| #!/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_PARENT_REQUEST, MLE_CHILD_ID_REQUEST, MLE_CHILD_UPDATE_REQUEST, SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, MODE_TLV |
| from pktverify.packet_verifier import PacketVerifier |
| |
| LEADER = 1 |
| ROUTER = 2 |
| ED = 3 |
| |
| |
| class Cert_6_3_1_OrphanReattach(thread_cert.TestCase): |
| TOPOLOGY = { |
| LEADER: { |
| 'name': 'LEADER', |
| 'mode': 'rdn', |
| 'allowlist': [ROUTER] |
| }, |
| ROUTER: { |
| 'name': 'ROUTER', |
| 'mode': 'rdn', |
| 'allowlist': [LEADER, ED] |
| }, |
| ED: { |
| 'name': 'ED', |
| 'is_mtd': True, |
| 'mode': 'rn', |
| 'timeout': 10, |
| 'allowlist': [ROUTER] |
| }, |
| } |
| |
| def test(self): |
| self.nodes[LEADER].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[LEADER].get_state(), 'leader') |
| |
| self.nodes[ROUTER].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[ROUTER].get_state(), 'router') |
| |
| self.nodes[ED].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[ED].get_state(), 'child') |
| |
| self.collect_ipaddrs() |
| self.nodes[ROUTER].stop() |
| self.nodes[LEADER].add_allowlist(self.nodes[ED].get_addr64()) |
| self.nodes[ED].add_allowlist(self.nodes[LEADER].get_addr64()) |
| self.simulator.go(20) |
| |
| self.assertEqual(self.nodes[ED].get_state(), 'child') |
| |
| addrs = self.nodes[ED].get_addrs() |
| for addr in addrs: |
| self.assertTrue(self.nodes[LEADER].ping(addr)) |
| |
| def verify(self, pv): |
| pkts = pv.pkts |
| pv.summary.show() |
| |
| LEADER = pv.vars['LEADER'] |
| ROUTER = pv.vars['ROUTER'] |
| ED = pv.vars['ED'] |
| _epkts = pkts.filter_wpan_src64(ED) |
| |
| _epkts.filter_mle_cmd(MLE_CHILD_ID_REQUEST).must_next() |
| |
| # Step 2: Remove Router from the network |
| # Step 3: The DUT MUST send three MLE Child Update Requests to its parent |
| for i in range(1, 3): |
| _epkts.filter_mle_cmd(MLE_CHILD_UPDATE_REQUEST).filter_wpan_dst64(ROUTER).must_next().must_verify( |
| lambda p: {SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, MODE_TLV} <= set(p.mle.tlv.type)) |
| |
| # Step 5: The DUT MUST perform the attach procedure with the Leader |
| _epkts.filter_mle_cmd(MLE_PARENT_REQUEST).must_next() |
| _epkts.filter_mle_cmd(MLE_CHILD_ID_REQUEST).filter_wpan_dst64(LEADER).must_next() |
| |
| # Step 6: The DUT MUST respond with ICMPv6 Echo Reply |
| _epkts.filter('ipv6.src == {ED_MLEID} and ipv6.dst == {LEADER_MLEID}', |
| **pv.vars).filter_ping_reply().must_next() |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |