def __store(self, statusDict, derive=False):
"""Store a dictionary of status alias/values into the staus system.
If (derive)==True, then any derived status values that depend on
these values will be recomputed (default is True).
"""
with self._lock:
mon_d = {}
# Store status items
self.logger.debug("Stored: %s" % str(statusDict))
self.g2status.update(statusDict)
if common.mon_transmit:
mon_d.update(common.ro_sanitize(statusDict, pfx='mon.status.'))
if derive:
# Compute derived aliases linked to aliases sent.
d = self.derive.aliasesToDerivedAliasesDict(
statusDict.keys(), None)
if d:
self.derive.derive(d)
self.logger.debug("Derived: %s" % str(d))
self.g2status.update(d)
if common.mon_transmit:
mon_d.update(common.ro_sanitize(d, pfx='mon.status.'))
if common.mon_transmit:
# Update status seen through the monitor
self.monitor.store(mon_d, ['status'])
def set_statusValuesDict(self, statusDict):
if common.ro_long_fix:
valDict = common.ro_sanitize(statusDict)
else:
valDict = statusDict
try:
self.statusObj.store(valDict)
except ro.remoteObjectError, e:
raise common.statusError(str(e))
def fetch(self, statusDict):
"""Fetch all aliases specified by the keys of statusDict.
Returns a dict with all the key/value pairs.
"""
d = self.__fetch(statusDict, derive=False, allow_none=False)
# Sanitize for return trip over remoteObjects, if necessary
if common.ro_long_fix:
d = common.ro_sanitize(d)
self.logger.debug("Fetched: %s" % (str(d)))
return d
def monxmit(self, fetchDict):
self.__fetch(fetchDict, derive=False, allow_none=False)
# Get current status set
mon_d = {}
with self._lock:
mon_d.update(common.ro_sanitize(fetchDict, pfx=None))
try:
# Update status seen through the monitor
self.monitor.update('mon.status', mon_d, ['status'])
except Exception, e:
self.logger.error("Error transmitting status: %s" % str(e))
def fetchOne(self, alias):
"""Fetch exactly one alias value.
"""
d = self.__fetch({ alias: common.STATNONE },
derive=False, allow_none=False)
# Sanitize for return trip over remoteObjects, if necessary
if common.ro_long_fix:
d = common.ro_sanitize(d)
val = d[alias]
self.logger.debug("Fetched: %s=%s" % (alias, str(val)))
return val