public static Exception AssertAndFailFastService(string description)
{
Fx.Assert(description);
string failFastMessage = CommonResources.GetString(CommonResources.FailFastMessage, description);
// The catch is here to force the finally to run, as finallys don't run until the stack walk gets to a catch.
// The catch makes sure that the finally will run before the stack-walk leaves the frame, but the code inside is impossible to reach.
try
{
try
{
////MessagingClientEtwProvider.Provider.EventWriteFailFastOccurred(description);
Fx.Exception.TraceFailFast(failFastMessage);
// Mark that a FailFast is in progress, so that we can take ourselves out of the NLB if for
// any reason we can't kill ourselves quickly. Wait 15 seconds so this state gets picked up for sure.
Fx.FailFastInProgress = true;
#if !WINDOWS_UWP
Thread.Sleep(TimeSpan.FromSeconds(15));
#endif
}
finally
{
#if !WINDOWS_UWP
// ########################## NOTE ###########################
// Environment.FailFast does not collect crash dumps when used in Azure services.
// Environment.FailFast(failFastMessage);
// ################## WORKAROUND #############################
// Workaround for the issue above. Throwing an unhandled exception on a separate thread to trigger process crash and crash dump collection
// Throwing FatalException since our service does not morph/eat up fatal exceptions
// We should find the tracking bug in Azure for this issue, and remove the workaround when fixed by Azure
Thread failFastWorkaroundThread = new Thread(delegate()
{
throw new FatalException(failFastMessage);
});
failFastWorkaroundThread.Start();
failFastWorkaroundThread.Join();
#endif
}
}
catch
{
throw;
}
return(null); // we'll never get here since we've just fail-fasted
}
////public static DiagnosticTrace Trace
////{
//// get
//// {
//// if (diagnosticTrace == null)
//// {
//// diagnosticTrace = InitializeTracing();
//// }
//// return diagnosticTrace;
//// }
////}
public static byte[] AllocateByteArray(int size)
{
try
{
// Safe to catch OOM from this as long as the ONLY thing it does is a simple allocation of a primitive type (no method calls).
return(new byte[size]);
}
catch (OutOfMemoryException exception)
{
#if WINDOWS_UWP
// InsufficientMemoryException does not exit in UWP, fall back to OutOfMemoryException
throw Fx.Exception.AsError(new OutOfMemoryException(CommonResources.GetString(CommonResources.BufferAllocationFailed, size), exception));
#else
// Convert OOM into an exception that can be safely handled by higher layers.
throw Fx.Exception.AsError(new InsufficientMemoryException(CommonResources.GetString(CommonResources.BufferAllocationFailed, size), exception));
#endif
}
}
protected static void ThrowInvalidAsyncResult(IAsyncResult result)
{
throw Fx.Exception.AsError(new InvalidOperationException(CommonResources.GetString(CommonResources.InvalidAsyncResultImplementation, result.GetType())));
}
public ArgumentException ArgumentNullOrWhiteSpace(string paramName)
{
return(this.Argument(paramName, CommonResources.GetString(CommonResources.ArgumentNullOrWhiteSpace, paramName)));
}