def handle_topology_answer(self, *args, **kwargs):
"""
Handle topology packet
:param args: contains the topology packet
:return:
"""
packet = kwargs.get('packet')
switch = kwargs.get('switch')
pkt = packet
pkt = packet.payload
Event.trigger("clear_port_down", port=int(pkt.port))
if pkt.device_type != 1:
name = "s" + str(pkt.identifier)
TopologyManager.add_device(name=name, device=Host(name=name, ip=pkt.ip, mac=pkt.mac))
else: # its a host
name = "h" + str(pkt.identifier)
TopologyManager.add_device(name=name, device=Host(name=name, ip=pkt.ip, mac=pkt.mac))
if TopologyManager.get_device(name=switch).add_device_to_port(device=name, port=int(pkt.port)):
Event.trigger("topology_change", src_device=switch, dst_device=name, port=int(pkt.port))
#Log.info("Pkt in:", pkt.port)
topology_packet = proto.connection_pb2.TopologyPacket(ip=pkt.ip, mac=pkt.mac, port=pkt.port, name=name, switch=Configuration.get('name'))
Event.trigger("topology_to_controller", pkt=topology_packet)
def handle_topology_answer(self, pkt=None):
"""
Handle topology packet
:param pkt: contains the topology packet
:return:
"""
# if the controller is not yet connected to all local controllers
# don't handle topology packets
if not Configuration.get('system_done'):
return
ip = pkt.ip.encode('utf-8')
mac = pkt.mac.encode('utf-8')
name = pkt.name.encode('utf-8')
port = pkt.port
switch = pkt.switch.encode('utf-8')
if name.startswith('h'): # it's a host
TopologyManager.add_device(name=name,
device=Host(name=name, ip=ip, mac=mac))
TopologyManager.get_device(name=name).add_device_to_port(
device=switch, port=1)
Log.event("topology packet with identifier", name, "from switch",
switch, "on port", port, "with ip", ip)
if TopologyManager.get_device(name=switch).add_device_to_port(
device=name, port=int(port)):
Event.trigger("topology_change",
src_device=switch,
dst_device=name,
port=int(port))