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[thread-cert] refactor case 5.3.7 using pktverify (#5815)
This commit is contained in:
Jing Ma
@@ -31,51 +31,81 @@ import unittest
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import command
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import config
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import copy
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import mle
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import thread_cert
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from pktverify.consts import WIRESHARK_OVERRIDE_PREFS, ADDR_ERR_URI, ADDR_QRY_URI, ADDR_NTF_URI, MLE_CHILD_ID_REQUEST, MLE_CHILD_ID_RESPONSE, REALM_LOCAL_ALL_ROUTERS_ADDRESS, NL_TARGET_EID_TLV, NL_RLOC16_TLV, NL_ML_EID_TLV
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from pktverify.packet_verifier import PacketVerifier
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DUT_LEADER = 1
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ROUTER1 = 2
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ROUTER2 = 3
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MED1 = 4
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SED1 = 5
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MED3 = 6
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MED2 = 6
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MTDS = [MED1, SED1, MED3]
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MTDS = [MED1, SED1, MED2]
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ON_MESH_PREFIX = '2001::/64'
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IPV6_ADDR = '2001::1234'
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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 the DUT’s ability to perform
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# duplicate address detection.
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#
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# Test Topology:
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# -------------
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# MED_2 - Leader(DUT)
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# / \
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# Router_1 Router_2
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# | |
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# MED_1 SED
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#
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# DUT Types:
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# ----------
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# Leader
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class Cert_5_3_7_DuplicateAddress(thread_cert.TestCase):
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USE_MESSAGE_FACTORY = False
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TOPOLOGY = {
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DUT_LEADER: {
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'name': 'LEADER',
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'mode': 'rdn',
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'panid': 0xface,
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'allowlist': [ROUTER1, ROUTER2, MED3]
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'allowlist': [ROUTER1, ROUTER2, MED2]
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},
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ROUTER1: {
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'name': 'ROUTER_1',
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'mode': 'rdn',
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'panid': 0xface,
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'router_selection_jitter': 1,
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'allowlist': [DUT_LEADER, MED1]
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},
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ROUTER2: {
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'name': 'ROUTER_2',
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'mode': 'rdn',
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'panid': 0xface,
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'router_selection_jitter': 1,
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'allowlist': [DUT_LEADER, SED1]
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},
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MED1: {
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'name': 'MED_1',
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'is_mtd': True,
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'mode': 'rn',
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'panid': 0xface,
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'allowlist': [ROUTER1]
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},
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SED1: {
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'name': 'SED',
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'is_mtd': True,
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'mode': '-',
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'panid': 0xface,
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'allowlist': [ROUTER2]
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},
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MED3: {
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MED2: {
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'name': 'MED_2',
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'is_mtd': True,
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'mode': 'rn',
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'panid': 0xface,
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@@ -83,16 +113,18 @@ class Cert_5_3_7_DuplicateAddress(thread_cert.TestCase):
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},
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}
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# override wireshark preferences with case needed parameters
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CASE_WIRESHARK_PREFS = copy.deepcopy(WIRESHARK_OVERRIDE_PREFS)
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CASE_WIRESHARK_PREFS['6lowpan.context1'] = ON_MESH_PREFIX
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def test(self):
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# 1
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self.nodes[DUT_LEADER].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[DUT_LEADER].get_state(), 'leader')
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for i in range(ROUTER1, MED3 + 1):
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for i in range(ROUTER1, MED2 + 1):
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self.nodes[i].start()
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self.simulator.go(5)
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self.simulator.go(5)
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for i in [ROUTER1, ROUTER2]:
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self.assertEqual(self.nodes[i].get_state(), 'router')
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@@ -100,43 +132,94 @@ class Cert_5_3_7_DuplicateAddress(thread_cert.TestCase):
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for i in MTDS:
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self.assertEqual(self.nodes[i].get_state(), 'child')
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# 2
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leader_messages = self.simulator.get_messages_sent_by(DUT_LEADER)
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msg = leader_messages.next_mle_message(mle.CommandType.ADVERTISEMENT)
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command.check_mle_advertisement(msg)
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self.collect_ipaddrs()
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self.collect_rlocs()
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# 3
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self.nodes[ROUTER2].add_prefix('2001:2:0:1::/64', 'paros')
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self.nodes[ROUTER2].add_prefix(ON_MESH_PREFIX, 'paros')
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self.nodes[ROUTER2].register_netdata()
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# Set lowpan context of sniffer
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self.simulator.set_lowpan_context(1, '2001:2:0:1::/64')
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self.nodes[MED1].add_ipaddr('2001:2:0:1::1234')
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self.nodes[SED1].add_ipaddr('2001:2:0:1::1234')
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self.nodes[MED1].add_ipaddr(IPV6_ADDR)
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self.nodes[SED1].add_ipaddr(IPV6_ADDR)
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self.simulator.go(5)
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# 4
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# Flush the message queue to avoid possible impact on follow-up
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# verification.
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self.simulator.get_messages_sent_by(DUT_LEADER)
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self.nodes[MED3].ping('2001:2:0:1::1234')
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# Verify DUT_LEADER sent an Address Query Request to the Realm local
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# address.
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dut_messages = self.simulator.get_messages_sent_by(DUT_LEADER)
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msg = dut_messages.next_coap_message('0.02', '/a/aq')
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command.check_address_query(msg, self.nodes[DUT_LEADER], config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
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# 5 & 6
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# Verify DUT_LEADER sent an Address Error Notification to the Realm
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# local address.
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self.nodes[MED2].ping(IPV6_ADDR)
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self.simulator.go(5)
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dut_messages = self.simulator.get_messages_sent_by(DUT_LEADER)
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msg = dut_messages.next_coap_message('0.02', '/a/ae')
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command.check_address_error_notification(msg, self.nodes[DUT_LEADER], config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
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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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LEADER = pv.vars['LEADER']
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LEADER_RLOC = pv.vars['LEADER_RLOC']
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ROUTER_1 = pv.vars['ROUTER_1']
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ROUTER_2 = pv.vars['ROUTER_2']
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MED_1 = pv.vars['MED_1']
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MED_2 = pv.vars['MED_2']
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SED = pv.vars['SED']
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MM = pv.vars['MM_PORT']
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# Step 1: Ensure topology is formed correctly
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for i in (1, 2):
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pv.verify_attached('ROUTER_%d' % i, 'LEADER')
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pv.verify_attached('MED_1', 'ROUTER_1', 'MTD')
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pv.verify_attached('SED', 'ROUTER_2', 'MTD')
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pv.verify_attached('MED_2', 'LEADER', 'MTD')
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# Step 5: MED_2 sends ICMPv6 Echo Request to address configured on MED_1
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# and SED_1 with Prefix 2001::
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# The DUT MUST multicast an Address Query message to the Realm-Local
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# All Routers address (FF03::2):
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# CoAP URI-Path
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# - NON POST coap://<FF03::2>
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# CoAP Payload
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# - Target EID TLV
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pkts.filter_ping_request().\
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filter_wpan_src64(MED_2). \
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filter_ipv6_dst(IPV6_ADDR). \
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must_next()
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pkts.filter_wpan_src64(LEADER).\
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filter_RLARMA().\
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filter_coap_request(ADDR_QRY_URI, port=MM).\
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filter(lambda p: p.thread_address.tlv.target_eid == IPV6_ADDR).\
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must_next()
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# Step 6: Router_1 & Router_2 respond with Address Notification message
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# with matching Target TLVs
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for i in (1, 2):
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with pkts.save_index():
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pkts.filter_wpan_src64(pv.vars['ROUTER_%d' %i]).\
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filter_ipv6_dst(LEADER_RLOC).\
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filter_coap_request(ADDR_NTF_URI, port=MM).\
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filter(lambda p: {
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NL_ML_EID_TLV,
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NL_RLOC16_TLV,
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NL_TARGET_EID_TLV
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} <= set(p.coap.tlv.type) and\
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p.thread_address.tlv.target_eid == IPV6_ADDR
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).\
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must_next()
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# Step 7: The DUT MUST multicast an Address Error Notification to the Realm-Local
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# All Routers address (FF03::2):
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# CoAP URI-Path
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# - NON POST coap://[<peer address>]:MM/a/ae
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# CoAP Payload
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# - Target EID TLV
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# - ML-EID TLV
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#
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# The IPv6 Source address MUST be the RLOC of the originator
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pkts.filter_ipv6_src_dst(LEADER_RLOC, REALM_LOCAL_ALL_ROUTERS_ADDRESS).\
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filter_coap_request(ADDR_ERR_URI, port=MM).\
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filter(lambda p: {
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NL_ML_EID_TLV,
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NL_TARGET_EID_TLV
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} == set(p.coap.tlv.type) and\
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p.thread_address.tlv.target_eid == IPV6_ADDR
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).\
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must_next()
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if __name__ == '__main__':
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