public void Connect()
{
if (_consumerClient != null)
{
return;
}
ConnectionLock.Wait();
try
{
if (_consumerClient == null)
{
_kafkaOptions.MainConfig["group.id"] = _groupId;
_kafkaOptions.MainConfig["auto.offset.reset"] = "earliest";//初始化连接时读取最早的信息
var config = _kafkaOptions.AsKafkaConfig();
_consumerClient = new ConsumerBuilder <string, byte[]>(config)
.SetErrorHandler(ConsumerClient_OnConsumeError)
.Build();
}
}
finally
{
ConnectionLock.Release();
}
}
public IProducer <string, byte[]> RentProducer()
{
if (_producerPool.TryDequeue(out var producer))
{
Interlocked.Decrement(ref _pCount);
return(producer);
}
producer = new ProducerBuilder <string, byte[]>(_options.AsKafkaConfig()).Build();
return(producer);
}
public ConnectionPool(ILogger <ConnectionPool> logger, IOptions <KafkaOptions> options)
{
_options = options.Value;
_producerPool = new ConcurrentQueue <IProducer <string, byte[]> >();
_maxSize = _options.ConnectionPoolSize;
logger.LogDebug("Caf Kafka configuration: {0}", JsonConvert.SerializeObject(_options.AsKafkaConfig(), Formatting.Indented));
}
