from vpp_srv6 import SRv6LocalSIDBehaviors, VppSRv6LocalSID, VppSRv6Policy, \
SRv6PolicyType, VppSRv6Steering, SRv6PolicySteeringTypes
+import scapy.compat
from scapy.packet import Raw
from scapy.layers.l2 import Ether, Dot1Q
from scapy.layers.inet6 import IPv6, UDP, IPv6ExtHdrSegmentRouting
""" SRv6 Test Case """
@classmethod
- def setUpClass(self):
- super(TestSRv6, self).setUpClass()
+ def setUpClass(cls):
+ super(TestSRv6, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestSRv6, cls).tearDownClass()
def setUp(self):
""" Perform test setup before each test case.
# add classify table
# mask on dst ip address prefix a7::/8
- mask = '{:0<16}'.format('ff')
+ mask = '{!s:0<16}'.format('ff')
r = self.vapi.classify_add_del_table(
1,
binascii.unhexlify(mask),
self.assertIsNotNone(r, 'No response msg for add_del_table')
table_index = r.new_table_index
- # add the source routign node as a ip6 inacl netxt node
+ # add the source routing node as a ip6 inacl netxt node
r = self.vapi.add_node_next('ip6-inacl',
'sr-pl-rewrite-insert')
inacl_next_node_index = r.node_index
- match = '{:0<16}'.format('a7')
+ match = '{!s:0<16}'.format('a7')
r = self.vapi.classify_add_del_session(
1,
table_index,
tx_ip.chksum = None
# read back the pkt (with str()) to force computing these fields
# probably other ways to accomplish this are possible
- tx_ip = IP(str(tx_ip))
+ tx_ip = IP(scapy.compat.raw(tx_ip))
self.assertEqual(rx_srh.payload, tx_ip)
self.assertEqual(rx_srh.nh, 59)
# the whole rx'ed pkt beyond SRH should be equal to tx'ed pkt
- self.assertEqual(Ether(str(rx_srh.payload)), tx_ether)
+ self.assertEqual(Ether(scapy.compat.raw(rx_srh.payload)), tx_ether)
self.logger.debug("packet verification: SUCCESS")
tx_ip2.chksum = None
# read back the pkt (with str()) to force computing these fields
# probably other ways to accomplish this are possible
- tx_ip2 = IP(str(tx_ip2))
+ tx_ip2 = IP(scapy.compat.raw(tx_ip2))
self.assertEqual(rx_ip, tx_ip2)
tx_ip = tx_pkt.getlayer(IPv6)
# we can't just get the 2nd Ether layer
# get the Raw content and dissect it as Ether
- tx_eth1 = Ether(str(tx_pkt[Raw]))
+ tx_eth1 = Ether(scapy.compat.raw(tx_pkt[Raw]))
# verify if rx'ed packet has no SRH
self.assertFalse(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
# read back the dumped packet (with str())
# to force computing these fields
# probably other ways are possible
- p = Ether(str(p))
+ p = Ether(scapy.compat.raw(p))
payload_info.data = p.copy()
self.logger.debug(ppp("Created packet:", p))
pkts.append(p)
# but packet[Raw] gives the complete payload
# (incl L2 header) for the T.Encaps L2 case
try:
- payload_info = self.payload_to_info(str(packet[Raw]))
+ payload_info = self.payload_to_info(packet[Raw])
except:
# remote L2 header from packet[Raw]:
# take packet[Raw], convert it to an Ether layer
# and then extract Raw from it
payload_info = self.payload_to_info(
- str(Ether(str(packet[Raw]))[Raw]))
+ Ether(scapy.compat.r(packet[Raw]))[Raw])
return payload_info
:param compare_func: function to compare in and out packet
"""
self.logger.info("Verifying capture on interface %s using function %s"
- % (dst_if.name, compare_func.func_name))
+ % (dst_if.name, compare_func.__name__))
last_info = dict()
for i in self.pg_interfaces: