1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.jfr.event.io; 27 28 import static jdk.test.lib.Asserts.assertEquals; 29 30 import java.io.IOException; 31 import java.nio.ByteBuffer; 32 import java.nio.channels.ServerSocketChannel; 33 import java.nio.channels.SocketChannel; 34 import java.time.Duration; 35 import java.util.ArrayList; 36 import java.util.List; 37 38 import jdk.jfr.Recording; 39 import jdk.jfr.consumer.RecordedEvent; 40 import jdk.test.lib.jfr.Events; 41 import jdk.test.lib.thread.TestThread; 42 import jdk.test.lib.thread.XRun; 43 44 /** 45 * @test 46 * @key jfr 47 * 48 * @library /lib / 49 * @run main/othervm jdk.jfr.event.io.TestSocketChannelEvents 50 */ 51 public class TestSocketChannelEvents { 52 private static final int bufSizeA = 10; 53 private static final int bufSizeB = 20; 54 55 private List<IOEvent> expectedEvents = new ArrayList<>(); 56 private synchronized void addExpectedEvent(IOEvent event) { 57 expectedEvents.add(event); 58 } 59 60 public static void main(String[] args) throws Throwable { 61 new TestSocketChannelEvents().test(); 62 } 63 64 public void test() throws Throwable { 65 Recording recording = new Recording(); 66 67 try (ServerSocketChannel ss = ServerSocketChannel.open()) { 68 recording.enable(IOEvent.EVENT_SOCKET_READ).withThreshold(Duration.ofMillis(0)); 69 recording.enable(IOEvent.EVENT_SOCKET_WRITE).withThreshold(Duration.ofMillis(0)); 70 recording.start(); 71 72 ss.socket().setReuseAddress(true); 73 ss.socket().bind(null); 74 75 TestThread readerThread = new TestThread(new XRun() { 76 @Override 77 public void xrun() throws IOException { 78 ByteBuffer bufA = ByteBuffer.allocate(bufSizeA); 79 ByteBuffer bufB = ByteBuffer.allocate(bufSizeB); 80 try (SocketChannel sc = ss.accept()) { 81 int readSize = sc.read(bufA); 82 assertEquals(readSize, bufSizeA, "Wrong readSize bufA"); 83 addExpectedEvent(IOEvent.createSocketReadEvent(bufSizeA, sc.socket())); 84 85 bufA.clear(); 86 bufA.limit(1); 87 readSize = (int)sc.read(new ByteBuffer[] { bufA, bufB }); 88 assertEquals(readSize, 1 + bufSizeB, "Wrong readSize 1+bufB"); 89 addExpectedEvent(IOEvent.createSocketReadEvent(readSize, sc.socket())); 90 91 // We try to read, but client have closed. Should get EOF. 92 bufA.clear(); 93 bufA.limit(1); 94 readSize = sc.read(bufA); 95 assertEquals(readSize, -1, "Wrong readSize at EOF"); 96 addExpectedEvent(IOEvent.createSocketReadEvent(-1, sc.socket())); 97 } 98 } 99 }); 100 readerThread.start(); 101 102 try (SocketChannel sc = SocketChannel.open(ss.socket().getLocalSocketAddress())) { 103 ByteBuffer bufA = ByteBuffer.allocateDirect(bufSizeA); 104 ByteBuffer bufB = ByteBuffer.allocateDirect(bufSizeB); 105 for (int i = 0; i < bufSizeA; ++i) { 106 bufA.put((byte)('a' + (i % 20))); 107 } 108 for (int i = 0; i < bufSizeB; ++i) { 109 bufB.put((byte)('A' + (i % 20))); 110 } 111 bufA.flip(); 112 bufB.flip(); 113 114 sc.write(bufA); 115 addExpectedEvent(IOEvent.createSocketWriteEvent(bufSizeA, sc.socket())); 116 117 bufA.clear(); 118 bufA.limit(1); 119 int bytesWritten = (int)sc.write(new ByteBuffer[] { bufA, bufB }); 120 assertEquals(bytesWritten, 1 + bufSizeB, "Wrong bytesWritten 1+bufB"); 121 addExpectedEvent(IOEvent.createSocketWriteEvent(bytesWritten, sc.socket())); 122 } 123 124 readerThread.joinAndThrow(); 125 recording.stop(); 126 List<RecordedEvent> events= Events.fromRecording(recording); 127 IOHelper.verifyEquals(events, expectedEvents); 128 } 129 } 130 }