int ICACHE_FLASH_ATTR
lwm2m_observe_cancel(lwm2m_context_t * contextP,
uint16_t clientID,
lwm2m_uri_t * uriP,
lwm2m_result_callback_t callback,
void * userData)
{
lwm2m_client_t * clientP;
lwm2m_observation_t * observationP;
clientP = (lwm2m_client_t *)lwm2m_list_find((lwm2m_list_t *)contextP->clientList, clientID);
if (clientP == NULL) return COAP_404_NOT_FOUND;
observationP = prv_findObservationByURI(clientP, uriP);
if (observationP == NULL) return COAP_404_NOT_FOUND;
switch (observationP->status)
{
case STATE_REGISTERED:
observation_remove(clientP, observationP);
break;
case STATE_REG_PENDING:
observationP->status = STATE_DEREG_PENDING;
break;
default:
// Should not happen
break;
}
return 0;
}
int lwm2m_observe_cancel(lwm2m_context_t * contextP,
uint16_t clientID,
lwm2m_uri_t * uriP,
lwm2m_result_callback_t callback,
void * userData)
{
lwm2m_client_t * clientP;
lwm2m_observation_t * observationP;
clientP = (lwm2m_client_t *)lwm2m_list_find((lwm2m_list_t *)contextP->clientList, clientID);
if (clientP == NULL) return COAP_404_NOT_FOUND;
observationP = prv_findObservationByURI(clientP, uriP);
if (observationP == NULL) return COAP_404_NOT_FOUND;
switch (observationP->status)
{
case STATE_REGISTERED:
{
lwm2m_transaction_t * transactionP;
cancellation_data_t * cancelP;
transactionP = transaction_new(COAP_TYPE_CON, COAP_GET, clientP->altPath, uriP, contextP->nextMID++, 0, NULL, ENDPOINT_CLIENT, (void *)clientP);
if (transactionP == NULL)
{
return COAP_500_INTERNAL_SERVER_ERROR;
}
cancelP = (cancellation_data_t *)lwm2m_malloc(sizeof(cancellation_data_t));
if (cancelP == NULL)
{
lwm2m_free(transactionP);
return COAP_500_INTERNAL_SERVER_ERROR;
}
coap_set_header_observe(transactionP->message, 1);
cancelP->observationP = observationP;
cancelP->callbackP = callback;
cancelP->userDataP = userData;
transactionP->callback = prv_obsCancelRequestCallback;
transactionP->userData = (void *)cancelP;
contextP->transactionList = (lwm2m_transaction_t *)LWM2M_LIST_ADD(contextP->transactionList, transactionP);
return transaction_send(contextP, transactionP);
}
case STATE_REG_PENDING:
observationP->status = STATE_DEREG_PENDING;
break;
default:
// Should not happen
break;
}
return COAP_NO_ERROR;
}
int lwm2m_observe_cancel(lwm2m_context_t * contextP,
uint16_t clientID,
lwm2m_uri_t * uriP,
lwm2m_result_callback_t callback,
void * userData)
{
lwm2m_client_t * clientP;
lwm2m_observation_t * observationP;
clientP = (lwm2m_client_t *)lwm2m_list_find((lwm2m_list_t *)contextP->clientList, clientID);
if (clientP == NULL) return COAP_404_NOT_FOUND;
observationP = prv_findObservationByURI(clientP, uriP);
if (observationP == NULL) return COAP_404_NOT_FOUND;
prv_observationRemove(clientP, observationP);
return 0;
}
