public override Task <OperateResult> PublishAsync(string keyName, string content)
{
try
{
var config = _kafkaOptions.AsRdkafkaConfig();
using (var producer = new Producer <Null, string>(config, null, new StringSerializer(Encoding.UTF8)))
{
producer.ProduceAsync(keyName, null, content);
producer.Flush();
}
_logger.LogDebug($"kafka topic message [{keyName}] has been published.");
return(Task.FromResult(OperateResult.Success));
}
catch (Exception ex)
{
_logger.LogError($"kafka topic message [{keyName}] has benn raised an exception of sending. the exception is: {ex.Message}");
return(Task.FromResult(OperateResult.Failed(ex,
new OperateError()
{
Code = ex.HResult.ToString(),
Description = ex.Message
})));
}
}
private void InitKafkaClient()
{
_kafkaOptions.MainConfig.Add("group.id", _groupId);
var config = _kafkaOptions.AsRdkafkaConfig();
_consumerClient = new Consumer <Null, string>(config, null, StringDeserializer);
_consumerClient.OnMessage += ConsumerClient_OnMessage;
}
