void trickle_timer_over(void)
{
ipv6_addr_t mcast;
ipv6_addr_set_all_nodes_addr(&mcast);
while (1) {
thread_sleep();
/* Handle k=0 like k=infinity (according to RFC6206, section 6.5) */
if ((c < k) || (k == 0)) {
send_DIO(&mcast);
}
}
}
void recv_rpl_dis(void)
{
rpl_dodag_t *my_dodag = rpl_get_my_dodag();
if (my_dodag == NULL) {
return;
}
ipv6_buf = get_rpl_ipv6_buf();
rpl_dis_buf = get_rpl_dis_buf();
int len = DIS_BASE_LEN;
while (len < (ipv6_buf->length - ICMPV6_HDR_LEN)) {
rpl_opt_buf = get_rpl_opt_buf(len);
switch (rpl_opt_buf->type) {
case (RPL_OPT_PAD1): {
len += 1;
break;
}
case (RPL_OPT_PADN): {
len += rpl_opt_buf->length + 2;
break;
}
case (RPL_OPT_SOLICITED_INFO): {
len += RPL_OPT_SOLICITED_INFO_LEN + 2;
/* extract and check */
if (rpl_opt_buf->length != RPL_OPT_SOLICITED_INFO_LEN) {
/* error malformed */
return;
}
rpl_opt_solicited_buf = get_rpl_opt_solicited_buf(len);
if (rpl_opt_solicited_buf->VID_Flags & RPL_DIS_I_MASK) {
if (my_dodag->instance->id != rpl_opt_solicited_buf->rplinstanceid) {
return;
}
}
if (rpl_opt_solicited_buf->VID_Flags & RPL_DIS_D_MASK) {
if (!rpl_equal_id(&my_dodag->dodag_id, &rpl_opt_solicited_buf->dodagid)) {
return;
}
}
if (rpl_opt_solicited_buf->VID_Flags & RPL_DIS_V_MASK) {
if (my_dodag->version != rpl_opt_solicited_buf->version) {
return;
}
}
break;
}
default:
return;
}
}
send_DIO(&ipv6_buf->srcaddr);
}