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1 // Copyright (c) 2009-2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009-2010 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_DISK_CACHE_SPARSE_CONTROL_H_ | 5 #ifndef NET_DISK_CACHE_SPARSE_CONTROL_H_ |
6 #define NET_DISK_CACHE_SPARSE_CONTROL_H_ | 6 #define NET_DISK_CACHE_SPARSE_CONTROL_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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143 void DoChildIOCompleted(int result); | 143 void DoChildIOCompleted(int result); |
144 | 144 |
145 // Invoked by the callback of asynchronous operations. | 145 // Invoked by the callback of asynchronous operations. |
146 void OnChildIOCompleted(int result); | 146 void OnChildIOCompleted(int result); |
147 | 147 |
148 // Reports to the user that we are done. | 148 // Reports to the user that we are done. |
149 void DoUserCallback(); | 149 void DoUserCallback(); |
150 void DoAbortCallbacks(); | 150 void DoAbortCallbacks(); |
151 | 151 |
152 EntryImpl* entry_; // The sparse entry. | 152 EntryImpl* entry_; // The sparse entry. |
153 Entry* child_; // The current child entry. | 153 EntryImpl* child_; // The current child entry. |
154 SparseOperation operation_; | 154 SparseOperation operation_; |
155 bool pending_; // True if any child IO operation returned pending. | 155 bool pending_; // True if any child IO operation returned pending. |
156 bool finished_; | 156 bool finished_; |
157 bool init_; | 157 bool init_; |
158 bool range_found_; // True if GetAvailableRange found something. | 158 bool range_found_; // True if GetAvailableRange found something. |
159 bool abort_; // True if we should abort the current operation ASAP. | 159 bool abort_; // True if we should abort the current operation ASAP. |
160 | 160 |
161 SparseHeader sparse_header_; // Data about the children of entry_. | 161 SparseHeader sparse_header_; // Data about the children of entry_. |
162 Bitmap children_map_; // The actual bitmap of children. | 162 Bitmap children_map_; // The actual bitmap of children. |
163 SparseData child_data_; // Parent and allocation map of child_. | 163 SparseData child_data_; // Parent and allocation map of child_. |
164 Bitmap child_map_; // The allocation map as a bitmap. | 164 Bitmap child_map_; // The allocation map as a bitmap. |
165 | 165 |
166 net::CompletionCallbackImpl<SparseControl> child_callback_; | 166 net::CompletionCallbackImpl<SparseControl> child_callback_; |
167 net::CompletionCallback* user_callback_; | 167 net::CompletionCallback* user_callback_; |
168 std::vector<net::CompletionCallback*> abort_callbacks_; | 168 std::vector<net::CompletionCallback*> abort_callbacks_; |
169 int64 offset_; // Current sparse offset. | 169 int64 offset_; // Current sparse offset. |
170 scoped_refptr<net::DrainableIOBuffer> user_buf_; | 170 scoped_refptr<net::DrainableIOBuffer> user_buf_; |
171 int buf_len_; // Bytes to read or write. | 171 int buf_len_; // Bytes to read or write. |
172 int child_offset_; // Offset to use for the current child. | 172 int child_offset_; // Offset to use for the current child. |
173 int child_len_; // Bytes to read or write for this child. | 173 int child_len_; // Bytes to read or write for this child. |
174 int result_; | 174 int result_; |
175 | 175 |
176 DISALLOW_COPY_AND_ASSIGN(SparseControl); | 176 DISALLOW_COPY_AND_ASSIGN(SparseControl); |
177 }; | 177 }; |
178 | 178 |
179 } // namespace disk_cache | 179 } // namespace disk_cache |
180 | 180 |
181 #endif // NET_DISK_CACHE_SPARSE_CONTROL_H_ | 181 #endif // NET_DISK_CACHE_SPARSE_CONTROL_H_ |
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