minio/vendor/gopkg.in/Shopify/sarama.v1/offset_response.go

143 lines
2.7 KiB
Go

package sarama
type OffsetResponseBlock struct {
Err KError
Offsets []int64
}
func (b *OffsetResponseBlock) decode(pd packetDecoder) (err error) {
tmp, err := pd.getInt16()
if err != nil {
return err
}
b.Err = KError(tmp)
b.Offsets, err = pd.getInt64Array()
return err
}
func (b *OffsetResponseBlock) encode(pe packetEncoder) (err error) {
pe.putInt16(int16(b.Err))
return pe.putInt64Array(b.Offsets)
}
type OffsetResponse struct {
Blocks map[string]map[int32]*OffsetResponseBlock
}
func (r *OffsetResponse) decode(pd packetDecoder, version int16) (err error) {
numTopics, err := pd.getArrayLength()
if err != nil {
return err
}
r.Blocks = make(map[string]map[int32]*OffsetResponseBlock, 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]*OffsetResponseBlock, numBlocks)
for j := 0; j < numBlocks; j++ {
id, err := pd.getInt32()
if err != nil {
return err
}
block := new(OffsetResponseBlock)
err = block.decode(pd)
if err != nil {
return err
}
r.Blocks[name][id] = block
}
}
return nil
}
func (r *OffsetResponse) GetBlock(topic string, partition int32) *OffsetResponseBlock {
if r.Blocks == nil {
return nil
}
if r.Blocks[topic] == nil {
return nil
}
return r.Blocks[topic][partition]
}
/*
// [0 0 0 1 ntopics
0 8 109 121 95 116 111 112 105 99 topic
0 0 0 1 npartitions
0 0 0 0 id
0 0
0 0 0 1 0 0 0 0
0 1 1 1 0 0 0 1
0 8 109 121 95 116 111 112
105 99 0 0 0 1 0 0
0 0 0 0 0 0 0 1
0 0 0 0 0 1 1 1] <nil>
*/
func (r *OffsetResponse) encode(pe packetEncoder) (err error) {
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); err != nil {
return err
}
}
}
return nil
}
func (r *OffsetResponse) key() int16 {
return 2
}
func (r *OffsetResponse) version() int16 {
return 0
}
func (r *OffsetResponse) requiredVersion() KafkaVersion {
return minVersion
}
// testing API
func (r *OffsetResponse) AddTopicPartition(topic string, partition int32, offset int64) {
if r.Blocks == nil {
r.Blocks = make(map[string]map[int32]*OffsetResponseBlock)
}
byTopic, ok := r.Blocks[topic]
if !ok {
byTopic = make(map[int32]*OffsetResponseBlock)
r.Blocks[topic] = byTopic
}
byTopic[partition] = &OffsetResponseBlock{Offsets: []int64{offset}}
}