| #!/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 mle |
| import network_layer |
| import thread_cert |
| from pktverify.consts import MLE_PARENT_RESPONSE, MLE_CHILD_ID_RESPONSE, MLE_LINK_REQUEST, ADDR_SOL_URI, CHALLENGE_TLV, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, CONNECTIVITY_TLV, ROUTE64_TLV, ADDRESS16_TLV, LEADER_DATA_TLV, NETWORK_DATA_TLV, VERSION_TLV, TLV_REQUEST_TLV, LINK_MARGIN_TLV, SOURCE_ADDRESS_TLV, COAP_CODE_ACK, COAP_CODE_POST, NL_MAC_EXTENDED_ADDRESS_TLV, NL_STATUS_TLV, NL_RLOC16_TLV, NL_ROUTER_MASK_TLV |
| from pktverify.packet_verifier import PacketVerifier |
| |
| LEADER = 1 |
| ROUTER1 = 2 |
| |
| # Test Purpose and Description: |
| # ----------------------------- |
| # The purpose of this test case is to verify that after deallocating a Router ID, |
| # Leader as a DUT doesn't reassign the Router ID for at least ID_REUSE_DELAY |
| # seconds |
| # |
| # Test Topology: |
| # ------------- |
| # Leader |
| # | |
| # Router |
| # |
| # DUT Types: |
| # ---------- |
| # Leader |
| |
| |
| class Cert_5_1_05_RouterAddressTimeout(thread_cert.TestCase): |
| USE_MESSAGE_FACTORY = False |
| |
| TOPOLOGY = { |
| LEADER: { |
| 'name': 'LEADER', |
| 'mode': 'rdn', |
| 'allowlist': [ROUTER1] |
| }, |
| ROUTER1: { |
| 'name': 'ROUTER', |
| 'mode': 'rdn', |
| 'allowlist': [LEADER] |
| }, |
| } |
| |
| def _setUpRouter1(self): |
| self.nodes[ROUTER1].add_allowlist(self.nodes[LEADER].get_addr64()) |
| self.nodes[ROUTER1].enable_allowlist() |
| self.nodes[ROUTER1].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[ROUTER1].reset() |
| self._setUpRouter1() |
| self.simulator.go(200) |
| self.nodes[ROUTER1].start() |
| self.simulator.go(15) |
| self.assertEqual(self.nodes[ROUTER1].get_state(), 'router') |
| |
| self.nodes[ROUTER1].reset() |
| self._setUpRouter1() |
| self.simulator.go(300) |
| self.nodes[ROUTER1].start() |
| self.simulator.go(15) |
| self.assertEqual(self.nodes[ROUTER1].get_state(), 'router') |
| |
| def verify(self, pv): |
| pkts = pv.pkts |
| pv.summary.show() |
| |
| LEADER = pv.vars['LEADER'] |
| 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 automatically sends a link request, reattaches and |
| # requests its original Router ID after reset within the |
| # ID_REUSE_DELAY interval |
| |
| pkts.filter_wpan_src64(ROUTER).\ |
| filter_LLARMA().\ |
| filter_mle_cmd(MLE_LINK_REQUEST).\ |
| filter(lambda p: { |
| CHALLENGE_TLV, |
| VERSION_TLV, |
| TLV_REQUEST_TLV, |
| ADDRESS16_TLV, |
| ROUTE64_TLV |
| } <= set(p.mle.tlv.type)\ |
| ).\ |
| must_next() |
| |
| # Step 4: Leader MUST send a properly formatted Parent Response and |
| # Child ID Response to Router. |
| # And send Address Solicit Response Message to Router. |
| # The RLOC16 TLV in the Address Solicit Response message MUST |
| # contain a different Router ID then the one allocated in the |
| # original attach because ID_REUSE_DELAY interval has not |
| # timed out. |
| # |
| # CoAP Response Code |
| # - 2.04 Changed |
| # CoAP Payload |
| # - Status TLV (value = Success) |
| # - RLOC16 TLV |
| # - Router Mask TLV |
| |
| pkts.filter_wpan_src64(LEADER).\ |
| filter_wpan_dst64(ROUTER).\ |
| 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() |
| |
| pkts.filter_wpan_src64(LEADER).\ |
| filter_wpan_dst64(ROUTER).\ |
| filter_mle_cmd(MLE_CHILD_ID_RESPONSE).\ |
| filter(lambda p: { |
| ADDRESS16_TLV, |
| LEADER_DATA_TLV, |
| NETWORK_DATA_TLV, |
| SOURCE_ADDRESS_TLV, |
| ROUTE64_TLV |
| } <= set(p.mle.tlv.type) or\ |
| { |
| ADDRESS16_TLV, |
| LEADER_DATA_TLV, |
| NETWORK_DATA_TLV, |
| SOURCE_ADDRESS_TLV |
| } <= set(p.mle.tlv.type)\ |
| ).\ |
| must_next() |
| |
| _pkt_as2 = pkts.filter_wpan_src64(ROUTER).\ |
| 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() |
| |
| _pkt_as3 = 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_as2.thread_address.tlv.rloc16 and\ |
| p.thread_address.tlv.status == 0 |
| ).\ |
| must_next() |
| |
| # Step 6: Router automatically sends a link request, reattaches and |
| # requests its most recent Router ID after reset after the |
| # ID_REUSE_DELAY interval |
| |
| pkts.filter_wpan_src64(ROUTER).\ |
| filter_LLARMA().\ |
| filter_mle_cmd(MLE_LINK_REQUEST).\ |
| filter(lambda p: { |
| CHALLENGE_TLV, |
| VERSION_TLV, |
| TLV_REQUEST_TLV, |
| ADDRESS16_TLV, |
| ROUTE64_TLV |
| } <= set(p.mle.tlv.type)\ |
| ).\ |
| must_next() |
| |
| # Step 7: Leader MUST send a properly formatted Parent Response and |
| # Child ID Response to Router. |
| # And send Address Solicit Response Message to Router. |
| # The RLOC16 TLV in the Address Solicit Response message MUST |
| # contain the requested Router ID |
| # |
| # CoAP Response Code |
| # - 2.04 Changed |
| # CoAP Payload |
| # - Status TLV (value = Success) |
| # - RLOC16 TLV |
| # - Router Mask TLV |
| |
| pkts.filter_wpan_src64(LEADER).\ |
| filter_wpan_dst64(ROUTER).\ |
| 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() |
| |
| pkts.filter_wpan_src64(LEADER).\ |
| filter_wpan_dst64(ROUTER).\ |
| filter_mle_cmd(MLE_CHILD_ID_RESPONSE).\ |
| filter(lambda p: { |
| ADDRESS16_TLV, |
| LEADER_DATA_TLV, |
| NETWORK_DATA_TLV, |
| SOURCE_ADDRESS_TLV, |
| ROUTE64_TLV |
| } <= set(p.mle.tlv.type) or\ |
| { |
| ADDRESS16_TLV, |
| LEADER_DATA_TLV, |
| NETWORK_DATA_TLV, |
| SOURCE_ADDRESS_TLV |
| } <= set(p.mle.tlv.type)\ |
| ).\ |
| must_next() |
| |
| pkts.filter_wpan_src64(ROUTER).\ |
| 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_as3.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_as3.thread_address.tlv.rloc16 and\ |
| p.thread_address.tlv.status == 0 |
| ).\ |
| must_next() |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
