public static MetadataResponse FromBytes(IRequestContext context, ArraySegment <byte> bytes)
{
using (var reader = new KafkaReader(bytes)) {
var brokers = new Server[reader.ReadInt32()];
for (var b = 0; b < brokers.Length; b++)
{
var brokerId = reader.ReadInt32();
var host = reader.ReadString();
var port = reader.ReadInt32();
string rack = null;
if (context.ApiVersion >= 1)
{
rack = reader.ReadString();
}
brokers[b] = new Server(brokerId, host, port, rack);
}
string clusterId = null;
if (context.ApiVersion >= 2)
{
clusterId = reader.ReadString();
}
int?controllerId = null;
if (context.ApiVersion >= 1)
{
controllerId = reader.ReadInt32();
}
var topics = new Topic[reader.ReadInt32()];
for (var t = 0; t < topics.Length; t++)
{
var topicError = (ErrorCode)reader.ReadInt16();
var topicName = reader.ReadString();
bool?isInternal = null;
if (context.ApiVersion >= 1)
{
isInternal = reader.ReadBoolean();
}
var partitions = new Partition[reader.ReadInt32()];
for (var p = 0; p < partitions.Length; p++)
{
var partitionError = (ErrorCode)reader.ReadInt16();
var partitionId = reader.ReadInt32();
var leaderId = reader.ReadInt32();
var replicaCount = reader.ReadInt32();
var replicas = replicaCount.Repeat(reader.ReadInt32).ToArray();
var isrCount = reader.ReadInt32();
var isrs = isrCount.Repeat(reader.ReadInt32).ToArray();
partitions[p] = new Partition(partitionId, leaderId, partitionError, replicas, isrs);
}
topics[t] = new Topic(topicName, topicError, partitions, isInternal);
}
return(new MetadataResponse(brokers, topics, controllerId, clusterId));
}
}