1#!/usr/bin/env python3 2# 3# Copyright (c) 2020, The OpenThread Authors. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 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" 18# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 21# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 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 30from wpan import verify 31 32# ----------------------------------------------------------------------------------------------------------------------- 33# Test description: This test verifies 6LoWPAN fragmentation code by exchanging IPv6 messages with 34# many different lengths between two nodes. 35 36test_name = __file__[:-3] if __file__.endswith('.py') else __file__ 37print('-' * 120) 38print('Starting \'{}\''.format(test_name)) 39 40# ----------------------------------------------------------------------------------------------------------------------- 41# Creating `wpan.Nodes` instances 42 43speedup = 4 44wpan.Node.set_time_speedup_factor(speedup) 45 46node1 = wpan.Node() 47node2 = wpan.Node() 48 49# ----------------------------------------------------------------------------------------------------------------------- 50# Init all nodes 51 52wpan.Node.init_all_nodes() 53 54# ----------------------------------------------------------------------------------------------------------------------- 55# Build network topology 56 57# Two-node network (node1 leader/router, node2 end-device) 58 59node1.form('horizon') # "zero dawn" 60node2.join_node(node1, node_type=wpan.JOIN_TYPE_END_DEVICE) 61 62# ----------------------------------------------------------------------------------------------------------------------- 63# Test implementation 64 65# Get the link local addresses 66ll1 = node1.get(wpan.WPAN_IP6_LINK_LOCAL_ADDRESS)[1:-1] 67ll2 = node2.get(wpan.WPAN_IP6_LINK_LOCAL_ADDRESS)[1:-1] 68 69PORT = 1234 70MSG_LEN_START = 100 71MSG_LEN_END = 500 72 73for msg_length in range(MSG_LEN_START, MSG_LEN_END): 74 sender = node1.prepare_tx((ll1, PORT), (ll2, PORT), msg_length) 75 recver = node2.prepare_rx(sender) 76 77 wpan.Node.perform_async_tx_rx() 78 79 verify(sender.was_successful) 80 verify(recver.was_successful) 81 82# ----------------------------------------------------------------------------------------------------------------------- 83# Test finished 84 85wpan.Node.finalize_all_nodes() 86 87print('\'{}\' passed.'.format(test_name)) 88