コード例 #1
0
        public static NTStatus GetFileSystemInformation(out QueryFSInformation result, INTFileStore fileStore, QueryFSInformationLevel informationLevel)
        {
            result = null;

            FileSystemInformation fsInfo;

            switch (informationLevel)
            {
            case QueryFSInformationLevel.SMB_QUERY_FS_VOLUME_INFO:
            {
                NTStatus status = fileStore.GetFileSystemInformation(out fsInfo, FileSystemInformationClass.FileFsVolumeInformation);
                if (status != NTStatus.STATUS_SUCCESS)
                {
                    return(status);
                }

                FileFsVolumeInformation volumeInfo = (FileFsVolumeInformation)fsInfo;

                QueryFSVolumeInfo information = new QueryFSVolumeInfo();
                information.VolumeCreationTime = volumeInfo.VolumeCreationTime;
                information.SerialNumber       = volumeInfo.VolumeSerialNumber;
                information.VolumeLabel        = volumeInfo.VolumeLabel;
                result = information;
                return(NTStatus.STATUS_SUCCESS);
            }

            case QueryFSInformationLevel.SMB_QUERY_FS_SIZE_INFO:
            {
                NTStatus status = fileStore.GetFileSystemInformation(out fsInfo, FileSystemInformationClass.FileFsSizeInformation);
                if (status != NTStatus.STATUS_SUCCESS)
                {
                    return(status);
                }

                FileFsSizeInformation fsSizeInfo = (FileFsSizeInformation)fsInfo;

                QueryFSSizeInfo information = new QueryFSSizeInfo();
                information.TotalAllocationUnits     = fsSizeInfo.TotalAllocationUnits;
                information.TotalFreeAllocationUnits = fsSizeInfo.AvailableAllocationUnits;
                information.BytesPerSector           = fsSizeInfo.BytesPerSector;
                information.SectorsPerAllocationUnit = fsSizeInfo.SectorsPerAllocationUnit;
                result = information;
                return(NTStatus.STATUS_SUCCESS);
            }

            case QueryFSInformationLevel.SMB_QUERY_FS_DEVICE_INFO:
            {
                NTStatus status = fileStore.GetFileSystemInformation(out fsInfo, FileSystemInformationClass.FileFsDeviceInformation);
                if (status != NTStatus.STATUS_SUCCESS)
                {
                    return(status);
                }

                FileFsDeviceInformation fsDeviceInfo = (FileFsDeviceInformation)fsInfo;

                QueryFSDeviceInfo information = new QueryFSDeviceInfo();
                information.DeviceType            = fsDeviceInfo.DeviceType;
                information.DeviceCharacteristics = fsDeviceInfo.Characteristics;
                result = information;
                return(NTStatus.STATUS_SUCCESS);
            }

            case QueryFSInformationLevel.SMB_QUERY_FS_ATTRIBUTE_INFO:
            {
                NTStatus status = fileStore.GetFileSystemInformation(out fsInfo, FileSystemInformationClass.FileFsAttributeInformation);
                if (status != NTStatus.STATUS_SUCCESS)
                {
                    return(status);
                }

                FileFsAttributeInformation fsAttributeInfo = (FileFsAttributeInformation)fsInfo;

                QueryFSAttibuteInfo information = new QueryFSAttibuteInfo();
                information.FileSystemAttributes     = fsAttributeInfo.FileSystemAttributes;
                information.MaxFileNameLengthInBytes = fsAttributeInfo.MaximumComponentNameLength;
                information.FileSystemName           = fsAttributeInfo.FileSystemName;
                result = information;
                return(NTStatus.STATUS_SUCCESS);
            }

            default:
            {
                return(NTStatus.STATUS_OS2_INVALID_LEVEL);
            }
            }
        }
コード例 #2
0
        internal static QueryFSInformation GetFSInformation(QueryFSInformationLevel informationLevel, IFileSystem fileSystem)
        {
            switch (informationLevel)
            {
            case QueryFSInformationLevel.SMB_INFO_ALLOCATION:
            {
                QueryFSInfoAllocation result = new QueryFSInfoAllocation();
                result.FileSystemID   = 0;
                result.SectorUnit     = ClusterSize / BytesPerSector;
                result.UnitsTotal     = (uint)Math.Min(fileSystem.Size / ClusterSize, UInt32.MaxValue);
                result.UnitsAvailable = (uint)Math.Min(fileSystem.FreeSpace / ClusterSize, UInt32.MaxValue);
                result.Sector         = BytesPerSector;
                return(result);
            }

            case QueryFSInformationLevel.SMB_INFO_VOLUME:
            {
                QueryFSInfoVolume result = new QueryFSInfoVolume();
                result.VolumeLabel        = String.Empty;
                result.VolumeSerialNumber = 0;
                return(result);
            }

            case QueryFSInformationLevel.SMB_QUERY_FS_VOLUME_INFO:
            {
                QueryFSVolumeInfo result = new QueryFSVolumeInfo();
                result.VolumeCreationTime = DateTime.Now;
                return(result);
            }

            case QueryFSInformationLevel.SMB_QUERY_FS_SIZE_INFO:
            {
                QueryFSSizeInfo result = new QueryFSSizeInfo();
                result.TotalAllocationUnits     = (ulong)(fileSystem.Size / ClusterSize);
                result.TotalFreeAllocationUnits = (ulong)(fileSystem.FreeSpace / ClusterSize);
                result.BytesPerSector           = BytesPerSector;
                result.SectorsPerAllocationUnit = ClusterSize / BytesPerSector;
                return(result);
            }

            case QueryFSInformationLevel.SMB_QUERY_FS_DEVICE_INFO:
            {
                QueryFSDeviceInfo result = new QueryFSDeviceInfo();
                result.DeviceCharacteristics = DeviceCharacteristics.FILE_DEVICE_IS_MOUNTED;
                result.DeviceType            = DeviceType.FILE_DEVICE_DISK;
                return(result);
            }

            case QueryFSInformationLevel.SMB_QUERY_FS_ATTRIBUTE_INFO:
            {
                QueryFSAttibuteInfo result = new QueryFSAttibuteInfo();
                result.FileSystemAttributes     = FileSystemAttributes.FILE_UNICODE_ON_DISK;
                result.MaxFileNameLengthInBytes = 255;
                result.FileSystemName           = fileSystem.Name;
                return(result);
            }

            default:
            {
                throw new UnsupportedInformationLevelException();
            }
            }
        }