* 
     */
    public static int SMB2_CHANNEL_NONE = 0x0;
    /**
     * 
     */
    public static int SMB2_CHANNEL_RDMA_V1 = 0x1;
    /**
     * 
     */
    public static int SMB2_CHANNEL_RDMA_V1_INVALIDATE = 0x2;

    private byte[] fileId;
    private final byte[] outputBuffer;
    private final int outputBufferOffset;
    private byte padding;
    private byte readFlags;
    private int readLength;

    /**
     * 
     */
    public static final int FSCTL_FILE_LEVEL_TRIM = 0x00098208;
    /**
     * 
     */
    public static final int FSCTL_VALIDATE_NEGOTIATE_INFO = 0x000140204;

    /**
     * 
     */
    public static final int SMB2_O_IOCTL_IS_FSCTL = 0x1;

    private byte[] fileId;
    private final int controlCode;

                    try {
                        return interrogate(getTransportContext(), this.dcList[ i ]);
                    }
                    catch ( SmbException se ) {
                        log.warn("Failed validate DC: " + this.dcList[ i ], se);
                    }
                    this.dcList[ i ] = null;
                }
            }

            /*

                        } catch (SmbException se) {
                            if (SmbTransport.log.level >= 2) {
                                SmbTransport.log.println( "Failed validate DC: " + dc_list[i] );
                                if (SmbTransport.log.level > 2)
                                    se.printStackTrace( SmbTransport.log );
                            }
                        }