// This code is used at the Wiki on GitHub!
// ReSharper disable once UnusedMember.Local
private static async void WikiCode()
{
{
var client = new MqttFactory().CreateMqttClient();
var options = new MqttClientOptionsBuilder()
.WithClientId("Client1")
.WithTcpServer("broker.hivemq.com")
.WithCredentials("bud", "%spencer%")
.WithTls()
.Build();
await client.ConnectAsync(options);
var message = new MqttApplicationMessageBuilder()
.WithTopic("MyTopic")
.WithPayload("Hello World")
.WithExactlyOnceQoS()
.WithRetainFlag()
.Build();
await client.PublishAsync(message);
}
{
var factory = new MqttFactory();
factory.GetLoggerFactory().AddConsole();
var client = factory.CreateMqttClient();
}
}
public static async Task RunAsync()
{
try
{
var options = new MqttClientOptions
{
ClientId = "XYZ",
CleanSession = true,
ChannelOptions = new MqttClientTcpOptions
{
Server = "localhost"
},
////ChannelOptions = new MqttClientWebSocketOptions
////{
//// Uri = "localhost"
////}
};
var factory = new MqttFactory();
factory.GetLoggerFactory().AddConsole();
var client = factory.CreateMqttClient();
client.ApplicationMessageReceived += (s, e) =>
{
Console.WriteLine("### RECEIVED APPLICATION MESSAGE ###");
Console.WriteLine($"+ Topic = {e.ApplicationMessage.Topic}");
Console.WriteLine($"+ Payload = {Encoding.UTF8.GetString(e.ApplicationMessage.Payload)}");
Console.WriteLine($"+ QoS = {e.ApplicationMessage.QualityOfServiceLevel}");
Console.WriteLine($"+ Retain = {e.ApplicationMessage.Retain}");
Console.WriteLine();
};
client.Connected += async(s, e) =>
{
Console.WriteLine("### CONNECTED WITH SERVER ###");
await client.SubscribeAsync(new TopicFilterBuilder().WithTopic("#").Build());
Console.WriteLine("### SUBSCRIBED ###");
};
client.Disconnected += async(s, e) =>
{
Console.WriteLine("### DISCONNECTED FROM SERVER ###");
await Task.Delay(TimeSpan.FromSeconds(5));
try
{
await client.ConnectAsync(options);
}
catch
{
Console.WriteLine("### RECONNECTING FAILED ###");
}
};
try
{
await client.ConnectAsync(options);
}
catch (Exception exception)
{
Console.WriteLine("### CONNECTING FAILED ###" + Environment.NewLine + exception);
}
Console.WriteLine("### WAITING FOR APPLICATION MESSAGES ###");
while (true)
{
Console.ReadLine();
var applicationMessage = new MqttApplicationMessageBuilder()
.WithTopic("A/B/C")
.WithPayload("Hello World")
.WithAtLeastOnceQoS()
.Build();
await client.PublishAsync(applicationMessage);
}
}
catch (Exception exception)
{
Console.WriteLine(exception);
}
}