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108 lines
3.4 KiB
C
108 lines
3.4 KiB
C
/*
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* Copyright (c) 2006, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: rbc.c,v 1.1 2007/02/28 16:38:52 adamdunkels Exp $
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*/
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/**
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* \file
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* A brief description of what this file is.
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#include "net/rime/rbc.h"
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struct rbc_hdr {
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u16_t seqno;
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u16_t ackno;
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};
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PROCESS(rbc_process, "Reliable local broadcast");
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PROCESS_THREAD(rbc_process, ev, data)
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{
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struct rbc_conn *c = (struct rbc_conn *)data;
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u8_t *packet;
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u16_t packetlen;
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PROCESS_BEGIN();
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while(1) {
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PROCESS_WAIT_UNTIL(ev == PROCESS_EVENT_COM &&
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llbc_received(&c->c, &packet, &packetlen));
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printf("rbc: received %p %d\n", packet, packetlen);
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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void
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rbc_setup(struct rbc_conn *c, u16_t id)
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{
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PROCESS_CONTEXT_BEGIN(&rbc_process);
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llbc_setup(&c->c, id);
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PROCESS_CONTEXT_END(&rbc_process);
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}
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/*---------------------------------------------------------------------------*/
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static int
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send(struct rbc_conn *c, struct lcpbuf *buf)
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{
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int r;
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PROCESS_CONTEXT_BEGIN(&rbc_process);
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r = llbc_send(&c->c, buf);
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PROCESS_CONTEXT_END(&rbc_process);
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return r;
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}
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/*---------------------------------------------------------------------------*/
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static int
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all_acked(struct rbc_conn *c)
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{
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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int
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rbc_send(struct rbc_conn *c, struct lcpbuf *buf)
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{
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PT_BEGIN(&c->pt);
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send(c, buf);
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PT_WAIT_UNTIL(&c->pt, all_acked(c));
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PT_END(&c->pt);
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}
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/*---------------------------------------------------------------------------*/
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int
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rbc_received(struct rbc_conn *c, u8_t **data, u16_t *datalen)
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{
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return llbc_received(c, data, datalen);
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}
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/*---------------------------------------------------------------------------*/
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