internal void ReceiveNotify(NotifyPacket notifyPacket, NetworkReader networkReader, int channelId)
{
int sequenceDistance = (int)sequencer.Distance(notifyPacket.Sequence, receiveSequence);
// sequence is so far out of bounds we can't save, just kick him (or her!)
if (Math.Abs(sequenceDistance) > WINDOW_SIZE)
{
connection?.Disconnect();
return;
}
// this message is old, we already received
// a newer or duplicate packet. Discard it
if (sequenceDistance <= 0)
{
return;
}
receiveSequence = notifyPacket.Sequence;
if (sequenceDistance >= ACK_MASK_BITS)
{
receiveMask = 1;
}
else
{
receiveMask = (receiveMask << sequenceDistance) | 1;
}
AckPackets(notifyPacket.ReceiveSequence, notifyPacket.AckMask);
int msgType = MessagePacker.UnpackId(networkReader);
InvokeHandler(msgType, networkReader, channelId);
if (Time.unscaledTime - lastNotifySentTime > NOTIFY_ACK_TIMEOUT)
{
SendNotify(new NotifyAck(), null, channelId);
}
}
public void TestWrappingDistance()
{
var sequencer = new Sequencer(8);
Assert.That(sequencer.Distance(254, 4), Is.EqualTo(-6));
}
public void TestNegativeDistance()
{
var sequencer = new Sequencer(8);
Assert.That(sequencer.Distance(8, 0), Is.EqualTo(8));
}
public void TestDistanceAtBegining()
{
var sequencer = new Sequencer(8);
Assert.That(sequencer.Distance(0, 8), Is.EqualTo(-8));
}
public void ValuesAfterWrappingConsideredToBeGreater()
{
var sequencer = new Sequencer(8);
Assert.That(sequencer.Distance(254, 4), Is.EqualTo(-6));
}
public void ShouldReturnPositiveDistanceIfSecondIdComesBefore()
{
var sequencer = new Sequencer(8);
Assert.That(sequencer.Distance(8, 0), Is.EqualTo(8));
}
public void ShouldReturnNegativeDistanceIfSecondIdComesAfter()
{
var sequencer = new Sequencer(8);
Assert.That(sequencer.Distance(0, 8), Is.EqualTo(-8));
}