/**
* The method is called by a ProtocolProvider implementation whenever a change in the
* registration state of the corresponding provider had occurred. The method is particularly
* interested in events stating that the SIP provider has unregistered so that it would fire
* status change events for all contacts in our buddy list.
*
* @param evt ProviderStatusChangeEvent the event describing the status change.
*/
public void registrationStateChanged(RegistrationStateChangeEvent evt) {
if (evt.getNewState() == RegistrationState.UNREGISTERING
|| evt.getNewState() == RegistrationState.UNREGISTERED
|| evt.getNewState() == RegistrationState.AUTHENTICATION_FAILED
|| evt.getNewState() == RegistrationState.CONNECTION_FAILED) {
// stop any task associated with the timer
if (keepAliveTimer != null) {
keepAliveTimer.cancel();
keepAliveTimer = null;
}
} else if (evt.getNewState().equals(RegistrationState.REGISTERED)) {
String keepAliveMethod =
provider
.getAccountID()
.getAccountPropertyString(ProtocolProviderFactory.KEEP_ALIVE_METHOD);
if (logger.isTraceEnabled()) logger.trace("Keep alive method " + keepAliveMethod);
// options is default keep-alive, if property is missing
// then options is used
if (keepAliveMethod != null
&& !(keepAliveMethod.equalsIgnoreCase("options")
|| keepAliveMethod.equalsIgnoreCase("crlf"))) return;
int keepAliveInterval =
provider
.getAccountID()
.getAccountPropertyInt(ProtocolProviderFactory.KEEP_ALIVE_INTERVAL, -1);
if (logger.isTraceEnabled()) logger.trace("Keep alive interval is " + keepAliveInterval);
if (keepAliveInterval > 0 && !provider.getRegistrarConnection().isRegistrarless()) {
if (keepAliveTimer == null) keepAliveTimer = new Timer();
TimerTask keepAliveTask;
// CRLF is used by default on Android
if ((OSUtils.IS_ANDROID && keepAliveMethod == null)
|| "crlf".equalsIgnoreCase(keepAliveMethod)) {
keepAliveTask = new CRLfKeepAliveTask();
} else {
// OPTIONS
keepAliveTask = new OptionsKeepAliveTask();
}
if (logger.isDebugEnabled()) logger.debug("Scheduling keep alives: " + keepAliveTask);
keepAliveTimer.schedule(keepAliveTask, 0, keepAliveInterval * 1000);
}
}
}
/**
* Notified when registration state changed for a provider.
*
* @param evt
*/
public void registrationStateChanged(RegistrationStateChangeEvent evt) {
if (evt.getNewState() == RegistrationState.UNREGISTERING) {
new Timer().schedule(this, TIME_FOR_PP_TO_UNREGISTER);
} else {
protocolProvider.removeRegistrationStateChangeListener(this);
resetListeningPointsTimers.remove(protocolProvider.getRegistrarConnection().getTransport());
}
}