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mqtt sample

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Peace
2024-08-09 11:23:16 +09:00
parent a247afbf88
commit 0a4de8bf40
9 changed files with 217 additions and 0 deletions
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37
MQTTSample/MQTTSample.sln Normal file
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Microsoft Visual Studio Solution File, Format Version 12.00
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MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MqttBrokerApp", "MqttBrokerApp\MqttBrokerApp.csproj", "{5A2FFC49-DB71-4852-A60F-B6437AF06C44}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MqttPublisherApp", "MqttPublisherApp\MqttPublisherApp.csproj", "{724A5227-244E-4257-A5B1-1688DCDF48F3}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MqttSubscriberApp", "MqttSubscriberApp\MqttSubscriberApp.csproj", "{B8BC0A58-4F77-4B94-83B4-880C42960EF9}"
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10
MQTTSample/MQTTSample/MQTTSample.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

10
MQTTSample/MQTTSample/Program.cs Normal file
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namespace MQTTSample
{
internal class Program
{
static void Main(string[] args)
{
Console.WriteLine("Hello, World!");
}
}
}

14
MQTTSample/MqttBrokerApp/MqttBrokerApp.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="MQTTnet" Version="4.3.6.1152" />
</ItemGroup>
</Project>

27
MQTTSample/MqttBrokerApp/Program.cs Normal file
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using MQTTnet;
using MQTTnet.Server;
namespace MqttBrokerApp
{
internal class Program
{
private static readonly int PORT = 1883;
static async Task Main(string[] args)
{
var mqttFactory = new MqttFactory();
var mqttServerOption = new MqttServerOptionsBuilder()
.WithDefaultEndpoint()
.WithDefaultEndpointPort(PORT)
.Build();
var mqttServer = mqttFactory.CreateMqttServer(mqttServerOption);
await mqttServer.StartAsync();
Console.WriteLine("MQTT Broker started. Press any key to exit...");
Console.ReadLine();
await mqttServer.StopAsync();
}
}
}

14
MQTTSample/MqttPublisherApp/MqttPublisherApp.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="MQTTnet" Version="4.3.6.1152" />
</ItemGroup>
</Project>

42
MQTTSample/MqttPublisherApp/Program.cs Normal file
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using MQTTnet.Server;
using MQTTnet;
using MQTTnet.Client;
using System.Text;
namespace MqttPublisherApp
{
internal class Program
{
private static string CLIENT_ID = "PublisherClient";
private static string SERVER_IP = "localhost";
private static readonly int PORT = 1883;
private static readonly string TOPIC = "home/kitchen/temperature";
static async Task Main(string[] args)
{
var mqttFactory = new MqttFactory();
var mqttClient = mqttFactory.CreateMqttClient();
var options = new MqttClientOptionsBuilder()
.WithClientId(CLIENT_ID)
.WithTcpServer(SERVER_IP, PORT)
.Build();
await mqttClient.ConnectAsync(options);
while (true)
{
Console.WriteLine("Enter a message to publish: ");
var message = Console.ReadLine();
var mqttMessage = new MqttApplicationMessageBuilder()
.WithTopic(TOPIC)
.WithPayload(Encoding.UTF8.GetBytes(message))
.WithQualityOfServiceLevel(MQTTnet.Protocol.MqttQualityOfServiceLevel.AtLeastOnce)
.Build();
await mqttClient.PublishAsync(mqttMessage);
Console.WriteLine($"Message '{message}' published.");
}
}
}
}

14
MQTTSample/MqttSubscriberApp/MqttSubscriberApp.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="MQTTnet" Version="4.3.6.1152" />
</ItemGroup>
</Project>

49
MQTTSample/MqttSubscriberApp/Program.cs Normal file
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using MQTTnet.Client;
using MQTTnet;
using System.Text;
namespace MqttSubscriberApp
{
internal class Program
{
private static IMqttClient _mqttClient;
private static string CLIENT_ID = $"SubscriberClient_{Random.Shared.Next(1, 1000)}";
private static string SERVER_IP = "localhost";
private static readonly int PORT = 1883;
private static readonly string TOPIC = "home/kitchen/temperature";
static async Task Main(string[] args)
{
var mqttFactory = new MqttFactory();
_mqttClient = mqttFactory.CreateMqttClient();
var options = new MqttClientOptionsBuilder()
.WithClientId(CLIENT_ID)
.WithTcpServer(SERVER_IP, PORT)
.Build();
_mqttClient.ConnectedAsync += MqttClient_ConnectedAsync;
_mqttClient.ApplicationMessageReceivedAsync += MqttClient_ApplicationMessageReceivedAsync;
await _mqttClient.ConnectAsync(options);
Console.ReadLine();
}
private static async Task MqttClient_ApplicationMessageReceivedAsync(MqttApplicationMessageReceivedEventArgs arg)
{
var message = Encoding.UTF8.GetString(arg.ApplicationMessage.PayloadSegment);
Console.WriteLine($"Received message: {message}");
}
private static async Task MqttClient_ConnectedAsync(MqttClientConnectedEventArgs arg)
{
Console.WriteLine("Connected to broker.");
await _mqttClient.SubscribeAsync(new MqttTopicFilterBuilder()
.WithTopic(TOPIC)
.Build());
Console.WriteLine($"Subscribed to topic '{TOPIC}'");
}
}
}