1 // 2 // 3 // Copyright 2018 gRPC authors. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 // 17 // 18 19 #ifndef GRPC_SRC_CPP_SERVER_LOAD_REPORTER_LOAD_REPORTING_SERVICE_SERVER_BUILDER_PLUGIN_H 20 #define GRPC_SRC_CPP_SERVER_LOAD_REPORTER_LOAD_REPORTING_SERVICE_SERVER_BUILDER_PLUGIN_H 21 22 #include <grpc/support/port_platform.h> 23 #include <grpcpp/grpcpp.h> 24 #include <grpcpp/impl/server_builder_plugin.h> 25 #include <grpcpp/server_builder.h> 26 #include <grpcpp/support/channel_arguments.h> 27 28 #include <memory> 29 #include <string> 30 31 #include "src/cpp/server/load_reporter/load_reporter_async_service_impl.h" 32 33 namespace grpc { 34 namespace load_reporter { 35 36 // The plugin that registers and starts load reporting service when starting a 37 // server. 38 class LoadReportingServiceServerBuilderPlugin : public ServerBuilderPlugin { 39 public: 40 ~LoadReportingServiceServerBuilderPlugin() override = default; name()41 std::string name() override { return "load_reporting_service"; } 42 43 // Creates a load reporting service. 44 void UpdateServerBuilder(ServerBuilder* builder) override; 45 46 // Registers the load reporter service. 47 void InitServer(ServerInitializer* si) override; 48 49 // Starts the load reporter service. 50 void Finish(ServerInitializer* si) override; 51 ChangeArguments(const std::string &,void *)52 void ChangeArguments(const std::string& /*name*/, void* /*value*/) override {} UpdateChannelArguments(grpc::ChannelArguments *)53 void UpdateChannelArguments(grpc::ChannelArguments* /*args*/) override {} 54 bool has_sync_methods() const override; 55 bool has_async_methods() const override; 56 57 private: 58 std::shared_ptr<LoadReporterAsyncServiceImpl> service_; 59 }; 60 61 std::unique_ptr<grpc::ServerBuilderPlugin> 62 CreateLoadReportingServiceServerBuilderPlugin(); 63 64 } // namespace load_reporter 65 } // namespace grpc 66 67 #endif // GRPC_SRC_CPP_SERVER_LOAD_REPORTER_LOAD_REPORTING_SERVICE_SERVER_BUILDER_PLUGIN_H 68