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package sarama
// DescribeLogDirsRequest is a describe request to get partitions' log size
type DescribeLogDirsRequest struct {
// Version 0 and 1 are equal
// The version number is bumped to indicate that on quota violation brokers send out responses before throttling.
Version int16
// If this is an empty array, all topics will be queried
DescribeTopics []DescribeLogDirsRequestTopic
}
func (r *DescribeLogDirsRequest) setVersion(v int16) {
r.Version = v
}
// DescribeLogDirsRequestTopic is a describe request about the log dir of one or more partitions within a Topic
type DescribeLogDirsRequestTopic struct {
Topic string
PartitionIDs []int32
}
func (r *DescribeLogDirsRequest) encode(pe packetEncoder) error {
length := len(r.DescribeTopics)
if length == 0 {
// In order to query all topics we must send null
length = -1
}
if err := pe.putArrayLength(length); err != nil {
return err
}
for _, d := range r.DescribeTopics {
if err := pe.putString(d.Topic); err != nil {
return err
}
if err := pe.putInt32Array(d.PartitionIDs); err != nil {
return err
}
pe.putEmptyTaggedFieldArray()
}
pe.putEmptyTaggedFieldArray()
return nil
}
func (r *DescribeLogDirsRequest) decode(pd packetDecoder, version int16) error {
n, err := pd.getArrayLength()
if err != nil {
return err
}
if n == -1 {
n = 0
}
topics := make([]DescribeLogDirsRequestTopic, n)
for i := 0; i < n; i++ {
topics[i] = DescribeLogDirsRequestTopic{}
topic, err := pd.getString()
if err != nil {
return err
}
topics[i].Topic = topic
pIDs, err := pd.getInt32Array()
if err != nil {
return err
}
topics[i].PartitionIDs = pIDs
_, err = pd.getEmptyTaggedFieldArray()
if err != nil {
return err
}
}
r.DescribeTopics = topics
_, err = pd.getEmptyTaggedFieldArray()
return err
}
func (r *DescribeLogDirsRequest) key() int16 {
return apiKeyDescribeLogDirs
}
func (r *DescribeLogDirsRequest) version() int16 {
return r.Version
}
func (r *DescribeLogDirsRequest) headerVersion() int16 {
if r.Version >= 2 {
return 2
}
return 1
}
func (r *DescribeLogDirsRequest) isValidVersion() bool {
return r.Version >= 0 && r.Version <= 4
}
func (r *DescribeLogDirsRequest) isFlexible() bool {
return r.isFlexibleVersion(r.Version)
}
func (r *DescribeLogDirsRequest) isFlexibleVersion(version int16) bool {
return version >= 2
}
func (r *DescribeLogDirsRequest) requiredVersion() KafkaVersion {
switch r.Version {
case 4:
return V3_3_0_0
case 3:
return V3_2_0_0
case 2:
return V2_6_0_0
case 1:
return V2_0_0_0
default:
return V1_0_0_0
}
}
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