/// <summary>
/// Messages from the IoT Hub will be published to the local MQTT, if it contains two properties:
/// "path" is the SmartHome path
/// "value" could be True or a value
/// </summary>
/// <param name="eventData"></param>
/// <param name="mqtt"></param>
private static void RelayMessage(Task <Message> eventData, Mqtt mqtt)
{
if (eventData == null || eventData.Result == null)
{
return;
}
var properties = eventData.Result.Properties;
Console.Write("Received message from IoT Hub: ");
foreach (var property in properties)
{
Console.Write(property.Key + ":" + property.Value + ",");
}
Console.WriteLine();
if (properties.Keys.Count == 2 && properties.ContainsKey("path") && properties.ContainsKey("value"))
{
mqtt.Send(properties["path"], properties["value"]);
}
else
{
Console.WriteLine("Ignoring message '" + eventData.ToString());
}
}
/// <summary>
///
/// </summary>
/// <param name="args">Pass a filename to load the configuration from (optional)</param>
static void Main(string[] args)
{
Settings settings = Settings.ReadConfiguration(args);
Console.WriteLine("Starting...");
var mqtt = new Mqtt(settings.Mqtt);
mqtt.Connect();
var iotHub = new IotHub(settings.IotHub);
iotHub.Connect();
mqtt.OnMqttMessageEvent += delegate(MqttEventArgs eventArgs)
{
// no need to wait for the result
iotHub.SendMessage(eventArgs);
};
while (true)
{
// wait for incoming messages from IoT Hub
Task <Message> eventData = iotHub.ReceiveAsync();
eventData.Wait();
RelayMessage(eventData, mqtt);
}
}