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/*
*
* 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
#if defined(__GNUC__)
#pragma GCC system_header
#endif
#include <memory>
#include <grpcpp/support/channel_arguments.h>
#include <grpcpp/support/config.h>
namespace grpc {
class ServerBuilder;
class ServerInitializer;
/// 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 TString 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 TString& 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
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