private Chunk RegisterChunk(int Start, int Length, int Id = 0)
{
if (Id == 0)
{
Id = GetNewChunkID();
}
Chunk NewChunk = new Chunk(Start, Length, 0, Id);
EmptyChunks.Add(NewChunk.Id, NewChunk);
EmptyChunksStart.Add(NewChunk.Start, NewChunk);
EmptyChunksLength.Add(NewChunk.Length, NewChunk);
return(NewChunk);
}
private Chunk GetNewChunk(int DataLength)
{
Logger.Debug($"M: GET NEW CHUNK");
int ChunkId = GetNewChunkID();
int ChunkStart = GetEndOfArchive();
int ChunkLength = DataLength;
SetEndOfArchive(ChunkStart + ChunkLength);
Chunk NewChunk = new Chunk(ChunkStart, ChunkLength, 0, ChunkId);
EmptyChunks.Add(ChunkId, NewChunk);
return(NewChunk);
}
public void MarkChunkAsEmpty(int ChunkId, int FileId)
{
Logger.Debug($"M: MARK CHUNK {ChunkId} AS NOT WRITTEN BY {FileId}");
Chunk Chunk = GetChunkByIdInternal(ChunkId);
Chunk.SetNotWritten();
if (!(Files.ContainsKey(FileId)))
{
throw new FileNotFoundException($"File {FileId} not found in Metadata");
}
Files[FileId].DeleteChunk(ChunkId);
if (!(Chunk.IsWritten()))
{
if (WrittenChunks.ContainsKey(Chunk.Id))
{
WrittenChunks.Remove(Chunk.Id);
}
try
{
Chunk PreChunk = GetChunkBeforIfEmpty(Chunk);
Chunk = CombineChunks(PreChunk, Chunk);
}
catch (ChunkNotFoundException)
{
}
try
{
Chunk AfterChunk = GetChunkAfterIfEmpty(Chunk);
Chunk = CombineChunks(Chunk, AfterChunk);
}
catch (ChunkNotFoundException)
{
}
if (!(EmptyChunks.ContainsKey(Chunk.Id)))
{
EmptyChunks.Add(Chunk.Id, Chunk);
EmptyChunksStart.Add(Chunk.Start, Chunk);
EmptyChunksLength.Add(Chunk.Length, Chunk);
}
}
}