/*

 * Copyright (c) 2003, 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.

 */

/**

 * @test

 * @summary API to test reachability of a host

 */

import java.net.InetAddress;

import java.io.IOException;

import java.net.NetworkInterface;

public class IsReachable {

    public static void main(String[] args) {

        try {

            InetAddress addr = InetAddress.getByName("localhost");

            if (!addr.isReachable(10000))

                throw new RuntimeException("Localhost should always be reachable");

            NetworkInterface inf = NetworkInterface.getByInetAddress(addr);

            if (inf != null) {

                if (!addr.isReachable(inf, 20, 10000))

                throw new RuntimeException("Localhost should always be reachable");

            }

        } catch (IOException e) {

            throw new RuntimeException("Unexpected exception:" + e);

        }

    }

}