Microsoft.AspNet.SignalR.PersistentConnection.ProcessRequest C# (CSharp) Method

        public virtual Task ProcessRequest(HostContext context)
        {
            if (context == null)
            {
                throw new ArgumentNullException("context");
            }

            if (!_initialized)
            {
                throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, Resources.Error_ConnectionNotInitialized));
            }

            if (IsNegotiationRequest(context.Request))
            {
                return ProcessNegotiationRequest(context);
            }
            else if (IsPingRequest(context.Request))
            {
                return ProcessPingRequest(context);
            }

            Transport = GetTransport(context);

            if (Transport == null)
            {
                return FailResponse(context.Response, String.Format(CultureInfo.CurrentCulture, Resources.Error_ProtocolErrorUnknownTransport));
            }

            string connectionToken = context.Request.QueryString["connectionToken"];

            // If there's no connection id then this is a bad request
            if (String.IsNullOrEmpty(connectionToken))
            {
                return FailResponse(context.Response, String.Format(CultureInfo.CurrentCulture, Resources.Error_ProtocolErrorMissingConnectionToken));
            }

            string connectionId;
            string message;
            int statusCode;

            if (!TryGetConnectionId(context, connectionToken, out connectionId, out message, out statusCode))
            {
                return FailResponse(context.Response, message, statusCode);
            }

            // Set the transport's connection id to the unprotected one
            Transport.ConnectionId = connectionId;

            // Get the groups token from the request
            return Transport.GetGroupsToken()
                            .Then((g, pc, c) => pc.ProcessRequestPostGroupRead(c, g), this, context)
                            .FastUnwrap();
        }