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- package sarama
- type OffsetFetchResponseBlock struct {
- Offset int64
- LeaderEpoch int32
- Metadata string
- Err KError
- }
- func (b *OffsetFetchResponseBlock) decode(pd packetDecoder, version int16) (err error) {
- b.Offset, err = pd.getInt64()
- if err != nil {
- return err
- }
- if version >= 5 {
- b.LeaderEpoch, err = pd.getInt32()
- if err != nil {
- return err
- }
- }
- b.Metadata, err = pd.getString()
- if err != nil {
- return err
- }
- tmp, err := pd.getInt16()
- if err != nil {
- return err
- }
- b.Err = KError(tmp)
- return nil
- }
- func (b *OffsetFetchResponseBlock) encode(pe packetEncoder, version int16) (err error) {
- pe.putInt64(b.Offset)
- if version >= 5 {
- pe.putInt32(b.LeaderEpoch)
- }
- err = pe.putString(b.Metadata)
- if err != nil {
- return err
- }
- pe.putInt16(int16(b.Err))
- return nil
- }
- type OffsetFetchResponse struct {
- Version int16
- ThrottleTimeMs int32
- Blocks map[string]map[int32]*OffsetFetchResponseBlock
- Err KError
- }
- func (r *OffsetFetchResponse) encode(pe packetEncoder) error {
- if r.Version >= 3 {
- pe.putInt32(r.ThrottleTimeMs)
- }
- if err := pe.putArrayLength(len(r.Blocks)); err != nil {
- return err
- }
- for topic, partitions := range r.Blocks {
- if err := pe.putString(topic); err != nil {
- return err
- }
- if err := pe.putArrayLength(len(partitions)); err != nil {
- return err
- }
- for partition, block := range partitions {
- pe.putInt32(partition)
- if err := block.encode(pe, r.Version); err != nil {
- return err
- }
- }
- }
- if r.Version >= 2 {
- pe.putInt16(int16(r.Err))
- }
- return nil
- }
- func (r *OffsetFetchResponse) decode(pd packetDecoder, version int16) (err error) {
- r.Version = version
- if version >= 3 {
- r.ThrottleTimeMs, err = pd.getInt32()
- if err != nil {
- return err
- }
- }
- numTopics, err := pd.getArrayLength()
- if err != nil {
- return err
- }
- if numTopics > 0 {
- r.Blocks = make(map[string]map[int32]*OffsetFetchResponseBlock, 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
- }
- if numBlocks == 0 {
- r.Blocks[name] = nil
- continue
- }
- r.Blocks[name] = make(map[int32]*OffsetFetchResponseBlock, numBlocks)
- for j := 0; j < numBlocks; j++ {
- id, err := pd.getInt32()
- if err != nil {
- return err
- }
- block := new(OffsetFetchResponseBlock)
- err = block.decode(pd, version)
- if err != nil {
- return err
- }
- r.Blocks[name][id] = block
- }
- }
- }
- if version >= 2 {
- kerr, err := pd.getInt16()
- if err != nil {
- return err
- }
- r.Err = KError(kerr)
- }
- return nil
- }
- func (r *OffsetFetchResponse) key() int16 {
- return 9
- }
- func (r *OffsetFetchResponse) version() int16 {
- return r.Version
- }
- func (r *OffsetFetchResponse) requiredVersion() KafkaVersion {
- switch r.Version {
- case 1:
- return V0_8_2_0
- case 2:
- return V0_10_2_0
- case 3:
- return V0_11_0_0
- case 4:
- return V2_0_0_0
- case 5:
- return V2_1_0_0
- default:
- return MinVersion
- }
- }
- func (r *OffsetFetchResponse) GetBlock(topic string, partition int32) *OffsetFetchResponseBlock {
- if r.Blocks == nil {
- return nil
- }
- if r.Blocks[topic] == nil {
- return nil
- }
- return r.Blocks[topic][partition]
- }
- func (r *OffsetFetchResponse) AddBlock(topic string, partition int32, block *OffsetFetchResponseBlock) {
- if r.Blocks == nil {
- r.Blocks = make(map[string]map[int32]*OffsetFetchResponseBlock)
- }
- partitions := r.Blocks[topic]
- if partitions == nil {
- partitions = make(map[int32]*OffsetFetchResponseBlock)
- r.Blocks[topic] = partitions
- }
- partitions[partition] = block
- }
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