1#!/usr/bin/python 2# fairness.py 3# A complex test for butterly-like topology, 4# using 3 TCP connections and 3 ping flows. 5# 6# s1---. .---r1 7# s2----\ / 8# s3-----\__.R1---R2.__/__.--r2 9# s4-----/ \ 10# s5----/ \_.--r3 11# s6---^ 12# 13 14from topology import * 15 16T = Topology() 17net1 = Network(T) 18net2 = Network(T) 19net3 = Network(T) 20 21#router1 = Host(T, net1, net2, "natbox:172.16.2.1:") 22#router2 = Host(T, net2, net3, "natbox:172.16.3.1:") 23router1 = Host(T, net1, net2) 24router2 = Host(T, net2, net3) 25 26send1 = Host(T, net1, args="tcpbench:t:172.16.3.2:") 27send2 = Host(T, net1, args="tcpbench:t:172.16.3.3:") 28send3 = Host(T, net1, args="tcpbench:t:172.16.3.4:") 29 30send4 = Host(T, net1, args="ping:172.16.3.2:") 31send5 = Host(T, net1, args="ping:172.16.3.3:") 32send6 = Host(T, net1, args="ping:172.16.3.4:") 33 34 35recv1 = Host(T, net3, args="tcpbench:r:") 36recv2 = Host(T, net3, args="tcpbench:r:") 37recv3 = Host(T, net3, args="tcpbench:r:") 38recv4 = Host(T, net3, args="tcpbench:r:") 39 40 41sleep(1) 42start(T) 43 44wait(send1) 45wait(send2) 46wait(send3) 47 48cleanup() 49