MQTTnet/Source/MQTTnet.TestApp/ClientFlowTest.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using System;
using System.Threading.Tasks;
using MQTTnet.Diagnostics.Logger;

namespace MQTTnet.TestApp;

public static class ClientFlowTest
{
    public static async Task RunAsync()
    {
        try
        {
            var logger = new MqttNetEventLogger();
            MqttNetConsoleLogger.ForwardToConsole(logger);

            var factory = new MqttClientFactory(logger);

            var client = factory.CreateMqttClient();

            var options = new MqttClientOptionsBuilder()
                .WithTcpServer("localhost")
                .Build();

            Console.WriteLine("BEFORE CONNECT");
            await client.ConnectAsync(options);
            Console.WriteLine("AFTER CONNECT");

            Console.WriteLine("BEFORE SUBSCRIBE");
            await client.SubscribeAsync("test/topic");
            Console.WriteLine("AFTER SUBSCRIBE");

            Console.WriteLine("BEFORE PUBLISH");
            await client.PublishStringAsync("test/topic", "payload");
            Console.WriteLine("AFTER PUBLISH");

            await Task.Delay(1000);

            Console.WriteLine("BEFORE DISCONNECT");
            await client.DisconnectAsync();
            Console.WriteLine("AFTER DISCONNECT");

            Console.WriteLine("FINISHED");
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex);
        }
    }
}