From 0b541630192d676169b785488fc08c0e863fff62 Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Tue, 5 Apr 2016 17:21:05 -0700
Subject: [PATCH] Fixing client_config init

---
 BUILD                                         |  3 +++
 Makefile                                      |  2 ++
 binding.gyp                                   |  1 +
 build.yaml                                    |  1 +
 config.m4                                     |  1 +
 gRPC.podspec                                  |  1 +
 grpc.gemspec                                  |  1 +
 package.json                                  |  1 +
 package.xml                                   |  1 +
 .../ext/client_config/client_config_plugin.c  | 25 ++++++++++++++++---
 src/core/lib/channel/channel_stack_builder.c  |  5 ++++
 src/core/lib/channel/channel_stack_builder.h  |  4 +++
 src/core/lib/surface/init.c                   |  4 ---
 src/python/grpcio/grpc_core_dependencies.py   |  1 +
 tools/doxygen/Doxyfile.core.internal          |  1 +
 tools/run_tests/sources_and_headers.json      |  1 +
 vsprojects/vcxproj/grpc/grpc.vcxproj          |  2 ++
 vsprojects/vcxproj/grpc/grpc.vcxproj.filters  |  3 +++
 .../grpc_unsecure/grpc_unsecure.vcxproj       |  2 ++
 .../grpc_unsecure.vcxproj.filters             |  3 +++
 20 files changed, 56 insertions(+), 7 deletions(-)

diff --git a/BUILD b/BUILD
index 3367894079..142c78bd17 100644
--- a/BUILD
+++ b/BUILD
@@ -303,6 +303,7 @@ cc_library(
     "src/core/ext/client_config/client_channel.c",
     "src/core/ext/client_config/client_channel_factory.c",
     "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
     "src/core/ext/client_config/connector.c",
     "src/core/ext/client_config/default_initial_connect_string.c",
     "src/core/ext/client_config/initial_connect_string.c",
@@ -654,6 +655,7 @@ cc_library(
     "src/core/ext/client_config/client_channel.c",
     "src/core/ext/client_config/client_channel_factory.c",
     "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
     "src/core/ext/client_config/connector.c",
     "src/core/ext/client_config/default_initial_connect_string.c",
     "src/core/ext/client_config/initial_connect_string.c",
@@ -1363,6 +1365,7 @@ objc_library(
     "src/core/ext/client_config/client_channel.c",
     "src/core/ext/client_config/client_channel_factory.c",
     "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
     "src/core/ext/client_config/connector.c",
     "src/core/ext/client_config/default_initial_connect_string.c",
     "src/core/ext/client_config/initial_connect_string.c",
diff --git a/Makefile b/Makefile
index e7b3ca8a1e..001a4d8fa3 100644
--- a/Makefile
+++ b/Makefile
@@ -2455,6 +2455,7 @@ LIBGRPC_SRC = \
     src/core/ext/client_config/client_channel.c \
     src/core/ext/client_config/client_channel_factory.c \
     src/core/ext/client_config/client_config.c \
+    src/core/ext/client_config/client_config_plugin.c \
     src/core/ext/client_config/connector.c \
     src/core/ext/client_config/default_initial_connect_string.c \
     src/core/ext/client_config/initial_connect_string.c \
@@ -2815,6 +2816,7 @@ LIBGRPC_UNSECURE_SRC = \
     src/core/ext/client_config/client_channel.c \
     src/core/ext/client_config/client_channel_factory.c \
     src/core/ext/client_config/client_config.c \
+    src/core/ext/client_config/client_config_plugin.c \
     src/core/ext/client_config/connector.c \
     src/core/ext/client_config/default_initial_connect_string.c \
     src/core/ext/client_config/initial_connect_string.c \
diff --git a/binding.gyp b/binding.gyp
index 508bf6bb5c..9349665e19 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -571,6 +571,7 @@
         'src/core/ext/client_config/client_channel.c',
         'src/core/ext/client_config/client_channel_factory.c',
         'src/core/ext/client_config/client_config.c',
+        'src/core/ext/client_config/client_config_plugin.c',
         'src/core/ext/client_config/connector.c',
         'src/core/ext/client_config/default_initial_connect_string.c',
         'src/core/ext/client_config/initial_connect_string.c',
diff --git a/build.yaml b/build.yaml
index e33355ab13..8732967c8b 100644
--- a/build.yaml
+++ b/build.yaml
@@ -446,6 +446,7 @@ filegroups:
   - src/core/ext/client_config/client_channel.c
   - src/core/ext/client_config/client_channel_factory.c
   - src/core/ext/client_config/client_config.c
+  - src/core/ext/client_config/client_config_plugin.c
   - src/core/ext/client_config/connector.c
   - src/core/ext/client_config/default_initial_connect_string.c
   - src/core/ext/client_config/initial_connect_string.c
diff --git a/config.m4 b/config.m4
index ecdc0f83ce..6492999c16 100644
--- a/config.m4
+++ b/config.m4
@@ -93,6 +93,7 @@ if test "$PHP_GRPC" != "no"; then
     src/core/ext/client_config/client_channel.c \
     src/core/ext/client_config/client_channel_factory.c \
     src/core/ext/client_config/client_config.c \
+    src/core/ext/client_config/client_config_plugin.c \
     src/core/ext/client_config/connector.c \
     src/core/ext/client_config/default_initial_connect_string.c \
     src/core/ext/client_config/initial_connect_string.c \
diff --git a/gRPC.podspec b/gRPC.podspec
index 75c444caaa..fb21b2dd5e 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -322,6 +322,7 @@ Pod::Spec.new do |s|
                       'src/core/ext/client_config/client_channel.c',
                       'src/core/ext/client_config/client_channel_factory.c',
                       'src/core/ext/client_config/client_config.c',
+                      'src/core/ext/client_config/client_config_plugin.c',
                       'src/core/ext/client_config/connector.c',
                       'src/core/ext/client_config/default_initial_connect_string.c',
                       'src/core/ext/client_config/initial_connect_string.c',
diff --git a/grpc.gemspec b/grpc.gemspec
index 7e30d791ad..e1dce54939 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -305,6 +305,7 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/ext/client_config/client_channel.c )
   s.files += %w( src/core/ext/client_config/client_channel_factory.c )
   s.files += %w( src/core/ext/client_config/client_config.c )
+  s.files += %w( src/core/ext/client_config/client_config_plugin.c )
   s.files += %w( src/core/ext/client_config/connector.c )
   s.files += %w( src/core/ext/client_config/default_initial_connect_string.c )
   s.files += %w( src/core/ext/client_config/initial_connect_string.c )
diff --git a/package.json b/package.json
index 4c05b673cf..f367935d02 100644
--- a/package.json
+++ b/package.json
@@ -248,6 +248,7 @@
     "src/core/ext/client_config/client_channel.c",
     "src/core/ext/client_config/client_channel_factory.c",
     "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
     "src/core/ext/client_config/connector.c",
     "src/core/ext/client_config/default_initial_connect_string.c",
     "src/core/ext/client_config/initial_connect_string.c",
diff --git a/package.xml b/package.xml
index 5c1fb82d0e..5ac9c8d402 100644
--- a/package.xml
+++ b/package.xml
@@ -309,6 +309,7 @@
     <file baseinstalldir="/" name="src/core/ext/client_config/client_channel.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/client_channel_factory.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/client_config.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/client_config_plugin.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/connector.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/default_initial_connect_string.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/initial_connect_string.c" role="src" />
diff --git a/src/core/ext/client_config/client_config_plugin.c b/src/core/ext/client_config/client_config_plugin.c
index 2ca72616d4..aac57b5e6a 100644
--- a/src/core/ext/client_config/client_config_plugin.c
+++ b/src/core/ext/client_config/client_config_plugin.c
@@ -32,10 +32,27 @@
  */
 
 #include <limits.h>
+#include <stdbool.h>
+#include <string.h>
+
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/subchannel_index.h"
+#include "src/core/lib/surface/channel_init.h"
+
+#ifndef GRPC_DEFAULT_NAME_PREFIX
+#define GRPC_DEFAULT_NAME_PREFIX "dns:///"
+#endif
+
+static bool append_filter(grpc_channel_stack_builder *builder, void *arg) {
+  return grpc_channel_stack_builder_append_filter(
+      builder, (const grpc_channel_filter *)arg, NULL, NULL);
+}
 
 static bool set_default_host_if_unset(grpc_channel_stack_builder *builder,
-                                      void *arg) {
-  grpc_channel_args *args =
+                                      void *unused) {
+  const grpc_channel_args *args =
       grpc_channel_stack_builder_get_channel_arguments(builder);
   for (size_t i = 0; i < args->num_args; i++) {
     if (0 == strcmp(args->args[i].key, GRPC_ARG_DEFAULT_AUTHORITY)) {
@@ -45,9 +62,11 @@ static bool set_default_host_if_unset(grpc_channel_stack_builder *builder,
   grpc_arg arg;
   arg.type = GRPC_ARG_STRING;
   arg.key = GRPC_ARG_DEFAULT_AUTHORITY;
-  arg.value.string = grpc_get_default_authority();
+  arg.value.string = grpc_get_default_authority(
+      grpc_channel_stack_builder_get_target(builder));
   grpc_channel_stack_builder_set_channel_arguments(
       builder, grpc_channel_args_copy_and_add(args, &arg, 1));
+  return true;
 }
 
 void grpc_client_config_init(void) {
diff --git a/src/core/lib/channel/channel_stack_builder.c b/src/core/lib/channel/channel_stack_builder.c
index f7544c9fbf..831736ad7a 100644
--- a/src/core/lib/channel/channel_stack_builder.c
+++ b/src/core/lib/channel/channel_stack_builder.c
@@ -84,6 +84,11 @@ void grpc_channel_stack_builder_set_target(grpc_channel_stack_builder *b,
   b->target = gpr_strdup(target);
 }
 
+const char *grpc_channel_stack_builder_get_target(
+    grpc_channel_stack_builder *b) {
+  return b->target;
+}
+
 static grpc_channel_stack_builder_iterator *create_iterator_at_filter_node(
     grpc_channel_stack_builder *builder, filter_node *node) {
   grpc_channel_stack_builder_iterator *it = gpr_malloc(sizeof(*it));
diff --git a/src/core/lib/channel/channel_stack_builder.h b/src/core/lib/channel/channel_stack_builder.h
index 752c65d573..0e6bfd9aa6 100644
--- a/src/core/lib/channel/channel_stack_builder.h
+++ b/src/core/lib/channel/channel_stack_builder.h
@@ -55,6 +55,10 @@ void grpc_channel_stack_builder_set_name(grpc_channel_stack_builder *builder,
 /// Set the target uri
 void grpc_channel_stack_builder_set_target(grpc_channel_stack_builder *b,
                                            const char *target);
+
+const char *grpc_channel_stack_builder_get_target(
+    grpc_channel_stack_builder *b);
+
 /// Attach \a transport to the builder (does not take ownership)
 void grpc_channel_stack_builder_set_transport(
     grpc_channel_stack_builder *builder, grpc_transport *transport);
diff --git a/src/core/lib/surface/init.c b/src/core/lib/surface/init.c
index 9c0448d422..06c5dd4a31 100644
--- a/src/core/lib/surface/init.c
+++ b/src/core/lib/surface/init.c
@@ -59,10 +59,6 @@
 #include "src/core/lib/transport/connectivity_state.h"
 #include "src/core/lib/transport/transport_impl.h"
 
-#ifndef GRPC_DEFAULT_NAME_PREFIX
-#define GRPC_DEFAULT_NAME_PREFIX "dns:///"
-#endif
-
 /* (generated) built in registry of plugins */
 extern void grpc_register_built_in_plugins(void);
 
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index ee5c34c849..62a0f463e2 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -87,6 +87,7 @@ CORE_SOURCE_FILES = [
   'src/core/ext/client_config/client_channel.c',
   'src/core/ext/client_config/client_channel_factory.c',
   'src/core/ext/client_config/client_config.c',
+  'src/core/ext/client_config/client_config_plugin.c',
   'src/core/ext/client_config/connector.c',
   'src/core/ext/client_config/default_initial_connect_string.c',
   'src/core/ext/client_config/initial_connect_string.c',
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 859a3500fd..14d8b6d9e2 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -921,6 +921,7 @@ src/core/ext/client_config/channel_connectivity.c \
 src/core/ext/client_config/client_channel.c \
 src/core/ext/client_config/client_channel_factory.c \
 src/core/ext/client_config/client_config.c \
+src/core/ext/client_config/client_config_plugin.c \
 src/core/ext/client_config/connector.c \
 src/core/ext/client_config/default_initial_connect_string.c \
 src/core/ext/client_config/initial_connect_string.c \
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index dfd0815cdb..0291445a2f 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -5824,6 +5824,7 @@
       "src/core/ext/client_config/client_channel_factory.h", 
       "src/core/ext/client_config/client_config.c", 
       "src/core/ext/client_config/client_config.h", 
+      "src/core/ext/client_config/client_config_plugin.c", 
       "src/core/ext/client_config/connector.c", 
       "src/core/ext/client_config/connector.h", 
       "src/core/ext/client_config/default_initial_connect_string.c", 
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index f276bb8ca1..9cecf4118b 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -445,6 +445,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config_plugin.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\connector.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\default_initial_connect_string.c">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index 124180c061..b1d000b914 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -40,6 +40,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config.c">
       <Filter>src\core\ext\client_config</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config_plugin.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\connector.c">
       <Filter>src\core\ext\client_config</Filter>
     </ClCompile>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index a63f5e1911..1a9a6c12f4 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -421,6 +421,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config_plugin.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\connector.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\default_initial_connect_string.c">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index 1f65ebb511..bab9e4dcfb 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -40,6 +40,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config.c">
       <Filter>src\core\ext\client_config</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config_plugin.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\connector.c">
       <Filter>src\core\ext\client_config</Filter>
     </ClCompile>
-- 
GitLab