private DiagnosticSourceAdapter(DiagnosticSourceAdapterOptions options)
{
_options = options;
_metric = Metrics.WithCustomRegistry(options.Registry)
.CreateCounter("diagnostic_events_total", "Total count of events received via the DiagnosticSource infrastructure.", new CounterConfiguration
{
LabelNames = new[]
{
"source", // Name of the DiagnosticSource
"event" // Name of the event
}
});
var newListenerObserver = new NewListenerObserver(OnNewListener);
_newListenerSubscription = DiagnosticListener.AllListeners.Subscribe(newListenerObserver);
}
/// <summary> /// Starts listening for DiagnosticSource events and reporting them as Prometheus metrics. /// Dispose of the return value to stop listening. /// </summary> public static IDisposable StartListening(DiagnosticSourceAdapterOptions options) => new DiagnosticSourceAdapter(options);
