class discovery(Component):
def __init__(self, ctxt):
Component.__init__(self, ctxt)
self._bindings = self.resolve(pybindings_storage)
self._user_event_log = self.resolve(pyuser_event_log)
self.dps = {}
self.lldp_packets = {}
self.adjacency_list = {}
def configure(self, configuration):
arg_len = len(configuration['arguments'])
self.lldp_send_period = LLDP_SEND_PERIOD
if arg_len == 1:
try:
val = float(configuration['arguments'][0])
self.lldp_send_period = val
lg.debug("Setting LLDP send timer to " + str(val))
except Exception, e:
lg.error("unable to convert arg to float " +
configuration['arguments'][0])
self.register_event(Link_event.static_get_name())
Link_event.register_event_converter(self.ctxt)
def configure(self, configuration):
#self.register_event(Link_event.static_get_name())
Link_event.register_event_converter(self.ctxt)
def configure(self, configuration):
#self.register_event(Link_event.static_get_name())
Link_event.register_event_converter(self.ctxt)
elif arg_len == 2:
try:
val = float(configuration['arguments'][0])
self.lldp_send_period = val;
lg.debug("Setting LLDP send timer to " + str(val))
val = int(configuration['arguments'][1])
self.vlan_id = val;
lg.debug("Setting LLDP VLAN to " + str(val))
except Exception, e:
lg.error("unable to convert arg to integer " + configuration['arguments'][0])
self.register_event(Link_event.static_get_name())
Link_event.register_event_converter(self.ctxt)
def install(self):
self.register_for_datapath_join ( lambda dp,stats : discovery.dp_join(self, dp, stats) )
self.register_for_datapath_leave( lambda dp : discovery.dp_leave(self, dp) )
self.register_for_port_status( lambda dp, reason, port : discovery.port_status_change(self, dp, reason, port) )
# register handler for all LLDP packets
if(self.vlan_id != None):
match = {
DL_DST : array_to_octstr(array.array('B',NDP_MULTICAST)),DL_TYPE: ethernet.LLDP_TYPE, DL_VLAN: self.vlan_id}
else:
match = {
DL_DST: array_to_octstr(array.array('B',NDP_MULTICAST)),DL_TYPE: ethernet.LLDP_TYPE }
self.register_for_packet_match(lambda
dp,inport,reason,len,bid,packet :
