1 /* 2 * Copyright (c) 2018, 2019, 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.testlibrary.Asserts.assertEquals; 29 30 import java.io.IOException; 31 import java.io.InputStream; 32 import java.io.OutputStream; 33 import java.net.ServerSocket; 34 import java.net.Socket; 35 import java.time.Duration; 36 import java.util.ArrayList; 37 import java.util.List; 38 39 import jdk.jfr.Recording; 40 import jdk.jfr.consumer.RecordedEvent; 41 import jdk.testlibrary.jfr.Events; 42 import jdk.testlibrary.thread.TestThread; 43 import jdk.testlibrary.thread.XRun; 44 import jdk.testlibrary.jfr.IOEvent; 45 import jdk.testlibrary.jfr.IOHelper; 46 47 /* 48 * @test 49 * @key jfr 50 * @library /lib/testlibrary 51 * @run main/othervm jdk.jfr.event.io.TestSocketEvents 52 */ 53 public class TestSocketEvents { 54 55 private static final int writeInt = 'A'; 56 private static final byte[] writeBuf = { 'B', 'C', 'D', 'E' }; 57 58 private List<IOEvent> expectedEvents = new ArrayList<>(); 59 private synchronized void addExpectedEvent(IOEvent event) { 60 expectedEvents.add(event); 61 } 62 63 public static void main(String[] args) throws Throwable { 64 new TestSocketEvents().test(); 65 } 66 67 private void test() throws Throwable { 68 Recording recording = new Recording(); 69 70 try (ServerSocket ss = new ServerSocket()) { 71 recording.enable(IOEvent.EVENT_SOCKET_READ).withThreshold(Duration.ofMillis(0)); 72 recording.enable(IOEvent.EVENT_SOCKET_WRITE).withThreshold(Duration.ofMillis(0)); 73 recording.start(); 74 75 ss.setReuseAddress(true); 76 ss.bind(null); 77 78 TestThread readerThread = new TestThread(new XRun() { 79 @Override 80 public void xrun() throws IOException { 81 byte[] bs = new byte[4]; 82 try (Socket s = ss.accept(); InputStream is = s.getInputStream()) { 83 int readInt = is.read(); 84 assertEquals(readInt, writeInt, "Wrong readInt"); 85 addExpectedEvent(IOEvent.createSocketReadEvent(1, s)); 86 87 int bytesRead = is.read(bs, 0, 3); 88 assertEquals(bytesRead, 3, "Wrong bytesRead partial buffer"); 89 addExpectedEvent(IOEvent.createSocketReadEvent(bytesRead, s)); 90 91 bytesRead = is.read(bs); 92 assertEquals(bytesRead, writeBuf.length, "Wrong bytesRead full buffer"); 93 addExpectedEvent(IOEvent.createSocketReadEvent(bytesRead, s)); 94 95 // Try to read more, but writer have closed. Should get EOF. 96 readInt = is.read(); 97 assertEquals(readInt, -1, "Wrong readInt at EOF"); 98 addExpectedEvent(IOEvent.createSocketReadEvent(-1, s)); 99 } 100 } 101 }); 102 readerThread.start(); 103 104 try (Socket s = new Socket()) { 105 s.connect(ss.getLocalSocketAddress()); 106 try (OutputStream os = s.getOutputStream()) { 107 os.write(writeInt); 108 addExpectedEvent(IOEvent.createSocketWriteEvent(1, s)); 109 os.write(writeBuf, 0, 3); 110 addExpectedEvent(IOEvent.createSocketWriteEvent(3, s)); 111 os.write(writeBuf); 112 addExpectedEvent(IOEvent.createSocketWriteEvent(writeBuf.length, s)); 113 } 114 } 115 116 readerThread.joinAndThrow(); 117 recording.stop(); 118 List<RecordedEvent> events = Events.fromRecording(recording); 119 IOHelper.verifyEquals(events, expectedEvents); 120 } 121 } 122 }