No Clients in SignalR Context

Question

I'm new to SignalR and am experimenting with setting up a host service that I can use to send events to other applications. I had a problem calling a method for all clients. In the code below, _context.Clients.All is always empty. Any ideas?

Test Method:

var server = new SignalRServer();
server.Start("http://localhost:8555");
var hubConnection = new HubConnection("http://localhost:8555");
var proxy = hubConnection.CreateHubProxy("testHub");
var executed = false;
proxy.On("testMethod", () =>
{
  executed = true;
});
hubConnection.Start().Wait();
var hub = new TestHubContext(GlobalHost.ConnectionManager.GetHubContext<TestHub>());
hub.Test();
hubConnection.Stop();
server.Stop();

Self host server:

public class SignalRServer
{
    private IDisposable _signalR;

    public void Start(string url)
    {
        _signalR = WebApp.Start<SignalRStartup>(url);
    }

    public void Stop()
    {
        _signalR.Dispose();
    }
}

public class SignalRStartup
{
    public static IAppBuilder App = null;

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

Hub:

public class TestHub : Hub
{

}

public class TestHubContext
{
    private IHubContext _context;


    public TestHubContext(IHubContext context)
    {
        _context = context;
    }


    public void Test()
    {
        if (_context != null)
        {
            // At this poing _context.Clients.All is always empty
            _context.Clients.All.testMethod();
        }
    }
}

Answer 1

I think your context / client connections are great. Without further information, I assume that your problem is that you close the connection and the server too quickly after calling hub.Test ()

.Stop() Console.ReadLine , ) ,