final int length = readUShort(src, index);
        final int offset = readULong(src, index + 4);
        final byte[] buffer = new byte[length];
        System.arraycopy(src, offset, buffer, 0, length);
        return buffer;
    }

    static void writeULong(final byte[] dest, final int offset, final int ulong) {
        dest[offset] = (byte) (ulong & 0xff);

     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#readBytesWireFormat(byte[], int)
     */
    @Override
    protected int readBytesWireFormat(final byte[] buffer, final int bufferIndex) throws SMBProtocolDecodingException {
        final int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if (structureSize != 4) {
            throw new SMBProtocolDecodingException("Structure size is not 4");
        }
        return 4;
    }

import okio.BufferedSink
import okio.GzipSink
import okio.buffer

internal class GzipRequestBody(
  val delegate: RequestBody,
) : RequestBody() {
  override fun contentType() = delegate.contentType()

  // We don't know the compressed length in advance!
  override fun contentLength() = -1L

  override fun writeTo(sink: BufferedSink) {
    GzipSink(sink).buffer().use(delegate::writeTo)
  }

    protected int maxMpxCount = SmbConstants.DEFAULT_MAX_MPX_COUNT;
    /** Send buffer size for SMB socket operations */
    protected int smbSendBufferSize = SmbConstants.DEFAULT_SND_BUF_SIZE;
    /** Receive buffer size for SMB socket operations */
    protected int smbRecvBufferSize = SmbConstants.DEFAULT_RCV_BUF_SIZE;
    /** Buffer size for SMB notification operations */

        return dstIndex - start;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    int readBytesWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    public String toString() {

        return dstIndex - start;
    }

    @Override
    protected int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    protected int readBytesWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    public String toString() {

    string: String,
    pos: Int,
    limit: Int,
    result: Buffer,
  ): Boolean {
    if (!string.regionMatches(pos, PREFIX_STRING, 0, 4, ignoreCase = true)) {
      result.writeUtf8(string, pos, limit)
      return true
    }

    var pos = pos + 4 // 'xn--'.size.

    // We'd prefer to operate directly on `result` but it doesn't offer insertCodePoint(), only

// RequestRecorder - records the
// of a given io.Reader
type RequestRecorder struct {
	// Data source to record
	io.Reader
	// Response body should be logged
	LogBody bool

	// internal recording buffer
	buf bytes.Buffer
	// total bytes read including header size
	bytesRead int
}

// Close is a no operation closer
func (r *RequestRecorder) Close() error {
	// no-op
	return nil
}

		return etag
	}
	var buffer bytes.Buffer
	mac := hmac.New(sha256.New, key[:])
	mac.Write([]byte("SSE-etag"))
	if _, err := sio.Encrypt(&buffer, bytes.NewReader(etag), sio.Config{Key: mac.Sum(nil)}); err != nil {
		logger.CriticalIf(context.Background(), errors.New("Unable to encrypt ETag using object key"))
	}
	return buffer.Bytes()
}

        this.fileId = fileId;
    }

    /**
     * Constructs an SMB2 IOCTL request with output buffer
     * @param config the client configuration
     * @param controlCode the IOCTL control code
     * @param fileId the file identifier
     * @param outputBuffer the output buffer for the IOCTL operation
     */