void observe_cancel(lwm2m_context_t * contextP,
uint16_t mid,
void * fromSessionH)
{
lwm2m_observed_t * observedP;
LOG_ARG("mid: %d", mid);
for (observedP = contextP->observedList;
observedP != NULL;
observedP = observedP->next)
{
lwm2m_watcher_t * targetP = NULL;
if ((LWM2M_MAX_ID == mid || observedP->watcherList->lastMid == mid)
&& lwm2m_session_is_equal(observedP->watcherList->server->sessionH, fromSessionH, contextP->userData))
{
targetP = observedP->watcherList;
observedP->watcherList = observedP->watcherList->next;
}
else
{
lwm2m_watcher_t * parentP;
parentP = observedP->watcherList;
while (parentP->next != NULL
&& (parentP->next->lastMid != mid
|| lwm2m_session_is_equal(parentP->next->server->sessionH, fromSessionH, contextP->userData)))
{
parentP = parentP->next;
}
if (parentP->next != NULL)
{
targetP = parentP->next;
parentP->next = parentP->next->next;
}
}
if (targetP != NULL)
{
if (targetP->parameters != NULL) lwm2m_free(targetP->parameters);
lwm2m_free(targetP);
if (observedP->watcherList == NULL)
{
prv_unlinkObserved(contextP, observedP);
lwm2m_free(observedP);
}
return;
}
}
}
lwm2m_server_t * prv_findServer(lwm2m_context_t * contextP,
void * fromSessionH)
{
lwm2m_server_t * targetP;
targetP = contextP->serverList;
while (targetP != NULL
&& false == lwm2m_session_is_equal(targetP->sessionH, fromSessionH, contextP->userData))
{
targetP = targetP->next;
}
return targetP;
}
lwm2m_server_t * utils_findBootstrapServer(lwm2m_context_t * contextP,
void * fromSessionH)
{
#ifdef LWM2M_CLIENT_MODE
lwm2m_server_t * targetP;
targetP = contextP->bootstrapServerList;
while (targetP != NULL
&& false == lwm2m_session_is_equal(targetP->sessionH, fromSessionH, contextP->userData))
{
targetP = targetP->next;
}
return targetP;
#else
return NULL;
#endif
}
bool transaction_handleResponse(lwm2m_context_t * contextP,
void * fromSessionH,
coap_packet_t * message,
coap_packet_t * response)
{
bool found = false;
bool reset = false;
lwm2m_transaction_t * transacP;
LOG("Entering");
transacP = contextP->transactionList;
while (NULL != transacP)
{
if (lwm2m_session_is_equal(fromSessionH, transacP->peerH, contextP->userData) == true)
{
if (!transacP->ack_received)
{
if ((COAP_TYPE_ACK == message->type) || (COAP_TYPE_RST == message->type))
{
if (transacP->mID == message->mid)
{
found = true;
transacP->ack_received = true;
reset = COAP_TYPE_RST == message->type;
}
}
}
if (reset || prv_checkFinished(transacP, message))
{
// HACK: If a message is sent from the monitor callback,
// it will arrive before the registration ACK.
// So we resend transaction that were denied for authentication reason.
if (!reset)
{
if (COAP_TYPE_CON == message->type && NULL != response)
{
coap_init_message(response, COAP_TYPE_ACK, 0, message->mid);
message_send(contextP, response, fromSessionH);
}
if ((COAP_401_UNAUTHORIZED == message->code) && (COAP_MAX_RETRANSMIT > transacP->retrans_counter))
{
transacP->ack_received = false;
transacP->retrans_time += COAP_RESPONSE_TIMEOUT;
return true;
}
}
if (transacP->callback != NULL)
{
transacP->callback(transacP, message);
}
transaction_remove(contextP, transacP);
return true;
}
// if we found our guy, exit
if (found)
{
time_t tv_sec = lwm2m_gettime();
if (0 <= tv_sec)
{
transacP->retrans_time = tv_sec;
}
if (transacP->response_timeout)
{
transacP->retrans_time += transacP->response_timeout;
}
else
{
transacP->retrans_time += COAP_RESPONSE_TIMEOUT * transacP->retrans_counter;
}
return true;
}
}
transacP = transacP->next;
}
return false;
}
