class Program
{
    static void Main(string[] args)
    {
        string url =
         @"http://localhost:8080/";
        using (WebApp.Start<Startup>(url))
        {
           Console.WriteLine(string.Format("Server
           running at {0}", url));
            Console.ReadLine();
         }

    }
}
public class Test : Hub
{
    public void S(string message)
    {
            Clients.All.R(message);
    }

}

public class Startup
{
    public void Configuration(IAppBuilder app)
    {
        app.UseCors(CorsOptions.AllowAll);
        app.MapSignalR();
    }
}

class Program
{
    static void Main(string[] args)
    {

        IHubProxy _hub;
        string url = @"http://localhost:8080/";
        var connection = new HubConnection(url);
        _hub = connection.CreateHubProxy("Test");
        connection.Start().Wait();
        string line=Console.ReadLine();
        _hub.Invoke("S", line).Wait();
        _hub.On("R", x => Console.WriteLine(x));
        Console.ReadLine();


    }
}