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/github.com/Shopify/sarama/offset_request.go b/vendor/github.com/Shopify/sarama/offset_request.go
new file mode 100644
index 0000000..326c372
--- /dev/null
+++ b/vendor/github.com/Shopify/sarama/offset_request.go
@@ -0,0 +1,156 @@
+package sarama
+
+type offsetRequestBlock struct {
+ time int64
+ maxOffsets int32 // Only used in version 0
+}
+
+func (b *offsetRequestBlock) encode(pe packetEncoder, version int16) error {
+ pe.putInt64(int64(b.time))
+ if version == 0 {
+ pe.putInt32(b.maxOffsets)
+ }
+
+ return nil
+}
+
+func (b *offsetRequestBlock) decode(pd packetDecoder, version int16) (err error) {
+ if b.time, err = pd.getInt64(); err != nil {
+ return err
+ }
+ if version == 0 {
+ if b.maxOffsets, err = pd.getInt32(); err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+type OffsetRequest struct {
+ Version int16
+ replicaID int32
+ isReplicaIDSet bool
+ blocks map[string]map[int32]*offsetRequestBlock
+}
+
+func (r *OffsetRequest) encode(pe packetEncoder) error {
+ if r.isReplicaIDSet {
+ pe.putInt32(r.replicaID)
+ } else {
+ // default replica ID is always -1 for clients
+ pe.putInt32(-1)
+ }
+
+ err := pe.putArrayLength(len(r.blocks))
+ if err != nil {
+ return err
+ }
+ for topic, partitions := range r.blocks {
+ err = pe.putString(topic)
+ if err != nil {
+ return err
+ }
+ err = pe.putArrayLength(len(partitions))
+ if 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 *OffsetRequest) decode(pd packetDecoder, version int16) error {
+ r.Version = version
+
+ replicaID, err := pd.getInt32()
+ if err != nil {
+ return err
+ }
+ if replicaID >= 0 {
+ r.SetReplicaID(replicaID)
+ }
+
+ blockCount, err := pd.getArrayLength()
+ if err != nil {
+ return err
+ }
+ if blockCount == 0 {
+ return nil
+ }
+ r.blocks = make(map[string]map[int32]*offsetRequestBlock)
+ for i := 0; i < blockCount; i++ {
+ topic, err := pd.getString()
+ if err != nil {
+ return err
+ }
+ partitionCount, err := pd.getArrayLength()
+ if err != nil {
+ return err
+ }
+ r.blocks[topic] = make(map[int32]*offsetRequestBlock)
+ for j := 0; j < partitionCount; j++ {
+ partition, err := pd.getInt32()
+ if err != nil {
+ return err
+ }
+ block := &offsetRequestBlock{}
+ if err := block.decode(pd, version); err != nil {
+ return err
+ }
+ r.blocks[topic][partition] = block
+ }
+ }
+ return nil
+}
+
+func (r *OffsetRequest) key() int16 {
+ return 2
+}
+
+func (r *OffsetRequest) version() int16 {
+ return r.Version
+}
+
+func (r *OffsetRequest) requiredVersion() KafkaVersion {
+ switch r.Version {
+ case 1:
+ return V0_10_1_0
+ default:
+ return MinVersion
+ }
+}
+
+func (r *OffsetRequest) SetReplicaID(id int32) {
+ r.replicaID = id
+ r.isReplicaIDSet = true
+}
+
+func (r *OffsetRequest) ReplicaID() int32 {
+ if r.isReplicaIDSet {
+ return r.replicaID
+ }
+ return -1
+}
+
+func (r *OffsetRequest) AddBlock(topic string, partitionID int32, time int64, maxOffsets int32) {
+ if r.blocks == nil {
+ r.blocks = make(map[string]map[int32]*offsetRequestBlock)
+ }
+
+ if r.blocks[topic] == nil {
+ r.blocks[topic] = make(map[int32]*offsetRequestBlock)
+ }
+
+ tmp := new(offsetRequestBlock)
+ tmp.time = time
+ if r.Version == 0 {
+ tmp.maxOffsets = maxOffsets
+ }
+
+ r.blocks[topic][partitionID] = tmp
+}