}

        // ensure file is open
        try (SmbFileHandleImpl fh = ensureOpen(); SmbTreeHandleImpl th = fh.getTree()) {
            int w;
            do {
                w = len > this.writeSize ? this.writeSize : len;
                long cnt;

                if (th.isSMB2()) {
                    final Smb2WriteRequest request = new Smb2WriteRequest(th.getConfig(), fh.getFileId());

        if (LogStream.level >= 4) {
            SmbFile.log.println("write: fid=" + file.fid + ",off=" + off + ",len=" + len);
        }

        int w;
        do {
            w = len > writeSize ? writeSize : len;
            if (useNTSmbs) {
                reqx.setParam(file.fid, fp, len - w, b, off, w);
                if ((flags & 1) != 0) {
                    reqx.setParam(file.fid, fp, len, b, off, w);

        buffer[1] = 0x00;
        // Last Write Time (UTime): A sample timestamp in milliseconds
        long sampleTimeMillis = 1672531200000L; // Represents a specific date in milliseconds
        ServerMessageBlock.writeUTime(sampleTimeMillis, buffer, 2);
        // File Size: 1024 bytes
        ServerMessageBlock.writeInt4(1024, buffer, 6);

        response.wordCount = 10; // Must be non-zero to read

 * <li> <code>TransactNamedPipe</code> A message-type pipe call that
 *      writes to and reads from an existing pipe descriptor in one operation.
 * <li> <code>CreateFile</code>, <code>ReadFile</code>,
 *      <code>WriteFile</code>, and <code>CloseFile</code> A byte-type pipe can
 *      be opened, written to, read from and closed using the standard Win32
 *      file operations.
 * </ul>
 *

    protected int writeParameterWordsWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt2(this.fileAttributes, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeUTime(this.lastWriteTime, dst, dstIndex);
        dstIndex += 4;
        // reserved
        dstIndex += 10;
        return dstIndex - start;
    }

    @Override

    protected int writeParameterWordsWireFormat(final byte[] dst, int dstIndex) {
        SMBUtil.writeInt2(this.fid, dst, dstIndex);
        dstIndex += 2;
        if (this.digest != null) {
            SMB1SigningDigest.writeUTime(getConfig(), this.lastWriteTime, dst, dstIndex);
        } else {
            log.trace("SmbComClose without a digest");
        }
        return 6;
    }

    @Override

        command = SMB_COM_CLOSE;
    }

    @Override
    int writeParameterWordsWireFormat(final byte[] dst, int dstIndex) {
        writeInt2(fid, dst, dstIndex);
        dstIndex += 2;
        writeUTime(lastWriteTime, dst, dstIndex);
        return 6;
    }

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

    @Override

 * <li><code>TransactNamedPipe</code> A message-type pipe call that
 * writes to and reads from an existing pipe descriptor in one operation.
 * <li><code>CreateFile</code>, <code>ReadFile</code>,
 * <code>WriteFile</code>, and <code>CloseFile</code> A byte-type pipe can
 * be opened, written to, read from and closed using the standard Win32
 * file operations.
 * </ul>
 *
 * <p>

        assertEquals(6, bytesWritten);
        assertEquals(fid, SMBUtil.readInt2(dst, 0));
        // With a digest, the lastWriteTime should be written.
        // We can't verify the exact bytes without a real implementation of writeUTime,
        // but we can check that it's not zero.
        long writtenTime = SMBUtil.readInt4(dst, 2) & 0xFFFFFFFFL;
        // This is a weak check, but better than nothing.

     * @param dst
     *            The destination byte array
     * @param dstIndex
     *            The starting index in the destination array
     */
    public static void writeUTime(final Configuration cfg, long t, final byte[] dst, final int dstIndex) {
        if (t == 0L || t == 0xFFFFFFFFFFFFFFFFL) {
            SMBUtil.writeInt4(0xFFFFFFFF, dst, dstIndex);
            return;
        }