William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 1 | package sarama |
| 2 | |
| 3 | type OffsetFetchResponseBlock struct { |
| 4 | Offset int64 |
| 5 | LeaderEpoch int32 |
| 6 | Metadata string |
| 7 | Err KError |
| 8 | } |
| 9 | |
| 10 | func (b *OffsetFetchResponseBlock) decode(pd packetDecoder, version int16) (err error) { |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 11 | isFlexible := version >= 6 |
| 12 | |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 13 | b.Offset, err = pd.getInt64() |
| 14 | if err != nil { |
| 15 | return err |
| 16 | } |
| 17 | |
| 18 | if version >= 5 { |
| 19 | b.LeaderEpoch, err = pd.getInt32() |
| 20 | if err != nil { |
| 21 | return err |
| 22 | } |
| 23 | } |
| 24 | |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 25 | if isFlexible { |
| 26 | b.Metadata, err = pd.getCompactString() |
| 27 | } else { |
| 28 | b.Metadata, err = pd.getString() |
| 29 | } |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 30 | if err != nil { |
| 31 | return err |
| 32 | } |
| 33 | |
| 34 | tmp, err := pd.getInt16() |
| 35 | if err != nil { |
| 36 | return err |
| 37 | } |
| 38 | b.Err = KError(tmp) |
| 39 | |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 40 | if isFlexible { |
| 41 | if _, err := pd.getEmptyTaggedFieldArray(); err != nil { |
| 42 | return err |
| 43 | } |
| 44 | } |
| 45 | |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 46 | return nil |
| 47 | } |
| 48 | |
| 49 | func (b *OffsetFetchResponseBlock) encode(pe packetEncoder, version int16) (err error) { |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 50 | isFlexible := version >= 6 |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 51 | pe.putInt64(b.Offset) |
| 52 | |
| 53 | if version >= 5 { |
| 54 | pe.putInt32(b.LeaderEpoch) |
| 55 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 56 | if isFlexible { |
| 57 | err = pe.putCompactString(b.Metadata) |
| 58 | } else { |
| 59 | err = pe.putString(b.Metadata) |
| 60 | } |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 61 | if err != nil { |
| 62 | return err |
| 63 | } |
| 64 | |
| 65 | pe.putInt16(int16(b.Err)) |
| 66 | |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 67 | if isFlexible { |
| 68 | pe.putEmptyTaggedFieldArray() |
| 69 | } |
| 70 | |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 71 | return nil |
| 72 | } |
| 73 | |
| 74 | type OffsetFetchResponse struct { |
| 75 | Version int16 |
| 76 | ThrottleTimeMs int32 |
| 77 | Blocks map[string]map[int32]*OffsetFetchResponseBlock |
| 78 | Err KError |
| 79 | } |
| 80 | |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 81 | func (r *OffsetFetchResponse) encode(pe packetEncoder) (err error) { |
| 82 | isFlexible := r.Version >= 6 |
| 83 | |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 84 | if r.Version >= 3 { |
| 85 | pe.putInt32(r.ThrottleTimeMs) |
| 86 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 87 | if isFlexible { |
| 88 | pe.putCompactArrayLength(len(r.Blocks)) |
| 89 | } else { |
| 90 | err = pe.putArrayLength(len(r.Blocks)) |
| 91 | } |
| 92 | if err != nil { |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 93 | return err |
| 94 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 95 | |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 96 | for topic, partitions := range r.Blocks { |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 97 | if isFlexible { |
| 98 | err = pe.putCompactString(topic) |
| 99 | } else { |
| 100 | err = pe.putString(topic) |
| 101 | } |
| 102 | if err != nil { |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 103 | return err |
| 104 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 105 | |
| 106 | if isFlexible { |
| 107 | pe.putCompactArrayLength(len(partitions)) |
| 108 | } else { |
| 109 | err = pe.putArrayLength(len(partitions)) |
| 110 | } |
| 111 | if err != nil { |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 112 | return err |
| 113 | } |
| 114 | for partition, block := range partitions { |
| 115 | pe.putInt32(partition) |
| 116 | if err := block.encode(pe, r.Version); err != nil { |
| 117 | return err |
| 118 | } |
| 119 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 120 | if isFlexible { |
| 121 | pe.putEmptyTaggedFieldArray() |
| 122 | } |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 123 | } |
| 124 | if r.Version >= 2 { |
| 125 | pe.putInt16(int16(r.Err)) |
| 126 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 127 | if isFlexible { |
| 128 | pe.putEmptyTaggedFieldArray() |
| 129 | } |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 130 | return nil |
| 131 | } |
| 132 | |
| 133 | func (r *OffsetFetchResponse) decode(pd packetDecoder, version int16) (err error) { |
| 134 | r.Version = version |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 135 | isFlexible := version >= 6 |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 136 | |
| 137 | if version >= 3 { |
| 138 | r.ThrottleTimeMs, err = pd.getInt32() |
| 139 | if err != nil { |
| 140 | return err |
| 141 | } |
| 142 | } |
| 143 | |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 144 | var numTopics int |
| 145 | if isFlexible { |
| 146 | numTopics, err = pd.getCompactArrayLength() |
| 147 | } else { |
| 148 | numTopics, err = pd.getArrayLength() |
| 149 | } |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 150 | if err != nil { |
| 151 | return err |
| 152 | } |
| 153 | |
| 154 | if numTopics > 0 { |
| 155 | r.Blocks = make(map[string]map[int32]*OffsetFetchResponseBlock, numTopics) |
| 156 | for i := 0; i < numTopics; i++ { |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 157 | var name string |
| 158 | if isFlexible { |
| 159 | name, err = pd.getCompactString() |
| 160 | } else { |
| 161 | name, err = pd.getString() |
| 162 | } |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 163 | if err != nil { |
| 164 | return err |
| 165 | } |
| 166 | |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 167 | var numBlocks int |
| 168 | if isFlexible { |
| 169 | numBlocks, err = pd.getCompactArrayLength() |
| 170 | } else { |
| 171 | numBlocks, err = pd.getArrayLength() |
| 172 | } |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 173 | if err != nil { |
| 174 | return err |
| 175 | } |
| 176 | |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 177 | r.Blocks[name] = nil |
| 178 | if numBlocks > 0 { |
| 179 | r.Blocks[name] = make(map[int32]*OffsetFetchResponseBlock, numBlocks) |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 180 | } |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 181 | for j := 0; j < numBlocks; j++ { |
| 182 | id, err := pd.getInt32() |
| 183 | if err != nil { |
| 184 | return err |
| 185 | } |
| 186 | |
| 187 | block := new(OffsetFetchResponseBlock) |
| 188 | err = block.decode(pd, version) |
| 189 | if err != nil { |
| 190 | return err |
| 191 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 192 | |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 193 | r.Blocks[name][id] = block |
| 194 | } |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 195 | |
| 196 | if isFlexible { |
| 197 | if _, err := pd.getEmptyTaggedFieldArray(); err != nil { |
| 198 | return err |
| 199 | } |
| 200 | } |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 201 | } |
| 202 | } |
| 203 | |
| 204 | if version >= 2 { |
| 205 | kerr, err := pd.getInt16() |
| 206 | if err != nil { |
| 207 | return err |
| 208 | } |
| 209 | r.Err = KError(kerr) |
| 210 | } |
| 211 | |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 212 | if isFlexible { |
| 213 | if _, err := pd.getEmptyTaggedFieldArray(); err != nil { |
| 214 | return err |
| 215 | } |
| 216 | } |
| 217 | |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 218 | return nil |
| 219 | } |
| 220 | |
| 221 | func (r *OffsetFetchResponse) key() int16 { |
| 222 | return 9 |
| 223 | } |
| 224 | |
| 225 | func (r *OffsetFetchResponse) version() int16 { |
| 226 | return r.Version |
| 227 | } |
| 228 | |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 229 | func (r *OffsetFetchResponse) headerVersion() int16 { |
| 230 | if r.Version >= 6 { |
| 231 | return 1 |
| 232 | } |
| 233 | |
| 234 | return 0 |
| 235 | } |
| 236 | |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 237 | func (r *OffsetFetchResponse) requiredVersion() KafkaVersion { |
| 238 | switch r.Version { |
| 239 | case 1: |
| 240 | return V0_8_2_0 |
| 241 | case 2: |
| 242 | return V0_10_2_0 |
| 243 | case 3: |
| 244 | return V0_11_0_0 |
| 245 | case 4: |
| 246 | return V2_0_0_0 |
| 247 | case 5: |
| 248 | return V2_1_0_0 |
khenaidoo | 106c61a | 2021-08-11 18:05:46 -0400 | [diff] [blame] | 249 | case 6: |
| 250 | return V2_4_0_0 |
| 251 | case 7: |
| 252 | return V2_5_0_0 |
William Kurkian | ea86948 | 2019-04-09 15:16:11 -0400 | [diff] [blame] | 253 | default: |
| 254 | return MinVersion |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | func (r *OffsetFetchResponse) GetBlock(topic string, partition int32) *OffsetFetchResponseBlock { |
| 259 | if r.Blocks == nil { |
| 260 | return nil |
| 261 | } |
| 262 | |
| 263 | if r.Blocks[topic] == nil { |
| 264 | return nil |
| 265 | } |
| 266 | |
| 267 | return r.Blocks[topic][partition] |
| 268 | } |
| 269 | |
| 270 | func (r *OffsetFetchResponse) AddBlock(topic string, partition int32, block *OffsetFetchResponseBlock) { |
| 271 | if r.Blocks == nil { |
| 272 | r.Blocks = make(map[string]map[int32]*OffsetFetchResponseBlock) |
| 273 | } |
| 274 | partitions := r.Blocks[topic] |
| 275 | if partitions == nil { |
| 276 | partitions = make(map[int32]*OffsetFetchResponseBlock) |
| 277 | r.Blocks[topic] = partitions |
| 278 | } |
| 279 | partitions[partition] = block |
| 280 | } |