120 lines
3.9 KiB
Python
120 lines
3.9 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (c) 2021, The OpenThread Authors.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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import logging
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import unittest
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import pktverify
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from pktverify import packet_verifier
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import config
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import thread_cert
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# Test description:
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# The purpose of this test is to verify the Router's routing behavior using LLA as source address.
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#
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# Topology:
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#
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#
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# ROUTER_2 ----- ROUTER_1 ---- ROUTER_3
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#
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#
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ROUTER_1 = 1
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ROUTER_2 = 2
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ROUTER_3 = 3
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class TestPing(thread_cert.TestCase):
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USE_MESSAGE_FACTORY = False
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SUPPORT_NCP = False
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TOPOLOGY = {
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ROUTER_1: {
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'name': 'Router_1',
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'allowlist': [ROUTER_2, ROUTER_3],
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},
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ROUTER_2: {
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'name': 'Router_2',
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'allowlist': [ROUTER_1],
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},
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ROUTER_3: {
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'name': 'Router_3',
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'allowlist': [ROUTER_1],
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},
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}
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def test(self):
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router1 = self.nodes[ROUTER_1]
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router2 = self.nodes[ROUTER_2]
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router3 = self.nodes[ROUTER_3]
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router1.start()
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self.simulator.go(config.LEADER_STARTUP_DELAY)
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self.assertEqual('leader', router1.get_state())
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router2.start()
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self.simulator.go(config.ROUTER_STARTUP_DELAY)
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self.assertEqual('router', router2.get_state())
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router3.start()
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self.simulator.go(config.ROUTER_STARTUP_DELAY)
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self.assertEqual('router', router3.get_state())
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self.simulator.go(10)
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left, center, right = router2, router1, router3
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left_lla = left.get_ip6_address(config.ADDRESS_TYPE.LINK_LOCAL)
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# Ping a neighbor with LLA src should succeed.
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self.assertTrue(left.ping(center.get_mleid(), interface=left_lla))
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self.simulator.go(3)
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# Ping a non-neighbor with LLA src should fail.
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self.assertFalse(left.ping(right.get_mleid(), interface=left_lla))
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self.simulator.go(3)
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center.add_route('2001::/64', stable=True)
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center.register_netdata()
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self.simulator.go(3)
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# Make sure external routes are not used for LLA src.
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self.assertFalse(left.ping("2001::1", interface=left_lla))
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self.simulator.go(3)
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def verify(self, pv: pktverify.packet_verifier.PacketVerifier):
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pkts = pv.pkts
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# Make sure the Ping Request to 2001::1 was not sent
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pkts.filter_ipv6_dst('2001::1').filter_ping_request().must_not_next()
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if __name__ == '__main__':
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unittest.main()
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