/*

 * 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package jdk.jfr.api.recording.dump;

import java.nio.file.Files;

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.Asserts;

import jdk.test.lib.jfr.Events;

import jdk.test.lib.jfr.SimpleEventHelper;

/*

 * @test

 * @summary Test copyTo and parse file

 * @key jfr

 * @library /test/lib

 * @run main/othervm jdk.jfr.api.recording.dump.TestDumpMultiple

 */

public class TestDumpMultiple {

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

        Recording rA = new Recording();

        Recording rB = new Recording();

        // Enable event in one recording and disable in the other.

        // Both recordings should still get the events, since we always

        // get the "union" of all settings.

        SimpleEventHelper.enable(rA, true);

        SimpleEventHelper.enable(rB, false);

        SimpleEventHelper.createEvent(0); // To no recording

        rA.start();

        SimpleEventHelper.createEvent(1); // Only to recA

        rB.start();

        SimpleEventHelper.createEvent(2); // To both recordings

        rA.stop();

        // This event will not be in recB.

        // The reason is that recA has stopped so event is no longer enabled.

        SimpleEventHelper.createEvent(3);

        // Enable the event and create a new event for recB

        SimpleEventHelper.enable(rB, true);

        SimpleEventHelper.createEvent(4);

        rB.stop();

        SimpleEventHelper.createEvent(5); // To no recording

        Path pathA = Paths.get(".", "recA.jfr");

        Path pathB = Paths.get(".", "recB.jfr");

        rA.dump(pathA);

        rB.dump(pathB);

        rB.close();

        rA.close();

        verifyRecording(pathA, 1, 2);

        verifyRecording(pathB, 2, 4);

    }

    private static void verifyRecording(Path path, int... ids) throws Exception {

        Asserts.assertTrue(Files.exists(path), "Recording file does not exist: " + path);

        int countEvent = 0;

        for (RecordedEvent event : RecordingFile.readAllEvents(path)) {

            int id = Events.assertField(event, "id").getValue();

            System.out.printf("Recording '%s' id=%d%n", path, id);

            Asserts.assertTrue(ids.length > countEvent, "Found extra event");

            Events.assertField(event, "id").equal(ids[countEvent]);

            ++countEvent;

        }

        // We expect exactly 4 events in each file. 2 events * 2 chunks

        Asserts.assertEquals(countEvent, ids.length, "Found too few events");

    }

}