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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_TOOLS_FLIP_SERVER_RING_BUFFER_H__ | 5 #ifndef NET_TOOLS_FLIP_SERVER_RING_BUFFER_H__ |
| 6 #define NET_TOOLS_FLIP_SERVER_RING_BUFFER_H__ | 6 #define NET_TOOLS_FLIP_SERVER_RING_BUFFER_H__ |
| 7 | 7 |
| 8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
| 9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "net/tools/balsa/buffer_interface.h" | 10 #include "net/tools/balsa/buffer_interface.h" |
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| 40 // of what they do if the function isn't documented here. | 40 // of what they do if the function isn't documented here. |
| 41 virtual int ReadableBytes() const OVERRIDE; | 41 virtual int ReadableBytes() const OVERRIDE; |
| 42 virtual int BufferSize() const OVERRIDE; | 42 virtual int BufferSize() const OVERRIDE; |
| 43 virtual int BytesFree() const OVERRIDE; | 43 virtual int BytesFree() const OVERRIDE; |
| 44 | 44 |
| 45 virtual bool Empty() const OVERRIDE; | 45 virtual bool Empty() const OVERRIDE; |
| 46 virtual bool Full() const OVERRIDE; | 46 virtual bool Full() const OVERRIDE; |
| 47 | 47 |
| 48 // returns the number of characters written. | 48 // returns the number of characters written. |
| 49 // appends up-to-'size' bytes to the ringbuffer. | 49 // appends up-to-'size' bytes to the ringbuffer. |
| 50 virtual int Write(const char * bytes, int size) OVERRIDE; | 50 virtual int Write(const char* bytes, int size) OVERRIDE; |
| 51 | 51 |
| 52 // Stores a pointer into the ring buffer in *ptr, and stores the number of | 52 // Stores a pointer into the ring buffer in *ptr, and stores the number of |
| 53 // characters which are allowed to be written in *size. | 53 // characters which are allowed to be written in *size. |
| 54 // If there are no writable bytes available, then *size will contain 0. | 54 // If there are no writable bytes available, then *size will contain 0. |
| 55 virtual void GetWritablePtr(char** ptr, int* size) const OVERRIDE; | 55 virtual void GetWritablePtr(char** ptr, int* size) const OVERRIDE; |
| 56 | 56 |
| 57 // Stores a pointer into the ring buffer in *ptr, and stores the number of | 57 // Stores a pointer into the ring buffer in *ptr, and stores the number of |
| 58 // characters which are allowed to be read in *size. | 58 // characters which are allowed to be read in *size. |
| 59 // If there are no readable bytes available, then *size will contain 0. | 59 // If there are no readable bytes available, then *size will contain 0. |
| 60 virtual void GetReadablePtr(char** ptr, int* size) const OVERRIDE; | 60 virtual void GetReadablePtr(char** ptr, int* size) const OVERRIDE; |
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| 103 int read_idx_; | 103 int read_idx_; |
| 104 int write_idx_; | 104 int write_idx_; |
| 105 | 105 |
| 106 RingBuffer(const RingBuffer&); | 106 RingBuffer(const RingBuffer&); |
| 107 void operator=(const RingBuffer&); | 107 void operator=(const RingBuffer&); |
| 108 }; | 108 }; |
| 109 | 109 |
| 110 } // namespace net | 110 } // namespace net |
| 111 | 111 |
| 112 #endif // NET_TOOLS_FLIP_SERVER_RING_BUFFER_H__ | 112 #endif // NET_TOOLS_FLIP_SERVER_RING_BUFFER_H__ |
| 113 | |
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