/*

 * Copyright (c) 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.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * 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

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package jdk.jfr.jcmd;

import java.io.File;

import java.io.IOException;

import java.nio.file.Path;

import java.nio.file.Paths;

import jdk.jfr.Recording;

import jdk.jfr.consumer.RecordedEvent;

import jdk.jfr.consumer.RecordingFile;

import jdk.test.lib.Utils;

import jdk.test.lib.jfr.EventNames;

import jdk.test.lib.jfr.FileHelper;

import jdk.test.lib.process.OutputAnalyzer;

 * @test TestClassId

 * @key jfr

 * @library /test/lib /test/jdk

 * @modules jdk.jfr/jdk.jfr.internal

 * @run main/othervm jdk.jfr.jcmd.TestJcmdLegacy

 */

public class TestJcmdLegacy {

    private static final String DIR = System.getProperty("test.src", ".");

    private static final File SETTINGS = new File(DIR, "legacy.jfc");

    private static final String LEGACY_EVENT = "com.oracle.jdk.JVMInformation";

    public static void main(String... args) throws Exception {

        testAPI();

        testJcmd();

    }

    private static void testJcmd() throws Exception {

        String name = "testLegacy";

        Path p = Paths.get(name + ".jfr").toAbsolutePath().normalize();

        OutputAnalyzer output = JcmdHelper.jcmd("JFR.start", "name=" + name, "settings=" + SETTINGS.getCanonicalPath());

        JcmdAsserts.assertRecordingHasStarted(output);

        JcmdHelper.waitUntilRunning(name);

        JcmdHelper.stopWriteToFileAndCheck(name, p.toFile());

        FileHelper.verifyRecording(p.toFile());

        verify(p);

    }

    private static void testAPI() throws IOException, Exception {

        Path p = Utils.createTempFile("enable-legacy-event", ".jfr");

        try (Recording r = new Recording()) {

            r.enable(LEGACY_EVENT);

            r.start();

            r.stop();

            r.dump(p);

            verify(p);

        }

    }

    private static void verify(Path p) throws IOException, Exception {

        for (RecordedEvent e : RecordingFile.readAllEvents(p)) {

            System.out.println(e.getEventType().getName());

            if (e.getEventType().getName().equals(EventNames.JVMInformation)) {

                return;

            }

        }

        throw new Exception("Could not find legacy event");

    }

}