this.file = file;
        if (mode.equals("r")) {
            this.openFlags = SmbFile.O_CREAT | SmbFile.O_RDONLY;
        } else if (mode.equals("rw")) {
            this.openFlags = SmbFile.O_CREAT | SmbFile.O_RDWR | SmbFile.O_APPEND;
            write_andx_resp = new SmbComWriteAndXResponse();
            options = WRITE_OPTIONS;

                    this.handle = this.pipe.openUnshared(this.openFlags, this.access, this.sharing, SmbConstants.ATTR_NORMAL, 0);
                } else {
                    // at least on samba, SmbComOpenAndX fails without the pipe prefix
                    this.handle = this.pipe.openUnshared("\\pipe" + getUncPath(), this.openFlags, this.access, this.sharing,
                            SmbConstants.ATTR_NORMAL, 0);

    SmbFileInputStream(final SmbFile file, final int openFlags) throws SmbException, MalformedURLException, UnknownHostException {
        this.file = file;
        this.openFlags = openFlags & 0xFFFF;
        this.access = openFlags >>> 16 & 0xFFFF;
        if (file.type != SmbFile.TYPE_NAMED_PIPE) {
            file.open(openFlags, access, SmbFile.ATTR_NORMAL, 0);
            this.openFlags &= ~(SmbFile.O_CREAT | SmbFile.O_TRUNC);
        } else {

    }

    SmbFileOutputStream(final SmbFile file, final boolean append, final int openFlags, final int access, final int sharing)
            throws SmbException {
        this.file = file;
        this.append = append;
        this.openFlags = openFlags;
        this.sharing = sharing;
        this.access = access | SmbConstants.FILE_WRITE_DATA;

    }

    SmbFileOutputStream(final SmbFile file, final boolean append, final int openFlags)
            throws SmbException, MalformedURLException, UnknownHostException {
        this.file = file;
        this.append = append;
        this.openFlags = openFlags;
        this.access = openFlags >>> 16 & 0xFFFF;
        if (append) {
            try {
                fp = file.length();

    }

    SmbFileInputStream(final SmbFile file, final int openFlags, final int access, final int sharing, final boolean unshared)
            throws SmbException {
        this.file = file;
        this.unsharedFile = unshared;
        this.openFlags = openFlags;
        this.access = access;
        this.sharing = sharing;

        try (SmbTreeHandleInternal th = this.file.ensureTreeConnected()) {
            if (mode.equals("r")) {
                this.openFlags = SmbConstants.O_CREAT | SmbConstants.O_RDONLY;
                this.access = SmbConstants.FILE_READ_DATA;
            } else if (mode.equals("rw")) {
                this.openFlags = SmbConstants.O_CREAT | SmbConstants.O_RDWR | SmbConstants.O_APPEND;

    private static final Logger log = LoggerFactory.getLogger(Smb2CreateResponse.class);

    private byte oplockLevel;
    private byte openFlags;
    private int createAction;
    private long creationTime;
    private long lastAccessTime;
    private long lastWriteTime;
    private long changeTime;
    private long allocationSize;
    private long endOfFile;

            long chtime, long allocSize, long eof, int attrs, byte[] fileId) {
        byte[] body = new byte[2 + 2 + 4 + 8 + 8 + 8 + 8 + 8 + 8 + 4 + 4 + 16 + 4 + 4];
        int i = 0;
        SMBUtil.writeInt2(89, body, i); // StructureSize
        body[i + 2] = oplock;
        body[i + 3] = openFlags;
        i += 4;

    /**
     * Opens an output stream writing to the file (write only, exclusive write access)
     *
     * @param append
     *            whether to append to or truncate the input
     * @param openFlags
     *            flags for open operation
     * @param access
     *            desired file access flags
     * @param sharing
     *            flags indicating for which operations others may open the file