Microsoft.AspNet.SignalR.Client.Connection.Negotiate C# (CSharp) Method

        private Task Negotiate(IClientTransport transport)
        {
            _connectionData = OnSending();

            return transport.Negotiate(this, _connectionData)
                            .Then(negotiationResponse =>
                            {
                                VerifyProtocolVersion(negotiationResponse.ProtocolVersion);

                                ConnectionId = negotiationResponse.ConnectionId;
                                ConnectionToken = negotiationResponse.ConnectionToken;
                                _disconnectTimeout = TimeSpan.FromSeconds(negotiationResponse.DisconnectTimeout);
                                _totalTransportConnectTimeout = TransportConnectTimeout + TimeSpan.FromSeconds(negotiationResponse.TransportConnectTimeout);

                                // Default the beat interval to be 5 seconds in case keep alive is disabled.
                                var beatInterval = TimeSpan.FromSeconds(5);

                                // If we have a keep alive
                                if (negotiationResponse.KeepAliveTimeout != null)
                                {
                                    _keepAliveData = new KeepAliveData(TimeSpan.FromSeconds(negotiationResponse.KeepAliveTimeout.Value));
                                    _reconnectWindow = _disconnectTimeout + _keepAliveData.Timeout;

                                    beatInterval = _keepAliveData.CheckInterval;
                                }
                                else
                                {
                                    _reconnectWindow = _disconnectTimeout;
                                }

                                Monitor = new HeartbeatMonitor(this, _stateLock, beatInterval);

                                return StartTransport();
                            })
                            .ContinueWithNotComplete(() => Disconnect());
        }