private void EstimateCatchesUpToDesiredDelay(uint uiDelayMin, uint uiDelayMax)
{
// Init
RailClock clock = new RailClock(
1,
RailClock.EDesiredDelay.Minimal,
uiDelayMin,
uiDelayMax);
Assert.Equal(uiDelayMin, clock.DelayDesired);
clock.UpdateLatest(m_TickRemote);
clock.UpdateLatest(m_TickRemote += clock.DelayDesired + 1);
clock.Update();
Assert.Equal(m_TickRemote, clock.LatestRemote);
Assert.Equal(m_TickRemote - clock.DelayDesired, clock.EstimatedRemote);
clock.UpdateLatest(m_TickRemote += uiDelayMax - uiDelayMin);
clock.Update();
Assert.Equal(m_TickRemote, clock.LatestRemote);
int delta = m_TickRemote - clock.EstimatedRemote;
Assert.True(delta >= 2 && delta <= uiDelayMax);
int newDelta = m_TickRemote - clock.EstimatedRemote;
int iNumberOfStepsToDesiredResult = 0;
while (m_TickRemote != clock.EstimatedRemote + clock.DelayDesired)
{
Assert.True(m_TickRemote >= clock.EstimatedRemote);
clock.UpdateLatest(++m_TickRemote);
clock.Update();
delta = newDelta;
newDelta = m_TickRemote - clock.EstimatedRemote;
int stepSize = delta - newDelta;
Assert.True(stepSize > 0);
++iNumberOfStepsToDesiredResult;
}
int expectedNumberOfSteps = (int)Math.Log2(uiDelayMax - uiDelayMin);
Assert.Equal(expectedNumberOfSteps, iNumberOfStepsToDesiredResult);
Assert.Equal(m_TickRemote, clock.LatestRemote);
Assert.Equal(m_TickRemote - clock.DelayDesired, clock.EstimatedRemote);
}
protected RailPeer(
RailResource resource,
IRailNetPeer netPeer,
ExternalEntityVisibility visibility,
uint remoteSendRate,
RailInterpreter interpreter,
RailPacketIncoming reusableIncoming,
RailPacketOutgoing reusableOutgoing) : base(resource, visibility, netPeer)
{
Resource = resource;
RemoteClock = new RailClock(remoteSendRate);
this.interpreter = interpreter;
outgoingEvents = new Queue <RailEvent>();
this.reusableIncoming = reusableIncoming;
this.reusableOutgoing = reusableOutgoing;
lastQueuedEventId = SequenceId.Start.Next;
eventHistory = new RailHistory(RailConfig.HISTORY_CHUNKS);
LocalTick = Tick.START;
netPeer.PayloadReceived += OnPayloadReceived;
}
private void EstimateIsUpdated()
{
RailClock clock = new RailClock(1, RailClock.EDesiredDelay.Minimal, 0, 2);
// Initialize the clock
clock.UpdateLatest(m_TickRemote);
Assert.Equal(m_TickRemote, clock.LatestRemote);
Assert.Equal(m_TickRemote, clock.EstimatedRemote);
clock.UpdateLatest(++m_TickRemote);
Assert.Equal(m_TickRemote, clock.LatestRemote);
Assert.Equal(
m_TickRemote - 1,
clock.EstimatedRemote); // Estimate only changed during `Update()`
clock.Update();
Assert.Equal(m_TickRemote, clock.LatestRemote);
Assert.Equal(m_TickRemote, clock.EstimatedRemote); // Estimate was updated
clock.Update();
Assert.Equal(m_TickRemote, clock.LatestRemote);
Assert.Equal(m_TickRemote + 1, clock.EstimatedRemote);
clock.Update();
Assert.Equal(m_TickRemote, clock.LatestRemote);
Assert.Equal(m_TickRemote + 2, clock.EstimatedRemote);
clock.Update();
Assert.Equal(m_TickRemote, clock.LatestRemote);
Assert.Equal(m_TickRemote + 3, clock.EstimatedRemote);
clock.UpdateLatest(++m_TickRemote);
Assert.Equal(m_TickRemote, clock.LatestRemote);
Assert.Equal(m_TickRemote + 2, clock.EstimatedRemote); // Estimate is still unchanged!
clock.Update();
Assert.Equal(m_TickRemote, clock.LatestRemote);
Assert.Equal(m_TickRemote, clock.EstimatedRemote);
}
