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Initial import of the experimental Rime code into the SourceForge CVS.

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This commit is contained in:
adamdunkels 2007-02-28 16:38:51 +00:00
parent cba13ef56c
commit 2d7aab3ffe
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core/net/rime/sabc.c Normal file
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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: sabc.c,v 1.1 2007/02/28 16:38:52 adamdunkels Exp $
*/
/**
* \file
* Implementation of the Rime module Stubborn Anonymous
* BroadCast (sabc)
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "net/rime/sabc.h"
#include "net/rime.h"
#include <string.h>
/*---------------------------------------------------------------------------*/
static void
recv_from_abc(struct abc_conn *abc)
{
register struct sabc_conn *c = (struct sabc_conn *)abc;
/* DEBUGF(3, "sabc: recv_from_abc from %d\n", from_id);*/
if(c->u->recv != NULL) {
c->u->recv(c);
}
}
/*---------------------------------------------------------------------------*/
static const struct abc_ulayer sabc = {recv_from_abc};
/*---------------------------------------------------------------------------*/
void
sabc_setup(struct sabc_conn *c, u16_t channel,
const struct sabc_ulayer *u)
{
abc_setup(&c->c, channel, &sabc);
c->u = u;
}
/*---------------------------------------------------------------------------*/
static void
send(void *ptr)
{
struct sabc_conn *c = ptr;
/* DEBUGF(3, "sabc: send()\n");*/
queuebuf_to_rimebuf(c->buf);
abc_send(&c->c);
ctimer_reset(&c->t);
if(c->u->sent != NULL) {
c->u->sent(c);
}
}
/*---------------------------------------------------------------------------*/
void
sabc_set_timer(struct sabc_conn *c, clock_time_t t)
{
ctimer_set(&c->t, t, send, c);
}
/*---------------------------------------------------------------------------*/
int
sabc_send_stubborn(struct sabc_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
sabc_cancel(struct sabc_conn *c)
{
ctimer_stop(&c->t);
}
/*---------------------------------------------------------------------------*/