| #!/usr/bin/env python3 |
| # |
| # Copyright (c) 2019, 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: |
| # |
| # This test covers the situation where a node attached to a parent with a different mesh-local prefix. It verifies |
| # that the attaching node adopts the parent's mesh-local prefix and the RLOC addresses on the node are correctly |
| # filtered (by wpantund). |
| |
| 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) |
| |
| node1 = wpan.Node() |
| node2 = wpan.Node() |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Init all nodes |
| |
| wpan.Node.init_all_nodes() |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test implementation |
| |
| NET_NAME = 'ml-change' |
| CHANNEL = 11 |
| PANID = '0x1977' |
| XPANID = '1020031510006016' |
| KEY = '0123456789abcdeffecdba9876543210' |
| |
| ML_PREFIX_1 = 'fd00:1::' |
| ML_PREFIX_2 = 'fd00:2::' |
| |
| # Form a network on node1 |
| node1.form( |
| NET_NAME, |
| channel=CHANNEL, |
| panid=PANID, |
| xpanid=XPANID, |
| key=KEY, |
| mesh_local_prefix=ML_PREFIX_1, |
| ) |
| |
| # On node2, form a network with same parameters but a different mesh-local |
| # prefix |
| node2.form( |
| NET_NAME, |
| channel=CHANNEL, |
| panid=PANID, |
| xpanid=XPANID, |
| key=KEY, |
| mesh_local_prefix=ML_PREFIX_2, |
| ) |
| |
| # Node 2 is expected to attach to node1 and adopt the mesh-local prefix |
| # from node1 |
| |
| verify(node2.is_associated()) |
| verify( |
| node2.get(wpan.WPAN_IP6_MESH_LOCAL_PREFIX) |
| == node1.get(wpan.WPAN_IP6_MESH_LOCAL_PREFIX) |
| ) |
| |
| # Ensure that there are only two addresses on the node2 (link-local and mesh-local address) and that RLOC |
| # address is correctly filtered (by wpantund). |
| verify(len(wpan.parse_list(node2.get(wpan.WPAN_IP6_ALL_ADDRESSES))) == 2) |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test finished |
| |
| wpan.Node.finalize_all_nodes() |
| |
| print('\'{}\' passed.'.format(test_name)) |