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Zhanglong Xia
353 lines
14 KiB
Python
Executable File
353 lines
14 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright (c) 2016, The OpenThread Authors.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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import unittest
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import command
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import config
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import thread_cert
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from pktverify.consts import MLE_CHILD_ID_REQUEST, MLE_CHILD_ID_RESPONSE, ADDR_QRY_URI, ADDR_NTF_URI, NL_ML_EID_TLV, NL_RLOC16_TLV, NL_TARGET_EID_TLV, COAP_CODE_POST
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from pktverify.packet_verifier import PacketVerifier
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LEADER = 1
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ROUTER1 = 2
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DUT_ROUTER2 = 3
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ROUTER3 = 4
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MED1 = 5
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MED1_TIMEOUT = 3
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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 the DUT is able to generate
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# Address Query messages and properly respond with Address Notification messages.
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#
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# Test Topology:
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# -------------
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# Router_1 - Leader
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# / \
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# Router_3 - Router_2(DUT)
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# |
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# MED
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#
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# DUT Types:
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# ----------
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# Router
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class Cert_5_3_3_AddressQuery(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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'allowlist': [ROUTER1, DUT_ROUTER2, ROUTER3]
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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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'allowlist': [LEADER]
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},
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DUT_ROUTER2: {
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'name': 'ROUTER_2',
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'mode': 'rdn',
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'allowlist': [LEADER, ROUTER3, MED1]
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},
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ROUTER3: {
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'name': 'ROUTER_3',
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'mode': 'rdn',
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'allowlist': [LEADER, DUT_ROUTER2]
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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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'timeout': 3,
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'allowlist': [DUT_ROUTER2]
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},
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}
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def test(self):
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# 1
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self.nodes[LEADER].start()
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self.simulator.go(config.LEADER_STARTUP_DELAY)
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self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
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self.nodes[ROUTER1].start()
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self.nodes[DUT_ROUTER2].start()
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self.nodes[ROUTER3].start()
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self.nodes[MED1].start()
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self.simulator.go(config.ROUTER_STARTUP_DELAY)
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self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
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self.assertEqual(self.nodes[DUT_ROUTER2].get_state(), 'router')
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self.assertEqual(self.nodes[ROUTER3].get_state(), 'router')
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self.assertEqual(self.nodes[MED1].get_state(), 'child')
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self.collect_ipaddrs()
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self.collect_rlocs()
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self.collect_rloc16s()
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# 2
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router3_mleid = self.nodes[ROUTER3].get_ip6_address(config.ADDRESS_TYPE.ML_EID)
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self.assertTrue(self.nodes[MED1].ping(router3_mleid))
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# 3
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# Wait the finish of address resolution traffic triggered by previous
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# ping.
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self.simulator.go(5)
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med1_mleid = self.nodes[MED1].get_ip6_address(config.ADDRESS_TYPE.ML_EID)
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self.assertTrue(self.nodes[ROUTER1].ping(med1_mleid))
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# 4
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# Wait the finish of address resolution traffic triggered by previous
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# ping.
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self.simulator.go(5)
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self.assertTrue(self.nodes[MED1].ping(router3_mleid))
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# 5
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# Power off ROUTER3 and wait for leader to expire its Router ID.
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# In this topology, ROUTER3 has two neighbors (Leader and DUT_ROUTER2),
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# so the wait time is (MAX_NEIGHBOR_AGE (100s) + worst propagation time (32s * 15) for bad routing +\
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# INFINITE_COST_TIMEOUT (90s) + transmission time + extra redundancy),
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# totally ~700s.
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self.nodes[ROUTER3].stop()
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self.simulator.go(700)
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self.assertFalse(self.nodes[MED1].ping(router3_mleid))
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# 6
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self.nodes[MED1].stop()
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self.simulator.go(MED1_TIMEOUT)
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self.assertFalse(self.nodes[ROUTER1].ping(med1_mleid))
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self.assertFalse(self.nodes[ROUTER1].ping(med1_mleid))
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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_MLEID = pv.vars['LEADER_MLEID']
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ROUTER_1 = pv.vars['ROUTER_1']
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ROUTER_1_RLOC = pv.vars['ROUTER_1_RLOC']
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ROUTER_1_MLEID = pv.vars['ROUTER_1_MLEID']
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ROUTER_2 = pv.vars['ROUTER_2']
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ROUTER_2_RLOC16 = pv.vars['ROUTER_2_RLOC16']
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ROUTER_2_RLOC = pv.vars['ROUTER_2_RLOC']
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ROUTER_2_MLEID = pv.vars['ROUTER_2_MLEID']
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MED = pv.vars['MED']
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MED_RLOC16 = pv.vars['MED_RLOC16']
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MED_MLEID = pv.vars['MED_MLEID']
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ROUTER_3 = pv.vars['ROUTER_3']
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ROUTER_3_MLEID = pv.vars['ROUTER_3_MLEID']
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MM = pv.vars['MM_PORT']
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# Step 1: Build the topology as described
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for i in range(1, 4):
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with pkts.save_index():
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pv.verify_attached('ROUTER_%d' % i)
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pkts.filter_wpan_src64(MED).\
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filter_wpan_dst64(ROUTER_2).\
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filter_mle_cmd(MLE_CHILD_ID_REQUEST).\
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must_next()
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pkts.filter_wpan_src64(ROUTER_2).\
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filter_wpan_dst64(MED).\
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filter_mle_cmd(MLE_CHILD_ID_RESPONSE).\
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must_next()
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# Step 2: MED sends an ICMPv6 Echo Request to Router_3 ML-EID
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# The DUT MUST generate an Address Query Request on MED’s behalf
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# to find Router_3 address.
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# The Address Query Request MUST be sent 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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# The DUT MUST receive and process the incoming Address Notification
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# The DUT MUST then forward the ICMPv6 Echo Request from MED and
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# forward the ICMPv6 Echo Reply to MED
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_pkt = pkts.filter_ping_request().\
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filter_wpan_src64(MED).\
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filter_ipv6_dst(ROUTER_3_MLEID).\
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must_next()
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pkts.filter_wpan_src64(ROUTER_2).\
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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 == ROUTER_3_MLEID).\
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must_next()
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_pkt1 = pkts.filter_wpan_src64(ROUTER_3).\
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filter_ipv6_dst(ROUTER_2_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 == ROUTER_3_MLEID and\
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p.coap.code == COAP_CODE_POST
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).\
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must_next()
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pkts.filter_ping_request(identifier=_pkt.icmpv6.echo.identifier).\
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filter_wpan_src64(ROUTER_2).\
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filter_ipv6_dst(ROUTER_3_MLEID).\
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must_next()
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pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
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filter_wpan_src64(ROUTER_3).\
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filter_dst16(ROUTER_2_RLOC16).\
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must_next()
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pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
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filter_wpan_src64(ROUTER_2).\
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filter_wpan_dst16(MED_RLOC16).\
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must_next()
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# Step 3: Router_1 sends an ICMPv6 Echo Request to the MED ML-EID address
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# The DUT MUST respond to the Address Query Request with a properly
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# formatted Address Notification Message:
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# CoAP URI-Path
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# - CON POST coap://[<Address Query Source>]:MM/a/an
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# CoAP Payload
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# - ML-EID TLV
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# - RLOC16 TLV
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# - Target EID TLV
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# The IPv6 Source address MUST be the RLOC of the originator
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# The IPv6 Destination address MUST be the RLOC of the destination
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pkts.filter_wpan_src64(ROUTER_1).\
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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 == MED_MLEID).\
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must_next()
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pkts.filter_ipv6_src_dst(ROUTER_2_RLOC, ROUTER_1_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 == MED_MLEID and\
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p.coap.code == COAP_CODE_POST
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).\
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must_next()
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_pkt = pkts.filter_ping_request().\
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filter_wpan_src64(ROUTER_1).\
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filter_ipv6_dst(MED_MLEID).\
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must_next()
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pkts.filter_ping_request(identifier=_pkt.icmpv6.echo.identifier).\
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filter_wpan_src64(ROUTER_2).\
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filter_ipv6_dst(MED_MLEID).\
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must_next()
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pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
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filter_wpan_src64(MED).\
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filter_wpan_dst16(ROUTER_2_RLOC16).\
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must_next()
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pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
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filter_wpan_src64(ROUTER_2).\
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filter_ipv6_dst(ROUTER_1_MLEID).\
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must_next()
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# Step 4: MED sends an ICMPv6 Echo Request to the Router_3 ML-EID
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# The DUT MUST NOT send an Address Query, as the Router_3 address
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# should be cached
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# The DUT MUST forward the ICMPv6 Echo Reply to MED
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_pkt = pkts.filter_ping_request().\
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filter_wpan_src64(MED).\
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filter_ipv6_dst(ROUTER_3_MLEID).\
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must_next()
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lstart = pkts.index
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pkts.filter_ping_request(identifier=_pkt.icmpv6.echo.identifier).\
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filter_wpan_src64(ROUTER_2).\
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filter_ipv6_dst(ROUTER_3_MLEID).\
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must_next()
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lend = pkts.index
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pkts.range(lstart, lend).\
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filter_wpan_src64(ROUTER_2).\
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filter_RLARMA().\
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filter_coap_request(ADDR_QRY_URI).\
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must_not_next()
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pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
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filter_wpan_src64(ROUTER_3).\
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filter_wpan_dst16(ROUTER_2_RLOC16).\
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must_next()
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_pkt1 = pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
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filter_wpan_src64(ROUTER_2).\
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filter_wpan_dst16(MED_RLOC16).\
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must_next()
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# Step 5: Power off Router_3 and wait for the Leader to expire its Router ID
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# Send an ICMPv6 Echo Request from MED to the Router_3 ML-EID address
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# The DUT MUST update its address cache and removes all entries based
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# on Router_3’s Router ID.
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# The DUT MUST send an Address Query to discover Router_3’s RLOC
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# address.
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_pkt = pkts.filter_ping_request().\
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filter_wpan_src64(MED).\
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filter_ipv6_dst(ROUTER_3_MLEID).\
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filter(lambda p: p.sniff_timestamp - _pkt1.sniff_timestamp >= 700).\
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must_next()
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pkts.filter_wpan_src64(ROUTER_2).\
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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 == ROUTER_3_MLEID and\
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p.coap.code == COAP_CODE_POST
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).\
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must_next()
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# Step 6: Power off MED and wait for the DUT to timeout the child.
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# Send two ICMPv6 Echo Requests from Router_1 to MED ML-EID
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# The DUT MUST NOT respond with an Address Notification message
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pkts.filter_ping_request().\
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filter_wpan_src64(ROUTER_1).\
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filter_ipv6_dst(MED_MLEID).\
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must_next()
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pkts.filter_wpan_src64(ROUTER_1).\
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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 == MED_MLEID and\
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p.coap.code == COAP_CODE_POST
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).\
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must_next()
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pkts.filter_ipv6_src_dst(ROUTER_2_RLOC, ROUTER_1_RLOC).\
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filter_coap_request(ADDR_NTF_URI).\
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must_not_next()
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if __name__ == '__main__':
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unittest.main()
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