internal void Delete()
{
if (_records[0].HardLinkCount != 0)
{
throw new InvalidOperationException("Attempt to delete in-use file: " + ToString());
}
NtfsStream objIdStream = GetStream(AttributeType.ObjectId, null);
if (objIdStream != null)
{
ObjectId objId = objIdStream.GetContent <ObjectId>();
Context.ObjectIds.Remove(objId.Id);
}
foreach (var attr in _attributes)
{
attr.GetDataBuffer().SetCapacity(0);
}
AttributeRecord attrListRec = _records[0].GetAttribute(AttributeType.AttributeList);
if (attrListRec != null)
{
StructuredNtfsAttribute <AttributeList> attrList = (StructuredNtfsAttribute <AttributeList>)GetAttribute(new AttributeReference(MftReference, attrListRec.AttributeId));
foreach (var record in attrList.Content)
{
FileRecord attrFileRecord = _records[0];
if (record.BaseFileReference.MftIndex != _records[0].MasterFileTableIndex)
{
attrFileRecord = _context.Mft.GetRecord(record.BaseFileReference);
}
if (attrFileRecord != null)
{
attrFileRecord.RemoveAttribute(record.AttributeId);
if (attrFileRecord.Attributes.Count == 0)
{
_context.Mft.RemoveRecord(record.BaseFileReference);
}
}
}
}
List <AttributeRecord> records = new List <AttributeRecord>(_records[0].Attributes);
foreach (var record in records)
{
_records[0].RemoveAttribute(record.AttributeId);
}
_attributes.Clear();
_context.Mft.RemoveRecord(MftReference);
_context.ForgetFile(this);
}
public void Delete()
{
if (_records[0].HardLinkCount != 0)
{
throw new InvalidOperationException("Attempt to delete in-use file: " + ToString());
}
_context.ForgetFile(this);
NtfsStream objIdStream = GetStream(AttributeType.ObjectId, null);
if (objIdStream != null)
{
ObjectId objId = objIdStream.GetContent <ObjectId>();
Context.ObjectIds.Remove(objId.Id);
}
// Truncate attributes, allowing for truncation silently removing the AttributeList attribute
// in some cases (large file with all attributes first extent in the first MFT record). This
// releases all allocated clusters in most cases.
List <NtfsAttribute> truncateAttrs = new List <NtfsAttribute>(_attributes.Count);
foreach (NtfsAttribute attr in _attributes)
{
if (attr.Type != AttributeType.AttributeList)
{
truncateAttrs.Add(attr);
}
}
foreach (NtfsAttribute attr in truncateAttrs)
{
attr.GetDataBuffer().SetCapacity(0);
}
// If the attribute list record remains, free any possible clusters it owns. We've now freed
// all clusters.
NtfsAttribute attrList = GetAttribute(AttributeType.AttributeList, null);
if (attrList != null)
{
attrList.GetDataBuffer().SetCapacity(0);
}
// Now go through the MFT records, freeing them up
foreach (FileRecord mftRecord in _records)
{
_context.Mft.RemoveRecord(mftRecord.Reference);
}
_attributes.Clear();
_records.Clear();
}
public void Accessed()
{
DateTime now = DateTime.UtcNow;
NtfsStream siStream = GetStream(AttributeType.StandardInformation, null);
StandardInformation si = siStream.GetContent <StandardInformation>();
si.LastAccessTime = now;
siStream.SetContent(si);
MarkMftRecordDirty();
}
public void UpdateRecordInMft()
{
if (MftRecordIsDirty)
{
if (NtfsTransaction.Current != null)
{
NtfsStream stream = GetStream(AttributeType.StandardInformation, null);
StandardInformation si = stream.GetContent <StandardInformation>();
si.MftChangedTime = NtfsTransaction.Current.Timestamp;
stream.SetContent(si);
}
bool fixesApplied = true;
while (fixesApplied)
{
fixesApplied = false;
for (int i = 0; i < _records.Count; ++i)
{
FileRecord record = _records[i];
bool fixedAttribute = true;
while (record.Size > _mft.RecordSize && fixedAttribute)
{
fixedAttribute = false;
if (!fixedAttribute && !record.IsMftRecord)
{
foreach (AttributeRecord attr in record.Attributes)
{
if (!attr.IsNonResident &&
!_context.AttributeDefinitions.MustBeResident(attr.AttributeType))
{
MakeAttributeNonResident(
new AttributeReference(record.Reference, attr.AttributeId),
(int)attr.DataLength);
fixedAttribute = true;
break;
}
}
}
if (!fixedAttribute)
{
foreach (AttributeRecord attr in record.Attributes)
{
if (attr.AttributeType == AttributeType.IndexRoot &&
ShrinkIndexRoot(attr.Name))
{
fixedAttribute = true;
break;
}
}
}
if (!fixedAttribute)
{
if (record.Attributes.Count == 1)
{
fixedAttribute = SplitAttribute(record);
}
else
{
if (_records.Count == 1)
{
CreateAttributeList();
}
fixedAttribute = ExpelAttribute(record);
}
}
fixesApplied |= fixedAttribute;
}
}
}
MftRecordIsDirty = false;
foreach (FileRecord record in _records)
{
_mft.WriteRecord(record);
}
}
}
