Constructs a request to send to Kafka.
Inheritance: AbstractRequest
Exemplo n.º 1
0
        public void GetBytesValid()
        {
            string topicName = "topic";
            OffsetRequest request = new OffsetRequest(topicName, 0, OffsetRequest.LatestTime, 10);

            // format = len(request) + requesttype + len(topic) + topic + partition + time + max
            // total byte count = 4 + (2 + 2 + 5 + 4 + 8 + 4)
            byte[] bytes = request.GetBytes();
            Assert.IsNotNull(bytes);
            Assert.AreEqual(29, bytes.Length);

            // first 4 bytes = the length of the request
            Assert.AreEqual(25, BitConverter.ToInt32(BitWorks.ReverseBytes(bytes.Take(4).ToArray<byte>()), 0));

            // next 2 bytes = the RequestType which in this case should be Produce
            Assert.AreEqual((short)RequestType.Offsets, BitConverter.ToInt16(BitWorks.ReverseBytes(bytes.Skip(4).Take(2).ToArray<byte>()), 0));

            // next 2 bytes = the length of the topic
            Assert.AreEqual((short)5, BitConverter.ToInt16(BitWorks.ReverseBytes(bytes.Skip(6).Take(2).ToArray<byte>()), 0));

            // next 5 bytes = the topic
            Assert.AreEqual(topicName, Encoding.ASCII.GetString(bytes.Skip(8).Take(5).ToArray<byte>()));

            // next 4 bytes = the partition
            Assert.AreEqual(0, BitConverter.ToInt32(BitWorks.ReverseBytes(bytes.Skip(13).Take(4).ToArray<byte>()), 0));

            // next 8 bytes = time
            Assert.AreEqual(OffsetRequest.LatestTime, BitConverter.ToInt64(BitWorks.ReverseBytes(bytes.Skip(17).Take(8).ToArray<byte>()), 0));

            // next 4 bytes = max offsets
            Assert.AreEqual(10, BitConverter.ToInt32(BitWorks.ReverseBytes(bytes.Skip(25).Take(4).ToArray<byte>()), 0));
        }
Exemplo n.º 2
0
        public void ConsumerGetsOffsets()
        {
            OffsetRequest request = new OffsetRequest("test", 0, DateTime.Now.AddHours(-24).Ticks, 10);

            Consumer consumer = new Consumer(KafkaServer, KafkaPort);
            IList<long> list = consumer.GetOffsetsBefore(request);

            foreach (long l in list)
            {
                Console.Out.WriteLine(l);
            }
        }