| #!/usr/bin/env python3 |
| # |
| # Copyright (c) 2020, 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 config |
| import thread_cert |
| |
| # Test description: |
| # This test verifies bi-directional connectivity between Thread end device |
| # and infra host. |
| # |
| # Topology: |
| # ----------------(eth)-------------------- |
| # | | |
| # BR (Leader) HOST |
| # | |
| # ROUTER |
| # |
| |
| BR = 1 |
| ROUTER = 2 |
| HOST = 3 |
| |
| # The two prefixes are set small enough that a random-generated OMR prefix is |
| # very likely greater than them. So that the BR will remove the random-generated one. |
| ON_MESH_PREFIX1 = "fd00:00:00:01::/64" |
| ON_MESH_PREFIX2 = "fd00:00:00:02::/64" |
| |
| |
| class SingleBorderRouter(thread_cert.TestCase): |
| USE_MESSAGE_FACTORY = False |
| |
| TOPOLOGY = { |
| BR: { |
| 'name': 'BR', |
| 'allowlist': [ROUTER], |
| 'is_otbr': True, |
| 'version': '1.2', |
| }, |
| ROUTER: { |
| 'name': 'Router', |
| 'allowlist': [BR], |
| 'version': '1.2', |
| }, |
| HOST: { |
| 'name': 'Host', |
| 'is_host': True |
| }, |
| } |
| |
| def test(self): |
| br = self.nodes[BR] |
| router = self.nodes[ROUTER] |
| host = self.nodes[HOST] |
| |
| host.start(start_radvd=False) |
| self.simulator.go(5) |
| |
| br.start() |
| self.simulator.go(5) |
| self.assertEqual('leader', br.get_state()) |
| |
| router.start() |
| self.simulator.go(5) |
| self.assertEqual('router', router.get_state()) |
| |
| # |
| # Case 1. There is no OMR prefix or on-link prefix. |
| # |
| |
| self.simulator.go(10) |
| self.collect_ipaddrs() |
| |
| logging.info("BR addrs: %r", br.get_addrs()) |
| logging.info("ROUTER addrs: %r", router.get_addrs()) |
| logging.info("HOST addrs: %r", host.get_addrs()) |
| |
| self.assertEqual(len(br.get_netdata_omr_prefixes()), 1) |
| self.assertEqual(len(router.get_netdata_omr_prefixes()), 1) |
| self.assertEqual(len(br.get_netdata_non_nat64_prefixes()), 1) |
| self.assertEqual(len(router.get_netdata_non_nat64_prefixes()), 1) |
| |
| omr_prefix = br.get_br_omr_prefix() |
| on_link_prefix = br.get_br_on_link_prefix() |
| |
| self.assertEqual(len(br.get_ip6_address(config.ADDRESS_TYPE.OMR)), 1) |
| self.assertEqual(len(router.get_ip6_address(config.ADDRESS_TYPE.OMR)), 1) |
| self.assertEqual(len(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)), 1) |
| |
| br1_omr_address = br.get_ip6_address(config.ADDRESS_TYPE.OMR)[0] |
| router1_omr_address = router.get_ip6_address(config.ADDRESS_TYPE.OMR)[0] |
| host_ula_address = host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)[0] |
| |
| # Router1 can ping to/from the Host on infra link. |
| self.assertTrue(router.ping(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)[0])) |
| self.assertTrue(host.ping(router.get_ip6_address(config.ADDRESS_TYPE.OMR)[0], backbone=True)) |
| |
| # |
| # Case 2. User adds smaller on-mesh prefix. |
| # 1. Should deregister our local OMR prefix. |
| # 2. Should re-register our local OMR prefix when user prefix |
| # is removed. |
| # |
| |
| br.add_prefix(ON_MESH_PREFIX1) |
| br.add_prefix(ON_MESH_PREFIX2) |
| br.register_netdata() |
| |
| self.simulator.go(10) |
| self.collect_ipaddrs() |
| |
| logging.info("BR addrs: %r", br.get_addrs()) |
| logging.info("ROUTER addrs: %r", router.get_addrs()) |
| logging.info("HOST addrs: %r", host.get_addrs()) |
| |
| self.assertGreaterEqual(len(host.get_addrs()), 2) |
| |
| self.assertEqual(len(br.get_netdata_omr_prefixes()), 2) |
| self.assertEqual(len(router.get_netdata_omr_prefixes()), 2) |
| self.assertEqual(len(br.get_netdata_non_nat64_prefixes()), 1) |
| self.assertEqual(len(router.get_netdata_non_nat64_prefixes()), 1) |
| |
| self.assertEqual(len(br.get_ip6_address(config.ADDRESS_TYPE.OMR)), 2) |
| self.assertEqual(len(router.get_ip6_address(config.ADDRESS_TYPE.OMR)), 2) |
| self.assertEqual(len(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)), 1) |
| |
| # Router1 can ping to/from the Host on infra link. |
| self.assertTrue(router.ping(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)[0])) |
| self.assertTrue(host.ping(router.get_ip6_address(config.ADDRESS_TYPE.OMR)[0], backbone=True)) |
| self.assertTrue(host.ping(router.get_ip6_address(config.ADDRESS_TYPE.OMR)[1], backbone=True)) |
| |
| # Remove user prefixes, should re-register local OMR prefix. |
| br.remove_prefix(ON_MESH_PREFIX1) |
| br.remove_prefix(ON_MESH_PREFIX2) |
| br.register_netdata() |
| |
| self.simulator.go(10) |
| self.collect_ipaddrs() |
| |
| logging.info("BR addrs: %r", br.get_addrs()) |
| logging.info("ROUTER addrs: %r", router.get_addrs()) |
| logging.info("HOST addrs: %r", host.get_addrs()) |
| |
| self.assertEqual(len(br.get_netdata_omr_prefixes()), 1) |
| self.assertEqual(len(router.get_netdata_omr_prefixes()), 1) |
| self.assertEqual(len(br.get_netdata_non_nat64_prefixes()), 1) |
| self.assertEqual(len(router.get_netdata_non_nat64_prefixes()), 1) |
| |
| # The same local OMR and on-link prefix should be re-register. |
| self.assertEqual(br.get_netdata_omr_prefixes(), [omr_prefix]) |
| self.assertEqual(router.get_netdata_omr_prefixes(), [omr_prefix]) |
| self.assertEqual(br.get_netdata_non_nat64_prefixes(), [on_link_prefix]) |
| self.assertEqual(router.get_netdata_non_nat64_prefixes(), [on_link_prefix]) |
| |
| self.assertEqual(len(br.get_ip6_address(config.ADDRESS_TYPE.OMR)), 1) |
| self.assertEqual(len(router.get_ip6_address(config.ADDRESS_TYPE.OMR)), 1) |
| self.assertEqual(len(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)), 1) |
| |
| self.assertEqual(br.get_ip6_address(config.ADDRESS_TYPE.OMR), [br1_omr_address]) |
| self.assertEqual(router.get_ip6_address(config.ADDRESS_TYPE.OMR), [router1_omr_address]) |
| self.assertEqual(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA), [host_ula_address]) |
| |
| # Router1 can ping to/from the Host on infra link. |
| self.assertTrue(router.ping(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)[0])) |
| self.assertTrue(host.ping(router.get_ip6_address(config.ADDRESS_TYPE.OMR)[0], backbone=True)) |
| |
| # |
| # Case 3. OMR and on-link prefixes should be removed when Border Routing is |
| # explicitly disabled and added when Border Routing is enabled again. |
| # |
| |
| br.disable_br() |
| |
| self.simulator.go(10) |
| self.collect_ipaddrs() |
| |
| logging.info("BR addrs: %r", br.get_addrs()) |
| logging.info("ROUTER addrs: %r", router.get_addrs()) |
| logging.info("HOST addrs: %r", host.get_addrs()) |
| |
| self.assertEqual(len(br.get_prefixes()), 0) |
| self.assertEqual(len(router.get_prefixes()), 0) |
| self.assertEqual(len(br.get_routes()), 0) |
| self.assertEqual(len(router.get_routes()), 0) |
| self.assertEqual(len(br.get_ip6_address(config.ADDRESS_TYPE.OMR)), 0) |
| self.assertEqual(len(router.get_ip6_address(config.ADDRESS_TYPE.OMR)), 0) |
| |
| br.enable_br() |
| |
| # It takes around 10 seconds to start sending RA messages. |
| self.simulator.go(15) |
| self.collect_ipaddrs() |
| |
| logging.info("BR addrs: %r", br.get_addrs()) |
| logging.info("ROUTER addrs: %r", router.get_addrs()) |
| logging.info("HOST addrs: %r", host.get_addrs()) |
| |
| self.assertEqual(len(br.get_netdata_omr_prefixes()), 1) |
| self.assertEqual(len(router.get_netdata_omr_prefixes()), 1) |
| self.assertEqual(len(br.get_netdata_non_nat64_prefixes()), 1) |
| self.assertEqual(len(router.get_netdata_non_nat64_prefixes()), 1) |
| |
| # The same local OMR and on-link prefix should be re-registered. |
| self.assertEqual(br.get_netdata_omr_prefixes(), [omr_prefix]) |
| self.assertEqual(router.get_netdata_omr_prefixes(), [omr_prefix]) |
| self.assertEqual(br.get_netdata_non_nat64_prefixes(), [on_link_prefix]) |
| self.assertEqual(router.get_netdata_non_nat64_prefixes(), [on_link_prefix]) |
| |
| self.assertEqual(len(br.get_ip6_address(config.ADDRESS_TYPE.OMR)), 1) |
| self.assertEqual(len(router.get_ip6_address(config.ADDRESS_TYPE.OMR)), 1) |
| self.assertEqual(len(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)), 1) |
| |
| self.assertEqual(br.get_ip6_address(config.ADDRESS_TYPE.OMR), [br1_omr_address]) |
| self.assertEqual(router.get_ip6_address(config.ADDRESS_TYPE.OMR), [router1_omr_address]) |
| self.assertEqual(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA), [host_ula_address]) |
| |
| # Router1 can ping to/from the Host on infra link. |
| self.assertTrue(router.ping(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)[0])) |
| self.assertTrue(host.ping(router.get_ip6_address(config.ADDRESS_TYPE.OMR)[0], backbone=True)) |
| |
| # |
| # Case 4. The Routing Manager should be stopped if the infra interface went down. |
| # |
| |
| br.disable_ether() |
| |
| self.simulator.go(10) |
| self.collect_ipaddrs() |
| |
| logging.info("BR addrs: %r", br.get_addrs()) |
| logging.info("ROUTER addrs: %r", router.get_addrs()) |
| logging.info("HOST addrs: %r", host.get_addrs()) |
| |
| self.assertEqual(len(br.get_prefixes()), 0) |
| self.assertEqual(len(router.get_prefixes()), 0) |
| self.assertEqual(len(br.get_routes()), 0) |
| self.assertEqual(len(router.get_routes()), 0) |
| self.assertEqual(len(br.get_ip6_address(config.ADDRESS_TYPE.OMR)), 0) |
| self.assertEqual(len(router.get_ip6_address(config.ADDRESS_TYPE.OMR)), 0) |
| |
| br.enable_ether() |
| |
| # The routing manager may fail to send RS and will wait for 4 seconds |
| # before retrying. |
| self.simulator.go(20) |
| self.collect_ipaddrs() |
| |
| logging.info("BR addrs: %r", br.get_addrs()) |
| logging.info("ROUTER addrs: %r", router.get_addrs()) |
| logging.info("HOST addrs: %r", host.get_addrs()) |
| |
| self.assertEqual(len(br.get_netdata_omr_prefixes()), 1) |
| self.assertEqual(len(router.get_netdata_omr_prefixes()), 1) |
| self.assertEqual(len(br.get_netdata_non_nat64_prefixes()), 1) |
| self.assertEqual(len(router.get_netdata_non_nat64_prefixes()), 1) |
| |
| # The same local OMR and on-link prefix should be re-registered. |
| self.assertEqual(br.get_netdata_omr_prefixes(), [omr_prefix]) |
| self.assertEqual(router.get_netdata_omr_prefixes(), [omr_prefix]) |
| self.assertEqual(br.get_netdata_non_nat64_prefixes(), [on_link_prefix]) |
| self.assertEqual(router.get_netdata_non_nat64_prefixes(), [on_link_prefix]) |
| |
| self.assertEqual(len(br.get_ip6_address(config.ADDRESS_TYPE.OMR)), 1) |
| self.assertEqual(len(router.get_ip6_address(config.ADDRESS_TYPE.OMR)), 1) |
| self.assertEqual(len(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)), 1) |
| |
| self.assertEqual(br.get_ip6_address(config.ADDRESS_TYPE.OMR), [br1_omr_address]) |
| self.assertEqual(router.get_ip6_address(config.ADDRESS_TYPE.OMR), [router1_omr_address]) |
| self.assertEqual(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA), [host_ula_address]) |
| |
| # Router1 can ping to/from the Host on infra link. |
| self.assertTrue(router.ping(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)[0])) |
| self.assertTrue(host.ping(router.get_ip6_address(config.ADDRESS_TYPE.OMR)[0], backbone=True)) |
| |
| # |
| # Case 5. Test if the linux host is still reachable if rejoin the network. |
| # |
| |
| host.disable_ether() |
| self.simulator.go(10) |
| host.enable_ether() |
| self.simulator.go(10) |
| |
| self.assertTrue(router.ping(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)[0])) |
| self.assertTrue(host.ping(router.get_ip6_address(config.ADDRESS_TYPE.OMR)[0], backbone=True)) |
| |
| # |
| # Case 6. Test if the Border Router will remove the on-link prefix when |
| # another RA daemon is started on the same infra interface. |
| # |
| |
| br.start_radvd_service(prefix=config.ONLINK_GUA_PREFIX, slaac=True) |
| self.simulator.go(5) |
| |
| self.assertEqual(len(br.get_netdata_non_nat64_prefixes()), 2) |
| self.assertEqual(len(router.get_netdata_non_nat64_prefixes()), 2) |
| |
| self.assertTrue(router.ping(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_GUA)[0])) |
| self.assertTrue(router.ping(host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)[0])) |
| self.assertTrue(host.ping(router.get_ip6_address(config.ADDRESS_TYPE.OMR)[0], backbone=True)) |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
