long l = 1024;
                int off = 2048;
                try ( SmbRandomAccessFile raf = new SmbRandomAccessFile(f, "rw") ) {
                    raf.seek(off);
                    writeRandom(bufSize, l, raf);
                    assertEquals(l + off, raf.getFilePointer());
                    raf.seek(off);
                    assertEquals(off, raf.getFilePointer());

     */

    @Override
    public int read ( byte[] b, int off, int len ) throws IOException {
        return readDirect(b, off, len);
    }


    /**
     * Reads up to len bytes of data from this input stream into an array of bytes.
     * 
     * @param b
     * @param off
     * @param len
     * @return number of bytes read
     *
     * @throws IOException

 *
 * @throws IOException if a network error occurs
 */

    public int read( byte[] b, int off, int len ) throws IOException {
        return readDirect(b, off, len);
    }
    public int readDirect( byte[] b, int off, int len ) throws IOException {
        if( len <= 0 ) {
            return 0;
        }
        long start = fp;

        if( tmp == null ) {

         # To allow special characters in headers
         ignore_invalid_headers off;
         # Allow any size file to be uploaded.
         # Set to a value such as 1000m; to restrict file size to a specific value
         client_max_body_size 0;
         # To disable buffering
         proxy_buffering off;

        location / {
            proxy_set_header Host $http_host;

    /**
     * @param buf
     * @param off
     * @param length
     * @param direct
     * @return received bytes
     * @throws CIFSException
     * @throws IOException
     */
    int recv ( byte[] buf, int off, int length ) throws IOException;


    /**
     * @param buf
     * @param off
     * @param length
     * @param direct
     * @throws IOException
     */

class SmbComReadAndXResponse extends AndXServerMessageBlock {

    byte[] b;
    int off, dataCompactionMode, dataLength, dataOffset;

    SmbComReadAndXResponse() {
    }
    SmbComReadAndXResponse( byte[] b, int off ) {
        this.b = b;
        this.off = off;
    }

    void setParam( byte[] b, int off ) {
        this.b = b;
        this.off = off;
    }
    int writeParameterWordsWireFormat( byte[] dst, int dstIndex ) {

        offset,
        remaining,
        off;
    private byte[] b;

    SmbComWrite() {
        super();
        command = SMB_COM_WRITE;
    }
    SmbComWrite( int fid, int offset, int remaining, byte[] b, int off, int len ) {
        this.fid = fid;
        this.count = len;
        this.offset = offset;
        this.remaining = remaining;
        this.b = b;
        this.off = off;
        command = SMB_COM_WRITE;
    }

  protected void update(byte[] b) {
    update(b, 0, b.length);
  }

  /** Updates this hasher with {@code len} bytes starting at {@code off} in the given buffer. */
  protected void update(byte[] b, int off, int len) {
    for (int i = off; i < off + len; i++) {
      update(b[i]);
    }
  }

  /** Updates this hasher with bytes from the given buffer. */
  protected void update(ByteBuffer b) {

        # To allow special characters in headers
        ignore_invalid_headers off;
        # Allow any size file to be uploaded.
        # Set to a value such as 1000m; to restrict file size to a specific value
        client_max_body_size 0;
        # To disable buffering
        proxy_buffering off;
        proxy_request_buffering off;

        location / {
            proxy_set_header Host $http_host;

                    request.setRemainingBytes(len - w - off);
                    request.setData(b, off, w);
                    Smb2WriteResponse resp = th.send(request, RequestParam.NO_RETRY);
                    cnt = resp.getCount();
                }
                else {
                    SmbComWriteAndX request = new SmbComWriteAndX(th.getConfig(), fh.getFid(), this.fp, len - w - off, b, off, w, null);