188 lines
6.6 KiB
Python
188 lines
6.6 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 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: Adding off-mesh routes (on routers and FEDs) and traffic flow to off-mesh addresses.
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#
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# Test topology:
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#
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# r1 ---- r2
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# fed1 sed2
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#
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# The off-mesh-routes are added as follows:
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# - `r1` adds `OFF_MESH_ROUTE_1`,
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# - `r2` adds `OFF_MESH_ROUTE_2`,
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# - `fed1` adds `OFF_MESH_ROUTE_3`.
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#
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# Traffic flow:
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# - From `sed2` to an address matching `OFF_MESH_ROUTE_1` (verify it is received on `r1`),
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# - From `r1` to an address matching `OFF_MESH_ROUTE_2` (verify it is received on `r2`),
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# - From `r2` to an address matching `OFF_MESH_ROUTE_3` (verify it is received on `fed1`)
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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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fed1 = wpan.Node()
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r2 = wpan.Node()
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sed2 = wpan.Node()
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all_nodes = [r1, fed1, 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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for node in all_nodes:
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# Disable `AutoUpdateInterfaceAddrsOnNCP` feature on wpantund
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# for all nodes. This ensures that added IPv6 address (on linux
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# interface) are not pushed to NCP (and therefore are not
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# on-mesh).
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node.set("Daemon:IPv6:AutoUpdateInterfaceAddrsOnNCP", '0')
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# -----------------------------------------------------------------------------------------------------------------------
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# Build network topology
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#
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# r1 ---- r2
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# | |
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# | |
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# fed1 sed2
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r1.allowlist_node(r2)
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r2.allowlist_node(r1)
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r1.allowlist_node(fed1)
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fed1.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("off-mesh")
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r2.join_node(r1, wpan.JOIN_TYPE_ROUTER)
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fed1.join_node(r1, wpan.JOIN_TYPE_END_DEVICE)
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sed2.join_node(r2, wpan.JOIN_TYPE_SLEEPY_END_DEVICE)
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sed2.set(wpan.WPAN_POLL_INTERVAL, '1500')
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# -----------------------------------------------------------------------------------------------------------------------
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# Test implementation
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WAIT_TIME = 10
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NUM_ROUTES = 3
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NUM_ROUTES_LOCAL = 1
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ON_MESH_PREFIX = "fd00:1234::"
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OFF_MESH_ROUTE_1 = "fd00:abba::"
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OFF_MESH_ROUTE_2 = "fd00:cafe::"
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OFF_MESH_ROUTE_3 = "fd00:baba::"
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OFF_MESH_ADDR_1 = OFF_MESH_ROUTE_1 + "1"
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OFF_MESH_ADDR_2 = OFF_MESH_ROUTE_2 + "2"
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OFF_MESH_ADDR_3 = OFF_MESH_ROUTE_3 + "3"
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# Add on-mesh prefix
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r1.config_gateway(ON_MESH_PREFIX)
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# The off-mesh-routes are added as follows:
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# - `r1` adds OFF_MESH_ROUTE_1,
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# - `r2` adds OFF_MESH_ROUTE_2,
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# - `fed1` adds OFF_MESH_ROUTE_3.
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r1.add_route(OFF_MESH_ROUTE_1)
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r1.add_ip6_address_on_interface(OFF_MESH_ADDR_1)
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r2.add_route(OFF_MESH_ROUTE_2)
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r2.add_ip6_address_on_interface(OFF_MESH_ADDR_2)
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fed1.add_route(OFF_MESH_ROUTE_3)
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fed1.add_ip6_address_on_interface(OFF_MESH_ADDR_3)
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# Wait till network data is updated on r1, r2, and sed2 and they all see all
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# the added off-mesh routes.
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def check_off_mesh_routes():
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# If a node itself adds a route, the route entry will be seen twice in
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# its WPAN_THREAD_OFF_MESH_ROUTES list (one time as part of network-wide
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# network data and again as part of the local network data). Note that
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# `r1 and `r2` each add a route, while `sed2` does not.
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verify(len(wpan.parse_list(r1.get(wpan.WPAN_THREAD_OFF_MESH_ROUTES))) == NUM_ROUTES + NUM_ROUTES_LOCAL)
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verify(len(wpan.parse_list(r2.get(wpan.WPAN_THREAD_OFF_MESH_ROUTES))) == NUM_ROUTES + NUM_ROUTES_LOCAL)
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verify(len(wpan.parse_list(sed2.get(wpan.WPAN_THREAD_OFF_MESH_ROUTES))) == NUM_ROUTES)
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wpan.verify_within(check_off_mesh_routes, WAIT_TIME)
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# Traffic from `sed2` to `OFF_MESH_ADDR_1` (verify that it is received on
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# `r1`).
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src = sed2.find_ip6_address_with_prefix(ON_MESH_PREFIX)
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sender = sed2.prepare_tx(src, OFF_MESH_ADDR_1, "Hello Route1")
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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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# Traffic from `r1` to `OFF_MESH_ADDR_2` (verify that it is received on `r2`),
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src = r1.find_ip6_address_with_prefix(ON_MESH_PREFIX)
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sender = r1.prepare_tx(src, OFF_MESH_ADDR_2, "Hello Route2")
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recver = r2.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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# Traffic from `r2` to `OFF_MESH_ADDR_3` (verify that it is received on `fed1`)
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src = r2.find_ip6_address_with_prefix(ON_MESH_PREFIX)
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sender = r2.prepare_tx(src, OFF_MESH_ADDR_3, "Hello Route3")
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recver = fed1.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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