| #!/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 node |
| |
| LEADER = 1 |
| ROUTER1 = 2 |
| DUT_ROUTER2 = 3 |
| ROUTER3 = 4 |
| SED1 = 5 |
| |
| |
| class Cert_5_3_09_AddressQuery(unittest.TestCase): |
| def setUp(self): |
| self.simulator = config.create_default_simulator() |
| |
| self.nodes = {} |
| for i in range(1, 6): |
| self.nodes[i] = node.Node(i, (i == SED1), simulator=self.simulator) |
| |
| self.nodes[LEADER].set_panid(0xface) |
| self.nodes[LEADER].set_mode('rsdn') |
| self.nodes[LEADER].add_whitelist(self.nodes[ROUTER1].get_addr64()) |
| self.nodes[LEADER].add_whitelist(self.nodes[DUT_ROUTER2].get_addr64()) |
| self.nodes[LEADER].add_whitelist(self.nodes[ROUTER3].get_addr64()) |
| self.nodes[LEADER].enable_whitelist() |
| |
| self.nodes[ROUTER1].set_panid(0xface) |
| self.nodes[ROUTER1].set_mode('rsdn') |
| self.nodes[ROUTER1].add_whitelist(self.nodes[LEADER].get_addr64()) |
| self.nodes[ROUTER1].enable_whitelist() |
| self.nodes[ROUTER1].set_router_selection_jitter(1) |
| |
| self.nodes[DUT_ROUTER2].set_panid(0xface) |
| self.nodes[DUT_ROUTER2].set_mode('rsdn') |
| self.nodes[DUT_ROUTER2].add_whitelist(self.nodes[LEADER].get_addr64()) |
| self.nodes[DUT_ROUTER2].add_whitelist(self.nodes[SED1].get_addr64()) |
| self.nodes[DUT_ROUTER2].enable_whitelist() |
| self.nodes[DUT_ROUTER2].set_router_selection_jitter(1) |
| |
| self.nodes[ROUTER3].set_panid(0xface) |
| self.nodes[ROUTER3].set_mode('rsdn') |
| self.nodes[ROUTER3].add_whitelist(self.nodes[LEADER].get_addr64()) |
| self.nodes[ROUTER3].enable_whitelist() |
| self.nodes[ROUTER3].set_router_selection_jitter(1) |
| |
| self.nodes[SED1].set_panid(0xface) |
| self.nodes[SED1].set_mode('s') |
| self.nodes[SED1].add_whitelist(self.nodes[DUT_ROUTER2].get_addr64()) |
| self.nodes[SED1].set_timeout(config.DEFAULT_CHILD_TIMEOUT) |
| self.nodes[SED1].enable_whitelist() |
| |
| def tearDown(self): |
| for n in list(self.nodes.values()): |
| n.stop() |
| n.destroy() |
| self.simulator.stop() |
| |
| 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" |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
