413 lines
14 KiB
C
413 lines
14 KiB
C
/*
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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 Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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#include "contiki.h"
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#include "contiki-net.h"
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#include "lib/random.h"
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#include "sys/ctimer.h"
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#include "net/ip/uip.h"
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#include "net/ipv6/uip-ds6.h"
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#include "net/ip/uip-udp-packet.h"
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#ifdef WITH_COMPOWER
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#include "powertrace.h"
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#endif
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#include <stdio.h>
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#include <string.h>
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/**************************************************************************/
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/* from er-rest-example/er-rexample-client.c */
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#include <stdlib.h>
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#include "er-coap-engine.h"
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#include "er-coap.h"
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#include "er-coap-observe-client.h"
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/* #include "dev/button-sensor.h" */
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#if PLATFORM_HAS_LEDS
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#include "dev/leds.h"
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#endif
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#define DEBUG 1
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#if DEBUG
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#include <stdio.h>
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#define PRINTF(...) printf(__VA_ARGS__)
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#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])
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#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])
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#else
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#define PRINTF(...)
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#define PRINT6ADDR(addr)
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#define PRINTLLADDR(addr)
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#endif
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/* FIXME: This server address is hard-coded for Cooja and link-local for unconnected border router. */
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/* #define SERVER_NODE(ipaddr) uip_ip6addr(ipaddr, 0xfe80, 0, 0, 0, 0x0212, 0x7402, 0x0002, 0x0202) / * cooja2 * / */
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/* #define SERVER_NODE(ipaddr) uip_ip6addr(ipaddr, 0xbbbb, 0, 0, 0, 0, 0, 0, 0x1) */
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/* #define SERVER_NODE(ipaddr) uip_ip6addr(ipaddr, 0x2000, 0, 0, 0, 0, 0, 0, 0x0001) */
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#define LOCAL_PORT UIP_HTONS(COAP_DEFAULT_PORT + 1)
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#define REMOTE_PORT UIP_HTONS(COAP_DEFAULT_PORT)
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#define GET_INTERVAL 10
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/* #define OBSERVE_INTERVAL 10 */
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/**************************************************************************/
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#define UDP_CLIENT_PORT 8765
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#define UDP_SERVER_PORT 5678
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#define UDP_EXAMPLE_ID 190
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/* #define DEBUG DEBUG_PRINT */
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/* #include "net/ip/uip-debug.h" */
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#ifndef PERIOD
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/* #define PERIOD 60 */
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#define PERIOD 10
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#endif
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#define START_INTERVAL (15 * CLOCK_SECOND)
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#define SEND_INTERVAL (PERIOD * CLOCK_SECOND)
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#define SEND_TIME (random_rand() % (SEND_INTERVAL))
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/* static struct uip_udp_conn *client_conn; */
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static uip_ipaddr_t server_ipaddr;
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static coap_observee_t *obs;
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static int count_notify = 0;
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/**************************************************************************/
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static struct etimer et;
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/* Example URIs that can be queried. */
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#define NUMBER_OF_URLS 4
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/* leading and ending slashes only for demo purposes, get cropped automatically when setting the Uri-Path */
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char *service_urls[NUMBER_OF_URLS] =
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{ ".well-known/core", "/dcdc/status", "/dcdc/vdc", "/dcdc/hwcfg" };
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/*
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#if PLATFORM_HAS_BUTTON
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static int uri_switch = 0;
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#endif
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*/
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/* This function is will be passed to COAP_BLOCKING_REQUEST() to handle responses. */
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void
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client_chunk_handler(void *response)
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{
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const uint8_t *chunk;
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int len = coap_get_payload(response, &chunk);
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#if PLATFORM_HAS_LEDS
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/* set red led when receiving a packet */
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leds_on(LEDS_RED);
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#endif
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/* printf("|%.*s", len, (char *)chunk); */
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printf("RX: %d\n%s\n", len, (char *)chunk);
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}
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/**************************************************************************/
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/*---------------------------------------------------------------------------*/
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PROCESS(coap_client_process, "CoAP client process");
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AUTOSTART_PROCESSES(&coap_client_process);
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/*---------------------------------------------------------------------------*/
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static void
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tcpip_handler(void)
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{
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char *str;
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if(uip_newdata()) {
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str = uip_appdata;
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str[uip_datalen()] = '\0';
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printf("DATA recv '%s'\n", str);
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}
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}
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/*---------------------------------------------------------------------------*/
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static void
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print_local_addresses(void)
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{
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int i;
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uint8_t state;
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PRINTF("Client IPv6 addresses: ");
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for(i = 0; i < UIP_DS6_ADDR_NB; i++) {
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state = uip_ds6_if.addr_list[i].state;
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if(uip_ds6_if.addr_list[i].isused &&
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(state == ADDR_TENTATIVE || state == ADDR_PREFERRED)) {
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PRINT6ADDR(&uip_ds6_if.addr_list[i].ipaddr);
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PRINTF("\n");
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/* hack to make address "final" */
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if(state == ADDR_TENTATIVE) {
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uip_ds6_if.addr_list[i].state = ADDR_PREFERRED;
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}
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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static void
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set_global_address(void)
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{
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uip_ipaddr_t ipaddr;
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uip_ip6addr(&ipaddr, 0xaaaa, 0, 0, 0, 0, 0, 0, 0);
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uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
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uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
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/* The choice of server address determines its 6LoPAN header compression.
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* (Our address will be compressed Mode 3 since it is derived from our link-local address)
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* Obviously the choice made here must also be selected in udp-server.c.
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*
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* For correct Wireshark decoding using a sniffer, add the /64 prefix to the 6LowPAN protocol preferences,
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* e.g. set Context 0 to aaaa::. At present Wireshark copies Context/128 and then overwrites it.
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* (Setting Context 0 to aaaa::1111:2222:3333:4444 will report a 16 bit compressed address of aaaa::1111:22ff:fe33:xxxx)
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*
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* Note the IPCMV6 checksum verification depends on the correct uncompressed addresses.
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*/
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#if 0
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/* Mode 1 - 64 bits inline */
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uip_ip6addr(&server_ipaddr, 0xaaaa, 0, 0, 0, 0, 0, 0, 1);
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#elif 1
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/* Mode 2 - 16 bits inline */
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uip_ip6addr(&server_ipaddr, 0xaaaa, 0, 0, 0, 0, 0x00ff, 0xfe00, 1);
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#else
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/* Mode 3 - derived from server link-local (MAC) address */
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uip_ip6addr(&server_ipaddr, 0xaaaa, 0, 0, 0, 0x0250, 0xc2ff, 0xfea8, 0xcd1a); /* redbee-econotag */
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#endif
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/* Voravit Added */
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/* PRINTF("VORAVIT CLIENT: SERVER IPv6 addresses: \n"); */
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/* PRINT6ADDR(&server_ipaddr); */
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}
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/*---------------------------------------------------------------------------*/
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static void
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generate_random_payload(int type, char *msg)
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{
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if(type == 2) { /* /dcdc/vdc */
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snprintf((char *)msg, 64, "&VG=%d&SL=%d&PMX=%d", (random_rand() % 25) + 1, (random_rand() % 10) + 1, (random_rand() % 100) + 1);
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} else if(type == 3) { /* /dcdc/hwcfg */
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snprintf((char *)msg, 64, "&VMX=%d&IMX=%d", (random_rand() % 25) + 1, (random_rand() % 6) + 1);
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}
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}
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/*----------------------------------------------------------------------------*/
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/*
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* Handle the response to the observe request and the following notifications
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*/
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static void
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notification_callback(coap_observee_t *obs, void *notification, coap_notification_flag_t flag)
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{
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int len = 0;
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const uint8_t *payload = NULL;
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/* printf("Notification handler\n"); */
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/* printf("Observee URI: %s\n", obs->url); */
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if(notification) {
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len = coap_get_payload(notification, &payload);
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}
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switch(flag) {
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case NOTIFICATION_OK:
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count_notify++;
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printf("NOTIFICATION OK: %d\n%*s\n", count_notify, len, (char *)payload);
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break;
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case OBSERVE_OK: /* server accepeted observation request */
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printf("OBSERVE_OK: \n%*s\n", len, (char *)payload);
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break;
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case OBSERVE_NOT_SUPPORTED:
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printf("OBSERVE_NOT_SUPPORTED: \n%*s\n", len, (char *)payload);
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obs = NULL;
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break;
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case ERROR_RESPONSE_CODE:
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printf("ERROR_RESPONSE_CODE: \n%*s\n", len, (char *)payload);
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obs = NULL;
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break;
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case NO_REPLY_FROM_SERVER:
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printf("NO_REPLY_FROM_SERVER: "
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"removing observe registration with token %x%x\n",
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obs->token[0], obs->token[1]);
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obs = NULL;
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break;
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}
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}
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/*---------------------------------------------------------------------------*/
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/*
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* Toggle the observation of the remote resource
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*/
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void
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toggle_observation(void)
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{
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if(obs) {
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printf("Stopping observation\n");
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coap_obs_remove_observee(obs);
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obs = NULL;
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} else {
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printf("Starting observation\n");
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obs = coap_obs_request_registration(&server_ipaddr, REMOTE_PORT, service_urls[1], notification_callback, NULL);
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}
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}
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/*---------------------------------------------------------------------------*/
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static int count_get = 0;
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static int count_put = 0;
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(coap_client_process, ev, data)
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{
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/*
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#if WITH_COMPOWER
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static int print = 0;
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#endif
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*/
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PROCESS_BEGIN();
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PROCESS_PAUSE();
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set_global_address();
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PRINTF("CoAP client process started\n");
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print_local_addresses();
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/**************************************************************************/
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static coap_packet_t request[1]; /* This way the packet can be treated as pointer as usual. */
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/* receives all CoAP messages */
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coap_init_engine();
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etimer_set(&et, GET_INTERVAL * CLOCK_SECOND);
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while(1) {
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PROCESS_YIELD();
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if(ev == tcpip_event) {
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printf("TCPIP_HANDLER\n");
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tcpip_handler();
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}
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if(etimer_expired(&et)) {
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count_get++;
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/*---------------------------------------------------------------------------*/
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if(count_get < 10) { /* we do normal GET 3 times for each resource */
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/* TEST GET: looping through the 3 resources: status, vdc, hwcfg */
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/* Also CoAP GET doesn't need to have a payload */
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coap_init_message(request, COAP_TYPE_CON, COAP_GET, 0);
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if(count_get % 3 == 1) {
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coap_set_header_uri_path(request, service_urls[1]);
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PRINTF("GET %d: %s\n", count_get, service_urls[1]);
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} else if(count_get % 3 == 2) {
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coap_set_header_uri_path(request, service_urls[2]);
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PRINTF("GET %d: %s\n", count_get, service_urls[2]);
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} else {
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coap_set_header_uri_path(request, service_urls[3]);
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PRINTF("GET %d: %s\n", count_get, service_urls[3]);
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}
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#if PLATFORM_HAS_LEDS
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/* set yellow led when sending packet */
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leds_on(LEDS_YELLOW);
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#endif
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COAP_BLOCKING_REQUEST(&server_ipaddr, REMOTE_PORT, request,
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client_chunk_handler);
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} /* if (count_get < 10) */
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/*---------------------------------------------------------------------------*/
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/* test PUT: vdc and hwcfg on odd and even packet */
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/* every 10th timer we PUT a resource: vdc and hwcfg alternately */
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if(count_get % 10 == 0) {
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/* static char msg[64] = ""; */
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char msg[64] = "";
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/*---------------------------------------------------------------------------*/
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/* We read CO2 sensor if it is enable */
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#ifdef CO2
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coap_init_message(request, COAP_TYPE_CON, COAP_GET, 0);
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coap_set_header_uri_path(request, "/dcdc/co2");
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PRINTF("GET %d: %s\n", count_get, "/dcdc/co2");
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#if PLATFORM_HAS_LEDS
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leds_on(LEDS_YELLOW);
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#endif
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COAP_BLOCKING_REQUEST(&server_ipaddr, REMOTE_PORT, request,
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client_chunk_handler);
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#endif
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/*---------------------------------------------------------------------------*/
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count_put++;
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coap_init_message(request, COAP_TYPE_CON, COAP_PUT, 0);
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if(count_put % 2 == 0) {
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coap_set_header_uri_path(request, service_urls[3]);
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generate_random_payload(3, msg);
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coap_set_payload(request, (uint8_t *)msg, sizeof(msg) - 1);
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PRINTF("PUT %d: %s PAYLOAD: %s\n", count_get, service_urls[3], msg);
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} else {
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coap_set_header_uri_path(request, service_urls[2]);
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generate_random_payload(2, msg);
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coap_set_payload(request, (uint8_t *)msg, sizeof(msg) - 1);
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PRINTF("PUT %d: %s PAYLOAD: %s\n", count_get, service_urls[2], msg);
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}
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#if PLATFORM_HAS_LEDS
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/* set yellow led when sending packet */
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leds_on(LEDS_YELLOW);
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#endif
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COAP_BLOCKING_REQUEST(&server_ipaddr, REMOTE_PORT, request,
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client_chunk_handler);
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}
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/* after 2 more timeout we do GET to check the resource new value */
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if((count_get > 10) && ((count_get - 2) % 10 == 0)) {
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coap_init_message(request, COAP_TYPE_CON, COAP_GET, 0);
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if(count_put % 2 == 0) {
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coap_set_header_uri_path(request, service_urls[3]);
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PRINTF("GET %d: %s\n", count_get, service_urls[3]);
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} else {
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coap_set_header_uri_path(request, service_urls[2]);
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PRINTF("GET %d: %s\n", count_get, service_urls[2]);
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}
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#if PLATFORM_HAS_LEDS
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/* set yellow led when sending packet */
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leds_on(LEDS_YELLOW);
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#endif
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COAP_BLOCKING_REQUEST(&server_ipaddr, REMOTE_PORT, request,
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client_chunk_handler);
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}
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/*---------------------------------------------------------------------------*/
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/* test GET with observe option when timer expires the 15th time */
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if(count_get == 15) {
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/* PRINTF("GET %d: OBSERVE: %s\n", count_get, service_urls[2]); */
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toggle_observation();
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}
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etimer_reset(&et);
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}
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} /* END_WHILE(1) */
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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