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openthread/tests/scripts/thread-cert/Cert_5_1_05_RouterAddressTimeout.py
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Abtin Keshavarzian 5d09e9ca4f [mle] update number parent requests in an attach cycle (#7538) 
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.
2022-07-07 16:50:21 -07:00

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#!/usr/bin/env python3
#
# Copyright (c) 2016, The OpenThread Authors.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of the copyright holder nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
import unittest
import config
import mle
import network_layer
import thread_cert
from pktverify.consts import MLE_PARENT_RESPONSE, MLE_CHILD_ID_RESPONSE, MLE_LINK_REQUEST, ADDR_SOL_URI, CHALLENGE_TLV, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, CONNECTIVITY_TLV, ROUTE64_TLV, ADDRESS16_TLV, LEADER_DATA_TLV, NETWORK_DATA_TLV, VERSION_TLV, TLV_REQUEST_TLV, LINK_MARGIN_TLV, SOURCE_ADDRESS_TLV, COAP_CODE_ACK, COAP_CODE_POST, NL_MAC_EXTENDED_ADDRESS_TLV, NL_STATUS_TLV, NL_RLOC16_TLV, NL_ROUTER_MASK_TLV
from pktverify.packet_verifier import PacketVerifier
LEADER = 1
ROUTER1 = 2
# Test Purpose and Description:
# -----------------------------
# The purpose of this test case is to verify that after deallocating a Router ID,
# Leader as a DUT doesn't reassign the Router ID for at least ID_REUSE_DELAY
# seconds
#
# Test Topology:
# -------------
# Leader
# |
# Router
#
# DUT Types:
# ----------
# Leader
class Cert_5_1_05_RouterAddressTimeout(thread_cert.TestCase):
USE_MESSAGE_FACTORY = False
TOPOLOGY = {
LEADER: {
'name': 'LEADER',
'mode': 'rdn',
'allowlist': [ROUTER1]
},
ROUTER1: {
'name': 'ROUTER',
'mode': 'rdn',
'allowlist': [LEADER]
},
}
def _setUpRouter1(self):
self.nodes[ROUTER1].add_allowlist(self.nodes[LEADER].get_addr64())
self.nodes[ROUTER1].enable_allowlist()
self.nodes[ROUTER1].set_router_selection_jitter(1)
def test(self):
self.nodes[LEADER].start()
self.simulator.go(config.LEADER_STARTUP_DELAY)
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
self.nodes[ROUTER1].start()
self.simulator.go(config.ROUTER_STARTUP_DELAY)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
self.nodes[ROUTER1].reset()
self._setUpRouter1()
self.simulator.go(200)
self.nodes[ROUTER1].start()
self.simulator.go(15)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
self.nodes[ROUTER1].reset()
self._setUpRouter1()
self.simulator.go(300)
self.nodes[ROUTER1].start()
self.simulator.go(15)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
def verify(self, pv):
pkts = pv.pkts
pv.summary.show()
LEADER = pv.vars['LEADER']
ROUTER = pv.vars['ROUTER']
MM = pv.vars['MM_PORT']
# Step 1: Verify topology is formed correctly.
pv.verify_attached('ROUTER')
_pkt_as = pkts.filter_wpan_src64(LEADER).\
filter_coap_ack(ADDR_SOL_URI, port=MM).\
filter(lambda p: {
NL_STATUS_TLV,
NL_RLOC16_TLV,
NL_ROUTER_MASK_TLV
} == set(p.coap.tlv.type) and\
p.coap.code == COAP_CODE_ACK and\
p.thread_address.tlv.status == 0
).\
must_next()
# Step 3: Router automatically sends a link request, reattaches and
# requests its original Router ID after reset within the
# ID_REUSE_DELAY interval
pkts.filter_wpan_src64(ROUTER).\
filter_LLARMA().\
filter_mle_cmd(MLE_LINK_REQUEST).\
filter(lambda p: {
CHALLENGE_TLV,
VERSION_TLV,
TLV_REQUEST_TLV,
ADDRESS16_TLV,
ROUTE64_TLV
} <= set(p.mle.tlv.type)\
).\
must_next()
# Step 4: Leader MUST send a properly formatted Parent Response and
# Child ID Response to Router.
# And send Address Solicit Response Message to Router.
# The RLOC16 TLV in the Address Solicit Response message MUST
# contain a different Router ID then the one allocated in the
# original attach because ID_REUSE_DELAY interval has not
# timed out.
#
# CoAP Response Code
# - 2.04 Changed
# CoAP Payload
# - Status TLV (value = Success)
# - RLOC16 TLV
# - Router Mask TLV
pkts.filter_wpan_src64(LEADER).\
filter_wpan_dst64(ROUTER).\
filter_mle_cmd(MLE_PARENT_RESPONSE).\
filter(lambda p: {
CHALLENGE_TLV,
CONNECTIVITY_TLV,
LEADER_DATA_TLV,
LINK_LAYER_FRAME_COUNTER_TLV,
LINK_MARGIN_TLV,
RESPONSE_TLV,
SOURCE_ADDRESS_TLV,
VERSION_TLV
} <= set(p.mle.tlv.type)
).\
must_next()
pkts.filter_wpan_src64(LEADER).\
filter_wpan_dst64(ROUTER).\
filter_mle_cmd(MLE_CHILD_ID_RESPONSE).\
filter(lambda p: {
ADDRESS16_TLV,
LEADER_DATA_TLV,
NETWORK_DATA_TLV,
SOURCE_ADDRESS_TLV,
ROUTE64_TLV
} <= set(p.mle.tlv.type) or\
{
ADDRESS16_TLV,
LEADER_DATA_TLV,
NETWORK_DATA_TLV,
SOURCE_ADDRESS_TLV
} <= set(p.mle.tlv.type)\
).\
must_next()
_pkt_as2 = pkts.filter_wpan_src64(ROUTER).\
filter_coap_request(ADDR_SOL_URI, port=MM).\
filter(lambda p: {
NL_MAC_EXTENDED_ADDRESS_TLV,
NL_RLOC16_TLV,
NL_STATUS_TLV
} == set(p.coap.tlv.type) and\
p.coap.code == COAP_CODE_POST and\
p.thread_address.tlv.rloc16 ==
_pkt_as.thread_address.tlv.rloc16
).\
must_next()
_pkt_as3 = pkts.filter_wpan_src64(LEADER).\
filter_coap_ack(ADDR_SOL_URI, port=MM).\
filter(lambda p: {
NL_STATUS_TLV,
NL_RLOC16_TLV,
NL_ROUTER_MASK_TLV
} == set(p.coap.tlv.type) and\
p.coap.code == COAP_CODE_ACK and\
p.thread_address.tlv.rloc16 !=
_pkt_as2.thread_address.tlv.rloc16 and\
p.thread_address.tlv.status == 0
).\
must_next()
# Step 6: Router automatically sends a link request, reattaches and
# requests its most recent Router ID after reset after the
# ID_REUSE_DELAY interval
pkts.filter_wpan_src64(ROUTER).\
filter_LLARMA().\
filter_mle_cmd(MLE_LINK_REQUEST).\
filter(lambda p: {
CHALLENGE_TLV,
VERSION_TLV,
TLV_REQUEST_TLV,
ADDRESS16_TLV,
ROUTE64_TLV
} <= set(p.mle.tlv.type)\
).\
must_next()
# Step 7: Leader MUST send a properly formatted Parent Response and
# Child ID Response to Router.
# And send Address Solicit Response Message to Router.
# The RLOC16 TLV in the Address Solicit Response message MUST
# contain the requested Router ID
#
# CoAP Response Code
# - 2.04 Changed
# CoAP Payload
# - Status TLV (value = Success)
# - RLOC16 TLV
# - Router Mask TLV
pkts.filter_wpan_src64(LEADER).\
filter_wpan_dst64(ROUTER).\
filter_mle_cmd(MLE_PARENT_RESPONSE).\
filter(lambda p: {
CHALLENGE_TLV,
CONNECTIVITY_TLV,
LEADER_DATA_TLV,
LINK_LAYER_FRAME_COUNTER_TLV,
LINK_MARGIN_TLV,
RESPONSE_TLV,
SOURCE_ADDRESS_TLV,
VERSION_TLV
} <= set(p.mle.tlv.type)
).\
must_next()
pkts.filter_wpan_src64(LEADER).\
filter_wpan_dst64(ROUTER).\
filter_mle_cmd(MLE_CHILD_ID_RESPONSE).\
filter(lambda p: {
ADDRESS16_TLV,
LEADER_DATA_TLV,
NETWORK_DATA_TLV,
SOURCE_ADDRESS_TLV,
ROUTE64_TLV
} <= set(p.mle.tlv.type) or\
{
ADDRESS16_TLV,
LEADER_DATA_TLV,
NETWORK_DATA_TLV,
SOURCE_ADDRESS_TLV
} <= set(p.mle.tlv.type)\
).\
must_next()
pkts.filter_wpan_src64(ROUTER).\
filter_coap_request(ADDR_SOL_URI, port=MM).\
filter(lambda p: {
NL_MAC_EXTENDED_ADDRESS_TLV,
NL_RLOC16_TLV,
NL_STATUS_TLV
} == set(p.coap.tlv.type) and\
p.coap.code == COAP_CODE_POST and\
p.thread_address.tlv.rloc16 ==
_pkt_as3.thread_address.tlv.rloc16
).\
must_next()
pkts.filter_wpan_src64(LEADER).\
filter_coap_ack(ADDR_SOL_URI, port=MM).\
filter(lambda p: {
NL_STATUS_TLV,
NL_RLOC16_TLV,
NL_ROUTER_MASK_TLV
} == set(p.coap.tlv.type) and\
p.coap.code == COAP_CODE_ACK and\
p.thread_address.tlv.rloc16 ==
_pkt_as3.thread_address.tlv.rloc16 and\
p.thread_address.tlv.status == 0
).\
must_next()
if __name__ == '__main__':
unittest.main()
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