120 lines
4.5 KiB
Python
120 lines
4.5 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (c) 2018, The OpenThread Authors.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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from wpan import verify
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import wpan
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import time
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# -----------------------------------------------------------------------------------------------------------------------
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# Test description: Orphaned node attach through MLE Announcement
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test_name = __file__[:-3] if __file__.endswith('.py') else __file__
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print('-' * 120)
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print('Starting \'{}\''.format(test_name))
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def verify_channel(nodes, new_channel, wait_time=20):
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"""
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This function checks the channel on a given list of `nodes` and verifies that all nodes
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switch to a given `new_channel` (as int) within certain `wait_time` (int and in seconds)
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"""
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start_time = time.time()
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while not all([(new_channel == int(node.get(wpan.WPAN_CHANNEL), 0)) for node in nodes]):
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if time.time() - start_time > wait_time:
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print('Took too long to switch to channel {} ({}>{} sec)'.format(new_channel,
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time.time() - start_time, wait_time))
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exit(1)
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time.sleep(0.1)
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# -----------------------------------------------------------------------------------------------------------------------
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# Creating `wpan.Nodes` instances
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router = wpan.Node()
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c1 = wpan.Node()
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c2 = wpan.Node()
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all_nodes = [router, c1, c2]
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# -----------------------------------------------------------------------------------------------------------------------
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# Init all nodes
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wpan.Node.init_all_nodes()
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# -----------------------------------------------------------------------------------------------------------------------
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# Build network topology
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router.form('announce-tst', channel=11)
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c1.join_node(router, node_type=wpan.JOIN_TYPE_SLEEPY_END_DEVICE)
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c2.join_node(router, node_type=wpan.JOIN_TYPE_SLEEPY_END_DEVICE)
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c1.set(wpan.WPAN_POLL_INTERVAL, '500')
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c2.set(wpan.WPAN_POLL_INTERVAL, '500')
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c1.set(wpan.WPAN_THREAD_DEVICE_MODE, '5')
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c2.set(wpan.WPAN_THREAD_DEVICE_MODE, '5')
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# -----------------------------------------------------------------------------------------------------------------------
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# Test implementation
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# Reset c2 and keep it in detached state
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c2.set('Daemon:AutoAssociateAfterReset', 'false')
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c2.reset()
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# Switch the rest of network to channel 26
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router.set(wpan.WPAN_CHANNEL_MANAGER_NEW_CHANNEL, '26')
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verify_channel([router, c1], 26)
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# Now re-enable c2 and verify that it does attach to router and is on channel 26
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# c2 would go through the ML Announce recovery.
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c2.set('Daemon:AutoAssociateAfterReset', 'true')
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c2.reset()
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verify(int(c2.get(wpan.WPAN_CHANNEL), 0) == 11)
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# wait for 20s for c2 to be attached/associated
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def check_c2_is_associated():
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verify(c2.is_associated())
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wpan.verify_within(check_c2_is_associated, 20)
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# Check that c2 is now on channel 26.
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verify(int(c2.get(wpan.WPAN_CHANNEL), 0) == 26)
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# -----------------------------------------------------------------------------------------------------------------------
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# Test finished
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wpan.Node.finalize_all_nodes()
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print('\'{}\' passed.'.format(test_name))
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