server
import socket
server = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
server.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
connects = []
server.bind(('', 9090))
while True:
back_msg, addr = server.recvfrom(1024)
if addr not in connects:
connects.append(addr)
print(back_msg.decode("utf-8"), addr, len(connects))
server.sendto("收到".encode('utf-8'), addr)
client
import socket
import time
client = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
client.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
while True:
client.sendto("我是设备1号".encode('utf-8'), ('<broadcast>', 9090))
# data, addr = client.recvfrom(1024)
# print("接收到数据{}:{}".format(addr,data.decode('utf-8')) )
time.sleep(2)
