/**
* $RCSfile$
* $Revision: 1379 $
* $Date: 2005-05-23 15:38:09 -0300 (Mon, 23 May 2005) $
*
* Copyright (C) 2004-2008 Jive Software. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.openfire.net;
import java.io.IOException;
import java.util.Map;
import java.util.TimerTask;
import javax.jmdns.JmDNS;
import javax.jmdns.ServiceInfo;
import org.jivesoftware.openfire.ServerPort;
import org.jivesoftware.openfire.XMPPServer;
import org.jivesoftware.openfire.XMPPServerInfo;
import org.jivesoftware.openfire.container.BasicModule;
import org.jivesoftware.util.JiveGlobals;
import org.jivesoftware.util.PropertyEventDispatcher;
import org.jivesoftware.util.PropertyEventListener;
import org.jivesoftware.util.TaskEngine;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* 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 static final Logger Log = LoggerFactory.getLogger(MulticastDNSService.class);
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) {
}
});
}
@Override
public void initialize(XMPPServer server) {
}
@Override
public void start() throws IllegalStateException {
// If the service isn't enabled, return.
if (!JiveGlobals.getBooleanProperty("multicastDNS.enabled", false) ) {
return;
}
TimerTask startService = new TimerTask() {
@Override
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.getMessage(), ioe);
}
}
};
// Schedule the task to run in 5 seconds, to give Wildire time to start the ports.
TaskEngine.getInstance().schedule(startService, 5000);
}
@Override
public void stop() {
if (jmdns != null) {
try {
jmdns.close();
}
catch (Exception e) {
// Ignore.
}
}
}
@Override
public void destroy() {
if (jmdns != null) {
jmdns = null;
}
}
}