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Ïàʶ Linux linkwatch Àú³ÌµÄÊÂÇé»úÖƺ͹¦Ð§Ìصã

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linkwatch Àú³Ìͨ¹ý NETLINK_ROUTE Ì×½Ó×Ö¶©ÔĶÔÍøÂç½Ó¿Ú״̬ת±äµÄ֪ͨÐÂÎÅ¡£

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ÒÔÏÂΪһ¸ö¼òÆ Python ´úÂëʾÀý £¬Ä£Äâ linkwatch Àú³ÌÎüÊÕµ½ÍøÂç½Ó¿Ú״̬ת±äµÄ֪ͨÐÂÎŲ¢¾ÙÐд¦Öóͷ££º

import socket
import struct

def receive_linkwatch_notification():
    linkwatch_socket = socket.socket(socket.AF_NETLINK, socket.SOCK_RAW, socket.NETLINK_ROUTE)
    linkwatch_socket.bind((0, 0))

    while True:
        data = linkwatch_socket.recv(65535)
        msg_type, msg_len, flags, seq, pid = struct.unpack("=IHHII", data[:16])

        if msg_type == 16:  # RTM_NEWLINK or RTM_DELLINK
            print("Received link status change notification.")
            # Handle the link status change here...

if __name__ == "__main__":
    receive_linkwatch_notification()

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