VOL-1867 move simulated olt from voltha-go to voltha-simolt-adapter
Sourced from voltha-go commit 251a11c0ffe60512318a644cd6ce0dc4e12f4018
Change-Id: I8e7ee4da1fed739b3c461917301d2729a79307f5
diff --git a/vendor/gopkg.in/Shopify/sarama.v1/offset_response.go b/vendor/gopkg.in/Shopify/sarama.v1/offset_response.go
new file mode 100644
index 0000000..8b2193f
--- /dev/null
+++ b/vendor/gopkg.in/Shopify/sarama.v1/offset_response.go
@@ -0,0 +1,174 @@
+package sarama
+
+type OffsetResponseBlock struct {
+ Err KError
+ Offsets []int64 // Version 0
+ Offset int64 // Version 1
+ Timestamp int64 // Version 1
+}
+
+func (b *OffsetResponseBlock) decode(pd packetDecoder, version int16) (err error) {
+ tmp, err := pd.getInt16()
+ if err != nil {
+ return err
+ }
+ b.Err = KError(tmp)
+
+ if version == 0 {
+ b.Offsets, err = pd.getInt64Array()
+
+ return err
+ }
+
+ b.Timestamp, err = pd.getInt64()
+ if err != nil {
+ return err
+ }
+
+ b.Offset, err = pd.getInt64()
+ if err != nil {
+ return err
+ }
+
+ // For backwards compatibility put the offset in the offsets array too
+ b.Offsets = []int64{b.Offset}
+
+ return nil
+}
+
+func (b *OffsetResponseBlock) encode(pe packetEncoder, version int16) (err error) {
+ pe.putInt16(int16(b.Err))
+
+ if version == 0 {
+ return pe.putInt64Array(b.Offsets)
+ }
+
+ pe.putInt64(b.Timestamp)
+ pe.putInt64(b.Offset)
+
+ return nil
+}
+
+type OffsetResponse struct {
+ Version int16
+ 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, version)
+ 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, r.version()); err != nil {
+ return err
+ }
+ }
+ }
+
+ return nil
+}
+
+func (r *OffsetResponse) key() int16 {
+ return 2
+}
+
+func (r *OffsetResponse) version() int16 {
+ return r.Version
+}
+
+func (r *OffsetResponse) requiredVersion() KafkaVersion {
+ switch r.Version {
+ case 1:
+ return V0_10_1_0
+ default:
+ 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}, Offset: offset}
+}