1.udp客户端 2.使用子线程机制实现并行收发 3.消息接收和发送时,打印2332,打印源和目的地址信息
时间: 2024-05-03 18:20:13 浏览: 92
利用UDP协议实现信息的收发
好的,您的第一个问题是关于UDP客户端的实现,使用子线程机制实现并行收发消息,并在消息接收发送时打印源和目的地址信息。以下是一个实现该功能的示例程序:
```python
import socket
import threading
def receive_message(sock):
while True:
data, addr = sock.recvfrom(1024)
print("Received message from {}: {}".format(addr, data.decode()))
print("Source address: {}".format(addr[0]))
print("Destination address: {}".format(sock.getsockname()[0]))
print(2332)
def send_message(sock, server_address):
while True:
message = input("Type your message: ")
sock.sendto(message.encode(), server_address)
if __name__ == "__main__":
# create UDP socket
client_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
client_socket.bind(("0.0.0.0", 0)) # bind to any available port
# start receive thread
receive_thread = threading.Thread(target=receive_message, args=(client_socket,))
receive_thread.start()
# start send thread
server_address = ("localhost", 8000) # this is the destination server address
send_thread = threading.Thread(target=send_message, args=(client_socket, server_address))
send_thread.start()
# wait for threads to finish
receive_thread.join()
send_thread.join()
# close socket
client_socket.close()
```
这个程序创建一个UDP客户端,并使用两个线程实现并行收发消息。`receive_message`函数在一个循环中不断接收消息,并在打印消息内容后打印源和目的地址信息和2332。`send_message`函数接受用户输入的消息,并使用`sendto`方法将该消息发送到目标服务端地址。在`main`函数中,我们启动了两个线程分别调用`receive_message`和`send_message`函数,并等待它们执行完毕再关闭UDP socket。
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