| /* |
| * 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.event.io; |
| |
| import static jdk.test.lib.Asserts.assertEquals; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.ServerSocketChannel; |
| import java.nio.channels.SocketChannel; |
| import java.time.Duration; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import jdk.jfr.Recording; |
| import jdk.jfr.consumer.RecordedEvent; |
| import jdk.test.lib.jfr.Events; |
| import jdk.test.lib.thread.TestThread; |
| import jdk.test.lib.thread.XRun; |
| |
| /* |
| * @test |
| * @key jfr |
| * @library /test/lib /test/jdk |
| * @run main/othervm jdk.jfr.event.io.TestSocketChannelEvents |
| */ |
| public class TestSocketChannelEvents { |
| private static final int bufSizeA = 10; |
| private static final int bufSizeB = 20; |
| |
| private List<IOEvent> expectedEvents = new ArrayList<>(); |
| private synchronized void addExpectedEvent(IOEvent event) { |
| expectedEvents.add(event); |
| } |
| |
| public static void main(String[] args) throws Throwable { |
| new TestSocketChannelEvents().test(); |
| } |
| |
| public void test() throws Throwable { |
| Recording recording = new Recording(); |
| |
| try (ServerSocketChannel ss = ServerSocketChannel.open()) { |
| recording.enable(IOEvent.EVENT_SOCKET_READ).withThreshold(Duration.ofMillis(0)); |
| recording.enable(IOEvent.EVENT_SOCKET_WRITE).withThreshold(Duration.ofMillis(0)); |
| recording.start(); |
| |
| ss.socket().setReuseAddress(true); |
| ss.socket().bind(null); |
| |
| TestThread readerThread = new TestThread(new XRun() { |
| @Override |
| public void xrun() throws IOException { |
| ByteBuffer bufA = ByteBuffer.allocate(bufSizeA); |
| ByteBuffer bufB = ByteBuffer.allocate(bufSizeB); |
| try (SocketChannel sc = ss.accept()) { |
| int readSize = sc.read(bufA); |
| assertEquals(readSize, bufSizeA, "Wrong readSize bufA"); |
| addExpectedEvent(IOEvent.createSocketReadEvent(bufSizeA, sc.socket())); |
| |
| bufA.clear(); |
| bufA.limit(1); |
| readSize = (int)sc.read(new ByteBuffer[] { bufA, bufB }); |
| assertEquals(readSize, 1 + bufSizeB, "Wrong readSize 1+bufB"); |
| addExpectedEvent(IOEvent.createSocketReadEvent(readSize, sc.socket())); |
| |
| // We try to read, but client have closed. Should get EOF. |
| bufA.clear(); |
| bufA.limit(1); |
| readSize = sc.read(bufA); |
| assertEquals(readSize, -1, "Wrong readSize at EOF"); |
| addExpectedEvent(IOEvent.createSocketReadEvent(-1, sc.socket())); |
| } |
| } |
| }); |
| readerThread.start(); |
| |
| try (SocketChannel sc = SocketChannel.open(ss.socket().getLocalSocketAddress())) { |
| ByteBuffer bufA = ByteBuffer.allocateDirect(bufSizeA); |
| ByteBuffer bufB = ByteBuffer.allocateDirect(bufSizeB); |
| for (int i = 0; i < bufSizeA; ++i) { |
| bufA.put((byte)('a' + (i % 20))); |
| } |
| for (int i = 0; i < bufSizeB; ++i) { |
| bufB.put((byte)('A' + (i % 20))); |
| } |
| bufA.flip(); |
| bufB.flip(); |
| |
| sc.write(bufA); |
| addExpectedEvent(IOEvent.createSocketWriteEvent(bufSizeA, sc.socket())); |
| |
| bufA.clear(); |
| bufA.limit(1); |
| int bytesWritten = (int)sc.write(new ByteBuffer[] { bufA, bufB }); |
| assertEquals(bytesWritten, 1 + bufSizeB, "Wrong bytesWritten 1+bufB"); |
| addExpectedEvent(IOEvent.createSocketWriteEvent(bytesWritten, sc.socket())); |
| } |
| |
| readerThread.joinAndThrow(); |
| recording.stop(); |
| List<RecordedEvent> events= Events.fromRecording(recording); |
| IOHelper.verifyEquals(events, expectedEvents); |
| } |
| } |
| } |