void OnFlow(Flow flow)
{
lock (this.ThisLock)
{
this.outgoingWindow = (uint)((flow.NextIncomingId + flow.IncomingWindow) - this.nextOutgoingId);
if (this.outgoingWindow > 0)
{
Delivery delivery = (Delivery)this.outgoingList.First;
while (delivery != null)
{
if (delivery.Buffer != null && delivery.Buffer.Length > 0)
{
break;
}
delivery = (Delivery)delivery.Next;
}
if (delivery != null)
{
this.WriteDelivery(delivery);
}
}
if (this.outgoingWindow == 0)
{
return;
}
}
if (flow.HasHandle)
{
this.GetLink(flow.Handle).OnFlow(flow);
}
}
internal override void OnFlow(Flow flow)
{
int delta = 0;
if (!role)
{
lock (this.ThisLock)
{
var theirLimit = (SequenceNumber)(flow.DeliveryCount + flow.LinkCredit);
var myLimit = this.deliveryCount + (SequenceNumber)this.credit;
delta = theirLimit - myLimit;
if (delta <= 0)
{
// peer reduced credit
this.credit = 0;
}
else
{
this.credit = (uint)delta;
}
}
}
if (this.linkEndpoint != null)
{
this.linkEndpoint.OnFlow(new FlowContext(this, delta, flow.Properties));
}
else if (delta != 0 && this.onCredit != null)
{
this.onCredit(delta, this.state);
}
}
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);
}
internal void SendFlow(Flow flow)
{
lock (this.ThisLock)
{
this.incomingWindow = defaultWindowSize;
flow.NextOutgoingId = this.nextOutgoingId;
flow.OutgoingWindow = this.outgoingWindow;
flow.NextIncomingId = this.nextIncomingId;
flow.IncomingWindow = this.incomingWindow;
this.SendCommand(flow);
}
}
internal override void OnFlow(Flow flow)
{
var theirLimit = (SequenceNumber)(flow.DeliveryCount + flow.LinkCredit);
var myLimit = (SequenceNumber)((uint)this.deliveryCount + this.credit);
int delta = theirLimit - myLimit;
if (this.linkEndpoint != null)
{
this.linkEndpoint.OnFlow(new FlowContext(this, delta, flow.Properties));
}
else if (delta > 0 && this.onCredit != null)
{
this.onCredit(delta, this.state);
}
}
internal void SendFlow(uint deliveryCount, uint credit, bool drain)
{
Flow flow = new Flow() { Handle = this.handle, DeliveryCount = deliveryCount, LinkCredit = credit, Drain = drain };
this.session.SendFlow(flow);
}
internal abstract void OnFlow(Flow flow);
internal override void OnFlow(Flow flow)
{
}
internal void SendFlow(uint deliveryCount, uint credit, bool drain)
{
lock (this.ThisLock)
{
if (!this.IsDetaching)
{
Flow flow = new Flow() { Handle = this.handle, DeliveryCount = deliveryCount, LinkCredit = credit, Drain = drain };
this.session.SendFlow(flow);
}
}
}
