| William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame^] | 1 | package sarama |
| 2 | |
| 3 | type JoinGroupResponse struct { |
| 4 | Version int16 |
| 5 | ThrottleTime int32 |
| 6 | Err KError |
| 7 | GenerationId int32 |
| 8 | GroupProtocol string |
| 9 | LeaderId string |
| 10 | MemberId string |
| 11 | Members map[string][]byte |
| 12 | } |
| 13 | |
| 14 | func (r *JoinGroupResponse) GetMembers() (map[string]ConsumerGroupMemberMetadata, error) { |
| 15 | members := make(map[string]ConsumerGroupMemberMetadata, len(r.Members)) |
| 16 | for id, bin := range r.Members { |
| 17 | meta := new(ConsumerGroupMemberMetadata) |
| 18 | if err := decode(bin, meta); err != nil { |
| 19 | return nil, err |
| 20 | } |
| 21 | members[id] = *meta |
| 22 | } |
| 23 | return members, nil |
| 24 | } |
| 25 | |
| 26 | func (r *JoinGroupResponse) encode(pe packetEncoder) error { |
| 27 | if r.Version >= 2 { |
| 28 | pe.putInt32(r.ThrottleTime) |
| 29 | } |
| 30 | pe.putInt16(int16(r.Err)) |
| 31 | pe.putInt32(r.GenerationId) |
| 32 | |
| 33 | if err := pe.putString(r.GroupProtocol); err != nil { |
| 34 | return err |
| 35 | } |
| 36 | if err := pe.putString(r.LeaderId); err != nil { |
| 37 | return err |
| 38 | } |
| 39 | if err := pe.putString(r.MemberId); err != nil { |
| 40 | return err |
| 41 | } |
| 42 | |
| 43 | if err := pe.putArrayLength(len(r.Members)); err != nil { |
| 44 | return err |
| 45 | } |
| 46 | |
| 47 | for memberId, memberMetadata := range r.Members { |
| 48 | if err := pe.putString(memberId); err != nil { |
| 49 | return err |
| 50 | } |
| 51 | |
| 52 | if err := pe.putBytes(memberMetadata); err != nil { |
| 53 | return err |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | return nil |
| 58 | } |
| 59 | |
| 60 | func (r *JoinGroupResponse) decode(pd packetDecoder, version int16) (err error) { |
| 61 | r.Version = version |
| 62 | |
| 63 | if version >= 2 { |
| 64 | if r.ThrottleTime, err = pd.getInt32(); err != nil { |
| 65 | return |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | kerr, err := pd.getInt16() |
| 70 | if err != nil { |
| 71 | return err |
| 72 | } |
| 73 | |
| 74 | r.Err = KError(kerr) |
| 75 | |
| 76 | if r.GenerationId, err = pd.getInt32(); err != nil { |
| 77 | return |
| 78 | } |
| 79 | |
| 80 | if r.GroupProtocol, err = pd.getString(); err != nil { |
| 81 | return |
| 82 | } |
| 83 | |
| 84 | if r.LeaderId, err = pd.getString(); err != nil { |
| 85 | return |
| 86 | } |
| 87 | |
| 88 | if r.MemberId, err = pd.getString(); err != nil { |
| 89 | return |
| 90 | } |
| 91 | |
| 92 | n, err := pd.getArrayLength() |
| 93 | if err != nil { |
| 94 | return err |
| 95 | } |
| 96 | if n == 0 { |
| 97 | return nil |
| 98 | } |
| 99 | |
| 100 | r.Members = make(map[string][]byte) |
| 101 | for i := 0; i < n; i++ { |
| 102 | memberId, err := pd.getString() |
| 103 | if err != nil { |
| 104 | return err |
| 105 | } |
| 106 | |
| 107 | memberMetadata, err := pd.getBytes() |
| 108 | if err != nil { |
| 109 | return err |
| 110 | } |
| 111 | |
| 112 | r.Members[memberId] = memberMetadata |
| 113 | } |
| 114 | |
| 115 | return nil |
| 116 | } |
| 117 | |
| 118 | func (r *JoinGroupResponse) key() int16 { |
| 119 | return 11 |
| 120 | } |
| 121 | |
| 122 | func (r *JoinGroupResponse) version() int16 { |
| 123 | return r.Version |
| 124 | } |
| 125 | |
| 126 | func (r *JoinGroupResponse) requiredVersion() KafkaVersion { |
| 127 | switch r.Version { |
| 128 | case 2: |
| 129 | return V0_11_0_0 |
| 130 | case 1: |
| 131 | return V0_10_1_0 |
| 132 | default: |
| 133 | return V0_9_0_0 |
| 134 | } |
| 135 | } |