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