102 lines
3.4 KiB
C
102 lines
3.4 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
*/
|
|
/**
|
|
* \file
|
|
* border-router
|
|
* \author
|
|
* Niclas Finne <nfi@sics.se>
|
|
* Joakim Eriksson <joakime@sics.se>
|
|
* Nicolas Tsiftes <nvt@sics.se>
|
|
*/
|
|
|
|
#include "contiki.h"
|
|
#include "rpl.h"
|
|
#include "dev/button-sensor.h"
|
|
#include "dev/slip.h"
|
|
#include "border-router-common.h"
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
/* Log configuration */
|
|
#include "sys/log.h"
|
|
#define LOG_MODULE "BR"
|
|
#define LOG_LEVEL LOG_LEVEL_INFO
|
|
|
|
void request_prefix(void);
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS(border_router_process, "Border router process");
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(border_router_process, ev, data)
|
|
{
|
|
static struct etimer et;
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
/* While waiting for the prefix to be sent through the SLIP connection, the future
|
|
* border router can join an existing DAG as a parent or child, or acquire a default
|
|
* router that will later take precedence over the SLIP fallback interface.
|
|
* Prevent that by turning the radio off until we are initialized as a DAG root.
|
|
*/
|
|
prefix_set = 0;
|
|
NETSTACK_MAC.off();
|
|
|
|
PROCESS_PAUSE();
|
|
|
|
SENSORS_ACTIVATE(button_sensor);
|
|
|
|
LOG_INFO("RPL-Border router started\n");
|
|
|
|
/* Request prefix until it has been received */
|
|
while(!prefix_set) {
|
|
etimer_set(&et, CLOCK_SECOND);
|
|
request_prefix();
|
|
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
|
|
LOG_INFO("Waiting for prefix\n");
|
|
}
|
|
|
|
NETSTACK_MAC.on();
|
|
|
|
print_local_addresses();
|
|
|
|
while(1) {
|
|
PROCESS_YIELD();
|
|
if(ev == sensors_event && data == &button_sensor) {
|
|
LOG_INFO("Initiating global repair\n");
|
|
#if UIP_CONF_IPV6_RPL_LITE
|
|
rpl_global_repair();
|
|
#else
|
|
rpl_repair_root(RPL_DEFAULT_INSTANCE);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|