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
# 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"