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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/proxy/multi_threaded_proxy_resolver.h" | 5 #include "net/proxy/multi_threaded_proxy_resolver.h" |
6 | 6 |
7 #include <deque> | 7 #include <deque> |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/bind.h" | 10 #include "base/bind.h" |
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112 ~MultiThreadedProxyResolver() override; | 112 ~MultiThreadedProxyResolver() override; |
113 | 113 |
114 // ProxyResolver implementation: | 114 // ProxyResolver implementation: |
115 int GetProxyForURL(const GURL& url, | 115 int GetProxyForURL(const GURL& url, |
116 ProxyInfo* results, | 116 ProxyInfo* results, |
117 const CompletionCallback& callback, | 117 const CompletionCallback& callback, |
118 RequestHandle* request, | 118 RequestHandle* request, |
119 const BoundNetLog& net_log) override; | 119 const BoundNetLog& net_log) override; |
120 void CancelRequest(RequestHandle request) override; | 120 void CancelRequest(RequestHandle request) override; |
121 LoadState GetLoadState(RequestHandle request) const override; | 121 LoadState GetLoadState(RequestHandle request) const override; |
122 void CancelSetPacScript() override; | |
123 int SetPacScript(const scoped_refptr<ProxyResolverScriptData>& script_data, | |
124 const CompletionCallback& callback) override; | |
125 | 122 |
126 private: | 123 private: |
127 class GetProxyForURLJob; | 124 class GetProxyForURLJob; |
128 // FIFO queue of pending jobs waiting to be started. | 125 // FIFO queue of pending jobs waiting to be started. |
129 // TODO(eroman): Make this priority queue. | 126 // TODO(eroman): Make this priority queue. |
130 typedef std::deque<scoped_refptr<Job>> PendingJobsQueue; | 127 typedef std::deque<scoped_refptr<Job>> PendingJobsQueue; |
131 typedef std::vector<scoped_refptr<Executor>> ExecutorList; | 128 typedef std::vector<scoped_refptr<Executor>> ExecutorList; |
132 | 129 |
133 // Returns an idle worker thread which is ready to receive GetProxyForURL() | 130 // Returns an idle worker thread which is ready to receive GetProxyForURL() |
134 // requests. If all threads are occupied, returns NULL. | 131 // requests. If all threads are occupied, returns NULL. |
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417 DCHECK(!outstanding_job_.get()); | 414 DCHECK(!outstanding_job_.get()); |
418 } | 415 } |
419 | 416 |
420 // MultiThreadedProxyResolver -------------------------------------------------- | 417 // MultiThreadedProxyResolver -------------------------------------------------- |
421 | 418 |
422 MultiThreadedProxyResolver::MultiThreadedProxyResolver( | 419 MultiThreadedProxyResolver::MultiThreadedProxyResolver( |
423 scoped_ptr<ProxyResolverFactory> resolver_factory, | 420 scoped_ptr<ProxyResolverFactory> resolver_factory, |
424 size_t max_num_threads, | 421 size_t max_num_threads, |
425 const scoped_refptr<ProxyResolverScriptData>& script_data, | 422 const scoped_refptr<ProxyResolverScriptData>& script_data, |
426 scoped_refptr<Executor> executor) | 423 scoped_refptr<Executor> executor) |
427 : ProxyResolver(resolver_factory->expects_pac_bytes()), | 424 : resolver_factory_(resolver_factory.Pass()), |
428 resolver_factory_(resolver_factory.Pass()), | |
429 max_num_threads_(max_num_threads), | 425 max_num_threads_(max_num_threads), |
430 script_data_(script_data) { | 426 script_data_(script_data) { |
431 DCHECK(script_data_); | 427 DCHECK(script_data_); |
432 executor->set_coordinator(this); | 428 executor->set_coordinator(this); |
433 executors_.push_back(executor); | 429 executors_.push_back(executor); |
434 } | 430 } |
435 | 431 |
436 MultiThreadedProxyResolver::~MultiThreadedProxyResolver() { | 432 MultiThreadedProxyResolver::~MultiThreadedProxyResolver() { |
437 DCHECK(CalledOnValidThread()); | 433 DCHECK(CalledOnValidThread()); |
438 // We will cancel all outstanding requests. | 434 // We will cancel all outstanding requests. |
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497 pending_jobs_.erase(it); | 493 pending_jobs_.erase(it); |
498 } | 494 } |
499 } | 495 } |
500 | 496 |
501 LoadState MultiThreadedProxyResolver::GetLoadState(RequestHandle req) const { | 497 LoadState MultiThreadedProxyResolver::GetLoadState(RequestHandle req) const { |
502 DCHECK(CalledOnValidThread()); | 498 DCHECK(CalledOnValidThread()); |
503 DCHECK(req); | 499 DCHECK(req); |
504 return LOAD_STATE_RESOLVING_PROXY_FOR_URL; | 500 return LOAD_STATE_RESOLVING_PROXY_FOR_URL; |
505 } | 501 } |
506 | 502 |
507 void MultiThreadedProxyResolver::CancelSetPacScript() { | |
508 NOTREACHED(); | |
509 } | |
510 | |
511 int MultiThreadedProxyResolver::SetPacScript( | |
512 const scoped_refptr<ProxyResolverScriptData>& script_data, | |
513 const CompletionCallback&callback) { | |
514 NOTREACHED(); | |
515 return ERR_NOT_IMPLEMENTED; | |
516 } | |
517 | |
518 Executor* MultiThreadedProxyResolver::FindIdleExecutor() { | 503 Executor* MultiThreadedProxyResolver::FindIdleExecutor() { |
519 DCHECK(CalledOnValidThread()); | 504 DCHECK(CalledOnValidThread()); |
520 for (ExecutorList::iterator it = executors_.begin(); | 505 for (ExecutorList::iterator it = executors_.begin(); |
521 it != executors_.end(); ++it) { | 506 it != executors_.end(); ++it) { |
522 Executor* executor = it->get(); | 507 Executor* executor = it->get(); |
523 if (!executor->outstanding_job()) | 508 if (!executor->outstanding_job()) |
524 return executor; | 509 return executor; |
525 } | 510 } |
526 return NULL; | 511 return NULL; |
527 } | 512 } |
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637 return ERR_IO_PENDING; | 622 return ERR_IO_PENDING; |
638 } | 623 } |
639 | 624 |
640 void MultiThreadedProxyResolverFactory::RemoveJob( | 625 void MultiThreadedProxyResolverFactory::RemoveJob( |
641 MultiThreadedProxyResolverFactory::Job* job) { | 626 MultiThreadedProxyResolverFactory::Job* job) { |
642 size_t erased = jobs_.erase(job); | 627 size_t erased = jobs_.erase(job); |
643 DCHECK_EQ(1u, erased); | 628 DCHECK_EQ(1u, erased); |
644 } | 629 } |
645 | 630 |
646 } // namespace net | 631 } // namespace net |
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