| #!/usr/bin/env python3 |
| # |
| # Copyright (c) 2016, 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 unittest |
| |
| import thread_cert |
| from pktverify.consts import MLE_ADVERTISEMENT, MLE_PARENT_REQUEST, MLE_CHILD_ID_RESPONSE, SOURCE_ADDRESS_TLV, ROUTE64_TLV, LEADER_DATA_TLV |
| from pktverify.packet_verifier import PacketVerifier |
| |
| LEADER = 1 |
| ROUTER1 = 2 |
| ROUTER2 = 3 |
| ROUTER3 = 4 |
| ROUTER4 = 5 |
| |
| |
| class Cert_5_5_4_SplitMergeRouters(thread_cert.TestCase): |
| TOPOLOGY = { |
| LEADER: { |
| 'name': 'LEADER', |
| 'mode': 'rdn', |
| 'allowlist': [ROUTER1, ROUTER2] |
| }, |
| ROUTER1: { |
| 'name': 'ROUTER_1', |
| 'mode': 'rdn', |
| 'allowlist': [LEADER, ROUTER3] |
| }, |
| ROUTER2: { |
| 'name': 'ROUTER_2', |
| 'mode': 'rdn', |
| 'allowlist': [LEADER, ROUTER4] |
| }, |
| ROUTER3: { |
| 'name': 'ROUTER_3', |
| 'mode': 'rdn', |
| 'allowlist': [ROUTER1] |
| }, |
| ROUTER4: { |
| 'name': 'ROUTER_4', |
| 'mode': 'rdn', |
| 'allowlist': [ROUTER2] |
| }, |
| } |
| |
| def _setUpLeader(self): |
| self.nodes[LEADER].add_allowlist(self.nodes[ROUTER1].get_addr64()) |
| self.nodes[LEADER].add_allowlist(self.nodes[ROUTER2].get_addr64()) |
| self.nodes[LEADER].enable_allowlist() |
| self.nodes[LEADER].set_router_selection_jitter(1) |
| |
| def test(self): |
| self.nodes[LEADER].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[LEADER].get_state(), 'leader') |
| |
| self.nodes[ROUTER1].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[ROUTER1].get_state(), 'router') |
| |
| self.nodes[ROUTER2].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[ROUTER2].get_state(), 'router') |
| |
| self.nodes[ROUTER3].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[ROUTER3].get_state(), 'router') |
| |
| self.nodes[ROUTER4].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[ROUTER4].get_state(), 'router') |
| |
| self.nodes[LEADER].reset() |
| self._setUpLeader() |
| self.simulator.go(150) |
| |
| self.nodes[LEADER].start() |
| self.simulator.go(50) |
| |
| self.assertEqual(self.nodes[LEADER].get_state(), 'router') |
| |
| self.collect_ipaddrs() |
| addrs = self.nodes[ROUTER4].get_addrs() |
| for addr in addrs: |
| if addr[0:4] != 'fe80': |
| self.assertTrue(self.nodes[ROUTER3].ping(addr)) |
| |
| def verify(self, pv): |
| pkts = pv.pkts |
| pv.summary.show() |
| |
| LEADER = pv.vars['LEADER'] |
| ROUTER_1 = pv.vars['ROUTER_1'] |
| ROUTER_3 = pv.vars['ROUTER_3'] |
| ROUTER_4 = pv.vars['ROUTER_4'] |
| leader_pkts = pkts.filter_wpan_src64(LEADER) |
| router1_pkts = pkts.filter_wpan_src64(ROUTER_1) |
| |
| # Step 2: The Leader MUST send properly formatted MLE Advertisements |
| router1_pkts.filter_mle_cmd(MLE_CHILD_ID_RESPONSE).must_next() |
| leader_pkts.range(router1_pkts.index).filter_mle_cmd(MLE_ADVERTISEMENT).must_next().must_verify( |
| lambda p: {SOURCE_ADDRESS_TLV, ROUTE64_TLV, LEADER_DATA_TLV} == set(p.mle.tlv.type)) |
| |
| router1_pkts.filter_mle_cmd(MLE_PARENT_REQUEST).must_next() |
| lreset_start = router1_pkts.index |
| |
| router1_pkts.filter_mle_cmd(MLE_ADVERTISEMENT).must_next() |
| lreset_stop = router1_pkts.index |
| |
| # Step 3: The Leader MUST stop sending MLE advertisements. |
| leader_pkts.range(lreset_start, lreset_stop).filter_mle_cmd(MLE_ADVERTISEMENT).must_not_next() |
| |
| # Step 5: Router_4 MUST send an ICMPv6 Echo Reply to Router_3 |
| router3_mleid = pv.vars['ROUTER_3_MLEID'] |
| router4_mleid = pv.vars['ROUTER_4_MLEID'] |
| pkts.filter_wpan_src64(ROUTER_3).filter( |
| lambda p: p.ipv6.src == router3_mleid and p.ipv6.dst == router4_mleid).filter_ping_request().must_next() |
| pkts.filter_wpan_src64(ROUTER_4).filter( |
| lambda p: p.ipv6.src == router4_mleid and p.ipv6.dst == router3_mleid).filter_ping_reply().must_next() |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |