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