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Added simple web server listing the neighbors and routes

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This commit is contained in:
nifi 2010-05-09 12:52:05 +00:00
parent 6909f291af
commit 8c49cf26e5
5 changed files with 425 additions and 2 deletions
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84
examples/ipv6/rpl-border-router/border-router.c
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@ -39,10 +39,13 @@
#include "contiki-lib.h"
#include "contiki-net.h"
#include "net/uip.h"
#include "net/uip-ds6.h"
#include "net/rpl/rpl.h"
#include "net/netstack.h"
#include "dev/button-sensor.h"
#include "webserver-nogui.h"
#include "httpd-simple.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -53,9 +56,88 @@
uint16_t dag_id[] = {0x1111, 0x1100, 0, 0, 0, 0, 0, 0x0011};
extern uip_ds6_nbr_t uip_ds6_nbr_cache[];
extern uip_ds6_route_t uip_ds6_routing_table[];
PROCESS(border_router_process, "Border router process");
AUTOSTART_PROCESSES(&border_router_process);
/*---------------------------------------------------------------------------*/
/* Only one single web request at time */
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;
ADD("<h2>Neighbors</h2>");
for(i = 0; i < UIP_DS6_NBR_NB; i++) {
if(uip_ds6_nbr_cache[i].isused) {
ipaddr_add(&uip_ds6_nbr_cache[i].ipaddr);
ADD("<br>\n");
SEND_STRING(&s->sout, buf);
blen = 0;
}
}
ADD("<h2>Routes</h2>");
for(i = 0; i < UIP_DS6_ROUTE_NB; i++) {
if(uip_ds6_routing_table[i].isused) {
ipaddr_add(&uip_ds6_routing_table[i].ipaddr);
ADD("<br>\n");
SEND_STRING(&s->sout, buf);
blen = 0;
}
}
if(blen > 0) {
SEND_STRING(&s->sout, buf);
blen = 0;
}
SEND_STRING(&s->sout, BOTTOM);
PSOCK_END(&s->sout);
}
/*---------------------------------------------------------------------------*/
httpd_simple_script_t
httpd_simple_get_script(const char *name)
{
return generate_routes;
}
/*---------------------------------------------------------------------------*/
static void
print_local_addresses(void)
{
@ -85,6 +167,8 @@ PROCESS_THREAD(border_router_process, ev, data)
PROCESS_PAUSE();
process_start(&webserver_nogui_process, NULL);
SENSORS_ACTIVATE(button_sensor);
PRINTF("RPL-Border router started\n");