/// <summary>
/// Inititalizes a new instance of the <see cref="MqttListener"/> class.
/// </summary>
/// <param name="connection">The connection to listen on.</param>
/// <param name="topics">The topics to subscribe to.</param>
/// <param name="executor">Allows the function to be executed.</param>
/// <param name="logger">The logger.</param>
public MqttListener(IMqttConnection connection, TopicFilter[] topics, ITriggeredFunctionExecutor executor, ILogger logger)
{
_executor = executor;
_logger = logger;
_mqttConnection = connection;
_topics = topics;
_cancellationTokenSource = new CancellationTokenSource();
}
private MqttCacheTopic(IMqttConnection connection, MqttCacheTopic parent, string level)
{
_connection = connection;
Level = level;
Parent = parent;
Topic = parent.Topic == null //i.e. Root
? level
: parent.Topic + "/" + level;
var engine = Run().Replay(1, Scheduler.Immediate);
_subscription = engine.Connect();
_status = engine;
}
private int _pendingInitializers; // even if we should have only one concurrent initializer, be safer
public MqttCache(IMqttConnection connection)
{
Root = new MqttCacheTopic(connection);
}
/// <summary>
/// Creates a root topic
/// </summary>
public MqttCacheTopic(IMqttConnection connection)
{
_connection = connection;
}