def check_r1_again_prefers_trel_for_r2():
r1_neighbor_radios = wpan.parse_multi_radio_result(
r1.get(wpan.WPAN_OT_NEIGHBOR_TABLE_MULTI_RADIO_INFO))
verify(len(r1_neighbor_radios) == 1)
r2_radio_info = r1_neighbor_radios[0]
verify(r2_radio_info.supports(wpan.RADIO_LINK_TREL_UDP6))
verify(
r2_radio_info.preference(wpan.RADIO_LINK_TREL_UDP6) >=
HIGH_PREFERENCE_THRESHOLD)
verify(len(r1_neighbor_radios) == 1)
verify(len(r1_neighbor_radios[0].radios) == 2)
wpan.verify_within(check_r1_sees_r2_has_two_radio_links, WAIT_TIME)
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Send from r1 to r2 and verify that r1 prefers TREL radio link for sending to r2.
sender = r1.prepare_tx(r1_ml_address, r2_ml_address, "Hi r2 from r1", 5)
recver = r2.prepare_rx(sender)
wpan.Node.perform_async_tx_rx()
verify(sender.was_successful)
verify(recver.was_successful)
r1_neighbor_radios = wpan.parse_multi_radio_result(
r1.get(wpan.WPAN_OT_NEIGHBOR_TABLE_MULTI_RADIO_INFO))
verify(len(r1_neighbor_radios) == 1)
r2_radio_info = r1_neighbor_radios[0]
verify(r2_radio_info.supports(wpan.RADIO_LINK_TREL_UDP6))
verify(
r2_radio_info.preference(wpan.RADIO_LINK_TREL_UDP6) >=
HIGH_PREFERENCE_THRESHOLD)
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Now disable TREL link on r2 and send again. We expect that r1 would quickly learn that trel is
# no longer supported by r2 and prefer 15.4 for tx to r2.
r2.set(wpan.WPAN_OT_TREL_TEST_MODE_ENABLE, 'false')
verify(r2.get(wpan.WPAN_OT_TREL_TEST_MODE_ENABLE) == 'false')
sender = r1.prepare_tx(r1_ml_address, r2_ml_address, "Hi again r2 from r1", 5)
def check_r1_sees_r2_has_two_radio_links():
r1_neighbor_radios = wpan.parse_multi_radio_result(
r1.get(wpan.WPAN_OT_NEIGHBOR_TABLE_MULTI_RADIO_INFO))
verify(len(r1_neighbor_radios) == 1)
verify(len(r1_neighbor_radios[0].radios) == 2)
verify(len(c2_radios) == 1 and wpan.RADIO_LINK_TREL_UDP6 in c2_radios)
c3_radios = wpan.parse_list(c3.get(wpan.WPAN_OT_SUPPORTED_RADIO_LINKS))
verify(
len(c3_radios) == 2 and (wpan.RADIO_LINK_IEEE_802_15_4 in c3_radios)
and (wpan.RADIO_LINK_TREL_UDP6 in c3_radios))
parent.form("multi-radio")
c1.join_node(parent, wpan.JOIN_TYPE_END_DEVICE)
c2.join_node(parent, wpan.JOIN_TYPE_END_DEVICE)
c3.join_node(parent, wpan.JOIN_TYPE_END_DEVICE)
# Verify that parent correctly knows about all the children and their supported radio links
radio_info_entries = wpan.parse_multi_radio_result(
parent.get(wpan.WPAN_OT_NEIGHBOR_TABLE_MULTI_RADIO_INFO))
verify(len(radio_info_entries) == 3)
for node in [c1, c2, c3]:
# Find the entry matching node ext address
address = node.get(wpan.WPAN_EXT_ADDRESS)[1:-1]
filtred_list = [
entry for entry in radio_info_entries if entry.ext_address == address
]
verify(len(filtred_list) == 1)
entry = filtred_list[0]
# Verify that the multi radio info matches the radio links supported by the node
node_radios = wpan.parse_list(node.get(wpan.WPAN_OT_SUPPORTED_RADIO_LINKS))
verify(len(node_radios) == len(entry.radios))
for radio in node_radios: