119 lines
3.8 KiB
C
119 lines
3.8 KiB
C
/**
|
|
* \addtogroup rimesibc
|
|
* @{
|
|
*/
|
|
|
|
/*
|
|
* 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: sibc.c,v 1.7 2008/02/24 22:05:27 adamdunkels Exp $
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Implementation of the Rime module Stubborn Identified BroadCast (sibc)
|
|
* \author
|
|
* Adam Dunkels <adam@sics.se>
|
|
*/
|
|
|
|
#include "net/rime/sibc.h"
|
|
#include "net/rime.h"
|
|
#include <string.h>
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
recv_from_ibc(struct ibc_conn *ibc, rimeaddr_t *from)
|
|
{
|
|
register struct sibc_conn *c = (struct sibc_conn *)ibc;
|
|
/* DEBUGF(3, "sibc: recv_from_ibc from %d\n", from_id);*/
|
|
if(c->u->recv != NULL) {
|
|
c->u->recv(c, from);
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static const struct ibc_callbacks sibc = {recv_from_ibc};
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
sibc_open(struct sibc_conn *c, uint16_t channel,
|
|
const struct sibc_callbacks *u)
|
|
{
|
|
ibc_open(&c->c, channel, &sibc);
|
|
c->u = u;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
sibc_close(struct sibc_conn *c)
|
|
{
|
|
ibc_close(&c->c);
|
|
ctimer_stop(&c->t);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
send(void *ptr)
|
|
{
|
|
struct sibc_conn *c = ptr;
|
|
|
|
/* DEBUGF(3, "sibc: send()\n");*/
|
|
queuebuf_to_rimebuf(c->buf);
|
|
ibc_send(&c->c);
|
|
ctimer_reset(&c->t);
|
|
if(c->u->sent != NULL) {
|
|
c->u->sent(c);
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
sibc_set_timer(struct sibc_conn *c, clock_time_t t)
|
|
{
|
|
ctimer_set(&c->t, t, send, c);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
sibc_send_stubborn(struct sibc_conn *c, clock_time_t t)
|
|
{
|
|
if(c->buf != NULL) {
|
|
queuebuf_free(c->buf);
|
|
}
|
|
c->buf = queuebuf_new_from_rimebuf();
|
|
if(c->buf == NULL) {
|
|
return 0;
|
|
}
|
|
ctimer_set(&c->t, t, send, c);
|
|
return 1;
|
|
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
sibc_cancel(struct sibc_conn *c)
|
|
{
|
|
ctimer_stop(&c->t);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/** @} */
|