static void Main(string[] args)
{
const string topicName = "test";
var options = new KafkaOptions(new Uri("http://localhost:9092"));
Task.Run(() =>
{
//创建一个消费者
var consumer = new Consumer(new ConsumerOptions(topicName, new BrokerRouter(options)));
foreach (var data in consumer.Consume())
{
Console.WriteLine("Response: PartitionId={0},Offset={1} :Value={2}", data.Meta.PartitionId, data.Meta.Offset, data.Value.ToUtf8String());
}
});
Console.ReadLine();
}
public static async Task <IProducer> CreateProducerAsync(this KafkaOptions options)
{
return(new Producer(await options.CreateRouterAsync(), options.ProducerConfiguration, false));
}
public static Task <IGroupConsumer> CreateGroupConsumerAsync(this KafkaOptions options, IRouter router, string groupId, ConsumerProtocolMetadata metadata, CancellationToken cancellationToken)
{
return(router.CreateGroupConsumerAsync(groupId, metadata, options.ConsumerConfiguration, options.Encoders, cancellationToken));
}
public static async Task <IConsumer> CreateConsumerAsync(this KafkaOptions options, string topicName, int partitionId)
{
return(new Consumer(topicName, partitionId, await options.CreateRouterAsync(), options.ConsumerConfiguration, false));
}
public static IConnection CreateConnection(this KafkaOptions options, Endpoint endpoint)
{
return(options.ConnectionFactory.Create(endpoint, options.ConnectionConfiguration, options.Log));
}
public static async Task <IConnection> CreateConnectionAsync(this KafkaOptions options)
{
var endpoint = await Endpoint.ResolveAsync(options.ServerUris.First(), options.Log);
return(options.CreateConnection(endpoint));
}
public Consumer(KafkaOptions options)
: this(new BrokerRouter(options), options.ConsumerConfiguration, false)
{
}
/// <exception cref="ConnectionException">None of the provided Kafka servers are resolvable.</exception>
public BrokerRouter(KafkaOptions options)
: this(options.ServerUris, options.ConnectionFactory, options.ConnectionConfiguration, options.PartitionSelector, options.CacheConfiguration, options.Log)
{
}
public Producer(KafkaOptions options)
: this(new BrokerRouter(options), options.ProducerConfiguration, false)
{
}
