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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_DISK_CACHE_BLOCKFILE_ENTRY_IMPL_H_ | 5 #ifndef NET_DISK_CACHE_BLOCKFILE_ENTRY_IMPL_H_ |
| 6 #define NET_DISK_CACHE_BLOCKFILE_ENTRY_IMPL_H_ | 6 #define NET_DISK_CACHE_BLOCKFILE_ENTRY_IMPL_H_ |
| 7 | 7 |
| 8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
| 9 #include "net/base/net_log.h" | 9 #include "net/base/net_log.h" |
| 10 #include "net/disk_cache/blockfile/disk_format.h" | 10 #include "net/disk_cache/blockfile/disk_format.h" |
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| 140 // initialized before this is called. |created| is true if the Entry was | 140 // initialized before this is called. |created| is true if the Entry was |
| 141 // created rather than opened. | 141 // created rather than opened. |
| 142 void BeginLogging(net::NetLog* net_log, bool created); | 142 void BeginLogging(net::NetLog* net_log, bool created); |
| 143 | 143 |
| 144 const net::BoundNetLog& net_log() const; | 144 const net::BoundNetLog& net_log() const; |
| 145 | 145 |
| 146 // Returns the number of blocks needed to store an EntryStore. | 146 // Returns the number of blocks needed to store an EntryStore. |
| 147 static int NumBlocksForEntry(int key_size); | 147 static int NumBlocksForEntry(int key_size); |
| 148 | 148 |
| 149 // Entry interface. | 149 // Entry interface. |
| 150 virtual void Doom() OVERRIDE; | 150 virtual void Doom() override; |
| 151 virtual void Close() OVERRIDE; | 151 virtual void Close() override; |
| 152 virtual std::string GetKey() const OVERRIDE; | 152 virtual std::string GetKey() const override; |
| 153 virtual base::Time GetLastUsed() const OVERRIDE; | 153 virtual base::Time GetLastUsed() const override; |
| 154 virtual base::Time GetLastModified() const OVERRIDE; | 154 virtual base::Time GetLastModified() const override; |
| 155 virtual int32 GetDataSize(int index) const OVERRIDE; | 155 virtual int32 GetDataSize(int index) const override; |
| 156 virtual int ReadData(int index, int offset, IOBuffer* buf, int buf_len, | 156 virtual int ReadData(int index, int offset, IOBuffer* buf, int buf_len, |
| 157 const CompletionCallback& callback) OVERRIDE; | 157 const CompletionCallback& callback) override; |
| 158 virtual int WriteData(int index, int offset, IOBuffer* buf, int buf_len, | 158 virtual int WriteData(int index, int offset, IOBuffer* buf, int buf_len, |
| 159 const CompletionCallback& callback, | 159 const CompletionCallback& callback, |
| 160 bool truncate) OVERRIDE; | 160 bool truncate) override; |
| 161 virtual int ReadSparseData(int64 offset, IOBuffer* buf, int buf_len, | 161 virtual int ReadSparseData(int64 offset, IOBuffer* buf, int buf_len, |
| 162 const CompletionCallback& callback) OVERRIDE; | 162 const CompletionCallback& callback) override; |
| 163 virtual int WriteSparseData(int64 offset, IOBuffer* buf, int buf_len, | 163 virtual int WriteSparseData(int64 offset, IOBuffer* buf, int buf_len, |
| 164 const CompletionCallback& callback) OVERRIDE; | 164 const CompletionCallback& callback) override; |
| 165 virtual int GetAvailableRange(int64 offset, int len, int64* start, | 165 virtual int GetAvailableRange(int64 offset, int len, int64* start, |
| 166 const CompletionCallback& callback) OVERRIDE; | 166 const CompletionCallback& callback) override; |
| 167 virtual bool CouldBeSparse() const OVERRIDE; | 167 virtual bool CouldBeSparse() const override; |
| 168 virtual void CancelSparseIO() OVERRIDE; | 168 virtual void CancelSparseIO() override; |
| 169 virtual int ReadyForSparseIO(const CompletionCallback& callback) OVERRIDE; | 169 virtual int ReadyForSparseIO(const CompletionCallback& callback) override; |
| 170 | 170 |
| 171 private: | 171 private: |
| 172 enum { | 172 enum { |
| 173 kNumStreams = 3 | 173 kNumStreams = 3 |
| 174 }; | 174 }; |
| 175 class UserBuffer; | 175 class UserBuffer; |
| 176 | 176 |
| 177 virtual ~EntryImpl(); | 177 virtual ~EntryImpl(); |
| 178 | 178 |
| 179 // Do all the work for ReadDataImpl and WriteDataImpl. Implemented as | 179 // Do all the work for ReadDataImpl and WriteDataImpl. Implemented as |
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| 269 scoped_ptr<SparseControl> sparse_; // Support for sparse entries. | 269 scoped_ptr<SparseControl> sparse_; // Support for sparse entries. |
| 270 | 270 |
| 271 net::BoundNetLog net_log_; | 271 net::BoundNetLog net_log_; |
| 272 | 272 |
| 273 DISALLOW_COPY_AND_ASSIGN(EntryImpl); | 273 DISALLOW_COPY_AND_ASSIGN(EntryImpl); |
| 274 }; | 274 }; |
| 275 | 275 |
| 276 } // namespace disk_cache | 276 } // namespace disk_cache |
| 277 | 277 |
| 278 #endif // NET_DISK_CACHE_BLOCKFILE_ENTRY_IMPL_H_ | 278 #endif // NET_DISK_CACHE_BLOCKFILE_ENTRY_IMPL_H_ |
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