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Detect indefinitely broken session and mark it

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There are evidently scenarios where an orphaned object could
be stuck in logging indefinitely.  Place a cap and automatically
mark the object if it suffers from this.

Change-Id: I60733c1eabb56494ad848595b46240af82c186d3
This commit is contained in:
Jarrod Johnson 2020-01-07 16:00:41 -05:00
parent 90d02c0a03
commit e2c6489c2c
1 changed files with 6 additions and 0 deletions
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6
pyghmi/ipmi/private/session.py
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@ -493,6 +493,7 @@ class Session(object):
else:
self.privlevel = 4
self.autopriv = True
self.logoutexpiry = None
self.autokeepalive = keepalive
self.maxtimeout = 3 # be aggressive about giving up on initial packet
self.incommand = False
@ -595,6 +596,7 @@ class Session(object):
self.authtype = 0
self.ipmiversion = 1.5
self.timeout = initialtimeout + (0.5 * random.random())
self.logoutexpiry = _monotonic_time() + self._getmaxtimeout()
self.seqlun = 0
# NOTE(jbjohnso): per IPMI table 5-4, software ids in the ipmi spec may
# be 0x81 through 0x8d. We'll stick with 0x81 for now,
@ -755,6 +757,9 @@ class Session(object):
timeout=None,
callback=None):
if not self.logged:
if (self.logoutexpiry is not None and
_monotonic_time() > self.logoutexpiry):
self._mark_broken()
raise exc.IpmiException('Session no longer connected')
self._cmdwait()
if not self.logged:
@ -1005,6 +1010,7 @@ class Session(object):
def _req_priv_level(self):
self.logged = 1
self.logoutexpiry = None
response = self.raw_command(netfn=0x6, command=0x3b,
data=[self.privlevel])
if response['code']: