nes-proj/core/net/rime/netflood.h

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/**
* \addtogroup rime
* @{
*/
/**
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* \defgroup rimenetflood Best-effort network flooding
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* @{
*
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* The netflood module does best-effort flooding.
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*
* \section channels Channels
*
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* The netflood module uses 1 channel.
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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: netflood.h,v 1.2 2009/01/15 22:15:51 adamdunkels Exp $
*/
/**
* \file
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* Header file for the best-effort network flooding (netflood)
* \author
* Adam Dunkels <adam@sics.se>
*/
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#ifndef __NETFLOOD_H__
#define __NETFLOOD_H__
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#include "net/rime/ctimer.h"
#include "net/rime/queuebuf.h"
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#include "net/rime/ipolite.h"
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struct netflood_conn;
#define NETFLOOD_ATTRIBUTES { RIMEBUF_ADDR_ESENDER, RIMEBUF_ADDRSIZE }, \
{ RIMEBUF_ATTR_HOPS, RIMEBUF_ATTR_BIT * 5 }, \
{ RIMEBUF_ATTR_EPACKET_ID, RIMEBUF_ATTR_BIT * 4 }, \
IPOLITE_ATTRIBUTES
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struct netflood_callbacks {
int (* recv)(struct netflood_conn *c, rimeaddr_t *from,
rimeaddr_t *originator, uint8_t seqno, uint8_t hops);
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void (* sent)(struct netflood_conn *c);
void (* dropped)(struct netflood_conn *c);
};
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struct netflood_conn {
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struct ipolite_conn c;
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const struct netflood_callbacks *u;
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clock_time_t queue_time;
rimeaddr_t last_originator;
uint8_t last_originator_seqno;
};
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void netflood_open(struct netflood_conn *c, clock_time_t queue_time,
uint16_t channel, const struct netflood_callbacks *u);
void netflood_close(struct netflood_conn *c);
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int netflood_send(struct netflood_conn *c, uint8_t seqno);
#endif /* __SIBC_H__ */
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/** @} */
/** @} */