Server builder plugin

1 files changed, 16 insertions, 0 deletions

diff --git a/src/cpp/server/server_builder.cc b/src/cpp/server/server_builder.cc
index 68cc38258c..5dc73ed1e4 100644
--- a/src/cpp/server/server_builder.cc
+++ b/src/cpp/server/server_builder.cc
@@ -96,6 +96,15 @@ std::unique_ptr<Server> ServerBuilder::BuildAndStart() {
   ChannelArguments args;
   for (auto option = options_.begin(); option != options_.end(); ++option) {
     (*option)->UpdateArguments(&args);
+    (*option)->UpdatePlugins(&plugins_);
+  }
+  if (thread_pool == nullptr) {
+    for (auto plugin = plugins_.begin(); plugin != plugins_.end(); plugin++) {
+      if ((*plugin).second->has_sync_methods()) {
+        thread_pool.reset(CreateDefaultThreadPool());
+        break;
+      }
+    }
   }
   if (max_message_size_ > 0) {
     args.SetInt(GRPC_ARG_MAX_MESSAGE_LENGTH, max_message_size_);
@@ -104,6 +113,7 @@ std::unique_ptr<Server> ServerBuilder::BuildAndStart() {
               compression_options_.enabled_algorithms_bitset);
   std::unique_ptr<Server> server(
       new Server(thread_pool.release(), true, max_message_size_, &args));
+  ServerInitializer* initializer = server->initializer();
   for (auto cq = cqs_.begin(); cq != cqs_.end(); ++cq) {
     grpc_server_register_completion_queue(server->server_, (*cq)->cq(),
                                           nullptr);
@@ -114,6 +124,9 @@ std::unique_ptr<Server> ServerBuilder::BuildAndStart() {
       return nullptr;
     }
   }
+  for (auto plugin = plugins_.begin(); plugin != plugins_.end(); plugin++) {
+    (*plugin).second->InitServer(initializer);
+  }
   if (generic_service_) {
     server->RegisterAsyncGenericService(generic_service_);
   } else {
@@ -137,6 +150,9 @@ std::unique_ptr<Server> ServerBuilder::BuildAndStart() {
   if (!server->Start(cqs_data, cqs_.size())) {
     return nullptr;
   }
+  for (auto plugin = plugins_.begin(); plugin != plugins_.end(); plugin++) {
+    (*plugin).second->Finish(initializer);
+  }
   return server;
 }