public override byte[] ReadSectors(long sectorIndex, int sectorCount)
{
List <ArrayPosition> readPositions = TranslateSectors(sectorIndex, sectorCount);
byte[] result = new byte[sectorCount * BytesPerSector];
int bytesRead = 0;
foreach (ArrayPosition readPosition in readPositions)
{
DynamicColumn column = m_columns[readPosition.DiskIndex];
byte[] stripeBytes = column.ReadSectors(readPosition.SectorIndex, (int)readPosition.SectorCount);
Array.Copy(stripeBytes, 0, result, bytesRead, stripeBytes.Length);
bytesRead += stripeBytes.Length;
}
return(result);
}
public override byte[] ReadSectors(long sectorIndex, int sectorCount)
{
CheckBoundaries(sectorIndex, sectorCount);
List <ArrayPosition> readPositions = TranslateSectors(sectorIndex, sectorCount);
byte[] result = new byte[sectorCount * BytesPerSector];
int bytesRead = 0;
foreach (ArrayPosition readPosition in readPositions)
{
DynamicColumn column = m_columns[readPosition.DiskIndex];
byte[] stripeBytes;
if (column.IsOperational)
{
stripeBytes = column.ReadSectors(readPosition.SectorIndex, readPosition.SectorCount);
}
else
{
stripeBytes = new byte[readPosition.SectorCount * BytesPerDynamicDiskSector];
for (int index = 0; index < m_columns.Count; index++)
{
if (index != readPosition.DiskIndex)
{
byte[] currentBytes = m_columns[index].ReadSectors(readPosition.SectorIndex, readPosition.SectorCount);
stripeBytes = XOR(stripeBytes, currentBytes);
}
}
}
Array.Copy(stripeBytes, 0, result, bytesRead, stripeBytes.Length);
bytesRead += stripeBytes.Length;
}
return(result);
}
public override byte[] ReadSectors(long sectorIndex, int sectorCount)
{
CheckBoundaries(sectorIndex, sectorCount);
return(m_column.ReadSectors(sectorIndex, sectorCount));
}