add dep management

vendor/github.com/segmentio/kafka-go/fetch.go

@@ -0,0 +1,101 @@
+package kafka
+
+import "bufio"
+
+type fetchRequestV2 struct {
+	ReplicaID   int32
+	MaxWaitTime int32
+	MinBytes    int32
+	Topics      []fetchRequestTopicV2
+}
+
+func (r fetchRequestV2) size() int32 {
+	return 4 + 4 + 4 + sizeofArray(len(r.Topics), func(i int) int32 { return r.Topics[i].size() })
+}
+
+func (r fetchRequestV2) writeTo(w *bufio.Writer) {
+	writeInt32(w, r.ReplicaID)
+	writeInt32(w, r.MaxWaitTime)
+	writeInt32(w, r.MinBytes)
+	writeArray(w, len(r.Topics), func(i int) { r.Topics[i].writeTo(w) })
+}
+
+type fetchRequestTopicV2 struct {
+	TopicName  string
+	Partitions []fetchRequestPartitionV2
+}
+
+func (t fetchRequestTopicV2) size() int32 {
+	return sizeofString(t.TopicName) +
+		sizeofArray(len(t.Partitions), func(i int) int32 { return t.Partitions[i].size() })
+}
+
+func (t fetchRequestTopicV2) writeTo(w *bufio.Writer) {
+	writeString(w, t.TopicName)
+	writeArray(w, len(t.Partitions), func(i int) { t.Partitions[i].writeTo(w) })
+}
+
+type fetchRequestPartitionV2 struct {
+	Partition   int32
+	FetchOffset int64
+	MaxBytes    int32
+}
+
+func (p fetchRequestPartitionV2) size() int32 {
+	return 4 + 8 + 4
+}
+
+func (p fetchRequestPartitionV2) writeTo(w *bufio.Writer) {
+	writeInt32(w, p.Partition)
+	writeInt64(w, p.FetchOffset)
+	writeInt32(w, p.MaxBytes)
+}
+
+type fetchResponseV2 struct {
+	ThrottleTime int32
+	Topics       []fetchResponseTopicV2
+}
+
+func (r fetchResponseV2) size() int32 {
+	return 4 + sizeofArray(len(r.Topics), func(i int) int32 { return r.Topics[i].size() })
+}
+
+func (r fetchResponseV2) writeTo(w *bufio.Writer) {
+	writeInt32(w, r.ThrottleTime)
+	writeArray(w, len(r.Topics), func(i int) { r.Topics[i].writeTo(w) })
+}
+
+type fetchResponseTopicV2 struct {
+	TopicName  string
+	Partitions []fetchResponsePartitionV2
+}
+
+func (t fetchResponseTopicV2) size() int32 {
+	return sizeofString(t.TopicName) +
+		sizeofArray(len(t.Partitions), func(i int) int32 { return t.Partitions[i].size() })
+}
+
+func (t fetchResponseTopicV2) writeTo(w *bufio.Writer) {
+	writeString(w, t.TopicName)
+	writeArray(w, len(t.Partitions), func(i int) { t.Partitions[i].writeTo(w) })
+}
+
+type fetchResponsePartitionV2 struct {
+	Partition           int32
+	ErrorCode           int16
+	HighwaterMarkOffset int64
+	MessageSetSize      int32
+	MessageSet          messageSet
+}
+
+func (p fetchResponsePartitionV2) size() int32 {
+	return 4 + 2 + 8 + 4 + p.MessageSet.size()
+}
+
+func (p fetchResponsePartitionV2) writeTo(w *bufio.Writer) {
+	writeInt32(w, p.Partition)
+	writeInt16(w, p.ErrorCode)
+	writeInt64(w, p.HighwaterMarkOffset)
+	writeInt32(w, p.MessageSetSize)
+	p.MessageSet.writeTo(w)
+}