test/jdk/jdk/jfr/api/consumer/recordingstream/TestSetEndTime.java
changeset 58863 c16ac7a2eba4
child 59274 eb3e2a5c2bcd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/consumer/recordingstream/TestSetEndTime.java	Wed Oct 30 19:43:52 2019 +0100
@@ -0,0 +1,175 @@
+/*
+ * 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.recordingstream;
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.time.Duration;
+import java.time.Instant;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
+
+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.RecordedEvent;
+import jdk.jfr.consumer.RecordingFile;
+import jdk.jfr.consumer.RecordingStream;
+
+/**
+ * @test
+ * @summary Tests EventStream::setEndTime
+ * @key jfr
+ * @requires vm.hasJFR
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.api.consumer.recordingstream.TestSetEndTime
+ */
+public final class TestSetEndTime {
+
+    @Name("Mark")
+    @StackTrace(false)
+    public final static class Mark extends Event {
+        public boolean include;
+        public int id;
+    }
+
+    public static void main(String... args) throws Exception {
+        testEventStream();
+        testRecordingStream();
+    }
+
+    private static void testRecordingStream() throws Exception {
+        while (true) {
+            CountDownLatch closed = new CountDownLatch(1);
+            AtomicInteger count = new AtomicInteger();
+            try (RecordingStream rs = new RecordingStream()) {
+                rs.setFlushInterval(Duration.ofSeconds(1));
+                rs.onEvent(e -> {
+                    count.incrementAndGet();
+                });
+                // when end is reached stream is closed
+                rs.onClose(() -> {
+                    closed.countDown();
+                });
+                Instant endTime = Instant.now().plus(Duration.ofMillis(100));
+                System.out.println("Setting end time: " + endTime);
+                rs.setEndTime(endTime);
+                rs.startAsync();
+                for (int i = 0; i < 50; i++) {
+                    Mark m = new Mark();
+                    m.commit();
+                    Thread.sleep(10);
+                }
+                closed.await();
+                System.out.println("Found events: " + count.get());
+                if (count.get() < 50) {
+                    return;
+                }
+                System.out.println("Found 50 events. Retrying");
+                System.out.println();
+            }
+        }
+    }
+
+    static void testEventStream() throws InterruptedException, IOException, Exception {
+        while (true) {
+            try (Recording r = new Recording()) {
+                r.start();
+
+                Mark event1 = new Mark();
+                event1.id = 1;
+                event1.include = false;
+                event1.commit(); // start time
+
+                nap();
+
+                Mark event2 = new Mark();
+                event2.id = 2;
+                event2.include = true;
+                event2.commit();
+
+                nap();
+
+                Mark event3 = new Mark();
+                event3.id = 3;
+                event3.include = false;
+                event3.commit(); // end time
+
+                Path p = Paths.get("recording.jfr");
+                r.dump(p);
+                Instant start = null;
+                Instant end = null;
+                System.out.println("Find start and end time as instants:");
+                for (RecordedEvent e : RecordingFile.readAllEvents(p)) {
+                    if (e.getInt("id") == 1) {
+                        start = e.getEndTime();
+                        System.out.println("Start  : " + start);
+                    }
+                    if (e.getInt("id") == 2) {
+                        Instant middle = e.getEndTime();
+                        System.out.println("Middle : " + middle);
+                    }
+                    if (e.getInt("id") == 3) {
+                        end = e.getEndTime();
+                        System.out.println("End    : " + end);
+                    }
+                }
+                System.out.println();
+                System.out.println("Opening stream between " + start + " and " + end);
+                AtomicBoolean success = new AtomicBoolean(false);
+                AtomicInteger eventsCount = new AtomicInteger();
+                try (EventStream d = EventStream.openRepository()) {
+                    d.setStartTime(start.plusNanos(1));
+                    // Stream should close when end is reached
+                    d.setEndTime(end.minusNanos(1));
+                    d.onEvent(e -> {
+                        eventsCount.incrementAndGet();
+                        boolean include = e.getBoolean("include");
+                        System.out.println("Event " + e.getEndTime() + " include=" + include);
+                        if (include) {
+                            success.set(true);
+                        }
+                    });
+                    d.start();
+                    if (eventsCount.get() == 1 && success.get()) {
+                        return;
+                    }
+                }
+            }
+        }
+
+    }
+
+    private static void nap() throws InterruptedException {
+        // Ensure we advance at least 1 ns with fast time
+        Thread.sleep(1);
+    }
+
+}