71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
/**
|
|
* @file StreamBuffer.h
|
|
* @author Ambroz Bizjak <ambrop7@gmail.com>
|
|
*
|
|
* @section LICENSE
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the author nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef BADVPN_STREAMBUFFER_H
|
|
#define BADVPN_STREAMBUFFER_H
|
|
|
|
#include <misc/debug.h>
|
|
#include <base/DebugObject.h>
|
|
#include <flow/StreamRecvInterface.h>
|
|
#include <flow/StreamPassInterface.h>
|
|
|
|
/**
|
|
* Buffer object which reads data from a \link StreamRecvInterface and writes
|
|
* it to a \link StreamPassInterface.
|
|
*/
|
|
typedef struct {
|
|
int buf_size;
|
|
StreamRecvInterface *input;
|
|
StreamPassInterface *output;
|
|
uint8_t *buf;
|
|
int buf_start;
|
|
int buf_used;
|
|
DebugObject d_obj;
|
|
} StreamBuffer;
|
|
|
|
/**
|
|
* Initializes the buffer object.
|
|
*
|
|
* @param o object to initialize
|
|
* @param buf_size size of the buffer. Must be >0.
|
|
* @param input input interface
|
|
* @param outout output interface
|
|
* @return 1 on success, 0 on failure
|
|
*/
|
|
int StreamBuffer_Init (StreamBuffer *o, int buf_size, StreamRecvInterface *input, StreamPassInterface *output) WARN_UNUSED;
|
|
|
|
/**
|
|
* Frees the buffer object.
|
|
*
|
|
* @param o object to free
|
|
*/
|
|
void StreamBuffer_Free (StreamBuffer *o);
|
|
|
|
#endif
|