public void GetBytesValid()
{
const string topicName = "topic";
var requestInfo = new Dictionary<string, List<PartitionOffsetRequestInfo>>();
requestInfo[topicName] = new List<PartitionOffsetRequestInfo>() { new PartitionOffsetRequestInfo(0, OffsetRequest.LatestTime, 10) };
var request = new OffsetRequest(requestInfo);
// format = len(request) + requesttype + version + correlation id + client id + replica id + request info count + request infos
int count = 2 + 2 + 4 + 2 + 4 + 4 + 4 +
BitWorks.GetShortStringLength("topic", AbstractRequest.DefaultEncoding) + 4 + 4 + 8 + 4;
var ms = new MemoryStream();
request.WriteTo(ms);
byte[] bytes = ms.ToArray();
Assert.IsNotNull(bytes);
Assert.AreEqual(count, bytes.Length);
var reader = new KafkaBinaryReader(ms);
reader.ReadInt32().Should().Be(count - 4); // length
reader.ReadInt16().Should().Be((short)RequestTypes.Offsets); // request type
reader.ReadInt16().Should().Be(0); // version
reader.ReadInt32().Should().Be(0); // correlation id
string.IsNullOrEmpty(reader.ReadShortString()).Should().BeTrue(); // client id
reader.ReadInt32().Should().Be(-1); // replica id
reader.ReadInt32().Should().Be(1); // request info count
reader.ReadShortString().Should().Be("topic");
reader.ReadInt32().Should().Be(1); // info count
reader.ReadInt32().Should().Be(0); // partition id
reader.ReadInt64().Should().Be(OffsetRequest.LatestTime); // time
reader.ReadInt32().Should().Be(10); // max offset
}
internal static PartitionData ParseFrom(KafkaBinaryReader reader)
{
var partition = reader.ReadInt32();
var error = reader.ReadInt16();
var highWatermark = reader.ReadInt64();
var messageSetSize = reader.ReadInt32();
var bufferedMessageSet = BufferedMessageSet.ParseFrom(reader, messageSetSize, partition);
return new PartitionData(partition, ErrorMapper.ToError(error), bufferedMessageSet);
}
