def configure(self, rundp_name, partition):
try:
PVSS.info('Create checkpoint: Read RunInfo from ' + rundp_name +
' for ' + partition,
timestamp=1)
if partition == 'LHCb':
res = self.create(rundp_name)
return res
return 'SUCCESS'
except Exception, X:
print 'Exception:', X
def makeAnswer(self,status,msg):
"Create answer object from status."
print 'Answer message:',status,msg
PVSS.info('Result ('+msg+')',timestamp=1,type=PVSS.UNEXPECTEDSTATE)
m = status + msg
print 'Answer message:',m
print 'DP:',self.state.name()
self.writer.clear()
self.state.data = m
self.writer.add(self.state)
if self.writer.execute():
return 1
return 0
def __init__(self, manager, name, postfix, objects=[]):
""" Object constructor
@param manager Reference to PVSS ControlManager
@param name Name of the Streaming control datapoint
@param postfix Modifier for reply datapoint name
@param objects List of clients to be managed
@return reference to initialized object
"""
self.objects = objects
self.manager = manager
self.name = name
self.postfix = postfix
self.do_sleep= 1
PVSS.PyDeviceListener.__init__(self,self,manager)
self.writer = manager.devWriter()
self.control = self.objects[0].get('Command')
self.state = self.objects[0].get('State')
Online.Utils.openFMC()
PVSS.info(name+': Listen to '+self.control.name(),timestamp=1,type=PVSS.CONNECTED)
PVSS.info(name+': Answer to '+self.state.name(),timestamp=1,type=PVSS.CONNECTED)
self.sensor = PVSS.DeviceSensor(manager,self.control)
def doExecute(self,function,runDpName,partition):
"""
Execute service request.
The request is forwarded to each controlled client object.
The callback name is given as a string.
Parameters:
@param function Callback name of the client
@param runDpName Name of the RunInfo datapoint
@param partition Partition name
"""
result = None
r0 = None
##PVSS.info('Executing action:'+function,timestamp=1)
for i in self.objects:
if hasattr(i,function):
result = getattr(i,function)(runDpName, partition)
if r0 is None: r0 = result
if result is None:
PVSS.error('The controlled object '+i.name+' failed: '+function,timestamp=1,type=PVSS.ILLEGAL_ARG)
return result
PVSS.info('The controlled object '+i.name+' succeeded: '+function,timestamp=1)
return r0
def run(self): "Start the controls task by activating the listening devices." self.sensor.addListener(self) self.sensor.run(1) PVSS.info(self.name+': Sensor started...',timestamp=1,type=PVSS.CONNECTED) return self
def handleDevice(self):
"Callback once per item in the device sensor list on datapoint change."
import traceback
cmd = ''
try:
print "Callback once per item in the device sensor list on datapoint change."
nam = self.dp().name()
cmd = self.dp().value().data()
itms = cmd.split('/')
print nam,cmd
if len(itms) >= 5:
command = itms[0]
storage = itms[1][:-len(self.postfix)]
partition = itms[2]
partID = itms[3]
runDpName = itms[4]
Online.Utils.setPartition(partition)
answer = '/'+itms[1]+'/'+partition+"/"+str(partID)
result = None
if storage == self.name:
if command == "CONFIGURE":
dp = itms[5]
ok = itms[6]
err = itms[7]
data = PVSS.DataPoint(self.manager,PVSS.DataPoint.original(dp))
data.data = ok
try:
result = self.doExecute('configure',runDpName,partition)
if result is None: data.data = err
except Exception, X:
PVSS.error('The command:"'+cmd+'" failed:'+str(X),timestamp=1,type=PVSS.ILLEGAL_ARG)
traceback.print_exc()
data.data = err
self.writer.add(data)
Online.Utils.log('The command:"'+cmd+'" finished.',timestamp=1)
self.writer.execute()
Online.Utils.log('---> Wrote answer '+data.data+' to datapoint:'+dp,timestamp=1)
return self
elif command == "RECOVER_SLICE":
dp = itms[5]
ok = itms[6]
err = itms[7]
data = PVSS.DataPoint(self.manager,PVSS.DataPoint.original(dp))
data.data = ok
try:
result = self.doExecute('recover_slice',runDpName,partition)
if result is None: data.data = err
except Exception, X:
PVSS.error('The command:"'+cmd+'" failed:'+str(X),timestamp=1,type=PVSS.ILLEGAL_ARG)
traceback.print_exc()
data.data = err
self.writer.add(data)
self.writer.execute()
return self
try:
if command == "ALLOCATE":
result = self.doExecute('allocate',runDpName,partition)
if result is not None:
return self.makeAnswer(command,answer+'/'+result)
elif command == "REALLOCATE":
result = self.doExecute('free',runDpName,partition)
if result is None:
PVSS.error('The command:"free" failed.',timestamp=1,type=PVSS.ILLEGAL_ARG)
result = self.doExecute('allocate',runDpName,partition)
if result is not None:
return self.makeAnswer(command,answer+'/'+result)
elif command == "DEALLOCATE":
result = self.doExecute('free',runDpName,partition)
PVSS.info('Result ('+command+')',timestamp=1,type=PVSS.UNEXPECTEDSTATE)
if result == "WAS_NOT_ALLOCATED":
msg = '[WAS_NOT_ALLOCATED] Ignore Error on deallocate on request from Clara'
PVSS.error(msg,timestamp=1,type=PVSS.UNEXPECTEDSTATE)
#result=None
if result is not None:
return self.makeAnswer(command,answer+'/'+result)
elif command == "RECOVER":
result = self.doExecute('recover',runDpName,partition)
if result is not None:
#print answer+'/'+result
return self.makeAnswer('READY',answer+'/'+result)
msg = 'The command:"'+cmd+'" failed. [Internal Error] '
PVSS.error(msg,timestamp=1,type=PVSS.UNEXPECTEDSTATE)
return self.makeAnswer('ERROR',answer)
except Exception,X:
PVSS.error('The command:"'+cmd+'" failed:'+str(X),timestamp=1,type=PVSS.ILLEGAL_ARG)
traceback.print_exc()
return self.makeAnswer('ERROR',answer)
except:
PVSS.error('The command:"'+cmd+'" failed (Unknown exception)',timestamp=1,type=PVSS.ILLEGAL_ARG)
traceback.print_exc()
return self.makeAnswer('ERROR',answer)