mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-11-20 10:35:34 +00:00
121 lines
3.3 KiB
C
121 lines
3.3 KiB
C
#include "contiki-net.h"
|
|
#include "http-socket.h"
|
|
#include "ip64-addr.h"
|
|
#include "dev/leds.h"
|
|
#include "rpl.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
static struct http_socket s;
|
|
static int bytes_received = 0;
|
|
static int restarts;
|
|
static struct ctimer reconnect_timer;
|
|
static int connect = 0;
|
|
|
|
static void callback(struct http_socket *s, void *ptr,
|
|
http_socket_event_t e,
|
|
const uint8_t *data, uint16_t datalen);
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS(http_example_process, "HTTP Example");
|
|
AUTOSTART_PROCESSES(&http_example_process);
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
reconnect(void *dummy)
|
|
{
|
|
printf("#A color=orange\n");
|
|
rpl_set_mode(RPL_MODE_MESH);
|
|
connect = 1;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
restart(void)
|
|
{
|
|
int scale;
|
|
restarts++;
|
|
printf("restart %d\n", restarts);
|
|
rpl_set_mode(RPL_MODE_FEATHER);
|
|
printf("#A color=red\n");
|
|
|
|
scale = restarts;
|
|
if(scale > 5) {
|
|
scale = 5;
|
|
}
|
|
ctimer_set(&reconnect_timer, random_rand() % ((CLOCK_SECOND * 10) << scale),
|
|
reconnect, NULL);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
callback(struct http_socket *s, void *ptr,
|
|
http_socket_event_t e,
|
|
const uint8_t *data, uint16_t datalen)
|
|
{
|
|
if(e == HTTP_SOCKET_ERR) {
|
|
printf("HTTP socket error\n");
|
|
} else if(e == HTTP_SOCKET_TIMEDOUT) {
|
|
printf("HTTP socket error: timed out\n");
|
|
restart();
|
|
} else if(e == HTTP_SOCKET_ABORTED) {
|
|
printf("HTTP socket error: aborted\n");
|
|
restart();
|
|
} else if(e == HTTP_SOCKET_HOSTNAME_NOT_FOUND) {
|
|
printf("HTTP socket error: hostname not found\n");
|
|
restart();
|
|
} else if(e == HTTP_SOCKET_CLOSED) {
|
|
if(bytes_received > 0) {
|
|
printf("HTTP socket closed, %d bytes received\n", bytes_received);
|
|
leds_off(LEDS_RED);
|
|
printf("#A color=blue\n");
|
|
rpl_set_mode(RPL_MODE_FEATHER);
|
|
} else {
|
|
restart();
|
|
}
|
|
} else if(e == HTTP_SOCKET_DATA) {
|
|
bytes_received += datalen;
|
|
printf("HTTP socket received %d bytes of data\n", datalen);
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
PROCESS_THREAD(http_example_process, ev, data)
|
|
{
|
|
static struct etimer et;
|
|
uip_ip4addr_t ip4addr;
|
|
uip_ip6addr_t ip6addr;
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
uip_ipaddr(&ip4addr, 8,8,8,8);
|
|
ip64_addr_4to6(&ip4addr, &ip6addr);
|
|
uip_nameserver_update(&ip6addr, UIP_NAMESERVER_INFINITE_LIFETIME);
|
|
|
|
etimer_set(&et, CLOCK_SECOND * 20);
|
|
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
|
|
|
|
http_socket_init(&s);
|
|
connect = 1;
|
|
leds_on(LEDS_RED);
|
|
restarts = 0;
|
|
etimer_set(&et, CLOCK_SECOND * 5);
|
|
while(1) {
|
|
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
|
|
etimer_reset(&et);
|
|
if(connect && rpl_has_downward_route()) {
|
|
printf("#A color=green\n");
|
|
http_socket_get(&s, "http://www.contiki-os.org/", 0, 0,
|
|
callback, NULL);
|
|
connect = 0;
|
|
} else if(connect) {
|
|
connect++;
|
|
/* If connect have been "tried" 5 timer we quit trying now... */
|
|
if(connect > 5) {
|
|
restart();
|
|
connect = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|