1#!/usr/bin/env python3
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29
30import unittest
31
32import config
33import thread_cert
34from pktverify.consts import MLE_CHILD_ID_RESPONSE, MLE_DATA_REQUEST, MLE_CHILD_UPDATE_REQUEST, LEADER_DATA_TLV, ADDRESS_REGISTRATION_TLV, MODE_TLV, TIMEOUT_TLV, TLV_REQUEST_TLV, NETWORK_DATA_TLV
35from pktverify.packet_verifier import PacketVerifier
36
37LEADER = 1
38ED = 2
39
40
41class Cert_6_3_2_NetworkDataUpdate(thread_cert.TestCase):
42    TOPOLOGY = {
43        LEADER: {
44            'name': 'LEADER',
45            'mode': 'rdn',
46            'allowlist': [ED]
47        },
48        ED: {
49            'name': 'MED',
50            'is_mtd': True,
51            'mode': 'rn',
52            'timeout': 10,
53            'allowlist': [LEADER]
54        },
55    }
56
57    def test(self):
58        self.nodes[LEADER].start()
59        self.simulator.go(config.LEADER_STARTUP_DELAY)
60        self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
61
62        self.nodes[ED].start()
63        self.simulator.go(5)
64        self.assertEqual(self.nodes[ED].get_state(), 'child')
65
66        self.nodes[LEADER].add_prefix('2001:2:0:1::/64', 'paros')
67        self.nodes[LEADER].register_netdata()
68
69        # Set lowpan context of sniffer
70        self.simulator.set_lowpan_context(1, '2001:2:0:1::/64')
71
72        self.simulator.go(5)
73
74        addrs = self.nodes[ED].get_addrs()
75        self.assertTrue(any('2001:2:0:1' in addr[0:10] for addr in addrs))
76        for addr in addrs:
77            if addr[0:10] == '2001:2:0:1':
78                self.assertTrue(self.nodes[LEADER].ping(addr))
79
80        self.nodes[LEADER].remove_allowlist(self.nodes[ED].get_addr64())
81        self.nodes[ED].remove_allowlist(self.nodes[LEADER].get_addr64())
82
83        self.nodes[LEADER].add_prefix('2001:2:0:2::/64', 'paros')
84        self.nodes[LEADER].register_netdata()
85
86        # Set lowpan context of sniffer
87        self.simulator.set_lowpan_context(2, '2001:2:0:2::/64')
88
89        self.simulator.go(5)
90
91        self.nodes[LEADER].add_allowlist(self.nodes[ED].get_addr64())
92        self.nodes[ED].add_allowlist(self.nodes[LEADER].get_addr64())
93        self.simulator.go(10)
94
95        addrs = self.nodes[ED].get_addrs()
96        self.assertTrue(any('2001:2:0:1' in addr[0:10] for addr in addrs))
97        self.assertTrue(any('2001:2:0:2' in addr[0:10] for addr in addrs))
98        for addr in addrs:
99            if addr[0:10] == '2001:2:0:1' or addr[0:10] == '2001:2:0:2':
100                self.assertTrue(self.nodes[LEADER].ping(addr))
101
102    def verify(self, pv):
103        pkts = pv.pkts
104        pv.summary.show()
105
106        LEADER = pv.vars['LEADER']
107        MED = pv.vars['MED']
108        _epkts = pkts.filter_wpan_src64(MED)
109
110        # Step 1: Ensure the topology is formed correctly
111        pkts.filter_mle_cmd(MLE_CHILD_ID_RESPONSE).filter_wpan_src64(LEADER).must_next()
112
113        # Step 3: The DUT MUST send a MLE Child Update Request to the Leader
114        _epkts.range(pkts.index).filter_mle_cmd(MLE_CHILD_UPDATE_REQUEST).must_next().must_verify(
115            lambda p: p.wpan.dst64 == LEADER and {LEADER_DATA_TLV, ADDRESS_REGISTRATION_TLV, MODE_TLV, TIMEOUT_TLV
116                                                 } <= set(p.mle.tlv.type))
117
118        # Step 10: The DUT MUST send a MLE Data Request frame to
119        # request the updated Network Data
120        _epkts.filter_mle_cmd(MLE_DATA_REQUEST).must_next().must_verify(
121            lambda p: {TLV_REQUEST_TLV, NETWORK_DATA_TLV} <= set(p.mle.tlv.type))
122
123        # Step 12: The DUT MUST send a MLE Child Update Request to the Leader
124        _epkts.filter_mle_cmd(MLE_CHILD_UPDATE_REQUEST).filter_wpan_dst64(LEADER).must_next().must_verify(
125            lambda p: {ADDRESS_REGISTRATION_TLV, MODE_TLV, TIMEOUT_TLV} <= set(p.mle.tlv.type))
126
127
128if __name__ == '__main__':
129    unittest.main()
130