def aggregator(es):
db = DBManager()
while True:
time.sleep(1)
for (endhost, burstid), burst in es.sent_echos.items():
try:
#check for a valid burst with time expired
if not valid_burst(burst):
continue
rtt = [packet['rtt'] for packet in burst if packet['rtt'] is not None]
es.del_sent_echo(endhost, burstid)
#100% loss. end host is probably dead
if len(rtt) == 0:
es.delete_targets(endhost, burst[0]['through'])
continue
latency = numpy.average(rtt)
jitter = numpy.std(rtt)
loss = float((BURST_SIZE - len(rtt)) / BURST_SIZE) * 100
db.store_rtt(endhost, str(burst[0]['through'].id_), latency, jitter, loss,
time.gmtime(burst[0]['sent_at']))
except Exception, e:
print e
