public static OffsetsResponse FromBytes(IRequestContext context, ArraySegment <byte> bytes)
{
using (var reader = new KafkaReader(bytes)) {
var topics = new List <Topic>();
var topicCount = reader.ReadInt32();
for (var t = 0; t < topicCount; t++)
{
var topicName = reader.ReadString();
var partitionCount = reader.ReadInt32();
for (var p = 0; p < partitionCount; p++)
{
var partitionId = reader.ReadInt32();
var errorCode = (ErrorCode)reader.ReadInt16();
if (context.ApiVersion == 0)
{
var offsetsCount = reader.ReadInt32();
for (var o = 0; o < offsetsCount; o++)
{
var offset = reader.ReadInt64();
topics.Add(new Topic(topicName, partitionId, errorCode, offset));
}
}
else
{
var timestamp = reader.ReadInt64();
var offset = reader.ReadInt64();
topics.Add(new Topic(topicName, partitionId, errorCode, offset, DateTimeOffset.FromUnixTimeMilliseconds(timestamp)));
}
}
}
return(new OffsetsResponse(topics));
}
}
public static FetchResponse FromBytes(IRequestContext context, ArraySegment <byte> bytes)
{
using (var reader = new KafkaReader(bytes)) {
TimeSpan?throttleTime = null;
if (context.ApiVersion >= 1)
{
throttleTime = TimeSpan.FromMilliseconds(reader.ReadInt32());
}
var topics = new List <FetchResponse.Topic>();
var topicCount = reader.ReadInt32();
for (var t = 0; t < topicCount; t++)
{
var topicName = reader.ReadString();
var partitionCount = reader.ReadInt32();
for (var p = 0; p < partitionCount; p++)
{
var partitionId = reader.ReadInt32();
var errorCode = (ErrorCode)reader.ReadInt16();
var highWaterMarkOffset = reader.ReadInt64();
var messages = reader.ReadMessages();
topics.Add(new Topic(topicName, partitionId, highWaterMarkOffset, errorCode, messages));
}
}
return(new FetchResponse(topics, throttleTime));
}
}
public static ProduceResponse FromBytes(IRequestContext context, ArraySegment <byte> bytes)
{
using (var reader = new KafkaReader(bytes)) {
TimeSpan?throttleTime = null;
var topics = new List <Topic>();
var topicCount = reader.ReadInt32();
for (var i = 0; i < topicCount; i++)
{
var topicName = reader.ReadString();
var partitionCount = reader.ReadInt32();
for (var j = 0; j < partitionCount; j++)
{
var partitionId = reader.ReadInt32();
var errorCode = (ErrorCode)reader.ReadInt16();
var offset = reader.ReadInt64();
DateTimeOffset?timestamp = null;
if (context.ApiVersion >= 2)
{
var milliseconds = reader.ReadInt64();
if (milliseconds >= 0)
{
timestamp = DateTimeOffset.FromUnixTimeMilliseconds(milliseconds);
}
}
topics.Add(new Topic(topicName, partitionId, errorCode, offset, timestamp));
}
}
if (context.ApiVersion >= 1)
{
throttleTime = TimeSpan.FromMilliseconds(reader.ReadInt32());
}
return(new ProduceResponse(topics, throttleTime));
}
}
public static OffsetFetchResponse FromBytes(IRequestContext context, ArraySegment <byte> bytes)
{
using (var reader = new KafkaReader(bytes)) {
var topics = new List <Topic>();
var topicCount = reader.ReadInt32();
for (var t = 0; t < topicCount; t++)
{
var topicName = reader.ReadString();
var partitionCount = reader.ReadInt32();
for (var p = 0; p < partitionCount; p++)
{
var partitionId = reader.ReadInt32();
var offset = reader.ReadInt64();
var metadata = reader.ReadString();
var errorCode = (ErrorCode)reader.ReadInt16();
topics.Add(new Topic(topicName, partitionId, errorCode, offset, metadata));
}
}
return(new OffsetFetchResponse(topics));
}
}