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|
package sarama
type TxnOffsetCommitRequest struct {
Version int16
TransactionalID string
GroupID string
ProducerID int64
ProducerEpoch int16
Topics map[string][]*PartitionOffsetMetadata
}
func (t *TxnOffsetCommitRequest) encode(pe packetEncoder) error {
if err := pe.putString(t.TransactionalID); err != nil {
return err
}
if err := pe.putString(t.GroupID); err != nil {
return err
}
pe.putInt64(t.ProducerID)
pe.putInt16(t.ProducerEpoch)
if err := pe.putArrayLength(len(t.Topics)); err != nil {
return err
}
for topic, partitions := range t.Topics {
if err := pe.putString(topic); err != nil {
return err
}
if err := pe.putArrayLength(len(partitions)); err != nil {
return err
}
for _, partition := range partitions {
if err := partition.encode(pe, t.Version); err != nil {
return err
}
}
}
return nil
}
func (t *TxnOffsetCommitRequest) decode(pd packetDecoder, version int16) (err error) {
t.Version = version
if t.TransactionalID, err = pd.getString(); err != nil {
return err
}
if t.GroupID, err = pd.getString(); err != nil {
return err
}
if t.ProducerID, err = pd.getInt64(); err != nil {
return err
}
if t.ProducerEpoch, err = pd.getInt16(); err != nil {
return err
}
n, err := pd.getArrayLength()
if err != nil {
return err
}
t.Topics = make(map[string][]*PartitionOffsetMetadata)
for i := 0; i < n; i++ {
topic, err := pd.getString()
if err != nil {
return err
}
m, err := pd.getArrayLength()
if err != nil {
return err
}
t.Topics[topic] = make([]*PartitionOffsetMetadata, m)
for j := 0; j < m; j++ {
partitionOffsetMetadata := new(PartitionOffsetMetadata)
if err := partitionOffsetMetadata.decode(pd, version); err != nil {
return err
}
t.Topics[topic][j] = partitionOffsetMetadata
}
}
return nil
}
func (a *TxnOffsetCommitRequest) key() int16 {
return 28
}
func (a *TxnOffsetCommitRequest) version() int16 {
return a.Version
}
func (a *TxnOffsetCommitRequest) headerVersion() int16 {
return 1
}
func (a *TxnOffsetCommitRequest) isValidVersion() bool {
return a.Version >= 0 && a.Version <= 2
}
func (a *TxnOffsetCommitRequest) requiredVersion() KafkaVersion {
switch a.Version {
case 2:
return V2_1_0_0
case 1:
return V2_0_0_0
case 0:
return V0_11_0_0
default:
return V2_1_0_0
}
}
type PartitionOffsetMetadata struct {
// Partition contains the index of the partition within the topic.
Partition int32
// Offset contains the message offset to be committed.
Offset int64
// LeaderEpoch contains the leader epoch of the last consumed record.
LeaderEpoch int32
// Metadata contains any associated metadata the client wants to keep.
Metadata *string
}
func (p *PartitionOffsetMetadata) encode(pe packetEncoder, version int16) error {
pe.putInt32(p.Partition)
pe.putInt64(p.Offset)
if version >= 2 {
pe.putInt32(p.LeaderEpoch)
}
if err := pe.putNullableString(p.Metadata); err != nil {
return err
}
return nil
}
func (p *PartitionOffsetMetadata) decode(pd packetDecoder, version int16) (err error) {
if p.Partition, err = pd.getInt32(); err != nil {
return err
}
if p.Offset, err = pd.getInt64(); err != nil {
return err
}
if version >= 2 {
if p.LeaderEpoch, err = pd.getInt32(); err != nil {
return err
}
}
if p.Metadata, err = pd.getNullableString(); err != nil {
return err
}
return nil
}
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