/*
* Copyright (c) 2008-2009 Hyperic, Inc.
*
* 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.
*/
/* Copyright (C) [2004, 2005, 2006], Hyperic, Inc.
* This file is part of SIGAR.
*
* SIGAR is free software; you can redistribute it and/or modify
* it under the terms version 2 of the GNU General Public License as
* published by the Free Software Foundation. This program 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*/
package org.hyperic.sigar.cmd;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanInfo;
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.ObjectName;
import org.hyperic.sigar.SigarException;
import org.hyperic.sigar.jmx.SigarProcess;
public class Mx extends SigarCommandBase {
private ObjectName registryName;
public Mx(Shell shell) {
super(shell);
}
public Mx() {
super();
}
//java -Dcom.sun.management.jmxremote -jar sigar.jar
public String getUsageShort() {
return "Register MBeans for use via jconsole, etc.";
}
protected boolean validateArgs(String[] args) {
return args.length <= 1;
}
public static MBeanServer getMBeanServer()
throws SigarException {
List servers =
MBeanServerFactory.findMBeanServer(null);
if (servers.size() == 0) {
throw new SigarException("No MBeanServers available");
}
else {
return (MBeanServer)servers.get(0);
}
}
private void register(MBeanServer server) throws SigarException {
if (this.registryName != null) {
return;
}
try {
String name = org.hyperic.sigar.jmx.SigarRegistry.class.getName();
this.registryName = server.createMBean(name, null).getObjectName();
SigarProcess proc = new SigarProcess(this.sigar);
ObjectName pname = new ObjectName(proc.getObjectName());
if (!server.isRegistered(pname)) {
server.registerMBean(proc, pname);
}
} catch (Exception e) {
e.printStackTrace();
throw new SigarException(e.getMessage());
}
}
private void jconsole() {
String pid = String.valueOf(this.sigar.getPid());
String[] argv = { "jconsole", pid };
println("exec(jconsole, " + pid + ")");
try {
Process p = Runtime.getRuntime().exec(argv);
p.waitFor();
println("jconsole exited");
} catch (Exception e) {
println(e.getMessage());
}
}
public void output(String[] args) throws SigarException {
MBeanServer server = getMBeanServer();
register(server);
boolean hasQuery = false;
boolean launchJconsole = false;
String query = "sigar:*";
for (int i=0; i<args.length; i++) {
String arg = args[i];
if (arg.equals("-jconsole")) {
launchJconsole = true;
}
else {
query = arg;
hasQuery = true;
}
}
try {
Set beans =
server.queryNames(new ObjectName(query), null);
println(beans.size() + " MBeans are registered...");
for (Iterator it=beans.iterator(); it.hasNext();) {
ObjectName name = (ObjectName)it.next();
if (hasQuery) {
MBeanInfo info = server.getMBeanInfo(name);
MBeanAttributeInfo[] attrs = info.getAttributes();
for (int i=0; i<attrs.length; i++) {
String attr = attrs[i].getName();
Object val = server.getAttribute(name, attr);
println(name + ":" + attr + "=" + val);
}
}
else {
println(name.toString());
}
}
} catch (Exception e) {
throw new SigarException(e.getMessage());
}
if (launchJconsole) {
flush();
jconsole();
try { //test unregisterMBean
server.unregisterMBean(this.registryName);
this.registryName = null;
} catch (Exception e) {
e.printStackTrace();
}
}
}
public static void main(String[] args) throws Exception {
new Mx().processCommand(args);
}
}