private void HandleHandshake(PeerId id, HandshakeMessage message)
{
TorrentManager man = null;
try
{
if (message.ProtocolString != VersionInfo.ProtocolStringV100)
{
throw new ProtocolException("Invalid protocol string in handshake");
}
}
catch (Exception ex)
{
Debug.WriteLine(id.Connection, ex.Message);
id.Connection.Dispose();
return;
}
man = Engine.Torrents.FirstOrDefault(t => message.InfoHash == t.InfoHash);
ClientEngine.MainLoop.QueueWait(delegate
{
foreach (var t in Engine.Torrents.Where(t => message.InfoHash == t.InfoHash))
{
man = t;
}
});
//FIXME: #warning FIXME: Don't stop the message loop until Dispose() and track all incoming connections
if (man == null) // We're not hosting that torrent
{
//Debug.WriteLine("ListenManager - Handshake requested nonexistant torrent");
id.Connection.Dispose();
return;
}
if (man.State == TorrentState.Stopped)
{
Debug.WriteLine("ListenManager - Handshake requested for torrent which is not running");
id.Connection.Dispose();
return;
}
if (!man.Mode.CanAcceptConnections)
{
Debug.WriteLine("ListenManager - Current mode does not support connections");
id.Connection.Dispose();
return;
}
id.Peer.PeerId = message.PeerId;
id.TorrentManager = man;
// If the handshake was parsed properly without encryption, then it definitely was not encrypted. If this is not allowed, abort
if ((id.Encryptor is PlainTextEncryption &&
!Toolbox.HasEncryption(Engine.Settings.AllowedEncryption, EncryptionTypes.PlainText)) &&
ClientEngine.SupportsEncryption)
{
Debug.WriteLine("ListenManager - Encryption is required but was not active");
id.Connection.Dispose();
return;
}
message.Handle(id);
Debug.WriteLine("ListenManager - Handshake successful handled");
id.ClientApp = new Software(message.PeerId);
message = new HandshakeMessage(id.TorrentManager.InfoHash, Engine.PeerId, VersionInfo.ProtocolStringV100);
var callback = Engine.ConnectionManager.IncomingConnectionAcceptedCallback;
PeerIO.EnqueueSendMessage(id.Connection, id.Encryptor, message, id.TorrentManager.UploadLimiter,
id.Monitor, id.TorrentManager.Monitor, callback, id);
}
/// <summary>
/// Creates a new inactive peer manager for a torrent manager
/// </summary>
/// <param name="torrentManager">The torrent manager this choke/unchoke manager belongs to</param>
public InactivePeerManager(TorrentManager torrentManager)
{
_owningTorrent = torrentManager;
}
