def _initDS(self):
'''Initialises all DataSync, Queue and timestamping containers and begin check process'''
self.ioq = {etft:None for etft in FEEDS.values()}
self.ds = {etft:None for etft in FEEDS.values()}
self.stamp = {etft:time.time() for etft in FEEDS.values()}
#init the g2+a2+a1 different feed threads
self.dsr = {f:DataSyncFeeds for f in FIRST.values()}
self.dsr[FeedRef((FeatureType.ADDRESS,FeedType.FEATURES))] = DataSyncFeatures
#Users feed not included in DSR for Release1.0
for etft in self._start: self._checkDS(etft)
def response(self,etft=FeedRef((FeatureType.ADDRESS,FeedType.RESOLUTIONFEED))):
'''Returns any features lurking in the response queue
- Response queue contains esponses to user generated requests
@param etft: FeedRef of response thread. Default=Address/Resolution
@type etft: FeedRef
@return: Feature
'''
resp = ()
delflag = False
#while self.ioq.has_key((et,ft)) and not self.ioq[(et,ft)]['resp'].empty():
while etft in FEEDS.values() and not self.ioq[etft]['resp'].empty():
resp += (self.ioq[etft]['resp'].get(),)
#don't delete the queue while we're still getting items from it, instead mark it for deletion
if etft in FEED0.values(): delflag = True
if delflag: self._cullDS(etft)
return resp
def __init__(self,params,queues):
'''Initialise new DataSync object splitting out config parameters
@param params: List of configuration parameters
@type params: List<?>
@param queues: List of IOR queues
@type queues: Dict<String,Queue.Queue>
'''
#from DataManager import FEEDS
super(DataSync,self).__init__()
#thread reference, ft to AD/CF/RF, config info
self.start_time = time.time()
self.updater_running = False
self.ref,self.etft,self.ftracker,self.conf = params
self.data_hash = {dh:0 for dh in FEEDS.values()}
self.factory = FeatureFactory.getInstance(self.etft)
self.updater = DataUpdater.getInstance(self.etft) # unevaluated class
self.inq = queues['in']
self.outq = queues['out']
self.respq = queues['resp']
def _initADL(self):
'''Read ADL from serial and update from API'''
return {f:[] for f in FEEDS.values()}