| 71 | return sock |
| 72 | |
| 73 | def _write_func(self, buf): |
| 74 | size = len(buf) |
| 75 | |
| 76 | self.received += size |
| 77 | |
| 78 | self.fh.write(buf) |
| 79 | |
| 80 | if self.bucket: |
| 81 | time.sleep(self.bucket.consumed(size)) |
| 82 | |
| 83 | else: |
| 84 | # Avoid small buffers, increasing sleep time slowly if buffer size gets smaller |
| 85 | # otherwise reduce sleep time percentequal (values are based on tests) |
| 86 | # So in general cpu time is saved without reducing bandwidth too much |
| 87 | |
| 88 | if size < self.last_recv_size: |
| 89 | self.sleep += 0.002 |
| 90 | else: |
| 91 | self.sleep *= 0.7 |
| 92 | |
| 93 | self.last_recv_size = size |
| 94 | |
| 95 | time.sleep(self.sleep) |
| 96 | |
| 97 | def _send_ack(self): |
| 98 | # acknowledge data by sending number of received bytes |