nes-proj/regression-tests/21-large-rpl/code/node/client.c

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#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;
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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)
{
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printf("#A color=orange\n");
rpl_set_mode(RPL_MODE_MESH);
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connect = 1;
}
/*---------------------------------------------------------------------------*/
static void
restart(void)
{
int scale;
restarts++;
printf("restart %d\n", restarts);
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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);
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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);
}
}
/*---------------------------------------------------------------------------*/
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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);
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connect = 1;
leds_on(LEDS_RED);
restarts = 0;
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etimer_set(&et, CLOCK_SECOND * 5);
while(1) {
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
etimer_reset(&et);
if(connect && rpl_has_downward_route()) {
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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;
}
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}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/