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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "net/http/http_pipelined_connection_impl.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/bind_helpers.h" | |
| 9 #include "base/message_loop/message_loop.h" | |
| 10 #include "base/stl_util.h" | |
| 11 #include "base/values.h" | |
| 12 #include "net/base/io_buffer.h" | |
| 13 #include "net/http/http_pipelined_stream.h" | |
| 14 #include "net/http/http_request_info.h" | |
| 15 #include "net/http/http_response_body_drainer.h" | |
| 16 #include "net/http/http_response_headers.h" | |
| 17 #include "net/http/http_stream_parser.h" | |
| 18 #include "net/http/http_version.h" | |
| 19 #include "net/socket/client_socket_handle.h" | |
| 20 | |
| 21 namespace net { | |
| 22 | |
| 23 namespace { | |
| 24 | |
| 25 base::Value* NetLogReceivedHeadersCallback(const NetLog::Source& source, | |
| 26 const std::string* feedback, | |
| 27 NetLog::LogLevel /* log_level */) { | |
| 28 base::DictionaryValue* dict = new base::DictionaryValue; | |
| 29 source.AddToEventParameters(dict); | |
| 30 dict->SetString("feedback", *feedback); | |
| 31 return dict; | |
| 32 } | |
| 33 | |
| 34 base::Value* NetLogStreamClosedCallback(const NetLog::Source& source, | |
| 35 bool not_reusable, | |
| 36 NetLog::LogLevel /* log_level */) { | |
| 37 base::DictionaryValue* dict = new base::DictionaryValue; | |
| 38 source.AddToEventParameters(dict); | |
| 39 dict->SetBoolean("not_reusable", not_reusable); | |
| 40 return dict; | |
| 41 } | |
| 42 | |
| 43 base::Value* NetLogHostPortPairCallback(const HostPortPair* host_port_pair, | |
| 44 NetLog::LogLevel /* log_level */) { | |
| 45 base::DictionaryValue* dict = new base::DictionaryValue; | |
| 46 dict->SetString("host_and_port", host_port_pair->ToString()); | |
| 47 return dict; | |
| 48 } | |
| 49 | |
| 50 } // anonymous namespace | |
| 51 | |
| 52 HttpPipelinedConnection* | |
| 53 HttpPipelinedConnectionImpl::Factory::CreateNewPipeline( | |
| 54 ClientSocketHandle* connection, | |
| 55 HttpPipelinedConnection::Delegate* delegate, | |
| 56 const HostPortPair& origin, | |
| 57 const SSLConfig& used_ssl_config, | |
| 58 const ProxyInfo& used_proxy_info, | |
| 59 const BoundNetLog& net_log, | |
| 60 bool was_npn_negotiated, | |
| 61 NextProto protocol_negotiated) { | |
| 62 return new HttpPipelinedConnectionImpl(connection, delegate, origin, | |
| 63 used_ssl_config, used_proxy_info, | |
| 64 net_log, was_npn_negotiated, | |
| 65 protocol_negotiated); | |
| 66 } | |
| 67 | |
| 68 HttpPipelinedConnectionImpl::HttpPipelinedConnectionImpl( | |
| 69 ClientSocketHandle* connection, | |
| 70 HttpPipelinedConnection::Delegate* delegate, | |
| 71 const HostPortPair& origin, | |
| 72 const SSLConfig& used_ssl_config, | |
| 73 const ProxyInfo& used_proxy_info, | |
| 74 const BoundNetLog& net_log, | |
| 75 bool was_npn_negotiated, | |
| 76 NextProto protocol_negotiated) | |
| 77 : delegate_(delegate), | |
| 78 connection_(connection), | |
| 79 used_ssl_config_(used_ssl_config), | |
| 80 used_proxy_info_(used_proxy_info), | |
| 81 net_log_(BoundNetLog::Make(net_log.net_log(), | |
| 82 NetLog::SOURCE_HTTP_PIPELINED_CONNECTION)), | |
| 83 was_npn_negotiated_(was_npn_negotiated), | |
| 84 protocol_negotiated_(protocol_negotiated), | |
| 85 read_buf_(new GrowableIOBuffer()), | |
| 86 next_pipeline_id_(1), | |
| 87 active_(false), | |
| 88 usable_(true), | |
| 89 completed_one_request_(false), | |
| 90 weak_factory_(this), | |
| 91 send_next_state_(SEND_STATE_NONE), | |
| 92 send_still_on_call_stack_(false), | |
| 93 read_next_state_(READ_STATE_NONE), | |
| 94 active_read_id_(0), | |
| 95 read_still_on_call_stack_(false) { | |
| 96 CHECK(connection_.get()); | |
| 97 net_log_.BeginEvent( | |
| 98 NetLog::TYPE_HTTP_PIPELINED_CONNECTION, | |
| 99 base::Bind(&NetLogHostPortPairCallback, &origin)); | |
| 100 } | |
| 101 | |
| 102 HttpPipelinedConnectionImpl::~HttpPipelinedConnectionImpl() { | |
| 103 CHECK_EQ(depth(), 0); | |
| 104 CHECK(stream_info_map_.empty()); | |
| 105 CHECK(pending_send_request_queue_.empty()); | |
| 106 CHECK(request_order_.empty()); | |
| 107 CHECK_EQ(send_next_state_, SEND_STATE_NONE); | |
| 108 CHECK_EQ(read_next_state_, READ_STATE_NONE); | |
| 109 CHECK(!active_send_request_.get()); | |
| 110 CHECK(!active_read_id_); | |
| 111 if (!usable_) { | |
| 112 connection_->socket()->Disconnect(); | |
| 113 } | |
| 114 connection_->Reset(); | |
| 115 net_log_.EndEvent(NetLog::TYPE_HTTP_PIPELINED_CONNECTION); | |
| 116 } | |
| 117 | |
| 118 HttpPipelinedStream* HttpPipelinedConnectionImpl::CreateNewStream() { | |
| 119 int pipeline_id = next_pipeline_id_++; | |
| 120 CHECK(pipeline_id); | |
| 121 HttpPipelinedStream* stream = new HttpPipelinedStream(this, pipeline_id); | |
| 122 stream_info_map_.insert(std::make_pair(pipeline_id, StreamInfo())); | |
| 123 return stream; | |
| 124 } | |
| 125 | |
| 126 void HttpPipelinedConnectionImpl::InitializeParser( | |
| 127 int pipeline_id, | |
| 128 const HttpRequestInfo* request, | |
| 129 const BoundNetLog& net_log) { | |
| 130 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 131 CHECK(!stream_info_map_[pipeline_id].parser.get()); | |
| 132 stream_info_map_[pipeline_id].state = STREAM_BOUND; | |
| 133 stream_info_map_[pipeline_id].parser.reset(new HttpStreamParser( | |
| 134 connection_.get(), request, read_buf_.get(), net_log)); | |
| 135 stream_info_map_[pipeline_id].source = net_log.source(); | |
| 136 | |
| 137 // In case our first stream doesn't SendRequest() immediately, we should still | |
| 138 // allow others to use this pipeline. | |
| 139 if (pipeline_id == 1) { | |
| 140 base::MessageLoop::current()->PostTask( | |
| 141 FROM_HERE, | |
| 142 base::Bind(&HttpPipelinedConnectionImpl::ActivatePipeline, | |
| 143 weak_factory_.GetWeakPtr())); | |
| 144 } | |
| 145 } | |
| 146 | |
| 147 void HttpPipelinedConnectionImpl::ActivatePipeline() { | |
| 148 if (!active_) { | |
| 149 active_ = true; | |
| 150 delegate_->OnPipelineHasCapacity(this); | |
| 151 } | |
| 152 } | |
| 153 | |
| 154 void HttpPipelinedConnectionImpl::OnStreamDeleted(int pipeline_id) { | |
| 155 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 156 Close(pipeline_id, false); | |
| 157 | |
| 158 if (stream_info_map_[pipeline_id].state != STREAM_CREATED && | |
| 159 stream_info_map_[pipeline_id].state != STREAM_UNUSED) { | |
| 160 CHECK_EQ(stream_info_map_[pipeline_id].state, STREAM_CLOSED); | |
| 161 CHECK(stream_info_map_[pipeline_id].parser.get()); | |
| 162 stream_info_map_[pipeline_id].parser.reset(); | |
| 163 } | |
| 164 CHECK(!stream_info_map_[pipeline_id].parser.get()); | |
| 165 stream_info_map_.erase(pipeline_id); | |
| 166 | |
| 167 delegate_->OnPipelineHasCapacity(this); | |
| 168 } | |
| 169 | |
| 170 int HttpPipelinedConnectionImpl::SendRequest( | |
| 171 int pipeline_id, | |
| 172 const std::string& request_line, | |
| 173 const HttpRequestHeaders& headers, | |
| 174 HttpResponseInfo* response, | |
| 175 const CompletionCallback& callback) { | |
| 176 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 177 CHECK_EQ(stream_info_map_[pipeline_id].state, STREAM_BOUND); | |
| 178 if (!usable_) { | |
| 179 return ERR_PIPELINE_EVICTION; | |
| 180 } | |
| 181 | |
| 182 PendingSendRequest* send_request = new PendingSendRequest; | |
| 183 send_request->pipeline_id = pipeline_id; | |
| 184 send_request->request_line = request_line; | |
| 185 send_request->headers = headers; | |
| 186 send_request->response = response; | |
| 187 send_request->callback = callback; | |
| 188 pending_send_request_queue_.push(send_request); | |
| 189 | |
| 190 int rv; | |
| 191 if (send_next_state_ == SEND_STATE_NONE) { | |
| 192 send_next_state_ = SEND_STATE_START_IMMEDIATELY; | |
| 193 rv = DoSendRequestLoop(OK); | |
| 194 } else { | |
| 195 rv = ERR_IO_PENDING; | |
| 196 } | |
| 197 ActivatePipeline(); | |
| 198 return rv; | |
| 199 } | |
| 200 | |
| 201 int HttpPipelinedConnectionImpl::DoSendRequestLoop(int result) { | |
| 202 int rv = result; | |
| 203 do { | |
| 204 SendRequestState state = send_next_state_; | |
| 205 send_next_state_ = SEND_STATE_NONE; | |
| 206 switch (state) { | |
| 207 case SEND_STATE_START_IMMEDIATELY: | |
| 208 rv = DoStartRequestImmediately(rv); | |
| 209 break; | |
| 210 case SEND_STATE_START_NEXT_DEFERRED_REQUEST: | |
| 211 rv = DoStartNextDeferredRequest(rv); | |
| 212 break; | |
| 213 case SEND_STATE_SEND_ACTIVE_REQUEST: | |
| 214 rv = DoSendActiveRequest(rv); | |
| 215 break; | |
| 216 case SEND_STATE_COMPLETE: | |
| 217 rv = DoSendComplete(rv); | |
| 218 break; | |
| 219 case SEND_STATE_EVICT_PENDING_REQUESTS: | |
| 220 rv = DoEvictPendingSendRequests(rv); | |
| 221 break; | |
| 222 default: | |
| 223 CHECK(false) << "bad send state: " << state; | |
| 224 rv = ERR_FAILED; | |
| 225 break; | |
| 226 } | |
| 227 } while (rv != ERR_IO_PENDING && send_next_state_ != SEND_STATE_NONE); | |
| 228 send_still_on_call_stack_ = false; | |
| 229 return rv; | |
| 230 } | |
| 231 | |
| 232 void HttpPipelinedConnectionImpl::OnSendIOCallback(int result) { | |
| 233 CHECK(active_send_request_.get()); | |
| 234 DoSendRequestLoop(result); | |
| 235 } | |
| 236 | |
| 237 int HttpPipelinedConnectionImpl::DoStartRequestImmediately(int result) { | |
| 238 CHECK(!active_send_request_.get()); | |
| 239 CHECK_EQ(static_cast<size_t>(1), pending_send_request_queue_.size()); | |
| 240 // If SendRequest() completes synchronously, then we need to return the value | |
| 241 // directly to the caller. |send_still_on_call_stack_| will track this. | |
| 242 // Otherwise, asynchronous completions will notify the caller via callback. | |
| 243 send_still_on_call_stack_ = true; | |
| 244 active_send_request_.reset(pending_send_request_queue_.front()); | |
| 245 pending_send_request_queue_.pop(); | |
| 246 send_next_state_ = SEND_STATE_SEND_ACTIVE_REQUEST; | |
| 247 return OK; | |
| 248 } | |
| 249 | |
| 250 int HttpPipelinedConnectionImpl::DoStartNextDeferredRequest(int result) { | |
| 251 CHECK(!send_still_on_call_stack_); | |
| 252 CHECK(!active_send_request_.get()); | |
| 253 | |
| 254 while (!pending_send_request_queue_.empty()) { | |
| 255 scoped_ptr<PendingSendRequest> next_request( | |
| 256 pending_send_request_queue_.front()); | |
| 257 pending_send_request_queue_.pop(); | |
| 258 CHECK(ContainsKey(stream_info_map_, next_request->pipeline_id)); | |
| 259 if (stream_info_map_[next_request->pipeline_id].state != STREAM_CLOSED) { | |
| 260 active_send_request_.reset(next_request.release()); | |
| 261 send_next_state_ = SEND_STATE_SEND_ACTIVE_REQUEST; | |
| 262 return OK; | |
| 263 } | |
| 264 } | |
| 265 | |
| 266 send_next_state_ = SEND_STATE_NONE; | |
| 267 return OK; | |
| 268 } | |
| 269 | |
| 270 int HttpPipelinedConnectionImpl::DoSendActiveRequest(int result) { | |
| 271 CHECK(stream_info_map_[active_send_request_->pipeline_id].parser.get()); | |
| 272 int rv = stream_info_map_[active_send_request_->pipeline_id].parser-> | |
| 273 SendRequest(active_send_request_->request_line, | |
| 274 active_send_request_->headers, | |
| 275 active_send_request_->response, | |
| 276 base::Bind(&HttpPipelinedConnectionImpl::OnSendIOCallback, | |
| 277 base::Unretained(this))); | |
| 278 stream_info_map_[active_send_request_->pipeline_id].state = STREAM_SENDING; | |
| 279 send_next_state_ = SEND_STATE_COMPLETE; | |
| 280 return rv; | |
| 281 } | |
| 282 | |
| 283 int HttpPipelinedConnectionImpl::DoSendComplete(int result) { | |
| 284 CHECK(active_send_request_.get()); | |
| 285 CHECK_EQ(STREAM_SENDING, | |
| 286 stream_info_map_[active_send_request_->pipeline_id].state); | |
| 287 | |
| 288 request_order_.push(active_send_request_->pipeline_id); | |
| 289 stream_info_map_[active_send_request_->pipeline_id].state = STREAM_SENT; | |
| 290 net_log_.AddEvent( | |
| 291 NetLog::TYPE_HTTP_PIPELINED_CONNECTION_SENT_REQUEST, | |
| 292 stream_info_map_[active_send_request_->pipeline_id].source. | |
| 293 ToEventParametersCallback()); | |
| 294 | |
| 295 if (result == ERR_SOCKET_NOT_CONNECTED && completed_one_request_) { | |
| 296 result = ERR_PIPELINE_EVICTION; | |
| 297 } | |
| 298 if (result < OK) { | |
| 299 usable_ = false; | |
| 300 } | |
| 301 | |
| 302 if (!send_still_on_call_stack_) { | |
| 303 QueueUserCallback(active_send_request_->pipeline_id, | |
| 304 active_send_request_->callback, result, FROM_HERE); | |
| 305 } | |
| 306 | |
| 307 active_send_request_.reset(); | |
| 308 | |
| 309 if (send_still_on_call_stack_) { | |
| 310 // It should be impossible for another request to appear on the queue while | |
| 311 // this send was on the call stack. | |
| 312 CHECK(pending_send_request_queue_.empty()); | |
| 313 send_next_state_ = SEND_STATE_NONE; | |
| 314 } else if (!usable_) { | |
| 315 send_next_state_ = SEND_STATE_EVICT_PENDING_REQUESTS; | |
| 316 } else { | |
| 317 send_next_state_ = SEND_STATE_START_NEXT_DEFERRED_REQUEST; | |
| 318 } | |
| 319 | |
| 320 return result; | |
| 321 } | |
| 322 | |
| 323 int HttpPipelinedConnectionImpl::DoEvictPendingSendRequests(int result) { | |
| 324 while (!pending_send_request_queue_.empty()) { | |
| 325 scoped_ptr<PendingSendRequest> evicted_send( | |
| 326 pending_send_request_queue_.front()); | |
| 327 pending_send_request_queue_.pop(); | |
| 328 if (ContainsKey(stream_info_map_, evicted_send->pipeline_id) && | |
| 329 stream_info_map_[evicted_send->pipeline_id].state != STREAM_CLOSED) { | |
| 330 evicted_send->callback.Run(ERR_PIPELINE_EVICTION); | |
| 331 } | |
| 332 } | |
| 333 send_next_state_ = SEND_STATE_NONE; | |
| 334 return result; | |
| 335 } | |
| 336 | |
| 337 int HttpPipelinedConnectionImpl::ReadResponseHeaders( | |
| 338 int pipeline_id, const CompletionCallback& callback) { | |
| 339 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 340 CHECK_EQ(STREAM_SENT, stream_info_map_[pipeline_id].state); | |
| 341 CHECK(stream_info_map_[pipeline_id].read_headers_callback.is_null()); | |
| 342 | |
| 343 if (!usable_) | |
| 344 return ERR_PIPELINE_EVICTION; | |
| 345 | |
| 346 stream_info_map_[pipeline_id].state = STREAM_READ_PENDING; | |
| 347 stream_info_map_[pipeline_id].read_headers_callback = callback; | |
| 348 if (read_next_state_ == READ_STATE_NONE && | |
| 349 pipeline_id == request_order_.front()) { | |
| 350 read_next_state_ = READ_STATE_START_IMMEDIATELY; | |
| 351 return DoReadHeadersLoop(OK); | |
| 352 } | |
| 353 return ERR_IO_PENDING; | |
| 354 } | |
| 355 | |
| 356 void HttpPipelinedConnectionImpl::StartNextDeferredRead() { | |
| 357 if (read_next_state_ == READ_STATE_NONE) { | |
| 358 read_next_state_ = READ_STATE_START_NEXT_DEFERRED_READ; | |
| 359 DoReadHeadersLoop(OK); | |
| 360 } | |
| 361 } | |
| 362 | |
| 363 int HttpPipelinedConnectionImpl::DoReadHeadersLoop(int result) { | |
| 364 int rv = result; | |
| 365 do { | |
| 366 ReadHeadersState state = read_next_state_; | |
| 367 read_next_state_ = READ_STATE_NONE; | |
| 368 switch (state) { | |
| 369 case READ_STATE_START_IMMEDIATELY: | |
| 370 rv = DoStartReadImmediately(rv); | |
| 371 break; | |
| 372 case READ_STATE_START_NEXT_DEFERRED_READ: | |
| 373 rv = DoStartNextDeferredRead(rv); | |
| 374 break; | |
| 375 case READ_STATE_READ_HEADERS: | |
| 376 rv = DoReadHeaders(rv); | |
| 377 break; | |
| 378 case READ_STATE_READ_HEADERS_COMPLETE: | |
| 379 rv = DoReadHeadersComplete(rv); | |
| 380 break; | |
| 381 case READ_STATE_WAITING_FOR_CLOSE: | |
| 382 // This is a holding state. We return instead of continuing to run hte | |
| 383 // loop. The state will advance when the stream calls Close(). | |
| 384 rv = DoReadWaitForClose(rv); | |
| 385 read_still_on_call_stack_ = false; | |
| 386 return rv; | |
| 387 case READ_STATE_STREAM_CLOSED: | |
| 388 rv = DoReadStreamClosed(); | |
| 389 break; | |
| 390 case READ_STATE_EVICT_PENDING_READS: | |
| 391 rv = DoEvictPendingReadHeaders(rv); | |
| 392 break; | |
| 393 case READ_STATE_NONE: | |
| 394 break; | |
| 395 default: | |
| 396 CHECK(false) << "bad read state"; | |
| 397 rv = ERR_FAILED; | |
| 398 break; | |
| 399 } | |
| 400 } while (rv != ERR_IO_PENDING && read_next_state_ != READ_STATE_NONE); | |
| 401 read_still_on_call_stack_ = false; | |
| 402 return rv; | |
| 403 } | |
| 404 | |
| 405 void HttpPipelinedConnectionImpl::OnReadIOCallback(int result) { | |
| 406 DoReadHeadersLoop(result); | |
| 407 } | |
| 408 | |
| 409 int HttpPipelinedConnectionImpl::DoStartReadImmediately(int result) { | |
| 410 CHECK(!active_read_id_); | |
| 411 CHECK(!read_still_on_call_stack_); | |
| 412 CHECK(!request_order_.empty()); | |
| 413 // If ReadResponseHeaders() completes synchronously, then we need to return | |
| 414 // the value directly to the caller. |read_still_on_call_stack_| will track | |
| 415 // this. Otherwise, asynchronous completions will notify the caller via | |
| 416 // callback. | |
| 417 read_still_on_call_stack_ = true; | |
| 418 read_next_state_ = READ_STATE_READ_HEADERS; | |
| 419 active_read_id_ = request_order_.front(); | |
| 420 request_order_.pop(); | |
| 421 return OK; | |
| 422 } | |
| 423 | |
| 424 int HttpPipelinedConnectionImpl::DoStartNextDeferredRead(int result) { | |
| 425 CHECK(!active_read_id_); | |
| 426 CHECK(!read_still_on_call_stack_); | |
| 427 | |
| 428 if (request_order_.empty()) { | |
| 429 read_next_state_ = READ_STATE_NONE; | |
| 430 return OK; | |
| 431 } | |
| 432 | |
| 433 int next_id = request_order_.front(); | |
| 434 CHECK(ContainsKey(stream_info_map_, next_id)); | |
| 435 switch (stream_info_map_[next_id].state) { | |
| 436 case STREAM_READ_PENDING: | |
| 437 read_next_state_ = READ_STATE_READ_HEADERS; | |
| 438 active_read_id_ = next_id; | |
| 439 request_order_.pop(); | |
| 440 break; | |
| 441 | |
| 442 case STREAM_CLOSED: | |
| 443 // Since nobody will read whatever data is on the pipeline associated with | |
| 444 // this closed request, we must shut down the rest of the pipeline. | |
| 445 read_next_state_ = READ_STATE_EVICT_PENDING_READS; | |
| 446 break; | |
| 447 | |
| 448 case STREAM_SENT: | |
| 449 read_next_state_ = READ_STATE_NONE; | |
| 450 break; | |
| 451 | |
| 452 default: | |
| 453 CHECK(false) << "Unexpected read state: " | |
| 454 << stream_info_map_[next_id].state; | |
| 455 } | |
| 456 | |
| 457 return OK; | |
| 458 } | |
| 459 | |
| 460 int HttpPipelinedConnectionImpl::DoReadHeaders(int result) { | |
| 461 CHECK(active_read_id_); | |
| 462 CHECK(ContainsKey(stream_info_map_, active_read_id_)); | |
| 463 CHECK_EQ(STREAM_READ_PENDING, stream_info_map_[active_read_id_].state); | |
| 464 stream_info_map_[active_read_id_].state = STREAM_ACTIVE; | |
| 465 int rv = stream_info_map_[active_read_id_].parser->ReadResponseHeaders( | |
| 466 base::Bind(&HttpPipelinedConnectionImpl::OnReadIOCallback, | |
| 467 base::Unretained(this))); | |
| 468 read_next_state_ = READ_STATE_READ_HEADERS_COMPLETE; | |
| 469 return rv; | |
| 470 } | |
| 471 | |
| 472 int HttpPipelinedConnectionImpl::DoReadHeadersComplete(int result) { | |
| 473 CHECK(active_read_id_); | |
| 474 CHECK(ContainsKey(stream_info_map_, active_read_id_)); | |
| 475 CHECK_EQ(STREAM_ACTIVE, stream_info_map_[active_read_id_].state); | |
| 476 | |
| 477 read_next_state_ = READ_STATE_WAITING_FOR_CLOSE; | |
| 478 if (result < OK) { | |
| 479 if (completed_one_request_ && | |
| 480 (result == ERR_CONNECTION_CLOSED || | |
| 481 result == ERR_EMPTY_RESPONSE || | |
| 482 result == ERR_SOCKET_NOT_CONNECTED)) { | |
| 483 // These usually indicate that pipelining failed on the server side. In | |
| 484 // that case, we should retry without pipelining. | |
| 485 result = ERR_PIPELINE_EVICTION; | |
| 486 } | |
| 487 usable_ = false; | |
| 488 } | |
| 489 | |
| 490 CheckHeadersForPipelineCompatibility(active_read_id_, result); | |
| 491 | |
| 492 if (!read_still_on_call_stack_) { | |
| 493 QueueUserCallback(active_read_id_, | |
| 494 stream_info_map_[active_read_id_].read_headers_callback, | |
| 495 result, FROM_HERE); | |
| 496 } | |
| 497 | |
| 498 return result; | |
| 499 } | |
| 500 | |
| 501 int HttpPipelinedConnectionImpl::DoReadWaitForClose(int result) { | |
| 502 read_next_state_ = READ_STATE_WAITING_FOR_CLOSE; | |
| 503 return result; | |
| 504 } | |
| 505 | |
| 506 int HttpPipelinedConnectionImpl::DoReadStreamClosed() { | |
| 507 CHECK(active_read_id_); | |
| 508 CHECK(ContainsKey(stream_info_map_, active_read_id_)); | |
| 509 CHECK_EQ(stream_info_map_[active_read_id_].state, STREAM_CLOSED); | |
| 510 active_read_id_ = 0; | |
| 511 if (!usable_) { | |
| 512 // TODO(simonjam): Don't wait this long to evict. | |
| 513 read_next_state_ = READ_STATE_EVICT_PENDING_READS; | |
| 514 return OK; | |
| 515 } | |
| 516 completed_one_request_ = true; | |
| 517 base::MessageLoop::current()->PostTask( | |
| 518 FROM_HERE, | |
| 519 base::Bind(&HttpPipelinedConnectionImpl::StartNextDeferredRead, | |
| 520 weak_factory_.GetWeakPtr())); | |
| 521 read_next_state_ = READ_STATE_NONE; | |
| 522 return OK; | |
| 523 } | |
| 524 | |
| 525 int HttpPipelinedConnectionImpl::DoEvictPendingReadHeaders(int result) { | |
| 526 while (!request_order_.empty()) { | |
| 527 int evicted_id = request_order_.front(); | |
| 528 request_order_.pop(); | |
| 529 if (!ContainsKey(stream_info_map_, evicted_id)) { | |
| 530 continue; | |
| 531 } | |
| 532 if (stream_info_map_[evicted_id].state == STREAM_READ_PENDING) { | |
| 533 stream_info_map_[evicted_id].state = STREAM_READ_EVICTED; | |
| 534 stream_info_map_[evicted_id].read_headers_callback.Run( | |
| 535 ERR_PIPELINE_EVICTION); | |
| 536 } | |
| 537 } | |
| 538 read_next_state_ = READ_STATE_NONE; | |
| 539 return result; | |
| 540 } | |
| 541 | |
| 542 void HttpPipelinedConnectionImpl::Close(int pipeline_id, | |
| 543 bool not_reusable) { | |
| 544 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 545 net_log_.AddEvent( | |
| 546 NetLog::TYPE_HTTP_PIPELINED_CONNECTION_STREAM_CLOSED, | |
| 547 base::Bind(&NetLogStreamClosedCallback, | |
| 548 stream_info_map_[pipeline_id].source, not_reusable)); | |
| 549 switch (stream_info_map_[pipeline_id].state) { | |
| 550 case STREAM_CREATED: | |
| 551 stream_info_map_[pipeline_id].state = STREAM_UNUSED; | |
| 552 break; | |
| 553 | |
| 554 case STREAM_BOUND: | |
| 555 stream_info_map_[pipeline_id].state = STREAM_CLOSED; | |
| 556 break; | |
| 557 | |
| 558 case STREAM_SENDING: | |
| 559 usable_ = false; | |
| 560 stream_info_map_[pipeline_id].state = STREAM_CLOSED; | |
| 561 active_send_request_.reset(); | |
| 562 send_next_state_ = SEND_STATE_EVICT_PENDING_REQUESTS; | |
| 563 DoSendRequestLoop(OK); | |
| 564 break; | |
| 565 | |
| 566 case STREAM_SENT: | |
| 567 case STREAM_READ_PENDING: | |
| 568 usable_ = false; | |
| 569 stream_info_map_[pipeline_id].state = STREAM_CLOSED; | |
| 570 if (!request_order_.empty() && | |
| 571 pipeline_id == request_order_.front() && | |
| 572 read_next_state_ == READ_STATE_NONE) { | |
| 573 read_next_state_ = READ_STATE_EVICT_PENDING_READS; | |
| 574 DoReadHeadersLoop(OK); | |
| 575 } | |
| 576 break; | |
| 577 | |
| 578 case STREAM_ACTIVE: | |
| 579 stream_info_map_[pipeline_id].state = STREAM_CLOSED; | |
| 580 if (not_reusable) { | |
| 581 usable_ = false; | |
| 582 } | |
| 583 read_next_state_ = READ_STATE_STREAM_CLOSED; | |
| 584 DoReadHeadersLoop(OK); | |
| 585 break; | |
| 586 | |
| 587 case STREAM_READ_EVICTED: | |
| 588 stream_info_map_[pipeline_id].state = STREAM_CLOSED; | |
| 589 break; | |
| 590 | |
| 591 case STREAM_CLOSED: | |
| 592 case STREAM_UNUSED: | |
| 593 // TODO(simonjam): Why is Close() sometimes called twice? | |
| 594 break; | |
| 595 | |
| 596 default: | |
| 597 CHECK(false); | |
| 598 break; | |
| 599 } | |
| 600 } | |
| 601 | |
| 602 int HttpPipelinedConnectionImpl::ReadResponseBody( | |
| 603 int pipeline_id, IOBuffer* buf, int buf_len, | |
| 604 const CompletionCallback& callback) { | |
| 605 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 606 CHECK_EQ(active_read_id_, pipeline_id); | |
| 607 CHECK(stream_info_map_[pipeline_id].parser.get()); | |
| 608 return stream_info_map_[pipeline_id].parser->ReadResponseBody( | |
| 609 buf, buf_len, callback); | |
| 610 } | |
| 611 | |
| 612 UploadProgress HttpPipelinedConnectionImpl::GetUploadProgress( | |
| 613 int pipeline_id) const { | |
| 614 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 615 CHECK(stream_info_map_.find(pipeline_id)->second.parser.get()); | |
| 616 return stream_info_map_.find(pipeline_id)->second.parser->GetUploadProgress(); | |
| 617 } | |
| 618 | |
| 619 HttpResponseInfo* HttpPipelinedConnectionImpl::GetResponseInfo( | |
| 620 int pipeline_id) { | |
| 621 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 622 CHECK(stream_info_map_.find(pipeline_id)->second.parser.get()); | |
| 623 return stream_info_map_.find(pipeline_id)->second.parser->GetResponseInfo(); | |
| 624 } | |
| 625 | |
| 626 bool HttpPipelinedConnectionImpl::IsResponseBodyComplete( | |
| 627 int pipeline_id) const { | |
| 628 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 629 CHECK(stream_info_map_.find(pipeline_id)->second.parser.get()); | |
| 630 return stream_info_map_.find(pipeline_id)->second.parser-> | |
| 631 IsResponseBodyComplete(); | |
| 632 } | |
| 633 | |
| 634 bool HttpPipelinedConnectionImpl::CanFindEndOfResponse(int pipeline_id) const { | |
| 635 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 636 CHECK(stream_info_map_.find(pipeline_id)->second.parser.get()); | |
| 637 return stream_info_map_.find(pipeline_id)->second.parser-> | |
| 638 CanFindEndOfResponse(); | |
| 639 } | |
| 640 | |
| 641 bool HttpPipelinedConnectionImpl::IsConnectionReused(int pipeline_id) const { | |
| 642 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 643 if (pipeline_id > 1) { | |
| 644 return true; | |
| 645 } | |
| 646 ClientSocketHandle::SocketReuseType reuse_type = connection_->reuse_type(); | |
| 647 return connection_->is_reused() || | |
| 648 reuse_type == ClientSocketHandle::UNUSED_IDLE; | |
| 649 } | |
| 650 | |
| 651 void HttpPipelinedConnectionImpl::SetConnectionReused(int pipeline_id) { | |
| 652 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 653 connection_->set_reuse_type(ClientSocketHandle::REUSED_IDLE); | |
| 654 } | |
| 655 | |
| 656 int64 HttpPipelinedConnectionImpl::GetTotalReceivedBytes( | |
| 657 int pipeline_id) const { | |
| 658 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 659 if (stream_info_map_.find(pipeline_id)->second.parser.get()) | |
| 660 return stream_info_map_.find(pipeline_id)->second.parser->received_bytes(); | |
| 661 return 0; | |
| 662 } | |
| 663 | |
| 664 bool HttpPipelinedConnectionImpl::GetLoadTimingInfo( | |
| 665 int pipeline_id, LoadTimingInfo* load_timing_info) const { | |
| 666 return connection_->GetLoadTimingInfo(IsConnectionReused(pipeline_id), | |
| 667 load_timing_info); | |
| 668 } | |
| 669 | |
| 670 void HttpPipelinedConnectionImpl::GetSSLInfo(int pipeline_id, | |
| 671 SSLInfo* ssl_info) { | |
| 672 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 673 CHECK(stream_info_map_[pipeline_id].parser.get()); | |
| 674 stream_info_map_[pipeline_id].parser->GetSSLInfo(ssl_info); | |
| 675 } | |
| 676 | |
| 677 void HttpPipelinedConnectionImpl::GetSSLCertRequestInfo( | |
| 678 int pipeline_id, | |
| 679 SSLCertRequestInfo* cert_request_info) { | |
| 680 CHECK(ContainsKey(stream_info_map_, pipeline_id)); | |
| 681 CHECK(stream_info_map_[pipeline_id].parser.get()); | |
| 682 stream_info_map_[pipeline_id].parser->GetSSLCertRequestInfo( | |
| 683 cert_request_info); | |
| 684 } | |
| 685 | |
| 686 void HttpPipelinedConnectionImpl::Drain(HttpPipelinedStream* stream, | |
| 687 HttpNetworkSession* session) { | |
| 688 HttpResponseHeaders* headers = stream->GetResponseInfo()->headers.get(); | |
| 689 if (!stream->CanFindEndOfResponse() || headers->IsChunkEncoded() || | |
| 690 !usable_) { | |
| 691 // TODO(simonjam): Drain chunk-encoded responses if they're relatively | |
| 692 // common. | |
| 693 stream->Close(true); | |
| 694 delete stream; | |
| 695 return; | |
| 696 } | |
| 697 HttpResponseBodyDrainer* drainer = new HttpResponseBodyDrainer(stream); | |
| 698 drainer->StartWithSize(session, headers->GetContentLength()); | |
| 699 // |drainer| will delete itself when done. | |
| 700 } | |
| 701 | |
| 702 void HttpPipelinedConnectionImpl::CheckHeadersForPipelineCompatibility( | |
| 703 int pipeline_id, | |
| 704 int result) { | |
| 705 if (result < OK) { | |
| 706 switch (result) { | |
| 707 // TODO(simonjam): Ignoring specific errors like this may not work. | |
| 708 // Collect metrics to see if this code is useful. | |
| 709 case ERR_ABORTED: | |
| 710 case ERR_INTERNET_DISCONNECTED: | |
| 711 case ERR_NETWORK_CHANGED: | |
| 712 // These errors are no fault of the server. | |
| 713 break; | |
| 714 | |
| 715 default: | |
| 716 ReportPipelineFeedback(pipeline_id, PIPELINE_SOCKET_ERROR); | |
| 717 break; | |
| 718 } | |
| 719 return; | |
| 720 } | |
| 721 HttpResponseInfo* info = GetResponseInfo(pipeline_id); | |
| 722 const HttpVersion required_version(1, 1); | |
| 723 if (info->headers->GetParsedHttpVersion() < required_version) { | |
| 724 ReportPipelineFeedback(pipeline_id, OLD_HTTP_VERSION); | |
| 725 return; | |
| 726 } | |
| 727 if (!info->headers->IsKeepAlive() || !CanFindEndOfResponse(pipeline_id)) { | |
| 728 usable_ = false; | |
| 729 ReportPipelineFeedback(pipeline_id, MUST_CLOSE_CONNECTION); | |
| 730 return; | |
| 731 } | |
| 732 if (info->headers->HasHeader( | |
| 733 HttpAuth::GetChallengeHeaderName(HttpAuth::AUTH_SERVER))) { | |
| 734 ReportPipelineFeedback(pipeline_id, AUTHENTICATION_REQUIRED); | |
| 735 return; | |
| 736 } | |
| 737 ReportPipelineFeedback(pipeline_id, OK); | |
| 738 } | |
| 739 | |
| 740 void HttpPipelinedConnectionImpl::ReportPipelineFeedback(int pipeline_id, | |
| 741 Feedback feedback) { | |
| 742 std::string feedback_str; | |
| 743 switch (feedback) { | |
| 744 case OK: | |
| 745 feedback_str = "OK"; | |
| 746 break; | |
| 747 | |
| 748 case PIPELINE_SOCKET_ERROR: | |
| 749 feedback_str = "PIPELINE_SOCKET_ERROR"; | |
| 750 break; | |
| 751 | |
| 752 case OLD_HTTP_VERSION: | |
| 753 feedback_str = "OLD_HTTP_VERSION"; | |
| 754 break; | |
| 755 | |
| 756 case MUST_CLOSE_CONNECTION: | |
| 757 feedback_str = "MUST_CLOSE_CONNECTION"; | |
| 758 break; | |
| 759 | |
| 760 case AUTHENTICATION_REQUIRED: | |
| 761 feedback_str = "AUTHENTICATION_REQUIRED"; | |
| 762 break; | |
| 763 | |
| 764 default: | |
| 765 NOTREACHED(); | |
| 766 feedback_str = "UNKNOWN"; | |
| 767 break; | |
| 768 } | |
| 769 net_log_.AddEvent( | |
| 770 NetLog::TYPE_HTTP_PIPELINED_CONNECTION_RECEIVED_HEADERS, | |
| 771 base::Bind(&NetLogReceivedHeadersCallback, | |
| 772 stream_info_map_[pipeline_id].source, &feedback_str)); | |
| 773 delegate_->OnPipelineFeedback(this, feedback); | |
| 774 } | |
| 775 | |
| 776 void HttpPipelinedConnectionImpl::QueueUserCallback( | |
| 777 int pipeline_id, const CompletionCallback& callback, int rv, | |
| 778 const tracked_objects::Location& from_here) { | |
| 779 CHECK(stream_info_map_[pipeline_id].pending_user_callback.is_null()); | |
| 780 stream_info_map_[pipeline_id].pending_user_callback = callback; | |
| 781 base::MessageLoop::current()->PostTask( | |
| 782 from_here, | |
| 783 base::Bind(&HttpPipelinedConnectionImpl::FireUserCallback, | |
| 784 weak_factory_.GetWeakPtr(), pipeline_id, rv)); | |
| 785 } | |
| 786 | |
| 787 void HttpPipelinedConnectionImpl::FireUserCallback(int pipeline_id, | |
| 788 int result) { | |
| 789 if (ContainsKey(stream_info_map_, pipeline_id)) { | |
| 790 CHECK(!stream_info_map_[pipeline_id].pending_user_callback.is_null()); | |
| 791 CompletionCallback callback = | |
| 792 stream_info_map_[pipeline_id].pending_user_callback; | |
| 793 stream_info_map_[pipeline_id].pending_user_callback.Reset(); | |
| 794 callback.Run(result); | |
| 795 } | |
| 796 } | |
| 797 | |
| 798 int HttpPipelinedConnectionImpl::depth() const { | |
| 799 return stream_info_map_.size(); | |
| 800 } | |
| 801 | |
| 802 bool HttpPipelinedConnectionImpl::usable() const { | |
| 803 return usable_; | |
| 804 } | |
| 805 | |
| 806 bool HttpPipelinedConnectionImpl::active() const { | |
| 807 return active_; | |
| 808 } | |
| 809 | |
| 810 const SSLConfig& HttpPipelinedConnectionImpl::used_ssl_config() const { | |
| 811 return used_ssl_config_; | |
| 812 } | |
| 813 | |
| 814 const ProxyInfo& HttpPipelinedConnectionImpl::used_proxy_info() const { | |
| 815 return used_proxy_info_; | |
| 816 } | |
| 817 | |
| 818 const BoundNetLog& HttpPipelinedConnectionImpl::net_log() const { | |
| 819 return net_log_; | |
| 820 } | |
| 821 | |
| 822 bool HttpPipelinedConnectionImpl::was_npn_negotiated() const { | |
| 823 return was_npn_negotiated_; | |
| 824 } | |
| 825 | |
| 826 NextProto HttpPipelinedConnectionImpl::protocol_negotiated() | |
| 827 const { | |
| 828 return protocol_negotiated_; | |
| 829 } | |
| 830 | |
| 831 HttpPipelinedConnectionImpl::PendingSendRequest::PendingSendRequest() | |
| 832 : pipeline_id(0), | |
| 833 response(NULL) { | |
| 834 } | |
| 835 | |
| 836 HttpPipelinedConnectionImpl::PendingSendRequest::~PendingSendRequest() { | |
| 837 } | |
| 838 | |
| 839 HttpPipelinedConnectionImpl::StreamInfo::StreamInfo() | |
| 840 : state(STREAM_CREATED) { | |
| 841 } | |
| 842 | |
| 843 HttpPipelinedConnectionImpl::StreamInfo::~StreamInfo() { | |
| 844 } | |
| 845 | |
| 846 } // namespace net | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 275953002:
Remove HTTP pipelining support. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src