mirror of
https://github.com/espressif/openthread.git
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Abtin Keshavarzian
5d09e9ca4f
This commit updates the MLE attach process so that in the first attach cycle device tries a total of six MLE Parent Requests, the first two to routers only followed by four to routers and REEDs. For example, the six Parent Request message will be used before device can decide to act the leader. An MTD in the next attach attempt (if cannot find a parent in first attempt cycle), will go to the model of two Parent Requests (first to routers, then to routers/REEDs). This change impacts the time it takes for a device to start as leader (due to increased number of Parent Request and wait time). This commit updates different test scripts to address the change in the wait time. It adds a new `config.LEADER_STARTUP_DELAY` constants which is used for wait time for leader to start.
336 lines
13 KiB
Python
Executable File
336 lines
13 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 copy
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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 ipv6
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import thread_cert
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from pktverify.consts import WIRESHARK_OVERRIDE_PREFS, ADDR_QRY_URI, ADDR_NTF_URI, NL_ML_EID_TLV, NL_RLOC16_TLV, NL_TARGET_EID_TLV
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from pktverify.packet_verifier import PacketVerifier
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from pktverify.bytes import Bytes
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from pktverify.addrs import Ipv6Addr
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LEADER = 1
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BR = 2
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ROUTER1 = 3
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DUT_ROUTER2 = 4
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MED1 = 5
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PREFIX_1 = '2003::/64'
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GUA_1_START = '2003'
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PREFIX_2 = '2004::/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 validate that the DUT is able to generate
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# Address Query and Address Notification messages
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# The Border Router is configured as a SLAAC server for prefixes 2003:: & 2004::
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#
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# Test Topology:
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# -------------
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# BorderRouter - Leader
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# / \
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# Router_1 - 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_10_AddressQuery(thread_cert.TestCase):
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USE_MESSAGE_FACTORY = False
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SUPPORT_NCP = 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': [BR, ROUTER1, DUT_ROUTER2]
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},
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BR: {
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'name': 'BR',
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'mode': 'rdn',
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'allowlist': [LEADER]
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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, DUT_ROUTER2]
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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, ROUTER1, MED1]
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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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'allowlist': [DUT_ROUTER2]
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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_1
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CASE_WIRESHARK_PREFS['6lowpan.context2'] = PREFIX_2
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def test(self):
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# 1 & 2
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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[BR].start()
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self.simulator.go(config.ROUTER_STARTUP_DELAY)
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self.assertEqual(self.nodes[BR].get_state(), 'router')
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# Configure two On-Mesh Prefixes on the BR
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self.nodes[BR].add_prefix(PREFIX_1, 'paros')
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self.nodes[BR].add_prefix(PREFIX_2, 'paros')
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self.nodes[BR].register_netdata()
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self.nodes[DUT_ROUTER2].start()
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self.simulator.go(config.ROUTER_STARTUP_DELAY)
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self.assertEqual(self.nodes[DUT_ROUTER2].get_state(), 'router')
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self.nodes[ROUTER1].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.nodes[MED1].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[MED1].get_state(), 'child')
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self.collect_rlocs()
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self.collect_rloc16s()
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self.collect_ipaddrs()
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# 3 MED1: MED1 sends an ICMPv6 Echo Request to Router1 using GUA
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# PREFIX_1 address
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router1_addr = self.nodes[ROUTER1].get_addr(PREFIX_1)
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self.assertTrue(router1_addr is not None)
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self.assertTrue(self.nodes[MED1].ping(router1_addr))
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self.simulator.go(1)
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# 4 BR: BR sends an ICMPv6 Echo Request to MED1 using GUA PREFIX_1
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# address
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med1_addr = self.nodes[MED1].get_addr(PREFIX_1)
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self.assertTrue(med1_addr is not None)
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self.assertTrue(self.nodes[BR].ping(med1_addr))
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self.simulator.go(1)
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# 5 MED1: MED1 sends an ICMPv6 Echo Request to ROUTER1 using GUA PREFIX_1
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# address
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self.assertTrue(self.nodes[MED1].ping(router1_addr))
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self.simulator.go(1)
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# 6 DUT_ROUTER2: Power off ROUTER1 and wait 580 seconds to allow the
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# LEADER to expire its Router ID
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router1_id = self.nodes[ROUTER1].get_router_id()
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self.nodes[ROUTER1].stop()
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self.simulator.go(580)
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# Send an ICMPv6 Echo Request from MED1 to ROUTER1 GUA PREFIX_1 address
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self.assertFalse(self.nodes[MED1].ping(router1_addr))
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self.simulator.go(1)
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# 7 MED1: Power off MED1 and wait to allow DUT_ROUTER2 to timeout the
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# child
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self.nodes[MED1].stop()
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self.simulator.go(config.MLE_END_DEVICE_TIMEOUT)
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# BR sends two ICMPv6 Echo Requests to MED1 GUA PREFIX_1 address
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self.assertFalse(self.nodes[BR].ping(med1_addr))
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self.assertFalse(self.nodes[BR].ping(med1_addr))
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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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ROUTER_1 = pv.vars['ROUTER_1']
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ROUTER_2 = pv.vars['ROUTER_2']
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ROUTER_2_RLOC = pv.vars['ROUTER_2_RLOC']
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ROUTER_2_RLOC16 = pv.vars['ROUTER_2_RLOC16']
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BR = pv.vars['BR']
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BR_RLOC = pv.vars['BR_RLOC']
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MED = pv.vars['MED']
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MED_RLOC16 = pv.vars['MED_RLOC16']
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MM = pv.vars['MM_PORT']
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GUA1 = {}
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for node in ('ROUTER_1', 'BR', 'MED'):
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for addr in pv.vars['%s_IPADDRS' % node]:
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if addr.startswith(Bytes(GUA_1_START)):
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GUA1[node] = addr
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# Step 2: Build the topology as described
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pv.verify_attached('BR', 'LEADER')
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for i in (2, 1):
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pv.verify_attached('ROUTER_%d' % i, 'LEADER')
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pv.verify_attached('MED', 'ROUTER_2', 'MTD')
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# Step 3: MED sends an ICMPv6 Echo Request to Router_1 using GUA 2003::
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# address
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# The DUT MUST generate an Address Query Request on MED’s behalf
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# to find each node’s RLOC.
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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 Query
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# Response and forward the ICMPv6 Echo Request packet to Router_1
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_pkt = pkts.filter_ping_request().\
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filter_wpan_src64(MED).\
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filter_ipv6_dst(GUA1['ROUTER_1']).\
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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 == GUA1['ROUTER_1']).\
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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(GUA1['ROUTER_1']).\
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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_1).\
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filter_ipv6_dst(GUA1['MED']).\
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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 4: Border Router sends an ICMPv6 Echo Request to MED using GUA 2003::
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# addresss
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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(BR).\
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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 == GUA1['MED']).\
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must_next()
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pkts.filter_ipv6_src_dst(ROUTER_2_RLOC, BR_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 == GUA1['MED'] and\
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p.thread_address.tlv.rloc16 == ROUTER_2_RLOC16
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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(BR).\
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filter_ipv6_dst(GUA1['MED']).\
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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_ipv6_dst(GUA1['BR']).\
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must_next()
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# Step 5: MED sends an ICMPv6 Echo Request to Router_1 using GUA 2003::
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# address
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# The DUT MUST not send an Address Query as Router_1 address should
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# 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(GUA1['ROUTER_1']).\
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must_next()
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lstart = pkts.index
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pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
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filter_wpan_src64(ROUTER_1).\
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filter_ipv6_dst(GUA1['MED']).\
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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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lend = pkts.index
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pkts.range(lstart, lend).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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must_not_next()
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# Step 6: MED sends an ICMPv6 Echo Request to Router_1 using GUA 2003::
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# address
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# The DUT MUST update its address cache and remove all entries
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# based on Router_1’s Router ID.
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# The DUT MUST send an Address Query to discover Router_1’s RLOC address.
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pkts.filter_ping_request().\
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filter_wpan_src64(MED).\
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filter_ipv6_dst(GUA1['ROUTER_1']).\
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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 == GUA1['ROUTER_1']).\
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must_next()
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# Step 7: Border Router sends two ICMPv6 Echo Requests to MED using GUA 2003::
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# address
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# The DUT MUST NOT respond with an Address Notification message
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pkts.filter_wpan_src64(ROUTER_2).\
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filter_ipv6_dst(BR_RLOC).\
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filter_coap_request(ADDR_NTF_URI, port=MM).\
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must_not_next()
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pkts.filter_ping_request().\
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filter_wpan_src64(BR).\
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filter_ipv6_dst(GUA1['MED']).\
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must_next()
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if __name__ == '__main__':
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unittest.main()
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