62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
/*
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* Copyright 2017 The Cartographer Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef CARTOGRAPHER_GRPC_FRAMEWORK_SERVICE_H
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#define CARTOGRAPHER_GRPC_FRAMEWORK_SERVICE_H
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#include "cartographer_grpc/framework/completion_queue_thread.h"
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#include "cartographer_grpc/framework/execution_context.h"
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#include "cartographer_grpc/framework/rpc.h"
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#include "cartographer_grpc/framework/rpc_handler.h"
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#include "grpc++/impl/codegen/service_type.h"
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namespace cartographer_grpc {
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namespace framework {
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// A 'Service' represents a generic service for gRPC asynchronous methods and is
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// responsible for managing the lifetime of active RPCs issued against methods
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// of the service and distributing incoming gRPC events to their respective
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// 'Rpc' handler objects.
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class Service : public ::grpc::Service {
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public:
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friend class Rpc;
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Service(const std::string& service_name,
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const std::map<std::string, RpcHandlerInfo>& rpc_handlers);
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void StartServing(std::vector<CompletionQueueThread>& completion_queues,
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ExecutionContext* execution_context);
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void HandleEvent(Rpc::Event event, Rpc* rpc, bool ok);
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void StopServing();
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private:
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void HandleNewConnection(Rpc* rpc, bool ok);
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void HandleRead(Rpc* rpc, bool ok);
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void HandleWrite(Rpc* rpc, bool ok);
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void HandleFinish(Rpc* rpc, bool ok);
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void HandleDone(Rpc* rpc, bool ok);
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void RemoveIfNotPending(Rpc* rpc);
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std::map<std::string, RpcHandlerInfo> rpc_handler_infos_;
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ActiveRpcs active_rpcs_;
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bool shutting_down_ = false;
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};
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} // namespace framework
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} // namespace cartographer_grpc
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#endif // CARTOGRAPHER_GRPC_FRAMEWORK_SERVICE_H
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