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 * 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,

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package jdk.jfr.api.consumer.recordingstream;

import java.io.IOException;

import java.time.Duration;

import java.time.Instant;

import java.util.concurrent.atomic.AtomicBoolean;

import jdk.jfr.Event;

import jdk.jfr.Name;

import jdk.jfr.Recording;

import jdk.jfr.StackTrace;

import jdk.jfr.consumer.EventStream;

import jdk.jfr.consumer.RecordingStream;

/**

 * @test

 * @summary Tests EventStream::setStartTime

 * @key jfr

 * @requires vm.hasJFR

 * @library /test/lib

 * @run main/othervm jdk.jfr.api.consumer.recordingstream.TestSetStartTime

 */

public final class TestSetStartTime {

    private final static int SLEEP_TIME_MS = 100;

    @Name("Mark")

    @StackTrace(false)

    public final static class Mark extends Event {

        public boolean before;

    }

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

        testEventStream();

        testRecordingStream();

    }

    private static void testRecordingStream() throws InterruptedException {

        AtomicBoolean exit = new AtomicBoolean();

        int attempt = 1;

        while (!exit.get()) {

            System.out.println("Testing RecordingStream:setStartTime(...). Attempt: " + attempt++);

            AtomicBoolean firstEvent = new AtomicBoolean(true);

            try (RecordingStream r2 = new RecordingStream()) {

                Instant t = Instant.now().plus(Duration.ofMillis(SLEEP_TIME_MS / 2));

                System.out.println("Setting start time: " + t);

                r2.setStartTime(t);

                r2.onEvent(e -> {

                    if (firstEvent.get()) {

                        firstEvent.set(false);

                        if (!e.getBoolean("before")) {

                            // Skipped first event, let's exit

                            exit.set(true);

                        }

                        r2.close();

                    }

                });

                r2.startAsync();

                Mark m1 = new Mark();

                m1.before = true;

                m1.commit();

                System.out.println("First event emitted: " + Instant.now());

                Thread.sleep(SLEEP_TIME_MS);

                Mark m2 = new Mark();

                m2.before = false;

                m2.commit();

                System.out.println("Second event emitted: " + Instant.now());

                r2.awaitTermination();

            }

            System.out.println();

        }

    }

    private static void testEventStream() throws InterruptedException, Exception, IOException {

        AtomicBoolean exit = new AtomicBoolean();

        int attempt = 1;

        while (!exit.get()) {

            System.out.println("Testing EventStream:setStartTime(...). Attempt: " + attempt++);

            AtomicBoolean firstEvent = new AtomicBoolean(true);

            try (Recording r = new Recording()) {

                r.start();

                Mark event1 = new Mark();

                event1.before = true;

                event1.commit();

                Instant t = Instant.now();

                System.out.println("First event emitted: " + t);

                Thread.sleep(SLEEP_TIME_MS);

                Mark event2 = new Mark();

                event2.before = false;

                event2.commit();

                System.out.println("Second event emitted: " + Instant.now());

                try (EventStream es = EventStream.openRepository()) {

                    Instant startTime = t.plus(Duration.ofMillis(SLEEP_TIME_MS / 2));

                    es.setStartTime(startTime);

                    System.out.println("Setting start time: " + startTime);

                    es.onEvent(e -> {

                        if (firstEvent.get()) {

                            firstEvent.set(false);

                            if (!e.getBoolean("before")) {

                                // Skipped first event, let's exit

                                exit.set(true);

                            }

                            es.close();

                        }

                    });

                    es.startAsync();

                    es.awaitTermination();

                }

            }

            System.out.println();

        }

    }

}