Merge pull request #15270 from apolcyn/add_interop_server_buildopts

Add a way to set ServerBuilderOptions on C++ interop server

test/cpp/interop/interop_server.cc

@@ -318,12 +318,27 @@ class TestServiceImpl : public TestService::Service {
 
 void grpc::testing::interop::RunServer(
     std::shared_ptr<ServerCredentials> creds) {
-  RunServer(creds, FLAGS_port, nullptr);
+  RunServer(creds, FLAGS_port, nullptr, nullptr);
+}
+
+void grpc::testing::interop::RunServer(
+    std::shared_ptr<ServerCredentials> creds,
+    std::unique_ptr<std::vector<std::unique_ptr<ServerBuilderOption>>>
+        server_options) {
+  RunServer(creds, FLAGS_port, nullptr, std::move(server_options));
 }
 
 void grpc::testing::interop::RunServer(
     std::shared_ptr<ServerCredentials> creds, const int port,
     ServerStartedCondition* server_started_condition) {
+  RunServer(creds, FLAGS_port, server_started_condition, nullptr);
+}
+
+void grpc::testing::interop::RunServer(
+    std::shared_ptr<ServerCredentials> creds, const int port,
+    ServerStartedCondition* server_started_condition,
+    std::unique_ptr<std::vector<std::unique_ptr<ServerBuilderOption>>>
+        server_options) {
   GPR_ASSERT(port != 0);
   std::ostringstream server_address;
   server_address << "0.0.0.0:" << port;
@@ -335,6 +350,11 @@ void grpc::testing::interop::RunServer(
   ServerBuilder builder;
   builder.RegisterService(&service);
   builder.AddListeningPort(server_address.str(), creds);
+  if (server_options != nullptr) {
+    for (size_t i = 0; i < server_options->size(); i++) {
+      builder.SetOption(std::move((*server_options)[i]));
+    }
+  }
   if (FLAGS_max_send_message_size >= 0) {
     builder.SetMaxSendMessageSize(FLAGS_max_send_message_size);
   }

test/cpp/interop/server_helper.h

@@ -26,6 +26,8 @@
 #include <grpc/impl/codegen/atm.h>
 
 #include <grpcpp/security/server_credentials.h>
+#include <grpcpp/server.h>
+#include <grpcpp/server_builder.h>
 #include <grpcpp/server_context.h>
 
 namespace grpc {
@@ -72,6 +74,28 @@ void RunServer(std::shared_ptr<ServerCredentials> creds);
 void RunServer(std::shared_ptr<ServerCredentials> creds, int port,
                ServerStartedCondition* server_started_condition);
 
+/// Run gRPC interop server.
+///
+/// \param creds The credentials associated with the server.
+/// \param server_options List of options to set when building the server.
+void RunServer(
+    std::shared_ptr<ServerCredentials> creds,
+    std::unique_ptr<std::vector<std::unique_ptr<ServerBuilderOption>>>
+        server_options);
+
+/// Run gRPC interop server.
+///
+/// \param creds The credentials associated with the server.
+/// \param port Port to use for the server.
+/// \param server_options List of options to set when building the server.
+/// \param server_started_condition (optional) Struct holding mutex, condition
+//     variable, and condition used to notify when the server has started.
+void RunServer(
+    std::shared_ptr<ServerCredentials> creds, const int port,
+    ServerStartedCondition* server_started_condition,
+    std::unique_ptr<std::vector<std::unique_ptr<grpc::ServerBuilderOption>>>
+        server_options);
+
 }  // namespace interop
 }  // namespace testing
 }  // namespace grpc