import socket
-import unittest
-from logging import *
from scapy.layers.inet import IP, UDP
from scapy.layers.inet6 import IPv6
from scapy.packet import Raw
from framework import VppTestCase
+from util import ppp
""" TestLB is a subclass of VPPTestCase classes.
def tearDown(self):
super(TestLB, self).tearDown()
if not self.vpp_dead:
- info(self.vapi.cli("show lb vip verbose"))
+ self.logger.info(self.vapi.cli("show lb vip verbose"))
def getIPv4Flow(self, id):
return (IP(dst="90.0.%u.%u" % (id / 255, id % 255),
UDP(sport=10000 + id, dport=20000 + id))
def generatePackets(self, src_if, isv4):
+ self.reset_packet_infos()
pkts = []
for pktid in self.packets:
- info = self.create_packet_info(src_if.sw_if_index, pktid)
+ info = self.create_packet_info(src_if, self.pg1)
payload = self.info_to_payload(info)
ip = self.getIPv4Flow(pktid) if isv4 else self.getIPv6Flow(pktid)
packet = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
self.assertEqual(gre.version, 0)
inner = IPver(str(gre.payload))
payload_info = self.payload_to_info(str(inner[Raw]))
- packet_index = payload_info.index
- self.info = self.get_next_packet_info_for_interface2(self.pg0.sw_if_index,
- payload_info.dst,
- self.info)
+ self.info = self.packet_infos[payload_info.index]
+ self.assertEqual(payload_info.src, self.pg0.sw_if_index)
self.assertEqual(str(inner), str(self.info.data[IPver]))
def checkCapture(self, gre4, isv4):
- out = self.pg0.get_capture()
- # This check is edited because RA appears in output, maybe disable RA?
- # self.assertEqual(len(out), 0)
- self.assertLess(len(out), 20)
- out = self.pg1.get_capture()
- self.assertEqual(len(out), len(self.packets))
+ self.pg0.assert_nothing_captured()
+ out = self.pg1.get_capture(len(self.packets))
load = [0] * len(self.ass)
self.info = None
self.checkInner(gre, isv4)
load[asid] += 1
except:
- error("Unexpected or invalid packet:")
- p.show()
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
raise
# This is just to roughly check that the balancing algorithm
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- # Scapy fails parsing GRE over IPv6.
- # This check is therefore disabled for now.
- # One can easily patch layers/inet6.py to fix the issue.
self.checkCapture(gre4=False, isv4=True)
finally:
for asid in self.ass: