/// <summary>Where data packets prepended with a prepended subring come.
/// Here we receive data as well as create new SubringEdges.</summary>
public void HandleData(MemBlock data, ISender return_path, object state)
{
AHSender from = return_path as AHSender;
if (from == null)
{
return;
}
AHAddress target = (AHAddress)from.Destination;
MemBlock payload;
int local_id, remote_id;
_it.Parse(data, out payload, out local_id, out remote_id);
IIdentifierPair ip;
SubringEdge se;
if (_it.TryGet(local_id, remote_id, out ip))
{
se = ip as SubringEdge;
}
else if (local_id == 0)
{
if (!from.Node.Realm.Equals(_shared_node.Realm))
{
// We don't have matching realms
return;
}
var rem_sta = new SubringTransportAddress(target, from.Node.Realm);
se = new SubringEdge(_local_ta, rem_sta, true, from, _ptype);
_it.Add(se);
se.RemoteID = remote_id;
se.CloseEvent += CloseHandler;
SendEdgeEvent(se);
}
else
{
// Probably an edge closed earlier...
return;
}
se.ReceivedPacketEvent(payload);
}
override public void HandleData(MemBlock data, ISender return_path, object state)
{
if (return_path is SecurityAssociation)
{
Handle(data, return_path);
return;
}
MemBlock tmp = data.Slice(0, _ptype_mb.Length);
if (tmp.Equals(_ptype_mb))
{
data = data.Slice(_ptype_mb.Length);
}
MemBlock payload;
int localid, remoteid;
IIdentifierPair cp;
DtlsAssociation sa;
try {
_it.Parse(data, out payload, out localid, out remoteid);
_it.TryGet(localid, remoteid, out cp);
} catch (Exception e) {
ProtocolLog.WriteIf(ProtocolLog.SecurityExceptions, e.Message);
return;
}
if (cp != null)
{
sa = cp as DtlsAssociation;
}
else
{
NoSuchSA(return_path, remoteid, false, out sa);
_it.Add(sa);
sa.RemoteID = remoteid;
sa.Subscribe(this, null);
}
sa.HandleData(payload, return_path, null);
}
/// <summary>Got a packet from Xmpp.</summary>
protected void HandleData(Element msg, JID from)
{
// Speed in this method isn't key as we are going through a relay
XmppRelay xr = msg as XmppRelay;
if (xr == null)
{
return;
}
MemBlock payload;
int local_id, remote_id;
_it.Parse(xr.Data, out payload, out local_id, out remote_id);
IIdentifierPair ip;
XmppEdge xe;
if (_it.TryGet(local_id, remote_id, out ip))
{
xe = ip as XmppEdge;
}
else if (local_id == 0)
{
xe = new XmppEdge(this, _local_ta, new XmppTransportAddress(from), true);
_it.Add(xe);
xe.CloseEvent += CloseHandler;
xe.RemoteID = remote_id;
SendEdgeEvent(xe);
}
else
{
// Probably an edge closed earlier...
return;
}
xe.ReceivedPacketEvent(payload);
}
