public string ClassifyFailure(ClassifiableMessageDetails failure)
{
var exception = failure.Details?.Exception;
if (exception == null)
{
return(null);
}
if (string.IsNullOrWhiteSpace(exception.StackTrace))
{
return(GetNonStandardClassification(exception.ExceptionType));
}
var firstStackTraceFrame = StackTraceParser.Parse(exception.StackTrace, (frame, type, method, parameterList, parameters, file, line) => new StackFrame
{
Type = type,
Method = method,
Params = parameterList,
File = file,
Line = line
}).FirstOrDefault();
if (firstStackTraceFrame != null)
{
return(exception.ExceptionType + ": " + firstStackTraceFrame.ToMethodIdentifier());
}
return(GetNonStandardClassification(exception.ExceptionType));
}
IEnumerable <FailedMessage.FailureGroup> GetClassificationGroups(ClassifiableMessageDetails details)
{
foreach (var classifier in classifiers)
{
var classification = classifier.ClassifyFailure(details);
if (classification == null)
{
continue;
}
var id = DeterministicGuid.MakeId(classifier.Name, classification).ToString();
yield return(new FailedMessage.FailureGroup
{
Id = id,
Title = classification,
Type = classifier.Name
});
}
}
public IEnumerable <FailedMessage.FailureGroup> Enrich(string messageType, FailureDetails failureDetails, FailedMessage.ProcessingAttempt processingAttempt)
{
var details = new ClassifiableMessageDetails(messageType, failureDetails, processingAttempt);
foreach (var classifier in classifiers)
{
var classification = classifier.ClassifyFailure(details);
if (classification == null)
{
continue;
}
yield return(new FailedMessage.FailureGroup
{
Id = DeterministicGuid.MakeId(classifier.Name, classification).ToString(),
Title = classification,
Type = classifier.Name
});
}
}
public string ClassifyFailure(ClassifiableMessageDetails failure)
{
var exception = failure.Details?.Exception;
if (exception == null)
{
return(null);
}
if (string.IsNullOrWhiteSpace(exception.StackTrace))
{
return(GetNonStandardClassification(exception.ExceptionType));
}
var exceptionStackTrace = exception.StackTrace;
if (!string.IsNullOrEmpty(exception.Message))
{
// The StackTrace message header contains the result of ToString call on the exception object so it includes the message
// We need to remove the message in order to make sure the stack trace parser does not get into catastrophic backtracking mode.
exceptionStackTrace = exceptionStackTrace.Replace(exception.Message, string.Empty);
}
var firstStackTraceFrame = StackTraceParser.Parse(exceptionStackTrace, (frame, type, method, parameterList, parameters, file, line) => new StackFrame
{
Type = type,
Method = method,
Params = parameterList,
File = file,
Line = line
}).FirstOrDefault();
if (firstStackTraceFrame != null)
{
return(exception.ExceptionType + ": " + firstStackTraceFrame.ToMethodIdentifier());
}
return(GetNonStandardClassification(exception.ExceptionType));
}
public string ClassifyFailure(ClassifiableMessageDetails failure)
{
var exception = failure.Details?.Exception;
if (exception == null)
{
return(null);
}
if (string.IsNullOrWhiteSpace(exception.StackTrace))
{
return(GetNonStandardClassification(exception.ExceptionType));
}
var firstStackTraceFrame = StackTraceParser.Parse(exception.StackTrace).FirstOrDefault();
if (firstStackTraceFrame != null)
{
return(exception.ExceptionType + ": " + firstStackTraceFrame.ToMethodIdentifier());
}
return(GetNonStandardClassification(exception.ExceptionType));
}
public string ClassifyFailure(ClassifiableMessageDetails failureDetails)
{
return(failureDetails.ProcessingAttempt == null
? null
: ExtractEndpointName(failureDetails.ProcessingAttempt.Headers));
}