private void CheckServices(DateTime currentTime)
{
if (IsCheckInProgress())
{
return;
}
try
{
List <ServiceCheckerContainer> targetContainers = _serviceCheckers.
Where(x => currentTime >= x.NextCheckTime).ToList();
if (targetContainers.Count > 0)
{
Task.Factory.StartNew(() => {
try
{
Parallel.ForEach(targetContainers, x =>
{
CheckResult r = x.Checker.Check();
DateTime nextCheckTime = DateTime.Now.AddSeconds(x.ServiceDef.Period);
logger.Info("Service " + x.ServiceDef.GetFullName() + ": " + r.GetText() + System.Environment.NewLine + "Next check time: " + nextCheckTime);
try
{
_outputService.Write(DateTime.UtcNow, x.ServiceDef, r).ContinueWith(t =>
{
if (t.Exception != null)
{
logger.Error(t.Exception, "Output task error for service " + x.ServiceDef.GetFullName() + ": " + t.Exception.ToString());
}
else
{
logger.Error("Output task error for service " + x.ServiceDef.GetFullName() + " (detailed info is missed)");
}
}, TaskContinuationOptions.OnlyOnFaulted);
}
catch (Exception ex)
{
logger.Error(ex, "Output error for service " + x.ServiceDef.GetFullName() + ": " + ex.Message);
}
x.NextCheckTime = nextCheckTime;
});
}
catch (Exception ex)
{
logger.Error(ex, "Parallel.ForEach exception: " + ex.Message);
}
finally
{
_checkComplete.Set();
}
});
}
else
{
_checkComplete.Set();
}
}
catch (Exception)
{
_checkComplete.Set();
throw;
}
}