| /* |
| * Copyright (c) 2004, 2018, 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. |
| */ |
| |
| package nsk.monitoring.MemoryNotificationInfo.from; |
| |
| import java.lang.management.*; |
| import javax.management.*; |
| import javax.management.openmbean.*; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicReference; |
| import java.util.concurrent.SynchronousQueue; |
| import nsk.share.*; |
| import nsk.share.gc.Algorithms; |
| import nsk.share.gc.Memory; |
| import nsk.share.gc.gp.GarbageUtils; |
| import nsk.monitoring.share.*; |
| import nsk.share.test.Stresser; |
| |
| public class from001 { |
| |
| private static boolean testFailed = false; |
| |
| public static void main(String[] args) { |
| |
| ArgumentHandler argHandler = new ArgumentHandler(args); |
| Log log = new Log(System.out, argHandler); |
| |
| log.display("MemoryNotificationInfo/from/from001/from001.java test started."); |
| |
| MemoryMonitor monitor = Monitor.getMemoryMonitor(log, argHandler); |
| MBeanServer mbs = Monitor.getMBeanServer(); |
| |
| // 1. Check null CompositeData - null must be returned |
| MemoryNotificationInfo result = MemoryNotificationInfo.from(null); |
| |
| if (result != null) { |
| log.complain("FAILURE 1."); |
| log.complain("MemoryNotificationInfo.from(null) returned " + result |
| + ", expected: null."); |
| testFailed = true; |
| } |
| |
| log.display("null CompositeData check passed."); |
| |
| // 2. Check CompositeData that doest not represnt |
| // MemoryNotificationInfo - IllegalArgumentException must be thrown |
| |
| ObjectName mbeanObjectName = null; |
| CompositeData cdata = null; |
| try { |
| mbeanObjectName = new ObjectName(ManagementFactory.MEMORY_MXBEAN_NAME); |
| cdata = (CompositeData )mbs.getAttribute(mbeanObjectName, |
| "HeapMemoryUsage"); |
| } catch (Exception e) { |
| log.complain("Unexpected exception " + e); |
| e.printStackTrace(log.getOutStream()); |
| testFailed = true; |
| } |
| |
| try { |
| result = MemoryNotificationInfo.from(cdata); |
| log.complain("FAILURE 2."); |
| log.complain("MemoryNotificationInfo.from(CompositeData) returned " |
| + result + ", expected: IllegalArgumentException."); |
| testFailed = true; |
| } catch (IllegalArgumentException e) { |
| |
| // Expected: CompositeData doest not represnt MemoryNotificationInfo |
| } |
| |
| log.display("check for CompositeData doest not represnt MemoryNotificationInfo passed."); |
| |
| // 3. Check correct CompositeData |
| Object poolObject = null; |
| try { |
| mbeanObjectName = new ObjectName(ManagementFactory.MEMORY_MXBEAN_NAME); |
| mbs.addNotificationListener(mbeanObjectName, new from001Listener(), |
| null, null); |
| List<?> pools = monitor.getMemoryPoolMBeans(); |
| if (pools.isEmpty()) { |
| log.complain("No Memory Pool Beans found. Test case will hang/fail."); |
| testFailed = true; |
| } |
| |
| for (int i = 0; i < pools.size(); i++) { |
| Object pool = pools.get(i); |
| if (monitor.isUsageThresholdSupported(pool)) { |
| if (monitor.getType(pool).equals(MemoryType.HEAP)) { |
| poolObject = pool; |
| monitor.setUsageThreshold(pool, 1); |
| log.display("Usage threshold set for pool :" + poolObject); |
| break; |
| } |
| } |
| } |
| } catch (Exception e) { |
| log.complain("Unexpected exception " + e); |
| e.printStackTrace(log.getOutStream()); |
| testFailed = true; |
| } |
| |
| if (testFailed) { |
| throw new TestFailure("TEST FAILED. See log."); |
| } |
| |
| // eat memory just to emmit notification |
| Stresser stresser = new Stresser(args) { |
| |
| @Override |
| public boolean continueExecution() { |
| return from001Listener.data.get() == null |
| && super.continueExecution(); |
| } |
| }; |
| stresser.start(0);// we use timeout, not iterations |
| GarbageUtils.eatMemory(stresser); |
| |
| boolean messageNotRecieved = true; |
| while(messageNotRecieved) { |
| try { |
| from001Listener.queue.take(); |
| messageNotRecieved = false; |
| } catch (InterruptedException e) { |
| messageNotRecieved = true; |
| } |
| } |
| |
| result = MemoryNotificationInfo.from(from001Listener.data.get()); |
| try { |
| ObjectName poolObjectName = new ObjectName(monitor.getName(poolObject)); |
| ObjectName resultObjectName = new ObjectName( |
| ManagementFactory.MEMORY_POOL_MXBEAN_DOMAIN_TYPE + |
| ",name=" + result.getPoolName()); |
| |
| log.display("poolObjectName : " + poolObjectName + |
| " resultObjectName : " + resultObjectName); |
| |
| if (!poolObjectName.equals(resultObjectName)) { |
| log.complain("FAILURE 3."); |
| log.complain("Wrong pool name : " + resultObjectName + |
| ", expected : " + poolObjectName); |
| testFailed = true; |
| } |
| |
| } catch (Exception e) { |
| log.complain("Unexpected exception " + e); |
| e.printStackTrace(log.getOutStream()); |
| testFailed = true; |
| } |
| |
| if (testFailed) { |
| throw new TestFailure("TEST FAILED. See log."); |
| } |
| |
| log.display("Test passed."); |
| } |
| } |
| |
| |
| class from001Listener implements NotificationListener { |
| |
| static AtomicReference<CompositeData> data = new AtomicReference<CompositeData>(); |
| static SynchronousQueue<Object> queue = new SynchronousQueue<Object>(); |
| |
| public void handleNotification(Notification notification, Object handback) { |
| if (data.get() != null) |
| return; |
| data.set((CompositeData) notification.getUserData()); |
| |
| boolean messageNotSent = true; |
| while(messageNotSent){ |
| try { |
| queue.put(new Object()); |
| messageNotSent = false; |
| } catch(InterruptedException e) { |
| messageNotSent = true; |
| } |
| } |
| } |
| |
| } |