108 lines
3.4 KiB
C
108 lines
3.4 KiB
C
/*
|
|
* 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: rbc.c,v 1.1 2007/02/28 16:38:52 adamdunkels Exp $
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* A brief description of what this file is.
|
|
* \author
|
|
* Adam Dunkels <adam@sics.se>
|
|
*/
|
|
|
|
#include "net/rime/rbc.h"
|
|
|
|
struct rbc_hdr {
|
|
u16_t seqno;
|
|
u16_t ackno;
|
|
};
|
|
|
|
PROCESS(rbc_process, "Reliable local broadcast");
|
|
PROCESS_THREAD(rbc_process, ev, data)
|
|
{
|
|
struct rbc_conn *c = (struct rbc_conn *)data;
|
|
u8_t *packet;
|
|
u16_t packetlen;
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
while(1) {
|
|
PROCESS_WAIT_UNTIL(ev == PROCESS_EVENT_COM &&
|
|
llbc_received(&c->c, &packet, &packetlen));
|
|
printf("rbc: received %p %d\n", packet, packetlen);
|
|
}
|
|
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
rbc_setup(struct rbc_conn *c, u16_t id)
|
|
{
|
|
PROCESS_CONTEXT_BEGIN(&rbc_process);
|
|
llbc_setup(&c->c, id);
|
|
PROCESS_CONTEXT_END(&rbc_process);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
send(struct rbc_conn *c, struct lcpbuf *buf)
|
|
{
|
|
int r;
|
|
PROCESS_CONTEXT_BEGIN(&rbc_process);
|
|
r = llbc_send(&c->c, buf);
|
|
PROCESS_CONTEXT_END(&rbc_process);
|
|
return r;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
all_acked(struct rbc_conn *c)
|
|
{
|
|
return 0;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
rbc_send(struct rbc_conn *c, struct lcpbuf *buf)
|
|
{
|
|
PT_BEGIN(&c->pt);
|
|
|
|
send(c, buf);
|
|
|
|
PT_WAIT_UNTIL(&c->pt, all_acked(c));
|
|
|
|
PT_END(&c->pt);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
rbc_received(struct rbc_conn *c, u8_t **data, u16_t *datalen)
|
|
{
|
|
return llbc_received(c, data, datalen);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|