Porting PicoTCP WIP

kernel/picotcp/test/python/traceroute_from_linux.py

@@ -0,0 +1,45 @@
+#!/usr/bin/python
+from  topology import *
+
+'''
+Add route to 172.16.0.0/16 gw 172.16.1.2 on your host machine.
+
+Should result in something like:
+~$ traceroute 172.16.8.2
+traceroute to 172.16.8.2 (172.16.8.2), 30 hops max, 60 byte packets
+ 1  172.16.1.2 (172.16.1.2)  0.481 ms  0.473 ms  0.467 ms
+ 2  172.16.2.2 (172.16.2.2)  4.680 ms  4.702 ms  4.700 ms
+ 3  172.16.3.2 (172.16.3.2)  8.759 ms  8.768 ms  8.766 ms
+ 4  172.16.4.2 (172.16.4.2)  10.791 ms  10.789 ms  10.786 ms
+ 5  172.16.5.2 (172.16.5.2)  12.826 ms  12.825 ms  12.821 ms
+ 6  172.16.6.2 (172.16.6.2)  14.844 ms  17.858 ms  17.857 ms
+ 7  172.16.7.2 (172.16.7.2)  17.858 ms  14.000 ms  13.999 ms
+ 8  172.16.8.2 (172.16.8.2)  18.032 ms  18.029 ms  18.023 ms
+
+'''
+
+
+T = Topology()
+net1 = Network(T, 'nat0')
+net2 = Network(T)
+net3 = Network(T)
+net4 = Network(T)
+net5 = Network(T)
+net6 = Network(T)
+net7 = Network(T)
+net8 = Network(T)
+
+router1 = Host(T, net1, net2)
+router2 = Host(T, net2, net3)
+router3 = Host(T, net3, net4)
+router4 = Host(T, net4, net5)
+router5 = Host(T, net5, net6)
+router6 = Host(T, net6, net7)
+router7 = Host(T, net7, net8)
+
+h1 = Host(T, net8)
+
+sleep(1)
+start(T)
+loop()
+cleanup()