private async Task ConsumeInternalAsync(IKafkaConsumer kafkaConsumer, CancellationToken cancellationToken)
{
var builder = new ConsumerBuilder <string, string>(_configOptions.ConsumerConfig());
using IConsumer <string, string> consumer = builder.Build();
try
{
consumer.Subscribe(kafkaConsumer.Topic);
try
{
while (!_cancelled && !cancellationToken.IsCancellationRequested)
{
ConsumeResult <string, string> consumed = consumer.Consume(cancellationToken);
_logger.LogInformation($"{kafkaConsumer.GetType().Name}: consumed");
await kafkaConsumer.ConsumeAsync(consumed.Message.Value);
}
}
catch (ConsumeException e)
{
_logger.LogError(e, kafkaConsumer.Topic +
$"\r\nAn exception during consuming\r\n" +
$"Reason: {e.Error.Reason}\r\n" +
$"Consumer is being closed");
}
}
catch (Exception exception)
{
_logger.LogError(
exception,
$"Topic: {kafkaConsumer.Topic}\r\n" +
$"An exception during consuming\r\n");
}
finally
{
_logger.LogInformation($"{kafkaConsumer.Topic}. Consumer is being closed");
consumer.Close();
}
}