private ResourceMonitorEventArgs CreateVerificationEvent()
{
var evt = new ResourceMonitorEventArgs();
var timedOut = false;
try
{
var source = new CancellationTokenSource(Configuration.Timeout);
var verificationTask = _verificationStrategy.Check(source.Token);
timedOut = !verificationTask
.Wait(Configuration.Timeout) ||
source.Token.IsCancellationRequested;
// It's up if it didn't timeout and the check was OK.
evt.IsUp = !timedOut && verificationTask.Result;
}
catch (Exception ex)
{
evt.IsUp = false;
evt.Exception = ex;
}
finally
{
if (timedOut) // To avoid throwing from the try block
{
evt.Exception = new TimeoutException();
}
}
return(evt);
}
private void OnMonitoringEvent(ResourceMonitorEventArgs e)
{
try
{
MonitoringEvent?.Invoke(this, e);
}
catch (Exception ex)
{
_logger.LogCritical(0, ex, "The event handler has thrown an exception. The Exception will be re-thrown and the Monitoring will stop.");
throw;
}
}
