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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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/spdy/chromium/spdy_session_pool.h" | 5 #include "net/spdy/chromium/spdy_session_pool.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/memory/ptr_util.h" | 10 #include "base/memory/ptr_util.h" |
11 #include "base/metrics/histogram_macros.h" | 11 #include "base/metrics/histogram_macros.h" |
12 #include "base/profiler/scoped_tracker.h" | 12 #include "base/profiler/scoped_tracker.h" |
13 #include "base/stl_util.h" | 13 #include "base/stl_util.h" |
14 #include "base/trace_event/memory_allocator_dump.h" | 14 #include "base/trace_event/memory_allocator_dump.h" |
15 #include "base/trace_event/process_memory_dump.h" | 15 #include "base/trace_event/process_memory_dump.h" |
16 #include "base/trace_event/trace_event.h" | 16 #include "base/trace_event/trace_event.h" |
17 #include "base/values.h" | 17 #include "base/values.h" |
18 #include "net/base/address_list.h" | 18 #include "net/base/address_list.h" |
19 #include "net/base/trace_constants.h" | 19 #include "net/base/trace_constants.h" |
20 #include "net/http/http_network_session.h" | 20 #include "net/http/http_network_session.h" |
21 #include "net/http/http_server_properties.h" | 21 #include "net/http/http_server_properties.h" |
22 #include "net/log/net_log_event_type.h" | 22 #include "net/log/net_log_event_type.h" |
23 #include "net/log/net_log_source.h" | 23 #include "net/log/net_log_source.h" |
24 #include "net/log/net_log_with_source.h" | 24 #include "net/log/net_log_with_source.h" |
| 25 #include "net/spdy/chromium/bidirectional_stream_spdy_impl.h" |
| 26 #include "net/spdy/chromium/spdy_http_stream.h" |
25 #include "net/spdy/chromium/spdy_session.h" | 27 #include "net/spdy/chromium/spdy_session.h" |
26 #include "net/spdy/core/hpack/hpack_constants.h" | 28 #include "net/spdy/core/hpack/hpack_constants.h" |
27 #include "net/spdy/core/hpack/hpack_huffman_table.h" | 29 #include "net/spdy/core/hpack/hpack_huffman_table.h" |
28 #include "net/spdy/core/hpack/hpack_static_table.h" | 30 #include "net/spdy/core/hpack/hpack_static_table.h" |
29 #include "net/spdy/platform/api/spdy_estimate_memory_usage.h" | 31 #include "net/spdy/platform/api/spdy_estimate_memory_usage.h" |
30 #include "net/spdy/platform/api/spdy_string_utils.h" | 32 #include "net/spdy/platform/api/spdy_string_utils.h" |
31 | 33 |
32 namespace net { | 34 namespace net { |
33 | 35 |
34 namespace { | 36 namespace { |
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65 time_func_(time_func), | 67 time_func_(time_func), |
66 push_delegate_(nullptr), | 68 push_delegate_(nullptr), |
67 proxy_delegate_(proxy_delegate) { | 69 proxy_delegate_(proxy_delegate) { |
68 NetworkChangeNotifier::AddIPAddressObserver(this); | 70 NetworkChangeNotifier::AddIPAddressObserver(this); |
69 if (ssl_config_service_.get()) | 71 if (ssl_config_service_.get()) |
70 ssl_config_service_->AddObserver(this); | 72 ssl_config_service_->AddObserver(this); |
71 CertDatabase::GetInstance()->AddObserver(this); | 73 CertDatabase::GetInstance()->AddObserver(this); |
72 } | 74 } |
73 | 75 |
74 SpdySessionPool::~SpdySessionPool() { | 76 SpdySessionPool::~SpdySessionPool() { |
| 77 DCHECK(spdy_session_request_map_.empty()); |
75 CloseAllSessions(); | 78 CloseAllSessions(); |
76 | 79 |
77 while (!sessions_.empty()) { | 80 while (!sessions_.empty()) { |
78 // Destroy sessions to enforce that lifetime is scoped to SpdySessionPool. | 81 // Destroy sessions to enforce that lifetime is scoped to SpdySessionPool. |
79 // Write callbacks queued upon session drain are not invoked. | 82 // Write callbacks queued upon session drain are not invoked. |
80 RemoveUnavailableSession((*sessions_.begin())->GetWeakPtr()); | 83 RemoveUnavailableSession((*sessions_.begin())->GetWeakPtr()); |
81 } | 84 } |
82 | 85 |
83 if (ssl_config_service_.get()) | 86 if (ssl_config_service_.get()) |
84 ssl_config_service_->RemoveObserver(this); | 87 ssl_config_service_->RemoveObserver(this); |
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388 } | 391 } |
389 | 392 |
390 void SpdySessionPool::OnSSLConfigChanged() { | 393 void SpdySessionPool::OnSSLConfigChanged() { |
391 CloseCurrentSessions(ERR_NETWORK_CHANGED); | 394 CloseCurrentSessions(ERR_NETWORK_CHANGED); |
392 } | 395 } |
393 | 396 |
394 void SpdySessionPool::OnCertDBChanged() { | 397 void SpdySessionPool::OnCertDBChanged() { |
395 CloseCurrentSessions(ERR_CERT_DATABASE_CHANGED); | 398 CloseCurrentSessions(ERR_CERT_DATABASE_CHANGED); |
396 } | 399 } |
397 | 400 |
| 401 void SpdySessionPool::OnNewSpdySessionReady( |
| 402 const base::WeakPtr<SpdySession>& spdy_session, |
| 403 bool direct, |
| 404 const SSLConfig& used_ssl_config, |
| 405 const ProxyInfo& used_proxy_info, |
| 406 bool was_alpn_negotiated, |
| 407 NextProto negotiated_protocol, |
| 408 bool using_spdy, |
| 409 NetLogSource source_dependency) { |
| 410 while (spdy_session) { |
| 411 const SpdySessionKey& spdy_session_key = spdy_session->spdy_session_key(); |
| 412 // Each iteration may empty out the RequestSet for |spdy_session_key| in |
| 413 // |spdy_session_request_map_|. So each time, check for RequestSet and use |
| 414 // the first one. |
| 415 // |
| 416 // TODO(willchan): If it's important, switch RequestSet out for a FIFO |
| 417 // queue (Order by priority first, then FIFO within same priority). Unclear |
| 418 // that it matters here. |
| 419 auto iter = spdy_session_request_map_.find(spdy_session_key); |
| 420 if (iter == spdy_session_request_map_.end()) |
| 421 return; |
| 422 HttpStreamFactoryImpl::Request* request = *iter->second.begin(); |
| 423 request->Complete(was_alpn_negotiated, negotiated_protocol, using_spdy); |
| 424 if (request->stream_type() == HttpStreamRequest::BIDIRECTIONAL_STREAM) { |
| 425 request->OnBidirectionalStreamImplReady( |
| 426 used_ssl_config, used_proxy_info, |
| 427 new BidirectionalStreamSpdyImpl(spdy_session, source_dependency)); |
| 428 } else { |
| 429 bool use_relative_url = |
| 430 direct || request->url().SchemeIs(url::kHttpsScheme); |
| 431 request->OnStreamReady(used_ssl_config, used_proxy_info, |
| 432 new SpdyHttpStream(spdy_session, use_relative_url, |
| 433 source_dependency)); |
| 434 } |
| 435 } |
| 436 // TODO(mbelshe): Alert other valid requests. |
| 437 } |
| 438 |
| 439 void SpdySessionPool::AddRequestToSpdySessionRequestMap( |
| 440 const SpdySessionKey& spdy_session_key, |
| 441 HttpStreamFactoryImpl::Request* request) { |
| 442 if (request->HasSpdySessionKey()) |
| 443 return; |
| 444 RequestSet& request_set = spdy_session_request_map_[spdy_session_key]; |
| 445 DCHECK(!base::ContainsKey(request_set, request)); |
| 446 request_set.insert(request); |
| 447 request->SetSpdySessionKey(spdy_session_key); |
| 448 } |
| 449 |
| 450 void SpdySessionPool::RemoveRequestFromSpdySessionRequestMap( |
| 451 HttpStreamFactoryImpl::Request* request) { |
| 452 if (!request->HasSpdySessionKey()) |
| 453 return; |
| 454 const SpdySessionKey& spdy_session_key = request->GetSpdySessionKey(); |
| 455 auto iter = spdy_session_request_map_.find(spdy_session_key); |
| 456 DCHECK(iter != spdy_session_request_map_.end()); |
| 457 RequestSet& request_set = iter->second; |
| 458 DCHECK(base::ContainsKey(request_set, request)); |
| 459 request_set.erase(request); |
| 460 if (request_set.empty()) |
| 461 spdy_session_request_map_.erase(spdy_session_key); |
| 462 request->ResetSpdySessionKey(); |
| 463 } |
| 464 |
398 void SpdySessionPool::DumpMemoryStats( | 465 void SpdySessionPool::DumpMemoryStats( |
399 base::trace_event::ProcessMemoryDump* pmd, | 466 base::trace_event::ProcessMemoryDump* pmd, |
400 const SpdyString& parent_dump_absolute_name) const { | 467 const SpdyString& parent_dump_absolute_name) const { |
401 if (sessions_.empty()) | 468 if (sessions_.empty()) |
402 return; | 469 return; |
403 size_t total_size = 0; | 470 size_t total_size = 0; |
404 size_t buffer_size = 0; | 471 size_t buffer_size = 0; |
405 size_t cert_count = 0; | 472 size_t cert_count = 0; |
406 size_t cert_size = 0; | 473 size_t cert_size = 0; |
407 size_t num_active_sessions = 0; | 474 size_t num_active_sessions = 0; |
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505 | 572 |
506 if (idle_only && (*it)->is_active()) | 573 if (idle_only && (*it)->is_active()) |
507 continue; | 574 continue; |
508 | 575 |
509 (*it)->CloseSessionOnError(error, description); | 576 (*it)->CloseSessionOnError(error, description); |
510 DCHECK(!IsSessionAvailable(*it)); | 577 DCHECK(!IsSessionAvailable(*it)); |
511 } | 578 } |
512 } | 579 } |
513 | 580 |
514 } // namespace net | 581 } // namespace net |
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