Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 0605995 | 2015-02-18 08:34:56 -0800 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -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 | |
| 34 | #include <grpc++/server.h> |
| 35 | #include <utility> |
| 36 | |
| 37 | #include <grpc/grpc.h> |
yangg | 9e21f72 | 2014-12-08 15:49:52 -0800 | [diff] [blame] | 38 | #include <grpc/grpc_security.h> |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 39 | #include <grpc/support/log.h> |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 40 | #include <grpc++/completion_queue.h> |
Yang Gao | 005eb88 | 2015-03-11 22:17:13 -0700 | [diff] [blame^] | 41 | #include <grpc++/generic_service.h> |
yangg | 1b15109 | 2015-01-09 15:31:05 -0800 | [diff] [blame] | 42 | #include <grpc++/impl/rpc_service_method.h> |
Craig Tiller | 8c8d0aa | 2015-02-12 11:38:36 -0800 | [diff] [blame] | 43 | #include <grpc++/impl/service_type.h> |
Craig Tiller | b470169 | 2015-02-09 16:12:00 -0800 | [diff] [blame] | 44 | #include <grpc++/server_context.h> |
yangg | 9e21f72 | 2014-12-08 15:49:52 -0800 | [diff] [blame] | 45 | #include <grpc++/server_credentials.h> |
Craig Tiller | 0db1bef | 2015-02-09 13:47:39 -0800 | [diff] [blame] | 46 | #include <grpc++/thread_pool_interface.h> |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 47 | |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 48 | #include "src/cpp/proto/proto_utils.h" |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 49 | #include "src/cpp/util/time.h" |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 50 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 51 | namespace grpc { |
| 52 | |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 53 | class Server::SyncRequest GRPC_FINAL : public CompletionQueueTag { |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 54 | public: |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 55 | SyncRequest(RpcServiceMethod* method, void* tag) |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 56 | : method_(method), |
| 57 | tag_(tag), |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 58 | in_flight_(false), |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 59 | has_request_payload_(method->method_type() == RpcMethod::NORMAL_RPC || |
| 60 | method->method_type() == |
| 61 | RpcMethod::SERVER_STREAMING), |
| 62 | has_response_payload_(method->method_type() == RpcMethod::NORMAL_RPC || |
| 63 | method->method_type() == |
| 64 | RpcMethod::CLIENT_STREAMING) { |
| 65 | grpc_metadata_array_init(&request_metadata_); |
| 66 | } |
| 67 | |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 68 | static SyncRequest* Wait(CompletionQueue* cq, bool* ok) { |
Craig Tiller | 8c8d0aa | 2015-02-12 11:38:36 -0800 | [diff] [blame] | 69 | void* tag = nullptr; |
Craig Tiller | 504bd33 | 2015-02-11 20:34:33 -0800 | [diff] [blame] | 70 | *ok = false; |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 71 | if (!cq->Next(&tag, ok)) { |
| 72 | return nullptr; |
| 73 | } |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 74 | auto* mrd = static_cast<SyncRequest*>(tag); |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 75 | GPR_ASSERT(mrd->in_flight_); |
| 76 | return mrd; |
| 77 | } |
| 78 | |
Craig Tiller | 8c8d0aa | 2015-02-12 11:38:36 -0800 | [diff] [blame] | 79 | void Request(grpc_server* server) { |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 80 | GPR_ASSERT(!in_flight_); |
| 81 | in_flight_ = true; |
| 82 | cq_ = grpc_completion_queue_create(); |
| 83 | GPR_ASSERT(GRPC_CALL_OK == |
| 84 | grpc_server_request_registered_call( |
| 85 | server, tag_, &call_, &deadline_, &request_metadata_, |
Craig Tiller | 8c8d0aa | 2015-02-12 11:38:36 -0800 | [diff] [blame] | 86 | has_request_payload_ ? &request_payload_ : nullptr, cq_, |
| 87 | this)); |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 88 | } |
| 89 | |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 90 | bool FinalizeResult(void** tag, bool* status) GRPC_OVERRIDE { |
Craig Tiller | ec3257c | 2015-02-12 15:59:43 -0800 | [diff] [blame] | 91 | if (!*status) { |
| 92 | grpc_completion_queue_destroy(cq_); |
| 93 | } |
Craig Tiller | 645466e | 2015-02-18 09:18:33 -0800 | [diff] [blame] | 94 | return true; |
Craig Tiller | ec3257c | 2015-02-12 15:59:43 -0800 | [diff] [blame] | 95 | } |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 96 | |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 97 | class CallData GRPC_FINAL { |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 98 | public: |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 99 | explicit CallData(Server* server, SyncRequest* mrd) |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 100 | : cq_(mrd->cq_), |
Craig Tiller | bb5227f | 2015-02-11 13:34:48 -0800 | [diff] [blame] | 101 | call_(mrd->call_, server, &cq_), |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 102 | ctx_(mrd->deadline_, mrd->request_metadata_.metadata, |
| 103 | mrd->request_metadata_.count), |
| 104 | has_request_payload_(mrd->has_request_payload_), |
| 105 | has_response_payload_(mrd->has_response_payload_), |
| 106 | request_payload_(mrd->request_payload_), |
| 107 | method_(mrd->method_) { |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 108 | ctx_.call_ = mrd->call_; |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 109 | GPR_ASSERT(mrd->in_flight_); |
| 110 | mrd->in_flight_ = false; |
| 111 | mrd->request_metadata_.count = 0; |
| 112 | } |
| 113 | |
Craig Tiller | ec3257c | 2015-02-12 15:59:43 -0800 | [diff] [blame] | 114 | ~CallData() { |
| 115 | if (has_request_payload_ && request_payload_) { |
| 116 | grpc_byte_buffer_destroy(request_payload_); |
| 117 | } |
| 118 | } |
| 119 | |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 120 | void Run() { |
Yang Gao | 7694c35 | 2015-03-03 09:48:06 -0800 | [diff] [blame] | 121 | std::unique_ptr<grpc::protobuf::Message> req; |
| 122 | std::unique_ptr<grpc::protobuf::Message> res; |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 123 | if (has_request_payload_) { |
| 124 | req.reset(method_->AllocateRequestProto()); |
| 125 | if (!DeserializeProto(request_payload_, req.get())) { |
| 126 | abort(); // for now |
| 127 | } |
| 128 | } |
| 129 | if (has_response_payload_) { |
Craig Tiller | 7c2f3f7 | 2015-02-11 13:21:54 -0800 | [diff] [blame] | 130 | res.reset(method_->AllocateResponseProto()); |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 131 | } |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 132 | ctx_.BeginCompletionOp(&call_); |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 133 | auto status = method_->handler()->RunHandler( |
| 134 | MethodHandler::HandlerParameter(&call_, &ctx_, req.get(), res.get())); |
| 135 | CallOpBuffer buf; |
Craig Tiller | bc8e3db | 2015-02-12 09:56:02 -0800 | [diff] [blame] | 136 | if (!ctx_.sent_initial_metadata_) { |
| 137 | buf.AddSendInitialMetadata(&ctx_.initial_metadata_); |
| 138 | } |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 139 | if (has_response_payload_) { |
| 140 | buf.AddSendMessage(*res); |
| 141 | } |
Craig Tiller | 9dcb0f8 | 2015-02-11 15:36:31 -0800 | [diff] [blame] | 142 | buf.AddServerSendStatus(&ctx_.trailing_metadata_, status); |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 143 | call_.PerformOps(&buf); |
| 144 | GPR_ASSERT(cq_.Pluck(&buf)); |
Craig Tiller | 492968f | 2015-02-18 13:14:03 -0800 | [diff] [blame] | 145 | void* ignored_tag; |
| 146 | bool ignored_ok; |
| 147 | cq_.Shutdown(); |
| 148 | GPR_ASSERT(cq_.Next(&ignored_tag, &ignored_ok) == false); |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 149 | } |
| 150 | |
| 151 | private: |
| 152 | CompletionQueue cq_; |
| 153 | Call call_; |
| 154 | ServerContext ctx_; |
| 155 | const bool has_request_payload_; |
| 156 | const bool has_response_payload_; |
Craig Tiller | 8c8d0aa | 2015-02-12 11:38:36 -0800 | [diff] [blame] | 157 | grpc_byte_buffer* request_payload_; |
| 158 | RpcServiceMethod* const method_; |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 159 | }; |
| 160 | |
| 161 | private: |
Craig Tiller | 8c8d0aa | 2015-02-12 11:38:36 -0800 | [diff] [blame] | 162 | RpcServiceMethod* const method_; |
| 163 | void* const tag_; |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 164 | bool in_flight_; |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 165 | const bool has_request_payload_; |
| 166 | const bool has_response_payload_; |
Craig Tiller | 8c8d0aa | 2015-02-12 11:38:36 -0800 | [diff] [blame] | 167 | grpc_call* call_; |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 168 | gpr_timespec deadline_; |
| 169 | grpc_metadata_array request_metadata_; |
Craig Tiller | 8c8d0aa | 2015-02-12 11:38:36 -0800 | [diff] [blame] | 170 | grpc_byte_buffer* request_payload_; |
| 171 | grpc_completion_queue* cq_; |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 172 | }; |
| 173 | |
Craig Tiller | 42bc87c | 2015-02-23 08:50:19 -0800 | [diff] [blame] | 174 | Server::Server(ThreadPoolInterface* thread_pool, bool thread_pool_owned) |
vjpai | cad5f0a | 2015-02-18 22:02:52 -0800 | [diff] [blame] | 175 | : started_(false), |
| 176 | shutdown_(false), |
| 177 | num_running_cb_(0), |
Craig Tiller | 42bc87c | 2015-02-23 08:50:19 -0800 | [diff] [blame] | 178 | server_(grpc_server_create(cq_.cq(), nullptr)), |
vjpai | cad5f0a | 2015-02-18 22:02:52 -0800 | [diff] [blame] | 179 | thread_pool_(thread_pool), |
Craig Tiller | 42bc87c | 2015-02-23 08:50:19 -0800 | [diff] [blame] | 180 | thread_pool_owned_(thread_pool_owned) {} |
vjpai | cad5f0a | 2015-02-18 22:02:52 -0800 | [diff] [blame] | 181 | |
| 182 | Server::~Server() { |
| 183 | std::unique_lock<std::mutex> lock(mu_); |
| 184 | if (started_ && !shutdown_) { |
| 185 | lock.unlock(); |
| 186 | Shutdown(); |
| 187 | } else { |
| 188 | lock.unlock(); |
| 189 | } |
| 190 | grpc_server_destroy(server_); |
| 191 | if (thread_pool_owned_) { |
| 192 | delete thread_pool_; |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | bool Server::RegisterService(RpcService* service) { |
| 197 | for (int i = 0; i < service->GetMethodCount(); ++i) { |
| 198 | RpcServiceMethod* method = service->GetMethod(i); |
| 199 | void* tag = |
| 200 | grpc_server_register_method(server_, method->name(), nullptr, cq_.cq()); |
| 201 | if (!tag) { |
| 202 | gpr_log(GPR_DEBUG, "Attempt to register %s multiple times", |
| 203 | method->name()); |
| 204 | return false; |
| 205 | } |
| 206 | sync_methods_.emplace_back(method, tag); |
| 207 | } |
| 208 | return true; |
| 209 | } |
| 210 | |
| 211 | bool Server::RegisterAsyncService(AsynchronousService* service) { |
| 212 | GPR_ASSERT(service->dispatch_impl_ == nullptr && |
| 213 | "Can only register an asynchronous service against one server."); |
| 214 | service->dispatch_impl_ = this; |
| 215 | service->request_args_ = new void* [service->method_count_]; |
| 216 | for (size_t i = 0; i < service->method_count_; ++i) { |
| 217 | void* tag = |
| 218 | grpc_server_register_method(server_, service->method_names_[i], nullptr, |
| 219 | service->completion_queue()->cq()); |
| 220 | if (!tag) { |
| 221 | gpr_log(GPR_DEBUG, "Attempt to register %s multiple times", |
| 222 | service->method_names_[i]); |
| 223 | return false; |
| 224 | } |
| 225 | service->request_args_[i] = tag; |
| 226 | } |
| 227 | return true; |
| 228 | } |
| 229 | |
Yang Gao | 005eb88 | 2015-03-11 22:17:13 -0700 | [diff] [blame^] | 230 | void Server::RegisterGenericService(GenericService* service) { |
Yang Gao | 1c40233 | 2015-03-05 16:39:25 -0800 | [diff] [blame] | 231 | GPR_ASSERT(service->server_ == nullptr && |
Yang Gao | 005eb88 | 2015-03-11 22:17:13 -0700 | [diff] [blame^] | 232 | "Can only register an generic service against one server."); |
Yang Gao | 1c40233 | 2015-03-05 16:39:25 -0800 | [diff] [blame] | 233 | service->server_ = this; |
| 234 | } |
| 235 | |
Craig Tiller | 42bc87c | 2015-02-23 08:50:19 -0800 | [diff] [blame] | 236 | int Server::AddPort(const grpc::string& addr, ServerCredentials* creds) { |
vjpai | cad5f0a | 2015-02-18 22:02:52 -0800 | [diff] [blame] | 237 | GPR_ASSERT(!started_); |
Craig Tiller | 42bc87c | 2015-02-23 08:50:19 -0800 | [diff] [blame] | 238 | return creds->AddPortToServer(addr, server_); |
vjpai | cad5f0a | 2015-02-18 22:02:52 -0800 | [diff] [blame] | 239 | } |
| 240 | |
Craig Tiller | 0db1bef | 2015-02-09 13:47:39 -0800 | [diff] [blame] | 241 | bool Server::Start() { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 242 | GPR_ASSERT(!started_); |
| 243 | started_ = true; |
| 244 | grpc_server_start(server_); |
| 245 | |
| 246 | // Start processing rpcs. |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 247 | if (!sync_methods_.empty()) { |
| 248 | for (auto& m : sync_methods_) { |
Craig Tiller | 3b29b56 | 2015-02-11 12:58:46 -0800 | [diff] [blame] | 249 | m.Request(server_); |
Craig Tiller | cbd0485 | 2015-02-10 17:39:54 -0800 | [diff] [blame] | 250 | } |
| 251 | |
Craig Tiller | 7c72adc | 2015-02-09 14:07:26 -0800 | [diff] [blame] | 252 | ScheduleCallback(); |
| 253 | } |
Craig Tiller | 0db1bef | 2015-02-09 13:47:39 -0800 | [diff] [blame] | 254 | |
| 255 | return true; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 256 | } |
| 257 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 258 | void Server::Shutdown() { |
Craig Tiller | 6e57b9e | 2015-02-24 15:46:22 -0800 | [diff] [blame] | 259 | std::unique_lock<std::mutex> lock(mu_); |
| 260 | if (started_ && !shutdown_) { |
| 261 | shutdown_ = true; |
| 262 | grpc_server_shutdown(server_); |
| 263 | cq_.Shutdown(); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 264 | |
Craig Tiller | 6e57b9e | 2015-02-24 15:46:22 -0800 | [diff] [blame] | 265 | // Wait for running callbacks to finish. |
| 266 | while (num_running_cb_ != 0) { |
| 267 | callback_cv_.wait(lock); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 268 | } |
| 269 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 270 | } |
| 271 | |
Craig Tiller | 6e57b9e | 2015-02-24 15:46:22 -0800 | [diff] [blame] | 272 | void Server::Wait() { |
| 273 | std::unique_lock<std::mutex> lock(mu_); |
| 274 | while (num_running_cb_ != 0) { |
| 275 | callback_cv_.wait(lock); |
| 276 | } |
| 277 | } |
| 278 | |
Craig Tiller | 8c8d0aa | 2015-02-12 11:38:36 -0800 | [diff] [blame] | 279 | void Server::PerformOpsOnCall(CallOpBuffer* buf, Call* call) { |
Craig Tiller | bb5227f | 2015-02-11 13:34:48 -0800 | [diff] [blame] | 280 | static const size_t MAX_OPS = 8; |
| 281 | size_t nops = MAX_OPS; |
| 282 | grpc_op ops[MAX_OPS]; |
| 283 | buf->FillOps(ops, &nops); |
| 284 | GPR_ASSERT(GRPC_CALL_OK == |
Craig Tiller | 8c8d0aa | 2015-02-12 11:38:36 -0800 | [diff] [blame] | 285 | grpc_call_start_batch(call->call(), ops, nops, buf)); |
Craig Tiller | bb5227f | 2015-02-11 13:34:48 -0800 | [diff] [blame] | 286 | } |
| 287 | |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 288 | class Server::AsyncRequest GRPC_FINAL : public CompletionQueueTag { |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 289 | public: |
| 290 | AsyncRequest(Server* server, void* registered_method, ServerContext* ctx, |
Yang Gao | 7694c35 | 2015-03-03 09:48:06 -0800 | [diff] [blame] | 291 | grpc::protobuf::Message* request, |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 292 | ServerAsyncStreamingInterface* stream, CompletionQueue* cq, |
| 293 | void* tag) |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 294 | : tag_(tag), |
| 295 | request_(request), |
| 296 | stream_(stream), |
| 297 | cq_(cq), |
| 298 | ctx_(ctx), |
Yang Gao | 005eb88 | 2015-03-11 22:17:13 -0700 | [diff] [blame^] | 299 | generic_ctx_(nullptr), |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 300 | server_(server), |
| 301 | call_(nullptr), |
| 302 | payload_(nullptr) { |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 303 | memset(&array_, 0, sizeof(array_)); |
Yang Gao | 1c40233 | 2015-03-05 16:39:25 -0800 | [diff] [blame] | 304 | grpc_call_details_init(&call_details_); |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 305 | grpc_server_request_registered_call( |
Yang Gao | 1c40233 | 2015-03-05 16:39:25 -0800 | [diff] [blame] | 306 | server->server_, registered_method, &call_, &call_details_.deadline, |
| 307 | &array_, request ? &payload_ : nullptr, cq->cq(), this); |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 308 | } |
| 309 | |
Yang Gao | 005eb88 | 2015-03-11 22:17:13 -0700 | [diff] [blame^] | 310 | AsyncRequest(Server* server, GenericServerContext* ctx, |
Yang Gao | 1c40233 | 2015-03-05 16:39:25 -0800 | [diff] [blame] | 311 | ServerAsyncStreamingInterface* stream, CompletionQueue* cq, |
| 312 | void* tag) |
| 313 | : tag_(tag), |
| 314 | request_(nullptr), |
| 315 | stream_(stream), |
| 316 | cq_(cq), |
| 317 | ctx_(nullptr), |
Yang Gao | 005eb88 | 2015-03-11 22:17:13 -0700 | [diff] [blame^] | 318 | generic_ctx_(ctx), |
Yang Gao | 1c40233 | 2015-03-05 16:39:25 -0800 | [diff] [blame] | 319 | server_(server), |
| 320 | call_(nullptr), |
| 321 | payload_(nullptr) { |
| 322 | memset(&array_, 0, sizeof(array_)); |
| 323 | grpc_call_details_init(&call_details_); |
| 324 | grpc_server_request_call( |
| 325 | server->server_, &call_, &call_details_, &array_, cq->cq(), this); |
| 326 | } |
| 327 | |
| 328 | |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 329 | ~AsyncRequest() { |
| 330 | if (payload_) { |
| 331 | grpc_byte_buffer_destroy(payload_); |
| 332 | } |
| 333 | grpc_metadata_array_destroy(&array_); |
| 334 | } |
| 335 | |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 336 | bool FinalizeResult(void** tag, bool* status) GRPC_OVERRIDE { |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 337 | *tag = tag_; |
Vijay Pai | dbb7963 | 2015-03-03 11:54:27 -0800 | [diff] [blame] | 338 | bool orig_status = *status; |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 339 | if (*status && request_) { |
| 340 | if (payload_) { |
Craig Tiller | 645466e | 2015-02-18 09:18:33 -0800 | [diff] [blame] | 341 | *status = DeserializeProto(payload_, request_); |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 342 | } else { |
| 343 | *status = false; |
| 344 | } |
| 345 | } |
Yang Gao | 005eb88 | 2015-03-11 22:17:13 -0700 | [diff] [blame^] | 346 | ServerContext* ctx = ctx_ ? ctx_ : generic_ctx_; |
Yang Gao | 1c40233 | 2015-03-05 16:39:25 -0800 | [diff] [blame] | 347 | GPR_ASSERT(ctx); |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 348 | if (*status) { |
Yang Gao | 1c40233 | 2015-03-05 16:39:25 -0800 | [diff] [blame] | 349 | ctx->deadline_ = Timespec2Timepoint(call_details_.deadline); |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 350 | for (size_t i = 0; i < array_.count; i++) { |
Yang Gao | 1c40233 | 2015-03-05 16:39:25 -0800 | [diff] [blame] | 351 | ctx->client_metadata_.insert(std::make_pair( |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 352 | grpc::string(array_.metadata[i].key), |
| 353 | grpc::string( |
| 354 | array_.metadata[i].value, |
| 355 | array_.metadata[i].value + array_.metadata[i].value_length))); |
| 356 | } |
Yang Gao | 005eb88 | 2015-03-11 22:17:13 -0700 | [diff] [blame^] | 357 | if (generic_ctx_) { |
| 358 | generic_ctx_->method_ = call_details_.method; |
| 359 | generic_ctx_->host_ = call_details_.host; |
Yang Gao | 5f4539f | 2015-03-06 16:11:16 -0800 | [diff] [blame] | 360 | } |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 361 | } |
Yang Gao | 1c40233 | 2015-03-05 16:39:25 -0800 | [diff] [blame] | 362 | ctx->call_ = call_; |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 363 | Call call(call_, server_, cq_); |
Vijay Pai | dbb7963 | 2015-03-03 11:54:27 -0800 | [diff] [blame] | 364 | if (orig_status && call_) { |
Yang Gao | 1c40233 | 2015-03-05 16:39:25 -0800 | [diff] [blame] | 365 | ctx->BeginCompletionOp(&call); |
Vijay Pai | 0823cb7 | 2015-03-02 15:48:51 -0800 | [diff] [blame] | 366 | } |
Craig Tiller | 645466e | 2015-02-18 09:18:33 -0800 | [diff] [blame] | 367 | // just the pointers inside call are copied here |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 368 | stream_->BindCall(&call); |
| 369 | delete this; |
Craig Tiller | 645466e | 2015-02-18 09:18:33 -0800 | [diff] [blame] | 370 | return true; |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 371 | } |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 372 | |
| 373 | private: |
| 374 | void* const tag_; |
Yang Gao | 7694c35 | 2015-03-03 09:48:06 -0800 | [diff] [blame] | 375 | grpc::protobuf::Message* const request_; |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 376 | ServerAsyncStreamingInterface* const stream_; |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 377 | CompletionQueue* const cq_; |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 378 | ServerContext* const ctx_; |
Yang Gao | 005eb88 | 2015-03-11 22:17:13 -0700 | [diff] [blame^] | 379 | GenericServerContext* const generic_ctx_; |
Craig Tiller | 3d6ceb6 | 2015-02-12 14:33:54 -0800 | [diff] [blame] | 380 | Server* const server_; |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 381 | grpc_call* call_; |
Yang Gao | 1c40233 | 2015-03-05 16:39:25 -0800 | [diff] [blame] | 382 | grpc_call_details call_details_; |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 383 | grpc_metadata_array array_; |
Craig Tiller | cf133f4 | 2015-02-26 14:05:56 -0800 | [diff] [blame] | 384 | grpc_byte_buffer* payload_; |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 385 | }; |
| 386 | |
| 387 | void Server::RequestAsyncCall(void* registered_method, ServerContext* context, |
Yang Gao | 7694c35 | 2015-03-03 09:48:06 -0800 | [diff] [blame] | 388 | grpc::protobuf::Message* request, |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 389 | ServerAsyncStreamingInterface* stream, |
| 390 | CompletionQueue* cq, void* tag) { |
| 391 | new AsyncRequest(this, registered_method, context, request, stream, cq, tag); |
| 392 | } |
Yang Gao | 5f4539f | 2015-03-06 16:11:16 -0800 | [diff] [blame] | 393 | |
Yang Gao | 005eb88 | 2015-03-11 22:17:13 -0700 | [diff] [blame^] | 394 | void Server::RequestGenericCall(GenericServerContext* context, |
| 395 | ServerAsyncStreamingInterface* stream, |
| 396 | CompletionQueue* cq, void* tag) { |
Yang Gao | 1c40233 | 2015-03-05 16:39:25 -0800 | [diff] [blame] | 397 | new AsyncRequest(this, context, stream, cq, tag); |
| 398 | } |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 399 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 400 | void Server::ScheduleCallback() { |
| 401 | { |
| 402 | std::unique_lock<std::mutex> lock(mu_); |
| 403 | num_running_cb_++; |
| 404 | } |
Craig Tiller | 0db1bef | 2015-02-09 13:47:39 -0800 | [diff] [blame] | 405 | thread_pool_->ScheduleCallback(std::bind(&Server::RunRpc, this)); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 406 | } |
| 407 | |
| 408 | void Server::RunRpc() { |
| 409 | // Wait for one more incoming rpc. |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 410 | bool ok; |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 411 | auto* mrd = SyncRequest::Wait(&cq_, &ok); |
Craig Tiller | cbd0485 | 2015-02-10 17:39:54 -0800 | [diff] [blame] | 412 | if (mrd) { |
Craig Tiller | bd21757 | 2015-02-11 18:10:56 -0800 | [diff] [blame] | 413 | ScheduleCallback(); |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 414 | if (ok) { |
Craig Tiller | 1c9a2a9 | 2015-02-12 14:10:25 -0800 | [diff] [blame] | 415 | SyncRequest::CallData cd(this, mrd); |
Craig Tiller | 3b29b56 | 2015-02-11 12:58:46 -0800 | [diff] [blame] | 416 | mrd->Request(server_); |
Craig Tiller | cbd0485 | 2015-02-10 17:39:54 -0800 | [diff] [blame] | 417 | |
Craig Tiller | c416577 | 2015-02-11 10:51:04 -0800 | [diff] [blame] | 418 | cd.Run(); |
| 419 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 420 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 421 | |
| 422 | { |
| 423 | std::unique_lock<std::mutex> lock(mu_); |
| 424 | num_running_cb_--; |
| 425 | if (shutdown_) { |
| 426 | callback_cv_.notify_all(); |
| 427 | } |
| 428 | } |
| 429 | } |
| 430 | |
| 431 | } // namespace grpc |