// relative to headerStart
    private static final int PRIMARY_SETUP_OFFSET        = 61;
    private static final int SECONDARY_PARAMETER_OFFSET  = 51;

    private static final int DISCONNECT_TID      = 0x01;
    private static final int ONE_WAY_TRANSACTION = 0x02;

    private static final int PADDING_SIZE = 2;

    private int flags = 0x00;
    private int fid;
    private int pad = 0;

    static final int CMD_OFFSET        = 4;
    static final int ERROR_CODE_OFFSET = 5;
    static final int FLAGS_OFFSET      = 9;
    static final int SIGNATURE_OFFSET  = 14;
    static final int TID_OFFSET        = 24;
    static final int HEADER_LENGTH     = 32;

    static final long MILLISECONDS_BETWEEN_1970_AND_1601 = 11644473600000L;
    static final TimeZone TZ = TimeZone.getDefault();

    // relative to headerStart
    private static final int PRIMARY_SETUP_OFFSET = 61;
    private static final int SECONDARY_PARAMETER_OFFSET = 51;

    static final int DISCONNECT_TID = 0x01;
    static final int ONE_WAY_TRANSACTION = 0x02;

    static final int PADDING_SIZE = 4;

    private int tflags = 0x00;
    private int pad1 = 0;
    private int pad2 = 0;

     *            whether to use an exclusive connection
     */
    void setNonPooled ( boolean np ) {
        this.nonPooled = np;
    }


    /**
     * @return the currently connected tid
     */
    @SuppressWarnings ( "resource" )
    public long getTreeId () {
        SmbTreeImpl t = getTreeInternal();
        if ( t == null ) {
            return -1;
        }