[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/prep_encoder.go b/vendor/github.com/Shopify/sarama/prep_encoder.go
new file mode 100644
index 0000000..b633cd1
--- /dev/null
+++ b/vendor/github.com/Shopify/sarama/prep_encoder.go
@@ -0,0 +1,153 @@
+package sarama
+
+import (
+ "encoding/binary"
+ "fmt"
+ "math"
+
+ "github.com/rcrowley/go-metrics"
+)
+
+type prepEncoder struct {
+ stack []pushEncoder
+ length int
+}
+
+// primitives
+
+func (pe *prepEncoder) putInt8(in int8) {
+ pe.length++
+}
+
+func (pe *prepEncoder) putInt16(in int16) {
+ pe.length += 2
+}
+
+func (pe *prepEncoder) putInt32(in int32) {
+ pe.length += 4
+}
+
+func (pe *prepEncoder) putInt64(in int64) {
+ pe.length += 8
+}
+
+func (pe *prepEncoder) putVarint(in int64) {
+ var buf [binary.MaxVarintLen64]byte
+ pe.length += binary.PutVarint(buf[:], in)
+}
+
+func (pe *prepEncoder) putArrayLength(in int) error {
+ if in > math.MaxInt32 {
+ return PacketEncodingError{fmt.Sprintf("array too long (%d)", in)}
+ }
+ pe.length += 4
+ return nil
+}
+
+func (pe *prepEncoder) putBool(in bool) {
+ pe.length++
+}
+
+// arrays
+
+func (pe *prepEncoder) putBytes(in []byte) error {
+ pe.length += 4
+ if in == nil {
+ return nil
+ }
+ return pe.putRawBytes(in)
+}
+
+func (pe *prepEncoder) putVarintBytes(in []byte) error {
+ if in == nil {
+ pe.putVarint(-1)
+ return nil
+ }
+ pe.putVarint(int64(len(in)))
+ return pe.putRawBytes(in)
+}
+
+func (pe *prepEncoder) putRawBytes(in []byte) error {
+ if len(in) > math.MaxInt32 {
+ return PacketEncodingError{fmt.Sprintf("byteslice too long (%d)", len(in))}
+ }
+ pe.length += len(in)
+ return nil
+}
+
+func (pe *prepEncoder) putNullableString(in *string) error {
+ if in == nil {
+ pe.length += 2
+ return nil
+ }
+ return pe.putString(*in)
+}
+
+func (pe *prepEncoder) putString(in string) error {
+ pe.length += 2
+ if len(in) > math.MaxInt16 {
+ return PacketEncodingError{fmt.Sprintf("string too long (%d)", len(in))}
+ }
+ pe.length += len(in)
+ return nil
+}
+
+func (pe *prepEncoder) putStringArray(in []string) error {
+ err := pe.putArrayLength(len(in))
+ if err != nil {
+ return err
+ }
+
+ for _, str := range in {
+ if err := pe.putString(str); err != nil {
+ return err
+ }
+ }
+
+ return nil
+}
+
+func (pe *prepEncoder) putInt32Array(in []int32) error {
+ err := pe.putArrayLength(len(in))
+ if err != nil {
+ return err
+ }
+ pe.length += 4 * len(in)
+ return nil
+}
+
+func (pe *prepEncoder) putInt64Array(in []int64) error {
+ err := pe.putArrayLength(len(in))
+ if err != nil {
+ return err
+ }
+ pe.length += 8 * len(in)
+ return nil
+}
+
+func (pe *prepEncoder) offset() int {
+ return pe.length
+}
+
+// stackable
+
+func (pe *prepEncoder) push(in pushEncoder) {
+ in.saveOffset(pe.length)
+ pe.length += in.reserveLength()
+ pe.stack = append(pe.stack, in)
+}
+
+func (pe *prepEncoder) pop() error {
+ in := pe.stack[len(pe.stack)-1]
+ pe.stack = pe.stack[:len(pe.stack)-1]
+ if dpe, ok := in.(dynamicPushEncoder); ok {
+ pe.length += dpe.adjustLength(pe.length)
+ }
+
+ return nil
+}
+
+// we do not record metrics during the prep encoder pass
+func (pe *prepEncoder) metricRegistry() metrics.Registry {
+ return nil
+}