import unittest
-from framework import VppTestCase, VppTestRunner, running_extended_tests
-from vpp_igmp import *
+from scapy.layers.l2 import Ether, Raw
+from scapy.layers.inet import IP, IPOption
+from scapy.contrib.igmpv3 import IGMPv3, IGMPv3gr, IGMPv3mq, IGMPv3mr
-from scapy.layers.l2 import Ether
-from scapy.layers.inet import IP
-from scapy.contrib.igmpv3 import *
-from scapy.contrib.igmp import *
+from framework import VppTestCase, VppTestRunner, running_extended_tests
+from vpp_igmp import find_igmp_state, IGMP_FILTER, IgmpRecord, IGMP_MODE, \
+ IgmpSG, VppHostState, wait_for_igmp_event
from vpp_ip_route import find_mroute, VppIpTable
class TestIgmp(VppTestCase):
""" IGMP Test Case """
+ @classmethod
+ def setUpClass(cls):
+ super(TestIgmp, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIgmp, cls).tearDownClass()
+
def setUp(self):
super(TestIgmp, self).setUp()
#
# Send a general query (to the all router's address)
- # expect VPP to respond with a membership report
+ # expect VPP to respond with a membership report.
+ # Pad the query with 0 - some devices in the big wild
+ # internet are prone to this.
#
p_g = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
IP(src=self.pg0.remote_ip4, dst='224.0.0.1', tos=0xc0) /
IGMPv3(type="Membership Query", mrcode=100) /
- IGMPv3mq(gaddr="0.0.0.0"))
+ IGMPv3mq(gaddr="0.0.0.0") /
+ Raw('\x00' * 10))
self.send(self.pg0, p_g)
self.verify_report(capture[0],
[IgmpRecord(h1.sg, "Mode Is Include")])
+ #
+ # A group and source specific query that reports more sources
+ # than the packet actually has.
+ #
+ p_gs2 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst='239.1.1.1', tos=0xc0,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Membership Query", mrcode=100) /
+ IGMPv3mq(gaddr="239.1.1.1", numsrc=4, srcaddrs=["1.1.1.1"]))
+
+ self.send_and_assert_no_replies(self.pg0, p_gs2, timeout=10)
+
#
# A group and source specific query, with the source NOT matching
# the source VPP has. There should be no response.
[IgmpRecord(h1.sg, "Mode Is Include")])
#
- # Two source and group specific queires in qucik sucession, the
+ # Two source and group specific queries in quick succession, the
# first does not have VPPs source the second does. then vice-versa
#
self.send(self.pg0, [p_gs2, p_gs1])
#
# resend the join. wait for two queries and then send a current-state
- # record to include all sources. this should reset the exiry time
+ # record to include all sources. this should reset the expiry time
# on the sources and thus they will still be present in 2 seconds time.
# If the source timer was not refreshed, then the state would have
# expired in 3 seconds.
self.assertFalse(self.vapi.igmp_dump())
#
- # resend the join, then a leave. Router sends a gruop+source
+ # resend the join, then a leave. Router sends a group+source
# specific query containing both sources
#
self.send(self.pg0, p_j)
"239.1.1.3", "0.0.0.0", 1))
#
- # A 'allow sourcees' for {} should be ignored as it should
+ # A 'allow sources' for {} should be ignored as it should
# never be sent.
#
p_j = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /