def new_open(self, restarted, asn4, config, enabledFamilies=[]):
'''Same as exabgp.Protocol.new_open except that we advertise support
for MPLS VPN and RTC'''
asn = self.neighbor.local_as
# (we don't support ASN4)
o = Open(4, asn, self.neighbor.router_id.ip, Capabilities()
.default(self.neighbor, restarted), self.neighbor.hold_time)
o.capabilities[Capabilities.MULTIPROTOCOL_EXTENSIONS].remove(
(AFI(AFI.ipv4), SAFI(SAFI.flow_ipv4)))
o.capabilities[Capabilities.MULTIPROTOCOL_EXTENSIONS].remove(
(AFI(AFI.ipv4), SAFI(SAFI.unicast)))
o.capabilities[Capabilities.MULTIPROTOCOL_EXTENSIONS].remove(
(AFI(AFI.ipv6), SAFI(SAFI.unicast)))
for afi_safi in enabledFamilies:
o.capabilities[
Capabilities.MULTIPROTOCOL_EXTENSIONS].append(afi_safi)
if config['enable_rtc']:
o.capabilities[Capabilities.MULTIPROTOCOL_EXTENSIONS].append(
(AFI(AFI.ipv4), SAFI(SAFI.rtc)))
if not self.connection.write(o.message()):
raise Exception("Error while sending open")
return o
def new_open(self, restarted, asn4, config, enabledFamilies=[]):
'''Same as exabgp.Protocol.new_open except that we advertise support
for MPLS VPN and RTC'''
asn = self.neighbor.local_as
# (we don't support ASN4)
o = Open(4, asn, self.neighbor.router_id.ip,
Capabilities().default(self.neighbor, restarted),
self.neighbor.hold_time)
o.capabilities[Capabilities.MULTIPROTOCOL_EXTENSIONS].remove(
(AFI(AFI.ipv4), SAFI(SAFI.flow_ipv4)))
o.capabilities[Capabilities.MULTIPROTOCOL_EXTENSIONS].remove(
(AFI(AFI.ipv4), SAFI(SAFI.unicast)))
o.capabilities[Capabilities.MULTIPROTOCOL_EXTENSIONS].remove(
(AFI(AFI.ipv6), SAFI(SAFI.unicast)))
for afi_safi in enabledFamilies:
o.capabilities[Capabilities.MULTIPROTOCOL_EXTENSIONS].append(
afi_safi)
if config['enable_rtc']:
o.capabilities[Capabilities.MULTIPROTOCOL_EXTENSIONS].append(
(AFI(AFI.ipv4), SAFI(SAFI.rtc)))
if not self.connection.write(o.message()):
raise Exception("Error while sending open")
return o
def new_open (self,restarted,asn4):
if asn4:
asn = self.neighbor.local_as
else:
asn = AS_TRANS
o = Open(4,asn,self.neighbor.router_id.ip,Capabilities().default(self.neighbor,restarted),self.neighbor.hold_time)
if not self.connection.write(o.message()):
raise Failure('Could not send open')
return o
def new_open(self, restarted, asn4):
if asn4:
asn = self.neighbor.local_as
else:
asn = AS_TRANS
o = Open(4, asn, self.neighbor.router_id.ip,
Capabilities().default(self.neighbor, restarted),
self.neighbor.hold_time)
if not self.connection.write(o.message()):
raise Failure('Could not send open')
return o
def OpenFactory(self, data):
version = ord(data[0])
if version != 4:
# Only version 4 is supported nowdays..
raise Notify(2, 1, data[0])
asn = unpack('!H', data[1:3])[0]
hold_time = unpack('!H', data[3:5])[0]
numeric = unpack('!L', data[5:9])[0]
router_id = "%d.%d.%d.%d" % (numeric >> 24, (numeric >> 16) & 0xFF,
(numeric >> 8) & 0xFF, numeric & 0xFF)
capabilities = self.CapabilitiesFactory(data[9:])
return Open(version, asn, router_id, capabilities, hold_time)
