internal ClientAnnounceResponseMessage(AnnounceResponse response, TrustZoneSharedKey trustZoneSharedKey) : base()
{
Response = response;
TrustZoneSharedKey = trustZoneSharedKey;
}
public void ReceivedData(UdpReceiveResult res, UdpClient client)
{
var receivedData = res.Buffer;
var endPointAddress = res.RemoteEndPoint.Address;
var addressString = endPointAddress.ToString();
if (receivedData.Length > 12)
{
var action = Unpack.UInt32(receivedData, 8); //connect,announce,scrape
switch (action)
{
case 0:
var connectRequest = new ConnectRequest(receivedData);
Console.WriteLine("[Connect] from " + addressString + ":" + res.RemoteEndPoint.Port);
var connectResponse = new ConnectResponse(0, connectRequest.TransactionID, (long)13376969);
SendDataAsync(client, connectResponse.Data, res.RemoteEndPoint);
break;
case 1:
var announceRequest = new AnnounceRequest(receivedData);
Console.WriteLine("[Announce] from " + addressString + ":" + announceRequest.Port + ", " + (TorrentEvent)announceRequest.TorrentEvent);
var peer = new TorrentPeer(addressString, announceRequest.Port);
if ((TorrentEvent)announceRequest.TorrentEvent != TorrentEvent.Stopped)
{
RedisBacking.AddPeer(peer, announceRequest.InfoHash);
}
else
{
RedisBacking.RemovePeer(peer, announceRequest.InfoHash);
}
var peers = RedisBacking.GetPeers(announceRequest.InfoHash);
var torrentInfo = RedisBacking.ScrapeHashes(new List <byte[]>()
{
announceRequest.InfoHash
});
var announceResponse = new AnnounceResponse(announceRequest.TransactionID, AnnounceInterval, torrentInfo.First().Leechers, torrentInfo.First().Seeders, peers);
SendDataAsync(client, announceResponse.Data, res.RemoteEndPoint);
break;
case 2:
var scrapeRequest = new ScrapeRequest(receivedData);
Console.WriteLine(string.Format("[Scrape] from {0} for {1} torrents", addressString, scrapeRequest.InfoHashes.Count));
var scrapedTorrents = RedisBacking.ScrapeHashes(scrapeRequest.InfoHashes);
var scrapeResponse = new ScrapeResponse(scrapeRequest.TransactionID, scrapedTorrents);
SendDataAsync(client, scrapeResponse.Data, res.RemoteEndPoint);
break;
default:
Console.WriteLine(Encoding.UTF8.GetString(receivedData));
break;
}
}
else
{
Console.WriteLine(Encoding.UTF8.GetString(receivedData));
}
}
