import socket
import unittest
import time
+import re
from scapy.packet import Raw
from scapy.layers.l2 import Ether
-from scapy.layers.inet import IP, UDP
+from scapy.layers.inet import IP, TCP, UDP
from scapy.layers.inet6 import IPv6
from framework import VppTestCase, VppTestRunner, running_extended_tests
from vpp_pg_interface import CaptureTimeoutError
from util import ppp
from ipfix import IPFIX, Set, Template, Data, IPFIXDecoder
+from vpp_ip_route import VppIpRoute, VppRoutePath
class VppCFLOW(VppObject):
super(MethodHolder, cls).setUpClass()
try:
# Create pg interfaces
- cls.create_pg_interfaces(range(7))
+ cls.create_pg_interfaces(range(9))
# Packet sizes
cls.pg_if_packet_sizes = [64, 512, 1518, 9018]
cls.pg3.resolve_arp()
cls.pg4.config_ip4()
cls.pg4.resolve_arp()
+ cls.pg7.config_ip4()
+ cls.pg8.config_ip4()
+ cls.pg8.configure_ipv4_neighbors()
cls.pg5.config_ip6()
cls.pg5.resolve_ndp()
p /= IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4)
else:
p /= IPv6(src=src_if.remote_ip6, dst=dst_if.remote_ip6)
- p /= (UDP(sport=1234, dport=4321) / Raw(payload))
+ p /= UDP(sport=1234, dport=4321)
+ p /= Raw(payload)
info.data = p.copy()
self.extend_packet(p, pkt_size)
self.pkts.append(p)
return p
-class Timers(MethodHolder):
+class Flowprobe(MethodHolder):
"""Template verification, timer tests"""
def test_0001(self):
""" timer less than template timeout"""
- self.logger.info("FFP_TEST_START_0002")
+ self.logger.info("FFP_TEST_START_0001")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder)
- self.create_stream(packets=2)
+ self.create_stream(packets=1)
self.send_packets()
- capture = self.pg2.get_capture(2)
+ capture = self.pg2.get_capture(1)
# make sure the one packet we expect actually showed up
cflow = self.wait_for_cflow_packet(self.collector, templates[1], 15)
self.verify_cflow_data(ipfix_decoder, capture, cflow)
ipfix.remove_vpp_config()
- self.logger.info("FFP_TEST_FINISH_0002")
+ self.logger.info("FFP_TEST_FINISH_0001")
def test_0002(self):
""" timer greater than template timeout"""
- self.logger.info("FFP_TEST_START_0003")
+ self.logger.info("FFP_TEST_START_0002")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
self.verify_cflow_data(ipfix_decoder, capture, cflow)
ipfix.remove_vpp_config()
- self.logger.info("FFP_TEST_FINISH_0003")
+ self.logger.info("FFP_TEST_FINISH_0002")
+
+ def test_cflow_packet(self):
+ """verify cflow packet fields"""
+ self.logger.info("FFP_TEST_START_0000")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, intf='pg8', datapath="ip4",
+ layer='l2 l3 l4', active=2)
+ ipfix.add_vpp_config()
+
+ route_9001 = VppIpRoute(self, "9.0.0.0", 24,
+ [VppRoutePath(self.pg8._remote_hosts[0].ip4,
+ self.pg8.sw_if_index)])
+ route_9001.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ templates = ipfix.verify_templates(ipfix_decoder, count=1)
+
+ self.pkts = [(Ether(dst=self.pg7.local_mac,
+ src=self.pg7.remote_mac) /
+ IP(src=self.pg7.remote_ip4, dst="9.0.0.100") /
+ TCP(sport=1234, dport=4321, flags=80) /
+ Raw('\xa5' * 100))]
+
+ nowUTC = int(time.time())
+ nowUNIX = nowUTC+2208988800
+ self.send_packets(src_if=self.pg7, dst_if=self.pg8)
+
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0], 10)
+ self.collector.get_capture(2)
+
+ if cflow[0].haslayer(IPFIX):
+ self.assertEqual(cflow[IPFIX].version, 10)
+ self.assertEqual(cflow[IPFIX].observationDomainID, 1)
+ self.assertEqual(cflow[IPFIX].sequenceNumber, 0)
+ self.assertAlmostEqual(cflow[IPFIX].exportTime, nowUTC, delta=5)
+ if cflow.haslayer(Data):
+ record = ipfix_decoder.decode_data_set(cflow[0].getlayer(Set))[0]
+ # ingress interface
+ self.assertEqual(int(record[10].encode('hex'), 16), 8)
+ # egress interface
+ self.assertEqual(int(record[14].encode('hex'), 16), 9)
+ # packets
+ self.assertEqual(int(record[2].encode('hex'), 16), 1)
+ # src mac
+ self.assertEqual(':'.join(re.findall('..', record[56].encode(
+ 'hex'))), self.pg8.local_mac)
+ # dst mac
+ self.assertEqual(':'.join(re.findall('..', record[80].encode(
+ 'hex'))), self.pg8.remote_mac)
+ flowTimestamp = int(record[156].encode('hex'), 16) >> 32
+ # flow start timestamp
+ self.assertAlmostEqual(flowTimestamp, nowUNIX, delta=1)
+ flowTimestamp = int(record[157].encode('hex'), 16) >> 32
+ # flow end timestamp
+ self.assertAlmostEqual(flowTimestamp, nowUNIX, delta=1)
+ # ethernet type
+ self.assertEqual(int(record[256].encode('hex'), 16), 8)
+ # src ip
+ self.assertEqual('.'.join(re.findall('..', record[8].encode(
+ 'hex'))),
+ '.'.join('{:02x}'.format(int(n)) for n in
+ self.pg7.remote_ip4.split('.')))
+ # dst ip
+ self.assertEqual('.'.join(re.findall('..', record[12].encode(
+ 'hex'))),
+ '.'.join('{:02x}'.format(int(n)) for n in
+ "9.0.0.100".split('.')))
+ # protocol (TCP)
+ self.assertEqual(int(record[4].encode('hex'), 16), 6)
+ # src port
+ self.assertEqual(int(record[7].encode('hex'), 16), 1234)
+ # dst port
+ self.assertEqual(int(record[11].encode('hex'), 16), 4321)
+ # tcp flags
+ self.assertEqual(int(record[6].encode('hex'), 16), 80)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0000")
class Datapath(MethodHolder):
Code Review / vpp.git / blobdiff