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import socket
from scapy.layers.inet import IP, UDP, ICMP
from scapy.layers.inet6 import IPv6
from scapy.layers.l2 import Ether, GRE
from scapy.packet import Raw
from framework import VppTestCase
from util import ppp
""" TestPing is a subclass of VPPTestCase classes.
Basic test for sanity check of the ping.
"""
class TestPing(VppTestCase):
""" Ping Test Case """
@classmethod
def setUpClass(cls):
super(TestPing, cls).setUpClass()
try:
cls.create_pg_interfaces(range(2))
cls.interfaces = list(cls.pg_interfaces)
for i in cls.interfaces:
i.admin_up()
i.config_ip4()
i.config_ip6()
i.disable_ipv6_ra()
i.resolve_arp()
i.resolve_ndp()
except Exception:
super(TestPing, cls).tearDownClass()
raise
def tearDown(self):
super(TestPing, self).tearDown()
if not self.vpp_dead:
self.vapi.cli("show hardware")
def test_ping_basic(self):
""" basic ping test """
try:
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
self.logger.info(self.vapi.cli("show ip arp"))
self.logger.info(self.vapi.cli("show ip6 neighbors"))
remote_ip4 = self.pg1.remote_ip4
ping_cmd = "ping " + remote_ip4 + " interval 0.01 repeat 10"
ret = self.vapi.cli(ping_cmd)
self.logger.info(ret)
out = self.pg1.get_capture(10)
icmp_id = None
icmp_seq = 1
for p in out:
ip = p[IP]
self.assertEqual(ip.version, 4)
self.assertEqual(ip.flags, 0)
self.assertEqual(ip.src, self.pg1.local_ip4)
self.assertEqual(ip.dst, self.pg1.remote_ip4)
self.assertEqual(ip.proto, 1)
self.assertEqual(len(ip.options), 0)
self.assertGreaterEqual(ip.ttl, 254)
icmp = p[ICMP]
self.assertEqual(icmp.type, 8)
self.assertEqual(icmp.code, 0)
self.assertEqual(icmp.seq, icmp_seq)
icmp_seq = icmp_seq + 1
if icmp_id is None:
icmp_id = icmp.id
else:
self.assertEqual(icmp.id, icmp_id)
finally:
self.vapi.cli("show error")
def test_ping_burst(self):
""" burst ping test """
try:
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
self.logger.info(self.vapi.cli("show ip arp"))
self.logger.info(self.vapi.cli("show ip6 neighbors"))
remote_ip4 = self.pg1.remote_ip4
ping_cmd = "ping " + remote_ip4 + " interval 0.01 burst 3"
ret = self.vapi.cli(ping_cmd)
self.logger.info(ret)
out = self.pg1.get_capture(3*5)
icmp_id = None
icmp_seq = 1
count = 0
for p in out:
ip = p[IP]
self.assertEqual(ip.version, 4)
self.assertEqual(ip.flags, 0)
self.assertEqual(ip.src, self.pg1.local_ip4)
self.assertEqual(ip.dst, self.pg1.remote_ip4)
self.assertEqual(ip.proto, 1)
self.assertEqual(len(ip.options), 0)
self.assertGreaterEqual(ip.ttl, 254)
icmp = p[ICMP]
self.assertEqual(icmp.type, 8)
self.assertEqual(icmp.code, 0)
self.assertEqual(icmp.seq, icmp_seq)
count = count + 1
if count >= 3:
icmp_seq = icmp_seq + 1
count = 0
if icmp_id is None:
icmp_id = icmp.id
else:
self.assertEqual(icmp.id, icmp_id)
finally:
self.vapi.cli("show error")
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