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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 NET_URL_REQUEST_URL_REQUEST_THROTTLER_MANAGER_H_ | 5 #ifndef NET_URL_REQUEST_URL_REQUEST_THROTTLER_MANAGER_H_ |
6 #define NET_URL_REQUEST_URL_REQUEST_THROTTLER_MANAGER_H_ | 6 #define NET_URL_REQUEST_URL_REQUEST_THROTTLER_MANAGER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <map> | 9 #include <map> |
10 #include <set> | 10 #include <set> |
11 #include <string> | 11 #include <string> |
12 | 12 |
13 #include "base/basictypes.h" | 13 #include "base/basictypes.h" |
14 #include "base/memory/scoped_ptr.h" | 14 #include "base/memory/scoped_ptr.h" |
15 #include "base/memory/singleton.h" | 15 #include "base/memory/singleton.h" |
16 #include "base/threading/non_thread_safe.h" | 16 #include "base/threading/non_thread_safe.h" |
17 #include "base/threading/platform_thread.h" | 17 #include "base/threading/platform_thread.h" |
18 #include "googleurl/src/gurl.h" | 18 #include "googleurl/src/gurl.h" |
19 #include "net/base/net_api.h" | 19 #include "net/base/net_export.h" |
20 #include "net/base/network_change_notifier.h" | 20 #include "net/base/network_change_notifier.h" |
21 #include "net/url_request/url_request_throttler_entry.h" | 21 #include "net/url_request/url_request_throttler_entry.h" |
22 | 22 |
23 namespace net { | 23 namespace net { |
24 | 24 |
25 class BoundNetLog; | 25 class BoundNetLog; |
26 class NetLog; | 26 class NetLog; |
27 | 27 |
28 // Class that registers URL request throttler entries for URLs being accessed | 28 // Class that registers URL request throttler entries for URLs being accessed |
29 // in order to supervise traffic. URL requests for HTTP contents should | 29 // in order to supervise traffic. URL requests for HTTP contents should |
30 // register their URLs in this manager on each request. | 30 // register their URLs in this manager on each request. |
31 // | 31 // |
32 // URLRequestThrottlerManager maintains a map of URL IDs to URL request | 32 // URLRequestThrottlerManager maintains a map of URL IDs to URL request |
33 // throttler entries. It creates URL request throttler entries when new URLs | 33 // throttler entries. It creates URL request throttler entries when new URLs |
34 // are registered, and does garbage collection from time to time in order to | 34 // are registered, and does garbage collection from time to time in order to |
35 // clean out outdated entries. URL ID consists of lowercased scheme, host, port | 35 // clean out outdated entries. URL ID consists of lowercased scheme, host, port |
36 // and path. All URLs converted to the same ID will share the same entry. | 36 // and path. All URLs converted to the same ID will share the same entry. |
37 // | 37 // |
38 // NOTE: All usage of this singleton object must be on the same thread, | 38 // NOTE: All usage of this singleton object must be on the same thread, |
39 // although to allow it to be used as a singleton, construction and destruction | 39 // although to allow it to be used as a singleton, construction and destruction |
40 // can occur on a separate thread. | 40 // can occur on a separate thread. |
41 class NET_API URLRequestThrottlerManager | 41 class NET_EXPORT URLRequestThrottlerManager |
42 : NON_EXPORTED_BASE(public base::NonThreadSafe), | 42 : NON_EXPORTED_BASE(public base::NonThreadSafe), |
43 public NetworkChangeNotifier::IPAddressObserver, | 43 public NetworkChangeNotifier::IPAddressObserver, |
44 public NetworkChangeNotifier::OnlineStateObserver { | 44 public NetworkChangeNotifier::OnlineStateObserver { |
45 public: | 45 public: |
46 static URLRequestThrottlerManager* GetInstance(); | 46 static URLRequestThrottlerManager* GetInstance(); |
47 | 47 |
48 // Must be called for every request, returns the URL request throttler entry | 48 // Must be called for every request, returns the URL request throttler entry |
49 // associated with the URL. The caller must inform this entry of some events. | 49 // associated with the URL. The caller must inform this entry of some events. |
50 // Please refer to url_request_throttler_entry_interface.h for further | 50 // Please refer to url_request_throttler_entry_interface.h for further |
51 // informations. | 51 // informations. |
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171 | 171 |
172 // Valid once we've registered for network notifications. | 172 // Valid once we've registered for network notifications. |
173 base::PlatformThreadId registered_from_thread_; | 173 base::PlatformThreadId registered_from_thread_; |
174 | 174 |
175 DISALLOW_COPY_AND_ASSIGN(URLRequestThrottlerManager); | 175 DISALLOW_COPY_AND_ASSIGN(URLRequestThrottlerManager); |
176 }; | 176 }; |
177 | 177 |
178 } // namespace net | 178 } // namespace net |
179 | 179 |
180 #endif // NET_URL_REQUEST_URL_REQUEST_THROTTLER_MANAGER_H_ | 180 #endif // NET_URL_REQUEST_URL_REQUEST_THROTTLER_MANAGER_H_ |
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