public void Execute(RepositoryContext context, RepositoryTaskCallback onCompleted)
{
algorithm.Push(read.Buffer.Data, read.Buffer.Offset, Math.Min(read.Buffer.Count, read.Count));
Metainfo metainfo = context.Metainfo;
byte[] expected = metainfo.Pieces[read.Piece].ToBytes();
byte[] hash = algorithm.Complete();
bool result = Bytes.Equals(hash, expected);
bitfield[read.Piece] = result;
algorithm.Dispose();
int next = Next(scope, read.Piece + 1);
bool exists = context.View.Exists(next, 0);
if (exists)
{
context.Queue.Add(new Start(bitfield, scope, next, block));
}
else
{
block.Release();
onCompleted.Invoke(this);
context.Bitfile.Write(bitfield);
context.Hooks.CallDataVerified(metainfo.Hash, bitfield);
}
}
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 void Execute(RepositoryContext context, RepositoryTaskCallback onCompleted)
{
onCompleted.Invoke(this);
Action <byte[]> release = context.Dependencies.Memory.Release;
DataBlock data = new FileBufferDataBlock(read, release);
context.Hooks.CallBlockRead(context.Parameters.Hash, index, data);
}
public void Execute(RepositoryContext context, RepositoryTaskCallback onCompleted)
{
int blockSize = context.Metainfo.Properties.BlockSize;
RepositoryMemoryBlock block = context.Dependencies.Memory.Allocate(blockSize);
FileBuffer buffer = new FileBuffer(block.Data, 0, blockSize);
context.View.Read(buffer, index.Piece.Index, index.Offset / blockSize, result =>
{
context.Queue.Add(new Complete(index, result));
});
}
public void Execute(RepositoryContext context, RepositoryTaskCallback onCompleted)
{
data.With((buffer, offset, count) =>
{
int blockSize = context.Metainfo.Properties.BlockSize;
FileBuffer file = new FileBuffer(buffer, offset, count);
context.View.Write(file, index.Piece.Index, index.Offset / blockSize, args =>
{
context.Queue.Add(new Complete(index, data));
});
});
}
public void Execute(RepositoryContext context, RepositoryTaskCallback onCompleted)
{
algorithm.Push(read.Buffer.Data, read.Buffer.Offset, Math.Min(read.Buffer.Count, read.Count));
int step = block.Length / context.Metainfo.Properties.BlockSize;
context.View.Read(block.Data, read.Piece, read.Block + step, args =>
{
if (args.Count > 0 && context.View.Exists(args.Piece, args.Block + step))
{
context.Queue.Add(new Continue(bitfield, scope, algorithm, args, block));
}
else
{
context.Queue.Add(new Complete(bitfield, scope, algorithm, args, block));
}
});
}
public void Execute(RepositoryContext context, RepositoryTaskCallback onCompleted)
{
algorithm.Push(read.Buffer.Data, read.Buffer.Offset, Math.Min(read.Buffer.Count, read.Count));
Metainfo metainfo = context.Metainfo;
byte[] expected = metainfo.Pieces[piece.Index].ToBytes();
byte[] hash = algorithm.Complete();
bool result = Bytes.Equals(hash, expected);
AcceptIfRequired(context, result);
RejectIfRequired(context, result);
algorithm.Dispose();
block.Release();
onCompleted.Invoke(this);
}
public void Execute(RepositoryContext context, RepositoryTaskCallback onCompleted)
{
int blocksInBuffer = block.Length / context.Metainfo.Properties.BlockSize;
int blocksInPiece = context.Metainfo.Properties.PieceSize / context.Metainfo.Properties.BlockSize;
int step = Math.Min(blocksInBuffer, blocksInPiece);
FileBuffer buffer = new FileBuffer(block.Data, 0, step * context.Metainfo.Properties.BlockSize);
context.View.Read(buffer, piece, 0, args =>
{
if (args.Count > 0 && context.View.Exists(args.Piece, args.Block + step))
{
context.Queue.Add(new Continue(bitfield, scope, algorithm, args, block));
}
else
{
context.Queue.Add(new Complete(bitfield, scope, algorithm, args, block));
}
});
}
public void Execute(RepositoryContext context, RepositoryTaskCallback onCompleted)
{
HashAlgorithm algorithm = SHA1.Create();
int bufferSize = context.Configuration.BufferSize;
RepositoryMemoryBlock block = context.Dependencies.Memory.Allocate(bufferSize);
int step = block.Length / context.Metainfo.Properties.BlockSize;
context.View.Read(block.Data, piece.Index, 0, args =>
{
if (args.Count > 0 && context.View.Exists(piece.Index, args.Block + step))
{
context.Queue.Add(new Continue(piece, args, algorithm, block));
}
else
{
context.Queue.Add(new Complete(piece, args, algorithm, block));
}
});
}
public void Execute(RepositoryContext context, RepositoryTaskCallback onCompleted)
{
int length = context.Metainfo.Pieces.Length;
Bitfield bitfield = context.Bitfile.Read();
bitfield = bitfield ?? new Bitfield(length);
Bitfield reduced = ReduceScope(bitfield);
int next = Next(reduced, 0);
if (next < length)
{
int bufferSize = context.Configuration.BufferSize;
RepositoryMemoryBlock block = context.Dependencies.Memory.Allocate(bufferSize);
context.Queue.Add(new Start(bitfield, reduced, next, block));
}
else
{
onCompleted.Invoke(this);
context.Hooks.CallDataVerified(context.Metainfo.Hash, bitfield);
}
}
public void Execute(RepositoryContext context, RepositoryTaskCallback onCompleted)
{
data.Release();
onCompleted.Invoke(this);
context.Hooks.CallBlockWritten(context.Metainfo.Hash, index);
}
public void Execute(RepositoryContext context, RepositoryTaskCallback onCompleted)
{
context.View.Flush();
}
