| /* |
| * Copyright (c) 2012, 2013, 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. |
| */ |
| |
| import java.io.IOException; |
| import java.net.InetAddress; |
| import java.net.MulticastSocket; |
| import java.net.UnknownHostException; |
| |
| public class ClientConnection { |
| |
| public final String IANA_JDP_ADDRESS = "224.0.23.178"; |
| public final String IANA_JDP_PORT = "7095"; |
| public final String UNDEFINED_NAME = "TheVMwithNoName"; |
| |
| public final int port; |
| public final InetAddress address; |
| public final int pauseInSeconds; |
| public final String instanceName; |
| |
| public ClientConnection() |
| throws UnknownHostException { |
| |
| String discoveryAddress = System.getProperty("com.sun.management.jdp.address", IANA_JDP_ADDRESS); |
| address = InetAddress.getByName(discoveryAddress); |
| |
| String discoveryPort = System.getProperty("com.sun.management.jdp.port", IANA_JDP_PORT); |
| port = Integer.parseInt(discoveryPort); |
| |
| String pause = System.getProperty("com.sun.management.jdp.pause", "1"); |
| pauseInSeconds = Integer.parseUnsignedInt(pause); |
| |
| instanceName = System.getProperty("com.sun.management.jdp.name", UNDEFINED_NAME); |
| |
| } |
| |
| public MulticastSocket connectWithTimeout(int msTimeOut) throws IOException { |
| MulticastSocket socket = new MulticastSocket(port); |
| socket.joinGroup(address); |
| socket.setSoTimeout(msTimeOut); |
| return socket; |
| } |
| } |