1 /* 2 * Copyright (c) 2006, 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. 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 8195160 26 * @summary RDMA Socket setTcpNoDelay & setKeepAlive working incorrectly 27 * @requires (os.family == "linux") 28 * @library .. /test/lib 29 * @build RsocketTest 30 * @run main/othervm -Djava.net.preferIPv4Stack=true TestTcpNoDelay 31 */ 32 33 import java.net.*; 34 import java.io.IOException; 35 import jdk.net.Sockets; 36 37 public class TestTcpNoDelay 38 { 39 public static void main(String[] args) { 40 if (!RsocketTest.isRsocketAvailable()) 41 return; 42 43 try { 44 Socket socket = Sockets.openRdmaSocket(); 45 boolean on = socket.getTcpNoDelay(); 46 System.out.println("Get TCP_NODELAY = " + on); 47 48 boolean opposite = on ? false: true; 49 System.out.println("Set TCP_NODELAY to " + opposite); 50 socket.setTcpNoDelay(opposite); 51 52 boolean noDelay = socket.getTcpNoDelay(); 53 System.out.println("Get TCP_NODELAY = " + noDelay); 54 55 if (noDelay != opposite) 56 throw new RuntimeException("setTcpNoDelay no working as expected"); 57 58 } catch (IOException e){ 59 e.printStackTrace(); 60 } 61 } 62 63 }