public override void Dispose()
{
lock (_lock)
{
if (_isDisposed)
{
return;
}
_isDisposed = true;
ReTransmitNonx200FinalResponseTimer.Dispose();
EndConfirmedTimer.Dispose();
EndCompletedTimer.Dispose();
SendTryingTimer.Dispose();
SipAbstractServerTransaction tx;
_table.TryRemove(this.GetId(), out tx);
_state = TerminatedState;
}
if (_stateObserver != null)
{
_stateObserver.OnNext(CreateStateInfo(_state.Name));
_stateObserver.OnCompleted();
}
}
internal void ChangeState(AbstractStxState newstate)
{
/*attention: no locking. Is already called thread safely via call to SendResponse */
_state = newstate;
newstate.Initialize(this);
if (_stateObserver != null)
{
_stateObserver.OnNext(CreateStateInfo(newstate.Name));
}
}