/// <summary>
        /// Deep copy constructor.
        /// </summary>
        public SmbTrans2QueryFileInformationRequestPacket(SmbTrans2QueryFileInformationRequestPacket packet)
            : base(packet)
        {
            this.InitDefaultValue();

            this.trans2Parameters.FID = packet.trans2Parameters.FID;
            this.trans2Parameters.InformationLevel = packet.trans2Parameters.InformationLevel;
            this.trans2Data.GetExtendedAttributeList.SizeOfListInBytes =
                packet.trans2Data.GetExtendedAttributeList.SizeOfListInBytes;

            if (packet.trans2Data.GetExtendedAttributeList.GEAList != null
                && packet.trans2Data.GetExtendedAttributeList.GEAList.Length > 0)
            {
                this.trans2Data.GetExtendedAttributeList.GEAList =
                    new SMB_GEA[packet.trans2Data.GetExtendedAttributeList.GEAList.Length];
                Array.Copy(
                    packet.trans2Data.GetExtendedAttributeList.GEAList,
                    this.trans2Data.GetExtendedAttributeList.GEAList,
                    packet.trans2Data.GetExtendedAttributeList.GEAList.Length);
            }
        }
        /// <summary>
        /// Deep copy constructor.
        /// </summary>
        public SmbTrans2QueryFileInformationRequestPacket(SmbTrans2QueryFileInformationRequestPacket packet)
            : base(packet)
        {
            this.InitDefaultValue();

            this.trans2Parameters.FID = packet.trans2Parameters.FID;
            this.trans2Parameters.InformationLevel = packet.trans2Parameters.InformationLevel;
            this.trans2Data.GetExtendedAttributeList.SizeOfListInBytes =
                packet.trans2Data.GetExtendedAttributeList.SizeOfListInBytes;

            if (packet.trans2Data.GetExtendedAttributeList.GEAList != null &&
                packet.trans2Data.GetExtendedAttributeList.GEAList.Length > 0)
            {
                this.trans2Data.GetExtendedAttributeList.GEAList =
                    new SMB_GEA[packet.trans2Data.GetExtendedAttributeList.GEAList.Length];
                Array.Copy(
                    packet.trans2Data.GetExtendedAttributeList.GEAList,
                    this.trans2Data.GetExtendedAttributeList.GEAList,
                    packet.trans2Data.GetExtendedAttributeList.GEAList.Length);
            }
        }
        /// <summary>
        /// to create a Trans2QueryFileInformation request packet.
        /// </summary>
        /// <param name="messageId">This field SHOULD be the multiplex ID that is used to associate a response with a
        /// request.</param>
        /// <param name="uid">This field SHOULD identify the authenticated instance of the user.</param>
        /// <param name="treeId">This field identifies the subdirectory (or tree) on the server that the client is
        /// accessing.</param>
        /// <param name="flags">An 8-bit field of 1-bit flags describing various features in effect for the
        /// message</param>
        /// <param name="flags2">A 16-bit field of 1-bit flags that represent various features in effect for the
        /// message. Unspecified bits are reserved and MUST be zero.</param>
        /// <param name="maxParameterCount">The maximum number of parameter bytes that the client will accept in the
        /// transaction reply. The server MUST NOT return more than this number of parameter bytes.</param>
        /// <param name="maxDataCount">The maximum number of data bytes that the client will accept in the transaction
        /// reply. The server MUST NOT return more than this number of data bytes.</param>
        /// <param name="maxSetupCount">Maximum number of setup bytes that the client will accept in the transaction
        /// reply. The server MUST NOT return more than this number of setup bytes</param>
        /// <param name="smbParametersFlags">A set of bit flags that alter the behavior of the requested operation.
        /// Unused bit fields MUST be set to zero by the client sending the request, and MUST be ignored by the server
        /// receiving the request. The client MAY set either or both of the following bit flags</param>
        /// <param name="timeout">The number of milliseconds the server SHOULD wait for completion of the transaction
        /// before generating a timeout. A value of zero indicates that the operation MUST NOT block.</param>
        /// <param name="informationLevel">This field contains an information level code, which determines the
        /// information contained in the response.</param>
        /// <param name="fid">This field MUST contain a valid FID returned from a previously successful SMB open
        /// command</param>
        /// <param name="name">This field is present but not used in SMB_COM_TRANSACTION2 requests. If Unicode support
        /// has been negotiated, then this field MUST be aligned to a 16-bit boundary and MUST consist of two null bytes
        /// (a null-terminator). If Unicode support has not been negotiated this field will contain only one null
        /// byte.</param>
        /// <param name="extendedAttributeList">This field MUST contain an array of extended file attribute name value
        /// pairs.</param>
        /// <returns>a Trans2QueryFileInformation request packet</returns>
        public SmbTrans2QueryFileInformationRequestPacket CreateTrans2QueryFileInformationRequest(
            ushort messageId,
            ushort uid,
            ushort treeId,
            SmbFlags flags,
            SmbFlags2 flags2,
            ushort maxParameterCount,
            ushort maxDataCount,
            byte maxSetupCount,
            Trans2SmbParametersFlags smbParametersFlags,
            uint timeout,
            string name,
            ushort fid,
            QueryInformationLevel informationLevel,
            SMB_GEA[] extendedAttributeList)
        {
            if (name == null)
            {
                name = string.Empty;
            }
            if (extendedAttributeList == null)
            {
                extendedAttributeList = new SMB_GEA[0];
            }

            SmbTrans2QueryFileInformationRequestPacket packet = new SmbTrans2QueryFileInformationRequestPacket();
            packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_TRANSACTION2,
                messageId, uid, treeId, flags, flags2);

            // Set Smb_Parameters
            SMB_COM_TRANSACTION2_Request_SMB_Parameters smbParameters =
                new SMB_COM_TRANSACTION2_Request_SMB_Parameters();
            smbParameters.MaxParameterCount = maxParameterCount;
            smbParameters.MaxDataCount = maxDataCount;
            smbParameters.MaxSetupCount = maxSetupCount;
            smbParameters.Flags = (ushort)smbParametersFlags;
            smbParameters.Timeout = timeout;
            smbParameters.SetupCount = 1; // the correct count in word of the Setup is always 1.
            smbParameters.Setup = new ushort[] { (ushort)Trans2SubCommand.TRANS2_QUERY_FILE_INFORMATION };
            smbParameters.WordCount = (byte)(CifsMessageUtils.GetSize<SMB_COM_TRANSACTION2_Request_SMB_Parameters>(
                smbParameters) / NumBytesOfWord);

            // Set Smb_Data
            SMB_COM_TRANSACTION2_Request_SMB_Data smbData = new SMB_COM_TRANSACTION2_Request_SMB_Data();
            smbData.Name = CifsMessageUtils.ToSmbStringBytes(name,
                (flags2 & SmbFlags2.SMB_FLAGS2_UNICODE) == SmbFlags2.SMB_FLAGS2_UNICODE);

            // Set Trans2_Parameters
            TRANS2_QUERY_FILE_INFORMATION_Request_Trans2_Parameters trans2Parameters =
                new TRANS2_QUERY_FILE_INFORMATION_Request_Trans2_Parameters();
            trans2Parameters.FID = fid;
            trans2Parameters.InformationLevel = informationLevel;

            // Set Trans2_Data
            TRANS2_QUERY_PATH_INFORMATION_Request_Trans2_Data trans2Data =
                new TRANS2_QUERY_PATH_INFORMATION_Request_Trans2_Data();
            trans2Data.GetExtendedAttributeList.GEAList = extendedAttributeList;
            trans2Data.GetExtendedAttributeList.SizeOfListInBytes =
                (uint)CifsMessageUtils.GetSize<uint>(trans2Data.GetExtendedAttributeList.SizeOfListInBytes);
            trans2Data.GetExtendedAttributeList.SizeOfListInBytes +=
                CifsMessageUtils.GetSmbQueryEAListSize(extendedAttributeList);

            packet.SmbParameters = smbParameters;
            packet.SmbData = smbData;
            packet.Trans2Parameters = trans2Parameters;
            packet.Trans2Data = trans2Data;
            packet.UpdateCountAndOffset();

            return packet;
        }
        public SmbTrans2QueryFileInformationFinalResponsePacket CreateTrans2QueryFileInformationFinalResponse(
            CifsServerPerConnection connection,
            SmbTrans2QueryFileInformationRequestPacket request,
            object queryInformationLevel)
        {
            if (queryInformationLevel != null &&
                !CheckInformationLevel(request.Trans2Parameters.InformationLevel, queryInformationLevel))
            {
                throw new InvalidCastException("The findInformationLevel must correspond with "
                    + request.Trans2Parameters.InformationLevel);
            }

            SmbTrans2QueryFileInformationFinalResponsePacket response = new SmbTrans2QueryFileInformationFinalResponsePacket();
            response.SmbHeader = CifsMessageUtils.CreateSmbHeader(connection, request);

            TRANS2_QUERY_PATH_INFORMATION_Response_Trans2_Parameters trans2Parameters = response.Trans2Parameters;
            trans2Parameters.EaErrorOffset = 0x0000;
            response.Trans2Parameters = trans2Parameters;

            TRANS2_QUERY_PATH_INFORMATION_Response_Trans2_Data trans2Data = response.Trans2Data;
            trans2Data.Data = queryInformationLevel;
            response.Trans2Data = trans2Data;

            response.UpdateCountAndOffset();

            return response;
        }