/*
 * Copyright 2002-2005 Sun Microsystems, Inc.  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.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package java.net;
import java.io.IOException;
/*
 * Package private interface to "implementation" used by
 * {@link InetAddress}.
 * <p>
 * See {@link java.net.Inet4AddressImp} and
 * {@link java.net.Inet6AddressImp}.
 *
 * @since 1.4
 */
interface InetAddressImpl {

    String getLocalHostName() throws UnknownHostException;
    InetAddress[]
        lookupAllHostAddr(String hostname) throws UnknownHostException;
    String getHostByAddr(byte[] addr) throws UnknownHostException;

    InetAddress anyLocalAddress();
    InetAddress loopbackAddress();
    boolean isReachable(InetAddress addr, int timeout, NetworkInterface netif,
                        int ttl) throws IOException;
}