/*

 * Copyright 2003 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

 * @bug 4911721

 * @summary test on add/remove NotificationListener

 * @author Shanliang JIANG

 * @run clean DiffHBTest

 * @run build DiffHBTest

 * @run main DiffHBTest

 */

import java.net.MalformedURLException;

import java.io.IOException;

import javax.management.*;

import javax.management.remote.*;

/**

 * This test registeres an unique listener with two different handbacks,

 * it expects to receive a same notification two times.

 */

public class DiffHBTest {

    private static final String[] protocols = {"rmi", "iiop", "jmxmp"};

    private static final MBeanServer mbs = MBeanServerFactory.createMBeanServer();

    private static ObjectName delegateName;

    private static ObjectName timerName;

    public static int received = 0;

    public static final int[] receivedLock = new int[0];

    public static Notification receivedNotif = null;

    public static Object receivedHB = null;

    public static final String[] hbs = new String[] {"0", "1"};

    public static void main(String[] args) throws Exception {

        System.out.println(">>> test on one listener with two different handbacks.");

        delegateName = new ObjectName("JMImplementation:type=MBeanServerDelegate");

        timerName = new ObjectName("MBean:name=Timer");

        boolean ok = true;

        for (int i = 0; i < protocols.length; i++) {

            try {

                if (!test(protocols[i])) {

                    System.out.println(">>> Test failed for " + protocols[i]);

                    ok = false;

                } else {

                    System.out.println(">>> Test successed for " + protocols[i]);

                }

            } catch (Exception e) {

                System.out.println(">>> Test failed for " + protocols[i]);

                e.printStackTrace(System.out);

                ok = false;

            }

        }

        if (ok) {

            System.out.println(">>> Test passed");

        } else {

            System.out.println(">>> TEST FAILED");

            System.exit(1);

        }

    }

    private static boolean test(String proto) throws Exception {

        System.out.println(">>> Test for protocol " + proto);

        JMXServiceURL u = new JMXServiceURL(proto, null, 0);

        JMXConnectorServer server;

        JMXServiceURL addr;

        JMXConnector client;

        MBeanServerConnection mserver;

        final NotificationListener dummyListener = new NotificationListener() {

                public void handleNotification(Notification n, Object o) {

                    synchronized(receivedLock) {

                        if (n == null) {

                            System.out.println(">>> Got a null notification.");

                            System.exit(1);

                        }

                        // check number

                        if (received > 2) {

                            System.out.println(">>> Expect to receive 2 notifs,  but get "+received);

                            System.exit(1);

                        }

                        if (received == 0) { // first time

                            receivedNotif = n;

                            receivedHB = o;

                            if (!hbs[0].equals(o) && !hbs[1].equals(o)) {

                                System.out.println(">>> Unkown handback: "+o);

                                System.exit(1);

                            }

                        } else { // second time

                            if (!receivedNotif.equals(n)) {

                                System.out.println(">>> Not get same notif twice.");

                                System.exit(1);

                            } else if (!hbs[0].equals(o) && !hbs[1].equals(o)) { // validate handback

                                System.out.println(">>> Unkown handback: "+o);

                                System.exit(1);

                            } else if (receivedHB.equals(o)) {

                                System.out.println(">>> Got same handback twice: "+o);

                                System.exit(1);

                            }

                        }

                        ++received;

                        if (received == 2) {

                            receivedLock.notify();

                        }

                    }

                }

            };

        try {

            server = JMXConnectorServerFactory.newJMXConnectorServer(u, null, mbs);

            server.start();

            addr = server.getAddress();

            client = JMXConnectorFactory.newJMXConnector(addr, null);

            client.connect(null);

            mserver = client.getMBeanServerConnection();

            mserver.addNotificationListener(delegateName, dummyListener, null, hbs[0]);

            mserver.addNotificationListener(delegateName, dummyListener, null, hbs[1]);

            for (int i=0; i<20; i++) {

                synchronized(receivedLock) {

                    received = 0;

                }

                mserver.createMBean("javax.management.timer.Timer", timerName);

                synchronized(receivedLock) {

                    if (received != 2) {

                        long remainingTime = waitingTime;

                        final long startTime = System.currentTimeMillis();

                        while (received != 2 && remainingTime > 0) {

                            receivedLock.wait(remainingTime);

                            remainingTime = waitingTime -

                                (System.currentTimeMillis() - startTime);

                        }

                    }

                    if (received != 2) {

                        System.out.println(">>> Expected 2 notifis, but received "+received);

                        return false;

                    }

                }

                synchronized(receivedLock) {

                    received = 0;

                }

                mserver.unregisterMBean(timerName);

                synchronized(receivedLock) {

                    if (received != 2) {

                        long remainingTime = waitingTime;

                        final long startTime = System.currentTimeMillis();

                        while (received != 2 && remainingTime >0) {

                            receivedLock.wait(remainingTime);

                            remainingTime = waitingTime -

                                (System.currentTimeMillis() - startTime);

                        }

                    }

                    if (received != 2) {

                        System.out.println(">>> Expected 2 notifis, but received "+received);

                        return false;

                    }

                }

            }

            mserver.removeNotificationListener(delegateName, dummyListener);

            client.close();

            server.stop();

        } catch (MalformedURLException e) {

            System.out.println(">>> Skipping unsupported URL " + u);

            return true;

        }

        return true;

    }

    private final static long waitingTime = 10000;

}