def python_check_loops(simulation): import topology_loader.topology_loader as hsa_topo import headerspace.applications as hsa # Warning! depends on python Hassell -- may be really slow! NTF = hsa_topo.generate_NTF(simulation.topology.live_switches) TTF = hsa_topo.generate_TTF(simulation.topology.live_links) loops = hsa.detect_loop(NTF, TTF, simulation.topology.live_switches) violations = [ str(l) for l in loops ] violations = list(set(violations)) return violations
def python_check_loops(simulation):
import topology_loader.topology_loader as hsa_topo
import headerspace.applications as hsa
# Warning! depends on python Hassell -- may be really slow!
NTF = hsa_topo.generate_NTF(simulation.topology.live_switches)
TTF = hsa_topo.generate_TTF(simulation.topology.live_links)
loops = hsa.detect_loop(NTF, TTF, simulation.topology.live_switches)
violations = [str(l) for l in loops]
violations = list(set(violations))
return violations
def python_check_loops(simulation, check_liveness_first=True):
import topology_loader.topology_loader as hsa_topo
import headerspace.applications as hsa
if check_liveness_first and simulation.controller_manager.all_controllers_down():
return simulation.controller_manager.cids
# Warning! depends on python Hassell -- may be really slow!
NTF = hsa_topo.generate_NTF(simulation.topology.live_switches)
TTF = hsa_topo.generate_TTF(simulation.topology.live_links)
loops = hsa.detect_loop(NTF, TTF, simulation.topology.live_switches)
violations = [ str(l) for l in loops ]
violations = list(set(violations))
return violations
def python_check_loops(simulation, check_liveness_first=True):
import topology_loader.topology_loader as hsa_topo
import headerspace.applications as hsa
if check_liveness_first:
simulation.controller_manager.check_controller_status()
if simulation.controller_manager.all_controllers_down():
return simulation.controller_manager.cids
# Warning! depends on python Hassell -- may be really slow!
NTF = hsa_topo.generate_NTF(simulation.topology.live_switches)
TTF = hsa_topo.generate_TTF(simulation.topology.live_links)
loops = hsa.detect_loop(NTF, TTF, simulation.topology.live_switches)
violations = [str(l) for l in loops]
violations = list(set(violations))
return violations
def test_python_loop(self):
topo = self._create_loopy_network()
NTF = hsa_topo.generate_NTF(topo.switches)
TTF = hsa_topo.generate_TTF(topo.network_links)
loops = hsa.detect_loop(NTF, TTF, topo.switches)
self.assertTrue(loops != [])
def test_python_loop(self):
topo = self._create_loopy_network()
NTF = hsa_topo.generate_NTF(topo.switches)
TTF = hsa_topo.generate_TTF(topo.network_links)
loops = hsa.detect_loop(NTF, TTF, topo.switches)
self.assertTrue(loops != [])
port_map["bbrb_rtr"]["te1/3"],
port_map["bbra_rtr"]["te1/3"],
port_map["bbrb_rtr"]["te7/2"],
port_map["bbra_rtr"]["te7/3"],
port_map["bbrb_rtr"]["te6/1"],
port_map["boza_rtr"]["te2/3"],
port_map["coza_rtr"]["te2/3"],
port_map["yozb_rtr"]["te1/3"],
port_map["yozb_rtr"]["te1/2"],
port_map["yoza_rtr"]["te1/1"],
port_map["yoza_rtr"]["te1/2"],
port_map["bozb_rtr"]["te2/3"],
port_map["cozb_rtr"]["te2/3"],
port_map["gozb_rtr"]["te2/3"],
port_map["pozb_rtr"]["te2/3"],
port_map["goza_rtr"]["te2/3"],
port_map["poza_rtr"]["te2/3"],
port_map["rozb_rtr"]["te2/3"],
port_map["sozb_rtr"]["te2/3"],
port_map["roza_rtr"]["te2/3"],
port_map["soza_rtr"]["te2/3"],
]
st = time()
loops = detect_loop(ntf,ttf,loop_port_ids,None,output_port_addition)
en = time()
print_paths(loops, port_reverse_map)
print "Found ",len(loops)," loops in ",en-st," seconds."
port_map["bbrb_rtr"]["te1/3"],
port_map["bbra_rtr"]["te1/3"],
port_map["bbrb_rtr"]["te7/2"],
port_map["bbra_rtr"]["te7/3"],
port_map["bbrb_rtr"]["te6/1"],
port_map["boza_rtr"]["te2/3"],
port_map["coza_rtr"]["te2/3"],
port_map["yozb_rtr"]["te1/3"],
port_map["yozb_rtr"]["te1/2"],
port_map["yoza_rtr"]["te1/1"],
port_map["yoza_rtr"]["te1/2"],
port_map["bozb_rtr"]["te2/3"],
port_map["cozb_rtr"]["te2/3"],
port_map["gozb_rtr"]["te2/3"],
port_map["pozb_rtr"]["te2/3"],
port_map["goza_rtr"]["te2/3"],
port_map["poza_rtr"]["te2/3"],
port_map["rozb_rtr"]["te2/3"],
port_map["sozb_rtr"]["te2/3"],
port_map["roza_rtr"]["te2/3"],
port_map["soza_rtr"]["te2/3"],
]
st = time()
loops = detect_loop(ntf, ttf, loop_port_ids, None, output_port_addition)
en = time()
print_paths(loops, port_reverse_map)
print "Found ", len(loops), " loops in ", en - st, " seconds."
