VOL-1967 move api-server to separate repository
Change-Id: I21b85be74205805be15f8a85e53a903d16785671
diff --git a/vendor/github.com/Shopify/sarama/control_record.go b/vendor/github.com/Shopify/sarama/control_record.go
new file mode 100644
index 0000000..9b75ab5
--- /dev/null
+++ b/vendor/github.com/Shopify/sarama/control_record.go
@@ -0,0 +1,72 @@
+package sarama
+
+//ControlRecordType ...
+type ControlRecordType int
+
+const (
+ //ControlRecordAbort is a control record for abort
+ ControlRecordAbort ControlRecordType = iota
+ //ControlRecordCommit is a control record for commit
+ ControlRecordCommit
+ //ControlRecordUnknown is a control record of unknown type
+ ControlRecordUnknown
+)
+
+// Control records are returned as a record by fetchRequest
+// However unlike "normal" records, they mean nothing application wise.
+// They only serve internal logic for supporting transactions.
+type ControlRecord struct {
+ Version int16
+ CoordinatorEpoch int32
+ Type ControlRecordType
+}
+
+func (cr *ControlRecord) decode(key, value packetDecoder) error {
+ var err error
+ cr.Version, err = value.getInt16()
+ if err != nil {
+ return err
+ }
+
+ cr.CoordinatorEpoch, err = value.getInt32()
+ if err != nil {
+ return err
+ }
+
+ // There a version for the value part AND the key part. And I have no idea if they are supposed to match or not
+ // Either way, all these version can only be 0 for now
+ cr.Version, err = key.getInt16()
+ if err != nil {
+ return err
+ }
+
+ recordType, err := key.getInt16()
+ if err != nil {
+ return err
+ }
+
+ switch recordType {
+ case 0:
+ cr.Type = ControlRecordAbort
+ case 1:
+ cr.Type = ControlRecordCommit
+ default:
+ // from JAVA implementation:
+ // UNKNOWN is used to indicate a control type which the client is not aware of and should be ignored
+ cr.Type = ControlRecordUnknown
+ }
+ return nil
+}
+
+func (cr *ControlRecord) encode(key, value packetEncoder) {
+ value.putInt16(cr.Version)
+ value.putInt32(cr.CoordinatorEpoch)
+ key.putInt16(cr.Version)
+
+ switch cr.Type {
+ case ControlRecordAbort:
+ key.putInt16(0)
+ case ControlRecordCommit:
+ key.putInt16(1)
+ }
+}