private Socket socket;
    private int port;
    private final AtomicLong mid = new AtomicLong();
    private OutputStream out;
    private InputStream in;
    private final byte[] sbuf = new byte[1024]; /* small local buffer */
    private long sessionExpiration;
    private final List<SmbSessionImpl> sessions = new LinkedList<>();

    private String tconHostName = null;

    private final CIFSContext transportContext;