https://github.com/linfx/mqttfx

MqttFx is a mqtt v3.1.1 client using DotNetty
https://github.com/linfx/mqttfx

dotnetty mqtt

Last synced: about 2 months ago
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MqttFx is a mqtt v3.1.1 client using DotNetty

• Host: GitHub
• URL: https://github.com/linfx/mqttfx
• Owner: linfx
• License: mit
• Created: 2015-09-06T06:31:05.000Z (over 9 years ago)
• Default Branch: master
• Last Pushed: 2022-08-25T00:58:16.000Z (over 2 years ago)
• Last Synced: 2024-08-31T15:57:26.381Z (4 months ago)
• Topics: dotnetty, mqtt
• Language: C#
• Homepage:
• Size: 486 KB
• Stars: 94
• Watchers: 16
• Forks: 43
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# MqttFx

c# mqtt 3.1.1 client

***

## Install

`PM> Install-Package MqttFx`

## Samples

```c#

    class Program

    {

        static async Task Main(string[] args)

        {

            var services = new ServiceCollection();

            services.AddMqttFxClient(options =>

            {

                options.Host = "broker.emqx.io";

                options.Port = 1883;

            });

            var container = services.BuildServiceProvider();

            var client = container.GetService();

            client.ConnectedAsync += async e =>

            {

                Console.WriteLine("### CONNECTED WITH SERVER ###");

                Console.WriteLine("### SUBSCRIBED ###");

                var subscriptionRequests = new SubscriptionRequestsBuilder()

                    .WithTopicFilter(f => f.WithTopic("testtopic/a"))

                    .WithTopicFilter(f => f.WithTopic("testtopic/b").WithAtLeastOnceQoS())

                    .Build();

                var subscribeResult = await client.SubscribeAsync(subscriptionRequests);

                foreach (var item in subscribeResult.Items)

                {

                    Console.WriteLine($"+ ResultCode = {item.ResultCode}");

                }

            };

            client.ApplicationMessageReceivedAsync += async message =>

            {

                Console.WriteLine("### RECEIVED APPLICATION MESSAGE ###");

                Console.WriteLine($"+ Topic = {message.Topic}");

                Console.WriteLine($"+ Payload = {Encoding.UTF8.GetString(message.Payload)}");

                Console.WriteLine($"+ QoS = {message.Qos}");

                Console.WriteLine($"+ Retain = {message.Retain}");

                Console.WriteLine();

                await Task.CompletedTask;

            };

            var connectResult = await client.ConnectAsync();

            if (connectResult.Succeeded)

            {

                for (int i = 1; i <= 3; i++)

                {

                    await Task.Delay(500);

                    Console.WriteLine("### Publish Message ###");

                    var mesage = new ApplicationMessageBuilder()

                        .WithTopic("testtopic/ab")

                        .WithPayload($"HelloWorld: {i}")

                        .WithQos(MqttQos.AtLeastOnce)

                        .Build();

                    await client.PublishAsync(mesage);

                }

            }

            else

                Console.WriteLine("Connect Fail!");

            Console.ReadKey();

        }

    }

```

## MQTT 规范

你可以通过以下链接了解与查阅 MQTT 协议:

[MQTT 协议中文版](https://mcxiaoke.gitbooks.io/mqtt-cn/content/)

[MQTT Version 3.1.1](https://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html)

[MQTT Version 5.0](https://docs.oasis-open.org/mqtt/mqtt/v5.0/cs02/mqtt-v5.0-cs02.html)

[MQTT SN](https://www.oasis-open.org/committees/download.php/66091/MQTT-SN_spec_v1.2.pdf)