| /* |
| * Copyright (c) 2004, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test NotifBufferSizePropertyNameTest |
| * @bug 6174229 |
| * @summary Verify the property name specifying server notification buffer size. |
| * @author Shanliang JIANG |
| * |
| * @run clean NotifBufferSizePropertyNameTest |
| * @run build NotifBufferSizePropertyNameTest |
| * @run main NotifBufferSizePropertyNameTest |
| */ |
| |
| import java.io.IOException; |
| import java.util.*; |
| |
| import javax.management.*; |
| import javax.management.remote.*; |
| |
| /** |
| * This class tests also the size of a server notification buffer. |
| */ |
| public class NotifBufferSizePropertyNameTest { |
| |
| private static ObjectName oname; |
| private static JMXServiceURL url; |
| private final static NotificationListener listener = new NotificationListener() { |
| public void handleNotification(Notification n, Object hb) { |
| // nothing |
| } |
| }; |
| |
| public static void main(String[] args) throws Exception { |
| System.out.println( |
| "Verify the property name specifying the server notification buffer size."); |
| |
| oname = new ObjectName ("Default:name=NotificationEmitter"); |
| url = new JMXServiceURL("rmi", null, 0); |
| Map env = new HashMap(2); |
| |
| System.out.println("Test the new property name."); |
| env.put("jmx.remote.x.notification.buffer.size", String.valueOf(bufferSize)); |
| test(env); |
| |
| System.out.println("Test the old property name."); |
| env.remove("jmx.remote.x.notification.buffer.size"); |
| env.put("jmx.remote.x.buffer.size", String.valueOf(bufferSize)); |
| test(env); |
| |
| System.out.println("Test that the new property name overwrite the old one."); |
| env.put("jmx.remote.x.notification.buffer.size", String.valueOf(bufferSize)); |
| env.put("jmx.remote.x.buffer.size", String.valueOf(bufferSize*6)); |
| test(env); |
| |
| System.out.println("Test the old property name on system."); |
| System.setProperty("jmx.remote.x.buffer.size", String.valueOf(bufferSize)); |
| test(null); |
| |
| System.out.println( |
| "Test that the new property name overwrite the old one on system."); |
| System.setProperty("jmx.remote.x.notification.buffer.size", |
| String.valueOf(bufferSize)); |
| System.setProperty("jmx.remote.x.buffer.size", String.valueOf(bufferSize*6)); |
| test(null); |
| } |
| |
| |
| private static void test(Map env) throws Exception { |
| final MBeanServer mbs = MBeanServerFactory.newMBeanServer(); |
| |
| mbs.registerMBean(new NotificationEmitter(), oname); |
| JMXConnectorServer server = JMXConnectorServerFactory.newJMXConnectorServer( |
| url, |
| env, |
| mbs); |
| server.start(); |
| |
| JMXServiceURL addr = server.getAddress(); |
| JMXConnector client = JMXConnectorFactory.connect(addr); |
| client.getMBeanServerConnection().addNotificationListener(oname, |
| listener, |
| null, |
| null); |
| |
| Thread.sleep(10); // give time to other notifs |
| weakNotifs.clear(); |
| |
| // send notifd |
| mbs.invoke(oname, "sendNotifications", |
| new Object[] {new Integer(toSend)}, |
| new String[] {"java.lang.Integer"}); |
| |
| client.close(); |
| client = null; |
| |
| // give time to GC |
| for(int i=0; i<200; i++) { |
| if (weakNotifs.keySet().size() > bufferSize) { |
| Thread.sleep(10); |
| System.gc(); |
| } else { |
| break; |
| } |
| } |
| |
| // check |
| if (weakNotifs.keySet().size() != bufferSize) { |
| throw new RuntimeException("The buffer size is not correctly specified."+ |
| "\nExpected to be <= "+bufferSize+", but got "+weakNotifs.keySet().size()); |
| } |
| |
| server.stop(); |
| server = null; |
| } |
| |
| //-------------------------- |
| // private classes |
| //-------------------------- |
| public static class NotificationEmitter extends NotificationBroadcasterSupport |
| implements NotificationEmitterMBean { |
| |
| public void sendNotifications(Integer nb) { |
| Notification notif; |
| for (int i=1; i<=nb.intValue(); i++) { |
| notif = new Notification("MyType", this, i); |
| weakNotifs.put(notif, null); |
| sendNotification(notif); |
| } |
| } |
| } |
| |
| public interface NotificationEmitterMBean { |
| public void sendNotifications(Integer nb); |
| } |
| |
| private static final int toSend = 20; |
| private static final int bufferSize = 10; |
| private static WeakHashMap weakNotifs = new WeakHashMap(toSend); |
| |
| } |