| #!/usr/bin/env python3 |
| # |
| # Copyright (c) 2018, 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 wpan |
| from wpan import verify |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test description: Adding addresses with same prefix on multiple nodes. |
| # |
| |
| test_name = __file__[:-3] if __file__.endswith('.py') else __file__ |
| print('-' * 120) |
| print('Starting \'{}\''.format(test_name)) |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Creating `wpan.Nodes` instances |
| |
| speedup = 4 |
| wpan.Node.set_time_speedup_factor(speedup) |
| |
| r1 = wpan.Node() |
| r2 = wpan.Node() |
| sed2 = wpan.Node() |
| |
| all_nodes = [r1, r2, sed2] |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Init all nodes |
| |
| wpan.Node.init_all_nodes() |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Build network topology |
| # |
| # Two routers r1 and r2 (sed2 is used for quick promotion of r2 to router |
| # status). |
| |
| r1.allowlist_node(r2) |
| r2.allowlist_node(r1) |
| |
| r2.allowlist_node(sed2) |
| sed2.allowlist_node(r2) |
| |
| r1.form("same-prefix") |
| |
| r2.join_node(r1, wpan.JOIN_TYPE_ROUTER) |
| sed2.join_node(r2, wpan.JOIN_TYPE_SLEEPY_END_DEVICE) |
| |
| sed2.set(wpan.WPAN_POLL_INTERVAL, '500') |
| |
| r2.status() |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test implementation |
| |
| IP6_PREFIX = "fd00:abba::" |
| |
| IP6_ADDR_1 = IP6_PREFIX + "1" |
| IP6_ADDR_2 = IP6_PREFIX + "2" |
| |
| # Add IP6_ADDR_2 to r2. |
| |
| r2.add_ip6_address_on_interface(IP6_ADDR_2, prefix_len=64) |
| |
| # Verify (within 5 seconds) that corresponding prefix is seen on both nodes. |
| |
| |
| def check_prefix(): |
| for node in [r1, r2]: |
| prefixes = wpan.parse_on_mesh_prefix_result(node.get(wpan.WPAN_THREAD_ON_MESH_PREFIXES)) |
| for p in prefixes: |
| if p.prefix == IP6_PREFIX: |
| if (p.origin == 'ncp' and p.prefix_len == '64' and p.is_stable() and p.is_on_mesh() and |
| p.is_preferred() and not p.is_def_route() and not p.is_slaac() and not p.is_dhcp() and |
| not p.is_config() and p.priority == "med"): |
| break |
| else: # `for` loop finished without finding the prefix. |
| raise wpan.VerifyError('Did not find prefix {} on node {}'.format(IP6_PREFIX, r1)) |
| |
| |
| wpan.verify_within(check_prefix, 5) |
| |
| # After prefix is seen on r1, add an address with same prefix on r1. |
| r1.add_ip6_address_on_interface(IP6_ADDR_1, prefix_len=64) |
| |
| # Verify that the prefix is still seen on both nodes. |
| wpan.verify_within(check_prefix, 5) |
| |
| # Remove the address from r2 which should remove the corresponding the prefix as well |
| # After this since r1 still has the address, the prefix should be present |
| # on both nodes. |
| r2.remove_ip6_address_on_interface(IP6_ADDR_2, prefix_len=64) |
| wpan.verify_within(check_prefix, 5) |
| |
| # Reset r1 and verify that the prefix is retained correctly (by wpantund). |
| r1.reset() |
| wpan.verify_within(check_prefix, 8) |
| |
| # Remove the address on r1. Verify that prefix list is empty. |
| r1.remove_ip6_address_on_interface(IP6_ADDR_1, prefix_len=64) |
| |
| |
| def check_empty_prefix_list(): |
| for node in [r1, r2]: |
| prefixes = wpan.parse_on_mesh_prefix_result(node.get(wpan.WPAN_THREAD_ON_MESH_PREFIXES)) |
| verify(len(prefixes) == 0) |
| |
| |
| wpan.verify_within(check_empty_prefix_list, 5) |
| |
| # Add both addresses back-to-back and check the prefix list to contain the |
| # prefix. |
| r1.add_ip6_address_on_interface(IP6_ADDR_1, prefix_len=64) |
| r2.add_ip6_address_on_interface(IP6_ADDR_2, prefix_len=64) |
| wpan.verify_within(check_prefix, 5) |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test finished |
| |
| wpan.Node.finalize_all_nodes() |
| |
| print('\'{}\' passed.'.format(test_name)) |