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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
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 * 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.
 *
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 */

/* @test
 * @bug 8195160
 * @summary REGRESSION: Socket.getLocalAddress() returns address of 0.0.0.0 on outbound TCP
 * @requires (os.family == "linux")
 * @library .. /test/lib
 * @build RsocketTest
 * @run main/othervm -Djava.net.preferIPv4Stack=true GetLocalAddress
 */
import java.util.*;
import java.net.*;
import jdk.net.Sockets;

public class GetLocalAddress implements Runnable {

    static Socket s;
    static ServerSocket ss;
    static InetAddress addr;
    static InetAddress iaLocal;
    static String sLocalHostname;

    public static void main(String[] args) throws Exception
    {
        if (!RsocketTest.isRsocketAvailable())
            return;

        ss = Sockets.openRdmaServerSocket();
        addr = InetAddress.getLocalHost();
        ss.bind(new InetSocketAddress(addr, 0));
        int port = ss.getLocalPort();

        s = Sockets.openRdmaSocket();

        try {
            Thread t = new Thread(new GetLocalAddress());
            t.start();
        } catch(Exception e) {
            System.out.println("Exception happened");
            throw e;
        } finally {
            ss.close();
        }
    }

    public void run() {
        try {
            InetSocketAddress isa = new InetSocketAddress(addr, 0);
            s.connect( isa, 1000 );

            byte[] bad = {0,0,0,0};
            InetAddress iaLocal = s.getLocalAddress();
            String sLocalHostname = iaLocal.getHostName();
            if (Arrays.equals (iaLocal.getAddress(), bad)) {
                throw new RuntimeException ("0.0.0.0 returned");
            }
            System.out.println("local hostname is "+sLocalHostname );
        } catch (Exception e) {
            e.printStackTrace();
            throw new RuntimeException("Test Failed!");
        }
    }
}