/// <remarks>
/// https://blogs.technet.microsoft.com/askcore/2009/10/16/the-four-stages-of-ntfs-file-growth/
/// </remarks>
public void UpdateSegments(int bytesPerFileRecordSegment, byte minorNTFSVersion)
{
m_segments[0].ReferenceCount = ReferenceCount;
m_segments[0].IsInUse = IsInUse;
m_segments[0].IsDirectory = IsDirectory;
List <AttributeRecord> attributes = this.Attributes;
foreach (FileRecordSegment segment in m_segments)
{
segment.ImmediateAttributes.Clear();
segment.NextAttributeInstance = 0;
}
int segmentLength = bytesPerFileRecordSegment - FileRecordSegment.GetNumberOfBytesAvailable(bytesPerFileRecordSegment, minorNTFSVersion);
foreach (AttributeRecord attribute in attributes)
{
segmentLength += (int)attribute.RecordLength;
}
if (segmentLength <= bytesPerFileRecordSegment)
{
// A single record segment is needed
foreach (AttributeRecord attribute in attributes)
{
m_segments[0].AddAttributeRecord(attribute.Clone());
}
// Free the rest of the segments, if there are any
for (int index = 1; index < m_segments.Count; index++)
{
m_segments[index].IsInUse = false;
}
}
else
{
// We slice the attributes and put them in segments, the attribute list will be built by the caller after the new segments will be allocated
FileRecordHelper.SliceAttributes(m_segments, attributes, bytesPerFileRecordSegment, minorNTFSVersion);
}
}
/// <remarks>
/// https://blogs.technet.microsoft.com/askcore/2009/10/16/the-four-stages-of-ntfs-file-growth/
/// </remarks>
public void UpdateSegments(int bytesPerFileRecordSegment, ushort minorNTFSVersion)
{
List <AttributeRecord> attributes = this.Attributes;
foreach (FileRecordSegment segment in m_segments)
{
segment.ImmediateAttributes.Clear();
}
int segmentLength = FileRecordSegment.GetFirstAttributeOffset(bytesPerFileRecordSegment, minorNTFSVersion);
segmentLength += FileRecordSegment.EndMarkerLength;
foreach (AttributeRecord attribute in attributes)
{
segmentLength += (int)attribute.RecordLength;
}
if (segmentLength <= bytesPerFileRecordSegment)
{
// A single record segment is needed
foreach (AttributeRecord attribute in attributes)
{
m_segments[0].ImmediateAttributes.Add(attribute);
}
// free the rest of the segments, if there are any
for (int index = 1; index < m_segments.Count; index++)
{
m_segments[index].IsInUse = false;
}
}
else
{
// We slice the attributes and put them in segments, the attribute list will be built by the caller after the new segments will be allocated
FileRecordHelper.SliceAttributes(m_segments, attributes, bytesPerFileRecordSegment, minorNTFSVersion);
}
}