def applyCountermeasureOld(trace, metadata):
[targetBursts] = metadata
rndmIndx = random.randint(0,
len(targetBursts) -
1) # pick a trace from target at random
# burst tuple = (direction, size, number, timeDiff, burstPackets)
# pick one trace randomly [(tuple), (tuple), ...]
targetBurstsList = targetBursts[rndmIndx]
sourceBurstsList = trace.getBurstsListWithPackets()
newTrace = Trace(trace.getId())
pointer = 0 # to loop over burst tuples in src and trgt in order until one is exhausted
while True:
if pointer >= len(sourceBurstsList) or pointer >= len(
targetBurstsList):
break
sourceBurstPackets = sourceBurstsList[pointer][
4] # list of packets for that burst
targetBurstPackets = targetBurstsList[pointer][4]
srcPktTimes = []
for packet in sourceBurstPackets:
srcPktTimes.append(packet.getTime())
lastSrcPktTime = srcPktTimes[
-1] # for extra burst padding down below, before pop
if len(sourceBurstPackets) < len(targetBurstPackets):
for packet in targetBurstPackets:
if len(srcPktTimes) != 0:
newPktTime = srcPktTimes.pop(
0) # remove first from the queue
# eventually last src packet time is repeated
# to make sure we don't exceed original burst transimission time
newPkt = Packet(packet.getDirection(), newPktTime,
packet.getLength())
newTrace.addPacket(newPkt)
else:
for packet in sourceBurstPackets:
newTrace.addPacket(packet)
pointer += 1
while pointer < len(sourceBurstsList):
sourceBurstPackets = sourceBurstsList[pointer][4]
for packet in sourceBurstPackets:
newTrace.addPacket(packet)
pointer += 1
# extra bursts tail
# '''
while pointer < len(targetBurstsList):
targetBurstPackets = targetBurstsList[pointer][4]
for packet in targetBurstPackets:
lastSrcPktTime += 1
newPkt = Packet(packet.getDirection(), lastSrcPktTime,
packet.getLength())
newTrace.addPacket(newPkt)
pointer += 1
# '''
print str(trace.getId())
print str(trace.getPacketCount())
print str(newTrace.getPacketCount())
print "--------------"
return newTrace
