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package kafka
import "bufio"
type topicMetadataRequestV1 []string
func (r topicMetadataRequestV1) size() int32 {
return sizeofStringArray([]string(r))
}
func (r topicMetadataRequestV1) writeTo(w *bufio.Writer) {
writeStringArray(w, []string(r))
}
type metadataResponseV1 struct {
Brokers []brokerMetadataV1
ControllerID int32
Topics []topicMetadataV1
}
func (r metadataResponseV1) size() int32 {
n1 := sizeofArray(len(r.Brokers), func(i int) int32 { return r.Brokers[i].size() })
n2 := sizeofArray(len(r.Topics), func(i int) int32 { return r.Topics[i].size() })
return 4 + n1 + n2
}
func (r metadataResponseV1) writeTo(w *bufio.Writer) {
writeArray(w, len(r.Brokers), func(i int) { r.Brokers[i].writeTo(w) })
writeInt32(w, r.ControllerID)
writeArray(w, len(r.Topics), func(i int) { r.Topics[i].writeTo(w) })
}
type brokerMetadataV1 struct {
NodeID int32
Host string
Port int32
Rack string
}
func (b brokerMetadataV1) size() int32 {
return 4 + 4 + sizeofString(b.Host) + sizeofString(b.Rack)
}
func (b brokerMetadataV1) writeTo(w *bufio.Writer) {
writeInt32(w, b.NodeID)
writeString(w, b.Host)
writeInt32(w, b.Port)
writeString(w, b.Rack)
}
type topicMetadataV1 struct {
TopicErrorCode int16
TopicName string
Internal bool
Partitions []partitionMetadataV1
}
func (t topicMetadataV1) size() int32 {
return 2 + 1 +
sizeofString(t.TopicName) +
sizeofArray(len(t.Partitions), func(i int) int32 { return t.Partitions[i].size() })
}
func (t topicMetadataV1) writeTo(w *bufio.Writer) {
writeInt16(w, t.TopicErrorCode)
writeString(w, t.TopicName)
writeBool(w, t.Internal)
writeArray(w, len(t.Partitions), func(i int) { t.Partitions[i].writeTo(w) })
}
type partitionMetadataV1 struct {
PartitionErrorCode int16
PartitionID int32
Leader int32
Replicas []int32
Isr []int32
}
func (p partitionMetadataV1) size() int32 {
return 2 + 4 + 4 + sizeofInt32Array(p.Replicas) + sizeofInt32Array(p.Isr)
}
func (p partitionMetadataV1) writeTo(w *bufio.Writer) {
writeInt16(w, p.PartitionErrorCode)
writeInt32(w, p.PartitionID)
writeInt32(w, p.Leader)
writeInt32Array(w, p.Replicas)
writeInt32Array(w, p.Isr)
}
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