePair {
+  string key;
+  string value;
+}
+
+// Any sort of metadata that may be sent in either direction during a call
+message Metadata {
+  // Cryptographically unique identifier, generated on the client and sent
+  // to the server.
+  uint64 rpc_id = 1;
+  // Timestamp of logging the metadata
+  google.protobuf.Timestamp timestamp = 2;
+  Direction direction = 3;
+  // The actual metadata that is being sent
+  repeated KeyValuePair metadata = 4;
+
+  // Initial metadata sent by the client to initiate a request
+  message ClientInitialMetadata {
+    // The full method name that is being called
+    string method_name = 1;
+    // The call's deadline
+    google.protobuf.Timestamp deadline = 2;
+    // The address of the connected peer
+    string peer = 3;
+  }
+
+  // Arbitrary key/value pairs specified by the user that are not sent over
+  // the network but are nonetheless useful to log
+  message UserData {
+  }
+
+  // Initial metadata response sent by the server after accepting the request
+  message ServerInitialMetadata {
+  }
+
+  // Status sent by the server when closing the call on the server side
+  message ServerStatus {
+    // The status code
+    uint32 code = 1;
+    // The status details
+    string details = 2;
+  }
+
+  oneof kind {
+    ClientInitialMetadata client_initial_metadata = 5;
+    UserData user_data = 6;
+    ServerInitialMetadata server_initial_metadata = 7;
+    ServerStatus server_status = 8;
+  }
+}
+
+// A message that is sent during a call
+message Message {
+  // Cryptographically unique identifier, generated on the client and sent
+  // to the server.
+  uint64 rpc_id = 1;
+  // The sequence number of the message. Messages sent by the client and by the
+  // server should have independently incrementing sequence numbers.
+  uint32 sequence_number = 2;
+  Direction direction = 3;
+  // The length of the complete message.
+  uint32 length = 4;
+  // The contents of the message. May be a prefix instead of the complete
+  // message.
+  bytes data = 5;
+}
diff --git a/src/proto/grpc/health/v1/health.proto b/src/proto/grpc/health/v1/health.proto
index 6e27606d1b6fdb4f3e658e0ff4b07d21f1bbc017..4ab30a0256a6f1481a440b47d6c6b067a8f58bef 100644
--- a/src/proto/grpc/health/v1/health.proto
+++ b/src/proto/grpc/health/v1/health.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/proto/grpc/testing/compiler_test.proto b/src/proto/grpc/testing/compiler_test.proto
new file mode 100644
index 0000000000000000000000000000000000000000..085e8ae59f7933903f271686dc4c55cc51a8ce30
--- /dev/null
+++ b/src/proto/grpc/testing/compiler_test.proto
@@ -0,0 +1,75 @@
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// File detached comment 1
+
+// File detached comment 2
+
+// File leading comment 1
+syntax = "proto3";
+
+// Ignored detached comment
+
+// Ignored package leading comment
+package grpc.testing;
+
+message Request {
+}
+message Response {
+}
+
+// ServiceA detached comment 1
+
+// ServiceA detached comment 2
+
+// ServiceA leading comment 1
+service ServiceA {
+  // MethodA1 leading comment 1
+  rpc MethodA1(Request) returns (Response);  // MethodA1 trailing comment 1
+
+  // MethodA2 detached leading comment 1
+
+  // Method A2 leading comment 1
+  // Method A2 leading comment 2
+  rpc MethodA2(stream Request) returns (Response);
+  // MethodA2 trailing comment 1
+}
+// Ignored ServiceA trailing comment 1
+
+// ServiceB leading comment 1
+service ServiceB {
+  // ServiceB trailing comment 1
+
+  // MethodB1 leading comment 1
+  rpc MethodB1(Request) returns (Response);
+  // MethodB1 trailing comment 1
+}
+// Ignored ServiceB trailing comment 2
+
+// Ignored file trailing comment
diff --git a/src/proto/grpc/testing/control.proto b/src/proto/grpc/testing/control.proto
index cc365cafe1af69073d728093efb625ae03eb0b17..20496a8116b6090171ab67d4c313003f00a7cd68 100644
--- a/src/proto/grpc/testing/control.proto
+++ b/src/proto/grpc/testing/control.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -35,14 +35,18 @@ import "src/proto/grpc/testing/stats.proto";
 package grpc.testing;
 
 enum ClientType {
+  // Many languages support a basic distinction between using
+  // sync or async client, and this allows the specification
   SYNC_CLIENT = 0;
   ASYNC_CLIENT = 1;
+  OTHER_CLIENT = 2; // used for some language-specific variants
 }
 
 enum ServerType {
   SYNC_SERVER = 0;
   ASYNC_SERVER = 1;
   ASYNC_GENERIC_SERVER = 2;
+  OTHER_SERVER = 3; // used for some language-specific variants
 }
 
 enum RpcType {
@@ -57,18 +61,6 @@ message PoissonParams {
   double offered_load = 1;
 }
 
-message UniformParams {
-  double interarrival_lo = 1;
-  double interarrival_hi = 2;
-}
-
-message DeterministicParams { double offered_load = 1; }
-
-message ParetoParams {
-  double interarrival_base = 1;
-  double alpha = 2;
-}
-
 // Once an RPC finishes, immediately start a new one.
 // No configuration parameters needed.
 message ClosedLoopParams {}
@@ -77,9 +69,6 @@ message LoadParams {
   oneof load {
     ClosedLoopParams closed_loop = 1;
     PoissonParams poisson = 2;
-    UniformParams uniform = 3;
-    DeterministicParams determ = 4;
-    ParetoParams pareto = 5;
   };
 }
 
@@ -111,6 +100,9 @@ message ClientConfig {
   // Specify the cores we should run the client on, if desired
   repeated int32 core_list = 13;
   int32 core_limit = 14;
+
+  // If we use an OTHER_CLIENT client_type, this string gives more detail
+  string other_client_api = 15;
 }
 
 message ClientStatus { ClientStats stats = 1; }
@@ -142,6 +134,9 @@ message ServerConfig {
 
   // Specify the cores we should run the server on, if desired
   repeated int32 core_list = 10;
+
+  // If we use an OTHER_SERVER client_type, this string gives more detail
+  string other_server_api = 11;
 }
 
 message ServerArgs {
@@ -169,3 +164,69 @@ message CoreResponse {
 
 message Void {
 }
+
+// A single performance scenario: input to qps_json_driver
+message Scenario {
+  // Human readable name for this scenario
+  string name = 1;
+  // Client configuration
+  ClientConfig client_config = 2;
+  // Number of clients to start for the test
+  int32 num_clients = 3;
+  // Server configuration
+  ServerConfig server_config = 4;
+  // Number of servers to start for the test
+  int32 num_servers = 5;
+  // Warmup period, in seconds
+  int32 warmup_seconds = 6;
+  // Benchmark time, in seconds
+  int32 benchmark_seconds = 7;
+  // Number of workers to spawn locally (usually zero)
+  int32 spawn_local_worker_count = 8;
+}
+
+// A set of scenarios to be run with qps_json_driver
+message Scenarios {
+  repeated Scenario scenarios = 1;
+}
+
+// Basic summary that can be computed from ClientStats and ServerStats
+// once the scenario has finished.
+message ScenarioResultSummary
+{
+  // Total number of operations per second over all clients.
+  double qps = 1;
+  // QPS per one server core.
+  double qps_per_server_core = 2;
+  // server load based on system_time (0.85 => 85%)
+  double server_system_time = 3;
+  // server load based on user_time (0.85 => 85%)
+  double server_user_time = 4;
+  // client load based on system_time (0.85 => 85%)
+  double client_system_time = 5;
+  // client load based on user_time (0.85 => 85%)
+  double client_user_time = 6;
+
+  // X% latency percentiles (in nanoseconds)
+  double latency_50 = 7;
+  double latency_90 = 8;
+  double latency_95 = 9;
+  double latency_99 = 10;
+  double latency_999 = 11;
+}
+
+// Results of a single benchmark scenario.
+message ScenarioResult {
+  // Inputs used to run the scenario.
+  Scenario scenario = 1;
+  // Histograms from all clients merged into one histogram.
+  HistogramData latencies = 2;
+  // Client stats for each client
+  repeated ClientStats client_stats = 3;
+  // Server stats for each server
+  repeated ServerStats server_stats = 4;
+  // Number of cores available to each server
+  repeated int32 server_cores = 5;
+  // An after-the-fact computed summary
+  ScenarioResultSummary summary = 6;
+}
diff --git a/src/proto/grpc/testing/duplicate/echo_duplicate.proto b/src/proto/grpc/testing/duplicate/echo_duplicate.proto
index 9d84de108e0366791b33c6b6bd396b1029a602d0..94130ea767841ace09ead6e8340abfcc9ad1c93e 100644
--- a/src/proto/grpc/testing/duplicate/echo_duplicate.proto
+++ b/src/proto/grpc/testing/duplicate/echo_duplicate.proto
@@ -1,5 +1,5 @@
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/proto/grpc/testing/echo.proto b/src/proto/grpc/testing/echo.proto
index 06c3bafbad0937897ef11cfb8a245c768113d393..0eef53a92a14ef45f1847ab5c3b9ca987ced899b 100644
--- a/src/proto/grpc/testing/echo.proto
+++ b/src/proto/grpc/testing/echo.proto
@@ -1,5 +1,5 @@
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/proto/grpc/testing/echo_messages.proto b/src/proto/grpc/testing/echo_messages.proto
index 5ce0a1fd64275cc09eaf1e59f4ee8402867b39f1..1be1966f101486b5f57b3cddac87a31cea9a63d4 100644
--- a/src/proto/grpc/testing/echo_messages.proto
+++ b/src/proto/grpc/testing/echo_messages.proto
@@ -1,5 +1,5 @@
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/proto/grpc/testing/messages.proto b/src/proto/grpc/testing/messages.proto
index 193b6c4171288c6968d29625f22d61229ceba3aa..a063b470c7b2e389a0663d199141829e8cf6b944 100644
--- a/src/proto/grpc/testing/messages.proto
+++ b/src/proto/grpc/testing/messages.proto
@@ -1,5 +1,5 @@
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -158,6 +158,12 @@ message StreamingOutputCallResponse {
   Payload payload = 1;
 }
 
+// For reconnect interop test only.
+// Client tells server what reconnection parameters it used.
+message ReconnectParams {
+  int32 max_reconnect_backoff_ms = 1;
+}
+
 // For reconnect interop test only.
 // Server tells client whether its reconnects are following the spec and the
 // reconnect backoffs it saw.
diff --git a/src/proto/grpc/testing/metrics.proto b/src/proto/grpc/testing/metrics.proto
index 4485d3a53b577f4f6a063f5f55aecb4e7deb145e..1202b20b8fd0f957a0ee0033fa7430ede42b0e25 100644
--- a/src/proto/grpc/testing/metrics.proto
+++ b/src/proto/grpc/testing/metrics.proto
@@ -1,5 +1,4 @@
-
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -28,26 +27,38 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// An integration test service that covers all the method signature permutations
-// of unary/streaming requests/responses.
+// Contains the definitions for a metrics service and the type of metrics
+// exposed by the service.
+//
+// Currently, 'Gauge' (i.e a metric that represents the measured value of
+// something at an instant of time) is the only metric type supported by the
+// service.
 syntax = "proto3";
 
 package grpc.testing;
 
+// Reponse message containing the gauge name and value
 message GaugeResponse {
   string name = 1;
   oneof value {
     int64 long_value = 2;
-    double double_vale = 3;
+    double double_value = 3;
     string string_value = 4;
   }
 }
 
-message GaugeRequest { string name = 1; }
+// Request message containing the gauge name
+message GaugeRequest {
+  string name = 1;
+}
 
 message EmptyMessage {}
 
 service MetricsService {
+  // Returns the values of all the gauges that are currently being maintained by
+  // the service
   rpc GetAllGauges(EmptyMessage) returns (stream GaugeResponse);
+
+  // Returns the value of one gauge
   rpc GetGauge(GaugeRequest) returns (GaugeResponse);
 }
diff --git a/src/proto/grpc/testing/services.proto b/src/proto/grpc/testing/services.proto
index a2c5fda47efb264c825a20f7d63a5f592edc8e63..f71dae34eedfbab7fc153bd0897948cc6e1fa1e5 100644
--- a/src/proto/grpc/testing/services.proto
+++ b/src/proto/grpc/testing/services.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/proto/grpc/testing/test.proto b/src/proto/grpc/testing/test.proto
index 9faba297a37e3704d02e8a3ac220b67d2bd6dc04..84369db4b8a6e93979700c420a7e12c10cd093c1 100644
--- a/src/proto/grpc/testing/test.proto
+++ b/src/proto/grpc/testing/test.proto
@@ -1,5 +1,5 @@
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -80,6 +80,6 @@ service UnimplementedService {
 
 // A service used to control reconnect server.
 service ReconnectService {
-  rpc Start(grpc.testing.Empty) returns (grpc.testing.Empty);
+  rpc Start(grpc.testing.ReconnectParams) returns (grpc.testing.Empty);
   rpc Stop(grpc.testing.Empty) returns (grpc.testing.ReconnectInfo);
 }
diff --git a/src/python/.gitignore b/src/python/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..f158efa4bf1175e69d984f39cce033221f01c93a
--- /dev/null
+++ b/src/python/.gitignore
@@ -0,0 +1 @@
+gens/
diff --git a/src/python/grpcio/README.rst b/src/python/grpcio/README.rst
index 3f4c6fad02d19baa003d3dccb5d69691857c572c..33a462b66f8577cd58aea1acf3726a9913819535 100644
--- a/src/python/grpcio/README.rst
+++ b/src/python/grpcio/README.rst
@@ -50,10 +50,43 @@ Troubleshooting
 Help, I ...
 
 * **... see a** :code:`pkg_resources.VersionConflict` **when I try to install
-  grpc!**
+  grpc**
 
   This is likely because :code:`pip` doesn't own the offending dependency,
   which in turn is likely because your operating system's package manager owns
   it. You'll need to force the installation of the dependency:
 
   :code:`pip install --ignore-installed $OFFENDING_DEPENDENCY`
+
+  For example, if you get an error like the following:
+
+  ::
+
+    Traceback (most recent call last):
+    File "<string>", line 17, in <module>
+     ...
+    File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 509, in find
+      raise VersionConflict(dist, req)
+    pkg_resources.VersionConflict: (six 1.8.0 (/usr/lib/python2.7/dist-packages), Requirement.parse('six>=1.10'))
+
+  You can fix it by doing:
+
+  ::
+
+    sudo pip install --ignore-installed six
+
+* **... see the following error on some platforms**
+
+  ::
+
+    /tmp/pip-build-U8pSsr/cython/Cython/Plex/Scanners.c:4:20: fatal error: Python.h: No such file or directory
+    #include "Python.h"
+                    ^
+    compilation terminated.
+
+  You can fix it by installing `python-dev` package. i.e
+
+  ::
+
+    sudo apt-get install python-dev
+
diff --git a/src/python/grpcio/commands.py b/src/python/grpcio/commands.py
index c1f444f6f1f07911aa1c8d50acd84d3b8bd3e354..295dab2d274b102a0649072e2b56a8682cd2a665 100644
--- a/src/python/grpcio/commands.py
+++ b/src/python/grpcio/commands.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -50,6 +50,9 @@ from setuptools.command import test
 import support
 
 PYTHON_STEM = os.path.dirname(os.path.abspath(__file__))
+GRPC_STEM = os.path.abspath(PYTHON_STEM + '../../../../')
+PROTO_STEM = os.path.join(GRPC_STEM, 'src', 'proto')
+PROTO_GEN_STEM = os.path.join(GRPC_STEM, 'src', 'python', 'gens')
 
 CONF_PY_ADDENDUM = """
 extensions.append('sphinx.ext.napoleon')
@@ -157,30 +160,45 @@ class BuildProtoModules(setuptools.Command):
     if not self.grpc_python_plugin_command:
       raise CommandError('could not find grpc_python_plugin '
                          '(protoc plugin for GRPC Python)')
+
+    if not os.path.exists(PROTO_GEN_STEM):
+      os.makedirs(PROTO_GEN_STEM)
+
     include_regex = re.compile(self.include)
     exclude_regex = re.compile(self.exclude) if self.exclude else None
     paths = []
-    root_directory = PYTHON_STEM
-    for walk_root, directories, filenames in os.walk(root_directory):
+    for walk_root, directories, filenames in os.walk(PROTO_STEM):
       for filename in filenames:
         path = os.path.join(walk_root, filename)
         if include_regex.match(path) and not (
             exclude_regex and exclude_regex.match(path)):
           paths.append(path)
-    command = [
-        self.protoc_command,
-        '--plugin=protoc-gen-python-grpc={}'.format(
-            self.grpc_python_plugin_command),
-        '-I {}'.format(root_directory),
-        '--python_out={}'.format(root_directory),
-        '--python-grpc_out={}'.format(root_directory),
-    ] + paths
-    try:
-      subprocess.check_output(' '.join(command), cwd=root_directory, shell=True,
-                              stderr=subprocess.STDOUT)
-    except subprocess.CalledProcessError as e:
-      raise CommandError('Command:\n{}\nMessage:\n{}\nOutput:\n{}'.format(
-          command, e.message, e.output))
+
+    # TODO(kpayson): It would be nice to do this in a batch command,
+    # but we currently have name conflicts in src/proto
+    for path in paths:
+      command = [
+          self.protoc_command,
+          '--plugin=protoc-gen-python-grpc={}'.format(
+              self.grpc_python_plugin_command),
+          '-I {}'.format(GRPC_STEM),
+          '--python_out={}'.format(PROTO_GEN_STEM),
+          '--python-grpc_out={}'.format(PROTO_GEN_STEM),
+      ] + [path]
+      try:
+        subprocess.check_output(' '.join(command), cwd=PYTHON_STEM, shell=True,
+                                stderr=subprocess.STDOUT)
+      except subprocess.CalledProcessError as e:
+        sys.stderr.write(
+            'warning: Command:\n{}\nMessage:\n{}\nOutput:\n{}'.format(
+                command, e.message, e.output))
+
+    # Generated proto directories dont include __init__.py, but
+    # these are needed for python package resolution
+    for walk_root, _, _ in os.walk(PROTO_GEN_STEM):
+      if walk_root != PROTO_GEN_STEM:
+        path = os.path.join(walk_root, '__init__.py')
+        open(path, 'a').close()
 
 
 class BuildProjectMetadata(setuptools.Command):
@@ -288,15 +306,9 @@ class TestLite(setuptools.Command):
       sys.exit('Test failure')
 
   def _add_eggs_to_path(self):
-    """Adds all egg files under .eggs to sys.path"""
-    # TODO(jtattemusch): there has to be a cleaner way to do this
-    import pkg_resources
-    eggs_dir = os.path.join(PYTHON_STEM, '../../../.eggs')
-    eggs = [os.path.join(eggs_dir, filename)
-            for filename in os.listdir(eggs_dir)
-            if filename.endswith('.egg')]
-    for egg in eggs:
-      sys.path.insert(0, pkg_resources.normalize_path(egg))
+    """Fetch install and test requirements"""
+    self.distribution.fetch_build_eggs(self.distribution.install_requires)
+    self.distribution.fetch_build_eggs(self.distribution.tests_require)
 
 
 class RunInterop(test.test):
diff --git a/src/python/grpcio/grpc/_adapter/_low.py b/src/python/grpcio/grpc/_adapter/_low.py
index 62fd52ab4013921144722f11e21c8ecc039afcd4..b13d8dd9dda1f8e92e45d3fc5c18be1e7be2896f 100644
--- a/src/python/grpcio/grpc/_adapter/_low.py
+++ b/src/python/grpcio/grpc/_adapter/_low.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc/_adapter/_types.py b/src/python/grpcio/grpc/_adapter/_types.py
index 3d5ab33d0084aef6d457dd63f4e153125fcc544d..8ca7ff4b6087958d597e66d9fa4add9189525301 100644
--- a/src/python/grpcio/grpc/_adapter/_types.py
+++ b/src/python/grpcio/grpc/_adapter/_types.py
@@ -31,6 +31,8 @@ import abc
 import collections
 import enum
 
+import six
+
 from grpc._cython import cygrpc
 
 
@@ -247,8 +249,7 @@ class Event(collections.namedtuple(
   """
 
 
-class CompletionQueue:
-  __metaclass__ = abc.ABCMeta
+class CompletionQueue(six.with_metaclass(abc.ABCMeta)):
 
   @abc.abstractmethod
   def __init__(self):
@@ -262,6 +263,9 @@ class CompletionQueue:
     """
     return self
 
+  def __next__(self):
+    return self.next()
+
   @abc.abstractmethod
   def next(self, deadline=float('+inf')):
     """Get the next event on this completion queue.
@@ -285,8 +289,7 @@ class CompletionQueue:
     return None
 
 
-class Call:
-  __metaclass__ = abc.ABCMeta
+class Call(six.with_metaclass(abc.ABCMeta)):
 
   @abc.abstractmethod
   def start_batch(self, ops, tag):
@@ -334,8 +337,7 @@ class Call:
     return None
 
 
-class Channel:
-  __metaclass__ = abc.ABCMeta
+class Channel(six.with_metaclass(abc.ABCMeta)):
 
   @abc.abstractmethod
   def __init__(self, target, args, credentials=None):
@@ -399,8 +401,7 @@ class Channel:
     return None
 
 
-class Server:
-  __metaclass__ = abc.ABCMeta
+class Server(six.with_metaclass(abc.ABCMeta)):
 
   @abc.abstractmethod
   def __init__(self, completion_queue, args):
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx.pxi
index d1b9c98ffc2ca6d092a7d33c0676f1d4badb527b..1bfe6344e07cfca564ac054b6e0c2e640e6fdc80 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx.pxi
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi
index d612c9079181919e3bad8c3b82790921a93cfdc2..c26bc083cf32b6e342799ded634ae63dba9f4321 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pxd.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pxd.pxi
index 305475c006074fc73bd83f829ce98fed8b72e593..a67c963684394d05a819d5a209a734f2bf909904 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pxd.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pxd.pxi
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pyx.pxi
index 09e47d422218c337da99e93d389039c4a7dea2fd..cdae39d519412a7fc75176a13f4d2fcd1e343803 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pyx.pxi
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx.pxi
index 1d7adca23ef6f313518d6b55deda0307b5587d48..94d13b5999535a55eaa57115496d7b74c395e79e 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx.pxi
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -302,6 +302,8 @@ def server_credentials_ssl(pem_root_certs, pem_key_cert_pairs,
         (<SslPemKeyCertPair>pem_key_cert_pairs[i]).c_pair)
   credentials.c_credentials = grpc_ssl_server_credentials_create(
       c_pem_root_certs, credentials.c_ssl_pem_key_cert_pairs,
-      credentials.c_ssl_pem_key_cert_pairs_count, force_client_auth, NULL)
+      credentials.c_ssl_pem_key_cert_pairs_count,
+      GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY if force_client_auth else GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE,
+      NULL)
   return credentials
 
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
index 61165cb02135c16b936915f0e203449ddf1f349a..3d158a77075ace2f330cb0d2127b9f8333babbbb 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -105,6 +105,13 @@ cdef extern from "grpc/_cython/loader.h":
     GRPC_SSL_ROOTS_OVERRIDE_FAILED_PERMANENTLY
     GRPC_SSL_ROOTS_OVERRIDE_FAILED
 
+  ctypedef enum grpc_ssl_client_certificate_request_type:
+    GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE,
+    GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY
+    GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY
+    GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY
+    GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY
+
   struct grpc_byte_buffer_reader:
     # We don't care about the internals
     pass
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/records.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/records.pyx.pxi
index 851389a261649b50619e02aa5908f850bbe4b2dd..c2202bdab2d19269f9800a9a9d3a8420dd4faebe 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/records.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/records.pyx.pxi
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -254,7 +254,7 @@ cdef class ByteBuffer:
     if self.c_byte_buffer != NULL:
       with nogil:
         grpc_byte_buffer_reader_init(&reader, self.c_byte_buffer)
-      result = b""
+      result = bytearray()
       with nogil:
         while grpc_byte_buffer_reader_next(&reader, &data_slice):
           data_slice_pointer = gpr_slice_start_ptr(data_slice)
@@ -263,7 +263,7 @@ cdef class ByteBuffer:
             result += (<char *>data_slice_pointer)[:data_slice_length]
       with nogil:
         grpc_byte_buffer_reader_destroy(&reader)
-      return result
+      return bytes(result)
     else:
       return None
 
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/server.pxd.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/server.pxd.pxi
index a344230be408307f369ae7a109698eece2014498..a35eb5ea771359c3fc4b9937268d2394134f8c48 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/server.pxd.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/server.pxd.pxi
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi
index a098f11da24c0a0799f1a9454a0045571c1f6293..8419a5906818a571512108a87a6b55c8d5f96523 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc/_cython/cygrpc.pxd b/src/python/grpcio/grpc/_cython/cygrpc.pxd
index 61b0fa788fd85060a60926c7e2e939103de2f0bc..9779534e38470454168d76f424279240df83d766 100644
--- a/src/python/grpcio/grpc/_cython/cygrpc.pxd
+++ b/src/python/grpcio/grpc/_cython/cygrpc.pxd
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc/_cython/cygrpc.pyx b/src/python/grpcio/grpc/_cython/cygrpc.pyx
index 8a0f171ee7597f9206798f90360f18ba22970a45..8823ea5ef5ec78563e939648300bdedaa096b7d4 100644
--- a/src/python/grpcio/grpc/_cython/cygrpc.pyx
+++ b/src/python/grpcio/grpc/_cython/cygrpc.pyx
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc/_cython/imports.generated.c b/src/python/grpcio/grpc/_cython/imports.generated.c
index 8bd6ae6372b02ff16257cc556123be1f322926ca..9ab0696702a6b67d7b915c076c177e9c7cb59c27 100644
--- a/src/python/grpcio/grpc/_cython/imports.generated.c
+++ b/src/python/grpcio/grpc/_cython/imports.generated.c
@@ -152,6 +152,7 @@ grpc_metadata_credentials_create_from_plugin_type grpc_metadata_credentials_crea
 grpc_secure_channel_create_type grpc_secure_channel_create_import;
 grpc_server_credentials_release_type grpc_server_credentials_release_import;
 grpc_ssl_server_credentials_create_type grpc_ssl_server_credentials_create_import;
+grpc_ssl_server_credentials_create_ex_type grpc_ssl_server_credentials_create_ex_import;
 grpc_server_add_secure_http2_port_type grpc_server_add_secure_http2_port_import;
 grpc_call_set_credentials_type grpc_call_set_credentials_import;
 grpc_server_credentials_set_auth_metadata_processor_type grpc_server_credentials_set_auth_metadata_processor_import;
@@ -174,6 +175,8 @@ grpc_byte_buffer_reader_readall_type grpc_byte_buffer_reader_readall_import;
 grpc_raw_byte_buffer_from_reader_type grpc_raw_byte_buffer_from_reader_import;
 gpr_log_type gpr_log_import;
 gpr_log_message_type gpr_log_message_import;
+gpr_set_log_verbosity_type gpr_set_log_verbosity_import;
+gpr_log_verbosity_init_type gpr_log_verbosity_init_import;
 gpr_set_log_function_type gpr_set_log_function_import;
 gpr_slice_ref_type gpr_slice_ref_import;
 gpr_slice_unref_type gpr_slice_unref_import;
@@ -418,6 +421,7 @@ void pygrpc_load_imports(HMODULE library) {
   grpc_secure_channel_create_import = (grpc_secure_channel_create_type) GetProcAddress(library, "grpc_secure_channel_create");
   grpc_server_credentials_release_import = (grpc_server_credentials_release_type) GetProcAddress(library, "grpc_server_credentials_release");
   grpc_ssl_server_credentials_create_import = (grpc_ssl_server_credentials_create_type) GetProcAddress(library, "grpc_ssl_server_credentials_create");
+  grpc_ssl_server_credentials_create_ex_import = (grpc_ssl_server_credentials_create_ex_type) GetProcAddress(library, "grpc_ssl_server_credentials_create_ex");
   grpc_server_add_secure_http2_port_import = (grpc_server_add_secure_http2_port_type) GetProcAddress(library, "grpc_server_add_secure_http2_port");
   grpc_call_set_credentials_import = (grpc_call_set_credentials_type) GetProcAddress(library, "grpc_call_set_credentials");
   grpc_server_credentials_set_auth_metadata_processor_import = (grpc_server_credentials_set_auth_metadata_processor_type) GetProcAddress(library, "grpc_server_credentials_set_auth_metadata_processor");
@@ -440,6 +444,8 @@ void pygrpc_load_imports(HMODULE library) {
   grpc_raw_byte_buffer_from_reader_import = (grpc_raw_byte_buffer_from_reader_type) GetProcAddress(library, "grpc_raw_byte_buffer_from_reader");
   gpr_log_import = (gpr_log_type) GetProcAddress(library, "gpr_log");
   gpr_log_message_import = (gpr_log_message_type) GetProcAddress(library, "gpr_log_message");
+  gpr_set_log_verbosity_import = (gpr_set_log_verbosity_type) GetProcAddress(library, "gpr_set_log_verbosity");
+  gpr_log_verbosity_init_import = (gpr_log_verbosity_init_type) GetProcAddress(library, "gpr_log_verbosity_init");
   gpr_set_log_function_import = (gpr_set_log_function_type) GetProcAddress(library, "gpr_set_log_function");
   gpr_slice_ref_import = (gpr_slice_ref_type) GetProcAddress(library, "gpr_slice_ref");
   gpr_slice_unref_import = (gpr_slice_unref_type) GetProcAddress(library, "gpr_slice_unref");
diff --git a/src/python/grpcio/grpc/_cython/imports.generated.h b/src/python/grpcio/grpc/_cython/imports.generated.h
index b70dcccd17a9f7a923bcf57a22e41301ff342469..e50051ddc75116b4cc2591f7cf51c9bfccb8247a 100644
--- a/src/python/grpcio/grpc/_cython/imports.generated.h
+++ b/src/python/grpcio/grpc/_cython/imports.generated.h
@@ -166,7 +166,7 @@ extern grpc_compression_algorithm_parse_type grpc_compression_algorithm_parse_im
 typedef int(*grpc_compression_algorithm_name_type)(grpc_compression_algorithm algorithm, char **name);
 extern grpc_compression_algorithm_name_type grpc_compression_algorithm_name_import;
 #define grpc_compression_algorithm_name grpc_compression_algorithm_name_import
-typedef grpc_compression_algorithm(*grpc_compression_algorithm_for_level_type)(grpc_compression_level level);
+typedef grpc_compression_algorithm(*grpc_compression_algorithm_for_level_type)(grpc_compression_level level, uint32_t accepted_encodings);
 extern grpc_compression_algorithm_for_level_type grpc_compression_algorithm_for_level_import;
 #define grpc_compression_algorithm_for_level grpc_compression_algorithm_for_level_import
 typedef void(*grpc_compression_options_init_type)(grpc_compression_options *opts);
@@ -283,7 +283,7 @@ extern grpc_call_destroy_type grpc_call_destroy_import;
 typedef grpc_call_error(*grpc_server_request_call_type)(grpc_server *server, grpc_call **call, grpc_call_details *details, grpc_metadata_array *request_metadata, grpc_completion_queue *cq_bound_to_call, grpc_completion_queue *cq_for_notification, void *tag_new);
 extern grpc_server_request_call_type grpc_server_request_call_import;
 #define grpc_server_request_call grpc_server_request_call_import
-typedef void *(*grpc_server_register_method_type)(grpc_server *server, const char *method, const char *host);
+typedef void *(*grpc_server_register_method_type)(grpc_server *server, const char *method, const char *host, grpc_server_register_method_payload_handling payload_handling, uint32_t flags);
 extern grpc_server_register_method_type grpc_server_register_method_import;
 #define grpc_server_register_method grpc_server_register_method_import
 typedef grpc_call_error(*grpc_server_request_registered_call_type)(grpc_server *server, void *registered_method, grpc_call **call, gpr_timespec *deadline, grpc_metadata_array *request_metadata, grpc_byte_buffer **optional_payload, grpc_completion_queue *cq_bound_to_call, grpc_completion_queue *cq_for_notification, void *tag_new);
@@ -406,6 +406,9 @@ extern grpc_server_credentials_release_type grpc_server_credentials_release_impo
 typedef grpc_server_credentials *(*grpc_ssl_server_credentials_create_type)(const char *pem_root_certs, grpc_ssl_pem_key_cert_pair *pem_key_cert_pairs, size_t num_key_cert_pairs, int force_client_auth, void *reserved);
 extern grpc_ssl_server_credentials_create_type grpc_ssl_server_credentials_create_import;
 #define grpc_ssl_server_credentials_create grpc_ssl_server_credentials_create_import
+typedef grpc_server_credentials *(*grpc_ssl_server_credentials_create_ex_type)(const char *pem_root_certs, grpc_ssl_pem_key_cert_pair *pem_key_cert_pairs, size_t num_key_cert_pairs, grpc_ssl_client_certificate_request_type client_certificate_request, void *reserved);
+extern grpc_ssl_server_credentials_create_ex_type grpc_ssl_server_credentials_create_ex_import;
+#define grpc_ssl_server_credentials_create_ex grpc_ssl_server_credentials_create_ex_import
 typedef int(*grpc_server_add_secure_http2_port_type)(grpc_server *server, const char *addr, grpc_server_credentials *creds);
 extern grpc_server_add_secure_http2_port_type grpc_server_add_secure_http2_port_import;
 #define grpc_server_add_secure_http2_port grpc_server_add_secure_http2_port_import
@@ -472,6 +475,12 @@ extern gpr_log_type gpr_log_import;
 typedef void(*gpr_log_message_type)(const char *file, int line, gpr_log_severity severity, const char *message);
 extern gpr_log_message_type gpr_log_message_import;
 #define gpr_log_message gpr_log_message_import
+typedef void(*gpr_set_log_verbosity_type)(gpr_log_severity min_severity_to_print);
+extern gpr_set_log_verbosity_type gpr_set_log_verbosity_import;
+#define gpr_set_log_verbosity gpr_set_log_verbosity_import
+typedef void(*gpr_log_verbosity_init_type)();
+extern gpr_log_verbosity_init_type gpr_log_verbosity_init_import;
+#define gpr_log_verbosity_init gpr_log_verbosity_init_import
 typedef void(*gpr_set_log_function_type)(gpr_log_func func);
 extern gpr_set_log_function_type gpr_set_log_function_import;
 #define gpr_set_log_function gpr_set_log_function_import
diff --git a/src/python/grpcio/grpc/_links/invocation.py b/src/python/grpcio/grpc/_links/invocation.py
index 5ca0a0ee606810dd3ec3070e323a989f61ff022b..003653e1c847434b59cec3a596d8b69ca70d4b98 100644
--- a/src/python/grpcio/grpc/_links/invocation.py
+++ b/src/python/grpcio/grpc/_links/invocation.py
@@ -35,6 +35,8 @@ import logging
 import threading
 import time
 
+import six
+
 from grpc._adapter import _intermediary_low
 from grpc._links import _constants
 from grpc.beta import interfaces as beta_interfaces
@@ -372,12 +374,11 @@ class _Kernel(object):
     pool.shutdown(wait=True)
 
 
-class InvocationLink(links.Link, activated.Activated):
+class InvocationLink(six.with_metaclass(abc.ABCMeta, links.Link, activated.Activated)):
   """A links.Link for use on the invocation-side of a gRPC connection.
 
   Implementations of this interface are only valid for use when activated.
   """
-  __metaclass__ = abc.ABCMeta
 
 
 class _InvocationLink(InvocationLink):
diff --git a/src/python/grpcio/grpc/_links/service.py b/src/python/grpcio/grpc/_links/service.py
index 01edee6896186defca95aa10918dd5d1b5cfa293..11310e22409d7ce4a0550cac39fee2902662b1ed 100644
--- a/src/python/grpcio/grpc/_links/service.py
+++ b/src/python/grpcio/grpc/_links/service.py
@@ -177,7 +177,7 @@ class _Kernel(object):
     call = service_acceptance.call
     call.accept(self._completion_queue, call)
     try:
-      group, method = service_acceptance.method.split('/')[1:3]
+      group, method = service_acceptance.method.split(b'/')[1:3]
     except ValueError:
       logging.info('Illegal path "%s"!', service_acceptance.method)
       return
diff --git a/src/python/grpcio/grpc/beta/_server.py b/src/python/grpcio/grpc/beta/_server.py
index 2b520cc7e5f0c9d46d2ad59b476b3b8fa40f0108..eb0aadb42f975a894ae1633f6d215910ce220967 100644
--- a/src/python/grpcio/grpc/beta/_server.py
+++ b/src/python/grpcio/grpc/beta/_server.py
@@ -62,7 +62,7 @@ class _GRPCServicer(base.Servicer):
       if e.code is None and e.details is None:
         raise base.NoSuchMethodError(
             interfaces.StatusCode.UNIMPLEMENTED,
-            b'Method "%s" of service "%s" not implemented!' % (method, group))
+            'Method "%s" of service "%s" not implemented!' % (method, group))
       else:
         raise
 
diff --git a/src/python/grpcio/grpc/beta/implementations.py b/src/python/grpcio/grpc/beta/implementations.py
index a0ca330d2c02bda4883a5643daaf08b1c0edf53d..742e94dc6526c64f31d15d1dc3faef8c6f7544df 100644
--- a/src/python/grpcio/grpc/beta/implementations.py
+++ b/src/python/grpcio/grpc/beta/implementations.py
@@ -61,15 +61,16 @@ class ChannelCredentials(object):
     self._low_credentials = low_credentials
 
 
-def ssl_channel_credentials(root_certificates, private_key, certificate_chain):
+def ssl_channel_credentials(root_certificates=None, private_key=None,
+                            certificate_chain=None):
   """Creates a ChannelCredentials for use with an SSL-enabled Channel.
 
   Args:
-    root_certificates: The PEM-encoded root certificates or None to ask for
+    root_certificates: The PEM-encoded root certificates or unset to ask for
       them to be retrieved from a default location.
-    private_key: The PEM-encoded private key to use or None if no private key
+    private_key: The PEM-encoded private key to use or unset if no private key
       should be used.
-    certificate_chain: The PEM-encoded certificate chain to use or None if no
+    certificate_chain: The PEM-encoded certificate chain to use or unset if no
       certificate chain should be used.
 
   Returns:
diff --git a/src/python/grpcio/grpc/beta/interfaces.py b/src/python/grpcio/grpc/beta/interfaces.py
index 0663119163f2eadea3e2d34319da0ae2ce3b1ed5..33ca45ac5b28f9418a7c5b1e6c772724d7500c53 100644
--- a/src/python/grpcio/grpc/beta/interfaces.py
+++ b/src/python/grpcio/grpc/beta/interfaces.py
@@ -32,6 +32,8 @@
 import abc
 import enum
 
+import six
+
 from grpc._adapter import _types
 
 
@@ -105,19 +107,17 @@ def grpc_call_options(disable_compression=False, credentials=None):
   return GRPCCallOptions(disable_compression, None, credentials)
 
 
-class GRPCAuthMetadataContext(object):
+class GRPCAuthMetadataContext(six.with_metaclass(abc.ABCMeta)):
   """Provides information to call credentials metadata plugins.
 
   Attributes:
     service_url: A string URL of the service being called into.
     method_name: A string of the fully qualified method name being called.
   """
-  __metaclass__ = abc.ABCMeta
 
 
-class GRPCAuthMetadataPluginCallback(object):
+class GRPCAuthMetadataPluginCallback(six.with_metaclass(abc.ABCMeta)):
   """Callback object received by a metadata plugin."""
-  __metaclass__ = abc.ABCMeta
 
   def __call__(self, metadata, error):
     """Inform the gRPC runtime of the metadata to construct a CallCredentials.
@@ -130,10 +130,9 @@ class GRPCAuthMetadataPluginCallback(object):
     raise NotImplementedError()
 
 
-class GRPCAuthMetadataPlugin(object):
+class GRPCAuthMetadataPlugin(six.with_metaclass(abc.ABCMeta)):
   """
   """
-  __metaclass__ = abc.ABCMeta
 
   def __call__(self, context, callback):
     """Invoke the plugin.
@@ -149,9 +148,8 @@ class GRPCAuthMetadataPlugin(object):
     raise NotImplementedError()
 
 
-class GRPCServicerContext(object):
+class GRPCServicerContext(six.with_metaclass(abc.ABCMeta)):
   """Exposes gRPC-specific options and behaviors to code servicing RPCs."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def peer(self):
@@ -168,9 +166,8 @@ class GRPCServicerContext(object):
     raise NotImplementedError()
 
 
-class GRPCInvocationContext(object):
+class GRPCInvocationContext(six.with_metaclass(abc.ABCMeta)):
   """Exposes gRPC-specific options and behaviors to code invoking RPCs."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def disable_next_request_compression(self):
@@ -178,9 +175,8 @@ class GRPCInvocationContext(object):
     raise NotImplementedError()
 
 
-class Server(object):
+class Server(six.with_metaclass(abc.ABCMeta)):
   """Services RPCs."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def add_insecure_port(self, address):
diff --git a/src/python/grpcio/grpc/framework/alpha/_face_utilities.py b/src/python/grpcio/grpc/framework/alpha/_face_utilities.py
index fb0cfe426d0614f27f381e5dd2be0fd764e33647..15c47d5c92769be03b879f65eda64f2d970342d6 100644
--- a/src/python/grpcio/grpc/framework/alpha/_face_utilities.py
+++ b/src/python/grpcio/grpc/framework/alpha/_face_utilities.py
@@ -30,6 +30,8 @@
 import abc
 import collections
 
+import six
+
 # face_interfaces is referenced from specification in this module.
 from grpc.framework.common import cardinality
 from grpc.framework.face import interfaces as face_interfaces  # pylint: disable=unused-import
@@ -45,7 +47,7 @@ def _qualified_name(service_name, method_name):
 # TODO(nathaniel): This structure is getting bloated; it could be shrunk if
 # implementations._Stub used a generic rather than a dynamic underlying
 # face-layer stub.
-class InvocationBreakdown(object):
+class InvocationBreakdown(six.with_metaclass(abc.ABCMeta)):
   """An intermediate representation of invocation-side views of RPC methods.
 
   Attributes:
@@ -61,7 +63,6 @@ class InvocationBreakdown(object):
       to callable behavior to be used deserializing response values for the
       RPC.
   """
-  __metaclass__ = abc.ABCMeta
 
 
 class _EasyInvocationBreakdown(
@@ -73,7 +74,7 @@ class _EasyInvocationBreakdown(
   pass
 
 
-class ServiceBreakdown(object):
+class ServiceBreakdown(six.with_metaclass(abc.ABCMeta)):
   """An intermediate representation of service-side views of RPC methods.
 
   Attributes:
@@ -84,7 +85,6 @@ class ServiceBreakdown(object):
     response_serializers: A dictionary from service-qualified RPC method name
       to callable behavior to be used serializing response values for the RPC.
   """
-  __metaclass__ = abc.ABCMeta
 
 
 class _EasyServiceBreakdown(
@@ -111,7 +111,7 @@ def break_down_invocation(service_name, method_descriptions):
   face_cardinalities = {}
   request_serializers = {}
   response_deserializers = {}
-  for name, method_description in method_descriptions.iteritems():
+  for name, method_description in six.iteritems(method_descriptions):
     qualified_name = _qualified_name(service_name, name)
     method_cardinality = method_description.cardinality()
     cardinalities[name] = method_description.cardinality()
@@ -139,7 +139,7 @@ def break_down_service(service_name, method_descriptions):
   implementations = {}
   request_deserializers = {}
   response_serializers = {}
-  for name, method_description in method_descriptions.iteritems():
+  for name, method_description in six.iteritems(method_descriptions):
     qualified_name = _qualified_name(service_name, name)
     method_cardinality = method_description.cardinality()
     if method_cardinality is interfaces.Cardinality.UNARY_UNARY:
diff --git a/src/python/grpcio/grpc/framework/alpha/_reexport.py b/src/python/grpcio/grpc/framework/alpha/_reexport.py
index 198cb95ad5cb81cb2585b3650a29a32e998d2401..e027077a771d9474b49f8b07566f11d9b4a01de9 100644
--- a/src/python/grpcio/grpc/framework/alpha/_reexport.py
+++ b/src/python/grpcio/grpc/framework/alpha/_reexport.py
@@ -27,6 +27,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+import six
+
 from grpc.framework.common import cardinality
 from grpc.framework.face import exceptions as face_exceptions
 from grpc.framework.face import interfaces as face_interfaces
@@ -181,7 +183,7 @@ def common_cardinality(early_adopter_cardinality):
 
 def common_cardinalities(early_adopter_cardinalities):
   common_cardinalities = {}
-  for name, early_adopter_cardinality in early_adopter_cardinalities.iteritems():
+  for name, early_adopter_cardinality in six.iteritems(early_adopter_cardinalities):
     common_cardinalities[name] = _EARLY_ADOPTER_CARDINALITY_TO_COMMON_CARDINALITY[
         early_adopter_cardinality]
   return common_cardinalities
diff --git a/src/python/grpcio/grpc/framework/alpha/exceptions.py b/src/python/grpcio/grpc/framework/alpha/exceptions.py
index 5234d3b91cebbffc07efa29c8738614ec2196460..09359c5e94fd8ec8ab59730456ee32b6c0b6b7e6 100644
--- a/src/python/grpcio/grpc/framework/alpha/exceptions.py
+++ b/src/python/grpcio/grpc/framework/alpha/exceptions.py
@@ -31,13 +31,12 @@
 
 Only GRPC should instantiate and raise these exceptions.
 """
-
 import abc
 
+import six
 
-class RpcError(Exception):
+class RpcError(six.with_metaclass(abc.ABCMeta, Exception)):
   """Common super type for all exceptions raised by GRPC."""
-  __metaclass__ = abc.ABCMeta
 
 
 class CancellationError(RpcError):
diff --git a/src/python/grpcio/grpc/framework/alpha/interfaces.py b/src/python/grpcio/grpc/framework/alpha/interfaces.py
index 8380567c97205dfa35676a314e92578e0f3631f4..48f144f614f4c350034ac31a17b4f9b4097ef8e1 100644
--- a/src/python/grpcio/grpc/framework/alpha/interfaces.py
+++ b/src/python/grpcio/grpc/framework/alpha/interfaces.py
@@ -32,6 +32,8 @@
 import abc
 import enum
 
+import six
+
 # exceptions is referenced from specification in this module.
 from grpc.framework.alpha import exceptions  # pylint: disable=unused-import
 from grpc.framework.foundation import activated
@@ -59,15 +61,17 @@ class Abortion(enum.Enum):
   SERVICER_FAILURE = 'servicer failure'
 
 
-class CancellableIterator(object):
+class CancellableIterator(six.with_metaclass(abc.ABCMeta)):
   """Implements the Iterator protocol and affords a cancel method."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __iter__(self):
     """Returns the self object in accordance with the Iterator protocol."""
     raise NotImplementedError()
 
+  def __next__(self):
+    return self.next()
+
   @abc.abstractmethod
   def next(self):
     """Returns a value or raises StopIteration per the Iterator protocol."""
@@ -79,9 +83,8 @@ class CancellableIterator(object):
     raise NotImplementedError()
 
 
-class RpcContext(object):
+class RpcContext(six.with_metaclass(abc.ABCMeta)):
   """Provides RPC-related information and action."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def is_active(self):
@@ -108,7 +111,7 @@ class RpcContext(object):
     raise NotImplementedError()
 
 
-class UnaryUnarySyncAsync(object):
+class UnaryUnarySyncAsync(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a unary-unary RPC synchronously or asynchronously.
   Values implementing this interface are directly callable and present an
   "async" method. Both calls take a request value and a numeric timeout.
@@ -117,7 +120,6 @@ class UnaryUnarySyncAsync(object):
   of a value of this type invokes its associated RPC and immediately returns a
   future.Future bound to the asynchronous execution of the RPC.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(self, request, timeout):
@@ -147,7 +149,7 @@ class UnaryUnarySyncAsync(object):
     raise NotImplementedError()
 
 
-class StreamUnarySyncAsync(object):
+class StreamUnarySyncAsync(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a stream-unary RPC synchronously or asynchronously.
   Values implementing this interface are directly callable and present an
   "async" method. Both calls take an iterator of request values and a numeric
@@ -156,7 +158,6 @@ class StreamUnarySyncAsync(object):
   of a value of this type invokes its associated RPC and immediately returns a
   future.Future bound to the asynchronous execution of the RPC.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(self, request_iterator, timeout):
@@ -191,9 +192,8 @@ class StreamUnarySyncAsync(object):
     raise NotImplementedError()
 
 
-class RpcMethodDescription(object):
+class RpcMethodDescription(six.with_metaclass(abc.ABCMeta)):
   """A type for the common aspects of RPC method descriptions."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def cardinality(self):
@@ -207,9 +207,8 @@ class RpcMethodDescription(object):
     raise NotImplementedError()
 
 
-class RpcMethodInvocationDescription(RpcMethodDescription):
+class RpcMethodInvocationDescription(six.with_metaclass(abc.ABCMeta, RpcMethodDescription)):
   """Invocation-side description of an RPC method."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def serialize_request(self, request):
@@ -240,9 +239,8 @@ class RpcMethodInvocationDescription(RpcMethodDescription):
     raise NotImplementedError()
 
 
-class RpcMethodServiceDescription(RpcMethodDescription):
+class RpcMethodServiceDescription(six.with_metaclass(abc.ABCMeta, RpcMethodDescription)):
   """Service-side description of an RPC method."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def deserialize_request(self, serialized_request):
@@ -345,7 +343,7 @@ class RpcMethodServiceDescription(RpcMethodDescription):
     raise NotImplementedError()
 
 
-class Stub(object):
+class Stub(six.with_metaclass(abc.ABCMeta)):
   """A stub with callable RPC method names for attributes.
 
   Instances of this type are context managers and only afford RPC invocation
@@ -369,12 +367,10 @@ class Stub(object):
   exceptions.RpcError, exceptions.CancellationError,
   and exceptions.ExpirationError.
   """
-  __metaclass__ = abc.ABCMeta
 
 
-class Server(activated.Activated):
+class Server(six.with_metaclass(abc.ABCMeta, activated.Activated)):
   """A GRPC Server."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def port(self):
diff --git a/src/python/grpcio/grpc/framework/base/_ingestion.py b/src/python/grpcio/grpc/framework/base/_ingestion.py
index 06d5b92f0b3fbcbd3ee4afd810a58afad22d4595..c9b10acb77a077cce26f48e55f1f2521bca24374 100644
--- a/src/python/grpcio/grpc/framework/base/_ingestion.py
+++ b/src/python/grpcio/grpc/framework/base/_ingestion.py
@@ -32,6 +32,8 @@
 import abc
 import collections
 
+import six
+
 from grpc.framework.base import _constants
 from grpc.framework.base import _interfaces
 from grpc.framework.base import exceptions
@@ -72,9 +74,8 @@ class _EmptyConsumer(stream.Consumer):
     """See stream.Consumer.consume_and_terminate for specification."""
 
 
-class _ConsumerCreator(object):
+class _ConsumerCreator(six.with_metaclass(abc.ABCMeta)):
   """Common specification of different consumer-creating behavior."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def create_consumer(self, requirement):
diff --git a/src/python/grpcio/grpc/framework/base/_interfaces.py b/src/python/grpcio/grpc/framework/base/_interfaces.py
index d88cf76590e3039a4b22ff7efb3f0a5674b50a35..6bb9837c4aca72c7bf94d33dd3eb2ae1dd89a98f 100644
--- a/src/python/grpcio/grpc/framework/base/_interfaces.py
+++ b/src/python/grpcio/grpc/framework/base/_interfaces.py
@@ -31,14 +31,15 @@
 
 import abc
 
+import six
+
 # interfaces is referenced from specification in this module.
 from grpc.framework.base import interfaces  # pylint: disable=unused-import
 from grpc.framework.foundation import stream
 
 
-class TerminationManager(object):
+class TerminationManager(six.with_metaclass(abc.ABCMeta)):
   """An object responsible for handling the termination of an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_expiration_manager(self, expiration_manager):
@@ -91,9 +92,8 @@ class TerminationManager(object):
     raise NotImplementedError()
 
 
-class TransmissionManager(object):
+class TransmissionManager(six.with_metaclass(abc.ABCMeta)):
   """A manager responsible for transmitting to the other end of an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def inmit(self, emission, complete):
@@ -117,9 +117,8 @@ class TransmissionManager(object):
     raise NotImplementedError()
 
 
-class EmissionManager(stream.Consumer):
+class EmissionManager(six.with_metaclass(abc.ABCMeta, stream.Consumer)):
   """A manager of values emitted by customer code."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_ingestion_manager_and_expiration_manager(
@@ -166,9 +165,8 @@ class EmissionManager(stream.Consumer):
     raise NotImplementedError()
 
 
-class IngestionManager(stream.Consumer):
+class IngestionManager(six.with_metaclass(abc.ABCMeta, stream.Consumer)):
   """A manager responsible for executing customer code."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_expiration_manager(self, expiration_manager):
@@ -214,9 +212,8 @@ class IngestionManager(stream.Consumer):
     raise NotImplementedError()
 
 
-class ExpirationManager(object):
+class ExpirationManager(six.with_metaclass(abc.ABCMeta)):
   """A manager responsible for aborting the operation if it runs out of time."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def change_timeout(self, timeout):
@@ -246,9 +243,8 @@ class ExpirationManager(object):
     raise NotImplementedError()
 
 
-class ReceptionManager(object):
+class ReceptionManager(six.with_metaclass(abc.ABCMeta)):
   """A manager responsible for receiving tickets from the other end."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def receive_ticket(self, ticket):
@@ -261,9 +257,8 @@ class ReceptionManager(object):
     raise NotImplementedError()
 
 
-class CancellationManager(object):
+class CancellationManager(six.with_metaclass(abc.ABCMeta)):
   """A manager of operation cancellation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def cancel(self):
diff --git a/src/python/grpcio/grpc/framework/base/_reception.py b/src/python/grpcio/grpc/framework/base/_reception.py
index dd428964f1558e1db8e443cc7ab371946c4c718d..a59c5165f9fbfaa53e2426c9417116d9d0927fd2 100644
--- a/src/python/grpcio/grpc/framework/base/_reception.py
+++ b/src/python/grpcio/grpc/framework/base/_reception.py
@@ -31,6 +31,8 @@
 
 import abc
 
+import six
+
 from grpc.framework.base import interfaces
 from grpc.framework.base import _interfaces
 
@@ -40,9 +42,8 @@ _INITIAL_FRONT_TO_BACK_TICKET_KINDS = (
 )
 
 
-class _Receiver(object):
+class _Receiver(six.with_metaclass(abc.ABCMeta)):
   """Common specification of different ticket-handling behavior."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def abort_if_abortive(self, ticket):
diff --git a/src/python/grpcio/grpc/framework/base/_transmission.py b/src/python/grpcio/grpc/framework/base/_transmission.py
index 684512923443a8ca4e85ec5989762f77180cdd04..e2a25626f1dddb1187b23f0a952b826a5062c850 100644
--- a/src/python/grpcio/grpc/framework/base/_transmission.py
+++ b/src/python/grpcio/grpc/framework/base/_transmission.py
@@ -31,6 +31,8 @@
 
 import abc
 
+import six
+
 from grpc.framework.base import _constants
 from grpc.framework.base import _interfaces
 from grpc.framework.base import interfaces
@@ -77,9 +79,8 @@ _ABORTION_OUTCOME_TO_BACK_TO_FRONT_TICKET_KIND = {
 }
 
 
-class _Ticketizer(object):
+class _Ticketizer(six.with_metaclass(abc.ABCMeta)):
   """Common specification of different ticket-creating behavior."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def ticketize(self, operation_id, sequence_number, payload, complete):
@@ -187,9 +188,8 @@ class _BackTicketizer(_Ticketizer):
           operation_id, sequence_number, kind, None)
 
 
-class TransmissionManager(_interfaces.TransmissionManager):
+class TransmissionManager(six.with_metaclass(abc.ABCMeta, _interfaces.TransmissionManager)):
   """A _interfaces.TransmissionManager on which other managers may be set."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_ingestion_and_expiration_managers(
diff --git a/src/python/grpcio/grpc/framework/base/interfaces.py b/src/python/grpcio/grpc/framework/base/interfaces.py
index e22c10d9750625b9e34590dc6275d5d4ceeee5cd..995b51cd5b935177cd6884b2556f482af789e801 100644
--- a/src/python/grpcio/grpc/framework/base/interfaces.py
+++ b/src/python/grpcio/grpc/framework/base/interfaces.py
@@ -33,6 +33,8 @@ import abc
 import collections
 import enum
 
+import six
+
 # stream is referenced from specification in this module.
 from grpc.framework.foundation import stream  # pylint: disable=unused-import
 
@@ -50,13 +52,12 @@ class Outcome(enum.Enum):
   SERVICED_FAILURE = 'serviced failure'
 
 
-class OperationContext(object):
+class OperationContext(six.with_metaclass(abc.ABCMeta)):
   """Provides operation-related information and action.
 
   Attributes:
     trace_id: A uuid.UUID identifying a particular set of related operations.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def is_active(self):
@@ -93,9 +94,8 @@ class OperationContext(object):
     raise NotImplementedError()
 
 
-class Servicer(object):
+class Servicer(six.with_metaclass(abc.ABCMeta)):
   """Interface for service implementations."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def service(self, name, context, output_consumer):
@@ -120,7 +120,7 @@ class Servicer(object):
     raise NotImplementedError()
 
 
-class Operation(object):
+class Operation(six.with_metaclass(abc.ABCMeta)):
   """Representation of an in-progress operation.
 
   Attributes:
@@ -129,7 +129,6 @@ class Operation(object):
     context: An OperationContext affording information and action about the
       operation.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def cancel(self):
@@ -137,9 +136,8 @@ class Operation(object):
     raise NotImplementedError()
 
 
-class ServicedIngestor(object):
+class ServicedIngestor(six.with_metaclass(abc.ABCMeta)):
   """Responsible for accepting the result of an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def consumer(self, operation_context):
@@ -159,7 +157,7 @@ class ServicedIngestor(object):
     raise NotImplementedError()
 
 
-class ServicedSubscription(object):
+class ServicedSubscription(six.with_metaclass(abc.ABCMeta)):
   """A sum type representing a serviced's interest in an operation.
 
   Attributes:
@@ -167,7 +165,6 @@ class ServicedSubscription(object):
     ingestor: A ServicedIngestor. Must be present if kind is Kind.FULL. Must
       be None if kind is Kind.TERMINATION_ONLY or Kind.NONE.
   """
-  __metaclass__ = abc.ABCMeta
 
   @enum.unique
   class Kind(enum.Enum):
@@ -178,9 +175,8 @@ class ServicedSubscription(object):
     NONE = 'none'
 
 
-class End(object):
+class End(six.with_metaclass(abc.ABCMeta)):
   """Common type for entry-point objects on both sides of an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def operation_stats(self):
@@ -202,9 +198,8 @@ class End(object):
     raise NotImplementedError()
 
 
-class Front(End):
+class Front(six.with_metaclass(abc.ABCMeta, End)):
   """Clientish objects that afford the invocation of operations."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def operate(
@@ -228,9 +223,8 @@ class Front(End):
     raise NotImplementedError()
 
 
-class Back(End):
+class Back(six.with_metaclass(abc.ABCMeta, End)):
   """Serverish objects that perform the work of operations."""
-  __metaclass__ = abc.ABCMeta
 
 
 class FrontToBackTicket(
@@ -315,9 +309,8 @@ class BackToFrontTicket(
     TRANSMISSION_FAILURE = 'transmission failure'
 
 
-class ForeLink(object):
+class ForeLink(six.with_metaclass(abc.ABCMeta)):
   """Accepts back-to-front tickets and emits front-to-back tickets."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def accept_back_to_front_ticket(self, ticket):
@@ -334,9 +327,8 @@ class ForeLink(object):
     raise NotImplementedError()
 
 
-class RearLink(object):
+class RearLink(six.with_metaclass(abc.ABCMeta)):
   """Accepts front-to-back tickets and emits back-to-front tickets."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def accept_front_to_back_ticket(self, ticket):
@@ -353,11 +345,9 @@ class RearLink(object):
     raise NotImplementedError()
 
 
-class FrontLink(Front, ForeLink):
+class FrontLink(six.with_metaclass(abc.ABCMeta, Front, ForeLink)):
   """Clientish objects that operate by sending and receiving tickets."""
-  __metaclass__ = abc.ABCMeta
 
 
-class BackLink(Back, RearLink):
+class BackLink(six.with_metaclass(abc.ABCMeta, Back, RearLink)):
   """Serverish objects that operate by sending and receiving tickets."""
-  __metaclass__ = abc.ABCMeta
diff --git a/src/python/grpcio/grpc/framework/core/_end.py b/src/python/grpcio/grpc/framework/core/_end.py
index 9c615672aa71ee843f976cce15b97f68012bb6e1..009d27c915c4409479562e98fe4d5ecac78b2c47 100644
--- a/src/python/grpcio/grpc/framework/core/_end.py
+++ b/src/python/grpcio/grpc/framework/core/_end.py
@@ -33,6 +33,8 @@ import abc
 import threading
 import uuid
 
+import six
+
 from grpc.framework.core import _operation
 from grpc.framework.core import _utilities
 from grpc.framework.foundation import callable_util
@@ -45,7 +47,7 @@ from grpc.framework.interfaces.links import utilities
 _IDLE_ACTION_EXCEPTION_LOG_MESSAGE = 'Exception calling idle action!'
 
 
-class End(base.End, links.Link):
+class End(six.with_metaclass(abc.ABCMeta, base.End, links.Link)):
   """A bridge between base.End and links.Link.
 
   Implementations of this interface translate arriving tickets into
@@ -53,7 +55,6 @@ class End(base.End, links.Link):
   translate calls from application objects implementing base interfaces
   into tickets sent to a joined link.
   """
-  __metaclass__ = abc.ABCMeta
 
 
 class _Cycle(object):
diff --git a/src/python/grpcio/grpc/framework/core/_ingestion.py b/src/python/grpcio/grpc/framework/core/_ingestion.py
index 4129a8ce43e10ee8d6e4217013371faf34998348..f2767c981b2e3d4c62903794d581e800dd5171f6 100644
--- a/src/python/grpcio/grpc/framework/core/_ingestion.py
+++ b/src/python/grpcio/grpc/framework/core/_ingestion.py
@@ -33,6 +33,8 @@ import abc
 import collections
 import enum
 
+import six
+
 from grpc.framework.core import _constants
 from grpc.framework.core import _interfaces
 from grpc.framework.core import _utilities
@@ -70,9 +72,8 @@ class _SubscriptionCreation(
     ABANDONED = 'abandoned'
 
 
-class _SubscriptionCreator(object):
+class _SubscriptionCreator(six.with_metaclass(abc.ABCMeta)):
   """Common specification of subscription-creating behavior."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def create(self, group, method):
diff --git a/src/python/grpcio/grpc/framework/core/_interfaces.py b/src/python/grpcio/grpc/framework/core/_interfaces.py
index ffa686b2b79b75f79859077dbb29ad59be4d3874..63ac82f80e7b3acef78225a4ae1b67def8b639b1 100644
--- a/src/python/grpcio/grpc/framework/core/_interfaces.py
+++ b/src/python/grpcio/grpc/framework/core/_interfaces.py
@@ -31,17 +31,18 @@
 
 import abc
 
+import six
+
 from grpc.framework.interfaces.base import base
 
 
-class TerminationManager(object):
+class TerminationManager(six.with_metaclass(abc.ABCMeta)):
   """An object responsible for handling the termination of an operation.
 
   Attributes:
     outcome: None if the operation is active or a base.Outcome value if it has
       terminated.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def add_callback(self, callback):
@@ -105,9 +106,8 @@ class TerminationManager(object):
     raise NotImplementedError()
 
 
-class TransmissionManager(object):
+class TransmissionManager(six.with_metaclass(abc.ABCMeta)):
   """A manager responsible for transmitting to the other end of an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def kick_off(
@@ -171,9 +171,8 @@ class TransmissionManager(object):
     raise NotImplementedError()
 
 
-class ExpirationManager(object):
+class ExpirationManager(six.with_metaclass(abc.ABCMeta)):
   """A manager responsible for aborting the operation if it runs out of time."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def change_timeout(self, timeout):
@@ -203,9 +202,8 @@ class ExpirationManager(object):
     raise NotImplementedError()
 
 
-class ProtocolManager(object):
+class ProtocolManager(six.with_metaclass(abc.ABCMeta)):
   """A manager of protocol-specific values passing through an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_protocol_receiver(self, protocol_receiver):
@@ -228,9 +226,8 @@ class ProtocolManager(object):
     raise NotImplementedError()
 
 
-class EmissionManager(base.Operator):
+class EmissionManager(six.with_metaclass(abc.ABCMeta, base.Operator)):
   """A manager of values emitted by customer code."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def advance(
@@ -254,14 +251,13 @@ class EmissionManager(base.Operator):
     raise NotImplementedError()
 
 
-class IngestionManager(object):
+class IngestionManager(six.with_metaclass(abc.ABCMeta)):
   """A manager responsible for executing customer code.
 
   This name of this manager comes from its responsibility to pass successive
   values from the other side of the operation into the code of the local
   customer.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_group_and_method(self, group, method):
@@ -294,9 +290,8 @@ class IngestionManager(object):
     raise NotImplementedError()
 
 
-class ReceptionManager(object):
+class ReceptionManager(six.with_metaclass(abc.ABCMeta)):
   """A manager responsible for receiving tickets from the other end."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def receive_ticket(self, ticket):
@@ -308,7 +303,7 @@ class ReceptionManager(object):
     raise NotImplementedError()
 
 
-class Operation(object):
+class Operation(six.with_metaclass(abc.ABCMeta)):
   """An ongoing operation.
 
   Attributes:
@@ -316,7 +311,6 @@ class Operation(object):
     operator: A base.Operator object for the operation for use by the customer
       of the operation.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def handle_ticket(self, ticket):
diff --git a/src/python/grpcio/grpc/framework/core/_termination.py b/src/python/grpcio/grpc/framework/core/_termination.py
index 364158b2b8764003b89f0d93939d0ce8e8c7793b..fff3a3fc146fc7324bc594716a4a7b2dd6f674f0 100644
--- a/src/python/grpcio/grpc/framework/core/_termination.py
+++ b/src/python/grpcio/grpc/framework/core/_termination.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -31,6 +31,8 @@
 
 import abc
 
+import six
+
 from grpc.framework.core import _constants
 from grpc.framework.core import _interfaces
 from grpc.framework.core import _utilities
@@ -50,9 +52,8 @@ def _service_completion_predicate(
   return transmission_complete and ingestion_complete
 
 
-class TerminationManager(_interfaces.TerminationManager):
+class TerminationManager(six.with_metaclass(abc.ABCMeta, _interfaces.TerminationManager)):
   """A _interfaces.TransmissionManager on which another manager may be set."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_expiration_manager(self, expiration_manager):
diff --git a/src/python/grpcio/grpc/framework/crust/_control.py b/src/python/grpcio/grpc/framework/crust/_control.py
index 5e9efdf7322790c3f5c790907c30ed231fd5eefc..9b4167bda0c20dbab18a7f0ae95b017fc31f4de4 100644
--- a/src/python/grpcio/grpc/framework/crust/_control.py
+++ b/src/python/grpcio/grpc/framework/crust/_control.py
@@ -405,6 +405,9 @@ class Rendezvous(base.Operator, future.Future, stream.Consumer, face.Call):
   def __iter__(self):
     return self
 
+  def __next__(self):
+    return self.next()
+
   def next(self):
     with self._condition:
       while True:
diff --git a/src/python/grpcio/grpc/framework/crust/implementations.py b/src/python/grpcio/grpc/framework/crust/implementations.py
index 4ebc4e9ae8599934dc334d44486fd12f8074f5a6..2d3ab733b6a92280a7e1720cc4d3fb0d672bef6f 100644
--- a/src/python/grpcio/grpc/framework/crust/implementations.py
+++ b/src/python/grpcio/grpc/framework/crust/implementations.py
@@ -29,6 +29,8 @@
 
 """Entry points into the Crust layer of RPC Framework."""
 
+import six
+
 from grpc.framework.common import cardinality
 from grpc.framework.common import style
 from grpc.framework.crust import _calls
@@ -271,7 +273,7 @@ class _DynamicStub(face.DynamicStub):
 
 def _adapt_method_implementations(method_implementations, pool):
   adapted_implementations = {}
-  for name, method_implementation in method_implementations.iteritems():
+  for name, method_implementation in six.iteritems(method_implementations):
     if method_implementation.style is style.Service.INLINE:
       if method_implementation.cardinality is cardinality.Cardinality.UNARY_UNARY:
         adapted_implementations[name] = _service.adapt_inline_unary_unary(
diff --git a/src/python/grpcio/grpc/framework/face/_control.py b/src/python/grpcio/grpc/framework/face/_control.py
index e918907b749461d4082259248e157691eaad4a7d..539615efa18143e92cc8d853858c8295575b31bd 100644
--- a/src/python/grpcio/grpc/framework/face/_control.py
+++ b/src/python/grpcio/grpc/framework/face/_control.py
@@ -120,6 +120,9 @@ class Rendezvous(stream.Consumer):
   def __iter__(self):
     return self
 
+  def __next__(self):
+    return self.next()
+
   def next(self):
     with self._condition:
       while ((self._abortion is None) and
diff --git a/src/python/grpcio/grpc/framework/face/exceptions.py b/src/python/grpcio/grpc/framework/face/exceptions.py
index f112df70bc694ba0aed9e6f22067d086366a2d8d..f95455604d5798d09cde0044a4feecec935abe07 100644
--- a/src/python/grpcio/grpc/framework/face/exceptions.py
+++ b/src/python/grpcio/grpc/framework/face/exceptions.py
@@ -31,6 +31,8 @@
 
 import abc
 
+import six
+
 
 class NoSuchMethodError(Exception):
   """Raised by customer code to indicate an unrecognized RPC method name.
@@ -49,12 +51,11 @@ class NoSuchMethodError(Exception):
     self.name = name
 
 
-class RpcError(Exception):
+class RpcError(six.with_metaclass(abc.ABCMeta, Exception)):
   """Common super type for all exceptions raised by the Face layer.
 
   Only RPC Framework should instantiate and raise these exceptions.
   """
-  __metaclass__ = abc.ABCMeta
 
 
 class CancellationError(RpcError):
diff --git a/src/python/grpcio/grpc/framework/face/implementations.py b/src/python/grpcio/grpc/framework/face/implementations.py
index 4a6de52974ed623ce557c15282971d56bfdb4dfe..96055b413000801f8f54d6a9be04a4063c0188a5 100644
--- a/src/python/grpcio/grpc/framework/face/implementations.py
+++ b/src/python/grpcio/grpc/framework/face/implementations.py
@@ -29,6 +29,8 @@
 
 """Entry points into the Face layer of RPC Framework."""
 
+import six
+
 from grpc.framework.common import cardinality
 from grpc.framework.common import style
 from grpc.framework.base import exceptions as _base_exceptions
@@ -228,7 +230,7 @@ class _DynamicStub(interfaces.DynamicStub):
 
 def _adapt_method_implementations(method_implementations, pool):
   adapted_implementations = {}
-  for name, method_implementation in method_implementations.iteritems():
+  for name, method_implementation in six.iteritems(method_implementations):
     if method_implementation.style is style.Service.INLINE:
       if method_implementation.cardinality is cardinality.Cardinality.UNARY_UNARY:
         adapted_implementations[name] = _service.adapt_inline_value_in_value_out(
diff --git a/src/python/grpcio/grpc/framework/face/interfaces.py b/src/python/grpcio/grpc/framework/face/interfaces.py
index b7cc4c1169ab9e87ca29511105f8a227699c870f..e9a25c17e1952e1dce4c5432f91eae1917208a58 100644
--- a/src/python/grpcio/grpc/framework/face/interfaces.py
+++ b/src/python/grpcio/grpc/framework/face/interfaces.py
@@ -32,6 +32,8 @@
 import abc
 import enum
 
+import six
+
 # cardinality, style, exceptions, abandonment, future, and stream are
 # referenced from specification in this module.
 from grpc.framework.common import cardinality  # pylint: disable=unused-import
@@ -52,15 +54,17 @@ class Abortion(enum.Enum):
   SERVICER_FAILURE = 'servicer failure'
 
 
-class CancellableIterator(object):
+class CancellableIterator(six.with_metaclass(abc.ABCMeta)):
   """Implements the Iterator protocol and affords a cancel method."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __iter__(self):
     """Returns the self object in accordance with the Iterator protocol."""
     raise NotImplementedError()
 
+  def __next__(self):
+    return self.next()
+
   @abc.abstractmethod
   def next(self):
     """Returns a value or raises StopIteration per the Iterator protocol."""
@@ -72,9 +76,8 @@ class CancellableIterator(object):
     raise NotImplementedError()
 
 
-class RpcContext(object):
+class RpcContext(six.with_metaclass(abc.ABCMeta)):
   """Provides RPC-related information and action."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def is_active(self):
@@ -103,13 +106,12 @@ class RpcContext(object):
     raise NotImplementedError()
 
 
-class Call(object):
+class Call(six.with_metaclass(abc.ABCMeta)):
   """Invocation-side representation of an RPC.
 
   Attributes:
     context: An RpcContext affording information about the RPC.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def cancel(self):
@@ -117,9 +119,8 @@ class Call(object):
     raise NotImplementedError()
 
 
-class UnaryUnaryMultiCallable(object):
+class UnaryUnaryMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a unary-unary RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(self, request, timeout):
@@ -171,9 +172,8 @@ class UnaryUnaryMultiCallable(object):
     raise NotImplementedError()
 
 
-class UnaryStreamMultiCallable(object):
+class UnaryStreamMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a unary-stream RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(self, request, timeout):
@@ -209,9 +209,8 @@ class UnaryStreamMultiCallable(object):
     raise NotImplementedError()
 
 
-class StreamUnaryMultiCallable(object):
+class StreamUnaryMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a stream-unary RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(self, request_iterator, timeout):
@@ -264,9 +263,8 @@ class StreamUnaryMultiCallable(object):
     raise NotImplementedError()
 
 
-class StreamStreamMultiCallable(object):
+class StreamStreamMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a stream-stream RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(self, request_iterator, timeout):
@@ -302,7 +300,7 @@ l    Args:
     raise NotImplementedError()
 
 
-class MethodImplementation(object):
+class MethodImplementation(six.with_metaclass(abc.ABCMeta)):
   """A sum type that describes an RPC method implementation.
 
   Attributes:
@@ -347,12 +345,10 @@ class MethodImplementation(object):
       is cardinality.Cardinality.STREAM_STREAM and style is
       style.Service.EVENT.
   """
-  __metaclass__ = abc.ABCMeta
 
 
-class MultiMethodImplementation(object):
+class MultiMethodImplementation(six.with_metaclass(abc.ABCMeta)):
   """A general type able to service many RPC methods."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def service(self, name, response_consumer, context):
@@ -381,9 +377,8 @@ class MultiMethodImplementation(object):
     raise NotImplementedError()
 
 
-class GenericStub(object):
+class GenericStub(six.with_metaclass(abc.ABCMeta)):
   """Affords RPC methods to callers."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def blocking_value_in_value_out(self, name, request, timeout):
@@ -622,7 +617,7 @@ class GenericStub(object):
     raise NotImplementedError()
 
 
-class DynamicStub(object):
+class DynamicStub(six.with_metaclass(abc.ABCMeta)):
   """A stub with RPC-method-bound multi-callable attributes.
 
   Instances of this type responsd to attribute access as follows: if the
@@ -637,4 +632,3 @@ class DynamicStub(object):
   the attribute will be a StreamStreamMultiCallable with which to invoke the
   RPC method.
   """
-  __metaclass__ = abc.ABCMeta
diff --git a/src/python/grpcio/grpc/framework/foundation/activated.py b/src/python/grpcio/grpc/framework/foundation/activated.py
index 426a71c7059eb7c866865c3d898e69eef504c6b6..8b8e4f45b5cc5ed79c0ad556349bf4559965a9f9 100644
--- a/src/python/grpcio/grpc/framework/foundation/activated.py
+++ b/src/python/grpcio/grpc/framework/foundation/activated.py
@@ -31,14 +31,14 @@
 
 import abc
 
+import six
 
-class Activated(object):
+class Activated(six.with_metaclass(abc.ABCMeta)):
   """Interface for objects that may be started and stopped.
 
   Values implementing this type must also implement the context manager
   protocol.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __enter__(self):
diff --git a/src/python/grpcio/grpc/framework/foundation/callable_util.py b/src/python/grpcio/grpc/framework/foundation/callable_util.py
index 32b0751a01c3fc253ab6c6a9e4f6d9e09dd6cda7..4f029f97bb84893f05815a0b778d60d12d28cf91 100644
--- a/src/python/grpcio/grpc/framework/foundation/callable_util.py
+++ b/src/python/grpcio/grpc/framework/foundation/callable_util.py
@@ -35,8 +35,10 @@ import enum
 import functools
 import logging
 
+import six
 
-class Outcome(object):
+
+class Outcome(six.with_metaclass(abc.ABCMeta)):
   """A sum type describing the outcome of some call.
 
   Attributes:
@@ -47,7 +49,6 @@ class Outcome(object):
     exception: The exception raised by the call. Must be present if kind is
       Kind.RAISED.
   """
-  __metaclass__ = abc.ABCMeta
 
   @enum.unique
   class Kind(enum.Enum):
diff --git a/src/python/grpcio/grpc/framework/foundation/future.py b/src/python/grpcio/grpc/framework/foundation/future.py
index bfc16fc1eaa2f679933300512fa143ff8b5210f2..92106161504941452f31978117052a5a2722460e 100644
--- a/src/python/grpcio/grpc/framework/foundation/future.py
+++ b/src/python/grpcio/grpc/framework/foundation/future.py
@@ -49,6 +49,8 @@ built-in-but-only-in-3.3-and-later TimeoutError.
 
 import abc
 
+import six
+
 
 class TimeoutError(Exception):
   """Indicates that a particular call timed out."""
@@ -58,13 +60,12 @@ class CancelledError(Exception):
   """Indicates that the computation underlying a Future was cancelled."""
 
 
-class Future(object):
+class Future(six.with_metaclass(abc.ABCMeta)):
   """A representation of a computation in another control flow.
 
   Computations represented by a Future may be yet to be begun, may be ongoing,
   or may have already completed.
   """
-  __metaclass__ = abc.ABCMeta
 
   # NOTE(nathaniel): This isn't the return type that I would want to have if it
   # were up to me. Were this interface being written from scratch, the return
diff --git a/src/python/grpcio/grpc/framework/foundation/logging_pool.py b/src/python/grpcio/grpc/framework/foundation/logging_pool.py
index f82c7f7fbaebf917f2e30cffd1a63ce5454f562c..9b469a1452e0dafd6cd72d86a556f748d4e2aa8a 100644
--- a/src/python/grpcio/grpc/framework/foundation/logging_pool.py
+++ b/src/python/grpcio/grpc/framework/foundation/logging_pool.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc/framework/foundation/relay.py b/src/python/grpcio/grpc/framework/foundation/relay.py
index 9c23946552093dc27173bce191047d90e7926f2d..20f41b2738808e8dda7cd430c7cfb5beacd0e63f 100644
--- a/src/python/grpcio/grpc/framework/foundation/relay.py
+++ b/src/python/grpcio/grpc/framework/foundation/relay.py
@@ -46,7 +46,6 @@ class Relay(object):
   would be no reason to use an implementation of this interface instead of a
   thread pool.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def add_value(self, value):
diff --git a/src/python/grpcio/grpc/framework/foundation/stream.py b/src/python/grpcio/grpc/framework/foundation/stream.py
index 75c0cf145b493d4b81e66c8ffc3da30c8d91483a..ddd6cc496a9dc8c196032ac23bc16e837d909fd2 100644
--- a/src/python/grpcio/grpc/framework/foundation/stream.py
+++ b/src/python/grpcio/grpc/framework/foundation/stream.py
@@ -31,10 +31,10 @@
 
 import abc
 
+import six
 
-class Consumer(object):
+class Consumer(six.with_metaclass(abc.ABCMeta)):
   """Interface for consumers of finite streams of values or objects."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def consume(self, value):
diff --git a/src/python/grpcio/grpc/framework/foundation/stream_util.py b/src/python/grpcio/grpc/framework/foundation/stream_util.py
index 2210e4efcf03ba2d5efa43c2ed69553989784e1b..a6f234f1feb1caf355def0e2ab3536bbfc17e2f3 100644
--- a/src/python/grpcio/grpc/framework/foundation/stream_util.py
+++ b/src/python/grpcio/grpc/framework/foundation/stream_util.py
@@ -83,6 +83,9 @@ class IterableConsumer(stream.Consumer):
   def __iter__(self):
     return self
 
+  def __next__(self):
+    return self.next()
+
   def next(self):
     with self._condition:
       while self._active and not self._values:
diff --git a/src/python/grpcio/grpc/framework/interfaces/base/base.py b/src/python/grpcio/grpc/framework/interfaces/base/base.py
index a1e70be5e8d419ecb9c2b63c0c39b458588fee89..a2ddd9c474730383461186685627afb3f5138cf4 100644
--- a/src/python/grpcio/grpc/framework/interfaces/base/base.py
+++ b/src/python/grpcio/grpc/framework/interfaces/base/base.py
@@ -42,6 +42,8 @@ import abc
 import enum
 import threading  # pylint: disable=unused-import
 
+import six
+
 # abandonment is referenced from specification in this module.
 from grpc.framework.foundation import abandonment  # pylint: disable=unused-import
 
@@ -95,7 +97,7 @@ class Outcome(object):
     REMOTE_FAILURE = 'remote failure'
 
 
-class Completion(object):
+class Completion(six.with_metaclass(abc.ABCMeta)):
   """An aggregate of the values exchanged upon operation completion.
 
   Attributes:
@@ -103,12 +105,10 @@ class Completion(object):
     code: A code value for the operation.
     message: A message value for the operation.
   """
-  __metaclass__ = abc.ABCMeta
 
 
-class OperationContext(object):
+class OperationContext(six.with_metaclass(abc.ABCMeta)):
   """Provides operation-related information and action."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def outcome(self):
@@ -162,9 +162,8 @@ class OperationContext(object):
     raise NotImplementedError()
 
 
-class Operator(object):
+class Operator(six.with_metaclass(abc.ABCMeta)):
   """An interface through which to participate in an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def advance(
@@ -184,9 +183,8 @@ class Operator(object):
     """
     raise NotImplementedError()
 
-class ProtocolReceiver(object):
+class ProtocolReceiver(six.with_metaclass(abc.ABCMeta)):
   """A means of receiving protocol values during an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def context(self, protocol_context):
@@ -198,7 +196,7 @@ class ProtocolReceiver(object):
     raise NotImplementedError()
 
 
-class Subscription(object):
+class Subscription(six.with_metaclass(abc.ABCMeta)):
   """Describes customer code's interest in values from the other side.
 
   Attributes:
@@ -216,7 +214,6 @@ class Subscription(object):
       become available during the operation. Must be non-None if kind is
       Kind.FULL.
   """
-  __metaclass__ = abc.ABCMeta
 
   @enum.unique
   class Kind(enum.Enum):
@@ -226,9 +223,8 @@ class Subscription(object):
     FULL = 'full'
 
 
-class Servicer(object):
+class Servicer(six.with_metaclass(abc.ABCMeta)):
   """Interface for service implementations."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def service(self, group, method, context, output_operator):
@@ -255,9 +251,8 @@ class Servicer(object):
     raise NotImplementedError()
 
 
-class End(object):
+class End(six.with_metaclass(abc.ABCMeta)):
   """Common type for entry-point objects on both sides of an operation."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def start(self):
diff --git a/src/python/grpcio/grpc/framework/interfaces/face/face.py b/src/python/grpcio/grpc/framework/interfaces/face/face.py
index 404c3a7937aa58b9f958df1bab27977cc85e6128..4826e7fff647db8ce32cf2263a8ee6b342886293 100644
--- a/src/python/grpcio/grpc/framework/interfaces/face/face.py
+++ b/src/python/grpcio/grpc/framework/interfaces/face/face.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -33,6 +33,8 @@ import abc
 import collections
 import enum
 
+import six
+
 # cardinality, style, abandonment, future, and stream are
 # referenced from specification in this module.
 from grpc.framework.common import cardinality  # pylint: disable=unused-import
@@ -96,7 +98,7 @@ class Abortion(
     REMOTE_FAILURE = 'remote failure'
 
 
-class AbortionError(Exception):
+class AbortionError(six.with_metaclass(abc.ABCMeta, Exception)):
   """Common super type for exceptions indicating RPC abortion.
 
     initial_metadata: The initial metadata from the other side of the RPC or
@@ -108,7 +110,6 @@ class AbortionError(Exception):
     details: The details value from the other side of the RPC or None if no
       details value was received.
   """
-  __metaclass__ = abc.ABCMeta
 
   def __init__(self, initial_metadata, terminal_metadata, code, details):
     super(AbortionError, self).__init__()
@@ -150,9 +151,8 @@ class RemoteError(AbortionError):
   """Indicates that an RPC has terminated due to a remote defect."""
 
 
-class RpcContext(object):
+class RpcContext(six.with_metaclass(abc.ABCMeta)):
   """Provides RPC-related information and action."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def is_active(self):
@@ -199,9 +199,8 @@ class RpcContext(object):
     raise NotImplementedError()
 
 
-class Call(RpcContext):
+class Call(six.with_metaclass(abc.ABCMeta, RpcContext)):
   """Invocation-side utility object for an RPC."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def initial_metadata(self):
@@ -256,9 +255,8 @@ class Call(RpcContext):
     raise NotImplementedError()
 
 
-class ServicerContext(RpcContext):
+class ServicerContext(six.with_metaclass(abc.ABCMeta, RpcContext)):
   """A context object passed to method implementations."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def invocation_metadata(self):
@@ -326,9 +324,8 @@ class ServicerContext(RpcContext):
     raise NotImplementedError()
 
 
-class ResponseReceiver(object):
+class ResponseReceiver(six.with_metaclass(abc.ABCMeta)):
   """Invocation-side object used to accept the output of an RPC."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def initial_metadata(self, initial_metadata):
@@ -362,9 +359,8 @@ class ResponseReceiver(object):
     raise NotImplementedError()
 
 
-class UnaryUnaryMultiCallable(object):
+class UnaryUnaryMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a unary-unary RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(
@@ -434,9 +430,8 @@ class UnaryUnaryMultiCallable(object):
     raise NotImplementedError()
 
 
-class UnaryStreamMultiCallable(object):
+class UnaryStreamMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a unary-stream RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(self, request, timeout, metadata=None, protocol_options=None):
@@ -480,9 +475,8 @@ class UnaryStreamMultiCallable(object):
     raise NotImplementedError()
 
 
-class StreamUnaryMultiCallable(object):
+class StreamUnaryMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a stream-unary RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(
@@ -553,9 +547,8 @@ class StreamUnaryMultiCallable(object):
     raise NotImplementedError()
 
 
-class StreamStreamMultiCallable(object):
+class StreamStreamMultiCallable(six.with_metaclass(abc.ABCMeta)):
   """Affords invoking a stream-stream RPC in any call style."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def __call__(
@@ -600,7 +593,7 @@ class StreamStreamMultiCallable(object):
     raise NotImplementedError()
 
 
-class MethodImplementation(object):
+class MethodImplementation(six.with_metaclass(abc.ABCMeta)):
   """A sum type that describes a method implementation.
 
   Attributes:
@@ -643,12 +636,10 @@ class MethodImplementation(object):
       is cardinality.Cardinality.STREAM_STREAM and style is
       style.Service.EVENT.
   """
-  __metaclass__ = abc.ABCMeta
 
 
-class MultiMethodImplementation(object):
+class MultiMethodImplementation(six.with_metaclass(abc.ABCMeta)):
   """A general type able to service many methods."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def service(self, group, method, response_consumer, context):
@@ -678,9 +669,8 @@ class MultiMethodImplementation(object):
     raise NotImplementedError()
 
 
-class GenericStub(object):
+class GenericStub(six.with_metaclass(abc.ABCMeta)):
   """Affords RPC invocation via generic methods."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def blocking_unary_unary(
@@ -977,7 +967,7 @@ class GenericStub(object):
     raise NotImplementedError()
 
 
-class DynamicStub(object):
+class DynamicStub(six.with_metaclass(abc.ABCMeta)):
   """Affords RPC invocation via attributes corresponding to afforded methods.
 
   Instances of this type may be scoped to a single group so that attribute
@@ -993,4 +983,3 @@ class DynamicStub(object):
   if the requested attribute is the name of a stream-stream method, the value of
   the attribute will be a StreamStreamMultiCallable with which to invoke an RPC.
   """
-  __metaclass__ = abc.ABCMeta
diff --git a/src/python/grpcio/grpc/framework/interfaces/links/links.py b/src/python/grpcio/grpc/framework/interfaces/links/links.py
index 24f0e3b354517f90bb25ce53e1fd4e981c8a71be..9631b19078e2a3a5d6db3b09073a548b65302888 100644
--- a/src/python/grpcio/grpc/framework/interfaces/links/links.py
+++ b/src/python/grpcio/grpc/framework/interfaces/links/links.py
@@ -33,6 +33,8 @@ import abc
 import collections
 import enum
 
+import six
+
 
 class Protocol(collections.namedtuple('Protocol', ('kind', 'value',))):
   """A sum type for handles to a system that transmits tickets.
@@ -123,9 +125,8 @@ class Ticket(
     REMOTE_FAILURE = 'remote failure'
 
 
-class Link(object):
+class Link(six.with_metaclass(abc.ABCMeta)):
   """Accepts and emits tickets."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def accept_ticket(self, ticket):
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index 31e16e04912bb623b93d915910fa6435678972ce..c5a0a398b43097cf06f65782589f982615403cce 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -30,210 +30,215 @@
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio/grpc_core_dependencies.py.template`!!!
 
 CORE_SOURCE_FILES = [
-  'src/core/profiling/basic_timers.c',
-  'src/core/profiling/stap_timers.c',
-  'src/core/support/alloc.c',
-  'src/core/support/avl.c',
-  'src/core/support/backoff.c',
-  'src/core/support/cmdline.c',
-  'src/core/support/cpu_iphone.c',
-  'src/core/support/cpu_linux.c',
-  'src/core/support/cpu_posix.c',
-  'src/core/support/cpu_windows.c',
-  'src/core/support/env_linux.c',
-  'src/core/support/env_posix.c',
-  'src/core/support/env_win32.c',
-  'src/core/support/histogram.c',
-  'src/core/support/host_port.c',
-  'src/core/support/load_file.c',
-  'src/core/support/log.c',
-  'src/core/support/log_android.c',
-  'src/core/support/log_linux.c',
-  'src/core/support/log_posix.c',
-  'src/core/support/log_win32.c',
-  'src/core/support/murmur_hash.c',
-  'src/core/support/slice.c',
-  'src/core/support/slice_buffer.c',
-  'src/core/support/stack_lockfree.c',
-  'src/core/support/string.c',
-  'src/core/support/string_posix.c',
-  'src/core/support/string_win32.c',
-  'src/core/support/subprocess_posix.c',
-  'src/core/support/subprocess_windows.c',
-  'src/core/support/sync.c',
-  'src/core/support/sync_posix.c',
-  'src/core/support/sync_win32.c',
-  'src/core/support/thd.c',
-  'src/core/support/thd_posix.c',
-  'src/core/support/thd_win32.c',
-  'src/core/support/time.c',
-  'src/core/support/time_posix.c',
-  'src/core/support/time_precise.c',
-  'src/core/support/time_win32.c',
-  'src/core/support/tls_pthread.c',
-  'src/core/support/tmpfile_posix.c',
-  'src/core/support/tmpfile_win32.c',
-  'src/core/support/wrap_memcpy.c',
-  'src/core/census/grpc_context.c',
-  'src/core/census/grpc_filter.c',
-  'src/core/channel/channel_args.c',
-  'src/core/channel/channel_stack.c',
-  'src/core/channel/client_channel.c',
-  'src/core/channel/client_uchannel.c',
-  'src/core/channel/compress_filter.c',
-  'src/core/channel/connected_channel.c',
-  'src/core/channel/http_client_filter.c',
-  'src/core/channel/http_server_filter.c',
-  'src/core/channel/subchannel_call_holder.c',
-  'src/core/client_config/client_config.c',
-  'src/core/client_config/connector.c',
-  'src/core/client_config/default_initial_connect_string.c',
-  'src/core/client_config/initial_connect_string.c',
-  'src/core/client_config/lb_policies/load_balancer_api.c',
-  'src/core/client_config/lb_policies/pick_first.c',
-  'src/core/client_config/lb_policies/round_robin.c',
-  'src/core/client_config/lb_policy.c',
-  'src/core/client_config/lb_policy_factory.c',
-  'src/core/client_config/lb_policy_registry.c',
-  'src/core/client_config/resolver.c',
-  'src/core/client_config/resolver_factory.c',
-  'src/core/client_config/resolver_registry.c',
-  'src/core/client_config/resolvers/dns_resolver.c',
-  'src/core/client_config/resolvers/sockaddr_resolver.c',
-  'src/core/client_config/subchannel.c',
-  'src/core/client_config/subchannel_factory.c',
-  'src/core/client_config/subchannel_index.c',
-  'src/core/client_config/uri_parser.c',
-  'src/core/compression/compression_algorithm.c',
-  'src/core/compression/message_compress.c',
-  'src/core/debug/trace.c',
-  'src/core/httpcli/format_request.c',
-  'src/core/httpcli/httpcli.c',
-  'src/core/httpcli/parser.c',
-  'src/core/iomgr/closure.c',
-  'src/core/iomgr/endpoint.c',
-  'src/core/iomgr/endpoint_pair_posix.c',
-  'src/core/iomgr/endpoint_pair_windows.c',
-  'src/core/iomgr/exec_ctx.c',
-  'src/core/iomgr/executor.c',
-  'src/core/iomgr/fd_posix.c',
-  'src/core/iomgr/iocp_windows.c',
-  'src/core/iomgr/iomgr.c',
-  'src/core/iomgr/iomgr_posix.c',
-  'src/core/iomgr/iomgr_windows.c',
-  'src/core/iomgr/pollset_multipoller_with_epoll.c',
-  'src/core/iomgr/pollset_multipoller_with_poll_posix.c',
-  'src/core/iomgr/pollset_posix.c',
-  'src/core/iomgr/pollset_set_posix.c',
-  'src/core/iomgr/pollset_set_windows.c',
-  'src/core/iomgr/pollset_windows.c',
-  'src/core/iomgr/resolve_address_posix.c',
-  'src/core/iomgr/resolve_address_windows.c',
-  'src/core/iomgr/sockaddr_utils.c',
-  'src/core/iomgr/socket_utils_common_posix.c',
-  'src/core/iomgr/socket_utils_linux.c',
-  'src/core/iomgr/socket_utils_posix.c',
-  'src/core/iomgr/socket_windows.c',
-  'src/core/iomgr/tcp_client_posix.c',
-  'src/core/iomgr/tcp_client_windows.c',
-  'src/core/iomgr/tcp_posix.c',
-  'src/core/iomgr/tcp_server_posix.c',
-  'src/core/iomgr/tcp_server_windows.c',
-  'src/core/iomgr/tcp_windows.c',
-  'src/core/iomgr/time_averaged_stats.c',
-  'src/core/iomgr/timer.c',
-  'src/core/iomgr/timer_heap.c',
-  'src/core/iomgr/udp_server.c',
-  'src/core/iomgr/wakeup_fd_eventfd.c',
-  'src/core/iomgr/wakeup_fd_nospecial.c',
-  'src/core/iomgr/wakeup_fd_pipe.c',
-  'src/core/iomgr/wakeup_fd_posix.c',
-  'src/core/iomgr/workqueue_posix.c',
-  'src/core/iomgr/workqueue_windows.c',
-  'src/core/json/json.c',
-  'src/core/json/json_reader.c',
-  'src/core/json/json_string.c',
-  'src/core/json/json_writer.c',
-  'src/core/proto/grpc/lb/v0/load_balancer.pb.c',
-  'src/core/surface/alarm.c',
-  'src/core/surface/api_trace.c',
-  'src/core/surface/byte_buffer.c',
-  'src/core/surface/byte_buffer_reader.c',
-  'src/core/surface/call.c',
-  'src/core/surface/call_details.c',
-  'src/core/surface/call_log_batch.c',
-  'src/core/surface/channel.c',
-  'src/core/surface/channel_connectivity.c',
-  'src/core/surface/channel_create.c',
-  'src/core/surface/channel_ping.c',
-  'src/core/surface/completion_queue.c',
-  'src/core/surface/event_string.c',
-  'src/core/surface/init.c',
-  'src/core/surface/lame_client.c',
-  'src/core/surface/metadata_array.c',
-  'src/core/surface/server.c',
-  'src/core/surface/server_chttp2.c',
-  'src/core/surface/server_create.c',
-  'src/core/surface/validate_metadata.c',
-  'src/core/surface/version.c',
-  'src/core/transport/byte_stream.c',
-  'src/core/transport/chttp2/alpn.c',
-  'src/core/transport/chttp2/bin_encoder.c',
-  'src/core/transport/chttp2/frame_data.c',
-  'src/core/transport/chttp2/frame_goaway.c',
-  'src/core/transport/chttp2/frame_ping.c',
-  'src/core/transport/chttp2/frame_rst_stream.c',
-  'src/core/transport/chttp2/frame_settings.c',
-  'src/core/transport/chttp2/frame_window_update.c',
-  'src/core/transport/chttp2/hpack_encoder.c',
-  'src/core/transport/chttp2/hpack_parser.c',
-  'src/core/transport/chttp2/hpack_table.c',
-  'src/core/transport/chttp2/huffsyms.c',
-  'src/core/transport/chttp2/incoming_metadata.c',
-  'src/core/transport/chttp2/parsing.c',
-  'src/core/transport/chttp2/status_conversion.c',
-  'src/core/transport/chttp2/stream_lists.c',
-  'src/core/transport/chttp2/stream_map.c',
-  'src/core/transport/chttp2/timeout_encoding.c',
-  'src/core/transport/chttp2/varint.c',
-  'src/core/transport/chttp2/writing.c',
-  'src/core/transport/chttp2_transport.c',
-  'src/core/transport/connectivity_state.c',
-  'src/core/transport/metadata.c',
-  'src/core/transport/metadata_batch.c',
-  'src/core/transport/static_metadata.c',
-  'src/core/transport/transport.c',
-  'src/core/transport/transport_op_string.c',
-  'src/core/httpcli/httpcli_security_connector.c',
-  'src/core/security/b64.c',
-  'src/core/security/client_auth_filter.c',
-  'src/core/security/credentials.c',
-  'src/core/security/credentials_metadata.c',
-  'src/core/security/credentials_posix.c',
-  'src/core/security/credentials_win32.c',
-  'src/core/security/google_default_credentials.c',
-  'src/core/security/handshake.c',
-  'src/core/security/json_token.c',
-  'src/core/security/jwt_verifier.c',
-  'src/core/security/secure_endpoint.c',
-  'src/core/security/security_connector.c',
-  'src/core/security/security_context.c',
-  'src/core/security/server_auth_filter.c',
-  'src/core/security/server_secure_chttp2.c',
-  'src/core/surface/init_secure.c',
-  'src/core/surface/secure_channel_create.c',
-  'src/core/tsi/fake_transport_security.c',
-  'src/core/tsi/ssl_transport_security.c',
-  'src/core/tsi/transport_security.c',
-  'src/core/census/context.c',
-  'src/core/census/initialize.c',
-  'src/core/census/mlog.c',
-  'src/core/census/operation.c',
-  'src/core/census/placeholders.c',
-  'src/core/census/tracing.c',
+  'src/core/lib/profiling/basic_timers.c',
+  'src/core/lib/profiling/stap_timers.c',
+  'src/core/lib/support/alloc.c',
+  'src/core/lib/support/avl.c',
+  'src/core/lib/support/backoff.c',
+  'src/core/lib/support/cmdline.c',
+  'src/core/lib/support/cpu_iphone.c',
+  'src/core/lib/support/cpu_linux.c',
+  'src/core/lib/support/cpu_posix.c',
+  'src/core/lib/support/cpu_windows.c',
+  'src/core/lib/support/env_linux.c',
+  'src/core/lib/support/env_posix.c',
+  'src/core/lib/support/env_win32.c',
+  'src/core/lib/support/histogram.c',
+  'src/core/lib/support/host_port.c',
+  'src/core/lib/support/load_file.c',
+  'src/core/lib/support/log.c',
+  'src/core/lib/support/log_android.c',
+  'src/core/lib/support/log_linux.c',
+  'src/core/lib/support/log_posix.c',
+  'src/core/lib/support/log_win32.c',
+  'src/core/lib/support/murmur_hash.c',
+  'src/core/lib/support/slice.c',
+  'src/core/lib/support/slice_buffer.c',
+  'src/core/lib/support/stack_lockfree.c',
+  'src/core/lib/support/string.c',
+  'src/core/lib/support/string_posix.c',
+  'src/core/lib/support/string_win32.c',
+  'src/core/lib/support/subprocess_posix.c',
+  'src/core/lib/support/subprocess_windows.c',
+  'src/core/lib/support/sync.c',
+  'src/core/lib/support/sync_posix.c',
+  'src/core/lib/support/sync_win32.c',
+  'src/core/lib/support/thd.c',
+  'src/core/lib/support/thd_posix.c',
+  'src/core/lib/support/thd_win32.c',
+  'src/core/lib/support/time.c',
+  'src/core/lib/support/time_posix.c',
+  'src/core/lib/support/time_precise.c',
+  'src/core/lib/support/time_win32.c',
+  'src/core/lib/support/tls_pthread.c',
+  'src/core/lib/support/tmpfile_posix.c',
+  'src/core/lib/support/tmpfile_win32.c',
+  'src/core/lib/support/wrap_memcpy.c',
+  'src/core/lib/surface/init.c',
+  'src/core/lib/channel/channel_args.c',
+  'src/core/lib/channel/channel_stack.c',
+  'src/core/lib/channel/channel_stack_builder.c',
+  'src/core/lib/channel/compress_filter.c',
+  'src/core/lib/channel/connected_channel.c',
+  'src/core/lib/channel/http_client_filter.c',
+  'src/core/lib/channel/http_server_filter.c',
+  'src/core/lib/compression/compression_algorithm.c',
+  'src/core/lib/compression/message_compress.c',
+  'src/core/lib/debug/trace.c',
+  'src/core/lib/http/format_request.c',
+  'src/core/lib/http/httpcli.c',
+  'src/core/lib/http/parser.c',
+  'src/core/lib/iomgr/closure.c',
+  'src/core/lib/iomgr/endpoint.c',
+  'src/core/lib/iomgr/endpoint_pair_posix.c',
+  'src/core/lib/iomgr/endpoint_pair_windows.c',
+  'src/core/lib/iomgr/ev_poll_and_epoll_posix.c',
+  'src/core/lib/iomgr/ev_posix.c',
+  'src/core/lib/iomgr/exec_ctx.c',
+  'src/core/lib/iomgr/executor.c',
+  'src/core/lib/iomgr/iocp_windows.c',
+  'src/core/lib/iomgr/iomgr.c',
+  'src/core/lib/iomgr/iomgr_posix.c',
+  'src/core/lib/iomgr/iomgr_windows.c',
+  'src/core/lib/iomgr/pollset_set_windows.c',
+  'src/core/lib/iomgr/pollset_windows.c',
+  'src/core/lib/iomgr/resolve_address_posix.c',
+  'src/core/lib/iomgr/resolve_address_windows.c',
+  'src/core/lib/iomgr/sockaddr_utils.c',
+  'src/core/lib/iomgr/socket_utils_common_posix.c',
+  'src/core/lib/iomgr/socket_utils_linux.c',
+  'src/core/lib/iomgr/socket_utils_posix.c',
+  'src/core/lib/iomgr/socket_windows.c',
+  'src/core/lib/iomgr/tcp_client_posix.c',
+  'src/core/lib/iomgr/tcp_client_windows.c',
+  'src/core/lib/iomgr/tcp_posix.c',
+  'src/core/lib/iomgr/tcp_server_posix.c',
+  'src/core/lib/iomgr/tcp_server_windows.c',
+  'src/core/lib/iomgr/tcp_windows.c',
+  'src/core/lib/iomgr/time_averaged_stats.c',
+  'src/core/lib/iomgr/timer.c',
+  'src/core/lib/iomgr/timer_heap.c',
+  'src/core/lib/iomgr/udp_server.c',
+  'src/core/lib/iomgr/unix_sockets_posix.c',
+  'src/core/lib/iomgr/unix_sockets_posix_noop.c',
+  'src/core/lib/iomgr/wakeup_fd_eventfd.c',
+  'src/core/lib/iomgr/wakeup_fd_nospecial.c',
+  'src/core/lib/iomgr/wakeup_fd_pipe.c',
+  'src/core/lib/iomgr/wakeup_fd_posix.c',
+  'src/core/lib/iomgr/workqueue_posix.c',
+  'src/core/lib/iomgr/workqueue_windows.c',
+  'src/core/lib/json/json.c',
+  'src/core/lib/json/json_reader.c',
+  'src/core/lib/json/json_string.c',
+  'src/core/lib/json/json_writer.c',
+  'src/core/lib/surface/alarm.c',
+  'src/core/lib/surface/api_trace.c',
+  'src/core/lib/surface/byte_buffer.c',
+  'src/core/lib/surface/byte_buffer_reader.c',
+  'src/core/lib/surface/call.c',
+  'src/core/lib/surface/call_details.c',
+  'src/core/lib/surface/call_log_batch.c',
+  'src/core/lib/surface/channel.c',
+  'src/core/lib/surface/channel_init.c',
+  'src/core/lib/surface/channel_ping.c',
+  'src/core/lib/surface/channel_stack_type.c',
+  'src/core/lib/surface/completion_queue.c',
+  'src/core/lib/surface/event_string.c',
+  'src/core/lib/surface/lame_client.c',
+  'src/core/lib/surface/metadata_array.c',
+  'src/core/lib/surface/server.c',
+  'src/core/lib/surface/validate_metadata.c',
+  'src/core/lib/surface/version.c',
+  'src/core/lib/transport/byte_stream.c',
+  'src/core/lib/transport/connectivity_state.c',
+  'src/core/lib/transport/metadata.c',
+  'src/core/lib/transport/metadata_batch.c',
+  'src/core/lib/transport/static_metadata.c',
+  'src/core/lib/transport/transport.c',
+  'src/core/lib/transport/transport_op_string.c',
+  'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
+  'src/core/ext/transport/chttp2/transport/bin_encoder.c',
+  'src/core/ext/transport/chttp2/transport/chttp2_plugin.c',
+  'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
+  'src/core/ext/transport/chttp2/transport/frame_data.c',
+  'src/core/ext/transport/chttp2/transport/frame_goaway.c',
+  'src/core/ext/transport/chttp2/transport/frame_ping.c',
+  'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
+  'src/core/ext/transport/chttp2/transport/frame_settings.c',
+  'src/core/ext/transport/chttp2/transport/frame_window_update.c',
+  'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
+  'src/core/ext/transport/chttp2/transport/hpack_parser.c',
+  'src/core/ext/transport/chttp2/transport/hpack_table.c',
+  'src/core/ext/transport/chttp2/transport/huffsyms.c',
+  'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
+  'src/core/ext/transport/chttp2/transport/parsing.c',
+  'src/core/ext/transport/chttp2/transport/status_conversion.c',
+  'src/core/ext/transport/chttp2/transport/stream_lists.c',
+  'src/core/ext/transport/chttp2/transport/stream_map.c',
+  'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
+  'src/core/ext/transport/chttp2/transport/varint.c',
+  'src/core/ext/transport/chttp2/transport/writing.c',
+  'src/core/ext/transport/chttp2/alpn/alpn.c',
+  'src/core/lib/http/httpcli_security_connector.c',
+  'src/core/lib/security/b64.c',
+  'src/core/lib/security/client_auth_filter.c',
+  'src/core/lib/security/credentials.c',
+  'src/core/lib/security/credentials_metadata.c',
+  'src/core/lib/security/credentials_posix.c',
+  'src/core/lib/security/credentials_win32.c',
+  'src/core/lib/security/google_default_credentials.c',
+  'src/core/lib/security/handshake.c',
+  'src/core/lib/security/json_token.c',
+  'src/core/lib/security/jwt_verifier.c',
+  'src/core/lib/security/secure_endpoint.c',
+  'src/core/lib/security/security_connector.c',
+  'src/core/lib/security/security_context.c',
+  'src/core/lib/security/server_auth_filter.c',
+  'src/core/lib/surface/init_secure.c',
+  'src/core/lib/tsi/fake_transport_security.c',
+  'src/core/lib/tsi/ssl_transport_security.c',
+  'src/core/lib/tsi/transport_security.c',
+  'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
+  'src/core/ext/client_config/channel_connectivity.c',
+  'src/core/ext/client_config/client_channel.c',
+  'src/core/ext/client_config/client_channel_factory.c',
+  'src/core/ext/client_config/client_config.c',
+  'src/core/ext/client_config/client_config_plugin.c',
+  'src/core/ext/client_config/connector.c',
+  'src/core/ext/client_config/default_initial_connect_string.c',
+  'src/core/ext/client_config/initial_connect_string.c',
+  'src/core/ext/client_config/lb_policy.c',
+  'src/core/ext/client_config/lb_policy_factory.c',
+  'src/core/ext/client_config/lb_policy_registry.c',
+  'src/core/ext/client_config/parse_address.c',
+  'src/core/ext/client_config/resolver.c',
+  'src/core/ext/client_config/resolver_factory.c',
+  'src/core/ext/client_config/resolver_registry.c',
+  'src/core/ext/client_config/subchannel.c',
+  'src/core/ext/client_config/subchannel_call_holder.c',
+  'src/core/ext/client_config/subchannel_index.c',
+  'src/core/ext/client_config/uri_parser.c',
+  'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
+  'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
+  'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
+  'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c',
   'third_party/nanopb/pb_common.c',
   'third_party/nanopb/pb_decode.c',
   'third_party/nanopb/pb_encode.c',
+  'src/core/ext/lb_policy/pick_first/pick_first.c',
+  'src/core/ext/lb_policy/round_robin/round_robin.c',
+  'src/core/ext/resolver/dns/native/dns_resolver.c',
+  'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
+  'src/core/ext/census/context.c',
+  'src/core/ext/census/grpc_context.c',
+  'src/core/ext/census/grpc_filter.c',
+  'src/core/ext/census/grpc_plugin.c',
+  'src/core/ext/census/initialize.c',
+  'src/core/ext/census/mlog.c',
+  'src/core/ext/census/operation.c',
+  'src/core/ext/census/placeholders.c',
+  'src/core/ext/census/tracing.c',
+  'src/core/plugin_registry/grpc_plugin_registry.c',
   'src/boringssl/err_data.c',
   'third_party/boringssl/crypto/aes/aes.c',
   'third_party/boringssl/crypto/aes/mode_wrappers.c',
@@ -306,6 +311,7 @@ CORE_SOURCE_FILES = [
   'third_party/boringssl/crypto/bn/shift.c',
   'third_party/boringssl/crypto/bn/sqrt.c',
   'third_party/boringssl/crypto/buf/buf.c',
+  'third_party/boringssl/crypto/bytestring/asn1_compat.c',
   'third_party/boringssl/crypto/bytestring/ber.c',
   'third_party/boringssl/crypto/bytestring/cbb.c',
   'third_party/boringssl/crypto/bytestring/cbs.c',
@@ -329,6 +335,7 @@ CORE_SOURCE_FILES = [
   'third_party/boringssl/crypto/cpu-intel.c',
   'third_party/boringssl/crypto/crypto.c',
   'third_party/boringssl/crypto/curve25519/curve25519.c',
+  'third_party/boringssl/crypto/curve25519/x25519-x86_64.c',
   'third_party/boringssl/crypto/des/des.c',
   'third_party/boringssl/crypto/dh/check.c',
   'third_party/boringssl/crypto/dh/dh.c',
@@ -520,6 +527,7 @@ CORE_SOURCE_FILES = [
   'third_party/boringssl/ssl/ssl_buffer.c',
   'third_party/boringssl/ssl/ssl_cert.c',
   'third_party/boringssl/ssl/ssl_cipher.c',
+  'third_party/boringssl/ssl/ssl_ecdh.c',
   'third_party/boringssl/ssl/ssl_file.c',
   'third_party/boringssl/ssl/ssl_lib.c',
   'third_party/boringssl/ssl/ssl_rsa.c',
diff --git a/src/python/grpcio/grpc_version.py b/src/python/grpcio/grpc_version.py
index 75b88cfd61eeeaa52dd297dcffb4823193e7cb57..873b4e2a9131341a75eb35ecd26bee1dadb5c844 100644
--- a/src/python/grpcio/grpc_version.py
+++ b/src/python/grpcio/grpc_version.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/precompiled.py b/src/python/grpcio/precompiled.py
index d34250b02c4130f7db0596f7194420731428d0d3..b6aa7fc90eeaafdf9f4bf780c2a6440925cb830c 100644
--- a/src/python/grpcio/precompiled.py
+++ b/src/python/grpcio/precompiled.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -91,6 +91,9 @@ class BuildTaggedExt(setuptools.Command):
 
 
 def update_setup_arguments(setup_arguments):
+  if not USE_PRECOMPILED_BINARIES:
+    sys.stderr.write('not using precompiled extension')
+    return
   url = '{}/{}.so'.format(BINARIES_REPOSITORY, _tagged_ext_name('cygrpc'))
   target_path = os.path.join(PYTHON_STEM, 'grpc/_cython/cygrpc.so')
   try:
diff --git a/src/python/grpcio/tests/__init__.py b/src/python/grpcio/tests/__init__.py
index b76b3985a192d275f2e2a99811d81fc1da6b3704..a70a1b1f1df837dcfe440f497242f83539ed1b09 100644
--- a/src/python/grpcio/tests/__init__.py
+++ b/src/python/grpcio/tests/__init__.py
@@ -27,6 +27,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+from __future__ import absolute_import
+
 from tests import _loader
 from tests import _runner
 
diff --git a/src/python/grpcio/tests/_loader.py b/src/python/grpcio/tests/_loader.py
index 6992029b5e801c0bedf17c89f30c7a6b7c56d054..c2f097f6c61be4fd8f0f647e3594b48f0babfc7d 100644
--- a/src/python/grpcio/tests/_loader.py
+++ b/src/python/grpcio/tests/_loader.py
@@ -27,6 +27,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+from __future__ import absolute_import
+
 import importlib
 import pkgutil
 import re
diff --git a/src/python/grpcio/tests/_result.py b/src/python/grpcio/tests/_result.py
index 0670be921f83eb362809430d9f0069eb0c7fafb3..1acec6a9b59c60b2efc293f9cfdd0778a8b24d54 100644
--- a/src/python/grpcio/tests/_result.py
+++ b/src/python/grpcio/tests/_result.py
@@ -27,7 +27,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-import cStringIO as StringIO
+from __future__ import absolute_import
+
 import collections
 import itertools
 import traceback
@@ -35,6 +36,7 @@ import unittest
 from xml.etree import ElementTree
 
 import coverage
+from six import moves
 
 from tests import _loader
 
@@ -202,7 +204,7 @@ class AugmentedResult(unittest.TestResult):
     """
     case_id = self.id_map(test)
     self.cases[case_id] = self.cases[case_id].updated(
-        stdout=stdout, stderr=stderr)
+        stdout=stdout.decode(), stderr=stderr.decode())
 
   def augmented_results(self, filter):
     """Convenience method to retrieve filtered case results.
@@ -356,7 +358,7 @@ def _traceback_string(type, value, trace):
   Returns:
     str: Formatted exception descriptive string.
   """
-  buffer = StringIO.StringIO()
+  buffer = moves.cStringIO()
   traceback.print_exception(type, value, trace, file=buffer)
   return buffer.getvalue()
 
diff --git a/src/python/grpcio/tests/_runner.py b/src/python/grpcio/tests/_runner.py
index 32a31ce00e15c1dabecfd2b235efcd012a7a275b..f0718573e2c3bdf8430a75f15ff73b8f43fc9061 100644
--- a/src/python/grpcio/tests/_runner.py
+++ b/src/python/grpcio/tests/_runner.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -27,7 +27,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-import cStringIO as StringIO
+from __future__ import absolute_import
+
 import collections
 import fcntl
 import multiprocessing
@@ -35,80 +36,59 @@ import os
 import select
 import signal
 import sys
+import tempfile
 import threading
 import time
 import unittest
 import uuid
 
+import six
+from six import moves
+
 from tests import _loader
 from tests import _result
 
-# This number needs to be large enough to outpace output on stdout and stderr
-# from the gRPC core, otherwise we could end up in a potential deadlock. This
-# stems from the OS waiting on someone to clear a filled pipe buffer while the
-# GIL is held from a write to stderr from gRPC core, but said someone is in
-# Python code thus necessitating GIL acquisition.
-_READ_BYTES = 2**20
 
+class CaptureFile(object):
+  """A context-managed file to redirect output to a byte array.
 
-class CapturePipe(object):
-  """A context-manager pipe to redirect output to a byte array.
+  Use by invoking `start` (`__enter__`) and at some point invoking `stop`
+  (`__exit__`). At any point after the initial call to `start` call `output` to
+  get the current redirected output. Note that we don't currently use file
+  locking, so calling `output` between calls to `start` and `stop` may muddle
+  the result (you should only be doing this during a Python-handled interrupt as
+  a last ditch effort to provide output to the user).
 
   Attributes:
-    _redirect_fd (int): File descriptor of file to redirect writes from.
+    _redirected_fd (int): File descriptor of file to redirect writes from.
     _saved_fd (int): A copy of the original value of the redirected file
       descriptor.
-    _read_thread (threading.Thread or None): Thread upon which reads through the
-      pipe are performed. Only non-None when self is started.
-    _read_fd (int or None): File descriptor of the read end of the redirect
-      pipe. Only non-None when self is started.
-    _write_fd (int or None): File descriptor of the write end of the redirect
-      pipe. Only non-None when self is started.
-    output (bytearray or None): Redirected output from writes to the redirected
-      file descriptor. Only valid during and after self has started.
+    _into_file (TemporaryFile or None): File to which writes are redirected.
+      Only non-None when self is started.
   """
 
   def __init__(self, fd):
-    self._redirect_fd = fd
-    self._saved_fd = os.dup(self._redirect_fd)
-    self._read_thread = None
-    self._read_fd = None
-    self._write_fd = None
-    self.output = None
+    self._redirected_fd = fd
+    self._saved_fd = os.dup(self._redirected_fd)
+    self._into_file = None
+
+  def output(self):
+    """Get all output from the redirected-to file if it exists."""
+    if self._into_file:
+      self._into_file.seek(0)
+      return bytes(self._into_file.read())
+    else:
+      return bytes()
 
   def start(self):
     """Start redirection of writes to the file descriptor."""
-    self._read_fd, self._write_fd = os.pipe()
-    os.dup2(self._write_fd, self._redirect_fd)
-    flags = fcntl.fcntl(self._read_fd, fcntl.F_GETFL)
-    fcntl.fcntl(self._read_fd, fcntl.F_SETFL, flags | os.O_NONBLOCK)
-    self._read_thread = threading.Thread(target=self._read)
-    # If the user wants to exit from the Python program and hits ctrl-C and the
-    # read thread is somehow deadlocked with something else, the Python code may
-    # refuse to exit. This prevents that by making the read thread second-class.
-    self._read_thread.daemon = True
-    self._read_thread.start()
+    self._into_file = tempfile.TemporaryFile()
+    os.dup2(self._into_file.fileno(), self._redirected_fd)
 
   def stop(self):
     """Stop redirection of writes to the file descriptor."""
-    os.close(self._write_fd)
-    os.dup2(self._saved_fd, self._redirect_fd)  # auto-close self._redirect_fd
-    self._read_thread.join()
-    self._read_thread = None
-    # we waited for the read thread to finish, so _read_fd has been read and we
-    # can close it.
-    os.close(self._read_fd)
-
-  def _read(self):
-    """Read-thread target for self."""
-    self.output = bytearray()
-    while True:
-      select.select([self._read_fd], [], [])
-      read_bytes = os.read(self._read_fd, _READ_BYTES)
-      if read_bytes:
-        self.output.extend(read_bytes)
-      else:
-        break
+    # n.b. this dup2 call auto-closes self._redirected_fd
+    os.dup2(self._saved_fd, self._redirected_fd)
 
   def write_bypass(self, value):
     """Bypass the redirection and write directly to the original file.
@@ -116,6 +96,8 @@ class CapturePipe(object):
     Arguments:
       value (str): What to write to the original file.
     """
+    if six.PY3 and not isinstance(value, six.binary_type):
+      value = bytes(value, 'ascii')
     if self._saved_fd is None:
       os.write(self._redirect_fd, value)
     else:
@@ -167,11 +149,11 @@ class Runner(object):
                        for case in filtered_cases]
     case_id_by_case = dict((augmented_case.case, augmented_case.id)
                            for augmented_case in augmented_cases)
-    result_out = StringIO.StringIO()
+    result_out = moves.cStringIO()
     result = _result.TerminalResult(
         result_out, id_map=lambda case: case_id_by_case[case])
-    stdout_pipe = CapturePipe(sys.stdout.fileno())
-    stderr_pipe = CapturePipe(sys.stderr.fileno())
+    stdout_pipe = CaptureFile(sys.stdout.fileno())
+    stderr_pipe = CaptureFile(sys.stderr.fileno())
     kill_flag = [False]
 
     def sigint_handler(signal_number, frame):
@@ -182,7 +164,8 @@ class Runner(object):
     def fault_handler(signal_number, frame):
       stdout_pipe.write_bypass(
           'Received fault signal {}\nstdout:\n{}\n\nstderr:{}\n'
-          .format(signal_number, stdout_pipe.output, stderr_pipe.output))
+          .format(signal_number, stdout_pipe.output(),
+                  stderr_pipe.output()))
       os._exit(1)
 
     def check_kill_self():
@@ -191,9 +174,9 @@ class Runner(object):
         result.stopTestRun()
         stdout_pipe.write_bypass(result_out.getvalue())
         stdout_pipe.write_bypass(
-            '\ninterrupted stdout:\n{}\n'.format(stdout_pipe.output))
+            '\ninterrupted stdout:\n{}\n'.format(stdout_pipe.output().decode()))
         stderr_pipe.write_bypass(
-            '\ninterrupted stderr:\n{}\n'.format(stderr_pipe.output))
+            '\ninterrupted stderr:\n{}\n'.format(stderr_pipe.output().decode()))
         os._exit(1)
     signal.signal(signal.SIGINT, sigint_handler)
     signal.signal(signal.SIGSEGV, fault_handler)
@@ -223,7 +206,7 @@ class Runner(object):
         # re-raise the exception after forcing the with-block to end
         raise
       result.set_output(
-          augmented_case.case, stdout_pipe.output, stderr_pipe.output)
+          augmented_case.case, stdout_pipe.output(), stderr_pipe.output())
       sys.stdout.write(result_out.getvalue())
       sys.stdout.flush()
       result_out.truncate(0)
@@ -236,7 +219,7 @@ class Runner(object):
     sys.stdout.write(result_out.getvalue())
     sys.stdout.flush()
     signal.signal(signal.SIGINT, signal.SIG_DFL)
-    with open('report.xml', 'w') as report_xml_file:
+    with open('report.xml', 'wb') as report_xml_file:
       _result.jenkins_junit_xml(result).write(report_xml_file)
     return result
 
diff --git a/src/python/grpcio/tests/interop/_insecure_interop_test.py b/src/python/grpcio/tests/interop/_insecure_interop_test.py
index 00b49aba374970f65af47bc97747fea87f40d9f9..91519b6fba20a758b34a976e50a5a9fc0edb07b4 100644
--- a/src/python/grpcio/tests/interop/_insecure_interop_test.py
+++ b/src/python/grpcio/tests/interop/_insecure_interop_test.py
@@ -32,11 +32,11 @@
 import unittest
 
 from grpc.beta import implementations
+from src.proto.grpc.testing import test_pb2
 
 from tests.interop import _interop_test_case
 from tests.interop import methods
 from tests.interop import server
-from tests.interop import test_pb2
 
 
 class InsecureInteropTest(
diff --git a/src/python/grpcio/tests/interop/_secure_interop_test.py b/src/python/grpcio/tests/interop/_secure_interop_test.py
index 7e3061133f1119b7cf49f9b0ce46c1f815c21078..c61547b97780c6ba28ba480a475020653fd1d3e8 100644
--- a/src/python/grpcio/tests/interop/_secure_interop_test.py
+++ b/src/python/grpcio/tests/interop/_secure_interop_test.py
@@ -32,11 +32,11 @@
 import unittest
 
 from grpc.beta import implementations
+from src.proto.grpc.testing import test_pb2
 
 from tests.interop import _interop_test_case
 from tests.interop import methods
 from tests.interop import resources
-from tests.interop import test_pb2
 
 from tests.unit.beta import test_utilities
 
@@ -56,7 +56,7 @@ class SecureInteropTest(
     self.stub = test_pb2.beta_create_TestService_stub(
         test_utilities.not_really_secure_channel(
             '[::]', port, implementations.ssl_channel_credentials(
-                resources.test_root_certificates(), None, None),
+                resources.test_root_certificates()),
                 _SERVER_HOST_OVERRIDE))
 
   def tearDown(self):
diff --git a/src/python/grpcio/tests/interop/client.py b/src/python/grpcio/tests/interop/client.py
index 573ec2bd714a114d20b545d488c93328e3f2c41d..db29eb4aa761a2a4f10ad0eb0d304fa0c9b220a1 100644
--- a/src/python/grpcio/tests/interop/client.py
+++ b/src/python/grpcio/tests/interop/client.py
@@ -33,10 +33,10 @@ import argparse
 from oauth2client import client as oauth2client_client
 
 from grpc.beta import implementations
+from src.proto.grpc.testing import test_pb2
 
 from tests.interop import methods
 from tests.interop import resources
-from tests.interop import test_pb2
 from tests.unit.beta import test_utilities
 
 _ONE_DAY_IN_SECONDS = 60 * 60 * 24
@@ -94,7 +94,7 @@ def _stub(args):
 
     channel = test_utilities.not_really_secure_channel(
         args.server_host, args.server_port,
-        implementations.ssl_channel_credentials(root_certificates, None, None),
+        implementations.ssl_channel_credentials(root_certificates),
         args.server_host_override)
     stub = test_pb2.beta_create_TestService_stub(
         channel, metadata_transformer=metadata_transformer)
diff --git a/src/python/grpcio/tests/interop/messages.proto b/src/python/grpcio/tests/interop/messages.proto
deleted file mode 100644
index 193b6c4171288c6968d29625f22d61229ceba3aa..0000000000000000000000000000000000000000
--- a/src/python/grpcio/tests/interop/messages.proto
+++ /dev/null
@@ -1,167 +0,0 @@
-
-// Copyright 2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Message definitions to be used by integration test service definitions.
-
-syntax = "proto3";
-
-package grpc.testing;
-
-// The type of payload that should be returned.
-enum PayloadType {
-  // Compressable text format.
-  COMPRESSABLE = 0;
-
-  // Uncompressable binary format.
-  UNCOMPRESSABLE = 1;
-
-  // Randomly chosen from all other formats defined in this enum.
-  RANDOM = 2;
-}
-
-// Compression algorithms
-enum CompressionType {
-  // No compression
-  NONE = 0;
-  GZIP = 1;
-  DEFLATE = 2;
-}
-
-// A block of data, to simply increase gRPC message size.
-message Payload {
-  // The type of data in body.
-  PayloadType type = 1;
-  // Primary contents of payload.
-  bytes body = 2;
-}
-
-// A protobuf representation for grpc status. This is used by test
-// clients to specify a status that the server should attempt to return.
-message EchoStatus {
-  int32 code = 1;
-  string message = 2;
-}
-
-// Unary request.
-message SimpleRequest {
-  // Desired payload type in the response from the server.
-  // If response_type is RANDOM, server randomly chooses one from other formats.
-  PayloadType response_type = 1;
-
-  // Desired payload size in the response from the server.
-  // If response_type is COMPRESSABLE, this denotes the size before compression.
-  int32 response_size = 2;
-
-  // Optional input payload sent along with the request.
-  Payload payload = 3;
-
-  // Whether SimpleResponse should include username.
-  bool fill_username = 4;
-
-  // Whether SimpleResponse should include OAuth scope.
-  bool fill_oauth_scope = 5;
-
-  // Compression algorithm to be used by the server for the response (stream)
-  CompressionType response_compression = 6;
-
-  // Whether server should return a given status
-  EchoStatus response_status = 7;
-}
-
-// Unary response, as configured by the request.
-message SimpleResponse {
-  // Payload to increase message size.
-  Payload payload = 1;
-  // The user the request came from, for verifying authentication was
-  // successful when the client expected it.
-  string username = 2;
-  // OAuth scope.
-  string oauth_scope = 3;
-}
-
-// Client-streaming request.
-message StreamingInputCallRequest {
-  // Optional input payload sent along with the request.
-  Payload payload = 1;
-
-  // Not expecting any payload from the response.
-}
-
-// Client-streaming response.
-message StreamingInputCallResponse {
-  // Aggregated size of payloads received from the client.
-  int32 aggregated_payload_size = 1;
-}
-
-// Configuration for a particular response.
-message ResponseParameters {
-  // Desired payload sizes in responses from the server.
-  // If response_type is COMPRESSABLE, this denotes the size before compression.
-  int32 size = 1;
-
-  // Desired interval between consecutive responses in the response stream in
-  // microseconds.
-  int32 interval_us = 2;
-}
-
-// Server-streaming request.
-message StreamingOutputCallRequest {
-  // Desired payload type in the response from the server.
-  // If response_type is RANDOM, the payload from each response in the stream
-  // might be of different types. This is to simulate a mixed type of payload
-  // stream.
-  PayloadType response_type = 1;
-
-  // Configuration for each expected response message.
-  repeated ResponseParameters response_parameters = 2;
-
-  // Optional input payload sent along with the request.
-  Payload payload = 3;
-
-  // Compression algorithm to be used by the server for the response (stream)
-  CompressionType response_compression = 6;
-
-  // Whether server should return a given status
-  EchoStatus response_status = 7;
-}
-
-// Server-streaming response, as configured by the request and parameters.
-message StreamingOutputCallResponse {
-  // Payload to increase response size.
-  Payload payload = 1;
-}
-
-// For reconnect interop test only.
-// Server tells client whether its reconnects are following the spec and the
-// reconnect backoffs it saw.
-message ReconnectInfo {
-  bool passed = 1;
-  repeated int32 backoff_ms = 2;
-}
diff --git a/src/python/grpcio/tests/interop/methods.py b/src/python/grpcio/tests/interop/methods.py
index b3591aef7bcab8e3e84e22486c8db78155ab0dc3..67862ed7d371f80e52ce892d91b39014874f42a1 100644
--- a/src/python/grpcio/tests/interop/methods.py
+++ b/src/python/grpcio/tests/interop/methods.py
@@ -29,6 +29,8 @@
 
 """Implementations of interoperability test methods."""
 
+from __future__ import print_function
+
 import enum
 import json
 import os
@@ -40,9 +42,9 @@ from oauth2client import client as oauth2client_client
 from grpc.framework.common import cardinality
 from grpc.framework.interfaces.face import face
 
-from tests.interop import empty_pb2
-from tests.interop import messages_pb2
-from tests.interop import test_pb2
+from src.proto.grpc.testing import empty_pb2
+from src.proto.grpc.testing import messages_pb2
+from src.proto.grpc.testing import test_pb2
 
 _TIMEOUT = 7
 
@@ -173,6 +175,9 @@ class _Pipe(object):
   def __iter__(self):
     return self
 
+  def __next__(self):
+    return self.next()
+
   def next(self):
     with self._condition:
       while not self._values and self._open:
@@ -205,7 +210,7 @@ def _ping_pong(stub):
 
   with stub, _Pipe() as pipe:
     response_iterator = stub.FullDuplexCall(pipe, _TIMEOUT)
-    print 'Starting ping-pong with response iterator %s' % response_iterator
+    print('Starting ping-pong with response iterator %s' % response_iterator)
     for response_size, payload_size in zip(
         request_response_sizes, request_payload_sizes):
       request = messages_pb2.StreamingOutputCallRequest(
diff --git a/src/python/grpcio/tests/interop/server.py b/src/python/grpcio/tests/interop/server.py
index 6dd55f008c3a680f95d4bf3ac33f7918e88da21e..ab2c3c708f42cc1ac20e5c956d44dee5c63c4620 100644
--- a/src/python/grpcio/tests/interop/server.py
+++ b/src/python/grpcio/tests/interop/server.py
@@ -34,10 +34,10 @@ import logging
 import time
 
 from grpc.beta import implementations
+from src.proto.grpc.testing import test_pb2
 
 from tests.interop import methods
 from tests.interop import resources
-from tests.interop import test_pb2
 
 _ONE_DAY_IN_SECONDS = 60 * 60 * 24
 
diff --git a/src/python/grpcio/tests/interop/test.proto b/src/python/grpcio/tests/interop/test.proto
deleted file mode 100644
index 9feecc02785e3e1da5ca70cb049ffa9b14c503f9..0000000000000000000000000000000000000000
--- a/src/python/grpcio/tests/interop/test.proto
+++ /dev/null
@@ -1,86 +0,0 @@
-
-// Copyright 2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// An integration test service that covers all the method signature permutations
-// of unary/streaming requests/responses.
-
-syntax = "proto3";
-
-import "tests/interop/empty.proto";
-import "tests/interop/messages.proto";
-
-package grpc.testing;
-
-// A simple service to test the various types of RPCs and experiment with
-// performance with various types of payload.
-service TestService {
-  // One empty request followed by one empty response.
-  rpc EmptyCall(grpc.testing.Empty) returns (grpc.testing.Empty);
-
-  // One request followed by one response.
-  rpc UnaryCall(SimpleRequest) returns (SimpleResponse);
-
-  // One request followed by a sequence of responses (streamed download).
-  // The server returns the payload with client desired type and sizes.
-  rpc StreamingOutputCall(StreamingOutputCallRequest)
-      returns (stream StreamingOutputCallResponse);
-
-  // A sequence of requests followed by one response (streamed upload).
-  // The server returns the aggregated size of client payload as the result.
-  rpc StreamingInputCall(stream StreamingInputCallRequest)
-      returns (StreamingInputCallResponse);
-
-  // A sequence of requests with each request served by the server immediately.
-  // As one request could lead to multiple responses, this interface
-  // demonstrates the idea of full duplexing.
-  rpc FullDuplexCall(stream StreamingOutputCallRequest)
-      returns (stream StreamingOutputCallResponse);
-
-  // A sequence of requests followed by a sequence of responses.
-  // The server buffers all the client requests and then serves them in order. A
-  // stream of responses are returned to the client when the server starts with
-  // first request.
-  rpc HalfDuplexCall(stream StreamingOutputCallRequest)
-      returns (stream StreamingOutputCallResponse);
-}
-
-
-// A simple service NOT implemented at servers so clients can test for
-// that case.
-service UnimplementedService {
-  // A call that no server should implement
-  rpc UnimplementedCall(grpc.testing.Empty) returns(grpc.testing.Empty);  
-}
-
-// A service used to control reconnect server.
-service ReconnectService {
-  rpc Start(grpc.testing.Empty) returns (grpc.testing.Empty);
-  rpc Stop(grpc.testing.Empty) returns (grpc.testing.ReconnectInfo);
-}
diff --git a/src/python/grpcio/tests/protoc_plugin/beta_python_plugin_test.py b/src/python/grpcio/tests/protoc_plugin/beta_python_plugin_test.py
index ba5b219a88ef9dd5349d4716370604a067f90cae..6fba3d4271b2b4acb9377cc7b996de6aa2676264 100644
--- a/src/python/grpcio/tests/protoc_plugin/beta_python_plugin_test.py
+++ b/src/python/grpcio/tests/protoc_plugin/beta_python_plugin_test.py
@@ -42,6 +42,8 @@ import threading
 import time
 import unittest
 
+from six import moves
+
 from grpc.beta import implementations
 from grpc.framework.foundation import future
 from grpc.framework.interfaces.face import face
@@ -250,7 +252,7 @@ class PythonPluginTest(unittest.TestCase):
   def testImportAttributes(self):
     # check that we can access the generated module and its members.
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     self.assertIsNotNone(getattr(test_pb2, SERVICER_IDENTIFIER, None))
     self.assertIsNotNone(getattr(test_pb2, STUB_IDENTIFIER, None))
     self.assertIsNotNone(getattr(test_pb2, SERVER_FACTORY_IDENTIFIER, None))
@@ -258,13 +260,13 @@ class PythonPluginTest(unittest.TestCase):
 
   def testUpDown(self):
     import protoc_plugin_test_pb2 as test_pb2
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (servicer, stub):
       request = test_pb2.SimpleRequest(response_size=13)
 
   def testUnaryCall(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       request = test_pb2.SimpleRequest(response_size=13)
       response = stub.UnaryCall(request, test_constants.LONG_TIMEOUT)
@@ -273,7 +275,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testUnaryCallFuture(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request = test_pb2.SimpleRequest(response_size=13)
     with _CreateService(test_pb2) as (methods, stub):
       # Check that the call does not block waiting for the server to respond.
@@ -286,7 +288,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testUnaryCallFutureExpired(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       request = test_pb2.SimpleRequest(response_size=13)
       with methods.pause():
@@ -297,7 +299,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testUnaryCallFutureCancelled(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request = test_pb2.SimpleRequest(response_size=13)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.pause():
@@ -307,7 +309,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testUnaryCallFutureFailed(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request = test_pb2.SimpleRequest(response_size=13)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.fail():
@@ -317,20 +319,20 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingOutputCall(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request = _streaming_output_request(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       responses = stub.StreamingOutputCall(
           request, test_constants.LONG_TIMEOUT)
       expected_responses = methods.StreamingOutputCall(
           request, 'not a real RpcContext!')
-      for expected_response, response in itertools.izip_longest(
+      for expected_response, response in moves.zip_longest(
           expected_responses, responses):
         self.assertEqual(expected_response, response)
 
   def testStreamingOutputCallExpired(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request = _streaming_output_request(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.pause():
@@ -341,7 +343,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingOutputCallCancelled(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request = _streaming_output_request(test_pb2)
     with _CreateService(test_pb2) as (unused_methods, stub):
       responses = stub.StreamingOutputCall(
@@ -353,7 +355,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingOutputCallFailed(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request = _streaming_output_request(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.fail():
@@ -364,7 +366,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingInputCall(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       response = stub.StreamingInputCall(
           _streaming_input_request_iterator(test_pb2),
@@ -375,7 +377,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingInputCallFuture(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.pause():
         response_future = stub.StreamingInputCall.future(
@@ -388,7 +390,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingInputCallFutureExpired(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.pause():
         response_future = stub.StreamingInputCall.future(
@@ -401,7 +403,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingInputCallFutureCancelled(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.pause():
         response_future = stub.StreamingInputCall.future(
@@ -414,7 +416,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testStreamingInputCallFutureFailed(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.fail():
         response_future = stub.StreamingInputCall.future(
@@ -424,19 +426,19 @@ class PythonPluginTest(unittest.TestCase):
 
   def testFullDuplexCall(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       responses = stub.FullDuplexCall(
           _full_duplex_request_iterator(test_pb2), test_constants.LONG_TIMEOUT)
       expected_responses = methods.FullDuplexCall(
           _full_duplex_request_iterator(test_pb2), 'not a real RpcContext!')
-      for expected_response, response in itertools.izip_longest(
+      for expected_response, response in moves.zip_longest(
           expected_responses, responses):
         self.assertEqual(expected_response, response)
 
   def testFullDuplexCallExpired(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request_iterator = _full_duplex_request_iterator(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.pause():
@@ -447,7 +449,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testFullDuplexCallCancelled(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       request_iterator = _full_duplex_request_iterator(test_pb2)
       responses = stub.FullDuplexCall(
@@ -459,7 +461,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testFullDuplexCallFailed(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     request_iterator = _full_duplex_request_iterator(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       with methods.fail():
@@ -471,7 +473,7 @@ class PythonPluginTest(unittest.TestCase):
 
   def testHalfDuplexCall(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     with _CreateService(test_pb2) as (methods, stub):
       def half_duplex_request_iterator():
         request = test_pb2.StreamingOutputCallRequest()
@@ -485,13 +487,13 @@ class PythonPluginTest(unittest.TestCase):
           half_duplex_request_iterator(), test_constants.LONG_TIMEOUT)
       expected_responses = methods.HalfDuplexCall(
           half_duplex_request_iterator(), 'not a real RpcContext!')
-      for check in itertools.izip_longest(expected_responses, responses):
+      for check in moves.zip_longest(expected_responses, responses):
         expected_response, response = check
         self.assertEqual(expected_response, response)
 
   def testHalfDuplexCallWedged(self):
     import protoc_plugin_test_pb2 as test_pb2  # pylint: disable=g-import-not-at-top
-    reload(test_pb2)
+    moves.reload_module(test_pb2)
     condition = threading.Condition()
     wait_cell = [False]
     @contextlib.contextmanager
diff --git a/src/python/grpcio/tests/unit/_adapter/_intermediary_low_test.py b/src/python/grpcio/tests/unit/_adapter/_intermediary_low_test.py
index a6fd82388c014621c50e68749d68c224aff93c94..22d4b019c7f0d1b3afa2f80a3806ccbe311e35c5 100644
--- a/src/python/grpcio/tests/unit/_adapter/_intermediary_low_test.py
+++ b/src/python/grpcio/tests/unit/_adapter/_intermediary_low_test.py
@@ -29,11 +29,13 @@
 
 """Tests for the old '_low'."""
 
-import Queue
 import threading
 import time
 import unittest
 
+import six
+from six.moves import queue
+
 from grpc._adapter import _intermediary_low as _low
 
 _STREAM_LENGTH = 300
@@ -67,7 +69,7 @@ class LonelyClientTest(unittest.TestCase):
     second_event = completion_queue.get(after_deadline)
     self.assertIsNotNone(second_event)
     kinds = [event.kind for event in (first_event, second_event)]
-    self.assertItemsEqual(
+    six.assertCountEqual(self,
         (_low.Event.Kind.METADATA_ACCEPTED, _low.Event.Kind.FINISH),
         kinds)
 
@@ -99,7 +101,7 @@ class EchoTest(unittest.TestCase):
     self.server = _low.Server(self.server_completion_queue)
     port = self.server.add_http2_addr('[::]:0')
     self.server.start()
-    self.server_events = Queue.Queue()
+    self.server_events = queue.Queue()
     self.server_completion_queue_thread = threading.Thread(
         target=_drive_completion_queue,
         args=(self.server_completion_queue, self.server_events))
@@ -107,7 +109,7 @@ class EchoTest(unittest.TestCase):
 
     self.client_completion_queue = _low.CompletionQueue()
     self.channel = _low.Channel('%s:%d' % (self.host, port), None)
-    self.client_events = Queue.Queue()
+    self.client_events = queue.Queue()
     self.client_completion_queue_thread = threading.Thread(
         target=_drive_completion_queue,
         args=(self.client_completion_queue, self.client_events))
@@ -315,7 +317,7 @@ class CancellationTest(unittest.TestCase):
     self.server = _low.Server(self.server_completion_queue)
     port = self.server.add_http2_addr('[::]:0')
     self.server.start()
-    self.server_events = Queue.Queue()
+    self.server_events = queue.Queue()
     self.server_completion_queue_thread = threading.Thread(
         target=_drive_completion_queue,
         args=(self.server_completion_queue, self.server_events))
@@ -323,7 +325,7 @@ class CancellationTest(unittest.TestCase):
 
     self.client_completion_queue = _low.CompletionQueue()
     self.channel = _low.Channel('%s:%d' % (self.host, port), None)
-    self.client_events = Queue.Queue()
+    self.client_events = queue.Queue()
     self.client_completion_queue_thread = threading.Thread(
         target=_drive_completion_queue,
         args=(self.client_completion_queue, self.client_events))
diff --git a/src/python/grpcio/tests/unit/_adapter/_proto_scenarios.py b/src/python/grpcio/tests/unit/_adapter/_proto_scenarios.py
index f55a7a23eaea0eeabb71c8452c6baf9ddda903b7..7a90eacf77f7355dfa388debe7425d7565109942 100644
--- a/src/python/grpcio/tests/unit/_adapter/_proto_scenarios.py
+++ b/src/python/grpcio/tests/unit/_adapter/_proto_scenarios.py
@@ -32,12 +32,13 @@
 import abc
 import threading
 
+import six
+
 from tests.unit._junkdrawer import math_pb2
 
 
-class ProtoScenario(object):
+class ProtoScenario(six.with_metaclass(abc.ABCMeta)):
   """An RPC test scenario using protocol buffers."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def method(self):
diff --git a/src/python/grpcio/tests/unit/_core_over_links_base_interface_test.py b/src/python/grpcio/tests/unit/_core_over_links_base_interface_test.py
index efc990421a3f2a4ca415526d1713d3e2df224c34..2b8981c7523e171c279e4374310f29aa6f5fe621 100644
--- a/src/python/grpcio/tests/unit/_core_over_links_base_interface_test.py
+++ b/src/python/grpcio/tests/unit/_core_over_links_base_interface_test.py
@@ -35,6 +35,8 @@ import random
 import time
 import unittest
 
+import six
+
 from grpc._adapter import _intermediary_low
 from grpc._links import invocation
 from grpc._links import service
@@ -68,7 +70,7 @@ def _serialization_behaviors_from_serializations(serializations):
   request_deserializers = {}
   response_serializers = {}
   response_deserializers = {}
-  for (group, method), serialization in serializations.iteritems():
+  for (group, method), serialization in six.iteritems(serializations):
     request_serializers[group, method] = serialization.serialize_request
     request_deserializers[group, method] = serialization.deserialize_request
     response_serializers[group, method] = serialization.serialize_response
diff --git a/src/python/grpcio/tests/unit/_crust_over_core_over_links_face_interface_test.py b/src/python/grpcio/tests/unit/_crust_over_core_over_links_face_interface_test.py
index 4faaaadc2b5aac00f8727b1dfe19ac634c019ae6..50b9a5a8244980ee57acd58f537fec5026c8fe7f 100644
--- a/src/python/grpcio/tests/unit/_crust_over_core_over_links_face_interface_test.py
+++ b/src/python/grpcio/tests/unit/_crust_over_core_over_links_face_interface_test.py
@@ -32,6 +32,8 @@
 import collections
 import unittest
 
+import six
+
 from grpc._adapter import _intermediary_low
 from grpc._links import invocation
 from grpc._links import service
@@ -59,7 +61,7 @@ def _serialization_behaviors_from_test_methods(test_methods):
   request_deserializers = {}
   response_serializers = {}
   response_deserializers = {}
-  for (group, method), test_method in test_methods.iteritems():
+  for (group, method), test_method in six.iteritems(test_methods):
     request_serializers[group, method] = test_method.serialize_request
     request_deserializers[group, method] = test_method.deserialize_request
     response_serializers[group, method] = test_method.serialize_response
@@ -108,7 +110,7 @@ class _Implementation(test_interfaces.Implementation):
     # _digest.TestServiceDigest.
     cardinalities = {
         method: method_object.cardinality()
-        for (group, method), method_object in methods.iteritems()}
+        for (group, method), method_object in six.iteritems(methods)}
     dynamic_stub = crust_implementations.dynamic_stub(
         invocation_end_link, group, cardinalities, pool)
 
diff --git a/src/python/grpcio/tests/unit/_links/_proto_scenarios.py b/src/python/grpcio/tests/unit/_links/_proto_scenarios.py
index f69ff51b1679956cf3a945fa45136a289cb3c70b..50661085f9d1b3c0155242a10c4165e5ba6e5378 100644
--- a/src/python/grpcio/tests/unit/_links/_proto_scenarios.py
+++ b/src/python/grpcio/tests/unit/_links/_proto_scenarios.py
@@ -32,13 +32,14 @@
 import abc
 import threading
 
+import six
+
 from tests.unit._junkdrawer import math_pb2
 from tests.unit.framework.common import test_constants
 
 
-class ProtoScenario(object):
+class ProtoScenario(six.with_metaclass(abc.ABCMeta)):
   """An RPC test scenario using protocol buffers."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def group_and_method(self):
diff --git a/src/python/grpcio/tests/unit/beta/_beta_features_test.py b/src/python/grpcio/tests/unit/beta/_beta_features_test.py
index ea44177b499d4d5aaa0aff826b3bc9cd7133c3f6..bb2893a21b9a48a33deef4d2ad5ce2cef969153c 100644
--- a/src/python/grpcio/tests/unit/beta/_beta_features_test.py
+++ b/src/python/grpcio/tests/unit/beta/_beta_features_test.py
@@ -125,6 +125,9 @@ class _BlockingIterator(object):
   def __iter__(self):
     return self
 
+  def __next__(self):
+    return self.next()
+
   def next(self):
     with self._condition:
       while True:
@@ -180,7 +183,7 @@ class BetaFeaturesTest(unittest.TestCase):
     port = self._server.add_secure_port('[::]:0', server_credentials)
     self._server.start()
     self._channel_credentials = implementations.ssl_channel_credentials(
-        resources.test_root_certificates(), None, None)
+        resources.test_root_certificates())
     self._call_credentials = implementations.metadata_call_credentials(
         _metadata_plugin)
     channel = test_utilities.not_really_secure_channel(
@@ -293,7 +296,7 @@ class ContextManagementAndLifecycleTest(unittest.TestCase):
     self._server_credentials = implementations.ssl_server_credentials(
         [(resources.private_key(), resources.certificate_chain(),),])
     self._channel_credentials = implementations.ssl_channel_credentials(
-        resources.test_root_certificates(), None, None)
+        resources.test_root_certificates())
     self._stub_options = implementations.stub_options(
         thread_pool_size=test_constants.POOL_SIZE)
 
diff --git a/src/python/grpcio/tests/unit/beta/_face_interface_test.py b/src/python/grpcio/tests/unit/beta/_face_interface_test.py
index 1c21dfd03d59f85679d135ae58617ea81cd31152..3a67516906dca30fc97827a4c16afcce38aa82a6 100644
--- a/src/python/grpcio/tests/unit/beta/_face_interface_test.py
+++ b/src/python/grpcio/tests/unit/beta/_face_interface_test.py
@@ -32,6 +32,8 @@
 import collections
 import unittest
 
+import six
+
 from grpc.beta import implementations
 from grpc.beta import interfaces
 from tests.unit import resources
@@ -57,7 +59,7 @@ def _serialization_behaviors_from_test_methods(test_methods):
   request_deserializers = {}
   response_serializers = {}
   response_deserializers = {}
-  for (group, method), test_method in test_methods.iteritems():
+  for (group, method), test_method in six.iteritems(test_methods):
     request_serializers[group, method] = test_method.serialize_request
     request_deserializers[group, method] = test_method.deserialize_request
     response_serializers[group, method] = test_method.serialize_response
@@ -79,7 +81,7 @@ class _Implementation(test_interfaces.Implementation):
     # _digest.TestServiceDigest.
     cardinalities = {
         method: method_object.cardinality()
-        for (group, method), method_object in methods.iteritems()}
+        for (group, method), method_object in six.iteritems(methods)}
 
     server_options = implementations.server_options(
         request_deserializers=serialization_behaviors.request_deserializers,
@@ -92,7 +94,7 @@ class _Implementation(test_interfaces.Implementation):
     port = server.add_secure_port('[::]:0', server_credentials)
     server.start()
     channel_credentials = implementations.ssl_channel_credentials(
-        resources.test_root_certificates(), None, None)
+        resources.test_root_certificates())
     channel = test_utilities.not_really_secure_channel(
         'localhost', port, channel_credentials, _SERVER_HOST_OVERRIDE)
     stub_options = implementations.stub_options(
diff --git a/src/python/grpcio/tests/unit/beta/_implementations_test.py b/src/python/grpcio/tests/unit/beta/_implementations_test.py
index 6b32305af71dae34c65789b134c35b562f4ee28c..26be670c459fb042e024dbc3341fd3f9da64f18f 100644
--- a/src/python/grpcio/tests/unit/beta/_implementations_test.py
+++ b/src/python/grpcio/tests/unit/beta/_implementations_test.py
@@ -38,14 +38,13 @@ from tests.unit import resources
 class ChannelCredentialsTest(unittest.TestCase):
 
   def test_runtime_provided_root_certificates(self):
-    channel_credentials = implementations.ssl_channel_credentials(
-        None, None, None)
+    channel_credentials = implementations.ssl_channel_credentials()
     self.assertIsInstance(
         channel_credentials, implementations.ChannelCredentials)
   
   def test_application_provided_root_certificates(self):
     channel_credentials = implementations.ssl_channel_credentials(
-        resources.test_root_certificates(), None, None)
+        resources.test_root_certificates())
     self.assertIsInstance(
         channel_credentials, implementations.ChannelCredentials)
 
diff --git a/src/python/grpcio/tests/unit/framework/_crust_over_core_face_interface_test.py b/src/python/grpcio/tests/unit/framework/_crust_over_core_face_interface_test.py
index 360ecc95d5d98f598d9bd9ef42789fb7da95fda1..43457be362acfe7a89b2a293975884560ce93816 100644
--- a/src/python/grpcio/tests/unit/framework/_crust_over_core_face_interface_test.py
+++ b/src/python/grpcio/tests/unit/framework/_crust_over_core_face_interface_test.py
@@ -32,6 +32,8 @@
 import collections
 import unittest
 
+import six
+
 from grpc.framework.core import implementations as core_implementations
 from grpc.framework.crust import implementations as crust_implementations
 from grpc.framework.foundation import logging_pool
@@ -66,7 +68,7 @@ class _Implementation(test_interfaces.Implementation):
     # _digest.TestServiceDigest.
     cardinalities = {
         method: method_object.cardinality()
-        for (group, method), method_object in methods.iteritems()}
+        for (group, method), method_object in six.iteritems(methods)}
     dynamic_stub = crust_implementations.dynamic_stub(
         invocation_end_link, group, cardinalities, pool)
 
diff --git a/src/python/grpcio/tests/unit/framework/common/test_constants.py b/src/python/grpcio/tests/unit/framework/common/test_constants.py
index 9f1fb8471ca31905adf6b3b69e6114704c86e70c..8d89101e093900fc4d031addfbe69f7720775f75 100644
--- a/src/python/grpcio/tests/unit/framework/common/test_constants.py
+++ b/src/python/grpcio/tests/unit/framework/common/test_constants.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/tests/unit/framework/common/test_control.py b/src/python/grpcio/tests/unit/framework/common/test_control.py
index 8d6eba5c2caabce420300af00b97a709facf0a05..ca5ba3a85423ea151c0f9ff03d981938de4c77ca 100644
--- a/src/python/grpcio/tests/unit/framework/common/test_control.py
+++ b/src/python/grpcio/tests/unit/framework/common/test_control.py
@@ -33,6 +33,8 @@ import abc
 import contextlib
 import threading
 
+import six
+
 
 class Defect(Exception):
   """Simulates a programming defect raised into in a system under test.
@@ -42,7 +44,7 @@ class Defect(Exception):
   """
 
 
-class Control(object):
+class Control(six.with_metaclass(abc.ABCMeta)):
   """An object that accepts program control from a system under test.
 
   Systems under test passed a Control should call its control() method
@@ -51,8 +53,6 @@ class Control(object):
   the system under test to simulate hanging, failing, or functioning.
   """
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def control(self):
     """Potentially does anything."""
diff --git a/src/python/grpcio/tests/unit/framework/common/test_coverage.py b/src/python/grpcio/tests/unit/framework/common/test_coverage.py
index a7ed3582c40bc2ea85d76df4d90e8c1e5fc43c9c..ea2d2812ce646712ea7162500bbf07acc8c42bc2 100644
--- a/src/python/grpcio/tests/unit/framework/common/test_coverage.py
+++ b/src/python/grpcio/tests/unit/framework/common/test_coverage.py
@@ -31,13 +31,14 @@
 
 import abc
 
+import six
+
 # This code is designed for use with the unittest module.
 # pylint: disable=invalid-name
 
 
-class Coverage(object):
+class Coverage(six.with_metaclass(abc.ABCMeta)):
   """Specification of test coverage."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def testSuccessfulUnaryRequestUnaryResponse(self):
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/base_util.py b/src/python/grpcio/tests/unit/framework/face/testing/base_util.py
index 1df1529b27c009cb0718ec443153df00f01a6552..59652b3e9084b9e4c89e9832e360b5ab6a346b31 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/base_util.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/base_util.py
@@ -31,6 +31,8 @@
 
 import abc
 
+import six
+
 # interfaces is referenced from specification in this module.
 from grpc.framework.base import util as _base_util
 from grpc.framework.base import implementations
@@ -43,7 +45,7 @@ _POOL_SIZE_LIMIT = 5
 _MAXIMUM_TIMEOUT = 90
 
 
-class LinkedPair(object):
+class LinkedPair(six.with_metaclass(abc.ABCMeta)):
   """A Front and Back that are linked to one another.
 
   Attributes:
@@ -51,8 +53,6 @@ class LinkedPair(object):
     back: An interfaces.Back.
   """
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def shut_down(self):
     """Shuts down this object and releases its resources."""
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/blocking_invocation_inline_service_test_case.py b/src/python/grpcio/tests/unit/framework/face/testing/blocking_invocation_inline_service_test_case.py
index 06135164215e1b2eba479fbda43fb3a20848ced4..2ebe1a32a4daf3f0e2029e91be2ca3b9dc365d74 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/blocking_invocation_inline_service_test_case.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/blocking_invocation_inline_service_test_case.py
@@ -33,6 +33,8 @@
 import abc
 import unittest  # pylint: disable=unused-import
 
+import six
+
 from grpc.framework.face import exceptions
 from tests.unit.framework.common import test_constants
 from tests.unit.framework.face.testing import control
@@ -43,12 +45,12 @@ from tests.unit.framework.face.testing import test_case
 
 
 class BlockingInvocationInlineServiceTestCase(
-    test_case.FaceTestCase, coverage.BlockingCoverage):
+    six.with_metaclass(abc.ABCMeta,
+    test_case.FaceTestCase, coverage.BlockingCoverage)):
   """A test of the Face layer of RPC Framework.
 
   Concrete subclasses must also extend unittest.TestCase.
   """
-  __metaclass__ = abc.ABCMeta
 
   def setUp(self):
     """See unittest.TestCase.setUp for full specification.
@@ -72,7 +74,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testSuccessfulUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -83,7 +85,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testSuccessfulUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -95,7 +97,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testSuccessfulStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -106,7 +108,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testSuccessfulStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -118,7 +120,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testSequentialInvocations(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         second_request = test_messages.request()
@@ -135,7 +137,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testExpiredUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -146,7 +148,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testExpiredUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -158,7 +160,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testExpiredStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -169,7 +171,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testExpiredStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -181,7 +183,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testFailedUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -191,7 +193,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testFailedUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -202,7 +204,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testFailedStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -212,7 +214,7 @@ class BlockingInvocationInlineServiceTestCase(
 
   def testFailedStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/control.py b/src/python/grpcio/tests/unit/framework/face/testing/control.py
index 3960c4e649590db318223ac44a147c7bf3ffd919..8425affcc91aeb3de0fc63e4dcc930d09ffe6d4c 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/control.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/control.py
@@ -33,8 +33,10 @@ import abc
 import contextlib
 import threading
 
+import six
 
-class Control(object):
+
+class Control(six.with_metaclass(abc.ABCMeta)):
   """An object that accepts program control from a system under test.
 
   Systems under test passed a Control should call its control() method
@@ -43,8 +45,6 @@ class Control(object):
   the system under test to simulate hanging, failing, or functioning.
   """
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def control(self):
     """Potentially does anything."""
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/coverage.py b/src/python/grpcio/tests/unit/framework/face/testing/coverage.py
index f3aca113fe722607d41ea0d50d8a68d474fafe8e..3c88b7841a52ccf202916bb437ce2b46425560c0 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/coverage.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/coverage.py
@@ -31,15 +31,15 @@
 
 import abc
 
+import six
+
 # These classes are only valid when inherited by unittest.TestCases.
 # pylint: disable=invalid-name
 
 
-class BlockingCoverage(object):
+class BlockingCoverage(six.with_metaclass(abc.ABCMeta)):
   """Specification of test coverage for blocking behaviors."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def testSuccessfulUnaryRequestUnaryResponse(self):
     raise NotImplementedError()
@@ -93,11 +93,9 @@ class BlockingCoverage(object):
     raise NotImplementedError()
 
 
-class FullCoverage(BlockingCoverage):
+class FullCoverage(six.with_metaclass(abc.ABCMeta, BlockingCoverage)):
   """Specification of test coverage for non-blocking behaviors."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def testParallelInvocations(self):
     raise NotImplementedError()
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/digest.py b/src/python/grpcio/tests/unit/framework/face/testing/digest.py
index 39f28b9657f447e923743a8920d3df23d34f5c49..2b45aded208be151d90b1e121def8ad55c74650b 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/digest.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/digest.py
@@ -32,6 +32,8 @@
 import collections
 import threading
 
+import six
+
 # testing_control, interfaces, and testing_service are referenced from
 # specification in this module.
 from grpc.framework.common import cardinality
@@ -368,7 +370,7 @@ def _assemble(
   events = {}
   adaptations = {}
   messages = {}
-  for name, scenario in scenarios.iteritems():
+  for name, scenario in six.iteritems(scenarios):
     if name in names:
       raise ValueError('Repeated name "%s"!' % name)
 
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/event_invocation_synchronous_event_service_test_case.py b/src/python/grpcio/tests/unit/framework/face/testing/event_invocation_synchronous_event_service_test_case.py
index 179f3a2f67c18c82c57f3eacbc9aea1426fbe87f..98b61e492c9f340aaaa7a959dd0b62c1631ff335 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/event_invocation_synchronous_event_service_test_case.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/event_invocation_synchronous_event_service_test_case.py
@@ -32,6 +32,8 @@
 import abc
 import unittest
 
+import six
+
 from grpc.framework.face import interfaces
 from tests.unit.framework.common import test_constants
 from tests.unit.framework.face.testing import callback as testing_callback
@@ -43,12 +45,12 @@ from tests.unit.framework.face.testing import test_case
 
 
 class EventInvocationSynchronousEventServiceTestCase(
-    test_case.FaceTestCase, coverage.FullCoverage):
+    six.with_metaclass(abc.ABCMeta,
+    test_case.FaceTestCase, coverage.FullCoverage)):
   """A test of the Face layer of RPC Framework.
 
   Concrete subclasses must also extend unittest.TestCase.
   """
-  __metaclass__ = abc.ABCMeta
 
   def setUp(self):
     """See unittest.TestCase.setUp for full specification.
@@ -72,7 +74,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testSuccessfulUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -87,7 +89,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testSuccessfulUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -102,7 +104,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testSuccessfulStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = testing_callback.Callback()
@@ -120,7 +122,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testSuccessfulStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = testing_callback.Callback()
@@ -138,7 +140,7 @@ class EventInvocationSynchronousEventServiceTestCase(
   def testSequentialInvocations(self):
     # pylint: disable=cell-var-from-loop
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         second_request = test_messages.request()
@@ -163,7 +165,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testExpiredUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -178,7 +180,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testExpiredUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -193,7 +195,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testExpiredStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for unused_test_messages in test_messages_sequence:
         callback = testing_callback.Callback()
 
@@ -206,7 +208,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testExpiredStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = testing_callback.Callback()
@@ -221,7 +223,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testFailedUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -237,7 +239,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testFailedUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -253,7 +255,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testFailedStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = testing_callback.Callback()
@@ -272,7 +274,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testFailedStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = testing_callback.Callback()
@@ -289,7 +291,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testParallelInvocations(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         first_callback = testing_callback.Callback()
@@ -316,7 +318,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testCancelledUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -332,7 +334,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testCancelledUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = testing_callback.Callback()
@@ -347,7 +349,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testCancelledStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = testing_callback.Callback()
@@ -364,7 +366,7 @@ class EventInvocationSynchronousEventServiceTestCase(
 
   def testCancelledStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for unused_test_messages in test_messages_sequence:
         callback = testing_callback.Callback()
 
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/future_invocation_asynchronous_event_service_test_case.py b/src/python/grpcio/tests/unit/framework/face/testing/future_invocation_asynchronous_event_service_test_case.py
index 485524a3563fb7509819967e9bfa04531df2cb2e..cae791af97e14ec320b11698521717faaa8b1c67 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/future_invocation_asynchronous_event_service_test_case.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/future_invocation_asynchronous_event_service_test_case.py
@@ -34,6 +34,8 @@ import contextlib
 import threading
 import unittest
 
+import six
+
 from grpc.framework.face import exceptions
 from grpc.framework.foundation import future
 from grpc.framework.foundation import logging_pool
@@ -66,6 +68,9 @@ class _PauseableIterator(object):
   def __iter__(self):
     return self
 
+  def __next__(self):
+    return self.next()
+
   def next(self):
     with self._condition:
       while self._paused:
@@ -74,12 +79,12 @@ class _PauseableIterator(object):
 
 
 class FutureInvocationAsynchronousEventServiceTestCase(
-    test_case.FaceTestCase, coverage.FullCoverage):
+    six.with_metaclass(abc.ABCMeta,
+    test_case.FaceTestCase, coverage.FullCoverage)):
   """A test of the Face layer of RPC Framework.
 
   Concrete subclasses must also extend unittest.TestCase.
   """
-  __metaclass__ = abc.ABCMeta
 
   def setUp(self):
     """See unittest.TestCase.setUp for full specification.
@@ -105,7 +110,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testSuccessfulUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -117,7 +122,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testSuccessfulUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -129,7 +134,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testSuccessfulStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         request_iterator = _PauseableIterator(iter(requests))
@@ -145,7 +150,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testSuccessfulStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         request_iterator = _PauseableIterator(iter(requests))
@@ -161,7 +166,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testSequentialInvocations(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         second_request = test_messages.request()
@@ -180,7 +185,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testExpiredUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -195,7 +200,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testExpiredUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -207,7 +212,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testExpiredStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -222,7 +227,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testExpiredStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -234,7 +239,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testFailedUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -253,7 +258,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testFailedUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -268,7 +273,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testFailedStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -287,7 +292,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testFailedStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -302,7 +307,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testParallelInvocations(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         second_request = test_messages.request()
@@ -324,7 +329,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testCancelledUnaryRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -338,7 +343,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testCancelledUnaryRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -352,7 +357,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testCancelledStreamRequestUnaryResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -366,7 +371,7 @@ class FutureInvocationAsynchronousEventServiceTestCase(
 
   def testCancelledStreamRequestStreamResponse(self):
     for name, test_messages_sequence in (
-        self.digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self.digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/interfaces.py b/src/python/grpcio/tests/unit/framework/face/testing/interfaces.py
index 5932dabf1eb98d05a9a33ebfb8ce62d4269a1391..8a25f89c8831a03535fd0a9cb6b2f6d396d563b0 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/interfaces.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/interfaces.py
@@ -31,13 +31,14 @@
 
 import abc
 
+import six
+
 # cardinality is referenced from specification in this module.
 from grpc.framework.common import cardinality  # pylint: disable=unused-import
 
 
-class Method(object):
+class Method(six.with_metaclass(abc.ABCMeta)):
   """An RPC method to be used in tests of RPC implementations."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def name(self):
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/service.py b/src/python/grpcio/tests/unit/framework/face/testing/service.py
index ac0b89b6eefdabed66b105de77f8d548b29e56ea..3e4228cc07065a3c34061bc636df3ea64eb631bc 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/service.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/service.py
@@ -31,16 +31,16 @@
 
 import abc
 
+import six
+
 # interfaces is referenced from specification in this module.
 from grpc.framework.face import interfaces as face_interfaces  # pylint: disable=unused-import
 from tests.unit.framework.face.testing import interfaces
 
 
-class UnaryUnaryTestMethodImplementation(interfaces.Method):
+class UnaryUnaryTestMethodImplementation(six.with_metaclass(abc.ABCMeta, interfaces.Method)):
   """A controllable implementation of a unary-unary RPC method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, request, response_callback, context, control):
     """Services an RPC that accepts one message and produces one message.
@@ -59,11 +59,9 @@ class UnaryUnaryTestMethodImplementation(interfaces.Method):
     raise NotImplementedError()
 
 
-class UnaryUnaryTestMessages(object):
+class UnaryUnaryTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for unary-request-unary-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def request(self):
     """Affords a request message.
@@ -93,11 +91,9 @@ class UnaryUnaryTestMessages(object):
     raise NotImplementedError()
 
 
-class UnaryStreamTestMethodImplementation(interfaces.Method):
+class UnaryStreamTestMethodImplementation(six.with_metaclass(abc.ABCMeta, interfaces.Method)):
   """A controllable implementation of a unary-stream RPC method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, request, response_consumer, context, control):
     """Services an RPC that takes one message and produces a stream of messages.
@@ -116,11 +112,9 @@ class UnaryStreamTestMethodImplementation(interfaces.Method):
     raise NotImplementedError()
 
 
-class UnaryStreamTestMessages(object):
+class UnaryStreamTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for unary-request-stream-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def request(self):
     """Affords a request message.
@@ -150,11 +144,9 @@ class UnaryStreamTestMessages(object):
     raise NotImplementedError()
 
 
-class StreamUnaryTestMethodImplementation(interfaces.Method):
+class StreamUnaryTestMethodImplementation(six.with_metaclass(abc.ABCMeta, interfaces.Method)):
   """A controllable implementation of a stream-unary RPC method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, response_callback, context, control):
     """Services an RPC that takes a stream of messages and produces one message.
@@ -180,11 +172,9 @@ class StreamUnaryTestMethodImplementation(interfaces.Method):
     raise NotImplementedError()
 
 
-class StreamUnaryTestMessages(object):
+class StreamUnaryTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for stream-request-unary-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def requests(self):
     """Affords a sequence of request messages.
@@ -214,11 +204,9 @@ class StreamUnaryTestMessages(object):
     raise NotImplementedError()
 
 
-class StreamStreamTestMethodImplementation(interfaces.Method):
+class StreamStreamTestMethodImplementation(six.with_metaclass(abc.ABCMeta, interfaces.Method)):
   """A controllable implementation of a stream-stream RPC method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, response_consumer, context, control):
     """Services an RPC that accepts and produces streams of messages.
@@ -244,11 +232,9 @@ class StreamStreamTestMethodImplementation(interfaces.Method):
     raise NotImplementedError()
 
 
-class StreamStreamTestMessages(object):
+class StreamStreamTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for stream-request-stream-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def requests(self):
     """Affords a sequence of request messages.
@@ -278,11 +264,9 @@ class StreamStreamTestMessages(object):
     raise NotImplementedError()
 
 
-class TestService(object):
+class TestService(six.with_metaclass(abc.ABCMeta)):
   """A specification of implemented RPC methods to use in tests."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def name(self):
     """Identifies the RPC service name used during the test.
diff --git a/src/python/grpcio/tests/unit/framework/face/testing/test_case.py b/src/python/grpcio/tests/unit/framework/face/testing/test_case.py
index 23d4d919c2377ca7e3558a15368445f765445082..f29d400844887d73dbb0d25d75eec2137490abaf 100644
--- a/src/python/grpcio/tests/unit/framework/face/testing/test_case.py
+++ b/src/python/grpcio/tests/unit/framework/face/testing/test_case.py
@@ -31,18 +31,19 @@
 
 import abc
 
+import six
+
 # face_interfaces and interfaces are referenced in specification in this module.
 from grpc.framework.face import interfaces as face_interfaces  # pylint: disable=unused-import
 from tests.unit.framework.face.testing import interfaces  # pylint: disable=unused-import
 
 
-class FaceTestCase(object):
+class FaceTestCase(six.with_metaclass(abc.ABCMeta)):
   """Describes a test of the Face Layer of RPC Framework.
 
   Concrete subclasses must also inherit from unittest.TestCase and from at least
   one class that defines test methods.
   """
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def set_up_implementation(
diff --git a/src/python/grpcio/tests/unit/framework/foundation/_logging_pool_test.py b/src/python/grpcio/tests/unit/framework/foundation/_logging_pool_test.py
index 0521e1c102ace797f2f841a4ea2e3bd72e248bfe..330e445d43323a602c465c6c4967c5225c38b8c1 100644
--- a/src/python/grpcio/tests/unit/framework/foundation/_logging_pool_test.py
+++ b/src/python/grpcio/tests/unit/framework/foundation/_logging_pool_test.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/base/_control.py b/src/python/grpcio/tests/unit/framework/interfaces/base/_control.py
index 38102b198a70fc3e2ef59c627f03e8fe5e6a2052..0eb38abf222ea1fb625d44786136b9934004b585 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/base/_control.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/base/_control.py
@@ -29,6 +29,8 @@
 
 """Part of the tests of the base interface of RPC Framework."""
 
+from __future__ import division
+
 import abc
 import collections
 import enum
@@ -36,6 +38,8 @@ import random  # pylint: disable=unused-import
 import threading
 import time
 
+import six
+
 from grpc.framework.interfaces.base import base
 from tests.unit.framework.common import test_constants
 from tests.unit.framework.interfaces.base import _sequence
@@ -45,8 +49,8 @@ from tests.unit.framework.interfaces.base import test_interfaces  # pylint: disa
 _GROUP = 'base test cases test group'
 _METHOD = 'base test cases test method'
 
-_PAYLOAD_RANDOM_SECTION_MAXIMUM_SIZE = test_constants.PAYLOAD_SIZE / 20
-_MINIMUM_PAYLOAD_SIZE = test_constants.PAYLOAD_SIZE / 600
+_PAYLOAD_RANDOM_SECTION_MAXIMUM_SIZE = test_constants.PAYLOAD_SIZE // 20
+_MINIMUM_PAYLOAD_SIZE = test_constants.PAYLOAD_SIZE // 600
 
 
 def _create_payload(randomness):
@@ -57,7 +61,7 @@ def _create_payload(randomness):
   random_section = bytes(
       bytearray(
           randomness.getrandbits(8) for _ in range(random_section_length)))
-  sevens_section = '\x07' * (length - random_section_length)
+  sevens_section = b'\x07' * (length - random_section_length)
   return b''.join(randomness.sample((random_section, sevens_section), 2))
 
 
@@ -247,8 +251,7 @@ class Instruction(
     CONCLUDE = 'CONCLUDE'
 
 
-class Controller(object):
-  __metaclass__ = abc.ABCMeta
+class Controller(six.with_metaclass(abc.ABCMeta)):
 
   @abc.abstractmethod
   def failed(self, message):
@@ -308,8 +311,7 @@ class Controller(object):
     raise NotImplementedError()
 
 
-class ControllerCreator(object):
-  __metaclass__ = abc.ABCMeta
+class ControllerCreator(six.with_metaclass(abc.ABCMeta)):
 
   @abc.abstractmethod
   def name(self):
@@ -385,13 +387,13 @@ class _SequenceController(Controller):
     return request + request
 
   def deserialize_request(self, serialized_request):
-    return serialized_request[:len(serialized_request) / 2]
+    return serialized_request[:len(serialized_request) // 2]
 
   def serialize_response(self, response):
     return response * 3
 
   def deserialize_response(self, serialized_response):
-    return serialized_response[2 * len(serialized_response) / 3:]
+    return serialized_response[2 * len(serialized_response) // 3:]
 
   def invocation(self):
     with self._condition:
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/base/test_interfaces.py b/src/python/grpcio/tests/unit/framework/interfaces/base/test_interfaces.py
index 84afd24d478a71f74c0c2493229e6f6a82626e9d..5eba475ba89eeeefdd1bb241a658a7d025a880bf 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/base/test_interfaces.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/base/test_interfaces.py
@@ -31,12 +31,13 @@
 
 import abc
 
+import six
+
 from grpc.framework.interfaces.base import base  # pylint: disable=unused-import
 
 
-class Serialization(object):
+class Serialization(six.with_metaclass(abc.ABCMeta)):
   """Specifies serialization and deserialization of test payloads."""
-  __metaclass__ = abc.ABCMeta
 
   def serialize_request(self, request):
     """Serializes a request value used in a test.
@@ -85,9 +86,8 @@ class Serialization(object):
     raise NotImplementedError()
 
 
-class Implementation(object):
+class Implementation(six.with_metaclass(abc.ABCMeta)):
   """Specifies an implementation of the Base layer."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def instantiate(self, serializations, servicer):
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/_blocking_invocation_inline_service.py b/src/python/grpcio/tests/unit/framework/interfaces/face/_blocking_invocation_inline_service.py
index c8a3a1bc7499ae6a8311eea5aed668901ef9b700..649892463aeee09e3b03a98294e3d2c78c2c65d5 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/_blocking_invocation_inline_service.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/_blocking_invocation_inline_service.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -29,11 +29,15 @@
 
 """Test code for the Face layer of RPC Framework."""
 
+from __future__ import division
+
 import abc
 import itertools
 import unittest
 from concurrent import futures
 
+import six
+
 # test_interfaces is referenced from specification in this module.
 from grpc.framework.foundation import logging_pool
 from grpc.framework.interfaces.face import face
@@ -46,14 +50,13 @@ from tests.unit.framework.interfaces.face import _stock_service
 from tests.unit.framework.interfaces.face import test_interfaces  # pylint: disable=unused-import
 
 
-class TestCase(test_coverage.Coverage, unittest.TestCase):
+class TestCase(six.with_metaclass(abc.ABCMeta, test_coverage.Coverage, unittest.TestCase)):
   """A test of the Face layer of RPC Framework.
 
   Concrete subclasses must have an "implementation" attribute of type
   test_interfaces.Implementation and an "invoker_constructor" attribute of type
   _invocation.InvokerConstructor.
   """
-  __metaclass__ = abc.ABCMeta
 
   NAME = 'BlockingInvocationInlineServiceTest'
 
@@ -81,7 +84,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulUnaryRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -92,7 +95,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulUnaryRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -104,7 +107,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulStreamRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -115,7 +118,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulStreamRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -127,7 +130,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSequentialInvocations(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         second_request = test_messages.request()
@@ -145,7 +148,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
   def testParallelInvocations(self):
     pool = logging_pool.pool(test_constants.PARALLELISM)
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = []
         response_futures = []
@@ -167,7 +170,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
   def testWaitingForSomeButNotAllParallelInvocations(self):
     pool = logging_pool.pool(test_constants.PARALLELISM)
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = []
         response_futures_to_indices = {}
@@ -181,7 +184,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
         some_completed_response_futures_iterator = itertools.islice(
             futures.as_completed(response_futures_to_indices),
-            test_constants.PARALLELISM / 2)
+            test_constants.PARALLELISM // 2)
         for response_future in some_completed_response_futures_iterator:
           index = response_futures_to_indices[response_future]
           test_messages.verify(requests[index], response_future.result(), self)
@@ -205,7 +208,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredUnaryRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -216,7 +219,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredUnaryRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -228,7 +231,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredStreamRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -239,7 +242,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredStreamRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -251,7 +254,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedUnaryRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -261,7 +264,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedUnaryRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -272,7 +275,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedStreamRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -282,7 +285,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedStreamRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/_digest.py b/src/python/grpcio/tests/unit/framework/interfaces/face/_digest.py
index 9304b6b1db13d7ad3e77ffa5c4014eb6714be8a2..f0befb0b27336eb47df654ee0b5392d4e87b7999 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/_digest.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/_digest.py
@@ -32,6 +32,8 @@
 import collections
 import threading
 
+import six
+
 # test_control, _service, and test_interfaces are referenced from specification
 # in this module.
 from grpc.framework.common import cardinality
@@ -363,7 +365,7 @@ def _assemble(
   events = {}
   adaptations = {}
   messages = {}
-  for identifier, scenario in scenarios.iteritems():
+  for identifier, scenario in six.iteritems(scenarios):
     if identifier in identifiers:
       raise ValueError('Repeated identifier "(%s, %s)"!' % identifier)
 
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/_future_invocation_asynchronous_event_service.py b/src/python/grpcio/tests/unit/framework/interfaces/face/_future_invocation_asynchronous_event_service.py
index 1d36a931e8c1f1384c63a8a1c200a2c6efc990ee..c3813d5f3a8f7c70cdec7bf9f3bee115315ea51a 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/_future_invocation_asynchronous_event_service.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/_future_invocation_asynchronous_event_service.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -29,6 +29,8 @@
 
 """Test code for the Face layer of RPC Framework."""
 
+from __future__ import division
+
 import abc
 import contextlib
 import itertools
@@ -36,6 +38,8 @@ import threading
 import unittest
 from concurrent import futures
 
+import six
+
 # test_interfaces is referenced from specification in this module.
 from grpc.framework.foundation import logging_pool
 from grpc.framework.interfaces.face import face
@@ -67,6 +71,9 @@ class _PauseableIterator(object):
   def __iter__(self):
     return self
 
+  def __next__(self):
+    return self.next()
+
   def next(self):
     with self._condition:
       while self._paused:
@@ -104,14 +111,13 @@ class _Callback(object):
           self._condition.wait()
 
 
-class TestCase(test_coverage.Coverage, unittest.TestCase):
+class TestCase(six.with_metaclass(abc.ABCMeta, test_coverage.Coverage, unittest.TestCase)):
   """A test of the Face layer of RPC Framework.
 
   Concrete subclasses must have an "implementation" attribute of type
   test_interfaces.Implementation and an "invoker_constructor" attribute of type
   _invocation.InvokerConstructor.
   """
-  __metaclass__ = abc.ABCMeta
 
   NAME = 'FutureInvocationAsynchronousEventServiceTest'
 
@@ -141,7 +147,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulUnaryRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = _Callback()
@@ -156,7 +162,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulUnaryRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -168,7 +174,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulStreamRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         request_iterator = _PauseableIterator(iter(requests))
@@ -188,7 +194,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSuccessfulStreamRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         request_iterator = _PauseableIterator(iter(requests))
@@ -204,7 +210,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testSequentialInvocations(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         second_request = test_messages.request()
@@ -223,7 +229,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testParallelInvocations(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         first_request = test_messages.request()
         second_request = test_messages.request()
@@ -239,7 +245,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
         test_messages.verify(second_request, second_response, self)
 
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = []
         response_futures = []
@@ -259,7 +265,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
   def testWaitingForSomeButNotAllParallelInvocations(self):
     pool = logging_pool.pool(test_constants.PARALLELISM)
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = []
         response_futures_to_indices = {}
@@ -273,7 +279,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
         some_completed_response_futures_iterator = itertools.islice(
             futures.as_completed(response_futures_to_indices),
-            test_constants.PARALLELISM / 2)
+            test_constants.PARALLELISM // 2)
         for response_future in some_completed_response_futures_iterator:
           index = response_futures_to_indices[response_future]
           test_messages.verify(requests[index], response_future.result(), self)
@@ -281,7 +287,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testCancelledUnaryRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = _Callback()
@@ -298,7 +304,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testCancelledUnaryRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -312,7 +318,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testCancelledStreamRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = _Callback()
@@ -329,7 +335,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testCancelledStreamRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -343,7 +349,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredUnaryRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = _Callback()
@@ -360,7 +366,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredUnaryRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -372,7 +378,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredStreamRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = _Callback()
@@ -389,7 +395,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testExpiredStreamRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
@@ -401,7 +407,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedUnaryRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
         callback = _Callback()
@@ -423,7 +429,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedUnaryRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.unary_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.unary_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         request = test_messages.request()
 
@@ -438,7 +444,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedStreamRequestUnaryResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_unary_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_unary_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
         callback = _Callback()
@@ -460,7 +466,7 @@ class TestCase(test_coverage.Coverage, unittest.TestCase):
 
   def testFailedStreamRequestStreamResponse(self):
     for (group, method), test_messages_sequence in (
-        self._digest.stream_stream_messages_sequences.iteritems()):
+        six.iteritems(self._digest.stream_stream_messages_sequences)):
       for test_messages in test_messages_sequence:
         requests = test_messages.requests()
 
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/_invocation.py b/src/python/grpcio/tests/unit/framework/interfaces/face/_invocation.py
index 448e845a08ddb4859dea24d19515a2f09e3fc5f6..ac487bed4f928f063b05071079f0554558f25632 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/_invocation.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/_invocation.py
@@ -31,6 +31,8 @@
 
 import abc
 
+import six
+
 from grpc.framework.common import cardinality
 
 _CARDINALITY_TO_GENERIC_BLOCKING_BEHAVIOR = {
@@ -62,9 +64,8 @@ _CARDINALITY_TO_MULTI_CALLABLE_ATTRIBUTE = {
 }
 
 
-class Invoker(object):
+class Invoker(six.with_metaclass(abc.ABCMeta)):
   """A type used to invoke test RPCs."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def blocking(self, group, name):
@@ -82,9 +83,8 @@ class Invoker(object):
     raise NotImplementedError()
 
 
-class InvokerConstructor(object):
+class InvokerConstructor(six.with_metaclass(abc.ABCMeta)):
   """A type used to create Invokers."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def name(self):
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/_receiver.py b/src/python/grpcio/tests/unit/framework/interfaces/face/_receiver.py
index 42a7f4e3b80f5494f4c0f9ac072a5c2682a08eda..48f31fc6770af65d8371745d4ac4ad94824ad875 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/_receiver.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/_receiver.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/_service.py b/src/python/grpcio/tests/unit/framework/interfaces/face/_service.py
index 28941e2ad0319c02a74b49668044f67419d1dbb3..f13dff0558571e194a2f3f77a79eabf7b5ce9c11 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/_service.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/_service.py
@@ -31,16 +31,16 @@
 
 import abc
 
+import six
+
 # face is referenced from specification in this module.
 from grpc.framework.interfaces.face import face  # pylint: disable=unused-import
 from tests.unit.framework.interfaces.face import test_interfaces
 
 
-class UnaryUnaryTestMethodImplementation(test_interfaces.Method):
+class UnaryUnaryTestMethodImplementation(six.with_metaclass(abc.ABCMeta, test_interfaces.Method)):
   """A controllable implementation of a unary-unary method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, request, response_callback, context, control):
     """Services an RPC that accepts one message and produces one message.
@@ -59,11 +59,9 @@ class UnaryUnaryTestMethodImplementation(test_interfaces.Method):
     raise NotImplementedError()
 
 
-class UnaryUnaryTestMessages(object):
+class UnaryUnaryTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for unary-request-unary-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def request(self):
     """Affords a request message.
@@ -93,11 +91,9 @@ class UnaryUnaryTestMessages(object):
     raise NotImplementedError()
 
 
-class UnaryStreamTestMethodImplementation(test_interfaces.Method):
+class UnaryStreamTestMethodImplementation(six.with_metaclass(abc.ABCMeta, test_interfaces.Method)):
   """A controllable implementation of a unary-stream method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, request, response_consumer, context, control):
     """Services an RPC that takes one message and produces a stream of messages.
@@ -116,11 +112,9 @@ class UnaryStreamTestMethodImplementation(test_interfaces.Method):
     raise NotImplementedError()
 
 
-class UnaryStreamTestMessages(object):
+class UnaryStreamTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for unary-request-stream-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def request(self):
     """Affords a request message.
@@ -150,11 +144,9 @@ class UnaryStreamTestMessages(object):
     raise NotImplementedError()
 
 
-class StreamUnaryTestMethodImplementation(test_interfaces.Method):
+class StreamUnaryTestMethodImplementation(six.with_metaclass(abc.ABCMeta, test_interfaces.Method)):
   """A controllable implementation of a stream-unary method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, response_callback, context, control):
     """Services an RPC that takes a stream of messages and produces one message.
@@ -180,11 +172,9 @@ class StreamUnaryTestMethodImplementation(test_interfaces.Method):
     raise NotImplementedError()
 
 
-class StreamUnaryTestMessages(object):
+class StreamUnaryTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for stream-request-unary-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def requests(self):
     """Affords a sequence of request messages.
@@ -214,11 +204,9 @@ class StreamUnaryTestMessages(object):
     raise NotImplementedError()
 
 
-class StreamStreamTestMethodImplementation(test_interfaces.Method):
+class StreamStreamTestMethodImplementation(six.with_metaclass(abc.ABCMeta, test_interfaces.Method)):
   """A controllable implementation of a stream-stream method."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def service(self, response_consumer, context, control):
     """Services an RPC that accepts and produces streams of messages.
@@ -244,11 +232,9 @@ class StreamStreamTestMethodImplementation(test_interfaces.Method):
     raise NotImplementedError()
 
 
-class StreamStreamTestMessages(object):
+class StreamStreamTestMessages(six.with_metaclass(abc.ABCMeta)):
   """A type for stream-request-stream-response message pairings."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def requests(self):
     """Affords a sequence of request messages.
@@ -278,11 +264,9 @@ class StreamStreamTestMessages(object):
     raise NotImplementedError()
 
 
-class TestService(object):
+class TestService(six.with_metaclass(abc.ABCMeta)):
   """A specification of implemented methods to use in tests."""
 
-  __metaclass__ = abc.ABCMeta
-
   @abc.abstractmethod
   def unary_unary_scenarios(self):
     """Affords unary-request-unary-response test methods and their messages.
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/test_cases.py b/src/python/grpcio/tests/unit/framework/interfaces/face/test_cases.py
index 06b9d77e52164457a3fd1c212a07b86d18116eb1..71de9d835e9f651716893ca999b48e8c1bf8c2a2 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/test_cases.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/test_cases.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/face/test_interfaces.py b/src/python/grpcio/tests/unit/framework/interfaces/face/test_interfaces.py
index b2b5c10fa6f733918509cf4bbb8cac0032bb5485..40f38e68ba1231b62363ff205a8e90efc3a06975 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/face/test_interfaces.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/face/test_interfaces.py
@@ -31,13 +31,14 @@
 
 import abc
 
+import six
+
 from grpc.framework.common import cardinality  # pylint: disable=unused-import
 from grpc.framework.interfaces.face import face  # pylint: disable=unused-import
 
 
-class Method(object):
+class Method(six.with_metaclass(abc.ABCMeta)):
   """Specifies a method to be used in tests."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def group(self):
@@ -126,9 +127,8 @@ class Method(object):
     raise NotImplementedError()
 
 
-class Implementation(object):
+class Implementation(six.with_metaclass(abc.ABCMeta)):
   """Specifies an implementation of the Face layer."""
-  __metaclass__ = abc.ABCMeta
 
   @abc.abstractmethod
   def instantiate(
diff --git a/src/python/grpcio/tests/unit/framework/interfaces/links/test_cases.py b/src/python/grpcio/tests/unit/framework/interfaces/links/test_cases.py
index dace6c23f3f0b9b50f41caa391f9e4fdf6aded53..608e64119ec9586637d5c55ac0800d3a499014cc 100644
--- a/src/python/grpcio/tests/unit/framework/interfaces/links/test_cases.py
+++ b/src/python/grpcio/tests/unit/framework/interfaces/links/test_cases.py
@@ -33,6 +33,8 @@
 import abc
 import unittest  # pylint: disable=unused-import
 
+import six
+
 from grpc.framework.interfaces.links import links
 from tests.unit.framework.common import test_constants
 from tests.unit.framework.interfaces.links import test_utilities
@@ -58,13 +60,12 @@ _TRANSMISSION_GROUP = 'test.Group'
 _TRANSMISSION_METHOD = 'TestMethod'
 
 
-class TransmissionTest(object):
+class TransmissionTest(six.with_metaclass(abc.ABCMeta)):
   """Tests ticket transmission between two connected links.
 
   This class must be mixed into a unittest.TestCase that implements the abstract
   methods it provides.
   """
-  __metaclass__ = abc.ABCMeta
 
   # This is a unittest.TestCase mix-in.
   # pylint: disable=invalid-name
diff --git a/src/python/grpcio/tests/unit/test_common.py b/src/python/grpcio/tests/unit/test_common.py
index 29431bfb9dd282f170b7a1f468887edfa74a8282..7b4d20dccbe060c98de8b78e4ece450a439b16c7 100644
--- a/src/python/grpcio/tests/unit/test_common.py
+++ b/src/python/grpcio/tests/unit/test_common.py
@@ -31,6 +31,8 @@
 
 import collections
 
+import six
+
 INVOCATION_INITIAL_METADATA = ((b'0', b'abc'), (b'1', b'def'), (b'2', b'ghi'),)
 SERVICE_INITIAL_METADATA = ((b'3', b'jkl'), (b'4', b'mno'), (b'5', b'pqr'),)
 SERVICE_TERMINAL_METADATA = ((b'6', b'stu'), (b'7', b'vwx'), (b'8', b'yza'),)
@@ -65,7 +67,7 @@ def metadata_transmitted(original_metadata, transmitted_metadata):
     key, value = tuple(key_value_pair)
     transmitted[key].append(value)
 
-  for key, values in original.iteritems():
+  for key, values in six.iteritems(original):
     transmitted_values = transmitted[key]
     transmitted_iterator = iter(transmitted_values)
     try:
diff --git a/src/python/grpcio_health_checking/grpc/health/v1/__init__.py b/src/python/grpcio_health_checking/grpc/health/v1/__init__.py
index 13aac79160b8db0fd6863590a4d044464b72dbcc..708651910607ffb686d781713f6893567821b9fd 100644
--- a/src/python/grpcio_health_checking/grpc/health/v1/__init__.py
+++ b/src/python/grpcio_health_checking/grpc/health/v1/__init__.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio_health_checking/grpc/health/v1/health.proto b/src/python/grpcio_health_checking/grpc/health/v1/health.proto
index de10719b6ced765117e2a4c5672af8a010fa2bd3..b0bac54be9810b1c8d2b86dd0e613da4673386df 100644
--- a/src/python/grpcio_health_checking/grpc/health/v1/health.proto
+++ b/src/python/grpcio_health_checking/grpc/health/v1/health.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio_health_checking/grpc/health/v1/health.py b/src/python/grpcio_health_checking/grpc/health/v1/health.py
index 60cbd644330b2ac48126fed40c58768de087c007..4b5af15aa68a92fb0d34c1737969feac7c1ba710 100644
--- a/src/python/grpcio_health_checking/grpc/health/v1/health.py
+++ b/src/python/grpcio_health_checking/grpc/health/v1/health.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/ext/grpc/extconf.rb b/src/ruby/ext/grpc/extconf.rb
index 6b7001a4899d774b747c6887d7cca582fefb0b74..82b6d313c866208127ad20f105ac8484328eaa09 100644
--- a/src/ruby/ext/grpc/extconf.rb
+++ b/src/ruby/ext/grpc/extconf.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/ext/grpc/rb_byte_buffer.c b/src/ruby/ext/grpc/rb_byte_buffer.c
index db7cac363a3714c453f00f7ca4ea58f36efaf5cb..cba910d832a8f9e12fe7d4d0b555447257392830 100644
--- a/src/ruby/ext/grpc/rb_byte_buffer.c
+++ b/src/ruby/ext/grpc/rb_byte_buffer.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -50,21 +50,18 @@ grpc_byte_buffer* grpc_rb_s_to_byte_buffer(char *string, size_t length) {
 }
 
 VALUE grpc_rb_byte_buffer_to_s(grpc_byte_buffer *buffer) {
-  size_t length = 0;
-  char *string = NULL;
-  size_t offset = 0;
+  VALUE rb_string;
   grpc_byte_buffer_reader reader;
   gpr_slice next;
   if (buffer == NULL) {
     return Qnil;
-
   }
-  length = grpc_byte_buffer_length(buffer);
-  string = xmalloc(length + 1);
+  rb_string = rb_str_buf_new(grpc_byte_buffer_length(buffer));
   grpc_byte_buffer_reader_init(&reader, buffer);
   while (grpc_byte_buffer_reader_next(&reader, &next) != 0) {
-    memcpy(string + offset, GPR_SLICE_START_PTR(next), GPR_SLICE_LENGTH(next));
-    offset += GPR_SLICE_LENGTH(next);
+    rb_str_cat(rb_string, (const char *) GPR_SLICE_START_PTR(next),
+               GPR_SLICE_LENGTH(next));
+    gpr_slice_unref(next);
   }
-  return rb_str_new(string, length);
+  return rb_string;
 }
diff --git a/src/ruby/ext/grpc/rb_call.c b/src/ruby/ext/grpc/rb_call.c
index af05ddf6e7869f2e69f446345f2b7e91a4716f2c..48c49a21e91d5c6a52818b5a847c877c0598e1f3 100644
--- a/src/ruby/ext/grpc/rb_call.c
+++ b/src/ruby/ext/grpc/rb_call.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -72,6 +72,10 @@ static ID id_cq;
  * the flags used to create metadata from a Hash */
 static ID id_flags;
 
+/* id_credentials is the name of the hidden ivar that preserves the value
+ * of the credentials added to the call */
+static ID id_credentials;
+
 /* id_input_md is the name of the hidden ivar that preserves the hash used to
  * create metadata, so that references to the strings it contains last as long
  * as the call the metadata is added to. */
@@ -210,6 +214,35 @@ static VALUE grpc_rb_call_get_peer(VALUE self) {
   return res;
 }
 
+/* Called to obtain the x509 cert of an authenticated peer. */
+static VALUE grpc_rb_call_get_peer_cert(VALUE self) {
+  grpc_call *call = NULL;
+  VALUE res = Qnil;
+  grpc_auth_context *ctx = NULL;
+  TypedData_Get_Struct(self, grpc_call, &grpc_call_data_type, call);
+
+  ctx = grpc_call_auth_context(call);
+
+  if (!ctx || !grpc_auth_context_peer_is_authenticated(ctx)) {
+    return Qnil;
+  }
+
+  {
+    grpc_auth_property_iterator it =
+        grpc_auth_context_find_properties_by_name(ctx, GRPC_X509_PEM_CERT_PROPERTY_NAME);
+    const grpc_auth_property *prop = grpc_auth_property_iterator_next(&it);
+    if (prop == NULL) {
+      return Qnil;
+    }
+
+    res = rb_str_new2(prop->value);
+  }
+
+  grpc_auth_context_release(ctx);
+
+  return res;
+}
+
 /*
   call-seq:
   status = call.status
@@ -299,6 +332,7 @@ static VALUE grpc_rb_call_set_credentials(VALUE self, VALUE credentials) {
              "grpc_call_set_credentials failed with %s (code=%d)",
              grpc_call_error_detail_of(err), err);
   }
+  rb_ivar_set(self, id_credentials, credentials);
   return Qnil;
 }
 
@@ -354,7 +388,7 @@ static int grpc_rb_md_ary_fill_hash_cb(VALUE key, VALUE val, VALUE md_ary_obj) {
       md_ary->metadata[md_ary->count].value_length = value_len;
       md_ary->count += 1;
     }
-  } else {
+  } else if (TYPE(val) == T_STRING) {
     value_str = RSTRING_PTR(val);
     value_len = RSTRING_LEN(val);
     if (!grpc_is_binary_header(key_str, key_len) &&
@@ -368,6 +402,10 @@ static int grpc_rb_md_ary_fill_hash_cb(VALUE key, VALUE val, VALUE md_ary_obj) {
     md_ary->metadata[md_ary->count].value = value_str;
     md_ary->metadata[md_ary->count].value_length = value_len;
     md_ary->count += 1;
+  } else {
+    rb_raise(rb_eArgError,
+               "Header values must be of type string or array");
+    return ST_STOP;
   }
 
   return ST_CONTINUE;
@@ -546,13 +584,26 @@ static void grpc_run_batch_stack_init(run_batch_stack *st,
 /* grpc_run_batch_stack_cleanup ensures the run_batch_stack is properly
  * cleaned up */
 static void grpc_run_batch_stack_cleanup(run_batch_stack *st) {
+  size_t i = 0;
+
   grpc_metadata_array_destroy(&st->send_metadata);
   grpc_metadata_array_destroy(&st->send_trailing_metadata);
   grpc_metadata_array_destroy(&st->recv_metadata);
   grpc_metadata_array_destroy(&st->recv_trailing_metadata);
+
   if (st->recv_status_details != NULL) {
     gpr_free(st->recv_status_details);
   }
+
+  if (st->recv_message != NULL) {
+    grpc_byte_buffer_destroy(st->recv_message);
+  }
+
+  for (i = 0; i < st->op_num; i++) {
+    if (st->ops[i].op == GRPC_OP_SEND_MESSAGE) {
+      grpc_byte_buffer_destroy(st->ops[i].data.send_message);
+    }
+  }
 }
 
 /* grpc_run_batch_stack_fill_ops fills the run_batch_stack ops array from
@@ -638,7 +689,6 @@ static VALUE grpc_run_batch_stack_build_result(run_batch_stack *st) {
         break;
       case GRPC_OP_SEND_MESSAGE:
         rb_struct_aset(result, sym_send_message, Qtrue);
-        grpc_byte_buffer_destroy(st->ops[i].data.send_message);
         break;
       case GRPC_OP_SEND_CLOSE_FROM_CLIENT:
         rb_struct_aset(result, sym_send_close, Qtrue);
@@ -840,6 +890,7 @@ void Init_grpc_call() {
   rb_define_method(grpc_rb_cCall, "run_batch", grpc_rb_call_run_batch, 4);
   rb_define_method(grpc_rb_cCall, "cancel", grpc_rb_call_cancel, 0);
   rb_define_method(grpc_rb_cCall, "peer", grpc_rb_call_get_peer, 0);
+  rb_define_method(grpc_rb_cCall, "peer_cert", grpc_rb_call_get_peer_cert, 0);
   rb_define_method(grpc_rb_cCall, "status", grpc_rb_call_get_status, 0);
   rb_define_method(grpc_rb_cCall, "status=", grpc_rb_call_set_status, 1);
   rb_define_method(grpc_rb_cCall, "metadata", grpc_rb_call_get_metadata, 0);
@@ -859,6 +910,7 @@ void Init_grpc_call() {
   id_cq = rb_intern("__cq");
   id_flags = rb_intern("__flags");
   id_input_md = rb_intern("__input_md");
+  id_credentials = rb_intern("__credentials");
 
   /* Ids used in constructing the batch result. */
   sym_send_message = ID2SYM(rb_intern("send_message"));
diff --git a/src/ruby/ext/grpc/rb_call_credentials.c b/src/ruby/ext/grpc/rb_call_credentials.c
index 2426f106a99e0745058e3fa7b67bf78bed260b47..38bf1f7710f8c8fbe8b6d98703ee3d39fdf4d0df 100644
--- a/src/ruby/ext/grpc/rb_call_credentials.c
+++ b/src/ruby/ext/grpc/rb_call_credentials.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,6 +41,7 @@
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
 
 #include "rb_call.h"
 #include "rb_event_thread.h"
@@ -50,9 +51,9 @@
  * grpc_call_credentials */
 static VALUE grpc_rb_cCallCredentials = Qnil;
 
-/* grpc_rb_call_credentials wraps a grpc_call_credentials. It provides a peer
- * ruby object, 'mark' to minimize copying when a credential is created from
- * ruby. */
+/* grpc_rb_call_credentials wraps a grpc_call_credentials. It provides a mark
+ * object that is used to hold references to any objects used to create the
+ * credentials. */
 typedef struct grpc_rb_call_credentials {
   /* Holder of ruby objects involved in contructing the credentials */
   VALUE mark;
@@ -81,14 +82,23 @@ static VALUE grpc_rb_call_credentials_callback(VALUE callback_args) {
 static VALUE grpc_rb_call_credentials_callback_rescue(VALUE args,
                                                       VALUE exception_object) {
   VALUE result = rb_hash_new();
+  VALUE backtrace = rb_funcall(
+      rb_funcall(exception_object, rb_intern("backtrace"), 0),
+      rb_intern("join"),
+      1, rb_str_new2("\n\tfrom "));
+  VALUE exception_info = rb_funcall(exception_object, rb_intern("to_s"), 0);
+  const char *exception_classname = rb_obj_classname(exception_object);
   (void)args;
+  gpr_log(GPR_INFO, "Call credentials callback failed: %s: %s\n%s",
+          exception_classname, StringValueCStr(exception_info),
+          StringValueCStr(backtrace));
   rb_hash_aset(result, rb_str_new2("metadata"), Qnil);
   /* Currently only gives the exception class name. It should be possible get
      more details */
   rb_hash_aset(result, rb_str_new2("status"),
                INT2NUM(GRPC_STATUS_PERMISSION_DENIED));
   rb_hash_aset(result, rb_str_new2("details"),
-               rb_str_new2(rb_obj_classname(exception_object)));
+               rb_str_new2(exception_classname));
   return result;
 }
 
@@ -146,13 +156,8 @@ static void grpc_rb_call_credentials_free(void *p) {
     return;
   }
   wrapper = (grpc_rb_call_credentials *)p;
-
-  /* Delete the wrapped object if the mark object is Qnil, which indicates that
-   * no other object is the actual owner. */
-  if (wrapper->wrapped != NULL && wrapper->mark == Qnil) {
-    grpc_call_credentials_release(wrapper->wrapped);
-    wrapper->wrapped = NULL;
-  }
+  grpc_call_credentials_release(wrapper->wrapped);
+  wrapper->wrapped = NULL;
 
   xfree(p);
 }
@@ -164,8 +169,6 @@ static void grpc_rb_call_credentials_mark(void *p) {
     return;
   }
   wrapper = (grpc_rb_call_credentials *)p;
-
-  /* If it's not already cleaned up, mark the mark object */
   if (wrapper->mark != Qnil) {
     rb_gc_mark(wrapper->mark);
   }
@@ -194,7 +197,7 @@ static VALUE grpc_rb_call_credentials_alloc(VALUE cls) {
 /* Creates a wrapping object for a given call credentials. This should only be
  * called with grpc_call_credentials objects that are not already associated
  * with any Ruby object */
-VALUE grpc_rb_wrap_call_credentials(grpc_call_credentials *c) {
+VALUE grpc_rb_wrap_call_credentials(grpc_call_credentials *c, VALUE mark) {
   VALUE rb_wrapper;
   grpc_rb_call_credentials *wrapper;
   if (c == NULL) {
@@ -204,6 +207,7 @@ VALUE grpc_rb_wrap_call_credentials(grpc_call_credentials *c) {
   TypedData_Get_Struct(rb_wrapper, grpc_rb_call_credentials,
                        &grpc_rb_call_credentials_data_type, wrapper);
   wrapper->wrapped = c;
+  wrapper->mark = mark;
   return rb_wrapper;
 }
 
@@ -267,6 +271,7 @@ static VALUE grpc_rb_call_credentials_init(VALUE self, VALUE proc) {
     return Qnil;
   }
 
+  wrapper->mark = proc;
   wrapper->wrapped = creds;
   rb_ivar_set(self, id_callback, proc);
 
@@ -277,15 +282,18 @@ static VALUE grpc_rb_call_credentials_compose(int argc, VALUE *argv,
                                               VALUE self) {
   grpc_call_credentials *creds;
   grpc_call_credentials *other;
+  VALUE mark;
   if (argc == 0) {
     return self;
   }
+  mark = rb_ary_new();
   creds = grpc_rb_get_wrapped_call_credentials(self);
   for (int i = 0; i < argc; i++) {
+    rb_ary_push(mark, argv[i]);
     other = grpc_rb_get_wrapped_call_credentials(argv[i]);
     creds = grpc_composite_call_credentials_create(creds, other, NULL);
   }
-  return grpc_rb_wrap_call_credentials(creds);
+  return grpc_rb_wrap_call_credentials(creds, mark);
 }
 
 void Init_grpc_call_credentials() {
diff --git a/src/ruby/ext/grpc/rb_channel.c b/src/ruby/ext/grpc/rb_channel.c
index 0e6badbdaf09cb88d002f566e3013f862ae284fe..984afad1073cf680f7b6194dffb9809621073eae 100644
--- a/src/ruby/ext/grpc/rb_channel.c
+++ b/src/ruby/ext/grpc/rb_channel.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -70,11 +70,10 @@ static VALUE grpc_rb_cChannel = Qnil;
 /* Used during the conversion of a hash to channel args during channel setup */
 static VALUE grpc_rb_cChannelArgs;
 
-/* grpc_rb_channel wraps a grpc_channel.  It provides a peer ruby object,
- * 'mark' to minimize copying when a channel is created from ruby. */
+/* grpc_rb_channel wraps a grpc_channel. */
 typedef struct grpc_rb_channel {
-  /* Holder of ruby objects involved in constructing the channel */
-  VALUE mark;
+  VALUE credentials;
+
   /* The actual channel */
   grpc_channel *wrapped;
 } grpc_rb_channel;
@@ -87,13 +86,8 @@ static void grpc_rb_channel_free(void *p) {
   };
   ch = (grpc_rb_channel *)p;
 
-  /* Deletes the wrapped object if the mark object is Qnil, which indicates
-   * that no other object is the actual owner. */
-  if (ch->wrapped != NULL && ch->mark == Qnil) {
+  if (ch->wrapped != NULL) {
     grpc_channel_destroy(ch->wrapped);
-    rb_warning("channel gc: destroyed the c channel");
-  } else {
-    rb_warning("channel gc: did not destroy the c channel");
   }
 
   xfree(p);
@@ -106,8 +100,8 @@ static void grpc_rb_channel_mark(void *p) {
     return;
   }
   channel = (grpc_rb_channel *)p;
-  if (channel->mark != Qnil) {
-    rb_gc_mark(channel->mark);
+  if (channel->credentials != Qnil) {
+    rb_gc_mark(channel->credentials);
   }
 }
 
@@ -125,7 +119,7 @@ static rb_data_type_t grpc_channel_data_type = {
 static VALUE grpc_rb_channel_alloc(VALUE cls) {
   grpc_rb_channel *wrapper = ALLOC(grpc_rb_channel);
   wrapper->wrapped = NULL;
-  wrapper->mark = Qnil;
+  wrapper->credentials = Qnil;
   return TypedData_Wrap_Struct(cls, &grpc_channel_data_type, wrapper);
 }
 
@@ -162,6 +156,7 @@ static VALUE grpc_rb_channel_init(int argc, VALUE *argv, VALUE self) {
     }
     ch = grpc_insecure_channel_create(target_chars, &args, NULL);
   } else {
+    wrapper->credentials = credentials;
     creds = grpc_rb_get_wrapped_channel_credentials(credentials);
     ch = grpc_secure_channel_create(creds, target_chars, &args, NULL);
   }
@@ -330,7 +325,6 @@ static VALUE grpc_rb_channel_destroy(VALUE self) {
   if (ch != NULL) {
     grpc_channel_destroy(ch);
     wrapper->wrapped = NULL;
-    wrapper->mark = Qnil;
   }
 
   return Qnil;
diff --git a/src/ruby/ext/grpc/rb_channel_args.c b/src/ruby/ext/grpc/rb_channel_args.c
index 69827cea1c4263a2ca1211e3a67f11a573ee949a..2ffb8f41daeff5386bc2b1a66d3a2a2103fd09b6 100644
--- a/src/ruby/ext/grpc/rb_channel_args.c
+++ b/src/ruby/ext/grpc/rb_channel_args.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/ext/grpc/rb_channel_credentials.c b/src/ruby/ext/grpc/rb_channel_credentials.c
index 8c6fc3b7eb683f68d62f10dfa21ecaa65c44a928..10391bc96359c98e3c837ff45d1f2a7101c9944c 100644
--- a/src/ruby/ext/grpc/rb_channel_credentials.c
+++ b/src/ruby/ext/grpc/rb_channel_credentials.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,8 +49,8 @@
 static VALUE grpc_rb_cChannelCredentials = Qnil;
 
 /* grpc_rb_channel_credentials wraps a grpc_channel_credentials.  It provides a
- * peer ruby object, 'mark' to minimize copying when a credential is
- * created from ruby. */
+ * mark object that is used to hold references to any objects used to create
+ * the credentials. */
 typedef struct grpc_rb_channel_credentials {
   /* Holder of ruby objects involved in constructing the credentials */
   VALUE mark;
@@ -66,13 +66,8 @@ static void grpc_rb_channel_credentials_free(void *p) {
     return;
   };
   wrapper = (grpc_rb_channel_credentials *)p;
-
-  /* Delete the wrapped object if the mark object is Qnil, which indicates that
-   * no other object is the actual owner. */
-  if (wrapper->wrapped != NULL && wrapper->mark == Qnil) {
-    grpc_channel_credentials_release(wrapper->wrapped);
-    wrapper->wrapped = NULL;
-  }
+  grpc_channel_credentials_release(wrapper->wrapped);
+  wrapper->wrapped = NULL;
 
   xfree(p);
 }
@@ -85,7 +80,6 @@ static void grpc_rb_channel_credentials_mark(void *p) {
   }
   wrapper = (grpc_rb_channel_credentials *)p;
 
-  /* If it's not already cleaned up, mark the mark object */
   if (wrapper->mark != Qnil) {
     rb_gc_mark(wrapper->mark);
   }
@@ -114,7 +108,7 @@ static VALUE grpc_rb_channel_credentials_alloc(VALUE cls) {
 /* Creates a wrapping object for a given channel credentials. This should only
  * be called with grpc_channel_credentials objects that are not already
  * associated with any Ruby object. */
-VALUE grpc_rb_wrap_channel_credentials(grpc_channel_credentials *c) {
+VALUE grpc_rb_wrap_channel_credentials(grpc_channel_credentials *c, VALUE mark) {
   VALUE rb_wrapper;
   grpc_rb_channel_credentials *wrapper;
   if (c == NULL) {
@@ -124,6 +118,7 @@ VALUE grpc_rb_wrap_channel_credentials(grpc_channel_credentials *c) {
   TypedData_Get_Struct(rb_wrapper, grpc_rb_channel_credentials,
                        &grpc_rb_channel_credentials_data_type, wrapper);
   wrapper->wrapped = c;
+  wrapper->mark = mark;
   return rb_wrapper;
 }
 
@@ -222,11 +217,15 @@ static VALUE grpc_rb_channel_credentials_compose(int argc, VALUE *argv,
                                                  VALUE self) {
   grpc_channel_credentials *creds;
   grpc_call_credentials *other;
+  VALUE mark;
   if (argc == 0) {
     return self;
   }
+  mark = rb_ary_new();
+  rb_ary_push(mark, self);
   creds = grpc_rb_get_wrapped_channel_credentials(self);
   for (int i = 0; i < argc; i++) {
+    rb_ary_push(mark, argv[i]);
     other = grpc_rb_get_wrapped_call_credentials(argv[i]);
     creds = grpc_composite_channel_credentials_create(creds, other, NULL);
     if (creds == NULL) {
@@ -234,7 +233,7 @@ static VALUE grpc_rb_channel_credentials_compose(int argc, VALUE *argv,
                "Failed to compose channel and call credentials");
     }
   }
-  return grpc_rb_wrap_channel_credentials(creds);
+  return grpc_rb_wrap_channel_credentials(creds, mark);
 }
 
 void Init_grpc_channel_credentials() {
diff --git a/src/ruby/ext/grpc/rb_completion_queue.c b/src/ruby/ext/grpc/rb_completion_queue.c
index 1eb5a28750086a0017d012b9e302a1b359624c14..2a2eee190cdeec501f3b1fafaf7904e2d2b26b42 100644
--- a/src/ruby/ext/grpc/rb_completion_queue.c
+++ b/src/ruby/ext/grpc/rb_completion_queue.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/ext/grpc/rb_grpc.c b/src/ruby/ext/grpc/rb_grpc.c
index 0f9b18fa212a44278d80222f653bc59f483d44d1..acb47b005583e830e96731d21883ba8888e4e97b 100644
--- a/src/ruby/ext/grpc/rb_grpc.c
+++ b/src/ruby/ext/grpc/rb_grpc.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/ext/grpc/rb_grpc_imports.generated.c b/src/ruby/ext/grpc/rb_grpc_imports.generated.c
index 56db4ec686b5fb8ccecdcebf61bdd0bcfbf01b9c..e2068d752aba6567247e53544b3a507f3a3cf634 100644
--- a/src/ruby/ext/grpc/rb_grpc_imports.generated.c
+++ b/src/ruby/ext/grpc/rb_grpc_imports.generated.c
@@ -152,6 +152,7 @@ grpc_metadata_credentials_create_from_plugin_type grpc_metadata_credentials_crea
 grpc_secure_channel_create_type grpc_secure_channel_create_import;
 grpc_server_credentials_release_type grpc_server_credentials_release_import;
 grpc_ssl_server_credentials_create_type grpc_ssl_server_credentials_create_import;
+grpc_ssl_server_credentials_create_ex_type grpc_ssl_server_credentials_create_ex_import;
 grpc_server_add_secure_http2_port_type grpc_server_add_secure_http2_port_import;
 grpc_call_set_credentials_type grpc_call_set_credentials_import;
 grpc_server_credentials_set_auth_metadata_processor_type grpc_server_credentials_set_auth_metadata_processor_import;
@@ -174,6 +175,8 @@ grpc_byte_buffer_reader_readall_type grpc_byte_buffer_reader_readall_import;
 grpc_raw_byte_buffer_from_reader_type grpc_raw_byte_buffer_from_reader_import;
 gpr_log_type gpr_log_import;
 gpr_log_message_type gpr_log_message_import;
+gpr_set_log_verbosity_type gpr_set_log_verbosity_import;
+gpr_log_verbosity_init_type gpr_log_verbosity_init_import;
 gpr_set_log_function_type gpr_set_log_function_import;
 gpr_slice_ref_type gpr_slice_ref_import;
 gpr_slice_unref_type gpr_slice_unref_import;
@@ -414,6 +417,7 @@ void grpc_rb_load_imports(HMODULE library) {
   grpc_secure_channel_create_import = (grpc_secure_channel_create_type) GetProcAddress(library, "grpc_secure_channel_create");
   grpc_server_credentials_release_import = (grpc_server_credentials_release_type) GetProcAddress(library, "grpc_server_credentials_release");
   grpc_ssl_server_credentials_create_import = (grpc_ssl_server_credentials_create_type) GetProcAddress(library, "grpc_ssl_server_credentials_create");
+  grpc_ssl_server_credentials_create_ex_import = (grpc_ssl_server_credentials_create_ex_type) GetProcAddress(library, "grpc_ssl_server_credentials_create_ex");
   grpc_server_add_secure_http2_port_import = (grpc_server_add_secure_http2_port_type) GetProcAddress(library, "grpc_server_add_secure_http2_port");
   grpc_call_set_credentials_import = (grpc_call_set_credentials_type) GetProcAddress(library, "grpc_call_set_credentials");
   grpc_server_credentials_set_auth_metadata_processor_import = (grpc_server_credentials_set_auth_metadata_processor_type) GetProcAddress(library, "grpc_server_credentials_set_auth_metadata_processor");
@@ -436,6 +440,8 @@ void grpc_rb_load_imports(HMODULE library) {
   grpc_raw_byte_buffer_from_reader_import = (grpc_raw_byte_buffer_from_reader_type) GetProcAddress(library, "grpc_raw_byte_buffer_from_reader");
   gpr_log_import = (gpr_log_type) GetProcAddress(library, "gpr_log");
   gpr_log_message_import = (gpr_log_message_type) GetProcAddress(library, "gpr_log_message");
+  gpr_set_log_verbosity_import = (gpr_set_log_verbosity_type) GetProcAddress(library, "gpr_set_log_verbosity");
+  gpr_log_verbosity_init_import = (gpr_log_verbosity_init_type) GetProcAddress(library, "gpr_log_verbosity_init");
   gpr_set_log_function_import = (gpr_set_log_function_type) GetProcAddress(library, "gpr_set_log_function");
   gpr_slice_ref_import = (gpr_slice_ref_type) GetProcAddress(library, "gpr_slice_ref");
   gpr_slice_unref_import = (gpr_slice_unref_type) GetProcAddress(library, "gpr_slice_unref");
diff --git a/src/ruby/ext/grpc/rb_grpc_imports.generated.h b/src/ruby/ext/grpc/rb_grpc_imports.generated.h
index b972f60fc3584dbed102d5b306f451b9ac14634a..c8d21333ba2906c756cf52364bc48a8a1001bae9 100644
--- a/src/ruby/ext/grpc/rb_grpc_imports.generated.h
+++ b/src/ruby/ext/grpc/rb_grpc_imports.generated.h
@@ -166,7 +166,7 @@ extern grpc_compression_algorithm_parse_type grpc_compression_algorithm_parse_im
 typedef int(*grpc_compression_algorithm_name_type)(grpc_compression_algorithm algorithm, char **name);
 extern grpc_compression_algorithm_name_type grpc_compression_algorithm_name_import;
 #define grpc_compression_algorithm_name grpc_compression_algorithm_name_import
-typedef grpc_compression_algorithm(*grpc_compression_algorithm_for_level_type)(grpc_compression_level level);
+typedef grpc_compression_algorithm(*grpc_compression_algorithm_for_level_type)(grpc_compression_level level, uint32_t accepted_encodings);
 extern grpc_compression_algorithm_for_level_type grpc_compression_algorithm_for_level_import;
 #define grpc_compression_algorithm_for_level grpc_compression_algorithm_for_level_import
 typedef void(*grpc_compression_options_init_type)(grpc_compression_options *opts);
@@ -283,7 +283,7 @@ extern grpc_call_destroy_type grpc_call_destroy_import;
 typedef grpc_call_error(*grpc_server_request_call_type)(grpc_server *server, grpc_call **call, grpc_call_details *details, grpc_metadata_array *request_metadata, grpc_completion_queue *cq_bound_to_call, grpc_completion_queue *cq_for_notification, void *tag_new);
 extern grpc_server_request_call_type grpc_server_request_call_import;
 #define grpc_server_request_call grpc_server_request_call_import
-typedef void *(*grpc_server_register_method_type)(grpc_server *server, const char *method, const char *host);
+typedef void *(*grpc_server_register_method_type)(grpc_server *server, const char *method, const char *host, grpc_server_register_method_payload_handling payload_handling, uint32_t flags);
 extern grpc_server_register_method_type grpc_server_register_method_import;
 #define grpc_server_register_method grpc_server_register_method_import
 typedef grpc_call_error(*grpc_server_request_registered_call_type)(grpc_server *server, void *registered_method, grpc_call **call, gpr_timespec *deadline, grpc_metadata_array *request_metadata, grpc_byte_buffer **optional_payload, grpc_completion_queue *cq_bound_to_call, grpc_completion_queue *cq_for_notification, void *tag_new);
@@ -406,6 +406,9 @@ extern grpc_server_credentials_release_type grpc_server_credentials_release_impo
 typedef grpc_server_credentials *(*grpc_ssl_server_credentials_create_type)(const char *pem_root_certs, grpc_ssl_pem_key_cert_pair *pem_key_cert_pairs, size_t num_key_cert_pairs, int force_client_auth, void *reserved);
 extern grpc_ssl_server_credentials_create_type grpc_ssl_server_credentials_create_import;
 #define grpc_ssl_server_credentials_create grpc_ssl_server_credentials_create_import
+typedef grpc_server_credentials *(*grpc_ssl_server_credentials_create_ex_type)(const char *pem_root_certs, grpc_ssl_pem_key_cert_pair *pem_key_cert_pairs, size_t num_key_cert_pairs, grpc_ssl_client_certificate_request_type client_certificate_request, void *reserved);
+extern grpc_ssl_server_credentials_create_ex_type grpc_ssl_server_credentials_create_ex_import;
+#define grpc_ssl_server_credentials_create_ex grpc_ssl_server_credentials_create_ex_import
 typedef int(*grpc_server_add_secure_http2_port_type)(grpc_server *server, const char *addr, grpc_server_credentials *creds);
 extern grpc_server_add_secure_http2_port_type grpc_server_add_secure_http2_port_import;
 #define grpc_server_add_secure_http2_port grpc_server_add_secure_http2_port_import
@@ -472,6 +475,12 @@ extern gpr_log_type gpr_log_import;
 typedef void(*gpr_log_message_type)(const char *file, int line, gpr_log_severity severity, const char *message);
 extern gpr_log_message_type gpr_log_message_import;
 #define gpr_log_message gpr_log_message_import
+typedef void(*gpr_set_log_verbosity_type)(gpr_log_severity min_severity_to_print);
+extern gpr_set_log_verbosity_type gpr_set_log_verbosity_import;
+#define gpr_set_log_verbosity gpr_set_log_verbosity_import
+typedef void(*gpr_log_verbosity_init_type)();
+extern gpr_log_verbosity_init_type gpr_log_verbosity_init_import;
+#define gpr_log_verbosity_init gpr_log_verbosity_init_import
 typedef void(*gpr_set_log_function_type)(gpr_log_func func);
 extern gpr_set_log_function_type gpr_set_log_function_import;
 #define gpr_set_log_function gpr_set_log_function_import
diff --git a/src/ruby/ext/grpc/rb_server.c b/src/ruby/ext/grpc/rb_server.c
index 37cc55a6514e34cb1851de4290c37ec36971b5db..96e60c67763e1b655b5697a3477970ca4365b47c 100644
--- a/src/ruby/ext/grpc/rb_server.c
+++ b/src/ruby/ext/grpc/rb_server.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/ext/grpc/rb_server_credentials.c b/src/ruby/ext/grpc/rb_server_credentials.c
index 4ea59b6b27fe3aedd397cfba73811800fb3d4158..b2d7280a30ac142b48c148cd7bb52913009822f8 100644
--- a/src/ruby/ext/grpc/rb_server_credentials.c
+++ b/src/ruby/ext/grpc/rb_server_credentials.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -90,9 +90,12 @@ static void grpc_rb_server_credentials_mark(void *p) {
 
 static const rb_data_type_t grpc_rb_server_credentials_data_type = {
     "grpc_server_credentials",
-    {grpc_rb_server_credentials_mark, grpc_rb_server_credentials_free,
-     GRPC_RB_MEMSIZE_UNAVAILABLE, {NULL, NULL}},
-    NULL, NULL,
+    {grpc_rb_server_credentials_mark,
+     grpc_rb_server_credentials_free,
+     GRPC_RB_MEMSIZE_UNAVAILABLE,
+     {NULL, NULL}},
+    NULL,
+    NULL,
 #ifdef RUBY_TYPED_FREE_IMMEDIATELY
     RUBY_TYPED_FREE_IMMEDIATELY
 #endif
@@ -219,7 +222,9 @@ static VALUE grpc_rb_server_credentials_init(VALUE self, VALUE pem_root_certs,
     }
   }
 
-  auth_client = TYPE(force_client_auth) == T_TRUE;
+  auth_client = TYPE(force_client_auth) == T_TRUE
+                    ? GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY
+                    : GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE;
   key_cert_pairs = ALLOC_N(grpc_ssl_pem_key_cert_pair, num_key_certs);
   for (i = 0; i < num_key_certs; i++) {
     key_cert = rb_ary_entry(pem_key_certs, i);
@@ -233,13 +238,12 @@ static VALUE grpc_rb_server_credentials_init(VALUE self, VALUE pem_root_certs,
                        &grpc_rb_server_credentials_data_type, wrapper);
 
   if (pem_root_certs == Qnil) {
-    creds = grpc_ssl_server_credentials_create(NULL, key_cert_pairs,
-                                               num_key_certs,
-                                               auth_client, NULL);
+    creds = grpc_ssl_server_credentials_create_ex(
+        NULL, key_cert_pairs, num_key_certs, auth_client, NULL);
   } else {
-    creds = grpc_ssl_server_credentials_create(RSTRING_PTR(pem_root_certs),
-                                               key_cert_pairs, num_key_certs,
-                                               auth_client, NULL);
+    creds = grpc_ssl_server_credentials_create_ex(RSTRING_PTR(pem_root_certs),
+                                                  key_cert_pairs, num_key_certs,
+                                                  auth_client, NULL);
   }
   xfree(key_cert_pairs);
   if (creds == NULL) {
diff --git a/src/ruby/lib/grpc.rb b/src/ruby/lib/grpc.rb
index 1671ba3550b8f20563cc26f0eeeef480f21322f0..a56c49ff59ea4f54ed5e656b9fd439003bb9b407 100644
--- a/src/ruby/lib/grpc.rb
+++ b/src/ruby/lib/grpc.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -32,13 +32,13 @@ unless ENV['GRPC_DEFAULT_SSL_ROOTS_FILE_PATH']
   ENV['GRPC_DEFAULT_SSL_ROOTS_FILE_PATH'] = ssl_roots_path
 end
 
-require 'grpc/errors'
-require 'grpc/grpc'
-require 'grpc/logconfig'
-require 'grpc/notifier'
-require 'grpc/version'
-require 'grpc/core/time_consts'
-require 'grpc/generic/active_call'
-require 'grpc/generic/client_stub'
-require 'grpc/generic/service'
-require 'grpc/generic/rpc_server'
+require_relative 'grpc/errors'
+require_relative 'grpc/grpc'
+require_relative 'grpc/logconfig'
+require_relative 'grpc/notifier'
+require_relative 'grpc/version'
+require_relative 'grpc/core/time_consts'
+require_relative 'grpc/generic/active_call'
+require_relative 'grpc/generic/client_stub'
+require_relative 'grpc/generic/service'
+require_relative 'grpc/generic/rpc_server'
diff --git a/src/ruby/lib/grpc/core/time_consts.rb b/src/ruby/lib/grpc/core/time_consts.rb
index c8eae7806b349b78affbcb279cc46210740d4c44..5be7ed2cb7948061eef014edda6c80645fd6a624 100644
--- a/src/ruby/lib/grpc/core/time_consts.rb
+++ b/src/ruby/lib/grpc/core/time_consts.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -27,7 +27,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-require 'grpc/grpc'
+require_relative '../grpc'
 
 # GRPC contains the General RPC module.
 module GRPC
diff --git a/src/ruby/lib/grpc/errors.rb b/src/ruby/lib/grpc/errors.rb
index 2227ee1f12b503d3ee92b89e11ad042412cda5c4..a1dd1e3e9d8d18d8c87945b7fbbece5a21d73d8e 100644
--- a/src/ruby/lib/grpc/errors.rb
+++ b/src/ruby/lib/grpc/errors.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -27,7 +27,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-require 'grpc/grpc'
+require_relative './grpc'
 
 # GRPC contains the General RPC module.
 module GRPC
diff --git a/src/ruby/lib/grpc/generic/active_call.rb b/src/ruby/lib/grpc/generic/active_call.rb
index e80d24edc9b487993c368ee693d61b8685d91c64..ecf3cc3293559409a94d22c2fbb361fde2e53a22 100644
--- a/src/ruby/lib/grpc/generic/active_call.rb
+++ b/src/ruby/lib/grpc/generic/active_call.rb
@@ -28,7 +28,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 require 'forwardable'
-require 'grpc/generic/bidi_call'
+require_relative 'bidi_call'
 
 class Struct
   # BatchResult is the struct returned by calls to call#start_batch.
@@ -59,7 +59,8 @@ module GRPC
     include Core::CallOps
     extend Forwardable
     attr_reader(:deadline)
-    def_delegators :@call, :cancel, :metadata, :write_flag, :write_flag=
+    def_delegators :@call, :cancel, :metadata, :write_flag, :write_flag=,
+                   :peer, :peer_cert
 
     # client_invoke begins a client invocation.
     #
@@ -472,7 +473,7 @@ module GRPC
     # SingleReqView limits access to an ActiveCall's methods for use in server
     # handlers that receive just one request.
     SingleReqView = view_class(:cancelled, :deadline, :metadata,
-                               :output_metadata)
+                               :output_metadata, :peer, :peer_cert)
 
     # MultiReqView limits access to an ActiveCall's methods for use in
     # server client_streamer handlers.
diff --git a/src/ruby/lib/grpc/generic/bidi_call.rb b/src/ruby/lib/grpc/generic/bidi_call.rb
index 213176bd488c877d1d9601c3ab2027682f7f3c08..1f6d5f365d75c98011f4ef4c09ebc718431d78aa 100644
--- a/src/ruby/lib/grpc/generic/bidi_call.rb
+++ b/src/ruby/lib/grpc/generic/bidi_call.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -28,7 +28,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 require 'forwardable'
-require 'grpc/grpc'
+require_relative '../grpc'
 
 # GRPC contains the General RPC module.
 module GRPC
diff --git a/src/ruby/lib/grpc/generic/client_stub.rb b/src/ruby/lib/grpc/generic/client_stub.rb
index 4da9ff086a9550bb1e7274f0a101df7759ef8b64..68e167a69fcc08368a429661b5b6e96f91d00391 100644
--- a/src/ruby/lib/grpc/generic/client_stub.rb
+++ b/src/ruby/lib/grpc/generic/client_stub.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -27,8 +27,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-require 'grpc/generic/active_call'
-require 'grpc/version'
+require_relative 'active_call'
+require_relative '../version'
 
 # GRPC contains the General RPC module.
 module GRPC
@@ -85,7 +85,8 @@ module GRPC
     # when present, this is the default timeout used for calls
     #
     # @param host [String] the host the stub connects to
-    # @param q [Core::CompletionQueue] used to wait for events
+    # @param q [Core::CompletionQueue] used to wait for events - now deprecated
+    #        since each new active call gets its own separately
     # @param creds [Core::ChannelCredentials|Symbol] the channel credentials, or
     #     :this_channel_is_insecure
     # @param channel_override [Core::Channel] a pre-created channel
@@ -97,7 +98,6 @@ module GRPC
                    propagate_mask: nil,
                    **kw)
       fail(TypeError, '!CompletionQueue') unless q.is_a?(Core::CompletionQueue)
-      @queue = q
       @ch = ClientStub.setup_channel(channel_override, host, creds, **kw)
       alt_host = kw[Core::Channel::SSL_TARGET]
       @host = alt_host.nil? ? host : alt_host
@@ -458,14 +458,17 @@ module GRPC
       if deadline.nil?
         deadline = from_relative_time(timeout.nil? ? @timeout : timeout)
       end
-      call = @ch.create_call(@queue,
+      # Provide each new client call with its own completion queue
+      call_queue = Core::CompletionQueue.new
+      call = @ch.create_call(call_queue,
                              parent, # parent call
                              @propagate_mask, # propagation options
                              method,
                              nil, # host use nil,
                              deadline)
       call.set_credentials! credentials unless credentials.nil?
-      ActiveCall.new(call, @queue, marshal, unmarshal, deadline, started: false)
+      ActiveCall.new(call, call_queue, marshal, unmarshal, deadline,
+                     started: false)
     end
   end
 end
diff --git a/src/ruby/lib/grpc/generic/rpc_desc.rb b/src/ruby/lib/grpc/generic/rpc_desc.rb
index 526b2ba5b61118c639e8621a0c8eda22582b8f85..cc21ffd3c5b77d715c0521f21f375fa60b00a99b 100644
--- a/src/ruby/lib/grpc/generic/rpc_desc.rb
+++ b/src/ruby/lib/grpc/generic/rpc_desc.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -27,7 +27,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-require 'grpc/grpc'
+require_relative '../grpc'
 
 # GRPC contains the General RPC module.
 module GRPC
diff --git a/src/ruby/lib/grpc/generic/rpc_server.rb b/src/ruby/lib/grpc/generic/rpc_server.rb
index b30d19dd2bbb676ef989b460f500b3eeaad25754..7f3a38a9f46e51ff0720f555c1ba5e0e2b339e82 100644
--- a/src/ruby/lib/grpc/generic/rpc_server.rb
+++ b/src/ruby/lib/grpc/generic/rpc_server.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -27,9 +27,9 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-require 'grpc/grpc'
-require 'grpc/generic/active_call'
-require 'grpc/generic/service'
+require_relative '../grpc'
+require_relative 'active_call'
+require_relative 'service'
 require 'thread'
 
 # A global that contains signals the gRPC servers should respond to.
@@ -332,10 +332,15 @@ module GRPC
     # the current thread to terminate it.
     def run_till_terminated
       GRPC.trap_signals
-      t = Thread.new { run }
+      stopped = false
+      t = Thread.new do
+        run
+        stopped = true
+      end
       wait_till_running
       loop do
         sleep SIGNAL_CHECK_PERIOD
+        break if stopped
         break unless GRPC.handle_signals
       end
       stop
@@ -403,7 +408,7 @@ module GRPC
       loop_handle_server_calls
     end
 
-    # Sends UNAVAILABLE if there are too many unprocessed jobs
+    # Sends RESOURCE_EXHAUSTED if there are too many unprocessed jobs
     def available?(an_rpc)
       jobs_count, max = @pool.jobs_waiting, @max_waiting_requests
       GRPC.logger.info("waiting: #{jobs_count}, max: #{max}")
@@ -411,7 +416,7 @@ module GRPC
       GRPC.logger.warn("NOT AVAILABLE: too many jobs_waiting: #{an_rpc}")
       noop = proc { |x| x }
       c = ActiveCall.new(an_rpc.call, @cq, noop, noop, an_rpc.deadline)
-      c.send_status(StatusCodes::UNAVAILABLE, '')
+      c.send_status(StatusCodes::RESOURCE_EXHAUSTED, '')
       nil
     end
 
@@ -434,7 +439,6 @@ module GRPC
         begin
           an_rpc = @server.request_call(@cq, loop_tag, INFINITE_FUTURE)
           break if (!an_rpc.nil?) && an_rpc.call.nil?
-
           active_call = new_active_server_call(an_rpc)
           unless active_call.nil?
             @pool.schedule(active_call) do |ac|
diff --git a/src/ruby/lib/grpc/generic/service.rb b/src/ruby/lib/grpc/generic/service.rb
index 410e1add7dc4c88a40f57289e1708050405f77aa..8e940b5b13ee4e0a0a9f9ace61f03e3b1840d01b 100644
--- a/src/ruby/lib/grpc/generic/service.rb
+++ b/src/ruby/lib/grpc/generic/service.rb
@@ -27,8 +27,8 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-require 'grpc/generic/client_stub'
-require 'grpc/generic/rpc_desc'
+require_relative 'client_stub'
+require_relative 'rpc_desc'
 
 # GRPC contains the General RPC module.
 module GRPC
diff --git a/src/ruby/lib/grpc/grpc.rb b/src/ruby/lib/grpc/grpc.rb
index d8a4947494f010b68a8fa2bd81f9fa8b011f1030..b60a828d666f5229fc7a6c15e9ec1bd6a903a4b7 100644
--- a/src/ruby/lib/grpc/grpc.rb
+++ b/src/ruby/lib/grpc/grpc.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -28,7 +28,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 begin
-  require "grpc/#{RUBY_VERSION.sub(/\.\d$/, '')}/grpc_c"
+  require_relative "#{RUBY_VERSION.sub(/\.\d$/, '')}/grpc_c"
 rescue LoadError
-  require 'grpc/grpc_c'
+  require_relative 'grpc_c'
 end
diff --git a/src/ruby/lib/grpc/version.rb b/src/ruby/lib/grpc/version.rb
index ef0876159d7e05f172215c94e86366fcb10b226a..67c6a5d5a17ac071044b1a3ff04e82247f7f57f9 100644
--- a/src/ruby/lib/grpc/version.rb
+++ b/src/ruby/lib/grpc/version.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/pb/generate_proto_ruby.sh b/src/ruby/pb/generate_proto_ruby.sh
index 86c082099d98304859e4ab55f5a6512b0116f8ab..82dad18ad07ea3a78fc3705aacbb5aff5ece5987 100755
--- a/src/ruby/pb/generate_proto_ruby.sh
+++ b/src/ruby/pb/generate_proto_ruby.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -40,11 +40,18 @@ $PROTOC -I src/proto src/proto/grpc/health/v1/health.proto \
     --ruby_out=src/ruby/pb \
     --plugin=$PLUGIN
 
-$PROTOC -I . test/proto/{messages,test,empty}.proto \
+$PROTOC -I . \
+    src/proto/grpc/testing/{messages,test,empty}.proto \
     --grpc_out=src/ruby/pb \
     --ruby_out=src/ruby/pb \
     --plugin=$PLUGIN
 
+$PROTOC -I . \
+    src/proto/grpc/testing/{messages,payloads,stats,services,control}.proto \
+    --grpc_out=src/ruby/qps \
+    --ruby_out=src/ruby/qps \
+    --plugin=$PLUGIN
+
 $PROTOC -I src/proto/math src/proto/math/math.proto \
     --grpc_out=src/ruby/bin \
     --ruby_out=src/ruby/bin \
diff --git a/src/ruby/pb/grpc/health/checker.rb b/src/ruby/pb/grpc/health/checker.rb
index 9f1ee65c41935164c322cde79e7412265010df0e..f7310d92894733e04e0cc74f54ff3d732ee21fb6 100644
--- a/src/ruby/pb/grpc/health/checker.rb
+++ b/src/ruby/pb/grpc/health/checker.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/pb/grpc/testing/duplicate/echo_duplicate_services.rb b/src/ruby/pb/grpc/testing/duplicate/echo_duplicate_services.rb
new file mode 100644
index 0000000000000000000000000000000000000000..9f6e7e0e427759f20638a14036254250bae0db52
--- /dev/null
+++ b/src/ruby/pb/grpc/testing/duplicate/echo_duplicate_services.rb
@@ -0,0 +1,28 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# Source: src/proto/grpc/testing/duplicate/echo_duplicate.proto for package 'grpc.testing.duplicate'
+
+require 'grpc'
+require 'src/proto/grpc/testing/duplicate/echo_duplicate'
+
+module Grpc
+  module Testing
+    module Duplicate
+      module EchoTestService
+
+        # TODO: add proto service documentation here
+        class Service
+
+          include GRPC::GenericService
+
+          self.marshal_class_method = :encode
+          self.unmarshal_class_method = :decode
+          self.service_name = 'grpc.testing.duplicate.EchoTestService'
+
+          rpc :Echo, Grpc::Testing::EchoRequest, Grpc::Testing::EchoResponse
+        end
+
+        Stub = Service.rpc_stub_class
+      end
+    end
+  end
+end
diff --git a/src/ruby/pb/grpc/testing/metrics.rb b/src/ruby/pb/grpc/testing/metrics.rb
new file mode 100644
index 0000000000000000000000000000000000000000..3b3c8cd61bbae356fa14ae003bea2b51901beb0e
--- /dev/null
+++ b/src/ruby/pb/grpc/testing/metrics.rb
@@ -0,0 +1,28 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: grpc/testing/metrics.proto
+
+require 'google/protobuf'
+
+Google::Protobuf::DescriptorPool.generated_pool.build do
+  add_message "grpc.testing.GaugeResponse" do
+    optional :name, :string, 1
+    oneof :value do
+      optional :long_value, :int64, 2
+      optional :double_value, :double, 3
+      optional :string_value, :string, 4
+    end
+  end
+  add_message "grpc.testing.GaugeRequest" do
+    optional :name, :string, 1
+  end
+  add_message "grpc.testing.EmptyMessage" do
+  end
+end
+
+module Grpc
+  module Testing
+    GaugeResponse = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.GaugeResponse").msgclass
+    GaugeRequest = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.GaugeRequest").msgclass
+    EmptyMessage = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.EmptyMessage").msgclass
+  end
+end
diff --git a/src/ruby/pb/grpc/testing/metrics_services.rb b/src/ruby/pb/grpc/testing/metrics_services.rb
new file mode 100644
index 0000000000000000000000000000000000000000..f5778bbbb191429587357c33726e19290382142a
--- /dev/null
+++ b/src/ruby/pb/grpc/testing/metrics_services.rb
@@ -0,0 +1,27 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# Source: grpc/testing/metrics.proto for package 'grpc.testing'
+
+require 'grpc'
+require 'grpc/testing/metrics'
+
+module Grpc
+  module Testing
+    module MetricsService
+
+      # TODO: add proto service documentation here
+      class Service
+
+        include GRPC::GenericService
+
+        self.marshal_class_method = :encode
+        self.unmarshal_class_method = :decode
+        self.service_name = 'grpc.testing.MetricsService'
+
+        rpc :GetAllGauges, EmptyMessage, stream(GaugeResponse)
+        rpc :GetGauge, GaugeRequest, GaugeResponse
+      end
+
+      Stub = Service.rpc_stub_class
+    end
+  end
+end
diff --git a/src/ruby/pb/test/client.rb b/src/ruby/pb/test/client.rb
index 684ee807715a17a6280841e95ea3777d542e31eb..95b059a18ef6a95bde60396a755fbd2bd222cdba 100755
--- a/src/ruby/pb/test/client.rb
+++ b/src/ruby/pb/test/client.rb
@@ -1,6 +1,6 @@
 #!/usr/bin/env ruby
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -38,23 +38,23 @@
 #                            --server_port=<port> \
 #                            --test_case=<testcase_name>
 
+# These lines are required for the generated files to load grpc
 this_dir = File.expand_path(File.dirname(__FILE__))
 lib_dir = File.join(File.dirname(File.dirname(this_dir)), 'lib')
-pb_dir = File.dirname(File.dirname(this_dir))
+pb_dir = File.dirname(this_dir)
 $LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
 $LOAD_PATH.unshift(pb_dir) unless $LOAD_PATH.include?(pb_dir)
-$LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
 
 require 'optparse'
 require 'logger'
 
-require 'grpc'
+require_relative '../../lib/grpc'
 require 'googleauth'
 require 'google/protobuf'
 
-require 'test/proto/empty'
-require 'test/proto/messages'
-require 'test/proto/test_services'
+require_relative 'proto/empty'
+require_relative 'proto/messages'
+require_relative 'proto/test_services'
 
 AUTH_ENV = Google::Auth::CredentialsLoader::ENV_VAR
 
@@ -208,12 +208,10 @@ class NamedTests
   def empty_unary
     resp = @stub.empty_call(Empty.new)
     assert('empty_unary: invalid response') { resp.is_a?(Empty) }
-    p 'OK: empty_unary'
   end
 
   def large_unary
     perform_large_unary
-    p 'OK: large_unary'
   end
 
   def service_account_creds
@@ -230,7 +228,6 @@ class NamedTests
     assert("#{__callee__}: bad oauth scope") do
       @args.oauth_scope.include?(resp.oauth_scope)
     end
-    p "OK: #{__callee__}"
   end
 
   def jwt_token_creds
@@ -238,7 +235,6 @@ class NamedTests
     wanted_email = MultiJson.load(json_key)['client_email']
     resp = perform_large_unary(fill_username: true)
     assert("#{__callee__}: bad username") { wanted_email == resp.username }
-    p "OK: #{__callee__}"
   end
 
   def compute_engine_creds
@@ -247,7 +243,6 @@ class NamedTests
     assert("#{__callee__}: bad username") do
       @args.default_service_account == resp.username
     end
-    p "OK: #{__callee__}"
   end
 
   def oauth2_auth_token
@@ -259,7 +254,6 @@ class NamedTests
     assert("#{__callee__}: bad oauth scope") do
       @args.oauth_scope.include?(resp.oauth_scope)
     end
-    p "OK: #{__callee__}"
   end
 
   def per_rpc_creds
@@ -279,7 +273,6 @@ class NamedTests
     assert("#{__callee__}: bad oauth scope") do
       @args.oauth_scope.include?(resp.oauth_scope)
     end
-    p "OK: #{__callee__}"
   end
 
   def client_streaming
@@ -293,7 +286,6 @@ class NamedTests
     assert("#{__callee__}: aggregate payload size is incorrect") do
       wanted_aggregate_size == resp.aggregated_payload_size
     end
-    p "OK: #{__callee__}"
   end
 
   def server_streaming
@@ -311,7 +303,6 @@ class NamedTests
         :COMPRESSABLE == r.payload.type
       end
     end
-    p "OK: #{__callee__}"
   end
 
   def ping_pong
@@ -319,7 +310,6 @@ class NamedTests
     ppp = PingPongPlayer.new(msg_sizes)
     resps = @stub.full_duplex_call(ppp.each_item)
     resps.each { |r| ppp.queue.push(r) }
-    p "OK: #{__callee__}"
   end
 
   def timeout_on_sleeping_server
@@ -332,7 +322,6 @@ class NamedTests
     assert("#{__callee__}: status was wrong") do
       e.code == GRPC::Core::StatusCodes::DEADLINE_EXCEEDED
     end
-    p "OK: #{__callee__}"
   end
 
   def empty_stream
@@ -346,7 +335,6 @@ class NamedTests
     assert("#{__callee__}: too many responses expected 0") do
       count == 0
     end
-    p "OK: #{__callee__}"
   end
 
   def cancel_after_begin
@@ -361,7 +349,6 @@ class NamedTests
     fail 'Should have raised GRPC:Cancelled'
   rescue GRPC::Cancelled
     assert("#{__callee__}: call operation should be CANCELLED") { op.cancelled }
-    p "OK: #{__callee__}"
   end
 
   def cancel_after_first_response
@@ -374,7 +361,6 @@ class NamedTests
   rescue GRPC::Cancelled
     assert("#{__callee__}: call operation should be CANCELLED") { op.cancelled }
     op.wait
-    p "OK: #{__callee__}"
   end
 
   def all
@@ -442,7 +428,7 @@ def parse_args
     opts.on('--use_tls USE_TLS', ['false', 'true'],
             'require a secure connection?') do |v|
       args['secure'] = v == 'true'
-    end
+p    end
     opts.on('--use_test_ca USE_TEST_CA', ['false', 'true'],
             'if secure, use the test certificate?') do |v|
       args['use_test_ca'] = v == 'true'
@@ -464,6 +450,9 @@ def main
   opts = parse_args
   stub = create_stub(opts)
   NamedTests.new(stub, opts).method(opts['test_case']).call
+  p "OK: #{opts['test_case']}"
 end
 
-main
+if __FILE__ == $0
+  main
+end
diff --git a/src/ruby/pb/test/server.rb b/src/ruby/pb/test/server.rb
index 851e8152224188fa6b7eaeaf65b54b01a568c353..914c7cc79d7756c0b75a3e44f7a9699567a52546 100755
--- a/src/ruby/pb/test/server.rb
+++ b/src/ruby/pb/test/server.rb
@@ -39,7 +39,7 @@
 
 this_dir = File.expand_path(File.dirname(__FILE__))
 lib_dir = File.join(File.dirname(File.dirname(this_dir)), 'lib')
-pb_dir = File.dirname(File.dirname(this_dir))
+pb_dir = File.dirname(this_dir)
 $LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
 $LOAD_PATH.unshift(pb_dir) unless $LOAD_PATH.include?(pb_dir)
 $LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
diff --git a/src/ruby/qps/client.rb b/src/ruby/qps/client.rb
new file mode 100644
index 0000000000000000000000000000000000000000..d04f707479b3ebbbc8f1b3fa60d6a7cc32dc5eee
--- /dev/null
+++ b/src/ruby/qps/client.rb
@@ -0,0 +1,164 @@
+#!/usr/bin/env ruby
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Worker and worker service implementation
+
+this_dir = File.expand_path(File.dirname(__FILE__))
+lib_dir = File.join(File.dirname(this_dir), 'lib')
+$LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
+$LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
+
+require 'grpc'
+require 'histogram'
+require 'src/proto/grpc/testing/services_services'
+
+class Poisson
+  def interarrival
+    @lambda_recip * (-Math.log(1.0-rand))
+  end
+  def advance
+    t = @next_time
+    @next_time += interarrival
+    t
+  end
+  def initialize(lambda)
+    @lambda_recip = 1.0/lambda
+    @next_time = Time.now + interarrival
+  end
+end
+
+class BenchmarkClient
+  def initialize(config)
+    opts = {}
+    if config.security_params
+      if config.security_params.use_test_ca
+        certs = load_test_certs
+        cred = GRPC::Core::ChannelCredentials.new(certs[0])
+      else
+        cred = GRPC::Core::ChannelCredentials.new()
+      end
+      if config.security_params.server_host_override
+        opts[GRPC::Core::Channel::SSL_TARGET] =
+          config.security_params.server_host_override
+      end
+    else
+      cred = :this_channel_is_insecure
+    end
+    @histres = config.histogram_params.resolution
+    @histmax = config.histogram_params.max_possible
+    @start_time = Time.now
+    @histogram = Histogram.new(@histres, @histmax)
+    @done = false
+
+    gtsr = Grpc::Testing::SimpleRequest
+    gtpt = Grpc::Testing::PayloadType
+    gtp = Grpc::Testing::Payload
+    simple_params = config.payload_config.simple_params
+    req = gtsr.new(response_type: gtpt::COMPRESSABLE,
+                   response_size: simple_params.resp_size,
+                   payload: gtp.new(type: gtpt::COMPRESSABLE,
+                                    body: nulls(simple_params.req_size)))
+
+    (0..config.client_channels-1).each do |chan|
+      gtbss = Grpc::Testing::BenchmarkService::Stub
+      st = config.server_targets
+      stub = gtbss.new(st[chan % st.length], cred, **opts)
+      (0..config.outstanding_rpcs_per_channel-1).each do |r|
+        Thread.new {
+          case config.load_params.load.to_s
+          when 'closed_loop'
+            waiter = nil
+          when 'poisson'
+            waiter = Poisson.new(config.load_params.poisson.offered_load /
+                                 (config.client_channels *
+                                  config.outstanding_rpcs_per_channel))
+          end
+          case config.rpc_type
+          when :UNARY
+            unary_ping_ponger(req,stub,config,waiter)
+          when :STREAMING
+            streaming_ping_ponger(req,stub,config,waiter)
+          end
+        }
+      end
+    end
+  end
+  def wait_to_issue(waiter)
+    if waiter
+      delay = waiter.advance-Time.now
+      sleep delay if delay > 0
+    end
+  end
+  def unary_ping_ponger(req, stub, config,waiter)
+    while !@done
+      wait_to_issue(waiter)
+      start = Time.now
+      resp = stub.unary_call(req)
+      @histogram.add((Time.now-start)*1e9)
+    end
+  end
+  def streaming_ping_ponger(req, stub, config, waiter)
+    q = EnumeratorQueue.new(self)
+    resp = stub.streaming_call(q.each_item)
+    start = Time.now
+    q.push(req)
+    resp.each do |r|
+      @histogram.add((Time.now-start)*1e9)
+      if !@done
+        wait_to_issue(waiter)
+        start = Time.now
+        q.push(req)
+      else
+        q.push(self)
+        break
+      end
+    end
+  end
+  def mark(reset)
+    lat = Grpc::Testing::HistogramData.new(
+      bucket: @histogram.contents,
+      min_seen: @histogram.minimum,
+      max_seen: @histogram.maximum,
+      sum: @histogram.sum,
+      sum_of_squares: @histogram.sum_of_squares,
+      count: @histogram.count
+    )
+    elapsed = Time.now-@start_time
+    if reset
+      @start_time = Time.now
+      @histogram = Histogram.new(@histres, @histmax)
+    end
+    Grpc::Testing::ClientStats.new(latencies: lat, time_elapsed: elapsed)
+  end
+  def shutdown
+    @done = true
+  end
+end
diff --git a/src/ruby/qps/histogram.rb b/src/ruby/qps/histogram.rb
new file mode 100644
index 0000000000000000000000000000000000000000..bf7a89ac46606d4a2ae650b4cd07758a21b3ed41
--- /dev/null
+++ b/src/ruby/qps/histogram.rb
@@ -0,0 +1,88 @@
+#!/usr/bin/env ruby
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Histogram class for use in performance testing and measurement
+
+class Histogram
+  # Determine the bucket index for a given value
+  # @param {number} value The value to check
+  # @return {number} The bucket index
+  def bucket_for(value)
+    (Math.log(value)/Math.log(@multiplier)).to_i
+  end
+  # Initialize an empty histogram
+  # @param {number} resolution The resolution of the histogram
+  # @param {number} max_possible The maximum value for the histogram
+  def initialize(resolution, max_possible)
+    @resolution=resolution
+    @max_possible=max_possible
+    @sum=0
+    @sum_of_squares=0
+    @multiplier=1+resolution
+    @count=0
+    @min_seen=max_possible
+    @max_seen=0
+    @buckets=Array.new(bucket_for(max_possible)+1, 0)
+  end
+  # Add a value to the histogram. This updates all statistics with the new
+  # value. Those statistics should not be modified except with this function
+  # @param {number} value The value to add
+  def add(value)
+    @sum += value
+    @sum_of_squares += value * value
+    @count += 1
+    if value < @min_seen
+      @min_seen = value
+    end
+    if value > @max_seen
+      @max_seen = value
+    end
+    @buckets[bucket_for(value)] += 1
+  end
+  def minimum
+    @min_seen
+  end
+  def maximum
+    @max_seen
+  end
+  def sum
+    @sum
+  end
+  def sum_of_squares
+    @sum_of_squares
+  end
+  def count
+    @count
+  end
+  def contents
+    @buckets
+  end
+end
diff --git a/src/ruby/qps/qps-common.rb b/src/ruby/qps/qps-common.rb
new file mode 100644
index 0000000000000000000000000000000000000000..4119d600b197e47592b9f1916be99af926a1f20e
--- /dev/null
+++ b/src/ruby/qps/qps-common.rb
@@ -0,0 +1,76 @@
+#!/usr/bin/env ruby
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Worker and worker service implementation
+
+this_dir = File.expand_path(File.dirname(__FILE__))
+lib_dir = File.join(File.dirname(this_dir), 'lib')
+$LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
+$LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
+
+require 'grpc'
+
+# produces a string of null chars (\0 aka pack 'x') of length l.
+def nulls(l)
+  fail 'requires #{l} to be +ve' if l < 0
+  [].pack('x' * l).force_encoding('ascii-8bit')
+end
+
+# load the test-only certificates
+def load_test_certs
+  this_dir = File.expand_path(File.dirname(__FILE__))
+  data_dir = File.join(File.dirname(this_dir), 'spec/testdata')
+  files = ['ca.pem', 'server1.key', 'server1.pem']
+  files.map { |f| File.open(File.join(data_dir, f)).read }
+end
+
+# A EnumeratorQueue wraps a Queue yielding the items added to it via each_item.
+class EnumeratorQueue
+  extend Forwardable
+  def_delegators :@q, :push
+
+  def initialize(sentinel)
+    @q = Queue.new
+    @sentinel = sentinel
+  end
+
+  def each_item
+    return enum_for(:each_item) unless block_given?
+    loop do
+      r = @q.pop
+      break if r.equal?(@sentinel)
+      fail r if r.is_a? Exception
+      yield r
+    end
+  end
+end
+
+
diff --git a/src/ruby/qps/server.rb b/src/ruby/qps/server.rb
new file mode 100644
index 0000000000000000000000000000000000000000..f05fbbdaaf9fe5eb72bfe86d87dac4f0562184c3
--- /dev/null
+++ b/src/ruby/qps/server.rb
@@ -0,0 +1,94 @@
+#!/usr/bin/env ruby
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Worker and worker service implementation
+
+this_dir = File.expand_path(File.dirname(__FILE__))
+lib_dir = File.join(File.dirname(this_dir), 'lib')
+$LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
+$LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
+
+require 'grpc'
+require 'qps-common'
+require 'src/proto/grpc/testing/messages'
+require 'src/proto/grpc/testing/services_services'
+require 'src/proto/grpc/testing/stats'
+
+class BenchmarkServiceImpl < Grpc::Testing::BenchmarkService::Service
+  def unary_call(req, _call)
+    sr = Grpc::Testing::SimpleResponse
+    pl = Grpc::Testing::Payload
+    sr.new(payload: pl.new(body: nulls(req.response_size)))
+  end
+  def streaming_call(reqs)
+    q = EnumeratorQueue.new(self)
+    Thread.new {
+      sr = Grpc::Testing::SimpleResponse
+      pl = Grpc::Testing::Payload
+      reqs.each do |req|
+        q.push(sr.new(payload: pl.new(body: nulls(req.response_size))))
+      end
+      q.push(self)
+    }
+    q.each_item
+  end
+end
+
+class BenchmarkServer
+  def initialize(config, port)
+    if config.security_params
+      certs = load_test_certs
+      cred = GRPC::Core::ServerCredentials.new(
+        nil, [{private_key: certs[1], cert_chain: certs[2]}], false)
+    else
+      cred = :this_port_is_insecure
+    end
+    @server = GRPC::RpcServer.new
+    @port = @server.add_http2_port("0.0.0.0:" + port.to_s, cred)
+    @server.handle(BenchmarkServiceImpl.new)
+    @start_time = Time.now
+    Thread.new {
+      @server.run
+    }
+  end
+  def mark(reset)
+    s = Grpc::Testing::ServerStats.new(time_elapsed:
+                                         (Time.now-@start_time).to_f)
+    @start_time = Time.now if reset
+    s
+  end
+  def get_port
+    @port
+  end
+  def stop
+    @server.stop
+  end
+end
diff --git a/src/ruby/qps/src/proto/grpc/testing/control.rb b/src/ruby/qps/src/proto/grpc/testing/control.rb
new file mode 100644
index 0000000000000000000000000000000000000000..958fca320bca8c9d10c92c08f6969d74129f1bb4
--- /dev/null
+++ b/src/ruby/qps/src/proto/grpc/testing/control.rb
@@ -0,0 +1,154 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: src/proto/grpc/testing/control.proto
+
+require 'google/protobuf'
+
+require 'src/proto/grpc/testing/payloads'
+require 'src/proto/grpc/testing/stats'
+Google::Protobuf::DescriptorPool.generated_pool.build do
+  add_message "grpc.testing.PoissonParams" do
+    optional :offered_load, :double, 1
+  end
+  add_message "grpc.testing.ClosedLoopParams" do
+  end
+  add_message "grpc.testing.LoadParams" do
+    oneof :load do
+      optional :closed_loop, :message, 1, "grpc.testing.ClosedLoopParams"
+      optional :poisson, :message, 2, "grpc.testing.PoissonParams"
+    end
+  end
+  add_message "grpc.testing.SecurityParams" do
+    optional :use_test_ca, :bool, 1
+    optional :server_host_override, :string, 2
+  end
+  add_message "grpc.testing.ClientConfig" do
+    repeated :server_targets, :string, 1
+    optional :client_type, :enum, 2, "grpc.testing.ClientType"
+    optional :security_params, :message, 3, "grpc.testing.SecurityParams"
+    optional :outstanding_rpcs_per_channel, :int32, 4
+    optional :client_channels, :int32, 5
+    optional :async_client_threads, :int32, 7
+    optional :rpc_type, :enum, 8, "grpc.testing.RpcType"
+    optional :load_params, :message, 10, "grpc.testing.LoadParams"
+    optional :payload_config, :message, 11, "grpc.testing.PayloadConfig"
+    optional :histogram_params, :message, 12, "grpc.testing.HistogramParams"
+    repeated :core_list, :int32, 13
+    optional :core_limit, :int32, 14
+    optional :other_client_api, :string, 15
+  end
+  add_message "grpc.testing.ClientStatus" do
+    optional :stats, :message, 1, "grpc.testing.ClientStats"
+  end
+  add_message "grpc.testing.Mark" do
+    optional :reset, :bool, 1
+  end
+  add_message "grpc.testing.ClientArgs" do
+    oneof :argtype do
+      optional :setup, :message, 1, "grpc.testing.ClientConfig"
+      optional :mark, :message, 2, "grpc.testing.Mark"
+    end
+  end
+  add_message "grpc.testing.ServerConfig" do
+    optional :server_type, :enum, 1, "grpc.testing.ServerType"
+    optional :security_params, :message, 2, "grpc.testing.SecurityParams"
+    optional :port, :int32, 4
+    optional :async_server_threads, :int32, 7
+    optional :core_limit, :int32, 8
+    optional :payload_config, :message, 9, "grpc.testing.PayloadConfig"
+    repeated :core_list, :int32, 10
+    optional :other_server_api, :string, 11
+  end
+  add_message "grpc.testing.ServerArgs" do
+    oneof :argtype do
+      optional :setup, :message, 1, "grpc.testing.ServerConfig"
+      optional :mark, :message, 2, "grpc.testing.Mark"
+    end
+  end
+  add_message "grpc.testing.ServerStatus" do
+    optional :stats, :message, 1, "grpc.testing.ServerStats"
+    optional :port, :int32, 2
+    optional :cores, :int32, 3
+  end
+  add_message "grpc.testing.CoreRequest" do
+  end
+  add_message "grpc.testing.CoreResponse" do
+    optional :cores, :int32, 1
+  end
+  add_message "grpc.testing.Void" do
+  end
+  add_message "grpc.testing.Scenario" do
+    optional :name, :string, 1
+    optional :client_config, :message, 2, "grpc.testing.ClientConfig"
+    optional :num_clients, :int32, 3
+    optional :server_config, :message, 4, "grpc.testing.ServerConfig"
+    optional :num_servers, :int32, 5
+    optional :warmup_seconds, :int32, 6
+    optional :benchmark_seconds, :int32, 7
+    optional :spawn_local_worker_count, :int32, 8
+  end
+  add_message "grpc.testing.Scenarios" do
+    repeated :scenarios, :message, 1, "grpc.testing.Scenario"
+  end
+  add_message "grpc.testing.ScenarioResultSummary" do
+    optional :qps, :double, 1
+    optional :qps_per_server_core, :double, 2
+    optional :server_system_time, :double, 3
+    optional :server_user_time, :double, 4
+    optional :client_system_time, :double, 5
+    optional :client_user_time, :double, 6
+    optional :latency_50, :double, 7
+    optional :latency_90, :double, 8
+    optional :latency_95, :double, 9
+    optional :latency_99, :double, 10
+    optional :latency_999, :double, 11
+  end
+  add_message "grpc.testing.ScenarioResult" do
+    optional :scenario, :message, 1, "grpc.testing.Scenario"
+    optional :latencies, :message, 2, "grpc.testing.HistogramData"
+    repeated :client_stats, :message, 3, "grpc.testing.ClientStats"
+    repeated :server_stats, :message, 4, "grpc.testing.ServerStats"
+    repeated :server_cores, :int32, 5
+    optional :summary, :message, 6, "grpc.testing.ScenarioResultSummary"
+  end
+  add_enum "grpc.testing.ClientType" do
+    value :SYNC_CLIENT, 0
+    value :ASYNC_CLIENT, 1
+    value :OTHER_CLIENT, 2
+  end
+  add_enum "grpc.testing.ServerType" do
+    value :SYNC_SERVER, 0
+    value :ASYNC_SERVER, 1
+    value :ASYNC_GENERIC_SERVER, 2
+    value :OTHER_SERVER, 3
+  end
+  add_enum "grpc.testing.RpcType" do
+    value :UNARY, 0
+    value :STREAMING, 1
+  end
+end
+
+module Grpc
+  module Testing
+    PoissonParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.PoissonParams").msgclass
+    ClosedLoopParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ClosedLoopParams").msgclass
+    LoadParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.LoadParams").msgclass
+    SecurityParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.SecurityParams").msgclass
+    ClientConfig = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ClientConfig").msgclass
+    ClientStatus = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ClientStatus").msgclass
+    Mark = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.Mark").msgclass
+    ClientArgs = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ClientArgs").msgclass
+    ServerConfig = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ServerConfig").msgclass
+    ServerArgs = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ServerArgs").msgclass
+    ServerStatus = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ServerStatus").msgclass
+    CoreRequest = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.CoreRequest").msgclass
+    CoreResponse = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.CoreResponse").msgclass
+    Void = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.Void").msgclass
+    Scenario = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.Scenario").msgclass
+    Scenarios = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.Scenarios").msgclass
+    ScenarioResultSummary = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ScenarioResultSummary").msgclass
+    ScenarioResult = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ScenarioResult").msgclass
+    ClientType = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ClientType").enummodule
+    ServerType = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ServerType").enummodule
+    RpcType = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.RpcType").enummodule
+  end
+end
diff --git a/src/ruby/qps/src/proto/grpc/testing/messages.rb b/src/ruby/qps/src/proto/grpc/testing/messages.rb
new file mode 100644
index 0000000000000000000000000000000000000000..2bdfe0eade338c0d0101e28a3640aea113b1fc7c
--- /dev/null
+++ b/src/ruby/qps/src/proto/grpc/testing/messages.rb
@@ -0,0 +1,84 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: src/proto/grpc/testing/messages.proto
+
+require 'google/protobuf'
+
+Google::Protobuf::DescriptorPool.generated_pool.build do
+  add_message "grpc.testing.Payload" do
+    optional :type, :enum, 1, "grpc.testing.PayloadType"
+    optional :body, :bytes, 2
+  end
+  add_message "grpc.testing.EchoStatus" do
+    optional :code, :int32, 1
+    optional :message, :string, 2
+  end
+  add_message "grpc.testing.SimpleRequest" do
+    optional :response_type, :enum, 1, "grpc.testing.PayloadType"
+    optional :response_size, :int32, 2
+    optional :payload, :message, 3, "grpc.testing.Payload"
+    optional :fill_username, :bool, 4
+    optional :fill_oauth_scope, :bool, 5
+    optional :response_compression, :enum, 6, "grpc.testing.CompressionType"
+    optional :response_status, :message, 7, "grpc.testing.EchoStatus"
+  end
+  add_message "grpc.testing.SimpleResponse" do
+    optional :payload, :message, 1, "grpc.testing.Payload"
+    optional :username, :string, 2
+    optional :oauth_scope, :string, 3
+  end
+  add_message "grpc.testing.StreamingInputCallRequest" do
+    optional :payload, :message, 1, "grpc.testing.Payload"
+  end
+  add_message "grpc.testing.StreamingInputCallResponse" do
+    optional :aggregated_payload_size, :int32, 1
+  end
+  add_message "grpc.testing.ResponseParameters" do
+    optional :size, :int32, 1
+    optional :interval_us, :int32, 2
+  end
+  add_message "grpc.testing.StreamingOutputCallRequest" do
+    optional :response_type, :enum, 1, "grpc.testing.PayloadType"
+    repeated :response_parameters, :message, 2, "grpc.testing.ResponseParameters"
+    optional :payload, :message, 3, "grpc.testing.Payload"
+    optional :response_compression, :enum, 6, "grpc.testing.CompressionType"
+    optional :response_status, :message, 7, "grpc.testing.EchoStatus"
+  end
+  add_message "grpc.testing.StreamingOutputCallResponse" do
+    optional :payload, :message, 1, "grpc.testing.Payload"
+  end
+  add_message "grpc.testing.ReconnectParams" do
+    optional :max_reconnect_backoff_ms, :int32, 1
+  end
+  add_message "grpc.testing.ReconnectInfo" do
+    optional :passed, :bool, 1
+    repeated :backoff_ms, :int32, 2
+  end
+  add_enum "grpc.testing.PayloadType" do
+    value :COMPRESSABLE, 0
+    value :UNCOMPRESSABLE, 1
+    value :RANDOM, 2
+  end
+  add_enum "grpc.testing.CompressionType" do
+    value :NONE, 0
+    value :GZIP, 1
+    value :DEFLATE, 2
+  end
+end
+
+module Grpc
+  module Testing
+    Payload = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.Payload").msgclass
+    EchoStatus = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.EchoStatus").msgclass
+    SimpleRequest = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.SimpleRequest").msgclass
+    SimpleResponse = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.SimpleResponse").msgclass
+    StreamingInputCallRequest = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.StreamingInputCallRequest").msgclass
+    StreamingInputCallResponse = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.StreamingInputCallResponse").msgclass
+    ResponseParameters = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ResponseParameters").msgclass
+    StreamingOutputCallRequest = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.StreamingOutputCallRequest").msgclass
+    StreamingOutputCallResponse = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.StreamingOutputCallResponse").msgclass
+    ReconnectParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ReconnectParams").msgclass
+    ReconnectInfo = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ReconnectInfo").msgclass
+    PayloadType = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.PayloadType").enummodule
+    CompressionType = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.CompressionType").enummodule
+  end
+end
diff --git a/src/ruby/qps/src/proto/grpc/testing/payloads.rb b/src/ruby/qps/src/proto/grpc/testing/payloads.rb
new file mode 100644
index 0000000000000000000000000000000000000000..ae8855f6850ef90a21d5e2344faa6b48d8afa1c2
--- /dev/null
+++ b/src/ruby/qps/src/proto/grpc/testing/payloads.rb
@@ -0,0 +1,33 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: src/proto/grpc/testing/payloads.proto
+
+require 'google/protobuf'
+
+Google::Protobuf::DescriptorPool.generated_pool.build do
+  add_message "grpc.testing.ByteBufferParams" do
+    optional :req_size, :int32, 1
+    optional :resp_size, :int32, 2
+  end
+  add_message "grpc.testing.SimpleProtoParams" do
+    optional :req_size, :int32, 1
+    optional :resp_size, :int32, 2
+  end
+  add_message "grpc.testing.ComplexProtoParams" do
+  end
+  add_message "grpc.testing.PayloadConfig" do
+    oneof :payload do
+      optional :bytebuf_params, :message, 1, "grpc.testing.ByteBufferParams"
+      optional :simple_params, :message, 2, "grpc.testing.SimpleProtoParams"
+      optional :complex_params, :message, 3, "grpc.testing.ComplexProtoParams"
+    end
+  end
+end
+
+module Grpc
+  module Testing
+    ByteBufferParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ByteBufferParams").msgclass
+    SimpleProtoParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.SimpleProtoParams").msgclass
+    ComplexProtoParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ComplexProtoParams").msgclass
+    PayloadConfig = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.PayloadConfig").msgclass
+  end
+end
diff --git a/src/ruby/qps/src/proto/grpc/testing/services.rb b/src/ruby/qps/src/proto/grpc/testing/services.rb
new file mode 100644
index 0000000000000000000000000000000000000000..b2675c2afe50c98c3d0842a881b583ee74964e8f
--- /dev/null
+++ b/src/ruby/qps/src/proto/grpc/testing/services.rb
@@ -0,0 +1,14 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: src/proto/grpc/testing/services.proto
+
+require 'google/protobuf'
+
+require 'src/proto/grpc/testing/messages'
+require 'src/proto/grpc/testing/control'
+Google::Protobuf::DescriptorPool.generated_pool.build do
+end
+
+module Grpc
+  module Testing
+  end
+end
diff --git a/src/ruby/qps/src/proto/grpc/testing/services_services.rb b/src/ruby/qps/src/proto/grpc/testing/services_services.rb
new file mode 100644
index 0000000000000000000000000000000000000000..3fd9f20f4729d4621bed7d4325bb8aa7760df8f7
--- /dev/null
+++ b/src/ruby/qps/src/proto/grpc/testing/services_services.rb
@@ -0,0 +1,46 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# Source: src/proto/grpc/testing/services.proto for package 'grpc.testing'
+
+require 'grpc'
+require 'src/proto/grpc/testing/services'
+
+module Grpc
+  module Testing
+    module BenchmarkService
+
+      # TODO: add proto service documentation here
+      class Service
+
+        include GRPC::GenericService
+
+        self.marshal_class_method = :encode
+        self.unmarshal_class_method = :decode
+        self.service_name = 'grpc.testing.BenchmarkService'
+
+        rpc :UnaryCall, SimpleRequest, SimpleResponse
+        rpc :StreamingCall, stream(SimpleRequest), stream(SimpleResponse)
+      end
+
+      Stub = Service.rpc_stub_class
+    end
+    module WorkerService
+
+      # TODO: add proto service documentation here
+      class Service
+
+        include GRPC::GenericService
+
+        self.marshal_class_method = :encode
+        self.unmarshal_class_method = :decode
+        self.service_name = 'grpc.testing.WorkerService'
+
+        rpc :RunServer, stream(ServerArgs), stream(ServerStatus)
+        rpc :RunClient, stream(ClientArgs), stream(ClientStatus)
+        rpc :CoreCount, CoreRequest, CoreResponse
+        rpc :QuitWorker, Void, Void
+      end
+
+      Stub = Service.rpc_stub_class
+    end
+  end
+end
diff --git a/src/ruby/qps/src/proto/grpc/testing/stats.rb b/src/ruby/qps/src/proto/grpc/testing/stats.rb
new file mode 100644
index 0000000000000000000000000000000000000000..41f75bedf054826af882646a3146023776ba3066
--- /dev/null
+++ b/src/ruby/qps/src/proto/grpc/testing/stats.rb
@@ -0,0 +1,39 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: src/proto/grpc/testing/stats.proto
+
+require 'google/protobuf'
+
+Google::Protobuf::DescriptorPool.generated_pool.build do
+  add_message "grpc.testing.ServerStats" do
+    optional :time_elapsed, :double, 1
+    optional :time_user, :double, 2
+    optional :time_system, :double, 3
+  end
+  add_message "grpc.testing.HistogramParams" do
+    optional :resolution, :double, 1
+    optional :max_possible, :double, 2
+  end
+  add_message "grpc.testing.HistogramData" do
+    repeated :bucket, :uint32, 1
+    optional :min_seen, :double, 2
+    optional :max_seen, :double, 3
+    optional :sum, :double, 4
+    optional :sum_of_squares, :double, 5
+    optional :count, :double, 6
+  end
+  add_message "grpc.testing.ClientStats" do
+    optional :latencies, :message, 1, "grpc.testing.HistogramData"
+    optional :time_elapsed, :double, 2
+    optional :time_user, :double, 3
+    optional :time_system, :double, 4
+  end
+end
+
+module Grpc
+  module Testing
+    ServerStats = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ServerStats").msgclass
+    HistogramParams = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.HistogramParams").msgclass
+    HistogramData = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.HistogramData").msgclass
+    ClientStats = Google::Protobuf::DescriptorPool.generated_pool.lookup("grpc.testing.ClientStats").msgclass
+  end
+end
diff --git a/src/ruby/qps/worker.rb b/src/ruby/qps/worker.rb
new file mode 100755
index 0000000000000000000000000000000000000000..665fb863526ba722ab6d000f35f0b14a40e9fec5
--- /dev/null
+++ b/src/ruby/qps/worker.rb
@@ -0,0 +1,128 @@
+#!/usr/bin/env ruby
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Worker and worker service implementation
+
+this_dir = File.expand_path(File.dirname(__FILE__))
+lib_dir = File.join(File.dirname(this_dir), 'lib')
+$LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
+$LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
+
+require 'grpc'
+require 'optparse'
+require 'histogram'
+require 'etc'
+require 'facter'
+require 'client'
+require 'qps-common'
+require 'server'
+require 'src/proto/grpc/testing/services_services'
+
+class WorkerServiceImpl < Grpc::Testing::WorkerService::Service
+  def cpu_cores
+    Facter.value('processors')['count']
+  end
+  def run_server(reqs)
+    q = EnumeratorQueue.new(self)
+    Thread.new {
+      bms = ''
+      gtss = Grpc::Testing::ServerStatus
+      reqs.each do |req|
+        case req.argtype.to_s
+        when 'setup'
+          bms = BenchmarkServer.new(req.setup, @server_port)
+          q.push(gtss.new(stats: bms.mark(false), port: bms.get_port))
+        when 'mark'
+          q.push(gtss.new(stats: bms.mark(req.mark.reset), cores: cpu_cores))
+        end
+      end
+      q.push(self)
+      bms.stop
+    }
+    q.each_item
+  end
+  def run_client(reqs)
+    q = EnumeratorQueue.new(self)
+    Thread.new {
+      client = ''
+      reqs.each do |req|
+        case req.argtype.to_s
+        when 'setup'
+          client = BenchmarkClient.new(req.setup)
+          q.push(Grpc::Testing::ClientStatus.new(stats: client.mark(false)))
+        when 'mark'
+          q.push(Grpc::Testing::ClientStatus.new(stats:
+                                                   client.mark(req.mark.reset)))
+        end
+      end
+      q.push(self)
+      client.shutdown
+    }
+    q.each_item
+  end
+  def core_count(_args, _call)
+    Grpc::Testing::CoreResponse.new(cores: cpu_cores)
+  end
+  def quit_worker(_args, _call)
+    Thread.new {
+      sleep 3
+      @server.stop
+    }
+    Grpc::Testing::Void.new
+  end
+  def initialize(s, sp)
+    @server = s
+    @server_port = sp
+  end
+end
+
+def main
+  options = {
+    'driver_port' => 0,
+    'server_port' => 0
+  }
+  OptionParser.new do |opts|
+    opts.banner = 'Usage: [--driver_port <port>] [--server_port <port>]'
+    opts.on('--driver_port PORT', '<port>') do |v|
+      options['driver_port'] = v
+    end
+    opts.on('--server_port PORT', '<port>') do |v|
+      options['server_port'] = v
+    end
+  end.parse!
+  s = GRPC::RpcServer.new
+  s.add_http2_port("0.0.0.0:" + options['driver_port'].to_s,
+                   :this_port_is_insecure)
+  s.handle(WorkerServiceImpl.new(s, options['server_port'].to_i))
+  s.run
+end
+
+main
diff --git a/src/ruby/spec/client_server_spec.rb b/src/ruby/spec/client_server_spec.rb
index 7ef534571f0e053c0d0a03a9e15b3a915cf96f0a..aedeca272d35633ea971690f759c9786e18c6d7c 100644
--- a/src/ruby/spec/client_server_spec.rb
+++ b/src/ruby/spec/client_server_spec.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/spec/generic/client_stub_spec.rb b/src/ruby/spec/generic/client_stub_spec.rb
index 5e13c25fcf3e6d1e70f416006a2609cc1af2363c..dd8e2e9f7a2619a338f4ad194ba418ab9120a579 100644
--- a/src/ruby/spec/generic/client_stub_spec.rb
+++ b/src/ruby/spec/generic/client_stub_spec.rb
@@ -193,44 +193,45 @@ describe 'ClientStub' do
   describe '#client_streamer' do
     shared_examples 'client streaming' do
       before(:each) do
+        server_port = create_test_server
+        host = "localhost:#{server_port}"
+        @stub = GRPC::ClientStub.new(host, @cq, :this_channel_is_insecure)
+        @options = { k1: 'v1', k2: 'v2' }
         @sent_msgs = Array.new(3) { |i| 'msg_' + (i + 1).to_s }
         @resp = 'a_reply'
       end
 
       it 'should send requests to/receive a reply from a server' do
-        server_port = create_test_server
-        host = "localhost:#{server_port}"
         th = run_client_streamer(@sent_msgs, @resp, @pass)
-        stub = GRPC::ClientStub.new(host, @cq, :this_channel_is_insecure)
-        expect(get_response(stub)).to eq(@resp)
+        expect(get_response(@stub)).to eq(@resp)
         th.join
       end
 
       it 'should send metadata to the server ok' do
-        server_port = create_test_server
-        host = "localhost:#{server_port}"
-        th = run_client_streamer(@sent_msgs, @resp, @pass,
-                                 k1: 'v1', k2: 'v2')
-        stub = GRPC::ClientStub.new(host, @cq, :this_channel_is_insecure)
-        expect(get_response(stub)).to eq(@resp)
+        th = run_client_streamer(@sent_msgs, @resp, @pass, @options)
+        expect(get_response(@stub)).to eq(@resp)
         th.join
       end
 
       it 'should raise an error if the status is not ok' do
-        server_port = create_test_server
-        host = "localhost:#{server_port}"
         th = run_client_streamer(@sent_msgs, @resp, @fail)
-        stub = GRPC::ClientStub.new(host, @cq, :this_channel_is_insecure)
-        blk = proc { get_response(stub) }
+        blk = proc { get_response(@stub) }
         expect(&blk).to raise_error(GRPC::BadStatus)
         th.join
       end
+
+      it 'should raise ArgumentError if metadata contains invalid values' do
+        @options.merge!(k3: 3)
+        expect do
+          get_response(@stub)
+        end.to raise_error(ArgumentError,
+                           /Header values must be of type string or array/)
+      end
     end
 
     describe 'without a call operation' do
       def get_response(stub)
-        stub.client_streamer(@method, @sent_msgs, noop, noop,
-                             k1: 'v1', k2: 'v2')
+        stub.client_streamer(@method, @sent_msgs, noop, noop, @options)
       end
 
       it_behaves_like 'client streaming'
@@ -239,7 +240,7 @@ describe 'ClientStub' do
     describe 'via a call operation' do
       def get_response(stub)
         op = stub.client_streamer(@method, @sent_msgs, noop, noop,
-                                  return_op: true, k1: 'v1', k2: 'v2')
+                                  @options.merge(return_op: true))
         expect(op).to be_a(GRPC::ActiveCall::Operation)
         op.execute
       end
diff --git a/src/ruby/spec/generic/rpc_server_spec.rb b/src/ruby/spec/generic/rpc_server_spec.rb
index dfaec6d6edc01dabb9be8b0b70a4a04e44a3c946..e688057cb1772bce14b3b1006ffa0a1da5fcffa4 100644
--- a/src/ruby/spec/generic/rpc_server_spec.rb
+++ b/src/ruby/spec/generic/rpc_server_spec.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -426,7 +426,7 @@ describe GRPC::RpcServer do
         threads.each(&:join)
       end
 
-      it 'should return UNAVAILABLE on too many jobs', server: true do
+      it 'should return RESOURCE_EXHAUSTED on too many jobs', server: true do
         opts = {
           a_channel_arg: 'an_arg',
           server_override: @server,
@@ -449,7 +449,8 @@ describe GRPC::RpcServer do
             begin
               stub.an_rpc(req)
             rescue GRPC::BadStatus => e
-              one_failed_as_unavailable = e.code == StatusCodes::UNAVAILABLE
+              one_failed_as_unavailable =
+                e.code == StatusCodes::RESOURCE_EXHAUSTED
             end
           end
         end
diff --git a/src/ruby/spec/pb/duplicate/codegen_spec.rb b/src/ruby/spec/pb/duplicate/codegen_spec.rb
new file mode 100644
index 0000000000000000000000000000000000000000..54c136c51023e62ea31be3e63913263cde2ca128
--- /dev/null
+++ b/src/ruby/spec/pb/duplicate/codegen_spec.rb
@@ -0,0 +1,71 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+require 'open3'
+require 'tmpdir'
+
+def can_run_codegen_check
+  system('which grpc_ruby_plugin') && system('which protoc')
+end
+
+describe 'Ping protobuf code generation' do
+  if !can_run_codegen_check
+    skip 'protoc || grpc_ruby_plugin missing, cannot verify ping code-gen'
+  else
+    it 'should have the same content as created by code generation' do
+      root_dir = File.join(File.dirname(__FILE__), '..', '..', '..', '..', '..')
+
+      # Get the current content
+      service_path = File.join(root_dir, 'src', 'ruby', 'pb', 'grpc',
+                               'testing', 'duplicate',
+                               'echo_duplicate_services.rb')
+      want = nil
+      File.open(service_path) { |f| want = f.read }
+
+      # Regenerate it
+      plugin, = Open3.capture2('which', 'grpc_ruby_plugin')
+      plugin = plugin.strip
+      got = nil
+      Dir.mktmpdir do |tmp_dir|
+        gen_out = File.join(tmp_dir, 'src', 'proto', 'grpc', 'testing',
+                            'duplicate', 'echo_duplicate_services.rb')
+        pid = spawn(
+          'protoc',
+          '-I.',
+          'src/proto/grpc/testing/duplicate/echo_duplicate.proto',
+          "--grpc_out=#{tmp_dir}",
+          "--plugin=protoc-gen-grpc=#{plugin}",
+          chdir: root_dir)
+        Process.wait(pid)
+        File.open(gen_out) { |f| got = f.read }
+      end
+      expect(got).to eq(want)
+    end
+  end
+end
diff --git a/src/ruby/spec/pb/health/checker_spec.rb b/src/ruby/spec/pb/health/checker_spec.rb
index 9bb79bb4cae057c8a5ebab92467570d570076e2d..5523347f45c7db4206d2ea16e10c81656e1f5b1f 100644
--- a/src/ruby/spec/pb/health/checker_spec.rb
+++ b/src/ruby/spec/pb/health/checker_spec.rb
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/stress/metrics_server.rb b/src/ruby/stress/metrics_server.rb
new file mode 100644
index 0000000000000000000000000000000000000000..13638c4d211df470465481f532d518406a3e2f2c
--- /dev/null
+++ b/src/ruby/stress/metrics_server.rb
@@ -0,0 +1,83 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+require_relative '../pb/grpc/testing/metrics.rb'
+require_relative '../pb/grpc/testing/metrics_services.rb'
+
+class Gauge
+  def get_name
+    raise NoMethodError.new
+  end
+
+  def get_type
+    raise NoMethodError.new
+  end
+
+  def get_value
+    raise NoMethodError.new
+  end
+end
+
+class MetricsServiceImpl < Grpc::Testing::MetricsService::Service
+  include Grpc::Testing
+  @gauges
+
+  def initialize
+    @gauges = {}
+  end
+
+  def register_gauge(gauge)
+    @gauges[gauge.get_name] = gauge
+  end
+
+  def make_gauge_response(gauge)
+    response = GaugeResponse.new(:name => gauge.get_name)
+    value = gauge.get_value
+    case gauge.get_type
+    when 'long'
+      response.long_value = value
+    when 'double'
+      response.double_value = value
+    when 'string'
+      response.string_value = value
+    end
+    response
+  end
+
+  def get_all_gauges(_empty, _call)
+    @gauges.values.map do |gauge|
+      make_gauge_response gauge
+    end
+  end
+
+  def get_gauge(gauge_req, _call)
+    gauge = @gauges[gauge_req.name]
+    make_gauge_response gauge
+  end
+end
diff --git a/src/ruby/stress/stress_client.rb b/src/ruby/stress/stress_client.rb
new file mode 100755
index 0000000000000000000000000000000000000000..698f9f1b871d50ec3ec72fc506106b30d07a74ef
--- /dev/null
+++ b/src/ruby/stress/stress_client.rb
@@ -0,0 +1,155 @@
+#!/usr/bin/env ruby
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+require 'optparse'
+require 'thread'
+require_relative '../pb/test/client'
+require_relative './metrics_server'
+require_relative '../lib/grpc'
+
+class QpsGauge < Gauge
+  @query_count
+  @query_mutex
+  @start_time
+
+  def initialize
+    @query_count = 0
+    @query_mutex = Mutex.new
+    @start_time = Time.now
+  end
+
+  def increment_queries
+    @query_mutex.synchronize { @query_count += 1}
+  end
+
+  def get_name
+    'qps'
+  end
+
+  def get_type
+    'long'
+  end
+
+  def get_value
+    (@query_mutex.synchronize { @query_count / (Time.now - @start_time) }).to_i
+  end
+end
+
+def start_metrics_server(port)
+  host = "0.0.0.0:#{port}"
+  server = GRPC::RpcServer.new
+  server.add_http2_port(host, :this_port_is_insecure)
+  service = MetricsServiceImpl.new
+  server.handle(service)
+  server_thread = Thread.new { server.run_till_terminated }
+  [server, service, server_thread]
+end
+
+StressArgs = Struct.new(:server_addresses, :test_cases, :duration,
+                        :channels_per_server, :concurrent_calls, :metrics_port)
+
+def start(stress_args)
+  running = true
+  threads = []
+  qps_gauge = QpsGauge.new
+  metrics_server, metrics_service, metrics_thread =
+    start_metrics_server(stress_args.metrics_port)
+  metrics_service.register_gauge(qps_gauge)
+  stress_args.server_addresses.each do |address|
+    stress_args.channels_per_server.times do
+      client_args = Args.new
+      client_args.host, client_args.port = address.split(':')
+      client_args.secure = false
+      client_args.test_case = ''
+      stub = create_stub(client_args)
+      named_tests = NamedTests.new(stub, client_args)
+      stress_args.concurrent_calls.times do
+        threads << Thread.new do
+          while running
+            named_tests.method(stress_args.test_cases.sample).call
+            qps_gauge.increment_queries
+          end
+        end
+      end
+    end
+  end
+  if stress_args.duration >= 0
+    sleep stress_args.duration
+    running = false
+    metrics_server.stop
+    p "QPS: #{qps_gauge.get_value}"
+    threads.each { |thd| thd.join; }
+  end
+  metrics_thread.join
+end
+
+def parse_stress_args
+  stress_args = StressArgs.new
+  stress_args.server_addresses = ['localhost:8080']
+  stress_args.test_cases = []
+  stress_args.duration = -1
+  stress_args.channels_per_server = 1
+  stress_args.concurrent_calls = 1
+  stress_args.metrics_port = '8081'
+  OptionParser.new do |opts|
+    opts.on('--server_addresses [LIST]', Array) do |addrs|
+      stress_args.server_addresses = addrs
+    end
+    opts.on('--test_cases cases', Array) do |cases|
+      stress_args.test_cases = (cases.map do |item|
+                                  split = item.split(':')
+                                  [split[0]] * split[1].to_i
+                                end).reduce([], :+)
+    end
+    opts.on('--test_duration_secs [INT]', OptionParser::DecimalInteger) do |time|
+      stress_args.duration = time
+    end
+    opts.on('--num_channels_per_server [INT]', OptionParser::DecimalInteger) do |channels|
+      stress_args.channels_per_server = channels
+    end
+    opts.on('--num_stubs_per_channel [INT]', OptionParser::DecimalInteger) do |stubs|
+      stress_args.concurrent_calls = stubs
+    end
+    opts.on('--metrics_port [port]') do |port|
+      stress_args.metrics_port = port
+    end
+  end.parse!
+  stress_args
+end
+
+def main
+  opts = parse_stress_args
+  start(opts)
+end
+
+if __FILE__ == $0
+  main
+end
diff --git a/src/zlib/gen_build_yaml.py b/src/zlib/gen_build_yaml.py
index 4bd557367abd0926760c5c5e879060c341850b16..0692edb753b48f00d1dbd50a516621aaae9e14b1 100755
--- a/src/zlib/gen_build_yaml.py
+++ b/src/zlib/gen_build_yaml.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python2.7
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/summerofcode/ideas.md b/summerofcode/ideas.md
index 83f2cecd48c508348ad5a691daf9e4d6a8f09f9b..d87cf1b8fa3d3cb88fa934de3849a54f63400bab 100644
--- a/summerofcode/ideas.md
+++ b/summerofcode/ideas.md
@@ -36,7 +36,7 @@ gRPC Python:
  * **Required skills:** Python programming language, PyPy Python interpreter.
  * **Likely mentors:** [Nathaniel Manista](https://github.com/nathanielmanistaatgoogle), [Masood Malekghassemi](https://github.com/soltanmm).
 1. Develop and test Python 3.5 Support for gRPC. Make necessary changes to port gRPC and package it for supported platforms.
- * **Required skills:** Python programming language, PyPy Python interpreter.
+ * **Required skills:** Python programming language, Python 3.5 interpreter.
  * **Likely mentors:** [Nathaniel Manista](https://github.com/nathanielmanistaatgoogle), [Masood Malekghassemi](https://github.com/soltanmm).
  
 gRPC Ruby/Java:
diff --git a/templates/BUILD.template b/templates/BUILD.template
index 54dc69712526d5367085bd0654c9dc052df41803..23a656c3608528bd431e3ed9a5cf4dd1b67c2b91 100644
--- a/templates/BUILD.template
+++ b/templates/BUILD.template
@@ -49,7 +49,9 @@
       ]
     if target_dict.get('build', None) == 'protoc':
       deps.append("//external:protobuf_compiler")
-    if target_dict['name'] == 'grpc++_unsecure' or target_dict['name'] == 'grpc++':
+    if (target_dict['name'] == 'grpc++_unsecure' or
+        target_dict['name'] == 'grpc++' or
+        target_dict['name'] == 'grpc++_codegen_lib'):
       deps.append("//external:protobuf_clib")
     elif target_dict['name'] == 'grpc':
       deps.append("//external:zlib")
@@ -60,7 +62,7 @@
         deps.append(':%s' % (d))
     return deps
   %>
-  
+
   % for lib in libs:
   % if lib.build in ("all", "protoc"):
   ${cc_library(lib)}
@@ -80,13 +82,19 @@
   % endfor
   
   <%def name="cc_library(lib)">
+  <%
+    lib_hdrs = lib.get("headers", [])
+    hdrs = [h for h in lib_hdrs if not h.startswith('third_party/nanopb')]
+    srcs = [s for s in lib.src if not s.startswith('third_party/nanopb')]
+    uses_nanopb = len(lib_hdrs) != len(hdrs) or len(srcs) != len(lib.src)
+  %>
   cc_library(
     name = "${lib.name}",
     srcs = [
-  % for hdr in lib.get("headers", []):
+  % for hdr in hdrs:
       "${hdr}",
   % endfor
-  % for src in lib.src:
+  % for src in srcs:
       "${src}",
   % endfor
     ],
@@ -103,6 +111,9 @@
   % for dep in get_deps(lib):
       "${dep}",
   % endfor
+  % if uses_nanopb:
+      "//external:nanopb",
+  % endif
     ],
   % if lib.name in ("grpc", "grpc_unsecure"):
     copts = [
@@ -113,10 +124,16 @@
   </%def>
   
   <%def name="objc_library(lib)">
+  <%
+    lib_hdrs = lib.get("headers", [])
+    hdrs = [h for h in lib_hdrs if not h.startswith('third_party/nanopb')]
+    srcs = [s for s in lib.src if not s.startswith('third_party/nanopb')]
+    uses_nanopb = len(lib_hdrs) != len(hdrs) or len(srcs) != len(lib.src)
+  %>
   objc_library(
     name = "${lib.name}_objc",
     srcs = [
-  % for src in lib.src:
+  % for src in srcs:
       "${src}",
   % endfor
     ],
@@ -124,7 +141,7 @@
   % for hdr in lib.get("public_headers", []):
       "${hdr}",
   % endfor
-  % for hdr in lib.get("headers", []):
+  % for hdr in hdrs:
       "${hdr}",
   % endfor
     ],
@@ -138,6 +155,9 @@
   % endfor
   % if lib.get('secure', False):
       "//external:libssl_objc",
+  % endif
+  % if uses_nanopb:
+      "//external:nanopb",
   % endif
     ],
   % if lib.get("baselib", false):
diff --git a/templates/Makefile.template b/templates/Makefile.template
index c54c146620fb4e2d90fc8bd0f0f68f18cb08b51f..e84ceebf221e037cabfec0c904d6dcca95ecb7cb 100644
--- a/templates/Makefile.template
+++ b/templates/Makefile.template
@@ -7,7 +7,7 @@
   # This file can be regenerated from the template by running
   # tools/buildgen/generate_projects.sh
 
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
@@ -1737,7 +1737,7 @@
    $(LIBDIR)/$(CONFIG)/lib${dep}.a\
   % endfor
 
-  % if tgt.language == "c++" or tgt.boringssl:
+  % if tgt.language == "c++" or tgt.boringssl or tgt.build == 'fuzzer':
   ## C++ targets specificies.
   % if tgt.build == 'protoc':
   	$(E) "[HOSTLD]  Linking $@"
@@ -1790,6 +1790,9 @@
    $(GTEST_LIB)\
   % elif tgt.language == 'c++' and tgt.build == 'benchmark':
    $(GTEST_LIB)\
+  % endif
+  % if tgt.build == 'fuzzer':
+   -lFuzzer\
   % endif
    -o $(BINDIR)/$(CONFIG)/${tgt.name}
   % if tgt.build == 'protoc' or tgt.language == 'c++':
diff --git a/templates/binding.gyp.template b/templates/binding.gyp.template
index 3ffbc0664322f207305419d215d5926765600545..40d430f79255673ff30f9f05b3a8edd9a7324904 100644
--- a/templates/binding.gyp.template
+++ b/templates/binding.gyp.template
@@ -7,7 +7,7 @@
   # This file can be regenerated from the template by running
   # tools/buildgen/generate_projects.sh
 
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/composer.json.template b/templates/composer.json.template
new file mode 100644
index 0000000000000000000000000000000000000000..275b4655ced4f792025ec6a3f9397b71bdf3c1b4
--- /dev/null
+++ b/templates/composer.json.template
@@ -0,0 +1,27 @@
+%YAML 1.2
+--- |
+  {
+    "name": "grpc/grpc",
+    "type": "library",
+    "description": "gRPC library for PHP",
+    "version": "${settings.php_version.php()}",
+    "keywords": ["rpc"],
+    "homepage": "http://grpc.io",
+    "license": "BSD-3-Clause",
+    "repositories": [
+      {
+        "type": "vcs",
+        "url": "https://github.com/stanley-cheung/Protobuf-PHP"
+      }
+    ],
+    "require": {
+      "php": ">=5.5.0",
+      "datto/protobuf-php": "dev-master",
+      "google/auth": "v0.7"
+    },
+    "autoload": {
+      "psr-4": {
+        "Grpc\\": "src/php/lib/Grpc/"
+      }
+    }
+  }
diff --git a/templates/grpc.gemspec.template b/templates/grpc.gemspec.template
index 701e1c7485bbe6d5c7b98f982da0b3e1679acce4..ce775ffb90bf7f10cb8767f792fd2a7d72dc2f48 100644
--- a/templates/grpc.gemspec.template
+++ b/templates/grpc.gemspec.template
@@ -26,10 +26,6 @@
     s.files += Dir.glob('include/grpc/**/*')
     s.test_files = Dir.glob('src/ruby/spec/**/*')
     s.bindir = 'src/ruby/bin'
-    ${'%'}w(math noproto).each do |b|
-      s.executables += ["#{b}_client.rb", "#{b}_server.rb"]
-    end
-    s.executables += %w(grpc_ruby_interop_client grpc_ruby_interop_server)
     s.require_paths = %w( src/ruby/bin src/ruby/lib src/ruby/pb )
     s.platform      = Gem::Platform::RUBY
 
@@ -37,6 +33,7 @@
     s.add_dependency 'googleauth',      '~> 0.5.1'
 
     s.add_development_dependency 'bundler',            '~> 1.9'
+    s.add_development_dependency 'facter',             '~> 2.4'
     s.add_development_dependency 'logging',            '~> 2.0'
     s.add_development_dependency 'simplecov',          '~> 0.9'
     s.add_development_dependency 'rake',               '~> 10.4'
diff --git a/templates/package.json.template b/templates/package.json.template
index 99e8287b35713ae2cc6263d964ed4a8cae97a0f7..11718b1ccbd407e2b86229b1496fa189c248a276 100644
--- a/templates/package.json.template
+++ b/templates/package.json.template
@@ -21,7 +21,7 @@
       "lib": "src/node/src"
     },
     "scripts": {
-      "lint": "node ./node_modules/jshint/bin/jshint src/node/src src/node/test src/node/interop src/node/index.js",
+      "lint": "node ./node_modules/jshint/bin/jshint src/node/src src/node/test src/node/interop src/node/index.js --exclude-path=src/node/.jshintignore",
       "test": "./node_modules/.bin/mocha src/node/test && npm run-script lint",
       "gen_docs": "./node_modules/.bin/jsdoc -c src/node/jsdoc_conf.json",
       "coverage": "./node_modules/.bin/istanbul cover ./node_modules/.bin/_mocha src/node/test",
@@ -29,6 +29,7 @@
     },
     "bundledDependencies": ["node-pre-gyp"],
     "dependencies": {
+      "arguejs": "^0.2.3",
       "lodash": "^3.9.3",
       "nan": "^2.0.0",
       "protobufjs": "^4.0.0"
@@ -36,6 +37,7 @@
     "devDependencies": {
       "async": "^1.5.0",
       "google-auth-library": "^0.9.2",
+      "google-protobuf": "^3.0.0-alpha.5",
       "istanbul": "^0.3.21",
       "jsdoc": "^3.3.2",
       "jshint": "^2.5.0",
@@ -62,22 +64,36 @@
       "src/node/health_check",
       "src/proto",
       "etc",
-      % for module in node_modules:
-      % for file in module.headers + module.src + module.js:
-      "${file}",
-      % endfor
-      % for dep in module.transitive_deps:
-      % for lib in libs:
-      % if lib.name == dep:
-      % for file in lib.get('public_headers', []) + lib.headers + lib.src:
-      "${file}",
-      % endfor
-      % endif
-      % endfor
-      % endfor
-      % endfor
+      "src/node/index.js",
+      "src/node/src",
+      "src/node/ext",
+      "include/grpc",
+      "src/core",
+      "third_party/nanopb",
+      "third_party/zlib",
+      "third_party/boringssl",
       "binding.gyp"
     ],
     "main": "src/node/index.js",
-    "license": "BSD-3-Clause"
+    "license": "BSD-3-Clause",
+    "jshintConfig" : {
+      "bitwise": true,
+      "curly": true,
+      "eqeqeq": true,
+      "esnext": true,
+      "freeze": true,
+      "immed": true,
+      "indent": 2,
+      "latedef": "nofunc",
+      "maxlen": 80,
+      "mocha": true,
+      "newcap": true,
+      "node": true,
+      "noarg": true,
+      "quotmark": "single",
+      "strict": true,
+      "trailing": true,
+      "undef": true,
+      "unused": "vars"
+    }
   }
diff --git a/templates/package.xml.template b/templates/package.xml.template
index 8f757401e4c1771d31c843cb811fbaa5882fd6e1..63132dac947a96fd706a0b7566898237137883f0 100644
--- a/templates/package.xml.template
+++ b/templates/package.xml.template
@@ -12,11 +12,11 @@
     <email>grpc-packages@google.com</email>
     <active>yes</active>
    </lead>
-   <date>2016-03-01</date>
+   <date>2016-04-19</date>
    <time>16:06:07</time>
    <version>
-    <release>0.14.0</release>
-    <api>0.14.0</api>
+    <release>${settings.php_version.php()}</release>
+    <api>${settings.php_version.php()}</api>
    </version>
    <stability>
     <release>beta</release>
@@ -24,7 +24,7 @@
    </stability>
    <license>BSD</license>
    <notes>
-  - Increase unit test code coverage #5225
+  - destroy grpc_byte_buffer after startBatch #6096
    </notes>
    <contents>
     <dir baseinstalldir="/" name="/">
@@ -157,8 +157,8 @@
     </release>
     <release>
      <version>
-      <release>0.14.0</release>
-      <api>0.14.0</api>
+      <release>0.8.1</release>
+      <api>0.8.1</api>
      </version>
      <stability>
       <release>beta</release>
@@ -170,5 +170,20 @@
   - Increase unit test code coverage #5225
      </notes>
     </release>
+    <release>
+     <version>
+      <release>${settings.php_version.php()}</release>
+      <api>${settings.php_version.php()}</api>
+     </version>
+     <stability>
+      <release>beta</release>
+      <api>beta</api>
+     </stability>
+     <date>2016-04-19</date>
+     <license>BSD</license>
+     <notes>
+  - destroy grpc_byte_buffer after startBatch #6096
+     </notes>
+    </release>
    </changelog>
   </package>
diff --git a/templates/src/core/surface/version.c.template b/templates/src/core/lib/surface/version.c.template
similarity index 97%
rename from templates/src/core/surface/version.c.template
rename to templates/src/core/lib/surface/version.c.template
index f2b3cfdc5893baf3ce12775ac38af41b5f433de6..5f0273e49df4e58ca2431ab99aceadeff5235675 100644
--- a/templates/src/core/surface/version.c.template
+++ b/templates/src/core/lib/surface/version.c.template
@@ -2,7 +2,7 @@
 --- |
   /*
    *
-   * Copyright 2015-2016, Google Inc.
+   * Copyright 2015, Google Inc.
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
diff --git a/templates/src/core/plugin_registry.template b/templates/src/core/plugin_registry.template
new file mode 100644
index 0000000000000000000000000000000000000000..352682c3f0b3c5a081c2c81674dccadc48feda9d
--- /dev/null
+++ b/templates/src/core/plugin_registry.template
@@ -0,0 +1,52 @@
+%YAML 1.2
+---
+foreach: libs
+cond: selected.get('generate_plugin_registry', False)
+output_name: ${selected.name}_plugin_registry.c
+template: |
+  /*
+   *
+   * Copyright 2016, Google Inc.
+   * All rights reserved.
+   *
+   * Redistribution and use in source and binary forms, with or without
+   * modification, are permitted provided that the following conditions are
+   * met:
+   *
+   *     * Redistributions of source code must retain the above copyright
+   * notice, this list of conditions and the following disclaimer.
+   *     * Redistributions in binary form must reproduce the above
+   * copyright notice, this list of conditions and the following disclaimer
+   * in the documentation and/or other materials provided with the
+   * distribution.
+   *     * Neither the name of Google Inc. nor the names of its
+   * contributors may be used to endorse or promote products derived from
+   * this software without specific prior written permission.
+   *
+   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+   *
+   */
+
+  #include <grpc/grpc.h>
+
+  %for plugin in selected.plugins:
+  extern void ${plugin}_init(void);
+  extern void ${plugin}_shutdown(void);
+  %endfor
+
+  void grpc_register_built_in_plugins(void) {
+  %for plugin in selected.plugins:
+    grpc_register_plugin(${plugin}_init,
+                         ${plugin}_shutdown);
+  %endfor
+  }
diff --git a/templates/src/csharp/Grpc.Core/VersionInfo.cs.template b/templates/src/csharp/Grpc.Core/VersionInfo.cs.template
index 59864fa058334510eb8559c7eb8fbc82dbfd4ca8..96cf2ee17f4701961fbbf8a5cbbe29dc29bcaffe 100644
--- a/templates/src/csharp/Grpc.Core/VersionInfo.cs.template
+++ b/templates/src/csharp/Grpc.Core/VersionInfo.cs.template
@@ -2,7 +2,7 @@
 --- |
   #region Copyright notice and license
   
-  // Copyright 2015-2016, Google Inc.
+  // Copyright 2015, Google Inc.
   // All rights reserved.
   //
   // Redistribution and use in source and binary forms, with or without
@@ -37,13 +37,20 @@
   {
       /// <summary>
       /// Provides info about current version of gRPC.
+      /// See https://codingforsmarties.wordpress.com/2016/01/21/how-to-version-assemblies-destined-for-nuget/
+      /// for rationale about assembly versioning.
       /// </summary>
       public static class VersionInfo
       {
           /// <summary>
-          /// Current version of gRPC C# assemblies
+          /// Current <c>AssemblyVersion</c> attribute of gRPC C# assemblies
           /// </summary>
-          public const string CurrentAssemblyVersion = "${settings.version.major}.${settings.version.minor}.${settings.version.patch}.0";
+          public const string CurrentAssemblyVersion = "1.0.0.0";
+
+          /// <summary>
+          /// Current <c>AssemblyFileVersion</c> of gRPC C# assemblies
+          /// </summary>
+          public const string CurrentAssemblyFileVersion = "${settings.version.major}.${settings.version.minor}.${settings.version.patch}.0";
 
           /// <summary>
           /// Current version of gRPC C#
diff --git a/templates/src/csharp/build_packages.bat.template b/templates/src/csharp/build_packages.bat.template
index 32455683be8892dfbe2a4575ff0bac3a472363d5..3b445a8ac94323662a28813691ab352585fe752a 100644
--- a/templates/src/csharp/build_packages.bat.template
+++ b/templates/src/csharp/build_packages.bat.template
@@ -14,12 +14,12 @@
   
   @rem Collect the artifacts built by the previous build step if running on Jenkins
   @rem TODO(jtattermusch): is there a better way to do this?
-  xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=windows\artifacts\* grpc.native.csharp\windows_x86${"\\"}
-  xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=windows\artifacts\* grpc.native.csharp\windows_x64${"\\"}
-  xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=linux\artifacts\* grpc.native.csharp\linux_x86${"\\"}
-  xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=linux\artifacts\* grpc.native.csharp\linux_x64${"\\"}
-  xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=macos\artifacts\* grpc.native.csharp\macosx_x86${"\\"}
-  xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=macos\artifacts\* grpc.native.csharp\macosx_x64${"\\"}
+  xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=windows\artifacts\* Grpc.Core\windows_x86${"\\"}
+  xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=windows\artifacts\* Grpc.Core\windows_x64${"\\"}
+  xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=linux\artifacts\* Grpc.Core\linux_x86${"\\"}
+  xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=linux\artifacts\* Grpc.Core\linux_x64${"\\"}
+  xcopy /Y /I ..\..\architecture=x86,language=csharp,platform=macos\artifacts\* Grpc.Core\macosx_x86${"\\"}
+  xcopy /Y /I ..\..\architecture=x64,language=csharp,platform=macos\artifacts\* Grpc.Core\macosx_x64${"\\"}
   
   @rem Collect protoc artifacts built by the previous build step
   xcopy /Y /I ..\..\architecture=x86,language=protoc,platform=windows\artifacts\* protoc_plugins\windows_x86${"\\"}
@@ -44,7 +44,6 @@
   
   endlocal
   
-  %%NUGET% pack grpc.native.csharp\grpc.native.csharp.nuspec -Version %VERSION% || goto :error
   %%NUGET% pack Grpc.Auth\Grpc.Auth.nuspec -Symbols -Version %VERSION% || goto :error
   %%NUGET% pack Grpc.Core\Grpc.Core.nuspec -Symbols -Version %VERSION% || goto :error
   %%NUGET% pack Grpc.HealthCheck\Grpc.HealthCheck.nuspec -Symbols -Version %VERSION_WITH_BETA% -Properties ProtobufVersion=%PROTOBUF_VERSION% || goto :error
diff --git a/templates/src/node/tools/package.json.template b/templates/src/node/tools/package.json.template
new file mode 100644
index 0000000000000000000000000000000000000000..c69de7c989f3a8979597b07c2f3d7ce6a7db8d29
--- /dev/null
+++ b/templates/src/node/tools/package.json.template
@@ -0,0 +1,40 @@
+%YAML 1.2
+--- |
+  {
+    "name": "grpc-tools",
+    "version": "${settings.node_version}",
+    "author": "Google Inc.",
+    "description": "Tools for developing with gRPC on Node.js",
+    "homepage": "http://www.grpc.io/",
+    "repository": {
+      "type": "git",
+      "url": "https://github.com/grpc/grpc.git"
+    },
+    "bugs": "https://github.com/grpc/grpc/issues",
+    "contributors": [
+      {
+        "name": "Michael Lumish",
+        "email": "mlumish@google.com"
+      }
+    ],
+    "bin": {
+      "grpc-tools-protoc": "./bin/protoc.js"
+    },
+    "scripts": {
+      "install": "./node_modules/.bin/node-pre-gyp install"
+    },
+    "bundledDependencies": ["node-pre-gyp"],
+    "binary": {
+      "module_name": "grpc_tools",
+      "host": "https://storage.googleapis.com/",
+      "remote_path": "grpc-precompiled-binaries/node/{name}/v{version}",
+      "package_name": "{platform}-{arch}.tar.gz",
+      "module_path": "bin"
+    },
+    "files": [
+      "index.js",
+      "bin/protoc.js",
+      "LICENSE"
+    ],
+    "main": "index.js"
+  }
diff --git a/templates/src/python/grpcio/grpc_core_dependencies.py.template b/templates/src/python/grpcio/grpc_core_dependencies.py.template
index 2fc7a03f18148baf839ad610c3b84c2dec3b3451..01770a9e9101f1c784157b6943cfa4006e067fe0 100644
--- a/templates/src/python/grpcio/grpc_core_dependencies.py.template
+++ b/templates/src/python/grpcio/grpc_core_dependencies.py.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/src/python/grpcio/grpc_version.py.template b/templates/src/python/grpcio/grpc_version.py.template
index aaacab1a5080a02919297e3417da7ac0399d3f81..39a6932ebb79af3bf6df9a3627ab2eeb69904074 100644
--- a/templates/src/python/grpcio/grpc_version.py.template
+++ b/templates/src/python/grpcio/grpc_version.py.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/src/ruby/lib/grpc/version.rb.template b/templates/src/ruby/lib/grpc/version.rb.template
index 6488614aed9b5f334741f2910976fecf33a2bd78..9c7bc13f6c6770eacd64e2ec352598c6b897ab73 100644
--- a/templates/src/ruby/lib/grpc/version.rb.template
+++ b/templates/src/ruby/lib/grpc/version.rb.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/test/core/end2end/end2end_defs.include b/templates/test/core/end2end/end2end_defs.include
index 929827e145334f44cf90408d20467eb21990b310..b828f84f1c68f9fa0d829193b66be8e2c5b668a1 100644
--- a/templates/test/core/end2end/end2end_defs.include
+++ b/templates/test/core/end2end/end2end_defs.include
@@ -1,7 +1,7 @@
 <%def name="end2end_selector(tests)">
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,17 +36,33 @@
 /* This file is auto-generated */
 
 #include "test/core/end2end/end2end_tests.h"
+
+#include <stdbool.h>
 #include <string.h>
+
 #include <grpc/support/log.h>
 
+static bool g_pre_init_called = false;
+
 % for test in tests:
 extern void ${test}(grpc_end2end_test_config config);
+extern void ${test}_pre_init(void);
 % endfor
 
+void grpc_end2end_tests_pre_init(void) {
+  GPR_ASSERT(!g_pre_init_called);
+  g_pre_init_called = true;
+% for test in tests:
+  ${test}_pre_init();
+% endfor
+}
+
 void grpc_end2end_tests(int argc, char **argv,
                         grpc_end2end_test_config config) {
   int i;
 
+  GPR_ASSERT(g_pre_init_called);
+
   if (argc <= 1) {
 % for test in tests:
     ${test}(config);
@@ -64,4 +80,4 @@ void grpc_end2end_tests(int argc, char **argv,
     gpr_log(GPR_DEBUG, "not a test: '%s'", argv[i]);
     abort();
   }
-}</%def>
\ No newline at end of file
+}</%def>
diff --git a/templates/tools/dockerfile/apt_get_basic.include b/templates/tools/dockerfile/apt_get_basic.include
index 547ce01a300902e06717f09be302a23e86f82cfd..9237e7dacef6bf786c53de2650e1a753c11b2584 100644
--- a/templates/tools/dockerfile/apt_get_basic.include
+++ b/templates/tools/dockerfile/apt_get_basic.include
@@ -1,4 +1,3 @@
-<%page args="skip_golang=False"/>\
 # Install Git and basic packages.
 RUN apt-get update && apt-get install -y ${'\\'}
   autoconf ${'\\'}
@@ -10,9 +9,7 @@ RUN apt-get update && apt-get install -y ${'\\'}
   gcc ${'\\'}
   gcc-multilib ${'\\'}
   git ${'\\'}
-% if not skip_golang:
   golang ${'\\'}
-% endif
   gyp ${'\\'}
   lcov ${'\\'}
   libc6 ${'\\'}
diff --git a/templates/tools/dockerfile/clang_update.include b/templates/tools/dockerfile/clang_update.include
new file mode 100644
index 0000000000000000000000000000000000000000..4f827c8dc21b9f89d1a7bae64461731e7f415b85
--- /dev/null
+++ b/templates/tools/dockerfile/clang_update.include
@@ -0,0 +1,32 @@
+#=================
+# Update clang to a version with improved tsan and fuzzing capabilities
+
+RUN apt-get update && apt-get -y install python cmake && apt-get clean
+
+RUN git clone -n -b release_38 http://llvm.org/git/llvm.git && ${'\\'}
+  cd llvm && git checkout ad57503 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/clang.git && ${'\\'}
+  cd clang && git checkout ad2c56e && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/compiler-rt.git && ${'\\'}
+  cd compiler-rt && git checkout 3176922 && cd ..
+RUN git clone -n -b release_38 ${'\\'}
+  http://llvm.org/git/clang-tools-extra.git && cd clang-tools-extra && ${'\\'}
+  git checkout c288525 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxx.git && ${'\\'}
+  cd libcxx && git checkout fda3549  && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxxabi.git && ${'\\'}
+  cd libcxxabi && git checkout 8d4e51d && cd ..
+
+RUN mv clang llvm/tools
+RUN mv compiler-rt llvm/projects
+RUN mv clang-tools-extra llvm/tools/clang/tools
+RUN mv libcxx llvm/projects
+RUN mv libcxxabi llvm/projects
+
+RUN mkdir llvm-build
+RUN cd llvm-build && cmake ${'\\'}
+  -DCMAKE_BUILD_TYPE:STRING=Release ${'\\'}
+  -DCMAKE_INSTALL_PREFIX:STRING=/usr ${'\\'}
+  -DLLVM_TARGETS_TO_BUILD:STRING=X86 ${'\\'}
+  ../llvm
+RUN make -C llvm-build -j 12 && make -C llvm-build install && rm -rf llvm-build
diff --git a/templates/tools/dockerfile/gcp_api_libraries.include b/templates/tools/dockerfile/gcp_api_libraries.include
new file mode 100644
index 0000000000000000000000000000000000000000..669b0f887c820a41afe4377669aa39516bcec913
--- /dev/null
+++ b/templates/tools/dockerfile/gcp_api_libraries.include
@@ -0,0 +1,4 @@
+# Google Cloud platform API libraries
+RUN apt-get update && apt-get install -y python-pip && apt-get clean
+RUN pip install --upgrade google-api-python-client
+
diff --git a/templates/tools/dockerfile/go_path.include b/templates/tools/dockerfile/go_path.include
new file mode 100644
index 0000000000000000000000000000000000000000..a41cc49d380042435da39568e8157d1cc7c70ac1
--- /dev/null
+++ b/templates/tools/dockerfile/go_path.include
@@ -0,0 +1,2 @@
+# Using login shell removes Go from path, so we add it.
+RUN ln -s /usr/local/go/bin/go /usr/local/bin
diff --git a/templates/tools/dockerfile/java_deps.include b/templates/tools/dockerfile/java_deps.include
new file mode 100644
index 0000000000000000000000000000000000000000..40d70e06d1a3618bdbb0a26d689abfa8733755b9
--- /dev/null
+++ b/templates/tools/dockerfile/java_deps.include
@@ -0,0 +1,17 @@
+# Install JDK 8 and Git
+#
+RUN echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | /usr/bin/debconf-set-selections && ${'\\'}
+  echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main" | tee /etc/apt/sources.list.d/webupd8team-java.list && ${'\\'}
+  echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main" | tee -a /etc/apt/sources.list.d/webupd8team-java.list && ${'\\'}
+  apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys EEA14886
+
+RUN apt-get update && apt-get -y install ${'\\'}
+      git ${'\\'}
+      libapr1 ${'\\'}
+      oracle-java8-installer ${'\\'}
+      && ${'\\'}
+    apt-get clean && rm -r /var/cache/oracle-jdk8-installer/
+
+ENV JAVA_HOME /usr/lib/jvm/java-8-oracle
+ENV PATH $PATH:$JAVA_HOME/bin
+
diff --git a/templates/tools/dockerfile/run_tests_addons.include b/templates/tools/dockerfile/run_tests_addons.include
index 30d22be2980462f8f281f9ce011eae0223da0c28..27ac67f5d8feeec3023090c99d06dd7c5870c5a7 100644
--- a/templates/tools/dockerfile/run_tests_addons.include
+++ b/templates/tools/dockerfile/run_tests_addons.include
@@ -1,10 +1,7 @@
-<%page args="skip_zookeeper=False"/>\
 <%include file="ccache_setup.include"/>
-% if not skip_zookeeper:
 #======================
 # Zookeeper dependencies
 # TODO(jtattermusch): is zookeeper still needed?
 RUN apt-get install -y libzookeeper-mt-dev
-% endif
 
 RUN mkdir /var/local/jenkins
diff --git a/templates/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile.template b/templates/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile.template
new file mode 100644
index 0000000000000000000000000000000000000000..ac087c5da74ba8e5618834c2e18a1d4c20ccb6d8
--- /dev/null
+++ b/templates/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile.template
@@ -0,0 +1,40 @@
+%YAML 1.2
+--- |
+  # Copyright 2015-2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../ccache_setup.include"/>
+  <%include file="../../cxx_deps.include"/>
+  <%include file="../../gcp_api_libraries.include"/>
+  <%include file="../../clang_update.include"/>
+  # Define the default command.
+  CMD ["bash"]
diff --git a/templates/tools/dockerfile/stress_test/grpc_interop_stress_go/Dockerfile.template b/templates/tools/dockerfile/stress_test/grpc_interop_stress_go/Dockerfile.template
new file mode 100644
index 0000000000000000000000000000000000000000..3ed3d6556f9a768fee8fdd8ee580efa6139c4dd4
--- /dev/null
+++ b/templates/tools/dockerfile/stress_test/grpc_interop_stress_go/Dockerfile.template
@@ -0,0 +1,37 @@
+%YAML 1.2
+--- |
+  # Copyright 2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM golang:1.5
+  
+  <%include file="../../gcp_api_libraries.include"/>
+  <%include file="../../go_path.include"/>
+  # Define the default command.
+  CMD ["bash"]
diff --git a/templates/tools/dockerfile/stress_test/grpc_interop_stress_java/Dockerfile.template b/templates/tools/dockerfile/stress_test/grpc_interop_stress_java/Dockerfile.template
new file mode 100644
index 0000000000000000000000000000000000000000..17ed99fd2e40ff10659b300136e63a0f7656efef
--- /dev/null
+++ b/templates/tools/dockerfile/stress_test/grpc_interop_stress_java/Dockerfile.template
@@ -0,0 +1,40 @@
+%YAML 1.2
+--- |
+  # Copyright 2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../ccache_setup.include"/>
+  <%include file="../../cxx_deps.include"/>
+  <%include file="../../gcp_api_libraries.include"/>
+  <%include file="../../java_deps.include"/>
+  # Define the default command.
+  CMD ["bash"]
diff --git a/templates/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile.template b/templates/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile.template
new file mode 100644
index 0000000000000000000000000000000000000000..c50d38d1eca4f4d66505e92fe224bc9a2b943253
--- /dev/null
+++ b/templates/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile.template
@@ -0,0 +1,39 @@
+%YAML 1.2
+--- |
+  # Copyright 2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../node_deps.include"/>
+  <%include file="../../gcp_api_libraries.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
diff --git a/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template
index 1c01deac3d4c96cc081427616580b539f6febbb2..4cb8d3b088fdbf3b5c30be283870849b589ac169 100644
--- a/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/dockerfile/test/cxx_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/cxx_jessie_x64/Dockerfile.template
index 842c534805059af06a760b130b8fd2c42400e2db..04abf9f741ed257f2f84e511a0ef77f93e0fd44f 100644
--- a/templates/tools/dockerfile/test/cxx_jessie_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/cxx_jessie_x64/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
@@ -33,7 +33,7 @@
   
   <%include file="../../apt_get_basic.include"/>
   <%include file="../../cxx_deps.include"/>
+  <%include file="../../clang_update.include"/>
   <%include file="../../run_tests_addons.include"/>
   # Define the default command.
   CMD ["bash"]
-  
\ No newline at end of file
diff --git a/templates/tools/dockerfile/test/cxx_jessie_x86/Dockerfile.template b/templates/tools/dockerfile/test/cxx_jessie_x86/Dockerfile.template
index 4e95cdd65eaa9de20460d6572272bbec231ce6b1..7f43e759fc0e1e1671b3fb75a0e9c7108484065a 100644
--- a/templates/tools/dockerfile/test/cxx_jessie_x86/Dockerfile.template
+++ b/templates/tools/dockerfile/test/cxx_jessie_x86/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile.template b/templates/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile.template
index d824220afeaf335d3814430e736afcc0f7342439..fbed53930b60056d19d3d35f5773007775b9803d 100644
--- a/templates/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile.template b/templates/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile.template
index 6b302748925f2133c35744194d40478e7029ff15..c11cefd283b1b77833e98e846648f7fc85fc81c8 100644
--- a/templates/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/dockerfile/test/cxx_squeeze_x64/Dockerfile.template b/templates/tools/dockerfile/test/cxx_wheezy_x64/Dockerfile.template
similarity index 78%
rename from templates/tools/dockerfile/test/cxx_squeeze_x64/Dockerfile.template
rename to templates/tools/dockerfile/test/cxx_wheezy_x64/Dockerfile.template
index 49371aaa3bbc6abbff53f510528304e81c2e22e2..79567987817dd6a33bd8811d568ec19992312d48 100644
--- a/templates/tools/dockerfile/test/cxx_squeeze_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/cxx_wheezy_x64/Dockerfile.template
@@ -29,20 +29,19 @@
   # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-  FROM debian:squeeze
+  FROM debian:wheezy
 
-  <%include file="../../apt_get_basic.include" args="skip_golang=True"/>
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../cxx_deps.include"/>
 
-  # libgflags-dev is not available on squeezy
-  RUN apt-get update && apt-get -y install libgtest-dev libc++-dev clang && apt-get clean
-
-  RUN apt-get update && apt-get -y install python-pip && apt-get clean
-  RUN pip install argparse
+  RUN apt-get update && apt-get install -y ${'\\'}
+    gcc-4.4 ${'\\'}
+    gcc-4.4-multilib
 
   RUN wget ${openssl_fallback.base_uri + openssl_fallback.tarball}
 
-  ENV POST_GIT_STEP tools/dockerfile/test/cxx_squeeze_x64/post-git-setup.sh
+  ENV POST_GIT_STEP tools/dockerfile/test/cxx_wheezy_x64/post-git-setup.sh
 
-  <%include file="../../run_tests_addons.include" args="skip_zookeeper=True"/>
+  <%include file="../../run_tests_addons.include"/>
   # Define the default command.
   CMD ["bash"]
diff --git a/templates/tools/dockerfile/test/cxx_squeeze_x64/post-git-setup.sh.template b/templates/tools/dockerfile/test/cxx_wheezy_x64/post-git-setup.sh.template
similarity index 100%
rename from templates/tools/dockerfile/test/cxx_squeeze_x64/post-git-setup.sh.template
rename to templates/tools/dockerfile/test/cxx_wheezy_x64/post-git-setup.sh.template
diff --git a/templates/tools/dockerfile/test/fuzzer/Dockerfile.template b/templates/tools/dockerfile/test/fuzzer/Dockerfile.template
new file mode 100644
index 0000000000000000000000000000000000000000..33df275908406cbe6dea47d933b43e0dda702dc6
--- /dev/null
+++ b/templates/tools/dockerfile/test/fuzzer/Dockerfile.template
@@ -0,0 +1,43 @@
+%YAML 1.2
+--- |
+  # Copyright 2015, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+  FROM debian:jessie
+
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../cxx_deps.include"/>
+  <%include file="../../clang_update.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  RUN clang++ -c -g -O2 -std=c++11 llvm/lib/Fuzzer/*.cpp -IFuzzer
+  RUN ar ruv libFuzzer.a Fuzzer*.o
+  RUN mv libFuzzer.a /usr/lib
+  RUN rm -f Fuzzer*.o
+  # Define the default command.
+  CMD ["bash"]
diff --git a/templates/tools/dockerfile/test/node_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/node_jessie_x64/Dockerfile.template
index 10551a574e38a938e1e3ea0c75a523d87984b41e..5a6233343e9d2e6f53e3b438421b6d73ea89e753 100644
--- a/templates/tools/dockerfile/test/node_jessie_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/node_jessie_x64/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/dockerfile/test/php_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/php_jessie_x64/Dockerfile.template
index d7172398a9ed5750234ebdc1276580a4c4b970e1..fffac89efcd0cb814dea764bd5f2676a0249f47f 100644
--- a/templates/tools/dockerfile/test/php_jessie_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/php_jessie_x64/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/dockerfile/test/python_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/python_jessie_x64/Dockerfile.template
index 9e68b3ef9174cca980a10bcfea9614e2adafffa9..46fb84ba830d6a1d6ae4e065cb3bced49b6208c7 100644
--- a/templates/tools/dockerfile/test/python_jessie_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/python_jessie_x64/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/dockerfile/test/ruby_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/ruby_jessie_x64/Dockerfile.template
index db777bebb440ef2e1894857383afae2dadc51408..70baddffbf9fff94b73dceaf035233e3d9b0065e 100644
--- a/templates/tools/dockerfile/test/ruby_jessie_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/ruby_jessie_x64/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/dockerfile/test/sanity/Dockerfile.template b/templates/tools/dockerfile/test/sanity/Dockerfile.template
index ad1d92e7cbd4fa6af5b9495a73abcc7fc4032162..8d6f52db54eefdca7985354c03ebc8bb90a8faac 100644
--- a/templates/tools/dockerfile/test/sanity/Dockerfile.template
+++ b/templates/tools/dockerfile/test/sanity/Dockerfile.template
@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
@@ -34,7 +34,14 @@
   <%include file="../../apt_get_basic.include"/>
   #========================
   # Sanity test dependencies
-  RUN apt-get update && apt-get install -y python-pip
+  RUN apt-get update && apt-get install -y ${"\\"}
+        python-pip ${"\\"}
+        autoconf ${"\\"}
+        automake ${"\\"}
+        libtool ${"\\"}
+        curl ${"\\"}
+        python-virtualenv ${"\\"}
+        python-lxml
   RUN pip install simplejson mako
 
   #===================
diff --git a/templates/tools/fuzzer/runners.template b/templates/tools/fuzzer/runners.template
new file mode 100644
index 0000000000000000000000000000000000000000..e84a89a1803ab1e6cec1861cd90ce02fb7ce05b9
--- /dev/null
+++ b/templates/tools/fuzzer/runners.template
@@ -0,0 +1,54 @@
+%YAML 1.2
+---
+foreach: targets
+cond: selected.build == 'fuzzer'
+output_name: ${selected.name}.sh
+template: |
+  #!/bin/bash
+  # Copyright 2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  #
+
+  flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=${selected.maxlen} -timeout=120"
+  
+  %if selected.get('dict'):
+  flags="$flags -dict=${selected.dict}"
+  %endif
+
+  if [ "$jobs" != "1" ]
+  then
+    flags="-jobs=$jobs -workers=$jobs $flags"
+  fi
+
+  if [ "$config" == "asan-trace-cmp" ]
+  then
+    flags="-use_traces=1 $flags"
+  fi
+
+  bins/$config/${selected.name} $flags fuzzer_output ${' '.join(selected.corpus_dirs)}
diff --git a/templates/tools/openssl/use_openssl.sh.template b/templates/tools/openssl/use_openssl.sh.template
index 5fb377154a1b18fbd14a9090f74e34cb9574dd1c..237a92b02fd9351ba57f060300b8eddb6f5d13a4 100644
--- a/templates/tools/openssl/use_openssl.sh.template
+++ b/templates/tools/openssl/use_openssl.sh.template
@@ -2,7 +2,7 @@
 --- |
   #!/bin/bash
 
-  # Copyright 2015-2016, Google Inc.
+  # Copyright 2015, Google Inc.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
diff --git a/templates/tools/run_tests/sources_and_headers.json.template b/templates/tools/run_tests/sources_and_headers.json.template
index 18b9bc26547ccf992de4b5a2058bba35a7f1615f..07559828dc49a5ff9086f4b44ba13fdf559dc7d3 100644
--- a/templates/tools/run_tests/sources_and_headers.json.template
+++ b/templates/tools/run_tests/sources_and_headers.json.template
@@ -12,11 +12,13 @@
         out.extend(fmt % name for fmt in ['%s.grpc.pb.h', '%s.pb.h'])
     return out
 
-  def all_targets(targets, libs):
+  def all_targets(targets, libs, filegroups):
     for tgt in targets:
       yield ('target', tgt)
     for tgt in libs:
       yield ('lib', tgt)
+    for tgt in filegroups:
+      yield ('filegroup', tgt)
 
   def no_protos_filter(src):
   	return os.path.splitext(src)[1] != '.proto'
@@ -38,13 +40,15 @@
                  "language": tgt.language,
                  "third_party": tgt.boringssl or tgt.zlib,
                  "src": sorted(
-                     filter_srcs(tgt.src, (no_protos_filter, no_third_party_filter)) +
-                     filter_srcs(tgt.get('public_headers', []), (no_protos_filter, no_third_party_filter)) +
-                     filter_srcs(tgt.get('headers', []), (no_third_party_filter,))),
+                     filter_srcs(tgt.own_src, (no_protos_filter, no_third_party_filter)) +
+                     filter_srcs(tgt.own_public_headers, (no_protos_filter, no_third_party_filter)) +
+                     filter_srcs(tgt.own_headers, (no_third_party_filter,))),
                  "headers": sorted(
-                     tgt.get('public_headers', []) +
-                     tgt.get('headers', []) +
-                     proto_headers(tgt.src)),
-                 "deps": sorted(tgt.get('deps', []))}
-                for typ, tgt in all_targets(targets, libs)],
+                     tgt.own_public_headers +
+                     tgt.own_headers +
+                     proto_headers(tgt.own_src)),
+                 "deps": sorted(tgt.get('deps', []) +
+                                tgt.get('uses', []) +
+                                tgt.get('filegroups', []))}
+                for typ, tgt in all_targets(targets, libs, filegroups)],
                sort_keys=True, indent=2)}
diff --git a/templates/vsprojects/buildtests_c.sln.template b/templates/vsprojects/buildtests_c.sln.template
index a985fea64ddcb9ade3ded5360fd77c1b5967ae42..21312ab79a4d11bed94505341e441e5b3f1291fe 100644
--- a/templates/vsprojects/buildtests_c.sln.template
+++ b/templates/vsprojects/buildtests_c.sln.template
@@ -2,6 +2,6 @@
 --- |
   <%namespace file="sln_defs.include" import="gen_solution"/>\
   <%
-  solution_projects = [p for p in vsprojects if p.build != 'protoc' and p.language == 'c' and not p.boringssl and not p.zlib]
+  solution_projects = [p for p in vsprojects if p.build not in ['protoc', 'fuzzer'] and p.language == 'c' and not p.boringssl and not p.zlib]
   %>\
   ${gen_solution(solution_projects, use_dlls='yes')}
diff --git a/templates/vsprojects/grpc.sln.template b/templates/vsprojects/grpc.sln.template
index dbbb2c2ad199ea1f00e48dfc7b61f2bd9f358cc6..ded98383dad0e24bd97069d66fc69bef74fd4811 100644
--- a/templates/vsprojects/grpc.sln.template
+++ b/templates/vsprojects/grpc.sln.template
@@ -2,6 +2,6 @@
 --- |
   <%namespace file="sln_defs.include" import="gen_solution"/>\
   <%
-  solution_projects = [p for p in vsprojects if p.build not in ['protoc', 'test'] and p.language in ['c', 'c++'] and p.vs_proj_dir == '.' and not (p.build == 'private' and p.language == 'c++')]
+  solution_projects = [p for p in vsprojects if p.build not in ['protoc', 'test', 'fuzzer'] and p.language in ['c', 'c++'] and p.vs_proj_dir == '.' and not (p.build == 'private' and p.language == 'c++')]
   %>\
   ${gen_solution(solution_projects, use_dlls='yes')}
diff --git a/templates/vsprojects/vcxproj.template b/templates/vsprojects/vcxproj.template
index ecf113b4a8af72500c12d896e32ec47e695aa46f..0bb208f4436d9d91d44c3e058c430b82ab3187f7 100644
--- a/templates/vsprojects/vcxproj.template
+++ b/templates/vsprojects/vcxproj.template
@@ -2,12 +2,14 @@
 ---
 foreach: vsprojects
 output_name: ${selected.vs_proj_dir}/${selected.name}/${selected.name}.vcxproj
+cond: selected.build not in ['fuzzer']
 template: |
   <%namespace file="vcxproj_defs.include" import="gen_project"/>\
   ${gen_project(selected.name, vsprojects)}
 ---
 foreach: vsprojects
 output_name: ${selected.vs_proj_dir}/${selected.name}/${selected.name}.vcxproj.filters
+cond: selected.build not in ['fuzzer']
 template: |
   <%namespace file="vcxproj.filters_defs.include" import="gen_filters"/>\
   ${gen_filters(selected.name, vsprojects)}
diff --git a/test/core/bad_client/bad_client.c b/test/core/bad_client/bad_client.c
index 1a2ca6f0c097879b550cd2e771e03148e4fe9fb9..cd5b541249272747acc20c77c954aa82753a105f 100644
--- a/test/core/bad_client/bad_client.c
+++ b/test/core/bad_client/bad_client.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,17 +33,19 @@
 
 #include "test/core/bad_client/bad_client.h"
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/surface/completion_queue.h"
-#include "src/core/surface/server.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2_transport.h"
-
 #include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
+#include <stdio.h>
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/support/murmur_hash.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/completion_queue.h"
+#include "src/core/lib/surface/server.h"
 
 typedef struct {
   grpc_server *server;
@@ -67,11 +69,8 @@ static void done_write(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   thd_args *a = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, a->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, a->server, transport,
                               grpc_server_get_channel_args(a->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -105,7 +104,7 @@ void grpc_run_bad_client_test(grpc_bad_client_server_side_validator validator,
   sfd = grpc_iomgr_create_endpoint_pair("fixture", 65536);
 
   /* Create server, completion events */
-  a.server = grpc_server_create_from_filters(NULL, 0, NULL);
+  a.server = grpc_server_create(NULL, NULL);
   a.cq = grpc_completion_queue_create(NULL);
   gpr_event_init(&a.done_thd);
   gpr_event_init(&a.done_write);
@@ -113,7 +112,8 @@ void grpc_run_bad_client_test(grpc_bad_client_server_side_validator validator,
   grpc_server_register_completion_queue(a.server, a.cq, NULL);
   a.registered_method =
       grpc_server_register_method(a.server, GRPC_BAD_CLIENT_REGISTERED_METHOD,
-                                  GRPC_BAD_CLIENT_REGISTERED_HOST);
+                                  GRPC_BAD_CLIENT_REGISTERED_HOST,
+                                  GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER, 0);
   grpc_server_start(a.server);
   transport = grpc_create_chttp2_transport(&exec_ctx, NULL, sfd.server, 0);
   server_setup_transport(&a, transport);
@@ -158,9 +158,9 @@ void grpc_run_bad_client_test(grpc_bad_client_server_side_validator validator,
     grpc_exec_ctx_finish(&exec_ctx);
   }
   grpc_server_shutdown_and_notify(a.server, a.cq, NULL);
-  GPR_ASSERT(grpc_completion_queue_pluck(a.cq, NULL,
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 a.cq, NULL, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(a.server);
   grpc_completion_queue_destroy(a.cq);
   gpr_slice_buffer_destroy(&outgoing);
diff --git a/test/core/bad_client/gen_build_yaml.py b/test/core/bad_client/gen_build_yaml.py
index c538bffd718fd4d12548ae89a717eacaf5046e07..d49858ed6d85caff647429786a252bc020536352 100755
--- a/test/core/bad_client/gen_build_yaml.py
+++ b/test/core/bad_client/gen_build_yaml.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,7 @@ BAD_CLIENT_TESTS = {
     'connection_prefix': default_test_options._replace(cpu_cost=0.2),
     'headers': default_test_options._replace(cpu_cost=0.2),
     'initial_settings_frame': default_test_options._replace(cpu_cost=0.2),
+    'head_of_line_blocking': default_test_options,
     'server_registered_method': default_test_options,
     'simple_request': default_test_options,
     'window_overflow': default_test_options,
diff --git a/test/core/bad_client/tests/badreq.c b/test/core/bad_client/tests/badreq.c
index 6d59d25b922363c8867bc6ba5e38708556853a8e..b17e3b35ee40c9240b6e3820e4498c2a4777108f 100644
--- a/test/core/bad_client/tests/badreq.c
+++ b/test/core/bad_client/tests/badreq.c
@@ -35,8 +35,8 @@
 
 #include <string.h>
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                      \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" \
@@ -45,9 +45,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/connection_prefix.c b/test/core/bad_client/tests/connection_prefix.c
index 66ff8c29367adb456b6661724e3e587cd8d4233d..9a30aad0e9315ceb4a12b6b903198f6306e771c8 100644
--- a/test/core/bad_client/tests/connection_prefix.c
+++ b/test/core/bad_client/tests/connection_prefix.c
@@ -31,15 +31,15 @@
  *
  */
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/bad_client/bad_client.h"
-#include "src/core/surface/server.h"
 
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/head_of_line_blocking.c b/test/core/bad_client/tests/head_of_line_blocking.c
new file mode 100644
index 0000000000000000000000000000000000000000..53cd4537b2ffdb8e76a1f38034d4a9aa2d3d63e1
--- /dev/null
+++ b/test/core/bad_client/tests/head_of_line_blocking.c
@@ -0,0 +1,151 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/bad_client/bad_client.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/lib/surface/server.h"
+#include "test/core/end2end/cq_verifier.h"
+
+static const char prefix[] =
+    "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
+    // settings frame
+    "\x00\x00\x00\x04\x00\x00\x00\x00\x00"
+    // stream 1 headers: generated from server_registered_method.headers in this
+    // directory
+    "\x00\x00\xd0\x01\x04\x00\x00\x00\x01"
+    "\x10\x05:path\x0f/registered/bar"
+    "\x10\x07:scheme\x04http"
+    "\x10\x07:method\x04POST"
+    "\x10\x0a:authority\x09localhost"
+    "\x10\x0c"
+    "content-type\x10"
+    "application/grpc"
+    "\x10\x14grpc-accept-encoding\x15identity,deflate,gzip"
+    "\x10\x02te\x08trailers"
+    "\x10\x0auser-agent\"bad-client grpc-c/0.12.0.0 (linux)"
+    // data frame for stream 1: advertise a 10000 byte payload (that we won't
+    // fulfill)
+    "\x00\x00\x05\x00\x00\x00\x00\x00\x01"
+    "\x01\x00\x00\x27\x10"
+    // stream 3 headers: generated from server_registered_method.headers in this
+    // directory
+    "\x00\x00\xd0\x01\x04\x00\x00\x00\x03"
+    "\x10\x05:path\x0f/registered/bar"
+    "\x10\x07:scheme\x04http"
+    "\x10\x07:method\x04POST"
+    "\x10\x0a:authority\x09localhost"
+    "\x10\x0c"
+    "content-type\x10"
+    "application/grpc"
+    "\x10\x14grpc-accept-encoding\x15identity,deflate,gzip"
+    "\x10\x02te\x08trailers"
+    "\x10\x0auser-agent\"bad-client grpc-c/0.12.0.0 (linux)"
+    // data frame for stream 3: advertise a 10000 byte payload (that we will
+    // fulfill)
+    "\x00\x00\x05\x00\x00\x00\x00\x00\x03"
+    "\x01\x00\x00\x27\x10"
+    "";
+
+static void *tag(intptr_t t) { return (void *)t; }
+
+static void verifier(grpc_server *server, grpc_completion_queue *cq,
+                     void *registered_method) {
+  grpc_call_error error;
+  grpc_call *s;
+  cq_verifier *cqv = cq_verifier_create(cq);
+  grpc_metadata_array request_metadata_recv;
+  gpr_timespec deadline;
+  grpc_byte_buffer *payload = NULL;
+
+  grpc_metadata_array_init(&request_metadata_recv);
+
+  error = grpc_server_request_registered_call(server, registered_method, &s,
+                                              &deadline, &request_metadata_recv,
+                                              &payload, cq, cq, tag(101));
+  GPR_ASSERT(GRPC_CALL_OK == error);
+  cq_expect_completion(cqv, tag(101), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(payload != NULL);
+
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_destroy(s);
+  grpc_byte_buffer_destroy(payload);
+  cq_verifier_destroy(cqv);
+}
+
+char *g_buffer;
+size_t g_cap = 0;
+size_t g_count = 0;
+
+static void addbuf(const void *data, size_t len) {
+  if (g_count + len > g_cap) {
+    g_cap = GPR_MAX(g_count + len, g_cap * 2);
+    g_buffer = gpr_realloc(g_buffer, g_cap);
+  }
+  memcpy(g_buffer + g_count, data, len);
+  g_count += len;
+}
+
+int main(int argc, char **argv) {
+  int i;
+  grpc_test_init(argc, argv);
+
+#define NUM_FRAMES 10
+#define FRAME_SIZE 1000
+
+  addbuf(prefix, sizeof(prefix) - 1);
+  for (i = 0; i < NUM_FRAMES; i++) {
+    uint8_t hdr[9] = {(uint8_t)(FRAME_SIZE >> 16),
+                      (uint8_t)(FRAME_SIZE >> 8),
+                      (uint8_t)FRAME_SIZE,
+                      0,
+                      0,
+                      0,
+                      0,
+                      0,
+                      3};
+    uint8_t msg[FRAME_SIZE];
+    memset(msg, 'a', sizeof(msg));
+    addbuf(hdr, sizeof(hdr));
+    addbuf(msg, FRAME_SIZE);
+  }
+  grpc_run_bad_client_test(verifier, g_buffer, g_count, 0);
+  gpr_free(g_buffer);
+
+  return 0;
+}
diff --git a/test/core/bad_client/tests/headers.c b/test/core/bad_client/tests/headers.c
index 2186a4ffcb238d08b907975e29e1db0c58900e31..4c1a76743e302a72d4b371a03e3d464c28e56f83 100644
--- a/test/core/bad_client/tests/headers.c
+++ b/test/core/bad_client/tests/headers.c
@@ -31,8 +31,8 @@
  *
  */
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/bad_client/bad_client.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                      \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" \
@@ -41,9 +41,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/initial_settings_frame.c b/test/core/bad_client/tests/initial_settings_frame.c
index fb6149cc3ba762b4955128185d8fca9e017b6f7c..63a770df91f28641259d68fbc8dafbbfadc554d2 100644
--- a/test/core/bad_client/tests/initial_settings_frame.c
+++ b/test/core/bad_client/tests/initial_settings_frame.c
@@ -31,8 +31,8 @@
  *
  */
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/bad_client/bad_client.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
 #define ONE_SETTING_HDR "\x00\x00\x06\x04\x00\x00\x00\x00\x00"
@@ -40,9 +40,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/server_registered_method.c b/test/core/bad_client/tests/server_registered_method.c
index dc6ecc51f0fa81d0c7dcf976bc24edf3388d4bf7..60d3b890b224a503d5085d4e8bf8e400c445912b 100644
--- a/test/core/bad_client/tests/server_registered_method.c
+++ b/test/core/bad_client/tests/server_registered_method.c
@@ -35,8 +35,8 @@
 
 #include <string.h>
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                                               \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"                          \
diff --git a/test/core/bad_client/tests/simple_request.c b/test/core/bad_client/tests/simple_request.c
index c04319edc595ac4b903de6db6ffa948f40b83d19..ac0fdde876fd245432b08df1b831466853dcd675 100644
--- a/test/core/bad_client/tests/simple_request.c
+++ b/test/core/bad_client/tests/simple_request.c
@@ -35,8 +35,8 @@
 
 #include <string.h>
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                                                            \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"                                       \
@@ -108,9 +108,9 @@ static void verifier(grpc_server *server, grpc_completion_queue *cq,
 static void failure_verifier(grpc_server *server, grpc_completion_queue *cq,
                              void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/unknown_frame.c b/test/core/bad_client/tests/unknown_frame.c
index 2ef340eeb5cd0567f114589107c28fa875b47423..f3870a181385fabf98ab2d8df452b97428ed7095 100644
--- a/test/core/bad_client/tests/unknown_frame.c
+++ b/test/core/bad_client/tests/unknown_frame.c
@@ -31,8 +31,8 @@
  *
  */
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/bad_client/bad_client.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                      \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" \
@@ -41,9 +41,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/window_overflow.c b/test/core/bad_client/tests/window_overflow.c
index 646d5c5f4c8c825cd1bca1342b88b0ce70835239..16f11e7dd0ab0e91ce75090b27f9b496e92461ca 100644
--- a/test/core/bad_client/tests/window_overflow.c
+++ b/test/core/bad_client/tests/window_overflow.c
@@ -37,7 +37,7 @@
 
 #include <grpc/support/alloc.h>
 
-#include "src/core/surface/server.h"
+#include "src/core/lib/surface/server.h"
 
 #define PFX_STR                                                            \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"                                       \
@@ -60,9 +60,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
@@ -90,8 +90,15 @@ int main(int argc, char **argv) {
 
   addbuf(PFX_STR, sizeof(PFX_STR) - 1);
   for (i = 0; i < NUM_FRAMES; i++) {
-    uint8_t hdr[9] = {(uint8_t)(FRAME_SIZE >> 16), (uint8_t)(FRAME_SIZE >> 8),
-                      (uint8_t)FRAME_SIZE, 0, 0, 0, 0, 0, 1};
+    uint8_t hdr[9] = {(uint8_t)(FRAME_SIZE >> 16),
+                      (uint8_t)(FRAME_SIZE >> 8),
+                      (uint8_t)FRAME_SIZE,
+                      0,
+                      0,
+                      0,
+                      0,
+                      0,
+                      1};
     addbuf(hdr, sizeof(hdr));
     for (j = 0; j < MESSAGES_PER_FRAME; j++) {
       uint8_t message[5] = {0, 0, 0, 0, 0};
diff --git a/test/core/bad_ssl/bad_ssl_test.c b/test/core/bad_ssl/bad_ssl_test.c
index a78a0798aead7432faa01e753251bf91ae3c8e0f..c4ae212ec29c7e5181d968be40bc7b4d4d73b079 100644
--- a/test/core/bad_ssl/bad_ssl_test.c
+++ b/test/core/bad_ssl/bad_ssl_test.c
@@ -31,8 +31,8 @@
  *
  */
 
-#include <string.h>
 #include <stdio.h>
+#include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
@@ -41,9 +41,10 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/subprocess.h>
-#include "src/core/support/string.h"
-#include "test/core/util/port.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
+#include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
 static void *tag(intptr_t t) { return (void *)t; }
@@ -86,7 +87,7 @@ static void run_test(const char *target, size_t nops) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
-  op->flags = 0;
+  op->flags = GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY;
   op->reserved = NULL;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
@@ -144,6 +145,9 @@ int main(int argc, char **argv) {
   } else {
     strcpy(root, ".");
   }
+  if (argc == 2) {
+    gpr_setenv("GRPC_DEFAULT_SSL_ROOTS_FILE_PATH", argv[1]);
+  }
   /* figure out our test name */
   tmp = lunder - 1;
   while (*tmp != '_') tmp--;
diff --git a/test/core/bad_ssl/gen_build_yaml.py b/test/core/bad_ssl/gen_build_yaml.py
index e2a3febe5d9e801564c54f3436c660d1658087e5..69f921989cded9a421e0e5ed95adc9006936e2dc 100755
--- a/test/core/bad_ssl/gen_build_yaml.py
+++ b/test/core/bad_ssl/gen_build_yaml.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/test/core/bad_ssl/server_common.c b/test/core/bad_ssl/server_common.c
index cde844a55296b5de724a9d4a115443dbfc7a31e9..14b1892c2e9fc0ef293a9c60c47535a0e72c7426 100644
--- a/test/core/bad_ssl/server_common.c
+++ b/test/core/bad_ssl/server_common.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/bad_ssl/server_common.h b/test/core/bad_ssl/server_common.h
index 2566c2590594db86f5aaf875268f7b775c475115..8ec775550307ba90702d40bf4256322c969201d1 100644
--- a/test/core/bad_ssl/server_common.h
+++ b/test/core/bad_ssl/server_common.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/bad_ssl/servers/alpn.c b/test/core/bad_ssl/servers/alpn.c
index c8cc83b134e47acc688290056d896cdd9b8017cf..007fa252c94f7b96c9da14a2734346f1bdc44821 100644
--- a/test/core/bad_ssl/servers/alpn.c
+++ b/test/core/bad_ssl/servers/alpn.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,7 +38,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/transport/chttp2/alpn.h"
+#include "src/core/ext/transport/chttp2/alpn/alpn.h"
 #include "test/core/bad_ssl/server_common.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 
diff --git a/test/core/bad_ssl/servers/cert.c b/test/core/bad_ssl/servers/cert.c
index 4edef50b67a90bbc67d23a43c78f55081c4eb168..bd11efd31478e5bc91c654ea87707593ba79850d 100644
--- a/test/core/bad_ssl/servers/cert.c
+++ b/test/core/bad_ssl/servers/cert.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,7 +38,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/support/load_file.h"
+#include "src/core/lib/support/load_file.h"
 
 #include "test/core/bad_ssl/server_common.h"
 #include "test/core/end2end/data/ssl_test_data.h"
@@ -56,9 +56,11 @@ int main(int argc, char **argv) {
 
   grpc_init();
 
-  cert_slice = gpr_load_file("src/core/tsi/test_creds/badserver.pem", 1, &ok);
+  cert_slice =
+      gpr_load_file("src/core/lib/tsi/test_creds/badserver.pem", 1, &ok);
   GPR_ASSERT(ok);
-  key_slice = gpr_load_file("src/core/tsi/test_creds/badserver.key", 1, &ok);
+  key_slice =
+      gpr_load_file("src/core/lib/tsi/test_creds/badserver.key", 1, &ok);
   GPR_ASSERT(ok);
   pem_key_cert_pair.private_key = (const char *)GPR_SLICE_START_PTR(key_slice);
   pem_key_cert_pair.cert_chain = (const char *)GPR_SLICE_START_PTR(cert_slice);
diff --git a/test/core/census/context_test.c b/test/core/census/context_test.c
index ad4c337465cdfbe8973daee89dfbc8efda8face5..e7a65380fb8cfe6072198eb665098fd0deb3625d 100644
--- a/test/core/census/context_test.c
+++ b/test/core/census/context_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/census/mlog_test.c b/test/core/census/mlog_test.c
index 000ac7335ad4ddb18986bf177b4fcca25b169553..36e8a492fd5a8361541f7ee1edcc24f491d1db5c 100644
--- a/test/core/census/mlog_test.c
+++ b/test/core/census/mlog_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/census/mlog.h"
+#include "src/core/ext/census/mlog.h"
 #include <grpc/support/cpu.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
diff --git a/test/core/channel/channel_args_test.c b/test/core/channel/channel_args_test.c
index 0b74dee41ea72191107a09e8de804ded733718d2..c7fc25960c095e14514cabf6fc7ee79722b102e7 100644
--- a/test/core/channel/channel_args_test.c
+++ b/test/core/channel/channel_args_test.c
@@ -36,7 +36,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/channel/channel_args.h"
+#include "src/core/lib/channel/channel_args.h"
 
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/channel/channel_stack_test.c b/test/core/channel/channel_stack_test.c
index e19e9a57aed91b65568f93345b6a845ffcc98b04..81e3927a00646866e9a3acbb0f4d35b922e8ca60 100644
--- a/test/core/channel/channel_stack_test.c
+++ b/test/core/channel/channel_stack_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 #include <string.h>
 
@@ -92,10 +92,17 @@ static void free_call(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
 }
 
 static void test_create_channel_stack(void) {
-  const grpc_channel_filter filter = {
-      call_func, channel_func, sizeof(int), call_init_func,
-      grpc_call_stack_ignore_set_pollset, call_destroy_func, sizeof(int),
-      channel_init_func, channel_destroy_func, get_peer, "some_test_filter"};
+  const grpc_channel_filter filter = {call_func,
+                                      channel_func,
+                                      sizeof(int),
+                                      call_init_func,
+                                      grpc_call_stack_ignore_set_pollset,
+                                      call_destroy_func,
+                                      sizeof(int),
+                                      channel_init_func,
+                                      channel_destroy_func,
+                                      get_peer,
+                                      "some_test_filter"};
   const grpc_channel_filter *filters = &filter;
   grpc_channel_stack *channel_stack;
   grpc_call_stack *call_stack;
diff --git a/test/core/client_config/lb_policies_test.c b/test/core/client_config/lb_policies_test.c
index cb99b3da3e767efdf72d63278e11e1fcbd0eabcd..e766672cf5d110a45b7d98160a41eb2edba6aa9f 100644
--- a/test/core/client_config/lb_policies_test.c
+++ b/test/core/client_config/lb_policies_test.c
@@ -41,17 +41,18 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/client_config/lb_policies/round_robin.h"
-#include "src/core/client_config/lb_policy_registry.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/cq_verifier.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
+#define RETRY_TIMEOUT 300
+
 typedef struct servers_fixture {
   size_t num_servers;
   grpc_server **servers;
@@ -137,8 +138,9 @@ static void kill_server(const servers_fixture *f, size_t i) {
   gpr_log(GPR_INFO, "KILLING SERVER %d", i);
   GPR_ASSERT(f->servers[i] != NULL);
   grpc_server_shutdown_and_notify(f->servers[i], f->cq, tag(10000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(10000), n_millis_time(5000),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(
+      grpc_completion_queue_pluck(f->cq, tag(10000), n_millis_time(5000), NULL)
+          .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->servers[i]);
   f->servers[i] = NULL;
 }
@@ -204,8 +206,8 @@ static void teardown_servers(servers_fixture *f) {
     if (f->servers[i] == NULL) continue;
     grpc_server_shutdown_and_notify(f->servers[i], f->cq, tag(10000));
     GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(10000),
-                                           n_millis_time(5000),
-                                           NULL).type == GRPC_OP_COMPLETE);
+                                           n_millis_time(5000), NULL)
+                   .type == GRPC_OP_COMPLETE);
     grpc_server_destroy(f->servers[i]);
   }
   grpc_completion_queue_shutdown(f->cq);
@@ -302,9 +304,10 @@ static int *perform_request(servers_fixture *f, grpc_channel *client,
                grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL));
 
     s_idx = -1;
-    while ((ev = grpc_completion_queue_next(
-                f->cq, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1), NULL)).type !=
-           GRPC_QUEUE_TIMEOUT) {
+    while (
+        (ev = grpc_completion_queue_next(
+             f->cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10 * RETRY_TIMEOUT), NULL))
+            .type != GRPC_QUEUE_TIMEOUT) {
       GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
       read_tag = ((int)(intptr_t)ev.tag);
       gpr_log(GPR_DEBUG, "EVENT: success:%d, type:%d, tag:%d iter:%d",
@@ -376,9 +379,10 @@ static int *perform_request(servers_fixture *f, grpc_channel *client,
       }
     }
 
-    GPR_ASSERT(grpc_completion_queue_next(f->cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(200),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(
+        grpc_completion_queue_next(
+            f->cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(2 * RETRY_TIMEOUT), NULL)
+            .type == GRPC_QUEUE_TIMEOUT);
 
     grpc_metadata_array_destroy(&rdata->initial_metadata_recv);
     grpc_metadata_array_destroy(&rdata->trailing_metadata_recv);
@@ -506,7 +510,7 @@ void run_spec(const test_spec *spec) {
 
   arg.type = GRPC_ARG_INTEGER;
   arg.key = "grpc.testing.fixed_reconnect_backoff";
-  arg.value.integer = 100;
+  arg.value.integer = RETRY_TIMEOUT;
   args.num_args = 1;
   args.args = &arg;
 
@@ -542,7 +546,7 @@ static grpc_channel *create_client(const servers_fixture *f) {
 
   arg.type = GRPC_ARG_INTEGER;
   arg.key = "grpc.testing.fixed_reconnect_backoff";
-  arg.value.integer = 100;
+  arg.value.integer = RETRY_TIMEOUT;
   args.num_args = 1;
   args.args = &arg;
 
@@ -868,6 +872,7 @@ static void verify_rebirth_round_robin(const servers_fixture *f,
 }
 
 int main(int argc, char **argv) {
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   test_spec *spec;
   size_t i;
   const size_t NUM_ITERS = 10;
@@ -875,11 +880,11 @@ int main(int argc, char **argv) {
 
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_lb_round_robin_trace = 1;
+  grpc_tracer_set_enabled("round_robin", 1);
 
-  GPR_ASSERT(grpc_lb_policy_create("this-lb-policy-does-not-exist", NULL) ==
-             NULL);
-  GPR_ASSERT(grpc_lb_policy_create(NULL, NULL) == NULL);
+  GPR_ASSERT(grpc_lb_policy_create(&exec_ctx, "this-lb-policy-does-not-exist",
+                                   NULL) == NULL);
+  GPR_ASSERT(grpc_lb_policy_create(&exec_ctx, NULL, NULL) == NULL);
 
   spec = test_spec_create(NUM_ITERS, NUM_SERVERS);
   /* everything is fine, all servers stay up the whole time and life's peachy */
@@ -931,6 +936,7 @@ int main(int argc, char **argv) {
   test_pending_calls(4);
   test_ping();
 
+  grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
   return 0;
 }
diff --git a/test/core/client_config/resolvers/dns_resolver_connectivity_test.c b/test/core/client_config/resolvers/dns_resolver_connectivity_test.c
index 75d1eb674f6a4dfb670e33a1a9503fa8b80ebc41..2322aa688a40d026e22e0c6510617c66d373b426 100644
--- a/test/core/client_config/resolvers/dns_resolver_connectivity_test.c
+++ b/test/core/client_config/resolvers/dns_resolver_connectivity_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,31 +31,38 @@
  *
  */
 
-#include "src/core/client_config/resolvers/dns_resolver.h"
-
 #include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/timer.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/timer.h"
 #include "test/core/util/test_config.h"
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scv) {}
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scv) {}
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
+static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
+static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *scv) {}
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
     grpc_subchannel_args *args) {
   return NULL;
 }
 
-static const grpc_subchannel_factory_vtable sc_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  GPR_UNREACHABLE_CODE(return NULL);
+}
+
+static const grpc_client_channel_factory_vtable sc_vtable = {
+    client_channel_factory_ref, client_channel_factory_unref,
+    client_channel_factory_create_subchannel,
+    client_channel_factory_create_channel};
 
-static grpc_subchannel_factory sc_factory = {&sc_vtable};
+static grpc_client_channel_factory cc_factory = {&sc_vtable};
 
 static gpr_mu g_mu;
 static bool g_fail_resolution = true;
@@ -79,13 +86,13 @@ static grpc_resolved_addresses *my_resolve_address(const char *name,
 }
 
 static grpc_resolver *create_resolver(const char *name) {
-  grpc_resolver_factory *factory = grpc_dns_resolver_factory_create();
+  grpc_resolver_factory *factory = grpc_resolver_factory_lookup("dns");
   grpc_uri *uri = grpc_uri_parse(name, 0);
   GPR_ASSERT(uri);
   grpc_resolver_args args;
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.subchannel_factory = &sc_factory;
+  args.client_channel_factory = &cc_factory;
   grpc_resolver *resolver =
       grpc_resolver_factory_create_resolver(factory, &args);
   grpc_resolver_factory_unref(factory);
diff --git a/test/core/client_config/resolvers/dns_resolver_test.c b/test/core/client_config/resolvers/dns_resolver_test.c
index 38e76d534240868c0b33e79dcc4104107b47524f..21dc99cadd8f7274f8f693fbaf5e158ce189ce46 100644
--- a/test/core/client_config/resolvers/dns_resolver_test.c
+++ b/test/core/client_config/resolvers/dns_resolver_test.c
@@ -31,29 +31,35 @@
  *
  */
 
-#include "src/core/client_config/resolvers/dns_resolver.h"
-
 #include <string.h>
 
 #include <grpc/support/log.h>
 
-#include "src/core/client_config/resolver.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scv) {}
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scv) {}
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
+static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
+static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *scv) {}
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
     grpc_subchannel_args *args) {
   GPR_UNREACHABLE_CODE(return NULL);
 }
 
-static const grpc_subchannel_factory_vtable sc_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  GPR_UNREACHABLE_CODE(return NULL);
+}
+
+static const grpc_client_channel_factory_vtable sc_vtable = {
+    client_channel_factory_ref, client_channel_factory_unref,
+    client_channel_factory_create_subchannel,
+    client_channel_factory_create_channel};
 
-static grpc_subchannel_factory sc_factory = {&sc_vtable};
+static grpc_client_channel_factory cc_factory = {&sc_vtable};
 
 static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -65,7 +71,7 @@ static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   GPR_ASSERT(uri);
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.subchannel_factory = &sc_factory;
+  args.client_channel_factory = &cc_factory;
   resolver = grpc_resolver_factory_create_resolver(factory, &args);
   GPR_ASSERT(resolver != NULL);
   GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_succeeds");
@@ -92,8 +98,9 @@ static void test_fails(grpc_resolver_factory *factory, const char *string) {
 int main(int argc, char **argv) {
   grpc_resolver_factory *dns;
   grpc_test_init(argc, argv);
+  grpc_init();
 
-  dns = grpc_dns_resolver_factory_create();
+  dns = grpc_resolver_factory_lookup("dns");
 
   test_succeeds(dns, "dns:10.2.1.1");
   test_succeeds(dns, "dns:10.2.1.1:1234");
@@ -101,6 +108,7 @@ int main(int argc, char **argv) {
   test_fails(dns, "ipv4://8.8.8.8/8.8.8.8:8888");
 
   grpc_resolver_factory_unref(dns);
+  grpc_shutdown();
 
   return 0;
 }
diff --git a/test/core/client_config/resolvers/sockaddr_resolver_test.c b/test/core/client_config/resolvers/sockaddr_resolver_test.c
index 8856c85449a7238cc35a164b0e9fc3ebffcba825..b11546b6b1cb18d6eaf8d3cb262e48ac88ee48c5 100644
--- a/test/core/client_config/resolvers/sockaddr_resolver_test.c
+++ b/test/core/client_config/resolvers/sockaddr_resolver_test.c
@@ -31,29 +31,35 @@
  *
  */
 
-#include "src/core/client_config/resolvers/sockaddr_resolver.h"
-
 #include <string.h>
 
 #include <grpc/support/log.h>
 
-#include "src/core/client_config/resolver.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scv) {}
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scv) {}
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
+static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
+static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *scv) {}
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
     grpc_subchannel_args *args) {
   GPR_UNREACHABLE_CODE(return NULL);
 }
 
-static const grpc_subchannel_factory_vtable sc_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  GPR_UNREACHABLE_CODE(return NULL);
+}
+
+static const grpc_client_channel_factory_vtable sc_vtable = {
+    client_channel_factory_ref, client_channel_factory_unref,
+    client_channel_factory_create_subchannel,
+    client_channel_factory_create_channel};
 
-static grpc_subchannel_factory sc_factory = {&sc_vtable};
+static grpc_client_channel_factory cc_factory = {&sc_vtable};
 
 static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -65,7 +71,7 @@ static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   GPR_ASSERT(uri);
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.subchannel_factory = &sc_factory;
+  args.client_channel_factory = &cc_factory;
   resolver = grpc_resolver_factory_create_resolver(factory, &args);
   GPR_ASSERT(resolver != NULL);
   GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_succeeds");
@@ -92,12 +98,14 @@ static void test_fails(grpc_resolver_factory *factory, const char *string) {
 int main(int argc, char **argv) {
   grpc_resolver_factory *ipv4, *ipv6;
   grpc_test_init(argc, argv);
+  grpc_init();
 
-  ipv4 = grpc_ipv4_resolver_factory_create();
-  ipv6 = grpc_ipv6_resolver_factory_create();
+  ipv4 = grpc_resolver_factory_lookup("ipv4");
+  ipv6 = grpc_resolver_factory_lookup("ipv6");
 
   test_fails(ipv4, "ipv4:10.2.1.1");
   test_succeeds(ipv4, "ipv4:10.2.1.1:1234");
+  test_succeeds(ipv4, "ipv4:10.2.1.1:1234,127.0.0.1:4321");
   test_fails(ipv4, "ipv4:10.2.1.1:123456");
   test_fails(ipv4, "ipv4:www.google.com");
   test_fails(ipv4, "ipv4:[");
@@ -111,6 +119,7 @@ int main(int argc, char **argv) {
 
   grpc_resolver_factory_unref(ipv4);
   grpc_resolver_factory_unref(ipv6);
+  grpc_shutdown();
 
   return 0;
 }
diff --git a/test/core/client_config/set_initial_connect_string_test.c b/test/core/client_config/set_initial_connect_string_test.c
index 3cf267fb3bd4774631dc40182e51f87f340414d7..83058d9b2c33d31845bc4d974657934f0c088568 100644
--- a/test/core/client_config/set_initial_connect_string_test.c
+++ b/test/core/client_config/set_initial_connect_string_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,10 +38,10 @@
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
 
-#include "src/core/client_config/initial_connect_string.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/string.h"
+#include "src/core/ext/client_config/initial_connect_string.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 #include "test/core/util/test_tcp_server.h"
diff --git a/test/core/client_config/uri_corpus/02d156dc5e6f2c11c90c2e06fcee04adf036a342 b/test/core/client_config/uri_corpus/02d156dc5e6f2c11c90c2e06fcee04adf036a342
new file mode 100644
index 0000000000000000000000000000000000000000..a85e7a8c21748ccc4786c0b7cabb52fda1c9ac0e
--- /dev/null
+++ b/test/core/client_config/uri_corpus/02d156dc5e6f2c11c90c2e06fcee04adf036a342
@@ -0,0 +1,2 @@
+::nix::ii///ii/\a�?=n;iI_!';&b.cii??nn!%i!*%
+*;
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342 b/test/core/client_config/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342
new file mode 100644
index 0000000000000000000000000000000000000000..597a6db294cb721d184d6f12560dfa9e8a67de33
--- /dev/null
+++ b/test/core/client_config/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342
@@ -0,0 +1 @@
+i
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11 b/test/core/client_config/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11
new file mode 100644
index 0000000000000000000000000000000000000000..d56b8fc6c88288cd106c83af293011fd9dfe477f
--- /dev/null
+++ b/test/core/client_config/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11
@@ -0,0 +1 @@
+:iii�?+n!ij
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/1155aa6ea7ef262a81a63692513ea395f84dad6f b/test/core/client_config/uri_corpus/1155aa6ea7ef262a81a63692513ea395f84dad6f
new file mode 100644
index 0000000000000000000000000000000000000000..5b913f1bb87fda4d651189a73e1de15fded06723
--- /dev/null
+++ b/test/core/client_config/uri_corpus/1155aa6ea7ef262a81a63692513ea395f84dad6f
@@ -0,0 +1,2 @@
+:ipip~6:�i:::1
+v:miP/ii:::/iu?n?n)i!=
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/13856a5569ffd085a4d5c07af5f8e9310835a118 b/test/core/client_config/uri_corpus/13856a5569ffd085a4d5c07af5f8e9310835a118
new file mode 100644
index 0000000000000000000000000000000000000000..76f157cda5a561f728a7c7c0b64ee198eb19ef56
--- /dev/null
+++ b/test/core/client_config/uri_corpus/13856a5569ffd085a4d5c07af5f8e9310835a118
@@ -0,0 +1 @@
+i:i:�ii:i?nip~??ni=niI&6.u/n_!'p~
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc b/test/core/client_config/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc
new file mode 100644
index 0000000000000000000000000000000000000000..3936e8964c581800044cff1183b3aae12457b065
--- /dev/null
+++ b/test/core/client_config/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc
@@ -0,0 +1 @@
+:�i?=niI_!';�
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f b/test/core/client_config/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f
new file mode 100644
index 0000000000000000000000000000000000000000..a94c4cf58dd887872251fc24d4e7f0d7d7d6d7bd
--- /dev/null
+++ b/test/core/client_config/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f
@@ -0,0 +1,2 @@
+~ipip~6::1
+v:�:1
diff --git a/test/core/client_config/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80 b/test/core/client_config/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80
new file mode 100644
index 0000000000000000000000000000000000000000..875ac2a4f91a928ca84fc5b80edcdb0d055e3dd5
--- /dev/null
+++ b/test/core/client_config/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80
@@ -0,0 +1 @@
+:il0P/8?n!$i:
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971 b/test/core/client_config/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971
new file mode 100644
index 0000000000000000000000000000000000000000..59469af52855fe52e94ac4fa13cb16c4d5eb5f0c
--- /dev/null
+++ b/test/core/client_config/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971
@@ -0,0 +1,3 @@
+iiP*v:::pip~6:::0
+v:::11
+
diff --git a/test/core/client_config/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc b/test/core/client_config/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc
new file mode 100644
index 0000000000000000000000000000000000000000..2f902351bd8557aa5a21b99c638a35d817729e23
--- /dev/null
+++ b/test/core/client_config/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc
@@ -0,0 +1 @@
+:ii/i?n!%i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1 b/test/core/client_config/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1
new file mode 100644
index 0000000000000000000000000000000000000000..4bdc3f60c02ded6bd3c69089bda88469a40debd3
--- /dev/null
+++ b/test/core/client_config/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1
@@ -0,0 +1 @@
+uni::.i?n(!ipR6/
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf b/test/core/client_config/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf
new file mode 100644
index 0000000000000000000000000000000000000000..fb7665d0ccb864e0c685b07ae3307aa2dd50478a
--- /dev/null
+++ b/test/core/client_config/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf
@@ -0,0 +1,2 @@
+:/i?n!ipv6:./::abc.*
+
diff --git a/test/core/client_config/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce b/test/core/client_config/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce
new file mode 100644
index 0000000000000000000000000000000000000000..6c1e22fa32ac1386dfcb6ca7a50618cd6c8df442
--- /dev/null
+++ b/test/core/client_config/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce
@@ -0,0 +1 @@
+unix://ii:#v6i?n!
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/396568fc41c8ccb31ec925b4a862e4d29ead1327 b/test/core/client_config/uri_corpus/396568fc41c8ccb31ec925b4a862e4d29ead1327
new file mode 100644
index 0000000000000000000000000000000000000000..694d51dc9a0096a34a53058ca80915dcb5f15202
--- /dev/null
+++ b/test/core/client_config/uri_corpus/396568fc41c8ccb31ec925b4a862e4d29ead1327
@@ -0,0 +1 @@
+uni:/i:i:�i:i:�i??ni=niIi??ni=niI__!!i?n!i'p'pR2p~~
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/3b1e7526a99918006b87e499d2beb6c4ac9c3c0c b/test/core/client_config/uri_corpus/3b1e7526a99918006b87e499d2beb6c4ac9c3c0c
new file mode 100644
index 0000000000000000000000000000000000000000..af80f07d192cdd360f78cd308de87f70a2b0066d
--- /dev/null
+++ b/test/core/client_config/uri_corpus/3b1e7526a99918006b87e499d2beb6c4ac9c3c0c
@@ -0,0 +1 @@
+i:i:�i??ni=niI_!'p~
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc b/test/core/client_config/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc
new file mode 100644
index 0000000000000000000000000000000000000000..725b2086c5b7aba51c0d623a867092686ad12706
--- /dev/null
+++ b/test/core/client_config/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc
@@ -0,0 +1,4 @@
+i:i?nip~&2./:::abipip~6c.*
+
+::1
+v:�:1
diff --git a/test/core/client_config/uri_corpus/41963cc10752f70c3af7e3d85868efb097a0ea9c b/test/core/client_config/uri_corpus/41963cc10752f70c3af7e3d85868efb097a0ea9c
new file mode 100644
index 0000000000000000000000000000000000000000..7f0f2ea6eac71dd813ec048152d07ef41bdf2f76
--- /dev/null
+++ b/test/core/client_config/uri_corpus/41963cc10752f70c3af7e3d85868efb097a0ea9c
@@ -0,0 +1 @@
+:�i?=niI_!';;
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1 b/test/core/client_config/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1
new file mode 100644
index 0000000000000000000000000000000000000000..23d52e19a8ad7b062211390e7f0b271978443b7b
--- /dev/null
+++ b/test/core/client_config/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1
@@ -0,0 +1 @@
+:iiP/i?n!'i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/56a2da4b2e6fb795243901023ed8d0aa083d1aab b/test/core/client_config/uri_corpus/56a2da4b2e6fb795243901023ed8d0aa083d1aab
new file mode 100644
index 0000000000000000000000000000000000000000..f975f9705966305cda651334d0451c9da9126bef
--- /dev/null
+++ b/test/core/client_config/uri_corpus/56a2da4b2e6fb795243901023ed8d0aa083d1aab
@@ -0,0 +1 @@
+i:i?nip~&6.u/n
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/574c2f13858a9a6d724654bd913ede9ae3abf822 b/test/core/client_config/uri_corpus/574c2f13858a9a6d724654bd913ede9ae3abf822
new file mode 100644
index 0000000000000000000000000000000000000000..d5fb7ba2746e5abf96a0956b53e001c475929267
--- /dev/null
+++ b/test/core/client_config/uri_corpus/574c2f13858a9a6d724654bd913ede9ae3abf822
@@ -0,0 +1,2 @@
+:unix://ii//a.b.ci?n!%
+*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/582f789c19033a152094cbf8565f14154a778ddb b/test/core/client_config/uri_corpus/582f789c19033a152094cbf8565f14154a778ddb
new file mode 100644
index 0000000000000000000000000000000000000000..1860e1c5b49dbe93f15133e01d5e3d7ec7603acd
--- /dev/null
+++ b/test/core/client_config/uri_corpus/582f789c19033a152094cbf8565f14154a778ddb
@@ -0,0 +1 @@
+:�i?P=niIii-i?%n'!%*i=
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8 b/test/core/client_config/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8
new file mode 100644
index 0000000000000000000000000000000000000000..1dc4931ac6eb20100ae06eadafebb75b1d026ea8
--- /dev/null
+++ b/test/core/client_config/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8
@@ -0,0 +1,4 @@
+:i?n!ip~f2:./::abipip~6c.*
+
+::1
+v:�:1
diff --git a/test/core/client_config/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a b/test/core/client_config/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a
new file mode 100644
index 0000000000000000000000000000000000000000..7b9532914e64e63b7051ea981906a2e512359e5d
--- /dev/null
+++ b/test/core/client_config/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a
@@ -0,0 +1 @@
+:�i?=niI!';�
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb b/test/core/client_config/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb
new file mode 100644
index 0000000000000000000000000000000000000000..4eaca39265657ab309dcd4c16699dd2d1831937a
--- /dev/null
+++ b/test/core/client_config/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb
@@ -0,0 +1 @@
+unix://ii:pv6i?n!
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/6ae3acd9d8507b61bf235748026080a4138dba58 b/test/core/client_config/uri_corpus/6ae3acd9d8507b61bf235748026080a4138dba58
new file mode 100644
index 0000000000000000000000000000000000000000..fe908d213a8c2c68f93338983350bbc6d1a302b9
--- /dev/null
+++ b/test/core/client_config/uri_corpus/6ae3acd9d8507b61bf235748026080a4138dba58
@@ -0,0 +1 @@
+uni::.ilP:%:%i:i�i:�i?=nii?n(!ipRI_&/.i;;!?=ii/?n#lniiI_!*Kii!/?ni*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6 b/test/core/client_config/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6
new file mode 100644
index 0000000000000000000000000000000000000000..57cbd72dbcdd33d646666fa3be0970cf88fb34a0
--- /dev/null
+++ b/test/core/client_config/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6
@@ -0,0 +1 @@
+uni::/i?n!ipR6/
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1 b/test/core/client_config/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1
new file mode 100644
index 0000000000000000000000000000000000000000..e13cf5a8e633a5e5f893d0b1f347eb3c210576fe
--- /dev/null
+++ b/test/core/client_config/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1
@@ -0,0 +1,2 @@
+ipip~6:::1
+v:::1
diff --git a/test/core/client_config/uri_corpus/7ff4d8b8d1ffd0d42c48bbb91e5856a9ec31aecb b/test/core/client_config/uri_corpus/7ff4d8b8d1ffd0d42c48bbb91e5856a9ec31aecb
new file mode 100644
index 0000000000000000000000000000000000000000..0e7f44caf2695f9a7ad90bd1df84b0fb6c0fe72e
--- /dev/null
+++ b/test/core/client_config/uri_corpus/7ff4d8b8d1ffd0d42c48bbb91e5856a9ec31aecb
@@ -0,0 +1 @@
+i:i:�i:i:�i??ni=niIi??ni=niI__!!'p'p~~
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/87daa131e0973b77a232a870ed749ef29cf58e6d b/test/core/client_config/uri_corpus/87daa131e0973b77a232a870ed749ef29cf58e6d
new file mode 100644
index 0000000000000000000000000000000000000000..679f13e30715ead00ba12a3f9dbce85aca9cc01b
--- /dev/null
+++ b/test/core/client_config/uri_corpus/87daa131e0973b77a232a870ed749ef29cf58e6d
@@ -0,0 +1,2 @@
+unix:///a/:.:ii/i?nc!%
+i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266 b/test/core/client_config/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266
new file mode 100644
index 0000000000000000000000000000000000000000..58ecc7e2afaa1e6fe2b024848720d06be4a922be
--- /dev/null
+++ b/test/core/client_config/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266
@@ -0,0 +1 @@
+ip*v:::1
diff --git a/test/core/client_config/uri_corpus/8d7e944fd5d0ede94097fcc98b47b09a3f9c76cb b/test/core/client_config/uri_corpus/8d7e944fd5d0ede94097fcc98b47b09a3f9c76cb
new file mode 100644
index 0000000000000000000000000000000000000000..ffd807b39eacb2e00a805bca5dbe27b47f8de451
--- /dev/null
+++ b/test/core/client_config/uri_corpus/8d7e944fd5d0ede94097fcc98b47b09a3f9c76cb
@@ -0,0 +1 @@
+ilP:%i:�i?=niI_.i;;!ii/?nni*!
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/9671149af0b444f59bbdf71340d3441dadd8a7b4 b/test/core/client_config/uri_corpus/9671149af0b444f59bbdf71340d3441dadd8a7b4
new file mode 100644
index 0000000000000000000000000000000000000000..8ad79f9eb90954b9223b02f7cfe4d814b23adb0d
--- /dev/null
+++ b/test/core/client_config/uri_corpus/9671149af0b444f59bbdf71340d3441dadd8a7b4
@@ -0,0 +1 @@
+:�i?P-niI%'i=
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb b/test/core/client_config/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb
new file mode 100644
index 0000000000000000000000000000000000000000..efb392b7d998220db07358e815810d051da5e9ce
--- /dev/null
+++ b/test/core/client_config/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb
@@ -0,0 +1,2 @@
+:/i/n!ipv6:::/a.b.c1
+
diff --git a/test/core/client_config/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8 b/test/core/client_config/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8
new file mode 100644
index 0000000000000000000000000000000000000000..715522254701bb72cd8af31cf6431e5b3e5af5c9
--- /dev/null
+++ b/test/core/client_config/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8
@@ -0,0 +1 @@
+ilP.i;?n!#i!;
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b b/test/core/client_config/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b
new file mode 100644
index 0000000000000000000000000000000000000000..4061e02189e31b0f72aae61750d97e98cc640472
--- /dev/null
+++ b/test/core/client_config/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b
@@ -0,0 +1 @@
+unix::/i?n!ipv6/
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/a1140f3f8b5cffc1010221b9a4084a25fb75c1f6 b/test/core/client_config/uri_corpus/a1140f3f8b5cffc1010221b9a4084a25fb75c1f6
new file mode 100644
index 0000000000000000000000000000000000000000..facb11c5ed8ff1ff1ebb803310f814dc9b80a746
--- /dev/null
+++ b/test/core/client_config/uri_corpus/a1140f3f8b5cffc1010221b9a4084a25fb75c1f6
@@ -0,0 +1 @@
+:%i:�i?=niI_!ii/?ni*!
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de b/test/core/client_config/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de
new file mode 100644
index 0000000000000000000000000000000000000000..736e63e7e7e08b7713810ff29b29ed6d62609e44
--- /dev/null
+++ b/test/core/client_config/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de
@@ -0,0 +1 @@
+:�ilP/i;n!#i:
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d b/test/core/client_config/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d
new file mode 100644
index 0000000000000000000000000000000000000000..dff2f8920de8f1538c58dc80807e68648545813e
--- /dev/null
+++ b/test/core/client_config/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d
@@ -0,0 +1 @@
+u+ni::/i?n!ipR3/
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38 b/test/core/client_config/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38
new file mode 100644
index 0000000000000000000000000000000000000000..13a115481d2499195c17fae26f68233e64c4330c
--- /dev/null
+++ b/test/core/client_config/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38
@@ -0,0 +1 @@
+uni::pi:miP/?ni.!(Ri?)8/n!'i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/aba1472880406a318ce207ee79815b7acf087757 b/test/core/client_config/uri_corpus/aba1472880406a318ce207ee79815b7acf087757
new file mode 100644
index 0000000000000000000000000000000000000000..b7e7e970f8b37b3a2d2cf829292a5d6622da0883
--- /dev/null
+++ b/test/core/client_config/uri_corpus/aba1472880406a318ce207ee79815b7acf087757
@@ -0,0 +1 @@
+:iI/i?n!%�*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2 b/test/core/client_config/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2
new file mode 100644
index 0000000000000000000000000000000000000000..fe019fc4091b8f1d1ccb7c14535e4dc1b8dae8c9
--- /dev/null
+++ b/test/core/client_config/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2
@@ -0,0 +1 @@
+uni::.i!in:/i/n!ipv6�:?(pR;::/a.2b
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd b/test/core/client_config/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd
new file mode 100644
index 0000000000000000000000000000000000000000..6e12167b521cd670a0343ee118864a19085878ea
--- /dev/null
+++ b/test/core/client_config/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd
@@ -0,0 +1 @@
+:ii/iilP.i;?n?n!#i!;!%*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/c28a47409cf5d95bb372238d01e73d8b831408e4 b/test/core/client_config/uri_corpus/c28a47409cf5d95bb372238d01e73d8b831408e4
new file mode 100644
index 0000000000000000000000000000000000000000..119b0808c9f67320b2230e93e91e95421f214bb8
--- /dev/null
+++ b/test/core/client_config/uri_corpus/c28a47409cf5d95bb372238d01e73d8b831408e4
@@ -0,0 +1 @@
+:%i:i�?=#liI_!Kii/?ni*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/c3ef1d41888063a08700c3add1e4465aabcf8807 b/test/core/client_config/uri_corpus/c3ef1d41888063a08700c3add1e4465aabcf8807
new file mode 100644
index 0000000000000000000000000000000000000000..01db5d8aa4478b1be5b12be2a88e2d57a7612045
--- /dev/null
+++ b/test/core/client_config/uri_corpus/c3ef1d41888063a08700c3add1e4465aabcf8807
@@ -0,0 +1,2 @@
+::unix://ii//a�?=niI_!';.b.ci?n!%
+*;
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/c550a76af21f9b9cc92a386d5c8998b26f8f2e4d b/test/core/client_config/uri_corpus/c550a76af21f9b9cc92a386d5c8998b26f8f2e4d
new file mode 100644
index 0000000000000000000000000000000000000000..2ccb535449a20dbbd079f1c9c12aa3033596e0bf
--- /dev/null
+++ b/test/core/client_config/uri_corpus/c550a76af21f9b9cc92a386d5c8998b26f8f2e4d
@@ -0,0 +1 @@
+uni::.i?n(!ipR&/
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/c79721406d0ab80495f186fd88e37fba98637ae9 b/test/core/client_config/uri_corpus/c79721406d0ab80495f186fd88e37fba98637ae9
new file mode 100644
index 0000000000000000000000000000000000000000..f3c0404be7b43de8a6727eaeaa55a47a65cc3521
--- /dev/null
+++ b/test/core/client_config/uri_corpus/c79721406d0ab80495f186fd88e37fba98637ae9
@@ -0,0 +1 @@
+::nix::ii///ii/\a:�?=n;iI_!';&b.ciii
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245 b/test/core/client_config/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245
new file mode 100644
index 0000000000000000000000000000000000000000..b5655220d7437ab72bc16a74a572b93f20df3dc4
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245
@@ -0,0 +1 @@
+:�i?P-niI!'i�
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c b/test/core/client_config/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c
new file mode 100644
index 0000000000000000000000000000000000000000..a7656724f5175dd1eaa216f1cebb6785f1ea906e
--- /dev/null
+++ b/test/core/client_config/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c
@@ -0,0 +1 @@
+unix://ipv6:::
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca b/test/core/client_config/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca
new file mode 100644
index 0000000000000000000000000000000000000000..d658fb8ee09b04f15a599afa9d9a9e5064c5f563
--- /dev/null
+++ b/test/core/client_config/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca
@@ -0,0 +1 @@
+:ilP/i?n!#i:
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a b/test/core/client_config/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a
new file mode 100644
index 0000000000000000000000000000000000000000..6d37b5fd4509cb4eb360be91f48cad66c0b6a954
--- /dev/null
+++ b/test/core/client_config/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a
@@ -0,0 +1 @@
+:ilP/i?n,!#i:
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/dns.txt b/test/core/client_config/uri_corpus/dns.txt
new file mode 100644
index 0000000000000000000000000000000000000000..577e1054e4b29b0936275f5670fc70718bcab586
--- /dev/null
+++ b/test/core/client_config/uri_corpus/dns.txt
@@ -0,0 +1 @@
+dns:10.2.1.1
diff --git a/test/core/client_config/uri_corpus/e241f29957b0e30ec11aaaf91b2339f7015fa5fd b/test/core/client_config/uri_corpus/e241f29957b0e30ec11aaaf91b2339f7015fa5fd
new file mode 100644
index 0000000000000000000000000000000000000000..497bfd37ee4ca5ce5007e7224aa19e369d4fc217
--- /dev/null
+++ b/test/core/client_config/uri_corpus/e241f29957b0e30ec11aaaf91b2339f7015fa5fd
@@ -0,0 +1 @@
+ilP:%:%i:i�i:�i?=niI_.i;;!?=ii/?n#lniiI_!*Kii!/?ni*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71 b/test/core/client_config/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71
new file mode 100644
index 0000000000000000000000000000000000000000..52f5a2382ac8845c8d3a6c445f5b9d9f50547cc9
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71
@@ -0,0 +1,4 @@
+i:i?n!ip~f2.:/::abipip~6c.*
+
+::1
+v:�:1
diff --git a/test/core/client_config/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee b/test/core/client_config/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee
new file mode 100644
index 0000000000000000000000000000000000000000..c3c93fed6afe059f8cbe39ed8ea07853dffd45c1
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee
@@ -0,0 +1 @@
+ii-i?n!%*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2 b/test/core/client_config/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2
new file mode 100644
index 0000000000000000000000000000000000000000..45065e2f000468709b79b1e12578f8c3e2c664f2
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2
@@ -0,0 +1 @@
+:ii/i?n!%*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3 b/test/core/client_config/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3
new file mode 100644
index 0000000000000000000000000000000000000000..02151c8b6af25187d0e89899729f11f7d0f20d1d
--- /dev/null
+++ b/test/core/client_config/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3
@@ -0,0 +1,2 @@
+:ipip~6:::1
+vii/:::iunix:?n/1/ipv6!%
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67 b/test/core/client_config/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67
new file mode 100644
index 0000000000000000000000000000000000000000..8034e133d7b74b4f0051c3b781c8d6b72b5bc7b9
--- /dev/null
+++ b/test/core/client_config/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67
@@ -0,0 +1 @@
+:iiP/i?n!i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/f97598cff03306af3c70400608fec47268b5075d b/test/core/client_config/uri_corpus/f97598cff03306af3c70400608fec47268b5075d
new file mode 100644
index 0000000000000000000000000000000000000000..240946dbaacae690ef74313a186b480de069af58
--- /dev/null
+++ b/test/core/client_config/uri_corpus/f97598cff03306af3c70400608fec47268b5075d
@@ -0,0 +1,2 @@
+unix://ipv6:::/a.b.c1
+
diff --git a/test/core/client_config/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101 b/test/core/client_config/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101
new file mode 100644
index 0000000000000000000000000000000000000000..d089a593462defbd9436e4e9b978e19d18c7fe92
--- /dev/null
+++ b/test/core/client_config/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101
@@ -0,0 +1 @@
+:ilP.i;?n!#i;
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4 b/test/core/client_config/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4
new file mode 100644
index 0000000000000000000000000000000000000000..66eefbcc14d546b3bba2aa41fcbb763ef746e03b
--- /dev/null
+++ b/test/core/client_config/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4
@@ -0,0 +1 @@
+:miP/i?)n!'i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/ipv4.txt b/test/core/client_config/uri_corpus/ipv4.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fe29486b6e7e3a3469e329d3bd7c7ee1a81a800b
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ipv4.txt
@@ -0,0 +1 @@
+ipv4:10.2.1.1
diff --git a/test/core/client_config/uri_corpus/ipv6.txt b/test/core/client_config/uri_corpus/ipv6.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7b6932be00b5951daf8a1d27d6c09a8f55b234de
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ipv6.txt
@@ -0,0 +1 @@
+ipv6:::1
diff --git a/test/core/client_config/uri_corpus/unix.txt b/test/core/client_config/uri_corpus/unix.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7a0997ec9a608dd847d0bf531e430c31d10a31e8
--- /dev/null
+++ b/test/core/client_config/uri_corpus/unix.txt
@@ -0,0 +1 @@
+unix:///a.b.c
diff --git a/src/core/client_config/lb_policies/pick_first.h b/test/core/client_config/uri_fuzzer_test.c
similarity index 80%
rename from src/core/client_config/lb_policies/pick_first.h
rename to test/core/client_config/uri_fuzzer_test.c
index 3ca53ad42afa8c774c0187fb817abc7d6293ebb0..eb976fc9f53a7c2d25e5c87c50301605d1f29389 100644
--- a/src/core/client_config/lb_policies/pick_first.h
+++ b/test/core/client_config/uri_fuzzer_test.c
@@ -31,13 +31,22 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_PICK_FIRST_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_PICK_FIRST_H
+#include <stdint.h>
+#include <string.h>
 
-#include "src/core/client_config/lb_policy_factory.h"
+#include <grpc/support/alloc.h>
 
-/** Returns a load balancing factory for the pick first policy, which picks up
- * the first subchannel from \a subchannels to succesfully connect */
-grpc_lb_policy_factory *grpc_pick_first_lb_factory_create();
+#include "src/core/ext/client_config/uri_parser.h"
 
-#endif
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  char *s = gpr_malloc(size + 1);
+  memcpy(s, data, size);
+  s[size] = 0;
+
+  grpc_uri *x;
+  if ((x = grpc_uri_parse(s, 1))) {
+    grpc_uri_destroy(x);
+  }
+  gpr_free(s);
+  return 0;
+}
diff --git a/test/core/client_config/uri_parser_test.c b/test/core/client_config/uri_parser_test.c
index df12d6b4cb7e558818cfec25e2243ef06e294682..323e8b6f70b1d6229126ddf949cd7239c40f4bab 100644
--- a/test/core/client_config/uri_parser_test.c
+++ b/test/core/client_config/uri_parser_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/uri_parser.h"
+#include "src/core/ext/client_config/uri_parser.h"
 
 #include <string.h>
 
@@ -56,6 +56,73 @@ static void test_fails(const char *uri_text) {
   GPR_ASSERT(NULL == grpc_uri_parse(uri_text, 0));
 }
 
+static void test_query_parts() {
+  {
+    const char *uri_text = "http://foo/path?a&b=B&c=&#frag";
+    grpc_uri *uri = grpc_uri_parse(uri_text, 0);
+    GPR_ASSERT(uri);
+
+    GPR_ASSERT(0 == strcmp("http", uri->scheme));
+    GPR_ASSERT(0 == strcmp("foo", uri->authority));
+    GPR_ASSERT(0 == strcmp("/path", uri->path));
+    GPR_ASSERT(0 == strcmp("a&b=B&c=&", uri->query));
+    GPR_ASSERT(4 == uri->num_query_parts);
+
+    GPR_ASSERT(0 == strcmp("a", uri->query_parts[0]));
+    GPR_ASSERT(NULL == uri->query_parts_values[0]);
+
+    GPR_ASSERT(0 == strcmp("b", uri->query_parts[1]));
+    GPR_ASSERT(0 == strcmp("B", uri->query_parts_values[1]));
+
+    GPR_ASSERT(0 == strcmp("c", uri->query_parts[2]));
+    GPR_ASSERT(0 == strcmp("", uri->query_parts_values[2]));
+
+    GPR_ASSERT(0 == strcmp("", uri->query_parts[3]));
+    GPR_ASSERT(NULL == uri->query_parts_values[3]);
+
+    GPR_ASSERT(NULL == grpc_uri_get_query_arg(uri, "a"));
+    GPR_ASSERT(0 == strcmp("B", grpc_uri_get_query_arg(uri, "b")));
+    GPR_ASSERT(0 == strcmp("", grpc_uri_get_query_arg(uri, "c")));
+    GPR_ASSERT(NULL == grpc_uri_get_query_arg(uri, ""));
+
+    GPR_ASSERT(0 == strcmp("frag", uri->fragment));
+    grpc_uri_destroy(uri);
+  }
+  {
+    /* test the current behavior of multiple query part values */
+    const char *uri_text = "http://auth/path?foo=bar=baz&foobar==";
+    grpc_uri *uri = grpc_uri_parse(uri_text, 0);
+    GPR_ASSERT(uri);
+
+    GPR_ASSERT(0 == strcmp("http", uri->scheme));
+    GPR_ASSERT(0 == strcmp("auth", uri->authority));
+    GPR_ASSERT(0 == strcmp("/path", uri->path));
+    GPR_ASSERT(0 == strcmp("foo=bar=baz&foobar==", uri->query));
+    GPR_ASSERT(2 == uri->num_query_parts);
+
+    GPR_ASSERT(0 == strcmp("bar", grpc_uri_get_query_arg(uri, "foo")));
+    GPR_ASSERT(0 == strcmp("", grpc_uri_get_query_arg(uri, "foobar")));
+
+    grpc_uri_destroy(uri);
+  }
+  {
+    /* empty query */
+    const char *uri_text = "http://foo/path";
+    grpc_uri *uri = grpc_uri_parse(uri_text, 0);
+    GPR_ASSERT(uri);
+
+    GPR_ASSERT(0 == strcmp("http", uri->scheme));
+    GPR_ASSERT(0 == strcmp("foo", uri->authority));
+    GPR_ASSERT(0 == strcmp("/path", uri->path));
+    GPR_ASSERT(0 == strcmp("", uri->query));
+    GPR_ASSERT(0 == uri->num_query_parts);
+    GPR_ASSERT(NULL == uri->query_parts);
+    GPR_ASSERT(NULL == uri->query_parts_values);
+    GPR_ASSERT(0 == strcmp("", uri->fragment));
+    grpc_uri_destroy(uri);
+  }
+}
+
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   test_succeeds("http://www.google.com", "http", "www.google.com", "", "", "");
@@ -82,5 +149,6 @@ int main(int argc, char **argv) {
   test_fails("http://foo?x[bar]");
   test_fails("http://foo?bar#lol#");
 
+  test_query_parts();
   return 0;
 }
diff --git a/test/core/compression/algorithm_test.c b/test/core/compression/algorithm_test.c
index 7de7e11a94dd39a973efd7f637e878c385f37ef3..bdee748ae6fa02c9cbe2ea68466dc19240a693b9 100644
--- a/test/core/compression/algorithm_test.c
+++ b/test/core/compression/algorithm_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/compression/algorithm_metadata.h"
+#include "src/core/lib/compression/algorithm_metadata.h"
 
 #include <stdlib.h>
 #include <string.h>
@@ -40,7 +40,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/transport/static_metadata.h"
 #include "test/core/util/test_config.h"
 
 static void test_algorithm_mesh(void) {
diff --git a/test/core/compression/compression_test.c b/test/core/compression/compression_test.c
index 26d7b2b6ccd3cfbfca6971bd25b7e4285b113f89..4c43746e335243bcb9f2608b6472d6ab6c5a03b9 100644
--- a/test/core/compression/compression_test.c
+++ b/test/core/compression/compression_test.c
@@ -93,18 +93,98 @@ static void test_compression_algorithm_name(void) {
 }
 
 static void test_compression_algorithm_for_level(void) {
-  size_t i;
-  grpc_compression_level levels[] = {
-      GRPC_COMPRESS_LEVEL_NONE, GRPC_COMPRESS_LEVEL_LOW,
-      GRPC_COMPRESS_LEVEL_MED, GRPC_COMPRESS_LEVEL_HIGH};
-  grpc_compression_algorithm algorithms[] = {
-      GRPC_COMPRESS_NONE, GRPC_COMPRESS_DEFLATE, GRPC_COMPRESS_DEFLATE,
-      GRPC_COMPRESS_DEFLATE};
   gpr_log(GPR_DEBUG, "test_compression_algorithm_for_level");
 
-  for (i = 0; i < GPR_ARRAY_SIZE(levels); i++) {
-    GPR_ASSERT(algorithms[i] ==
-               grpc_compression_algorithm_for_level(levels[i]));
+  {
+    /* accept only identity (aka none) */
+    uint32_t accepted_encodings = 0;
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH,
+                                                    accepted_encodings));
+  }
+
+  {
+    /* accept only gzip */
+    uint32_t accepted_encodings = 0;
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_GZIP);
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_GZIP ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_GZIP ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_GZIP ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH,
+                                                    accepted_encodings));
+  }
+
+  {
+    /* accept only deflate */
+    uint32_t accepted_encodings = 0;
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_DEFLATE);
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH,
+                                                    accepted_encodings));
+  }
+
+  {
+    /* accept gzip and deflate */
+    uint32_t accepted_encodings = 0;
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_GZIP);
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_DEFLATE);
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_GZIP ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH,
+                                                    accepted_encodings));
   }
 }
 
diff --git a/test/core/compression/message_compress_test.c b/test/core/compression/message_compress_test.c
index 6d3d16128a8c953b44768d1a7339bca59d8ce7c2..1a93903346f3495fc8de677f8b7c6f714a0c0b2e 100644
--- a/test/core/compression/message_compress_test.c
+++ b/test/core/compression/message_compress_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/compression/message_compress.h"
+#include "src/core/lib/compression/message_compress.h"
 
 #include <stdlib.h>
 #include <string.h>
@@ -40,7 +40,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/support/murmur_hash.h"
+#include "src/core/lib/support/murmur_hash.h"
 #include "test/core/util/slice_splitter.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/end2end/cq_verifier.c b/test/core/end2end/cq_verifier.c
index 724d419a7abae43206319888ec96234b1df1d49a..77afe588d79b166b2329884eb6ce033b7b28606f 100644
--- a/test/core/end2end/cq_verifier.c
+++ b/test/core/end2end/cq_verifier.c
@@ -37,8 +37,6 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/surface/event_string.h"
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/byte_buffer_reader.h>
 #include <grpc/support/alloc.h>
@@ -46,6 +44,8 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/event_string.h"
 
 #define ROOT_EXPECTATION 1000
 
diff --git a/test/core/end2end/data/client_certs.c b/test/core/end2end/data/client_certs.c
new file mode 100644
index 0000000000000000000000000000000000000000..9cdb704335dae9286ef217875f9c04b87d9904d6
--- /dev/null
+++ b/test/core/end2end/data/client_certs.c
@@ -0,0 +1,343 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+const char test_self_signed_client_cert[] = {
+    0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x42, 0x45, 0x47, 0x49, 0x4e, 0x20, 0x43,
+    0x45, 0x52, 0x54, 0x49, 0x46, 0x49, 0x43, 0x41, 0x54, 0x45, 0x2d, 0x2d,
+    0x2d, 0x2d, 0x2d, 0x0a, 0x4d, 0x49, 0x49, 0x43, 0x6f, 0x44, 0x43, 0x43,
+    0x41, 0x67, 0x6d, 0x67, 0x41, 0x77, 0x49, 0x42, 0x41, 0x67, 0x49, 0x4a,
+    0x41, 0x4e, 0x49, 0x7a, 0x32, 0x2f, 0x7a, 0x6f, 0x52, 0x69, 0x61, 0x70,
+    0x4d, 0x41, 0x30, 0x47, 0x43, 0x53, 0x71, 0x47, 0x53, 0x49, 0x62, 0x33,
+    0x44, 0x51, 0x45, 0x42, 0x42, 0x51, 0x55, 0x41, 0x4d, 0x47, 0x6b, 0x78,
+    0x43, 0x7a, 0x41, 0x4a, 0x42, 0x67, 0x4e, 0x56, 0x0a, 0x42, 0x41, 0x59,
+    0x54, 0x41, 0x6b, 0x46, 0x56, 0x4d, 0x52, 0x4d, 0x77, 0x45, 0x51, 0x59,
+    0x44, 0x56, 0x51, 0x51, 0x49, 0x44, 0x41, 0x70, 0x54, 0x62, 0x32, 0x31,
+    0x6c, 0x4c, 0x56, 0x4e, 0x30, 0x59, 0x58, 0x52, 0x6c, 0x4d, 0x53, 0x45,
+    0x77, 0x48, 0x77, 0x59, 0x44, 0x56, 0x51, 0x51, 0x4b, 0x44, 0x42, 0x68,
+    0x4a, 0x62, 0x6e, 0x52, 0x6c, 0x63, 0x6d, 0x35, 0x6c, 0x64, 0x43, 0x42,
+    0x58, 0x0a, 0x61, 0x57, 0x52, 0x6e, 0x61, 0x58, 0x52, 0x7a, 0x49, 0x46,
+    0x42, 0x30, 0x65, 0x53, 0x42, 0x4d, 0x64, 0x47, 0x51, 0x78, 0x49, 0x6a,
+    0x41, 0x67, 0x42, 0x67, 0x4e, 0x56, 0x42, 0x41, 0x4d, 0x4d, 0x47, 0x57,
+    0x4a, 0x68, 0x5a, 0x47, 0x4e, 0x73, 0x61, 0x57, 0x56, 0x75, 0x64, 0x43,
+    0x35, 0x30, 0x5a, 0x58, 0x4e, 0x30, 0x4c, 0x6d, 0x64, 0x76, 0x62, 0x32,
+    0x64, 0x73, 0x5a, 0x53, 0x35, 0x6a, 0x0a, 0x62, 0x32, 0x30, 0x77, 0x48,
+    0x68, 0x63, 0x4e, 0x4d, 0x54, 0x51, 0x77, 0x4e, 0x7a, 0x49, 0x34, 0x4d,
+    0x6a, 0x41, 0x77, 0x4f, 0x44, 0x49, 0x31, 0x57, 0x68, 0x63, 0x4e, 0x4d,
+    0x6a, 0x51, 0x77, 0x4e, 0x7a, 0x49, 0x31, 0x4d, 0x6a, 0x41, 0x77, 0x4f,
+    0x44, 0x49, 0x31, 0x57, 0x6a, 0x42, 0x70, 0x4d, 0x51, 0x73, 0x77, 0x43,
+    0x51, 0x59, 0x44, 0x56, 0x51, 0x51, 0x47, 0x45, 0x77, 0x4a, 0x42, 0x0a,
+    0x56, 0x54, 0x45, 0x54, 0x4d, 0x42, 0x45, 0x47, 0x41, 0x31, 0x55, 0x45,
+    0x43, 0x41, 0x77, 0x4b, 0x55, 0x32, 0x39, 0x74, 0x5a, 0x53, 0x31, 0x54,
+    0x64, 0x47, 0x46, 0x30, 0x5a, 0x54, 0x45, 0x68, 0x4d, 0x42, 0x38, 0x47,
+    0x41, 0x31, 0x55, 0x45, 0x43, 0x67, 0x77, 0x59, 0x53, 0x57, 0x35, 0x30,
+    0x5a, 0x58, 0x4a, 0x75, 0x5a, 0x58, 0x51, 0x67, 0x56, 0x32, 0x6c, 0x6b,
+    0x5a, 0x32, 0x6c, 0x30, 0x0a, 0x63, 0x79, 0x42, 0x51, 0x64, 0x48, 0x6b,
+    0x67, 0x54, 0x48, 0x52, 0x6b, 0x4d, 0x53, 0x49, 0x77, 0x49, 0x41, 0x59,
+    0x44, 0x56, 0x51, 0x51, 0x44, 0x44, 0x42, 0x6c, 0x69, 0x59, 0x57, 0x52,
+    0x6a, 0x62, 0x47, 0x6c, 0x6c, 0x62, 0x6e, 0x51, 0x75, 0x64, 0x47, 0x56,
+    0x7a, 0x64, 0x43, 0x35, 0x6e, 0x62, 0x32, 0x39, 0x6e, 0x62, 0x47, 0x55,
+    0x75, 0x59, 0x32, 0x39, 0x74, 0x4d, 0x49, 0x47, 0x66, 0x0a, 0x4d, 0x41,
+    0x30, 0x47, 0x43, 0x53, 0x71, 0x47, 0x53, 0x49, 0x62, 0x33, 0x44, 0x51,
+    0x45, 0x42, 0x41, 0x51, 0x55, 0x41, 0x41, 0x34, 0x47, 0x4e, 0x41, 0x44,
+    0x43, 0x42, 0x69, 0x51, 0x4b, 0x42, 0x67, 0x51, 0x43, 0x79, 0x58, 0x32,
+    0x4a, 0x78, 0x5a, 0x2b, 0x4a, 0x35, 0x49, 0x2b, 0x64, 0x6c, 0x68, 0x52,
+    0x4f, 0x56, 0x74, 0x71, 0x6c, 0x4d, 0x51, 0x6e, 0x34, 0x37, 0x42, 0x42,
+    0x63, 0x72, 0x0a, 0x6c, 0x32, 0x47, 0x43, 0x6b, 0x76, 0x39, 0x4f, 0x31,
+    0x44, 0x31, 0x72, 0x4c, 0x39, 0x34, 0x4b, 0x57, 0x59, 0x62, 0x59, 0x31,
+    0x34, 0x48, 0x58, 0x68, 0x69, 0x2f, 0x6e, 0x61, 0x63, 0x42, 0x41, 0x51,
+    0x74, 0x43, 0x45, 0x51, 0x77, 0x58, 0x78, 0x70, 0x35, 0x44, 0x4b, 0x65,
+    0x6d, 0x47, 0x4f, 0x55, 0x6a, 0x75, 0x36, 0x35, 0x78, 0x4d, 0x39, 0x46,
+    0x39, 0x36, 0x2f, 0x33, 0x37, 0x34, 0x47, 0x0a, 0x4d, 0x76, 0x6e, 0x52,
+    0x4a, 0x64, 0x6f, 0x35, 0x32, 0x67, 0x4f, 0x73, 0x34, 0x48, 0x4f, 0x30,
+    0x63, 0x7a, 0x42, 0x70, 0x66, 0x56, 0x4e, 0x64, 0x58, 0x65, 0x65, 0x6f,
+    0x44, 0x2f, 0x52, 0x59, 0x67, 0x77, 0x74, 0x74, 0x66, 0x64, 0x4a, 0x72,
+    0x7a, 0x2f, 0x34, 0x61, 0x61, 0x74, 0x73, 0x53, 0x32, 0x51, 0x6b, 0x32,
+    0x79, 0x4d, 0x59, 0x70, 0x71, 0x5a, 0x6d, 0x71, 0x45, 0x4d, 0x73, 0x62,
+    0x0a, 0x72, 0x68, 0x39, 0x57, 0x32, 0x32, 0x4c, 0x70, 0x33, 0x72, 0x43,
+    0x42, 0x76, 0x77, 0x49, 0x44, 0x41, 0x51, 0x41, 0x42, 0x6f, 0x31, 0x41,
+    0x77, 0x54, 0x6a, 0x41, 0x64, 0x42, 0x67, 0x4e, 0x56, 0x48, 0x51, 0x34,
+    0x45, 0x46, 0x67, 0x51, 0x55, 0x35, 0x32, 0x33, 0x41, 0x4a, 0x4d, 0x52,
+    0x38, 0x44, 0x73, 0x39, 0x56, 0x38, 0x66, 0x68, 0x66, 0x37, 0x67, 0x75,
+    0x31, 0x69, 0x30, 0x4d, 0x4d, 0x0a, 0x55, 0x71, 0x41, 0x77, 0x48, 0x77,
+    0x59, 0x44, 0x56, 0x52, 0x30, 0x6a, 0x42, 0x42, 0x67, 0x77, 0x46, 0x6f,
+    0x41, 0x55, 0x35, 0x32, 0x33, 0x41, 0x4a, 0x4d, 0x52, 0x38, 0x44, 0x73,
+    0x39, 0x56, 0x38, 0x66, 0x68, 0x66, 0x37, 0x67, 0x75, 0x31, 0x69, 0x30,
+    0x4d, 0x4d, 0x55, 0x71, 0x41, 0x77, 0x44, 0x41, 0x59, 0x44, 0x56, 0x52,
+    0x30, 0x54, 0x42, 0x41, 0x55, 0x77, 0x41, 0x77, 0x45, 0x42, 0x0a, 0x2f,
+    0x7a, 0x41, 0x4e, 0x42, 0x67, 0x6b, 0x71, 0x68, 0x6b, 0x69, 0x47, 0x39,
+    0x77, 0x30, 0x42, 0x41, 0x51, 0x55, 0x46, 0x41, 0x41, 0x4f, 0x42, 0x67,
+    0x51, 0x43, 0x49, 0x2f, 0x74, 0x76, 0x53, 0x42, 0x59, 0x48, 0x31, 0x69,
+    0x79, 0x66, 0x4c, 0x61, 0x43, 0x54, 0x42, 0x4b, 0x77, 0x70, 0x64, 0x6a,
+    0x33, 0x36, 0x2b, 0x4d, 0x6b, 0x52, 0x39, 0x45, 0x65, 0x4a, 0x4a, 0x6d,
+    0x49, 0x6d, 0x78, 0x0a, 0x58, 0x2b, 0x62, 0x6a, 0x68, 0x4b, 0x57, 0x58,
+    0x77, 0x73, 0x42, 0x58, 0x34, 0x50, 0x44, 0x4d, 0x57, 0x76, 0x64, 0x75,
+    0x73, 0x72, 0x2b, 0x2b, 0x51, 0x47, 0x55, 0x59, 0x74, 0x79, 0x6f, 0x79,
+    0x61, 0x2b, 0x68, 0x66, 0x59, 0x4d, 0x58, 0x52, 0x68, 0x58, 0x75, 0x61,
+    0x33, 0x39, 0x6d, 0x44, 0x35, 0x34, 0x78, 0x67, 0x6c, 0x6f, 0x51, 0x4e,
+    0x75, 0x75, 0x39, 0x52, 0x45, 0x44, 0x77, 0x58, 0x0a, 0x46, 0x66, 0x74,
+    0x6f, 0x2b, 0x61, 0x4f, 0x77, 0x33, 0x42, 0x63, 0x59, 0x64, 0x75, 0x63,
+    0x7a, 0x36, 0x6f, 0x66, 0x78, 0x69, 0x63, 0x46, 0x4b, 0x2f, 0x59, 0x32,
+    0x56, 0x65, 0x58, 0x44, 0x75, 0x72, 0x53, 0x4d, 0x70, 0x52, 0x76, 0x35,
+    0x54, 0x66, 0x47, 0x66, 0x32, 0x51, 0x72, 0x36, 0x65, 0x4f, 0x4f, 0x64,
+    0x61, 0x52, 0x68, 0x6a, 0x36, 0x65, 0x64, 0x37, 0x42, 0x69, 0x62, 0x48,
+    0x6b, 0x0a, 0x58, 0x31, 0x56, 0x47, 0x5a, 0x41, 0x3d, 0x3d, 0x0a, 0x2d,
+    0x2d, 0x2d, 0x2d, 0x2d, 0x45, 0x4e, 0x44, 0x20, 0x43, 0x45, 0x52, 0x54,
+    0x49, 0x46, 0x49, 0x43, 0x41, 0x54, 0x45, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
+    0x0a, 0x00};
+
+const char test_self_signed_client_key[] = {
+    0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x42, 0x45, 0x47, 0x49, 0x4e, 0x20, 0x50,
+    0x52, 0x49, 0x56, 0x41, 0x54, 0x45, 0x20, 0x4b, 0x45, 0x59, 0x2d, 0x2d,
+    0x2d, 0x2d, 0x2d, 0x0a, 0x4d, 0x49, 0x49, 0x43, 0x64, 0x77, 0x49, 0x42,
+    0x41, 0x44, 0x41, 0x4e, 0x42, 0x67, 0x6b, 0x71, 0x68, 0x6b, 0x69, 0x47,
+    0x39, 0x77, 0x30, 0x42, 0x41, 0x51, 0x45, 0x46, 0x41, 0x41, 0x53, 0x43,
+    0x41, 0x6d, 0x45, 0x77, 0x67, 0x67, 0x4a, 0x64, 0x41, 0x67, 0x45, 0x41,
+    0x41, 0x6f, 0x47, 0x42, 0x41, 0x4c, 0x4a, 0x66, 0x59, 0x6e, 0x46, 0x6e,
+    0x34, 0x6e, 0x6b, 0x6a, 0x35, 0x32, 0x57, 0x46, 0x0a, 0x45, 0x35, 0x57,
+    0x32, 0x71, 0x55, 0x78, 0x43, 0x66, 0x6a, 0x73, 0x45, 0x46, 0x79, 0x75,
+    0x58, 0x59, 0x59, 0x4b, 0x53, 0x2f, 0x30, 0x37, 0x55, 0x50, 0x57, 0x73,
+    0x76, 0x33, 0x67, 0x70, 0x5a, 0x68, 0x74, 0x6a, 0x58, 0x67, 0x64, 0x65,
+    0x47, 0x4c, 0x2b, 0x64, 0x70, 0x77, 0x45, 0x42, 0x43, 0x30, 0x49, 0x52,
+    0x44, 0x42, 0x66, 0x47, 0x6e, 0x6b, 0x4d, 0x70, 0x36, 0x59, 0x59, 0x35,
+    0x53, 0x0a, 0x4f, 0x37, 0x72, 0x6e, 0x45, 0x7a, 0x30, 0x58, 0x33, 0x72,
+    0x2f, 0x66, 0x76, 0x67, 0x59, 0x79, 0x2b, 0x64, 0x45, 0x6c, 0x32, 0x6a,
+    0x6e, 0x61, 0x41, 0x36, 0x7a, 0x67, 0x63, 0x37, 0x52, 0x7a, 0x4d, 0x47,
+    0x6c, 0x39, 0x55, 0x31, 0x31, 0x64, 0x35, 0x36, 0x67, 0x50, 0x39, 0x46,
+    0x69, 0x44, 0x43, 0x32, 0x31, 0x39, 0x30, 0x6d, 0x76, 0x50, 0x2f, 0x68,
+    0x70, 0x71, 0x32, 0x78, 0x4c, 0x5a, 0x0a, 0x43, 0x54, 0x62, 0x49, 0x78,
+    0x69, 0x6d, 0x70, 0x6d, 0x61, 0x6f, 0x51, 0x79, 0x78, 0x75, 0x75, 0x48,
+    0x31, 0x62, 0x62, 0x59, 0x75, 0x6e, 0x65, 0x73, 0x49, 0x47, 0x2f, 0x41,
+    0x67, 0x4d, 0x42, 0x41, 0x41, 0x45, 0x43, 0x67, 0x59, 0x41, 0x64, 0x71,
+    0x4a, 0x43, 0x45, 0x7a, 0x4d, 0x49, 0x79, 0x5a, 0x45, 0x37, 0x6f, 0x61,
+    0x57, 0x30, 0x74, 0x4f, 0x70, 0x63, 0x42, 0x30, 0x42, 0x69, 0x50, 0x0a,
+    0x46, 0x59, 0x6f, 0x49, 0x76, 0x48, 0x34, 0x42, 0x4b, 0x52, 0x48, 0x38,
+    0x65, 0x48, 0x76, 0x52, 0x34, 0x37, 0x36, 0x6d, 0x74, 0x2b, 0x59, 0x64,
+    0x44, 0x68, 0x42, 0x50, 0x31, 0x73, 0x63, 0x47, 0x55, 0x6d, 0x59, 0x65,
+    0x43, 0x54, 0x34, 0x45, 0x6a, 0x2b, 0x52, 0x67, 0x48, 0x76, 0x32, 0x4c,
+    0x50, 0x54, 0x67, 0x56, 0x59, 0x77, 0x54, 0x39, 0x65, 0x63, 0x69, 0x50,
+    0x32, 0x2b, 0x45, 0x2f, 0x0a, 0x43, 0x42, 0x43, 0x4e, 0x52, 0x65, 0x6c,
+    0x30, 0x53, 0x77, 0x39, 0x4a, 0x65, 0x70, 0x77, 0x57, 0x30, 0x72, 0x2b,
+    0x6a, 0x57, 0x4a, 0x74, 0x44, 0x59, 0x31, 0x70, 0x70, 0x36, 0x59, 0x58,
+    0x41, 0x67, 0x4e, 0x52, 0x47, 0x58, 0x32, 0x55, 0x66, 0x6c, 0x76, 0x55,
+    0x73, 0x54, 0x2b, 0x6f, 0x39, 0x6c, 0x5a, 0x76, 0x61, 0x67, 0x66, 0x39,
+    0x6d, 0x6f, 0x4c, 0x54, 0x4d, 0x79, 0x47, 0x76, 0x55, 0x0a, 0x75, 0x4c,
+    0x46, 0x6e, 0x73, 0x79, 0x66, 0x4c, 0x69, 0x6d, 0x31, 0x42, 0x34, 0x76,
+    0x58, 0x76, 0x57, 0x51, 0x4a, 0x42, 0x41, 0x4e, 0x6f, 0x75, 0x5a, 0x6c,
+    0x6c, 0x58, 0x47, 0x5a, 0x6f, 0x53, 0x72, 0x5a, 0x4c, 0x74, 0x52, 0x33,
+    0x56, 0x67, 0x56, 0x34, 0x74, 0x7a, 0x52, 0x51, 0x76, 0x4a, 0x78, 0x75,
+    0x38, 0x34, 0x6b, 0x4c, 0x65, 0x49, 0x6b, 0x36, 0x34, 0x4f, 0x76, 0x34,
+    0x37, 0x58, 0x0a, 0x70, 0x48, 0x56, 0x42, 0x4d, 0x54, 0x52, 0x42, 0x66,
+    0x7a, 0x50, 0x45, 0x68, 0x62, 0x42, 0x6f, 0x64, 0x6a, 0x72, 0x31, 0x6d,
+    0x35, 0x4f, 0x4c, 0x61, 0x56, 0x4c, 0x71, 0x6b, 0x46, 0x63, 0x58, 0x66,
+    0x74, 0x7a, 0x52, 0x43, 0x72, 0x62, 0x57, 0x6f, 0x4b, 0x73, 0x43, 0x51,
+    0x51, 0x44, 0x52, 0x53, 0x6f, 0x4c, 0x4c, 0x58, 0x4f, 0x69, 0x4c, 0x72,
+    0x74, 0x4a, 0x33, 0x44, 0x4c, 0x4a, 0x43, 0x0a, 0x72, 0x58, 0x37, 0x59,
+    0x38, 0x77, 0x72, 0x48, 0x5a, 0x72, 0x71, 0x6b, 0x35, 0x62, 0x4d, 0x64,
+    0x5a, 0x4c, 0x47, 0x61, 0x2f, 0x55, 0x58, 0x38, 0x52, 0x61, 0x6e, 0x68,
+    0x56, 0x77, 0x33, 0x2b, 0x58, 0x70, 0x2b, 0x75, 0x72, 0x64, 0x31, 0x37,
+    0x31, 0x31, 0x75, 0x6d, 0x65, 0x4e, 0x4a, 0x66, 0x7a, 0x75, 0x2f, 0x4d,
+    0x43, 0x6b, 0x34, 0x61, 0x31, 0x4b, 0x6b, 0x47, 0x2f, 0x43, 0x55, 0x30,
+    0x0a, 0x72, 0x71, 0x73, 0x39, 0x41, 0x6b, 0x41, 0x34, 0x63, 0x53, 0x78,
+    0x31, 0x44, 0x44, 0x31, 0x4a, 0x53, 0x47, 0x2b, 0x79, 0x78, 0x4d, 0x4e,
+    0x70, 0x73, 0x41, 0x53, 0x31, 0x78, 0x4a, 0x6f, 0x6d, 0x46, 0x49, 0x72,
+    0x73, 0x4d, 0x39, 0x76, 0x73, 0x50, 0x74, 0x37, 0x46, 0x64, 0x6e, 0x64,
+    0x44, 0x77, 0x72, 0x46, 0x2b, 0x79, 0x2b, 0x43, 0x6f, 0x76, 0x68, 0x44,
+    0x6b, 0x47, 0x59, 0x44, 0x6b, 0x0a, 0x52, 0x41, 0x48, 0x68, 0x2b, 0x73,
+    0x76, 0x47, 0x66, 0x5a, 0x67, 0x2f, 0x70, 0x51, 0x4b, 0x32, 0x4a, 0x52,
+    0x50, 0x69, 0x6d, 0x41, 0x6d, 0x48, 0x68, 0x7a, 0x71, 0x46, 0x41, 0x6b,
+    0x45, 0x41, 0x75, 0x36, 0x59, 0x61, 0x37, 0x30, 0x73, 0x32, 0x46, 0x55,
+    0x65, 0x42, 0x33, 0x4d, 0x75, 0x39, 0x61, 0x4a, 0x73, 0x32, 0x43, 0x44,
+    0x36, 0x68, 0x67, 0x33, 0x64, 0x51, 0x45, 0x56, 0x6b, 0x42, 0x0a, 0x35,
+    0x33, 0x44, 0x49, 0x37, 0x54, 0x58, 0x34, 0x38, 0x64, 0x39, 0x6b, 0x47,
+    0x57, 0x35, 0x38, 0x56, 0x58, 0x31, 0x78, 0x6e, 0x71, 0x53, 0x30, 0x32,
+    0x4c, 0x79, 0x57, 0x71, 0x41, 0x50, 0x63, 0x57, 0x35, 0x71, 0x6d, 0x31,
+    0x6b, 0x4c, 0x48, 0x46, 0x4c, 0x64, 0x6e, 0x64, 0x61, 0x50, 0x4e, 0x6d,
+    0x42, 0x61, 0x6a, 0x34, 0x51, 0x4a, 0x42, 0x41, 0x4a, 0x75, 0x67, 0x6c,
+    0x33, 0x36, 0x37, 0x0a, 0x39, 0x64, 0x39, 0x74, 0x2f, 0x51, 0x4c, 0x54,
+    0x53, 0x75, 0x55, 0x4c, 0x4c, 0x61, 0x6f, 0x59, 0x76, 0x32, 0x76, 0x4a,
+    0x54, 0x33, 0x73, 0x31, 0x79, 0x39, 0x48, 0x4e, 0x38, 0x39, 0x45, 0x6f,
+    0x61, 0x44, 0x44, 0x45, 0x6b, 0x50, 0x56, 0x66, 0x51, 0x75, 0x36, 0x47,
+    0x56, 0x45, 0x58, 0x67, 0x49, 0x42, 0x74, 0x69, 0x6d, 0x31, 0x73, 0x49,
+    0x2f, 0x56, 0x50, 0x53, 0x7a, 0x49, 0x38, 0x48, 0x0a, 0x61, 0x58, 0x76,
+    0x61, 0x54, 0x55, 0x77, 0x62, 0x6c, 0x46, 0x57, 0x53, 0x4d, 0x37, 0x30,
+    0x3d, 0x0a, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x45, 0x4e, 0x44, 0x20, 0x50,
+    0x52, 0x49, 0x56, 0x41, 0x54, 0x45, 0x20, 0x4b, 0x45, 0x59, 0x2d, 0x2d,
+    0x2d, 0x2d, 0x2d, 0x0a, 0x00};
+
+const char test_signed_client_cert[] = {
+    0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x42, 0x45, 0x47, 0x49, 0x4e, 0x20, 0x43,
+    0x45, 0x52, 0x54, 0x49, 0x46, 0x49, 0x43, 0x41, 0x54, 0x45, 0x2d, 0x2d,
+    0x2d, 0x2d, 0x2d, 0x0a, 0x4d, 0x49, 0x49, 0x43, 0x48, 0x7a, 0x43, 0x43,
+    0x41, 0x59, 0x67, 0x43, 0x41, 0x51, 0x45, 0x77, 0x44, 0x51, 0x59, 0x4a,
+    0x4b, 0x6f, 0x5a, 0x49, 0x68, 0x76, 0x63, 0x4e, 0x41, 0x51, 0x45, 0x46,
+    0x42, 0x51, 0x41, 0x77, 0x56, 0x6a, 0x45, 0x4c, 0x4d, 0x41, 0x6b, 0x47,
+    0x41, 0x31, 0x55, 0x45, 0x42, 0x68, 0x4d, 0x43, 0x51, 0x56, 0x55, 0x78,
+    0x45, 0x7a, 0x41, 0x52, 0x42, 0x67, 0x4e, 0x56, 0x0a, 0x42, 0x41, 0x67,
+    0x4d, 0x43, 0x6c, 0x4e, 0x76, 0x62, 0x57, 0x55, 0x74, 0x55, 0x33, 0x52,
+    0x68, 0x64, 0x47, 0x55, 0x78, 0x49, 0x54, 0x41, 0x66, 0x42, 0x67, 0x4e,
+    0x56, 0x42, 0x41, 0x6f, 0x4d, 0x47, 0x45, 0x6c, 0x75, 0x64, 0x47, 0x56,
+    0x79, 0x62, 0x6d, 0x56, 0x30, 0x49, 0x46, 0x64, 0x70, 0x5a, 0x47, 0x64,
+    0x70, 0x64, 0x48, 0x4d, 0x67, 0x55, 0x48, 0x52, 0x35, 0x49, 0x45, 0x78,
+    0x30, 0x0a, 0x5a, 0x44, 0x45, 0x50, 0x4d, 0x41, 0x30, 0x47, 0x41, 0x31,
+    0x55, 0x45, 0x41, 0x77, 0x77, 0x47, 0x64, 0x47, 0x56, 0x7a, 0x64, 0x47,
+    0x4e, 0x68, 0x4d, 0x42, 0x34, 0x58, 0x44, 0x54, 0x45, 0x30, 0x4d, 0x44,
+    0x63, 0x78, 0x4e, 0x7a, 0x49, 0x7a, 0x4e, 0x54, 0x59, 0x77, 0x4d, 0x6c,
+    0x6f, 0x58, 0x44, 0x54, 0x49, 0x30, 0x4d, 0x44, 0x63, 0x78, 0x4e, 0x44,
+    0x49, 0x7a, 0x4e, 0x54, 0x59, 0x77, 0x0a, 0x4d, 0x6c, 0x6f, 0x77, 0x57,
+    0x6a, 0x45, 0x4c, 0x4d, 0x41, 0x6b, 0x47, 0x41, 0x31, 0x55, 0x45, 0x42,
+    0x68, 0x4d, 0x43, 0x51, 0x56, 0x55, 0x78, 0x45, 0x7a, 0x41, 0x52, 0x42,
+    0x67, 0x4e, 0x56, 0x42, 0x41, 0x67, 0x4d, 0x43, 0x6c, 0x4e, 0x76, 0x62,
+    0x57, 0x55, 0x74, 0x55, 0x33, 0x52, 0x68, 0x64, 0x47, 0x55, 0x78, 0x49,
+    0x54, 0x41, 0x66, 0x42, 0x67, 0x4e, 0x56, 0x42, 0x41, 0x6f, 0x4d, 0x0a,
+    0x47, 0x45, 0x6c, 0x75, 0x64, 0x47, 0x56, 0x79, 0x62, 0x6d, 0x56, 0x30,
+    0x49, 0x46, 0x64, 0x70, 0x5a, 0x47, 0x64, 0x70, 0x64, 0x48, 0x4d, 0x67,
+    0x55, 0x48, 0x52, 0x35, 0x49, 0x45, 0x78, 0x30, 0x5a, 0x44, 0x45, 0x54,
+    0x4d, 0x42, 0x45, 0x47, 0x41, 0x31, 0x55, 0x45, 0x41, 0x77, 0x77, 0x4b,
+    0x64, 0x47, 0x56, 0x7a, 0x64, 0x47, 0x4e, 0x73, 0x61, 0x57, 0x56, 0x75,
+    0x64, 0x44, 0x43, 0x42, 0x0a, 0x6e, 0x7a, 0x41, 0x4e, 0x42, 0x67, 0x6b,
+    0x71, 0x68, 0x6b, 0x69, 0x47, 0x39, 0x77, 0x30, 0x42, 0x41, 0x51, 0x45,
+    0x46, 0x41, 0x41, 0x4f, 0x42, 0x6a, 0x51, 0x41, 0x77, 0x67, 0x59, 0x6b,
+    0x43, 0x67, 0x59, 0x45, 0x41, 0x37, 0x46, 0x52, 0x48, 0x32, 0x36, 0x47,
+    0x2b, 0x46, 0x74, 0x35, 0x56, 0x51, 0x67, 0x79, 0x7a, 0x6c, 0x5a, 0x73,
+    0x66, 0x53, 0x6e, 0x48, 0x53, 0x5a, 0x36, 0x47, 0x58, 0x0a, 0x62, 0x37,
+    0x71, 0x78, 0x6d, 0x6b, 0x32, 0x50, 0x4f, 0x38, 0x54, 0x59, 0x71, 0x4b,
+    0x5a, 0x6d, 0x6b, 0x66, 0x4d, 0x77, 0x6b, 0x65, 0x36, 0x52, 0x55, 0x66,
+    0x51, 0x56, 0x2b, 0x53, 0x2b, 0x47, 0x7a, 0x52, 0x76, 0x7a, 0x35, 0x4c,
+    0x6c, 0x53, 0x33, 0x31, 0x55, 0x31, 0x51, 0x43, 0x70, 0x33, 0x63, 0x67,
+    0x77, 0x6b, 0x49, 0x49, 0x41, 0x51, 0x61, 0x31, 0x45, 0x32, 0x68, 0x43,
+    0x45, 0x7a, 0x0a, 0x57, 0x33, 0x31, 0x69, 0x76, 0x62, 0x4d, 0x42, 0x79,
+    0x52, 0x4b, 0x39, 0x74, 0x46, 0x70, 0x79, 0x6e, 0x34, 0x55, 0x76, 0x38,
+    0x4b, 0x50, 0x31, 0x34, 0x4f, 0x62, 0x4b, 0x6a, 0x54, 0x51, 0x71, 0x78,
+    0x55, 0x5a, 0x70, 0x35, 0x35, 0x38, 0x44, 0x67, 0x4f, 0x48, 0x67, 0x35,
+    0x62, 0x35, 0x6d, 0x47, 0x52, 0x4d, 0x30, 0x70, 0x79, 0x56, 0x31, 0x65,
+    0x71, 0x52, 0x4b, 0x36, 0x50, 0x57, 0x77, 0x0a, 0x52, 0x2f, 0x62, 0x6a,
+    0x67, 0x6c, 0x6c, 0x69, 0x36, 0x70, 0x6d, 0x6e, 0x72, 0x2b, 0x30, 0x43,
+    0x41, 0x77, 0x45, 0x41, 0x41, 0x54, 0x41, 0x4e, 0x42, 0x67, 0x6b, 0x71,
+    0x68, 0x6b, 0x69, 0x47, 0x39, 0x77, 0x30, 0x42, 0x41, 0x51, 0x55, 0x46,
+    0x41, 0x41, 0x4f, 0x42, 0x67, 0x51, 0x41, 0x53, 0x74, 0x53, 0x6d, 0x35,
+    0x50, 0x4d, 0x37, 0x75, 0x62, 0x52, 0x4f, 0x69, 0x4b, 0x4b, 0x36, 0x2f,
+    0x0a, 0x54, 0x32, 0x46, 0x6b, 0x4b, 0x6c, 0x68, 0x69, 0x54, 0x4f, 0x78,
+    0x2b, 0x52, 0x79, 0x65, 0x6e, 0x6d, 0x33, 0x45, 0x69, 0x6f, 0x35, 0x39,
+    0x65, 0x6d, 0x71, 0x2b, 0x6a, 0x58, 0x6c, 0x2b, 0x31, 0x6e, 0x68, 0x50,
+    0x79, 0x53, 0x58, 0x35, 0x47, 0x32, 0x50, 0x51, 0x7a, 0x53, 0x52, 0x35,
+    0x76, 0x64, 0x31, 0x64, 0x49, 0x68, 0x77, 0x67, 0x5a, 0x53, 0x52, 0x34,
+    0x47, 0x79, 0x74, 0x74, 0x6b, 0x0a, 0x74, 0x52, 0x5a, 0x35, 0x37, 0x6b,
+    0x2f, 0x4e, 0x49, 0x31, 0x62, 0x72, 0x55, 0x57, 0x38, 0x6a, 0x6f, 0x69,
+    0x45, 0x4f, 0x4d, 0x4a, 0x41, 0x2f, 0x4d, 0x72, 0x37, 0x48, 0x37, 0x61,
+    0x73, 0x78, 0x37, 0x77, 0x49, 0x52, 0x59, 0x44, 0x45, 0x39, 0x31, 0x46,
+    0x73, 0x38, 0x47, 0x6b, 0x4b, 0x57, 0x64, 0x35, 0x4c, 0x68, 0x6f, 0x50,
+    0x41, 0x51, 0x6a, 0x2b, 0x71, 0x64, 0x47, 0x33, 0x35, 0x43, 0x0a, 0x4f,
+    0x4f, 0x2b, 0x73, 0x76, 0x64, 0x6b, 0x6d, 0x71, 0x48, 0x30, 0x4b, 0x5a,
+    0x6f, 0x33, 0x32, 0x30, 0x5a, 0x55, 0x71, 0x64, 0x6c, 0x32, 0x6f, 0x6f,
+    0x51, 0x3d, 0x3d, 0x0a, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x45, 0x4e, 0x44,
+    0x20, 0x43, 0x45, 0x52, 0x54, 0x49, 0x46, 0x49, 0x43, 0x41, 0x54, 0x45,
+    0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x0a, 0x00};
+
+const char test_signed_client_key[] = {
+    0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x42, 0x45, 0x47, 0x49, 0x4e, 0x20, 0x50,
+    0x52, 0x49, 0x56, 0x41, 0x54, 0x45, 0x20, 0x4b, 0x45, 0x59, 0x2d, 0x2d,
+    0x2d, 0x2d, 0x2d, 0x0a, 0x4d, 0x49, 0x49, 0x43, 0x65, 0x51, 0x49, 0x42,
+    0x41, 0x44, 0x41, 0x4e, 0x42, 0x67, 0x6b, 0x71, 0x68, 0x6b, 0x69, 0x47,
+    0x39, 0x77, 0x30, 0x42, 0x41, 0x51, 0x45, 0x46, 0x41, 0x41, 0x53, 0x43,
+    0x41, 0x6d, 0x4d, 0x77, 0x67, 0x67, 0x4a, 0x66, 0x41, 0x67, 0x45, 0x41,
+    0x41, 0x6f, 0x47, 0x42, 0x41, 0x4f, 0x78, 0x55, 0x52, 0x39, 0x75, 0x68,
+    0x76, 0x68, 0x62, 0x65, 0x56, 0x55, 0x49, 0x4d, 0x0a, 0x73, 0x35, 0x57,
+    0x62, 0x48, 0x30, 0x70, 0x78, 0x30, 0x6d, 0x65, 0x68, 0x6c, 0x32, 0x2b,
+    0x36, 0x73, 0x5a, 0x70, 0x4e, 0x6a, 0x7a, 0x76, 0x45, 0x32, 0x4b, 0x69,
+    0x6d, 0x5a, 0x70, 0x48, 0x7a, 0x4d, 0x4a, 0x48, 0x75, 0x6b, 0x56, 0x48,
+    0x30, 0x46, 0x66, 0x6b, 0x76, 0x68, 0x73, 0x30, 0x62, 0x38, 0x2b, 0x53,
+    0x35, 0x55, 0x74, 0x39, 0x56, 0x4e, 0x55, 0x41, 0x71, 0x64, 0x33, 0x49,
+    0x4d, 0x0a, 0x4a, 0x43, 0x43, 0x41, 0x45, 0x47, 0x74, 0x52, 0x4e, 0x6f,
+    0x51, 0x68, 0x4d, 0x31, 0x74, 0x39, 0x59, 0x72, 0x32, 0x7a, 0x41, 0x63,
+    0x6b, 0x53, 0x76, 0x62, 0x52, 0x61, 0x63, 0x70, 0x2b, 0x46, 0x4c, 0x2f,
+    0x43, 0x6a, 0x39, 0x65, 0x44, 0x6d, 0x79, 0x6f, 0x30, 0x30, 0x4b, 0x73,
+    0x56, 0x47, 0x61, 0x65, 0x65, 0x66, 0x41, 0x34, 0x44, 0x68, 0x34, 0x4f,
+    0x57, 0x2b, 0x5a, 0x68, 0x6b, 0x54, 0x0a, 0x4e, 0x4b, 0x63, 0x6c, 0x64,
+    0x58, 0x71, 0x6b, 0x53, 0x75, 0x6a, 0x31, 0x73, 0x45, 0x66, 0x32, 0x34,
+    0x34, 0x4a, 0x5a, 0x59, 0x75, 0x71, 0x5a, 0x70, 0x36, 0x2f, 0x74, 0x41,
+    0x67, 0x4d, 0x42, 0x41, 0x41, 0x45, 0x43, 0x67, 0x59, 0x45, 0x41, 0x69,
+    0x32, 0x4e, 0x53, 0x56, 0x71, 0x70, 0x5a, 0x4d, 0x61, 0x66, 0x45, 0x35,
+    0x59, 0x59, 0x55, 0x54, 0x63, 0x4d, 0x47, 0x65, 0x36, 0x51, 0x53, 0x0a,
+    0x6b, 0x32, 0x6a, 0x74, 0x70, 0x73, 0x71, 0x59, 0x67, 0x67, 0x67, 0x49,
+    0x32, 0x52, 0x6e, 0x4c, 0x4a, 0x2f, 0x32, 0x74, 0x4e, 0x5a, 0x77, 0x59,
+    0x49, 0x35, 0x70, 0x77, 0x50, 0x38, 0x51, 0x56, 0x53, 0x62, 0x6e, 0x4d,
+    0x61, 0x69, 0x46, 0x34, 0x67, 0x6f, 0x6b, 0x44, 0x35, 0x68, 0x47, 0x64,
+    0x72, 0x4e, 0x44, 0x66, 0x54, 0x6e, 0x62, 0x32, 0x76, 0x2b, 0x79, 0x49,
+    0x77, 0x59, 0x45, 0x48, 0x0a, 0x30, 0x77, 0x38, 0x2b, 0x6f, 0x47, 0x37,
+    0x5a, 0x38, 0x31, 0x4b, 0x6f, 0x64, 0x73, 0x69, 0x5a, 0x53, 0x49, 0x44,
+    0x4a, 0x66, 0x54, 0x47, 0x73, 0x41, 0x5a, 0x68, 0x56, 0x4e, 0x77, 0x4f,
+    0x7a, 0x39, 0x79, 0x30, 0x56, 0x44, 0x38, 0x42, 0x42, 0x5a, 0x5a, 0x31,
+    0x2f, 0x32, 0x37, 0x34, 0x5a, 0x68, 0x35, 0x32, 0x41, 0x55, 0x4b, 0x4c,
+    0x6a, 0x5a, 0x53, 0x2f, 0x5a, 0x77, 0x49, 0x62, 0x53, 0x0a, 0x57, 0x32,
+    0x79, 0x77, 0x79, 0x61, 0x38, 0x35, 0x35, 0x64, 0x50, 0x6e, 0x48, 0x2f,
+    0x77, 0x6a, 0x2b, 0x30, 0x45, 0x43, 0x51, 0x51, 0x44, 0x39, 0x58, 0x38,
+    0x44, 0x39, 0x32, 0x30, 0x6b, 0x42, 0x79, 0x54, 0x4e, 0x48, 0x68, 0x42,
+    0x47, 0x31, 0x38, 0x62, 0x69, 0x41, 0x45, 0x5a, 0x34, 0x70, 0x78, 0x73,
+    0x39, 0x66, 0x30, 0x4f, 0x41, 0x47, 0x38, 0x33, 0x33, 0x33, 0x65, 0x56,
+    0x63, 0x49, 0x0a, 0x77, 0x32, 0x6c, 0x4a, 0x44, 0x4c, 0x73, 0x59, 0x44,
+    0x5a, 0x72, 0x43, 0x42, 0x32, 0x6f, 0x63, 0x67, 0x41, 0x33, 0x6c, 0x55,
+    0x64, 0x6f, 0x7a, 0x6c, 0x7a, 0x50, 0x43, 0x37, 0x59, 0x44, 0x59, 0x77,
+    0x38, 0x72, 0x65, 0x67, 0x30, 0x74, 0x6b, 0x69, 0x52, 0x59, 0x35, 0x41,
+    0x6b, 0x45, 0x41, 0x37, 0x73, 0x64, 0x4e, 0x7a, 0x4f, 0x65, 0x51, 0x73,
+    0x51, 0x52, 0x6e, 0x37, 0x2b, 0x2b, 0x35, 0x0a, 0x30, 0x62, 0x50, 0x39,
+    0x44, 0x74, 0x54, 0x2f, 0x69, 0x4f, 0x4e, 0x31, 0x67, 0x62, 0x66, 0x78,
+    0x52, 0x7a, 0x43, 0x66, 0x43, 0x66, 0x58, 0x64, 0x6f, 0x4f, 0x74, 0x66,
+    0x51, 0x57, 0x49, 0x7a, 0x54, 0x65, 0x50, 0x57, 0x74, 0x55, 0x52, 0x74,
+    0x39, 0x58, 0x2f, 0x35, 0x44, 0x39, 0x4e, 0x6f, 0x66, 0x49, 0x30, 0x52,
+    0x67, 0x35, 0x57, 0x32, 0x6f, 0x47, 0x79, 0x2f, 0x4d, 0x4c, 0x65, 0x35,
+    0x0a, 0x2f, 0x73, 0x58, 0x48, 0x56, 0x51, 0x4a, 0x42, 0x41, 0x49, 0x75,
+    0x70, 0x35, 0x58, 0x72, 0x4a, 0x44, 0x6b, 0x51, 0x79, 0x77, 0x4e, 0x5a,
+    0x79, 0x41, 0x55, 0x55, 0x32, 0x65, 0x63, 0x6e, 0x32, 0x62, 0x43, 0x57,
+    0x42, 0x46, 0x6a, 0x77, 0x74, 0x71, 0x64, 0x2b, 0x4c, 0x42, 0x6d, 0x75,
+    0x4d, 0x63, 0x69, 0x49, 0x39, 0x66, 0x4f, 0x4b, 0x73, 0x5a, 0x74, 0x45,
+    0x4b, 0x5a, 0x72, 0x7a, 0x2f, 0x0a, 0x55, 0x30, 0x6c, 0x6b, 0x65, 0x4d,
+    0x52, 0x6f, 0x53, 0x77, 0x76, 0x58, 0x45, 0x38, 0x77, 0x6d, 0x47, 0x4c,
+    0x6a, 0x6a, 0x72, 0x41, 0x62, 0x64, 0x66, 0x6f, 0x68, 0x72, 0x58, 0x46,
+    0x6b, 0x43, 0x51, 0x51, 0x44, 0x5a, 0x45, 0x78, 0x2f, 0x4c, 0x74, 0x49,
+    0x6c, 0x36, 0x4a, 0x49, 0x4e, 0x4a, 0x51, 0x69, 0x73, 0x77, 0x56, 0x65,
+    0x30, 0x74, 0x57, 0x72, 0x36, 0x6b, 0x2b, 0x41, 0x53, 0x50, 0x0a, 0x31,
+    0x57, 0x58, 0x6f, 0x54, 0x6d, 0x2b, 0x48, 0x59, 0x70, 0x6f, 0x46, 0x2f,
+    0x58, 0x55, 0x76, 0x76, 0x39, 0x4c, 0x63, 0x63, 0x4e, 0x46, 0x31, 0x49,
+    0x61, 0x7a, 0x46, 0x6a, 0x33, 0x34, 0x68, 0x77, 0x52, 0x51, 0x77, 0x68,
+    0x78, 0x37, 0x77, 0x2f, 0x56, 0x35, 0x32, 0x49, 0x65, 0x62, 0x2b, 0x70,
+    0x30, 0x6a, 0x55, 0x4d, 0x59, 0x47, 0x78, 0x41, 0x6b, 0x45, 0x41, 0x6a,
+    0x44, 0x68, 0x64, 0x0a, 0x39, 0x70, 0x42, 0x4f, 0x31, 0x66, 0x4b, 0x58,
+    0x57, 0x69, 0x58, 0x7a, 0x69, 0x39, 0x5a, 0x4b, 0x66, 0x6f, 0x79, 0x54,
+    0x4e, 0x63, 0x55, 0x71, 0x33, 0x65, 0x42, 0x53, 0x56, 0x4b, 0x77, 0x50,
+    0x47, 0x32, 0x6e, 0x49, 0x74, 0x67, 0x35, 0x79, 0x63, 0x58, 0x65, 0x6e,
+    0x67, 0x6a, 0x54, 0x35, 0x73, 0x67, 0x63, 0x57, 0x44, 0x6e, 0x63, 0x69,
+    0x49, 0x7a, 0x57, 0x37, 0x42, 0x49, 0x56, 0x49, 0x0a, 0x4a, 0x69, 0x71,
+    0x4f, 0x73, 0x7a, 0x71, 0x39, 0x47, 0x57, 0x45, 0x53, 0x45, 0x72, 0x41,
+    0x61, 0x74, 0x67, 0x3d, 0x3d, 0x0a, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x45,
+    0x4e, 0x44, 0x20, 0x50, 0x52, 0x49, 0x56, 0x41, 0x54, 0x45, 0x20, 0x4b,
+    0x45, 0x59, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x0a, 0x00};
diff --git a/test/core/end2end/data/ssl_test_data.h b/test/core/end2end/data/ssl_test_data.h
index 675249dbd514e4f896ce20ca391347165ba385b4..4a64af1e27b3f5caa4b66e2389b9ecab29d699fc 100644
--- a/test/core/end2end/data/ssl_test_data.h
+++ b/test/core/end2end/data/ssl_test_data.h
@@ -37,5 +37,9 @@
 extern const char test_root_cert[];
 extern const char test_server1_cert[];
 extern const char test_server1_key[];
+extern const char test_self_signed_client_cert[];
+extern const char test_self_signed_client_key[];
+extern const char test_signed_client_cert[];
+extern const char test_signed_client_key[];
 
 #endif /* GRPC_TEST_CORE_END2END_DATA_SSL_TEST_DATA_H */
diff --git a/test/core/end2end/dualstack_socket_test.c b/test/core/end2end/dualstack_socket_test.c
index 58e13a4098bd2e9c1c8774d405d22b2668001469..81f76ea79c20886c9f8b1609ef2b6a574ee6eb3d 100644
--- a/test/core/end2end/dualstack_socket_test.c
+++ b/test/core/end2end/dualstack_socket_test.c
@@ -39,9 +39,9 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/string.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/support/string.h"
 
 #include "test/core/end2end/cq_verifier.h"
 #include "test/core/util/port.h"
@@ -168,7 +168,7 @@ void test_connect(const char *server_host, const char *client_host, int port,
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
-  op->flags = 0;
+  op->flags = expect_ok ? GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY : 0;
   op->reserved = NULL;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
@@ -237,7 +237,7 @@ void test_connect(const char *server_host, const char *client_host, int port,
     cq_expect_completion(cqv, tag(1), 1);
     cq_verify(cqv);
 
-    GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
+    GPR_ASSERT(status == GRPC_STATUS_UNAVAILABLE);
   }
 
   grpc_call_destroy(c);
@@ -249,9 +249,9 @@ void test_connect(const char *server_host, const char *client_host, int port,
 
   /* Destroy server. */
   grpc_server_shutdown_and_notify(server, cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(server);
   grpc_completion_queue_shutdown(cq);
   drain_cq(cq);
diff --git a/test/core/end2end/end2end_nosec_tests.c b/test/core/end2end/end2end_nosec_tests.c
index 17dc190d14fac732c7c4afcf148200a2960476c8..b71299c09e0d6277600ef0dde3c12f012d79756c 100644
--- a/test/core/end2end/end2end_nosec_tests.c
+++ b/test/core/end2end/end2end_nosec_tests.c
@@ -1,7 +1,7 @@
 
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,49 +35,137 @@
 /* This file is auto-generated */
 
 #include "test/core/end2end/end2end_tests.h"
+
+#include <stdbool.h>
 #include <string.h>
+
 #include <grpc/support/log.h>
 
+static bool g_pre_init_called = false;
+
 extern void bad_hostname(grpc_end2end_test_config config);
+extern void bad_hostname_pre_init(void);
 extern void binary_metadata(grpc_end2end_test_config config);
+extern void binary_metadata_pre_init(void);
 extern void cancel_after_accept(grpc_end2end_test_config config);
+extern void cancel_after_accept_pre_init(void);
 extern void cancel_after_client_done(grpc_end2end_test_config config);
+extern void cancel_after_client_done_pre_init(void);
 extern void cancel_after_invoke(grpc_end2end_test_config config);
+extern void cancel_after_invoke_pre_init(void);
 extern void cancel_before_invoke(grpc_end2end_test_config config);
+extern void cancel_before_invoke_pre_init(void);
 extern void cancel_in_a_vacuum(grpc_end2end_test_config config);
+extern void cancel_in_a_vacuum_pre_init(void);
 extern void cancel_with_status(grpc_end2end_test_config config);
+extern void cancel_with_status_pre_init(void);
 extern void compressed_payload(grpc_end2end_test_config config);
+extern void compressed_payload_pre_init(void);
 extern void connectivity(grpc_end2end_test_config config);
+extern void connectivity_pre_init(void);
 extern void default_host(grpc_end2end_test_config config);
+extern void default_host_pre_init(void);
 extern void disappearing_server(grpc_end2end_test_config config);
+extern void disappearing_server_pre_init(void);
 extern void empty_batch(grpc_end2end_test_config config);
+extern void empty_batch_pre_init(void);
+extern void filter_causes_close(grpc_end2end_test_config config);
+extern void filter_causes_close_pre_init(void);
 extern void graceful_server_shutdown(grpc_end2end_test_config config);
+extern void graceful_server_shutdown_pre_init(void);
 extern void high_initial_seqno(grpc_end2end_test_config config);
+extern void high_initial_seqno_pre_init(void);
 extern void hpack_size(grpc_end2end_test_config config);
+extern void hpack_size_pre_init(void);
+extern void idempotent_request(grpc_end2end_test_config config);
+extern void idempotent_request_pre_init(void);
 extern void invoke_large_request(grpc_end2end_test_config config);
+extern void invoke_large_request_pre_init(void);
 extern void large_metadata(grpc_end2end_test_config config);
+extern void large_metadata_pre_init(void);
 extern void max_concurrent_streams(grpc_end2end_test_config config);
+extern void max_concurrent_streams_pre_init(void);
 extern void max_message_length(grpc_end2end_test_config config);
+extern void max_message_length_pre_init(void);
 extern void negative_deadline(grpc_end2end_test_config config);
+extern void negative_deadline_pre_init(void);
 extern void no_op(grpc_end2end_test_config config);
+extern void no_op_pre_init(void);
 extern void payload(grpc_end2end_test_config config);
+extern void payload_pre_init(void);
 extern void ping(grpc_end2end_test_config config);
+extern void ping_pre_init(void);
 extern void ping_pong_streaming(grpc_end2end_test_config config);
+extern void ping_pong_streaming_pre_init(void);
 extern void registered_call(grpc_end2end_test_config config);
+extern void registered_call_pre_init(void);
 extern void request_with_flags(grpc_end2end_test_config config);
+extern void request_with_flags_pre_init(void);
 extern void request_with_payload(grpc_end2end_test_config config);
+extern void request_with_payload_pre_init(void);
 extern void server_finishes_request(grpc_end2end_test_config config);
+extern void server_finishes_request_pre_init(void);
 extern void shutdown_finishes_calls(grpc_end2end_test_config config);
+extern void shutdown_finishes_calls_pre_init(void);
 extern void shutdown_finishes_tags(grpc_end2end_test_config config);
+extern void shutdown_finishes_tags_pre_init(void);
 extern void simple_delayed_request(grpc_end2end_test_config config);
+extern void simple_delayed_request_pre_init(void);
 extern void simple_metadata(grpc_end2end_test_config config);
+extern void simple_metadata_pre_init(void);
 extern void simple_request(grpc_end2end_test_config config);
+extern void simple_request_pre_init(void);
 extern void trailing_metadata(grpc_end2end_test_config config);
+extern void trailing_metadata_pre_init(void);
+
+void grpc_end2end_tests_pre_init(void) {
+  GPR_ASSERT(!g_pre_init_called);
+  g_pre_init_called = true;
+  bad_hostname_pre_init();
+  binary_metadata_pre_init();
+  cancel_after_accept_pre_init();
+  cancel_after_client_done_pre_init();
+  cancel_after_invoke_pre_init();
+  cancel_before_invoke_pre_init();
+  cancel_in_a_vacuum_pre_init();
+  cancel_with_status_pre_init();
+  compressed_payload_pre_init();
+  connectivity_pre_init();
+  default_host_pre_init();
+  disappearing_server_pre_init();
+  empty_batch_pre_init();
+  filter_causes_close_pre_init();
+  graceful_server_shutdown_pre_init();
+  high_initial_seqno_pre_init();
+  hpack_size_pre_init();
+  idempotent_request_pre_init();
+  invoke_large_request_pre_init();
+  large_metadata_pre_init();
+  max_concurrent_streams_pre_init();
+  max_message_length_pre_init();
+  negative_deadline_pre_init();
+  no_op_pre_init();
+  payload_pre_init();
+  ping_pre_init();
+  ping_pong_streaming_pre_init();
+  registered_call_pre_init();
+  request_with_flags_pre_init();
+  request_with_payload_pre_init();
+  server_finishes_request_pre_init();
+  shutdown_finishes_calls_pre_init();
+  shutdown_finishes_tags_pre_init();
+  simple_delayed_request_pre_init();
+  simple_metadata_pre_init();
+  simple_request_pre_init();
+  trailing_metadata_pre_init();
+}
 
 void grpc_end2end_tests(int argc, char **argv,
                         grpc_end2end_test_config config) {
   int i;
 
+  GPR_ASSERT(g_pre_init_called);
+
   if (argc <= 1) {
     bad_hostname(config);
     binary_metadata(config);
@@ -92,9 +180,11 @@ void grpc_end2end_tests(int argc, char **argv,
     default_host(config);
     disappearing_server(config);
     empty_batch(config);
+    filter_causes_close(config);
     graceful_server_shutdown(config);
     high_initial_seqno(config);
     hpack_size(config);
+    idempotent_request(config);
     invoke_large_request(config);
     large_metadata(config);
     max_concurrent_streams(config);
@@ -170,6 +260,10 @@ void grpc_end2end_tests(int argc, char **argv,
       empty_batch(config);
       continue;
     }
+    if (0 == strcmp("filter_causes_close", argv[i])) {
+      filter_causes_close(config);
+      continue;
+    }
     if (0 == strcmp("graceful_server_shutdown", argv[i])) {
       graceful_server_shutdown(config);
       continue;
@@ -182,6 +276,10 @@ void grpc_end2end_tests(int argc, char **argv,
       hpack_size(config);
       continue;
     }
+    if (0 == strcmp("idempotent_request", argv[i])) {
+      idempotent_request(config);
+      continue;
+    }
     if (0 == strcmp("invoke_large_request", argv[i])) {
       invoke_large_request(config);
       continue;
diff --git a/test/core/end2end/end2end_tests.c b/test/core/end2end/end2end_tests.c
index 6f2f5aff78c34351c5bff6dcbd274de388bb5a7a..00c9c44a78c63777377b6a8dc0073378fbfb5598 100644
--- a/test/core/end2end/end2end_tests.c
+++ b/test/core/end2end/end2end_tests.c
@@ -1,7 +1,7 @@
 
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,50 +35,140 @@
 /* This file is auto-generated */
 
 #include "test/core/end2end/end2end_tests.h"
+
+#include <stdbool.h>
 #include <string.h>
+
 #include <grpc/support/log.h>
 
+static bool g_pre_init_called = false;
+
 extern void bad_hostname(grpc_end2end_test_config config);
+extern void bad_hostname_pre_init(void);
 extern void binary_metadata(grpc_end2end_test_config config);
+extern void binary_metadata_pre_init(void);
 extern void call_creds(grpc_end2end_test_config config);
+extern void call_creds_pre_init(void);
 extern void cancel_after_accept(grpc_end2end_test_config config);
+extern void cancel_after_accept_pre_init(void);
 extern void cancel_after_client_done(grpc_end2end_test_config config);
+extern void cancel_after_client_done_pre_init(void);
 extern void cancel_after_invoke(grpc_end2end_test_config config);
+extern void cancel_after_invoke_pre_init(void);
 extern void cancel_before_invoke(grpc_end2end_test_config config);
+extern void cancel_before_invoke_pre_init(void);
 extern void cancel_in_a_vacuum(grpc_end2end_test_config config);
+extern void cancel_in_a_vacuum_pre_init(void);
 extern void cancel_with_status(grpc_end2end_test_config config);
+extern void cancel_with_status_pre_init(void);
 extern void compressed_payload(grpc_end2end_test_config config);
+extern void compressed_payload_pre_init(void);
 extern void connectivity(grpc_end2end_test_config config);
+extern void connectivity_pre_init(void);
 extern void default_host(grpc_end2end_test_config config);
+extern void default_host_pre_init(void);
 extern void disappearing_server(grpc_end2end_test_config config);
+extern void disappearing_server_pre_init(void);
 extern void empty_batch(grpc_end2end_test_config config);
+extern void empty_batch_pre_init(void);
+extern void filter_causes_close(grpc_end2end_test_config config);
+extern void filter_causes_close_pre_init(void);
 extern void graceful_server_shutdown(grpc_end2end_test_config config);
+extern void graceful_server_shutdown_pre_init(void);
 extern void high_initial_seqno(grpc_end2end_test_config config);
+extern void high_initial_seqno_pre_init(void);
 extern void hpack_size(grpc_end2end_test_config config);
+extern void hpack_size_pre_init(void);
+extern void idempotent_request(grpc_end2end_test_config config);
+extern void idempotent_request_pre_init(void);
 extern void invoke_large_request(grpc_end2end_test_config config);
+extern void invoke_large_request_pre_init(void);
 extern void large_metadata(grpc_end2end_test_config config);
+extern void large_metadata_pre_init(void);
 extern void max_concurrent_streams(grpc_end2end_test_config config);
+extern void max_concurrent_streams_pre_init(void);
 extern void max_message_length(grpc_end2end_test_config config);
+extern void max_message_length_pre_init(void);
 extern void negative_deadline(grpc_end2end_test_config config);
+extern void negative_deadline_pre_init(void);
 extern void no_op(grpc_end2end_test_config config);
+extern void no_op_pre_init(void);
 extern void payload(grpc_end2end_test_config config);
+extern void payload_pre_init(void);
 extern void ping(grpc_end2end_test_config config);
+extern void ping_pre_init(void);
 extern void ping_pong_streaming(grpc_end2end_test_config config);
+extern void ping_pong_streaming_pre_init(void);
 extern void registered_call(grpc_end2end_test_config config);
+extern void registered_call_pre_init(void);
 extern void request_with_flags(grpc_end2end_test_config config);
+extern void request_with_flags_pre_init(void);
 extern void request_with_payload(grpc_end2end_test_config config);
+extern void request_with_payload_pre_init(void);
 extern void server_finishes_request(grpc_end2end_test_config config);
+extern void server_finishes_request_pre_init(void);
 extern void shutdown_finishes_calls(grpc_end2end_test_config config);
+extern void shutdown_finishes_calls_pre_init(void);
 extern void shutdown_finishes_tags(grpc_end2end_test_config config);
+extern void shutdown_finishes_tags_pre_init(void);
 extern void simple_delayed_request(grpc_end2end_test_config config);
+extern void simple_delayed_request_pre_init(void);
 extern void simple_metadata(grpc_end2end_test_config config);
+extern void simple_metadata_pre_init(void);
 extern void simple_request(grpc_end2end_test_config config);
+extern void simple_request_pre_init(void);
 extern void trailing_metadata(grpc_end2end_test_config config);
+extern void trailing_metadata_pre_init(void);
+
+void grpc_end2end_tests_pre_init(void) {
+  GPR_ASSERT(!g_pre_init_called);
+  g_pre_init_called = true;
+  bad_hostname_pre_init();
+  binary_metadata_pre_init();
+  call_creds_pre_init();
+  cancel_after_accept_pre_init();
+  cancel_after_client_done_pre_init();
+  cancel_after_invoke_pre_init();
+  cancel_before_invoke_pre_init();
+  cancel_in_a_vacuum_pre_init();
+  cancel_with_status_pre_init();
+  compressed_payload_pre_init();
+  connectivity_pre_init();
+  default_host_pre_init();
+  disappearing_server_pre_init();
+  empty_batch_pre_init();
+  filter_causes_close_pre_init();
+  graceful_server_shutdown_pre_init();
+  high_initial_seqno_pre_init();
+  hpack_size_pre_init();
+  idempotent_request_pre_init();
+  invoke_large_request_pre_init();
+  large_metadata_pre_init();
+  max_concurrent_streams_pre_init();
+  max_message_length_pre_init();
+  negative_deadline_pre_init();
+  no_op_pre_init();
+  payload_pre_init();
+  ping_pre_init();
+  ping_pong_streaming_pre_init();
+  registered_call_pre_init();
+  request_with_flags_pre_init();
+  request_with_payload_pre_init();
+  server_finishes_request_pre_init();
+  shutdown_finishes_calls_pre_init();
+  shutdown_finishes_tags_pre_init();
+  simple_delayed_request_pre_init();
+  simple_metadata_pre_init();
+  simple_request_pre_init();
+  trailing_metadata_pre_init();
+}
 
 void grpc_end2end_tests(int argc, char **argv,
                         grpc_end2end_test_config config) {
   int i;
 
+  GPR_ASSERT(g_pre_init_called);
+
   if (argc <= 1) {
     bad_hostname(config);
     binary_metadata(config);
@@ -94,9 +184,11 @@ void grpc_end2end_tests(int argc, char **argv,
     default_host(config);
     disappearing_server(config);
     empty_batch(config);
+    filter_causes_close(config);
     graceful_server_shutdown(config);
     high_initial_seqno(config);
     hpack_size(config);
+    idempotent_request(config);
     invoke_large_request(config);
     large_metadata(config);
     max_concurrent_streams(config);
@@ -176,6 +268,10 @@ void grpc_end2end_tests(int argc, char **argv,
       empty_batch(config);
       continue;
     }
+    if (0 == strcmp("filter_causes_close", argv[i])) {
+      filter_causes_close(config);
+      continue;
+    }
     if (0 == strcmp("graceful_server_shutdown", argv[i])) {
       graceful_server_shutdown(config);
       continue;
@@ -188,6 +284,10 @@ void grpc_end2end_tests(int argc, char **argv,
       hpack_size(config);
       continue;
     }
+    if (0 == strcmp("idempotent_request", argv[i])) {
+      idempotent_request(config);
+      continue;
+    }
     if (0 == strcmp("invoke_large_request", argv[i])) {
       invoke_large_request(config);
       continue;
diff --git a/test/core/end2end/end2end_tests.h b/test/core/end2end/end2end_tests.h
index bc44f43a1785355e3843896f4bcaa4fdf8bc0dda..dfa041c0c64b6cbbe838a7fe2ec9fbc0987886da 100644
--- a/test/core/end2end/end2end_tests.h
+++ b/test/core/end2end/end2end_tests.h
@@ -64,6 +64,7 @@ struct grpc_end2end_test_config {
   void (*tear_down_data)(grpc_end2end_test_fixture *f);
 };
 
+void grpc_end2end_tests_pre_init(void);
 void grpc_end2end_tests(int argc, char **argv, grpc_end2end_test_config config);
 
 #endif /* GRPC_TEST_CORE_END2END_END2END_TESTS_H */
diff --git a/test/core/end2end/fixtures/h2_census.c b/test/core/end2end/fixtures/h2_census.c
index e74c9ae243cb749528392e7a25a4744737dc12b2..ff2f028f096a0ea6c51177be0716075c9824b211 100644
--- a/test/core/end2end/fixtures/h2_census.c
+++ b/test/core/end2end/fixtures/h2_census.c
@@ -35,19 +35,19 @@
 
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -120,6 +120,7 @@ int main(int argc, char **argv) {
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_compress.c b/test/core/end2end/fixtures/h2_compress.c
index fea8a4f7511158491f6088461889e76acef6e424..8f9b7c9cd9a662a3dfab10be1aeee8df6721f8c9 100644
--- a/test/core/end2end/fixtures/h2_compress.c
+++ b/test/core/end2end/fixtures/h2_compress.c
@@ -35,19 +35,19 @@
 
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -124,6 +124,7 @@ int main(int argc, char **argv) {
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_fakesec.c b/test/core/end2end/fixtures/h2_fakesec.c
index 2767f1df4a72a30fdd4cd244a514493b9097940e..246619bf685ebaaa3bd0a35c50615adb4aa0b0d5 100644
--- a/test/core/end2end/fixtures/h2_fakesec.c
+++ b/test/core/end2end/fixtures/h2_fakesec.c
@@ -36,14 +36,14 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/security/credentials.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
-#include "test/core/util/test_config.h"
-#include "test/core/util/port.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/security/credentials.h"
 #include "test/core/end2end/data/ssl_test_data.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 typedef struct fullstack_secure_fixture_data {
   char *localaddr;
@@ -150,7 +150,7 @@ static grpc_end2end_test_config configs[] = {
 int main(int argc, char **argv) {
   size_t i;
   grpc_test_init(argc, argv);
-
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_full+pipe.c b/test/core/end2end/fixtures/h2_full+pipe.c
index 4b935818999516092719661d27a6584d8303cb4e..e7dfc561a1d141ac0a8fba3a111eb629cd10fdf7 100644
--- a/test/core/end2end/fixtures/h2_full+pipe.c
+++ b/test/core/end2end/fixtures/h2_full+pipe.c
@@ -35,21 +35,21 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
-#include "src/core/iomgr/wakeup_fd_posix.h"
 
 typedef struct fullstack_fixture_data {
   char *localaddr;
@@ -108,6 +108,7 @@ int main(int argc, char **argv) {
   grpc_allow_specialized_wakeup_fd = 0;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_full+poll+pipe.c b/test/core/end2end/fixtures/h2_full+poll+pipe.c
deleted file mode 100644
index 682598fbe2dbe7973a8e5c17bfa31126a42ba9b7..0000000000000000000000000000000000000000
--- a/test/core/end2end/fixtures/h2_full+poll+pipe.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "test/core/end2end/end2end_tests.h"
-
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/host_port.h>
-#include <grpc/support/log.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/useful.h>
-
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/iomgr/wakeup_fd_posix.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
-
-typedef struct fullstack_fixture_data {
-  char *localaddr;
-} fullstack_fixture_data;
-
-static grpc_end2end_test_fixture chttp2_create_fixture_fullstack(
-    grpc_channel_args *client_args, grpc_channel_args *server_args) {
-  grpc_end2end_test_fixture f;
-  int port = grpc_pick_unused_port_or_die();
-  fullstack_fixture_data *ffd = gpr_malloc(sizeof(fullstack_fixture_data));
-  memset(&f, 0, sizeof(f));
-
-  gpr_join_host_port(&ffd->localaddr, "localhost", port);
-
-  f.fixture_data = ffd;
-  f.cq = grpc_completion_queue_create(NULL);
-
-  return f;
-}
-
-void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
-}
-
-void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *server_args) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  if (f->server) {
-    grpc_server_destroy(f->server);
-  }
-  f->server = grpc_server_create(server_args, NULL);
-  grpc_server_register_completion_queue(f->server, f->cq, NULL);
-  GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr));
-  grpc_server_start(f->server);
-}
-
-void chttp2_tear_down_fullstack(grpc_end2end_test_fixture *f) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  gpr_free(ffd->localaddr);
-  gpr_free(ffd);
-}
-
-/* All test configurations */
-static grpc_end2end_test_config configs[] = {
-    {"chttp2/fullstack", FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION,
-     chttp2_create_fixture_fullstack, chttp2_init_client_fullstack,
-     chttp2_init_server_fullstack, chttp2_tear_down_fullstack},
-};
-
-int main(int argc, char **argv) {
-  size_t i;
-
-  grpc_allow_specialized_wakeup_fd = 0;
-  grpc_platform_become_multipoller = grpc_poll_become_multipoller;
-
-  grpc_test_init(argc, argv);
-  grpc_init();
-
-  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
-    grpc_end2end_tests(argc, argv, configs[i]);
-  }
-
-  grpc_shutdown();
-
-  return 0;
-}
diff --git a/test/core/end2end/fixtures/h2_full+poll.c b/test/core/end2end/fixtures/h2_full+trace.c
similarity index 80%
rename from test/core/end2end/fixtures/h2_full+poll.c
rename to test/core/end2end/fixtures/h2_full+trace.c
index 5a0b2ef495358095af59d9ed4539a2fd582900e8..c4dc5b9bc173ce7d81a80b24dea31f8d62c5074a 100644
--- a/test/core/end2end/fixtures/h2_full+poll.c
+++ b/test/core/end2end/fixtures/h2_full+trace.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,14 +41,13 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
-
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -75,6 +74,7 @@ void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
                                   grpc_channel_args *client_args) {
   fullstack_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
+  GPR_ASSERT(f->client);
 }
 
 void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f,
@@ -105,11 +105,24 @@ static grpc_end2end_test_config configs[] = {
 int main(int argc, char **argv) {
   size_t i;
 
-  grpc_platform_become_multipoller = grpc_poll_become_multipoller;
+  /* force tracing on, with a value to force many
+     code paths in trace.c to be taken */
+  gpr_setenv("GRPC_TRACE", "doesnt-exist,http,all");
+
+#ifdef GPR_POSIX_SOCKET
+  g_fixture_slowdown_factor = isatty(STDOUT_FILENO) ? 10.0 : 1.0;
+#else
+  g_fixture_slowdown_factor = 10.0;
+#endif
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
+  GPR_ASSERT(0 == grpc_tracer_set_enabled("also-doesnt-exist", 0));
+  GPR_ASSERT(1 == grpc_tracer_set_enabled("http", 1));
+  GPR_ASSERT(1 == grpc_tracer_set_enabled("all", 1));
+
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
     grpc_end2end_tests(argc, argv, configs[i]);
   }
diff --git a/test/core/end2end/fixtures/h2_full.c b/test/core/end2end/fixtures/h2_full.c
index ebaa1c6a2c4157990938bb4156eb674142290d60..4a2f17eb9102d58ff7adef7bed100a3ce3d00550 100644
--- a/test/core/end2end/fixtures/h2_full.c
+++ b/test/core/end2end/fixtures/h2_full.c
@@ -35,18 +35,18 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -105,6 +105,7 @@ int main(int argc, char **argv) {
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_oauth2.c b/test/core/end2end/fixtures/h2_oauth2.c
index e2c82917eff66634e052535d8ac9d5b17c278074..550ff331408932c058d6b1d0fef689c177f308f6 100644
--- a/test/core/end2end/fixtures/h2_oauth2.c
+++ b/test/core/end2end/fixtures/h2_oauth2.c
@@ -36,15 +36,15 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/security/credentials.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
-#include "test/core/util/test_config.h"
-#include "test/core/util/port.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/security/credentials.h"
 #include "test/core/end2end/data/ssl_test_data.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 static const char oauth2_md[] = "Bearer aaslkfjs424535asdf";
 static const char *client_identity_property_name = "smurf_name";
@@ -226,7 +226,7 @@ static grpc_end2end_test_config configs[] = {
 int main(int argc, char **argv) {
   size_t i;
   grpc_test_init(argc, argv);
-
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_proxy.c b/test/core/end2end/fixtures/h2_proxy.c
index 8bcc1b6ee01cd9c1bdf3cd82dba089c9cd8d4e61..863673a4e0120ca931e7fdfcaed0c7ff446cfdf7 100644
--- a/test/core/end2end/fixtures/h2_proxy.c
+++ b/test/core/end2end/fixtures/h2_proxy.c
@@ -35,18 +35,18 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/fixtures/proxy.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
@@ -120,6 +120,7 @@ int main(int argc, char **argv) {
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_sockpair+trace.c b/test/core/end2end/fixtures/h2_sockpair+trace.c
index 511c8b1a46a4753c747cf54d84854c4301426e08..87533a9b7f37ea2ae2ce494f18678e3988139989 100644
--- a/test/core/end2end/fixtures/h2_sockpair+trace.c
+++ b/test/core/end2end/fixtures/h2_sockpair+trace.c
@@ -35,22 +35,22 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/support/env.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -59,11 +59,8 @@
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   grpc_end2end_test_fixture *f = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, f->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, f->server, transport,
                               grpc_server_get_channel_args(f->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -77,17 +74,9 @@ static void client_setup_transport(grpc_exec_ctx *exec_ctx, void *ts,
                                    grpc_transport *transport) {
   sp_client_setup *cs = ts;
 
-  const grpc_channel_filter *filters[] = {&grpc_http_client_filter,
-                                          &grpc_compress_filter,
-                                          &grpc_connected_channel_filter};
-  size_t nfilters = sizeof(filters) / sizeof(*filters);
-  grpc_channel *channel = grpc_channel_create_from_filters(
-      exec_ctx, "socketpair-target", filters, nfilters, cs->client_args, 1);
-
-  cs->f->client = channel;
-
-  grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
-                                        transport);
+  cs->f->client =
+      grpc_channel_create(exec_ctx, "socketpair-target", cs->client_args,
+                          GRPC_CLIENT_DIRECT_CHANNEL, transport);
 }
 
 static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
@@ -126,7 +115,7 @@ static void chttp2_init_server_socketpair(grpc_end2end_test_fixture *f,
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
   GPR_ASSERT(!f->server);
-  f->server = grpc_server_create_from_filters(NULL, 0, server_args);
+  f->server = grpc_server_create(server_args, NULL);
   grpc_server_register_completion_queue(f->server, f->cq, NULL);
   grpc_server_start(f->server);
   transport =
@@ -161,6 +150,7 @@ int main(int argc, char **argv) {
 #endif
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
   grpc_exec_ctx_finish(&exec_ctx);
 
diff --git a/test/core/end2end/fixtures/h2_sockpair.c b/test/core/end2end/fixtures/h2_sockpair.c
index 6b4787b1e52bf973d110c0f730fad2561c0181c6..f28147cf40a99b5e35ddb36d1c040cee551eb43a 100644
--- a/test/core/end2end/fixtures/h2_sockpair.c
+++ b/test/core/end2end/fixtures/h2_sockpair.c
@@ -35,21 +35,21 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -58,11 +58,8 @@
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   grpc_end2end_test_fixture *f = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, f->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, f->server, transport,
                               grpc_server_get_channel_args(f->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -76,17 +73,9 @@ static void client_setup_transport(grpc_exec_ctx *exec_ctx, void *ts,
                                    grpc_transport *transport) {
   sp_client_setup *cs = ts;
 
-  const grpc_channel_filter *filters[] = {&grpc_http_client_filter,
-                                          &grpc_compress_filter,
-                                          &grpc_connected_channel_filter};
-  size_t nfilters = sizeof(filters) / sizeof(*filters);
-  grpc_channel *channel = grpc_channel_create_from_filters(
-      exec_ctx, "socketpair-target", filters, nfilters, cs->client_args, 1);
-
-  cs->f->client = channel;
-
-  grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
-                                        transport);
+  cs->f->client =
+      grpc_channel_create(exec_ctx, "socketpair-target", cs->client_args,
+                          GRPC_CLIENT_DIRECT_CHANNEL, transport);
 }
 
 static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
@@ -125,7 +114,7 @@ static void chttp2_init_server_socketpair(grpc_end2end_test_fixture *f,
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
   GPR_ASSERT(!f->server);
-  f->server = grpc_server_create_from_filters(NULL, 0, server_args);
+  f->server = grpc_server_create(server_args, NULL);
   grpc_server_register_completion_queue(f->server, f->cq, NULL);
   grpc_server_start(f->server);
   transport =
@@ -150,6 +139,7 @@ int main(int argc, char **argv) {
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_sockpair_1byte.c b/test/core/end2end/fixtures/h2_sockpair_1byte.c
index 3ae8e9668327d0dc00b7b4ca6df878e549769708..302b16b372dd2dc037cdad523f8f206f2c30c69f 100644
--- a/test/core/end2end/fixtures/h2_sockpair_1byte.c
+++ b/test/core/end2end/fixtures/h2_sockpair_1byte.c
@@ -35,21 +35,21 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -58,11 +58,8 @@
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   grpc_end2end_test_fixture *f = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, f->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, f->server, transport,
                               grpc_server_get_channel_args(f->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -76,17 +73,9 @@ static void client_setup_transport(grpc_exec_ctx *exec_ctx, void *ts,
                                    grpc_transport *transport) {
   sp_client_setup *cs = ts;
 
-  const grpc_channel_filter *filters[] = {&grpc_http_client_filter,
-                                          &grpc_compress_filter,
-                                          &grpc_connected_channel_filter};
-  size_t nfilters = sizeof(filters) / sizeof(*filters);
-  grpc_channel *channel = grpc_channel_create_from_filters(
-      exec_ctx, "socketpair-target", filters, nfilters, cs->client_args, 1);
-
-  cs->f->client = channel;
-
-  grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
-                                        transport);
+  cs->f->client =
+      grpc_channel_create(exec_ctx, "socketpair-target", cs->client_args,
+                          GRPC_CLIENT_DIRECT_CHANNEL, transport);
 }
 
 static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
@@ -125,7 +114,7 @@ static void chttp2_init_server_socketpair(grpc_end2end_test_fixture *f,
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
   GPR_ASSERT(!f->server);
-  f->server = grpc_server_create_from_filters(NULL, 0, server_args);
+  f->server = grpc_server_create(server_args, NULL);
   grpc_server_register_completion_queue(f->server, f->cq, NULL);
   grpc_server_start(f->server);
   transport =
@@ -150,6 +139,7 @@ int main(int argc, char **argv) {
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_ssl+poll.c b/test/core/end2end/fixtures/h2_ssl+poll.c
deleted file mode 100644
index 66268c77d588f9e7be7f36ed24d3e9bb76107c38..0000000000000000000000000000000000000000
--- a/test/core/end2end/fixtures/h2_ssl+poll.c
+++ /dev/null
@@ -1,194 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "test/core/end2end/end2end_tests.h"
-
-#include <stdio.h>
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/host_port.h>
-#include <grpc/support/log.h>
-
-#include "src/core/channel/channel_args.h"
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/env.h"
-#include "src/core/support/tmpfile.h"
-#include "src/core/support/string.h"
-#include "test/core/end2end/data/ssl_test_data.h"
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
-
-typedef struct fullstack_secure_fixture_data {
-  char *localaddr;
-} fullstack_secure_fixture_data;
-
-static grpc_end2end_test_fixture chttp2_create_fixture_secure_fullstack(
-    grpc_channel_args *client_args, grpc_channel_args *server_args) {
-  grpc_end2end_test_fixture f;
-  int port = grpc_pick_unused_port_or_die();
-  fullstack_secure_fixture_data *ffd =
-      gpr_malloc(sizeof(fullstack_secure_fixture_data));
-  memset(&f, 0, sizeof(f));
-
-  gpr_join_host_port(&ffd->localaddr, "localhost", port);
-
-  f.fixture_data = ffd;
-  f.cq = grpc_completion_queue_create(NULL);
-
-  return f;
-}
-
-static void process_auth_failure(void *state, grpc_auth_context *ctx,
-                                 const grpc_metadata *md, size_t md_count,
-                                 grpc_process_auth_metadata_done_cb cb,
-                                 void *user_data) {
-  GPR_ASSERT(state == NULL);
-  cb(user_data, NULL, 0, NULL, 0, GRPC_STATUS_UNAUTHENTICATED, NULL);
-}
-
-static void chttp2_init_client_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
-    grpc_channel_credentials *creds) {
-  fullstack_secure_fixture_data *ffd = f->fixture_data;
-  f->client =
-      grpc_secure_channel_create(creds, ffd->localaddr, client_args, NULL);
-  GPR_ASSERT(f->client != NULL);
-  grpc_channel_credentials_release(creds);
-}
-
-static void chttp2_init_server_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *server_args,
-    grpc_server_credentials *server_creds) {
-  fullstack_secure_fixture_data *ffd = f->fixture_data;
-  if (f->server) {
-    grpc_server_destroy(f->server);
-  }
-  f->server = grpc_server_create(server_args, NULL);
-  grpc_server_register_completion_queue(f->server, f->cq, NULL);
-  GPR_ASSERT(grpc_server_add_secure_http2_port(f->server, ffd->localaddr,
-                                               server_creds));
-  grpc_server_credentials_release(server_creds);
-  grpc_server_start(f->server);
-}
-
-void chttp2_tear_down_secure_fullstack(grpc_end2end_test_fixture *f) {
-  fullstack_secure_fixture_data *ffd = f->fixture_data;
-  gpr_free(ffd->localaddr);
-  gpr_free(ffd);
-}
-
-static void chttp2_init_client_simple_ssl_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
-  grpc_channel_credentials *ssl_creds =
-      grpc_ssl_credentials_create(NULL, NULL, NULL);
-  grpc_arg ssl_name_override = {GRPC_ARG_STRING,
-                                GRPC_SSL_TARGET_NAME_OVERRIDE_ARG,
-                                {"foo.test.google.fr"}};
-  grpc_channel_args *new_client_args =
-      grpc_channel_args_copy_and_add(client_args, &ssl_name_override, 1);
-  chttp2_init_client_secure_fullstack(f, new_client_args, ssl_creds);
-  grpc_channel_args_destroy(new_client_args);
-}
-
-static int fail_server_auth_check(grpc_channel_args *server_args) {
-  size_t i;
-  if (server_args == NULL) return 0;
-  for (i = 0; i < server_args->num_args; i++) {
-    if (strcmp(server_args->args[i].key, FAIL_AUTH_CHECK_SERVER_ARG_NAME) ==
-        0) {
-      return 1;
-    }
-  }
-  return 0;
-}
-
-static void chttp2_init_server_simple_ssl_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *server_args) {
-  grpc_ssl_pem_key_cert_pair pem_cert_key_pair = {test_server1_key,
-                                                  test_server1_cert};
-  grpc_server_credentials *ssl_creds =
-      grpc_ssl_server_credentials_create(NULL, &pem_cert_key_pair, 1, 0, NULL);
-  if (fail_server_auth_check(server_args)) {
-    grpc_auth_metadata_processor processor = {process_auth_failure, NULL, NULL};
-    grpc_server_credentials_set_auth_metadata_processor(ssl_creds, processor);
-  }
-  chttp2_init_server_secure_fullstack(f, server_args, ssl_creds);
-}
-
-/* All test configurations */
-
-static grpc_end2end_test_config configs[] = {
-    {"chttp2/simple_ssl_fullstack",
-     FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION |
-         FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS,
-     chttp2_create_fixture_secure_fullstack,
-     chttp2_init_client_simple_ssl_secure_fullstack,
-     chttp2_init_server_simple_ssl_secure_fullstack,
-     chttp2_tear_down_secure_fullstack},
-};
-
-int main(int argc, char **argv) {
-  size_t i;
-  FILE *roots_file;
-  size_t roots_size = strlen(test_root_cert);
-  char *roots_filename;
-
-  grpc_platform_become_multipoller = grpc_poll_become_multipoller;
-
-  grpc_test_init(argc, argv);
-
-  /* Set the SSL roots env var. */
-  roots_file = gpr_tmpfile("chttp2_simple_ssl_with_poll_fullstack_test",
-                           &roots_filename);
-  GPR_ASSERT(roots_filename != NULL);
-  GPR_ASSERT(roots_file != NULL);
-  GPR_ASSERT(fwrite(test_root_cert, 1, roots_size, roots_file) == roots_size);
-  fclose(roots_file);
-  gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, roots_filename);
-
-  grpc_init();
-
-  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
-    grpc_end2end_tests(argc, argv, configs[i]);
-  }
-
-  grpc_shutdown();
-
-  /* Cleanup. */
-  remove(roots_filename);
-  gpr_free(roots_filename);
-
-  return 0;
-}
diff --git a/test/core/end2end/fixtures/h2_ssl.c b/test/core/end2end/fixtures/h2_ssl.c
index e21a3477df27eea706795392d79bf3ab170ccfec..69f761607461d2ca876c4a88a6afc6d6ffc9a9a5 100644
--- a/test/core/end2end/fixtures/h2_ssl.c
+++ b/test/core/end2end/fixtures/h2_ssl.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,11 +40,11 @@
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/env.h"
-#include "src/core/support/tmpfile.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
@@ -165,6 +165,7 @@ int main(int argc, char **argv) {
   char *roots_filename;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
 
   /* Set the SSL roots env var. */
   roots_file = gpr_tmpfile("chttp2_simple_ssl_fullstack_test", &roots_filename);
diff --git a/test/core/end2end/fixtures/h2_ssl_cert.c b/test/core/end2end/fixtures/h2_ssl_cert.c
new file mode 100644
index 0000000000000000000000000000000000000000..cd031ca4826993ffe4f0fa8b27beef7440e0bfd3
--- /dev/null
+++ b/test/core/end2end/fixtures/h2_ssl_cert.c
@@ -0,0 +1,376 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/host_port.h>
+#include <grpc/support/log.h>
+
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
+#include "test/core/end2end/cq_verifier.h"
+#include "test/core/end2end/data/ssl_test_data.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
+
+extern void simple_request(grpc_end2end_test_config config);
+
+typedef struct fullstack_secure_fixture_data {
+  char *localaddr;
+} fullstack_secure_fixture_data;
+
+static grpc_end2end_test_fixture chttp2_create_fixture_secure_fullstack(
+    grpc_channel_args *client_args, grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  int port = grpc_pick_unused_port_or_die();
+  fullstack_secure_fixture_data *ffd =
+      gpr_malloc(sizeof(fullstack_secure_fixture_data));
+  memset(&f, 0, sizeof(f));
+
+  gpr_join_host_port(&ffd->localaddr, "localhost", port);
+
+  f.fixture_data = ffd;
+  f.cq = grpc_completion_queue_create(NULL);
+
+  return f;
+}
+
+static void process_auth_failure(void *state, grpc_auth_context *ctx,
+                                 const grpc_metadata *md, size_t md_count,
+                                 grpc_process_auth_metadata_done_cb cb,
+                                 void *user_data) {
+  GPR_ASSERT(state == NULL);
+  cb(user_data, NULL, 0, NULL, 0, GRPC_STATUS_UNAUTHENTICATED, NULL);
+}
+
+static void chttp2_init_client_secure_fullstack(
+    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
+    grpc_channel_credentials *creds) {
+  fullstack_secure_fixture_data *ffd = f->fixture_data;
+  f->client =
+      grpc_secure_channel_create(creds, ffd->localaddr, client_args, NULL);
+  GPR_ASSERT(f->client != NULL);
+  grpc_channel_credentials_release(creds);
+}
+
+static void chttp2_init_server_secure_fullstack(
+    grpc_end2end_test_fixture *f, grpc_channel_args *server_args,
+    grpc_server_credentials *server_creds) {
+  fullstack_secure_fixture_data *ffd = f->fixture_data;
+  if (f->server) {
+    grpc_server_destroy(f->server);
+  }
+  f->server = grpc_server_create(server_args, NULL);
+  grpc_server_register_completion_queue(f->server, f->cq, NULL);
+  GPR_ASSERT(grpc_server_add_secure_http2_port(f->server, ffd->localaddr,
+                                               server_creds));
+  grpc_server_credentials_release(server_creds);
+  grpc_server_start(f->server);
+}
+
+void chttp2_tear_down_secure_fullstack(grpc_end2end_test_fixture *f) {
+  fullstack_secure_fixture_data *ffd = f->fixture_data;
+  gpr_free(ffd->localaddr);
+  gpr_free(ffd);
+}
+
+static int fail_server_auth_check(grpc_channel_args *server_args) {
+  size_t i;
+  if (server_args == NULL) return 0;
+  for (i = 0; i < server_args->num_args; i++) {
+    if (strcmp(server_args->args[i].key, FAIL_AUTH_CHECK_SERVER_ARG_NAME) ==
+        0) {
+      return 1;
+    }
+  }
+  return 0;
+}
+
+#define SERVER_INIT_NAME(REQUEST_TYPE) \
+  chttp2_init_server_simple_ssl_secure_fullstack_##REQUEST_TYPE
+
+#define SERVER_INIT(REQUEST_TYPE)                                           \
+  static void SERVER_INIT_NAME(REQUEST_TYPE)(                               \
+      grpc_end2end_test_fixture * f, grpc_channel_args * server_args) {     \
+    grpc_ssl_pem_key_cert_pair pem_cert_key_pair = {test_server1_key,       \
+                                                    test_server1_cert};     \
+    grpc_server_credentials *ssl_creds =                                    \
+        grpc_ssl_server_credentials_create_ex(                              \
+            test_root_cert, &pem_cert_key_pair, 1, REQUEST_TYPE, NULL);     \
+    if (fail_server_auth_check(server_args)) {                              \
+      grpc_auth_metadata_processor processor = {process_auth_failure, NULL, \
+                                                NULL};                      \
+      grpc_server_credentials_set_auth_metadata_processor(ssl_creds,        \
+                                                          processor);       \
+    }                                                                       \
+    chttp2_init_server_secure_fullstack(f, server_args, ssl_creds);         \
+  }
+
+SERVER_INIT(GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE);
+SERVER_INIT(GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY);
+SERVER_INIT(GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY);
+SERVER_INIT(GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY);
+SERVER_INIT(GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY);
+
+#define CLIENT_INIT_NAME(cert_type) \
+  chttp2_init_client_simple_ssl_secure_fullstack_##cert_type
+
+typedef enum { NONE, SELF_SIGNED, SIGNED, BAD_CERT_PAIR } certtype;
+
+#define CLIENT_INIT(cert_type)                                               \
+  static void CLIENT_INIT_NAME(cert_type)(grpc_end2end_test_fixture * f,     \
+                                          grpc_channel_args * client_args) { \
+    grpc_channel_credentials *ssl_creds = NULL;                              \
+    grpc_ssl_pem_key_cert_pair self_signed_client_key_cert_pair = {          \
+        test_self_signed_client_key, test_self_signed_client_cert};          \
+    grpc_ssl_pem_key_cert_pair signed_client_key_cert_pair = {               \
+        test_signed_client_key, test_signed_client_cert};                    \
+    grpc_ssl_pem_key_cert_pair bad_client_key_cert_pair = {                  \
+        test_self_signed_client_key, test_signed_client_cert};               \
+    grpc_ssl_pem_key_cert_pair *key_cert_pair = NULL;                        \
+    switch (cert_type) {                                                     \
+      case SELF_SIGNED:                                                      \
+        key_cert_pair = &self_signed_client_key_cert_pair;                   \
+        break;                                                               \
+      case SIGNED:                                                           \
+        key_cert_pair = &signed_client_key_cert_pair;                        \
+        break;                                                               \
+      case BAD_CERT_PAIR:                                                    \
+        key_cert_pair = &bad_client_key_cert_pair;                           \
+        break;                                                               \
+      default:                                                               \
+        break;                                                               \
+    }                                                                        \
+    ssl_creds =                                                              \
+        grpc_ssl_credentials_create(test_root_cert, key_cert_pair, NULL);    \
+    grpc_arg ssl_name_override = {GRPC_ARG_STRING,                           \
+                                  GRPC_SSL_TARGET_NAME_OVERRIDE_ARG,         \
+                                  {"foo.test.google.fr"}};                   \
+    grpc_channel_args *new_client_args =                                     \
+        grpc_channel_args_copy_and_add(client_args, &ssl_name_override, 1);  \
+    chttp2_init_client_secure_fullstack(f, new_client_args, ssl_creds);      \
+    grpc_channel_args_destroy(new_client_args);                              \
+  }
+
+CLIENT_INIT(NONE);
+CLIENT_INIT(SELF_SIGNED);
+CLIENT_INIT(SIGNED);
+CLIENT_INIT(BAD_CERT_PAIR);
+
+#define TEST_NAME(enum_name, cert_type, result) \
+  "chttp2/ssl_" #enum_name "_" #cert_type "_" #result "_"
+
+typedef enum { SUCCESS, FAIL } test_result;
+
+#define SSL_TEST(request_type, cert_type, result)                         \
+  {                                                                       \
+    {TEST_NAME(request_type, cert_type, result),                          \
+     FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION |                           \
+         FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS,                      \
+     chttp2_create_fixture_secure_fullstack, CLIENT_INIT_NAME(cert_type), \
+     SERVER_INIT_NAME(request_type), chttp2_tear_down_secure_fullstack},  \
+        result                                                            \
+  }
+
+/* All test configurations */
+typedef struct grpc_end2end_test_config_wrapper {
+  grpc_end2end_test_config config;
+  test_result result;
+} grpc_end2end_test_config_wrapper;
+
+static grpc_end2end_test_config_wrapper configs[] = {
+    SSL_TEST(GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE, NONE, SUCCESS),
+    SSL_TEST(GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE, SELF_SIGNED, SUCCESS),
+    SSL_TEST(GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE, SIGNED, SUCCESS),
+    SSL_TEST(GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE, BAD_CERT_PAIR, FAIL),
+
+    SSL_TEST(GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY, NONE,
+             SUCCESS),
+    SSL_TEST(GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY, SELF_SIGNED,
+             SUCCESS),
+    SSL_TEST(GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY, SIGNED,
+             SUCCESS),
+    SSL_TEST(GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY, BAD_CERT_PAIR,
+             FAIL),
+
+    SSL_TEST(GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY, NONE, SUCCESS),
+    SSL_TEST(GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY, SELF_SIGNED, FAIL),
+    SSL_TEST(GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY, SIGNED, SUCCESS),
+    SSL_TEST(GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY, BAD_CERT_PAIR,
+             FAIL),
+
+    SSL_TEST(GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY,
+             NONE, FAIL),
+    SSL_TEST(GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY,
+             SELF_SIGNED, SUCCESS),
+    SSL_TEST(GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY,
+             SIGNED, SUCCESS),
+    SSL_TEST(GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY,
+             BAD_CERT_PAIR, FAIL),
+
+    SSL_TEST(GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY, NONE,
+             FAIL),
+    SSL_TEST(GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY,
+             SELF_SIGNED, FAIL),
+    SSL_TEST(GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY, SIGNED,
+             SUCCESS),
+    SSL_TEST(GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY,
+             BAD_CERT_PAIR, FAIL),
+};
+
+static void *tag(intptr_t t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_server(&f, server_args);
+  config.init_client(&f, client_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL);
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->cq);
+  drain_cq(f->cq);
+  grpc_completion_queue_destroy(f->cq);
+}
+
+static void simple_request_body(grpc_end2end_test_fixture f,
+                                test_result expected_result) {
+  grpc_call *c;
+  gpr_timespec deadline = five_seconds_time();
+  cq_verifier *cqv = cq_verifier_create(f.cq);
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_call_error error;
+
+  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
+                               "/foo", "foo.test.google.fr:1234", deadline,
+                               NULL);
+  GPR_ASSERT(c);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  cq_expect_completion(cqv, tag(1), expected_result == SUCCESS);
+  cq_verify(cqv);
+
+  grpc_call_destroy(c);
+  cq_verifier_destroy(cqv);
+}
+
+int main(int argc, char **argv) {
+  size_t i;
+  FILE *roots_file;
+  size_t roots_size = strlen(test_root_cert);
+  char *roots_filename;
+
+  grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
+
+  /* Set the SSL roots env var. */
+  roots_file =
+      gpr_tmpfile("chttp2_simple_ssl_cert_fullstack_test", &roots_filename);
+  GPR_ASSERT(roots_filename != NULL);
+  GPR_ASSERT(roots_file != NULL);
+  GPR_ASSERT(fwrite(test_root_cert, 1, roots_size, roots_file) == roots_size);
+  fclose(roots_file);
+  gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, roots_filename);
+
+  grpc_init();
+
+  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
+    grpc_end2end_test_fixture f =
+        begin_test(configs[i].config, "SSL_CERT_tests", NULL, NULL);
+
+    simple_request_body(f, configs[i].result);
+    end_test(&f);
+    configs[i].config.tear_down_data(&f);
+  }
+
+  grpc_shutdown();
+
+  /* Cleanup. */
+  remove(roots_filename);
+  gpr_free(roots_filename);
+
+  return 0;
+}
diff --git a/test/core/end2end/fixtures/h2_ssl_proxy.c b/test/core/end2end/fixtures/h2_ssl_proxy.c
index 6340d3f4033ebeaa99378850ca9ba9216b388374..1403b760f5056251a0386fe06ddded3887ce4f77 100644
--- a/test/core/end2end/fixtures/h2_ssl_proxy.c
+++ b/test/core/end2end/fixtures/h2_ssl_proxy.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,11 +40,11 @@
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/env.h"
-#include "src/core/support/tmpfile.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 #include "test/core/end2end/fixtures/proxy.h"
 #include "test/core/util/port.h"
@@ -195,6 +195,7 @@ int main(int argc, char **argv) {
   char *roots_filename;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
 
   /* Set the SSL roots env var. */
   roots_file = gpr_tmpfile("chttp2_simple_ssl_fullstack_test", &roots_filename);
diff --git a/test/core/end2end/fixtures/h2_uchannel.c b/test/core/end2end/fixtures/h2_uchannel.c
deleted file mode 100644
index 87bbd64d09a937b66ab8637647e4b1445a2f16a8..0000000000000000000000000000000000000000
--- a/test/core/end2end/fixtures/h2_uchannel.c
+++ /dev/null
@@ -1,358 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "test/core/end2end/end2end_tests.h"
-
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/host_port.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/useful.h>
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/client_uchannel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/iomgr/tcp_client.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
-
-typedef struct {
-  grpc_connector base;
-  gpr_refcount refs;
-
-  grpc_closure *notify;
-  grpc_connect_in_args args;
-  grpc_connect_out_args *result;
-
-  grpc_endpoint *tcp;
-
-  grpc_closure connected;
-} connector;
-
-static void connector_ref(grpc_connector *con) {
-  connector *c = (connector *)con;
-  gpr_ref(&c->refs);
-}
-
-static void connector_unref(grpc_exec_ctx *exec_ctx, grpc_connector *con) {
-  connector *c = (connector *)con;
-  if (gpr_unref(&c->refs)) {
-    gpr_free(c);
-  }
-}
-
-static void connected(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
-  connector *c = arg;
-  grpc_closure *notify;
-  grpc_endpoint *tcp = c->tcp;
-  if (tcp != NULL) {
-    c->result->transport =
-        grpc_create_chttp2_transport(exec_ctx, c->args.channel_args, tcp, 1);
-    grpc_chttp2_transport_start_reading(exec_ctx, c->result->transport, NULL,
-                                        0);
-    GPR_ASSERT(c->result->transport);
-    c->result->filters = gpr_malloc(sizeof(grpc_channel_filter *));
-    c->result->filters[0] = &grpc_http_client_filter;
-    c->result->num_filters = 1;
-  } else {
-    memset(c->result, 0, sizeof(*c->result));
-  }
-  notify = c->notify;
-  c->notify = NULL;
-  notify->cb(exec_ctx, notify->cb_arg, 1);
-}
-
-static void connector_shutdown(grpc_exec_ctx *exec_ctx, grpc_connector *con) {}
-
-static void connector_connect(grpc_exec_ctx *exec_ctx, grpc_connector *con,
-                              const grpc_connect_in_args *args,
-                              grpc_connect_out_args *result,
-                              grpc_closure *notify) {
-  connector *c = (connector *)con;
-  GPR_ASSERT(c->notify == NULL);
-  GPR_ASSERT(notify->cb);
-  c->notify = notify;
-  c->args = *args;
-  c->result = result;
-  c->tcp = NULL;
-  grpc_closure_init(&c->connected, connected, c);
-  grpc_tcp_client_connect(exec_ctx, &c->connected, &c->tcp,
-                          args->interested_parties, args->addr, args->addr_len,
-                          args->deadline);
-}
-
-static const grpc_connector_vtable connector_vtable = {
-    connector_ref, connector_unref, connector_shutdown, connector_connect};
-
-typedef struct {
-  grpc_subchannel_factory base;
-  gpr_refcount refs;
-  grpc_channel_args *merge_args;
-  grpc_channel *master;
-  grpc_subchannel **sniffed_subchannel;
-} subchannel_factory;
-
-static void subchannel_factory_ref(grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
-  gpr_ref(&f->refs);
-}
-
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
-  if (gpr_unref(&f->refs)) {
-    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master, "subchannel_factory");
-    grpc_channel_args_destroy(f->merge_args);
-    gpr_free(f);
-  }
-}
-
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *scf,
-    grpc_subchannel_args *args) {
-  subchannel_factory *f = (subchannel_factory *)scf;
-  connector *c = gpr_malloc(sizeof(*c));
-  grpc_channel_args *final_args =
-      grpc_channel_args_merge(args->args, f->merge_args);
-  grpc_subchannel *s;
-  memset(c, 0, sizeof(*c));
-  c->base.vtable = &connector_vtable;
-  gpr_ref_init(&c->refs, 1);
-  args->args = final_args;
-  s = grpc_subchannel_create(exec_ctx, &c->base, args);
-  grpc_connector_unref(exec_ctx, &c->base);
-  grpc_channel_args_destroy(final_args);
-  if (*f->sniffed_subchannel) {
-    GRPC_SUBCHANNEL_UNREF(exec_ctx, *f->sniffed_subchannel, "sniffed");
-  }
-  *f->sniffed_subchannel = s;
-  GRPC_SUBCHANNEL_REF(s, "sniffed");
-  return s;
-}
-
-static const grpc_subchannel_factory_vtable test_subchannel_factory_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
-
-/* The evil twin of grpc_insecure_channel_create. It allows the test to use the
- * custom-built sniffing subchannel_factory */
-grpc_channel *channel_create(const char *target, const grpc_channel_args *args,
-                             grpc_subchannel **sniffed_subchannel) {
-  grpc_channel *channel = NULL;
-#define MAX_FILTERS 1
-  const grpc_channel_filter *filters[MAX_FILTERS];
-  grpc_resolver *resolver;
-  subchannel_factory *f;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  size_t n = 0;
-
-  filters[n++] = &grpc_client_channel_filter;
-  GPR_ASSERT(n <= MAX_FILTERS);
-
-  channel =
-      grpc_channel_create_from_filters(&exec_ctx, target, filters, n, args, 1);
-
-  f = gpr_malloc(sizeof(*f));
-  f->sniffed_subchannel = sniffed_subchannel;
-  f->base.vtable = &test_subchannel_factory_vtable;
-  gpr_ref_init(&f->refs, 1);
-  f->merge_args = grpc_channel_args_copy(args);
-  f->master = channel;
-  GRPC_CHANNEL_INTERNAL_REF(f->master, "test_subchannel_factory");
-  resolver = grpc_resolver_create(target, &f->base);
-  if (!resolver) {
-    return NULL;
-  }
-
-  grpc_client_channel_set_resolver(
-      &exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
-  GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_create");
-  grpc_subchannel_factory_unref(&exec_ctx, &f->base);
-
-  grpc_exec_ctx_finish(&exec_ctx);
-
-  return channel;
-}
-
-typedef struct micro_fullstack_fixture_data {
-  char *localaddr;
-  grpc_channel *master_channel;
-  grpc_subchannel *sniffed_subchannel;
-} micro_fullstack_fixture_data;
-
-static grpc_end2end_test_fixture chttp2_create_fixture_micro_fullstack(
-    grpc_channel_args *client_args, grpc_channel_args *server_args) {
-  grpc_end2end_test_fixture f;
-  int port = grpc_pick_unused_port_or_die();
-  micro_fullstack_fixture_data *ffd =
-      gpr_malloc(sizeof(micro_fullstack_fixture_data));
-  memset(&f, 0, sizeof(f));
-  memset(ffd, 0, sizeof(*ffd));
-
-  gpr_join_host_port(&ffd->localaddr, "127.0.0.1", port);
-
-  f.fixture_data = ffd;
-  f.cq = grpc_completion_queue_create(NULL);
-
-  return f;
-}
-
-grpc_connectivity_state g_state = GRPC_CHANNEL_IDLE;
-grpc_pollset_set *g_interested_parties;
-
-static void state_changed(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
-  if (g_state != GRPC_CHANNEL_READY) {
-    grpc_subchannel_notify_on_state_change(
-        exec_ctx, arg, g_interested_parties, &g_state,
-        grpc_closure_create(state_changed, arg));
-  }
-}
-
-static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
-  grpc_pollset_destroy(arg);
-}
-
-static grpc_connected_subchannel *connect_subchannel(grpc_subchannel *c) {
-  gpr_mu *mu;
-  grpc_pollset *pollset = gpr_malloc(grpc_pollset_size());
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_pollset_init(pollset, &mu);
-  g_interested_parties = grpc_pollset_set_create();
-  grpc_pollset_set_add_pollset(&exec_ctx, g_interested_parties, pollset);
-  grpc_subchannel_notify_on_state_change(&exec_ctx, c, g_interested_parties,
-                                         &g_state,
-                                         grpc_closure_create(state_changed, c));
-  grpc_exec_ctx_flush(&exec_ctx);
-  gpr_mu_lock(mu);
-  while (g_state != GRPC_CHANNEL_READY) {
-    grpc_pollset_worker *worker = NULL;
-    grpc_pollset_work(&exec_ctx, pollset, &worker, gpr_now(GPR_CLOCK_MONOTONIC),
-                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
-    gpr_mu_unlock(mu);
-    grpc_exec_ctx_flush(&exec_ctx);
-    gpr_mu_lock(mu);
-  }
-  grpc_pollset_shutdown(&exec_ctx, pollset,
-                        grpc_closure_create(destroy_pollset, pollset));
-  grpc_pollset_set_destroy(g_interested_parties);
-  gpr_mu_unlock(mu);
-  grpc_exec_ctx_finish(&exec_ctx);
-  gpr_free(pollset);
-  return grpc_subchannel_get_connected_subchannel(c);
-}
-
-static void chttp2_init_client_micro_fullstack(grpc_end2end_test_fixture *f,
-                                               grpc_channel_args *client_args) {
-  micro_fullstack_fixture_data *ffd = f->fixture_data;
-  grpc_connectivity_state conn_state;
-  grpc_connected_subchannel *connected;
-  char *ipv4_localaddr;
-
-  gpr_asprintf(&ipv4_localaddr, "ipv4:%s", ffd->localaddr);
-  ffd->master_channel =
-      channel_create(ipv4_localaddr, client_args, &ffd->sniffed_subchannel);
-  gpr_free(ipv4_localaddr);
-  gpr_log(GPR_INFO, "MASTER CHANNEL %p ", ffd->master_channel);
-  /* the following will block. That's ok for this test */
-  conn_state = grpc_channel_check_connectivity_state(ffd->master_channel,
-                                                     1 /* try to connect */);
-  GPR_ASSERT(conn_state == GRPC_CHANNEL_IDLE);
-
-  /* here sniffed_subchannel should be ready to use */
-  GPR_ASSERT(conn_state == GRPC_CHANNEL_IDLE);
-  GPR_ASSERT(ffd->sniffed_subchannel != NULL);
-
-  connected = connect_subchannel(ffd->sniffed_subchannel);
-  f->client = grpc_client_uchannel_create(ffd->sniffed_subchannel, client_args);
-  grpc_client_uchannel_set_connected_subchannel(f->client, connected);
-  gpr_log(GPR_INFO, "CHANNEL WRAPPING SUBCHANNEL: %p(%p)", f->client,
-          ffd->sniffed_subchannel);
-
-  GPR_ASSERT(f->client);
-}
-
-static void chttp2_init_server_micro_fullstack(grpc_end2end_test_fixture *f,
-                                               grpc_channel_args *server_args) {
-  micro_fullstack_fixture_data *ffd = f->fixture_data;
-  if (f->server) {
-    grpc_server_destroy(f->server);
-  }
-  f->server = grpc_server_create(server_args, NULL);
-  grpc_server_register_completion_queue(f->server, f->cq, NULL);
-  GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr));
-  grpc_server_start(f->server);
-}
-
-static void chttp2_tear_down_micro_fullstack(grpc_end2end_test_fixture *f) {
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  micro_fullstack_fixture_data *ffd = f->fixture_data;
-  grpc_channel_destroy(ffd->master_channel);
-  if (ffd->sniffed_subchannel) {
-    GRPC_SUBCHANNEL_UNREF(&exec_ctx, ffd->sniffed_subchannel, "sniffed");
-  }
-  gpr_free(ffd->localaddr);
-  gpr_free(ffd);
-  grpc_exec_ctx_finish(&exec_ctx);
-}
-
-/* All test configurations */
-static grpc_end2end_test_config configs[] = {
-    {"chttp2/micro_fullstack", 0, chttp2_create_fixture_micro_fullstack,
-     chttp2_init_client_micro_fullstack, chttp2_init_server_micro_fullstack,
-     chttp2_tear_down_micro_fullstack},
-};
-
-int main(int argc, char **argv) {
-  size_t i;
-
-  grpc_test_init(argc, argv);
-  grpc_init();
-
-  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
-    grpc_end2end_tests(argc, argv, configs[i]);
-  }
-
-  grpc_shutdown();
-
-  return 0;
-}
diff --git a/test/core/end2end/fixtures/h2_uds+poll.c b/test/core/end2end/fixtures/h2_uds+poll.c
deleted file mode 100644
index c3a855ff883de16bd36636a2349efbaccb38f075..0000000000000000000000000000000000000000
--- a/test/core/end2end/fixtures/h2_uds+poll.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "test/core/end2end/end2end_tests.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/host_port.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/useful.h>
-
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
-
-typedef struct fullstack_fixture_data {
-  char *localaddr;
-} fullstack_fixture_data;
-
-static int unique = 1;
-
-static grpc_end2end_test_fixture chttp2_create_fixture_fullstack(
-    grpc_channel_args *client_args, grpc_channel_args *server_args) {
-  grpc_end2end_test_fixture f;
-  fullstack_fixture_data *ffd = gpr_malloc(sizeof(fullstack_fixture_data));
-  memset(&f, 0, sizeof(f));
-
-  gpr_asprintf(&ffd->localaddr, "unix:/tmp/grpc_fullstack_test.%d.%d", getpid(),
-               unique++);
-
-  f.fixture_data = ffd;
-  f.cq = grpc_completion_queue_create(NULL);
-
-  return f;
-}
-
-void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
-}
-
-void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *server_args) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  if (f->server) {
-    grpc_server_destroy(f->server);
-  }
-  f->server = grpc_server_create(server_args, NULL);
-  grpc_server_register_completion_queue(f->server, f->cq, NULL);
-  GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr));
-  grpc_server_start(f->server);
-}
-
-void chttp2_tear_down_fullstack(grpc_end2end_test_fixture *f) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  gpr_free(ffd->localaddr);
-  gpr_free(ffd);
-}
-
-/* All test configurations */
-static grpc_end2end_test_config configs[] = {
-    {"chttp2/fullstack_uds", FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION,
-     chttp2_create_fixture_fullstack, chttp2_init_client_fullstack,
-     chttp2_init_server_fullstack, chttp2_tear_down_fullstack},
-};
-
-int main(int argc, char **argv) {
-  size_t i;
-
-  grpc_platform_become_multipoller = grpc_poll_become_multipoller;
-
-  grpc_test_init(argc, argv);
-  grpc_init();
-
-  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
-    grpc_end2end_tests(argc, argv, configs[i]);
-  }
-
-  grpc_shutdown();
-
-  return 0;
-}
diff --git a/test/core/end2end/fixtures/h2_uds.c b/test/core/end2end/fixtures/h2_uds.c
index 30928270e51e23b74207a5ad9094484445ef3747..cffbeaf045395547a2a598a8e3d92036fa8ceae3 100644
--- a/test/core/end2end/fixtures/h2_uds.c
+++ b/test/core/end2end/fixtures/h2_uds.c
@@ -37,13 +37,6 @@
 #include <string.h>
 #include <unistd.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
@@ -51,6 +44,13 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -110,6 +110,7 @@ int main(int argc, char **argv) {
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/proxy.c b/test/core/end2end/fixtures/proxy.c
index 434e75dd15ed22b9c3a80708ec91746d1f022cad..a6487a17ac29df4c81100ae5e5e104189ce8bf92 100644
--- a/test/core/end2end/fixtures/proxy.c
+++ b/test/core/end2end/fixtures/proxy.c
@@ -338,10 +338,10 @@ static void on_new_call(void *arg, int success) {
         proxy->new_call_details.deadline, NULL);
     gpr_ref_init(&pc->refs, 1);
 
-    op.flags = 0;
     op.reserved = NULL;
 
     op.op = GRPC_OP_RECV_INITIAL_METADATA;
+    op.flags = 0;
     op.data.recv_initial_metadata = &pc->p2s_initial_metadata;
     refpc(pc, "on_p2s_recv_initial_metadata");
     err = grpc_call_start_batch(
@@ -349,6 +349,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_SEND_INITIAL_METADATA;
+    op.flags = proxy->new_call_details.flags;
     op.data.send_initial_metadata.count = pc->c2p_initial_metadata.count;
     op.data.send_initial_metadata.metadata = pc->c2p_initial_metadata.metadata;
     refpc(pc, "on_p2s_sent_initial_metadata");
@@ -357,6 +358,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_RECV_MESSAGE;
+    op.flags = 0;
     op.data.recv_message = &pc->c2p_msg;
     refpc(pc, "on_c2p_recv_msg");
     err = grpc_call_start_batch(pc->c2p, &op, 1,
@@ -364,6 +366,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_RECV_MESSAGE;
+    op.flags = 0;
     op.data.recv_message = &pc->p2s_msg;
     refpc(pc, "on_p2s_recv_msg");
     err = grpc_call_start_batch(pc->p2s, &op, 1,
@@ -371,6 +374,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+    op.flags = 0;
     op.data.recv_status_on_client.trailing_metadata =
         &pc->p2s_trailing_metadata;
     op.data.recv_status_on_client.status = &pc->p2s_status;
@@ -383,6 +387,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+    op.flags = 0;
     op.data.recv_close_on_server.cancelled = &pc->c2p_server_cancelled;
     refpc(pc, "on_c2p_closed");
     err = grpc_call_start_batch(pc->c2p, &op, 1, new_closure(on_c2p_closed, pc),
diff --git a/test/core/end2end/fuzzers/api_fuzzer.c b/test/core/end2end/fuzzers/api_fuzzer.c
new file mode 100644
index 0000000000000000000000000000000000000000..b133a948ee0a048c2936eccdad2ec2c686c65bb7
--- /dev/null
+++ b/test/core/end2end/fuzzers/api_fuzzer.c
@@ -0,0 +1,896 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <string.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/tcp_client.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/surface/server.h"
+#include "src/core/lib/transport/metadata.h"
+#include "test/core/util/passthru_endpoint.h"
+
+////////////////////////////////////////////////////////////////////////////////
+// logging
+
+static const bool squelch = true;
+
+static void dont_log(gpr_log_func_args *args) {}
+
+////////////////////////////////////////////////////////////////////////////////
+// input_stream: allows easy access to input bytes, and allows reading a little
+//               past the end (avoiding needing to check everywhere)
+
+typedef struct {
+  const uint8_t *cur;
+  const uint8_t *end;
+} input_stream;
+
+static uint8_t next_byte(input_stream *inp) {
+  if (inp->cur == inp->end) {
+    return 0;
+  }
+  return *inp->cur++;
+}
+
+static void end(input_stream *inp) { inp->cur = inp->end; }
+
+static char *read_string(input_stream *inp) {
+  char *str = NULL;
+  size_t cap = 0;
+  size_t sz = 0;
+  char c;
+  do {
+    if (cap == sz) {
+      cap = GPR_MAX(3 * cap / 2, cap + 8);
+      str = gpr_realloc(str, cap);
+    }
+    c = (char)next_byte(inp);
+    str[sz++] = c;
+  } while (c != 0);
+  return str;
+}
+
+static void read_buffer(input_stream *inp, char **buffer, size_t *length) {
+  *length = next_byte(inp);
+  *buffer = gpr_malloc(*length);
+  for (size_t i = 0; i < *length; i++) {
+    (*buffer)[i] = (char)next_byte(inp);
+  }
+}
+
+static uint32_t read_uint22(input_stream *inp) {
+  uint8_t b = next_byte(inp);
+  uint32_t x = b & 0x7f;
+  if (b & 0x80) {
+    x <<= 7;
+    b = next_byte(inp);
+    x |= b & 0x7f;
+    if (b & 0x80) {
+      x <<= 8;
+      x |= next_byte(inp);
+    }
+  }
+  return x;
+}
+
+static uint32_t read_uint32(input_stream *inp) {
+  uint8_t b = next_byte(inp);
+  uint32_t x = b & 0x7f;
+  if (b & 0x80) {
+    x <<= 7;
+    b = next_byte(inp);
+    x |= b & 0x7f;
+    if (b & 0x80) {
+      x <<= 7;
+      b = next_byte(inp);
+      x |= b & 0x7f;
+      if (b & 0x80) {
+        x <<= 7;
+        b = next_byte(inp);
+        x |= b & 0x7f;
+        if (b & 0x80) {
+          x = (x << 4) | (next_byte(inp) & 0x0f);
+        }
+      }
+    }
+  }
+  return x;
+}
+
+static grpc_byte_buffer *read_message(input_stream *inp) {
+  gpr_slice slice = gpr_slice_malloc(read_uint22(inp));
+  memset(GPR_SLICE_START_PTR(slice), 0, GPR_SLICE_LENGTH(slice));
+  grpc_byte_buffer *out = grpc_raw_byte_buffer_create(&slice, 1);
+  gpr_slice_unref(slice);
+  return out;
+}
+
+static int read_int(input_stream *inp) { return (int)read_uint32(inp); }
+
+static grpc_channel_args *read_args(input_stream *inp) {
+  size_t n = next_byte(inp);
+  grpc_arg *args = gpr_malloc(sizeof(*args) * n);
+  for (size_t i = 0; i < n; i++) {
+    bool is_string = next_byte(inp) & 1;
+    args[i].type = is_string ? GRPC_ARG_STRING : GRPC_ARG_INTEGER;
+    args[i].key = read_string(inp);
+    if (is_string) {
+      args[i].value.string = read_string(inp);
+    } else {
+      args[i].value.integer = read_int(inp);
+    }
+  }
+  grpc_channel_args *a = gpr_malloc(sizeof(*a));
+  a->args = args;
+  a->num_args = n;
+  return a;
+}
+
+static bool is_eof(input_stream *inp) { return inp->cur == inp->end; }
+
+////////////////////////////////////////////////////////////////////////////////
+// global state
+
+static gpr_timespec g_now;
+static grpc_server *g_server;
+static grpc_channel *g_channel;
+
+extern gpr_timespec (*gpr_now_impl)(gpr_clock_type clock_type);
+
+static gpr_timespec now_impl(gpr_clock_type clock_type) {
+  GPR_ASSERT(clock_type != GPR_TIMESPAN);
+  return g_now;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// dns resolution
+
+typedef struct addr_req {
+  grpc_timer timer;
+  char *addr;
+  grpc_resolve_cb cb;
+  void *arg;
+} addr_req;
+
+static void finish_resolve(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
+  addr_req *r = arg;
+
+  if (success && 0 == strcmp(r->addr, "server")) {
+    grpc_resolved_addresses *addrs = gpr_malloc(sizeof(*addrs));
+    addrs->naddrs = 1;
+    addrs->addrs = gpr_malloc(sizeof(*addrs->addrs));
+    addrs->addrs[0].len = 0;
+    r->cb(exec_ctx, r->arg, addrs);
+  } else {
+    r->cb(exec_ctx, r->arg, NULL);
+  }
+
+  gpr_free(r->addr);
+  gpr_free(r);
+}
+
+void my_resolve_address(grpc_exec_ctx *exec_ctx, const char *addr,
+                        const char *default_port, grpc_resolve_cb cb,
+                        void *arg) {
+  addr_req *r = gpr_malloc(sizeof(*r));
+  r->addr = gpr_strdup(addr);
+  r->cb = cb;
+  r->arg = arg;
+  grpc_timer_init(exec_ctx, &r->timer,
+                  gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC),
+                               gpr_time_from_seconds(1, GPR_TIMESPAN)),
+                  finish_resolve, r, gpr_now(GPR_CLOCK_MONOTONIC));
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// client connection
+
+// defined in tcp_client_posix.c
+extern void (*grpc_tcp_client_connect_impl)(
+    grpc_exec_ctx *exec_ctx, grpc_closure *closure, grpc_endpoint **ep,
+    grpc_pollset_set *interested_parties, const struct sockaddr *addr,
+    size_t addr_len, gpr_timespec deadline);
+
+static void sched_connect(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
+                          grpc_endpoint **ep, gpr_timespec deadline);
+
+typedef struct {
+  grpc_timer timer;
+  grpc_closure *closure;
+  grpc_endpoint **ep;
+  gpr_timespec deadline;
+} future_connect;
+
+static void do_connect(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
+  future_connect *fc = arg;
+  if (!success) {
+    *fc->ep = NULL;
+    grpc_exec_ctx_enqueue(exec_ctx, fc->closure, false, NULL);
+  } else if (g_server != NULL) {
+    grpc_endpoint *client;
+    grpc_endpoint *server;
+    grpc_passthru_endpoint_create(&client, &server);
+    *fc->ep = client;
+
+    grpc_transport *transport =
+        grpc_create_chttp2_transport(exec_ctx, NULL, server, 0);
+    grpc_server_setup_transport(exec_ctx, g_server, transport, NULL);
+    grpc_chttp2_transport_start_reading(exec_ctx, transport, NULL, 0);
+
+    grpc_exec_ctx_enqueue(exec_ctx, fc->closure, false, NULL);
+  } else {
+    sched_connect(exec_ctx, fc->closure, fc->ep, fc->deadline);
+  }
+  gpr_free(fc);
+}
+
+static void sched_connect(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
+                          grpc_endpoint **ep, gpr_timespec deadline) {
+  if (gpr_time_cmp(deadline, gpr_now(deadline.clock_type)) < 0) {
+    *ep = NULL;
+    grpc_exec_ctx_enqueue(exec_ctx, closure, false, NULL);
+    return;
+  }
+
+  future_connect *fc = gpr_malloc(sizeof(*fc));
+  fc->closure = closure;
+  fc->ep = ep;
+  fc->deadline = deadline;
+  grpc_timer_init(exec_ctx, &fc->timer,
+                  gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC),
+                               gpr_time_from_millis(1, GPR_TIMESPAN)),
+                  do_connect, fc, gpr_now(GPR_CLOCK_MONOTONIC));
+}
+
+static void my_tcp_client_connect(grpc_exec_ctx *exec_ctx,
+                                  grpc_closure *closure, grpc_endpoint **ep,
+                                  grpc_pollset_set *interested_parties,
+                                  const struct sockaddr *addr, size_t addr_len,
+                                  gpr_timespec deadline) {
+  sched_connect(exec_ctx, closure, ep, deadline);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// test driver
+
+typedef struct validator {
+  void (*validate)(void *arg, bool success);
+  void *arg;
+} validator;
+
+static validator *create_validator(void (*validate)(void *arg, bool success),
+                                   void *arg) {
+  validator *v = gpr_malloc(sizeof(*v));
+  v->validate = validate;
+  v->arg = arg;
+  return v;
+}
+
+static void assert_success_and_decrement(void *counter, bool success) {
+  GPR_ASSERT(success);
+  --*(int *)counter;
+}
+
+static void decrement(void *counter, bool success) { --*(int *)counter; }
+
+typedef struct connectivity_watch {
+  int *counter;
+  gpr_timespec deadline;
+} connectivity_watch;
+
+static connectivity_watch *make_connectivity_watch(gpr_timespec s,
+                                                   int *counter) {
+  connectivity_watch *o = gpr_malloc(sizeof(*o));
+  o->deadline = s;
+  o->counter = counter;
+  return o;
+}
+
+static void validate_connectivity_watch(void *p, bool success) {
+  connectivity_watch *w = p;
+  if (!success) {
+    GPR_ASSERT(gpr_time_cmp(gpr_now(w->deadline.clock_type), w->deadline) >= 0);
+  }
+  --*w->counter;
+  gpr_free(w);
+}
+
+static void free_non_null(void *p) {
+  GPR_ASSERT(p != NULL);
+  gpr_free(p);
+}
+
+typedef enum { ROOT, CLIENT, SERVER, PENDING_SERVER } call_state_type;
+
+typedef struct call_state {
+  call_state_type type;
+  grpc_call *call;
+  grpc_byte_buffer *recv_message;
+  grpc_status_code status;
+  grpc_metadata_array recv_initial_metadata;
+  grpc_metadata_array recv_trailing_metadata;
+  char *recv_status_details;
+  size_t recv_status_details_capacity;
+  int cancelled;
+  int pending_ops;
+  grpc_call_details call_details;
+
+  // array of pointers to free later
+  size_t num_to_free;
+  size_t cap_to_free;
+  void **to_free;
+
+  struct call_state *next;
+  struct call_state *prev;
+} call_state;
+
+static call_state *g_active_call;
+
+static call_state *new_call(call_state *sibling, call_state_type type) {
+  call_state *c = gpr_malloc(sizeof(*c));
+  memset(c, 0, sizeof(*c));
+  if (sibling != NULL) {
+    c->next = sibling;
+    c->prev = sibling->prev;
+    c->next->prev = c->prev->next = c;
+  } else {
+    c->next = c->prev = c;
+  }
+  c->type = type;
+  return c;
+}
+
+static call_state *maybe_delete_call_state(call_state *call) {
+  call_state *next = call->next;
+
+  if (call->call != NULL) return next;
+  if (call->pending_ops != 0) return next;
+
+  if (call == g_active_call) {
+    g_active_call = call->next;
+    GPR_ASSERT(call != g_active_call);
+  }
+
+  call->prev->next = call->next;
+  call->next->prev = call->prev;
+  grpc_metadata_array_destroy(&call->recv_initial_metadata);
+  grpc_metadata_array_destroy(&call->recv_trailing_metadata);
+  gpr_free(call->recv_status_details);
+  grpc_call_details_destroy(&call->call_details);
+
+  for (size_t i = 0; i < call->num_to_free; i++) {
+    gpr_free(call->to_free[i]);
+  }
+  gpr_free(call->to_free);
+
+  gpr_free(call);
+
+  return next;
+}
+
+static void add_to_free(call_state *call, void *p) {
+  if (call->num_to_free == call->cap_to_free) {
+    call->cap_to_free = GPR_MAX(8, 2 * call->cap_to_free);
+    call->to_free =
+        gpr_realloc(call->to_free, sizeof(*call->to_free) * call->cap_to_free);
+  }
+  call->to_free[call->num_to_free++] = p;
+}
+
+static void read_metadata(input_stream *inp, size_t *count,
+                          grpc_metadata **metadata, call_state *cs) {
+  *count = next_byte(inp);
+  *metadata = gpr_malloc(*count * sizeof(**metadata));
+  memset(*metadata, 0, *count * sizeof(**metadata));
+  for (size_t i = 0; i < *count; i++) {
+    (*metadata)[i].key = read_string(inp);
+    read_buffer(inp, (char **)&(*metadata)[i].value,
+                &(*metadata)[i].value_length);
+    (*metadata)[i].flags = read_uint32(inp);
+    add_to_free(cs, (void *)(*metadata)[i].key);
+    add_to_free(cs, (void *)(*metadata)[i].value);
+  }
+  add_to_free(cs, *metadata);
+}
+
+static call_state *destroy_call(call_state *call) {
+  grpc_call_destroy(call->call);
+  call->call = NULL;
+  return maybe_delete_call_state(call);
+}
+
+static void finished_request_call(void *csp, bool success) {
+  call_state *cs = csp;
+  GPR_ASSERT(cs->pending_ops > 0);
+  --cs->pending_ops;
+  if (success) {
+    GPR_ASSERT(cs->call != NULL);
+    cs->type = SERVER;
+  } else {
+    maybe_delete_call_state(cs);
+  }
+}
+
+static void finished_batch(void *csp, bool success) {
+  call_state *cs = csp;
+  --cs->pending_ops;
+  maybe_delete_call_state(cs);
+}
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  grpc_test_only_set_metadata_hash_seed(0);
+  if (squelch) gpr_set_log_function(dont_log);
+  input_stream inp = {data, data + size};
+  grpc_resolve_address = my_resolve_address;
+  grpc_tcp_client_connect_impl = my_tcp_client_connect;
+  gpr_now_impl = now_impl;
+  grpc_init();
+
+  GPR_ASSERT(g_channel == NULL);
+  GPR_ASSERT(g_server == NULL);
+
+  bool server_shutdown = false;
+  int pending_server_shutdowns = 0;
+  int pending_channel_watches = 0;
+  int pending_pings = 0;
+
+  g_active_call = new_call(NULL, ROOT);
+
+  grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
+
+  while (!is_eof(&inp) || g_channel != NULL || g_server != NULL ||
+         pending_channel_watches > 0 || pending_pings > 0 ||
+         g_active_call->type != ROOT || g_active_call->next != g_active_call) {
+    if (is_eof(&inp)) {
+      if (g_channel != NULL) {
+        grpc_channel_destroy(g_channel);
+        g_channel = NULL;
+      }
+      if (g_server != NULL) {
+        if (!server_shutdown) {
+          grpc_server_shutdown_and_notify(
+              g_server, cq, create_validator(assert_success_and_decrement,
+                                             &pending_server_shutdowns));
+          server_shutdown = true;
+          pending_server_shutdowns++;
+        } else if (pending_server_shutdowns == 0) {
+          grpc_server_destroy(g_server);
+          g_server = NULL;
+        }
+      }
+      call_state *s = g_active_call;
+      do {
+        if (s->type != PENDING_SERVER && s->call != NULL) {
+          s = destroy_call(s);
+        } else {
+          s = s->next;
+        }
+      } while (s != g_active_call);
+
+      g_now = gpr_time_add(g_now, gpr_time_from_seconds(1, GPR_TIMESPAN));
+    }
+
+    switch (next_byte(&inp)) {
+      // terminate on bad bytes
+      default:
+        end(&inp);
+        break;
+      // tickle completion queue
+      case 0: {
+        grpc_event ev = grpc_completion_queue_next(
+            cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+        switch (ev.type) {
+          case GRPC_OP_COMPLETE: {
+            validator *v = ev.tag;
+            v->validate(v->arg, ev.success);
+            gpr_free(v);
+            break;
+          }
+          case GRPC_QUEUE_TIMEOUT:
+            break;
+          case GRPC_QUEUE_SHUTDOWN:
+            abort();
+            break;
+        }
+        break;
+      }
+      // increment global time
+      case 1: {
+        g_now = gpr_time_add(
+            g_now, gpr_time_from_micros(read_uint32(&inp), GPR_TIMESPAN));
+        break;
+      }
+      // create an insecure channel
+      case 2: {
+        if (g_channel == NULL) {
+          char *target = read_string(&inp);
+          char *target_uri;
+          gpr_asprintf(&target_uri, "dns:%s", target);
+          grpc_channel_args *args = read_args(&inp);
+          g_channel = grpc_insecure_channel_create(target_uri, args, NULL);
+          GPR_ASSERT(g_channel != NULL);
+          grpc_channel_args_destroy(args);
+          gpr_free(target_uri);
+          gpr_free(target);
+        } else {
+          end(&inp);
+        }
+        break;
+      }
+      // destroy a channel
+      case 3: {
+        if (g_channel != NULL) {
+          grpc_channel_destroy(g_channel);
+          g_channel = NULL;
+        } else {
+          end(&inp);
+        }
+        break;
+      }
+      // bring up a server
+      case 4: {
+        if (g_server == NULL) {
+          grpc_channel_args *args = read_args(&inp);
+          g_server = grpc_server_create(args, NULL);
+          GPR_ASSERT(g_server != NULL);
+          grpc_channel_args_destroy(args);
+          grpc_server_register_completion_queue(g_server, cq, NULL);
+          grpc_server_start(g_server);
+          server_shutdown = false;
+          GPR_ASSERT(pending_server_shutdowns == 0);
+        } else {
+          end(&inp);
+        }
+      }
+      // begin server shutdown
+      case 5: {
+        if (g_server != NULL) {
+          grpc_server_shutdown_and_notify(
+              g_server, cq, create_validator(assert_success_and_decrement,
+                                             &pending_server_shutdowns));
+          pending_server_shutdowns++;
+          server_shutdown = true;
+        } else {
+          end(&inp);
+        }
+        break;
+      }
+      // cancel all calls if shutdown
+      case 6: {
+        if (g_server != NULL && server_shutdown) {
+          grpc_server_cancel_all_calls(g_server);
+        } else {
+          end(&inp);
+        }
+        break;
+      }
+      // destroy server
+      case 7: {
+        if (g_server != NULL && server_shutdown &&
+            pending_server_shutdowns == 0) {
+          grpc_server_destroy(g_server);
+          g_server = NULL;
+        } else {
+          end(&inp);
+        }
+        break;
+      }
+      // check connectivity
+      case 8: {
+        if (g_channel != NULL) {
+          uint8_t try_to_connect = next_byte(&inp);
+          if (try_to_connect == 0 || try_to_connect == 1) {
+            grpc_channel_check_connectivity_state(g_channel, try_to_connect);
+          } else {
+            end(&inp);
+          }
+        } else {
+          end(&inp);
+        }
+        break;
+      }
+      // watch connectivity
+      case 9: {
+        if (g_channel != NULL) {
+          grpc_connectivity_state st =
+              grpc_channel_check_connectivity_state(g_channel, 0);
+          if (st != GRPC_CHANNEL_FATAL_FAILURE) {
+            gpr_timespec deadline = gpr_time_add(
+                gpr_now(GPR_CLOCK_REALTIME),
+                gpr_time_from_micros(read_uint32(&inp), GPR_TIMESPAN));
+            grpc_channel_watch_connectivity_state(
+                g_channel, st, deadline, cq,
+                create_validator(validate_connectivity_watch,
+                                 make_connectivity_watch(
+                                     deadline, &pending_channel_watches)));
+            pending_channel_watches++;
+          }
+        } else {
+          end(&inp);
+        }
+        break;
+      }
+      // create a call
+      case 10: {
+        bool ok = true;
+        if (g_channel == NULL) ok = false;
+        grpc_call *parent_call = NULL;
+        if (g_active_call->type != ROOT) {
+          if (g_active_call->call == NULL || g_active_call->type == CLIENT) {
+            end(&inp);
+            break;
+          }
+          parent_call = g_active_call->call;
+        }
+        uint32_t propagation_mask = read_uint32(&inp);
+        char *method = read_string(&inp);
+        char *host = read_string(&inp);
+        gpr_timespec deadline =
+            gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
+                         gpr_time_from_micros(read_uint32(&inp), GPR_TIMESPAN));
+
+        if (ok) {
+          call_state *cs = new_call(g_active_call, CLIENT);
+          cs->call =
+              grpc_channel_create_call(g_channel, parent_call, propagation_mask,
+                                       cq, method, host, deadline, NULL);
+        } else {
+          end(&inp);
+        }
+        gpr_free(method);
+        gpr_free(host);
+        break;
+      }
+      // switch the 'current' call
+      case 11: {
+        g_active_call = g_active_call->next;
+        break;
+      }
+      // queue some ops on a call
+      case 12: {
+        if (g_active_call->type == PENDING_SERVER ||
+            g_active_call->type == ROOT || g_active_call->call == NULL) {
+          end(&inp);
+          break;
+        }
+        size_t num_ops = next_byte(&inp);
+        if (num_ops > 6) {
+          end(&inp);
+          break;
+        }
+        grpc_op *ops = gpr_malloc(sizeof(grpc_op) * num_ops);
+        bool ok = true;
+        size_t i;
+        grpc_op *op;
+        for (i = 0; i < num_ops; i++) {
+          op = &ops[i];
+          switch (next_byte(&inp)) {
+            default:
+              /* invalid value */
+              op->op = (grpc_op_type)-1;
+              ok = false;
+              break;
+            case GRPC_OP_SEND_INITIAL_METADATA:
+              op->op = GRPC_OP_SEND_INITIAL_METADATA;
+              read_metadata(&inp, &op->data.send_initial_metadata.count,
+                            &op->data.send_initial_metadata.metadata,
+                            g_active_call);
+              break;
+            case GRPC_OP_SEND_MESSAGE:
+              op->op = GRPC_OP_SEND_MESSAGE;
+              op->data.send_message = read_message(&inp);
+              break;
+            case GRPC_OP_SEND_CLOSE_FROM_CLIENT:
+              op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+              break;
+            case GRPC_OP_SEND_STATUS_FROM_SERVER:
+              op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
+              read_metadata(
+                  &inp,
+                  &op->data.send_status_from_server.trailing_metadata_count,
+                  &op->data.send_status_from_server.trailing_metadata,
+                  g_active_call);
+              op->data.send_status_from_server.status = next_byte(&inp);
+              op->data.send_status_from_server.status_details =
+                  read_string(&inp);
+              break;
+            case GRPC_OP_RECV_INITIAL_METADATA:
+              op->op = GRPC_OP_RECV_INITIAL_METADATA;
+              op->data.recv_initial_metadata =
+                  &g_active_call->recv_initial_metadata;
+              break;
+            case GRPC_OP_RECV_MESSAGE:
+              op->op = GRPC_OP_RECV_MESSAGE;
+              op->data.recv_message = &g_active_call->recv_message;
+              break;
+            case GRPC_OP_RECV_STATUS_ON_CLIENT:
+              op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+              op->data.recv_status_on_client.status = &g_active_call->status;
+              op->data.recv_status_on_client.trailing_metadata =
+                  &g_active_call->recv_trailing_metadata;
+              op->data.recv_status_on_client.status_details =
+                  &g_active_call->recv_status_details;
+              op->data.recv_status_on_client.status_details_capacity =
+                  &g_active_call->recv_status_details_capacity;
+              break;
+            case GRPC_OP_RECV_CLOSE_ON_SERVER:
+              op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+              op->data.recv_close_on_server.cancelled =
+                  &g_active_call->cancelled;
+              break;
+          }
+          op->reserved = NULL;
+          op->flags = read_uint32(&inp);
+        }
+        if (ok) {
+          validator *v = create_validator(finished_batch, g_active_call);
+          g_active_call->pending_ops++;
+          grpc_call_error error =
+              grpc_call_start_batch(g_active_call->call, ops, num_ops, v, NULL);
+          if (error != GRPC_CALL_OK) {
+            v->validate(v->arg, false);
+            gpr_free(v);
+          }
+        } else {
+          end(&inp);
+        }
+        for (i = 0; i < num_ops; i++) {
+          op = &ops[i];
+          switch (op->op) {
+            case GRPC_OP_SEND_INITIAL_METADATA:
+              break;
+            case GRPC_OP_SEND_MESSAGE:
+              grpc_byte_buffer_destroy(op->data.send_message);
+              break;
+            case GRPC_OP_SEND_STATUS_FROM_SERVER:
+              gpr_free((void *)op->data.send_status_from_server.status_details);
+              break;
+            case GRPC_OP_SEND_CLOSE_FROM_CLIENT:
+            case GRPC_OP_RECV_INITIAL_METADATA:
+            case GRPC_OP_RECV_MESSAGE:
+            case GRPC_OP_RECV_STATUS_ON_CLIENT:
+            case GRPC_OP_RECV_CLOSE_ON_SERVER:
+              break;
+          }
+        }
+        gpr_free(ops);
+
+        break;
+      }
+      // cancel current call
+      case 13: {
+        if (g_active_call->type != ROOT && g_active_call->call != NULL) {
+          grpc_call_cancel(g_active_call->call, NULL);
+        } else {
+          end(&inp);
+        }
+        break;
+      }
+      // get a calls peer
+      case 14: {
+        if (g_active_call->type != ROOT && g_active_call->call != NULL) {
+          free_non_null(grpc_call_get_peer(g_active_call->call));
+        } else {
+          end(&inp);
+        }
+        break;
+      }
+      // get a channels target
+      case 15: {
+        if (g_channel != NULL) {
+          free_non_null(grpc_channel_get_target(g_channel));
+        } else {
+          end(&inp);
+        }
+        break;
+      }
+      // send a ping on a channel
+      case 16: {
+        if (g_channel != NULL) {
+          pending_pings++;
+          grpc_channel_ping(g_channel, cq,
+                            create_validator(decrement, &pending_pings), NULL);
+        } else {
+          end(&inp);
+        }
+        break;
+      }
+      // enable a tracer
+      case 17: {
+        char *tracer = read_string(&inp);
+        grpc_tracer_set_enabled(tracer, 1);
+        gpr_free(tracer);
+        break;
+      }
+      // disable a tracer
+      case 18: {
+        char *tracer = read_string(&inp);
+        grpc_tracer_set_enabled(tracer, 0);
+        gpr_free(tracer);
+        break;
+      }
+      // request a server call
+      case 19: {
+        if (g_server == NULL) {
+          end(&inp);
+          break;
+        }
+        call_state *cs = new_call(g_active_call, PENDING_SERVER);
+        cs->pending_ops++;
+        validator *v = create_validator(finished_request_call, cs);
+        grpc_call_error error =
+            grpc_server_request_call(g_server, &cs->call, &cs->call_details,
+                                     &cs->recv_initial_metadata, cq, cq, v);
+        if (error != GRPC_CALL_OK) {
+          v->validate(v->arg, false);
+          gpr_free(v);
+        }
+        break;
+      }
+      // destroy a call
+      case 20: {
+        if (g_active_call->type != ROOT &&
+            g_active_call->type != PENDING_SERVER &&
+            g_active_call->call != NULL) {
+          destroy_call(g_active_call);
+        } else {
+          end(&inp);
+        }
+        break;
+      }
+    }
+  }
+
+  GPR_ASSERT(g_channel == NULL);
+  GPR_ASSERT(g_server == NULL);
+  GPR_ASSERT(g_active_call->type == ROOT);
+  GPR_ASSERT(g_active_call->next == g_active_call);
+  gpr_free(g_active_call);
+
+  grpc_completion_queue_shutdown(cq);
+  GPR_ASSERT(
+      grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL)
+          .type == GRPC_QUEUE_SHUTDOWN);
+  grpc_completion_queue_destroy(cq);
+
+  grpc_shutdown();
+  return 0;
+}
diff --git a/test/core/end2end/fuzzers/api_fuzzer.dictionary b/test/core/end2end/fuzzers/api_fuzzer.dictionary
new file mode 100644
index 0000000000000000000000000000000000000000..c8dcc56dd15930dc6752cee1d1b3af9380d4ba61
--- /dev/null
+++ b/test/core/end2end/fuzzers/api_fuzzer.dictionary
@@ -0,0 +1,27 @@
+# tracers
+"api\x00"
+"channel\x00"
+"channel_stack_builder\x00"
+"connectivity_state\x00"
+"flowctl\x00"
+"http\x00"
+"http1\x00"
+"round_robin\x00"
+"secure_endpoint\x00"
+"tcp\x00"
+"transport_security\x00"
+
+# channel args
+"\x00grpc.census\x00"
+"\x00grpc.max_concurrent_streams\x00"
+"\x00grpc.max_message_length\x00"
+"\x00grpc.http2.initial_sequence_number\x00"
+"\x00grpc.http2.lookahead_bytes\x00"
+"\x00grpc.http2.hpack_table_size.decoder\x00"
+"\x00grpc.http2.hpack_table_size.encoder\x00"
+"\x01grpc.default_authority\x00"
+"\x01grpc.primary_user_agent\x00"
+"\x01grpc.secondary_user_agent\x00"
+"\x00grpc.max_reconnect_backoff_ms\x00"
+"\x01grpc.ssl_target_name_override\x00"
+
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/00.bin b/test/core/end2end/fuzzers/api_fuzzer_corpus/00.bin
new file mode 100644
index 0000000000000000000000000000000000000000..f76dd238ade08917e6712764a16a22005a50573d
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/00.bin differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/01.bin b/test/core/end2end/fuzzers/api_fuzzer_corpus/01.bin
new file mode 100644
index 0000000000000000000000000000000000000000..6b2aaa7640726588bcd3d57e1de4b1315b7f315e
--- /dev/null
+++ b/test/core/end2end/fuzzers/api_fuzzer_corpus/01.bin
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/0159f564d91869bc07239f5551a493c2845a4524 b/test/core/end2end/fuzzers/api_fuzzer_corpus/0159f564d91869bc07239f5551a493c2845a4524
new file mode 100644
index 0000000000000000000000000000000000000000..fc0942d8beea523fe5fe46d5d6ba4febaef4d94b
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/0159f564d91869bc07239f5551a493c2845a4524 differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/02.bin b/test/core/end2end/fuzzers/api_fuzzer_corpus/02.bin
new file mode 100644
index 0000000000000000000000000000000000000000..25cb955ba23571f6fefd57cecf5f67454210bbc8
--- /dev/null
+++ b/test/core/end2end/fuzzers/api_fuzzer_corpus/02.bin
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/0211f960c2da343c3cde6406e650d73278e01e47 b/test/core/end2end/fuzzers/api_fuzzer_corpus/0211f960c2da343c3cde6406e650d73278e01e47
new file mode 100644
index 0000000000000000000000000000000000000000..1a2c219fc123c2a7e5b45ad61027005257dca89a
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/0211f960c2da343c3cde6406e650d73278e01e47 differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/0236f28708dcc2e044d67ecf93539ce6c33a727a b/test/core/end2end/fuzzers/api_fuzzer_corpus/0236f28708dcc2e044d67ecf93539ce6c33a727a
new file mode 100644
index 0000000000000000000000000000000000000000..3e11c30b0b4c540fdb4c84d71cdc414eb0932977
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/0236f28708dcc2e044d67ecf93539ce6c33a727a differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/02434dcdaca96b9eacee76eb351e99f015eaa05e b/test/core/end2end/fuzzers/api_fuzzer_corpus/02434dcdaca96b9eacee76eb351e99f015eaa05e
new file mode 100644
index 0000000000000000000000000000000000000000..9ba80bd1dc5f1ca90e1fa82043168235d4456588
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/02434dcdaca96b9eacee76eb351e99f015eaa05e differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/03.bin b/test/core/end2end/fuzzers/api_fuzzer_corpus/03.bin
new file mode 100644
index 0000000000000000000000000000000000000000..fc2b5693e00bdbea3f74ac60459b1df43c295356
--- /dev/null
+++ b/test/core/end2end/fuzzers/api_fuzzer_corpus/03.bin
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/0302b90625ac9f61f45b45d043fda23b5472d711 b/test/core/end2end/fuzzers/api_fuzzer_corpus/0302b90625ac9f61f45b45d043fda23b5472d711
new file mode 100644
index 0000000000000000000000000000000000000000..40440812570ec1804bf080bd6d7617352336ec21
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/0302b90625ac9f61f45b45d043fda23b5472d711 differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/04.bin b/test/core/end2end/fuzzers/api_fuzzer_corpus/04.bin
new file mode 100644
index 0000000000000000000000000000000000000000..45a8ca02bfc82ca6f053c14f35bc90a6382b2612
--- /dev/null
+++ b/test/core/end2end/fuzzers/api_fuzzer_corpus/04.bin
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/0433cabb8c28820bda0a6eac35d17d120f1b6865 b/test/core/end2end/fuzzers/api_fuzzer_corpus/0433cabb8c28820bda0a6eac35d17d120f1b6865
new file mode 100644
index 0000000000000000000000000000000000000000..050767999a2d1b797fb15af3f99748df85ccdfb9
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/0433cabb8c28820bda0a6eac35d17d120f1b6865 differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/0452ea591951af85724608917fda16926dad7451 b/test/core/end2end/fuzzers/api_fuzzer_corpus/0452ea591951af85724608917fda16926dad7451
new file mode 100644
index 0000000000000000000000000000000000000000..8803e430b9e95cc069c22a80fa7a347a86c3decb
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/0452ea591951af85724608917fda16926dad7451 differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/0468ab4bf4f7e10b680f43efae4bf9686834d220 b/test/core/end2end/fuzzers/api_fuzzer_corpus/0468ab4bf4f7e10b680f43efae4bf9686834d220
new file mode 100644
index 0000000000000000000000000000000000000000..6bc933444fe255804dbad9f7f4f8b06c5bdc29dc
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/0468ab4bf4f7e10b680f43efae4bf9686834d220 differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/04e01f399f194434b2b724877df64828e8f52c14 b/test/core/end2end/fuzzers/api_fuzzer_corpus/04e01f399f194434b2b724877df64828e8f52c14
new file mode 100644
index 0000000000000000000000000000000000000000..f65526c3d520698faa4b8e0ebd84b37942ae76bc
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/04e01f399f194434b2b724877df64828e8f52c14 differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/05.bin b/test/core/end2end/fuzzers/api_fuzzer_corpus/05.bin
new file mode 100644
index 0000000000000000000000000000000000000000..b0b2b1c8ddb2dd9e025526d2ea88d82854de6be8
--- /dev/null
+++ b/test/core/end2end/fuzzers/api_fuzzer_corpus/05.bin
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/0539bf31b2310091ce30d0123142d63589939105 b/test/core/end2end/fuzzers/api_fuzzer_corpus/0539bf31b2310091ce30d0123142d63589939105
new file mode 100644
index 0000000000000000000000000000000000000000..37bb90ddf418464883d2f67d403df4ff851d38b6
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/0539bf31b2310091ce30d0123142d63589939105 differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/0542a0e5aeb1658cc965724bfced56770569263b b/test/core/end2end/fuzzers/api_fuzzer_corpus/0542a0e5aeb1658cc965724bfced56770569263b
new file mode 100644
index 0000000000000000000000000000000000000000..15ed709aa60099879f6ae8241daf474359744dde
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/0542a0e5aeb1658cc965724bfced56770569263b differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/056e56878b249c7fd0b95576b352ab2f4d46582e b/test/core/end2end/fuzzers/api_fuzzer_corpus/056e56878b249c7fd0b95576b352ab2f4d46582e
new file mode 100644
index 0000000000000000000000000000000000000000..5713da5bbd31348ac3e3a0b9a20fa9a4d5ead05c
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/056e56878b249c7fd0b95576b352ab2f4d46582e differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/05dee1c3847f2bca29bd14ed701ce64999b298b2 b/test/core/end2end/fuzzers/api_fuzzer_corpus/05dee1c3847f2bca29bd14ed701ce64999b298b2
new file mode 100644
index 0000000000000000000000000000000000000000..2f2494d00e5219213e7921688e4c683628fa5fb8
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/05dee1c3847f2bca29bd14ed701ce64999b298b2 differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/06.bin b/test/core/end2end/fuzzers/api_fuzzer_corpus/06.bin
new file mode 100644
index 0000000000000000000000000000000000000000..f8fa5a235408d5c6f2c2844e44cd98c1fa666ac8
--- /dev/null
+++ b/test/core/end2end/fuzzers/api_fuzzer_corpus/06.bin
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/064d3beeef29a647deb1b345426ea7212de71cfe b/test/core/end2end/fuzzers/api_fuzzer_corpus/064d3beeef29a647deb1b345426ea7212de71cfe
new file mode 100644
index 0000000000000000000000000000000000000000..1ca4fad3d71e18c590706474f9b69654713dc331
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/064d3beeef29a647deb1b345426ea7212de71cfe differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/067298a97640cc5e212647864d21bc1fa6bb7e75 b/test/core/end2end/fuzzers/api_fuzzer_corpus/067298a97640cc5e212647864d21bc1fa6bb7e75
new file mode 100644
index 0000000000000000000000000000000000000000..d430eb638742326d15f36f81eb624fd39ef9852b
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/067298a97640cc5e212647864d21bc1fa6bb7e75 differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/07.bin b/test/core/end2end/fuzzers/api_fuzzer_corpus/07.bin
new file mode 100644
index 0000000000000000000000000000000000000000..303e398c82e88040b372475614e4fe2888bcbe56
--- /dev/null
+++ b/test/core/end2end/fuzzers/api_fuzzer_corpus/07.bin
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/070c7005e63abba72c6bc1a0ee6d44e340f2d2be b/test/core/end2end/fuzzers/api_fuzzer_corpus/070c7005e63abba72c6bc1a0ee6d44e340f2d2be
new file mode 100644
index 0000000000000000000000000000000000000000..2ca90497528c900b52ecf0d7ce10dc1f2cd386b5
Binary files /dev/null and b/test/core/end2end/fuzzers/api_fuzzer_corpus/070c7005e63abba72c6bc1a0ee6d44e340f2d2be differ
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/07674d39538e07c29342cb2ee8856bc71fc06638 b/test/core/end2end/fuzzers/api_fuzzer_corpus/07674d39538e07c29342cb2ee8856bc71fc06638
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diff --git a/test/core/end2end/fuzzers/client_fuzzer.c b/test/core/end2end/fuzzers/client_fuzzer.c
new file mode 100644
index 0000000000000000000000000000000000000000..afcf7638f729ae9d157914d85cdd4432368c286d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer.c
@@ -0,0 +1,160 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/surface/channel.h"
+#include "test/core/util/memory_counters.h"
+#include "test/core/util/mock_endpoint.h"
+
+static const bool squelch = true;
+
+static void discard_write(gpr_slice slice) {}
+
+static void *tag(int n) { return (void *)(uintptr_t)n; }
+
+static void dont_log(gpr_log_func_args *args) {}
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  grpc_test_only_set_metadata_hash_seed(0);
+  struct grpc_memory_counters counters;
+  if (squelch) gpr_set_log_function(dont_log);
+  grpc_memory_counters_init();
+  grpc_init();
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+
+  grpc_endpoint *mock_endpoint = grpc_mock_endpoint_create(discard_write);
+
+  grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
+  grpc_transport *transport =
+      grpc_create_chttp2_transport(&exec_ctx, NULL, mock_endpoint, 1);
+  grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL, 0);
+
+  grpc_channel *channel = grpc_channel_create(
+      &exec_ctx, "test-target", NULL, GRPC_CLIENT_DIRECT_CHANNEL, transport);
+  grpc_call *call =
+      grpc_channel_create_call(channel, NULL, 0, cq, "/foo", "localhost",
+                               gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
+
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_byte_buffer *response_payload_recv = NULL;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_metadata_array_init(&trailing_metadata_recv);
+  grpc_status_code status;
+  char *details = NULL;
+  size_t details_capacity = 0;
+
+  grpc_op ops[6];
+  grpc_op *op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_MESSAGE;
+  op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+  op->data.recv_status_on_client.status = &status;
+  op->data.recv_status_on_client.status_details = &details;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  grpc_call_error error =
+      grpc_call_start_batch(call, ops, (size_t)(op - ops), tag(1), NULL);
+  int requested_calls = 1;
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  grpc_mock_endpoint_put_read(
+      &exec_ctx, mock_endpoint,
+      gpr_slice_from_copied_buffer((const char *)data, size));
+
+  grpc_event ev;
+  while (1) {
+    grpc_exec_ctx_flush(&exec_ctx);
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    switch (ev.type) {
+      case GRPC_QUEUE_TIMEOUT:
+        goto done;
+      case GRPC_QUEUE_SHUTDOWN:
+        break;
+      case GRPC_OP_COMPLETE:
+        requested_calls--;
+        break;
+    }
+  }
+
+done:
+  if (requested_calls) {
+    grpc_call_cancel(call, NULL);
+  }
+  for (int i = 0; i < requested_calls; i++) {
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
+  }
+  grpc_completion_queue_shutdown(cq);
+  for (int i = 0; i < requested_calls; i++) {
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    GPR_ASSERT(ev.type == GRPC_QUEUE_SHUTDOWN);
+  }
+  grpc_call_destroy(call);
+  grpc_completion_queue_destroy(cq);
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+  gpr_free(details);
+  grpc_channel_destroy(channel);
+  if (response_payload_recv != NULL) {
+    grpc_byte_buffer_destroy(response_payload_recv);
+  }
+  grpc_shutdown();
+  counters = grpc_memory_counters_snapshot();
+  grpc_memory_counters_destroy();
+  GPR_ASSERT(counters.total_size_relative == 0);
+  return 0;
+}
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/001946397b463a3562c5951f6325069d8a3a2ded b/test/core/end2end/fuzzers/client_fuzzer_corpus/001946397b463a3562c5951f6325069d8a3a2ded
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diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/01c9569f5835a576fc50ea03141662c7ef1aa088 b/test/core/end2end/fuzzers/client_fuzzer_corpus/01c9569f5835a576fc50ea03141662c7ef1aa088
new file mode 100644
index 0000000000000000000000000000000000000000..dea2ff88a0c61c9c80a2a756f250c8d690e51b73
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/01c9569f5835a576fc50ea03141662c7ef1aa088
@@ -0,0 +1 @@
+!�!��NN
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/025215e11687c7d2e0055e5b2b902d08e0436f78 b/test/core/end2end/fuzzers/client_fuzzer_corpus/025215e11687c7d2e0055e5b2b902d08e0436f78
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new file mode 100644
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+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0949f4ac376808482be6ab2dcb18a2ecb08d9a52
@@ -0,0 +1 @@
+!�N
\ No newline at end of file
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+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0dd33527db106a3e84172e8f2189734b00ced4ed
@@ -0,0 +1 @@
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diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/settings_frame_1.bin b/test/core/end2end/fuzzers/client_fuzzer_corpus/settings_frame_1.bin
new file mode 100644
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diff --git a/test/core/end2end/fuzzers/hpack.dictionary b/test/core/end2end/fuzzers/hpack.dictionary
new file mode 100644
index 0000000000000000000000000000000000000000..b081368ff6d85ae1e39ee0d8cb6eff708b4ddaa1
--- /dev/null
+++ b/test/core/end2end/fuzzers/hpack.dictionary
@@ -0,0 +1,170 @@
+# hpack fuzzing dictionary
+"\x010"
+"\x011"
+"\x012"
+"\x03200"
+"\x03204"
+"\x03206"
+"\x03304"
+"\x03400"
+"\x03404"
+"\x03500"
+"\x06accept"
+"\x0Eaccept-charset"
+"\x0Faccept-encoding"
+"\x0Faccept-language"
+"\x0Daccept-ranges"
+"\x1Baccess-control-allow-origin"
+"\x03age"
+"\x05allow"
+"\x10application/grpc"
+"\x0A:authority"
+"\x0Dauthorization"
+"\x0Dcache-control"
+"\x0Acensus-bin"
+"\x11census-binary-bin"
+"\x13content-disposition"
+"\x10content-encoding"
+"\x10content-language"
+"\x0Econtent-length"
+"\x10content-location"
+"\x0Dcontent-range"
+"\x0Ccontent-type"
+"\x06cookie"
+"\x04date"
+"\x07deflate"
+"\x0Cdeflate,gzip"
+"\x00"
+"\x04etag"
+"\x06expect"
+"\x07expires"
+"\x04from"
+"\x03GET"
+"\x04grpc"
+"\x14grpc-accept-encoding"
+"\x0Dgrpc-encoding"
+"\x1Egrpc-internal-encoding-request"
+"\x0Cgrpc-message"
+"\x0Bgrpc-status"
+"\x0Cgrpc-timeout"
+"\x04gzip"
+"\x0Dgzip, deflate"
+"\x04host"
+"\x04http"
+"\x05https"
+"\x08identity"
+"\x10identity,deflate"
+"\x15identity,deflate,gzip"
+"\x0Didentity,gzip"
+"\x08if-match"
+"\x11if-modified-since"
+"\x0Dif-none-match"
+"\x08if-range"
+"\x13if-unmodified-since"
+"\x0Dlast-modified"
+"\x04link"
+"\x08location"
+"\x0Cmax-forwards"
+"\x07:method"
+"\x05:path"
+"\x04POST"
+"\x12proxy-authenticate"
+"\x13proxy-authorization"
+"\x03PUT"
+"\x05range"
+"\x07referer"
+"\x07refresh"
+"\x0Bretry-after"
+"\x07:scheme"
+"\x06server"
+"\x0Aset-cookie"
+"\x01/"
+"\x0B/index.html"
+"\x07:status"
+"\x19strict-transport-security"
+"\x02te"
+"\x08trailers"
+"\x11transfer-encoding"
+"\x0Auser-agent"
+"\x04vary"
+"\x03via"
+"\x10www-authenticate"
+"\x00\x0Eaccept-charset\x00"
+"\x00\x06accept\x00"
+"\x00\x0Faccept-encoding\x00"
+"\x00\x0Faccept-encoding\x0Dgzip, deflate"
+"\x00\x0Faccept-language\x00"
+"\x00\x0Daccept-ranges\x00"
+"\x00\x1Baccess-control-allow-origin\x00"
+"\x00\x03age\x00"
+"\x00\x05allow\x00"
+"\x00\x0A:authority\x00"
+"\x00\x0Dauthorization\x00"
+"\x00\x0Dcache-control\x00"
+"\x00\x13content-disposition\x00"
+"\x00\x10content-encoding\x00"
+"\x00\x10content-language\x00"
+"\x00\x0Econtent-length\x00"
+"\x00\x10content-location\x00"
+"\x00\x0Dcontent-range\x00"
+"\x00\x0Ccontent-type\x10application/grpc"
+"\x00\x0Ccontent-type\x00"
+"\x00\x06cookie\x00"
+"\x00\x04date\x00"
+"\x00\x04etag\x00"
+"\x00\x06expect\x00"
+"\x00\x07expires\x00"
+"\x00\x04from\x00"
+"\x00\x14grpc-accept-encoding\x07deflate"
+"\x00\x14grpc-accept-encoding\x0Cdeflate,gzip"
+"\x00\x14grpc-accept-encoding\x04gzip"
+"\x00\x14grpc-accept-encoding\x08identity"
+"\x00\x14grpc-accept-encoding\x10identity,deflate"
+"\x00\x14grpc-accept-encoding\x15identity,deflate,gzip"
+"\x00\x14grpc-accept-encoding\x0Didentity,gzip"
+"\x00\x0Dgrpc-encoding\x07deflate"
+"\x00\x0Dgrpc-encoding\x04gzip"
+"\x00\x0Dgrpc-encoding\x08identity"
+"\x00\x0Bgrpc-status\x010"
+"\x00\x0Bgrpc-status\x011"
+"\x00\x0Bgrpc-status\x012"
+"\x00\x04host\x00"
+"\x00\x08if-match\x00"
+"\x00\x11if-modified-since\x00"
+"\x00\x0Dif-none-match\x00"
+"\x00\x08if-range\x00"
+"\x00\x13if-unmodified-since\x00"
+"\x00\x0Dlast-modified\x00"
+"\x00\x04link\x00"
+"\x00\x08location\x00"
+"\x00\x0Cmax-forwards\x00"
+"\x00\x07:method\x03GET"
+"\x00\x07:method\x04POST"
+"\x00\x07:method\x03PUT"
+"\x00\x05:path\x01/"
+"\x00\x05:path\x0B/index.html"
+"\x00\x12proxy-authenticate\x00"
+"\x00\x13proxy-authorization\x00"
+"\x00\x05range\x00"
+"\x00\x07referer\x00"
+"\x00\x07refresh\x00"
+"\x00\x0Bretry-after\x00"
+"\x00\x07:scheme\x04grpc"
+"\x00\x07:scheme\x04http"
+"\x00\x07:scheme\x05https"
+"\x00\x06server\x00"
+"\x00\x0Aset-cookie\x00"
+"\x00\x07:status\x03200"
+"\x00\x07:status\x03204"
+"\x00\x07:status\x03206"
+"\x00\x07:status\x03304"
+"\x00\x07:status\x03400"
+"\x00\x07:status\x03404"
+"\x00\x07:status\x03500"
+"\x00\x19strict-transport-security\x00"
+"\x00\x02te\x08trailers"
+"\x00\x11transfer-encoding\x00"
+"\x00\x0Auser-agent\x00"
+"\x00\x04vary\x00"
+"\x00\x03via\x00"
+"\x00\x10www-authenticate\x00"
diff --git a/test/core/end2end/fuzzers/server_fuzzer.c b/test/core/end2end/fuzzers/server_fuzzer.c
new file mode 100644
index 0000000000000000000000000000000000000000..40273711ab7ef9d09b61ed8e99ad63b9e8a5468a
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer.c
@@ -0,0 +1,127 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/grpc.h>
+
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/surface/server.h"
+#include "test/core/util/memory_counters.h"
+#include "test/core/util/mock_endpoint.h"
+
+static const bool squelch = true;
+
+static void discard_write(gpr_slice slice) {}
+
+static void *tag(int n) { return (void *)(uintptr_t)n; }
+static int detag(void *p) { return (int)(uintptr_t)p; }
+
+static void dont_log(gpr_log_func_args *args) {}
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  grpc_test_only_set_metadata_hash_seed(0);
+  struct grpc_memory_counters counters;
+  if (squelch) gpr_set_log_function(dont_log);
+  grpc_memory_counters_init();
+  grpc_init();
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+
+  grpc_endpoint *mock_endpoint = grpc_mock_endpoint_create(discard_write);
+  grpc_mock_endpoint_put_read(
+      &exec_ctx, mock_endpoint,
+      gpr_slice_from_copied_buffer((const char *)data, size));
+
+  grpc_server *server = grpc_server_create(NULL, NULL);
+  grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
+  grpc_server_register_completion_queue(server, cq, NULL);
+  // TODO(ctiller): add registered methods (one for POST, one for PUT)
+  // void *registered_method =
+  //    grpc_server_register_method(server, "/reg", NULL, 0);
+  grpc_server_start(server);
+  grpc_transport *transport =
+      grpc_create_chttp2_transport(&exec_ctx, NULL, mock_endpoint, 0);
+  grpc_server_setup_transport(&exec_ctx, server, transport, NULL);
+  grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL, 0);
+
+  grpc_call *call1 = NULL;
+  grpc_call_details call_details1;
+  grpc_metadata_array request_metadata1;
+  grpc_call_details_init(&call_details1);
+  grpc_metadata_array_init(&request_metadata1);
+  int requested_calls = 0;
+
+  grpc_server_request_call(server, &call1, &call_details1, &request_metadata1,
+                           cq, cq, tag(1));
+  requested_calls++;
+
+  grpc_event ev;
+  while (1) {
+    grpc_exec_ctx_flush(&exec_ctx);
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    switch (ev.type) {
+      case GRPC_QUEUE_TIMEOUT:
+        goto done;
+      case GRPC_QUEUE_SHUTDOWN:
+        break;
+      case GRPC_OP_COMPLETE:
+        switch (detag(ev.tag)) {
+          case 1:
+            requested_calls--;
+            // TODO(ctiller): keep reading that call!
+            break;
+        }
+    }
+  }
+
+done:
+  if (call1 != NULL) grpc_call_destroy(call1);
+  grpc_call_details_destroy(&call_details1);
+  grpc_metadata_array_destroy(&request_metadata1);
+  grpc_server_shutdown_and_notify(server, cq, tag(0xdead));
+  grpc_server_cancel_all_calls(server);
+  for (int i = 0; i <= requested_calls; i++) {
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
+  }
+  grpc_completion_queue_shutdown(cq);
+  for (int i = 0; i <= requested_calls; i++) {
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    GPR_ASSERT(ev.type == GRPC_QUEUE_SHUTDOWN);
+  }
+  grpc_server_destroy(server);
+  grpc_completion_queue_destroy(cq);
+  grpc_shutdown();
+  counters = grpc_memory_counters_snapshot();
+  grpc_memory_counters_destroy();
+  GPR_ASSERT(counters.total_size_relative == 0);
+  return 0;
+}
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diff --git a/test/core/end2end/gen_build_yaml.py b/test/core/end2end/gen_build_yaml.py
index 549120f2bb0b02ad5a33bcbeb750ab5e5ac7ec43..cffe5995bcd5440d0b2c9746224b3aa776448eca 100755
--- a/test/core/end2end/gen_build_yaml.py
+++ b/test/core/end2end/gen_build_yaml.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -53,12 +53,9 @@ END2END_FIXTURES = {
     'h2_census': default_unsecure_fixture_options,
     'h2_fakesec': default_secure_fixture_options._replace(ci_mac=False),
     'h2_full': default_unsecure_fixture_options,
-    'h2_full+poll': default_unsecure_fixture_options._replace(
-        platforms=['linux']),
     'h2_full+pipe': default_unsecure_fixture_options._replace(
         platforms=['linux']),
-    'h2_full+poll+pipe': default_unsecure_fixture_options._replace(
-        platforms=['linux']),
+    'h2_full+trace': default_unsecure_fixture_options._replace(tracing=True),
     'h2_oauth2': default_secure_fixture_options._replace(ci_mac=False),
     'h2_proxy': default_unsecure_fixture_options._replace(includes_proxy=True,
                                                           ci_mac=False),
@@ -66,13 +63,11 @@ END2END_FIXTURES = {
         ci_mac=False),
     'h2_sockpair': socketpair_unsecure_fixture_options._replace(ci_mac=False),
     'h2_sockpair+trace': socketpair_unsecure_fixture_options._replace(
-        tracing=True),
+        ci_mac=False, tracing=True),
     'h2_ssl': default_secure_fixture_options,
-    'h2_ssl+poll': default_secure_fixture_options._replace(platforms=['linux']),
+    'h2_ssl_cert': default_secure_fixture_options,
     'h2_ssl_proxy': default_secure_fixture_options._replace(includes_proxy=True,
                                                             ci_mac=False),
-    'h2_uchannel': default_unsecure_fixture_options._replace(fullstack=False),
-    'h2_uds+poll': uds_fixture_options._replace(platforms=['linux']),
     'h2_uds': uds_fixture_options,
 }
 
@@ -100,10 +95,12 @@ END2END_TESTS = {
                                                   needs_dns=True),
     'disappearing_server': connectivity_test_options,
     'empty_batch': default_test_options,
+    'filter_causes_close': default_test_options,
     'graceful_server_shutdown': default_test_options._replace(cpu_cost=LOWCPU),
     'hpack_size': default_test_options._replace(proxyable=False,
                                                 traceable=False),
     'high_initial_seqno': default_test_options,
+    'idempotent_request': default_test_options,
     'invoke_large_request': default_test_options,
     'large_metadata': default_test_options,
     'max_concurrent_streams': default_test_options._replace(proxyable=False),
diff --git a/test/core/end2end/goaway_server_test.c b/test/core/end2end/goaway_server_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..5f8c2641e7668b69379964c049fa437a67bc604a
--- /dev/null
+++ b/test/core/end2end/goaway_server_test.c
@@ -0,0 +1,301 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <string.h>
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "test/core/end2end/cq_verifier.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
+
+static void *tag(intptr_t i) { return (void *)i; }
+
+static gpr_mu g_mu;
+static int g_resolve_port = -1;
+static grpc_resolved_addresses *(*iomgr_resolve_address)(
+    const char *name, const char *default_port);
+
+static void set_resolve_port(int port) {
+  gpr_mu_lock(&g_mu);
+  g_resolve_port = port;
+  gpr_mu_unlock(&g_mu);
+}
+
+static grpc_resolved_addresses *my_resolve_address(const char *name,
+                                                   const char *addr) {
+  if (0 != strcmp(name, "test")) {
+    return iomgr_resolve_address(name, addr);
+  }
+
+  gpr_mu_lock(&g_mu);
+  if (g_resolve_port < 0) {
+    gpr_mu_unlock(&g_mu);
+    return NULL;
+  } else {
+    grpc_resolved_addresses *addrs = gpr_malloc(sizeof(*addrs));
+    addrs->naddrs = 1;
+    addrs->addrs = gpr_malloc(sizeof(*addrs->addrs));
+    memset(addrs->addrs, 0, sizeof(*addrs->addrs));
+    struct sockaddr_in *sa = (struct sockaddr_in *)addrs->addrs[0].addr;
+    sa->sin_family = AF_INET;
+    sa->sin_addr.s_addr = htonl(0x7f000001);
+    sa->sin_port = htons((uint16_t)g_resolve_port);
+    addrs->addrs[0].len = sizeof(*sa);
+    gpr_mu_unlock(&g_mu);
+    return addrs;
+  }
+}
+
+int main(int argc, char **argv) {
+  grpc_completion_queue *cq;
+  cq_verifier *cqv;
+  grpc_op ops[6];
+  grpc_op *op;
+
+  grpc_test_init(argc, argv);
+
+  gpr_mu_init(&g_mu);
+  iomgr_resolve_address = grpc_blocking_resolve_address;
+  grpc_blocking_resolve_address = my_resolve_address;
+  grpc_init();
+
+  int was_cancelled1;
+  int was_cancelled2;
+
+  grpc_metadata_array trailing_metadata_recv1;
+  grpc_metadata_array request_metadata1;
+  grpc_call_details request_details1;
+  grpc_status_code status1;
+  char *details1 = NULL;
+  size_t details_capacity1 = 0;
+  grpc_metadata_array_init(&trailing_metadata_recv1);
+  grpc_metadata_array_init(&request_metadata1);
+  grpc_call_details_init(&request_details1);
+
+  grpc_metadata_array trailing_metadata_recv2;
+  grpc_metadata_array request_metadata2;
+  grpc_call_details request_details2;
+  grpc_status_code status2;
+  char *details2 = NULL;
+  size_t details_capacity2 = 0;
+  grpc_metadata_array_init(&trailing_metadata_recv2);
+  grpc_metadata_array_init(&request_metadata2);
+  grpc_call_details_init(&request_details2);
+
+  cq = grpc_completion_queue_create(NULL);
+  cqv = cq_verifier_create(cq);
+
+  /* reserve two ports */
+  int port1 = grpc_pick_unused_port_or_die();
+  int port2 = grpc_pick_unused_port_or_die();
+
+  char *addr;
+
+  /* create a channel that picks first amongst the servers */
+  grpc_channel *chan = grpc_insecure_channel_create("test", NULL, NULL);
+  /* and an initial call to them */
+  grpc_call *call1 = grpc_channel_create_call(
+      chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq, "/foo", "127.0.0.1",
+      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(20), NULL);
+  /* send initial metadata to probe connectivity */
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call1, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x101), NULL));
+  /* and receive status to probe termination */
+  op = ops;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv1;
+  op->data.recv_status_on_client.status = &status1;
+  op->data.recv_status_on_client.status_details = &details1;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity1;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call1, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x102), NULL));
+
+  /* bring a server up on the first port */
+  grpc_server *server1 = grpc_server_create(NULL, NULL);
+  gpr_asprintf(&addr, "127.0.0.1:%d", port1);
+  grpc_server_add_insecure_http2_port(server1, addr);
+  grpc_server_register_completion_queue(server1, cq, NULL);
+  gpr_free(addr);
+  grpc_server_start(server1);
+
+  /* request a call to the server */
+  grpc_call *server_call1;
+  GPR_ASSERT(GRPC_CALL_OK ==
+             grpc_server_request_call(server1, &server_call1, &request_details1,
+                                      &request_metadata1, cq, cq, tag(0x301)));
+
+  set_resolve_port(port1);
+
+  /* first call should now start */
+  cq_expect_completion(cqv, tag(0x101), 1);
+  cq_expect_completion(cqv, tag(0x301), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(GRPC_CHANNEL_READY ==
+             grpc_channel_check_connectivity_state(chan, 0));
+  grpc_channel_watch_connectivity_state(chan, GRPC_CHANNEL_READY,
+                                        gpr_inf_future(GPR_CLOCK_REALTIME), cq,
+                                        tag(0x9999));
+
+  /* listen for close on the server call to probe for finishing */
+  op = ops;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled1;
+  op->flags = 0;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(server_call1, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x302), NULL));
+
+  /* shutdown first server:
+   * we should see a connectivity change and then nothing */
+  set_resolve_port(-1);
+  grpc_server_shutdown_and_notify(server1, cq, tag(0xdead1));
+  cq_expect_completion(cqv, tag(0x9999), 1);
+  cq_verify(cqv);
+  cq_verify_empty(cqv);
+
+  /* and a new call: should go through to server2 when we start it */
+  grpc_call *call2 = grpc_channel_create_call(
+      chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq, "/foo", "127.0.0.1",
+      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(20), NULL);
+  /* send initial metadata to probe connectivity */
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call2, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x201), NULL));
+  /* and receive status to probe termination */
+  op = ops;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv2;
+  op->data.recv_status_on_client.status = &status2;
+  op->data.recv_status_on_client.status_details = &details2;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity2;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call2, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x202), NULL));
+
+  /* and bring up second server */
+  set_resolve_port(port2);
+  grpc_server *server2 = grpc_server_create(NULL, NULL);
+  gpr_asprintf(&addr, "127.0.0.1:%d", port2);
+  grpc_server_add_insecure_http2_port(server2, addr);
+  grpc_server_register_completion_queue(server2, cq, NULL);
+  gpr_free(addr);
+  grpc_server_start(server2);
+
+  /* request a call to the server */
+  grpc_call *server_call2;
+  GPR_ASSERT(GRPC_CALL_OK ==
+             grpc_server_request_call(server2, &server_call2, &request_details2,
+                                      &request_metadata2, cq, cq, tag(0x401)));
+
+  /* second call should now start */
+  cq_expect_completion(cqv, tag(0x201), 1);
+  cq_expect_completion(cqv, tag(0x401), 1);
+  cq_verify(cqv);
+
+  /* listen for close on the server call to probe for finishing */
+  op = ops;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled2;
+  op->flags = 0;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(server_call2, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x402), NULL));
+
+  /* shutdown second server: we should see nothing */
+  grpc_server_shutdown_and_notify(server2, cq, tag(0xdead2));
+  cq_verify_empty(cqv);
+
+  grpc_call_cancel(call1, NULL);
+  grpc_call_cancel(call2, NULL);
+
+  /* now everything else should finish */
+  cq_expect_completion(cqv, tag(0x102), 1);
+  cq_expect_completion(cqv, tag(0x202), 1);
+  cq_expect_completion(cqv, tag(0x302), 1);
+  cq_expect_completion(cqv, tag(0x402), 1);
+  cq_expect_completion(cqv, tag(0xdead1), 1);
+  cq_expect_completion(cqv, tag(0xdead2), 1);
+  cq_verify(cqv);
+
+  grpc_call_destroy(call1);
+  grpc_call_destroy(call2);
+  grpc_call_destroy(server_call1);
+  grpc_call_destroy(server_call2);
+  grpc_server_destroy(server1);
+  grpc_server_destroy(server2);
+  grpc_channel_destroy(chan);
+
+  grpc_metadata_array_destroy(&trailing_metadata_recv1);
+  grpc_metadata_array_destroy(&request_metadata1);
+  grpc_call_details_destroy(&request_details1);
+  gpr_free(details1);
+  grpc_metadata_array_destroy(&trailing_metadata_recv2);
+  grpc_metadata_array_destroy(&request_metadata2);
+  grpc_call_details_destroy(&request_details2);
+  gpr_free(details2);
+
+  cq_verifier_destroy(cqv);
+  grpc_completion_queue_destroy(cq);
+
+  grpc_shutdown();
+  gpr_mu_destroy(&g_mu);
+
+  return 0;
+}
diff --git a/test/core/end2end/invalid_call_argument_test.c b/test/core/end2end/invalid_call_argument_test.c
index 4029e96a416babc6464b3b52b08bcc80de6a3b86..cf42e92a1a3a253f98aeef65a4c6e450b7e8f906 100644
--- a/test/core/end2end/invalid_call_argument_test.c
+++ b/test/core/end2end/invalid_call_argument_test.c
@@ -63,7 +63,7 @@ struct test_state {
 static struct test_state g_state;
 
 static void prepare_test(int is_client) {
-  int port;
+  int port = grpc_pick_unused_port_or_die();
   char *server_hostport;
   grpc_op *op;
   g_state.is_client = is_client;
@@ -85,7 +85,6 @@ static void prepare_test(int is_client) {
   } else {
     g_state.server = grpc_server_create(NULL, NULL);
     grpc_server_register_completion_queue(g_state.server, g_state.cq, NULL);
-    port = grpc_pick_unused_port_or_die();
     gpr_join_host_port(&server_hostport, "0.0.0.0", port);
     grpc_server_add_insecure_http2_port(g_state.server, server_hostport);
     grpc_server_start(g_state.server);
@@ -131,20 +130,23 @@ static void cleanup_test() {
     grpc_server_shutdown_and_notify(g_state.server, g_state.cq, tag(1000));
     GPR_ASSERT(grpc_completion_queue_pluck(g_state.cq, tag(1000),
                                            GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                           NULL).type == GRPC_OP_COMPLETE);
+                                           NULL)
+                   .type == GRPC_OP_COMPLETE);
     grpc_server_destroy(g_state.server);
     grpc_call_details_destroy(&g_state.call_details);
     grpc_metadata_array_destroy(&g_state.server_initial_metadata_recv);
   }
   grpc_completion_queue_shutdown(g_state.cq);
   while (grpc_completion_queue_next(g_state.cq,
-                                    gpr_inf_future(GPR_CLOCK_REALTIME),
-                                    NULL).type != GRPC_QUEUE_SHUTDOWN)
+                                    gpr_inf_future(GPR_CLOCK_REALTIME), NULL)
+             .type != GRPC_QUEUE_SHUTDOWN)
     ;
   grpc_completion_queue_destroy(g_state.cq);
 }
 
 static void test_non_null_reserved_on_start_batch() {
+  gpr_log(GPR_INFO, "test_non_null_reserved_on_start_batch");
+
   prepare_test(1);
   GPR_ASSERT(GRPC_CALL_ERROR ==
              grpc_call_start_batch(g_state.call, NULL, 0, NULL, tag(1)));
@@ -152,6 +154,8 @@ static void test_non_null_reserved_on_start_batch() {
 }
 
 static void test_non_null_reserved_on_op() {
+  gpr_log(GPR_INFO, "test_non_null_reserved_on_op");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -168,6 +172,8 @@ static void test_non_null_reserved_on_op() {
 }
 
 static void test_send_initial_metadata_more_than_once() {
+  gpr_log(GPR_INFO, "test_send_initial_metadata_more_than_once");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -196,6 +202,8 @@ static void test_send_initial_metadata_more_than_once() {
 }
 
 static void test_too_many_metadata() {
+  gpr_log(GPR_INFO, "test_too_many_metadata");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -212,6 +220,8 @@ static void test_too_many_metadata() {
 }
 
 static void test_send_null_message() {
+  gpr_log(GPR_INFO, "test_send_null_message");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -233,6 +243,8 @@ static void test_send_null_message() {
 }
 
 static void test_send_messages_at_the_same_time() {
+  gpr_log(GPR_INFO, "test_send_messages_at_the_same_time");
+
   grpc_op *op;
   gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
@@ -262,6 +274,8 @@ static void test_send_messages_at_the_same_time() {
 }
 
 static void test_send_server_status_from_client() {
+  gpr_log(GPR_INFO, "test_send_server_status_from_client");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -280,6 +294,8 @@ static void test_send_server_status_from_client() {
 }
 
 static void test_receive_initial_metadata_twice_at_client() {
+  gpr_log(GPR_INFO, "test_receive_initial_metadata_twice_at_client");
+
   grpc_op *op;
   prepare_test(1);
   op = g_state.ops;
@@ -306,6 +322,8 @@ static void test_receive_initial_metadata_twice_at_client() {
 }
 
 static void test_receive_message_with_invalid_flags() {
+  gpr_log(GPR_INFO, "test_receive_message_with_invalid_flags");
+
   grpc_op *op;
   grpc_byte_buffer *payload = NULL;
   prepare_test(1);
@@ -322,6 +340,8 @@ static void test_receive_message_with_invalid_flags() {
 }
 
 static void test_receive_two_messages_at_the_same_time() {
+  gpr_log(GPR_INFO, "test_receive_two_messages_at_the_same_time");
+
   grpc_op *op;
   grpc_byte_buffer *payload = NULL;
   prepare_test(1);
@@ -343,6 +363,8 @@ static void test_receive_two_messages_at_the_same_time() {
 }
 
 static void test_recv_close_on_server_from_client() {
+  gpr_log(GPR_INFO, "test_recv_close_on_server_from_client");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -359,6 +381,8 @@ static void test_recv_close_on_server_from_client() {
 }
 
 static void test_recv_status_on_client_twice() {
+  gpr_log(GPR_INFO, "test_recv_status_on_client_twice");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -395,6 +419,8 @@ static void test_recv_status_on_client_twice() {
 }
 
 static void test_send_close_from_client_on_server() {
+  gpr_log(GPR_INFO, "test_send_close_from_client_on_server");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -410,6 +436,8 @@ static void test_send_close_from_client_on_server() {
 }
 
 static void test_recv_status_on_client_from_server() {
+  gpr_log(GPR_INFO, "test_recv_status_on_client_from_server");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -431,6 +459,8 @@ static void test_recv_status_on_client_from_server() {
 }
 
 static void test_send_status_from_server_with_invalid_flags() {
+  gpr_log(GPR_INFO, "test_send_status_from_server_with_invalid_flags");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -449,6 +479,8 @@ static void test_send_status_from_server_with_invalid_flags() {
 }
 
 static void test_too_many_trailing_metadata() {
+  gpr_log(GPR_INFO, "test_too_many_trailing_metadata");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -468,6 +500,8 @@ static void test_too_many_trailing_metadata() {
 }
 
 static void test_send_server_status_twice() {
+  gpr_log(GPR_INFO, "test_send_server_status_twice");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -493,6 +527,8 @@ static void test_send_server_status_twice() {
 }
 
 static void test_recv_close_on_server_with_invalid_flags() {
+  gpr_log(GPR_INFO, "test_recv_close_on_server_with_invalid_flags");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -509,6 +545,8 @@ static void test_recv_close_on_server_with_invalid_flags() {
 }
 
 static void test_recv_close_on_server_twice() {
+  gpr_log(GPR_INFO, "test_recv_close_on_server_twice");
+
   grpc_op *op;
   prepare_test(0);
 
diff --git a/test/core/end2end/no_server_test.c b/test/core/end2end/no_server_test.c
index 5c971eac6aeb6cefa5ac496524b8a2d60921fb02..7a5cd2335f17b3c6bab1de77cf2da2ad33a9121c 100644
--- a/test/core/end2end/no_server_test.c
+++ b/test/core/end2end/no_server_test.c
@@ -88,8 +88,9 @@ int main(int argc, char **argv) {
   GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
 
   grpc_completion_queue_shutdown(cq);
-  while (grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME),
-                                    NULL).type != GRPC_QUEUE_SHUTDOWN)
+  while (
+      grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), NULL)
+          .type != GRPC_QUEUE_SHUTDOWN)
     ;
   grpc_completion_queue_destroy(cq);
   grpc_call_destroy(call);
diff --git a/test/core/end2end/tests/bad_hostname.c b/test/core/end2end/tests/bad_hostname.c
index 14587389c7cda1c8e5604475a85ecf3e3b2c5946..3cb9b3d4b12158c0af64d35b6f22570f230b3c6e 100644
--- a/test/core/end2end/tests/bad_hostname.c
+++ b/test/core/end2end/tests/bad_hostname.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -152,7 +152,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   cq_expect_completion(cqv, tag(1), 1);
   cq_verify(cqv);
 
-  GPR_ASSERT(status == GRPC_STATUS_INVALID_ARGUMENT);
+  GPR_ASSERT(status == GRPC_STATUS_INTERNAL);
 
   gpr_free(details);
   grpc_metadata_array_destroy(&initial_metadata_recv);
@@ -179,3 +179,5 @@ void bad_hostname(grpc_end2end_test_config config) {
     test_invoke_simple_request(config);
   }
 }
+
+void bad_hostname_pre_init(void) {}
diff --git a/test/core/end2end/tests/binary_metadata.c b/test/core/end2end/tests/binary_metadata.c
index 4eccd16c4c27c5323798922f6c87221ae94cb26a..994c3bf1dd21d2a5496095432a0734cbeb793d1b 100644
--- a/test/core/end2end/tests/binary_metadata.c
+++ b/test/core/end2end/tests/binary_metadata.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -287,3 +287,5 @@ static void test_request_response_with_metadata_and_payload(
 void binary_metadata(grpc_end2end_test_config config) {
   test_request_response_with_metadata_and_payload(config);
 }
+
+void binary_metadata_pre_init(void) {}
diff --git a/test/core/end2end/tests/call_creds.c b/test/core/end2end/tests/call_creds.c
index c9d4251b68a2d87445ae7c84f0001cd2a9c30f4f..b555bea740b60e64281bf67f33bac62de74306e1 100644
--- a/test/core/end2end/tests/call_creds.c
+++ b/test/core/end2end/tests/call_creds.c
@@ -36,15 +36,15 @@
 #include <stdio.h>
 #include <string.h>
 
-#include <grpc/grpc_security.h>
 #include <grpc/byte_buffer.h>
+#include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/string.h"
 
 static const char iam_token[] = "token";
 static const char iam_selector[] = "selector";
@@ -93,9 +93,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -475,3 +475,5 @@ void call_creds(grpc_end2end_test_config config) {
     test_request_with_server_rejecting_client_creds(config);
   }
 }
+
+void call_creds_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_after_accept.c b/test/core/end2end/tests/cancel_after_accept.c
index 4646bf7bcaccb6f9fe38dd71d58296aaa368d1d3..fc2a64a6c18a7ef001dc2eb348a8fa971ddbd10a 100644
--- a/test/core/end2end/tests/cancel_after_accept.c
+++ b/test/core/end2end/tests/cancel_after_accept.c
@@ -76,9 +76,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -233,3 +233,5 @@ void cancel_after_accept(grpc_end2end_test_config config) {
     test_cancel_after_accept(config, cancellation_modes[i]);
   }
 }
+
+void cancel_after_accept_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_after_client_done.c b/test/core/end2end/tests/cancel_after_client_done.c
index 364598a76a0ca9d44360d48fd5feb380d613040c..3bafa8c85fd61417148a7fe4044cfaee0f58568e 100644
--- a/test/core/end2end/tests/cancel_after_client_done.c
+++ b/test/core/end2end/tests/cancel_after_client_done.c
@@ -76,9 +76,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -237,3 +237,5 @@ void cancel_after_client_done(grpc_end2end_test_config config) {
     test_cancel_after_accept_and_writes_closed(config, cancellation_modes[i]);
   }
 }
+
+void cancel_after_client_done_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_after_invoke.c b/test/core/end2end/tests/cancel_after_invoke.c
index ec0b0dea4c2d0208f63e528c443ff4ca035ac66e..fc2751af8e1647b452e5cb50569fe34b4ef69146 100644
--- a/test/core/end2end/tests/cancel_after_invoke.c
+++ b/test/core/end2end/tests/cancel_after_invoke.c
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -199,3 +199,5 @@ void cancel_after_invoke(grpc_end2end_test_config config) {
     }
   }
 }
+
+void cancel_after_invoke_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_before_invoke.c b/test/core/end2end/tests/cancel_before_invoke.c
index 7b432fe87e8c0eff569e24f84bb75e8bfe7af50c..33005db9e45ffcd4610d7641caed56f266cbcded 100644
--- a/test/core/end2end/tests/cancel_before_invoke.c
+++ b/test/core/end2end/tests/cancel_before_invoke.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -194,3 +194,5 @@ void cancel_before_invoke(grpc_end2end_test_config config) {
     test_cancel_before_invoke(config, i);
   }
 }
+
+void cancel_before_invoke_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_in_a_vacuum.c b/test/core/end2end/tests/cancel_in_a_vacuum.c
index 214ab2b9e878d7bf75c66e61c678801abdf8b368..0c893b5f9efb5ecf95e1213bf0e47216c4fc72a1 100644
--- a/test/core/end2end/tests/cancel_in_a_vacuum.c
+++ b/test/core/end2end/tests/cancel_in_a_vacuum.c
@@ -76,9 +76,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -127,3 +127,5 @@ void cancel_in_a_vacuum(grpc_end2end_test_config config) {
     test_cancel_in_a_vacuum(config, cancellation_modes[i]);
   }
 }
+
+void cancel_in_a_vacuum_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_with_status.c b/test/core/end2end/tests/cancel_with_status.c
index 1541ca099f8dbb0359bfaf872a478405e2c7a22f..c3ee4a6a0eea94ffec52eb3bf768e2043ebe4a6c 100644
--- a/test/core/end2end/tests/cancel_with_status.c
+++ b/test/core/end2end/tests/cancel_with_status.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -182,3 +182,5 @@ void cancel_with_status(grpc_end2end_test_config config) {
     test_invoke_simple_request(config, i);
   }
 }
+
+void cancel_with_status_pre_init(void) {}
diff --git a/test/core/end2end/tests/compressed_payload.c b/test/core/end2end/tests/compressed_payload.c
index 33b1d8f9feb0be6807ec269d252d3d09c466c2b2..589bc314f8e521ce2a0b52752fce9c6ad1a75657 100644
--- a/test/core/end2end/tests/compressed_payload.c
+++ b/test/core/end2end/tests/compressed_payload.c
@@ -43,10 +43,10 @@
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/surface/call_test_only.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/surface/call_test_only.h"
 
 enum { TIMEOUT = 200000 };
 
@@ -80,9 +80,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -336,3 +336,5 @@ void compressed_payload(grpc_end2end_test_config config) {
   test_invoke_request_with_compressed_payload(config);
   test_invoke_request_with_compressed_payload_md_override(config);
 }
+
+void compressed_payload_pre_init(void) {}
diff --git a/test/core/end2end/tests/connectivity.c b/test/core/end2end/tests/connectivity.c
index 975c62073148f2abf33ad3c01230c1062af19f19..5775976b1cbda2eaffac1ecb246804654341afcb 100644
--- a/test/core/end2end/tests/connectivity.c
+++ b/test/core/end2end/tests/connectivity.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -172,3 +172,5 @@ void connectivity(grpc_end2end_test_config config) {
   GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION);
   test_connectivity(config);
 }
+
+void connectivity_pre_init(void) {}
diff --git a/test/core/end2end/tests/default_host.c b/test/core/end2end/tests/default_host.c
index dc3303436b31e4881d4bf9d6a5c8ef707c8c0355..44384a783ec2179f007686844a0c26be6d657260 100644
--- a/test/core/end2end/tests/default_host.c
+++ b/test/core/end2end/tests/default_host.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -232,3 +232,5 @@ void default_host(grpc_end2end_test_config config) {
     return;
   test_invoke_simple_request(config);
 }
+
+void default_host_pre_init(void) {}
diff --git a/test/core/end2end/tests/disappearing_server.c b/test/core/end2end/tests/disappearing_server.c
index 5b2bbaf70cd58eec0048086b48022e6924208a72..03d1ded04cf1654bdad6e02f4c53686cfacdc044 100644
--- a/test/core/end2end/tests/disappearing_server.c
+++ b/test/core/end2end/tests/disappearing_server.c
@@ -213,3 +213,5 @@ void disappearing_server(grpc_end2end_test_config config) {
   GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION);
   disappearing_server_test(config);
 }
+
+void disappearing_server_pre_init(void) {}
diff --git a/test/core/end2end/tests/empty_batch.c b/test/core/end2end/tests/empty_batch.c
index 24320c0f32c77ac3129a286ad98d5a5068e8ec20..c05b91991467d00a7618e088a46aec4c97ed3cf1 100644
--- a/test/core/end2end/tests/empty_batch.c
+++ b/test/core/end2end/tests/empty_batch.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -132,3 +132,5 @@ static void test_invoke_empty_body(grpc_end2end_test_config config) {
 void empty_batch(grpc_end2end_test_config config) {
   test_invoke_empty_body(config);
 }
+
+void empty_batch_pre_init(void) {}
diff --git a/test/core/end2end/tests/filter_causes_close.c b/test/core/end2end/tests/filter_causes_close.c
new file mode 100644
index 0000000000000000000000000000000000000000..9f9ee856485c455f82f286e5905d50ac8278d2de
--- /dev/null
+++ b/test/core/end2end/tests/filter_causes_close.c
@@ -0,0 +1,286 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/byte_buffer.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "src/core/lib/channel/channel_stack_builder.h"
+#include "src/core/lib/surface/channel_init.h"
+#include "test/core/end2end/cq_verifier.h"
+
+enum { TIMEOUT = 200000 };
+
+static bool g_enable_filter = false;
+
+static void *tag(intptr_t t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_server(&f, server_args);
+  config.init_client(&f, client_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL);
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->cq);
+  drain_cq(f->cq);
+  grpc_completion_queue_destroy(f->cq);
+}
+
+/* Simple request via a server filter that always closes the stream.*/
+static void test_request(grpc_end2end_test_config config) {
+  grpc_call *c;
+  grpc_call *s;
+  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_byte_buffer *request_payload =
+      grpc_raw_byte_buffer_create(&request_payload_slice, 1);
+  gpr_timespec deadline = five_seconds_time();
+  grpc_end2end_test_fixture f =
+      begin_test(config, "filter_causes_close", NULL, NULL);
+  cq_verifier *cqv = cq_verifier_create(f.cq);
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_metadata_array request_metadata_recv;
+  grpc_byte_buffer *request_payload_recv = NULL;
+  grpc_call_details call_details;
+  grpc_status_code status;
+  grpc_call_error error;
+  char *details = NULL;
+  size_t details_capacity = 0;
+
+  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
+                               "/foo", "foo.test.google.fr", deadline, NULL);
+  GPR_ASSERT(c);
+
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_metadata_array_init(&trailing_metadata_recv);
+  grpc_metadata_array_init(&request_metadata_recv);
+  grpc_call_details_init(&call_details);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->data.send_initial_metadata.metadata = NULL;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_MESSAGE;
+  op->data.send_message = request_payload;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+  op->data.recv_status_on_client.status = &status;
+  op->data.recv_status_on_client.status_details = &details;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  error =
+      grpc_server_request_call(f.server, &s, &call_details,
+                               &request_metadata_recv, f.cq, f.cq, tag(101));
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  cq_expect_completion(cqv, tag(1), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(status == GRPC_STATUS_PERMISSION_DENIED);
+  GPR_ASSERT(0 == strcmp(details, "Random failure that's not preventable."));
+
+  gpr_free(details);
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_details_destroy(&call_details);
+
+  grpc_call_destroy(c);
+
+  cq_verifier_destroy(cqv);
+
+  grpc_byte_buffer_destroy(request_payload);
+  grpc_byte_buffer_destroy(request_payload_recv);
+
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+/*******************************************************************************
+ * Test filter - always closes incoming requests
+ */
+
+typedef struct { grpc_closure *recv_im_ready; } call_data;
+
+typedef struct { uint8_t unused; } channel_data;
+
+static void recv_im_ready(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
+  grpc_call_element *elem = arg;
+  call_data *calld = elem->call_data;
+  if (success) {
+    // close the stream with an error.
+    gpr_slice message =
+        gpr_slice_from_copied_string("Random failure that's not preventable.");
+    grpc_transport_stream_op op;
+    memset(&op, 0, sizeof(op));
+    grpc_transport_stream_op_add_close(&op, GRPC_STATUS_PERMISSION_DENIED,
+                                       &message);
+    grpc_call_next_op(exec_ctx, elem, &op);
+  }
+  calld->recv_im_ready->cb(exec_ctx, calld->recv_im_ready->cb_arg, false);
+}
+
+static void start_transport_stream_op(grpc_exec_ctx *exec_ctx,
+                                      grpc_call_element *elem,
+                                      grpc_transport_stream_op *op) {
+  call_data *calld = elem->call_data;
+  if (op->recv_initial_metadata != NULL) {
+    calld->recv_im_ready = op->recv_initial_metadata_ready;
+    op->recv_initial_metadata_ready = grpc_closure_create(recv_im_ready, elem);
+  }
+  grpc_call_next_op(exec_ctx, elem, op);
+}
+
+static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+                           grpc_call_element_args *args) {}
+
+static void destroy_call_elem(grpc_exec_ctx *exec_ctx,
+                              grpc_call_element *elem) {}
+
+static void init_channel_elem(grpc_exec_ctx *exec_ctx,
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {}
+
+static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
+                                 grpc_channel_element *elem) {}
+
+static const grpc_channel_filter test_filter = {
+    start_transport_stream_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "filter_causes_close"};
+
+/*******************************************************************************
+ * Registration
+ */
+
+static bool maybe_add_filter(grpc_channel_stack_builder *builder, void *arg) {
+  if (g_enable_filter) {
+    return grpc_channel_stack_builder_prepend_filter(builder, &test_filter,
+                                                     NULL, NULL);
+  } else {
+    return true;
+  }
+}
+
+static void init_plugin(void) {
+  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, 0, maybe_add_filter,
+                                   NULL);
+}
+
+static void destroy_plugin(void) {}
+
+void filter_causes_close(grpc_end2end_test_config config) {
+  g_enable_filter = true;
+  test_request(config);
+  g_enable_filter = false;
+}
+
+void filter_causes_close_pre_init(void) {
+  grpc_register_plugin(init_plugin, destroy_plugin);
+}
diff --git a/test/core/end2end/tests/graceful_server_shutdown.c b/test/core/end2end/tests/graceful_server_shutdown.c
index cc6a9d44f8acd03be2f58ccb43ef0bbd3367e6de..26198f3bdfc3ebcbcc9aac9c2cf73b55eb7e0a43 100644
--- a/test/core/end2end/tests/graceful_server_shutdown.c
+++ b/test/core/end2end/tests/graceful_server_shutdown.c
@@ -210,3 +210,5 @@ static void test_early_server_shutdown_finishes_inflight_calls(
 void graceful_server_shutdown(grpc_end2end_test_config config) {
   test_early_server_shutdown_finishes_inflight_calls(config);
 }
+
+void graceful_server_shutdown_pre_init(void) {}
diff --git a/test/core/end2end/tests/high_initial_seqno.c b/test/core/end2end/tests/high_initial_seqno.c
index 8d16ef5f5ee273b5931f6cd52f9487046d9bf7db..374606dcb73cdbd2cafc0d8a79d4565407dc572a 100644
--- a/test/core/end2end/tests/high_initial_seqno.c
+++ b/test/core/end2end/tests/high_initial_seqno.c
@@ -44,7 +44,7 @@
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -79,9 +79,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -237,3 +237,5 @@ void high_initial_seqno(grpc_end2end_test_config config) {
     test_invoke_10_simple_requests(config, 2147483645);
   }
 }
+
+void high_initial_seqno_pre_init(void) {}
diff --git a/test/core/end2end/tests/hpack_size.c b/test/core/end2end/tests/hpack_size.c
index fd4fe3419f02fe7665268659bff57383c27d71f8..07d5d387b4c7166de9e38ce9ca1d02147d23e51d 100644
--- a/test/core/end2end/tests/hpack_size.c
+++ b/test/core/end2end/tests/hpack_size.c
@@ -44,7 +44,7 @@
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 static void *tag(intptr_t t) { return (void *)t; }
@@ -262,9 +262,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -444,3 +444,5 @@ void hpack_size(grpc_end2end_test_config config) {
     }
   }
 }
+
+void hpack_size_pre_init(void) {}
diff --git a/test/core/end2end/tests/idempotent_request.c b/test/core/end2end/tests/idempotent_request.c
new file mode 100644
index 0000000000000000000000000000000000000000..e53f3b2aaa833842229711fbcbbc8a59509543b4
--- /dev/null
+++ b/test/core/end2end/tests/idempotent_request.c
@@ -0,0 +1,250 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/byte_buffer.h>
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
+#include "test/core/end2end/cq_verifier.h"
+
+enum { TIMEOUT = 200000 };
+
+static void *tag(intptr_t t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_server(&f, server_args);
+  config.init_client(&f, client_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL);
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->cq);
+  drain_cq(f->cq);
+  grpc_completion_queue_destroy(f->cq);
+}
+
+static void simple_request_body(grpc_end2end_test_fixture f) {
+  grpc_call *c;
+  grpc_call *s;
+  gpr_timespec deadline = five_seconds_time();
+  cq_verifier *cqv = cq_verifier_create(f.cq);
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_metadata_array request_metadata_recv;
+  grpc_call_details call_details;
+  grpc_status_code status;
+  grpc_call_error error;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  int was_cancelled = 2;
+  char *peer;
+
+  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
+                               "/foo", "foo.test.google.fr:1234", deadline,
+                               NULL);
+  GPR_ASSERT(c);
+
+  peer = grpc_call_get_peer(c);
+  GPR_ASSERT(peer != NULL);
+  gpr_log(GPR_DEBUG, "client_peer_before_call=%s", peer);
+  gpr_free(peer);
+
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_metadata_array_init(&trailing_metadata_recv);
+  grpc_metadata_array_init(&request_metadata_recv);
+  grpc_call_details_init(&call_details);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+  op->data.recv_status_on_client.status = &status;
+  op->data.recv_status_on_client.status_details = &details;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  error =
+      grpc_server_request_call(f.server, &s, &call_details,
+                               &request_metadata_recv, f.cq, f.cq, tag(101));
+  GPR_ASSERT(GRPC_CALL_OK == error);
+  cq_expect_completion(cqv, tag(101), 1);
+  cq_verify(cqv);
+
+  peer = grpc_call_get_peer(s);
+  GPR_ASSERT(peer != NULL);
+  gpr_log(GPR_DEBUG, "server_peer=%s", peer);
+  gpr_free(peer);
+  peer = grpc_call_get_peer(c);
+  GPR_ASSERT(peer != NULL);
+  gpr_log(GPR_DEBUG, "client_peer=%s", peer);
+  gpr_free(peer);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
+  op->data.send_status_from_server.trailing_metadata_count = 0;
+  op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
+  op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  cq_expect_completion(cqv, tag(102), 1);
+  cq_expect_completion(cqv, tag(1), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
+  GPR_ASSERT(0 == strcmp(details, "xyz"));
+  GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
+  GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr:1234"));
+  GPR_ASSERT(GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST == call_details.flags);
+  GPR_ASSERT(was_cancelled == 1);
+
+  gpr_free(details);
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_details_destroy(&call_details);
+
+  grpc_call_destroy(c);
+  grpc_call_destroy(s);
+
+  cq_verifier_destroy(cqv);
+}
+
+static void test_invoke_simple_request(grpc_end2end_test_config config) {
+  grpc_end2end_test_fixture f;
+
+  f = begin_test(config, "test_invoke_simple_request", NULL, NULL);
+  simple_request_body(f);
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+static void test_invoke_10_simple_requests(grpc_end2end_test_config config) {
+  int i;
+  grpc_end2end_test_fixture f =
+      begin_test(config, "test_invoke_10_simple_requests", NULL, NULL);
+  for (i = 0; i < 10; i++) {
+    simple_request_body(f);
+    gpr_log(GPR_INFO, "Passed simple request %d", i);
+  }
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+void idempotent_request(grpc_end2end_test_config config) {
+  int i;
+  for (i = 0; i < 10; i++) {
+    test_invoke_simple_request(config);
+  }
+  test_invoke_10_simple_requests(config);
+}
+
+void idempotent_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/invoke_large_request.c b/test/core/end2end/tests/invoke_large_request.c
index f0b019821d11e1bdbb89703b858b2de639e4683d..6410305451a99389eaafadc50455b7c564efdad6 100644
--- a/test/core/end2end/tests/invoke_large_request.c
+++ b/test/core/end2end/tests/invoke_large_request.c
@@ -73,9 +73,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -254,3 +254,5 @@ static void test_invoke_large_request(grpc_end2end_test_config config) {
 void invoke_large_request(grpc_end2end_test_config config) {
   test_invoke_large_request(config);
 }
+
+void invoke_large_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/large_metadata.c b/test/core/end2end/tests/large_metadata.c
index 1b41e89b26b88c3b6f5a12e119b065a6e1d565e1..0e5d6b4fe012a2d87144141823f5db179e3d181f 100644
--- a/test/core/end2end/tests/large_metadata.c
+++ b/test/core/end2end/tests/large_metadata.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -245,3 +245,5 @@ static void test_request_with_large_metadata(grpc_end2end_test_config config) {
 void large_metadata(grpc_end2end_test_config config) {
   test_request_with_large_metadata(config);
 }
+
+void large_metadata_pre_init(void) {}
diff --git a/test/core/end2end/tests/max_concurrent_streams.c b/test/core/end2end/tests/max_concurrent_streams.c
index d6b2a06f9b8a795c09aeb363774adcb71717afb7..1bb53073cb0617f968f8004c1164691e800d39b3 100644
--- a/test/core/end2end/tests/max_concurrent_streams.c
+++ b/test/core/end2end/tests/max_concurrent_streams.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -436,3 +436,5 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
 void max_concurrent_streams(grpc_end2end_test_config config) {
   test_max_concurrent_streams(config);
 }
+
+void max_concurrent_streams_pre_init(void) {}
diff --git a/test/core/end2end/tests/max_message_length.c b/test/core/end2end/tests/max_message_length.c
index 59ab7f476c9ad51d24c486c800e1631e0f8d3644..b5dbc1382a84268ada53ffe4b2aed5c20d5f552a 100644
--- a/test/core/end2end/tests/max_message_length.c
+++ b/test/core/end2end/tests/max_message_length.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -221,3 +221,5 @@ static void test_max_message_length(grpc_end2end_test_config config) {
 void max_message_length(grpc_end2end_test_config config) {
   test_max_message_length(config);
 }
+
+void max_message_length_pre_init(void) {}
diff --git a/test/core/end2end/tests/negative_deadline.c b/test/core/end2end/tests/negative_deadline.c
index 2109310634a8c39eeb5dd533baee0d58c7b9d12d..03e57a90f6f91005c77918ac660b6683a923152e 100644
--- a/test/core/end2end/tests/negative_deadline.c
+++ b/test/core/end2end/tests/negative_deadline.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -179,3 +179,5 @@ void negative_deadline(grpc_end2end_test_config config) {
     test_invoke_simple_request(config, i);
   }
 }
+
+void negative_deadline_pre_init(void) {}
diff --git a/test/core/end2end/tests/no_op.c b/test/core/end2end/tests/no_op.c
index 4bc1d631d1e42135eda29a028d27fdf89ee8a4de..284be7af2ae27e0b2aa9fc6b44d8605cfb1564df 100644
--- a/test/core/end2end/tests/no_op.c
+++ b/test/core/end2end/tests/no_op.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -104,3 +104,5 @@ static void test_no_op(grpc_end2end_test_config config) {
 }
 
 void no_op(grpc_end2end_test_config config) { test_no_op(config); }
+
+void no_op_pre_init(void) {}
diff --git a/test/core/end2end/tests/payload.c b/test/core/end2end/tests/payload.c
index bc220cbdc9f9c71e03052719d584168bc3541dd9..bdfb1354068e9544360e872637d34b9f96e1ba94 100644
--- a/test/core/end2end/tests/payload.c
+++ b/test/core/end2end/tests/payload.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -268,3 +268,5 @@ void payload(grpc_end2end_test_config config) {
   test_invoke_request_response_with_payload(config);
   test_invoke_10_request_response_with_payload(config);
 }
+
+void payload_pre_init(void) {}
diff --git a/test/core/end2end/tests/ping.c b/test/core/end2end/tests/ping.c
index f85df63de7907db8b8ef9b6b7d5ac340b6a5edbf..d49bec983be98de5cf94d5b06653421ef44feb97 100644
--- a/test/core/end2end/tests/ping.c
+++ b/test/core/end2end/tests/ping.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -95,3 +95,5 @@ void ping(grpc_end2end_test_config config) {
   GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION);
   test_ping(config);
 }
+
+void ping_pre_init(void) {}
diff --git a/test/core/end2end/tests/ping_pong_streaming.c b/test/core/end2end/tests/ping_pong_streaming.c
index 8351f508c5c5d80fc9546fa3b47f4e82049496b2..15e1c6e338a75bfae865fc2b1e966e22b75d795c 100644
--- a/test/core/end2end/tests/ping_pong_streaming.c
+++ b/test/core/end2end/tests/ping_pong_streaming.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -275,3 +275,5 @@ void ping_pong_streaming(grpc_end2end_test_config config) {
     test_pingpong_streaming(config, i);
   }
 }
+
+void ping_pong_streaming_pre_init(void) {}
diff --git a/test/core/end2end/tests/registered_call.c b/test/core/end2end/tests/registered_call.c
index d9d2b19d12d14e8ecb06129c8402943f63caa314..3c4edbae7dc2a20a08beb1c8a6d4ff7bc7d7dda8 100644
--- a/test/core/end2end/tests/registered_call.c
+++ b/test/core/end2end/tests/registered_call.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -231,3 +231,5 @@ void registered_call(grpc_end2end_test_config config) {
   test_invoke_simple_request(config);
   test_invoke_10_simple_requests(config);
 }
+
+void registered_call_pre_init(void) {}
diff --git a/test/core/end2end/tests/request_with_flags.c b/test/core/end2end/tests/request_with_flags.c
index 340aba6cdbb3f31ca7542038696b8f991de136c6..779895b97014faee9e1a94e186feef026a7d9eaa 100644
--- a/test/core/end2end/tests/request_with_flags.c
+++ b/test/core/end2end/tests/request_with_flags.c
@@ -41,7 +41,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
-#include "src/core/transport/byte_stream.h"
+#include "src/core/lib/transport/byte_stream.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -76,9 +76,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -214,3 +214,5 @@ void request_with_flags(grpc_end2end_test_config config) {
     }
   }
 }
+
+void request_with_flags_pre_init(void) {}
diff --git a/test/core/end2end/tests/request_with_payload.c b/test/core/end2end/tests/request_with_payload.c
index 1aced6a87556d6a1e0499fee903d3e67d9ee876b..77064040909c0369000f93f935544b21e6178c9f 100644
--- a/test/core/end2end/tests/request_with_payload.c
+++ b/test/core/end2end/tests/request_with_payload.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -232,3 +232,5 @@ static void test_invoke_request_with_payload(grpc_end2end_test_config config) {
 void request_with_payload(grpc_end2end_test_config config) {
   test_invoke_request_with_payload(config);
 }
+
+void request_with_payload_pre_init(void) {}
diff --git a/test/core/end2end/tests/server_finishes_request.c b/test/core/end2end/tests/server_finishes_request.c
index 6bca8d476c77464d3b08e2045a0dcebdafc9592f..a4f5319e5b4fabd890d18fd100c0313fb5041dc4 100644
--- a/test/core/end2end/tests/server_finishes_request.c
+++ b/test/core/end2end/tests/server_finishes_request.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -210,3 +210,5 @@ static void test_invoke_simple_request(grpc_end2end_test_config config) {
 void server_finishes_request(grpc_end2end_test_config config) {
   test_invoke_simple_request(config);
 }
+
+void server_finishes_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/shutdown_finishes_calls.c b/test/core/end2end/tests/shutdown_finishes_calls.c
index b56ba464b9b9dd4752131a819b7010cbaf9ce2bc..80287cd507adff5b3170b7dd9cbe750c51919b24 100644
--- a/test/core/end2end/tests/shutdown_finishes_calls.c
+++ b/test/core/end2end/tests/shutdown_finishes_calls.c
@@ -192,3 +192,5 @@ static void test_early_server_shutdown_finishes_inflight_calls(
 void shutdown_finishes_calls(grpc_end2end_test_config config) {
   test_early_server_shutdown_finishes_inflight_calls(config);
 }
+
+void shutdown_finishes_calls_pre_init(void) {}
diff --git a/test/core/end2end/tests/shutdown_finishes_tags.c b/test/core/end2end/tests/shutdown_finishes_tags.c
index 4a060de716b23cb1de0b4b9a5d3a810759501bca..b1f3c94562a84eae6b05d17949508adce33c3927 100644
--- a/test/core/end2end/tests/shutdown_finishes_tags.c
+++ b/test/core/end2end/tests/shutdown_finishes_tags.c
@@ -119,3 +119,5 @@ static void test_early_server_shutdown_finishes_tags(
 void shutdown_finishes_tags(grpc_end2end_test_config config) {
   test_early_server_shutdown_finishes_tags(config);
 }
+
+void shutdown_finishes_tags_pre_init(void) {}
diff --git a/test/core/end2end/tests/simple_delayed_request.c b/test/core/end2end/tests/simple_delayed_request.c
index 0afef7503b7f222f37dd9887bbc929080cb38ed3..400b3a00274725c06c8d4c758a12be60493f5370 100644
--- a/test/core/end2end/tests/simple_delayed_request.c
+++ b/test/core/end2end/tests/simple_delayed_request.c
@@ -63,9 +63,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -120,7 +120,7 @@ static void simple_delayed_request_body(grpc_end2end_test_config config,
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
-  op->flags = 0;
+  op->flags = GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY;
   op->reserved = NULL;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
@@ -221,3 +221,5 @@ void simple_delayed_request(grpc_end2end_test_config config) {
   test_simple_delayed_request_short(config);
   test_simple_delayed_request_long(config);
 }
+
+void simple_delayed_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/simple_metadata.c b/test/core/end2end/tests/simple_metadata.c
index c5084a560ff354fdf2855a8887b62f97b556a65e..707b3c9512c305c358bacb52e02c1684287138ac 100644
--- a/test/core/end2end/tests/simple_metadata.c
+++ b/test/core/end2end/tests/simple_metadata.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -263,3 +263,5 @@ static void test_request_response_with_metadata_and_payload(
 void simple_metadata(grpc_end2end_test_config config) {
   test_request_response_with_metadata_and_payload(config);
 }
+
+void simple_metadata_pre_init(void) {}
diff --git a/test/core/end2end/tests/simple_request.c b/test/core/end2end/tests/simple_request.c
index 3720cd1631b9d1658b412a68e37386bb65e511be..42108425e6f1bac98c2251a4d0fe77993ee143f2 100644
--- a/test/core/end2end/tests/simple_request.c
+++ b/test/core/end2end/tests/simple_request.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -203,6 +203,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   GPR_ASSERT(0 == strcmp(details, "xyz"));
   GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr:1234"));
+  GPR_ASSERT(0 == call_details.flags);
   GPR_ASSERT(was_cancelled == 1);
 
   gpr_free(details);
@@ -245,3 +246,5 @@ void simple_request(grpc_end2end_test_config config) {
   }
   test_invoke_10_simple_requests(config);
 }
+
+void simple_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/trailing_metadata.c b/test/core/end2end/tests/trailing_metadata.c
index 78525e9538e73bdba9cf479ff190f132a82103ef..4dd8c12cba94430c99f37bb0004eabeeb7b83c90 100644
--- a/test/core/end2end/tests/trailing_metadata.c
+++ b/test/core/end2end/tests/trailing_metadata.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -268,3 +268,5 @@ static void test_request_response_with_metadata_and_payload(
 void trailing_metadata(grpc_end2end_test_config config) {
   test_request_response_with_metadata_and_payload(config);
 }
+
+void trailing_metadata_pre_init(void) {}
diff --git a/test/core/fling/client.c b/test/core/fling/client.c
index b36aef30935998b52a93f5dbbda0bffcc08314ef..81562277ec0db83cc4d0302a58bc7b727f365633 100644
--- a/test/core/fling/client.c
+++ b/test/core/fling/client.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,7 +41,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 #include "test/core/util/grpc_profiler.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/fling/fling_stream_test.c b/test/core/fling/fling_stream_test.c
index 78a73372aa85ce1eaa74ec156501384afa56c581..7e4daaa84fe734ec494d3787e45bde6e69cfff83 100644
--- a/test/core/fling/fling_stream_test.c
+++ b/test/core/fling/fling_stream_test.c
@@ -35,19 +35,19 @@
 #define _POSIX_SOURCE
 #endif
 
-#include <unistd.h>
 #include <assert.h>
-#include <stdio.h>
-#include <string.h>
 #include <signal.h>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <unistd.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/string_util.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/util/port.h"
 
 int main(int argc, char **argv) {
diff --git a/test/core/fling/fling_test.c b/test/core/fling/fling_test.c
index cf43ecfd2ded28eb40e81ac48313cb2e5c69cb6e..6663ad3507306998575e6cc6dac99279779df393 100644
--- a/test/core/fling/fling_test.c
+++ b/test/core/fling/fling_test.c
@@ -31,14 +31,14 @@
  *
  */
 
-#include <string.h>
 #include <stdio.h>
+#include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/subprocess.h>
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/port.h"
 
 int main(int argc, char **argv) {
diff --git a/test/core/fling/server.c b/test/core/fling/server.c
index 42be20e42d163a2299c4b050b017c4d80f8ad3f0..fd446f1128e20fafdf6dab5fbfd79e2eead76c40 100644
--- a/test/core/fling/server.c
+++ b/test/core/fling/server.c
@@ -49,7 +49,7 @@
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 #include "test/core/util/grpc_profiler.h"
 #include "test/core/util/port.h"
diff --git a/test/core/http/corpus/0299ca2580e4398d170c4a336e0c33eb2cd9d427 b/test/core/http/corpus/0299ca2580e4398d170c4a336e0c33eb2cd9d427
new file mode 100644
index 0000000000000000000000000000000000000000..3d6face56a09fb02d62e4e15f4f7de037343459b
--- /dev/null
+++ b/test/core/http/corpus/0299ca2580e4398d170c4a336e0c33eb2cd9d427
@@ -0,0 +1,2 @@
+HTTP/1.1 �200 OKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/05e613853d64a9669ea3cf41b0de777dc24931ba b/test/core/http/corpus/05e613853d64a9669ea3cf41b0de777dc24931ba
new file mode 100644
index 0000000000000000000000000000000000000000..5cbaf2e460ffb8014f4839e5393bcfb56e710429
--- /dev/null
+++ b/test/core/http/corpus/05e613853d64a9669ea3cf41b0de777dc24931ba
@@ -0,0 +1,2 @@
+HTTP/1.1 8) pMKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/069352518a1d1baa05f317c677d275cefda2ac97 b/test/core/http/corpus/069352518a1d1baa05f317c677d275cefda2ac97
new file mode 100644
index 0000000000000000000000000000000000000000..8831f0786bb1c5f5ce52009de596dd758f7ce081
--- /dev/null
+++ b/test/core/http/corpus/069352518a1d1baa05f317c677d275cefda2ac97
@@ -0,0 +1,2 @@
+HTTP/1.1 80) OKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/0925527c9358b1e10ec0f0387cd99f35204d9a34 b/test/core/http/corpus/0925527c9358b1e10ec0f0387cd99f35204d9a34
new file mode 100644
index 0000000000000000000000000000000000000000..10967d975c2354925331a9d3b367c0bcabc022ff
--- /dev/null
+++ b/test/core/http/corpus/0925527c9358b1e10ec0f0387cd99f35204d9a34
@@ -0,0 +1,2 @@
+�HTT/21. 200 HT!TP/1OKH.1HTTP 200 OKH
+tHT//1T0P.1y 2001.
\ No newline at end of file
diff --git a/test/core/http/corpus/0c5b7c2569410b526605e308309a7f36574e530d b/test/core/http/corpus/0c5b7c2569410b526605e308309a7f36574e530d
new file mode 100644
index 0000000000000000000000000000000000000000..c79e456904bae4bac20c37b3cdcc3a290e261563
--- /dev/null
+++ b/test/core/http/corpus/0c5b7c2569410b526605e308309a7f36574e530d
@@ -0,0 +1,4 @@
+H
TTP/16.1 200 OK
+test: h!ello
+
+abcd
diff --git a/test/core/http/corpus/0ef3d0a84360bb5ad66274f1226f5cb273ecdbcf b/test/core/http/corpus/0ef3d0a84360bb5ad66274f1226f5cb273ecdbcf
new file mode 100644
index 0000000000000000000000000000000000000000..7b979b5e10f583e71aa2148de452c69d32798725
--- /dev/null
+++ b/test/core/http/corpus/0ef3d0a84360bb5ad66274f1226f5cb273ecdbcf
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKH
+tHTTP/01.021  Oes,H
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/1e1273f90187fdf5df3625764245610f86af6aa4 b/test/core/http/corpus/1e1273f90187fdf5df3625764245610f86af6aa4
new file mode 100644
index 0000000000000000000000000000000000000000..67382b4f3afdec6d9c805efb43bc32ac1504223c
--- /dev/null
+++ b/test/core/http/corpus/1e1273f90187fdf5df3625764245610f86af6aa4
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKHHTTP�/1.200 OKH
+
+tHTHTTP/0 20T:tes/01.
\ No newline at end of file
diff --git a/test/core/http/corpus/1fbc57d118f3733287e9a9d808bb8947b3260e55 b/test/core/http/corpus/1fbc57d118f3733287e9a9d808bb8947b3260e55
new file mode 100644
index 0000000000000000000000000000000000000000..deb8265a30ef4f23c23b6b58aa73d9cf3eea7dcd
--- /dev/null
+++ b/test/core/http/corpus/1fbc57d118f3733287e9a9d808bb8947b3260e55
@@ -0,0 +1,3 @@
+JHTT/21. 2�0 HTTP/1.1 200 OKHHTTP�/1.200 OKH
+
+tHTHTHTJHTTPT
\ No newline at end of file
diff --git a/test/core/http/corpus/24756c396bc72894fd720092bb6f9c03e66b469f b/test/core/http/corpus/24756c396bc72894fd720092bb6f9c03e66b469f
new file mode 100644
index 0000000000000000000000000000000000000000..9f2e0e4a257fec91ed986817d82f1a32d1816ba6
--- /dev/null
+++ b/test/core/http/corpus/24756c396bc72894fd720092bb6f9c03e66b469f
@@ -0,0 +1,2 @@
+JHTT/21. 200�HTT/0OKH.1 HTTP/200 OKH
+tH1.T
\ No newline at end of file
diff --git a/test/core/http/corpus/276def41311933421ae7a9ee42e906c85b6a4d3f b/test/core/http/corpus/276def41311933421ae7a9ee42e906c85b6a4d3f
new file mode 100644
index 0000000000000000000000000000000000000000..4db04b260a5c005a58928ad25b7a4469b334dd26
--- /dev/null
+++ b/test/core/http/corpus/276def41311933421ae7a9ee42e906c85b6a4d3f
@@ -0,0 +1,2 @@
+ITTP/11 �20O HTTP/11 2*0 OKH
+	 HTDP/01.021 : OesHK
,H
diff --git a/test/core/http/corpus/29daa75432381937fd005cb25e314e328de6e9f9 b/test/core/http/corpus/29daa75432381937fd005cb25e314e328de6e9f9
new file mode 100644
index 0000000000000000000000000000000000000000..cee70bfe71a5dae8d9c03f5cab14b77beae67661
--- /dev/null
+++ b/test/core/http/corpus/29daa75432381937fd005cb25e314e328de6e9f9
@@ -0,0 +1,2 @@
+JHTT�21. 200HTT/0OKH1 HTTP/100 OKH
+tH1.T
\ No newline at end of file
diff --git a/test/core/http/corpus/2a75204bc492084ad853682f8de3fb137d5907bc b/test/core/http/corpus/2a75204bc492084ad853682f8de3fb137d5907bc
new file mode 100644
index 0000000000000000000000000000000000000000..e76b00e34c8c041841770c10da558e09d3b29a2e
--- /dev/null
+++ b/test/core/http/corpus/2a75204bc492084ad853682f8de3fb137d5907bc
@@ -0,0 +1,2 @@
+GET / HTTHTTP/1.1 200 OKH
+t10H
\ No newline at end of file
diff --git a/test/core/http/corpus/2d34ba249b755a880525cf53c665633a5e359305 b/test/core/http/corpus/2d34ba249b755a880525cf53c665633a5e359305
new file mode 100644
index 0000000000000000000000000000000000000000..7435f52ea56da075cb312861e04399b6790f4604
--- /dev/null
+++ b/test/core/http/corpus/2d34ba249b755a880525cf53c665633a5e359305
@@ -0,0 +1,2 @@
+ITTP/11 �20O HTTP/22 2*0 OKH
+	 HTDP/01.021 : OesHK
,H
diff --git a/test/core/http/corpus/33f4ea0c7ea27c37d8f95cfa64d282370efdafd2 b/test/core/http/corpus/33f4ea0c7ea27c37d8f95cfa64d282370efdafd2
new file mode 100644
index 0000000000000000000000000000000000000000..cce8ded71af47374642589fea0fc0a43bbd3d250
--- /dev/null
+++ b/test/core/http/corpus/33f4ea0c7ea27c37d8f95cfa64d282370efdafd2
@@ -0,0 +1,2 @@
+HTTP/1*9y 200 OKm
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/35554617ea6418bd43161fe9a2c337ed82d7ec5b b/test/core/http/corpus/35554617ea6418bd43161fe9a2c337ed82d7ec5b
new file mode 100644
index 0000000000000000000000000000000000000000..57efa3cabc82d100a76cdf142494381171d1eb25
--- /dev/null
+++ b/test/core/http/corpus/35554617ea6418bd43161fe9a2c337ed82d7ec5b
@@ -0,0 +1,4 @@
+JHTT/21. 200 HTTP/0OKH.1 200 OKH
+tHTTP/01.021  Oes,H
+t
+t
\ No newline at end of file
diff --git a/test/core/http/corpus/35f0c561297cfc840ddaeebb9fc61091f4eadece b/test/core/http/corpus/35f0c561297cfc840ddaeebb9fc61091f4eadece
new file mode 100644
index 0000000000000000000000000000000000000000..8df43e4dcee32d6432d1381ec5327e3e8b59d372
--- /dev/null
+++ b/test/core/http/corpus/35f0c561297cfc840ddaeebb9fc61091f4eadece
@@ -0,0 +1,2 @@
+HTTP/1.9y 200 OKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/3787bcc22ef645e665cc5f722b8a633af86de9cf b/test/core/http/corpus/3787bcc22ef645e665cc5f722b8a633af86de9cf
new file mode 100644
index 0000000000000000000000000000000000000000..4efa386f3b586308f3cb066bcf912b5edbb43cb1
--- /dev/null
+++ b/test/core/http/corpus/3787bcc22ef645e665cc5f722b8a633af86de9cf
@@ -0,0 +1,9 @@
+HTTP/1.1 200 OKH
TTP/16.1 200 OK
+tesH
+tHTTP/00.021 :Oe�,H
+test: h!eHTTP/1.1 200 OKH
+llo
+
+abcdtH
+TTP/01.021 : Oes,H
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/3953688866ccb3b4f371f1a858570d6afdb6452d b/test/core/http/corpus/3953688866ccb3b4f371f1a858570d6afdb6452d
new file mode 100644
index 0000000000000000000000000000000000000000..f85f1df035cd9a9b6de1ef7b3913ae04a97c5704
--- /dev/null
+++ b/test/core/http/corpus/3953688866ccb3b4f371f1a858570d6afdb6452d
@@ -0,0 +1,3 @@
+�HTTP/1.1 200 HH
+OK 	
TDP/01.021 : Oe:,H
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/39b19c41ba537f37511eff7727733715db432e76 b/test/core/http/corpus/39b19c41ba537f37511eff7727733715db432e76
new file mode 100644
index 0000000000000000000000000000000000000000..fefa4512a87f2832e16709821b5f0a91ab62e50a
--- /dev/null
+++ b/test/core/http/corpus/39b19c41ba537f37511eff7727733715db432e76
@@ -0,0 +1,2 @@
+HTTP/1.1 000 OKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/3e3c4756d5e40b5aa250954cbac86b826e70a7ac b/test/core/http/corpus/3e3c4756d5e40b5aa250954cbac86b826e70a7ac
new file mode 100644
index 0000000000000000000000000000000000000000..b967b57614d58f6167124e16f86f3036a76dbdd6
--- /dev/null
+++ b/test/core/http/corpus/3e3c4756d5e40b5aa250954cbac86b826e70a7ac
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKH
+tHTTP/01.021 : Oes,H
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/3f03265921120c6ffa61b944e213e062a5538d4b b/test/core/http/corpus/3f03265921120c6ffa61b944e213e062a5538d4b
new file mode 100644
index 0000000000000000000000000000000000000000..8af90071c39bc6a0f844f39c5f25a63cd039a912
--- /dev/null
+++ b/test/core/http/corpus/3f03265921120c6ffa61b944e213e062a5538d4b
@@ -0,0 +1,2 @@
+@TTP/1.1y 002�OKH
+ves
\ No newline at end of file
diff --git a/test/core/http/corpus/3fb034e66ee5494a67acae1b4e6ff64ba92a2046 b/test/core/http/corpus/3fb034e66ee5494a67acae1b4e6ff64ba92a2046
new file mode 100644
index 0000000000000000000000000000000000000000..7d20266703cc498896c3849345c3cecb70213579
--- /dev/null
+++ b/test/core/http/corpus/3fb034e66ee5494a67acae1b4e6ff64ba92a2046
@@ -0,0 +1,2 @@
+HTTP/1.1y 200 OKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/466059ed07a0d55d6ad5e522c7d367cbf278eaf9 b/test/core/http/corpus/466059ed07a0d55d6ad5e522c7d367cbf278eaf9
new file mode 100644
index 0000000000000000000000000000000000000000..5996b9a75ccf831c38e80b469d75c49243fba62c
--- /dev/null
+++ b/test/core/http/corpus/466059ed07a0d55d6ad5e522c7d367cbf278eaf9
@@ -0,0 +1,4 @@
+JHTTP/1.1 +00 HTTP/1.1 200 OKHHTTPOKH
�/1.
+200 OKtH
+
+tHTH
\ No newline at end of file
diff --git a/test/core/http/corpus/487725eb38511c79a9340bf4560a1411061fa6fa b/test/core/http/corpus/487725eb38511c79a9340bf4560a1411061fa6fa
new file mode 100644
index 0000000000000000000000000000000000000000..c59c4d22466241b1bbc1f3f8443d1b1163157d26
--- /dev/null
+++ b/test/core/http/corpus/487725eb38511c79a9340bf4560a1411061fa6fa
@@ -0,0 +1,2 @@
+HTTP/01.021  O,H
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/48b9b205cae8ac21512a3f26f49fd53e21ee13c5 b/test/core/http/corpus/48b9b205cae8ac21512a3f26f49fd53e21ee13c5
new file mode 100644
index 0000000000000000000000000000000000000000..8ac7ceb2d5fe461e1f7e587c3dc86739e25867ae
--- /dev/null
+++ b/test/core/http/corpus/48b9b205cae8ac21512a3f26f49fd53e21ee13c5
@@ -0,0 +1,2 @@
+ITTP/11 �20O HK
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/4b1f1f79a0bfa3f942479dd5f8edb59a7c257c55 b/test/core/http/corpus/4b1f1f79a0bfa3f942479dd5f8edb59a7c257c55
new file mode 100644
index 0000000000000000000000000000000000000000..49d1c8f1d2ea0cc99e1de0f3af12de88d79cbead
--- /dev/null
+++ b/test/core/http/corpus/4b1f1f79a0bfa3f942479dd5f8edb59a7c257c55
@@ -0,0 +1,2 @@
+HTTP/1.1 200 OKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/5028c56a5116a186b7343ff59567b47347a0796d b/test/core/http/corpus/5028c56a5116a186b7343ff59567b47347a0796d
new file mode 100644
index 0000000000000000000000000000000000000000..5f2c4dfef053b6a3552d2cd818936315b2acd83e
--- /dev/null
+++ b/test/core/http/corpus/5028c56a5116a186b7343ff59567b47347a0796d
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKH
+	 HTDP/01.021 : Oes,H
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/533f62b3f495ce704babf3ee8d840f196a714dff b/test/core/http/corpus/533f62b3f495ce704babf3ee8d840f196a714dff
new file mode 100644
index 0000000000000000000000000000000000000000..6313cd967a09127088bfd5b32ca92f53a69b8512
--- /dev/null
+++ b/test/core/http/corpus/533f62b3f495ce704babf3ee8d840f196a714dff
@@ -0,0 +1,4 @@
+JHTT/21. 200 HTTP/1OKH.1 200 OKH
+tHTTP/01.021  Oes,H
+t
+t
\ No newline at end of file
diff --git a/test/core/http/corpus/5892cbb284771fc9761caae37b19cd6e27dbc104 b/test/core/http/corpus/5892cbb284771fc9761caae37b19cd6e27dbc104
new file mode 100644
index 0000000000000000000000000000000000000000..fee55121522adfced26d07f3ef733c379c427772
--- /dev/null
+++ b/test/core/http/corpus/5892cbb284771fc9761caae37b19cd6e27dbc104
@@ -0,0 +1,2 @@
+J�HTTP�/1.200:OKHHT�/21. 2�0 HTTP/
+1.1 200 OKHHTtTP�
\ No newline at end of file
diff --git a/test/core/http/corpus/5aeab6e4f7c2a1c09d4ac0dbdb3beac4893607ee b/test/core/http/corpus/5aeab6e4f7c2a1c09d4ac0dbdb3beac4893607ee
new file mode 100644
index 0000000000000000000000000000000000000000..bd7e239537263af4e6b066c146e961969200f043
--- /dev/null
+++ b/test/core/http/corpus/5aeab6e4f7c2a1c09d4ac0dbdb3beac4893607ee
@@ -0,0 +1,2 @@
+ITTP/11 �20O HTTP/11 2*0 OKH
+	 HTDP/01.021 : OesHK
,H
diff --git a/test/core/http/corpus/5b6292bdf009b0daecbc90b85cca30a88c36eec5 b/test/core/http/corpus/5b6292bdf009b0daecbc90b85cca30a88c36eec5
new file mode 100644
index 0000000000000000000000000000000000000000..9a15ab025fe403cbb5b4eb5e92e3ba7e52e8b9c8
--- /dev/null
+++ b/test/core/http/corpus/5b6292bdf009b0daecbc90b85cca30a88c36eec5
@@ -0,0 +1,2 @@
+HTTP/1. 200 OKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/5c1659b77678b41faa4fa13df7772dae3238d1c0 b/test/core/http/corpus/5c1659b77678b41faa4fa13df7772dae3238d1c0
new file mode 100644
index 0000000000000000000000000000000000000000..480708e0333823590e5ec5521a0bd310ba157e45
--- /dev/null
+++ b/test/core/http/corpus/5c1659b77678b41faa4fa13df7772dae3238d1c0
@@ -0,0 +1,2 @@
+@TTP/1.1y�00'JHTTP/1.1 +00�O�H HTTP/
+ve1.1 200s
\ No newline at end of file
diff --git a/test/core/http/corpus/5c81f61621e29ec9c6a64ac3af9b3b216141618e b/test/core/http/corpus/5c81f61621e29ec9c6a64ac3af9b3b216141618e
new file mode 100644
index 0000000000000000000000000000000000000000..0ed0dfadecc62e367ceb51b36de2f512ad8e95fb
--- /dev/null
+++ b/test/core/http/corpus/5c81f61621e29ec9c6a64ac3af9b3b216141618e
@@ -0,0 +1,2 @@
+ITTP/11 �20O HTTP/1.1 200 OKH
+	 HTDP/01.021 : OesHK
,H
diff --git a/test/core/http/corpus/657368df512ca6294b9df16adf935a3f374a8be2 b/test/core/http/corpus/657368df512ca6294b9df16adf935a3f374a8be2
new file mode 100644
index 0000000000000000000000000000000000000000..1f14f69103f1b1bf0301cbb002dd3b7fa2d12455
--- /dev/null
+++ b/test/core/http/corpus/657368df512ca6294b9df16adf935a3f374a8be2
@@ -0,0 +1,3 @@
+HTT
+/1.1 201 OKH
+des
\ No newline at end of file
diff --git a/test/core/http/corpus/7fc4520094902ce2c760d70eaad5b674d2817337 b/test/core/http/corpus/7fc4520094902ce2c760d70eaad5b674d2817337
new file mode 100644
index 0000000000000000000000000000000000000000..8fc481d92b26072a08e5effb366041c1361fb022
--- /dev/null
+++ b/test/core/http/corpus/7fc4520094902ce2c760d70eaad5b674d2817337
@@ -0,0 +1,5 @@
+JHTTP/1.GET / HTTP/1.0
+1 200 OKH
+
+
+t
\ No newline at end of file
diff --git a/test/core/http/corpus/81f59a12b458ec3604035cb962165c604d1355e6 b/test/core/http/corpus/81f59a12b458ec3604035cb962165c604d1355e6
new file mode 100644
index 0000000000000000000000000000000000000000..d4223ccf818797c9d4f9c953580632ea8a99c2bf
--- /dev/null
+++ b/test/core/http/corpus/81f59a12b458ec3604035cb962165c604d1355e6
@@ -0,0 +1,2 @@
+HTTP/1.1 8p) )MKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/8f41c50e88ee8c17ecad3d41d63d38fb12aca0b9 b/test/core/http/corpus/8f41c50e88ee8c17ecad3d41d63d38fb12aca0b9
new file mode 100644
index 0000000000000000000000000000000000000000..99e2c48bbd4a6c1fc760a59d83799e19a1d26bfc
--- /dev/null
+++ b/test/core/http/corpus/8f41c50e88ee8c17ecad3d41d63d38fb12aca0b9
@@ -0,0 +1,4 @@
+HTTP/1.1 200 OKH
+tHTHTTP/1. 20TP/01.020(: Oes,H0 OKH
+
+tteses
\ No newline at end of file
diff --git a/test/core/http/corpus/97c16de7fe3c390a2e6c09ff5c28f17d5c67542c b/test/core/http/corpus/97c16de7fe3c390a2e6c09ff5c28f17d5c67542c
new file mode 100644
index 0000000000000000000000000000000000000000..776253d750ef1f8fccd4ed182b0816ae94605249
--- /dev/null
+++ b/test/core/http/corpus/97c16de7fe3c390a2e6c09ff5c28f17d5c67542c
@@ -0,0 +1,2 @@
+ITTp/11 �20O HTTP/*1.1 200 OKH
+	 HTDP/02.021 : OesHK
,H
diff --git a/test/core/http/corpus/97e4499d450c95660de86747f527e670f2012548 b/test/core/http/corpus/97e4499d450c95660de86747f527e670f2012548
new file mode 100644
index 0000000000000000000000000000000000000000..b1927fbf63d500ef7ad9b79e387e30639e83cd01
--- /dev/null
+++ b/test/core/http/corpus/97e4499d450c95660de86747f527e670f2012548
@@ -0,0 +1,3 @@
+HTHHTT`TT
+/1.1 201 P*/OKH
+des1.1 2T
\ No newline at end of file
diff --git a/test/core/http/corpus/9a996857196e0998a1278994a9bab3d35526e7f1 b/test/core/http/corpus/9a996857196e0998a1278994a9bab3d35526e7f1
new file mode 100644
index 0000000000000000000000000000000000000000..0eb2c0da3a9fda952922b8b82c545004e3dc40b2
--- /dev/null
+++ b/test/core/http/corpus/9a996857196e0998a1278994a9bab3d35526e7f1
@@ -0,0 +1,2 @@
+@TTP/1.1y�002�OKH
+ves
\ No newline at end of file
diff --git a/test/core/http/corpus/9b7e00049ec356ecd84b1747e4e1941140139ae8 b/test/core/http/corpus/9b7e00049ec356ecd84b1747e4e1941140139ae8
new file mode 100644
index 0000000000000000000000000000000000000000..f93b9a08e302e815f4e7fdfd1fc26e45e9f1b050
--- /dev/null
+++ b/test/core/http/corpus/9b7e00049ec356ecd84b1747e4e1941140139ae8
@@ -0,0 +1,3 @@
+�HTT/21. 200 HTTP/1.1 HT!TP/1OKH.1HTTP 200 OKH
+tHT/:/80 OKH
+1
\ No newline at end of file
diff --git a/test/core/http/corpus/9f0c38ec455cc363369b3674a2d32bc21c206de1 b/test/core/http/corpus/9f0c38ec455cc363369b3674a2d32bc21c206de1
new file mode 100644
index 0000000000000000000000000000000000000000..4ea07dc1371c69e82af757c07227b5d66a7e2f95
--- /dev/null
+++ b/test/core/http/corpus/9f0c38ec455cc363369b3674a2d32bc21c206de1
@@ -0,0 +1,5 @@
+JHTTP/1>GET / HTTP/2.0
+1 200 OKH
+
+
+t
\ No newline at end of file
diff --git a/test/core/http/corpus/a1dc7bc235e46eb21d91084d7b52d5ff9f45df85 b/test/core/http/corpus/a1dc7bc235e46eb21d91084d7b52d5ff9f45df85
new file mode 100644
index 0000000000000000000000000000000000000000..2e95bac35c90236eee57cda63d1421fda121cea6
--- /dev/null
+++ b/test/core/http/corpus/a1dc7bc235e46eb21d91084d7b52d5ff9f45df85
@@ -0,0 +1,3 @@
+�HTT/21. 200 HTTP/1.1 HT!TP/1OKH.1HTTP 200 OKH
+tHT//80) OKH
+1
\ No newline at end of file
diff --git a/test/core/http/corpus/aa3bbb876eafa8ad8ca4ff2eabc6dd94341d2441 b/test/core/http/corpus/aa3bbb876eafa8ad8ca4ff2eabc6dd94341d2441
new file mode 100644
index 0000000000000000000000000000000000000000..837449dda3500744c82b2d9baf26a509eccbf278
--- /dev/null
+++ b/test/core/http/corpus/aa3bbb876eafa8ad8ca4ff2eabc6dd94341d2441
@@ -0,0 +1,2 @@
+HTTP/1.1 80� OH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/ae8ba95d7dbe99926a8f5bfd80347fd6a4b616a0 b/test/core/http/corpus/ae8ba95d7dbe99926a8f5bfd80347fd6a4b616a0
new file mode 100644
index 0000000000000000000000000000000000000000..6075d0a5d7a21f6832fcae80b8e5945b082c3766
--- /dev/null
+++ b/test/core/http/corpus/ae8ba95d7dbe99926a8f5bfd80347fd6a4b616a0
@@ -0,0 +1,17 @@
+HTTP/1.1 200 OKH
TTP/16.1 200 OK
+tesH
+tHHTTP/1.1 20TTP/00.021 :Oe�,H
+test: h!eHTTP/1.1 200 OKH
+llo
+
+abcdtH
+TTP/01.021 : Oes,0 OKH
TTP/16.1 200 OK
+tesH
+tHTTP/00.021 :Oe�,H
+test: h!eHTTP/1.1 200 OKH
+llo
+
+abcdtH
+TTP/01.021 : Oes,H
+Ht
+teses
\ No newline at end of file
diff --git a/test/core/http/corpus/b04fea5c041c707db0ad9c09a81672557b52cc47 b/test/core/http/corpus/b04fea5c041c707db0ad9c09a81672557b52cc47
new file mode 100644
index 0000000000000000000000000000000000000000..10905bed391fd1f694a8755b83279c00d7bcb7ce
--- /dev/null
+++ b/test/core/http/corpus/b04fea5c041c707db0ad9c09a81672557b52cc47
@@ -0,0 +1,2 @@
+JHTTP/1.1 200 OKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/c4acff8aa2ff886f35439f72625d05002990c940 b/test/core/http/corpus/c4acff8aa2ff886f35439f72625d05002990c940
new file mode 100644
index 0000000000000000000000000000000000000000..4539d9f01284adb61265d729972e9056a8cbfa5d
--- /dev/null
+++ b/test/core/http/corpus/c4acff8aa2ff886f35439f72625d05002990c940
@@ -0,0 +1,4 @@
+JHTT/21. 200 HTTP/2OKH.1 200 OKH
+tHTTP/01.021  Oes,H
+t
+t
\ No newline at end of file
diff --git a/test/core/http/corpus/c55ce9995b002e88a102ae2891a71e8bacb346c8 b/test/core/http/corpus/c55ce9995b002e88a102ae2891a71e8bacb346c8
new file mode 100644
index 0000000000000000000000000000000000000000..2704e4fb3929afa709fc4a290f04a6d2e574815f
--- /dev/null
+++ b/test/core/http/corpus/c55ce9995b002e88a102ae2891a71e8bacb346c8
@@ -0,0 +1,2 @@
+HTTP/1.1 767) OKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/ca5a0c00b8969310acb73d15ad0d0c602f1bd0c2 b/test/core/http/corpus/ca5a0c00b8969310acb73d15ad0d0c602f1bd0c2
new file mode 100644
index 0000000000000000000000000000000000000000..f5cbbc69e78e686b29f398050d6996040ab1b6d7
--- /dev/null
+++ b/test/core/http/corpus/ca5a0c00b8969310acb73d15ad0d0c602f1bd0c2
@@ -0,0 +1,3 @@
+HJHTHHTT`TT
+/1.1 201 P*HHTT/T1/OKH
+des1.1 2.1T 20T1
\ No newline at end of file
diff --git a/test/core/http/corpus/cce734f1b263de6994f7950e0df7bf0c81449f70 b/test/core/http/corpus/cce734f1b263de6994f7950e0df7bf0c81449f70
new file mode 100644
index 0000000000000000000000000000000000000000..f6ea09c41bc113501ca8472dd17b3acd59c3bc8f
--- /dev/null
+++ b/test/core/http/corpus/cce734f1b263de6994f7950e0df7bf0c81449f70
@@ -0,0 +1,3 @@
+JHTT/21. 200 HTTPHTTP/1.1 80� OH/1OKH.0 200 OKH
+tHTTP/0
+te
\ No newline at end of file
diff --git a/test/core/http/corpus/d39c8ee11a697634a09b309460c0bbd967e7effa b/test/core/http/corpus/d39c8ee11a697634a09b309460c0bbd967e7effa
new file mode 100644
index 0000000000000000000000000000000000000000..e241a0c01c122bcc2d31213b84d5ce1b54290739
--- /dev/null
+++ b/test/core/http/corpus/d39c8ee11a697634a09b309460c0bbd967e7effa
@@ -0,0 +1,17 @@
+HTTP/1.1 200 OKH
TTP/16.1 200 OK
+tesHTTP/1.1 200 OKH
TTP/16.1 200 OK
+tesH
+tHTTP/00.021 :Oe�,H
+test: h!eHTTP/1.1 200H
+tHTTP/00.010 :Oe�,H
+test: h!eHTTP/1.� 200 OKH
+llo
+
+abcdtH
+TTP/01.02 : Oes,H OKH
+llo
+
+abcdtH
+TTP/01.021 : Oes
,
+H
+tteess
\ No newline at end of file
diff --git a/test/core/http/corpus/d4c3e4cf5d035596433c30eaabbd2b2925f4b453 b/test/core/http/corpus/d4c3e4cf5d035596433c30eaabbd2b2925f4b453
new file mode 100644
index 0000000000000000000000000000000000000000..be33d81102ffbb55918a2cc10d14243fd954e259
--- /dev/null
+++ b/test/core/http/corpus/d4c3e4cf5d035596433c30eaabbd2b2925f4b453
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKH
+ HTTP/01.021 : Oes,H
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/d51f7fcc089f269c7afecaaca51966bab5fde629 b/test/core/http/corpus/d51f7fcc089f269c7afecaaca51966bab5fde629
new file mode 100644
index 0000000000000000000000000000000000000000..e81a59f30b37da2b99b9fd08b36ed5a5eb69c022
--- /dev/null
+++ b/test/core/http/corpus/d51f7fcc089f269c7afecaaca51966bab5fde629
@@ -0,0 +1,2 @@
+�HTTP�/1.200:OKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/d936dad71c129cf659097dc3db64550c4dd467f4 b/test/core/http/corpus/d936dad71c129cf659097dc3db64550c4dd467f4
new file mode 100644
index 0000000000000000000000000000000000000000..ccf918751dcce70df39389f74224adab2a819acc
--- /dev/null
+++ b/test/core/http/corpus/d936dad71c129cf659097dc3db64550c4dd467f4
@@ -0,0 +1,2 @@
+HTTP�/1.200 OKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/e275b0466a8fb8d9e0e15856e343ddc7112ae66b b/test/core/http/corpus/e275b0466a8fb8d9e0e15856e343ddc7112ae66b
new file mode 100644
index 0000000000000000000000000000000000000000..b6fc095920f2113eb16c1988dee29ede0ae014e0
--- /dev/null
+++ b/test/core/http/corpus/e275b0466a8fb8d9e0e15856e343ddc7112ae66b
@@ -0,0 +1,3 @@
+JHTT/21. 200 HTTRHTTP/1.1 0� OL/1OKH.0 200 OKH
+tHTTP/0
+te
\ No newline at end of file
diff --git a/test/core/http/corpus/e5c364b205855a2991ce07482aebb2a3a6147089 b/test/core/http/corpus/e5c364b205855a2991ce07482aebb2a3a6147089
new file mode 100644
index 0000000000000000000000000000000000000000..98b5f62b2a02bbbc030523ab91d57c6a41637aeb
--- /dev/null
+++ b/test/core/http/corpus/e5c364b205855a2991ce07482aebb2a3a6147089
@@ -0,0 +1,2 @@
+TTHP�/1.200 OKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/ee2077e08c3cfccd9bd82adb574ac4fc7d429afb b/test/core/http/corpus/ee2077e08c3cfccd9bd82adb574ac4fc7d429afb
new file mode 100644
index 0000000000000000000000000000000000000000..78b36c913ba711693f8749c6659b8c217c80fd11
--- /dev/null
+++ b/test/core/http/corpus/ee2077e08c3cfccd9bd82adb574ac4fc7d429afb
@@ -0,0 +1,2 @@
+ITHTTTPHT/12 �2S HTKP/1.1 767) OKH
+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/fc5d4b9117ba9e87388174aee4f4970bdfe8d066 b/test/core/http/corpus/fc5d4b9117ba9e87388174aee4f4970bdfe8d066
new file mode 100644
index 0000000000000000000000000000000000000000..06f1a3b80025dac31d201a6244839c218bfc9cad
--- /dev/null
+++ b/test/core/http/corpus/fc5d4b9117ba9e87388174aee4f4970bdfe8d066
@@ -0,0 +1 @@
+HH
\ No newline at end of file
diff --git a/test/core/http/corpus/fdeb2c7daa9e7704f67e141106384e6dd0042c0b b/test/core/http/corpus/fdeb2c7daa9e7704f67e141106384e6dd0042c0b
new file mode 100644
index 0000000000000000000000000000000000000000..eb63d31fa513c19ffb0e7fafe1cfba93ffa32ce0
--- /dev/null
+++ b/test/core/http/corpus/fdeb2c7daa9e7704f67e141106384e6dd0042c0b
@@ -0,0 +1,2 @@
+ITTP/11 �20O HTTP/1.1 200 OKH
+HT 	DP/01021 : OesHK
,H
diff --git a/test/core/http/corpus/request1.txt b/test/core/http/corpus/request1.txt
new file mode 100644
index 0000000000000000000000000000000000000000..16a750fbf9bf1a081fe5a6eef748685e951c7c45
--- /dev/null
+++ b/test/core/http/corpus/request1.txt
@@ -0,0 +1,3 @@
+GET / HTTP/1.0
+
+
diff --git a/test/core/http/corpus/request2.txt b/test/core/http/corpus/request2.txt
new file mode 100644
index 0000000000000000000000000000000000000000..897a28406cac5e3e8ef11dedde316875a7d36cd0
--- /dev/null
+++ b/test/core/http/corpus/request2.txt
@@ -0,0 +1,3 @@
+GET / HTTP/1.0
+Content-Length: 128
+
diff --git a/test/core/http/corpus/request3.txt b/test/core/http/corpus/request3.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aaa75bbb52a9380019e1067f1bf3dff865fc7e4d
--- /dev/null
+++ b/test/core/http/corpus/request3.txt
@@ -0,0 +1,3 @@
+GET / HTTP/1.1
+Content-Length: 128
+
diff --git a/test/core/http/corpus/request4.txt b/test/core/http/corpus/request4.txt
new file mode 100644
index 0000000000000000000000000000000000000000..593f6fa7b6761a924bfd8c688910e02dfd04de88
--- /dev/null
+++ b/test/core/http/corpus/request4.txt
@@ -0,0 +1,3 @@
+GET /foo.bar HTTP/1.1
+Content-Length: 128
+
diff --git a/test/core/http/corpus/request5.txt b/test/core/http/corpus/request5.txt
new file mode 100644
index 0000000000000000000000000000000000000000..19fb24435527e05b786dc8156af5b079457cff6b
--- /dev/null
+++ b/test/core/http/corpus/request5.txt
@@ -0,0 +1,3 @@
+POST / HTTP/1.0
+
+asdlfkjadsfl;akdjsfasdf
diff --git a/test/core/http/corpus/response1.txt b/test/core/http/corpus/response1.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a17139982e7b0f79becc8f45ab5e10264dae7698
--- /dev/null
+++ b/test/core/http/corpus/response1.txt
@@ -0,0 +1,4 @@
+HTTP/1.1 200 OK
+test: hello
+
+abcd
diff --git a/test/core/http/corpus/response2.txt b/test/core/http/corpus/response2.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1b86449bb6fdde0086a8dee721192a3ae6486fba
--- /dev/null
+++ b/test/core/http/corpus/response2.txt
@@ -0,0 +1,4 @@
+HTTP/0.9 200 OK
+test: hello
+
+abcd
diff --git a/test/core/http/corpus/response3.txt b/test/core/http/corpus/response3.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9e5b046c5949241ca88d32d4c8b4b3ac65f51cb9
--- /dev/null
+++ b/test/core/http/corpus/response3.txt
@@ -0,0 +1,5 @@
+HTTP/0.9 200 OK
+test: hello
+content-length: 102384398
+
+abcd
diff --git a/test/core/http/corpus/response4.txt b/test/core/http/corpus/response4.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b237b01fe0e3d0c1e4e0a423e4348096f6215d21
--- /dev/null
+++ b/test/core/http/corpus/response4.txt
@@ -0,0 +1,2 @@
+HTTP/1.1 404 Not Found
+
diff --git a/test/core/http/corpus/response5.txt b/test/core/http/corpus/response5.txt
new file mode 100644
index 0000000000000000000000000000000000000000..263059571305080d5acd60a12256c4959073c167
--- /dev/null
+++ b/test/core/http/corpus/response5.txt
@@ -0,0 +1,5 @@
+HTTP/0.9 200 OK
+test: hello
+content-length: 4
+
+abcd
diff --git a/test/core/http/corpus/response6.txt b/test/core/http/corpus/response6.txt
new file mode 100644
index 0000000000000000000000000000000000000000..797b6ee773511b78e0b201d647be8af12b63125a
--- /dev/null
+++ b/test/core/http/corpus/response6.txt
@@ -0,0 +1,5 @@
+HTTP/0.9 200 OK
+test: hello
+content-length: 6
+
+abcd
diff --git a/test/core/http/corpus/toolong.txt b/test/core/http/corpus/toolong.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9a9d5e2fc3fc6b6ec760f9e4f3bf8980ccd7de5e
--- /dev/null
+++ b/test/core/http/corpus/toolong.txt
@@ -0,0 +1,2 @@
+GET / HTTP/1.1
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb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diff --git a/test/core/httpcli/format_request_test.c b/test/core/http/format_request_test.c
similarity index 89%
rename from test/core/httpcli/format_request_test.c
rename to test/core/http/format_request_test.c
index da850049e20dafed7e32a7b11f26b5463b1b760a..0d21e1200b1231e736261523d8f8e0e92dd7f034 100644
--- a/test/core/httpcli/format_request_test.c
+++ b/test/core/http/format_request_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/httpcli/format_request.h"
+#include "src/core/lib/http/format_request.h"
 
 #include <string.h>
 
@@ -39,15 +39,15 @@
 #include "test/core/util/test_config.h"
 
 static void test_format_get_request(void) {
-  grpc_httpcli_header hdr = {"x-yz", "abc"};
+  grpc_http_header hdr = {"x-yz", "abc"};
   grpc_httpcli_request req;
   gpr_slice slice;
 
   memset(&req, 0, sizeof(req));
   req.host = "example.com";
-  req.path = "/index.html";
-  req.hdr_count = 1;
-  req.hdrs = &hdr;
+  req.http.path = "/index.html";
+  req.http.hdr_count = 1;
+  req.http.hdrs = &hdr;
 
   slice = grpc_httpcli_format_get_request(&req);
 
@@ -64,7 +64,7 @@ static void test_format_get_request(void) {
 }
 
 static void test_format_post_request(void) {
-  grpc_httpcli_header hdr = {"x-yz", "abc"};
+  grpc_http_header hdr = {"x-yz", "abc"};
   grpc_httpcli_request req;
   gpr_slice slice;
   char body_bytes[] = "fake body";
@@ -72,9 +72,9 @@ static void test_format_post_request(void) {
 
   memset(&req, 0, sizeof(req));
   req.host = "example.com";
-  req.path = "/index.html";
-  req.hdr_count = 1;
-  req.hdrs = &hdr;
+  req.http.path = "/index.html";
+  req.http.hdr_count = 1;
+  req.http.hdrs = &hdr;
 
   slice = grpc_httpcli_format_post_request(&req, body_bytes, body_len);
 
@@ -94,15 +94,15 @@ static void test_format_post_request(void) {
 }
 
 static void test_format_post_request_no_body(void) {
-  grpc_httpcli_header hdr = {"x-yz", "abc"};
+  grpc_http_header hdr = {"x-yz", "abc"};
   grpc_httpcli_request req;
   gpr_slice slice;
 
   memset(&req, 0, sizeof(req));
   req.host = "example.com";
-  req.path = "/index.html";
-  req.hdr_count = 1;
-  req.hdrs = &hdr;
+  req.http.path = "/index.html";
+  req.http.hdr_count = 1;
+  req.http.hdrs = &hdr;
 
   slice = grpc_httpcli_format_post_request(&req, NULL, 0);
 
@@ -119,7 +119,7 @@ static void test_format_post_request_no_body(void) {
 }
 
 static void test_format_post_request_content_type_override(void) {
-  grpc_httpcli_header hdrs[2];
+  grpc_http_header hdrs[2];
   grpc_httpcli_request req;
   gpr_slice slice;
   char body_bytes[] = "fake%20body";
@@ -131,9 +131,9 @@ static void test_format_post_request_content_type_override(void) {
   hdrs[1].value = "application/x-www-form-urlencoded";
   memset(&req, 0, sizeof(req));
   req.host = "example.com";
-  req.path = "/index.html";
-  req.hdr_count = 2;
-  req.hdrs = hdrs;
+  req.http.path = "/index.html";
+  req.http.hdr_count = 2;
+  req.http.hdrs = hdrs;
 
   slice = grpc_httpcli_format_post_request(&req, body_bytes, body_len);
 
@@ -142,8 +142,7 @@ static void test_format_post_request_content_type_override(void) {
                       "POST /index.html HTTP/1.0\r\n"
                       "Host: example.com\r\n"
                       "Connection: close\r\n"
-                      "User-Agent: " GRPC_HTTPCLI_USER_AGENT
-                      "\r\n"
+                      "User-Agent: " GRPC_HTTPCLI_USER_AGENT "\r\n"
                       "x-yz: abc\r\n"
                       "Content-Type: application/x-www-form-urlencoded\r\n"
                       "Content-Length: 11\r\n"
diff --git a/src/core/client_config/resolvers/zookeeper_resolver.h b/test/core/http/fuzzer.c
similarity index 77%
rename from src/core/client_config/resolvers/zookeeper_resolver.h
rename to test/core/http/fuzzer.c
index a6f002dd6d487bc7bb098fa4991cbf86ee744865..7e4f4eb993d1db9201aa9e9e4fc53d4d393cf989 100644
--- a/src/core/client_config/resolvers/zookeeper_resolver.h
+++ b/test/core/http/fuzzer.c
@@ -31,12 +31,20 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_ZOOKEEPER_RESOLVER_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_ZOOKEEPER_RESOLVER_H
+#include <stdint.h>
+#include <string.h>
 
-#include "src/core/client_config/resolver_factory.h"
+#include <grpc/support/alloc.h>
 
-/** Create a zookeeper resolver factory */
-grpc_resolver_factory *grpc_zookeeper_resolver_factory_create(void);
+#include "src/core/lib/http/parser.h"
 
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_ZOOKEEPER_RESOLVER_H */
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  grpc_http_parser parser;
+  grpc_http_parser_init(&parser);
+  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_http_parser_parse(&parser, slice);
+  grpc_http_parser_eof(&parser);
+  gpr_slice_unref(slice);
+  grpc_http_parser_destroy(&parser);
+  return 0;
+}
diff --git a/test/core/httpcli/httpcli_test.c b/test/core/http/httpcli_test.c
similarity index 86%
rename from test/core/httpcli/httpcli_test.c
rename to test/core/http/httpcli_test.c
index da1463329d4c731495a64351a4d19e860f2467b4..d3a68d0eb8758f722cd7ff4092f2b725567b43ff 100644
--- a/test/core/httpcli/httpcli_test.c
+++ b/test/core/http/httpcli_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/httpcli/httpcli.h"
+#include "src/core/lib/http/httpcli.h"
 
 #include <string.h>
 
@@ -41,7 +41,7 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/subprocess.h>
 #include <grpc/support/sync.h>
-#include "src/core/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -83,7 +83,7 @@ static void test_get(int port) {
 
   memset(&req, 0, sizeof(req));
   req.host = host;
-  req.path = "/get";
+  req.http.path = "/get";
   req.handshaker = &grpc_httpcli_plaintext;
 
   grpc_httpcli_get(&exec_ctx, &g_context, g_pollset, &req, n_seconds_time(15),
@@ -114,7 +114,7 @@ static void test_post(int port) {
 
   memset(&req, 0, sizeof(req));
   req.host = host;
-  req.path = "/post";
+  req.http.path = "/post";
   req.handshaker = &grpc_httpcli_plaintext;
 
   grpc_httpcli_post(&exec_ctx, &g_context, g_pollset, &req, "hello", 5,
@@ -144,31 +144,35 @@ int main(int argc, char **argv) {
   char *lslash = strrchr(me, '/');
   char *args[4];
   int port = grpc_pick_unused_port_or_die();
+  int arg_shift = 0;
+  /* figure out where we are */
+  char *root;
+  if (lslash) {
+    root = gpr_malloc((size_t)(lslash - me + 1));
+    memcpy(root, me, (size_t)(lslash - me));
+    root[lslash - me] = 0;
+  } else {
+    root = gpr_strdup(".");
+  }
 
   GPR_ASSERT(argc <= 2);
   if (argc == 2) {
     args[0] = gpr_strdup(argv[1]);
   } else {
-    /* figure out where we are */
-    char *root;
-    if (lslash) {
-      root = gpr_malloc((size_t)(lslash - me + 1));
-      memcpy(root, me, (size_t)(lslash - me));
-      root[lslash - me] = 0;
-    } else {
-      root = gpr_strdup(".");
-    }
-    gpr_asprintf(&args[0], "%s/../../test/core/httpcli/test_server.py", root);
-    gpr_free(root);
+    arg_shift = 1;
+    gpr_asprintf(&args[0], "%s/../../tools/distrib/python_wrapper.sh", root);
+    gpr_asprintf(&args[1], "%s/../../test/core/http/test_server.py", root);
   }
 
   /* start the server */
-  args[1] = "--port";
-  gpr_asprintf(&args[2], "%d", port);
-  server = gpr_subprocess_create(3, (const char **)args);
+  args[1 + arg_shift] = "--port";
+  gpr_asprintf(&args[2 + arg_shift], "%d", port);
+  server = gpr_subprocess_create(3 + arg_shift, (const char **)args);
   GPR_ASSERT(server);
   gpr_free(args[0]);
-  gpr_free(args[2]);
+  if (arg_shift) gpr_free(args[1]);
+  gpr_free(args[2 + arg_shift]);
+  gpr_free(root);
 
   gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
                                gpr_time_from_seconds(5, GPR_TIMESPAN)));
diff --git a/test/core/httpcli/httpscli_test.c b/test/core/http/httpscli_test.c
similarity index 86%
rename from test/core/httpcli/httpscli_test.c
rename to test/core/http/httpscli_test.c
index 7f765bc614f2682c876acd03d83841b76eb19938..d807336904603b236f10ae0625cc630e574416ab 100644
--- a/test/core/httpcli/httpscli_test.c
+++ b/test/core/http/httpscli_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/httpcli/httpcli.h"
+#include "src/core/lib/http/httpcli.h"
 
 #include <string.h>
 
@@ -41,7 +41,7 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/subprocess.h>
 #include <grpc/support/sync.h>
-#include "src/core/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -84,7 +84,7 @@ static void test_get(int port) {
   memset(&req, 0, sizeof(req));
   req.host = host;
   req.ssl_host_override = "foo.test.google.fr";
-  req.path = "/get";
+  req.http.path = "/get";
   req.handshaker = &grpc_httpcli_ssl;
 
   grpc_httpcli_get(&exec_ctx, &g_context, g_pollset, &req, n_seconds_time(15),
@@ -116,7 +116,7 @@ static void test_post(int port) {
   memset(&req, 0, sizeof(req));
   req.host = host;
   req.ssl_host_override = "foo.test.google.fr";
-  req.path = "/post";
+  req.http.path = "/post";
   req.handshaker = &grpc_httpcli_ssl;
 
   grpc_httpcli_post(&exec_ctx, &g_context, g_pollset, &req, "hello", 5,
@@ -146,32 +146,36 @@ int main(int argc, char **argv) {
   char *lslash = strrchr(me, '/');
   char *args[5];
   int port = grpc_pick_unused_port_or_die();
+  int arg_shift = 0;
+  /* figure out where we are */
+  char *root;
+  if (lslash) {
+    root = gpr_malloc((size_t)(lslash - me + 1));
+    memcpy(root, me, (size_t)(lslash - me));
+    root[lslash - me] = 0;
+  } else {
+    root = gpr_strdup(".");
+  }
 
   GPR_ASSERT(argc <= 2);
   if (argc == 2) {
     args[0] = gpr_strdup(argv[1]);
   } else {
-    /* figure out where we are */
-    char *root;
-    if (lslash) {
-      root = gpr_malloc((size_t)(lslash - me + 1));
-      memcpy(root, me, (size_t)(lslash - me));
-      root[lslash - me] = 0;
-    } else {
-      root = gpr_strdup(".");
-    }
-    gpr_asprintf(&args[0], "%s/../../test/core/httpcli/test_server.py", root);
-    gpr_free(root);
+    arg_shift = 1;
+    gpr_asprintf(&args[0], "%s/../../tools/distrib/python_wrapper.sh", root);
+    gpr_asprintf(&args[1], "%s/../../test/core/http/test_server.py", root);
   }
 
   /* start the server */
-  args[1] = "--port";
-  gpr_asprintf(&args[2], "%d", port);
-  args[3] = "--ssl";
-  server = gpr_subprocess_create(4, (const char **)args);
+  args[1 + arg_shift] = "--port";
+  gpr_asprintf(&args[2 + arg_shift], "%d", port);
+  args[3 + arg_shift] = "--ssl";
+  server = gpr_subprocess_create(4 + arg_shift, (const char **)args);
   GPR_ASSERT(server);
   gpr_free(args[0]);
-  gpr_free(args[2]);
+  if (arg_shift) gpr_free(args[1]);
+  gpr_free(args[2 + arg_shift]);
+  gpr_free(root);
 
   gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
                                gpr_time_from_seconds(5, GPR_TIMESPAN)));
diff --git a/test/core/http/parser_test.c b/test/core/http/parser_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..7fdf60cc2b145d7511bf78b418f96f0f68ce4bbb
--- /dev/null
+++ b/test/core/http/parser_test.c
@@ -0,0 +1,306 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/http/parser.h"
+
+#include <stdarg.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/useful.h>
+#include "test/core/util/slice_splitter.h"
+#include "test/core/util/test_config.h"
+
+static void test_request_succeeds(grpc_slice_split_mode split_mode,
+                                  char *request, char *expect_method,
+                                  grpc_http_version expect_version,
+                                  char *expect_path, char *expect_body, ...) {
+  grpc_http_parser parser;
+  gpr_slice input_slice = gpr_slice_from_copied_string(request);
+  size_t num_slices;
+  size_t i;
+  gpr_slice *slices;
+  va_list args;
+
+  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
+  gpr_slice_unref(input_slice);
+
+  grpc_http_parser_init(&parser);
+
+  for (i = 0; i < num_slices; i++) {
+    GPR_ASSERT(grpc_http_parser_parse(&parser, slices[i]));
+    gpr_slice_unref(slices[i]);
+  }
+  GPR_ASSERT(grpc_http_parser_eof(&parser));
+
+  GPR_ASSERT(GRPC_HTTP_REQUEST == parser.type);
+  GPR_ASSERT(0 == strcmp(expect_method, parser.http.request.method));
+  GPR_ASSERT(0 == strcmp(expect_path, parser.http.request.path));
+  GPR_ASSERT(expect_version == parser.http.request.version);
+
+  if (expect_body != NULL) {
+    GPR_ASSERT(strlen(expect_body) == parser.http.request.body_length);
+    GPR_ASSERT(0 == memcmp(expect_body, parser.http.request.body,
+                           parser.http.request.body_length));
+  } else {
+    GPR_ASSERT(parser.http.request.body_length == 0);
+  }
+
+  va_start(args, expect_body);
+  i = 0;
+  for (;;) {
+    char *expect_key;
+    char *expect_value;
+    expect_key = va_arg(args, char *);
+    if (!expect_key) break;
+    GPR_ASSERT(i < parser.http.request.hdr_count);
+    expect_value = va_arg(args, char *);
+    GPR_ASSERT(expect_value);
+    GPR_ASSERT(0 == strcmp(expect_key, parser.http.request.hdrs[i].key));
+    GPR_ASSERT(0 == strcmp(expect_value, parser.http.request.hdrs[i].value));
+    i++;
+  }
+  va_end(args);
+  GPR_ASSERT(i == parser.http.request.hdr_count);
+
+  grpc_http_parser_destroy(&parser);
+  gpr_free(slices);
+}
+
+static void test_succeeds(grpc_slice_split_mode split_mode, char *response,
+                          int expect_status, char *expect_body, ...) {
+  grpc_http_parser parser;
+  gpr_slice input_slice = gpr_slice_from_copied_string(response);
+  size_t num_slices;
+  size_t i;
+  gpr_slice *slices;
+  va_list args;
+
+  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
+  gpr_slice_unref(input_slice);
+
+  grpc_http_parser_init(&parser);
+
+  for (i = 0; i < num_slices; i++) {
+    GPR_ASSERT(grpc_http_parser_parse(&parser, slices[i]));
+    gpr_slice_unref(slices[i]);
+  }
+  GPR_ASSERT(grpc_http_parser_eof(&parser));
+
+  GPR_ASSERT(GRPC_HTTP_RESPONSE == parser.type);
+  GPR_ASSERT(expect_status == parser.http.response.status);
+  if (expect_body != NULL) {
+    GPR_ASSERT(strlen(expect_body) == parser.http.response.body_length);
+    GPR_ASSERT(0 == memcmp(expect_body, parser.http.response.body,
+                           parser.http.response.body_length));
+  } else {
+    GPR_ASSERT(parser.http.response.body_length == 0);
+  }
+
+  va_start(args, expect_body);
+  i = 0;
+  for (;;) {
+    char *expect_key;
+    char *expect_value;
+    expect_key = va_arg(args, char *);
+    if (!expect_key) break;
+    GPR_ASSERT(i < parser.http.response.hdr_count);
+    expect_value = va_arg(args, char *);
+    GPR_ASSERT(expect_value);
+    GPR_ASSERT(0 == strcmp(expect_key, parser.http.response.hdrs[i].key));
+    GPR_ASSERT(0 == strcmp(expect_value, parser.http.response.hdrs[i].value));
+    i++;
+  }
+  va_end(args);
+  GPR_ASSERT(i == parser.http.response.hdr_count);
+
+  grpc_http_parser_destroy(&parser);
+  gpr_free(slices);
+}
+
+static void test_fails(grpc_slice_split_mode split_mode, char *response) {
+  grpc_http_parser parser;
+  gpr_slice input_slice = gpr_slice_from_copied_string(response);
+  size_t num_slices;
+  size_t i;
+  gpr_slice *slices;
+  int done = 0;
+
+  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
+  gpr_slice_unref(input_slice);
+
+  grpc_http_parser_init(&parser);
+
+  for (i = 0; i < num_slices; i++) {
+    if (!done && !grpc_http_parser_parse(&parser, slices[i])) {
+      done = 1;
+    }
+    gpr_slice_unref(slices[i]);
+  }
+  if (!done && !grpc_http_parser_eof(&parser)) {
+    done = 1;
+  }
+  GPR_ASSERT(done);
+
+  grpc_http_parser_destroy(&parser);
+  gpr_free(slices);
+}
+
+static const uint8_t failed_test1[] = {
+    0x9e, 0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x4a,
+    0x48, 0x54, 0x54, 0x30, 0x32, 0x16, 0xa,  0x2f, 0x48, 0x20,
+    0x31, 0x2e, 0x31, 0x20, 0x32, 0x30, 0x31, 0x54, 0x54, 0xb9,
+    0x32, 0x31, 0x2e, 0x20, 0x32, 0x30, 0x20,
+};
+
+typedef struct {
+  const char *name;
+  const uint8_t *data;
+  size_t length;
+} failed_test;
+
+#define FAILED_TEST(name) \
+  { #name, name, sizeof(name) }
+
+failed_test failed_tests[] = {
+    FAILED_TEST(failed_test1),
+};
+
+static void test_doesnt_crash(failed_test t) {
+  gpr_log(GPR_DEBUG, "Run previously failed test: %s", t.name);
+  grpc_http_parser p;
+  grpc_http_parser_init(&p);
+  gpr_slice slice =
+      gpr_slice_from_copied_buffer((const char *)t.data, t.length);
+  grpc_http_parser_parse(&p, slice);
+  gpr_slice_unref(slice);
+  grpc_http_parser_destroy(&p);
+}
+
+int main(int argc, char **argv) {
+  size_t i;
+  const grpc_slice_split_mode split_modes[] = {GRPC_SLICE_SPLIT_IDENTITY,
+                                               GRPC_SLICE_SPLIT_ONE_BYTE};
+  char *tmp1, *tmp2;
+
+  grpc_test_init(argc, argv);
+
+  for (i = 0; i < GPR_ARRAY_SIZE(failed_tests); i++) {
+    test_doesnt_crash(failed_tests[i]);
+  }
+
+  for (i = 0; i < GPR_ARRAY_SIZE(split_modes); i++) {
+    test_succeeds(split_modes[i],
+                  "HTTP/1.0 200 OK\r\n"
+                  "xyz: abc\r\n"
+                  "\r\n"
+                  "hello world!",
+                  200, "hello world!", "xyz", "abc", NULL);
+    test_succeeds(split_modes[i],
+                  "HTTP/1.0 404 Not Found\r\n"
+                  "\r\n",
+                  404, NULL, NULL);
+    test_succeeds(split_modes[i],
+                  "HTTP/1.1 200 OK\r\n"
+                  "xyz: abc\r\n"
+                  "\r\n"
+                  "hello world!",
+                  200, "hello world!", "xyz", "abc", NULL);
+    test_succeeds(split_modes[i],
+                  "HTTP/1.1 200 OK\n"
+                  "\n"
+                  "abc",
+                  200, "abc", NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/1.0\r\n"
+                          "\r\n",
+                          "GET", GRPC_HTTP_HTTP10, "/", NULL, NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/1.0\r\n"
+                          "\r\n"
+                          "xyz",
+                          "GET", GRPC_HTTP_HTTP10, "/", "xyz", NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/1.1\r\n"
+                          "\r\n"
+                          "xyz",
+                          "GET", GRPC_HTTP_HTTP11, "/", "xyz", NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/2.0\r\n"
+                          "\r\n"
+                          "xyz",
+                          "GET", GRPC_HTTP_HTTP20, "/", "xyz", NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/1.0\r\n"
+                          "xyz: abc\r\n"
+                          "\r\n"
+                          "xyz",
+                          "GET", GRPC_HTTP_HTTP10, "/", "xyz", "xyz", "abc",
+                          NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/1.0\n"
+                          "\n"
+                          "xyz",
+                          "GET", GRPC_HTTP_HTTP10, "/", "xyz", NULL);
+    test_fails(split_modes[i], "HTTP/1.0\r\n");
+    test_fails(split_modes[i], "HTTP/1.2\r\n");
+    test_fails(split_modes[i], "HTTP/1.0 000 XYX\r\n");
+    test_fails(split_modes[i], "HTTP/1.0 200 OK\n");
+    test_fails(split_modes[i], "HTTP/1.0 200 OK\r\n");
+    test_fails(split_modes[i], "HTTP/1.0 200 OK\r\nFoo x\r\n");
+    test_fails(split_modes[i],
+               "HTTP/1.0 200 OK\r\n"
+               "xyz: abc\r\n"
+               "  def\r\n"
+               "\r\n"
+               "hello world!");
+    test_fails(split_modes[i], "GET\r\n");
+    test_fails(split_modes[i], "GET /\r\n");
+    test_fails(split_modes[i], "GET / HTTP/0.0\r\n");
+    test_fails(split_modes[i], "GET / ____/1.0\r\n");
+    test_fails(split_modes[i], "GET / HTTP/1.2\r\n");
+    test_fails(split_modes[i], "GET / HTTP/1.0\n");
+
+    tmp1 = gpr_malloc(2 * GRPC_HTTP_PARSER_MAX_HEADER_LENGTH);
+    memset(tmp1, 'a', 2 * GRPC_HTTP_PARSER_MAX_HEADER_LENGTH - 1);
+    tmp1[2 * GRPC_HTTP_PARSER_MAX_HEADER_LENGTH - 1] = 0;
+    gpr_asprintf(&tmp2, "HTTP/1.0 200 OK\r\nxyz: %s\r\n\r\n", tmp1);
+    test_fails(split_modes[i], tmp2);
+    gpr_free(tmp1);
+    gpr_free(tmp2);
+  }
+
+  return 0;
+}
diff --git a/test/core/httpcli/test_server.py b/test/core/http/test_server.py
similarity index 96%
rename from test/core/httpcli/test_server.py
rename to test/core/http/test_server.py
index dbbf5ceb3c7975b19941d72590107e9643d0daf3..86c2fe96bf9c2c66bf2843a49add7ae7049db62d 100755
--- a/test/core/httpcli/test_server.py
+++ b/test/core/http/test_server.py
@@ -36,8 +36,8 @@ import os
 import ssl
 import sys
 
-_PEM = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../../..', 'src/core/tsi/test_creds/server1.pem'))
-_KEY = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../../..', 'src/core/tsi/test_creds/server1.key'))
+_PEM = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../../..', 'src/core/lib/tsi/test_creds/server1.pem'))
+_KEY = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../../..', 'src/core/lib/tsi/test_creds/server1.key'))
 print _PEM
 open(_PEM).close()
 
diff --git a/test/core/httpcli/parser_test.c b/test/core/httpcli/parser_test.c
deleted file mode 100644
index a26ddd28214614a83e62af613a041f5c6a882164..0000000000000000000000000000000000000000
--- a/test/core/httpcli/parser_test.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/httpcli/parser.h"
-
-#include <stdarg.h>
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-#include <grpc/support/useful.h>
-#include "test/core/util/slice_splitter.h"
-#include "test/core/util/test_config.h"
-
-static void test_succeeds(grpc_slice_split_mode split_mode, char *response,
-                          int expect_status, char *expect_body, ...) {
-  grpc_httpcli_parser parser;
-  gpr_slice input_slice = gpr_slice_from_copied_string(response);
-  size_t num_slices;
-  size_t i;
-  gpr_slice *slices;
-  va_list args;
-
-  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
-  gpr_slice_unref(input_slice);
-
-  grpc_httpcli_parser_init(&parser);
-
-  for (i = 0; i < num_slices; i++) {
-    GPR_ASSERT(grpc_httpcli_parser_parse(&parser, slices[i]));
-    gpr_slice_unref(slices[i]);
-  }
-  GPR_ASSERT(grpc_httpcli_parser_eof(&parser));
-
-  GPR_ASSERT(expect_status == parser.r.status);
-  if (expect_body != NULL) {
-    GPR_ASSERT(strlen(expect_body) == parser.r.body_length);
-    GPR_ASSERT(0 == memcmp(expect_body, parser.r.body, parser.r.body_length));
-  } else {
-    GPR_ASSERT(parser.r.body_length == 0);
-  }
-
-  va_start(args, expect_body);
-  i = 0;
-  for (;;) {
-    char *expect_key;
-    char *expect_value;
-    expect_key = va_arg(args, char *);
-    if (!expect_key) break;
-    GPR_ASSERT(i < parser.r.hdr_count);
-    expect_value = va_arg(args, char *);
-    GPR_ASSERT(expect_value);
-    GPR_ASSERT(0 == strcmp(expect_key, parser.r.hdrs[i].key));
-    GPR_ASSERT(0 == strcmp(expect_value, parser.r.hdrs[i].value));
-    i++;
-  }
-  va_end(args);
-  GPR_ASSERT(i == parser.r.hdr_count);
-
-  grpc_httpcli_parser_destroy(&parser);
-  gpr_free(slices);
-}
-
-static void test_fails(grpc_slice_split_mode split_mode, char *response) {
-  grpc_httpcli_parser parser;
-  gpr_slice input_slice = gpr_slice_from_copied_string(response);
-  size_t num_slices;
-  size_t i;
-  gpr_slice *slices;
-  int done = 0;
-
-  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
-  gpr_slice_unref(input_slice);
-
-  grpc_httpcli_parser_init(&parser);
-
-  for (i = 0; i < num_slices; i++) {
-    if (!done && !grpc_httpcli_parser_parse(&parser, slices[i])) {
-      done = 1;
-    }
-    gpr_slice_unref(slices[i]);
-  }
-  if (!done && !grpc_httpcli_parser_eof(&parser)) {
-    done = 1;
-  }
-  GPR_ASSERT(done);
-
-  grpc_httpcli_parser_destroy(&parser);
-  gpr_free(slices);
-}
-
-int main(int argc, char **argv) {
-  size_t i;
-  const grpc_slice_split_mode split_modes[] = {GRPC_SLICE_SPLIT_IDENTITY,
-                                               GRPC_SLICE_SPLIT_ONE_BYTE};
-  char *tmp1, *tmp2;
-
-  grpc_test_init(argc, argv);
-
-  for (i = 0; i < GPR_ARRAY_SIZE(split_modes); i++) {
-    test_succeeds(split_modes[i],
-                  "HTTP/1.0 200 OK\r\n"
-                  "xyz: abc\r\n"
-                  "\r\n"
-                  "hello world!",
-                  200, "hello world!", "xyz", "abc", NULL);
-    test_succeeds(split_modes[i],
-                  "HTTP/1.0 404 Not Found\r\n"
-                  "\r\n",
-                  404, NULL, NULL);
-    test_succeeds(split_modes[i],
-                  "HTTP/1.1 200 OK\r\n"
-                  "xyz: abc\r\n"
-                  "\r\n"
-                  "hello world!",
-                  200, "hello world!", "xyz", "abc", NULL);
-    test_fails(split_modes[i], "HTTP/1.0\r\n");
-    test_fails(split_modes[i], "HTTP/1.2\r\n");
-    test_fails(split_modes[i], "HTTP/1.0 000 XYX\r\n");
-    test_fails(split_modes[i], "HTTP/1.0 200 OK\n");
-    test_fails(split_modes[i], "HTTP/1.0 200 OK\r\n");
-    test_fails(split_modes[i], "HTTP/1.0 200 OK\r\nFoo x\r\n");
-    test_fails(split_modes[i],
-               "HTTP/1.0 200 OK\r\n"
-               "xyz: abc\r\n"
-               "  def\r\n"
-               "\r\n"
-               "hello world!");
-
-    tmp1 = gpr_malloc(2 * GRPC_HTTPCLI_MAX_HEADER_LENGTH);
-    memset(tmp1, 'a', 2 * GRPC_HTTPCLI_MAX_HEADER_LENGTH - 1);
-    tmp1[2 * GRPC_HTTPCLI_MAX_HEADER_LENGTH - 1] = 0;
-    gpr_asprintf(&tmp2, "HTTP/1.0 200 OK\r\nxyz: %s\r\n\r\n", tmp1);
-    test_fails(split_modes[i], tmp2);
-    gpr_free(tmp1);
-    gpr_free(tmp2);
-  }
-
-  return 0;
-}
diff --git a/test/core/internal_api_canaries/iomgr.c b/test/core/internal_api_canaries/iomgr.c
new file mode 100644
index 0000000000000000000000000000000000000000..f87a80cd90c918806bf7afae95b9d1f34fb2a40c
--- /dev/null
+++ b/test/core/internal_api_canaries/iomgr.c
@@ -0,0 +1,115 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/closure.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/executor.h"
+
+/*******************************************************************************
+ * NOTE: If this test fails to compile, then the api changes are likely to cause
+ *       merge failures downstream. Please pay special attention to reviewing
+ *       these changes, and solicit help as appropriate when merging downstream.
+ *
+ * This test is NOT expected to be run directly.
+ ******************************************************************************/
+
+static void test_code(void) {
+  /* iomgr.h */
+  grpc_iomgr_init();
+  grpc_iomgr_shutdown();
+
+  /* closure.h */
+  grpc_closure closure;
+  closure.cb = NULL;
+  closure.cb_arg = NULL;
+  closure.final_data = 0;
+
+  grpc_closure_list closure_list = GRPC_CLOSURE_LIST_INIT;
+  closure_list.head = NULL;
+  closure_list.tail = NULL;
+
+  grpc_closure_init(&closure, NULL, NULL);
+
+  grpc_closure_create(NULL, NULL);
+
+  grpc_closure_list_move(NULL, NULL);
+  grpc_closure_list_add(NULL, NULL, true);
+  bool x = grpc_closure_list_empty(closure_list);
+  grpc_closure_next(&closure);
+
+  /* exec_ctx.h */
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_exec_ctx_flush(&exec_ctx);
+  grpc_exec_ctx_finish(&exec_ctx);
+  grpc_exec_ctx_enqueue(&exec_ctx, &closure, x, NULL);
+  grpc_exec_ctx_enqueue_list(&exec_ctx, &closure_list, NULL);
+
+  /* endpoint.h */
+  grpc_endpoint endpoint;
+  grpc_endpoint_vtable vtable = {
+      grpc_endpoint_read,           grpc_endpoint_write,
+      grpc_endpoint_add_to_pollset, grpc_endpoint_add_to_pollset_set,
+      grpc_endpoint_shutdown,       grpc_endpoint_destroy,
+      grpc_endpoint_get_peer};
+  endpoint.vtable = &vtable;
+
+  grpc_endpoint_read(&exec_ctx, &endpoint, NULL, NULL);
+  grpc_endpoint_get_peer(&endpoint);
+  grpc_endpoint_write(&exec_ctx, &endpoint, NULL, NULL);
+  grpc_endpoint_shutdown(&exec_ctx, &endpoint);
+  grpc_endpoint_destroy(&exec_ctx, &endpoint);
+  grpc_endpoint_add_to_pollset(&exec_ctx, &endpoint, NULL);
+  grpc_endpoint_add_to_pollset_set(&exec_ctx, &endpoint, NULL);
+
+  /* executor.h */
+  grpc_executor_init();
+  grpc_executor_enqueue(&closure, x);
+  grpc_executor_shutdown();
+
+  /* pollset.h */
+  grpc_pollset_size();
+  grpc_pollset_init(NULL, NULL);
+  grpc_pollset_shutdown(NULL, NULL, NULL);
+  grpc_pollset_reset(NULL);
+  grpc_pollset_destroy(NULL);
+  grpc_pollset_work(NULL, NULL, NULL, gpr_now(GPR_CLOCK_REALTIME),
+                    gpr_now(GPR_CLOCK_MONOTONIC));
+  grpc_pollset_kick(NULL, NULL);
+}
+
+int main(void) {
+  if (false) test_code();
+  return 0;
+}
diff --git a/src/core/channel/connected_channel.h b/test/core/internal_api_canaries/support.c
similarity index 65%
rename from src/core/channel/connected_channel.h
rename to test/core/internal_api_canaries/support.c
index 95c1834bfaab498bc10c6dbf4b8b14d6901d993d..c51cbf2522c581996d004f823f5f6812fc1c8e49 100644
--- a/src/core/channel/connected_channel.h
+++ b/test/core/internal_api_canaries/support.c
@@ -31,21 +31,28 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CHANNEL_CONNECTED_CHANNEL_H
-#define GRPC_INTERNAL_CORE_CHANNEL_CONNECTED_CHANNEL_H
-
-#include "src/core/channel/channel_stack.h"
-
-/* A channel filter representing a channel that is on a connected transport.
-   This filter performs actual sending and receiving of messages. */
-
-extern const grpc_channel_filter grpc_connected_channel_filter;
+/*******************************************************************************
+ * NOTE: If this test fails to compile, then the api changes are likely to cause
+ *       merge failures downstream. Please pay special attention to reviewing
+ *       these changes, and solicit help as appropriate when merging downstream.
+ *
+ * This test is NOT expected to be run directly.
+ ******************************************************************************/
 
-/* Post construction fixup: set the transport in the connected channel.
-   Must be called before any call stack using this filter is used. */
-void grpc_connected_channel_bind_transport(grpc_channel_stack* channel_stack,
-                                           grpc_transport* transport);
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/load_file.h"
+#include "src/core/lib/support/tmpfile.h"
 
-grpc_stream* grpc_connected_channel_get_stream(grpc_call_element* elem);
+static void test_code(void) {
+  /* env.h */
+  gpr_set_env("abc", gpr_getenv("xyz"));
+  /* load_file.h */
+  gpr_load_file("abc", 1, NULL);
+  /* tmpfile.h */
+  fclose(gpr_tmpfile("foo", NULL));
+}
 
-#endif /* GRPC_INTERNAL_CORE_CHANNEL_CONNECTED_CHANNEL_H */
+int main(void) {
+  if (false) test_code();
+  return 0;
+}
diff --git a/test/core/internal_api_canaries/transport.c b/test/core/internal_api_canaries/transport.c
new file mode 100644
index 0000000000000000000000000000000000000000..061786541235b5544a54c936b2577bb5867e215f
--- /dev/null
+++ b/test/core/internal_api_canaries/transport.c
@@ -0,0 +1,81 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/*******************************************************************************
+ * NOTE: If this test fails to compile, then the api changes are likely to cause
+ *       merge failures downstream. Please pay special attention to reviewing
+ *       these changes, and solicit help as appropriate when merging downstream.
+ *
+ * This test is NOT expected to be run directly.
+ ******************************************************************************/
+
+#include "src/core/lib/transport/transport.h"
+#include "src/core/lib/transport/transport_impl.h"
+
+static void test_code(void) {
+  /* transport_impl.h */
+  grpc_transport transport;
+  grpc_transport_vtable vtable = {12345,
+                                  grpc_transport_init_stream,
+                                  grpc_transport_set_pollset,
+                                  grpc_transport_perform_stream_op,
+                                  grpc_transport_perform_op,
+                                  grpc_transport_destroy_stream,
+                                  grpc_transport_destroy,
+                                  grpc_transport_get_peer};
+  transport.vtable = &vtable;
+
+  /* transport.h */
+  GRPC_STREAM_REF_INIT(NULL, 0, NULL, NULL, "xyz");
+  GPR_ASSERT(0 == grpc_transport_stream_size(NULL));
+  GPR_ASSERT(grpc_transport_init_stream(&transport, NULL, NULL, NULL, NULL));
+  grpc_transport_set_pollset(&transport, NULL, NULL, NULL);
+  grpc_transport_destroy_stream(&transport, NULL, NULL);
+  grpc_transport_stream_op_finish_with_failure(NULL, NULL);
+  grpc_transport_stream_op_add_cancellation(NULL, GRPC_STATUS_UNAVAILABLE);
+  grpc_transport_stream_op_add_close(NULL, GRPC_STATUS_UNAVAILABLE,
+                                     grpc_transport_op_string(NULL));
+  grpc_transport_perform_stream_op(&transport, NULL, NULL, NULL);
+  grpc_transport_perform_op(&transport, NULL, NULL);
+  grpc_transport_ping(&transport, NULL);
+  grpc_transport_goaway(&transport, GRPC_STATUS_UNAVAILABLE,
+                        gpr_slice_malloc(0));
+  grpc_transport_close(&transport);
+  grpc_transport_destroy(&transport, NULL);
+  GPR_ASSERT("xyz" == grpc_transport_get_peer(&transport, NULL));
+}
+
+int main(void) {
+  if (false) test_code();
+  return 0;
+}
diff --git a/test/core/iomgr/endpoint_pair_test.c b/test/core/iomgr/endpoint_pair_test.c
index c3a91088a5737e0ab239841afd1fc9321c35a9cc..0df94a878f00100252d5248e6576959f43caa6ad 100644
--- a/test/core/iomgr/endpoint_pair_test.c
+++ b/test/core/iomgr/endpoint_pair_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,14 +31,12 @@
  *
  */
 
-#include "src/core/iomgr/tcp_posix.h"
-
+#include "src/core/lib/iomgr/endpoint_pair.h"
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
-#include "src/core/iomgr/endpoint_pair.h"
 #include "test/core/iomgr/endpoint_tests.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/iomgr/endpoint_tests.c b/test/core/iomgr/endpoint_tests.c
index f689e4ba7fb336daf3c40c68e44b4148436930ca..52082c3c6b707adbd487cc133c9d18c631e98b52 100644
--- a/test/core/iomgr/endpoint_tests.c
+++ b/test/core/iomgr/endpoint_tests.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -89,7 +89,7 @@ static void end_test(grpc_endpoint_test_config config) { config.clean_up(); }
 static gpr_slice *allocate_blocks(size_t num_bytes, size_t slice_size,
                                   size_t *num_blocks, uint8_t *current_data) {
   size_t nslices = num_bytes / slice_size + (num_bytes % slice_size ? 1 : 0);
-  gpr_slice *slices = malloc(sizeof(gpr_slice) * nslices);
+  gpr_slice *slices = gpr_malloc(sizeof(gpr_slice) * nslices);
   size_t num_bytes_left = num_bytes;
   size_t i;
   size_t j;
@@ -164,7 +164,7 @@ static void read_and_write_test_write_handler(grpc_exec_ctx *exec_ctx,
       gpr_slice_buffer_addn(&state->outgoing, slices, nslices);
       grpc_endpoint_write(exec_ctx, state->write_ep, &state->outgoing,
                           &state->done_write);
-      free(slices);
+      gpr_free(slices);
       return;
     }
   }
diff --git a/test/core/iomgr/endpoint_tests.h b/test/core/iomgr/endpoint_tests.h
index 8ea47e345cf5b9aacd51e5f972a1603a44a29b56..586010c863bf95bd981ffb5ce30ae7cd2530b618 100644
--- a/test/core/iomgr/endpoint_tests.h
+++ b/test/core/iomgr/endpoint_tests.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,7 +36,7 @@
 
 #include <sys/types.h>
 
-#include "src/core/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/endpoint.h"
 
 typedef struct grpc_endpoint_test_config grpc_endpoint_test_config;
 typedef struct grpc_endpoint_test_fixture grpc_endpoint_test_fixture;
diff --git a/test/core/iomgr/fd_conservation_posix_test.c b/test/core/iomgr/fd_conservation_posix_test.c
index 401bf70a9e932fe3aaaa337eba20fac9fce46742..bbb3f46497f534f2b978a3a06bc291aec6b4af35 100644
--- a/test/core/iomgr/fd_conservation_posix_test.c
+++ b/test/core/iomgr/fd_conservation_posix_test.c
@@ -35,9 +35,9 @@
 
 #include <grpc/support/log.h>
 
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
 
 int main(int argc, char **argv) {
   int i;
diff --git a/test/core/iomgr/fd_posix_test.c b/test/core/iomgr/fd_posix_test.c
index 99689ebcc3bfd50f5188cebca20dfc2893a3a252..f97f33712eb1733a05b30d9a62a9ca35808b0f6b 100644
--- a/test/core/iomgr/fd_posix_test.c
+++ b/test/core/iomgr/fd_posix_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/fd_posix.h"
+#include "src/core/lib/iomgr/ev_posix.h"
 
 #include <ctype.h>
 #include <errno.h>
@@ -50,7 +50,8 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 
-#include "src/core/iomgr/pollset_posix.h"
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
 
 static gpr_mu *g_mu;
@@ -134,7 +135,7 @@ static void session_shutdown_cb(grpc_exec_ctx *exec_ctx, void *arg, /*session */
 static void session_read_cb(grpc_exec_ctx *exec_ctx, void *arg, /*session */
                             bool success) {
   session *se = arg;
-  int fd = se->em_fd->fd;
+  int fd = grpc_fd_wrapped_fd(se->em_fd);
 
   ssize_t read_once = 0;
   ssize_t read_total = 0;
@@ -204,7 +205,7 @@ static void listen_cb(grpc_exec_ctx *exec_ctx, void *arg, /*=sv_arg*/
     return;
   }
 
-  fd = accept(listen_em_fd->fd, (struct sockaddr *)&ss, &slen);
+  fd = accept(grpc_fd_wrapped_fd(listen_em_fd), (struct sockaddr *)&ss, &slen);
   GPR_ASSERT(fd >= 0);
   GPR_ASSERT(fd < FD_SETSIZE);
   flags = fcntl(fd, F_GETFL, 0);
@@ -306,7 +307,7 @@ static void client_session_shutdown_cb(grpc_exec_ctx *exec_ctx,
 static void client_session_write(grpc_exec_ctx *exec_ctx, void *arg, /*client */
                                  bool success) {
   client *cl = arg;
-  int fd = cl->em_fd->fd;
+  int fd = grpc_fd_wrapped_fd(cl->em_fd);
   ssize_t write_once = 0;
 
   if (!success) {
diff --git a/test/core/iomgr/resolve_address_test.c b/test/core/iomgr/resolve_address_test.c
index 56ce091a88746113a100e8329b5e0757c646fbe0..c3ede1801df5ec78189288075f62ea295a1dc61f 100644
--- a/test/core/iomgr/resolve_address_test.c
+++ b/test/core/iomgr/resolve_address_test.c
@@ -31,11 +31,11 @@
  *
  */
 
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/executor.h"
+#include "src/core/lib/iomgr/resolve_address.h"
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/executor.h"
 #include "test/core/util/test_config.h"
 
 static gpr_timespec test_deadline(void) {
@@ -59,28 +59,36 @@ static void must_fail(grpc_exec_ctx *exec_ctx, void *evp,
 static void test_localhost(void) {
   gpr_event ev;
   gpr_event_init(&ev);
-  grpc_resolve_address("localhost:1", NULL, must_succeed, &ev);
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_resolve_address(&exec_ctx, "localhost:1", NULL, must_succeed, &ev);
+  grpc_exec_ctx_finish(&exec_ctx);
   GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
 }
 
 static void test_default_port(void) {
   gpr_event ev;
   gpr_event_init(&ev);
-  grpc_resolve_address("localhost", "1", must_succeed, &ev);
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_resolve_address(&exec_ctx, "localhost", "1", must_succeed, &ev);
+  grpc_exec_ctx_finish(&exec_ctx);
   GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
 }
 
 static void test_missing_default_port(void) {
   gpr_event ev;
   gpr_event_init(&ev);
-  grpc_resolve_address("localhost", NULL, must_fail, &ev);
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_resolve_address(&exec_ctx, "localhost", NULL, must_fail, &ev);
+  grpc_exec_ctx_finish(&exec_ctx);
   GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
 }
 
 static void test_ipv6_with_port(void) {
   gpr_event ev;
   gpr_event_init(&ev);
-  grpc_resolve_address("[2001:db8::1]:1", NULL, must_succeed, &ev);
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_resolve_address(&exec_ctx, "[2001:db8::1]:1", NULL, must_succeed, &ev);
+  grpc_exec_ctx_finish(&exec_ctx);
   GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
 }
 
@@ -92,7 +100,9 @@ static void test_ipv6_without_port(void) {
   for (i = 0; i < sizeof(kCases) / sizeof(*kCases); i++) {
     gpr_event ev;
     gpr_event_init(&ev);
-    grpc_resolve_address(kCases[i], "80", must_succeed, &ev);
+    grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+    grpc_resolve_address(&exec_ctx, kCases[i], "80", must_succeed, &ev);
+    grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
   }
 }
@@ -105,7 +115,9 @@ static void test_invalid_ip_addresses(void) {
   for (i = 0; i < sizeof(kCases) / sizeof(*kCases); i++) {
     gpr_event ev;
     gpr_event_init(&ev);
-    grpc_resolve_address(kCases[i], NULL, must_fail, &ev);
+    grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+    grpc_resolve_address(&exec_ctx, kCases[i], NULL, must_fail, &ev);
+    grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
   }
 }
@@ -118,7 +130,9 @@ static void test_unparseable_hostports(void) {
   for (i = 0; i < sizeof(kCases) / sizeof(*kCases); i++) {
     gpr_event ev;
     gpr_event_init(&ev);
-    grpc_resolve_address(kCases[i], "1", must_fail, &ev);
+    grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+    grpc_resolve_address(&exec_ctx, kCases[i], "1", must_fail, &ev);
+    grpc_exec_ctx_finish(&exec_ctx);
     GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
   }
 }
diff --git a/test/core/iomgr/sockaddr_utils_test.c b/test/core/iomgr/sockaddr_utils_test.c
index a7b57c1466345aaad8ed92dc6f03dc628cb3b943..a330314443a0006afd8b75137a58c89eeb64fed3 100644
--- a/test/core/iomgr/sockaddr_utils_test.c
+++ b/test/core/iomgr/sockaddr_utils_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
 
 #include <errno.h>
 #include <string.h>
diff --git a/test/core/iomgr/socket_utils_test.c b/test/core/iomgr/socket_utils_test.c
index 58c3fbc0ae3e561ad870dd2487f4c8de6e3d422f..85c027a978aad183ae7ba1f3b5898d3c70be0071 100644
--- a/test/core/iomgr/socket_utils_test.c
+++ b/test/core/iomgr/socket_utils_test.c
@@ -32,7 +32,7 @@
  */
 
 #include <grpc/support/port_platform.h>
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
 
 #include <errno.h>
 #include <string.h>
diff --git a/test/core/iomgr/tcp_client_posix_test.c b/test/core/iomgr/tcp_client_posix_test.c
index 746dfd85be670bf683eacdc962be7646a7f0c789..22dc9366c33d60254d96753ff8d0ad0a7a0d0dfd 100644
--- a/test/core/iomgr/tcp_client_posix_test.c
+++ b/test/core/iomgr/tcp_client_posix_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/tcp_client.h"
+#include "src/core/lib/iomgr/tcp_client.h"
 
 #include <errno.h>
 #include <netinet/in.h>
@@ -44,9 +44,10 @@
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/iomgr/socket_utils_posix.h"
-#include "src/core/iomgr/timer.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/pollset_set.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/timer.h"
 #include "test/core/util/test_config.h"
 
 static grpc_pollset_set *g_pollset_set;
diff --git a/test/core/iomgr/tcp_posix_test.c b/test/core/iomgr/tcp_posix_test.c
index 4351642ab6e3fb16593fa3c48093538e84446470..7a98fa0e5069c2b561195d4cebc87756ae63c8a2 100644
--- a/test/core/iomgr/tcp_posix_test.c
+++ b/test/core/iomgr/tcp_posix_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/tcp_posix.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
 
 #include <errno.h>
 #include <fcntl.h>
@@ -97,7 +97,7 @@ static ssize_t fill_socket(int fd) {
 static size_t fill_socket_partial(int fd, size_t bytes) {
   ssize_t write_bytes;
   size_t total_bytes = 0;
-  unsigned char *buf = malloc(bytes);
+  unsigned char *buf = gpr_malloc(bytes);
   unsigned i;
   for (i = 0; i < bytes; ++i) {
     buf[i] = (uint8_t)(i % 256);
@@ -292,7 +292,7 @@ static void write_done(grpc_exec_ctx *exec_ctx,
 }
 
 void drain_socket_blocking(int fd, size_t num_bytes, size_t read_size) {
-  unsigned char *buf = malloc(read_size);
+  unsigned char *buf = gpr_malloc(read_size);
   ssize_t bytes_read;
   size_t bytes_left = num_bytes;
   int flags;
diff --git a/test/core/iomgr/tcp_server_posix_test.c b/test/core/iomgr/tcp_server_posix_test.c
index 7933468355a77e06f778979a99052e26b139539d..266d2396afd62f7b70571b9edf516da911603bad 100644
--- a/test/core/iomgr/tcp_server_posix_test.c
+++ b/test/core/iomgr/tcp_server_posix_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/tcp_server.h"
 
 #include <errno.h>
 #include <netinet/in.h>
@@ -45,8 +45,8 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/iomgr/time_averaged_stats_test.c b/test/core/iomgr/time_averaged_stats_test.c
index cb006d152a3f16eeb035c090e0e39199c00bc722..72f8559d666d449e5d61789e614f5e6ea5c6c188 100644
--- a/test/core/iomgr/time_averaged_stats_test.c
+++ b/test/core/iomgr/time_averaged_stats_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/time_averaged_stats.h"
+#include "src/core/lib/iomgr/time_averaged_stats.h"
 
 #include <math.h>
 
diff --git a/test/core/iomgr/timer_heap_test.c b/test/core/iomgr/timer_heap_test.c
index dd23a99520cea3fefecdb7ea34a00fe353d6ff0b..d1cb0047f2649fa36ca18d4fbfbe373c98a92f1e 100644
--- a/test/core/iomgr/timer_heap_test.c
+++ b/test/core/iomgr/timer_heap_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/timer_heap.h"
+#include "src/core/lib/iomgr/timer_heap.h"
 
 #include <stdlib.h>
 #include <string.h>
diff --git a/test/core/iomgr/timer_list_test.c b/test/core/iomgr/timer_list_test.c
index 7a21fdd5c1084bb6c69475b07624974401589256..2e0f5c870198ab8efb1a02b501788e6268baed18 100644
--- a/test/core/iomgr/timer_list_test.c
+++ b/test/core/iomgr/timer_list_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/timer.h"
+#include "src/core/lib/iomgr/timer.h"
 
 #include <string.h>
 
@@ -81,9 +81,8 @@ static void add_test(void) {
   }
 
   GPR_ASSERT(!grpc_timer_check(
-                 &exec_ctx,
-                 gpr_time_add(start, gpr_time_from_millis(600, GPR_TIMESPAN)),
-                 NULL));
+      &exec_ctx, gpr_time_add(start, gpr_time_from_millis(600, GPR_TIMESPAN)),
+      NULL));
   grpc_exec_ctx_finish(&exec_ctx);
   for (i = 0; i < 30; i++) {
     GPR_ASSERT(cb_called[i][1] == (i < 10));
@@ -101,9 +100,8 @@ static void add_test(void) {
   }
 
   GPR_ASSERT(!grpc_timer_check(
-                 &exec_ctx,
-                 gpr_time_add(start, gpr_time_from_millis(1600, GPR_TIMESPAN)),
-                 NULL));
+      &exec_ctx, gpr_time_add(start, gpr_time_from_millis(1600, GPR_TIMESPAN)),
+      NULL));
   for (i = 0; i < 30; i++) {
     GPR_ASSERT(cb_called[i][1] == (i < 20));
     GPR_ASSERT(cb_called[i][0] == 0);
diff --git a/test/core/iomgr/udp_server_test.c b/test/core/iomgr/udp_server_test.c
index ce3c23b4bf251f9eb29c27531d6638715d0c6174..5248b613d73c4a3462be7e63de4d464cb4c4de2d 100644
--- a/test/core/iomgr/udp_server_test.c
+++ b/test/core/iomgr/udp_server_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,24 +31,26 @@
  *
  */
 
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/iomgr/pollset_posix.h"
-#include "src/core/iomgr/udp_server.h"
+#include "src/core/lib/iomgr/udp_server.h"
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
 
-#include <sys/socket.h>
 #include <netinet/in.h>
 #include <string.h>
+#include <sys/socket.h>
 #include <unistd.h>
 
 #ifdef GRPC_NEED_UDP
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", #x)
 
-static grpc_pollset g_pollset;
+static grpc_pollset *g_pollset;
 static gpr_mu *g_mu;
 static int g_number_of_reads = 0;
 static int g_number_of_bytes_read = 0;
@@ -59,12 +61,13 @@ static void on_read(grpc_exec_ctx *exec_ctx, grpc_fd *emfd,
   ssize_t byte_count;
 
   gpr_mu_lock(g_mu);
-  byte_count = recv(emfd->fd, read_buffer, sizeof(read_buffer), 0);
+  byte_count =
+      recv(grpc_fd_wrapped_fd(emfd), read_buffer, sizeof(read_buffer), 0);
 
   g_number_of_reads++;
   g_number_of_bytes_read += (int)byte_count;
 
-  grpc_pollset_kick(&g_pollset, NULL);
+  grpc_pollset_kick(g_pollset, NULL);
   gpr_mu_unlock(g_mu);
 }
 
@@ -141,7 +144,7 @@ static void test_receive(int number_of_clients) {
   GPR_ASSERT(getsockname(svrfd, (struct sockaddr *)&addr, &addr_len) == 0);
   GPR_ASSERT(addr_len <= sizeof(addr));
 
-  pollsets[0] = &g_pollset;
+  pollsets[0] = g_pollset;
   grpc_udp_server_start(&exec_ctx, s, pollsets, 1, NULL);
 
   gpr_mu_lock(g_mu);
@@ -158,7 +161,7 @@ static void test_receive(int number_of_clients) {
     while (g_number_of_reads == number_of_reads_before &&
            gpr_time_cmp(deadline, gpr_now(deadline.clock_type)) > 0) {
       grpc_pollset_worker *worker = NULL;
-      grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+      grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                         gpr_now(GPR_CLOCK_MONOTONIC), deadline);
       gpr_mu_unlock(g_mu);
       grpc_exec_ctx_finish(&exec_ctx);
@@ -184,7 +187,8 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_pollset_init(&g_pollset, &g_mu);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
 
   test_no_op();
   test_no_op_with_start();
@@ -193,9 +197,10 @@ int main(int argc, char **argv) {
   test_receive(1);
   test_receive(10);
 
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
+  gpr_free(g_pollset);
   grpc_iomgr_shutdown();
   return 0;
 }
diff --git a/test/core/iomgr/workqueue_test.c b/test/core/iomgr/workqueue_test.c
index 8a1faf6303ef626d89b76bbf98a9db587279d284..874e696fc2f1ee8fd3a22774a920f2d693627400 100644
--- a/test/core/iomgr/workqueue_test.c
+++ b/test/core/iomgr/workqueue_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/workqueue.h"
+#include "src/core/lib/iomgr/workqueue.h"
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
diff --git a/test/core/json/corpus/006d552e952c42b5340baaeb85c2cb80c81e78dd b/test/core/json/corpus/006d552e952c42b5340baaeb85c2cb80c81e78dd
new file mode 100644
index 0000000000000000000000000000000000000000..762064c7a4f9e5bbaa36d6d4631fbbffa6807f79
--- /dev/null
+++ b/test/core/json/corpus/006d552e952c42b5340baaeb85c2cb80c81e78dd
@@ -0,0 +1 @@
+1e�9
\ No newline at end of file
diff --git a/test/core/json/corpus/007eb985c44b6089a34995a7d9ebf349f1c2bf18 b/test/core/json/corpus/007eb985c44b6089a34995a7d9ebf349f1c2bf18
new file mode 100644
index 0000000000000000000000000000000000000000..8affa52ec5547148c1ee9593e6196b401a6d391c
--- /dev/null
+++ b/test/core/json/corpus/007eb985c44b6089a34995a7d9ebf349f1c2bf18
@@ -0,0 +1 @@
+{}3[
\ No newline at end of file
diff --git a/test/core/json/corpus/03b74a08f23734691512cb12d0b38d189a8df905 b/test/core/json/corpus/03b74a08f23734691512cb12d0b38d189a8df905
new file mode 100644
index 0000000000000000000000000000000000000000..7ffe3f3e086541dd69f60ef72b2b223b520068e0
--- /dev/null
+++ b/test/core/json/corpus/03b74a08f23734691512cb12d0b38d189a8df905
@@ -0,0 +1 @@
+0.6991 
\ No newline at end of file
diff --git a/test/core/json/corpus/0495693af07325fb0d52eafd2d4c4d802c6457c6 b/test/core/json/corpus/0495693af07325fb0d52eafd2d4c4d802c6457c6
new file mode 100644
index 0000000000000000000000000000000000000000..f7752eeee7bb856ec3c706328ed1fc3ed61e0e56
--- /dev/null
+++ b/test/core/json/corpus/0495693af07325fb0d52eafd2d4c4d802c6457c6
@@ -0,0 +1 @@
+0.83282
\ No newline at end of file
diff --git a/test/core/json/corpus/05454ab015cf74e9c3e8574d995517e05dd56751 b/test/core/json/corpus/05454ab015cf74e9c3e8574d995517e05dd56751
new file mode 100644
index 0000000000000000000000000000000000000000..8377c554f7d11a418d19436e06cb439ac8330da9
--- /dev/null
+++ b/test/core/json/corpus/05454ab015cf74e9c3e8574d995517e05dd56751
@@ -0,0 +1 @@
+21.595�
\ No newline at end of file
diff --git a/test/core/json/corpus/0716d9708d321ffb6a00818614779e779925365c b/test/core/json/corpus/0716d9708d321ffb6a00818614779e779925365c
new file mode 100644
index 0000000000000000000000000000000000000000..8e2afd342773582f9484b796cdc0b84736e8194e
--- /dev/null
+++ b/test/core/json/corpus/0716d9708d321ffb6a00818614779e779925365c
@@ -0,0 +1 @@
+17
\ No newline at end of file
diff --git a/test/core/json/corpus/0a9b3522a8e711e3bd53e2c2eb9d28b34a003acc b/test/core/json/corpus/0a9b3522a8e711e3bd53e2c2eb9d28b34a003acc
new file mode 100644
index 0000000000000000000000000000000000000000..d249eb2e136ef6be18ea19374c7bf6284edda3b1
--- /dev/null
+++ b/test/core/json/corpus/0a9b3522a8e711e3bd53e2c2eb9d28b34a003acc
@@ -0,0 +1 @@
+[2.1e	"�Á796;]3*
\ No newline at end of file
diff --git a/test/core/json/corpus/0ade7c2cf97f75d009975f4d720d1fa6c19f4897 b/test/core/json/corpus/0ade7c2cf97f75d009975f4d720d1fa6c19f4897
new file mode 100644
index 0000000000000000000000000000000000000000..f11c82a4cb6cc2e8f3bdf52b5cdeaad4d5bb214e
--- /dev/null
+++ b/test/core/json/corpus/0ade7c2cf97f75d009975f4d720d1fa6c19f4897
@@ -0,0 +1 @@
+9
\ No newline at end of file
diff --git a/test/core/json/corpus/0b1fcf0ac07e1e50cfe27316c7e1c8cc997f1318 b/test/core/json/corpus/0b1fcf0ac07e1e50cfe27316c7e1c8cc997f1318
new file mode 100644
index 0000000000000000000000000000000000000000..b66d61bb14983a6dc6eda74bc45194e2a0220b04
--- /dev/null
+++ b/test/core/json/corpus/0b1fcf0ac07e1e50cfe27316c7e1c8cc997f1318
@@ -0,0 +1 @@
+{"'5E885,!\u065E{
\ No newline at end of file
diff --git a/test/core/json/corpus/0bc13548356d08009703d35e9c8d74397367bdfb b/test/core/json/corpus/0bc13548356d08009703d35e9c8d74397367bdfb
new file mode 100644
index 0000000000000000000000000000000000000000..2c23914282d460029b37475c725d1dc44fa6bd77
--- /dev/null
+++ b/test/core/json/corpus/0bc13548356d08009703d35e9c8d74397367bdfb
@@ -0,0 +1 @@
+nu,*:
\ No newline at end of file
diff --git a/test/core/json/corpus/0ea9a160c57f2c705dce037196e360bf9be739c5 b/test/core/json/corpus/0ea9a160c57f2c705dce037196e360bf9be739c5
new file mode 100644
index 0000000000000000000000000000000000000000..f92893d1da4321b97afd9d61575018ab7facb63e
--- /dev/null
+++ b/test/core/json/corpus/0ea9a160c57f2c705dce037196e360bf9be739c5
@@ -0,0 +1 @@
+f'
\ No newline at end of file
diff --git a/test/core/json/corpus/0f20d9c46991c0e97419e2cca07c7389f1d6bdf8 b/test/core/json/corpus/0f20d9c46991c0e97419e2cca07c7389f1d6bdf8
new file mode 100644
index 0000000000000000000000000000000000000000..05a6fb244479656682f70ad9f285fd0f0dfee109
--- /dev/null
+++ b/test/core/json/corpus/0f20d9c46991c0e97419e2cca07c7389f1d6bdf8
@@ -0,0 +1 @@
+1e	"�Á9
\ No newline at end of file
diff --git a/test/core/json/corpus/0f2e2e6346f70c419300b661251754d50f7ca8ea b/test/core/json/corpus/0f2e2e6346f70c419300b661251754d50f7ca8ea
new file mode 100644
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+++ b/test/core/json/corpus/e235f6f2a8b6a22117f1baa932fb6c69799e1136
@@ -0,0 +1 @@
+[1.197;
\ No newline at end of file
diff --git a/test/core/json/corpus/e3a654055a867ae62d8e68fa2c410228ac55cb6d b/test/core/json/corpus/e3a654055a867ae62d8e68fa2c410228ac55cb6d
new file mode 100644
index 0000000000000000000000000000000000000000..428fe547728966d209aeff79ff678fb60329e8ff
--- /dev/null
+++ b/test/core/json/corpus/e3a654055a867ae62d8e68fa2c410228ac55cb6d
@@ -0,0 +1 @@
+"!!\''
\ No newline at end of file
diff --git a/test/core/json/corpus/e3c680aac46b9c46392e3b2c43ecdcc1547f2023 b/test/core/json/corpus/e3c680aac46b9c46392e3b2c43ecdcc1547f2023
new file mode 100644
index 0000000000000000000000000000000000000000..53f048b6502a9b84f468bc79159836e1934d6f4e
--- /dev/null
+++ b/test/core/json/corpus/e3c680aac46b9c46392e3b2c43ecdcc1547f2023
@@ -0,0 +1 @@
+[}G3
\ No newline at end of file
diff --git a/test/core/json/corpus/e3d134b35cc25a4861d90023c95988ec6103ddd5 b/test/core/json/corpus/e3d134b35cc25a4861d90023c95988ec6103ddd5
new file mode 100644
index 0000000000000000000000000000000000000000..a9f28d4a551d953400077b023defdc1519189cad
--- /dev/null
+++ b/test/core/json/corpus/e3d134b35cc25a4861d90023c95988ec6103ddd5
@@ -0,0 +1 @@
+"��{)!:*�;!'ʳ�!!*!�):!*�::\udb)8��!�:{`!?`��!?'!*m,');�'`
\ No newline at end of file
diff --git a/test/core/json/corpus/e3ff65de4b1622315c3b34b7a5e39bffb275489d b/test/core/json/corpus/e3ff65de4b1622315c3b34b7a5e39bffb275489d
new file mode 100644
index 0000000000000000000000000000000000000000..d188dbf352522df6766d2798182e01b92db7075f
--- /dev/null
+++ b/test/core/json/corpus/e3ff65de4b1622315c3b34b7a5e39bffb275489d
@@ -0,0 +1 @@
+[2.19
\ No newline at end of file
diff --git a/test/core/json/corpus/e4a4085cc31476f5de9047422851d8ccf86339df b/test/core/json/corpus/e4a4085cc31476f5de9047422851d8ccf86339df
new file mode 100644
index 0000000000000000000000000000000000000000..e673b6dd2ec61119164ec061d46470cfba97598f
--- /dev/null
+++ b/test/core/json/corpus/e4a4085cc31476f5de9047422851d8ccf86339df
@@ -0,0 +1 @@
+{"',!\u@':�
\ No newline at end of file
diff --git a/test/core/json/corpus/e4e3c69da200af932c8a79fa055d7aeea28eb1d1 b/test/core/json/corpus/e4e3c69da200af932c8a79fa055d7aeea28eb1d1
new file mode 100644
index 0000000000000000000000000000000000000000..fa71dbecbc0e9407a337a68fea8435defb152339
--- /dev/null
+++ b/test/core/json/corpus/e4e3c69da200af932c8a79fa055d7aeea28eb1d1
@@ -0,0 +1 @@
+[2."��!{)!:",��
\ No newline at end of file
diff --git a/test/core/json/corpus/e6c3dd630428fd54834172b8fd2735fed9416da4 b/test/core/json/corpus/e6c3dd630428fd54834172b8fd2735fed9416da4
new file mode 100644
index 0000000000000000000000000000000000000000..2b82dfea308730c4f925388dbb683e6eae360640
--- /dev/null
+++ b/test/core/json/corpus/e6c3dd630428fd54834172b8fd2735fed9416da4
@@ -0,0 +1 @@
+60
\ No newline at end of file
diff --git a/test/core/json/corpus/e71eb37fca2070521e1e07c503c2bcd6445b35ea b/test/core/json/corpus/e71eb37fca2070521e1e07c503c2bcd6445b35ea
new file mode 100644
index 0000000000000000000000000000000000000000..67a6628324722220f8b1afce840249c38d893e9d
--- /dev/null
+++ b/test/core/json/corpus/e71eb37fca2070521e1e07c503c2bcd6445b35ea
@@ -0,0 +1 @@
+0
{
\ No newline at end of file
diff --git a/test/core/json/corpus/e760e6e22ae8cd1ea78fe28b5eb1f3d7b5fdc536 b/test/core/json/corpus/e760e6e22ae8cd1ea78fe28b5eb1f3d7b5fdc536
new file mode 100644
index 0000000000000000000000000000000000000000..3e747cc04ee47d55294293da080925196c2ef9ad
--- /dev/null
+++ b/test/core/json/corpus/e760e6e22ae8cd1ea78fe28b5eb1f3d7b5fdc536
@@ -0,0 +1 @@
+{:�)!�"*�?'ʳ�!!*!�):!*�:::\udbD8�)�!:{!`!?`��!?'!*m,');�'`
\ No newline at end of file
diff --git a/test/core/json/corpus/e95ff1142118a2ca5b84935612a8a64d55360e64 b/test/core/json/corpus/e95ff1142118a2ca5b84935612a8a64d55360e64
new file mode 100644
index 0000000000000000000000000000000000000000..ca8bbcc42a4cda44f23678f6ace89c1b71a6f68b
--- /dev/null
+++ b/test/core/json/corpus/e95ff1142118a2ca5b84935612a8a64d55360e64
@@ -0,0 +1 @@
+"��{)!:*�;?'ʳ�!!*!�):!*�:::\udb)8��!�:{!`!?`��!?'!*m,');�'`
\ No newline at end of file
diff --git a/test/core/json/corpus/e9c5e2c67930513941753c2d54591c7098c82f6c b/test/core/json/corpus/e9c5e2c67930513941753c2d54591c7098c82f6c
new file mode 100644
index 0000000000000000000000000000000000000000..f9991b43f6b9cb586a4e3a3445b0acb68d9eded1
--- /dev/null
+++ b/test/core/json/corpus/e9c5e2c67930513941753c2d54591c7098c82f6c
@@ -0,0 +1 @@
+[3]4*
\ No newline at end of file
diff --git a/test/core/json/corpus/eb26070d17ffa908204912e75cb4313835042038 b/test/core/json/corpus/eb26070d17ffa908204912e75cb4313835042038
new file mode 100644
index 0000000000000000000000000000000000000000..812293756d791a42f6632bc87159587dbfdc6c73
--- /dev/null
+++ b/test/core/json/corpus/eb26070d17ffa908204912e75cb4313835042038
@@ -0,0 +1 @@
+["*]:�!{)�?'ʳ�!!*!�):!*�:::\udbD8�){�!:{!`!?`��"(�
\ No newline at end of file
diff --git a/test/core/json/corpus/ebc6aee49e5ae57722df86e7fa33c420f045a449 b/test/core/json/corpus/ebc6aee49e5ae57722df86e7fa33c420f045a449
new file mode 100644
index 0000000000000000000000000000000000000000..ee58b9086a35abed2ee6b3de0c027c7f8f73022c
--- /dev/null
+++ b/test/core/json/corpus/ebc6aee49e5ae57722df86e7fa33c420f045a449
@@ -0,0 +1 @@
+03(
\ No newline at end of file
diff --git a/test/core/json/corpus/ed1dc11d713e7487de18ce8317b62916959206d0 b/test/core/json/corpus/ed1dc11d713e7487de18ce8317b62916959206d0
new file mode 100644
index 0000000000000000000000000000000000000000..90e536ec3fe95588eb97bd2d45fc2df19c061fbd
--- /dev/null
+++ b/test/core/json/corpus/ed1dc11d713e7487de18ce8317b62916959206d0
@@ -0,0 +1 @@
+8324E6;)
\ No newline at end of file
diff --git a/test/core/json/corpus/ede3f66106acd7796da8b3942d029fe213058286 b/test/core/json/corpus/ede3f66106acd7796da8b3942d029fe213058286
new file mode 100644
index 0000000000000000000000000000000000000000..69cea590c225bbd7b6a21495102a284628047f6a
--- /dev/null
+++ b/test/core/json/corpus/ede3f66106acd7796da8b3942d029fe213058286
@@ -0,0 +1 @@
+5834E0y);)�	)!�
\ No newline at end of file
diff --git a/test/core/json/corpus/eed7bd220cd511b6d42ce6553019266a22a3d56a b/test/core/json/corpus/eed7bd220cd511b6d42ce6553019266a22a3d56a
new file mode 100644
index 0000000000000000000000000000000000000000..60f86bd1d30d674c14e0484f74ccff11d9e4f293
--- /dev/null
+++ b/test/core/json/corpus/eed7bd220cd511b6d42ce6553019266a22a3d56a
@@ -0,0 +1 @@
+0,0	
\ No newline at end of file
diff --git a/test/core/json/corpus/f090932162756b798b1a050b05e3d36a3437c4fc b/test/core/json/corpus/f090932162756b798b1a050b05e3d36a3437c4fc
new file mode 100644
index 0000000000000000000000000000000000000000..24f98f2d5fb8311ccc59a49e9e719fc208441f53
--- /dev/null
+++ b/test/core/json/corpus/f090932162756b798b1a050b05e3d36a3437c4fc
@@ -0,0 +1 @@
+367
\ No newline at end of file
diff --git a/test/core/json/corpus/f1905eaa84ba6a3593ec6ac0486a5b42893c01f1 b/test/core/json/corpus/f1905eaa84ba6a3593ec6ac0486a5b42893c01f1
new file mode 100644
index 0000000000000000000000000000000000000000..601a7b20af23bdb51b6f48734616fbd2a328ba87
--- /dev/null
+++ b/test/core/json/corpus/f1905eaa84ba6a3593ec6ac0486a5b42893c01f1
@@ -0,0 +1 @@
+50{:�)!�"*�?'ʳ�!!*!�):!*�::8!9:\udbD8�)�!:{!`
\ No newline at end of file
diff --git a/test/core/json/corpus/f4635fbbf765ead81a261ca152df02622e182d2c b/test/core/json/corpus/f4635fbbf765ead81a261ca152df02622e182d2c
new file mode 100644
index 0000000000000000000000000000000000000000..30e0f2b2e840626e58ae583f02b6f6c2392f2d0f
--- /dev/null
+++ b/test/core/json/corpus/f4635fbbf765ead81a261ca152df02622e182d2c
@@ -0,0 +1 @@
+"19
\ No newline at end of file
diff --git a/test/core/json/corpus/f46eeb1020c7c4153e742a50bc24c2c6939dab1e b/test/core/json/corpus/f46eeb1020c7c4153e742a50bc24c2c6939dab1e
new file mode 100644
index 0000000000000000000000000000000000000000..8c0a186967c0be680cd94cc9932ad5c7ceaa5cc1
--- /dev/null
+++ b/test/core/json/corpus/f46eeb1020c7c4153e742a50bc24c2c6939dab1e
@@ -0,0 +1 @@
+363
diff --git a/test/core/json/corpus/f473451610783521d51bc08cdd920ddd97f8a71f b/test/core/json/corpus/f473451610783521d51bc08cdd920ddd97f8a71f
new file mode 100644
index 0000000000000000000000000000000000000000..b73c5ecd08d877a07e91d4a50a550746a16bee2e
--- /dev/null
+++ b/test/core/json/corpus/f473451610783521d51bc08cdd920ddd97f8a71f
@@ -0,0 +1 @@
+{"*]:�!{)�?'ʳ� !*!�):!*�:::\udbD8\!)!{�:{!`!?`��"(�
\ No newline at end of file
diff --git a/test/core/json/corpus/f63aa599600f6e7d648c4287905e16e8e6e479fd b/test/core/json/corpus/f63aa599600f6e7d648c4287905e16e8e6e479fd
new file mode 100644
index 0000000000000000000000000000000000000000..4b681256fe6961688d1b79e2d50d397f35189248
--- /dev/null
+++ b/test/core/json/corpus/f63aa599600f6e7d648c4287905e16e8e6e479fd
@@ -0,0 +1 @@
+"��{)!:"])�!:{"*�?'ʳ�!!*!�):!*�:::\�;?'ʳud
\ No newline at end of file
diff --git a/test/core/json/corpus/f667dcf1c06e87db2dc49d86ea1c285e796f8f8c b/test/core/json/corpus/f667dcf1c06e87db2dc49d86ea1c285e796f8f8c
new file mode 100644
index 0000000000000000000000000000000000000000..b6dfbd533679c92b943727b9462a6a46be909db8
--- /dev/null
+++ b/test/core/json/corpus/f667dcf1c06e87db2dc49d86ea1c285e796f8f8c
@@ -0,0 +1 @@
+813e124280
\ No newline at end of file
diff --git a/test/core/json/corpus/f8d0f85975e49b959799cc52847110cc940b9db1 b/test/core/json/corpus/f8d0f85975e49b959799cc52847110cc940b9db1
new file mode 100644
index 0000000000000000000000000000000000000000..0c7f592376181b824ef720db8899163519e05e1a
--- /dev/null
+++ b/test/core/json/corpus/f8d0f85975e49b959799cc52847110cc940b9db1
@@ -0,0 +1 @@
+604
\ No newline at end of file
diff --git a/test/core/json/corpus/f92c47e35da42d79a48beff54b93cd28f55f05fb b/test/core/json/corpus/f92c47e35da42d79a48beff54b93cd28f55f05fb
new file mode 100644
index 0000000000000000000000000000000000000000..1444ba2be28e7441ca9f1446ee5b46a6c56add8f
--- /dev/null
+++ b/test/core/json/corpus/f92c47e35da42d79a48beff54b93cd28f55f05fb
@@ -0,0 +1 @@
+1e9
\ No newline at end of file
diff --git a/test/core/json/corpus/f9a33bb8bd78d869fbafa402d9be58940ce2c318 b/test/core/json/corpus/f9a33bb8bd78d869fbafa402d9be58940ce2c318
new file mode 100644
index 0000000000000000000000000000000000000000..fbcb9dab0eb6750004a5ad9c79b901f69003cc0a
--- /dev/null
+++ b/test/core/json/corpus/f9a33bb8bd78d869fbafa402d9be58940ce2c318
@@ -0,0 +1 @@
+1E	"���960
\ No newline at end of file
diff --git a/test/core/json/corpus/fbf6f3156c1bd4bb701839bc0e26533bdccd1c9a b/test/core/json/corpus/fbf6f3156c1bd4bb701839bc0e26533bdccd1c9a
new file mode 100644
index 0000000000000000000000000000000000000000..d60f1d8b4377b7280db9c5ea5c9d2f169a7172cb
--- /dev/null
+++ b/test/core/json/corpus/fbf6f3156c1bd4bb701839bc0e26533bdccd1c9a
@@ -0,0 +1 @@
+0,fa%)
\ No newline at end of file
diff --git a/test/core/json/corpus/fe2ef495a1152561572949784c16bf23abb28057 b/test/core/json/corpus/fe2ef495a1152561572949784c16bf23abb28057
new file mode 100644
index 0000000000000000000000000000000000000000..abc4eff6ac83026669840d289fce80cc9a42baaa
--- /dev/null
+++ b/test/core/json/corpus/fe2ef495a1152561572949784c16bf23abb28057
@@ -0,0 +1 @@
+46
\ No newline at end of file
diff --git a/test/core/json/corpus/fe5dbbcea5ce7e2988b8c69bcfdfde8904aabc1f b/test/core/json/corpus/fe5dbbcea5ce7e2988b8c69bcfdfde8904aabc1f
new file mode 100644
index 0000000000000000000000000000000000000000..301160a93062df23030a69f4b5e4d9bf71866ee9
--- /dev/null
+++ b/test/core/json/corpus/fe5dbbcea5ce7e2988b8c69bcfdfde8904aabc1f
@@ -0,0 +1 @@
+8
\ No newline at end of file
diff --git a/test/core/json/corpus/ff8fb34603c7f772768d61504954553e6bed173c b/test/core/json/corpus/ff8fb34603c7f772768d61504954553e6bed173c
new file mode 100644
index 0000000000000000000000000000000000000000..9586ab9bccebd32768051b9faafb5ae343721eca
--- /dev/null
+++ b/test/core/json/corpus/ff8fb34603c7f772768d61504954553e6bed173c
@@ -0,0 +1 @@
+n'
\ No newline at end of file
diff --git a/test/core/json/corpus/test1.json b/test/core/json/corpus/test1.json
new file mode 100644
index 0000000000000000000000000000000000000000..2393cd01d4bfa08f91256ca5ff39a55d59a46505
--- /dev/null
+++ b/test/core/json/corpus/test1.json
@@ -0,0 +1 @@
+{"foo":"bar"}
diff --git a/test/core/json/corpus/test2.json b/test/core/json/corpus/test2.json
new file mode 100644
index 0000000000000000000000000000000000000000..810c96eeeb75e3d55e8d9d392615b8cc1857fdcf
--- /dev/null
+++ b/test/core/json/corpus/test2.json
@@ -0,0 +1 @@
+"foo"
diff --git a/test/core/json/corpus/test3.json b/test/core/json/corpus/test3.json
new file mode 100644
index 0000000000000000000000000000000000000000..8adb9bb60487d3acd1a0f20479afb7243789aea0
--- /dev/null
+++ b/test/core/json/corpus/test3.json
@@ -0,0 +1 @@
+[1,2,3,4]
diff --git a/test/core/json/corpus/test4.json b/test/core/json/corpus/test4.json
new file mode 100644
index 0000000000000000000000000000000000000000..4c3fcf9ac73f9235fa843936f6123bd36444f880
--- /dev/null
+++ b/test/core/json/corpus/test4.json
@@ -0,0 +1 @@
+1e943923
diff --git a/test/core/json/corpus/test5.json b/test/core/json/corpus/test5.json
new file mode 100644
index 0000000000000000000000000000000000000000..03f1d792ec99f2bc01e18ec621a25c588cad6b81
--- /dev/null
+++ b/test/core/json/corpus/test5.json
@@ -0,0 +1 @@
+100000000000000000000000000000000000000000000000000000000000001
diff --git a/test/core/json/corpus/test6.json b/test/core/json/corpus/test6.json
new file mode 100644
index 0000000000000000000000000000000000000000..27ba77ddaf61532f217964734769a42cdabc17dc
--- /dev/null
+++ b/test/core/json/corpus/test6.json
@@ -0,0 +1 @@
+true
diff --git a/test/core/json/corpus/test7.json b/test/core/json/corpus/test7.json
new file mode 100644
index 0000000000000000000000000000000000000000..c508d5366f70bba37fcc09d128b6537c4adb2c79
--- /dev/null
+++ b/test/core/json/corpus/test7.json
@@ -0,0 +1 @@
+false
diff --git a/test/core/json/corpus/test8.json b/test/core/json/corpus/test8.json
new file mode 100644
index 0000000000000000000000000000000000000000..19765bd501b636fce433540d9e6735f51d66151d
--- /dev/null
+++ b/test/core/json/corpus/test8.json
@@ -0,0 +1 @@
+null
diff --git a/test/core/json/corpus/test9.json b/test/core/json/corpus/test9.json
new file mode 100644
index 0000000000000000000000000000000000000000..affaba369ab1529ca3a5cd88b2626f98b84cd742
--- /dev/null
+++ b/test/core/json/corpus/test9.json
@@ -0,0 +1 @@
+{"alpha":null,"beta":false,"gamma":2.3,"xyz":"abc","negative":-133}
diff --git a/test/core/json/fuzzer.c b/test/core/json/fuzzer.c
new file mode 100644
index 0000000000000000000000000000000000000000..e94b41ca99959169e5ab0058b1a55f611d3cba6b
--- /dev/null
+++ b/test/core/json/fuzzer.c
@@ -0,0 +1,58 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "src/core/lib/json/json.h"
+#include "test/core/util/memory_counters.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  char *s;
+  struct grpc_memory_counters counters;
+  grpc_memory_counters_init();
+  s = gpr_malloc(size);
+  memcpy(s, data, size);
+  grpc_json *x;
+  if ((x = grpc_json_parse_string_with_len(s, size))) {
+    grpc_json_destroy(x);
+  }
+  gpr_free(s);
+  counters = grpc_memory_counters_snapshot();
+  grpc_memory_counters_destroy();
+  GPR_ASSERT(counters.total_size_relative == 0);
+  return 0;
+}
diff --git a/test/core/json/json_rewrite.c b/test/core/json/json_rewrite.c
index 0c615a9975d1c34c5c07e04d2ae2578d2c53a745..c43c6e25899dc462ee67a9414f6fc781bafad1ce 100644
--- a/test/core/json/json_rewrite.c
+++ b/test/core/json/json_rewrite.c
@@ -38,8 +38,8 @@
 #include <grpc/support/cmdline.h>
 #include <grpc/support/log.h>
 
-#include "src/core/json/json_reader.h"
-#include "src/core/json/json_writer.h"
+#include "src/core/lib/json/json_reader.h"
+#include "src/core/lib/json/json_writer.h"
 
 typedef struct json_writer_userdata { FILE *out; } json_writer_userdata;
 
diff --git a/test/core/json/json_rewrite_test.c b/test/core/json/json_rewrite_test.c
index d99cb0dd03f804af22a3d807073ea7e4e58a99c6..cf42670337b3de8f75f2c8c80e0cba04fba34cd3 100644
--- a/test/core/json/json_rewrite_test.c
+++ b/test/core/json/json_rewrite_test.c
@@ -35,12 +35,12 @@
 #include <stdlib.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/useful.h>
 #include <grpc/support/log.h>
+#include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
-#include "src/core/json/json_reader.h"
-#include "src/core/json/json_writer.h"
+#include "src/core/lib/json/json_reader.h"
+#include "src/core/lib/json/json_writer.h"
 
 typedef struct json_writer_userdata { FILE *cmp; } json_writer_userdata;
 
diff --git a/test/core/json/json_stream_error_test.c b/test/core/json/json_stream_error_test.c
index 400776759df6f60d67098e5e2ef225f635fffc83..82b9bd96d3cc9196f4e8db0db2f608a45f2e253c 100644
--- a/test/core/json/json_stream_error_test.c
+++ b/test/core/json/json_stream_error_test.c
@@ -35,12 +35,12 @@
 #include <stdlib.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/useful.h>
 #include <grpc/support/log.h>
+#include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
-#include "src/core/json/json_reader.h"
-#include "src/core/json/json_writer.h"
+#include "src/core/lib/json/json_reader.h"
+#include "src/core/lib/json/json_writer.h"
 
 static int g_string_clear_once = 0;
 
diff --git a/test/core/json/json_test.c b/test/core/json/json_test.c
index cbd96a75fe211de9c79acf5254b7a6ca3251af90..7ea5caca5b1fe3257850aa30b7a5956d73d7c12d 100644
--- a/test/core/json/json_test.c
+++ b/test/core/json/json_test.c
@@ -34,11 +34,11 @@
 #include <string.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/useful.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
-#include "src/core/json/json.h"
-#include "src/core/support/string.h"
+#include <grpc/support/useful.h>
+#include "src/core/lib/json/json.h"
+#include "src/core/lib/support/string.h"
 
 #include "test/core/util/test_config.h"
 
@@ -67,7 +67,7 @@ static testing_pair testing_pairs[] = {
     {"{\"\\ud834\\udd1e\":0}", "{\"\\ud834\\udd1e\":0}"},
     /* Testing nested empty containers. */
     {
-     " [ [ ] , { } , [ ] ] ", "[[],{},[]]",
+        " [ [ ] , { } , [ ] ] ", "[[],{},[]]",
     },
     /* Testing escapes and control chars in key strings. */
     {" { \"\\u007f\x7f\\n\\r\\\"\\f\\b\\\\a , b\": 1, \"\": 0 } ",
@@ -89,6 +89,8 @@ static testing_pair testing_pairs[] = {
     {"{\"foo\": bar}", NULL},
     {"{\"foo\": bar\"x\"}", NULL},
     {"fals", NULL},
+    {"0,0 ", NULL},
+    {"\"foo\",[]", NULL},
     /* Testing unterminated string. */
     {"\"\\x", NULL},
     /* Testing invalid UTF-16 number. */
diff --git a/test/core/nanopb/corpus_response/0052f8fb6a7884ced8a6754aa13441be1f7dcd51 b/test/core/nanopb/corpus_response/0052f8fb6a7884ced8a6754aa13441be1f7dcd51
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diff --git a/test/core/nanopb/corpus_response/0c35544f40d428d103e9c5b969ad9cd16767b110 b/test/core/nanopb/corpus_response/0c35544f40d428d103e9c5b969ad9cd16767b110
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diff --git a/test/core/nanopb/corpus_response/0c60ee9ed55c9af6190b132ef6636c1d2abe4540 b/test/core/nanopb/corpus_response/0c60ee9ed55c9af6190b132ef6636c1d2abe4540
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index 0000000000000000000000000000000000000000..85366bee0aac6fda6887ae1f39d859cc171b576b
--- /dev/null
+++ b/test/core/nanopb/corpus_response/0c60ee9ed55c9af6190b132ef6636c1d2abe4540
@@ -0,0 +1 @@
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\ No newline at end of file
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diff --git a/test/core/nanopb/corpus_response/1324c95dafe597fe05f9babe92fe6fbf181c1897 b/test/core/nanopb/corpus_response/1324c95dafe597fe05f9babe92fe6fbf181c1897
new file mode 100644
index 0000000000000000000000000000000000000000..4b7de2e4739cf72216fe28b29b2e8eaeb14c0e6a
--- /dev/null
+++ b/test/core/nanopb/corpus_response/1324c95dafe597fe05f9babe92fe6fbf181c1897
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/14eb42f7423081b455820daa2c02b358315dc0fa b/test/core/nanopb/corpus_response/14eb42f7423081b455820daa2c02b358315dc0fa
new file mode 100644
index 0000000000000000000000000000000000000000..5a077927d9a113435273ef11f096eaa8661438a6
--- /dev/null
+++ b/test/core/nanopb/corpus_response/14eb42f7423081b455820daa2c02b358315dc0fa
@@ -0,0 +1 @@
+(z%;:8!(�;�!>::��;=�(	);�;!��*:):B(r''' *�E�h;**!!�****
\ No newline at end of file
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diff --git a/test/core/nanopb/corpus_response/235548307ee9f2b0855fded42a871990d9ade956 b/test/core/nanopb/corpus_response/235548307ee9f2b0855fded42a871990d9ade956
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diff --git a/test/core/nanopb/corpus_response/28ed3a797da3c48c309a4ef792147f3c56cfec40 b/test/core/nanopb/corpus_response/28ed3a797da3c48c309a4ef792147f3c56cfec40
new file mode 100644
index 0000000000000000000000000000000000000000..f46d387bf94c89b81aaec9cff2ee52d1f9ab4187
--- /dev/null
+++ b/test/core/nanopb/corpus_response/28ed3a797da3c48c309a4ef792147f3c56cfec40
@@ -0,0 +1 @@
+(
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/2bf123dbfa1d37a04493b5662a4b3b9c147485fc b/test/core/nanopb/corpus_response/2bf123dbfa1d37a04493b5662a4b3b9c147485fc
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diff --git a/test/core/nanopb/corpus_response/2d4c0908ecc0310ea234d10b6bdb4f4ca3c41dd1 b/test/core/nanopb/corpus_response/2d4c0908ecc0310ea234d10b6bdb4f4ca3c41dd1
new file mode 100644
index 0000000000000000000000000000000000000000..cd74051c522a7c4e9e71e7069e250a74bd89b85d
--- /dev/null
+++ b/test/core/nanopb/corpus_response/2d4c0908ecc0310ea234d10b6bdb4f4ca3c41dd1
@@ -0,0 +1 @@
+):):\bJ'
\ No newline at end of file
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diff --git a/test/core/nanopb/corpus_response/324d4a2aed8bc1840fee212fd38dadec80a72ea2 b/test/core/nanopb/corpus_response/324d4a2aed8bc1840fee212fd38dadec80a72ea2
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new file mode 100644
index 0000000000000000000000000000000000000000..9320a7a95d77e90ed7f08a68baf02e53f935d453
--- /dev/null
+++ b/test/core/nanopb/corpus_response/33353a0b011901a13d010c6b165074ccdaa717ac
@@ -0,0 +1 @@
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\ No newline at end of file
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new file mode 100644
index 0000000000000000000000000000000000000000..4a551cf6de299115b1f93fb979792380bdfde320
--- /dev/null
+++ b/test/core/nanopb/corpus_response/49a5cef4c730ecab22712b156ddba5106f165afd
@@ -0,0 +1 @@
+(z!;:8!(�;�o!>::��;=�(	);��;!��*:):B(r''' *�E�h;**!!�****
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/4bbbbb794a098deeacff73b774c30f12c54ceacb b/test/core/nanopb/corpus_response/4bbbbb794a098deeacff73b774c30f12c54ceacb
new file mode 100644
index 0000000000000000000000000000000000000000..d99c09f88280640cb299191bbd00d1ba26df86be
--- /dev/null
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@@ -0,0 +1 @@
+(z%;28!(�;�!*>::�(z%;28!(�;�!>::���
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/4c498ce69c8476f745693deb23272930e05cad60 b/test/core/nanopb/corpus_response/4c498ce69c8476f745693deb23272930e05cad60
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diff --git a/test/core/nanopb/corpus_response/4fb5e3085c32e9bccac9e18343cca07017d037de b/test/core/nanopb/corpus_response/4fb5e3085c32e9bccac9e18343cca07017d037de
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diff --git a/test/core/nanopb/corpus_response/4fe5e46c1299e7f3e8a41dde3ae1bf1b60b4a43c b/test/core/nanopb/corpus_response/4fe5e46c1299e7f3e8a41dde3ae1bf1b60b4a43c
new file mode 100644
index 0000000000000000000000000000000000000000..3d44fadc61a57b4e296c9baf818a690cab2071fb
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+++ b/test/core/nanopb/corpus_response/4fe5e46c1299e7f3e8a41dde3ae1bf1b60b4a43c
@@ -0,0 +1 @@
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@@ -0,0 +1 @@
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--- /dev/null
+++ b/test/core/nanopb/fuzzer_response.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/lb_policy/grpclb/load_balancer_api.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_grpclb_response *response;
+  if ((response = grpc_grpclb_response_parse(slice))) {
+    grpc_grpclb_response_destroy(response);
+  }
+  gpr_slice_unref(slice);
+  return 0;
+}
diff --git a/test/core/nanopb/fuzzer_serverlist.c b/test/core/nanopb/fuzzer_serverlist.c
new file mode 100644
index 0000000000000000000000000000000000000000..d4ec74f0e79f5af4de3c41c79121bfd39e800ce6
--- /dev/null
+++ b/test/core/nanopb/fuzzer_serverlist.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/lb_policy/grpclb/load_balancer_api.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_grpclb_serverlist *serverlist;
+  if ((serverlist = grpc_grpclb_response_parse_serverlist(slice))) {
+    grpc_grpclb_destroy_serverlist(serverlist);
+  }
+  gpr_slice_unref(slice);
+  return 0;
+}
diff --git a/test/core/network_benchmarks/low_level_ping_pong.c b/test/core/network_benchmarks/low_level_ping_pong.c
index dd1544c27b82307c6097ca37a14b1445ad253d0d..1b40895a7194028cbb6360d3092c16d449085acf 100644
--- a/test/core/network_benchmarks/low_level_ping_pong.c
+++ b/test/core/network_benchmarks/low_level_ping_pong.c
@@ -49,13 +49,14 @@
 #endif
 #include <sys/socket.h>
 
-#include "src/core/iomgr/socket_utils_posix.h"
+#include <grpc/support/alloc.h>
 #include <grpc/support/cmdline.h>
 #include <grpc/support/histogram.h>
 #include <grpc/support/log.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/iomgr/socket_utils_posix.h"
 
 typedef struct fd_pair {
   int read_fd;
@@ -265,19 +266,19 @@ static int epoll_setup(thread_args *args) {
 #endif
 
 static void server_thread(thread_args *args) {
-  char *buf = malloc(args->msg_size);
+  char *buf = gpr_malloc(args->msg_size);
   if (args->setup(args) < 0) {
     gpr_log(GPR_ERROR, "Setup failed");
   }
   for (;;) {
     if (args->read_bytes(args, buf) < 0) {
       gpr_log(GPR_ERROR, "Server read failed");
-      free(buf);
+      gpr_free(buf);
       return;
     }
     if (args->write_bytes(args, buf) < 0) {
       gpr_log(GPR_ERROR, "Server write failed");
-      free(buf);
+      gpr_free(buf);
       return;
     }
   }
@@ -304,7 +305,8 @@ static double now(void) {
 }
 
 static void client_thread(thread_args *args) {
-  char *buf = calloc(args->msg_size, sizeof(char));
+  char *buf = gpr_malloc(args->msg_size * sizeof(char));
+  memset(buf, 0, args->msg_size * sizeof(char));
   gpr_histogram *histogram = gpr_histogram_create(0.01, 60e9);
   double start_time;
   double end_time;
@@ -333,7 +335,7 @@ static void client_thread(thread_args *args) {
   }
   print_histogram(histogram);
 error:
-  free(buf);
+  gpr_free(buf);
   gpr_histogram_destroy(histogram);
 }
 
@@ -596,8 +598,8 @@ static int run_all_benchmarks(size_t msg_size) {
     test_strategy *strategy = &test_strategies[i];
     size_t j;
     for (j = 0; j < GPR_ARRAY_SIZE(socket_types); ++j) {
-      thread_args *client_args = malloc(sizeof(thread_args));
-      thread_args *server_args = malloc(sizeof(thread_args));
+      thread_args *client_args = gpr_malloc(sizeof(thread_args));
+      thread_args *server_args = gpr_malloc(sizeof(thread_args));
       char *socket_type = socket_types[j];
 
       client_args->read_bytes = strategy->read_strategy;
@@ -620,8 +622,8 @@ static int run_all_benchmarks(size_t msg_size) {
 }
 
 int main(int argc, char **argv) {
-  thread_args *client_args = malloc(sizeof(thread_args));
-  thread_args *server_args = malloc(sizeof(thread_args));
+  thread_args *client_args = gpr_malloc(sizeof(thread_args));
+  thread_args *server_args = gpr_malloc(sizeof(thread_args));
   int msg_size = -1;
   char *read_strategy = NULL;
   char *socket_type = NULL;
diff --git a/test/core/profiling/timers_test.c b/test/core/profiling/timers_test.c
index 7070fe465f17253729bde3cf3c7f599cf5cc6ae3..284589af1e173429b3bb6aa5ee5ded6d44e5a813 100644
--- a/test/core/profiling/timers_test.c
+++ b/test/core/profiling/timers_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 #include <stdlib.h>
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/security/auth_context_test.c b/test/core/security/auth_context_test.c
index d091c7e7e63006dc0b0acdcc24ce8268d6045dd5..d1ead162359d43ff802b42e5e668e33d3d693b8a 100644
--- a/test/core/security/auth_context_test.c
+++ b/test/core/security/auth_context_test.c
@@ -33,8 +33,8 @@
 
 #include <string.h>
 
-#include "src/core/security/security_context.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 #include <grpc/support/log.h>
diff --git a/test/core/security/b64_test.c b/test/core/security/b64_test.c
index 772514e1fdad166e0281a27eca0c22d4de19df4b..cea870321d3bc2f2dc6c4c5e679fb967fa6040ec 100644
--- a/test/core/security/b64_test.c
+++ b/test/core/security/b64_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/b64.h"
+#include "src/core/lib/security/b64.h"
 
 #include <string.h>
 
diff --git a/test/core/security/create_jwt.c b/test/core/security/create_jwt.c
index 4c0cf436eeb2ff2e46ed2eb95a9354d355a80c50..6d4707f3c7674422e4de381fc5bf9a86ad985ba5 100644
--- a/test/core/security/create_jwt.c
+++ b/test/core/security/create_jwt.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,9 +34,9 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/security/credentials.h"
-#include "src/core/security/json_token.h"
-#include "src/core/support/load_file.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/json_token.h"
+#include "src/core/lib/support/load_file.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/cmdline.h>
diff --git a/test/core/security/credentials_test.c b/test/core/security/credentials_test.c
index 98133ef5e5fc3519c83e20bf514849495bb2a7f9..786729327872b8a17b5280ab491fd15788dfa626 100644
--- a/test/core/security/credentials_test.c
+++ b/test/core/security/credentials_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,7 +33,7 @@
 
 #include <grpc/support/port_platform.h>
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 #include <openssl/rsa.h>
 #include <stdlib.h>
@@ -44,11 +44,11 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/security/json_token.h"
-#include "src/core/support/env.h"
-#include "src/core/support/tmpfile.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/security/json_token.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
 #include "test/core/util/test_config.h"
 
 /* -- Mock channel credentials. -- */
@@ -536,12 +536,12 @@ static void validate_compute_engine_http_request(
   GPR_ASSERT(request->handshaker != &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "metadata") == 0);
   GPR_ASSERT(
-      strcmp(request->path,
+      strcmp(request->http.path,
              "/computeMetadata/v1/instance/service-accounts/default/token") ==
       0);
-  GPR_ASSERT(request->hdr_count == 1);
-  GPR_ASSERT(strcmp(request->hdrs[0].key, "Metadata-Flavor") == 0);
-  GPR_ASSERT(strcmp(request->hdrs[0].value, "Google") == 0);
+  GPR_ASSERT(request->http.hdr_count == 1);
+  GPR_ASSERT(strcmp(request->http.hdrs[0].key, "Metadata-Flavor") == 0);
+  GPR_ASSERT(strcmp(request->http.hdrs[0].value, "Google") == 0);
 }
 
 static int compute_engine_httpcli_get_success_override(
@@ -639,11 +639,12 @@ static void validate_refresh_token_http_request(
   gpr_free(expected_body);
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, GRPC_GOOGLE_OAUTH2_SERVICE_HOST) == 0);
-  GPR_ASSERT(strcmp(request->path, GRPC_GOOGLE_OAUTH2_SERVICE_TOKEN_PATH) == 0);
-  GPR_ASSERT(request->hdr_count == 1);
-  GPR_ASSERT(strcmp(request->hdrs[0].key, "Content-Type") == 0);
   GPR_ASSERT(
-      strcmp(request->hdrs[0].value, "application/x-www-form-urlencoded") == 0);
+      strcmp(request->http.path, GRPC_GOOGLE_OAUTH2_SERVICE_TOKEN_PATH) == 0);
+  GPR_ASSERT(request->http.hdr_count == 1);
+  GPR_ASSERT(strcmp(request->http.hdrs[0].key, "Content-Type") == 0);
+  GPR_ASSERT(strcmp(request->http.hdrs[0].value,
+                    "application/x-www-form-urlencoded") == 0);
 }
 
 static int refresh_token_httpcli_post_success(
@@ -898,12 +899,12 @@ static int default_creds_gce_detection_httpcli_get_success_override(
     gpr_timespec deadline, grpc_httpcli_response_cb on_response,
     void *user_data) {
   grpc_httpcli_response response = http_response(200, "");
-  grpc_httpcli_header header;
+  grpc_http_header header;
   header.key = "Metadata-Flavor";
   header.value = "Google";
   response.hdr_count = 1;
   response.hdrs = &header;
-  GPR_ASSERT(strcmp(request->path, "/") == 0);
+  GPR_ASSERT(strcmp(request->http.path, "/") == 0);
   GPR_ASSERT(strcmp(request->host, "metadata.google.internal") == 0);
   on_response(exec_ctx, user_data, &response);
   return 1;
@@ -961,7 +962,7 @@ static int default_creds_gce_detection_httpcli_get_failure_override(
     void *user_data) {
   /* No magic header. */
   grpc_httpcli_response response = http_response(200, "");
-  GPR_ASSERT(strcmp(request->path, "/") == 0);
+  GPR_ASSERT(strcmp(request->http.path, "/") == 0);
   GPR_ASSERT(strcmp(request->host, "metadata.google.internal") == 0);
   on_response(exec_ctx, user_data, &response);
   return 1;
diff --git a/test/core/security/fetch_oauth2.c b/test/core/security/fetch_oauth2.c
index 87b54f1a0c3a871184371c8f7deca22976a56e59..bd314e90d8e42347035d77c6acfa163d093d3721 100644
--- a/test/core/security/fetch_oauth2.c
+++ b/test/core/security/fetch_oauth2.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,8 +42,8 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/sync.h>
 
-#include "src/core/security/credentials.h"
-#include "src/core/support/load_file.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/load_file.h"
 #include "test/core/security/oauth2_utils.h"
 
 static grpc_call_credentials *create_refresh_token_creds(
diff --git a/test/core/security/json_token_test.c b/test/core/security/json_token_test.c
index 4d80c16fb987577d617611d025361a252623bbdf..3aee52ee5c6ff6d8fd8c961cf3f99bbee157f8f3 100644
--- a/test/core/security/json_token_test.c
+++ b/test/core/security/json_token_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/json_token.h"
+#include "src/core/lib/security/json_token.h"
 
 #include <openssl/evp.h>
 #include <string.h>
@@ -41,8 +41,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
 
-#include "src/core/json/json.h"
-#include "src/core/security/b64.h"
+#include "src/core/lib/json/json.h"
+#include "src/core/lib/security/b64.h"
 #include "test/core/util/test_config.h"
 
 /* This JSON key was generated with the GCE console and revoked immediately.
diff --git a/test/core/security/jwt_verifier_test.c b/test/core/security/jwt_verifier_test.c
index f6ec9e12ef37753d95817d3cb17889cf888e3f0f..077f44d1d667a0e6ab72bfb022ff510d630243e0 100644
--- a/test/core/security/jwt_verifier_test.c
+++ b/test/core/security/jwt_verifier_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,20 +31,22 @@
  *
  */
 
-#include "src/core/security/jwt_verifier.h"
+#include "src/core/lib/security/jwt_verifier.h"
 
 #include <string.h>
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/security/b64.h"
-#include "src/core/security/json_token.h"
-#include "test/core/util/test_config.h"
+#include <grpc/grpc.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
 #include <grpc/support/string_util.h>
 
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/security/b64.h"
+#include "src/core/lib/security/json_token.h"
+#include "test/core/util/test_config.h"
+
 /* This JSON key was generated with the GCE console and revoked immediately.
    The identifiers have been changed as well.
    Maximum size for a string literal is 509 chars in C89, yay!  */
@@ -288,7 +290,7 @@ static int httpcli_get_google_keys_for_email(
   grpc_httpcli_response response = http_response(200, good_google_email_keys());
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "www.googleapis.com") == 0);
-  GPR_ASSERT(strcmp(request->path,
+  GPR_ASSERT(strcmp(request->http.path,
                     "/robot/v1/metadata/x509/"
                     "777-abaslkan11hlb6nmim3bpspl31ud@developer."
                     "gserviceaccount.com") == 0);
@@ -336,7 +338,7 @@ static int httpcli_get_custom_keys_for_email(
   grpc_httpcli_response response = http_response(200, gpr_strdup(good_jwk_set));
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "keys.bar.com") == 0);
-  GPR_ASSERT(strcmp(request->path, "/jwk/foo@bar.com") == 0);
+  GPR_ASSERT(strcmp(request->http.path, "/jwk/foo@bar.com") == 0);
   on_response(exec_ctx, user_data, &response);
   gpr_free(response.body);
   return 1;
@@ -372,7 +374,7 @@ static int httpcli_get_jwk_set(grpc_exec_ctx *exec_ctx,
   grpc_httpcli_response response = http_response(200, gpr_strdup(good_jwk_set));
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "www.googleapis.com") == 0);
-  GPR_ASSERT(strcmp(request->path, "/oauth2/v3/certs") == 0);
+  GPR_ASSERT(strcmp(request->http.path, "/oauth2/v3/certs") == 0);
   on_response(exec_ctx, user_data, &response);
   gpr_free(response.body);
   return 1;
@@ -387,7 +389,7 @@ static int httpcli_get_openid_config(grpc_exec_ctx *exec_ctx,
       http_response(200, gpr_strdup(good_openid_config));
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "accounts.google.com") == 0);
-  GPR_ASSERT(strcmp(request->path, GRPC_OPENID_CONFIG_URL_SUFFIX) == 0);
+  GPR_ASSERT(strcmp(request->http.path, GRPC_OPENID_CONFIG_URL_SUFFIX) == 0);
   grpc_httpcli_set_override(httpcli_get_jwk_set,
                             httpcli_post_should_not_be_called);
   on_response(exec_ctx, user_data, &response);
@@ -568,6 +570,7 @@ static void test_jwt_verifier_bad_format(void) {
 
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
   test_claims_success();
   test_expired_claims_failure();
   test_invalid_claims_failure();
@@ -579,5 +582,6 @@ int main(int argc, char **argv) {
   test_jwt_verifier_bad_json_key();
   test_jwt_verifier_bad_signature();
   test_jwt_verifier_bad_format();
+  grpc_shutdown();
   return 0;
 }
diff --git a/test/core/security/oauth2_utils.c b/test/core/security/oauth2_utils.c
index 9b70afffe1eebd4a20db36ed76d151f8b70e1a40..20815d184cdbfb7f34d003caefe29932ff68632b 100644
--- a/test/core/security/oauth2_utils.c
+++ b/test/core/security/oauth2_utils.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,7 +42,7 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/sync.h>
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 typedef struct {
   gpr_mu *mu;
diff --git a/test/core/security/oauth2_utils.h b/test/core/security/oauth2_utils.h
index b35fe7987fc1ef92e9a23a79c56eb4cd15cafdb1..eff98270c8a30894d615dfd05f4059d2bb6480f3 100644
--- a/test/core/security/oauth2_utils.h
+++ b/test/core/security/oauth2_utils.h
@@ -34,7 +34,7 @@
 #ifndef GRPC_TEST_CORE_SECURITY_OAUTH2_UTILS_H
 #define GRPC_TEST_CORE_SECURITY_OAUTH2_UTILS_H
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/test/core/security/print_google_default_creds_token.c b/test/core/security/print_google_default_creds_token.c
index 09673f362cfcc87bfba608688ae052c7517af734..99bce4fbdfbae8c3893be69b699c762cebe2ca80 100644
--- a/test/core/security/print_google_default_creds_token.c
+++ b/test/core/security/print_google_default_creds_token.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,8 +42,8 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/sync.h>
 
-#include "src/core/security/credentials.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/string.h"
 
 typedef struct {
   gpr_mu *mu;
diff --git a/test/core/security/secure_endpoint_test.c b/test/core/security/secure_endpoint_test.c
index 0e8c38a53ec3cf8795cf9029626ca969c12e55c5..aeaf38209bb3bc5066ac946e7b8f60776b71fdff 100644
--- a/test/core/security/secure_endpoint_test.c
+++ b/test/core/security/secure_endpoint_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,10 +39,10 @@
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/security/secure_endpoint.h"
-#include "src/core/tsi/fake_transport_security.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/security/secure_endpoint.h"
+#include "src/core/lib/tsi/fake_transport_security.h"
 #include "test/core/util/test_config.h"
 
 static gpr_mu *g_mu;
diff --git a/test/core/security/security_connector_test.c b/test/core/security/security_connector_test.c
index 420e3a4c525d6d6f38da66ad9866f70a91d013a7..1a4e64b30c71a46f1cb12f6f182735233cccd8ac 100644
--- a/test/core/security/security_connector_test.c
+++ b/test/core/security/security_connector_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,13 +40,13 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/security/security_connector.h"
-#include "src/core/security/security_context.h"
-#include "src/core/support/env.h"
-#include "src/core/support/tmpfile.h"
-#include "src/core/support/string.h"
-#include "src/core/tsi/ssl_transport_security.h"
-#include "src/core/tsi/transport_security.h"
+#include "src/core/lib/security/security_connector.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
+#include "src/core/lib/tsi/ssl_transport_security.h"
+#include "src/core/lib/tsi/transport_security.h"
 #include "test/core/util/test_config.h"
 
 static int check_transport_security_type(const grpc_auth_context *ctx) {
@@ -80,13 +80,14 @@ static int check_peer_property(const tsi_peer *peer,
 
 static int check_ssl_peer_equivalence(const tsi_peer *original,
                                       const tsi_peer *reconstructed) {
-  /* The reconstructed peer only has CN and SAN properties. */
+  /* The reconstructed peer only has CN, SAN and pem cert properties. */
   size_t i;
   for (i = 0; i < original->property_count; i++) {
     const tsi_peer_property *prop = &original->properties[i];
     if ((strcmp(prop->name, TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY) == 0) ||
         (strcmp(prop->name, TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY) ==
-         0)) {
+         0) ||
+        (strcmp(prop->name, TSI_X509_PEM_CERT_PROPERTY) == 0)) {
       if (!check_peer_property(reconstructed, prop)) return 0;
     }
   }
@@ -164,24 +165,50 @@ static int check_x509_cn(const grpc_auth_context *ctx,
   return 1;
 }
 
+static int check_x509_pem_cert(const grpc_auth_context *ctx,
+                               const char *expected_pem_cert) {
+  grpc_auth_property_iterator it = grpc_auth_context_find_properties_by_name(
+      ctx, GRPC_X509_PEM_CERT_PROPERTY_NAME);
+  const grpc_auth_property *prop = grpc_auth_property_iterator_next(&it);
+  if (prop == NULL) {
+    gpr_log(GPR_ERROR, "Pem certificate property not found.");
+    return 0;
+  }
+  if (strncmp(prop->value, expected_pem_cert, prop->value_length) != 0) {
+    gpr_log(GPR_ERROR, "Expected pem cert %s and got %s", expected_pem_cert,
+            prop->value);
+    return 0;
+  }
+  if (grpc_auth_property_iterator_next(&it) != NULL) {
+    gpr_log(GPR_ERROR, "Expected only one property for pem cert.");
+    return 0;
+  }
+  return 1;
+}
+
 static void test_cn_only_ssl_peer_to_auth_context(void) {
   tsi_peer peer;
   tsi_peer rpeer;
   grpc_auth_context *ctx;
   const char *expected_cn = "cn1";
-  GPR_ASSERT(tsi_construct_peer(2, &peer) == TSI_OK);
+  const char *expected_pem_cert = "pem_cert1";
+  GPR_ASSERT(tsi_construct_peer(3, &peer) == TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
                  &peer.properties[0]) == TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, expected_cn,
                  &peer.properties[1]) == TSI_OK);
+  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+                 TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+                 &peer.properties[2]) == TSI_OK);
   ctx = tsi_ssl_peer_to_auth_context(&peer);
   GPR_ASSERT(ctx != NULL);
   GPR_ASSERT(grpc_auth_context_peer_is_authenticated(ctx));
   GPR_ASSERT(check_identity(ctx, GRPC_X509_CN_PROPERTY_NAME, &expected_cn, 1));
   GPR_ASSERT(check_transport_security_type(ctx));
   GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+  GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
 
   rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
   GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
@@ -197,7 +224,8 @@ static void test_cn_and_one_san_ssl_peer_to_auth_context(void) {
   grpc_auth_context *ctx;
   const char *expected_cn = "cn1";
   const char *expected_san = "san1";
-  GPR_ASSERT(tsi_construct_peer(3, &peer) == TSI_OK);
+  const char *expected_pem_cert = "pem_cert1";
+  GPR_ASSERT(tsi_construct_peer(4, &peer) == TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
                  &peer.properties[0]) == TSI_OK);
@@ -207,6 +235,9 @@ static void test_cn_and_one_san_ssl_peer_to_auth_context(void) {
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, expected_san,
                  &peer.properties[2]) == TSI_OK);
+  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+                 TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+                 &peer.properties[3]) == TSI_OK);
   ctx = tsi_ssl_peer_to_auth_context(&peer);
   GPR_ASSERT(ctx != NULL);
   GPR_ASSERT(grpc_auth_context_peer_is_authenticated(ctx));
@@ -214,6 +245,7 @@ static void test_cn_and_one_san_ssl_peer_to_auth_context(void) {
       check_identity(ctx, GRPC_X509_SAN_PROPERTY_NAME, &expected_san, 1));
   GPR_ASSERT(check_transport_security_type(ctx));
   GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+  GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
 
   rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
   GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
@@ -229,8 +261,9 @@ static void test_cn_and_multiple_sans_ssl_peer_to_auth_context(void) {
   grpc_auth_context *ctx;
   const char *expected_cn = "cn1";
   const char *expected_sans[] = {"san1", "san2", "san3"};
+  const char *expected_pem_cert = "pem_cert1";
   size_t i;
-  GPR_ASSERT(tsi_construct_peer(2 + GPR_ARRAY_SIZE(expected_sans), &peer) ==
+  GPR_ASSERT(tsi_construct_peer(3 + GPR_ARRAY_SIZE(expected_sans), &peer) ==
              TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
@@ -238,10 +271,13 @@ static void test_cn_and_multiple_sans_ssl_peer_to_auth_context(void) {
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, expected_cn,
                  &peer.properties[1]) == TSI_OK);
+  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+                 TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+                 &peer.properties[2]) == TSI_OK);
   for (i = 0; i < GPR_ARRAY_SIZE(expected_sans); i++) {
     GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                    TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY,
-                   expected_sans[i], &peer.properties[2 + i]) == TSI_OK);
+                   expected_sans[i], &peer.properties[3 + i]) == TSI_OK);
   }
   ctx = tsi_ssl_peer_to_auth_context(&peer);
   GPR_ASSERT(ctx != NULL);
@@ -250,6 +286,7 @@ static void test_cn_and_multiple_sans_ssl_peer_to_auth_context(void) {
                             GPR_ARRAY_SIZE(expected_sans)));
   GPR_ASSERT(check_transport_security_type(ctx));
   GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+  GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
 
   rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
   GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
@@ -265,9 +302,10 @@ static void test_cn_and_multiple_sans_and_others_ssl_peer_to_auth_context(
   tsi_peer rpeer;
   grpc_auth_context *ctx;
   const char *expected_cn = "cn1";
+  const char *expected_pem_cert = "pem_cert1";
   const char *expected_sans[] = {"san1", "san2", "san3"};
   size_t i;
-  GPR_ASSERT(tsi_construct_peer(4 + GPR_ARRAY_SIZE(expected_sans), &peer) ==
+  GPR_ASSERT(tsi_construct_peer(5 + GPR_ARRAY_SIZE(expected_sans), &peer) ==
              TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
@@ -279,10 +317,13 @@ static void test_cn_and_multiple_sans_and_others_ssl_peer_to_auth_context(
                  &peer.properties[2]) == TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  "chapi", "chapo", &peer.properties[3]) == TSI_OK);
+  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+                 TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+                 &peer.properties[4]) == TSI_OK);
   for (i = 0; i < GPR_ARRAY_SIZE(expected_sans); i++) {
     GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                    TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY,
-                   expected_sans[i], &peer.properties[4 + i]) == TSI_OK);
+                   expected_sans[i], &peer.properties[5 + i]) == TSI_OK);
   }
   ctx = tsi_ssl_peer_to_auth_context(&peer);
   GPR_ASSERT(ctx != NULL);
@@ -291,6 +332,7 @@ static void test_cn_and_multiple_sans_and_others_ssl_peer_to_auth_context(
                             GPR_ARRAY_SIZE(expected_sans)));
   GPR_ASSERT(check_transport_security_type(ctx));
   GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+  GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
 
   rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
   GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
diff --git a/test/core/security/verify_jwt.c b/test/core/security/verify_jwt.c
index eb86589681d12644dffa7c3a09f2fcbfd948cb1b..2274fe18d82d39e7f96a5564765fa1ec21aba827 100644
--- a/test/core/security/verify_jwt.c
+++ b/test/core/security/verify_jwt.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,7 +42,7 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/sync.h>
 
-#include "src/core/security/jwt_verifier.h"
+#include "src/core/lib/security/jwt_verifier.h"
 
 typedef struct {
   grpc_pollset *pollset;
diff --git a/test/core/statistics/census_log_tests.c b/test/core/statistics/census_log_tests.c
index 77cc57d4d63b75ea050fd08873d136e7a11a4c69..8646a2fdf1d64aababdc350a8399c8075588c7b8 100644
--- a/test/core/statistics/census_log_tests.c
+++ b/test/core/statistics/census_log_tests.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,10 +31,7 @@
  *
  */
 
-#include "src/core/statistics/census_log.h"
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include "src/core/ext/census/census_log.h"
 #include <grpc/support/cpu.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
@@ -42,6 +39,9 @@
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include "test/core/util/test_config.h"
 
 /* Fills in 'record' of size 'size'. Each byte in record is filled in with the
diff --git a/test/core/statistics/census_stub_test.c b/test/core/statistics/census_stub_test.c
index 8e409a37263caf32b5d5a938459e7691b72110fe..f9dddb65994548739299ccb5a9220a177610b49c 100644
--- a/test/core/statistics/census_stub_test.c
+++ b/test/core/statistics/census_stub_test.c
@@ -34,10 +34,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_rpc_stats.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include "src/core/ext/census/census_interface.h"
+#include "src/core/ext/census/census_rpc_stats.h"
 #include "test/core/util/test_config.h"
 
 /* Tests census noop stubs in a simulated rpc flow */
diff --git a/test/core/statistics/hash_table_test.c b/test/core/statistics/hash_table_test.c
index 3b119dbc0c8232b4029f2048a854fa5ab40ca9a0..f63c1a366ad15426686075763c8fa141481a84c9 100644
--- a/test/core/statistics/hash_table_test.c
+++ b/test/core/statistics/hash_table_test.c
@@ -35,13 +35,13 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "src/core/statistics/hash_table.h"
+#include "src/core/ext/census/hash_table.h"
 
-#include "src/core/support/murmur_hash.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/support/murmur_hash.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 static uint64_t hash64(const void *k) {
@@ -65,8 +65,8 @@ static void free_data(void *data) { gpr_free(data); }
 static void test_create_table(void) {
   /* Create table with uint64 key type */
   census_ht *ht = NULL;
-  census_ht_option ht_options = {CENSUS_HT_UINT64, 1999, NULL, NULL, NULL,
-                                 NULL};
+  census_ht_option ht_options = {
+      CENSUS_HT_UINT64, 1999, NULL, NULL, NULL, NULL};
   ht = census_ht_create(&ht_options);
   GPR_ASSERT(ht != NULL);
   GPR_ASSERT(census_ht_get_size(ht) == 0);
@@ -120,8 +120,8 @@ static void test_table_with_int_key(void) {
 
 /* Test that there is no memory leak when keys and values are owned by table. */
 static void test_value_and_key_deleter(void) {
-  census_ht_option opt = {CENSUS_HT_POINTER, 7, &hash64, &cmp_str_keys,
-                          &free_data, &free_data};
+  census_ht_option opt = {CENSUS_HT_POINTER, 7,          &hash64,
+                          &cmp_str_keys,     &free_data, &free_data};
   census_ht *ht = census_ht_create(&opt);
   census_ht_key key;
   char *val = NULL;
@@ -185,8 +185,8 @@ static void test_simple_add_and_erase(void) {
 }
 
 static void test_insertion_and_deletion_with_high_collision_rate(void) {
-  census_ht_option opt = {CENSUS_HT_POINTER, 13, &force_collision,
-                          &cmp_str_keys, NULL, NULL};
+  census_ht_option opt = {CENSUS_HT_POINTER, 13,   &force_collision,
+                          &cmp_str_keys,     NULL, NULL};
   census_ht *ht = census_ht_create(&opt);
   char key_str[1000][GPR_LTOA_MIN_BUFSIZE];
   uint64_t val = 0;
@@ -209,12 +209,12 @@ static void test_insertion_and_deletion_with_high_collision_rate(void) {
 }
 
 static void test_table_with_string_key(void) {
-  census_ht_option opt = {CENSUS_HT_POINTER, 7, &hash64, &cmp_str_keys, NULL,
-                          NULL};
+  census_ht_option opt = {CENSUS_HT_POINTER, 7,    &hash64,
+                          &cmp_str_keys,     NULL, NULL};
   census_ht *ht = census_ht_create(&opt);
-  const char *keys[] = {"k1", "a", "000", "apple",
-                        "banana_a_long_long_long_banana", "%$", "111", "foo",
-                        "b"};
+  const char *keys[] = {
+      "k1", "a",   "000", "apple", "banana_a_long_long_long_banana",
+      "%$", "111", "foo", "b"};
   const int vals[] = {0, 1, 2, 3, 4, 5, 6, 7, 8};
   int i = 0;
   GPR_ASSERT(ht != NULL);
diff --git a/test/core/statistics/rpc_stats_test.c b/test/core/statistics/rpc_stats_test.c
index b1d8814cfa678e2978517905eeefe2c9ae41d949..14def4bfe12323b643aee492beb167a57c6f0ffd 100644
--- a/test/core/statistics/rpc_stats_test.c
+++ b/test/core/statistics/rpc_stats_test.c
@@ -33,15 +33,15 @@
 
 #include <string.h>
 
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_rpc_stats.h"
-#include "src/core/statistics/census_tracing.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/string.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+#include "src/core/ext/census/census_interface.h"
+#include "src/core/ext/census/census_rpc_stats.h"
+#include "src/core/ext/census/census_tracing.h"
 #include "test/core/util/test_config.h"
 
 /* Ensure all possible state transitions are called without causing problem */
diff --git a/test/core/statistics/trace_test.c b/test/core/statistics/trace_test.c
index 75904040ff7fc7379bdf9efa7dd16f0b2eb3e734..790507f2c696470d5db6770433c6e3a0f965da80 100644
--- a/test/core/statistics/trace_test.c
+++ b/test/core/statistics/trace_test.c
@@ -31,12 +31,9 @@
  *
  */
 
-#include <string.h>
 #include <stdio.h>
+#include <string.h>
 
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_tracing.h"
-#include "src/core/statistics/census_tracing.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
@@ -44,6 +41,9 @@
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/census/census_interface.h"
+#include "src/core/ext/census/census_tracing.h"
+#include "src/core/ext/census/census_tracing.h"
 #include "test/core/util/test_config.h"
 
 /* Ensure all possible state transitions are called without causing problem */
diff --git a/test/core/statistics/window_stats_test.c b/test/core/statistics/window_stats_test.c
index 578138fdd293aeef08702e150109100e16eb5237..5d71ba613d9641d69a4751ba4ee9533a3a545e5f 100644
--- a/test/core/statistics/window_stats_test.c
+++ b/test/core/statistics/window_stats_test.c
@@ -31,10 +31,10 @@
  *
  */
 
-#include "src/core/statistics/window_stats.h"
-#include <stdlib.h>
+#include "src/core/ext/census/window_stats.h"
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
+#include <stdlib.h>
 #include "test/core/util/test_config.h"
 
 typedef struct test_stat {
diff --git a/test/core/support/alloc_test.c b/test/core/support/alloc_test.c
index 6bdba8c3907131d90623f223ee9cc851f3b74dd6..451c5800543bf9299aae8cff971be0f9a5e140d5 100644
--- a/test/core/support/alloc_test.c
+++ b/test/core/support/alloc_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#include <grpc/support/log.h>
 #include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
 static void *fake_malloc(size_t size) { return (void *)size; }
@@ -46,7 +46,7 @@ static void fake_free(void *addr) {
 static void test_custom_allocs() {
   const gpr_allocation_functions default_fns = gpr_get_allocation_functions();
   intptr_t addr_to_free = 0;
-  int *i;
+  char *i;
   gpr_allocation_functions fns = {fake_malloc, fake_realloc, fake_free};
 
   gpr_set_allocation_functions(fns);
@@ -58,7 +58,7 @@ static void test_custom_allocs() {
 
   /* Restore and check we don't get funky values and that we don't leak */
   gpr_set_allocation_functions(default_fns);
-  GPR_ASSERT((void *)1 != (i = gpr_malloc(sizeof(*i))));
+  GPR_ASSERT((void *)sizeof(*i) != (i = gpr_malloc(sizeof(*i))));
   GPR_ASSERT((void *)2 != (i = gpr_realloc(i, 2)));
   gpr_free(i);
 }
diff --git a/test/core/support/avl_test.c b/test/core/support/avl_test.c
index d8d8b36806bc55f7765755c18a6d6029f8ef4a99..83cc263c694aa842187a7e29acec121d1cd1f987 100644
--- a/test/core/support/avl_test.c
+++ b/test/core/support/avl_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/support/backoff_test.c b/test/core/support/backoff_test.c
index 870b60b2d5aefae09398dcb22c820d21b76da711..13cba7d750ea9c205cfb63c4f22cb92e733d838c 100644
--- a/test/core/support/backoff_test.c
+++ b/test/core/support/backoff_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/backoff.h"
+#include "src/core/lib/support/backoff.h"
 
 #include <grpc/support/log.h>
 
diff --git a/test/core/support/cpu_test.c b/test/core/support/cpu_test.c
index da16f13fd85799de452a498b6b707d5a34badeab..a5c52442ad4c67e2d2ca015abee44f3b1112b257 100644
--- a/test/core/support/cpu_test.c
+++ b/test/core/support/cpu_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/support/env_test.c b/test/core/support/env_test.c
index 69aebcc918cbf19bf0bd0939226406ad3090c545..bd6a8bdf9d0056d98a5f0d874295e96e78c226fd 100644
--- a/test/core/support/env_test.c
+++ b/test/core/support/env_test.c
@@ -37,8 +37,8 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/support/env.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST_NAME(x) gpr_log(GPR_INFO, "%s", x)
diff --git a/test/core/support/load_file_test.c b/test/core/support/load_file_test.c
index 70189b739da4e2e39287e5074c365a056a310b54..0125fd94fd31fdf214fff902689572c45e409164 100644
--- a/test/core/support/load_file_test.c
+++ b/test/core/support/load_file_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,9 +38,9 @@
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
 
-#include "src/core/support/load_file.h"
-#include "src/core/support/tmpfile.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/load_file.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST_NAME(x) gpr_log(GPR_INFO, "%s", x)
diff --git a/test/core/support/log_test.c b/test/core/support/log_test.c
index b39b0699134199ba6d68c61426ca8244c5d910be..0ae298aa4c0f89970373123dba7c2d00ceb6d157 100644
--- a/test/core/support/log_test.c
+++ b/test/core/support/log_test.c
@@ -33,16 +33,40 @@
 
 #include <grpc/support/log.h>
 
+#include <stdbool.h>
 #include <string.h>
 
+#include "src/core/lib/support/env.h"
 #include "test/core/util/test_config.h"
 
+static bool log_func_reached = false;
+
 static void test_callback(gpr_log_func_args *args) {
   GPR_ASSERT(0 == strcmp(__FILE__, args->file));
   GPR_ASSERT(args->severity == GPR_LOG_SEVERITY_INFO);
   GPR_ASSERT(0 == strcmp(args->message, "hello 1 2 3"));
 }
 
+static void test_should_log(gpr_log_func_args *args) {
+  log_func_reached = true;
+}
+
+static void test_should_not_log(gpr_log_func_args *args) { GPR_ASSERT(false); }
+
+#define test_log_function_reached(SEVERITY)     \
+  gpr_set_log_function(test_should_log);        \
+  log_func_reached = false;                     \
+  gpr_log_message(SEVERITY, "hello 1 2 3");     \
+  GPR_ASSERT(log_func_reached);                 \
+  log_func_reached = false;                     \
+  gpr_log(SEVERITY, "hello %d %d %d", 1, 2, 3); \
+  GPR_ASSERT(log_func_reached);
+
+#define test_log_function_unreached(SEVERITY) \
+  gpr_set_log_function(test_should_not_log);  \
+  gpr_log_message(SEVERITY, "hello 1 2 3");   \
+  gpr_log(SEVERITY, "hello %d %d %d", 1, 2, 3);
+
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   /* test logging at various verbosity levels */
@@ -54,6 +78,44 @@ int main(int argc, char **argv) {
   gpr_set_log_function(test_callback);
   gpr_log_message(GPR_INFO, "hello 1 2 3");
   gpr_log(GPR_INFO, "hello %d %d %d", 1, 2, 3);
+
+  /* gpr_log_verbosity_init() will be effective only once, and only before
+   * gpr_set_log_verbosity() is called */
+  gpr_setenv("GRPC_VERBOSITY", "ERROR");
+  gpr_log_verbosity_init();
+  test_log_function_reached(GPR_ERROR);
+  test_log_function_unreached(GPR_INFO);
+  test_log_function_unreached(GPR_DEBUG);
+
+  /* gpr_log_verbosity_init() should not be effective */
+  gpr_setenv("GRPC_VERBOSITY", "DEBUG");
+  gpr_log_verbosity_init();
+  test_log_function_reached(GPR_ERROR);
+  test_log_function_unreached(GPR_INFO);
+  test_log_function_unreached(GPR_DEBUG);
+
+  gpr_set_log_verbosity(GPR_LOG_SEVERITY_DEBUG);
+  test_log_function_reached(GPR_ERROR);
+  test_log_function_reached(GPR_INFO);
+  test_log_function_reached(GPR_DEBUG);
+
+  gpr_set_log_verbosity(GPR_LOG_SEVERITY_INFO);
+  test_log_function_reached(GPR_ERROR);
+  test_log_function_reached(GPR_INFO);
+  test_log_function_unreached(GPR_DEBUG);
+
+  gpr_set_log_verbosity(GPR_LOG_SEVERITY_ERROR);
+  test_log_function_reached(GPR_ERROR);
+  test_log_function_unreached(GPR_INFO);
+  test_log_function_unreached(GPR_DEBUG);
+
+  /* gpr_log_verbosity_init() should not be effective */
+  gpr_setenv("GRPC_VERBOSITY", "DEBUG");
+  gpr_log_verbosity_init();
+  test_log_function_reached(GPR_ERROR);
+  test_log_function_unreached(GPR_INFO);
+  test_log_function_unreached(GPR_DEBUG);
+
   /* TODO(ctiller): should we add a GPR_ASSERT failure test here */
   return 0;
 }
diff --git a/test/core/support/murmur_hash_test.c b/test/core/support/murmur_hash_test.c
index 562b9567e719f05161d8247ea63202106c35aa93..ef327194087d9f665e9cd1acab962c2569452fa8 100644
--- a/test/core/support/murmur_hash_test.c
+++ b/test/core/support/murmur_hash_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/murmur_hash.h"
+#include "src/core/lib/support/murmur_hash.h"
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include "test/core/util/test_config.h"
diff --git a/test/core/support/stack_lockfree_test.c b/test/core/support/stack_lockfree_test.c
index 0f49e6fa52ae54a50276f881ee4a868932ae4248..745157f7011082c774bf84771243a57e84020650 100644
--- a/test/core/support/stack_lockfree_test.c
+++ b/test/core/support/stack_lockfree_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/stack_lockfree.h"
+#include "src/core/lib/support/stack_lockfree.h"
 
 #include <stdlib.h>
 
diff --git a/test/core/support/string_test.c b/test/core/support/string_test.c
index c1d0f122509958a667bdd5ec7eb6ea6d1d4cf83f..d5f8107f211372297d76e34c396de44b7aca77e9 100644
--- a/test/core/support/string_test.c
+++ b/test/core/support/string_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 #include <limits.h>
 #include <stddef.h>
diff --git a/test/core/support/sync_test.c b/test/core/support/sync_test.c
index d311eb136a6a27b3bf78866e30dd5c3adfcff324..0fcf08b9d31c8d34648298392952b481cce7edc7 100644
--- a/test/core/support/sync_test.c
+++ b/test/core/support/sync_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,13 +33,13 @@
 
 /* Test of gpr synchronization support. */
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include "test/core/util/test_config.h"
 
 /* ==================Example use of interface===================
diff --git a/test/core/support/thd_test.c b/test/core/support/thd_test.c
index 0c176da2d3c8592481a5855209999ac5c0dac03d..c00fd5af64b9e1ed69c911c2bb41f502e11db7ff 100644
--- a/test/core/support/thd_test.c
+++ b/test/core/support/thd_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,12 +33,12 @@
 
 /* Test of gpr thread support. */
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include "test/core/util/test_config.h"
 
 #define NUM_THREADS 300
diff --git a/test/core/support/time_test.c b/test/core/support/time_test.c
index 6cc3786df12be55abceb93f41eaf8681365ef6a9..e9ca08d0419d5161d71c6726a65f9cf971d306d5 100644
--- a/test/core/support/time_test.c
+++ b/test/core/support/time_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,14 +33,14 @@
 
 /* Test of gpr time support. */
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include "test/core/util/test_config.h"
 
 static void to_fp(void *arg, const char *buf, size_t len) {
diff --git a/test/core/support/tls_test.c b/test/core/support/tls_test.c
index c6fb1a4a2606296ea66bd85299151ea36ee54d4a..7b732ee10eaadf7a209c9d030f129d772f942727 100644
--- a/test/core/support/tls_test.c
+++ b/test/core/support/tls_test.c
@@ -33,12 +33,12 @@
 
 /* Test of gpr thread local storage support. */
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/tls.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include "test/core/util/test_config.h"
 
 #define NUM_THREADS 100
diff --git a/test/core/support/useful_test.c b/test/core/support/useful_test.c
index 3665bbf972b0a912a9984e32cc36772cedbe6027..7d190228bda828d95ac900e1eb82e51c03e073ae 100644
--- a/test/core/support/useful_test.c
+++ b/test/core/support/useful_test.c
@@ -31,9 +31,9 @@
  *
  */
 
-#include <grpc/support/useful.h>
-#include <grpc/support/port_platform.h>
 #include <grpc/support/log.h>
+#include <grpc/support/port_platform.h>
+#include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
 int main(int argc, char **argv) {
diff --git a/test/core/surface/byte_buffer_reader_test.c b/test/core/surface/byte_buffer_reader_test.c
index c87fbdc897b8fa0a21bd32bbca4fec71453c2c11..9c6734e1799118a1b33287b76336d5bee165225f 100644
--- a/test/core/surface/byte_buffer_reader_test.c
+++ b/test/core/surface/byte_buffer_reader_test.c
@@ -31,10 +31,10 @@
  *
  */
 
-#include <grpc/byte_buffer_reader.h>
 #include <grpc/byte_buffer.h>
-#include <grpc/support/slice.h>
+#include <grpc/byte_buffer_reader.h>
 #include <grpc/grpc.h>
+#include <grpc/support/slice.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -42,7 +42,7 @@
 #include <grpc/support/time.h>
 #include "test/core/util/test_config.h"
 
-#include "src/core/compression/message_compress.h"
+#include "src/core/lib/compression/message_compress.h"
 
 #include <string.h>
 
diff --git a/test/core/surface/channel_create_test.c b/test/core/surface/channel_create_test.c
index 044e766473fbfc8a20ddc3eaddb449dc365da2a5..450cc37233924b841d138f4061e1c8f78a36861c 100644
--- a/test/core/surface/channel_create_test.c
+++ b/test/core/surface/channel_create_test.c
@@ -33,7 +33,7 @@
 
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
-#include "src/core/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
 void test_unknown_scheme_target(void) {
@@ -43,7 +43,8 @@ void test_unknown_scheme_target(void) {
   grpc_resolver_registry_init("");
 
   chan = grpc_insecure_channel_create("blah://blah", NULL, NULL);
-  GPR_ASSERT(chan == NULL);
+  GPR_ASSERT(chan != NULL);
+  grpc_channel_destroy(chan);
 }
 
 int main(int argc, char **argv) {
diff --git a/test/core/surface/completion_queue_test.c b/test/core/surface/completion_queue_test.c
index ec49840ba8b57d354b11904285e5b111119236ef..d62d5a93b178a7b85161be8f2da36168fb71f613 100644
--- a/test/core/surface/completion_queue_test.c
+++ b/test/core/surface/completion_queue_test.c
@@ -31,14 +31,14 @@
  *
  */
 
-#include "src/core/surface/completion_queue.h"
+#include "src/core/lib/surface/completion_queue.h"
 
-#include "src/core/iomgr/iomgr.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
diff --git a/test/core/surface/concurrent_connectivity_test.c b/test/core/surface/concurrent_connectivity_test.c
index 4d3b7bf22a3b2aef50408f8a16e1a77f1257d653..28ddf58cc84535de8e718bf1d358293ca3753982 100644
--- a/test/core/surface/concurrent_connectivity_test.c
+++ b/test/core/surface/concurrent_connectivity_test.c
@@ -31,53 +31,194 @@
 *
 */
 
+#include <memory.h>
 #include <stdio.h>
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 #include <grpc/support/thd.h>
+
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/tcp_server.h"
+
+#include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
 #define NUM_THREADS 100
-static grpc_channel* channels[NUM_THREADS];
-static grpc_completion_queue* queues[NUM_THREADS];
+#define NUM_OUTER_LOOPS 10
+#define NUM_INNER_LOOPS 10
+#define DELAY_MILLIS 10
+#define POLL_MILLIS 3000
 
-void create_loop_destroy(void* actually_an_int) {
-  int thread_index = (int)(intptr_t)(actually_an_int);
-  for (int i = 0; i < 10; ++i) {
-    grpc_completion_queue* cq = grpc_completion_queue_create(NULL);
-    grpc_channel* chan = grpc_insecure_channel_create("localhost", NULL, NULL);
+static void *tag(int n) { return (void *)(uintptr_t)n; }
+static int detag(void *p) { return (int)(uintptr_t)p; }
 
-    channels[thread_index] = chan;
-    queues[thread_index] = cq;
+void create_loop_destroy(void *addr) {
+  for (int i = 0; i < NUM_OUTER_LOOPS; ++i) {
+    grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
+    grpc_channel *chan = grpc_insecure_channel_create((char *)addr, NULL, NULL);
 
-    for (int j = 0; j < 10; ++j) {
-      gpr_timespec later_time = GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10);
+    for (int j = 0; j < NUM_INNER_LOOPS; ++j) {
+      gpr_timespec later_time = GRPC_TIMEOUT_MILLIS_TO_DEADLINE(DELAY_MILLIS);
       grpc_connectivity_state state =
           grpc_channel_check_connectivity_state(chan, 1);
       grpc_channel_watch_connectivity_state(chan, state, later_time, cq, NULL);
-      GPR_ASSERT(grpc_completion_queue_next(cq,
-                                            GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3),
-                                            NULL).type == GRPC_OP_COMPLETE);
+      gpr_timespec poll_time = GRPC_TIMEOUT_MILLIS_TO_DEADLINE(POLL_MILLIS);
+      GPR_ASSERT(grpc_completion_queue_next(cq, poll_time, NULL).type ==
+                 GRPC_OP_COMPLETE);
     }
-    grpc_channel_destroy(channels[thread_index]);
-    grpc_completion_queue_destroy(queues[thread_index]);
+    grpc_channel_destroy(chan);
+    grpc_completion_queue_destroy(cq);
+  }
+}
+
+struct server_thread_args {
+  char *addr;
+  grpc_server *server;
+  grpc_completion_queue *cq;
+  grpc_pollset *pollset;
+  gpr_mu *mu;
+  gpr_event ready;
+  gpr_atm stop;
+};
+
+void server_thread(void *vargs) {
+  struct server_thread_args *args = (struct server_thread_args *)vargs;
+  grpc_event ev;
+  gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
+  ev = grpc_completion_queue_next(args->cq, deadline, NULL);
+  GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(detag(ev.tag) == 0xd1e);
+}
+
+static void on_connect(grpc_exec_ctx *exec_ctx, void *vargs, grpc_endpoint *tcp,
+                       grpc_tcp_server_acceptor *acceptor) {
+  struct server_thread_args *args = (struct server_thread_args *)vargs;
+  (void)acceptor;
+  grpc_endpoint_shutdown(exec_ctx, tcp);
+  grpc_endpoint_destroy(exec_ctx, tcp);
+  grpc_pollset_kick(args->pollset, NULL);
+}
+
+void bad_server_thread(void *vargs) {
+  struct server_thread_args *args = (struct server_thread_args *)vargs;
+
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  struct sockaddr_storage addr;
+  socklen_t addr_len = sizeof(addr);
+  int port;
+  grpc_tcp_server *s = grpc_tcp_server_create(NULL);
+  memset(&addr, 0, sizeof(addr));
+  addr.ss_family = AF_INET;
+  port = grpc_tcp_server_add_port(s, (struct sockaddr *)&addr, addr_len);
+  GPR_ASSERT(port > 0);
+  gpr_asprintf(&args->addr, "localhost:%d", port);
+
+  grpc_tcp_server_start(&exec_ctx, s, &args->pollset, 1, on_connect, args);
+  gpr_event_set(&args->ready, (void *)1);
+
+  gpr_mu_lock(args->mu);
+  while (gpr_atm_acq_load(&args->stop) == 0) {
+    gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC);
+    gpr_timespec deadline =
+        gpr_time_add(now, gpr_time_from_millis(100, GPR_TIMESPAN));
+
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, args->pollset, &worker, now, deadline);
+    gpr_mu_unlock(args->mu);
+    grpc_exec_ctx_finish(&exec_ctx);
+    gpr_mu_lock(args->mu);
   }
+  gpr_mu_unlock(args->mu);
+
+  grpc_tcp_server_unref(&exec_ctx, s);
+
+  grpc_exec_ctx_finish(&exec_ctx);
+
+  gpr_free(args->addr);
+}
+
+static void done_pollset_shutdown(grpc_exec_ctx *exec_ctx, void *pollset,
+                                  bool success) {
+  grpc_pollset_destroy(pollset);
+  gpr_free(pollset);
 }
 
-int main(int argc, char** argv) {
+int main(int argc, char **argv) {
+  struct server_thread_args args;
+  memset(&args, 0, sizeof(args));
+
   grpc_test_init(argc, argv);
   grpc_init();
+
   gpr_thd_id threads[NUM_THREADS];
-  for (intptr_t i = 0; i < NUM_THREADS; ++i) {
-    gpr_thd_options options = gpr_thd_options_default();
-    gpr_thd_options_set_joinable(&options);
-    gpr_thd_new(&threads[i], create_loop_destroy, (void*)i, &options);
+  gpr_thd_id server;
+
+  char *localhost = gpr_strdup("localhost:54321");
+  gpr_thd_options options = gpr_thd_options_default();
+  gpr_thd_options_set_joinable(&options);
+
+  /* First round, no server */
+  gpr_log(GPR_DEBUG, "Wave 1");
+  for (size_t i = 0; i < NUM_THREADS; ++i) {
+    gpr_thd_new(&threads[i], create_loop_destroy, localhost, &options);
+  }
+  for (size_t i = 0; i < NUM_THREADS; ++i) {
+    gpr_thd_join(threads[i]);
+  }
+  gpr_free(localhost);
+
+  /* Second round, actual grpc server */
+  gpr_log(GPR_DEBUG, "Wave 2");
+  int port = grpc_pick_unused_port_or_die();
+  gpr_asprintf(&args.addr, "localhost:%d", port);
+  args.server = grpc_server_create(NULL, NULL);
+  grpc_server_add_insecure_http2_port(args.server, args.addr);
+  args.cq = grpc_completion_queue_create(NULL);
+  grpc_server_register_completion_queue(args.server, args.cq, NULL);
+  grpc_server_start(args.server);
+  gpr_thd_new(&server, server_thread, &args, &options);
+
+  for (size_t i = 0; i < NUM_THREADS; ++i) {
+    gpr_thd_new(&threads[i], create_loop_destroy, args.addr, &options);
   }
-  for (int i = 0; i < NUM_THREADS; ++i) {
+  for (size_t i = 0; i < NUM_THREADS; ++i) {
     gpr_thd_join(threads[i]);
   }
+  grpc_server_shutdown_and_notify(args.server, args.cq, tag(0xd1e));
+
+  gpr_thd_join(server);
+  grpc_server_destroy(args.server);
+  grpc_completion_queue_destroy(args.cq);
+  gpr_free(args.addr);
+
+  /* Third round, bogus tcp server */
+  gpr_log(GPR_DEBUG, "Wave 3");
+  args.pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(args.pollset, &args.mu);
+  gpr_event_init(&args.ready);
+  gpr_thd_new(&server, bad_server_thread, &args, &options);
+  gpr_event_wait(&args.ready, gpr_inf_future(GPR_CLOCK_MONOTONIC));
+
+  for (size_t i = 0; i < NUM_THREADS; ++i) {
+    gpr_thd_new(&threads[i], create_loop_destroy, args.addr, &options);
+  }
+  for (size_t i = 0; i < NUM_THREADS; ++i) {
+    gpr_thd_join(threads[i]);
+  }
+
+  gpr_atm_rel_store(&args.stop, 1);
+  gpr_thd_join(server);
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_pollset_shutdown(
+      &exec_ctx, args.pollset,
+      grpc_closure_create(done_pollset_shutdown, args.pollset));
+  grpc_exec_ctx_finish(&exec_ctx);
+
   grpc_shutdown();
   return 0;
 }
diff --git a/test/core/surface/lame_client_test.c b/test/core/surface/lame_client_test.c
index 79e53cb4222aa46da17d8227cf510eb81b914b93..12fa9de6cf3e7ce9df72df3328668a6bc8e63271 100644
--- a/test/core/surface/lame_client_test.c
+++ b/test/core/surface/lame_client_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,10 +36,10 @@
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include "src/core/channel/channel_stack.h"
-#include "src/core/iomgr/closure.h"
-#include "src/core/surface/channel.h"
-#include "src/core/transport/transport.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/iomgr/closure.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/transport/transport.h"
 #include "test/core/end2end/cq_verifier.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/surface/public_headers_must_be_c89.c b/test/core/surface/public_headers_must_be_c89.c
index 579faa44411f94584da216148031f3b440ebad98..0eede6c23bdbbf6aa4bb0633c9606fb299c2fa4d 100644
--- a/test/core/surface/public_headers_must_be_c89.c
+++ b/test/core/surface/public_headers_must_be_c89.c
@@ -37,6 +37,7 @@
 #include <grpc/compression.h>
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
+#include <grpc/grpc_security_constants.h>
 #include <grpc/impl/codegen/alloc.h>
 #include <grpc/impl/codegen/atm.h>
 #include <grpc/impl/codegen/byte_buffer.h>
diff --git a/test/core/surface/secure_channel_create_test.c b/test/core/surface/secure_channel_create_test.c
index f3e5fefaf01db88c5af13263fad3f0a640f74ba6..80419efce4bf46abe0d620c8cd35d95dcb7769ea 100644
--- a/test/core/surface/secure_channel_create_test.c
+++ b/test/core/surface/secure_channel_create_test.c
@@ -36,10 +36,10 @@
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/log.h>
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/security/credentials.h"
-#include "src/core/security/security_connector.h"
-#include "src/core/surface/channel.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/security_connector.h"
+#include "src/core/lib/surface/channel.h"
 #include "test/core/util/test_config.h"
 
 void test_unknown_scheme_target(void) {
diff --git a/test/core/surface/server_chttp2_test.c b/test/core/surface/server_chttp2_test.c
index 84b345bb504cfb99ff647c6cc8b0be102cf4a59b..d22c16497213ff6746f36ebca7f253a5a867f8b7 100644
--- a/test/core/surface/server_chttp2_test.c
+++ b/test/core/surface/server_chttp2_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,8 +37,8 @@
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include "src/core/security/credentials.h"
-#include "src/core/tsi/fake_transport_security.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/tsi/fake_transport_security.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/surface/server_test.c b/test/core/surface/server_test.c
index 1d5211d2259eff26a72fc21f221223cb37abaef0..3d2e25379a04235c434f4213dc8e31af661f3584 100644
--- a/test/core/surface/server_test.c
+++ b/test/core/surface/server_test.c
@@ -42,11 +42,25 @@ void test_register_method_fail(void) {
   grpc_server *server = grpc_server_create(NULL, NULL);
   void *method;
   void *method_old;
-  method = grpc_server_register_method(server, NULL, NULL);
+  method =
+      grpc_server_register_method(server, NULL, NULL, GRPC_SRM_PAYLOAD_NONE, 0);
   GPR_ASSERT(method == NULL);
-  method_old = grpc_server_register_method(server, "m", "h");
+  method_old =
+      grpc_server_register_method(server, "m", "h", GRPC_SRM_PAYLOAD_NONE, 0);
   GPR_ASSERT(method_old != NULL);
-  method = grpc_server_register_method(server, "m", "h");
+  method = grpc_server_register_method(
+      server, "m", "h", GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER, 0);
+  GPR_ASSERT(method == NULL);
+  method_old =
+      grpc_server_register_method(server, "m2", "h2", GRPC_SRM_PAYLOAD_NONE,
+                                  GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST);
+  GPR_ASSERT(method_old != NULL);
+  method =
+      grpc_server_register_method(server, "m2", "h2", GRPC_SRM_PAYLOAD_NONE, 0);
+  GPR_ASSERT(method == NULL);
+  method = grpc_server_register_method(
+      server, "m2", "h2", GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER,
+      GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST);
   GPR_ASSERT(method == NULL);
   grpc_server_destroy(server);
 }
diff --git a/test/core/transport/chttp2/alpn_test.c b/test/core/transport/chttp2/alpn_test.c
index 9a7d5ef0c3727c84bd9c1f9da0a02fb9cb44f53a..48064ec9b34b87c3d922261f5451eda71cd913ce 100644
--- a/test/core/transport/chttp2/alpn_test.c
+++ b/test/core/transport/chttp2/alpn_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/alpn.h"
+#include "src/core/ext/transport/chttp2/alpn/alpn.h"
 
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
diff --git a/test/core/transport/chttp2/bin_encoder_test.c b/test/core/transport/chttp2/bin_encoder_test.c
index d1838075be01fe9f2dcdf4ef957a815b3817d8dd..095861e9741530229c6a137c19405f85498bb227 100644
--- a/test/core/transport/chttp2/bin_encoder_test.c
+++ b/test/core/transport/chttp2/bin_encoder_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
 
 #include <string.h>
 
@@ -39,9 +39,9 @@
  * TODO(murgatroid99): Remove this
  */
 #include <grpc/grpc.h>
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include "src/core/lib/support/string.h"
 
 static int all_ok = 1;
 
@@ -83,7 +83,7 @@ static void expect_combined_equiv(const char *s, size_t len, int line) {
   gpr_slice input = gpr_slice_from_copied_buffer(s, len);
   gpr_slice base64 = grpc_chttp2_base64_encode(input);
   gpr_slice expect = grpc_chttp2_huffman_compress(base64);
-  gpr_slice got = grpc_chttp2_base64_encode_and_huffman_compress(input);
+  gpr_slice got = grpc_chttp2_base64_encode_and_huffman_compress_impl(input);
   if (0 != gpr_slice_cmp(expect, got)) {
     char *t = gpr_dump_slice(input, GPR_DUMP_HEX | GPR_DUMP_ASCII);
     char *e = gpr_dump_slice(expect, GPR_DUMP_HEX | GPR_DUMP_ASCII);
diff --git a/test/core/transport/chttp2/hpack_encoder_test.c b/test/core/transport/chttp2/hpack_encoder_test.c
index 4a9d143640a98d1f67e41351203a70b8ab41a6d0..186bb6406fde7205804e3ea78b6ef4f022e5ad62 100644
--- a/test/core/transport/chttp2/hpack_encoder_test.c
+++ b/test/core/transport/chttp2/hpack_encoder_test.c
@@ -31,16 +31,18 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_encoder.h"
 
 #include <stdio.h>
+#include <string.h>
 
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/hpack_parser.h"
-#include "src/core/transport/metadata.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
+
+#include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/metadata.h"
 #include "test/core/util/parse_hexstring.h"
 #include "test/core/util/slice_splitter.h"
 #include "test/core/util/test_config.h"
@@ -93,7 +95,10 @@ static void verify(size_t window_available, int eof, size_t expect_window_used,
 
   gpr_slice_buffer_init(&output);
 
-  grpc_chttp2_encode_header(&g_compressor, 0xdeadbeef, &b, eof, &output);
+  grpc_transport_one_way_stats stats;
+  memset(&stats, 0, sizeof(stats));
+  grpc_chttp2_encode_header(&g_compressor, 0xdeadbeef, &b, eof, &stats,
+                            &output);
   merged = grpc_slice_merge(output.slices, output.count);
   gpr_slice_buffer_destroy(&output);
   grpc_metadata_batch_destroy(&b);
@@ -179,6 +184,37 @@ static void test_decode_table_overflow(void) {
   verify(0, 0, 0, "000007 0104 deadbeef 40 026161 026261", 1, "aa", "ba");
 }
 
+static void verify_table_size_change_match_elem_size(const char *key,
+                                                     const char *value) {
+  gpr_slice_buffer output;
+  grpc_mdelem *elem = grpc_mdelem_from_strings(key, value);
+  size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
+  size_t initial_table_size = g_compressor.table_size;
+  grpc_linked_mdelem *e = gpr_malloc(sizeof(*e));
+  grpc_metadata_batch b;
+  grpc_metadata_batch_init(&b);
+  e[0].md = elem;
+  e[0].prev = NULL;
+  e[0].next = NULL;
+  b.list.head = &e[0];
+  b.list.tail = &e[0];
+  gpr_slice_buffer_init(&output);
+
+  grpc_transport_one_way_stats stats;
+  memset(&stats, 0, sizeof(stats));
+  grpc_chttp2_encode_header(&g_compressor, 0xdeadbeef, &b, 0, &stats, &output);
+  gpr_slice_buffer_destroy(&output);
+  grpc_metadata_batch_destroy(&b);
+
+  GPR_ASSERT(g_compressor.table_size == elem_size + initial_table_size);
+  gpr_free(e);
+}
+
+static void test_encode_header_size(void) {
+  verify_table_size_change_match_elem_size("hello", "world");
+  verify_table_size_change_match_elem_size("hello-bin", "world");
+}
+
 static void run_test(void (*test)(), const char *name) {
   gpr_log(GPR_INFO, "RUN TEST: %s", name);
   grpc_chttp2_hpack_compressor_init(&g_compressor);
@@ -193,6 +229,7 @@ int main(int argc, char **argv) {
   grpc_init();
   TEST(test_basic_headers);
   TEST(test_decode_table_overflow);
+  TEST(test_encode_header_size);
   grpc_shutdown();
   for (i = 0; i < num_to_delete; i++) {
     gpr_free(to_delete[i]);
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0141fcddc9807ee093313b2256f1306fbbdc6cda b/test/core/transport/chttp2/hpack_parser_corpus/0141fcddc9807ee093313b2256f1306fbbdc6cda
new file mode 100644
index 0000000000000000000000000000000000000000..76b12506256639a739e47d5a18473914bca26ef8
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0141fcddc9807ee093313b2256f1306fbbdc6cda
@@ -0,0 +1 @@
+(?���ۤ��
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0255050a9ccb25f46d6c1bf6a5a8a4c0c7635599 b/test/core/transport/chttp2/hpack_parser_corpus/0255050a9ccb25f46d6c1bf6a5a8a4c0c7635599
new file mode 100644
index 0000000000000000000000000000000000000000..e28a5867dbef5a76ef646ddc416fd743f2dbea4b
Binary files /dev/null and b/test/core/transport/chttp2/hpack_parser_corpus/0255050a9ccb25f46d6c1bf6a5a8a4c0c7635599 differ
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0320a995a8c76c64c8a0e0297f632b76d9bc92d6 b/test/core/transport/chttp2/hpack_parser_corpus/0320a995a8c76c64c8a0e0297f632b76d9bc92d6
new file mode 100644
index 0000000000000000000000000000000000000000..0ea34c40993a079c929855e14f5f0fc24d6b15a0
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0320a995a8c76c64c8a0e0297f632b76d9bc92d6
@@ -0,0 +1 @@
+�!���!����*c
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/042091aeac4cc255506b96fa11c7354e699fde76 b/test/core/transport/chttp2/hpack_parser_corpus/042091aeac4cc255506b96fa11c7354e699fde76
new file mode 100644
index 0000000000000000000000000000000000000000..ce65ec6fd1fccef24d6b1a4faffe62012886d4ae
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/042091aeac4cc255506b96fa11c7354e699fde76
@@ -0,0 +1 @@
+���-bin;?0c!(�K	�[N!�c[:��-\!�G!):[(!!�
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0696e7bf7837d98de01c915d3c9d80e5d21b30d2 b/test/core/transport/chttp2/hpack_parser_corpus/0696e7bf7837d98de01c915d3c9d80e5d21b30d2
new file mode 100644
index 0000000000000000000000000000000000000000..a7936f2faf375a740e1ee2c2bce9bf2eda809329
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0696e7bf7837d98de01c915d3c9d80e5d21b30d2
@@ -0,0 +1 @@
+�[(-bin!	�(!\	?*���@:�[
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/06995c2f3f01c7ec50547415dc324c64030b7a3e b/test/core/transport/chttp2/hpack_parser_corpus/06995c2f3f01c7ec50547415dc324c64030b7a3e
new file mode 100644
index 0000000000000000000000000000000000000000..be20eb55defbcc12791ab47ff111d7777e72df99
Binary files /dev/null and b/test/core/transport/chttp2/hpack_parser_corpus/06995c2f3f01c7ec50547415dc324c64030b7a3e differ
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/06f7ce769fe07804fc842462d4be8c1aa2ba82c2 b/test/core/transport/chttp2/hpack_parser_corpus/06f7ce769fe07804fc842462d4be8c1aa2ba82c2
new file mode 100644
index 0000000000000000000000000000000000000000..0edc9f996f60c4b3cd0ad4632a6e309d7b8eee6b
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/06f7ce769fe07804fc842462d4be8c1aa2ba82c2
@@ -0,0 +1 @@
+����(cc
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0781b055c85ab8fbd0a3d0080a32e394af8761c4 b/test/core/transport/chttp2/hpack_parser_corpus/0781b055c85ab8fbd0a3d0080a32e394af8761c4
new file mode 100644
index 0000000000000000000000000000000000000000..ebb1e884e31ce3ba29ee4f2e95b854b4b969da3f
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0781b055c85ab8fbd0a3d0080a32e394af8761c4
@@ -0,0 +1 @@
+�!����!����c
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/080e1f19e6061c5bcac31add2095f87f6ce46129 b/test/core/transport/chttp2/hpack_parser_corpus/080e1f19e6061c5bcac31add2095f87f6ce46129
new file mode 100644
index 0000000000000000000000000000000000000000..e880d551baac265054963434a8a1d2d057534cdf
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/080e1f19e6061c5bcac31add2095f87f6ce46129
@@ -0,0 +1 @@
+;?'c�[(!	�[N!\	!�G�!*(!	!�G�A)(!)�!�*)�G�I)(�;)�
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+++ b/test/core/transport/chttp2/hpack_parser_corpus/efdd6824bd2456e3e408e0e84369c4fa3aa14f41
@@ -0,0 +1 @@
+0c�[(!	�[(!\	!�G�![(!!	!�G�A)(!)�!�*)�G�A)(�;)�
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/efec040a5de1969df5e37e4bc50a0a8f0de341d8 b/test/core/transport/chttp2/hpack_parser_corpus/efec040a5de1969df5e37e4bc50a0a8f0de341d8
new file mode 100644
index 0000000000000000000000000000000000000000..9e21c0e98c91d0226b0f68539c1210eab33de195
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/efec040a5de1969df5e37e4bc50a0a8f0de341d8
@@ -0,0 +1 @@
+(?�:��!	c
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f1e30464c24dc1d7cec7ec1dd2adec8512232b43 b/test/core/transport/chttp2/hpack_parser_corpus/f1e30464c24dc1d7cec7ec1dd2adec8512232b43
new file mode 100644
index 0000000000000000000000000000000000000000..a217e4f2d8421e9a380f12bd316b8640b2ad41f9
Binary files /dev/null and b/test/core/transport/chttp2/hpack_parser_corpus/f1e30464c24dc1d7cec7ec1dd2adec8512232b43 differ
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f27a617b936814476770a3b31a5afb80d0f3b423 b/test/core/transport/chttp2/hpack_parser_corpus/f27a617b936814476770a3b31a5afb80d0f3b423
new file mode 100644
index 0000000000000000000000000000000000000000..ee6ac4e30fe8812c32fae6518c15937cd7181d34
Binary files /dev/null and b/test/core/transport/chttp2/hpack_parser_corpus/f27a617b936814476770a3b31a5afb80d0f3b423 differ
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f3f0d99ac2962f8fddb25c65fb4c8c6eb63518a9 b/test/core/transport/chttp2/hpack_parser_corpus/f3f0d99ac2962f8fddb25c65fb4c8c6eb63518a9
new file mode 100644
index 0000000000000000000000000000000000000000..9b0d16f3bf2ccd22ed6cc18c5e0ac1b24d0797f0
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f3f0d99ac2962f8fddb25c65fb4c8c6eb63518a9
@@ -0,0 +1 @@
+���-bin�c[)(?*���@:
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f4628084cf46f139babb886a782b4ab5977d5d2e b/test/core/transport/chttp2/hpack_parser_corpus/f4628084cf46f139babb886a782b4ab5977d5d2e
new file mode 100644
index 0000000000000000000000000000000000000000..8926de3707013f2edce962d2cd63aaf149155342
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f4628084cf46f139babb886a782b4ab5977d5d2e
@@ -0,0 +1 @@
+(?�;[('��!	(
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f4753e8881e4b3c71f2728149be7d04cc648f6a6 b/test/core/transport/chttp2/hpack_parser_corpus/f4753e8881e4b3c71f2728149be7d04cc648f6a6
new file mode 100644
index 0000000000000000000000000000000000000000..0c8d29083e48e809a3219a2d663576bcafe24e77
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f4753e8881e4b3c71f2728149be7d04cc648f6a6
@@ -0,0 +1 @@
+?*���@Zn�:(c	(;�!(c!	;\	��G�!�cm:'
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f4d6ff635ae4fda497221da4bfa3e593df59a44e b/test/core/transport/chttp2/hpack_parser_corpus/f4d6ff635ae4fda497221da4bfa3e593df59a44e
new file mode 100644
index 0000000000000000000000000000000000000000..a7c841c10de508d38c0ce669ea1e366b7c8f5bdc
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f4d6ff635ae4fda497221da4bfa3e593df59a44e
@@ -0,0 +1 @@
+���-b)n�c[)(:*���@1:
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f52f4d51aaaed0f9c3a20936cf5efd25d0692f67 b/test/core/transport/chttp2/hpack_parser_corpus/f52f4d51aaaed0f9c3a20936cf5efd25d0692f67
new file mode 100644
index 0000000000000000000000000000000000000000..1ab7be333a2214ae467a70adf2674c00e0771e21
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f52f4d51aaaed0f9c3a20936cf5efd25d0692f67
@@ -0,0 +1 @@
+�p����!���T�*
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f7cf30724ab740918eee6e4a6b6658ae3d7706e8 b/test/core/transport/chttp2/hpack_parser_corpus/f7cf30724ab740918eee6e4a6b6658ae3d7706e8
new file mode 100644
index 0000000000000000000000000000000000000000..669e4a82f0c670fbbbd059d8e726987485cc99e3
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f7cf30724ab740918eee6e4a6b6658ae3d7706e8
@@ -0,0 +1 @@
+�c
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f823828ffd2a60efee36f1de52cb0f024ac5b4bb b/test/core/transport/chttp2/hpack_parser_corpus/f823828ffd2a60efee36f1de52cb0f024ac5b4bb
new file mode 100644
index 0000000000000000000000000000000000000000..0fee6875effd8968609c7745bb195efec5d7bec0
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f823828ffd2a60efee36f1de52cb0f024ac5b4bb
@@ -0,0 +1 @@
+���!�	c'
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f8760761bd5ab7b47376bfbc5a44e16b2d5ca800 b/test/core/transport/chttp2/hpack_parser_corpus/f8760761bd5ab7b47376bfbc5a44e16b2d5ca800
new file mode 100644
index 0000000000000000000000000000000000000000..667c24677c7983ca0eb580ec14e1eec1aea361ac
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f8760761bd5ab7b47376bfbc5a44e16b2d5ca800
@@ -0,0 +1 @@
+���-bin�c[''(-'bin	!!?��c��!
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fb15042c268625089ef6c8aa3d8a6f12d1d02c74 b/test/core/transport/chttp2/hpack_parser_corpus/fb15042c268625089ef6c8aa3d8a6f12d1d02c74
new file mode 100644
index 0000000000000000000000000000000000000000..67f84c5fbc9982a422ff089bd428d5dcee9484bf
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/fb15042c268625089ef6c8aa3d8a6f12d1d02c74
@@ -0,0 +1 @@
+�[(!	�(!\	!�G�:[(!'�[(!!	�[(!!	!�G�!�G�A)([(	!!�
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fc3dd4292d6884a770199596f5e9cbc1e869e5fb b/test/core/transport/chttp2/hpack_parser_corpus/fc3dd4292d6884a770199596f5e9cbc1e869e5fb
new file mode 100644
index 0000000000000000000000000000000000000000..99d90a032a08f4c5017fb0ded9866dd66903356d
Binary files /dev/null and b/test/core/transport/chttp2/hpack_parser_corpus/fc3dd4292d6884a770199596f5e9cbc1e869e5fb differ
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fd34ec90fe8f9218fd25c3eac151aec998cff6d8 b/test/core/transport/chttp2/hpack_parser_corpus/fd34ec90fe8f9218fd25c3eac151aec998cff6d8
new file mode 100644
index 0000000000000000000000000000000000000000..c5005c770027b6edb63ee48ec6945f754cc71933
Binary files /dev/null and b/test/core/transport/chttp2/hpack_parser_corpus/fd34ec90fe8f9218fd25c3eac151aec998cff6d8 differ
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fdf548cde981fab4fb17bd63a124b75eddc5c836 b/test/core/transport/chttp2/hpack_parser_corpus/fdf548cde981fab4fb17bd63a124b75eddc5c836
new file mode 100644
index 0000000000000000000000000000000000000000..fcae5ce55e1e2e9d3fdba585b8d0c5233ca29c87
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/fdf548cde981fab4fb17bd63a124b75eddc5c836
@@ -0,0 +1 @@
+���-bin��!�	c(?�)['��!	c'(
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fe47fb18b064e26479c3c3140082bd01065e897a b/test/core/transport/chttp2/hpack_parser_corpus/fe47fb18b064e26479c3c3140082bd01065e897a
new file mode 100644
index 0000000000000000000000000000000000000000..4ed844aca18cf90363289e309ecc371a5a25a222
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/fe47fb18b064e26479c3c3140082bd01065e897a
@@ -0,0 +1 @@
+(??�;[(�('?�
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ff2097734bd7bb8451aece13c9336c4624735170 b/test/core/transport/chttp2/hpack_parser_corpus/ff2097734bd7bb8451aece13c9336c4624735170
new file mode 100644
index 0000000000000000000000000000000000000000..e8e30c889edc3865df739b0abfdaeaa6d4334cc4
Binary files /dev/null and b/test/core/transport/chttp2/hpack_parser_corpus/ff2097734bd7bb8451aece13c9336c4624735170 differ
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ff2c949863eb4e14d9e835c51591304403d91b6c b/test/core/transport/chttp2/hpack_parser_corpus/ff2c949863eb4e14d9e835c51591304403d91b6c
new file mode 100644
index 0000000000000000000000000000000000000000..b9b44ea4a0287a425456dbf3160b8588ebd539a4
Binary files /dev/null and b/test/core/transport/chttp2/hpack_parser_corpus/ff2c949863eb4e14d9e835c51591304403d91b6c differ
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ff7d6ff060e63355701b2e655c802902338497de b/test/core/transport/chttp2/hpack_parser_corpus/ff7d6ff060e63355701b2e655c802902338497de
new file mode 100644
index 0000000000000000000000000000000000000000..58337fbf9b8f2c2461ddb3985191f6c5ad3ad709
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/ff7d6ff060e63355701b2e655c802902338497de
@@ -0,0 +1 @@
+���-bin�c�*[)�(-���'�!b�cin	;!!
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_fuzzer_test.c b/test/core/transport/chttp2/hpack_parser_fuzzer_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..e41eda8653e41511902520e4d4307b8b480b1082
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_fuzzer_test.c
@@ -0,0 +1,57 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
+
+static void onhdr(void *ud, grpc_mdelem *md) { GRPC_MDELEM_UNREF(md); }
+static void dont_log(gpr_log_func_args *args) {}
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  grpc_test_only_set_metadata_hash_seed(0);
+  gpr_set_log_function(dont_log);
+  grpc_init();
+  grpc_chttp2_hpack_parser parser;
+  grpc_chttp2_hpack_parser_init(&parser);
+  parser.on_header = onhdr;
+  grpc_chttp2_hpack_parser_parse(&parser, data, data + size);
+  grpc_chttp2_hpack_parser_destroy(&parser);
+  grpc_shutdown();
+  return 0;
+}
diff --git a/test/core/transport/chttp2/hpack_parser_test.c b/test/core/transport/chttp2/hpack_parser_test.c
index 4456e197afcf42f91215eef4407efaa5e6ee025f..51bf48dc0917ab0f2c443be656f0ca967df9b3a0 100644
--- a/test/core/transport/chttp2/hpack_parser_test.c
+++ b/test/core/transport/chttp2/hpack_parser_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_parser.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
 
 #include <stdarg.h>
 
diff --git a/test/core/transport/chttp2/hpack_table_test.c b/test/core/transport/chttp2/hpack_table_test.c
index 3c5f2e4e3144b62590581b196a921f3c6affd4f4..73e59f1536e571edf5fb0cb93b07d9b33ee24092 100644
--- a/test/core/transport/chttp2/hpack_table_test.c
+++ b/test/core/transport/chttp2/hpack_table_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,17 +31,17 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_table.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_table.h"
 
-#include <string.h>
 #include <stdio.h>
+#include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
diff --git a/test/core/transport/chttp2/status_conversion_test.c b/test/core/transport/chttp2/status_conversion_test.c
index e2729a0a198ab8cdf7a6986118ec692cfb2fd966..e6fc7857281515a7339a270d2ecd72d200c2e751 100644
--- a/test/core/transport/chttp2/status_conversion_test.c
+++ b/test/core/transport/chttp2/status_conversion_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/status_conversion.h"
+#include "src/core/ext/transport/chttp2/transport/status_conversion.h"
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/transport/chttp2/stream_map_test.c b/test/core/transport/chttp2/stream_map_test.c
index 527d2fe0aedcf92d7909c95311b0ef36bac16a2d..83d740a7c05acd4c297c2a2297ad69c21096d9eb 100644
--- a/test/core/transport/chttp2/stream_map_test.c
+++ b/test/core/transport/chttp2/stream_map_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/stream_map.h"
+#include "src/core/ext/transport/chttp2/transport/stream_map.h"
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/transport/chttp2/timeout_encoding_test.c b/test/core/transport/chttp2/timeout_encoding_test.c
index 483e79fb2536ccf162c506e4ec81a9deb52df329..67639936a76baeba3b70f65528568fdf00d9c52e 100644
--- a/test/core/transport/chttp2/timeout_encoding_test.c
+++ b/test/core/transport/chttp2/timeout_encoding_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,16 +31,16 @@
  *
  */
 
-#include "src/core/transport/chttp2/timeout_encoding.h"
+#include "src/core/ext/transport/chttp2/transport/timeout_encoding.h"
 
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
@@ -128,11 +128,10 @@ void test_decoding(void) {
   decode_suite('H', gpr_time_from_hours);
   assert_decodes_as("1000000000S",
                     gpr_time_from_seconds(1000 * 1000 * 1000, GPR_TIMESPAN));
-  assert_decodes_as("1000000000000000000000u",
-                    gpr_inf_future(GPR_CLOCK_REALTIME));
-  assert_decodes_as("1000000001S", gpr_inf_future(GPR_CLOCK_REALTIME));
-  assert_decodes_as("2000000001S", gpr_inf_future(GPR_CLOCK_REALTIME));
-  assert_decodes_as("9999999999S", gpr_inf_future(GPR_CLOCK_REALTIME));
+  assert_decodes_as("1000000000000000000000u", gpr_inf_future(GPR_TIMESPAN));
+  assert_decodes_as("1000000001S", gpr_inf_future(GPR_TIMESPAN));
+  assert_decodes_as("2000000001S", gpr_inf_future(GPR_TIMESPAN));
+  assert_decodes_as("9999999999S", gpr_inf_future(GPR_TIMESPAN));
 }
 
 void test_decoding_fails(void) {
diff --git a/test/core/transport/chttp2/varint_test.c b/test/core/transport/chttp2/varint_test.c
index f06116a731b6851966853c2de49ddccbcd09473e..3552bf0c591b82fd8344d0d154fcb48a03853c9a 100644
--- a/test/core/transport/chttp2/varint_test.c
+++ b/test/core/transport/chttp2/varint_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/varint.h"
+#include "src/core/ext/transport/chttp2/transport/varint.h"
 
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
diff --git a/test/core/transport/connectivity_state_test.c b/test/core/transport/connectivity_state_test.c
index 4b2d0aa44a07eca79745b8a4d4b073c1473e7fd3..6bb7c3b06ba6813035ce9f8443c81b226de6322b 100644
--- a/test/core/transport/connectivity_state_test.c
+++ b/test/core/transport/connectivity_state_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 #include <string.h>
 
diff --git a/test/core/transport/metadata_test.c b/test/core/transport/metadata_test.c
index 928fba7f4525e1f2aa6453c45f112ea79973cffb..a4e9694a93e904f5a8bd94d7dd1a831ce4dd3e98 100644
--- a/test/core/transport/metadata_test.c
+++ b/test/core/transport/metadata_test.c
@@ -31,17 +31,19 @@
  *
  */
 
-#include "src/core/transport/metadata.h"
+#include "src/core/lib/transport/metadata.h"
 
 #include <stdio.h>
+#include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/static_metadata.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
@@ -260,6 +262,54 @@ static void test_user_data_works(void) {
   grpc_shutdown();
 }
 
+static void verify_ascii_header_size(const char *key, const char *value) {
+  grpc_mdelem *elem = grpc_mdelem_from_strings(key, value);
+  size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
+  size_t expected_size = 32 + strlen(key) + strlen(value);
+  GPR_ASSERT(expected_size == elem_size);
+  GRPC_MDELEM_UNREF(elem);
+}
+
+static void verify_binary_header_size(const char *key, const uint8_t *value,
+                                      size_t value_len) {
+  grpc_mdelem *elem = grpc_mdelem_from_string_and_buffer(key, value, value_len);
+  GPR_ASSERT(grpc_is_binary_header(key, strlen(key)));
+  size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
+  gpr_slice value_slice =
+      gpr_slice_from_copied_buffer((const char *)value, value_len);
+  gpr_slice base64_encoded = grpc_chttp2_base64_encode(value_slice);
+  size_t expected_size = 32 + strlen(key) + GPR_SLICE_LENGTH(base64_encoded);
+  GPR_ASSERT(expected_size == elem_size);
+  gpr_slice_unref(value_slice);
+  gpr_slice_unref(base64_encoded);
+  GRPC_MDELEM_UNREF(elem);
+}
+
+#define BUFFER_SIZE 64
+static void test_mdelem_sizes_in_hpack(void) {
+  LOG_TEST("test_mdelem_size");
+  grpc_init();
+
+  uint8_t binary_value[BUFFER_SIZE] = {0};
+  for (uint8_t i = 0; i < BUFFER_SIZE; i++) {
+    binary_value[i] = i;
+  }
+
+  verify_ascii_header_size("hello", "world");
+  verify_ascii_header_size("hello", "worldxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
+  verify_ascii_header_size(":scheme", "http");
+
+  for (uint8_t i = 0; i < BUFFER_SIZE; i++) {
+    verify_binary_header_size("hello-bin", binary_value, i);
+  }
+
+  const char *static_metadata = grpc_static_metadata_strings[0];
+  memcpy(binary_value, static_metadata, strlen(static_metadata));
+  verify_binary_header_size("hello-bin", binary_value, strlen(static_metadata));
+
+  grpc_shutdown();
+}
+
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   test_no_op();
@@ -272,5 +322,6 @@ int main(int argc, char **argv) {
   test_slices_work();
   test_base64_and_huffman_works();
   test_user_data_works();
+  test_mdelem_sizes_in_hpack();
   return 0;
 }
diff --git a/test/core/tsi/transport_security_test.c b/test/core/tsi/transport_security_test.c
index 667d3f034979474ecce71c624a62b8c72b071404..01e8770b2405ef780f82f85f023d8476c282cfb7 100644
--- a/test/core/tsi/transport_security_test.c
+++ b/test/core/tsi/transport_security_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/tsi/transport_security.h"
+#include "src/core/lib/tsi/transport_security.h"
 
 #include <string.h>
 
@@ -42,9 +42,9 @@
 
 #include <openssl/crypto.h>
 
-#include "src/core/support/string.h"
-#include "src/core/tsi/fake_transport_security.h"
-#include "src/core/tsi/ssl_transport_security.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/tsi/fake_transport_security.h"
+#include "src/core/lib/tsi/ssl_transport_security.h"
 #include "test/core/util/test_config.h"
 
 typedef struct {
diff --git a/test/core/util/memory_counters.c b/test/core/util/memory_counters.c
new file mode 100644
index 0000000000000000000000000000000000000000..bebe94e58267dd28fd1f98d902618b95ace7f85a
--- /dev/null
+++ b/test/core/util/memory_counters.c
@@ -0,0 +1,117 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/sync.h>
+
+#include "test/core/util/memory_counters.h"
+
+static gpr_mu g_memory_mutex;
+static struct grpc_memory_counters g_memory_counters;
+static gpr_allocation_functions g_old_allocs;
+
+static void *guard_malloc(size_t size);
+static void *guard_realloc(void *vptr, size_t size);
+static void guard_free(void *vptr);
+
+static void *guard_malloc(size_t size) {
+  size_t *ptr;
+  if (!size) return NULL;
+  gpr_mu_lock(&g_memory_mutex);
+  g_memory_counters.total_size_absolute += size;
+  g_memory_counters.total_size_relative += size;
+  g_memory_counters.total_allocs_absolute++;
+  g_memory_counters.total_allocs_relative++;
+  gpr_mu_unlock(&g_memory_mutex);
+  ptr = g_old_allocs.malloc_fn(size + sizeof(size));
+  *ptr++ = size;
+  return ptr;
+}
+
+static void *guard_realloc(void *vptr, size_t size) {
+  size_t *ptr = vptr;
+  if (vptr == NULL) {
+    return guard_malloc(size);
+  }
+  if (size == 0) {
+    guard_free(vptr);
+    return NULL;
+  }
+  --ptr;
+  gpr_mu_lock(&g_memory_mutex);
+  g_memory_counters.total_size_absolute += size;
+  g_memory_counters.total_size_relative -= *ptr;
+  g_memory_counters.total_size_relative += size;
+  g_memory_counters.total_allocs_absolute++;
+  gpr_mu_unlock(&g_memory_mutex);
+  ptr = g_old_allocs.realloc_fn(ptr, size + sizeof(size));
+  *ptr++ = size;
+  return ptr;
+}
+
+static void guard_free(void *vptr) {
+  size_t *ptr = vptr;
+  if (!vptr) return;
+  --ptr;
+  gpr_mu_lock(&g_memory_mutex);
+  g_memory_counters.total_size_relative -= *ptr;
+  g_memory_counters.total_allocs_relative--;
+  gpr_mu_unlock(&g_memory_mutex);
+  g_old_allocs.free_fn(ptr);
+}
+
+struct gpr_allocation_functions g_guard_allocs = {guard_malloc, guard_realloc,
+                                                  guard_free};
+
+void grpc_memory_counters_init() {
+  memset(&g_memory_counters, 0, sizeof(g_memory_counters));
+  gpr_mu_init(&g_memory_mutex);
+  g_old_allocs = gpr_get_allocation_functions();
+  gpr_set_allocation_functions(g_guard_allocs);
+}
+
+void grpc_memory_counters_destroy() {
+  gpr_set_allocation_functions(g_old_allocs);
+  gpr_mu_destroy(&g_memory_mutex);
+}
+
+struct grpc_memory_counters grpc_memory_counters_snapshot() {
+  struct grpc_memory_counters counters;
+  gpr_mu_lock(&g_memory_mutex);
+  counters = g_memory_counters;
+  gpr_mu_unlock(&g_memory_mutex);
+  return counters;
+}
diff --git a/src/core/client_config/lb_policies/round_robin.h b/test/core/util/memory_counters.h
similarity index 78%
rename from src/core/client_config/lb_policies/round_robin.h
rename to test/core/util/memory_counters.h
index cf1f69c85f6dca3ef345110aeba35e23275be24e..f33281650147fc77d7ec64191dc819c705c906b9 100644
--- a/src/core/client_config/lb_policies/round_robin.h
+++ b/test/core/util/memory_counters.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,16 +31,18 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_ROUND_ROBIN_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_ROUND_ROBIN_H
+#ifndef GRPC_TEST_CORE_UTIL_MEMORY_COUNTERS_H
+#define GRPC_TEST_CORE_UTIL_MEMORY_COUNTERS_H
 
-#include "src/core/client_config/lb_policy.h"
+struct grpc_memory_counters {
+  size_t total_size_relative;
+  size_t total_size_absolute;
+  size_t total_allocs_relative;
+  size_t total_allocs_absolute;
+};
 
-extern int grpc_lb_round_robin_trace;
-
-#include "src/core/client_config/lb_policy_factory.h"
-
-/** Returns a load balancing factory for the round robin policy */
-grpc_lb_policy_factory *grpc_round_robin_lb_factory_create();
+void grpc_memory_counters_init();
+void grpc_memory_counters_destroy();
+struct grpc_memory_counters grpc_memory_counters_snapshot();
 
 #endif
diff --git a/test/core/util/mock_endpoint.c b/test/core/util/mock_endpoint.c
new file mode 100644
index 0000000000000000000000000000000000000000..776841309529b83bd728880a39fcbcaafe7dbf10
--- /dev/null
+++ b/test/core/util/mock_endpoint.c
@@ -0,0 +1,124 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/util/mock_endpoint.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
+
+typedef struct grpc_mock_endpoint {
+  grpc_endpoint base;
+  gpr_mu mu;
+  void (*on_write)(gpr_slice slice);
+  gpr_slice_buffer read_buffer;
+  gpr_slice_buffer *on_read_out;
+  grpc_closure *on_read;
+} grpc_mock_endpoint;
+
+static void me_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                    gpr_slice_buffer *slices, grpc_closure *cb) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  gpr_mu_lock(&m->mu);
+  if (m->read_buffer.count > 0) {
+    gpr_slice_buffer_swap(&m->read_buffer, slices);
+    grpc_exec_ctx_enqueue(exec_ctx, cb, true, NULL);
+  } else {
+    m->on_read = cb;
+    m->on_read_out = slices;
+  }
+  gpr_mu_unlock(&m->mu);
+}
+
+static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                     gpr_slice_buffer *slices, grpc_closure *cb) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  for (size_t i = 0; i < slices->count; i++) {
+    m->on_write(slices->slices[i]);
+  }
+  grpc_exec_ctx_enqueue(exec_ctx, cb, true, NULL);
+}
+
+static void me_add_to_pollset(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                              grpc_pollset *pollset) {}
+
+static void me_add_to_pollset_set(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                                  grpc_pollset_set *pollset) {}
+
+static void me_shutdown(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  gpr_mu_lock(&m->mu);
+  if (m->on_read) {
+    grpc_exec_ctx_enqueue(exec_ctx, m->on_read, false, NULL);
+    m->on_read = NULL;
+  }
+  gpr_mu_unlock(&m->mu);
+}
+
+static void me_destroy(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  gpr_slice_buffer_destroy(&m->read_buffer);
+  gpr_free(m);
+}
+
+static char *me_get_peer(grpc_endpoint *ep) {
+  return gpr_strdup("fake:mock_endpoint");
+}
+
+static const grpc_endpoint_vtable vtable = {
+    me_read,     me_write,   me_add_to_pollset, me_add_to_pollset_set,
+    me_shutdown, me_destroy, me_get_peer,
+};
+
+grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(gpr_slice slice)) {
+  grpc_mock_endpoint *m = gpr_malloc(sizeof(*m));
+  m->base.vtable = &vtable;
+  gpr_slice_buffer_init(&m->read_buffer);
+  gpr_mu_init(&m->mu);
+  m->on_write = on_write;
+  m->on_read = NULL;
+  return &m->base;
+}
+
+void grpc_mock_endpoint_put_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                                 gpr_slice slice) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  gpr_mu_lock(&m->mu);
+  if (m->on_read != NULL) {
+    gpr_slice_buffer_add(m->on_read_out, slice);
+    grpc_exec_ctx_enqueue(exec_ctx, m->on_read, true, NULL);
+    m->on_read = NULL;
+  } else {
+    gpr_slice_buffer_add(&m->read_buffer, slice);
+  }
+  gpr_mu_unlock(&m->mu);
+}
diff --git a/test/core/util/mock_endpoint.h b/test/core/util/mock_endpoint.h
new file mode 100644
index 0000000000000000000000000000000000000000..051af9866b6112f8e7b70b3a6e98850f1ae104e5
--- /dev/null
+++ b/test/core/util/mock_endpoint.h
@@ -0,0 +1,43 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef MOCK_ENDPOINT_H
+#define MOCK_ENDPOINT_H
+
+#include "src/core/lib/iomgr/endpoint.h"
+
+grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(gpr_slice slice));
+void grpc_mock_endpoint_put_read(grpc_exec_ctx *exec_ctx,
+                                 grpc_endpoint *mock_endpoint, gpr_slice slice);
+
+#endif
diff --git a/test/core/util/one_corpus_entry_fuzzer.c b/test/core/util/one_corpus_entry_fuzzer.c
new file mode 100644
index 0000000000000000000000000000000000000000..41f9558211a5d5aec8713976beed67f0f871468d
--- /dev/null
+++ b/test/core/util/one_corpus_entry_fuzzer.c
@@ -0,0 +1,46 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/log.h>
+#include "src/core/lib/support/load_file.h"
+
+extern int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
+
+int main(int argc, char **argv) {
+  int ok = 0;
+  gpr_slice buffer = gpr_load_file(argv[1], 0, &ok);
+  GPR_ASSERT(ok);
+  LLVMFuzzerTestOneInput(GPR_SLICE_START_PTR(buffer), GPR_SLICE_LENGTH(buffer));
+  gpr_slice_unref(buffer);
+  return 0;
+}
diff --git a/test/core/util/passthru_endpoint.c b/test/core/util/passthru_endpoint.c
new file mode 100644
index 0000000000000000000000000000000000000000..168ae59e9175e42cf9484a7e1e6b5f66fd84b43d
--- /dev/null
+++ b/test/core/util/passthru_endpoint.c
@@ -0,0 +1,158 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/util/passthru_endpoint.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
+
+typedef struct passthru_endpoint passthru_endpoint;
+
+typedef struct {
+  grpc_endpoint base;
+  passthru_endpoint *parent;
+  gpr_slice_buffer read_buffer;
+  gpr_slice_buffer *on_read_out;
+  grpc_closure *on_read;
+} half;
+
+struct passthru_endpoint {
+  gpr_mu mu;
+  int halves;
+  bool shutdown;
+  half client;
+  half server;
+};
+
+static void me_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                    gpr_slice_buffer *slices, grpc_closure *cb) {
+  half *m = (half *)ep;
+  gpr_mu_lock(&m->parent->mu);
+  if (m->parent->shutdown) {
+    grpc_exec_ctx_enqueue(exec_ctx, cb, false, NULL);
+  } else if (m->read_buffer.count > 0) {
+    gpr_slice_buffer_swap(&m->read_buffer, slices);
+    grpc_exec_ctx_enqueue(exec_ctx, cb, true, NULL);
+  } else {
+    m->on_read = cb;
+    m->on_read_out = slices;
+  }
+  gpr_mu_unlock(&m->parent->mu);
+}
+
+static half *other_half(half *h) {
+  if (h == &h->parent->client) return &h->parent->server;
+  return &h->parent->client;
+}
+
+static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                     gpr_slice_buffer *slices, grpc_closure *cb) {
+  half *m = other_half((half *)ep);
+  gpr_mu_lock(&m->parent->mu);
+  bool ok = true;
+  if (m->parent->shutdown) {
+    ok = false;
+  } else if (m->on_read != NULL) {
+    gpr_slice_buffer_addn(m->on_read_out, slices->slices, slices->count);
+    grpc_exec_ctx_enqueue(exec_ctx, m->on_read, true, NULL);
+    m->on_read = NULL;
+  } else {
+    gpr_slice_buffer_addn(&m->read_buffer, slices->slices, slices->count);
+  }
+  gpr_mu_unlock(&m->parent->mu);
+  grpc_exec_ctx_enqueue(exec_ctx, cb, ok, NULL);
+}
+
+static void me_add_to_pollset(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                              grpc_pollset *pollset) {}
+
+static void me_add_to_pollset_set(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                                  grpc_pollset_set *pollset) {}
+
+static void me_shutdown(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
+  half *m = (half *)ep;
+  gpr_mu_lock(&m->parent->mu);
+  m->parent->shutdown = true;
+  if (m->on_read) {
+    grpc_exec_ctx_enqueue(exec_ctx, m->on_read, false, NULL);
+    m->on_read = NULL;
+  }
+  m = other_half(m);
+  if (m->on_read) {
+    grpc_exec_ctx_enqueue(exec_ctx, m->on_read, false, NULL);
+    m->on_read = NULL;
+  }
+  gpr_mu_unlock(&m->parent->mu);
+}
+
+static void me_destroy(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
+  passthru_endpoint *p = ((half *)ep)->parent;
+  gpr_mu_lock(&p->mu);
+  if (0 == --p->halves) {
+    gpr_mu_unlock(&p->mu);
+    gpr_mu_destroy(&p->mu);
+    gpr_slice_buffer_destroy(&p->client.read_buffer);
+    gpr_slice_buffer_destroy(&p->server.read_buffer);
+    gpr_free(p);
+  } else {
+    gpr_mu_unlock(&p->mu);
+  }
+}
+
+static char *me_get_peer(grpc_endpoint *ep) {
+  return gpr_strdup("fake:mock_endpoint");
+}
+
+static const grpc_endpoint_vtable vtable = {
+    me_read,     me_write,   me_add_to_pollset, me_add_to_pollset_set,
+    me_shutdown, me_destroy, me_get_peer,
+};
+
+static void half_init(half *m, passthru_endpoint *parent) {
+  m->base.vtable = &vtable;
+  m->parent = parent;
+  gpr_slice_buffer_init(&m->read_buffer);
+  m->on_read = NULL;
+}
+
+void grpc_passthru_endpoint_create(grpc_endpoint **client,
+                                   grpc_endpoint **server) {
+  passthru_endpoint *m = gpr_malloc(sizeof(*m));
+  m->halves = 2;
+  m->shutdown = 0;
+  half_init(&m->client, m);
+  half_init(&m->server, m);
+  gpr_mu_init(&m->mu);
+  *client = &m->client.base;
+  *server = &m->server.base;
+}
diff --git a/test/core/util/passthru_endpoint.h b/test/core/util/passthru_endpoint.h
new file mode 100644
index 0000000000000000000000000000000000000000..aa1d3a176373f7914c74fd2b4e4cd70df411185b
--- /dev/null
+++ b/test/core/util/passthru_endpoint.h
@@ -0,0 +1,42 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef MOCK_ENDPOINT_H
+#define MOCK_ENDPOINT_H
+
+#include "src/core/lib/iomgr/endpoint.h"
+
+void grpc_passthru_endpoint_create(grpc_endpoint **client,
+                                   grpc_endpoint **server);
+
+#endif
diff --git a/test/core/util/port_posix.c b/test/core/util/port_posix.c
index c4bd00c1baa5076ce8d1e1241a319aefc84c8cb2..eabd62fafc743c153f4bc9d38235237439bc2201 100644
--- a/test/core/util/port_posix.c
+++ b/test/core/util/port_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,7 +38,6 @@
 #include "test/core/util/port.h"
 
 #include <errno.h>
-#include <math.h>
 #include <netinet/in.h>
 #include <stdio.h>
 #include <string.h>
@@ -50,8 +49,9 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/support/env.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/support/env.h"
+#include "test/core/util/port_server_client.h"
 
 #define NUM_RANDOM_PORTS_TO_PICK 100
 
@@ -68,76 +68,12 @@ static int has_port_been_chosen(int port) {
   return 0;
 }
 
-typedef struct freereq {
-  gpr_mu *mu;
-  grpc_pollset *pollset;
-  int done;
-} freereq;
-
-static void destroy_pollset_and_shutdown(grpc_exec_ctx *exec_ctx, void *p,
-                                         bool success) {
-  grpc_pollset_destroy(p);
-  gpr_free(p);
-  grpc_shutdown();
-}
-
-static void freed_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
-                                   const grpc_httpcli_response *response) {
-  freereq *pr = arg;
-  gpr_mu_lock(pr->mu);
-  pr->done = 1;
-  grpc_pollset_kick(pr->pollset, NULL);
-  gpr_mu_unlock(pr->mu);
-}
-
-static void free_port_using_server(char *server, int port) {
-  grpc_httpcli_context context;
-  grpc_httpcli_request req;
-  freereq pr;
-  char *path;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_closure *shutdown_closure;
-
-  grpc_init();
-
-  memset(&pr, 0, sizeof(pr));
-  memset(&req, 0, sizeof(req));
-
-  pr.pollset = gpr_malloc(grpc_pollset_size());
-  grpc_pollset_init(pr.pollset, &pr.mu);
-  shutdown_closure =
-      grpc_closure_create(destroy_pollset_and_shutdown, pr.pollset);
-
-  req.host = server;
-  gpr_asprintf(&path, "/drop/%d", port);
-  req.path = path;
-
-  grpc_httpcli_context_init(&context);
-  grpc_httpcli_get(&exec_ctx, &context, pr.pollset, &req,
-                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), freed_port_from_server,
-                   &pr);
-  gpr_mu_lock(pr.mu);
-  while (!pr.done) {
-    grpc_pollset_worker *worker = NULL;
-    grpc_pollset_work(&exec_ctx, pr.pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC),
-                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
-  }
-  gpr_mu_unlock(pr.mu);
-
-  grpc_httpcli_context_destroy(&context);
-  grpc_exec_ctx_finish(&exec_ctx);
-  grpc_pollset_shutdown(&exec_ctx, pr.pollset, shutdown_closure);
-  grpc_exec_ctx_finish(&exec_ctx);
-  gpr_free(path);
-}
-
-static void free_chosen_ports() {
+static void free_chosen_ports(void) {
   char *env = gpr_getenv("GRPC_TEST_PORT_SERVER");
   if (env != NULL) {
     size_t i;
     for (i = 0; i < num_chosen_ports; i++) {
-      free_port_using_server(env, chosen_ports[i]);
+      grpc_free_port_using_server(env, chosen_ports[i]);
     }
     gpr_free(env);
   }
@@ -205,101 +141,6 @@ static int is_port_available(int *port, int is_tcp) {
   return 1;
 }
 
-typedef struct portreq {
-  gpr_mu *mu;
-  grpc_pollset *pollset;
-  int port;
-  int retries;
-  char *server;
-  grpc_httpcli_context *ctx;
-} portreq;
-
-static void got_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
-                                 const grpc_httpcli_response *response) {
-  size_t i;
-  int port = 0;
-  portreq *pr = arg;
-  int failed = 0;
-
-  if (!response) {
-    failed = 1;
-    gpr_log(GPR_DEBUG,
-            "failed port pick from server: retrying [response=NULL]");
-  } else if (response->status != 200) {
-    failed = 1;
-    gpr_log(GPR_DEBUG, "failed port pick from server: status=%d",
-            response->status);
-  }
-
-  if (failed) {
-    grpc_httpcli_request req;
-    memset(&req, 0, sizeof(req));
-    GPR_ASSERT(pr->retries < 10);
-    sleep(1 + (unsigned)(pow(1.3, pr->retries) * rand() / RAND_MAX));
-    pr->retries++;
-    req.host = pr->server;
-    req.path = "/get";
-    grpc_httpcli_get(exec_ctx, pr->ctx, pr->pollset, &req,
-                     GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
-                     pr);
-    return;
-  }
-  GPR_ASSERT(response);
-  GPR_ASSERT(response->status == 200);
-  for (i = 0; i < response->body_length; i++) {
-    GPR_ASSERT(response->body[i] >= '0' && response->body[i] <= '9');
-    port = port * 10 + response->body[i] - '0';
-  }
-  GPR_ASSERT(port > 1024);
-  gpr_mu_lock(pr->mu);
-  pr->port = port;
-  grpc_pollset_kick(pr->pollset, NULL);
-  gpr_mu_unlock(pr->mu);
-}
-
-static int pick_port_using_server(char *server) {
-  grpc_httpcli_context context;
-  grpc_httpcli_request req;
-  portreq pr;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_closure *shutdown_closure;
-
-  grpc_init();
-
-  memset(&pr, 0, sizeof(pr));
-  memset(&req, 0, sizeof(req));
-  pr.pollset = gpr_malloc(grpc_pollset_size());
-  grpc_pollset_init(pr.pollset, &pr.mu);
-  shutdown_closure =
-      grpc_closure_create(destroy_pollset_and_shutdown, pr.pollset);
-  pr.port = -1;
-  pr.server = server;
-  pr.ctx = &context;
-
-  req.host = server;
-  req.path = "/get";
-
-  grpc_httpcli_context_init(&context);
-  grpc_httpcli_get(&exec_ctx, &context, pr.pollset, &req,
-                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
-                   &pr);
-  grpc_exec_ctx_finish(&exec_ctx);
-  gpr_mu_lock(pr.mu);
-  while (pr.port == -1) {
-    grpc_pollset_worker *worker = NULL;
-    grpc_pollset_work(&exec_ctx, pr.pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC),
-                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
-  }
-  gpr_mu_unlock(pr.mu);
-
-  grpc_httpcli_context_destroy(&context);
-  grpc_pollset_shutdown(&exec_ctx, pr.pollset, shutdown_closure);
-  grpc_exec_ctx_finish(&exec_ctx);
-
-  return pr.port;
-}
-
 int grpc_pick_unused_port(void) {
   /* We repeatedly pick a port and then see whether or not it is
      available for use both as a TCP socket and a UDP socket.  First, we
@@ -319,7 +160,7 @@ int grpc_pick_unused_port(void) {
 
   char *env = gpr_getenv("GRPC_TEST_PORT_SERVER");
   if (env) {
-    int port = pick_port_using_server(env);
+    int port = grpc_pick_port_using_server(env);
     gpr_free(env);
     if (port != 0) {
       chose_port(port);
diff --git a/test/core/util/port_server_client.c b/test/core/util/port_server_client.c
new file mode 100644
index 0000000000000000000000000000000000000000..84e90547aa919b5064859a55b477f9201c500cd2
--- /dev/null
+++ b/test/core/util/port_server_client.c
@@ -0,0 +1,215 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+#include "test/core/util/test_config.h"
+
+#ifdef GRPC_TEST_PICK_PORT
+#include "test/core/util/port_server_client.h"
+
+#include <math.h>
+#include <string.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/time.h>
+
+#include "src/core/lib/http/httpcli.h"
+
+typedef struct freereq {
+  gpr_mu *mu;
+  grpc_pollset *pollset;
+  int done;
+} freereq;
+
+static void destroy_pollset_and_shutdown(grpc_exec_ctx *exec_ctx, void *p,
+                                         bool success) {
+  grpc_pollset_destroy(p);
+  gpr_free(p);
+  grpc_shutdown();
+}
+
+static void freed_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
+                                   const grpc_httpcli_response *response) {
+  freereq *pr = arg;
+  gpr_mu_lock(pr->mu);
+  pr->done = 1;
+  grpc_pollset_kick(pr->pollset, NULL);
+  gpr_mu_unlock(pr->mu);
+}
+
+void grpc_free_port_using_server(char *server, int port) {
+  grpc_httpcli_context context;
+  grpc_httpcli_request req;
+  freereq pr;
+  char *path;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_closure *shutdown_closure;
+
+  grpc_init();
+
+  memset(&pr, 0, sizeof(pr));
+  memset(&req, 0, sizeof(req));
+
+  pr.pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(pr.pollset, &pr.mu);
+  shutdown_closure =
+      grpc_closure_create(destroy_pollset_and_shutdown, pr.pollset);
+
+  req.host = server;
+  gpr_asprintf(&path, "/drop/%d", port);
+  req.http.path = path;
+
+  grpc_httpcli_context_init(&context);
+  grpc_httpcli_get(&exec_ctx, &context, pr.pollset, &req,
+                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), freed_port_from_server,
+                   &pr);
+  gpr_mu_lock(pr.mu);
+  while (!pr.done) {
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, pr.pollset, &worker,
+                      gpr_now(GPR_CLOCK_MONOTONIC),
+                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
+  }
+  gpr_mu_unlock(pr.mu);
+
+  grpc_httpcli_context_destroy(&context);
+  grpc_exec_ctx_finish(&exec_ctx);
+  grpc_pollset_shutdown(&exec_ctx, pr.pollset, shutdown_closure);
+  grpc_exec_ctx_finish(&exec_ctx);
+  gpr_free(path);
+}
+
+typedef struct portreq {
+  gpr_mu *mu;
+  grpc_pollset *pollset;
+  int port;
+  int retries;
+  char *server;
+  grpc_httpcli_context *ctx;
+} portreq;
+
+static void got_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
+                                 const grpc_httpcli_response *response) {
+  size_t i;
+  int port = 0;
+  portreq *pr = arg;
+  int failed = 0;
+
+  if (!response) {
+    failed = 1;
+    gpr_log(GPR_DEBUG,
+            "failed port pick from server: retrying [response=NULL]");
+  } else if (response->status != 200) {
+    failed = 1;
+    gpr_log(GPR_DEBUG, "failed port pick from server: status=%d",
+            response->status);
+  }
+
+  if (failed) {
+    grpc_httpcli_request req;
+    memset(&req, 0, sizeof(req));
+    GPR_ASSERT(pr->retries < 10);
+    gpr_sleep_until(gpr_time_add(
+        gpr_now(GPR_CLOCK_REALTIME),
+        gpr_time_from_millis(
+            (int64_t)(1000.0 * (1 + pow(1.3, pr->retries) * rand() / RAND_MAX)),
+            GPR_TIMESPAN)));
+    pr->retries++;
+    req.host = pr->server;
+    req.http.path = "/get";
+    grpc_httpcli_get(exec_ctx, pr->ctx, pr->pollset, &req,
+                     GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
+                     pr);
+    return;
+  }
+  GPR_ASSERT(response);
+  GPR_ASSERT(response->status == 200);
+  for (i = 0; i < response->body_length; i++) {
+    GPR_ASSERT(response->body[i] >= '0' && response->body[i] <= '9');
+    port = port * 10 + response->body[i] - '0';
+  }
+  GPR_ASSERT(port > 1024);
+  gpr_mu_lock(pr->mu);
+  pr->port = port;
+  grpc_pollset_kick(pr->pollset, NULL);
+  gpr_mu_unlock(pr->mu);
+}
+
+int grpc_pick_port_using_server(char *server) {
+  grpc_httpcli_context context;
+  grpc_httpcli_request req;
+  portreq pr;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_closure *shutdown_closure;
+
+  grpc_init();
+
+  memset(&pr, 0, sizeof(pr));
+  memset(&req, 0, sizeof(req));
+  pr.pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(pr.pollset, &pr.mu);
+  shutdown_closure =
+      grpc_closure_create(destroy_pollset_and_shutdown, pr.pollset);
+  pr.port = -1;
+  pr.server = server;
+  pr.ctx = &context;
+
+  req.host = server;
+  req.http.path = "/get";
+
+  grpc_httpcli_context_init(&context);
+  grpc_httpcli_get(&exec_ctx, &context, pr.pollset, &req,
+                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
+                   &pr);
+  grpc_exec_ctx_finish(&exec_ctx);
+  gpr_mu_lock(pr.mu);
+  while (pr.port == -1) {
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, pr.pollset, &worker,
+                      gpr_now(GPR_CLOCK_MONOTONIC),
+                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
+  }
+  gpr_mu_unlock(pr.mu);
+
+  grpc_httpcli_context_destroy(&context);
+  grpc_pollset_shutdown(&exec_ctx, pr.pollset, shutdown_closure);
+  grpc_exec_ctx_finish(&exec_ctx);
+
+  return pr.port;
+}
+
+#endif  // GRPC_TEST_PICK_PORT
diff --git a/test/core/util/port_server_client.h b/test/core/util/port_server_client.h
new file mode 100644
index 0000000000000000000000000000000000000000..437006495c910d20462290be93a32561673dc673
--- /dev/null
+++ b/test/core/util/port_server_client.h
@@ -0,0 +1,42 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_TEST_CORE_UTIL_PORT_SERVER_CLIENT_H
+#define GRPC_TEST_CORE_UTIL_PORT_SERVER_CLIENT_H
+
+// C interface to port_server.py
+
+int grpc_pick_port_using_server(char *server);
+void grpc_free_port_using_server(char *server, int port);
+
+#endif  // GRPC_TEST_CORE_UTIL_PORT_SERVER_CLIENT_H
diff --git a/test/core/util/port_windows.c b/test/core/util/port_windows.c
index 3b20aeb71827906aac51d470fdad3964076766a6..2b6d3dd223c8839c471a1f5f0137c67708e6e75d 100644
--- a/test/core/util/port_windows.c
+++ b/test/core/util/port_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,18 +37,19 @@
 
 #include "test/core/util/port.h"
 
+#include <errno.h>
 #include <process.h>
 #include <stdio.h>
-#include <errno.h>
 #include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/support/env.h"
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/iomgr/sockaddr_utils.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/support/env.h"
+#include "test/core/util/port_server_client.h"
 
 #define NUM_RANDOM_PORTS_TO_PICK 100
 
@@ -65,7 +66,18 @@ static int has_port_been_chosen(int port) {
   return 0;
 }
 
-static void free_chosen_ports(void) { gpr_free(chosen_ports); }
+static void free_chosen_ports(void) {
+  char *env = gpr_getenv("GRPC_TEST_PORT_SERVER");
+  if (env != NULL) {
+    size_t i;
+    for (i = 0; i < num_chosen_ports; i++) {
+      grpc_free_port_using_server(env, chosen_ports[i]);
+    }
+    gpr_free(env);
+  }
+
+  gpr_free(chosen_ports);
+}
 
 static void chose_port(int port) {
   if (chosen_ports == NULL) {
@@ -128,80 +140,6 @@ static int is_port_available(int *port, int is_tcp) {
   return 1;
 }
 
-typedef struct portreq {
-  grpc_pollset *pollset;
-  gpr_mu *mu;
-  int port;
-} portreq;
-
-static void got_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
-                                 const grpc_httpcli_response *response) {
-  size_t i;
-  int port = 0;
-  portreq *pr = arg;
-  GPR_ASSERT(response);
-  GPR_ASSERT(response->status == 200);
-  for (i = 0; i < response->body_length; i++) {
-    GPR_ASSERT(response->body[i] >= '0' && response->body[i] <= '9');
-    port = port * 10 + response->body[i] - '0';
-  }
-  GPR_ASSERT(port > 1024);
-  gpr_mu_lock(pr->mu);
-  pr->port = port;
-  grpc_pollset_kick(pr->pollset, NULL);
-  gpr_mu_unlock(pr->mu);
-}
-
-static void destroy_pollset_and_shutdown(grpc_exec_ctx *exec_ctx, void *p,
-                                         bool success) {
-  grpc_pollset_destroy(p);
-  grpc_shutdown();
-}
-
-static int pick_port_using_server(char *server) {
-  grpc_httpcli_context context;
-  grpc_httpcli_request req;
-  portreq pr;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_closure destroy_pollset_closure;
-
-  grpc_init();
-
-  memset(&pr, 0, sizeof(pr));
-  memset(&req, 0, sizeof(req));
-  pr.pollset = gpr_malloc(grpc_pollset_size());
-  grpc_pollset_init(pr.pollset, &pr.mu);
-  pr.port = -1;
-
-  req.host = server;
-  req.path = "/get";
-
-  grpc_httpcli_context_init(&context);
-  grpc_httpcli_get(&exec_ctx, &context, pr.pollset, &req,
-                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
-                   &pr);
-  gpr_mu_lock(pr.mu);
-  while (pr.port == -1) {
-    grpc_pollset_worker *worker = NULL;
-    grpc_pollset_work(&exec_ctx, pr.pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC),
-                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
-    gpr_mu_unlock(pr.mu);
-    grpc_exec_ctx_flush(&exec_ctx);
-    gpr_mu_lock(pr.mu);
-  }
-  gpr_mu_unlock(pr.mu);
-
-  grpc_httpcli_context_destroy(&context);
-  grpc_closure_init(&destroy_pollset_closure, destroy_pollset_and_shutdown,
-                    &pr.pollset);
-  grpc_pollset_shutdown(&exec_ctx, pr.pollset, &destroy_pollset_closure);
-  gpr_free(pr.pollset);
-
-  grpc_exec_ctx_finish(&exec_ctx);
-  return pr.port;
-}
-
 int grpc_pick_unused_port(void) {
   /* We repeatedly pick a port and then see whether or not it is
      available for use both as a TCP socket and a UDP socket.  First, we
@@ -221,7 +159,7 @@ int grpc_pick_unused_port(void) {
 
   char *env = gpr_getenv("GRPC_TEST_PORT_SERVER");
   if (env) {
-    int port = pick_port_using_server(env);
+    int port = grpc_pick_port_using_server(env);
     gpr_free(env);
     if (port != 0) {
       return port;
diff --git a/test/core/util/reconnect_server.c b/test/core/util/reconnect_server.c
index 57225aa8a336fc29008109efd4f9bed283447cf5..d408374a0955e7b63c6963d093f96fb438734129 100644
--- a/test/core/util/reconnect_server.c
+++ b/test/core/util/reconnect_server.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,9 +40,9 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 #include <string.h>
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/tcp_server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_tcp_server.h"
 
@@ -60,8 +60,12 @@ static void pretty_print_backoffs(reconnect_server *server) {
             i, backoff / 1000.0, expected_backoff / 1000.0,
             (backoff - expected_backoff) * 100.0 / expected_backoff);
     expected_backoff *= 1.6;
-    if (expected_backoff > 120 * 1000) {
-      expected_backoff = 120 * 1000;
+    int max_reconnect_backoff_ms = 120 * 1000;
+    if (server->max_reconnect_backoff_ms > 0) {
+      max_reconnect_backoff_ms = server->max_reconnect_backoff_ms;
+    }
+    if (expected_backoff > max_reconnect_backoff_ms) {
+      expected_backoff = max_reconnect_backoff_ms;
     }
   }
 }
@@ -108,6 +112,7 @@ void reconnect_server_init(reconnect_server *server) {
   server->head = NULL;
   server->tail = NULL;
   server->peer = NULL;
+  server->max_reconnect_backoff_ms = 0;
 }
 
 void reconnect_server_start(reconnect_server *server, int port) {
diff --git a/test/core/util/reconnect_server.h b/test/core/util/reconnect_server.h
index e2e6a02461a31c05ac9e8ed5f6ec7e80a7491883..ed02d4951274dcaed9cf559fc1b5f48df147393c 100644
--- a/test/core/util/reconnect_server.h
+++ b/test/core/util/reconnect_server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -52,6 +52,7 @@ typedef struct reconnect_server {
   timestamp_list *head;
   timestamp_list *tail;
   char *peer;
+  int max_reconnect_backoff_ms;
 } reconnect_server;
 
 void reconnect_server_init(reconnect_server *server);
diff --git a/test/core/util/test_config.c b/test/core/util/test_config.c
index bf672e8f677f6cd4e55c01a3e858d2343ab358a2..3155a4ece6aad2e7ff40ba67520f2837e5b51e05 100644
--- a/test/core/util/test_config.c
+++ b/test/core/util/test_config.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,7 +39,7 @@
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 double g_fixture_slowdown_factor = 1.0;
 
@@ -99,6 +99,7 @@ static void print_current_stack() {
     SymFromAddrW(process, (DWORD64)(callers_stack[i]), 0, symbol);
     fwprintf(stderr, L"*** %d: %016I64X %ls - %016I64X\n", i,
              (DWORD64)callers_stack[i], symbol->Name, (DWORD64)symbol->Address);
+    fflush(stderr);
   }
 
   free(symbol);
@@ -154,6 +155,7 @@ static void print_stack_from_context(CONTEXT c) {
     fwprintf(
         stderr, L"*** %016I64X %ls - %016I64X\n", (DWORD64)(s.AddrPC.Offset),
         has_symbol ? symbol->Name : L"<<no symbol>>", (DWORD64)symbol->Address);
+    fflush(stderr);
   }
 
   free(symbol);
diff --git a/test/core/util/test_config.h b/test/core/util/test_config.h
index f6bb2e1f72a2317bca2acf0e18cbff00d04f4609..76686f1c51b8e49e43a1f444bded88aeccc8b11b 100644
--- a/test/core/util/test_config.h
+++ b/test/core/util/test_config.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/util/test_tcp_server.c b/test/core/util/test_tcp_server.c
index ab379441d8c6c57f8437566db7278225ac6a7f4f..e39a95712c9c67762bfec20fec8f5559c545a342 100644
--- a/test/core/util/test_tcp_server.c
+++ b/test/core/util/test_tcp_server.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,9 +40,9 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 #include <string.h>
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/tcp_server.h"
 #include "test/core/util/port.h"
 
 static void on_server_destroyed(grpc_exec_ctx *exec_ctx, void *data,
diff --git a/test/core/util/test_tcp_server.h b/test/core/util/test_tcp_server.h
index 15fcb4fb873ab3ccf1be390966d8bf19f86ff79b..d10b166586353d4422050843058d4f40d6f7f963 100644
--- a/test/core/util/test_tcp_server.h
+++ b/test/core/util/test_tcp_server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,7 +35,7 @@
 #define GRPC_TEST_CORE_UTIL_TEST_TCP_SERVER_H
 
 #include <grpc/support/sync.h>
-#include "src/core/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/tcp_server.h"
 
 typedef struct test_tcp_server {
   grpc_tcp_server *tcp_server;
diff --git a/test/cpp/codegen/codegen_test_full.cc b/test/cpp/codegen/codegen_test_full.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4500540baffedcc77f9ab71465dcf2ae58c70279
--- /dev/null
+++ b/test/cpp/codegen/codegen_test_full.cc
@@ -0,0 +1,56 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc++/completion_queue.h>
+#include <gtest/gtest.h>
+
+namespace grpc {
+namespace {
+
+class CodegenTestFull : public ::testing::Test {};
+
+TEST_F(CodegenTestFull, Init) {
+  grpc::CompletionQueue cq;
+  void* tag;
+  bool ok;
+  cq.AsyncNext(&tag, &ok, gpr_time_0(GPR_CLOCK_REALTIME));
+  ASSERT_FALSE(ok);
+}
+
+}  // namespace
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
diff --git a/test/cpp/codegen/codegen_test.cc b/test/cpp/codegen/codegen_test_minimal.cc
similarity index 95%
rename from test/cpp/codegen/codegen_test.cc
rename to test/cpp/codegen/codegen_test_minimal.cc
index 735755a5d06bce4637a2e989eb03d23a5584cb2e..d660a6ce4df3397726446a1d71423685527936c8 100644
--- a/test/cpp/codegen/codegen_test.cc
+++ b/test/cpp/codegen/codegen_test_minimal.cc
@@ -36,9 +36,9 @@
 namespace grpc {
 namespace {
 
-class CodegenTest : public ::testing::Test {};
+class CodegenTestMinimal : public ::testing::Test {};
 
-TEST_F(CodegenTest, Build) {}
+TEST_F(CodegenTestMinimal, Build) {}
 
 }  // namespace
 }  // namespace grpc
diff --git a/test/cpp/codegen/compiler_test_golden b/test/cpp/codegen/compiler_test_golden
new file mode 100644
index 0000000000000000000000000000000000000000..ef3d1aaa510495992ac431a7eacc9bb3fe51fec3
--- /dev/null
+++ b/test/cpp/codegen/compiler_test_golden
@@ -0,0 +1,294 @@
+// Generated by the gRPC protobuf plugin.
+// If you make any local change, they will be lost.
+// source: src/proto/grpc/testing/compiler_test.proto
+// Original file comments:
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// File detached comment 1
+//
+// File detached comment 2
+//
+// File leading comment 1
+#ifndef GRPC_src_2fproto_2fgrpc_2ftesting_2fcompiler_5ftest_2eproto__INCLUDED
+#define GRPC_src_2fproto_2fgrpc_2ftesting_2fcompiler_5ftest_2eproto__INCLUDED
+
+#include "src/proto/grpc/testing/compiler_test.pb.h"
+
+#include <grpc++/impl/codegen/async_stream.h>
+#include <grpc++/impl/codegen/async_unary_call.h>
+#include <grpc++/impl/codegen/proto_utils.h>
+#include <grpc++/impl/codegen/rpc_method.h>
+#include <grpc++/impl/codegen/service_type.h>
+#include <grpc++/impl/codegen/status.h>
+#include <grpc++/impl/codegen/stub_options.h>
+#include <grpc++/impl/codegen/sync_stream.h>
+
+namespace grpc {
+class CompletionQueue;
+class Channel;
+class RpcService;
+class ServerCompletionQueue;
+class ServerContext;
+}  // namespace grpc
+
+namespace grpc {
+namespace testing {
+
+// ServiceA detached comment 1
+//
+// ServiceA detached comment 2
+//
+// ServiceA leading comment 1
+class ServiceA GRPC_FINAL {
+ public:
+  class StubInterface {
+   public:
+    virtual ~StubInterface() {}
+    // MethodA1 leading comment 1
+    virtual ::grpc::Status MethodA1(::grpc::ClientContext* context, const ::grpc::testing::Request& request, ::grpc::testing::Response* response) = 0;
+    std::unique_ptr< ::grpc::ClientAsyncResponseReaderInterface< ::grpc::testing::Response>> AsyncMethodA1(::grpc::ClientContext* context, const ::grpc::testing::Request& request, ::grpc::CompletionQueue* cq) {
+      return std::unique_ptr< ::grpc::ClientAsyncResponseReaderInterface< ::grpc::testing::Response>>(AsyncMethodA1Raw(context, request, cq));
+    }
+    // MethodA1 trailing comment 1
+    // MethodA2 detached leading comment 1
+    //
+    // Method A2 leading comment 1
+    // Method A2 leading comment 2
+    std::unique_ptr< ::grpc::ClientWriterInterface< ::grpc::testing::Request>> MethodA2(::grpc::ClientContext* context, ::grpc::testing::Response* response) {
+      return std::unique_ptr< ::grpc::ClientWriterInterface< ::grpc::testing::Request>>(MethodA2Raw(context, response));
+    }
+    std::unique_ptr< ::grpc::ClientAsyncWriterInterface< ::grpc::testing::Request>> AsyncMethodA2(::grpc::ClientContext* context, ::grpc::testing::Response* response, ::grpc::CompletionQueue* cq, void* tag) {
+      return std::unique_ptr< ::grpc::ClientAsyncWriterInterface< ::grpc::testing::Request>>(AsyncMethodA2Raw(context, response, cq, tag));
+    }
+    // MethodA2 trailing comment 1
+  private:
+    virtual ::grpc::ClientAsyncResponseReaderInterface< ::grpc::testing::Response>* AsyncMethodA1Raw(::grpc::ClientContext* context, const ::grpc::testing::Request& request, ::grpc::CompletionQueue* cq) = 0;
+    virtual ::grpc::ClientWriterInterface< ::grpc::testing::Request>* MethodA2Raw(::grpc::ClientContext* context, ::grpc::testing::Response* response) = 0;
+    virtual ::grpc::ClientAsyncWriterInterface< ::grpc::testing::Request>* AsyncMethodA2Raw(::grpc::ClientContext* context, ::grpc::testing::Response* response, ::grpc::CompletionQueue* cq, void* tag) = 0;
+  };
+  class Stub GRPC_FINAL : public StubInterface {
+   public:
+    Stub(const std::shared_ptr< ::grpc::ChannelInterface>& channel);
+    ::grpc::Status MethodA1(::grpc::ClientContext* context, const ::grpc::testing::Request& request, ::grpc::testing::Response* response) GRPC_OVERRIDE;
+    std::unique_ptr< ::grpc::ClientAsyncResponseReader< ::grpc::testing::Response>> AsyncMethodA1(::grpc::ClientContext* context, const ::grpc::testing::Request& request, ::grpc::CompletionQueue* cq) {
+      return std::unique_ptr< ::grpc::ClientAsyncResponseReader< ::grpc::testing::Response>>(AsyncMethodA1Raw(context, request, cq));
+    }
+    std::unique_ptr< ::grpc::ClientWriter< ::grpc::testing::Request>> MethodA2(::grpc::ClientContext* context, ::grpc::testing::Response* response) {
+      return std::unique_ptr< ::grpc::ClientWriter< ::grpc::testing::Request>>(MethodA2Raw(context, response));
+    }
+    std::unique_ptr< ::grpc::ClientAsyncWriter< ::grpc::testing::Request>> AsyncMethodA2(::grpc::ClientContext* context, ::grpc::testing::Response* response, ::grpc::CompletionQueue* cq, void* tag) {
+      return std::unique_ptr< ::grpc::ClientAsyncWriter< ::grpc::testing::Request>>(AsyncMethodA2Raw(context, response, cq, tag));
+    }
+
+   private:
+    std::shared_ptr< ::grpc::ChannelInterface> channel_;
+    ::grpc::ClientAsyncResponseReader< ::grpc::testing::Response>* AsyncMethodA1Raw(::grpc::ClientContext* context, const ::grpc::testing::Request& request, ::grpc::CompletionQueue* cq) GRPC_OVERRIDE;
+    ::grpc::ClientWriter< ::grpc::testing::Request>* MethodA2Raw(::grpc::ClientContext* context, ::grpc::testing::Response* response) GRPC_OVERRIDE;
+    ::grpc::ClientAsyncWriter< ::grpc::testing::Request>* AsyncMethodA2Raw(::grpc::ClientContext* context, ::grpc::testing::Response* response, ::grpc::CompletionQueue* cq, void* tag) GRPC_OVERRIDE;
+    const ::grpc::RpcMethod rpcmethod_MethodA1_;
+    const ::grpc::RpcMethod rpcmethod_MethodA2_;
+  };
+  static std::unique_ptr<Stub> NewStub(const std::shared_ptr< ::grpc::ChannelInterface>& channel, const ::grpc::StubOptions& options = ::grpc::StubOptions());
+
+  class Service : public ::grpc::Service {
+   public:
+    Service();
+    virtual ~Service();
+    // MethodA1 leading comment 1
+    virtual ::grpc::Status MethodA1(::grpc::ServerContext* context, const ::grpc::testing::Request* request, ::grpc::testing::Response* response);
+    // MethodA1 trailing comment 1
+    // MethodA2 detached leading comment 1
+    //
+    // Method A2 leading comment 1
+    // Method A2 leading comment 2
+    virtual ::grpc::Status MethodA2(::grpc::ServerContext* context, ::grpc::ServerReader< ::grpc::testing::Request>* reader, ::grpc::testing::Response* response);
+    // MethodA2 trailing comment 1
+  };
+  template <class BaseClass>
+  class WithAsyncMethod_MethodA1 : public BaseClass {
+   private:
+    void BaseClassMustBeDerivedFromService(const Service *service) {}
+   public:
+    WithAsyncMethod_MethodA1() {
+      ::grpc::Service::MarkMethodAsync(0);
+    }
+    ~WithAsyncMethod_MethodA1() GRPC_OVERRIDE {
+      BaseClassMustBeDerivedFromService(this);
+    }
+    // disable synchronous version of this method
+    ::grpc::Status MethodA1(::grpc::ServerContext* context, const ::grpc::testing::Request* request, ::grpc::testing::Response* response) GRPC_FINAL GRPC_OVERRIDE {
+      abort();
+      return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, "");
+    }
+    void RequestMethodA1(::grpc::ServerContext* context, ::grpc::testing::Request* request, ::grpc::ServerAsyncResponseWriter< ::grpc::testing::Response>* response, ::grpc::CompletionQueue* new_call_cq, ::grpc::ServerCompletionQueue* notification_cq, void *tag) {
+      ::grpc::Service::RequestAsyncUnary(0, context, request, response, new_call_cq, notification_cq, tag);
+    }
+  };
+  template <class BaseClass>
+  class WithAsyncMethod_MethodA2 : public BaseClass {
+   private:
+    void BaseClassMustBeDerivedFromService(const Service *service) {}
+   public:
+    WithAsyncMethod_MethodA2() {
+      ::grpc::Service::MarkMethodAsync(1);
+    }
+    ~WithAsyncMethod_MethodA2() GRPC_OVERRIDE {
+      BaseClassMustBeDerivedFromService(this);
+    }
+    // disable synchronous version of this method
+    ::grpc::Status MethodA2(::grpc::ServerContext* context, ::grpc::ServerReader< ::grpc::testing::Request>* reader, ::grpc::testing::Response* response) GRPC_FINAL GRPC_OVERRIDE {
+      abort();
+      return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, "");
+    }
+    void RequestMethodA2(::grpc::ServerContext* context, ::grpc::ServerAsyncReader< ::grpc::testing::Response, ::grpc::testing::Request>* reader, ::grpc::CompletionQueue* new_call_cq, ::grpc::ServerCompletionQueue* notification_cq, void *tag) {
+      ::grpc::Service::RequestAsyncClientStreaming(1, context, reader, new_call_cq, notification_cq, tag);
+    }
+  };
+  typedef WithAsyncMethod_MethodA1<WithAsyncMethod_MethodA2<Service > > AsyncService;
+  template <class BaseClass>
+  class WithGenericMethod_MethodA1 : public BaseClass {
+   private:
+    void BaseClassMustBeDerivedFromService(const Service *service) {}
+   public:
+    WithGenericMethod_MethodA1() {
+      ::grpc::Service::MarkMethodGeneric(0);
+    }
+    ~WithGenericMethod_MethodA1() GRPC_OVERRIDE {
+      BaseClassMustBeDerivedFromService(this);
+    }
+    // disable synchronous version of this method
+    ::grpc::Status MethodA1(::grpc::ServerContext* context, const ::grpc::testing::Request* request, ::grpc::testing::Response* response) GRPC_FINAL GRPC_OVERRIDE {
+      abort();
+      return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, "");
+    }
+  };
+  template <class BaseClass>
+  class WithGenericMethod_MethodA2 : public BaseClass {
+   private:
+    void BaseClassMustBeDerivedFromService(const Service *service) {}
+   public:
+    WithGenericMethod_MethodA2() {
+      ::grpc::Service::MarkMethodGeneric(1);
+    }
+    ~WithGenericMethod_MethodA2() GRPC_OVERRIDE {
+      BaseClassMustBeDerivedFromService(this);
+    }
+    // disable synchronous version of this method
+    ::grpc::Status MethodA2(::grpc::ServerContext* context, ::grpc::ServerReader< ::grpc::testing::Request>* reader, ::grpc::testing::Response* response) GRPC_FINAL GRPC_OVERRIDE {
+      abort();
+      return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, "");
+    }
+  };
+};
+
+// ServiceB leading comment 1
+class ServiceB GRPC_FINAL {
+ public:
+  class StubInterface {
+   public:
+    virtual ~StubInterface() {}
+    // MethodB1 leading comment 1
+    virtual ::grpc::Status MethodB1(::grpc::ClientContext* context, const ::grpc::testing::Request& request, ::grpc::testing::Response* response) = 0;
+    std::unique_ptr< ::grpc::ClientAsyncResponseReaderInterface< ::grpc::testing::Response>> AsyncMethodB1(::grpc::ClientContext* context, const ::grpc::testing::Request& request, ::grpc::CompletionQueue* cq) {
+      return std::unique_ptr< ::grpc::ClientAsyncResponseReaderInterface< ::grpc::testing::Response>>(AsyncMethodB1Raw(context, request, cq));
+    }
+    // MethodB1 trailing comment 1
+  private:
+    virtual ::grpc::ClientAsyncResponseReaderInterface< ::grpc::testing::Response>* AsyncMethodB1Raw(::grpc::ClientContext* context, const ::grpc::testing::Request& request, ::grpc::CompletionQueue* cq) = 0;
+  };
+  class Stub GRPC_FINAL : public StubInterface {
+   public:
+    Stub(const std::shared_ptr< ::grpc::ChannelInterface>& channel);
+    ::grpc::Status MethodB1(::grpc::ClientContext* context, const ::grpc::testing::Request& request, ::grpc::testing::Response* response) GRPC_OVERRIDE;
+    std::unique_ptr< ::grpc::ClientAsyncResponseReader< ::grpc::testing::Response>> AsyncMethodB1(::grpc::ClientContext* context, const ::grpc::testing::Request& request, ::grpc::CompletionQueue* cq) {
+      return std::unique_ptr< ::grpc::ClientAsyncResponseReader< ::grpc::testing::Response>>(AsyncMethodB1Raw(context, request, cq));
+    }
+
+   private:
+    std::shared_ptr< ::grpc::ChannelInterface> channel_;
+    ::grpc::ClientAsyncResponseReader< ::grpc::testing::Response>* AsyncMethodB1Raw(::grpc::ClientContext* context, const ::grpc::testing::Request& request, ::grpc::CompletionQueue* cq) GRPC_OVERRIDE;
+    const ::grpc::RpcMethod rpcmethod_MethodB1_;
+  };
+  static std::unique_ptr<Stub> NewStub(const std::shared_ptr< ::grpc::ChannelInterface>& channel, const ::grpc::StubOptions& options = ::grpc::StubOptions());
+
+  class Service : public ::grpc::Service {
+   public:
+    Service();
+    virtual ~Service();
+    // MethodB1 leading comment 1
+    virtual ::grpc::Status MethodB1(::grpc::ServerContext* context, const ::grpc::testing::Request* request, ::grpc::testing::Response* response);
+    // MethodB1 trailing comment 1
+  };
+  template <class BaseClass>
+  class WithAsyncMethod_MethodB1 : public BaseClass {
+   private:
+    void BaseClassMustBeDerivedFromService(const Service *service) {}
+   public:
+    WithAsyncMethod_MethodB1() {
+      ::grpc::Service::MarkMethodAsync(0);
+    }
+    ~WithAsyncMethod_MethodB1() GRPC_OVERRIDE {
+      BaseClassMustBeDerivedFromService(this);
+    }
+    // disable synchronous version of this method
+    ::grpc::Status MethodB1(::grpc::ServerContext* context, const ::grpc::testing::Request* request, ::grpc::testing::Response* response) GRPC_FINAL GRPC_OVERRIDE {
+      abort();
+      return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, "");
+    }
+    void RequestMethodB1(::grpc::ServerContext* context, ::grpc::testing::Request* request, ::grpc::ServerAsyncResponseWriter< ::grpc::testing::Response>* response, ::grpc::CompletionQueue* new_call_cq, ::grpc::ServerCompletionQueue* notification_cq, void *tag) {
+      ::grpc::Service::RequestAsyncUnary(0, context, request, response, new_call_cq, notification_cq, tag);
+    }
+  };
+  typedef WithAsyncMethod_MethodB1<Service > AsyncService;
+  template <class BaseClass>
+  class WithGenericMethod_MethodB1 : public BaseClass {
+   private:
+    void BaseClassMustBeDerivedFromService(const Service *service) {}
+   public:
+    WithGenericMethod_MethodB1() {
+      ::grpc::Service::MarkMethodGeneric(0);
+    }
+    ~WithGenericMethod_MethodB1() GRPC_OVERRIDE {
+      BaseClassMustBeDerivedFromService(this);
+    }
+    // disable synchronous version of this method
+    ::grpc::Status MethodB1(::grpc::ServerContext* context, const ::grpc::testing::Request* request, ::grpc::testing::Response* response) GRPC_FINAL GRPC_OVERRIDE {
+      abort();
+      return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, "");
+    }
+  };
+};
+// ServiceB trailing comment 1
+
+}  // namespace testing
+}  // namespace grpc
+
+
+#endif  // GRPC_src_2fproto_2fgrpc_2ftesting_2fcompiler_5ftest_2eproto__INCLUDED
diff --git a/test/cpp/codegen/golden_file_test.cc b/test/cpp/codegen/golden_file_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ec08d08de6677ac2cd816e7b702147b6eed09158
--- /dev/null
+++ b/test/cpp/codegen/golden_file_test.cc
@@ -0,0 +1,64 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <fstream>
+#include <sstream>
+
+#include <gtest/gtest.h>
+
+// These paths rely on the fact that we run our tests under grpc/
+const char kGeneratedFilePath[] =
+    "gens/src/proto/grpc/testing/compiler_test.grpc.pb.h";
+const char kGoldenFilePath[] = "test/cpp/codegen/compiler_test_golden";
+
+TEST(GoldenFileTest, TestGeneratedFile) {
+  std::ifstream generated(kGeneratedFilePath);
+  std::ifstream golden(kGoldenFilePath);
+
+  ASSERT_TRUE(generated.good());
+  ASSERT_TRUE(golden.good());
+
+  std::ostringstream gen_oss;
+  std::ostringstream gold_oss;
+  gen_oss << generated.rdbuf();
+  gold_oss << golden.rdbuf();
+  EXPECT_EQ(gold_oss.str(), gen_oss.str());
+
+  generated.close();
+  golden.close();
+}
+
+int main(int argc, char **argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
diff --git a/test/cpp/common/alarm_cpp_test.cc b/test/cpp/common/alarm_cpp_test.cc
index d4381c051589cd1477d9e05bd7922daadbc76412..a05ac30b1c75535c9c198494cc86d5677aaab8ae 100644
--- a/test/cpp/common/alarm_cpp_test.cc
+++ b/test/cpp/common/alarm_cpp_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/common/auth_property_iterator_test.cc b/test/cpp/common/auth_property_iterator_test.cc
index a629ff5a904dee41d3e3b22a998b4410ce2b9b29..0e43d4e1e0dd5b6c0fd4ba4314615b86ace76b33 100644
--- a/test/cpp/common/auth_property_iterator_test.cc
+++ b/test/cpp/common/auth_property_iterator_test.cc
@@ -31,14 +31,14 @@
  *
  */
 
-#include <grpc/grpc_security.h>
 #include <grpc++/security/auth_context.h>
+#include <grpc/grpc_security.h>
 #include <gtest/gtest.h>
 #include "src/cpp/common/secure_auth_context.h"
 #include "test/cpp/util/string_ref_helper.h"
 
 extern "C" {
-#include "src/core/security/security_context.h"
+#include "src/core/lib/security/security_context.h"
 }
 
 using ::grpc::testing::ToString;
diff --git a/test/cpp/common/channel_arguments_test.cc b/test/cpp/common/channel_arguments_test.cc
index a4821b4d0baa984c059b142bc06b7636729422f7..1443eb2f68d27ced57d20ebbea77bedf6e28715d 100644
--- a/test/cpp/common/channel_arguments_test.cc
+++ b/test/cpp/common/channel_arguments_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/common/secure_auth_context_test.cc b/test/cpp/common/secure_auth_context_test.cc
index 11de646999f31c5f10fa2e61da5b8b13502ba66e..067361334d911a9fb90d74b66237fae09587a3ca 100644
--- a/test/cpp/common/secure_auth_context_test.cc
+++ b/test/cpp/common/secure_auth_context_test.cc
@@ -31,14 +31,14 @@
  *
  */
 
-#include <grpc/grpc_security.h>
+#include "src/cpp/common/secure_auth_context.h"
 #include <grpc++/security/auth_context.h>
+#include <grpc/grpc_security.h>
 #include <gtest/gtest.h>
-#include "src/cpp/common/secure_auth_context.h"
 #include "test/cpp/util/string_ref_helper.h"
 
 extern "C" {
-#include "src/core/security/security_context.h"
+#include "src/core/lib/security/security_context.h"
 }
 
 using grpc::testing::ToString;
diff --git a/test/cpp/end2end/async_end2end_test.cc b/test/cpp/end2end/async_end2end_test.cc
index dc8c2bb6e5b94d9dc86f2c625305a524bdbe790a..7e4d6046d6048cb593a80cf1c69a0e0509856b7c 100644
--- a/test/cpp/end2end/async_end2end_test.cc
+++ b/test/cpp/end2end/async_end2end_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -53,7 +53,7 @@
 #include "test/cpp/util/string_ref_helper.h"
 
 #ifdef GPR_POSIX_SOCKET
-#include "src/core/iomgr/pollset_posix.h"
+#include "src/core/lib/iomgr/ev_posix.h"
 #endif
 
 using grpc::testing::EchoRequest;
diff --git a/test/cpp/end2end/client_crash_test.cc b/test/cpp/end2end/client_crash_test.cc
index 5ca5cd7e999641291dcedc571df5c643b43079da..30b04fb9b9bdbc77866610a1436fd1302a2672e4 100644
--- a/test/cpp/end2end/client_crash_test.cc
+++ b/test/cpp/end2end/client_crash_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -88,6 +88,7 @@ TEST_F(CrashTest, KillBeforeWrite) {
   EchoRequest request;
   EchoResponse response;
   ClientContext context;
+  context.set_fail_fast(false);
 
   auto stream = stub->BidiStream(&context);
 
@@ -113,6 +114,7 @@ TEST_F(CrashTest, KillAfterWrite) {
   EchoRequest request;
   EchoResponse response;
   ClientContext context;
+  context.set_fail_fast(false);
 
   auto stream = stub->BidiStream(&context);
 
diff --git a/test/cpp/end2end/client_crash_test_server.cc b/test/cpp/end2end/client_crash_test_server.cc
index 1ec641cb5a3a1562106e797ac97a6840159955ac..9568ca26be70b026ad265650d491c8d4275f7887 100644
--- a/test/cpp/end2end/client_crash_test_server.cc
+++ b/test/cpp/end2end/client_crash_test_server.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/end2end/end2end_test.cc b/test/cpp/end2end/end2end_test.cc
index 475981832207bf7c6c3683e23fb6456badc94cfb..0c9313f88f0d7e8ef09ade3ee458de00058d85e4 100644
--- a/test/cpp/end2end/end2end_test.cc
+++ b/test/cpp/end2end/end2end_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -48,7 +48,7 @@
 #include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
diff --git a/test/cpp/end2end/generic_end2end_test.cc b/test/cpp/end2end/generic_end2end_test.cc
index 4e6d50ea80f0744e8f963342b688f63b9faccb84..d0cf6aea9dabb914e2f07a07445fdb83dd120427 100644
--- a/test/cpp/end2end/generic_end2end_test.cc
+++ b/test/cpp/end2end/generic_end2end_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -135,6 +135,8 @@ class GenericEnd2endTest : public ::testing::Test {
       std::unique_ptr<ByteBuffer> send_buffer =
           SerializeToByteBuffer(&send_request);
       call->Write(*send_buffer, tag(2));
+      // Send ByteBuffer can be destroyed after calling Write.
+      send_buffer.reset();
       client_ok(2);
       call->WritesDone(tag(3));
       client_ok(3);
@@ -154,6 +156,7 @@ class GenericEnd2endTest : public ::testing::Test {
       send_response.set_message(recv_request.message());
       send_buffer = SerializeToByteBuffer(&send_response);
       stream.Write(*send_buffer, tag(6));
+      send_buffer.reset();
       server_ok(6);
 
       stream.Finish(Status::OK, tag(7));
@@ -223,6 +226,7 @@ TEST_F(GenericEnd2endTest, SimpleBidiStreaming) {
   std::unique_ptr<ByteBuffer> send_buffer =
       SerializeToByteBuffer(&send_request);
   cli_stream->Write(*send_buffer, tag(3));
+  send_buffer.reset();
   client_ok(3);
 
   ByteBuffer recv_buffer;
@@ -234,6 +238,7 @@ TEST_F(GenericEnd2endTest, SimpleBidiStreaming) {
   send_response.set_message(recv_request.message());
   send_buffer = SerializeToByteBuffer(&send_response);
   srv_stream.Write(*send_buffer, tag(5));
+  send_buffer.reset();
   server_ok(5);
 
   cli_stream->Read(&recv_buffer, tag(6));
diff --git a/test/cpp/end2end/hybrid_end2end_test.cc b/test/cpp/end2end/hybrid_end2end_test.cc
index c72e20628f992607e0d5023dcb6de0c796301de8..02043a89d3a51027f8c736f5175d5f2b5af33543 100644
--- a/test/cpp/end2end/hybrid_end2end_test.cc
+++ b/test/cpp/end2end/hybrid_end2end_test.cc
@@ -356,7 +356,8 @@ TEST_F(HybridEnd2endTest, AsyncEcho) {
 
 TEST_F(HybridEnd2endTest, AsyncEchoRequestStream) {
   EchoTestService::WithAsyncMethod_RequestStream<
-      EchoTestService::WithAsyncMethod_Echo<TestServiceImpl> > service;
+      EchoTestService::WithAsyncMethod_Echo<TestServiceImpl> >
+      service;
   SetUpServer(&service, nullptr, nullptr);
   ResetStub();
   std::thread echo_handler_thread(
@@ -436,7 +437,8 @@ TEST_F(HybridEnd2endTest, GenericEcho) {
 
 TEST_F(HybridEnd2endTest, GenericEchoAsyncRequestStream) {
   EchoTestService::WithAsyncMethod_RequestStream<
-      EchoTestService::WithGenericMethod_Echo<TestServiceImpl> > service;
+      EchoTestService::WithGenericMethod_Echo<TestServiceImpl> >
+      service;
   AsyncGenericService generic_service;
   SetUpServer(&service, nullptr, &generic_service);
   ResetStub();
@@ -453,7 +455,8 @@ TEST_F(HybridEnd2endTest, GenericEchoAsyncRequestStream) {
 // Add a second service with one sync method.
 TEST_F(HybridEnd2endTest, GenericEchoAsyncRequestStream_SyncDupService) {
   EchoTestService::WithAsyncMethod_RequestStream<
-      EchoTestService::WithGenericMethod_Echo<TestServiceImpl> > service;
+      EchoTestService::WithGenericMethod_Echo<TestServiceImpl> >
+      service;
   AsyncGenericService generic_service;
   TestServiceImplDupPkg dup_service;
   SetUpServer(&service, &dup_service, &generic_service);
@@ -472,7 +475,8 @@ TEST_F(HybridEnd2endTest, GenericEchoAsyncRequestStream_SyncDupService) {
 // Add a second service with one async method.
 TEST_F(HybridEnd2endTest, GenericEchoAsyncRequestStream_AsyncDupService) {
   EchoTestService::WithAsyncMethod_RequestStream<
-      EchoTestService::WithGenericMethod_Echo<TestServiceImpl> > service;
+      EchoTestService::WithGenericMethod_Echo<TestServiceImpl> >
+      service;
   AsyncGenericService generic_service;
   duplicate::EchoTestService::AsyncService dup_service;
   SetUpServer(&service, &dup_service, &generic_service);
diff --git a/test/cpp/end2end/mock_test.cc b/test/cpp/end2end/mock_test.cc
index 1d29096b86def9da8ed21dee9f16668febed39d3..0ace5d941837b841380da975b4264d47a5b1ea8c 100644
--- a/test/cpp/end2end/mock_test.cc
+++ b/test/cpp/end2end/mock_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/end2end/server_crash_test.cc b/test/cpp/end2end/server_crash_test.cc
index 9bf94236667fe818b521be62e24d45c4699e6487..e4473602764d07283860c5fe836a142f0a15a687 100644
--- a/test/cpp/end2end/server_crash_test.cc
+++ b/test/cpp/end2end/server_crash_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/end2end/server_crash_test_client.cc b/test/cpp/end2end/server_crash_test_client.cc
index b0e6ac6f56dba417ae343684efc498544c4f153b..ece948d5a7302b5daf066ce4971b25e05359d8d2 100644
--- a/test/cpp/end2end/server_crash_test_client.cc
+++ b/test/cpp/end2end/server_crash_test_client.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -63,6 +63,7 @@ int main(int argc, char** argv) {
   EchoRequest request;
   EchoResponse response;
   grpc::ClientContext context;
+  context.set_fail_fast(false);
 
   if (FLAGS_mode == "bidi") {
     auto stream = stub->BidiStream(&context);
diff --git a/test/cpp/end2end/shutdown_test.cc b/test/cpp/end2end/shutdown_test.cc
index dbbda3ac516e13aad0f7becf866cab76e31764be..aa8d42141d49d4e04405aeedfda71d12228a93e3 100644
--- a/test/cpp/end2end/shutdown_test.cc
+++ b/test/cpp/end2end/shutdown_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@
 #include <grpc/support/sync.h>
 #include <gtest/gtest.h>
 
-#include "src/core/support/env.h"
+#include "src/core/lib/support/env.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
diff --git a/test/cpp/end2end/streaming_throughput_test.cc b/test/cpp/end2end/streaming_throughput_test.cc
index 4777b88747349cfd40df09d2665187094dc8a1dd..9e82c307011b8901f7247491196b1695f92f89a0 100644
--- a/test/cpp/end2end/streaming_throughput_test.cc
+++ b/test/cpp/end2end/streaming_throughput_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/end2end/test_service_impl.cc b/test/cpp/end2end/test_service_impl.cc
index fe29c4afe9e0bd39761145ae65423230c1e33994..2f5dd6d49e8602eed8fb6c8f3d0559dc900eb9a4 100644
--- a/test/cpp/end2end/test_service_impl.cc
+++ b/test/cpp/end2end/test_service_impl.cc
@@ -129,10 +129,9 @@ Status TestServiceImpl::Echo(ServerContext* context, const EchoRequest* request,
   if (request->has_param() && request->param().echo_metadata()) {
     const std::multimap<grpc::string_ref, grpc::string_ref>& client_metadata =
         context->client_metadata();
-    for (
-        std::multimap<grpc::string_ref, grpc::string_ref>::const_iterator iter =
-            client_metadata.begin();
-        iter != client_metadata.end(); ++iter) {
+    for (std::multimap<grpc::string_ref, grpc::string_ref>::const_iterator
+             iter = client_metadata.begin();
+         iter != client_metadata.end(); ++iter) {
       context->AddTrailingMetadata(ToString(iter->first),
                                    ToString(iter->second));
     }
diff --git a/test/cpp/end2end/thread_stress_test.cc b/test/cpp/end2end/thread_stress_test.cc
index e246c0b0e2fd4ecf6077e53662528cb59631a021..94541f9a45382fe6201df96fb5ed77a8a7343bd7 100644
--- a/test/cpp/end2end/thread_stress_test.cc
+++ b/test/cpp/end2end/thread_stress_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -45,7 +45,7 @@
 #include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "src/core/surface/api_trace.h"
+#include "src/core/lib/surface/api_trace.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
@@ -58,6 +58,7 @@ using std::chrono::system_clock;
 const int kNumThreads = 100;  // Number of threads
 const int kNumAsyncSendThreads = 2;
 const int kNumAsyncReceiveThreads = 50;
+const int kNumAsyncServerThreads = 50;
 const int kNumRpcs = 1000;  // Number of RPCs per thread
 
 namespace grpc {
@@ -174,23 +175,13 @@ class TestServiceImplDupPkg
   }
 };
 
+template <class Service>
 class CommonStressTest {
  public:
   CommonStressTest() : kMaxMessageSize_(8192) {}
-  void SetUp() {
-    int port = grpc_pick_unused_port_or_die();
-    server_address_ << "localhost:" << port;
-    // Setup server
-    ServerBuilder builder;
-    builder.AddListeningPort(server_address_.str(),
-                             InsecureServerCredentials());
-    builder.RegisterService(&service_);
-    builder.SetMaxMessageSize(
-        kMaxMessageSize_);  // For testing max message size.
-    builder.RegisterService(&dup_pkg_service_);
-    server_ = builder.BuildAndStart();
-  }
-  void TearDown() { server_->Shutdown(); }
+  virtual ~CommonStressTest() {}
+  virtual void SetUp() = 0;
+  virtual void TearDown() = 0;
   void ResetStub() {
     std::shared_ptr<Channel> channel =
         CreateChannel(server_address_.str(), InsecureChannelCredentials());
@@ -198,15 +189,137 @@ class CommonStressTest {
   }
   grpc::testing::EchoTestService::Stub* GetStub() { return stub_.get(); }
 
+ protected:
+  void SetUpStart(ServerBuilder* builder, Service* service) {
+    int port = grpc_pick_unused_port_or_die();
+    server_address_ << "localhost:" << port;
+    // Setup server
+    builder->AddListeningPort(server_address_.str(),
+                              InsecureServerCredentials());
+    builder->RegisterService(service);
+    builder->SetMaxMessageSize(
+        kMaxMessageSize_);  // For testing max message size.
+    builder->RegisterService(&dup_pkg_service_);
+  }
+  void SetUpEnd(ServerBuilder* builder) { server_ = builder->BuildAndStart(); }
+  void TearDownStart() { server_->Shutdown(); }
+  void TearDownEnd() {}
+
  private:
   std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
   std::ostringstream server_address_;
   const int kMaxMessageSize_;
-  TestServiceImpl service_;
   TestServiceImplDupPkg dup_pkg_service_;
 };
 
+class CommonStressTestSyncServer : public CommonStressTest<TestServiceImpl> {
+ public:
+  void SetUp() GRPC_OVERRIDE {
+    ServerBuilder builder;
+    SetUpStart(&builder, &service_);
+    SetUpEnd(&builder);
+  }
+  void TearDown() GRPC_OVERRIDE {
+    TearDownStart();
+    TearDownEnd();
+  }
+
+ private:
+  TestServiceImpl service_;
+};
+
+class CommonStressTestAsyncServer
+    : public CommonStressTest<::grpc::testing::EchoTestService::AsyncService> {
+ public:
+  void SetUp() GRPC_OVERRIDE {
+    shutting_down_ = false;
+    ServerBuilder builder;
+    SetUpStart(&builder, &service_);
+    cq_ = builder.AddCompletionQueue();
+    SetUpEnd(&builder);
+    contexts_ = new Context[kNumAsyncServerThreads * 100];
+    for (int i = 0; i < kNumAsyncServerThreads * 100; i++) {
+      RefreshContext(i);
+    }
+    for (int i = 0; i < kNumAsyncServerThreads; i++) {
+      server_threads_.push_back(
+          new std::thread(&CommonStressTestAsyncServer::ProcessRpcs, this));
+    }
+  }
+  void TearDown() GRPC_OVERRIDE {
+    {
+      unique_lock<mutex> l(mu_);
+      TearDownStart();
+      shutting_down_ = true;
+      cq_->Shutdown();
+    }
+
+    for (int i = 0; i < kNumAsyncServerThreads; i++) {
+      server_threads_[i]->join();
+      delete server_threads_[i];
+    }
+
+    void* ignored_tag;
+    bool ignored_ok;
+    while (cq_->Next(&ignored_tag, &ignored_ok))
+      ;
+    TearDownEnd();
+    delete[] contexts_;
+  }
+
+ private:
+  void ProcessRpcs() {
+    void* tag;
+    bool ok;
+    while (cq_->Next(&tag, &ok)) {
+      if (ok) {
+        int i = static_cast<int>(reinterpret_cast<intptr_t>(tag));
+        switch (contexts_[i].state) {
+          case Context::READY: {
+            contexts_[i].state = Context::DONE;
+            EchoResponse send_response;
+            send_response.set_message(contexts_[i].recv_request.message());
+            contexts_[i].response_writer->Finish(send_response, Status::OK,
+                                                 tag);
+            break;
+          }
+          case Context::DONE:
+            RefreshContext(i);
+            break;
+        }
+      }
+    }
+  }
+  void RefreshContext(int i) {
+    unique_lock<mutex> l(mu_);
+    if (!shutting_down_) {
+      contexts_[i].state = Context::READY;
+      contexts_[i].srv_ctx.reset(new ServerContext);
+      contexts_[i].response_writer.reset(
+          new grpc::ServerAsyncResponseWriter<EchoResponse>(
+              contexts_[i].srv_ctx.get()));
+      service_.RequestEcho(contexts_[i].srv_ctx.get(),
+                           &contexts_[i].recv_request,
+                           contexts_[i].response_writer.get(), cq_.get(),
+                           cq_.get(), (void*)(intptr_t)i);
+    }
+  }
+  struct Context {
+    std::unique_ptr<ServerContext> srv_ctx;
+    std::unique_ptr<grpc::ServerAsyncResponseWriter<EchoResponse>>
+        response_writer;
+    EchoRequest recv_request;
+    enum { READY, DONE } state;
+  } * contexts_;
+  ::grpc::testing::EchoTestService::AsyncService service_;
+  std::unique_ptr<ServerCompletionQueue> cq_;
+  bool shutting_down_;
+  mutex mu_;
+  std::vector<std::thread*> server_threads_;
+};
+
+template <class Common>
 class End2endTest : public ::testing::Test {
  protected:
   End2endTest() {}
@@ -214,7 +327,7 @@ class End2endTest : public ::testing::Test {
   void TearDown() GRPC_OVERRIDE { common_.TearDown(); }
   void ResetStub() { common_.ResetStub(); }
 
-  CommonStressTest common_;
+  Common common_;
 };
 
 static void SendRpc(grpc::testing::EchoTestService::Stub* stub, int num_rpcs) {
@@ -230,11 +343,16 @@ static void SendRpc(grpc::testing::EchoTestService::Stub* stub, int num_rpcs) {
   }
 }
 
-TEST_F(End2endTest, ThreadStress) {
-  common_.ResetStub();
+typedef ::testing::Types<CommonStressTestSyncServer,
+                         CommonStressTestAsyncServer>
+    CommonTypes;
+TYPED_TEST_CASE(End2endTest, CommonTypes);
+TYPED_TEST(End2endTest, ThreadStress) {
+  this->common_.ResetStub();
   std::vector<std::thread*> threads;
   for (int i = 0; i < kNumThreads; ++i) {
-    threads.push_back(new std::thread(SendRpc, common_.GetStub(), kNumRpcs));
+    threads.push_back(
+        new std::thread(SendRpc, this->common_.GetStub(), kNumRpcs));
   }
   for (int i = 0; i < kNumThreads; ++i) {
     threads[i]->join();
@@ -242,6 +360,7 @@ TEST_F(End2endTest, ThreadStress) {
   }
 }
 
+template <class Common>
 class AsyncClientEnd2endTest : public ::testing::Test {
  protected:
   AsyncClientEnd2endTest() : rpcs_outstanding_(0) {}
@@ -309,31 +428,33 @@ class AsyncClientEnd2endTest : public ::testing::Test {
     }
   }
 
-  CommonStressTest common_;
+  Common common_;
   CompletionQueue cq_;
   mutex mu_;
   condition_variable cv_;
   int rpcs_outstanding_;
 };
 
-TEST_F(AsyncClientEnd2endTest, ThreadStress) {
-  common_.ResetStub();
-  std::vector<std::thread*> send_threads, completion_threads;
+TYPED_TEST_CASE(AsyncClientEnd2endTest, CommonTypes);
+TYPED_TEST(AsyncClientEnd2endTest, ThreadStress) {
+  this->common_.ResetStub();
+  std::vector<std::thread *> send_threads, completion_threads;
   for (int i = 0; i < kNumAsyncReceiveThreads; ++i) {
     completion_threads.push_back(new std::thread(
-        &AsyncClientEnd2endTest_ThreadStress_Test::AsyncCompleteRpc, this));
+        &AsyncClientEnd2endTest_ThreadStress_Test<TypeParam>::AsyncCompleteRpc,
+        this));
   }
   for (int i = 0; i < kNumAsyncSendThreads; ++i) {
-    send_threads.push_back(
-        new std::thread(&AsyncClientEnd2endTest_ThreadStress_Test::AsyncSendRpc,
-                        this, kNumRpcs));
+    send_threads.push_back(new std::thread(
+        &AsyncClientEnd2endTest_ThreadStress_Test<TypeParam>::AsyncSendRpc,
+        this, kNumRpcs));
   }
   for (int i = 0; i < kNumAsyncSendThreads; ++i) {
     send_threads[i]->join();
     delete send_threads[i];
   }
 
-  Wait();
+  this->Wait();
   for (int i = 0; i < kNumAsyncReceiveThreads; ++i) {
     completion_threads[i]->join();
     delete completion_threads[i];
diff --git a/test/cpp/end2end/zookeeper_test.cc b/test/cpp/end2end/zookeeper_test.cc
index bbf1b0edc12cba48c8a749eb4cf373546ceb7876..12853a1b9857a591c78ce12cacd72bddb372393f 100644
--- a/test/cpp/end2end/zookeeper_test.cc
+++ b/test/cpp/end2end/zookeeper_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,7 +42,7 @@
 #include <gtest/gtest.h>
 #include <zookeeper/zookeeper.h>
 
-#include "src/core/support/env.h"
+#include "src/core/lib/support/env.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
diff --git a/test/cpp/grpclb/grpclb_api_test.cc b/test/cpp/grpclb/grpclb_api_test.cc
index bd4885fb4cd3659e2e0d85d6b263eb767f0ece6c..92f93c869c72c3f41a565a01367dc3101efe2054 100644
--- a/test/cpp/grpclb/grpclb_api_test.cc
+++ b/test/cpp/grpclb/grpclb_api_test.cc
@@ -34,7 +34,7 @@
 #include <gtest/gtest.h>
 #include <string>
 
-#include "src/core/client_config/lb_policies/load_balancer_api.h"
+#include "src/core/ext/lb_policy/grpclb/load_balancer_api.h"
 #include "src/proto/grpc/lb/v0/load_balancer.pb.h"  // C++ version
 
 namespace grpc {
diff --git a/test/cpp/interop/client.cc b/test/cpp/interop/client.cc
index 788adefd24b01283892ee5ebe1aec761500cffb7..9af6a88044739d6f17b888276df16689843a1bb1 100644
--- a/test/cpp/interop/client.cc
+++ b/test/cpp/interop/client.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,11 +35,11 @@
 
 #include <unistd.h>
 
-#include <grpc/grpc.h>
-#include <grpc/support/log.h>
 #include <gflags/gflags.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
 
 #include "test/cpp/interop/client_helper.h"
 #include "test/cpp/interop/interop_client.h"
diff --git a/test/cpp/interop/client_helper.cc b/test/cpp/interop/client_helper.cc
index 5caf0f2d1d0242bfaec238bce655292477bf4bdc..c8b1e505c16e13046e9ae1e20052d21930cc12c2 100644
--- a/test/cpp/interop/client_helper.cc
+++ b/test/cpp/interop/client_helper.cc
@@ -39,13 +39,13 @@
 #include <memory>
 #include <sstream>
 
-#include <grpc/grpc.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
 #include <gflags/gflags.h>
 #include <grpc++/channel.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/security/credentials.h>
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
 
 #include "src/cpp/client/secure_credentials.h"
 #include "test/core/security/oauth2_utils.h"
diff --git a/test/cpp/interop/client_helper.h b/test/cpp/interop/client_helper.h
index 0f77474139e18a66441f3e8f7ca9df93bce16262..622b96e4fbfd04010d1b80935a8d420e1c16bebb 100644
--- a/test/cpp/interop/client_helper.h
+++ b/test/cpp/interop/client_helper.h
@@ -38,7 +38,7 @@
 
 #include <grpc++/channel.h>
 
-#include "src/core/surface/call_test_only.h"
+#include "src/core/lib/surface/call_test_only.h"
 
 namespace grpc {
 namespace testing {
diff --git a/test/cpp/interop/interop_client.cc b/test/cpp/interop/interop_client.cc
index 46f6fdac4092ee99fb039c8da832f8c7f2fac069..22293d211facaee97b13837207908c4d8d8a9541 100644
--- a/test/cpp/interop/interop_client.cc
+++ b/test/cpp/interop/interop_client.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -46,10 +46,10 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/transport/byte_stream.h"
+#include "src/core/lib/transport/byte_stream.h"
 #include "src/proto/grpc/testing/empty.grpc.pb.h"
-#include "src/proto/grpc/testing/test.grpc.pb.h"
 #include "src/proto/grpc/testing/messages.grpc.pb.h"
+#include "src/proto/grpc/testing/test.grpc.pb.h"
 #include "test/cpp/interop/client_helper.h"
 
 namespace grpc {
diff --git a/test/cpp/interop/interop_client.h b/test/cpp/interop/interop_client.h
index 3f57f3c7336ff3d9d19ac62a40c171c2e063aed0..a3794fd93feb785dbada780f65b755f25d417fe3 100644
--- a/test/cpp/interop/interop_client.h
+++ b/test/cpp/interop/interop_client.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,8 +36,8 @@
 
 #include <memory>
 
-#include <grpc/grpc.h>
 #include <grpc++/channel.h>
+#include <grpc/grpc.h>
 #include "src/proto/grpc/testing/messages.grpc.pb.h"
 #include "src/proto/grpc/testing/test.grpc.pb.h"
 
diff --git a/test/cpp/interop/interop_test.cc b/test/cpp/interop/interop_test.cc
index faf6698903335fc68ae2cbd512593a46b6cf4168..8e71a2bb295f72087c02dfea48f2fb30ded0fa36 100644
--- a/test/cpp/interop/interop_test.cc
+++ b/test/cpp/interop/interop_test.cc
@@ -35,14 +35,14 @@
 #define _POSIX_SOURCE
 #endif
 
-#include <unistd.h>
 #include <assert.h>
-#include <stdio.h>
-#include <string.h>
 #include <signal.h>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <unistd.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
@@ -51,8 +51,8 @@
 #include "test/core/util/port.h"
 
 extern "C" {
-#include "src/core/iomgr/socket_utils_posix.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/support/string.h"
 }
 
 int test_client(const char* root, const char* host, int port) {
diff --git a/test/cpp/interop/metrics_client.cc b/test/cpp/interop/metrics_client.cc
index bd48c7d4ef2b9d564cc295ae8ad08139a3fba213..cc304f2e89560d51422adf39b7961716c973af79 100644
--- a/test/cpp/interop/metrics_client.cc
+++ b/test/cpp/interop/metrics_client.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/interop/reconnect_interop_client.cc b/test/cpp/interop/reconnect_interop_client.cc
index 79a60cc8602f714983d0d421a53d391db3199147..797e52c744f2ce3a5a5189bf5795652645eb52c0 100644
--- a/test/cpp/interop/reconnect_interop_client.cc
+++ b/test/cpp/interop/reconnect_interop_client.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,27 +34,33 @@
 #include <memory>
 #include <sstream>
 
-#include <grpc/grpc.h>
-#include <grpc/support/log.h>
 #include <gflags/gflags.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
-#include "test/cpp/util/create_test_channel.h"
-#include "test/cpp/util/test_config.h"
-#include "src/proto/grpc/testing/test.grpc.pb.h"
+#include <grpc++/support/channel_arguments.h>
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
 #include "src/proto/grpc/testing/empty.grpc.pb.h"
 #include "src/proto/grpc/testing/messages.grpc.pb.h"
+#include "src/proto/grpc/testing/test.grpc.pb.h"
+#include "test/cpp/util/create_test_channel.h"
+#include "test/cpp/util/test_config.h"
 
 DEFINE_int32(server_control_port, 0, "Server port for control rpcs.");
 DEFINE_int32(server_retry_port, 0, "Server port for testing reconnection.");
 DEFINE_string(server_host, "127.0.0.1", "Server host to connect to");
+DEFINE_int32(max_reconnect_backoff_ms, 0,
+             "Maximum backoff time, or 0 for default.");
 
+using grpc::CallCredentials;
 using grpc::Channel;
+using grpc::ChannelArguments;
 using grpc::ClientContext;
 using grpc::CreateTestChannel;
 using grpc::Status;
 using grpc::testing::Empty;
 using grpc::testing::ReconnectInfo;
+using grpc::testing::ReconnectParams;
 using grpc::testing::ReconnectService;
 
 int main(int argc, char** argv) {
@@ -68,17 +74,25 @@ int main(int argc, char** argv) {
       ReconnectService::NewStub(
           CreateTestChannel(server_address.str(), false)));
   ClientContext start_context;
-  Empty empty_request;
+  ReconnectParams reconnect_params;
+  reconnect_params.set_max_reconnect_backoff_ms(FLAGS_max_reconnect_backoff_ms);
   Empty empty_response;
   Status start_status =
-      control_stub->Start(&start_context, empty_request, &empty_response);
+      control_stub->Start(&start_context, reconnect_params, &empty_response);
   GPR_ASSERT(start_status.ok());
 
   gpr_log(GPR_INFO, "Starting connections with retries.");
   server_address.str("");
   server_address << FLAGS_server_host << ':' << FLAGS_server_retry_port;
+  ChannelArguments channel_args;
+  if (FLAGS_max_reconnect_backoff_ms > 0) {
+    channel_args.SetInt(GRPC_ARG_MAX_RECONNECT_BACKOFF_MS,
+                        FLAGS_max_reconnect_backoff_ms);
+  }
   std::shared_ptr<Channel> retry_channel =
-      CreateTestChannel(server_address.str(), true);
+      CreateTestChannel(server_address.str(), "foo.test.google.fr", true, false,
+                        std::shared_ptr<CallCredentials>(), channel_args);
+
   // About 13 retries.
   const int kDeadlineSeconds = 540;
   // Use any rpc to test retry.
@@ -88,15 +102,15 @@ int main(int argc, char** argv) {
   retry_context.set_deadline(std::chrono::system_clock::now() +
                              std::chrono::seconds(kDeadlineSeconds));
   Status retry_status =
-      retry_stub->Start(&retry_context, empty_request, &empty_response);
+      retry_stub->Start(&retry_context, reconnect_params, &empty_response);
   GPR_ASSERT(retry_status.error_code() == grpc::StatusCode::DEADLINE_EXCEEDED);
   gpr_log(GPR_INFO, "Done retrying, getting final data from server");
 
   ClientContext stop_context;
   ReconnectInfo response;
-  Status stop_status =
-      control_stub->Stop(&stop_context, empty_request, &response);
+  Status stop_status = control_stub->Stop(&stop_context, Empty(), &response);
   GPR_ASSERT(stop_status.ok());
   GPR_ASSERT(response.passed() == true);
+  gpr_log(GPR_INFO, "Passed");
   return 0;
 }
diff --git a/test/cpp/interop/reconnect_interop_server.cc b/test/cpp/interop/reconnect_interop_server.cc
index 1f9147d0efacbfda721991dc21093c7ffc77b369..53d51e80e70bb9272e5d7355cfde9731def9aefa 100644
--- a/test/cpp/interop/reconnect_interop_server.cc
+++ b/test/cpp/interop/reconnect_interop_server.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -71,6 +71,7 @@ using grpc::Status;
 using grpc::testing::Empty;
 using grpc::testing::ReconnectService;
 using grpc::testing::ReconnectInfo;
+using grpc::testing::ReconnectParams;
 
 static bool got_sigint = false;
 
@@ -92,7 +93,8 @@ class ReconnectServiceImpl : public ReconnectService::Service {
 
   void Poll(int seconds) { reconnect_server_poll(&tcp_server_, seconds); }
 
-  Status Start(ServerContext* context, const Empty* request, Empty* response) {
+  Status Start(ServerContext* context, const ReconnectParams* request,
+               Empty* response) {
     bool start_server = true;
     std::unique_lock<std::mutex> lock(mu_);
     while (serving_ && !shutdown_) {
@@ -105,6 +107,8 @@ class ReconnectServiceImpl : public ReconnectService::Service {
     if (server_started_) {
       start_server = false;
     } else {
+      tcp_server_.max_reconnect_backoff_ms =
+          request->max_reconnect_backoff_ms();
       server_started_ = true;
     }
     lock.unlock();
@@ -133,7 +137,9 @@ class ReconnectServiceImpl : public ReconnectService::Service {
     const double kTransmissionDelay = 100.0;
     const double kBackoffMultiplier = 1.6;
     const double kJitterFactor = 0.2;
-    const int kMaxBackoffMs = 120 * 1000;
+    const int kMaxBackoffMs = tcp_server_.max_reconnect_backoff_ms
+                                  ? tcp_server_.max_reconnect_backoff_ms
+                                  : 120 * 1000;
     bool passed = true;
     for (timestamp_list* cur = tcp_server_.head; cur && cur->next;
          cur = cur->next) {
diff --git a/test/cpp/interop/server_helper.cc b/test/cpp/interop/server_helper.cc
index 9a284094f00c35ed96e3c20d7ef0f528827327da..c6d891ad71b711ce270ae8a8af62c45c4b7012ce 100644
--- a/test/cpp/interop/server_helper.cc
+++ b/test/cpp/interop/server_helper.cc
@@ -38,7 +38,7 @@
 #include <gflags/gflags.h>
 #include <grpc++/security/server_credentials.h>
 
-#include "src/core/surface/call_test_only.h"
+#include "src/core/lib/surface/call_test_only.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 
 DECLARE_bool(use_tls);
diff --git a/test/cpp/interop/server_helper.h b/test/cpp/interop/server_helper.h
index 57337e52396c05a35da79277be21c36b064b97c8..12865e403247906a4e260ea219611cd952c78b86 100644
--- a/test/cpp/interop/server_helper.h
+++ b/test/cpp/interop/server_helper.h
@@ -36,9 +36,9 @@
 
 #include <memory>
 
-#include <grpc/compression.h>
-#include <grpc++/server_context.h>
 #include <grpc++/security/server_credentials.h>
+#include <grpc++/server_context.h>
+#include <grpc/compression.h>
 
 namespace grpc {
 namespace testing {
diff --git a/test/cpp/interop/server_main.cc b/test/cpp/interop/server_main.cc
index 18ac35d551c48ce05377f446f42e8dd2b8ce93d0..889874fe493ae73d1de10f84527b5dd8d90cdb30 100644
--- a/test/cpp/interop/server_main.cc
+++ b/test/cpp/interop/server_main.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,19 +40,19 @@
 #include <thread>
 
 #include <gflags/gflags.h>
-#include <grpc/grpc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/useful.h>
+#include <grpc++/security/server_credentials.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
-#include <grpc++/security/server_credentials.h>
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/useful.h>
 
-#include "test/cpp/interop/server_helper.h"
-#include "test/cpp/util/test_config.h"
-#include "src/proto/grpc/testing/test.grpc.pb.h"
 #include "src/proto/grpc/testing/empty.grpc.pb.h"
 #include "src/proto/grpc/testing/messages.grpc.pb.h"
+#include "src/proto/grpc/testing/test.grpc.pb.h"
+#include "test/cpp/interop/server_helper.h"
+#include "test/cpp/util/test_config.h"
 
 DEFINE_bool(use_tls, false, "Whether to use tls.");
 DEFINE_int32(port, 0, "Server port.");
diff --git a/test/cpp/interop/stress_interop_client.cc b/test/cpp/interop/stress_interop_client.cc
index b581e9b33cc3162d6a8a7bcdbefd65cbe631f68a..04671fb935ed39d28f53d9c33a16d6dc36d48497 100644
--- a/test/cpp/interop/stress_interop_client.cc
+++ b/test/cpp/interop/stress_interop_client.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/interop/stress_test.cc b/test/cpp/interop/stress_test.cc
index 702354dc87d20976fb978a710d6a88a485e34c9d..38caf31b76a9ce1fc14d127dbe22acbcf7e34419 100644
--- a/test/cpp/interop/stress_test.cc
+++ b/test/cpp/interop/stress_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,12 +43,12 @@
 #include <grpc++/impl/thd.h>
 #include <grpc/support/time.h>
 
+#include "src/proto/grpc/testing/metrics.grpc.pb.h"
+#include "src/proto/grpc/testing/metrics.pb.h"
 #include "test/cpp/interop/interop_client.h"
 #include "test/cpp/interop/stress_interop_client.h"
 #include "test/cpp/util/metrics_server.h"
 #include "test/cpp/util/test_config.h"
-#include "src/proto/grpc/testing/metrics.grpc.pb.h"
-#include "src/proto/grpc/testing/metrics.pb.h"
 
 extern "C" {
 extern void gpr_default_log(gpr_log_func_args* args);
@@ -98,11 +98,11 @@ DEFINE_string(test_cases, "",
               " 'large_unary', 10% of the time and 'empty_stream' the remaining"
               " 70% of the time");
 
-DEFINE_int32(log_level, GPR_LOG_SEVERITY_DEBUG,
+DEFINE_int32(log_level, GPR_LOG_SEVERITY_INFO,
              "Severity level of messages that should be logged. Any messages "
              "greater than or equal to the level set here will be logged. "
              "The choices are: 0 (GPR_LOG_SEVERITY_DEBUG), 1 "
-             "(GPR_LOG_SEVERITY_INFO) and 2 (GPR_LOG_SEVERITY_ERROR.");
+             "(GPR_LOG_SEVERITY_INFO) and 2 (GPR_LOG_SEVERITY_ERROR)");
 
 using grpc::testing::kTestCaseList;
 using grpc::testing::MetricsService;
diff --git a/test/cpp/qps/async_streaming_ping_pong_test.cc b/test/cpp/qps/async_streaming_ping_pong_test.cc
index 97499329c1f2193b5b78a6007797b88a216fc402..4b6bae0d5cff0ed494f6f305ed06f774c903f882 100644
--- a/test/cpp/qps/async_streaming_ping_pong_test.cc
+++ b/test/cpp/qps/async_streaming_ping_pong_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 5;
-static const int BENCHMARK = 10;
+static const int BENCHMARK = 5;
 
 static void RunAsyncStreamingPingPong() {
   gpr_log(GPR_INFO, "Running Async Streaming Ping Pong");
diff --git a/test/cpp/qps/async_unary_ping_pong_test.cc b/test/cpp/qps/async_unary_ping_pong_test.cc
index d801bddf4acde25c2f12f9cbed25cb84b823dcd5..571a8b7300f7e08bdb5121042f38ed3d82ddddf7 100644
--- a/test/cpp/qps/async_unary_ping_pong_test.cc
+++ b/test/cpp/qps/async_unary_ping_pong_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 5;
-static const int BENCHMARK = 10;
+static const int BENCHMARK = 5;
 
 static void RunAsyncUnaryPingPong() {
   gpr_log(GPR_INFO, "Running Async Unary Ping Pong");
diff --git a/test/cpp/qps/client.h b/test/cpp/qps/client.h
index 92e77eed9b2f6373f203a5f84b134f615ffcb146..5a9027a4a23cf8f7b939acd6e7684f1fe542a70c 100644
--- a/test/cpp/qps/client.h
+++ b/test/cpp/qps/client.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -173,20 +173,6 @@ class Client {
         random_dist.reset(
             new ExpDist(load.poisson().offered_load() / num_threads));
         break;
-      case LoadParams::kUniform:
-        random_dist.reset(
-            new UniformDist(load.uniform().interarrival_lo() * num_threads,
-                            load.uniform().interarrival_hi() * num_threads));
-        break;
-      case LoadParams::kDeterm:
-        random_dist.reset(
-            new DetDist(num_threads / load.determ().offered_load()));
-        break;
-      case LoadParams::kPareto:
-        random_dist.reset(
-            new ParetoDist(load.pareto().interarrival_base() * num_threads,
-                           load.pareto().alpha()));
-        break;
       default:
         GPR_ASSERT(false);
     }
diff --git a/test/cpp/qps/client_async.cc b/test/cpp/qps/client_async.cc
index 9e9da9909af54512ab75adc358d753b9fb4b3d5d..e72cef28114d5b2dd1799612b22313a6a50d5f59 100644
--- a/test/cpp/qps/client_async.cc
+++ b/test/cpp/qps/client_async.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -141,7 +141,8 @@ class ClientRpcContextUnaryImpl : public ClientRpcContext {
   std::function<gpr_timespec()> next_issue_;
   std::function<std::unique_ptr<grpc::ClientAsyncResponseReader<ResponseType>>(
       BenchmarkService::Stub*, grpc::ClientContext*, const RequestType&,
-      CompletionQueue*)> start_req_;
+      CompletionQueue*)>
+      start_req_;
   grpc::Status status_;
   double start_;
   std::unique_ptr<grpc::ClientAsyncResponseReader<ResponseType>>
@@ -359,10 +360,10 @@ class ClientRpcContextStreamingImpl : public ClientRpcContext {
   State next_state_;
   std::function<void(grpc::Status, ResponseType*)> callback_;
   std::function<gpr_timespec()> next_issue_;
-  std::function<
-      std::unique_ptr<grpc::ClientAsyncReaderWriter<RequestType, ResponseType>>(
-          BenchmarkService::Stub*, grpc::ClientContext*, CompletionQueue*,
-          void*)> start_req_;
+  std::function<std::unique_ptr<
+      grpc::ClientAsyncReaderWriter<RequestType, ResponseType>>(
+      BenchmarkService::Stub*, grpc::ClientContext*, CompletionQueue*, void*)>
+      start_req_;
   grpc::Status status_;
   double start_;
   std::unique_ptr<grpc::ClientAsyncReaderWriter<RequestType, ResponseType>>
@@ -491,7 +492,8 @@ class ClientRpcContextGenericStreamingImpl : public ClientRpcContext {
   std::function<gpr_timespec()> next_issue_;
   std::function<std::unique_ptr<grpc::GenericClientAsyncReaderWriter>(
       grpc::GenericStub*, grpc::ClientContext*, const grpc::string&,
-      CompletionQueue*, void*)> start_req_;
+      CompletionQueue*, void*)>
+      start_req_;
   grpc::Status status_;
   double start_;
   std::unique_ptr<grpc::GenericClientAsyncReaderWriter> stream_;
diff --git a/test/cpp/qps/client_sync.cc b/test/cpp/qps/client_sync.cc
index 4284e07bd4ca109ac62ef2e15fb1b41ad6e22135..fb161f70ee9db85663a4496159c58407c766485c 100644
--- a/test/cpp/qps/client_sync.cc
+++ b/test/cpp/qps/client_sync.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -53,7 +53,7 @@
 #include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 #include "src/proto/grpc/testing/services.grpc.pb.h"
 #include "test/cpp/qps/client.h"
 #include "test/cpp/qps/histogram.h"
diff --git a/test/cpp/qps/driver.cc b/test/cpp/qps/driver.cc
index bc8780f74d58229f475b1de81d0894fa923c09d8..2583ceb8192693ee253a639f3b856ac8b827290d 100644
--- a/test/cpp/qps/driver.cc
+++ b/test/cpp/qps/driver.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,14 +43,16 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
+#include <gtest/gtest.h>
 
-#include "src/core/support/env.h"
+#include "src/core/lib/support/env.h"
 #include "src/proto/grpc/testing/services.grpc.pb.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 #include "test/cpp/qps/driver.h"
 #include "test/cpp/qps/histogram.h"
 #include "test/cpp/qps/qps_worker.h"
+#include "test/cpp/qps/stats.h"
 
 using std::list;
 using std::thread;
@@ -114,17 +116,56 @@ static deque<string> get_workers(const string& name) {
   }
 }
 
+// helpers for postprocess_scenario_result
+static double WallTime(ClientStats s) { return s.time_elapsed(); }
+static double SystemTime(ClientStats s) { return s.time_system(); }
+static double UserTime(ClientStats s) { return s.time_user(); }
+static double ServerWallTime(ServerStats s) { return s.time_elapsed(); }
+static double ServerSystemTime(ServerStats s) { return s.time_system(); }
+static double ServerUserTime(ServerStats s) { return s.time_user(); }
+static int Cores(int n) { return n; }
+
+// Postprocess ScenarioResult and populate result summary.
+static void postprocess_scenario_result(ScenarioResult* result) {
+  Histogram histogram;
+  histogram.MergeProto(result->latencies());
+
+  auto qps = histogram.Count() / average(result->client_stats(), WallTime);
+  auto qps_per_server_core = qps / sum(result->server_cores(), Cores);
+
+  result->mutable_summary()->set_qps(qps);
+  result->mutable_summary()->set_qps_per_server_core(qps_per_server_core);
+  result->mutable_summary()->set_latency_50(histogram.Percentile(50));
+  result->mutable_summary()->set_latency_90(histogram.Percentile(90));
+  result->mutable_summary()->set_latency_95(histogram.Percentile(95));
+  result->mutable_summary()->set_latency_99(histogram.Percentile(99));
+  result->mutable_summary()->set_latency_999(histogram.Percentile(99.9));
+
+  auto server_system_time = 100.0 *
+                            sum(result->server_stats(), ServerSystemTime) /
+                            sum(result->server_stats(), ServerWallTime);
+  auto server_user_time = 100.0 * sum(result->server_stats(), ServerUserTime) /
+                          sum(result->server_stats(), ServerWallTime);
+  auto client_system_time = 100.0 * sum(result->client_stats(), SystemTime) /
+                            sum(result->client_stats(), WallTime);
+  auto client_user_time = 100.0 * sum(result->client_stats(), UserTime) /
+                          sum(result->client_stats(), WallTime);
+
+  result->mutable_summary()->set_server_system_time(server_system_time);
+  result->mutable_summary()->set_server_user_time(server_user_time);
+  result->mutable_summary()->set_client_system_time(client_system_time);
+  result->mutable_summary()->set_client_user_time(client_user_time);
+}
+
 // Namespace for classes and functions used only in RunScenario
 // Using this rather than local definitions to workaround gcc-4.4 limitations
 // regarding using templates without linkage
 namespace runsc {
 
 // ClientContext allocator
-template <class T>
-static ClientContext* AllocContext(list<ClientContext>* contexts, T deadline) {
+static ClientContext* AllocContext(list<ClientContext>* contexts) {
   contexts->emplace_back();
   auto context = &contexts->back();
-  context->set_deadline(deadline);
   return context;
 }
 
@@ -196,9 +237,6 @@ std::unique_ptr<ScenarioResult> RunScenario(
   // Trim to just what we need
   workers.resize(num_clients + num_servers);
 
-  gpr_timespec deadline =
-      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(warmup_seconds + benchmark_seconds + 20);
-
   // Start servers
   using runsc::ServerData;
   // servers is array rather than std::vector to avoid gcc-4.4 issues
@@ -248,7 +286,7 @@ std::unique_ptr<ScenarioResult> RunScenario(
     ServerArgs args;
     *args.mutable_setup() = server_config;
     servers[i].stream =
-        servers[i].stub->RunServer(runsc::AllocContext(&contexts, deadline));
+        servers[i].stub->RunServer(runsc::AllocContext(&contexts));
     GPR_ASSERT(servers[i].stream->Write(args));
     ServerStatus init_status;
     GPR_ASSERT(servers[i].stream->Read(&init_status));
@@ -304,7 +342,7 @@ std::unique_ptr<ScenarioResult> RunScenario(
     ClientArgs args;
     *args.mutable_setup() = per_client_config;
     clients[i].stream =
-        clients[i].stub->RunClient(runsc::AllocContext(&contexts, deadline));
+        clients[i].stub->RunClient(runsc::AllocContext(&contexts));
     GPR_ASSERT(clients[i].stream->Write(args));
     ClientStatus init_status;
     GPR_ASSERT(clients[i].stream->Read(&init_status));
@@ -342,12 +380,13 @@ std::unique_ptr<ScenarioResult> RunScenario(
   // Use gpr_sleep_until rather than this_thread::sleep_until to support
   // compilers that don't work with this_thread
   gpr_sleep_until(gpr_time_add(
-      start, gpr_time_from_seconds(benchmark_seconds, GPR_TIMESPAN)));
+      start,
+      gpr_time_from_seconds(warmup_seconds + benchmark_seconds, GPR_TIMESPAN)));
 
   // Finish a run
   std::unique_ptr<ScenarioResult> result(new ScenarioResult);
-  result->client_config = result_client_config;
-  result->server_config = result_server_config;
+  Histogram merged_latencies;
+
   gpr_log(GPR_INFO, "Finishing clients");
   for (auto client = &clients[0]; client != &clients[num_clients]; client++) {
     GPR_ASSERT(client->stream->Write(client_mark));
@@ -356,9 +395,8 @@ std::unique_ptr<ScenarioResult> RunScenario(
   for (auto client = &clients[0]; client != &clients[num_clients]; client++) {
     GPR_ASSERT(client->stream->Read(&client_status));
     const auto& stats = client_status.stats();
-    result->latencies.MergeProto(stats.latencies());
-    result->client_resources.emplace_back(
-        stats.time_elapsed(), stats.time_user(), stats.time_system(), -1);
+    merged_latencies.MergeProto(stats.latencies());
+    result->add_client_stats()->CopyFrom(stats);
     GPR_ASSERT(!client->stream->Read(&client_status));
   }
   for (auto client = &clients[0]; client != &clients[num_clients]; client++) {
@@ -366,6 +404,8 @@ std::unique_ptr<ScenarioResult> RunScenario(
   }
   delete[] clients;
 
+  merged_latencies.FillProto(result->mutable_latencies());
+
   gpr_log(GPR_INFO, "Finishing servers");
   for (auto server = &servers[0]; server != &servers[num_servers]; server++) {
     GPR_ASSERT(server->stream->Write(server_mark));
@@ -373,10 +413,8 @@ std::unique_ptr<ScenarioResult> RunScenario(
   }
   for (auto server = &servers[0]; server != &servers[num_servers]; server++) {
     GPR_ASSERT(server->stream->Read(&server_status));
-    const auto& stats = server_status.stats();
-    result->server_resources.emplace_back(
-        stats.time_elapsed(), stats.time_user(), stats.time_system(),
-        server_status.cores());
+    result->add_server_stats()->CopyFrom(server_status.stats());
+    result->add_server_cores(server_status.cores());
     GPR_ASSERT(!server->stream->Read(&server_status));
   }
   for (auto server = &servers[0]; server != &servers[num_servers]; server++) {
@@ -384,6 +422,8 @@ std::unique_ptr<ScenarioResult> RunScenario(
   }
 
   delete[] servers;
+
+  postprocess_scenario_result(result.get());
   return result;
 }
 
diff --git a/test/cpp/qps/driver.h b/test/cpp/qps/driver.h
index 3af61f73917f35b9bdf929b6cb0c7009bb1b09f5..3a5cf138f11c3e2284af7edf2d08bd677a2133d7 100644
--- a/test/cpp/qps/driver.h
+++ b/test/cpp/qps/driver.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,34 +36,11 @@
 
 #include <memory>
 
-#include "test/cpp/qps/histogram.h"
 #include "src/proto/grpc/testing/control.grpc.pb.h"
+#include "test/cpp/qps/histogram.h"
 
 namespace grpc {
 namespace testing {
-class ResourceUsage {
- public:
-  ResourceUsage(double w, double u, double s, int c)
-      : wall_time_(w), user_time_(u), system_time_(s), cores_(c) {}
-  double wall_time() const { return wall_time_; }
-  double user_time() const { return user_time_; }
-  double system_time() const { return system_time_; }
-  int cores() const { return cores_; }
-
- private:
-  double wall_time_;
-  double user_time_;
-  double system_time_;
-  int cores_;
-};
-
-struct ScenarioResult {
-  Histogram latencies;
-  std::vector<ResourceUsage> client_resources;
-  std::vector<ResourceUsage> server_resources;
-  ClientConfig client_config;
-  ServerConfig server_config;
-};
 
 std::unique_ptr<ScenarioResult> RunScenario(
     const grpc::testing::ClientConfig& client_config, size_t num_clients,
diff --git a/src/ruby/bin/interop/interop_server.rb b/test/cpp/qps/gen_build_yaml.py
similarity index 64%
rename from src/ruby/bin/interop/interop_server.rb
rename to test/cpp/qps/gen_build_yaml.py
index c6b0d00ec6361daa69d0460b267c516b82d7f602..9d6bf2ab73ca1d8cc5877afb77f0f14e19747057 100755
--- a/src/ruby/bin/interop/interop_server.rb
+++ b/test/cpp/qps/gen_build_yaml.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env ruby
+#!/usr/bin/env python2.7
 
 # Copyright 2015, Google Inc.
 # All rights reserved.
@@ -29,22 +29,35 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# #######################################################################
-# DEPRECATED: The behaviour in this file has been moved to pb/test/server.rb
-#
-# This file remains to support existing tools and scripts that use it.
-# ######################################################################
-#
-# interop_server is a Testing app that runs a gRPC interop testing server.
-#
-# It helps validate interoperation b/w gRPC in different environments
-#
-# Helps validate interoperation b/w different gRPC implementations.
-#
-# Usage: $ path/to/interop_server.rb --port
+import json
+import pipes
+import shutil
+import sys
+import os
+import yaml
+
+run_tests_root = os.path.abspath(os.path.join(
+    os.path.dirname(sys.argv[0]),
+    '../../../tools/run_tests'))
+sys.path.append(run_tests_root)
 
-this_dir = File.expand_path(File.dirname(__FILE__))
-pb_dir = File.join(File.dirname(File.dirname(this_dir)), 'pb')
-$LOAD_PATH.unshift(pb_dir) unless $LOAD_PATH.include?(pb_dir)
+import performance.scenario_config as scenario_config
 
-require 'test/server'
+print yaml.dump({
+  'tests': [
+    {
+      'name': 'json_run_localhost',
+      'shortname': 'json_run_localhost:%s' % js['name'],
+      'args': ['--scenario_json', pipes.quote(json.dumps(js))],
+      'ci_platforms': ['linux', 'mac', 'posix', 'windows'],
+      'platforms': ['linux', 'mac', 'posix', 'windows'],
+      'flaky': False,
+      'language': 'c++',
+      'boringssl': True,
+      'defaults': 'boringssl',
+      'cpu_cost': 1000.0,
+      'exclude_configs': []
+    }
+    for js in scenario_config.CXXLanguage().scenarios()
+  ]
+})
diff --git a/test/cpp/qps/generic_async_streaming_ping_pong_test.cc b/test/cpp/qps/generic_async_streaming_ping_pong_test.cc
index d9166ae210f2ee020dfae0cf9b77ade710999cfa..ea373ece8419f06e92ec6eaea7ebaf3278cf5f2f 100644
--- a/test/cpp/qps/generic_async_streaming_ping_pong_test.cc
+++ b/test/cpp/qps/generic_async_streaming_ping_pong_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 5;
-static const int BENCHMARK = 10;
+static const int BENCHMARK = 5;
 
 static void RunGenericAsyncStreamingPingPong() {
   gpr_log(GPR_INFO, "Running Generic Async Streaming Ping Pong");
@@ -62,6 +62,7 @@ static void RunGenericAsyncStreamingPingPong() {
   ServerConfig server_config;
   server_config.set_server_type(ASYNC_GENERIC_SERVER);
   server_config.set_async_server_threads(1);
+  *server_config.mutable_payload_config() = client_config.payload_config();
 
   const auto result =
       RunScenario(client_config, 1, server_config, 1, WARMUP, BENCHMARK, -2);
diff --git a/test/cpp/qps/interarrival.h b/test/cpp/qps/interarrival.h
index b6fd67b77c29456865db58593a893312bc19684c..0980d5e8baadafb012b275ee314382c3bafa123c 100644
--- a/test/cpp/qps/interarrival.h
+++ b/test/cpp/qps/interarrival.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -82,62 +82,6 @@ class ExpDist GRPC_FINAL : public RandomDistInterface {
   double lambda_recip_;
 };
 
-// UniformDist implements a random distribution that has
-// interarrival time uniformly spread between [lo,hi). The
-// mean interarrival time is (lo+hi)/2. For more information,
-// see http://en.wikipedia.org/wiki/Uniform_distribution_%28continuous%29
-
-class UniformDist GRPC_FINAL : public RandomDistInterface {
- public:
-  UniformDist(double lo, double hi) : lo_(lo), range_(hi - lo) {}
-  ~UniformDist() GRPC_OVERRIDE {}
-  double transform(double uni) const GRPC_OVERRIDE {
-    return uni * range_ + lo_;
-  }
-
- private:
-  double lo_;
-  double range_;
-};
-
-// DetDist provides a random distribution with interarrival time
-// of val. Note that this is not additive, so using this on multiple
-// flows of control (threads within the same client or separate
-// clients) will not preserve any deterministic interarrival gap across
-// requests.
-
-class DetDist GRPC_FINAL : public RandomDistInterface {
- public:
-  explicit DetDist(double val) : val_(val) {}
-  ~DetDist() GRPC_OVERRIDE {}
-  double transform(double uni) const GRPC_OVERRIDE { return val_; }
-
- private:
-  double val_;
-};
-
-// ParetoDist provides a random distribution with interarrival time
-// spread according to a Pareto (heavy-tailed) distribution. In this
-// model, many interarrival times are close to the base, but a sufficient
-// number will be high (up to infinity) as to disturb the mean. It is a
-// good representation of the response times of data center jobs. See
-// http://en.wikipedia.org/wiki/Pareto_distribution
-
-class ParetoDist GRPC_FINAL : public RandomDistInterface {
- public:
-  ParetoDist(double base, double alpha)
-      : base_(base), alpha_recip_(1.0 / alpha) {}
-  ~ParetoDist() GRPC_OVERRIDE {}
-  double transform(double uni) const GRPC_OVERRIDE {
-    // Note: Use 1.0-uni above to avoid div by zero if uni is 0
-    return base_ / pow(1.0 - uni, alpha_recip_);
-  }
-
- private:
-  double base_;
-  double alpha_recip_;
-};
-
 // A class library for generating pseudo-random interarrival times
 // in an efficient re-entrant way. The random table is built at construction
 // time, and each call must include the thread id of the invoker
diff --git a/src/core/iomgr/pollset_set_posix.h b/test/cpp/qps/json_run_localhost.cc
similarity index 54%
rename from src/core/iomgr/pollset_set_posix.h
rename to test/cpp/qps/json_run_localhost.cc
index 7d1aaf41817fe3845c1697f44cd1025492992691..6545dc2917db4445f5c9519fdb433439c7634a55 100644
--- a/src/core/iomgr/pollset_set_posix.h
+++ b/test/cpp/qps/json_run_localhost.cc
@@ -31,15 +31,56 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_IOMGR_POLLSET_SET_POSIX_H
-#define GRPC_INTERNAL_CORE_IOMGR_POLLSET_SET_POSIX_H
+#include <memory>
+#include <sstream>
+#include <string>
 
-#include "src/core/iomgr/fd_posix.h"
-#include "src/core/iomgr/pollset_set.h"
+#include <grpc/support/log.h>
 
-void grpc_pollset_set_add_fd(grpc_exec_ctx *exec_ctx,
-                             grpc_pollset_set *pollset_set, grpc_fd *fd);
-void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
-                             grpc_pollset_set *pollset_set, grpc_fd *fd);
+#include "src/core/lib/support/env.h"
+#include "test/core/util/port.h"
+#include "test/cpp/util/subprocess.h"
 
-#endif /* GRPC_INTERNAL_CORE_IOMGR_POLLSET_WINDOWS_H */
+using grpc::SubProcess;
+
+template <class T>
+std::string as_string(const T& val) {
+  std::ostringstream out;
+  out << val;
+  return out.str();
+}
+
+int main(int argc, char** argv) {
+  typedef std::unique_ptr<SubProcess> SubProcessPtr;
+  std::vector<SubProcessPtr> jobs;
+
+  std::string my_bin = argv[0];
+  std::string bin_dir = my_bin.substr(0, my_bin.rfind('/'));
+
+  std::ostringstream env;
+  bool first = true;
+
+  for (int i = 0; i < 2; i++) {
+    auto port = grpc_pick_unused_port_or_die();
+    std::vector<std::string> args = {bin_dir + "/qps_worker", "-driver_port",
+                                     as_string(port)};
+    jobs.emplace_back(new SubProcess(args));
+    if (!first) env << ",";
+    env << "localhost:" << port;
+    first = false;
+  }
+
+  gpr_setenv("QPS_WORKERS", env.str().c_str());
+  std::vector<std::string> args = {bin_dir + "/qps_json_driver"};
+  for (int i = 1; i < argc; i++) {
+    args.push_back(argv[i]);
+  }
+  SubProcess(args).Join();
+
+  for (auto it = jobs.begin(); it != jobs.end(); ++it) {
+    (*it)->Interrupt();
+  }
+  for (auto it = jobs.begin(); it != jobs.end(); ++it) {
+    (*it)->Join();
+  }
+}
diff --git a/test/cpp/qps/limit_cores.cc b/test/cpp/qps/limit_cores.cc
index fad9a323afd191691c58f8b0786b05720857d89c..59ed369067f64231e4919299b14a21a627aef354 100644
--- a/test/cpp/qps/limit_cores.cc
+++ b/test/cpp/qps/limit_cores.cc
@@ -37,14 +37,15 @@
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 
-namespace grpc {
-namespace testing {
-
 #ifdef GPR_CPU_LINUX
 #ifndef _GNU_SOURCE
 #define _GNU_SOURCE
 #endif
 #include <sched.h>
+
+namespace grpc {
+namespace testing {
+
 int LimitCores(const int* cores, int cores_size) {
   const int num_cores = gpr_cpu_num_cores();
   int cores_set = 0;
@@ -71,9 +72,16 @@ int LimitCores(const int* cores, int cores_size) {
   CPU_FREE(cpup);
   return cores_set;
 }
+
+}  // namespace testing
+}  // namespace grpc
 #else
+namespace grpc {
+namespace testing {
+
 // LimitCores is not currently supported for non-Linux platforms
 int LimitCores(const int*, int) { return gpr_cpu_num_cores(); }
-#endif
+
 }  // namespace testing
 }  // namespace grpc
+#endif
diff --git a/test/cpp/qps/parse_json.cc b/test/cpp/qps/parse_json.cc
new file mode 100644
index 0000000000000000000000000000000000000000..df7a62f0a059e93502aff53e4f484f170545e5f3
--- /dev/null
+++ b/test/cpp/qps/parse_json.cc
@@ -0,0 +1,67 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc++/support/config_protobuf.h>
+
+#include "test/cpp/qps/parse_json.h"
+
+#include <string>
+
+#include <google/protobuf/util/json_util.h>
+#include <google/protobuf/util/type_resolver_util.h>
+#include <grpc/support/log.h>
+
+namespace grpc {
+namespace testing {
+
+void ParseJson(const grpc::string& json, const grpc::string& type,
+               GRPC_CUSTOM_MESSAGE* msg) {
+  std::unique_ptr<google::protobuf::util::TypeResolver> type_resolver(
+      google::protobuf::util::NewTypeResolverForDescriptorPool(
+          "type.googleapis.com",
+          google::protobuf::DescriptorPool::generated_pool()));
+  grpc::string binary;
+  auto status = JsonToBinaryString(
+      type_resolver.get(), "type.googleapis.com/" + type, json, &binary);
+  if (!status.ok()) {
+    grpc::string errmsg(status.error_message());
+    gpr_log(GPR_ERROR, "Failed to convert json to binary: errcode=%d msg=%s",
+            status.error_code(), errmsg.c_str());
+    gpr_log(GPR_ERROR, "JSON: ", json.c_str());
+    abort();
+  }
+  GPR_ASSERT(msg->ParseFromString(binary));
+}
+
+}  // testing
+}  // grpc
diff --git a/test/cpp/qps/parse_json.h b/test/cpp/qps/parse_json.h
new file mode 100644
index 0000000000000000000000000000000000000000..4b8ca79f217175519e5d34d610a6d07b03f1a8c4
--- /dev/null
+++ b/test/cpp/qps/parse_json.h
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef TEST_QPS_PARSE_JSON_H
+#define TEST_QPS_PARSE_JSON_H
+
+#include <grpc++/support/config.h>
+#include <grpc++/support/config_protobuf.h>
+
+namespace grpc {
+namespace testing {
+
+void ParseJson(const grpc::string& json, const grpc::string& type,
+               GRPC_CUSTOM_MESSAGE* msg);
+
+}  // testing
+}  // grpc
+
+#endif  // TEST_QPS_PARSE_JSON_H
diff --git a/test/cpp/qps/perf_db_client.h b/test/cpp/qps/perf_db_client.h
index ece020aa9b373beccacf124b428d9711e568e4d3..b74c70d86b5f6b83fad2c5a3c061cfd0aed71a46 100644
--- a/test/cpp/qps/perf_db_client.h
+++ b/test/cpp/qps/perf_db_client.h
@@ -31,17 +31,17 @@
  *
  */
 
+#include <cfloat>
 #include <iostream>
 #include <memory>
 #include <string>
-#include <cfloat>
 
-#include <grpc/grpc.h>
-#include <grpc++/support/channel_arguments.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/security/credentials.h>
+#include <grpc++/support/channel_arguments.h>
+#include <grpc/grpc.h>
 #include "src/proto/grpc/testing/perf_db.grpc.pb.h"
 
 namespace grpc {
diff --git a/test/cpp/qps/qps-sweep.sh b/test/cpp/qps/qps-sweep.sh
deleted file mode 100755
index 9d3f053a7bee3847ccecbe580cce0544d5852d66..0000000000000000000000000000000000000000
--- a/test/cpp/qps/qps-sweep.sh
+++ /dev/null
@@ -1,170 +0,0 @@
-#!/bin/sh
-
-# Copyright 2015-2016, Google Inc.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-if [ x"$QPS_WORKERS" == x ]; then
-  echo Error: Must set QPS_WORKERS variable in form \
-    "host:port,host:port,..." 1>&2
-  exit 1
-fi
-
-bins=`find . .. ../.. ../../.. -name bins | head -1`
-
-# Print out each command that gets executed
-set -x
-
-#
-# Specify parameters used in some of the tests
-#
-
-# big is the size in bytes of large messages (0 is the size otherwise)
-big=65536
-
-# wide is the number of client channels in multi-channel tests (1 otherwise)
-wide=64
-
-# deep is the number of RPCs outstanding on a channel in non-ping-pong tests
-# (the value used is 1 otherwise)
-deep=100
-
-# half is half the count of worker processes, used in the crossbar scenario
-# that uses equal clients and servers. The other scenarios use only 1 server
-# and either 1 client or N-1 clients as appropriate
-half=`echo $QPS_WORKERS | awk -F, '{print int(NF/2)}'`
-
-for secure in true false; do
-  # Scenario 1: generic async streaming ping-pong (contentionless latency)
-  "$bins"/opt/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=1 \
-    --client_channels=1 --bbuf_req_size=0 --bbuf_resp_size=0 \
-    --async_client_threads=1 --async_server_threads=1 --secure_test=$secure \
-    --num_servers=1 --num_clients=1
-
-  # Scenario 2: generic async streaming "unconstrained" (QPS)
-  "$bins"/opt/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
-    --client_channels=$wide --bbuf_req_size=0 --bbuf_resp_size=0 \
-    --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
-    --num_servers=1 --num_clients=0 2>&1 | tee /tmp/qps-test.$$
-
-  # Scenario 2b: QPS with a single server core
-  "$bins"/opt/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
-    --client_channels=$wide --bbuf_req_size=0 --bbuf_resp_size=0 \
-    --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
-    --num_servers=1 --num_clients=0 --server_core_limit=1
-
-  # Scenario 2c: protobuf-based QPS
-  "$bins"/opt/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_SERVER --outstanding_rpcs_per_channel=$deep \
-    --client_channels=$wide --simple_req_size=0 --simple_resp_size=0 \
-    --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
-    --num_servers=1 --num_clients=0
-
-  # Scenario 3: Latency at sub-peak load (all clients equally loaded)
-  for loadfactor in 0.2 0.5 0.7; do
-    "$bins"/opt/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-      --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
-      --client_channels=$wide --bbuf_req_size=0 --bbuf_resp_size=0 \
-      --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
-      --num_servers=1 --num_clients=0 --poisson_load=`awk -v lf=$loadfactor \
-      '$5 == "QPS:" {print int(lf * $6); exit}' /tmp/qps-test.$$`
-  done
-
-  rm /tmp/qps-test.$$
-
-  # Scenario 4: Single-channel bidirectional throughput test (like TCP_STREAM).
-  "$bins"/opt/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
-    --client_channels=1 --bbuf_req_size=$big --bbuf_resp_size=$big \
-    --async_client_threads=1 --async_server_threads=1 --secure_test=$secure \
-    --num_servers=1 --num_clients=1
-
-  # Scenario 5: Sync unary ping-pong with protobufs
-  "$bins"/opt/qps_driver --rpc_type=UNARY --client_type=SYNC_CLIENT \
-    --server_type=SYNC_SERVER --outstanding_rpcs_per_channel=1 \
-    --client_channels=1 --simple_req_size=0 --simple_resp_size=0 \
-    --secure_test=$secure --num_servers=1 --num_clients=1
-
-  # Scenario 6: Sync streaming ping-pong with protobufs
-  "$bins"/opt/qps_driver --rpc_type=STREAMING --client_type=SYNC_CLIENT \
-    --server_type=SYNC_SERVER --outstanding_rpcs_per_channel=1 \
-    --client_channels=1 --simple_req_size=0 --simple_resp_size=0 \
-    --secure_test=$secure --num_servers=1 --num_clients=1
-
-  # Scenario 7: Async unary ping-pong with protobufs
-  "$bins"/opt/qps_driver --rpc_type=UNARY --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_SERVER --outstanding_rpcs_per_channel=1 \
-    --client_channels=1 --simple_req_size=0 --simple_resp_size=0 \
-    --async_client_threads=1 --async_server_threads=1 --secure_test=$secure \
-    --num_servers=1 --num_clients=1
-
-  # Scenario 8: Async streaming ping-pong with protobufs
-  "$bins"/opt/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_SERVER --outstanding_rpcs_per_channel=1 \
-    --client_channels=1 --simple_req_size=0 --simple_resp_size=0 \
-    --async_client_threads=1 --async_server_threads=1 --secure_test=$secure \
-    --num_servers=1 --num_clients=1
-
-  # Scenario 9: Crossbar QPS test
-  "$bins"/opt/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
-    --client_channels=$wide --bbuf_req_size=0 --bbuf_resp_size=0 \
-    --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
-    --num_servers=$half --num_clients=0
-
-  # Scenario 10: Multi-channel bidir throughput test
-  "$bins"/opt/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=1 \
-    --client_channels=$wide --bbuf_req_size=$big --bbuf_resp_size=$big \
-    --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
-    --num_servers=1 --num_clients=1
-
-  # Scenario 11: Single-channel request throughput test
-  "$bins"/opt/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
-    --client_channels=1 --bbuf_req_size=$big --bbuf_resp_size=0 \
-    --async_client_threads=1 --async_server_threads=1 --secure_test=$secure \
-    --num_servers=1 --num_clients=1
-
-  # Scenario 12: Single-channel response throughput test
-  "$bins"/opt/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
-    --client_channels=1 --bbuf_req_size=0 --bbuf_resp_size=$big \
-    --async_client_threads=1 --async_server_threads=1 --secure_test=$secure \
-    --num_servers=1 --num_clients=1
-
-  # Scenario 13: Single-channel bidirectional protobuf throughput test
-  "$bins"/opt/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_SERVER --outstanding_rpcs_per_channel=$deep \
-    --client_channels=1 --simple_req_size=$big --simple_resp_size=$big \
-    --async_client_threads=1 --async_server_threads=1 --secure_test=$secure \
-    --num_servers=1 --num_clients=1
-done
diff --git a/test/cpp/qps/qps_driver.cc b/test/cpp/qps/qps_driver.cc
deleted file mode 100644
index 69fb4d75e8d83dc998f1222a441c8e6e519ff158..0000000000000000000000000000000000000000
--- a/test/cpp/qps/qps_driver.cc
+++ /dev/null
@@ -1,209 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <memory>
-#include <set>
-
-#include <gflags/gflags.h>
-#include <grpc/support/log.h>
-
-#include "test/cpp/qps/driver.h"
-#include "test/cpp/qps/report.h"
-#include "test/cpp/util/benchmark_config.h"
-
-DEFINE_int32(num_clients, 1, "Number of client binaries");
-DEFINE_int32(num_servers, 1, "Number of server binaries");
-
-DEFINE_int32(warmup_seconds, 5, "Warmup time (in seconds)");
-DEFINE_int32(benchmark_seconds, 30, "Benchmark time (in seconds)");
-DEFINE_int32(local_workers, 0, "Number of local workers to start");
-
-// Server config
-DEFINE_int32(async_server_threads, 1, "Number of threads for async servers");
-DEFINE_string(server_type, "SYNC_SERVER", "Server type");
-DEFINE_int32(server_core_limit, -1, "Limit on server cores to use");
-
-// Client config
-DEFINE_string(rpc_type, "UNARY", "Type of RPC: UNARY or STREAMING");
-DEFINE_int32(outstanding_rpcs_per_channel, 1,
-             "Number of outstanding rpcs per channel");
-DEFINE_int32(client_channels, 1, "Number of client channels");
-
-DEFINE_int32(simple_req_size, -1, "Simple proto request payload size");
-DEFINE_int32(simple_resp_size, -1, "Simple proto response payload size");
-DEFINE_int32(bbuf_req_size, -1, "Byte-buffer request payload size");
-DEFINE_int32(bbuf_resp_size, -1, "Byte-buffer response payload size");
-
-DEFINE_string(client_type, "SYNC_CLIENT", "Client type");
-DEFINE_int32(async_client_threads, 1, "Async client threads");
-
-DEFINE_double(poisson_load, -1.0, "Poisson offered load (qps)");
-DEFINE_double(uniform_lo, -1.0, "Uniform low interarrival time (us)");
-DEFINE_double(uniform_hi, -1.0, "Uniform high interarrival time (us)");
-DEFINE_double(determ_load, -1.0, "Deterministic offered load (qps)");
-DEFINE_double(pareto_base, -1.0, "Pareto base interarrival time (us)");
-DEFINE_double(pareto_alpha, -1.0, "Pareto alpha value");
-
-DEFINE_int32(client_core_limit, -1, "Limit on client cores to use");
-
-DEFINE_bool(secure_test, false, "Run a secure test");
-
-DEFINE_bool(quit, false, "Quit the workers");
-
-using grpc::testing::ClientConfig;
-using grpc::testing::ServerConfig;
-using grpc::testing::ClientType;
-using grpc::testing::ServerType;
-using grpc::testing::RpcType;
-using grpc::testing::ResourceUsage;
-using grpc::testing::SecurityParams;
-
-namespace grpc {
-namespace testing {
-
-static void QpsDriver() {
-  if (FLAGS_quit) {
-    RunQuit();
-    return;
-  }
-
-  RpcType rpc_type;
-  GPR_ASSERT(RpcType_Parse(FLAGS_rpc_type, &rpc_type));
-
-  ClientType client_type;
-  ServerType server_type;
-  GPR_ASSERT(ClientType_Parse(FLAGS_client_type, &client_type));
-  GPR_ASSERT(ServerType_Parse(FLAGS_server_type, &server_type));
-
-  ClientConfig client_config;
-  client_config.set_client_type(client_type);
-  client_config.set_outstanding_rpcs_per_channel(
-      FLAGS_outstanding_rpcs_per_channel);
-  client_config.set_client_channels(FLAGS_client_channels);
-
-  // Decide which type to use based on the response type
-  if (FLAGS_simple_resp_size >= 0) {
-    auto params =
-        client_config.mutable_payload_config()->mutable_simple_params();
-    params->set_resp_size(FLAGS_simple_resp_size);
-    if (FLAGS_simple_req_size >= 0) {
-      params->set_req_size(FLAGS_simple_req_size);
-    }
-  } else if (FLAGS_bbuf_resp_size >= 0) {
-    auto params =
-        client_config.mutable_payload_config()->mutable_bytebuf_params();
-    params->set_resp_size(FLAGS_bbuf_resp_size);
-    if (FLAGS_bbuf_req_size >= 0) {
-      params->set_req_size(FLAGS_bbuf_req_size);
-    }
-  } else {
-    // set a reasonable default: proto but no payload
-    client_config.mutable_payload_config()->mutable_simple_params();
-  }
-
-  client_config.set_async_client_threads(FLAGS_async_client_threads);
-  client_config.set_rpc_type(rpc_type);
-
-  // set up the load parameters
-  if (FLAGS_poisson_load > 0.0) {
-    auto poisson = client_config.mutable_load_params()->mutable_poisson();
-    poisson->set_offered_load(FLAGS_poisson_load);
-  } else if (FLAGS_uniform_lo > 0.0) {
-    auto uniform = client_config.mutable_load_params()->mutable_uniform();
-    uniform->set_interarrival_lo(FLAGS_uniform_lo / 1e6);
-    uniform->set_interarrival_hi(FLAGS_uniform_hi / 1e6);
-  } else if (FLAGS_determ_load > 0.0) {
-    auto determ = client_config.mutable_load_params()->mutable_determ();
-    determ->set_offered_load(FLAGS_determ_load);
-  } else if (FLAGS_pareto_base > 0.0) {
-    auto pareto = client_config.mutable_load_params()->mutable_pareto();
-    pareto->set_interarrival_base(FLAGS_pareto_base / 1e6);
-    pareto->set_alpha(FLAGS_pareto_alpha);
-  } else {
-    client_config.mutable_load_params()->mutable_closed_loop();
-    // No further load parameters to set up for closed loop
-  }
-
-  client_config.mutable_histogram_params()->set_resolution(
-      Histogram::default_resolution());
-  client_config.mutable_histogram_params()->set_max_possible(
-      Histogram::default_max_possible());
-
-  if (FLAGS_client_core_limit > 0) {
-    client_config.set_core_limit(FLAGS_client_core_limit);
-  }
-
-  ServerConfig server_config;
-  server_config.set_server_type(server_type);
-  server_config.set_async_server_threads(FLAGS_async_server_threads);
-
-  if (FLAGS_server_core_limit > 0) {
-    server_config.set_core_limit(FLAGS_server_core_limit);
-  }
-
-  if (FLAGS_secure_test) {
-    // Set up security params
-    SecurityParams security;
-    security.set_use_test_ca(true);
-    security.set_server_host_override("foo.test.google.fr");
-    client_config.mutable_security_params()->CopyFrom(security);
-    server_config.mutable_security_params()->CopyFrom(security);
-  }
-
-  // Make sure that if we are performing a generic (bytebuf) test
-  // that we are also using async streaming
-  GPR_ASSERT(!client_config.payload_config().has_bytebuf_params() ||
-             (client_config.client_type() == ASYNC_CLIENT &&
-              client_config.rpc_type() == STREAMING &&
-              server_config.server_type() == ASYNC_GENERIC_SERVER));
-
-  const auto result = RunScenario(
-      client_config, FLAGS_num_clients, server_config, FLAGS_num_servers,
-      FLAGS_warmup_seconds, FLAGS_benchmark_seconds, FLAGS_local_workers);
-
-  GetReporter()->ReportQPS(*result);
-  GetReporter()->ReportQPSPerCore(*result);
-  GetReporter()->ReportLatency(*result);
-  GetReporter()->ReportTimes(*result);
-}
-
-}  // namespace testing
-}  // namespace grpc
-
-int main(int argc, char** argv) {
-  grpc::testing::InitBenchmark(&argc, &argv, true);
-
-  grpc::testing::QpsDriver();
-
-  return 0;
-}
diff --git a/test/cpp/qps/qps_interarrival_test.cc b/test/cpp/qps/qps_interarrival_test.cc
index 77e81fb84bc1a92dfcf4f4d307d584d716d73c8c..4055c8a718f0dc5009130ad10531f273eb295c46 100644
--- a/test/cpp/qps/qps_interarrival_test.cc
+++ b/test/cpp/qps/qps_interarrival_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -63,14 +63,8 @@ static void RunTest(RandomDistInterface &&r, int threads, std::string title) {
 }
 
 using grpc::testing::ExpDist;
-using grpc::testing::DetDist;
-using grpc::testing::UniformDist;
-using grpc::testing::ParetoDist;
 
 int main(int argc, char **argv) {
   RunTest(ExpDist(10.0), 5, std::string("Exponential(10)"));
-  RunTest(DetDist(5.0), 5, std::string("Det(5)"));
-  RunTest(UniformDist(0.0, 10.0), 5, std::string("Uniform(0,10)"));
-  RunTest(ParetoDist(1.0, 1.0), 5, std::string("Pareto(1,1)"));
   return 0;
 }
diff --git a/test/cpp/qps/qps_json_driver.cc b/test/cpp/qps/qps_json_driver.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d7642f0e1ee7037efdaf366a1f0e5af029548f69
--- /dev/null
+++ b/test/cpp/qps/qps_json_driver.cc
@@ -0,0 +1,124 @@
+/*
+ *
+ * Copyright 2015-2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <memory>
+#include <set>
+
+#include <grpc++/support/config_protobuf.h>
+
+#include <gflags/gflags.h>
+#include <grpc/support/log.h>
+
+#include "test/cpp/qps/driver.h"
+#include "test/cpp/qps/parse_json.h"
+#include "test/cpp/qps/report.h"
+#include "test/cpp/util/benchmark_config.h"
+
+DEFINE_string(scenarios_file, "",
+              "JSON file containing an array of Scenario objects");
+DEFINE_string(scenarios_json, "",
+              "JSON string containing an array of Scenario objects");
+DEFINE_bool(quit, false, "Quit the workers");
+
+namespace grpc {
+namespace testing {
+
+static void QpsDriver() {
+  grpc::string json;
+
+  bool scfile = (FLAGS_scenarios_file != "");
+  bool scjson = (FLAGS_scenarios_json != "");
+  if ((!scfile && !scjson && !FLAGS_quit) ||
+      (scfile && (scjson || FLAGS_quit)) || (scjson && FLAGS_quit)) {
+    gpr_log(GPR_ERROR,
+            "Exactly one of --scenarios_file, --scenarios_json, "
+            "or --quit must be set");
+    abort();
+  }
+
+  if (scfile) {
+    // Read the json data from disk
+    FILE *json_file = fopen(FLAGS_scenarios_file.c_str(), "r");
+    GPR_ASSERT(json_file != NULL);
+    fseek(json_file, 0, SEEK_END);
+    long len = ftell(json_file);
+    char *data = new char[len];
+    fseek(json_file, 0, SEEK_SET);
+    GPR_ASSERT(len == (long)fread(data, 1, len, json_file));
+    fclose(json_file);
+    json = grpc::string(data, data + len);
+    delete[] data;
+  } else if (scjson) {
+    json = FLAGS_scenarios_json.c_str();
+  } else if (FLAGS_quit) {
+    RunQuit();
+    return;
+  }
+
+  // Parse into an array of scenarios
+  Scenarios scenarios;
+  ParseJson(json.c_str(), "grpc.testing.Scenarios", &scenarios);
+
+  // Make sure that there is at least some valid scenario here
+  GPR_ASSERT(scenarios.scenarios_size() > 0);
+
+  for (int i = 0; i < scenarios.scenarios_size(); i++) {
+    const Scenario &scenario = scenarios.scenarios(i);
+    std::cerr << "RUNNING SCENARIO: " << scenario.name() << "\n";
+    auto result =
+        RunScenario(scenario.client_config(), scenario.num_clients(),
+                    scenario.server_config(), scenario.num_servers(),
+                    scenario.warmup_seconds(), scenario.benchmark_seconds(),
+                    scenario.spawn_local_worker_count());
+
+    // Amend the result with scenario config. Eventually we should adjust
+    // RunScenario contract so we don't need to touch the result here.
+    result->mutable_scenario()->CopyFrom(scenario);
+
+    GetReporter()->ReportQPS(*result);
+    GetReporter()->ReportQPSPerCore(*result);
+    GetReporter()->ReportLatency(*result);
+    GetReporter()->ReportTimes(*result);
+  }
+}
+
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char **argv) {
+  grpc::testing::InitBenchmark(&argc, &argv, true);
+
+  grpc::testing::QpsDriver();
+
+  return 0;
+}
diff --git a/test/cpp/qps/qps_openloop_test.cc b/test/cpp/qps/qps_openloop_test.cc
index 27f266b32be56f7bc2d72364b9e9b6a6ce9c2bde..8dc50ac6d8831572890cde04186429f24eb78844 100644
--- a/test/cpp/qps/qps_openloop_test.cc
+++ b/test/cpp/qps/qps_openloop_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,7 +44,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 5;
-static const int BENCHMARK = 10;
+static const int BENCHMARK = 5;
 
 static void RunQPS() {
   gpr_log(GPR_INFO, "Running QPS test, open-loop");
diff --git a/test/cpp/qps/qps_test.cc b/test/cpp/qps/qps_test.cc
index 27aaf137f64904243543442b9aad031df42a5bc1..c3e72d9b17953050ded384bfd18f34d9aac739de 100644
--- a/test/cpp/qps/qps_test.cc
+++ b/test/cpp/qps/qps_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 20;
-static const int BENCHMARK = 40;
+static const int BENCHMARK = 20;
 
 static void RunQPS() {
   gpr_log(GPR_INFO, "Running QPS test");
diff --git a/test/cpp/qps/qps_test_with_poll.cc b/test/cpp/qps/qps_test_with_poll.cc
index 8340a6386a5f8c433ee1dcd9fff69f918119188f..c64e6c9d495b1a44f5e01ce8160722ea67bf14e3 100644
--- a/test/cpp/qps/qps_test_with_poll.cc
+++ b/test/cpp/qps/qps_test_with_poll.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,7 +40,7 @@
 #include "test/cpp/util/benchmark_config.h"
 
 extern "C" {
-#include "src/core/iomgr/pollset_posix.h"
+#include "src/core/lib/iomgr/pollset_posix.h"
 }
 
 namespace grpc {
diff --git a/test/cpp/qps/qps_worker.cc b/test/cpp/qps/qps_worker.cc
index b83e9d1dd7f0337620b7a44ee8bc0cf913726a6e..f514e23e85404f933ed770524727dd18b6089549 100644
--- a/test/cpp/qps/qps_worker.cc
+++ b/test/cpp/qps/qps_worker.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/qps/qps_worker.h b/test/cpp/qps/qps_worker.h
index 624c182100e9c59dad85c24e1a9b7fdd80c9f327..7f04c92caea709f9368f6a59c4d28d0eb4b636f9 100644
--- a/test/cpp/qps/qps_worker.h
+++ b/test/cpp/qps/qps_worker.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/qps/report.cc b/test/cpp/qps/report.cc
index b230eb441e81f84b1d32032e13b582c95e630761..3ae41399cfcc1f013ad08035f9dad7b42b57c829 100644
--- a/test/cpp/qps/report.cc
+++ b/test/cpp/qps/report.cc
@@ -33,6 +33,11 @@
 
 #include "test/cpp/qps/report.h"
 
+#include <fstream>
+
+#include <google/protobuf/util/json_util.h>
+#include <google/protobuf/util/type_resolver_util.h>
+
 #include <grpc/support/log.h>
 #include "test/cpp/qps/driver.h"
 #include "test/cpp/qps/stats.h"
@@ -40,11 +45,6 @@
 namespace grpc {
 namespace testing {
 
-static double WallTime(ResourceUsage u) { return u.wall_time(); }
-static double UserTime(ResourceUsage u) { return u.user_time(); }
-static double SystemTime(ResourceUsage u) { return u.system_time(); }
-static int Cores(ResourceUsage u) { return u.cores(); }
-
 void CompositeReporter::add(std::unique_ptr<Reporter> reporter) {
   reporters_.emplace_back(std::move(reporter));
 }
@@ -74,102 +74,63 @@ void CompositeReporter::ReportTimes(const ScenarioResult& result) {
 }
 
 void GprLogReporter::ReportQPS(const ScenarioResult& result) {
-  gpr_log(
-      GPR_INFO, "QPS: %.1f",
-      result.latencies.Count() / average(result.client_resources, WallTime));
+  gpr_log(GPR_INFO, "QPS: %.1f", result.summary().qps());
 }
 
 void GprLogReporter::ReportQPSPerCore(const ScenarioResult& result) {
-  auto qps =
-      result.latencies.Count() / average(result.client_resources, WallTime);
-
-  gpr_log(GPR_INFO, "QPS: %.1f (%.1f/server core)", qps,
-          qps / sum(result.server_resources, Cores));
+  gpr_log(GPR_INFO, "QPS: %.1f (%.1f/server core)", result.summary().qps(),
+          result.summary().qps_per_server_core());
 }
 
 void GprLogReporter::ReportLatency(const ScenarioResult& result) {
   gpr_log(GPR_INFO,
           "Latencies (50/90/95/99/99.9%%-ile): %.1f/%.1f/%.1f/%.1f/%.1f us",
-          result.latencies.Percentile(50) / 1000,
-          result.latencies.Percentile(90) / 1000,
-          result.latencies.Percentile(95) / 1000,
-          result.latencies.Percentile(99) / 1000,
-          result.latencies.Percentile(99.9) / 1000);
+          result.summary().latency_50() / 1000,
+          result.summary().latency_90() / 1000,
+          result.summary().latency_95() / 1000,
+          result.summary().latency_99() / 1000,
+          result.summary().latency_999() / 1000);
 }
 
 void GprLogReporter::ReportTimes(const ScenarioResult& result) {
   gpr_log(GPR_INFO, "Server system time: %.2f%%",
-          100.0 * sum(result.server_resources, SystemTime) /
-              sum(result.server_resources, WallTime));
+          result.summary().server_system_time());
   gpr_log(GPR_INFO, "Server user time:   %.2f%%",
-          100.0 * sum(result.server_resources, UserTime) /
-              sum(result.server_resources, WallTime));
+          result.summary().server_user_time());
   gpr_log(GPR_INFO, "Client system time: %.2f%%",
-          100.0 * sum(result.client_resources, SystemTime) /
-              sum(result.client_resources, WallTime));
+          result.summary().client_system_time());
   gpr_log(GPR_INFO, "Client user time:   %.2f%%",
-          100.0 * sum(result.client_resources, UserTime) /
-              sum(result.client_resources, WallTime));
+          result.summary().client_user_time());
 }
 
-void PerfDbReporter::ReportQPS(const ScenarioResult& result) {
-  auto qps =
-      result.latencies.Count() / average(result.client_resources, WallTime);
-
-  perf_db_client_.setQps(qps);
-  perf_db_client_.setConfigs(result.client_config, result.server_config);
+void JsonReporter::ReportQPS(const ScenarioResult& result) {
+  std::unique_ptr<google::protobuf::util::TypeResolver> type_resolver(
+      google::protobuf::util::NewTypeResolverForDescriptorPool(
+          "type.googleapis.com",
+          google::protobuf::DescriptorPool::generated_pool()));
+  grpc::string binary;
+  grpc::string json_string;
+  result.SerializeToString(&binary);
+  auto status = BinaryToJsonString(
+      type_resolver.get(), "type.googleapis.com/grpc.testing.ScenarioResult",
+      binary, &json_string);
+  GPR_ASSERT(status.ok());
+
+  std::ofstream output_file(report_file_);
+  output_file << json_string;
+  output_file.close();
 }
 
-void PerfDbReporter::ReportQPSPerCore(const ScenarioResult& result) {
-  auto qps =
-      result.latencies.Count() / average(result.client_resources, WallTime);
-
-  auto qps_per_core = qps / sum(result.server_resources, Cores);
-
-  perf_db_client_.setQps(qps);
-  perf_db_client_.setQpsPerCore(qps_per_core);
-  perf_db_client_.setConfigs(result.client_config, result.server_config);
-}
-
-void PerfDbReporter::ReportLatency(const ScenarioResult& result) {
-  perf_db_client_.setLatencies(result.latencies.Percentile(50) / 1000,
-                               result.latencies.Percentile(90) / 1000,
-                               result.latencies.Percentile(95) / 1000,
-                               result.latencies.Percentile(99) / 1000,
-                               result.latencies.Percentile(99.9) / 1000);
-  perf_db_client_.setConfigs(result.client_config, result.server_config);
+void JsonReporter::ReportQPSPerCore(const ScenarioResult& result) {
+  // NOP - all reporting is handled by ReportQPS.
 }
 
-void PerfDbReporter::ReportTimes(const ScenarioResult& result) {
-  const double server_system_time = 100.0 *
-                                    sum(result.server_resources, SystemTime) /
-                                    sum(result.server_resources, WallTime);
-  const double server_user_time = 100.0 *
-                                  sum(result.server_resources, UserTime) /
-                                  sum(result.server_resources, WallTime);
-  const double client_system_time = 100.0 *
-                                    sum(result.client_resources, SystemTime) /
-                                    sum(result.client_resources, WallTime);
-  const double client_user_time = 100.0 *
-                                  sum(result.client_resources, UserTime) /
-                                  sum(result.client_resources, WallTime);
-
-  perf_db_client_.setTimes(server_system_time, server_user_time,
-                           client_system_time, client_user_time);
-  perf_db_client_.setConfigs(result.client_config, result.server_config);
+void JsonReporter::ReportLatency(const ScenarioResult& result) {
+  // NOP - all reporting is handled by ReportQPS.
 }
 
-void PerfDbReporter::SendData() {
-  // send data to performance database
-  bool data_state =
-      perf_db_client_.sendData(hashed_id_, test_name_, sys_info_, tag_);
-
-  // check state of data sending
-  if (data_state) {
-    gpr_log(GPR_INFO, "Data sent to performance database successfully");
-  } else {
-    gpr_log(GPR_INFO, "Data could not be sent to performance database");
-  }
+void JsonReporter::ReportTimes(const ScenarioResult& result) {
+  // NOP - all reporting is handled by ReportQPS.
 }
 
 }  // namespace testing
diff --git a/test/cpp/qps/report.h b/test/cpp/qps/report.h
index 5caf3fe69a290c654b92d1c348c5ca5737aaf3b2..8f04d84124588f534d76e9402acc0624a85f52d2 100644
--- a/test/cpp/qps/report.h
+++ b/test/cpp/qps/report.h
@@ -104,33 +104,19 @@ class GprLogReporter : public Reporter {
   void ReportTimes(const ScenarioResult& result) GRPC_OVERRIDE;
 };
 
-/** Reporter for performance database tool */
-class PerfDbReporter : public Reporter {
+/** Dumps the report to a JSON file. */
+class JsonReporter : public Reporter {
  public:
-  PerfDbReporter(const string& name, const string& hashed_id,
-                 const string& test_name, const string& sys_info,
-                 const string& server_address, const string& tag)
-      : Reporter(name),
-        hashed_id_(hashed_id),
-        test_name_(test_name),
-        sys_info_(sys_info),
-        tag_(tag) {
-    perf_db_client_.init(grpc::CreateChannel(
-        server_address, grpc::InsecureChannelCredentials()));
-  }
-  ~PerfDbReporter() GRPC_OVERRIDE { SendData(); };
+  JsonReporter(const string& name, const string& report_file)
+      : Reporter(name), report_file_(report_file) {}
 
  private:
-  PerfDbClient perf_db_client_;
-  std::string hashed_id_;
-  std::string test_name_;
-  std::string sys_info_;
-  std::string tag_;
   void ReportQPS(const ScenarioResult& result) GRPC_OVERRIDE;
   void ReportQPSPerCore(const ScenarioResult& result) GRPC_OVERRIDE;
   void ReportLatency(const ScenarioResult& result) GRPC_OVERRIDE;
   void ReportTimes(const ScenarioResult& result) GRPC_OVERRIDE;
-  void SendData();
+
+  const string report_file_;
 };
 
 }  // namespace testing
diff --git a/test/cpp/qps/secure_sync_unary_ping_pong_test.cc b/test/cpp/qps/secure_sync_unary_ping_pong_test.cc
index 359310b85606198725f8988e717409129ad41742..d0c47d102ad0b541f27e2e72c224ec6f7aa43833 100644
--- a/test/cpp/qps/secure_sync_unary_ping_pong_test.cc
+++ b/test/cpp/qps/secure_sync_unary_ping_pong_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 5;
-static const int BENCHMARK = 10;
+static const int BENCHMARK = 5;
 
 static void RunSynchronousUnaryPingPong() {
   gpr_log(GPR_INFO, "Running Synchronous Unary Ping Pong");
diff --git a/test/cpp/qps/server.h b/test/cpp/qps/server.h
index de46452c3d8eb0161563abd8a41d305e3b108eb2..e8bc39669621046b209efbd3228f09739073c143 100644
--- a/test/cpp/qps/server.h
+++ b/test/cpp/qps/server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/qps/server_async.cc b/test/cpp/qps/server_async.cc
index 2024e0bfef8ffde4b2fa7cad5e0ee29e27b13b52..a68f1ae7b672086d366d9af5182b210bb9335128 100644
--- a/test/cpp/qps/server_async.cc
+++ b/test/cpp/qps/server_async.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -130,8 +130,7 @@ class AsyncQpsServerTest : public Server {
     }
   }
   ~AsyncQpsServerTest() {
-    auto deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10);
-    server_->Shutdown(deadline);
+    server_->Shutdown();
     for (auto ss = shutdown_state_.begin(); ss != shutdown_state_.end(); ++ss) {
       (*ss)->set_shutdown();
     }
@@ -388,12 +387,14 @@ static Status ProcessGenericRPC(const PayloadConfig &payload_config,
 }
 
 std::unique_ptr<Server> CreateAsyncServer(const ServerConfig &config) {
-  return std::unique_ptr<Server>(new AsyncQpsServerTest<
-      SimpleRequest, SimpleResponse, BenchmarkService::AsyncService,
-      grpc::ServerContext>(
-      config, RegisterBenchmarkService,
-      &BenchmarkService::AsyncService::RequestUnaryCall,
-      &BenchmarkService::AsyncService::RequestStreamingCall, ProcessSimpleRPC));
+  return std::unique_ptr<Server>(
+      new AsyncQpsServerTest<SimpleRequest, SimpleResponse,
+                             BenchmarkService::AsyncService,
+                             grpc::ServerContext>(
+          config, RegisterBenchmarkService,
+          &BenchmarkService::AsyncService::RequestUnaryCall,
+          &BenchmarkService::AsyncService::RequestStreamingCall,
+          ProcessSimpleRPC));
 }
 std::unique_ptr<Server> CreateAsyncGenericServer(const ServerConfig &config) {
   return std::unique_ptr<Server>(
diff --git a/test/cpp/qps/server_sync.cc b/test/cpp/qps/server_sync.cc
index b7682f57635196226d2d4d46d016e386bc81d5af..9e64f470bf68f76b25db30f920a848195c72ae09 100644
--- a/test/cpp/qps/server_sync.cc
+++ b/test/cpp/qps/server_sync.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/qps/sync_streaming_ping_pong_test.cc b/test/cpp/qps/sync_streaming_ping_pong_test.cc
index e02c14c926d36e27324440dbce92e0873f4c010d..67c62f4baea6f3602dd9b97e09be22fb6038c4b3 100644
--- a/test/cpp/qps/sync_streaming_ping_pong_test.cc
+++ b/test/cpp/qps/sync_streaming_ping_pong_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 5;
-static const int BENCHMARK = 10;
+static const int BENCHMARK = 5;
 
 static void RunSynchronousStreamingPingPong() {
   gpr_log(GPR_INFO, "Running Synchronous Streaming Ping Pong");
diff --git a/test/cpp/qps/sync_unary_ping_pong_test.cc b/test/cpp/qps/sync_unary_ping_pong_test.cc
index 9d363c04fb2d445b4c0a256834c2ee92bfa30f97..aa0c0c3013900cdc475a4cb82f49820c29f80d58 100644
--- a/test/cpp/qps/sync_unary_ping_pong_test.cc
+++ b/test/cpp/qps/sync_unary_ping_pong_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@ namespace grpc {
 namespace testing {
 
 static const int WARMUP = 5;
-static const int BENCHMARK = 10;
+static const int BENCHMARK = 5;
 
 static void RunSynchronousUnaryPingPong() {
   gpr_log(GPR_INFO, "Running Synchronous Unary Ping Pong");
diff --git a/test/cpp/qps/usage_timer.cc b/test/cpp/qps/usage_timer.cc
index 6663a9ac1036b65727dadaf491bd5823b03626ff..ff595b2ba05127522aa01fce0fa90b9530ee3cfb 100644
--- a/test/cpp/qps/usage_timer.cc
+++ b/test/cpp/qps/usage_timer.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/qps/usage_timer.h b/test/cpp/qps/usage_timer.h
index d19f8205649e0ef6db6844c8b646e852e53ef71f..8343cd6653bf75bbdae0a909a084f232d89c8696 100644
--- a/test/cpp/qps/usage_timer.h
+++ b/test/cpp/qps/usage_timer.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/qps/worker.cc b/test/cpp/qps/worker.cc
index f42cfe3255a399c9a67d8b8c56445826b8894962..2068b7c213297095556d0c0e3509d8acbc262374 100644
--- a/test/cpp/qps/worker.cc
+++ b/test/cpp/qps/worker.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/util/benchmark_config.cc b/test/cpp/util/benchmark_config.cc
index 3c38221b4cbdabe8042e02f9c2240638becfcaa0..6fc864069ef05bf84c96ecd7bb275cb3e09c20dc 100644
--- a/test/cpp/util/benchmark_config.cc
+++ b/test/cpp/util/benchmark_config.cc
@@ -31,14 +31,14 @@
  *
  */
 
-#include <gflags/gflags.h>
 #include "test/cpp/util/benchmark_config.h"
+#include <gflags/gflags.h>
 
 DEFINE_bool(enable_log_reporter, true,
             "Enable reporting of benchmark results through GprLog");
 
-DEFINE_bool(report_metrics_db, false,
-            "True if metrics to be reported to performance database");
+DEFINE_string(scenario_result_file, "",
+              "Write JSON benchmark report to the file specified.");
 
 DEFINE_string(hashed_id, "", "Hash of the user id");
 
@@ -71,10 +71,9 @@ static std::shared_ptr<Reporter> InitBenchmarkReporters() {
     composite_reporter->add(
         std::unique_ptr<Reporter>(new GprLogReporter("LogReporter")));
   }
-  if (FLAGS_report_metrics_db) {
+  if (FLAGS_scenario_result_file != "") {
     composite_reporter->add(std::unique_ptr<Reporter>(
-        new PerfDbReporter("PerfDbReporter", FLAGS_hashed_id, FLAGS_test_name,
-                           FLAGS_sys_info, FLAGS_server_address, FLAGS_tag)));
+        new JsonReporter("JsonReporter", FLAGS_scenario_result_file)));
   }
 
   return std::shared_ptr<Reporter>(composite_reporter);
diff --git a/test/cpp/util/byte_buffer_test.cc b/test/cpp/util/byte_buffer_test.cc
index f36c32cac5b1d47527a2594875efcb8148ec8688..1167c790d4e82684c0eb5482dd7c948b4ca7c8d5 100644
--- a/test/cpp/util/byte_buffer_test.cc
+++ b/test/cpp/util/byte_buffer_test.cc
@@ -36,8 +36,8 @@
 #include <cstring>
 #include <vector>
 
-#include <grpc/support/slice.h>
 #include <grpc++/support/slice.h>
+#include <grpc/support/slice.h>
 #include <gtest/gtest.h>
 
 namespace grpc {
@@ -105,6 +105,24 @@ TEST_F(ByteBufferTest, Dump) {
   EXPECT_TRUE(SliceEqual(slices[1], world));
 }
 
+TEST_F(ByteBufferTest, SerializationMakesCopy) {
+  gpr_slice hello = gpr_slice_from_copied_string(kContent1);
+  gpr_slice world = gpr_slice_from_copied_string(kContent2);
+  std::vector<Slice> slices;
+  slices.push_back(Slice(hello, Slice::STEAL_REF));
+  slices.push_back(Slice(world, Slice::STEAL_REF));
+  grpc_byte_buffer* send_buffer = nullptr;
+  bool owned = false;
+  ByteBuffer buffer(&slices[0], 2);
+  slices.clear();
+  auto status = SerializationTraits<ByteBuffer, void>::Serialize(
+      buffer, &send_buffer, &owned);
+  EXPECT_TRUE(status.ok());
+  EXPECT_TRUE(owned);
+  EXPECT_TRUE(send_buffer != nullptr);
+  grpc_byte_buffer_destroy(send_buffer);
+}
+
 }  // namespace
 }  // namespace grpc
 
diff --git a/test/cpp/util/cli_call.cc b/test/cpp/util/cli_call.cc
index d452be360d18b1f080d6a364f5d0ae78b92235bd..99fad7f2fe99e8966c2d5c204bc51b7f20f5b5ab 100644
--- a/test/cpp/util/cli_call.cc
+++ b/test/cpp/util/cli_call.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/util/cli_call_test.cc b/test/cpp/util/cli_call_test.cc
index 5fdf5193209872236f3c243f02b9de5fa77059bf..75e90f824f545be12dd49f95e13df56a1e738c0b 100644
--- a/test/cpp/util/cli_call_test.cc
+++ b/test/cpp/util/cli_call_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,18 +33,18 @@
 
 #include "test/cpp/util/cli_call.h"
 
-#include <grpc/grpc.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
+#include <grpc/grpc.h>
 #include <gtest/gtest.h>
 
+#include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
-#include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/cpp/util/string_ref_helper.h"
 
 using grpc::testing::EchoRequest;
diff --git a/test/cpp/util/create_test_channel.cc b/test/cpp/util/create_test_channel.cc
index 0cd9f9e76738c459ecf26434a502a754bad812a6..fe8b5d54235b1bd2fe64c24e4bf63db290ec95a3 100644
--- a/test/cpp/util/create_test_channel.cc
+++ b/test/cpp/util/create_test_channel.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -58,8 +58,9 @@ namespace grpc {
 std::shared_ptr<Channel> CreateTestChannel(
     const grpc::string& server, const grpc::string& override_hostname,
     bool enable_ssl, bool use_prod_roots,
-    const std::shared_ptr<CallCredentials>& creds) {
-  ChannelArguments channel_args;
+    const std::shared_ptr<CallCredentials>& creds,
+    const ChannelArguments& args) {
+  ChannelArguments channel_args(args);
   if (enable_ssl) {
     const char* roots_certs = use_prod_roots ? "" : test_root_cert;
     SslCredentialsOptions ssl_opts = {roots_certs, "", ""};
@@ -81,6 +82,14 @@ std::shared_ptr<Channel> CreateTestChannel(
   }
 }
 
+std::shared_ptr<Channel> CreateTestChannel(
+    const grpc::string& server, const grpc::string& override_hostname,
+    bool enable_ssl, bool use_prod_roots,
+    const std::shared_ptr<CallCredentials>& creds) {
+  return CreateTestChannel(server, override_hostname, enable_ssl,
+                           use_prod_roots, creds, ChannelArguments());
+}
+
 std::shared_ptr<Channel> CreateTestChannel(
     const grpc::string& server, const grpc::string& override_hostname,
     bool enable_ssl, bool use_prod_roots) {
diff --git a/test/cpp/util/create_test_channel.h b/test/cpp/util/create_test_channel.h
index b50d653de3b9d2744949709acd7eaf5c3f5e5492..4ff666dc1bc43b48cf6eb75ca55e7684d86a0319 100644
--- a/test/cpp/util/create_test_channel.h
+++ b/test/cpp/util/create_test_channel.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -53,6 +53,12 @@ std::shared_ptr<Channel> CreateTestChannel(
     bool enable_ssl, bool use_prod_roots,
     const std::shared_ptr<CallCredentials>& creds);
 
+std::shared_ptr<Channel> CreateTestChannel(
+    const grpc::string& server, const grpc::string& override_hostname,
+    bool enable_ssl, bool use_prod_roots,
+    const std::shared_ptr<CallCredentials>& creds,
+    const ChannelArguments& args);
+
 }  // namespace grpc
 
 #endif  // GRPC_TEST_CPP_UTIL_CREATE_TEST_CHANNEL_H
diff --git a/test/cpp/util/grpc_cli.cc b/test/cpp/util/grpc_cli.cc
index f9b9f0c40a0054377b8b21ea79c2cbe413db7a74..68cf4114a8d720d3f7c61bdf5959767108a63503 100644
--- a/test/cpp/util/grpc_cli.cc
+++ b/test/cpp/util/grpc_cli.cc
@@ -65,11 +65,11 @@
 #include <sstream>
 
 #include <gflags/gflags.h>
-#include <grpc/grpc.h>
 #include <grpc++/channel.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/security/credentials.h>
 #include <grpc++/support/string_ref.h>
+#include <grpc/grpc.h>
 
 #include "test/cpp/util/cli_call.h"
 #include "test/cpp/util/string_ref_helper.h"
diff --git a/test/cpp/util/metrics_server.cc b/test/cpp/util/metrics_server.cc
index 34d51eb3169e4e5c2416dda753d33c1c9c94fc6b..d9b44a6a925b71f760f195c9d5373f6cd2689777 100644
--- a/test/cpp/util/metrics_server.cc
+++ b/test/cpp/util/metrics_server.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/cpp/util/subprocess.cc b/test/cpp/util/subprocess.cc
index 33f3820a2bbfff2c796829572386649f68170c7e..00c6244a4f174d545252a548a4a7de7325216661 100644
--- a/test/cpp/util/subprocess.cc
+++ b/test/cpp/util/subprocess.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,15 +39,15 @@
 
 namespace grpc {
 
-static gpr_subprocess *MakeProcess(std::initializer_list<std::string> args) {
-  std::vector<const char *> vargs;
+static gpr_subprocess* MakeProcess(const std::vector<std::string>& args) {
+  std::vector<const char*> vargs;
   for (auto it = args.begin(); it != args.end(); ++it) {
     vargs.push_back(it->c_str());
   }
   return gpr_subprocess_create(vargs.size(), &vargs[0]);
 }
 
-SubProcess::SubProcess(std::initializer_list<std::string> args)
+SubProcess::SubProcess(const std::vector<std::string>& args)
     : subprocess_(MakeProcess(args)) {}
 
 SubProcess::~SubProcess() { gpr_subprocess_destroy(subprocess_); }
diff --git a/test/cpp/util/subprocess.h b/test/cpp/util/subprocess.h
index 8fafe3d1772febd4be424420371c63133a933549..f7b553ae030e0616fd626098a4cd54df2baa9785 100644
--- a/test/cpp/util/subprocess.h
+++ b/test/cpp/util/subprocess.h
@@ -36,6 +36,7 @@
 
 #include <initializer_list>
 #include <string>
+#include <vector>
 
 struct gpr_subprocess;
 
@@ -43,7 +44,7 @@ namespace grpc {
 
 class SubProcess {
  public:
-  SubProcess(std::initializer_list<std::string> args);
+  SubProcess(const std::vector<std::string>& args);
   ~SubProcess();
 
   int Join();
diff --git a/test/cpp/util/test_config.cc b/test/cpp/util/test_config.cc
index e74f8fb14f13d7aeb53e63f35aac5b7638e9790a..871174612923acae347ca408912706f7ff4f08ee 100644
--- a/test/cpp/util/test_config.cc
+++ b/test/cpp/util/test_config.cc
@@ -31,8 +31,8 @@
  *
  */
 
-#include <gflags/gflags.h>
 #include "test/cpp/util/test_config.h"
+#include <gflags/gflags.h>
 
 // In some distros, gflags is in the namespace google, and in some others,
 // in gflags. This hack is enabling us to find both.
diff --git a/test/cpp/util/test_credentials_provider.cc b/test/cpp/util/test_credentials_provider.cc
index e314fd6d75a84db3f56a509c6b6fbe0a97af7af9..9c09a73115b4da55c7125cc4a1fd8daa31b3dd03 100644
--- a/test/cpp/util/test_credentials_provider.cc
+++ b/test/cpp/util/test_credentials_provider.cc
@@ -36,8 +36,8 @@
 
 #include <unordered_map>
 
-#include <grpc/support/sync.h>
 #include <grpc++/impl/sync.h>
+#include <grpc/support/sync.h>
 
 #include "test/core/end2end/data/ssl_test_data.h"
 
diff --git a/test/cpp/util/time_test.cc b/test/cpp/util/time_test.cc
index 48c6ce7697ca0b923bbd51fec6635790e530edcb..a292c210c82b98cf4e70efc127095b0dd51acdea 100644
--- a/test/cpp/util/time_test.cc
+++ b/test/cpp/util/time_test.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#include <grpc/support/time.h>
 #include <grpc++/support/time.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
 using std::chrono::duration_cast;
diff --git a/test/distrib/csharp/DistribTest/Program.cs b/test/distrib/csharp/DistribTest/Program.cs
index e944648f179906bd8eb4bbe862e20dd7b4ce921f..c68b380547a21a2a8e9fafd280de01289faa138f 100644
--- a/test/distrib/csharp/DistribTest/Program.cs
+++ b/test/distrib/csharp/DistribTest/Program.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/test/distrib/csharp/run_distrib_test.sh b/test/distrib/csharp/run_distrib_test.sh
index 934174a9a4e54a30607929867536695e248be424..64e98d800968728bdc641c30f41c8866084fe3f3 100755
--- a/test/distrib/csharp/run_distrib_test.sh
+++ b/test/distrib/csharp/run_distrib_test.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/test/distrib/csharp/update_version.sh b/test/distrib/csharp/update_version.sh
index b0d07721f6ccbbf74468922e083a7c1d2b57056f..189d0ad357245ebc9fb92a4a580230514085442c 100755
--- a/test/distrib/csharp/update_version.sh
+++ b/test/distrib/csharp/update_version.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/test/distrib/node/distrib_test.js b/test/distrib/node/distrib_test.js
index cdd8eba8b8c845a20bf681b21236296e389cd5d5..8efd33ad8d650e3c592bd00de2efed9cd510d1d5 100755
--- a/test/distrib/node/distrib_test.js
+++ b/test/distrib/node/distrib_test.js
@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/distrib/node/run_distrib_test.sh b/test/distrib/node/run_distrib_test.sh
index 9b8f15771b839b2a64afcdb9e15176c86c83867a..d429eb27e18c9d2aebf3b74b891a4774b518038d 100755
--- a/test/distrib/node/run_distrib_test.sh
+++ b/test/distrib/node/run_distrib_test.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -28,23 +28,31 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+function finish() {
+  rv=$?
+  kill $STATIC_PID || true
+  curl "localhost:32767/drop/$STATIC_PORT" || true
+  exit $rv
+}
+
+trap finish EXIT
+
 NODE_VERSION=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 cd $(dirname $0)
 
 nvm install $NODE_VERSION
+set -ex
 
 npm install -g node-static
 
-# Kill off existing static servers
-kill -9 $(ps aux | grep '[n]ode .*static' | awk '{print $2}') || true
-
 STATIC_SERVER=127.0.0.1
-STATIC_PORT=8080
+# If port_server is running, get port from that. Otherwise, assume we're in
+# docker and use 8080
+STATIC_PORT=$(curl 'localhost:32767/get' || echo '8080')
 
-# Serves the input_artifacts directory statically at localhost:8080
+# Serves the input_artifacts directory statically at localhost:
 static "$EXTERNAL_GIT_ROOT/input_artifacts" -a $STATIC_SERVER -p $STATIC_PORT &
 STATIC_PID=$!
 
@@ -52,6 +60,4 @@ STATIC_URL="http://$STATIC_SERVER:$STATIC_PORT/"
 
 npm install --unsafe-perm $STATIC_URL/grpc.tgz --grpc_node_binary_host_mirror=$STATIC_URL
 
-kill -9 $STATIC_PID
-
 ./distrib_test.js
diff --git a/test/distrib/php/run_distrib_test.sh b/test/distrib/php/run_distrib_test.sh
index 43b28d842903c1b9213975552ae3f91e59676926..5c86283282c1037b31af2a2de094d0c02c119949 100755
--- a/test/distrib/php/run_distrib_test.sh
+++ b/test/distrib/php/run_distrib_test.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/test/distrib/python/run_distrib_test.sh b/test/distrib/python/run_distrib_test.sh
index 8fd7ffb54c8ad9f07571ef929efd7d35ab0cd610..79893af8e54be78471473a9931b390e9e6b01ca5 100755
--- a/test/distrib/python/run_distrib_test.sh
+++ b/test/distrib/python/run_distrib_test.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/test/distrib/ruby/run_distrib_test.sh b/test/distrib/ruby/run_distrib_test.sh
index be60e44b63991be4ca84ea6aa2dae5b9992e7588..b0954b049915f3672f03583505b951cc903093dc 100755
--- a/test/distrib/ruby/run_distrib_test.sh
+++ b/test/distrib/ruby/run_distrib_test.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/third_party/boringssl b/third_party/boringssl
index 9f897b25800d2f54f5c442ef01a60721aeca6d87..c880e42ba1c8032d4cdde2aba0541d8a9d9fa2e9 160000
--- a/third_party/boringssl
+++ b/third_party/boringssl
@@ -1 +1 @@
-Subproject commit 9f897b25800d2f54f5c442ef01a60721aeca6d87
+Subproject commit c880e42ba1c8032d4cdde2aba0541d8a9d9fa2e9
diff --git a/tools/buildgen/build-cleaner.py b/tools/buildgen/build-cleaner.py
index 12054da238eeb992ad5b67a9b23a4d3f1ac39387..f09a01fc57f0d58f6bd47ee21f4cb8a48cdb2dd2 100755
--- a/tools/buildgen/build-cleaner.py
+++ b/tools/buildgen/build-cleaner.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/buildgen/bunch.py b/tools/buildgen/bunch.py
index 3f5af53778f1445407baaac53a1b01443a1369ba..9d9dafaad08a02e7bdff238aeadaa229e2969f3a 100755
--- a/tools/buildgen/bunch.py
+++ b/tools/buildgen/bunch.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/buildgen/generate_build_additions.sh b/tools/buildgen/generate_build_additions.sh
index 4e7ba9ebb94673a1bff0ba0aa464c63d800df8d8..9a1a7a7249117d575e4ed958e2f3fef67e8e45aa 100644
--- a/tools/buildgen/generate_build_additions.sh
+++ b/tools/buildgen/generate_build_additions.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -34,7 +34,8 @@ gen_build_yaml_dirs="  \
   src/zlib             \
   test/core/bad_client \
   test/core/bad_ssl    \
-  test/core/end2end"
+  test/core/end2end    \
+  test/cpp/qps"
 gen_build_files=""
 for gen_build_yaml in $gen_build_yaml_dirs
 do
@@ -42,4 +43,3 @@ do
   $gen_build_yaml/gen_build_yaml.py > $output_file
   gen_build_files="$gen_build_files $output_file"
 done
-
diff --git a/tools/buildgen/generate_projects.py b/tools/buildgen/generate_projects.py
index 0602d93e56347a9474d0266216d594467f3d1eed..5e78ad52d6bfdb3bb77d12cb60d085d410601dd8 100755
--- a/tools/buildgen/generate_projects.py
+++ b/tools/buildgen/generate_projects.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python2.7
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -47,6 +47,7 @@ os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '..', '..'))
 argp = argparse.ArgumentParser()
 argp.add_argument('build_files', nargs='+', default=[])
 argp.add_argument('--templates', nargs='+', default=[])
+argp.add_argument('--output_merged', default=None, type=str)
 argp.add_argument('--jobs', '-j', default=multiprocessing.cpu_count(), type=int)
 args = argp.parse_args()
 
@@ -74,6 +75,9 @@ for js in json:
 cmd.append('-w')
 preprocessed_build = '.preprocessed_build'
 cmd.append(preprocessed_build)
+if args.output_merged is not None:
+  cmd.append('-M')
+  cmd.append(args.output_merged)
 pre_jobs.append(jobset.JobSpec(cmd, shortname='preprocess', timeout_seconds=None))
 
 jobs = []
diff --git a/tools/buildgen/mako_renderer.py b/tools/buildgen/mako_renderer.py
index 5f23f123c2df11b39c15fe4f16e37d8e58701c24..866e6fdb0632886fb1deb36f79066f3c0b93a310 100755
--- a/tools/buildgen/mako_renderer.py
+++ b/tools/buildgen/mako_renderer.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -81,9 +81,10 @@ def main(argv):
   plugins = []
   output_name = None
   got_preprocessed_input = False
+  output_merged = None
 
   try:
-    opts, args = getopt.getopt(argv, 'hm:d:o:p:t:P:w:')
+    opts, args = getopt.getopt(argv, 'hM:m:d:o:p:t:P:w:')
   except getopt.GetoptError:
     out('Unknown option')
     showhelp()
@@ -107,6 +108,12 @@ def main(argv):
         showhelp()
         sys.exit(4)
       module_directory = arg
+    elif opt == '-M':
+      if output_merged is not None:
+        out('Got more than one output merged path')
+        showhelp()
+        sys.exit(5)
+      output_merged = arg
     elif opt == '-P':
       assert not got_preprocessed_input
       assert json_dict == {}
@@ -126,6 +133,9 @@ def main(argv):
   if not got_preprocessed_input:
     for plugin in plugins:
       plugin.mako_plugin(json_dict)
+    if output_merged:
+      with open(output_merged, 'w') as yaml_file:
+        yaml_file.write(yaml.dump(json_dict))
     for k, v in json_dict.items():
       dictionary[k] = bunch.to_bunch(v)
 
diff --git a/tools/buildgen/plugins/expand_bin_attrs.py b/tools/buildgen/plugins/expand_bin_attrs.py
index c30df2ad892753959bca62af17ef1710be903aa3..dc72bf3b9d1370f9f549096bdfe671f24b0b9f27 100755
--- a/tools/buildgen/plugins/expand_bin_attrs.py
+++ b/tools/buildgen/plugins/expand_bin_attrs.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/buildgen/plugins/expand_filegroups.py b/tools/buildgen/plugins/expand_filegroups.py
index 156bdc44171cbc323f9382fd7dc762a463bfece3..477e69c869638153eb4be557afa59a8df6a99524 100755
--- a/tools/buildgen/plugins/expand_filegroups.py
+++ b/tools/buildgen/plugins/expand_filegroups.py
@@ -42,6 +42,24 @@ def excluded(filename, exclude_res):
   return False
 
 
+def uniquify(lst):
+  out = []
+  for el in lst:
+    if el not in out:
+      out.append(el)
+  return out
+
+
+FILEGROUP_LISTS = ['src', 'headers', 'public_headers', 'deps']
+
+
+FILEGROUP_DEFAULTS = {
+  'language': 'c',
+  'boringssl': False,
+  'zlib': False,
+}
+
+
 def mako_plugin(dictionary):
   """The exported plugin code for expand_filegroups.
 
@@ -51,24 +69,98 @@ def mako_plugin(dictionary):
 
   """
   libs = dictionary.get('libs')
+  targets = dictionary.get('targets')
   filegroups_list = dictionary.get('filegroups')
   filegroups = {}
 
   for fg in filegroups_list:
-    filegroups[fg['name']] = fg
+    for lst in FILEGROUP_LISTS:
+      fg[lst] = fg.get(lst, [])
+      fg['own_%s' % lst] = list(fg[lst])
+    for attr, val in FILEGROUP_DEFAULTS.iteritems():
+      if attr not in fg:
+        fg[attr] = val
 
-  for lib in libs:
-    for fg_name in lib.get('filegroups', []):
-      fg = filegroups[fg_name]
+  todo = list(filegroups_list)
+  skips = 0
+
+  while todo:
+    assert skips != len(todo), "infinite loop in filegroup uses clauses"
+    # take the first element of the todo list
+    cur = todo[0]
+    todo = todo[1:]
+    # check all uses filegroups are present (if no, skip and come back later)
+    skip = False
+    for uses in cur.get('uses', []):
+      if uses not in filegroups:
+        skip = True
+    if skip:
+      skips += 1
+      todo.append(cur)
+    else:
+      skips = 0
+      assert 'plugins' not in cur
+      plugins = []
+      for uses in cur.get('uses', []):
+        for plugin in filegroups[uses]['plugins']:
+          if plugin not in plugins:
+            plugins.append(plugin)
+        for lst in FILEGROUP_LISTS:
+          vals = cur.get(lst, [])
+          vals.extend(filegroups[uses].get(lst, []))
+          cur[lst] = vals
+      cur_plugin_name = cur.get('plugin')
+      if cur_plugin_name:
+        plugins.append(cur_plugin_name)
+      cur['plugins'] = plugins
+      filegroups[cur['name']] = cur
 
-      src = lib.get('src', [])
-      src.extend(fg.get('src', []))
-      lib['src'] = src
+  # build reverse dependency map
+  things = {}
+  for thing in dictionary['libs'] + dictionary['targets'] + dictionary['filegroups']:
+    things[thing['name']] = thing
+    thing['used_by'] = []
+  thing_deps = lambda t: t.get('uses', []) + t.get('filegroups', []) + t.get('deps', [])
+  for thing in things.itervalues():
+    done = set()
+    todo = thing_deps(thing)
+    while todo:
+      cur = todo[0]
+      todo = todo[1:]
+      if cur in done: continue
+      things[cur]['used_by'].append(thing['name'])
+      todo.extend(thing_deps(things[cur]))
+      done.add(cur)
 
-      headers = lib.get('headers', [])
-      headers.extend(fg.get('headers', []))
-      lib['headers'] = headers
+  # the above expansion can introduce duplicate filenames: contract them here
+  for fg in filegroups.itervalues():
+    for lst in FILEGROUP_LISTS:
+      fg[lst] = uniquify(fg.get(lst, []))
 
-      public_headers = lib.get('public_headers', [])
-      public_headers.extend(fg.get('public_headers', []))
-      lib['public_headers'] = public_headers
+  for tgt in dictionary['targets']:
+    for lst in FILEGROUP_LISTS:
+      tgt[lst] = tgt.get(lst, [])
+      tgt['own_%s' % lst] = list(tgt[lst])
+
+  for lib in libs + targets:
+    assert 'plugins' not in lib
+    plugins = []
+    for lst in FILEGROUP_LISTS:
+      vals = lib.get(lst, [])
+      lib[lst] = list(vals)
+      lib['own_%s' % lst] = list(vals)
+    for fg_name in lib.get('filegroups', []):
+      fg = filegroups[fg_name]
+      for plugin in fg['plugins']:
+        if plugin not in plugins:
+          plugins.append(plugin)
+      for lst in FILEGROUP_LISTS:
+        vals = lib.get(lst, [])
+        vals.extend(fg.get(lst, []))
+        lib[lst] = vals
+      lib['plugins'] = plugins
+    if lib.get('generate_plugin_registry', False):
+      lib['src'].append('src/core/plugin_registry/%s_plugin_registry.c' %
+                        lib['name'])
+    for lst in FILEGROUP_LISTS:
+      lib[lst] = uniquify(lib.get(lst, []))
diff --git a/tools/buildgen/plugins/expand_version.py b/tools/buildgen/plugins/expand_version.py
index b55e1b15ff8278c6b8c98c7764635a974882b1ab..dd77f7af125ba0788823a5ed6c03748bc3738429 100755
--- a/tools/buildgen/plugins/expand_version.py
+++ b/tools/buildgen/plugins/expand_version.py
@@ -84,6 +84,11 @@ class Version:
     else:
       return '%d.%d.%d' % (self.major, self.minor, self.patch)
 
+  def php(self):
+    """Version string in PHP style"""
+    """PECL does not allow tag in version string"""
+    return '%d.%d.%d' % (self.major, self.minor, self.patch)
+
 def mako_plugin(dictionary):
   """Expand version numbers:
      - for each language, ensure there's a language_version tag in
diff --git a/tools/buildgen/plugins/make_fuzzer_tests.py b/tools/buildgen/plugins/make_fuzzer_tests.py
new file mode 100644
index 0000000000000000000000000000000000000000..9d0006973ad50644a6940017a479e504f8af2a53
--- /dev/null
+++ b/tools/buildgen/plugins/make_fuzzer_tests.py
@@ -0,0 +1,58 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Create tests for each fuzzer"""
+
+import copy
+import glob
+
+def mako_plugin(dictionary):
+  targets = dictionary['targets']
+  tests = dictionary['tests']
+  for tgt in targets:
+    if tgt['build'] == 'fuzzer':
+      new_target = copy.deepcopy(tgt)
+      new_target['build'] = 'test'
+      new_target['name'] += '_one_entry'
+      new_target['run'] = False
+      new_target['src'].append('test/core/util/one_corpus_entry_fuzzer.c')
+      new_target['own_src'].append('test/core/util/one_corpus_entry_fuzzer.c')
+      targets.append(new_target)
+      for corpus in new_target['corpus_dirs']:
+        for fn in sorted(glob.glob('%s/*' % corpus)):
+          tests.append({
+              'name': new_target['name'],
+              'args': [fn],
+              'exclude_configs': [],
+              'platforms': ['linux'],
+              'ci_platforms': ['linux'],
+              'flaky': False,
+              'language': 'c',
+              'cpu_cost': 0.1,
+          })
diff --git a/tools/buildgen/plugins/transitive_dependencies.py b/tools/buildgen/plugins/transitive_dependencies.py
index 01e7f61ea9d630c4537cb4201d1f78bd9330f215..176c8fa8962b80927703a4d84e725d914ee8b3ea 100644
--- a/tools/buildgen/plugins/transitive_dependencies.py
+++ b/tools/buildgen/plugins/transitive_dependencies.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/codegen/core/gen_hpack_tables.c b/tools/codegen/core/gen_hpack_tables.c
index bae4e4cd7340f3b591cac3892a68090e6164ba8b..33c68a2c69dc2ad3d551c07d9df40a98f2dd6ad0 100644
--- a/tools/codegen/core/gen_hpack_tables.c
+++ b/tools/codegen/core/gen_hpack_tables.c
@@ -33,13 +33,13 @@
 
 /* generates constant tables for hpack.c */
 
+#include <assert.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <string.h>
-#include <assert.h>
 
 #include <grpc/support/log.h>
-#include "src/core/transport/chttp2/huffsyms.h"
+#include "src/core/ext/transport/chttp2/transport/huffsyms.h"
 
 /*
  * first byte LUT generation
diff --git a/tools/codegen/core/gen_legal_metadata_characters.c b/tools/codegen/core/gen_legal_metadata_characters.c
index 10605d52bfa7bb07aaae36fa734321505b8a8951..6ac32656cbb2b28d2b68c38c6e56c181307319a3 100644
--- a/tools/codegen/core/gen_legal_metadata_characters.c
+++ b/tools/codegen/core/gen_legal_metadata_characters.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/tools/codegen/core/gen_load_balancing_proto.sh b/tools/codegen/core/gen_nano_proto.sh
similarity index 78%
rename from tools/codegen/core/gen_load_balancing_proto.sh
rename to tools/codegen/core/gen_nano_proto.sh
index fb6a468ee0b68d376919750427e89f5f46b23ffb..e2d2f672e93f9e1fb6df5eaef509687a4cfa2481 100755
--- a/tools/codegen/core/gen_load_balancing_proto.sh
+++ b/tools/codegen/core/gen_nano_proto.sh
@@ -31,8 +31,16 @@
 
 #
 # Example usage:
-#   tools/codegen/core/gen_load_balancing_proto.sh \
+#   tools/codegen/core/gen_nano_proto.sh \
 #     src/proto/grpc/lb/v0/load_balancer.proto
+#     $PWD/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0
+#
+# Exit statuses:
+# 1: Incorrect number of arguments
+# 2: Input proto file (1st argument) doesn't exist or is not a regular file.
+# 3: Options file for nanopb not found in same dir as the input proto file.
+# 4: Output dir not an absolute path.
+# 5: Couldn't create output directory (2nd argument).
 
 read -r -d '' COPYRIGHT <<'EOF'
 /*
@@ -75,34 +83,37 @@ COPYRIGHT_FILE=$(mktemp)
 echo "${COPYRIGHT/<YEAR>/$CURRENT_YEAR}" > $COPYRIGHT_FILE
 
 set -ex
-if [ $# -eq 0 ]; then
-  echo "Usage: $0 <load_balancer.proto> [output dir]"
+if [ $# -lt 2 ] || [ $# -gt 3 ]; then
+  echo "Usage: $0 <input.proto> <absolute path to output dir> [grpc path]"
   exit 1
 fi
 
-readonly GRPC_ROOT=$PWD
-
-OUTPUT_DIR="$GRPC_ROOT/src/core/proto/grpc/lb/v0"
-if [ $# -eq 2 ]; then
-  mkdir -p "$2"
-  if [ $? != 0 ]; then
-    echo "Error creating output directory $2"
-    exit 2
-  fi
-  OUTPUT_DIR="$2"
-fi
-
+readonly GRPC_ROOT="$PWD"
+readonly INPUT_PROTO="$1"
+readonly OUTPUT_DIR="$2"
+readonly GRPC_OUTPUT_DIR="${3:-$OUTPUT_DIR}"
 readonly EXPECTED_OPTIONS_FILE_PATH="${1%.*}.options"
 
-if [[ ! -f "$1" ]]; then
-  echo "Input proto file '$1' doesn't exist."
-  exit 3
+if [[ ! -f "$INPUT_PROTO" ]]; then
+  echo "Input proto file '$INPUT_PROTO' doesn't exist."
+  exit 2
 fi
 if [[ ! -f "${EXPECTED_OPTIONS_FILE_PATH}" ]]; then
   echo "Expected nanopb options file '${EXPECTED_OPTIONS_FILE_PATH}' missing"
+  exit 3
+fi
+
+if [[ "${OUTPUT_DIR:0:1}" != '/' ]]; then
+  echo "The output directory must be an absolute path. Got '$OUTPUT_DIR'"
   exit 4
 fi
 
+mkdir -p "$OUTPUT_DIR"
+if [ $? != 0 ]; then
+  echo "Error creating output directory $OUTPUT_DIR"
+  exit 5
+fi
+
 readonly VENV_DIR=$(mktemp -d)
 readonly VENV_NAME="nanopb-$(date '+%Y%m%d_%H%M%S_%N')"
 pushd $VENV_DIR
@@ -114,16 +125,16 @@ popd
 # ideally we'd update this as a template to ensure that
 pip install protobuf==3.0.0b2
 
-pushd "$(dirname $1)" > /dev/null
+pushd "$(dirname $INPUT_PROTO)" > /dev/null
 
 protoc \
 --plugin=protoc-gen-nanopb="$GRPC_ROOT/third_party/nanopb/generator/protoc-gen-nanopb" \
 --nanopb_out='-T -L#include\ \"third_party/nanopb/pb.h\"'":$OUTPUT_DIR" \
-"$(basename $1)"
+"$(basename $INPUT_PROTO)"
 
-readonly PROTO_BASENAME=$(basename $1 .proto)
-sed -i "s:$PROTO_BASENAME.pb.h:src/core/proto/grpc/lb/v0/$PROTO_BASENAME.pb.h:g" \
-    "$OUTPUT_DIR/$PROTO_BASENAME.pb.c"
+readonly PROTO_BASENAME=$(basename $INPUT_PROTO .proto)
+sed -i "s:$PROTO_BASENAME.pb.h:${GRPC_OUTPUT_DIR}/$PROTO_BASENAME.pb.h:g" \
+  "$OUTPUT_DIR/$PROTO_BASENAME.pb.c"
 
 # prepend copyright
 TMPFILE=$(mktemp)
diff --git a/tools/codegen/core/gen_static_metadata.py b/tools/codegen/core/gen_static_metadata.py
index e6ae00e61126dc8269305a8dd966e8e71c6d111d..b38555e355350b442c0044b7943e9a3383da8b26 100755
--- a/tools/codegen/core/gen_static_metadata.py
+++ b/tools/codegen/core/gen_static_metadata.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python2.7
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -69,6 +69,7 @@ CONFIG = [
     (':scheme', 'grpc'),
     (':authority', ''),
     (':method', 'GET'),
+    (':method', 'PUT'),
     (':path', '/'),
     (':path', '/index.html'),
     (':status', '204'),
@@ -196,7 +197,7 @@ for mask in range(1, 1<<len(COMPRESSION_ALGORITHMS)):
   all_strs.add(val)
   all_elems.add(elem)
   compression_elems.append(elem)
-  static_userdata[elem] = 1 + mask
+  static_userdata[elem] = 1 + (mask | 1)
 all_strs = sorted(list(all_strs), key=mangle)
 all_elems = sorted(list(all_elems), key=mangle)
 
@@ -204,6 +205,7 @@ all_elems = sorted(list(all_elems), key=mangle)
 args = sys.argv[1:]
 H = None
 C = None
+D = None
 if args:
   if 'header' in args:
     H = sys.stdout
@@ -213,11 +215,17 @@ if args:
     C = sys.stdout
   else:
     C = open('/dev/null', 'w')
+  if 'dictionary' in args:
+    D = sys.stdout
+  else:
+    D = open('/dev/null', 'w')
 else:
   H = open(os.path.join(
-      os.path.dirname(sys.argv[0]), '../../../src/core/transport/static_metadata.h'), 'w')
+      os.path.dirname(sys.argv[0]), '../../../src/core/lib/transport/static_metadata.h'), 'w')
   C = open(os.path.join(
-      os.path.dirname(sys.argv[0]), '../../../src/core/transport/static_metadata.c'), 'w')
+      os.path.dirname(sys.argv[0]), '../../../src/core/lib/transport/static_metadata.c'), 'w')
+  D = open(os.path.join(
+      os.path.dirname(sys.argv[0]), '../../../test/core/end2end/fuzzers/hpack.dictionary'), 'w')
 
 # copy-paste copyright notice from this file
 with open(sys.argv[0]) as my_source:
@@ -232,25 +240,41 @@ with open(sys.argv[0]) as my_source:
     if line[0] != '#':
       break
     copyright.append(line)
-  put_banner([H,C], [line[1:].strip() for line in copyright])
+  put_banner([H,C], [line[2:].rstrip() for line in copyright])
+
+
+hex_bytes = [ord(c) for c in "abcdefABCDEF0123456789"]
+
+
+def esc_dict(line):
+  out = "\""
+  for c in line:
+    if 32 <= c < 127:
+      if c != ord('"'):
+        out += chr(c)
+      else:
+        out += "\\\""
+    else:
+      out += "\\x%02X" % c
+  return out + "\""
 
 put_banner([H,C],
 """WARNING: Auto-generated code.
 
-To make changes to this file, change tools/codegen/core/gen_static_metadata.py,
-and then re-run it.
+To make changes to this file, change
+tools/codegen/core/gen_static_metadata.py, and then re-run it.
 
-See metadata.h for an explanation of the interface here, and metadata.c for an
-explanation of what's going on.
+See metadata.h for an explanation of the interface here, and metadata.c for
+an explanation of what's going on.
 """.splitlines())
 
-print >>H, '#ifndef GRPC_INTERNAL_CORE_TRANSPORT_STATIC_METADATA_H'
-print >>H, '#define GRPC_INTERNAL_CORE_TRANSPORT_STATIC_METADATA_H'
+print >>H, '#ifndef GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H'
+print >>H, '#define GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H'
 print >>H
-print >>H, '#include "src/core/transport/metadata.h"'
+print >>H, '#include "src/core/lib/transport/metadata.h"'
 print >>H
 
-print >>C, '#include "src/core/transport/static_metadata.h"'
+print >>C, '#include "src/core/lib/transport/static_metadata.h"'
 print >>C
 
 print >>H, '#define GRPC_STATIC_MDSTR_COUNT %d' % len(all_strs)
@@ -262,15 +286,22 @@ print >>H
 print >>C, 'grpc_mdstr grpc_static_mdstr_table[GRPC_STATIC_MDSTR_COUNT];'
 print >>C
 
+print >>D, '# hpack fuzzing dictionary'
+for i, elem in enumerate(all_strs):
+  print >>D, '%s' % (esc_dict([len(elem)] + [ord(c) for c in elem]))
+for i, elem in enumerate(all_elems):
+  print >>D, '%s' % (esc_dict([0, len(elem[0])] + [ord(c) for c in elem[0]] +
+                              [len(elem[1])] + [ord(c) for c in elem[1]]))
+
 print >>H, '#define GRPC_STATIC_MDELEM_COUNT %d' % len(all_elems)
 print >>H, 'extern grpc_mdelem grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT];'
-print >>H, 'extern gpr_uintptr grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT];'
+print >>H, 'extern uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT];'
 for i, elem in enumerate(all_elems):
   print >>H, '/* "%s": "%s" */' % elem
   print >>H, '#define %s (&grpc_static_mdelem_table[%d])' % (mangle(elem).upper(), i)
 print >>H
 print >>C, 'grpc_mdelem grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT];'
-print >>C, 'gpr_uintptr grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT] = {'
+print >>C, 'uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT] = {'
 print >>C, '  %s' % ','.join('%d' % static_userdata.get(elem, 0) for elem in all_elems)
 print >>C, '};'
 print >>C
@@ -285,8 +316,8 @@ def md_idx(m):
     if m == m2:
       return i
 
-print >>H, 'extern const gpr_uint8 grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT*2];'
-print >>C, 'const gpr_uint8 grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT*2] = {'
+print >>H, 'extern const uint8_t grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT*2];'
+print >>C, 'const uint8_t grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT*2] = {'
 print >>C, ','.join('%d' % str_idx(x) for x in itertools.chain.from_iterable([a,b] for a, b in all_elems))
 print >>C, '};'
 print >>C
@@ -297,16 +328,15 @@ print >>C, '%s' % ',\n'.join('  "%s"' % s for s in all_strs)
 print >>C, '};'
 print >>C
 
-print >>H, 'extern const gpr_uint8 grpc_static_accept_encoding_metadata[%d];' % (1 << len(COMPRESSION_ALGORITHMS))
-print >>C, 'const gpr_uint8 grpc_static_accept_encoding_metadata[%d] = {' % (1 << len(COMPRESSION_ALGORITHMS))
+print >>H, 'extern const uint8_t grpc_static_accept_encoding_metadata[%d];' % (1 << len(COMPRESSION_ALGORITHMS))
+print >>C, 'const uint8_t grpc_static_accept_encoding_metadata[%d] = {' % (1 << len(COMPRESSION_ALGORITHMS))
 print >>C, '0,%s' % ','.join('%d' % md_idx(elem) for elem in compression_elems)
 print >>C, '};'
 print >>C
 
 print >>H, '#define GRPC_MDELEM_ACCEPT_ENCODING_FOR_ALGORITHMS(algs) (&grpc_static_mdelem_table[grpc_static_accept_encoding_metadata[(algs)]])'
 
-print >>H, '#endif /* GRPC_INTERNAL_CORE_TRANSPORT_STATIC_METADATA_H */'
+print >>H, '#endif /* GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H */'
 
 H.close()
 C.close()
-
diff --git a/tools/distrib/build_ruby_environment_macos.sh b/tools/distrib/build_ruby_environment_macos.sh
index ff3a388eaf6babacc2ae95e7123ac7b9d289b437..64fad7c606add5fe64b97ef83b599c014788e11f 100644
--- a/tools/distrib/build_ruby_environment_macos.sh
+++ b/tools/distrib/build_ruby_environment_macos.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/distrib/check_copyright.py b/tools/distrib/check_copyright.py
index 5badbf484bc1f90ed029b08116e973c5d2fbbb3f..68411c631df79f0fa908bc7f1be30a07105f47f3 100755
--- a/tools/distrib/check_copyright.py
+++ b/tools/distrib/check_copyright.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python2.7
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -155,23 +155,7 @@ for filename in filename_list:
     continue
   m = re.search(re_license, text)
   if m:
-    gdict = m.groupdict()
-    last_modified = int(subprocess.check_output('git log -1 --format="%ad" --date=short -- ' + filename, shell=True)[0:4])
-    latest_claimed = int(gdict['last_year'])
-    if last_modified > latest_claimed:
-      print '%s modified %d but copyright only extends to %d' % (filename, last_modified, latest_claimed)
-      ok = False
-      if args.fix:
-        span_start, span_end = m.span(2)
-        if not gdict['first_year']:
-          # prepend the old year to the current one.
-          text = '{}-{}{}'.format(text[:span_end], last_modified, text[span_end:])
-        else:  # already a year range
-          # simply update the last year
-          text = '{}{}{}'.format(text[:span_start], last_modified, text[span_end:])
-        save(filename, text)
-        print 'Fixed!'
-        ok = True
+    pass
   elif 'DO NOT EDIT' not in text and 'AssemblyInfo.cs' not in filename and filename != 'src/boringssl/err_data.c':
     log(1, 'copyright missing', filename)
     ok = False
diff --git a/tools/distrib/check_include_guards.py b/tools/distrib/check_include_guards.py
new file mode 100755
index 0000000000000000000000000000000000000000..897a899e7ed2b4cff6014321c925aac44630d789
--- /dev/null
+++ b/tools/distrib/check_include_guards.py
@@ -0,0 +1,199 @@
+#!/usr/bin/env python2.7
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import argparse
+import os
+import re
+import sys
+import subprocess
+
+
+def build_valid_guard(fpath):
+  prefix = 'GRPC_' if not fpath.startswith('include/') else ''
+  return prefix + '_'.join(fpath.replace('++', 'XX').replace('.', '_').upper().split('/')[1:])
+
+
+def load(fpath):
+  with open(fpath, 'r') as f:
+    return f.read()
+
+
+def save(fpath, contents):
+  with open(fpath, 'w') as f:
+    f.write(contents)
+
+
+class GuardValidator(object):
+  def __init__(self):
+    self.ifndef_re = re.compile(r'#ifndef ([A-Z][A-Z_1-9]*)')
+    self.define_re = re.compile(r'#define ([A-Z][A-Z_1-9]*)')
+    self.endif_c_re = re.compile(r'#endif /\* ([A-Z][A-Z_1-9]*) \*/')
+    self.endif_cpp_re = re.compile(r'#endif  // ([A-Z][A-Z_1-9]*)')
+    self.failed = False
+
+  def fail(self, fpath, regexp, fcontents, match_txt, correct, fix):
+    cpp_header = 'grpc++' in fpath
+    self.failed = True
+    invalid_guards_msg_template = (
+        '{0}: Missing preprocessor guards (RE {1}). '
+        'Please wrap your code around the following guards:\n'
+        '#ifndef {2}\n'
+        '#define {2}\n'
+        '...\n'
+        '... epic code ...\n'
+        '...\n') + ('#endif  // {2}' if cpp_header else '#endif /* {2} */')
+    if not match_txt:
+      print invalid_guards_msg_template.format(fpath, regexp.pattern,
+                                               build_valid_guard(fpath))
+      return fcontents
+
+    print ('{}: Wrong preprocessor guards (RE {}):'
+           '\n\tFound {}, expected {}').format(
+        fpath, regexp.pattern, match_txt, correct)
+    if fix:
+      print 'Fixing {}...\n'.format(fpath)
+      fixed_fcontents = re.sub(match_txt, correct, fcontents)
+      if fixed_fcontents:
+        self.failed = False
+      return fixed_fcontents
+    else:
+      print
+    return fcontents
+
+  def check(self, fpath, fix):
+    cpp_header = 'grpc++' in fpath
+    valid_guard = build_valid_guard(fpath)
+
+    fcontents = load(fpath)
+
+    match = self.ifndef_re.search(fcontents)
+    if not match:
+      print 'something drastically wrong with: %s' % fpath
+    if match.lastindex is None:
+      # No ifndef. Request manual addition with hints
+      self.fail(fpath, match.re, match.string, '', '', False)
+      return False  # failed
+
+    # Does the guard end with a '_H'?
+    running_guard = match.group(1)
+    if not running_guard.endswith('_H'):
+      fcontents = self.fail(fpath, match.re, match.string, match.group(1),
+                            valid_guard, fix)
+      if fix: save(fpath, fcontents)
+
+    # Is it the expected one based on the file path?
+    if running_guard != valid_guard:
+      fcontents = self.fail(fpath, match.re, match.string, match.group(1),
+                            valid_guard, fix)
+      if fix: save(fpath, fcontents)
+
+    # Is there a #define? Is it the same as the #ifndef one?
+    match = self.define_re.search(fcontents)
+    if match.lastindex is None:
+      # No define. Request manual addition with hints
+      self.fail(fpath, match.re, match.string, '', '', False)
+      return False  # failed
+
+    # Is the #define guard the same as the #ifndef guard?
+    if match.group(1) != running_guard:
+      fcontents = self.fail(fpath, match.re, match.string, match.group(1),
+                            valid_guard, fix)
+      if fix: save(fpath, fcontents)
+
+    # Is there a properly commented #endif?
+    endif_re = self.endif_cpp_re if cpp_header else self.endif_c_re
+    flines = fcontents.rstrip().splitlines()
+    match = endif_re.search(flines[-1])
+    if not match:
+      # No endif. Check if we have the last line as just '#endif' and if so
+      # replace it with a properly commented one.
+      if flines[-1] == '#endif':
+        flines[-1] = ('#endif' +
+                      ('  // {}\n'.format(valid_guard) if cpp_header
+                       else ' /* {} */\n'.format(valid_guard)))
+        if fix:
+            fcontents = '\n'.join(flines)
+            save(fpath, fcontents)
+      else:
+        # something else is wrong, bail out
+        self.fail(fpath, endif_re, flines[-1], '', '', False)
+    elif match.group(1) != running_guard:
+      # Is the #endif guard the same as the #ifndef and #define guards?
+      fcontents = self.fail(fpath, endif_re, fcontents, match.group(1),
+                            valid_guard, fix)
+      if fix: save(fpath, fcontents)
+
+    return not self.failed  # Did the check succeed? (ie, not failed)
+
+# find our home
+ROOT = os.path.abspath(
+    os.path.join(os.path.dirname(sys.argv[0]), '../..'))
+os.chdir(ROOT)
+
+# parse command line
+argp = argparse.ArgumentParser(description='include guard checker')
+argp.add_argument('-f', '--fix',
+                  default=False,
+                  action='store_true');
+argp.add_argument('--precommit',
+                  default=False,
+                  action='store_true')
+args = argp.parse_args()
+
+KNOWN_BAD = set([
+    'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h',
+])
+
+
+grep_filter = r"grep -E '^(include|src/core)/.*\.h$'"
+if args.precommit:
+  git_command = 'git diff --name-only HEAD'
+else:
+  git_command = 'git ls-tree -r --name-only -r HEAD'
+
+FILE_LIST_COMMAND = ' | '.join((git_command, grep_filter))
+
+# scan files
+ok = True
+filename_list = []
+try:
+  filename_list = subprocess.check_output(FILE_LIST_COMMAND,
+                                          shell=True).splitlines()
+except subprocess.CalledProcessError:
+  sys.exit(0)
+
+validator = GuardValidator()
+
+for filename in filename_list:
+  if filename in KNOWN_BAD: continue
+  ok = validator.check(filename, args.fix)
+
+sys.exit(0 if ok else 1)
diff --git a/tools/distrib/check_nanopb_output.sh b/tools/distrib/check_nanopb_output.sh
index 5f49ebb93e645981c3e15c2c624866eea2e7c1b9..92cb8ecbb4988b8ad15adfde5411baa8c00e3950 100755
--- a/tools/distrib/check_nanopb_output.sh
+++ b/tools/distrib/check_nanopb_output.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -30,39 +30,43 @@
 
 set -ex
 
-apt-get install -y autoconf automake libtool curl python-virtualenv
-
 readonly NANOPB_TMP_OUTPUT="$(mktemp -d)"
+readonly PROTOBUF_INSTALL_PREFIX="$(mktemp -d)"
 
 # install protoc version 3
 pushd third_party/protobuf
 ./autogen.sh
-./configure
+./configure --prefix="$PROTOBUF_INSTALL_PREFIX"
 make
 make install
-ldconfig
+#ldconfig
 popd
 
-if [ ! -x "/usr/local/bin/protoc" ]; then
-  echo "Error: protoc not found in path"
+readonly PROTOC_BIN_PATH="$PROTOBUF_INSTALL_PREFIX/bin"
+if [ ! -x "$PROTOBUF_INSTALL_PREFIX/bin/protoc" ]; then
+  echo "Error: protoc not found in temp install dir '$PROTOBUF_INSTALL_PREFIX'"
   exit 1
 fi
-readonly PROTOC_PATH='/usr/local/bin'
+
 # stack up and change to nanopb's proto generator directory
 pushd third_party/nanopb/generator/proto
-PATH="$PROTOC_PATH:$PATH" make
-
+export PATH="$PROTOC_BIN_PATH:$PATH"
+make
 # back to the root directory
 popd
 
-
+#
+# Checks for load_balancer.proto
+#
+readonly LOAD_BALANCER_GRPC_OUTPUT_PATH='src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0'
 # nanopb-compile the proto to a temp location
-PATH="$PROTOC_PATH:$PATH" ./tools/codegen/core/gen_load_balancing_proto.sh \
+./tools/codegen/core/gen_nano_proto.sh \
   src/proto/grpc/lb/v0/load_balancer.proto \
-  $NANOPB_TMP_OUTPUT
+  "$NANOPB_TMP_OUTPUT" \
+  "$LOAD_BALANCER_GRPC_OUTPUT_PATH"
 
 # compare outputs to checked compiled code
-if ! diff -r $NANOPB_TMP_OUTPUT src/core/proto/grpc/lb/v0; then
-  echo "Outputs differ: $NANOPB_TMP_OUTPUT vs src/core/proto/grpc/lb/v0"
+if ! diff -r $NANOPB_TMP_OUTPUT src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0; then
+  echo "Outputs differ: $NANOPB_TMP_OUTPUT vs $LOAD_BALANCER_GRPC_OUTPUT_PATH"
   exit 2
 fi
diff --git a/tools/distrib/check_vsprojects.py b/tools/distrib/check_vsprojects.py
new file mode 100755
index 0000000000000000000000000000000000000000..96dd2e4487d1fe3236cb97e974d4c2f6bba4cea3
--- /dev/null
+++ b/tools/distrib/check_vsprojects.py
@@ -0,0 +1,84 @@
+#!/usr/bin/env python2.7
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import os
+import re
+import sys
+
+from lxml import etree
+
+
+def main():
+  root_dir = os.path.abspath(
+      os.path.join(os.path.dirname(sys.argv[0]), '../..'))
+  os.chdir(root_dir)
+
+  project_re = re.compile('Project\(.*\) = ".+", "(.+)", "(.+)"')
+
+  known_projects = {}
+  with open(os.path.join('vsprojects', 'grpc.sln')) as f:
+    for line in f.readlines():
+      m = project_re.match(line)
+      if not m:
+        continue
+
+      vcxproj_path, project_guid = m.groups()
+      if os.name != 'nt':
+        vcxproj_path = vcxproj_path.replace('\\', '/')
+
+      known_projects[project_guid] = vcxproj_path
+
+  ok = True
+  for vcxproj_path in known_projects.values():
+    with open(os.path.join(root_dir, 'vsprojects', vcxproj_path)) as f:
+      tree = etree.parse(f)
+
+    namespaces = {'ns': 'http://schemas.microsoft.com/developer/msbuild/2003'}
+    referenced_projects = tree.getroot().xpath('/ns:Project/ns:ItemGroup'
+                                               '/ns:ProjectReference'
+                                               '/ns:Project',
+                                               namespaces=namespaces)
+    for referenced_project in referenced_projects:
+      # Project tag under ProjectReference is a GUID reference.
+      if referenced_project.text not in known_projects:
+        target_vcxproj = referenced_project.getparent().attrib['Include']
+        guid = referenced_project.text
+        print ('In project "%s", dependency "%s" (with GUID "%s") is not in '
+               'grpc.sln' % (vcxproj_path, target_vcxproj, guid))
+        ok = False
+
+  if not ok:
+    exit(1)
+
+
+if __name__ == '__main__':
+  main()
+
diff --git a/tools/distrib/check_windows_dlls.sh b/tools/distrib/check_windows_dlls.sh
index efb66e9e75cbd1e6d309dd6125c041bdfe807270..65ac353558d4347f10595c1778e12c85b06bb3b1 100755
--- a/tools/distrib/check_windows_dlls.sh
+++ b/tools/distrib/check_windows_dlls.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/distrib/clang_format_code.sh b/tools/distrib/clang_format_code.sh
index d904a841d4eadef54fbe52e12c338e5d1eb18cd5..858e07489816a7f59f273e058c9d7310db2df319 100755
--- a/tools/distrib/clang_format_code.sh
+++ b/tools/distrib/clang_format_code.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/distrib/python/docgen.py b/tools/distrib/python/docgen.py
index 161d83e3b7f187665a10bc86e73c39756600852b..72c65ad14a885a05e05edc746760db9202d9c955 100755
--- a/tools/distrib/python/docgen.py
+++ b/tools/distrib/python/docgen.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/distrib/python/submit.py b/tools/distrib/python/submit.py
index 9b012be672024b2af153ac03741e31a7cd3bdfb5..f581b7705c48cde62744d49ddd1404084797cd90 100755
--- a/tools/distrib/python/submit.py
+++ b/tools/distrib/python/submit.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/distrib/python_wrapper.sh b/tools/distrib/python_wrapper.sh
new file mode 100755
index 0000000000000000000000000000000000000000..347a715c852e0aa153d3a0d127fa0d8aeffc618f
--- /dev/null
+++ b/tools/distrib/python_wrapper.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+for p in python2.7 python2.6 python2 python not_found ; do 
+
+  python=`which $p || echo not_found`
+
+  if [ -x "$python" ] ; then
+    break
+  fi
+
+done
+
+if [ -x "$python" ] ; then
+  exec $python $@
+else
+  echo "No acceptable version of python found on the system"
+  exit 1
+fi
diff --git a/tools/dockerfile/distribtest/csharp_centos7_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_centos7_x64/Dockerfile
index 03b5b364f8ec5ace65f16a11c9da991ecaff3550..c917b2911346a269c0d07332951f955a71151336 100644
--- a/tools/dockerfile/distribtest/csharp_centos7_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_centos7_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_jessie_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_jessie_x64/Dockerfile
index 1cadba3b7b9673a8242f7aa59dbeb2d495b6f8fc..249095a47b97e5197f39b0d60381beb09d5f2ef3 100644
--- a/tools/dockerfile/distribtest/csharp_jessie_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_jessie_x86/Dockerfile b/tools/dockerfile/distribtest/csharp_jessie_x86/Dockerfile
index be962828c285d4b1ee76ef129b0a890185f3ee8e..9eda551d9c18c7c8968f71580d8b2be9b9e94f76 100644
--- a/tools/dockerfile/distribtest/csharp_jessie_x86/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_jessie_x86/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_ubuntu1404_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_ubuntu1404_x64/Dockerfile
index 3d04d032b5aef951917ead659b24affcb269d235..85daea450dbc9bfeb0fd308503a2cdb036bd2dfd 100644
--- a/tools/dockerfile/distribtest/csharp_ubuntu1404_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_ubuntu1404_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_ubuntu1504_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_ubuntu1504_x64/Dockerfile
index 5eec570491cf80cef56c72b09a5858af9cf5184a..ec16105155b005345a6550a863f1e0ffed5da4f2 100644
--- a/tools/dockerfile/distribtest/csharp_ubuntu1504_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_ubuntu1504_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_ubuntu1510_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_ubuntu1510_x64/Dockerfile
index a6d60fb4b9102df6be5561aed0ea56b3536facad..110aa2ab86804cb483a4696836f088c6a4b35c94 100644
--- a/tools/dockerfile/distribtest/csharp_ubuntu1510_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_ubuntu1510_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_ubuntu1604_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_ubuntu1604_x64/Dockerfile
index 61472704d7d15c3a9e414c45002af6431fc00cba..4ef076669bb4d95f0035c0afb9d2dabe0e2470a5 100644
--- a/tools/dockerfile/distribtest/csharp_ubuntu1604_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_ubuntu1604_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/csharp_wheezy_x64/Dockerfile b/tools/dockerfile/distribtest/csharp_wheezy_x64/Dockerfile
index 9039c3c509f57f0c1b8bd99bdce5b58e2b75e576..d9e64fe9d19afea6cbbccd5c22e82eef1d98bc55 100644
--- a/tools/dockerfile/distribtest/csharp_wheezy_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/csharp_wheezy_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/php_jessie_x64/Dockerfile b/tools/dockerfile/distribtest/php_jessie_x64/Dockerfile
index d5d3fd626ff9398fed6e78085127cc932079321d..e8cd6e760e2af3343803481f4b321e7ababd45c3 100644
--- a/tools/dockerfile/distribtest/php_jessie_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/php_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_arch_x64/Dockerfile b/tools/dockerfile/distribtest/python_arch_x64/Dockerfile
index c4f2431080e559ace3058308df542e9ed7ab20dd..2f79cc3017aa99fa4d212a6f6a0ae3cc7186c29b 100644
--- a/tools/dockerfile/distribtest/python_arch_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_arch_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_centos6_x64/Dockerfile b/tools/dockerfile/distribtest/python_centos6_x64/Dockerfile
index 79dae0742f2d353f43c568a2ce3bf545e3b50c36..d4f473792e1b6189cbf8b0ae9aadeb1e4e1943d5 100644
--- a/tools/dockerfile/distribtest/python_centos6_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_centos6_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_centos7_x64/Dockerfile b/tools/dockerfile/distribtest/python_centos7_x64/Dockerfile
index 114957b573062e71ff9c0380807682ba84972086..ca64fa7bea9327356fbc9eda56cb1043332abf92 100644
--- a/tools/dockerfile/distribtest/python_centos7_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_centos7_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile b/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile
index 5e6cb1576292412407c3cfae5cf892e85ef601e5..8b0f769c2638a1ae47dfc9e565b9e1d7a3a1187d 100644
--- a/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_fedora21_x64/Dockerfile b/tools/dockerfile/distribtest/python_fedora21_x64/Dockerfile
index f1b0e2f4b223634ee6ad232202fdbc71d4579989..fcbe053f1fc2094fd6e5a00d3854fd888bc3298b 100644
--- a/tools/dockerfile/distribtest/python_fedora21_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_fedora21_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_fedora22_x64/Dockerfile b/tools/dockerfile/distribtest/python_fedora22_x64/Dockerfile
index c6415946c3b56b6dc17ecff4dc82550255428a29..ddcacb4257d7a74c9a9b56baa70c9f772977dbc6 100644
--- a/tools/dockerfile/distribtest/python_fedora22_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_fedora22_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_fedora23_x64/Dockerfile b/tools/dockerfile/distribtest/python_fedora23_x64/Dockerfile
index 6c834d2bc2f84ba6a1fc4287925f3280adf3c1fc..d45195e509c8f56d91e4f1edb342c1c7f81fb028 100644
--- a/tools/dockerfile/distribtest/python_fedora23_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_fedora23_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_jessie_x64/Dockerfile b/tools/dockerfile/distribtest/python_jessie_x64/Dockerfile
index 5778d604c8ebe4ab671630aa21b22e7cca4f9b81..83df4ed4fae9b802befed336bf361eba0cf8fb98 100644
--- a/tools/dockerfile/distribtest/python_jessie_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_jessie_x86/Dockerfile b/tools/dockerfile/distribtest/python_jessie_x86/Dockerfile
index e9cf99142b8c0783848ca4091910c81accd7527f..19addb29120ce4b703a67c76b27f2fd205ff65cf 100644
--- a/tools/dockerfile/distribtest/python_jessie_x86/Dockerfile
+++ b/tools/dockerfile/distribtest/python_jessie_x86/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_opensuse_x64/Dockerfile b/tools/dockerfile/distribtest/python_opensuse_x64/Dockerfile
index ea5d4c72a14119324d8a356c6deea2532f13d0e8..fe1406be98c978591cf1d84b7a4dbf76dd679d65 100644
--- a/tools/dockerfile/distribtest/python_opensuse_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_opensuse_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1204_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1204_x64/Dockerfile
index a48ce0eeefd8299025e0185385862f35f98eb574..4068fbe2bad0e7f2c0e8ae09b9c50238cff90a90 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1204_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1204_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1404_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1404_x64/Dockerfile
index 18dbfd46573e7d91f25b8b8b48417ac5fb3e50f3..0858fb0c06490666905332f4aee891aac289b3c1 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1404_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1404_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1504_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1504_x64/Dockerfile
index 444a54d14bae0020f688f693b9e0a3c068f595aa..ed6ffddbec72f980dae23853c71f383dafc46b82 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1504_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1504_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1510_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1510_x64/Dockerfile
index 245ffb94137c42878ba660901c19b62d64d93abf..9e3e0c260f635a7474b20177742de53aff29e4b5 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1510_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1510_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_ubuntu1604_x64/Dockerfile b/tools/dockerfile/distribtest/python_ubuntu1604_x64/Dockerfile
index a1ac3051ba9056b3f90f6ba97d233db867cbab31..5098da8a26f29a6197c3edb7e2146d627b1f17c6 100644
--- a/tools/dockerfile/distribtest/python_ubuntu1604_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_ubuntu1604_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/python_wheezy_x64/Dockerfile b/tools/dockerfile/distribtest/python_wheezy_x64/Dockerfile
index 46353b92d62f093bd083bb12d0776deb86d1fd7c..66165ee9296a2907bc5a3f1fe6b7211ded13d2f7 100644
--- a/tools/dockerfile/distribtest/python_wheezy_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_wheezy_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile
index b943b67e8a5441ddab3d909711236bc8d7507a80..dcfc07a681612a3c1966e2a3c41e8e7060b1164b 100644
--- a/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_centos7_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_centos7_x64/Dockerfile
index 85650201fb9a0b46c261de5b06b91e0182b1c63e..056bd45ecc36b496696b70177300bcf02fb10cec 100644
--- a/tools/dockerfile/distribtest/ruby_centos7_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_centos7_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_fedora20_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_fedora20_x64/Dockerfile
index 437337ed9a2488270a0d814ace0cb1fc9481b230..f4151e7c4f386065c25c05f6344647faa73da7ff 100644
--- a/tools/dockerfile/distribtest/ruby_fedora20_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_fedora20_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_fedora21_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_fedora21_x64/Dockerfile
index b567c5b10922bcc458c559a7527455beb0332e19..78d7575a86d52361ff763b4b3e64977f1a09530a 100644
--- a/tools/dockerfile/distribtest/ruby_fedora21_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_fedora21_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_fedora22_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_fedora22_x64/Dockerfile
index 58d3d9341a733c79268068b209de78842ecd862f..f574c62493a48a565a6a1250107fb75556efdfae 100644
--- a/tools/dockerfile/distribtest/ruby_fedora22_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_fedora22_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_fedora23_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_fedora23_x64/Dockerfile
index 9f07f51e5666a43600cb9d42ad9e6b3bd3e1ac04..fe6c72aa69f52477580729aa8930d52c0e4683af 100644
--- a/tools/dockerfile/distribtest/ruby_fedora23_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_fedora23_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_jessie_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_jessie_x64/Dockerfile
index cc377b7a589d5d6a4a39f34604168376e7f29da7..57f98efcd044532b0bf9a82e6ce6d1d6bfbb9fc9 100644
--- a/tools/dockerfile/distribtest/ruby_jessie_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_jessie_x86/Dockerfile b/tools/dockerfile/distribtest/ruby_jessie_x86/Dockerfile
index 3fe3e2bdced137ecf3af1d23426bb27c3a036068..938bc5edf1c212cdb7c6d5e5fe8ca86532d92cf1 100644
--- a/tools/dockerfile/distribtest/ruby_jessie_x86/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_jessie_x86/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_opensuse_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_opensuse_x64/Dockerfile
index c98d6911a383e90f9499c6367bb134f9ffa600a5..c5b011316c8b17c38631d474b476e40718b0425c 100644
--- a/tools/dockerfile/distribtest/ruby_opensuse_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_opensuse_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1204_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1204_x64/Dockerfile
index 782368bf8d10a5f6e655dff2079de394723faa91..0aab241be5dd3d6a6694b06fb92386b7bfe2fe9a 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1204_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1204_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1404_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1404_x64/Dockerfile
index 53fb4d5ab5e4f24060e2394566d9ebfb39824c08..324f51e55c5f82bdf8abd5d078efdacaa1fbc20d 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1404_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1404_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1504_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1504_x64/Dockerfile
index 3225166e63518cf950c7b861b52ed85289101ee5..762734bcb87836c9887a3b3e675b53218b42ea4a 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1504_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1504_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1510_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1510_x64/Dockerfile
index df93360a641384205d45dca13b09ab44f3c4b7f8..3ac61a077ebbafb6ccc5a30127fa68d377652054 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1510_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1510_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_ubuntu1604_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_ubuntu1604_x64/Dockerfile
index f0c2e80ac64425d204368cc9cf3921bb0516cc6b..40fc6bea9eafb469f2c918b421405061ab3b23a0 100644
--- a/tools/dockerfile/distribtest/ruby_ubuntu1604_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_ubuntu1604_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/distribtest/ruby_wheezy_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_wheezy_x64/Dockerfile
index ee4e0fc5de1da9d4da0df15661b11be30e2f2e2f..9ae2ee293438c290a12c159010f34fef16ff254a 100644
--- a/tools/dockerfile/distribtest/ruby_wheezy_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_wheezy_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_clang_format/Dockerfile b/tools/dockerfile/grpc_clang_format/Dockerfile
index 4b101f6f53131454c4e4947105b8818fdad8b140..41239e9c23b3ceb615504b229ab3d3e8804f5bf0 100644
--- a/tools/dockerfile/grpc_clang_format/Dockerfile
+++ b/tools/dockerfile/grpc_clang_format/Dockerfile
@@ -27,9 +27,13 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-FROM ubuntu:vivid
+FROM ubuntu:wily
 RUN apt-get update
-RUN apt-get -y install clang-format-3.6
+RUN apt-get -y install wget
+RUN echo deb http://llvm.org/apt/wily/ llvm-toolchain-wily main >> /etc/apt/sources.list
+RUN echo deb-src http://llvm.org/apt/wily/ llvm-toolchain-wily main >> /etc/apt/sources.list
+RUN wget -O - http://llvm.org/apt/llvm-snapshot.gpg.key| apt-key add -
+RUN apt-get update
+RUN apt-get -y install clang-format-3.8
 ADD clang_format_all_the_things.sh /
 CMD ["echo 'Run with tools/distrib/clang_format_code.sh'"]
-
diff --git a/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh b/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh
index d56bc0183118c8016ad1845d9c8c1f19a144334f..6f4155944c3bc609f7fc1ceaf8c40c406f441f3f 100755
--- a/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh
+++ b/tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -31,13 +31,13 @@
 set -e
 
 # directories to run against
-DIRS="src/core src/cpp test/core test/cpp include"
+DIRS="src/core/lib src/core/ext src/cpp test/core test/cpp include"
 
 # file matching patterns to check
 GLOB="*.h *.c *.cc"
 
 # clang format command
-CLANG_FORMAT=clang-format-3.6
+CLANG_FORMAT=clang-format-3.8
 
 files=
 for dir in $DIRS
diff --git a/tools/dockerfile/grpc_interop_csharp/Dockerfile b/tools/dockerfile/grpc_interop_csharp/Dockerfile
index c3c79487f7ae4197178f2ec4a403b8bc479b51b8..93cd25010efab73f6ef6ace10c92305746db0cfd 100644
--- a/tools/dockerfile/grpc_interop_csharp/Dockerfile
+++ b/tools/dockerfile/grpc_interop_csharp/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -80,13 +80,9 @@ RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libtiff-compat
 # Install dependencies
 RUN apt-get update && apt-get -y dist-upgrade && apt-get install -y \
     mono-devel \
-    nunit \
-    nunit-console \
-    monodevelop
-
-# Download NuGet
-RUN cd /var/local && wget www.nuget.org/NuGet.exe
-ENV NUGET mono /var/local/NuGet.exe
+    ca-certificates-mono \
+    nuget \
+    && apt-get clean
 
 # Define the default command.
 CMD ["bash"]
diff --git a/tools/dockerfile/grpc_interop_csharp/build_interop.sh b/tools/dockerfile/grpc_interop_csharp/build_interop.sh
index 5ad525f41c5af2998d226d395e17a8ada930b2e7..fd5436c44ff3fb96bfa9691d9b30e8c5b5ed270d 100755
--- a/tools/dockerfile/grpc_interop_csharp/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_csharp/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -40,6 +40,4 @@ cp -r /var/local/jenkins/service_account $HOME || true
 cd /var/local/git/grpc
 
 # build C# interop client & server
-make CONFIG=dbg grpc_csharp_ext
-(cd src/csharp && mono /var/local/NuGet.exe restore Grpc.sln)
-(cd src/csharp && xbuild Grpc.sln)
+tools/run_tests/run_tests.py -l csharp -c dbg --build_only
diff --git a/tools/dockerfile/grpc_interop_cxx/Dockerfile b/tools/dockerfile/grpc_interop_cxx/Dockerfile
index 58a8c32e344fa4944c62e233eeb05151279be998..1fa190753304cc86466d738391f8ef89c0e8c055 100644
--- a/tools/dockerfile/grpc_interop_cxx/Dockerfile
+++ b/tools/dockerfile/grpc_interop_cxx/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_cxx/build_interop.sh b/tools/dockerfile/grpc_interop_cxx/build_interop.sh
index 903c31b3e78c3997d9514b7c378176face3d5d9b..1c0828d23a6ea6ced82f87b80fc91ce7c306bcde 100755
--- a/tools/dockerfile/grpc_interop_cxx/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_cxx/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_go/Dockerfile b/tools/dockerfile/grpc_interop_go/Dockerfile
index f83e18c8a3182b0488e93b30b82e1489728aa17b..ec71a53c2d3a5c3188bff193868d425cd9242bfa 100644
--- a/tools/dockerfile/grpc_interop_go/Dockerfile
+++ b/tools/dockerfile/grpc_interop_go/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -27,10 +27,10 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-FROM golang:1.4
+FROM golang:1.5
 
 # Using login shell removes Go from path, so we add it.
-RUN ln -s /usr/src/go/bin/go /usr/local/bin
+RUN ln -s /usr/local/go/bin/go /usr/local/bin
 
 # Define the default command.
 CMD ["bash"]
diff --git a/tools/dockerfile/grpc_interop_go/build_interop.sh b/tools/dockerfile/grpc_interop_go/build_interop.sh
index 224b0040c04e35a1bd28ccc66a6968c4ae74da9e..e8915493422178065827ade845649b6530c7c627 100755
--- a/tools/dockerfile/grpc_interop_go/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_go/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_http2/Dockerfile b/tools/dockerfile/grpc_interop_http2/Dockerfile
index f83e18c8a3182b0488e93b30b82e1489728aa17b..ec71a53c2d3a5c3188bff193868d425cd9242bfa 100644
--- a/tools/dockerfile/grpc_interop_http2/Dockerfile
+++ b/tools/dockerfile/grpc_interop_http2/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -27,10 +27,10 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-FROM golang:1.4
+FROM golang:1.5
 
 # Using login shell removes Go from path, so we add it.
-RUN ln -s /usr/src/go/bin/go /usr/local/bin
+RUN ln -s /usr/local/go/bin/go /usr/local/bin
 
 # Define the default command.
 CMD ["bash"]
diff --git a/tools/dockerfile/grpc_interop_http2/build_interop.sh b/tools/dockerfile/grpc_interop_http2/build_interop.sh
index 5f701e34c0dce4d6d54afa2f9dc254e614f56c2a..46ddaf929a8f39731dce016cc814240556e4d206 100755
--- a/tools/dockerfile/grpc_interop_http2/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_http2/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_java/Dockerfile b/tools/dockerfile/grpc_interop_java/Dockerfile
index 8bfb796c24be88e4cc7ba90c24a7d85a971dbc8f..370657b651f6ac811dbeb3da24d361b1bca7b2b8 100644
--- a/tools/dockerfile/grpc_interop_java/Dockerfile
+++ b/tools/dockerfile/grpc_interop_java/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_java/build_interop.sh b/tools/dockerfile/grpc_interop_java/build_interop.sh
index 9c9591abd8741947fbef7e04b0e197f06c4411d4..9997c63308b50fa739840c84b7d0100d47570b60 100755
--- a/tools/dockerfile/grpc_interop_java/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_java/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_node/Dockerfile b/tools/dockerfile/grpc_interop_node/Dockerfile
index 3f0f918ad9e5021ff02d35fe847d951d13631c32..db5aff844de1aa96584e56d7a3ee3b474c7cf345 100644
--- a/tools/dockerfile/grpc_interop_node/Dockerfile
+++ b/tools/dockerfile/grpc_interop_node/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_node/build_interop.sh b/tools/dockerfile/grpc_interop_node/build_interop.sh
index 526dd61fdfc2725d9b38ce1ef987ea0b7e97918a..4d4290d0b4112671f7d32d8971c6169169be7c7b 100755
--- a/tools/dockerfile/grpc_interop_node/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_node/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_php/Dockerfile b/tools/dockerfile/grpc_interop_php/Dockerfile
index 4f5b3fcb77746013f779d38612ea88dd1e158301..cf3e79176a55d1e188cc6b3779f003b01f904661 100644
--- a/tools/dockerfile/grpc_interop_php/Dockerfile
+++ b/tools/dockerfile/grpc_interop_php/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_php/build_interop.sh b/tools/dockerfile/grpc_interop_php/build_interop.sh
index 2bffbd89384d94d080d13f7b414da15deba4e898..87262f1d62983d601f5c159cb504560175d6af69 100755
--- a/tools/dockerfile/grpc_interop_php/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_php/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_python/Dockerfile b/tools/dockerfile/grpc_interop_python/Dockerfile
index ef4432d26047d08f55a256d5c83668c5b5b478be..047604b1b7975b11c0cf0d719ad1ae46e4990965 100644
--- a/tools/dockerfile/grpc_interop_python/Dockerfile
+++ b/tools/dockerfile/grpc_interop_python/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_python/build_interop.sh b/tools/dockerfile/grpc_interop_python/build_interop.sh
index ed736809bc7718b80876ccac9cf42f99c31e5e0f..6454a4f5e25c8cf91c8c0c08bdc4a8cf9a8f2e08 100755
--- a/tools/dockerfile/grpc_interop_python/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_python/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_ruby/Dockerfile b/tools/dockerfile/grpc_interop_ruby/Dockerfile
index b3383afe79e46bcd10748e59d3b45cfeef54e228..ff201fa291e52147bb4d68465144bd7d483dad5a 100644
--- a/tools/dockerfile/grpc_interop_ruby/Dockerfile
+++ b/tools/dockerfile/grpc_interop_ruby/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_interop_ruby/build_interop.sh b/tools/dockerfile/grpc_interop_ruby/build_interop.sh
index 84fd4995f1cd5d63bbee2c2864abccd206d5e0b4..685397bac2d4f4f71f93a6f0aeb57d721cd28008 100755
--- a/tools/dockerfile/grpc_interop_ruby/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_ruby/build_interop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/grpc_linuxbrew/Dockerfile b/tools/dockerfile/grpc_linuxbrew/Dockerfile
index 8c179da6c8696faf0d08028b72b7157aea1f3728..848489e091ce7efddd8577136206d37e22aa6cdc 100644
--- a/tools/dockerfile/grpc_linuxbrew/Dockerfile
+++ b/tools/dockerfile/grpc_linuxbrew/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile b/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..556a26ee13905fd2ff24598394b57dbccbe687d9
--- /dev/null
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile
@@ -0,0 +1,117 @@
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#=================
+# C++ dependencies
+RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
+
+# Google Cloud platform API libraries
+RUN apt-get update && apt-get install -y python-pip && apt-get clean
+RUN pip install --upgrade google-api-python-client
+
+
+#=================
+# Update clang to a version with improved tsan and fuzzing capabilities
+
+RUN apt-get update && apt-get -y install python cmake && apt-get clean
+
+RUN git clone -n -b release_38 http://llvm.org/git/llvm.git && \
+  cd llvm && git checkout ad57503 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/clang.git && \
+  cd clang && git checkout ad2c56e && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/compiler-rt.git && \
+  cd compiler-rt && git checkout 3176922 && cd ..
+RUN git clone -n -b release_38 \
+  http://llvm.org/git/clang-tools-extra.git && cd clang-tools-extra && \
+  git checkout c288525 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxx.git && \
+  cd libcxx && git checkout fda3549  && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxxabi.git && \
+  cd libcxxabi && git checkout 8d4e51d && cd ..
+
+RUN mv clang llvm/tools
+RUN mv compiler-rt llvm/projects
+RUN mv clang-tools-extra llvm/tools/clang/tools
+RUN mv libcxx llvm/projects
+RUN mv libcxxabi llvm/projects
+
+RUN mkdir llvm-build
+RUN cd llvm-build && cmake \
+  -DCMAKE_BUILD_TYPE:STRING=Release \
+  -DCMAKE_INSTALL_PREFIX:STRING=/usr \
+  -DLLVM_TARGETS_TO_BUILD:STRING=X86 \
+  ../llvm
+RUN make -C llvm-build -j 12 && make -C llvm-build install && rm -rf llvm-build
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/grpc_interop_stress_cxx/build_interop_stress.sh b/tools/dockerfile/stress_test/grpc_interop_stress_cxx/build_interop_stress.sh
similarity index 92%
rename from tools/dockerfile/grpc_interop_stress_cxx/build_interop_stress.sh
rename to tools/dockerfile/stress_test/grpc_interop_stress_cxx/build_interop_stress.sh
index 392bdfccda07b7f8966ce674dce176c53d4c0a3c..b67b1a1664ab1561f601fe7b5b259ad97b1b6b84 100755
--- a/tools/dockerfile/grpc_interop_stress_cxx/build_interop_stress.sh
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_cxx/build_interop_stress.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -41,5 +41,7 @@ cd /var/local/git/grpc
 
 make install-certs
 
+BUILD_TYPE=${BUILD_TYPE:=opt}
+
 # build C++ interop stress client, interop client and server
-make stress_test metrics_client interop_client interop_server
+make CONFIG=$BUILD_TYPE stress_test metrics_client interop_client interop_server
diff --git a/tools/dockerfile/stress_test/grpc_interop_stress_go/Dockerfile b/tools/dockerfile/stress_test/grpc_interop_stress_go/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..2a875f59f19075b3d4dd7960395e427dfd1ac125
--- /dev/null
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_go/Dockerfile
@@ -0,0 +1,41 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM golang:1.5
+
+# Google Cloud platform API libraries
+RUN apt-get update && apt-get install -y python-pip && apt-get clean
+RUN pip install --upgrade google-api-python-client
+
+
+# Using login shell removes Go from path, so we add it.
+RUN ln -s /usr/local/go/bin/go /usr/local/bin
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/stress_test/grpc_interop_stress_go/build_interop_stress.sh b/tools/dockerfile/stress_test/grpc_interop_stress_go/build_interop_stress.sh
new file mode 100755
index 0000000000000000000000000000000000000000..919d885c178d42cf86aae623ac4d568f1d35f803
--- /dev/null
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_go/build_interop_stress.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Builds Go interop server, Stress client and metrics client in a base image.
+set -e
+
+# Clone just the grpc-go source code without any dependencies.
+# We are cloning from a local git repo that contains the right revision
+# to test instead of using "go get" to download from Github directly.
+git clone --recursive /var/local/jenkins/grpc-go src/google.golang.org/grpc
+
+# Clone the 'grpc' repo. We just need this for the wrapper scripts under
+# grpc/tools/gcp/stress_tests
+git clone --recursive /var/local/jenkins/grpc /var/local/git/grpc
+
+# copy service account keys if available
+cp -r /var/local/jenkins/service_account $HOME || true
+
+# Get dependencies from GitHub
+# NOTE: once grpc-go dependencies change, this needs to be updated manually
+# but we don't expect this to happen any time soon.
+go get github.com/golang/protobuf/proto
+go get golang.org/x/net/context
+go get golang.org/x/net/trace
+go get golang.org/x/oauth2
+go get google.golang.org/cloud
+
+# Build the interop server, stress client and stress metrics client
+(cd src/google.golang.org/grpc/interop/server && go install)
+(cd src/google.golang.org/grpc/stress/client && go install)
+(cd src/google.golang.org/grpc/stress/metrics_client && go install)
diff --git a/tools/dockerfile/stress_test/grpc_interop_stress_java/Dockerfile b/tools/dockerfile/stress_test/grpc_interop_stress_java/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..69bef1480c878d500ff2c147df0d04cf32c30e80
--- /dev/null
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_java/Dockerfile
@@ -0,0 +1,102 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#=================
+# C++ dependencies
+RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
+
+# Google Cloud platform API libraries
+RUN apt-get update && apt-get install -y python-pip && apt-get clean
+RUN pip install --upgrade google-api-python-client
+
+
+# Install JDK 8 and Git
+#
+RUN echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | /usr/bin/debconf-set-selections && \
+  echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main" | tee /etc/apt/sources.list.d/webupd8team-java.list && \
+  echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main" | tee -a /etc/apt/sources.list.d/webupd8team-java.list && \
+  apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys EEA14886
+
+RUN apt-get update && apt-get -y install \
+      git \
+      libapr1 \
+      oracle-java8-installer \
+      && \
+    apt-get clean && rm -r /var/cache/oracle-jdk8-installer/
+
+ENV JAVA_HOME /usr/lib/jvm/java-8-oracle
+ENV PATH $PATH:$JAVA_HOME/bin
+
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/stress_test/grpc_interop_stress_java/build_interop_stress.sh b/tools/dockerfile/stress_test/grpc_interop_stress_java/build_interop_stress.sh
new file mode 100755
index 0000000000000000000000000000000000000000..d4fdfbbac962e288f5391349d840fcd5394c3054
--- /dev/null
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_java/build_interop_stress.sh
@@ -0,0 +1,51 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Builds C++ interop server and client in a base image.
+set -e
+
+mkdir -p /var/local/git
+# grpc-java repo
+git clone --recursive --depth 1 /var/local/jenkins/grpc-java /var/local/git/grpc-java
+
+# grpc repo (for metrics client and for the stress test wrapper scripts)
+git clone --recursive /var/local/jenkins/grpc /var/local/git/grpc
+
+# Copy service account keys if available
+cp -r /var/local/jenkins/service_account $HOME || true
+
+# First build the metrics client in grpc repo
+cd /var/local/git/grpc
+make metrics_client
+
+# Build all interop test targets (which includes interop server and stress test
+# client) in grpc-java repo
+cd /var/local/git/grpc-java
+./gradlew :grpc-interop-testing:installDist -PskipCodegen=true
diff --git a/tools/dockerfile/grpc_interop_stress_cxx/Dockerfile b/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile
similarity index 76%
rename from tools/dockerfile/grpc_interop_stress_cxx/Dockerfile
rename to tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile
index 4123cc1a26ad4580c429caa1e8bceb0423e476e3..f70add4e31a8e4f47c45a436548523ab14a4a91f 100644
--- a/tools/dockerfile/grpc_interop_stress_cxx/Dockerfile
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2016, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -27,12 +27,9 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# A work-in-progress Dockerfile that allows running gRPC test suites
-# inside a docker container.
-
 FROM debian:jessie
 
-# Install Git.
+# Install Git and basic packages.
 RUN apt-get update && apt-get install -y \
   autoconf \
   autotools-dev \
@@ -43,13 +40,16 @@ RUN apt-get update && apt-get install -y \
   gcc \
   gcc-multilib \
   git \
+  golang \
   gyp \
+  lcov \
   libc6 \
   libc6-dbg \
   libc6-dev \
   libgtest-dev \
   libtool \
   make \
+  perl \
   strace \
   python-dev \
   python-setuptools \
@@ -59,7 +59,22 @@ RUN apt-get update && apt-get install -y \
   wget \
   zip && apt-get clean
 
-RUN easy_install -U pip
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#==================
+# Node dependencies
+
+# Install nvm
+RUN touch .profile
+RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
+RUN /bin/bash -l -c "nvm install 0.12 && npm config set cache /tmp/npm-cache"
+
+# Google Cloud platform API libraries
+RUN apt-get update && apt-get install -y python-pip && apt-get clean
+RUN pip install --upgrade google-api-python-client
+
 
 # Prepare ccache
 RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
@@ -69,12 +84,12 @@ RUN ln -s /usr/bin/ccache /usr/local/bin/c++
 RUN ln -s /usr/bin/ccache /usr/local/bin/clang
 RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
 
-##################
-# C++ dependencies
-RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
 
-# Google Cloud platform API libraries (for BigQuery)
-RUN pip install --upgrade google-api-python-client
+RUN mkdir /var/local/jenkins
 
 # Define the default command.
 CMD ["bash"]
diff --git a/tools/dockerfile/stress_test/grpc_interop_stress_node/build_interop_stress.sh b/tools/dockerfile/stress_test/grpc_interop_stress_node/build_interop_stress.sh
new file mode 100755
index 0000000000000000000000000000000000000000..b99fd444eeadfce07819a60d1cd752fc3054953f
--- /dev/null
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_node/build_interop_stress.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Builds Node interop server and client in a base image.
+set -e
+
+mkdir -p /var/local/git
+git clone --recursive /var/local/jenkins/grpc /var/local/git/grpc
+
+# copy service account keys if available
+cp -r /var/local/jenkins/service_account $HOME || true
+
+cd /var/local/git/grpc
+nvm use 0.12
+nvm alias default 0.12  # prevent the need to run 'nvm use' in every shell
+
+# build Node interop client & server
+npm install -g node-gyp
+npm install --unsafe-perm --build-from-source
diff --git a/tools/dockerfile/test/csharp_jessie_x64/Dockerfile b/tools/dockerfile/test/csharp_jessie_x64/Dockerfile
index 0052de6130b7d83543ff8117d31873a318b4c5d1..baab2f5638040b5d19b6382f0c9eec1def4e2690 100644
--- a/tools/dockerfile/test/csharp_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/csharp_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/cxx_jessie_x64/Dockerfile b/tools/dockerfile/test/cxx_jessie_x64/Dockerfile
index e3ed39dfe6c09901081d7f1ab345e4e87ca43b37..649215892994b77c33ffa008ac3028131296cbfb 100644
--- a/tools/dockerfile/test/cxx_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/cxx_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -67,6 +67,39 @@ RUN apt-get update && apt-get install -y time && apt-get clean
 # C++ dependencies
 RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
 
+#=================
+# Update clang to a version with improved tsan and fuzzing capabilities
+
+RUN apt-get update && apt-get -y install python cmake && apt-get clean
+
+RUN git clone -n -b release_38 http://llvm.org/git/llvm.git && \
+  cd llvm && git checkout ad57503 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/clang.git && \
+  cd clang && git checkout ad2c56e && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/compiler-rt.git && \
+  cd compiler-rt && git checkout 3176922 && cd ..
+RUN git clone -n -b release_38 \
+  http://llvm.org/git/clang-tools-extra.git && cd clang-tools-extra && \
+  git checkout c288525 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxx.git && \
+  cd libcxx && git checkout fda3549  && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxxabi.git && \
+  cd libcxxabi && git checkout 8d4e51d && cd ..
+
+RUN mv clang llvm/tools
+RUN mv compiler-rt llvm/projects
+RUN mv clang-tools-extra llvm/tools/clang/tools
+RUN mv libcxx llvm/projects
+RUN mv libcxxabi llvm/projects
+
+RUN mkdir llvm-build
+RUN cd llvm-build && cmake \
+  -DCMAKE_BUILD_TYPE:STRING=Release \
+  -DCMAKE_INSTALL_PREFIX:STRING=/usr \
+  -DLLVM_TARGETS_TO_BUILD:STRING=X86 \
+  ../llvm
+RUN make -C llvm-build -j 12 && make -C llvm-build install && rm -rf llvm-build
+
 # Prepare ccache
 RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
 RUN ln -s /usr/bin/ccache /usr/local/bin/g++
diff --git a/tools/dockerfile/test/cxx_jessie_x86/Dockerfile b/tools/dockerfile/test/cxx_jessie_x86/Dockerfile
index 9a8f2b1cca385742ab842e6dc679ffeffc6aa5d9..92c9c4ce86e25cbeb6ebe4234a4010414245171b 100644
--- a/tools/dockerfile/test/cxx_jessie_x86/Dockerfile
+++ b/tools/dockerfile/test/cxx_jessie_x86/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile b/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile
index e8dab1b4712498f2341760f68901bd3f14400f90..1e43e6b25c86076b8765c2dcbab31766fc9e7f4f 100644
--- a/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile
+++ b/tools/dockerfile/test/cxx_ubuntu1404_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile b/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile
index c6fe79b42c064aa1cc29be1fde790531fa449b62..02d3c0d9ad6911ea8c8c19ddf06f44e3159fcc57 100644
--- a/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile
+++ b/tools/dockerfile/test/cxx_ubuntu1604_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/cxx_squeeze_x64/Dockerfile b/tools/dockerfile/test/cxx_wheezy_x64/Dockerfile
similarity index 82%
rename from tools/dockerfile/test/cxx_squeeze_x64/Dockerfile
rename to tools/dockerfile/test/cxx_wheezy_x64/Dockerfile
index b7f95aaa8d98a6a3f6f6bc18238fd72c01b2be8c..6f330f9166c560a9511689a1b77bb9f372037a03 100644
--- a/tools/dockerfile/test/cxx_squeeze_x64/Dockerfile
+++ b/tools/dockerfile/test/cxx_wheezy_x64/Dockerfile
@@ -27,7 +27,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-FROM debian:squeeze
+FROM debian:wheezy
 
 # Install Git and basic packages.
 RUN apt-get update && apt-get install -y \
@@ -40,6 +40,7 @@ RUN apt-get update && apt-get install -y \
   gcc \
   gcc-multilib \
   git \
+  golang \
   gyp \
   lcov \
   libc6 \
@@ -62,16 +63,18 @@ RUN apt-get update && apt-get install -y \
 # Build profiling
 RUN apt-get update && apt-get install -y time && apt-get clean
 
+#=================
+# C++ dependencies
+RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
 
-# libgflags-dev is not available on squeezy
-RUN apt-get update && apt-get -y install libgtest-dev libc++-dev clang && apt-get clean
 
-RUN apt-get update && apt-get -y install python-pip && apt-get clean
-RUN pip install argparse
+RUN apt-get update && apt-get install -y \
+  gcc-4.4 \
+  gcc-4.4-multilib
 
-RUN wget http://openssl.org/source/openssl-1.0.2f.tar.gz
+RUN wget https://openssl.org/source/old/1.0.2/openssl-1.0.2f.tar.gz
 
-ENV POST_GIT_STEP tools/dockerfile/test/cxx_squeeze_x64/post-git-setup.sh
+ENV POST_GIT_STEP tools/dockerfile/test/cxx_wheezy_x64/post-git-setup.sh
 
 # Prepare ccache
 RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
@@ -81,6 +84,10 @@ RUN ln -s /usr/bin/ccache /usr/local/bin/c++
 RUN ln -s /usr/bin/ccache /usr/local/bin/clang
 RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
 
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
 
 RUN mkdir /var/local/jenkins
 
diff --git a/tools/dockerfile/test/cxx_squeeze_x64/post-git-setup.sh b/tools/dockerfile/test/cxx_wheezy_x64/post-git-setup.sh
similarity index 100%
rename from tools/dockerfile/test/cxx_squeeze_x64/post-git-setup.sh
rename to tools/dockerfile/test/cxx_wheezy_x64/post-git-setup.sh
diff --git a/tools/dockerfile/test/fuzzer/Dockerfile b/tools/dockerfile/test/fuzzer/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..6ba31114ab6620d82efd3c28645f7034b96bb5ab
--- /dev/null
+++ b/tools/dockerfile/test/fuzzer/Dockerfile
@@ -0,0 +1,123 @@
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#=================
+# C++ dependencies
+RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
+
+#=================
+# Update clang to a version with improved tsan and fuzzing capabilities
+
+RUN apt-get update && apt-get -y install python cmake && apt-get clean
+
+RUN git clone -n -b release_38 http://llvm.org/git/llvm.git && \
+  cd llvm && git checkout ad57503 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/clang.git && \
+  cd clang && git checkout ad2c56e && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/compiler-rt.git && \
+  cd compiler-rt && git checkout 3176922 && cd ..
+RUN git clone -n -b release_38 \
+  http://llvm.org/git/clang-tools-extra.git && cd clang-tools-extra && \
+  git checkout c288525 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxx.git && \
+  cd libcxx && git checkout fda3549  && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxxabi.git && \
+  cd libcxxabi && git checkout 8d4e51d && cd ..
+
+RUN mv clang llvm/tools
+RUN mv compiler-rt llvm/projects
+RUN mv clang-tools-extra llvm/tools/clang/tools
+RUN mv libcxx llvm/projects
+RUN mv libcxxabi llvm/projects
+
+RUN mkdir llvm-build
+RUN cd llvm-build && cmake \
+  -DCMAKE_BUILD_TYPE:STRING=Release \
+  -DCMAKE_INSTALL_PREFIX:STRING=/usr \
+  -DLLVM_TARGETS_TO_BUILD:STRING=X86 \
+  ../llvm
+RUN make -C llvm-build -j 12 && make -C llvm-build install && rm -rf llvm-build
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
+
+RUN mkdir /var/local/jenkins
+
+RUN clang++ -c -g -O2 -std=c++11 llvm/lib/Fuzzer/*.cpp -IFuzzer
+RUN ar ruv libFuzzer.a Fuzzer*.o
+RUN mv libFuzzer.a /usr/lib
+RUN rm -f Fuzzer*.o
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/test/node_jessie_x64/Dockerfile b/tools/dockerfile/test/node_jessie_x64/Dockerfile
index 0655bf7179e8c743d275bf8f7697da2c041dda7a..64314f88642bd1f30834da87e68283f63c0e7e51 100644
--- a/tools/dockerfile/test/node_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/node_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/php_jessie_x64/Dockerfile b/tools/dockerfile/test/php_jessie_x64/Dockerfile
index 43081e7d38ac3fbba4bdec28862d12a52d34e3e6..d8d27846c16d0ab19a98b2188dc12a8623d6f852 100644
--- a/tools/dockerfile/test/php_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/php_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/python_jessie_x64/Dockerfile b/tools/dockerfile/test/python_jessie_x64/Dockerfile
index 7ed8b4c085fbe8880e150828a59bb79652fd3e0b..071fb2c93b139292026f106e8802535f4ab7e7d6 100644
--- a/tools/dockerfile/test/python_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/python_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/ruby_jessie_x64/Dockerfile b/tools/dockerfile/test/ruby_jessie_x64/Dockerfile
index 91af772d72b644f25aee888e66c378242196dbf2..df8eef54385292da68685464894d61b56cb60af4 100644
--- a/tools/dockerfile/test/ruby_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/ruby_jessie_x64/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/dockerfile/test/sanity/Dockerfile b/tools/dockerfile/test/sanity/Dockerfile
index 1935f675602bb743a0cc7908cbcb1bc4485ab790..3146a922b7ea8f667b2aaff37eb890c1104bf035 100644
--- a/tools/dockerfile/test/sanity/Dockerfile
+++ b/tools/dockerfile/test/sanity/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -65,7 +65,14 @@ RUN apt-get update && apt-get install -y time && apt-get clean
 
 #========================
 # Sanity test dependencies
-RUN apt-get update && apt-get install -y python-pip
+RUN apt-get update && apt-get install -y \
+      python-pip \
+      autoconf \
+      automake \
+      libtool \
+      curl \
+      python-virtualenv \
+      python-lxml
 RUN pip install simplejson mako
 
 #===================
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index 253262c9aa37ceb5c47bc29d06994db11788068f..7dc049604756646875e85a91e64c4b1979ef837d 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -795,8 +795,6 @@ include/grpc++/support/async_stream.h \
 include/grpc++/support/async_unary_call.h \
 include/grpc++/support/byte_buffer.h \
 include/grpc++/support/channel_arguments.h \
-include/grpc++/support/config.h \
-include/grpc++/support/config_protobuf.h \
 include/grpc++/support/slice.h \
 include/grpc++/support/status.h \
 include/grpc++/support/status_code_enum.h \
@@ -813,9 +811,8 @@ include/grpc++/impl/codegen/client_context.h \
 include/grpc++/impl/codegen/client_unary_call.h \
 include/grpc++/impl/codegen/completion_queue.h \
 include/grpc++/impl/codegen/completion_queue_tag.h \
-include/grpc++/impl/codegen/config.h \
-include/grpc++/impl/codegen/config_protobuf.h \
 include/grpc++/impl/codegen/core_codegen_interface.h \
+include/grpc++/impl/codegen/create_auth_context.h \
 include/grpc++/impl/codegen/grpc_library.h \
 include/grpc++/impl/codegen/method_handler_impl.h \
 include/grpc++/impl/codegen/proto_utils.h \
@@ -834,7 +831,31 @@ include/grpc++/impl/codegen/sync.h \
 include/grpc++/impl/codegen/sync_cxx11.h \
 include/grpc++/impl/codegen/sync_no_cxx11.h \
 include/grpc++/impl/codegen/sync_stream.h \
-include/grpc++/impl/codegen/time.h
+include/grpc++/impl/codegen/time.h \
+include/grpc/impl/codegen/byte_buffer.h \
+include/grpc/impl/codegen/compression_types.h \
+include/grpc/impl/codegen/connectivity_state.h \
+include/grpc/impl/codegen/grpc_types.h \
+include/grpc/impl/codegen/propagation_bits.h \
+include/grpc/impl/codegen/status.h \
+include/grpc/impl/codegen/alloc.h \
+include/grpc/impl/codegen/atm.h \
+include/grpc/impl/codegen/atm_gcc_atomic.h \
+include/grpc/impl/codegen/atm_gcc_sync.h \
+include/grpc/impl/codegen/atm_win32.h \
+include/grpc/impl/codegen/log.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/slice.h \
+include/grpc/impl/codegen/slice_buffer.h \
+include/grpc/impl/codegen/sync.h \
+include/grpc/impl/codegen/sync_generic.h \
+include/grpc/impl/codegen/sync_posix.h \
+include/grpc/impl/codegen/sync_win32.h \
+include/grpc/impl/codegen/time.h \
+include/grpc++/impl/codegen/config.h \
+include/grpc++/impl/codegen/config_protobuf.h \
+include/grpc++/support/config.h \
+include/grpc++/support/config_protobuf.h
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 134b16f48555f635a1ebce475efd0d0542109887..312fd17cb2235ea5fc2d320bda09bc20579b8f4d 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -795,8 +795,6 @@ include/grpc++/support/async_stream.h \
 include/grpc++/support/async_unary_call.h \
 include/grpc++/support/byte_buffer.h \
 include/grpc++/support/channel_arguments.h \
-include/grpc++/support/config.h \
-include/grpc++/support/config_protobuf.h \
 include/grpc++/support/slice.h \
 include/grpc++/support/status.h \
 include/grpc++/support/status_code_enum.h \
@@ -813,9 +811,8 @@ include/grpc++/impl/codegen/client_context.h \
 include/grpc++/impl/codegen/client_unary_call.h \
 include/grpc++/impl/codegen/completion_queue.h \
 include/grpc++/impl/codegen/completion_queue_tag.h \
-include/grpc++/impl/codegen/config.h \
-include/grpc++/impl/codegen/config_protobuf.h \
 include/grpc++/impl/codegen/core_codegen_interface.h \
+include/grpc++/impl/codegen/create_auth_context.h \
 include/grpc++/impl/codegen/grpc_library.h \
 include/grpc++/impl/codegen/method_handler_impl.h \
 include/grpc++/impl/codegen/proto_utils.h \
@@ -835,13 +832,35 @@ include/grpc++/impl/codegen/sync_cxx11.h \
 include/grpc++/impl/codegen/sync_no_cxx11.h \
 include/grpc++/impl/codegen/sync_stream.h \
 include/grpc++/impl/codegen/time.h \
+include/grpc/impl/codegen/byte_buffer.h \
+include/grpc/impl/codegen/compression_types.h \
+include/grpc/impl/codegen/connectivity_state.h \
+include/grpc/impl/codegen/grpc_types.h \
+include/grpc/impl/codegen/propagation_bits.h \
+include/grpc/impl/codegen/status.h \
+include/grpc/impl/codegen/alloc.h \
+include/grpc/impl/codegen/atm.h \
+include/grpc/impl/codegen/atm_gcc_atomic.h \
+include/grpc/impl/codegen/atm_gcc_sync.h \
+include/grpc/impl/codegen/atm_win32.h \
+include/grpc/impl/codegen/log.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/slice.h \
+include/grpc/impl/codegen/slice_buffer.h \
+include/grpc/impl/codegen/sync.h \
+include/grpc/impl/codegen/sync_generic.h \
+include/grpc/impl/codegen/sync_posix.h \
+include/grpc/impl/codegen/sync_win32.h \
+include/grpc/impl/codegen/time.h \
+include/grpc++/impl/codegen/config.h \
+include/grpc++/impl/codegen/config_protobuf.h \
+include/grpc++/support/config.h \
+include/grpc++/support/config_protobuf.h \
 src/cpp/client/secure_credentials.h \
 src/cpp/common/core_codegen.h \
 src/cpp/common/secure_auth_context.h \
 src/cpp/server/secure_server_credentials.h \
 src/cpp/client/create_channel_internal.h \
-src/cpp/common/core_codegen.h \
-src/cpp/common/create_auth_context.h \
 src/cpp/server/dynamic_thread_pool.h \
 src/cpp/server/thread_pool_interface.h \
 src/cpp/client/secure_credentials.cc \
diff --git a/tools/doxygen/Doxyfile.core b/tools/doxygen/Doxyfile.core
index e326adcb1a0cc4a9a17a0c18b330f065c01403a8..034d9c6e6f4af6ebe79e81a97aeac345649514da 100644
--- a/tools/doxygen/Doxyfile.core
+++ b/tools/doxygen/Doxyfile.core
@@ -760,8 +760,7 @@ WARN_LOGFILE           =
 # spaces.
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = include/grpc/grpc_security.h \
-include/grpc/byte_buffer.h \
+INPUT                  = include/grpc/byte_buffer.h \
 include/grpc/byte_buffer_reader.h \
 include/grpc/compression.h \
 include/grpc/grpc.h \
@@ -772,6 +771,22 @@ include/grpc/impl/codegen/connectivity_state.h \
 include/grpc/impl/codegen/grpc_types.h \
 include/grpc/impl/codegen/propagation_bits.h \
 include/grpc/impl/codegen/status.h \
+include/grpc/impl/codegen/alloc.h \
+include/grpc/impl/codegen/atm.h \
+include/grpc/impl/codegen/atm_gcc_atomic.h \
+include/grpc/impl/codegen/atm_gcc_sync.h \
+include/grpc/impl/codegen/atm_win32.h \
+include/grpc/impl/codegen/log.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/slice.h \
+include/grpc/impl/codegen/slice_buffer.h \
+include/grpc/impl/codegen/sync.h \
+include/grpc/impl/codegen/sync_generic.h \
+include/grpc/impl/codegen/sync_posix.h \
+include/grpc/impl/codegen/sync_win32.h \
+include/grpc/impl/codegen/time.h \
+include/grpc/grpc_security.h \
+include/grpc/grpc_security_constants.h \
 include/grpc/census.h \
 include/grpc/support/alloc.h \
 include/grpc/support/atm.h \
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index a06d4ecb4268bcc26fdd94553ff6b47ae75ef484..3a774a70d6bd7d95f09bf120ea291b9379bd3736 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -760,8 +760,7 @@ WARN_LOGFILE           =
 # spaces.
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = include/grpc/grpc_security.h \
-include/grpc/byte_buffer.h \
+INPUT                  = include/grpc/byte_buffer.h \
 include/grpc/byte_buffer_reader.h \
 include/grpc/compression.h \
 include/grpc/grpc.h \
@@ -772,303 +771,324 @@ include/grpc/impl/codegen/connectivity_state.h \
 include/grpc/impl/codegen/grpc_types.h \
 include/grpc/impl/codegen/propagation_bits.h \
 include/grpc/impl/codegen/status.h \
+include/grpc/impl/codegen/alloc.h \
+include/grpc/impl/codegen/atm.h \
+include/grpc/impl/codegen/atm_gcc_atomic.h \
+include/grpc/impl/codegen/atm_gcc_sync.h \
+include/grpc/impl/codegen/atm_win32.h \
+include/grpc/impl/codegen/log.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/slice.h \
+include/grpc/impl/codegen/slice_buffer.h \
+include/grpc/impl/codegen/sync.h \
+include/grpc/impl/codegen/sync_generic.h \
+include/grpc/impl/codegen/sync_posix.h \
+include/grpc/impl/codegen/sync_win32.h \
+include/grpc/impl/codegen/time.h \
+include/grpc/grpc_security.h \
+include/grpc/grpc_security_constants.h \
 include/grpc/census.h \
-src/core/census/grpc_filter.h \
-src/core/channel/channel_args.h \
-src/core/channel/channel_stack.h \
-src/core/channel/client_channel.h \
-src/core/channel/client_uchannel.h \
-src/core/channel/compress_filter.h \
-src/core/channel/connected_channel.h \
-src/core/channel/context.h \
-src/core/channel/http_client_filter.h \
-src/core/channel/http_server_filter.h \
-src/core/channel/subchannel_call_holder.h \
-src/core/client_config/client_config.h \
-src/core/client_config/connector.h \
-src/core/client_config/initial_connect_string.h \
-src/core/client_config/lb_policies/load_balancer_api.h \
-src/core/client_config/lb_policies/pick_first.h \
-src/core/client_config/lb_policies/round_robin.h \
-src/core/client_config/lb_policy.h \
-src/core/client_config/lb_policy_factory.h \
-src/core/client_config/lb_policy_registry.h \
-src/core/client_config/resolver.h \
-src/core/client_config/resolver_factory.h \
-src/core/client_config/resolver_registry.h \
-src/core/client_config/resolvers/dns_resolver.h \
-src/core/client_config/resolvers/sockaddr_resolver.h \
-src/core/client_config/subchannel.h \
-src/core/client_config/subchannel_factory.h \
-src/core/client_config/subchannel_index.h \
-src/core/client_config/uri_parser.h \
-src/core/compression/algorithm_metadata.h \
-src/core/compression/message_compress.h \
-src/core/debug/trace.h \
-src/core/httpcli/format_request.h \
-src/core/httpcli/httpcli.h \
-src/core/httpcli/parser.h \
-src/core/iomgr/closure.h \
-src/core/iomgr/endpoint.h \
-src/core/iomgr/endpoint_pair.h \
-src/core/iomgr/exec_ctx.h \
-src/core/iomgr/executor.h \
-src/core/iomgr/fd_posix.h \
-src/core/iomgr/iocp_windows.h \
-src/core/iomgr/iomgr.h \
-src/core/iomgr/iomgr_internal.h \
-src/core/iomgr/iomgr_posix.h \
-src/core/iomgr/pollset.h \
-src/core/iomgr/pollset_posix.h \
-src/core/iomgr/pollset_set.h \
-src/core/iomgr/pollset_set_posix.h \
-src/core/iomgr/pollset_set_windows.h \
-src/core/iomgr/pollset_windows.h \
-src/core/iomgr/resolve_address.h \
-src/core/iomgr/sockaddr.h \
-src/core/iomgr/sockaddr_posix.h \
-src/core/iomgr/sockaddr_utils.h \
-src/core/iomgr/sockaddr_win32.h \
-src/core/iomgr/socket_utils_posix.h \
-src/core/iomgr/socket_windows.h \
-src/core/iomgr/tcp_client.h \
-src/core/iomgr/tcp_posix.h \
-src/core/iomgr/tcp_server.h \
-src/core/iomgr/tcp_windows.h \
-src/core/iomgr/time_averaged_stats.h \
-src/core/iomgr/timer.h \
-src/core/iomgr/timer_heap.h \
-src/core/iomgr/udp_server.h \
-src/core/iomgr/wakeup_fd_pipe.h \
-src/core/iomgr/wakeup_fd_posix.h \
-src/core/iomgr/workqueue.h \
-src/core/iomgr/workqueue_posix.h \
-src/core/iomgr/workqueue_windows.h \
-src/core/json/json.h \
-src/core/json/json_common.h \
-src/core/json/json_reader.h \
-src/core/json/json_writer.h \
-src/core/proto/grpc/lb/v0/load_balancer.pb.h \
-src/core/statistics/census_interface.h \
-src/core/statistics/census_rpc_stats.h \
-src/core/surface/api_trace.h \
-src/core/surface/call.h \
-src/core/surface/call_test_only.h \
-src/core/surface/channel.h \
-src/core/surface/completion_queue.h \
-src/core/surface/event_string.h \
-src/core/surface/init.h \
-src/core/surface/server.h \
-src/core/surface/surface_trace.h \
-src/core/transport/byte_stream.h \
-src/core/transport/chttp2/alpn.h \
-src/core/transport/chttp2/bin_encoder.h \
-src/core/transport/chttp2/frame.h \
-src/core/transport/chttp2/frame_data.h \
-src/core/transport/chttp2/frame_goaway.h \
-src/core/transport/chttp2/frame_ping.h \
-src/core/transport/chttp2/frame_rst_stream.h \
-src/core/transport/chttp2/frame_settings.h \
-src/core/transport/chttp2/frame_window_update.h \
-src/core/transport/chttp2/hpack_encoder.h \
-src/core/transport/chttp2/hpack_parser.h \
-src/core/transport/chttp2/hpack_table.h \
-src/core/transport/chttp2/http2_errors.h \
-src/core/transport/chttp2/huffsyms.h \
-src/core/transport/chttp2/incoming_metadata.h \
-src/core/transport/chttp2/internal.h \
-src/core/transport/chttp2/status_conversion.h \
-src/core/transport/chttp2/stream_map.h \
-src/core/transport/chttp2/timeout_encoding.h \
-src/core/transport/chttp2/varint.h \
-src/core/transport/chttp2_transport.h \
-src/core/transport/connectivity_state.h \
-src/core/transport/metadata.h \
-src/core/transport/metadata_batch.h \
-src/core/transport/static_metadata.h \
-src/core/transport/transport.h \
-src/core/transport/transport_impl.h \
-src/core/security/auth_filters.h \
-src/core/security/b64.h \
-src/core/security/credentials.h \
-src/core/security/handshake.h \
-src/core/security/json_token.h \
-src/core/security/jwt_verifier.h \
-src/core/security/secure_endpoint.h \
-src/core/security/security_connector.h \
-src/core/security/security_context.h \
-src/core/tsi/fake_transport_security.h \
-src/core/tsi/ssl_transport_security.h \
-src/core/tsi/ssl_types.h \
-src/core/tsi/transport_security.h \
-src/core/tsi/transport_security_interface.h \
-src/core/census/aggregation.h \
-src/core/census/mlog.h \
-src/core/census/rpc_metric_id.h \
+src/core/lib/channel/channel_args.h \
+src/core/lib/channel/channel_stack.h \
+src/core/lib/channel/channel_stack_builder.h \
+src/core/lib/channel/compress_filter.h \
+src/core/lib/channel/connected_channel.h \
+src/core/lib/channel/context.h \
+src/core/lib/channel/http_client_filter.h \
+src/core/lib/channel/http_server_filter.h \
+src/core/lib/compression/algorithm_metadata.h \
+src/core/lib/compression/message_compress.h \
+src/core/lib/debug/trace.h \
+src/core/lib/http/format_request.h \
+src/core/lib/http/httpcli.h \
+src/core/lib/http/parser.h \
+src/core/lib/iomgr/closure.h \
+src/core/lib/iomgr/endpoint.h \
+src/core/lib/iomgr/endpoint_pair.h \
+src/core/lib/iomgr/ev_poll_and_epoll_posix.h \
+src/core/lib/iomgr/ev_posix.h \
+src/core/lib/iomgr/exec_ctx.h \
+src/core/lib/iomgr/executor.h \
+src/core/lib/iomgr/iocp_windows.h \
+src/core/lib/iomgr/iomgr.h \
+src/core/lib/iomgr/iomgr_internal.h \
+src/core/lib/iomgr/iomgr_posix.h \
+src/core/lib/iomgr/pollset.h \
+src/core/lib/iomgr/pollset_set.h \
+src/core/lib/iomgr/pollset_set_windows.h \
+src/core/lib/iomgr/pollset_windows.h \
+src/core/lib/iomgr/resolve_address.h \
+src/core/lib/iomgr/sockaddr.h \
+src/core/lib/iomgr/sockaddr_posix.h \
+src/core/lib/iomgr/sockaddr_utils.h \
+src/core/lib/iomgr/sockaddr_win32.h \
+src/core/lib/iomgr/socket_utils_posix.h \
+src/core/lib/iomgr/socket_windows.h \
+src/core/lib/iomgr/tcp_client.h \
+src/core/lib/iomgr/tcp_posix.h \
+src/core/lib/iomgr/tcp_server.h \
+src/core/lib/iomgr/tcp_windows.h \
+src/core/lib/iomgr/time_averaged_stats.h \
+src/core/lib/iomgr/timer.h \
+src/core/lib/iomgr/timer_heap.h \
+src/core/lib/iomgr/udp_server.h \
+src/core/lib/iomgr/unix_sockets_posix.h \
+src/core/lib/iomgr/wakeup_fd_pipe.h \
+src/core/lib/iomgr/wakeup_fd_posix.h \
+src/core/lib/iomgr/workqueue.h \
+src/core/lib/iomgr/workqueue_posix.h \
+src/core/lib/iomgr/workqueue_windows.h \
+src/core/lib/json/json.h \
+src/core/lib/json/json_common.h \
+src/core/lib/json/json_reader.h \
+src/core/lib/json/json_writer.h \
+src/core/lib/surface/api_trace.h \
+src/core/lib/surface/call.h \
+src/core/lib/surface/call_test_only.h \
+src/core/lib/surface/channel.h \
+src/core/lib/surface/channel_init.h \
+src/core/lib/surface/channel_stack_type.h \
+src/core/lib/surface/completion_queue.h \
+src/core/lib/surface/event_string.h \
+src/core/lib/surface/init.h \
+src/core/lib/surface/lame_client.h \
+src/core/lib/surface/server.h \
+src/core/lib/surface/surface_trace.h \
+src/core/lib/transport/byte_stream.h \
+src/core/lib/transport/connectivity_state.h \
+src/core/lib/transport/metadata.h \
+src/core/lib/transport/metadata_batch.h \
+src/core/lib/transport/static_metadata.h \
+src/core/lib/transport/transport.h \
+src/core/lib/transport/transport_impl.h \
+src/core/ext/transport/chttp2/transport/bin_encoder.h \
+src/core/ext/transport/chttp2/transport/chttp2_transport.h \
+src/core/ext/transport/chttp2/transport/frame.h \
+src/core/ext/transport/chttp2/transport/frame_data.h \
+src/core/ext/transport/chttp2/transport/frame_goaway.h \
+src/core/ext/transport/chttp2/transport/frame_ping.h \
+src/core/ext/transport/chttp2/transport/frame_rst_stream.h \
+src/core/ext/transport/chttp2/transport/frame_settings.h \
+src/core/ext/transport/chttp2/transport/frame_window_update.h \
+src/core/ext/transport/chttp2/transport/hpack_encoder.h \
+src/core/ext/transport/chttp2/transport/hpack_parser.h \
+src/core/ext/transport/chttp2/transport/hpack_table.h \
+src/core/ext/transport/chttp2/transport/http2_errors.h \
+src/core/ext/transport/chttp2/transport/huffsyms.h \
+src/core/ext/transport/chttp2/transport/incoming_metadata.h \
+src/core/ext/transport/chttp2/transport/internal.h \
+src/core/ext/transport/chttp2/transport/status_conversion.h \
+src/core/ext/transport/chttp2/transport/stream_map.h \
+src/core/ext/transport/chttp2/transport/timeout_encoding.h \
+src/core/ext/transport/chttp2/transport/varint.h \
+src/core/ext/transport/chttp2/alpn/alpn.h \
+src/core/lib/security/auth_filters.h \
+src/core/lib/security/b64.h \
+src/core/lib/security/credentials.h \
+src/core/lib/security/handshake.h \
+src/core/lib/security/json_token.h \
+src/core/lib/security/jwt_verifier.h \
+src/core/lib/security/secure_endpoint.h \
+src/core/lib/security/security_connector.h \
+src/core/lib/security/security_context.h \
+src/core/lib/tsi/fake_transport_security.h \
+src/core/lib/tsi/ssl_transport_security.h \
+src/core/lib/tsi/ssl_types.h \
+src/core/lib/tsi/transport_security.h \
+src/core/lib/tsi/transport_security_interface.h \
+src/core/ext/client_config/client_channel.h \
+src/core/ext/client_config/client_channel_factory.h \
+src/core/ext/client_config/client_config.h \
+src/core/ext/client_config/connector.h \
+src/core/ext/client_config/initial_connect_string.h \
+src/core/ext/client_config/lb_policy.h \
+src/core/ext/client_config/lb_policy_factory.h \
+src/core/ext/client_config/lb_policy_registry.h \
+src/core/ext/client_config/parse_address.h \
+src/core/ext/client_config/resolver.h \
+src/core/ext/client_config/resolver_factory.h \
+src/core/ext/client_config/resolver_registry.h \
+src/core/ext/client_config/subchannel.h \
+src/core/ext/client_config/subchannel_call_holder.h \
+src/core/ext/client_config/subchannel_index.h \
+src/core/ext/client_config/uri_parser.h \
+src/core/ext/lb_policy/grpclb/load_balancer_api.h \
+src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h \
 third_party/nanopb/pb.h \
 third_party/nanopb/pb_common.h \
 third_party/nanopb/pb_decode.h \
 third_party/nanopb/pb_encode.h \
-src/core/census/grpc_context.c \
-src/core/census/grpc_filter.c \
-src/core/channel/channel_args.c \
-src/core/channel/channel_stack.c \
-src/core/channel/client_channel.c \
-src/core/channel/client_uchannel.c \
-src/core/channel/compress_filter.c \
-src/core/channel/connected_channel.c \
-src/core/channel/http_client_filter.c \
-src/core/channel/http_server_filter.c \
-src/core/channel/subchannel_call_holder.c \
-src/core/client_config/client_config.c \
-src/core/client_config/connector.c \
-src/core/client_config/default_initial_connect_string.c \
-src/core/client_config/initial_connect_string.c \
-src/core/client_config/lb_policies/load_balancer_api.c \
-src/core/client_config/lb_policies/pick_first.c \
-src/core/client_config/lb_policies/round_robin.c \
-src/core/client_config/lb_policy.c \
-src/core/client_config/lb_policy_factory.c \
-src/core/client_config/lb_policy_registry.c \
-src/core/client_config/resolver.c \
-src/core/client_config/resolver_factory.c \
-src/core/client_config/resolver_registry.c \
-src/core/client_config/resolvers/dns_resolver.c \
-src/core/client_config/resolvers/sockaddr_resolver.c \
-src/core/client_config/subchannel.c \
-src/core/client_config/subchannel_factory.c \
-src/core/client_config/subchannel_index.c \
-src/core/client_config/uri_parser.c \
-src/core/compression/compression_algorithm.c \
-src/core/compression/message_compress.c \
-src/core/debug/trace.c \
-src/core/httpcli/format_request.c \
-src/core/httpcli/httpcli.c \
-src/core/httpcli/parser.c \
-src/core/iomgr/closure.c \
-src/core/iomgr/endpoint.c \
-src/core/iomgr/endpoint_pair_posix.c \
-src/core/iomgr/endpoint_pair_windows.c \
-src/core/iomgr/exec_ctx.c \
-src/core/iomgr/executor.c \
-src/core/iomgr/fd_posix.c \
-src/core/iomgr/iocp_windows.c \
-src/core/iomgr/iomgr.c \
-src/core/iomgr/iomgr_posix.c \
-src/core/iomgr/iomgr_windows.c \
-src/core/iomgr/pollset_multipoller_with_epoll.c \
-src/core/iomgr/pollset_multipoller_with_poll_posix.c \
-src/core/iomgr/pollset_posix.c \
-src/core/iomgr/pollset_set_posix.c \
-src/core/iomgr/pollset_set_windows.c \
-src/core/iomgr/pollset_windows.c \
-src/core/iomgr/resolve_address_posix.c \
-src/core/iomgr/resolve_address_windows.c \
-src/core/iomgr/sockaddr_utils.c \
-src/core/iomgr/socket_utils_common_posix.c \
-src/core/iomgr/socket_utils_linux.c \
-src/core/iomgr/socket_utils_posix.c \
-src/core/iomgr/socket_windows.c \
-src/core/iomgr/tcp_client_posix.c \
-src/core/iomgr/tcp_client_windows.c \
-src/core/iomgr/tcp_posix.c \
-src/core/iomgr/tcp_server_posix.c \
-src/core/iomgr/tcp_server_windows.c \
-src/core/iomgr/tcp_windows.c \
-src/core/iomgr/time_averaged_stats.c \
-src/core/iomgr/timer.c \
-src/core/iomgr/timer_heap.c \
-src/core/iomgr/udp_server.c \
-src/core/iomgr/wakeup_fd_eventfd.c \
-src/core/iomgr/wakeup_fd_nospecial.c \
-src/core/iomgr/wakeup_fd_pipe.c \
-src/core/iomgr/wakeup_fd_posix.c \
-src/core/iomgr/workqueue_posix.c \
-src/core/iomgr/workqueue_windows.c \
-src/core/json/json.c \
-src/core/json/json_reader.c \
-src/core/json/json_string.c \
-src/core/json/json_writer.c \
-src/core/proto/grpc/lb/v0/load_balancer.pb.c \
-src/core/surface/alarm.c \
-src/core/surface/api_trace.c \
-src/core/surface/byte_buffer.c \
-src/core/surface/byte_buffer_reader.c \
-src/core/surface/call.c \
-src/core/surface/call_details.c \
-src/core/surface/call_log_batch.c \
-src/core/surface/channel.c \
-src/core/surface/channel_connectivity.c \
-src/core/surface/channel_create.c \
-src/core/surface/channel_ping.c \
-src/core/surface/completion_queue.c \
-src/core/surface/event_string.c \
-src/core/surface/init.c \
-src/core/surface/lame_client.c \
-src/core/surface/metadata_array.c \
-src/core/surface/server.c \
-src/core/surface/server_chttp2.c \
-src/core/surface/server_create.c \
-src/core/surface/validate_metadata.c \
-src/core/surface/version.c \
-src/core/transport/byte_stream.c \
-src/core/transport/chttp2/alpn.c \
-src/core/transport/chttp2/bin_encoder.c \
-src/core/transport/chttp2/frame_data.c \
-src/core/transport/chttp2/frame_goaway.c \
-src/core/transport/chttp2/frame_ping.c \
-src/core/transport/chttp2/frame_rst_stream.c \
-src/core/transport/chttp2/frame_settings.c \
-src/core/transport/chttp2/frame_window_update.c \
-src/core/transport/chttp2/hpack_encoder.c \
-src/core/transport/chttp2/hpack_parser.c \
-src/core/transport/chttp2/hpack_table.c \
-src/core/transport/chttp2/huffsyms.c \
-src/core/transport/chttp2/incoming_metadata.c \
-src/core/transport/chttp2/parsing.c \
-src/core/transport/chttp2/status_conversion.c \
-src/core/transport/chttp2/stream_lists.c \
-src/core/transport/chttp2/stream_map.c \
-src/core/transport/chttp2/timeout_encoding.c \
-src/core/transport/chttp2/varint.c \
-src/core/transport/chttp2/writing.c \
-src/core/transport/chttp2_transport.c \
-src/core/transport/connectivity_state.c \
-src/core/transport/metadata.c \
-src/core/transport/metadata_batch.c \
-src/core/transport/static_metadata.c \
-src/core/transport/transport.c \
-src/core/transport/transport_op_string.c \
-src/core/httpcli/httpcli_security_connector.c \
-src/core/security/b64.c \
-src/core/security/client_auth_filter.c \
-src/core/security/credentials.c \
-src/core/security/credentials_metadata.c \
-src/core/security/credentials_posix.c \
-src/core/security/credentials_win32.c \
-src/core/security/google_default_credentials.c \
-src/core/security/handshake.c \
-src/core/security/json_token.c \
-src/core/security/jwt_verifier.c \
-src/core/security/secure_endpoint.c \
-src/core/security/security_connector.c \
-src/core/security/security_context.c \
-src/core/security/server_auth_filter.c \
-src/core/security/server_secure_chttp2.c \
-src/core/surface/init_secure.c \
-src/core/surface/secure_channel_create.c \
-src/core/tsi/fake_transport_security.c \
-src/core/tsi/ssl_transport_security.c \
-src/core/tsi/transport_security.c \
-src/core/census/context.c \
-src/core/census/initialize.c \
-src/core/census/mlog.c \
-src/core/census/operation.c \
-src/core/census/placeholders.c \
-src/core/census/tracing.c \
+src/core/ext/census/aggregation.h \
+src/core/ext/census/census_interface.h \
+src/core/ext/census/census_rpc_stats.h \
+src/core/ext/census/grpc_filter.h \
+src/core/ext/census/mlog.h \
+src/core/ext/census/rpc_metric_id.h \
+src/core/lib/surface/init.c \
+src/core/lib/channel/channel_args.c \
+src/core/lib/channel/channel_stack.c \
+src/core/lib/channel/channel_stack_builder.c \
+src/core/lib/channel/compress_filter.c \
+src/core/lib/channel/connected_channel.c \
+src/core/lib/channel/http_client_filter.c \
+src/core/lib/channel/http_server_filter.c \
+src/core/lib/compression/compression_algorithm.c \
+src/core/lib/compression/message_compress.c \
+src/core/lib/debug/trace.c \
+src/core/lib/http/format_request.c \
+src/core/lib/http/httpcli.c \
+src/core/lib/http/parser.c \
+src/core/lib/iomgr/closure.c \
+src/core/lib/iomgr/endpoint.c \
+src/core/lib/iomgr/endpoint_pair_posix.c \
+src/core/lib/iomgr/endpoint_pair_windows.c \
+src/core/lib/iomgr/ev_poll_and_epoll_posix.c \
+src/core/lib/iomgr/ev_posix.c \
+src/core/lib/iomgr/exec_ctx.c \
+src/core/lib/iomgr/executor.c \
+src/core/lib/iomgr/iocp_windows.c \
+src/core/lib/iomgr/iomgr.c \
+src/core/lib/iomgr/iomgr_posix.c \
+src/core/lib/iomgr/iomgr_windows.c \
+src/core/lib/iomgr/pollset_set_windows.c \
+src/core/lib/iomgr/pollset_windows.c \
+src/core/lib/iomgr/resolve_address_posix.c \
+src/core/lib/iomgr/resolve_address_windows.c \
+src/core/lib/iomgr/sockaddr_utils.c \
+src/core/lib/iomgr/socket_utils_common_posix.c \
+src/core/lib/iomgr/socket_utils_linux.c \
+src/core/lib/iomgr/socket_utils_posix.c \
+src/core/lib/iomgr/socket_windows.c \
+src/core/lib/iomgr/tcp_client_posix.c \
+src/core/lib/iomgr/tcp_client_windows.c \
+src/core/lib/iomgr/tcp_posix.c \
+src/core/lib/iomgr/tcp_server_posix.c \
+src/core/lib/iomgr/tcp_server_windows.c \
+src/core/lib/iomgr/tcp_windows.c \
+src/core/lib/iomgr/time_averaged_stats.c \
+src/core/lib/iomgr/timer.c \
+src/core/lib/iomgr/timer_heap.c \
+src/core/lib/iomgr/udp_server.c \
+src/core/lib/iomgr/unix_sockets_posix.c \
+src/core/lib/iomgr/unix_sockets_posix_noop.c \
+src/core/lib/iomgr/wakeup_fd_eventfd.c \
+src/core/lib/iomgr/wakeup_fd_nospecial.c \
+src/core/lib/iomgr/wakeup_fd_pipe.c \
+src/core/lib/iomgr/wakeup_fd_posix.c \
+src/core/lib/iomgr/workqueue_posix.c \
+src/core/lib/iomgr/workqueue_windows.c \
+src/core/lib/json/json.c \
+src/core/lib/json/json_reader.c \
+src/core/lib/json/json_string.c \
+src/core/lib/json/json_writer.c \
+src/core/lib/surface/alarm.c \
+src/core/lib/surface/api_trace.c \
+src/core/lib/surface/byte_buffer.c \
+src/core/lib/surface/byte_buffer_reader.c \
+src/core/lib/surface/call.c \
+src/core/lib/surface/call_details.c \
+src/core/lib/surface/call_log_batch.c \
+src/core/lib/surface/channel.c \
+src/core/lib/surface/channel_init.c \
+src/core/lib/surface/channel_ping.c \
+src/core/lib/surface/channel_stack_type.c \
+src/core/lib/surface/completion_queue.c \
+src/core/lib/surface/event_string.c \
+src/core/lib/surface/lame_client.c \
+src/core/lib/surface/metadata_array.c \
+src/core/lib/surface/server.c \
+src/core/lib/surface/validate_metadata.c \
+src/core/lib/surface/version.c \
+src/core/lib/transport/byte_stream.c \
+src/core/lib/transport/connectivity_state.c \
+src/core/lib/transport/metadata.c \
+src/core/lib/transport/metadata_batch.c \
+src/core/lib/transport/static_metadata.c \
+src/core/lib/transport/transport.c \
+src/core/lib/transport/transport_op_string.c \
+src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c \
+src/core/ext/transport/chttp2/transport/bin_encoder.c \
+src/core/ext/transport/chttp2/transport/chttp2_plugin.c \
+src/core/ext/transport/chttp2/transport/chttp2_transport.c \
+src/core/ext/transport/chttp2/transport/frame_data.c \
+src/core/ext/transport/chttp2/transport/frame_goaway.c \
+src/core/ext/transport/chttp2/transport/frame_ping.c \
+src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
+src/core/ext/transport/chttp2/transport/frame_settings.c \
+src/core/ext/transport/chttp2/transport/frame_window_update.c \
+src/core/ext/transport/chttp2/transport/hpack_encoder.c \
+src/core/ext/transport/chttp2/transport/hpack_parser.c \
+src/core/ext/transport/chttp2/transport/hpack_table.c \
+src/core/ext/transport/chttp2/transport/huffsyms.c \
+src/core/ext/transport/chttp2/transport/incoming_metadata.c \
+src/core/ext/transport/chttp2/transport/parsing.c \
+src/core/ext/transport/chttp2/transport/status_conversion.c \
+src/core/ext/transport/chttp2/transport/stream_lists.c \
+src/core/ext/transport/chttp2/transport/stream_map.c \
+src/core/ext/transport/chttp2/transport/timeout_encoding.c \
+src/core/ext/transport/chttp2/transport/varint.c \
+src/core/ext/transport/chttp2/transport/writing.c \
+src/core/ext/transport/chttp2/alpn/alpn.c \
+src/core/lib/http/httpcli_security_connector.c \
+src/core/lib/security/b64.c \
+src/core/lib/security/client_auth_filter.c \
+src/core/lib/security/credentials.c \
+src/core/lib/security/credentials_metadata.c \
+src/core/lib/security/credentials_posix.c \
+src/core/lib/security/credentials_win32.c \
+src/core/lib/security/google_default_credentials.c \
+src/core/lib/security/handshake.c \
+src/core/lib/security/json_token.c \
+src/core/lib/security/jwt_verifier.c \
+src/core/lib/security/secure_endpoint.c \
+src/core/lib/security/security_connector.c \
+src/core/lib/security/security_context.c \
+src/core/lib/security/server_auth_filter.c \
+src/core/lib/surface/init_secure.c \
+src/core/lib/tsi/fake_transport_security.c \
+src/core/lib/tsi/ssl_transport_security.c \
+src/core/lib/tsi/transport_security.c \
+src/core/ext/transport/chttp2/client/secure/secure_channel_create.c \
+src/core/ext/client_config/channel_connectivity.c \
+src/core/ext/client_config/client_channel.c \
+src/core/ext/client_config/client_channel_factory.c \
+src/core/ext/client_config/client_config.c \
+src/core/ext/client_config/client_config_plugin.c \
+src/core/ext/client_config/connector.c \
+src/core/ext/client_config/default_initial_connect_string.c \
+src/core/ext/client_config/initial_connect_string.c \
+src/core/ext/client_config/lb_policy.c \
+src/core/ext/client_config/lb_policy_factory.c \
+src/core/ext/client_config/lb_policy_registry.c \
+src/core/ext/client_config/parse_address.c \
+src/core/ext/client_config/resolver.c \
+src/core/ext/client_config/resolver_factory.c \
+src/core/ext/client_config/resolver_registry.c \
+src/core/ext/client_config/subchannel.c \
+src/core/ext/client_config/subchannel_call_holder.c \
+src/core/ext/client_config/subchannel_index.c \
+src/core/ext/client_config/uri_parser.c \
+src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+src/core/ext/lb_policy/grpclb/load_balancer_api.c \
+src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
 third_party/nanopb/pb_common.c \
 third_party/nanopb/pb_decode.c \
 third_party/nanopb/pb_encode.c \
+src/core/ext/lb_policy/pick_first/pick_first.c \
+src/core/ext/lb_policy/round_robin/round_robin.c \
+src/core/ext/resolver/dns/native/dns_resolver.c \
+src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
+src/core/ext/census/context.c \
+src/core/ext/census/grpc_context.c \
+src/core/ext/census/grpc_filter.c \
+src/core/ext/census/grpc_plugin.c \
+src/core/ext/census/initialize.c \
+src/core/ext/census/mlog.c \
+src/core/ext/census/operation.c \
+src/core/ext/census/placeholders.c \
+src/core/ext/census/tracing.c \
+src/core/plugin_registry/grpc_plugin_registry.c \
 include/grpc/support/alloc.h \
 include/grpc/support/atm.h \
 include/grpc/support/atm_gcc_atomic.h \
@@ -1111,62 +1131,62 @@ include/grpc/impl/codegen/sync_generic.h \
 include/grpc/impl/codegen/sync_posix.h \
 include/grpc/impl/codegen/sync_win32.h \
 include/grpc/impl/codegen/time.h \
-src/core/profiling/timers.h \
-src/core/support/backoff.h \
-src/core/support/block_annotate.h \
-src/core/support/env.h \
-src/core/support/load_file.h \
-src/core/support/murmur_hash.h \
-src/core/support/stack_lockfree.h \
-src/core/support/string.h \
-src/core/support/string_win32.h \
-src/core/support/thd_internal.h \
-src/core/support/time_precise.h \
-src/core/support/tmpfile.h \
-src/core/profiling/basic_timers.c \
-src/core/profiling/stap_timers.c \
-src/core/support/alloc.c \
-src/core/support/avl.c \
-src/core/support/backoff.c \
-src/core/support/cmdline.c \
-src/core/support/cpu_iphone.c \
-src/core/support/cpu_linux.c \
-src/core/support/cpu_posix.c \
-src/core/support/cpu_windows.c \
-src/core/support/env_linux.c \
-src/core/support/env_posix.c \
-src/core/support/env_win32.c \
-src/core/support/histogram.c \
-src/core/support/host_port.c \
-src/core/support/load_file.c \
-src/core/support/log.c \
-src/core/support/log_android.c \
-src/core/support/log_linux.c \
-src/core/support/log_posix.c \
-src/core/support/log_win32.c \
-src/core/support/murmur_hash.c \
-src/core/support/slice.c \
-src/core/support/slice_buffer.c \
-src/core/support/stack_lockfree.c \
-src/core/support/string.c \
-src/core/support/string_posix.c \
-src/core/support/string_win32.c \
-src/core/support/subprocess_posix.c \
-src/core/support/subprocess_windows.c \
-src/core/support/sync.c \
-src/core/support/sync_posix.c \
-src/core/support/sync_win32.c \
-src/core/support/thd.c \
-src/core/support/thd_posix.c \
-src/core/support/thd_win32.c \
-src/core/support/time.c \
-src/core/support/time_posix.c \
-src/core/support/time_precise.c \
-src/core/support/time_win32.c \
-src/core/support/tls_pthread.c \
-src/core/support/tmpfile_posix.c \
-src/core/support/tmpfile_win32.c \
-src/core/support/wrap_memcpy.c
+src/core/lib/profiling/timers.h \
+src/core/lib/support/backoff.h \
+src/core/lib/support/block_annotate.h \
+src/core/lib/support/env.h \
+src/core/lib/support/load_file.h \
+src/core/lib/support/murmur_hash.h \
+src/core/lib/support/stack_lockfree.h \
+src/core/lib/support/string.h \
+src/core/lib/support/string_win32.h \
+src/core/lib/support/thd_internal.h \
+src/core/lib/support/time_precise.h \
+src/core/lib/support/tmpfile.h \
+src/core/lib/profiling/basic_timers.c \
+src/core/lib/profiling/stap_timers.c \
+src/core/lib/support/alloc.c \
+src/core/lib/support/avl.c \
+src/core/lib/support/backoff.c \
+src/core/lib/support/cmdline.c \
+src/core/lib/support/cpu_iphone.c \
+src/core/lib/support/cpu_linux.c \
+src/core/lib/support/cpu_posix.c \
+src/core/lib/support/cpu_windows.c \
+src/core/lib/support/env_linux.c \
+src/core/lib/support/env_posix.c \
+src/core/lib/support/env_win32.c \
+src/core/lib/support/histogram.c \
+src/core/lib/support/host_port.c \
+src/core/lib/support/load_file.c \
+src/core/lib/support/log.c \
+src/core/lib/support/log_android.c \
+src/core/lib/support/log_linux.c \
+src/core/lib/support/log_posix.c \
+src/core/lib/support/log_win32.c \
+src/core/lib/support/murmur_hash.c \
+src/core/lib/support/slice.c \
+src/core/lib/support/slice_buffer.c \
+src/core/lib/support/stack_lockfree.c \
+src/core/lib/support/string.c \
+src/core/lib/support/string_posix.c \
+src/core/lib/support/string_win32.c \
+src/core/lib/support/subprocess_posix.c \
+src/core/lib/support/subprocess_windows.c \
+src/core/lib/support/sync.c \
+src/core/lib/support/sync_posix.c \
+src/core/lib/support/sync_win32.c \
+src/core/lib/support/thd.c \
+src/core/lib/support/thd_posix.c \
+src/core/lib/support/thd_win32.c \
+src/core/lib/support/time.c \
+src/core/lib/support/time_posix.c \
+src/core/lib/support/time_precise.c \
+src/core/lib/support/time_win32.c \
+src/core/lib/support/tls_pthread.c \
+src/core/lib/support/tmpfile_posix.c \
+src/core/lib/support/tmpfile_win32.c \
+src/core/lib/support/wrap_memcpy.c
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
diff --git a/tools/fuzzer/build_and_run_fuzzer.sh b/tools/fuzzer/build_and_run_fuzzer.sh
new file mode 100755
index 0000000000000000000000000000000000000000..7139097e3ee5e6253371f6f4803acf3911e088b5
--- /dev/null
+++ b/tools/fuzzer/build_and_run_fuzzer.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+set -ex
+
+cd $(dirname $0)/../..
+make CONFIG=$config $1 -j3
+mkdir -p fuzzer_output
+export ASAN_OPTIONS=handle_abort=1
+. tools/fuzzer/runners/$1.sh
diff --git a/tools/fuzzer/runners/api_fuzzer.sh b/tools/fuzzer/runners/api_fuzzer.sh
new file mode 100644
index 0000000000000000000000000000000000000000..d1c1e7da0d5c6e95ebd3c330c8863f65c53a8e42
--- /dev/null
+++ b/tools/fuzzer/runners/api_fuzzer.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=2048 -timeout=120"
+
+flags="$flags -dict=test/core/end2end/fuzzers/api_fuzzer.dictionary"
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/api_fuzzer $flags fuzzer_output test/core/end2end/fuzzers/api_fuzzer_corpus
diff --git a/tools/fuzzer/runners/client_fuzzer.sh b/tools/fuzzer/runners/client_fuzzer.sh
new file mode 100644
index 0000000000000000000000000000000000000000..df03e2705cdc07f354cb14e518f039b96901623f
--- /dev/null
+++ b/tools/fuzzer/runners/client_fuzzer.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=2048 -timeout=120"
+
+flags="$flags -dict=test/core/end2end/fuzzers/hpack.dictionary"
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/client_fuzzer $flags fuzzer_output test/core/end2end/fuzzers/client_fuzzer_corpus
diff --git a/tools/fuzzer/runners/hpack_parser_fuzzer_test.sh b/tools/fuzzer/runners/hpack_parser_fuzzer_test.sh
new file mode 100644
index 0000000000000000000000000000000000000000..e49c0828355fd9cc512aaf8eb09c3f0e9805420f
--- /dev/null
+++ b/tools/fuzzer/runners/hpack_parser_fuzzer_test.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=512 -timeout=120"
+
+flags="$flags -dict=test/core/end2end/fuzzers/hpack.dictionary"
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/hpack_parser_fuzzer_test $flags fuzzer_output test/core/transport/chttp2/hpack_parser_corpus
diff --git a/tools/fuzzer/runners/http_fuzzer_test.sh b/tools/fuzzer/runners/http_fuzzer_test.sh
new file mode 100644
index 0000000000000000000000000000000000000000..d8dde1491e7ebf6179db0c82079705528ddee24c
--- /dev/null
+++ b/tools/fuzzer/runners/http_fuzzer_test.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=2048 -timeout=120"
+
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/http_fuzzer_test $flags fuzzer_output test/core/http/corpus
diff --git a/tools/fuzzer/runners/json_fuzzer_test.sh b/tools/fuzzer/runners/json_fuzzer_test.sh
new file mode 100644
index 0000000000000000000000000000000000000000..9eaef87e4ec0da0d534f3df04ddc26bbb3a89964
--- /dev/null
+++ b/tools/fuzzer/runners/json_fuzzer_test.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=512 -timeout=120"
+
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/json_fuzzer_test $flags fuzzer_output test/core/json/corpus
diff --git a/tools/fuzzer/runners/nanopb_fuzzer_response_test.sh b/tools/fuzzer/runners/nanopb_fuzzer_response_test.sh
new file mode 100644
index 0000000000000000000000000000000000000000..9db425bdcf5c8486a0cf52f7afa95f917e94228b
--- /dev/null
+++ b/tools/fuzzer/runners/nanopb_fuzzer_response_test.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=128 -timeout=120"
+
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/nanopb_fuzzer_response_test $flags fuzzer_output test/core/nanopb/corpus_response
diff --git a/tools/fuzzer/runners/nanopb_fuzzer_serverlist_test.sh b/tools/fuzzer/runners/nanopb_fuzzer_serverlist_test.sh
new file mode 100644
index 0000000000000000000000000000000000000000..33cfe6722165aa315841e88b1e16a16bc859d74a
--- /dev/null
+++ b/tools/fuzzer/runners/nanopb_fuzzer_serverlist_test.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=128 -timeout=120"
+
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/nanopb_fuzzer_serverlist_test $flags fuzzer_output test/core/nanopb/corpus_serverlist
diff --git a/tools/fuzzer/runners/server_fuzzer.sh b/tools/fuzzer/runners/server_fuzzer.sh
new file mode 100644
index 0000000000000000000000000000000000000000..337307a4d2095053a5dfc7725ab538316f9333a0
--- /dev/null
+++ b/tools/fuzzer/runners/server_fuzzer.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=2048 -timeout=120"
+
+flags="$flags -dict=test/core/end2end/fuzzers/hpack.dictionary"
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/server_fuzzer $flags fuzzer_output test/core/end2end/fuzzers/server_fuzzer_corpus
diff --git a/tools/fuzzer/runners/uri_fuzzer_test.sh b/tools/fuzzer/runners/uri_fuzzer_test.sh
new file mode 100644
index 0000000000000000000000000000000000000000..84d63bf4142fe30ac8b18f5c9e0153facd574f61
--- /dev/null
+++ b/tools/fuzzer/runners/uri_fuzzer_test.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -artifact_prefix=fuzzer_output/ -max_len=128 -timeout=120"
+
+
+if [ "$jobs" != "1" ]
+then
+  flags="-jobs=$jobs -workers=$jobs $flags"
+fi
+
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/uri_fuzzer_test $flags fuzzer_output test/core/client_config/uri_corpus
diff --git a/src/ruby/bin/interop/interop_client.rb b/tools/gce/create_interop_worker.sh
similarity index 61%
rename from src/ruby/bin/interop/interop_client.rb
rename to tools/gce/create_interop_worker.sh
index 239083f37f6e239cdc702ded10bd03a5c54428cb..9170d82144237986c80bc9cfb2694132a81292e7 100755
--- a/src/ruby/bin/interop/interop_client.rb
+++ b/tools/gce/create_interop_worker.sh
@@ -1,5 +1,4 @@
-#!/usr/bin/env ruby
-
+#!/bin/bash
 # Copyright 2015, Google Inc.
 # All rights reserved.
 #
@@ -29,23 +28,37 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# #######################################################################
-# DEPRECATED: The behaviour in this file has been moved to pb/test/client.rb
-#
-# This file remains to support existing tools and scripts that use it.
-# ######################################################################
-#
-# interop_client is a testing tool that accesses a gRPC interop testing
-# server and runs a test on it.
-#
-# Helps validate interoperation b/w different gRPC implementations.
-#
-# Usage: $ path/to/interop_client.rb --server_host=<hostname> \
-#                                    --server_port=<port> \
-#                                    --test_case=<testcase_name>
+# Creates an interop worker on GCE.
+# IMPORTANT: After this script finishes, there are still some manual
+# steps needed there are hard to automatize.
+# See go/grpc-jenkins-setup for followup instructions.
+
+set -ex
+
+cd $(dirname $0)
+
+CLOUD_PROJECT=grpc-testing
+ZONE=us-east1-a  # canary gateway is reachable from this zone
+
+INSTANCE_NAME="${1:-grpc-canary-interop2}"
+
+gcloud compute instances create $INSTANCE_NAME \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    --machine-type n1-standard-16 \
+    --image ubuntu-15-10 \
+    --boot-disk-size 1000 \
+    --scopes https://www.googleapis.com/auth/xapi.zoo
+
+echo 'Created GCE instance, waiting 60 seconds for it to come online.'
+sleep 60
 
-this_dir = File.expand_path(File.dirname(__FILE__))
-pb_dir = File.join(File.dirname(File.dirname(this_dir)), 'pb')
-$LOAD_PATH.unshift(pb_dir) unless $LOAD_PATH.include?(pb_dir)
+gcloud compute copy-files \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    jenkins_master.pub linux_worker_init.sh ${INSTANCE_NAME}:~
 
-require 'test/client'
+gcloud compute ssh \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    $INSTANCE_NAME --command "./linux_worker_init.sh"
diff --git a/tools/gce/create_linux_performance_worker.sh b/tools/gce/create_linux_performance_worker.sh
new file mode 100755
index 0000000000000000000000000000000000000000..8c9cc46a75c4211bd9bdd42d2cab9794963b2426
--- /dev/null
+++ b/tools/gce/create_linux_performance_worker.sh
@@ -0,0 +1,65 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Creates a performance worker on GCE.
+# IMPORTANT: After creating the worker, one needs to manually add the pubkey
+# of jenkins@the-machine-where-jenkins-starts-perf-tests
+# to ~/.ssh/authorized_keys so that multi-machine scenarios can work.
+# See tools/run_tests/run_performance_tests.py for details.
+
+set -ex
+
+cd $(dirname $0)
+
+CLOUD_PROJECT=grpc-testing
+ZONE=us-central1-b  # this zone allows 32core machines
+
+INSTANCE_NAME="${1:-grpc-performance-server1}"
+MACHINE_TYPE=n1-standard-32
+
+gcloud compute instances create $INSTANCE_NAME \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    --machine-type $MACHINE_TYPE \
+    --image ubuntu-15-10 \
+    --boot-disk-size 300
+
+echo 'Created GCE instance, waiting 60 seconds for it to come online.'
+sleep 60
+
+gcloud compute copy-files \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    jenkins_master.pub linux_performance_worker_init.sh jenkins@${INSTANCE_NAME}:~
+
+gcloud compute ssh \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    jenkins@${INSTANCE_NAME} --command "./linux_performance_worker_init.sh"
diff --git a/tools/gce/create_linux_worker.sh b/tools/gce/create_linux_worker.sh
index 399e3ec4e438283f211b9f5c348f18ed8bd7b2f0..dff0b1ce5f484c6434c09204b5dd8bab91d89be3 100755
--- a/tools/gce/create_linux_worker.sh
+++ b/tools/gce/create_linux_worker.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/gce/linux_performance_worker_init.sh b/tools/gce/linux_performance_worker_init.sh
new file mode 100755
index 0000000000000000000000000000000000000000..478e04ef37095e7565c3770d5de274050714fe2f
--- /dev/null
+++ b/tools/gce/linux_performance_worker_init.sh
@@ -0,0 +1,112 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Initializes a fresh GCE VM to become a jenkins linux performance worker.
+# You shouldn't run this script on your own,
+# use create_linux_performance_worker.sh instead.
+
+set -ex
+
+sudo apt-get update
+
+# Install Java 8 JDK (to build gRPC Java)
+sudo apt-get install -y openjdk-8-jdk
+sudo apt-get install -y unzip lsof
+
+# Add pubkey of jenkins@grpc-jenkins-master to authorized keys of jenkins@
+# This needs to happen as the last step to prevent Jenkins master from connecting
+# to a machine that hasn't been properly setup yet.
+cat jenkins_master.pub | sudo tee --append ~jenkins/.ssh/authorized_keys
+
+sudo apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  strace \
+  pypy \
+  python-dev \
+  python-pip \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip
+
+# perftools
+sudo apt-get install -y google-perftools libgoogle-perftools-dev
+
+# C++ dependencies
+sudo apt-get install -y libgflags-dev libgtest-dev libc++-dev clang
+
+# Python dependencies
+sudo pip install tabulate
+sudo pip install google-api-python-client
+
+curl -O https://bootstrap.pypa.io/get-pip.py
+sudo pypy get-pip.py
+sudo pypy -m pip install tabulate
+sudo pip install google-api-python-client
+
+# Node dependencies (nvm has to be installed under user jenkins)
+touch .profile
+curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
+nvm install 0.12 && npm config set cache /tmp/npm-cache
+
+# C# dependencies (http://www.mono-project.com/docs/getting-started/install/linux/#debian-ubuntu-and-derivatives)
+
+sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
+echo "deb http://download.mono-project.com/repo/debian wheezy main" | sudo tee /etc/apt/sources.list.d/mono-xamarin.list
+sudo apt-get update
+sudo apt-get install -y mono-devel nuget
+
+# Ruby dependencies
+gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
+curl -sSL https://get.rvm.io | bash -s stable --ruby
+
+# Install bundler (prerequisite for gRPC Ruby)
+source ~/.rvm/scripts/rvm
+gem install bundler
+
+# Java dependencies - nothing as we already have Java JDK 8
diff --git a/tools/gce/linux_worker_init.sh b/tools/gce/linux_worker_init.sh
index f56cac0ce2f1601a431acf3174e3d27b96512171..ef6a5d175c95d0bd182d4e15e021c52c4bb53403 100755
--- a/tools/gce/linux_worker_init.sh
+++ b/tools/gce/linux_worker_init.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/gcp/stress_test/run_client.py b/tools/gcp/stress_test/run_client.py
index 0fa1bf1cb975d11cd75578ffeaab3142857aca14..2004bf6db4cc009690fd8e7a915963444891ad44 100755
--- a/tools/gcp/stress_test/run_client.py
+++ b/tools/gcp/stress_test/run_client.py
@@ -31,6 +31,7 @@
 import datetime
 import os
 import re
+import resource
 import select
 import subprocess
 import sys
@@ -89,11 +90,16 @@ def run_client():
                examining logs). This is the reason why the script waits forever
                in case of failures
   """
+  # Set the 'core file' size to 'unlimited' so that 'core' files are generated
+  # if the client crashes (Note: This is not relevant for Java and Go clients)
+  resource.setrlimit(resource.RLIMIT_CORE,
+                     (resource.RLIM_INFINITY, resource.RLIM_INFINITY))
+
   env = dict(os.environ)
   image_type = env['STRESS_TEST_IMAGE_TYPE']
-  image_name = env['STRESS_TEST_IMAGE']
+  stress_client_cmd = env['STRESS_TEST_CMD'].split()
   args_str = env['STRESS_TEST_ARGS_STR']
-  metrics_client_image = env['METRICS_CLIENT_IMAGE']
+  metrics_client_cmd = env['METRICS_CLIENT_CMD'].split()
   metrics_client_args_str = env['METRICS_CLIENT_ARGS_STR']
   run_id = env['RUN_ID']
   pod_name = env['POD_NAME']
@@ -103,6 +109,11 @@ def run_client():
   dataset_id = env['DATASET_ID']
   summary_table_id = env['SUMMARY_TABLE_ID']
   qps_table_id = env['QPS_TABLE_ID']
+  # The following parameter is to inform us whether the stress client runs
+  # forever until forcefully stopped or will it naturally stop after sometime.
+  # This way, we know that the stress client process should not terminate (even
+  # if it does with a success exit code) and flag the termination as a failure
+  will_run_forever = env.get('WILL_RUN_FOREVER', '1')
 
   bq_helper = BigQueryHelper(run_id, image_type, pod_name, project_id,
                              dataset_id, summary_table_id, qps_table_id)
@@ -125,9 +136,8 @@ def run_client():
   # Update status that the test is starting (in the status table)
   bq_helper.insert_summary_row(EventType.STARTING, details)
 
-  metrics_cmd = [metrics_client_image
-                ] + [x for x in metrics_client_args_str.split()]
-  stress_cmd = [image_name] + [x for x in args_str.split()]
+  metrics_cmd = metrics_client_cmd + [x for x in metrics_client_args_str.split()]
+  stress_cmd = stress_client_cmd + [x for x in args_str.split()]
 
   print 'Launching process %s ...' % stress_cmd
   stress_p = subprocess.Popen(args=stress_cmd,
@@ -141,11 +151,12 @@ def run_client():
   while True:
     # Check if stress_client is still running. If so, collect metrics and upload
     # to BigQuery status table
+    # If stress_p.poll() is not None, it means that the stress client terminated
     if stress_p.poll() is not None:
       end_time = datetime.datetime.now().isoformat()
       event_type = EventType.SUCCESS
       details = 'End time: %s' % end_time
-      if stress_p.returncode != 0:
+      if will_run_forever == '1' or stress_p.returncode != 0:
         event_type = EventType.FAILURE
         details = 'Return code = %d. End time: %s' % (stress_p.returncode,
                                                       end_time)
diff --git a/tools/gcp/stress_test/run_node.sh b/tools/gcp/stress_test/run_node.sh
new file mode 100755
index 0000000000000000000000000000000000000000..4a4da6fc8b8e3c750890604c55c09698548d65f9
--- /dev/null
+++ b/tools/gcp/stress_test/run_node.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# This is a wrapper script that was created to help run_server.py and
+# run_client.py to launch 'node js' stress clients and stress servers
+source ~/.nvm/nvm.sh
+
+set -ex
+
+$@
diff --git a/tools/gcp/stress_test/run_server.py b/tools/gcp/stress_test/run_server.py
index 64322f61004f22349c95dc25a8f22105159a0b95..a666ae29001e9500bff2f02e32b17f39ee9fdcf3 100755
--- a/tools/gcp/stress_test/run_server.py
+++ b/tools/gcp/stress_test/run_server.py
@@ -30,6 +30,7 @@
 
 import datetime
 import os
+import resource
 import select
 import subprocess
 import sys
@@ -56,26 +57,36 @@ def run_server():
          might want to connect to the pod for examining logs). This is the
          reason why the script waits forever in case of failures.
   """
+  # Set the 'core file' size to 'unlimited' so that 'core' files are generated
+  # if the server crashes (Note: This is not relevant for Java and Go servers)
+  resource.setrlimit(resource.RLIMIT_CORE,
+                     (resource.RLIM_INFINITY, resource.RLIM_INFINITY))
 
   # Read the parameters from environment variables
   env = dict(os.environ)
 
   run_id = env['RUN_ID']  # The unique run id for this test
   image_type = env['STRESS_TEST_IMAGE_TYPE']
-  image_name = env['STRESS_TEST_IMAGE']
+  stress_server_cmd = env['STRESS_TEST_CMD'].split()
   args_str = env['STRESS_TEST_ARGS_STR']
   pod_name = env['POD_NAME']
   project_id = env['GCP_PROJECT_ID']
   dataset_id = env['DATASET_ID']
   summary_table_id = env['SUMMARY_TABLE_ID']
   qps_table_id = env['QPS_TABLE_ID']
+  # The following parameter is to inform us whether the server runs forever
+  # until forcefully stopped or will it naturally stop after sometime.
+  # This way, we know that the process should not terminate (even if it does
+  # with a success exit code) and flag any termination as a failure.
+  will_run_forever = env.get('WILL_RUN_FOREVER', '1')
 
   logfile_name = env.get('LOGFILE_NAME')
 
   print('pod_name: %s, project_id: %s, run_id: %s, dataset_id: %s, '
-        'summary_table_id: %s, qps_table_id: %s') % (
-            pod_name, project_id, run_id, dataset_id, summary_table_id,
-            qps_table_id)
+        'summary_table_id: %s, qps_table_id: %s') % (pod_name, project_id,
+                                                     run_id, dataset_id,
+                                                     summary_table_id,
+                                                     qps_table_id)
 
   bq_helper = BigQueryHelper(run_id, image_type, pod_name, project_id,
                              dataset_id, summary_table_id, qps_table_id)
@@ -98,7 +109,7 @@ def run_server():
   # Update status that the test is starting (in the status table)
   bq_helper.insert_summary_row(EventType.STARTING, details)
 
-  stress_cmd = [image_name] + [x for x in args_str.split()]
+  stress_cmd = stress_server_cmd + [x for x in args_str.split()]
 
   print 'Launching process %s ...' % stress_cmd
   stress_p = subprocess.Popen(args=stress_cmd,
@@ -106,7 +117,8 @@ def run_server():
                               stderr=subprocess.STDOUT)
 
   returncode = stress_p.wait()
-  if returncode != 0:
+
+  if will_run_forever == '1' or returncode != 0:
     end_time = datetime.datetime.now().isoformat()
     event_type = EventType.FAILURE
     details = 'Returncode: %d; End time: %s' % (returncode, end_time)
diff --git a/tools/gcp/stress_test/stress_test_utils.py b/tools/gcp/stress_test/stress_test_utils.py
index c4b437e3459daf0d5314f21ac26caf4d37095e6f..19d59c0df10fe580f978e5198e40a25943e704fc 100755
--- a/tools/gcp/stress_test/stress_test_utils.py
+++ b/tools/gcp/stress_test/stress_test_utils.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -103,16 +103,32 @@ class BigQueryHelper:
     return bq_utils.insert_rows(self.bq, self.project_id, self.dataset_id,
                                 self.qps_table_id, [row])
 
-  def check_if_any_tests_failed(self, num_query_retries=3):
+  def check_if_any_tests_failed(self, num_query_retries=3, timeout_msec=30000):
     query = ('SELECT event_type FROM %s.%s WHERE run_id = \'%s\' AND '
              'event_type="%s"') % (self.dataset_id, self.summary_table_id,
                                    self.run_id, EventType.FAILURE)
-    query_job = bq_utils.sync_query_job(self.bq, self.project_id, query)
-    page = self.bq.jobs().getQueryResults(**query_job['jobReference']).execute(
-        num_retries=num_query_retries)
-    num_failures = int(page['totalRows'])
-    print 'num rows: ', num_failures
-    return num_failures > 0
+    page = None
+    try:
+      query_job = bq_utils.sync_query_job(self.bq, self.project_id, query)
+      job_id = query_job['jobReference']['jobId']
+      project_id = query_job['jobReference']['projectId']
+      page = self.bq.jobs().getQueryResults(
+          projectId=project_id,
+          jobId=job_id,
+          timeoutMs=timeout_msec).execute(num_retries=num_query_retries)
+
+      if not page['jobComplete']:
+        print('TIMEOUT ERROR: The query %s timed out. Current timeout value is'
+              ' %d msec. Returning False (i.e assuming there are no failures)'
+             ) % (query, timeoout_msec)
+        return False
+
+      num_failures = int(page['totalRows'])
+      print 'num rows: ', num_failures
+      return num_failures > 0
+    except:
+      print 'Exception in check_if_any_tests_failed(). Info: ', sys.exc_info()
+      print 'Query: ', query
 
   def print_summary_records(self, num_query_retries=3):
     line = '-' * 120
@@ -126,8 +142,9 @@ class BigQueryHelper:
                  self.dataset_id, self.summary_table_id, self.run_id)
     query_job = bq_utils.sync_query_job(self.bq, self.project_id, query)
 
-    print '{:<25} {:<12} {:<12} {:<30} {}'.format(
-        'Pod name', 'Image type', 'Event type', 'Date', 'Details')
+    print '{:<25} {:<12} {:<12} {:<30} {}'.format('Pod name', 'Image type',
+                                                  'Event type', 'Date',
+                                                  'Details')
     print line
     page_token = None
     while True:
@@ -136,9 +153,11 @@ class BigQueryHelper:
           **query_job['jobReference']).execute(num_retries=num_query_retries)
       rows = page.get('rows', [])
       for row in rows:
-        print '{:<25} {:<12} {:<12} {:<30} {}'.format(
-            row['f'][0]['v'], row['f'][1]['v'], row['f'][2]['v'],
-            row['f'][3]['v'], row['f'][4]['v'])
+        print '{:<25} {:<12} {:<12} {:<30} {}'.format(row['f'][0]['v'],
+                                                      row['f'][1]['v'],
+                                                      row['f'][2]['v'],
+                                                      row['f'][3]['v'],
+                                                      row['f'][4]['v'])
       page_token = page.get('pageToken')
       if not page_token:
         break
diff --git a/tools/gcp/utils/big_query_utils.py b/tools/gcp/utils/big_query_utils.py
index 7bb1e143549154279e3e90b8b5d93871303ec0b6..9dbc69c5d669a70293125cf7aa223031de3464f4 100755
--- a/tools/gcp/utils/big_query_utils.py
+++ b/tools/gcp/utils/big_query_utils.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -71,16 +71,22 @@ def create_dataset(biq_query, project_id, dataset_id):
 
 def create_table(big_query, project_id, dataset_id, table_id, table_schema,
                  description):
+  fields = [{'name': field_name,
+             'type': field_type,
+             'description': field_description
+             } for (field_name, field_type, field_description) in table_schema]
+  return create_table2(big_query, project_id, dataset_id, table_id,
+                       fields, description)
+
+
+def create_table2(big_query, project_id, dataset_id, table_id, fields_schema,
+                 description):
   is_success = True
 
   body = {
       'description': description,
       'schema': {
-          'fields': [{
-              'name': field_name,
-              'type': field_type,
-              'description': field_description
-          } for (field_name, field_type, field_description) in table_schema]
+          'fields': fields_schema
       },
       'tableReference': {
           'datasetId': dataset_id,
@@ -112,12 +118,14 @@ def insert_rows(big_query, project_id, dataset_id, table_id, rows_list):
                                                  datasetId=dataset_id,
                                                  tableId=table_id,
                                                  body=body)
-    print body
     res = insert_req.execute(num_retries=NUM_RETRIES)
-    print res
+    if res.get('insertErrors', None):
+      print 'Error inserting rows! Response: %s' % res
+      is_success = False
   except HttpError as http_error:
-    print 'Error in inserting rows in the table %s' % table_id
+    print 'Error inserting rows to the table %s' % table_id
     is_success = False
+
   return is_success
 
 
diff --git a/tools/gcp/utils/kubernetes_api.py b/tools/gcp/utils/kubernetes_api.py
index e8ddd2f1b3502dff664f61a1933833d6fc271108..a8a4aad69b455342a7f1025ababbdd80b8dfb275 100755
--- a/tools/gcp/utils/kubernetes_api.py
+++ b/tools/gcp/utils/kubernetes_api.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/gource/gource.sh b/tools/gource/gource.sh
new file mode 100755
index 0000000000000000000000000000000000000000..0199609e9b2ce88ae4cef357d8cc54af3c078524
--- /dev/null
+++ b/tools/gource/gource.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+gource --multi-sampling -c 4 -s 0.1 --max-file-lag 0.05 --max-files 0 -e 0.05 --hide filenames,dirnames $*
+
diff --git a/tools/http2_interop/http2interop.go b/tools/http2_interop/http2interop.go
index 1276a71afc9849e790aa93e4bb9193f1cf04b639..fa113961f2a9df6ea5d360c4d6fee6c3cf2c27c5 100644
--- a/tools/http2_interop/http2interop.go
+++ b/tools/http2_interop/http2interop.go
@@ -150,7 +150,8 @@ func testUnknownFrameType(ctx *HTTP2InteropCtx) error {
 	}
 
 	// Write a bunch of invalid frame types.
-	for ft := ContinuationFrameType + 1; ft != 0; ft++ {
+	// Frame number 11 is the upcoming ALTSVC frame, and should not be tested.
+	for ft := ContinuationFrameType + 2; ft != 0; ft++ {
 		fh := &UnknownFrame{
 			Header: FrameHeader{
 				Type: ft,
diff --git a/tools/http2_interop/http2interop_test.go b/tools/http2_interop/http2interop_test.go
index fb314da1964a099a4d9c855339439148d3e3db69..305125f0c1127138c17d32226add4170b834c296 100644
--- a/tools/http2_interop/http2interop_test.go
+++ b/tools/http2_interop/http2interop_test.go
@@ -49,7 +49,7 @@ func InteropCtx(t *testing.T) *HTTP2InteropCtx {
 
 	if ctx.UseTestCa {
 		// It would be odd if useTestCa was true, but not useTls.  meh
-		certData, err := ioutil.ReadFile("src/core/tsi/test_creds/ca.pem")
+		certData, err := ioutil.ReadFile("src/core/lib/tsi/test_creds/ca.pem")
 		if err != nil {
 			t.Fatal(err)
 		}
diff --git a/tools/jenkins/build_docker_and_run_tests.sh b/tools/jenkins/build_docker_and_run_tests.sh
index 458e8ca0c70b0dfa9e3f4d77e58d22b923e1e2e9..5779e63db9741040d89113fa1f417c2e2f664110 100755
--- a/tools/jenkins/build_docker_and_run_tests.sh
+++ b/tools/jenkins/build_docker_and_run_tests.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/jenkins/build_interop_image.sh b/tools/jenkins/build_interop_image.sh
index 28d5f31d4f2b668d9c4c01f4ea7d5901fd329f0d..26687a5a855949211c65388544425a92242a9924 100755
--- a/tools/jenkins/build_interop_image.sh
+++ b/tools/jenkins/build_interop_image.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/jenkins/build_interop_stress_image.sh b/tools/jenkins/build_interop_stress_image.sh
index 501dc5b7ca4a41ff801c5bf6550426b652adb8e2..31ffa752ab534b35d3a216681a7da4082f17fc3b 100755
--- a/tools/jenkins/build_interop_stress_image.sh
+++ b/tools/jenkins/build_interop_stress_image.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -34,10 +34,12 @@
 set -x
 
 # Params:
-#  INTEROP_IMAGE - name of tag of the final interop image
-#  INTEROP_IMAGE_TAG - Optional. If set, the created image will be tagged using
+#  INTEROP_IMAGE - Name of tag of the final interop image
+#  INTEROP_IMAGE_REPOSITORY_TAG - Optional. If set, the created image will be tagged using
 #    the command: 'docker tag $INTEROP_IMAGE $INTEROP_IMAGE_REPOSITORY_TAG'
-#  BASE_NAME - base name used to locate the base Dockerfile and build script
+#  BASE_NAME - Base name used to locate the base Dockerfile and build script
+#  BUILD_TYPE - The 'CONFIG' variable passed to the 'make' command (example:
+#  asan, tsan. Default value: opt).
 #  TTY_FLAG - optional -t flag to make docker allocate tty
 #  BUILD_INTEROP_DOCKER_EXTRA_ARGS - optional args to be passed to the
 #    docker run command
@@ -46,6 +48,22 @@ cd `dirname $0`/../..
 GRPC_ROOT=`pwd`
 MOUNT_ARGS="-v $GRPC_ROOT:/var/local/jenkins/grpc:ro"
 
+GRPC_JAVA_ROOT=`cd ../grpc-java && pwd`
+if [ "$GRPC_JAVA_ROOT" != "" ]
+then
+  MOUNT_ARGS+=" -v $GRPC_JAVA_ROOT:/var/local/jenkins/grpc-java:ro"
+else
+  echo "WARNING: grpc-java not found, it won't be mounted to the docker container."
+fi
+
+GRPC_GO_ROOT=`cd ../grpc-go && pwd`
+if [ "$GRPC_GO_ROOT" != "" ]
+then
+  MOUNT_ARGS+=" -v $GRPC_GO_ROOT:/var/local/jenkins/grpc-go:ro"
+else
+  echo "WARNING: grpc-go not found, it won't be mounted to the docker container."
+fi
+
 mkdir -p /tmp/ccache
 
 # Mount service account dir if available.
@@ -57,10 +75,10 @@ then
 fi
 
 # Use image name based on Dockerfile checksum
-BASE_IMAGE=${BASE_NAME}_base:`sha1sum tools/dockerfile/$BASE_NAME/Dockerfile | cut -f1 -d\ `
+BASE_IMAGE=${BASE_NAME}_base:`sha1sum tools/dockerfile/stress_test/$BASE_NAME/Dockerfile | cut -f1 -d\ `
 
 # Make sure base docker image has been built. Should be instantaneous if so.
-docker build -t $BASE_IMAGE --force-rm=true tools/dockerfile/$BASE_NAME || exit $?
+docker build -t $BASE_IMAGE --force-rm=true tools/dockerfile/stress_test/$BASE_NAME || exit $?
 
 # Create a local branch so the child Docker script won't complain
 git branch -f jenkins-docker
@@ -71,13 +89,14 @@ CONTAINER_NAME="build_${BASE_NAME}_$(uuidgen)"
 (docker run \
   -e CCACHE_DIR=/tmp/ccache \
   -e THIS_IS_REALLY_NEEDED='see https://github.com/docker/docker/issues/14203 for why docker is awful' \
+  -e BUILD_TYPE=${BUILD_TYPE:=opt} \
   -i $TTY_FLAG \
   $MOUNT_ARGS \
   $BUILD_INTEROP_DOCKER_EXTRA_ARGS \
   -v /tmp/ccache:/tmp/ccache \
   --name=$CONTAINER_NAME \
   $BASE_IMAGE \
-  bash -l /var/local/jenkins/grpc/tools/dockerfile/$BASE_NAME/build_interop_stress.sh \
+  bash -l /var/local/jenkins/grpc/tools/dockerfile/stress_test/$BASE_NAME/build_interop_stress.sh \
   && docker commit $CONTAINER_NAME $INTEROP_IMAGE \
   && ( if [ -n "$INTEROP_IMAGE_REPOSITORY_TAG" ]; then docker tag -f $INTEROP_IMAGE $INTEROP_IMAGE_REPOSITORY_TAG ; fi ) \
   && echo "Successfully built image $INTEROP_IMAGE")
diff --git a/tools/jenkins/docker_run_tests.sh b/tools/jenkins/docker_run_tests.sh
index 8d6c42cd9bf4710524eb025456b455a8892c2c67..2fc66c21f56d3ec2c65141c86849f8dbdd9ad92a 100755
--- a/tools/jenkins/docker_run_tests.sh
+++ b/tools/jenkins/docker_run_tests.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -34,7 +34,7 @@
 set -e
 
 export CONFIG=$config
-export ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer-3.5
+export ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer
 
 # Ensure that programs depending on current-user-ownership of cache directories
 # are satisfied (it's being mounted from outside the image).
diff --git a/tools/jenkins/run_distribution.sh b/tools/jenkins/run_distribution.sh
index 446ce16703e8584980ec3db33db5feed327552fc..306b85b045c8eda4474c4b905d4d9ae8ae7db32c 100755
--- a/tools/jenkins/run_distribution.sh
+++ b/tools/jenkins/run_distribution.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/jenkins/run_fuzzer.sh b/tools/jenkins/run_fuzzer.sh
new file mode 100755
index 0000000000000000000000000000000000000000..3f25a93319dceef55013be43d586c78183c0810e
--- /dev/null
+++ b/tools/jenkins/run_fuzzer.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Builds and runs a fuzzer (specified by the first command line argument)
+
+set -ex
+
+export RUN_COMMAND="tools/fuzzer/build_and_run_fuzzer.sh $1"
+export DOCKER_RUN_SCRIPT=tools/jenkins/docker_run.sh
+export DOCKERFILE_DIR=tools/dockerfile/test/fuzzer
+export OUTPUT_DIR=fuzzer_output
+
+runtime=${runtime:-3600}
+jobs=${jobs:-3}
+
+tools/jenkins/build_and_run_docker.sh \
+  -e RUN_COMMAND="$RUN_COMMAND" \
+  -e OUTPUT_DIR="$OUTPUT_DIR" \
+  -e config="$config" \
+  -e runtime="$runtime" \
+  -e jobs="$jobs"
diff --git a/tools/jenkins/run_interop_stress.sh b/tools/jenkins/run_interop_stress.sh
index 8166f34e0558550d759c5263bcea91282db83caf..22d81db8bcdf217f0f65371301c6e0faae710518 100755
--- a/tools/jenkins/run_interop_stress.sh
+++ b/tools/jenkins/run_interop_stress.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/jenkins/run_jenkins.sh b/tools/jenkins/run_jenkins.sh
index da6ca698095dff0e06b25bdb41b7dd669dcc29e4..7a6dfe3577faa6592fe5385e35bbbe6fe80ba608 100755
--- a/tools/jenkins/run_jenkins.sh
+++ b/tools/jenkins/run_jenkins.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/jenkins/run_performance.sh b/tools/jenkins/run_performance.sh
index fbc078330f72daf57a7e4e301488972ed4cfb0c4..903a14421512889660e17c16941ad93a1d65894b 100755
--- a/tools/jenkins/run_performance.sh
+++ b/tools/jenkins/run_performance.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -34,103 +34,4 @@ set -ex
 # Enter the gRPC repo root
 cd $(dirname $0)/../..
 
-[[ $* =~ '--latency_profile' ]] \
-	&& tools/profiling/latency_profile/run_latency_profile.sh \
-	|| true
-
-config=opt
-
-make CONFIG=$config qps_worker qps_driver -j8
-
-bins/$config/qps_worker -driver_port 10000 &
-PID1=$!
-bins/$config/qps_worker -driver_port 10010 &
-PID2=$!
-
-#
-# Put a timeout on these tests
-#
-((sleep 900; kill $$ && killall qps_worker && rm -f /tmp/qps-test.$$ )&)
-
-export QPS_WORKERS="localhost:10000,localhost:10010"
-
-# big is the size in bytes of large messages (0 is the size otherwise)
-big=65536
-
-# wide is the number of client channels in multi-channel tests (1 otherwise)
-wide=64
-
-# deep is the number of RPCs outstanding on a channel in non-ping-pong tests
-# (the value used is 1 otherwise)
-deep=100
-
-#
-# Get total core count
-cores=`grep -c ^processor /proc/cpuinfo`
-halfcores=`expr $cores / 2`
-
-for secure in true false; do
-  # Scenario 1: generic async streaming ping-pong (contentionless latency)
-  bins/$config/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=1 \
-    --client_channels=1 --bbuf_req_size=0 --bbuf_resp_size=0 \
-    --async_client_threads=1 --async_server_threads=1 --secure_test=$secure \
-    --num_servers=1 --num_clients=1 \
-    --server_core_limit=$halfcores --client_core_limit=0
-
-  # Scenario 2: generic async streaming "unconstrained" (QPS)
-  bins/$config/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
-    --client_channels=$wide --bbuf_req_size=0 --bbuf_resp_size=0 \
-    --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
-    --num_servers=1 --num_clients=0 \
-    --server_core_limit=$halfcores --client_core_limit=0 |& tee /tmp/qps-test.$$
-
-  # Scenario 2b: QPS with a single server core
-  bins/$config/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
-    --client_channels=$wide --bbuf_req_size=0 --bbuf_resp_size=0 \
-    --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
-    --num_servers=1 --num_clients=0 --server_core_limit=1 --client_core_limit=0
-
-  # Scenario 2c: protobuf-based QPS
-  bins/$config/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_SERVER --outstanding_rpcs_per_channel=$deep \
-    --client_channels=$wide --simple_req_size=0 --simple_resp_size=0 \
-    --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
-    --num_servers=1 --num_clients=0 \
-    --server_core_limit=$halfcores --client_core_limit=0
-
-  # Scenario 3: Latency at sub-peak load (all clients equally loaded)
-  for loadfactor in 0.7; do
-    bins/$config/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-      --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
-      --client_channels=$wide --bbuf_req_size=0 --bbuf_resp_size=0 \
-      --async_client_threads=0 --async_server_threads=0 --secure_test=$secure \
-      --num_servers=1 --num_clients=0 --poisson_load=`awk -v lf=$loadfactor \
-      '$5 == "QPS:" {print int(lf * $6); exit}' /tmp/qps-test.$$` \
-      --server_core_limit=$halfcores --client_core_limit=0
-  done
-
-  rm /tmp/qps-test.$$
-
-  # Scenario 4: Single-channel bidirectional throughput test (like TCP_STREAM).
-  bins/$config/qps_driver --rpc_type=STREAMING --client_type=ASYNC_CLIENT \
-    --server_type=ASYNC_GENERIC_SERVER --outstanding_rpcs_per_channel=$deep \
-    --client_channels=1 --bbuf_req_size=$big --bbuf_resp_size=$big \
-    --async_client_threads=1 --async_server_threads=1 --secure_test=$secure \
-    --num_servers=1 --num_clients=1 \
-    --server_core_limit=$halfcores --client_core_limit=0
-
-  # Scenario 5: Sync unary ping-pong with protobufs
-  bins/$config/qps_driver --rpc_type=UNARY --client_type=SYNC_CLIENT \
-    --server_type=SYNC_SERVER --outstanding_rpcs_per_channel=1 \
-    --client_channels=1 --simple_req_size=0 --simple_resp_size=0 \
-    --secure_test=$secure --num_servers=1 --num_clients=1 \
-    --server_core_limit=$halfcores --client_core_limit=0
-
-done
-
-bins/$config/qps_driver --quit=true
-
-wait
+tools/run_tests/run_performance_tests.py -l c++ node ruby csharp
diff --git a/tools/jenkins/run_portability.sh b/tools/jenkins/run_portability.sh
index 6f15da73f4306628e335f4f30bce18e3d0119e31..18d34cc870acaeca93373158d8d0dbfb7da8f613 100755
--- a/tools/jenkins/run_portability.sh
+++ b/tools/jenkins/run_portability.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/openssl/use_openssl.sh b/tools/openssl/use_openssl.sh
index 3098217ec1b54a4cf2f677994fedcf03730b052d..09d86767ec083253f74e08f52f8746ccb50b94dc 100755
--- a/tools/openssl/use_openssl.sh
+++ b/tools/openssl/use_openssl.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -38,8 +38,8 @@ CC=${CC:-cc}
 # allow openssl to be pre-downloaded
 if [ ! -e third_party/openssl-1.0.2f.tar.gz ]
 then
-  echo "Downloading http://openssl.org/source/openssl-1.0.2f.tar.gz to third_party/openssl-1.0.2f.tar.gz"
-  wget http://openssl.org/source/openssl-1.0.2f.tar.gz -O third_party/openssl-1.0.2f.tar.gz
+  echo "Downloading https://openssl.org/source/old/1.0.2/openssl-1.0.2f.tar.gz to third_party/openssl-1.0.2f.tar.gz"
+  wget https://openssl.org/source/old/1.0.2/openssl-1.0.2f.tar.gz -O third_party/openssl-1.0.2f.tar.gz
 fi
 
 # clean openssl directory
diff --git a/tools/run_tests/build_artifact_node.sh b/tools/run_tests/build_artifact_node.sh
index 6aa482453835b7af8556154f6db9be253ee7dacf..ef3476a03817b46a099a4547a4d5bb2a0020ffc2 100755
--- a/tools/run_tests/build_artifact_node.sh
+++ b/tools/run_tests/build_artifact_node.sh
@@ -30,9 +30,9 @@
 
 NODE_TARGET_ARCH=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use 4
+set -ex
 
 cd $(dirname $0)/../..
 
diff --git a/tools/run_tests/build_artifact_python.sh b/tools/run_tests/build_artifact_python.sh
index 7ba04d75463f3ef0dc26da70e759bf0bec60fcf2..1f23f9fade880b11152dc5f0da526577fa040869 100755
--- a/tools/run_tests/build_artifact_python.sh
+++ b/tools/run_tests/build_artifact_python.sh
@@ -35,15 +35,18 @@ cd $(dirname $0)/../..
 if [ "$SKIP_PIP_INSTALL" == "" ]
 then
   pip install --upgrade six
-  pip install --upgrade setuptools
+  # There's a bug in newer versions of setuptools (see
+  # https://bitbucket.org/pypa/setuptools/issues/503/pkg_resources_vendorpackagingrequirementsi)
+  pip install --upgrade 'setuptools==18'
   pip install -rrequirements.txt
 fi
 
+export GRPC_PYTHON_USE_CUSTOM_BDIST=0
+export GRPC_PYTHON_BUILD_WITH_CYTHON=1
+
 # Build the source distribution first because MANIFEST.in cannot override
 # exclusion of built shared objects among package resources (for some
 # inexplicable reason).
-GRPC_PYTHON_USE_CUSTOM_BDIST=0  \
-GRPC_PYTHON_BUILD_WITH_CYTHON=1 \
 ${SETARCH_CMD} python setup.py  \
     sdist
 
@@ -51,15 +54,11 @@ ${SETARCH_CMD} python setup.py  \
 # and thus ought to be run in a shell command separate of others. Further, it
 # trashes the actual bdist_wheel output, so it should be run first so that
 # bdist_wheel may be run unmolested.
-GRPC_PYTHON_USE_CUSTOM_BDIST=0  \
-GRPC_PYTHON_BUILD_WITH_CYTHON=1 \
 ${SETARCH_CMD} python setup.py  \
     build_tagged_ext
 
 # Wheel has a bug where directories don't get excluded.
 # https://bitbucket.org/pypa/wheel/issues/99/cannot-exclude-directory
-GRPC_PYTHON_USE_CUSTOM_BDIST=0  \
-GRPC_PYTHON_BUILD_WITH_CYTHON=1 \
 ${SETARCH_CMD} python setup.py  \
     bdist_wheel
 
diff --git a/tools/run_tests/build_csharp.sh b/tools/run_tests/build_csharp.sh
index aadd11e205432052620c72c4d95c62c68214b328..48ce11a10b7b6ed619eef4d1fa18697e70d7bb7b 100755
--- a/tools/run_tests/build_csharp.sh
+++ b/tools/run_tests/build_csharp.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/build_node.sh b/tools/run_tests/build_node.sh
index 9c4af071856d82b646dfcd2a7ce7338ec1596def..d9292fd8aa2d61407e5a3e6ab47bbcfe34198447 100755
--- a/tools/run_tests/build_node.sh
+++ b/tools/run_tests/build_node.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -31,9 +31,9 @@
 
 NODE_VERSION=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use $NODE_VERSION
+set -ex
 
 CONFIG=${CONFIG:-opt}
 
diff --git a/tools/run_tests/build_package_node.sh b/tools/run_tests/build_package_node.sh
index aca90a3750004c95e81163194170ddc0c7795a28..540c8263117384e6802e7aebdfed13aad5d44acd 100755
--- a/tools/run_tests/build_package_node.sh
+++ b/tools/run_tests/build_package_node.sh
@@ -29,9 +29,9 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use 4
+set -ex
 
 cd $(dirname $0)/../..
 
diff --git a/tools/run_tests/build_php.sh b/tools/run_tests/build_php.sh
index 0f9cfe5e3afa4d1332d88dfafdcc852452f052b5..77a8abcfe70fac742674860346f34757b3de6a00 100755
--- a/tools/run_tests/build_php.sh
+++ b/tools/run_tests/build_php.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/build_python.sh b/tools/run_tests/build_python.sh
index 79a148faf1bfcf215330e2f42519a365de46d95b..30d121007fb460ef9dcbf2433401d115f3c21cec 100755
--- a/tools/run_tests/build_python.sh
+++ b/tools/run_tests/build_python.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -40,6 +40,7 @@ export PATH=$ROOT/bins/$CONFIG:$ROOT/bins/$CONFIG/protobuf:$PATH
 export CFLAGS="-I$ROOT/include -std=gnu99"
 export LDFLAGS="-L$ROOT/libs/$CONFIG"
 export GRPC_PYTHON_BUILD_WITH_CYTHON=1
+export GRPC_PYTHON_USE_PRECOMPILED_BINARIES=0
 
 if [ "$CONFIG" = "gcov" ]
 then
diff --git a/tools/run_tests/build_ruby.sh b/tools/run_tests/build_ruby.sh
index ebd27f6a6c2f2fae8174bb048b7b053d923b6d67..10343fce6963f9223cf683c89c82f16349fa14ee 100755
--- a/tools/run_tests/build_ruby.sh
+++ b/tools/run_tests/build_ruby.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/configs.json b/tools/run_tests/configs.json
index a858170d87ac2c8c99b2da5d7713120d01d42662..325e9aa92957ce5463140776ac3281dbb19605f4 100644
--- a/tools/run_tests/configs.json
+++ b/tools/run_tests/configs.json
@@ -2,6 +2,14 @@
   {
     "config": "opt"
   }, 
+  {
+    "config": "asan-trace-cmp", 
+    "environ": {
+      "ASAN_OPTIONS": "detect_leaks=1:color=always", 
+      "LSAN_OPTIONS": "suppressions=tools/lsan_suppressions.txt:report_objects=1"
+    }, 
+    "timeout_multiplier": 3
+  }, 
   {
     "config": "dbg"
   }, 
diff --git a/tools/run_tests/jobset.py b/tools/run_tests/jobset.py
index a3b246dc084b295d17742d1e2b81d6caa4070a46..e9675fb785bd5a71afe210193df63c3799f515c8 100755
--- a/tools/run_tests/jobset.py
+++ b/tools/run_tests/jobset.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -151,7 +151,8 @@ class JobSpec(object):
 
   def __init__(self, cmdline, shortname=None, environ=None, hash_targets=None,
                cwd=None, shell=False, timeout_seconds=5*60, flake_retries=0,
-               timeout_retries=0, kill_handler=None, cpu_cost=1.0):
+               timeout_retries=0, kill_handler=None, cpu_cost=1.0,
+               verbose_success=False):
     """
     Arguments:
       cmdline: a list of arguments to pass as the command line
@@ -176,6 +177,7 @@ class JobSpec(object):
     self.timeout_retries = timeout_retries
     self.kill_handler = kill_handler
     self.cpu_cost = cpu_cost
+    self.verbose_success = verbose_success
 
   def identity(self):
     return '%r %r %r' % (self.cmdline, self.environ, self.hash_targets)
@@ -287,7 +289,8 @@ class Job(object):
             cores = (user + sys) / real
             measurement = '; cpu_cost=%.01f; estimated=%.01f' % (cores, self._spec.cpu_cost)
         message('PASSED', '%s [time=%.1fsec; retries=%d:%d%s]' % (
-                    self._spec.shortname, elapsed, self._retries, self._timeout_retries, measurement),
+            self._spec.shortname, elapsed, self._retries, self._timeout_retries, measurement),
+            stdout() if self._spec.verbose_success else None,
             do_newline=self._newline_on_success or self._travis)
         self.result.state = 'PASSED'
         if self._bin_hash:
diff --git a/tools/run_tests/performance/__init__.py b/tools/run_tests/performance/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..100a624dc9c1bbd89708c58e18cf2666a73f4cc7
--- /dev/null
+++ b/tools/run_tests/performance/__init__.py
@@ -0,0 +1,28 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/tools/run_tests/performance/bq_upload_result.py b/tools/run_tests/performance/bq_upload_result.py
new file mode 100755
index 0000000000000000000000000000000000000000..ebd28f75918c480816a66f9e938aa3fb072b41f7
--- /dev/null
+++ b/tools/run_tests/performance/bq_upload_result.py
@@ -0,0 +1,135 @@
+#!/usr/bin/env python2.7
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Uploads performance benchmark result file to bigquery.
+
+import argparse
+import calendar
+import json
+import os
+import sys
+import time
+import uuid
+
+
+gcp_utils_dir = os.path.abspath(os.path.join(
+    os.path.dirname(__file__), '../../gcp/utils'))
+sys.path.append(gcp_utils_dir)
+import big_query_utils
+
+
+_PROJECT_ID='grpc-testing'
+
+
+def _upload_scenario_result_to_bigquery(dataset_id, table_id, result_file):
+  bq = big_query_utils.create_big_query()
+  _create_results_table(bq, dataset_id, table_id)
+
+  with open(result_file, 'r') as f:
+    scenario_result = json.loads(f.read())
+
+  if not _insert_result(bq, dataset_id, table_id, scenario_result):
+    print 'Error uploading result to bigquery.'
+    sys.exit(1)
+
+
+def _insert_result(bq, dataset_id, table_id, scenario_result):
+  _flatten_result_inplace(scenario_result)
+  _populate_metadata_inplace(scenario_result)
+  row = big_query_utils.make_row(str(uuid.uuid4()), scenario_result)
+  return big_query_utils.insert_rows(bq,
+                                     _PROJECT_ID,
+                                     dataset_id,
+                                     table_id,
+                                     [row])
+
+
+def _create_results_table(bq, dataset_id, table_id):
+  with open(os.path.dirname(__file__) + '/scenario_result_schema.json', 'r') as f:
+    table_schema = json.loads(f.read())
+  desc = 'Results of performance benchmarks.'
+  return big_query_utils.create_table2(bq, _PROJECT_ID, dataset_id,
+                               table_id, table_schema, desc)
+
+
+def _flatten_result_inplace(scenario_result):
+  """Bigquery is not really great for handling deeply nested data
+  and repeated fields. To maintain values of some fields while keeping
+  the schema relatively simple, we artificially leave some of the fields
+  as JSON strings.
+  """
+  scenario_result['scenario']['clientConfig'] = json.dumps(scenario_result['scenario']['clientConfig'])
+  scenario_result['scenario']['serverConfig'] = json.dumps(scenario_result['scenario']['serverConfig'])
+  scenario_result['latencies'] = json.dumps(scenario_result['latencies'])
+  for stats in scenario_result['clientStats']:
+    stats['latencies'] = json.dumps(stats['latencies'])
+  scenario_result['serverCores'] = json.dumps(scenario_result['serverCores'])
+
+
+def _populate_metadata_inplace(scenario_result):
+  """Populates metadata based on environment variables set by Jenkins."""
+  # NOTE: Grabbing the Jenkins environment variables will only work if the
+  # driver is running locally on the same machine where Jenkins has started
+  # the job. For our setup, this is currently the case, so just assume that.
+  build_number = os.getenv('BUILD_NUMBER')
+  build_url = os.getenv('BUILD_URL')
+  job_name = os.getenv('JOB_NAME')
+  git_commit = os.getenv('GIT_COMMIT')
+  # actual commit is the actual head of PR that is getting tested
+  git_actual_commit = os.getenv('ghprbActualCommit')
+
+  utc_timestamp = str(calendar.timegm(time.gmtime()))
+  metadata = {'created': utc_timestamp}
+
+  if build_number:
+    metadata['buildNumber'] = build_number
+  if build_url:
+    metadata['buildUrl'] = build_url
+  if job_name:
+    metadata['jobName'] = job_name
+  if git_commit:
+    metadata['gitCommit'] = git_commit
+  if git_actual_commit:
+    metadata['gitActualCommit'] = git_actual_commit
+
+  scenario_result['metadata'] = metadata
+
+
+argp = argparse.ArgumentParser(description='Upload result to big query.')
+argp.add_argument('--bq_result_table', required=True, default=None, type=str,
+                  help='Bigquery "dataset.table" to upload results to.')
+argp.add_argument('--file_to_upload', default='scenario_result.json', type=str,
+                  help='Report file to upload.')
+
+args = argp.parse_args()
+
+dataset_id, table_id = args.bq_result_table.split('.', 2)
+_upload_scenario_result_to_bigquery(dataset_id, table_id, args.file_to_upload)
+print 'Successfully uploaded %s to BigQuery.\n' % args.file_to_upload
diff --git a/tools/run_tests/run_csharp.sh b/tools/run_tests/performance/build_performance.sh
similarity index 66%
rename from tools/run_tests/run_csharp.sh
rename to tools/run_tests/performance/build_performance.sh
index 10f1c28521808a3d242ac268fa41dd045f2d0897..8cfe1c48e99e0ee9f3edbbaf5c09192444c7f096 100755
--- a/tools/run_tests/run_csharp.sh
+++ b/tools/run_tests/performance/build_performance.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -28,25 +28,33 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+source ~/.rvm/scripts/rvm
 set -ex
 
-CONFIG=${CONFIG:-opt}
-NUNIT_CONSOLE="mono packages/NUnit.Runners.2.6.4/tools/nunit-console.exe"
-
-# change to gRPC repo root
-cd $(dirname $0)/../..
+cd $(dirname $0)/../../..
 
-(cd src/csharp; $NUNIT_CONSOLE $@)
+#TODO(jtattermusch): add support for more languages
 
-if [ "$CONFIG" = "gcov" ]
-then
-  # Generate the csharp extension coverage report
-  gcov objs/gcov/src/csharp/ext/*.o
-  lcov --base-directory . --directory . -c -o coverage.info
-  lcov -e coverage.info '**/src/csharp/ext/*' -o coverage.info
-  genhtml -o reports/csharp_ext_coverage --num-spaces 2 \
-    -t 'gRPC C# native extension test coverage' coverage.info \
-    --rc genhtml_hi_limit=95 --rc genhtml_med_limit=80 --no-prefix
-fi
+CONFIG=${CONFIG:-opt}
 
+# build C++ qps worker & driver always - we need at least the driver to
+# run any of the scenarios.
+# TODO(jtattermusch): not embedding OpenSSL breaks the C# build because
+# grpc_csharp_ext needs OpenSSL embedded and some intermediate files from
+# this build will be reused.
+make CONFIG=${CONFIG} EMBED_OPENSSL=true EMBED_ZLIB=true qps_worker qps_json_driver -j8
 
+for language in $@
+do
+  case "$language" in
+  "c++")
+    ;;  # C++ has already been built.
+  "java")
+    (cd ../grpc-java/ &&
+      ./gradlew -PskipCodegen=true :grpc-benchmarks:installDist)
+    ;;
+  *)
+    tools/run_tests/run_tests.py -l $language -c $CONFIG --build_only -j 8
+    ;;
+  esac
+done
diff --git a/tools/run_tests/performance/remote_host_build.sh b/tools/run_tests/performance/remote_host_build.sh
new file mode 100755
index 0000000000000000000000000000000000000000..b8886080a5cd983a41883251ae61bbfbf2c658d7
--- /dev/null
+++ b/tools/run_tests/performance/remote_host_build.sh
@@ -0,0 +1,36 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+cd $(dirname $0)/../../..
+
+# execute the build script remotely
+ssh "${USER_AT_HOST}" "CONFIG=${CONFIG} ~/performance_workspace/grpc/tools/run_tests/performance/build_performance.sh $*"
diff --git a/tools/run_tests/performance/remote_host_prepare.sh b/tools/run_tests/performance/remote_host_prepare.sh
new file mode 100755
index 0000000000000000000000000000000000000000..17cfa1a59981f295b3ca7a535e4c773cdab85058
--- /dev/null
+++ b/tools/run_tests/performance/remote_host_prepare.sh
@@ -0,0 +1,50 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+cd $(dirname $0)/../../..
+
+# cleanup after previous builds
+ssh "${USER_AT_HOST}" "rm -rf ~/performance_workspace && mkdir -p ~/performance_workspace"
+
+# TODO(jtattermusch): To be sure there are no running processes that would
+# mess with the results, be rough and reboot the slave here
+# and wait for it to come back online.
+# could also kill jenkins.
+ssh "${USER_AT_HOST}" "killall -9 qps_worker mono node ruby || true"
+
+# Kill all java LoadWorker processes. We can't just killall java
+# as one of the processes might be jenkins.
+ssh "${USER_AT_HOST}" 'kill -9 $(jps | grep LoadWorker | cut -f1 -d" ") || true'
+
+# push the current sources to the slave and unpack it.
+scp ../grpc.tar "${USER_AT_HOST}:~/performance_workspace"
+ssh "${USER_AT_HOST}" "tar -xf ~/performance_workspace/grpc.tar -C ~/performance_workspace"
diff --git a/tools/run_tests/performance/run_qps_driver.sh b/tools/run_tests/performance/run_qps_driver.sh
new file mode 100755
index 0000000000000000000000000000000000000000..c8c6890df9dd351c05d8815169d804de6039c905
--- /dev/null
+++ b/tools/run_tests/performance/run_qps_driver.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+cd $(dirname $0)/../../..
+
+bins/opt/qps_json_driver "$@"
+
+if [ "$BQ_RESULT_TABLE" != "" ]
+then
+  tools/run_tests/performance/bq_upload_result.py --bq_result_table="$BQ_RESULT_TABLE"
+fi
diff --git a/tools/run_tests/performance/run_worker_csharp.sh b/tools/run_tests/performance/run_worker_csharp.sh
new file mode 100755
index 0000000000000000000000000000000000000000..b91df09b4272583b6fe759243a3ca5fed53a4872
--- /dev/null
+++ b/tools/run_tests/performance/run_worker_csharp.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+cd $(dirname $0)/../../..
+
+# needed to correctly locate testca
+cd src/csharp/Grpc.IntegrationTesting.QpsWorker/bin/Release
+
+mono Grpc.IntegrationTesting.QpsWorker.exe $@
diff --git a/test/cpp/qps/single_run_localhost.sh b/tools/run_tests/performance/run_worker_java.sh
similarity index 77%
rename from test/cpp/qps/single_run_localhost.sh
rename to tools/run_tests/performance/run_worker_java.sh
index f5356f18343efc0447d82d23d73d415c52cb01df..d5503a18a4e3a42e5ddb5ca7696d765148050af1 100755
--- a/test/cpp/qps/single_run_localhost.sh
+++ b/tools/run_tests/performance/run_worker_java.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Copyright 2015, Google Inc.
 # All rights reserved.
 #
@@ -28,29 +28,12 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# performs a single qps run with one client and one server
-
 set -ex
 
+# Enter repo root
 cd $(dirname $0)/../../..
 
-killall qps_worker || true
-
-config=opt
-
-NUMCPUS=`python2.7 -c 'import multiprocessing; print multiprocessing.cpu_count()'`
-
-make CONFIG=$config qps_worker qps_driver -j$NUMCPUS
-
-bins/$config/qps_worker -driver_port 10000 &
-PID1=$!
-bins/$config/qps_worker -driver_port 10010 &
-PID2=$!
-
-export QPS_WORKERS="localhost:10000,localhost:10010"
-
-bins/$config/qps_driver $*
-
-kill -2 $PID1 $PID2
-wait
+# Enter the grpc-java repo root (expected to be next to grpc repo root)
+cd ../grpc-java
 
+benchmarks/build/install/grpc-benchmarks/bin/benchmark_worker $@
diff --git a/src/ruby/bin/grpc_ruby_interop_server b/tools/run_tests/performance/run_worker_node.sh
similarity index 92%
rename from src/ruby/bin/grpc_ruby_interop_server
rename to tools/run_tests/performance/run_worker_node.sh
index 656a5f7c998cc8c7be38407d007a9a02ad65a649..46b6ff0177412c4559f8c31cd22386937dc6cbde 100755
--- a/src/ruby/bin/grpc_ruby_interop_server
+++ b/tools/run_tests/performance/run_worker_node.sh
@@ -1,5 +1,4 @@
-#!/usr/bin/env ruby
-
+#!/bin/bash
 # Copyright 2015, Google Inc.
 # All rights reserved.
 #
@@ -29,5 +28,11 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# Provides a gem binary entry point for the interop server
-require 'test/server'
+source ~/.nvm/nvm.sh
+nvm use 0.12
+
+set -ex
+
+cd $(dirname $0)/../../..
+
+node src/node/performance/worker.js $@
diff --git a/src/ruby/bin/grpc_ruby_interop_client b/tools/run_tests/performance/run_worker_ruby.sh
similarity index 93%
rename from src/ruby/bin/grpc_ruby_interop_client
rename to tools/run_tests/performance/run_worker_ruby.sh
index e79fd33aa5011146969618b648f7c4a455f0fe5b..43187345bce631eb6fc160715b4e8115002052d5 100755
--- a/src/ruby/bin/grpc_ruby_interop_client
+++ b/tools/run_tests/performance/run_worker_ruby.sh
@@ -1,5 +1,4 @@
-#!/usr/bin/env ruby
-
+#!/bin/bash
 # Copyright 2015, Google Inc.
 # All rights reserved.
 #
@@ -29,5 +28,9 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# Provides a gem binary entry point for the interop client.
-require 'test/client'
+source ~/.rvm/scripts/rvm
+set -ex
+
+cd $(dirname $0)/../../..
+
+ruby src/ruby/qps/worker.rb $@
diff --git a/tools/run_tests/performance/scenario_config.py b/tools/run_tests/performance/scenario_config.py
new file mode 100644
index 0000000000000000000000000000000000000000..55657f8d8a2dcd57da8105cda87fe40b0fb12c21
--- /dev/null
+++ b/tools/run_tests/performance/scenario_config.py
@@ -0,0 +1,565 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# performance scenario configuration for various languages
+
+SINGLE_MACHINE_CORES=8
+WARMUP_SECONDS=5
+JAVA_WARMUP_SECONDS=15  # Java needs more warmup time for JIT to kick in.
+BENCHMARK_SECONDS=30
+
+SECURE_SECARGS = {'use_test_ca': True,
+                  'server_host_override': 'foo.test.google.fr'}
+
+HISTOGRAM_PARAMS = {
+  'resolution': 0.01,
+  'max_possible': 60e9,
+}
+
+EMPTY_GENERIC_PAYLOAD = {
+  'bytebuf_params': {
+    'req_size': 0,
+    'resp_size': 0,
+  }
+}
+EMPTY_PROTO_PAYLOAD = {
+  'simple_params': {
+    'req_size': 0,
+    'resp_size': 0,
+  }
+}
+BIG_GENERIC_PAYLOAD = {
+  'bytebuf_params': {
+    'req_size': 65536,
+    'resp_size': 65536,
+  }
+}
+
+# deep is the number of RPCs outstanding on a channel in non-ping-pong tests
+# (the value used is 1 otherwise)
+DEEP=100
+
+# wide is the number of client channels in multi-channel tests (1 otherwise)
+WIDE=64
+
+
+class CXXLanguage:
+
+  def __init__(self):
+    self.safename = 'cxx'
+
+  def worker_cmdline(self):
+    return ['bins/opt/qps_worker']
+
+  def worker_port_offset(self):
+    return 0
+
+  def scenarios(self):
+    # TODO(ctiller): add 70% load latency test
+    for secure in [True, False]:
+      if secure:
+        secstr = 'secure'
+        secargs = SECURE_SECARGS
+      else:
+        secstr = 'insecure'
+        secargs = None
+
+      yield {
+          'name': 'cpp_generic_async_streaming_ping_pong_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 1,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': 1,
+            'client_channels': 1,
+            'async_client_threads': 1,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+            'histogram_params': HISTOGRAM_PARAMS,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_GENERIC_SERVER',
+            'security_params': secargs,
+            'core_limit': 1,
+            'async_server_threads': 1,
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'cpp_generic_async_streaming_qps_unconstrained_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 0,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': DEEP,
+            'client_channels': WIDE,
+            'async_client_threads': 0,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+            'histogram_params': HISTOGRAM_PARAMS,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_GENERIC_SERVER',
+            'security_params': secargs,
+            'core_limit': SINGLE_MACHINE_CORES/2,
+            'async_server_threads': 0,
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'cpp_generic_async_streaming_qps_one_server_core_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 0,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': DEEP,
+            'client_channels': WIDE,
+            'async_client_threads': 0,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+            'histogram_params': HISTOGRAM_PARAMS,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_GENERIC_SERVER',
+            'security_params': secargs,
+            'core_limit': 1,
+            'async_server_threads': 1,
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'cpp_protobuf_async_streaming_qps_unconstrained_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 0,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': DEEP,
+            'client_channels': WIDE,
+            'async_client_threads': 0,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_PROTO_PAYLOAD,
+            'histogram_params': HISTOGRAM_PARAMS,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_SERVER',
+            'security_params': secargs,
+            'core_limit': SINGLE_MACHINE_CORES/2,
+            'async_server_threads': 0,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'cpp_protobuf_async_streaming_ping_pong_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 1,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': 1,
+            'client_channels': 1,
+            'async_client_threads': 1,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_PROTO_PAYLOAD,
+            'histogram_params': HISTOGRAM_PARAMS,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_SERVER',
+            'security_params': secargs,
+            'core_limit': 1,
+            'async_server_threads': 1,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'cpp_protobuf_sync_unary_ping_pong_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 1,
+          'client_config': {
+            'client_type': 'SYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': 1,
+            'client_channels': 1,
+            'async_client_threads': 0,
+            'rpc_type': 'UNARY',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_PROTO_PAYLOAD,
+            'histogram_params': HISTOGRAM_PARAMS,
+          },
+          'server_config': {
+            'server_type': 'SYNC_SERVER',
+            'security_params': secargs,
+            'core_limit': 1,
+            'async_server_threads': 0,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'cpp_protobuf_async_unary_ping_pong_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 1,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': 1,
+            'client_channels': 1,
+            'async_client_threads': 1,
+            'rpc_type': 'UNARY',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_PROTO_PAYLOAD,
+            'histogram_params': HISTOGRAM_PARAMS,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_SERVER',
+            'security_params': secargs,
+            'core_limit': 1,
+            'async_server_threads': 1,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+
+  def __str__(self):
+    return 'c++'
+
+
+class CSharpLanguage:
+
+  def __init__(self):
+    self.safename = str(self)
+
+  def worker_cmdline(self):
+    return ['tools/run_tests/performance/run_worker_csharp.sh']
+
+  def worker_port_offset(self):
+    return 100
+
+  def scenarios(self):
+    secargs = SECURE_SECARGS
+    yield {
+        'name': 'csharp_generic_async_streaming_ping_pong',
+        'num_servers': 1,
+        'num_clients': 1,
+        'client_config': {
+          'client_type': 'ASYNC_CLIENT',
+          'security_params': secargs,
+          'outstanding_rpcs_per_channel': 1,
+          'client_channels': 1,
+          'async_client_threads': 1,
+          'rpc_type': 'STREAMING',
+          'load_params': {
+            'closed_loop': {}
+          },
+          'payload_config': EMPTY_GENERIC_PAYLOAD,
+          'histogram_params': HISTOGRAM_PARAMS,
+        },
+        'server_config': {
+          'server_type': 'ASYNC_GENERIC_SERVER',
+          'security_params': secargs,
+          'core_limit': 0,
+          'async_server_threads': 0,
+          'payload_config': EMPTY_GENERIC_PAYLOAD,
+        },
+        'warmup_seconds': WARMUP_SECONDS,
+        'benchmark_seconds': BENCHMARK_SECONDS
+    }
+    yield {
+        'name': 'csharp_protobuf_async_unary_ping_pong',
+        'num_servers': 1,
+        'num_clients': 1,
+        'client_config': {
+          'client_type': 'ASYNC_CLIENT',
+          'security_params': secargs,
+          'outstanding_rpcs_per_channel': 1,
+          'client_channels': 1,
+          'async_client_threads': 1,
+          'rpc_type': 'UNARY',
+          'load_params': {
+            'closed_loop': {}
+          },
+          'payload_config': EMPTY_PROTO_PAYLOAD,
+          'histogram_params': HISTOGRAM_PARAMS,
+        },
+        'server_config': {
+          'server_type': 'ASYNC_SERVER',
+          'security_params': secargs,
+          'core_limit': 0,
+          'async_server_threads': 0,
+        },
+        'warmup_seconds': WARMUP_SECONDS,
+        'benchmark_seconds': BENCHMARK_SECONDS
+    }
+    yield {
+        'name': 'csharp_protobuf_sync_to_async_unary_ping_pong',
+        'num_servers': 1,
+        'num_clients': 1,
+        'client_config': {
+          'client_type': 'SYNC_CLIENT',
+          'security_params': secargs,
+          'outstanding_rpcs_per_channel': 1,
+          'client_channels': 1,
+          'async_client_threads': 1,
+          'rpc_type': 'UNARY',
+          'load_params': {
+            'closed_loop': {}
+          },
+          'payload_config': EMPTY_PROTO_PAYLOAD,
+          'histogram_params': HISTOGRAM_PARAMS,
+        },
+        'server_config': {
+          'server_type': 'ASYNC_SERVER',
+          'security_params': secargs,
+          'core_limit': 0,
+          'async_server_threads': 0,
+        },
+        'warmup_seconds': WARMUP_SECONDS,
+        'benchmark_seconds': BENCHMARK_SECONDS
+    }
+    yield {
+        'name': 'csharp_to_cpp_protobuf_sync_unary_ping_pong',
+        'num_servers': 1,
+        'num_clients': 1,
+        'client_config': {
+          'client_type': 'SYNC_CLIENT',
+          'security_params': secargs,
+          'outstanding_rpcs_per_channel': 1,
+          'client_channels': 1,
+          'async_client_threads': 1,
+          'rpc_type': 'UNARY',
+          'load_params': {
+            'closed_loop': {}
+          },
+          'payload_config': EMPTY_PROTO_PAYLOAD,
+          'histogram_params': HISTOGRAM_PARAMS,
+        },
+        'server_config': {
+          'server_type': 'SYNC_SERVER',
+          'security_params': secargs,
+          'core_limit': 1,
+          'async_server_threads': 1,
+        },
+        'warmup_seconds': WARMUP_SECONDS,
+        'benchmark_seconds': BENCHMARK_SECONDS,
+        'SERVER_LANGUAGE': 'c++'  # recognized by run_performance_tests.py
+    }
+
+  def __str__(self):
+    return 'csharp'
+
+
+class NodeLanguage:
+
+  def __init__(self):
+    pass
+    self.safename = str(self)
+
+  def worker_cmdline(self):
+    return ['tools/run_tests/performance/run_worker_node.sh']
+
+  def worker_port_offset(self):
+    return 200
+
+  def scenarios(self):
+    # TODO(jtattermusch): add more scenarios
+    secargs = SECURE_SECARGS
+    yield {
+        'name': 'node_protobuf_unary_ping_pong',
+        'num_servers': 1,
+        'num_clients': 1,
+        'client_config': {
+          'client_type': 'ASYNC_CLIENT',
+          'security_params': secargs,
+          'outstanding_rpcs_per_channel': 1,
+          'client_channels': 1,
+          'async_client_threads': 1,
+          'rpc_type': 'UNARY',
+          'load_params': {
+            'closed_loop': {}
+          },
+          'payload_config': EMPTY_PROTO_PAYLOAD,
+          'histogram_params': HISTOGRAM_PARAMS,
+        },
+        'server_config': {
+          'server_type': 'ASYNC_SERVER',
+          'security_params': secargs,
+          'core_limit': 0,
+          'async_server_threads': 1,
+        },
+        'warmup_seconds': WARMUP_SECONDS,
+        'benchmark_seconds': BENCHMARK_SECONDS
+    }
+
+  def __str__(self):
+    return 'node'
+
+
+class RubyLanguage:
+
+  def __init__(self):
+    pass
+    self.safename = str(self)
+
+  def worker_cmdline(self):
+    return ['tools/run_tests/performance/run_worker_ruby.sh']
+
+  def worker_port_offset(self):
+    return 300
+
+  def scenarios(self):
+    # TODO(jtattermusch): add more scenarios
+    secargs = SECURE_SECARGS
+    yield {
+        'name': 'ruby_protobuf_unary_ping_pong',
+        'num_servers': 1,
+        'num_clients': 1,
+        'client_config': {
+          'client_type': 'SYNC_CLIENT',
+          'security_params': secargs,
+          'outstanding_rpcs_per_channel': 1,
+          'client_channels': 1,
+          'async_client_threads': 1,
+          'rpc_type': 'UNARY',
+          'load_params': {
+            'closed_loop': {}
+          },
+          'payload_config': EMPTY_PROTO_PAYLOAD,
+          'histogram_params': HISTOGRAM_PARAMS,
+        },
+        'server_config': {
+          'server_type': 'SYNC_SERVER',
+          'security_params': secargs,
+          'core_limit': 0,
+          'async_server_threads': 1,
+        },
+        'warmup_seconds': WARMUP_SECONDS,
+        'benchmark_seconds': BENCHMARK_SECONDS
+    }
+
+  def __str__(self):
+    return 'ruby'
+
+
+class JavaLanguage:
+
+  def __init__(self):
+    pass
+    self.safename = str(self)
+
+  def worker_cmdline(self):
+    return ['tools/run_tests/performance/run_worker_java.sh']
+
+  def worker_port_offset(self):
+    return 400
+
+  def scenarios(self):
+    # TODO(jtattermusch): add more scenarios
+    for secure in [True, False]:
+      if secure:
+        secstr = 'secure'
+        secargs = SECURE_SECARGS
+      else:
+        secstr = 'insecure'
+        secargs = None
+
+      yield {
+          'name': 'java_protobuf_unary_ping_pong_%s' % secstr,
+          'num_servers': 1,
+          'num_clients': 1,
+          'client_config': {
+            'client_type': 'SYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': 1,
+            'client_channels': 1,
+            'async_client_threads': 1,
+            'rpc_type': 'UNARY',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_PROTO_PAYLOAD,
+            'histogram_params': HISTOGRAM_PARAMS,
+          },
+          'server_config': {
+            'server_type': 'SYNC_SERVER',
+            'security_params': secargs,
+            'core_limit': 0,
+            'async_server_threads': 1,
+          },
+          'warmup_seconds': JAVA_WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+
+  def __str__(self):
+    return 'java'
+
+
+LANGUAGES = {
+    'c++' : CXXLanguage(),
+    'csharp' : CSharpLanguage(),
+    'node' : NodeLanguage(),
+    'ruby' : RubyLanguage(),
+    'java' : JavaLanguage(),
+}
diff --git a/tools/run_tests/performance/scenario_result_schema.json b/tools/run_tests/performance/scenario_result_schema.json
new file mode 100644
index 0000000000000000000000000000000000000000..032541475719d1cf4facd386e599c12deb812d58
--- /dev/null
+++ b/tools/run_tests/performance/scenario_result_schema.json
@@ -0,0 +1,202 @@
+[
+  {
+    "name": "metadata",
+    "type": "RECORD",
+    "mode": "NULLABLE",
+    "fields": [
+      {
+        "name": "buildNumber",
+        "type": "INTEGER",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "buildUrl",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "jobName",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "gitCommit",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "gitActualCommit",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "created",
+        "type": "TIMESTAMP",
+        "mode": "NULLABLE"
+      }
+    ]
+  },
+  {
+    "name": "scenario",
+    "type": "RECORD",
+    "mode": "NULLABLE",
+    "fields": [
+      {
+        "name": "name",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "clientConfig",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "numClients",
+        "type": "INTEGER",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "serverConfig",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "numServers",
+        "type": "INTEGER",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "warmupSeconds",
+        "type": "INTEGER",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "benchmarkSeconds",
+        "type": "INTEGER",
+        "mode": "NULLABLE"
+      }
+    ]
+  },
+  {
+    "name": "latencies",
+    "type": "STRING",
+    "mode": "NULLABLE"
+  },
+  {
+    "name": "clientStats",
+    "type": "RECORD",
+    "mode": "REPEATED",
+    "fields": [
+      {
+        "name": "latencies",
+        "type": "STRING",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "timeElapsed",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "timeUser",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "timeSystem",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      }
+    ]
+  },
+  {
+    "name": "serverStats",
+    "type": "RECORD",
+    "mode": "REPEATED",
+    "fields": [
+      {
+        "name": "timeElapsed",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "timeUser",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "timeSystem",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      }
+    ]
+  },
+  {
+    "name": "serverCores",
+    "type": "STRING",
+    "mode": "NULLABLE"
+  },
+  {
+    "name": "summary",
+    "type": "RECORD",
+    "mode": "NULLABLE",
+    "fields": [
+      {
+        "name": "qps",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "qpsPerServerCore",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "serverSystemTime",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "serverUserTime",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "clientSystemTime",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "clientUserTime",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "latency50",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "latency90",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "latency95",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "latency99",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      },
+      {
+        "name": "latency999",
+        "type": "FLOAT",
+        "mode": "NULLABLE"
+      }
+    ]
+  }
+]
diff --git a/tools/run_tests/post_tests_csharp.bat b/tools/run_tests/post_tests_csharp.bat
new file mode 100644
index 0000000000000000000000000000000000000000..7851b9137acc9540f9c63609370e30d318508525
--- /dev/null
+++ b/tools/run_tests/post_tests_csharp.bat
@@ -0,0 +1,25 @@
+@rem Runs C# tests for given assembly from command line. The Grpc.sln solution needs to be built before running the tests.
+
+setlocal
+
+if not "%CONFIG%" == "gcov" (
+  goto :EOF
+)
+
+@rem enter src/csharp directory
+cd /d %~dp0\..\..\src\csharp
+
+@rem Generate code coverage report
+@rem TODO(jtattermusch): currently the report list is hardcoded
+packages\ReportGenerator.2.4.4.0\tools\ReportGenerator.exe -reports:"coverage_csharp_*.xml" -targetdir:"..\..\reports\csharp_coverage" -reporttypes:"Html;TextSummary" || goto :error
+
+@rem Generate the index.html file
+echo ^<html^>^<head^>^</head^>^<body^>^<a href='csharp_coverage/index.htm'^>csharp coverage^</a^>^<br/^>^</body^>^</html^> >..\..\reports\index.html
+
+endlocal
+
+goto :EOF
+
+:error
+echo Failed!
+exit /b %errorlevel%
diff --git a/tools/run_tests/post_tests_csharp.sh b/tools/run_tests/post_tests_csharp.sh
new file mode 100755
index 0000000000000000000000000000000000000000..bb6f5c6e18822194561920fc24b02da2653f3956
--- /dev/null
+++ b/tools/run_tests/post_tests_csharp.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+if [ "$CONFIG" != "gcov" ] ; then exit ; fi
+
+# change to gRPC repo root
+cd $(dirname $0)/../..
+
+# Generate the csharp extension coverage report
+gcov objs/gcov/src/csharp/ext/*.o
+lcov --base-directory . --directory . -c -o coverage.info
+lcov -e coverage.info '**/src/csharp/ext/*' -o coverage.info
+genhtml -o reports/csharp_ext_coverage --num-spaces 2 \
+  -t 'gRPC C# native extension test coverage' coverage.info \
+  --rc genhtml_hi_limit=95 --rc genhtml_med_limit=80 --no-prefix
diff --git a/tools/run_tests/post_tests_php.sh b/tools/run_tests/post_tests_php.sh
index 01a44d03dc397d0cbb7d5e93cf80bd5d4b1fb9ae..b4098066ea9fa9f9a409b75ff783d1c565ea535a 100755
--- a/tools/run_tests/post_tests_php.sh
+++ b/tools/run_tests/post_tests_php.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/post_tests_ruby.sh b/tools/run_tests/post_tests_ruby.sh
index 1a02e566c76880c88ed20fc3dddcb1d0cb79411b..0877e44805abd879b5a2309d4d41b0690e77f592 100755
--- a/tools/run_tests/post_tests_ruby.sh
+++ b/tools/run_tests/post_tests_ruby.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/pre_build_csharp.sh b/tools/run_tests/pre_build_csharp.sh
index 32466c217714b951206c7ee7e52a8d4e5007fbe1..3ff1a4e5a8b5545e247fc506e50029d5effad104 100755
--- a/tools/run_tests/pre_build_csharp.sh
+++ b/tools/run_tests/pre_build_csharp.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/pre_build_node.sh b/tools/run_tests/pre_build_node.sh
index 11f46d60fc243d041b038f9244c389724b443ccc..4879e7ad9bded4e63d61f8bf3aa26e93c8283f1c 100755
--- a/tools/run_tests/pre_build_node.sh
+++ b/tools/run_tests/pre_build_node.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -31,9 +31,9 @@
 
 NODE_VERSION=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use $NODE_VERSION
+set -ex
 
 export GRPC_CONFIG=${CONFIG:-opt}
 
diff --git a/tools/run_tests/pre_build_ruby.sh b/tools/run_tests/pre_build_ruby.sh
index 569a1d0333b8876dfca778bd3c1c90dad23d6c5d..e7074c45c2dc492ef20e423e837ed0cd091f6d3c 100755
--- a/tools/run_tests/pre_build_ruby.sh
+++ b/tools/run_tests/pre_build_ruby.sh
@@ -33,7 +33,7 @@ set -ex
 
 export GRPC_CONFIG=${CONFIG:-opt}
 
-# change to grpc's ruby directory
-cd $(dirname $0)/../../src/ruby
+# change to grpc repo root
+cd $(dirname $0)/../..
 
 bundle install
diff --git a/tools/run_tests/report_utils.py b/tools/run_tests/report_utils.py
index df114e5dae16cce8b36428a911435cc522cecf0e..35dcaca3d34e731f22367d19492003bb85fd4bab 100644
--- a/tools/run_tests/report_utils.py
+++ b/tools/run_tests/report_utils.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/run_csharp.bat b/tools/run_tests/run_csharp.bat
deleted file mode 100644
index 82eb58518ced0178431b905b0843f5f158b55c3f..0000000000000000000000000000000000000000
--- a/tools/run_tests/run_csharp.bat
+++ /dev/null
@@ -1,27 +0,0 @@
-@rem Runs C# tests for given assembly from command line. The Grpc.sln solution needs to be built before running the tests.
-
-setlocal
-
-@rem enter src/csharp directory
-cd /d %~dp0\..\..\src\csharp
-
-if not "%CONFIG%" == "gcov" (
-  packages\NUnit.Runners.2.6.4\tools\nunit-console-x86.exe %* || goto :error
-) else (
-  @rem Run all tests with code coverage
-
-  packages\OpenCover.4.6.166\tools\OpenCover.Console.exe -target:"packages\NUnit.Runners.2.6.4\tools\nunit-console-x86.exe" -targetdir:"." -targetargs:"%*" -filter:"+[Grpc.Core]*"  -register:user -output:coverage_results.xml || goto :error
-
-  packages\ReportGenerator.2.3.2.0\tools\ReportGenerator.exe -reports:"coverage_results.xml" -targetdir:"..\..\reports\csharp_coverage" -reporttypes:"Html;TextSummary" || goto :error
-
-  @rem Generate the index.html file
-  echo ^<html^>^<head^>^</head^>^<body^>^<a href='csharp_coverage/index.htm'^>csharp coverage^</a^>^<br/^>^</body^>^</html^> >..\..\reports\index.html
-)
-
-endlocal
-
-goto :EOF
-
-:error
-echo Failed!
-exit /b %errorlevel%
diff --git a/tools/run_tests/run_interop_tests.py b/tools/run_tests/run_interop_tests.py
index 86eb52bbde172e1f5d025cf55fde09d507f76692..18d4c1072b87deed80ce70b90574db1e0d623c0c 100755
--- a/tools/run_tests/run_interop_tests.py
+++ b/tools/run_tests/run_interop_tests.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -270,13 +270,13 @@ class RubyLanguage:
     self.safename = str(self)
 
   def client_cmd(self, args):
-    return ['ruby', 'src/ruby/bin/interop/interop_client.rb'] + args
+    return ['ruby', 'src/ruby/pb/test/client.rb'] + args
 
   def cloud_to_prod_env(self):
     return {}
 
   def server_cmd(self, args):
-    return ['ruby', 'src/ruby/bin/interop/interop_server.rb', '--use_tls=true'] + args
+    return ['ruby', 'src/ruby/pb/test/server.rb', '--use_tls=true'] + args
 
   def global_env(self):
     return {}
@@ -314,7 +314,8 @@ class PythonLanguage:
     ]
 
   def global_env(self):
-    return {'LD_LIBRARY_PATH': '{}/libs/opt'.format(DOCKER_WORKDIR_ROOT)}
+    return {'LD_LIBRARY_PATH': '{}/libs/opt'.format(DOCKER_WORKDIR_ROOT),
+            'PYTHONPATH': '{}/src/python/gens'.format(DOCKER_WORKDIR_ROOT)}
 
   def unimplemented_test_cases(self):
     return _SKIP_ADVANCED + _SKIP_COMPRESSION + ['jwt_token_creds',
@@ -590,8 +591,8 @@ prod_servers = {
                       False),
     'cloud_gateway_v2': ('216.239.32.255', 'grpc-test2.sandbox.googleapis.com',
                          True),
-    'gateway_v4': ('grpc-test4.sandbox.googleapis.com', 
-                   'grpc-test4.sandbox.googleapis.com', True), 
+    'gateway_v4': ('grpc-test4.sandbox.googleapis.com',
+                   'grpc-test4.sandbox.googleapis.com', True),
     'cloud_gateway_v4': ('216.239.32.255', 'grpc-test4.sandbox.googleapis.com',
                          True),
 }
diff --git a/tools/run_tests/run_node.sh b/tools/run_tests/run_node.sh
index d33890068ddce5917198c4cc3883cf33a1318c7d..44f75645f5f21cf8e1df65f4df40ac47126358df 100755
--- a/tools/run_tests/run_node.sh
+++ b/tools/run_tests/run_node.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -30,9 +30,9 @@
 
 NODE_VERSION=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use $NODE_VERSION
+set -ex
 
 CONFIG=${CONFIG:-opt}
 
@@ -48,6 +48,7 @@ if [ "$CONFIG" = "gcov" ]
 then
   ./node_modules/.bin/istanbul cover --dir reports/node_coverage \
     -x **/interop/* ./node_modules/.bin/_mocha -- --timeout $timeout $test_directory
+  cp -r reports/node_coverage/lcov-report/* reports/node_coverage/
   cd build
   gcov Release/obj.target/grpc/ext/*.o
   lcov --base-directory . --directory . -c -o coverage.info
@@ -55,8 +56,6 @@ then
   genhtml -o ../reports/node_ext_coverage --num-spaces 2 \
     -t 'Node gRPC test coverage' coverage.info --rc genhtml_hi_limit=95 \
     --rc genhtml_med_limit=80 --no-prefix
-  echo '<html><head><meta http-equiv="refresh" content="0;URL=lcov-report/index.html"></head></html>' > \
-    ../reports/node_coverage/index.html
 else
   JUNIT_REPORT_PATH=src/node/report.xml JUNIT_REPORT_STACK=1 \
     ./node_modules/.bin/mocha --timeout $timeout \
diff --git a/tools/run_tests/run_performance_tests.py b/tools/run_tests/run_performance_tests.py
new file mode 100755
index 0000000000000000000000000000000000000000..ada341abf54bcfbc27e7cb026dd9ce1d88f4a6b9
--- /dev/null
+++ b/tools/run_tests/run_performance_tests.py
@@ -0,0 +1,366 @@
+#!/usr/bin/env python2.7
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Run performance tests locally or remotely."""
+
+import argparse
+import itertools
+import jobset
+import json
+import multiprocessing
+import os
+import pipes
+import re
+import subprocess
+import sys
+import tempfile
+import time
+import traceback
+import uuid
+import performance.scenario_config as scenario_config
+
+
+_ROOT = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../..'))
+os.chdir(_ROOT)
+
+
+_REMOTE_HOST_USERNAME = 'jenkins'
+
+
+class QpsWorkerJob:
+  """Encapsulates a qps worker server job."""
+
+  def __init__(self, spec, language, host_and_port):
+    self._spec = spec
+    self.language = language
+    self.host_and_port = host_and_port
+    self._job = jobset.Job(spec, bin_hash=None, newline_on_success=True, travis=True, add_env={})
+
+  def is_running(self):
+    """Polls a job and returns True if given job is still running."""
+    return self._job.state(jobset.NoCache()) == jobset._RUNNING
+
+  def kill(self):
+    return self._job.kill()
+
+
+def create_qpsworker_job(language, shortname=None,
+                         port=10000, remote_host=None):
+  # TODO: support more languages
+  cmdline = language.worker_cmdline() + ['--driver_port=%s' % port]
+  if remote_host:
+    user_at_host = '%s@%s' % (_REMOTE_HOST_USERNAME, remote_host)
+    cmdline = ['ssh',
+               str(user_at_host),
+               'cd ~/performance_workspace/grpc/ && %s' % ' '.join(cmdline)]
+    host_and_port='%s:%s' % (remote_host, port)
+  else:
+    host_and_port='localhost:%s' % port
+
+  # TODO(jtattermusch): with some care, we can calculate the right timeout
+  # of a worker from the sum of warmup + benchmark times for all the scenarios
+  jobspec = jobset.JobSpec(
+      cmdline=cmdline,
+      shortname=shortname,
+      timeout_seconds=30*60)
+  return QpsWorkerJob(jobspec, language, host_and_port)
+
+
+def create_scenario_jobspec(scenario_json, workers, remote_host=None,
+                            bq_result_table=None):
+  """Runs one scenario using QPS driver."""
+  # setting QPS_WORKERS env variable here makes sure it works with SSH too.
+  cmd = 'QPS_WORKERS="%s" ' % ','.join(workers)
+  if bq_result_table:
+    cmd += 'BQ_RESULT_TABLE="%s" ' % bq_result_table
+  cmd += 'tools/run_tests/performance/run_qps_driver.sh '
+  cmd += '--scenarios_json=%s ' % pipes.quote(json.dumps({'scenarios': [scenario_json]}))
+  cmd += '--scenario_result_file=scenario_result.json'
+  if remote_host:
+    user_at_host = '%s@%s' % (_REMOTE_HOST_USERNAME, remote_host)
+    cmd = 'ssh %s "cd ~/performance_workspace/grpc/ && "%s' % (user_at_host, pipes.quote(cmd))
+
+  return jobset.JobSpec(
+      cmdline=[cmd],
+      shortname='qps_json_driver.%s' % scenario_json['name'],
+      timeout_seconds=3*60,
+      shell=True,
+      verbose_success=True)
+
+
+def create_quit_jobspec(workers, remote_host=None):
+  """Runs quit using QPS driver."""
+  # setting QPS_WORKERS env variable here makes sure it works with SSH too.
+  cmd = 'QPS_WORKERS="%s" bins/opt/qps_json_driver --quit' % ','.join(workers)
+  if remote_host:
+    user_at_host = '%s@%s' % (_REMOTE_HOST_USERNAME, remote_host)
+    cmd = 'ssh %s "cd ~/performance_workspace/grpc/ && "%s' % (user_at_host, pipes.quote(cmd))
+
+  return jobset.JobSpec(
+      cmdline=[cmd],
+      shortname='qps_json_driver.quit',
+      timeout_seconds=3*60,
+      shell=True,
+      verbose_success=True)
+
+
+def archive_repo(languages):
+  """Archives local version of repo including submodules."""
+  cmdline=['tar', '-cf', '../grpc.tar', '../grpc/']
+  if 'java' in languages:
+    cmdline.append('../grpc-java')
+  if 'go' in languages:
+    cmdline.append('../grpc-go')
+
+  archive_job = jobset.JobSpec(
+      cmdline=cmdline,
+      shortname='archive_repo',
+      timeout_seconds=3*60)
+
+  jobset.message('START', 'Archiving local repository.', do_newline=True)
+  num_failures, _ = jobset.run(
+      [archive_job], newline_on_success=True, maxjobs=1)
+  if num_failures == 0:
+    jobset.message('SUCCESS',
+                   'Archive with local repository created successfully.',
+                   do_newline=True)
+  else:
+    jobset.message('FAILED', 'Failed to archive local repository.',
+                   do_newline=True)
+    sys.exit(1)
+
+
+def prepare_remote_hosts(hosts):
+  """Prepares remote hosts."""
+  prepare_jobs = []
+  for host in hosts:
+    user_at_host = '%s@%s' % (_REMOTE_HOST_USERNAME, host)
+    prepare_jobs.append(
+        jobset.JobSpec(
+            cmdline=['tools/run_tests/performance/remote_host_prepare.sh'],
+            shortname='remote_host_prepare.%s' % host,
+            environ = {'USER_AT_HOST': user_at_host},
+            timeout_seconds=5*60))
+  jobset.message('START', 'Preparing remote hosts.', do_newline=True)
+  num_failures, _ = jobset.run(
+      prepare_jobs, newline_on_success=True, maxjobs=10)
+  if num_failures == 0:
+    jobset.message('SUCCESS',
+                   'Remote hosts ready to start build.',
+                   do_newline=True)
+  else:
+    jobset.message('FAILED', 'Failed to prepare remote hosts.',
+                   do_newline=True)
+    sys.exit(1)
+
+
+def build_on_remote_hosts(hosts, languages=scenario_config.LANGUAGES.keys(), build_local=False):
+  """Builds performance worker on remote hosts (and maybe also locally)."""
+  build_timeout = 15*60
+  build_jobs = []
+  for host in hosts:
+    user_at_host = '%s@%s' % (_REMOTE_HOST_USERNAME, host)
+    build_jobs.append(
+        jobset.JobSpec(
+            cmdline=['tools/run_tests/performance/remote_host_build.sh'] + languages,
+            shortname='remote_host_build.%s' % host,
+            environ = {'USER_AT_HOST': user_at_host, 'CONFIG': 'opt'},
+            timeout_seconds=build_timeout))
+  if build_local:
+    # Build locally as well
+    build_jobs.append(
+        jobset.JobSpec(
+            cmdline=['tools/run_tests/performance/build_performance.sh'] + languages,
+            shortname='local_build',
+            environ = {'CONFIG': 'opt'},
+            timeout_seconds=build_timeout))
+  jobset.message('START', 'Building.', do_newline=True)
+  num_failures, _ = jobset.run(
+      build_jobs, newline_on_success=True, maxjobs=10)
+  if num_failures == 0:
+    jobset.message('SUCCESS',
+                   'Built successfully.',
+                   do_newline=True)
+  else:
+    jobset.message('FAILED', 'Build failed.',
+                   do_newline=True)
+    sys.exit(1)
+
+
+def start_qpsworkers(languages, worker_hosts):
+  """Starts QPS workers as background jobs."""
+  if not worker_hosts:
+    # run two workers locally (for each language)
+    workers=[(None, 10000), (None, 10010)]
+  elif len(worker_hosts) == 1:
+    # run two workers on the remote host (for each language)
+    workers=[(worker_hosts[0], 10000), (worker_hosts[0], 10010)]
+  else:
+    # run one worker per each remote host (for each language)
+    workers=[(worker_host, 10000) for worker_host in worker_hosts]
+
+  return [create_qpsworker_job(language,
+                               shortname= 'qps_worker_%s_%s' % (language,
+                                                                worker_idx),
+                               port=worker[1] + language.worker_port_offset(),
+                               remote_host=worker[0])
+          for language in languages
+          for worker_idx, worker in enumerate(workers)]
+
+
+def create_scenarios(languages, workers_by_lang, remote_host=None, regex='.*',
+                     bq_result_table=None):
+  """Create jobspecs for scenarios to run."""
+  scenarios = []
+  for language in languages:
+    for scenario_json in language.scenarios():
+      if re.search(args.regex, scenario_json['name']):
+        workers = workers_by_lang[str(language)]
+        # 'SERVER_LANGUAGE' is an indicator for this script to pick
+        # a server in different language. It doesn't belong to the Scenario
+        # schema, so we also need to remove it.
+        custom_server_lang = scenario_json.pop('SERVER_LANGUAGE', None)
+        if custom_server_lang:
+          if not workers_by_lang.get(custom_server_lang, []):
+            print 'Warning: Skipping scenario %s as' % scenario_json['name']
+            print('SERVER_LANGUAGE is set to %s yet the language has '
+                  'not been selected with -l' % custom_server_lang)
+            continue
+          for idx in range(0, scenario_json['num_servers']):
+            # replace first X workers by workers of a different language
+            workers[idx] = workers_by_lang[custom_server_lang][idx]
+        scenario = create_scenario_jobspec(scenario_json,
+                                           workers,
+                                           remote_host=remote_host,
+                                           bq_result_table=bq_result_table)
+        scenarios.append(scenario)
+
+  # the very last scenario requests shutting down the workers.
+  all_workers = [worker
+                 for workers in workers_by_lang.values()
+                 for worker in workers]
+  scenarios.append(create_quit_jobspec(all_workers, remote_host=remote_host))
+  return scenarios
+
+
+def finish_qps_workers(jobs):
+  """Waits for given jobs to finish and eventually kills them."""
+  retries = 0
+  while any(job.is_running() for job in jobs):
+    for job in qpsworker_jobs:
+      if job.is_running():
+        print 'QPS worker "%s" is still running.' % job.host_and_port
+    if retries > 10:
+      print 'Killing all QPS workers.'
+      for job in jobs:
+        job.kill()
+    retries += 1
+    time.sleep(3)
+  print 'All QPS workers finished.'
+
+
+argp = argparse.ArgumentParser(description='Run performance tests.')
+argp.add_argument('-l', '--language',
+                  choices=['all'] + sorted(scenario_config.LANGUAGES.keys()),
+                  nargs='+',
+                  default=['all'],
+                  help='Languages to benchmark.')
+argp.add_argument('--remote_driver_host',
+                  default=None,
+                  help='Run QPS driver on given host. By default, QPS driver is run locally.')
+argp.add_argument('--remote_worker_host',
+                  nargs='+',
+                  default=[],
+                  help='Worker hosts where to start QPS workers.')
+argp.add_argument('-r', '--regex', default='.*', type=str,
+                  help='Regex to select scenarios to run.')
+argp.add_argument('--bq_result_table', default=None, type=str,
+                  help='Bigquery "dataset.table" to upload results to.')
+
+args = argp.parse_args()
+
+languages = set(scenario_config.LANGUAGES[l]
+                for l in itertools.chain.from_iterable(
+                      scenario_config.LANGUAGES.iterkeys() if x == 'all' else [x]
+                      for x in args.language))
+
+
+# Put together set of remote hosts where to run and build
+remote_hosts = set()
+if args.remote_worker_host:
+  for host in args.remote_worker_host:
+    remote_hosts.add(host)
+if args.remote_driver_host:
+  remote_hosts.add(args.remote_driver_host)
+
+if remote_hosts:
+  archive_repo(languages=[str(l) for l in languages])
+  prepare_remote_hosts(remote_hosts)
+
+build_local = False
+if not args.remote_driver_host:
+  build_local = True
+build_on_remote_hosts(remote_hosts, languages=[str(l) for l in languages], build_local=build_local)
+
+qpsworker_jobs = start_qpsworkers(languages, args.remote_worker_host)
+
+# TODO(jtattermusch): see https://github.com/grpc/grpc/issues/6174
+time.sleep(5)
+
+# get list of worker addresses for each language.
+worker_addresses = dict([(str(language), []) for language in languages])
+for job in qpsworker_jobs:
+  worker_addresses[str(job.language)].append(job.host_and_port)
+
+try:
+  scenarios = create_scenarios(languages,
+                               workers_by_lang=worker_addresses,
+                               remote_host=args.remote_driver_host,
+                               regex=args.regex,
+                               bq_result_table=args.bq_result_table)
+  if not scenarios:
+    raise Exception('No scenarios to run')
+
+  jobset.message('START', 'Running scenarios.', do_newline=True)
+  num_failures, _ = jobset.run(
+      scenarios, newline_on_success=True, maxjobs=1)
+  if num_failures == 0:
+    jobset.message('SUCCESS',
+                   'All scenarios finished successfully.',
+                   do_newline=True)
+  else:
+    jobset.message('FAILED', 'Some of the scenarios failed.',
+                   do_newline=True)
+    sys.exit(1)
+except:
+  traceback.print_exc()
+  raise
+finally:
+  finish_qps_workers(qpsworker_jobs)
diff --git a/tools/run_tests/run_python.sh b/tools/run_tests/run_python.sh
index d4b7250cbb7f22066aeb01f9c99b65630123a491..a93ef2576db75a7acb41c6366caad7bceac897dd 100755
--- a/tools/run_tests/run_python.sh
+++ b/tools/run_tests/run_python.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -40,6 +40,7 @@ export PATH=$ROOT/bins/$CONFIG:$ROOT/bins/$CONFIG/protobuf:$PATH
 export CFLAGS="-I$ROOT/include -std=c89"
 export LDFLAGS="-L$ROOT/libs/$CONFIG"
 export GRPC_PYTHON_BUILD_WITH_CYTHON=1
+export GRPC_PYTHON_USE_PRECOMPILED_BINARIES=0
 
 if [ "$CONFIG" = "gcov" ]
 then
diff --git a/tools/run_tests/run_stress_tests.py b/tools/run_tests/run_stress_tests.py
index d1faf7d9641c012fda9e3b16488eba931977783e..0ba8f51c58370538be244629fed7826cdb92a7b6 100755
--- a/tools/run_tests/run_stress_tests.py
+++ b/tools/run_tests/run_stress_tests.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index 99bf5df1f9234de1456d15c6f860d0da44b25f8e..4b9898539d5e9cddbc52f3228746c3d512100581 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -80,7 +80,7 @@ class Config(object):
     self.timeout_multiplier = timeout_multiplier
 
   def job_spec(self, cmdline, hash_targets, timeout_seconds=5*60,
-               shortname=None, environ={}, cpu_cost=1.0):
+               shortname=None, environ={}, cpu_cost=1.0, flaky=False):
     """Construct a jobset.JobSpec for a test under this config
 
        Args:
@@ -102,7 +102,7 @@ class Config(object):
                           timeout_seconds=(self.timeout_multiplier * timeout_seconds if timeout_seconds else None),
                           hash_targets=hash_targets
                               if self.allow_hashing else None,
-                          flake_retries=5 if args.allow_flakes else 0,
+                          flake_retries=5 if flaky or args.allow_flakes else 0,
                           timeout_retries=3 if args.allow_flakes else 0)
 
 
@@ -120,7 +120,12 @@ def get_c_tests(travis, test_lang) :
 
 def _check_compiler(compiler, supported_compilers):
   if compiler not in supported_compilers:
-    raise Exception('Compiler %s not supported.' % compiler)
+    raise Exception('Compiler %s not supported (on this platform).' % compiler)
+
+
+def _check_arch(arch, supported_archs):
+  if arch not in supported_archs:
+    raise Exception('Architecture %s not supported.' % arch)
 
 
 def _is_use_docker_child():
@@ -183,14 +188,15 @@ class CLanguage(object):
                                               shortname='%s:%s' % (binary, test),
                                               cpu_cost=target['cpu_cost'],
                                               environ={'GRPC_DEFAULT_SSL_ROOTS_FILE_PATH':
-                                                       _ROOT + '/src/core/tsi/test_creds/ca.pem'}))
+                                                       _ROOT + '/src/core/lib/tsi/test_creds/ca.pem'}))
         else:
           cmdline = [binary] + target['args']
           out.append(self.config.job_spec(cmdline, [binary],
-                                          shortname=' '.join(cmdline),
+                                          shortname=target.get('shortname', ' '.join(cmdline)),
                                           cpu_cost=target['cpu_cost'],
+                                          flaky=target.get('flaky', False),
                                           environ={'GRPC_DEFAULT_SSL_ROOTS_FILE_PATH':
-                                                   _ROOT + '/src/core/tsi/test_creds/ca.pem'}))
+                                                   _ROOT + '/src/core/lib/tsi/test_creds/ca.pem'}))
       elif self.args.regex == '.*' or self.platform == 'windows':
         print '\nWARNING: binary not found, skipping', binary
     return sorted(out)
@@ -231,6 +237,9 @@ class CLanguage(object):
   def _clang_make_options(self):
     return ['CC=clang', 'CXX=clang++', 'LD=clang', 'LDXX=clang++']
 
+  def _gcc44_make_options(self):
+    return ['CC=gcc-4.4', 'CXX=g++-4.4', 'LD=gcc-4.4', 'LDXX=g++-4.4']
+
   def _compiler_options(self, use_docker, compiler):
     """Returns docker distro and make options to use for given compiler."""
     if _is_use_docker_child():
@@ -241,7 +250,7 @@ class CLanguage(object):
     if compiler == 'gcc4.9' or compiler == 'default':
       return ('jessie', [])
     elif compiler == 'gcc4.4':
-      return ('squeeze', [])
+      return ('wheezy', self._gcc44_make_options())
     elif compiler == 'gcc5.3':
       return ('ubuntu1604', [])
     elif compiler == 'clang3.4':
@@ -362,6 +371,7 @@ class PythonLanguage(object):
       tests_json = json.load(tests_json_file)
     environment = dict(_FORCE_ENVIRON_FOR_WRAPPERS)
     environment['PYVER'] = '2.7'
+    environment['PYTHONPATH'] = os.path.abspath('src/python/gens')
     if self.config.build_config != 'gcov':
       return [self.config.job_spec(
           ['tools/run_tests/run_python.sh'],
@@ -460,45 +470,65 @@ class CSharpLanguage(object):
   def configure(self, config, args):
     self.config = config
     self.args = args
-    _check_compiler(self.args.compiler, ['default'])
+    if self.platform == 'windows':
+      # Explicitly choosing between x86 and x64 arch doesn't work yet
+      _check_arch(self.args.arch, ['default'])
+      self._make_options = [_windows_toolset_option(self.args.compiler),
+                            _windows_arch_option(self.args.arch)]
+    else:
+      _check_compiler(self.args.compiler, ['default'])
+      if self.platform == 'mac':
+        # On Mac, official distribution of mono is 32bit.
+        # TODO(jtattermusch): EMBED_ZLIB=true currently breaks the mac build
+        self._make_options = ['EMBED_OPENSSL=true',
+                              'CFLAGS=-m32', 'LDFLAGS=-m32']
+      else:
+        self._make_options = ['EMBED_OPENSSL=true', 'EMBED_ZLIB=true']
 
   def test_specs(self):
     with open('src/csharp/tests.json') as f:
-      tests_json = json.load(f)
-    assemblies = tests_json['assemblies']
-    tests = tests_json['tests']
+      tests_by_assembly = json.load(f)
 
     msbuild_config = _MSBUILD_CONFIG[self.config.build_config]
-    assembly_files = ['%s/bin/%s/%s.dll' % (a, msbuild_config, a)
-                      for a in assemblies]
-
-    extra_args = ['-labels'] + assembly_files
-
+    nunit_args = ['--labels=All',
+                  '--noresult',
+                  '--workers=1']
     if self.platform == 'windows':
-      script_name = 'tools\\run_tests\\run_csharp.bat'
-      extra_args += ['-domain=None']
-    else:
-      script_name = 'tools/run_tests/run_csharp.sh'
-
-    if self.config.build_config == 'gcov':
-      # On Windows, we only collect C# code coverage.
-      # On Linux, we only collect coverage for native extension.
-      # For code coverage all tests need to run as one suite.
-      return [self.config.job_spec([script_name] + extra_args, None,
-                                    shortname='csharp.coverage',
-                                    environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
+      runtime_cmd = []
     else:
-      specs = []
-      for test in tests:
-        cmdline = [script_name, '-run=%s' % test] + extra_args
-        if self.platform == 'windows':
-          # use different output directory for each test to prevent
-          # TestResult.xml clash between parallel test runs.
-          cmdline += ['-work=test-result/%s' % uuid.uuid4()]
-        specs.append(self.config.job_spec(cmdline, None,
-                                          shortname='csharp.%s' % test,
+      runtime_cmd = ['mono']
+
+    specs = []
+    for assembly in tests_by_assembly.iterkeys():
+      assembly_file = 'src/csharp/%s/bin/%s/%s.exe' % (assembly, msbuild_config, assembly)
+      if self.config.build_config != 'gcov' or self.platform != 'windows':
+        # normally, run each test as a separate process
+        for test in tests_by_assembly[assembly]:
+          cmdline = runtime_cmd + [assembly_file, '--test=%s' % test] + nunit_args
+          specs.append(self.config.job_spec(cmdline,
+                                            None,
+                                            shortname='csharp.%s' % test,
+                                            environ=_FORCE_ENVIRON_FOR_WRAPPERS))
+      else:
+        # For C# test coverage, run all tests from the same assembly at once
+        # using OpenCover.Console (only works on Windows).
+        cmdline = ['src\\csharp\\packages\\OpenCover.4.6.519\\tools\\OpenCover.Console.exe',
+                   '-target:%s' % assembly_file,
+                   '-targetdir:src\\csharp',
+                   '-targetargs:%s' % ' '.join(nunit_args),
+                   '-filter:+[Grpc.Core]*',
+                   '-register:user',
+                   '-output:src\\csharp\\coverage_csharp_%s.xml' % assembly]
+
+        # set really high cpu_cost to make sure instances of OpenCover.Console run exclusively
+        # to prevent problems with registering the profiler.
+        run_exclusive = 1000000
+        specs.append(self.config.job_spec(cmdline,
+                                          None,
+                                          shortname='csharp.coverage.%s' % assembly,
+                                          cpu_cost=run_exclusive,
                                           environ=_FORCE_ENVIRON_FOR_WRAPPERS))
-      return specs
+    return specs
 
   def pre_build_steps(self):
     if self.platform == 'windows':
@@ -507,28 +537,24 @@ class CSharpLanguage(object):
       return [['tools/run_tests/pre_build_csharp.sh']]
 
   def make_targets(self):
-    # For Windows, this target doesn't really build anything,
-    # everything is build by buildall script later.
-    if self.platform == 'windows':
-      return []
-    else:
-      return ['grpc_csharp_ext']
+    return ['grpc_csharp_ext']
 
   def make_options(self):
-    if self.platform == 'mac':
-      # On Mac, official distribution of mono is 32bit.
-      return ['CFLAGS=-arch i386', 'LDFLAGS=-arch i386']
-    else:
-      return []
+    return self._make_options;
 
   def build_steps(self):
     if self.platform == 'windows':
-      return [['src\\csharp\\buildall.bat']]
+      return [[_windows_build_bat(self.args.compiler),
+               'src/csharp/Grpc.sln',
+               '/p:Configuration=%s' % _MSBUILD_CONFIG[self.config.build_config]]]
     else:
       return [['tools/run_tests/build_csharp.sh']]
 
   def post_tests_steps(self):
-    return []
+    if self.platform == 'windows':
+      return [['tools\\run_tests\\post_tests_csharp.bat']]
+    else:
+      return [['tools/run_tests/post_tests_csharp.sh']]
 
   def makefile_name(self):
     return 'Makefile'
@@ -879,7 +905,7 @@ if args.use_docker:
       sys.exit(1)
   else:
     dockerfile_dir = next(iter(dockerfile_dirs))
-    
+
   child_argv = [ arg for arg in sys.argv if not arg == '--use_docker' ]
   run_tests_cmd = 'python tools/run_tests/run_tests.py %s' % ' '.join(child_argv[1:])
 
diff --git a/tools/run_tests/sanity/check_cache_mk.sh b/tools/run_tests/sanity/check_cache_mk.sh
index b738d6a965f52b6a5754afd8b251b8402f376440..d7ae3d0d65fe236cfe1898fd4eeaa4d3e5dfdca1 100755
--- a/tools/run_tests/sanity/check_cache_mk.sh
+++ b/tools/run_tests/sanity/check_cache_mk.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/sanity/check_sources_and_headers.py b/tools/run_tests/sanity/check_sources_and_headers.py
index 44dc49bb06f7c33492045d5d4567efb3222cf477..c028499ca635cea40251b780383f018bdfd17ba7 100755
--- a/tools/run_tests/sanity/check_sources_and_headers.py
+++ b/tools/run_tests/sanity/check_sources_and_headers.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -55,7 +55,7 @@ def target_has_header(target, name):
   for dep in target['deps']:
     if target_has_header(get_target(dep), name):
       return True
-  if name == 'src/core/profiling/stap_probes.h':
+  if name == 'src/core/lib/profiling/stap_probes.h':
     return True
   return False
 
diff --git a/tools/run_tests/sanity/check_submodules.sh b/tools/run_tests/sanity/check_submodules.sh
index 3c6dbb9ea1f1a18f51b33c8d889c901496d12153..3349d28cf9e71cf2b63f001062439d983c2e3b8f 100755
--- a/tools/run_tests/sanity/check_submodules.sh
+++ b/tools/run_tests/sanity/check_submodules.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -41,7 +41,7 @@ want_submodules=`mktemp /tmp/submXXXXXX`
 
 git submodule | awk '{ print $1 }' | sort > $submodules
 cat << EOF | awk '{ print $1 }' | sort > $want_submodules
- 9f897b25800d2f54f5c442ef01a60721aeca6d87 third_party/boringssl (version_for_cocoapods_1.0-67-g9f897b2)
+ c880e42ba1c8032d4cdde2aba0541d8a9d9fa2e9 third_party/boringssl (heads/2661)
  05b155ff59114735ec8cd089f669c4c3d8f59029 third_party/gflags (v2.1.0-45-g05b155f)
  c99458533a9b4c743ed51537e25989ea55944908 third_party/googletest (release-1.7.0)
  f8ac463766281625ad710900479130c7fcb4d63b third_party/nanopb (nanopb-0.3.4-29-gf8ac463)
diff --git a/tools/run_tests/sanity/sanity_tests.yaml b/tools/run_tests/sanity/sanity_tests.yaml
index 3840f4d8df6a3a54b7bef81008fba93290cb78f7..efc21e6591bef981661a56d6f2ecb40ff104dbdc 100644
--- a/tools/run_tests/sanity/sanity_tests.yaml
+++ b/tools/run_tests/sanity/sanity_tests.yaml
@@ -5,6 +5,8 @@
 - script: tools/buildgen/generate_projects.sh -j 3
   cpu_cost: 3
 - script: tools/distrib/check_copyright.py
+- script: tools/distrib/check_vsprojects.py
 - script: tools/distrib/clang_format_code.sh
 - script: tools/distrib/check_trailing_newlines.sh
 - script: tools/distrib/check_nanopb_output.sh
+- script: tools/distrib/check_include_guards.py
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 503adba2fbf2ba2bd7ac33f987f4af5c12579eeb..8bac383f06b4e87542426270ead4ad78372b2ead 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -63,6 +63,22 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "api_fuzzer", 
+    "src": [
+      "test/core/end2end/fuzzers/api_fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "grpc", 
@@ -173,6 +189,22 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "client_fuzzer", 
+    "src": [
+      "test/core/end2end/fuzzers/client_fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "gpr", 
@@ -390,6 +422,22 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "goaway_server_test", 
+    "src": [
+      "test/core/end2end/goaway_server_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "gpr", 
@@ -882,6 +930,22 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "hpack_parser_fuzzer_test", 
+    "src": [
+      "test/core/transport/chttp2/hpack_parser_fuzzer_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "gpr", 
@@ -923,9 +987,25 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "httpcli_format_request_test", 
+    "name": "http_fuzzer_test", 
+    "src": [
+      "test/core/http/fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "http_parser_test", 
     "src": [
-      "test/core/httpcli/format_request_test.c"
+      "test/core/http/parser_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -939,9 +1019,9 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "httpcli_parser_test", 
+    "name": "httpcli_format_request_test", 
     "src": [
-      "test/core/httpcli/parser_test.c"
+      "test/core/http/format_request_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -957,7 +1037,7 @@
     "language": "c", 
     "name": "httpcli_test", 
     "src": [
-      "test/core/httpcli/httpcli_test.c"
+      "test/core/http/httpcli_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -973,7 +1053,7 @@
     "language": "c", 
     "name": "httpscli_test", 
     "src": [
-      "test/core/httpcli/httpscli_test.c"
+      "test/core/http/httpscli_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -994,6 +1074,54 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "internal_api_canary_iomgr_test", 
+    "src": [
+      "test/core/internal_api_canaries/iomgr.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "internal_api_canary_support_test", 
+    "src": [
+      "test/core/internal_api_canaries/iomgr.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "internal_api_canary_transport_test", 
+    "src": [
+      "test/core/internal_api_canaries/iomgr.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "gpr", 
@@ -1010,6 +1138,22 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "json_fuzzer_test", 
+    "src": [
+      "test/core/json/fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "gpr", 
@@ -1182,6 +1326,38 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "nanopb_fuzzer_response_test", 
+    "src": [
+      "test/core/nanopb/fuzzer_response.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "nanopb_fuzzer_serverlist_test", 
+    "src": [
+      "test/core/nanopb/fuzzer_serverlist.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "gpr", 
@@ -1262,6 +1438,22 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "server_fuzzer", 
+    "src": [
+      "test/core/end2end/fuzzers/server_fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "gpr", 
@@ -1535,6 +1727,22 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "uri_fuzzer_test", 
+    "src": [
+      "test/core/client_config/uri_fuzzer_test.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "gpr", 
@@ -1730,7 +1938,36 @@
   }, 
   {
     "deps": [
-      "grpc++_codegen_lib"
+      "gpr", 
+      "grpc", 
+      "grpc++", 
+      "grpc++_codegen"
+    ], 
+    "headers": [
+      "src/proto/grpc/testing/control.grpc.pb.h", 
+      "src/proto/grpc/testing/control.pb.h", 
+      "src/proto/grpc/testing/messages.grpc.pb.h", 
+      "src/proto/grpc/testing/messages.pb.h", 
+      "src/proto/grpc/testing/payloads.grpc.pb.h", 
+      "src/proto/grpc/testing/payloads.pb.h", 
+      "src/proto/grpc/testing/perf_db.grpc.pb.h", 
+      "src/proto/grpc/testing/perf_db.pb.h", 
+      "src/proto/grpc/testing/services.grpc.pb.h", 
+      "src/proto/grpc/testing/services.pb.h", 
+      "src/proto/grpc/testing/stats.grpc.pb.h", 
+      "src/proto/grpc/testing/stats.pb.h"
+    ], 
+    "language": "c++", 
+    "name": "codegen_test_full", 
+    "src": [
+      "test/cpp/codegen/codegen_test_full.cc"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "grpc++_codegen"
     ], 
     "headers": [
       "src/proto/grpc/testing/control.grpc.pb.h", 
@@ -1747,9 +1984,9 @@
       "src/proto/grpc/testing/stats.pb.h"
     ], 
     "language": "c++", 
-    "name": "codegen_test", 
+    "name": "codegen_test_minimal", 
     "src": [
-      "test/cpp/codegen/codegen_test.cc"
+      "test/cpp/codegen/codegen_test_minimal.cc"
     ], 
     "third_party": false, 
     "type": "target"
@@ -1888,6 +2125,24 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc", 
+      "grpc++"
+    ], 
+    "headers": [
+      "src/proto/grpc/testing/compiler_test.grpc.pb.h", 
+      "src/proto/grpc/testing/compiler_test.pb.h"
+    ], 
+    "language": "c++", 
+    "name": "golden_file_test", 
+    "src": [
+      "test/cpp/codegen/golden_file_test.cc"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "gpr", 
@@ -1933,6 +2188,19 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "grpc_plugin_support"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "grpc_node_plugin", 
+    "src": [
+      "src/compiler/node_plugin.cc"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "grpc_plugin_support"
@@ -2063,6 +2331,25 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc++", 
+      "grpc++_test_config", 
+      "grpc++_test_util", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "src": [
+      "test/cpp/qps/json_run_localhost.cc"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "gpr", 
@@ -2108,16 +2395,15 @@
       "gpr_test_util", 
       "grpc", 
       "grpc++", 
-      "grpc++_test_config", 
       "grpc++_test_util", 
       "grpc_test_util", 
       "qps"
     ], 
     "headers": [], 
     "language": "c++", 
-    "name": "qps_driver", 
+    "name": "qps_interarrival_test", 
     "src": [
-      "test/cpp/qps/qps_driver.cc"
+      "test/cpp/qps/qps_interarrival_test.cc"
     ], 
     "third_party": false, 
     "type": "target"
@@ -2128,15 +2414,20 @@
       "gpr_test_util", 
       "grpc", 
       "grpc++", 
+      "grpc++_test_config", 
       "grpc++_test_util", 
       "grpc_test_util", 
       "qps"
     ], 
-    "headers": [], 
+    "headers": [
+      "test/cpp/qps/parse_json.h"
+    ], 
     "language": "c++", 
-    "name": "qps_interarrival_test", 
+    "name": "qps_json_driver", 
     "src": [
-      "test/cpp/qps/qps_interarrival_test.cc"
+      "test/cpp/qps/parse_json.cc", 
+      "test/cpp/qps/parse_json.h", 
+      "test/cpp/qps/qps_json_driver.cc"
     ], 
     "third_party": false, 
     "type": "target"
@@ -2530,6 +2821,19 @@
     "third_party": true, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_asn1_test_lib", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_asn1_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "boringssl", 
@@ -2933,6 +3237,19 @@
     "third_party": true, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util", 
+      "boringssl_x509_test_lib"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_x509_test", 
+    "src": [], 
+    "third_party": true, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "boringssl", 
@@ -3019,6 +3336,23 @@
     "third_party": false, 
     "type": "target"
   }, 
+  {
+    "deps": [
+      "bad_client_test", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "head_of_line_blocking_bad_client_test", 
+    "src": [
+      "test/core/bad_client/tests/head_of_line_blocking.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
   {
     "deps": [
       "bad_client_test", 
@@ -3282,26 +3616,9 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_full+poll_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_full+poll.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
-      "end2end_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_full+trace_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_full+poll+pipe.c"
+      "test/core/end2end/fixtures/h2_full+trace.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -3418,9 +3735,9 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_cert_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_ssl+poll.c"
+      "test/core/end2end/fixtures/h2_ssl_cert.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -3452,43 +3769,43 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_uds_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_uchannel.c"
+      "test/core/end2end/fixtures/h2_uds.c"
     ], 
     "third_party": false, 
     "type": "target"
   }, 
   {
     "deps": [
-      "end2end_tests", 
+      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_census_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_uds.c"
+      "test/core/end2end/fixtures/h2_census.c"
     ], 
     "third_party": false, 
     "type": "target"
   }, 
   {
     "deps": [
-      "end2end_tests", 
+      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_compress_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_uds+poll.c"
+      "test/core/end2end/fixtures/h2_compress.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -3503,9 +3820,9 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_census.c"
+      "test/core/end2end/fixtures/h2_full.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -3520,9 +3837,9 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_compress_nosec_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_compress.c"
+      "test/core/end2end/fixtures/h2_full+pipe.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -3537,9 +3854,9 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "h2_full+trace_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_full.c"
+      "test/core/end2end/fixtures/h2_full+trace.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -3554,9 +3871,9 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "h2_proxy_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_full+pipe.c"
+      "test/core/end2end/fixtures/h2_proxy.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -3571,9 +3888,9 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "h2_sockpair_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_full+poll.c"
+      "test/core/end2end/fixtures/h2_sockpair.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -3588,9 +3905,9 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "h2_sockpair+trace_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_full+poll+pipe.c"
+      "test/core/end2end/fixtures/h2_sockpair+trace.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -3605,9 +3922,9 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_proxy_nosec_test", 
+    "name": "h2_sockpair_1byte_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_proxy.c"
+      "test/core/end2end/fixtures/h2_sockpair_1byte.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -3622,788 +3939,214 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_sockpair_nosec_test", 
+    "name": "h2_uds_nosec_test", 
     "src": [
-      "test/core/end2end/fixtures/h2_sockpair.c"
+      "test/core/end2end/fixtures/h2_uds.c"
     ], 
     "third_party": false, 
     "type": "target"
   }, 
   {
     "deps": [
-      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
+      "grpc", 
+      "grpc_test_util"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_sockpair+trace_nosec_test", 
+    "name": "api_fuzzer_one_entry", 
     "src": [
-      "test/core/end2end/fixtures/h2_sockpair+trace.c"
+      "test/core/end2end/fuzzers/api_fuzzer.c", 
+      "test/core/util/one_corpus_entry_fuzzer.c"
     ], 
     "third_party": false, 
     "type": "target"
   }, 
   {
     "deps": [
-      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
+      "grpc", 
+      "grpc_test_util"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_sockpair_1byte_nosec_test", 
+    "name": "client_fuzzer_one_entry", 
     "src": [
-      "test/core/end2end/fixtures/h2_sockpair_1byte.c"
+      "test/core/end2end/fuzzers/client_fuzzer.c", 
+      "test/core/util/one_corpus_entry_fuzzer.c"
     ], 
     "third_party": false, 
     "type": "target"
   }, 
   {
     "deps": [
-      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
+      "grpc", 
+      "grpc_test_util"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_uchannel_nosec_test", 
+    "name": "hpack_parser_fuzzer_test_one_entry", 
     "src": [
-      "test/core/end2end/fixtures/h2_uchannel.c"
+      "test/core/transport/chttp2/hpack_parser_fuzzer_test.c", 
+      "test/core/util/one_corpus_entry_fuzzer.c"
     ], 
     "third_party": false, 
     "type": "target"
   }, 
   {
     "deps": [
-      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
+      "grpc", 
+      "grpc_test_util"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "http_fuzzer_test_one_entry", 
     "src": [
-      "test/core/end2end/fixtures/h2_uds.c"
+      "test/core/http/fuzzer.c", 
+      "test/core/util/one_corpus_entry_fuzzer.c"
     ], 
     "third_party": false, 
     "type": "target"
   }, 
   {
     "deps": [
-      "end2end_nosec_tests", 
       "gpr", 
       "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
+      "grpc", 
+      "grpc_test_util"
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "json_fuzzer_test_one_entry", 
     "src": [
-      "test/core/end2end/fixtures/h2_uds+poll.c"
+      "test/core/json/fuzzer.c", 
+      "test/core/util/one_corpus_entry_fuzzer.c"
     ], 
     "third_party": false, 
     "type": "target"
   }, 
   {
-    "deps": [], 
-    "headers": [
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h", 
-      "include/grpc/support/alloc.h", 
-      "include/grpc/support/atm.h", 
-      "include/grpc/support/atm_gcc_atomic.h", 
-      "include/grpc/support/atm_gcc_sync.h", 
-      "include/grpc/support/atm_win32.h", 
-      "include/grpc/support/avl.h", 
-      "include/grpc/support/cmdline.h", 
-      "include/grpc/support/cpu.h", 
-      "include/grpc/support/histogram.h", 
-      "include/grpc/support/host_port.h", 
-      "include/grpc/support/log.h", 
-      "include/grpc/support/log_win32.h", 
-      "include/grpc/support/port_platform.h", 
-      "include/grpc/support/slice.h", 
-      "include/grpc/support/slice_buffer.h", 
-      "include/grpc/support/string_util.h", 
-      "include/grpc/support/subprocess.h", 
-      "include/grpc/support/sync.h", 
-      "include/grpc/support/sync_generic.h", 
-      "include/grpc/support/sync_posix.h", 
-      "include/grpc/support/sync_win32.h", 
-      "include/grpc/support/thd.h", 
-      "include/grpc/support/time.h", 
-      "include/grpc/support/tls.h", 
-      "include/grpc/support/tls_gcc.h", 
-      "include/grpc/support/tls_msvc.h", 
-      "include/grpc/support/tls_pthread.h", 
-      "include/grpc/support/useful.h", 
-      "src/core/profiling/timers.h", 
-      "src/core/support/backoff.h", 
-      "src/core/support/block_annotate.h", 
-      "src/core/support/env.h", 
-      "src/core/support/load_file.h", 
-      "src/core/support/murmur_hash.h", 
-      "src/core/support/stack_lockfree.h", 
-      "src/core/support/string.h", 
-      "src/core/support/string_win32.h", 
-      "src/core/support/thd_internal.h", 
-      "src/core/support/time_precise.h", 
-      "src/core/support/tmpfile.h"
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
     ], 
+    "headers": [], 
     "language": "c", 
-    "name": "gpr", 
+    "name": "nanopb_fuzzer_response_test_one_entry", 
     "src": [
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h", 
-      "include/grpc/support/alloc.h", 
-      "include/grpc/support/atm.h", 
-      "include/grpc/support/atm_gcc_atomic.h", 
-      "include/grpc/support/atm_gcc_sync.h", 
-      "include/grpc/support/atm_win32.h", 
-      "include/grpc/support/avl.h", 
-      "include/grpc/support/cmdline.h", 
-      "include/grpc/support/cpu.h", 
-      "include/grpc/support/histogram.h", 
-      "include/grpc/support/host_port.h", 
-      "include/grpc/support/log.h", 
-      "include/grpc/support/log_win32.h", 
-      "include/grpc/support/port_platform.h", 
-      "include/grpc/support/slice.h", 
-      "include/grpc/support/slice_buffer.h", 
-      "include/grpc/support/string_util.h", 
-      "include/grpc/support/subprocess.h", 
-      "include/grpc/support/sync.h", 
-      "include/grpc/support/sync_generic.h", 
-      "include/grpc/support/sync_posix.h", 
-      "include/grpc/support/sync_win32.h", 
-      "include/grpc/support/thd.h", 
-      "include/grpc/support/time.h", 
-      "include/grpc/support/tls.h", 
-      "include/grpc/support/tls_gcc.h", 
-      "include/grpc/support/tls_msvc.h", 
-      "include/grpc/support/tls_pthread.h", 
-      "include/grpc/support/useful.h", 
-      "src/core/profiling/basic_timers.c", 
-      "src/core/profiling/stap_timers.c", 
-      "src/core/profiling/timers.h", 
-      "src/core/support/alloc.c", 
-      "src/core/support/avl.c", 
-      "src/core/support/backoff.c", 
-      "src/core/support/backoff.h", 
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-      "src/core/support/tmpfile_posix.c", 
-      "src/core/support/tmpfile_win32.c", 
-      "src/core/support/wrap_memcpy.c"
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+      "test/core/util/one_corpus_entry_fuzzer.c"
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   {
     "deps": [
-      "gpr"
-    ], 
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+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
     ], 
+    "headers": [], 
     "language": "c", 
-    "name": "gpr_test_util", 
+    "name": "nanopb_fuzzer_serverlist_test_one_entry", 
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-      "test/core/util/test_config.h"
+      "test/core/nanopb/fuzzer_serverlist.c", 
+      "test/core/util/one_corpus_entry_fuzzer.c"
     ], 
     "third_party": false, 
-    "type": "lib"
+    "type": "target"
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+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
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-      "src/core/transport/chttp2/frame_window_update.h", 
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-      "src/core/transport/chttp2/huffsyms.h", 
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-      "third_party/nanopb/pb_encode.h"
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+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
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+      "test/core/util/one_corpus_entry_fuzzer.c"
+    ], 
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+    "type": "target"
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-      "src/core/security/security_connector.c", 
-      "src/core/security/security_connector.h", 
-      "src/core/security/security_context.c", 
-      "src/core/security/security_context.h", 
-      "src/core/security/server_auth_filter.c", 
-      "src/core/security/server_secure_chttp2.c", 
-      "src/core/statistics/census_interface.h", 
-      "src/core/statistics/census_rpc_stats.h", 
-      "src/core/surface/alarm.c", 
-      "src/core/surface/api_trace.c", 
-      "src/core/surface/api_trace.h", 
-      "src/core/surface/byte_buffer.c", 
-      "src/core/surface/byte_buffer_reader.c", 
-      "src/core/surface/call.c", 
-      "src/core/surface/call.h", 
-      "src/core/surface/call_details.c", 
-      "src/core/surface/call_log_batch.c", 
-      "src/core/surface/call_test_only.h", 
-      "src/core/surface/channel.c", 
-      "src/core/surface/channel.h", 
-      "src/core/surface/channel_connectivity.c", 
-      "src/core/surface/channel_create.c", 
-      "src/core/surface/channel_ping.c", 
-      "src/core/surface/completion_queue.c", 
-      "src/core/surface/completion_queue.h", 
-      "src/core/surface/event_string.c", 
-      "src/core/surface/event_string.h", 
-      "src/core/surface/init.c", 
-      "src/core/surface/init.h", 
-      "src/core/surface/init_secure.c", 
-      "src/core/surface/lame_client.c", 
-      "src/core/surface/metadata_array.c", 
-      "src/core/surface/secure_channel_create.c", 
-      "src/core/surface/server.c", 
-      "src/core/surface/server.h", 
-      "src/core/surface/server_chttp2.c", 
-      "src/core/surface/server_create.c", 
-      "src/core/surface/surface_trace.h", 
-      "src/core/surface/validate_metadata.c", 
-      "src/core/surface/version.c", 
-      "src/core/transport/byte_stream.c", 
-      "src/core/transport/byte_stream.h", 
-      "src/core/transport/chttp2/alpn.c", 
-      "src/core/transport/chttp2/alpn.h", 
-      "src/core/transport/chttp2/bin_encoder.c", 
-      "src/core/transport/chttp2/bin_encoder.h", 
-      "src/core/transport/chttp2/frame.h", 
-      "src/core/transport/chttp2/frame_data.c", 
-      "src/core/transport/chttp2/frame_data.h", 
-      "src/core/transport/chttp2/frame_goaway.c", 
-      "src/core/transport/chttp2/frame_goaway.h", 
-      "src/core/transport/chttp2/frame_ping.c", 
-      "src/core/transport/chttp2/frame_ping.h", 
-      "src/core/transport/chttp2/frame_rst_stream.c", 
-      "src/core/transport/chttp2/frame_rst_stream.h", 
-      "src/core/transport/chttp2/frame_settings.c", 
-      "src/core/transport/chttp2/frame_settings.h", 
-      "src/core/transport/chttp2/frame_window_update.c", 
-      "src/core/transport/chttp2/frame_window_update.h", 
-      "src/core/transport/chttp2/hpack_encoder.c", 
-      "src/core/transport/chttp2/hpack_encoder.h", 
-      "src/core/transport/chttp2/hpack_parser.c", 
-      "src/core/transport/chttp2/hpack_parser.h", 
-      "src/core/transport/chttp2/hpack_table.c", 
-      "src/core/transport/chttp2/hpack_table.h", 
-      "src/core/transport/chttp2/http2_errors.h", 
-      "src/core/transport/chttp2/huffsyms.c", 
-      "src/core/transport/chttp2/huffsyms.h", 
-      "src/core/transport/chttp2/incoming_metadata.c", 
-      "src/core/transport/chttp2/incoming_metadata.h", 
-      "src/core/transport/chttp2/internal.h", 
-      "src/core/transport/chttp2/parsing.c", 
-      "src/core/transport/chttp2/status_conversion.c", 
-      "src/core/transport/chttp2/status_conversion.h", 
-      "src/core/transport/chttp2/stream_lists.c", 
-      "src/core/transport/chttp2/stream_map.c", 
-      "src/core/transport/chttp2/stream_map.h", 
-      "src/core/transport/chttp2/timeout_encoding.c", 
-      "src/core/transport/chttp2/timeout_encoding.h", 
-      "src/core/transport/chttp2/varint.c", 
-      "src/core/transport/chttp2/varint.h", 
-      "src/core/transport/chttp2/writing.c", 
-      "src/core/transport/chttp2_transport.c", 
-      "src/core/transport/chttp2_transport.h", 
-      "src/core/transport/connectivity_state.c", 
-      "src/core/transport/connectivity_state.h", 
-      "src/core/transport/metadata.c", 
-      "src/core/transport/metadata.h", 
-      "src/core/transport/metadata_batch.c", 
-      "src/core/transport/metadata_batch.h", 
-      "src/core/transport/static_metadata.c", 
-      "src/core/transport/static_metadata.h", 
-      "src/core/transport/transport.c", 
-      "src/core/transport/transport.h", 
-      "src/core/transport/transport_impl.h", 
-      "src/core/transport/transport_op_string.c", 
-      "src/core/tsi/fake_transport_security.c", 
-      "src/core/tsi/fake_transport_security.h", 
-      "src/core/tsi/ssl_transport_security.c", 
-      "src/core/tsi/ssl_transport_security.h", 
-      "src/core/tsi/ssl_types.h", 
-      "src/core/tsi/transport_security.c", 
-      "src/core/tsi/transport_security.h", 
-      "src/core/tsi/transport_security_interface.h"
+      "test/core/client_config/uri_fuzzer_test.c", 
+      "test/core/util/one_corpus_entry_fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr_base"
     ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "gpr", 
+    "src": [], 
     "third_party": false, 
     "type": "lib"
   }, 
   {
-    "deps": [], 
+    "deps": [
+      "gpr"
+    ], 
     "headers": [
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h"
+      "test/core/util/test_config.h"
     ], 
     "language": "c", 
-    "name": "grpc_codegen_lib", 
+    "name": "gpr_test_util", 
     "src": [
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h"
+      "test/core/util/test_config.c", 
+      "test/core/util/test_config.h"
+    ], 
+    "third_party": false, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "census", 
+      "gpr", 
+      "grpc_base", 
+      "grpc_lb_policy_grpclb", 
+      "grpc_lb_policy_pick_first", 
+      "grpc_lb_policy_round_robin", 
+      "grpc_resolver_dns_native", 
+      "grpc_resolver_sockaddr", 
+      "grpc_secure", 
+      "grpc_transport_chttp2_client_insecure", 
+      "grpc_transport_chttp2_client_secure", 
+      "grpc_transport_chttp2_server_insecure", 
+      "grpc_transport_chttp2_server_secure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "grpc", 
+    "src": [
+      "src/core/lib/surface/init.c"
     ], 
     "third_party": false, 
     "type": "lib"
@@ -4424,43 +4167,23 @@
     "deps": [
       "gpr", 
       "gpr_test_util", 
-      "grpc"
+      "grpc", 
+      "grpc_test_util_base"
     ], 
     "headers": [
-      "test/core/end2end/cq_verifier.h", 
       "test/core/end2end/data/ssl_test_data.h", 
-      "test/core/end2end/fixtures/proxy.h", 
-      "test/core/iomgr/endpoint_tests.h", 
-      "test/core/security/oauth2_utils.h", 
-      "test/core/util/grpc_profiler.h", 
-      "test/core/util/parse_hexstring.h", 
-      "test/core/util/port.h", 
-      "test/core/util/slice_splitter.h"
+      "test/core/security/oauth2_utils.h"
     ], 
     "language": "c", 
     "name": "grpc_test_util", 
     "src": [
-      "test/core/end2end/cq_verifier.c", 
-      "test/core/end2end/cq_verifier.h", 
+      "test/core/end2end/data/client_certs.c", 
       "test/core/end2end/data/server1_cert.c", 
       "test/core/end2end/data/server1_key.c", 
       "test/core/end2end/data/ssl_test_data.h", 
       "test/core/end2end/data/test_root_cert.c", 
-      "test/core/end2end/fixtures/proxy.c", 
-      "test/core/end2end/fixtures/proxy.h", 
-      "test/core/iomgr/endpoint_tests.c", 
-      "test/core/iomgr/endpoint_tests.h", 
       "test/core/security/oauth2_utils.c", 
-      "test/core/security/oauth2_utils.h", 
-      "test/core/util/grpc_profiler.c", 
-      "test/core/util/grpc_profiler.h", 
-      "test/core/util/parse_hexstring.c", 
-      "test/core/util/parse_hexstring.h", 
-      "test/core/util/port.h", 
-      "test/core/util/port_posix.c", 
-      "test/core/util/port_windows.c", 
-      "test/core/util/slice_splitter.c", 
-      "test/core/util/slice_splitter.h"
+      "test/core/security/oauth2_utils.h"
     ], 
     "third_party": false, 
     "type": "lib"
@@ -4469,449 +4192,36 @@
     "deps": [
       "gpr", 
       "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util_base", 
       "grpc_unsecure"
     ], 
-    "headers": [
-      "test/core/end2end/cq_verifier.h", 
-      "test/core/end2end/fixtures/proxy.h", 
-      "test/core/iomgr/endpoint_tests.h", 
-      "test/core/util/grpc_profiler.h", 
-      "test/core/util/parse_hexstring.h", 
-      "test/core/util/port.h", 
-      "test/core/util/slice_splitter.h"
-    ], 
+    "headers": [], 
     "language": "c", 
     "name": "grpc_test_util_unsecure", 
-    "src": [
-      "test/core/end2end/cq_verifier.c", 
-      "test/core/end2end/cq_verifier.h", 
-      "test/core/end2end/fixtures/proxy.c", 
-      "test/core/end2end/fixtures/proxy.h", 
-      "test/core/iomgr/endpoint_tests.c", 
-      "test/core/iomgr/endpoint_tests.h", 
-      "test/core/util/grpc_profiler.c", 
-      "test/core/util/grpc_profiler.h", 
-      "test/core/util/parse_hexstring.c", 
-      "test/core/util/parse_hexstring.h", 
-      "test/core/util/port.h", 
-      "test/core/util/port_posix.c", 
-      "test/core/util/port_windows.c", 
-      "test/core/util/slice_splitter.c", 
-      "test/core/util/slice_splitter.h"
-    ], 
+    "src": [], 
     "third_party": false, 
     "type": "lib"
   }, 
   {
     "deps": [
-      "gpr"
-    ], 
-    "headers": [
-      "include/grpc/byte_buffer.h", 
-      "include/grpc/byte_buffer_reader.h", 
-      "include/grpc/census.h", 
-      "include/grpc/compression.h", 
-      "include/grpc/grpc.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/status.h", 
-      "src/core/census/aggregation.h", 
-      "src/core/census/grpc_filter.h", 
-      "src/core/census/mlog.h", 
-      "src/core/census/rpc_metric_id.h", 
-      "src/core/channel/channel_args.h", 
-      "src/core/channel/channel_stack.h", 
-      "src/core/channel/client_channel.h", 
-      "src/core/channel/client_uchannel.h", 
-      "src/core/channel/compress_filter.h", 
-      "src/core/channel/connected_channel.h", 
-      "src/core/channel/context.h", 
-      "src/core/channel/http_client_filter.h", 
-      "src/core/channel/http_server_filter.h", 
-      "src/core/channel/subchannel_call_holder.h", 
-      "src/core/client_config/client_config.h", 
-      "src/core/client_config/connector.h", 
-      "src/core/client_config/initial_connect_string.h", 
-      "src/core/client_config/lb_policies/load_balancer_api.h", 
-      "src/core/client_config/lb_policies/pick_first.h", 
-      "src/core/client_config/lb_policies/round_robin.h", 
-      "src/core/client_config/lb_policy.h", 
-      "src/core/client_config/lb_policy_factory.h", 
-      "src/core/client_config/lb_policy_registry.h", 
-      "src/core/client_config/resolver.h", 
-      "src/core/client_config/resolver_factory.h", 
-      "src/core/client_config/resolver_registry.h", 
-      "src/core/client_config/resolvers/dns_resolver.h", 
-      "src/core/client_config/resolvers/sockaddr_resolver.h", 
-      "src/core/client_config/subchannel.h", 
-      "src/core/client_config/subchannel_factory.h", 
-      "src/core/client_config/subchannel_index.h", 
-      "src/core/client_config/uri_parser.h", 
-      "src/core/compression/algorithm_metadata.h", 
-      "src/core/compression/message_compress.h", 
-      "src/core/debug/trace.h", 
-      "src/core/httpcli/format_request.h", 
-      "src/core/httpcli/httpcli.h", 
-      "src/core/httpcli/parser.h", 
-      "src/core/iomgr/closure.h", 
-      "src/core/iomgr/endpoint.h", 
-      "src/core/iomgr/endpoint_pair.h", 
-      "src/core/iomgr/exec_ctx.h", 
-      "src/core/iomgr/executor.h", 
-      "src/core/iomgr/fd_posix.h", 
-      "src/core/iomgr/iocp_windows.h", 
-      "src/core/iomgr/iomgr.h", 
-      "src/core/iomgr/iomgr_internal.h", 
-      "src/core/iomgr/iomgr_posix.h", 
-      "src/core/iomgr/pollset.h", 
-      "src/core/iomgr/pollset_posix.h", 
-      "src/core/iomgr/pollset_set.h", 
-      "src/core/iomgr/pollset_set_posix.h", 
-      "src/core/iomgr/pollset_set_windows.h", 
-      "src/core/iomgr/pollset_windows.h", 
-      "src/core/iomgr/resolve_address.h", 
-      "src/core/iomgr/sockaddr.h", 
-      "src/core/iomgr/sockaddr_posix.h", 
-      "src/core/iomgr/sockaddr_utils.h", 
-      "src/core/iomgr/sockaddr_win32.h", 
-      "src/core/iomgr/socket_utils_posix.h", 
-      "src/core/iomgr/socket_windows.h", 
-      "src/core/iomgr/tcp_client.h", 
-      "src/core/iomgr/tcp_posix.h", 
-      "src/core/iomgr/tcp_server.h", 
-      "src/core/iomgr/tcp_windows.h", 
-      "src/core/iomgr/time_averaged_stats.h", 
-      "src/core/iomgr/timer.h", 
-      "src/core/iomgr/timer_heap.h", 
-      "src/core/iomgr/udp_server.h", 
-      "src/core/iomgr/wakeup_fd_pipe.h", 
-      "src/core/iomgr/wakeup_fd_posix.h", 
-      "src/core/iomgr/workqueue.h", 
-      "src/core/iomgr/workqueue_posix.h", 
-      "src/core/iomgr/workqueue_windows.h", 
-      "src/core/json/json.h", 
-      "src/core/json/json_common.h", 
-      "src/core/json/json_reader.h", 
-      "src/core/json/json_writer.h", 
-      "src/core/proto/grpc/lb/v0/load_balancer.pb.h", 
-      "src/core/statistics/census_interface.h", 
-      "src/core/statistics/census_rpc_stats.h", 
-      "src/core/surface/api_trace.h", 
-      "src/core/surface/call.h", 
-      "src/core/surface/call_test_only.h", 
-      "src/core/surface/channel.h", 
-      "src/core/surface/completion_queue.h", 
-      "src/core/surface/event_string.h", 
-      "src/core/surface/init.h", 
-      "src/core/surface/server.h", 
-      "src/core/surface/surface_trace.h", 
-      "src/core/transport/byte_stream.h", 
-      "src/core/transport/chttp2/alpn.h", 
-      "src/core/transport/chttp2/bin_encoder.h", 
-      "src/core/transport/chttp2/frame.h", 
-      "src/core/transport/chttp2/frame_data.h", 
-      "src/core/transport/chttp2/frame_goaway.h", 
-      "src/core/transport/chttp2/frame_ping.h", 
-      "src/core/transport/chttp2/frame_rst_stream.h", 
-      "src/core/transport/chttp2/frame_settings.h", 
-      "src/core/transport/chttp2/frame_window_update.h", 
-      "src/core/transport/chttp2/hpack_encoder.h", 
-      "src/core/transport/chttp2/hpack_parser.h", 
-      "src/core/transport/chttp2/hpack_table.h", 
-      "src/core/transport/chttp2/http2_errors.h", 
-      "src/core/transport/chttp2/huffsyms.h", 
-      "src/core/transport/chttp2/incoming_metadata.h", 
-      "src/core/transport/chttp2/internal.h", 
-      "src/core/transport/chttp2/status_conversion.h", 
-      "src/core/transport/chttp2/stream_map.h", 
-      "src/core/transport/chttp2/timeout_encoding.h", 
-      "src/core/transport/chttp2/varint.h", 
-      "src/core/transport/chttp2_transport.h", 
-      "src/core/transport/connectivity_state.h", 
-      "src/core/transport/metadata.h", 
-      "src/core/transport/metadata_batch.h", 
-      "src/core/transport/static_metadata.h", 
-      "src/core/transport/transport.h", 
-      "src/core/transport/transport_impl.h", 
-      "third_party/nanopb/pb.h", 
-      "third_party/nanopb/pb_common.h", 
-      "third_party/nanopb/pb_decode.h", 
-      "third_party/nanopb/pb_encode.h"
+      "census", 
+      "gpr", 
+      "grpc_base", 
+      "grpc_lb_policy_grpclb", 
+      "grpc_lb_policy_pick_first", 
+      "grpc_lb_policy_round_robin", 
+      "grpc_resolver_dns_native", 
+      "grpc_resolver_sockaddr", 
+      "grpc_transport_chttp2_client_insecure", 
+      "grpc_transport_chttp2_server_insecure"
     ], 
+    "headers": [], 
     "language": "c", 
     "name": "grpc_unsecure", 
     "src": [
-      "include/grpc/byte_buffer.h", 
-      "include/grpc/byte_buffer_reader.h", 
-      "include/grpc/census.h", 
-      "include/grpc/compression.h", 
-      "include/grpc/grpc.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/status.h", 
-      "src/core/census/aggregation.h", 
-      "src/core/census/context.c", 
-      "src/core/census/grpc_context.c", 
-      "src/core/census/grpc_filter.c", 
-      "src/core/census/grpc_filter.h", 
-      "src/core/census/initialize.c", 
-      "src/core/census/mlog.c", 
-      "src/core/census/mlog.h", 
-      "src/core/census/operation.c", 
-      "src/core/census/placeholders.c", 
-      "src/core/census/rpc_metric_id.h", 
-      "src/core/census/tracing.c", 
-      "src/core/channel/channel_args.c", 
-      "src/core/channel/channel_args.h", 
-      "src/core/channel/channel_stack.c", 
-      "src/core/channel/channel_stack.h", 
-      "src/core/channel/client_channel.c", 
-      "src/core/channel/client_channel.h", 
-      "src/core/channel/client_uchannel.c", 
-      "src/core/channel/client_uchannel.h", 
-      "src/core/channel/compress_filter.c", 
-      "src/core/channel/compress_filter.h", 
-      "src/core/channel/connected_channel.c", 
-      "src/core/channel/connected_channel.h", 
-      "src/core/channel/context.h", 
-      "src/core/channel/http_client_filter.c", 
-      "src/core/channel/http_client_filter.h", 
-      "src/core/channel/http_server_filter.c", 
-      "src/core/channel/http_server_filter.h", 
-      "src/core/channel/subchannel_call_holder.c", 
-      "src/core/channel/subchannel_call_holder.h", 
-      "src/core/client_config/client_config.c", 
-      "src/core/client_config/client_config.h", 
-      "src/core/client_config/connector.c", 
-      "src/core/client_config/connector.h", 
-      "src/core/client_config/default_initial_connect_string.c", 
-      "src/core/client_config/initial_connect_string.c", 
-      "src/core/client_config/initial_connect_string.h", 
-      "src/core/client_config/lb_policies/load_balancer_api.c", 
-      "src/core/client_config/lb_policies/load_balancer_api.h", 
-      "src/core/client_config/lb_policies/pick_first.c", 
-      "src/core/client_config/lb_policies/pick_first.h", 
-      "src/core/client_config/lb_policies/round_robin.c", 
-      "src/core/client_config/lb_policies/round_robin.h", 
-      "src/core/client_config/lb_policy.c", 
-      "src/core/client_config/lb_policy.h", 
-      "src/core/client_config/lb_policy_factory.c", 
-      "src/core/client_config/lb_policy_factory.h", 
-      "src/core/client_config/lb_policy_registry.c", 
-      "src/core/client_config/lb_policy_registry.h", 
-      "src/core/client_config/resolver.c", 
-      "src/core/client_config/resolver.h", 
-      "src/core/client_config/resolver_factory.c", 
-      "src/core/client_config/resolver_factory.h", 
-      "src/core/client_config/resolver_registry.c", 
-      "src/core/client_config/resolver_registry.h", 
-      "src/core/client_config/resolvers/dns_resolver.c", 
-      "src/core/client_config/resolvers/dns_resolver.h", 
-      "src/core/client_config/resolvers/sockaddr_resolver.c", 
-      "src/core/client_config/resolvers/sockaddr_resolver.h", 
-      "src/core/client_config/subchannel.c", 
-      "src/core/client_config/subchannel.h", 
-      "src/core/client_config/subchannel_factory.c", 
-      "src/core/client_config/subchannel_factory.h", 
-      "src/core/client_config/subchannel_index.c", 
-      "src/core/client_config/subchannel_index.h", 
-      "src/core/client_config/uri_parser.c", 
-      "src/core/client_config/uri_parser.h", 
-      "src/core/compression/algorithm_metadata.h", 
-      "src/core/compression/compression_algorithm.c", 
-      "src/core/compression/message_compress.c", 
-      "src/core/compression/message_compress.h", 
-      "src/core/debug/trace.c", 
-      "src/core/debug/trace.h", 
-      "src/core/httpcli/format_request.c", 
-      "src/core/httpcli/format_request.h", 
-      "src/core/httpcli/httpcli.c", 
-      "src/core/httpcli/httpcli.h", 
-      "src/core/httpcli/parser.c", 
-      "src/core/httpcli/parser.h", 
-      "src/core/iomgr/closure.c", 
-      "src/core/iomgr/closure.h", 
-      "src/core/iomgr/endpoint.c", 
-      "src/core/iomgr/endpoint.h", 
-      "src/core/iomgr/endpoint_pair.h", 
-      "src/core/iomgr/endpoint_pair_posix.c", 
-      "src/core/iomgr/endpoint_pair_windows.c", 
-      "src/core/iomgr/exec_ctx.c", 
-      "src/core/iomgr/exec_ctx.h", 
-      "src/core/iomgr/executor.c", 
-      "src/core/iomgr/executor.h", 
-      "src/core/iomgr/fd_posix.c", 
-      "src/core/iomgr/fd_posix.h", 
-      "src/core/iomgr/iocp_windows.c", 
-      "src/core/iomgr/iocp_windows.h", 
-      "src/core/iomgr/iomgr.c", 
-      "src/core/iomgr/iomgr.h", 
-      "src/core/iomgr/iomgr_internal.h", 
-      "src/core/iomgr/iomgr_posix.c", 
-      "src/core/iomgr/iomgr_posix.h", 
-      "src/core/iomgr/iomgr_windows.c", 
-      "src/core/iomgr/pollset.h", 
-      "src/core/iomgr/pollset_multipoller_with_epoll.c", 
-      "src/core/iomgr/pollset_multipoller_with_poll_posix.c", 
-      "src/core/iomgr/pollset_posix.c", 
-      "src/core/iomgr/pollset_posix.h", 
-      "src/core/iomgr/pollset_set.h", 
-      "src/core/iomgr/pollset_set_posix.c", 
-      "src/core/iomgr/pollset_set_posix.h", 
-      "src/core/iomgr/pollset_set_windows.c", 
-      "src/core/iomgr/pollset_set_windows.h", 
-      "src/core/iomgr/pollset_windows.c", 
-      "src/core/iomgr/pollset_windows.h", 
-      "src/core/iomgr/resolve_address.h", 
-      "src/core/iomgr/resolve_address_posix.c", 
-      "src/core/iomgr/resolve_address_windows.c", 
-      "src/core/iomgr/sockaddr.h", 
-      "src/core/iomgr/sockaddr_posix.h", 
-      "src/core/iomgr/sockaddr_utils.c", 
-      "src/core/iomgr/sockaddr_utils.h", 
-      "src/core/iomgr/sockaddr_win32.h", 
-      "src/core/iomgr/socket_utils_common_posix.c", 
-      "src/core/iomgr/socket_utils_linux.c", 
-      "src/core/iomgr/socket_utils_posix.c", 
-      "src/core/iomgr/socket_utils_posix.h", 
-      "src/core/iomgr/socket_windows.c", 
-      "src/core/iomgr/socket_windows.h", 
-      "src/core/iomgr/tcp_client.h", 
-      "src/core/iomgr/tcp_client_posix.c", 
-      "src/core/iomgr/tcp_client_windows.c", 
-      "src/core/iomgr/tcp_posix.c", 
-      "src/core/iomgr/tcp_posix.h", 
-      "src/core/iomgr/tcp_server.h", 
-      "src/core/iomgr/tcp_server_posix.c", 
-      "src/core/iomgr/tcp_server_windows.c", 
-      "src/core/iomgr/tcp_windows.c", 
-      "src/core/iomgr/tcp_windows.h", 
-      "src/core/iomgr/time_averaged_stats.c", 
-      "src/core/iomgr/time_averaged_stats.h", 
-      "src/core/iomgr/timer.c", 
-      "src/core/iomgr/timer.h", 
-      "src/core/iomgr/timer_heap.c", 
-      "src/core/iomgr/timer_heap.h", 
-      "src/core/iomgr/udp_server.c", 
-      "src/core/iomgr/udp_server.h", 
-      "src/core/iomgr/wakeup_fd_eventfd.c", 
-      "src/core/iomgr/wakeup_fd_nospecial.c", 
-      "src/core/iomgr/wakeup_fd_pipe.c", 
-      "src/core/iomgr/wakeup_fd_pipe.h", 
-      "src/core/iomgr/wakeup_fd_posix.c", 
-      "src/core/iomgr/wakeup_fd_posix.h", 
-      "src/core/iomgr/workqueue.h", 
-      "src/core/iomgr/workqueue_posix.c", 
-      "src/core/iomgr/workqueue_posix.h", 
-      "src/core/iomgr/workqueue_windows.c", 
-      "src/core/iomgr/workqueue_windows.h", 
-      "src/core/json/json.c", 
-      "src/core/json/json.h", 
-      "src/core/json/json_common.h", 
-      "src/core/json/json_reader.c", 
-      "src/core/json/json_reader.h", 
-      "src/core/json/json_string.c", 
-      "src/core/json/json_writer.c", 
-      "src/core/json/json_writer.h", 
-      "src/core/proto/grpc/lb/v0/load_balancer.pb.c", 
-      "src/core/proto/grpc/lb/v0/load_balancer.pb.h", 
-      "src/core/statistics/census_interface.h", 
-      "src/core/statistics/census_rpc_stats.h", 
-      "src/core/surface/alarm.c", 
-      "src/core/surface/api_trace.c", 
-      "src/core/surface/api_trace.h", 
-      "src/core/surface/byte_buffer.c", 
-      "src/core/surface/byte_buffer_reader.c", 
-      "src/core/surface/call.c", 
-      "src/core/surface/call.h", 
-      "src/core/surface/call_details.c", 
-      "src/core/surface/call_log_batch.c", 
-      "src/core/surface/call_test_only.h", 
-      "src/core/surface/channel.c", 
-      "src/core/surface/channel.h", 
-      "src/core/surface/channel_connectivity.c", 
-      "src/core/surface/channel_create.c", 
-      "src/core/surface/channel_ping.c", 
-      "src/core/surface/completion_queue.c", 
-      "src/core/surface/completion_queue.h", 
-      "src/core/surface/event_string.c", 
-      "src/core/surface/event_string.h", 
-      "src/core/surface/init.c", 
-      "src/core/surface/init.h", 
-      "src/core/surface/init_unsecure.c", 
-      "src/core/surface/lame_client.c", 
-      "src/core/surface/metadata_array.c", 
-      "src/core/surface/server.c", 
-      "src/core/surface/server.h", 
-      "src/core/surface/server_chttp2.c", 
-      "src/core/surface/server_create.c", 
-      "src/core/surface/surface_trace.h", 
-      "src/core/surface/validate_metadata.c", 
-      "src/core/surface/version.c", 
-      "src/core/transport/byte_stream.c", 
-      "src/core/transport/byte_stream.h", 
-      "src/core/transport/chttp2/alpn.c", 
-      "src/core/transport/chttp2/alpn.h", 
-      "src/core/transport/chttp2/bin_encoder.c", 
-      "src/core/transport/chttp2/bin_encoder.h", 
-      "src/core/transport/chttp2/frame.h", 
-      "src/core/transport/chttp2/frame_data.c", 
-      "src/core/transport/chttp2/frame_data.h", 
-      "src/core/transport/chttp2/frame_goaway.c", 
-      "src/core/transport/chttp2/frame_goaway.h", 
-      "src/core/transport/chttp2/frame_ping.c", 
-      "src/core/transport/chttp2/frame_ping.h", 
-      "src/core/transport/chttp2/frame_rst_stream.c", 
-      "src/core/transport/chttp2/frame_rst_stream.h", 
-      "src/core/transport/chttp2/frame_settings.c", 
-      "src/core/transport/chttp2/frame_settings.h", 
-      "src/core/transport/chttp2/frame_window_update.c", 
-      "src/core/transport/chttp2/frame_window_update.h", 
-      "src/core/transport/chttp2/hpack_encoder.c", 
-      "src/core/transport/chttp2/hpack_encoder.h", 
-      "src/core/transport/chttp2/hpack_parser.c", 
-      "src/core/transport/chttp2/hpack_parser.h", 
-      "src/core/transport/chttp2/hpack_table.c", 
-      "src/core/transport/chttp2/hpack_table.h", 
-      "src/core/transport/chttp2/http2_errors.h", 
-      "src/core/transport/chttp2/huffsyms.c", 
-      "src/core/transport/chttp2/huffsyms.h", 
-      "src/core/transport/chttp2/incoming_metadata.c", 
-      "src/core/transport/chttp2/incoming_metadata.h", 
-      "src/core/transport/chttp2/internal.h", 
-      "src/core/transport/chttp2/parsing.c", 
-      "src/core/transport/chttp2/status_conversion.c", 
-      "src/core/transport/chttp2/status_conversion.h", 
-      "src/core/transport/chttp2/stream_lists.c", 
-      "src/core/transport/chttp2/stream_map.c", 
-      "src/core/transport/chttp2/stream_map.h", 
-      "src/core/transport/chttp2/timeout_encoding.c", 
-      "src/core/transport/chttp2/timeout_encoding.h", 
-      "src/core/transport/chttp2/varint.c", 
-      "src/core/transport/chttp2/varint.h", 
-      "src/core/transport/chttp2/writing.c", 
-      "src/core/transport/chttp2_transport.c", 
-      "src/core/transport/chttp2_transport.h", 
-      "src/core/transport/connectivity_state.c", 
-      "src/core/transport/connectivity_state.h", 
-      "src/core/transport/metadata.c", 
-      "src/core/transport/metadata.h", 
-      "src/core/transport/metadata_batch.c", 
-      "src/core/transport/metadata_batch.h", 
-      "src/core/transport/static_metadata.c", 
-      "src/core/transport/static_metadata.h", 
-      "src/core/transport/transport.c", 
-      "src/core/transport/transport.h", 
-      "src/core/transport/transport_impl.h", 
-      "src/core/transport/transport_op_string.c"
+      "src/core/lib/surface/init.c", 
+      "src/core/lib/surface/init_unsecure.c"
     ], 
     "third_party": false, 
     "type": "lib"
@@ -4922,15 +4232,13 @@
       "grpc"
     ], 
     "headers": [
-      "include/grpc/grpc_zookeeper.h", 
-      "src/core/client_config/resolvers/zookeeper_resolver.h"
+      "include/grpc/grpc_zookeeper.h"
     ], 
     "language": "c", 
     "name": "grpc_zookeeper", 
     "src": [
       "include/grpc/grpc_zookeeper.h", 
-      "src/core/client_config/resolvers/zookeeper_resolver.c", 
-      "src/core/client_config/resolvers/zookeeper_resolver.h"
+      "src/core/ext/resolver/zookeeper/zookeeper_resolver.c"
     ], 
     "third_party": false, 
     "type": "lib"
@@ -4976,326 +4284,29 @@
   }, 
   {
     "deps": [
-      "grpc"
+      "grpc", 
+      "grpc++_base", 
+      "grpc++_codegen"
     ], 
     "headers": [
-      "include/grpc++/alarm.h", 
-      "include/grpc++/channel.h", 
-      "include/grpc++/client_context.h", 
-      "include/grpc++/completion_queue.h", 
-      "include/grpc++/create_channel.h", 
-      "include/grpc++/generic/async_generic_service.h", 
-      "include/grpc++/generic/generic_stub.h", 
-      "include/grpc++/grpc++.h", 
-      "include/grpc++/impl/call.h", 
-      "include/grpc++/impl/client_unary_call.h", 
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/core_codegen_interface.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc++/impl/grpc_library.h", 
-      "include/grpc++/impl/method_handler_impl.h", 
-      "include/grpc++/impl/proto_utils.h", 
-      "include/grpc++/impl/rpc_method.h", 
-      "include/grpc++/impl/rpc_service_method.h", 
-      "include/grpc++/impl/serialization_traits.h", 
-      "include/grpc++/impl/server_builder_option.h", 
-      "include/grpc++/impl/service_type.h", 
-      "include/grpc++/impl/sync.h", 
-      "include/grpc++/impl/sync_cxx11.h", 
-      "include/grpc++/impl/sync_no_cxx11.h", 
-      "include/grpc++/impl/thd.h", 
-      "include/grpc++/impl/thd_cxx11.h", 
-      "include/grpc++/impl/thd_no_cxx11.h", 
-      "include/grpc++/security/auth_context.h", 
-      "include/grpc++/security/auth_metadata_processor.h", 
-      "include/grpc++/security/credentials.h", 
-      "include/grpc++/security/server_credentials.h", 
-      "include/grpc++/server.h", 
-      "include/grpc++/server_builder.h", 
-      "include/grpc++/server_context.h", 
-      "include/grpc++/support/async_stream.h", 
-      "include/grpc++/support/async_unary_call.h", 
-      "include/grpc++/support/byte_buffer.h", 
-      "include/grpc++/support/channel_arguments.h", 
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc++/support/slice.h", 
-      "include/grpc++/support/status.h", 
-      "include/grpc++/support/status_code_enum.h", 
-      "include/grpc++/support/string_ref.h", 
-      "include/grpc++/support/stub_options.h", 
-      "include/grpc++/support/sync_stream.h", 
-      "include/grpc++/support/time.h", 
-      "src/cpp/client/create_channel_internal.h", 
       "src/cpp/client/secure_credentials.h", 
       "src/cpp/common/core_codegen.h", 
-      "src/cpp/common/core_codegen.h", 
-      "src/cpp/common/create_auth_context.h", 
       "src/cpp/common/secure_auth_context.h", 
-      "src/cpp/server/dynamic_thread_pool.h", 
-      "src/cpp/server/secure_server_credentials.h", 
-      "src/cpp/server/thread_pool_interface.h"
+      "src/cpp/server/secure_server_credentials.h"
     ], 
     "language": "c++", 
     "name": "grpc++", 
     "src": [
-      "include/grpc++/alarm.h", 
-      "include/grpc++/channel.h", 
-      "include/grpc++/client_context.h", 
-      "include/grpc++/completion_queue.h", 
-      "include/grpc++/create_channel.h", 
-      "include/grpc++/generic/async_generic_service.h", 
-      "include/grpc++/generic/generic_stub.h", 
-      "include/grpc++/grpc++.h", 
-      "include/grpc++/impl/call.h", 
-      "include/grpc++/impl/client_unary_call.h", 
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/core_codegen_interface.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc++/impl/grpc_library.h", 
-      "include/grpc++/impl/method_handler_impl.h", 
-      "include/grpc++/impl/proto_utils.h", 
-      "include/grpc++/impl/rpc_method.h", 
-      "include/grpc++/impl/rpc_service_method.h", 
-      "include/grpc++/impl/serialization_traits.h", 
-      "include/grpc++/impl/server_builder_option.h", 
-      "include/grpc++/impl/service_type.h", 
-      "include/grpc++/impl/sync.h", 
-      "include/grpc++/impl/sync_cxx11.h", 
-      "include/grpc++/impl/sync_no_cxx11.h", 
-      "include/grpc++/impl/thd.h", 
-      "include/grpc++/impl/thd_cxx11.h", 
-      "include/grpc++/impl/thd_no_cxx11.h", 
-      "include/grpc++/security/auth_context.h", 
-      "include/grpc++/security/auth_metadata_processor.h", 
-      "include/grpc++/security/credentials.h", 
-      "include/grpc++/security/server_credentials.h", 
-      "include/grpc++/server.h", 
-      "include/grpc++/server_builder.h", 
-      "include/grpc++/server_context.h", 
-      "include/grpc++/support/async_stream.h", 
-      "include/grpc++/support/async_unary_call.h", 
-      "include/grpc++/support/byte_buffer.h", 
-      "include/grpc++/support/channel_arguments.h", 
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc++/support/slice.h", 
-      "include/grpc++/support/status.h", 
-      "include/grpc++/support/status_code_enum.h", 
-      "include/grpc++/support/string_ref.h", 
-      "include/grpc++/support/stub_options.h", 
-      "include/grpc++/support/sync_stream.h", 
-      "include/grpc++/support/time.h", 
-      "src/cpp/client/channel.cc", 
-      "src/cpp/client/client_context.cc", 
-      "src/cpp/client/create_channel.cc", 
-      "src/cpp/client/create_channel_internal.cc", 
-      "src/cpp/client/create_channel_internal.h", 
-      "src/cpp/client/credentials.cc", 
-      "src/cpp/client/generic_stub.cc", 
-      "src/cpp/client/insecure_credentials.cc", 
       "src/cpp/client/secure_credentials.cc", 
       "src/cpp/client/secure_credentials.h", 
-      "src/cpp/codegen/codegen_init.cc", 
       "src/cpp/common/auth_property_iterator.cc", 
-      "src/cpp/common/channel_arguments.cc", 
-      "src/cpp/common/completion_queue.cc", 
-      "src/cpp/common/core_codegen.cc", 
       "src/cpp/common/core_codegen.h", 
-      "src/cpp/common/core_codegen.h", 
-      "src/cpp/common/create_auth_context.h", 
-      "src/cpp/common/rpc_method.cc", 
       "src/cpp/common/secure_auth_context.cc", 
       "src/cpp/common/secure_auth_context.h", 
       "src/cpp/common/secure_channel_arguments.cc", 
       "src/cpp/common/secure_create_auth_context.cc", 
-      "src/cpp/server/async_generic_service.cc", 
-      "src/cpp/server/create_default_thread_pool.cc", 
-      "src/cpp/server/dynamic_thread_pool.cc", 
-      "src/cpp/server/dynamic_thread_pool.h", 
-      "src/cpp/server/insecure_server_credentials.cc", 
       "src/cpp/server/secure_server_credentials.cc", 
-      "src/cpp/server/secure_server_credentials.h", 
-      "src/cpp/server/server.cc", 
-      "src/cpp/server/server_builder.cc", 
-      "src/cpp/server/server_context.cc", 
-      "src/cpp/server/server_credentials.cc", 
-      "src/cpp/server/thread_pool_interface.h", 
-      "src/cpp/util/byte_buffer.cc", 
-      "src/cpp/util/slice.cc", 
-      "src/cpp/util/status.cc", 
-      "src/cpp/util/string_ref.cc", 
-      "src/cpp/util/time.cc"
-    ], 
-    "third_party": false, 
-    "type": "lib"
-  }, 
-  {
-    "deps": [], 
-    "headers": [
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/core_codegen_interface.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h"
-    ], 
-    "language": "c++", 
-    "name": "grpc++_codegen_lib", 
-    "src": [
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/core_codegen_interface.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h", 
-      "src/cpp/codegen/codegen_init.cc"
+      "src/cpp/server/secure_server_credentials.h"
     ], 
     "third_party": false, 
     "type": "lib"
@@ -5358,230 +4369,33 @@
   {
     "deps": [
       "gpr", 
+      "grpc", 
+      "grpc++_base", 
+      "grpc++_codegen", 
       "grpc_unsecure"
     ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "grpc++_unsecure", 
+    "src": [
+      "src/cpp/common/insecure_create_auth_context.cc"
+    ], 
+    "third_party": false, 
+    "type": "lib"
+  }, 
+  {
+    "deps": [
+      "grpc++_config"
+    ], 
     "headers": [
-      "include/grpc++/alarm.h", 
-      "include/grpc++/channel.h", 
-      "include/grpc++/client_context.h", 
-      "include/grpc++/completion_queue.h", 
-      "include/grpc++/create_channel.h", 
-      "include/grpc++/generic/async_generic_service.h", 
-      "include/grpc++/generic/generic_stub.h", 
-      "include/grpc++/grpc++.h", 
-      "include/grpc++/impl/call.h", 
-      "include/grpc++/impl/client_unary_call.h", 
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/core_codegen_interface.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc++/impl/grpc_library.h", 
-      "include/grpc++/impl/method_handler_impl.h", 
-      "include/grpc++/impl/proto_utils.h", 
-      "include/grpc++/impl/rpc_method.h", 
-      "include/grpc++/impl/rpc_service_method.h", 
-      "include/grpc++/impl/serialization_traits.h", 
-      "include/grpc++/impl/server_builder_option.h", 
-      "include/grpc++/impl/service_type.h", 
-      "include/grpc++/impl/sync.h", 
-      "include/grpc++/impl/sync_cxx11.h", 
-      "include/grpc++/impl/sync_no_cxx11.h", 
-      "include/grpc++/impl/thd.h", 
-      "include/grpc++/impl/thd_cxx11.h", 
-      "include/grpc++/impl/thd_no_cxx11.h", 
-      "include/grpc++/security/auth_context.h", 
-      "include/grpc++/security/auth_metadata_processor.h", 
-      "include/grpc++/security/credentials.h", 
-      "include/grpc++/security/server_credentials.h", 
-      "include/grpc++/server.h", 
-      "include/grpc++/server_builder.h", 
-      "include/grpc++/server_context.h", 
-      "include/grpc++/support/async_stream.h", 
-      "include/grpc++/support/async_unary_call.h", 
-      "include/grpc++/support/byte_buffer.h", 
-      "include/grpc++/support/channel_arguments.h", 
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc++/support/slice.h", 
-      "include/grpc++/support/status.h", 
-      "include/grpc++/support/status_code_enum.h", 
-      "include/grpc++/support/string_ref.h", 
-      "include/grpc++/support/stub_options.h", 
-      "include/grpc++/support/sync_stream.h", 
-      "include/grpc++/support/time.h", 
-      "src/cpp/client/create_channel_internal.h", 
-      "src/cpp/common/core_codegen.h", 
-      "src/cpp/common/create_auth_context.h", 
-      "src/cpp/server/dynamic_thread_pool.h", 
-      "src/cpp/server/thread_pool_interface.h"
-    ], 
-    "language": "c++", 
-    "name": "grpc++_unsecure", 
-    "src": [
-      "include/grpc++/alarm.h", 
-      "include/grpc++/channel.h", 
-      "include/grpc++/client_context.h", 
-      "include/grpc++/completion_queue.h", 
-      "include/grpc++/create_channel.h", 
-      "include/grpc++/generic/async_generic_service.h", 
-      "include/grpc++/generic/generic_stub.h", 
-      "include/grpc++/grpc++.h", 
-      "include/grpc++/impl/call.h", 
-      "include/grpc++/impl/client_unary_call.h", 
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/core_codegen_interface.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc++/impl/grpc_library.h", 
-      "include/grpc++/impl/method_handler_impl.h", 
-      "include/grpc++/impl/proto_utils.h", 
-      "include/grpc++/impl/rpc_method.h", 
-      "include/grpc++/impl/rpc_service_method.h", 
-      "include/grpc++/impl/serialization_traits.h", 
-      "include/grpc++/impl/server_builder_option.h", 
-      "include/grpc++/impl/service_type.h", 
-      "include/grpc++/impl/sync.h", 
-      "include/grpc++/impl/sync_cxx11.h", 
-      "include/grpc++/impl/sync_no_cxx11.h", 
-      "include/grpc++/impl/thd.h", 
-      "include/grpc++/impl/thd_cxx11.h", 
-      "include/grpc++/impl/thd_no_cxx11.h", 
-      "include/grpc++/security/auth_context.h", 
-      "include/grpc++/security/auth_metadata_processor.h", 
-      "include/grpc++/security/credentials.h", 
-      "include/grpc++/security/server_credentials.h", 
-      "include/grpc++/server.h", 
-      "include/grpc++/server_builder.h", 
-      "include/grpc++/server_context.h", 
-      "include/grpc++/support/async_stream.h", 
-      "include/grpc++/support/async_unary_call.h", 
-      "include/grpc++/support/byte_buffer.h", 
-      "include/grpc++/support/channel_arguments.h", 
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc++/support/slice.h", 
-      "include/grpc++/support/status.h", 
-      "include/grpc++/support/status_code_enum.h", 
-      "include/grpc++/support/string_ref.h", 
-      "include/grpc++/support/stub_options.h", 
-      "include/grpc++/support/sync_stream.h", 
-      "include/grpc++/support/time.h", 
-      "src/cpp/client/channel.cc", 
-      "src/cpp/client/client_context.cc", 
-      "src/cpp/client/create_channel.cc", 
-      "src/cpp/client/create_channel_internal.cc", 
-      "src/cpp/client/create_channel_internal.h", 
-      "src/cpp/client/credentials.cc", 
-      "src/cpp/client/generic_stub.cc", 
-      "src/cpp/client/insecure_credentials.cc", 
-      "src/cpp/codegen/codegen_init.cc", 
-      "src/cpp/common/channel_arguments.cc", 
-      "src/cpp/common/completion_queue.cc", 
-      "src/cpp/common/core_codegen.cc", 
-      "src/cpp/common/core_codegen.h", 
-      "src/cpp/common/create_auth_context.h", 
-      "src/cpp/common/insecure_create_auth_context.cc", 
-      "src/cpp/common/rpc_method.cc", 
-      "src/cpp/server/async_generic_service.cc", 
-      "src/cpp/server/create_default_thread_pool.cc", 
-      "src/cpp/server/dynamic_thread_pool.cc", 
-      "src/cpp/server/dynamic_thread_pool.h", 
-      "src/cpp/server/insecure_server_credentials.cc", 
-      "src/cpp/server/server.cc", 
-      "src/cpp/server/server_builder.cc", 
-      "src/cpp/server/server_context.cc", 
-      "src/cpp/server/server_credentials.cc", 
-      "src/cpp/server/thread_pool_interface.h", 
-      "src/cpp/util/byte_buffer.cc", 
-      "src/cpp/util/slice.cc", 
-      "src/cpp/util/status.cc", 
-      "src/cpp/util/string_ref.cc", 
-      "src/cpp/util/time.cc"
-    ], 
-    "third_party": false, 
-    "type": "lib"
-  }, 
-  {
-    "deps": [
-      "grpc++_codegen_lib"
-    ], 
-    "headers": [
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h", 
       "src/compiler/config.h", 
       "src/compiler/cpp_generator.h", 
       "src/compiler/cpp_generator_helpers.h", 
       "src/compiler/csharp_generator.h", 
       "src/compiler/csharp_generator_helpers.h", 
       "src/compiler/generator_helpers.h", 
+      "src/compiler/node_generator.h", 
+      "src/compiler/node_generator_helpers.h", 
       "src/compiler/objective_c_generator.h", 
       "src/compiler/objective_c_generator_helpers.h", 
       "src/compiler/python_generator.h", 
@@ -5593,22 +4407,6 @@
     "language": "c++", 
     "name": "grpc_plugin_support", 
     "src": [
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h", 
       "src/compiler/config.h", 
       "src/compiler/cpp_generator.cc", 
       "src/compiler/cpp_generator.h", 
@@ -5617,6 +4415,9 @@
       "src/compiler/csharp_generator.h", 
       "src/compiler/csharp_generator_helpers.h", 
       "src/compiler/generator_helpers.h", 
+      "src/compiler/node_generator.cc", 
+      "src/compiler/node_generator.h", 
+      "src/compiler/node_generator_helpers.h", 
       "src/compiler/objective_c_generator.cc", 
       "src/compiler/objective_c_generator.h", 
       "src/compiler/objective_c_generator_helpers.h", 
@@ -5817,12 +4618,12 @@
       "third_party/boringssl/crypto/cipher/internal.h", 
       "third_party/boringssl/crypto/conf/conf_def.h", 
       "third_party/boringssl/crypto/conf/internal.h", 
+      "third_party/boringssl/crypto/curve25519/internal.h", 
       "third_party/boringssl/crypto/des/internal.h", 
       "third_party/boringssl/crypto/dh/internal.h", 
       "third_party/boringssl/crypto/digest/internal.h", 
       "third_party/boringssl/crypto/digest/md32_common.h", 
       "third_party/boringssl/crypto/directory.h", 
-      "third_party/boringssl/crypto/dsa/internal.h", 
       "third_party/boringssl/crypto/ec/internal.h", 
       "third_party/boringssl/crypto/ec/p256-x86_64-table.h", 
       "third_party/boringssl/crypto/evp/internal.h", 
@@ -5945,6 +4746,18 @@
     "third_party": true, 
     "type": "lib"
   }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_asn1_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
   {
     "deps": [
       "boringssl", 
@@ -6317,6 +5130,18 @@
     "third_party": true, 
     "type": "lib"
   }, 
+  {
+    "deps": [
+      "boringssl", 
+      "boringssl_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "boringssl_x509_test_lib", 
+    "src": [], 
+    "third_party": true, 
+    "type": "lib"
+  }, 
   {
     "deps": [
       "boringssl", 
@@ -6455,9 +5280,11 @@
       "test/core/end2end/tests/default_host.c", 
       "test/core/end2end/tests/disappearing_server.c", 
       "test/core/end2end/tests/empty_batch.c", 
+      "test/core/end2end/tests/filter_causes_close.c", 
       "test/core/end2end/tests/graceful_server_shutdown.c", 
       "test/core/end2end/tests/high_initial_seqno.c", 
       "test/core/end2end/tests/hpack_size.c", 
+      "test/core/end2end/tests/idempotent_request.c", 
       "test/core/end2end/tests/invoke_large_request.c", 
       "test/core/end2end/tests/large_metadata.c", 
       "test/core/end2end/tests/max_concurrent_streams.c", 
@@ -6511,9 +5338,11 @@
       "test/core/end2end/tests/default_host.c", 
       "test/core/end2end/tests/disappearing_server.c", 
       "test/core/end2end/tests/empty_batch.c", 
+      "test/core/end2end/tests/filter_causes_close.c", 
       "test/core/end2end/tests/graceful_server_shutdown.c", 
       "test/core/end2end/tests/high_initial_seqno.c", 
       "test/core/end2end/tests/hpack_size.c", 
+      "test/core/end2end/tests/idempotent_request.c", 
       "test/core/end2end/tests/invoke_large_request.c", 
       "test/core/end2end/tests/large_metadata.c", 
       "test/core/end2end/tests/max_concurrent_streams.c", 
@@ -6536,5 +5365,1177 @@
     ], 
     "third_party": false, 
     "type": "lib"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc_base"
+    ], 
+    "headers": [
+      "include/grpc/census.h", 
+      "src/core/ext/census/aggregation.h", 
+      "src/core/ext/census/census_interface.h", 
+      "src/core/ext/census/census_rpc_stats.h", 
+      "src/core/ext/census/grpc_filter.h", 
+      "src/core/ext/census/mlog.h", 
+      "src/core/ext/census/rpc_metric_id.h"
+    ], 
+    "language": "c", 
+    "name": "census", 
+    "src": [
+      "include/grpc/census.h", 
+      "src/core/ext/census/aggregation.h", 
+      "src/core/ext/census/census_interface.h", 
+      "src/core/ext/census/census_rpc_stats.h", 
+      "src/core/ext/census/context.c", 
+      "src/core/ext/census/grpc_context.c", 
+      "src/core/ext/census/grpc_filter.c", 
+      "src/core/ext/census/grpc_filter.h", 
+      "src/core/ext/census/grpc_plugin.c", 
+      "src/core/ext/census/initialize.c", 
+      "src/core/ext/census/mlog.c", 
+      "src/core/ext/census/mlog.h", 
+      "src/core/ext/census/operation.c", 
+      "src/core/ext/census/placeholders.c", 
+      "src/core/ext/census/rpc_metric_id.h", 
+      "src/core/ext/census/tracing.c"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "gpr_codegen"
+    ], 
+    "headers": [
+      "include/grpc/support/alloc.h", 
+      "include/grpc/support/atm.h", 
+      "include/grpc/support/atm_gcc_atomic.h", 
+      "include/grpc/support/atm_gcc_sync.h", 
+      "include/grpc/support/atm_win32.h", 
+      "include/grpc/support/avl.h", 
+      "include/grpc/support/cmdline.h", 
+      "include/grpc/support/cpu.h", 
+      "include/grpc/support/histogram.h", 
+      "include/grpc/support/host_port.h", 
+      "include/grpc/support/log.h", 
+      "include/grpc/support/log_win32.h", 
+      "include/grpc/support/port_platform.h", 
+      "include/grpc/support/slice.h", 
+      "include/grpc/support/slice_buffer.h", 
+      "include/grpc/support/string_util.h", 
+      "include/grpc/support/subprocess.h", 
+      "include/grpc/support/sync.h", 
+      "include/grpc/support/sync_generic.h", 
+      "include/grpc/support/sync_posix.h", 
+      "include/grpc/support/sync_win32.h", 
+      "include/grpc/support/thd.h", 
+      "include/grpc/support/time.h", 
+      "include/grpc/support/tls.h", 
+      "include/grpc/support/tls_gcc.h", 
+      "include/grpc/support/tls_msvc.h", 
+      "include/grpc/support/tls_pthread.h", 
+      "include/grpc/support/useful.h", 
+      "src/core/lib/profiling/timers.h", 
+      "src/core/lib/support/backoff.h", 
+      "src/core/lib/support/block_annotate.h", 
+      "src/core/lib/support/env.h", 
+      "src/core/lib/support/load_file.h", 
+      "src/core/lib/support/murmur_hash.h", 
+      "src/core/lib/support/stack_lockfree.h", 
+      "src/core/lib/support/string.h", 
+      "src/core/lib/support/string_win32.h", 
+      "src/core/lib/support/thd_internal.h", 
+      "src/core/lib/support/time_precise.h", 
+      "src/core/lib/support/tmpfile.h"
+    ], 
+    "language": "c", 
+    "name": "gpr_base", 
+    "src": [
+      "include/grpc/support/alloc.h", 
+      "include/grpc/support/atm.h", 
+      "include/grpc/support/atm_gcc_atomic.h", 
+      "include/grpc/support/atm_gcc_sync.h", 
+      "include/grpc/support/atm_win32.h", 
+      "include/grpc/support/avl.h", 
+      "include/grpc/support/cmdline.h", 
+      "include/grpc/support/cpu.h", 
+      "include/grpc/support/histogram.h", 
+      "include/grpc/support/host_port.h", 
+      "include/grpc/support/log.h", 
+      "include/grpc/support/log_win32.h", 
+      "include/grpc/support/port_platform.h", 
+      "include/grpc/support/slice.h", 
+      "include/grpc/support/slice_buffer.h", 
+      "include/grpc/support/string_util.h", 
+      "include/grpc/support/subprocess.h", 
+      "include/grpc/support/sync.h", 
+      "include/grpc/support/sync_generic.h", 
+      "include/grpc/support/sync_posix.h", 
+      "include/grpc/support/sync_win32.h", 
+      "include/grpc/support/thd.h", 
+      "include/grpc/support/time.h", 
+      "include/grpc/support/tls.h", 
+      "include/grpc/support/tls_gcc.h", 
+      "include/grpc/support/tls_msvc.h", 
+      "include/grpc/support/tls_pthread.h", 
+      "include/grpc/support/useful.h", 
+      "src/core/lib/profiling/basic_timers.c", 
+      "src/core/lib/profiling/stap_timers.c", 
+      "src/core/lib/profiling/timers.h", 
+      "src/core/lib/support/alloc.c", 
+      "src/core/lib/support/avl.c", 
+      "src/core/lib/support/backoff.c", 
+      "src/core/lib/support/backoff.h", 
+      "src/core/lib/support/block_annotate.h", 
+      "src/core/lib/support/cmdline.c", 
+      "src/core/lib/support/cpu_iphone.c", 
+      "src/core/lib/support/cpu_linux.c", 
+      "src/core/lib/support/cpu_posix.c", 
+      "src/core/lib/support/cpu_windows.c", 
+      "src/core/lib/support/env.h", 
+      "src/core/lib/support/env_linux.c", 
+      "src/core/lib/support/env_posix.c", 
+      "src/core/lib/support/env_win32.c", 
+      "src/core/lib/support/histogram.c", 
+      "src/core/lib/support/host_port.c", 
+      "src/core/lib/support/load_file.c", 
+      "src/core/lib/support/load_file.h", 
+      "src/core/lib/support/log.c", 
+      "src/core/lib/support/log_android.c", 
+      "src/core/lib/support/log_linux.c", 
+      "src/core/lib/support/log_posix.c", 
+      "src/core/lib/support/log_win32.c", 
+      "src/core/lib/support/murmur_hash.c", 
+      "src/core/lib/support/murmur_hash.h", 
+      "src/core/lib/support/slice.c", 
+      "src/core/lib/support/slice_buffer.c", 
+      "src/core/lib/support/stack_lockfree.c", 
+      "src/core/lib/support/stack_lockfree.h", 
+      "src/core/lib/support/string.c", 
+      "src/core/lib/support/string.h", 
+      "src/core/lib/support/string_posix.c", 
+      "src/core/lib/support/string_win32.c", 
+      "src/core/lib/support/string_win32.h", 
+      "src/core/lib/support/subprocess_posix.c", 
+      "src/core/lib/support/subprocess_windows.c", 
+      "src/core/lib/support/sync.c", 
+      "src/core/lib/support/sync_posix.c", 
+      "src/core/lib/support/sync_win32.c", 
+      "src/core/lib/support/thd.c", 
+      "src/core/lib/support/thd_internal.h", 
+      "src/core/lib/support/thd_posix.c", 
+      "src/core/lib/support/thd_win32.c", 
+      "src/core/lib/support/time.c", 
+      "src/core/lib/support/time_posix.c", 
+      "src/core/lib/support/time_precise.c", 
+      "src/core/lib/support/time_precise.h", 
+      "src/core/lib/support/time_win32.c", 
+      "src/core/lib/support/tls_pthread.c", 
+      "src/core/lib/support/tmpfile.h", 
+      "src/core/lib/support/tmpfile_posix.c", 
+      "src/core/lib/support/tmpfile_win32.c", 
+      "src/core/lib/support/wrap_memcpy.c"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [], 
+    "headers": [
+      "include/grpc/impl/codegen/alloc.h", 
+      "include/grpc/impl/codegen/atm.h", 
+      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
+      "include/grpc/impl/codegen/atm_gcc_sync.h", 
+      "include/grpc/impl/codegen/atm_win32.h", 
+      "include/grpc/impl/codegen/log.h", 
+      "include/grpc/impl/codegen/port_platform.h", 
+      "include/grpc/impl/codegen/slice.h", 
+      "include/grpc/impl/codegen/slice_buffer.h", 
+      "include/grpc/impl/codegen/sync.h", 
+      "include/grpc/impl/codegen/sync_generic.h", 
+      "include/grpc/impl/codegen/sync_posix.h", 
+      "include/grpc/impl/codegen/sync_win32.h", 
+      "include/grpc/impl/codegen/time.h"
+    ], 
+    "language": "c", 
+    "name": "gpr_codegen", 
+    "src": [
+      "include/grpc/impl/codegen/alloc.h", 
+      "include/grpc/impl/codegen/atm.h", 
+      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
+      "include/grpc/impl/codegen/atm_gcc_sync.h", 
+      "include/grpc/impl/codegen/atm_win32.h", 
+      "include/grpc/impl/codegen/log.h", 
+      "include/grpc/impl/codegen/port_platform.h", 
+      "include/grpc/impl/codegen/slice.h", 
+      "include/grpc/impl/codegen/slice_buffer.h", 
+      "include/grpc/impl/codegen/sync.h", 
+      "include/grpc/impl/codegen/sync_generic.h", 
+      "include/grpc/impl/codegen/sync_posix.h", 
+      "include/grpc/impl/codegen/sync_win32.h", 
+      "include/grpc/impl/codegen/time.h"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc_codegen"
+    ], 
+    "headers": [
+      "include/grpc/byte_buffer.h", 
+      "include/grpc/byte_buffer_reader.h", 
+      "include/grpc/compression.h", 
+      "include/grpc/grpc.h", 
+      "include/grpc/status.h", 
+      "src/core/lib/channel/channel_args.h", 
+      "src/core/lib/channel/channel_stack.h", 
+      "src/core/lib/channel/channel_stack_builder.h", 
+      "src/core/lib/channel/compress_filter.h", 
+      "src/core/lib/channel/connected_channel.h", 
+      "src/core/lib/channel/context.h", 
+      "src/core/lib/channel/http_client_filter.h", 
+      "src/core/lib/channel/http_server_filter.h", 
+      "src/core/lib/compression/algorithm_metadata.h", 
+      "src/core/lib/compression/message_compress.h", 
+      "src/core/lib/debug/trace.h", 
+      "src/core/lib/http/format_request.h", 
+      "src/core/lib/http/httpcli.h", 
+      "src/core/lib/http/parser.h", 
+      "src/core/lib/iomgr/closure.h", 
+      "src/core/lib/iomgr/endpoint.h", 
+      "src/core/lib/iomgr/endpoint_pair.h", 
+      "src/core/lib/iomgr/ev_poll_and_epoll_posix.h", 
+      "src/core/lib/iomgr/ev_posix.h", 
+      "src/core/lib/iomgr/exec_ctx.h", 
+      "src/core/lib/iomgr/executor.h", 
+      "src/core/lib/iomgr/iocp_windows.h", 
+      "src/core/lib/iomgr/iomgr.h", 
+      "src/core/lib/iomgr/iomgr_internal.h", 
+      "src/core/lib/iomgr/iomgr_posix.h", 
+      "src/core/lib/iomgr/pollset.h", 
+      "src/core/lib/iomgr/pollset_set.h", 
+      "src/core/lib/iomgr/pollset_set_windows.h", 
+      "src/core/lib/iomgr/pollset_windows.h", 
+      "src/core/lib/iomgr/resolve_address.h", 
+      "src/core/lib/iomgr/sockaddr.h", 
+      "src/core/lib/iomgr/sockaddr_posix.h", 
+      "src/core/lib/iomgr/sockaddr_utils.h", 
+      "src/core/lib/iomgr/sockaddr_win32.h", 
+      "src/core/lib/iomgr/socket_utils_posix.h", 
+      "src/core/lib/iomgr/socket_windows.h", 
+      "src/core/lib/iomgr/tcp_client.h", 
+      "src/core/lib/iomgr/tcp_posix.h", 
+      "src/core/lib/iomgr/tcp_server.h", 
+      "src/core/lib/iomgr/tcp_windows.h", 
+      "src/core/lib/iomgr/time_averaged_stats.h", 
+      "src/core/lib/iomgr/timer.h", 
+      "src/core/lib/iomgr/timer_heap.h", 
+      "src/core/lib/iomgr/udp_server.h", 
+      "src/core/lib/iomgr/unix_sockets_posix.h", 
+      "src/core/lib/iomgr/wakeup_fd_pipe.h", 
+      "src/core/lib/iomgr/wakeup_fd_posix.h", 
+      "src/core/lib/iomgr/workqueue.h", 
+      "src/core/lib/iomgr/workqueue_posix.h", 
+      "src/core/lib/iomgr/workqueue_windows.h", 
+      "src/core/lib/json/json.h", 
+      "src/core/lib/json/json_common.h", 
+      "src/core/lib/json/json_reader.h", 
+      "src/core/lib/json/json_writer.h", 
+      "src/core/lib/surface/api_trace.h", 
+      "src/core/lib/surface/call.h", 
+      "src/core/lib/surface/call_test_only.h", 
+      "src/core/lib/surface/channel.h", 
+      "src/core/lib/surface/channel_init.h", 
+      "src/core/lib/surface/channel_stack_type.h", 
+      "src/core/lib/surface/completion_queue.h", 
+      "src/core/lib/surface/event_string.h", 
+      "src/core/lib/surface/init.h", 
+      "src/core/lib/surface/lame_client.h", 
+      "src/core/lib/surface/server.h", 
+      "src/core/lib/surface/surface_trace.h", 
+      "src/core/lib/transport/byte_stream.h", 
+      "src/core/lib/transport/connectivity_state.h", 
+      "src/core/lib/transport/metadata.h", 
+      "src/core/lib/transport/metadata_batch.h", 
+      "src/core/lib/transport/static_metadata.h", 
+      "src/core/lib/transport/transport.h", 
+      "src/core/lib/transport/transport_impl.h"
+    ], 
+    "language": "c", 
+    "name": "grpc_base", 
+    "src": [
+      "include/grpc/byte_buffer.h", 
+      "include/grpc/byte_buffer_reader.h", 
+      "include/grpc/compression.h", 
+      "include/grpc/grpc.h", 
+      "include/grpc/status.h", 
+      "src/core/lib/channel/channel_args.c", 
+      "src/core/lib/channel/channel_args.h", 
+      "src/core/lib/channel/channel_stack.c", 
+      "src/core/lib/channel/channel_stack.h", 
+      "src/core/lib/channel/channel_stack_builder.c", 
+      "src/core/lib/channel/channel_stack_builder.h", 
+      "src/core/lib/channel/compress_filter.c", 
+      "src/core/lib/channel/compress_filter.h", 
+      "src/core/lib/channel/connected_channel.c", 
+      "src/core/lib/channel/connected_channel.h", 
+      "src/core/lib/channel/context.h", 
+      "src/core/lib/channel/http_client_filter.c", 
+      "src/core/lib/channel/http_client_filter.h", 
+      "src/core/lib/channel/http_server_filter.c", 
+      "src/core/lib/channel/http_server_filter.h", 
+      "src/core/lib/compression/algorithm_metadata.h", 
+      "src/core/lib/compression/compression_algorithm.c", 
+      "src/core/lib/compression/message_compress.c", 
+      "src/core/lib/compression/message_compress.h", 
+      "src/core/lib/debug/trace.c", 
+      "src/core/lib/debug/trace.h", 
+      "src/core/lib/http/format_request.c", 
+      "src/core/lib/http/format_request.h", 
+      "src/core/lib/http/httpcli.c", 
+      "src/core/lib/http/httpcli.h", 
+      "src/core/lib/http/parser.c", 
+      "src/core/lib/http/parser.h", 
+      "src/core/lib/iomgr/closure.c", 
+      "src/core/lib/iomgr/closure.h", 
+      "src/core/lib/iomgr/endpoint.c", 
+      "src/core/lib/iomgr/endpoint.h", 
+      "src/core/lib/iomgr/endpoint_pair.h", 
+      "src/core/lib/iomgr/endpoint_pair_posix.c", 
+      "src/core/lib/iomgr/endpoint_pair_windows.c", 
+      "src/core/lib/iomgr/ev_poll_and_epoll_posix.c", 
+      "src/core/lib/iomgr/ev_poll_and_epoll_posix.h", 
+      "src/core/lib/iomgr/ev_posix.c", 
+      "src/core/lib/iomgr/ev_posix.h", 
+      "src/core/lib/iomgr/exec_ctx.c", 
+      "src/core/lib/iomgr/exec_ctx.h", 
+      "src/core/lib/iomgr/executor.c", 
+      "src/core/lib/iomgr/executor.h", 
+      "src/core/lib/iomgr/iocp_windows.c", 
+      "src/core/lib/iomgr/iocp_windows.h", 
+      "src/core/lib/iomgr/iomgr.c", 
+      "src/core/lib/iomgr/iomgr.h", 
+      "src/core/lib/iomgr/iomgr_internal.h", 
+      "src/core/lib/iomgr/iomgr_posix.c", 
+      "src/core/lib/iomgr/iomgr_posix.h", 
+      "src/core/lib/iomgr/iomgr_windows.c", 
+      "src/core/lib/iomgr/pollset.h", 
+      "src/core/lib/iomgr/pollset_set.h", 
+      "src/core/lib/iomgr/pollset_set_windows.c", 
+      "src/core/lib/iomgr/pollset_set_windows.h", 
+      "src/core/lib/iomgr/pollset_windows.c", 
+      "src/core/lib/iomgr/pollset_windows.h", 
+      "src/core/lib/iomgr/resolve_address.h", 
+      "src/core/lib/iomgr/resolve_address_posix.c", 
+      "src/core/lib/iomgr/resolve_address_windows.c", 
+      "src/core/lib/iomgr/sockaddr.h", 
+      "src/core/lib/iomgr/sockaddr_posix.h", 
+      "src/core/lib/iomgr/sockaddr_utils.c", 
+      "src/core/lib/iomgr/sockaddr_utils.h", 
+      "src/core/lib/iomgr/sockaddr_win32.h", 
+      "src/core/lib/iomgr/socket_utils_common_posix.c", 
+      "src/core/lib/iomgr/socket_utils_linux.c", 
+      "src/core/lib/iomgr/socket_utils_posix.c", 
+      "src/core/lib/iomgr/socket_utils_posix.h", 
+      "src/core/lib/iomgr/socket_windows.c", 
+      "src/core/lib/iomgr/socket_windows.h", 
+      "src/core/lib/iomgr/tcp_client.h", 
+      "src/core/lib/iomgr/tcp_client_posix.c", 
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+      "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc_base", 
+      "grpc_secure", 
+      "grpc_transport_chttp2"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "grpc_transport_chttp2_server_secure", 
+    "src": [
+      "src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [], 
+    "headers": [
+      "third_party/nanopb/pb.h", 
+      "third_party/nanopb/pb_common.h", 
+      "third_party/nanopb/pb_decode.h", 
+      "third_party/nanopb/pb_encode.h"
+    ], 
+    "language": "c", 
+    "name": "nanopb", 
+    "src": [], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "gpr"
+    ], 
+    "headers": [
+      "src/core/lib/tsi/fake_transport_security.h", 
+      "src/core/lib/tsi/ssl_transport_security.h", 
+      "src/core/lib/tsi/ssl_types.h", 
+      "src/core/lib/tsi/transport_security.h", 
+      "src/core/lib/tsi/transport_security_interface.h"
+    ], 
+    "language": "c", 
+    "name": "tsi", 
+    "src": [
+      "src/core/lib/tsi/fake_transport_security.c", 
+      "src/core/lib/tsi/fake_transport_security.h", 
+      "src/core/lib/tsi/ssl_transport_security.c", 
+      "src/core/lib/tsi/ssl_transport_security.h", 
+      "src/core/lib/tsi/ssl_types.h", 
+      "src/core/lib/tsi/transport_security.c", 
+      "src/core/lib/tsi/transport_security.h", 
+      "src/core/lib/tsi/transport_security_interface.h"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "grpc", 
+      "grpc++_codegen", 
+      "grpc++_config"
+    ], 
+    "headers": [
+      "include/grpc++/alarm.h", 
+      "include/grpc++/channel.h", 
+      "include/grpc++/client_context.h", 
+      "include/grpc++/completion_queue.h", 
+      "include/grpc++/create_channel.h", 
+      "include/grpc++/generic/async_generic_service.h", 
+      "include/grpc++/generic/generic_stub.h", 
+      "include/grpc++/grpc++.h", 
+      "include/grpc++/impl/call.h", 
+      "include/grpc++/impl/client_unary_call.h", 
+      "include/grpc++/impl/grpc_library.h", 
+      "include/grpc++/impl/method_handler_impl.h", 
+      "include/grpc++/impl/proto_utils.h", 
+      "include/grpc++/impl/rpc_method.h", 
+      "include/grpc++/impl/rpc_service_method.h", 
+      "include/grpc++/impl/serialization_traits.h", 
+      "include/grpc++/impl/server_builder_option.h", 
+      "include/grpc++/impl/service_type.h", 
+      "include/grpc++/impl/sync.h", 
+      "include/grpc++/impl/sync_cxx11.h", 
+      "include/grpc++/impl/sync_no_cxx11.h", 
+      "include/grpc++/impl/thd.h", 
+      "include/grpc++/impl/thd_cxx11.h", 
+      "include/grpc++/impl/thd_no_cxx11.h", 
+      "include/grpc++/security/auth_context.h", 
+      "include/grpc++/security/auth_metadata_processor.h", 
+      "include/grpc++/security/credentials.h", 
+      "include/grpc++/security/server_credentials.h", 
+      "include/grpc++/server.h", 
+      "include/grpc++/server_builder.h", 
+      "include/grpc++/server_context.h", 
+      "include/grpc++/support/async_stream.h", 
+      "include/grpc++/support/async_unary_call.h", 
+      "include/grpc++/support/byte_buffer.h", 
+      "include/grpc++/support/channel_arguments.h", 
+      "include/grpc++/support/slice.h", 
+      "include/grpc++/support/status.h", 
+      "include/grpc++/support/status_code_enum.h", 
+      "include/grpc++/support/string_ref.h", 
+      "include/grpc++/support/stub_options.h", 
+      "include/grpc++/support/sync_stream.h", 
+      "include/grpc++/support/time.h", 
+      "src/cpp/client/create_channel_internal.h", 
+      "src/cpp/common/core_codegen.h", 
+      "src/cpp/server/dynamic_thread_pool.h", 
+      "src/cpp/server/thread_pool_interface.h"
+    ], 
+    "language": "c++", 
+    "name": "grpc++_base", 
+    "src": [
+      "include/grpc++/alarm.h", 
+      "include/grpc++/channel.h", 
+      "include/grpc++/client_context.h", 
+      "include/grpc++/completion_queue.h", 
+      "include/grpc++/create_channel.h", 
+      "include/grpc++/generic/async_generic_service.h", 
+      "include/grpc++/generic/generic_stub.h", 
+      "include/grpc++/grpc++.h", 
+      "include/grpc++/impl/call.h", 
+      "include/grpc++/impl/client_unary_call.h", 
+      "include/grpc++/impl/grpc_library.h", 
+      "include/grpc++/impl/method_handler_impl.h", 
+      "include/grpc++/impl/proto_utils.h", 
+      "include/grpc++/impl/rpc_method.h", 
+      "include/grpc++/impl/rpc_service_method.h", 
+      "include/grpc++/impl/serialization_traits.h", 
+      "include/grpc++/impl/server_builder_option.h", 
+      "include/grpc++/impl/service_type.h", 
+      "include/grpc++/impl/sync.h", 
+      "include/grpc++/impl/sync_cxx11.h", 
+      "include/grpc++/impl/sync_no_cxx11.h", 
+      "include/grpc++/impl/thd.h", 
+      "include/grpc++/impl/thd_cxx11.h", 
+      "include/grpc++/impl/thd_no_cxx11.h", 
+      "include/grpc++/security/auth_context.h", 
+      "include/grpc++/security/auth_metadata_processor.h", 
+      "include/grpc++/security/credentials.h", 
+      "include/grpc++/security/server_credentials.h", 
+      "include/grpc++/server.h", 
+      "include/grpc++/server_builder.h", 
+      "include/grpc++/server_context.h", 
+      "include/grpc++/support/async_stream.h", 
+      "include/grpc++/support/async_unary_call.h", 
+      "include/grpc++/support/byte_buffer.h", 
+      "include/grpc++/support/channel_arguments.h", 
+      "include/grpc++/support/slice.h", 
+      "include/grpc++/support/status.h", 
+      "include/grpc++/support/status_code_enum.h", 
+      "include/grpc++/support/string_ref.h", 
+      "include/grpc++/support/stub_options.h", 
+      "include/grpc++/support/sync_stream.h", 
+      "include/grpc++/support/time.h", 
+      "src/cpp/client/channel.cc", 
+      "src/cpp/client/client_context.cc", 
+      "src/cpp/client/create_channel.cc", 
+      "src/cpp/client/create_channel_internal.cc", 
+      "src/cpp/client/create_channel_internal.h", 
+      "src/cpp/client/credentials.cc", 
+      "src/cpp/client/generic_stub.cc", 
+      "src/cpp/client/insecure_credentials.cc", 
+      "src/cpp/common/channel_arguments.cc", 
+      "src/cpp/common/completion_queue.cc", 
+      "src/cpp/common/core_codegen.cc", 
+      "src/cpp/common/core_codegen.h", 
+      "src/cpp/common/rpc_method.cc", 
+      "src/cpp/server/async_generic_service.cc", 
+      "src/cpp/server/create_default_thread_pool.cc", 
+      "src/cpp/server/dynamic_thread_pool.cc", 
+      "src/cpp/server/dynamic_thread_pool.h", 
+      "src/cpp/server/insecure_server_credentials.cc", 
+      "src/cpp/server/server.cc", 
+      "src/cpp/server/server_builder.cc", 
+      "src/cpp/server/server_context.cc", 
+      "src/cpp/server/server_credentials.cc", 
+      "src/cpp/server/thread_pool_interface.h", 
+      "src/cpp/util/byte_buffer.cc", 
+      "src/cpp/util/slice.cc", 
+      "src/cpp/util/status.cc", 
+      "src/cpp/util/string_ref.cc", 
+      "src/cpp/util/time.cc"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "grpc++_config_codegen", 
+      "grpc_codegen"
+    ], 
+    "headers": [
+      "include/grpc++/impl/codegen/async_stream.h", 
+      "include/grpc++/impl/codegen/async_unary_call.h", 
+      "include/grpc++/impl/codegen/call.h", 
+      "include/grpc++/impl/codegen/call_hook.h", 
+      "include/grpc++/impl/codegen/channel_interface.h", 
+      "include/grpc++/impl/codegen/client_context.h", 
+      "include/grpc++/impl/codegen/client_unary_call.h", 
+      "include/grpc++/impl/codegen/completion_queue.h", 
+      "include/grpc++/impl/codegen/completion_queue_tag.h", 
+      "include/grpc++/impl/codegen/core_codegen_interface.h", 
+      "include/grpc++/impl/codegen/create_auth_context.h", 
+      "include/grpc++/impl/codegen/grpc_library.h", 
+      "include/grpc++/impl/codegen/method_handler_impl.h", 
+      "include/grpc++/impl/codegen/proto_utils.h", 
+      "include/grpc++/impl/codegen/rpc_method.h", 
+      "include/grpc++/impl/codegen/rpc_service_method.h", 
+      "include/grpc++/impl/codegen/security/auth_context.h", 
+      "include/grpc++/impl/codegen/serialization_traits.h", 
+      "include/grpc++/impl/codegen/server_context.h", 
+      "include/grpc++/impl/codegen/server_interface.h", 
+      "include/grpc++/impl/codegen/service_type.h", 
+      "include/grpc++/impl/codegen/status.h", 
+      "include/grpc++/impl/codegen/status_code_enum.h", 
+      "include/grpc++/impl/codegen/string_ref.h", 
+      "include/grpc++/impl/codegen/stub_options.h", 
+      "include/grpc++/impl/codegen/sync.h", 
+      "include/grpc++/impl/codegen/sync_cxx11.h", 
+      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
+      "include/grpc++/impl/codegen/sync_stream.h", 
+      "include/grpc++/impl/codegen/time.h"
+    ], 
+    "language": "c++", 
+    "name": "grpc++_codegen", 
+    "src": [
+      "include/grpc++/impl/codegen/async_stream.h", 
+      "include/grpc++/impl/codegen/async_unary_call.h", 
+      "include/grpc++/impl/codegen/call.h", 
+      "include/grpc++/impl/codegen/call_hook.h", 
+      "include/grpc++/impl/codegen/channel_interface.h", 
+      "include/grpc++/impl/codegen/client_context.h", 
+      "include/grpc++/impl/codegen/client_unary_call.h", 
+      "include/grpc++/impl/codegen/completion_queue.h", 
+      "include/grpc++/impl/codegen/completion_queue_tag.h", 
+      "include/grpc++/impl/codegen/core_codegen_interface.h", 
+      "include/grpc++/impl/codegen/create_auth_context.h", 
+      "include/grpc++/impl/codegen/grpc_library.h", 
+      "include/grpc++/impl/codegen/method_handler_impl.h", 
+      "include/grpc++/impl/codegen/proto_utils.h", 
+      "include/grpc++/impl/codegen/rpc_method.h", 
+      "include/grpc++/impl/codegen/rpc_service_method.h", 
+      "include/grpc++/impl/codegen/security/auth_context.h", 
+      "include/grpc++/impl/codegen/serialization_traits.h", 
+      "include/grpc++/impl/codegen/server_context.h", 
+      "include/grpc++/impl/codegen/server_interface.h", 
+      "include/grpc++/impl/codegen/service_type.h", 
+      "include/grpc++/impl/codegen/status.h", 
+      "include/grpc++/impl/codegen/status_code_enum.h", 
+      "include/grpc++/impl/codegen/string_ref.h", 
+      "include/grpc++/impl/codegen/stub_options.h", 
+      "include/grpc++/impl/codegen/sync.h", 
+      "include/grpc++/impl/codegen/sync_cxx11.h", 
+      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
+      "include/grpc++/impl/codegen/sync_stream.h", 
+      "include/grpc++/impl/codegen/time.h", 
+      "src/cpp/codegen/codegen_init.cc"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "grpc++_config_codegen"
+    ], 
+    "headers": [
+      "include/grpc++/support/config.h", 
+      "include/grpc++/support/config_protobuf.h"
+    ], 
+    "language": "c++", 
+    "name": "grpc++_config", 
+    "src": [
+      "include/grpc++/support/config.h", 
+      "include/grpc++/support/config_protobuf.h"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [], 
+    "headers": [
+      "include/grpc++/impl/codegen/config.h", 
+      "include/grpc++/impl/codegen/config_protobuf.h"
+    ], 
+    "language": "c++", 
+    "name": "grpc++_config_codegen", 
+    "src": [
+      "include/grpc++/impl/codegen/config.h", 
+      "include/grpc++/impl/codegen/config_protobuf.h"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
   }
 ]
diff --git a/tools/run_tests/stress_test/README.md b/tools/run_tests/stress_test/README.md
index 80e4cd58f0a469af0255d906c07a04a5ad6a1c5f..cc82b875cddd3aabf6ee458c190bf7ea9972815d 100644
--- a/tools/run_tests/stress_test/README.md
+++ b/tools/run_tests/stress_test/README.md
@@ -30,6 +30,27 @@
 3. Install Google Cloud SDK. Instructions [here](https://cloud.google.com/sdk/). This installs the `gcloud` tool
 4. Install `kubectl`, Kubernetes command line tool using `gcloud`. i.e
     - `$ gcloud components update kubectl`
+    - NOTE: If you are running this from a GCE instance, the command may fail with the following error:
+    ```
+     You cannot perform this action because this Cloud SDK installation is 
+     managed by an external package manager. If you would like to get the
+     latest version, please see our main download page at:
+
+     https://developers.google.com/cloud/sdk/
+
+     ERROR: (gcloud.components.update) The component manager is disabled for this installation
+    ```
+    -- If so, you will have to manually install Cloud SDK by doing the following
+    ```shell
+      $ # The following installs latest Cloud SDK and updates the PATH
+      $ # (Accept the default values when prompted)
+      $ curl https://sdk.cloud.google.com | bash
+      $ exec -l $SHELL
+      $ # Set the defaults. Pick the default GCE credentials when prompted (The service account
+      $ # name will have a name similar to: "xxx-compute@developer.gserviceaccount.com")
+      $ gcloud init
+    ``` 
+
 5. Install Google python client apis:
     - `‘$ sudo pip install --upgrade google-api-python-client’`
     -  **Note**: Do `$ sudo apt-get install python-pip` (or `$ easy_install -U pip`) if you do not have pip
@@ -42,12 +63,14 @@
 The stress tests are launched by the following script (path is relative to GRPC root directory) :
 `tools/run_tests/stress_test/run_stress_tests_on_gke.py`
 
-The script has several parameters and you can find out more details by using the `--help` flag.
-  - `<grpc_root_dir>$ tools/run_tests/stress_test/run_stress_tests_on_gke.py --help`
+You can find out more details by using the `--help` flag.
+  - `<grpc_root_dir>$ tools/run_tests/stress_test/run_on_gke.py --help`
 
 > **Example**
-> `$ tools/run_tests/stress_test/run_stress_tests_on_gke.py --project_id=sree-gce --test_duration_secs=180 --num_clients=5`
-
-> Launches the 5 instances of stress test clients, 1 instance of stress test server and runs the test for 180 seconds. The test would be run on the default container cluster (that you have set in `gcloud`) in the project `sree-gce`.
+> ```bash
+> $ # Change to the grpc root directory
+> $ cd $GRPC_ROOT
+> $ tools/run_tests/stress_test/run_on_gke.py --project_id=sree-gce --config_file=tools/run_tests/stress_test/configs/opt.json
+> ```
 
-> Note: we currently do not have the ability to launch multiple instances of the server. This can be added very easily in future
+> The above runs the stress test on GKE under the project `sree-gce` in the default cluster (that you set by `gcloud` command earlier). The test settings (like number of client instances, servers, the parmeters to pass, test cases etc) are all loaded from the config file `$GRPC_ROOT/tools/run_tests/stress_test/opt.json`
diff --git a/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md b/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md
new file mode 100644
index 0000000000000000000000000000000000000000..62ca8aff2cd30e1239447b9ee7cf87217dd05478
--- /dev/null
+++ b/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md
@@ -0,0 +1,25 @@
+Stress Test client Specification
+=========================
+This document specifies the features a stress test client should implement in order to work with the stress testing framework. The stress test clients are executed against the existing interop test servers.
+
+**Requirements**
+--------------
+**1.** A stress test client should be able to repeatedly execute one or more of the existing 'interop test cases'. It may just be a wrapper around the existing interop test client. The exact command line arguments the client should support are listed in _Table 1_ below.
+
+**2.** The stress test client must implement a metrics server defined by _[metrics.proto](https://github.com/grpc/grpc/blob/master/src/proto/grpc/testing/metrics.proto)_ and must expose _qps_ as a long-valued Gauge. The client can track the overall _qps_ in one Gauge or in multiple Gauges (for example: One per Channel or Stub).
+ The framework periodically queries the _qps_ by calling the `GetAllGauges()` method (the framework assumes that all the returned Gauges are _qps_ Gauges) and uses this to determine if the stress test client is running or crashed or stalled.
+> *Note:* In this context, the term  _**qps**_  means _interop test cases per second_  (not _messages per second_ or _rpc calls per second_)
+
+
+**Table 1:** Command line arguments that should be supported by the stress test client.
+
+>_**Note** The current C++ [stress client](https://github.com/grpc/grpc/blob/master/test/cpp/interop/stress_test.cc) supports more flags than those listed here but those flags will soon be deprecated._
+
+Parameter             |                    Description
+----------------------|---------------------------------
+`--server_addresses`    | The stress client should accept a list of server addresses in the following format:<br> ```<name_1>:<port_1>,<name_2>:<port_2>..<name_N>:<port_N>``` <br> _Note:_ `<name>` can be either server name or IP address.<br><br>_Type:_ string <br>_default:_ ```localhost:8080``` <br>_Example:_ ``foo.foobar.com:8080,bar.foobar.com:8080`` <br><br> Currently, the stress test framework only passes one server address to the client.
+`--test_cases`        |   List of test cases along with the relative weights in the following format:<br> `<testcase_1:w_1>,<testcase_2:w_2>...<testcase_n:w_n>`. <br> The test cases names are the same as those currently used by the interop clients<br><br>_Type:_ string <br>_Example:_ `empty_unary:20,large_unary:10,empty_stream:70` <br>(The stress client would then make `empty_unary` calls 20% of the time, `large_unary` calls 10% of the time and `empty_stream` calls 70% of the time.) <br>_Note:_ The weights need not add up to 100.
+`--test_duration_secs`      | The test duration in seconds. A value of -1 means that the test should run forever until forcefully terminated. <br>_Type:_ int <br>_default:_ -1
+`--num_channels_per_server` | Number of channels (i.e connections) to each server. <br> _Type:_ int <br> _default:_ 1 <br><br> _Note:_ Unfortunately, the term `channel` is used differently in `grpc-java` and `C based grpc`. In this context, this really means "number of connections to the server"
+`--num_stubs_per_channel `  | Number of client stubs per each connection to server.<br>_Type:_ int <br>_default:_ 1
+`--metrics_port`            | The port at which the stress client exposes [QPS metrics](https://github.com/grpc/grpc/blob/master/src/proto/grpc/testing/metrics.proto). <br>_Type:_ int <br>_default:_ 8081
diff --git a/tools/run_tests/stress_test/configs/asan.json b/tools/run_tests/stress_test/configs/asan.json
new file mode 100644
index 0000000000000000000000000000000000000000..c5588553147984480b8bc4256227406884def335
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/asan.json
@@ -0,0 +1,86 @@
+{
+  "dockerImages": {
+    "grpc_stress_cxx_asan" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "asan"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 120,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081,
+          "metrics_collection_interval_secs":120
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "cxx_client_asan": {
+        "baseTemplate": "default",
+        "stressClientCmd": ["/var/local/git/grpc/bins/asan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/asan/metrics_client"]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "cxx_server_asan": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/asan/interop_server"]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "stress-server-asan": {
+        "serverTemplate": "cxx_server_asan",
+        "dockerImage": "grpc_stress_cxx_asan",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "stress-client-asan": {
+        "clientTemplate": "cxx_client_asan",
+        "dockerImage": "grpc_stress_cxx_asan",
+        "numInstances": 5,
+        "serverPodSpec": "stress-server-asan"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8003,
+    "datasetIdNamePrefix": "stress_test_asan",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/configs/go.json b/tools/run_tests/stress_test/configs/go.json
new file mode 100644
index 0000000000000000000000000000000000000000..36b465e763e1254173a72757d283c1705f957fdb
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/go.json
@@ -0,0 +1,96 @@
+{
+  "dockerImages": {
+    "grpc_stress_go" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_go"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 60,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "go_client": {
+        "baseTemplate": "default",
+        "stressClientCmd": [
+          "go",
+          "run",
+          "/go/src/google.golang.org/grpc/stress/client/main.go"
+        ],
+        "metricsClientCmd": [
+          "go",
+          "run",
+          "/go/src/google.golang.org/grpc/stress/metrics_client/main.go"
+        ]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "go_server": {
+        "baseTemplate": "default",
+        "stressServerCmd": [
+          "go",
+          "run",
+          "/go/src/google.golang.org/grpc/interop/server/server.go"
+        ]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "go-stress-server": {
+        "serverTemplate": "go_server",
+        "dockerImage": "grpc_stress_go",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "go-stress-client": {
+        "clientTemplate": "go_client",
+        "dockerImage": "grpc_stress_go",
+        "numInstances": 15,
+        "serverPodSpec": "go-stress-server"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8007,
+    "datasetIdNamePrefix": "stress_test_go",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/configs/java.json b/tools/run_tests/stress_test/configs/java.json
new file mode 100644
index 0000000000000000000000000000000000000000..275384c066d891468e9023bd105b8ff4527b35df
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/java.json
@@ -0,0 +1,91 @@
+{
+  "dockerImages": {
+    "grpc_stress_java" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_java"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 60,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "java_client": {
+        "baseTemplate": "default",
+        "stressClientCmd": [
+          "/var/local/git/grpc-java/interop-testing/build/install/grpc-interop-testing/bin/stresstest-client"
+        ],
+        "metricsClientCmd": [
+          "/var/local/git/grpc/bins/opt/metrics_client"
+        ]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080,
+		  "use_tls": "false"
+        }
+      }
+    },
+    "templates": {
+      "java_server": {
+        "baseTemplate": "default",
+        "stressServerCmd": [
+          "/var/local/git/grpc-java/interop-testing/build/install/grpc-interop-testing/bin/test-server"
+        ]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "java-stress-server": {
+        "serverTemplate": "java_server",
+        "dockerImage": "grpc_stress_java",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "java-stress-client": {
+        "clientTemplate": "java_client",
+        "dockerImage": "grpc_stress_java",
+        "numInstances": 10,
+        "serverPodSpec": "java-stress-server"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8008,
+    "datasetIdNamePrefix": "stress_test_java",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/configs/node-cxx.json b/tools/run_tests/stress_test/configs/node-cxx.json
new file mode 100644
index 0000000000000000000000000000000000000000..c4245bf9df2101957776e61677e5a6f50df51810
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/node-cxx.json
@@ -0,0 +1,97 @@
+{
+  "dockerImages": {
+    "grpc_stress_cxx_opt" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "opt"
+    },
+   "grpc_stress_node": {
+     "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+     "dockerFileDir": "grpc_interop_stress_node"
+   }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 60,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "node_client": {
+        "baseTemplate": "default",
+        "stressClientCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/stress/stress_client.js"
+        ],
+        "metricsClientCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/stress/metrics_client.js"
+        ]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "cxx_server_opt": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/opt/interop_server"]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "stress-server-cxx-opt": {
+        "serverTemplate": "cxx_server_opt",
+        "dockerImage": "grpc_stress_cxx_opt",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "stress-client-node": {
+        "clientTemplate": "node_client",
+        "dockerImage": "grpc_stress_node",
+        "numInstances": 20,
+        "serverPodSpec": "stress-server-cxx-opt"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8006,
+    "datasetIdNamePrefix": "stress_test_node_cxx_opt",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/configs/node.json b/tools/run_tests/stress_test/configs/node.json
new file mode 100644
index 0000000000000000000000000000000000000000..7a48c56a5e28ec2b0e09a6dd407a74e2db63e8cc
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/node.json
@@ -0,0 +1,96 @@
+{
+  "dockerImages": {
+    "grpc_stress_node" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_node"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 60,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "node_client": {
+        "baseTemplate": "default",
+        "stressClientCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/stress/stress_client.js"
+        ],
+        "metricsClientCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/stress/metrics_client.js"
+        ]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "node_server": {
+        "baseTemplate": "default",
+        "stressServerCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/interop/interop_server.js"
+        ]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "node-stress-server": {
+        "serverTemplate": "node_server",
+        "dockerImage": "grpc_stress_node",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "node-stress-client": {
+        "clientTemplate": "node_client",
+        "dockerImage": "grpc_stress_node",
+        "numInstances": 15,
+        "serverPodSpec": "node-stress-server"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8005,
+    "datasetIdNamePrefix": "stress_test_node",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/configs/opt-tsan-asan.json b/tools/run_tests/stress_test/configs/opt-tsan-asan.json
new file mode 100644
index 0000000000000000000000000000000000000000..4f172ef30bcb7ff8b7c2be063c716c4b0c48555b
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/opt-tsan-asan.json
@@ -0,0 +1,135 @@
+{
+  "dockerImages": {
+    "grpc_stress_cxx_opt" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "opt"
+    },
+    "grpc_stress_cxx_tsan": {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "tsan"
+    },
+    "grpc_stress_cxx_asan": {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "asan"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 60,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081,
+          "metrics_collection_interval_secs": 60
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "cxx_client_opt": {
+        "baseTemplate": "default",
+        "stressClientCmd": ["/var/local/git/grpc/bins/opt/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/opt/metrics_client"]
+      },
+      "cxx_client_tsan": {
+        "baseTemplate": "default",
+        "stressClientCmd": ["/var/local/git/grpc/bins/tsan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/tsan/metrics_client"]
+      },
+    "cxx_client_asan": {
+        "baseTemplate": "default",
+        "stressClientCmd": ["/var/local/git/grpc/bins/asan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/asan/metrics_client"]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "cxx_server_opt": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/opt/interop_server"]
+      },
+      "cxx_server_tsan": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/tsan/interop_server"]
+      },
+    "cxx_server_asan": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/asan/interop_server"]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "stress-server-opt": {
+        "serverTemplate": "cxx_server_opt",
+        "dockerImage": "grpc_stress_cxx_opt",
+        "numInstances": 1
+      },
+      "stress-server-tsan": {
+        "serverTemplate": "cxx_server_tsan",
+        "dockerImage": "grpc_stress_cxx_tsan",
+        "numInstances": 1
+      },
+      "stress-server-asan": {
+        "serverTemplate": "cxx_server_asan",
+        "dockerImage": "grpc_stress_cxx_asan",
+        "numInstances": 1
+      }
+   },
+
+    "clientPodSpecs": {
+      "stress-client-opt": {
+        "clientTemplate": "cxx_client_opt",
+        "dockerImage": "grpc_stress_cxx_opt",
+        "numInstances": 5,
+        "serverPodSpec": "stress-server-opt"
+      },
+      "stress-client-tsan": {
+        "clientTemplate": "cxx_client_tsan",
+        "dockerImage": "grpc_stress_cxx_tsan",
+        "numInstances": 10,
+        "serverPodSpec": "stress-server-tsan"
+      },
+      "stress-client-asan": {
+        "clientTemplate": "cxx_client_asan",
+        "dockerImage": "grpc_stress_cxx_asan",
+        "numInstances": 10,
+        "serverPodSpec": "stress-server-asan"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8004,
+    "datasetIdNamePrefix": "stress_test_opt_tsan",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
diff --git a/tools/run_tests/stress_test/configs/opt.json b/tools/run_tests/stress_test/configs/opt.json
new file mode 100644
index 0000000000000000000000000000000000000000..75505186f20edc0dcd90c416d18d8cbab8eca022
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/opt.json
@@ -0,0 +1,86 @@
+{
+  "dockerImages": {
+    "grpc_stress_cxx_opt" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "opt"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 60,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081,
+          "metrics_collection_interval_secs": 60
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "cxx_client_opt": {
+        "baseTemplate": "default",
+        "stressClientCmd": ["/var/local/git/grpc/bins/opt/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/opt/metrics_client"]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "cxx_server_opt": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/opt/interop_server"]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "stress-server-opt": {
+        "serverTemplate": "cxx_server_opt",
+        "dockerImage": "grpc_stress_cxx_opt",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "stress-client-opt": {
+        "clientTemplate": "cxx_client_opt",
+        "dockerImage": "grpc_stress_cxx_opt",
+        "numInstances": 15,
+        "serverPodSpec": "stress-server-opt"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8001,
+    "datasetIdNamePrefix": "stress_test_opt",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/configs/tsan.json b/tools/run_tests/stress_test/configs/tsan.json
new file mode 100644
index 0000000000000000000000000000000000000000..a7ec08313d689c0e587a85c60ad9ed5fa45c89be
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/tsan.json
@@ -0,0 +1,86 @@
+{
+  "dockerImages": {
+    "grpc_stress_cxx_tsan" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "tsan"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 120,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081,
+          "metrics_collection_interval_secs":120
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "cxx_client_tsan": {
+        "baseTemplate": "default",
+        "stressClientCmd": ["/var/local/git/grpc/bins/tsan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/tsan/metrics_client"]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "cxx_server_tsan": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/tsan/interop_server"]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "stress-server-tsan": {
+        "serverTemplate": "cxx_server_tsan",
+        "dockerImage": "grpc_stress_cxx_tsan",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "stress-client-tsan": {
+        "clientTemplate": "cxx_client_tsan",
+        "dockerImage": "grpc_stress_cxx_tsan",
+        "numInstances": 5,
+        "serverPodSpec": "stress-server-tsan"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8002,
+    "datasetIdNamePrefix": "stress_test_tsan",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/run_on_gke.py b/tools/run_tests/stress_test/run_on_gke.py
new file mode 100755
index 0000000000000000000000000000000000000000..d4f1c4ad3dc5e0530cb0cbd2374c3a6af0eb12e0
--- /dev/null
+++ b/tools/run_tests/stress_test/run_on_gke.py
@@ -0,0 +1,663 @@
+#!/usr/bin/env python2.7
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+import argparse
+import datetime
+import json
+import os
+import subprocess
+import sys
+import time
+
+stress_test_utils_dir = os.path.abspath(os.path.join(
+    os.path.dirname(__file__), '../../gcp/stress_test'))
+sys.path.append(stress_test_utils_dir)
+from stress_test_utils import BigQueryHelper
+
+kubernetes_api_dir = os.path.abspath(os.path.join(
+    os.path.dirname(__file__), '../../gcp/utils'))
+sys.path.append(kubernetes_api_dir)
+
+import kubernetes_api
+
+
+class GlobalSettings:
+
+  def __init__(self, gcp_project_id, build_docker_images,
+               test_poll_interval_secs, test_duration_secs,
+               kubernetes_proxy_port, dataset_id_prefix, summary_table_id,
+               qps_table_id, pod_warmup_secs):
+    self.gcp_project_id = gcp_project_id
+    self.build_docker_images = build_docker_images
+    self.test_poll_interval_secs = test_poll_interval_secs
+    self.test_duration_secs = test_duration_secs
+    self.kubernetes_proxy_port = kubernetes_proxy_port
+    self.dataset_id_prefix = dataset_id_prefix
+    self.summary_table_id = summary_table_id
+    self.qps_table_id = qps_table_id
+    self.pod_warmup_secs = pod_warmup_secs
+
+
+class ClientTemplate:
+  """ Contains all the common settings that are used by a stress client """
+
+  def __init__(self, name, stress_client_cmd, metrics_client_cmd, metrics_port,
+               wrapper_script_path, poll_interval_secs, client_args_dict,
+               metrics_args_dict, will_run_forever):
+    self.name = name
+    self.stress_client_cmd = stress_client_cmd
+    self.metrics_client_cmd = metrics_client_cmd
+    self.metrics_port = metrics_port
+    self.wrapper_script_path = wrapper_script_path
+    self.poll_interval_secs = poll_interval_secs
+    self.client_args_dict = client_args_dict
+    self.metrics_args_dict = metrics_args_dict
+    self.will_run_forever = will_run_forever
+
+
+class ServerTemplate:
+  """ Contains all the common settings used by a stress server """
+
+  def __init__(self, name, server_cmd, wrapper_script_path, server_port,
+               server_args_dict, will_run_forever):
+    self.name = name
+    self.server_cmd = server_cmd
+    self.wrapper_script_path = wrapper_script_path
+    self.server_port = server_port
+    self.server_args_dict = server_args_dict
+    self.will_run_forever = will_run_forever
+
+
+class DockerImage:
+  """ Represents properties of a Docker image. Provides methods to build the
+  image and push it to GKE registry
+  """
+
+  def __init__(self, gcp_project_id, image_name, build_script_path,
+               dockerfile_dir, build_type):
+    """Args:
+
+      image_name: The docker image name
+      tag_name: The additional tag name. This is the name used when pushing the
+        docker image to GKE registry
+      build_script_path: The path to the build script that builds this docker
+      image
+      dockerfile_dir: The name of the directory under
+      '<grpc_root>/tools/dockerfile' that contains the dockerfile
+    """
+    self.image_name = image_name
+    self.gcp_project_id = gcp_project_id
+    self.build_script_path = build_script_path
+    self.dockerfile_dir = dockerfile_dir
+    self.build_type = build_type
+    self.tag_name = self._make_tag_name(gcp_project_id, image_name)
+
+  def _make_tag_name(self, project_id, image_name):
+    return 'gcr.io/%s/%s' % (project_id, image_name)
+
+  def build_image(self):
+    print 'Building docker image: %s (tag: %s)' % (self.image_name,
+                                                   self.tag_name)
+    os.environ['INTEROP_IMAGE'] = self.image_name
+    os.environ['INTEROP_IMAGE_REPOSITORY_TAG'] = self.tag_name
+    os.environ['BASE_NAME'] = self.dockerfile_dir
+    os.environ['BUILD_TYPE'] = self.build_type
+    print 'DEBUG: path: ', self.build_script_path
+    if subprocess.call(args=[self.build_script_path]) != 0:
+      print 'Error in building the Docker image'
+      return False
+    return True
+
+  def push_to_gke_registry(self):
+    cmd = ['gcloud', 'docker', 'push', self.tag_name]
+    print 'Pushing %s to the GKE registry..' % self.tag_name
+    if subprocess.call(args=cmd) != 0:
+      print 'Error in pushing the image %s to the GKE registry' % self.tag_name
+      return False
+    return True
+
+
+class ServerPodSpec:
+  """ Contains the information required to launch server pods. """
+
+  def __init__(self, name, server_template, docker_image, num_instances):
+    self.name = name
+    self.template = server_template
+    self.docker_image = docker_image
+    self.num_instances = num_instances
+
+  def pod_names(self):
+    """ Return a list of names of server pods to create. """
+    return ['%s-%d' % (self.name, i) for i in range(1, self.num_instances + 1)]
+
+  def server_addresses(self):
+    """ Return string of server addresses in the following format:
+      '<server_pod_name_1>:<server_port>,<server_pod_name_2>:<server_port>...'
+    """
+    return ','.join(['%s:%d' % (pod_name, self.template.server_port)
+                     for pod_name in self.pod_names()])
+
+
+class ClientPodSpec:
+  """ Contains the information required to launch client pods """
+
+  def __init__(self, name, client_template, docker_image, num_instances,
+               server_addresses):
+    self.name = name
+    self.template = client_template
+    self.docker_image = docker_image
+    self.num_instances = num_instances
+    self.server_addresses = server_addresses
+
+  def pod_names(self):
+    """ Return a list of names of client pods to create """
+    return ['%s-%d' % (self.name, i) for i in range(1, self.num_instances + 1)]
+
+  # The client args in the template do not have server addresses. This function
+  # adds the server addresses and returns the updated client args
+  def get_client_args_dict(self):
+    args_dict = self.template.client_args_dict.copy()
+    args_dict['server_addresses'] = self.server_addresses
+    return args_dict
+
+
+class Gke:
+  """ Class that has helper methods to interact with GKE """
+
+  class KubernetesProxy:
+    """Class to start a proxy on localhost to talk to the Kubernetes API server"""
+
+    def __init__(self, port):
+      cmd = ['kubectl', 'proxy', '--port=%d' % port]
+      self.p = subprocess.Popen(args=cmd)
+      time.sleep(2)
+      print '\nStarted kubernetes proxy on port: %d' % port
+
+    def __del__(self):
+      if self.p is not None:
+        print 'Shutting down Kubernetes proxy..'
+        self.p.kill()
+
+  def __init__(self, project_id, run_id, dataset_id, summary_table_id,
+               qps_table_id, kubernetes_port):
+    self.project_id = project_id
+    self.run_id = run_id
+    self.dataset_id = dataset_id
+    self.summary_table_id = summary_table_id
+    self.qps_table_id = qps_table_id
+
+    # The environment variables we would like to pass to every pod (both client
+    # and server) launched in GKE
+    self.gke_env = {
+        'RUN_ID': self.run_id,
+        'GCP_PROJECT_ID': self.project_id,
+        'DATASET_ID': self.dataset_id,
+        'SUMMARY_TABLE_ID': self.summary_table_id,
+        'QPS_TABLE_ID': self.qps_table_id
+    }
+
+    self.kubernetes_port = kubernetes_port
+    # Start kubernetes proxy
+    self.kubernetes_proxy = Gke.KubernetesProxy(kubernetes_port)
+
+  def _args_dict_to_str(self, args_dict):
+    return ' '.join('--%s=%s' % (k, args_dict[k]) for k in args_dict.keys())
+
+  def launch_servers(self, server_pod_spec):
+    is_success = True
+
+    # The command to run inside the container is the wrapper script (which then
+    # launches the actual server)
+    container_cmd = server_pod_spec.template.wrapper_script_path
+
+    # The parameters to the wrapper script (defined in
+    # server_pod_spec.template.wrapper_script_path) are are injected into the
+    # container via environment variables
+    server_env = self.gke_env.copy()
+    server_env.update({
+        'STRESS_TEST_IMAGE_TYPE': 'SERVER',
+        'STRESS_TEST_CMD': server_pod_spec.template.server_cmd,
+        'STRESS_TEST_ARGS_STR': self._args_dict_to_str(
+            server_pod_spec.template.server_args_dict),
+        'WILL_RUN_FOREVER': str(server_pod_spec.template.will_run_forever)
+    })
+
+    for pod_name in server_pod_spec.pod_names():
+      server_env['POD_NAME'] = pod_name
+      print 'Creating server: %s' % pod_name
+      is_success = kubernetes_api.create_pod_and_service(
+          'localhost',
+          self.kubernetes_port,
+          'default',  # Use 'default' namespace
+          pod_name,
+          server_pod_spec.docker_image.tag_name,
+          [server_pod_spec.template.server_port],  # Ports to expose on the pod
+          [container_cmd],
+          [],  # Args list is empty since we are passing all args via env variables
+          server_env,
+          True  # Headless = True for server to that GKE creates a DNS record for pod_name
+      )
+      if not is_success:
+        print 'Error in launching server: %s' % pod_name
+        break
+
+    if is_success:
+      print 'Successfully created server(s)'
+
+    return is_success
+
+  def launch_clients(self, client_pod_spec):
+    is_success = True
+
+    # The command to run inside the container is the wrapper script (which then
+    # launches the actual stress client)
+    container_cmd = client_pod_spec.template.wrapper_script_path
+
+    # The parameters to the wrapper script (defined in
+    # client_pod_spec.template.wrapper_script_path) are are injected into the
+    # container via environment variables
+    client_env = self.gke_env.copy()
+    client_env.update({
+        'STRESS_TEST_IMAGE_TYPE': 'CLIENT',
+        'STRESS_TEST_CMD': client_pod_spec.template.stress_client_cmd,
+        'STRESS_TEST_ARGS_STR': self._args_dict_to_str(
+            client_pod_spec.get_client_args_dict()),
+        'METRICS_CLIENT_CMD': client_pod_spec.template.metrics_client_cmd,
+        'METRICS_CLIENT_ARGS_STR': self._args_dict_to_str(
+            client_pod_spec.template.metrics_args_dict),
+        'POLL_INTERVAL_SECS': str(client_pod_spec.template.poll_interval_secs),
+        'WILL_RUN_FOREVER': str(client_pod_spec.template.will_run_forever)
+    })
+
+    for pod_name in client_pod_spec.pod_names():
+      client_env['POD_NAME'] = pod_name
+      print 'Creating client: %s' % pod_name
+      is_success = kubernetes_api.create_pod_and_service(
+          'localhost',
+          self.kubernetes_port,
+          'default',  # default namespace,
+          pod_name,
+          client_pod_spec.docker_image.tag_name,
+          [client_pod_spec.template.metrics_port],  # Ports to expose on the pod
+          [container_cmd],
+          [],  # Empty args list since all args are passed via env variables
+          client_env,
+          False  # Client is not a headless service.
+      )
+
+      if not is_success:
+        print 'Error in launching client %s' % pod_name
+        break
+
+    if is_success:
+      print 'Successfully created all client(s)'
+
+    return is_success
+
+  def _delete_pods(self, pod_name_list):
+    is_success = True
+    for pod_name in pod_name_list:
+      print 'Deleting %s' % pod_name
+      is_success = kubernetes_api.delete_pod_and_service(
+          'localhost',
+          self.kubernetes_port,
+          'default',  # default namespace
+          pod_name)
+
+      if not is_success:
+        print 'Error in deleting pod %s' % pod_name
+        break
+
+    if is_success:
+      print 'Successfully deleted all pods'
+
+    return is_success
+
+  def delete_servers(self, server_pod_spec):
+    return self._delete_pods(server_pod_spec.pod_names())
+
+  def delete_clients(self, client_pod_spec):
+    return self._delete_pods(client_pod_spec.pod_names())
+
+
+class Config:
+
+  def __init__(self, config_filename, gcp_project_id):
+    print 'Loading configuration...'
+    config_dict = self._load_config(config_filename)
+
+    self.global_settings = self._parse_global_settings(config_dict,
+                                                       gcp_project_id)
+    self.docker_images_dict = self._parse_docker_images(
+        config_dict, self.global_settings.gcp_project_id)
+    self.client_templates_dict = self._parse_client_templates(config_dict)
+    self.server_templates_dict = self._parse_server_templates(config_dict)
+    self.server_pod_specs_dict = self._parse_server_pod_specs(
+        config_dict, self.docker_images_dict, self.server_templates_dict)
+    self.client_pod_specs_dict = self._parse_client_pod_specs(
+        config_dict, self.docker_images_dict, self.client_templates_dict,
+        self.server_pod_specs_dict)
+    print 'Loaded Configuaration.'
+
+  def _parse_global_settings(self, config_dict, gcp_project_id):
+    global_settings_dict = config_dict['globalSettings']
+    return GlobalSettings(gcp_project_id,
+                          global_settings_dict['buildDockerImages'],
+                          global_settings_dict['pollIntervalSecs'],
+                          global_settings_dict['testDurationSecs'],
+                          global_settings_dict['kubernetesProxyPort'],
+                          global_settings_dict['datasetIdNamePrefix'],
+                          global_settings_dict['summaryTableId'],
+                          global_settings_dict['qpsTableId'],
+                          global_settings_dict['podWarmupSecs'])
+
+  def _parse_docker_images(self, config_dict, gcp_project_id):
+    """Parses the 'dockerImages' section of the config file and returns a
+    Dictionary of 'DockerImage' objects keyed by docker image names"""
+    docker_images_dict = {}
+
+    docker_config_dict = config_dict['dockerImages']
+    for image_name in docker_config_dict.keys():
+      build_script_path = docker_config_dict[image_name]['buildScript']
+      dockerfile_dir = docker_config_dict[image_name]['dockerFileDir']
+      build_type = docker_config_dict[image_name].get('buildType', 'opt')
+      docker_images_dict[image_name] = DockerImage(gcp_project_id, image_name,
+                                                   build_script_path,
+                                                   dockerfile_dir, build_type)
+    return docker_images_dict
+
+  def _parse_client_templates(self, config_dict):
+    """Parses the 'clientTemplates' section of the config file and returns a
+    Dictionary of 'ClientTemplate' objects keyed by client template names.
+
+    Note: The 'baseTemplates' sub section of the config file contains templates
+    with default values  and the 'templates' sub section contains the actual
+    client templates (which refer to the base template name to use for default
+    values).
+    """
+    client_templates_dict = {}
+
+    templates_dict = config_dict['clientTemplates']['templates']
+    base_templates_dict = config_dict['clientTemplates'].get('baseTemplates',
+                                                             {})
+    for template_name in templates_dict.keys():
+      # temp_dict is a temporary dictionary that merges base template dictionary
+      # and client template dictionary (with client template dictionary values
+      # overriding base template values)
+      temp_dict = {}
+
+      base_template_name = templates_dict[template_name].get('baseTemplate')
+      if not base_template_name is None:
+        temp_dict = base_templates_dict[base_template_name].copy()
+
+      temp_dict.update(templates_dict[template_name])
+
+      # Create and add ClientTemplate object to the final client_templates_dict
+      stress_client_cmd = ' '.join(temp_dict['stressClientCmd'])
+      metrics_client_cmd = ' '.join(temp_dict['metricsClientCmd'])
+      client_templates_dict[template_name] = ClientTemplate(
+          template_name, stress_client_cmd, metrics_client_cmd,
+          temp_dict['metricsPort'], temp_dict['wrapperScriptPath'],
+          temp_dict['pollIntervalSecs'], temp_dict['clientArgs'].copy(),
+          temp_dict['metricsArgs'].copy(), temp_dict.get('willRunForever', 1))
+
+    return client_templates_dict
+
+  def _parse_server_templates(self, config_dict):
+    """Parses the 'serverTemplates' section of the config file and returns a
+    Dictionary of 'serverTemplate' objects keyed by server template names.
+
+    Note: The 'baseTemplates' sub section of the config file contains templates
+    with default values  and the 'templates' sub section contains the actual
+    server templates (which refer to the base template name to use for default
+    values).
+    """
+    server_templates_dict = {}
+
+    templates_dict = config_dict['serverTemplates']['templates']
+    base_templates_dict = config_dict['serverTemplates'].get('baseTemplates',
+                                                             {})
+
+    for template_name in templates_dict.keys():
+      # temp_dict is a temporary dictionary that merges base template dictionary
+      # and server template dictionary (with server template dictionary values
+      # overriding base template values)
+      temp_dict = {}
+
+      base_template_name = templates_dict[template_name].get('baseTemplate')
+      if not base_template_name is None:
+        temp_dict = base_templates_dict[base_template_name].copy()
+
+      temp_dict.update(templates_dict[template_name])
+
+      # Create and add ServerTemplate object to the final server_templates_dict
+      stress_server_cmd = ' '.join(temp_dict['stressServerCmd'])
+      server_templates_dict[template_name] = ServerTemplate(
+          template_name, stress_server_cmd, temp_dict['wrapperScriptPath'],
+          temp_dict['serverPort'], temp_dict['serverArgs'].copy(),
+          temp_dict.get('willRunForever', 1))
+
+    return server_templates_dict
+
+  def _parse_server_pod_specs(self, config_dict, docker_images_dict,
+                              server_templates_dict):
+    """Parses the 'serverPodSpecs' sub-section (under 'testMatrix' section) of
+    the config file and returns a Dictionary of 'ServerPodSpec' objects keyed
+    by server pod spec names"""
+    server_pod_specs_dict = {}
+
+    pod_specs_dict = config_dict['testMatrix'].get('serverPodSpecs', {})
+
+    for pod_name in pod_specs_dict.keys():
+      server_template_name = pod_specs_dict[pod_name]['serverTemplate']
+      docker_image_name = pod_specs_dict[pod_name]['dockerImage']
+      num_instances = pod_specs_dict[pod_name].get('numInstances', 1)
+
+      # Create and add the ServerPodSpec object to the final
+      # server_pod_specs_dict
+      server_pod_specs_dict[pod_name] = ServerPodSpec(
+          pod_name, server_templates_dict[server_template_name],
+          docker_images_dict[docker_image_name], num_instances)
+
+    return server_pod_specs_dict
+
+  def _parse_client_pod_specs(self, config_dict, docker_images_dict,
+                              client_templates_dict, server_pod_specs_dict):
+    """Parses the 'clientPodSpecs' sub-section (under 'testMatrix' section) of
+    the config file and returns a Dictionary of 'ClientPodSpec' objects keyed
+    by client pod spec names"""
+    client_pod_specs_dict = {}
+
+    pod_specs_dict = config_dict['testMatrix'].get('clientPodSpecs', {})
+    for pod_name in pod_specs_dict.keys():
+      client_template_name = pod_specs_dict[pod_name]['clientTemplate']
+      docker_image_name = pod_specs_dict[pod_name]['dockerImage']
+      num_instances = pod_specs_dict[pod_name]['numInstances']
+
+      # Get the server addresses from the server pod spec object
+      server_pod_spec_name = pod_specs_dict[pod_name]['serverPodSpec']
+      server_addresses = server_pod_specs_dict[
+          server_pod_spec_name].server_addresses()
+
+      client_pod_specs_dict[pod_name] = ClientPodSpec(
+          pod_name, client_templates_dict[client_template_name],
+          docker_images_dict[docker_image_name], num_instances,
+          server_addresses)
+
+    return client_pod_specs_dict
+
+  def _load_config(self, config_filename):
+    """Opens the config file and converts the Json text to Dictionary"""
+    if not os.path.isabs(config_filename):
+      raise Exception('Config objects expects an absolute file path. '
+                      'config file name passed: %s' % config_filename)
+    with open(config_filename) as config_file:
+      return json.load(config_file)
+
+
+def run_tests(config):
+  """ The main function that launches the stress tests """
+  # Build docker images and push to GKE registry
+  if config.global_settings.build_docker_images:
+    for name, docker_image in config.docker_images_dict.iteritems():
+      if not (docker_image.build_image() and
+              docker_image.push_to_gke_registry()):
+        return False
+
+  # Create a unique id for this run (Note: Using timestamp instead of UUID to
+  # make it easier to deduce the date/time of the run just by looking at the run
+  # run id. This is useful in debugging when looking at records in Biq query)
+  run_id = datetime.datetime.now().strftime('%Y_%m_%d_%H_%M_%S')
+  dataset_id = '%s_%s' % (config.global_settings.dataset_id_prefix, run_id)
+  print 'Run id:', run_id
+  print 'Dataset id:', dataset_id
+
+  bq_helper = BigQueryHelper(run_id, '', '',
+                             config.global_settings.gcp_project_id, dataset_id,
+                             config.global_settings.summary_table_id,
+                             config.global_settings.qps_table_id)
+  bq_helper.initialize()
+
+  gke = Gke(config.global_settings.gcp_project_id, run_id, dataset_id,
+            config.global_settings.summary_table_id,
+            config.global_settings.qps_table_id,
+            config.global_settings.kubernetes_proxy_port)
+
+  is_success = True
+
+  try:
+    print 'Launching servers..'
+    for name, server_pod_spec in config.server_pod_specs_dict.iteritems():
+      if not gke.launch_servers(server_pod_spec):
+        is_success = False  # is_success is checked in the 'finally' block
+        return False
+
+    print('Launched servers. Waiting for %d seconds for the server pods to be '
+          'fully online') % config.global_settings.pod_warmup_secs
+    time.sleep(config.global_settings.pod_warmup_secs)
+
+    for name, client_pod_spec in config.client_pod_specs_dict.iteritems():
+      if not gke.launch_clients(client_pod_spec):
+        is_success = False  # is_success is checked in the 'finally' block
+        return False
+
+    print('Launched all clients. Waiting for %d seconds for the client pods to '
+          'be fully online') % config.global_settings.pod_warmup_secs
+    time.sleep(config.global_settings.pod_warmup_secs)
+
+    start_time = datetime.datetime.now()
+    end_time = start_time + datetime.timedelta(
+        seconds=config.global_settings.test_duration_secs)
+    print 'Running the test until %s' % end_time.isoformat()
+
+    while True:
+      if datetime.datetime.now() > end_time:
+        print 'Test was run for %d seconds' % config.global_settings.test_duration_secs
+        break
+
+      # Check if either stress server or clients have failed (btw, the bq_helper
+      # monitors all the rows in the summary table and checks if any of them
+      # have a failure status)
+      if bq_helper.check_if_any_tests_failed():
+        is_success = False
+        print 'Some tests failed.'
+        break  # Don't 'return' here. We still want to call bq_helper to print qps/summary tables
+
+      # Tests running fine. Wait until next poll time to check the status
+      print 'Sleeping for %d seconds..' % config.global_settings.test_poll_interval_secs
+      time.sleep(config.global_settings.test_poll_interval_secs)
+
+    # Print BiqQuery tables
+    bq_helper.print_qps_records()
+    bq_helper.print_summary_records()
+
+  finally:
+    # If there was a test failure, we should not delete the pods since they
+    # would contain useful debug information (logs, core dumps etc)
+    if is_success:
+      for name, server_pod_spec in config.server_pod_specs_dict.iteritems():
+        gke.delete_servers(server_pod_spec)
+      for name, client_pod_spec in config.client_pod_specs_dict.iteritems():
+        gke.delete_clients(client_pod_spec)
+
+  return is_success
+
+
+def tear_down(config):
+  gke = Gke(config.global_settings.gcp_project_id, '', '',
+            config.global_settings.summary_table_id,
+            config.global_settings.qps_table_id,
+            config.global_settings.kubernetes_proxy_port)
+  for name, server_pod_spec in config.server_pod_specs_dict.iteritems():
+    gke.delete_servers(server_pod_spec)
+  for name, client_pod_spec in config.client_pod_specs_dict.iteritems():
+    gke.delete_clients(client_pod_spec)
+
+
+argp = argparse.ArgumentParser(
+    description='Launch stress tests in GKE',
+    formatter_class=argparse.ArgumentDefaultsHelpFormatter)
+argp.add_argument('--gcp_project_id',
+                  required=True,
+                  help='The Google Cloud Platform Project Id')
+argp.add_argument('--config_file',
+                  required=True,
+                  type=str,
+                  help='The test config file')
+argp.add_argument('--tear_down', action='store_true', default=False)
+
+if __name__ == '__main__':
+  args = argp.parse_args()
+
+  config_filename = args.config_file
+
+  # Since we will be changing the current working directory to grpc root in the
+  # next step, we should check if the config filename path is a relative path
+  # (i.e a path relative to the current working directory) and if so, convert it
+  # to abosulte path
+  if not os.path.isabs(config_filename):
+    config_filename = os.path.abspath(config_filename)
+
+  config = Config(config_filename, args.gcp_project_id)
+
+  # Change current working directory to grpc root
+  # (This is important because all relative file paths in the config file are
+  # supposed to interpreted as relative to the GRPC root)
+  grpc_root = os.path.abspath(os.path.join(
+      os.path.dirname(sys.argv[0]), '../../..'))
+  os.chdir(grpc_root)
+
+  # Note that tear_down is only in cases where we want to manually tear down a
+  # test that for some reason run_tests() could not cleanup
+  if args.tear_down:
+    tear_down(config)
+    sys.exit(1)
+
+  if not run_tests(config):
+    sys.exit(1)
diff --git a/tools/run_tests/stress_test/run_stress_tests_on_gke.py b/tools/run_tests/stress_test/run_stress_tests_on_gke.py
deleted file mode 100755
index 634eb1aca53265dc4fe6f2842f089d86c21b71bb..0000000000000000000000000000000000000000
--- a/tools/run_tests/stress_test/run_stress_tests_on_gke.py
+++ /dev/null
@@ -1,556 +0,0 @@
-#!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-import argparse
-import datetime
-import os
-import subprocess
-import sys
-import time
-
-stress_test_utils_dir = os.path.abspath(os.path.join(
-    os.path.dirname(__file__), '../../gcp/stress_test'))
-sys.path.append(stress_test_utils_dir)
-from stress_test_utils import BigQueryHelper
-
-kubernetes_api_dir = os.path.abspath(os.path.join(
-    os.path.dirname(__file__), '../../gcp/utils'))
-sys.path.append(kubernetes_api_dir)
-
-import kubernetes_api
-
-_GRPC_ROOT = os.path.abspath(os.path.join(
-    os.path.dirname(sys.argv[0]), '../../..'))
-os.chdir(_GRPC_ROOT)
-
-# num of seconds to wait for the GKE image to start and warmup
-_GKE_IMAGE_WARMUP_WAIT_SECS = 60
-
-_SERVER_POD_NAME = 'stress-server'
-_CLIENT_POD_NAME_PREFIX = 'stress-client'
-_DATASET_ID_PREFIX = 'stress_test'
-_SUMMARY_TABLE_ID = 'summary'
-_QPS_TABLE_ID = 'qps'
-
-_DEFAULT_DOCKER_IMAGE_NAME = 'grpc_stress_test'
-
-# The default port on which the kubernetes proxy server is started on localhost
-# (i.e kubectl proxy --port=<port>)
-_DEFAULT_KUBERNETES_PROXY_PORT = 8001
-
-# How frequently should the stress client wrapper script (running inside a GKE
-# container) poll the health of the stress client (also running inside the GKE
-# container) and upload metrics to BigQuery
-_DEFAULT_STRESS_CLIENT_POLL_INTERVAL_SECS = 60
-
-# The default setting for stress test server and client
-_DEFAULT_STRESS_SERVER_PORT = 8080
-_DEFAULT_METRICS_PORT = 8081
-_DEFAULT_TEST_CASES_STR = 'empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1'
-_DEFAULT_NUM_CHANNELS_PER_SERVER = 5
-_DEFAULT_NUM_STUBS_PER_CHANNEL = 10
-_DEFAULT_METRICS_COLLECTION_INTERVAL_SECS = 30
-
-# Number of stress client instances to launch
-_DEFAULT_NUM_CLIENTS = 3
-
-# How frequently should this test monitor the health of Stress clients and
-# Servers running in GKE
-_DEFAULT_TEST_POLL_INTERVAL_SECS = 60
-
-# Default run time for this test (2 hour)
-_DEFAULT_TEST_DURATION_SECS = 7200
-
-# The number of seconds it would take a GKE pod to warm up (i.e get to 'Running'
-# state from the time of creation). Ideally this is something the test should
-# automatically determine by using Kubernetes API to poll the pods status.
-_DEFAULT_GKE_WARMUP_SECS = 60
-
-
-class KubernetesProxy:
-  """ Class to start a proxy on localhost to the Kubernetes API server """
-
-  def __init__(self, api_port):
-    self.port = api_port
-    self.p = None
-    self.started = False
-
-  def start(self):
-    cmd = ['kubectl', 'proxy', '--port=%d' % self.port]
-    self.p = subprocess.Popen(args=cmd)
-    self.started = True
-    time.sleep(2)
-    print '..Started'
-
-  def get_port(self):
-    return self.port
-
-  def is_started(self):
-    return self.started
-
-  def __del__(self):
-    if self.p is not None:
-      print 'Shutting down Kubernetes proxy..'
-      self.p.kill()
-
-
-class TestSettings:
-
-  def __init__(self, build_docker_image, test_poll_interval_secs,
-               test_duration_secs, kubernetes_proxy_port):
-    self.build_docker_image = build_docker_image
-    self.test_poll_interval_secs = test_poll_interval_secs
-    self.test_duration_secs = test_duration_secs
-    self.kubernetes_proxy_port = kubernetes_proxy_port
-
-
-class GkeSettings:
-
-  def __init__(self, project_id, docker_image_name):
-    self.project_id = project_id
-    self.docker_image_name = docker_image_name
-    self.tag_name = 'gcr.io/%s/%s' % (project_id, docker_image_name)
-
-
-class BigQuerySettings:
-
-  def __init__(self, run_id, dataset_id, summary_table_id, qps_table_id):
-    self.run_id = run_id
-    self.dataset_id = dataset_id
-    self.summary_table_id = summary_table_id
-    self.qps_table_id = qps_table_id
-
-
-class StressServerSettings:
-
-  def __init__(self, server_pod_name, server_port):
-    self.server_pod_name = server_pod_name
-    self.server_port = server_port
-
-
-class StressClientSettings:
-
-  def __init__(self, num_clients, client_pod_name_prefix, server_pod_name,
-               server_port, metrics_port, metrics_collection_interval_secs,
-               stress_client_poll_interval_secs, num_channels_per_server,
-               num_stubs_per_channel, test_cases_str):
-    self.num_clients = num_clients
-    self.client_pod_name_prefix = client_pod_name_prefix
-    self.server_pod_name = server_pod_name
-    self.server_port = server_port
-    self.metrics_port = metrics_port
-    self.metrics_collection_interval_secs = metrics_collection_interval_secs
-    self.stress_client_poll_interval_secs = stress_client_poll_interval_secs
-    self.num_channels_per_server = num_channels_per_server
-    self.num_stubs_per_channel = num_stubs_per_channel
-    self.test_cases_str = test_cases_str
-
-    # == Derived properties ==
-    # Note: Client can accept a list of server addresses (a comma separated list
-    # of 'server_name:server_port'). In this case, we only have one server
-    # address to pass
-    self.server_addresses = '%s.default.svc.cluster.local:%d' % (
-        server_pod_name, server_port)
-    self.client_pod_names_list = ['%s-%d' % (client_pod_name_prefix, i)
-                                  for i in range(1, num_clients + 1)]
-
-
-def _build_docker_image(image_name, tag_name):
-  """ Build the docker image and add tag it to the GKE repository """
-  print 'Building docker image: %s' % image_name
-  os.environ['INTEROP_IMAGE'] = image_name
-  os.environ['INTEROP_IMAGE_REPOSITORY_TAG'] = tag_name
-  # Note that 'BASE_NAME' HAS to be 'grpc_interop_stress_cxx' since the script
-  # build_interop_stress_image.sh invokes the following script:
-  #   tools/dockerfile/$BASE_NAME/build_interop_stress.sh
-  os.environ['BASE_NAME'] = 'grpc_interop_stress_cxx'
-  cmd = ['tools/jenkins/build_interop_stress_image.sh']
-  retcode = subprocess.call(args=cmd)
-  if retcode != 0:
-    print 'Error in building docker image'
-    return False
-  return True
-
-
-def _push_docker_image_to_gke_registry(docker_tag_name):
-  """Executes 'gcloud docker push <docker_tag_name>' to push the image to GKE registry"""
-  cmd = ['gcloud', 'docker', 'push', docker_tag_name]
-  print 'Pushing %s to GKE registry..' % docker_tag_name
-  retcode = subprocess.call(args=cmd)
-  if retcode != 0:
-    print 'Error in pushing docker image %s to the GKE registry' % docker_tag_name
-    return False
-  return True
-
-
-def _launch_server(gke_settings, stress_server_settings, bq_settings,
-                   kubernetes_proxy):
-  """ Launches a stress test server instance in GKE cluster """
-  if not kubernetes_proxy.is_started:
-    print 'Kubernetes proxy must be started before calling this function'
-    return False
-
-  # This is the wrapper script that is run in the container. This script runs
-  # the actual stress test server
-  server_cmd_list = ['/var/local/git/grpc/tools/gcp/stress_test/run_server.py']
-
-  # run_server.py does not take any args from the command line. The args are
-  # instead passed via environment variables (see server_env below)
-  server_arg_list = []
-
-  # The parameters to the script run_server.py are injected into the container
-  # via environment variables
-  server_env = {
-      'STRESS_TEST_IMAGE_TYPE': 'SERVER',
-      'STRESS_TEST_IMAGE': '/var/local/git/grpc/bins/opt/interop_server',
-      'STRESS_TEST_ARGS_STR': '--port=%s' % stress_server_settings.server_port,
-      'RUN_ID': bq_settings.run_id,
-      'POD_NAME': stress_server_settings.server_pod_name,
-      'GCP_PROJECT_ID': gke_settings.project_id,
-      'DATASET_ID': bq_settings.dataset_id,
-      'SUMMARY_TABLE_ID': bq_settings.summary_table_id,
-      'QPS_TABLE_ID': bq_settings.qps_table_id
-  }
-
-  # Launch Server
-  is_success = kubernetes_api.create_pod_and_service(
-      'localhost',
-      kubernetes_proxy.get_port(),
-      'default',  # Use 'default' namespace
-      stress_server_settings.server_pod_name,
-      gke_settings.tag_name,
-      [stress_server_settings.server_port],  # Port that should be exposed
-      server_cmd_list,
-      server_arg_list,
-      server_env,
-      True  # Headless = True for server. Since we want DNS records to be created by GKE
-  )
-
-  return is_success
-
-
-def _launch_client(gke_settings, stress_server_settings, stress_client_settings,
-                   bq_settings, kubernetes_proxy):
-  """ Launches a configurable number of stress test clients on GKE cluster """
-  if not kubernetes_proxy.is_started:
-    print 'Kubernetes proxy must be started before calling this function'
-    return False
-
-  stress_client_arg_list = [
-      '--server_addresses=%s' % stress_client_settings.server_addresses,
-      '--test_cases=%s' % stress_client_settings.test_cases_str,
-      '--num_stubs_per_channel=%d' %
-      stress_client_settings.num_stubs_per_channel
-  ]
-
-  # This is the wrapper script that is run in the container. This script runs
-  # the actual stress client
-  client_cmd_list = ['/var/local/git/grpc/tools/gcp/stress_test/run_client.py']
-
-  # run_client.py takes no args. All args are passed as env variables (see
-  # client_env)
-  client_arg_list = []
-
-  metrics_server_address = 'localhost:%d' % stress_client_settings.metrics_port
-  metrics_client_arg_list = [
-      '--metrics_server_address=%s' % metrics_server_address,
-      '--total_only=true'
-  ]
-
-  # The parameters to the script run_client.py are injected into the container
-  # via environment variables
-  client_env = {
-      'STRESS_TEST_IMAGE_TYPE': 'CLIENT',
-      'STRESS_TEST_IMAGE': '/var/local/git/grpc/bins/opt/stress_test',
-      'STRESS_TEST_ARGS_STR': ' '.join(stress_client_arg_list),
-      'METRICS_CLIENT_IMAGE': '/var/local/git/grpc/bins/opt/metrics_client',
-      'METRICS_CLIENT_ARGS_STR': ' '.join(metrics_client_arg_list),
-      'RUN_ID': bq_settings.run_id,
-      'POLL_INTERVAL_SECS':
-          str(stress_client_settings.stress_client_poll_interval_secs),
-      'GCP_PROJECT_ID': gke_settings.project_id,
-      'DATASET_ID': bq_settings.dataset_id,
-      'SUMMARY_TABLE_ID': bq_settings.summary_table_id,
-      'QPS_TABLE_ID': bq_settings.qps_table_id
-  }
-
-  for pod_name in stress_client_settings.client_pod_names_list:
-    client_env['POD_NAME'] = pod_name
-    is_success = kubernetes_api.create_pod_and_service(
-        'localhost',  # Since proxy is running on localhost
-        kubernetes_proxy.get_port(),
-        'default',  # default namespace
-        pod_name,
-        gke_settings.tag_name,
-        [stress_client_settings.metrics_port
-        ],  # Client pods expose metrics port
-        client_cmd_list,
-        client_arg_list,
-        client_env,
-        False  # Client is not a headless service
-    )
-    if not is_success:
-      print 'Error in launching client %s' % pod_name
-      return False
-
-  return True
-
-
-def _launch_server_and_client(gke_settings, stress_server_settings,
-                              stress_client_settings, bq_settings,
-                              kubernetes_proxy_port):
-  # Start kubernetes proxy
-  print 'Kubernetes proxy'
-  kubernetes_proxy = KubernetesProxy(kubernetes_proxy_port)
-  kubernetes_proxy.start()
-
-  print 'Launching server..'
-  is_success = _launch_server(gke_settings, stress_server_settings, bq_settings,
-                              kubernetes_proxy)
-  if not is_success:
-    print 'Error in launching server'
-    return False
-
-  # Server takes a while to start.
-  # TODO(sree) Use Kubernetes API to query the status of the server instead of
-  # sleeping
-  print 'Waiting for %s seconds for the server to start...' % _GKE_IMAGE_WARMUP_WAIT_SECS
-  time.sleep(_GKE_IMAGE_WARMUP_WAIT_SECS)
-
-  # Launch client
-  client_pod_name_prefix = 'stress-client'
-  is_success = _launch_client(gke_settings, stress_server_settings,
-                              stress_client_settings, bq_settings,
-                              kubernetes_proxy)
-
-  if not is_success:
-    print 'Error in launching client(s)'
-    return False
-
-  print 'Waiting for %s seconds for the client images to start...' % _GKE_IMAGE_WARMUP_WAIT_SECS
-  time.sleep(_GKE_IMAGE_WARMUP_WAIT_SECS)
-  return True
-
-
-def _delete_server_and_client(stress_server_settings, stress_client_settings,
-                              kubernetes_proxy_port):
-  kubernetes_proxy = KubernetesProxy(kubernetes_proxy_port)
-  kubernetes_proxy.start()
-
-  # Delete clients first
-  is_success = True
-  for pod_name in stress_client_settings.client_pod_names_list:
-    is_success = kubernetes_api.delete_pod_and_service(
-        'localhost', kubernetes_proxy_port, 'default', pod_name)
-    if not is_success:
-      return False
-
-  # Delete server
-  is_success = kubernetes_api.delete_pod_and_service(
-      'localhost', kubernetes_proxy_port, 'default',
-      stress_server_settings.server_pod_name)
-  return is_success
-
-
-def run_test_main(test_settings, gke_settings, stress_server_settings,
-                  stress_client_clients):
-  is_success = True
-
-  if test_settings.build_docker_image:
-    is_success = _build_docker_image(gke_settings.docker_image_name,
-                                     gke_settings.tag_name)
-    if not is_success:
-      return False
-
-    is_success = _push_docker_image_to_gke_registry(gke_settings.tag_name)
-    if not is_success:
-      return False
-
-  # Create a unique id for this run (Note: Using timestamp instead of UUID to
-  # make it easier to deduce the date/time of the run just by looking at the run
-  # run id. This is useful in debugging when looking at records in Biq query)
-  run_id = datetime.datetime.now().strftime('%Y_%m_%d_%H_%M_%S')
-  dataset_id = '%s_%s' % (_DATASET_ID_PREFIX, run_id)
-
-  # Big Query settings (common for both Stress Server and Client)
-  bq_settings = BigQuerySettings(run_id, dataset_id, _SUMMARY_TABLE_ID,
-                                 _QPS_TABLE_ID)
-
-  bq_helper = BigQueryHelper(run_id, '', '', args.project_id, dataset_id,
-                             _SUMMARY_TABLE_ID, _QPS_TABLE_ID)
-  bq_helper.initialize()
-
-  try:
-    is_success = _launch_server_and_client(gke_settings, stress_server_settings,
-                                           stress_client_settings, bq_settings,
-                                           test_settings.kubernetes_proxy_port)
-    if not is_success:
-      return False
-
-    start_time = datetime.datetime.now()
-    end_time = start_time + datetime.timedelta(
-        seconds=test_settings.test_duration_secs)
-    print 'Running the test until %s' % end_time.isoformat()
-
-    while True:
-      if datetime.datetime.now() > end_time:
-        print 'Test was run for %d seconds' % test_settings.test_duration_secs
-        break
-
-      # Check if either stress server or clients have failed
-      if bq_helper.check_if_any_tests_failed():
-        is_success = False
-        print 'Some tests failed.'
-        break
-
-      # Things seem to be running fine. Wait until next poll time to check the
-      # status
-      print 'Sleeping for %d seconds..' % test_settings.test_poll_interval_secs
-      time.sleep(test_settings.test_poll_interval_secs)
-
-    # Print BiqQuery tables
-    bq_helper.print_summary_records()
-    bq_helper.print_qps_records()
-
-  finally:
-    # If is_success is False at this point, it means that the stress tests were
-    # started successfully but failed while running the tests. In this case we
-    # do should not delete the pods (since they contain all the failure
-    # information)
-    if is_success:
-      _delete_server_and_client(stress_server_settings, stress_client_settings,
-                                test_settings.kubernetes_proxy_port)
-
-  return is_success
-
-
-argp = argparse.ArgumentParser(
-    description='Launch stress tests in GKE',
-    formatter_class=argparse.ArgumentDefaultsHelpFormatter)
-argp.add_argument('--project_id',
-                  required=True,
-                  help='The Google Cloud Platform Project Id')
-argp.add_argument('--num_clients',
-                  default=1,
-                  type=int,
-                  help='Number of client instances to start')
-argp.add_argument('--docker_image_name',
-                  default=_DEFAULT_DOCKER_IMAGE_NAME,
-                  help='The name of the docker image containing stress client '
-                  'and stress servers')
-argp.add_argument('--build_docker_image',
-                  dest='build_docker_image',
-                  action='store_true',
-                  help='Build a docker image and push to Google Container '
-                  'Registry')
-argp.add_argument('--do_not_build_docker_image',
-                  dest='build_docker_image',
-                  action='store_false',
-                  help='Do not build and push docker image to Google Container '
-                  'Registry')
-argp.set_defaults(build_docker_image=True)
-
-argp.add_argument('--test_poll_interval_secs',
-                  default=_DEFAULT_TEST_POLL_INTERVAL_SECS,
-                  type=int,
-                  help='How frequently should this script should monitor the '
-                  'health of stress clients and servers running in the GKE '
-                  'cluster')
-argp.add_argument('--test_duration_secs',
-                  default=_DEFAULT_TEST_DURATION_SECS,
-                  type=int,
-                  help='How long should this test be run')
-argp.add_argument('--kubernetes_proxy_port',
-                  default=_DEFAULT_KUBERNETES_PROXY_PORT,
-                  type=int,
-                  help='The port on which the kubernetes proxy (on localhost)'
-                  ' is started')
-argp.add_argument('--stress_server_port',
-                  default=_DEFAULT_STRESS_SERVER_PORT,
-                  type=int,
-                  help='The port on which the stress server (in GKE '
-                  'containers) listens')
-argp.add_argument('--stress_client_metrics_port',
-                  default=_DEFAULT_METRICS_PORT,
-                  type=int,
-                  help='The port on which the stress clients (in GKE '
-                  'containers) expose metrics')
-argp.add_argument('--stress_client_poll_interval_secs',
-                  default=_DEFAULT_STRESS_CLIENT_POLL_INTERVAL_SECS,
-                  type=int,
-                  help='How frequently should the stress client wrapper script'
-                  ' running inside GKE should monitor health of the actual '
-                  ' stress client process and upload the metrics to BigQuery')
-argp.add_argument('--stress_client_metrics_collection_interval_secs',
-                  default=_DEFAULT_METRICS_COLLECTION_INTERVAL_SECS,
-                  type=int,
-                  help='How frequently should metrics be collected in-memory on'
-                  ' the stress clients (running inside GKE containers). Note '
-                  'that this is NOT the same as the upload-to-BigQuery '
-                  'frequency. The metrics upload frequency is controlled by the'
-                  ' --stress_client_poll_interval_secs flag')
-argp.add_argument('--stress_client_num_channels_per_server',
-                  default=_DEFAULT_NUM_CHANNELS_PER_SERVER,
-                  type=int,
-                  help='The number of channels created to each server from a '
-                  'stress client')
-argp.add_argument('--stress_client_num_stubs_per_channel',
-                  default=_DEFAULT_NUM_STUBS_PER_CHANNEL,
-                  type=int,
-                  help='The number of stubs created per channel. This number '
-                  'indicates the max number of RPCs that can be made in '
-                  'parallel on each channel at any given time')
-argp.add_argument('--stress_client_test_cases',
-                  default=_DEFAULT_TEST_CASES_STR,
-                  help='List of test cases (with weights) to be executed by the'
-                  ' stress test client. The list is in the following format:\n'
-                  '  <testcase_1:w_1,<test_case2:w_2>..<testcase_n:w_n>\n'
-                  ' (Note: The weights do not have to add up to 100)')
-
-if __name__ == '__main__':
-  args = argp.parse_args()
-
-  test_settings = TestSettings(
-      args.build_docker_image, args.test_poll_interval_secs,
-      args.test_duration_secs, args.kubernetes_proxy_port)
-
-  gke_settings = GkeSettings(args.project_id, args.docker_image_name)
-
-  stress_server_settings = StressServerSettings(_SERVER_POD_NAME,
-                                                args.stress_server_port)
-  stress_client_settings = StressClientSettings(
-      args.num_clients, _CLIENT_POD_NAME_PREFIX, _SERVER_POD_NAME,
-      args.stress_server_port, args.stress_client_metrics_port,
-      args.stress_client_metrics_collection_interval_secs,
-      args.stress_client_poll_interval_secs,
-      args.stress_client_num_channels_per_server,
-      args.stress_client_num_stubs_per_channel, args.stress_client_test_cases)
-
-  run_test_main(test_settings, gke_settings, stress_server_settings,
-                stress_client_settings)
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 784dfd865bd8d4adec6486c4e98f445e5316dfbd..245108a48179a521f60d02a89d42c80dd4b32297 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -432,6 +432,25 @@
       "posix"
     ]
   }, 
+  {
+    "args": [], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "gtest": false, 
+    "language": "c", 
+    "name": "goaway_server_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
   {
     "args": [], 
     "ci_platforms": [
@@ -1094,7 +1113,7 @@
     "flaky": false, 
     "gtest": false, 
     "language": "c", 
-    "name": "httpcli_format_request_test", 
+    "name": "http_parser_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -1115,7 +1134,7 @@
     "flaky": false, 
     "gtest": false, 
     "language": "c", 
-    "name": "httpcli_parser_test", 
+    "name": "httpcli_format_request_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -1293,7 +1312,7 @@
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
-    "flaky": false, 
+    "flaky": true, 
     "gtest": false, 
     "language": "c", 
     "name": "lb_policies_test", 
@@ -1335,7 +1354,7 @@
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
-    "flaky": false, 
+    "flaky": true, 
     "gtest": false, 
     "language": "c", 
     "name": "mlog_test", 
@@ -2053,7 +2072,28 @@
     "flaky": false, 
     "gtest": true, 
     "language": "c++", 
-    "name": "codegen_test", 
+    "name": "codegen_test_full", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "args": [], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "gtest": true, 
+    "language": "c++", 
+    "name": "codegen_test_minimal", 
     "platforms": [
       "linux", 
       "mac", 
@@ -2227,6 +2267,27 @@
       "windows"
     ]
   }, 
+  {
+    "args": [], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "gtest": true, 
+    "language": "c++", 
+    "name": "golden_file_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "args": [], 
     "ci_platforms": [
@@ -2589,6 +2650,27 @@
       "windows"
     ]
   }, 
+  {
+    "args": [], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "gtest": false, 
+    "language": "c", 
+    "name": "head_of_line_blocking_bad_client_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "args": [], 
     "ci_platforms": [
@@ -2777,6 +2859,30 @@
       "windows"
     ]
   }, 
+  {
+    "args": [], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [
+      "asan"
+    ], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "boringssl_asn1_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "args": [], 
     "boringssl": true, 
@@ -4155,6 +4261,30 @@
       "windows"
     ]
   }, 
+  {
+    "args": [], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [
+      "asan"
+    ], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "boringssl_x509_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "args": [], 
     "boringssl": true, 
@@ -4559,6 +4689,28 @@
       "posix"
     ]
   }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
   {
     "args": [
       "graceful_server_shutdown"
@@ -4625,6 +4777,28 @@
       "posix"
     ]
   }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
   {
     "args": [
       "invoke_large_request"
@@ -5351,6 +5525,28 @@
       "posix"
     ]
   }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
   {
     "args": [
       "graceful_server_shutdown"
@@ -5417,6 +5613,28 @@
       "posix"
     ]
   }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
   {
     "args": [
       "invoke_large_request"
@@ -6131,14 +6349,14 @@
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -6152,14 +6370,14 @@
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "graceful_server_shutdown"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -6173,7 +6391,7 @@
   }, 
   {
     "args": [
-      "hpack_size"
+      "high_initial_seqno"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6194,7 +6412,7 @@
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "hpack_size"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6215,7 +6433,7 @@
   }, 
   {
     "args": [
-      "large_metadata"
+      "idempotent_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6236,7 +6454,7 @@
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "invoke_large_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6257,14 +6475,14 @@
   }, 
   {
     "args": [
-      "max_message_length"
+      "large_metadata"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -6278,7 +6496,7 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "max_concurrent_streams"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6299,14 +6517,14 @@
   }, 
   {
     "args": [
-      "no_op"
+      "max_message_length"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -6320,14 +6538,14 @@
   }, 
   {
     "args": [
-      "payload"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -6341,7 +6559,7 @@
   }, 
   {
     "args": [
-      "ping"
+      "no_op"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6362,14 +6580,14 @@
   }, 
   {
     "args": [
-      "ping_pong_streaming"
+      "payload"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
@@ -6383,7 +6601,7 @@
   }, 
   {
     "args": [
-      "registered_call"
+      "ping"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6404,7 +6622,7 @@
   }, 
   {
     "args": [
-      "request_with_flags"
+      "ping_pong_streaming"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6425,7 +6643,7 @@
   }, 
   {
     "args": [
-      "request_with_payload"
+      "registered_call"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6446,7 +6664,7 @@
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "request_with_flags"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6467,7 +6685,7 @@
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "request_with_payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6488,7 +6706,49 @@
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "server_finishes_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fakesec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "shutdown_finishes_calls"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fakesec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
       "windows", 
@@ -6899,6 +7159,28 @@
       "posix"
     ]
   }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
   {
     "args": [
       "graceful_server_shutdown"
@@ -6965,6 +7247,28 @@
       "posix"
     ]
   }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
   {
     "args": [
       "invoke_large_request"
@@ -7607,6 +7911,22 @@
       "linux"
     ]
   }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "args": [
       "graceful_server_shutdown"
@@ -7655,6 +7975,22 @@
       "linux"
     ]
   }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "args": [
       "invoke_large_request"
@@ -7964,15 +8300,21 @@
       "bad_hostname"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -7980,15 +8322,21 @@
       "binary_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -7996,15 +8344,21 @@
       "call_creds"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8012,15 +8366,21 @@
       "cancel_after_accept"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8028,15 +8388,21 @@
       "cancel_after_client_done"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8044,15 +8410,21 @@
       "cancel_after_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8060,15 +8432,21 @@
       "cancel_before_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8076,15 +8454,21 @@
       "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8092,15 +8476,21 @@
       "cancel_with_status"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8108,15 +8498,21 @@
       "compressed_payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8124,15 +8520,21 @@
       "connectivity"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8140,15 +8542,21 @@
       "default_host"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8156,15 +8564,21 @@
       "disappearing_server"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8172,15 +8586,43 @@
       "empty_batch"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+trace_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8188,15 +8630,21 @@
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8204,31 +8652,43 @@
       "high_initial_seqno"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "hpack_size"
+      "idempotent_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8236,15 +8696,21 @@
       "invoke_large_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8252,15 +8718,21 @@
       "large_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8268,15 +8740,21 @@
       "max_concurrent_streams"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8284,15 +8762,21 @@
       "max_message_length"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8300,15 +8784,21 @@
       "negative_deadline"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8316,15 +8806,21 @@
       "no_op"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8332,15 +8828,21 @@
       "payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8348,15 +8850,21 @@
       "ping"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8364,15 +8872,21 @@
       "ping_pong_streaming"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8380,15 +8894,21 @@
       "registered_call"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8396,15 +8916,21 @@
       "request_with_flags"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8412,15 +8938,21 @@
       "request_with_payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8428,15 +8960,21 @@
       "server_finishes_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8444,15 +8982,21 @@
       "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8460,15 +9004,21 @@
       "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8476,15 +9026,21 @@
       "simple_delayed_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8492,15 +9048,21 @@
       "simple_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8508,15 +9070,21 @@
       "simple_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8524,15 +9092,21 @@
       "trailing_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_test", 
+    "name": "h2_full+trace_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8540,15 +9114,20 @@
       "bad_hostname"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8556,31 +9135,41 @@
       "binary_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
-    ]
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
   }, 
   {
     "args": [
       "call_creds"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8588,15 +9177,20 @@
       "cancel_after_accept"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8604,15 +9198,20 @@
       "cancel_after_client_done"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8620,15 +9219,20 @@
       "cancel_after_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8636,15 +9240,20 @@
       "cancel_before_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8652,15 +9261,20 @@
       "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8668,15 +9282,20 @@
       "cancel_with_status"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8684,15 +9303,20 @@
       "compressed_payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8700,15 +9324,20 @@
       "connectivity"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8716,15 +9345,20 @@
       "default_host"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8732,15 +9366,20 @@
       "disappearing_server"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8748,15 +9387,41 @@
       "empty_batch"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_oauth2_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8764,15 +9429,20 @@
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8780,15 +9450,20 @@
       "high_initial_seqno"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8796,15 +9471,41 @@
       "hpack_size"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_oauth2_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8812,15 +9513,20 @@
       "invoke_large_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8828,15 +9534,20 @@
       "large_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8844,15 +9555,20 @@
       "max_concurrent_streams"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8860,15 +9576,20 @@
       "max_message_length"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8876,15 +9597,20 @@
       "negative_deadline"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8892,15 +9618,20 @@
       "no_op"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8908,15 +9639,20 @@
       "payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8924,15 +9660,20 @@
       "ping"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8940,15 +9681,20 @@
       "ping_pong_streaming"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8956,15 +9702,20 @@
       "registered_call"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8972,15 +9723,20 @@
       "request_with_flags"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -8988,15 +9744,20 @@
       "request_with_payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -9004,15 +9765,20 @@
       "server_finishes_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -9020,15 +9786,20 @@
       "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -9036,15 +9807,20 @@
       "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -9052,15 +9828,20 @@
       "simple_delayed_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -9068,15 +9849,20 @@
       "simple_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -9084,15 +9870,20 @@
       "simple_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -9100,15 +9891,20 @@
       "trailing_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_test", 
+    "name": "h2_oauth2_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -9124,7 +9920,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9145,7 +9941,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9166,7 +9962,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9187,7 +9983,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9208,7 +10004,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9229,7 +10025,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9250,7 +10046,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9271,7 +10067,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9292,7 +10088,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9302,18 +10098,18 @@
   }, 
   {
     "args": [
-      "compressed_payload"
+      "default_host"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9323,18 +10119,18 @@
   }, 
   {
     "args": [
-      "connectivity"
+      "disappearing_server"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9344,7 +10140,7 @@
   }, 
   {
     "args": [
-      "default_host"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9355,7 +10151,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9365,7 +10161,7 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9376,7 +10172,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9386,18 +10182,18 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "graceful_server_shutdown"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9407,18 +10203,18 @@
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "high_initial_seqno"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9428,7 +10224,7 @@
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "idempotent_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9439,7 +10235,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9449,7 +10245,7 @@
   }, 
   {
     "args": [
-      "hpack_size"
+      "invoke_large_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9460,7 +10256,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9470,7 +10266,7 @@
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "large_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9481,7 +10277,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9491,18 +10287,18 @@
   }, 
   {
     "args": [
-      "large_metadata"
+      "max_message_length"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9512,7 +10308,7 @@
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9523,7 +10319,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9533,18 +10329,18 @@
   }, 
   {
     "args": [
-      "max_message_length"
+      "no_op"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9554,18 +10350,18 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "payload"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9575,7 +10371,7 @@
   }, 
   {
     "args": [
-      "no_op"
+      "ping_pong_streaming"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9586,7 +10382,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9596,18 +10392,18 @@
   }, 
   {
     "args": [
-      "payload"
+      "registered_call"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9617,7 +10413,7 @@
   }, 
   {
     "args": [
-      "ping"
+      "request_with_payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9628,7 +10424,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9638,7 +10434,7 @@
   }, 
   {
     "args": [
-      "ping_pong_streaming"
+      "server_finishes_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9649,7 +10445,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9659,7 +10455,7 @@
   }, 
   {
     "args": [
-      "registered_call"
+      "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9670,7 +10466,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9680,7 +10476,7 @@
   }, 
   {
     "args": [
-      "request_with_flags"
+      "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9691,7 +10487,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9701,18 +10497,18 @@
   }, 
   {
     "args": [
-      "request_with_payload"
+      "simple_delayed_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9722,7 +10518,7 @@
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "simple_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9733,7 +10529,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9743,7 +10539,7 @@
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "simple_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9754,7 +10550,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9764,7 +10560,7 @@
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "trailing_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9775,7 +10571,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_proxy_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9785,28 +10581,7 @@
   }, 
   {
     "args": [
-      "simple_delayed_request"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_oauth2_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "simple_metadata"
+      "bad_hostname"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9817,7 +10592,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9827,7 +10602,7 @@
   }, 
   {
     "args": [
-      "simple_request"
+      "binary_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9838,7 +10613,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9848,7 +10623,7 @@
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "call_creds"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9859,7 +10634,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_oauth2_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9869,18 +10644,18 @@
   }, 
   {
     "args": [
-      "bad_hostname"
+      "cancel_after_accept"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9890,18 +10665,18 @@
   }, 
   {
     "args": [
-      "binary_metadata"
+      "cancel_after_client_done"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9911,18 +10686,18 @@
   }, 
   {
     "args": [
-      "call_creds"
+      "cancel_after_invoke"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9932,7 +10707,7 @@
   }, 
   {
     "args": [
-      "cancel_after_accept"
+      "cancel_before_invoke"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9943,7 +10718,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9953,7 +10728,7 @@
   }, 
   {
     "args": [
-      "cancel_after_client_done"
+      "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9964,7 +10739,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9974,7 +10749,7 @@
   }, 
   {
     "args": [
-      "cancel_after_invoke"
+      "cancel_with_status"
     ], 
     "ci_platforms": [
       "windows", 
@@ -9985,7 +10760,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -9995,7 +10770,7 @@
   }, 
   {
     "args": [
-      "cancel_before_invoke"
+      "compressed_payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -10006,7 +10781,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10016,18 +10791,18 @@
   }, 
   {
     "args": [
-      "cancel_in_a_vacuum"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10037,18 +10812,18 @@
   }, 
   {
     "args": [
-      "cancel_with_status"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10058,18 +10833,18 @@
   }, 
   {
     "args": [
-      "default_host"
+      "graceful_server_shutdown"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10079,7 +10854,7 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "high_initial_seqno"
     ], 
     "ci_platforms": [
       "windows", 
@@ -10090,7 +10865,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10100,7 +10875,7 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "hpack_size"
     ], 
     "ci_platforms": [
       "windows", 
@@ -10111,7 +10886,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10121,18 +10896,18 @@
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "idempotent_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10142,7 +10917,7 @@
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "invoke_large_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -10153,7 +10928,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10163,7 +10938,7 @@
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "large_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -10174,7 +10949,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10184,7 +10959,7 @@
   }, 
   {
     "args": [
-      "large_metadata"
+      "max_concurrent_streams"
     ], 
     "ci_platforms": [
       "windows", 
@@ -10195,7 +10970,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10216,7 +10991,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10237,7 +11012,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10258,7 +11033,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10279,7 +11054,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10300,7 +11075,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10321,7 +11096,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10331,7 +11106,7 @@
   }, 
   {
     "args": [
-      "request_with_payload"
+      "request_with_flags"
     ], 
     "ci_platforms": [
       "windows", 
@@ -10342,7 +11117,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10352,7 +11127,7 @@
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "request_with_payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -10363,7 +11138,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10373,7 +11148,7 @@
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "server_finishes_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -10384,7 +11159,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10394,7 +11169,7 @@
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
       "windows", 
@@ -10405,7 +11180,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10415,18 +11190,18 @@
   }, 
   {
     "args": [
-      "simple_delayed_request"
+      "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10447,7 +11222,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10468,7 +11243,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10489,7 +11264,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_test", 
+    "name": "h2_sockpair_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -10510,7 +11285,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -10531,7 +11306,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -10552,7 +11327,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -10573,7 +11348,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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@@ -10594,7 +11369,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -10615,7 +11390,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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@@ -10636,7 +11411,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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@@ -10657,7 +11432,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
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@@ -10678,7 +11453,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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@@ -10699,7 +11474,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -10720,7 +11495,28 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -10741,7 +11537,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -10762,7 +11558,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -10772,7 +11568,7 @@
   }, 
   {
     "args": [
-      "hpack_size"
+      "idempotent_request"
     ], 
     "ci_platforms": [
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@@ -10783,7 +11579,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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@@ -10804,7 +11600,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -10825,7 +11621,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
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@@ -10846,7 +11642,7 @@
     "exclude_configs": [], 
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     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
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@@ -10867,7 +11663,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
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@@ -10888,7 +11684,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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@@ -10909,7 +11705,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -10930,7 +11726,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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@@ -10951,7 +11747,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -10972,7 +11768,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -10993,7 +11789,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -11014,7 +11810,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -11035,7 +11831,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -11056,7 +11852,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -11077,7 +11873,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -11098,7 +11894,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -11119,7 +11915,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -11140,7 +11936,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_test", 
+    "name": "h2_sockpair+trace_test", 
     "platforms": [
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       "linux", 
@@ -11155,14 +11951,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11177,14 +11972,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
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     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11199,14 +11993,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11221,14 +12014,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11243,14 +12035,13 @@
     "ci_platforms": [
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       "linux", 
-      "mac", 
       "posix"
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11265,14 +12056,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11287,14 +12077,13 @@
     "ci_platforms": [
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       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11309,14 +12098,13 @@
     "ci_platforms": [
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       "linux", 
-      "mac", 
       "posix"
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11331,14 +12119,13 @@
     "ci_platforms": [
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       "linux", 
-      "mac", 
       "posix"
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11353,14 +12140,13 @@
     "ci_platforms": [
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       "linux", 
-      "mac", 
       "posix"
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11373,16 +12159,36 @@
       "empty_batch"
     ], 
     "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_test", 
+    "platforms": [
       "windows", 
       "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11397,14 +12203,13 @@
     "ci_platforms": [
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       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11417,16 +12222,36 @@
       "high_initial_seqno"
     ], 
     "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_test", 
+    "platforms": [
       "windows", 
       "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "hpack_size"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11436,19 +12261,39 @@
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "idempotent_request"
     ], 
     "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_test", 
+    "platforms": [
       "windows", 
       "linux", 
       "mac", 
       "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "invoke_large_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11463,14 +12308,13 @@
     "ci_platforms": [
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       "linux", 
-      "mac", 
       "posix"
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11485,14 +12329,13 @@
     "ci_platforms": [
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       "linux", 
-      "mac", 
       "posix"
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11507,14 +12350,13 @@
     "ci_platforms": [
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       "linux", 
-      "mac", 
       "posix"
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     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11529,14 +12371,13 @@
     "ci_platforms": [
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       "linux", 
-      "mac", 
       "posix"
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11551,14 +12392,13 @@
     "ci_platforms": [
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       "posix"
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11573,14 +12413,13 @@
     "ci_platforms": [
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       "linux", 
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       "posix"
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     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11595,14 +12434,13 @@
     "ci_platforms": [
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-      "mac", 
       "posix"
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11617,14 +12455,13 @@
     "ci_platforms": [
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11639,14 +12476,13 @@
     "ci_platforms": [
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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@@ -11661,14 +12497,13 @@
     "ci_platforms": [
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11683,14 +12518,13 @@
     "ci_platforms": [
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       "linux", 
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11705,14 +12539,13 @@
     "ci_platforms": [
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11727,14 +12560,13 @@
     "ci_platforms": [
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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@@ -11749,14 +12581,13 @@
     "ci_platforms": [
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     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11771,14 +12602,13 @@
     "ci_platforms": [
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     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
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       "linux", 
@@ -11793,14 +12623,13 @@
     "ci_platforms": [
       "windows", 
       "linux", 
-      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair+trace_test", 
+    "name": "h2_sockpair_1byte_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11815,13 +12644,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11836,13 +12666,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11857,13 +12688,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11878,13 +12710,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11899,13 +12732,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11920,13 +12754,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11941,13 +12776,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11962,13 +12798,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -11983,13 +12820,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12004,13 +12842,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12020,18 +12859,19 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "connectivity"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12041,18 +12881,19 @@
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "default_host"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12062,18 +12903,19 @@
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "disappearing_server"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12083,18 +12925,19 @@
   }, 
   {
     "args": [
-      "hpack_size"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12104,18 +12947,19 @@
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12125,18 +12969,19 @@
   }, 
   {
     "args": [
-      "large_metadata"
+      "graceful_server_shutdown"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12146,18 +12991,19 @@
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "high_initial_seqno"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12167,18 +13013,19 @@
   }, 
   {
     "args": [
-      "max_message_length"
+      "hpack_size"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12188,18 +13035,19 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "idempotent_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12209,18 +13057,19 @@
   }, 
   {
     "args": [
-      "no_op"
+      "invoke_large_request"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12230,18 +13079,19 @@
   }, 
   {
     "args": [
-      "payload"
+      "large_metadata"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12251,18 +13101,19 @@
   }, 
   {
     "args": [
-      "ping_pong_streaming"
+      "max_concurrent_streams"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12272,18 +13123,19 @@
   }, 
   {
     "args": [
-      "registered_call"
+      "max_message_length"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12293,18 +13145,19 @@
   }, 
   {
     "args": [
-      "request_with_flags"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12314,18 +13167,19 @@
   }, 
   {
     "args": [
-      "request_with_payload"
+      "no_op"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12335,18 +13189,19 @@
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "payload"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12356,18 +13211,19 @@
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "ping"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12377,18 +13233,19 @@
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "ping_pong_streaming"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12398,18 +13255,173 @@
   }, 
   {
     "args": [
-      "simple_metadata"
+      "registered_call"
     ], 
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "request_with_flags"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "request_with_payload"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "server_finishes_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "shutdown_finishes_calls"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "shutdown_finishes_tags"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_delayed_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12424,13 +13436,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12445,13 +13458,14 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_sockpair_1byte_test", 
+    "name": "h2_ssl_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12473,7 +13487,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12495,7 +13509,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12517,7 +13531,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12539,7 +13553,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12561,7 +13575,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12583,7 +13597,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12605,7 +13619,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12627,7 +13641,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12649,7 +13663,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12671,7 +13685,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12693,7 +13707,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12715,7 +13729,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12737,7 +13751,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12759,7 +13773,29 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12781,7 +13817,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12803,7 +13839,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12825,7 +13861,29 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12847,7 +13905,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12869,7 +13927,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12891,7 +13949,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12913,7 +13971,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12935,7 +13993,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12957,7 +14015,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -12979,7 +14037,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13001,7 +14059,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13023,7 +14081,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13045,7 +14103,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13067,7 +14125,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13089,7 +14147,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13111,7 +14169,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13133,7 +14191,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13155,7 +14213,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13177,7 +14235,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13199,7 +14257,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13221,7 +14279,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13243,7 +14301,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_test", 
+    "name": "h2_ssl_cert_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -13256,15 +14314,20 @@
       "bad_hostname"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13272,15 +14335,20 @@
       "binary_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13288,15 +14356,20 @@
       "call_creds"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13304,15 +14377,20 @@
       "cancel_after_accept"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13320,15 +14398,20 @@
       "cancel_after_client_done"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13336,15 +14419,20 @@
       "cancel_after_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13352,15 +14440,20 @@
       "cancel_before_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13368,15 +14461,20 @@
       "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13384,95 +14482,104 @@
       "cancel_with_status"
     ], 
     "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_ssl+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "compressed_payload"
-    ], 
-    "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "connectivity"
+      "default_host"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "default_host"
+      "disappearing_server"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "disappearing_server"
+      "empty_batch"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "empty_batch"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13480,15 +14587,20 @@
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13496,31 +14608,41 @@
       "high_initial_seqno"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "hpack_size"
+      "idempotent_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13528,15 +14650,20 @@
       "invoke_large_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13544,31 +14671,20 @@
       "large_metadata"
     ], 
     "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_ssl+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "max_concurrent_streams"
-    ], 
-    "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13576,15 +14692,20 @@
       "max_message_length"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13592,15 +14713,20 @@
       "negative_deadline"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13608,15 +14734,20 @@
       "no_op"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -13624,225 +14755,287 @@
       "payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "ping"
+      "ping_pong_streaming"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "ping_pong_streaming"
+      "registered_call"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "registered_call"
+      "request_with_payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "request_with_flags"
+      "server_finishes_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "request_with_payload"
+      "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "simple_delayed_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "simple_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "simple_delayed_request"
+      "simple_request"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "simple_metadata"
+      "trailing_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_ssl_proxy_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "simple_request"
+      "bad_hostname"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "binary_metadata"
     ], 
     "ci_platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl+poll_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "linux"
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "bad_hostname"
+      "call_creds"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -13850,20 +15043,19 @@
   }, 
   {
     "args": [
-      "binary_metadata"
+      "cancel_after_accept"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -13871,20 +15063,19 @@
   }, 
   {
     "args": [
-      "call_creds"
+      "cancel_after_client_done"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -13892,20 +15083,19 @@
   }, 
   {
     "args": [
-      "cancel_after_accept"
+      "cancel_after_invoke"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -13913,20 +15103,19 @@
   }, 
   {
     "args": [
-      "cancel_after_client_done"
+      "cancel_before_invoke"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -13934,20 +15123,19 @@
   }, 
   {
     "args": [
-      "cancel_after_invoke"
+      "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -13955,20 +15143,19 @@
   }, 
   {
     "args": [
-      "cancel_before_invoke"
+      "cancel_with_status"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -13976,20 +15163,19 @@
   }, 
   {
     "args": [
-      "cancel_in_a_vacuum"
+      "compressed_payload"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -13997,20 +15183,19 @@
   }, 
   {
     "args": [
-      "cancel_with_status"
+      "connectivity"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14018,20 +15203,19 @@
   }, 
   {
     "args": [
-      "default_host"
+      "disappearing_server"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14039,20 +15223,19 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "empty_batch"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14060,20 +15243,19 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14084,17 +15266,16 @@
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14105,17 +15286,56 @@
       "high_initial_seqno"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "hpack_size"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14126,17 +15346,16 @@
       "invoke_large_request"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14147,17 +15366,36 @@
       "large_metadata"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "max_concurrent_streams"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14168,17 +15406,16 @@
       "max_message_length"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14189,17 +15426,16 @@
       "negative_deadline"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14210,17 +15446,16 @@
       "no_op"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14231,17 +15466,36 @@
       "payload"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "ping"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14252,17 +15506,16 @@
       "ping_pong_streaming"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14273,17 +15526,36 @@
       "registered_call"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "request_with_flags"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14294,17 +15566,16 @@
       "request_with_payload"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14315,17 +15586,16 @@
       "server_finishes_request"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14336,17 +15606,16 @@
       "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14357,17 +15626,16 @@
       "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14378,17 +15646,16 @@
       "simple_delayed_request"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14399,17 +15666,16 @@
       "simple_metadata"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14420,17 +15686,16 @@
       "simple_request"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14441,17 +15706,16 @@
       "trailing_metadata"
     ], 
     "ci_platforms": [
-      "windows", 
       "linux", 
+      "mac", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_ssl_proxy_test", 
+    "name": "h2_uds_test", 
     "platforms": [
-      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -14471,7 +15735,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14493,7 +15757,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14503,7 +15767,7 @@
   }, 
   {
     "args": [
-      "call_creds"
+      "cancel_after_accept"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14511,11 +15775,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14525,7 +15789,7 @@
   }, 
   {
     "args": [
-      "cancel_after_accept"
+      "cancel_after_client_done"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14537,7 +15801,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14547,7 +15811,7 @@
   }, 
   {
     "args": [
-      "cancel_after_client_done"
+      "cancel_after_invoke"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14559,7 +15823,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14569,7 +15833,7 @@
   }, 
   {
     "args": [
-      "cancel_after_invoke"
+      "cancel_before_invoke"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14581,7 +15845,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14591,7 +15855,7 @@
   }, 
   {
     "args": [
-      "cancel_before_invoke"
+      "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14603,7 +15867,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14613,7 +15877,7 @@
   }, 
   {
     "args": [
-      "cancel_in_a_vacuum"
+      "cancel_with_status"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14625,7 +15889,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14635,7 +15899,7 @@
   }, 
   {
     "args": [
-      "cancel_with_status"
+      "compressed_payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14647,7 +15911,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14657,7 +15921,7 @@
   }, 
   {
     "args": [
-      "compressed_payload"
+      "connectivity"
     ], 
     "ci_platforms": [
       "windows", 
@@ -14669,7 +15933,51 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "default_host"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "disappearing_server"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14691,7 +15999,29 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14713,7 +16043,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14735,7 +16065,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14757,7 +16087,29 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14779,7 +16131,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14801,7 +16153,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14823,7 +16175,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14845,7 +16197,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14867,7 +16219,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14889,7 +16241,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14911,7 +16263,29 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "ping"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14933,7 +16307,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14955,7 +16329,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14977,7 +16351,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -14999,7 +16373,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -15021,7 +16395,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -15043,7 +16417,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -15065,7 +16439,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -15075,7 +16449,7 @@
   }, 
   {
     "args": [
-      "simple_metadata"
+      "simple_delayed_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -15083,11 +16457,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -15097,7 +16471,7 @@
   }, 
   {
     "args": [
-      "simple_request"
+      "simple_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -15109,7 +16483,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -15119,7 +16493,7 @@
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "simple_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -15131,7 +16505,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uchannel_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -15141,9 +16515,10 @@
   }, 
   {
     "args": [
-      "bad_hostname"
+      "trailing_metadata"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15152,8 +16527,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_census_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15161,9 +16537,10 @@
   }, 
   {
     "args": [
-      "binary_metadata"
+      "bad_hostname"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15172,8 +16549,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15181,9 +16559,10 @@
   }, 
   {
     "args": [
-      "call_creds"
+      "binary_metadata"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15192,8 +16571,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15204,6 +16584,7 @@
       "cancel_after_accept"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15212,8 +16593,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15224,6 +16606,7 @@
       "cancel_after_client_done"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15232,8 +16615,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15244,6 +16628,7 @@
       "cancel_after_invoke"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15252,8 +16637,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15264,6 +16650,7 @@
       "cancel_before_invoke"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15272,8 +16659,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15284,6 +16672,7 @@
       "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15292,8 +16681,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15304,6 +16694,7 @@
       "cancel_with_status"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15312,8 +16703,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15324,6 +16716,7 @@
       "compressed_payload"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15332,8 +16725,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15344,6 +16738,7 @@
       "connectivity"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15352,8 +16747,31 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "default_host"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15364,6 +16782,7 @@
       "disappearing_server"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15372,8 +16791,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15384,6 +16804,7 @@
       "empty_batch"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15392,8 +16813,31 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15404,6 +16848,7 @@
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15412,8 +16857,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15424,6 +16870,7 @@
       "high_initial_seqno"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15432,8 +16879,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15444,6 +16892,7 @@
       "hpack_size"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15452,8 +16901,31 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15464,6 +16936,7 @@
       "invoke_large_request"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15472,8 +16945,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15484,6 +16958,7 @@
       "large_metadata"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15492,8 +16967,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15504,6 +16980,7 @@
       "max_concurrent_streams"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15512,8 +16989,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15524,6 +17002,7 @@
       "max_message_length"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15532,8 +17011,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15544,6 +17024,7 @@
       "negative_deadline"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15552,8 +17033,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15564,6 +17046,7 @@
       "no_op"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15572,8 +17055,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15584,6 +17068,7 @@
       "payload"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15592,8 +17077,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15604,6 +17090,7 @@
       "ping"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15612,8 +17099,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15624,6 +17112,7 @@
       "ping_pong_streaming"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15632,8 +17121,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15644,6 +17134,7 @@
       "registered_call"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15652,8 +17143,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15664,6 +17156,7 @@
       "request_with_flags"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15672,8 +17165,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15684,6 +17178,7 @@
       "request_with_payload"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15692,8 +17187,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15704,6 +17200,7 @@
       "server_finishes_request"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15712,8 +17209,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15724,6 +17222,7 @@
       "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15732,8 +17231,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15744,6 +17244,7 @@
       "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15752,8 +17253,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15764,6 +17266,7 @@
       "simple_delayed_request"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15772,8 +17275,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15784,6 +17288,7 @@
       "simple_metadata"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15792,8 +17297,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15804,6 +17310,7 @@
       "simple_request"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15812,8 +17319,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15824,6 +17332,7 @@
       "trailing_metadata"
     ], 
     "ci_platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15832,8 +17341,9 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_test", 
+    "name": "h2_compress_nosec_test", 
     "platforms": [
+      "windows", 
       "linux", 
       "mac", 
       "posix"
@@ -15844,15 +17354,21 @@
       "bad_hostname"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -15860,31 +17376,21 @@
       "binary_metadata"
     ], 
     "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "call_creds"
-    ], 
-    "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -15892,15 +17398,21 @@
       "cancel_after_accept"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -15908,15 +17420,21 @@
       "cancel_after_client_done"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -15924,15 +17442,21 @@
       "cancel_after_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -15940,15 +17464,21 @@
       "cancel_before_invoke"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -15956,15 +17486,21 @@
       "cancel_in_a_vacuum"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -15972,15 +17508,21 @@
       "cancel_with_status"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -15988,15 +17530,21 @@
       "compressed_payload"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
@@ -16004,404 +17552,48 @@
       "connectivity"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "disappearing_server"
+      "default_host"
     ], 
     "ci_platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
-      "linux"
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
     ]
   }, 
   {
     "args": [
-      "empty_batch"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "graceful_server_shutdown"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "high_initial_seqno"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "hpack_size"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "invoke_large_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "large_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "max_concurrent_streams"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "max_message_length"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "negative_deadline"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "no_op"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "payload"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "ping"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "ping_pong_streaming"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "registered_call"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "request_with_flags"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "request_with_payload"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "server_finishes_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "shutdown_finishes_calls"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "shutdown_finishes_tags"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "simple_delayed_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "simple_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "simple_request"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "trailing_metadata"
-    ], 
-    "ci_platforms": [
-      "linux"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uds+poll_test", 
-    "platforms": [
-      "linux"
-    ]
-  }, 
-  {
-    "args": [
-      "bad_hostname"
+      "disappearing_server"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16413,7 +17605,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16423,7 +17615,7 @@
   }, 
   {
     "args": [
-      "binary_metadata"
+      "empty_batch"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16435,7 +17627,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16445,7 +17637,7 @@
   }, 
   {
     "args": [
-      "cancel_after_accept"
+      "filter_causes_close"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16453,11 +17645,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16467,7 +17659,7 @@
   }, 
   {
     "args": [
-      "cancel_after_client_done"
+      "graceful_server_shutdown"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16479,7 +17671,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16489,7 +17681,7 @@
   }, 
   {
     "args": [
-      "cancel_after_invoke"
+      "high_initial_seqno"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16497,11 +17689,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16511,7 +17703,7 @@
   }, 
   {
     "args": [
-      "cancel_before_invoke"
+      "hpack_size"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16519,11 +17711,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16533,7 +17725,7 @@
   }, 
   {
     "args": [
-      "cancel_in_a_vacuum"
+      "idempotent_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16541,11 +17733,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16555,7 +17747,7 @@
   }, 
   {
     "args": [
-      "cancel_with_status"
+      "invoke_large_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16563,11 +17755,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16577,7 +17769,7 @@
   }, 
   {
     "args": [
-      "compressed_payload"
+      "large_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16585,11 +17777,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16599,7 +17791,7 @@
   }, 
   {
     "args": [
-      "connectivity"
+      "max_concurrent_streams"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16607,11 +17799,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16621,7 +17813,7 @@
   }, 
   {
     "args": [
-      "default_host"
+      "max_message_length"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16629,11 +17821,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16643,7 +17835,7 @@
   }, 
   {
     "args": [
-      "disappearing_server"
+      "negative_deadline"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16655,7 +17847,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16665,7 +17857,7 @@
   }, 
   {
     "args": [
-      "empty_batch"
+      "no_op"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16677,7 +17869,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16687,7 +17879,7 @@
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16699,7 +17891,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16709,7 +17901,7 @@
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "ping"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16721,7 +17913,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16731,7 +17923,7 @@
   }, 
   {
     "args": [
-      "hpack_size"
+      "ping_pong_streaming"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16743,7 +17935,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16753,7 +17945,7 @@
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "registered_call"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16765,7 +17957,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16775,7 +17967,7 @@
   }, 
   {
     "args": [
-      "large_metadata"
+      "request_with_flags"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16787,7 +17979,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16797,7 +17989,7 @@
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "request_with_payload"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16809,7 +18001,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16819,7 +18011,7 @@
   }, 
   {
     "args": [
-      "max_message_length"
+      "server_finishes_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16827,11 +18019,11 @@
       "mac", 
       "posix"
     ], 
-    "cpu_cost": 0.1, 
+    "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16841,7 +18033,7 @@
   }, 
   {
     "args": [
-      "negative_deadline"
+      "shutdown_finishes_calls"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16853,7 +18045,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16863,7 +18055,7 @@
   }, 
   {
     "args": [
-      "no_op"
+      "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16875,7 +18067,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16885,7 +18077,7 @@
   }, 
   {
     "args": [
-      "payload"
+      "simple_delayed_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16897,7 +18089,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16907,7 +18099,7 @@
   }, 
   {
     "args": [
-      "ping"
+      "simple_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16919,7 +18111,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16929,7 +18121,7 @@
   }, 
   {
     "args": [
-      "ping_pong_streaming"
+      "simple_request"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16941,7 +18133,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16951,7 +18143,7 @@
   }, 
   {
     "args": [
-      "registered_call"
+      "trailing_metadata"
     ], 
     "ci_platforms": [
       "windows", 
@@ -16963,7 +18155,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full_nosec_test", 
     "platforms": [
       "windows", 
       "linux", 
@@ -16973,90 +18165,514 @@
   }, 
   {
     "args": [
-      "request_with_flags"
+      "bad_hostname"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "request_with_payload"
+      "binary_metadata"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "cancel_after_accept"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "cancel_after_client_done"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_after_invoke"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_before_invoke"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_in_a_vacuum"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_with_status"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "compressed_payload"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "connectivity"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "default_host"
+    ], 
+    "ci_platforms": [
+      "linux"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "disappearing_server"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "empty_batch"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "graceful_server_shutdown"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "high_initial_seqno"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "hpack_size"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "idempotent_request"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "invoke_large_request"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
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+    "language": "c", 
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+    "platforms": [
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+  {
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+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
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+    ]
+  }, 
+  {
+    "args": [
+      "request_with_payload"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "server_finishes_request"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "shutdown_finishes_calls"
+    ], 
+    "ci_platforms": [
+      "linux"
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+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
     ]
   }, 
   {
@@ -17064,21 +18680,15 @@
       "shutdown_finishes_tags"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_census_nosec_test", 
+    "name": "h2_full+pipe_nosec_test", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
@@ -17086,1664 +18696,40526 @@
       "simple_delayed_request"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_metadata"
+    ], 
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+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_request"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
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+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
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+      "trailing_metadata"
+    ], 
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+      "linux"
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+    "flaky": false, 
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+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
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+  {
+    "args": [
+      "bad_hostname"
+    ], 
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+      "linux", 
+      "mac", 
+      "posix"
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+    "name": "h2_full+trace_nosec_test", 
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+      "'{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 4, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}'"
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+    "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_secure"
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+      "'{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 1, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}'"
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+    "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_one_server_core_secure"
+  }, 
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+    "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_secure"
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+    "name": "json_run_localhost", 
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+    "shortname": "json_run_localhost:cpp_protobuf_async_streaming_ping_pong_secure"
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+    ], 
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+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
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+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_protobuf_sync_unary_ping_pong_secure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
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+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_protobuf_async_unary_ping_pong_secure"
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+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:cpp_generic_async_streaming_ping_pong_insecure"
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+      "mac", 
+      "posix", 
+      "windows"
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+    "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_unconstrained_insecure"
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+      "mac", 
+      "posix", 
+      "windows"
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+    "shortname": "json_run_localhost:cpp_generic_async_streaming_qps_one_server_core_insecure"
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+      "posix", 
+      "windows"
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+      "posix", 
+      "windows"
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+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/422fa704.bin"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "simple_delayed_request"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/4271fbb36e03cee79b21a4a5a65f37ceef58a8cd"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "simple_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/42b0afca.bin"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "simple_request"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/43fc6abab9840be5ee614211f17395b5966f6070"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/44516839d35af9ccaf8a2c62f3ce6a723482445e"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "bad_hostname"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/44f342a6.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "binary_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/4558ddeb.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_accept"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/459c0bf6.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -18752,14 +59224,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_client_done"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/468cf8bf3e31e1013c7c6d2288baac47ff90aa63"
     ], 
     "ci_platforms": [
       "linux"
@@ -18768,14 +59240,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_invoke"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/4aa883d0.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -18784,14 +59256,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_before_invoke"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/4b7bcb4ae6c0222a1a24d1fb1a5d96519750ca5e"
     ], 
     "ci_platforms": [
       "linux"
@@ -18800,14 +59272,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_in_a_vacuum"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/4c412cc1a775cea041fa270483d610afb72f463b"
     ], 
     "ci_platforms": [
       "linux"
@@ -18816,14 +59288,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_with_status"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/4d55d5ae.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -18832,14 +59304,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "compressed_payload"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/4db3d4075ed27f2a2311f85dd1d6df028cc5d083"
     ], 
     "ci_platforms": [
       "linux"
@@ -18848,14 +59320,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "connectivity"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/4eb269c3.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -18864,62 +59336,62 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "default_host"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/4ecfe1be695df0d2489dddb52da8bcdeb6ed779d"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "disappearing_server"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/4f97bd97ab5dc6b4c0f62f8459be8a9593dc83b3"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "empty_batch"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/4ff50e49865768323f94116bd98d2314455273cc"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/508def44e4d60f237f18a40d7058e58a752a74e1"
     ], 
     "ci_platforms": [
       "linux"
@@ -18928,94 +59400,94 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/51a1abd1.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "hpack_size"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/52b5478161de7b2eba0f7bfbc29aea985c8d9ee7"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/52ecfedca3b2b26e6999b6afc846f3dbd5d35130"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "large_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/53d18398c0d484de00afd8d583fe802d55d4da44"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/53de507f.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "max_message_length"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/540ada69.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -19024,46 +59496,46 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "negative_deadline"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/5413b531fe06923ddf2c9e3eb958769374bc2445"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "no_op"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/5429f0da.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "payload"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/5435005f.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -19072,142 +59544,142 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "ping"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/546367bfdd2b9464fbfe5d74f55d8cd220accbab"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "ping_pong_streaming"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/54d0fc6c.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "registered_call"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/55af20415ead0ddd417f37fa91a4c767b749ee34"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "request_with_flags"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/55f6fb1a.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "request_with_payload"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/5780565e.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/57918260.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/5841d898d2cd804f2d6373538e341dfba8a4dfab"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/58b88a24.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "simple_delayed_request"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/597fdab5.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -19216,94 +59688,94 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "simple_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/59ce7091c00075943d79e857c01ad1af5f38c78e"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "simple_request"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/59d0b24d1acd01c749fb4bd6802a5f4dd003ce75"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/59dcfde4.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "bad_hostname"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/5ac92c4a7fb476393f8275fe4b79a2b13e3bcad9"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "binary_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/5d43ac923d7607a16e3d7bf8b838f52622871251"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_accept"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/5d817877.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -19312,14 +59784,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_client_done"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/5e2508e15c79fbe9c2e6c1a393b490356a17efbc"
     ], 
     "ci_platforms": [
       "linux"
@@ -19328,14 +59800,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_invoke"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/5f758756.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -19344,14 +59816,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_before_invoke"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/5f820fa8d44229219d0b7c4724e3e40a2ace97f4"
     ], 
     "ci_platforms": [
       "linux"
@@ -19360,14 +59832,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_in_a_vacuum"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/61e798bdd49b339983fea4ccfe18efe44afbd69b"
     ], 
     "ci_platforms": [
       "linux"
@@ -19376,14 +59848,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_with_status"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/62d05f336176a10a2c339c04d818f23b6e9a2637"
     ], 
     "ci_platforms": [
       "linux"
@@ -19392,14 +59864,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "compressed_payload"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/6499e2db.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -19408,14 +59880,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "connectivity"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/64cdbb31d5eda779d07885fa7881812db7800c05"
     ], 
     "ci_platforms": [
       "linux"
@@ -19424,62 +59896,62 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "default_host"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/65077d2946cfb822cf92c9dfc44517a34589f277"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "disappearing_server"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/65099066.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "empty_batch"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/652bfdce.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/65d5ae42e6acb429459a1e1a5fb35f09c0f95de2"
     ], 
     "ci_platforms": [
       "linux"
@@ -19488,94 +59960,94 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/65fd6cb3058ee0baae854cc7859b7c0c1e1c1166"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "hpack_size"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/6652f7be83a876214affc3f230040757f7db4ea8"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/67b04816.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "large_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/67ebf074c7f928c4fe32fef44e5c958cf441c93c"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/68f564fd8064233897ff704b5955b33a2e29293a"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "max_message_length"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/69891e9f.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -19584,46 +60056,46 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "negative_deadline"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/6c5bb78b51cf5006c92258292de19550985c00ba"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "no_op"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/6dc4455c.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "payload"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/6e050e98.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -19632,142 +60104,142 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "ping"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/6f3bd9f33ca05bebe3811f7b3ae6ed112e1e45b9"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "ping_pong_streaming"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/6f9d75e1af7ae7010d32872da888a582a25fddb4"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "registered_call"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/70ebe7f32c63ca8940017eb83e6db4d8b39ee03c"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "request_with_flags"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/712300b98afdb5f0d15c657c13cea76841164b13"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "request_with_payload"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/71ab07577909ca4b766f8ea0c6b8ec2bc395fc66"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/72296cf9e1052ced4b60e2053aba9f1a569144e9"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/7342b3febb07521e39abdf4ee976d16199d51239"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/746715fe.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "simple_delayed_request"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/76294f12a5974e9f87d8f092d0df5429cf6c0466"
     ], 
     "ci_platforms": [
       "linux"
@@ -19776,94 +60248,94 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "simple_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/769f5d079151d1b5cab388c47a74f3c297c18d58"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "simple_request"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/7839f12a8410a73d66e191cb5183d36d09a375e8"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/7b453adcb9c4bf31dbc448ff32c2bc90ebcbdf0f"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "bad_hostname"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/7ddfac7d7845b424bf670070781ca6ff8586c63b"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "binary_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/7f15bbce.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_accept"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/7ffd05db.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -19872,14 +60344,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_client_done"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/8164d3c4af043c47cfd6966873bccd2353d072bf"
     ], 
     "ci_platforms": [
       "linux"
@@ -19888,14 +60360,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_invoke"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/81fb19dfcb3c3a18fd9e7c177356479503e75e6f"
     ], 
     "ci_platforms": [
       "linux"
@@ -19904,14 +60376,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_before_invoke"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/82dda42ddde662192ebaa96788945b7673bb486b"
     ], 
     "ci_platforms": [
       "linux"
@@ -19920,14 +60392,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_in_a_vacuum"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/8338ebee.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -19936,14 +60408,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_with_status"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/84a3c6cf853ff318ae163231ce295171a59d5871"
     ], 
     "ci_platforms": [
       "linux"
@@ -19952,14 +60424,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "compressed_payload"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/86a19d13cc65790696299c819cac17b14e337647"
     ], 
     "ci_platforms": [
       "linux"
@@ -19968,14 +60440,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "connectivity"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/86e6dbf2.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -19984,62 +60456,62 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "default_host"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/88017b0894db1e6f4e3a6640ffe2876d31a54723"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "disappearing_server"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/8846918f967dd6513040c6d382fcd68ff7099873"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "empty_batch"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/885fe25a0b441ef46ab176b88771c133e530cb73"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/88e1329b.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -20048,94 +60520,94 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/8b186384.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "hpack_size"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/8c04817a75fddd71f13779f2ad5b994f45c333a2"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/8c72c3f35e9b9fd168ad9024c953a703f33ae3c1"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "large_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/8c760938a2a72fa92b27e00e05005e2e4c429359"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/8da521d9.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "max_message_length"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/8de81717.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -20144,46 +60616,46 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "negative_deadline"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/8ec00f45afb097066f47d0bad256a8b856b1efe8"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "no_op"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/90224b8e.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "payload"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/90240c7c.bin"
     ], 
     "ci_platforms": [
       "linux"
@@ -20192,142 +60664,142 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "ping"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/9099ac4e83f6460c80b5557c87f653e4c65aa091"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "ping_pong_streaming"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/914ed07570b6441365a3636d05850f7316c7f2a8"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "registered_call"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/916b825da0ffc46fdb6120b1044e98ae158fce70"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "request_with_flags"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/93beeba2.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "request_with_payload"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/93c3ffcb7e3bcb5ed7e37a5b3dfb97b43ca42718"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/9540d3ad3fa75bfb95c0d57cefd737611c7069a5"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/954337ef.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/95d25ba2e190fafa2b3ca1e1c467b9ef64868962"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "simple_delayed_request"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/9764015f89a0b7a59f3b5359b0a037b38d6e39d7"
     ], 
     "ci_platforms": [
       "linux"
@@ -20336,3941 +60808,3006 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "simple_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/97aed4bd.bin"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "simple_request"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/986c9ca7db83b2cddbae2a0db2dca87f52277074"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/9953eb28aa1ed661612a4710a9d16a15de4ae353"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_full+poll+pipe_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "bad_hostname"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/9a176b6f7e0dc5f681a1788d8954f76fabd08cad"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "binary_metadata"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/9a6963b0d0fcb0e91a31748c47c6f0e1e842fea9"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_accept"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/9bf7553a.bin"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "posix"
+      "linux"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_client_done"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/9d2d18fce18c790035d8f67ed798703bdda0a949"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "posix"
+      "linux"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_invoke"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/a112d484b70e778835fcd478fd651828720791e5"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "posix"
+      "linux"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_before_invoke"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/a24bf2dc.bin"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "posix"
+      "linux"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_in_a_vacuum"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/a32be0653ccc65463445b4aaf24a7a1164d5c642"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "posix"
+      "linux"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_with_status"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/a357658d.bin"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "posix"
+      "linux"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_proxy_nosec_test", 
+    "name": "server_fuzzer_one_entry", 
     "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "default_host"
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/a3a2b1af.bin"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
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     ]
   }, 
   {
     "args": [
-      "no_op"
+      "test/core/client_config/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc"
     ], 
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "payload"
+      "test/core/client_config/uri_corpus/41963cc10752f70c3af7e3d85868efb097a0ea9c"
     ], 
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "ping"
+      "test/core/client_config/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1"
     ], 
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "ping_pong_streaming"
+      "test/core/client_config/uri_corpus/56a2da4b2e6fb795243901023ed8d0aa083d1aab"
     ], 
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "registered_call"
+      "test/core/client_config/uri_corpus/574c2f13858a9a6d724654bd913ede9ae3abf822"
     ], 
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "request_with_flags"
+      "test/core/client_config/uri_corpus/582f789c19033a152094cbf8565f14154a778ddb"
     ], 
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "request_with_payload"
+      "test/core/client_config/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8"
     ], 
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "test/core/client_config/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a"
     ], 
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "test/core/client_config/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb"
     ], 
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "test/core/client_config/uri_corpus/6ae3acd9d8507b61bf235748026080a4138dba58"
     ], 
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "simple_delayed_request"
+      "test/core/client_config/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6"
     ], 
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
     "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "simple_metadata"
+      "test/core/client_config/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1"
     ], 
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "simple_request"
+      "test/core/client_config/uri_corpus/7ff4d8b8d1ffd0d42c48bbb91e5856a9ec31aecb"
     ], 
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "test/core/client_config/uri_corpus/87daa131e0973b77a232a870ed749ef29cf58e6d"
     ], 
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {
     "args": [
-      "bad_hostname"
+      "test/core/client_config/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "binary_metadata"
+      "test/core/client_config/uri_corpus/8d7e944fd5d0ede94097fcc98b47b09a3f9c76cb"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_accept"
+      "test/core/client_config/uri_corpus/9671149af0b444f59bbdf71340d3441dadd8a7b4"
     ], 
     "ci_platforms": [
       "linux"
@@ -24279,14 +63816,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_client_done"
+      "test/core/client_config/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb"
     ], 
     "ci_platforms": [
       "linux"
@@ -24295,14 +63832,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_after_invoke"
+      "test/core/client_config/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8"
     ], 
     "ci_platforms": [
       "linux"
@@ -24311,14 +63848,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_before_invoke"
+      "test/core/client_config/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b"
     ], 
     "ci_platforms": [
       "linux"
@@ -24327,14 +63864,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_in_a_vacuum"
+      "test/core/client_config/uri_corpus/a1140f3f8b5cffc1010221b9a4084a25fb75c1f6"
     ], 
     "ci_platforms": [
       "linux"
@@ -24343,14 +63880,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "cancel_with_status"
+      "test/core/client_config/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de"
     ], 
     "ci_platforms": [
       "linux"
@@ -24359,14 +63896,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "compressed_payload"
+      "test/core/client_config/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d"
     ], 
     "ci_platforms": [
       "linux"
@@ -24375,14 +63912,14 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "connectivity"
+      "test/core/client_config/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38"
     ], 
     "ci_platforms": [
       "linux"
@@ -24391,46 +63928,46 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "disappearing_server"
+      "test/core/client_config/uri_corpus/aba1472880406a318ce207ee79815b7acf087757"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "empty_batch"
+      "test/core/client_config/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "graceful_server_shutdown"
+      "test/core/client_config/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd"
     ], 
     "ci_platforms": [
       "linux"
@@ -24439,94 +63976,94 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "high_initial_seqno"
+      "test/core/client_config/uri_corpus/c28a47409cf5d95bb372238d01e73d8b831408e4"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "hpack_size"
+      "test/core/client_config/uri_corpus/c3ef1d41888063a08700c3add1e4465aabcf8807"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "invoke_large_request"
+      "test/core/client_config/uri_corpus/c550a76af21f9b9cc92a386d5c8998b26f8f2e4d"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "large_metadata"
+      "test/core/client_config/uri_corpus/c79721406d0ab80495f186fd88e37fba98637ae9"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "max_concurrent_streams"
+      "test/core/client_config/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "max_message_length"
+      "test/core/client_config/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c"
     ], 
     "ci_platforms": [
       "linux"
@@ -24535,46 +64072,46 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "negative_deadline"
+      "test/core/client_config/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "no_op"
+      "test/core/client_config/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "payload"
+      "test/core/client_config/uri_corpus/dns.txt"
     ], 
     "ci_platforms": [
       "linux"
@@ -24583,142 +64120,142 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "ping"
+      "test/core/client_config/uri_corpus/e241f29957b0e30ec11aaaf91b2339f7015fa5fd"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "ping_pong_streaming"
+      "test/core/client_config/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "registered_call"
+      "test/core/client_config/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "request_with_flags"
+      "test/core/client_config/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "request_with_payload"
+      "test/core/client_config/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "server_finishes_request"
+      "test/core/client_config/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_calls"
+      "test/core/client_config/uri_corpus/f97598cff03306af3c70400608fec47268b5075d"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "shutdown_finishes_tags"
+      "test/core/client_config/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "simple_delayed_request"
+      "test/core/client_config/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4"
     ], 
     "ci_platforms": [
       "linux"
@@ -24727,55 +64264,55 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "simple_metadata"
+      "test/core/client_config/uri_corpus/ipv4.txt"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "simple_request"
+      "test/core/client_config/uri_corpus/ipv6.txt"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
   }, 
   {
     "args": [
-      "trailing_metadata"
+      "test/core/client_config/uri_corpus/unix.txt"
     ], 
     "ci_platforms": [
       "linux"
     ], 
-    "cpu_cost": 1.0, 
+    "cpu_cost": 0.1, 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "h2_uds+poll_nosec_test", 
+    "name": "uri_fuzzer_test_one_entry", 
     "platforms": [
       "linux"
     ]
diff --git a/vsprojects/build_vs2010.bat b/vsprojects/build_vs2010.bat
index 64b0ed5d3f51262996bf14945493183d373b7325..1bc3c86a92f4bd9c6a16bb1cad4ed0d7cdf42b0e 100644
--- a/vsprojects/build_vs2010.bat
+++ b/vsprojects/build_vs2010.bat
@@ -1,5 +1,5 @@
 @rem Convenience wrapper that runs specified gRPC target using msbuild
-@rem Usage: build.bat TARGET_NAME
+@rem Usage: build_vs2010.bat TARGET_NAME
 
 setlocal
 @rem Set VS variables (uses Visual Studio 2010)
diff --git a/vsprojects/build_vs2013.bat b/vsprojects/build_vs2013.bat
index be3caa9298c81eb45b4d68faabd17343b0be4f45..82c0a3ad824d91966dd43464f3eb505bfe09ca12 100644
--- a/vsprojects/build_vs2013.bat
+++ b/vsprojects/build_vs2013.bat
@@ -1,5 +1,5 @@
 @rem Convenience wrapper that runs specified gRPC target using msbuild
-@rem Usage: build.bat TARGET_NAME
+@rem Usage: build_vs2013.bat TARGET_NAME
 
 setlocal
 @rem Set VS variables (uses Visual Studio 2013)
diff --git a/vsprojects/build_vs2015.bat b/vsprojects/build_vs2015.bat
index 50485a30f3070a9b5816548fa647f267ee4a9137..c6e1b433a3e9fcf1526332d58ec52d41b807b925 100644
--- a/vsprojects/build_vs2015.bat
+++ b/vsprojects/build_vs2015.bat
@@ -1,5 +1,5 @@
 @rem Convenience wrapper that runs specified gRPC target using msbuild
-@rem Usage: build.bat TARGET_NAME
+@rem Usage: build_vs2015.bat TARGET_NAME
 
 setlocal
 @rem Set VS variables (uses Visual Studio 2015)
diff --git a/vsprojects/buildtests_c.sln b/vsprojects/buildtests_c.sln
index 752fac7483800f43b4eaa85bb1f7e94f2e1cfac0..bdae44754563166ec6dce655445d05a169df06a2 100644
--- a/vsprojects/buildtests_c.sln
+++ b/vsprojects/buildtests_c.sln
@@ -51,6 +51,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_test_util_unsecure", "
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_unsecure", "vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj", "{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}"
@@ -663,7 +664,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "hpack_table_test", "vcxproj
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "httpcli_format_request_test", "vcxproj\test\httpcli_format_request_test\httpcli_format_request_test.vcxproj", "{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "http_parser_test", "vcxproj\test\http_parser_test\http_parser_test.vcxproj", "{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -674,7 +675,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "httpcli_format_request_test
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "httpcli_parser_test", "vcxproj\test\httpcli_parser_test\httpcli_parser_test.vcxproj", "{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "httpcli_format_request_test", "vcxproj\test\httpcli_format_request_test\httpcli_format_request_test.vcxproj", "{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -696,6 +697,39 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "init_test", "vcxproj\test\i
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "internal_api_canary_iomgr_test", "vcxproj\test\internal_api_canary_iomgr_test\internal_api_canary_iomgr_test.vcxproj", "{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "internal_api_canary_support_test", "vcxproj\test\internal_api_canary_support_test\internal_api_canary_support_test.vcxproj", "{D53575C6-713C-E6E3-FD74-E65F20916498}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "internal_api_canary_transport_test", "vcxproj\test\internal_api_canary_transport_test\internal_api_canary_transport_test.vcxproj", "{ED24E700-964E-B426-6A6A-1944E2EF7BCB}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "invalid_call_argument_test", "vcxproj\test\invalid_call_argument_test\invalid_call_argument_test.vcxproj", "{C32CA8A3-58E6-8EB9-B72F-C295547D36A6}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -1025,6 +1059,18 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "connection_prefix_bad_clien
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "head_of_line_blocking_bad_client_test", "vcxproj\test\head_of_line_blocking_bad_client_test\head_of_line_blocking_bad_client_test.vcxproj", "{23DF0572-DBF1-08DA-8EAD-8508354C90A4}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{BA67B418-B699-E41A-9CC4-0279C49481A5} = {BA67B418-B699-E41A-9CC4-0279C49481A5}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "headers_bad_client_test", "vcxproj\test\headers_bad_client_test\headers_bad_client_test.vcxproj", "{7819A11E-607E-F0C0-FC47-C704CF7D818C}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -1145,6 +1191,18 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_test", "vcxproj\tes
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full+trace_test", "vcxproj\test/end2end/fixtures\h2_full+trace_test\h2_full+trace_test.vcxproj", "{16C713C6-062E-F71F-A44C-52DC35494B27}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_oauth2_test", "vcxproj\test/end2end/fixtures\h2_oauth2_test\h2_oauth2_test.vcxproj", "{0F761FF3-342A-C429-711F-F76181BAA52D}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -1217,7 +1275,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_test", "vcxproj\test
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_proxy_test", "vcxproj\test/end2end/fixtures\h2_ssl_proxy_test\h2_ssl_proxy_test.vcxproj", "{A9092608-E45E-AC96-6533-A6E7DD98211D}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_cert_test", "vcxproj\test/end2end/fixtures\h2_ssl_cert_test\h2_ssl_cert_test.vcxproj", "{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -1229,7 +1287,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_proxy_test", "vcxpro
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_test", "vcxproj\test/end2end/fixtures\h2_uchannel_test\h2_uchannel_test.vcxproj", "{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_proxy_test", "vcxproj\test/end2end/fixtures\h2_ssl_proxy_test\h2_ssl_proxy_test.vcxproj", "{A9092608-E45E-AC96-6533-A6E7DD98211D}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -1277,7 +1335,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_nosec_test", "vcxpr
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_nosec_test", "vcxproj\test/end2end/fixtures\h2_proxy_nosec_test\h2_proxy_nosec_test.vcxproj", "{6EC72045-98CB-8A8D-9788-BC94209E23C8}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full+trace_nosec_test", "vcxproj\test/end2end/fixtures\h2_full+trace_nosec_test\h2_full+trace_nosec_test.vcxproj", "{DFD51943-4906-8051-7D66-6A7D50E0D87E}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -1289,7 +1347,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_nosec_test", "vcxp
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair_nosec_test\h2_sockpair_nosec_test.vcxproj", "{B3F26242-A43D-4F77-A84C-0F478741A061}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_nosec_test", "vcxproj\test/end2end/fixtures\h2_proxy_nosec_test\h2_proxy_nosec_test.vcxproj", "{6EC72045-98CB-8A8D-9788-BC94209E23C8}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -1301,7 +1359,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_nosec_test", "v
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair+trace_nosec_test\h2_sockpair+trace_nosec_test.vcxproj", "{962380E0-1C06-8917-8F7F-1A02E0E93BE7}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair_nosec_test\h2_sockpair_nosec_test.vcxproj", "{B3F26242-A43D-4F77-A84C-0F478741A061}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -1313,7 +1371,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_nosec_tes
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair_1byte_nosec_test\h2_sockpair_1byte_nosec_test.vcxproj", "{485E6713-487D-F274-BDE7-5D29300C93FE}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair+trace_nosec_test\h2_sockpair+trace_nosec_test.vcxproj", "{962380E0-1C06-8917-8F7F-1A02E0E93BE7}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -1325,7 +1383,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_nosec_tes
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_nosec_test", "vcxproj\test/end2end/fixtures\h2_uchannel_nosec_test\h2_uchannel_nosec_test.vcxproj", "{BD79A629-4181-DB5E-C28F-44EB280A6F91}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair_1byte_nosec_test\h2_sockpair_1byte_nosec_test.vcxproj", "{485E6713-487D-F274-BDE7-5D29300C93FE}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -2405,6 +2463,22 @@ Global
 		{FF2CEE6D-850F-E22C-53A0-8C5912B14B20}.Release-DLL|Win32.Build.0 = Release|Win32
 		{FF2CEE6D-850F-E22C-53A0-8C5912B14B20}.Release-DLL|x64.ActiveCfg = Release|x64
 		{FF2CEE6D-850F-E22C-53A0-8C5912B14B20}.Release-DLL|x64.Build.0 = Release|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug|Win32.ActiveCfg = Debug|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug|x64.ActiveCfg = Debug|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release|Win32.ActiveCfg = Release|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release|x64.ActiveCfg = Release|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug|Win32.Build.0 = Debug|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug|x64.Build.0 = Debug|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release|Win32.Build.0 = Release|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release|x64.Build.0 = Release|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Debug-DLL|x64.Build.0 = Debug|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release-DLL|Win32.Build.0 = Release|Win32
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release-DLL|x64.ActiveCfg = Release|x64
+		{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}.Release-DLL|x64.Build.0 = Release|x64
 		{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}.Debug|Win32.ActiveCfg = Debug|Win32
 		{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}.Debug|x64.ActiveCfg = Debug|x64
 		{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}.Release|Win32.ActiveCfg = Release|Win32
@@ -2421,22 +2495,6 @@ Global
 		{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}.Release-DLL|Win32.Build.0 = Release|Win32
 		{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}.Release-DLL|x64.ActiveCfg = Release|x64
 		{A43C3292-CAE7-1B8C-A5FD-52D9E3DCFD82}.Release-DLL|x64.Build.0 = Release|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug|Win32.ActiveCfg = Debug|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug|x64.ActiveCfg = Debug|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release|Win32.ActiveCfg = Release|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release|x64.ActiveCfg = Release|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug|Win32.Build.0 = Debug|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug|x64.Build.0 = Debug|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release|Win32.Build.0 = Release|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release|x64.Build.0 = Release|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug-DLL|Win32.Build.0 = Debug|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug-DLL|x64.ActiveCfg = Debug|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Debug-DLL|x64.Build.0 = Debug|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release-DLL|Win32.ActiveCfg = Release|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release-DLL|Win32.Build.0 = Release|Win32
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release-DLL|x64.ActiveCfg = Release|x64
-		{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}.Release-DLL|x64.Build.0 = Release|x64
 		{117CA7AD-C42B-9217-6C95-42A801777BC5}.Debug|Win32.ActiveCfg = Debug|Win32
 		{117CA7AD-C42B-9217-6C95-42A801777BC5}.Debug|x64.ActiveCfg = Debug|x64
 		{117CA7AD-C42B-9217-6C95-42A801777BC5}.Release|Win32.ActiveCfg = Release|Win32
@@ -2453,6 +2511,54 @@ Global
 		{117CA7AD-C42B-9217-6C95-42A801777BC5}.Release-DLL|Win32.Build.0 = Release|Win32
 		{117CA7AD-C42B-9217-6C95-42A801777BC5}.Release-DLL|x64.ActiveCfg = Release|x64
 		{117CA7AD-C42B-9217-6C95-42A801777BC5}.Release-DLL|x64.Build.0 = Release|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug|Win32.ActiveCfg = Debug|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug|x64.ActiveCfg = Debug|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release|Win32.ActiveCfg = Release|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release|x64.ActiveCfg = Release|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug|Win32.Build.0 = Debug|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug|x64.Build.0 = Debug|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release|Win32.Build.0 = Release|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release|x64.Build.0 = Release|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Debug-DLL|x64.Build.0 = Debug|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release-DLL|Win32.Build.0 = Release|Win32
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release-DLL|x64.ActiveCfg = Release|x64
+		{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}.Release-DLL|x64.Build.0 = Release|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug|Win32.ActiveCfg = Debug|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug|x64.ActiveCfg = Debug|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release|Win32.ActiveCfg = Release|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release|x64.ActiveCfg = Release|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug|Win32.Build.0 = Debug|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug|x64.Build.0 = Debug|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release|Win32.Build.0 = Release|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release|x64.Build.0 = Release|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Debug-DLL|x64.Build.0 = Debug|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release-DLL|Win32.Build.0 = Release|Win32
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release-DLL|x64.ActiveCfg = Release|x64
+		{D53575C6-713C-E6E3-FD74-E65F20916498}.Release-DLL|x64.Build.0 = Release|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug|x64.ActiveCfg = Debug|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release|Win32.ActiveCfg = Release|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release|x64.ActiveCfg = Release|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug|Win32.Build.0 = Debug|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug|x64.Build.0 = Debug|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release|Win32.Build.0 = Release|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release|x64.Build.0 = Release|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Debug-DLL|x64.Build.0 = Debug|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release-DLL|Win32.Build.0 = Release|Win32
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release-DLL|x64.ActiveCfg = Release|x64
+		{ED24E700-964E-B426-6A6A-1944E2EF7BCB}.Release-DLL|x64.Build.0 = Release|x64
 		{C32CA8A3-58E6-8EB9-B72F-C295547D36A6}.Debug|Win32.ActiveCfg = Debug|Win32
 		{C32CA8A3-58E6-8EB9-B72F-C295547D36A6}.Debug|x64.ActiveCfg = Debug|x64
 		{C32CA8A3-58E6-8EB9-B72F-C295547D36A6}.Release|Win32.ActiveCfg = Release|Win32
@@ -2933,6 +3039,22 @@ Global
 		{AF9D0EB2-2A53-B815-3A63-E82C7F91DB29}.Release-DLL|Win32.Build.0 = Release|Win32
 		{AF9D0EB2-2A53-B815-3A63-E82C7F91DB29}.Release-DLL|x64.ActiveCfg = Release|x64
 		{AF9D0EB2-2A53-B815-3A63-E82C7F91DB29}.Release-DLL|x64.Build.0 = Release|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug|Win32.ActiveCfg = Debug|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug|x64.ActiveCfg = Debug|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release|Win32.ActiveCfg = Release|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release|x64.ActiveCfg = Release|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug|Win32.Build.0 = Debug|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug|x64.Build.0 = Debug|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release|Win32.Build.0 = Release|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release|x64.Build.0 = Release|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug-DLL|x64.Build.0 = Debug|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release-DLL|Win32.Build.0 = Release|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release-DLL|x64.ActiveCfg = Release|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release-DLL|x64.Build.0 = Release|x64
 		{7819A11E-607E-F0C0-FC47-C704CF7D818C}.Debug|Win32.ActiveCfg = Debug|Win32
 		{7819A11E-607E-F0C0-FC47-C704CF7D818C}.Debug|x64.ActiveCfg = Debug|x64
 		{7819A11E-607E-F0C0-FC47-C704CF7D818C}.Release|Win32.ActiveCfg = Release|Win32
@@ -3093,6 +3215,22 @@ Global
 		{EEBEFA75-C625-C823-FE96-9AD64887B57D}.Release-DLL|Win32.Build.0 = Release|Win32
 		{EEBEFA75-C625-C823-FE96-9AD64887B57D}.Release-DLL|x64.ActiveCfg = Release|x64
 		{EEBEFA75-C625-C823-FE96-9AD64887B57D}.Release-DLL|x64.Build.0 = Release|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug|Win32.ActiveCfg = Debug|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug|x64.ActiveCfg = Debug|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release|Win32.ActiveCfg = Release|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release|x64.ActiveCfg = Release|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug|Win32.Build.0 = Debug|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug|x64.Build.0 = Debug|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release|Win32.Build.0 = Release|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release|x64.Build.0 = Release|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Debug-DLL|x64.Build.0 = Debug|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release-DLL|Win32.Build.0 = Release|Win32
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release-DLL|x64.ActiveCfg = Release|x64
+		{16C713C6-062E-F71F-A44C-52DC35494B27}.Release-DLL|x64.Build.0 = Release|x64
 		{0F761FF3-342A-C429-711F-F76181BAA52D}.Debug|Win32.ActiveCfg = Debug|Win32
 		{0F761FF3-342A-C429-711F-F76181BAA52D}.Debug|x64.ActiveCfg = Debug|x64
 		{0F761FF3-342A-C429-711F-F76181BAA52D}.Release|Win32.ActiveCfg = Release|Win32
@@ -3189,6 +3327,22 @@ Global
 		{EA78D290-4098-FF04-C647-013F6B81E4E7}.Release-DLL|Win32.Build.0 = Release|Win32
 		{EA78D290-4098-FF04-C647-013F6B81E4E7}.Release-DLL|x64.ActiveCfg = Release|x64
 		{EA78D290-4098-FF04-C647-013F6B81E4E7}.Release-DLL|x64.Build.0 = Release|x64
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Debug|Win32.ActiveCfg = Debug|Win32
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Debug|x64.ActiveCfg = Debug|x64
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Release|Win32.ActiveCfg = Release|Win32
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Release|x64.ActiveCfg = Release|x64
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Debug|Win32.Build.0 = Debug|Win32
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Debug|x64.Build.0 = Debug|x64
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Release|Win32.Build.0 = Release|Win32
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Release|x64.Build.0 = Release|x64
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Debug-DLL|x64.Build.0 = Debug|x64
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Release-DLL|Win32.Build.0 = Release|Win32
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Release-DLL|x64.ActiveCfg = Release|x64
+		{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}.Release-DLL|x64.Build.0 = Release|x64
 		{A9092608-E45E-AC96-6533-A6E7DD98211D}.Debug|Win32.ActiveCfg = Debug|Win32
 		{A9092608-E45E-AC96-6533-A6E7DD98211D}.Debug|x64.ActiveCfg = Debug|x64
 		{A9092608-E45E-AC96-6533-A6E7DD98211D}.Release|Win32.ActiveCfg = Release|Win32
@@ -3205,22 +3359,6 @@ Global
 		{A9092608-E45E-AC96-6533-A6E7DD98211D}.Release-DLL|Win32.Build.0 = Release|Win32
 		{A9092608-E45E-AC96-6533-A6E7DD98211D}.Release-DLL|x64.ActiveCfg = Release|x64
 		{A9092608-E45E-AC96-6533-A6E7DD98211D}.Release-DLL|x64.Build.0 = Release|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug|Win32.ActiveCfg = Debug|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug|x64.ActiveCfg = Debug|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release|Win32.ActiveCfg = Release|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release|x64.ActiveCfg = Release|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug|Win32.Build.0 = Debug|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug|x64.Build.0 = Debug|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release|Win32.Build.0 = Release|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release|x64.Build.0 = Release|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug-DLL|Win32.Build.0 = Debug|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug-DLL|x64.ActiveCfg = Debug|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Debug-DLL|x64.Build.0 = Debug|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release-DLL|Win32.ActiveCfg = Release|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release-DLL|Win32.Build.0 = Release|Win32
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release-DLL|x64.ActiveCfg = Release|x64
-		{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}.Release-DLL|x64.Build.0 = Release|x64
 		{A8039D43-910E-4248-2A22-74366E8C4DCD}.Debug|Win32.ActiveCfg = Debug|Win32
 		{A8039D43-910E-4248-2A22-74366E8C4DCD}.Debug|x64.ActiveCfg = Debug|x64
 		{A8039D43-910E-4248-2A22-74366E8C4DCD}.Release|Win32.ActiveCfg = Release|Win32
@@ -3269,6 +3407,22 @@ Global
 		{345EA50E-BCD4-DAC7-E1C8-DDA6291B75E2}.Release-DLL|Win32.Build.0 = Release|Win32
 		{345EA50E-BCD4-DAC7-E1C8-DDA6291B75E2}.Release-DLL|x64.ActiveCfg = Release|x64
 		{345EA50E-BCD4-DAC7-E1C8-DDA6291B75E2}.Release-DLL|x64.Build.0 = Release|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug|Win32.ActiveCfg = Debug|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug|x64.ActiveCfg = Debug|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release|Win32.ActiveCfg = Release|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release|x64.ActiveCfg = Release|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug|Win32.Build.0 = Debug|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug|x64.Build.0 = Debug|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release|Win32.Build.0 = Release|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release|x64.Build.0 = Release|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Debug-DLL|x64.Build.0 = Debug|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release-DLL|Win32.Build.0 = Release|Win32
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release-DLL|x64.ActiveCfg = Release|x64
+		{DFD51943-4906-8051-7D66-6A7D50E0D87E}.Release-DLL|x64.Build.0 = Release|x64
 		{6EC72045-98CB-8A8D-9788-BC94209E23C8}.Debug|Win32.ActiveCfg = Debug|Win32
 		{6EC72045-98CB-8A8D-9788-BC94209E23C8}.Debug|x64.ActiveCfg = Debug|x64
 		{6EC72045-98CB-8A8D-9788-BC94209E23C8}.Release|Win32.ActiveCfg = Release|Win32
@@ -3333,22 +3487,6 @@ Global
 		{485E6713-487D-F274-BDE7-5D29300C93FE}.Release-DLL|Win32.Build.0 = Release|Win32
 		{485E6713-487D-F274-BDE7-5D29300C93FE}.Release-DLL|x64.ActiveCfg = Release|x64
 		{485E6713-487D-F274-BDE7-5D29300C93FE}.Release-DLL|x64.Build.0 = Release|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug|Win32.ActiveCfg = Debug|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug|x64.ActiveCfg = Debug|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release|Win32.ActiveCfg = Release|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release|x64.ActiveCfg = Release|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug|Win32.Build.0 = Debug|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug|x64.Build.0 = Debug|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release|Win32.Build.0 = Release|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release|x64.Build.0 = Release|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug-DLL|Win32.Build.0 = Debug|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug-DLL|x64.ActiveCfg = Debug|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Debug-DLL|x64.Build.0 = Debug|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release-DLL|Win32.ActiveCfg = Release|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release-DLL|Win32.Build.0 = Release|Win32
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release-DLL|x64.ActiveCfg = Release|x64
-		{BD79A629-4181-DB5E-C28F-44EB280A6F91}.Release-DLL|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/vsprojects/grpc.sln b/vsprojects/grpc.sln
index 3f6b3379728a70059c39b89df8f817bc7fda3c2c..029c9ed7c1d231ee91c49d66d4d7cc06b2038266 100644
--- a/vsprojects/grpc.sln
+++ b/vsprojects/grpc.sln
@@ -51,6 +51,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_test_util_unsecure", "
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_unsecure", "vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj", "{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}"
@@ -99,6 +100,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc++_unsecure", "vcxproj\
 	ProjectSection(ProjectDependencies) = postProject
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "boringssl", "vcxproj\.\boringssl\boringssl.vcxproj", "{9FD9A3EF-C4A3-8390-D8F4-6F86C22A58CE}"
diff --git a/vsprojects/grpc_protoc_plugins.sln b/vsprojects/grpc_protoc_plugins.sln
index 9471aae138f6b8700bad18d58a6d06933d52a137..ace295daeaed57d3acb4051eb0b8d2ae6cbc9fdb 100644
--- a/vsprojects/grpc_protoc_plugins.sln
+++ b/vsprojects/grpc_protoc_plugins.sln
@@ -3,25 +3,20 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 2013
 VisualStudioVersion = 12.0.21005.1
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_codegen_lib", "vcxproj\.\grpc_codegen_lib\grpc_codegen_lib.vcxproj", "{A828FD72-44CE-4EA5-8966-6E4624458D58}"
-	ProjectSection(myProperties) = preProject
-        	lib = "True"
-	EndProjectSection
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc++_codegen_lib", "vcxproj\.\grpc++_codegen_lib\grpc++_codegen_lib.vcxproj", "{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_plugin_support", "vcxproj\.\grpc_plugin_support\grpc_plugin_support.vcxproj", "{B6E81D84-2ACB-41B8-8781-493A944C7817}"
 	ProjectSection(myProperties) = preProject
         	lib = "True"
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_plugin_support", "vcxproj\.\grpc_plugin_support\grpc_plugin_support.vcxproj", "{B6E81D84-2ACB-41B8-8781-493A944C7817}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_cpp_plugin", "vcxproj\.\grpc_cpp_plugin\grpc_cpp_plugin.vcxproj", "{7E51A25F-AC59-488F-906C-C60FAAE706AA}"
 	ProjectSection(myProperties) = preProject
-        	lib = "True"
+        	lib = "False"
 	EndProjectSection
 	ProjectSection(ProjectDependencies) = postProject
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500} = {AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}
+		{B6E81D84-2ACB-41B8-8781-493A944C7817} = {B6E81D84-2ACB-41B8-8781-493A944C7817}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_cpp_plugin", "vcxproj\.\grpc_cpp_plugin\grpc_cpp_plugin.vcxproj", "{7E51A25F-AC59-488F-906C-C60FAAE706AA}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_csharp_plugin", "vcxproj\.\grpc_csharp_plugin\grpc_csharp_plugin.vcxproj", "{3C813052-A49A-4662-B90A-1ADBEC7EE453}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -29,7 +24,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_cpp_plugin", "vcxproj\
 		{B6E81D84-2ACB-41B8-8781-493A944C7817} = {B6E81D84-2ACB-41B8-8781-493A944C7817}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_csharp_plugin", "vcxproj\.\grpc_csharp_plugin\grpc_csharp_plugin.vcxproj", "{3C813052-A49A-4662-B90A-1ADBEC7EE453}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_node_plugin", "vcxproj\.\grpc_node_plugin\grpc_node_plugin.vcxproj", "{57ABD9A2-CE8E-CCA7-5171-35C4534F3595}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -69,22 +64,6 @@ Global
 		Release|x64 = Release|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Debug|Win32.ActiveCfg = Debug|Win32
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Debug|x64.ActiveCfg = Debug|x64
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Release|Win32.ActiveCfg = Release|Win32
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Release|x64.ActiveCfg = Release|x64
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Debug|Win32.Build.0 = Debug|Win32
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Debug|x64.Build.0 = Debug|x64
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Release|Win32.Build.0 = Release|Win32
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Release|x64.Build.0 = Release|x64
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Debug|Win32.ActiveCfg = Debug|Win32
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Debug|x64.ActiveCfg = Debug|x64
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Release|Win32.ActiveCfg = Release|Win32
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Release|x64.ActiveCfg = Release|x64
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Debug|Win32.Build.0 = Debug|Win32
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Debug|x64.Build.0 = Debug|x64
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Release|Win32.Build.0 = Release|Win32
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Release|x64.Build.0 = Release|x64
 		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Debug|Win32.ActiveCfg = Debug|Win32
 		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Debug|x64.ActiveCfg = Debug|x64
 		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Release|Win32.ActiveCfg = Release|Win32
@@ -109,6 +88,14 @@ Global
 		{3C813052-A49A-4662-B90A-1ADBEC7EE453}.Debug|x64.Build.0 = Debug|x64
 		{3C813052-A49A-4662-B90A-1ADBEC7EE453}.Release|Win32.Build.0 = Release|Win32
 		{3C813052-A49A-4662-B90A-1ADBEC7EE453}.Release|x64.Build.0 = Release|x64
+		{57ABD9A2-CE8E-CCA7-5171-35C4534F3595}.Debug|Win32.ActiveCfg = Debug|Win32
+		{57ABD9A2-CE8E-CCA7-5171-35C4534F3595}.Debug|x64.ActiveCfg = Debug|x64
+		{57ABD9A2-CE8E-CCA7-5171-35C4534F3595}.Release|Win32.ActiveCfg = Release|Win32
+		{57ABD9A2-CE8E-CCA7-5171-35C4534F3595}.Release|x64.ActiveCfg = Release|x64
+		{57ABD9A2-CE8E-CCA7-5171-35C4534F3595}.Debug|Win32.Build.0 = Debug|Win32
+		{57ABD9A2-CE8E-CCA7-5171-35C4534F3595}.Debug|x64.Build.0 = Debug|x64
+		{57ABD9A2-CE8E-CCA7-5171-35C4534F3595}.Release|Win32.Build.0 = Release|Win32
+		{57ABD9A2-CE8E-CCA7-5171-35C4534F3595}.Release|x64.Build.0 = Release|x64
 		{19564640-CEE6-4921-ABA5-676ED79A36F6}.Debug|Win32.ActiveCfg = Debug|Win32
 		{19564640-CEE6-4921-ABA5-676ED79A36F6}.Debug|x64.ActiveCfg = Debug|x64
 		{19564640-CEE6-4921-ABA5-676ED79A36F6}.Release|Win32.ActiveCfg = Release|Win32
diff --git a/vsprojects/vcxproj/boringssl/boringssl.vcxproj b/vsprojects/vcxproj/boringssl/boringssl.vcxproj
index 27125c42dc2ff2c2d83b2058cbb726f26fc26ca6..59db775d799788e58f80077d059f7dd1d7225870 100644
--- a/vsprojects/vcxproj/boringssl/boringssl.vcxproj
+++ b/vsprojects/vcxproj/boringssl/boringssl.vcxproj
@@ -156,12 +156,12 @@
     <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\cipher\internal.h" />
     <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\conf\conf_def.h" />
     <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\conf\internal.h" />
+    <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\curve25519\internal.h" />
     <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\des\internal.h" />
     <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\dh\internal.h" />
     <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\digest\internal.h" />
     <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\digest\md32_common.h" />
     <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\directory.h" />
-    <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\dsa\internal.h" />
     <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\ec\internal.h" />
     <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\ec\p256-x86_64-table.h" />
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@@ -400,6 +400,8 @@
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     <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\buf\buf.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\bytestring\asn1_compat.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\bytestring\ber.c">
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     <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\bytestring\cbb.c">
@@ -446,6 +448,8 @@
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     <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\curve25519\curve25519.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\curve25519\x25519-x86_64.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\des\des.c">
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     <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\dh\check.c">
@@ -828,6 +832,8 @@
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     <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\ssl\ssl_cipher.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\ssl\ssl_ecdh.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\ssl\ssl_file.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\ssl\ssl_lib.c">
diff --git a/vsprojects/vcxproj/boringssl/boringssl.vcxproj.filters b/vsprojects/vcxproj/boringssl/boringssl.vcxproj.filters
index 8cee094270c0f6ece40471738d7ecea9ffebcde1..bd996bdc445493dbff39abf8707ff51a6a782982 100644
--- a/vsprojects/vcxproj/boringssl/boringssl.vcxproj.filters
+++ b/vsprojects/vcxproj/boringssl/boringssl.vcxproj.filters
@@ -217,6 +217,9 @@
     <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\buf\buf.c">
       <Filter>third_party\boringssl\crypto\buf</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\bytestring\asn1_compat.c">
+      <Filter>third_party\boringssl\crypto\bytestring</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\bytestring\ber.c">
       <Filter>third_party\boringssl\crypto\bytestring</Filter>
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@@ -286,6 +289,9 @@
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       <Filter>third_party\boringssl\crypto\curve25519</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\curve25519\x25519-x86_64.c">
+      <Filter>third_party\boringssl\crypto\curve25519</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\des\des.c">
       <Filter>third_party\boringssl\crypto\des</Filter>
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@@ -859,6 +865,9 @@
     <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\ssl\ssl_cipher.c">
       <Filter>third_party\boringssl\ssl</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\ssl\ssl_ecdh.c">
+      <Filter>third_party\boringssl\ssl</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\ssl\ssl_file.c">
       <Filter>third_party\boringssl\ssl</Filter>
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     <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\conf\internal.h">
       <Filter>third_party\boringssl\crypto\conf</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\curve25519\internal.h">
+      <Filter>third_party\boringssl\crypto\curve25519</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\third_party\boringssl\crypto\des\internal.h">
       <Filter>third_party\boringssl\crypto\des</Filter>
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@@ -927,9 +939,6 @@
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diff --git a/vsprojects/vcxproj/gpr/gpr.vcxproj b/vsprojects/vcxproj/gpr/gpr.vcxproj
index 9281fa399522a81db70ee8563d429308a70acef2..cdb128e48effa89f1b597e814a0cb580ff8aa9fc 100644
--- a/vsprojects/vcxproj/gpr/gpr.vcxproj
+++ b/vsprojects/vcxproj/gpr/gpr.vcxproj
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-    <ClInclude Include="$(SolutionDir)\..\src\core\support\time_precise.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\tmpfile.h" />
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+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\backoff.h" />
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+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\env.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\load_file.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\murmur_hash.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\stack_lockfree.h" />
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+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\string_win32.h" />
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   <ItemGroup>
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+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\profiling\stap_timers.c">
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diff --git a/vsprojects/vcxproj/gpr/gpr.vcxproj.filters b/vsprojects/vcxproj/gpr/gpr.vcxproj.filters
index b85060f385042026c113550b39ead6dc21008b69..8af6fdd44cb474aee5883074c2846620a5568135 100644
--- a/vsprojects/vcxproj/gpr/gpr.vcxproj.filters
+++ b/vsprojects/vcxproj/gpr/gpr.vcxproj.filters
@@ -1,137 +1,137 @@
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-      <Filter>src\core\profiling</Filter>
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+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\thd.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\thd_posix.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\thd_posix.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\thd_win32.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\thd_win32.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\time.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\time.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\time_posix.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\time_posix.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\time_precise.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\time_precise.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\time_win32.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\time_win32.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\tls_pthread.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\tls_pthread.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\tmpfile_posix.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\tmpfile_posix.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\tmpfile_win32.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\tmpfile_win32.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\support\wrap_memcpy.c">
-      <Filter>src\core\support</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\support\wrap_memcpy.c">
+      <Filter>src\core\lib\support</Filter>
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
@@ -263,41 +263,41 @@
     </ClInclude>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\src\core\profiling\timers.h">
-      <Filter>src\core\profiling</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\profiling\timers.h">
+      <Filter>src\core\lib\profiling</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\backoff.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\backoff.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\block_annotate.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\block_annotate.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\env.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\env.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\load_file.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\load_file.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\murmur_hash.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\murmur_hash.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\stack_lockfree.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\stack_lockfree.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\string.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\string.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\string_win32.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\string_win32.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\thd_internal.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\thd_internal.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\time_precise.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\time_precise.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\support\tmpfile.h">
-      <Filter>src\core\support</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\support\tmpfile.h">
+      <Filter>src\core\lib\support</Filter>
     </ClInclude>
   </ItemGroup>
 
@@ -323,11 +323,14 @@
     <Filter Include="src\core">
       <UniqueIdentifier>{c5e1baa7-de77-beb1-9675-942261648f79}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\profiling">
-      <UniqueIdentifier>{93b7086c-8c8a-6bbf-fb14-1f166bf0146a}</UniqueIdentifier>
+    <Filter Include="src\core\lib">
+      <UniqueIdentifier>{52037bcb-5719-a548-224d-834fbe569045}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\support">
-      <UniqueIdentifier>{bb116f2a-ea2a-c233-82da-0c54e3cbfec1}</UniqueIdentifier>
+    <Filter Include="src\core\lib\profiling">
+      <UniqueIdentifier>{ba38d79d-d5de-a89e-9ca2-c5235a03ca7f}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\core\lib\support">
+      <UniqueIdentifier>{a4812158-7fba-959e-4e09-50167fe38df8}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
index d29e68902febd61ffca23bcbb3652cbd61fa87f6..29cab37d521ad210e3adbf5d65336afbc11b55bd 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
@@ -293,8 +293,6 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\async_unary_call.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\byte_buffer.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\channel_arguments.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\slice.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\status.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\status_code_enum.h" />
@@ -311,9 +309,8 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\create_auth_context.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h" />
@@ -333,6 +330,30 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_no_cxx11.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_stream.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\secure_credentials.h" />
@@ -340,8 +361,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\cpp\common\secure_auth_context.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\secure_server_credentials.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\cpp\common\core_codegen.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\cpp\common\create_auth_context.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\dynamic_thread_pool.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\thread_pool_interface.h" />
   </ItemGroup>
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
index c9b3bb95009cfa1755a56d83e53e31d59ada839e..15e2807fd410a5fb39db6bb6424ea766eba73713 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
@@ -201,12 +201,6 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\channel_arguments.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h">
-      <Filter>include\grpc++\support</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h">
-      <Filter>include\grpc++\support</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\slice.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>
@@ -255,13 +249,10 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h">
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\create_auth_context.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h">
@@ -321,6 +312,78 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h">
+      <Filter>include\grpc++\support</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h">
+      <Filter>include\grpc++\support</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\secure_credentials.h">
@@ -338,12 +401,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.h">
       <Filter>src\cpp\client</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\cpp\common\core_codegen.h">
-      <Filter>src\cpp\common</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\cpp\common\create_auth_context.h">
-      <Filter>src\cpp\common</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\dynamic_thread_pool.h">
       <Filter>src\cpp\server</Filter>
     </ClInclude>
@@ -356,6 +413,9 @@
     <Filter Include="include">
       <UniqueIdentifier>{82445414-24cd-8198-1fe1-4267c3f3df00}</UniqueIdentifier>
     </Filter>
+    <Filter Include="include\grpc">
+      <UniqueIdentifier>{16946104-53ac-ac76-68b9-f9ec77ea6fae}</UniqueIdentifier>
+    </Filter>
     <Filter Include="include\grpc++">
       <UniqueIdentifier>{784a0281-f547-aeb0-9f55-b26b7de9c769}</UniqueIdentifier>
     </Filter>
@@ -377,6 +437,12 @@
     <Filter Include="include\grpc++\support">
       <UniqueIdentifier>{a5c10dae-f715-2a30-1066-d22f8bc94cb2}</UniqueIdentifier>
     </Filter>
+    <Filter Include="include\grpc\impl">
+      <UniqueIdentifier>{48c3b0ae-c00f-fa20-6965-b73da65d71cb}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc\impl\codegen">
+      <UniqueIdentifier>{dc8bfccd-341f-26f0-8ee4-47dde62a6dd1}</UniqueIdentifier>
+    </Filter>
     <Filter Include="src">
       <UniqueIdentifier>{328ff211-2886-406e-56f9-18ba1686f363}</UniqueIdentifier>
     </Filter>
diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
index 3d1aee09bd18aa7cd7e58da646d222f7c3d81206..fcda361ef19f722edd349d21fcc80f1fa057eaaf 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
@@ -293,8 +293,6 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\async_unary_call.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\byte_buffer.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\channel_arguments.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\slice.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\status.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\status_code_enum.h" />
@@ -311,9 +309,8 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\create_auth_context.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h" />
@@ -333,11 +330,34 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_no_cxx11.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_stream.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\common\core_codegen.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\cpp\common\create_auth_context.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\dynamic_thread_pool.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\thread_pool_interface.h" />
   </ItemGroup>
@@ -402,6 +422,9 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
       <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
index 70a23bfae113874002192d6ae9a5d99141146819..1dc95f985ad708ee18f081ad85fcce28016db5ec 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
@@ -186,12 +186,6 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\channel_arguments.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h">
-      <Filter>include\grpc++\support</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h">
-      <Filter>include\grpc++\support</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\slice.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>
@@ -240,13 +234,10 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h">
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\create_auth_context.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h">
@@ -306,6 +297,78 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h">
+      <Filter>include\grpc++\support</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h">
+      <Filter>include\grpc++\support</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.h">
@@ -314,9 +377,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\cpp\common\core_codegen.h">
       <Filter>src\cpp\common</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\cpp\common\create_auth_context.h">
-      <Filter>src\cpp\common</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\dynamic_thread_pool.h">
       <Filter>src\cpp\server</Filter>
     </ClInclude>
@@ -329,6 +389,9 @@
     <Filter Include="include">
       <UniqueIdentifier>{5c4eb19f-d511-e8fd-e1d6-c377cdc7d3b1}</UniqueIdentifier>
     </Filter>
+    <Filter Include="include\grpc">
+      <UniqueIdentifier>{f3dd91a8-058b-becf-9e41-eb42c7bc6e55}</UniqueIdentifier>
+    </Filter>
     <Filter Include="include\grpc++">
       <UniqueIdentifier>{eceb50c0-bb49-3812-b6bd-b0af6df81da7}</UniqueIdentifier>
     </Filter>
@@ -350,6 +413,12 @@
     <Filter Include="include\grpc++\support">
       <UniqueIdentifier>{0ebf8008-80b9-d6da-e1dc-854bf1ec2195}</UniqueIdentifier>
     </Filter>
+    <Filter Include="include\grpc\impl">
+      <UniqueIdentifier>{c1049250-64f6-f900-d2e5-1718e148f1f0}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc\impl\codegen">
+      <UniqueIdentifier>{adf6b8e3-4a4b-cb35-bb3d-568af97b58d1}</UniqueIdentifier>
+    </Filter>
     <Filter Include="src">
       <UniqueIdentifier>{cce6a85d-1111-3834-6825-31e170d93cff}</UniqueIdentifier>
     </Filter>
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 4248ade4b2e1c930afe3d34db3e3f6c4f32a15b7..4eec05a3b1fc308de93052c0cca16e46c3b1872c 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -267,7 +267,6 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer_reader.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\compression.h" />
@@ -279,466 +278,492 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security_constants.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\census.h" />
   </ItemGroup>
   <ItemGroup>
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-    <ClInclude Include="$(SolutionDir)\..\src\core\channel\channel_args.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\channel\channel_stack.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\channel\client_channel.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\channel\client_uchannel.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\channel\compress_filter.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\channel\connected_channel.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\channel\context.h" />
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-    <ClInclude Include="$(SolutionDir)\..\src\core\client_config\resolver_factory.h" />
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+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\channel_stack_builder.h" />
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diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index 31fb00388dc7e534a82d370675630ae10d48eb30..17c88c4805e0a8b30241d898adb0d5de7d73712c 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -1,491 +1,503 @@
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deleted file mode 100644
index be1e62348232579dfe8578bbbedf407b92ef1d14..0000000000000000000000000000000000000000
--- a/vsprojects/vcxproj/grpc_codegen_lib/grpc_codegen_lib.vcxproj.filters
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-    <Filter Include="include">
-      <UniqueIdentifier>{1fe03afe-0c52-a706-2c50-4ea691805d81}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="include\grpc">
-      <UniqueIdentifier>{386f8a29-15ac-1f26-30ee-d9a605a802be}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="include\grpc\impl">
-      <UniqueIdentifier>{9828c5d3-4dc2-f116-97bf-015089243c94}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="include\grpc\impl\codegen">
-      <UniqueIdentifier>{0e88ed03-ed1e-49c0-15d7-69934b433494}</UniqueIdentifier>
-    </Filter>
-  </ItemGroup>
-</Project>
-
diff --git a/vsprojects/vcxproj/grpc_node_plugin/grpc_node_plugin.vcxproj b/vsprojects/vcxproj/grpc_node_plugin/grpc_node_plugin.vcxproj
new file mode 100644
index 0000000000000000000000000000000000000000..faf93fd1365f211fff75de883d6daa2cb4cde91b
--- /dev/null
+++ b/vsprojects/vcxproj/grpc_node_plugin/grpc_node_plugin.vcxproj
@@ -0,0 +1,168 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{57ABD9A2-CE8E-CCA7-5171-35C4534F3595}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\protobuf.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\protoc.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>grpc_node_plugin</TargetName>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>grpc_node_plugin</TargetName>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\src\compiler\node_plugin.cc">
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_plugin_support\grpc_plugin_support.vcxproj">
+      <Project>{B6E81D84-2ACB-41B8-8781-493A944C7817}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/grpc_node_plugin/grpc_node_plugin.vcxproj.filters b/vsprojects/vcxproj/grpc_node_plugin/grpc_node_plugin.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..28b197f6f3918b14763aa85254f6b08aa5090d56
--- /dev/null
+++ b/vsprojects/vcxproj/grpc_node_plugin/grpc_node_plugin.vcxproj.filters
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\src\compiler\node_plugin.cc">
+      <Filter>src\compiler</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="src">
+      <UniqueIdentifier>{089d5d6b-d438-dc98-b30f-bd608e3bbb78}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\compiler">
+      <UniqueIdentifier>{1cc34440-c001-7578-c4d3-78f5d98fb602}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj b/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj
index 058ae4fcb519a6dc76579509b31758da113c3290..a81d31768d77429a7143684ebb6ddb63f51539d3 100644
--- a/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj
+++ b/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj
@@ -147,31 +147,21 @@
     </Link>
   </ItemDefinitionGroup>
 
-  <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
-  </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
+  </ItemGroup>
+  <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\compiler\config.h" />
     <ClInclude Include="$(SolutionDir)\..\src\compiler\cpp_generator.h" />
     <ClInclude Include="$(SolutionDir)\..\src\compiler\cpp_generator_helpers.h" />
     <ClInclude Include="$(SolutionDir)\..\src\compiler\csharp_generator.h" />
     <ClInclude Include="$(SolutionDir)\..\src\compiler\csharp_generator_helpers.h" />
     <ClInclude Include="$(SolutionDir)\..\src\compiler\generator_helpers.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\compiler\node_generator.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\compiler\node_generator_helpers.h" />
     <ClInclude Include="$(SolutionDir)\..\src\compiler\objective_c_generator.h" />
     <ClInclude Include="$(SolutionDir)\..\src\compiler\objective_c_generator_helpers.h" />
     <ClInclude Include="$(SolutionDir)\..\src\compiler\python_generator.h" />
@@ -185,6 +175,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\compiler\csharp_generator.cc">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\compiler\node_generator.cc">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\compiler\objective_c_generator.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\compiler\python_generator.cc">
@@ -192,11 +184,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\compiler\ruby_generator.cc">
     </ClCompile>
   </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++_codegen_lib\grpc++_codegen_lib.vcxproj">
-      <Project>{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}</Project>
-    </ProjectReference>
-  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
diff --git a/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj.filters b/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj.filters
index b1a63eb41f80a6bdb814ffac05d73e898c9742dc..b3d2dc2f3d557c001b2b298ea1f9e73338f7d990 100644
--- a/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj.filters
@@ -7,6 +7,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\compiler\csharp_generator.cc">
       <Filter>src\compiler</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\compiler\node_generator.cc">
+      <Filter>src\compiler</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\compiler\objective_c_generator.cc">
       <Filter>src\compiler</Filter>
     </ClCompile>
@@ -17,50 +20,6 @@
       <Filter>src\compiler</Filter>
     </ClCompile>
   </ItemGroup>
-  <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-  </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h">
       <Filter>include\grpc++\support</Filter>
@@ -68,6 +27,14 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\compiler\config.h">
       <Filter>src\compiler</Filter>
     </ClInclude>
@@ -86,6 +53,12 @@
     <ClInclude Include="$(SolutionDir)\..\src\compiler\generator_helpers.h">
       <Filter>src\compiler</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\compiler\node_generator.h">
+      <Filter>src\compiler</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\compiler\node_generator_helpers.h">
+      <Filter>src\compiler</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\compiler\objective_c_generator.h">
       <Filter>src\compiler</Filter>
     </ClInclude>
@@ -113,20 +86,17 @@
     <Filter Include="include">
       <UniqueIdentifier>{93ed419d-4540-7fa4-814d-3392745b77ff}</UniqueIdentifier>
     </Filter>
-    <Filter Include="include\grpc">
-      <UniqueIdentifier>{ae5560ea-77fe-ab95-c7a3-4538c66591a8}</UniqueIdentifier>
-    </Filter>
     <Filter Include="include\grpc++">
       <UniqueIdentifier>{893c09ee-e315-e763-9d9d-37522ba2f51c}</UniqueIdentifier>
     </Filter>
-    <Filter Include="include\grpc++\support">
-      <UniqueIdentifier>{1c34d005-1ffb-8a31-881a-c6bb431cda69}</UniqueIdentifier>
+    <Filter Include="include\grpc++\impl">
+      <UniqueIdentifier>{3e8c71a4-8a06-a577-2799-2224a1ad1f1b}</UniqueIdentifier>
     </Filter>
-    <Filter Include="include\grpc\impl">
-      <UniqueIdentifier>{3c047248-00c2-4c59-fffd-9e313353e390}</UniqueIdentifier>
+    <Filter Include="include\grpc++\impl\codegen">
+      <UniqueIdentifier>{ec2a6e26-915b-ba1b-4f59-f361dc01105c}</UniqueIdentifier>
     </Filter>
-    <Filter Include="include\grpc\impl\codegen">
-      <UniqueIdentifier>{749ae941-63f0-c623-8b4b-a3114ec81bb7}</UniqueIdentifier>
+    <Filter Include="include\grpc++\support">
+      <UniqueIdentifier>{1c34d005-1ffb-8a31-881a-c6bb431cda69}</UniqueIdentifier>
     </Filter>
     <Filter Include="src">
       <UniqueIdentifier>{94c9769a-a6cd-49fd-2b30-e52d2d02ed91}</UniqueIdentifier>
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
index 5735327b7863b22b57e3926c092bd6860a87a0c6..f0a8f7b6b9e7bfba2eae6aea743f7e6a1d2c4f08 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
@@ -153,11 +153,17 @@
     <ClInclude Include="$(SolutionDir)\..\test\core\end2end\fixtures\proxy.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\iomgr\endpoint_tests.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\grpc_profiler.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\memory_counters.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\mock_endpoint.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\port_server_client.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\slice_splitter.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\client_certs.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\server1_cert.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\server1_key.c">
@@ -174,10 +180,18 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\grpc_profiler.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\memory_counters.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\mock_endpoint.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_posix.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\port_server_client.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_windows.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\slice_splitter.c">
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
index 47a689a8224af90083263c6e0d616dcfdf9b1cf3..a1d31eb54e00f99813f104b9819b50f0fadf108b 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\client_certs.c">
+      <Filter>test\core\end2end\data</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\server1_cert.c">
       <Filter>test\core\end2end\data</Filter>
     </ClCompile>
@@ -25,12 +28,24 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\util\grpc_profiler.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\memory_counters.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\mock_endpoint.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_posix.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\port_server_client.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_windows.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
@@ -57,12 +72,24 @@
     <ClInclude Include="$(SolutionDir)\..\test\core\util\grpc_profiler.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\memory_counters.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\mock_endpoint.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\port_server_client.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\slice_splitter.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj
index 6ff6ec9a5641351d68e668efc7bca734965627a7..33860c48a461ce92e7d0f87dadd02a5dac3964a9 100644
--- a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj
@@ -151,8 +151,12 @@
     <ClInclude Include="$(SolutionDir)\..\test\core\end2end\fixtures\proxy.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\iomgr\endpoint_tests.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\grpc_profiler.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\memory_counters.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\mock_endpoint.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\port_server_client.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\slice_splitter.h" />
   </ItemGroup>
   <ItemGroup>
@@ -164,10 +168,18 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\grpc_profiler.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\memory_counters.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\mock_endpoint.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_posix.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\port_server_client.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_windows.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\slice_splitter.c">
@@ -183,6 +195,9 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
       <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters
index 3b682cec6d22f1e7499d05ed8f640400409bc288..372bb2af6774a2e8ff0bcc2551833097c1ea41da 100644
--- a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters
@@ -13,12 +13,24 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\util\grpc_profiler.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\memory_counters.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\mock_endpoint.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_posix.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\port_server_client.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_windows.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
@@ -39,12 +51,24 @@
     <ClInclude Include="$(SolutionDir)\..\test\core\util\grpc_profiler.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\memory_counters.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\mock_endpoint.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\port_server_client.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\slice_splitter.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index f0d869ba9307f6388fce4949437e8534d4ad84a6..26050dcf74ed7e289c7413be3486bc8b264fb007 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -269,412 +269,436 @@
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     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\census.h" />
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diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index 1f240212a389df9256e808d5b6ec8d94f84a2cef..a4acf513bc192db5a9dacffc7c5536faa994d078 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -1,425 +1,440 @@
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-      <Filter>src\core\census</Filter>
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+      <UniqueIdentifier>{babf0a90-e934-f599-5475-e6937d9580fe}</UniqueIdentifier>
     </Filter>
     <Filter Include="third_party">
       <UniqueIdentifier>{025c051e-8eba-125b-67f9-173f95176eb2}</UniqueIdentifier>
diff --git a/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test/boringssl_asn1_test.vcxproj b/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test/boringssl_asn1_test.vcxproj
new file mode 100644
index 0000000000000000000000000000000000000000..9d5aa67e06c0a7f086f3a7c5f6c73bf4dce18774
--- /dev/null
+++ b/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test/boringssl_asn1_test.vcxproj
@@ -0,0 +1,198 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{A18A6879-13EB-F421-E270-03C6DBD6A6B7}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\cpptest.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\protobuf.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>boringssl_asn1_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>boringssl_asn1_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>false</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>false</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>false</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>false</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\vsprojects\dummy.c">
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/boringssl\boringssl_asn1_test_lib\boringssl_asn1_test_lib.vcxproj">
+      <Project>{37B78CF5-2090-3DC6-FF98-17381709846A}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\boringssl_test_util\boringssl_test_util.vcxproj">
+      <Project>{427037B1-B51B-D6F1-5025-AD12B200266A}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\boringssl\boringssl.vcxproj">
+      <Project>{9FD9A3EF-C4A3-8390-D8F4-6F86C22A58CE}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test/boringssl_asn1_test.vcxproj.filters b/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test/boringssl_asn1_test.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..00e4276f1d4a4424020141e0c5296974350bd7ba
--- /dev/null
+++ b/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test/boringssl_asn1_test.vcxproj.filters
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/grpc_codegen_lib/grpc_codegen_lib.vcxproj b/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test_lib/boringssl_asn1_test_lib.vcxproj
similarity index 77%
rename from vsprojects/vcxproj/grpc_codegen_lib/grpc_codegen_lib.vcxproj
rename to vsprojects/vcxproj/test/boringssl/boringssl_asn1_test_lib/boringssl_asn1_test_lib.vcxproj
index a6a5a858a4432b81901cd9af97a98c5eec155071..177bfcbb3b77384e2a6fa43641a5f1190ccc6110 100644
--- a/vsprojects/vcxproj/grpc_codegen_lib/grpc_codegen_lib.vcxproj
+++ b/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test_lib/boringssl_asn1_test_lib.vcxproj
@@ -19,7 +19,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{A828FD72-44CE-4EA5-8966-6E4624458D58}</ProjectGuid>
+    <ProjectGuid>{37B78CF5-2090-3DC6-FF98-17381709846A}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -57,10 +57,10 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_codegen_lib</TargetName>
+    <TargetName>boringssl_asn1_test_lib</TargetName>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_codegen_lib</TargetName>
+    <TargetName>boringssl_asn1_test_lib</TargetName>
   </PropertyGroup>
     <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
@@ -70,7 +70,7 @@
       <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
-      <TreatWarningAsError>true</TreatWarningAsError>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
@@ -89,7 +89,7 @@
       <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
-      <TreatWarningAsError>true</TreatWarningAsError>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
@@ -110,7 +110,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
-      <TreatWarningAsError>true</TreatWarningAsError>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
@@ -133,7 +133,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
-      <TreatWarningAsError>true</TreatWarningAsError>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
@@ -147,30 +147,16 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
+    <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\asn1\asn1_test.cc">
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\vsprojects\dummy.c">
-    </ClCompile>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\boringssl_test_util\boringssl_test_util.vcxproj">
+      <Project>{427037B1-B51B-D6F1-5025-AD12B200266A}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\boringssl\boringssl.vcxproj">
+      <Project>{9FD9A3EF-C4A3-8390-D8F4-6F86C22A58CE}</Project>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test_lib/boringssl_asn1_test_lib.vcxproj.filters b/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test_lib/boringssl_asn1_test_lib.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..d508701e3cd51abcd1dd9879c84e26a39994eeed
--- /dev/null
+++ b/vsprojects/vcxproj/test/boringssl/boringssl_asn1_test_lib/boringssl_asn1_test_lib.vcxproj.filters
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\third_party\boringssl\crypto\asn1\asn1_test.cc">
+      <Filter>third_party\boringssl\crypto\asn1</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="third_party">
+      <UniqueIdentifier>{4115523a-a0e5-e13f-f46b-76308dedf6f3}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="third_party\boringssl">
+      <UniqueIdentifier>{c1481ada-4ab1-0cb6-8828-83f09d5421e4}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="third_party\boringssl\crypto">
+      <UniqueIdentifier>{199f1153-e7a0-fcef-73f5-eb766cb38fc3}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="third_party\boringssl\crypto\asn1">
+      <UniqueIdentifier>{c5964062-112a-0884-d3ae-d8aec947c2f3}</UniqueIdentifier>
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+
diff --git a/vsprojects/vcxproj/test/boringssl/boringssl_x509_test/boringssl_x509_test.vcxproj b/vsprojects/vcxproj/test/boringssl/boringssl_x509_test/boringssl_x509_test.vcxproj
new file mode 100644
index 0000000000000000000000000000000000000000..2bf7f71531f52c1551525aeb58060229713bfd3f
--- /dev/null
+++ b/vsprojects/vcxproj/test/boringssl/boringssl_x509_test/boringssl_x509_test.vcxproj
@@ -0,0 +1,198 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{0E1472A5-A857-7680-45C6-7C4DD2F6BE48}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
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new file mode 100644
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diff --git a/vsprojects/vcxproj/grpc++_codegen_lib/grpc++_codegen_lib.vcxproj.filters b/vsprojects/vcxproj/test/codegen_test_full/codegen_test_full.vcxproj.filters
similarity index 77%
rename from vsprojects/vcxproj/grpc++_codegen_lib/grpc++_codegen_lib.vcxproj.filters
rename to vsprojects/vcxproj/test/codegen_test_full/codegen_test_full.vcxproj.filters
index 3cc00829d8d37111cf19a07f478bb28ecb1f1127..029b8ef774126c593a9f935a6bce0c9fa7d30eaf 100644
--- a/vsprojects/vcxproj/grpc++_codegen_lib/grpc++_codegen_lib.vcxproj.filters
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-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_stream.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
@@ -93,13 +54,10 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h">
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\create_auth_context.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h">
@@ -159,41 +117,125 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h">
       <Filter>include\grpc++\impl\codegen</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
   </ItemGroup>
 
   <ItemGroup>
     <Filter Include="include">
-      <UniqueIdentifier>{cf409044-341b-37b5-03f3-0b09c3c474c4}</UniqueIdentifier>
+      <UniqueIdentifier>{906b08b6-1c67-d4e6-dfe6-16aa91be8eb4}</UniqueIdentifier>
     </Filter>
     <Filter Include="include\grpc">
-      <UniqueIdentifier>{cddccffd-da89-18ad-da57-0c9d704a4633}</UniqueIdentifier>
+      <UniqueIdentifier>{46618609-460b-ebe5-0b02-65a6afcea03b}</UniqueIdentifier>
     </Filter>
     <Filter Include="include\grpc++">
-      <UniqueIdentifier>{cb8cb5ad-cf23-a491-046c-1c0688be53ac}</UniqueIdentifier>
+      <UniqueIdentifier>{25436c6c-6d67-aba9-8d95-d7dd50e3a188}</UniqueIdentifier>
     </Filter>
     <Filter Include="include\grpc++\impl">
-      <UniqueIdentifier>{a734ff7f-2489-0c04-3fc6-35e361240cf1}</UniqueIdentifier>
+      <UniqueIdentifier>{b0b279c5-88b4-b733-4d75-a003212c7e13}</UniqueIdentifier>
     </Filter>
     <Filter Include="include\grpc++\impl\codegen">
-      <UniqueIdentifier>{ffc473f2-ece4-fedf-238f-f161e5c3d5e7}</UniqueIdentifier>
+      <UniqueIdentifier>{6b9a368a-8dba-441b-a31d-def53c3eb6cf}</UniqueIdentifier>
     </Filter>
     <Filter Include="include\grpc++\impl\codegen\security">
-      <UniqueIdentifier>{89065a9e-e4a0-e5e4-32e9-51cd4cadab46}</UniqueIdentifier>
+      <UniqueIdentifier>{12f7e55c-a6c1-b083-9017-135542012295}</UniqueIdentifier>
     </Filter>
     <Filter Include="include\grpc\impl">
-      <UniqueIdentifier>{45ab28cb-74e7-1a53-77c1-bbf2ec383fa2}</UniqueIdentifier>
+      <UniqueIdentifier>{d4c65b16-f94b-557d-8cd2-b9c8c6659673}</UniqueIdentifier>
     </Filter>
     <Filter Include="include\grpc\impl\codegen">
-      <UniqueIdentifier>{311586c5-1a08-e1ba-8dd8-d1cbe10156b3}</UniqueIdentifier>
+      <UniqueIdentifier>{f2ddfc7f-8c95-bbfe-c40d-5737f28d8311}</UniqueIdentifier>
     </Filter>
     <Filter Include="src">
-      <UniqueIdentifier>{e9bdb195-1cf9-a0f4-231c-fcee59eb54ca}</UniqueIdentifier>
+      <UniqueIdentifier>{909027fc-be54-d7d9-3e0b-b034a6f7ff8f}</UniqueIdentifier>
     </Filter>
     <Filter Include="src\cpp">
-      <UniqueIdentifier>{d2e57ea3-c758-0f7c-3bc9-e71dd87bd654}</UniqueIdentifier>
+      <UniqueIdentifier>{0944bc3e-4288-3a9e-81df-b4eb0910e74f}</UniqueIdentifier>
     </Filter>
     <Filter Include="src\cpp\codegen">
-      <UniqueIdentifier>{f93ade18-7c50-7ed9-b8e7-383b11f077c2}</UniqueIdentifier>
+      <UniqueIdentifier>{88566202-70b0-f87e-2ce8-3cd61e5a57da}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\proto">
+      <UniqueIdentifier>{84c6b0c4-1143-abcf-cc7b-3ee6ef87f16a}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\proto\grpc">
+      <UniqueIdentifier>{4da12131-db02-7cd7-361f-6f1c93af1d51}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\proto\grpc\testing">
+      <UniqueIdentifier>{a8c9aa14-6237-2ecd-82b4-32f5f3347b35}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test">
+      <UniqueIdentifier>{5807e8ad-90b9-2dc6-447f-1c5e7b8fba47}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\cpp">
+      <UniqueIdentifier>{0eaa7a87-86be-68a6-a8cf-a9039a9d61d6}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\cpp\codegen">
+      <UniqueIdentifier>{6cac9a6e-b8c8-bef0-2895-9f732ff8c7ee}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/grpc++_codegen_lib/grpc++_codegen_lib.vcxproj b/vsprojects/vcxproj/test/codegen_test_minimal/codegen_test_minimal.vcxproj
similarity index 62%
rename from vsprojects/vcxproj/grpc++_codegen_lib/grpc++_codegen_lib.vcxproj
rename to vsprojects/vcxproj/test/codegen_test_minimal/codegen_test_minimal.vcxproj
index de2526bd87aaa9992554b9b49cd0f11f60a3cc99..6d138fae1cb7aa1c812746b43775ee8567d56a22 100644
--- a/vsprojects/vcxproj/grpc++_codegen_lib/grpc++_codegen_lib.vcxproj
+++ b/vsprojects/vcxproj/test/codegen_test_minimal/codegen_test_minimal.vcxproj
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -19,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}</ProjectGuid>
+    <ProjectGuid>{87FCA32C-6ECF-5D95-7081-55F309EC6393}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -37,12 +38,12 @@
     <PlatformToolset>v140</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
-    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
-    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
@@ -52,15 +53,27 @@
   </ImportGroup>
   <ImportGroup Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\cpptest.props" />
     <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\protobuf.props" />
     <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc++_codegen_lib</TargetName>
+    <TargetName>codegen_test_minimal</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc++_codegen_lib</TargetName>
+    <TargetName>codegen_test_minimal</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
     <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
@@ -75,7 +88,7 @@
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
     </Link>
@@ -94,7 +107,7 @@
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
     </Link>
@@ -115,7 +128,7 @@
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -138,7 +151,7 @@
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -147,26 +160,6 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_stream.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_unary_call.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call.h" />
@@ -176,9 +169,8 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\create_auth_context.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h" />
@@ -198,18 +190,102 @@
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     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_stream.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\control.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\control.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\control.grpc.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\control.grpc.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\messages.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\messages.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\messages.grpc.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\messages.grpc.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\payloads.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\payloads.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\payloads.grpc.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\payloads.grpc.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.grpc.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.grpc.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\services.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\services.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\services.grpc.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\services.grpc.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.grpc.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.grpc.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\codegen\codegen_test_minimal.cc">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\codegen_init.cc">
     </ClCompile>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
   </ImportGroup>
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
   </Target>
 </Project>
 
diff --git a/vsprojects/vcxproj/test/codegen_test_minimal/codegen_test_minimal.vcxproj.filters b/vsprojects/vcxproj/test/codegen_test_minimal/codegen_test_minimal.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..dc3f0b2d0404da9c62676416cf159446248b9ef3
--- /dev/null
+++ b/vsprojects/vcxproj/test/codegen_test_minimal/codegen_test_minimal.vcxproj.filters
@@ -0,0 +1,242 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\control.proto">
+      <Filter>src\proto\grpc\testing</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\messages.proto">
+      <Filter>src\proto\grpc\testing</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\payloads.proto">
+      <Filter>src\proto\grpc\testing</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.proto">
+      <Filter>src\proto\grpc\testing</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\services.proto">
+      <Filter>src\proto\grpc\testing</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.proto">
+      <Filter>src\proto\grpc\testing</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\codegen\codegen_test_minimal.cc">
+      <Filter>test\cpp\codegen</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\codegen_init.cc">
+      <Filter>src\cpp\codegen</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_stream.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_unary_call.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call_hook.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\channel_interface.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_context.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\create_auth_context.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_method.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_service_method.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\security\auth_context.h">
+      <Filter>include\grpc++\impl\codegen\security</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\serialization_traits.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_context.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_interface.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\service_type.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status_code_enum.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\string_ref.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\stub_options.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_cxx11.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_no_cxx11.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_stream.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="include">
+      <UniqueIdentifier>{d7e3a4ab-12fd-702a-0f38-f390a3a498ee}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc">
+      <UniqueIdentifier>{af7d5949-f89a-c3d7-b61c-4f6eb53add9d}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc++">
+      <UniqueIdentifier>{871b80f5-04bd-85d1-7c3c-dad152f2d17b}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc++\impl">
+      <UniqueIdentifier>{cb2776d8-357e-4807-8804-b07a35caf468}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc++\impl\codegen">
+      <UniqueIdentifier>{034ecb5b-5ea9-82eb-c7de-3318074530d2}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc++\impl\codegen\security">
+      <UniqueIdentifier>{1eefd7f9-c93b-eb01-9ec6-e654a34a562e}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc\impl">
+      <UniqueIdentifier>{2ba3ef0f-e274-7ddd-20df-902d8d75f690}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc\impl\codegen">
+      <UniqueIdentifier>{e161f3e2-2652-ca2f-adfd-0c58107a026f}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src">
+      <UniqueIdentifier>{0d44e24d-bdd6-798d-096d-2201e0a9fd53}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\cpp">
+      <UniqueIdentifier>{13a5f072-c1d8-5794-d743-7f8cc295c8ef}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\cpp\codegen">
+      <UniqueIdentifier>{afa9b626-4df3-6192-b0b0-82986d31e915}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\proto">
+      <UniqueIdentifier>{85c80929-0814-efc5-9457-f80a00b4bcae}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\proto\grpc">
+      <UniqueIdentifier>{c7a2927d-c3a6-bf01-327d-d4d3e49682ba}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\proto\grpc\testing">
+      <UniqueIdentifier>{9c363e7c-a9fc-0915-250a-5ba46bd8caf7}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test">
+      <UniqueIdentifier>{ea047246-affd-99d8-e39b-268b3ebba747}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\cpp">
+      <UniqueIdentifier>{e09ae1ab-897c-30d8-bdd8-86cdbb7e3b57}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\cpp\codegen">
+      <UniqueIdentifier>{9ee5c585-b102-0eb7-69e4-9f084beeac31}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_nosec_test/h2_uchannel_nosec_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_nosec_test/h2_full+trace_nosec_test.vcxproj
similarity index 98%
rename from vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_nosec_test/h2_uchannel_nosec_test.vcxproj
rename to vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_nosec_test/h2_full+trace_nosec_test.vcxproj
index 76a9e5600f54a56a07976369179d0eadfafff842..a59e08213c1e6814abb4753a874f14c7edb54758 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_nosec_test/h2_uchannel_nosec_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_nosec_test/h2_full+trace_nosec_test.vcxproj
@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{BD79A629-4181-DB5E-C28F-44EB280A6F91}</ProjectGuid>
+    <ProjectGuid>{DFD51943-4906-8051-7D66-6A7D50E0D87E}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -60,14 +60,14 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>h2_uchannel_nosec_test</TargetName>
+    <TargetName>h2_full+trace_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>h2_uchannel_nosec_test</TargetName>
+    <TargetName>h2_full+trace_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_uchannel.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_full+trace.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_test/h2_uchannel_test.vcxproj.filters b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_nosec_test/h2_full+trace_nosec_test.vcxproj.filters
similarity index 68%
rename from vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_test/h2_uchannel_test.vcxproj.filters
rename to vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_nosec_test/h2_full+trace_nosec_test.vcxproj.filters
index 611a643a3333d40d09024ae8e3a495020b3045e9..c9164af19aecd8651c753a162668f37b2c959f87 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_test/h2_uchannel_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_nosec_test/h2_full+trace_nosec_test.vcxproj.filters
@@ -1,23 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_uchannel.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_full+trace.c">
       <Filter>test\core\end2end\fixtures</Filter>
     </ClCompile>
   </ItemGroup>
 
   <ItemGroup>
     <Filter Include="test">
-      <UniqueIdentifier>{0e4c3b3f-4d89-039d-c4d2-3bd39bb5701f}</UniqueIdentifier>
+      <UniqueIdentifier>{2828a8fc-bcc1-7b1c-4953-0c8eaf9fe643}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core">
-      <UniqueIdentifier>{75084bcc-1809-7f7a-8989-d8fe2d5d404f}</UniqueIdentifier>
+      <UniqueIdentifier>{d8e78fb2-4316-018b-704a-0944fd0c6fd9}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core\end2end">
-      <UniqueIdentifier>{9e123c51-0a8c-f222-f2f9-3cee19f2f99e}</UniqueIdentifier>
+      <UniqueIdentifier>{1981c949-24c5-413c-ab03-24eff55e803a}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core\end2end\fixtures">
-      <UniqueIdentifier>{999ee744-f147-9430-9a09-a16f69ecfa2a}</UniqueIdentifier>
+      <UniqueIdentifier>{bfc11ba4-7401-55f0-8513-598aa93e7e1a}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_test/h2_full+trace_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_test/h2_full+trace_test.vcxproj
new file mode 100644
index 0000000000000000000000000000000000000000..6ca9dfa46de552355ac4b8b2a66ec25c3a46f855
--- /dev/null
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_test/h2_full+trace_test.vcxproj
@@ -0,0 +1,202 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{16C713C6-062E-F71F-A44C-52DC35494B27}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>h2_full+trace_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>h2_full+trace_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_full+trace.c">
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_tests\end2end_tests.vcxproj">
+      <Project>{1F1F9084-2A93-B80E-364F-5754894AFAB4}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
+      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
+      <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_test/h2_full+trace_test.vcxproj.filters b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_test/h2_full+trace_test.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..87e8e7228bea3ca726f8b22a8b6fa14f8d0e178d
--- /dev/null
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_full+trace_test/h2_full+trace_test.vcxproj.filters
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_full+trace.c">
+      <Filter>test\core\end2end\fixtures</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{00848213-d356-89b0-1d05-8131961dc959}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core">
+      <UniqueIdentifier>{863a91b6-f5f9-5326-129a-10003d7af98f}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\end2end">
+      <UniqueIdentifier>{2733ff09-adc7-fd49-696f-5f72df2f44e2}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\end2end\fixtures">
+      <UniqueIdentifier>{62aa4eaf-c183-f2af-9ef9-a88ee802702c}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_test/h2_uchannel_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_ssl_cert_test/h2_ssl_cert_test.vcxproj
similarity index 98%
rename from vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_test/h2_uchannel_test.vcxproj
rename to vsprojects/vcxproj/test/end2end/fixtures/h2_ssl_cert_test/h2_ssl_cert_test.vcxproj
index 15646086310f992917bb784be30ed57b7910dbfa..d64c3178102636d69ddca542eb4e9cf3cddcc889 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_test/h2_uchannel_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_ssl_cert_test/h2_ssl_cert_test.vcxproj
@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{E39D59C4-F5CB-7D68-DA6B-C6BC93843435}</ProjectGuid>
+    <ProjectGuid>{B3B7D225-3C04-72F9-4C2C-1C3F3136FE58}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -60,14 +60,14 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>h2_uchannel_test</TargetName>
+    <TargetName>h2_ssl_cert_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>h2_uchannel_test</TargetName>
+    <TargetName>h2_ssl_cert_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_uchannel.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_ssl_cert.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_nosec_test/h2_uchannel_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/end2end/fixtures/h2_ssl_cert_test/h2_ssl_cert_test.vcxproj.filters
similarity index 68%
rename from vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_nosec_test/h2_uchannel_nosec_test.vcxproj.filters
rename to vsprojects/vcxproj/test/end2end/fixtures/h2_ssl_cert_test/h2_ssl_cert_test.vcxproj.filters
index c9adeeebafcf13ab38994ca7f896b65f95d20771..532b0ae2b31e54a39388fe3237ac9a39747729b5 100644
--- a/vsprojects/vcxproj/test/end2end/fixtures/h2_uchannel_nosec_test/h2_uchannel_nosec_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_ssl_cert_test/h2_ssl_cert_test.vcxproj.filters
@@ -1,23 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_uchannel.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_ssl_cert.c">
       <Filter>test\core\end2end\fixtures</Filter>
     </ClCompile>
   </ItemGroup>
 
   <ItemGroup>
     <Filter Include="test">
-      <UniqueIdentifier>{549b9d3c-70c0-f3de-36d6-5b2ce5fb098c}</UniqueIdentifier>
+      <UniqueIdentifier>{2ad9c3be-3600-2475-3705-8927bd57651b}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core">
-      <UniqueIdentifier>{d37f19b6-6893-6a90-09d2-e50d891899ff}</UniqueIdentifier>
+      <UniqueIdentifier>{5d5ee434-b892-585d-97ca-ae595eecbd0b}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core\end2end">
-      <UniqueIdentifier>{bde36bf9-4894-e85b-4a35-f7b1abe9387f}</UniqueIdentifier>
+      <UniqueIdentifier>{903c738d-3c85-534d-d26e-01138f2e96c6}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core\end2end\fixtures">
-      <UniqueIdentifier>{e16ce654-bd8c-2527-1077-e6cd2639c1cb}</UniqueIdentifier>
+      <UniqueIdentifier>{f5bca83d-8278-22b4-7999-c50cea11b90b}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj b/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj
index 2f3b591dfc28f29c1089803adccfc5686c51ef24..22cd102d116e14e7aec8c6ac5cc470e4edd59b0f 100644
--- a/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj
@@ -179,12 +179,16 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\empty_batch.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\filter_causes_close.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\graceful_server_shutdown.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\high_initial_seqno.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\hpack_size.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\idempotent_request.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\invoke_large_request.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\large_metadata.c">
diff --git a/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj.filters b/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj.filters
index c63ebe7d81bca7b3b00c27bc8266956979dc6b1d..1bb208bba8e77f1d45dae6f09915b61f7010e370 100644
--- a/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj.filters
+++ b/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj.filters
@@ -43,6 +43,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\empty_batch.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\filter_causes_close.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\graceful_server_shutdown.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
@@ -52,6 +55,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\hpack_size.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\idempotent_request.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\invoke_large_request.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
diff --git a/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj b/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj
index f3b311ba709ae96d540d6b7d78df3f048a23ab4e..bfd437e871726ecfe207f9c0d37bac65713b1b35 100644
--- a/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj
@@ -181,12 +181,16 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\empty_batch.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\filter_causes_close.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\graceful_server_shutdown.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\high_initial_seqno.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\hpack_size.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\idempotent_request.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\invoke_large_request.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\large_metadata.c">
diff --git a/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj.filters b/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj.filters
index c30054a17ba9d2acfb3914abec3416dae01527c8..61c065f77ca721d09654378dee0fe8dc4ba87a58 100644
--- a/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj.filters
+++ b/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj.filters
@@ -46,6 +46,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\empty_batch.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\filter_causes_close.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\graceful_server_shutdown.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
@@ -55,6 +58,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\hpack_size.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\idempotent_request.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\invoke_large_request.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
diff --git a/vsprojects/vcxproj/test/codegen_test/codegen_test.vcxproj b/vsprojects/vcxproj/test/golden_file_test/golden_file_test.vcxproj
similarity index 83%
rename from vsprojects/vcxproj/test/codegen_test/codegen_test.vcxproj
rename to vsprojects/vcxproj/test/golden_file_test/golden_file_test.vcxproj
index 7ba2a56133067eb808a6776747f9f9b95589d308..e9802773d8db4bf205c4b2390ccfda0142595288 100644
--- a/vsprojects/vcxproj/test/codegen_test/codegen_test.vcxproj
+++ b/vsprojects/vcxproj/test/golden_file_test/golden_file_test.vcxproj
@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{07D92FF8-D0D1-CB1B-51D3-EBA0E5DEBDD7}</ProjectGuid>
+    <ProjectGuid>{0ECDE365-D634-4E15-099F-40A38E151C65}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -62,14 +62,14 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>codegen_test</TargetName>
+    <TargetName>golden_file_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>codegen_test</TargetName>
+    <TargetName>golden_file_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
@@ -160,60 +160,26 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\control.pb.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\compiler_test.pb.cc">
     </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\control.pb.h">
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\compiler_test.pb.h">
     </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\control.grpc.pb.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\compiler_test.grpc.pb.cc">
     </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\control.grpc.pb.h">
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\compiler_test.grpc.pb.h">
     </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\messages.pb.cc">
-    </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\messages.pb.h">
-    </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\messages.grpc.pb.cc">
-    </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\messages.grpc.pb.h">
-    </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\payloads.pb.cc">
-    </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\payloads.pb.h">
-    </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\payloads.grpc.pb.cc">
-    </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\payloads.grpc.pb.h">
-    </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.pb.cc">
-    </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.pb.h">
-    </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.grpc.pb.cc">
-    </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.grpc.pb.h">
-    </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\services.pb.cc">
-    </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\services.pb.h">
-    </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\services.grpc.pb.cc">
-    </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\services.grpc.pb.h">
-    </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.pb.cc">
-    </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.pb.h">
-    </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.grpc.pb.cc">
-    </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.grpc.pb.h">
-    </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\test\cpp\codegen\codegen_test.cc">
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\codegen\golden_file_test.cc">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++_codegen_lib\grpc++_codegen_lib.vcxproj">
-      <Project>{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}</Project>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++\grpc++.vcxproj">
+      <Project>{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/golden_file_test/golden_file_test.vcxproj.filters b/vsprojects/vcxproj/test/golden_file_test/golden_file_test.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..c329e4da5c5f94306ed81c886c84a309a64f9f6d
--- /dev/null
+++ b/vsprojects/vcxproj/test/golden_file_test/golden_file_test.vcxproj.filters
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\compiler_test.proto">
+      <Filter>src\proto\grpc\testing</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\codegen\golden_file_test.cc">
+      <Filter>test\cpp\codegen</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="src">
+      <UniqueIdentifier>{cd916cf8-bce0-7051-b6d4-e1cd0bf3894c}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\proto">
+      <UniqueIdentifier>{a2d414fe-b561-a38e-58a9-40d8bc68a107}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\proto\grpc">
+      <UniqueIdentifier>{edbc155a-ceb8-62b4-2b73-37228e5fa736}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\proto\grpc\testing">
+      <UniqueIdentifier>{761a3503-8934-4ee6-8bf1-77ba1385baa7}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test">
+      <UniqueIdentifier>{4f08cfc5-a59d-7cb4-9ef5-a603b2025936}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\cpp">
+      <UniqueIdentifier>{af281cac-e23b-109b-8e63-c7cff85c81f4}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\cpp\codegen">
+      <UniqueIdentifier>{e105f656-566f-3d70-fbe5-e03fee8e612d}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj b/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj
new file mode 100644
index 0000000000000000000000000000000000000000..fb10f95574c8bc9947e381ef84127abca0cecebf
--- /dev/null
+++ b/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj
@@ -0,0 +1,202 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{23DF0572-DBF1-08DA-8EAD-8508354C90A4}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>head_of_line_blocking_bad_client_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>head_of_line_blocking_bad_client_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\bad_client\tests\head_of_line_blocking.c">
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/bad_client\bad_client_test\bad_client_test.vcxproj">
+      <Project>{BA67B418-B699-E41A-9CC4-0279C49481A5}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
+      <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj.filters b/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..c3609f0de428a6a1743d64903a51cf72bc7e5a1a
--- /dev/null
+++ b/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj.filters
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\bad_client\tests\head_of_line_blocking.c">
+      <Filter>test\core\bad_client\tests</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{c7d7f2b5-9afd-5668-b11f-ceb3a3503569}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core">
+      <UniqueIdentifier>{3175d310-96bd-0c78-72e3-b5985873fa82}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\bad_client">
+      <UniqueIdentifier>{d7e592e2-acda-4572-59b7-20845fb05bd5}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\bad_client\tests">
+      <UniqueIdentifier>{1fa3207b-dc88-d316-7c13-9ac70ddc850e}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/httpcli_parser_test/httpcli_parser_test.vcxproj b/vsprojects/vcxproj/test/http_parser_test/http_parser_test.vcxproj
similarity index 98%
rename from vsprojects/vcxproj/test/httpcli_parser_test/httpcli_parser_test.vcxproj
rename to vsprojects/vcxproj/test/http_parser_test/http_parser_test.vcxproj
index 6f976309c599e3395b7d5d99815d83e7e14afe0b..bd5cf1212c5d75eac8a9ca9466c15d71278b4cae 100644
--- a/vsprojects/vcxproj/test/httpcli_parser_test/httpcli_parser_test.vcxproj
+++ b/vsprojects/vcxproj/test/http_parser_test/http_parser_test.vcxproj
@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{B6F60D1C-D4F3-0F1A-4A2F-9134629B7848}</ProjectGuid>
+    <ProjectGuid>{49D7E690-BDA1-5236-1ABF-3D81C1559DF7}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -60,14 +60,14 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>httpcli_parser_test</TargetName>
+    <TargetName>http_parser_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>httpcli_parser_test</TargetName>
+    <TargetName>http_parser_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\httpcli\parser_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\http\parser_test.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/httpcli_parser_test/httpcli_parser_test.vcxproj.filters b/vsprojects/vcxproj/test/http_parser_test/http_parser_test.vcxproj.filters
similarity index 51%
rename from vsprojects/vcxproj/test/httpcli_parser_test/httpcli_parser_test.vcxproj.filters
rename to vsprojects/vcxproj/test/http_parser_test/http_parser_test.vcxproj.filters
index 1cdc32fb850d0807be33d755416d4aaa3b5c66a4..4353c3b61ff88f0dd7553f91a1142e6f502cc839 100644
--- a/vsprojects/vcxproj/test/httpcli_parser_test/httpcli_parser_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/http_parser_test/http_parser_test.vcxproj.filters
@@ -1,20 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\httpcli\parser_test.c">
-      <Filter>test\core\httpcli</Filter>
+    <ClCompile Include="$(SolutionDir)\..\test\core\http\parser_test.c">
+      <Filter>test\core\http</Filter>
     </ClCompile>
   </ItemGroup>
 
   <ItemGroup>
     <Filter Include="test">
-      <UniqueIdentifier>{f3562e8b-3020-c79a-4e3b-c895f9e49f44}</UniqueIdentifier>
+      <UniqueIdentifier>{1d07f09d-a0ec-d684-3589-bff02afbe830}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core">
-      <UniqueIdentifier>{db527686-b5c7-68df-a106-bd919f60742a}</UniqueIdentifier>
+      <UniqueIdentifier>{eedab59d-9f19-9172-cf0e-83a839217afc}</UniqueIdentifier>
     </Filter>
-    <Filter Include="test\core\httpcli">
-      <UniqueIdentifier>{8e60d460-93de-c6e1-b67b-bfae71bd9bca}</UniqueIdentifier>
+    <Filter Include="test\core\http">
+      <UniqueIdentifier>{1fcac48f-3718-00ea-6c0c-aafa1a4de528}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj b/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj
index 97f14f6c8e44f594376240207c6744fbee9cce51..5515349b9b2ab06708774897ae0b0e6af8d3d79c 100644
--- a/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj
+++ b/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\httpcli\format_request_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\http\format_request_test.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj.filters b/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj.filters
index c54ded579bc45d08fa51171d8d531ce9dfb13950..6f941f4361db679420140675b5810eacdec70d4c 100644
--- a/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/httpcli_format_request_test/httpcli_format_request_test.vcxproj.filters
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\httpcli\format_request_test.c">
-      <Filter>test\core\httpcli</Filter>
+    <ClCompile Include="$(SolutionDir)\..\test\core\http\format_request_test.c">
+      <Filter>test\core\http</Filter>
     </ClCompile>
   </ItemGroup>
 
@@ -13,8 +13,8 @@
     <Filter Include="test\core">
       <UniqueIdentifier>{f033cf49-b830-5698-3989-6ec75817333b}</UniqueIdentifier>
     </Filter>
-    <Filter Include="test\core\httpcli">
-      <UniqueIdentifier>{75330e6a-521e-5f90-defd-652a4591dbe9}</UniqueIdentifier>
+    <Filter Include="test\core\http">
+      <UniqueIdentifier>{51615bc9-b61d-8d7d-9abb-5409276c04ec}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/internal_api_canary_iomgr_test/internal_api_canary_iomgr_test.vcxproj b/vsprojects/vcxproj/test/internal_api_canary_iomgr_test/internal_api_canary_iomgr_test.vcxproj
new file mode 100644
index 0000000000000000000000000000000000000000..11d89a01c15d7dc7817bee49bc3d1db44a7f98d9
--- /dev/null
+++ b/vsprojects/vcxproj/test/internal_api_canary_iomgr_test/internal_api_canary_iomgr_test.vcxproj
@@ -0,0 +1,199 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{28AE726B-1BFB-202B-48D2-41AF9D09B9EA}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>internal_api_canary_iomgr_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>internal_api_canary_iomgr_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\internal_api_canaries\iomgr.c">
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
+      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
+      <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/internal_api_canary_iomgr_test/internal_api_canary_iomgr_test.vcxproj.filters b/vsprojects/vcxproj/test/internal_api_canary_iomgr_test/internal_api_canary_iomgr_test.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..f1ee82d1f4c80bb08d8f68ac7a2b86a14463bd20
--- /dev/null
+++ b/vsprojects/vcxproj/test/internal_api_canary_iomgr_test/internal_api_canary_iomgr_test.vcxproj.filters
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\internal_api_canaries\iomgr.c">
+      <Filter>test\core\internal_api_canaries</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{881986d1-d1fe-b377-cf26-b3377af95009}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core">
+      <UniqueIdentifier>{4f9a544e-5680-18ee-30d7-38179bf82cee}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\internal_api_canaries">
+      <UniqueIdentifier>{6ab29f78-ec9d-d63a-8e8f-0d7552b3edd4}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/internal_api_canary_support_test/internal_api_canary_support_test.vcxproj b/vsprojects/vcxproj/test/internal_api_canary_support_test/internal_api_canary_support_test.vcxproj
new file mode 100644
index 0000000000000000000000000000000000000000..59092dc2b3c9e902c489a884ac0d0e44177cee64
--- /dev/null
+++ b/vsprojects/vcxproj/test/internal_api_canary_support_test/internal_api_canary_support_test.vcxproj
@@ -0,0 +1,199 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{D53575C6-713C-E6E3-FD74-E65F20916498}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>internal_api_canary_support_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>internal_api_canary_support_test</TargetName>
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diff --git a/vsprojects/vcxproj/test/internal_api_canary_support_test/internal_api_canary_support_test.vcxproj.filters b/vsprojects/vcxproj/test/internal_api_canary_support_test/internal_api_canary_support_test.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..f7f4e3200ed25fa847db1a6d640efb30cedd2b4e
--- /dev/null
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@@ -0,0 +1,21 @@
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diff --git a/vsprojects/vcxproj/test/internal_api_canary_transport_test/internal_api_canary_transport_test.vcxproj b/vsprojects/vcxproj/test/internal_api_canary_transport_test/internal_api_canary_transport_test.vcxproj
new file mode 100644
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--- /dev/null
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+    <ConfigurationType>Application</ConfigurationType>
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diff --git a/vsprojects/vcxproj/test/internal_api_canary_transport_test/internal_api_canary_transport_test.vcxproj.filters b/vsprojects/vcxproj/test/internal_api_canary_transport_test/internal_api_canary_transport_test.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..1e0b4c5557e4b4c67929eeeb3b3d09c8bdcfab93
--- /dev/null
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diff --git a/vsprojects/vcxproj/test/json_run_localhost/json_run_localhost.vcxproj b/vsprojects/vcxproj/test/json_run_localhost/json_run_localhost.vcxproj
new file mode 100644
index 0000000000000000000000000000000000000000..34507b656ea127f9cce15a8c7058e1cfd93087db
--- /dev/null
+++ b/vsprojects/vcxproj/test/json_run_localhost/json_run_localhost.vcxproj
@@ -0,0 +1,210 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{91678827-DAEF-2E2F-9CD1-1F5E5DD54842}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\cpptest.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\protobuf.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>json_run_localhost</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>json_run_localhost</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
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+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
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+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\json_run_localhost.cc">
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++_test_util\grpc++_test_util.vcxproj">
+      <Project>{0BE77741-552A-929B-A497-4EF7ECE17A64}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
+      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++\grpc++.vcxproj">
+      <Project>{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
+      <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++_test_config\grpc++_test_config.vcxproj">
+      <Project>{3F7D093D-11F9-C4BC-BEB7-18EB28E3F290}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/json_run_localhost/json_run_localhost.vcxproj.filters b/vsprojects/vcxproj/test/json_run_localhost/json_run_localhost.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..84c5d1e377d7748fed302bf95b0e5974f5094ff6
--- /dev/null
+++ b/vsprojects/vcxproj/test/json_run_localhost/json_run_localhost.vcxproj.filters
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\json_run_localhost.cc">
+      <Filter>test\cpp\qps</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{6a0e8372-94ed-67cd-edda-56ba97debf76}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\cpp">
+      <UniqueIdentifier>{2a065f28-e35d-1a75-6e12-fd86e7b99443}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\cpp\qps">
+      <UniqueIdentifier>{6eec400a-a3a2-2904-8b49-92aeb69c4448}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/qps_json_driver/qps_json_driver.vcxproj b/vsprojects/vcxproj/test/qps_json_driver/qps_json_driver.vcxproj
new file mode 100644
index 0000000000000000000000000000000000000000..3884c102365bb74fae754a4cc174e5286f03b68c
--- /dev/null
+++ b/vsprojects/vcxproj/test/qps_json_driver/qps_json_driver.vcxproj
@@ -0,0 +1,218 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{79B45023-E5EB-4DF4-BBED-525CC0ACD832}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\cpptest.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\protobuf.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>qps_json_driver</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>qps_json_driver</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
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+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
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+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
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+      <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++_test_config\grpc++_test_config.vcxproj">
+      <Project>{3F7D093D-11F9-C4BC-BEB7-18EB28E3F290}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/qps_json_driver/qps_json_driver.vcxproj.filters b/vsprojects/vcxproj/test/qps_json_driver/qps_json_driver.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..cde967fc27c42cf937583ce97da3621f231fec58
--- /dev/null
+++ b/vsprojects/vcxproj/test/qps_json_driver/qps_json_driver.vcxproj.filters
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\parse_json.cc">
+      <Filter>test\cpp\qps</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\qps_json_driver.cc">
+      <Filter>test\cpp\qps</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\parse_json.h">
+      <Filter>test\cpp\qps</Filter>
+    </ClInclude>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{51cad99a-2bf1-0e37-a1be-0c9ad02355d3}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\cpp">
+      <UniqueIdentifier>{f8692949-7450-0a31-11fc-a17ea63b6357}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\cpp\qps">
+      <UniqueIdentifier>{73b4c157-7352-ba56-4790-66e27fa90451}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj b/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj
new file mode 100644
index 0000000000000000000000000000000000000000..0ed96fcf8f32a349b4c0a4e2fd5eedabc914a276
--- /dev/null
+++ b/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj
@@ -0,0 +1,217 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{89ACCD5A-8411-634E-BF28-7115F46A807D}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\cpptest.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\protobuf.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>qps_worker</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>qps_worker</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
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+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
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+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+  <ItemGroup>
+    <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\client.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\server.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\worker.cc">
+    </ClCompile>
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+  <ItemGroup>
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+    </ProjectReference>
+  </ItemGroup>
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+  <ImportGroup Label="ExtensionTargets">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
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+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj.filters b/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..a1f239082717e456e846d344e56c1f254912cd0d
--- /dev/null
+++ b/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj.filters
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\worker.cc">
+      <Filter>test\cpp\qps</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\client.h">
+      <Filter>test\cpp\qps</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\cpp\qps\server.h">
+      <Filter>test\cpp\qps</Filter>
+    </ClInclude>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{bc4b8555-fcc7-4f70-96d9-581f535382e1}</UniqueIdentifier>
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+    <Filter Include="test\cpp">
+      <UniqueIdentifier>{79b85b26-c29a-b8a0-06a4-d4e44f2350aa}</UniqueIdentifier>
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+</Project>
+