根据 设备名(br0/eth0/em0)称获取 当前机器的IP地址与子网掩码信息

#!/usr/bin/env python

'''
根据 设备名(br0/eth0/em0)称获取 当前机器的IP地址与子网掩码信息
'''

import socket, struct, fcntl

def get_ipaddress(ifname = 'eth0'):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
return socket.inet_ntoa(fcntl.ioctl(
s.fileno(),
0x8915, # SIOCGIFADDR
struct.pack('24s',ifname))[20:24])

def get_netmask(ifname = 'eth0'):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
return socket.inet_ntoa(fcntl.ioctl(
s.fileno(),
0x891b, #SIOCGIFNETMASK
struct.pack('24s',ifname))[20:24])

print get_ipaddress('eth0')
print get_netmask('eth0')