void Negotiating::FailureResponse( DialogTracker& impl, SipMessage& response, const char* address, int port ) const
{
int seqNum;
UtlString seqMethod;
if( response.getCSeqField( &seqNum, &seqMethod ) )
{
if( seqMethod.compareTo( SIP_INVITE_METHOD ) == 0 )
{
// session negotiation failed. Deallocate all the tentative
// media relays tentatively allocated to handle the media
// sessions that just failed.
impl.deallocateAndClearAllMediaRelaySessions( true, true, false );
if( !impl.getDialogEstablishedFlag() )
{
// this is a final failure response to a dialog-forming INVITE. That
// event marks the end of the dialog hence, we do not need to continue
// to track it.
ChangeState( impl, impl.pMoribund );
}
else
{
// the renegotiation failed but the dialog is still active. Go back to state where
// we wait for an incoming INVITE.
ChangeState( impl, impl.pWaitingForInvite );
}
}
else
{
OsSysLog::add(FAC_NAT,PRI_DEBUG,"'%s:%s' - Received unexpected successful response for %s request",
impl.name(), impl.GetCurrentState()->name(), seqMethod.data() );
}
}
}
void WaitingFor200OkWithAnswerForPrack::FailureResponse( DialogTracker& impl, SipMessage& response, const char* address, int port ) const
{
int seqNum;
UtlString seqMethod;
if( response.getCSeqField( &seqNum, &seqMethod ) )
{
if( seqMethod.compareTo( SIP_PRACK_METHOD ) == 0 )
{
// PRACK offer/answer failed. Deallocate any tentative media relays allocation
// in preparation for that failed PRACK offer/answer negotiation.
impl.deallocateAndClearAllMediaRelaySessions( false, true, false );
ChangeState( impl, impl.pWaitingForPrack );
}
else
{
OsSysLog::add(FAC_NAT,PRI_DEBUG,"'%s:%s' - Received unexpected failure response for %s request",
impl.name(), impl.GetCurrentState()->name(), seqMethod.data() );
}
}
}
bool DialogTrackerState::ByeRequest( DialogTracker& impl, SipMessage& request, TransactionDirectionality direction, const char* address, int port ) const
{
impl.deallocateAndClearAllMediaRelaySessions();
ChangeState( impl, impl.pMoribund );
return false;
}