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/*
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* Copyright (c) 2012, 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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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.MulticastSocket;
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import java.net.UnknownHostException;
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public class ClientConnection {
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public final String IANA_JDP_ADDRESS = "224.0.23.178";
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public final String IANA_JDP_PORT = "7095";
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public final String UNDEFINED_NAME = "TheVMwithNoName";
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public final int port;
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public final InetAddress address;
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public final int pauseInSeconds;
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public final String instanceName;
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public ClientConnection()
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throws UnknownHostException {
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String discoveryAddress = System.getProperty("com.sun.management.jdp.address", IANA_JDP_ADDRESS);
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address = InetAddress.getByName(discoveryAddress);
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String discoveryPort = System.getProperty("com.sun.management.jdp.port", IANA_JDP_PORT);
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port = Integer.parseInt(discoveryPort);
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String pause = System.getProperty("com.sun.management.jdp.pause", "1");
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pauseInSeconds = Integer.parseUnsignedInt(pause);
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instanceName = System.getProperty("com.sun.management.jdp.name", UNDEFINED_NAME);
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}
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public MulticastSocket connectWithTimeout(int msTimeOut) throws IOException {
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MulticastSocket socket = new MulticastSocket(port);
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socket.joinGroup(address);
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socket.setSoTimeout(msTimeOut);
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return socket;
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}
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}
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