internal override void StartHandlerEntryTimer(ActiveHandlerTrackingEntry entry)
{
if (EnableExpiryTimer)
{
lock (ActiveEntryState)
{
if (ActiveEntryState.ContainsKey(entry))
{
// Timer already started.
return;
}
// Rather than using the actual timer on the actual entry, let's fake it with async.
var completionSource = new TaskCompletionSource <ActiveHandlerTrackingEntry>();
var expiryTask = completionSource.Task.ContinueWith(t =>
{
var e = t.Result;
ExpiryTimer_Tick(e);
lock (ActiveEntryState)
{
ActiveEntryState.Remove(e);
}
});
ActiveEntryState.Add(entry, (completionSource, expiryTask));
}
}
}
public ExpiredHandlerTrackingEntry(ActiveHandlerTrackingEntry other)
{
Name = other.Name;
_livenessTracker = new WeakReference(other.Handler);
InnerHandler = other.Handler.InnerHandler;
}
public HttpMessageHandler CreateHandler(string name)
{
ThrowHelper.ThrowIfNull(name);
ActiveHandlerTrackingEntry entry = _activeHandlers.GetOrAdd(name, _entryFactory).Value;
StartHandlerEntryTimer(entry);
return(entry.Handler);
}
public HttpMessageHandler CreateHandler(string name)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
ActiveHandlerTrackingEntry entry = _activeHandlers.GetOrAdd(name, _entryFactory).Value;
StartHandlerEntryTimer(entry);
return(entry.Handler);
}
// Internal so it can be overridden in tests
internal virtual void StartHandlerEntryTimer(ActiveHandlerTrackingEntry entry)
{
entry.StartExpiryTimer(_expiryCallback);
}