176 lines
6.4 KiB
Python
176 lines
6.4 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (c) 2020, 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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import time
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import wpan
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from wpan import verify
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# -----------------------------------------------------------------------------------------------------------------------
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# Test description: This test covers behavior of MeshHeader messages (message sent over multi-hop) when the
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# underlying devices (in the path) support different radio types with different frame MTU length.
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#
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# r1 --------- r2 ---------- r3
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# (trel) (15.4+trel) (15.4)
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# | |
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# | |
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# c2 (15.4) c3 (15.4)
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#
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# c3 is used for quick router promotion of r3.
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#
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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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# -----------------------------------------------------------------------------------------------------------------------
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# Creating `wpan.Nodes` instances
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speedup = 4
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wpan.Node.set_time_speedup_factor(speedup)
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r1 = wpan.Node(wpan.NODE_TREL)
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r2 = wpan.Node(wpan.NODE_15_4_TREL)
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r3 = wpan.Node(wpan.NODE_15_4)
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c2 = wpan.Node(wpan.NODE_15_4)
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c3 = wpan.Node(wpan.NODE_15_4)
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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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#
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r1.allowlist_node(r2)
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r2.allowlist_node(r1)
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r2.allowlist_node(r3)
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r3.allowlist_node(r2)
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r2.allowlist_node(c2)
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c2.allowlist_node(r2)
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r3.allowlist_node(c3)
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c3.allowlist_node(r3)
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r1.form("mesh-header")
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r2.join_node(r1, wpan.JOIN_TYPE_ROUTER)
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r3.join_node(r2, wpan.JOIN_TYPE_ROUTER)
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c2.join_node(r2, wpan.NODE_TYPE_SLEEPY_END_DEVICE)
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c3.join_node(r3, wpan.JOIN_TYPE_END_DEVICE)
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# -----------------------------------------------------------------------------------------------------------------------
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# Test implementation
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WAIT_TIME = 5
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INVALID_ROUTER_ID = 63
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MSG_LEN = 1000
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MSG_COUNT = 2
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POLL_INTERVAL = 400
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c2.set(wpan.WPAN_POLL_INTERVAL, str(POLL_INTERVAL))
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# Verify that each node supports the correct radio links.
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r1_radios = wpan.parse_list(r1.get(wpan.WPAN_OT_SUPPORTED_RADIO_LINKS))
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verify(len(r1_radios) == 1 and (wpan.RADIO_LINK_TREL_UDP6 in r1_radios))
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r2_radios = wpan.parse_list(r2.get(wpan.WPAN_OT_SUPPORTED_RADIO_LINKS))
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verify(
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len(r2_radios) == 2 and (wpan.RADIO_LINK_IEEE_802_15_4 in r2_radios) and (wpan.RADIO_LINK_TREL_UDP6 in r2_radios))
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r3_radios = wpan.parse_list(r3.get(wpan.WPAN_OT_SUPPORTED_RADIO_LINKS))
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verify(len(r3_radios) == 1 and (wpan.RADIO_LINK_IEEE_802_15_4 in r3_radios))
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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# Wait for all router entries are updated
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r1_rloc = int(r1.get(wpan.WPAN_THREAD_RLOC16), 16)
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def check_r1_router_table():
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router_table = wpan.parse_router_table_result(r1.get(wpan.WPAN_THREAD_ROUTER_TABLE))
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verify(len(router_table) == 3)
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for entry in router_table:
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verify(entry.rloc16 == r1_rloc or entry.is_link_established() or entry.next_hop != INVALID_ROUTER_ID)
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wpan.verify_within(check_r1_router_table, WAIT_TIME)
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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# Send large message from r1 to r3. Such a message would be sent as a
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# Mesh Header message. Note that the origin r1 is a trel-only device
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# whereas the final destination r3 is a 15.4-only device. The originator
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# should use smaller MTU size (which then fragment the message into
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# multiple frames) otherwise the 15.4 link won't be able to handle it.
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r1_ml_address = r1.get(wpan.WPAN_IP6_MESH_LOCAL_ADDRESS)[1:-1]
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r3_ml_address = r3.get(wpan.WPAN_IP6_MESH_LOCAL_ADDRESS)[1:-1]
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sender = r1.prepare_tx(r1_ml_address, r3_ml_address, MSG_LEN, MSG_COUNT)
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recver = r3.prepare_rx(sender)
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wpan.Node.perform_async_tx_rx()
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verify(sender.was_successful)
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verify(recver.was_successful)
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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# Send messages from c2 to r1.
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c2_ml_address = c2.get(wpan.WPAN_IP6_MESH_LOCAL_ADDRESS)[1:-1]
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sender = c2.prepare_tx(c2_ml_address, r1_ml_address, MSG_LEN, MSG_COUNT)
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recver = r1.prepare_rx(sender)
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wpan.Node.perform_async_tx_rx()
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verify(sender.was_successful)
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verify(recver.was_successful)
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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# Send messages from r3 to r1.
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sender = r3.prepare_tx(r3_ml_address, r1_ml_address, MSG_LEN, MSG_COUNT)
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recver = r1.prepare_rx(sender)
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wpan.Node.perform_async_tx_rx()
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verify(sender.was_successful)
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verify(recver.was_successful)
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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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