public MonitorStates RefreshStates()
{
AbortPolling = false;
BusyPolling = true;
MonitorStates globalState = MonitorStates.Good;
Stopwatch sw = new Stopwatch();
sw.Start();
//First get collectors with no dependancies
List <CollectorEntry> noDependantCollectors = (from c in Collectors
where c.ParentCollectorId.Length == 0
select c).ToList();
//Using .Net 4 Parralel processing extensions
int threads = concurrencyLevel;
#if DEBUG
//threads = 5;
#endif
if (concurrencyLevel > 1)
{
ParallelOptions po = new ParallelOptions()
{
MaxDegreeOfParallelism = threads
};
ParallelLoopResult parResult = Parallel.ForEach(noDependantCollectors, po, collector => RefreshCollectorState(collector));
if (!parResult.IsCompleted)
{
SendNotifierAlert(AlertLevel.Error, DetailLevel.Summary, "N/A", "GlobalState", MonitorStates.NotAvailable, MonitorStates.Error, new CollectorMessage("Error querying collectors in parralel"));
}
}
else //use old single threaded way
{
//Refresh states
foreach (CollectorEntry collector in noDependantCollectors)
{
RefreshCollectorState(collector);
}
}
sw.Stop();
PCSetCollectorsQueryTime(sw.ElapsedMilliseconds);
#if DEBUG
Trace.WriteLine(string.Format("RefreshStates - Global time: {0}ms", sw.ElapsedMilliseconds));
#endif
//set global state
//All disabled
if (Collectors.Count == Collectors.Count(c => c.LastMonitorState == MonitorStates.Disabled || c.LastMonitorState == MonitorStates.Folder))
{
globalState = MonitorStates.Disabled;
}
//All NotAvailable
else if (Collectors.Count == Collectors.Count(c => c.LastMonitorState == MonitorStates.NotAvailable || c.LastMonitorState == MonitorStates.Folder))
{
globalState = MonitorStates.NotAvailable;
}
//All good
else if (Collectors.Count == Collectors.Count(c => c.LastMonitorState == MonitorStates.Good || c.LastMonitorState == MonitorStates.Disabled || c.LastMonitorState == MonitorStates.NotAvailable || c.LastMonitorState == MonitorStates.Folder))
{
globalState = MonitorStates.Good;
}
//Error state
else if (Collectors.Count == Collectors.Count(c => c.LastMonitorState == MonitorStates.Error || c.LastMonitorState == MonitorStates.ConfigurationError || c.LastMonitorState == MonitorStates.Disabled || c.LastMonitorState == MonitorStates.Folder))
{
globalState = MonitorStates.Error;
}
else
{
globalState = MonitorStates.Warning;
}
AlertLevel globalAlertLevel = AlertLevel.Info;
if (globalState == MonitorStates.Error || globalState == MonitorStates.ConfigurationError)
{
globalAlertLevel = AlertLevel.Error;
}
else if (globalState == MonitorStates.Warning)
{
globalAlertLevel = AlertLevel.Warning;
}
sw.Restart();
SendNotifierAlert(globalAlertLevel, DetailLevel.Summary, "N/A", "GlobalState", MonitorStates.NotAvailable, MonitorStates.NotAvailable, new CollectorMessage());
sw.Stop();
PCSetNotifiersSendTime(sw.ElapsedMilliseconds);
#if DEBUG
Trace.WriteLine(string.Format("RefreshStates - Global notification time: {0}ms", sw.ElapsedMilliseconds));
#endif
BusyPolling = false;
return(globalState);
}