In line 124, since you write
while True:
...
if front == rcvd_ack.ack_num:
break;The if statement means the receiver haven't receive the packet with first byte number of ack_num.
However, if the ack_num is not in the window since it always ack the next byte, maybe it will raise an Index Error
In line 124, since you write
The
ifstatement means the receiver haven't receive the packet with first byte number of ack_num.However, if the ack_num is not in the window since it always ack the next byte, maybe it will raise an Index Error