[VOL-1386] This commit add "dep" as the package management tool
for voltha-go.
Change-Id: I52bc4911dd00a441756ec7c30f46d45091f3f90e
diff --git a/vendor/gopkg.in/Shopify/sarama.v1/fetch_request.go b/vendor/gopkg.in/Shopify/sarama.v1/fetch_request.go
new file mode 100644
index 0000000..462ab8a
--- /dev/null
+++ b/vendor/gopkg.in/Shopify/sarama.v1/fetch_request.go
@@ -0,0 +1,170 @@
+package sarama
+
+type fetchRequestBlock struct {
+ fetchOffset int64
+ maxBytes int32
+}
+
+func (b *fetchRequestBlock) encode(pe packetEncoder) error {
+ pe.putInt64(b.fetchOffset)
+ pe.putInt32(b.maxBytes)
+ return nil
+}
+
+func (b *fetchRequestBlock) decode(pd packetDecoder) (err error) {
+ if b.fetchOffset, err = pd.getInt64(); err != nil {
+ return err
+ }
+ if b.maxBytes, err = pd.getInt32(); err != nil {
+ return err
+ }
+ return nil
+}
+
+// FetchRequest (API key 1) will fetch Kafka messages. Version 3 introduced the MaxBytes field. See
+// https://issues.apache.org/jira/browse/KAFKA-2063 for a discussion of the issues leading up to that. The KIP is at
+// https://cwiki.apache.org/confluence/display/KAFKA/KIP-74%3A+Add+Fetch+Response+Size+Limit+in+Bytes
+type FetchRequest struct {
+ MaxWaitTime int32
+ MinBytes int32
+ MaxBytes int32
+ Version int16
+ Isolation IsolationLevel
+ blocks map[string]map[int32]*fetchRequestBlock
+}
+
+type IsolationLevel int8
+
+const (
+ ReadUncommitted IsolationLevel = 0
+ ReadCommitted IsolationLevel = 1
+)
+
+func (r *FetchRequest) encode(pe packetEncoder) (err error) {
+ pe.putInt32(-1) // replica ID is always -1 for clients
+ pe.putInt32(r.MaxWaitTime)
+ pe.putInt32(r.MinBytes)
+ if r.Version >= 3 {
+ pe.putInt32(r.MaxBytes)
+ }
+ if r.Version >= 4 {
+ pe.putInt8(int8(r.Isolation))
+ }
+ err = pe.putArrayLength(len(r.blocks))
+ if err != nil {
+ return err
+ }
+ for topic, blocks := range r.blocks {
+ err = pe.putString(topic)
+ if err != nil {
+ return err
+ }
+ err = pe.putArrayLength(len(blocks))
+ if err != nil {
+ return err
+ }
+ for partition, block := range blocks {
+ pe.putInt32(partition)
+ err = block.encode(pe)
+ if err != nil {
+ return err
+ }
+ }
+ }
+ return nil
+}
+
+func (r *FetchRequest) decode(pd packetDecoder, version int16) (err error) {
+ r.Version = version
+ if _, err = pd.getInt32(); err != nil {
+ return err
+ }
+ if r.MaxWaitTime, err = pd.getInt32(); err != nil {
+ return err
+ }
+ if r.MinBytes, err = pd.getInt32(); err != nil {
+ return err
+ }
+ if r.Version >= 3 {
+ if r.MaxBytes, err = pd.getInt32(); err != nil {
+ return err
+ }
+ }
+ if r.Version >= 4 {
+ isolation, err := pd.getInt8()
+ if err != nil {
+ return err
+ }
+ r.Isolation = IsolationLevel(isolation)
+ }
+ topicCount, err := pd.getArrayLength()
+ if err != nil {
+ return err
+ }
+ if topicCount == 0 {
+ return nil
+ }
+ r.blocks = make(map[string]map[int32]*fetchRequestBlock)
+ for i := 0; i < topicCount; 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]*fetchRequestBlock)
+ for j := 0; j < partitionCount; j++ {
+ partition, err := pd.getInt32()
+ if err != nil {
+ return err
+ }
+ fetchBlock := &fetchRequestBlock{}
+ if err = fetchBlock.decode(pd); err != nil {
+ return err
+ }
+ r.blocks[topic][partition] = fetchBlock
+ }
+ }
+ return nil
+}
+
+func (r *FetchRequest) key() int16 {
+ return 1
+}
+
+func (r *FetchRequest) version() int16 {
+ return r.Version
+}
+
+func (r *FetchRequest) requiredVersion() KafkaVersion {
+ switch r.Version {
+ case 1:
+ return V0_9_0_0
+ case 2:
+ return V0_10_0_0
+ case 3:
+ return V0_10_1_0
+ case 4:
+ return V0_11_0_0
+ default:
+ return MinVersion
+ }
+}
+
+func (r *FetchRequest) AddBlock(topic string, partitionID int32, fetchOffset int64, maxBytes int32) {
+ if r.blocks == nil {
+ r.blocks = make(map[string]map[int32]*fetchRequestBlock)
+ }
+
+ if r.blocks[topic] == nil {
+ r.blocks[topic] = make(map[int32]*fetchRequestBlock)
+ }
+
+ tmp := new(fetchRequestBlock)
+ tmp.maxBytes = maxBytes
+ tmp.fetchOffset = fetchOffset
+
+ r.blocks[topic][partitionID] = tmp
+}