[VOL-1386] This commit add "dep" as the package management tool
for voltha-go.
Change-Id: I52bc4911dd00a441756ec7c30f46d45091f3f90e
diff --git a/vendor/github.com/Shopify/sarama/encoder_decoder.go b/vendor/github.com/Shopify/sarama/encoder_decoder.go
new file mode 100644
index 0000000..7ce3bc0
--- /dev/null
+++ b/vendor/github.com/Shopify/sarama/encoder_decoder.go
@@ -0,0 +1,89 @@
+package sarama
+
+import (
+ "fmt"
+
+ "github.com/rcrowley/go-metrics"
+)
+
+// Encoder is the interface that wraps the basic Encode method.
+// Anything implementing Encoder can be turned into bytes using Kafka's encoding rules.
+type encoder interface {
+ encode(pe packetEncoder) error
+}
+
+// Encode takes an Encoder and turns it into bytes while potentially recording metrics.
+func encode(e encoder, metricRegistry metrics.Registry) ([]byte, error) {
+ if e == nil {
+ return nil, nil
+ }
+
+ var prepEnc prepEncoder
+ var realEnc realEncoder
+
+ err := e.encode(&prepEnc)
+ if err != nil {
+ return nil, err
+ }
+
+ if prepEnc.length < 0 || prepEnc.length > int(MaxRequestSize) {
+ return nil, PacketEncodingError{fmt.Sprintf("invalid request size (%d)", prepEnc.length)}
+ }
+
+ realEnc.raw = make([]byte, prepEnc.length)
+ realEnc.registry = metricRegistry
+ err = e.encode(&realEnc)
+ if err != nil {
+ return nil, err
+ }
+
+ return realEnc.raw, nil
+}
+
+// Decoder is the interface that wraps the basic Decode method.
+// Anything implementing Decoder can be extracted from bytes using Kafka's encoding rules.
+type decoder interface {
+ decode(pd packetDecoder) error
+}
+
+type versionedDecoder interface {
+ decode(pd packetDecoder, version int16) error
+}
+
+// Decode takes bytes and a Decoder and fills the fields of the decoder from the bytes,
+// interpreted using Kafka's encoding rules.
+func decode(buf []byte, in decoder) error {
+ if buf == nil {
+ return nil
+ }
+
+ helper := realDecoder{raw: buf}
+ err := in.decode(&helper)
+ if err != nil {
+ return err
+ }
+
+ if helper.off != len(buf) {
+ return PacketDecodingError{"invalid length"}
+ }
+
+ return nil
+}
+
+func versionedDecode(buf []byte, in versionedDecoder, version int16) error {
+ if buf == nil {
+ return nil
+ }
+
+ helper := realDecoder{raw: buf}
+ err := in.decode(&helper, version)
+ if err != nil {
+ return err
+ }
+
+ if helper.off != len(buf) {
+ return PacketDecodingError{"invalid length"}
+ }
+
+ return nil
+}