PROTOCOL_HANDLERS.clear();
            Handler.factory = factory;
        }
    }

    /**
     * Returns the default HTTP port.
     *
     * @return An <code>int</code> containing the default HTTP port.
     */
    protected int getDefaultPort() {
        return DEFAULT_HTTP_PORT;
    }

    protected URLConnection openConnection(URL url) throws IOException {
        url = new URL(url, url.toExternalForm(),

                // check that the expected name is returned from listing

                String[] found = d.list();
                String[] expect = names;

                Arrays.sort(found);
                Arrays.sort(expect);

                if ( log.isDebugEnabled() ) {
                    log.debug("Expect " + Arrays.toString(expect));
                    log.debug("Found " + Arrays.toString(found));

                    int port = url.getPort();
                    if (port == -1) {
                        port = "https".equalsIgnoreCase(protocol) ? 443 : 80;
                    }
                    PasswordAuthentication auth =
                            Authenticator.requestPasswordAuthentication(null,
                                    port, protocol, "", authMethod);

/**
 * Utility class holding several protocol constrants
 * 
 * @author mbechler
 *
 * @internal
 */
@SuppressWarnings ( "javadoc" )
public interface SmbConstants {

    static final int DEFAULT_PORT = 445;

    static final int DEFAULT_MAX_MPX_COUNT = 10;
    static final int DEFAULT_RESPONSE_TIMEOUT = 30000;
    static final int DEFAULT_SO_TIMEOUT = 35000;
    static final int DEFAULT_RCV_BUF_SIZE = 0xFFFF;

public interface SmbTransportPool {

    /**
     * @param tf
     * @param name
     * @param port
     * @param exclusive
     * @param forceSigning
     * @return a connected transport
     * @throws UnknownHostException
     * @throws IOException
     */
    SmbTransport getSmbTransport ( CIFSContext tf, String name, int port, boolean exclusive, boolean forceSigning )
            throws UnknownHostException, IOException;

        path = u.getPath();
        ref = u.getRef();
        if ( ref != null ) {
            path += '#' + ref;
        }
        port = u.getPort();
        if ( port == -1 ) {
            port = getDefaultPort();
        }
        setURL(u, "smb", u.getHost(), port, u.getAuthority(), u.getUserInfo(), path, u.getQuery(), null);
    }

    /**
     * The default HTTPS port (<code>443</code>).
     */
    public static final int DEFAULT_HTTPS_PORT = 443;


    /**
     * @param tc
     *            context to use
     * 
     */
    public Handler ( CIFSContext tc ) {
        super(tc);
    }


    /**
     * Returns the default HTTPS port.
     *

class NameServiceClient implements Runnable {

    static final int DEFAULT_SO_TIMEOUT = 5000;
    static final int DEFAULT_RCV_BUF_SIZE = 576;
    static final int DEFAULT_SND_BUF_SIZE = 576;
    static final int NAME_SERVICE_UDP_PORT = 137;
    static final int DEFAULT_RETRY_COUNT = 2;
    static final int DEFAULT_RETRY_TIMEOUT = 3000;

    static final int RESOLVER_LMHOSTS = 1;
    static final int RESOLVER_BCAST   = 2;

    public static final int NT_STATUS_OBJECT_NAME_NOT_FOUND = 0xC0000034;
    public static final int NT_STATUS_OBJECT_NAME_COLLISION = 0xC0000035;
    public static final int NT_STATUS_PORT_DISCONNECTED = 0xC0000037;
    public static final int NT_STATUS_OBJECT_PATH_INVALID = 0xC0000039;
    public static final int NT_STATUS_OBJECT_PATH_NOT_FOUND = 0xC000003a;

import jcifs.util.Hexdump;


/**
 * 
 * @author mbechler
 *
 */
public class NameServiceClientImpl implements Runnable, NameServiceClient {

    private static final int NAME_SERVICE_UDP_PORT = 137;

    static final byte[] UNKNOWN_MAC_ADDRESS = new byte[] {
        (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
    };