| #!/usr/bin/env python3 |
| # |
| # Copyright (c) 2020, 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 |
| from wpan import verify |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test description: This test verifies 6LoWPAN fragmentation code by exchanging IPv6 messages with |
| # many different lengths between two nodes. |
| |
| 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) |
| |
| node1 = wpan.Node() |
| node2 = wpan.Node() |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Init all nodes |
| |
| wpan.Node.init_all_nodes() |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Build network topology |
| |
| # Two-node network (node1 leader/router, node2 end-device) |
| |
| node1.form('horizon') # "zero dawn" |
| node2.join_node(node1, node_type=wpan.JOIN_TYPE_END_DEVICE) |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test implementation |
| |
| # Get the link local addresses |
| ll1 = node1.get(wpan.WPAN_IP6_LINK_LOCAL_ADDRESS)[1:-1] |
| ll2 = node2.get(wpan.WPAN_IP6_LINK_LOCAL_ADDRESS)[1:-1] |
| |
| PORT = 1234 |
| MSG_LEN_START = 100 |
| MSG_LEN_END = 500 |
| |
| for msg_length in range(MSG_LEN_START, MSG_LEN_END): |
| sender = node1.prepare_tx((ll1, PORT), (ll2, PORT), msg_length) |
| recver = node2.prepare_rx(sender) |
| |
| wpan.Node.perform_async_tx_rx() |
| |
| verify(sender.was_successful) |
| verify(recver.was_successful) |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test finished |
| |
| wpan.Node.finalize_all_nodes() |
| |
| print('\'{}\' passed.'.format(test_name)) |