public void OnReceiveDisposition(Disposition disposition)
{
SequenceNumber first = disposition.First.Value;
SequenceNumber last = disposition.Last ?? first;
this.session.diagnostics.SetLastDisposition(last.Value);
bool settled = disposition.Settled();
for (SequenceNumber i = first; ; i.Increment())
{
Delivery delivery = this.GetDelivery(i);
if (delivery != null && delivery.Link != null)
{
delivery.Settled = settled;
delivery.State = disposition.State;
delivery.Link.OnDisposeDelivery(delivery);
}
if (i == last)
{
break;
}
}
if (settled)
{
this.Settle();
}
}
void DisposeAndSettle()
{
if (this.session.State != AmqpObjectState.Opened)
{
return;
}
bool needSettle = false;
SequenceNumber start;
SequenceNumber end;
lock (this.syncRoot)
{
start = this.unsettledLwm;
end = this.nextDeliveryId;
}
Disposition disposition = null;
for (; start != end; start.Increment())
{
Delivery firstDelivery = this.GetDelivery(start);
if (firstDelivery == null || !firstDelivery.StateChanged)
{
continue;
}
firstDelivery.StateChanged = false;
if (firstDelivery.Settled)
{
needSettle = true;
}
disposition = new Disposition();
disposition.First = start.Value;
disposition.Settled = firstDelivery.Settled;
disposition.State = firstDelivery.State;
disposition.Role = this.IsReceiver;
SequenceNumber last = start;
int count = 0;
for (last.Increment(); last != end; last.Increment())
{
Delivery lastDelivery = this.GetDelivery(last);
if (lastDelivery == null)
{
++count;
continue;
}
if (!lastDelivery.StateChanged ||
lastDelivery.Settled != firstDelivery.Settled ||
!IsEqual(lastDelivery.State as Outcome, firstDelivery.State as Outcome))
{
break;
}
lastDelivery.StateChanged = false;
++count;
}
if (count > 0)
{
disposition.Last = start + count;
start = disposition.Last.Value;
}
this.session.SendCommand(disposition);
}
if (needSettle)
{
this.Settle();
}
}
void OnReceiveDisposition(Disposition disposition)
{
if (disposition.Role.Value)
{
this.outgoingChannel.OnReceiveDisposition(disposition);
}
else
{
this.incomingChannel.OnReceiveDisposition(disposition);
}
this.diagnostics.ReceiveDisposition();
}