1 /*
   2  * Copyright (c) 2013, 2019, 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.jmx;
  27 
  28 import java.nio.file.Path;
  29 import java.nio.file.Paths;
  30 import java.util.Iterator;
  31 import java.util.List;
  32 
  33 import jdk.jfr.RecordingState;
  34 import jdk.jfr.consumer.RecordedEvent;
  35 import jdk.jfr.consumer.RecordingFile;
  36 import jdk.management.jfr.FlightRecorderMXBean;
  37 import jdk.management.jfr.RecordingInfo;
  38 import jdk.testlibrary.Asserts;
  39 import jdk.testlibrary.jfr.EventField;
  40 import jdk.testlibrary.jfr.Events;
  41 import jdk.testlibrary.jfr.SimpleEventHelper;
  42 import jdk.testlibrary.jfr.JmxHelper;
  43 
  44 /*
  45  * @test
  46  * @key jfr
  47  * @library /lib/testlibrary
  48  * @run main/othervm jdk.jfr.jmx.TestClone
  49  */
  50 public class TestClone {
  51     public static void main(String[] args) throws Exception {
  52         FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();
  53 
  54         long orgId = bean.newRecording();
  55         bean.startRecording(orgId);
  56         SimpleEventHelper.createEvent(1); // Should be in both org and clone
  57 
  58         long cloneId = bean.cloneRecording(orgId, false);
  59         Asserts.assertNotEquals(orgId, cloneId, "clone id should not be same as org id");
  60 
  61         List<RecordingInfo> recordings = bean.getRecordings();
  62         JmxHelper.verifyState(orgId, RecordingState.RUNNING, recordings);
  63         JmxHelper.verifyState(cloneId, RecordingState.RUNNING, recordings);
  64 
  65         bean.stopRecording(orgId);
  66         recordings = bean.getRecordings();
  67         JmxHelper.verifyState(orgId, RecordingState.STOPPED, recordings);
  68         JmxHelper.verifyState(cloneId, RecordingState.RUNNING, recordings);
  69 
  70         SimpleEventHelper.createEvent(2);  // Should only be in clone
  71 
  72         bean.stopRecording(cloneId);
  73         recordings = bean.getRecordings();
  74         JmxHelper.verifyState(orgId, RecordingState.STOPPED, recordings);
  75         JmxHelper.verifyState(cloneId, RecordingState.STOPPED, recordings);
  76 
  77         Path orgPath = Paths.get(".", "org.jfr");
  78         Path clonePath = Paths.get(".", "clone.jfr");
  79         bean.copyTo(orgId, orgPath.toString());
  80         bean.copyTo(cloneId, clonePath.toString());
  81 
  82         verifyEvents(orgPath, 1);
  83         verifyEvents(clonePath, 1, 2);
  84 
  85         bean.closeRecording(orgId);
  86         bean.closeRecording(cloneId);
  87     }
  88 
  89     private static void verifyEvents(Path path, int... ids) throws Exception {
  90         List<RecordedEvent> events = RecordingFile.readAllEvents(path);
  91         Iterator<RecordedEvent> iterator = events.iterator();
  92         for (int i=0; i<ids.length; i++) {
  93             Asserts.assertTrue(iterator.hasNext(), "Missing event " + ids[i]);
  94             EventField idField = Events.assertField(iterator.next(), "id");
  95             System.out.println("Event.id=" + idField.getValue());
  96             idField.equal(ids[i]);
  97         }
  98         if (iterator.hasNext()) {
  99             Asserts.fail("Got extra event: " + iterator.next());
 100         }
 101     }
 102 }