[VOL-4291] Rw-core updates for gRPC migration
Change-Id: I8d5a554409115b29318089671ca4e1ab3fa98810
diff --git a/vendor/github.com/Shopify/sarama/sticky_assignor_user_data.go b/vendor/github.com/Shopify/sarama/sticky_assignor_user_data.go
new file mode 100644
index 0000000..161233f
--- /dev/null
+++ b/vendor/github.com/Shopify/sarama/sticky_assignor_user_data.go
@@ -0,0 +1,124 @@
+package sarama
+
+type topicPartitionAssignment struct {
+ Topic string
+ Partition int32
+}
+
+type StickyAssignorUserData interface {
+ partitions() []topicPartitionAssignment
+ hasGeneration() bool
+ generation() int
+}
+
+// StickyAssignorUserDataV0 holds topic partition information for an assignment
+type StickyAssignorUserDataV0 struct {
+ Topics map[string][]int32
+
+ topicPartitions []topicPartitionAssignment
+}
+
+func (m *StickyAssignorUserDataV0) encode(pe packetEncoder) error {
+ if err := pe.putArrayLength(len(m.Topics)); err != nil {
+ return err
+ }
+
+ for topic, partitions := range m.Topics {
+ if err := pe.putString(topic); err != nil {
+ return err
+ }
+ if err := pe.putInt32Array(partitions); err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+func (m *StickyAssignorUserDataV0) decode(pd packetDecoder) (err error) {
+ var topicLen int
+ if topicLen, err = pd.getArrayLength(); err != nil {
+ return
+ }
+
+ m.Topics = make(map[string][]int32, topicLen)
+ for i := 0; i < topicLen; i++ {
+ var topic string
+ if topic, err = pd.getString(); err != nil {
+ return
+ }
+ if m.Topics[topic], err = pd.getInt32Array(); err != nil {
+ return
+ }
+ }
+ m.topicPartitions = populateTopicPartitions(m.Topics)
+ return nil
+}
+
+func (m *StickyAssignorUserDataV0) partitions() []topicPartitionAssignment { return m.topicPartitions }
+func (m *StickyAssignorUserDataV0) hasGeneration() bool { return false }
+func (m *StickyAssignorUserDataV0) generation() int { return defaultGeneration }
+
+// StickyAssignorUserDataV1 holds topic partition information for an assignment
+type StickyAssignorUserDataV1 struct {
+ Topics map[string][]int32
+ Generation int32
+
+ topicPartitions []topicPartitionAssignment
+}
+
+func (m *StickyAssignorUserDataV1) encode(pe packetEncoder) error {
+ if err := pe.putArrayLength(len(m.Topics)); err != nil {
+ return err
+ }
+
+ for topic, partitions := range m.Topics {
+ if err := pe.putString(topic); err != nil {
+ return err
+ }
+ if err := pe.putInt32Array(partitions); err != nil {
+ return err
+ }
+ }
+
+ pe.putInt32(m.Generation)
+ return nil
+}
+
+func (m *StickyAssignorUserDataV1) decode(pd packetDecoder) (err error) {
+ var topicLen int
+ if topicLen, err = pd.getArrayLength(); err != nil {
+ return
+ }
+
+ m.Topics = make(map[string][]int32, topicLen)
+ for i := 0; i < topicLen; i++ {
+ var topic string
+ if topic, err = pd.getString(); err != nil {
+ return
+ }
+ if m.Topics[topic], err = pd.getInt32Array(); err != nil {
+ return
+ }
+ }
+
+ m.Generation, err = pd.getInt32()
+ if err != nil {
+ return err
+ }
+ m.topicPartitions = populateTopicPartitions(m.Topics)
+ return nil
+}
+
+func (m *StickyAssignorUserDataV1) partitions() []topicPartitionAssignment { return m.topicPartitions }
+func (m *StickyAssignorUserDataV1) hasGeneration() bool { return true }
+func (m *StickyAssignorUserDataV1) generation() int { return int(m.Generation) }
+
+func populateTopicPartitions(topics map[string][]int32) []topicPartitionAssignment {
+ topicPartitions := make([]topicPartitionAssignment, 0)
+ for topic, partitions := range topics {
+ for _, partition := range partitions {
+ topicPartitions = append(topicPartitions, topicPartitionAssignment{Topic: topic, Partition: partition})
+ }
+ }
+ return topicPartitions
+}