94 lines
3.5 KiB
C
94 lines
3.5 KiB
C
/*
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* Copyright (c) 2012, Thingsquare, http://www.thingsquare.com/.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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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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