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Update samples (#2216)

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Separate the topic template samples from the other samples
This commit is contained in:
Christian
2025-10-21 12:33:20 +02:00
committed by GitHub
parent 535a4e010c
commit 99e70fdbbb
2 changed files with 85 additions and 10 deletions
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Samples/Client/Client_Subscribe_Samples.cs
+10 -10
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@@ -7,7 +7,6 @@
// ReSharper disable InconsistentNaming
// ReSharper disable UnusedMember.Local
using MQTTnet.Extensions.TopicTemplate;
using MQTTnet.Packets;
using MQTTnet.Protocol;
using MQTTnet.Samples.Helpers;
@@ -16,8 +15,6 @@ namespace MQTTnet.Samples.Client;
public static class Client_Subscribe_Samples
{
static readonly MqttTopicTemplate sampleTemplate = new("mqttnet/samples/topic/{id}");
public static async Task Handle_Received_Application_Message()
{
/*
@@ -42,7 +39,7 @@ public static class Client_Subscribe_Samples
await mqttClient.ConnectAsync(mqttClientOptions, CancellationToken.None);
var mqttSubscribeOptions = mqttFactory.CreateSubscribeOptionsBuilder().WithTopicTemplate(sampleTemplate.WithParameter("id", "2")).Build();
var mqttSubscribeOptions = mqttFactory.CreateSubscribeOptionsBuilder().WithTopicFilter("mqttnet/samples/topic/2").Build();
await mqttClient.SubscribeAsync(mqttSubscribeOptions, CancellationToken.None);
@@ -55,7 +52,7 @@ public static class Client_Subscribe_Samples
public static async Task Send_Responses()
{
/*
* This sample subscribes to a topic and sends a response to the broker. This requires at least QoS level 1 to work!
* This sample subscribes to a topic and sends a detailed response to the client. This requires at least QoS level 1 to work!
*/
var mqttFactory = new MqttClientFactory();
@@ -80,7 +77,7 @@ public static class Client_Subscribe_Samples
await mqttClient.ConnectAsync(mqttClientOptions, CancellationToken.None);
var mqttSubscribeOptions = mqttFactory.CreateSubscribeOptionsBuilder().WithTopicTemplate(sampleTemplate.WithParameter("id", "1")).Build();
var mqttSubscribeOptions = mqttFactory.CreateSubscribeOptionsBuilder().WithTopicFilter("topic/test").Build();
var response = await mqttClient.SubscribeAsync(mqttSubscribeOptions, CancellationToken.None);
@@ -106,9 +103,10 @@ public static class Client_Subscribe_Samples
// Create the subscribe options including several topics with different options.
// It is also possible to all of these topics using a dedicated call of _SubscribeAsync_ per topic.
var mqttSubscribeOptions = mqttFactory.CreateSubscribeOptionsBuilder()
.WithTopicTemplate(sampleTemplate.WithParameter("id", "1"))
.WithTopicTemplate(sampleTemplate.WithParameter("id", "2"), noLocal: true)
.WithTopicTemplate(sampleTemplate.WithParameter("id", "3"), retainHandling: MqttRetainHandling.SendAtSubscribe)
.WithTopicFilter(t => t.WithTopic("topic/1").WithAtLeastOnceQoS())
.WithTopicFilter(t => t.WithTopic("topic/2").WithAtMostOnceQoS())
.WithTopicFilter(t => t.WithTopic("topic/3").WithNoLocal())
.WithTopicFilter(t => t.WithRetainHandling(MqttRetainHandling.SendAtSubscribe))
.Build();
var response = await mqttClient.SubscribeAsync(mqttSubscribeOptions, CancellationToken.None);
@@ -132,7 +130,9 @@ public static class Client_Subscribe_Samples
await mqttClient.ConnectAsync(mqttClientOptions, CancellationToken.None);
var mqttSubscribeOptions = mqttFactory.CreateSubscribeOptionsBuilder().WithTopicTemplate(sampleTemplate.WithParameter("id", "1")).Build();
var topicFilter = mqttFactory.CreateTopicFilterBuilder().WithTopic("mqttnet/samples/topic/2").WithAtLeastOnceQoS();
var mqttSubscribeOptions = mqttFactory.CreateSubscribeOptionsBuilder().WithTopicFilter(topicFilter).Build();
var response = await mqttClient.SubscribeAsync(mqttSubscribeOptions, CancellationToken.None);
Samples/Client/Client_Subscribe_TopicTemplate_Samples.cs
+75
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@@ -0,0 +1,75 @@
// 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 MQTTnet.Extensions.TopicTemplate;
using MQTTnet.Protocol;
using MQTTnet.Samples.Helpers;
// ReSharper disable UnusedType.Global
// ReSharper disable UnusedMember.Global
// ReSharper disable InconsistentNaming
// ReSharper disable UnusedMember.Local
namespace MQTTnet.Samples.Client;
public static class Client_Subscribe_TopicTemplate_Samples
{
static readonly MqttTopicTemplate SampleTemplate = new("mqttnet/samples/topic/{id}");
public static async Task Subscribe_Multiple_Topics_With_Template()
{
/*
* This sample subscribes to several topics in a single request.
*
* This sample requires the nuget 'MQTTnet.Extensions.TopicTemplate'.
*/
var mqttFactory = new MqttClientFactory();
using var mqttClient = mqttFactory.CreateMqttClient();
var mqttClientOptions = new MqttClientOptionsBuilder().WithTcpServer("broker.hivemq.com").Build();
await mqttClient.ConnectAsync(mqttClientOptions, CancellationToken.None);
// Create the subscribe options including several topics with different options.
// It is also possible to all of these topics using a dedicated call of _SubscribeAsync_ per topic.
var mqttSubscribeOptions = mqttFactory.CreateSubscribeOptionsBuilder()
.WithTopicTemplate(SampleTemplate.WithParameter("id", "1"))
.WithTopicTemplate(SampleTemplate.WithParameter("id", "2"), noLocal: true)
.WithTopicTemplate(SampleTemplate.WithParameter("id", "3"), retainHandling: MqttRetainHandling.SendAtSubscribe)
.Build();
var response = await mqttClient.SubscribeAsync(mqttSubscribeOptions, CancellationToken.None);
Console.WriteLine("MQTT client subscribed to topics.");
// The response contains additional data sent by the server after subscribing.
response.DumpToConsole();
}
public static async Task Subscribe_Topic_With_Template()
{
/*
* This sample subscribes to a topic.
*
* This sample requires the nuget 'MQTTnet.Extensions.TopicTemplate'.
*/
var mqttFactory = new MqttClientFactory();
using var mqttClient = mqttFactory.CreateMqttClient();
var mqttClientOptions = new MqttClientOptionsBuilder().WithTcpServer("broker.hivemq.com").Build();
await mqttClient.ConnectAsync(mqttClientOptions, CancellationToken.None);
var mqttSubscribeOptions = mqttFactory.CreateSubscribeOptionsBuilder().WithTopicTemplate(SampleTemplate.WithParameter("id", "1")).Build();
var response = await mqttClient.SubscribeAsync(mqttSubscribeOptions, CancellationToken.None);
Console.WriteLine("MQTT client subscribed to topic.");
// The response contains additional data sent by the server after subscribing.
response.DumpToConsole();
}
}