async Task<TgConnection> EstablishForkConnection(TgConnection srcConn, int dcId)
{
var ep = DcInfoKeeper.FindEndpoint(dcId);
var connectInfo = ConnectInfo.FromInfo(srcConn.Session.Get().ApiId, ep);
var dstConn = await TgConnectionEstablisher.EstablishConnection(connectInfo, _callMiddlewareChain, _connHandler);
await TryExportAuth(srcConn, dstConn);
return dstConn;
}
public static async Task <TgConnection> EstablishConnection(
ILogger logger,
ConnectInfo connectInfo,
TgCallMiddlewareChain callMiddlewareChain,
TcpClientConnectionHandler?connHandler = null
)
{
var endpoint = connectInfo.Endpoint;
Helpers.Assert(endpoint != null, "endpoint == null");
var tcpClient = await CreateTcpClient(endpoint !, connHandler).ConfigureAwait(false);
var tcpTransport = new TcpTransport(tcpClient);
if (connectInfo.NeedsInAuth)
{
var mtPlainTransport = new MtProtoPlainTransport(tcpTransport);
var result = await Authenticator.DoAuthentication(mtPlainTransport).ConfigureAwait(false);
connectInfo.SetAuth(result);
}
var session = connectInfo.ToSession().AsVar();
var mtCipherTransport = new MtProtoCipherTransport(tcpTransport, session);
var transport = new TgCustomizedTransport(new TgTransport(logger, mtCipherTransport, session), callMiddlewareChain);
// TODO: separate Config
var config = new GetConfig();
var request = new InitConnection <GetConfig, Config>(
apiId: session.Get().ApiId,
appVersion: "1.0.0",
deviceModel: "PC",
langCode: "en",
query: config,
systemVersion: "Win 10.0",
systemLangCode: "en",
langPack: "tdesktop",
proxy: null,
@params: null
);
var invokeWithLayer = new InvokeWithLayer <InitConnection <GetConfig, Config>, Config>(
layer: SchemeInfo.LayerVersion,
query: request
);
var cfg = await transport.Call(invokeWithLayer).ConfigureAwait(false);
DcInfoKeeper.Update(cfg);
return(new TgConnection(session, transport, cfg));
}