def collection_timer_handler(self):
Log.debug("collection_timer_handler enter")
# setup the list of deferred
deferreds = []
# collect for each pack
for pack in self.packs:
# schedule the collection in a thread
deferreds.append(threads.deferToThread(self.pack_collection_handler, pack))
# wait for all of the collection to finish
d = defer.DeferredList(deferreds)
results = yield d
Log.info("measurements collected")
# create list of measurements
measurements = []
# go through the results
for result in results:
# get the pack
pack = result[1]['pack']
for circuit in range(pack.get_num_circuits()):
# create the measurement
circuit_id = str(pack.get_index()) + "-" + str(circuit)
value = result[1][circuit]
measurement = Measurement(circuit=circuit_id, amperage=value, voltage=pack.get_voltage())
# store it in the record
measurements.append(measurement)
# create the record to be written to the database
record = Record(uuid=str(uuid.uuid1()), duration=10.0, timestamp=datetime.utcnow().replace(microsecond=0).isoformat() + "Z")
# write the record
yield Database.write_record(record, measurements)
# poke the uploader to tell it records are ready
self.uploader.upload()
# done
Log.debug("collection_timer_handler exit")
