/// <summary>
/// Converts a System.Diagnostics.StackFrame to a Microsoft.ApplicationInsights.Extensibility.Implementation.TelemetryTypes.StackFrame.
/// </summary>
private static External.StackFrame GetStackFrame(StackFrame stackFrame, int frameId)
{
var convertedStackFrame = new External.StackFrame()
{
level = frameId
};
var methodInfo = stackFrame.GetMethod();
string fullName;
if (methodInfo.DeclaringType != null)
{
fullName = methodInfo.DeclaringType.FullName + "." + methodInfo.Name;
}
else
{
fullName = methodInfo.Name;
}
convertedStackFrame.method = fullName;
convertedStackFrame.assembly = methodInfo.Module.Assembly.FullName;
convertedStackFrame.fileName = stackFrame.GetFileName();
// 0 means it is unavailable
int line = stackFrame.GetFileLineNumber();
if (line != 0)
{
convertedStackFrame.line = line;
}
return(convertedStackFrame);
}
/// <summary>
/// Gets the stack frame length for only the strings in the stack frame.
/// </summary>
private static int GetStackFrameLength(External.StackFrame stackFrame)
{
var stackFrameLength = (stackFrame.method == null ? 0 : stackFrame.method.Length)
+ (stackFrame.assembly == null ? 0 : stackFrame.assembly.Length)
+ (stackFrame.fileName == null ? 0 : stackFrame.fileName.Length);
return(stackFrameLength);
}
public void TestNullMethodInfoInStack()
{
var frameMock = new Mock <System.Diagnostics.StackFrame>(null, 0, 0);
frameMock.Setup(x => x.GetMethod()).Returns((MethodBase)null);
External.StackFrame stackFrame = null;
try
{
stackFrame = ExceptionConverter.GetStackFrame(frameMock.Object, 0);
}
catch (Exception e)
{
Assert.Fail("GetStackFrame threw " + e);
}
Assert.AreEqual("unknown", stackFrame.assembly);
Assert.AreEqual(null, stackFrame.fileName);
Assert.AreEqual("unknown", stackFrame.method);
Assert.AreEqual(0, stackFrame.line);
}
/// <summary>
/// Create handler for exception telemetry.
/// </summary>
private Action <ITelemetry> CreateHandlerForExceptionTelemetry(EventSource eventSource, MethodInfo writeGenericMethod, Type eventSourceOptionsType, PropertyInfo eventSourceOptionsKeywordsProperty)
{
var eventSourceOptions = Activator.CreateInstance(eventSourceOptionsType);
var keywords = Keywords.Exceptions;
eventSourceOptionsKeywordsProperty.SetValue(eventSourceOptions, keywords);
var dummyExceptionData = new ExceptionData();
var dummyExceptionDetails = new ExceptionDetails();
var dummyStackFrame = new External.StackFrame();
var writeMethod = writeGenericMethod.MakeGenericMethod(new
{
PartA_iKey = this.dummyPartAiKeyValue,
PartA_Tags = this.dummyPartATagsValue,
PartB_ExceptionData = new
{
// The properties and layout should be the same as ExceptionData_types.cs
dummyExceptionData.ver,
exceptions = new[]
{
new
{
// The properties and layout should be the same as ExceptionDetails_types.cs
dummyExceptionDetails.id,
dummyExceptionDetails.outerId,
dummyExceptionDetails.typeName,
dummyExceptionDetails.message,
dummyExceptionDetails.hasFullStack,
dummyExceptionDetails.stack,
parsedStack = new[]
{
new
{
// The properties and layout should be the same as StackFrame_types.cs
dummyStackFrame.level,
dummyStackFrame.method,
dummyStackFrame.assembly,
dummyStackFrame.fileName,
dummyStackFrame.line,
},
}.AsEnumerable(),
},
}.AsEnumerable(),
dummyExceptionData.severityLevel,
dummyExceptionData.problemId,
dummyExceptionData.properties,
dummyExceptionData.measurements,
},
PartA_flags = this.dummyPartAFlagsValue,
}.GetType());
return((item) =>
{
if (this.EventSourceInternal.IsEnabled(EventLevel.Verbose, keywords))
{
var telemetryItem = item as ExceptionTelemetry;
CopyGlobalPropertiesIfRequired(item, telemetryItem.Properties);
item.Sanitize();
var data = telemetryItem.Data.Data;
var extendedData = new
{
// The properties and layout should be the same as the anonymous type in the above MakeGenericMethod
PartA_iKey = telemetryItem.Context.InstrumentationKey,
PartA_Tags = telemetryItem.Context.SanitizedTags,
PartB_ExceptionData = new
{
data.ver,
exceptions = data.exceptions.Select(i => new
{
i.id,
i.outerId,
i.typeName,
i.message,
i.hasFullStack,
i.stack,
parsedStack = i.parsedStack.Select(j => new
{
j.level,
j.method,
j.assembly,
j.fileName,
j.line,
}),
}),
data.severityLevel,
data.problemId,
data.properties,
data.measurements,
},
PartA_flags = telemetryItem.Context.Flags,
};
writeMethod.Invoke(eventSource, new object[] { ExceptionTelemetry.TelemetryName, eventSourceOptions, extendedData });
}
});
}
private static void SerializeStackFrame(StackFrame frame, IJsonWriter writer)
{
writer.WriteProperty("level", frame.level);
writer.WriteProperty(
"method",
Utils.PopulateRequiredStringValue(frame.method, "StackFrameMethod", typeof(ExceptionTelemetry).FullName));
writer.WriteProperty("assembly", frame.assembly);
writer.WriteProperty("fileName", frame.fileName);
// 0 means it is unavailable
if (frame.line != 0)
{
writer.WriteProperty("line", frame.line);
}
}