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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_SOCKET_SOCKET_H_ | 5 #ifndef NET_SOCKET_SOCKET_H_ |
| 6 #define NET_SOCKET_SOCKET_H_ | 6 #define NET_SOCKET_SOCKET_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "net/base/completion_callback.h" | 9 #include "net/base/completion_callback.h" |
| 10 #include "net/base/net_export.h" | 10 #include "net/base/net_export.h" |
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| 23 // ERR_SOCKET_NOT_CONNECTED should be returned if the socket is not currently | 23 // ERR_SOCKET_NOT_CONNECTED should be returned if the socket is not currently |
| 24 // connected. Zero is returned once to indicate end-of-file; the return value | 24 // connected. Zero is returned once to indicate end-of-file; the return value |
| 25 // of subsequent calls is undefined, and may be OS dependent. ERR_IO_PENDING | 25 // of subsequent calls is undefined, and may be OS dependent. ERR_IO_PENDING |
| 26 // is returned if the operation could not be completed synchronously, in which | 26 // is returned if the operation could not be completed synchronously, in which |
| 27 // case the result will be passed to the callback when available. If the | 27 // case the result will be passed to the callback when available. If the |
| 28 // operation is not completed immediately, the socket acquires a reference to | 28 // operation is not completed immediately, the socket acquires a reference to |
| 29 // the provided buffer until the callback is invoked or the socket is | 29 // the provided buffer until the callback is invoked or the socket is |
| 30 // closed. If the socket is Disconnected before the read completes, the | 30 // closed. If the socket is Disconnected before the read completes, the |
| 31 // callback will not be invoked. | 31 // callback will not be invoked. |
| 32 virtual int Read(IOBuffer* buf, int buf_len, | 32 virtual int Read(IOBuffer* buf, int buf_len, |
| 33 OldCompletionCallback* callback) = 0; | |
| 34 virtual int Read(IOBuffer* buf, int buf_len, | |
| 35 const CompletionCallback& callback) = 0; | 33 const CompletionCallback& callback) = 0; |
| 36 | 34 |
| 37 // Writes data, up to |buf_len| bytes, to the socket. Note: data may be | 35 // Writes data, up to |buf_len| bytes, to the socket. Note: data may be |
| 38 // written partially. The number of bytes written is returned, or an error | 36 // written partially. The number of bytes written is returned, or an error |
| 39 // is returned upon failure. ERR_SOCKET_NOT_CONNECTED should be returned if | 37 // is returned upon failure. ERR_SOCKET_NOT_CONNECTED should be returned if |
| 40 // the socket is not currently connected. The return value when the | 38 // the socket is not currently connected. The return value when the |
| 41 // connection is closed is undefined, and may be OS dependent. ERR_IO_PENDING | 39 // connection is closed is undefined, and may be OS dependent. ERR_IO_PENDING |
| 42 // is returned if the operation could not be completed synchronously, in which | 40 // is returned if the operation could not be completed synchronously, in which |
| 43 // case the result will be passed to the callback when available. If the | 41 // case the result will be passed to the callback when available. If the |
| 44 // operation is not completed immediately, the socket acquires a reference to | 42 // operation is not completed immediately, the socket acquires a reference to |
| 45 // the provided buffer until the callback is invoked or the socket is | 43 // the provided buffer until the callback is invoked or the socket is |
| 46 // closed. Implementations of this method should not modify the contents | 44 // closed. Implementations of this method should not modify the contents |
| 47 // of the actual buffer that is written to the socket. If the socket is | 45 // of the actual buffer that is written to the socket. If the socket is |
| 48 // Disconnected before the write completes, the callback will not be invoked. | 46 // Disconnected before the write completes, the callback will not be invoked. |
| 49 virtual int Write(IOBuffer* buf, int buf_len, | 47 virtual int Write(IOBuffer* buf, int buf_len, |
| 50 OldCompletionCallback* callback) = 0; | 48 const CompletionCallback& callback) = 0; |
| 51 | 49 |
| 52 // Set the receive buffer size (in bytes) for the socket. | 50 // Set the receive buffer size (in bytes) for the socket. |
| 53 // Note: changing this value can affect the TCP window size on some platforms. | 51 // Note: changing this value can affect the TCP window size on some platforms. |
| 54 // Returns true on success, or false on failure. | 52 // Returns true on success, or false on failure. |
| 55 virtual bool SetReceiveBufferSize(int32 size) = 0; | 53 virtual bool SetReceiveBufferSize(int32 size) = 0; |
| 56 | 54 |
| 57 // Set the send buffer size (in bytes) for the socket. | 55 // Set the send buffer size (in bytes) for the socket. |
| 58 // Note: changing this value can affect the TCP window size on some platforms. | 56 // Note: changing this value can affect the TCP window size on some platforms. |
| 59 // Returns true on success, or false on failure. | 57 // Returns true on success, or false on failure. |
| 60 virtual bool SetSendBufferSize(int32 size) = 0; | 58 virtual bool SetSendBufferSize(int32 size) = 0; |
| 61 }; | 59 }; |
| 62 | 60 |
| 63 } // namespace net | 61 } // namespace net |
| 64 | 62 |
| 65 #endif // NET_SOCKET_SOCKET_H_ | 63 #endif // NET_SOCKET_SOCKET_H_ |
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