6b53043eea
6299231: Add support for named MBean Servers New javax.management.namespace package. Reviewed-by: emcmanus
715 lines
30 KiB
Java
715 lines
30 KiB
Java
/*
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* Copyright 2008 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/*
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*
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* @test JMXNamespaceTest.java
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* @summary General JMXNamespace test.
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* @author Daniel Fuchs
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* @run clean JMXNamespaceTest
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* Wombat WombatMBean JMXRemoteTargetNamespace
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* NamespaceController NamespaceControllerMBean
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* @compile -XDignore.symbol.file=true JMXNamespaceTest.java
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* Wombat.java WombatMBean.java JMXRemoteTargetNamespace.java
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* NamespaceController.java NamespaceControllerMBean.java
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* @run main/othervm JMXNamespaceTest
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*/
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import java.io.IOException;
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import java.lang.management.ManagementFactory;
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import java.lang.management.MemoryMXBean;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.logging.Logger;
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import javax.management.DynamicMBean;
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import javax.management.InstanceNotFoundException;
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import javax.management.InvalidAttributeValueException;
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import javax.management.JMX;
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import javax.management.MBeanServer;
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import javax.management.MBeanServerConnection;
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import javax.management.NotificationEmitter;
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import javax.management.ObjectInstance;
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import javax.management.ObjectName;
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import javax.management.RuntimeOperationsException;
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import javax.management.StandardMBean;
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import javax.management.namespace.JMXNamespaces;
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import javax.management.namespace.JMXNamespace;
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import javax.management.namespace.JMXNamespaceMBean;
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import javax.management.namespace.JMXRemoteNamespaceMBean;
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import javax.management.namespace.MBeanServerConnectionWrapper;
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import javax.management.namespace.MBeanServerSupport;
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import javax.management.remote.JMXConnector;
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import javax.management.remote.JMXConnectorFactory;
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import javax.management.remote.JMXConnectorServer;
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import javax.management.remote.JMXConnectorServerFactory;
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import javax.management.remote.JMXServiceURL;
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/**
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*
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* @author Sun Microsystems, Inc.
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*/
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public class JMXNamespaceTest {
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/**
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* A logger for this class.
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**/
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private static final Logger LOG =
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Logger.getLogger(JMXNamespaceTest.class.getName());
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/** Creates a new instance of JMXNamespaceTest */
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public JMXNamespaceTest() {
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}
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public static class WombatRepository extends MBeanServerSupport {
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final Wombat wombat;
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final StandardMBean mbean;
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final ObjectName wombatName;
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public WombatRepository(ObjectName wombatName) {
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try {
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wombat = new Wombat();
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mbean = wombat;
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this.wombatName = wombatName;
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wombat.preRegister(null,wombatName);
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} catch (Exception x) {
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throw new IllegalArgumentException(x);
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}
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}
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@Override
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public DynamicMBean getDynamicMBeanFor(ObjectName name)
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throws InstanceNotFoundException {
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if (wombatName.equals(name)) return mbean;
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else throw new InstanceNotFoundException(String.valueOf(name));
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}
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@Override
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protected Set<ObjectName> getNames() {
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final Set<ObjectName> res = Collections.singleton(wombatName);
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return res;
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}
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@Override
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public NotificationEmitter
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getNotificationEmitterFor(ObjectName name)
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throws InstanceNotFoundException {
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final DynamicMBean mb = getDynamicMBeanFor(name);
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if (mb instanceof NotificationEmitter)
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return (NotificationEmitter)mb;
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return null;
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}
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}
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public static class SimpleTest {
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public final String descr;
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private final Class<?> testClass;
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private final Method method;
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public SimpleTest(String descr) {
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this.descr = descr;
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this.testClass = JMXNamespaceTest.class;
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try {
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method = testClass.
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getDeclaredMethod(descr,SimpleTestConf.class,
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Object[].class);
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} catch (NoSuchMethodException x) {
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throw new IllegalArgumentException(descr+": test not found",
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x);
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}
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}
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public void run(SimpleTestConf conf, Object... args)
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throws Exception {
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try {
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method.invoke(null,conf,args);
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} catch (InvocationTargetException x) {
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final Throwable cause = x.getCause();
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if (cause instanceof Exception) throw (Exception)cause;
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if (cause instanceof Error) throw (Error)cause;
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throw x;
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}
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}
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}
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private static class SimpleTestConf {
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public final Wombat wombat;
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public final StandardMBean mbean;
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public final String dirname;
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public final ObjectName handlerName;
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public final ObjectName wombatNickName;
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public final ObjectName wombatName;
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public final JMXNamespace wombatNamespace;
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public final MBeanServer server;
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public final WombatMBean proxy;
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public SimpleTestConf(String[] args) throws Exception {
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wombat = new Wombat();
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mbean = wombat;
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dirname = "wombat";
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handlerName =
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new ObjectName(dirname+"//:type=JMXNamespace");
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wombatNickName =
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new ObjectName("burrow:type=Wombat");
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wombatName =
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new ObjectName(dirname+"//"+wombatNickName);
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wombatNamespace =
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new JMXNamespace(
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new WombatRepository(wombatNickName));
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server = ManagementFactory.getPlatformMBeanServer();
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System.out.println(handlerName+" registered="+
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server.isRegistered(handlerName));
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server.registerMBean(wombatNamespace,handlerName);
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try {
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proxy = JMX.newMBeanProxy(server,wombatName,
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WombatMBean.class);
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} catch (Exception x) {
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server.unregisterMBean(handlerName);
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throw x;
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}
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}
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public void close() {
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try {
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server.unregisterMBean(handlerName);
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} catch (Exception x) {
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System.out.println("Failed to close: " + x);
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x.printStackTrace();
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}
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}
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public void test(SimpleTest test,Object... args)
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throws Exception {
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try {
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test.run(this,args);
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passed++;
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} catch (Exception x) {
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failed++;
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System.err.println(test.descr+" failed: " + x);
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x.printStackTrace();
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}
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}
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public volatile int failed = 0;
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public volatile int passed = 0;
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}
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static void checkValue(String name,Object expected, Object returned)
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throws InvalidAttributeValueException {
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if (Collections.singletonList(expected).
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equals(Collections.singletonList(returned))) return;
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throw new InvalidAttributeValueException("Bad value for "+
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name+": ["+returned+"] - was expecting ["+expected+"]");
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}
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// ---------------------------------------------------------------
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// SIMPLE TESTS BEGIN HERE
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// ---------------------------------------------------------------
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static void getCaptionTest(SimpleTestConf env, Object... args)
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throws Exception {
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System.out.println(env.proxy.getCaption());
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}
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static void setCaptionTest(SimpleTestConf env, Object... args)
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throws Exception {
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env.proxy.setCaption((String)args[0]);
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final String result = env.proxy.getCaption();
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System.out.println(result);
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checkValue("Caption",args[0],result);
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}
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static void queryNamesTest1(SimpleTestConf env, Object... args)
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throws Exception {
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final ObjectName pat =
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new ObjectName(env.handlerName.getDomain()+"*:*");
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final Set<ObjectName> res =
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env.server.queryNames(pat,null);
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System.out.println("queryNamesTest1: "+res);
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checkValue("names",Collections.singleton(env.wombatName),res);
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}
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static void queryNamesTest2(SimpleTestConf env, Object... args)
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throws Exception {
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final ObjectName pat =
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new ObjectName("*:"+
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env.wombatName.getKeyPropertyListString());
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final Set<ObjectName> res =
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env.server.queryNames(pat,null);
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System.out.println("queryNamesTest2: "+res);
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checkValue("names",Collections.emptySet(),res);
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}
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static void getDomainsTest(SimpleTestConf env, Object... args)
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throws Exception {
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final List<String> domains =
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Arrays.asList(env.server.getDomains());
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System.out.println("getDomainsTest: "+domains);
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if (domains.contains(env.wombatName.getDomain()))
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throw new InvalidAttributeValueException("domain: "+
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env.wombatName.getDomain());
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if (!domains.contains(env.handlerName.getDomain()))
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throw new InvalidAttributeValueException("domain not found: "+
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env.handlerName.getDomain());
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}
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// ---------------------------------------------------------------
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// SIMPLE TESTS END HERE
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// ---------------------------------------------------------------
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private static void simpleTest(String[] args) {
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final SimpleTestConf conf;
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try {
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conf = new SimpleTestConf(args);
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try {
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conf.test(new SimpleTest("getCaptionTest"));
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conf.test(new SimpleTest("setCaptionTest"),
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"I am a new Wombat!");
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conf.test(new SimpleTest("queryNamesTest1"));
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conf.test(new SimpleTest("queryNamesTest2"));
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conf.test(new SimpleTest("getDomainsTest"));
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} finally {
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conf.close();
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}
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} catch (Exception x) {
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System.err.println("simpleTest FAILED: " +x);
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x.printStackTrace();
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throw new RuntimeException(x);
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}
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System.out.println("simpleTest: "+conf.passed+
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" PASSED, " + conf.failed + " FAILED.");
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if (conf.failed>0) {
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System.err.println("simpleTest FAILED ["+conf.failed+"]");
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throw new RuntimeException("simpleTest FAILED ["+conf.failed+"]");
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} else {
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System.err.println("simpleTest PASSED ["+conf.passed+"]");
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}
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}
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public static void recursiveTest(String[] args) {
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final SimpleTestConf conf;
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try {
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conf = new SimpleTestConf(args);
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try {
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final JMXServiceURL url =
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new JMXServiceURL("rmi","localHost",0);
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final Map<String,Object> empty = Collections.emptyMap();
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final JMXConnectorServer server =
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JMXConnectorServerFactory.newJMXConnectorServer(url,
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empty,conf.server);
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server.start();
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final JMXServiceURL address = server.getAddress();
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final JMXConnector client =
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JMXConnectorFactory.connect(address,
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empty);
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final String[] signature = {
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JMXServiceURL.class.getName(),
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Map.class.getName(),
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};
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final String[] signature2 = {
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JMXServiceURL.class.getName(),
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Map.class.getName(),
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String.class.getName(),
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};
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final Object[] params = {
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address,
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null,
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};
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final MBeanServerConnection c =
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client.getMBeanServerConnection();
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final ObjectName dirName1 =
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new ObjectName("kanga//:type=JMXNamespace");
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c.createMBean(JMXRemoteTargetNamespace.class.getName(),
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dirName1, params,signature);
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c.invoke(dirName1, "connect", null, null);
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try {
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final MemoryMXBean memory =
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JMX.newMXBeanProxy(c,
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new ObjectName("kanga//"+
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ManagementFactory.MEMORY_MXBEAN_NAME),
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MemoryMXBean.class);
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System.out.println("HeapMemory #1: "+
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memory.getHeapMemoryUsage().toString());
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final MemoryMXBean memory2 =
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JMX.newMXBeanProxy(c,
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new ObjectName("kanga//kanga//"+
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ManagementFactory.MEMORY_MXBEAN_NAME),
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MemoryMXBean.class);
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System.out.println("HeapMemory #2: "+
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memory2.getHeapMemoryUsage().toString());
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final Object[] params2 = {
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address,
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null,
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"kanga//kanga"
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// "kanga//kanga//roo//kanga", <= cycle
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};
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final ObjectName dirName2 =
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new ObjectName("kanga//roo//:type=JMXNamespace");
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c.createMBean(JMXRemoteTargetNamespace.class.getName(),
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dirName2, params2, signature2);
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System.out.println(dirName2 + " created!");
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JMX.newMBeanProxy(c,dirName2,
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JMXRemoteNamespaceMBean.class).connect();
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try {
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final ObjectName wombatName1 =
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new ObjectName("kanga//roo//"+conf.wombatName);
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final ObjectName wombatName2 =
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new ObjectName("kanga//roo//"+wombatName1);
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final WombatMBean wombat1 =
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JMX.newMBeanProxy(c,wombatName1,WombatMBean.class);
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final WombatMBean wombat2 =
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JMX.newMBeanProxy(c,wombatName2,WombatMBean.class);
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final String newCaption="I am still the same old wombat";
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wombat1.setCaption(newCaption);
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final String caps = conf.proxy.getCaption();
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System.out.println("Caption: "+caps);
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checkValue("Caption",newCaption,caps);
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final String caps1 = wombat1.getCaption();
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System.out.println("Caption #1: "+caps1);
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checkValue("Caption #1",newCaption,caps1);
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final String caps2 = wombat2.getCaption();
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System.out.println("Caption #2: "+caps2);
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checkValue("Caption #2",newCaption,caps2);
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final ObjectInstance instance =
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NamespaceController.createInstance(conf.server);
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final NamespaceControllerMBean controller =
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JMX.newMBeanProxy(conf.server,instance.getObjectName(),
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NamespaceControllerMBean.class);
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final String[] dirs = controller.findNamespaces();
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System.out.println("directories: " +
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Arrays.asList(dirs));
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final int depth = 4;
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final String[] dirs2 = controller.findNamespaces(null,null,depth);
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System.out.println("directories[depth="+depth+"]: " +
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Arrays.asList(dirs2));
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for (String dir : dirs2) {
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if (dir.endsWith(JMXNamespaces.NAMESPACE_SEPARATOR))
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dir = dir.substring(0,dir.length()-
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JMXNamespaces.NAMESPACE_SEPARATOR.length());
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if (dir.split(JMXNamespaces.NAMESPACE_SEPARATOR).length
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> (depth+1)) {
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throw new RuntimeException(dir+": depth exceeds "+depth);
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}
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final ObjectName handlerName =
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JMXNamespaces.getNamespaceObjectName(dir);
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final JMXNamespaceMBean handler =
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JMX.newMBeanProxy(conf.server,handlerName,
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JMXNamespaceMBean.class);
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try {
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System.err.println("Directory "+dir+" domains: "+
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Arrays.asList(handler.getDomains()));
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System.err.println("Directory "+dir+" default domain: "+
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handler.getDefaultDomain());
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System.err.println("Directory "+dir+" MBean count: "+
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handler.getMBeanCount());
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} catch(Exception x) {
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System.err.println("get info failed for " +
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dir +", "+handlerName+": "+x);
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x.getCause().printStackTrace();
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throw x;
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}
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}
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} finally {
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c.unregisterMBean(dirName2);
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}
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} finally {
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c.unregisterMBean(dirName1);
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client.close();
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server.stop();
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}
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} finally {
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conf.close();
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}
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System.err.println("recursiveTest PASSED");
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} catch (Exception x) {
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System.err.println("recursiveTest FAILED: " +x);
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x.printStackTrace();
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throw new RuntimeException(x);
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}
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}
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/**
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* Test cycle detection.
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* mkdir test ; cd test ; ln -s . kanga ; ln -s kanga/kanga/roo/kanga roo
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* touch kanga/roo/wombat
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**/
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public static void probeKangaRooTest(String[] args) {
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final SimpleTestConf conf;
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try {
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conf = new SimpleTestConf(args);
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try {
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final JMXServiceURL url =
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new JMXServiceURL("rmi","localHost",0);
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final Map<String,Object> empty = Collections.emptyMap();
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final JMXConnectorServer server =
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JMXConnectorServerFactory.newJMXConnectorServer(url,
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empty,conf.server);
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server.start();
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final JMXServiceURL address = server.getAddress();
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final JMXConnector client =
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JMXConnectorFactory.connect(address,
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empty);
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final String[] signature = {
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JMXServiceURL.class.getName(),
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Map.class.getName(),
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};
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final Object[] params = {
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address,
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null,
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};
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final MBeanServerConnection c =
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client.getMBeanServerConnection();
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// ln -s . kanga
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final ObjectName dirName1 =
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new ObjectName("kanga//:type=JMXNamespace");
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c.createMBean(JMXRemoteTargetNamespace.class.getName(),
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dirName1, params,signature);
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c.invoke(dirName1, "connect", null, null);
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try {
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// ln -s kanga//kanga//roo//kanga roo
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final JMXNamespace local = new JMXNamespace(
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new MBeanServerConnectionWrapper(null,
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JMXNamespaceTest.class.getClassLoader()){
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@Override
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protected MBeanServerConnection getMBeanServerConnection() {
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return JMXNamespaces.narrowToNamespace(c,
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"kanga//kanga//roo//kanga"
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);
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}
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});
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final ObjectName dirName2 =
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new ObjectName("roo//:type=JMXNamespace");
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conf.server.registerMBean(local,dirName2);
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System.out.println(dirName2 + " created!");
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try {
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// touch kanga/roo/wombat
|
|
final ObjectName wombatName1 =
|
|
new ObjectName("kanga//roo//"+conf.wombatName);
|
|
final WombatMBean wombat1 =
|
|
JMX.newMBeanProxy(c,wombatName1,WombatMBean.class);
|
|
final String newCaption="I am still the same old wombat";
|
|
Exception x = null;
|
|
try {
|
|
wombat1.setCaption(newCaption);
|
|
} catch (RuntimeOperationsException r) {
|
|
x=r.getTargetException();
|
|
System.out.println("Got expected exception: " + x);
|
|
// r.printStackTrace();
|
|
}
|
|
if (x == null)
|
|
throw new RuntimeException("cycle not detected!");
|
|
} finally {
|
|
c.unregisterMBean(dirName2);
|
|
}
|
|
} finally {
|
|
c.unregisterMBean(dirName1);
|
|
client.close();
|
|
server.stop();
|
|
}
|
|
} finally {
|
|
conf.close();
|
|
}
|
|
System.err.println("probeKangaRooTest PASSED");
|
|
} catch (Exception x) {
|
|
System.err.println("probeKangaRooTest FAILED: " +x);
|
|
x.printStackTrace();
|
|
throw new RuntimeException(x);
|
|
}
|
|
}
|
|
/**
|
|
* Test cycle detection 2.
|
|
* mkdir test ; cd test ; ln -s . roo ; ln -s roo/roo kanga
|
|
* touch kanga/roo/wombat ; rm roo ; ln -s kanga roo ;
|
|
* touch kanga/roo/wombat
|
|
*
|
|
**/
|
|
public static void probeKangaRooCycleTest(String[] args) {
|
|
final SimpleTestConf conf;
|
|
try {
|
|
conf = new SimpleTestConf(args);
|
|
Exception failed = null;
|
|
try {
|
|
final JMXServiceURL url =
|
|
new JMXServiceURL("rmi","localHost",0);
|
|
final Map<String,Object> empty = Collections.emptyMap();
|
|
final JMXConnectorServer server =
|
|
JMXConnectorServerFactory.newJMXConnectorServer(url,
|
|
empty,conf.server);
|
|
server.start();
|
|
final JMXServiceURL address = server.getAddress();
|
|
final JMXConnector client =
|
|
JMXConnectorFactory.connect(address,
|
|
empty);
|
|
final String[] signature = {
|
|
JMXServiceURL.class.getName(),
|
|
Map.class.getName(),
|
|
};
|
|
final String[] signature2 = {
|
|
JMXServiceURL.class.getName(),
|
|
Map.class.getName(),
|
|
String.class.getName()
|
|
};
|
|
final Object[] params = {
|
|
address,
|
|
Collections.emptyMap(),
|
|
};
|
|
final Object[] params2 = {
|
|
address,
|
|
null,
|
|
"kanga",
|
|
};
|
|
final MBeanServerConnection c =
|
|
client.getMBeanServerConnection();
|
|
|
|
// ln -s . roo
|
|
final ObjectName dirName1 =
|
|
new ObjectName("roo//:type=JMXNamespace");
|
|
c.createMBean(JMXRemoteTargetNamespace.class.getName(),
|
|
dirName1, params,signature);
|
|
c.invoke(dirName1, "connect",null,null);
|
|
try {
|
|
final Map<String,Object> emptyMap =
|
|
Collections.emptyMap();
|
|
final JMXNamespace local = new JMXNamespace(
|
|
new MBeanServerConnectionWrapper(
|
|
JMXNamespaces.narrowToNamespace(c,
|
|
"roo//roo//"),
|
|
JMXNamespaceTest.class.getClassLoader())) {
|
|
};
|
|
// ln -s roo/roo kanga
|
|
final ObjectName dirName2 =
|
|
new ObjectName("kanga//:type=JMXNamespace");
|
|
conf.server.registerMBean(local,dirName2);
|
|
System.out.println(dirName2 + " created!");
|
|
try {
|
|
// touch kanga/roo/wombat
|
|
final ObjectName wombatName1 =
|
|
new ObjectName("kanga//roo//"+conf.wombatName);
|
|
final WombatMBean wombat1 =
|
|
JMX.newMBeanProxy(c,wombatName1,WombatMBean.class);
|
|
final String newCaption="I am still the same old wombat";
|
|
wombat1.setCaption(newCaption);
|
|
// rm roo
|
|
c.unregisterMBean(dirName1);
|
|
// ln -s kanga roo
|
|
System.err.println("**** Creating " + dirName1 +
|
|
" ****");
|
|
c.createMBean(JMXRemoteTargetNamespace.class.getName(),
|
|
dirName1, params2,signature2);
|
|
System.err.println("**** Created " + dirName1 +
|
|
" ****");
|
|
Exception x = null;
|
|
try {
|
|
// touch kanga/roo/wombat
|
|
wombat1.setCaption(newCaption+" I hope");
|
|
} catch (RuntimeOperationsException r) {
|
|
x=(Exception)r.getCause();
|
|
System.out.println("Got expected exception: " + x);
|
|
//r.printStackTrace();
|
|
}
|
|
if (x == null)
|
|
throw new RuntimeException("should have failed!");
|
|
x = null;
|
|
try {
|
|
// ls kanga/roo/wombat
|
|
System.err.println("**** Connecting " + dirName1 +
|
|
" ****");
|
|
JMX.newMBeanProxy(c,dirName1,
|
|
JMXRemoteNamespaceMBean.class).connect();
|
|
System.err.println("**** Connected " + dirName1 +
|
|
" ****");
|
|
} catch (IOException r) {
|
|
x=r;
|
|
System.out.println("Got expected exception: " + x);
|
|
//r.printStackTrace();
|
|
}
|
|
System.err.println("**** Expected Exception Not Raised ****");
|
|
if (x == null) {
|
|
System.out.println(dirName1+" contains: "+
|
|
c.queryNames(new ObjectName(
|
|
dirName1.getDomain()+"*:*"),null));
|
|
throw new RuntimeException("cycle not detected!");
|
|
}
|
|
} catch (Exception t) {
|
|
if (failed == null) failed = t;
|
|
} finally {
|
|
c.unregisterMBean(dirName2);
|
|
}
|
|
} finally {
|
|
try {
|
|
c.unregisterMBean(dirName1);
|
|
} catch (Exception t) {
|
|
if (failed == null) failed = t;
|
|
System.err.println("Failed to unregister "+dirName1+
|
|
": "+t);
|
|
}
|
|
try {
|
|
client.close();
|
|
} catch (Exception t) {
|
|
if (failed == null) failed = t;
|
|
System.err.println("Failed to close client: "+t);
|
|
}
|
|
try {
|
|
server.stop();
|
|
} catch (Exception t) {
|
|
if (failed == null) failed = t;
|
|
System.err.println("Failed to stop server: "+t);
|
|
}
|
|
}
|
|
} finally {
|
|
try {
|
|
conf.close();
|
|
} catch (Exception t) {
|
|
if (failed == null) failed = t;
|
|
System.err.println("Failed to stop server: "+t);
|
|
}
|
|
}
|
|
if (failed != null) throw failed;
|
|
System.err.println("probeKangaRooCycleTest PASSED");
|
|
} catch (Exception x) {
|
|
System.err.println("probeKangaRooCycleTest FAILED: " +x);
|
|
x.printStackTrace();
|
|
throw new RuntimeException(x);
|
|
}
|
|
}
|
|
public static void main(String[] args) {
|
|
simpleTest(args);
|
|
recursiveTest(args);
|
|
probeKangaRooTest(args);
|
|
probeKangaRooCycleTest(args);
|
|
}
|
|
|
|
}
|