1 /*
   2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.jfr.jcmd;
  27 
  28 import java.io.File;
  29 import java.io.IOException;
  30 import java.nio.file.Path;
  31 import java.nio.file.Paths;
  32 
  33 import jdk.jfr.Recording;
  34 import jdk.jfr.consumer.RecordedEvent;
  35 import jdk.jfr.consumer.RecordingFile;
  36 import jdk.test.lib.Utils;
  37 import jdk.test.lib.jfr.EventNames;
  38 import jdk.test.lib.jfr.FileHelper;
  39 import jdk.test.lib.process.OutputAnalyzer;
  40 
  41 /*
  42  * @test TestClassId
  43  * @key jfr
  44  * @library /test/lib /test/jdk
  45  * @modules jdk.jfr/jdk.jfr.internal
  46  * @run main/othervm jdk.jfr.jcmd.TestJcmdLegacy
  47  */
  48 public class TestJcmdLegacy {
  49 
  50     private static final String DIR = System.getProperty("test.src", ".");
  51     private static final File SETTINGS = new File(DIR, "legacy.jfc");
  52 
  53     private static final String LEGACY_EVENT = "com.oracle.jdk.JVMInformation";
  54 
  55     public static void main(String... args) throws Exception {
  56         testAPI();
  57         testJcmd();
  58     }
  59 
  60     private static void testJcmd() throws Exception {
  61         String name = "testLegacy";
  62         Path p = Paths.get(name + ".jfr").toAbsolutePath().normalize();
  63         OutputAnalyzer output = JcmdHelper.jcmd("JFR.start", "name=" + name, "settings=" + SETTINGS.getCanonicalPath());
  64         JcmdAsserts.assertRecordingHasStarted(output);
  65         JcmdHelper.waitUntilRunning(name);
  66         JcmdHelper.stopWriteToFileAndCheck(name, p.toFile());
  67         FileHelper.verifyRecording(p.toFile());
  68         verify(p);
  69     }
  70 
  71     private static void testAPI() throws IOException, Exception {
  72         Path p = Utils.createTempFile("enable-legacy-event", ".jfr");
  73 
  74         try (Recording r = new Recording()) {
  75             r.enable(LEGACY_EVENT);
  76             r.start();
  77             r.stop();
  78             r.dump(p);
  79             verify(p);
  80         }
  81     }
  82 
  83     private static void verify(Path p) throws IOException, Exception {
  84         for (RecordedEvent e : RecordingFile.readAllEvents(p)) {
  85             System.out.println(e.getEventType().getName());
  86             if (e.getEventType().getName().equals(EventNames.JVMInformation)) {
  87                 return;
  88             }
  89         }
  90         throw new Exception("Could not find legacy event");
  91     }
  92 }