尊龙凯时人生就是搏

ÆÊÎö Linux linkwatch Àú³ÌµÄ×÷ÓúÍÔËÐлúÖÆ

Linux linkwatch Àú³ÌµÄ×÷ÓúÍÔËÐлúÖÆ

ÔÚLinuxϵͳÖУ¬linkwatch Àú³ÌÊÇÒ»¸öÈÏÕæ¼à²âÍøÂçÅþÁ¬×´Ì¬µÄÊØ»¤Àú³Ì£¬ÆäÖ÷Òª×÷ÓÃÊÇÔÚÍøÂç½Ó¿Ú״̬¸Ä±äʱ£¬¼´ÅþÁ¬»ò¶Ï¿ªÊ±¾ÙÐÐÏìÓ¦µÄ²Ù×÷¡£linkwatch Àú³Ìͨ¹ý¼àÌýÍøÂç½Ó¿Ú״̬ת±äÀ´ÊµÏÖ¶ÔÍøÂçÅþÁ¬µÄʵʱ¼à¿Ø£¬²¢Æ¾Ö¤×´Ì¬×ª±ä×ö³öÏìÓ¦µÄ´¦Àí¡£

linkwatch Àú³ÌµÄ×÷Óãº

¼à²âÍøÂçÅþÁ¬×´Ì¬£ºlinkwatch Àú³Ì»áÒ»Á¬¼àÌýÍøÂç½Ó¿ÚµÄ״̬ת±ä£¬°üÀ¨ÍøÂçÅþÁ¬µÄ½¨Éè¡¢¶Ï¿ªÒÔ¼°ÖØÐÂÅþÁ¬µÈÇéÐΡ£

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linkwatch Àú³ÌµÄÔËÐлúÖÆ£º

linkwatch Àú³Ìͨ¹ý¼àÌýÄÚºËµÄ Netlink socket ʵÏÖ¶ÔÍøÂç½Ó¿Ú״̬µÄʵʱ¼à¿Ø¡£µ±ÍøÂç½Ó¿Ú״̬±¬·¢×ª±äʱ£¬Äں˻ᷢËÍÏìÓ¦µÄ֪ͨÐÂÎŵ½ linkwatch Àú³Ì£¬Í¨Öª linkwatch Àú³ÌÓйØÅþÁ¬×ª±äµÄÏêϸÐÅÏ¢¡£linkwatch Àú³ÌÎüÊÕµ½Í¨Öªºó£¬±ãƾ֤ÏêϸµÄÊÂÎñÀàÐÍÖ´ÐÐÏìÓ¦µÄ²Ù×÷¡£

ÏÂÃæÊÇÒ»¸ö¼òÆÓµÄʾÀý´úÂ룬չʾÁËÔõÑùʹÓà Python ±àдһ¸öÄ£Äâ linkwatch Àú³ÌµÄ³ÌÐò£¬ÊµÏÖ¶ÔÍøÂç½Ó¿Ú״̬µÄ¼à¿Ø²¢Êä³ö״̬ÐÅÏ¢£º

import socket
import struct

# ½¨Éè Netlink socket£¬ÓÃÓÚÎüÊÕÄں˵Ä֪ͨ
sock = socket.socket(socket.AF_NETLINK, socket.SOCK_RAW, socket.NETLINK_ROUTE)
sock.bind((0, 0))

# ¼àÌýÍøÂç½Ó¿Ú״̬ת±ä
while True:
    data = sock.recv(65535)
    _, _, _, _, msg_type, flags, seq, pid = struct.unpack("=IHHHBBII", data[:20])

    if msg_type == 16:  # RTM_NEWLINK
        print("Network interface state changed: connected")
    elif msg_type == 17:  # RTM_DELLINK
        print("Network interface state changed: disconnected")

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