def schedLinkFails(sched, net, linkFails):
def fail(intf):
intf.config(loss=100)
def recover(intf):
# loss=0 alone would be ignored, so we add bw=1000
intf.config(bw=1000, loss=0)
def do(t, h1, h2, act):
print '%d %s %s-%s' % (t, act.func_name, h1.name, h2.name)
connections = h1.connectionsTo(h2)
for (intf1, intf2) in connections:
act(intf1)
act(intf2)
for (x1, y1, x2, y2, t1, t2) in linkFails:
h1 = net.get(GridTopo.makeHostName(x1, y1))
h2 = net.get(GridTopo.makeHostName(x2, y2))
sched.enter(t1, 0, do, (t1, h1, h2, fail))
sched.enter(t2, 0, do, (t2, h1, h2, recover))
