2010-05-05 21:44:30 +02:00
|
|
|
/*
|
|
|
|
|
* 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 "contiki-lib.h"
|
|
|
|
|
#include "contiki-net.h"
|
|
|
|
|
#include "net/uip.h"
|
2010-05-09 14:52:05 +02:00
|
|
|
#include "net/uip-ds6.h"
|
2010-05-05 21:44:30 +02:00
|
|
|
#include "net/rpl/rpl.h"
|
|
|
|
|
|
|
|
|
|
#include "net/netstack.h"
|
|
|
|
|
#include "dev/button-sensor.h"
|
2010-05-25 22:34:51 +02:00
|
|
|
#include "dev/slip.h"
|
2011-03-13 16:59:17 +01:00
|
|
|
|
2010-05-05 21:44:30 +02:00
|
|
|
#include <stdio.h>
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
#include <string.h>
|
|
|
|
|
#include <ctype.h>
|
|
|
|
|
|
2011-09-05 12:08:26 +02:00
|
|
|
#define DEBUG DEBUG_NONE
|
2010-05-05 21:44:30 +02:00
|
|
|
#include "net/uip-debug.h"
|
|
|
|
|
|
|
|
|
|
uint16_t dag_id[] = {0x1111, 0x1100, 0, 0, 0, 0, 0, 0x0011};
|
|
|
|
|
|
2010-05-09 14:52:05 +02:00
|
|
|
extern uip_ds6_nbr_t uip_ds6_nbr_cache[];
|
|
|
|
|
extern uip_ds6_route_t uip_ds6_routing_table[];
|
|
|
|
|
|
2010-05-25 22:34:51 +02:00
|
|
|
static uip_ipaddr_t prefix;
|
|
|
|
|
static uint8_t prefix_set;
|
|
|
|
|
|
2010-05-05 21:44:30 +02:00
|
|
|
PROCESS(border_router_process, "Border router process");
|
2011-08-16 00:30:31 +02:00
|
|
|
|
|
|
|
|
#if WEBSERVER==0
|
|
|
|
|
/* No webserver */
|
2010-05-05 21:44:30 +02:00
|
|
|
AUTOSTART_PROCESSES(&border_router_process);
|
2011-08-16 00:30:31 +02:00
|
|
|
#elif WEBSERVER>1
|
|
|
|
|
/* Use an external webserver application */
|
|
|
|
|
#include "webserver-nogui.h"
|
|
|
|
|
AUTOSTART_PROCESSES(&border_router_process,&webserver_nogui_process);
|
|
|
|
|
#else
|
|
|
|
|
/* Use simple webserver with only one page */
|
|
|
|
|
#include "httpd-simple.h"
|
|
|
|
|
PROCESS(webserver_nogui_process, "Web server");
|
|
|
|
|
PROCESS_THREAD(webserver_nogui_process, ev, data)
|
|
|
|
|
{
|
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
|
|
|
|
|
|
httpd_init();
|
|
|
|
|
|
|
|
|
|
while(1) {
|
|
|
|
|
PROCESS_WAIT_EVENT_UNTIL(ev == tcpip_event);
|
|
|
|
|
httpd_appcall(data);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
PROCESS_END();
|
|
|
|
|
}
|
|
|
|
|
AUTOSTART_PROCESSES(&border_router_process,&webserver_nogui_process);
|
2011-03-13 16:59:17 +01:00
|
|
|
|
2010-05-09 14:52:05 +02:00
|
|
|
static const char *TOP = "<html><head><title>ContikiRPL</title></head><body>\n";
|
|
|
|
|
static const char *BOTTOM = "</body></html>\n";
|
|
|
|
|
static char buf[128];
|
|
|
|
|
static int blen;
|
|
|
|
|
#define ADD(...) do { \
|
|
|
|
|
blen += snprintf(&buf[blen], sizeof(buf) - blen, __VA_ARGS__); \
|
|
|
|
|
} while(0)
|
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
|
static void
|
|
|
|
|
ipaddr_add(const uip_ipaddr_t *addr)
|
|
|
|
|
{
|
|
|
|
|
uint16_t a;
|
|
|
|
|
int i, f;
|
|
|
|
|
for(i = 0, f = 0; i < sizeof(uip_ipaddr_t); i += 2) {
|
|
|
|
|
a = (addr->u8[i] << 8) + addr->u8[i + 1];
|
|
|
|
|
if(a == 0 && f >= 0) {
|
|
|
|
|
if(f++ == 0 && sizeof(buf) - blen >= 2) {
|
|
|
|
|
buf[blen++] = ':';
|
|
|
|
|
buf[blen++] = ':';
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
if(f > 0) {
|
|
|
|
|
f = -1;
|
|
|
|
|
} else if(i > 0 && blen < sizeof(buf)) {
|
|
|
|
|
buf[blen++] = ':';
|
|
|
|
|
}
|
|
|
|
|
ADD("%x", a);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
|
static
|
|
|
|
|
PT_THREAD(generate_routes(struct httpd_state *s))
|
|
|
|
|
{
|
|
|
|
|
static int i;
|
|
|
|
|
PSOCK_BEGIN(&s->sout);
|
|
|
|
|
|
|
|
|
|
SEND_STRING(&s->sout, TOP);
|
|
|
|
|
|
|
|
|
|
blen = 0;
|
2011-10-27 15:20:04 +02:00
|
|
|
ADD("Neighbors<pre>");
|
2010-05-09 14:52:05 +02:00
|
|
|
for(i = 0; i < UIP_DS6_NBR_NB; i++) {
|
|
|
|
|
if(uip_ds6_nbr_cache[i].isused) {
|
|
|
|
|
ipaddr_add(&uip_ds6_nbr_cache[i].ipaddr);
|
2011-10-27 15:20:04 +02:00
|
|
|
ADD("\n");
|
2010-05-10 16:25:02 +02:00
|
|
|
if(blen > sizeof(buf) - 45) {
|
|
|
|
|
SEND_STRING(&s->sout, buf);
|
|
|
|
|
blen = 0;
|
|
|
|
|
}
|
2010-05-09 14:52:05 +02:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2011-10-27 15:20:04 +02:00
|
|
|
ADD("</pre>Routes<pre>");
|
2010-05-10 16:25:02 +02:00
|
|
|
SEND_STRING(&s->sout, buf);
|
|
|
|
|
blen = 0;
|
2010-05-09 14:52:05 +02:00
|
|
|
for(i = 0; i < UIP_DS6_ROUTE_NB; i++) {
|
|
|
|
|
if(uip_ds6_routing_table[i].isused) {
|
|
|
|
|
ipaddr_add(&uip_ds6_routing_table[i].ipaddr);
|
2010-05-10 16:25:02 +02:00
|
|
|
ADD("/%u (via ", uip_ds6_routing_table[i].length);
|
|
|
|
|
ipaddr_add(&uip_ds6_routing_table[i].nexthop);
|
|
|
|
|
if(uip_ds6_routing_table[i].state.lifetime < 600) {
|
2011-10-27 15:20:04 +02:00
|
|
|
ADD(") %lus\n", uip_ds6_routing_table[i].state.lifetime);
|
2010-05-10 16:25:02 +02:00
|
|
|
} else {
|
2011-10-27 15:20:04 +02:00
|
|
|
ADD(")\n");
|
2010-05-10 16:25:02 +02:00
|
|
|
}
|
2010-05-09 14:52:05 +02:00
|
|
|
SEND_STRING(&s->sout, buf);
|
|
|
|
|
blen = 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
2011-10-27 15:20:04 +02:00
|
|
|
ADD("</pre>");
|
|
|
|
|
//if(blen > 0) {
|
2010-05-09 14:52:05 +02:00
|
|
|
SEND_STRING(&s->sout, buf);
|
2011-10-27 15:20:04 +02:00
|
|
|
// blen = 0;
|
|
|
|
|
//}
|
2010-05-09 14:52:05 +02:00
|
|
|
|
|
|
|
|
SEND_STRING(&s->sout, BOTTOM);
|
|
|
|
|
|
|
|
|
|
PSOCK_END(&s->sout);
|
|
|
|
|
}
|
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
|
httpd_simple_script_t
|
|
|
|
|
httpd_simple_get_script(const char *name)
|
|
|
|
|
{
|
|
|
|
|
return generate_routes;
|
|
|
|
|
}
|
2011-03-13 16:59:17 +01:00
|
|
|
|
|
|
|
|
#endif /* WEBSERVER */
|
|
|
|
|
|
2010-05-09 14:52:05 +02:00
|
|
|
/*---------------------------------------------------------------------------*/
|
2010-05-05 21:44:30 +02:00
|
|
|
static void
|
|
|
|
|
print_local_addresses(void)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
uint8_t state;
|
|
|
|
|
|
2011-03-13 16:59:17 +01:00
|
|
|
PRINTA("Server IPv6 addresses:\n");
|
2010-05-05 21:44:30 +02:00
|
|
|
for(i = 0; i < UIP_DS6_ADDR_NB; i++) {
|
|
|
|
|
state = uip_ds6_if.addr_list[i].state;
|
2010-05-10 17:15:17 +02:00
|
|
|
if(uip_ds6_if.addr_list[i].isused &&
|
|
|
|
|
(state == ADDR_TENTATIVE || state == ADDR_PREFERRED)) {
|
2011-03-13 16:59:17 +01:00
|
|
|
PRINTA(" ");
|
|
|
|
|
uip_debug_ipaddr_print(&uip_ds6_if.addr_list[i].ipaddr);
|
|
|
|
|
PRINTA("\n");
|
2010-05-05 21:44:30 +02:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
/*---------------------------------------------------------------------------*/
|
2010-05-25 22:34:51 +02:00
|
|
|
void
|
2010-11-03 08:53:12 +01:00
|
|
|
request_prefix(void)
|
|
|
|
|
{
|
2010-05-25 22:34:51 +02:00
|
|
|
/* mess up uip_buf with a dirty request... */
|
2011-03-11 16:34:30 +01:00
|
|
|
uip_buf[0] = '?';
|
2010-05-25 22:34:51 +02:00
|
|
|
uip_buf[1] = 'P';
|
|
|
|
|
uip_len = 2;
|
|
|
|
|
slip_send();
|
2010-11-03 08:53:12 +01:00
|
|
|
uip_len = 0;
|
2010-05-25 22:34:51 +02:00
|
|
|
}
|
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
|
void
|
2010-11-03 08:53:12 +01:00
|
|
|
set_prefix_64(uip_ipaddr_t *prefix_64)
|
|
|
|
|
{
|
2010-05-25 22:34:51 +02:00
|
|
|
uip_ipaddr_t ipaddr;
|
|
|
|
|
memcpy(&prefix, prefix_64, 16);
|
|
|
|
|
memcpy(&ipaddr, prefix_64, 16);
|
|
|
|
|
prefix_set = 1;
|
|
|
|
|
uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
|
|
|
|
|
uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
|
|
|
|
|
}
|
|
|
|
|
/*---------------------------------------------------------------------------*/
|
2010-05-05 21:44:30 +02:00
|
|
|
PROCESS_THREAD(border_router_process, ev, data)
|
|
|
|
|
{
|
2010-05-25 22:34:51 +02:00
|
|
|
static struct etimer et;
|
|
|
|
|
rpl_dag_t *dag;
|
2010-05-05 21:44:30 +02:00
|
|
|
|
|
|
|
|
PROCESS_BEGIN();
|
2010-05-25 22:34:51 +02:00
|
|
|
prefix_set = 0;
|
2010-05-05 21:44:30 +02:00
|
|
|
|
|
|
|
|
PROCESS_PAUSE();
|
2011-03-13 16:59:17 +01:00
|
|
|
|
2010-05-05 21:44:30 +02:00
|
|
|
SENSORS_ACTIVATE(button_sensor);
|
|
|
|
|
|
|
|
|
|
PRINTF("RPL-Border router started\n");
|
|
|
|
|
|
2010-05-25 22:34:51 +02:00
|
|
|
/* Request prefix until it has been received */
|
|
|
|
|
while(!prefix_set) {
|
|
|
|
|
etimer_set(&et, CLOCK_SECOND);
|
|
|
|
|
request_prefix();
|
|
|
|
|
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
|
2010-05-05 21:44:30 +02:00
|
|
|
}
|
|
|
|
|
|
2011-07-11 15:50:51 +02:00
|
|
|
dag = rpl_set_root(RPL_DEFAULT_INSTANCE,(uip_ip6addr_t *)dag_id);
|
2010-06-03 17:24:13 +02:00
|
|
|
if(dag != NULL) {
|
|
|
|
|
rpl_set_prefix(dag, &prefix, 64);
|
|
|
|
|
PRINTF("created a new RPL dag\n");
|
|
|
|
|
}
|
2011-03-13 16:59:17 +01:00
|
|
|
|
|
|
|
|
#if DEBUG || 1
|
2010-05-05 21:44:30 +02:00
|
|
|
print_local_addresses();
|
2011-03-11 21:07:15 +01:00
|
|
|
#endif
|
2010-05-05 21:44:30 +02:00
|
|
|
|
|
|
|
|
/* The border router runs with a 100% duty cycle in order to ensure high
|
|
|
|
|
packet reception rates. */
|
|
|
|
|
NETSTACK_MAC.off(1);
|
|
|
|
|
|
|
|
|
|
while(1) {
|
|
|
|
|
PROCESS_YIELD();
|
|
|
|
|
if (ev == sensors_event && data == &button_sensor) {
|
2010-05-10 17:15:17 +02:00
|
|
|
PRINTF("Initiating global repair\n");
|
2011-07-11 15:50:51 +02:00
|
|
|
rpl_repair_root(RPL_DEFAULT_INSTANCE);
|
2010-05-05 21:44:30 +02:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
PROCESS_END();
|
|
|
|
|
}
|
|
|
|
|
/*---------------------------------------------------------------------------*/
|
