nes-proj/core/net/queuebuf.h

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/**
* \addtogroup rime
* @{
*/
/**
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* \defgroup rimequeuebuf Rime queue buffer management
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* @{
*
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* The queuebuf module handles buffers that are queued.
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*
*/
/*
* Copyright (c) 2006, Swedish Institute of Computer Science.
* All rights reserved.
*
* 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 Institute 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 INSTITUTE 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 INSTITUTE 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.
*
* This file is part of the Contiki operating system.
*
* $Id: queuebuf.h,v 1.4 2010/11/25 08:43:59 adamdunkels Exp $
*/
/**
* \file
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* Header file for the Rime queue buffer management
* \author
* Adam Dunkels <adam@sics.se>
*/
#ifndef __QUEUEBUF_H__
#define __QUEUEBUF_H__
#include "net/packetbuf.h"
#ifdef QUEUEBUF_CONF_NUM
#define QUEUEBUF_NUM QUEUEBUF_CONF_NUM
#else
#define QUEUEBUF_NUM 8
#endif
#ifdef QUEUEBUF_CONF_DEBUG
#define QUEUEBUF_DEBUG QUEUEBUF_CONF_DEBUG
#else /* QUEUEBUF_CONF_DEBUG */
#define QUEUEBUF_DEBUG 0
#endif /* QUEUEBUF_CONF_DEBUG */
struct queuebuf;
void queuebuf_init(void);
#if QUEUEBUF_DEBUG
struct queuebuf *queuebuf_new_from_packetbuf_debug(const char *file, int line);
#define queuebuf_new_from_packetbuf() queuebuf_new_from_packetbuf_debug(__FILE__, __LINE__)
#else /* QUEUEBUF_DEBUG */
struct queuebuf *queuebuf_new_from_packetbuf(void);
#endif /* QUEUEBUF_DEBUG */
void queuebuf_to_packetbuf(struct queuebuf *b);
void queuebuf_free(struct queuebuf *b);
void *queuebuf_dataptr(struct queuebuf *b);
int queuebuf_datalen(struct queuebuf *b);
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rimeaddr_t *queuebuf_addr(struct queuebuf *b, uint8_t type);
packetbuf_attr_t queuebuf_attr(struct queuebuf *b, uint8_t type);
void queuebuf_debug_print(void);
#endif /* __QUEUEBUF_H__ */
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/** @} */
/** @} */