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#!/usr/bin/env python
#
# Copyright (c) 2016, The OpenThread Authors.
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import time
import unittest
import config
import mle
import node
LEADER = 1
ROUTER1 = 2
ROUTER2 = 3
SNIFFER = 4
class Cert_5_1_12_NewRouterSync(unittest.TestCase):
def setUp(self):
self.nodes = {}
for i in range(1, 4):
self.nodes[i] = node.Node(i)
self.nodes[LEADER].set_panid(0xface)
self.nodes[LEADER].set_mode('rsdn')
self.nodes[LEADER].add_whitelist(self.nodes[ROUTER1].get_addr64())
self.nodes[LEADER].add_whitelist(self.nodes[ROUTER2].get_addr64())
self.nodes[LEADER].enable_whitelist()
self.nodes[ROUTER1].set_panid(0xface)
self.nodes[ROUTER1].set_mode('rsdn')
self.nodes[ROUTER1].add_whitelist(self.nodes[LEADER].get_addr64())
self.nodes[ROUTER1].enable_whitelist()
self.nodes[ROUTER1].set_router_selection_jitter(1)
self.nodes[ROUTER2].set_panid(0xface)
self.nodes[ROUTER2].set_mode('rsdn')
self.nodes[ROUTER2].add_whitelist(self.nodes[LEADER].get_addr64())
self.nodes[ROUTER2].enable_whitelist()
self.nodes[ROUTER2].set_router_selection_jitter(1)
self.sniffer = config.create_default_thread_sniffer(SNIFFER)
self.sniffer.start()
def tearDown(self):
self.sniffer.stop()
del self.sniffer
for node in list(self.nodes.values()):
node.stop()
del self.nodes
def verify_step_4(self, router1_messages, router2_messages, req_receiver, accept_receiver):
if router2_messages.contains_mle_message(mle.CommandType.LINK_REQUEST) and \
(router1_messages.contains_mle_message(mle.CommandType.LINK_ACCEPT) or
router1_messages.contains_mle_message(mle.CommandType.LINK_ACCEPT_AND_REQUEST)):
msg = router2_messages.next_mle_message(mle.CommandType.LINK_REQUEST)
msg.assertSentToNode(self.nodes[req_receiver])
msg.assertMleMessageContainsTlv(mle.SourceAddress)
msg.assertMleMessageContainsTlv(mle.LeaderData)
msg.assertMleMessageContainsTlv(mle.Challenge)
msg.assertMleMessageContainsTlv(mle.Version)
msg.assertMleMessageContainsTlv(mle.TlvRequest)
msg = router1_messages.next_mle_message_of_one_of_command_types(mle.CommandType.LINK_ACCEPT_AND_REQUEST,
mle.CommandType.LINK_ACCEPT)
self.assertIsNotNone(msg)
msg.assertSentToNode(self.nodes[accept_receiver])
msg.assertMleMessageContainsTlv(mle.SourceAddress)
msg.assertMleMessageContainsTlv(mle.LeaderData)
msg.assertMleMessageContainsTlv(mle.LinkLayerFrameCounter)
msg.assertMleMessageContainsOptionalTlv(mle.MleFrameCounter)
msg.assertMleMessageContainsTlv(mle.Version)
msg.assertMleMessageContainsTlv(mle.LinkMargin)
if msg.mle.command.type == mle.CommandType.LINK_ACCEPT_AND_REQUEST:
msg.assertMleMessageContainsTlv(mle.TlvRequest)
msg.assertMleMessageContainsTlv(mle.Challenge)
return True
else:
return False
def test(self):
self.nodes[LEADER].start()
self.nodes[LEADER].set_state('leader')
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
time.sleep(4)
self.nodes[ROUTER1].start()
time.sleep(5)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
self.nodes[ROUTER2].start()
time.sleep(5)
self.assertEqual(self.nodes[ROUTER2].get_state(), 'router')
time.sleep(10)
leader_messages = self.sniffer.get_messages_sent_by(LEADER)
router1_messages = self.sniffer.get_messages_sent_by(ROUTER1)
router2_messages = self.sniffer.get_messages_sent_by(ROUTER2)
# 2 - Router1
msg = router1_messages.next_mle_message(mle.CommandType.ADVERTISEMENT)
msg.assertSentWithHopLimit(255)
msg.assertSentToDestinationAddress("ff02::1")
msg.assertMleMessageContainsTlv(mle.SourceAddress)
msg.assertMleMessageContainsTlv(mle.LeaderData)
msg.assertMleMessageContainsTlv(mle.Route64)
self.nodes[ROUTER1].add_whitelist(self.nodes[ROUTER2].get_addr64())
self.nodes[ROUTER2].add_whitelist(self.nodes[ROUTER1].get_addr64())
time.sleep(35)
leader_messages = self.sniffer.get_messages_sent_by(LEADER)
router1_messages = self.sniffer.get_messages_sent_by(ROUTER1)
router2_messages = self.sniffer.get_messages_sent_by(ROUTER2)
# 4 - Router1, Router2
self.assertTrue(self.verify_step_4(router1_messages, router2_messages, ROUTER1, ROUTER2) or
self.verify_step_4(router2_messages, router1_messages, ROUTER2, ROUTER1))
if __name__ == '__main__':
unittest.main()