private void PeerHandshakeSent(PeerId id)
{
PeerIO.EnqueueReceiveHandshake(id.Connection, id.Decryptor, _peerHandshakeReceivedCallback, id);
}
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)
{
Logger.Log(id.Connection, ex.Message);
id.Connection.Dispose();
return;
}
ClientEngine.MainLoop.QueueWait(() =>
{
foreach (var torrentManager in _engine.Torrents.Where(tm => message.InfoHash == tm.InfoHash))
{
man = torrentManager;
}
});
//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
{
Logger.Log(id.Connection, "ListenManager - Handshake requested nonexistant torrent");
id.Connection.Dispose();
return;
}
if (man.State == TorrentState.Stopped)
{
Logger.Log(id.Connection, "ListenManager - Handshake requested for torrent which is not running");
id.Connection.Dispose();
return;
}
if (!man.Mode.CanAcceptConnections)
{
Logger.Log(id.Connection, "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)
{
Logger.Log(id.Connection, "ListenManager - Encryption is required but was not active");
id.Connection.Dispose();
return;
}
message.Handle(id);
Logger.Log(id.Connection, "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);
}