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[toranj] update address cache table test (#4879)

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Updated test-021-address-cache-table.py to reflect cache entry
invalidation when sending to a neighbor that does not have the
destination.
This commit is contained in:
Jonathan Hui
2020-04-28 11:30:13 -07:00
parent 3c09c378d4
commit 0778831ecd
1 changed files with 130 additions and 4 deletions
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tests/toranj/test-021-address-cache-table.py
+130 -4
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@@ -226,7 +226,27 @@ recver = c2.prepare_rx(sender)
wpan.Node.perform_async_tx_rx()
verify(sender.was_successful and recver.was_successful)
# The address cache table on r1 should still be the same as before.
# The address cache table on r1 should have c2's address removed.
addr_cache_table = wpan.parse_address_cache_table_result(
r1.get(wpan.WPAN_THREAD_ADDRESS_CACHE_TABLE))
verify(len(addr_cache_table) == 1)
for entry in addr_cache_table:
if entry.address == c3_address:
# Entry for c3 should still point towards c3
verify(entry.rloc16 == c3_rloc)
else:
raise (wpan.VerifyError("Unknown entry in the address cache table"))
# Send a UDP message from r1 to c2.
sender = r1.prepare_tx(r1_address, c2_address, "Hi again c2")
recver = c2.prepare_rx(sender)
wpan.Node.perform_async_tx_rx()
verify(sender.was_successful and recver.was_successful)
# The address cache table on r1 should have both c1 and c2.
addr_cache_table = wpan.parse_address_cache_table_result(
r1.get(wpan.WPAN_THREAD_ADDRESS_CACHE_TABLE))
@@ -234,14 +254,51 @@ verify(len(addr_cache_table) == 2)
for entry in addr_cache_table:
if entry.address == c2_address:
# Entry for c2 should still point towards r2
verify(entry.rloc16 == r2_rloc)
# Entry for c2 should point towards r3
verify(entry.rloc16 == r3_rloc)
elif entry.address == c3_address:
# Entry for c3 should still point towards c3
verify(entry.rloc16 == c3_rloc)
else:
raise (wpan.VerifyError("Unknown entry in the address cache table"))
# Force c2 to switch its parent from r3 to r2
c2.set(
wpan.WPAN_CHILD_SUPERVISION_CHECK_TIMEOUT,
str(CHILD_SUPERVISION_CHECK_TIMEOUT),
)
r2.set(wpan.WPAN_CHILD_SUPERVISION_INTERVAL, str(PARENT_SUPERVISION_INTERVAL))
r3.un_whitelist_node(c2)
r2.whitelist_node(c2)
c2.whitelist_node(r2)
# Wait for c2 to detach from r3 and attach to r2.
#
# Upon re-attach, previous parent r3 is notified and should remove c2 from
# its child table.
def check_c2_is_removed_from_r3_child_table():
child_table = wpan.parse_list(r3.get(wpan.WPAN_THREAD_CHILD_TABLE))
verify(len(child_table) == 1)
wpan.verify_within(check_c2_is_removed_from_r3_child_table, REATTACH_WAIT_TIME)
# Verify that both c2 is a child of r2
child_table = wpan.parse_list(r2.get(wpan.WPAN_THREAD_CHILD_TABLE))
verify(len(child_table) == 1)
# New network topology
#
# r1 ---- r2 ---- r3
# | | |
# | | |
# c1 c2(s) c3
# Send a UDP message from c2 to c1.
# This message will be forwarded by r1 to its FED child c1.
@@ -250,7 +307,76 @@ recver = c1.prepare_rx(sender)
wpan.Node.perform_async_tx_rx()
verify(sender.was_successful and recver.was_successful)
# r1 upon receiving and forwarding the message from c2 (through r3 now) should
# r1 upon receiving and forwarding the message from c2 (through r2 now) should
# update its address cache table for c2 (address cache update through snooping).
#
# verify that the address cache table is updated correctly.
addr_cache_table = wpan.parse_address_cache_table_result(
r1.get(wpan.WPAN_THREAD_ADDRESS_CACHE_TABLE))
verify(len(addr_cache_table) == 2)
for entry in addr_cache_table:
if entry.address == c2_address:
# Entry for c2's address should now point to r2
verify(entry.rloc16 == r2_rloc)
elif entry.address == c3_address:
# Entry for c3's address should still point to c3
verify(entry.rloc16 == c3_rloc)
else:
raise (wpan.VerifyError("Unknown entry in the address cache table"))
# Force c2 to switch its parent from r2 to r3
CHILD_SUPERVISION_CHECK_TIMEOUT = 2
PARENT_SUPERVISION_INTERVAL = 1
REATTACH_WAIT_TIME = CHILD_SUPERVISION_CHECK_TIMEOUT / speedup + 6
c2.set(
wpan.WPAN_CHILD_SUPERVISION_CHECK_TIMEOUT,
str(CHILD_SUPERVISION_CHECK_TIMEOUT),
)
r3.set(wpan.WPAN_CHILD_SUPERVISION_INTERVAL, str(PARENT_SUPERVISION_INTERVAL))
r2.un_whitelist_node(c2)
r3.whitelist_node(c2)
c2.whitelist_node(r3)
# Wait for c2 to detach from r2 and attach to r3.
#
# Upon re-attach, previous parent r2 is notified and should remove c2 from
# its child table.
def check_c2_is_removed_from_r2_child_table():
child_table = wpan.parse_list(r2.get(wpan.WPAN_THREAD_CHILD_TABLE))
verify(len(child_table) == 0)
wpan.verify_within(check_c2_is_removed_from_r2_child_table, REATTACH_WAIT_TIME)
# Verify that both c2, c3 are children of r3
child_table = wpan.parse_list(r3.get(wpan.WPAN_THREAD_CHILD_TABLE))
verify(len(child_table) == 2)
# New network topology
#
# r1 ---- r2 ---- r3
# | /\
# | / \
# c1 c2(s) c3
# Send a UDP message from c2 to c1.
# This message will be forwarded by r1 to its FED child c1.
sender = c2.prepare_tx(c2_address, c1_address, "Hi c1 child of r1")
recver = c1.prepare_rx(sender)
wpan.Node.perform_async_tx_rx()
verify(sender.was_successful and recver.was_successful)
# r1 upon receiving and forwarding the message from c2 (through r2 now) should
# update its address cache table for c2 (address cache update through snooping).
#
# verify that the address cache table is updated correctly.