| #!/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 |
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| # 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 command |
| import config |
| import mle |
| import thread_cert |
| from command import CheckType |
| from pktverify.consts import MLE_PARENT_REQUEST, MLE_CHILD_ID_REQUEST, ADDR_SOL_URI, MODE_TLV, TIMEOUT_TLV, CHALLENGE_TLV, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, ADDRESS16_TLV, NETWORK_DATA_TLV, TLV_REQUEST_TLV, SCAN_MASK_TLV, VERSION_TLV, ADDRESS_REGISTRATION_TLV, NL_MAC_EXTENDED_ADDRESS_TLV, NL_RLOC16_TLV, NL_STATUS_TLV, NL_ROUTER_MASK_TLV, COAP_CODE_POST, COAP_CODE_ACK |
| from pktverify.packet_verifier import PacketVerifier |
| from pktverify.null_field import nullField |
| |
| LEADER = 1 |
| ROUTER1 = 2 |
| |
| # Test Purpose and Description: |
| # ----------------------------- |
| # The purpose of this test case is to verify that when the Leader |
| # de-allocates a router ID, the DUT, as a router, re-attaches. |
| # |
| # Test Topology: |
| # ------------- |
| # Leader |
| # | |
| # Router |
| # |
| # DUT Types: |
| # ---------- |
| # Router |
| |
| |
| class Cert_5_1_06_RemoveRouterId(thread_cert.TestCase): |
| USE_MESSAGE_FACTORY = False |
| |
| TOPOLOGY = { |
| LEADER: { |
| 'name': 'LEADER', |
| 'mode': 'rdn', |
| 'allowlist': [ROUTER1] |
| }, |
| ROUTER1: { |
| 'name': 'ROUTER', |
| 'mode': 'rdn', |
| 'allowlist': [LEADER] |
| }, |
| } |
| |
| 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') |
| rloc16 = self.nodes[ROUTER1].get_addr16() |
| self.collect_rloc16s() |
| |
| router_lladdr = self.nodes[ROUTER1].get_ip6_address(config.ADDRESS_TYPE.LINK_LOCAL) |
| self.assertTrue(self.nodes[LEADER].ping(router_lladdr)) |
| |
| self.nodes[LEADER].release_router_id(rloc16 >> 10) |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[ROUTER1].get_state(), 'router') |
| |
| self.assertTrue(self.nodes[LEADER].ping(router_lladdr)) |
| |
| def verify(self, pv): |
| pkts = pv.pkts |
| pv.summary.show() |
| |
| LEADER = pv.vars['LEADER'] |
| LEADER_RLOC16 = pv.vars['LEADER_RLOC16'] |
| ROUTER = pv.vars['ROUTER'] |
| MM = pv.vars['MM_PORT'] |
| |
| # Step 1: Verify topology is formed correctly. |
| |
| pv.verify_attached('ROUTER') |
| _pkt_as = pkts.filter_wpan_src64(LEADER).\ |
| filter_coap_ack(ADDR_SOL_URI, port=MM).\ |
| filter(lambda p: { |
| NL_STATUS_TLV, |
| NL_RLOC16_TLV, |
| NL_ROUTER_MASK_TLV |
| } == set(p.coap.tlv.type) and\ |
| p.coap.code == COAP_CODE_ACK and\ |
| p.thread_address.tlv.status == 0 |
| ).\ |
| must_next() |
| |
| # Step 3: Router send a properly formatted |
| # MLE Parent Request, |
| # MLE Child ID Request, |
| # and Address Solicit Request |
| # messages to the Leader. |
| |
| pkts.filter_wpan_src64(ROUTER).\ |
| filter_LLARMA().\ |
| filter_mle_cmd(MLE_PARENT_REQUEST).\ |
| filter(lambda p: { |
| CHALLENGE_TLV, |
| MODE_TLV, |
| SCAN_MASK_TLV, |
| VERSION_TLV |
| } <= set(p.mle.tlv.type) and\ |
| p.ipv6.hlim == 255 and\ |
| p.mle.tlv.scan_mask.r == 1 and\ |
| p.mle.tlv.scan_mask.e == 0).\ |
| must_next() |
| |
| _pkt = pkts.filter_wpan_src64(ROUTER).\ |
| filter_wpan_dst64(LEADER).\ |
| filter_mle_cmd(MLE_CHILD_ID_REQUEST).\ |
| filter(lambda p: { |
| LINK_LAYER_FRAME_COUNTER_TLV, |
| MODE_TLV, |
| RESPONSE_TLV, |
| TIMEOUT_TLV, |
| TLV_REQUEST_TLV, |
| ADDRESS16_TLV, |
| NETWORK_DATA_TLV, |
| VERSION_TLV |
| } <= set(p.mle.tlv.type) and\ |
| p.mle.tlv.addr16 is nullField and\ |
| p.thread_nwd.tlv.type is nullField).\ |
| must_next() |
| _pkt.must_not_verify(lambda p: (ADDRESS_REGISTRATION_TLV) in p.mle.tlv.type) |
| |
| pkts.filter_wpan_src64(ROUTER).\ |
| filter_wpan_dst16(LEADER_RLOC16).\ |
| filter_coap_request(ADDR_SOL_URI, port=MM).\ |
| filter(lambda p: { |
| NL_MAC_EXTENDED_ADDRESS_TLV, |
| NL_RLOC16_TLV, |
| NL_STATUS_TLV |
| } == set(p.coap.tlv.type) and\ |
| p.coap.code == COAP_CODE_POST and\ |
| p.thread_address.tlv.rloc16 == |
| _pkt_as.thread_address.tlv.rloc16 |
| ).\ |
| must_next() |
| |
| pkts.filter_wpan_src64(LEADER).\ |
| filter_coap_ack(ADDR_SOL_URI, port=MM).\ |
| filter(lambda p: { |
| NL_STATUS_TLV, |
| NL_RLOC16_TLV, |
| NL_ROUTER_MASK_TLV |
| } == set(p.coap.tlv.type) and\ |
| p.coap.code == COAP_CODE_ACK and\ |
| p.thread_address.tlv.rloc16 != |
| _pkt_as.thread_address.tlv.rloc16 and\ |
| p.thread_address.tlv.status == 0 |
| ).\ |
| must_next() |
| |
| # Step 4: DUT responds with ICMPv6 Echo Reply |
| |
| _pkt = pkts.filter_ping_request().\ |
| filter_wpan_src64(LEADER).\ |
| filter_wpan_dst64(ROUTER).\ |
| must_next() |
| pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\ |
| filter_wpan_src64(ROUTER).\ |
| filter_wpan_dst64(LEADER).\ |
| must_next() |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |