yangg | a4b6f5d | 2014-12-17 15:53:12 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2014, Google Inc. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #ifndef __GRPCPP_SERVER_CONTEXT_H_ |
| 35 | #define __GRPCPP_SERVER_CONTEXT_H_ |
| 36 | |
yangg | ed5e7e0 | 2015-01-06 10:16:15 -0800 | [diff] [blame] | 37 | #include <chrono> |
Craig Tiller | 854a30c | 2015-02-11 11:44:10 -0800 | [diff] [blame] | 38 | #include <map> |
Craig Tiller | 645466e | 2015-02-18 09:18:33 -0800 | [diff] [blame] | 39 | #include <mutex> |
Craig Tiller | b470169 | 2015-02-09 16:12:00 -0800 | [diff] [blame] | 40 | |
| 41 | #include "config.h" |
yangg | ed5e7e0 | 2015-01-06 10:16:15 -0800 | [diff] [blame] | 42 | |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 43 | struct gpr_timespec; |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 44 | struct grpc_metadata; |
| 45 | struct grpc_call; |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 46 | |
yangg | a4b6f5d | 2014-12-17 15:53:12 -0800 | [diff] [blame] | 47 | namespace grpc { |
| 48 | |
Yang Gao | 005f18a | 2015-02-13 10:22:33 -0800 | [diff] [blame] | 49 | template <class W, class R> |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 50 | class ServerAsyncReader; |
| 51 | template <class W> |
| 52 | class ServerAsyncWriter; |
Craig Tiller | c645306 | 2015-02-12 17:32:57 -0800 | [diff] [blame] | 53 | template <class W> |
| 54 | class ServerAsyncResponseWriter; |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 55 | template <class R, class W> |
| 56 | class ServerAsyncReaderWriter; |
| 57 | template <class R> |
| 58 | class ServerReader; |
| 59 | template <class W> |
| 60 | class ServerWriter; |
| 61 | template <class R, class W> |
| 62 | class ServerReaderWriter; |
Craig Tiller | 0156752 | 2015-02-11 21:08:49 -0800 | [diff] [blame] | 63 | |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame^] | 64 | class Call; |
Craig Tiller | 0156752 | 2015-02-11 21:08:49 -0800 | [diff] [blame] | 65 | class CallOpBuffer; |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame^] | 66 | class CompletionQueue; |
Craig Tiller | 854a30c | 2015-02-11 11:44:10 -0800 | [diff] [blame] | 67 | class Server; |
| 68 | |
yangg | a4b6f5d | 2014-12-17 15:53:12 -0800 | [diff] [blame] | 69 | // Interface of server side rpc context. |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 70 | class ServerContext final { |
yangg | a4b6f5d | 2014-12-17 15:53:12 -0800 | [diff] [blame] | 71 | public: |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 72 | ServerContext(); // for async calls |
| 73 | ~ServerContext(); |
yangg | ed5e7e0 | 2015-01-06 10:16:15 -0800 | [diff] [blame] | 74 | |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 75 | std::chrono::system_clock::time_point absolute_deadline() { |
| 76 | return deadline_; |
| 77 | } |
Craig Tiller | 1d2e219 | 2015-02-09 15:25:21 -0800 | [diff] [blame] | 78 | |
Craig Tiller | 9dcb0f8 | 2015-02-11 15:36:31 -0800 | [diff] [blame] | 79 | void AddInitialMetadata(const grpc::string& key, const grpc::string& value); |
| 80 | void AddTrailingMetadata(const grpc::string& key, const grpc::string& value); |
| 81 | |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame^] | 82 | bool IsCancelled(); |
Craig Tiller | 645466e | 2015-02-18 09:18:33 -0800 | [diff] [blame] | 83 | |
Yang Gao | 406b32f | 2015-02-13 16:25:33 -0800 | [diff] [blame] | 84 | std::multimap<grpc::string, grpc::string> client_metadata() { |
| 85 | return client_metadata_; |
| 86 | } |
| 87 | |
Craig Tiller | 1d2e219 | 2015-02-09 15:25:21 -0800 | [diff] [blame] | 88 | private: |
Craig Tiller | 854a30c | 2015-02-11 11:44:10 -0800 | [diff] [blame] | 89 | friend class ::grpc::Server; |
Craig Tiller | 8c22f05 | 2015-02-13 15:11:57 -0800 | [diff] [blame] | 90 | template <class W, class R> |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 91 | friend class ::grpc::ServerAsyncReader; |
| 92 | template <class W> |
| 93 | friend class ::grpc::ServerAsyncWriter; |
Craig Tiller | c645306 | 2015-02-12 17:32:57 -0800 | [diff] [blame] | 94 | template <class W> |
| 95 | friend class ::grpc::ServerAsyncResponseWriter; |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 96 | template <class R, class W> |
| 97 | friend class ::grpc::ServerAsyncReaderWriter; |
| 98 | template <class R> |
| 99 | friend class ::grpc::ServerReader; |
| 100 | template <class W> |
| 101 | friend class ::grpc::ServerWriter; |
| 102 | template <class R, class W> |
| 103 | friend class ::grpc::ServerReaderWriter; |
Yang Gao | a38feb9 | 2015-02-12 12:05:20 -0800 | [diff] [blame] | 104 | |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame^] | 105 | class CompletionOp; |
Craig Tiller | 645466e | 2015-02-18 09:18:33 -0800 | [diff] [blame] | 106 | |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame^] | 107 | void BeginCompletionOp(Call* call); |
Craig Tiller | 645466e | 2015-02-18 09:18:33 -0800 | [diff] [blame] | 108 | |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 109 | ServerContext(gpr_timespec deadline, grpc_metadata* metadata, |
| 110 | size_t metadata_count); |
Craig Tiller | 854a30c | 2015-02-11 11:44:10 -0800 | [diff] [blame] | 111 | |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame^] | 112 | CompletionOp* completion_op_ = nullptr; |
Craig Tiller | 645466e | 2015-02-18 09:18:33 -0800 | [diff] [blame] | 113 | |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 114 | std::chrono::system_clock::time_point deadline_; |
| 115 | grpc_call* call_ = nullptr; |
Craig Tiller | 645466e | 2015-02-18 09:18:33 -0800 | [diff] [blame] | 116 | CompletionQueue* cq_ = nullptr; |
Craig Tiller | 9dcb0f8 | 2015-02-11 15:36:31 -0800 | [diff] [blame] | 117 | bool sent_initial_metadata_ = false; |
| 118 | std::multimap<grpc::string, grpc::string> client_metadata_; |
| 119 | std::multimap<grpc::string, grpc::string> initial_metadata_; |
| 120 | std::multimap<grpc::string, grpc::string> trailing_metadata_; |
yangg | a4b6f5d | 2014-12-17 15:53:12 -0800 | [diff] [blame] | 121 | }; |
| 122 | |
| 123 | } // namespace grpc |
| 124 | |
| 125 | #endif // __GRPCPP_SERVER_CONTEXT_H_ |