William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 1 | package sarama |
| 2 | |
| 3 | import ( |
| 4 | "time" |
| 5 | ) |
| 6 | |
| 7 | var NoNode = &Broker{id: -1, addr: ":-1"} |
| 8 | |
| 9 | type FindCoordinatorResponse struct { |
| 10 | Version int16 |
| 11 | ThrottleTime time.Duration |
| 12 | Err KError |
| 13 | ErrMsg *string |
| 14 | Coordinator *Broker |
| 15 | } |
| 16 | |
| 17 | func (f *FindCoordinatorResponse) decode(pd packetDecoder, version int16) (err error) { |
| 18 | if version >= 1 { |
| 19 | f.Version = version |
| 20 | |
| 21 | throttleTime, err := pd.getInt32() |
| 22 | if err != nil { |
| 23 | return err |
| 24 | } |
| 25 | f.ThrottleTime = time.Duration(throttleTime) * time.Millisecond |
| 26 | } |
| 27 | |
| 28 | tmp, err := pd.getInt16() |
| 29 | if err != nil { |
| 30 | return err |
| 31 | } |
| 32 | f.Err = KError(tmp) |
| 33 | |
| 34 | if version >= 1 { |
| 35 | if f.ErrMsg, err = pd.getNullableString(); err != nil { |
| 36 | return err |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | coordinator := new(Broker) |
| 41 | // The version is hardcoded to 0, as version 1 of the Broker-decode |
| 42 | // contains the rack-field which is not present in the FindCoordinatorResponse. |
| 43 | if err := coordinator.decode(pd, 0); err != nil { |
| 44 | return err |
| 45 | } |
| 46 | if coordinator.addr == ":0" { |
| 47 | return nil |
| 48 | } |
| 49 | f.Coordinator = coordinator |
| 50 | |
| 51 | return nil |
| 52 | } |
| 53 | |
| 54 | func (f *FindCoordinatorResponse) encode(pe packetEncoder) error { |
| 55 | if f.Version >= 1 { |
| 56 | pe.putInt32(int32(f.ThrottleTime / time.Millisecond)) |
| 57 | } |
| 58 | |
| 59 | pe.putInt16(int16(f.Err)) |
| 60 | |
| 61 | if f.Version >= 1 { |
| 62 | if err := pe.putNullableString(f.ErrMsg); err != nil { |
| 63 | return err |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | coordinator := f.Coordinator |
| 68 | if coordinator == nil { |
| 69 | coordinator = NoNode |
| 70 | } |
| 71 | if err := coordinator.encode(pe, 0); err != nil { |
| 72 | return err |
| 73 | } |
| 74 | return nil |
| 75 | } |
| 76 | |
| 77 | func (f *FindCoordinatorResponse) key() int16 { |
| 78 | return 10 |
| 79 | } |
| 80 | |
| 81 | func (f *FindCoordinatorResponse) version() int16 { |
| 82 | return f.Version |
| 83 | } |
| 84 | |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 85 | func (r *FindCoordinatorResponse) headerVersion() int16 { |
| 86 | return 0 |
| 87 | } |
| 88 | |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 89 | func (f *FindCoordinatorResponse) requiredVersion() KafkaVersion { |
| 90 | switch f.Version { |
| 91 | case 1: |
| 92 | return V0_11_0_0 |
| 93 | default: |
| 94 | return V0_8_2_0 |
| 95 | } |
| 96 | } |