| 86 | } |
| 87 | |
| 88 | func marshalWithStartEnd(pb proto.Message, start uint32, end uint32) ([]byte, error) { |
| 89 | const uint32Size = 4 |
| 90 | |
| 91 | sz := proto.Size(pb) |
| 92 | buff := make([]byte, 0, sz+uint32Size*2) // proto buff size + start/end uint32s |
| 93 | |
| 94 | buffer := proto.NewBuffer(buff) |
| 95 | |
| 96 | _ = buffer.EncodeFixed32(uint64(start)) // EncodeFixed32 can't return an error |
| 97 | _ = buffer.EncodeFixed32(uint64(end)) |
| 98 | err := buffer.Marshal(pb) |
| 99 | if err != nil { |
| 100 | return nil, err |
| 101 | } |
| 102 | |
| 103 | buff = buffer.Bytes() |
| 104 | |
| 105 | return buff, nil |
| 106 | } |
| 107 | |
| 108 | func stripStartEnd(buff []byte) ([]byte, uint32, uint32, error) { |
| 109 | if len(buff) < 8 { |