public async Task <OperateResult> SendAsync(TransportMessage message)
{
var producer = _connectionPool.RentProducer();
try
{
var headers = new Confluent.Kafka.Headers();
foreach (var header in message.Headers)
{
headers.Add(header.Value != null
? new Header(header.Key, Encoding.UTF8.GetBytes(header.Value))
: new Header(header.Key, null));
}
CancellationToken a = new CancellationToken();
var result = await producer.ProduceAsync(message.GetTopic(), new Message <string, byte[]>
{
Headers = headers,
Key = message.Headers.TryGetValue(KafkaHeaders.KafkaKey, out string kafkaMessageKey) && !string.IsNullOrEmpty(kafkaMessageKey) ? kafkaMessageKey : message.GetId(),
Value = message.Body
}, a);
if (result.Status == PersistenceStatus.Persisted || result.Status == PersistenceStatus.PossiblyPersisted)
{
_logger.LogDebug($"kafka topic message [{message.GetName()}] has been published.");
return(OperateResult.Success);
}
throw new Exception("kafka message persisted failed!");
}
