internal AbstractStorage(StorageInfo storageInfo, string name, string firmwareRevision, string id, int index, ISettings settings)
: base(name, new Identifier(id, index.ToString(CultureInfo.InvariantCulture)), settings)
{
_storageInfo = storageInfo;
FirmwareRevision = firmwareRevision;
Index = index;
string[] logicalDrives = WindowsStorage.GetLogicalDrives(index);
var driveInfoList = new List <DriveInfo>(logicalDrives.Length);
foreach (string logicalDrive in logicalDrives)
{
try
{
var di = new DriveInfo(logicalDrive);
if (di.TotalSize > 0)
{
driveInfoList.Add(new DriveInfo(logicalDrive));
}
}
catch (ArgumentException) { }
catch (IOException) { }
catch (UnauthorizedAccessException) { }
}
DriveInfos = driveInfoList.ToArray();
}
public static AbstractStorage CreateInstance(string deviceId, uint driveNumber, ulong diskSize, int scsiPort, ISettings settings)
{
StorageInfo info = WindowsStorage.GetStorageInfo(deviceId, driveNumber);
info.DiskSize = diskSize;
info.DeviceId = deviceId;
info.Scsi = $@"\\.\SCSI{scsiPort}:";
if (info.Removable || info.BusType == Kernel32.STORAGE_BUS_TYPE.BusTypeVirtual || info.BusType == Kernel32.STORAGE_BUS_TYPE.BusTypeFileBackedVirtual)
{
return(null);
}
//fallback, when it is not possible to read out with the nvme implementation,
//try it with the sata smart implementation
if (info.BusType == Kernel32.STORAGE_BUS_TYPE.BusTypeNvme)
{
var x = NVMeGeneric.CreateInstance(info, settings);
if (x != null)
{
return(x);
}
}
if (info.BusType == Kernel32.STORAGE_BUS_TYPE.BusTypeAta ||
info.BusType == Kernel32.STORAGE_BUS_TYPE.BusTypeSata ||
info.BusType == Kernel32.STORAGE_BUS_TYPE.BusTypeNvme)
{
return(AtaStorage.CreateInstance(info, settings));
}
return(StorageGeneric.CreateInstance(info, settings));
}
internal static AbstractStorage CreateInstance(StorageInfo info, ISettings settings)
{
ISmart smart = new WindowsSmart(info.Index);
string name = null;
string firmwareRevision = null;
Kernel32.SMART_ATTRIBUTE[] values = { };
if (smart.IsValid)
{
bool nameValid = smart.ReadNameAndFirmwareRevision(out name, out firmwareRevision);
bool smartEnabled = smart.EnableSmart();
if (smartEnabled)
{
values = smart.ReadSmartData();
}
if (!nameValid)
{
name = null;
firmwareRevision = null;
}
}
else
{
string[] logicalDrives = WindowsStorage.GetLogicalDrives(info.Index);
if (logicalDrives == null || logicalDrives.Length == 0)
{
smart.Close();
return(null);
}
bool hasNonZeroSizeDrive = false;
foreach (string logicalDrive in logicalDrives)
{
try
{
var di = new DriveInfo(logicalDrive);
if (di.TotalSize > 0)
{
hasNonZeroSizeDrive = true;
break;
}
}
catch (ArgumentException) { }
catch (IOException) { }
catch (UnauthorizedAccessException) { }
}
if (!hasNonZeroSizeDrive)
{
smart.Close();
return(null);
}
}
if (string.IsNullOrEmpty(name))
{
name = string.IsNullOrEmpty(info.Name) ? "Generic Hard Disk" : info.Name;
}
if (string.IsNullOrEmpty(firmwareRevision))
{
firmwareRevision = string.IsNullOrEmpty(info.Revision) ? "Unknown" : info.Revision;
}
foreach (Type type in HddTypes)
{
// get the array of name prefixes for the current type
var namePrefixes = type.GetCustomAttributes(typeof(NamePrefixAttribute), true) as NamePrefixAttribute[];
// get the array of the required SMART attributes for the current type
var requiredAttributes = type.GetCustomAttributes(typeof(RequireSmartAttribute), true) as RequireSmartAttribute[];
// check if all required attributes are present
bool allRequiredAttributesFound = true;
if (requiredAttributes != null)
{
foreach (var requireAttribute in requiredAttributes)
{
bool attributeFound = false;
foreach (Kernel32.SMART_ATTRIBUTE value in values)
{
if (value.Id == requireAttribute.AttributeId)
{
attributeFound = true;
break;
}
}
if (!attributeFound)
{
allRequiredAttributesFound = false;
break;
}
}
}
// if an attribute is missing, then try the next type
if (!allRequiredAttributesFound)
{
continue;
}
// check if there is a matching name prefix for this type
if (namePrefixes != null)
{
foreach (NamePrefixAttribute prefix in namePrefixes)
{
if (name.StartsWith(prefix.Prefix, StringComparison.InvariantCulture))
{
var flags = BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance;
return(Activator.CreateInstance(type, flags, null, new object[] { info, smart, name, firmwareRevision, info.Index, settings }, null) as AtaStorage);
}
}
}
}
// no matching type has been found
smart.Close();
return(null);
}
