protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
if (!_config.DataBrokerEnabled)
{
return;
}
_logger.LogInformation("Started");
_logger.LogInformation($"Cloud publishing enabled: {_config.CloudPublishConfiguration.Enabled}");
var options = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(new MqttClientOptionsBuilder()
.WithClientId(GetType().Name)
.WithTcpServer(_config.MqttServerAddress)
.Build())
.Build();
await _mqttClient.SubscribeAsync("sensordevicetype/#");
await _mqttClient.SubscribeAsync("sensordevice/#");
await _mqttClient.SubscribeAsync("measurement/#");
_mqttClient.ApplicationMessageReceivedHandler = new MqttApplicationMessageReceivedHandlerDelegate(MqttMessageReceived);
await _mqttClient.StartAsync(options);
var minuteCounter = 0;
int consecutiveReadFailCount = 0;
while (!stoppingToken.IsCancellationRequested)
{
try
{
if (_config.CloudPublishConfiguration.Enabled)
{
if (minuteCounter % _config.CloudPublishConfiguration.UpdateIntervalMinutes == 0)
{
await _dataBroker.PublishCurrentData();
}
if (minuteCounter % _config.CloudPublishConfiguration.HistoryUpdateIntervalMinutes == 0)
{
await _dataBroker.PublishHistoryData();
}
if (minuteCounter % HistoryDatabaseCleanupIntervalMinutes == 0)
{
await _dataBroker.DeleteOldHistoryData();
}
}
await _dataBroker.SendAlerts();
consecutiveReadFailCount = 0;
await Task.Delay(TimeSpan.FromSeconds(LoopInterval), stoppingToken);
minuteCounter++;
}
catch (TaskCanceledException)
{
_logger.LogInformation("Stopped");
break;
}
catch (Exception ex)
{
_logger.LogError($"{DateTime.Now}: Error occured in Vahti.DataBroker: {ex.Message}, {ex.StackTrace}");
consecutiveReadFailCount++;
// Break from loop if the problem persists
if (consecutiveReadFailCount >= MaxRepeatedFailCount)
{
break;
}
continue;
}
}
}
