| #!/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 config |
| import mle |
| import thread_cert |
| from pktverify.consts import MLE_PARENT_REQUEST, MLE_PARENT_RESPONSE, MLE_CHILD_ID_REQUEST, SOURCE_ADDRESS_TLV, MODE_TLV, TIMEOUT_TLV, CHALLENGE_TLV, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, ADDRESS16_TLV, LEADER_DATA_TLV, NETWORK_DATA_TLV, TLV_REQUEST_TLV, SCAN_MASK_TLV, CONNECTIVITY_TLV, LINK_MARGIN_TLV, VERSION_TLV, ADDRESS_REGISTRATION_TLV |
| from pktverify.packet_verifier import PacketVerifier |
| from pktverify.null_field import nullField |
| |
| LEADER = 1 |
| ROUTER1 = 2 |
| ROUTER2 = 3 |
| ROUTER3 = 4 |
| ROUTER4 = 5 |
| |
| # Test Purpose and Description: |
| # ----------------------------- |
| # The purpose of this test case is to verify that the DUT chooses |
| # to attach to a router with better connectivity |
| # |
| # Test Topology: |
| # ------------- |
| # Leader--Router1 |
| # / \ / |
| # Router2 Router3 |
| # \ / |
| # Router4[DUT] |
| # |
| # DUT Types: |
| # ---------- |
| # Router |
| |
| |
| class Cert_5_1_08_RouterAttachConnectivity(thread_cert.TestCase): |
| USE_MESSAGE_FACTORY = False |
| |
| TOPOLOGY = { |
| LEADER: { |
| 'name': 'LEADER', |
| 'mode': 'rdn', |
| 'allowlist': [ROUTER1, ROUTER2, ROUTER3] |
| }, |
| 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': [LEADER, ROUTER1, ROUTER4] |
| }, |
| ROUTER4: { |
| 'name': 'ROUTER_4', |
| 'mode': 'rdn', |
| 'allowlist': [ROUTER2, ROUTER3] |
| }, |
| } |
| |
| def test(self): |
| self.nodes[LEADER].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[LEADER].get_state(), 'leader') |
| |
| for i in range(2, 5): |
| self.nodes[i].start() |
| |
| self.simulator.go(5) |
| |
| for i in range(2, 5): |
| self.assertEqual(self.nodes[i].get_state(), 'router') |
| |
| self.simulator.go(config.MAX_ADVERTISEMENT_INTERVAL) |
| |
| self.nodes[ROUTER4].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[ROUTER4].get_state(), 'router') |
| |
| def verify(self, pv): |
| pkts = pv.pkts |
| pv.summary.show() |
| |
| ROUTER_2 = pv.vars['ROUTER_2'] |
| ROUTER_3 = pv.vars['ROUTER_3'] |
| ROUTER_4 = pv.vars['ROUTER_4'] |
| |
| # Step 1: Verify all routers and Leader are sending MLE advertisements. |
| for i in (1, 2, 3): |
| with pkts.save_index(): |
| pv.verify_attached('ROUTER_%d' % i) |
| |
| # Step 3: DUT sends a MLE Parent Request with an IP hop limit of |
| # 255 to the Link-Local All Routers multicast address (FF02::2). |
| # The following TLVs MUST be present in the MLE Parent Request: |
| # - Challenge TLV |
| # - Mode TLV |
| # - Scan Mask TLV |
| # If the DUT sends multiple MLE Parent Requests |
| # - The first one MUST be sent only to all Routers |
| # - Subsequent ones MAY be sent to all Routers and REEDS |
| # - Version TLV |
| # If the first MLE Parent Request was sent to all Routers and |
| # REEDS, the test fails. |
| |
| pkts.filter_wpan_src64(ROUTER_4).\ |
| 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() |
| |
| # Step 4: Router2 and Router3 respond with a MLE Parent Response. |
| # The following TLVs MUST be present in the MLE Parent Response: |
| # - Challenge TLV |
| # - Connectivity TLV |
| # - Leader Data TLV |
| # - Link-layer Frame Counter TLV |
| # - Link Margin TLV |
| # - Response TLV |
| # - Source Address |
| # - Version TLV |
| # - MLE Frame Counter TLV (optional) |
| |
| for i in (2, 3): |
| with pkts.save_index(): |
| pkts.filter_wpan_src64(pv.vars['ROUTER_%d' % i]).\ |
| filter_wpan_dst64(ROUTER_4).\ |
| filter_mle_cmd(MLE_PARENT_RESPONSE).\ |
| filter(lambda p: { |
| CHALLENGE_TLV, |
| CONNECTIVITY_TLV, |
| LEADER_DATA_TLV, |
| LINK_LAYER_FRAME_COUNTER_TLV, |
| LINK_MARGIN_TLV, |
| RESPONSE_TLV, |
| SOURCE_ADDRESS_TLV, |
| VERSION_TLV |
| } <= set(p.mle.tlv.type) |
| ).\ |
| must_next() |
| |
| # Step 5: DUT sends a MLE Child ID Request to Router3. |
| # The following TLVs MUST be present in the MLE Child ID Request: |
| # - Link-layer Frame Counter TLV |
| # - Mode TLV |
| # - Response TLV |
| # - Timeout TLV |
| # - TLV Request TLV |
| # - Address16 TLV |
| # - Network Data TLV |
| # - Route64 TLV (optional) |
| # - Version TLV |
| # - MLE Frame Counter TLV (optional) |
| # The following TLV MUST NOT be present in the MLE Child ID Request: |
| # - Address Registration TLV |
| |
| _pkt = pkts.filter_wpan_src64(ROUTER_4).\ |
| filter_wpan_dst64(ROUTER_3).\ |
| 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) |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
