| /* |
| * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @bug 4094894 |
| * @summary On W95/W98 it's not possible to send a datagram >12k |
| * via the loopback address. |
| */ |
| |
| import java.net.*; |
| import java.io.*; |
| |
| public class Send12k { |
| |
| |
| public static void main(String args[]) throws Exception { |
| |
| int SEND_SIZE=0; |
| |
| if(System.getProperty("os.name").contains("Mac")) { |
| SEND_SIZE = 16 * 576; |
| } else { |
| SEND_SIZE = 16 * 1024; |
| } |
| DatagramSocket s1 = new DatagramSocket(); |
| DatagramSocket s2 = new DatagramSocket(); |
| |
| byte b1[] = new byte[ SEND_SIZE ]; |
| DatagramPacket p1 = new DatagramPacket(b1, 0, b1.length, |
| InetAddress.getLocalHost(), |
| s2.getLocalPort()); |
| boolean sendOkay = true; |
| try { |
| s1.send(p1); |
| } catch (IOException e) { |
| /* |
| * Prior to merlin a send of > 12k to loopback address |
| * would fail silently. |
| */ |
| sendOkay = false; |
| } |
| |
| if (sendOkay) { |
| byte b2[] = new byte[ SEND_SIZE * 2]; |
| DatagramPacket p2 = new DatagramPacket( b2, SEND_SIZE * 2 ); |
| s2.setSoTimeout(2000); |
| |
| try { |
| s2.receive(p1); |
| } catch (InterruptedIOException ioe) { |
| throw new Exception("Datagram not received within timeout"); |
| } |
| |
| if (p1.getLength() != SEND_SIZE) { |
| throw new Exception("Received datagram incorrect size"); |
| } |
| } |
| |
| } |
| |
| } |