public void GetFileStream(NamedObjectStream stream, string uncPath, string contentFilename,
                                  long?startRange = null, long?endRange = null)
        {
            object     fileHandle = new object();
            FileStatus status;

            SMBLibrary.FileInformation fileInfo = null;
            var pathToFile = $"{uncPath}\\{contentFilename}";

            _status = _smb2FileStore.CreateFile(out fileHandle, out status, pathToFile,
                                                AccessMask.GENERIC_READ, 0, ShareAccess.Read, CreateDisposition.FILE_OPEN,
                                                CreateOptions.FILE_NON_DIRECTORY_FILE, null);

            if (_status == NTStatus.STATUS_SUCCESS)
            {
                bool   read      = true;
                byte[] data      = null;
                int    start     = (startRange != null && startRange.ToInt(0) >= 0) ? startRange.ToInt(0) : 0;
                int    chunkSize = 65536;


                _smb2FileStore.GetFileInformation(out fileInfo, fileHandle,
                                                  FileInformationClass.FileStandardInformation);

                //populate the stream metadata
                stream.Name = contentFilename;

                //is this a ranged call?
                if (startRange != null && endRange != null)
                {
                    chunkSize = ((endRange - startRange) < chunkSize) ? (int)(endRange - startRange + 1) : chunkSize;
                    int remainingBytesToRead = endRange.ToInt(0) - startRange.ToInt(0) + 1;

                    while (read)
                    {
                        _smb2FileStore.ReadFile(out var chunk, fileHandle, start, chunkSize);
                        stream.Write(chunk);
                        start += chunkSize;
                        remainingBytesToRead -= chunkSize;
                        chunkSize             = (remainingBytesToRead < chunkSize) ? remainingBytesToRead : chunkSize;

                        if (remainingBytesToRead <= 0)
                        {
                            read = false;
                        }
                    }
                }


                while (read)
                {
                    _smb2FileStore.ReadFile(out var chunk, fileHandle, start, chunkSize);
                    stream.Write(chunk);
                    start += chunkSize;
                    if (chunk == null || chunk.Length < chunkSize)
                    {
                        read = false;
                    }
                }

                stream.Position = 0;
                _smb2FileStore.CloseFile(fileHandle);
            }
        }
        public async Task <NamedObjectBytes> GetFileByes(string uncPath, string contentFilename,
                                                         long?startRange = null, long?endRange = null)
        {
            Stopwatch timer = Stopwatch.StartNew();


            //Console.WriteLine($"SMB2ConnectionClient.GetFileBytes - CreateFile - PRECONNECT - THREADID:{this.GetHashCode()} NTStatus:{_status} FileStatus:NoConnection HOST:{_host} SHARE:{_share }PATH:{uncPath} FILENAME:{contentFilename} ");


            _smb2FileStore = TreeConnect(_share, out _status) as SMB2FileStore;
            if (_smb2FileStore == null)
            {
                _connected = false;

                return(null);
            }



            object     fileHandle = new object();
            FileStatus status;

            SMBLibrary.FileInformation fileInfo = null;
            var pathToFile = $"{uncPath}\\{contentFilename}";

            _status = _smb2FileStore.CreateFile(out fileHandle, out status, pathToFile,
                                                AccessMask.GENERIC_READ, 0, ShareAccess.Read, CreateDisposition.FILE_OPEN,
                                                CreateOptions.FILE_NON_DIRECTORY_FILE, null);
            Console.WriteLine($"SMB2ConnectionClient.GetFileBytes - CreateFile- POSTCONNECT - THREADID:{this.GetHashCode()} NTStatus:{_status} FileStatus:{status} HOST:{_host} SHARE:{_share }PATH:{uncPath} FILENAME:{contentFilename} ");


            if (_status == NTStatus.STATUS_SUCCESS)
            {
                bool   read      = true;
                byte[] data      = null;
                int    start     = (startRange != null && startRange.ToInt(0) >= 0) ? startRange.ToInt(0) : 0;
                int    chunkSize = 65536;


                _smb2FileStore.GetFileInformation(out fileInfo, fileHandle,
                                                  FileInformationClass.FileStandardInformation);

                //is this a ranged call?
                if (startRange != null && endRange != null)
                {
                    chunkSize = ((endRange - startRange) < chunkSize) ? (int)(endRange - startRange + 1) : chunkSize;
                    int remainingBytesToRead = endRange.ToInt(0) - startRange.ToInt(0) + 1;

                    while (read)
                    {
                        _smb2FileStore.ReadFile(out var chunk, fileHandle, start, chunkSize);
                        data   = data == null ? chunk : data.Concat(chunk).ToArray();
                        start += chunkSize;
                        remainingBytesToRead -= chunkSize;
                        chunkSize             = (remainingBytesToRead < chunkSize) ? remainingBytesToRead : chunkSize;

                        if (remainingBytesToRead <= 0)
                        {
                            read = false;
                        }
                    }

                    _smb2FileStore.CloseFile(fileHandle);
                    return(new NamedObjectBytes()
                    {
                        FileBytes = data,
                        TotalFileLength = ((FileStandardInformation)fileInfo).EndOfFile,
                        RetrieveSpeedMs = timer.Elapsed.TotalMilliseconds
                    });
                }


                while (read)
                {
                    _smb2FileStore.ReadFile(out var chunk, fileHandle, start, chunkSize);
                    if (chunk == null)
                    {
                        Debugger.Break();
                    }
                    data   = data == null ? chunk : data.Concat(chunk).ToArray();
                    start += chunkSize;
                    if (chunk == null || chunk.Length < chunkSize)
                    {
                        read = false;
                    }
                }

                _smb2FileStore.CloseFile(fileHandle);

                return(new NamedObjectBytes()
                {
                    FileBytes = data,
                    TotalFileLength = ((FileStandardInformation)fileInfo).EndOfFile,
                    RetrieveSpeedMs = timer.Elapsed.TotalMilliseconds
                });
            }

            return(null);
        }