144 lines
2.8 KiB
Go
144 lines
2.8 KiB
Go
package sarama
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type OffsetFetchResponseBlock struct {
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Offset int64
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Metadata string
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Err KError
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}
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func (b *OffsetFetchResponseBlock) decode(pd packetDecoder) (err error) {
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b.Offset, err = pd.getInt64()
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if err != nil {
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return err
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}
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b.Metadata, err = pd.getString()
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if err != nil {
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return err
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}
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tmp, err := pd.getInt16()
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if err != nil {
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return err
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}
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b.Err = KError(tmp)
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return nil
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}
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func (b *OffsetFetchResponseBlock) encode(pe packetEncoder) (err error) {
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pe.putInt64(b.Offset)
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err = pe.putString(b.Metadata)
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if err != nil {
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return err
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}
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pe.putInt16(int16(b.Err))
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return nil
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}
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type OffsetFetchResponse struct {
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Blocks map[string]map[int32]*OffsetFetchResponseBlock
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}
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func (r *OffsetFetchResponse) encode(pe packetEncoder) error {
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if err := pe.putArrayLength(len(r.Blocks)); err != nil {
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return err
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}
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for topic, partitions := range r.Blocks {
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if err := pe.putString(topic); err != nil {
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return err
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}
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if err := pe.putArrayLength(len(partitions)); err != nil {
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return err
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}
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for partition, block := range partitions {
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pe.putInt32(partition)
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if err := block.encode(pe); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (r *OffsetFetchResponse) decode(pd packetDecoder, version int16) (err error) {
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numTopics, err := pd.getArrayLength()
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if err != nil || numTopics == 0 {
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return err
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}
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r.Blocks = make(map[string]map[int32]*OffsetFetchResponseBlock, numTopics)
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for i := 0; i < numTopics; i++ {
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name, err := pd.getString()
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if err != nil {
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return err
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}
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numBlocks, err := pd.getArrayLength()
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if err != nil {
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return err
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}
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if numBlocks == 0 {
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r.Blocks[name] = nil
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continue
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}
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r.Blocks[name] = make(map[int32]*OffsetFetchResponseBlock, numBlocks)
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for j := 0; j < numBlocks; j++ {
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id, err := pd.getInt32()
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if err != nil {
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return err
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}
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block := new(OffsetFetchResponseBlock)
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err = block.decode(pd)
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if err != nil {
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return err
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}
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r.Blocks[name][id] = block
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}
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}
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return nil
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}
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func (r *OffsetFetchResponse) key() int16 {
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return 9
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}
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func (r *OffsetFetchResponse) version() int16 {
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return 0
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}
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func (r *OffsetFetchResponse) requiredVersion() KafkaVersion {
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return minVersion
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}
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func (r *OffsetFetchResponse) GetBlock(topic string, partition int32) *OffsetFetchResponseBlock {
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if r.Blocks == nil {
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return nil
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}
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if r.Blocks[topic] == nil {
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return nil
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}
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return r.Blocks[topic][partition]
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}
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func (r *OffsetFetchResponse) AddBlock(topic string, partition int32, block *OffsetFetchResponseBlock) {
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if r.Blocks == nil {
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r.Blocks = make(map[string]map[int32]*OffsetFetchResponseBlock)
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}
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partitions := r.Blocks[topic]
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if partitions == nil {
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partitions = make(map[int32]*OffsetFetchResponseBlock)
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r.Blocks[topic] = partitions
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}
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partitions[partition] = block
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}
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