| #!/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 |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test description: |
| # |
| # This test covers a situation where a single parent exists in network with poor link quality ensuring the child |
| # can attach the parent. |
| |
| 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) |
| |
| parent = wpan.Node() |
| child = wpan.Node() |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Init all nodes |
| |
| wpan.Node.init_all_nodes() |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test implementation |
| |
| parent.form("network") |
| |
| # Create a poor link between child and parent using MAC fixed RSSI filter |
| |
| parent.set(wpan.WPAN_MAC_FILTER_FIXED_RSSI, '-99') |
| parent.add(wpan.WPAN_MAC_FILTER_ENTRIES, child.get(wpan.WPAN_EXT_ADDRESS)[1:-1]) |
| |
| child.set(wpan.WPAN_MAC_FILTER_FIXED_RSSI, '-99') |
| child.add(wpan.WPAN_MAC_FILTER_ENTRIES, parent.get(wpan.WPAN_EXT_ADDRESS)[1:-1]) |
| |
| # Ensure child can still attach the single low-link quality parent |
| child.join_node(parent, node_type=wpan.JOIN_TYPE_END_DEVICE) |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test finished |
| |
| wpan.Node.finalize_all_nodes() |
| |
| print('\'{}\' passed.'.format(test_name)) |