diff --git a/BUILD b/BUILD
index edb450969bb6d7ae85145a3114e1600bfb177382..861b3d5e0943f894a77a89460b2c3ee6890e99a1 100644
--- a/BUILD
+++ b/BUILD
@@ -162,6 +162,12 @@ cc_library(
"src/core/channel/noop_filter.h",
"src/core/client_config/client_config.h",
"src/core/client_config/connector.h",
+ "src/core/client_config/lb_policies/load_balancer.pb.h",
+ "src/core/client_config/lb_policies/load_balancer_api.h",
+ "src/core/client_config/lb_policies/nanopb/pb.h",
+ "src/core/client_config/lb_policies/nanopb/pb_common.h",
+ "src/core/client_config/lb_policies/nanopb/pb_decode.h",
+ "src/core/client_config/lb_policies/nanopb/pb_encode.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",
@@ -298,6 +304,11 @@ cc_library(
"src/core/channel/noop_filter.c",
"src/core/client_config/client_config.c",
"src/core/client_config/connector.c",
+ "src/core/client_config/lb_policies/load_balancer.pb.c",
+ "src/core/client_config/lb_policies/load_balancer_api.c",
+ "src/core/client_config/lb_policies/nanopb/pb_common.c",
+ "src/core/client_config/lb_policies/nanopb/pb_decode.c",
+ "src/core/client_config/lb_policies/nanopb/pb_encode.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",
@@ -450,6 +461,12 @@ cc_library(
"src/core/channel/noop_filter.h",
"src/core/client_config/client_config.h",
"src/core/client_config/connector.h",
+ "src/core/client_config/lb_policies/load_balancer.pb.h",
+ "src/core/client_config/lb_policies/load_balancer_api.h",
+ "src/core/client_config/lb_policies/nanopb/pb.h",
+ "src/core/client_config/lb_policies/nanopb/pb_common.h",
+ "src/core/client_config/lb_policies/nanopb/pb_decode.h",
+ "src/core/client_config/lb_policies/nanopb/pb_encode.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",
@@ -566,6 +583,11 @@ cc_library(
"src/core/channel/noop_filter.c",
"src/core/client_config/client_config.c",
"src/core/client_config/connector.c",
+ "src/core/client_config/lb_policies/load_balancer.pb.c",
+ "src/core/client_config/lb_policies/load_balancer_api.c",
+ "src/core/client_config/lb_policies/nanopb/pb_common.c",
+ "src/core/client_config/lb_policies/nanopb/pb_decode.c",
+ "src/core/client_config/lb_policies/nanopb/pb_encode.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",
@@ -1094,6 +1116,11 @@ objc_library(
"src/core/channel/noop_filter.c",
"src/core/client_config/client_config.c",
"src/core/client_config/connector.c",
+ "src/core/client_config/lb_policies/load_balancer.pb.c",
+ "src/core/client_config/lb_policies/load_balancer_api.c",
+ "src/core/client_config/lb_policies/nanopb/pb_common.c",
+ "src/core/client_config/lb_policies/nanopb/pb_decode.c",
+ "src/core/client_config/lb_policies/nanopb/pb_encode.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",
@@ -1243,6 +1270,12 @@ objc_library(
"src/core/channel/noop_filter.h",
"src/core/client_config/client_config.h",
"src/core/client_config/connector.h",
+ "src/core/client_config/lb_policies/load_balancer.pb.h",
+ "src/core/client_config/lb_policies/load_balancer_api.h",
+ "src/core/client_config/lb_policies/nanopb/pb.h",
+ "src/core/client_config/lb_policies/nanopb/pb_common.h",
+ "src/core/client_config/lb_policies/nanopb/pb_decode.h",
+ "src/core/client_config/lb_policies/nanopb/pb_encode.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",
diff --git a/Makefile b/Makefile
index 819ac7a649407499032ba2aafd1232345be06bd1..262ab7e326f9a51632e203892037330e5f52c406 100644
--- a/Makefile
+++ b/Makefile
@@ -877,6 +877,7 @@ grpc_csharp_plugin: $(BINDIR)/$(CONFIG)/grpc_csharp_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
+grpclb_api_test: $(BINDIR)/$(CONFIG)/grpclb_api_test
interop_client: $(BINDIR)/$(CONFIG)/interop_client
interop_server: $(BINDIR)/$(CONFIG)/interop_server
interop_test: $(BINDIR)/$(CONFIG)/interop_test
@@ -1802,7 +1803,7 @@ buildtests: buildtests_c buildtests_cxx buildtests_zookeeper
buildtests_c: privatelibs_c $(BINDIR)/$(CONFIG)/alpn_test $(BINDIR)/$(CONFIG)/bin_encoder_test $(BINDIR)/$(CONFIG)/chttp2_status_conversion_test $(BINDIR)/$(CONFIG)/chttp2_stream_encoder_test $(BINDIR)/$(CONFIG)/chttp2_stream_map_test $(BINDIR)/$(CONFIG)/compression_test $(BINDIR)/$(CONFIG)/dualstack_socket_test $(BINDIR)/$(CONFIG)/endpoint_pair_test $(BINDIR)/$(CONFIG)/fd_conservation_posix_test $(BINDIR)/$(CONFIG)/fd_posix_test $(BINDIR)/$(CONFIG)/fling_client $(BINDIR)/$(CONFIG)/fling_server $(BINDIR)/$(CONFIG)/fling_stream_test $(BINDIR)/$(CONFIG)/fling_test $(BINDIR)/$(CONFIG)/gpr_cmdline_test $(BINDIR)/$(CONFIG)/gpr_cpu_test $(BINDIR)/$(CONFIG)/gpr_env_test $(BINDIR)/$(CONFIG)/gpr_file_test $(BINDIR)/$(CONFIG)/gpr_histogram_test $(BINDIR)/$(CONFIG)/gpr_host_port_test $(BINDIR)/$(CONFIG)/gpr_log_test $(BINDIR)/$(CONFIG)/gpr_slice_buffer_test $(BINDIR)/$(CONFIG)/gpr_slice_test $(BINDIR)/$(CONFIG)/gpr_stack_lockfree_test $(BINDIR)/$(CONFIG)/gpr_string_test $(BINDIR)/$(CONFIG)/gpr_sync_test $(BINDIR)/$(CONFIG)/gpr_thd_test $(BINDIR)/$(CONFIG)/gpr_time_test $(BINDIR)/$(CONFIG)/gpr_tls_test $(BINDIR)/$(CONFIG)/gpr_useful_test $(BINDIR)/$(CONFIG)/grpc_auth_context_test $(BINDIR)/$(CONFIG)/grpc_base64_test $(BINDIR)/$(CONFIG)/grpc_byte_buffer_reader_test $(BINDIR)/$(CONFIG)/grpc_channel_args_test $(BINDIR)/$(CONFIG)/grpc_channel_stack_test $(BINDIR)/$(CONFIG)/grpc_completion_queue_test $(BINDIR)/$(CONFIG)/grpc_credentials_test $(BINDIR)/$(CONFIG)/grpc_json_token_test $(BINDIR)/$(CONFIG)/grpc_jwt_verifier_test $(BINDIR)/$(CONFIG)/grpc_security_connector_test $(BINDIR)/$(CONFIG)/grpc_stream_op_test $(BINDIR)/$(CONFIG)/hpack_parser_test $(BINDIR)/$(CONFIG)/hpack_table_test $(BINDIR)/$(CONFIG)/httpcli_format_request_test $(BINDIR)/$(CONFIG)/httpcli_parser_test $(BINDIR)/$(CONFIG)/httpcli_test $(BINDIR)/$(CONFIG)/json_rewrite $(BINDIR)/$(CONFIG)/json_rewrite_test $(BINDIR)/$(CONFIG)/json_test $(BINDIR)/$(CONFIG)/lame_client_test $(BINDIR)/$(CONFIG)/lb_policies_test $(BINDIR)/$(CONFIG)/message_compress_test $(BINDIR)/$(CONFIG)/multi_init_test $(BINDIR)/$(CONFIG)/multiple_server_queues_test $(BINDIR)/$(CONFIG)/murmur_hash_test $(BINDIR)/$(CONFIG)/no_server_test $(BINDIR)/$(CONFIG)/resolve_address_test $(BINDIR)/$(CONFIG)/secure_endpoint_test $(BINDIR)/$(CONFIG)/sockaddr_utils_test $(BINDIR)/$(CONFIG)/tcp_client_posix_test $(BINDIR)/$(CONFIG)/tcp_posix_test $(BINDIR)/$(CONFIG)/tcp_server_posix_test $(BINDIR)/$(CONFIG)/time_averaged_stats_test $(BINDIR)/$(CONFIG)/timeout_encoding_test $(BINDIR)/$(CONFIG)/timer_heap_test $(BINDIR)/$(CONFIG)/timer_list_test $(BINDIR)/$(CONFIG)/timers_test $(BINDIR)/$(CONFIG)/transport_metadata_test $(BINDIR)/$(CONFIG)/transport_security_test $(BINDIR)/$(CONFIG)/udp_server_test $(BINDIR)/$(CONFIG)/uri_parser_test $(BINDIR)/$(CONFIG)/workqueue_test $(BINDIR)/$(CONFIG)/h2_compress_bad_hostname_test $(BINDIR)/$(CONFIG)/h2_compress_binary_metadata_test $(BINDIR)/$(CONFIG)/h2_compress_call_creds_test $(BINDIR)/$(CONFIG)/h2_compress_cancel_after_accept_test $(BINDIR)/$(CONFIG)/h2_compress_cancel_after_client_done_test $(BINDIR)/$(CONFIG)/h2_compress_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/h2_compress_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/h2_compress_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/h2_compress_census_simple_request_test $(BINDIR)/$(CONFIG)/h2_compress_channel_connectivity_test $(BINDIR)/$(CONFIG)/h2_compress_compressed_payload_test $(BINDIR)/$(CONFIG)/h2_compress_default_host_test $(BINDIR)/$(CONFIG)/h2_compress_disappearing_server_test $(BINDIR)/$(CONFIG)/h2_compress_empty_batch_test $(BINDIR)/$(CONFIG)/h2_compress_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/h2_compress_high_initial_seqno_test $(BINDIR)/$(CONFIG)/h2_compress_invoke_large_request_test $(BINDIR)/$(CONFIG)/h2_compress_large_metadata_test $(BINDIR)/$(CONFIG)/h2_compress_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/h2_compress_max_message_length_test $(BINDIR)/$(CONFIG)/h2_compress_metadata_test $(BINDIR)/$(CONFIG)/h2_compress_no_op_test $(BINDIR)/$(CONFIG)/h2_compress_payload_test $(BINDIR)/$(CONFIG)/h2_compress_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/h2_compress_registered_call_test $(BINDIR)/$(CONFIG)/h2_compress_request_with_flags_test $(BINDIR)/$(CONFIG)/h2_compress_request_with_payload_test $(BINDIR)/$(CONFIG)/h2_compress_server_finishes_request_test $(BINDIR)/$(CONFIG)/h2_compress_shutdown_finishes_calls_test $(BINDIR)/$(CONFIG)/h2_compress_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/h2_compress_simple_delayed_request_test $(BINDIR)/$(CONFIG)/h2_compress_simple_request_test $(BINDIR)/$(CONFIG)/h2_compress_trailing_metadata_test $(BINDIR)/$(CONFIG)/h2_fakesec_bad_hostname_test $(BINDIR)/$(CONFIG)/h2_fakesec_binary_metadata_test $(BINDIR)/$(CONFIG)/h2_fakesec_call_creds_test $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_after_accept_test $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_after_client_done_test $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/h2_fakesec_census_simple_request_test $(BINDIR)/$(CONFIG)/h2_fakesec_channel_connectivity_test $(BINDIR)/$(CONFIG)/h2_fakesec_compressed_payload_test $(BINDIR)/$(CONFIG)/h2_fakesec_default_host_test $(BINDIR)/$(CONFIG)/h2_fakesec_disappearing_server_test $(BINDIR)/$(CONFIG)/h2_fakesec_empty_batch_test $(BINDIR)/$(CONFIG)/h2_fakesec_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/h2_fakesec_high_initial_seqno_test $(BINDIR)/$(CONFIG)/h2_fakesec_invoke_large_request_test $(BINDIR)/$(CONFIG)/h2_fakesec_large_metadata_test $(BINDIR)/$(CONFIG)/h2_fakesec_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/h2_fakesec_max_message_length_test $(BINDIR)/$(CONFIG)/h2_fakesec_metadata_test $(BINDIR)/$(CONFIG)/h2_fakesec_no_op_test $(BINDIR)/$(CONFIG)/h2_fakesec_payload_test $(BINDIR)/$(CONFIG)/h2_fakesec_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/h2_fakesec_registered_call_test $(BINDIR)/$(CONFIG)/h2_fakesec_request_with_flags_test $(BINDIR)/$(CONFIG)/h2_fakesec_request_with_payload_test $(BINDIR)/$(CONFIG)/h2_fakesec_server_finishes_request_test $(BINDIR)/$(CONFIG)/h2_fakesec_shutdown_finishes_calls_test $(BINDIR)/$(CONFIG)/h2_fakesec_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/h2_fakesec_simple_delayed_request_test $(BINDIR)/$(CONFIG)/h2_fakesec_simple_request_test $(BINDIR)/$(CONFIG)/h2_fakesec_trailing_metadata_test $(BINDIR)/$(CONFIG)/h2_full_bad_hostname_test $(BINDIR)/$(CONFIG)/h2_full_binary_metadata_test $(BINDIR)/$(CONFIG)/h2_full_call_creds_test $(BINDIR)/$(CONFIG)/h2_full_cancel_after_accept_test $(BINDIR)/$(CONFIG)/h2_full_cancel_after_client_done_test $(BINDIR)/$(CONFIG)/h2_full_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/h2_full_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/h2_full_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/h2_full_census_simple_request_test $(BINDIR)/$(CONFIG)/h2_full_channel_connectivity_test $(BINDIR)/$(CONFIG)/h2_full_compressed_payload_test $(BINDIR)/$(CONFIG)/h2_full_default_host_test $(BINDIR)/$(CONFIG)/h2_full_disappearing_server_test $(BINDIR)/$(CONFIG)/h2_full_empty_batch_test $(BINDIR)/$(CONFIG)/h2_full_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/h2_full_high_initial_seqno_test $(BINDIR)/$(CONFIG)/h2_full_invoke_large_request_test $(BINDIR)/$(CONFIG)/h2_full_large_metadata_test $(BINDIR)/$(CONFIG)/h2_full_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/h2_full_max_message_length_test $(BINDIR)/$(CONFIG)/h2_full_metadata_test $(BINDIR)/$(CONFIG)/h2_full_no_op_test $(BINDIR)/$(CONFIG)/h2_full_payload_test $(BINDIR)/$(CONFIG)/h2_full_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/h2_full_registered_call_test $(BINDIR)/$(CONFIG)/h2_full_request_with_flags_test $(BINDIR)/$(CONFIG)/h2_full_request_with_payload_test $(BINDIR)/$(CONFIG)/h2_full_server_finishes_request_test $(BINDIR)/$(CONFIG)/h2_full_shutdown_finishes_calls_test $(BINDIR)/$(CONFIG)/h2_full_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/h2_full_simple_delayed_request_test $(BINDIR)/$(CONFIG)/h2_full_simple_request_test $(BINDIR)/$(CONFIG)/h2_full_trailing_metadata_test $(BINDIR)/$(CONFIG)/h2_full+poll_bad_hostname_test $(BINDIR)/$(CONFIG)/h2_full+poll_binary_metadata_test $(BINDIR)/$(CONFIG)/h2_full+poll_call_creds_test $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_after_accept_test $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_after_client_done_test $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/h2_full+poll_census_simple_request_test $(BINDIR)/$(CONFIG)/h2_full+poll_channel_connectivity_test $(BINDIR)/$(CONFIG)/h2_full+poll_compressed_payload_test $(BINDIR)/$(CONFIG)/h2_full+poll_default_host_test $(BINDIR)/$(CONFIG)/h2_full+poll_disappearing_server_test $(BINDIR)/$(CONFIG)/h2_full+poll_empty_batch_test $(BINDIR)/$(CONFIG)/h2_full+poll_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/h2_full+poll_high_initial_seqno_test $(BINDIR)/$(CONFIG)/h2_full+poll_invoke_large_request_test $(BINDIR)/$(CONFIG)/h2_full+poll_large_metadata_test $(BINDIR)/$(CONFIG)/h2_full+poll_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/h2_full+poll_max_message_length_test $(BINDIR)/$(CONFIG)/h2_full+poll_metadata_test $(BINDIR)/$(CONFIG)/h2_full+poll_no_op_test $(BINDIR)/$(CONFIG)/h2_full+poll_payload_test $(BINDIR)/$(CONFIG)/h2_full+poll_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/h2_full+poll_registered_call_test $(BINDIR)/$(CONFIG)/h2_full+poll_request_with_flags_test $(BINDIR)/$(CONFIG)/h2_full+poll_request_with_payload_test $(BINDIR)/$(CONFIG)/h2_full+poll_server_finishes_request_test $(BINDIR)/$(CONFIG)/h2_full+poll_shutdown_finishes_calls_test $(BINDIR)/$(CONFIG)/h2_full+poll_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/h2_full+poll_simple_delayed_request_test $(BINDIR)/$(CONFIG)/h2_full+poll_simple_request_test $(BINDIR)/$(CONFIG)/h2_full+poll_trailing_metadata_test $(BINDIR)/$(CONFIG)/h2_oauth2_bad_hostname_test $(BINDIR)/$(CONFIG)/h2_oauth2_binary_metadata_test $(BINDIR)/$(CONFIG)/h2_oauth2_call_creds_test $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_after_accept_test $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_after_client_done_test $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/h2_oauth2_census_simple_request_test $(BINDIR)/$(CONFIG)/h2_oauth2_channel_connectivity_test $(BINDIR)/$(CONFIG)/h2_oauth2_compressed_payload_test $(BINDIR)/$(CONFIG)/h2_oauth2_default_host_test $(BINDIR)/$(CONFIG)/h2_oauth2_disappearing_server_test $(BINDIR)/$(CONFIG)/h2_oauth2_empty_batch_test $(BINDIR)/$(CONFIG)/h2_oauth2_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/h2_oauth2_high_initial_seqno_test $(BINDIR)/$(CONFIG)/h2_oauth2_invoke_large_request_test $(BINDIR)/$(CONFIG)/h2_oauth2_large_metadata_test $(BINDIR)/$(CONFIG)/h2_oauth2_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/h2_oauth2_max_message_length_test $(BINDIR)/$(CONFIG)/h2_oauth2_metadata_test $(BINDIR)/$(CONFIG)/h2_oauth2_no_op_test $(BINDIR)/$(CONFIG)/h2_oauth2_payload_test $(BINDIR)/$(CONFIG)/h2_oauth2_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/h2_oauth2_registered_call_test $(BINDIR)/$(CONFIG)/h2_oauth2_request_with_flags_test $(BINDIR)/$(CONFIG)/h2_oauth2_request_with_payload_test $(BINDIR)/$(CONFIG)/h2_oauth2_server_finishes_request_test $(BINDIR)/$(CONFIG)/h2_oauth2_shutdown_finishes_calls_test $(BINDIR)/$(CONFIG)/h2_oauth2_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/h2_oauth2_simple_delayed_request_test $(BINDIR)/$(CONFIG)/h2_oauth2_simple_request_test $(BINDIR)/$(CONFIG)/h2_oauth2_trailing_metadata_test $(BINDIR)/$(CONFIG)/h2_proxy_bad_hostname_test $(BINDIR)/$(CONFIG)/h2_proxy_binary_metadata_test $(BINDIR)/$(CONFIG)/h2_proxy_call_creds_test $(BINDIR)/$(CONFIG)/h2_proxy_cancel_after_accept_test $(BINDIR)/$(CONFIG)/h2_proxy_cancel_after_client_done_test $(BINDIR)/$(CONFIG)/h2_proxy_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/h2_proxy_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/h2_proxy_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/h2_proxy_census_simple_request_test $(BINDIR)/$(CONFIG)/h2_proxy_default_host_test $(BINDIR)/$(CONFIG)/h2_proxy_disappearing_server_test $(BINDIR)/$(CONFIG)/h2_proxy_empty_batch_test $(BINDIR)/$(CONFIG)/h2_proxy_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/h2_proxy_high_initial_seqno_test $(BINDIR)/$(CONFIG)/h2_proxy_invoke_large_request_test $(BINDIR)/$(CONFIG)/h2_proxy_large_metadata_test $(BINDIR)/$(CONFIG)/h2_proxy_max_message_length_test $(BINDIR)/$(CONFIG)/h2_proxy_metadata_test $(BINDIR)/$(CONFIG)/h2_proxy_no_op_test $(BINDIR)/$(CONFIG)/h2_proxy_payload_test $(BINDIR)/$(CONFIG)/h2_proxy_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/h2_proxy_registered_call_test $(BINDIR)/$(CONFIG)/h2_proxy_request_with_payload_test $(BINDIR)/$(CONFIG)/h2_proxy_server_finishes_request_test $(BINDIR)/$(CONFIG)/h2_proxy_shutdown_finishes_calls_test $(BINDIR)/$(CONFIG)/h2_proxy_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/h2_proxy_simple_delayed_request_test $(BINDIR)/$(CONFIG)/h2_proxy_simple_request_test $(BINDIR)/$(CONFIG)/h2_proxy_trailing_metadata_test $(BINDIR)/$(CONFIG)/h2_sockpair_bad_hostname_test $(BINDIR)/$(CONFIG)/h2_sockpair_binary_metadata_test $(BINDIR)/$(CONFIG)/h2_sockpair_call_creds_test $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_after_accept_test $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_after_client_done_test $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/h2_sockpair_census_simple_request_test $(BINDIR)/$(CONFIG)/h2_sockpair_compressed_payload_test $(BINDIR)/$(CONFIG)/h2_sockpair_empty_batch_test $(BINDIR)/$(CONFIG)/h2_sockpair_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/h2_sockpair_high_initial_seqno_test $(BINDIR)/$(CONFIG)/h2_sockpair_invoke_large_request_test $(BINDIR)/$(CONFIG)/h2_sockpair_large_metadata_test $(BINDIR)/$(CONFIG)/h2_sockpair_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/h2_sockpair_max_message_length_test $(BINDIR)/$(CONFIG)/h2_sockpair_metadata_test $(BINDIR)/$(CONFIG)/h2_sockpair_no_op_test $(BINDIR)/$(CONFIG)/h2_sockpair_payload_test $(BINDIR)/$(CONFIG)/h2_sockpair_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/h2_sockpair_registered_call_test $(BINDIR)/$(CONFIG)/h2_sockpair_request_with_flags_test $(BINDIR)/$(CONFIG)/h2_sockpair_request_with_payload_test $(BINDIR)/$(CONFIG)/h2_sockpair_server_finishes_request_test $(BINDIR)/$(CONFIG)/h2_sockpair_shutdown_finishes_calls_test $(BINDIR)/$(CONFIG)/h2_sockpair_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/h2_sockpair_simple_request_test $(BINDIR)/$(CONFIG)/h2_sockpair_trailing_metadata_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_bad_hostname_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_binary_metadata_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_call_creds_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_after_accept_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_after_client_done_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_census_simple_request_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_compressed_payload_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_empty_batch_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_graceful_server_shutdown_test 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$(BINDIR)/$(CONFIG)/h2_full+poll_server_finishes_request_nosec_test $(BINDIR)/$(CONFIG)/h2_full+poll_shutdown_finishes_calls_nosec_test $(BINDIR)/$(CONFIG)/h2_full+poll_shutdown_finishes_tags_nosec_test $(BINDIR)/$(CONFIG)/h2_full+poll_simple_delayed_request_nosec_test $(BINDIR)/$(CONFIG)/h2_full+poll_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_full+poll_trailing_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_bad_hostname_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_binary_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_cancel_after_accept_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_cancel_after_client_done_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_cancel_after_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_cancel_before_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_cancel_in_a_vacuum_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_census_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_default_host_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_disappearing_server_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_empty_batch_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_graceful_server_shutdown_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_high_initial_seqno_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_invoke_large_request_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_large_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_max_message_length_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_no_op_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_ping_pong_streaming_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_registered_call_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_request_with_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_server_finishes_request_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_shutdown_finishes_calls_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_shutdown_finishes_tags_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_simple_delayed_request_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_proxy_trailing_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_bad_hostname_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_binary_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_after_accept_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_after_client_done_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_after_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_before_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_in_a_vacuum_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_census_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_compressed_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_empty_batch_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_graceful_server_shutdown_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_high_initial_seqno_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_invoke_large_request_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_large_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_max_concurrent_streams_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_max_message_length_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_no_op_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_ping_pong_streaming_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_registered_call_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_request_with_flags_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_request_with_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_server_finishes_request_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_shutdown_finishes_calls_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_shutdown_finishes_tags_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_trailing_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_bad_hostname_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_binary_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_after_accept_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_after_client_done_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_after_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_before_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_in_a_vacuum_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_census_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_compressed_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_empty_batch_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_graceful_server_shutdown_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_high_initial_seqno_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_invoke_large_request_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_large_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_max_concurrent_streams_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_max_message_length_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_no_op_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_ping_pong_streaming_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_registered_call_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_request_with_flags_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_request_with_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_server_finishes_request_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_shutdown_finishes_calls_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_shutdown_finishes_tags_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair+trace_trailing_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_bad_hostname_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_binary_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_after_accept_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_after_client_done_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_after_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_before_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_in_a_vacuum_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_census_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_compressed_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_empty_batch_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_graceful_server_shutdown_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_high_initial_seqno_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_invoke_large_request_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_large_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_max_concurrent_streams_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_max_message_length_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_no_op_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_ping_pong_streaming_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_registered_call_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_request_with_flags_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_request_with_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_server_finishes_request_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_shutdown_finishes_calls_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_shutdown_finishes_tags_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_trailing_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_bad_hostname_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_binary_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_after_accept_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_after_client_done_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_after_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_before_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_in_a_vacuum_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_census_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_channel_connectivity_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_compressed_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_default_host_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_disappearing_server_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_empty_batch_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_graceful_server_shutdown_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_high_initial_seqno_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_invoke_large_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_large_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_max_concurrent_streams_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_max_message_length_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_no_op_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_ping_pong_streaming_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_registered_call_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_request_with_flags_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_request_with_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_server_finishes_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_shutdown_finishes_calls_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_shutdown_finishes_tags_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_simple_delayed_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uchannel_trailing_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_bad_hostname_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_binary_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_cancel_after_accept_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_cancel_after_client_done_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_cancel_after_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_cancel_before_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_cancel_in_a_vacuum_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_census_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_channel_connectivity_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_compressed_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_disappearing_server_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_empty_batch_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_graceful_server_shutdown_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_high_initial_seqno_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_invoke_large_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_large_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_max_concurrent_streams_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_max_message_length_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_no_op_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_ping_pong_streaming_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_registered_call_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_request_with_flags_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_request_with_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_server_finishes_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_shutdown_finishes_calls_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_shutdown_finishes_tags_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_simple_delayed_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_trailing_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_bad_hostname_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_binary_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_after_accept_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_after_client_done_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_after_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_before_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_in_a_vacuum_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_census_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_channel_connectivity_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_compressed_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_disappearing_server_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_empty_batch_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_graceful_server_shutdown_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_high_initial_seqno_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_invoke_large_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_large_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_max_concurrent_streams_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_max_message_length_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_no_op_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_ping_pong_streaming_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_registered_call_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_request_with_flags_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_request_with_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_server_finishes_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_shutdown_finishes_calls_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_shutdown_finishes_tags_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_simple_delayed_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_trailing_metadata_nosec_test $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test $(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test
-buildtests_cxx: buildtests_zookeeper privatelibs_cxx $(BINDIR)/$(CONFIG)/async_end2end_test $(BINDIR)/$(CONFIG)/async_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/async_unary_ping_pong_test $(BINDIR)/$(CONFIG)/auth_property_iterator_test $(BINDIR)/$(CONFIG)/channel_arguments_test $(BINDIR)/$(CONFIG)/cli_call_test $(BINDIR)/$(CONFIG)/client_crash_test $(BINDIR)/$(CONFIG)/client_crash_test_server $(BINDIR)/$(CONFIG)/credentials_test $(BINDIR)/$(CONFIG)/cxx_byte_buffer_test $(BINDIR)/$(CONFIG)/cxx_slice_test $(BINDIR)/$(CONFIG)/cxx_string_ref_test $(BINDIR)/$(CONFIG)/cxx_time_test $(BINDIR)/$(CONFIG)/end2end_test $(BINDIR)/$(CONFIG)/generic_end2end_test $(BINDIR)/$(CONFIG)/grpc_cli $(BINDIR)/$(CONFIG)/interop_client $(BINDIR)/$(CONFIG)/interop_server $(BINDIR)/$(CONFIG)/interop_test $(BINDIR)/$(CONFIG)/mock_test $(BINDIR)/$(CONFIG)/qps_interarrival_test $(BINDIR)/$(CONFIG)/qps_openloop_test $(BINDIR)/$(CONFIG)/qps_test $(BINDIR)/$(CONFIG)/reconnect_interop_client $(BINDIR)/$(CONFIG)/reconnect_interop_server $(BINDIR)/$(CONFIG)/secure_auth_context_test $(BINDIR)/$(CONFIG)/server_crash_test $(BINDIR)/$(CONFIG)/server_crash_test_client $(BINDIR)/$(CONFIG)/shutdown_test $(BINDIR)/$(CONFIG)/status_test $(BINDIR)/$(CONFIG)/streaming_throughput_test $(BINDIR)/$(CONFIG)/stress_test $(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test $(BINDIR)/$(CONFIG)/thread_stress_test
+buildtests_cxx: buildtests_zookeeper privatelibs_cxx $(BINDIR)/$(CONFIG)/async_end2end_test $(BINDIR)/$(CONFIG)/async_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/async_unary_ping_pong_test $(BINDIR)/$(CONFIG)/auth_property_iterator_test $(BINDIR)/$(CONFIG)/channel_arguments_test $(BINDIR)/$(CONFIG)/cli_call_test $(BINDIR)/$(CONFIG)/client_crash_test $(BINDIR)/$(CONFIG)/client_crash_test_server $(BINDIR)/$(CONFIG)/credentials_test $(BINDIR)/$(CONFIG)/cxx_byte_buffer_test $(BINDIR)/$(CONFIG)/cxx_slice_test $(BINDIR)/$(CONFIG)/cxx_string_ref_test $(BINDIR)/$(CONFIG)/cxx_time_test $(BINDIR)/$(CONFIG)/end2end_test $(BINDIR)/$(CONFIG)/generic_end2end_test $(BINDIR)/$(CONFIG)/grpc_cli $(BINDIR)/$(CONFIG)/grpclb_api_test $(BINDIR)/$(CONFIG)/interop_client $(BINDIR)/$(CONFIG)/interop_server $(BINDIR)/$(CONFIG)/interop_test $(BINDIR)/$(CONFIG)/mock_test $(BINDIR)/$(CONFIG)/qps_interarrival_test $(BINDIR)/$(CONFIG)/qps_openloop_test $(BINDIR)/$(CONFIG)/qps_test $(BINDIR)/$(CONFIG)/reconnect_interop_client $(BINDIR)/$(CONFIG)/reconnect_interop_server $(BINDIR)/$(CONFIG)/secure_auth_context_test $(BINDIR)/$(CONFIG)/server_crash_test $(BINDIR)/$(CONFIG)/server_crash_test_client $(BINDIR)/$(CONFIG)/shutdown_test $(BINDIR)/$(CONFIG)/status_test $(BINDIR)/$(CONFIG)/streaming_throughput_test $(BINDIR)/$(CONFIG)/stress_test $(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test $(BINDIR)/$(CONFIG)/thread_stress_test
ifeq ($(HAS_ZOOKEEPER),true)
buildtests_zookeeper: privatelibs_zookeeper $(BINDIR)/$(CONFIG)/zookeeper_test
@@ -3542,6 +3543,8 @@ test_cxx: test_zookeeper buildtests_cxx
$(Q) $(BINDIR)/$(CONFIG)/end2end_test || ( echo test end2end_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 grpclb_api_test"
+ $(Q) $(BINDIR)/$(CONFIG)/grpclb_api_test || ( echo test grpclb_api_test failed ; exit 1 )
$(E) "[RUN] Testing interop_test"
$(Q) $(BINDIR)/$(CONFIG)/interop_test || ( echo test interop_test failed ; exit 1 )
$(E) "[RUN] Testing mock_test"
@@ -3692,6 +3695,21 @@ $(LIBDIR)/$(CONFIG)/pkgconfig/grpc++_unsecure.pc:
$(Q) mkdir -p $(@D)
$(Q) echo "$(GRPCXX_UNSECURE_PC_FILE)" | tr , '\n' >$@
+ifeq ($(NO_PROTOC),true)
+$(GENDIR)/src/core/client_config/lb_policies/protos/load_balancer.pb.cc: protoc_dep_error
+$(GENDIR)/src/core/client_config/lb_policies/protos/load_balancer.grpc.pb.cc: protoc_dep_error
+else
+$(GENDIR)/src/core/client_config/lb_policies/protos/load_balancer.pb.cc: src/core/client_config/lb_policies/protos/load_balancer.proto $(PROTOBUF_DEP) $(PROTOC_PLUGINS)
+ $(E) "[PROTOC] Generating protobuf CC file from $<"
+ $(Q) mkdir -p `dirname $@`
+ $(Q) $(PROTOC) --cpp_out=$(GENDIR) $<
+
+$(GENDIR)/src/core/client_config/lb_policies/protos/load_balancer.grpc.pb.cc: src/core/client_config/lb_policies/protos/load_balancer.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)/test/cpp/qps/perf_db.pb.cc: protoc_dep_error
$(GENDIR)/test/cpp/qps/perf_db.grpc.pb.cc: protoc_dep_error
@@ -4254,6 +4272,11 @@ LIBGRPC_SRC = \
src/core/channel/noop_filter.c \
src/core/client_config/client_config.c \
src/core/client_config/connector.c \
+ src/core/client_config/lb_policies/load_balancer.pb.c \
+ src/core/client_config/lb_policies/load_balancer_api.c \
+ src/core/client_config/lb_policies/nanopb/pb_common.c \
+ src/core/client_config/lb_policies/nanopb/pb_decode.c \
+ src/core/client_config/lb_policies/nanopb/pb_encode.c \
src/core/client_config/lb_policies/pick_first.c \
src/core/client_config/lb_policies/round_robin.c \
src/core/client_config/lb_policy.c \
@@ -4536,6 +4559,11 @@ LIBGRPC_UNSECURE_SRC = \
src/core/channel/noop_filter.c \
src/core/client_config/client_config.c \
src/core/client_config/connector.c \
+ src/core/client_config/lb_policies/load_balancer.pb.c \
+ src/core/client_config/lb_policies/load_balancer_api.c \
+ src/core/client_config/lb_policies/nanopb/pb_common.c \
+ src/core/client_config/lb_policies/nanopb/pb_decode.c \
+ src/core/client_config/lb_policies/nanopb/pb_encode.c \
src/core/client_config/lb_policies/pick_first.c \
src/core/client_config/lb_policies/round_robin.c \
src/core/client_config/lb_policy.c \
@@ -9853,6 +9881,49 @@ ifneq ($(NO_DEPS),true)
endif
+GRPCLB_API_TEST_SRC = \
+ $(GENDIR)/src/core/client_config/lb_policies/protos/load_balancer.pb.cc $(GENDIR)/src/core/client_config/lb_policies/protos/load_balancer.grpc.pb.cc \
+ test/cpp/grpclb/grpclb_api_test.cc \
+
+GRPCLB_API_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GRPCLB_API_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/grpclb_api_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)/$(CONFIG)/grpclb_api_test: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/grpclb_api_test: $(PROTOBUF_DEP) $(GRPCLB_API_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+ $(E) "[LD] Linking $@"
+ $(Q) mkdir -p `dirname $@`
+ $(Q) $(LDXX) $(LDFLAGS) $(GRPCLB_API_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)/grpclb_api_test
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/src/core/client_config/lb_policies/protos/load_balancer.o: $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/cpp/grpclb/grpclb_api_test.o: $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+deps_grpclb_api_test: $(GRPCLB_API_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(GRPCLB_API_TEST_OBJS:.o=.dep)
+endif
+endif
+$(OBJDIR)/$(CONFIG)/test/cpp/grpclb/grpclb_api_test.o: $(GENDIR)/src/core/client_config/lb_policies/protos/load_balancer.pb.cc $(GENDIR)/src/core/client_config/lb_policies/protos/load_balancer.grpc.pb.cc
+
+
ifeq ($(NO_SECURE),true)
# You can't build secure targets if you don't have OpenSSL.
diff --git a/binding.gyp b/binding.gyp
index 52e0ea6c394e89478927ed37465d8568f2acc4ba..7a3dd069f3dfc80ac4b5568453db6da835ca7054 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -185,6 +185,11 @@
'src/core/channel/noop_filter.c',
'src/core/client_config/client_config.c',
'src/core/client_config/connector.c',
+ 'src/core/client_config/lb_policies/load_balancer.pb.c',
+ 'src/core/client_config/lb_policies/load_balancer_api.c',
+ 'src/core/client_config/lb_policies/nanopb/pb_common.c',
+ 'src/core/client_config/lb_policies/nanopb/pb_decode.c',
+ 'src/core/client_config/lb_policies/nanopb/pb_encode.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',
diff --git a/build.yaml b/build.yaml
index f70ab3368d93e7c5ef825e4c0f8db73f6aac5fc4..04b5b2d8d20879a16202e0f981f4697a1ea65717 100644
--- a/build.yaml
+++ b/build.yaml
@@ -118,6 +118,12 @@ filegroups:
- src/core/channel/noop_filter.h
- src/core/client_config/client_config.h
- src/core/client_config/connector.h
+ - src/core/client_config/lb_policies/load_balancer.pb.h
+ - src/core/client_config/lb_policies/load_balancer_api.h
+ - src/core/client_config/lb_policies/nanopb/pb.h
+ - src/core/client_config/lb_policies/nanopb/pb_common.h
+ - src/core/client_config/lb_policies/nanopb/pb_decode.h
+ - src/core/client_config/lb_policies/nanopb/pb_encode.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
@@ -231,6 +237,11 @@ filegroups:
- src/core/channel/noop_filter.c
- src/core/client_config/client_config.c
- src/core/client_config/connector.c
+ - src/core/client_config/lb_policies/load_balancer.pb.c
+ - src/core/client_config/lb_policies/load_balancer_api.c
+ - src/core/client_config/lb_policies/nanopb/pb_common.c
+ - src/core/client_config/lb_policies/nanopb/pb_decode.c
+ - src/core/client_config/lb_policies/nanopb/pb_encode.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
@@ -1839,6 +1850,16 @@ targets:
secure: false
vs_config_type: Application
vs_project_guid: '{069E9D05-B78B-4751-9252-D21EBAE7DE8E}'
+- name: grpclb_api_test
+ build: test
+ language: c++
+ src:
+ - src/core/client_config/lb_policies/protos/load_balancer.proto
+ - test/cpp/grpclb/grpclb_api_test.cc
+ deps:
+ - grpc++
+ - grpc
+ - gpr
- name: interop_client
build: test
run: false
diff --git a/gRPC.podspec b/gRPC.podspec
index 2100fc86e7ced9e2f6e2271c98af978df8f0de74..2f75f4fddebb9afb6e922b1d37a793cc7ec425cc 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -166,6 +166,12 @@ Pod::Spec.new do |s|
'src/core/channel/noop_filter.h',
'src/core/client_config/client_config.h',
'src/core/client_config/connector.h',
+ 'src/core/client_config/lb_policies/load_balancer.pb.h',
+ 'src/core/client_config/lb_policies/load_balancer_api.h',
+ 'src/core/client_config/lb_policies/nanopb/pb.h',
+ 'src/core/client_config/lb_policies/nanopb/pb_common.h',
+ 'src/core/client_config/lb_policies/nanopb/pb_decode.h',
+ 'src/core/client_config/lb_policies/nanopb/pb_encode.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',
@@ -309,6 +315,11 @@ Pod::Spec.new do |s|
'src/core/channel/noop_filter.c',
'src/core/client_config/client_config.c',
'src/core/client_config/connector.c',
+ 'src/core/client_config/lb_policies/load_balancer.pb.c',
+ 'src/core/client_config/lb_policies/load_balancer_api.c',
+ 'src/core/client_config/lb_policies/nanopb/pb_common.c',
+ 'src/core/client_config/lb_policies/nanopb/pb_decode.c',
+ 'src/core/client_config/lb_policies/nanopb/pb_encode.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',
@@ -460,6 +471,12 @@ Pod::Spec.new do |s|
'src/core/channel/noop_filter.h',
'src/core/client_config/client_config.h',
'src/core/client_config/connector.h',
+ 'src/core/client_config/lb_policies/load_balancer.pb.h',
+ 'src/core/client_config/lb_policies/load_balancer_api.h',
+ 'src/core/client_config/lb_policies/nanopb/pb.h',
+ 'src/core/client_config/lb_policies/nanopb/pb_common.h',
+ 'src/core/client_config/lb_policies/nanopb/pb_decode.h',
+ 'src/core/client_config/lb_policies/nanopb/pb_encode.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',
diff --git a/src/core/client_config/lb_policies/load_balancer.pb.c b/src/core/client_config/lb_policies/load_balancer.pb.c
new file mode 100644
index 0000000000000000000000000000000000000000..4e9de07da37cd6eb0618fea28a19b104ad15c8c4
--- /dev/null
+++ b/src/core/client_config/lb_policies/load_balancer.pb.c
@@ -0,0 +1,87 @@
+/* Automatically generated nanopb constant definitions */
+/* Generated by nanopb-0.3.5-dev at Wed Oct 21 14:38:11 2015. */
+
+#include "load_balancer.pb.h"
+
+#if PB_PROTO_HEADER_VERSION != 30
+#error Regenerate this file with the current version of nanopb generator.
+#endif
+
+
+
+const pb_field_t grpc_lb_v0_Duration_fields[3] = {
+ PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, grpc_lb_v0_Duration, seconds, seconds, 0),
+ PB_FIELD( 2, INT32 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Duration, nanos, seconds, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_LoadBalanceRequest_fields[3] = {
+ PB_FIELD( 1, MESSAGE , OPTIONAL, STATIC , FIRST, grpc_lb_v0_LoadBalanceRequest, initial_request, initial_request, &grpc_lb_v0_InitialLoadBalanceRequest_fields),
+ PB_FIELD( 2, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_LoadBalanceRequest, client_stats, initial_request, &grpc_lb_v0_ClientStats_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_InitialLoadBalanceRequest_fields[2] = {
+ PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_InitialLoadBalanceRequest, name, name, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_ClientStats_fields[4] = {
+ PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, grpc_lb_v0_ClientStats, total_requests, total_requests, 0),
+ PB_FIELD( 2, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ClientStats, client_rpc_errors, total_requests, 0),
+ PB_FIELD( 3, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ClientStats, dropped_requests, client_rpc_errors, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_LoadBalanceResponse_fields[3] = {
+ PB_FIELD( 1, MESSAGE , OPTIONAL, STATIC , FIRST, grpc_lb_v0_LoadBalanceResponse, initial_response, initial_response, &grpc_lb_v0_InitialLoadBalanceResponse_fields),
+ PB_FIELD( 2, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_LoadBalanceResponse, server_list, initial_response, &grpc_lb_v0_ServerList_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_InitialLoadBalanceResponse_fields[4] = {
+ PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_InitialLoadBalanceResponse, client_config, client_config, 0),
+ PB_FIELD( 2, STRING , OPTIONAL, STATIC , OTHER, grpc_lb_v0_InitialLoadBalanceResponse, load_balancer_delegate, client_config, 0),
+ PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval, load_balancer_delegate, &grpc_lb_v0_Duration_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_ServerList_fields[3] = {
+ PB_FIELD( 1, MESSAGE , REPEATED, CALLBACK, FIRST, grpc_lb_v0_ServerList, servers, servers, &grpc_lb_v0_Server_fields),
+ PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ServerList, expiration_interval, servers, &grpc_lb_v0_Duration_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_Server_fields[5] = {
+ PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_Server, ip_address, ip_address, 0),
+ PB_FIELD( 2, INT32 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, port, ip_address, 0),
+ PB_FIELD( 3, BYTES , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, load_balance_token, port, 0),
+ PB_FIELD( 4, BOOL , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, drop_request, load_balance_token, 0),
+ PB_LAST_FIELD
+};
+
+
+/* Check that field information fits in pb_field_t */
+#if !defined(PB_FIELD_32BIT)
+/* If you get an error here, it means that you need to define PB_FIELD_32BIT
+ * compile-time option. You can do that in pb.h or on compiler command line.
+ *
+ * The reason you need to do this is that some of your messages contain tag
+ * numbers or field sizes that are larger than what can fit in 8 or 16 bit
+ * field descriptors.
+ */
+PB_STATIC_ASSERT((pb_membersize(grpc_lb_v0_LoadBalanceRequest, initial_request) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceRequest, client_stats) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, initial_response) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, server_list) < 65536 && pb_membersize(grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval) < 65536 && pb_membersize(grpc_lb_v0_ServerList, servers) < 65536 && pb_membersize(grpc_lb_v0_ServerList, expiration_interval) < 65536), YOU_MUST_DEFINE_PB_FIELD_32BIT_FOR_MESSAGES_grpc_lb_v0_Duration_grpc_lb_v0_LoadBalanceRequest_grpc_lb_v0_InitialLoadBalanceRequest_grpc_lb_v0_ClientStats_grpc_lb_v0_LoadBalanceResponse_grpc_lb_v0_InitialLoadBalanceResponse_grpc_lb_v0_ServerList_grpc_lb_v0_Server)
+#endif
+
+#if !defined(PB_FIELD_16BIT) && !defined(PB_FIELD_32BIT)
+/* If you get an error here, it means that you need to define PB_FIELD_16BIT
+ * compile-time option. You can do that in pb.h or on compiler command line.
+ *
+ * The reason you need to do this is that some of your messages contain tag
+ * numbers or field sizes that are larger than what can fit in the default
+ * 8 bit descriptors.
+ */
+PB_STATIC_ASSERT((pb_membersize(grpc_lb_v0_LoadBalanceRequest, initial_request) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceRequest, client_stats) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, initial_response) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, server_list) < 256 && pb_membersize(grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval) < 256 && pb_membersize(grpc_lb_v0_ServerList, servers) < 256 && pb_membersize(grpc_lb_v0_ServerList, expiration_interval) < 256), YOU_MUST_DEFINE_PB_FIELD_16BIT_FOR_MESSAGES_grpc_lb_v0_Duration_grpc_lb_v0_LoadBalanceRequest_grpc_lb_v0_InitialLoadBalanceRequest_grpc_lb_v0_ClientStats_grpc_lb_v0_LoadBalanceResponse_grpc_lb_v0_InitialLoadBalanceResponse_grpc_lb_v0_ServerList_grpc_lb_v0_Server)
+#endif
+
+
diff --git a/src/core/client_config/lb_policies/load_balancer.pb.h b/src/core/client_config/lb_policies/load_balancer.pb.h
new file mode 100644
index 0000000000000000000000000000000000000000..4a3116084844c7aff9393c81bf15a2250bf0232e
--- /dev/null
+++ b/src/core/client_config/lb_policies/load_balancer.pb.h
@@ -0,0 +1,153 @@
+/* Automatically generated nanopb header */
+/* Generated by nanopb-0.3.5-dev at Wed Oct 21 14:38:11 2015. */
+
+#ifndef PB_LOAD_BALANCER_PB_H_INCLUDED
+#define PB_LOAD_BALANCER_PB_H_INCLUDED
+
+#include "src/core/client_config/lb_policies/nanopb/pb.h"
+#define GRPC_GRPCLB_SERVICE_NAME_MAX_LENGTH 128
+
+#if PB_PROTO_HEADER_VERSION != 30
+#error Regenerate this file with the current version of nanopb generator.
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Struct definitions */
+typedef struct _grpc_lb_v0_ClientStats {
+ bool has_total_requests;
+ int64_t total_requests;
+ bool has_client_rpc_errors;
+ int64_t client_rpc_errors;
+ bool has_dropped_requests;
+ int64_t dropped_requests;
+} grpc_lb_v0_ClientStats;
+
+typedef struct _grpc_lb_v0_Duration {
+ bool has_seconds;
+ int64_t seconds;
+ bool has_nanos;
+ int32_t nanos;
+} grpc_lb_v0_Duration;
+
+typedef struct _grpc_lb_v0_InitialLoadBalanceRequest {
+ bool has_name;
+ char name[GRPC_GRPCLB_SERVICE_NAME_MAX_LENGTH];
+} grpc_lb_v0_InitialLoadBalanceRequest;
+
+typedef PB_BYTES_ARRAY_T(64) grpc_lb_v0_Server_load_balance_token_t;
+typedef struct _grpc_lb_v0_Server {
+ bool has_ip_address;
+ char ip_address[46];
+ bool has_port;
+ int32_t port;
+ bool has_load_balance_token;
+ grpc_lb_v0_Server_load_balance_token_t load_balance_token;
+ bool has_drop_request;
+ bool drop_request;
+} grpc_lb_v0_Server;
+
+typedef struct _grpc_lb_v0_InitialLoadBalanceResponse {
+ bool has_client_config;
+ char client_config[64];
+ bool has_load_balancer_delegate;
+ char load_balancer_delegate[64];
+ bool has_client_stats_report_interval;
+ grpc_lb_v0_Duration client_stats_report_interval;
+} grpc_lb_v0_InitialLoadBalanceResponse;
+
+typedef struct _grpc_lb_v0_LoadBalanceRequest {
+ bool has_initial_request;
+ grpc_lb_v0_InitialLoadBalanceRequest initial_request;
+ bool has_client_stats;
+ grpc_lb_v0_ClientStats client_stats;
+} grpc_lb_v0_LoadBalanceRequest;
+
+typedef struct _grpc_lb_v0_ServerList {
+ pb_callback_t servers;
+ bool has_expiration_interval;
+ grpc_lb_v0_Duration expiration_interval;
+} grpc_lb_v0_ServerList;
+
+typedef struct _grpc_lb_v0_LoadBalanceResponse {
+ bool has_initial_response;
+ grpc_lb_v0_InitialLoadBalanceResponse initial_response;
+ bool has_server_list;
+ grpc_lb_v0_ServerList server_list;
+} grpc_lb_v0_LoadBalanceResponse;
+
+/* Default values for struct fields */
+
+/* Initializer values for message structs */
+#define grpc_lb_v0_Duration_init_default {false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceRequest_init_default {false, grpc_lb_v0_InitialLoadBalanceRequest_init_default, false, grpc_lb_v0_ClientStats_init_default}
+#define grpc_lb_v0_InitialLoadBalanceRequest_init_default {false, ""}
+#define grpc_lb_v0_ClientStats_init_default {false, 0, false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceResponse_init_default {false, grpc_lb_v0_InitialLoadBalanceResponse_init_default, false, grpc_lb_v0_ServerList_init_default}
+#define grpc_lb_v0_InitialLoadBalanceResponse_init_default {false, "", false, "", false, grpc_lb_v0_Duration_init_default}
+#define grpc_lb_v0_ServerList_init_default {{{NULL}, NULL}, false, grpc_lb_v0_Duration_init_default}
+#define grpc_lb_v0_Server_init_default {false, "", false, 0, false, {0, {0}}, false, 0}
+#define grpc_lb_v0_Duration_init_zero {false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceRequest_init_zero {false, grpc_lb_v0_InitialLoadBalanceRequest_init_zero, false, grpc_lb_v0_ClientStats_init_zero}
+#define grpc_lb_v0_InitialLoadBalanceRequest_init_zero {false, ""}
+#define grpc_lb_v0_ClientStats_init_zero {false, 0, false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceResponse_init_zero {false, grpc_lb_v0_InitialLoadBalanceResponse_init_zero, false, grpc_lb_v0_ServerList_init_zero}
+#define grpc_lb_v0_InitialLoadBalanceResponse_init_zero {false, "", false, "", false, grpc_lb_v0_Duration_init_zero}
+#define grpc_lb_v0_ServerList_init_zero {{{NULL}, NULL}, false, grpc_lb_v0_Duration_init_zero}
+#define grpc_lb_v0_Server_init_zero {false, "", false, 0, false, {0, {0}}, false, 0}
+
+/* Field tags (for use in manual encoding/decoding) */
+#define grpc_lb_v0_ClientStats_total_requests_tag 1
+#define grpc_lb_v0_ClientStats_client_rpc_errors_tag 2
+#define grpc_lb_v0_ClientStats_dropped_requests_tag 3
+#define grpc_lb_v0_Duration_seconds_tag 1
+#define grpc_lb_v0_Duration_nanos_tag 2
+#define grpc_lb_v0_InitialLoadBalanceRequest_name_tag 1
+#define grpc_lb_v0_Server_ip_address_tag 1
+#define grpc_lb_v0_Server_port_tag 2
+#define grpc_lb_v0_Server_load_balance_token_tag 3
+#define grpc_lb_v0_Server_drop_request_tag 4
+#define grpc_lb_v0_InitialLoadBalanceResponse_client_config_tag 1
+#define grpc_lb_v0_InitialLoadBalanceResponse_load_balancer_delegate_tag 2
+#define grpc_lb_v0_InitialLoadBalanceResponse_client_stats_report_interval_tag 3
+#define grpc_lb_v0_LoadBalanceRequest_initial_request_tag 1
+#define grpc_lb_v0_LoadBalanceRequest_client_stats_tag 2
+#define grpc_lb_v0_ServerList_servers_tag 1
+#define grpc_lb_v0_ServerList_expiration_interval_tag 3
+#define grpc_lb_v0_LoadBalanceResponse_initial_response_tag 1
+#define grpc_lb_v0_LoadBalanceResponse_server_list_tag 2
+
+/* Struct field encoding specification for nanopb */
+extern const pb_field_t grpc_lb_v0_Duration_fields[3];
+extern const pb_field_t grpc_lb_v0_LoadBalanceRequest_fields[3];
+extern const pb_field_t grpc_lb_v0_InitialLoadBalanceRequest_fields[2];
+extern const pb_field_t grpc_lb_v0_ClientStats_fields[4];
+extern const pb_field_t grpc_lb_v0_LoadBalanceResponse_fields[3];
+extern const pb_field_t grpc_lb_v0_InitialLoadBalanceResponse_fields[4];
+extern const pb_field_t grpc_lb_v0_ServerList_fields[3];
+extern const pb_field_t grpc_lb_v0_Server_fields[5];
+
+/* Maximum encoded size of messages (where known) */
+#define grpc_lb_v0_Duration_size 22
+#define grpc_lb_v0_LoadBalanceRequest_size 169
+#define grpc_lb_v0_InitialLoadBalanceRequest_size 131
+#define grpc_lb_v0_ClientStats_size 33
+#define grpc_lb_v0_LoadBalanceResponse_size (165 + grpc_lb_v0_ServerList_size)
+#define grpc_lb_v0_InitialLoadBalanceResponse_size 156
+#define grpc_lb_v0_Server_size 127
+
+/* Message IDs (where set with "msgid" option) */
+#ifdef PB_MSGID
+
+#define LOAD_BALANCER_MESSAGES \
+
+
+#endif
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
diff --git a/src/core/client_config/lb_policies/load_balancer_api.c b/src/core/client_config/lb_policies/load_balancer_api.c
new file mode 100644
index 0000000000000000000000000000000000000000..2f6cebdfca32075f9291290a9ebd2062651a7619
--- /dev/null
+++ b/src/core/client_config/lb_policies/load_balancer_api.c
@@ -0,0 +1,164 @@
+/*
+ *
+ * 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/client_config/lb_policies/load_balancer_api.h"
+#include "src/core/client_config/lb_policies/nanopb/pb_decode.h"
+#include "src/core/client_config/lb_policies/nanopb/pb_encode.h"
+
+#include <grpc/support/alloc.h>
+
+
+typedef struct decode_serverlist_arg {
+ int first_pass;
+ int i;
+ size_t num_servers;
+ grpc_grpclb_server **servers;
+} decode_serverlist_arg;
+
+/* invoked once for every Server in ServerList */
+static bool decode_serverlist(pb_istream_t *stream, const pb_field_t *field,
+ void **arg) {
+ decode_serverlist_arg *dec_arg = *arg;
+ if (dec_arg->first_pass != 0) { /* first pass */
+ grpc_grpclb_server server;
+ if (!pb_decode(stream, grpc_lb_v0_Server_fields, &server)) {
+ return false;
+ }
+ dec_arg->num_servers++;
+ } else { /* second pass */
+ grpc_grpclb_server *server = gpr_malloc(sizeof(grpc_grpclb_server));
+ GPR_ASSERT(dec_arg->num_servers > 0);
+ if (dec_arg->i == 0) { /* first iteration of second pass */
+ dec_arg->servers =
+ gpr_malloc(sizeof(grpc_grpclb_server *) * dec_arg->num_servers);
+ }
+ if (!pb_decode(stream, grpc_lb_v0_Server_fields, server)) {
+ return false;
+ }
+ dec_arg->servers[dec_arg->i++] = server;
+ }
+
+ return true;
+}
+
+grpc_grpclb_request *grpc_grpclb_request_create(const char *lb_service_name) {
+ grpc_grpclb_request *req = gpr_malloc(sizeof(grpc_grpclb_request));
+
+ req->has_client_stats = 0; /* TODO(dgq): add support for stats once defined */
+ req->has_initial_request = 1;
+ req->initial_request.has_name = 1;
+ strncpy(req->initial_request.name, lb_service_name,
+ GRPC_GRPCLB_SERVICE_NAME_MAX_LENGTH);
+ return req;
+}
+
+gpr_slice grpc_grpclb_request_encode(const grpc_grpclb_request *request) {
+ size_t encoded_length;
+ pb_ostream_t sizestream;
+ pb_ostream_t outputstream;
+ gpr_slice slice;
+ memset(&sizestream, 0, sizeof(pb_ostream_t));
+ pb_encode(&sizestream, grpc_lb_v0_LoadBalanceRequest_fields, request);
+ encoded_length = sizestream.bytes_written;
+
+ slice = gpr_slice_malloc(encoded_length);
+ outputstream =
+ pb_ostream_from_buffer(GPR_SLICE_START_PTR(slice), encoded_length);
+ GPR_ASSERT(pb_encode(&outputstream, grpc_lb_v0_LoadBalanceRequest_fields,
+ request) != 0);
+ return slice;
+}
+
+void grpc_grpclb_request_destroy(grpc_grpclb_request *request) {
+ gpr_free(request);
+}
+
+grpc_grpclb_response *grpc_grpclb_response_parse(gpr_slice encoded_response) {
+ bool status;
+ pb_istream_t stream =
+ pb_istream_from_buffer(GPR_SLICE_START_PTR(encoded_response),
+ GPR_SLICE_LENGTH(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);
+ 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 =
+ pb_istream_from_buffer(GPR_SLICE_START_PTR(encoded_response),
+ GPR_SLICE_LENGTH(encoded_response));
+ pb_istream_t stream_at_start = stream;
+ grpc_grpclb_response *res = gpr_malloc(sizeof(grpc_grpclb_response));
+ memset(res, 0, sizeof(*res));
+ memset(&arg, 0, sizeof(decode_serverlist_arg));
+
+ res->server_list.servers.funcs.decode = decode_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);
+
+ 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);
+
+ sl->num_servers = arg.num_servers;
+ sl->servers = arg.servers;
+ if (res->server_list.has_expiration_interval) {
+ sl->expiration_interval = res->server_list.expiration_interval;
+ }
+ grpc_grpclb_response_destroy(res);
+ return sl;
+}
+
+void grpc_grpclb_destroy_serverlist(grpc_grpclb_serverlist *serverlist) {
+ size_t i;
+ for (i = 0; i < serverlist->num_servers; i++) {
+ gpr_free(serverlist->servers[i]);
+ }
+ gpr_free(serverlist->servers);
+ gpr_free(serverlist);
+}
+
+void grpc_grpclb_response_destroy(grpc_grpclb_response *response) {
+ gpr_free(response);
+}
diff --git a/src/core/client_config/lb_policies/load_balancer_api.h b/src/core/client_config/lb_policies/load_balancer_api.h
new file mode 100644
index 0000000000000000000000000000000000000000..d74e3959ba8edb098a374be0d61bc724e585dd94
--- /dev/null
+++ b/src/core/client_config/lb_policies/load_balancer_api.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_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H
+#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H
+
+#include <grpc/support/slice_buffer.h>
+
+#include "src/core/client_config/lb_policy_factory.h"
+#include "src/core/client_config/lb_policies/load_balancer.pb.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define GRPC_GRPCLB_SERVICE_NAME_MAX_LENGTH 128
+
+typedef grpc_lb_v0_LoadBalanceRequest grpc_grpclb_request;
+typedef grpc_lb_v0_LoadBalanceResponse grpc_grpclb_response;
+typedef grpc_lb_v0_Server grpc_grpclb_server;
+typedef grpc_lb_v0_Duration grpc_grpclb_duration;
+typedef struct grpc_grpclb_serverlist {
+ grpc_grpclb_server **servers;
+ size_t num_servers;
+ grpc_grpclb_duration expiration_interval;
+} grpc_grpclb_serverlist;
+
+/** Create a request for a gRPC LB service under \a lb_service_name */
+grpc_grpclb_request *grpc_grpclb_request_create(const char* lb_service_name);
+
+/** Protocol Buffers v3-encode \a request */
+gpr_slice grpc_grpclb_request_encode(const grpc_grpclb_request* request);
+
+/** Destroy \a request */
+void grpc_grpclb_request_destroy(grpc_grpclb_request *request);
+
+/** Parse (ie, decode) the bytes in \a encoded_response as a \a
+ * grpc_grpclb_response */
+grpc_grpclb_response *grpc_grpclb_response_parse(gpr_slice encoded_response);
+
+/** Destroy \a serverlist */
+void grpc_grpclb_destroy_serverlist(grpc_grpclb_serverlist *serverlist);
+
+/** Parse the list of servers from an encoded \a grpc_grpclb_response */
+grpc_grpclb_serverlist *grpc_grpclb_response_parse_serverlist(
+ gpr_slice encoded_response);
+
+/** Destroy \a response */
+void grpc_grpclb_response_destroy(grpc_grpclb_response *response);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H */
diff --git a/src/core/client_config/lb_policies/nanopb/pb.h b/src/core/client_config/lb_policies/nanopb/pb.h
new file mode 100644
index 0000000000000000000000000000000000000000..98613a06ac8273dfe7c784aa4e2c403f776e062e
--- /dev/null
+++ b/src/core/client_config/lb_policies/nanopb/pb.h
@@ -0,0 +1,547 @@
+/* Common parts of the nanopb library. Most of these are quite low-level
+ * stuff. For the high-level interface, see pb_encode.h and pb_decode.h.
+ */
+
+#ifndef PB_H_INCLUDED
+#define PB_H_INCLUDED
+
+/*****************************************************************
+ * Nanopb compilation time options. You can change these here by *
+ * uncommenting the lines, or on the compiler command line. *
+ *****************************************************************/
+
+/* Enable support for dynamically allocated fields */
+/* #define PB_ENABLE_MALLOC 1 */
+
+/* Define this if your CPU architecture is big endian, i.e. it
+ * stores the most-significant byte first. */
+/* #define __BIG_ENDIAN__ 1 */
+
+/* Define this if your CPU / compiler combination does not support
+ * unaligned memory access to packed structures. */
+/* #define PB_NO_PACKED_STRUCTS 1 */
+
+/* Increase the number of required fields that are tracked.
+ * A compiler warning will tell if you need this. */
+/* #define PB_MAX_REQUIRED_FIELDS 256 */
+
+/* Add support for tag numbers > 255 and fields larger than 255 bytes. */
+/* #define PB_FIELD_16BIT 1 */
+
+/* Add support for tag numbers > 65536 and fields larger than 65536 bytes. */
+/* #define PB_FIELD_32BIT 1 */
+
+/* Disable support for error messages in order to save some code space. */
+/* #define PB_NO_ERRMSG 1 */
+
+/* Disable support for custom streams (support only memory buffers). */
+/* #define PB_BUFFER_ONLY 1 */
+
+/* Switch back to the old-style callback function signature.
+ * This was the default until nanopb-0.2.1. */
+/* #define PB_OLD_CALLBACK_STYLE */
+
+
+/******************************************************************
+ * You usually don't need to change anything below this line. *
+ * Feel free to look around and use the defined macros, though. *
+ ******************************************************************/
+
+
+/* Version of the nanopb library. Just in case you want to check it in
+ * your own program. */
+#define NANOPB_VERSION nanopb-0.3.5-dev
+
+/* Include all the system headers needed by nanopb. You will need the
+ * definitions of the following:
+ * - strlen, memcpy, memset functions
+ * - [u]int8_t, [u]int16_t, [u]int32_t, [u]int64_t
+ * - size_t
+ * - bool
+ *
+ * If you don't have the standard header files, you can instead provide
+ * a custom header that defines or includes all this. In that case,
+ * define PB_SYSTEM_HEADER to the path of this file.
+ */
+#ifdef PB_SYSTEM_HEADER
+#include PB_SYSTEM_HEADER
+#else
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <string.h>
+
+#ifdef PB_ENABLE_MALLOC
+#include <stdlib.h>
+#endif
+#endif
+
+/* Macro for defining packed structures (compiler dependent).
+ * This just reduces memory requirements, but is not required.
+ */
+#if defined(PB_NO_PACKED_STRUCTS)
+ /* Disable struct packing */
+# define PB_PACKED_STRUCT_START
+# define PB_PACKED_STRUCT_END
+# define pb_packed
+#elif defined(__GNUC__) || defined(__clang__)
+ /* For GCC and clang */
+# define PB_PACKED_STRUCT_START
+# define PB_PACKED_STRUCT_END
+# define pb_packed __attribute__((packed))
+#elif defined(__ICCARM__) || defined(__CC_ARM)
+ /* For IAR ARM and Keil MDK-ARM compilers */
+# define PB_PACKED_STRUCT_START _Pragma("pack(push, 1)")
+# define PB_PACKED_STRUCT_END _Pragma("pack(pop)")
+# define pb_packed
+#elif defined(_MSC_VER) && (_MSC_VER >= 1500)
+ /* For Microsoft Visual C++ */
+# define PB_PACKED_STRUCT_START __pragma(pack(push, 1))
+# define PB_PACKED_STRUCT_END __pragma(pack(pop))
+# define pb_packed
+#else
+ /* Unknown compiler */
+# define PB_PACKED_STRUCT_START
+# define PB_PACKED_STRUCT_END
+# define pb_packed
+#endif
+
+/* Handly macro for suppressing unreferenced-parameter compiler warnings. */
+#ifndef PB_UNUSED
+#define PB_UNUSED(x) (void)(x)
+#endif
+
+/* Compile-time assertion, used for checking compatible compilation options.
+ * If this does not work properly on your compiler, use
+ * #define PB_NO_STATIC_ASSERT to disable it.
+ *
+ * But before doing that, check carefully the error message / place where it
+ * comes from to see if the error has a real cause. Unfortunately the error
+ * message is not always very clear to read, but you can see the reason better
+ * in the place where the PB_STATIC_ASSERT macro was called.
+ */
+#ifndef PB_NO_STATIC_ASSERT
+#ifndef PB_STATIC_ASSERT
+#define PB_STATIC_ASSERT(COND,MSG) typedef char PB_STATIC_ASSERT_MSG(MSG, __LINE__, __COUNTER__)[(COND)?1:-1];
+#define PB_STATIC_ASSERT_MSG(MSG, LINE, COUNTER) PB_STATIC_ASSERT_MSG_(MSG, LINE, COUNTER)
+#define PB_STATIC_ASSERT_MSG_(MSG, LINE, COUNTER) pb_static_assertion_##MSG##LINE##COUNTER
+#endif
+#else
+#define PB_STATIC_ASSERT(COND,MSG)
+#endif
+
+/* Number of required fields to keep track of. */
+#ifndef PB_MAX_REQUIRED_FIELDS
+#define PB_MAX_REQUIRED_FIELDS 64
+#endif
+
+#if PB_MAX_REQUIRED_FIELDS < 64
+#error You should not lower PB_MAX_REQUIRED_FIELDS from the default value (64).
+#endif
+
+/* List of possible field types. These are used in the autogenerated code.
+ * Least-significant 4 bits tell the scalar type
+ * Most-significant 4 bits specify repeated/required/packed etc.
+ */
+
+typedef uint8_t pb_type_t;
+
+/**** Field data types ****/
+
+/* Numeric types */
+#define PB_LTYPE_VARINT 0x00 /* int32, int64, enum, bool */
+#define PB_LTYPE_UVARINT 0x01 /* uint32, uint64 */
+#define PB_LTYPE_SVARINT 0x02 /* sint32, sint64 */
+#define PB_LTYPE_FIXED32 0x03 /* fixed32, sfixed32, float */
+#define PB_LTYPE_FIXED64 0x04 /* fixed64, sfixed64, double */
+
+/* Marker for last packable field type. */
+#define PB_LTYPE_LAST_PACKABLE 0x04
+
+/* Byte array with pre-allocated buffer.
+ * data_size is the length of the allocated PB_BYTES_ARRAY structure. */
+#define PB_LTYPE_BYTES 0x05
+
+/* String with pre-allocated buffer.
+ * data_size is the maximum length. */
+#define PB_LTYPE_STRING 0x06
+
+/* Submessage
+ * submsg_fields is pointer to field descriptions */
+#define PB_LTYPE_SUBMESSAGE 0x07
+
+/* Extension pseudo-field
+ * The field contains a pointer to pb_extension_t */
+#define PB_LTYPE_EXTENSION 0x08
+
+/* Number of declared LTYPES */
+#define PB_LTYPES_COUNT 9
+#define PB_LTYPE_MASK 0x0F
+
+/**** Field repetition rules ****/
+
+#define PB_HTYPE_REQUIRED 0x00
+#define PB_HTYPE_OPTIONAL 0x10
+#define PB_HTYPE_REPEATED 0x20
+#define PB_HTYPE_ONEOF 0x30
+#define PB_HTYPE_MASK 0x30
+
+/**** Field allocation types ****/
+
+#define PB_ATYPE_STATIC 0x00
+#define PB_ATYPE_POINTER 0x80
+#define PB_ATYPE_CALLBACK 0x40
+#define PB_ATYPE_MASK 0xC0
+
+#define PB_ATYPE(x) ((x) & PB_ATYPE_MASK)
+#define PB_HTYPE(x) ((x) & PB_HTYPE_MASK)
+#define PB_LTYPE(x) ((x) & PB_LTYPE_MASK)
+
+/* Data type used for storing sizes of struct fields
+ * and array counts.
+ */
+#if defined(PB_FIELD_32BIT)
+#define PB_SIZE_MAX ((uint32_t)-1)
+ typedef uint32_t pb_size_t;
+ typedef int32_t pb_ssize_t;
+#elif defined(PB_FIELD_16BIT)
+#define PB_SIZE_MAX ((uint16_t)-1)
+ typedef uint16_t pb_size_t;
+ typedef int16_t pb_ssize_t;
+#else
+#define PB_SIZE_MAX ((uint8_t)-1)
+ typedef uint8_t pb_size_t;
+ typedef int8_t pb_ssize_t;
+#endif
+
+/* This structure is used in auto-generated constants
+ * to specify struct fields.
+ * You can change field sizes if you need structures
+ * larger than 256 bytes or field tags larger than 256.
+ * The compiler should complain if your .proto has such
+ * structures. Fix that by defining PB_FIELD_16BIT or
+ * PB_FIELD_32BIT.
+ */
+PB_PACKED_STRUCT_START
+typedef struct pb_field_s pb_field_t;
+struct pb_field_s {
+ pb_size_t tag;
+ pb_type_t type;
+ pb_size_t data_offset; /* Offset of field data, relative to previous field. */
+ pb_ssize_t size_offset; /* Offset of array size or has-boolean, relative to data */
+ pb_size_t data_size; /* Data size in bytes for a single item */
+ pb_size_t array_size; /* Maximum number of entries in array */
+
+ /* Field definitions for submessage
+ * OR default value for all other non-array, non-callback types
+ * If null, then field will zeroed. */
+ const void *ptr;
+} pb_packed;
+PB_PACKED_STRUCT_END
+
+/* Make sure that the standard integer types are of the expected sizes.
+ * All kinds of things may break otherwise.. atleast all fixed* types.
+ *
+ * If you get errors here, it probably means that your stdint.h is not
+ * correct for your platform.
+ */
+PB_STATIC_ASSERT(sizeof(int8_t) == 1, INT8_T_WRONG_SIZE)
+PB_STATIC_ASSERT(sizeof(uint8_t) == 1, UINT8_T_WRONG_SIZE)
+PB_STATIC_ASSERT(sizeof(int16_t) == 2, INT16_T_WRONG_SIZE)
+PB_STATIC_ASSERT(sizeof(uint16_t) == 2, UINT16_T_WRONG_SIZE)
+PB_STATIC_ASSERT(sizeof(int32_t) == 4, INT32_T_WRONG_SIZE)
+PB_STATIC_ASSERT(sizeof(uint32_t) == 4, UINT32_T_WRONG_SIZE)
+PB_STATIC_ASSERT(sizeof(int64_t) == 8, INT64_T_WRONG_SIZE)
+PB_STATIC_ASSERT(sizeof(uint64_t) == 8, UINT64_T_WRONG_SIZE)
+
+/* This structure is used for 'bytes' arrays.
+ * It has the number of bytes in the beginning, and after that an array.
+ * Note that actual structs used will have a different length of bytes array.
+ */
+#define PB_BYTES_ARRAY_T(n) struct { pb_size_t size; uint8_t bytes[n]; }
+#define PB_BYTES_ARRAY_T_ALLOCSIZE(n) ((size_t)n + offsetof(pb_bytes_array_t, bytes))
+
+struct pb_bytes_array_s {
+ pb_size_t size;
+ uint8_t bytes[1];
+};
+typedef struct pb_bytes_array_s pb_bytes_array_t;
+
+/* This structure is used for giving the callback function.
+ * It is stored in the message structure and filled in by the method that
+ * calls pb_decode.
+ *
+ * The decoding callback will be given a limited-length stream
+ * If the wire type was string, the length is the length of the string.
+ * If the wire type was a varint/fixed32/fixed64, the length is the length
+ * of the actual value.
+ * The function may be called multiple times (especially for repeated types,
+ * but also otherwise if the message happens to contain the field multiple
+ * times.)
+ *
+ * The encoding callback will receive the actual output stream.
+ * It should write all the data in one call, including the field tag and
+ * wire type. It can write multiple fields.
+ *
+ * The callback can be null if you want to skip a field.
+ */
+typedef struct pb_istream_s pb_istream_t;
+typedef struct pb_ostream_s pb_ostream_t;
+typedef struct pb_callback_s pb_callback_t;
+struct pb_callback_s {
+#ifdef PB_OLD_CALLBACK_STYLE
+ /* Deprecated since nanopb-0.2.1 */
+ union {
+ bool (*decode)(pb_istream_t *stream, const pb_field_t *field, void *arg);
+ bool (*encode)(pb_ostream_t *stream, const pb_field_t *field, const void *arg);
+ } funcs;
+#else
+ /* New function signature, which allows modifying arg contents in callback. */
+ union {
+ bool (*decode)(pb_istream_t *stream, const pb_field_t *field, void **arg);
+ bool (*encode)(pb_ostream_t *stream, const pb_field_t *field, void * const *arg);
+ } funcs;
+#endif
+
+ /* Free arg for use by callback */
+ void *arg;
+};
+
+/* Wire types. Library user needs these only in encoder callbacks. */
+typedef enum {
+ PB_WT_VARINT = 0,
+ PB_WT_64BIT = 1,
+ PB_WT_STRING = 2,
+ PB_WT_32BIT = 5
+} pb_wire_type_t;
+
+/* Structure for defining the handling of unknown/extension fields.
+ * Usually the pb_extension_type_t structure is automatically generated,
+ * while the pb_extension_t structure is created by the user. However,
+ * if you want to catch all unknown fields, you can also create a custom
+ * pb_extension_type_t with your own callback.
+ */
+typedef struct pb_extension_type_s pb_extension_type_t;
+typedef struct pb_extension_s pb_extension_t;
+struct pb_extension_type_s {
+ /* Called for each unknown field in the message.
+ * If you handle the field, read off all of its data and return true.
+ * If you do not handle the field, do not read anything and return true.
+ * If you run into an error, return false.
+ * Set to NULL for default handler.
+ */
+ bool (*decode)(pb_istream_t *stream, pb_extension_t *extension,
+ uint32_t tag, pb_wire_type_t wire_type);
+
+ /* Called once after all regular fields have been encoded.
+ * If you have something to write, do so and return true.
+ * If you do not have anything to write, just return true.
+ * If you run into an error, return false.
+ * Set to NULL for default handler.
+ */
+ bool (*encode)(pb_ostream_t *stream, const pb_extension_t *extension);
+
+ /* Free field for use by the callback. */
+ const void *arg;
+};
+
+struct pb_extension_s {
+ /* Type describing the extension field. Usually you'll initialize
+ * this to a pointer to the automatically generated structure. */
+ const pb_extension_type_t *type;
+
+ /* Destination for the decoded data. This must match the datatype
+ * of the extension field. */
+ void *dest;
+
+ /* Pointer to the next extension handler, or NULL.
+ * If this extension does not match a field, the next handler is
+ * automatically called. */
+ pb_extension_t *next;
+
+ /* The decoder sets this to true if the extension was found.
+ * Ignored for encoding. */
+ bool found;
+};
+
+/* Memory allocation functions to use. You can define pb_realloc and
+ * pb_free to custom functions if you want. */
+#ifdef PB_ENABLE_MALLOC
+# ifndef pb_realloc
+# define pb_realloc(ptr, size) realloc(ptr, size)
+# endif
+# ifndef pb_free
+# define pb_free(ptr) free(ptr)
+# endif
+#endif
+
+/* This is used to inform about need to regenerate .pb.h/.pb.c files. */
+#define PB_PROTO_HEADER_VERSION 30
+
+/* These macros are used to declare pb_field_t's in the constant array. */
+/* Size of a structure member, in bytes. */
+#define pb_membersize(st, m) (sizeof ((st*)0)->m)
+/* Number of entries in an array. */
+#define pb_arraysize(st, m) (pb_membersize(st, m) / pb_membersize(st, m[0]))
+/* Delta from start of one member to the start of another member. */
+#define pb_delta(st, m1, m2) ((int)offsetof(st, m1) - (int)offsetof(st, m2))
+/* Marks the end of the field list */
+#define PB_LAST_FIELD {0,(pb_type_t) 0,0,0,0,0,0}
+
+/* Macros for filling in the data_offset field */
+/* data_offset for first field in a message */
+#define PB_DATAOFFSET_FIRST(st, m1, m2) (offsetof(st, m1))
+/* data_offset for subsequent fields */
+#define PB_DATAOFFSET_OTHER(st, m1, m2) (offsetof(st, m1) - offsetof(st, m2) - pb_membersize(st, m2))
+/* Choose first/other based on m1 == m2 (deprecated, remains for backwards compatibility) */
+#define PB_DATAOFFSET_CHOOSE(st, m1, m2) (int)(offsetof(st, m1) == offsetof(st, m2) \
+ ? PB_DATAOFFSET_FIRST(st, m1, m2) \
+ : PB_DATAOFFSET_OTHER(st, m1, m2))
+
+/* Required fields are the simplest. They just have delta (padding) from
+ * previous field end, and the size of the field. Pointer is used for
+ * submessages and default values.
+ */
+#define PB_REQUIRED_STATIC(tag, st, m, fd, ltype, ptr) \
+ {tag, PB_ATYPE_STATIC | PB_HTYPE_REQUIRED | ltype, \
+ fd, 0, pb_membersize(st, m), 0, ptr}
+
+/* Optional fields add the delta to the has_ variable. */
+#define PB_OPTIONAL_STATIC(tag, st, m, fd, ltype, ptr) \
+ {tag, PB_ATYPE_STATIC | PB_HTYPE_OPTIONAL | ltype, \
+ fd, \
+ pb_delta(st, has_ ## m, m), \
+ pb_membersize(st, m), 0, ptr}
+
+/* Repeated fields have a _count field and also the maximum number of entries. */
+#define PB_REPEATED_STATIC(tag, st, m, fd, ltype, ptr) \
+ {tag, PB_ATYPE_STATIC | PB_HTYPE_REPEATED | ltype, \
+ fd, \
+ pb_delta(st, m ## _count, m), \
+ pb_membersize(st, m[0]), \
+ pb_arraysize(st, m), ptr}
+
+/* Allocated fields carry the size of the actual data, not the pointer */
+#define PB_REQUIRED_POINTER(tag, st, m, fd, ltype, ptr) \
+ {tag, PB_ATYPE_POINTER | PB_HTYPE_REQUIRED | ltype, \
+ fd, 0, pb_membersize(st, m[0]), 0, ptr}
+
+/* Optional fields don't need a has_ variable, as information would be redundant */
+#define PB_OPTIONAL_POINTER(tag, st, m, fd, ltype, ptr) \
+ {tag, PB_ATYPE_POINTER | PB_HTYPE_OPTIONAL | ltype, \
+ fd, 0, pb_membersize(st, m[0]), 0, ptr}
+
+/* Repeated fields have a _count field and a pointer to array of pointers */
+#define PB_REPEATED_POINTER(tag, st, m, fd, ltype, ptr) \
+ {tag, PB_ATYPE_POINTER | PB_HTYPE_REPEATED | ltype, \
+ fd, pb_delta(st, m ## _count, m), \
+ pb_membersize(st, m[0]), 0, ptr}
+
+/* Callbacks are much like required fields except with special datatype. */
+#define PB_REQUIRED_CALLBACK(tag, st, m, fd, ltype, ptr) \
+ {tag, PB_ATYPE_CALLBACK | PB_HTYPE_REQUIRED | ltype, \
+ fd, 0, pb_membersize(st, m), 0, ptr}
+
+#define PB_OPTIONAL_CALLBACK(tag, st, m, fd, ltype, ptr) \
+ {tag, PB_ATYPE_CALLBACK | PB_HTYPE_OPTIONAL | ltype, \
+ fd, 0, pb_membersize(st, m), 0, ptr}
+
+#define PB_REPEATED_CALLBACK(tag, st, m, fd, ltype, ptr) \
+ {tag, PB_ATYPE_CALLBACK | PB_HTYPE_REPEATED | ltype, \
+ fd, 0, pb_membersize(st, m), 0, ptr}
+
+/* Optional extensions don't have the has_ field, as that would be redundant. */
+#define PB_OPTEXT_STATIC(tag, st, m, fd, ltype, ptr) \
+ {tag, PB_ATYPE_STATIC | PB_HTYPE_OPTIONAL | ltype, \
+ 0, \
+ 0, \
+ pb_membersize(st, m), 0, ptr}
+
+#define PB_OPTEXT_POINTER(tag, st, m, fd, ltype, ptr) \
+ PB_OPTIONAL_POINTER(tag, st, m, fd, ltype, ptr)
+
+#define PB_OPTEXT_CALLBACK(tag, st, m, fd, ltype, ptr) \
+ PB_OPTIONAL_CALLBACK(tag, st, m, fd, ltype, ptr)
+
+/* The mapping from protobuf types to LTYPEs is done using these macros. */
+#define PB_LTYPE_MAP_BOOL PB_LTYPE_VARINT
+#define PB_LTYPE_MAP_BYTES PB_LTYPE_BYTES
+#define PB_LTYPE_MAP_DOUBLE PB_LTYPE_FIXED64
+#define PB_LTYPE_MAP_ENUM PB_LTYPE_VARINT
+#define PB_LTYPE_MAP_UENUM PB_LTYPE_UVARINT
+#define PB_LTYPE_MAP_FIXED32 PB_LTYPE_FIXED32
+#define PB_LTYPE_MAP_FIXED64 PB_LTYPE_FIXED64
+#define PB_LTYPE_MAP_FLOAT PB_LTYPE_FIXED32
+#define PB_LTYPE_MAP_INT32 PB_LTYPE_VARINT
+#define PB_LTYPE_MAP_INT64 PB_LTYPE_VARINT
+#define PB_LTYPE_MAP_MESSAGE PB_LTYPE_SUBMESSAGE
+#define PB_LTYPE_MAP_SFIXED32 PB_LTYPE_FIXED32
+#define PB_LTYPE_MAP_SFIXED64 PB_LTYPE_FIXED64
+#define PB_LTYPE_MAP_SINT32 PB_LTYPE_SVARINT
+#define PB_LTYPE_MAP_SINT64 PB_LTYPE_SVARINT
+#define PB_LTYPE_MAP_STRING PB_LTYPE_STRING
+#define PB_LTYPE_MAP_UINT32 PB_LTYPE_UVARINT
+#define PB_LTYPE_MAP_UINT64 PB_LTYPE_UVARINT
+#define PB_LTYPE_MAP_EXTENSION PB_LTYPE_EXTENSION
+
+/* This is the actual macro used in field descriptions.
+ * It takes these arguments:
+ * - Field tag number
+ * - Field type: BOOL, BYTES, DOUBLE, ENUM, UENUM, FIXED32, FIXED64,
+ * FLOAT, INT32, INT64, MESSAGE, SFIXED32, SFIXED64
+ * SINT32, SINT64, STRING, UINT32, UINT64 or EXTENSION
+ * - Field rules: REQUIRED, OPTIONAL or REPEATED
+ * - Allocation: STATIC or CALLBACK
+ * - Placement: FIRST or OTHER, depending on if this is the first field in structure.
+ * - Message name
+ * - Field name
+ * - Previous field name (or field name again for first field)
+ * - Pointer to default value or submsg fields.
+ */
+
+#define PB_FIELD(tag, type, rules, allocation, placement, message, field, prevfield, ptr) \
+ PB_ ## rules ## _ ## allocation(tag, message, field, \
+ PB_DATAOFFSET_ ## placement(message, field, prevfield), \
+ PB_LTYPE_MAP_ ## type, ptr)
+
+/* Field description for oneof fields. This requires taking into account the
+ * union name also, that's why a separate set of macros is needed.
+ */
+#define PB_ONEOF_STATIC(u, tag, st, m, fd, ltype, ptr) \
+ {tag, PB_ATYPE_STATIC | PB_HTYPE_ONEOF | ltype, \
+ fd, pb_delta(st, which_ ## u, u.m), \
+ pb_membersize(st, u.m), 0, ptr}
+
+#define PB_ONEOF_POINTER(u, tag, st, m, fd, ltype, ptr) \
+ {tag, PB_ATYPE_POINTER | PB_HTYPE_ONEOF | ltype, \
+ fd, pb_delta(st, which_ ## u, u.m), \
+ pb_membersize(st, u.m[0]), 0, ptr}
+
+#define PB_ONEOF_FIELD(union_name, tag, type, rules, allocation, placement, message, field, prevfield, ptr) \
+ PB_ ## rules ## _ ## allocation(union_name, tag, message, field, \
+ PB_DATAOFFSET_ ## placement(message, union_name.field, prevfield), \
+ PB_LTYPE_MAP_ ## type, ptr)
+
+/* These macros are used for giving out error messages.
+ * They are mostly a debugging aid; the main error information
+ * is the true/false return value from functions.
+ * Some code space can be saved by disabling the error
+ * messages if not used.
+ *
+ * PB_SET_ERROR() sets the error message if none has been set yet.
+ * msg must be a constant string literal.
+ * PB_GET_ERROR() always returns a pointer to a string.
+ * PB_RETURN_ERROR() sets the error and returns false from current
+ * function.
+ */
+#ifdef PB_NO_ERRMSG
+#define PB_SET_ERROR(stream, msg) PB_UNUSED(stream)
+#define PB_GET_ERROR(stream) "(errmsg disabled)"
+#else
+#define PB_SET_ERROR(stream, msg) (stream->errmsg = (stream)->errmsg ? (stream)->errmsg : (msg))
+#define PB_GET_ERROR(stream) ((stream)->errmsg ? (stream)->errmsg : "(none)")
+#endif
+
+#define PB_RETURN_ERROR(stream, msg) return PB_SET_ERROR(stream, msg), false
+
+#endif
diff --git a/src/core/client_config/lb_policies/nanopb/pb_common.c b/src/core/client_config/lb_policies/nanopb/pb_common.c
new file mode 100644
index 0000000000000000000000000000000000000000..385c0193f8afcf89486464401b8e054d95218486
--- /dev/null
+++ b/src/core/client_config/lb_policies/nanopb/pb_common.c
@@ -0,0 +1,97 @@
+/* pb_common.c: Common support functions for pb_encode.c and pb_decode.c.
+ *
+ * 2014 Petteri Aimonen <jpa@kapsi.fi>
+ */
+
+#include "pb_common.h"
+
+bool pb_field_iter_begin(pb_field_iter_t *iter, const pb_field_t *fields, void *dest_struct)
+{
+ iter->start = fields;
+ iter->pos = fields;
+ iter->required_field_index = 0;
+ iter->dest_struct = dest_struct;
+ iter->pData = (char*)dest_struct + iter->pos->data_offset;
+ iter->pSize = (char*)iter->pData + iter->pos->size_offset;
+
+ return (iter->pos->tag != 0);
+}
+
+bool pb_field_iter_next(pb_field_iter_t *iter)
+{
+ const pb_field_t *prev_field = iter->pos;
+
+ if (prev_field->tag == 0)
+ {
+ /* Handle empty message types, where the first field is already the terminator.
+ * In other cases, the iter->pos never points to the terminator. */
+ return false;
+ }
+
+ iter->pos++;
+
+ if (iter->pos->tag == 0)
+ {
+ /* Wrapped back to beginning, reinitialize */
+ (void)pb_field_iter_begin(iter, iter->start, iter->dest_struct);
+ return false;
+ }
+ else
+ {
+ /* Increment the pointers based on previous field size */
+ size_t prev_size = prev_field->data_size;
+
+ if (PB_HTYPE(prev_field->type) == PB_HTYPE_ONEOF &&
+ PB_HTYPE(iter->pos->type) == PB_HTYPE_ONEOF)
+ {
+ /* Don't advance pointers inside unions */
+ prev_size = 0;
+ iter->pData = (char*)iter->pData - prev_field->data_offset;
+ }
+ else if (PB_ATYPE(prev_field->type) == PB_ATYPE_STATIC &&
+ PB_HTYPE(prev_field->type) == PB_HTYPE_REPEATED)
+ {
+ /* In static arrays, the data_size tells the size of a single entry and
+ * array_size is the number of entries */
+ prev_size *= prev_field->array_size;
+ }
+ else if (PB_ATYPE(prev_field->type) == PB_ATYPE_POINTER)
+ {
+ /* Pointer fields always have a constant size in the main structure.
+ * The data_size only applies to the dynamically allocated area. */
+ prev_size = sizeof(void*);
+ }
+
+ if (PB_HTYPE(prev_field->type) == PB_HTYPE_REQUIRED)
+ {
+ /* Count the required fields, in order to check their presence in the
+ * decoder. */
+ iter->required_field_index++;
+ }
+
+ iter->pData = (char*)iter->pData + prev_size + iter->pos->data_offset;
+ iter->pSize = (char*)iter->pData + iter->pos->size_offset;
+ return true;
+ }
+}
+
+bool pb_field_iter_find(pb_field_iter_t *iter, uint32_t tag)
+{
+ const pb_field_t *start = iter->pos;
+
+ do {
+ if (iter->pos->tag == tag &&
+ PB_LTYPE(iter->pos->type) != PB_LTYPE_EXTENSION)
+ {
+ /* Found the wanted field */
+ return true;
+ }
+
+ (void)pb_field_iter_next(iter);
+ } while (iter->pos != start);
+
+ /* Searched all the way back to start, and found nothing. */
+ return false;
+}
+
+
diff --git a/src/core/client_config/lb_policies/nanopb/pb_common.h b/src/core/client_config/lb_policies/nanopb/pb_common.h
new file mode 100644
index 0000000000000000000000000000000000000000..60b3d37491446fa18b4f8d2003cd6b287d41d6bd
--- /dev/null
+++ b/src/core/client_config/lb_policies/nanopb/pb_common.h
@@ -0,0 +1,42 @@
+/* pb_common.h: Common support functions for pb_encode.c and pb_decode.c.
+ * These functions are rarely needed by applications directly.
+ */
+
+#ifndef PB_COMMON_H_INCLUDED
+#define PB_COMMON_H_INCLUDED
+
+#include "pb.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Iterator for pb_field_t list */
+struct pb_field_iter_s {
+ const pb_field_t *start; /* Start of the pb_field_t array */
+ const pb_field_t *pos; /* Current position of the iterator */
+ unsigned required_field_index; /* Zero-based index that counts only the required fields */
+ void *dest_struct; /* Pointer to start of the structure */
+ void *pData; /* Pointer to current field value */
+ void *pSize; /* Pointer to count/has field */
+};
+typedef struct pb_field_iter_s pb_field_iter_t;
+
+/* Initialize the field iterator structure to beginning.
+ * Returns false if the message type is empty. */
+bool pb_field_iter_begin(pb_field_iter_t *iter, const pb_field_t *fields, void *dest_struct);
+
+/* Advance the iterator to the next field.
+ * Returns false when the iterator wraps back to the first field. */
+bool pb_field_iter_next(pb_field_iter_t *iter);
+
+/* Advance the iterator until it points at a field with the given tag.
+ * Returns false if no such field exists. */
+bool pb_field_iter_find(pb_field_iter_t *iter, uint32_t tag);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
+
diff --git a/src/core/client_config/lb_policies/nanopb/pb_decode.c b/src/core/client_config/lb_policies/nanopb/pb_decode.c
new file mode 100644
index 0000000000000000000000000000000000000000..5cdcbcfb10c97d20204f63318aea8af4e11c2f4f
--- /dev/null
+++ b/src/core/client_config/lb_policies/nanopb/pb_decode.c
@@ -0,0 +1,1319 @@
+/* pb_decode.c -- decode a protobuf using minimal resources
+ *
+ * 2011 Petteri Aimonen <jpa@kapsi.fi>
+ */
+
+/* Use the GCC warn_unused_result attribute to check that all return values
+ * are propagated correctly. On other compilers and gcc before 3.4.0 just
+ * ignore the annotation.
+ */
+#if !defined(__GNUC__) || ( __GNUC__ < 3) || (__GNUC__ == 3 && __GNUC_MINOR__ < 4)
+ #define checkreturn
+#else
+ #define checkreturn __attribute__((warn_unused_result))
+#endif
+
+#include "pb.h"
+#include "pb_decode.h"
+#include "pb_common.h"
+
+/**************************************
+ * Declarations internal to this file *
+ **************************************/
+
+typedef bool (*pb_decoder_t)(pb_istream_t *stream, const pb_field_t *field, void *dest) checkreturn;
+
+static bool checkreturn buf_read(pb_istream_t *stream, uint8_t *buf, size_t count);
+static bool checkreturn pb_decode_varint32(pb_istream_t *stream, uint32_t *dest);
+static bool checkreturn read_raw_value(pb_istream_t *stream, pb_wire_type_t wire_type, uint8_t *buf, size_t *size);
+static bool checkreturn decode_static_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *iter);
+static bool checkreturn decode_callback_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *iter);
+static bool checkreturn decode_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *iter);
+static void iter_from_extension(pb_field_iter_t *iter, pb_extension_t *extension);
+static bool checkreturn default_extension_decoder(pb_istream_t *stream, pb_extension_t *extension, uint32_t tag, pb_wire_type_t wire_type);
+static bool checkreturn decode_extension(pb_istream_t *stream, uint32_t tag, pb_wire_type_t wire_type, pb_field_iter_t *iter);
+static bool checkreturn find_extension_field(pb_field_iter_t *iter);
+static void pb_field_set_to_default(pb_field_iter_t *iter);
+static void pb_message_set_to_defaults(const pb_field_t fields[], void *dest_struct);
+static bool checkreturn pb_dec_varint(pb_istream_t *stream, const pb_field_t *field, void *dest);
+static bool checkreturn pb_dec_uvarint(pb_istream_t *stream, const pb_field_t *field, void *dest);
+static bool checkreturn pb_dec_svarint(pb_istream_t *stream, const pb_field_t *field, void *dest);
+static bool checkreturn pb_dec_fixed32(pb_istream_t *stream, const pb_field_t *field, void *dest);
+static bool checkreturn pb_dec_fixed64(pb_istream_t *stream, const pb_field_t *field, void *dest);
+static bool checkreturn pb_dec_bytes(pb_istream_t *stream, const pb_field_t *field, void *dest);
+static bool checkreturn pb_dec_string(pb_istream_t *stream, const pb_field_t *field, void *dest);
+static bool checkreturn pb_dec_submessage(pb_istream_t *stream, const pb_field_t *field, void *dest);
+static bool checkreturn pb_skip_varint(pb_istream_t *stream);
+static bool checkreturn pb_skip_string(pb_istream_t *stream);
+
+#ifdef PB_ENABLE_MALLOC
+static bool checkreturn allocate_field(pb_istream_t *stream, void *pData, size_t data_size, size_t array_size);
+static bool checkreturn pb_release_union_field(pb_istream_t *stream, pb_field_iter_t *iter);
+static void pb_release_single_field(const pb_field_iter_t *iter);
+#endif
+
+/* --- Function pointers to field decoders ---
+ * Order in the array must match pb_action_t LTYPE numbering.
+ */
+static const pb_decoder_t PB_DECODERS[PB_LTYPES_COUNT] = {
+ &pb_dec_varint,
+ &pb_dec_uvarint,
+ &pb_dec_svarint,
+ &pb_dec_fixed32,
+ &pb_dec_fixed64,
+
+ &pb_dec_bytes,
+ &pb_dec_string,
+ &pb_dec_submessage,
+ NULL /* extensions */
+};
+
+/*******************************
+ * pb_istream_t implementation *
+ *******************************/
+
+static bool checkreturn buf_read(pb_istream_t *stream, uint8_t *buf, size_t count)
+{
+ uint8_t *source = (uint8_t*)stream->state;
+ stream->state = source + count;
+
+ if (buf != NULL)
+ {
+ while (count--)
+ *buf++ = *source++;
+ }
+
+ return true;
+}
+
+bool checkreturn pb_read(pb_istream_t *stream, uint8_t *buf, size_t count)
+{
+#ifndef PB_BUFFER_ONLY
+ if (buf == NULL && stream->callback != buf_read)
+ {
+ /* Skip input bytes */
+ uint8_t tmp[16];
+ while (count > 16)
+ {
+ if (!pb_read(stream, tmp, 16))
+ return false;
+
+ count -= 16;
+ }
+
+ return pb_read(stream, tmp, count);
+ }
+#endif
+
+ if (stream->bytes_left < count)
+ PB_RETURN_ERROR(stream, "end-of-stream");
+
+#ifndef PB_BUFFER_ONLY
+ if (!stream->callback(stream, buf, count))
+ PB_RETURN_ERROR(stream, "io error");
+#else
+ if (!buf_read(stream, buf, count))
+ return false;
+#endif
+
+ stream->bytes_left -= count;
+ return true;
+}
+
+/* Read a single byte from input stream. buf may not be NULL.
+ * This is an optimization for the varint decoding. */
+static bool checkreturn pb_readbyte(pb_istream_t *stream, uint8_t *buf)
+{
+ if (stream->bytes_left == 0)
+ PB_RETURN_ERROR(stream, "end-of-stream");
+
+#ifndef PB_BUFFER_ONLY
+ if (!stream->callback(stream, buf, 1))
+ PB_RETURN_ERROR(stream, "io error");
+#else
+ *buf = *(uint8_t*)stream->state;
+ stream->state = (uint8_t*)stream->state + 1;
+#endif
+
+ stream->bytes_left--;
+
+ return true;
+}
+
+pb_istream_t pb_istream_from_buffer(uint8_t *buf, size_t bufsize)
+{
+ pb_istream_t stream;
+#ifdef PB_BUFFER_ONLY
+ stream.callback = NULL;
+#else
+ stream.callback = &buf_read;
+#endif
+ stream.state = buf;
+ stream.bytes_left = bufsize;
+#ifndef PB_NO_ERRMSG
+ stream.errmsg = NULL;
+#endif
+ return stream;
+}
+
+/********************
+ * Helper functions *
+ ********************/
+
+static bool checkreturn pb_decode_varint32(pb_istream_t *stream, uint32_t *dest)
+{
+ uint8_t byte;
+ uint32_t result;
+
+ if (!pb_readbyte(stream, &byte))
+ return false;
+
+ if ((byte & 0x80) == 0)
+ {
+ /* Quick case, 1 byte value */
+ result = byte;
+ }
+ else
+ {
+ /* Multibyte case */
+ uint8_t bitpos = 7;
+ result = byte & 0x7F;
+
+ do
+ {
+ if (bitpos >= 32)
+ PB_RETURN_ERROR(stream, "varint overflow");
+
+ if (!pb_readbyte(stream, &byte))
+ return false;
+
+ result |= (uint32_t)(byte & 0x7F) << bitpos;
+ bitpos = (uint8_t)(bitpos + 7);
+ } while (byte & 0x80);
+ }
+
+ *dest = result;
+ return true;
+}
+
+bool checkreturn pb_decode_varint(pb_istream_t *stream, uint64_t *dest)
+{
+ uint8_t byte;
+ uint8_t bitpos = 0;
+ uint64_t result = 0;
+
+ do
+ {
+ if (bitpos >= 64)
+ PB_RETURN_ERROR(stream, "varint overflow");
+
+ if (!pb_readbyte(stream, &byte))
+ return false;
+
+ result |= (uint64_t)(byte & 0x7F) << bitpos;
+ bitpos = (uint8_t)(bitpos + 7);
+ } while (byte & 0x80);
+
+ *dest = result;
+ return true;
+}
+
+bool checkreturn pb_skip_varint(pb_istream_t *stream)
+{
+ uint8_t byte;
+ do
+ {
+ if (!pb_read(stream, &byte, 1))
+ return false;
+ } while (byte & 0x80);
+ return true;
+}
+
+bool checkreturn pb_skip_string(pb_istream_t *stream)
+{
+ uint32_t length;
+ if (!pb_decode_varint32(stream, &length))
+ return false;
+
+ return pb_read(stream, NULL, length);
+}
+
+bool checkreturn pb_decode_tag(pb_istream_t *stream, pb_wire_type_t *wire_type, uint32_t *tag, bool *eof)
+{
+ uint32_t temp;
+ *eof = false;
+ *wire_type = (pb_wire_type_t) 0;
+ *tag = 0;
+
+ if (!pb_decode_varint32(stream, &temp))
+ {
+ if (stream->bytes_left == 0)
+ *eof = true;
+
+ return false;
+ }
+
+ if (temp == 0)
+ {
+ *eof = true; /* Special feature: allow 0-terminated messages. */
+ return false;
+ }
+
+ *tag = temp >> 3;
+ *wire_type = (pb_wire_type_t)(temp & 7);
+ return true;
+}
+
+bool checkreturn pb_skip_field(pb_istream_t *stream, pb_wire_type_t wire_type)
+{
+ switch (wire_type)
+ {
+ case PB_WT_VARINT: return pb_skip_varint(stream);
+ case PB_WT_64BIT: return pb_read(stream, NULL, 8);
+ case PB_WT_STRING: return pb_skip_string(stream);
+ case PB_WT_32BIT: return pb_read(stream, NULL, 4);
+ default: PB_RETURN_ERROR(stream, "invalid wire_type");
+ }
+}
+
+/* Read a raw value to buffer, for the purpose of passing it to callback as
+ * a substream. Size is maximum size on call, and actual size on return.
+ */
+static bool checkreturn read_raw_value(pb_istream_t *stream, pb_wire_type_t wire_type, uint8_t *buf, size_t *size)
+{
+ size_t max_size = *size;
+ switch (wire_type)
+ {
+ case PB_WT_VARINT:
+ *size = 0;
+ do
+ {
+ (*size)++;
+ if (*size > max_size) return false;
+ if (!pb_read(stream, buf, 1)) return false;
+ } while (*buf++ & 0x80);
+ return true;
+
+ case PB_WT_64BIT:
+ *size = 8;
+ return pb_read(stream, buf, 8);
+
+ case PB_WT_32BIT:
+ *size = 4;
+ return pb_read(stream, buf, 4);
+
+ default: PB_RETURN_ERROR(stream, "invalid wire_type");
+ }
+}
+
+/* Decode string length from stream and return a substream with limited length.
+ * Remember to close the substream using pb_close_string_substream().
+ */
+bool checkreturn pb_make_string_substream(pb_istream_t *stream, pb_istream_t *substream)
+{
+ uint32_t size;
+ if (!pb_decode_varint32(stream, &size))
+ return false;
+
+ *substream = *stream;
+ if (substream->bytes_left < size)
+ PB_RETURN_ERROR(stream, "parent stream too short");
+
+ substream->bytes_left = size;
+ stream->bytes_left -= size;
+ return true;
+}
+
+void pb_close_string_substream(pb_istream_t *stream, pb_istream_t *substream)
+{
+ stream->state = substream->state;
+
+#ifndef PB_NO_ERRMSG
+ stream->errmsg = substream->errmsg;
+#endif
+}
+
+/*************************
+ * Decode a single field *
+ *************************/
+
+static bool checkreturn decode_static_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *iter)
+{
+ pb_type_t type;
+ pb_decoder_t func;
+
+ type = iter->pos->type;
+ func = PB_DECODERS[PB_LTYPE(type)];
+
+ switch (PB_HTYPE(type))
+ {
+ case PB_HTYPE_REQUIRED:
+ return func(stream, iter->pos, iter->pData);
+
+ case PB_HTYPE_OPTIONAL:
+ *(bool*)iter->pSize = true;
+ return func(stream, iter->pos, iter->pData);
+
+ case PB_HTYPE_REPEATED:
+ if (wire_type == PB_WT_STRING
+ && PB_LTYPE(type) <= PB_LTYPE_LAST_PACKABLE)
+ {
+ /* Packed array */
+ bool status = true;
+ pb_size_t *size = (pb_size_t*)iter->pSize;
+ pb_istream_t substream;
+ if (!pb_make_string_substream(stream, &substream))
+ return false;
+
+ while (substream.bytes_left > 0 && *size < iter->pos->array_size)
+ {
+ void *pItem = (uint8_t*)iter->pData + iter->pos->data_size * (*size);
+ if (!func(&substream, iter->pos, pItem))
+ {
+ status = false;
+ break;
+ }
+ (*size)++;
+ }
+ pb_close_string_substream(stream, &substream);
+
+ if (substream.bytes_left != 0)
+ PB_RETURN_ERROR(stream, "array overflow");
+
+ return status;
+ }
+ else
+ {
+ /* Repeated field */
+ pb_size_t *size = (pb_size_t*)iter->pSize;
+ void *pItem = (uint8_t*)iter->pData + iter->pos->data_size * (*size);
+ if (*size >= iter->pos->array_size)
+ PB_RETURN_ERROR(stream, "array overflow");
+
+ (*size)++;
+ return func(stream, iter->pos, pItem);
+ }
+
+ case PB_HTYPE_ONEOF:
+ *(pb_size_t*)iter->pSize = iter->pos->tag;
+ if (PB_LTYPE(type) == PB_LTYPE_SUBMESSAGE)
+ {
+ /* We memset to zero so that any callbacks are set to NULL.
+ * Then set any default values. */
+ memset(iter->pData, 0, iter->pos->data_size);
+ pb_message_set_to_defaults((const pb_field_t*)iter->pos->ptr, iter->pData);
+ }
+ return func(stream, iter->pos, iter->pData);
+
+ default:
+ PB_RETURN_ERROR(stream, "invalid field type");
+ }
+}
+
+#ifdef PB_ENABLE_MALLOC
+/* Allocate storage for the field and store the pointer at iter->pData.
+ * array_size is the number of entries to reserve in an array.
+ * Zero size is not allowed, use pb_free() for releasing.
+ */
+static bool checkreturn allocate_field(pb_istream_t *stream, void *pData, size_t data_size, size_t array_size)
+{
+ void *ptr = *(void**)pData;
+
+ if (data_size == 0 || array_size == 0)
+ PB_RETURN_ERROR(stream, "invalid size");
+
+ /* Check for multiplication overflows.
+ * This code avoids the costly division if the sizes are small enough.
+ * Multiplication is safe as long as only half of bits are set
+ * in either multiplicand.
+ */
+ {
+ const size_t check_limit = (size_t)1 << (sizeof(size_t) * 4);
+ if (data_size >= check_limit || array_size >= check_limit)
+ {
+ const size_t size_max = (size_t)-1;
+ if (size_max / array_size < data_size)
+ {
+ PB_RETURN_ERROR(stream, "size too large");
+ }
+ }
+ }
+
+ /* Allocate new or expand previous allocation */
+ /* Note: on failure the old pointer will remain in the structure,
+ * the message must be freed by caller also on error return. */
+ ptr = pb_realloc(ptr, array_size * data_size);
+ if (ptr == NULL)
+ PB_RETURN_ERROR(stream, "realloc failed");
+
+ *(void**)pData = ptr;
+ return true;
+}
+
+/* Clear a newly allocated item in case it contains a pointer, or is a submessage. */
+static void initialize_pointer_field(void *pItem, pb_field_iter_t *iter)
+{
+ if (PB_LTYPE(iter->pos->type) == PB_LTYPE_STRING ||
+ PB_LTYPE(iter->pos->type) == PB_LTYPE_BYTES)
+ {
+ *(void**)pItem = NULL;
+ }
+ else if (PB_LTYPE(iter->pos->type) == PB_LTYPE_SUBMESSAGE)
+ {
+ pb_message_set_to_defaults((const pb_field_t *) iter->pos->ptr, pItem);
+ }
+}
+#endif
+
+static bool checkreturn decode_pointer_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *iter)
+{
+#ifndef PB_ENABLE_MALLOC
+ PB_UNUSED(wire_type);
+ PB_UNUSED(iter);
+ PB_RETURN_ERROR(stream, "no malloc support");
+#else
+ pb_type_t type;
+ pb_decoder_t func;
+
+ type = iter->pos->type;
+ func = PB_DECODERS[PB_LTYPE(type)];
+
+ switch (PB_HTYPE(type))
+ {
+ case PB_HTYPE_REQUIRED:
+ case PB_HTYPE_OPTIONAL:
+ case PB_HTYPE_ONEOF:
+ if (PB_LTYPE(type) == PB_LTYPE_SUBMESSAGE &&
+ *(void**)iter->pData != NULL)
+ {
+ /* Duplicate field, have to release the old allocation first. */
+ pb_release_single_field(iter);
+ }
+
+ if (PB_HTYPE(type) == PB_HTYPE_ONEOF)
+ {
+ *(pb_size_t*)iter->pSize = iter->pos->tag;
+ }
+
+ if (PB_LTYPE(type) == PB_LTYPE_STRING ||
+ PB_LTYPE(type) == PB_LTYPE_BYTES)
+ {
+ return func(stream, iter->pos, iter->pData);
+ }
+ else
+ {
+ if (!allocate_field(stream, iter->pData, iter->pos->data_size, 1))
+ return false;
+
+ initialize_pointer_field(*(void**)iter->pData, iter);
+ return func(stream, iter->pos, *(void**)iter->pData);
+ }
+
+ case PB_HTYPE_REPEATED:
+ if (wire_type == PB_WT_STRING
+ && PB_LTYPE(type) <= PB_LTYPE_LAST_PACKABLE)
+ {
+ /* Packed array, multiple items come in at once. */
+ bool status = true;
+ pb_size_t *size = (pb_size_t*)iter->pSize;
+ size_t allocated_size = *size;
+ void *pItem;
+ pb_istream_t substream;
+
+ if (!pb_make_string_substream(stream, &substream))
+ return false;
+
+ while (substream.bytes_left)
+ {
+ if ((size_t)*size + 1 > allocated_size)
+ {
+ /* Allocate more storage. This tries to guess the
+ * number of remaining entries. Round the division
+ * upwards. */
+ allocated_size += (substream.bytes_left - 1) / iter->pos->data_size + 1;
+
+ if (!allocate_field(&substream, iter->pData, iter->pos->data_size, allocated_size))
+ {
+ status = false;
+ break;
+ }
+ }
+
+ /* Decode the array entry */
+ pItem = *(uint8_t**)iter->pData + iter->pos->data_size * (*size);
+ initialize_pointer_field(pItem, iter);
+ if (!func(&substream, iter->pos, pItem))
+ {
+ status = false;
+ break;
+ }
+
+ if (*size == PB_SIZE_MAX)
+ {
+#ifndef PB_NO_ERRMSG
+ stream->errmsg = "too many array entries";
+#endif
+ status = false;
+ break;
+ }
+
+ (*size)++;
+ }
+ pb_close_string_substream(stream, &substream);
+
+ return status;
+ }
+ else
+ {
+ /* Normal repeated field, i.e. only one item at a time. */
+ pb_size_t *size = (pb_size_t*)iter->pSize;
+ void *pItem;
+
+ if (*size == PB_SIZE_MAX)
+ PB_RETURN_ERROR(stream, "too many array entries");
+
+ (*size)++;
+ if (!allocate_field(stream, iter->pData, iter->pos->data_size, *size))
+ return false;
+
+ pItem = *(uint8_t**)iter->pData + iter->pos->data_size * (*size - 1);
+ initialize_pointer_field(pItem, iter);
+ return func(stream, iter->pos, pItem);
+ }
+
+ default:
+ PB_RETURN_ERROR(stream, "invalid field type");
+ }
+#endif
+}
+
+static bool checkreturn decode_callback_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *iter)
+{
+ pb_callback_t *pCallback = (pb_callback_t*)iter->pData;
+
+#ifdef PB_OLD_CALLBACK_STYLE
+ void *arg = pCallback->arg;
+#else
+ void **arg = &(pCallback->arg);
+#endif
+
+ if (pCallback->funcs.decode == NULL)
+ return pb_skip_field(stream, wire_type);
+
+ if (wire_type == PB_WT_STRING)
+ {
+ pb_istream_t substream;
+
+ if (!pb_make_string_substream(stream, &substream))
+ return false;
+
+ do
+ {
+ if (!pCallback->funcs.decode(&substream, iter->pos, arg))
+ PB_RETURN_ERROR(stream, "callback failed");
+ } while (substream.bytes_left);
+
+ pb_close_string_substream(stream, &substream);
+ return true;
+ }
+ else
+ {
+ /* Copy the single scalar value to stack.
+ * This is required so that we can limit the stream length,
+ * which in turn allows to use same callback for packed and
+ * not-packed fields. */
+ pb_istream_t substream;
+ uint8_t buffer[10];
+ size_t size = sizeof(buffer);
+
+ if (!read_raw_value(stream, wire_type, buffer, &size))
+ return false;
+ substream = pb_istream_from_buffer(buffer, size);
+
+ return pCallback->funcs.decode(&substream, iter->pos, arg);
+ }
+}
+
+static bool checkreturn decode_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *iter)
+{
+#ifdef PB_ENABLE_MALLOC
+ /* When decoding an oneof field, check if there is old data that must be
+ * released first. */
+ if (PB_HTYPE(iter->pos->type) == PB_HTYPE_ONEOF)
+ {
+ if (!pb_release_union_field(stream, iter))
+ return false;
+ }
+#endif
+
+ switch (PB_ATYPE(iter->pos->type))
+ {
+ case PB_ATYPE_STATIC:
+ return decode_static_field(stream, wire_type, iter);
+
+ case PB_ATYPE_POINTER:
+ return decode_pointer_field(stream, wire_type, iter);
+
+ case PB_ATYPE_CALLBACK:
+ return decode_callback_field(stream, wire_type, iter);
+
+ default:
+ PB_RETURN_ERROR(stream, "invalid field type");
+ }
+}
+
+static void iter_from_extension(pb_field_iter_t *iter, pb_extension_t *extension)
+{
+ /* Fake a field iterator for the extension field.
+ * It is not actually safe to advance this iterator, but decode_field
+ * will not even try to. */
+ const pb_field_t *field = (const pb_field_t*)extension->type->arg;
+ (void)pb_field_iter_begin(iter, field, extension->dest);
+ iter->pData = extension->dest;
+ iter->pSize = &extension->found;
+
+ if (PB_ATYPE(field->type) == PB_ATYPE_POINTER)
+ {
+ /* For pointer extensions, the pointer is stored directly
+ * in the extension structure. This avoids having an extra
+ * indirection. */
+ iter->pData = &extension->dest;
+ }
+}
+
+/* Default handler for extension fields. Expects a pb_field_t structure
+ * in extension->type->arg. */
+static bool checkreturn default_extension_decoder(pb_istream_t *stream,
+ pb_extension_t *extension, uint32_t tag, pb_wire_type_t wire_type)
+{
+ const pb_field_t *field = (const pb_field_t*)extension->type->arg;
+ pb_field_iter_t iter;
+
+ if (field->tag != tag)
+ return true;
+
+ iter_from_extension(&iter, extension);
+ extension->found = true;
+ return decode_field(stream, wire_type, &iter);
+}
+
+/* Try to decode an unknown field as an extension field. Tries each extension
+ * decoder in turn, until one of them handles the field or loop ends. */
+static bool checkreturn decode_extension(pb_istream_t *stream,
+ uint32_t tag, pb_wire_type_t wire_type, pb_field_iter_t *iter)
+{
+ pb_extension_t *extension = *(pb_extension_t* const *)iter->pData;
+ size_t pos = stream->bytes_left;
+
+ while (extension != NULL && pos == stream->bytes_left)
+ {
+ bool status;
+ if (extension->type->decode)
+ status = extension->type->decode(stream, extension, tag, wire_type);
+ else
+ status = default_extension_decoder(stream, extension, tag, wire_type);
+
+ if (!status)
+ return false;
+
+ extension = extension->next;
+ }
+
+ return true;
+}
+
+/* Step through the iterator until an extension field is found or until all
+ * entries have been checked. There can be only one extension field per
+ * message. Returns false if no extension field is found. */
+static bool checkreturn find_extension_field(pb_field_iter_t *iter)
+{
+ const pb_field_t *start = iter->pos;
+
+ do {
+ if (PB_LTYPE(iter->pos->type) == PB_LTYPE_EXTENSION)
+ return true;
+ (void)pb_field_iter_next(iter);
+ } while (iter->pos != start);
+
+ return false;
+}
+
+/* Initialize message fields to default values, recursively */
+static void pb_field_set_to_default(pb_field_iter_t *iter)
+{
+ pb_type_t type;
+ type = iter->pos->type;
+
+ if (PB_LTYPE(type) == PB_LTYPE_EXTENSION)
+ {
+ pb_extension_t *ext = *(pb_extension_t* const *)iter->pData;
+ while (ext != NULL)
+ {
+ pb_field_iter_t ext_iter;
+ ext->found = false;
+ iter_from_extension(&ext_iter, ext);
+ pb_field_set_to_default(&ext_iter);
+ ext = ext->next;
+ }
+ }
+ else if (PB_ATYPE(type) == PB_ATYPE_STATIC)
+ {
+ bool init_data = true;
+ if (PB_HTYPE(type) == PB_HTYPE_OPTIONAL)
+ {
+ /* Set has_field to false. Still initialize the optional field
+ * itself also. */
+ *(bool*)iter->pSize = false;
+ }
+ else if (PB_HTYPE(type) == PB_HTYPE_REPEATED ||
+ PB_HTYPE(type) == PB_HTYPE_ONEOF)
+ {
+ /* REPEATED: Set array count to 0, no need to initialize contents.
+ ONEOF: Set which_field to 0. */
+ *(pb_size_t*)iter->pSize = 0;
+ init_data = false;
+ }
+
+ if (init_data)
+ {
+ if (PB_LTYPE(iter->pos->type) == PB_LTYPE_SUBMESSAGE)
+ {
+ /* Initialize submessage to defaults */
+ pb_message_set_to_defaults((const pb_field_t *) iter->pos->ptr, iter->pData);
+ }
+ else if (iter->pos->ptr != NULL)
+ {
+ /* Initialize to default value */
+ memcpy(iter->pData, iter->pos->ptr, iter->pos->data_size);
+ }
+ else
+ {
+ /* Initialize to zeros */
+ memset(iter->pData, 0, iter->pos->data_size);
+ }
+ }
+ }
+ else if (PB_ATYPE(type) == PB_ATYPE_POINTER)
+ {
+ /* Initialize the pointer to NULL. */
+ *(void**)iter->pData = NULL;
+
+ /* Initialize array count to 0. */
+ if (PB_HTYPE(type) == PB_HTYPE_REPEATED ||
+ PB_HTYPE(type) == PB_HTYPE_ONEOF)
+ {
+ *(pb_size_t*)iter->pSize = 0;
+ }
+ }
+ else if (PB_ATYPE(type) == PB_ATYPE_CALLBACK)
+ {
+ /* Don't overwrite callback */
+ }
+}
+
+static void pb_message_set_to_defaults(const pb_field_t fields[], void *dest_struct)
+{
+ pb_field_iter_t iter;
+
+ if (!pb_field_iter_begin(&iter, fields, dest_struct))
+ return; /* Empty message type */
+
+ do
+ {
+ pb_field_set_to_default(&iter);
+ } while (pb_field_iter_next(&iter));
+}
+
+/*********************
+ * Decode all fields *
+ *********************/
+
+bool checkreturn pb_decode_noinit(pb_istream_t *stream, const pb_field_t fields[], void *dest_struct)
+{
+ uint8_t fields_seen[(PB_MAX_REQUIRED_FIELDS + 7) / 8] = {0, 0, 0, 0, 0, 0, 0, 0};
+ uint32_t extension_range_start = 0;
+ pb_field_iter_t iter;
+
+ /* Return value ignored, as empty message types will be correctly handled by
+ * pb_field_iter_find() anyway. */
+ (void)pb_field_iter_begin(&iter, fields, dest_struct);
+
+ while (stream->bytes_left)
+ {
+ uint32_t tag;
+ pb_wire_type_t wire_type;
+ bool eof;
+
+ if (!pb_decode_tag(stream, &wire_type, &tag, &eof))
+ {
+ if (eof)
+ break;
+ else
+ return false;
+ }
+
+ if (!pb_field_iter_find(&iter, tag))
+ {
+ /* No match found, check if it matches an extension. */
+ if (tag >= extension_range_start)
+ {
+ if (!find_extension_field(&iter))
+ extension_range_start = (uint32_t)-1;
+ else
+ extension_range_start = iter.pos->tag;
+
+ if (tag >= extension_range_start)
+ {
+ size_t pos = stream->bytes_left;
+
+ if (!decode_extension(stream, tag, wire_type, &iter))
+ return false;
+
+ if (pos != stream->bytes_left)
+ {
+ /* The field was handled */
+ continue;
+ }
+ }
+ }
+
+ /* No match found, skip data */
+ if (!pb_skip_field(stream, wire_type))
+ return false;
+ continue;
+ }
+
+ if (PB_HTYPE(iter.pos->type) == PB_HTYPE_REQUIRED
+ && iter.required_field_index < PB_MAX_REQUIRED_FIELDS)
+ {
+ uint8_t tmp = (uint8_t)(1 << (iter.required_field_index & 7));
+ fields_seen[iter.required_field_index >> 3] |= tmp;
+ }
+
+ if (!decode_field(stream, wire_type, &iter))
+ return false;
+ }
+
+ /* Check that all required fields were present. */
+ {
+ /* First figure out the number of required fields by
+ * seeking to the end of the field array. Usually we
+ * are already close to end after decoding.
+ */
+ unsigned req_field_count;
+ pb_type_t last_type;
+ unsigned i;
+ do {
+ req_field_count = iter.required_field_index;
+ last_type = iter.pos->type;
+ } while (pb_field_iter_next(&iter));
+
+ /* Fixup if last field was also required. */
+ if (PB_HTYPE(last_type) == PB_HTYPE_REQUIRED && iter.pos->tag != 0)
+ req_field_count++;
+
+ /* Check the whole bytes */
+ for (i = 0; i < (req_field_count >> 3); i++)
+ {
+ if (fields_seen[i] != 0xFF)
+ PB_RETURN_ERROR(stream, "missing required field");
+ }
+
+ /* Check the remaining bits */
+ if (fields_seen[req_field_count >> 3] != (0xFF >> (8 - (req_field_count & 7))))
+ PB_RETURN_ERROR(stream, "missing required field");
+ }
+
+ return true;
+}
+
+bool checkreturn pb_decode(pb_istream_t *stream, const pb_field_t fields[], void *dest_struct)
+{
+ bool status;
+ pb_message_set_to_defaults(fields, dest_struct);
+ status = pb_decode_noinit(stream, fields, dest_struct);
+
+#ifdef PB_ENABLE_MALLOC
+ if (!status)
+ pb_release(fields, dest_struct);
+#endif
+
+ return status;
+}
+
+bool pb_decode_delimited(pb_istream_t *stream, const pb_field_t fields[], void *dest_struct)
+{
+ pb_istream_t substream;
+ bool status;
+
+ if (!pb_make_string_substream(stream, &substream))
+ return false;
+
+ status = pb_decode(&substream, fields, dest_struct);
+ pb_close_string_substream(stream, &substream);
+ return status;
+}
+
+#ifdef PB_ENABLE_MALLOC
+/* Given an oneof field, if there has already been a field inside this oneof,
+ * release it before overwriting with a different one. */
+static bool pb_release_union_field(pb_istream_t *stream, pb_field_iter_t *iter)
+{
+ pb_size_t old_tag = *(pb_size_t*)iter->pSize; /* Previous which_ value */
+ pb_size_t new_tag = iter->pos->tag; /* New which_ value */
+
+ if (old_tag == 0)
+ return true; /* Ok, no old data in union */
+
+ if (old_tag == new_tag)
+ return true; /* Ok, old data is of same type => merge */
+
+ /* Release old data. The find can fail if the message struct contains
+ * invalid data. */
+ if (!pb_field_iter_find(iter, old_tag))
+ PB_RETURN_ERROR(stream, "invalid union tag");
+
+ pb_release_single_field(iter);
+
+ /* Restore iterator to where it should be.
+ * This shouldn't fail unless the pb_field_t structure is corrupted. */
+ if (!pb_field_iter_find(iter, new_tag))
+ PB_RETURN_ERROR(stream, "iterator error");
+
+ return true;
+}
+
+static void pb_release_single_field(const pb_field_iter_t *iter)
+{
+ pb_type_t type;
+ type = iter->pos->type;
+
+ if (PB_HTYPE(type) == PB_HTYPE_ONEOF)
+ {
+ if (*(pb_size_t*)iter->pSize != iter->pos->tag)
+ return; /* This is not the current field in the union */
+ }
+
+ /* Release anything contained inside an extension or submsg.
+ * This has to be done even if the submsg itself is statically
+ * allocated. */
+ if (PB_LTYPE(type) == PB_LTYPE_EXTENSION)
+ {
+ /* Release fields from all extensions in the linked list */
+ pb_extension_t *ext = *(pb_extension_t**)iter->pData;
+ while (ext != NULL)
+ {
+ pb_field_iter_t ext_iter;
+ iter_from_extension(&ext_iter, ext);
+ pb_release_single_field(&ext_iter);
+ ext = ext->next;
+ }
+ }
+ else if (PB_LTYPE(type) == PB_LTYPE_SUBMESSAGE)
+ {
+ /* Release fields in submessage or submsg array */
+ void *pItem = iter->pData;
+ pb_size_t count = 1;
+
+ if (PB_ATYPE(type) == PB_ATYPE_POINTER)
+ {
+ pItem = *(void**)iter->pData;
+ }
+
+ if (PB_HTYPE(type) == PB_HTYPE_REPEATED)
+ {
+ count = *(pb_size_t*)iter->pSize;
+ }
+
+ if (pItem)
+ {
+ while (count--)
+ {
+ pb_release((const pb_field_t*)iter->pos->ptr, pItem);
+ pItem = (uint8_t*)pItem + iter->pos->data_size;
+ }
+ }
+ }
+
+ if (PB_ATYPE(type) == PB_ATYPE_POINTER)
+ {
+ if (PB_HTYPE(type) == PB_HTYPE_REPEATED &&
+ (PB_LTYPE(type) == PB_LTYPE_STRING ||
+ PB_LTYPE(type) == PB_LTYPE_BYTES))
+ {
+ /* Release entries in repeated string or bytes array */
+ void **pItem = *(void***)iter->pData;
+ pb_size_t count = *(pb_size_t*)iter->pSize;
+ while (count--)
+ {
+ pb_free(*pItem);
+ *pItem++ = NULL;
+ }
+ }
+
+ if (PB_HTYPE(type) == PB_HTYPE_REPEATED)
+ {
+ /* We are going to release the array, so set the size to 0 */
+ *(pb_size_t*)iter->pSize = 0;
+ }
+
+ /* Release main item */
+ pb_free(*(void**)iter->pData);
+ *(void**)iter->pData = NULL;
+ }
+}
+
+void pb_release(const pb_field_t fields[], void *dest_struct)
+{
+ pb_field_iter_t iter;
+
+ if (!pb_field_iter_begin(&iter, fields, dest_struct))
+ return; /* Empty message type */
+
+ do
+ {
+ pb_release_single_field(&iter);
+ } while (pb_field_iter_next(&iter));
+}
+#endif
+
+/* Field decoders */
+
+bool pb_decode_svarint(pb_istream_t *stream, int64_t *dest)
+{
+ uint64_t value;
+ if (!pb_decode_varint(stream, &value))
+ return false;
+
+ if (value & 1)
+ *dest = (int64_t)(~(value >> 1));
+ else
+ *dest = (int64_t)(value >> 1);
+
+ return true;
+}
+
+bool pb_decode_fixed32(pb_istream_t *stream, void *dest)
+{
+ #ifdef __BIG_ENDIAN__
+ uint8_t *bytes = (uint8_t*)dest;
+ uint8_t lebytes[4];
+
+ if (!pb_read(stream, lebytes, 4))
+ return false;
+
+ bytes[0] = lebytes[3];
+ bytes[1] = lebytes[2];
+ bytes[2] = lebytes[1];
+ bytes[3] = lebytes[0];
+ return true;
+ #else
+ return pb_read(stream, (uint8_t*)dest, 4);
+ #endif
+}
+
+bool pb_decode_fixed64(pb_istream_t *stream, void *dest)
+{
+ #ifdef __BIG_ENDIAN__
+ uint8_t *bytes = (uint8_t*)dest;
+ uint8_t lebytes[8];
+
+ if (!pb_read(stream, lebytes, 8))
+ return false;
+
+ bytes[0] = lebytes[7];
+ bytes[1] = lebytes[6];
+ bytes[2] = lebytes[5];
+ bytes[3] = lebytes[4];
+ bytes[4] = lebytes[3];
+ bytes[5] = lebytes[2];
+ bytes[6] = lebytes[1];
+ bytes[7] = lebytes[0];
+ return true;
+ #else
+ return pb_read(stream, (uint8_t*)dest, 8);
+ #endif
+}
+
+static bool checkreturn pb_dec_varint(pb_istream_t *stream, const pb_field_t *field, void *dest)
+{
+ uint64_t value;
+ int64_t svalue;
+ int64_t clamped;
+ if (!pb_decode_varint(stream, &value))
+ return false;
+
+ /* See issue 97: Google's C++ protobuf allows negative varint values to
+ * be cast as int32_t, instead of the int64_t that should be used when
+ * encoding. Previous nanopb versions had a bug in encoding. In order to
+ * not break decoding of such messages, we cast <=32 bit fields to
+ * int32_t first to get the sign correct.
+ */
+ if (field->data_size == 8)
+ svalue = (int64_t)value;
+ else
+ svalue = (int32_t)value;
+
+ switch (field->data_size)
+ {
+ case 1: clamped = *(int8_t*)dest = (int8_t)svalue; break;
+ case 2: clamped = *(int16_t*)dest = (int16_t)svalue; break;
+ case 4: clamped = *(int32_t*)dest = (int32_t)svalue; break;
+ case 8: clamped = *(int64_t*)dest = svalue; break;
+ default: PB_RETURN_ERROR(stream, "invalid data_size");
+ }
+
+ if (clamped != svalue)
+ PB_RETURN_ERROR(stream, "integer too large");
+
+ return true;
+}
+
+static bool checkreturn pb_dec_uvarint(pb_istream_t *stream, const pb_field_t *field, void *dest)
+{
+ uint64_t value, clamped;
+ if (!pb_decode_varint(stream, &value))
+ return false;
+
+ switch (field->data_size)
+ {
+ case 1: clamped = *(uint8_t*)dest = (uint8_t)value; break;
+ case 2: clamped = *(uint16_t*)dest = (uint16_t)value; break;
+ case 4: clamped = *(uint32_t*)dest = (uint32_t)value; break;
+ case 8: clamped = *(uint64_t*)dest = value; break;
+ default: PB_RETURN_ERROR(stream, "invalid data_size");
+ }
+
+ if (clamped != value)
+ PB_RETURN_ERROR(stream, "integer too large");
+
+ return true;
+}
+
+static bool checkreturn pb_dec_svarint(pb_istream_t *stream, const pb_field_t *field, void *dest)
+{
+ int64_t value, clamped;
+ if (!pb_decode_svarint(stream, &value))
+ return false;
+
+ switch (field->data_size)
+ {
+ case 1: clamped = *(int8_t*)dest = (int8_t)value; break;
+ case 2: clamped = *(int16_t*)dest = (int16_t)value; break;
+ case 4: clamped = *(int32_t*)dest = (int32_t)value; break;
+ case 8: clamped = *(int64_t*)dest = value; break;
+ default: PB_RETURN_ERROR(stream, "invalid data_size");
+ }
+
+ if (clamped != value)
+ PB_RETURN_ERROR(stream, "integer too large");
+
+ return true;
+}
+
+static bool checkreturn pb_dec_fixed32(pb_istream_t *stream, const pb_field_t *field, void *dest)
+{
+ PB_UNUSED(field);
+ return pb_decode_fixed32(stream, dest);
+}
+
+static bool checkreturn pb_dec_fixed64(pb_istream_t *stream, const pb_field_t *field, void *dest)
+{
+ PB_UNUSED(field);
+ return pb_decode_fixed64(stream, dest);
+}
+
+static bool checkreturn pb_dec_bytes(pb_istream_t *stream, const pb_field_t *field, void *dest)
+{
+ uint32_t size;
+ size_t alloc_size;
+ pb_bytes_array_t *bdest;
+
+ if (!pb_decode_varint32(stream, &size))
+ return false;
+
+ if (size > PB_SIZE_MAX)
+ PB_RETURN_ERROR(stream, "bytes overflow");
+
+ alloc_size = PB_BYTES_ARRAY_T_ALLOCSIZE(size);
+ if (size > alloc_size)
+ PB_RETURN_ERROR(stream, "size too large");
+
+ if (PB_ATYPE(field->type) == PB_ATYPE_POINTER)
+ {
+#ifndef PB_ENABLE_MALLOC
+ PB_RETURN_ERROR(stream, "no malloc support");
+#else
+ if (!allocate_field(stream, dest, alloc_size, 1))
+ return false;
+ bdest = *(pb_bytes_array_t**)dest;
+#endif
+ }
+ else
+ {
+ if (alloc_size > field->data_size)
+ PB_RETURN_ERROR(stream, "bytes overflow");
+ bdest = (pb_bytes_array_t*)dest;
+ }
+
+ bdest->size = (pb_size_t)size;
+ return pb_read(stream, bdest->bytes, size);
+}
+
+static bool checkreturn pb_dec_string(pb_istream_t *stream, const pb_field_t *field, void *dest)
+{
+ uint32_t size;
+ size_t alloc_size;
+ bool status;
+ if (!pb_decode_varint32(stream, &size))
+ return false;
+
+ /* Space for null terminator */
+ alloc_size = size + 1;
+
+ if (alloc_size < size)
+ PB_RETURN_ERROR(stream, "size too large");
+
+ if (PB_ATYPE(field->type) == PB_ATYPE_POINTER)
+ {
+#ifndef PB_ENABLE_MALLOC
+ PB_RETURN_ERROR(stream, "no malloc support");
+#else
+ if (!allocate_field(stream, dest, alloc_size, 1))
+ return false;
+ dest = *(void**)dest;
+#endif
+ }
+ else
+ {
+ if (alloc_size > field->data_size)
+ PB_RETURN_ERROR(stream, "string overflow");
+ }
+
+ status = pb_read(stream, (uint8_t*)dest, size);
+ *((uint8_t*)dest + size) = 0;
+ return status;
+}
+
+static bool checkreturn pb_dec_submessage(pb_istream_t *stream, const pb_field_t *field, void *dest)
+{
+ bool status;
+ pb_istream_t substream;
+ const pb_field_t* submsg_fields = (const pb_field_t*)field->ptr;
+
+ if (!pb_make_string_substream(stream, &substream))
+ return false;
+
+ if (field->ptr == NULL)
+ PB_RETURN_ERROR(stream, "invalid field descriptor");
+
+ /* New array entries need to be initialized, while required and optional
+ * submessages have already been initialized in the top-level pb_decode. */
+ if (PB_HTYPE(field->type) == PB_HTYPE_REPEATED)
+ status = pb_decode(&substream, submsg_fields, dest);
+ else
+ status = pb_decode_noinit(&substream, submsg_fields, dest);
+
+ pb_close_string_substream(stream, &substream);
+ return status;
+}
diff --git a/src/core/client_config/lb_policies/nanopb/pb_decode.h b/src/core/client_config/lb_policies/nanopb/pb_decode.h
new file mode 100644
index 0000000000000000000000000000000000000000..3d433155b81e20ab7d0d8e7bd1f9b000d8ba491a
--- /dev/null
+++ b/src/core/client_config/lb_policies/nanopb/pb_decode.h
@@ -0,0 +1,149 @@
+/* pb_decode.h: Functions to decode protocol buffers. Depends on pb_decode.c.
+ * The main function is pb_decode. You also need an input stream, and the
+ * field descriptions created by nanopb_generator.py.
+ */
+
+#ifndef PB_DECODE_H_INCLUDED
+#define PB_DECODE_H_INCLUDED
+
+#include "pb.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Structure for defining custom input streams. You will need to provide
+ * a callback function to read the bytes from your storage, which can be
+ * for example a file or a network socket.
+ *
+ * The callback must conform to these rules:
+ *
+ * 1) Return false on IO errors. This will cause decoding to abort.
+ * 2) You can use state to store your own data (e.g. buffer pointer),
+ * and rely on pb_read to verify that no-body reads past bytes_left.
+ * 3) Your callback may be used with substreams, in which case bytes_left
+ * is different than from the main stream. Don't use bytes_left to compute
+ * any pointers.
+ */
+struct pb_istream_s
+{
+#ifdef PB_BUFFER_ONLY
+ /* Callback pointer is not used in buffer-only configuration.
+ * Having an int pointer here allows binary compatibility but
+ * gives an error if someone tries to assign callback function.
+ */
+ int *callback;
+#else
+ bool (*callback)(pb_istream_t *stream, uint8_t *buf, size_t count);
+#endif
+
+ void *state; /* Free field for use by callback implementation */
+ size_t bytes_left;
+
+#ifndef PB_NO_ERRMSG
+ const char *errmsg;
+#endif
+};
+
+/***************************
+ * Main decoding functions *
+ ***************************/
+
+/* Decode a single protocol buffers message from input stream into a C structure.
+ * Returns true on success, false on any failure.
+ * The actual struct pointed to by dest must match the description in fields.
+ * Callback fields of the destination structure must be initialized by caller.
+ * All other fields will be initialized by this function.
+ *
+ * Example usage:
+ * MyMessage msg = {};
+ * uint8_t buffer[64];
+ * pb_istream_t stream;
+ *
+ * // ... read some data into buffer ...
+ *
+ * stream = pb_istream_from_buffer(buffer, count);
+ * pb_decode(&stream, MyMessage_fields, &msg);
+ */
+bool pb_decode(pb_istream_t *stream, const pb_field_t fields[], void *dest_struct);
+
+/* Same as pb_decode, except does not initialize the destination structure
+ * to default values. This is slightly faster if you need no default values
+ * and just do memset(struct, 0, sizeof(struct)) yourself.
+ *
+ * This can also be used for 'merging' two messages, i.e. update only the
+ * fields that exist in the new message.
+ *
+ * Note: If this function returns with an error, it will not release any
+ * dynamically allocated fields. You will need to call pb_release() yourself.
+ */
+bool pb_decode_noinit(pb_istream_t *stream, const pb_field_t fields[], void *dest_struct);
+
+/* Same as pb_decode, except expects the stream to start with the message size
+ * encoded as varint. Corresponds to parseDelimitedFrom() in Google's
+ * protobuf API.
+ */
+bool pb_decode_delimited(pb_istream_t *stream, const pb_field_t fields[], void *dest_struct);
+
+#ifdef PB_ENABLE_MALLOC
+/* Release any allocated pointer fields. If you use dynamic allocation, you should
+ * call this for any successfully decoded message when you are done with it. If
+ * pb_decode() returns with an error, the message is already released.
+ */
+void pb_release(const pb_field_t fields[], void *dest_struct);
+#endif
+
+
+/**************************************
+ * Functions for manipulating streams *
+ **************************************/
+
+/* Create an input stream for reading from a memory buffer.
+ *
+ * Alternatively, you can use a custom stream that reads directly from e.g.
+ * a file or a network socket.
+ */
+pb_istream_t pb_istream_from_buffer(uint8_t *buf, size_t bufsize);
+
+/* Function to read from a pb_istream_t. You can use this if you need to
+ * read some custom header data, or to read data in field callbacks.
+ */
+bool pb_read(pb_istream_t *stream, uint8_t *buf, size_t count);
+
+
+/************************************************
+ * Helper functions for writing field callbacks *
+ ************************************************/
+
+/* Decode the tag for the next field in the stream. Gives the wire type and
+ * field tag. At end of the message, returns false and sets eof to true. */
+bool pb_decode_tag(pb_istream_t *stream, pb_wire_type_t *wire_type, uint32_t *tag, bool *eof);
+
+/* Skip the field payload data, given the wire type. */
+bool pb_skip_field(pb_istream_t *stream, pb_wire_type_t wire_type);
+
+/* Decode an integer in the varint format. This works for bool, enum, int32,
+ * int64, uint32 and uint64 field types. */
+bool pb_decode_varint(pb_istream_t *stream, uint64_t *dest);
+
+/* Decode an integer in the zig-zagged svarint format. This works for sint32
+ * and sint64. */
+bool pb_decode_svarint(pb_istream_t *stream, int64_t *dest);
+
+/* Decode a fixed32, sfixed32 or float value. You need to pass a pointer to
+ * a 4-byte wide C variable. */
+bool pb_decode_fixed32(pb_istream_t *stream, void *dest);
+
+/* Decode a fixed64, sfixed64 or double value. You need to pass a pointer to
+ * a 8-byte wide C variable. */
+bool pb_decode_fixed64(pb_istream_t *stream, void *dest);
+
+/* Make a limited-length substream for reading a PB_WT_STRING field. */
+bool pb_make_string_substream(pb_istream_t *stream, pb_istream_t *substream);
+void pb_close_string_substream(pb_istream_t *stream, pb_istream_t *substream);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
diff --git a/src/core/client_config/lb_policies/nanopb/pb_encode.c b/src/core/client_config/lb_policies/nanopb/pb_encode.c
new file mode 100644
index 0000000000000000000000000000000000000000..cc372b8f5771490b22ba6b8bc76f60856f090dd8
--- /dev/null
+++ b/src/core/client_config/lb_policies/nanopb/pb_encode.c
@@ -0,0 +1,690 @@
+/* pb_encode.c -- encode a protobuf using minimal resources
+ *
+ * 2011 Petteri Aimonen <jpa@kapsi.fi>
+ */
+
+#include "pb.h"
+#include "pb_encode.h"
+#include "pb_common.h"
+
+/* Use the GCC warn_unused_result attribute to check that all return values
+ * are propagated correctly. On other compilers and gcc before 3.4.0 just
+ * ignore the annotation.
+ */
+#if !defined(__GNUC__) || ( __GNUC__ < 3) || (__GNUC__ == 3 && __GNUC_MINOR__ < 4)
+ #define checkreturn
+#else
+ #define checkreturn __attribute__((warn_unused_result))
+#endif
+
+/**************************************
+ * Declarations internal to this file *
+ **************************************/
+typedef bool (*pb_encoder_t)(pb_ostream_t *stream, const pb_field_t *field, const void *src) checkreturn;
+
+static bool checkreturn buf_write(pb_ostream_t *stream, const uint8_t *buf, size_t count);
+static bool checkreturn encode_array(pb_ostream_t *stream, const pb_field_t *field, const void *pData, size_t count, pb_encoder_t func);
+static bool checkreturn encode_field(pb_ostream_t *stream, const pb_field_t *field, const void *pData);
+static bool checkreturn default_extension_encoder(pb_ostream_t *stream, const pb_extension_t *extension);
+static bool checkreturn encode_extension_field(pb_ostream_t *stream, const pb_field_t *field, const void *pData);
+static bool checkreturn pb_enc_varint(pb_ostream_t *stream, const pb_field_t *field, const void *src);
+static bool checkreturn pb_enc_uvarint(pb_ostream_t *stream, const pb_field_t *field, const void *src);
+static bool checkreturn pb_enc_svarint(pb_ostream_t *stream, const pb_field_t *field, const void *src);
+static bool checkreturn pb_enc_fixed32(pb_ostream_t *stream, const pb_field_t *field, const void *src);
+static bool checkreturn pb_enc_fixed64(pb_ostream_t *stream, const pb_field_t *field, const void *src);
+static bool checkreturn pb_enc_bytes(pb_ostream_t *stream, const pb_field_t *field, const void *src);
+static bool checkreturn pb_enc_string(pb_ostream_t *stream, const pb_field_t *field, const void *src);
+static bool checkreturn pb_enc_submessage(pb_ostream_t *stream, const pb_field_t *field, const void *src);
+
+/* --- Function pointers to field encoders ---
+ * Order in the array must match pb_action_t LTYPE numbering.
+ */
+static const pb_encoder_t PB_ENCODERS[PB_LTYPES_COUNT] = {
+ &pb_enc_varint,
+ &pb_enc_uvarint,
+ &pb_enc_svarint,
+ &pb_enc_fixed32,
+ &pb_enc_fixed64,
+
+ &pb_enc_bytes,
+ &pb_enc_string,
+ &pb_enc_submessage,
+ NULL /* extensions */
+};
+
+/*******************************
+ * pb_ostream_t implementation *
+ *******************************/
+
+static bool checkreturn buf_write(pb_ostream_t *stream, const uint8_t *buf, size_t count)
+{
+ uint8_t *dest = (uint8_t*)stream->state;
+ stream->state = dest + count;
+
+ while (count--)
+ *dest++ = *buf++;
+
+ return true;
+}
+
+pb_ostream_t pb_ostream_from_buffer(uint8_t *buf, size_t bufsize)
+{
+ pb_ostream_t stream;
+#ifdef PB_BUFFER_ONLY
+ stream.callback = (void*)1; /* Just a marker value */
+#else
+ stream.callback = &buf_write;
+#endif
+ stream.state = buf;
+ stream.max_size = bufsize;
+ stream.bytes_written = 0;
+#ifndef PB_NO_ERRMSG
+ stream.errmsg = NULL;
+#endif
+ return stream;
+}
+
+bool checkreturn pb_write(pb_ostream_t *stream, const uint8_t *buf, size_t count)
+{
+ if (stream->callback != NULL)
+ {
+ if (stream->bytes_written + count > stream->max_size)
+ PB_RETURN_ERROR(stream, "stream full");
+
+#ifdef PB_BUFFER_ONLY
+ if (!buf_write(stream, buf, count))
+ PB_RETURN_ERROR(stream, "io error");
+#else
+ if (!stream->callback(stream, buf, count))
+ PB_RETURN_ERROR(stream, "io error");
+#endif
+ }
+
+ stream->bytes_written += count;
+ return true;
+}
+
+/*************************
+ * Encode a single field *
+ *************************/
+
+/* Encode a static array. Handles the size calculations and possible packing. */
+static bool checkreturn encode_array(pb_ostream_t *stream, const pb_field_t *field,
+ const void *pData, size_t count, pb_encoder_t func)
+{
+ size_t i;
+ const void *p;
+ size_t size;
+
+ if (count == 0)
+ return true;
+
+ if (PB_ATYPE(field->type) != PB_ATYPE_POINTER && count > field->array_size)
+ PB_RETURN_ERROR(stream, "array max size exceeded");
+
+ /* We always pack arrays if the datatype allows it. */
+ if (PB_LTYPE(field->type) <= PB_LTYPE_LAST_PACKABLE)
+ {
+ if (!pb_encode_tag(stream, PB_WT_STRING, field->tag))
+ return false;
+
+ /* Determine the total size of packed array. */
+ if (PB_LTYPE(field->type) == PB_LTYPE_FIXED32)
+ {
+ size = 4 * count;
+ }
+ else if (PB_LTYPE(field->type) == PB_LTYPE_FIXED64)
+ {
+ size = 8 * count;
+ }
+ else
+ {
+ pb_ostream_t sizestream = PB_OSTREAM_SIZING;
+ p = pData;
+ for (i = 0; i < count; i++)
+ {
+ if (!func(&sizestream, field, p))
+ return false;
+ p = (const char*)p + field->data_size;
+ }
+ size = sizestream.bytes_written;
+ }
+
+ if (!pb_encode_varint(stream, (uint64_t)size))
+ return false;
+
+ if (stream->callback == NULL)
+ return pb_write(stream, NULL, size); /* Just sizing.. */
+
+ /* Write the data */
+ p = pData;
+ for (i = 0; i < count; i++)
+ {
+ if (!func(stream, field, p))
+ return false;
+ p = (const char*)p + field->data_size;
+ }
+ }
+ else
+ {
+ p = pData;
+ for (i = 0; i < count; i++)
+ {
+ if (!pb_encode_tag_for_field(stream, field))
+ return false;
+
+ /* Normally the data is stored directly in the array entries, but
+ * for pointer-type string and bytes fields, the array entries are
+ * actually pointers themselves also. So we have to dereference once
+ * more to get to the actual data. */
+ if (PB_ATYPE(field->type) == PB_ATYPE_POINTER &&
+ (PB_LTYPE(field->type) == PB_LTYPE_STRING ||
+ PB_LTYPE(field->type) == PB_LTYPE_BYTES))
+ {
+ if (!func(stream, field, *(const void* const*)p))
+ return false;
+ }
+ else
+ {
+ if (!func(stream, field, p))
+ return false;
+ }
+ p = (const char*)p + field->data_size;
+ }
+ }
+
+ return true;
+}
+
+/* Encode a field with static or pointer allocation, i.e. one whose data
+ * is available to the encoder directly. */
+static bool checkreturn encode_basic_field(pb_ostream_t *stream,
+ const pb_field_t *field, const void *pData)
+{
+ pb_encoder_t func;
+ const void *pSize;
+ bool implicit_has = true;
+
+ func = PB_ENCODERS[PB_LTYPE(field->type)];
+
+ if (field->size_offset)
+ pSize = (const char*)pData + field->size_offset;
+ else
+ pSize = &implicit_has;
+
+ if (PB_ATYPE(field->type) == PB_ATYPE_POINTER)
+ {
+ /* pData is a pointer to the field, which contains pointer to
+ * the data. If the 2nd pointer is NULL, it is interpreted as if
+ * the has_field was false.
+ */
+
+ pData = *(const void* const*)pData;
+ implicit_has = (pData != NULL);
+ }
+
+ switch (PB_HTYPE(field->type))
+ {
+ case PB_HTYPE_REQUIRED:
+ if (!pData)
+ PB_RETURN_ERROR(stream, "missing required field");
+ if (!pb_encode_tag_for_field(stream, field))
+ return false;
+ if (!func(stream, field, pData))
+ return false;
+ break;
+
+ case PB_HTYPE_OPTIONAL:
+ if (*(const bool*)pSize)
+ {
+ if (!pb_encode_tag_for_field(stream, field))
+ return false;
+
+ if (!func(stream, field, pData))
+ return false;
+ }
+ break;
+
+ case PB_HTYPE_REPEATED:
+ if (!encode_array(stream, field, pData, *(const pb_size_t*)pSize, func))
+ return false;
+ break;
+
+ case PB_HTYPE_ONEOF:
+ if (*(const pb_size_t*)pSize == field->tag)
+ {
+ if (!pb_encode_tag_for_field(stream, field))
+ return false;
+
+ if (!func(stream, field, pData))
+ return false;
+ }
+ break;
+
+ default:
+ PB_RETURN_ERROR(stream, "invalid field type");
+ }
+
+ return true;
+}
+
+/* Encode a field with callback semantics. This means that a user function is
+ * called to provide and encode the actual data. */
+static bool checkreturn encode_callback_field(pb_ostream_t *stream,
+ const pb_field_t *field, const void *pData)
+{
+ const pb_callback_t *callback = (const pb_callback_t*)pData;
+
+#ifdef PB_OLD_CALLBACK_STYLE
+ const void *arg = callback->arg;
+#else
+ void * const *arg = &(callback->arg);
+#endif
+
+ if (callback->funcs.encode != NULL)
+ {
+ if (!callback->funcs.encode(stream, field, arg))
+ PB_RETURN_ERROR(stream, "callback error");
+ }
+ return true;
+}
+
+/* Encode a single field of any callback or static type. */
+static bool checkreturn encode_field(pb_ostream_t *stream,
+ const pb_field_t *field, const void *pData)
+{
+ switch (PB_ATYPE(field->type))
+ {
+ case PB_ATYPE_STATIC:
+ case PB_ATYPE_POINTER:
+ return encode_basic_field(stream, field, pData);
+
+ case PB_ATYPE_CALLBACK:
+ return encode_callback_field(stream, field, pData);
+
+ default:
+ PB_RETURN_ERROR(stream, "invalid field type");
+ }
+}
+
+/* Default handler for extension fields. Expects to have a pb_field_t
+ * pointer in the extension->type->arg field. */
+static bool checkreturn default_extension_encoder(pb_ostream_t *stream,
+ const pb_extension_t *extension)
+{
+ const pb_field_t *field = (const pb_field_t*)extension->type->arg;
+
+ if (PB_ATYPE(field->type) == PB_ATYPE_POINTER)
+ {
+ /* For pointer extensions, the pointer is stored directly
+ * in the extension structure. This avoids having an extra
+ * indirection. */
+ return encode_field(stream, field, &extension->dest);
+ }
+ else
+ {
+ return encode_field(stream, field, extension->dest);
+ }
+}
+
+/* Walk through all the registered extensions and give them a chance
+ * to encode themselves. */
+static bool checkreturn encode_extension_field(pb_ostream_t *stream,
+ const pb_field_t *field, const void *pData)
+{
+ const pb_extension_t *extension = *(const pb_extension_t* const *)pData;
+ PB_UNUSED(field);
+
+ while (extension)
+ {
+ bool status;
+ if (extension->type->encode)
+ status = extension->type->encode(stream, extension);
+ else
+ status = default_extension_encoder(stream, extension);
+
+ if (!status)
+ return false;
+
+ extension = extension->next;
+ }
+
+ return true;
+}
+
+/*********************
+ * Encode all fields *
+ *********************/
+
+static void *remove_const(const void *p)
+{
+ /* Note: this casts away const, in order to use the common field iterator
+ * logic for both encoding and decoding. */
+ union {
+ void *p1;
+ const void *p2;
+ } t;
+ t.p2 = p;
+ return t.p1;
+}
+
+bool checkreturn pb_encode(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct)
+{
+ pb_field_iter_t iter;
+ if (!pb_field_iter_begin(&iter, fields, remove_const(src_struct)))
+ return true; /* Empty message type */
+
+ do {
+ if (PB_LTYPE(iter.pos->type) == PB_LTYPE_EXTENSION)
+ {
+ /* Special case for the extension field placeholder */
+ if (!encode_extension_field(stream, iter.pos, iter.pData))
+ return false;
+ }
+ else
+ {
+ /* Regular field */
+ if (!encode_field(stream, iter.pos, iter.pData))
+ return false;
+ }
+ } while (pb_field_iter_next(&iter));
+
+ return true;
+}
+
+bool pb_encode_delimited(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct)
+{
+ return pb_encode_submessage(stream, fields, src_struct);
+}
+
+bool pb_get_encoded_size(size_t *size, const pb_field_t fields[], const void *src_struct)
+{
+ pb_ostream_t stream = PB_OSTREAM_SIZING;
+
+ if (!pb_encode(&stream, fields, src_struct))
+ return false;
+
+ *size = stream.bytes_written;
+ return true;
+}
+
+/********************
+ * Helper functions *
+ ********************/
+bool checkreturn pb_encode_varint(pb_ostream_t *stream, uint64_t value)
+{
+ uint8_t buffer[10];
+ size_t i = 0;
+
+ if (value == 0)
+ return pb_write(stream, (uint8_t*)&value, 1);
+
+ while (value)
+ {
+ buffer[i] = (uint8_t)((value & 0x7F) | 0x80);
+ value >>= 7;
+ i++;
+ }
+ buffer[i-1] &= 0x7F; /* Unset top bit on last byte */
+
+ return pb_write(stream, buffer, i);
+}
+
+bool checkreturn pb_encode_svarint(pb_ostream_t *stream, int64_t value)
+{
+ uint64_t zigzagged;
+ if (value < 0)
+ zigzagged = ~((uint64_t)value << 1);
+ else
+ zigzagged = (uint64_t)value << 1;
+
+ return pb_encode_varint(stream, zigzagged);
+}
+
+bool checkreturn pb_encode_fixed32(pb_ostream_t *stream, const void *value)
+{
+ #ifdef __BIG_ENDIAN__
+ const uint8_t *bytes = value;
+ uint8_t lebytes[4];
+ lebytes[0] = bytes[3];
+ lebytes[1] = bytes[2];
+ lebytes[2] = bytes[1];
+ lebytes[3] = bytes[0];
+ return pb_write(stream, lebytes, 4);
+ #else
+ return pb_write(stream, (const uint8_t*)value, 4);
+ #endif
+}
+
+bool checkreturn pb_encode_fixed64(pb_ostream_t *stream, const void *value)
+{
+ #ifdef __BIG_ENDIAN__
+ const uint8_t *bytes = value;
+ uint8_t lebytes[8];
+ lebytes[0] = bytes[7];
+ lebytes[1] = bytes[6];
+ lebytes[2] = bytes[5];
+ lebytes[3] = bytes[4];
+ lebytes[4] = bytes[3];
+ lebytes[5] = bytes[2];
+ lebytes[6] = bytes[1];
+ lebytes[7] = bytes[0];
+ return pb_write(stream, lebytes, 8);
+ #else
+ return pb_write(stream, (const uint8_t*)value, 8);
+ #endif
+}
+
+bool checkreturn pb_encode_tag(pb_ostream_t *stream, pb_wire_type_t wiretype, uint32_t field_number)
+{
+ uint64_t tag = ((uint64_t)field_number << 3) | wiretype;
+ return pb_encode_varint(stream, tag);
+}
+
+bool checkreturn pb_encode_tag_for_field(pb_ostream_t *stream, const pb_field_t *field)
+{
+ pb_wire_type_t wiretype;
+ switch (PB_LTYPE(field->type))
+ {
+ case PB_LTYPE_VARINT:
+ case PB_LTYPE_UVARINT:
+ case PB_LTYPE_SVARINT:
+ wiretype = PB_WT_VARINT;
+ break;
+
+ case PB_LTYPE_FIXED32:
+ wiretype = PB_WT_32BIT;
+ break;
+
+ case PB_LTYPE_FIXED64:
+ wiretype = PB_WT_64BIT;
+ break;
+
+ case PB_LTYPE_BYTES:
+ case PB_LTYPE_STRING:
+ case PB_LTYPE_SUBMESSAGE:
+ wiretype = PB_WT_STRING;
+ break;
+
+ default:
+ PB_RETURN_ERROR(stream, "invalid field type");
+ }
+
+ return pb_encode_tag(stream, wiretype, field->tag);
+}
+
+bool checkreturn pb_encode_string(pb_ostream_t *stream, const uint8_t *buffer, size_t size)
+{
+ if (!pb_encode_varint(stream, (uint64_t)size))
+ return false;
+
+ return pb_write(stream, buffer, size);
+}
+
+bool checkreturn pb_encode_submessage(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct)
+{
+ /* First calculate the message size using a non-writing substream. */
+ pb_ostream_t substream = PB_OSTREAM_SIZING;
+ size_t size;
+ bool status;
+
+ if (!pb_encode(&substream, fields, src_struct))
+ {
+#ifndef PB_NO_ERRMSG
+ stream->errmsg = substream.errmsg;
+#endif
+ return false;
+ }
+
+ size = substream.bytes_written;
+
+ if (!pb_encode_varint(stream, (uint64_t)size))
+ return false;
+
+ if (stream->callback == NULL)
+ return pb_write(stream, NULL, size); /* Just sizing */
+
+ if (stream->bytes_written + size > stream->max_size)
+ PB_RETURN_ERROR(stream, "stream full");
+
+ /* Use a substream to verify that a callback doesn't write more than
+ * what it did the first time. */
+ substream.callback = stream->callback;
+ substream.state = stream->state;
+ substream.max_size = size;
+ substream.bytes_written = 0;
+#ifndef PB_NO_ERRMSG
+ substream.errmsg = NULL;
+#endif
+
+ status = pb_encode(&substream, fields, src_struct);
+
+ stream->bytes_written += substream.bytes_written;
+ stream->state = substream.state;
+#ifndef PB_NO_ERRMSG
+ stream->errmsg = substream.errmsg;
+#endif
+
+ if (substream.bytes_written != size)
+ PB_RETURN_ERROR(stream, "submsg size changed");
+
+ return status;
+}
+
+/* Field encoders */
+
+static bool checkreturn pb_enc_varint(pb_ostream_t *stream, const pb_field_t *field, const void *src)
+{
+ int64_t value = 0;
+
+ /* Cases 1 and 2 are for compilers that have smaller types for bool
+ * or enums, and for int_size option. */
+ switch (field->data_size)
+ {
+ case 1: value = *(const int8_t*)src; break;
+ case 2: value = *(const int16_t*)src; break;
+ case 4: value = *(const int32_t*)src; break;
+ case 8: value = *(const int64_t*)src; break;
+ default: PB_RETURN_ERROR(stream, "invalid data_size");
+ }
+
+ return pb_encode_varint(stream, (uint64_t)value);
+}
+
+static bool checkreturn pb_enc_uvarint(pb_ostream_t *stream, const pb_field_t *field, const void *src)
+{
+ uint64_t value = 0;
+
+ switch (field->data_size)
+ {
+ case 1: value = *(const uint8_t*)src; break;
+ case 2: value = *(const uint16_t*)src; break;
+ case 4: value = *(const uint32_t*)src; break;
+ case 8: value = *(const uint64_t*)src; break;
+ default: PB_RETURN_ERROR(stream, "invalid data_size");
+ }
+
+ return pb_encode_varint(stream, value);
+}
+
+static bool checkreturn pb_enc_svarint(pb_ostream_t *stream, const pb_field_t *field, const void *src)
+{
+ int64_t value = 0;
+
+ switch (field->data_size)
+ {
+ case 1: value = *(const int8_t*)src; break;
+ case 2: value = *(const int16_t*)src; break;
+ case 4: value = *(const int32_t*)src; break;
+ case 8: value = *(const int64_t*)src; break;
+ default: PB_RETURN_ERROR(stream, "invalid data_size");
+ }
+
+ return pb_encode_svarint(stream, value);
+}
+
+static bool checkreturn pb_enc_fixed64(pb_ostream_t *stream, const pb_field_t *field, const void *src)
+{
+ PB_UNUSED(field);
+ return pb_encode_fixed64(stream, src);
+}
+
+static bool checkreturn pb_enc_fixed32(pb_ostream_t *stream, const pb_field_t *field, const void *src)
+{
+ PB_UNUSED(field);
+ return pb_encode_fixed32(stream, src);
+}
+
+static bool checkreturn pb_enc_bytes(pb_ostream_t *stream, const pb_field_t *field, const void *src)
+{
+ const pb_bytes_array_t *bytes = (const pb_bytes_array_t*)src;
+
+ if (src == NULL)
+ {
+ /* Threat null pointer as an empty bytes field */
+ return pb_encode_string(stream, NULL, 0);
+ }
+
+ if (PB_ATYPE(field->type) == PB_ATYPE_STATIC &&
+ PB_BYTES_ARRAY_T_ALLOCSIZE(bytes->size) > field->data_size)
+ {
+ PB_RETURN_ERROR(stream, "bytes size exceeded");
+ }
+
+ return pb_encode_string(stream, bytes->bytes, bytes->size);
+}
+
+static bool checkreturn pb_enc_string(pb_ostream_t *stream, const pb_field_t *field, const void *src)
+{
+ size_t size = 0;
+ size_t max_size = field->data_size;
+ const char *p = (const char*)src;
+
+ if (PB_ATYPE(field->type) == PB_ATYPE_POINTER)
+ max_size = (size_t)-1;
+
+ if (src == NULL)
+ {
+ size = 0; /* Threat null pointer as an empty string */
+ }
+ else
+ {
+ /* strnlen() is not always available, so just use a loop */
+ while (size < max_size && *p != '\0')
+ {
+ size++;
+ p++;
+ }
+ }
+
+ return pb_encode_string(stream, (const uint8_t*)src, size);
+}
+
+static bool checkreturn pb_enc_submessage(pb_ostream_t *stream, const pb_field_t *field, const void *src)
+{
+ if (field->ptr == NULL)
+ PB_RETURN_ERROR(stream, "invalid field descriptor");
+
+ return pb_encode_submessage(stream, (const pb_field_t*)field->ptr, src);
+}
+
diff --git a/src/core/client_config/lb_policies/nanopb/pb_encode.h b/src/core/client_config/lb_policies/nanopb/pb_encode.h
new file mode 100644
index 0000000000000000000000000000000000000000..e992c8dca18a1a0dad29ad1b6450f95e83ceb501
--- /dev/null
+++ b/src/core/client_config/lb_policies/nanopb/pb_encode.h
@@ -0,0 +1,154 @@
+/* pb_encode.h: Functions to encode protocol buffers. Depends on pb_encode.c.
+ * The main function is pb_encode. You also need an output stream, and the
+ * field descriptions created by nanopb_generator.py.
+ */
+
+#ifndef PB_ENCODE_H_INCLUDED
+#define PB_ENCODE_H_INCLUDED
+
+#include "pb.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Structure for defining custom output streams. You will need to provide
+ * a callback function to write the bytes to your storage, which can be
+ * for example a file or a network socket.
+ *
+ * The callback must conform to these rules:
+ *
+ * 1) Return false on IO errors. This will cause encoding to abort.
+ * 2) You can use state to store your own data (e.g. buffer pointer).
+ * 3) pb_write will update bytes_written after your callback runs.
+ * 4) Substreams will modify max_size and bytes_written. Don't use them
+ * to calculate any pointers.
+ */
+struct pb_ostream_s
+{
+#ifdef PB_BUFFER_ONLY
+ /* Callback pointer is not used in buffer-only configuration.
+ * Having an int pointer here allows binary compatibility but
+ * gives an error if someone tries to assign callback function.
+ * Also, NULL pointer marks a 'sizing stream' that does not
+ * write anything.
+ */
+ int *callback;
+#else
+ bool (*callback)(pb_ostream_t *stream, const uint8_t *buf, size_t count);
+#endif
+ void *state; /* Free field for use by callback implementation. */
+ size_t max_size; /* Limit number of output bytes written (or use SIZE_MAX). */
+ size_t bytes_written; /* Number of bytes written so far. */
+
+#ifndef PB_NO_ERRMSG
+ const char *errmsg;
+#endif
+};
+
+/***************************
+ * Main encoding functions *
+ ***************************/
+
+/* Encode a single protocol buffers message from C structure into a stream.
+ * Returns true on success, false on any failure.
+ * The actual struct pointed to by src_struct must match the description in fields.
+ * All required fields in the struct are assumed to have been filled in.
+ *
+ * Example usage:
+ * MyMessage msg = {};
+ * uint8_t buffer[64];
+ * pb_ostream_t stream;
+ *
+ * msg.field1 = 42;
+ * stream = pb_ostream_from_buffer(buffer, sizeof(buffer));
+ * pb_encode(&stream, MyMessage_fields, &msg);
+ */
+bool pb_encode(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct);
+
+/* Same as pb_encode, but prepends the length of the message as a varint.
+ * Corresponds to writeDelimitedTo() in Google's protobuf API.
+ */
+bool pb_encode_delimited(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct);
+
+/* Encode the message to get the size of the encoded data, but do not store
+ * the data. */
+bool pb_get_encoded_size(size_t *size, const pb_field_t fields[], const void *src_struct);
+
+/**************************************
+ * Functions for manipulating streams *
+ **************************************/
+
+/* Create an output stream for writing into a memory buffer.
+ * The number of bytes written can be found in stream.bytes_written after
+ * encoding the message.
+ *
+ * Alternatively, you can use a custom stream that writes directly to e.g.
+ * a file or a network socket.
+ */
+pb_ostream_t pb_ostream_from_buffer(uint8_t *buf, size_t bufsize);
+
+/* Pseudo-stream for measuring the size of a message without actually storing
+ * the encoded data.
+ *
+ * Example usage:
+ * MyMessage msg = {};
+ * pb_ostream_t stream = PB_OSTREAM_SIZING;
+ * pb_encode(&stream, MyMessage_fields, &msg);
+ * printf("Message size is %d\n", stream.bytes_written);
+ */
+#ifndef PB_NO_ERRMSG
+#define PB_OSTREAM_SIZING {0,0,0,0,0}
+#else
+#define PB_OSTREAM_SIZING {0,0,0,0}
+#endif
+
+/* Function to write into a pb_ostream_t stream. You can use this if you need
+ * to append or prepend some custom headers to the message.
+ */
+bool pb_write(pb_ostream_t *stream, const uint8_t *buf, size_t count);
+
+
+/************************************************
+ * Helper functions for writing field callbacks *
+ ************************************************/
+
+/* Encode field header based on type and field number defined in the field
+ * structure. Call this from the callback before writing out field contents. */
+bool pb_encode_tag_for_field(pb_ostream_t *stream, const pb_field_t *field);
+
+/* Encode field header by manually specifing wire type. You need to use this
+ * if you want to write out packed arrays from a callback field. */
+bool pb_encode_tag(pb_ostream_t *stream, pb_wire_type_t wiretype, uint32_t field_number);
+
+/* Encode an integer in the varint format.
+ * This works for bool, enum, int32, int64, uint32 and uint64 field types. */
+bool pb_encode_varint(pb_ostream_t *stream, uint64_t value);
+
+/* Encode an integer in the zig-zagged svarint format.
+ * This works for sint32 and sint64. */
+bool pb_encode_svarint(pb_ostream_t *stream, int64_t value);
+
+/* Encode a string or bytes type field. For strings, pass strlen(s) as size. */
+bool pb_encode_string(pb_ostream_t *stream, const uint8_t *buffer, size_t size);
+
+/* Encode a fixed32, sfixed32 or float value.
+ * You need to pass a pointer to a 4-byte wide C variable. */
+bool pb_encode_fixed32(pb_ostream_t *stream, const void *value);
+
+/* Encode a fixed64, sfixed64 or double value.
+ * You need to pass a pointer to a 8-byte wide C variable. */
+bool pb_encode_fixed64(pb_ostream_t *stream, const void *value);
+
+/* Encode a submessage field.
+ * You need to pass the pb_field_t array and pointer to struct, just like
+ * with pb_encode(). This internally encodes the submessage twice, first to
+ * calculate message size and then to actually write it out.
+ */
+bool pb_encode_submessage(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
diff --git a/src/core/client_config/lb_policies/protos/load_balancer.options b/src/core/client_config/lb_policies/protos/load_balancer.options
new file mode 100644
index 0000000000000000000000000000000000000000..469a4c46c08cd312d667cf2c0240cb4b5b96737d
--- /dev/null
+++ b/src/core/client_config/lb_policies/protos/load_balancer.options
@@ -0,0 +1,5 @@
+grpc.lb.v0.InitialLoadBalanceRequest.name max_size:128
+grpc.lb.v0.InitialLoadBalanceResponse.client_config max_size:64
+grpc.lb.v0.InitialLoadBalanceResponse.load_balancer_delegate max_size:64
+grpc.lb.v0.Server.ip_address max_size:46
+grpc.lb.v0.Server.load_balance_token max_size:64
diff --git a/src/core/client_config/lb_policies/protos/load_balancer.proto b/src/core/client_config/lb_policies/protos/load_balancer.proto
new file mode 100644
index 0000000000000000000000000000000000000000..6c96e8d52c6a93314a8ca80708b9e32b3ecf3eeb
--- /dev/null
+++ b/src/core/client_config/lb_policies/protos/load_balancer.proto
@@ -0,0 +1,115 @@
+syntax = "proto3";
+
+package grpc.lb.v0;
+
+message Duration {
+
+ // Signed seconds of the span of time. Must be from -315,576,000,000
+ // to +315,576,000,000 inclusive.
+ int64 seconds = 1;
+
+ // Signed fractions of a second at nanosecond resolution of the span
+ // of time. Durations less than one second are represented with a 0
+ // `seconds` field and a positive or negative `nanos` field. For durations
+ // of one second or more, a non-zero value for the `nanos` field must be
+ // of the same sign as the `seconds` field. Must be from -999,999,999
+ // to +999,999,999 inclusive.
+ int32 nanos = 2;
+}
+
+service LoadBalancer {
+ // Bidirectional rpc to get a list of servers.
+ rpc BalanceLoad(stream LoadBalanceRequest)
+ returns (stream LoadBalanceResponse);
+}
+
+message LoadBalanceRequest {
+ oneof load_balance_request_type {
+ // This message should be sent on the first request to the load balancer.
+ InitialLoadBalanceRequest initial_request = 1;
+
+ // The client stats should be periodically reported to the load balancer
+ // based on the duration defined in the InitialLoadBalanceResponse.
+ ClientStats client_stats = 2;
+ }
+}
+
+message InitialLoadBalanceRequest {
+ // Name of load balanced service (IE, service.grpc.gslb.google.com)
+ string name = 1;
+}
+
+// Contains client level statistics that are useful to load balancing. Each
+// count should be reset to zero after reporting the stats.
+message ClientStats {
+ // The total number of requests sent by the client since the last report.
+ int64 total_requests = 1;
+
+ // The number of client rpc errors since the last report.
+ int64 client_rpc_errors = 2;
+
+ // The number of dropped requests since the last report.
+ int64 dropped_requests = 3;
+}
+
+message LoadBalanceResponse {
+ oneof load_balance_response_type {
+ // This message should be sent on the first response to the client.
+ InitialLoadBalanceResponse initial_response = 1;
+
+ // Contains the list of servers selected by the load balancer. The client
+ // should send requests to these servers in the specified order.
+ ServerList server_list = 2;
+ }
+}
+
+message InitialLoadBalanceResponse {
+ oneof initial_response_type {
+ // Contains gRPC config options like RPC deadline or flow control.
+ // TODO(yetianx): Change to ClientConfig after it is defined.
+ string client_config = 1;
+
+ // This is an application layer redirect that indicates the client should
+ // use the specified server for load balancing. When this field is set in
+ // the response, the client should open a separate connection to the
+ // load_balancer_delegate and call the BalanceLoad method.
+ string load_balancer_delegate = 2;
+ }
+
+ // This interval defines how often the client should send the client stats
+ // to the load balancer. Stats should only be reported when the duration is
+ // positive.
+ Duration client_stats_report_interval = 3;
+}
+
+message ServerList {
+ // Contains a list of servers selected by the load balancer. The list will
+ // be updated when server resolutions change or as needed to balance load
+ // across more servers. The client should consume the server list in order
+ // unless instructed otherwise via the client_config.
+ repeated Server servers = 1;
+
+ // Indicates the amount of time that the client should consider this server
+ // list as valid. It may be considered stale after waiting this interval of
+ // time after receiving the list. If the interval is not positive, the
+ // client can assume the list is valid until the next list is received.
+ Duration expiration_interval = 3;
+}
+
+message Server {
+ // A resolved address and port for the server. The IP address string may
+ // either be an IPv4 or IPv6 address.
+ string ip_address = 1;
+ int32 port = 2;
+
+ // An opaque token that is passed from the client to the server in metadata.
+ // The server may expect this token to indicate that the request from the
+ // client was load balanced.
+ // TODO(yetianx): Not used right now, and will be used after implementing
+ // load report.
+ bytes load_balance_token = 3;
+
+ // Indicates whether this particular request should be dropped by the client
+ // when this server is chosen from the list.
+ bool drop_request = 4;
+}
diff --git a/test/cpp/grpclb/grpclb_api_test.cc b/test/cpp/grpclb/grpclb_api_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ee18cdff88e97ec0c7dfe4d9728203275025f55a
--- /dev/null
+++ b/test/cpp/grpclb/grpclb_api_test.cc
@@ -0,0 +1,132 @@
+/*
+ *
+ * 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 <gtest/gtest.h>
+#include <string>
+
+#include "src/core/client_config/lb_policies/load_balancer_api.h"
+#include "src/core/client_config/lb_policies/protos/load_balancer.pb.h"
+
+namespace grpc {
+namespace {
+
+using grpc::lb::v0::LoadBalanceRequest;
+using grpc::lb::v0::LoadBalanceResponse;
+
+class GrpclbTest : public ::testing::Test {};
+
+TEST_F(GrpclbTest, CreateRequest) {
+ const std::string service_name = "AServiceName";
+ LoadBalanceRequest request;
+ grpc_grpclb_request* c_req = grpc_grpclb_request_create(service_name.c_str());
+ gpr_slice slice = grpc_grpclb_request_encode(c_req);
+ const int num_bytes_written = GPR_SLICE_LENGTH(slice);
+ EXPECT_GT(num_bytes_written, 0);
+ request.ParseFromArray(GPR_SLICE_START_PTR(slice), num_bytes_written);
+ EXPECT_EQ(request.initial_request().name(), service_name);
+ gpr_slice_unref(slice);
+ grpc_grpclb_request_destroy(c_req);
+}
+
+TEST_F(GrpclbTest, ParseResponse) {
+ LoadBalanceResponse response;
+ const std::string client_config_str = "I'm a client config";
+ auto* initial_response = response.mutable_initial_response();
+ initial_response->set_client_config(client_config_str);
+ auto* client_stats_report_interval =
+ initial_response->mutable_client_stats_report_interval();
+ client_stats_report_interval->set_seconds(123);
+ client_stats_report_interval->set_nanos(456);
+
+ const std::string encoded_response = response.SerializeAsString();
+ gpr_slice encoded_slice = gpr_slice_from_copied_string(encoded_response.c_str());
+ grpc_grpclb_response* c_response =
+ grpc_grpclb_response_parse(encoded_slice);
+ EXPECT_TRUE(c_response->has_initial_response);
+ EXPECT_TRUE(c_response->initial_response.has_client_config);
+ EXPECT_FALSE(c_response->initial_response.has_load_balancer_delegate);
+ EXPECT_TRUE(strcmp(c_response->initial_response.client_config,
+ client_config_str.c_str()) == 0);
+ EXPECT_EQ(c_response->initial_response.client_stats_report_interval.seconds,
+ 123);
+ EXPECT_EQ(c_response->initial_response.client_stats_report_interval.nanos,
+ 456);
+ gpr_slice_unref(encoded_slice);
+ grpc_grpclb_response_destroy(c_response);
+}
+
+TEST_F(GrpclbTest, ParseResponseServerList) {
+ LoadBalanceResponse response;
+ auto* serverlist = response.mutable_server_list();
+ auto* server = serverlist->add_servers();
+ server->set_ip_address("127.0.0.1");
+ server->set_port(12345);
+ server->set_drop_request(true);
+ server = response.mutable_server_list()->add_servers();
+ server->set_ip_address("10.0.0.1");
+ server->set_port(54321);
+ server->set_drop_request(false);
+ auto* expiration_interval = serverlist->mutable_expiration_interval();
+ expiration_interval->set_seconds(888);
+ expiration_interval->set_nanos(999);
+
+ const std::string encoded_response = response.SerializeAsString();
+ gpr_slice encoded_slice = gpr_slice_from_copied_string(encoded_response.c_str());
+ grpc_grpclb_serverlist *c_serverlist =
+ grpc_grpclb_response_parse_serverlist(encoded_slice);
+ ASSERT_EQ(c_serverlist->num_servers, 2ul);
+ EXPECT_TRUE(c_serverlist->servers[0]->has_ip_address);
+ EXPECT_TRUE(strcmp(c_serverlist->servers[0]->ip_address, "127.0.0.1") == 0);
+ EXPECT_EQ(c_serverlist->servers[0]->port, 12345);
+ EXPECT_TRUE(c_serverlist->servers[0]->drop_request);
+ EXPECT_TRUE(c_serverlist->servers[1]->has_ip_address);
+ EXPECT_TRUE(strcmp(c_serverlist->servers[1]->ip_address, "10.0.0.1") == 0);
+ EXPECT_EQ(c_serverlist->servers[1]->port, 54321);
+ EXPECT_FALSE(c_serverlist->servers[1]->drop_request);
+
+ EXPECT_TRUE(c_serverlist->expiration_interval.has_seconds);
+ EXPECT_EQ(c_serverlist->expiration_interval.seconds, 888);
+ EXPECT_TRUE(c_serverlist->expiration_interval.has_nanos);
+ EXPECT_EQ(c_serverlist->expiration_interval.nanos, 999);
+
+ gpr_slice_unref(encoded_slice);
+ grpc_grpclb_destroy_serverlist(c_serverlist);
+}
+
+} // namespace
+} // namespace grpc
+
+int main(int argc, char** argv) {
+ ::testing::InitGoogleTest(&argc, argv);
+ return RUN_ALL_TESTS();
+}
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 0ab0656265f5887c28ac1a2835891606a29ebf0d..95421e88b6a584564cdc0a275696ac5b84fde25e 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -793,6 +793,12 @@ src/core/channel/http_server_filter.h \
src/core/channel/noop_filter.h \
src/core/client_config/client_config.h \
src/core/client_config/connector.h \
+src/core/client_config/lb_policies/load_balancer.pb.h \
+src/core/client_config/lb_policies/load_balancer_api.h \
+src/core/client_config/lb_policies/nanopb/pb.h \
+src/core/client_config/lb_policies/nanopb/pb_common.h \
+src/core/client_config/lb_policies/nanopb/pb_decode.h \
+src/core/client_config/lb_policies/nanopb/pb_encode.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 \
@@ -929,6 +935,11 @@ src/core/channel/http_server_filter.c \
src/core/channel/noop_filter.c \
src/core/client_config/client_config.c \
src/core/client_config/connector.c \
+src/core/client_config/lb_policies/load_balancer.pb.c \
+src/core/client_config/lb_policies/load_balancer_api.c \
+src/core/client_config/lb_policies/nanopb/pb_common.c \
+src/core/client_config/lb_policies/nanopb/pb_decode.c \
+src/core/client_config/lb_policies/nanopb/pb_encode.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 \
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 0f4e4874b7501994bb7a07ea3b5dd9e0af9412e2..09b9e05bcc9a6db6433e1c1ec865fc6fab73ab9b 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -1364,6 +1364,22 @@
"src/compiler/ruby_plugin.cc"
]
},
+ {
+ "deps": [
+ "gpr",
+ "grpc",
+ "grpc++"
+ ],
+ "headers": [
+ "src/core/client_config/lb_policies/protos/load_balancer.grpc.pb.h",
+ "src/core/client_config/lb_policies/protos/load_balancer.pb.h"
+ ],
+ "language": "c++",
+ "name": "grpclb_api_test",
+ "src": [
+ "test/cpp/grpclb/grpclb_api_test.cc"
+ ]
+ },
{
"deps": [
"gpr",
@@ -13283,6 +13299,12 @@
"src/core/channel/noop_filter.h",
"src/core/client_config/client_config.h",
"src/core/client_config/connector.h",
+ "src/core/client_config/lb_policies/load_balancer.pb.h",
+ "src/core/client_config/lb_policies/load_balancer_api.h",
+ "src/core/client_config/lb_policies/nanopb/pb.h",
+ "src/core/client_config/lb_policies/nanopb/pb_common.h",
+ "src/core/client_config/lb_policies/nanopb/pb_decode.h",
+ "src/core/client_config/lb_policies/nanopb/pb_encode.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",
@@ -13439,6 +13461,17 @@
"src/core/client_config/client_config.h",
"src/core/client_config/connector.c",
"src/core/client_config/connector.h",
+ "src/core/client_config/lb_policies/load_balancer.pb.c",
+ "src/core/client_config/lb_policies/load_balancer.pb.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/nanopb/pb.h",
+ "src/core/client_config/lb_policies/nanopb/pb_common.c",
+ "src/core/client_config/lb_policies/nanopb/pb_common.h",
+ "src/core/client_config/lb_policies/nanopb/pb_decode.c",
+ "src/core/client_config/lb_policies/nanopb/pb_decode.h",
+ "src/core/client_config/lb_policies/nanopb/pb_encode.c",
+ "src/core/client_config/lb_policies/nanopb/pb_encode.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",
@@ -13792,6 +13825,12 @@
"src/core/channel/noop_filter.h",
"src/core/client_config/client_config.h",
"src/core/client_config/connector.h",
+ "src/core/client_config/lb_policies/load_balancer.pb.h",
+ "src/core/client_config/lb_policies/load_balancer_api.h",
+ "src/core/client_config/lb_policies/nanopb/pb.h",
+ "src/core/client_config/lb_policies/nanopb/pb_common.h",
+ "src/core/client_config/lb_policies/nanopb/pb_decode.h",
+ "src/core/client_config/lb_policies/nanopb/pb_encode.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",
@@ -13934,6 +13973,17 @@
"src/core/client_config/client_config.h",
"src/core/client_config/connector.c",
"src/core/client_config/connector.h",
+ "src/core/client_config/lb_policies/load_balancer.pb.c",
+ "src/core/client_config/lb_policies/load_balancer.pb.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/nanopb/pb.h",
+ "src/core/client_config/lb_policies/nanopb/pb_common.c",
+ "src/core/client_config/lb_policies/nanopb/pb_common.h",
+ "src/core/client_config/lb_policies/nanopb/pb_decode.c",
+ "src/core/client_config/lb_policies/nanopb/pb_decode.h",
+ "src/core/client_config/lb_policies/nanopb/pb_encode.c",
+ "src/core/client_config/lb_policies/nanopb/pb_encode.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",
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index a8366e05abe741bfbf99d92a8555fb204d8c3e08..9eeddc0fdcc69cde705b270d136cc2991a768093 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -1463,6 +1463,24 @@
"windows"
]
},
+ {
+ "ci_platforms": [
+ "linux",
+ "mac",
+ "posix",
+ "windows"
+ ],
+ "exclude_configs": [],
+ "flaky": false,
+ "language": "c++",
+ "name": "grpclb_api_test",
+ "platforms": [
+ "linux",
+ "mac",
+ "posix",
+ "windows"
+ ]
+ },
{
"ci_platforms": [
"linux",
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index dc85131dc3f9158106e7567894fdd114e2645129..facd42287377e22d7189bad1237922131b9b08ed 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -279,6 +279,12 @@
<ClInclude Include="..\..\..\src\core\channel\noop_filter.h" />
<ClInclude Include="..\..\..\src\core\client_config\client_config.h" />
<ClInclude Include="..\..\..\src\core\client_config\connector.h" />
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\load_balancer.pb.h" />
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.h" />
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb.h" />
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_common.h" />
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_decode.h" />
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_encode.h" />
<ClInclude Include="..\..\..\src\core\client_config\lb_policies\pick_first.h" />
<ClInclude Include="..\..\..\src\core\client_config\lb_policies\round_robin.h" />
<ClInclude Include="..\..\..\src\core\client_config\lb_policy.h" />
@@ -451,6 +457,16 @@
</ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\connector.c">
</ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\load_balancer.pb.c">
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.c">
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_common.c">
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_decode.c">
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_encode.c">
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\lb_policies\pick_first.c">
</ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\lb_policies\round_robin.c">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index 66dd86e239565e7a438f80420cd2f6a23732ca46..bc40555cceaae7ff6dea73b6aa3709c1489f2fbd 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -103,6 +103,21 @@
<ClCompile Include="..\..\..\src\core\client_config\connector.c">
<Filter>src\core\client_config</Filter>
</ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\load_balancer.pb.c">
+ <Filter>src\core\client_config\lb_policies</Filter>
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.c">
+ <Filter>src\core\client_config\lb_policies</Filter>
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_common.c">
+ <Filter>src\core\client_config\lb_policies\nanopb</Filter>
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_decode.c">
+ <Filter>src\core\client_config\lb_policies\nanopb</Filter>
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_encode.c">
+ <Filter>src\core\client_config\lb_policies\nanopb</Filter>
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\lb_policies\pick_first.c">
<Filter>src\core\client_config\lb_policies</Filter>
</ClCompile>
@@ -548,6 +563,24 @@
<ClInclude Include="..\..\..\src\core\client_config\connector.h">
<Filter>src\core\client_config</Filter>
</ClInclude>
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\load_balancer.pb.h">
+ <Filter>src\core\client_config\lb_policies</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.h">
+ <Filter>src\core\client_config\lb_policies</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb.h">
+ <Filter>src\core\client_config\lb_policies\nanopb</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_common.h">
+ <Filter>src\core\client_config\lb_policies\nanopb</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_decode.h">
+ <Filter>src\core\client_config\lb_policies\nanopb</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_encode.h">
+ <Filter>src\core\client_config\lb_policies\nanopb</Filter>
+ </ClInclude>
<ClInclude Include="..\..\..\src\core\client_config\lb_policies\pick_first.h">
<Filter>src\core\client_config\lb_policies</Filter>
</ClInclude>
@@ -881,6 +914,9 @@
<Filter Include="src\core\client_config\lb_policies">
<UniqueIdentifier>{a3eca4d5-f760-61a6-7251-556b828c8b44}</UniqueIdentifier>
</Filter>
+ <Filter Include="src\core\client_config\lb_policies\nanopb">
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+ </Filter>
<Filter Include="src\core\client_config\resolvers">
<UniqueIdentifier>{6d97b8d9-2c15-927a-892a-709d073c02ab}</UniqueIdentifier>
</Filter>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index d3e2fddcb3972aa885832f61fdc31c8e3d4deab8..2789a59cca494e0bf7a1659458e5fb4f5c904502 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -258,6 +258,12 @@
<ClInclude Include="..\..\..\src\core\channel\noop_filter.h" />
<ClInclude Include="..\..\..\src\core\client_config\client_config.h" />
<ClInclude Include="..\..\..\src\core\client_config\connector.h" />
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\load_balancer.pb.h" />
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.h" />
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb.h" />
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_common.h" />
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_decode.h" />
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_encode.h" />
<ClInclude Include="..\..\..\src\core\client_config\lb_policies\pick_first.h" />
<ClInclude Include="..\..\..\src\core\client_config\lb_policies\round_robin.h" />
<ClInclude Include="..\..\..\src\core\client_config\lb_policy.h" />
@@ -390,6 +396,16 @@
</ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\connector.c">
</ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\load_balancer.pb.c">
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.c">
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_common.c">
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_decode.c">
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_encode.c">
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\lb_policies\pick_first.c">
</ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\lb_policies\round_robin.c">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index e19c6dd32710e506306c9d71d21152cf889ed310..5f383505035e0037cd97dd1edad080cbe9e718c2 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -43,6 +43,21 @@
<ClCompile Include="..\..\..\src\core\client_config\connector.c">
<Filter>src\core\client_config</Filter>
</ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\load_balancer.pb.c">
+ <Filter>src\core\client_config\lb_policies</Filter>
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.c">
+ <Filter>src\core\client_config\lb_policies</Filter>
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_common.c">
+ <Filter>src\core\client_config\lb_policies\nanopb</Filter>
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_decode.c">
+ <Filter>src\core\client_config\lb_policies\nanopb</Filter>
+ </ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_encode.c">
+ <Filter>src\core\client_config\lb_policies\nanopb</Filter>
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\lb_policies\pick_first.c">
<Filter>src\core\client_config\lb_policies</Filter>
</ClCompile>
@@ -446,6 +461,24 @@
<ClInclude Include="..\..\..\src\core\client_config\connector.h">
<Filter>src\core\client_config</Filter>
</ClInclude>
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\load_balancer.pb.h">
+ <Filter>src\core\client_config\lb_policies</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.h">
+ <Filter>src\core\client_config\lb_policies</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb.h">
+ <Filter>src\core\client_config\lb_policies\nanopb</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_common.h">
+ <Filter>src\core\client_config\lb_policies\nanopb</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_decode.h">
+ <Filter>src\core\client_config\lb_policies\nanopb</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\nanopb\pb_encode.h">
+ <Filter>src\core\client_config\lb_policies\nanopb</Filter>
+ </ClInclude>
<ClInclude Include="..\..\..\src\core\client_config\lb_policies\pick_first.h">
<Filter>src\core\client_config\lb_policies</Filter>
</ClInclude>
@@ -779,6 +812,9 @@
<Filter Include="src\core\client_config\lb_policies">
<UniqueIdentifier>{308af086-46c7-fa66-9021-19b1c3d4a6bd}</UniqueIdentifier>
</Filter>
+ <Filter Include="src\core\client_config\lb_policies\nanopb">
+ <UniqueIdentifier>{eeb1f8a9-3ca0-1b5e-8951-37665ade848f}</UniqueIdentifier>
+ </Filter>
<Filter Include="src\core\client_config\resolvers">
<UniqueIdentifier>{dd617c24-6f07-fdff-80d5-c8610d6f815e}</UniqueIdentifier>
</Filter>
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new file mode 100644
index 0000000000000000000000000000000000000000..52666785c0971993056fed34836b02edb296bca0
--- /dev/null
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@@ -0,0 +1,191 @@
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+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Release|x64">
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+ <Platform>x64</Platform>
+ </ProjectConfiguration>
+ </ItemGroup>
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+ <ImportGroup Label="ExtensionSettings">
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+ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+ <Import Project="..\..\..\..\vsprojects\cpptest.props" />
+ <Import Project="..\..\..\..\vsprojects\global.props" />
+ <Import Project="..\..\..\..\vsprojects\openssl.props" />
+ <Import Project="..\..\..\..\vsprojects\protobuf.props" />
+ <Import Project="..\..\..\..\vsprojects\winsock.props" />
+ <Import Project="..\..\..\..\vsprojects\zlib.props" />
+ </ImportGroup>
+ <PropertyGroup Label="UserMacros" />
+ <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+ <TargetName>grpclb_api_test</TargetName>
+ <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+ <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+ <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)'=='Release'">
+ <TargetName>grpclb_api_test</TargetName>
+ <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+ <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+ <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
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+ <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
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+ <Link>
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diff --git a/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj.filters b/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..73cbf04b51d44cb934393f7a6435ff8473403006
--- /dev/null
+++ b/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj.filters
@@ -0,0 +1,39 @@
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