def test(self):
# 1 ALL: Build and verify the topology
self.nodes[LEADER].start()
self.simulator.go(5)
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
self.nodes[DUT_ROUTER1].start()
self.simulator.go(5)
self.assertEqual(self.nodes[DUT_ROUTER1].get_state(), 'router')
self.nodes[MED1].start()
self.simulator.go(5)
self.assertEqual(self.nodes[MED1].get_state(), 'child')
# 2 MED1: MED1 sends an ICMPv6 Echo Request to a non-existent
# mesh-local address X
X = "fd00:db8:0000:0000:aa55:aa55:aa55:aa55"
self.assertFalse(self.nodes[MED1].ping(X))
self.simulator.go(config.AQ_TIMEOUT)
# Verify DUT_ROUTER1 sent an Address Query Request message
dut_router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
msg = dut_router1_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(
msg,
self.nodes[DUT_ROUTER1],
config.REALM_LOCAL_ALL_ROUTERS_ADDRESS,
)
# Verify DUT_ROUTER1 didn't receive an Address Query Notification
# message
dut_router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
msg = dut_router1_messages.next_coap_message('0.02', '/a/an', False)
self.assertTrue(msg is None)
# 2 MED1: MED1 sends an ICMPv6 Echo Request to a non-existent mesh-local address X before
# ADDRESS_QUERY_INITIAL_RETRY_DELAY timeout expires
self.assertFalse(self.nodes[MED1].ping(X))
self.simulator.go(config.ADDRESS_QUERY_INITIAL_RETRY_DELAY)
# Verify DUT_ROUTER1 didn't generate an Address Query Request message
dut_router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
msg = dut_router1_messages.next_coap_message('0.02', '/a/aq', False)
self.assertTrue(msg is None)
# 3 MED1: MED1 sends an ICMPv6 Echo Request to a non-existent mesh-local address X after
# ADDRESS_QUERY_INITIAL_RETRY_DELAY timeout expired
self.assertFalse(self.nodes[MED1].ping(X))
# Verify DUT_ROUTER1 sent an Address Query Request message
dut_router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
msg = dut_router1_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(
msg,
self.nodes[DUT_ROUTER1],
config.REALM_LOCAL_ALL_ROUTERS_ADDRESS,
)
def test(self):
# 1
self.nodes[DUT_LEADER].start()
self.simulator.go(5)
self.assertEqual(self.nodes[DUT_LEADER].get_state(), 'leader')
for i in range(ROUTER1, MED3 + 1):
self.nodes[i].start()
self.simulator.go(5)
for i in [ROUTER1, ROUTER2]:
self.assertEqual(self.nodes[i].get_state(), 'router')
for i in MTDS:
self.assertEqual(self.nodes[i].get_state(), 'child')
# 2
leader_messages = self.simulator.get_messages_sent_by(DUT_LEADER)
msg = leader_messages.next_mle_message(mle.CommandType.ADVERTISEMENT)
command.check_mle_advertisement(msg)
# 3
self.nodes[ROUTER2].add_prefix('2001:2:0:1::/64', 'paros')
self.nodes[ROUTER2].register_netdata()
# Set lowpan context of sniffer
self.simulator.set_lowpan_context(1, '2001:2:0:1::/64')
self.nodes[MED1].add_ipaddr('2001:2:0:1::1234')
self.nodes[SED1].add_ipaddr('2001:2:0:1::1234')
self.simulator.go(5)
# 4
# Flush the message queue to avoid possible impact on follow-up
# verification.
self.simulator.get_messages_sent_by(DUT_LEADER)
self.nodes[MED3].ping('2001:2:0:1::1234')
# Verify DUT_LEADER sent an Address Query Request to the Realm local
# address.
dut_messages = self.simulator.get_messages_sent_by(DUT_LEADER)
msg = dut_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(msg, self.nodes[DUT_LEADER],
config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# 5 & 6
# Verify DUT_LEADER sent an Address Error Notification to the Realm
# local address.
self.simulator.go(5)
dut_messages = self.simulator.get_messages_sent_by(DUT_LEADER)
msg = dut_messages.next_coap_message('0.02', '/a/ae')
command.check_address_error_notification(
msg, self.nodes[DUT_LEADER],
config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
def test(self):
# 1
self.nodes[LEADER].start()
self.simulator.go(5)
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
self.nodes[DUT_ROUTER1].start()
for i in MTDS:
self.nodes[i].start()
self.simulator.go(5)
self.assertEqual(self.nodes[DUT_ROUTER1].get_state(), 'router')
for i in MTDS:
self.assertEqual(self.nodes[i].get_state(), 'child')
# This method flushes the message queue so calling this method again
# will return only the newly logged messages.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
# 2
for ED in [ED1, ED2, ED3, ED4]:
ed_mleid = self.nodes[ED].get_ip6_address(
config.ADDRESS_TYPE.ML_EID)
self.assertTrue(self.nodes[SED1].ping(ed_mleid))
self.simulator.go(5)
# Verify DUT_ROUTER1 generated an Address Query Request to find
# each node's RLOC.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
msg = dut_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(
msg,
self.nodes[DUT_ROUTER1],
config.REALM_LOCAL_ALL_ROUTERS_ADDRESS,
)
# 3 & 4
# This method flushes the message queue so calling this method again
# will return only the newly logged messages.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
for ED in [ED1, ED2, ED3, ED4]:
ed_mleid = self.nodes[ED].get_ip6_address(
config.ADDRESS_TYPE.ML_EID)
self.assertTrue(self.nodes[SED1].ping(ed_mleid))
self.simulator.go(5)
# Verify DUT_ROUTER1 didn't generate an Address Query Request.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
msg = dut_messages.next_coap_message('0.02', '/a/aq', False)
assert (
msg is None
), "Error: The DUT sent an unexpected Address Query Request"
def test(self):
# 1
self.nodes[DUT_LEADER].start()
self.simulator.go(5)
self.assertEqual(self.nodes[DUT_LEADER].get_state(), 'leader')
for i in range(ROUTER1, MED3 + 1):
self.nodes[i].start()
self.simulator.go(5)
for i in [ROUTER1, ROUTER2]:
self.assertEqual(self.nodes[i].get_state(), 'router')
for i in MTDS:
self.assertEqual(self.nodes[i].get_state(), 'child')
# 2
leader_messages = self.simulator.get_messages_sent_by(DUT_LEADER)
msg = leader_messages.next_mle_message(mle.CommandType.ADVERTISEMENT)
command.check_mle_advertisement(msg)
# 3
self.nodes[ROUTER2].add_prefix('2001:2:0:1::/64', 'paros')
self.nodes[ROUTER2].register_netdata()
# Set lowpan context of sniffer
self.simulator.set_lowpan_context(1, '2001:2:0:1::/64')
self.nodes[MED1].add_ipaddr('2001:2:0:1::1234')
self.nodes[SED1].add_ipaddr('2001:2:0:1::1234')
self.simulator.go(5)
# 4
# Flush the message queue to avoid possible impact on follow-up verification.
self.simulator.get_messages_sent_by(DUT_LEADER)
self.nodes[MED3].ping('2001:2:0:1::1234')
# Verify DUT_LEADER sent an Address Query Request to the Realm local address.
dut_messages = self.simulator.get_messages_sent_by(DUT_LEADER)
msg = dut_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(msg, self.nodes[DUT_LEADER], config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# 5 & 6
# Verify DUT_LEADER sent an Address Error Notification to the Realm local address.
self.simulator.go(5)
dut_messages = self.simulator.get_messages_sent_by(DUT_LEADER)
msg = dut_messages.next_coap_message('0.02', '/a/ae')
command.check_address_error_notification(msg, self.nodes[DUT_LEADER], config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
def test(self):
# 1 ALL: Build and verify the topology
self.nodes[LEADER].start()
self.simulator.go(5)
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
self.nodes[DUT_ROUTER1].start()
self.simulator.go(5)
self.assertEqual(self.nodes[DUT_ROUTER1].get_state(), 'router')
self.nodes[MED1].start()
self.simulator.go(5)
self.assertEqual(self.nodes[MED1].get_state(), 'child')
# 2 MED1: MED1 sends an ICMPv6 Echo Request to a non-existent mesh-local address X
X = "fdde:ad00:beef:0000:aa55:aa55:aa55:aa55"
self.assertFalse(self.nodes[MED1].ping(X))
self.simulator.go(config.AQ_TIMEOUT)
# Verify DUT_ROUTER1 sent an Address Query Request message
dut_router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
msg = dut_router1_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(msg, self.nodes[DUT_ROUTER1], config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# Verify DUT_ROUTER1 didn't receive an Address Query Notification message
dut_router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
msg = dut_router1_messages.next_coap_message('0.02', '/a/an', False)
self.assertTrue(msg is None)
# 2 MED1: MED1 sends an ICMPv6 Echo Request to a non-existent mesh-local address X before
# ADDRESS_QUERY_INITIAL_RETRY_DELAY timeout expires
self.assertFalse(self.nodes[MED1].ping(X))
self.simulator.go(config.ADDRESS_QUERY_INITIAL_RETRY_DELAY)
# Verify DUT_ROUTER1 didn't generate an Address Query Request message
dut_router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
msg = dut_router1_messages.next_coap_message('0.02', '/a/aq', False)
self.assertTrue(msg is None)
# 3 MED1: MED1 sends an ICMPv6 Echo Request to a non-existent mesh-local address X after
# ADDRESS_QUERY_INITIAL_RETRY_DELAY timeout expired
self.assertFalse(self.nodes[MED1].ping(X))
# Verify DUT_ROUTER1 sent an Address Query Request message
dut_router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
msg = dut_router1_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(msg, self.nodes[DUT_ROUTER1], config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
def test(self):
# 1
self.nodes[LEADER].start()
self.simulator.go(5)
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
self.nodes[DUT_ROUTER1].start()
for i in MTDS:
self.nodes[i].start()
self.simulator.go(5)
self.assertEqual(self.nodes[DUT_ROUTER1].get_state(), 'router')
for i in MTDS:
self.assertEqual(self.nodes[i].get_state(), 'child')
# This method flushes the message queue so calling this method again will return only the newly logged messages.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
# 2
for ED in [ED1, ED2, ED3, ED4]:
ed_mleid = self.nodes[ED].get_ip6_address(config.ADDRESS_TYPE.ML_EID)
self.assertTrue(self.nodes[SED1].ping(ed_mleid))
self.simulator.go(5)
# Verify DUT_ROUTER1 generated an Address Query Request to find each node's RLOC.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
msg = dut_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(msg, self.nodes[DUT_ROUTER1], config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# 3 & 4
# This method flushes the message queue so calling this method again will return only the newly logged messages.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
for ED in [ED1, ED2, ED3, ED4]:
ed_mleid = self.nodes[ED].get_ip6_address(config.ADDRESS_TYPE.ML_EID)
self.assertTrue(self.nodes[SED1].ping(ed_mleid))
self.simulator.go(5)
# Verify DUT_ROUTER1 didn't generate an Address Query Request.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
msg = dut_messages.next_coap_message('0.02', '/a/aq', False)
assert msg is None, "Error: The DUT sent an unexpected Address Query Request"
def test(self):
# 1
self.nodes[LEADER].start()
self.nodes[LEADER].set_state('leader')
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
self.nodes[ROUTER1].start()
self.nodes[DUT_ROUTER2].start()
self.nodes[ROUTER3].start()
self.nodes[MED1].start()
time.sleep(5)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
self.assertEqual(self.nodes[DUT_ROUTER2].get_state(), 'router')
self.assertEqual(self.nodes[ROUTER3].get_state(), 'router')
self.assertEqual(self.nodes[MED1].get_state(), 'child')
# 2
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
router3_mleid = self.nodes[ROUTER3].get_ip6_address(
config.ADDRESS_TYPE.ML_EID)
self.assertTrue(self.nodes[MED1].ping(router3_mleid))
# Verify DUT_ROUTER2 sent an Address Query Request to the Realm local address.
dut_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(msg, self.nodes[DUT_ROUTER2],
config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# 3
# Wait the finish of address resolution traffic triggerred by previous ping.
time.sleep(5)
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
med1_mleid = self.nodes[MED1].get_ip6_address(
config.ADDRESS_TYPE.ML_EID)
self.assertTrue(self.nodes[ROUTER1].ping(med1_mleid))
# Verify DUT_ROUTER2 responded with an Address Notification.
dut_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/an')
command.check_address_notification(msg, self.nodes[DUT_ROUTER2],
self.nodes[ROUTER1])
# 4
# Wait the finish of address resolution traffic triggerred by previous ping.
time.sleep(5)
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
self.assertTrue(self.nodes[MED1].ping(router3_mleid))
# Verify DUT_ROUTER2 didn't send an Address Query Request.
dut_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/aq', False)
assert msg is None, "The Address Query Request is not expected."
# 5
self.nodes[ROUTER3].stop()
# Wait for the Leader to expire its Router ID.
# MAX_NEIGHBOR_AGE + INFINITE_COST_TIMEOUT + ID_REUSE_DELAY + propagation time + transmission time ~ 580s.
time.sleep(580)
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
self.assertFalse(self.nodes[MED1].ping(router3_mleid))
# Verify DUT_ROUTER2 sent an Address Query Request to the Realm local address.
dut_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(msg, self.nodes[DUT_ROUTER2],
config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# 6
self.nodes[MED1].stop()
time.sleep(MED1_TIMEOUT)
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
self.assertFalse(self.nodes[ROUTER1].ping(med1_mleid))
self.assertFalse(self.nodes[ROUTER1].ping(med1_mleid))
# Verify DUT_ROUTER2 didn't respond with an Address Notification.
dut_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/an', False)
assert msg is None, "The Address Notification is not expected."
def test(self):
# 1 & 2 ALL: Build and verify the topology
self.nodes[LEADER].start()
self.simulator.go(5)
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
# Configure the LEADER to be a DHCPv6 Border Router for prefixes 2001::
# & 2002::
self.nodes[LEADER].add_prefix('2001::/64', 'pdros')
self.nodes[LEADER].add_prefix('2002::/64', 'pdro')
self.nodes[LEADER].register_netdata()
# Set lowpan context of sniffer
self.simulator.set_lowpan_context(1, '2001::/64')
self.simulator.set_lowpan_context(2, '2002::/64')
self.nodes[ROUTER1].start()
self.simulator.go(5)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
self.nodes[DUT_ROUTER2].start()
self.simulator.go(5)
self.assertEqual(self.nodes[DUT_ROUTER2].get_state(), 'router')
self.nodes[ROUTER3].start()
self.simulator.go(5)
self.assertEqual(self.nodes[ROUTER3].get_state(), 'router')
self.nodes[SED1].start()
self.simulator.go(5)
self.assertEqual(self.nodes[SED1].get_state(), 'child')
# 3 SED1: The SED1 sends an ICMPv6 Echo Request to ROUTER3 using GUA
# 2001:: address
router3_addr = self.nodes[ROUTER3].get_addr("2001::/64")
self.assertTrue(router3_addr is not None)
self.assertTrue(self.nodes[SED1].ping(router3_addr))
# Verify DUT_ROUTER2 sent an Address Query Request
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/aq')
msg.assertSentToDestinationAddress(
config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
command.check_address_query(
msg,
self.nodes[DUT_ROUTER2],
config.REALM_LOCAL_ALL_ROUTERS_ADDRESS,
)
# Verify the DUT_ROUTER2 forwarded the ICMPv6 Echo Request to ROUTER3
msg = dut_router2_messages.get_icmp_message(ipv6.ICMP_ECHO_REQUEST)
assert (
msg is not None
), "Error: The DUT_ROUTER2 didn't forward ICMPv6 Echo Request to ROUTER3"
msg.assertSentToNode(self.nodes[ROUTER3])
# 4 ROUTER1: ROUTER1 sends an ICMPv6 Echo Request to the SED1 using GUA
# 2001:: address
sed1_addr = self.nodes[SED1].get_addr("2001::/64")
self.assertTrue(sed1_addr is not None)
self.assertTrue(self.nodes[ROUTER1].ping(sed1_addr))
# Wait for sniffer got all Address Notification messages
self.simulator.go(1)
# Verify DUT_ROUTER2 sent an Address Notification message
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/an')
command.check_address_notification(msg, self.nodes[DUT_ROUTER2],
self.nodes[ROUTER1])
# 5 SED1: SED1 sends an ICMPv6 Echo Request to the ROUTER3 using GUA
# 2001:: address
self.assertTrue(self.nodes[SED1].ping(router3_addr))
# Wait for sniffer got the ICMPv6 Echo Reply
self.simulator.go(1)
# Verify DUT_ROUTER2 didn't generate Address Query Request
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
dut_router2_messages_temp = copy.deepcopy(dut_router2_messages)
msg = dut_router2_messages.next_coap_message('0.02', '/a/aq', False)
assert (
msg is None
), "Error: The DUT_ROUTER2 sent an unexpected Address Query Request"
# Verify DUT_ROUTER2 forwarded the ICMPv6 Echo Reply to SED1
msg = dut_router2_messages_temp.get_icmp_message(
ipv6.ICMP_ECHO_RESPONSE)
assert (
msg is not None
), "Error: The DUT_ROUTER2 didn't forward ICMPv6 Echo Reply to SED1"
msg.assertSentToNode(self.nodes[SED1])
# 6 DUT_ROUTER2: Power off ROUTER3 and wait 580s to alow LEADER to
# expire its Router ID
self.nodes[ROUTER3].stop()
self.simulator.go(580)
# The SED1 sends an ICMPv6 Echo Request to ROUTER3 GUA 2001:: address
self.assertFalse(self.nodes[SED1].ping(router3_addr))
# Verify DUT_ROUTER2 sent an Address Query Request
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/aq')
msg.assertSentToDestinationAddress(
config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# 7 SED1: Power off SED1 and wait to allow DUT_ROUTER2 to timeout the
# child
self.nodes[SED1].stop()
self.simulator.go(5)
# ROUTER1 sends two ICMPv6 Echo Requests to SED1 GUA 2001:: address
self.assertFalse(self.nodes[ROUTER1].ping(sed1_addr))
self.assertFalse(self.nodes[ROUTER1].ping(sed1_addr))
# Verify DUT_ROUTER2 didn't generate an Address Notification message
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/an', False)
assert (
msg is None
), "Error: The DUT_ROUTER2 sent an unexpected Address Notification message"
def test(self):
# 1
self.nodes[LEADER].start()
self.simulator.go(5)
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
self.nodes[ROUTER1].start()
self.nodes[DUT_ROUTER2].start()
self.nodes[ROUTER3].start()
self.nodes[MED1].start()
self.simulator.go(5)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
self.assertEqual(self.nodes[DUT_ROUTER2].get_state(), 'router')
self.assertEqual(self.nodes[ROUTER3].get_state(), 'router')
self.assertEqual(self.nodes[MED1].get_state(), 'child')
# 2
# Flush the message queue to avoid possible impact on follow-up
# verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
router3_mleid = self.nodes[ROUTER3].get_ip6_address(
config.ADDRESS_TYPE.ML_EID)
self.assertTrue(self.nodes[MED1].ping(router3_mleid))
# Verify DUT_ROUTER2 sent an Address Query Request to the Realm local
# address.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(
msg,
self.nodes[DUT_ROUTER2],
config.REALM_LOCAL_ALL_ROUTERS_ADDRESS,
)
# 3
# Wait the finish of address resolution traffic triggerred by previous
# ping.
self.simulator.go(5)
# Flush the message queue to avoid possible impact on follow-up
# verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
med1_mleid = self.nodes[MED1].get_ip6_address(
config.ADDRESS_TYPE.ML_EID)
self.assertTrue(self.nodes[ROUTER1].ping(med1_mleid))
# Verify DUT_ROUTER2 responded with an Address Notification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/an')
command.check_address_notification(msg, self.nodes[DUT_ROUTER2],
self.nodes[ROUTER1])
# 4
# Wait the finish of address resolution traffic triggerred by previous
# ping.
self.simulator.go(5)
# Flush the message queue to avoid possible impact on follow-up
# verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
self.assertTrue(self.nodes[MED1].ping(router3_mleid))
# Verify DUT_ROUTER2 didn't send an Address Query Request.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/aq', False)
assert msg is None, "The Address Query Request is not expected."
# 5
# Power off ROUTER3 and wait for leader to expire its Router ID.
# In this topology, ROUTER3 has two neighbors (Leader and DUT_ROUTER2),
# so the wait time is (MAX_NEIGHBOR_AGE (100s) + worst propagation time (32s * 15) for bad routing +\
# INFINITE_COST_TIMEOUT (90s) + transmission time + extra redundancy),
# totally ~700s.
self.nodes[ROUTER3].stop()
self.simulator.go(700)
# Flush the message queue to avoid possible impact on follow-up
# verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
self.assertFalse(self.nodes[MED1].ping(router3_mleid))
# Verify DUT_ROUTER2 sent an Address Query Request to the Realm local
# address.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(
msg,
self.nodes[DUT_ROUTER2],
config.REALM_LOCAL_ALL_ROUTERS_ADDRESS,
)
# 6
self.nodes[MED1].stop()
self.simulator.go(MED1_TIMEOUT)
# Flush the message queue to avoid possible impact on follow-up
# verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
self.assertFalse(self.nodes[ROUTER1].ping(med1_mleid))
self.assertFalse(self.nodes[ROUTER1].ping(med1_mleid))
# Verify DUT_ROUTER2 didn't respond with an Address Notification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/an', False)
assert msg is None, "The Address Notification is not expected."
def test(self):
# 1 & 2
# Build and verify the topology
self.nodes[LEADER].start()
self.nodes[LEADER].set_state('leader')
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
self.nodes[BR].start()
time.sleep(5)
self.assertEqual(self.nodes[BR].get_state(), 'router')
# Configure two On-Mesh Prefixes on the BR
self.nodes[BR].add_prefix('2003::/64', 'paros')
self.nodes[BR].add_prefix('2004::/64', 'paros')
self.nodes[BR].register_netdata()
# Set lowpan context of sniffer
self.sniffer.set_lowpan_context(1, '2003::/64')
self.sniffer.set_lowpan_context(2, '2004::/64')
self.nodes[DUT_ROUTER2].start()
time.sleep(5)
self.assertEqual(self.nodes[DUT_ROUTER2].get_state(), 'router')
self.nodes[ROUTER1].start()
time.sleep(5)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
self.nodes[MED1].start()
time.sleep(5)
self.assertEqual(self.nodes[MED1].get_state(), 'child')
# 3 MED1: MED1 sends an ICMPv6 Echo Request to Router1 using GUA 2003:: address
router1_addr = self.nodes[ROUTER1].get_addr("2003::/64")
self.assertTrue(router1_addr is not None)
self.assertTrue(self.nodes[MED1].ping(router1_addr))
# Wait for sniffer got Address Notification messages
time.sleep(1)
# Verify DUT_ROUTER2 sent an Address Query Request
dut_router2_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(msg, self.nodes[DUT_ROUTER2],
config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# Verify the DUT_ROUTER2 forwarded ICMPv6 Echo Request to ROUTER1
msg = dut_router2_messages.get_icmp_message(ipv6.ICMP_ECHO_REQUEST)
assert msg is not None, "Error: The DUT_ROUTER2 didn't forward ICMPv6 Echo Request to ROUTER1"
msg.assertSentToNode(self.nodes[ROUTER1])
# 4 BR: BR sends an ICMPv6 Echo Request to MED1 using GUA 2003:: address
med1_addr = self.nodes[MED1].get_addr("2003::/64")
self.assertTrue(med1_addr is not None)
self.assertTrue(self.nodes[BR].ping(med1_addr))
# Wait for sniffer got Address Notification messages
time.sleep(1)
# Verify DUT_ROUTER2 sent an Address Notification message
dut_router2_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/an')
command.check_address_notification(msg, self.nodes[DUT_ROUTER2],
self.nodes[BR])
# 5 MED1: MED1 sends an ICMPv6 Echo Request to ROUTER1 using GUA 2003:: address
addr = self.nodes[ROUTER1].get_addr("2003::/64")
self.assertTrue(addr is not None)
self.assertTrue(self.nodes[MED1].ping(addr))
# Wait for sniffer got ICMPv6 Echo Reply
time.sleep(1)
# Verify DUT_ROUTER2 didn't generate an Address Query Request
dut_router2_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
dut_router2_messages_temp = copy.deepcopy(dut_router2_messages)
msg = dut_router2_messages.next_coap_message('0.02', '/a/aq', False)
assert msg is None, "Error: The DUT_ROUTER2 sent an unexpected Address Query Request"
# Verify DUT_ROUTER2 forwarded ICMPv6 Echo Reply to MED1
msg = dut_router2_messages_temp.get_icmp_message(
ipv6.ICMP_ECHO_RESPONSE)
assert msg is not None, "Error: The DUT_ROUTER2 didn't forward ICMPv6 Echo Reply to MED1"
msg.assertSentToNode(self.nodes[MED1])
# 6 DUT_ROUTER2: Power off ROUTER1 and wait 580 seconds to allow the LEADER to expire its Router ID
router1_id = self.nodes[ROUTER1].get_router_id()
self.nodes[ROUTER1].stop()
time.sleep(580)
# Send an ICMPv6 Echo Request from MED1 to ROUTER1 GUA 2003:: address
self.assertFalse(self.nodes[MED1].ping(router1_addr))
# Verify the DUT_ROUTER2 has removed all entries based on ROUTER1's Router ID
command.check_router_id_cached(self.nodes[DUT_ROUTER2], router1_id,
False)
# Verify DUT_ROUTER2 sent an Address Query Request
dut_router2_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/aq')
msg.assertSentToDestinationAddress(
config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# 7 MED1: Power off MED1 and wait to allow DUT_ROUTER2 to timeout the child
self.nodes[MED1].stop()
time.sleep(config.MLE_END_DEVICE_TIMEOUT)
# BR sends two ICMPv6 Echo Requests to MED1 GUA 2003:: address
self.assertFalse(self.nodes[BR].ping(med1_addr))
self.assertFalse(self.nodes[BR].ping(med1_addr))
# Verify DUT_ROUTER2 didn't generate an Address Notification message
dut_router2_messages = self.sniffer.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/an/', False)
assert msg is None, "Error: The DUT_ROUTER2 sent an unexpected Address Notification message"
def test(self):
# 1 & 2 ALL: Build and verify the topology
self.nodes[LEADER].start()
self.simulator.go(5)
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
# Configure the LEADER to be a DHCPv6 Border Router for prefixes 2001:: & 2002::
self.nodes[LEADER].add_prefix('2001::/64', 'pdros')
self.nodes[LEADER].add_prefix('2002::/64', 'pdro')
self.nodes[LEADER].register_netdata()
# Set lowpan context of sniffer
self.simulator.set_lowpan_context(1, '2001::/64')
self.simulator.set_lowpan_context(2, '2002::/64')
self.nodes[ROUTER1].start()
self.simulator.go(5)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
self.nodes[DUT_ROUTER2].start()
self.simulator.go(5)
self.assertEqual(self.nodes[DUT_ROUTER2].get_state(), 'router')
self.nodes[ROUTER3].start()
self.simulator.go(5)
self.assertEqual(self.nodes[ROUTER3].get_state(), 'router')
self.nodes[SED1].start()
self.simulator.go(5)
self.assertEqual(self.nodes[SED1].get_state(), 'child')
# 3 SED1: The SED1 sends an ICMPv6 Echo Request to ROUTER3 using GUA 2001:: address
router3_addr = self.nodes[ROUTER3].get_addr("2001::/64")
self.assertTrue(router3_addr is not None)
self.assertTrue(self.nodes[SED1].ping(router3_addr))
# Verify DUT_ROUTER2 sent an Address Query Request
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/aq')
msg.assertSentToDestinationAddress(config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
command.check_address_query(msg, self.nodes[DUT_ROUTER2], config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# Verify the DUT_ROUTER2 forwarded the ICMPv6 Echo Request to ROUTER3
msg = dut_router2_messages.get_icmp_message(ipv6.ICMP_ECHO_REQUEST)
assert msg is not None, "Error: The DUT_ROUTER2 didn't forward ICMPv6 Echo Request to ROUTER3"
msg.assertSentToNode(self.nodes[ROUTER3])
# 4 ROUTER1: ROUTER1 sends an ICMPv6 Echo Request to the SED1 using GUA 2001:: address
sed1_addr = self.nodes[SED1].get_addr("2001::/64")
self.assertTrue(sed1_addr is not None)
self.assertTrue(self.nodes[ROUTER1].ping(sed1_addr))
# Wait for sniffer got all Address Notification messages
self.simulator.go(1)
# Verify DUT_ROUTER2 sent an Address Notification message
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/an')
command.check_address_notification(msg, self.nodes[DUT_ROUTER2], self.nodes[ROUTER1])
# 5 SED1: SED1 sends an ICMPv6 Echo Request to the ROUTER3 using GUA 2001:: address
self.assertTrue(self.nodes[SED1].ping(router3_addr))
# Wait for sniffer got the ICMPv6 Echo Reply
self.simulator.go(1)
# Verify DUT_ROUTER2 didn't generate Address Query Request
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
dut_router2_messages_temp = copy.deepcopy(dut_router2_messages)
msg = dut_router2_messages.next_coap_message('0.02', '/a/aq', False)
assert msg is None, "Error: The DUT_ROUTER2 sent an unexpected Address Query Request"
# Verify DUT_ROUTER2 forwarded the ICMPv6 Echo Reply to SED1
msg = dut_router2_messages_temp.get_icmp_message(ipv6.ICMP_ECHO_RESPONSE)
assert msg is not None, "Error: The DUT_ROUTER2 didn't forward ICMPv6 Echo Reply to SED1"
msg.assertSentToNode(self.nodes[SED1])
# 6 DUT_ROUTER2: Power off ROUTER3 and wait 580s to alow LEADER to expire its Router ID
self.nodes[ROUTER3].stop()
self.simulator.go(580)
# The SED1 sends an ICMPv6 Echo Request to ROUTER3 GUA 2001:: address
self.assertFalse(self.nodes[SED1].ping(router3_addr))
# Verify DUT_ROUTER2 sent an Address Query Request
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/aq')
msg.assertSentToDestinationAddress(config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# 7 SED1: Power off SED1 and wait to allow DUT_ROUTER2 to timeout the child
self.nodes[SED1].stop()
self.simulator.go(5)
# ROUTER1 sends two ICMPv6 Echo Requests to SED1 GUA 2001:: address
self.assertFalse(self.nodes[ROUTER1].ping(sed1_addr))
self.assertFalse(self.nodes[ROUTER1].ping(sed1_addr))
# Verify DUT_ROUTER2 didn't generate an Address Notification message
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/an', False)
assert msg is None, "Error: The DUT_ROUTER2 sent an unexpected Address Notification message"
def test(self):
# 1
self.nodes[LEADER].start()
self.simulator.go(5)
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
self.nodes[ROUTER1].start()
self.nodes[DUT_ROUTER2].start()
self.nodes[ROUTER3].start()
self.nodes[MED1].start()
self.simulator.go(5)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
self.assertEqual(self.nodes[DUT_ROUTER2].get_state(), 'router')
self.assertEqual(self.nodes[ROUTER3].get_state(), 'router')
self.assertEqual(self.nodes[MED1].get_state(), 'child')
# 2
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
router3_mleid = self.nodes[ROUTER3].get_ip6_address(config.ADDRESS_TYPE.ML_EID)
self.assertTrue(self.nodes[MED1].ping(router3_mleid))
# Verify DUT_ROUTER2 sent an Address Query Request to the Realm local address.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(msg, self.nodes[DUT_ROUTER2], config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# 3
# Wait the finish of address resolution traffic triggerred by previous ping.
self.simulator.go(5)
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
med1_mleid = self.nodes[MED1].get_ip6_address(config.ADDRESS_TYPE.ML_EID)
self.assertTrue(self.nodes[ROUTER1].ping(med1_mleid))
# Verify DUT_ROUTER2 responded with an Address Notification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/an')
command.check_address_notification(msg, self.nodes[DUT_ROUTER2], self.nodes[ROUTER1])
# 4
# Wait the finish of address resolution traffic triggerred by previous ping.
self.simulator.go(5)
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
self.assertTrue(self.nodes[MED1].ping(router3_mleid))
# Verify DUT_ROUTER2 didn't send an Address Query Request.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/aq', False)
assert msg is None, "The Address Query Request is not expected."
# 5
self.nodes[ROUTER3].stop()
# Wait for the Leader to expire its Router ID.
# MAX_NEIGHBOR_AGE + INFINITE_COST_TIMEOUT + ID_REUSE_DELAY + propagation time + transmission time ~ 580s.
self.simulator.go(580)
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
self.assertFalse(self.nodes[MED1].ping(router3_mleid))
# Verify DUT_ROUTER2 sent an Address Query Request to the Realm local address.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(msg, self.nodes[DUT_ROUTER2], config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# 6
self.nodes[MED1].stop()
self.simulator.go(MED1_TIMEOUT)
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
self.assertFalse(self.nodes[ROUTER1].ping(med1_mleid))
self.assertFalse(self.nodes[ROUTER1].ping(med1_mleid))
# Verify DUT_ROUTER2 didn't respond with an Address Notification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/an', False)
assert msg is None, "The Address Notification is not expected."
def test(self):
# 1
self.nodes[LEADER].start()
self.simulator.go(5)
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
self.nodes[ROUTER1].start()
self.nodes[DUT_ROUTER2].start()
self.nodes[ROUTER3].start()
self.nodes[MED1].start()
self.simulator.go(5)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
self.assertEqual(self.nodes[DUT_ROUTER2].get_state(), 'router')
self.assertEqual(self.nodes[ROUTER3].get_state(), 'router')
self.assertEqual(self.nodes[MED1].get_state(), 'child')
# 2
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
router3_mleid = self.nodes[ROUTER3].get_ip6_address(config.ADDRESS_TYPE.ML_EID)
self.assertTrue(self.nodes[MED1].ping(router3_mleid))
# Verify DUT_ROUTER2 sent an Address Query Request to the Realm local address.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(msg, self.nodes[DUT_ROUTER2], config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# 3
# Wait the finish of address resolution traffic triggerred by previous ping.
self.simulator.go(5)
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
med1_mleid = self.nodes[MED1].get_ip6_address(config.ADDRESS_TYPE.ML_EID)
self.assertTrue(self.nodes[ROUTER1].ping(med1_mleid))
# Verify DUT_ROUTER2 responded with an Address Notification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/an')
command.check_address_notification(msg, self.nodes[DUT_ROUTER2], self.nodes[ROUTER1])
# 4
# Wait the finish of address resolution traffic triggerred by previous ping.
self.simulator.go(5)
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
self.assertTrue(self.nodes[MED1].ping(router3_mleid))
# Verify DUT_ROUTER2 didn't send an Address Query Request.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/aq', False)
assert msg is None, "The Address Query Request is not expected."
# 5
# Power off ROUTER3 and wait for leader to expire its Router ID.
# In this topology, ROUTER3 has two neighbors (Leader and DUT_ROUTER2),
# so the wait time is (MAX_NEIGHBOR_AGE (100s) + worst propagation time (32s * 15) for bad routing +\
# INFINITE_COST_TIMEOUT (90s) + transmission time + extra redundancy), totally ~700s.
self.nodes[ROUTER3].stop()
self.simulator.go(700)
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
self.assertFalse(self.nodes[MED1].ping(router3_mleid))
# Verify DUT_ROUTER2 sent an Address Query Request to the Realm local address.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(msg, self.nodes[DUT_ROUTER2], config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# 6
self.nodes[MED1].stop()
self.simulator.go(MED1_TIMEOUT)
# Flush the message queue to avoid possible impact on follow-up verification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
self.assertFalse(self.nodes[ROUTER1].ping(med1_mleid))
self.assertFalse(self.nodes[ROUTER1].ping(med1_mleid))
# Verify DUT_ROUTER2 didn't respond with an Address Notification.
dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_messages.next_coap_message('0.02', '/a/an', False)
assert msg is None, "The Address Notification is not expected."
def test(self):
# 1 & 2
# Build and verify the topology
self.nodes[LEADER].start()
self.simulator.go(5)
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
self.nodes[BR].start()
self.simulator.go(5)
self.assertEqual(self.nodes[BR].get_state(), 'router')
# Configure two On-Mesh Prefixes on the BR
self.nodes[BR].add_prefix('2003::/64', 'paros')
self.nodes[BR].add_prefix('2004::/64', 'paros')
self.nodes[BR].register_netdata()
# Set lowpan context of sniffer
self.simulator.set_lowpan_context(1, '2003::/64')
self.simulator.set_lowpan_context(2, '2004::/64')
self.nodes[DUT_ROUTER2].start()
self.simulator.go(5)
self.assertEqual(self.nodes[DUT_ROUTER2].get_state(), 'router')
self.nodes[ROUTER1].start()
self.simulator.go(5)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
self.nodes[MED1].start()
self.simulator.go(5)
self.assertEqual(self.nodes[MED1].get_state(), 'child')
# 3 MED1: MED1 sends an ICMPv6 Echo Request to Router1 using GUA 2003:: address
router1_addr = self.nodes[ROUTER1].get_addr("2003::/64")
self.assertTrue(router1_addr is not None)
self.assertTrue(self.nodes[MED1].ping(router1_addr))
# Wait for sniffer got Address Notification messages
self.simulator.go(1)
# Verify DUT_ROUTER2 sent an Address Query Request
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/aq')
command.check_address_query(msg, self.nodes[DUT_ROUTER2], config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# Verify the DUT_ROUTER2 forwarded ICMPv6 Echo Request to ROUTER1
msg = dut_router2_messages.get_icmp_message(ipv6.ICMP_ECHO_REQUEST)
assert msg is not None, "Error: The DUT_ROUTER2 didn't forward ICMPv6 Echo Request to ROUTER1"
msg.assertSentToNode(self.nodes[ROUTER1])
# 4 BR: BR sends an ICMPv6 Echo Request to MED1 using GUA 2003:: address
med1_addr = self.nodes[MED1].get_addr("2003::/64")
self.assertTrue(med1_addr is not None)
self.assertTrue(self.nodes[BR].ping(med1_addr))
# Wait for sniffer got Address Notification messages
self.simulator.go(1)
# Verify DUT_ROUTER2 sent an Address Notification message
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/an')
command.check_address_notification(msg, self.nodes[DUT_ROUTER2], self.nodes[BR])
# 5 MED1: MED1 sends an ICMPv6 Echo Request to ROUTER1 using GUA 2003:: address
addr = self.nodes[ROUTER1].get_addr("2003::/64")
self.assertTrue(addr is not None)
self.assertTrue(self.nodes[MED1].ping(addr))
# Wait for sniffer got ICMPv6 Echo Reply
self.simulator.go(1)
# Verify DUT_ROUTER2 didn't generate an Address Query Request
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
dut_router2_messages_temp = copy.deepcopy(dut_router2_messages)
msg = dut_router2_messages.next_coap_message('0.02', '/a/aq', False)
assert msg is None, "Error: The DUT_ROUTER2 sent an unexpected Address Query Request"
# Verify DUT_ROUTER2 forwarded ICMPv6 Echo Reply to MED1
msg = dut_router2_messages_temp.get_icmp_message(ipv6.ICMP_ECHO_RESPONSE)
assert msg is not None, "Error: The DUT_ROUTER2 didn't forward ICMPv6 Echo Reply to MED1"
msg.assertSentToNode(self.nodes[MED1])
# 6 DUT_ROUTER2: Power off ROUTER1 and wait 580 seconds to allow the LEADER to expire its Router ID
router1_id = self.nodes[ROUTER1].get_router_id()
self.nodes[ROUTER1].stop()
self.simulator.go(580)
# Send an ICMPv6 Echo Request from MED1 to ROUTER1 GUA 2003:: address
self.assertFalse(self.nodes[MED1].ping(router1_addr))
# Verify the DUT_ROUTER2 has removed all entries based on ROUTER1's Router ID
command.check_router_id_cached(self.nodes[DUT_ROUTER2], router1_id, False)
# Verify DUT_ROUTER2 sent an Address Query Request
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/aq')
msg.assertSentToDestinationAddress(config.REALM_LOCAL_ALL_ROUTERS_ADDRESS)
# 7 MED1: Power off MED1 and wait to allow DUT_ROUTER2 to timeout the child
self.nodes[MED1].stop()
self.simulator.go(config.MLE_END_DEVICE_TIMEOUT)
# BR sends two ICMPv6 Echo Requests to MED1 GUA 2003:: address
self.assertFalse(self.nodes[BR].ping(med1_addr))
self.assertFalse(self.nodes[BR].ping(med1_addr))
# Verify DUT_ROUTER2 didn't generate an Address Notification message
dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
msg = dut_router2_messages.next_coap_message('0.02', '/a/an/', False)
assert msg is None, "Error: The DUT_ROUTER2 sent an unexpected Address Notification message"
