def get(self, user_id, create_if_missing=False, **_private_kw):
"""
Get state for the specified user, but don't acquire a lock.
Returns None if the state was not found.
Note: _private_kw should never be used as part of the public API.
It is a private interface which allows open() to acquire a lock
and is UNSAFE for external use.
"""
log.debug("uuss.UserState.get %r", user_id)
user_id = str(user_id)
if not user_id:
raise UserstateException("user_id is empty... %r" % user_id)
if user_id[0] == "{":
raise UserstateException("user_id appears to be json... %r" % user_id)
req = proto.GetRequest()
req.game = self.game
req.user_id = user_id
req.create_if_missing = create_if_missing
req.lock = _private_kw.get('_lock', False)
req.lock_label = _private_kw.get('_lock_label', 'generic')
req.lock_timeout = _private_kw.get('_lock_timeout', 60)
req.lock_max_wait = _private_kw.get('_lock_max_wait', 30)
self._protocol_send_message(req)
resp = self._recv_expected_message(proto.GetResponse, self.game, user_id)
if resp.state == "":
state = None
else:
state = chunking.reconstitute_chunks(resp.state, self._lazy_load_chunks)
check_user_id(user_id, state, game=self.game)
return state
def save(self, user_id, state):
"""
Save the state for the specified user (but don't release the lock).
user_id: string
state: dict (not a json string)
"""
log.debug("uuss.UserState.save %r", user_id)
user_id = str(user_id)
# Debugging for FB20021
if user_id == 'null':
raise Exception('"null" user_id in userstate.save')
if not isinstance(state, dict):
raise Exception('state not a dict for user_id %s' % user_id)
check_user_id(user_id, state, game=self.game)
req = proto.SaveRequest()
req.game = self.game
req.user_id = user_id
req.state = chunking.blow_chunks(state, self.chunk_config)
self._protocol_send_message(req)
resp = self._recv_expected_message(proto.SaveResponse, self.game, user_id)
print "Wrong user_id in state for %r" % uid
user_state = model.dane.UserState.get(uid)
try:
state = chunking.reconstitute_chunks(user_state.state, True)
except:
chunking_exc = sys.exc_info()
try:
state = simplejson.loads(zlib.decompress(user_state.state))
except Exception, e:
print "Chunking and original formats failed"
print e
print chunking_exc
try:
uuss.check_user_id(uid, state)
except:
print "User ID for %r incorrect in DB\n%r" % (uid, state)
state = userstate._mc.get(userstate._make_key(uid), lazy_load_chunks=True)
try:
uuss.check_user_id(uid, state)
except:
print "UserID for %r incorrect in Memcache\n%r" % (uid, state)
if uid in fixed_userstates:
print "WARNING: uid %r has been fixed %r times before" % (uid, fixed_userstates[uid])
else:
fixed_userstates[uid] = 0
fixed_userstates[uid] += 1
userstate.save(uid, {'user_id': uid})
