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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 // See net/disk_cache/disk_cache.h for the public interface of the cache. | 5 // See net/disk_cache/disk_cache.h for the public interface of the cache. |
6 | 6 |
7 #ifndef NET_DISK_CACHE_MEMORY_MEM_BACKEND_IMPL_H_ | 7 #ifndef NET_DISK_CACHE_MEMORY_MEM_BACKEND_IMPL_H_ |
8 #define NET_DISK_CACHE_MEMORY_MEM_BACKEND_IMPL_H_ | 8 #define NET_DISK_CACHE_MEMORY_MEM_BACKEND_IMPL_H_ |
9 | 9 |
| 10 #include <stdint.h> |
| 11 |
10 #include "base/compiler_specific.h" | 12 #include "base/compiler_specific.h" |
11 #include "base/containers/hash_tables.h" | 13 #include "base/containers/hash_tables.h" |
| 14 #include "base/macros.h" |
12 #include "base/memory/weak_ptr.h" | 15 #include "base/memory/weak_ptr.h" |
13 #include "base/strings/string_split.h" | 16 #include "base/strings/string_split.h" |
14 #include "net/disk_cache/disk_cache.h" | 17 #include "net/disk_cache/disk_cache.h" |
15 #include "net/disk_cache/memory/mem_rankings.h" | 18 #include "net/disk_cache/memory/mem_rankings.h" |
16 | 19 |
17 namespace net { | 20 namespace net { |
18 class NetLog; | 21 class NetLog; |
19 } // namespace net | 22 } // namespace net |
20 | 23 |
21 namespace disk_cache { | 24 namespace disk_cache { |
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42 // Sets the maximum size for the total amount of data stored by this instance. | 45 // Sets the maximum size for the total amount of data stored by this instance. |
43 bool SetMaxSize(int max_bytes); | 46 bool SetMaxSize(int max_bytes); |
44 | 47 |
45 // Permanently deletes an entry. | 48 // Permanently deletes an entry. |
46 void InternalDoomEntry(MemEntryImpl* entry); | 49 void InternalDoomEntry(MemEntryImpl* entry); |
47 | 50 |
48 // Updates the ranking information for an entry. | 51 // Updates the ranking information for an entry. |
49 void UpdateRank(MemEntryImpl* node); | 52 void UpdateRank(MemEntryImpl* node); |
50 | 53 |
51 // A user data block is being created, extended or truncated. | 54 // A user data block is being created, extended or truncated. |
52 void ModifyStorageSize(int32 old_size, int32 new_size); | 55 void ModifyStorageSize(int32_t old_size, int32_t new_size); |
53 | 56 |
54 // Returns the maximum size for a file to reside on the cache. | 57 // Returns the maximum size for a file to reside on the cache. |
55 int MaxFileSize() const; | 58 int MaxFileSize() const; |
56 | 59 |
57 // Insert an MemEntryImpl into the ranking list. This method is only called | 60 // Insert an MemEntryImpl into the ranking list. This method is only called |
58 // from MemEntryImpl to insert child entries. The reference can be removed | 61 // from MemEntryImpl to insert child entries. The reference can be removed |
59 // by calling RemoveFromRankingList(|entry|). | 62 // by calling RemoveFromRankingList(|entry|). |
60 void InsertIntoRankingList(MemEntryImpl* entry); | 63 void InsertIntoRankingList(MemEntryImpl* entry); |
61 | 64 |
62 // Remove |entry| from ranking list. This method is only called from | 65 // Remove |entry| from ranking list. This method is only called from |
63 // MemEntryImpl to remove a child entry from the ranking list. | 66 // MemEntryImpl to remove a child entry from the ranking list. |
64 void RemoveFromRankingList(MemEntryImpl* entry); | 67 void RemoveFromRankingList(MemEntryImpl* entry); |
65 | 68 |
66 // Backend interface. | 69 // Backend interface. |
67 net::CacheType GetCacheType() const override; | 70 net::CacheType GetCacheType() const override; |
68 int32 GetEntryCount() const override; | 71 int32_t GetEntryCount() const override; |
69 int OpenEntry(const std::string& key, | 72 int OpenEntry(const std::string& key, |
70 Entry** entry, | 73 Entry** entry, |
71 const CompletionCallback& callback) override; | 74 const CompletionCallback& callback) override; |
72 int CreateEntry(const std::string& key, | 75 int CreateEntry(const std::string& key, |
73 Entry** entry, | 76 Entry** entry, |
74 const CompletionCallback& callback) override; | 77 const CompletionCallback& callback) override; |
75 int DoomEntry(const std::string& key, | 78 int DoomEntry(const std::string& key, |
76 const CompletionCallback& callback) override; | 79 const CompletionCallback& callback) override; |
77 int DoomAllEntries(const CompletionCallback& callback) override; | 80 int DoomAllEntries(const CompletionCallback& callback) override; |
78 int DoomEntriesBetween(base::Time initial_time, | 81 int DoomEntriesBetween(base::Time initial_time, |
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99 bool DoomEntriesBetween(const base::Time initial_time, | 102 bool DoomEntriesBetween(const base::Time initial_time, |
100 const base::Time end_time); | 103 const base::Time end_time); |
101 bool DoomEntriesSince(const base::Time initial_time); | 104 bool DoomEntriesSince(const base::Time initial_time); |
102 | 105 |
103 // Deletes entries from the cache until the current size is below the limit. | 106 // Deletes entries from the cache until the current size is below the limit. |
104 // If empty is true, the whole cache will be trimmed, regardless of being in | 107 // If empty is true, the whole cache will be trimmed, regardless of being in |
105 // use. | 108 // use. |
106 void TrimCache(bool empty); | 109 void TrimCache(bool empty); |
107 | 110 |
108 // Handles the used storage count. | 111 // Handles the used storage count. |
109 void AddStorageSize(int32 bytes); | 112 void AddStorageSize(int32_t bytes); |
110 void SubstractStorageSize(int32 bytes); | 113 void SubstractStorageSize(int32_t bytes); |
111 | 114 |
112 EntryMap entries_; | 115 EntryMap entries_; |
113 MemRankings rankings_; // Rankings to be able to trim the cache. | 116 MemRankings rankings_; // Rankings to be able to trim the cache. |
114 int32 max_size_; // Maximum data size for this instance. | 117 int32_t max_size_; // Maximum data size for this instance. |
115 int32 current_size_; | 118 int32_t current_size_; |
116 | 119 |
117 net::NetLog* net_log_; | 120 net::NetLog* net_log_; |
118 | 121 |
119 base::WeakPtrFactory<MemBackendImpl> weak_factory_; | 122 base::WeakPtrFactory<MemBackendImpl> weak_factory_; |
120 | 123 |
121 DISALLOW_COPY_AND_ASSIGN(MemBackendImpl); | 124 DISALLOW_COPY_AND_ASSIGN(MemBackendImpl); |
122 }; | 125 }; |
123 | 126 |
124 } // namespace disk_cache | 127 } // namespace disk_cache |
125 | 128 |
126 #endif // NET_DISK_CACHE_MEMORY_MEM_BACKEND_IMPL_H_ | 129 #endif // NET_DISK_CACHE_MEMORY_MEM_BACKEND_IMPL_H_ |
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