| 148 | } |
| 149 | |
| 150 | func (f *fileDB) add(key []byte, data []byte) error { |
| 151 | f.Lock() |
| 152 | defer f.Unlock() |
| 153 | |
| 154 | if f.isFull() { |
| 155 | if err := f.newFile(); err != nil { |
| 156 | return errors.Trace(err) |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | offset, err := f.master.file.Seek(0, os.SEEK_END) |
| 161 | if err != nil { |
| 162 | return errors.Trace(err) |
| 163 | } |
| 164 | |
| 165 | size, err := f.master.file.Write(data) |
| 166 | if err != nil { |
| 167 | return errors.Trace(err) |
| 168 | } |
| 169 | |
| 170 | i := fileInfo{Key: key, Name: f.master.name, Time: time.Now().Unix(), Offset: int32(offset), Size: int32(size)} |
| 171 | if data, err = json.Marshal(i); err != nil { |
| 172 | return errors.Trace(err) |
| 173 | } |
| 174 | |
| 175 | if err = f.db.Put(i.Key, data, nil); err != nil { |
| 176 | return errors.Trace(err) |
| 177 | } |
| 178 | |
| 179 | log.Debugf("add key:%x to file:%s offset:%d size:%d", key, i.Name, i.Offset, i.Size) |
| 180 | return nil |
| 181 | } |
| 182 | |
| 183 | func (f *fileDB) get(key []byte) (data []byte, err error) { |
| 184 | var file *os.File |