/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.mx.remoting.service;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.RemoteException;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.remote.JMXConnectorServer;
import javax.management.remote.JMXConnectorServerFactory;
import javax.management.remote.JMXServiceURL;
import org.jboss.logging.Logger;
import org.jboss.net.sockets.DefaultSocketFactory;
/**
* Service mbean for starting the JMX Remoting (JSR-160) connector server.
*
* @author <a href="mailto:tom.elrod@jboss.com">Tom Elrod</a>
* @author <a href="mailto:dimitris@jboss.org">Dimitris Andreadis</a>
*/
public class JMXConnectorServerService implements JMXConnectorServerServiceMBean
{
/**
* Default jndi path used to specify location of connector server.
* Value is '/jmxconnector'.
*/
public static final String JNDI_PATH_DEFAULT = "/jmxconnector";
private MBeanServer mbeanServer;
/** The interface to bind, useful for multi-homed hosts */
private InetAddress bindAddress;
private int registryPort = Registry.REGISTRY_PORT;
private String jndiPath = JNDI_PATH_DEFAULT;
private JMXConnectorServer connectorServer = null;
private Registry rmiRegistry = null;
private static final Logger log = Logger.getLogger(JMXConnectorServerService.class);
public void setRegistryPort(int registryPort)
{
this.registryPort = registryPort;
}
public int getRegistryPort()
{
return registryPort;
}
public void setBindAddress(String bindAddress) throws UnknownHostException
{
this.bindAddress = toInetAddress(bindAddress);
}
public String getBindAddress()
{
if (bindAddress != null)
return bindAddress.getHostAddress();
else
return null;
}
public String getJndiPath()
{
return jndiPath;
}
public void setJndiPath(String jndiPath)
{
this.jndiPath = jndiPath;
}
public void create() throws Exception
{
// do nothing, putting code in start
}
public void start() throws Exception
{
// the address to expose in the urls
String host = System.getProperty("java.rmi.server.hostname");
// check to see if registry already created
rmiRegistry = LocateRegistry.getRegistry(host, registryPort);
if (rmiRegistry != null)
{
try
{
rmiRegistry.list();
}
catch(RemoteException e)
{
log.debug("No registry running at host '" + host +
"', port '" + registryPort + "'. Will create one.");
rmiRegistry = LocateRegistry.createRegistry(registryPort, null, new DefaultSocketFactory(bindAddress));
}
}
else
{
rmiRegistry = LocateRegistry.createRegistry(registryPort, null, new DefaultSocketFactory(bindAddress));
}
String serviceURL = "service:jmx:rmi://" + host + "/jndi/rmi://" + host + ":" + registryPort + jndiPath;
JMXServiceURL url = new JMXServiceURL(serviceURL);
// create new connector server and start it
connectorServer = JMXConnectorServerFactory.newJMXConnectorServer(url, null, mbeanServer);
connectorServer.start();
log.info("JMX Connector server: " + serviceURL);
}
public void stop() throws IOException
{
if(connectorServer != null)
{
connectorServer.stop();
}
}
public void destroy()
{
// do nothing, putting code in stop
}
public ObjectName preRegister(MBeanServer mBeanServer, ObjectName objectName) throws Exception
{
this.mbeanServer = mBeanServer;
return objectName;
}
public void postRegister(Boolean aBoolean)
{
// no op, needed for MBeanRegistration interface
}
public void preDeregister() throws Exception
{
// no op, needed for MBeanRegistration interface
}
public void postDeregister()
{
// no op, needed for MBeanRegistration interface
}
/**
* Safely convert a host string to InetAddress or null
*/
private InetAddress toInetAddress(String host) throws UnknownHostException
{
if (host == null || host.length() == 0)
return null;
else
return InetAddress.getByName(host);
}
}