private void onShutDown()
{
this.serviceProvider
.GetService <ILogger>()?.logMessage("Sensor is going down ... ");
ServiceConfiguration config = ServiceConfiguration.Instance;
IMessageBroker broker = serviceProvider.GetService <IMessageBroker>();
IDataCacheManager cache = serviceProvider.GetService <IDataCacheManager>();
for (int sensorIndex = config.sensorsRange.From;
sensorIndex < config.sensorsRange.To;
sensorIndex++)
{
string sensorName = config.sensorNamePrefix + sensorIndex;
var newEvent = new SensorLifetimeEvent(
config.serviceId,
LifetimeStages.Shutdown,
sensorName,
config.hostIP,
config.listeningPort,
cache.GetLastReadIndex(sensorName));
var res = broker.PublishLifetimeEvent(newEvent).Result;
}
// next line will unregister this sensor using sensorRegistry restAPI
// it is not necessary because sensor is gonna be unregistered once
// registry receives it's lifetime event with shutdown 'flag'
// result is not used (potential exception is handled inside the method)
// bool unregResult = this.unregisterSensors();
}
public IActionResult getInfo([FromQuery] string sensorName)
{
var info = new SensorReaderInfo(
sensorName,
config.hostIP,
config.listeningPort,
dataCache.GetLastReadIndex(sensorName));
return(new ObjectResult(info));
}