def log(self, evt=None, p=None, *args, **kwargs):
"""Overloaded to check verbose level and set common annotations."""
force = False
if ('verbose' in kwargs): force = (kwargs['verbose']>ROUTING_VERBOSE)
if self.verbose>ROUTING_VERBOSE or force:
kwargs.update(self.get_route_anno(p))
kwargs.update(self.get_ip_anno(p))
NET.log(self, evt, p, *args, **kwargs)
def __init__(self, **kwargs):
"""Constructor."""
self.__table = None
NET.__init__(self, **kwargs)
assert isinstance(self.table, RouteTable), \
"[ROUTING]: Must have valid RouteTable!"
assert self.hasroute(self.address), \
"[ROUTING]: RouteTable has no entry for local address!"
assert self.hasroute(self.address), \
"[ROUTING]: RouteTable has no entry for broadcast address!"
def configure(self, **kwargs):
"""Call `NET.configure()`, initialize routing table, add ports, and
spawn `FSM` to run static routing algorithm."""
NET.configure(self, **kwargs)
self.table = self.newchild('routetable', RouteTable, \
name=self.name+".rtable", \
tracename=self.tracename+".RTABLE")
self.addport("TXU") # port to send traffic to upstream protocol
self.addport("RXU") # port to recv traffic from upstream protocol
# create FSM to manage send/recv execution of routing
txfsm = self.newchild("txfsm", FSM, tracename=self.tracename+".TX")
rxfsm = self.newchild("rxfsm", FSM, tracename=self.tracename+".RX")
txfsm.goto(self.SEND)
rxfsm.goto(self.RECV)