make_commands.py

#!/usr/bin/env python

import route

commands = [list() for x in range(route.nb_switches)]

for key in range(route.max_key):
	head, body, tail = route.get_chain(key)
	p_head = "table_add process _put 2 1 " + str(head) + " " + str(key) + " => "
	p_head += str(route.getLoc(head, key)) + " " + str(body)
	commands[head - 1].append(p_head)
	
	p_body = "table_add process _put "
	p_body += "2 1 " + str(body) + " " + str(key) + " => "
	p_body += str(route.getLoc(body, key)) + " " + str(tail)
	commands[body - 1].append(p_body)

	locstr = str(route.getLoc(tail, key))

	p_tail = "table_add process _put "
	p_tail += "2 1 " + str(tail) + " " + str(key) + " => "
	p_tail += locstr + " 0"
	commands[tail - 1].append(p_tail)

	g_tail = "table_add process _get "
	g_tail += "2 0 " + str(tail) + " " + str(key) + " => "
	g_tail += locstr + " 0"
	commands[tail - 1].append(g_tail)

for i in range(route.nb_switches):
	with open("commands" + str(i + 1) + ".txt", "w+") as f:
		f.write("table_set_default process _nop\n")
		f.write("table_set_default route _drop\n")
		f.write("table_add route _route 2 =>")
		for command in commands[i]:
			f.write("\n" + command)