96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
/*
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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_ASYNC_SERVER_CONTEXT_H__
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#define __GRPCPP_ASYNC_SERVER_CONTEXT_H__
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#include <chrono>
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#include <grpc++/config.h>
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struct grpc_byte_buffer;
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struct grpc_call;
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struct grpc_completion_queue;
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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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using std::chrono::system_clock;
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namespace grpc {
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class Status;
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// TODO(rocking): wrap grpc c structures.
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class AsyncServerContext {
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public:
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AsyncServerContext(grpc_call* call, const grpc::string& method,
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const grpc::string& host,
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system_clock::time_point absolute_deadline);
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~AsyncServerContext();
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// Accept this rpc, bind it to a completion queue.
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void Accept(grpc_completion_queue* cq);
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// Read and write calls, all async. Return true for success.
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bool StartRead(google::protobuf::Message* request);
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bool StartWrite(const google::protobuf::Message& response, int flags);
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bool StartWriteStatus(const Status& status);
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bool ParseRead(grpc_byte_buffer* read_buffer);
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grpc::string method() const { return method_; }
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grpc::string host() const { return host_; }
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system_clock::time_point absolute_deadline() { return absolute_deadline_; }
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grpc_call* call() { return call_; }
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private:
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AsyncServerContext(const AsyncServerContext&);
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AsyncServerContext& operator=(const AsyncServerContext&);
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// These properties may be moved to a ServerContext class.
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const grpc::string method_;
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const grpc::string host_;
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system_clock::time_point absolute_deadline_;
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google::protobuf::Message* request_; // not owned
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grpc_call* call_; // owned
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};
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} // namespace grpc
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#endif // __GRPCPP_ASYNC_SERVER_CONTEXT_H__
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