#!/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 from ipaddress import IPv6Network import config import thread_cert # Test description: # This test verifies on-link prefix configuration. # # Topology: # -------------(eth)---------------------------- # | | | # BR1 BR2 HOST # | | # ROUTER1 ROUTER2 # # Thread Net1 Thread Net2 # BR1 = 1 ROUTER1 = 2 BR2 = 3 ROUTER2 = 4 HOST = 5 CHANNEL1 = 18 CHANNEL2 = 19 class MultiThreadNetworks(thread_cert.TestCase): USE_MESSAGE_FACTORY = False TOPOLOGY = { BR1: { 'name': 'BR_1', 'allowlist': [ROUTER1], 'is_otbr': True, 'version': '1.2', 'channel': CHANNEL1, 'router_selection_jitter': 1, 'extended_panid': '0001020304050607' }, ROUTER1: { 'name': 'Router_1', 'allowlist': [BR1], 'version': '1.2', 'channel': CHANNEL1, 'router_selection_jitter': 1, 'extended_panid': '0001020304050607' }, BR2: { 'name': 'BR_2', 'allowlist': [ROUTER2], 'is_otbr': True, 'version': '1.2', 'channel': CHANNEL2, 'router_selection_jitter': 1, 'extended_panid': '08090a0b0c0d0e0f' }, ROUTER2: { 'name': 'Router_2', 'allowlist': [BR2], 'version': '1.2', 'channel': CHANNEL2, 'router_selection_jitter': 1, 'extended_panid': '08090a0b0c0d0e0f' }, HOST: { 'name': 'Host', 'is_host': True }, } def test(self): ON_LINK_PREFIX = 'fd00::/64' br1 = self.nodes[BR1] router1 = self.nodes[ROUTER1] br2 = self.nodes[BR2] router2 = self.nodes[ROUTER2] host = self.nodes[HOST] host.start(start_radvd=True, prefix=ON_LINK_PREFIX, slaac=True) self.simulator.go(5) br1.start() self.simulator.go(config.LEADER_STARTUP_DELAY) self.assertEqual('leader', br1.get_state()) router1.start() self.simulator.go(config.ROUTER_STARTUP_DELAY) self.assertEqual('router', router1.get_state()) self.simulator.go(10) self.collect_ipaddrs() logging.info("BR1 addrs: %r", br1.get_addrs()) logging.info("ROUTER1 addrs: %r", router1.get_addrs()) logging.info("HOST addrs: %r", host.get_addrs()) self.assertEqual(len(br1.get_netdata_non_nat64_routes()), 1) host_on_link_addr = host.get_matched_ula_addresses(ON_LINK_PREFIX)[0] self.assertTrue(router1.ping(host_on_link_addr)) self.assertTrue( host.ping(router1.get_ip6_address(config.ADDRESS_TYPE.OMR)[0], backbone=True, interface=host_on_link_addr)) # Force kill the radvd host so that BR2 will start advertising its own on-link prefix. host.kill_radvd_service() br2.start() self.simulator.go(config.LEADER_STARTUP_DELAY) self.assertEqual('leader', br2.get_state()) router2.start() self.simulator.go(5) self.assertEqual('router', router2.get_state()) self.simulator.go(25) self.collect_ipaddrs() logging.info("BR1 addrs: %r", br1.get_addrs()) logging.info("ROUTER1 addrs: %r", router1.get_addrs()) logging.info("BR2 addrs: %r", br2.get_addrs()) logging.info("ROUTER2 addrs: %r", router2.get_addrs()) logging.info("HOST addrs: %r", host.get_addrs()) self.assertTrue(len(br1.get_netdata_omr_prefixes()) == 1) self.assertTrue(len(router1.get_netdata_omr_prefixes()) == 1) self.assertTrue(len(br2.get_netdata_omr_prefixes()) == 1) self.assertTrue(len(router2.get_netdata_omr_prefixes()) == 1) br1_omr_prefix = br1.get_br_omr_prefix() br2_omr_prefix = br2.get_br_omr_prefix() self.assertNotEqual(br1_omr_prefix, br2_omr_prefix) # Verify that the Border Routers starts advertising new on-link prefix # but don't remove the external routes for the radvd on-link prefix # immediately, because the SLAAC addresses are still valid. self.assertEqual(len(br1.get_netdata_non_nat64_routes()), 1) self.assertEqual(len(router1.get_netdata_non_nat64_routes()), 1) self.assertEqual(len(br2.get_netdata_non_nat64_routes()), 1) self.assertEqual(len(router2.get_netdata_non_nat64_routes()), 1) br2_on_link_prefix = br2.get_br_on_link_prefix() router1_omr_addr = router1.get_ip6_address(config.ADDRESS_TYPE.OMR)[0] router2_omr_addr = router2.get_ip6_address(config.ADDRESS_TYPE.OMR)[0] # Make sure that addresses of both the deprecated radvd `ON_LINK_PREFIX` # and preferred Border Router on-link prefix can be reached by Thread # devices in network of Border Router 1. for host_on_link_addr in [ host.get_matched_ula_addresses(br2_on_link_prefix)[0], host.get_matched_ula_addresses(ON_LINK_PREFIX)[0] ]: self.assertTrue(router1.ping(host_on_link_addr)) self.assertTrue(host.ping(router1_omr_addr, backbone=True, interface=host_on_link_addr)) host_on_link_addr = host.get_matched_ula_addresses(ON_LINK_PREFIX)[0] if __name__ == '__main__': unittest.main()