/// <summary>
/// Adds frames and binaries from this exception and all inner exceptions to the given telemetry result.
/// </summary>
/// <param name="exception">The exception to examine.</param>
/// <param name="telemetry">The telemetry object to add the frames to.</param>
/// <param name="seenBinaries">The set of binaries we have already added to the frame list.</param>
/// <param name="exceptionMessages">The list of exception types and messages seen.</param>
/// <remarks>This will produce a flat list with no indication of which frame belongs to which exception. This is a workaround
/// for the fact that the server side only knows how to process a flat list.</remarks>
private static void AddExceptionInformation(Exception exception, CrashTelemetry telemetry, HashSet <long> seenBinaries, StringBuilder exceptionMessages)
{
if (exception.InnerException != null)
{
var aggregateException = exception as AggregateException;
if (aggregateException != null)
{
foreach (Exception innerException in aggregateException.InnerExceptions)
{
AddExceptionInformation(innerException, telemetry, seenBinaries, exceptionMessages);
}
}
else
{
AddExceptionInformation(exception.InnerException, telemetry, seenBinaries, exceptionMessages);
}
}
exceptionMessages.AppendLine(string.Format(CultureInfo.CurrentCulture, "{0}: {1}", exception.GetType().FullName, exception.Message));
StackTrace stackTrace = new StackTrace(exception, true);
var frames = stackTrace.GetFrames();
// stackTrace.GetFrames may return null (happened on Outlook Groups application).
// HasNativeImage() method invoke on first frame is required to understand whether an application is compiled in native tool chain
// and we can extract the frame addresses or not.
if (frames != null && frames.Length > 0 && frames[0].HasNativeImage())
{
foreach (StackFrame frame in stackTrace.GetFrames())
{
CrashTelemetryThreadFrame crashFrame = new CrashTelemetryThreadFrame
{
Address = string.Format(CultureInfo.InvariantCulture, "0x{0:x16}", frame.GetNativeIP().ToInt64())
};
telemetry.Threads[0].Frames.Add(crashFrame);
long nativeImageBase = frame.GetNativeImageBase().ToInt64();
if (seenBinaries.Contains(nativeImageBase) || nativeImageBase == 0)
{
continue;
}
PEImageReader reader = new PEImageReader(frame.GetNativeImageBase());
PEImageReader.CodeViewDebugData codeView = reader.Parse();
if (codeView == null)
{
continue;
}
CrashTelemetryBinary crashBinary = new CrashTelemetryBinary
{
StartAddress = string.Format(CultureInfo.InvariantCulture, "0x{0:x16}", nativeImageBase),
EndAddress = string.Format(CultureInfo.InvariantCulture, "0x{0:x16}", codeView.EndAddress.ToInt64()),
Uuid = string.Format(CultureInfo.InvariantCulture, "{0:N}-{1}", codeView.Signature, codeView.Age),
Path = codeView.PdbPath,
Name = string.IsNullOrEmpty(codeView.PdbPath) == false?Path.GetFileNameWithoutExtension(codeView.PdbPath) : null,
CpuType = GetProcessorArchitecture()
};
telemetry.Binaries.Add(crashBinary);
seenBinaries.Add(nativeImageBase);
}
}
}
/// <summary>
/// Creates <see cref="CrashTelemetry"/> instance.
/// </summary>
/// <param name="exception">The exception to initialize the class with.</param>
/// <param name="handledAt">Determines whether exception is handled or unhandled.</param>
public ITelemetry CreateCrashTelemetry(Exception exception, ExceptionHandledAt handledAt)
{
CrashTelemetry result = new CrashTelemetry();
result.HandledAt = handledAt;
result.Headers.Id = Guid.NewGuid().ToString("D");
result.Headers.CrashThreadId = Environment.CurrentManagedThreadId;
result.Headers.ExceptionType = exception.GetType().FullName;
result.Headers.ExceptionReason = exception.Message;
var description = string.Empty;
if (HockeyClient.Current.AsInternal().DescriptionLoader != null)
{
try
{
result.Attachments.Description = HockeyClient.Current.AsInternal().DescriptionLoader(exception);
}
catch (Exception ex)
{
CoreEventSource.Log.LogError("An exception occured in TelemetryConfiguration.Active.DescriptionLoader callback : " + ex);
}
}
CrashTelemetryThread thread = new CrashTelemetryThread {
Id = Environment.CurrentManagedThreadId
};
result.Threads.Add(thread);
HashSet <long> seenBinaries = new HashSet <long>();
StackTrace stackTrace = new StackTrace(exception, true);
var frames = stackTrace.GetFrames();
// stackTrace.GetFrames may return null (happened on Outlook Groups application).
// HasNativeImage() method invoke on first frame is required to understand whether an application is compiled in native tool chain
// and we can extract the frame addresses or not.
if (frames != null && frames.Length > 0 && frames[0].HasNativeImage())
{
foreach (StackFrame frame in stackTrace.GetFrames())
{
CrashTelemetryThreadFrame crashFrame = new CrashTelemetryThreadFrame
{
Address = string.Format(CultureInfo.InvariantCulture, "0x{0:x16}", frame.GetNativeIP().ToInt64())
};
thread.Frames.Add(crashFrame);
long nativeImageBase = frame.GetNativeImageBase().ToInt64();
if (seenBinaries.Contains(nativeImageBase) == true)
{
continue;
}
PEImageReader reader = new PEImageReader(frame.GetNativeImageBase());
PEImageReader.CodeViewDebugData codeView = reader.Parse();
if (codeView == null)
{
continue;
}
CrashTelemetryBinary crashBinary = new CrashTelemetryBinary
{
StartAddress = string.Format(CultureInfo.InvariantCulture, "0x{0:x16}", nativeImageBase),
EndAddress = string.Format(CultureInfo.InvariantCulture, "0x{0:x16}", codeView.EndAddress.ToInt64()),
Uuid = string.Format(CultureInfo.InvariantCulture, "{0:N}-{1}", codeView.Signature, codeView.Age),
Path = codeView.PdbPath,
Name = string.IsNullOrEmpty(codeView.PdbPath) == false?Path.GetFileNameWithoutExtension(codeView.PdbPath) : null,
CpuType = GetProcessorArchitecture()
};
result.Binaries.Add(crashBinary);
seenBinaries.Add(nativeImageBase);
}
}
result.StackTrace = GetStrackTrace(exception);
return(result);
}
