def handle_packet(self,packet):
# drop packet due to queue overflow
if self.queue_size and len(self.queue) == self.queue_size:
Sim.trace("%d dropped packet due to queue overflow" % (self.address))
if self.printOut:
self.myfile.write(str(Sim.scheduler.current_time()) + " x\n")
Sim.print_packet_loss(packet)
return
# drop packet due to random loss
if self.loss > 0 and random.random() < self.loss:
Sim.trace("%d dropped packet due to random loss" % (self.address))
if self.printOut:
self.myfile.write(str(Sim.scheduler.current_time()) + " x\n")
return
packet.enter_queue = Sim.scheduler.current_time()
if len(self.queue) == 0 and not self.busy:
# packet can be sent immediately
self.busy = True
self.transmit(packet)
else:
# add packet to queue
self.queue.append(packet)
