canvasManagement/Management.Web/Pages/CanvasRequestsQueue.razor

@page "/test"
@rendermode InteractiveServer

@using Microsoft.AspNetCore.SignalR.Client

@inject CanvasService canvas
@inject CoursePlanner planner
@inject FileStorageManager fileStorageManager
@inject IActorBridge bridge
@inject NavigationManager Navigation

@code {
  private HubConnection? hubConnection;
  public string? CourseName = "1400";
  @* private bool loading = true; *@

  protected override async Task OnInitializedAsync()
  {
    if (planner.LocalCourse == null)
    {
      System.Diagnostics.Activity.Current = null;
      using var activity = DiagnosticsConfig.Source?.StartActivity("Loading Course");
      activity?.AddTag("CourseName", CourseName);
      var courses = await fileStorageManager.LoadSavedCourses();
      planner.LocalCourse = courses.First(c => c.Settings.Name == CourseName);
    }


    Console.WriteLine(Navigation.BaseUri + "SignalRHub");
    hubConnection = new HubConnectionBuilder()
    .WithUrl(Navigation.BaseUri + "SignalRHub")
    .WithAutomaticReconnect()
    .Build();


    hubConnection.On("SentFromActor", () =>
    {
      Console.WriteLine("recieved from actor");
    });

    await hubConnection.StartAsync();

    base.OnInitialized();
    @* loading = false; *@
  }

  private async Task SendAkkaMessage()
  {
    System.Diagnostics.Activity.Current = null;
    using var activity = DiagnosticsConfig.Source?.StartActivity("sending akka message from blazor");

    if (planner.LocalCourse != null && planner.LocalCourse.Settings.CanvasId != null && hubConnection?.ConnectionId != null)
    {
      ulong id = (ulong)planner.LocalCourse.Settings.CanvasId;

      var message = new GetModulesMessage(0, id, (string)hubConnection.ConnectionId, activity?.TraceId, ParentSpan:
      activity?.SpanId);
      var response = await bridge.Ask<CanvasModulesMessage>(message);
      Console.WriteLine(response);
    }
  }
}

<button @onclick=SendAkkaMessage>test akka</button>