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[thread-cert] refactor case 5.1.13 using pktverify (#5766)
This commit is contained in:
Jing Ma
@@ -31,19 +31,43 @@ import unittest
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import mle
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import thread_cert
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from pktverify.consts import MLE_ADVERTISEMENT, MLE_LINK_REQUEST, MLE_LINK_ACCEPT, MLE_LINK_ACCEPT_AND_REQUEST, SOURCE_ADDRESS_TLV, CHALLENGE_TLV, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, ROUTE64_TLV, ADDRESS16_TLV, LEADER_DATA_TLV, TLV_REQUEST_TLV, VERSION_TLV
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from pktverify.packet_verifier import PacketVerifier
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from pktverify.null_field import nullField
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LEADER = 1
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ROUTER = 2
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# Test Purpose and Description:
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# -----------------------------
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# The purpose of this test case is to validate that when a router resets,
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# it will synchronize upon returning by using the Router Synchronization
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# after Reset procedure.
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#
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# Test Topology:
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# -------------
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# Leader
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# |
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# Router
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#
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# DUT Types:
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# ----------
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# Leader
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# Router
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class Cert_5_1_13_RouterReset(thread_cert.TestCase):
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USE_MESSAGE_FACTORY = False
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TOPOLOGY = {
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LEADER: {
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'name': 'LEADER',
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'mode': 'rdn',
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'panid': 0xface,
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'allowlist': [ROUTER]
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},
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ROUTER: {
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'name': 'ROUTER',
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'mode': 'rdn',
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'panid': 0xface,
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'router_selection_jitter': 1,
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@@ -64,8 +88,7 @@ class Cert_5_1_13_RouterReset(thread_cert.TestCase):
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self.nodes[ROUTER].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[ROUTER].get_state(), 'router')
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rloc16 = self.nodes[ROUTER].get_addr16()
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self.collect_rloc16s()
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self.nodes[ROUTER].reset()
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self._setUpRouter()
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@@ -74,70 +97,110 @@ class Cert_5_1_13_RouterReset(thread_cert.TestCase):
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self.nodes[ROUTER].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[ROUTER].get_state(), 'router')
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self.assertEqual(self.nodes[ROUTER].get_addr16(), rloc16)
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leader_messages = self.simulator.get_messages_sent_by(LEADER)
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router1_messages = self.simulator.get_messages_sent_by(ROUTER)
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def verify(self, pv):
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pkts = pv.pkts
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pv.summary.show()
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# 1 - All
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leader_messages.next_mle_message(mle.CommandType.ADVERTISEMENT)
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LEADER = pv.vars['LEADER']
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ROUTER = pv.vars['ROUTER']
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ROUTER_RLOC16 = pv.vars['ROUTER_RLOC16']
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router1_messages.next_mle_message(mle.CommandType.PARENT_REQUEST)
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leader_messages.next_mle_message(mle.CommandType.PARENT_RESPONSE)
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# Step 1: Verify topology is formed correctly.
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router1_messages.next_mle_message(mle.CommandType.CHILD_ID_REQUEST)
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leader_messages.next_mle_message(mle.CommandType.CHILD_ID_RESPONSE)
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# Step 2: Devices MUST send properly formatted MLE Advertisements with
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# an IP Hop Limit of 255 to the Link-Local All Nodes multicast
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# address (FF02::1).
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# The following TLVs MUST be present in the MLE Advertisements:
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# - Leader Data TLV
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# - Route64 TLV
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# - Source Address TLV
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msg = router1_messages.next_coap_message("0.02")
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msg.assertCoapMessageRequestUriPath("/a/as")
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pv.verify_attached('ROUTER')
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pkts.filter_wpan_src64(ROUTER).\
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filter_LLANMA().\
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filter_mle_cmd(MLE_ADVERTISEMENT).\
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filter(lambda p: {
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LEADER_DATA_TLV,
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ROUTE64_TLV,
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SOURCE_ADDRESS_TLV
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} == set(p.mle.tlv.type) and\
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p.ipv6.hlim == 255
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).\
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must_next()
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pkts.filter_wpan_src64(LEADER).\
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filter_LLANMA().\
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filter_mle_cmd(MLE_ADVERTISEMENT).\
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filter(lambda p: {
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LEADER_DATA_TLV,
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ROUTE64_TLV,
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SOURCE_ADDRESS_TLV
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} == set(p.mle.tlv.type) and\
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p.ipv6.hlim == 255
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).\
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must_next()
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msg = leader_messages.next_coap_message("2.04")
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# Step 4: Router sends multicast Link Request message
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#
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# The Link Request Message MUST be sent to the Link-Local All Routers
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# Routers multicast address (FF02::2) and contain the following TLVs:
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# - Challenge TLV
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# - TLV Request TLV
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# - Address16 TLV
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# - Route64 TLV
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# - Version TLV
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#
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router1_messages.next_mle_message(mle.CommandType.LINK_REQUEST)
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msg = leader_messages.next_mle_message_of_one_of_command_types(
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mle.CommandType.LINK_ACCEPT_AND_REQUEST,
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mle.CommandType.LINK_ACCEPT,
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)
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self.assertIsNotNone(msg)
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_pkt_lq = pkts.filter_mle_cmd(MLE_LINK_REQUEST).\
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filter_LLARMA().\
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filter(lambda p: {
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CHALLENGE_TLV,
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VERSION_TLV,
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TLV_REQUEST_TLV,
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ADDRESS16_TLV,
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ROUTE64_TLV
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} <= set(p.mle.tlv.type) and\
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p.mle.tlv.addr16 is nullField and \
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p.mle.tlv.route64.id_mask is nullField
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).\
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must_next()
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# 2 - Router1 / Leader
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msg = router1_messages.next_mle_message(mle.CommandType.ADVERTISEMENT)
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msg.assertSentWithHopLimit(255)
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msg.assertSentToDestinationAddress("ff02::1")
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msg.assertMleMessageContainsTlv(mle.SourceAddress)
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msg.assertMleMessageContainsTlv(mle.LeaderData)
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msg.assertMleMessageContainsTlv(mle.Route64)
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# Step 5: Leader replies to Router with Link Accept message
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# The following TLVs MUST be present in the Link Accept message:
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# - Leader Data TLV
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# - Link-layer Frame Counter TLV
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# - Link Margin TLV
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# - Response TLV
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# - Source Address TLV
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# - Version TLV
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# - TLV Request TLV: Link Margin
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# - Challenge TLV (optional)
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# - MLE Frame Counter TLV (optional)
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# The Challenge TLV MUST be included if the response is an
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# Accept and Request message.
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# Responses to multicast Link Requests MUST be delayed by a
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# random time of up to MLE_MAX_RESPONSE_DELAY (1 second).
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msg = leader_messages.next_mle_message(mle.CommandType.ADVERTISEMENT)
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msg.assertSentWithHopLimit(255)
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msg.assertSentToDestinationAddress("ff02::1")
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msg.assertMleMessageContainsTlv(mle.SourceAddress)
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msg.assertMleMessageContainsTlv(mle.LeaderData)
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msg.assertMleMessageContainsTlv(mle.Route64)
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# 4 - Router1
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msg = router1_messages.next_mle_message(mle.CommandType.LINK_REQUEST)
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msg.assertSentToDestinationAddress("ff02::2")
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msg.assertMleMessageContainsTlv(mle.Challenge)
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msg.assertMleMessageContainsTlv(mle.Version)
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msg.assertMleMessageContainsTlv(mle.TlvRequest)
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tlv_request = msg.get_mle_message_tlv(mle.TlvRequest)
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self.assertIn(mle.TlvType.ROUTE64, tlv_request.tlvs)
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self.assertIn(mle.TlvType.ADDRESS16, tlv_request.tlvs)
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# 5 - Leader
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msg = leader_messages.next_mle_message(mle.CommandType.LINK_ACCEPT)
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msg.assertSentToNode(self.nodes[ROUTER])
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msg.assertMleMessageContainsTlv(mle.SourceAddress)
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msg.assertMleMessageContainsTlv(mle.LeaderData)
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msg.assertMleMessageContainsTlv(mle.Response)
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msg.assertMleMessageContainsTlv(mle.LinkLayerFrameCounter)
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msg.assertMleMessageContainsOptionalTlv(mle.MleFrameCounter)
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msg.assertMleMessageContainsTlv(mle.Address16)
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msg.assertMleMessageContainsTlv(mle.Version)
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msg.assertMleMessageContainsTlv(mle.Route64)
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msg.assertMleMessageContainsOptionalTlv(mle.Challenge)
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_pkt = pkts.filter_wpan_src64(LEADER).\
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filter_wpan_dst64(ROUTER).\
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filter_mle_cmd2(MLE_LINK_ACCEPT, MLE_LINK_ACCEPT_AND_REQUEST).\
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filter(lambda p: {
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ADDRESS16_TLV,
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LEADER_DATA_TLV,
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LINK_LAYER_FRAME_COUNTER_TLV,
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RESPONSE_TLV,
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ROUTE64_TLV,
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SOURCE_ADDRESS_TLV,
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VERSION_TLV
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} <= set(p.mle.tlv.type) and\
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p.mle.tlv.addr16 is not nullField and \
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p.mle.tlv.route64.id_mask is not nullField and\
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p.mle.tlv.addr16 == ROUTER_RLOC16 and\
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p.sniff_timestamp - _pkt_lq.sniff_timestamp <= 1
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).\
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must_next()
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if _pkt.mle.cmd == MLE_LINK_ACCEPT_AND_REQUEST:
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_pkt.must_verify(lambda p: [CHALLENGE_TLV] in p.mle.tlv.type)
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if __name__ == '__main__':
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