[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 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 |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef CHROME_BROWSER_IO_THREAD_H_ |
| 6 | #define CHROME_BROWSER_IO_THREAD_H_ |
[email protected] | 32b76ef | 2010-07-26 23:08:24 | [diff] [blame] | 7 | #pragma once |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 8 | |
[email protected] | 8693361 | 2010-10-16 23:10:33 | [diff] [blame] | 9 | #include <set> |
[email protected] | 4359011 | 2010-10-25 18:48:06 | [diff] [blame] | 10 | |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 11 | #include "base/basictypes.h" |
[email protected] | d13c327 | 2010-02-04 00:24:51 | [diff] [blame] | 12 | #include "base/ref_counted.h" |
| 13 | #include "base/scoped_ptr.h" |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 14 | #include "chrome/browser/browser_process_sub_thread.h" |
[email protected] | ac03952 | 2010-06-15 16:39:44 | [diff] [blame] | 15 | #include "chrome/browser/net/chrome_network_delegate.h" |
[email protected] | 3530cd9 | 2010-06-27 06:22:01 | [diff] [blame] | 16 | #include "chrome/common/net/predictor_common.h" |
[email protected] | 58bc704 | 2010-07-07 18:04:14 | [diff] [blame] | 17 | #include "net/base/network_change_notifier.h" |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 18 | |
[email protected] | 9e743cd | 2010-03-16 07:03:53 | [diff] [blame] | 19 | class ChromeNetLog; |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 20 | class ListValue; |
[email protected] | 8693361 | 2010-10-16 23:10:33 | [diff] [blame] | 21 | class URLRequestContext; |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 22 | |
| 23 | namespace chrome_browser_net { |
[email protected] | 1889dc1b | 2010-10-14 22:03:13 | [diff] [blame] | 24 | class ConnectInterceptor; |
[email protected] | 74be069e8 | 2010-06-25 00:12:49 | [diff] [blame] | 25 | class Predictor; |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 26 | } // namespace chrome_browser_net |
| 27 | |
[email protected] | d13c327 | 2010-02-04 00:24:51 | [diff] [blame] | 28 | namespace net { |
[email protected] | 2db58053 | 2010-10-08 14:32:37 | [diff] [blame] | 29 | class DnsRRResolver; |
[email protected] | 1889dc1b | 2010-10-14 22:03:13 | [diff] [blame] | 30 | class HostResolver; |
[email protected] | fa55e19 | 2010-02-15 14:25:50 | [diff] [blame] | 31 | class HttpAuthHandlerFactory; |
[email protected] | 8693361 | 2010-10-16 23:10:33 | [diff] [blame] | 32 | class ProxyScriptFetcher; |
[email protected] | b4955e7d | 2010-04-16 20:22:30 | [diff] [blame] | 33 | class URLSecurityManager; |
[email protected] | d13c327 | 2010-02-04 00:24:51 | [diff] [blame] | 34 | } // namespace net |
| 35 | |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 36 | class IOThread : public BrowserProcessSubThread { |
| 37 | public: |
[email protected] | d13c327 | 2010-02-04 00:24:51 | [diff] [blame] | 38 | struct Globals { |
[email protected] | 1889dc1b | 2010-10-14 22:03:13 | [diff] [blame] | 39 | Globals(); |
| 40 | ~Globals(); |
| 41 | |
[email protected] | 9e743cd | 2010-03-16 07:03:53 | [diff] [blame] | 42 | scoped_ptr<ChromeNetLog> net_log; |
[email protected] | 73c4532 | 2010-10-01 23:57:54 | [diff] [blame] | 43 | scoped_ptr<net::HostResolver> host_resolver; |
[email protected] | 2db58053 | 2010-10-08 14:32:37 | [diff] [blame] | 44 | scoped_ptr<net::DnsRRResolver> dnsrr_resolver; |
[email protected] | fa55e19 | 2010-02-15 14:25:50 | [diff] [blame] | 45 | scoped_ptr<net::HttpAuthHandlerFactory> http_auth_handler_factory; |
[email protected] | b4955e7d | 2010-04-16 20:22:30 | [diff] [blame] | 46 | scoped_ptr<net::URLSecurityManager> url_security_manager; |
[email protected] | ac03952 | 2010-06-15 16:39:44 | [diff] [blame] | 47 | ChromeNetworkDelegate network_delegate; |
[email protected] | d13c327 | 2010-02-04 00:24:51 | [diff] [blame] | 48 | }; |
| 49 | |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 50 | IOThread(); |
| 51 | |
| 52 | virtual ~IOThread(); |
| 53 | |
[email protected] | d13c327 | 2010-02-04 00:24:51 | [diff] [blame] | 54 | // Can only be called on the IO thread. |
| 55 | Globals* globals(); |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 56 | |
[email protected] | c5629c3 | 2010-06-23 01:22:43 | [diff] [blame] | 57 | // Initializes the network predictor, which induces DNS pre-resolution and/or |
| 58 | // TCP/IP preconnections. |prefetching_enabled| indicates whether or not DNS |
| 59 | // prefetching should be enabled, and |preconnect_enabled| controls whether |
| 60 | // TCP/IP preconnection is enabled. This should be called by the UI thread. |
| 61 | // It will post a task to the IO thread to perform the actual initialization. |
[email protected] | 74be069e8 | 2010-06-25 00:12:49 | [diff] [blame] | 62 | void InitNetworkPredictor(bool prefetching_enabled, |
| 63 | base::TimeDelta max_dns_queue_delay, |
[email protected] | 755a9335 | 2010-10-29 06:33:59 | [diff] [blame^] | 64 | size_t max_speculative_parallel_resolves, |
[email protected] | 74be069e8 | 2010-06-25 00:12:49 | [diff] [blame] | 65 | const chrome_common_net::UrlList& startup_urls, |
| 66 | ListValue* referral_list, |
| 67 | bool preconnect_enabled); |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 68 | |
| 69 | // Handles changing to On The Record mode. Posts a task for this onto the |
| 70 | // IOThread's message loop. |
| 71 | void ChangedToOnTheRecord(); |
| 72 | |
[email protected] | 8693361 | 2010-10-16 23:10:33 | [diff] [blame] | 73 | // Creates a ProxyScriptFetcherImpl which will be automatically aborted |
| 74 | // during shutdown. |
| 75 | // This is used to avoid cycles between the ProxyScriptFetcher and the |
| 76 | // URLRequestContext that owns it (indirectly via the ProxyService). |
| 77 | net::ProxyScriptFetcher* CreateAndRegisterProxyScriptFetcher( |
| 78 | URLRequestContext* url_request_context); |
| 79 | |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 80 | protected: |
| 81 | virtual void Init(); |
[email protected] | 2a92cd9 | 2010-04-27 00:01:41 | [diff] [blame] | 82 | virtual void CleanUp(); |
[email protected] | 9aa33e8 | 2010-04-15 00:15:39 | [diff] [blame] | 83 | virtual void CleanUpAfterMessageLoopDestruction(); |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 84 | |
| 85 | private: |
[email protected] | 8693361 | 2010-10-16 23:10:33 | [diff] [blame] | 86 | class ManagedProxyScriptFetcher; |
| 87 | typedef std::set<ManagedProxyScriptFetcher*> ProxyScriptFetchers; |
| 88 | |
[email protected] | 65d3438 | 2010-07-01 18:12:26 | [diff] [blame] | 89 | net::HttpAuthHandlerFactory* CreateDefaultAuthHandlerFactory( |
| 90 | net::HostResolver* resolver); |
[email protected] | eb3cac7 | 2010-02-26 21:07:45 | [diff] [blame] | 91 | |
[email protected] | 74be069e8 | 2010-06-25 00:12:49 | [diff] [blame] | 92 | void InitNetworkPredictorOnIOThread( |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 93 | bool prefetching_enabled, |
[email protected] | 74be069e8 | 2010-06-25 00:12:49 | [diff] [blame] | 94 | base::TimeDelta max_dns_queue_delay, |
[email protected] | 755a9335 | 2010-10-29 06:33:59 | [diff] [blame^] | 95 | size_t max_speculative_parallel_resolves, |
| 96 | const chrome_common_net::UrlList& startup_urls, |
[email protected] | 760d970a | 2010-05-18 00:39:18 | [diff] [blame] | 97 | ListValue* referral_list, |
| 98 | bool preconnect_enabled); |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 99 | |
| 100 | void ChangedToOnTheRecordOnIOThread(); |
| 101 | |
| 102 | // These member variables are basically global, but their lifetimes are tied |
| 103 | // to the IOThread. IOThread owns them all, despite not using scoped_ptr. |
| 104 | // This is because the destructor of IOThread runs on the wrong thread. All |
[email protected] | 2a92cd9 | 2010-04-27 00:01:41 | [diff] [blame] | 105 | // member variables should be deleted in CleanUp(), except ChromeNetLog |
| 106 | // which is deleted later in CleanUpAfterMessageLoopDestruction(). |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 107 | |
[email protected] | d13c327 | 2010-02-04 00:24:51 | [diff] [blame] | 108 | // These member variables are initialized in Init() and do not change for the |
| 109 | // lifetime of the IO thread. |
| 110 | |
| 111 | Globals* globals_; |
| 112 | |
[email protected] | 2a92cd9 | 2010-04-27 00:01:41 | [diff] [blame] | 113 | // This variable is only meaningful during shutdown. It is used to defer |
| 114 | // deletion of the NetLog to CleanUpAfterMessageLoopDestruction() even |
| 115 | // though |globals_| is reset by CleanUp(). |
| 116 | scoped_ptr<ChromeNetLog> deferred_net_log_to_delete_; |
| 117 | |
[email protected] | 58bc704 | 2010-07-07 18:04:14 | [diff] [blame] | 118 | // Observer that logs network changes to the ChromeNetLog. |
| 119 | scoped_ptr<net::NetworkChangeNotifier::Observer> network_change_observer_; |
| 120 | |
[email protected] | d13c327 | 2010-02-04 00:24:51 | [diff] [blame] | 121 | // These member variables are initialized by a task posted to the IO thread, |
| 122 | // which gets posted by calling certain member functions of IOThread. |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 123 | |
[email protected] | c5629c3 | 2010-06-23 01:22:43 | [diff] [blame] | 124 | // Note: we user explicit pointers rather than smart pointers to be more |
| 125 | // explicit about destruction order, and ensure that there is no chance that |
| 126 | // these observers would be used accidentally after we have begun to tear |
| 127 | // down. |
| 128 | chrome_browser_net::ConnectInterceptor* speculative_interceptor_; |
[email protected] | 74be069e8 | 2010-06-25 00:12:49 | [diff] [blame] | 129 | chrome_browser_net::Predictor* predictor_; |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 130 | |
[email protected] | 8693361 | 2010-10-16 23:10:33 | [diff] [blame] | 131 | // List of live ProxyScriptFetchers. |
| 132 | ProxyScriptFetchers fetchers_; |
| 133 | |
[email protected] | 0ac8368 | 2010-01-22 17:46:27 | [diff] [blame] | 134 | DISALLOW_COPY_AND_ASSIGN(IOThread); |
| 135 | }; |
| 136 | |
[email protected] | fa55e19 | 2010-02-15 14:25:50 | [diff] [blame] | 137 | #endif // CHROME_BROWSER_IO_THREAD_H_ |