private async Task MonitorServerAsync()
{
var metronome = new Metronome(_interval);
var heartbeatCancellationToken = _cancellationTokenSource.Token;
while (!heartbeatCancellationToken.IsCancellationRequested)
{
try
{
await HeartbeatAsync(heartbeatCancellationToken).ConfigureAwait(false);
var newHeartbeatDelay = new HeartbeatDelay(metronome.GetNextTickDelay(), __minHeartbeatInterval);
var oldHeartbeatDelay = Interlocked.Exchange(ref _heartbeatDelay, newHeartbeatDelay);
if (oldHeartbeatDelay != null)
{
oldHeartbeatDelay.Dispose();
}
await newHeartbeatDelay.Task.ConfigureAwait(false);
}
catch
{
// ignore these exceptions
}
}
}
public void Setup()
{
_clock = FrozenClock.FreezeUtcNow();
_subject = new Metronome(_period, _clock);
}
public void GetNextTickDelay_should_be_infinite_if_period_is_infinite()
{
var period = Timeout.InfiniteTimeSpan;
var subject = new Metronome(period);
subject.GetNextTickDelay().Should().Be(Timeout.InfiniteTimeSpan);
}
public MetronomeTests()
{
_clock = FrozenClock.FreezeUtcNow();
_subject = new Metronome(_period, _clock);
}