/// <summary>
/// Called when handler entry expired. Removes from active list
/// and adds weak reference to expiry queue. When garbage collected
/// expired handlers are cleaned up.
/// </summary>
/// <param name="active"></param>
private void OnHandlerExpired(ActiveHandlerEntry active)
{
var removed = _activeHandlers.TryRemove(active.Name, out var found);
_expiredHandlers.Enqueue(new ExpiredHandlerEntry(active));
StartCleanupTimer();
}
/// <summary>
/// Called when handler entry expired. Removes from active list
/// and adds weak reference to expiry queue. When garbage collected
/// expired handlers are cleaned up.
/// </summary>
/// <param name="active"></param>
private void OnHandlerExpired(ActiveHandlerEntry active)
{
#pragma warning disable IDE0067 // Dispose objects before losing scope
_activeHandlers.TryRemove(active.Name, out _);
_expiredHandlers.Enqueue(new ExpiredHandlerEntry(active));
#pragma warning restore IDE0067 // Dispose objects before losing scope
StartCleanupTimer();
}
/// <inheritdoc/>
public System.Net.Http.HttpClient CreateClient(string resourceId)
{
if (resourceId == null)
{
throw new ArgumentNullException(nameof(resourceId));
}
// Get handler entry for client
var entry = _activeHandlers.GetOrAdd(resourceId,
key => ActiveHandlerEntry.Create(_factory, key, OnHandlerExpired));
return(new System.Net.Http.HttpClient(entry, false));
}
/// <summary>
/// Create entry
/// </summary>
/// <param name="other"></param>
public ExpiredHandlerEntry(ActiveHandlerEntry other)
{
Name = other.Name;
_livenessTracker = new WeakReference(other);
_innerHandler = other.InnerHandler;
}
