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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #ifndef CHROME_BROWSER_IO_THREAD_H_ | 5 #ifndef CHROME_BROWSER_IO_THREAD_H_ |
| 6 #define CHROME_BROWSER_IO_THREAD_H_ | 6 #define CHROME_BROWSER_IO_THREAD_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <list> | 9 #include <list> |
| 10 #include <string> | 10 #include <string> |
| 11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
| 12 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
| 13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
| 14 #include "base/task.h" | 14 #include "base/task.h" |
| 15 #include "chrome/browser/browser_process_sub_thread.h" | 15 #include "chrome/browser/browser_process_sub_thread.h" |
| 16 #include "chrome/browser/net/ssl_config_service_manager.h" | 16 #include "chrome/browser/net/ssl_config_service_manager.h" |
| 17 #include "chrome/browser/prefs/pref_member.h" | 17 #include "chrome/browser/prefs/pref_member.h" |
| 18 #include "chrome/browser/profiles/profile.h" |
| 18 #include "chrome/common/net/predictor_common.h" | 19 #include "chrome/common/net/predictor_common.h" |
| 19 #include "net/base/network_change_notifier.h" | 20 #include "net/base/network_change_notifier.h" |
| 20 | 21 |
| 21 class ChromeNetLog; | 22 class ChromeNetLog; |
| 22 class ChromeURLRequestContextGetter; | 23 class ChromeURLRequestContextGetter; |
| 23 class ExtensionEventRouterForwarder; | 24 class ExtensionEventRouterForwarder; |
| 24 class ListValue; | 25 class ListValue; |
| 25 class PrefProxyConfigTracker; | 26 class PrefProxyConfigTracker; |
| 26 class PrefService; | 27 class PrefService; |
| 27 class SystemURLRequestContextGetter; | 28 class SystemURLRequestContextGetter; |
| 28 | 29 |
| 29 namespace chrome_browser_net { | 30 namespace chrome_browser_net { |
| 30 class ConnectInterceptor; | |
| 31 class Predictor; | 31 class Predictor; |
| 32 } // namespace chrome_browser_net | 32 } // namespace chrome_browser_net |
| 33 | 33 |
| 34 namespace net { | 34 namespace net { |
| 35 class CertVerifier; | 35 class CertVerifier; |
| 36 class DnsRRResolver; | 36 class DnsRRResolver; |
| 37 class FtpTransactionFactory; | 37 class FtpTransactionFactory; |
| 38 class HostResolver; | 38 class HostResolver; |
| 39 class HttpAuthHandlerFactory; | 39 class HttpAuthHandlerFactory; |
| 40 class HttpTransactionFactory; | 40 class HttpTransactionFactory; |
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| 97 // Initializes the network predictor, which induces DNS pre-resolution and/or | 97 // Initializes the network predictor, which induces DNS pre-resolution and/or |
| 98 // TCP/IP preconnections. |prefetching_enabled| indicates whether or not DNS | 98 // TCP/IP preconnections. |prefetching_enabled| indicates whether or not DNS |
| 99 // prefetching should be enabled, and |preconnect_enabled| controls whether | 99 // prefetching should be enabled, and |preconnect_enabled| controls whether |
| 100 // TCP/IP preconnection is enabled. This should be called by the UI thread. | 100 // TCP/IP preconnection is enabled. This should be called by the UI thread. |
| 101 // It will post a task to the IO thread to perform the actual initialization. | 101 // It will post a task to the IO thread to perform the actual initialization. |
| 102 void InitNetworkPredictor(bool prefetching_enabled, | 102 void InitNetworkPredictor(bool prefetching_enabled, |
| 103 base::TimeDelta max_dns_queue_delay, | 103 base::TimeDelta max_dns_queue_delay, |
| 104 size_t max_speculative_parallel_resolves, | 104 size_t max_speculative_parallel_resolves, |
| 105 const chrome_common_net::UrlList& startup_urls, | 105 const chrome_common_net::UrlList& startup_urls, |
| 106 ListValue* referral_list, | 106 ListValue* referral_list, |
| 107 Profile* profile, |
| 107 bool preconnect_enabled); | 108 bool preconnect_enabled); |
| 108 | 109 |
| 109 // Registers |url_request_context_getter| into the IO thread. During | 110 // Registers |url_request_context_getter| into the IO thread. During |
| 110 // IOThread::CleanUp(), IOThread will iterate through known getters and | 111 // IOThread::CleanUp(), IOThread will iterate through known getters and |
| 111 // release their URLRequestContexts. Only called on the IO thread. It does | 112 // release their URLRequestContexts. Only called on the IO thread. It does |
| 112 // not acquire a refcount for |url_request_context_getter|. If | 113 // not acquire a refcount for |url_request_context_getter|. If |
| 113 // |url_request_context_getter| is being deleted before IOThread::CleanUp() is | 114 // |url_request_context_getter| is being deleted before IOThread::CleanUp() is |
| 114 // invoked, then this needs to be balanced with a call to | 115 // invoked, then this needs to be balanced with a call to |
| 115 // UnregisterURLRequestContextGetter(). | 116 // UnregisterURLRequestContextGetter(). |
| 116 void RegisterURLRequestContextGetter( | 117 void RegisterURLRequestContextGetter( |
| 117 ChromeURLRequestContextGetter* url_request_context_getter); | 118 ChromeURLRequestContextGetter* url_request_context_getter); |
| 118 | 119 |
| 119 // Unregisters |url_request_context_getter| from the IO thread. Only called | 120 // Unregisters |url_request_context_getter| from the IO thread. Only called |
| 120 // on the IO thread. | 121 // on the IO thread. |
| 121 void UnregisterURLRequestContextGetter( | 122 void UnregisterURLRequestContextGetter( |
| 122 ChromeURLRequestContextGetter* url_request_context_getter); | 123 ChromeURLRequestContextGetter* url_request_context_getter); |
| 123 | 124 |
| 124 // Handles changing to On The Record mode, discarding confidential data. | 125 // Handles changing to On The Record mode, discarding confidential data. |
| 125 void ChangedToOnTheRecord(); | 126 void ChangedToOnTheRecord(Profile* profile); |
| 126 | 127 |
| 127 // Returns a getter for the URLRequestContext. Only called on the UI thread. | 128 // Returns a getter for the URLRequestContext. Only called on the UI thread. |
| 128 net::URLRequestContextGetter* system_url_request_context_getter(); | 129 net::URLRequestContextGetter* system_url_request_context_getter(); |
| 129 | 130 |
| 130 // Clear all network stack history, including the host cache, as well as | 131 // Clear all network stack history, including the host cache, as well as |
| 131 // speculative data about subresources of visited sites, and startup-time | 132 // speculative data about subresources of visited sites, and startup-time |
| 132 // navigations. | 133 // navigations. |
| 133 void ClearNetworkingHistory(); | 134 void ClearNetworkingHistory(chrome_browser_net::Predictor* predictor); |
| 134 | 135 |
| 135 protected: | 136 protected: |
| 136 virtual void Init(); | 137 virtual void Init(); |
| 137 virtual void CleanUp(); | 138 virtual void CleanUp(); |
| 138 | 139 |
| 139 private: | 140 private: |
| 140 // Provide SystemURLRequestContextGetter with access to | 141 // Provide SystemURLRequestContextGetter with access to |
| 141 // InitSystemRequestContext(). | 142 // InitSystemRequestContext(). |
| 142 friend class SystemURLRequestContextGetter; | 143 friend class SystemURLRequestContextGetter; |
| 143 | 144 |
| 144 static void RegisterPrefs(PrefService* local_state); | 145 static void RegisterPrefs(PrefService* local_state); |
| 145 | 146 |
| 146 net::HttpAuthHandlerFactory* CreateDefaultAuthHandlerFactory( | 147 net::HttpAuthHandlerFactory* CreateDefaultAuthHandlerFactory( |
| 147 net::HostResolver* resolver); | 148 net::HostResolver* resolver); |
| 148 | 149 |
| 149 void InitSystemRequestContext(); | 150 void InitSystemRequestContext(); |
| 150 | 151 |
| 151 // Lazy initialization of system request context for | 152 // Lazy initialization of system request context for |
| 152 // SystemURLRequestContextGetter. To be called on IO thread. | 153 // SystemURLRequestContextGetter. To be called on IO thread. |
| 153 void InitSystemRequestContextOnIOThread(); | 154 void InitSystemRequestContextOnIOThread(); |
| 154 | 155 |
| 155 void InitNetworkPredictorOnIOThread( | 156 void InitNetworkPredictorOnIOThread( |
| 156 bool prefetching_enabled, | 157 bool prefetching_enabled, |
| 157 base::TimeDelta max_dns_queue_delay, | 158 base::TimeDelta max_dns_queue_delay, |
| 158 size_t max_speculative_parallel_resolves, | 159 size_t max_speculative_parallel_resolves, |
| 159 const chrome_common_net::UrlList& startup_urls, | 160 const chrome_common_net::UrlList& startup_urls, |
| 160 ListValue* referral_list, | 161 ListValue* referral_list, |
| 161 bool preconnect_enabled); | 162 bool preconnect_enabled, |
| 163 Profile* profile); |
| 162 | 164 |
| 163 void ChangedToOnTheRecordOnIOThread(); | 165 void ChangedToOnTheRecordOnIOThread(Profile* profile); |
| 164 | 166 |
| 165 // Clears the host cache. Intended to be used to prevent exposing recently | 167 // Clears the host cache. Intended to be used to prevent exposing recently |
| 166 // visited sites on about:net-internals/#dns and about:dns pages. Must be | 168 // visited sites on about:net-internals/#dns and about:dns pages. Must be |
| 167 // called on the IO thread. | 169 // called on the IO thread. |
| 168 void ClearHostCache(); | 170 void ClearHostCache(); |
| 169 | 171 |
| 170 // Returns an SSLConfigService instance. | 172 // Returns an SSLConfigService instance. |
| 171 net::SSLConfigService* GetSSLConfigService(); | 173 net::SSLConfigService* GetSSLConfigService(); |
| 172 | 174 |
| 173 // The NetLog is owned by the browser process, to allow logging from other | 175 // The NetLog is owned by the browser process, to allow logging from other |
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| 206 // platform and it gets SSL preferences from local_state object. | 208 // platform and it gets SSL preferences from local_state object. |
| 207 scoped_ptr<SSLConfigServiceManager> ssl_config_service_manager_; | 209 scoped_ptr<SSLConfigServiceManager> ssl_config_service_manager_; |
| 208 | 210 |
| 209 // These member variables are initialized by a task posted to the IO thread, | 211 // These member variables are initialized by a task posted to the IO thread, |
| 210 // which gets posted by calling certain member functions of IOThread. | 212 // which gets posted by calling certain member functions of IOThread. |
| 211 | 213 |
| 212 // Note: we user explicit pointers rather than smart pointers to be more | 214 // Note: we user explicit pointers rather than smart pointers to be more |
| 213 // explicit about destruction order, and ensure that there is no chance that | 215 // explicit about destruction order, and ensure that there is no chance that |
| 214 // these observers would be used accidentally after we have begun to tear | 216 // these observers would be used accidentally after we have begun to tear |
| 215 // down. | 217 // down. |
| 216 chrome_browser_net::ConnectInterceptor* speculative_interceptor_; | |
| 217 chrome_browser_net::Predictor* predictor_; | |
| 218 | |
| 219 scoped_ptr<net::ProxyConfigService> system_proxy_config_service_; | 218 scoped_ptr<net::ProxyConfigService> system_proxy_config_service_; |
| 220 | 219 |
| 221 scoped_refptr<PrefProxyConfigTracker> pref_proxy_config_tracker_; | 220 scoped_refptr<PrefProxyConfigTracker> pref_proxy_config_tracker_; |
| 222 | 221 |
| 223 scoped_refptr<net::URLRequestContextGetter> | 222 scoped_refptr<net::URLRequestContextGetter> |
| 224 system_url_request_context_getter_; | 223 system_url_request_context_getter_; |
| 225 | 224 |
| 226 // Keeps track of all live ChromeURLRequestContextGetters, so the | 225 // Keeps track of all live ChromeURLRequestContextGetters, so the |
| 227 // ChromeURLRequestContexts can be released during | 226 // ChromeURLRequestContexts can be released during |
| 228 // IOThread::CleanUp(). | 227 // IOThread::CleanUp(). |
| 229 std::list<ChromeURLRequestContextGetter*> url_request_context_getters_; | 228 std::list<ChromeURLRequestContextGetter*> url_request_context_getters_; |
| 230 | 229 |
| 231 ScopedRunnableMethodFactory<IOThread> method_factory_; | 230 ScopedRunnableMethodFactory<IOThread> method_factory_; |
| 232 | 231 |
| 233 DISALLOW_COPY_AND_ASSIGN(IOThread); | 232 DISALLOW_COPY_AND_ASSIGN(IOThread); |
| 234 }; | 233 }; |
| 235 | 234 |
| 236 #endif // CHROME_BROWSER_IO_THREAD_H_ | 235 #endif // CHROME_BROWSER_IO_THREAD_H_ |
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