public static async Task <VirtualDiskIncrement> CreateNewAsync(
VirtualDisk vd,
IBackupLocationFactory sourceLocationFactory,
IBackupLocationFactory targetLocationFactory,
string targetLocation,
int incrementSize,
HashSet <string> existingChunkHashes
)
{
VirtualDiskIncrement increment = new VirtualDiskIncrement();
Stream sourceStream = sourceLocationFactory.Open(vd);
byte[] buffer = new byte[incrementSize];
int chunkIndex = 0;
while (sourceStream.Position < sourceStream.Length)
{
long remainingBytes = sourceStream.Length - sourceStream.Position;
if (remainingBytes < buffer.Length)
{
buffer = new byte[remainingBytes];
}
await increment.SaveVirtualDiskChunkAsync(sourceStream, chunkIndex, existingChunkHashes, targetLocationFactory, targetLocation, buffer);
chunkIndex++;
}
return(increment);
}
public void AddIncrement(VirtualDiskIncrement increment)
{
if (OriginalIncrement == null)
{
OriginalIncrement = increment;
}
else
{
_increments.Add(increment);
}
}