282 lines
8.1 KiB
Python
282 lines
8.1 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (c) 2018, 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 wpan
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from wpan import verify
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# -----------------------------------------------------------------------------------------------------------------------
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# Test description:
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#
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# Adding on-mesh prefix and `config-gateway` command
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#
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# - Verifies adding an on-mesh prefix using `config-gateway`, `add-prefix` commands.
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# - Verifies prefixes with different flags/priorities added on routers and/or end-devices.
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# - Verifies `wpantund` adding SLAAC based IPv6 address based on prefix.
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# - Verifies `wpantund` retaining user-added prefixes and adding them back after an NCP reset.
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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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# Utility functions
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def verify_address(node_list, prefix):
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"""
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This function verifies that all nodes in the `node_list` contain an IPv6 address with the given `prefix`.
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"""
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for node in node_list:
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all_addrs = wpan.parse_list(node.get(wpan.WPAN_IP6_ALL_ADDRESSES))
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verify(any([addr.startswith(prefix[:-1]) for addr in all_addrs]))
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def verify_prefix(
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node_list,
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prefix,
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prefix_len=64,
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stable=True,
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priority='med',
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on_mesh=False,
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slaac=False,
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dhcp=False,
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configure=False,
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default_route=False,
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preferred=True,
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):
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"""
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This function verifies that the `prefix` is present on all the nodes in the `node_list`.
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"""
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for node in node_list:
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prefixes = wpan.parse_on_mesh_prefix_result(node.get(wpan.WPAN_THREAD_ON_MESH_PREFIXES))
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for p in prefixes:
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if p.prefix == prefix:
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verify(int(p.prefix_len) == prefix_len)
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verify(p.is_stable() == stable)
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verify(p.is_on_mesh() == on_mesh)
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verify(p.is_def_route() == default_route)
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verify(p.is_slaac() == slaac)
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verify(p.is_dhcp() == dhcp)
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verify(p.is_config() == configure)
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verify(p.is_preferred() == preferred)
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verify(p.priority == priority)
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break
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else:
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raise wpan.VerifyError('Did not find prefix {} on node {}'.format(prefix, node))
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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()
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r2 = wpan.Node()
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sc1 = wpan.Node()
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sc2 = wpan.Node()
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all_nodes = [r1, r2, sc1, sc2]
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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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r1.allowlist_node(r2)
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r2.allowlist_node(r1)
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r1.allowlist_node(sc1)
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r2.allowlist_node(sc2)
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r1.form('config-gtway')
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r2.join_node(r1, node_type=wpan.JOIN_TYPE_ROUTER)
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sc1.join_node(r1, node_type=wpan.JOIN_TYPE_SLEEPY_END_DEVICE)
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sc2.join_node(r2, node_type=wpan.JOIN_TYPE_SLEEPY_END_DEVICE)
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sc1.set(wpan.WPAN_POLL_INTERVAL, '200')
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sc2.set(wpan.WPAN_POLL_INTERVAL, '200')
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# -----------------------------------------------------------------------------------------------------------------------
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# Test implementation
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WAIT_TIME = 5
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prefix1 = 'fd00:abba:cafe::'
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prefix2 = 'fd00:1234::'
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prefix3 = 'fd00:deed::'
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prefix4 = 'fd00:abcd::'
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# Add on-mesh prefix1 on router r1
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r1.config_gateway(prefix1)
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# Verify that the prefix1 and its corresponding address are present on all
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# nodes
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def check_prefix1_on_all_nodes():
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verify_prefix(all_nodes, prefix1, stable=True, on_mesh=True, slaac=True)
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verify_address(all_nodes, prefix1)
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wpan.verify_within(check_prefix1_on_all_nodes, WAIT_TIME)
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# Now add prefix2 with priority `high` on router r2 and check all nodes
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# for the new prefix/address
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r2.config_gateway(prefix2, default_route=True, priority='1')
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def check_prefix2_on_all_nodes():
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verify_prefix(
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all_nodes,
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prefix2,
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stable=True,
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on_mesh=True,
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slaac=True,
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default_route=True,
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priority='high',
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)
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verify_address(all_nodes, prefix2)
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wpan.verify_within(check_prefix2_on_all_nodes, WAIT_TIME)
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# Add prefix3 on sleepy end-device and check for it on all nodes
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sc1.config_gateway(prefix3, priority='-1')
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def check_prefix3_on_all_nodes():
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verify_prefix(
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all_nodes,
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prefix3,
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stable=True,
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on_mesh=True,
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slaac=True,
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priority='low',
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)
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verify_address(all_nodes, prefix3)
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wpan.verify_within(check_prefix3_on_all_nodes, WAIT_TIME)
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# Verify that prefix1 is retained by `wpantund` and pushed to NCP after a reset
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r1.reset()
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def check_r1_is_associated():
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verify(r1.is_associated())
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# Wait for r1 to recover after reset
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wpan.verify_within(check_r1_is_associated, WAIT_TIME)
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# Wait for on-mesh prefix to be updated
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wpan.verify_within(check_prefix1_on_all_nodes, WAIT_TIME)
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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# Test `add-prefix` and `remove-prefix`
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r1.add_prefix(
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prefix4,
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48,
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priority="1",
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stable=False,
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on_mesh=True,
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slaac=False,
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dhcp=True,
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configure=False,
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default_route=True,
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preferred=False,
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)
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def check_prefix4_on_r1():
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verify_prefix(
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all_nodes,
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prefix4,
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48,
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priority="high",
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stable=False,
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on_mesh=True,
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slaac=False,
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dhcp=True,
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configure=False,
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default_route=True,
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preferred=False,
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)
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wpan.verify_within(check_prefix4_on_r1, WAIT_TIME)
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# Remove prefix and verify that it is removed from list
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r1.remove_prefix(prefix4, 48)
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def check_prefix4_removed_from_r1():
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verify(r1.get(wpan.WPAN_THREAD_ON_MESH_PREFIXES).find(prefix4) < 0)
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wpan.verify_within(check_prefix4_removed_from_r1, WAIT_TIME)
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r1.add_prefix(
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prefix4,
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64,
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priority="-1",
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stable=True,
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on_mesh=False,
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slaac=True,
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dhcp=False,
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configure=True,
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default_route=False,
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preferred=True,
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)
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verify_prefix(
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[r1],
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prefix4,
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64,
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priority="low",
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stable=True,
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on_mesh=False,
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slaac=True,
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dhcp=False,
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configure=True,
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default_route=False,
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preferred=True,
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)
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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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