148 lines
5.4 KiB
Python
148 lines
5.4 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: Adding addresses with same prefix on multiple nodes.
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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()
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r2 = wpan.Node()
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sed2 = wpan.Node()
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all_nodes = [r1, r2, sed2]
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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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# Two routers r1 and r2 (sed2 is used for quick promotion of r2 to router
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# status).
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r1.allowlist_node(r2)
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r2.allowlist_node(r1)
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r2.allowlist_node(sed2)
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sed2.allowlist_node(r2)
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r1.form("same-prefix")
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r2.join_node(r1, wpan.JOIN_TYPE_ROUTER)
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sed2.join_node(r2, wpan.JOIN_TYPE_SLEEPY_END_DEVICE)
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sed2.set(wpan.WPAN_POLL_INTERVAL, '500')
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r2.status()
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# -----------------------------------------------------------------------------------------------------------------------
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# Test implementation
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IP6_PREFIX = "fd00:abba::"
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IP6_ADDR_1 = IP6_PREFIX + "1"
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IP6_ADDR_2 = IP6_PREFIX + "2"
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# Add IP6_ADDR_2 to r2.
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r2.add_ip6_address_on_interface(IP6_ADDR_2, prefix_len=64)
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# Verify (within 5 seconds) that corresponding prefix is seen on both nodes.
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def check_prefix():
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for node in [r1, r2]:
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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 == IP6_PREFIX:
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if (p.origin == 'ncp' and p.prefix_len == '64' and p.is_stable() and p.is_on_mesh() and
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p.is_preferred() and not p.is_def_route() and not p.is_slaac() and not p.is_dhcp() and
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not p.is_config() and p.priority == "med"):
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break
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else: # `for` loop finished without finding the prefix.
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raise wpan.VerifyError('Did not find prefix {} on node {}'.format(IP6_PREFIX, r1))
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wpan.verify_within(check_prefix, 5)
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# After prefix is seen on r1, add an address with same prefix on r1.
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r1.add_ip6_address_on_interface(IP6_ADDR_1, prefix_len=64)
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# Verify that the prefix is still seen on both nodes.
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wpan.verify_within(check_prefix, 5)
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# Remove the address from r2 which should remove the corresponding the prefix as well
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# After this since r1 still has the address, the prefix should be present
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# on both nodes.
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r2.remove_ip6_address_on_interface(IP6_ADDR_2, prefix_len=64)
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wpan.verify_within(check_prefix, 5)
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# Reset r1 and verify that the prefix is retained correctly (by wpantund).
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r1.reset()
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wpan.verify_within(check_prefix, 8)
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# Remove the address on r1. Verify that prefix list is empty.
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r1.remove_ip6_address_on_interface(IP6_ADDR_1, prefix_len=64)
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def check_empty_prefix_list():
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for node in [r1, r2]:
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prefixes = wpan.parse_on_mesh_prefix_result(node.get(wpan.WPAN_THREAD_ON_MESH_PREFIXES))
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verify(len(prefixes) == 0)
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wpan.verify_within(check_empty_prefix_list, 5)
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# Add both addresses back-to-back and check the prefix list to contain the
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# prefix.
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r1.add_ip6_address_on_interface(IP6_ADDR_1, prefix_len=64)
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r2.add_ip6_address_on_interface(IP6_ADDR_2, prefix_len=64)
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wpan.verify_within(check_prefix, 5)
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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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