mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-11-18 12:05:11 +00:00
136 lines
4.4 KiB
C
136 lines
4.4 KiB
C
/*
|
|
* Copyright (c) 2012, Thingsquare, www.thingsquare.com.
|
|
* 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.
|
|
*/
|
|
|
|
|
|
#include "contiki.h"
|
|
#include "lib/random.h"
|
|
#include "sys/ctimer.h"
|
|
#include "sys/etimer.h"
|
|
#include "net/ip/uip.h"
|
|
#include "net/ipv6/uip-ds6.h"
|
|
#include "net/ip/uip-debug.h"
|
|
|
|
#include "simple-udp.h"
|
|
|
|
#include "net/rpl/rpl.h"
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#define UDP_PORT 1234
|
|
#define SERVICE_ID 190
|
|
|
|
#define SEND_INTERVAL (10 * CLOCK_SECOND)
|
|
#define SEND_TIME (random_rand() % (SEND_INTERVAL))
|
|
|
|
static struct simple_udp_connection unicast_connection;
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS(unicast_receiver_process, "Unicast receiver example process");
|
|
AUTOSTART_PROCESSES(&unicast_receiver_process);
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
receiver(struct simple_udp_connection *c,
|
|
const uip_ipaddr_t *sender_addr,
|
|
uint16_t sender_port,
|
|
const uip_ipaddr_t *receiver_addr,
|
|
uint16_t receiver_port,
|
|
const uint8_t *data,
|
|
uint16_t datalen)
|
|
{
|
|
printf("Data received from ");
|
|
uip_debug_ipaddr_print(sender_addr);
|
|
printf(" on port %d from port %d with length %d: '%s'\n",
|
|
receiver_port, sender_port, datalen, data);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static uip_ipaddr_t *
|
|
set_global_address(void)
|
|
{
|
|
static uip_ipaddr_t ipaddr;
|
|
int i;
|
|
uint8_t state;
|
|
|
|
uip_ip6addr(&ipaddr, UIP_DS6_DEFAULT_PREFIX, 0, 0, 0, 0, 0, 0, 0);
|
|
uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
|
|
uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
|
|
|
|
printf("IPv6 addresses: ");
|
|
for(i = 0; i < UIP_DS6_ADDR_NB; i++) {
|
|
state = uip_ds6_if.addr_list[i].state;
|
|
if(uip_ds6_if.addr_list[i].isused &&
|
|
(state == ADDR_TENTATIVE || state == ADDR_PREFERRED)) {
|
|
uip_debug_ipaddr_print(&uip_ds6_if.addr_list[i].ipaddr);
|
|
printf("\n");
|
|
}
|
|
}
|
|
|
|
return &ipaddr;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
create_rpl_dag(uip_ipaddr_t *ipaddr)
|
|
{
|
|
struct uip_ds6_addr *root_if;
|
|
|
|
root_if = uip_ds6_addr_lookup(ipaddr);
|
|
if(root_if != NULL) {
|
|
rpl_dag_t *dag;
|
|
uip_ipaddr_t prefix;
|
|
|
|
rpl_set_root(RPL_DEFAULT_INSTANCE, ipaddr);
|
|
dag = rpl_get_any_dag();
|
|
uip_ip6addr(&prefix, UIP_DS6_DEFAULT_PREFIX, 0, 0, 0, 0, 0, 0, 0);
|
|
rpl_set_prefix(dag, &prefix, 64);
|
|
PRINTF("created a new RPL dag\n");
|
|
} else {
|
|
PRINTF("failed to create a new RPL DAG\n");
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(unicast_receiver_process, ev, data)
|
|
{
|
|
uip_ipaddr_t *ipaddr;
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
ipaddr = set_global_address();
|
|
|
|
create_rpl_dag(ipaddr);
|
|
|
|
simple_udp_register(&unicast_connection, UDP_PORT,
|
|
NULL, UDP_PORT, receiver);
|
|
|
|
while(1) {
|
|
PROCESS_WAIT_EVENT();
|
|
}
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|