1 /* 2 * Copyright (c) 2001, 2016, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* @test 25 * @bug 4286936 8146213 26 * @summary Unit test for server-socket-channel adaptors 27 */ 28 29 import java.io.*; 30 import java.net.*; 31 import java.nio.*; 32 import java.nio.channels.*; 33 import java.nio.charset.*; 34 35 36 public class AdaptServerSocket { 37 38 static java.io.PrintStream out = System.out; 39 static volatile boolean clientStarted = false; 40 static volatile Exception clientException = null; 41 static volatile Thread client = null; 42 startClient(final int port, final int dally)43 static void startClient(final int port, final int dally) 44 throws Exception 45 { 46 Thread t = new Thread() { 47 public void run() { 48 try (Socket so = new Socket()) { 49 out.println("client: " + so); 50 clientStarted = true; 51 if (dally > 0) 52 Thread.sleep(dally); 53 so.connect(new InetSocketAddress(port)); 54 if (Thread.interrupted()) { 55 out.println("client interrupted"); 56 return; 57 } 58 out.println("client: " + so); 59 int a = so.getInputStream().read(); 60 out.println("client: read " + a); 61 a += 1; 62 so.getOutputStream().write(a); 63 out.println("client: wrote " + a); 64 } catch (Exception x) { 65 if (x instanceof InterruptedException) 66 return; 67 clientException = x; 68 x.printStackTrace(); 69 } 70 } 71 }; 72 t.setDaemon(true); 73 t.start(); 74 client = t; 75 } 76 test(int clientDally, int timeout, boolean shouldTimeout)77 static void test(int clientDally, int timeout, boolean shouldTimeout) 78 throws Exception 79 { 80 boolean needClient = !shouldTimeout; 81 client = null; 82 clientException = null; 83 clientStarted = false; 84 out.println(); 85 86 try (ServerSocketChannel ssc = ServerSocketChannel.open(); 87 ServerSocket sso = ssc.socket()) { 88 out.println("created: " + ssc); 89 out.println(" " + sso); 90 if (timeout != 0) 91 sso.setSoTimeout(timeout); 92 out.println("timeout: " + sso.getSoTimeout()); 93 sso.bind(null); 94 out.println("bound: " + ssc); 95 out.println(" " + sso); 96 if (needClient) { 97 startClient(sso.getLocalPort(), clientDally); 98 while (!clientStarted) { 99 Thread.sleep(20); 100 } 101 } 102 Socket so = null; 103 try { 104 so = sso.accept(); 105 } catch (SocketTimeoutException x) { 106 if (shouldTimeout) 107 out.println("Accept timed out, as expected"); 108 else 109 throw x; 110 } 111 if (shouldTimeout && (so != null)) 112 throw new Exception("Accept did not time out"); 113 114 if (so != null) { 115 int a = 42; 116 so.getOutputStream().write(a); 117 int b = so.getInputStream().read(); 118 if (b != a + 1) 119 throw new Exception("Read incorrect data"); 120 out.println("server: read " + b); 121 } 122 } 123 if (needClient) { 124 client.interrupt(); 125 client.join(); 126 if (clientException != null) 127 throw clientException; 128 } 129 } 130 main(String[] args)131 public static void main(String[] args) throws Exception { 132 test(0, 0, false); 133 test(50, 5000, false); 134 test(500, 50, true); 135 } 136 137 } 138