63 lines
2.3 KiB
Java
63 lines
2.3 KiB
Java
/*
|
|
* 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;
|
|
}
|
|
}
|