/*---------------------------------------------------------------------------*/
static void
handle_dao_timer(struct net_buf *not_used, void *ptr)
{
rpl_instance_t *instance;
#if RPL_CONF_MULTICAST
uip_mcast6_route_t *mcast_route;
uint8_t i;
#endif
instance = (rpl_instance_t *)ptr;
if(!dio_send_ok && uip_ds6_get_link_local(ADDR_PREFERRED) == NULL) {
PRINTF("RPL: Postpone DAO transmission\n");
ctimer_set(NULL, &instance->dao_timer, CLOCK_SECOND, handle_dao_timer, instance);
return;
}
/* Send the DAO to the DAO parent set -- the preferred parent in our case. */
if(instance->current_dag->preferred_parent != NULL) {
PRINTF("RPL: handle_dao_timer - sending DAO\n");
/* Set the route lifetime to the default value. */
dao_output(instance->current_dag->preferred_parent,
instance->default_lifetime);
#if RPL_CONF_MULTICAST
/* Send DAOs for multicast prefixes only if the instance is in MOP 3 */
if(instance->mop == RPL_MOP_STORING_MULTICAST) {
/* Send a DAO for own multicast addresses */
for(i = 0; i < UIP_DS6_MADDR_NB; i++) {
if(uip_ds6_if.maddr_list[i].isused
&& uip_is_addr_mcast_global(&uip_ds6_if.maddr_list[i].ipaddr)) {
dao_output_target(instance->current_dag->preferred_parent,
&uip_ds6_if.maddr_list[i].ipaddr,
RPL_MCAST_LIFETIME);
}
}
/* Iterate over multicast routes and send DAOs */
mcast_route = uip_mcast6_route_list_head();
while(mcast_route != NULL) {
/* Don't send if it's also our own address, done that already */
if(uip_ds6_maddr_lookup(&mcast_route->group) == NULL) {
dao_output_target(instance->current_dag->preferred_parent,
&mcast_route->group, RPL_MCAST_LIFETIME);
}
mcast_route = list_item_next(mcast_route);
}
}
#endif
} else {
PRINTF("RPL: No suitable DAO parent\n");
}
ctimer_stop(&instance->dao_timer);
if(etimer_expired(&instance->dao_lifetime_timer.etimer)) {
set_dao_lifetime_timer(instance);
}
}
static void
handle_dao_timer(void *ptr)
{
rpl_instance_t *instance;
instance = (rpl_instance_t *)ptr;
if(!dio_send_ok && uip_ds6_get_link_local(ADDR_PREFERRED) == NULL) {
PRINTF("RPL: Postpone DAO transmission\n");
ctimer_set(&instance->dao_timer, CLOCK_SECOND, handle_dao_timer, instance);
return;
}
/* Send the DAO to the DAO parent set -- the preferred parent in our case. */
if(instance->current_dag->preferred_parent != NULL) {
PRINTF("RPL: handle_dao_timer - sending DAO\n");
/* Set the route lifetime to the default value. */
dao_output(instance->current_dag->preferred_parent, instance->default_lifetime, NULL);
#if UIP_IPV6_MULTICAST_RPL
if(instance->mop == RPL_MOP_STORING_MULTICAST) {
/* Send a DAO for own multicast addresses */
for(i = 0; i < UIP_DS6_MADDR_NB; i++) {
if(uip_ds6_if.maddr_list[i].isused
&& uip_is_addr_mcast_global(&uip_ds6_if.maddr_list[i].ipaddr)) {
dao_output(instance->current_dag->preferred_parent, RPL_MCAST_LIFETIME,
&uip_ds6_if.maddr_list[i].ipaddr);
}
}
/* Iterate multicast routes and send DAOs */
for(i = 0; i < UIP_DS6_MCAST_ROUTES; i++) {
/* Don't send if it's also our own address, done that already */
if(uip_ds6_mcast_table[i].isused) {
if(uip_ds6_maddr_lookup(&uip_ds6_mcast_table[i].group) == NULL) {
dao_output(instance->current_dag->preferred_parent, RPL_MCAST_LIFETIME,
&uip_ds6_mcast_table[i].group);
}
}
}
}
#endif
} else {
PRINTF("RPL: No suitable DAO parent\n");
}
ctimer_stop(&instance->dao_timer);
}
