public ClientSessionConnection(
String connectionManagerName, String hostName, String hostAddress) {
this.connectionManagerName = connectionManagerName;
multiplexerManager = ConnectionMultiplexerManager.getInstance();
serverName = XMPPServer.getInstance().getServerInfo().getXMPPDomain();
this.hostName = hostName;
this.hostAddress = hostAddress;
}
@Override
public String getHostName() throws UnknownHostException {
if (hostName != null) {
return hostName;
}
// Return IP address of the connection manager that the client used to log in
ConnectionMultiplexerSession multiplexerSession =
multiplexerManager.getMultiplexerSession(connectionManagerName);
if (multiplexerSession != null) {
return multiplexerSession.getHostName();
}
return null;
}
/**
* If the Connection Manager or the Client requested to close the connection then just do nothing.
* But if the server originated the request to close the connection then we need to send to the
* Connection Manager a packet letting him know that the Client Session needs to be terminated.
*/
@Override
public void closeVirtualConnection() {
// Figure out who requested the connection to be closed
String streamID = session.getStreamID().getID();
if (multiplexerManager.getClientSession(connectionManagerName, streamID) == null) {
// Client or Connection manager requested to close the session
// Do nothing since it has already been removed and closed
} else {
ConnectionMultiplexerSession multiplexerSession =
multiplexerManager.getMultiplexerSession(connectionManagerName, streamID);
if (multiplexerSession != null) {
// Server requested to close the client session so let the connection manager
// know that he has to finish the client session
IQ closeRequest = new IQ(IQ.Type.set);
closeRequest.setFrom(serverName);
closeRequest.setTo(connectionManagerName);
Element child =
closeRequest.setChildElement("session", "http://jabber.org/protocol/connectionmanager");
child.addAttribute("id", streamID);
child.addElement("close");
multiplexerSession.process(closeRequest);
}
}
}
/**
* Delivers the packet to the Connection Manager that in turn will forward it to the target user.
* Connection Managers may have one or many connections to the server so just get any connection
* to the Connection Manager (uses a random) and use it.
*
* <p>If the packet to send does not have a TO attribute then wrap the packet with a special IQ
* packet. The wrapper IQ packet will be sent to the Connection Manager and the stream ID of this
* Client Session will be used for identifying that the wrapped packet must be sent to the
* connected user. Since some packets can be exchanged before the user has a binded JID we need to
* use the stream ID as the unique identifier.
*
* @param packet the packet to send to the user.
*/
@Override
public void deliver(Packet packet) {
String streamID = session.getStreamID().getID();
ConnectionMultiplexerSession multiplexerSession =
multiplexerManager.getMultiplexerSession(connectionManagerName, streamID);
if (multiplexerSession != null) {
// Wrap packet so that the connection manager can figure out the target session
Route wrapper = new Route(streamID);
wrapper.setFrom(serverName);
wrapper.setTo(connectionManagerName);
wrapper.setChildElement(packet.getElement().createCopy());
// Deliver wrapper
multiplexerSession.process(wrapper);
session.incrementServerPacketCount();
}
}
/**
* Delivers the stanza to the Connection Manager that in turn will forward it to the target user.
* Connection Managers may have one or many connections to the server so just get any connection
* to the Connection Manager (uses a random) and use it.
*
* <p>The stanza to send wrapped with a special IQ packet. The wrapper IQ packet will be sent to
* the Connection Manager and the stream ID of this Client Session will be used for identifying
* that the wrapped stanza must be sent to the connected user.
*
* @param text the stanza to send to the user.
*/
@Override
public void deliverRawText(String text) {
String streamID = session.getStreamID().getID();
ConnectionMultiplexerSession multiplexerSession =
multiplexerManager.getMultiplexerSession(connectionManagerName, streamID);
if (multiplexerSession != null) {
// Wrap packet so that the connection manager can figure out the target session
StringBuilder sb = new StringBuilder(200 + text.length());
sb.append("<route from=\"").append(serverName);
sb.append("\" to=\"").append(connectionManagerName);
sb.append("\" streamid=\"").append(streamID).append("\">");
sb.append(text);
sb.append("</route>");
// Deliver the wrapped stanza
multiplexerSession.deliverRawText(sb.toString());
}
}
