// Checks whether the event has been processed already or not.
public bool ShouldProcessEvent(Event ievent)
{
Event lastAckedEvent = _lastAcked.Find(ev => ev.ClientId == ievent.ClientId &&
ev.GetEventEnum().Equals(ievent.GetEventEnum()));
return(lastAckedEvent == null ||
UnsignedCircularComparator.compareLong((ulong)ievent.SeqId, (ulong)lastAckedEvent.SeqId, (ulong)Connection.MAX_SEQ_ID) == 1);
}
// When acking an event, all events of the same kind and same client with lower seq id will be removed.
// The last acked event will be stored in order to check if it has been already processed.
public void AckEvent(Event ievent)
{
_eventQueue = _eventQueue.Where(ev => !(ev.ClientId == ievent.ClientId &&
ev.GetEventEnum().Equals(ievent.GetEventEnum()) &&
UnsignedCircularComparator.compareLong((ulong)ev.SeqId, (ulong)ievent.SeqId, (ulong)Connection.MAX_SEQ_ID) < 1))
.ToList();
_lastAcked = _lastAcked.Where(ev => !(ev.ClientId == ievent.ClientId &&
ev.GetEventEnum().Equals(ievent.GetEventEnum()))).ToList();
_lastAcked.Add(ievent);
}