/*---------------------------------------------------------------------------*/
PROCESS_THREAD(rd_client_process, ev, data)
{
static struct etimer et;
static coap_packet_t request[1]; /* This way the packet can be treated as pointer as usual. */
static char query_buffer[200];
static char rd_client_name[64];
PROCESS_BEGIN();
PROCESS_PAUSE();
PRINTF("RD client started\n");
sprintf(rd_client_name, "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
uip_lladdr.addr[0], uip_lladdr.addr[1], uip_lladdr.addr[2], uip_lladdr.addr[3],
uip_lladdr.addr[4], uip_lladdr.addr[5], uip_lladdr.addr[6], uip_lladdr.addr[7]);
while(1) {
new_address = 0;
while(!registered) {
while(uip_is_addr_unspecified(&rd_server_ipaddr)) {
status = RD_CLIENT_UNCONFIGURED;
PROCESS_YIELD();
}
status = RD_CLIENT_REGISTERING;
etimer_set(&et, CLOCK_SECOND);
PROCESS_YIELD_UNTIL(etimer_expired(&et));
PRINTF("Registering to ");
PRINT6ADDR(&rd_server_ipaddr);
PRINTF(" %d with %s\n", rd_server_port, resources_list);
coap_init_message(request, COAP_TYPE_CON, COAP_POST, 0);
coap_set_header_uri_path(request, "rd");
sprintf(query_buffer, "ep=%s&b=U<=%d", rd_client_name, RD_CLIENT_LIFETIME);
coap_set_header_uri_query(request, query_buffer);
coap_set_payload(request, (uint8_t *) resources_list, resources_list_size);
COAP_BLOCKING_REQUEST_BLOCK_RESPONSE(coap_default_context, &rd_server_ipaddr, UIP_HTONS(rd_server_port), request, client_registration_request_handler, client_registration_response_handler);
}
status = RD_CLIENT_REGISTERED;
etimer_set(&et, RD_CLIENT_LIFETIME * CLOCK_SECOND / 10 * 9);
PROCESS_YIELD_UNTIL(etimer_expired(&et) || new_address);
registered = 0;
if(!new_address) {
PRINTF("Update endpoint %s\n", registration_name);
coap_init_message(request, COAP_TYPE_CON, COAP_PUT, 0);
coap_set_header_uri_path(request, registration_name);
sprintf(query_buffer, "b=U<=%d", RD_CLIENT_LIFETIME);
coap_set_header_uri_query(request, query_buffer);
COAP_BLOCKING_REQUEST(coap_default_context, &rd_server_ipaddr, UIP_HTONS(rd_server_port), request, client_update_response_handler);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(coap_client_process, ev, data)
{
/*
#if WITH_COMPOWER
static int print = 0;
#endif
*/
PROCESS_BEGIN();
PROCESS_PAUSE();
set_global_address();
PRINTF("CoAP client process started\n");
print_local_addresses();
/**************************************************************************/
static coap_packet_t request[1]; /* This way the packet can be treated as pointer as usual. */
/* receives all CoAP messages */
coap_init_engine();
etimer_set(&et, GET_INTERVAL * CLOCK_SECOND);
while(1) {
PROCESS_YIELD();
if(ev == tcpip_event) {
printf("TCPIP_HANDLER\n");
tcpip_handler();
}
if(etimer_expired(&et)) {
count_get++;
/*---------------------------------------------------------------------------*/
if(count_get < 10) { /* we do normal GET 3 times for each resource */
/* TEST GET: looping through the 3 resources: status, vdc, hwcfg */
/* Also CoAP GET doesn't need to have a payload */
coap_init_message(request, COAP_TYPE_CON, COAP_GET, 0);
if(count_get % 3 == 1) {
coap_set_header_uri_path(request, service_urls[1]);
PRINTF("GET %d: %s\n", count_get, service_urls[1]);
} else if(count_get % 3 == 2) {
coap_set_header_uri_path(request, service_urls[2]);
PRINTF("GET %d: %s\n", count_get, service_urls[2]);
} else {
coap_set_header_uri_path(request, service_urls[3]);
PRINTF("GET %d: %s\n", count_get, service_urls[3]);
}
#if PLATFORM_HAS_LEDS
/* set yellow led when sending packet */
leds_on(LEDS_YELLOW);
#endif
COAP_BLOCKING_REQUEST(&server_ipaddr, REMOTE_PORT, request,
client_chunk_handler);
} /* if (count_get < 10) */
/*---------------------------------------------------------------------------*/
/* test PUT: vdc and hwcfg on odd and even packet */
/* every 10th timer we PUT a resource: vdc and hwcfg alternately */
if(count_get % 10 == 0) {
/* static char msg[64] = ""; */
char msg[64] = "";
/*---------------------------------------------------------------------------*/
/* We read CO2 sensor if it is enable */
#ifdef CO2
coap_init_message(request, COAP_TYPE_CON, COAP_GET, 0);
coap_set_header_uri_path(request, "/dcdc/co2");
PRINTF("GET %d: %s\n", count_get, "/dcdc/co2");
#if PLATFORM_HAS_LEDS
leds_on(LEDS_YELLOW);
#endif
COAP_BLOCKING_REQUEST(&server_ipaddr, REMOTE_PORT, request,
client_chunk_handler);
#endif
/*---------------------------------------------------------------------------*/
count_put++;
coap_init_message(request, COAP_TYPE_CON, COAP_PUT, 0);
if(count_put % 2 == 0) {
coap_set_header_uri_path(request, service_urls[3]);
generate_random_payload(3, msg);
coap_set_payload(request, (uint8_t *)msg, sizeof(msg) - 1);
PRINTF("PUT %d: %s PAYLOAD: %s\n", count_get, service_urls[3], msg);
} else {
coap_set_header_uri_path(request, service_urls[2]);
generate_random_payload(2, msg);
coap_set_payload(request, (uint8_t *)msg, sizeof(msg) - 1);
PRINTF("PUT %d: %s PAYLOAD: %s\n", count_get, service_urls[2], msg);
}
#if PLATFORM_HAS_LEDS
/* set yellow led when sending packet */
leds_on(LEDS_YELLOW);
#endif
COAP_BLOCKING_REQUEST(&server_ipaddr, REMOTE_PORT, request,
client_chunk_handler);
}
/* after 2 more timeout we do GET to check the resource new value */
if((count_get > 10) && ((count_get - 2) % 10 == 0)) {
coap_init_message(request, COAP_TYPE_CON, COAP_GET, 0);
if(count_put % 2 == 0) {
coap_set_header_uri_path(request, service_urls[3]);
PRINTF("GET %d: %s\n", count_get, service_urls[3]);
} else {
coap_set_header_uri_path(request, service_urls[2]);
PRINTF("GET %d: %s\n", count_get, service_urls[2]);
}
#if PLATFORM_HAS_LEDS
/* set yellow led when sending packet */
leds_on(LEDS_YELLOW);
#endif
COAP_BLOCKING_REQUEST(&server_ipaddr, REMOTE_PORT, request,
client_chunk_handler);
}
/*---------------------------------------------------------------------------*/
/* test GET with observe option when timer expires the 15th time */
if(count_get == 15) {
/* PRINTF("GET %d: OBSERVE: %s\n", count_get, service_urls[2]); */
toggle_observation();
}
etimer_reset(&et);
}
} /* END_WHILE(1) */
PROCESS_END();
}
PROCESS_THREAD(coap_client_example, ev, data)
{
PROCESS_BEGIN();
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();
etimer_set(&et, TOGGLE_INTERVAL * CLOCK_SECOND);
#if PLATFORM_HAS_BUTTON
SENSORS_ACTIVATE(button_sensor);
printf("Press a button to request %s\n", service_urls[uri_switch]);
#endif
while(1) {
PROCESS_YIELD();
if (etimer_expired(&et)) {
printf("--Toggle timer--\n");
/* 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");
etimer_reset(&et);
#if PLATFORM_HAS_BUTTON
} else if (ev == sensors_event && data == &button_sensor) {
/* send a request to notify the end of the process */
coap_init_message(request, COAP_TYPE_CON, COAP_GET, 0);
coap_set_header_uri_path(request, service_urls[uri_switch]);
printf("--Requesting %s--\n", service_urls[uri_switch]);
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");
uri_switch = (uri_switch+1) % NUMBER_OF_URLS;
#endif
}
}
PROCESS_END();
}
