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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 #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 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
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| 63 // map. Resulting IDs will be lowercase and consist of the scheme, host, port | 63 // map. Resulting IDs will be lowercase and consist of the scheme, host, port |
| 64 // and path (without query string, fragment, etc.). | 64 // and path (without query string, fragment, etc.). |
| 65 // If the URL is invalid, the invalid spec will be returned, without any | 65 // If the URL is invalid, the invalid spec will be returned, without any |
| 66 // transformation. | 66 // transformation. |
| 67 std::string GetIdFromUrl(const GURL& url) const; | 67 std::string GetIdFromUrl(const GURL& url) const; |
| 68 | 68 |
| 69 // Method that ensures the map gets cleaned from time to time. The period at | 69 // Method that ensures the map gets cleaned from time to time. The period at |
| 70 // which garbage collecting happens is adjustable with the | 70 // which garbage collecting happens is adjustable with the |
| 71 // kRequestBetweenCollecting constant. | 71 // kRequestBetweenCollecting constant. |
| 72 void GarbageCollectEntriesIfNecessary(); | 72 void GarbageCollectEntriesIfNecessary(); |
| 73 |
| 73 // Method that does the actual work of garbage collecting. | 74 // Method that does the actual work of garbage collecting. |
| 74 void GarbageCollectEntries(); | 75 void GarbageCollectEntries(); |
| 75 | 76 |
| 76 // Used by tests. | 77 // Used by tests. |
| 77 int GetNumberOfEntriesForTests() const { return url_entries_.size(); } | 78 int GetNumberOfEntriesForTests() const { return url_entries_.size(); } |
| 78 | 79 |
| 79 private: | 80 private: |
| 80 friend struct DefaultSingletonTraits<URLRequestThrottlerManager>; | 81 friend struct DefaultSingletonTraits<URLRequestThrottlerManager>; |
| 81 | 82 |
| 82 // From each URL we generate an ID composed of the scheme, host, port and path | 83 // From each URL we generate an ID composed of the scheme, host, port and path |
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| 102 // Whether we would like to reject outgoing HTTP requests during the back-off | 103 // Whether we would like to reject outgoing HTTP requests during the back-off |
| 103 // period. | 104 // period. |
| 104 bool enforce_throttling_; | 105 bool enforce_throttling_; |
| 105 | 106 |
| 106 DISALLOW_COPY_AND_ASSIGN(URLRequestThrottlerManager); | 107 DISALLOW_COPY_AND_ASSIGN(URLRequestThrottlerManager); |
| 107 }; | 108 }; |
| 108 | 109 |
| 109 } // namespace net | 110 } // namespace net |
| 110 | 111 |
| 111 #endif // NET_URL_REQUEST_URL_REQUEST_THROTTLER_MANAGER_H_ | 112 #endif // NET_URL_REQUEST_URL_REQUEST_THROTTLER_MANAGER_H_ |
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