/**
* Helios, OpenSource Monitoring
* Brought to you by the Helios Development Group
*
* Copyright 2007, Helios Development Group 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.helios.netty.jmx;
import java.io.IOException;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.server.RMISocketFactory;
import java.util.Collections;
import java.util.Map;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.remote.JMXConnectorServer;
import javax.management.remote.JMXConnectorServerFactory;
import javax.management.remote.JMXServiceURL;
/**
* <p>Title: JMXHelper</p>
* <p>Description: Static JMX Utility methods</p>
* <p>Company: Helios Development Group LLC</p>
* @author Whitehead (nwhitehead AT heliosdev DOT org)
* <p><code>org.helios.netty.jmx.JMXHelper</code></p>
*/
public class JMXHelper {
/**
* Creates a JMX ObjectName from the passed string
* @param str The object name text
* @return a JMX ObjectName
*/
public static ObjectName objectName(CharSequence str) {
if(str==null) throw new IllegalArgumentException("The passed string was null", new Throwable());
try {
return new ObjectName(str.toString());
} catch (Exception e) {
throw new RuntimeException("Failed to create object name for [" + str + "]");
}
}
/**
* Creates, registers and starts a JMXConnectorServer
* @param bindInterface The interface to bind to
* @param serviceURL The JMXService URL
* @param server The MBeanServer to expose
*/
public static void fireUpJMXServer(final String bindInterface, final int serverSocketBacklog, CharSequence serviceURL, MBeanServer server) {
try {
fireUpJMXServer(bindInterface, serverSocketBacklog, new JMXServiceURL(serviceURL.toString()), server);
} catch (Exception e) {
throw new RuntimeException("Failed to start JMXServer on [" + serviceURL + "]", e);
}
}
/**
* Creates, registers and starts a JMXConnectorServer
* @param bindInterface The interface to bind to
* @param serviceURL The JMXService URL
* @param server The MBeanServer to expose
*/
public static void fireUpJMXServer(final String bindInterface, final int serverSocketBacklog, JMXServiceURL serviceURL, MBeanServer server) {
try {
Map<String, Object> env = Collections.singletonMap("jmx.remote.rmi.server.socket.factory", (Object)new RMISocketFactory(){
public ServerSocket createServerSocket(int port) throws IOException {
return new ServerSocket(port, serverSocketBacklog, InetAddress.getByName(bindInterface));
}
public Socket createSocket(String host, int port) throws IOException {
return new Socket(host, port);
}
});
JMXConnectorServer jmxServer = JMXConnectorServerFactory.newJMXConnectorServer(serviceURL, env, server);
server.registerMBean(jmxServer, JMXHelper.objectName("org.helios.netty:service=JMXConnectorServer,url=" + ObjectName.quote(serviceURL.toString())));
jmxServer.start();
} catch (Exception e) {
throw new RuntimeException("Failed to start JMXServer on [" + serviceURL + "]", e);
}
}
public static void fireUpRMIRegistry(final String bindInterface, final int port) {
try {
LocateRegistry.createRegistry(port);
} catch (Exception e) {
throw new RuntimeException("Failed to start RMIRegistry on [" + bindInterface + ":" + port + "]", e);
}
}
}