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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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/polling_proxy_config_service.h" | 5 #include "net/proxy/polling_proxy_config_service.h" |
6 | 6 |
7 #include "base/lock.h" | |
8 #include "base/message_loop_proxy.h" | 7 #include "base/message_loop_proxy.h" |
9 #include "base/observer_list.h" | 8 #include "base/observer_list.h" |
10 #include "base/scoped_ptr.h" | 9 #include "base/scoped_ptr.h" |
| 10 #include "base/synchronization/lock.h" |
11 #include "base/threading/worker_pool.h" | 11 #include "base/threading/worker_pool.h" |
12 #include "net/proxy/proxy_config.h" | 12 #include "net/proxy/proxy_config.h" |
13 | 13 |
14 namespace net { | 14 namespace net { |
15 | 15 |
16 // Reference-counted wrapper that does all the work (needs to be | 16 // Reference-counted wrapper that does all the work (needs to be |
17 // reference-counted since we post tasks between threads; may outlive | 17 // reference-counted since we post tasks between threads; may outlive |
18 // the parent PollingProxyConfigService). | 18 // the parent PollingProxyConfigService). |
19 class PollingProxyConfigService::Core | 19 class PollingProxyConfigService::Core |
20 : public base::RefCountedThreadSafe<PollingProxyConfigService::Core> { | 20 : public base::RefCountedThreadSafe<PollingProxyConfigService::Core> { |
21 public: | 21 public: |
22 Core(base::TimeDelta poll_interval, | 22 Core(base::TimeDelta poll_interval, |
23 GetConfigFunction get_config_func) | 23 GetConfigFunction get_config_func) |
24 : get_config_func_(get_config_func), | 24 : get_config_func_(get_config_func), |
25 poll_interval_(poll_interval), | 25 poll_interval_(poll_interval), |
26 have_initialized_origin_loop_(false), | 26 have_initialized_origin_loop_(false), |
27 has_config_(false), | 27 has_config_(false), |
28 poll_task_outstanding_(false), | 28 poll_task_outstanding_(false), |
29 poll_task_queued_(false) { | 29 poll_task_queued_(false) { |
30 } | 30 } |
31 | 31 |
32 // Called when the parent PollingProxyConfigService is destroyed | 32 // Called when the parent PollingProxyConfigService is destroyed |
33 // (observers should not be called past this point). | 33 // (observers should not be called past this point). |
34 void Orphan() { | 34 void Orphan() { |
35 AutoLock l(lock_); | 35 base::AutoLock l(lock_); |
36 origin_loop_proxy_ = NULL; | 36 origin_loop_proxy_ = NULL; |
37 } | 37 } |
38 | 38 |
39 bool GetLatestProxyConfig(ProxyConfig* config) { | 39 bool GetLatestProxyConfig(ProxyConfig* config) { |
40 LazyInitializeOriginLoop(); | 40 LazyInitializeOriginLoop(); |
41 DCHECK(origin_loop_proxy_->BelongsToCurrentThread()); | 41 DCHECK(origin_loop_proxy_->BelongsToCurrentThread()); |
42 | 42 |
43 OnLazyPoll(); | 43 OnLazyPoll(); |
44 | 44 |
45 // If we have already retrieved the proxy settings (on worker thread) | 45 // If we have already retrieved the proxy settings (on worker thread) |
(...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
92 FROM_HERE, | 92 FROM_HERE, |
93 NewRunnableMethod(this, &Core::PollOnWorkerThread, get_config_func_), | 93 NewRunnableMethod(this, &Core::PollOnWorkerThread, get_config_func_), |
94 true); | 94 true); |
95 } | 95 } |
96 | 96 |
97 private: | 97 private: |
98 void PollOnWorkerThread(GetConfigFunction func) { | 98 void PollOnWorkerThread(GetConfigFunction func) { |
99 ProxyConfig config; | 99 ProxyConfig config; |
100 func(&config); | 100 func(&config); |
101 | 101 |
102 AutoLock l(lock_); | 102 base::AutoLock l(lock_); |
103 if (origin_loop_proxy_) { | 103 if (origin_loop_proxy_) { |
104 origin_loop_proxy_->PostTask( | 104 origin_loop_proxy_->PostTask( |
105 FROM_HERE, | 105 FROM_HERE, |
106 NewRunnableMethod(this, &Core::GetConfigCompleted, config)); | 106 NewRunnableMethod(this, &Core::GetConfigCompleted, config)); |
107 } | 107 } |
108 } | 108 } |
109 | 109 |
110 // Called after the worker thread has finished retrieving a configuration. | 110 // Called after the worker thread has finished retrieving a configuration. |
111 void GetConfigCompleted(const ProxyConfig& config) { | 111 void GetConfigCompleted(const ProxyConfig& config) { |
112 DCHECK(poll_task_outstanding_); | 112 DCHECK(poll_task_outstanding_); |
(...skipping 25 matching lines...) Expand all Loading... |
138 have_initialized_origin_loop_ = true; | 138 have_initialized_origin_loop_ = true; |
139 } | 139 } |
140 } | 140 } |
141 | 141 |
142 GetConfigFunction get_config_func_; | 142 GetConfigFunction get_config_func_; |
143 ObserverList<Observer> observers_; | 143 ObserverList<Observer> observers_; |
144 ProxyConfig last_config_; | 144 ProxyConfig last_config_; |
145 base::TimeTicks last_poll_time_; | 145 base::TimeTicks last_poll_time_; |
146 base::TimeDelta poll_interval_; | 146 base::TimeDelta poll_interval_; |
147 | 147 |
148 Lock lock_; | 148 base::Lock lock_; |
149 scoped_refptr<base::MessageLoopProxy> origin_loop_proxy_; | 149 scoped_refptr<base::MessageLoopProxy> origin_loop_proxy_; |
150 | 150 |
151 bool have_initialized_origin_loop_; | 151 bool have_initialized_origin_loop_; |
152 bool has_config_; | 152 bool has_config_; |
153 bool poll_task_outstanding_; | 153 bool poll_task_outstanding_; |
154 bool poll_task_queued_; | 154 bool poll_task_queued_; |
155 }; | 155 }; |
156 | 156 |
157 PollingProxyConfigService::PollingProxyConfigService( | 157 PollingProxyConfigService::PollingProxyConfigService( |
158 base::TimeDelta poll_interval, | 158 base::TimeDelta poll_interval, |
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178 | 178 |
179 void PollingProxyConfigService::OnLazyPoll() { | 179 void PollingProxyConfigService::OnLazyPoll() { |
180 core_->OnLazyPoll(); | 180 core_->OnLazyPoll(); |
181 } | 181 } |
182 | 182 |
183 void PollingProxyConfigService::CheckForChangesNow() { | 183 void PollingProxyConfigService::CheckForChangesNow() { |
184 core_->CheckForChangesNow(); | 184 core_->CheckForChangesNow(); |
185 } | 185 } |
186 | 186 |
187 } // namespace net | 187 } // namespace net |
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