public DeviceElementValue(Guid parentObject, PhysicalVolumeInfo pvi)
{
_parentObject = parentObject;
PartitionRecord record = new PartitionRecord();
record.Type = 6;
if (pvi.VolumeType == PhysicalVolumeType.BiosPartition)
{
record.PartitionType = 1;
record.DiskIdentity = new byte[4];
Utilities.WriteBytesLittleEndian(pvi.DiskSignature, record.DiskIdentity, 0);
record.PartitionIdentity = new byte[8];
Utilities.WriteBytesLittleEndian(pvi.PhysicalStartSector * 512, record.PartitionIdentity, 0);
}
else if (pvi.VolumeType == PhysicalVolumeType.GptPartition)
{
record.PartitionType = 0;
record.DiskIdentity = new byte[16];
Utilities.WriteBytesLittleEndian(pvi.DiskIdentity, record.DiskIdentity, 0);
record.PartitionIdentity = new byte[16];
Utilities.WriteBytesLittleEndian(pvi.PartitionIdentity, record.PartitionIdentity, 0);
}
else
{
throw new NotImplementedException(string.Format(CultureInfo.InvariantCulture, "Unknown how to convert volume type {0} to a Device element", pvi.VolumeType));
}
_record = record;
}
public DeviceElementValue()
{
_parentObject = Guid.Empty;
PartitionRecord record = new PartitionRecord();
record.Type = 5;
_record = record;
}
protected override void DoParse(byte[] data, int offset)
{
base.DoParse(data, offset);
_container = DeviceRecord.Parse(data, offset + 0x34);
int pathStart = 0x34 + _container.Size;
_path = Encoding.Unicode.GetString(data, offset + pathStart, Length - pathStart);
}
public static DeviceRecord Parse(byte[] data, int offset)
{
int type = Utilities.ToInt32LittleEndian(data, offset);
int length = Utilities.ToInt32LittleEndian(data, offset + 0x8);
if (offset + length > data.Length)
{
throw new InvalidDataException("Device record is truncated");
}
DeviceRecord newRecord = null;
switch (type)
{
case 0:
newRecord = new DeviceAndPathRecord();
break;
case 5: // Logical 'boot' device
case 6: // Disk partition
newRecord = new PartitionRecord();
break;
case 8: // custom:nnnnnn
break;
default:
throw new NotImplementedException("Unknown device type: " + type);
}
if (newRecord != null)
{
newRecord.DoParse(data, offset);
}
return(newRecord);
}
public DeviceElementValue(byte[] value)
{
_parentObject = Utilities.ToGuidLittleEndian(value, 0x00);
_record = DeviceRecord.Parse(value, 0x10);
}