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from config import config
from framework import VppTestCase
from asfframework import VppTestRunner
import unittest
from scapy.layers.l2 import Ether
from scapy.layers.inet import UDP
from scapy.layers.inet6 import IPv6
from random import randint
# TODO: get an actual output from "show ip6 connection-tracker"
@unittest.skipIf("ct6" in config.excluded_plugins, "Exclude CT6 plugin tests")
class TestCt6(VppTestCase):
"""CT6 plugin tests"""
@classmethod
def setUpClass(cls):
super(TestCt6, cls).setUpClass()
try:
cls.create_pg_interfaces(range(2))
for i in cls.pg_interfaces:
i.config_ip6().resolve_ndp()
i.admin_up()
except Exception:
cls.tearDownClass()
raise
@classmethod
def tearDownClass(cls):
super(TestCt6, cls).tearDownClass()
def create_stream(self, src_if, dst_if, count):
packets = []
for i in range(count):
p = (
Ether(src=src_if.remote_mac, dst=src_if.local_mac)
/ IPv6(src=src_if.remote_ip6, dst=dst_if.remote_ip6)
/ UDP(sport=randint(49152, 65535), dport=5678, chksum=0)
)
packets.append(p)
return packets
def test_ct6_vapi(self):
self.vapi.ct6_enable_disable(enable_disable=True, is_inside=True, sw_if_index=1)
self.vapi.ct6_enable_disable(
enable_disable=True, is_inside=False, sw_if_index=1
)
packets = self.create_stream(self.pg0, self.pg1, 5)
self.pg0.add_stream(packets)
self.pg_start()
self.vapi.ct6_enable_disable(1234, 567, True, True, "pg0", "disable")
def test_ct6_cli(self):
self.vapi.cli("set ct6 outside pg1")
self.vapi.cli("set ct6 inside pg1")
packets = self.create_stream(self.pg0, self.pg1, 5)
self.pg0.add_stream(packets)
self.pg_start()
reply = self.vapi.cli("show ip6 connection-tracker")
self.assertIn("Thread 0", reply)
reply = self.vapi.cli("test ip6 connection-tracker")
self.assertIn("End state", reply)
self.vapi.cli("set ct6 inside pg1 disable")
if __name__ == "__main__":
unittest.main(testRunner=VppTestRunner)
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