private void CreateRemoteEdge(SimulationEdge se_l)
{
int remote_id = se_l.RemoteID;
var el_map = GetEdgeListenerList(TAType);
if (!el_map.ContainsKey(remote_id))
{
return;
}
var remote = el_map[remote_id];
if (!remote.Nat.AllowingIncomingConnections)
{
return;
}
// Make sure that the remote listener does not deny our TAs.
foreach (TransportAddress ta_local in LocalTAs)
{
if (remote.TAAuth.Authorize(ta_local) == TAAuthorizer.Decision.Deny)
{
return;
}
}
SimulationEdge se_r = new SimulationEdge(remote, remote_id, LocalID, true,
se_l.Delay, _ta_type);
remote.AddEdge(se_r);
se_l.Partner = se_r;
se_r.Partner = se_l;
remote.SendEdgeEvent(se_r);
}
protected void CloseHandler(object edge, EventArgs ea)
{
SimulationEdge se = edge as SimulationEdge;
// Speed up GC
if (se.Partner != null)
{
se.Partner.Partner = null;
se.Partner = null;
}
_edges.Remove(se);
}
/*
* Implements the EdgeListener function to
* create edges of this type.
*/
public override void CreateEdgeTo(TransportAddress ta, EdgeCreationCallback ecb)
{
if (!IsStarted)
{
// it should return null and not throw an exception
// for graceful disconnect and preventing others to
// connect to us after we've disconnected.
ecb(false, null, new EdgeException("Not started"));
return;
}
else if (ta.TransportAddressType != this.TAType)
{
//Can't make an edge of this type
ecb(false, null, new EdgeException("Can't make edge of this type"));
return;
}
else if (_ta_auth.Authorize(ta) == TAAuthorizer.Decision.Deny)
{
//Not authorized. Can't make this edge:
ecb(false, null, new EdgeException(ta.ToString() + " is not authorized"));
return;
}
int remote_id = ((SimulationTransportAddress)ta).ID;
int real_remote_id = (remote_id >= 0) ? remote_id : ~remote_id;
//Outbound edge:
int delay = 0;
if (_use_delay)
{
if (LatencyMap != null)
{
int local = LocalID % LatencyMap.Count;
int remote = real_remote_id % LatencyMap.Count;
delay = LatencyMap[local][remote] / 1000;
}
else
{
delay = 100;
}
}
SimulationEdge se_l = new SimulationEdge(this, LocalID, remote_id, false, delay, _ta_type);
if (real_remote_id == remote_id)
{
CreateRemoteEdge(se_l);
}
ecb(true, se_l, null);
}
public void HandleEdgeSend(Edge from, ICopyable p)
{
SimulationEdge se_from = (SimulationEdge)from;
if (!Nat.Outgoing(se_from.RemoteTA))
{
return;
}
if (_ploss_prob > 0)
{
if (_rand.NextDouble() < _ploss_prob)
{
return;
}
}
MemBlock mb = p as MemBlock;
if (mb == null)
{
int offset = p.CopyTo(_ba.Buffer, _ba.Offset);
mb = MemBlock.Reference(_ba.Buffer, _ba.Offset, offset);
_ba.AdvanceBuffer(offset);
_bytes += offset;
}
SimulationEdge se_to = se_from.Partner;
if (se_to == null)
{
return;
}
if (!se_to.SimEL.Nat.Incoming(se_from.LocalTA))
{
return;
}
se_to.Push(mb);
}
