router_c = network_3.Router(name='C',
intf_count=2,
max_queue_size=router_queue_size,
forward_t=table_c)
object_L.append(router_c)
table_d = [(2, 3), (3, 4)]
router_d = network_3.Router(name='D',
intf_count=4,
max_queue_size=router_queue_size,
forward_t=table_d)
object_L.append(router_d)
# create a Link Layer to keep track of links between network_3 nodes
link_layer = link.LinkLayer()
object_L.append(link_layer)
# add all the links
# link parameters: from_node, from_intf_num, to_node, to_intf_num, mtu
# connect client 1 to router a
link_layer.add_link(link.Link(client_1, 0, router_a, 0, 50))
# connect client 2 to router a
link_layer.add_link(link.Link(client_2, 0, router_a, 1, 50))
#Upper port values are OUTPUT ports else input
link_layer.add_link(link.Link(router_a, 2, router_b, 0,
50)) # connect a to b
link_layer.add_link(link.Link(router_b, 1, router_d, 0,
50)) # connect b to d
link_layer.add_link(link.Link(router_a, 3, router_c, 0,
import link
from tornado.ioloop import IOLoop
import base
import ethernet
import http
import ip
import rtp
import tcp
import udp
import util
import video
if __name__ == "__main__":
root = link.LinkLayer()
sh = shell.CommandShell(root)
if len(sys.argv) == 2:
graph = sys.argv[1]
v = {"root": root}
execfile(graph, v)
elif len(sys.argv) > 2:
print "Only one argument allowed (graph file to load)"
sys.exit(1)
#tap = driver.FakeTap()
tap = driver.Tap()
tap.mitm()
try: