/* * * Copyright 2016 gRPC authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ #ifndef GRPCPP_IMPL_SERVER_BUILDER_PLUGIN_H #define GRPCPP_IMPL_SERVER_BUILDER_PLUGIN_H #include #include namespace grpc { class ServerBuilder; class ServerInitializer; class ChannelArguments; /// This interface is meant for internal usage only. Implementations of this /// interface should add themselves to a \a ServerBuilder instance through the /// \a InternalAddPluginFactory method. class ServerBuilderPlugin { public: virtual ~ServerBuilderPlugin() {} virtual grpc::string name() = 0; /// UpdateServerBuilder will be called at an early stage in /// ServerBuilder::BuildAndStart(), right after the ServerBuilderOptions have /// done their updates. virtual void UpdateServerBuilder(ServerBuilder* builder) {} /// InitServer will be called in ServerBuilder::BuildAndStart(), after the /// Server instance is created. virtual void InitServer(ServerInitializer* si) = 0; /// Finish will be called at the end of ServerBuilder::BuildAndStart(). virtual void Finish(ServerInitializer* si) = 0; /// ChangeArguments is an interface that can be used in /// ServerBuilderOption::UpdatePlugins virtual void ChangeArguments(const grpc::string& name, void* value) = 0; /// UpdateChannelArguments will be called in ServerBuilder::BuildAndStart(), /// before the Server instance is created. virtual void UpdateChannelArguments(ChannelArguments* args) {} virtual bool has_sync_methods() const { return false; } virtual bool has_async_methods() const { return false; } }; } // namespace grpc #endif // GRPCPP_IMPL_SERVER_BUILDER_PLUGIN_H