public void Execute(RepositoryContext context, RepositoryTaskCallback onCompleted)
{
long position = 0;
int pieces = context.Metainfo.Properties.Pieces;
int pieceSize = context.Metainfo.Properties.PieceSize;
int blockSize = context.Metainfo.Properties.BlockSize;
RepositoryAllocation allocation = new RepositoryAllocation(pieces);
RepositoryViewAllocator allocator = new RepositoryViewAllocator(context.Dependencies.Files);
foreach (MetainfoEntry entry in context.Metainfo.Entries)
{
string path = entry.GetPath(context.Parameters.Destination);
FileInfo info = new FileInfo(path);
if (info.Exists == false)
{
EnsureDirectoryExists(path);
allocation.Add(entry, new RepositoryAllocationRange((int)(position / pieceSize), (int)((position + entry.Size) / pieceSize)));
}
position += entry.Size;
}
MetainfoEntry[] entries = context.Metainfo.Entries;
RepositoryViewCache cache = allocator.Allocate(context.Parameters.Destination, entries, pieceSize, blockSize);
context.View = new RepositoryView(cache);
context.Hooks.CallDataAllocated(context.Metainfo.Hash, context.Parameters.Destination);
}
public RepositoryViewReadRoutine(RepositoryViewCache cache, int piece, FileBuffer buffer, RepositoryViewReadCallback callback)
{
this.piece = piece;
this.buffer = buffer;
this.callback = callback;
this.entries = cache.Find(piece);
this.offset = piece * (long)cache.PieceSize;
}
public RepositoryViewWriteRoutine(RepositoryViewCache cache, int piece, int block, FileBuffer buffer, RepositoryViewWriteCallback callback)
{
this.piece = piece;
this.block = block;
this.buffer = buffer;
this.callback = callback;
this.entries = cache.Find(piece, block, 1);
this.offset = piece * (long)cache.PieceSize + block * cache.BlockSize;
}
public RepositoryView(RepositoryViewCache cache)
{
this.cache = cache;
}