HoHCI-BikeSim/Assets/Scripts/ESPController/DataBroker.cs

using System;
using System.Net;
using System.Threading.Tasks;
using Makaretu.Dns;
using MQTTnet;
using MQTTnet.Server;
using UnityEngine;

namespace ESPController
{
    public class DataBroker : MonoBehaviour
    {
        private IMqttServer server;
        private float lastTime = 0f;

        private async void Start()
        {
            server = new MqttFactory().CreateMqttServer();
            var service = new ServiceProfile("blabla", "_mqtt._tcp", 1883,
                new[] {new IPAddress(new[] {(byte) 192, (byte) 168, (byte) 1, (byte) 4})});
            var sd = new ServiceDiscovery();
            sd.Advertise(service);
            await server.StartAsync(new MqttServerOptions());
            Debug.Log("Mqtt Server started");
            await PublishBla();
        }

        public async Task PublishBla()
        {
            await server.PublishAsync(new MqttApplicationMessageBuilder().WithTopic("Test/Bla")
                .WithPayload("Hallihallo").Build());
        }

        private async void Update()
        {
            var dif = Time.time - lastTime;
            if (dif > 4f)
            {
                lastTime = Time.time;
                await PublishBla();
            }
        }

        private async void OnDestroy()
        {
            if (!server.IsStarted) return;
            await server.StopAsync();
        }
    }
}