public Task StartAsync(CancellationToken cancellationToken)
{
Task.Run(() =>
{
using (IKafkaConsumer <Ignore, string> c = this._kafkaConsumerProvider.GetKafkaConsumer <Ignore, string>("consumer-selection-count"))
{
c.Subscribe();
try
{
while (true)
{
try
{
var cr = c.Consume(cancellationToken);
_logger.LogInformation($"1. Consumed message '{cr.Message.Value}' at: '{cr.TopicPartitionOffset}'.");
SelectionSummaryKafkaMessage kafkaSocketMessage = null;
try
{
kafkaSocketMessage = cr.Message?.Value?.FromJSON <SelectionSummaryKafkaMessage>();
}
catch (Exception ex)
{
_logger.LogError($"Exception occured in KafkaSocketMessage deserialization: {ex.Message}");
}
if (kafkaSocketMessage != null)
{
SocketMessage calculationResultMessage = new SocketMessage()
{
Code = "selection_count_calculated",
Data = kafkaSocketMessage
};
Task.Run(async() => { await _sampleSocketMessageHandler.SendMessageAsync(kafkaSocketMessage.UserId, calculationResultMessage.ToJSON()); });
}
}
catch (ConsumeException e)
{
_logger.LogError($"Error occured: {e.Error.Reason}");
}
}
}
catch (OperationCanceledException e)
{
_logger.LogError($"OperationCanceledException occured: {e.Message}");
c.Close();
}
catch (Exception ex)
{
_logger.LogError($"Exception occured: {ex.Message}");
}
}
}, cancellationToken);
Task.Run(() =>
{
using (IKafkaConsumer <Ignore, string> c = this._kafkaConsumerProvider.GetKafkaConsumer <Ignore, string>("consumer-selection-synchronization"))
{
c.Subscribe();
try
{
while (true)
{
try
{
var cr = c.Consume(cancellationToken);
_logger.LogInformation($"2. Consumed message '{cr.Message.Value}' at: '{cr.TopicPartitionOffset}'.");
SelectionSummaryKafkaMessage[] kafkaSocketMessage = null;
try
{
kafkaSocketMessage = cr.Message?.Value?.FromJSON <SelectionSummaryKafkaMessage[]>();
}
catch (Exception ex)
{
_logger.LogError($"Exception occured in KafkaSocketMessage deserialization: {ex.Message}");
}
if (kafkaSocketMessage != null)
{
SocketMessage calculationResultMessage = new SocketMessage()
{
Code = "selection_synchronization_calculated",
Data = kafkaSocketMessage
};
Task.Run(async() => { await _sampleSocketMessageHandler.SendMessageAsync(kafkaSocketMessage.First().UserId, calculationResultMessage.ToJSON()); });
}
}
catch (ConsumeException e)
{
_logger.LogError($"Error occured: {e.Error.Reason}");
}
}
}
catch (OperationCanceledException e)
{
_logger.LogError($"OperationCanceledException occured: {e.Message}");
c.Close();
}
catch (Exception ex)
{
_logger.LogError($"Exception occured: {ex.Message}");
}
}
}, cancellationToken);
return(Task.CompletedTask);
}