public VolumeRecord(List <DatabaseRecordFragment> fragments) : base(fragments)
{
// Data begins at 0x10 (VBLK header is at 0x00)
int offset = 0x00; // relative to Data
ReadCommonFields(this.Data, ref offset);
if (RecordRevision != 5)
{
throw new NotImplementedException("Unsupported record revision");
}
VolumeTypeString = ReadVarString(this.Data, ref offset);
DisableDriverLetterAssignmentString = ReadVarString(this.Data, ref offset);
StateString = ByteReader.ReadAnsiString(this.Data, ref offset, 14).Trim('\0');
ReadPolicy = (ReadPolicyName)ByteReader.ReadByte(this.Data, ref offset);
VolumeNumber = ReadVarUInt(this.Data, ref offset);
VolumeFlags = (VolumeFlags)BigEndianReader.ReadUInt32(this.Data, ref offset);
NumberOfComponents = ReadVarUInt(this.Data, ref offset);
CommitTransactionID = BigEndianReader.ReadUInt64(this.Data, ref offset);
UnknownTransactionID = BigEndianReader.ReadUInt64(this.Data, ref offset);
SizeLBA = ReadVarULong(this.Data, ref offset);
offset += 4;
PartitionType = (PartitionType)ByteReader.ReadByte(this.Data, ref offset);
VolumeGuid = BigEndianReader.ReadGuid(this.Data, ref offset);
if (HasUnknownID1Flag)
{
UnknownID1 = ReadVarULong(this.Data, ref offset);
}
if (HasUnknownID2Flag)
{
UnknownID2 = ReadVarULong(this.Data, ref offset);
}
if (HasColumnSizeFlag)
{
ColumnSizeLBA = ReadVarULong(this.Data, ref offset);
}
if (HasMountHintFlag)
{
MountHint = ReadVarString(this.Data, ref offset);
}
}
public void Refresh()
{
// Set defaults
largeIcon = null;
smallIcon = null;
volLabel = "";
volType = VolumeTypes.Invalid;
serNum = 0;
maxCompLen = 0;
volFlags = VolumeFlags.Unknown;
fsName = "";
// Get the volume type
volType = (VolumeTypes)GetDriveType(uri.LocalPath);
// If not successful, throw an exception
if (volType == VolumeTypes.Invalid)
{
throw new InvalidVolumeException(uri);
}
// Declare Receiving Variables
StringBuilder VolLabel = new StringBuilder(256); // Label
UInt32 VolFlags = new UInt32();
StringBuilder FSName = new StringBuilder(256); // File System Name
// Attempt to retreive the information
long Ret = GetVolumeInformation(uri.LocalPath, VolLabel, (UInt32)VolLabel.Capacity, ref serNum, ref maxCompLen, ref VolFlags, FSName, (UInt32)FSName.Capacity);
// if (Ret != 0) throw new VolumeAccessException();
// Move to regular variables
volLabel = VolLabel.ToString();
volFlags = (VolumeFlags)VolFlags;
fsName = FSName.ToString();
// Attempt to get icons
largeIcon = GetIcon(true);
smallIcon = GetIcon(false);
}
/**********************************************************
* Utility Methods
*********************************************************/
private bool FlagSet(VolumeFlags Flag)
{
return((volFlags & Flag) == Flag);
}
public VolumeInformationRecord(byte[] buffer, int offset) : base(buffer, offset)
{
MajorVersion = ByteReader.ReadByte(this.Data, 0x08);
MinorVersion = ByteReader.ReadByte(this.Data, 0x09);
VolumeFlags = (VolumeFlags)LittleEndianConverter.ToUInt16(this.Data, 0x0A);
}
private void OnVolumeChanged(DeviceEvent eventType, char driveLetter, VolumeFlags flags)
{
Debug.Print("Hardware.OnVolumeChanged(): {0} {1}: {2}", eventType, driveLetter, flags);
var eh = VolumeChanged;
if (eh != null) {
var changeType = (eventType == DeviceEvent.DeviceArrival) ?
VolumeChangedArgs.ChangeType.Added : VolumeChangedArgs.ChangeType.Removed;
var args = new VolumeChangedArgs(driveLetter, changeType);
eh(this, args);
}
}
