nes-proj/tests/07-simulation-base/code-slip-radio/wait-dag.c

/*
 * Copyright (c) 2013, CETIC, www.cetic.be.
 * 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.
 *
 */

#include "contiki.h"
#include "contiki-lib.h"
#include "contiki-net.h"
#include "net/routing/routing.h"
#include "net/ipv6/uip.h"
#include <string.h>

#define DEBUG DEBUG_FULL
#include "net/ipv6/uip-debug.h"

#define INTERVAL    5 * CLOCK_SECOND

/*---------------------------------------------------------------------------*/
PROCESS(wait_for_dag, "Wait for DAG process");
AUTOSTART_PROCESSES(&wait_for_dag);
/*---------------------------------------------------------------------------*/
static void
timeout_handler(void)
{
  if(NETSTACK_ROUTING.node_has_joined()) {
    PRINTF("DAG Found\n");
  }
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(wait_for_dag, ev, data)
{
  static struct etimer et;

  PROCESS_BEGIN();
  PRINTF("Wait for DAG process started\n");
  etimer_set(&et, INTERVAL);
  while(1) {
    PROCESS_YIELD();
    if(etimer_expired(&et)) {
      timeout_handler();
      etimer_restart(&et);
    }
  }
  PROCESS_END();
}
/*---------------------------------------------------------------------------*/