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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_BASE_IO_BUFFER_H_ | 5 #ifndef NET_BASE_IO_BUFFER_H_ |
6 #define NET_BASE_IO_BUFFER_H_ | 6 #define NET_BASE_IO_BUFFER_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
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208 int capacity_; | 208 int capacity_; |
209 int offset_; | 209 int offset_; |
210 }; | 210 }; |
211 | 211 |
212 // This versions allows a pickle to be used as the storage for a write-style | 212 // This versions allows a pickle to be used as the storage for a write-style |
213 // operation, avoiding an extra data copy. | 213 // operation, avoiding an extra data copy. |
214 class NET_EXPORT PickledIOBuffer : public IOBuffer { | 214 class NET_EXPORT PickledIOBuffer : public IOBuffer { |
215 public: | 215 public: |
216 PickledIOBuffer(); | 216 PickledIOBuffer(); |
217 | 217 |
218 Pickle* pickle() { return &pickle_; } | 218 base::Pickle* pickle() { return &pickle_; } |
219 | 219 |
220 // Signals that we are done writing to the pickle and we can use it for a | 220 // Signals that we are done writing to the pickle and we can use it for a |
221 // write-style IO operation. | 221 // write-style IO operation. |
222 void Done(); | 222 void Done(); |
223 | 223 |
224 private: | 224 private: |
225 ~PickledIOBuffer() override; | 225 ~PickledIOBuffer() override; |
226 | 226 |
227 Pickle pickle_; | 227 base::Pickle pickle_; |
228 }; | 228 }; |
229 | 229 |
230 // This class allows the creation of a temporary IOBuffer that doesn't really | 230 // This class allows the creation of a temporary IOBuffer that doesn't really |
231 // own the underlying buffer. Please use this class only as a last resort. | 231 // own the underlying buffer. Please use this class only as a last resort. |
232 // A good example is the buffer for a synchronous operation, where we can be | 232 // A good example is the buffer for a synchronous operation, where we can be |
233 // sure that nobody is keeping an extra reference to this object so the lifetime | 233 // sure that nobody is keeping an extra reference to this object so the lifetime |
234 // of the buffer can be completely managed by its intended owner. | 234 // of the buffer can be completely managed by its intended owner. |
235 class NET_EXPORT WrappedIOBuffer : public IOBuffer { | 235 class NET_EXPORT WrappedIOBuffer : public IOBuffer { |
236 public: | 236 public: |
237 explicit WrappedIOBuffer(const char* data); | 237 explicit WrappedIOBuffer(const char* data); |
238 | 238 |
239 protected: | 239 protected: |
240 ~WrappedIOBuffer() override; | 240 ~WrappedIOBuffer() override; |
241 }; | 241 }; |
242 | 242 |
243 } // namespace net | 243 } // namespace net |
244 | 244 |
245 #endif // NET_BASE_IO_BUFFER_H_ | 245 #endif // NET_BASE_IO_BUFFER_H_ |
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