/// <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;
}
var eventHandler = this.GetEventHandler(value.Name);
var manager = SubscriptionManagers.GetOrAdd(value.Name, k => new ActiveSubsciptionManager());
var individualListener = new IndividualDiagnosticSourceListener(
value,
eventHandler,
this,
this.GetListenerContext(value),
manager);
manager.Attach(individualListener);
IDisposable subscription = value.Subscribe(
individualListener,
(evnt, input1, input2) => this.IsActivityEnabled(evnt, individualListener.Context) && eventHandler.IsEventEnabled(evnt, input1, input2));
this.individualSubscriptions.Enqueue(subscription);
this.individualListeners.Enqueue(individualListener);
}
/// <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;
}
var individualListener = new IndividualDiagnosticSourceListener(value, this, this.GetListenerContext(value));
IDisposable subscription = value.Subscribe(
individualListener,
(evnt, input1, input2) => this.IsEventEnabled(evnt, input1, input2, value, individualListener.Context));
if (this.individualSubscriptions == null)
{
this.individualSubscriptions = new List <IDisposable>();
}
this.individualSubscriptions.Add(subscription);
}
