public static Task <MqttClientSubscribeResult> SubscribeAsync(this IMqttClient mqttClient, MqttTopicFilter topicFilter, CancellationToken cancellationToken = default)
{
if (mqttClient == null)
{
throw new ArgumentNullException(nameof(mqttClient));
}
if (topicFilter == null)
{
throw new ArgumentNullException(nameof(topicFilter));
}
var subscribeOptions = new MqttClientSubscribeOptionsBuilder().WithTopicFilter(topicFilter).Build();
return(mqttClient.SubscribeAsync(subscribeOptions, cancellationToken));
}
public static Task <MqttClientSubscribeResult> SubscribeAsync(
this IMqttClient mqttClient,
string topic,
MqttQualityOfServiceLevel qualityOfServiceLevel = MqttQualityOfServiceLevel.AtMostOnce,
CancellationToken cancellationToken = default)
{
if (mqttClient == null)
{
throw new ArgumentNullException(nameof(mqttClient));
}
if (topic == null)
{
throw new ArgumentNullException(nameof(topic));
}
var subscribeOptions = new MqttClientSubscribeOptionsBuilder().WithTopicFilter(topic, qualityOfServiceLevel).Build();
return(mqttClient.SubscribeAsync(subscribeOptions, cancellationToken));
}