traefik/vendor/github.com/Shopify/sarama/produce_response.go
2018-01-10 17:48:04 +01:00

159 lines
3.1 KiB
Go

package sarama
import "time"
type ProduceResponseBlock struct {
Err KError
Offset int64
// only provided if Version >= 2 and the broker is configured with `LogAppendTime`
Timestamp time.Time
}
func (b *ProduceResponseBlock) decode(pd packetDecoder, version int16) (err error) {
tmp, err := pd.getInt16()
if err != nil {
return err
}
b.Err = KError(tmp)
b.Offset, err = pd.getInt64()
if err != nil {
return err
}
if version >= 2 {
if millis, err := pd.getInt64(); err != nil {
return err
} else if millis != -1 {
b.Timestamp = time.Unix(millis/1000, (millis%1000)*int64(time.Millisecond))
}
}
return nil
}
type ProduceResponse struct {
Blocks map[string]map[int32]*ProduceResponseBlock
Version int16
ThrottleTime time.Duration // only provided if Version >= 1
}
func (r *ProduceResponse) decode(pd packetDecoder, version int16) (err error) {
r.Version = version
numTopics, err := pd.getArrayLength()
if err != nil {
return err
}
r.Blocks = make(map[string]map[int32]*ProduceResponseBlock, numTopics)
for i := 0; i < numTopics; i++ {
name, err := pd.getString()
if err != nil {
return err
}
numBlocks, err := pd.getArrayLength()
if err != nil {
return err
}
r.Blocks[name] = make(map[int32]*ProduceResponseBlock, numBlocks)
for j := 0; j < numBlocks; j++ {
id, err := pd.getInt32()
if err != nil {
return err
}
block := new(ProduceResponseBlock)
err = block.decode(pd, version)
if err != nil {
return err
}
r.Blocks[name][id] = block
}
}
if r.Version >= 1 {
millis, err := pd.getInt32()
if err != nil {
return err
}
r.ThrottleTime = time.Duration(millis) * time.Millisecond
}
return nil
}
func (r *ProduceResponse) encode(pe packetEncoder) error {
err := pe.putArrayLength(len(r.Blocks))
if err != nil {
return err
}
for topic, partitions := range r.Blocks {
err = pe.putString(topic)
if err != nil {
return err
}
err = pe.putArrayLength(len(partitions))
if err != nil {
return err
}
for id, prb := range partitions {
pe.putInt32(id)
pe.putInt16(int16(prb.Err))
pe.putInt64(prb.Offset)
}
}
if r.Version >= 1 {
pe.putInt32(int32(r.ThrottleTime / time.Millisecond))
}
return nil
}
func (r *ProduceResponse) key() int16 {
return 0
}
func (r *ProduceResponse) version() int16 {
return r.Version
}
func (r *ProduceResponse) requiredVersion() KafkaVersion {
switch r.Version {
case 1:
return V0_9_0_0
case 2:
return V0_10_0_0
default:
return minVersion
}
}
func (r *ProduceResponse) GetBlock(topic string, partition int32) *ProduceResponseBlock {
if r.Blocks == nil {
return nil
}
if r.Blocks[topic] == nil {
return nil
}
return r.Blocks[topic][partition]
}
// Testing API
func (r *ProduceResponse) AddTopicPartition(topic string, partition int32, err KError) {
if r.Blocks == nil {
r.Blocks = make(map[string]map[int32]*ProduceResponseBlock)
}
byTopic, ok := r.Blocks[topic]
if !ok {
byTopic = make(map[int32]*ProduceResponseBlock)
r.Blocks[topic] = byTopic
}
byTopic[partition] = &ProduceResponseBlock{Err: err}
}