python该如何实现广播，讲讲思路也行

Question

在网上找的都是p2p通信，求救该如何实现下列需求：三个节点（也就是三个ip地址），相互通信实现。

Answer 1

# udp_gb_server.py
'''服务端（UDP协议局域网广播）'''
import socket
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
PORT = 1060
network = '<broadcast>'
s.sendto('Client broadcast message!'.encode('utf-8'), (network, PORT))

# udp_gb_client.py
'''客户端（UDP协议局域网广播）'''
import socket
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
PORT = 1060
s.bind(('', PORT))
print('Listening for broadcast at ', s.getsockname())
while True:
    data, address = s.recvfrom(65535)
    print('Server received from {}:{}'.format(address, data.decode('utf-8')))