public void Run()
{
// register event handlers
this.LocationUpdated += locationUpdated;
states.ZoneStatusChanged += zoneStatusChanged;
states.CurrentZoneChanged += currentZoneChanged;
mqtt.MessageReceived += messageReceived;
// subscriptions require completed connection
mqtt.ConnectAsync().Wait();
// OwnTracks topics are build like this:
//
// [prefix]/[user]/[device]
//
// see: http://owntracks.org/booklet/guide/topics/
mqtt.Subscribe(TopicPrefixIn + "/+/+");
log.LogInformation("Engine started.");
}