/// <summary>Creates an XmppEdge.</summary>
public override void CreateEdgeTo(TransportAddress ta, EdgeCreationCallback ecb)
{
if (_ready == 0)
{
ecb(false, null, new Exception("Xmpp is not authenticated"));
}
XmppTransportAddress xta = ta as XmppTransportAddress;
if (xta == null)
{
ecb(false, null, new Exception("TA Type is not Xmpp!"));
return;
}
else if (!_xmpp.IsUserOnline(xta.JID))
{
ecb(false, null, new Exception("Xmpp user, " + xta.JID + ", is not online."));
return;
}
XmppEdge xe = new XmppEdge(this, _local_ta, xta, false);
_it.Add(xe);
xe.CloseEvent += CloseHandler;
ecb(true, xe, null);
}
/// <summary>Used to send data over Xmpp using the specified XmppEdge.</summary>
public void HandleEdgeSend(Edge from, ICopyable data)
{
XmppEdge xe = from as XmppEdge;
byte[] msg = new byte[xe.Header.Length + data.Length];
xe.Header.CopyTo(msg, 0);
data.CopyTo(msg, xe.Header.Length);
_xmpp.SendTo(new XmppRelay(new XmlDocument(), msg), xe.To);
}
/// <summary>Remove closed XmppEdges from the IdentifierTable.</summary>
protected void CloseHandler(object o, EventArgs ea)
{
XmppEdge xe = o as XmppEdge;
if (xe != null)
{
_it.Remove(xe.LocalID);
}
}
/// <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);
}
/// <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);
}
/// <summary>Creates an XmppEdge.</summary>
public override void CreateEdgeTo(TransportAddress ta, EdgeCreationCallback ecb)
{
if(_ready == 0) {
ecb(false, null, new Exception("Xmpp is not authenticated"));
}
XmppTransportAddress xta = ta as XmppTransportAddress;
if(xta == null) {
ecb(false, null, new Exception("TA Type is not Xmpp!"));
return;
} else if(!_xmpp.IsUserOnline(xta.JID)) {
ecb(false, null, new Exception("Xmpp user, " + xta.JID + ", is not online."));
return;
}
XmppEdge xe = new XmppEdge(this, _local_ta, xta, false);
_it.Add(xe);
xe.CloseEvent += CloseHandler;
ecb(true, xe, null);
}