113 lines
3.8 KiB
C
113 lines
3.8 KiB
C
/*
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* Copyright (c) 2007, 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: example-collect.c,v 1.14 2010/11/06 14:43:45 adamdunkels Exp $
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*/
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/**
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* \file
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* Example of how the collect primitive works.
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#include "contiki.h"
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#include "lib/random.h"
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#include "net/rime.h"
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#include "net/rime/collect.h"
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#include "dev/leds.h"
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#include "dev/button-sensor.h"
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#include "net/netstack.h"
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#include <stdio.h>
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static struct collect_conn tc;
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/*---------------------------------------------------------------------------*/
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PROCESS(example_collect_process, "Test collect process");
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AUTOSTART_PROCESSES(&example_collect_process);
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/*---------------------------------------------------------------------------*/
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static void
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recv(const rimeaddr_t *originator, uint8_t seqno, uint8_t hops)
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{
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printf("Sink got message from %d.%d, seqno %d, hops %d: len %d '%s'\n",
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originator->u8[0], originator->u8[1],
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seqno, hops,
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packetbuf_datalen(),
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(char *)packetbuf_dataptr());
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}
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/*---------------------------------------------------------------------------*/
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static const struct collect_callbacks callbacks = { recv };
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(example_collect_process, ev, data)
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{
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PROCESS_BEGIN();
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collect_open(&tc, 130, COLLECT_ROUTER, &callbacks);
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if(rimeaddr_node_addr.u8[0] == 1 &&
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rimeaddr_node_addr.u8[1] == 0) {
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printf("I am sink\n");
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collect_set_sink(&tc, 1);
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}
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while(1) {
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static struct etimer et;
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/* Send a packet every 16 seconds; first wait 8 seconds, than a
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random time between 0 and 8 seconds. */
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etimer_set(&et, CLOCK_SECOND * 16 + random_rand() % (CLOCK_SECOND * 16));
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PROCESS_WAIT_EVENT();
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if(etimer_expired(&et)) {
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static rimeaddr_t oldparent;
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const rimeaddr_t *parent;
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printf("Sending\n");
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packetbuf_clear();
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packetbuf_set_datalen(sprintf(packetbuf_dataptr(),
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"%s", "Hello") + 1);
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collect_send(&tc, 10);
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parent = collect_parent(&tc);
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if(!rimeaddr_cmp(parent, &oldparent)) {
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printf("#L %d 0\n", oldparent.u8[0]);
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printf("#L %d 1\n", parent->u8[0]);
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rimeaddr_copy(&oldparent, parent);
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}
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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