From e3d52803149d58737aad38435361e692d70c9d7a Mon Sep 17 00:00:00 2001 From: Andrew Yourtchenko Date: Fri, 24 Mar 2017 17:46:42 +0100 Subject: VPP-669: ping: fix coverity check error 165075 + add ping testcase Fix the bug and add the unit test to start with ping test coverage Change-Id: Ibeacbed1f1660e677faa2dbb2ebe386216693e96 Signed-off-by: Andrew Yourtchenko --- src/vnet/ip/ping.c | 2 +- test/test_ping.py | 118 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 119 insertions(+), 1 deletion(-) create mode 100644 test/test_ping.py diff --git a/src/vnet/ip/ping.c b/src/vnet/ip/ping.c index 4131bd710a3..4a7fdd6cba6 100644 --- a/src/vnet/ip/ping.c +++ b/src/vnet/ip/ping.c @@ -835,7 +835,7 @@ ping_ip_address (vlib_main_t * vm, run_ping_ip46_address (vm, table_id, ping_ip4 ? &a4 : NULL, ping_ip6 ? &a6 : NULL, sw_if_index, ping_interval, - ping_repeat, ping_burst, data_len, verbose); + ping_repeat, data_len, ping_burst, verbose); done: return error; } diff --git a/test/test_ping.py b/test/test_ping.py new file mode 100644 index 00000000000..4f3921e992e --- /dev/null +++ b/test/test_ping.py @@ -0,0 +1,118 @@ +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") -- cgit 1.2.3-korg