mirror of git://gcc.gnu.org/git/gcc.git
98 lines
3.3 KiB
Java
98 lines
3.3 KiB
Java
/* VMInetAddress.java -- Class to model an Internet address
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath 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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GNU Classpath 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 for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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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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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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package java.net;
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import gnu.classpath.Configuration;
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import java.io.Serializable;
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class VMInetAddress implements Serializable
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{
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static
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{
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if (Configuration.INIT_LOAD_LIBRARY)
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System.loadLibrary("javanet");
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}
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/**
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* This method looks up the hostname of the local machine
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* we are on. If the actual hostname cannot be determined, then the
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* value "localhost" will be used. This native method wrappers the
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* "gethostname" function.
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*
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* @return The local hostname.
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*/
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public static native String getLocalHostname();
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/**
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* Returns the value of the special address INADDR_ANY
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*/
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public static native byte[] lookupInaddrAny() throws UnknownHostException;
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/**
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* This method returns the hostname for a given IP address. It will
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* throw an UnknownHostException if the hostname cannot be determined.
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*
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* @param ip The IP address as a byte array
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*
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* @return The hostname
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*
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* @exception UnknownHostException If the reverse lookup fails
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*/
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public static native String getHostByAddr(byte[] ip)
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throws UnknownHostException;
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/**
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* Returns a list of all IP addresses for a given hostname. Will throw
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* an UnknownHostException if the hostname cannot be resolved.
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*/
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public static native byte[][] getHostByName(String hostname)
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throws UnknownHostException;
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/**
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* Return the IP address represented by a literal address.
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* Will return null if the literal address is not valid.
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*
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* @param address the name of the host
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*
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* @return The IP address as a byte array
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*/
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public static native byte[] aton(String address);
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}
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