void bootstrap_step(lwm2m_context_t * contextP,
time_t currentTime,
time_t * timeoutP)
{
lwm2m_server_t * targetP;
LOG("entering");
targetP = contextP->bootstrapServerList;
while (targetP != NULL)
{
LOG_ARG("Initial status: %s", STR_STATUS(targetP->status));
switch (targetP->status)
{
case STATE_DEREGISTERED:
targetP->registration = currentTime + targetP->lifetime;
targetP->status = STATE_BS_HOLD_OFF;
if (*timeoutP > targetP->lifetime)
{
*timeoutP = targetP->lifetime;
}
break;
case STATE_BS_HOLD_OFF:
if (targetP->registration <= currentTime)
{
prv_requestBootstrap(contextP, targetP);
}
else if (*timeoutP > targetP->registration - currentTime)
{
*timeoutP = targetP->registration - currentTime;
}
break;
case STATE_BS_INITIATED:
// waiting
break;
case STATE_BS_PENDING:
if (targetP->registration <= currentTime)
{
targetP->status = STATE_BS_FAILING;
*timeoutP = 0;
}
else if (*timeoutP > targetP->registration - currentTime)
{
*timeoutP = targetP->registration - currentTime;
}
break;
case STATE_BS_FINISHING:
if (targetP->sessionH != NULL)
{
lwm2m_close_connection(targetP->sessionH, contextP->userData);
targetP->sessionH = NULL;
}
targetP->status = STATE_BS_FINISHED;
*timeoutP = 0;
break;
case STATE_BS_FAILING:
if (targetP->sessionH != NULL)
{
lwm2m_close_connection(targetP->sessionH, contextP->userData);
targetP->sessionH = NULL;
}
targetP->status = STATE_BS_FAILED;
*timeoutP = 0;
break;
default:
break;
}
LOG_ARG("Finalal status: %s", STR_STATUS(targetP->status));
targetP = targetP->next;
}
}
// for each server update the registration if needed
// for each client check if the registration expired
void registration_step(lwm2m_context_t * contextP,
time_t currentTime,
time_t * timeoutP)
{
#ifdef LWM2M_CLIENT_MODE
lwm2m_server_t * targetP = contextP->serverList;
targetP = contextP->serverList;
while (targetP != NULL)
{
switch (targetP->status)
{
case STATE_REGISTERED:
{
time_t nextUpdate;
time_t interval;
nextUpdate = targetP->lifetime;
if (30 < nextUpdate)
{
nextUpdate -= 15; // update 15s earlier to have a chance to resend
}
interval = targetP->registration + nextUpdate - currentTime;
if (0 >= interval)
{
LOG("Updating registration...\r\n");
prv_updateRegistration(contextP, targetP, false);
}
else if (interval < *timeoutP)
{
*timeoutP = interval;
}
}
break;
case STATE_REG_FAILED:
if (targetP->sessionH != NULL)
{
lwm2m_close_connection(targetP->sessionH, contextP->userData);
targetP->sessionH = NULL;
}
break;
default:
break;
}
targetP = targetP->next;
}
#endif
#ifdef LWM2M_SERVER_MODE
lwm2m_client_t * clientP;
// monitor clients lifetime
clientP = contextP->clientList;
while (clientP != NULL)
{
lwm2m_client_t * nextP = clientP->next;
if (clientP->endOfLife <= currentTime)
{
contextP->clientList = (lwm2m_client_t *)LWM2M_LIST_RM(contextP->clientList, clientP->internalID, NULL);
if (contextP->monitorCallback != NULL)
{
contextP->monitorCallback(clientP->internalID, NULL, COAP_202_DELETED, LWM2M_CONTENT_TEXT, NULL, 0, contextP->monitorUserData);
}
registration_freeClient(clientP);
}
else
{
time_t interval;
interval = clientP->endOfLife - currentTime;
if (*timeoutP > interval)
{
*timeoutP = interval;
}
}
clientP = nextP;
}
#endif
}
