private async Task PublishMessage(IManagedMqttClient mqttClient, string topic, string payload, bool retain,
MqttQualityOfServiceLevel qos)
{
var message = new MqttApplicationMessageBuilder().WithTopic(topic)
.WithPayload(payload)
.WithRetainFlag(retain)
.WithQualityOfServiceLevel(qos)
.Build();
_logger.LogDebug("MQTT sending to {Topic}: {Message}", message.Topic, message.ConvertPayloadToString());
try
{
var publishResult = await mqttClient.PublishAsync(message, CancellationToken.None).ConfigureAwait(false);
if (publishResult.ReasonCode != MqttClientPublishReasonCode.Success)
{
throw new MqttPublishException(publishResult.ReasonString);
}
}
catch (Exception e)
{
_logger.LogError(e.Message, e);
throw new MqttPublishException(e.Message, e);
}
}
private static void Main(string[] args)
{
Console.WriteLine("Hello World!");
MQTTnet.MqttFactory factory = new MQTTnet.MqttFactory();
var client = factory.CreateMqttClient();
var options = new MqttClientOptionsBuilder()
.WithClientId(Guid.NewGuid().ToString())
.WithTcpServer("localhost")
.WithCredentials("3cb97cd31fbc40b08d12ec47a6fad622")//token
.Build();
Task.Run(async() =>
{
await client.ConnectAsync(options);
do
{
var message = new MqttApplicationMessageBuilder()
.WithTopic("/devices/me/telemetry")
.WithPayload(JsonConvert.SerializeObject(new
{
RandomString = Guid.NewGuid().ToString(),
NowTime = DateTime.Now
}))
.Build();
Console.WriteLine(message.ConvertPayloadToString());
await client.PublishAsync(message);
await Task.Delay(TimeSpan.FromSeconds(10));
} while (Console.ReadKey().Key != ConsoleKey.Escape);
await client.DisconnectAsync();
}).Wait();
}
/// <summary>
/// Отправить сообщение на изменение цвета
/// </summary>
/// <param name="client"></param>
/// <param name="colorTopic"></param>
/// <param name="targetColor"></param>
/// <returns></returns>
private static Task <MQTTnet.Client.Publishing.MqttClientPublishResult> PublishSetColorMessage(IMqttClient client, string colorTopic, string targetColor)
{
var msg = new MqttApplicationMessageBuilder()
.WithTopic(colorTopic + "/set")
.WithPayload(targetColor)
.WithQualityOfServiceLevel(MQTTnet.Protocol.MqttQualityOfServiceLevel.AtMostOnce)
.Build();
mqttLog.Debug($"> Sending message: {msg.Topic}, {msg.ConvertPayloadToString()}");
return(client.PublishAsync(msg));
}
public static async Task test()
{
var factory = new MqttFactory();
var client = factory.CreateMqttClient();
var options = new MqttClientOptionsBuilder()
.WithClientId(Guid.NewGuid().ToString())
.WithTcpServer("localhost", 1886)
.WithCredentials("cubox", "cubox0000")
.Build();
await client.ConnectAsync(options);
var payload = new
{
Address = "1.0.0",
Gateway = "1.0.1",
Netmask = "1.1.1"
};
var message = new MqttApplicationMessageBuilder()
.WithTopic("setting/response")
.WithPayload(JsonConvert.SerializeObject(payload))
.WithExactlyOnceQoS()
.Build();
await client.PublishAsync(message);
Console.WriteLine(">>> Topic : " + message.Topic + " Payload Value: " + message.ConvertPayloadToString());
//Thread.Sleep(30000);
/*while (true)
* {
* var payload = new
* {
* Address = "1.0.0",
* Gateway = "1.0.1",
* Netmask = "1.1.1"
* };
*
* var message = new MqttApplicationMessageBuilder()
* .WithTopic("setting/request")
* .WithExactlyOnceQoS()
* .Build();
*
* await client.PublishAsync(message);
*
* Console.WriteLine(">>> Topic : " + message.Topic + " Payload Value: " + message.ConvertPayloadToString());
*
* Thread.Sleep(30000);
* }*/
}
private static void Main(string[] args)
{
Console.WriteLine("Hello World!");
MQTTnet.MqttFactory factory = new MQTTnet.MqttFactory();
var client = factory.CreateMqttClient();
var options = new MqttClientOptionsBuilder()
.WithClientId(Guid.NewGuid().ToString())
.WithTcpServer("localhost")
.WithCredentials("3cb97cd31fbc40b08d12ec47a6fad622", "")//token
.Build();
client.UseApplicationMessageReceivedHandler(ax =>
{
Console.WriteLine($"ClientId{ ax.ClientId},msg={ax.ApplicationMessage.ConvertPayloadToString()}");
});
Task.Run(async() =>
{
await client.ConnectAsync(options);
do
{
var message = new MqttApplicationMessageBuilder()
.WithTopic("/devices/me/telemetry")
.WithPayload(JsonConvert.SerializeObject(new
{
RandomString = Guid.NewGuid().ToString(),
NowTime = DateTime.Now
}))
.Build();
Console.WriteLine(message.ConvertPayloadToString());
await client.PublishAsync(message);
await Task.Delay(TimeSpan.FromSeconds(10));
await client.SubscribeAsync("/devices/me/attributes/response/+");
await client.PublishAsync("/devices/me/attributes/request/1", "{\"anySide\":\"Doublevalue,longvalue,Doublevalue,longvalue\"}");
} while (Console.ReadKey().Key != ConsoleKey.Escape);
await client.DisconnectAsync();
}).Wait();
}
