Mtce polls/queries the remote host for mtcAlive messages
for 42 x 100 ms intervals over unlock or host failed cases.
Absence of mtcAlive during this (~5 sec) period indicates
the node is offline.
However, in the rare case where shutdown is slow, 5 seconds
is not long enough. Rare cases have been seen where 7 or 8
second wait time is required to properly declare offline.
To avoid the rare transient 200.004 host alarm over an
unlock operation, this update increases the mtce host
offline window from 5 to 10 seconds (approx) by modifying
the mtce configuration file offline threshold from 42 to 90.
Test Plan:
PASS: Verify unchallenged failed to offline period to be ~10 secs
PASS: Verify algorithm restarts if there is mtcAlive received
anytime during the polls/queries (challenge) window.
PASS: Verify challenge handling leads to a longer but
successful offline declaration.
PASS: Verify above handling for both unlock and spontaneous
failure handling cases.
Closes-Bug: 2024249
Change-Id: Ice41ed611b4ba71d9cf8edbfe98da4b65dcd05cf
Signed-off-by: Eric MacDonald <eric.macdonald@windriver.com>
d863aea172