Write the metadata of the kv
(kvIdx uint64, b []byte)
| 215 | |
| 216 | // Write the metadata of the kv |
| 217 | func (df *DataFile) WriteMeta(kvIdx uint64, b []byte) error { |
| 218 | if !df.ContainsKv(kvIdx) { |
| 219 | return fmt.Errorf("kv not found") |
| 220 | } |
| 221 | |
| 222 | if len(b) > int(df.metaSize) { |
| 223 | return fmt.Errorf("write meta too large") |
| 224 | } |
| 225 | |
| 226 | _, err := df.file.WriteAt(b, int64(HEADER_SIZE+df.chunkIdxLen*df.chunkSize+(kvIdx-df.KvIdxStart())*df.metaSize)) |
| 227 | return err |
| 228 | } |
| 229 | |
| 230 | func (df *DataFile) writeHeader() error { |
| 231 | header := DataFileHeader{ |
nothing calls this directly
no test coverage detected