def ip_multicast(tokeniser, afi, safi):
ipmask = prefix(tokeniser)
nlri = INET(afi, safi, OUT.ANNOUNCE)
nlri.cidr = CIDR(ipmask.pack(), ipmask.mask)
change = Change(nlri, Attributes())
while True:
command = tokeniser()
if not command:
break
action = ParseIP.action.get(command, '')
if action == 'attribute-add':
change.attributes.add(ParseIP.known[command](tokeniser))
elif action == 'nlri-set':
change.nlri.assign(ParseIP.assign[command],
ParseIP.known[command](tokeniser))
elif action == 'nexthop-and-attribute':
nexthop, attribute = ParseIP.known[command](tokeniser)
change.nlri.nexthop = nexthop
change.attributes.add(attribute)
else:
raise ValueError('route: unknown command "%s"' % command)
return [change]
def ip_unicast(tokeniser, afi, safi):
action = OUT.ANNOUNCE if tokeniser.announce else OUT.WITHDRAW
ipmask = prefix(tokeniser)
nlri = INET(afi, safi, action)
nlri.cidr = CIDR(ipmask.pack(), ipmask.mask)
change = Change(nlri, Attributes())
while True:
command = tokeniser()
if not command:
break
action = AnnouncePath.action.get(command, '')
if action == 'attribute-add':
change.attributes.add(AnnouncePath.known[command](tokeniser))
elif action == 'nlri-set':
change.nlri.assign(AnnouncePath.assign[command],
AnnouncePath.known[command](tokeniser))
elif action == 'nexthop-and-attribute':
nexthop, attribute = AnnouncePath.known[command](tokeniser)
change.nlri.nexthop = nexthop
change.attributes.add(attribute)
else:
raise ValueError('unknown command "%s"' % command)
if not AnnouncePath.check(change, afi):
raise ValueError('invalid announcement (missing next-hop ?)')
return [change]
