| #!/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 time |
| import wpan |
| from wpan import verify |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test description: This test covers behavior of MeshHeader messages (message sent over multi-hop) when the |
| # underlying devices (in the path) support different radio types with different frame MTU length. |
| # |
| # r1 --------- r2 ---------- r3 |
| # (trel) (15.4+trel) (15.4) |
| # | | |
| # | | |
| # c2 (15.4) c3 (15.4) |
| # |
| # c3 is used for quick router promotion of r3. |
| # |
| 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) |
| |
| r1 = wpan.Node(wpan.NODE_TREL) |
| r2 = wpan.Node(wpan.NODE_15_4_TREL) |
| r3 = wpan.Node(wpan.NODE_15_4) |
| c2 = wpan.Node(wpan.NODE_15_4) |
| c3 = wpan.Node(wpan.NODE_15_4) |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Init all nodes |
| |
| wpan.Node.init_all_nodes() |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Build network topology |
| # |
| |
| r1.allowlist_node(r2) |
| r2.allowlist_node(r1) |
| |
| r2.allowlist_node(r3) |
| r3.allowlist_node(r2) |
| |
| r2.allowlist_node(c2) |
| c2.allowlist_node(r2) |
| |
| r3.allowlist_node(c3) |
| c3.allowlist_node(r3) |
| |
| r1.form("mesh-header") |
| |
| r2.join_node(r1, wpan.JOIN_TYPE_ROUTER) |
| r3.join_node(r2, wpan.JOIN_TYPE_ROUTER) |
| c2.join_node(r2, wpan.NODE_TYPE_SLEEPY_END_DEVICE) |
| |
| c3.join_node(r3, wpan.JOIN_TYPE_END_DEVICE) |
| |
| # ----------------------------------------------------------------------------------------------------------------------- |
| # Test implementation |
| |
| WAIT_TIME = 5 |
| INVALID_ROUTER_ID = 63 |
| MSG_LEN = 1000 |
| MSG_COUNT = 2 |
| POLL_INTERVAL = 400 |
| |
| c2.set(wpan.WPAN_POLL_INTERVAL, str(POLL_INTERVAL)) |
| |
| # Verify that each node supports the correct radio links. |
| |
| r1_radios = wpan.parse_list(r1.get(wpan.WPAN_OT_SUPPORTED_RADIO_LINKS)) |
| verify(len(r1_radios) == 1 and (wpan.RADIO_LINK_TREL_UDP6 in r1_radios)) |
| |
| r2_radios = wpan.parse_list(r2.get(wpan.WPAN_OT_SUPPORTED_RADIO_LINKS)) |
| verify( |
| len(r2_radios) == 2 and (wpan.RADIO_LINK_IEEE_802_15_4 in r2_radios) and (wpan.RADIO_LINK_TREL_UDP6 in r2_radios)) |
| |
| r3_radios = wpan.parse_list(r3.get(wpan.WPAN_OT_SUPPORTED_RADIO_LINKS)) |
| verify(len(r3_radios) == 1 and (wpan.RADIO_LINK_IEEE_802_15_4 in r3_radios)) |
| |
| # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| # Wait for all router entries are updated |
| |
| r1_rloc = int(r1.get(wpan.WPAN_THREAD_RLOC16), 16) |
| |
| |
| def check_r1_router_table(): |
| router_table = wpan.parse_router_table_result(r1.get(wpan.WPAN_THREAD_ROUTER_TABLE)) |
| verify(len(router_table) == 3) |
| for entry in router_table: |
| verify(entry.rloc16 == r1_rloc or entry.is_link_established() or entry.next_hop != INVALID_ROUTER_ID) |
| |
| |
| wpan.verify_within(check_r1_router_table, WAIT_TIME) |
| |
| # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| # Send large message from r1 to r3. Such a message would be sent as a |
| # Mesh Header message. Note that the origin r1 is a trel-only device |
| # whereas the final destination r3 is a 15.4-only device. The originator |
| # should use smaller MTU size (which then fragment the message into |
| # multiple frames) otherwise the 15.4 link won't be able to handle it. |
| |
| r1_ml_address = r1.get(wpan.WPAN_IP6_MESH_LOCAL_ADDRESS)[1:-1] |
| r3_ml_address = r3.get(wpan.WPAN_IP6_MESH_LOCAL_ADDRESS)[1:-1] |
| |
| sender = r1.prepare_tx(r1_ml_address, r3_ml_address, MSG_LEN, MSG_COUNT) |
| recver = r3.prepare_rx(sender) |
| |
| wpan.Node.perform_async_tx_rx() |
| |
| verify(sender.was_successful) |
| verify(recver.was_successful) |
| |
| # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| # Send messages from c2 to r1. |
| |
| c2_ml_address = c2.get(wpan.WPAN_IP6_MESH_LOCAL_ADDRESS)[1:-1] |
| |
| sender = c2.prepare_tx(c2_ml_address, r1_ml_address, MSG_LEN, MSG_COUNT) |
| recver = r1.prepare_rx(sender) |
| |
| wpan.Node.perform_async_tx_rx() |
| |
| verify(sender.was_successful) |
| verify(recver.was_successful) |
| |
| # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| # Send messages from r3 to r1. |
| |
| sender = r3.prepare_tx(r3_ml_address, r1_ml_address, MSG_LEN, MSG_COUNT) |
| recver = r1.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)) |
