public WriteOperation WriteTo(long position, byte[] data)
{
var operation = new FileTableOperation(drive => drive.Write(position, data), position);
Synchronizer.EnqueueOperation(operation);
return(operation);
}
private void writeAvailableContentBlocks()
{
lock (_entriesTableLock)
{
var endDriveBytes = BitConverter.GetBytes((int)ServiceBytes.DriveEnd);
var blockBytes = (_contentWriter?
.AvailableBlocks ?? new DriveBlock[0])
.SelectMany(x => new AvailableDriveBlock(x).GetBytes())
.ToArray();
var blockLengthBytes = BitConverter.GetBytes(blockBytes.Length);
var finalizeBytes = blockBytes
.Concat(blockLengthBytes)
.Concat(endDriveBytes)
.ToArray();
var operation = new FileTableOperation(drive =>
{
var writePosition = drive.Length;
drive.SetLength(drive.Length + finalizeBytes.Length);
drive.Position = writePosition;
return(drive.Write(finalizeBytes));
}, -1);
_synchronizer.EnqueueOperation(operation);
}
}
public WriteOperation SetContentSectorLength(long sectorRegionDataStartPosition, long sectorLength)
{
var position = sectorRegionDataStartPosition + ByteHelper.GetLength <int>() + ByteHelper.GetLength <long>();
var bytes = BitConverter.GetBytes(sectorLength);
var operation = new FileTableOperation(drive =>
{
var retv = drive.Write(position, bytes);
return(retv);
}, position);
Synchronizer.EnqueueOperation(operation);
return(operation);
}
protected override bool HandleAddedAvailableBlock(DriveBlock block)
{
//min entry length = 42
if (block.Length < 42)
{
return(false);
}
var blockLengthBytes = BitConverter.GetBytes(block.Length);
var bytesList = new List <byte>(blockLengthBytes)
{
(byte)ServiceMarks.Proceed
};
var operation = new FileTableOperation(drive => drive.Write(block.Position, bytesList.ToArray()), block.Position);
Synchronizer.EnqueueOperation(operation);
return(true);
}
private WriteOperation writeSectorInfo(SectorInfo sectorInfo)
{
var bytes = sectorInfo.GetBytes();
lock (_sectorsLock)
{
if (!_sectorInfoWriter.CheckCanWrite(bytes.Length))
{
throw new InvalidOperationException("Unable to write sector info");
}
if (sectorInfo.Mark != ServiceMarks.EntriesSector)
{
return(_sectorInfoWriter.Write(bytes));
}
var position = sectorInfo.StartPosition + sectorInfo.Length - ByteHelper.GetLength <int>();
var op = new FileTableOperation(drive => drive.Write(position, ServiceBytes.End), position);
_synchronizer.EnqueueOperation(op);
return(_sectorInfoWriter.Write(bytes));
}
}
