@Override
    public SmbTransportImpl getSmbTransport ( CIFSContext tc, Address address, int port, boolean nonPooled ) {
        return getSmbTransport(tc, address, port, tc.getConfig().getLocalAddr(), tc.getConfig().getLocalPort(), null, nonPooled);
    }


    @Override
    public SmbTransportImpl getSmbTransport ( CIFSContext tc, Address address, int port, boolean nonPooled, boolean forceSigning ) {

     * @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;


    /**
     * Get transport connection
     * 
     * @param tc

    static int dc_list_counter;

    private static NtlmChallenge interrogate( NbtAddress addr ) throws SmbException {
        UniAddress dc = new UniAddress( addr );
        SmbTransport trans = SmbTransport.getSmbTransport( dc, 0 );
        if (USERNAME == null) {
            trans.connect();
            if (SmbTransport.log.level >= 3)
                SmbTransport.log.println(

        }
        if (_domains != null)
            return _domains.map;
        try {
            UniAddress addr = UniAddress.getByName(auth.domain, true);
            SmbTransport trans = SmbTransport.getSmbTransport(addr, 0);
            CacheEntry entry = new CacheEntry(Dfs.TTL * 10L);

            DfsReferral dr = trans.getDfsReferrals(auth, "", 0);
            if (dr != null) {
                DfsReferral start = dr;

            // https://lists.samba.org/archive/samba-technical/2009-August/066486.html
            // UniAddress addr = UniAddress.getByName(authDomain, true, tf);
            // SmbTransport trans = tf.getTransportPool().getSmbTransport(tf, addr, 0);
            try ( SmbTransport dc = getDc(tf, authDomain) ) {
                CacheEntry<Map<String, CacheEntry<DfsReferralDataInternal>>> entry = new CacheEntry<>(tf.getConfig().getDfsTtl() * 10L);

    static LogStream log = LogStream.getInstance();
    static HashMap dfsRoots = null;

    static synchronized SmbTransport getSmbTransport( UniAddress address, int port ) {
        return getSmbTransport( address, port, LADDR, LPORT, null );
    }
    static synchronized SmbTransport getSmbTransport( UniAddress address, int port,
                                    InetAddress localAddr, int localPort, String hostName ) {

    public void testOpenOplocked () throws UnknownHostException, IOException {
        CIFSContext c = getContext();
        c = withTestNTLMCredentials(c);
        try ( SmbTransportInternal trans = c.getTransportPool().getSmbTransport(c, getTestServer(), 0, false, true)
                .unwrap(SmbTransportInternal.class);
              SmbSession sess = trans.unwrap(SmbTransportInternal.class).getSmbSession(c, getTestServer(), null);

        UniAddress dc = new UniAddress(addr);
        try ( SmbTransportInternal trans = tf.getTransportPool()
                .getSmbTransport(tf, dc, 0, false, tf.hasDefaultCredentials() && tf.getConfig().isIpcSigningEnforced())
                .unwrap(SmbTransportInternal.class) ) {
            if ( !tf.hasDefaultCredentials() ) {

                        log.debug("Using exclusive transport for " + this);
                    }
                    this.exclusiveTransport = this.ctx.getTransportPool()
                            .getSmbTransport(this.ctx, host, loc.getPort(), true, loc.shouldForceSigning()).unwrap(SmbTransportInternal.class);
                    SmbTransportInternal trans = this.exclusiveTransport;

            }
        });

        try {
            CIFSContext c = getContext();
            c = withTestNTLMCredentials(c);
            try ( SmbTransportInternal trans = c.getTransportPool().getSmbTransport(c, getTestServer(), 0, false, true)
                    .unwrap(SmbTransportInternal.class);
                  SmbSession sess = trans.unwrap(SmbTransportInternal.class).getSmbSession(c, getTestServer(), null);