C++ (Cpp) TSCH_CALLBACK_NEW_TIME_SOURCEの例

コード例 #1

ファイル: tsch-queue.c プロジェクト: Avinash95/contiki

/* Update TSCH time source */
int
tsch_queue_update_time_source(const linkaddr_t *new_addr)
{
  if(!tsch_is_locked()) {
    if(!tsch_is_coordinator) {
      struct tsch_neighbor *old_time_src = tsch_queue_get_time_source();
      struct tsch_neighbor *new_time_src = NULL;

      if(new_addr != NULL) {
        /* Get/add neighbor, return 0 in case of failure */
        new_time_src = tsch_queue_add_nbr(new_addr);
        if(new_time_src == NULL) {
          return 0;
        }
      }

      if(new_time_src != old_time_src) {
        PRINTF("TSCH: update time source: %u -> %u\n",
               TSCH_LOG_ID_FROM_LINKADDR(old_time_src ? &old_time_src->addr : NULL),
               TSCH_LOG_ID_FROM_LINKADDR(new_time_src ? &new_time_src->addr : NULL));

        /* Update time source */
        if(new_time_src != NULL) {
          new_time_src->is_time_source = 1;
          /* (Re)set keep-alive timeout */
          tsch_set_ka_timeout(TSCH_KEEPALIVE_TIMEOUT);
          /* Start sending keepalives */
          tsch_schedule_keepalive();
        } else {
          /* Stop sending keepalives */
          tsch_set_ka_timeout(0);
        }

        if(old_time_src != NULL) {
          old_time_src->is_time_source = 0;
        }

#ifdef TSCH_CALLBACK_NEW_TIME_SOURCE
        TSCH_CALLBACK_NEW_TIME_SOURCE(old_time_src, new_time_src);
#endif
      }

      return 1;
    }
  }
  return 0;
}

コード例 #2

ファイル: tsch-queue.c プロジェクト: 1847123212/ampm_contiki_wisun

/* Update TSCH time source */
int
tsch_queue_update_time_source(const linkaddr_t *new_addr)
{
  if(!tsch_is_locked()) {
    if(!tsch_is_coordinator) {
      struct tsch_neighbor *old_time_src = tsch_queue_get_time_source();
      struct tsch_neighbor *new_time_src = NULL;

      if(new_addr != NULL) {
        /* Get/add neighbor, return 0 in case of failure */
        new_time_src = tsch_queue_add_nbr(new_addr);
        if(new_time_src == NULL) {
          return 0;
        }
      }

      if(new_time_src != old_time_src) {
        PRINTF("TSCH: update time source: %u -> %u\n",
               TSCH_LOG_ID_FROM_LINKADDR(old_time_src ? &old_time_src->addr : NULL),
               TSCH_LOG_ID_FROM_LINKADDR(new_time_src ? &new_time_src->addr : NULL));

        /* Update time source */
        if(new_time_src != NULL) {
          new_time_src->is_time_source = 1;
        }

        if(old_time_src != NULL) {
          old_time_src->is_time_source = 0;
        }

#ifdef TSCH_CALLBACK_NEW_TIME_SOURCE
        TSCH_CALLBACK_NEW_TIME_SOURCE(old_time_src, new_time_src);
#endif
      }

      return 1;
    }
  }
  return 0;
}