def fileReceiver():
serverSocket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
serverSocket.bind(('', 10080))
Pbuf = MyPacket.PacketBuffer(0)
rhandler = MyPacket.RecvHandler(Pbuf, serverSocket)
rhandler.recv(writePkt, writeAck, writeEnd, 2048)
rhandler.write()
def fileSender(recvAddr, windowSize, srcFilename, dstFilename):
clientSocket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
clientSocket.connect((recvAddr, 10080))
logfile = open(dstFilename + '_sending_log.txt', 'w')
Pbuf = MyPacket.PacketBuffer(windowSize)
shandler = MyPacket.SendHandler(Pbuf, clientSocket, logfile)
thSend = Thread(target=shandler.sendto, args=((recvAddr, 10080), writePkt))
thAck = Thread(target=shandler.check_acked, args=(writeAck, ))
thTimer = Thread(target=shandler.timer, args=(writeAck, writeEnd))
firstpacket = MyPacket.Packet((dstFilename + ':' + shandler.myaddr[0] +
';' + str(shandler.myaddr[1])).encode(),
False, 0)
shandler.buf.append(firstpacket)
filedata = open(srcFilename, 'rb')
ackNum = 1
retdata = None
while True:
retdata = filedata.read(1024)
if not retdata:
shandler.buf[-1].end = True
break
shandler.buf.append(MyPacket.Packet(retdata, False, ackNum))
ackNum += 1
filedata.close()
thSend.start()
thAck.start()
thTimer.start()
thSend.join()
thAck.join()
thTimer.join()
i = 0
totalRTT = 0
length = shandler.length
print("[SENDER] goodput : %f, avgRTT : %f" %
(shandler.goodput, shandler.avgRTT))
writeEnd(logfile, shandler.goodput, shandler.avgRTT * 1000)
logfile.close()
clientSocket.close()
