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