/** * $RCSfile$ * $Revision: 1379 $ * $Date: 2005-05-23 15:38:09 -0300 (Mon, 23 May 2005) $ * * Copyright (C) 2004-2008 Jive Software. All rights reserved. * * This software is published under the terms of the GNU Public License (GPL), * a copy of which is included in this distribution, or a commercial license * agreement with Jive. */ package org.jivesoftware.openfire.net; import org.jivesoftware.util.*; import org.jivesoftware.openfire.ServerPort; import org.jivesoftware.openfire.XMPPServer; import org.jivesoftware.openfire.XMPPServerInfo; import org.jivesoftware.openfire.container.BasicModule; import javax.jmdns.JmDNS; import javax.jmdns.ServiceInfo; import java.io.IOException; import java.util.Map; import java.util.TimerTask; /** * Publishes Openfire information as a service using the Multicast DNS (marketed by Apple * as Rendezvous) protocol. This lets other nodes on the local network to discover * the name and port of Openfire.<p> * * The multicast DNS entries published:<ul> * <li>Client connections: type of "_xmpp-client._tcp.local.". * <li>Component connections: type of "_xmpp-component._tcp.local.". * </ul> * * @author Matt Tucker */ public class MulticastDNSService extends BasicModule { private JmDNS jmdns; public MulticastDNSService() { super("Multicast DNS Service"); PropertyEventDispatcher.addListener(new PropertyEventListener() { public void propertySet(String property, Map params) { // Restart the service if component settings changes. if (property.equals("xmpp.component.socket.active") || property.equals(" xmpp.component.socket.port")) { stop(); start(); } } public void propertyDeleted(String property, Map params) { // Restart the service if component settings changes. if (property.equals("xmpp.component.socket.active") || property.equals(" xmpp.component.socket.port")) { stop(); start(); } } public void xmlPropertySet(String property, Map params) { } public void xmlPropertyDeleted(String property, Map params) { } }); } public void initialize(XMPPServer server) { } public void start() throws IllegalStateException { // If the service isn't enabled, return. if (!JiveGlobals.getBooleanProperty("multicastDNS.enabled", false) ) { return; } TimerTask startService = new TimerTask() { public void run() { XMPPServerInfo info = XMPPServer.getInstance().getServerInfo(); int clientPortNum = -1; int componentPortNum = -1; for (ServerPort port : info.getServerPorts()) { if (port.isClientPort()) { clientPortNum = port.getPort(); } else if (port.isComponentPort()) { componentPortNum = port.getPort(); } } try { if (jmdns == null) { jmdns = new JmDNS(); } String serverName = XMPPServer.getInstance().getServerInfo().getXMPPDomain(); if (clientPortNum != -1) { ServiceInfo clientService = new ServiceInfo("_xmpp-client._tcp.local.", serverName + "._xmpp-client._tcp.local.", clientPortNum, "XMPP Server"); jmdns.registerService(clientService); } if (componentPortNum != -1) { ServiceInfo componentService = new ServiceInfo("_xmpp-component._tcp.local.", serverName + "._xmpp-component._tcp.local.", componentPortNum, "XMPP Component Server"); jmdns.registerService(componentService); } } catch (IOException ioe) { Log.error(ioe); } } }; // Schedule the task to run in 5 seconds, to give Wildire time to start the ports. TaskEngine.getInstance().schedule(startService, 5000); } public void stop() { if (jmdns != null) { try { jmdns.close(); } catch (Exception e) { // Ignore. } } } public void destroy() { if (jmdns != null) { jmdns = null; } } }