| #!/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. |
| |
| from wpan import verify |
| import wpan |
| import time |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test description: Orphaned node attach through MLE Announcement |
| |
| test_name = __file__[:-3] if __file__.endswith('.py') else __file__ |
| print('-' * 120) |
| print('Starting \'{}\''.format(test_name)) |
| |
| |
| def verify_channel(nodes, new_channel, wait_time=20): |
| """ |
| This function checks the channel on a given list of `nodes` and verifies that all nodes |
| switch to a given `new_channel` (as int) within certain `wait_time` (int and in seconds) |
| """ |
| start_time = time.time() |
| |
| while not all( |
| [ |
| (new_channel == int(node.get(wpan.WPAN_CHANNEL), 0)) |
| for node in nodes |
| ] |
| ): |
| if time.time() - start_time > wait_time: |
| print( |
| 'Took too long to switch to channel {} ({}>{} sec)'.format( |
| new_channel, time.time() - start_time, wait_time |
| ) |
| ) |
| exit(1) |
| time.sleep(0.1) |
| |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Creating `wpan.Nodes` instances |
| |
| router = wpan.Node() |
| c1 = wpan.Node() |
| c2 = wpan.Node() |
| |
| all_nodes = [router, c1, c2] |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Init all nodes |
| |
| wpan.Node.init_all_nodes() |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Build network topology |
| |
| router.form('announce-tst', channel=11) |
| |
| c1.join_node(router, node_type=wpan.JOIN_TYPE_SLEEPY_END_DEVICE) |
| c2.join_node(router, node_type=wpan.JOIN_TYPE_SLEEPY_END_DEVICE) |
| |
| c1.set(wpan.WPAN_POLL_INTERVAL, '500') |
| c2.set(wpan.WPAN_POLL_INTERVAL, '500') |
| |
| c1.set(wpan.WPAN_THREAD_DEVICE_MODE, '5') |
| c2.set(wpan.WPAN_THREAD_DEVICE_MODE, '5') |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test implementation |
| |
| # Reset c2 and keep it in detached state |
| c2.set('Daemon:AutoAssociateAfterReset', 'false') |
| c2.reset() |
| |
| # Switch the rest of network to channel 26 |
| router.set(wpan.WPAN_CHANNEL_MANAGER_NEW_CHANNEL, '26') |
| verify_channel([router, c1], 26) |
| |
| # Now re-enable c2 and verify that it does attach to router and is on channel 26 |
| # c2 would go through the ML Announce recovery. |
| |
| c2.set('Daemon:AutoAssociateAfterReset', 'true') |
| c2.reset() |
| verify(int(c2.get(wpan.WPAN_CHANNEL), 0) == 11) |
| |
| # wait for 20s for c2 to be attached/associated |
| |
| |
| def check_c2_is_associated(): |
| verify(c2.is_associated()) |
| |
| |
| wpan.verify_within(check_c2_is_associated, 20) |
| |
| # Check that c2 is now on channel 26. |
| verify(int(c2.get(wpan.WPAN_CHANNEL), 0) == 26) |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test finished |
| |
| wpan.Node.finalize_all_nodes() |
| |
| print('\'{}\' passed.'.format(test_name)) |