(d *decoder)
| 8 | ) |
| 9 | |
| 10 | func (rs *RecordSet) readFromVersion2(d *decoder) error { |
| 11 | baseOffset := d.readInt64() |
| 12 | batchLength := d.readInt32() |
| 13 | |
| 14 | if int(batchLength) > d.remain || d.err != nil { |
| 15 | d.discardAll() |
| 16 | return nil |
| 17 | } |
| 18 | |
| 19 | dec := &decoder{ |
| 20 | reader: d, |
| 21 | remain: int(batchLength), |
| 22 | } |
| 23 | |
| 24 | partitionLeaderEpoch := dec.readInt32() |
| 25 | magicByte := dec.readInt8() |
| 26 | crc := dec.readInt32() |
| 27 | |
| 28 | dec.setCRC(crc32.MakeTable(crc32.Castagnoli)) |
| 29 | |
| 30 | attributes := dec.readInt16() |
| 31 | lastOffsetDelta := dec.readInt32() |
| 32 | firstTimestamp := dec.readInt64() |
| 33 | maxTimestamp := dec.readInt64() |
| 34 | producerID := dec.readInt64() |
| 35 | producerEpoch := dec.readInt16() |
| 36 | baseSequence := dec.readInt32() |
| 37 | numRecords := dec.readInt32() |
| 38 | reader := io.Reader(dec) |
| 39 | |
| 40 | // unused |
| 41 | _ = lastOffsetDelta |
| 42 | _ = maxTimestamp |
| 43 | |
| 44 | if compression := Attributes(attributes).Compression(); compression != 0 { |
| 45 | codec := compression.Codec() |
| 46 | if codec == nil { |
| 47 | return fmt.Errorf("unsupported compression codec (%d)", compression) |
| 48 | } |
| 49 | decompressor := codec.NewReader(reader) |
| 50 | defer decompressor.Close() |
| 51 | reader = decompressor |
| 52 | } |
| 53 | |
| 54 | buffer := newPageBuffer() |
| 55 | defer buffer.unref() |
| 56 | |
| 57 | _, err := buffer.ReadFrom(reader) |
| 58 | if err != nil { |
| 59 | return err |
| 60 | } |
| 61 | if dec.crc32 != uint32(crc) { |
| 62 | return fmt.Errorf("crc32 checksum mismatch (computed=%d found=%d)", dec.crc32, uint32(crc)) |
| 63 | } |
| 64 | |
| 65 | recordsLength := buffer.Len() |
| 66 | dec.reader = buffer |
| 67 | dec.remain = recordsLength |
no test coverage detected