[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/packet_decoder.go b/vendor/github.com/Shopify/sarama/packet_decoder.go
new file mode 100644
index 0000000..74805cc
--- /dev/null
+++ b/vendor/github.com/Shopify/sarama/packet_decoder.go
@@ -0,0 +1,60 @@
+package sarama
+
+// PacketDecoder is the interface providing helpers for reading with Kafka's encoding rules.
+// Types implementing Decoder only need to worry about calling methods like GetString,
+// not about how a string is represented in Kafka.
+type packetDecoder interface {
+ // Primitives
+ getInt8() (int8, error)
+ getInt16() (int16, error)
+ getInt32() (int32, error)
+ getInt64() (int64, error)
+ getVarint() (int64, error)
+ getArrayLength() (int, error)
+ getBool() (bool, error)
+
+ // Collections
+ getBytes() ([]byte, error)
+ getVarintBytes() ([]byte, error)
+ getRawBytes(length int) ([]byte, error)
+ getString() (string, error)
+ getNullableString() (*string, error)
+ getInt32Array() ([]int32, error)
+ getInt64Array() ([]int64, error)
+ getStringArray() ([]string, error)
+
+ // Subsets
+ remaining() int
+ getSubset(length int) (packetDecoder, error)
+ peek(offset, length int) (packetDecoder, error) // similar to getSubset, but it doesn't advance the offset
+
+ // Stacks, see PushDecoder
+ push(in pushDecoder) error
+ pop() error
+}
+
+// PushDecoder is the interface for decoding fields like CRCs and lengths where the validity
+// of the field depends on what is after it in the packet. Start them with PacketDecoder.Push() where
+// the actual value is located in the packet, then PacketDecoder.Pop() them when all the bytes they
+// depend upon have been decoded.
+type pushDecoder interface {
+ // Saves the offset into the input buffer as the location to actually read the calculated value when able.
+ saveOffset(in int)
+
+ // Returns the length of data to reserve for the input of this encoder (eg 4 bytes for a CRC32).
+ reserveLength() int
+
+ // Indicates that all required data is now available to calculate and check the field.
+ // SaveOffset is guaranteed to have been called first. The implementation should read ReserveLength() bytes
+ // of data from the saved offset, and verify it based on the data between the saved offset and curOffset.
+ check(curOffset int, buf []byte) error
+}
+
+// dynamicPushDecoder extends the interface of pushDecoder for uses cases where the length of the
+// fields itself is unknown until its value was decoded (for instance varint encoded length
+// fields).
+// During push, dynamicPushDecoder.decode() method will be called instead of reserveLength()
+type dynamicPushDecoder interface {
+ pushDecoder
+ decoder
+}