3789983e89
Reviewed-by: darcy, ihse
62 lines
2.0 KiB
Java
62 lines
2.0 KiB
Java
/*
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* Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4089415
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* @summary Test MulticastSocket send for modification of ttl
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*
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*/
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import java.io.*;
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import java.net.*;
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public class MulticastTTL {
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public static void main(String args[]) throws Exception {
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MulticastSocket soc = null;
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DatagramPacket pac = null;
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InetAddress sin = null;
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byte [] array = new byte[65537];
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int port = 0;
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byte old_ttl = 0;
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byte new_ttl = 64;
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byte ttl = 0;
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sin = InetAddress.getByName("224.80.80.80");
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soc = new MulticastSocket();
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port = soc.getLocalPort();
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old_ttl = soc.getTTL();
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pac = new DatagramPacket(array, array.length, sin, port);
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try {
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soc.send(pac, new_ttl);
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} catch(java.io.IOException e) {
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ttl = soc.getTTL();
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soc.close();
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if(ttl != old_ttl)
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throw new RuntimeException("TTL ");
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}
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soc.close();
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}
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}
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