def test03_Verify_Parent_Reset(self):
# Remember number of NCP state changes (using "stat:ncp" property) per child
child_num_state_changes = []
for child in self.all_children:
child_num_state_changes.append(
len(wpan_table_parser.parse_list(child.get("stat:ncp"))))
print child_num_state_changes
# Reset the parent
self.router.reset_thread_radio()
self.wait_for_completion(self.device_list)
def check_parent_is_associated():
verify(is_associated(self.router))
verify_within(check_parent_is_associated, 20, 3)
# Verify that all the children are recovered and present in the parent's child table again (within 30 seconds).
verify_within(self.check_child_table, 30, 5)
# Verify that number of state changes on all children stays as before (indicating they did not get detached).
for i in range(len(self.all_children)):
verify(child_num_state_changes[i] == len(
wpan_table_parser.parse_list(self.all_children[i].get(
"stat:ncp"))))
def test03_Add_Mutilcast_Address(self):
for node in self.device_list:
node.add(wpan.WPAN_IP6_MULTICAST_ADDRESSES, MCAST_ADDR)
addrs = wpan_table_parser.parse_list(
node.get(wpan.WPAN_IP6_MULTICAST_ADDRESSES))
verify(MCAST_ADDR in addrs)
node.remove(wpan.WPAN_IP6_MULTICAST_ADDRESSES, MCAST_ADDR)
addrs = wpan_table_parser.parse_list(
node.get(wpan.WPAN_IP6_MULTICAST_ADDRESSES))
verify(not MCAST_ADDR in addrs)
def test03_Change_Parent(self):
# Remove the `child` from whitelist of `parent2` and add it to whitelist of `parent1` instead.
self.child_num_state_changes = len(
wpan_table_parser.parse_list(self.child1.get("stat:ncp")))
print self.child_num_state_changes
self.parent1.whitelist_node(self.child1)
self.parent2.un_whitelist_node(self.child1)
# Enable supervision check on the `child` and also on `parent1`.
self.child1.setprop(wpan.WPAN_CHILD_SUPERVISION_CHECK_TIMEOUT,
str(CHILD_SUPERVISION_CHECK_TIMEOUT))
self.parent1.setprop(wpan.WPAN_CHILD_SUPERVISION_INTERVAL,
str(PARENT_SUPERVISION_INTERVAL))
# Since child supervision is not enabled on `parent2` and the `child` is
# removed from whitelist on `parent2`, after the supervision check timeout
# the `child` should realize that it can no longer talk to its current
# parent (`parent2`) and try to reattach. All re-attach attempts to `parent2`
# should fail (due to whitelist) and cause the `child` to get detached and
# search for a new parent and then attach to `parent1`.
#
# To verify that the `child` does get detached and attach to a new parent, we
# monitor the number of state changes using wpantund property "stat:ncp".
verify_within(self.check_child_is_reattached, 60, 5)
def check_child_is_reattached(self):
child_stat_ncp_changes = len(
wpan_table_parser.parse_list(self.child1.get("stat:ncp")))
print child_stat_ncp_changes
verify(child_stat_ncp_changes > self.child_num_state_changes)
verify(is_associated(self.child1))
def find_ip6_address_with_prefix(self, prefix):
"""Find an IPv6 address on node matching a given prefix.
`prefix` should be an string containing the prefix.
Returns a string containing the IPv6 address matching the prefix or empty string if no address found.
"""
if len(prefix) > 2 and prefix[-1] == ':' and prefix[-2] == ':':
prefix = prefix[:-1]
all_addrs = wpan_table_parser.parse_list(
self.get(wpan.WPAN_IP6_ALL_ADDRESSES))
matched_addr = [addr for addr in all_addrs if addr.startswith(prefix)]
return matched_addr[0] if len(matched_addr) >= 1 else ''
def check_multicast_addresses(self, node, mcast_addr_list):
addrs = wpan_table_parser.parse_list(
node.get(wpan.WPAN_IP6_MULTICAST_ADDRESSES))
for addr in mcast_addr_list:
verify(addr in addrs)
def check_child_is_removed_from_parent2_table(self):
child_table = wpan_table_parser.parse_list(
self.parent2.get(wpan.WPAN_THREAD_CHILD_TABLE))
verify(len(child_table) == 0)