public async void Start()
{
try
{
Logger.LogInformation($"Connecting device {device_id}");
if (!this.Connect())
{
return;
}
while (!this.cancelToken.IsCancellationRequested)
{
for (int i = 0; i < Events.Length; i++)
{
SampleEventModel nextEvent = Events[i];
nextEvent.device_id = this.device_id; // initialize device_id from configuration file and datetime
nextEvent.datetime = DateTime.Now.ToString();
string eventData = JsonSerializer.Serialize(nextEvent);
try
{
await this.devClient.Publish(topic, eventData, MQTTnet.Protocol.MqttQualityOfServiceLevel.AtLeastOnce);
}
catch (MQTTnet.Exceptions.MqttCommunicationException ex)
{
Logger.LogInformation($"Connection interrupted for device {device_id}");
if (!this.Connect())
{
throw ex;
}
}
Logger.LogInformation($"Event {eventData} sucessfully sent");
if (this.cancelToken.IsCancellationRequested)
{
Logger.LogInformation($"Shutting down event generation for device {device_id}");
break;
}
else
{
await Task.Delay(msg_interval * 1000); // in msec
}
}
}
}
finally
{
this.devClient.Stop();
this.isStarted = false;
}
Logger.LogInformation($"Event generation for device {device_id} stopped");
}
private static SampleEventModel SplitAndFill(string line)
{
var sampleAlert = new SampleEventModel();
var props = typeof(SampleEventModel).GetProperties();
var values = line.Split(";");
for (var i = 0; i < values.Length; i++)
{
props[i].SetValue(sampleAlert, values[i]);
}
return(sampleAlert);
}