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108 lines
3.1 KiB
Java
108 lines
3.1 KiB
Java
/*
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* @(#) $(JCGO)/goclsp/vm/java/net/VMNetworkInterface.java --
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* VM specific methods for "NetworkInterface" implementation.
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**
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* Project: JCGO (http://www.ivmaisoft.com/jcgo/)
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* Copyright (C) 2001-2009 Ivan Maidanski <ivmai@ivmaisoft.com>
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* All rights reserved.
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**
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* Class specification origin: GNU Classpath v0.93 vm/reference
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*/
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/*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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**
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* This software is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License (GPL) for more details.
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**
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* Linking this library statically or dynamically with other modules is
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* making a combined work based on this library. Thus, the terms and
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* conditions of the GNU General Public License cover the whole
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* combination.
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**
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* As a special exception, the copyright holders of this library give you
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* permission to link this library with independent modules to produce an
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* executable, regardless of the license terms of these independent
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* modules, and to copy and distribute the resulting executable under
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* terms of your choice, provided that you also meet, for each linked
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* independent module, the terms and conditions of the license of that
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* module. An independent module is a module which is not derived from
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* or based on this library. If you modify this library, you may extend
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* this exception to your version of the library, but you are not
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* obligated to do so. If you do not wish to do so, delete this
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* exception statement from your version.
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*/
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package java.net;
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import java.util.HashSet;
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import java.util.Set;
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final class VMNetworkInterface
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{
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private static final int IFF_UP = 0x1;
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private static final int IFF_LOOPBACK = 0x8;
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private static final int IFF_POINTOPOINT = 0x10;
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private static final int IFF_RUNNING = 0x40;
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private static final int IFF_MULTICAST = 0x800;
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final String name;
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final Set addresses = new HashSet();
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VMNetworkInterface()
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{
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name = "anyif";
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addresses.add(InetAddress.ANY_IF);
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}
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private VMNetworkInterface(String name)
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{
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this.name = name;
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}
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static VMNetworkInterface[] getVMInterfaces()
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throws SocketException
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{
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/* not implemented */
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return new VMNetworkInterface[0];
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}
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static boolean isUp(String name)
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throws SocketException
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{
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return (getIffFlags(name) & (IFF_UP | IFF_RUNNING)) != 0;
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}
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static boolean isLoopback(String name)
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throws SocketException
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{
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return (getIffFlags(name) & IFF_LOOPBACK) != 0;
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}
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static boolean isPointToPoint(String name)
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throws SocketException
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{
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return (getIffFlags(name) & IFF_POINTOPOINT) != 0;
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}
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static boolean supportsMulticast(String name)
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throws SocketException
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{
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return (getIffFlags(name) & IFF_MULTICAST) != 0;
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}
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private static int getIffFlags(String name)
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throws SocketException
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{
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/* not implemented */
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throw new SocketException("not implemented");
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}
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}
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