Web_IoTBase_Sever_Prod/iotweb/Controllers/ValuesController.cs

using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using MQTTnet.Server;
namespace iotweb.Controllers
{
    [Route("api/[controller]/[action]")]
    [ApiController]
    public class ValuesController : ControllerBase
    {
        private readonly MqttServer _mqttServer;

        public ValuesController(MqttServer mqttServer)
        {
            _mqttServer = mqttServer;
        }


        [HttpGet()]
        public async Task<IActionResult> GetConnectedClients()
        {
            var clients = await _mqttServer.GetClientsAsync();
            return Ok(clients.Select(c => new
            {
                Id = c.Id,
                Endpoint = c.Endpoint
            }));
        }
    }
}