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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 #ifndef NET_DISK_CACHE_ENTRY_IMPL_H_ | 5 #ifndef NET_DISK_CACHE_ENTRY_IMPL_H_ |
6 #define NET_DISK_CACHE_ENTRY_IMPL_H_ | 6 #define NET_DISK_CACHE_ENTRY_IMPL_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "net/base/net_log.h" | 10 #include "net/base/net_log.h" |
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145 virtual bool CouldBeSparse() const; | 145 virtual bool CouldBeSparse() const; |
146 virtual void CancelSparseIO(); | 146 virtual void CancelSparseIO(); |
147 virtual int ReadyForSparseIO(net::CompletionCallback* completion_callback); | 147 virtual int ReadyForSparseIO(net::CompletionCallback* completion_callback); |
148 | 148 |
149 private: | 149 private: |
150 enum { | 150 enum { |
151 kNumStreams = 3 | 151 kNumStreams = 3 |
152 }; | 152 }; |
153 class UserBuffer; | 153 class UserBuffer; |
154 | 154 |
155 ~EntryImpl(); | 155 virtual ~EntryImpl(); |
156 | 156 |
157 // Do all the work for ReadDataImpl and WriteDataImpl. Implemented as | 157 // Do all the work for ReadDataImpl and WriteDataImpl. Implemented as |
158 // separate functions to make logging of results simpler. | 158 // separate functions to make logging of results simpler. |
159 int InternalReadData(int index, int offset, net::IOBuffer* buf, | 159 int InternalReadData(int index, int offset, net::IOBuffer* buf, |
160 int buf_len, CompletionCallback* callback); | 160 int buf_len, CompletionCallback* callback); |
161 int InternalWriteData(int index, int offset, net::IOBuffer* buf, int buf_len, | 161 int InternalWriteData(int index, int offset, net::IOBuffer* buf, int buf_len, |
162 CompletionCallback* callback, bool truncate); | 162 CompletionCallback* callback, bool truncate); |
163 | 163 |
164 // Initializes the storage for an internal or external data block. | 164 // Initializes the storage for an internal or external data block. |
165 bool CreateDataBlock(int index, int size); | 165 bool CreateDataBlock(int index, int size); |
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246 scoped_ptr<SparseControl> sparse_; // Support for sparse entries. | 246 scoped_ptr<SparseControl> sparse_; // Support for sparse entries. |
247 | 247 |
248 net::BoundNetLog net_log_; | 248 net::BoundNetLog net_log_; |
249 | 249 |
250 DISALLOW_COPY_AND_ASSIGN(EntryImpl); | 250 DISALLOW_COPY_AND_ASSIGN(EntryImpl); |
251 }; | 251 }; |
252 | 252 |
253 } // namespace disk_cache | 253 } // namespace disk_cache |
254 | 254 |
255 #endif // NET_DISK_CACHE_ENTRY_IMPL_H_ | 255 #endif // NET_DISK_CACHE_ENTRY_IMPL_H_ |
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