| /* |
| * Copyright (c) 2007, 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.jvmti.AttachOnDemand.attach045; |
| |
| import nsk.share.CustomClassLoader; |
| import nsk.share.TestBug; |
| import nsk.share.aod.*; |
| import java.util.*; |
| |
| /* |
| * This target application provokes following events: |
| * - ClassLoad |
| * - ClassPrepare |
| * - ThreadStart |
| * - ThreadEnd |
| * - VMObjectAlloc |
| * |
| * Note: number of generated events should be up-to-date with numbers expected by test agents |
| */ |
| public class attach045Target extends TargetApplicationWaitingAgents { |
| |
| static final String classPathOption = "classPath"; |
| |
| List<Thread> threadsGeneratingEvents = new ArrayList<Thread>(); |
| |
| static class ArgParser extends AODTargetArgParser { |
| ArgParser(String[] args) { |
| super(args); |
| } |
| |
| protected boolean checkOption(String option, String value) { |
| if (super.checkOption(option, value)) |
| return true; |
| |
| if (option.equals(classPathOption)) |
| return true; |
| |
| return false; |
| } |
| |
| protected void checkOptions() { |
| super.checkOptions(); |
| |
| if (!options.containsKey(classPathOption)) |
| throw new TestBug("Classpath wasn't specified"); |
| } |
| |
| String getClasspath() { |
| return options.getProperty(classPathOption); |
| } |
| } |
| |
| protected AODTargetArgParser createArgParser(String[] args) { |
| return new ArgParser(args); |
| } |
| |
| protected void init(String[] args) { |
| for (int i = 0; i < 10; i++) { |
| ClassEventsThread thread = new ClassEventsThread(50, ((ArgParser)argParser).getClasspath()); |
| thread.setName("attach045-ClassEventsThread-" + i); |
| threadsGeneratingEvents.add(thread); |
| } |
| } |
| |
| static final String CLASS_TO_LOAD_NAME = "nsk.jvmti.AttachOnDemand.attach045.ClassToLoad"; |
| |
| static class TestClassLoader extends CustomClassLoader { |
| public Class<?> loadClass(String name) throws ClassNotFoundException { |
| if (name.equals(CLASS_TO_LOAD_NAME)) |
| return findClass(name); |
| else |
| return super.loadClass(name); |
| } |
| } |
| |
| class ClassEventsThread extends Thread { |
| int eventsNumber; |
| String classPath; |
| |
| ClassEventsThread(int eventsNumber, String classPath) { |
| this.eventsNumber = eventsNumber; |
| this.classPath = classPath; |
| } |
| |
| public void run() { |
| try { |
| for (int i = 0; i < eventsNumber; i++) { |
| /* |
| * Provoke ClassLoad/ClassPrepare events |
| */ |
| TestClassLoader classLoader = new TestClassLoader(); |
| classLoader.setClassPath(classPath); |
| Class<?> klass = Class.forName(CLASS_TO_LOAD_NAME, true, classLoader); |
| |
| /* |
| * Provoke VMObjectAlloc event |
| */ |
| klass.newInstance(); |
| } |
| } catch (Throwable t) { |
| setStatusFailed(t); |
| } |
| } |
| } |
| |
| protected void targetApplicationActions() throws Throwable { |
| for (Thread thread : threadsGeneratingEvents) { |
| thread.start(); |
| } |
| |
| log.display("Starting to generate events"); |
| |
| /* |
| * Provoke ThreadStart/ThreadEnd events |
| */ |
| for (int i = 0; i < 100; i++) { |
| Thread thread = new Thread(new Runnable() { |
| public void run() { |
| // do nothing |
| } |
| }); |
| thread.setName("attach045-ThreadStartEndEventsThread-" + i); |
| thread.start(); |
| thread.join(); |
| } |
| |
| for (Thread thread : threadsGeneratingEvents) { |
| thread.join(); |
| } |
| |
| log.display("All events were generated"); |
| } |
| |
| public static void main(String[] args) { |
| new attach045Target().runTargetApplication(args); |
| } |
| } |