public void TextWriterEventListener()
{
string text;
using (var writer = new StringWriter(CultureInfo.InvariantCulture))
{
using (var listener = new TextWriterEventListener(Events.Log, writer, DateTime.UtcNow, warningNumber => WarningState.AsWarning, EventLevel.Warning))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
// should be captured
log.AlwaysEvent("Cookie 1 ");
log.CriticalEvent("Cookie 2 ");
log.ErrorEvent("Cookie 3 ");
log.WarningEvent("Cookie 4 ");
// shouldn't be captured
log.InfoEvent("Cookie 5 ");
log.VerboseEvent("Cookie 6 ");
}
text = writer.ToString();
}
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 1 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 2 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 3 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 4 .*"));
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 5 .*"));
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 6 .*"));
using (var writer = new StringWriter(CultureInfo.InvariantCulture))
{
using (var listener = new TextWriterEventListener(Events.Log, writer, DateTime.UtcNow, warningNumber => WarningState.AsWarning))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
// should be captured
log.AlwaysEvent("Cookie 11 ");
log.CriticalEvent("Cookie 12 ");
log.ErrorEvent("Cookie 13 ");
log.WarningEvent("Cookie 14 ");
log.InfoEvent("Cookie 15 ");
log.VerboseEvent("Cookie 16 ");
}
text = writer.ToString();
}
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 11 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 12 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 13 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 14 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 15 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 16 .*"));
}
public void TestMessageLabels()
{
string text;
string alwaysEventLabel = "message";
string criticalEventLabel = "critical";
string errorEventLabel = "error";
string warningEventLabel = "warning";
string suppressedWarningEventLabel = "NoWarn";
string infoEventLabel = "info";
string verboseEventLabel = "verbose";
using (var writer = new StringWriter(CultureInfo.InvariantCulture))
{
using (var listener = new TextWriterEventListener(Events.Log, writer, DateTime.UtcNow, warningNumber => WarningState.AsWarning))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
log.AlwaysEvent("Cookie 1");
log.CriticalEvent("Cookie 2");
log.ErrorEvent("Cookie 3");
log.WarningEvent("Cookie 4");
log.InfoEvent("Cookie 5");
log.VerboseEvent("Cookie 6");
}
text = writer.ToString();
}
XAssert.IsTrue(Regex.IsMatch(text, $"^{alwaysEventLabel} DX{(int)EventId.AlwaysEvent:D4}: Cookie 1\\r?$", RegexOptions.Multiline));
XAssert.IsTrue(Regex.IsMatch(text, $"^{criticalEventLabel} DX{(int)EventId.CriticalEvent:D4}: Cookie 2\\r?$", RegexOptions.Multiline));
XAssert.IsTrue(Regex.IsMatch(text, $"^{errorEventLabel} DX{(int)EventId.ErrorEvent:D4}: Cookie 3\\r?$", RegexOptions.Multiline));
XAssert.IsTrue(Regex.IsMatch(text, $"^{warningEventLabel} DX{(int)EventId.WarningEvent:D4}: Cookie 4\\r?$", RegexOptions.Multiline));
XAssert.IsTrue(Regex.IsMatch(text, $"^{infoEventLabel} DX{(int)EventId.InfoEvent:D4}: Cookie 5\\r?$", RegexOptions.Multiline));
XAssert.IsTrue(Regex.IsMatch(text, $"^{verboseEventLabel} DX{(int)EventId.VerboseEvent:D4}: Cookie 6\\r?$", RegexOptions.Multiline));
// suppress the warning message (similar to passing /noWarn:10002 (EventId.WarningEvent))
using (var writer = new StringWriter(CultureInfo.InvariantCulture))
{
using (var listener = new TextWriterEventListener(Events.Log, writer, DateTime.UtcNow, warningNumber => WarningState.Suppressed))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
// although we are suppressing the warning, it still should be captured (suppression only applies to console output and err/wrn files)
// however, this time a different label should be used
log.WarningEvent("Cookie 4");
}
text = writer.ToString();
}
XAssert.IsTrue(Regex.IsMatch(text, $"^{suppressedWarningEventLabel} DX{(int)EventId.WarningEvent:D4}: Cookie 4\\r?$", RegexOptions.Multiline));
}
public static IDisposable SetupLogging(EventLevel level, IEventWriter writer)
{
var eventListener = new TextWriterEventListener(eventSource: Events.Log, writer: writer, baseTime: DateTime.UtcNow, level: level);
var primarySource = bxl.ETWLogger.Log;
if (primarySource.ConstructionException != null)
{
// Rethrow an exception preserving the original stack trace.
var edi = ExceptionDispatchInfo.Capture(primarySource.ConstructionException);
edi.Throw();
// This code is unreachable, but compiler doesn't know about it.
throw null;
}
eventListener.RegisterEventSource(primarySource);
eventListener.EnableTaskDiagnostics(BuildXL.Tracing.ETWLogger.Tasks.CommonInfrastructure);
AriaV2StaticState.Enable(AriaTenantToken.Key);
var eventSources = new EventSource[]
{
bxl.ETWLogger.Log,
BuildXL.Engine.Cache.ETWLogger.Log,
BuildXL.Engine.ETWLogger.Log,
BuildXL.Scheduler.ETWLogger.Log,
BuildXL.Tracing.ETWLogger.Log,
bxlScriptAnalyzer.ETWLogger.Log,
BuildXL.Ide.LanguageServer.ETWLogger.Log,
BuildXL.FrontEnd.Core.ETWLogger.Log,
BuildXL.FrontEnd.Script.ETWLogger.Log,
BuildXL.FrontEnd.Nuget.ETWLogger.Log,
};
using (var listener = new TrackingEventListener(Events.Log))
{
foreach (var eventSource in eventSources)
{
Events.Log.RegisterMergedEventSource(eventSource);
}
}
return(eventListener);
}
