1,使用socket套接字利用udp在python环境下实现简单的半双工通信
import socket
def recv(udp_socket):
message = udp_socket.recvfrom(1024)
print(message[0].decode('utf-8'))
def send(udp_socket):
temp = input('请输入发送内容')
udp_socket.sendto(temp.encode('utf-8'),('',8881))
def main():
udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
address = ('', 8880)
udp_socket.bind(address)
while True:
print('''
1:发送消息
2:接收消息
3:退出''')
command = input('请输入操作命令:')
if command == '1':
send(udp_socket)
elif command == '2':
recv(udp_socket)
elif command == '3':
break
udp_socket.close()
if __name__ == '__main__':
main()
2,使用socket套接字利用udp在python环境下实现简单的全双工通信
import socket
import threading
def recv_msg(udp_socket):
"""接收数据并显示"""
while True:
recv_data = udp_socket.recvfrom(1024)
print(recv_data)
def send_msg(udp_socket, dest_ip, dest_port):
"""发送数据"""
while True:
send_data = input("输入要发送的数据:")
udp_socket.sendto(send_data.encode("utf-8"), (dest_ip, dest_port))
def main():
"""完成udp聊天器的整体控制"""
udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
udp_socket.bind(("", 7890))
dest_ip = input("请输入对方的ip:")
dest_port = int(input("请输入对方的port:"))
t_recv = threading.Thread(target=recv_msg, args=(udp_socket,))
t_send = threading.Thread(target=send_msg, args=(udp_socket, dest_ip, dest_port))
t_recv.start()
t_send.start()
if __name__ == "__main__":
main()