Amqp.SenderLink.OnFlow C# (CSharp) Метод

        internal override void OnFlow(Flow flow)
        {
            Delivery delivery = null;
            lock (this.ThisLock)
            {
                this.credit = (flow.DeliveryCount + flow.LinkCredit) - this.deliveryCount;
                if (this.writing || this.credit <= 0 || this.outgoingList.First == null)
                {
                    return;
                }

                delivery = (Delivery)this.outgoingList.First;
                this.outgoingList.Remove(delivery);
                delivery.Tag = Delivery.GetDeliveryTag(this.deliveryCount);
                this.credit--;
                this.deliveryCount++;
                this.writing = true;
            }

            this.WriteDelivery(delivery);
        }