public void onSessionStarted(DialogStateEvent<BaseSipMessage> event) {
super.onSessionStarted(event);
BaseSipMessage mes = event.getTriggeringMessage();
if (mes.getSessionExpires() != null) {
Refresher refresher = getStackContext().getConfig().getRefresher();
long refreshTime = getStackContext().getConfig().getSessionExpiresTime() / 2;
final Dialog dialog = event.getDialog();
// TODO it's recommended in RFC to divide this time by 2. Check.
if (mes.getSessionExpires().getRefresher() != null) {
refresher = mes.getSessionExpires().getRefresher();
refreshTime = mes.getSessionExpires().getExpiresValue() / 2;
}
if ((event.getDialog().getInitiateParty() == InitiateParty.LOCAL
&& refresher == Refresher.UAC)
|| (event.getDialog().getInitiateParty() == InitiateParty.REMOTE
&& refresher == Refresher.UAS)) {
// we are responsible for handling invite refresh
TimeoutTimer.getInstance()
.startTimer(
new TimeoutListener() {
public void onTimeout() {
Logger.log(TAG, "listenerForInviteRefresh.onTimeout()");
try {
reInvite(dialog);
} catch (DialogStateException e) {
e.printStackTrace();
assert false
: "exception during invite refresh " + dialog + " " + e.toString();
}
}
},
32000 /*refreshTime*/);
}
}
}
