def withdraw (self,asn4=False,local_asn=None,remote_asn=None): if self.afi == AFI.ipv4 and self.safi in [SAFI.unicast, SAFI.multicast]: nlri = ''.join([route.nlri.pack() for route in self.routes]) mp = '' attr = '' else: nlri = '' mp = MPURNLRI(self.routes).pack() attr = self.routes[0].attributes.bgp_announce(asn4,local_asn,remote_asn) return self._message(prefix(nlri) + prefix(attr + mp))
def announce (self,asn4,local_asn,remote_asn):
if self.afi == AFI.ipv4 and self.safi in [SAFI.unicast, SAFI.multicast]:
nlri = ''.join([route.nlri.pack() for route in self.routes])
mp = ''
else:
nlri = ''
mp = MPRNLRI(self.routes).pack()
# FIXME: needs same fix as below for next hop ?
attr = self.routes[0].attributes.bgp_announce(asn4,local_asn,remote_asn)
return self._message(prefix('') + prefix(attr + mp) + nlri)
def withdraw(self, asn4=False, local_asn=None, remote_asn=None):
if self.afi == AFI.ipv4 and self.safi in [
SAFI.unicast, SAFI.multicast
]:
nlri = ''.join([route.nlri.pack() for route in self.routes])
mp = ''
attr = ''
else:
nlri = ''
mp = MPURNLRI(self.routes).pack()
attr = self.routes[0].attributes.bgp_announce(
asn4, local_asn, remote_asn)
return self._message(prefix(nlri) + prefix(attr + mp))
def announce(self, asn4, local_asn, remote_asn):
if self.afi == AFI.ipv4 and self.safi in [
SAFI.unicast, SAFI.multicast
]:
nlri = ''.join([route.nlri.pack() for route in self.routes])
mp = ''
else:
nlri = ''
mp = MPRNLRI(self.routes).pack()
# FIXME: needs same fix as below for next hop ?
attr = self.routes[0].attributes.bgp_announce(asn4, local_asn,
remote_asn)
return self._message(prefix('') + prefix(attr + mp) + nlri)
def update (self,asn4,local_asn,remote_asn):
if self.afi == AFI.ipv4 and self.safi in [SAFI.unicast, SAFI.multicast]:
nlri = ''.join([route.nlri.pack() for route in self.routes])
mp = ''
attr = self.routes[0].attributes.bgp_announce(asn4,local_asn,remote_asn)
else:
nlri = ''
#mp = MPURNLRI(self.routes).pack() + MPRNLRI(self.routes).pack()
mp = MPRNLRI(self.routes).pack()
# remove NEXT_HOP from attributes, because it's already been encoded in the MPNLRI
if AttributeID.NEXT_HOP not in self.routes[0].attributes:
raise Exception("Routes advertised need a NEXT_HOP attribute")
attributes = deepcopy(self.routes[0].attributes)
del attributes[AttributeID.NEXT_HOP]
attr = attributes.bgp_announce(asn4,local_asn,remote_asn)
return self._message(prefix(nlri) + prefix(attr + mp) + nlri)
def update(self, asn4, local_asn, remote_asn):
if self.afi == AFI.ipv4 and self.safi in [
SAFI.unicast, SAFI.multicast
]:
nlri = ''.join([route.nlri.pack() for route in self.routes])
mp = ''
attr = self.routes[0].attributes.bgp_announce(
asn4, local_asn, remote_asn)
else:
nlri = ''
#mp = MPURNLRI(self.routes).pack() + MPRNLRI(self.routes).pack()
mp = MPRNLRI(self.routes).pack()
# remove NEXT_HOP from attributes, because it's already been encoded in the MPNLRI
if AttributeID.NEXT_HOP not in self.routes[0].attributes:
raise Exception("Routes advertised need a NEXT_HOP attribute")
attributes = deepcopy(self.routes[0].attributes)
del attributes[AttributeID.NEXT_HOP]
attr = attributes.bgp_announce(asn4, local_asn, remote_asn)
return self._message(prefix(nlri) + prefix(attr + mp) + nlri)
