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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 #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> |
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| 29 // register their URLs in this manager on each request. | 29 // register their URLs in this manager on each request. |
| 30 // | 30 // |
| 31 // URLRequestThrottlerManager maintains a map of URL IDs to URL request | 31 // URLRequestThrottlerManager maintains a map of URL IDs to URL request |
| 32 // throttler entries. It creates URL request throttler entries when new URLs | 32 // throttler entries. It creates URL request throttler entries when new URLs |
| 33 // are registered, and does garbage collection from time to time in order to | 33 // are registered, and does garbage collection from time to time in order to |
| 34 // clean out outdated entries. URL ID consists of lowercased scheme, host, port | 34 // clean out outdated entries. URL ID consists of lowercased scheme, host, port |
| 35 // and path. All URLs converted to the same ID will share the same entry. | 35 // and path. All URLs converted to the same ID will share the same entry. |
| 36 class NET_EXPORT URLRequestThrottlerManager | 36 class NET_EXPORT URLRequestThrottlerManager |
| 37 : NON_EXPORTED_BASE(public base::NonThreadSafe), | 37 : NON_EXPORTED_BASE(public base::NonThreadSafe), |
| 38 public NetworkChangeNotifier::IPAddressObserver, | 38 public NetworkChangeNotifier::IPAddressObserver, |
| 39 public NetworkChangeNotifier::OnlineStateObserver { | 39 public NetworkChangeNotifier::ConnectionTypeObserver { |
| 40 public: | 40 public: |
| 41 URLRequestThrottlerManager(); | 41 URLRequestThrottlerManager(); |
| 42 virtual ~URLRequestThrottlerManager(); | 42 virtual ~URLRequestThrottlerManager(); |
| 43 | 43 |
| 44 // Must be called for every request, returns the URL request throttler entry | 44 // Must be called for every request, returns the URL request throttler entry |
| 45 // associated with the URL. The caller must inform this entry of some events. | 45 // associated with the URL. The caller must inform this entry of some events. |
| 46 // Please refer to url_request_throttler_entry_interface.h for further | 46 // Please refer to url_request_throttler_entry_interface.h for further |
| 47 // informations. | 47 // informations. |
| 48 scoped_refptr<URLRequestThrottlerEntryInterface> RegisterRequestUrl( | 48 scoped_refptr<URLRequestThrottlerEntryInterface> RegisterRequestUrl( |
| 49 const GURL& url); | 49 const GURL& url); |
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| 74 void set_enforce_throttling(bool enforce); | 74 void set_enforce_throttling(bool enforce); |
| 75 bool enforce_throttling(); | 75 bool enforce_throttling(); |
| 76 | 76 |
| 77 // Sets the NetLog instance to use. | 77 // Sets the NetLog instance to use. |
| 78 void set_net_log(NetLog* net_log); | 78 void set_net_log(NetLog* net_log); |
| 79 NetLog* net_log() const; | 79 NetLog* net_log() const; |
| 80 | 80 |
| 81 // IPAddressObserver interface. | 81 // IPAddressObserver interface. |
| 82 virtual void OnIPAddressChanged() OVERRIDE; | 82 virtual void OnIPAddressChanged() OVERRIDE; |
| 83 | 83 |
| 84 // OnlineStateObserver interface. | 84 // ConnectionTypeObserver interface. |
| 85 virtual void OnOnlineStateChanged(bool online) OVERRIDE; | 85 virtual void OnConnectionTypeChanged( |
| 86 NetworkChangeNotifier::ConnectionType type) OVERRIDE; |
| 86 | 87 |
| 87 // Method that allows us to transform a URL into an ID that can be used in our | 88 // Method that allows us to transform a URL into an ID that can be used in our |
| 88 // map. Resulting IDs will be lowercase and consist of the scheme, host, port | 89 // map. Resulting IDs will be lowercase and consist of the scheme, host, port |
| 89 // and path (without query string, fragment, etc.). | 90 // and path (without query string, fragment, etc.). |
| 90 // If the URL is invalid, the invalid spec will be returned, without any | 91 // If the URL is invalid, the invalid spec will be returned, without any |
| 91 // transformation. | 92 // transformation. |
| 92 std::string GetIdFromUrl(const GURL& url) const; | 93 std::string GetIdFromUrl(const GURL& url) const; |
| 93 | 94 |
| 94 // Method that ensures the map gets cleaned from time to time. The period at | 95 // Method that ensures the map gets cleaned from time to time. The period at |
| 95 // which garbage collecting happens is adjustable with the | 96 // which garbage collecting happens is adjustable with the |
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| 161 | 162 |
| 162 // Valid once we've registered for network notifications. | 163 // Valid once we've registered for network notifications. |
| 163 base::PlatformThreadId registered_from_thread_; | 164 base::PlatformThreadId registered_from_thread_; |
| 164 | 165 |
| 165 DISALLOW_COPY_AND_ASSIGN(URLRequestThrottlerManager); | 166 DISALLOW_COPY_AND_ASSIGN(URLRequestThrottlerManager); |
| 166 }; | 167 }; |
| 167 | 168 |
| 168 } // namespace net | 169 } // namespace net |
| 169 | 170 |
| 170 #endif // NET_URL_REQUEST_URL_REQUEST_THROTTLER_MANAGER_H_ | 171 #endif // NET_URL_REQUEST_URL_REQUEST_THROTTLER_MANAGER_H_ |
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