| #!/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 mle |
| import config |
| import command |
| |
| DUT_LEADER = 1 |
| ROUTER1 = 2 |
| ROUTER2 = 3 |
| |
| |
| class Cert_5_3_6_RouterIdMask(unittest.TestCase): |
| def setUp(self): |
| self.simulator = config.create_default_simulator() |
| |
| self.nodes = {} |
| for i in range(1, 4): |
| self.nodes[i] = node.Node(i, simulator=self.simulator) |
| |
| self.nodes[DUT_LEADER].set_panid(0xface) |
| self.nodes[DUT_LEADER].set_mode('rsdn') |
| self.nodes[DUT_LEADER].add_whitelist(self.nodes[ROUTER1].get_addr64()) |
| self.nodes[DUT_LEADER].enable_whitelist() |
| |
| self.nodes[ROUTER1].set_panid(0xface) |
| self.nodes[ROUTER1].set_mode('rsdn') |
| self.nodes[ROUTER1].add_whitelist(self.nodes[DUT_LEADER].get_addr64()) |
| self.nodes[ROUTER1].add_whitelist(self.nodes[ROUTER2].get_addr64()) |
| self.nodes[ROUTER1].enable_whitelist() |
| self.nodes[ROUTER1].set_router_selection_jitter(1) |
| |
| self.nodes[ROUTER2].set_panid(0xface) |
| self.nodes[ROUTER2].set_mode('rsdn') |
| self._setUpRouter2() |
| |
| def _setUpRouter2(self): |
| self.nodes[ROUTER2].add_whitelist(self.nodes[ROUTER1].get_addr64()) |
| self.nodes[ROUTER2].enable_whitelist() |
| self.nodes[ROUTER2].set_router_selection_jitter(1) |
| |
| def tearDown(self): |
| for n in list(self.nodes.values()): |
| n.stop() |
| n.destroy() |
| self.simulator.stop() |
| |
| def test(self): |
| # 1 |
| self.nodes[DUT_LEADER].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[DUT_LEADER].get_state(), 'leader') |
| |
| self.nodes[ROUTER1].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[ROUTER1].get_state(), 'router') |
| |
| self.nodes[ROUTER2].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[ROUTER2].get_state(), 'router') |
| router2_id = self.nodes[ROUTER2].get_router_id() |
| |
| # Wait DUT_LEADER to establish routing to ROUTER2 via ROUTER1's MLE |
| # advertisement. |
| self.simulator.go(config.MAX_ADVERTISEMENT_INTERVAL) |
| |
| # 2 |
| self.nodes[ROUTER2].reset() |
| self._setUpRouter2() |
| |
| # 3 & 4 |
| # Flush the message queue to avoid possible impact on follow-up |
| # verification. |
| self.simulator.get_messages_sent_by(DUT_LEADER) |
| |
| # Verify the cost from DUT_LEADER to ROUTER2 goes to infinity in 12 |
| # mins. |
| routing_cost = 1 |
| for i in range(0, 24): |
| self.simulator.go(30) |
| print("%ss" % ((i + 1) * 30)) |
| |
| leader_messages = self.simulator.get_messages_sent_by(DUT_LEADER) |
| msg = leader_messages.last_mle_message( |
| mle.CommandType.ADVERTISEMENT, False |
| ) |
| if msg is None: |
| continue |
| |
| self.assertTrue(command.check_id_set(msg, router2_id)) |
| |
| routing_cost = command.get_routing_cost(msg, router2_id) |
| if routing_cost == 0: |
| break |
| self.assertTrue(routing_cost == 0) |
| |
| self.simulator.go( |
| config.INFINITE_COST_TIMEOUT + config.MAX_ADVERTISEMENT_INTERVAL |
| ) |
| leader_messages = self.simulator.get_messages_sent_by(DUT_LEADER) |
| msg = leader_messages.last_mle_message(mle.CommandType.ADVERTISEMENT) |
| self.assertFalse(command.check_id_set(msg, router2_id)) |
| |
| # 5 |
| # Flush the message queue to avoid possible impact on follow-up |
| # verification. |
| self.simulator.get_messages_sent_by(DUT_LEADER) |
| |
| self.nodes[ROUTER2].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[ROUTER2].get_state(), 'router') |
| |
| self.simulator.go(config.MAX_ADVERTISEMENT_INTERVAL) |
| leader_messages = self.simulator.get_messages_sent_by(DUT_LEADER) |
| leader_messages.last_mle_message(mle.CommandType.ADVERTISEMENT) |
| |
| # 6 |
| self.nodes[ROUTER1].reset() |
| self.nodes[ROUTER2].reset() |
| |
| router1_id = self.nodes[ROUTER1].get_router_id() |
| router2_id = self.nodes[ROUTER2].get_router_id() |
| |
| self.simulator.go( |
| config.MAX_NEIGHBOR_AGE + config.MAX_ADVERTISEMENT_INTERVAL |
| ) |
| leader_messages = self.simulator.get_messages_sent_by(DUT_LEADER) |
| msg = leader_messages.last_mle_message(mle.CommandType.ADVERTISEMENT) |
| self.assertEqual(command.get_routing_cost(msg, router1_id), 0) |
| |
| self.simulator.go( |
| config.INFINITE_COST_TIMEOUT + config.MAX_ADVERTISEMENT_INTERVAL |
| ) |
| leader_messages = self.simulator.get_messages_sent_by(DUT_LEADER) |
| msg = leader_messages.last_mle_message(mle.CommandType.ADVERTISEMENT) |
| self.assertFalse(command.check_id_set(msg, router1_id)) |
| self.assertFalse(command.check_id_set(msg, router2_id)) |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
