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Minor improvements to RPL probing

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This commit is contained in:
Simon Duquennoy 2015-09-17 22:42:59 +02:00
parent a7ce312ee3
commit 66ec94fd74
1 changed files with 7 additions and 5 deletions
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12
core/net/rpl/rpl-timers.c
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@ -414,13 +414,15 @@ handle_probing_timer(void *ptr)
{
rpl_instance_t *instance = (rpl_instance_t *)ptr;
rpl_parent_t *probing_target = RPL_PROBING_SELECT_FUNC(instance->current_dag);
uip_ipaddr_t *target_ipaddr = rpl_get_parent_ipaddr(probing_target);
/* Perform probing */
if(probing_target != NULL && rpl_get_parent_ipaddr(probing_target) != NULL) {
PRINTF("RPL: probing %3u\n",
nbr_table_get_lladdr(rpl_parents, probing_target)->u8[7]);
/* Send probe, e.g. unicast DIO or DIS */
RPL_PROBING_SEND_FUNC(instance, rpl_get_parent_ipaddr(probing_target));
if(target_ipaddr != NULL) {
PRINTF("RPL: probing %u ((last tx %u min ago))\n",
nbr_table_get_lladdr(rpl_parents, probing_target)->u8[7],
(unsigned)((clock_time() - probing_target->last_tx_time) / (60 * CLOCK_SECOND)));
/* Send probe (unicast DIO or DIS) */
RPL_PROBING_SEND_FUNC(instance, target_ipaddr);
}
/* Schedule next probing */