static DiagnosticTrace()
{
// We own the resource and it hasn't been filled in yet.
//needed for logging events to event log
DiagnosticTrace.AppDomainFriendlyName = AppDomain.CurrentDomain.FriendlyName;
DiagnosticTrace.traceEventTypeNames = new Dictionary <int, string>();
// Initialize the values here to avoid bringing in unnecessary pages.
// Address MB#20806
DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Critical] = "Critical";
DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Error] = "Error";
DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Warning] = "Warning";
DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Information] = "Information";
DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Verbose] = "Verbose";
DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Resume] = "Resume";
DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Start] = "Start";
DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Stop] = "Stop";
DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Suspend] = "Suspend";
DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Transfer] = "Transfer";
#if DEBUG
// The following asserts are established to make sure that
// the strings we have above continue to be correct. Any failures
// should be discoverable during development time since this
// code is in the main path.
Debug.Assert(string.Equals(DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Critical], TraceEventType.Critical.ToString(), StringComparison.Ordinal));
Debug.Assert(string.Equals(DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Error], TraceEventType.Error.ToString(), StringComparison.Ordinal));
Debug.Assert(string.Equals(DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Warning], TraceEventType.Warning.ToString(), StringComparison.Ordinal));
Debug.Assert(string.Equals(DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Information], TraceEventType.Information.ToString(), StringComparison.Ordinal));
Debug.Assert(string.Equals(DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Verbose], TraceEventType.Verbose.ToString(), StringComparison.Ordinal));
Debug.Assert(string.Equals(DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Resume], TraceEventType.Resume.ToString(), StringComparison.Ordinal));
Debug.Assert(string.Equals(DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Start], TraceEventType.Start.ToString(), StringComparison.Ordinal));
Debug.Assert(string.Equals(DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Stop], TraceEventType.Stop.ToString(), StringComparison.Ordinal));
Debug.Assert(string.Equals(DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Suspend], TraceEventType.Suspend.ToString(), StringComparison.Ordinal));
Debug.Assert(string.Equals(DiagnosticTrace.traceEventTypeNames[(int)TraceEventType.Transfer], TraceEventType.Transfer.ToString(), StringComparison.Ordinal));
#endif
DiagnosticTrace.TraceFailureThreshold = DiagnosticTrace.traceFailureLogThreshold;
DiagnosticTrace.TraceFailureCount = DiagnosticTrace.TraceFailureThreshold + 1;
try
{
DiagnosticTrace.traceSource = new TraceSource(DiagnosticTrace.TraceSourceName, SourceLevels.Critical);
AppDomain currentDomain = AppDomain.CurrentDomain;
if (DiagnosticTrace.TraceSource.Switch.ShouldTrace(TraceEventType.Critical))
{
currentDomain.UnhandledException += new UnhandledExceptionEventHandler(UnhandledExceptionHandler);
}
currentDomain.DomainUnload += new EventHandler(ExitOrUnloadEventHandler);
currentDomain.ProcessExit += new EventHandler(ExitOrUnloadEventHandler);
DiagnosticTrace.haveListeners = DiagnosticTrace.TraceSource.Listeners.Count > 0;
DiagnosticTrace.SetLevel(DiagnosticTrace.TraceSource.Switch.Level);
}
catch (System.Configuration.ConfigurationErrorsException)
{
throw;
}
catch (OutOfMemoryException)
{
throw;
}
catch (StackOverflowException)
{
throw;
}
catch (ThreadAbortException)
{
throw;
}
catch (Exception e)
{
if (DiagnosticTrace.TraceSource == null)
{
LogEvent(TraceEventType.Error, String.Format(CultureInfo.CurrentCulture, SR.GetString(SR.FailedToCreateTraceSource), e), true);
}
else
{
DiagnosticTrace.TraceSource = null;
LogEvent(TraceEventType.Error, String.Format(CultureInfo.CurrentCulture, SR.GetString(SR.FailedToInitializeTraceSource), e), true);
}
}
}
