private async Task OperateLoop()
{
while (true)
{
await Inlets.AnyMessageAvailableAsync();
try
{
NodeDisposedToken.ThrowIfCancellationRequested();
var inletsBefore = Inlets.GetSnapshot();
await Operate();
_operationsCount++;
var inletsAfter = Inlets.GetSnapshot();
if (!Equals(inletsBefore, inletsAfter))
{
}
}
catch (OperationCanceledException ex) when(ex.CancellationToken == NodeDisposedToken)
{
break;
}
catch (Exception ex)
{
_exceptionsCount++;
Exception.Send(ex);
}
}
}
protected override async Task Operate()
{
var currentIsEnabled = false;
var currentInterval = default(TimeSpan);
var stopwatch = Stopwatch.StartNew();
var counter = 0;
var ticksElapsed = 0;
while (true)
{
var newIsEnabled = await IsEnabled;
var newInterval = await Interval;
var useLocalTimeZone = await UseLocalTimeZone;
var shouldPost = true;
if (currentIsEnabled != newIsEnabled || currentInterval != newInterval)
{
shouldPost = false;
stopwatch = Stopwatch.StartNew();
ticksElapsed = 0;
currentIsEnabled = newIsEnabled;
currentInterval = newInterval;
if (!currentIsEnabled || currentInterval.TotalMilliseconds <= 0)
{
break;
}
}
if (shouldPost)
{
ticksElapsed++;
counter++;
Counter.Send(counter);
Timestamp.Send(useLocalTimeZone ? DateTimeOffset.Now : DateTimeOffset.UtcNow);
}
using (var cts1 = new CancellationTokenSource())
using (var cts2 = CancellationTokenSource.CreateLinkedTokenSource(cts1.Token, NodeDisposedToken))
{
var delayTask = GetDelayTask(stopwatch.Elapsed, ticksElapsed, currentInterval, cts2.Token);
if (delayTask.Status != TaskStatus.RanToCompletion)
{
await Task.WhenAny(
delayTask.IgnoreCancellation(),
Inlets.AnyMessageAvailableAsync());
cts1.Cancel();
}
}
NodeDisposedToken.ThrowIfCancellationRequested();
}
}