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|
package sarama
type ListGroupsResponse struct {
Version int16
ThrottleTime int32
Err KError
Groups map[string]string
GroupsData map[string]GroupData // version 4 or later
}
type GroupData struct {
GroupState string // version 4 or later
}
func (r *ListGroupsResponse) encode(pe packetEncoder) error {
if r.Version >= 1 {
pe.putInt32(r.ThrottleTime)
}
pe.putInt16(int16(r.Err))
if r.Version <= 2 {
if err := pe.putArrayLength(len(r.Groups)); err != nil {
return err
}
for groupId, protocolType := range r.Groups {
if err := pe.putString(groupId); err != nil {
return err
}
if err := pe.putString(protocolType); err != nil {
return err
}
}
} else {
pe.putCompactArrayLength(len(r.Groups))
for groupId, protocolType := range r.Groups {
if err := pe.putCompactString(groupId); err != nil {
return err
}
if err := pe.putCompactString(protocolType); err != nil {
return err
}
if r.Version >= 4 {
groupData := r.GroupsData[groupId]
if err := pe.putCompactString(groupData.GroupState); err != nil {
return err
}
}
}
}
return nil
}
func (r *ListGroupsResponse) decode(pd packetDecoder, version int16) error {
r.Version = version
if r.Version >= 1 {
var err error
if r.ThrottleTime, err = pd.getInt32(); err != nil {
return err
}
}
kerr, err := pd.getInt16()
if err != nil {
return err
}
r.Err = KError(kerr)
var n int
if r.Version <= 2 {
n, err = pd.getArrayLength()
} else {
n, err = pd.getCompactArrayLength()
}
if err != nil {
return err
}
for i := 0; i < n; i++ {
if i == 0 {
r.Groups = make(map[string]string)
if r.Version >= 4 {
r.GroupsData = make(map[string]GroupData)
}
}
var groupId, protocolType string
if r.Version <= 2 {
groupId, err = pd.getString()
if err != nil {
return err
}
protocolType, err = pd.getString()
if err != nil {
return err
}
} else {
groupId, err = pd.getCompactString()
if err != nil {
return err
}
protocolType, err = pd.getCompactString()
if err != nil {
return err
}
}
r.Groups[groupId] = protocolType
if r.Version >= 4 {
groupState, err := pd.getCompactString()
if err != nil {
return err
}
r.GroupsData[groupId] = GroupData{
GroupState: groupState,
}
}
if r.Version >= 3 {
if _, err = pd.getEmptyTaggedFieldArray(); err != nil {
return err
}
}
}
if r.Version >= 3 {
if _, err = pd.getEmptyTaggedFieldArray(); err != nil {
return err
}
}
return nil
}
func (r *ListGroupsResponse) key() int16 {
return 16
}
func (r *ListGroupsResponse) version() int16 {
return r.Version
}
func (r *ListGroupsResponse) headerVersion() int16 {
if r.Version >= 3 {
return 1
}
return 0
}
func (r *ListGroupsResponse) isValidVersion() bool {
return r.Version >= 0 && r.Version <= 4
}
func (r *ListGroupsResponse) requiredVersion() KafkaVersion {
switch r.Version {
case 4:
return V2_6_0_0
case 3:
return V2_4_0_0
case 2:
return V2_0_0_0
case 1:
return V0_11_0_0
case 0:
return V0_9_0_0
default:
return V2_6_0_0
}
}
|
