| #!/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 node |
| import config |
| import command |
| |
| LEADER = 1 |
| ROUTER1 = 2 |
| DUT_ROUTER2 = 3 |
| ROUTER3 = 4 |
| MED1 = 5 |
| MED1_TIMEOUT = 3 |
| |
| |
| class Cert_5_3_3_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 == MED1), simulator=self.simulator) |
| |
| self.nodes[LEADER].set_panid() |
| 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() |
| 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() |
| 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[ROUTER3].get_addr64()) |
| self.nodes[DUT_ROUTER2].add_whitelist(self.nodes[MED1].get_addr64()) |
| self.nodes[DUT_ROUTER2].enable_whitelist() |
| self.nodes[DUT_ROUTER2].set_router_selection_jitter(1) |
| |
| self.nodes[ROUTER3].set_panid() |
| self.nodes[ROUTER3].set_mode('rsdn') |
| self.nodes[ROUTER3].add_whitelist(self.nodes[LEADER].get_addr64()) |
| self.nodes[ROUTER3].add_whitelist(self.nodes[DUT_ROUTER2].get_addr64()) |
| self.nodes[ROUTER3].enable_whitelist() |
| self.nodes[ROUTER3].set_router_selection_jitter(1) |
| |
| self.nodes[MED1].set_panid() |
| self.nodes[MED1].set_mode('rsn') |
| self.nodes[MED1].add_whitelist(self.nodes[DUT_ROUTER2].get_addr64()) |
| self.nodes[MED1].set_timeout(MED1_TIMEOUT) |
| self.nodes[MED1].enable_whitelist() |
| |
| def tearDown(self): |
| for n in list(self.nodes.values()): |
| n.stop() |
| n.destroy() |
| self.simulator.stop() |
| |
| 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." |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
