| #!/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 |
| import config |
| from pktverify.consts import MLE_ADVERTISEMENT, MLE_PARENT_REQUEST, MLE_PARENT_RESPONSE, MLE_CHILD_UPDATE_RESPONSE, MLE_CHILD_ID_REQUEST, ADDR_SOL_URI, SOURCE_ADDRESS_TLV, MODE_TLV, TIMEOUT_TLV, CHALLENGE_TLV, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, ROUTE64_TLV, ADDRESS16_TLV, LEADER_DATA_TLV, NETWORK_DATA_TLV, TLV_REQUEST_TLV, SCAN_MASK_TLV, VERSION_TLV, ADDRESS_REGISTRATION_TLV, ACTIVE_TIMESTAMP_TLV, NL_PARENT_PARTITION_CHANGE |
| from pktverify.packet_verifier import PacketVerifier |
| from pktverify.null_field import nullField |
| |
| LEADER = 1 |
| ROUTER1 = 2 |
| ROUTER2 = 3 |
| ED2 = 4 |
| ED3 = 5 |
| |
| MTDS = [ED2, ED3] |
| |
| |
| class Cert_5_5_3_SplitMergeChildren(thread_cert.TestCase): |
| SUPPORT_NCP = False |
| |
| TOPOLOGY = { |
| LEADER: { |
| 'name': 'LEADER', |
| 'mode': 'rdn', |
| 'allowlist': [ROUTER1, ROUTER2] |
| }, |
| ROUTER1: { |
| 'name': 'ROUTER_1', |
| 'mode': 'rdn', |
| 'allowlist': [LEADER, ED2] |
| }, |
| ROUTER2: { |
| 'name': 'ROUTER_2', |
| 'mode': 'rdn', |
| 'allowlist': [LEADER, ED3] |
| }, |
| ED2: { |
| 'name': 'MED_2', |
| 'is_mtd': True, |
| 'mode': 'rn', |
| 'allowlist': [ROUTER1] |
| }, |
| ED3: { |
| 'name': 'MED_3', |
| 'is_mtd': True, |
| 'mode': 'rn', |
| '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[ROUTER1].get_state(), 'router') |
| |
| self.nodes[ED2].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[ED2].get_state(), 'child') |
| |
| self.nodes[ED3].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[ED2].get_state(), 'child') |
| |
| self.nodes[LEADER].reset() |
| self._setUpLeader() |
| self.nodes[ROUTER2].set_preferred_partition_id(0xffffffff) |
| |
| self.simulator.go(140) |
| |
| self.assertEqual(self.nodes[ROUTER1].get_state(), 'leader') |
| self.assertEqual(self.nodes[ROUTER2].get_state(), 'leader') |
| |
| self.nodes[LEADER].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[LEADER].get_state(), 'router') |
| |
| self.simulator.go(30) |
| self.assertEqual(self.nodes[ROUTER1].get_state(), 'router') |
| self.assertEqual(self.nodes[ROUTER2].get_state(), 'leader') |
| |
| self.collect_rloc16s() |
| |
| addrs = self.nodes[ED3].get_addrs() |
| for addr in addrs: |
| if addr[0:4] != 'fe80': |
| self.assertTrue(self.nodes[ED2].ping(addr)) |
| |
| def verify(self, pv): |
| pkts = pv.pkts |
| pv.summary.show() |
| |
| LEADER = pv.vars['LEADER'] |
| LEADER_RLOC16 = pv.vars['LEADER_RLOC16'] |
| ROUTER_1 = pv.vars['ROUTER_1'] |
| ROUTER_2 = pv.vars['ROUTER_2'] |
| MED_2 = pv.vars['MED_2'] |
| MED_3 = pv.vars['MED_3'] |
| _lpkts = pkts.filter_wpan_src64(LEADER) |
| _router1_pkts = pkts.filter_wpan_src64(ROUTER_1) |
| |
| # Step 2: The Leader and Router_1 MUST send properly formatted MLE Advertisements |
| pkts.filter_wpan_src64(LEADER).filter_LLANMA().filter_mle_cmd(MLE_ADVERTISEMENT).must_next().must_verify( |
| lambda p: {SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, ROUTE64_TLV} == set(p.mle.tlv.type)) |
| _pkt = pkts.filter_wpan_src64(ROUTER_1).filter_LLANMA().filter_mle_cmd(MLE_ADVERTISEMENT).must_next() |
| _pkt.must_verify( |
| lambda p: {SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, ROUTE64_TLV} == set(p.mle.tlv.type) and p.ipv6.hlim == 255) |
| |
| # Step 4: Router_1 MUST attempt to reattach to its original partition by |
| # sending MLE Parent Requests to the All-Routers multicast address |
| _router1_pkts.range(pkts.index).filter_LLARMA().filter_mle_cmd(MLE_PARENT_REQUEST).must_next().must_verify( |
| lambda p: {MODE_TLV, CHALLENGE_TLV, SCAN_MASK_TLV, VERSION_TLV} == set( |
| p.mle.tlv.type) and p.mle.tlv.scan_mask.r == 1 and p.mle.tlv.scan_mask.e == 1 and p.ipv6.hlim == 255) |
| lreset_start = _router1_pkts.index |
| |
| # Step 6: Router_1 MUST attempt to attach to any other Partition |
| # within range by sending a MLE Parent Request. |
| _router1_pkts.filter_LLARMA().filter_mle_cmd(MLE_PARENT_REQUEST).filter( |
| lambda p: p.mle.tlv.scan_mask.r == 1 and p.mle.tlv.scan_mask.e == 0).must_next().must_verify( |
| lambda p: {MODE_TLV, CHALLENGE_TLV, SCAN_MASK_TLV, VERSION_TLV} == set(p.mle.tlv.type |
| ) and p.ipv6.hlim == 255) |
| lreset_stop = _router1_pkts.index |
| |
| # Step 3: The Leader MUST stop sending MLE advertisements. |
| _lpkts.range(lreset_start, lreset_stop).filter_LLARMA().filter_mle_cmd(MLE_ADVERTISEMENT).must_not_next() |
| |
| # Step 5: Leader MUST NOT respond to the MLE Parent Requests |
| _lpkts.range(lreset_start, |
| lreset_stop).filter_wpan_src64(LEADER).filter_mle_cmd(MLE_PARENT_RESPONSE).must_not_next() |
| |
| # Step 7: Router_1 takes over leader role of a new Partition and |
| # begin transmitting MLE Advertisements |
| with _router1_pkts.save_index(): |
| _router1_pkts.filter_LLANMA().filter_mle_cmd(MLE_ADVERTISEMENT).filter( |
| lambda p: {SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, ROUTE64_TLV} == set(p.mle.tlv.type) and p.mle.tlv. |
| leader_data.partition_id != _pkt.mle.tlv.leader_data.partition_id and p.mle.tlv.leader_data. |
| data_version != _pkt.mle.tlv.leader_data.data_version and p.mle.tlv.leader_data.stable_data_version != |
| _pkt.mle.tlv.leader_data.stable_data_version and p.ipv6.hlim == 255).must_next() |
| |
| # Step 9: Router_1 MUST respond with an MLE Child Update Response, |
| # with the updated TLVs of the new partition |
| _router1_pkts.filter_wpan_dst64(MED_2).filter_mle_cmd(MLE_CHILD_UPDATE_RESPONSE).must_next().must_verify( |
| lambda p: {SOURCE_ADDRESS_TLV, MODE_TLV, LEADER_DATA_TLV, ADDRESS_REGISTRATION_TLV} < set(p.mle.tlv.type)) |
| |
| # Step 10: The Leader MUST send properly formatted MLE Parent |
| # Requests to the All-Routers multicast address |
| _lpkts.filter_LLARMA().filter_mle_cmd(MLE_PARENT_REQUEST).must_next().must_verify( |
| lambda p: {MODE_TLV, CHALLENGE_TLV, SCAN_MASK_TLV, VERSION_TLV} == set(p.mle.tlv.type |
| ) and p.ipv6.hlim == 255) |
| |
| # Step 11: Leader send MLE Child ID Request to Router_2 |
| _lpkts.filter_wpan_dst64(ROUTER_2).filter_mle_cmd(MLE_CHILD_ID_REQUEST).must_next().must_verify( |
| lambda p: { |
| RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, MODE_TLV, TIMEOUT_TLV, VERSION_TLV, TLV_REQUEST_TLV, |
| ADDRESS16_TLV, NETWORK_DATA_TLV, ROUTE64_TLV, ACTIVE_TIMESTAMP_TLV |
| } < set(p.mle.tlv.type)) |
| |
| # Step 12: Leader send MLE ADVERTISEMENT |
| _lpkts.filter_mle_cmd(MLE_ADVERTISEMENT).must_next().must_verify( |
| lambda p: {SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, ROUTE64_TLV} == set(p.mle.tlv.type) and p.ipv6.hlim == 255) |
| |
| # Step 13: Router_1 send an Address Solicit Request |
| _router1_pkts.filter_coap_request(ADDR_SOL_URI).must_next().must_verify( |
| lambda p: p.wpan.dst16 == LEADER_RLOC16 and p.thread_address.tlv.ext_mac_addr is not nullField and p. |
| thread_address.tlv.status == NL_PARENT_PARTITION_CHANGE) |
| |
| # Step 14: MED_2 MUST receive an ICMPv6 Echo Reply from MED_3 |
| p = pkts.filter_ping_request().filter_wpan_src64(MED_2).must_next() |
| pkts.filter_ping_reply(identifier=p.icmpv6.echo.identifier).filter_wpan_src64(MED_3).must_next() |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
