private void Reset()
{
busyWith = null;
freeEvent = null;
sleepEvent = null;
packetToSend = null;
REGION_index = 0;
COL_count = 0;
SENSE_count = 0;
PKT_count = 0;
SINK_RTS_count = 0;
REGION_cycle = 0;
}
// called only if relay is either free or already busy with the reserver
public void Reserve(Relay reserver, Event cause)
{
if (this.status == RelayStatus.Free || this.busyWith == reserver)
{
// remove sleep (handle sleep when Free occurs)
if (sleepEvent != null)
{
sim.eventQueue.Remove(sleepEvent);
sleepEvent = null;
}
if (reserver == this)
{
throw new Exception("Can't use Reserve on self, use SelfReserve instead");
}
else
{
if (busyWith == null)
{
busyWith = reserver;
freeEvent = new FreeEvent {
time = sim.clock + sim.protocolParameters.t_busy,
relay = this,
sim = sim,
previous = cause
};
sim.eventQueue.Add(freeEvent);
}
else
{
freeEvent.time = sim.clock + sim.protocolParameters.t_busy;
sim.eventQueue.Reschedule(freeEvent);
}
}
}
else
{
throw new Exception("Cannot reserve this relay");
}
}
