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1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "net/http/http_stream_factory_impl_job_controller.h" | 5 #include "net/http/http_stream_factory_impl_job_controller.h" |
6 | 6 |
7 #include <memory> | 7 #include <memory> |
8 #include <string> | 8 #include <string> |
9 #include <utility> | 9 #include <utility> |
10 | 10 |
(...skipping 11 matching lines...) Expand all Loading... | |
22 #include "net/log/net_log_capture_mode.h" | 22 #include "net/log/net_log_capture_mode.h" |
23 #include "net/log/net_log_event_type.h" | 23 #include "net/log/net_log_event_type.h" |
24 #include "net/log/net_log_source.h" | 24 #include "net/log/net_log_source.h" |
25 #include "net/log/net_log_with_source.h" | 25 #include "net/log/net_log_with_source.h" |
26 #include "net/proxy/proxy_server.h" | 26 #include "net/proxy/proxy_server.h" |
27 #include "net/spdy/chromium/spdy_session.h" | 27 #include "net/spdy/chromium/spdy_session.h" |
28 #include "url/url_constants.h" | 28 #include "url/url_constants.h" |
29 | 29 |
30 namespace net { | 30 namespace net { |
31 | 31 |
32 namespace { | |
33 // Returns parameters associated with the proxy resolution. | |
34 std::unique_ptr<base::Value> NetLogHttpStreamJobProxyServerResolved( | |
35 const ProxyServer& proxy_server, | |
36 NetLogCaptureMode /* capture_mode */) { | |
37 std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue()); | |
38 | |
39 dict->SetString("proxy_server", proxy_server.is_valid() | |
40 ? proxy_server.ToPacString() | |
41 : std::string()); | |
42 return std::move(dict); | |
43 } | |
44 | |
45 } // namespace | |
46 | |
32 // The maximum time to wait for the alternate job to complete before resuming | 47 // The maximum time to wait for the alternate job to complete before resuming |
33 // the main job. | 48 // the main job. |
34 const int kMaxDelayTimeForMainJobSecs = 3; | 49 const int kMaxDelayTimeForMainJobSecs = 3; |
35 | 50 |
36 std::unique_ptr<base::Value> NetLogJobControllerCallback( | 51 std::unique_ptr<base::Value> NetLogJobControllerCallback( |
37 const GURL* url, | 52 const GURL* url, |
38 bool is_preconnect, | 53 bool is_preconnect, |
39 NetLogCaptureMode /* capture_mode */) { | 54 NetLogCaptureMode /* capture_mode */) { |
40 auto dict = base::MakeUnique<base::DictionaryValue>(); | 55 auto dict = base::MakeUnique<base::DictionaryValue>(); |
41 dict->SetString("url", url->possibly_invalid_spec()); | 56 dict->SetString("url", url->possibly_invalid_spec()); |
42 dict->SetBoolean("is_preconnect", is_preconnect); | 57 dict->SetBoolean("is_preconnect", is_preconnect); |
43 return std::move(dict); | 58 return std::move(dict); |
44 } | 59 } |
45 | 60 |
46 HttpStreamFactoryImpl::JobController::JobController( | 61 HttpStreamFactoryImpl::JobController::JobController( |
47 HttpStreamFactoryImpl* factory, | 62 HttpStreamFactoryImpl* factory, |
48 HttpStreamRequest::Delegate* delegate, | 63 HttpStreamRequest::Delegate* delegate, |
49 HttpNetworkSession* session, | 64 HttpNetworkSession* session, |
50 JobFactory* job_factory, | 65 JobFactory* job_factory, |
51 const HttpRequestInfo& request_info, | 66 const HttpRequestInfo& request_info, |
52 bool is_preconnect, | 67 bool is_preconnect, |
53 bool enable_ip_based_pooling, | 68 bool enable_ip_based_pooling, |
54 bool enable_alternative_services) | 69 bool enable_alternative_services, |
70 const SSLConfig& server_ssl_config, | |
71 const SSLConfig& proxy_ssl_config) | |
55 : factory_(factory), | 72 : factory_(factory), |
56 session_(session), | 73 session_(session), |
57 job_factory_(job_factory), | 74 job_factory_(job_factory), |
58 request_(nullptr), | 75 request_(nullptr), |
59 delegate_(delegate), | 76 delegate_(delegate), |
60 is_preconnect_(is_preconnect), | 77 is_preconnect_(is_preconnect), |
61 enable_ip_based_pooling_(enable_ip_based_pooling), | 78 enable_ip_based_pooling_(enable_ip_based_pooling), |
62 enable_alternative_services_(enable_alternative_services), | 79 enable_alternative_services_(enable_alternative_services), |
63 alternative_job_net_error_(OK), | 80 alternative_job_net_error_(OK), |
64 job_bound_(false), | 81 job_bound_(false), |
65 main_job_is_blocked_(false), | 82 main_job_is_blocked_(false), |
66 main_job_is_resumed_(false), | 83 main_job_is_resumed_(false), |
67 bound_job_(nullptr), | 84 bound_job_(nullptr), |
68 can_start_alternative_proxy_job_(false), | 85 can_start_alternative_proxy_job_(true), |
69 privacy_mode_(PRIVACY_MODE_DISABLED), | 86 privacy_mode_(PRIVACY_MODE_DISABLED), |
87 next_state_(STATE_RESOLVE_PROXY), | |
88 pac_request_(nullptr), | |
70 net_log_( | 89 net_log_( |
71 NetLogWithSource::Make(session->net_log(), | 90 NetLogWithSource::Make(session->net_log(), |
72 NetLogSourceType::HTTP_STREAM_JOB_CONTROLLER)), | 91 NetLogSourceType::HTTP_STREAM_JOB_CONTROLLER)), |
92 io_callback_( | |
93 base::Bind(&JobController::OnIOComplete, base::Unretained(this))), | |
94 request_info_(request_info), | |
95 server_ssl_config_(server_ssl_config), | |
96 proxy_ssl_config_(proxy_ssl_config), | |
97 num_streams_(0), | |
98 priority_(IDLE), | |
73 ptr_factory_(this) { | 99 ptr_factory_(this) { |
74 DCHECK(factory); | 100 DCHECK(factory); |
75 net_log_.BeginEvent(NetLogEventType::HTTP_STREAM_JOB_CONTROLLER, | 101 net_log_.BeginEvent(NetLogEventType::HTTP_STREAM_JOB_CONTROLLER, |
76 base::Bind(&NetLogJobControllerCallback, | 102 base::Bind(&NetLogJobControllerCallback, |
77 &request_info.url, is_preconnect)); | 103 &request_info.url, is_preconnect)); |
78 } | 104 } |
79 | 105 |
80 HttpStreamFactoryImpl::JobController::~JobController() { | 106 HttpStreamFactoryImpl::JobController::~JobController() { |
81 main_job_.reset(); | 107 main_job_.reset(); |
82 alternative_job_.reset(); | 108 alternative_job_.reset(); |
83 bound_job_ = nullptr; | 109 bound_job_ = nullptr; |
110 if (pac_request_) | |
111 session_->proxy_service()->CancelPacRequest(pac_request_); | |
84 net_log_.EndEvent(NetLogEventType::HTTP_STREAM_JOB_CONTROLLER); | 112 net_log_.EndEvent(NetLogEventType::HTTP_STREAM_JOB_CONTROLLER); |
85 } | 113 } |
86 | 114 |
87 bool HttpStreamFactoryImpl::JobController::for_websockets() { | 115 bool HttpStreamFactoryImpl::JobController::for_websockets() { |
88 return factory_->for_websockets_; | 116 return factory_->for_websockets_; |
89 } | 117 } |
90 | 118 |
91 HttpStreamFactoryImpl::Request* HttpStreamFactoryImpl::JobController::Start( | 119 HttpStreamFactoryImpl::Request* HttpStreamFactoryImpl::JobController::Start( |
92 const HttpRequestInfo& request_info, | |
93 HttpStreamRequest::Delegate* delegate, | 120 HttpStreamRequest::Delegate* delegate, |
94 WebSocketHandshakeStreamBase::CreateHelper* | 121 WebSocketHandshakeStreamBase::CreateHelper* |
95 websocket_handshake_stream_create_helper, | 122 websocket_handshake_stream_create_helper, |
96 const NetLogWithSource& source_net_log, | 123 const NetLogWithSource& source_net_log, |
97 HttpStreamRequest::StreamType stream_type, | 124 HttpStreamRequest::StreamType stream_type, |
98 RequestPriority priority, | 125 RequestPriority priority) { |
99 const SSLConfig& server_ssl_config, | |
100 const SSLConfig& proxy_ssl_config) { | |
101 DCHECK(factory_); | 126 DCHECK(factory_); |
102 DCHECK(!request_); | 127 DCHECK(!request_); |
103 | 128 |
104 privacy_mode_ = request_info.privacy_mode; | 129 privacy_mode_ = request_info_.privacy_mode; |
130 stream_type_ = stream_type; | |
131 priority_ = priority; | |
105 | 132 |
106 request_ = new Request(request_info.url, this, delegate, | 133 request_ = new Request(request_info_.url, this, delegate, |
107 websocket_handshake_stream_create_helper, | 134 websocket_handshake_stream_create_helper, |
108 source_net_log, stream_type); | 135 source_net_log, stream_type); |
109 // Associates |net_log_| with |source_net_log|. | 136 // Associates |net_log_| with |source_net_log|. |
110 source_net_log.AddEvent(NetLogEventType::HTTP_STREAM_JOB_CONTROLLER_BOUND, | 137 source_net_log.AddEvent(NetLogEventType::HTTP_STREAM_JOB_CONTROLLER_BOUND, |
111 net_log_.source().ToEventParametersCallback()); | 138 net_log_.source().ToEventParametersCallback()); |
112 net_log_.AddEvent(NetLogEventType::HTTP_STREAM_JOB_CONTROLLER_BOUND, | 139 net_log_.AddEvent(NetLogEventType::HTTP_STREAM_JOB_CONTROLLER_BOUND, |
113 source_net_log.source().ToEventParametersCallback()); | 140 source_net_log.source().ToEventParametersCallback()); |
114 | 141 |
115 CreateJobs(request_info, priority, server_ssl_config, proxy_ssl_config, | 142 RunLoop(OK); |
116 delegate, stream_type); | |
117 | |
118 return request_; | 143 return request_; |
119 } | 144 } |
120 | 145 |
121 void HttpStreamFactoryImpl::JobController::Preconnect( | 146 void HttpStreamFactoryImpl::JobController::Preconnect(int num_streams) { |
122 int num_streams, | |
123 const HttpRequestInfo& request_info, | |
124 const SSLConfig& server_ssl_config, | |
125 const SSLConfig& proxy_ssl_config) { | |
126 DCHECK(!main_job_); | 147 DCHECK(!main_job_); |
127 DCHECK(!alternative_job_); | 148 DCHECK(!alternative_job_); |
128 DCHECK(is_preconnect_); | 149 DCHECK(is_preconnect_); |
129 | 150 |
130 privacy_mode_ = request_info.privacy_mode; | 151 privacy_mode_ = request_info_.privacy_mode; |
152 num_streams_ = num_streams; | |
131 | 153 |
132 HostPortPair destination(HostPortPair::FromURL(request_info.url)); | 154 HostPortPair destination(HostPortPair::FromURL(request_info_.url)); |
133 GURL origin_url = ApplyHostMappingRules(request_info.url, &destination); | 155 GURL origin_url = ApplyHostMappingRules(request_info_.url, &destination); |
134 | 156 |
135 const AlternativeService alternative_service = GetAlternativeServiceFor( | 157 const AlternativeService alternative_service = GetAlternativeServiceFor( |
136 request_info, nullptr, HttpStreamRequest::HTTP_STREAM); | 158 request_info_, nullptr, HttpStreamRequest::HTTP_STREAM); |
137 | 159 |
138 if (alternative_service.protocol != kProtoUnknown) { | 160 if (alternative_service.protocol != kProtoUnknown) { |
139 destination = alternative_service.host_port_pair(); | 161 destination = alternative_service.host_port_pair(); |
140 ignore_result(ApplyHostMappingRules(request_info.url, &destination)); | 162 ignore_result(ApplyHostMappingRules(request_info_.url, &destination)); |
141 } | 163 } |
142 | 164 RunLoop(OK); |
143 // Due to how the socket pools handle priorities and idle sockets, only IDLE | |
144 // priority currently makes sense for preconnects. The priority for | |
145 // preconnects is currently ignored (see RequestSocketsForPool()), but could | |
146 // be used at some point for proxy resolution or something. | |
147 main_job_.reset(job_factory_->CreateJob( | |
148 this, PRECONNECT, session_, request_info, IDLE, server_ssl_config, | |
149 proxy_ssl_config, destination, origin_url, alternative_service, | |
150 enable_ip_based_pooling_, session_->net_log())); | |
151 main_job_->Preconnect(num_streams); | |
152 } | 165 } |
153 | 166 |
154 LoadState HttpStreamFactoryImpl::JobController::GetLoadState() const { | 167 LoadState HttpStreamFactoryImpl::JobController::GetLoadState() const { |
168 // FIXME | |
169 if (next_state_ == STATE_RESOLVE_PROXY_COMPLETE) | |
170 return session_->proxy_service()->GetLoadState(pac_request_); | |
155 DCHECK(request_); | 171 DCHECK(request_); |
156 DCHECK(main_job_ || alternative_job_); | 172 DCHECK(main_job_ || alternative_job_); |
157 if (bound_job_) | 173 if (bound_job_) |
158 return bound_job_->GetLoadState(); | 174 return bound_job_->GetLoadState(); |
159 | 175 |
160 // Just pick the first one. | 176 // Just pick the first one. |
161 return main_job_ ? main_job_->GetLoadState() | 177 return main_job_ ? main_job_->GetLoadState() |
162 : alternative_job_->GetLoadState(); | 178 : alternative_job_->GetLoadState(); |
163 } | 179 } |
164 | 180 |
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180 bound_job_ = nullptr; | 196 bound_job_ = nullptr; |
181 } | 197 } |
182 MaybeNotifyFactoryOfCompletion(); | 198 MaybeNotifyFactoryOfCompletion(); |
183 } | 199 } |
184 | 200 |
185 int HttpStreamFactoryImpl::JobController::RestartTunnelWithProxyAuth() { | 201 int HttpStreamFactoryImpl::JobController::RestartTunnelWithProxyAuth() { |
186 DCHECK(bound_job_); | 202 DCHECK(bound_job_); |
187 return bound_job_->RestartTunnelWithProxyAuth(); | 203 return bound_job_->RestartTunnelWithProxyAuth(); |
188 } | 204 } |
189 | 205 |
206 int HttpStreamFactoryImpl::JobController::ReconsiderProxyAfterError(Job* job, | |
207 int error) { | |
208 DCHECK(!pac_request_); | |
209 DCHECK(session_); | |
210 | |
211 if (!job->reconsider_proxy()) | |
212 return error; | |
213 | |
214 // Do not bypass non-QUIC proxy on ERR_MSG_TOO_BIG. | |
215 if (!proxy_info_.is_quic() && error == ERR_MSG_TOO_BIG) | |
216 return error; | |
217 | |
218 if (request_info_.load_flags & LOAD_BYPASS_PROXY) | |
219 return error; | |
220 | |
221 if (proxy_info_.is_https() && proxy_ssl_config_.send_client_cert) { | |
222 session_->ssl_client_auth_cache()->Remove( | |
223 proxy_info_.proxy_server().host_port_pair()); | |
224 } | |
225 | |
226 int rv = session_->proxy_service()->ReconsiderProxyAfterError( | |
227 request_info_.url, request_info_.method, error, &proxy_info_, | |
228 io_callback_, &pac_request_, session_->params().proxy_delegate, net_log_); | |
229 if (rv == OK || rv == ERR_IO_PENDING) { | |
230 RemoveRequestFromSpdySessionRequestMap(); | |
231 // Abandon all Jobs and start over. | |
232 job_bound_ = false; | |
233 bound_job_ = nullptr; | |
234 alternative_job_.reset(); | |
235 main_job_.reset(); | |
236 next_state_ = STATE_RESOLVE_PROXY_COMPLETE; | |
237 } else { | |
238 // If ReconsiderProxyAfterError() failed synchronously, it means | |
239 // there was nothing left to fall-back to, so fail the transaction | |
240 // with the last connection error we got. | |
241 // TODO(eroman): This is a confusing contract, make it more obvious. | |
242 rv = error; | |
243 } | |
244 return rv; | |
245 } | |
246 | |
190 void HttpStreamFactoryImpl::JobController::SetPriority( | 247 void HttpStreamFactoryImpl::JobController::SetPriority( |
191 RequestPriority priority) { | 248 RequestPriority priority) { |
192 if (main_job_) { | 249 if (main_job_) { |
193 main_job_->SetPriority(priority); | 250 main_job_->SetPriority(priority); |
194 } | 251 } |
195 if (alternative_job_) { | 252 if (alternative_job_) { |
196 alternative_job_->SetPriority(priority); | 253 alternative_job_->SetPriority(priority); |
197 } | 254 } |
198 } | 255 } |
199 | 256 |
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271 stream); | 328 stream); |
272 } | 329 } |
273 | 330 |
274 void HttpStreamFactoryImpl::JobController::OnStreamFailed( | 331 void HttpStreamFactoryImpl::JobController::OnStreamFailed( |
275 Job* job, | 332 Job* job, |
276 int status, | 333 int status, |
277 const SSLConfig& used_ssl_config) { | 334 const SSLConfig& used_ssl_config) { |
278 if (job->job_type() == ALTERNATIVE) { | 335 if (job->job_type() == ALTERNATIVE) { |
279 DCHECK_EQ(alternative_job_.get(), job); | 336 DCHECK_EQ(alternative_job_.get(), job); |
280 OnAlternativeJobFailed(status); | 337 OnAlternativeJobFailed(status); |
338 OnAlternativeProxyJobFailed(status); | |
281 } | 339 } |
282 | 340 |
283 MaybeResumeMainJob(job, base::TimeDelta()); | 341 MaybeResumeMainJob(job, base::TimeDelta()); |
284 | 342 |
285 if (IsJobOrphaned(job)) { | 343 if (IsJobOrphaned(job)) { |
286 // We have bound a job to the associated Request, |job| has been orphaned. | 344 // We have bound a job to the associated Request, |job| has been orphaned. |
287 OnOrphanedJobComplete(job); | 345 OnOrphanedJobComplete(job); |
288 return; | 346 return; |
289 } | 347 } |
290 | 348 |
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302 } else { | 360 } else { |
303 DCHECK(job->job_type() == ALTERNATIVE); | 361 DCHECK(job->job_type() == ALTERNATIVE); |
304 alternative_job_.reset(); | 362 alternative_job_.reset(); |
305 } | 363 } |
306 return; | 364 return; |
307 } else { | 365 } else { |
308 BindJob(job); | 366 BindJob(job); |
309 } | 367 } |
310 } | 368 } |
311 | 369 |
370 status = ReconsiderProxyAfterError(job, status); | |
371 if (next_state_ == STATE_RESOLVE_PROXY_COMPLETE) { | |
372 RunLoop(OK); | |
373 return; | |
374 } | |
312 request_->OnStreamFailed(status, used_ssl_config); | 375 request_->OnStreamFailed(status, used_ssl_config); |
313 } | 376 } |
314 | 377 |
315 void HttpStreamFactoryImpl::JobController::OnCertificateError( | 378 void HttpStreamFactoryImpl::JobController::OnCertificateError( |
316 Job* job, | 379 Job* job, |
317 int status, | 380 int status, |
318 const SSLConfig& used_ssl_config, | 381 const SSLConfig& used_ssl_config, |
319 const SSLInfo& ssl_info) { | 382 const SSLInfo& ssl_info) { |
320 MaybeResumeMainJob(job, base::TimeDelta()); | 383 MaybeResumeMainJob(job, base::TimeDelta()); |
321 | 384 |
(...skipping 73 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
395 BindJob(job); | 458 BindJob(job); |
396 request_->OnNeedsProxyAuth(proxy_response, used_ssl_config, used_proxy_info, | 459 request_->OnNeedsProxyAuth(proxy_response, used_ssl_config, used_proxy_info, |
397 auth_controller); | 460 auth_controller); |
398 } | 461 } |
399 | 462 |
400 bool HttpStreamFactoryImpl::JobController::OnInitConnection( | 463 bool HttpStreamFactoryImpl::JobController::OnInitConnection( |
401 const ProxyInfo& proxy_info) { | 464 const ProxyInfo& proxy_info) { |
402 return factory_->OnInitConnection(*this, proxy_info, privacy_mode_); | 465 return factory_->OnInitConnection(*this, proxy_info, privacy_mode_); |
403 } | 466 } |
404 | 467 |
405 void HttpStreamFactoryImpl::JobController::OnResolveProxyComplete( | |
406 Job* job, | |
407 const HttpRequestInfo& request_info, | |
408 RequestPriority priority, | |
409 const SSLConfig& server_ssl_config, | |
410 const SSLConfig& proxy_ssl_config, | |
411 HttpStreamRequest::StreamType stream_type) { | |
412 DCHECK(job); | |
413 | |
414 ProxyServer alternative_proxy_server; | |
415 if (!ShouldCreateAlternativeProxyServerJob(job, job->proxy_info(), | |
416 request_info.url, | |
417 &alternative_proxy_server)) { | |
418 return; | |
419 } | |
420 | |
421 DCHECK(main_job_); | |
422 DCHECK_EQ(MAIN, job->job_type()); | |
423 DCHECK(!alternative_job_); | |
424 DCHECK(!main_job_is_blocked_); | |
425 | |
426 HostPortPair destination(HostPortPair::FromURL(request_info.url)); | |
427 GURL origin_url = ApplyHostMappingRules(request_info.url, &destination); | |
428 | |
429 alternative_job_.reset(job_factory_->CreateJob( | |
430 this, ALTERNATIVE, session_, request_info, priority, server_ssl_config, | |
431 proxy_ssl_config, destination, origin_url, alternative_proxy_server, | |
432 enable_ip_based_pooling_, job->net_log().net_log())); | |
433 | |
434 can_start_alternative_proxy_job_ = false; | |
435 main_job_is_blocked_ = true; | |
436 | |
437 base::ThreadTaskRunnerHandle::Get()->PostTask( | |
438 FROM_HERE, | |
439 base::Bind( | |
440 &HttpStreamFactoryImpl::JobController::StartAlternativeProxyServerJob, | |
441 ptr_factory_.GetWeakPtr())); | |
442 } | |
443 | |
444 void HttpStreamFactoryImpl::JobController::OnNewSpdySessionReady( | 468 void HttpStreamFactoryImpl::JobController::OnNewSpdySessionReady( |
445 Job* job, | 469 Job* job, |
446 const base::WeakPtr<SpdySession>& spdy_session, | 470 const base::WeakPtr<SpdySession>& spdy_session, |
447 bool direct) { | 471 bool direct) { |
448 DCHECK(job); | 472 DCHECK(job); |
449 DCHECK(job->using_spdy()); | 473 DCHECK(job->using_spdy()); |
450 DCHECK(!is_preconnect_); | 474 DCHECK(!is_preconnect_); |
451 | 475 |
452 bool is_job_orphaned = IsJobOrphaned(job); | 476 bool is_job_orphaned = IsJobOrphaned(job); |
453 | 477 |
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682 return base::trace_event::EstimateMemoryUsage(main_job_) + | 706 return base::trace_event::EstimateMemoryUsage(main_job_) + |
683 base::trace_event::EstimateMemoryUsage(alternative_job_); | 707 base::trace_event::EstimateMemoryUsage(alternative_job_); |
684 } | 708 } |
685 | 709 |
686 WebSocketHandshakeStreamBase::CreateHelper* HttpStreamFactoryImpl:: | 710 WebSocketHandshakeStreamBase::CreateHelper* HttpStreamFactoryImpl:: |
687 JobController::websocket_handshake_stream_create_helper() { | 711 JobController::websocket_handshake_stream_create_helper() { |
688 DCHECK(request_); | 712 DCHECK(request_); |
689 return request_->websocket_handshake_stream_create_helper(); | 713 return request_->websocket_handshake_stream_create_helper(); |
690 } | 714 } |
691 | 715 |
692 void HttpStreamFactoryImpl::JobController::CreateJobs( | 716 void HttpStreamFactoryImpl::JobController::OnIOComplete(int result) { |
693 const HttpRequestInfo& request_info, | 717 RunLoop(result); |
694 RequestPriority priority, | 718 } |
695 const SSLConfig& server_ssl_config, | 719 |
696 const SSLConfig& proxy_ssl_config, | 720 void HttpStreamFactoryImpl::JobController::OnResolveProxyError(int error) { |
697 HttpStreamRequest::Delegate* delegate, | |
698 HttpStreamRequest::StreamType stream_type) { | |
699 DCHECK(!main_job_); | 721 DCHECK(!main_job_); |
700 DCHECK(!alternative_job_); | 722 DCHECK(!alternative_job_); |
701 HostPortPair destination(HostPortPair::FromURL(request_info.url)); | |
702 GURL origin_url = ApplyHostMappingRules(request_info.url, &destination); | |
703 | 723 |
704 main_job_.reset(job_factory_->CreateJob( | 724 if (!request_) |
705 this, MAIN, session_, request_info, priority, server_ssl_config, | 725 return; |
706 proxy_ssl_config, destination, origin_url, enable_ip_based_pooling_, | 726 request_->OnStreamFailed(error, server_ssl_config_); |
707 net_log_.net_log())); | 727 } |
728 | |
729 void HttpStreamFactoryImpl::JobController::RunLoop(int result) { | |
730 DCHECK_NE(next_state_, STATE_NONE); | |
731 do { | |
732 State state = next_state_; | |
733 next_state_ = STATE_NONE; | |
734 switch (state) { | |
735 case STATE_RESOLVE_PROXY: | |
736 DoResolveProxy(); | |
737 break; | |
738 case STATE_RESOLVE_PROXY_COMPLETE: | |
739 DoResolveProxyComplete(result); | |
740 break; | |
741 case STATE_CREATE_JOBS: | |
742 DoCreateJobs(); | |
743 break; | |
744 default: | |
745 NOTREACHED() << "bad state"; | |
746 break; | |
747 } | |
748 } while (next_state_ != STATE_NONE); | |
Bence
2017/04/26 13:55:39
Do you not need to exit the loop if ResolveProxy r
xunjieli
2017/04/27 18:15:54
Done. Good catch. I have added a test case for thi
| |
749 } | |
750 | |
751 void HttpStreamFactoryImpl::JobController::DoResolveProxy() { | |
752 DCHECK(!pac_request_); | |
753 DCHECK(session_); | |
754 | |
755 next_state_ = STATE_RESOLVE_PROXY_COMPLETE; | |
756 | |
757 if (request_info_.load_flags & LOAD_BYPASS_PROXY) { | |
758 proxy_info_.UseDirect(); | |
759 return; | |
760 } | |
761 | |
762 HostPortPair destination(HostPortPair::FromURL(request_info_.url)); | |
763 GURL origin_url = ApplyHostMappingRules(request_info_.url, &destination); | |
764 | |
765 int rv = session_->proxy_service()->ResolveProxy( | |
766 origin_url, request_info_.method, &proxy_info_, io_callback_, | |
767 &pac_request_, session_->params().proxy_delegate, net_log_); | |
768 if (rv != OK && rv != ERR_IO_PENDING) { | |
769 // Proxy resolution failed synchronously. | |
770 base::ThreadTaskRunnerHandle::Get()->PostTask( | |
771 FROM_HERE, | |
772 base::Bind(&HttpStreamFactoryImpl::JobController::OnResolveProxyError, | |
773 ptr_factory_.GetWeakPtr(), rv)); | |
774 } | |
775 } | |
776 | |
777 void HttpStreamFactoryImpl::JobController::DoResolveProxyComplete(int rv) { | |
778 DCHECK_NE(ERR_IO_PENDING, rv); | |
779 | |
780 pac_request_ = nullptr; | |
781 net_log_.AddEvent( | |
782 NetLogEventType::HTTP_STREAM_JOB_PROXY_SERVER_RESOLVED, | |
783 base::Bind( | |
784 &NetLogHttpStreamJobProxyServerResolved, | |
785 proxy_info_.is_empty() ? ProxyServer() : proxy_info_.proxy_server())); | |
786 | |
787 if (rv != OK) { | |
788 OnResolveProxyError(rv); | |
789 return; | |
790 } | |
791 | |
792 next_state_ = STATE_CREATE_JOBS; | |
793 return; | |
794 } | |
795 | |
796 void HttpStreamFactoryImpl::JobController::DoCreateJobs() { | |
797 DCHECK(!main_job_); | |
798 DCHECK(!alternative_job_); | |
799 | |
800 HostPortPair destination(HostPortPair::FromURL(request_info_.url)); | |
801 GURL origin_url = ApplyHostMappingRules(request_info_.url, &destination); | |
708 | 802 |
709 // Create an alternative job if alternative service is set up for this domain. | 803 // Create an alternative job if alternative service is set up for this domain. |
710 const AlternativeService alternative_service = | 804 const AlternativeService alternative_service = |
711 GetAlternativeServiceFor(request_info, delegate, stream_type); | 805 GetAlternativeServiceFor(request_info_, delegate_, stream_type_); |
712 | 806 |
713 if (alternative_service.protocol != kProtoUnknown) { | 807 // Remove unsupported proxies from the list. ProxyServer::SCHEME_QUIC is not |
714 // Never share connection with other jobs for FTP requests. | 808 // yet supported. |
715 DVLOG(1) << "Selected alternative service (host: " | 809 int supported_proxies = ProxyServer::SCHEME_DIRECT | |
716 << alternative_service.host_port_pair().host() | 810 ProxyServer::SCHEME_HTTP | ProxyServer::SCHEME_HTTPS | |
717 << " port: " << alternative_service.host_port_pair().port() << ")"; | 811 ProxyServer::SCHEME_SOCKS4 | |
812 ProxyServer::SCHEME_SOCKS5; | |
718 | 813 |
719 DCHECK(!request_info.url.SchemeIs(url::kFtpScheme)); | 814 if (session_->IsQuicEnabled()) |
720 HostPortPair alternative_destination(alternative_service.host_port_pair()); | 815 supported_proxies |= ProxyServer::SCHEME_QUIC; |
721 ignore_result( | 816 proxy_info_.RemoveProxiesWithoutScheme(supported_proxies); |
722 ApplyHostMappingRules(request_info.url, &alternative_destination)); | |
723 | 817 |
724 alternative_job_.reset(job_factory_->CreateJob( | 818 if (is_preconnect_) { |
725 this, ALTERNATIVE, session_, request_info, priority, server_ssl_config, | 819 // Due to how the socket pools handle priorities and idle sockets, only IDLE |
726 proxy_ssl_config, alternative_destination, origin_url, | 820 // priority currently makes sense for preconnects. The priority for |
727 alternative_service, enable_ip_based_pooling_, net_log_.net_log())); | 821 // preconnects is currently ignored (see RequestSocketsForPool()), but could |
822 // be used at some point for proxy resolution or something. | |
823 main_job_.reset(job_factory_->CreateJob( | |
824 this, PRECONNECT, session_, request_info_, IDLE, proxy_info_, | |
825 server_ssl_config_, proxy_ssl_config_, destination, origin_url, | |
826 alternative_service, enable_ip_based_pooling_, session_->net_log())); | |
827 main_job_->Preconnect(num_streams_); | |
828 } else { | |
829 main_job_.reset(job_factory_->CreateJob( | |
830 this, MAIN, session_, request_info_, priority_, proxy_info_, | |
831 server_ssl_config_, proxy_ssl_config_, destination, origin_url, | |
832 enable_ip_based_pooling_, net_log_.net_log())); | |
833 if (alternative_service.protocol != kProtoUnknown) { | |
834 // Never share connection with other jobs for FTP requests. | |
835 DVLOG(1) << "Selected alternative service (host: " | |
836 << alternative_service.host_port_pair().host() | |
837 << " port: " << alternative_service.host_port_pair().port() | |
838 << ")"; | |
728 | 839 |
729 main_job_is_blocked_ = true; | 840 DCHECK(!request_info_.url.SchemeIs(url::kFtpScheme)); |
730 alternative_job_->Start(request_->stream_type()); | 841 HostPortPair alternative_destination( |
731 } else { | 842 alternative_service.host_port_pair()); |
732 can_start_alternative_proxy_job_ = true; | 843 ignore_result( |
844 ApplyHostMappingRules(request_info_.url, &alternative_destination)); | |
845 | |
846 alternative_job_.reset(job_factory_->CreateJob( | |
847 this, ALTERNATIVE, session_, request_info_, priority_, proxy_info_, | |
848 server_ssl_config_, proxy_ssl_config_, alternative_destination, | |
849 origin_url, alternative_service, enable_ip_based_pooling_, | |
850 net_log_.net_log())); | |
851 | |
852 main_job_is_blocked_ = true; | |
853 alternative_job_->Start(request_->stream_type()); | |
854 } | |
855 if (!alternative_job_) { | |
856 ProxyServer alternative_proxy_server; | |
857 if (ShouldCreateAlternativeProxyServerJob(proxy_info_, request_info_.url, | |
858 &alternative_proxy_server)) { | |
859 DCHECK(main_job_); | |
860 DCHECK(!main_job_is_blocked_); | |
861 ProxyInfo alternative_proxy_info; | |
862 alternative_proxy_info.UseProxyServer(alternative_proxy_server); | |
863 | |
864 alternative_job_.reset(job_factory_->CreateJob( | |
865 this, ALTERNATIVE, session_, request_info_, priority_, | |
866 alternative_proxy_info, server_ssl_config_, proxy_ssl_config_, | |
867 destination, origin_url, alternative_proxy_server, | |
868 enable_ip_based_pooling_, net_log_.net_log())); | |
869 | |
870 can_start_alternative_proxy_job_ = false; | |
871 main_job_is_blocked_ = true; | |
872 | |
873 base::ThreadTaskRunnerHandle::Get()->PostTask( | |
874 FROM_HERE, base::Bind(&HttpStreamFactoryImpl::JobController:: | |
875 StartAlternativeProxyServerJob, | |
876 ptr_factory_.GetWeakPtr())); | |
877 } | |
878 } | |
879 // Even if |alternative_job| has already finished, it will not have notified | |
880 // the request yet, since we defer that to the next iteration of the | |
881 // MessageLoop, so starting |main_job_| is always safe. | |
882 main_job_->Start(request_->stream_type()); | |
733 } | 883 } |
734 // Even if |alternative_job| has already finished, it will not have notified | 884 return; |
735 // the request yet, since we defer that to the next iteration of the | |
736 // MessageLoop, so starting |main_job_| is always safe. | |
737 main_job_->Start(request_->stream_type()); | |
738 } | 885 } |
739 | 886 |
740 void HttpStreamFactoryImpl::JobController::BindJob(Job* job) { | 887 void HttpStreamFactoryImpl::JobController::BindJob(Job* job) { |
741 DCHECK(request_); | 888 DCHECK(request_); |
742 DCHECK(job); | 889 DCHECK(job); |
743 DCHECK(job == alternative_job_.get() || job == main_job_.get()); | 890 DCHECK(job == alternative_job_.get() || job == main_job_.get()); |
744 DCHECK(!job_bound_); | 891 DCHECK(!job_bound_); |
745 DCHECK(!bound_job_); | 892 DCHECK(!bound_job_); |
746 | 893 |
747 job_bound_ = true; | 894 job_bound_ = true; |
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828 bool using_spdy) { | 975 bool using_spdy) { |
829 if (request_) | 976 if (request_) |
830 request_->Complete(was_alpn_negotiated, negotiated_protocol, using_spdy); | 977 request_->Complete(was_alpn_negotiated, negotiated_protocol, using_spdy); |
831 } | 978 } |
832 | 979 |
833 void HttpStreamFactoryImpl::JobController::OnAlternativeJobFailed( | 980 void HttpStreamFactoryImpl::JobController::OnAlternativeJobFailed( |
834 int net_error) { | 981 int net_error) { |
835 DCHECK_EQ(alternative_job_->job_type(), ALTERNATIVE); | 982 DCHECK_EQ(alternative_job_->job_type(), ALTERNATIVE); |
836 DCHECK_NE(OK, net_error); | 983 DCHECK_NE(OK, net_error); |
837 | 984 |
985 DCHECK(alternative_job_->alternative_service().protocol != kProtoUnknown || | |
986 alternative_job_->alternative_proxy_server().is_valid()); | |
987 if (alternative_job_->alternative_proxy_server().is_valid()) | |
988 return; | |
989 | |
838 alternative_job_net_error_ = net_error; | 990 alternative_job_net_error_ = net_error; |
839 | 991 |
840 if (alternative_job_->alternative_proxy_server().is_valid()) { | 992 failed_alternative_service_ = alternative_job_->alternative_service(); |
841 failed_alternative_proxy_server_ = | |
842 alternative_job_->alternative_proxy_server(); | |
843 } else { | |
844 DCHECK(!failed_alternative_proxy_server_.is_valid()); | |
845 failed_alternative_service_ = alternative_job_->alternative_service(); | |
846 } | |
847 | 993 |
848 if (IsJobOrphaned(alternative_job_.get())) { | 994 if (IsJobOrphaned(alternative_job_.get())) { |
849 // If |request_| is gone then it must have been successfully served by | 995 // If |request_| is gone then it must have been successfully served by |
850 // |main_job_|. | 996 // |main_job_|. |
851 // If |request_| is bound to a different job, then it is being | 997 // If |request_| is bound to a different job, then it is being |
852 // successfully serverd by the main job. | 998 // successfully serverd by the main job. |
853 ReportBrokenAlternativeService(); | 999 ReportBrokenAlternativeService(); |
854 } | 1000 } |
855 } | 1001 } |
856 | 1002 |
1003 void HttpStreamFactoryImpl::JobController::OnAlternativeProxyJobFailed( | |
1004 int net_error) { | |
1005 DCHECK_EQ(alternative_job_->job_type(), ALTERNATIVE); | |
1006 DCHECK_NE(OK, net_error); | |
1007 | |
1008 if (!alternative_job_->alternative_proxy_server().is_valid()) | |
1009 return; | |
1010 // Need to mark alt proxy as broken regardless whether the job is bound. | |
1011 ProxyDelegate* proxy_delegate = session_->params().proxy_delegate; | |
1012 if (proxy_delegate) { | |
1013 proxy_delegate->OnAlternativeProxyBroken( | |
1014 alternative_job_->alternative_proxy_server()); | |
1015 } | |
1016 } | |
1017 | |
857 void HttpStreamFactoryImpl::JobController::ReportBrokenAlternativeService() { | 1018 void HttpStreamFactoryImpl::JobController::ReportBrokenAlternativeService() { |
858 DCHECK(failed_alternative_service_.protocol != kProtoUnknown || | 1019 DCHECK(failed_alternative_service_.protocol != kProtoUnknown); |
859 failed_alternative_proxy_server_.is_valid()); | |
860 DCHECK_NE(OK, alternative_job_net_error_); | 1020 DCHECK_NE(OK, alternative_job_net_error_); |
861 | 1021 |
862 UMA_HISTOGRAM_SPARSE_SLOWLY("Net.AlternateServiceFailed", | 1022 int error_to_report = alternative_job_net_error_; |
863 -alternative_job_net_error_); | 1023 alternative_job_net_error_ = OK; |
1024 UMA_HISTOGRAM_SPARSE_SLOWLY("Net.AlternateServiceFailed", -error_to_report); | |
864 | 1025 |
865 if (session_->params().quic_do_not_mark_as_broken_on_network_change && | 1026 if (session_->params().quic_do_not_mark_as_broken_on_network_change && |
866 (alternative_job_net_error_ == ERR_NETWORK_CHANGED || | 1027 (error_to_report == ERR_NETWORK_CHANGED || |
867 alternative_job_net_error_ == ERR_INTERNET_DISCONNECTED)) { | 1028 error_to_report == ERR_INTERNET_DISCONNECTED)) { |
868 // No need to mark alternative service or proxy as broken. | 1029 // No need to mark alternative service or proxy as broken. |
869 return; | 1030 return; |
870 } | 1031 } |
871 | 1032 |
872 if (failed_alternative_proxy_server_.is_valid()) { | 1033 HistogramBrokenAlternateProtocolLocation( |
873 ProxyDelegate* proxy_delegate = session_->params().proxy_delegate; | 1034 BROKEN_ALTERNATE_PROTOCOL_LOCATION_HTTP_STREAM_FACTORY_IMPL_JOB_ALT); |
874 if (proxy_delegate) { | 1035 session_->http_server_properties()->MarkAlternativeServiceBroken( |
875 proxy_delegate->OnAlternativeProxyBroken( | 1036 failed_alternative_service_); |
876 failed_alternative_proxy_server_); | |
877 } | |
878 } else { | |
879 HistogramBrokenAlternateProtocolLocation( | |
880 BROKEN_ALTERNATE_PROTOCOL_LOCATION_HTTP_STREAM_FACTORY_IMPL_JOB_ALT); | |
881 session_->http_server_properties()->MarkAlternativeServiceBroken( | |
882 failed_alternative_service_); | |
883 } | |
884 } | 1037 } |
885 | 1038 |
886 void HttpStreamFactoryImpl::JobController::MaybeNotifyFactoryOfCompletion() { | 1039 void HttpStreamFactoryImpl::JobController::MaybeNotifyFactoryOfCompletion() { |
887 if (!request_ && !main_job_ && !alternative_job_) { | 1040 if (!request_ && !main_job_ && !alternative_job_) { |
888 DCHECK(!bound_job_); | 1041 DCHECK(!bound_job_); |
889 factory_->OnJobControllerComplete(this); | 1042 factory_->OnJobControllerComplete(this); |
890 } | 1043 } |
891 } | 1044 } |
892 | 1045 |
893 GURL HttpStreamFactoryImpl::JobController::ApplyHostMappingRules( | 1046 GURL HttpStreamFactoryImpl::JobController::ApplyHostMappingRules( |
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1026 | 1179 |
1027 // Ask delegate to mark QUIC as broken for the origin. | 1180 // Ask delegate to mark QUIC as broken for the origin. |
1028 if (quic_advertised && quic_all_broken && delegate != nullptr) | 1181 if (quic_advertised && quic_all_broken && delegate != nullptr) |
1029 delegate->OnQuicBroken(); | 1182 delegate->OnQuicBroken(); |
1030 | 1183 |
1031 return first_alternative_service; | 1184 return first_alternative_service; |
1032 } | 1185 } |
1033 | 1186 |
1034 bool HttpStreamFactoryImpl::JobController:: | 1187 bool HttpStreamFactoryImpl::JobController:: |
1035 ShouldCreateAlternativeProxyServerJob( | 1188 ShouldCreateAlternativeProxyServerJob( |
1036 Job* job, | |
1037 const ProxyInfo& proxy_info, | 1189 const ProxyInfo& proxy_info, |
1038 const GURL& url, | 1190 const GURL& url, |
1039 ProxyServer* alternative_proxy_server) const { | 1191 ProxyServer* alternative_proxy_server) const { |
1040 DCHECK(!alternative_proxy_server->is_valid()); | 1192 DCHECK(!alternative_proxy_server->is_valid()); |
1041 | 1193 |
1042 if (!enable_alternative_services_) | 1194 if (!enable_alternative_services_) |
1043 return false; | 1195 return false; |
1044 | 1196 |
1045 if (!can_start_alternative_proxy_job_) { | 1197 if (!can_start_alternative_proxy_job_) { |
1046 // Either an alternative service job or an alternative proxy server job has | 1198 // Either an alternative service job or an alternative proxy server job has |
1047 // already been started. | 1199 // already been started. |
1048 return false; | 1200 return false; |
1049 } | 1201 } |
1050 | 1202 |
1051 if (job->job_type() == ALTERNATIVE) { | |
1052 // If |job| is using alternative service, then alternative proxy server | |
1053 // should not be used. | |
1054 return false; | |
1055 } | |
1056 | |
1057 if (is_preconnect_ || job->job_type() == PRECONNECT) { | |
1058 // Preconnects should be fetched using only the main job to keep the | |
1059 // resource utilization down. | |
1060 return false; | |
1061 } | |
1062 | |
1063 if (proxy_info.is_empty() || proxy_info.is_direct() || proxy_info.is_quic()) { | 1203 if (proxy_info.is_empty() || proxy_info.is_direct() || proxy_info.is_quic()) { |
1064 // Alternative proxy server job can be created only if |job| fetches the | 1204 // Alternative proxy server job can be created only if |job| fetches the |
1065 // |request_| through a non-QUIC proxy. | 1205 // |request_| through a non-QUIC proxy. |
1066 return false; | 1206 return false; |
1067 } | 1207 } |
1068 | 1208 |
1069 if (!url.SchemeIs(url::kHttpScheme)) { | 1209 if (!url.SchemeIs(url::kHttpScheme)) { |
1070 // Only HTTP URLs can be fetched through alternative proxy server, since the | 1210 // Only HTTP URLs can be fetched through alternative proxy server, since the |
1071 // alternative proxy server may not support fetching of URLs with other | 1211 // alternative proxy server may not support fetching of URLs with other |
1072 // schemes. | 1212 // schemes. |
1073 return false; | 1213 return false; |
1074 } | 1214 } |
1075 | 1215 |
1076 ProxyDelegate* proxy_delegate = session_->params().proxy_delegate; | 1216 ProxyDelegate* proxy_delegate = session_->params().proxy_delegate; |
1077 if (!proxy_delegate) | 1217 if (!proxy_delegate) |
1078 return false; | 1218 return false; |
1079 | |
1080 proxy_delegate->GetAlternativeProxy(url, proxy_info.proxy_server(), | 1219 proxy_delegate->GetAlternativeProxy(url, proxy_info.proxy_server(), |
1081 alternative_proxy_server); | 1220 alternative_proxy_server); |
1082 | 1221 |
1083 if (!alternative_proxy_server->is_valid()) | 1222 if (!alternative_proxy_server->is_valid()) |
1084 return false; | 1223 return false; |
1085 | 1224 |
1086 DCHECK(!(*alternative_proxy_server == proxy_info.proxy_server())); | 1225 DCHECK(!(*alternative_proxy_server == proxy_info.proxy_server())); |
1087 | 1226 |
1088 if (!alternative_proxy_server->is_https() && | 1227 if (!alternative_proxy_server->is_https() && |
1089 !alternative_proxy_server->is_quic()) { | 1228 !alternative_proxy_server->is_quic()) { |
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1129 return; | 1268 return; |
1130 DCHECK(alternative_job_->alternative_proxy_server().is_valid()); | 1269 DCHECK(alternative_job_->alternative_proxy_server().is_valid()); |
1131 alternative_job_->Start(request_->stream_type()); | 1270 alternative_job_->Start(request_->stream_type()); |
1132 } | 1271 } |
1133 | 1272 |
1134 bool HttpStreamFactoryImpl::JobController::IsJobOrphaned(Job* job) const { | 1273 bool HttpStreamFactoryImpl::JobController::IsJobOrphaned(Job* job) const { |
1135 return !request_ || (job_bound_ && bound_job_ != job); | 1274 return !request_ || (job_bound_ && bound_job_ != job); |
1136 } | 1275 } |
1137 | 1276 |
1138 } // namespace net | 1277 } // namespace net |
OLD | NEW |