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| 1 #!/usr/bin/env python | |
| 2 # Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | |
| 3 # | |
| 4 # Use of this source code is governed by a BSD-style license | |
| 5 # that can be found in the LICENSE file in the root of the source | |
| 6 # tree. An additional intellectual property rights grant can be found | |
| 7 # in the file PATENTS. All contributing project authors may | |
| 8 # be found in the AUTHORS file in the root of the source tree. | |
| 9 | |
| 10 """Configuration class for network emulation.""" | |
| 11 | |
| 12 | |
| 13 class ConnectionConfig(object): | |
| 14 """Configuration containing the characteristics of a network connection.""" | |
| 15 | |
| 16 def __init__(self, num, name, receive_bw_kbps, send_bw_kbps, delay_ms, | |
| 17 packet_loss_percent, queue_slots): | |
| 18 self.num = num | |
| 19 self.name = name | |
| 20 self.receive_bw_kbps = receive_bw_kbps | |
| 21 self.send_bw_kbps = send_bw_kbps | |
| 22 self.delay_ms = delay_ms | |
| 23 self.packet_loss_percent = packet_loss_percent | |
| 24 self.queue_slots = queue_slots | |
| 25 | |
| 26 def __str__(self): | |
| 27 """String representing the configuration. | |
| 28 | |
| 29 Returns: | |
| 30 A string formatted and padded like this example: | |
| 31 12 Name 375 kbps 375 kbps 10 145 ms 0.1 % | |
| 32 """ | |
| 33 left_aligned_name = self.name.ljust(24, ' ') | |
| 34 return '%2s %24s %5s kbps %5s kbps %4s %5s ms %3s %%' % ( | |
| 35 self.num, left_aligned_name, self.receive_bw_kbps, self.send_bw_kbps, | |
| 36 self.queue_slots, self.delay_ms, self.packet_loss_percent) | |
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