mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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112 lines
3.2 KiB
112 lines
3.2 KiB
10 years ago
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/*
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*
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* Copyright 2014, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __GRPCPP_SERVER_H__
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#define __GRPCPP_SERVER_H__
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#include <condition_variable>
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#include <map>
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#include <memory>
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#include <mutex>
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#include <grpc++/completion_queue.h>
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#include <grpc++/config.h>
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#include <grpc++/status.h>
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struct grpc_server;
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namespace google {
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namespace protobuf {
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class Message;
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}
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}
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namespace grpc {
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class AsyncServerContext;
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class RpcService;
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class RpcServiceMethod;
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class ThreadPoolInterface;
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// Currently it only supports handling rpcs in a single thread.
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class Server {
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public:
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~Server();
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// Shutdown the server, block until all rpc processing finishes.
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void Shutdown();
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private:
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friend class ServerBuilder;
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// ServerBuilder use only
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explicit Server(ThreadPoolInterface* thread_pool);
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Server();
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// Register a service. This call does not take ownership of the service.
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// The service must exist for the lifetime of the Server instance.
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void RegisterService(RpcService* service);
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// Add a listening port. Can be called multiple times.
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void AddPort(const grpc::string& addr);
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// Start the server.
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void Start();
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void AllowOneRpc();
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void HandleQueueClosed();
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void RunRpc();
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void ScheduleCallback();
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// Completion queue.
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CompletionQueue cq_;
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// Sever status
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std::mutex mu_;
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bool started_;
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bool shutdown_;
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// The number of threads which are running callbacks.
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int num_running_cb_;
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std::condition_variable callback_cv_;
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// Pointer to the c grpc server.
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grpc_server* server_;
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// A map for all method information.
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std::map<grpc::string, RpcServiceMethod*> method_map_;
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ThreadPoolInterface* thread_pool_;
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// Whether the thread pool is created and owned by the server.
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bool thread_pool_owned_;
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};
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} // namespace grpc
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#endif // __GRPCPP_SERVER_H__
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