protected AmqpLink(AmqpSession session, AmqpLinkSettings linkSettings)
{
if (linkSettings == null)
{
throw new ArgumentNullException("linkSettings");
}
this.Session = session;
this.settings = linkSettings;
this.linkCredit = this.settings.TransferLimit;
this.settings.AutoSendFlow = this.linkCredit > 0;
this.syncRoot = new object();
Source source = (Source)this.settings.Source;
if (source != null)
{
this.defaultOutcome = source.DefaultOutcome;
}
if (this.defaultOutcome == null)
{
this.defaultOutcome = AmqpConstants.ReleasedOutcome;
}
this.unsettledMap = new Dictionary<ArraySegment<byte>, Delivery>(ByteArrayComparer.Instance);
this.pendingDeliveries = new SerializedWorker<Delivery>(this.TrySendDelivery, this.AbortDelivery, false);
session.AttachLink(this);
}
public IAsyncResult BeginDisposeMessage(ArraySegment<byte> deliveryTag, Outcome outcome, bool batchable, TimeSpan timeout, AsyncCallback callback, object state)
{
return new DisposeAsyncResult(this, deliveryTag, outcome, batchable, timeout, callback, state);
}
public DisposeAsyncResult(
ReceivingAmqpLink link,
ArraySegment<byte> deliveryTag,
Outcome outcome,
bool batchable,
TimeSpan timeout,
AsyncCallback callback,
object state)
: base(callback, state)
{
if (link.TryGetDelivery(deliveryTag, out this.delivery))
{
delivery.CompleteCallback = onDisposeComplete;
delivery.UserToken = this;
link.DisposeDelivery(delivery, false, outcome);
}
else
{
// Delivery tag not found
this.outcome = new Rejected() { Error = AmqpError.NotFound };
this.Complete(true);
}
}
static bool IsEqual(Outcome outcome1, Outcome outcome2)
{
if (outcome1 != null && outcome2 != null)
{
// TODO: how about the error messages
return outcome1.DescriptorCode == outcome2.DescriptorCode;
}
else
{
return outcome1 == null && outcome2 == null;
}
}