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[thread-cert] refactor case 7.1.3 using pktverify (#5859)
This commit is contained in:
Jing Ma
@@ -28,19 +28,14 @@
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#
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import unittest
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import thread_cert
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from command import (
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check_child_update_request_from_child,
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check_child_update_request_from_parent,
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check_child_update_response,
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check_data_response,
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)
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from command import CheckType
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from command import NetworkDataCheck, PrefixesCheck, SinglePrefixCheck
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import copy
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import config
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import mle
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import thread_cert
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from pktverify.consts import WIRESHARK_OVERRIDE_PREFS, MLE_CHILD_UPDATE_REQUEST, MLE_CHILD_UPDATE_RESPONSE, MLE_DATA_RESPONSE, MLE_CHILD_ID_REQUEST, MLE_CHILD_ID_RESPONSE, ACTIVE_TIMESTAMP_TLV, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, MODE_TLV, TIMEOUT_TLV, VERSION_TLV, TLV_REQUEST_TLV, ADDRESS16_TLV, NETWORK_DATA_TLV, ROUTE64_TLV, MODE_TLV, TIMEOUT_TLV, CHALLENGE_TLV, SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, ADDRESS_REGISTRATION_TLV
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from pktverify.packet_verifier import PacketVerifier
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from pktverify.addrs import Ipv6Addr
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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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@@ -48,22 +43,46 @@ SED1 = 3
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MED1 = 4
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MTDS = [SED1, MED1]
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PREFIX_2001 = '2001::/64'
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PREFIX_2002 = '2002::/64'
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# Test Purpose and Description:
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# -----------------------------
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# The purpose of this test case is to verify that global prefix information can
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# be set on the DUT, which is acting as a Leader in the Thread network. The DUT
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# must also demonstrate that it correctly sets the Network Data (stable/non-stable)
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# and propagates it properly in an already formed network.
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#
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# Test Topology:
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# -------------
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# SED
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# |
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# ROUTER - Leader(DUT) - MED
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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_7_1_3_BorderRouterAsLeader(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, SED1, MED1]
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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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'allowlist': [LEADER]
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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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@@ -71,15 +90,19 @@ class Cert_7_1_3_BorderRouterAsLeader(thread_cert.TestCase):
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'allowlist': [LEADER]
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},
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MED1: {
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'name': 'MED',
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'is_mtd': True,
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'mode': 'rn',
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'panid': 0xface,
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'allowlist': [LEADER]
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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'] = PREFIX_2001
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CASE_WIRESHARK_PREFS['6lowpan.context2'] = PREFIX_2002
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def test(self):
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# 1 - All
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self.nodes[LEADER].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
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@@ -96,91 +119,125 @@ class Cert_7_1_3_BorderRouterAsLeader(thread_cert.TestCase):
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self.simulator.go(5)
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self.assertEqual(self.nodes[MED1].get_state(), 'child')
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# 2 - N/A
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# Clear collected messages
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self.simulator.get_messages_sent_by(LEADER)
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self.simulator.get_messages_sent_by(MED1)
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self.simulator.get_messages_sent_by(SED1)
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self.nodes[LEADER].add_prefix('2001:2:0:1::/64', 'paros')
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self.nodes[LEADER].add_prefix('2001:2:0:2::/64', 'paro')
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self.nodes[LEADER].add_prefix(PREFIX_2001, 'paros')
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self.nodes[LEADER].add_prefix(PREFIX_2002, 'paro')
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self.nodes[LEADER].register_netdata()
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self.simulator.go(5)
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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.simulator.set_lowpan_context(2, '2001:2:0:2::/64')
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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_messages = self.simulator.get_messages_sent_by(LEADER)
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med1_messages = self.simulator.get_messages_sent_by(MED1)
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sed1_messages = self.simulator.get_messages_sent_by(SED1)
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LEADER = pv.vars['LEADER']
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ROUTER = pv.vars['ROUTER']
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SED = pv.vars['SED']
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MED = pv.vars['MED']
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addrs = self.nodes[SED1].get_addrs()
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self.assertTrue(any('2001:2:0:1' in addr[0:10] for addr in addrs))
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self.assertFalse(any('2001:2:0:2' in addr[0:10] for addr in addrs))
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for addr in addrs:
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if addr[0:10] == '2001:2:0:1' or addr[0:10] == '2001:2:0:2':
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self.assertTrue(self.nodes[LEADER].ping(addr))
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# Step 1: Ensure topology is formed correctly
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pv.verify_attached('ROUTER', 'LEADER')
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pv.verify_attached('SED', 'LEADER', 'MTD')
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pv.verify_attached('MED', 'LEADER', 'MTD')
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addrs = self.nodes[MED1].get_addrs()
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self.assertTrue(any('2001:2:0:1' in addr[0:10] for addr in addrs))
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self.assertTrue(any('2001:2:0:2' in addr[0:10] for addr in addrs))
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for addr in addrs:
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if addr[0:10] == '2001:2:0:1' or addr[0:10] == '2001:2:0:2':
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self.assertTrue(self.nodes[LEADER].ping(addr))
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# Step 3: The DUT MUST send a multicast MLE Data Response,
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# including the following TLVs:
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# - Network Data TLV
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# At least two Prefix TLVs (Prefix 1 and Prefix 2),
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# each including:
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# - 6LoWPAN ID sub-TLV
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# - Border Router sub-TLV
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pkts.filter_wpan_src64(LEADER).\
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filter_LLANMA().\
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filter_mle_cmd(MLE_DATA_RESPONSE).\
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filter(lambda p: {
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Ipv6Addr(PREFIX_2001[:-3]),
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Ipv6Addr(PREFIX_2002[:-3])
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} == set(p.thread_nwd.tlv.prefix) and\
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p.thread_nwd.tlv.border_router.flag.p == [1, 1] and\
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p.thread_nwd.tlv.border_router.flag.s == [1, 1] and\
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p.thread_nwd.tlv.border_router.flag.r == [1, 1] and\
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p.thread_nwd.tlv.border_router.flag.o == [1, 1] and\
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p.thread_nwd.tlv.stable == [0, 1, 1, 1, 0, 0, 0]
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).\
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must_next()
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# 3 - Leader
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msg = leader_messages.next_mle_message(mle.CommandType.DATA_RESPONSE)
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check_data_response(
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msg,
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network_data_check=NetworkDataCheck(prefixes_check=PrefixesCheck(prefix_check_list=[
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SinglePrefixCheck(b'2001000200000001'),
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SinglePrefixCheck(b'2001000200000002'),
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])),
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)
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# Step 4: MED automatically sends the global address configured to its parent
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# (the DUT), via the Address Registration TLV included in its Child
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# Update Request keep-alive message.
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# 4 - N/A
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# Get addresses registered by MED1
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msg = med1_messages.next_mle_message(mle.CommandType.CHILD_UPDATE_REQUEST)
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check_child_update_request_from_child(msg, address_registration=CheckType.CONTAIN, CIDs=[0, 1, 2])
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# Step 5: The DUT MUST send a MLE Child Update Response to MED
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# The following TLVs MUST be present in the Child Update Response:
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# - Source Address TLV
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# - Address Registration TLV
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# - Echoes back addresses configured in step 4
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# - Mode TLV
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with pkts.save_index():
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_pkt = pkts.filter_wpan_src64(MED).\
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filter_wpan_dst64(LEADER).\
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filter_mle_cmd(MLE_CHILD_UPDATE_REQUEST).\
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must_next()
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pkts.filter_wpan_src64(LEADER).\
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filter_wpan_dst64(MED).\
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filter_mle_cmd(MLE_CHILD_UPDATE_RESPONSE).\
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filter(lambda p: {
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SOURCE_ADDRESS_TLV,
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MODE_TLV,
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ADDRESS_REGISTRATION_TLV
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} < set(p.mle.tlv.type) and\
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p.mle.tlv.addr_reg_iid is not nullField and\
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set(_pkt.mle.tlv.addr_reg_iid) > set(p.mle.tlv.addr_reg_iid)
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).\
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must_next()
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# 5 - Leader
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# Make a copy of leader's messages to ensure that we don't miss
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# messages to SED1
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leader_messages_copy = leader_messages.clone()
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msg = leader_messages_copy.next_mle_message(
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mle.CommandType.CHILD_UPDATE_RESPONSE,
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sent_to_node=self.nodes[MED1],
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)
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check_child_update_response(msg, address_registration=CheckType.CONTAIN, CIDs=[1, 2])
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# Step 6: The DUT MUST send a MLE Child Update Request or MLE Data
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# Response to SED, including the following TLVs:
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# - Network Data TLV
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# - Source Address TLV
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# - Leader Data TLV
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# - Active Timestamp TLV
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pkts.filter_wpan_src64(LEADER).\
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filter_wpan_dst64(SED).\
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filter_mle_cmd2(MLE_CHILD_UPDATE_REQUEST, MLE_DATA_RESPONSE).\
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filter(lambda p: {
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NETWORK_DATA_TLV,
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SOURCE_ADDRESS_TLV,
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LEADER_DATA_TLV,
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ACTIVE_TIMESTAMP_TLV
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} == set(p.mle.tlv.type) and\
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[Ipv6Addr(PREFIX_2001[:-3])] == p.thread_nwd.tlv.prefix and\
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p.thread_nwd.tlv.border_router.flag.p == [1] and\
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p.thread_nwd.tlv.border_router.flag.s == [1] and\
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p.thread_nwd.tlv.border_router.flag.r == [1] and\
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p.thread_nwd.tlv.border_router.flag.o == [1] and\
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p.thread_nwd.tlv.stable == [1, 1, 1]
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).\
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must_next()
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# 6A & 6B - Leader
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if config.LEADER_NOTIFY_SED_BY_CHILD_UPDATE_REQUEST:
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msg = leader_messages.next_mle_message(
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mle.CommandType.CHILD_UPDATE_REQUEST,
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sent_to_node=self.nodes[SED1],
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)
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check_child_update_request_from_parent(
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msg,
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leader_data=CheckType.CONTAIN,
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network_data=CheckType.CONTAIN,
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active_timestamp=CheckType.CONTAIN,
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)
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else:
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msg = leader_messages.next_mle_message(mle.CommandType.DATA_RESPONSE, sent_to_node=self.nodes[SED1])
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check_data_response(msg, network_data_check=NetworkDataCheck())
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# Step 9: After receiving the MLE Data Response or MLE Child Update Request,
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# SED automatically sends its global address configured to the Leader,
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# in the Address Registration TLV from the Child Update request command
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# 7 - N/A
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# Get addresses registered by SED1
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msg = sed1_messages.next_mle_message(mle.CommandType.CHILD_UPDATE_REQUEST)
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check_child_update_request_from_child(msg, address_registration=CheckType.CONTAIN, CIDs=[0, 1])
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# 8 - Leader
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msg = leader_messages.next_mle_message(
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mle.CommandType.CHILD_UPDATE_RESPONSE,
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sent_to_node=self.nodes[SED1],
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)
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check_child_update_response(msg, address_registration=CheckType.CONTAIN, CIDs=[1])
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# Step 10: The DUT MUST send a MLE Child Update Response, each, to SED
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# The following TLVs MUST be present in the Child Update Response:
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# - Source Address TLV
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# - Address Registration TLV
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# - Echoes back addresses configured in step 9
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# - Mode TLV
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_pkt = pkts.filter_wpan_src64(SED).\
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filter_wpan_dst64(LEADER).\
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filter_mle_cmd(MLE_CHILD_UPDATE_REQUEST).\
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must_next()
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pkts.filter_wpan_src64(LEADER).\
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filter_wpan_dst64(SED).\
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filter_mle_cmd(MLE_CHILD_UPDATE_RESPONSE).\
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filter(lambda p: {
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SOURCE_ADDRESS_TLV,
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MODE_TLV,
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ADDRESS_REGISTRATION_TLV
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} < set(p.mle.tlv.type) and\
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p.mle.tlv.addr_reg_iid is not nullField and\
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set(_pkt.mle.tlv.addr_reg_iid) > set(p.mle.tlv.addr_reg_iid)
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).\
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must_next()
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if __name__ == '__main__':
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