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KCC: improve docstring for KCC.is_stale_link_connection()

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Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
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Douglas Bagnall 2015-04-28 11:06:58 +12:00 committed by Andrew Bartlett
parent aa4588db63
commit a2ac039d37
1 changed files with 9 additions and 5 deletions
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14
source4/scripting/bin/samba_kcc
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@ -369,12 +369,16 @@ class KCC(object):
self.kcc_failed_connections.difference_update(restore_connections)
def is_stale_link_connection(self, target_dsa):
"""Returns False if no tuple z exists in the kCCFailedLinks or
kCCFailedConnections variables such that z.UUIDDsa is the
objectGUID of the target dsa, z.FailureCount > 0, and
the current time - z.TimeFirstFailure > 2 hours.
"""Check whether a link to a remote DSA is stale
Used in MS-ADTS 6.2.2.2 Intrasite Connection Creation
Returns True if the remote seems to have been down for at
least two hours, otherwise False.
:param target_dsa: the remote DSA object
:return: True if link is stale, otherwise False
"""
# Returns True if tuple z exists...
failed_link = self.kcc_failed_links.get(str(target_dsa.dsa_guid))
if failed_link:
# failure_count should be > 0, but check anyways