| #!/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 copy |
| import unittest |
| |
| import command |
| import config |
| import ipv6 |
| import thread_cert |
| |
| LEADER = 1 |
| BR = 2 |
| ROUTER1 = 3 |
| DUT_ROUTER2 = 4 |
| MED1 = 5 |
| |
| |
| class Cert_5_3_10_AddressQuery(thread_cert.TestCase): |
| SUPPORT_NCP = False |
| |
| TOPOLOGY = { |
| LEADER: { |
| 'mode': 'rsdn', |
| 'panid': 0xface, |
| 'whitelist': [BR, ROUTER1, DUT_ROUTER2] |
| }, |
| BR: { |
| 'mode': 'rsdn', |
| 'panid': 0xface, |
| 'router_selection_jitter': 1, |
| 'whitelist': [LEADER] |
| }, |
| ROUTER1: { |
| 'mode': 'rsdn', |
| 'panid': 0xface, |
| 'router_selection_jitter': 1, |
| 'whitelist': [LEADER, DUT_ROUTER2] |
| }, |
| DUT_ROUTER2: { |
| 'mode': 'rsdn', |
| 'panid': 0xface, |
| 'router_selection_jitter': 1, |
| 'whitelist': [LEADER, ROUTER1, MED1] |
| }, |
| MED1: { |
| 'is_mtd': True, |
| 'mode': 'rsn', |
| 'panid': 0xface, |
| 'whitelist': [DUT_ROUTER2] |
| }, |
| } |
| |
| 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" |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |