def run(self):
while True:
if is_stopped:
break
try:
data, addr, received_time = tasks_queue.get(timeout=1)
received_packet = Packet(data=data)
answer_packet = Packet(version=3, mode=4)
# we think that we take from first level server
answer_packet.stratum = 2
answer_packet.poll = 10
# emulate that we have taken time before receiving
answer_packet.reference_time = received_time - 3
# copy time to originate field
answer_packet.originate_time_high = received_packet.transmit_time_high
answer_packet.originate_time_low = received_packet.transmit_time_low
# fill receive and transmit times
answer_packet.received_time = received_time
answer_packet.transmit_time = time.time() + ZERO_TIME_DELTA
# send packet to client
socket.sendto(answer_packet.bytes(), addr)
print("Answered to {0}:{1}".format(addr[0], addr[1]))
except Empty:
continue
