def goAhead(self, name):
self.login.destroy()
self.layout(name)
nick = name
client.send(encode(10, nick))
# the thread to receive messages
rcv = threading.Thread(target=self.receive)
rcv.start()
def start_tcp_client():
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as TCPClientSocket:
TCPClientSocket.connect((ip, tcp_port))
while True:
print(f"TCP: Sending packets with message width of {s} bytes")
success = 0
for i in range(n):
message = str(time.time()) * 100
message = message[::-1]
message = message[:s]
TCPClientSocket.sendall(encode(20, body=message))
data = TCPClientSocket.recv(1024)
if data:
success += 1
success_percentage = success / n * 100
tcp_x_axis.append(time.time() - start_time)
tcp_y_axis.append(success_percentage)
def client_server_loop(message):
# A function that performs a message round trip (client side)
# Client --------------- Server
# 1) send(msg) --------------> recv(msg)
# 2) recv(msg) <-------------- send(msg)
UDPClientSocket.sendto(encode(20, body=message), (ip, udp_port))
try:
msgFromServer = UDPClientSocket.recvfrom(buffer_size)
if verify(msgFromServer[0]):
return 1
else:
print("UDP: packet altered")
time.sleep(0.15)
except socket.timeout:
print("UDP: packet dropped")
return 0 #will be returned if packet is dropped or altered
def start_udp_client():
global UDPClientSocket
UDPClientSocket = socket.socket(family=socket.AF_INET,
type=socket.SOCK_DGRAM)
UDPClientSocket.settimeout(0.75)
while True:
UDPClientSocket.sendto(encode(10, "udptest"), (ip, udp_port))
print(f"UDP: Sending packets with message width of {s} bytes")
success = 0
for i in range(n):
message = str(time.time()) * 100
message = message[::-1]
message = message[:s]
success += client_server_loop(message)
success_percentage = success / n * 100
udp_x_axis.append(time.time() - start_time)
udp_y_axis.append(success_percentage)
def sendMessage(self):
self.textCons.config(state=DISABLED)
while True:
message = (f"{self.name}: {self.msg}")
client.send(encode(20, nick, body=message))
break