def rdt_rcv_3(self, new_socket):
queue = []
seq = 0
while True:
print("Into the loop")
rcvpkt = []
rcvthread = runScriptThread(self.rdt_rcv, new_socket, rcvpkt)
rcvthread.start()
while True:
# print("running,rcvpkt is what?")
# print("The answer: ", rcvpkt)
#print(rcvpkt)
if not len(rcvpkt) == 0:
rcvpkt = rcvpkt[0]
if self.corrupt(rcvpkt):
print("Corrupt!")
unseq = 0 if seq == 1 else 1
sndpkt = self.make_pkt('ACK' + str(unseq), True, seq)
self.udt_send(new_socket,sndpkt)
rcvpkt = []
rcvthread = runScriptThread(self.rdt_rcv, new_socket, rcvpkt)
rcvthread.start()
continue
if self.notcorrupt(rcvpkt) and not int(rcvpkt.seqnum) == int(seq):
print(rcvpkt.seqnum,'not',seq)
print("Sequence number wrong!")
unseq = 0 if seq == 1 else 1
sndpkt = self.make_pkt('ACK' + str(unseq), True, seq)
self.udt_send(new_socket, sndpkt)
rcvpkt = []
rcvthread = runScriptThread(self.rdt_rcv, new_socket, rcvpkt)
rcvthread.start()
continue
elif self.notcorrupt(rcvpkt) and int(rcvpkt.seqnum) == int(seq):
print("Data Accepted")
data = self.extract(rcvpkt)
p = re.compile('--')
xtmp = p.split(data)
if len(xtmp) == 1:
data,filename = xtmp[0] , 'test.txt'
elif len(xtmp) == 2:
data,filename = xtmp[0] , xtmp[1]
else:
print("Split Error")
filename = 'err.txt'
self.deliver_data(data,filename)
global double
if not double:
sndpkt = self.make_pkt('ACK' + str(seq), True, seq)
else:
sndmsg = input('message:')
sndpkt = self.make_pkt('ACK' + str(seq) + sndmsg, True, seq)
self.udt_send(new_socket, sndpkt)
break
else:
print("Unexpected error.")
seq = 0 if seq == 1 else 0
def rdt_send_3(self, new_socket):
queue = []
seq = 0
inputthread = runScriptThread(self.userinput, queue)
inputthread.start()
while True:
while True:
lock = threading.Lock()
time.sleep(1)
lock.acquire()
if len(queue) != 0:
lock.release()
break
lock.release()
lock = threading.Lock()
lock.acquire()
data = queue[0]
queue.remove(queue[0])
lock.release()
sndpkt = self.make_pkt(data, True, seq)
self.udt_send(new_socket, sndpkt)
print("Start timer")
atimer = timer()
atimer.starttimer(3)
rcvpkt = []
rcvthread = runScriptThread(self.rdt_rcv, new_socket, rcvpkt)
rcvthread.start()
while True:
print("iteration")
if not len(rcvpkt) == 0:
rcvpkt = rcvpkt[0]
unseq = 0 if seq == 1 else 1
if self.corrupt(rcvpkt) or self.isack(rcvpkt, unseq):
rcvpkt = []
rcvthread = runScriptThread(self.rdt_rcv, new_socket,
rcvpkt)
rcvthread.start()
continue
else:
break
if atimer.isTimeOut():
self.udt_send(new_socket, sndpkt)
atimer = timer()
atimer.starttimer(10)
continue
print(rcvpkt)
print(rcvpkt.data)
if seq == 0:
seq = 1
else:
seq = 0
def rdt_rcv_3(self, new_socket):
queue = []
seq = 0
while True:
print("Into the loop")
rcvpkt = []
rcvthread = runScriptThread(self.rdt_rcv, new_socket, rcvpkt)
rcvthread.start()
while True:
# print("running,rcvpkt is what?")
# print("The answer: ", rcvpkt)
print(rcvpkt)
if not len(rcvpkt) == 0:
print("Iter")
rcvpkt = rcvpkt[0]
if self.corrupt(rcvpkt):
print("Corrupt!")
unseq = 0 if seq == 1 else 1
sndpkt = self.make_pkt('ACK' + str(unseq), True, seq)
self.udt_send(new_socket, sndpkt)
rcvpkt = []
rcvthread = runScriptThread(self.rdt_rcv, new_socket,
rcvpkt)
rcvthread.start()
continue
if self.notcorrupt(rcvpkt) and not int(
rcvpkt.seqnum) == int(seq):
print(rcvpkt.seqnum, 'not', seq)
print("Sequence number wrong!")
unseq = 0 if seq == 1 else 1
sndpkt = self.make_pkt('ACK' + str(unseq), True, seq)
self.udt_send(new_socket, sndpkt)
rcvpkt = []
rcvthread = runScriptThread(self.rdt_rcv, new_socket,
rcvpkt)
rcvthread.start()
continue
elif self.notcorrupt(rcvpkt) and int(
rcvpkt.seqnum) == int(seq):
print("Data Accepted")
data = self.extract(rcvpkt)
self.deliver_data(data, 'test.txt')
sndpkt = self.make_pkt('ACK' + str(seq), True, seq)
self.udt_send(new_socket, sndpkt)
break
else:
print()
seq = 0 if seq == 1 else 0
def GBN_send(self, newsocket, window_size=10):
queue = EventQueue()
window = Window(self, queue, 10)
rcvthread = runScriptThread(self.recv_thread_fun, window)
with open('a.txt', 'r') as f:
filestring = f.read()
messages = filestring.split('\n')
while True:
for msg in messages:
success = False
while not success:
success = window.send(msg)
time.sleep(1)
return True
def recv(self, msg):
if self.server.notcorrupt(msg):
print("Receive ACK " + str(msg.seqnum) + ' successfully')
self.base = int(msg.seqnum) + 1
if self.base == self.nextseqnum:
self.timer.stoptimer()
else:
self.starttimer()
def timeoutfun(self, window):
base = window.base
nextseqnum = window.nextseqnum
window.starttimer()
for i in range(base, nextseqnum):
window.server.udt_send(window.server.new_socket, window.sndpkt[i])
time.sleep(1)
isserver = True
if isserver:
server = MyServer('127.0.0.1', 10005)
serverthread = runScriptThread(server.mainloop)
serverthread.start()
#serverthread.join()
else:
client = MyClient('127.0.0.1', 10006)
clientthread = runScriptThread(client.mainloop)
clientthread.start()
#clientthread.join()
def starttimer(self, count_time: int):
timethread = runScriptThread(self.timerfunc, count_time,
self.timechecker)
timethread.start()
self.timethread = timethread
