yangg | a4b6f5d | 2014-12-17 15:53:12 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 0605995 | 2015-02-18 08:34:56 -0800 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
yangg | a4b6f5d | 2014-12-17 15:53:12 -0800 | [diff] [blame] | 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 | |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 34 | #include <grpc++/server_context.h> |
Craig Tiller | c7625b0 | 2015-02-18 15:18:58 -0800 | [diff] [blame] | 35 | |
Craig Tiller | 854a30c | 2015-02-11 11:44:10 -0800 | [diff] [blame] | 36 | #include <grpc/grpc.h> |
yang-g | f1ec377 | 2015-07-28 22:59:50 -0700 | [diff] [blame] | 37 | #include <grpc/support/alloc.h> |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 38 | #include <grpc/support/log.h> |
Nicolas Noble | 8921916 | 2015-04-07 18:01:18 -0700 | [diff] [blame] | 39 | #include <grpc++/impl/call.h> |
| 40 | #include <grpc++/impl/sync.h> |
yang-g | 9e2f90c | 2015-08-21 15:35:03 -0700 | [diff] [blame] | 41 | #include <grpc++/support/time.h> |
yangg | a4b6f5d | 2014-12-17 15:53:12 -0800 | [diff] [blame] | 42 | |
David Garcia Quintas | d7d9ce2 | 2015-06-30 23:29:03 -0700 | [diff] [blame] | 43 | #include "src/core/channel/compress_filter.h" |
yang-g | 3abe60b | 2015-07-06 14:00:36 -0700 | [diff] [blame] | 44 | #include "src/cpp/common/create_auth_context.h" |
| 45 | |
Craig Tiller | 854a30c | 2015-02-11 11:44:10 -0800 | [diff] [blame] | 46 | namespace grpc { |
| 47 | |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 48 | // CompletionOp |
| 49 | |
Craig Tiller | 50a7a68 | 2015-06-04 12:53:40 -0700 | [diff] [blame] | 50 | class ServerContext::CompletionOp GRPC_FINAL : public CallOpSetInterface { |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 51 | public: |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 52 | // initial refs: one in the server context, one in the cq |
Craig Tiller | d6c98df | 2015-08-18 09:33:44 -0700 | [diff] [blame] | 53 | CompletionOp() |
| 54 | : has_tag_(false), |
| 55 | tag_(nullptr), |
| 56 | refs_(2), |
| 57 | finalized_(false), |
| 58 | cancelled_(0) {} |
Craig Tiller | 50a7a68 | 2015-06-04 12:53:40 -0700 | [diff] [blame] | 59 | |
| 60 | void FillOps(grpc_op* ops, size_t* nops) GRPC_OVERRIDE; |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 61 | bool FinalizeResult(void** tag, bool* status) GRPC_OVERRIDE; |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 62 | |
| 63 | bool CheckCancelled(CompletionQueue* cq); |
| 64 | |
yang-g | d45a26e | 2015-08-04 16:36:22 -0700 | [diff] [blame] | 65 | void set_tag(void* tag) { |
| 66 | has_tag_ = true; |
| 67 | tag_ = tag; |
| 68 | } |
yang-g | b335256 | 2015-08-04 14:42:06 -0700 | [diff] [blame] | 69 | |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 70 | void Unref(); |
| 71 | |
| 72 | private: |
yang-g | d45a26e | 2015-08-04 16:36:22 -0700 | [diff] [blame] | 73 | bool has_tag_; |
yang-g | b335256 | 2015-08-04 14:42:06 -0700 | [diff] [blame] | 74 | void* tag_; |
Nicolas "Pixel" Noble | ff2828b | 2015-04-03 03:16:46 +0200 | [diff] [blame] | 75 | grpc::mutex mu_; |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 76 | int refs_; |
| 77 | bool finalized_; |
Craig Tiller | 50a7a68 | 2015-06-04 12:53:40 -0700 | [diff] [blame] | 78 | int cancelled_; |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 79 | }; |
| 80 | |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 81 | void ServerContext::CompletionOp::Unref() { |
Nicolas "Pixel" Noble | ff2828b | 2015-04-03 03:16:46 +0200 | [diff] [blame] | 82 | grpc::unique_lock<grpc::mutex> lock(mu_); |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 83 | if (--refs_ == 0) { |
| 84 | lock.unlock(); |
| 85 | delete this; |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | bool ServerContext::CompletionOp::CheckCancelled(CompletionQueue* cq) { |
Craig Tiller | d24d13d | 2015-02-18 15:35:32 -0800 | [diff] [blame] | 90 | cq->TryPluck(this); |
Nicolas "Pixel" Noble | ff2828b | 2015-04-03 03:16:46 +0200 | [diff] [blame] | 91 | grpc::lock_guard<grpc::mutex> g(mu_); |
Craig Tiller | 50a7a68 | 2015-06-04 12:53:40 -0700 | [diff] [blame] | 92 | return finalized_ ? cancelled_ != 0 : false; |
| 93 | } |
| 94 | |
| 95 | void ServerContext::CompletionOp::FillOps(grpc_op* ops, size_t* nops) { |
| 96 | ops->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
| 97 | ops->data.recv_close_on_server.cancelled = &cancelled_; |
Craig Tiller | 026e600 | 2015-06-22 11:41:14 -0700 | [diff] [blame] | 98 | ops->flags = 0; |
Nicolas "Pixel" Noble | 4960516 | 2015-08-01 00:12:01 +0200 | [diff] [blame] | 99 | ops->reserved = NULL; |
Craig Tiller | 50a7a68 | 2015-06-04 12:53:40 -0700 | [diff] [blame] | 100 | *nops = 1; |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | bool ServerContext::CompletionOp::FinalizeResult(void** tag, bool* status) { |
Nicolas "Pixel" Noble | ff2828b | 2015-04-03 03:16:46 +0200 | [diff] [blame] | 104 | grpc::unique_lock<grpc::mutex> lock(mu_); |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 105 | finalized_ = true; |
yang-g | b335256 | 2015-08-04 14:42:06 -0700 | [diff] [blame] | 106 | bool ret = false; |
yang-g | d45a26e | 2015-08-04 16:36:22 -0700 | [diff] [blame] | 107 | if (has_tag_) { |
yang-g | b335256 | 2015-08-04 14:42:06 -0700 | [diff] [blame] | 108 | *tag = tag_; |
| 109 | ret = true; |
| 110 | } |
Craig Tiller | 50a7a68 | 2015-06-04 12:53:40 -0700 | [diff] [blame] | 111 | if (!*status) cancelled_ = 1; |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 112 | if (--refs_ == 0) { |
| 113 | lock.unlock(); |
| 114 | delete this; |
| 115 | } |
yang-g | b335256 | 2015-08-04 14:42:06 -0700 | [diff] [blame] | 116 | return ret; |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 117 | } |
| 118 | |
| 119 | // ServerContext body |
| 120 | |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 121 | ServerContext::ServerContext() |
| 122 | : completion_op_(nullptr), |
yang-g | d45a26e | 2015-08-04 16:36:22 -0700 | [diff] [blame] | 123 | has_notify_when_done_tag_(false), |
yang-g | b335256 | 2015-08-04 14:42:06 -0700 | [diff] [blame] | 124 | async_notify_when_done_tag_(nullptr), |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 125 | call_(nullptr), |
| 126 | cq_(nullptr), |
| 127 | sent_initial_metadata_(false) {} |
Craig Tiller | c645306 | 2015-02-12 17:32:57 -0800 | [diff] [blame] | 128 | |
Craig Tiller | 645466e | 2015-02-18 09:18:33 -0800 | [diff] [blame] | 129 | ServerContext::ServerContext(gpr_timespec deadline, grpc_metadata* metadata, |
Craig Tiller | 9dcb0f8 | 2015-02-11 15:36:31 -0800 | [diff] [blame] | 130 | size_t metadata_count) |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 131 | : completion_op_(nullptr), |
yang-g | d45a26e | 2015-08-04 16:36:22 -0700 | [diff] [blame] | 132 | has_notify_when_done_tag_(false), |
yang-g | b335256 | 2015-08-04 14:42:06 -0700 | [diff] [blame] | 133 | async_notify_when_done_tag_(nullptr), |
Nicolas Noble | 8921916 | 2015-04-07 18:01:18 -0700 | [diff] [blame] | 134 | deadline_(deadline), |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 135 | call_(nullptr), |
| 136 | cq_(nullptr), |
| 137 | sent_initial_metadata_(false) { |
Craig Tiller | 854a30c | 2015-02-11 11:44:10 -0800 | [diff] [blame] | 138 | for (size_t i = 0; i < metadata_count; i++) { |
yang-g | e21908f | 2015-08-25 13:47:51 -0700 | [diff] [blame] | 139 | client_metadata_.insert(std::pair<grpc::string_ref, grpc::string_ref>( |
| 140 | metadata[i].key, |
| 141 | grpc::string_ref(metadata[i].value, metadata[i].value_length))); |
Craig Tiller | 854a30c | 2015-02-11 11:44:10 -0800 | [diff] [blame] | 142 | } |
| 143 | } |
| 144 | |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 145 | ServerContext::~ServerContext() { |
| 146 | if (call_) { |
| 147 | grpc_call_destroy(call_); |
| 148 | } |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 149 | if (completion_op_) { |
| 150 | completion_op_->Unref(); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | void ServerContext::BeginCompletionOp(Call* call) { |
| 155 | GPR_ASSERT(!completion_op_); |
| 156 | completion_op_ = new CompletionOp(); |
yang-g | d45a26e | 2015-08-04 16:36:22 -0700 | [diff] [blame] | 157 | if (has_notify_when_done_tag_) { |
| 158 | completion_op_->set_tag(async_notify_when_done_tag_); |
| 159 | } |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 160 | call->PerformOps(completion_op_); |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 161 | } |
| 162 | |
Yang Gao | 2b7f537 | 2015-02-18 00:45:53 -0800 | [diff] [blame] | 163 | void ServerContext::AddInitialMetadata(const grpc::string& key, |
Craig Tiller | 645466e | 2015-02-18 09:18:33 -0800 | [diff] [blame] | 164 | const grpc::string& value) { |
Yang Gao | 2b7f537 | 2015-02-18 00:45:53 -0800 | [diff] [blame] | 165 | initial_metadata_.insert(std::make_pair(key, value)); |
| 166 | } |
| 167 | |
| 168 | void ServerContext::AddTrailingMetadata(const grpc::string& key, |
Craig Tiller | 645466e | 2015-02-18 09:18:33 -0800 | [diff] [blame] | 169 | const grpc::string& value) { |
Yang Gao | 2b7f537 | 2015-02-18 00:45:53 -0800 | [diff] [blame] | 170 | trailing_metadata_.insert(std::make_pair(key, value)); |
| 171 | } |
| 172 | |
David Garcia Quintas | 6dd49a5 | 2015-07-15 14:58:32 -0700 | [diff] [blame] | 173 | bool ServerContext::IsCancelled() const { |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 174 | return completion_op_ && completion_op_->CheckCancelled(cq_); |
Craig Tiller | 645466e | 2015-02-18 09:18:33 -0800 | [diff] [blame] | 175 | } |
| 176 | |
David Garcia Quintas | d7d9ce2 | 2015-06-30 23:29:03 -0700 | [diff] [blame] | 177 | void ServerContext::set_compression_level(grpc_compression_level level) { |
| 178 | const grpc_compression_algorithm algorithm_for_level = |
| 179 | grpc_compression_algorithm_for_level(level); |
| 180 | set_compression_algorithm(algorithm_for_level); |
| 181 | } |
| 182 | |
| 183 | void ServerContext::set_compression_algorithm( |
| 184 | grpc_compression_algorithm algorithm) { |
| 185 | char* algorithm_name = NULL; |
| 186 | if (!grpc_compression_algorithm_name(algorithm, &algorithm_name)) { |
| 187 | gpr_log(GPR_ERROR, "Name for compression algorithm '%d' unknown.", |
| 188 | algorithm); |
| 189 | abort(); |
| 190 | } |
| 191 | GPR_ASSERT(algorithm_name != NULL); |
| 192 | AddInitialMetadata(GRPC_COMPRESS_REQUEST_ALGORITHM_KEY, algorithm_name); |
| 193 | } |
| 194 | |
yang-g | 85c04f9 | 2015-07-07 17:47:31 -0700 | [diff] [blame] | 195 | void ServerContext::set_call(grpc_call* call) { |
| 196 | call_ = call; |
| 197 | auth_context_ = CreateAuthContext(call); |
yang-g | 3abe60b | 2015-07-06 14:00:36 -0700 | [diff] [blame] | 198 | } |
| 199 | |
yang-g | 94d6225 | 2015-07-14 14:25:37 -0700 | [diff] [blame] | 200 | std::shared_ptr<const AuthContext> ServerContext::auth_context() const { |
| 201 | if (auth_context_.get() == nullptr) { |
| 202 | auth_context_ = CreateAuthContext(call_); |
| 203 | } |
| 204 | return auth_context_; |
| 205 | } |
| 206 | |
yang-g | f1ec377 | 2015-07-28 22:59:50 -0700 | [diff] [blame] | 207 | grpc::string ServerContext::peer() const { |
| 208 | grpc::string peer; |
| 209 | if (call_) { |
| 210 | char* c_peer = grpc_call_get_peer(call_); |
| 211 | peer = c_peer; |
| 212 | gpr_free(c_peer); |
| 213 | } |
| 214 | return peer; |
| 215 | } |
| 216 | |
Alistair Veitch | 100a6e1 | 2015-07-29 15:25:28 -0700 | [diff] [blame] | 217 | const struct census_context* ServerContext::census_context() const { |
Alistair Veitch | cf39e94 | 2015-07-26 17:28:26 -0700 | [diff] [blame] | 218 | return grpc_census_call_get_context(call_); |
| 219 | } |
| 220 | |
Craig Tiller | 854a30c | 2015-02-11 11:44:10 -0800 | [diff] [blame] | 221 | } // namespace grpc |