private static void assert(SmartDriveInfo drv, bool assertion)
{
if (!assertion)
{
throw new SmartReadException("Inconsistent data", drv);
}
}
/// <summary>
/// Retrieves information about physical drives present in the system, omitting any SMART data. Requires
/// administrative privileges. See also <see cref="GetDrivesWithSMART"/>.</summary>
public static List <SmartDriveInfo> GetDrives()
{
var drives1 = convert(new ManagementObjectSearcher(@"\\localhost\ROOT\Microsoft\Windows\Storage", "select * from MSFT_PhysicalDisk").Get());
var drives2 = convert(new ManagementObjectSearcher("select * from Win32_DiskDrive").Get());
var drives = new List <SmartDriveInfo>();
foreach (var drive1 in drives1)
{
var id = drive1.Get("DeviceId", null)?.ToString();
if (id == null || id == "")
{
throw new SmartReadException($"DeviceId is missing, empty or null", null);
}
var drive2 = drives2.SingleOrDefault(d2 => d2.Get("Index", null)?.ToString() == id);
if (drive2 == null)
{
throw new SmartReadException($"Could not find matching drive in Win32_DiskDrive: DeviceId={id}", null);
}
var drive = new SmartDriveInfo();
try
{
drive.DeviceIndex = drive1["DeviceId"].ToString();
drive.DeviceId_PnP = (string)drive2["PNPDeviceID"];
drive.DeviceId_WinName = (string)drive2["DeviceID"];
drive.DeviceId_UniqueId = (string)drive1["UniqueId"];
drive.UniqueIdType = (UniqueIdType)(ushort)drive1["UniqueIdFormat"];
drive.Model = drive1["Model"].ToString();
drive.SerialNumber = (string)drive1["SerialNumber"];
drive.FirmwareVersion = (string)drive1["FirmwareVersion"];
drive.BusType = (BusType)(ushort)drive1["BusType"];
drive.MediaType = (MediaType)(ushort)drive1["MediaType"];
drive.Size = (ulong)drive1["Size"];
drive.LogicalSectorSize = (ulong)drive1["LogicalSectorSize"];
drive.PhysicalSectorSize = (ulong)drive1["PhysicalSectorSize"];
drive.Location = (string)drive1["PhysicalLocation"];
}
catch (Exception e)
{
throw new SmartReadException("Could not parse WMI data", drive, e);
}
assert(drive, drive.DeviceId_WinName == (string)drive2["Name"]);
assert(drive, drive.Model == (string)drive2["Model"]);
assert(drive, drive.Model == (string)drive1["FriendlyName"]);
assert(drive, drive.Model == (string)drive2["Caption"]);
assert(drive, drive.SerialNumber == ((string)drive2["SerialNumber"]).Trim());
assert(drive, drive.FirmwareVersion == (string)drive2["FirmwareRevision"]);
assert(drive, drive.Size >= (ulong)drive2["Size"]); // raw drive can be a little larger
assert(drive, drive.LogicalSectorSize == (uint)drive2["BytesPerSector"]);
drives.Add(drive);
}
return(drives);
}
private static string getMessage(string message, SmartDriveInfo drv)
{
if (drv == null)
{
return(message);
}
else
{
return($"{message} [DeviceIndex={drv.DeviceIndex}, Serial={drv?.SerialNumber ?? "?"}]");
}
}
internal SmartReadException(string message, SmartDriveInfo drv, Exception inner)
: base(getMessage(message, drv), inner)
{
}
