1 /*
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   6  * The contents of this file are subject to the terms of either the Universal Permissive License
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  15  * and the following disclaimer.
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  32  */
  33 package org.openjdk.jmc.rjmx.services.jfr.test;
  34 
  35 import static org.openjdk.jmc.common.unit.UnitLookup.MILLISECOND;
  36 import static org.junit.Assert.assertEquals;
  37 import static org.junit.Assert.assertNotNull;
  38 
  39 import java.io.InputStream;
  40 import java.util.Random;
  41 
  42 import org.junit.Test;
  43 
  44 import org.openjdk.jmc.common.unit.IConstrainedMap;
  45 import org.openjdk.jmc.common.unit.IQuantity;
  46 import org.openjdk.jmc.flightrecorder.configuration.events.EventOptionID;
  47 import org.openjdk.jmc.flightrecorder.configuration.recording.RecordingOptionsBuilder;
  48 import org.openjdk.jmc.rjmx.services.jfr.IFlightRecorderService;
  49 import org.openjdk.jmc.rjmx.services.jfr.IRecordingDescriptor;
  50 
  51 public class JfrControlTest extends JfrTestCase {
  52         @Test
  53         public void testGetAvailableRecordings() throws Exception {
  54                 assumeHotSpot7u12OrLater(getConnectionHandle());
  55 
  56                 IFlightRecorderService service = getFlightRecorderService();
  57                 assertNotNull(service);
  58                 assertNotNull(service.getAvailableRecordings());
  59         }
  60 
  61         @Test
  62         public void testGetContinuousRecording() throws Exception {
  63                 assumeHotSpot7u12OrLater(getConnectionHandle());
  64                 IRecordingDescriptor recording = startContinuousRecording();
  65                 assertNotNull(getContinuousRecording());
  66                 stopRecording(recording);
  67 
  68         }
  69 
  70         /**
  71          * Also tests stop, close and getUpdatedRecordingDescriptor...
  72          *
  73          * @throws Exception
  74          */
  75         @Test
  76         public void testStartContinuousRecording() throws Exception {
  77                 assumeHotSpot7u12OrLater(getConnectionHandle());
  78 
  79                 IRecordingDescriptor recording = startContinuousRecording();
  80                 stopRecording(recording);
  81         }
  82 
  83         /**
  84          * Also tests stop, close and getUpdatedRecordingDescriptor...
  85          *
  86          * @throws Exception
  87          */
  88         @Test
  89         public void testStartTimedRecording() throws Exception {
  90                 assumeHotSpot7u12OrLater(getConnectionHandle());
  91 
  92                 IQuantity duration = MILLISECOND.quantity(5000);
  93                 Random rnd = new Random();
  94                 String name = "test_recording_" + rnd.nextInt() % 4711; //$NON-NLS-1$
  95                 IFlightRecorderService service = getFlightRecorderService();
  96                 IConstrainedMap<String> recordingOptions = new RecordingOptionsBuilder(service).name(name).duration(duration)
  97                                 .build();
  98                 IRecordingDescriptor recording = service.start(recordingOptions, null);
  99                 IConstrainedMap<String> options = service.getRecordingOptions(recording);
 100                 Object durationOption = options.get(RecordingOptionsBuilder.KEY_DURATION);
 101                 assertNotNull(durationOption);
 102                 assertSame(duration, (IQuantity) durationOption);
 103                 assertEquals(IRecordingDescriptor.RecordingState.RUNNING, recording.getState());
 104                 System.out.println("Started " + recording.getName()); //$NON-NLS-1$
 105                 assertEquals(name, recording.getName());
 106 
 107                 service.stop(recording);
 108                 for (int stopCount = 0; stopCount < 15; stopCount += 1) {
 109                         recording = service.getUpdatedRecordingDescription(recording);
 110                         if (!recording.getState().equals(IRecordingDescriptor.RecordingState.STOPPING)) {
 111                                 break;
 112                         }
 113                         Thread.sleep(1000);
 114                 }
 115                 assertEquals(IRecordingDescriptor.RecordingState.STOPPED, recording.getState());
 116                 System.out.println("Stopped " + recording.getName()); //$NON-NLS-1$
 117                 service.close(recording);
 118                 recording = service.getUpdatedRecordingDescription(recording);
 119                 assertNull(recording);
 120         }
 121 
 122         @Test
 123         public void testGetEventTypeSettings() throws Exception {
 124                 assumeHotSpot7u12OrLater(getConnectionHandle());
 125 
 126                 IFlightRecorderService service = getFlightRecorderService();
 127                 IConstrainedMap<EventOptionID> settings = service.getDefaultEventOptions();
 128                 assertNotNull(settings);
 129         }
 130 
 131         @Test
 132         public void testDumpContinuous() throws Exception {
 133                 assumeHotSpot7u12OrLater(getConnectionHandle());
 134 
 135                 byte[] bytes = new byte[4096];
 136                 int read = 0;
 137                 IFlightRecorderService service = getFlightRecorderService();
 138                 IRecordingDescriptor recording = startContinuousRecording();
 139                 IRecordingDescriptor descriptor = getContinuousRecording();
 140                 InputStream stream = service.openStream(descriptor, false);
 141                 int lastRead = -1;
 142                 while ((lastRead = stream.read(bytes)) != -1) {
 143                         read += lastRead;
 144                 }
 145                 assertMin("Should have read something!", 1, read); //$NON-NLS-1$
 146                 stream.close();
 147                 stopRecording(recording);
 148         }
 149 }