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Merge pull request #1053 from simonduq/rpl-probing

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RPL probing
This commit is contained in:
Nicolas Tsiftes 2015-05-10 17:22:10 +02:00
commit 05d2d843da
8 changed files with 467 additions and 4 deletions
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38
core/net/rpl/rpl-dag.c
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@ -75,12 +75,37 @@ static rpl_of_t * const objective_functions[] = {&RPL_OF};
/*---------------------------------------------------------------------------*/
/* Per-parent RPL information */
NBR_TABLE(rpl_parent_t, rpl_parents);
NBR_TABLE_GLOBAL(rpl_parent_t, rpl_parents);
/*---------------------------------------------------------------------------*/
/* Allocate instance table. */
rpl_instance_t instance_table[RPL_MAX_INSTANCES];
rpl_instance_t *default_instance;
/*---------------------------------------------------------------------------*/
void
rpl_print_neighbor_list()
{
if(default_instance != NULL && default_instance->current_dag != NULL &&
default_instance->of != NULL && default_instance->of->calculate_rank != NULL) {
int curr_dio_interval = default_instance->dio_intcurrent;
int curr_rank = default_instance->current_dag->rank;
rpl_parent_t *p = nbr_table_head(rpl_parents);
clock_time_t now = clock_time();
printf("RPL: rank %u dioint %u, %u nbr(s)\n", curr_rank, curr_dio_interval, uip_ds6_nbr_num());
while(p != NULL) {
uip_ds6_nbr_t *nbr = rpl_get_nbr(p);
printf("RPL: nbr %3u %5u, %5u => %5u %c (last tx %u min ago)\n",
nbr_table_get_lladdr(rpl_parents, p)->u8[7],
p->rank, nbr ? nbr->link_metric : 0,
default_instance->of->calculate_rank(p, 0),
p == default_instance->current_dag->preferred_parent ? '*' : ' ',
(now - p->last_tx_time) / (60 * CLOCK_SECOND));
p = nbr_table_next(rpl_parents, p);
}
printf("RPL: end of list\n");
}
}
/*---------------------------------------------------------------------------*/
uip_ds6_nbr_t *
rpl_get_nbr(rpl_parent_t *parent)
@ -484,6 +509,9 @@ rpl_alloc_instance(uint8_t instance_id)
instance->instance_id = instance_id;
instance->def_route = NULL;
instance->used = 1;
#if RPL_WITH_PROBING
rpl_schedule_probing(instance);
#endif /* RPL_WITH_PROBING */
return instance;
}
}
@ -549,6 +577,9 @@ rpl_free_instance(rpl_instance_t *instance)
rpl_set_default_route(instance, NULL);
#if RPL_WITH_PROBING
ctimer_stop(&instance->probing_timer);
#endif /* RPL_WITH_PROBING */
ctimer_stop(&instance->dio_timer);
ctimer_stop(&instance->dao_timer);
ctimer_stop(&instance->dao_lifetime_timer);
@ -744,6 +775,9 @@ rpl_select_dag(rpl_instance_t *instance, rpl_parent_t *p)
rpl_schedule_dao(instance);
}
rpl_reset_dio_timer(instance);
#if DEBUG
rpl_print_neighbor_list();
#endif
} else if(best_dag->rank != old_rank) {
PRINTF("RPL: Preferred parent update, rank changed from %u to %u\n",
(unsigned)old_rank, best_dag->rank);
@ -1344,7 +1378,7 @@ rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
PRINTF(", rank %u, min_rank %u, ",
instance->current_dag->rank, instance->current_dag->min_rank);
PRINTF("parent rank %u, parent etx %u, link metric %u, instance etx %u\n",
p->rank, -1/*p->mc.obj.etx*/, p->link_metric, instance->mc.obj.etx);
p->rank, -1/*p->mc.obj.etx*/, rpl_get_nbr(p)->link_metric, instance->mc.obj.etx);
/* We have allocated a candidate parent; process the DIO further. */