public void OnNext(object diagnosticListenerInstance)
{
if (_diagnosticListenerObserver == null)
{
return;
}
DiagnosticListenerStub diagnosticListenerStub;
try
{
diagnosticListenerStub = DiagnosticListenerStub.Wrap(diagnosticListenerInstance);
}
catch (Exception ex)
{
Log.Error(ErrorUtil.DynamicInvokerLogComponentMoniker,
$" {nameof(_diagnosticListenerObserver)}.{nameof(OnNext)}(..) cannot be invoked:"
+ $" Could not create a {nameof(DiagnosticListenerStub)} for the {nameof(diagnosticListenerInstance)}"
+ $" instance passed into {nameof(OnNext)}(..). Does it have the wrong runtime type?"
+ $" Such a type mismatch should never happen becasue we use IObserver<object> where an"
+ $" IObserver<DiagnosticListener> was expected, so the passed instance should always be of type"
+ $" 'DiagnosticListener'. See earlier logged error for detailed type info.",
ex);
return;
}
try
{
_diagnosticListenerObserver.OnNext(diagnosticListenerStub);
}
catch (Exception ex)
{
throw LogAndRethrowEscapedError(ex, nameof(OnNext));
}
}
internal static bool TryWrap(object diagnosticListenerInstance, out DiagnosticListenerStub diagnosticListenerStub)
{
if (diagnosticListenerInstance == null)
{
diagnosticListenerStub = NoOpSingeltons.DiagnosticListenerStub;
return(true);
}
DynamicInvoker_DiagnosticListener invoker = DynamicInvoker.Current.DiagnosticListener;
if (invoker != null && invoker.TryGetInvokerHandleForInstance(diagnosticListenerInstance, out DynamicInvokerHandle <DynamicInvoker_DiagnosticListener> handle))
{
diagnosticListenerStub = new DiagnosticListenerStub(diagnosticListenerInstance, handle);
return(true);
}
else
{
diagnosticListenerStub = NoOpSingeltons.DiagnosticListenerStub;
return(false);
}
}
public bool TryAsDiagnosticListener(out DiagnosticListenerStub diagnosticListener)
{
return(DiagnosticListenerStub.TryWrap(_diagnosticSourceInstance, out diagnosticListener));
}
