1 /*

     2  * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /*

    25  *

    26  * @test EventWithNamespaceTest.java 1.8

    27  * @bug 6539857 5072476 5108776

    28  * @summary General Namespace & Notifications test.

    29  * @author Daniel Fuchs

    30  * @run clean EventWithNamespaceTest Wombat WombatMBean

    31  *            JMXRemoteTargetNamespace

    32  *            NamespaceController NamespaceControllerMBean

    33  * @compile -XDignore.symbol.file=true EventWithNamespaceTest.java

    34  *          Wombat.java WombatMBean.java JMXRemoteTargetNamespace.java

    35  *          NamespaceController.java NamespaceControllerMBean.java

    36  * @run main EventWithNamespaceTest

    37  */

    38 

    39 import java.lang.management.ManagementFactory;

    40 import java.util.HashMap;

    41 import java.util.Map;

    42 import java.util.logging.Logger;

    43 

    44 import javax.management.JMX;

    45 import javax.management.MBeanServer;

    46 import javax.management.MBeanServerConnection;

    47 import javax.management.MBeanServerFactory;

    48 import javax.management.Notification;

    49 import javax.management.NotificationEmitter;

    50 import javax.management.NotificationListener;

    51 import javax.management.ObjectInstance;

    52 import javax.management.ObjectName;

    53 import javax.management.namespace.JMXNamespaces;

    54 import javax.management.remote.JMXConnector;

    55 import javax.management.remote.JMXConnectorFactory;

    56 import javax.management.remote.JMXConnectorServer;

    57 import javax.management.remote.JMXConnectorServerFactory;

    58 import javax.management.remote.JMXServiceURL;

    59 

    60 /**

    61  *

    62  * @author Sun Microsystems, Inc.

    63  */

    64 public class EventWithNamespaceTest {

    65 

    66     /**

    67      * A logger for this class.

    68      **/

    69     private static final Logger LOG =

    70             Logger.getLogger(EventWithNamespaceTest.class.getName());

    71 

    72     /** Creates a new instance of EventWithNamespaceTest */

    73     public EventWithNamespaceTest() {

    74     }

    75 

    76     private static Map<String,?> singletonMap(String key, Object value) {

    77         final Map<String,Object> map = new HashMap<String,Object>();

    78         map.put(key,value);

    79         return map;

    80     }

    81 

    82     public  Map<String,?> getServerMap() {

    83         return singletonMap(JMXConnectorServer.DELEGATE_TO_EVENT_SERVICE,"true");

    84     }

    85 

    86     public JMXServiceURL export(MBeanServer server)

    87     throws Exception {

    88         final JMXServiceURL in = new JMXServiceURL("rmi",null,0);

    89         final Map<String,?> env = getServerMap();

    90 

    91         final JMXConnectorServer cs =

    92                 JMXConnectorServerFactory.newJMXConnectorServer(in,env,null);

    93         final ObjectName csname = ObjectName.

    94                 getInstance(cs.getClass().getPackage().getName()+

    95                 ":type="+cs.getClass().getSimpleName());

    96         server.registerMBean(cs,csname);

    97         cs.start();

    98         return cs.getAddress();

    99     }

   100 

   101     public static class Counter {

   102         int count;

   103         public synchronized int count() {

   104             count++;

   105             notifyAll();

   106             return count;

   107         }

   108         public synchronized int peek() {

   109             return count;

   110         }

   111         public synchronized int waitfor(int max, long timeout)

   112         throws InterruptedException {

   113             final long start = System.currentTimeMillis();

   114             while (count < max && timeout > 0) {

   115                 final long rest = timeout -

   116                         (System.currentTimeMillis() - start);

   117                 if (rest <= 0) break;

   118                 wait(rest);

   119             }

   120             return count;

   121         }

   122     }

   123 

   124     public static class CounterListener

   125             implements NotificationListener {

   126         final private Counter counter;

   127         public CounterListener(Counter counter) {

   128             this.counter = counter;

   129         }

   130         public void handleNotification(Notification notification,

   131                 Object handback) {

   132             System.out.println("Received notif from " + handback +

   133                     ":\n\t" + notification);

   134             if (!notification.getSource().equals(handback)) {

   135                 System.err.println("OhOh... Unexpected source: \n\t"+

   136                         notification.getSource()+"\n\twas expecting:\n\t"+

   137                         handback);

   138             }

   139             counter.count();

   140         }

   141     }

   142 

   143     public void simpleTest(String[] args) {

   144         try {

   145             final MBeanServer server1 =

   146                     ManagementFactory.getPlatformMBeanServer();

   147             final JMXServiceURL url1 = export(server1);

   148 

   149             final MBeanServer server2 =

   150                     MBeanServerFactory.createMBeanServer("server2");

   151             final JMXServiceURL url2 = export(server2);

   152 

   153             final MBeanServer server3 =

   154                     MBeanServerFactory.createMBeanServer("server3");

   155             final JMXServiceURL url3 = export(server3);

   156 

   157             final ObjectInstance ncinst =

   158                     NamespaceController.createInstance(server1);

   159 

   160             final NamespaceControllerMBean nc =

   161                     JMX.newMBeanProxy(server1,ncinst.getObjectName(),

   162                     NamespaceControllerMBean.class);

   163 

   164             final String mount2 = nc.mount(url2,"server2",null);

   165             final String mount3 = nc.mount(url3,"server2//server3",

   166                     null);

   167 

   168             final ObjectName deep =

   169                     new ObjectName("server2//server3//bush:type=Wombat,name=kanga");

   170             server1.createMBean(Wombat.class.getName(),deep);

   171 

   172             System.err.println("There's a wombat in the bush!");

   173 

   174             final Counter counter = new Counter();

   175 

   176             final NotificationListener listener =

   177                     new CounterListener(counter);

   178 

   179             final JMXConnector jc = JMXConnectorFactory.connect(url1);

   180             final MBeanServerConnection conn1 =

   181                     jc.getMBeanServerConnection();

   182             final ObjectName shallow =

   183                     new ObjectName("bush:"+

   184                     deep.getKeyPropertyListString());

   185             final MBeanServerConnection conn2 =

   186                     JMXNamespaces.narrowToNamespace(conn1,"server2//server3");

   187 

   188             final WombatMBean proxy1 =

   189                     JMX.newMBeanProxy(conn1,deep,WombatMBean.class,true);

   190             final WombatMBean proxy2 =

   191                     JMX.newMBeanProxy(conn2,shallow,WombatMBean.class,true);

   192 

   193 

   194             System.err.println("Adding first Notification Listener");

   195             conn1.addNotificationListener(deep,listener,null,deep);

   196             System.err.println("Adding second Notification Listener");

   197             ((NotificationEmitter)proxy2).

   198                     addNotificationListener(listener,null,shallow);

   199             final JMXConnector c3 = JMXConnectorFactory.connect(url3,

   200                     singletonMap(JMXConnector.USE_EVENT_SERVICE,"false"));

   201             System.err.println("Adding third Notification Listener");

   202             c3.getMBeanServerConnection().

   203                     addNotificationListener(shallow,listener,null,shallow);

   204             System.err.println("Set attribute to trigger notif");

   205             proxy1.setCaption("I am a new Wombat!");

   206             System.err.println("Get attribute");

   207             System.err.println("New caption: "+proxy2.getCaption());

   208             System.err.println("Wait for Notifs...");

   209             final int rcvcount = counter.waitfor(3,3000);

   210             if (rcvcount != 3)

   211                 throw new RuntimeException("simpleTest failed: "+

   212                         "received count is " +rcvcount);

   213             System.err.println("simpleTest: got expected "+rcvcount+

   214                     " notifs");

   215 

   216             System.err.println("removing all listeners");

   217             conn1.removeNotificationListener(deep,listener,null,deep);

   218             ((NotificationEmitter)proxy2)

   219                 .removeNotificationListener(listener,null,shallow);

   220             c3.getMBeanServerConnection().

   221                     removeNotificationListener(shallow,listener,null,shallow);

   222 

   223             System.err.println("simpleTest passed: got "+rcvcount+

   224                     " notifs");

   225 

   226         } catch (RuntimeException x) {

   227             throw x;

   228         } catch (Exception x) {

   229             throw new RuntimeException("simpleTest failed: " + x,x);

   230         }

   231     }

   232 

   233     public void run(String[] args) {

   234                 simpleTest(args);

   235     }

   236 

   237     public static void main(String[] args) {

   238         new EventWithNamespaceTest().run(args);

   239     }

   240 

   241 }