protected override void EncodeBody(IKafkaWriter writer, IRequestContext context)
{
var totalCompressedBytes = 0;
var groupedPayloads = (from p in topics
group p by new {
p.topic, p.partition_id, p.Codec
} into tpc
select tpc).ToList();
writer.Write(acks)
.Write((int)timeout.TotalMilliseconds)
.Write(groupedPayloads.Count);
foreach (var groupedPayload in groupedPayloads)
{
var payloads = groupedPayload.ToList();
writer.Write(groupedPayload.Key.topic)
.Write(payloads.Count)
.Write(groupedPayload.Key.partition_id);
var compressedBytes = writer.Write(payloads.SelectMany(x => x.Messages), groupedPayload.Key.Codec);
Interlocked.Add(ref totalCompressedBytes, compressedBytes);
}
if (context.OnProduceRequestMessages != null)
{
var segment = writer.ToSegment();
context.OnProduceRequestMessages(topics.Sum(_ => _.Messages.Count), segment.Count, totalCompressedBytes);
}
}
