nes-proj/examples/ipv6/rpl-tsch-sixtop/node-sixtop.c

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/*
* Copyright (c) 2015, SICS Swedish ICT.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/**
* \file
* To test 6P transaction on a RPL+TSCH network
*
* \author
* Simon Duquennoy <simonduq@sics.se>
* Shalu R <shalur@cdac.in>
* Lijo Thomas <lijo@cdac.in>
*/
#include "contiki.h"
#include "node-id.h"
#include "net/rpl/rpl.h"
#include "net/ipv6/uip-ds6-route.h"
#include "net/mac/tsch/tsch.h"
#include "net/mac/tsch/tsch-schedule.h"
#include "net/mac/tsch/sixtop/sixtop.h"
#include "net/rpl/rpl-private.h"
2017-09-22 13:06:44 +00:00
#include "net/ipv6/uip-debug.h"
#include "sf-simple.h"
/*---------------------------------------------------------------------------*/
PROCESS(node_process, "RPL Node");
AUTOSTART_PROCESSES(&node_process);
/*---------------------------------------------------------------------------*/
static void
net_init(uip_ipaddr_t *br_prefix)
{
uip_ipaddr_t global_ipaddr;
if(br_prefix) { /* We are RPL root. Will be set automatically
as TSCH pan coordinator via the tsch-rpl module */
memcpy(&global_ipaddr, br_prefix, 16);
uip_ds6_set_addr_iid(&global_ipaddr, &uip_lladdr);
uip_ds6_addr_add(&global_ipaddr, 0, ADDR_AUTOCONF);
rpl_set_root(RPL_DEFAULT_INSTANCE, &global_ipaddr);
rpl_set_prefix(rpl_get_any_dag(), br_prefix, 64);
rpl_repair_root(RPL_DEFAULT_INSTANCE);
}
NETSTACK_MAC.on();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(node_process, ev, data)
{
static struct etimer et;
struct tsch_neighbor *n;
PROCESS_BEGIN();
/* 3 possible roles:
* - role_6ln: simple node, will join any network, secured or not
* - role_6dr: DAG root, will advertise (unsecured) beacons
* - role_6dr_sec: DAG root, will advertise secured beacons
* */
static int is_coordinator = 0, added_num_of_links = 0;
static enum { role_6ln, role_6dr, role_6dr_sec } node_role;
node_role = role_6ln;
/* Set node with MAC address c1:0c:00:00:00:00:01 as coordinator,
* convenient in cooja for regression tests using z1 nodes
* */
#ifdef CONTIKI_TARGET_Z1
extern unsigned char node_mac[8];
unsigned char coordinator_mac[8] = { 0xc1, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 };
if(memcmp(node_mac, coordinator_mac, 8) == 0) {
if(LLSEC802154_ENABLED) {
node_role = role_6dr_sec;
} else {
node_role = role_6dr;
}
} else {
node_role = role_6ln;
}
#endif
tsch_set_pan_secured(LLSEC802154_ENABLED && (node_role == role_6dr_sec));
is_coordinator = node_role > role_6ln;
sixtop_add_sf(&sf_simple_driver);
if(is_coordinator) {
uip_ipaddr_t prefix;
uip_ip6addr(&prefix, UIP_DS6_DEFAULT_PREFIX, 0, 0, 0, 0, 0, 0, 0);
net_init(&prefix);
} else {
net_init(NULL);
}
etimer_set(&et, CLOCK_SECOND * 30);
while(1) {
PROCESS_YIELD_UNTIL(etimer_expired(&et));
etimer_reset(&et);
/* Get time-source neighbor */
n = tsch_queue_get_time_source();
if(node_id != 1) {
clock_delay(1000);
if((added_num_of_links == 1) || (added_num_of_links == 3)) {
printf("App : Add a link\n");
sf_simple_add_links(&n->addr, 1);
} else if(added_num_of_links == 5) {
printf("App : Delete a link\n");
sf_simple_remove_links(&n->addr);
}
added_num_of_links++;
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/