static void handle_reset(lwm2m_context_t * contextP, void * fromSessionH, coap_packet_t * message) { #ifdef LWM2M_CLIENT_MODE observe_cancel(contextP, message->mid, fromSessionH); #endif }
coap_status_t observe_handleRequest(lwm2m_context_t * contextP, lwm2m_uri_t * uriP, lwm2m_server_t * serverP, int size, lwm2m_data_t * dataP, coap_packet_t * message, coap_packet_t * response) { lwm2m_watcher_t * watcherP; uint32_t count; LOG("observe_handleRequest()\r\n"); coap_get_header_observe(message, &count); switch (count) { case 0: if (!LWM2M_URI_IS_SET_INSTANCE(uriP) && LWM2M_URI_IS_SET_RESOURCE(uriP)) return COAP_400_BAD_REQUEST; if (message->token_len == 0) return COAP_400_BAD_REQUEST; watcherP = prv_getWatcher(contextP, uriP, serverP); if (watcherP == NULL) return COAP_500_INTERNAL_SERVER_ERROR; watcherP->tokenLen = message->token_len; memcpy(watcherP->token, message->token, message->token_len); watcherP->active = true; watcherP->lastTime = lwm2m_gettime(); if (LWM2M_URI_IS_SET_RESOURCE(uriP)) { switch (dataP->type) { case LWM2M_TYPE_INTEGER: if (1 != lwm2m_data_decode_int(dataP, &(watcherP->lastValue.asInteger))) return COAP_500_INTERNAL_SERVER_ERROR; break; case LWM2M_TYPE_FLOAT: if (1 != lwm2m_data_decode_float(dataP, &(watcherP->lastValue.asFloat))) return COAP_500_INTERNAL_SERVER_ERROR; break; default: break; } } coap_set_header_observe(response, watcherP->counter++); return COAP_205_CONTENT; case 1: // cancellation observe_cancel(contextP, LWM2M_MAX_ID, serverP->sessionH); return COAP_205_CONTENT; default: return COAP_400_BAD_REQUEST; } }