| /* |
| * |
| * Copyright 2015, 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 GRPCXX_CLIENT_CONTEXT_H |
| #define GRPCXX_CLIENT_CONTEXT_H |
| |
| #include <chrono> |
| #include <map> |
| #include <string> |
| |
| #include <grpc/support/log.h> |
| #include <grpc/support/time.h> |
| #include <grpc++/config.h> |
| |
| using std::chrono::system_clock; |
| |
| struct grpc_call; |
| struct grpc_completion_queue; |
| |
| namespace grpc { |
| |
| class CallOpBuffer; |
| class ChannelInterface; |
| class CompletionQueue; |
| class RpcMethod; |
| class Status; |
| template <class R> |
| class ClientReader; |
| template <class W> |
| class ClientWriter; |
| template <class R, class W> |
| class ClientReaderWriter; |
| template <class R> |
| class ClientAsyncReader; |
| template <class W> |
| class ClientAsyncWriter; |
| template <class R, class W> |
| class ClientAsyncReaderWriter; |
| template <class R> |
| class ClientAsyncResponseReader; |
| |
| class ClientContext { |
| public: |
| ClientContext(); |
| ~ClientContext(); |
| |
| void AddMetadata(const grpc::string &meta_key, |
| const grpc::string &meta_value); |
| |
| const std::multimap<grpc::string, grpc::string>& GetServerInitialMetadata() { |
| GPR_ASSERT(initial_metadata_received_); |
| return recv_initial_metadata_; |
| } |
| |
| const std::multimap<grpc::string, grpc::string>& GetServerTrailingMetadata() { |
| // TODO(yangg) check finished |
| return trailing_metadata_; |
| } |
| |
| void set_absolute_deadline(const system_clock::time_point &deadline); |
| system_clock::time_point absolute_deadline(); |
| |
| void set_authority(const grpc::string& authority) { |
| authority_ = authority; |
| } |
| |
| void TryCancel(); |
| |
| private: |
| // Disallow copy and assign. |
| ClientContext(const ClientContext &); |
| ClientContext &operator=(const ClientContext &); |
| |
| friend class CallOpBuffer; |
| friend class Channel; |
| template <class R> |
| friend class ::grpc::ClientReader; |
| template <class W> |
| friend class ::grpc::ClientWriter; |
| template <class R, class W> |
| friend class ::grpc::ClientReaderWriter; |
| template <class R> |
| friend class ::grpc::ClientAsyncReader; |
| template <class W> |
| friend class ::grpc::ClientAsyncWriter; |
| template <class R, class W> |
| friend class ::grpc::ClientAsyncReaderWriter; |
| template <class R> |
| friend class ::grpc::ClientAsyncResponseReader; |
| |
| grpc_call *call() { return call_; } |
| void set_call(grpc_call *call) { |
| GPR_ASSERT(call_ == nullptr); |
| call_ = call; |
| } |
| |
| grpc_completion_queue *cq() { return cq_; } |
| void set_cq(grpc_completion_queue *cq) { cq_ = cq; } |
| |
| gpr_timespec RawDeadline() { return absolute_deadline_; } |
| |
| grpc::string authority() { |
| return authority_; |
| } |
| |
| bool initial_metadata_received_; |
| grpc_call *call_; |
| grpc_completion_queue *cq_; |
| gpr_timespec absolute_deadline_; |
| grpc::string authority_; |
| std::multimap<grpc::string, grpc::string> send_initial_metadata_; |
| std::multimap<grpc::string, grpc::string> recv_initial_metadata_; |
| std::multimap<grpc::string, grpc::string> trailing_metadata_; |
| }; |
| |
| } // namespace grpc |
| |
| #endif // GRPCXX_CLIENT_CONTEXT_H |