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package sarama
import (
"sort"
"time"
)
// response message format is:
// throttleMs(int32) [topic]
// where topic is:
// name(string) [partition]
// where partition is:
// id(int32) low_watermark(int64) error_code(int16)
type DeleteRecordsResponse struct {
Version int16
ThrottleTime time.Duration
Topics map[string]*DeleteRecordsResponseTopic
}
func (d *DeleteRecordsResponse) encode(pe packetEncoder) error {
pe.putInt32(int32(d.ThrottleTime / time.Millisecond))
if err := pe.putArrayLength(len(d.Topics)); err != nil {
return err
}
keys := make([]string, 0, len(d.Topics))
for topic := range d.Topics {
keys = append(keys, topic)
}
sort.Strings(keys)
for _, topic := range keys {
if err := pe.putString(topic); err != nil {
return err
}
if err := d.Topics[topic].encode(pe); err != nil {
return err
}
}
return nil
}
func (d *DeleteRecordsResponse) decode(pd packetDecoder, version int16) error {
d.Version = version
throttleTime, err := pd.getInt32()
if err != nil {
return err
}
d.ThrottleTime = time.Duration(throttleTime) * time.Millisecond
n, err := pd.getArrayLength()
if err != nil {
return err
}
if n > 0 {
d.Topics = make(map[string]*DeleteRecordsResponseTopic, n)
for i := 0; i < n; i++ {
topic, err := pd.getString()
if err != nil {
return err
}
details := new(DeleteRecordsResponseTopic)
if err = details.decode(pd, version); err != nil {
return err
}
d.Topics[topic] = details
}
}
return nil
}
func (d *DeleteRecordsResponse) key() int16 {
return 21
}
func (d *DeleteRecordsResponse) version() int16 {
return 0
}
func (d *DeleteRecordsResponse) requiredVersion() KafkaVersion {
return V0_11_0_0
}
type DeleteRecordsResponseTopic struct {
Partitions map[int32]*DeleteRecordsResponsePartition
}
func (t *DeleteRecordsResponseTopic) encode(pe packetEncoder) error {
if err := pe.putArrayLength(len(t.Partitions)); err != nil {
return err
}
keys := make([]int32, 0, len(t.Partitions))
for partition := range t.Partitions {
keys = append(keys, partition)
}
sort.Slice(keys, func(i, j int) bool { return keys[i] < keys[j] })
for _, partition := range keys {
pe.putInt32(partition)
if err := t.Partitions[partition].encode(pe); err != nil {
return err
}
}
return nil
}
func (t *DeleteRecordsResponseTopic) decode(pd packetDecoder, version int16) error {
n, err := pd.getArrayLength()
if err != nil {
return err
}
if n > 0 {
t.Partitions = make(map[int32]*DeleteRecordsResponsePartition, n)
for i := 0; i < n; i++ {
partition, err := pd.getInt32()
if err != nil {
return err
}
details := new(DeleteRecordsResponsePartition)
if err = details.decode(pd, version); err != nil {
return err
}
t.Partitions[partition] = details
}
}
return nil
}
type DeleteRecordsResponsePartition struct {
LowWatermark int64
Err KError
}
func (t *DeleteRecordsResponsePartition) encode(pe packetEncoder) error {
pe.putInt64(t.LowWatermark)
pe.putInt16(int16(t.Err))
return nil
}
func (t *DeleteRecordsResponsePartition) decode(pd packetDecoder, version int16) error {
lowWatermark, err := pd.getInt64()
if err != nil {
return err
}
t.LowWatermark = lowWatermark
kErr, err := pd.getInt16()
if err != nil {
return err
}
t.Err = KError(kErr)
return nil
}
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