author | dfuchs |
Thu, 02 Feb 2017 16:50:46 +0000 | |
changeset 43503 | bc7f8619ab70 |
parent 30376 | 2ccf2cf7ea48 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
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changeset
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* Copyright (c) 2003, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @bug 7654321 |
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* @summary Tests the NotificationBuffer class. |
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* @author Eamonn McManus |
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2ccf2cf7ea48
8078896: Add @modules as needed to the jdk_svc tests
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parents:
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diff
changeset
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* @modules java.management/com.sun.jmx.remote.internal |
2ccf2cf7ea48
8078896: Add @modules as needed to the jdk_svc tests
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parents:
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* java.management/com.sun.jmx.remote.util |
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* @run clean NotificationBufferTest |
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* @run build NotificationBufferTest NotificationSender NotificationSenderMBean |
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* @run main NotificationBufferTest |
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*/ |
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import java.util.Arrays; |
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import java.util.Collections; |
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import java.util.HashSet; |
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import java.util.List; |
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import java.util.Set; |
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import java.util.HashMap; |
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import javax.management.MBeanServer; |
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import javax.management.MBeanServerFactory; |
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import javax.management.MBeanServerInvocationHandler; |
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import javax.management.MBeanServerNotification; |
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import javax.management.Notification; |
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import javax.management.NotificationFilter; |
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import javax.management.NotificationFilterSupport; |
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import javax.management.ObjectName; |
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import javax.management.loading.MLet; |
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import javax.management.remote.NotificationResult; |
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import javax.management.remote.TargetedNotification; |
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import com.sun.jmx.remote.internal.ArrayNotificationBuffer; |
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import com.sun.jmx.remote.internal.NotificationBufferFilter; |
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import com.sun.jmx.remote.internal.NotificationBuffer; |
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public class NotificationBufferTest { |
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public static void main(String[] args) { |
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// System.setProperty("java.util.logging.config.file", |
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// "../../../../logging.properties"); |
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// // we are in <workspace>/build/test/JTwork/scratch |
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try { |
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// java.util.logging.LogManager.getLogManager().readConfiguration(); |
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boolean ok = test(); |
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if (ok) { |
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System.out.println("Test completed"); |
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return; |
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} else { |
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System.out.println("Test failed!"); |
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System.exit(1); |
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} |
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} catch (Exception e) { |
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System.err.println("Unexpected exception: " + e); |
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e.printStackTrace(); |
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System.exit(1); |
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} |
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} |
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private static boolean test() throws Exception { |
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MBeanServer mbs = MBeanServerFactory.createMBeanServer(); |
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Integer queuesize = new Integer(10); |
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HashMap env = new HashMap(); |
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env.put(com.sun.jmx.remote.util.EnvHelp.BUFFER_SIZE_PROPERTY, queuesize); |
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final NotificationBuffer nb = |
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ArrayNotificationBuffer.getNotificationBuffer(mbs, env); |
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final ObjectName senderName = new ObjectName("dom:type=sender"); |
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final ObjectName wildcardName = new ObjectName("*:*"); |
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final String notifType = |
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MBeanServerNotification.REGISTRATION_NOTIFICATION; |
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Integer allListenerId = new Integer(99); |
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NotificationBufferFilter allListenerFilter = |
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makeFilter(allListenerId, wildcardName, null); |
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NotificationFilterSupport regFilter = new NotificationFilterSupport(); |
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regFilter.enableType(notifType); |
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// Get initial sequence number |
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NotificationResult nr = |
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nb.fetchNotifications(allListenerFilter, 0, 0L, 0); |
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int nnotifs = nr.getTargetedNotifications().length; |
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if (nnotifs > 0) { |
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System.out.println("Expected 0 notifs for initial fetch, " + |
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"got " + nnotifs); |
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return false; |
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} |
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System.out.println("Got 0 notifs for initial fetch, OK"); |
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long earliest = nr.getEarliestSequenceNumber(); |
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long next = nr.getNextSequenceNumber(); |
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if (earliest != next) { |
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System.out.println("Expected earliest==next in initial fetch, " + |
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"earliest=" + earliest + "; next=" + next); |
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return false; |
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} |
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System.out.println("Got earliest==next in initial fetch, OK"); |
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mbs.createMBean(MLet.class.getName(), null); |
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mbs.createMBean(NotificationSender.class.getName(), senderName); |
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NotificationSenderMBean sender = (NotificationSenderMBean) |
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MBeanServerInvocationHandler.newProxyInstance(mbs, |
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senderName, |
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NotificationSenderMBean.class, |
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false); |
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/* We test here that MBeans already present when the |
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NotificationBuffer was created get a listener for the |
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buffer, as do MBeans created later. The |
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MBeanServerDelegate was already present, while the |
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NotificationSender was created later. */ |
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// Check that the NotificationSender does indeed have a listener |
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/* Note we are dependent on the specifics of our JMX |
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implementation here. There is no guarantee that the MBean |
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creation listeners will have run to completion when |
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creation of the MBean returns. */ |
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int nlisteners = sender.getListenerCount(); |
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if (nlisteners != 1) { |
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System.out.println("Notification sender should have 1 listener, " + |
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"has " + nlisteners); |
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return false; |
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} |
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System.out.println("Notification sender has 1 listener, OK"); |
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// Now we should see two creation notifications |
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nr = nb.fetchNotifications(allListenerFilter, next, 0L, |
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Integer.MAX_VALUE); |
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TargetedNotification[] tns = nr.getTargetedNotifications(); |
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if (tns.length != 2) { |
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System.out.println("Expected 2 notifs, got: " + |
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Arrays.asList(tns)); |
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return false; |
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} |
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if (!(tns[0].getNotification() instanceof MBeanServerNotification) |
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|| !(tns[1].getNotification() instanceof MBeanServerNotification)) |
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{ |
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System.out.println("Expected 2 MBeanServerNotifications, got: " + |
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Arrays.asList(tns)); |
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return false; |
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} |
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if (!tns[0].getListenerID().equals(tns[1].getListenerID()) |
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|| !tns[0].getListenerID().equals(allListenerId)) { |
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System.out.println("Bad listener IDs: " + Arrays.asList(tns)); |
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return false; |
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} |
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System.out.println("Got 2 different MBeanServerNotifications, OK"); |
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// If we ask for max 1 notifs, we should only get one |
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nr = nb.fetchNotifications(allListenerFilter, next, 0L, 1); |
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tns = nr.getTargetedNotifications(); |
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if (tns.length != 1) { |
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System.out.println("Expected 1 notif, got: " + Arrays.asList(tns)); |
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return false; |
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} |
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TargetedNotification tn1 = tns[0]; |
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System.out.println("Got 1 notif when asked for 1, OK"); |
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// Now we should get the other one |
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nr = nb.fetchNotifications(allListenerFilter, nr.getNextSequenceNumber(), |
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0L, 1); |
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tns = nr.getTargetedNotifications(); |
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if (tns.length != 1) { |
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System.out.println("Expected 1 notif, got: " + Arrays.asList(tns)); |
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return false; |
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} |
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TargetedNotification tn2 = tns[0]; |
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System.out.println("Got 1 notif when asked for 1 again, OK"); |
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if (tn1.getNotification() == tn2.getNotification()) { |
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System.out.println("Returned same notif twice: " + tn1); |
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return false; |
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} |
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System.out.println("2 creation notifs are different, OK"); |
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// Now we should get none (timeout is 0) |
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long oldNext = nr.getNextSequenceNumber(); |
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nr = nb.fetchNotifications(allListenerFilter, oldNext, 0L, |
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Integer.MAX_VALUE); |
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tns = nr.getTargetedNotifications(); |
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if (tns.length != 0) { |
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System.out.println("Expected 0 notifs, got: " + |
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Arrays.asList(tns)); |
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return false; |
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} |
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System.out.println("Got 0 notifs with 0 timeout, OK"); |
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if (nr.getNextSequenceNumber() != oldNext) { |
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System.out.println("Sequence number changed: " + oldNext + " -> " + |
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nr.getNextSequenceNumber()); |
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return false; |
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} |
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System.out.println("Next seqno unchanged with 0 timeout, OK"); |
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// Check that timeouts work |
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long startTime = System.currentTimeMillis(); |
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nr = nb.fetchNotifications(allListenerFilter, oldNext, 250L, |
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Integer.MAX_VALUE); |
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tns = nr.getTargetedNotifications(); |
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if (tns.length != 0) { |
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System.out.println("Expected 0 notifs, got: " + |
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Arrays.asList(tns)); |
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return false; |
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} |
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long endTime = System.currentTimeMillis(); |
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long elapsed = endTime - startTime; |
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if (elapsed < 250L) { |
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System.out.println("Elapsed time shorter than timeout: " + |
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elapsed); |
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return false; |
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} |
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System.out.println("Timeout worked, OK"); |
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// Check that notification filtering works |
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NotificationFilter senderFilter = new NotificationFilter() { |
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public boolean isNotificationEnabled(Notification n) { |
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if (!(n instanceof MBeanServerNotification)) |
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return false; |
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MBeanServerNotification mbsn = (MBeanServerNotification) n; |
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return (mbsn.getMBeanName().equals(senderName)); |
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} |
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}; |
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Integer senderListenerId = new Integer(88); |
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NotificationBufferFilter senderListenerFilter = |
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makeFilter(senderListenerId, wildcardName, senderFilter); |
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nr = nb.fetchNotifications(senderListenerFilter, 0, 1000L, |
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Integer.MAX_VALUE); |
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tns = nr.getTargetedNotifications(); |
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if (tns.length != 1) { |
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System.out.println("Expected 1 notif, got: " + Arrays.asList(tns)); |
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return false; |
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} |
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MBeanServerNotification mbsn = |
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(MBeanServerNotification) tns[0].getNotification(); |
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if (!mbsn.getMBeanName().equals(senderName)) { |
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System.out.println("Expected notif with senderName, got: " + |
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mbsn + " (" + mbsn.getMBeanName() + ")"); |
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return false; |
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} |
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System.out.println("Successfully applied NotificationFilter, OK"); |
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266 |
// Now send 8 notifs to fill up our 10-element buffer |
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sender.sendNotifs("tiddly.pom", 8); |
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nr = nb.fetchNotifications(allListenerFilter, 0, 1000L, |
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Integer.MAX_VALUE); |
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tns = nr.getTargetedNotifications(); |
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if (tns.length != 10) { |
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System.out.println("Expected 10 notifs, got: " + |
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Arrays.asList(tns)); |
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return false; |
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} |
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System.out.println("Got full buffer of 10 notifications, OK"); |
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// Check that the 10 notifs are the ones we expected |
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for (int i = 0; i < 10; i++) { |
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String expected = |
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(i < 2) ? notifType : "tiddly.pom"; |
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String found = tns[i].getNotification().getType(); |
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if (!found.equals(expected)) { |
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System.out.println("Notif " + i + " bad type: expected <" + |
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expected + ">, found <" + found + ">"); |
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return false; |
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} |
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} |
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System.out.println("Notifs have right types, OK"); |
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291 |
// Check that ObjectName filtering works |
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NotificationBufferFilter senderNameFilter = |
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makeFilter(new Integer(66), senderName, null); |
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294 |
nr = nb.fetchNotifications(senderNameFilter, 0, 0L, |
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Integer.MAX_VALUE); |
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296 |
tns = nr.getTargetedNotifications(); |
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297 |
if (tns.length != 8) { |
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298 |
System.out.println("Bad result from ObjectName filtering: " + |
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Arrays.asList(tns)); |
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300 |
return false; |
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} |
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302 |
System.out.println("ObjectName filtering works, OK"); |
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303 |
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304 |
// Send one more notif, which should cause the oldest one to drop |
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305 |
sender.sendNotifs("foo.bar", 1); |
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306 |
nr = nb.fetchNotifications(allListenerFilter, 0, 1000L, |
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Integer.MAX_VALUE); |
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if (nr.getEarliestSequenceNumber() <= earliest) { |
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309 |
System.out.println("Expected earliest to increase: " + |
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310 |
nr.getEarliestSequenceNumber() + " should be > " |
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311 |
+ earliest); |
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return false; |
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} |
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314 |
System.out.println("Earliest notif dropped, OK"); |
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315 |
||
316 |
// Check that the 10 notifs are the ones we expected |
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317 |
tns = nr.getTargetedNotifications(); |
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318 |
for (int i = 0; i < 10; i++) { |
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319 |
String expected = |
|
320 |
(i < 1) ? notifType |
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321 |
: (i < 9) ? "tiddly.pom" : "foo.bar"; |
|
322 |
String found = tns[i].getNotification().getType(); |
|
323 |
if (!found.equals(expected)) { |
|
324 |
System.out.println("Notif " + i + " bad type: expected <" + |
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325 |
expected + ">, found <" + found + ">"); |
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326 |
return false; |
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327 |
} |
|
328 |
} |
|
329 |
System.out.println("Notifs have right types, OK"); |
|
330 |
||
331 |
// Apply a filter that only selects the first notif, with max notifs 1, |
|
332 |
// then check that it skipped past the others even though it already |
|
333 |
// had its 1 notif |
|
334 |
NotificationBufferFilter firstFilter = |
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335 |
makeFilter(new Integer(55), wildcardName, regFilter); |
|
336 |
nr = nb.fetchNotifications(firstFilter, 0, 1000L, 1); |
|
337 |
tns = nr.getTargetedNotifications(); |
|
338 |
if (tns.length != 1 |
|
339 |
|| !tns[0].getNotification().getType().equals(notifType)) { |
|
340 |
System.out.println("Unexpected return from filtered call: " + |
|
341 |
Arrays.asList(tns)); |
|
342 |
return false; |
|
343 |
} |
|
344 |
nr = nb.fetchNotifications(allListenerFilter, nr.getNextSequenceNumber(), |
|
345 |
0L, 1000); |
|
346 |
tns = nr.getTargetedNotifications(); |
|
347 |
if (tns.length != 0) { |
|
348 |
System.out.println("Expected 0 notifs, got: " + |
|
349 |
Arrays.asList(tns)); |
|
350 |
return false; |
|
351 |
} |
|
352 |
||
353 |
// Create a second, larger buffer, which should share the same notifs |
|
354 |
nr = nb.fetchNotifications(allListenerFilter, 0, |
|
355 |
1000L, Integer.MAX_VALUE); |
|
356 |
queuesize = new Integer(20); |
|
357 |
env.put(com.sun.jmx.remote.util.EnvHelp.BUFFER_SIZE_PROPERTY, queuesize); |
|
358 |
NotificationBuffer nb2 = |
|
359 |
ArrayNotificationBuffer.getNotificationBuffer(mbs, env); |
|
360 |
NotificationResult nr2 = |
|
361 |
nb2.fetchNotifications(allListenerFilter, 0, |
|
362 |
1000L, Integer.MAX_VALUE); |
|
363 |
if (nr.getEarliestSequenceNumber() != nr2.getEarliestSequenceNumber() |
|
364 |
|| nr.getNextSequenceNumber() != nr2.getNextSequenceNumber() |
|
365 |
|| !sameTargetedNotifs(nr.getTargetedNotifications(), |
|
366 |
nr2.getTargetedNotifications())) |
|
367 |
return false; |
|
368 |
System.out.println("Adding second buffer preserved notif list, OK"); |
|
369 |
||
370 |
// Check that the capacity is now 20 |
|
371 |
sender.sendNotifs("propter.hoc", 10); |
|
372 |
nr2 = nb2.fetchNotifications(allListenerFilter, 0, |
|
373 |
1000L, Integer.MAX_VALUE); |
|
374 |
if (nr.getEarliestSequenceNumber() != |
|
375 |
nr2.getEarliestSequenceNumber()) { |
|
376 |
System.out.println("Earliest seq number changed after notifs " + |
|
377 |
"that should have fit"); |
|
378 |
return false; |
|
379 |
} |
|
380 |
TargetedNotification[] tns2 = new TargetedNotification[10]; |
|
381 |
Arrays.asList(nr2.getTargetedNotifications()).subList(0, 10).toArray(tns2); |
|
382 |
if (!sameTargetedNotifs(nr.getTargetedNotifications(), tns2)) { |
|
383 |
System.out.println("Early notifs changed after notifs " + |
|
384 |
"that should have fit"); |
|
385 |
return false; |
|
386 |
} |
|
387 |
System.out.println("New notifications fit in now-larger buffer, OK"); |
|
388 |
||
389 |
// Drop the second buffer and check that the capacity shrinks |
|
390 |
nb2.dispose(); |
|
391 |
NotificationResult nr3 = |
|
392 |
nb.fetchNotifications(allListenerFilter, 0, |
|
393 |
1000L, Integer.MAX_VALUE); |
|
394 |
if (nr3.getEarliestSequenceNumber() != nr.getNextSequenceNumber()) { |
|
395 |
System.out.println("After shrink, notifs not dropped as expected"); |
|
396 |
return false; |
|
397 |
} |
|
398 |
if (nr3.getNextSequenceNumber() != nr2.getNextSequenceNumber()) { |
|
399 |
System.out.println("After shrink, next seq no does not match"); |
|
400 |
return false; |
|
401 |
} |
|
402 |
tns2 = new TargetedNotification[10]; |
|
403 |
Arrays.asList(nr2.getTargetedNotifications()).subList(10, 20).toArray(tns2); |
|
404 |
if (!sameTargetedNotifs(nr3.getTargetedNotifications(), tns2)) { |
|
405 |
System.out.println("Later notifs not preserved after shrink"); |
|
406 |
return false; |
|
407 |
} |
|
408 |
System.out.println("Dropping second buffer shrank capacity, OK"); |
|
409 |
||
410 |
// Final test: check that destroying the final shared buffer |
|
411 |
// removes its listeners |
|
412 |
nb.dispose(); |
|
413 |
nlisteners = sender.getListenerCount(); |
|
414 |
if (nlisteners != 0) { |
|
415 |
System.out.println("Disposing buffer should leave 0 listeners, " + |
|
416 |
"but notification sender has " + nlisteners); |
|
417 |
return false; |
|
418 |
} |
|
419 |
System.out.println("Dropping first buffer drops listeners, OK"); |
|
420 |
||
421 |
return true; |
|
422 |
} |
|
423 |
||
424 |
private static boolean sameTargetedNotifs(TargetedNotification[] tn1, |
|
425 |
TargetedNotification[] tn2) { |
|
426 |
if (tn1.length != tn2.length) { |
|
427 |
System.out.println("Not same length"); |
|
428 |
return false; |
|
429 |
} |
|
430 |
for (int i = 0; i < tn1.length; i++) { |
|
431 |
TargetedNotification n1 = tn1[i]; |
|
432 |
TargetedNotification n2 = tn2[i]; |
|
433 |
if (n1.getNotification() != n2.getNotification() |
|
434 |
|| !n1.getListenerID().equals(n2.getListenerID())) |
|
435 |
return false; |
|
436 |
} |
|
437 |
return true; |
|
438 |
} |
|
439 |
||
440 |
private static NotificationBufferFilter makeFilter(final Integer id, |
|
441 |
final ObjectName pattern, |
|
442 |
final NotificationFilter filter) { |
|
443 |
return new NotificationBufferFilter() { |
|
444 |
public void apply(List<TargetedNotification> notifs, |
|
445 |
ObjectName source, Notification notif) { |
|
446 |
if (pattern.apply(source)) { |
|
447 |
if (filter == null || filter.isNotificationEnabled(notif)) |
|
448 |
notifs.add(new TargetedNotification(notif, id)); |
|
449 |
} |
|
450 |
} |
|
451 |
}; |
|
452 |
}; |
|
453 |
} |