protected virtual void HandleRequestMessage(PeerId id, RequestMessage message)
{
// If we are not on the last piece and the user requested a stupidly big/small amount of data
// we will close the connection
if (Manager.Torrent.Pieces.Count != (message.PieceIndex + 1))
{
if (message.RequestLength > RequestMessage.MaxSize || message.RequestLength < RequestMessage.MinSize)
{
throw new MessageException("Illegal piece request received. Peer requested " + message.RequestLength +
" byte");
}
}
var m = new PieceMessage(message.PieceIndex, message.StartOffset, message.RequestLength);
// If we're not choking the peer, enqueue the message right away
if (!id.AmChoking)
{
id.IsRequestingPiecesCount++;
id.PieceReads.Add(m);
id.TryProcessAsyncReads();
}
// If the peer supports fast peer and the requested piece is one of the allowed pieces, enqueue it
// otherwise send back a reject request message
else if (id.SupportsFastPeer && ClientEngine.SupportsFastPeer)
{
if (id.AmAllowedFastPieces.Contains(message.PieceIndex))
{
id.IsRequestingPiecesCount++;
id.PieceReads.Add(m);
id.TryProcessAsyncReads();
}
else
{
id.Enqueue(new RejectRequestMessage(m));
}
}
}