public Partition Add(Entry entry)
{
var desiredSize = new GptSegment(currentSector, ToSectors(entry.Size.Bytes));
var size = calculator.Constraint(desiredSize);
Log.Verbose("PartitionEntry to add: {@Entry}, Desired Size={DesiredSize}, Final Size={FinalSize}", desiredSize, size);
var partition = new Partition(entry.Name, entry.GptType, bytesPerSector)
{
Attributes = entry.Attributes,
FirstSector = size.Start,
LastSector = size.End,
Guid = Guid.NewGuid(),
};
Log.Verbose("Adding pending partition to the context: {@Partition}", partition);
handler.Partitions.Add(partition);
EnsureValidLayout(handler.Partitions, SizeInSectors);
availableSectorSize -= size.Length;
currentSector += size.Length + chunkSize;
return(partition);
}
public GptSegment Constraint(GptSegment desired)
{
var size = SmallerDivisible(desired.Length, chunkSize);
var rightLimit = totalSectors - 1 * chunkSize;
var finalFirst = Math.Min(SmallerDivisible(desired.Start, chunkSize), rightLimit);
var finalLast = Math.Min(finalFirst + size, rightLimit);
var finalLength = finalLast - finalFirst;
return(new GptSegment(finalFirst, finalLength));
}
