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package sarama
import (
"fmt"
"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
}
func (b *ProduceResponseBlock) encode(pe packetEncoder, version int16) (err error) {
pe.putInt16(int16(b.Err))
pe.putInt64(b.Offset)
if version >= 2 {
timestamp := int64(-1)
if !b.Timestamp.Before(time.Unix(0, 0)) {
timestamp = b.Timestamp.UnixNano() / int64(time.Millisecond)
} else if !b.Timestamp.IsZero() {
return PacketEncodingError{fmt.Sprintf("invalid timestamp (%v)", b.Timestamp)}
}
pe.putInt64(timestamp)
}
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)
err = prb.encode(pe, r.Version)
if err != nil {
return err
}
}
}
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
case 3:
return V0_11_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
}
block := &ProduceResponseBlock{
Err: err,
}
if r.Version >= 2 {
block.Timestamp = time.Now()
}
byTopic[partition] = block
}
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