150 lines
5 KiB
C
150 lines
5 KiB
C
/*
|
|
* Copyright (c) 2013, Matthias Kovatsch
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Erbium (Er) CoAP client example
|
|
* \author
|
|
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "contiki.h"
|
|
#include "contiki-net.h"
|
|
|
|
#include "dev/button-sensor.h"
|
|
#include "dev/leds.h"
|
|
|
|
#if WITH_COAP == 3
|
|
#include "er-coap-03-engine.h"
|
|
#elif WITH_COAP == 6
|
|
#include "er-coap-06-engine.h"
|
|
#elif WITH_COAP == 7
|
|
#include "er-coap-07-engine.h"
|
|
#elif WITH_COAP == 12
|
|
#include "er-coap-12-engine.h"
|
|
#elif WITH_COAP == 13
|
|
#include "er-coap-13-engine.h"
|
|
#else
|
|
#error "CoAP version defined by WITH_COAP not implemented"
|
|
#endif
|
|
|
|
|
|
#define DEBUG 0
|
|
#if DEBUG
|
|
#define PRINTF(...) printf(__VA_ARGS__)
|
|
#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
|
|
#define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
|
|
#else
|
|
#define PRINTF(...)
|
|
#define PRINT6ADDR(addr)
|
|
#define PRINTLLADDR(addr)
|
|
#endif
|
|
|
|
/* TODO: This server address is hard-coded for Cooja. */
|
|
#define SERVER_NODE(ipaddr) uip_ip6addr(ipaddr, 0xfe80, 0, 0, 0, 0x0221, 0x2eff, 0xff00, 0x26e6) /* cooja2 */
|
|
|
|
#define LOCAL_PORT UIP_HTONS(COAP_DEFAULT_PORT+1)
|
|
#define REMOTE_PORT UIP_HTONS(COAP_DEFAULT_PORT)
|
|
|
|
PROCESS(coap_client_example, "COAP Client Example");
|
|
AUTOSTART_PROCESSES(&coap_client_example);
|
|
|
|
|
|
uip_ipaddr_t server_ipaddr;
|
|
|
|
/* Example URIs that can be queried. */
|
|
#define NUMBER_OF_URLS 4
|
|
/* leading and ending slashes only for demo purposes, get cropped automatically when setting the Uri-Path */
|
|
char* service_urls[NUMBER_OF_URLS] = {".well-known/core", "/actuators/toggle", "battery/", "error/in//path"};
|
|
|
|
/* This function is will be passed to COAP_BLOCKING_REQUEST() to handle responses. */
|
|
void
|
|
client_chunk_handler(void *response)
|
|
{
|
|
const uint8_t *chunk;
|
|
|
|
int len = coap_get_payload(response, &chunk);
|
|
printf("|%.*s", len, (char *)chunk);
|
|
}
|
|
|
|
|
|
PROCESS_THREAD(coap_client_example, ev, data)
|
|
{
|
|
PROCESS_BEGIN();
|
|
|
|
leds_off(LEDS_RED);
|
|
|
|
static coap_packet_t request[1]; /* This way the packet can be treated as pointer as usual. */
|
|
SERVER_NODE(&server_ipaddr);
|
|
|
|
/* receives all CoAP messages */
|
|
coap_receiver_init();
|
|
|
|
#if PLATFORM_HAS_BUTTON
|
|
SENSORS_ACTIVATE(button_sensor);
|
|
PRINTF("Press a button to request %s\n", service_urls[1]);
|
|
#endif
|
|
|
|
while(1) {
|
|
PROCESS_YIELD();
|
|
|
|
#if PLATFORM_HAS_BUTTON
|
|
if (ev == sensors_event && data == &button_sensor) {
|
|
|
|
/* send a request to notify the end of the process */
|
|
|
|
PRINTF("--Toggle --\n");
|
|
leds_toggle(LEDS_RED);
|
|
/* prepare request, TID is set by COAP_BLOCKING_REQUEST() */
|
|
coap_init_message(request, COAP_TYPE_CON, COAP_POST, 0 );
|
|
coap_set_header_uri_path(request, service_urls[1]);
|
|
|
|
const char msg[] = "Toggle!";
|
|
coap_set_payload(request, (uint8_t *)msg, sizeof(msg)-1);
|
|
|
|
|
|
PRINT6ADDR(&server_ipaddr);
|
|
PRINTF(" : %u\n", UIP_HTONS(REMOTE_PORT));
|
|
|
|
COAP_BLOCKING_REQUEST(&server_ipaddr, REMOTE_PORT, request, client_chunk_handler);
|
|
|
|
PRINTF("\n--Done--\n");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
PROCESS_END();
|
|
}
|