/// <summary>
/// 事务版本 貌似没必要 要求 配置TransactionalId，Acks必须等于all
/// </summary>
/// <param name="topic"></param>
/// <param name="message"></param>
/// <returns></returns>
public async Task <DeliveryResult <TKey, TValue> > ProduceAsync2(string topic, Message <TKey, TValue> message)
{
DeliveryResult <TKey, TValue> result = null;
try
{
_producer.InitTransactions(DefaultTimeout);
_producer.BeginTransaction();
result = await this._producer.ProduceAsync(topic, message);
_producer.CommitTransaction(DefaultTimeout);
}
catch (Exception)
{
_producer.AbortTransaction(DefaultTimeout);
throw;
}
return(result);
}
private void InitializeTransaction()
{
bool initTransaction = false;
while (!initTransaction)
{
try
{
producer.InitTransactions(configuration.TransactionTimeout);
initTransaction = true;
}
catch (KafkaRetriableException)
{
initTransaction = false;
}
catch (KafkaException e)
{
throw new StreamsException($"{logPrefix}Failed to initialize task {Id} due to timeout ({configuration.TransactionTimeout}).", e);
}
}
}
private void SendMessages(IProducer <Null, byte[]> producer, KafkaSendMessageArgs args, byte[] data, byte[] dataGuid, string guid)
{
producer.InitTransactions(TimeSpan.FromSeconds(10));
producer.BeginTransaction();
for (int i = 0; i < args.MessageCount - 1; i++)
{
producer.Produce(args.Topic, new Message <Null, byte[]> {
Value = data
});
}
producer.Produce(args.Topic, new Message <Null, byte[]> {
Value = dataGuid
});
producer.CommitTransaction();
var now = DateTimeOffset.Now.ToUnixTimeMilliseconds();
SendInitialTestResult(args, guid, now);
_logger.LogInformation($"Kafka sender: Guid = {guid} - Sent at: {DateTimeOffset.FromUnixTimeMilliseconds(now).AddHours(3).ToString("yyyy-MM-dd hh:mm:ss.fff tt")}"); //cuz im in +0300 atm
}
public void InitTransactions(TimeSpan timeout)
{
_producer.InitTransactions(timeout);
}
