public void DecDefault()
{
for (var i = 0; i < _opIterations; i++)
{
_gauge.Dec();
}
}
public void DecDefault_Int64()
{
for (var i = 0; i < _opIterations; i++)
{
_gaugeInt64.Dec();
}
}
public async Task <QueueItem <T> > DequeueAsync(CancellationToken token)
{
await _signal.WaitAsync(token).ConfigureAwait(false);
_workItems.TryDequeue(out var workItem);
_elementsInQueue?.Dec();
LastDequeuedAt = DateTimeOffset.UtcNow;
ItemCount--;
return(workItem);
}
public async Task <Func <CancellationToken, Task> > DequeueAsync(
CancellationToken cancellationToken)
{
await _signal.WaitAsync(cancellationToken);
_workItems.TryDequeue(out var workItem);
_queuedItemsGauge.Dec();
return(workItem);
}
public async Task Invoke(HttpContext context)
{
_inFlightGauge.Inc();
try
{
await _next(context);
}
finally
{
_inFlightGauge.Dec();
}
}
private async Task PeriodicLicenseChecksAsync()
{
var consecutiveFailures = 0;
var isFirstCheck = true;
do
{
logger.LogTrace("Performing license check");
try
{
await licenseValidator.ValidateLicenseAsync(licenseKey,
moduleInstanceName, hostName, hubName, DateTime.UtcNow, serviceStopping.Token);
logger.LogTrace("License is valid");
consecutiveLicenseCheckFailures.Set(0);
remainingConsecutiveLicenseCheckFailures.Set(maxConsecutiveCheckFailures);
}
catch (OperationCanceledException)
{
logger.LogTrace("Canceled in-progress license check");
}
catch (Exception ex)
{
consecutiveFailures++;
logger.LogCritical(ex, isFirstCheck
? $"Startup license validation failed"
: $"Post-startup license validation failed {consecutiveFailures} consecutive time(s) of max {maxConsecutiveCheckFailures}");
consecutiveLicenseCheckFailures.Inc();
remainingConsecutiveLicenseCheckFailures.Dec();
if (isFirstCheck || consecutiveFailures > maxConsecutiveCheckFailures)
{
throw;
}
}
isFirstCheck = false;
await Task.Delay(licenseCheckInterval, serviceStopping.Token);
} while (!serviceStopping.IsCancellationRequested);
}
public static void Dec(this IGauge gauge, double decrement, DateTimeOffset timestamp)
{
gauge.Dec(decrement, timestamp.ToUnixTime());
}
public static void Dec(this IGauge <long> gauge, long decrement, DateTimeOffset timestamp)
{
gauge.Dec(decrement, timestamp.ToUnixTimeMilliseconds());
}
