/*------------------------------------------------------------------------------
*
* Copyright (c) 2011, EURid. All rights reserved.
* The YADIFA TM software product is provided under the BSD 3-clause license:
* 
* Redistribution and use in source and binary forms, with or without 
* modification, are permitted provided that the following conditions
* are met:
*
*        * Redistributions of source code must retain the above copyright 
*          notice, this list of conditions and the following disclaimer.
*        * 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.
*        * Neither the name of EURid 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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*
*------------------------------------------------------------------------------
*
*/
/** @defgroup streaming Streams
 *  @ingroup dnscore
 *  @brief
 *
 * @{
 */

#ifndef _IO_STREAM_H
#define	_IO_STREAM_H

#include <dnscore/input_stream.h>
#include <dnscore/output_stream.h>

#ifdef	__cplusplus
extern "C"
{
#endif

typedef struct io_stream io_stream;

struct io_stream
{
    input_stream in;
    output_stream out;
};

static inline void io_stream_link(io_stream *ios, input_stream *is, output_stream *os)
{
    ios->in.data = is->data;
    ios->in.vtbl = is->vtbl;
    
    ios->out.data = os->data;
    ios->out.vtbl = os->vtbl;
}

static inline ya_result io_stream_read(io_stream *ios, u8 *buffer, u32 len)
{
    return ios->in.vtbl->read(&ios->in, buffer, len);
}

static inline ya_result io_stream_skip(io_stream *ios, u32 len)
{
    return ios->in.vtbl->skip(&ios->in, len);
}

static inline ya_result io_stream_write(io_stream *ios, u8 *buffer, u32 len)
{
    return ios->out.vtbl->write(&ios->out, buffer, len);
}

static inline ya_result io_stream_flush(io_stream *ios)
{
    return ios->out.vtbl->flush(&ios->out);
}

static inline void io_stream_close(io_stream *ios)
{
    ios->in.vtbl->close(&ios->in);
    ios->out.vtbl->close(&ios->out);
}

#ifdef	__cplusplus
}
#endif

#endif	/* _IO_STREAM_H */

/** @} */
