139 lines
5.1 KiB
Python
139 lines
5.1 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: Multicast addresses on routers, FEDs, and SEDs
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#
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# Test topology:
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#
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# router
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# /\
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# / \
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# fed sed
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#
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# - Verify all nodes subscribe to:
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# * Link-local all nodes, realm-local all nodes,
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# * Link-local all Thread nodes, realm-local all Thread nodes,
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# * All MPL forwarder realm-local.
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# - Verify routers also subscribe to:
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# * Link-local all routers, realm-local all nodes.
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# - Verify adding/removing of multicast addresses on devices.
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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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router = wpan.Node()
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fed = wpan.Node()
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sed = wpan.Node()
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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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# Utility functions
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def check_multicast_addresses(node, mcast_addr_list):
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addrs = wpan.parse_list(node.get(wpan.WPAN_IP6_MULTICAST_ADDRESSES))
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for addr in mcast_addr_list:
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verify(addr in addrs)
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# -----------------------------------------------------------------------------------------------------------------------
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# Build network topology
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#
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router.form("mcast-addr")
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fed.join_node(router, wpan.JOIN_TYPE_END_DEVICE)
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sed.join_node(router, wpan.JOIN_TYPE_SLEEPY_END_DEVICE)
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sed.set(wpan.WPAN_POLL_INTERVAL, '800')
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# -----------------------------------------------------------------------------------------------------------------------
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# Test implementation
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# Get the mesh-local prefix (remove the "/64" at the end of the string)
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ml_prefix = router.get(wpan.WPAN_IP6_MESH_LOCAL_PREFIX)[1:-1].split('/')[0]
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# Derive the link-local/realm-local all thread nodes multicast addresses
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ll_all_thread_nodes_addr = 'ff32:40:' + ml_prefix + '1'
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rl_all_thread_nodes_addr = 'ff33:40:' + ml_prefix + '1'
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# List of multicast addresses subscribed by all nodes
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mcast_addrs = [
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"ff02::1", # All nodes link-local
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"ff03::1", # All nodes realm-local
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"ff03::fc", # All MPL forwarder realm-local
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ll_all_thread_nodes_addr,
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rl_all_thread_nodes_addr,
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]
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# List of multicast addresses subscribed by routers only
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router_mcast_addrs = mcast_addrs + [
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"ff02::2", # All routers link-local
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"ff03::2", # All routers realm-local
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]
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check_multicast_addresses(router, router_mcast_addrs)
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check_multicast_addresses(fed, router_mcast_addrs)
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check_multicast_addresses(sed, mcast_addrs)
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# Add a multicast address
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MCAST_ADDR = "ff02::114"
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for node in [router, fed, sed]:
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node.add(wpan.WPAN_IP6_MULTICAST_ADDRESSES, MCAST_ADDR)
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addrs = wpan.parse_list(node.get(wpan.WPAN_IP6_MULTICAST_ADDRESSES))
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verify(MCAST_ADDR in addrs)
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node.remove(wpan.WPAN_IP6_MULTICAST_ADDRESSES, MCAST_ADDR)
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addrs = wpan.parse_list(node.get(wpan.WPAN_IP6_MULTICAST_ADDRESSES))
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verify(MCAST_ADDR not in addrs)
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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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