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Diffstat (limited to 'include/grpc++/async_server_context.h')
-rw-r--r-- | include/grpc++/async_server_context.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/include/grpc++/async_server_context.h b/include/grpc++/async_server_context.h new file mode 100644 index 0000000000..dd4097b25c --- /dev/null +++ b/include/grpc++/async_server_context.h @@ -0,0 +1,93 @@ +/* + * + * Copyright 2014, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef __GRPCPP_ASYNC_SERVER_CONTEXT_H__ +#define __GRPCPP_ASYNC_SERVER_CONTEXT_H__ + +#include <chrono> + +#include <grpc++/config.h> + +struct grpc_byte_buffer; +struct grpc_call; +struct grpc_completion_queue; + +namespace google { +namespace protobuf { +class Message; +} +} + +using std::chrono::system_clock; + +namespace grpc { +class Status; + +// TODO(rocking): wrap grpc c structures. +class AsyncServerContext { + public: + AsyncServerContext(grpc_call* call, const grpc::string& method, + const grpc::string& host, + system_clock::time_point absolute_deadline); + ~AsyncServerContext(); + + // Accept this rpc, bind it to a completion queue. + void Accept(grpc_completion_queue* cq); + + // Read and write calls, all async. Return true for success. + bool StartRead(google::protobuf::Message* request); + bool StartWrite(const google::protobuf::Message& response, int flags); + bool StartWriteStatus(const Status& status); + + bool ParseRead(grpc_byte_buffer* read_buffer); + + grpc::string method() const { return method_; } + grpc::string host() const { return host_; } + system_clock::time_point absolute_deadline() { return absolute_deadline_; } + + private: + AsyncServerContext(const AsyncServerContext&); + AsyncServerContext& operator=(const AsyncServerContext&); + + // These properties may be moved to a ServerContext class. + const grpc::string method_; + const grpc::string host_; + system_clock::time_point absolute_deadline_; + + google::protobuf::Message* request_; // not owned + grpc_call* call_; // owned +}; + +} // namespace grpc + +#endif // __GRPCPP_ASYNC_SERVER_CONTEXT_H__ |