| #!/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 |
| from pktverify.consts import MA1, MA1g, MA2 |
| import config |
| import thread_cert |
| |
| # Test description: |
| # The purpose of this test is to verify the functionality of ping command. |
| # |
| # 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()) |
| |
| # 1. ROUTER_1 pings ROUTER_2. |
| self.assertTrue(router1.ping(router2.get_ip6_address(config.ADDRESS_TYPE.RLOC))) |
| |
| # 2. ROUTER_1 pings ROUTER_2 multiple times. |
| self.assertTrue(router1.ping(router2.get_ip6_address(config.ADDRESS_TYPE.RLOC), count=5)) |
| |
| # 3. ROUTER_2 pings ROUTER_1 from the link-local address to the |
| # link-local address. |
| self.assertTrue( |
| router2.ping(router1.get_ip6_address(config.ADDRESS_TYPE.LINK_LOCAL), |
| interface=router2.get_ip6_address(config.ADDRESS_TYPE.LINK_LOCAL))) |
| |
| # 4. ROUTER_2 pings ROUTER_3 using the RLOC. |
| self.assertTrue(router2.ping(router3.get_ip6_address(config.ADDRESS_TYPE.RLOC))) |
| |
| # 5. ROUTER_2 pings ROUTER_3's link-local address. The ping should fail. |
| self.assertFalse(router2.ping(router3.get_ip6_address(config.ADDRESS_TYPE.LINK_LOCAL))) |
| |
| # 6. ROUTER_2 pings ROUTER_3's RLOC from the link-local address. The |
| # ping should fail. |
| self.assertFalse( |
| router2.ping(router3.get_ip6_address(config.ADDRESS_TYPE.RLOC), |
| interface=router2.get_ip6_address(config.ADDRESS_TYPE.LINK_LOCAL))) |
| |
| # 7. ROUTER_2 pings ROUTER_3's RLOC from an non-existent address. The |
| # ping command should be rejected by CLI. |
| self.assertFalse(router2.ping(router3.get_ip6_address(config.ADDRESS_TYPE.RLOC), interface='1::1')) |
| |
| self.collect_ipaddrs() |
| self.collect_rloc16s() |
| self.collect_rlocs() |
| self.collect_extra_vars() |
| |
| def verify(self, pv: pktverify.packet_verifier.PacketVerifier): |
| pkts = pv.pkts |
| vars = pv.vars |
| pv.summary.show() |
| |
| logging.info(f'vars = {vars}') |
| |
| # Ensure the topology is formed correctly |
| pv.verify_attached('Router_2', 'Router_1') |
| pv.verify_attached('Router_3', 'Router_1') |
| |
| # 1. Router_1 pings Router_2. |
| _pkt = pkts.filter_wpan_src64(vars['Router_1']) \ |
| .filter_ipv6_2dsts(vars['Router_2_RLOC'], vars['Router_2_LLA']) \ |
| .filter_ping_request() \ |
| .must_next() |
| |
| pkts.filter_wpan_src64(vars['Router_2']) \ |
| .filter_ipv6_dst(_pkt.ipv6.src) \ |
| .filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier) \ |
| .must_next() |
| |
| # 2. Router_1 pings Router_2 multiple times. |
| for i in range(5): |
| _pkt = pkts.filter_wpan_src64(vars['Router_1']) \ |
| .filter_ipv6_2dsts(vars['Router_2_RLOC'], vars['Router_2_LLA']) \ |
| .filter_ping_request() \ |
| .must_next() |
| pkts.filter_wpan_src64(vars['Router_2']) \ |
| .filter_ipv6_dst(_pkt.ipv6.src) \ |
| .filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier) \ |
| .must_next() |
| |
| # 3. Router_2 pings Router_1 from the link-local address to the |
| # link-local address. |
| _pkt = pkts.filter_wpan_src64(vars['Router_2']) \ |
| .filter_ipv6_src_dst(vars['Router_2_LLA'], vars['Router_1_LLA']) \ |
| .filter_ping_request() \ |
| .must_next() |
| |
| pkts.filter_wpan_src64(vars['Router_1']) \ |
| .filter_ipv6_dst(_pkt.ipv6.src) \ |
| .filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier) \ |
| .must_next() |
| |
| # 4. Router_2 pings Router_3 using the RLOC. |
| _pkt = pkts.filter_wpan_src64(vars['Router_2']) \ |
| .filter_ipv6_dst(vars['Router_3_RLOC']) \ |
| .filter_ping_request() \ |
| .must_next() |
| |
| pkts.filter_wpan_src64(vars['Router_3']) \ |
| .filter_ipv6_dst(_pkt.ipv6.src) \ |
| .filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier) \ |
| .must_next() |
| |
| # 5. Router_2 pings Router_3's link-local address. The ping should fail. |
| _pkt = pkts.filter_wpan_src64(vars['Router_2']) \ |
| .filter_ipv6_dst(vars['Router_3_LLA']) \ |
| .filter_ping_request() \ |
| .must_next() |
| |
| pkts.filter_wpan_src64(vars['Router_3']) \ |
| .filter_ipv6_dst(_pkt.ipv6.src) \ |
| .filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier) \ |
| .must_not_next() |
| |
| # 5. Router_2 pings Router_3's RLOC from the link-local address. The |
| # ping should fail. |
| _pkt = pkts.filter_wpan_src64(vars['Router_2']) \ |
| .filter_ipv6_src_dst(vars['Router_2_LLA'], vars['Router_3_RLOC']) \ |
| .filter_ping_request() \ |
| .must_next() |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |