64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
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#include "contiki.h"
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#include "websocket.h"
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#include <stdio.h>
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static struct websocket s;
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static void callback(struct websocket *s, websocket_result_t r,
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const uint8_t *data, uint16_t datalen);
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#define RECONNECT_INTERVAL 10 * CLOCK_SECOND
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static struct ctimer reconnect_timer;
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/*---------------------------------------------------------------------------*/
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PROCESS(websocket_example_process, "Websocket Example");
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AUTOSTART_PROCESSES(&websocket_example_process);
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/*---------------------------------------------------------------------------*/
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static void
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reconnect_callback(void *ptr)
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{
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websocket_open(&s, "ws://172.16.0.1:8080/",
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"contiki", NULL, callback);
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}
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/*---------------------------------------------------------------------------*/
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static void
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callback(struct websocket *s, websocket_result_t r,
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const uint8_t *data, uint16_t datalen)
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{
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if(r == WEBSOCKET_CLOSED ||
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r == WEBSOCKET_RESET ||
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r == WEBSOCKET_HOSTNAME_NOT_FOUND ||
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r == WEBSOCKET_TIMEDOUT) {
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ctimer_set(&reconnect_timer, RECONNECT_INTERVAL, reconnect_callback, s);
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} else if(r == WEBSOCKET_CONNECTED) {
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websocket_send_str(s, "Connected");
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} else if(r == WEBSOCKET_DATA) {
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printf("websocket-example: Received data '%.*s' (len %d)\n", datalen,
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data, datalen);
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}
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(websocket_example_process, ev, data)
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{
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static struct etimer et;
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PROCESS_BEGIN();
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ctimer_set(&reconnect_timer, RECONNECT_INTERVAL, reconnect_callback, &s);
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websocket_init(&s);
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while(1) {
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etimer_set(&et, CLOCK_SECOND / 8);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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char buf[] = "012345678";
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static int count;
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buf[0] = (count % 9) + '0';
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count++;
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websocket_send_str(&s, buf);
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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