osd-contiki/core/net/rime/trickle.h

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/**
* \addtogroup rime
* @{
*/
/**
* \defgroup trickle Reliable single-source multi-hop flooding
* @{
*
* The trickle module sends a single packet to all nodes on the network.
*
* \section channels Channels
*
* The trickle module uses 1 channel.
*
*/
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/*
* Copyright (c) 2007, 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: trickle.h,v 1.12 2010/06/14 07:34:37 adamdunkels Exp $
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*/
/**
* \file
* Header file for Trickle (reliable single source flooding) for Rime
* \author
* Adam Dunkels <adam@sics.se>
*/
#ifndef __TRICKLE_H__
#define __TRICKLE_H__
#include "sys/ctimer.h"
#include "net/rime/broadcast.h"
#include "net/rime/queuebuf.h"
#define TRICKLE_ATTRIBUTES { PACKETBUF_ATTR_EPACKET_ID, PACKETBUF_ATTR_BIT * 8 },\
BROADCAST_ATTRIBUTES
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struct trickle_conn;
struct trickle_callbacks {
void (* recv)(struct trickle_conn *c);
};
struct trickle_conn {
struct broadcast_conn c;
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const struct trickle_callbacks *cb;
struct ctimer t, interval_timer, first_transmission_timer;
struct pt pt;
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struct queuebuf *q;
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clock_time_t interval;
uint8_t seqno;
uint8_t interval_scaling;
uint8_t duplicates;
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};
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void trickle_open(struct trickle_conn *c, clock_time_t interval,
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uint16_t channel, const struct trickle_callbacks *cb);
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void trickle_close(struct trickle_conn *c);
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void trickle_send(struct trickle_conn *c);
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#endif /* __TRICKLE_H__ */
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/** @} */
/** @} */