/**
     * 
     */
    public static final int SMB2_LOCKFLAG_UNLOCK = 0x4;

    /**
     * 
     */
    public static final int SMB2_LOCKFLAG_FAIL_IMMEDIATELY = 0x10;

    private long offset;
    private long length;
    private int flags;


    /**
     * @param offset
     * @param length
     * @param flags
     */

    static final int CLIENT_UPN_TYPE = 0xC;
    static final int CLIENT_CLAIMS_TYPE = 0xD;
    static final int DEVICE_INFO_TYPE = 0xE;
    static final int DEVICE_CLAIMS_TYPE = 0xF;

    static final int LOGON_EXTRA_SIDS = 0x20;
    static final int LOGON_RESOURCE_GROUPS = 0x200;

    static final int MD5_KRB_SALT = 17;
    static final int MD5_BLOCK_LENGTH = 64;

        maxDataCount = 800;
        maxSetupCount = 0;
    }

    int writeSetupWireFormat( byte[] dst, int dstIndex ) {
        dst[dstIndex++] = subCommand;
        dst[dstIndex++] = (byte)0x00;
        return 2;
    }
    int writeParametersWireFormat( byte[] dst, int dstIndex ) {
        int start = dstIndex;

        writeInt2( informationLevel, dst, dstIndex );
        dstIndex += 2;

     * .
     */
    @Test
    public void testToBinary() {
        assertThat(BinaryConversionUtil.toBinary(null), nullValue());
        final byte[] b = { 0x00, 0x01 };
        assertThat(BinaryConversionUtil.toBinary(b), is(b));
        assertThat(BinaryConversionUtil.toBinary("hoge"), is("hoge".getBytes()));
    }

    /**
     * Test method for

   * @return {@code true} if the argument is a 6to4 address
   */
  public static boolean is6to4Address(Inet6Address ip) {
    byte[] bytes = ip.getAddress();
    return (bytes[0] == (byte) 0x20) && (bytes[1] == (byte) 0x02);
  }

  /**
   * Returns the IPv4 address embedded in a 6to4 address.
   *
   * @param ip {@link Inet6Address} to be examined for embedded IPv4 in 6to4 address

        this.name = new String("\\PIPE\\LANMAN");
        this.maxParameterCount = 8;

        // maxDataCount = 4096; why was this set?
        this.maxSetupCount = (byte) 0x00;
        this.setupCount = 0;
        this.timeout = 5000;
    }


    @Override
    protected int writeSetupWireFormat ( byte[] dst, int dstIndex ) {
        return 0;
    }


    @Override

	for _, c := range s {
		if c >= 0x80 || c == 0x00 {
			return false
		}
	}
	return true
}

// toASCII converts the input to an ASCII C-style string.
// This is a best effort conversion, so invalid characters are dropped.
func toASCII(s string) string {
	if isASCII(s) {
		return s
	}
	b := make([]byte, 0, len(s))
	for _, c := range s {
		if c < 0x80 && c != 0x00 {
			b = append(b, byte(c))
		}
	}

        this.maxSetupCount = 0;
    }


    @Override
    protected int writeSetupWireFormat ( byte[] dst, int dstIndex ) {
        dst[ dstIndex++ ] = this.getSubCommand();
        dst[ dstIndex++ ] = (byte) 0x00;
        return 2;
    }


    @Override
    protected int writeParametersWireFormat ( byte[] dst, int dstIndex ) {
        int start = dstIndex;

    static final int FLAGS_NONE                           = 0x00;
    static final int FLAGS_LOCK_AND_READ_WRITE_AND_UNLOCK = 0x01;
    static final int FLAGS_RECEIVE_BUFFER_POSTED          = 0x02;
    static final int FLAGS_PATH_NAMES_CASELESS            = 0x08;
    static final int FLAGS_PATH_NAMES_CANONICALIZED       = 0x10;
    static final int FLAGS_OPLOCK_REQUESTED_OR_GRANTED    = 0x20;
    static final int FLAGS_NOTIFY_OF_MODIFY_ACTION        = 0x40;

    }


    int writeWireFormat ( byte[] dst, int dstIndex ) {
        // write 0x20 in first byte
        dst[ dstIndex ] = 0x20;

        byte tmp[] = Strings.getOEMBytes(this.name, this.config);
        int i;
        for ( i = 0; i < tmp.length; i++ ) {
            dst[ dstIndex + ( 2 * i + 1 ) ] = (byte) ( ( ( tmp[ i ] & 0xF0 ) >> 4 ) + 0x41 );