| #!/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 |
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| # 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 ipaddress |
| import logging |
| import unittest |
| |
| import config |
| import thread_cert |
| |
| # Test description: |
| # This test verifies that OTBR publishes the meshcop service using a proper |
| # configuration. |
| # |
| # Topology: |
| # ----------------(eth)----------------------------- |
| # | | | |
| # BR1 BR2 HOST (mDNS Browser) |
| # |
| # |
| |
| BR1 = 1 |
| BR2 = 2 |
| HOST = 3 |
| |
| |
| class PublishMeshCopService(thread_cert.TestCase): |
| USE_MESSAGE_FACTORY = False |
| |
| TOPOLOGY = { |
| BR1: { |
| 'name': 'BR_1', |
| 'allowlist': [], |
| 'is_otbr': True, |
| 'version': '1.2', |
| 'network_name': 'ot-br1', |
| 'boot_delay': 5, |
| }, |
| BR2: { |
| 'name': 'BR_2', |
| 'allowlist': [], |
| 'is_otbr': True, |
| 'version': '1.2', |
| 'network_name': 'ot-br2', |
| 'boot_delay': 5, |
| }, |
| HOST: { |
| 'name': 'Host', |
| 'is_host': True |
| }, |
| } |
| |
| def test(self): |
| host = self.nodes[HOST] |
| br1 = self.nodes[BR1] |
| br2 = self.nodes[BR2] |
| br2.disable_br() |
| |
| # Use different network names to distinguish meshcop services |
| br1.set_network_name('ot-br1') |
| br2.set_network_name('ot-br2') |
| |
| host.start(start_radvd=False) |
| self.simulator.go(20) |
| |
| self.assertEqual(br1.get_state(), 'disabled') |
| # TODO enable this line when renaming with mDNSResponder is stable |
| # self.check_meshcop_service(br1, host) |
| br1.start() |
| self.simulator.go(20) |
| self.assertEqual('leader', br1.get_state()) |
| self.check_meshcop_service(br1, host) |
| |
| br1.disable_backbone_router() |
| self.simulator.go(10) |
| self.check_meshcop_service(br1, host) |
| |
| br1.stop() |
| br1.set_network_name('ot-br1-1') |
| br1.start() |
| self.simulator.go(10) |
| self.check_meshcop_service(br1, host) |
| |
| # verify that there are two meshcop services |
| br2.set_network_name('ot-br2-1') |
| br2.start() |
| br2.disable_backbone_router() |
| br2.enable_br() |
| self.simulator.go(25) |
| |
| service_instances = host.browse_mdns_services('_meshcop._udp') |
| self.assertEqual(len(service_instances), 2) |
| br1_service = self.check_meshcop_service(br1, host) |
| br2_service = self.check_meshcop_service(br2, host) |
| self.assertNotEqual(br1_service['host'], br2_service['host']) |
| |
| br1.stop_otbr_service() |
| self.simulator.go(5) |
| br2.enable_backbone_router() |
| self.simulator.go(5) |
| self.assertEqual(len(host.browse_mdns_services('_meshcop._udp')), 1) |
| br1.start_otbr_service() |
| self.simulator.go(10) |
| self.assertEqual(len(host.browse_mdns_services('_meshcop._udp')), 2) |
| self.check_meshcop_service(br1, host) |
| self.check_meshcop_service(br2, host) |
| |
| br1.factory_reset() |
| br1.set_network_name('ot-br-1-3') |
| self.assertEqual(len(host.browse_mdns_services('_meshcop._udp')), 2) |
| self.check_meshcop_service(br1, host) |
| self.check_meshcop_service(br2, host) |
| |
| def check_meshcop_service(self, br, host): |
| services = self.discover_all_meshcop_services(host) |
| for service in services: |
| if service['txt']['nn'] == br.get_network_name(): |
| self.check_meshcop_service_by_data(br, service) |
| return service |
| self.fail('MeshCoP service not found') |
| |
| def check_meshcop_service_by_data(self, br, service_data): |
| sb_data = service_data['txt']['sb'].encode('raw_unicode_escape') |
| state_bitmap = int.from_bytes(sb_data, byteorder='big') |
| logging.info(bin(state_bitmap)) |
| self.assertEqual((state_bitmap & 7), 1) # connection mode = PskC |
| if br.get_state() == 'disabled': |
| self.assertEqual((state_bitmap >> 3 & 3), 0) # Thread is disabled |
| elif br.get_state() == 'detached': |
| self.assertEqual((state_bitmap >> 3 & 3), 1) # Thread is detached |
| else: |
| self.assertEqual((state_bitmap >> 3 & 3), 2) # Thread is attached |
| self.assertEqual((state_bitmap >> 5 & 3), 1) # high availability |
| self.assertEqual((state_bitmap >> 7 & 1), |
| br.get_backbone_router_state() != 'Disabled') # BBR is enabled or not |
| self.assertEqual((state_bitmap >> 8 & 1), br.get_backbone_router_state() == 'Primary') # BBR is primary or not |
| self.assertEqual(service_data['txt']['nn'], br.get_network_name()) |
| self.assertEqual(service_data['txt']['rv'], '1') |
| self.assertIn(service_data['txt']['tv'], ['1.1.0', '1.1.1', '1.2.0']) |
| |
| def discover_all_meshcop_services(self, host): |
| instance_names = host.browse_mdns_services('_meshcop._udp') |
| services = [] |
| for instance_name in instance_names: |
| services.append(host.discover_mdns_service(instance_name, '_meshcop._udp', None)) |
| return services |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
