diff -r 2c3cc4b01880 -r c16ac7a2eba4 test/jdk/jdk/jfr/api/consumer/streaming/TestRepositoryMigration.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/jdk/jdk/jfr/api/consumer/streaming/TestRepositoryMigration.java Wed Oct 30 19:43:52 2019 +0100 @@ -0,0 +1,108 @@ +/* + * Copyright (c) 2019, 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.consumer.streaming; + +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.time.Duration; +import java.time.Instant; +import java.util.concurrent.CountDownLatch; + +import jdk.jfr.Event; +import jdk.jfr.Recording; +import jdk.jfr.consumer.EventStream; +import jdk.jfr.jcmd.JcmdHelper; + +/** + * @test + * @summary Verifies that is possible to stream from a repository that is being + * moved. + * @key jfr + * @requires vm.hasJFR + * @library /test/lib /test/jdk + * @run main/othervm jdk.jfr.api.consumer.streaming.TestRepositoryMigration + */ +public class TestRepositoryMigration { + static class MigrationEvent extends Event { + int id; + } + + public static void main(String... args) throws Exception { + Path newRepository = Paths.get("new-repository"); + CountDownLatch event1 = new CountDownLatch(1); + CountDownLatch event2 = new CountDownLatch(1); + + try (EventStream es = EventStream.openRepository()) { + es.setStartTime(Instant.EPOCH); + es.onEvent(e -> { + System.out.println(e); + if (e.getInt("id") == 1) { + event1.countDown(); + } + if (e.getInt("id") == 2) { + event2.countDown(); + } + }); + es.startAsync(); + System.out.println("Started es.startAsync()"); + + try (Recording r = new Recording()) { + r.setFlushInterval(Duration.ofSeconds(1)); + r.start(); + // Chunk in default repository + MigrationEvent e1 = new MigrationEvent(); + e1.id = 1; + e1.commit(); + event1.await(); + System.out.println("Passed the event1.await()"); + JcmdHelper.jcmd("JFR.configure", "repositorypath=" + newRepository.toAbsolutePath()); + // Chunk in new repository + MigrationEvent e2 = new MigrationEvent(); + e2.id = 2; + e2.commit(); + r.stop(); + event2.await(); + System.out.println("Passed the event2.await()"); + // Verify that it happened in new repository + if (!Files.exists(newRepository)) { + throw new AssertionError("Could not find repository " + newRepository); + } + System.out.println("Listing contents in new repository:"); + boolean empty = true; + for (Path p : Files.newDirectoryStream(newRepository)) { + System.out.println(p.toAbsolutePath()); + empty = false; + } + System.out.println(); + if (empty) { + throw new AssertionError("Could not find contents in new repository location " + newRepository); + } + } + } + } + +}