We notice that there are no callbacks happening when a 404 is instantly
received to a subscribe request. On making the following change it seems
that the SIP dialog seemed to have upgraded to an established dialog while
the subscribe state may be associated with an early dialog (missing to
tag). The following lookup fails:
IN: SipSubscribeClient::refreshCallback (case
SipRefreshManager::REFRESH_REQUEST_FAILED:)
UtlString dailogString(dialogHandle ? dialogHandle :
earlyDialogHandle);
subClient->lock();
SubscribeClientState* clientState =
subClient->getState(dailogString);
When we add the reverse condition to lookup the earlyDialogHandle, it seems
to work coming back with Subscription Expired event (clientState can be
located and the code following it works):
if (clientState == NULL)
{
// Lets reverse the condition above since the above code
doesnt work on the first 404
UtlString dialogString(dialogHandle ? earlyDialogHandle
: dialogHandle);
clientState = subClient->getState(dialogString);
}
Not sure if this is the correct fix, so we are posting it here to get some
feedback.
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