/*

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

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

 *

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

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

 * published by the Free Software Foundation.

 *

 * This code 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

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

 * accompanied this code).

 *

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

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

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

 *

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

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

 * have any questions.

 */

/*

 *

 * @test EventWithNamespaceTest.java 1.8

 * @bug 6539857

 * @summary General Namespace & Notifications test.

 * @author Daniel Fuchs

 * @run clean EventWithNamespaceTest Wombat WombatMBean

 *            JMXRemoteTargetNamespace

 *            NamespaceController NamespaceControllerMBean

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

 *          Wombat.java WombatMBean.java JMXRemoteTargetNamespace.java

 *          NamespaceController.java NamespaceControllerMBean.java

 * @run main EventWithNamespaceTest

 */

import java.lang.management.ManagementFactory;

import java.util.HashMap;

import java.util.Map;

import java.util.logging.Logger;

import javax.management.JMX;

import javax.management.MBeanServer;

import javax.management.MBeanServerConnection;

import javax.management.MBeanServerFactory;

import javax.management.Notification;

import javax.management.NotificationEmitter;

import javax.management.NotificationListener;

import javax.management.ObjectInstance;

import javax.management.ObjectName;

import javax.management.namespace.JMXNamespaces;

import javax.management.remote.JMXConnector;

import javax.management.remote.JMXConnectorFactory;

import javax.management.remote.JMXConnectorServer;

import javax.management.remote.JMXConnectorServerFactory;

import javax.management.remote.JMXServiceURL;

/**

 *

 * @author Sun Microsystems, Inc.

 */

public class EventWithNamespaceTest {

    /**

     * A logger for this class.

     **/

    private static final Logger LOG =

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

    /** Creates a new instance of EventWithNamespaceTest */

    public EventWithNamespaceTest() {

    }

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

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

        map.put(key,value);

        return map;

    }

    public  Map<String,?> getServerMap() {

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

    }

    public JMXServiceURL export(MBeanServer server)

    throws Exception {

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

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

        final JMXConnectorServer cs =

                JMXConnectorServerFactory.newJMXConnectorServer(in,env,null);

        final ObjectName csname = ObjectName.

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

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

        server.registerMBean(cs,csname);

        cs.start();

        return cs.getAddress();

    }

    public static class Counter {

        int count;

        public synchronized int count() {

            count++;

            notifyAll();

            return count;

        }

        public synchronized int peek() {

            return count;

        }

        public synchronized int waitfor(int max, long timeout)

        throws InterruptedException {

            final long start = System.currentTimeMillis();

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

                final long rest = timeout -

                        (System.currentTimeMillis() - start);

                if (rest <= 0) break;

                wait(rest);

            }

            return count;

        }

    }

    public static class CounterListener

            implements NotificationListener {

        final private Counter counter;

        public CounterListener(Counter counter) {

            this.counter = counter;

        }

        public void handleNotification(Notification notification,

                Object handback) {

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

                    ":\n\t" + notification);

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

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

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

                        handback);

            }

            counter.count();

        }

    }

    public void simpleTest(String[] args) {

        try {

            final MBeanServer server1 =

                    ManagementFactory.getPlatformMBeanServer();

            final JMXServiceURL url1 = export(server1);

            final MBeanServer server2 =

                    MBeanServerFactory.createMBeanServer("server2");

            final JMXServiceURL url2 = export(server2);

            final MBeanServer server3 =

                    MBeanServerFactory.createMBeanServer("server3");

            final JMXServiceURL url3 = export(server3);

            final ObjectInstance ncinst =

                    NamespaceController.createInstance(server1);

            final NamespaceControllerMBean nc =

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

                    NamespaceControllerMBean.class);

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

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

                    null);

            final ObjectName deep =

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

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

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

            final Counter counter = new Counter();

            final NotificationListener listener =

                    new CounterListener(counter);

            final JMXConnector jc = JMXConnectorFactory.connect(url1);

            final MBeanServerConnection conn1 =

                    jc.getMBeanServerConnection();

            final ObjectName shallow =

                    new ObjectName("bush:"+

                    deep.getKeyPropertyListString());

            final MBeanServerConnection conn2 =

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

            final WombatMBean proxy1 =

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

            final WombatMBean proxy2 =

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

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

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

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

            ((NotificationEmitter)proxy2).

                    addNotificationListener(listener,null,shallow);

            final JMXConnector c3 = JMXConnectorFactory.connect(url3,

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

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

            c3.getMBeanServerConnection().

                    addNotificationListener(shallow,listener,null,shallow);

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

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

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

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

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

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

            if (rcvcount != 3)

                throw new RuntimeException("simpleTest failed: "+

                        "received count is " +rcvcount);

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

                    " notifs");

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

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

            ((NotificationEmitter)proxy2)

                .removeNotificationListener(listener,null,shallow);

            c3.getMBeanServerConnection().

                    removeNotificationListener(shallow,listener,null,shallow);

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

                    " notifs");

        } catch (RuntimeException x) {

            throw x;

        } catch (Exception x) {

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

        }

    }

    public void run(String[] args) {

                simpleTest(args);

    }

    public static void main(String[] args) {

        new EventWithNamespaceTest().run(args);

    }

}