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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 // Defines the public interface of the disk cache. For more details see | 5 // Defines the public interface of the disk cache. For more details see |
| 6 // http://dev.chromium.org/developers/design-documents/network-stack/disk-cache | 6 // http://dev.chromium.org/developers/design-documents/network-stack/disk-cache |
| 7 | 7 |
| 8 #ifndef NET_DISK_CACHE_DISK_CACHE_H_ | 8 #ifndef NET_DISK_CACHE_DISK_CACHE_H_ |
| 9 #define NET_DISK_CACHE_DISK_CACHE_H_ | 9 #define NET_DISK_CACHE_DISK_CACHE_H_ |
| 10 #pragma once | 10 #pragma once |
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| 95 // Marks the entry, specified by the given key, for deletion. The return value | 95 // Marks the entry, specified by the given key, for deletion. The return value |
| 96 // is a net error code. If this method returns ERR_IO_PENDING, the |callback| | 96 // is a net error code. If this method returns ERR_IO_PENDING, the |callback| |
| 97 // will be invoked after the entry is doomed. | 97 // will be invoked after the entry is doomed. |
| 98 virtual int DoomEntry(const std::string& key, | 98 virtual int DoomEntry(const std::string& key, |
| 99 OldCompletionCallback* callback) = 0; | 99 OldCompletionCallback* callback) = 0; |
| 100 | 100 |
| 101 // Marks all entries for deletion. The return value is a net error code. If | 101 // Marks all entries for deletion. The return value is a net error code. If |
| 102 // this method returns ERR_IO_PENDING, the |callback| will be invoked when the | 102 // this method returns ERR_IO_PENDING, the |callback| will be invoked when the |
| 103 // operation completes. | 103 // operation completes. |
| 104 virtual int DoomAllEntries(OldCompletionCallback* callback) = 0; | 104 virtual int DoomAllEntries(OldCompletionCallback* callback) = 0; |
| 105 virtual int DoomAllEntries(const net::CompletionCallback& callback) = 0; |
| 105 | 106 |
| 106 // Marks a range of entries for deletion. This supports unbounded deletes in | 107 // Marks a range of entries for deletion. This supports unbounded deletes in |
| 107 // either direction by using null Time values for either argument. The return | 108 // either direction by using null Time values for either argument. The return |
| 108 // value is a net error code. If this method returns ERR_IO_PENDING, the | 109 // value is a net error code. If this method returns ERR_IO_PENDING, the |
| 109 // |callback| will be invoked when the operation completes. | 110 // |callback| will be invoked when the operation completes. |
| 110 virtual int DoomEntriesBetween(const base::Time initial_time, | 111 virtual int DoomEntriesBetween(const base::Time initial_time, |
| 111 const base::Time end_time, | 112 const base::Time end_time, |
| 112 OldCompletionCallback* callback) = 0; | 113 OldCompletionCallback* callback) = 0; |
| 114 virtual int DoomEntriesBetween(const base::Time initial_time, |
| 115 const base::Time end_time, |
| 116 const net::CompletionCallback& callback) = 0; |
| 113 | 117 |
| 114 // Marks all entries accessed since |initial_time| for deletion. The return | 118 // Marks all entries accessed since |initial_time| for deletion. The return |
| 115 // value is a net error code. If this method returns ERR_IO_PENDING, the | 119 // value is a net error code. If this method returns ERR_IO_PENDING, the |
| 116 // |callback| will be invoked when the operation completes. | 120 // |callback| will be invoked when the operation completes. |
| 117 virtual int DoomEntriesSince(const base::Time initial_time, | 121 virtual int DoomEntriesSince(const base::Time initial_time, |
| 118 OldCompletionCallback* callback) = 0; | 122 OldCompletionCallback* callback) = 0; |
| 119 | 123 |
| 120 // Enumerates the cache. Initialize |iter| to NULL before calling this method | 124 // Enumerates the cache. Initialize |iter| to NULL before calling this method |
| 121 // the first time. That will cause the enumeration to start at the head of | 125 // the first time. That will cause the enumeration to start at the head of |
| 122 // the cache. For subsequent calls, pass the same |iter| pointer again without | 126 // the cache. For subsequent calls, pass the same |iter| pointer again without |
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| 304 // Note: This method is deprecated. | 308 // Note: This method is deprecated. |
| 305 virtual int ReadyForSparseIO(OldCompletionCallback* completion_callback) = 0; | 309 virtual int ReadyForSparseIO(OldCompletionCallback* completion_callback) = 0; |
| 306 | 310 |
| 307 protected: | 311 protected: |
| 308 virtual ~Entry() {} | 312 virtual ~Entry() {} |
| 309 }; | 313 }; |
| 310 | 314 |
| 311 } // namespace disk_cache | 315 } // namespace disk_cache |
| 312 | 316 |
| 313 #endif // NET_DISK_CACHE_DISK_CACHE_H_ | 317 #endif // NET_DISK_CACHE_DISK_CACHE_H_ |
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