https://github.com/mmuecke/rxmqttnet

A extension to the MQTTnet project, to transform the subscriptions into observables and to publish form a observalbe stream.
https://github.com/mmuecke/rxmqttnet

comunication csharp iot mqtt-client mqtt-protocol net netcore nuget rx

Last synced: about 17 hours ago
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A extension to the MQTTnet project, to transform the subscriptions into observables and to publish form a observalbe stream.

• Host: GitHub
• URL: https://github.com/mmuecke/rxmqttnet
• Owner: mmuecke
• License: mit
• Created: 2020-10-19T16:21:35.000Z (almost 6 years ago)
• Default Branch: main
• Last Pushed: 2024-09-20T16:10:37.000Z (almost 2 years ago)
• Last Synced: 2026-06-05T02:05:49.691Z (about 2 months ago)
• Topics: comunication, csharp, iot, mqtt-client, mqtt-protocol, net, netcore, nuget, rx
• Language: C#
• Homepage:
• Size: 295 KB
• Stars: 30
• Watchers: 2
• Forks: 7
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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# RxMQTTnet

An extension to the [MQTTnet](https://github.com/chkr1011/MQTTnet) project, to transform the subscriptions into observables and to publish from an observable stream.

# Create a client

## Use the factory

Use the `MQTTnet.MqttFactory` with the `MQTTnet.Extensions.External.RxMQTT.Client.MqttFactoryExtensions`.

```csharp

var client = new MqttFactory().CreateRxMqttClient();

```

## Create the options

Use the [managed client options](https://github.com/chkr1011/MQTTnet/wiki/ManagedClient#preparation)

## Start the client

```csharp

await client.StartAsync(options).ConfigureAwait(false);

```

# Subscribe

Get an `IObservable` by connecting to the rx client and use extensions to process the message:

```csharp

var subscription = rxMqttClinet

    .Connect("RxClientTest/#")

    .SelectPayload()

    .Subscribe(Console.WriteLine);

```

End the subscription by disposing the subscription.

```csharp

subscription.Dispose();

```

# Publish

## From observable

Create an observable sequence of `MqttApplicationMessage`s and publish these via the rx client.

```csharp

Observable.Interval(TimeSpan.FromMilliseconds(1000))

    .Select(i => new MqttApplicationMessageBuilder()

        .WithTopic("RxClientTest")

        .WithPayload("Time: " + DateTime.Now.ToLongTimeString())

        .WithQualityOfServiceLevel(MqttQualityOfServiceLevel.ExactlyOnce)

        .WithRetainFlag()

        .Build())

    .PublishOn(mqttClient)

    .Subscribe();

```

## Single message

Use the [mqtt client publish method](https://github.com/chkr1011/MQTTnet/wiki/Client#publishing-messages).