gnrc_rpl_p2p_dodag.c
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/**
* Copyright (C) 2016 Cenk Gündoğan <mail@cgundogan.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @{
*
* @file
* @author Cenk Gündoğan <mail@cgundogan.de>
*/
#include <string.h>
#include "net/gnrc/rpl/structs.h"
#include "net/gnrc/rpl/p2p.h"
#include "net/gnrc/rpl/p2p_dodag.h"
#include "net/gnrc/rpl/p2p_structs.h"
#define ENABLE_DEBUG (0)
#include "debug.h"
gnrc_rpl_p2p_ext_t *gnrc_rpl_p2p_ext_new(gnrc_rpl_dodag_t *dodag)
{
for (uint8_t i = 0; i < GNRC_RPL_P2P_EXTS_NUMOF; ++i) {
if (!gnrc_rpl_p2p_exts[i].state) {
gnrc_rpl_p2p_exts[i].state = true;
gnrc_rpl_p2p_exts[i].dodag = dodag;
gnrc_rpl_p2p_exts[i].dro_delay = -1;
gnrc_rpl_p2p_exts[i].lifetime_sec = INT8_MIN;
return &gnrc_rpl_p2p_exts[i];
}
}
/* no space available to allocate a P2P-RPL DODAG extension */
DEBUG("RPL-P2P: Could not a new P2P-RPL DODAG extension\n");
return NULL;
}
void gnrc_rpl_p2p_ext_remove(gnrc_rpl_dodag_t *dodag)
{
for (uint8_t i = 0; i < GNRC_RPL_P2P_EXTS_NUMOF; ++i) {
if ((gnrc_rpl_p2p_exts[i].state) && (gnrc_rpl_p2p_exts[i].dodag == dodag)) {
memset(&gnrc_rpl_p2p_exts[i], 0, sizeof(gnrc_rpl_p2p_ext_t));
return;
}
}
}
gnrc_rpl_p2p_ext_t *gnrc_rpl_p2p_ext_get(gnrc_rpl_dodag_t *dodag)
{
for (uint8_t i = 0; i < GNRC_RPL_P2P_EXTS_NUMOF; ++i) {
if ((gnrc_rpl_p2p_exts[i].state) && (gnrc_rpl_p2p_exts[i].dodag == dodag)) {
return &gnrc_rpl_p2p_exts[i];
}
}
return NULL;
}
/**
* @}
*/