def receiveFromSender():
while True:
print(15 * '-')
# Receive the frame from the sender
stored_frame = sockSenderReceive.recv(1024).decode()
print('Frame received from sender ' + stored_frame)
# Insert error and other stuffs here
# Send frame with a probability p
p = random.randint(0, probas)
if (p >= randSendF or
len(stored_frame) < 8): # Ending marker should always be sent
# Introduce error here with a probability
p2 = random.randint(0, probas)
if (p2 <= randErrF and len(stored_frame) >= 8):
print("Introducing error")
stored_frame = co.ins_error(stored_frame, [1])
# Send the frame to the receiver
print('Sending frame to receiver ' + stored_frame)
# Add sleep here
# time.sleep(7)
co.send_frame(stored_frame, receiverSend)
print('Sent frame ' + stored_frame)
if (stored_frame == '#'):
break
# Dont Send the frame
else:
print('Not sending frame')
print(15 * '-')
def receiveAckFromReceiver():
while True:
print(15 * '=')
# Wait ack from receiver
ack = sockReceiverReceive.recv(1024).decode()
print('Ack received from receiver ' + ack)
if (ack == '#'):
break
# Insert error and other stuffs here
# send the frame with a probability
p = random.randint(0, probas)
if (p >= randSendAck):
# Introduce error here with a probability
p2 = random.randint(0, probas)
if (p2 <= randErrAck):
print("Introducing error")
ack = co.ins_error(ack, [1])
print('Sending ack to sender ' + ack)
# Add sleep here
# time.sleep(7)
# Send the ack to the sender
co.send_frame(ack, senderSend)
else:
print('Not sending acknowledgement')
print(15 * '=')
print(15 * '-')
# Receive the frame from the sender
stored_frame = sockSenderReceive.recv(1024).decode()
print('Frame received from sender ' + stored_frame)
# Insert error and other stuffs here
# Send frame with a probability p
p = random.randint(0, probas)
print(p)
if (p >= randSendF
or len(stored_frame) < 8): # Ending marker should always be sent
# Introduce error here with a probability
p2 = random.randint(0, probas)
if (p2 <= randErrF and len(stored_frame) >= 8):
print("Introducing error")
stored_frame = co.ins_error(stored_frame, [1])
# Send the frame to the receiver
print('Sending frame to receiver ' + stored_frame)
# Add sleep here
time.sleep(2)
co.send_frame(stored_frame, receiverSend)
print('Sent frame ' + stored_frame)
# Dont Send the frame
else:
print('Not sending frame')
continue
try:
# Wait ack from receiver