public async Task InvokeAsync(HttpContext context)
{
if (context.Request.Headers["Accept"] == "text/event-stream")
{
context.Response.ContentType = "text/event-stream";
var client = new SseClient(Guid.NewGuid(), context.Response);
serverSentEventsServie.AddClient(client);
await serverSentEventsServie.SendToAll("Client Connected");
context.RequestAborted.WaitHandle.WaitOne();
serverSentEventsServie.RemoveClient(client);
await serverSentEventsServie.SendToAll("Client Disconnected");
}
else
{
await next(context);
}
}
public async Task <IActionResult> Ping()
{
await eventService.SendToAll($"Ping received");
return(View());
}