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package sarama
import (
"time"
)
var NoNode = &Broker{id: -1, addr: ":-1"}
type FindCoordinatorResponse struct {
Version int16
ThrottleTime time.Duration
Err KError
ErrMsg *string
Coordinator *Broker
}
func (f *FindCoordinatorResponse) decode(pd packetDecoder, version int16) (err error) {
if version >= 1 {
f.Version = version
throttleTime, err := pd.getInt32()
if err != nil {
return err
}
f.ThrottleTime = time.Duration(throttleTime) * time.Millisecond
}
tmp, err := pd.getInt16()
if err != nil {
return err
}
f.Err = KError(tmp)
if version >= 1 {
if f.ErrMsg, err = pd.getNullableString(); err != nil {
return err
}
}
coordinator := new(Broker)
// The version is hardcoded to 0, as version 1 of the Broker-decode
// contains the rack-field which is not present in the FindCoordinatorResponse.
if err := coordinator.decode(pd, 0); err != nil {
return err
}
if coordinator.addr == ":0" {
return nil
}
f.Coordinator = coordinator
return nil
}
func (f *FindCoordinatorResponse) encode(pe packetEncoder) error {
if f.Version >= 1 {
pe.putInt32(int32(f.ThrottleTime / time.Millisecond))
}
pe.putInt16(int16(f.Err))
if f.Version >= 1 {
if err := pe.putNullableString(f.ErrMsg); err != nil {
return err
}
}
coordinator := f.Coordinator
if coordinator == nil {
coordinator = NoNode
}
if err := coordinator.encode(pe, 0); err != nil {
return err
}
return nil
}
func (f *FindCoordinatorResponse) key() int16 {
return 10
}
func (f *FindCoordinatorResponse) version() int16 {
return f.Version
}
func (f *FindCoordinatorResponse) requiredVersion() KafkaVersion {
switch f.Version {
case 1:
return V0_11_0_0
default:
return V0_8_2_0
}
}
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