internal void AddPieceRequests(PeerId id)
{
int maxRequests = id.MaxPendingRequests;
if (id.AmRequestingPiecesCount >= maxRequests)
{
return;
}
int count = 1;
if (id.Connection is HttpConnection)
{
if (id.AmRequestingPiecesCount > 0)
{
return;
}
// How many whole pieces fit into 2MB
count = (2 * 1024 * 1024) / Manager.Torrent.PieceLength;
// Make sure we have at least one whole piece
count = Math.Max(count, 1);
count *= Manager.Torrent.PieceLength / Piece.BlockSize;
}
if (!id.IsChoking || id.SupportsFastPeer)
{
while (id.AmRequestingPiecesCount < maxRequests)
{
PieceRequest request = Picker.ContinueExistingRequest(id, 0, id.BitField.Length - 1);
if (request != null)
{
id.MessageQueue.Enqueue(new RequestMessage(request.PieceIndex, request.StartOffset, request.RequestLength));
}
else
{
break;
}
}
}
if (!id.IsChoking || (id.SupportsFastPeer && id.IsAllowedFastPieces.Count > 0))
{
while (id.AmRequestingPiecesCount < maxRequests)
{
List <PeerId> otherPeers = Manager.Peers.ConnectedPeers ?? new List <PeerId> ();
IList <PieceRequest> request = Picker.PickPiece(id, id.BitField, otherPeers, count);
if (request != null && request.Count > 0)
{
id.MessageQueue.Enqueue(new RequestBundle(request));
}
else
{
break;
}
}
}
if (!id.IsChoking && id.AmRequestingPiecesCount == 0)
{
while (id.AmRequestingPiecesCount < maxRequests)
{
PieceRequest request = Picker.ContinueAnyExisting(id, 0, Manager.Bitfield.Length - 1);
if (request != null)
{
id.MessageQueue.Enqueue(new RequestMessage(request.PieceIndex, request.StartOffset, request.RequestLength));
}
else
{
break;
}
}
}
}
