()
| 260 | } |
| 261 | |
| 262 | func allocateConnAndSeq() (connID uint64, seqNo uint64) { |
| 263 | connIDLock.Lock() |
| 264 | defer connIDLock.Unlock() |
| 265 | |
| 266 | if len(connIDAvail) == 0 { |
| 267 | // generate one |
| 268 | connID = randSource.Uint64() |
| 269 | seqNo = atomic.AddUint64(&globalSeqNo, 1) |
| 270 | return |
| 271 | } |
| 272 | |
| 273 | // pop one conn |
| 274 | connID = connIDAvail[0] |
| 275 | connIDAvail = connIDAvail[1:] |
| 276 | seqNo = atomic.AddUint64(&globalSeqNo, 1) |
| 277 | |
| 278 | return |
| 279 | } |
| 280 | |
| 281 | func putBackConn(connID uint64) { |
| 282 | connIDLock.Lock() |