1 /*

     2  * Copyright (c) 2013, 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.jmx;

    27 

    28 import java.io.IOException;

    29 import java.time.Instant;

    30 import java.util.HashMap;

    31 import java.util.List;

    32 import java.util.Map;

    33 

    34 import jdk.jfr.consumer.RecordedEvent;

    35 import jdk.management.jfr.FlightRecorderMXBean;

    36 import jdk.test.lib.jfr.SimpleEventHelper;

    37 

    38 /*

    39  * @test

    40  * @key jfr

    41  * @library /test/lib /test/jdk

    42  * @run main/othervm jdk.jfr.jmx.TestStream

    43  */

    44 public class TestStream {

    45     public static void main(String[] args) throws Exception {

    46         FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    47 

    48         Instant startTime = Instant.now();

    49         SimpleEventHelper.createEvent(0);

    50 

    51         long recId = bean.newRecording();

    52         bean.startRecording(recId);

    53         SimpleEventHelper.createEvent(1);

    54 

    55         bean.stopRecording(recId);

    56         SimpleEventHelper.createEvent(2);

    57 

    58         Instant endTime = Instant.now();

    59         // Test with ISO-8601

    60         Map<String, String> options = new HashMap<>();

    61         options.put("startTime", startTime.toString());

    62         options.put("endTime", endTime.toString());

    63         options.put("blockSize", String.valueOf(50_000));

    64         verifyStream(bean, recId, options);

    65         // Test with milliseconds since epoch

    66         options.put("startTime", Long.toString(startTime.toEpochMilli()));

    67         options.put("endTime", Long.toString(endTime.toEpochMilli()));

    68         options.put("blockSize", String.valueOf(150_000));

    69         verifyStream(bean, recId, options);

    70 

    71         bean.closeRecording(recId);

    72     }

    73 

    74     private static void verifyStream(FlightRecorderMXBean bean, long recId, Map<String, String> options) throws IOException, Exception {

    75         long streamId = bean.openStream(recId, options);

    76 

    77         List<RecordedEvent> events = JmxHelper.parseStream(streamId, bean);

    78         SimpleEventHelper.verifyContains(events, 1);

    79         SimpleEventHelper.verifyNotContains(events, 0, 2);

    80         bean.closeStream(streamId);

    81     }

    82 }