| #!/usr/bin/env python3 |
| # |
| # Copyright (c) 2021, The OpenThread Authors. |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are met: |
| # 1. Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # 2. Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # 3. Neither the name of the copyright holder nor the |
| # names of its contributors may be used to endorse or promote products |
| # derived from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' |
| # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| # POSSIBILITY OF SUCH DAMAGE. |
| # |
| |
| import logging |
| import unittest |
| |
| import pktverify |
| from pktverify import packet_verifier |
| import config |
| import thread_cert |
| |
| # Test description: |
| # The purpose of this test is to verify the Router's routing behavior using LLA as source address. |
| # |
| # Topology: |
| # |
| # |
| # ROUTER_2 ----- ROUTER_1 ---- ROUTER_3 |
| # |
| # |
| |
| ROUTER_1 = 1 |
| ROUTER_2 = 2 |
| ROUTER_3 = 3 |
| |
| |
| class TestPing(thread_cert.TestCase): |
| USE_MESSAGE_FACTORY = False |
| SUPPORT_NCP = False |
| |
| TOPOLOGY = { |
| ROUTER_1: { |
| 'name': 'Router_1', |
| 'allowlist': [ROUTER_2, ROUTER_3], |
| }, |
| ROUTER_2: { |
| 'name': 'Router_2', |
| 'allowlist': [ROUTER_1], |
| }, |
| ROUTER_3: { |
| 'name': 'Router_3', |
| 'allowlist': [ROUTER_1], |
| }, |
| } |
| |
| def test(self): |
| router1 = self.nodes[ROUTER_1] |
| router2 = self.nodes[ROUTER_2] |
| router3 = self.nodes[ROUTER_3] |
| |
| router1.start() |
| self.simulator.go(5) |
| self.assertEqual('leader', router1.get_state()) |
| |
| router2.start() |
| self.simulator.go(5) |
| self.assertEqual('router', router2.get_state()) |
| |
| router3.start() |
| self.simulator.go(5) |
| self.assertEqual('router', router3.get_state()) |
| |
| self.simulator.go(10) |
| |
| left, center, right = router2, router1, router3 |
| |
| left_lla = left.get_ip6_address(config.ADDRESS_TYPE.LINK_LOCAL) |
| |
| # Ping a neighbor with LLA src should succeed. |
| self.assertTrue(left.ping(center.get_mleid(), interface=left_lla)) |
| self.simulator.go(3) |
| |
| # Ping a non-neighbor with LLA src should fail. |
| self.assertFalse(left.ping(right.get_mleid(), interface=left_lla)) |
| self.simulator.go(3) |
| |
| center.add_route('2001::/64', stable=True) |
| center.register_netdata() |
| |
| self.simulator.go(3) |
| |
| # Make sure external routes are not used for LLA src. |
| self.assertFalse(left.ping("2001::1", interface=left_lla)) |
| self.simulator.go(3) |
| |
| def verify(self, pv: pktverify.packet_verifier.PacketVerifier): |
| pkts = pv.pkts |
| # Make sure the Ping Request to 2001::1 was not sent |
| pkts.filter_ipv6_dst('2001::1').filter_ping_request().must_not_next() |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |