private static byte[] Encode(TorrentInfo torrentInfo, int interval, int minInterval)
{
var response = new Dictionary<string, object>
{
["complete"] = torrentInfo.GetCompletedPeersCount(),
["incomplete"] = torrentInfo.GetIncompletedPeersCount(),
["interval"] = interval,
["min interval"] = minInterval,
["peers"] = GetPeersAsBytesArray(torrentInfo.Peers)
};
return BencodeUtility.Encode(response).ToArray();
}
public async Task<TorrentInfo> ProcessAnnounce(string infoHash, TorrentEvent @event, PeerInfo peer)
{
var torrent = await _torrents.Find(t => t.InfoHash == infoHash).FirstOrDefaultAsync();
if (torrent != null)
{
var currentPeer = torrent.Peers.SingleOrDefault(p => p.IpAddress == peer.IpAddress);
switch (@event)
{
case TorrentEvent.Started:
if (currentPeer != null)
{
currentPeer.State = State.Downloading;
break;
}
torrent.Peers.Add(peer);
break;
case TorrentEvent.Stopped:
if (currentPeer != null)
{
torrent.Peers.Remove(currentPeer);
}
break;
case TorrentEvent.Completed:
if (currentPeer != null)
{
currentPeer.State = State.Downloaded;
}
break;
case TorrentEvent.None:
if (currentPeer != null)
{
torrent.Peers.Add(peer);
}
break;
}
torrent.LastUpdateDate = DateTime.Now;
await _torrents.ReplaceOneAsync(t => t.Id == torrent.Id, torrent);
}
else
{
torrent = new TorrentInfo(infoHash);
torrent.Peers.Add(peer);
torrent.LastUpdateDate = DateTime.Now;
await _torrents.InsertOneAsync(torrent);
}
return torrent;
}
public AnnounceResult(TorrentInfo torrentInfo, int interval, int minInterval)
{
_torrentInfo = torrentInfo;
_interval = interval;
_minInterval = minInterval;
}