1 #!/usr/bin/env python 2 3 import os,time 4 import array,fcntl,struct,socket 5 6 def check_net(): 7 ifname = "eth1" 8 buff = array.array('i', [0x0000000a, 0x00000000]) 9 addr, length = buff.buffer_info() 10 arg = struct.pack("Pi", addr, length) 11 data = (ifname + ' '*16)[:16] + arg 12 sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) 13 SIOCETHTOOL = 0x8946 14 try: 15 fcntl.ioctl(sock.fileno(), SIOCETHTOOL, data) 16 except IOError, e: 17 print "check eth1 lined failed , and error is ",str(e) 18 sock.close() 19 return False 20 sock.close() 21 return bool(buff.tolist()[1])
转源于：http://blog.sina.com.cn/s/blog_a04184c101010kri.html