| 120 | } |
| 121 | |
| 122 | func (r *messageSetReader) readMessage(min int64, key readBytesFunc, val readBytesFunc) ( |
| 123 | offset int64, lastOffset int64, timestamp int64, headers []Header, err error) { |
| 124 | |
| 125 | if r.empty { |
| 126 | err = RequestTimedOut |
| 127 | return |
| 128 | } |
| 129 | if err = r.readHeader(); err != nil { |
| 130 | return |
| 131 | } |
| 132 | switch r.header.magic { |
| 133 | case 0, 1: |
| 134 | offset, timestamp, headers, err = r.readMessageV1(min, key, val) |
| 135 | // Set an invalid value so that it can be ignored |
| 136 | lastOffset = -1 |
| 137 | case 2: |
| 138 | offset, lastOffset, timestamp, headers, err = r.readMessageV2(min, key, val) |
| 139 | default: |
| 140 | err = r.header.badMagic() |
| 141 | } |
| 142 | return |
| 143 | } |
| 144 | |
| 145 | func (r *messageSetReader) readMessageV1(min int64, key readBytesFunc, val readBytesFunc) ( |
| 146 | offset int64, timestamp int64, headers []Header, err error) { |