问RabbitMQ c#客户端:利用所有cpu核心

EN

static async Task Main(string[] args)
        {
            var factory = new ConnectionFactory() { HostName = "localhost", DispatchConsumersAsync = true };
            using (var connection = factory.CreateConnection())
            using (var channel = connection.CreateModel())
            {
                channel.QueueDeclare(queue: "hello1",
                                     durable: true,
                                     exclusive: false,
                                     autoDelete: false,
                                     arguments: null);

                var tasks = new List<Task>() {
                    ReceiveEvent(channel, 1),
                    ReceiveEvent(channel, 2),
                    ReceiveEvent(channel, 3)
                };

                await Task.WhenAll(tasks);

                Console.WriteLine(" Press [enter] to exit.");
                Console.ReadLine();
                //
                channel.Close();
                connection.Close();
            }
        }

        private static async Task ReceiveEvent(IModel channel, int consumerNo)
        {            
            var consumer = new AsyncEventingBasicConsumer(channel);

            int i = 1;
            consumer.Received += async (model, ea) =>
            {
                var body = ea.Body;
                var message = Encoding.UTF8.GetString(body);
                Console.WriteLine($"Received {i++} lines in consumer {consumerNo} --- {message}");
                Thread.Sleep(500 * consumerNo);
                //
                channel.BasicAck(ea.DeliveryTag, false);
                await Task.Yield();
            };
            channel.BasicConsume(queue: "hello1",
                                 autoAck: false,
                                 consumer: consumer);
        }