1#!/usr/bin/env python3
2#
3#  Copyright (c) 2019, The OpenThread Authors.
4#  All rights reserved.
5#
6#  Redistribution and use in source and binary forms, with or without
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10#  2. Redistributions in binary form must reproduce the above copyright
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12#     documentation and/or other materials provided with the distribution.
13#  3. Neither the name of the copyright holder nor the
14#     names of its contributors may be used to endorse or promote products
15#     derived from this software without specific prior written permission.
16#
17#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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20#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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26#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27#  POSSIBILITY OF SUCH DAMAGE.
28
29import wpan
30import time
31
32# -----------------------------------------------------------------------------------------------------------------------
33# Test description:
34#
35# This test covers the situation where the data poll interval is set to a value larger than child's timeout interval.
36# The test verifies that the sleepy child would send a data poll within its timeout interval (ensuring hat child stays
37# in parent's child table).
38
39test_name = __file__[:-3] if __file__.endswith('.py') else __file__
40print('-' * 120)
41print('Starting \'{}\''.format(test_name))
42
43# -----------------------------------------------------------------------------------------------------------------------
44# Creating `wpan.Nodes` instances
45
46speedup = 4
47wpan.Node.set_time_speedup_factor(speedup)
48
49parent = wpan.Node()
50child = wpan.Node()
51
52# -----------------------------------------------------------------------------------------------------------------------
53# Init all nodes
54
55wpan.Node.init_all_nodes()
56
57# -----------------------------------------------------------------------------------------------------------------------
58# Test implementation
59
60parent.form("poll-timeout")
61
62TIMEOUT = 5  # Child timeout in seconds
63
64child.set(wpan.WPAN_THREAD_CHILD_TIMEOUT, str(TIMEOUT))
65
66child.set(wpan.WPAN_POLL_INTERVAL, str(5 * TIMEOUT * 1000))
67
68child.join_node(parent, node_type=wpan.JOIN_TYPE_SLEEPY_END_DEVICE)
69
70poll_count_before = int(child.get(wpan.WPAN_NCP_COUNTER_TX_PKT_DATA_POLL), 0)
71
72time.sleep(TIMEOUT * 1.1 / speedup)
73
74poll_count_after = int(child.get(wpan.WPAN_NCP_COUNTER_TX_PKT_DATA_POLL), 0)
75
76wpan.verify(poll_count_after > poll_count_before)
77
78# -----------------------------------------------------------------------------------------------------------------------
79# Test finished
80
81wpan.Node.finalize_all_nodes()
82
83print('\'{}\' passed.'.format(test_name))
84