public void Setup()
{
TopicGenerator.Generate(NumPublishers, NumTopicsPerPublisher, out var topicsByPublisher, out var singleWildcardTopicsByPublisher, out var multiWildcardTopicsByPublisher);
_topics = topicsByPublisher.Values.First();
var serverOptions = new MqttServerOptionsBuilder().WithDefaultEndpoint().Build();
var factory = new MqttFactory();
_mqttServer = factory.CreateMqttServer(serverOptions);
_mqttClient = factory.CreateMqttClient();
_mqttServer.StartAsync().GetAwaiter().GetResult();
var clientOptions = new MqttClientOptionsBuilder()
.WithTcpServer("localhost").Build();
_mqttClient.ConnectAsync(clientOptions).GetAwaiter().GetResult();
foreach (var topic in _topics)
{
var subscribeOptions = new MqttClientSubscribeOptionsBuilder()
.WithTopicFilter(topic, Protocol.MqttQualityOfServiceLevel.AtMostOnce)
.Build();
_mqttClient.SubscribeAsync(subscribeOptions).GetAwaiter().GetResult();
}
}
public void Subscribe_10000_Topics()
{
foreach (var topic in _topics)
{
var subscribeOptions = new MqttClientSubscribeOptionsBuilder()
.WithTopicFilter(topic, Protocol.MqttQualityOfServiceLevel.AtMostOnce)
.Build();
_mqttClient.SubscribeAsync(subscribeOptions).GetAwaiter().GetResult();
}
}
public static Task <MqttClientSubscribeResult> SubscribeAsync(this MqttClient 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 MqttClient 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));
}