internal IndividualDiagnosticSourceListener(DiagnosticListener diagnosticListener, IDiagnosticEventHandler eventHandler, DiagnosticSourceListenerBase <TContext> telemetryDiagnosticSourceListener, TContext context)
{
this.diagnosticListener = diagnosticListener;
this.eventHandler = eventHandler;
this.Context = context;
this.telemetryDiagnosticSourceListener = telemetryDiagnosticSourceListener;
}
internal IndividualDiagnosticSourceListener(
DiagnosticListener diagnosticListener,
IDiagnosticEventHandler eventHandler,
DiagnosticSourceListenerBase <TContext> telemetryDiagnosticSourceListener,
TContext context,
ActiveSubsciptionManager subscriptionManager)
{
this.diagnosticListener = diagnosticListener;
this.eventHandler = eventHandler;
this.Context = context;
this.telemetryDiagnosticSourceListener = telemetryDiagnosticSourceListener;
this.subscriptionManager = subscriptionManager;
this.subscriptionManager.Attach(this);
}
/// <summary>
/// This method gets called once for each existing DiagnosticListener when this
/// DiagnosticListener is added to the list of DiagnosticListeners
/// (<see cref="System.Diagnostics.DiagnosticListener.AllListeners"/>). This method will
/// also be called for each subsequent DiagnosticListener that is added to the list of
/// DiagnosticListeners.
/// <seealso cref="IObserver{T}.OnNext(T)"/>
/// </summary>
/// <param name="value">The DiagnosticListener that exists when this listener was added to
/// the list, or a DiagnosticListener that got added after this listener was added.</param>
public virtual void OnNext(DiagnosticListener value)
{
if (value == null || !this.IsSourceEnabled(value))
{
return;
}
IDiagnosticEventHandler eventHandler = this.GetEventHandler(value.Name);
var individualListener = new IndividualDiagnosticSourceListener(value, eventHandler, this, this.GetListenerContext(value));
IDisposable subscription = value.Subscribe(
individualListener,
(evnt, input1, input2) => this.IsActivityEnabled(evnt, individualListener.Context) && eventHandler.IsEventEnabled(evnt, input1, input2));
if (this.individualSubscriptions == null)
{
this.individualSubscriptions = new List <IDisposable>();
}
this.individualSubscriptions.Add(subscription);
}
internal void RegisterHandler(string diagnosticSourceName, IDiagnosticEventHandler eventHandler)
{
this.customEventHandlers[diagnosticSourceName] = eventHandler;
}
