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# -*- coding: utf-8 -*-
#!/usr/bin/python -tt
#
# Copyright 2009 - 2012 David Sommerseth <davids@redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# For the avoidance of doubt the "preferred form" of this code is one which
# is in an open unpatent encumbered format. Where cryptographic key signing
# forms part of the process of creating an executable the information
# including keys needed to generate an equivalently functional executable
# are deemed to be part of the source code.
#
import ethtool, libxml2
class NetworkInfo(object):
def __init__(self):
pass
def net_GetDefaultGW(self):
# Get the interface name for the IPv4 default gw
route = open('/proc/net/route')
defgw4 = None
if route:
rl = route.readline()
while rl != '' :
rl = route.readline()
splt = rl.split("\t")
# Only catch default route
if len(splt) > 2 and splt[2] != '00000000' and splt[1] == '00000000':
defgw4 = splt[0]
break
route.close()
return (defgw4, None) # IPv6 gw not yet implemented
def MakeReport(self):
ncfg_n = libxml2.newNode("NetworkConfig")
(defgw4, defgw6) = self.net_GetDefaultGW()
# Make an interface tag for each device found
if hasattr(ethtool, 'get_interfaces_info'):
# Using the newer python-ethtool API (version >= 0.4)
for dev in ethtool.get_interfaces_info(ethtool.get_devices()):
if cmp(dev.device,'lo') == 0:
continue
intf_n = libxml2.newNode('interface')
intf_n.newProp('device', dev.device)
intf_n.newProp('hwaddr', dev.mac_address)
ncfg_n.addChild(intf_n)
# Protcol configurations
if dev.ipv4_address:
ipv4_n = libxml2.newNode('IPv4')
ipv4_n.newProp('ipaddr', dev.ipv4_address)
ipv4_n.newProp('netmask', str(dev.ipv4_netmask))
ipv4_n.newProp('broadcast', dev.ipv4_broadcast)
ipv4_n.newProp('defaultgw', (defgw4 == dev.device) and '1' or '0')
intf_n.addChild(ipv4_n)
for ip6 in dev.get_ipv6_addresses():
ipv6_n = libxml2.newNode('IPv6')
ipv6_n.newProp('ipaddr', ip6.address)
ipv6_n.newProp('netmask', str(ip6.netmask))
ipv6_n.newProp('scope', ip6.scope)
intf_n.addChild(ipv6_n)
else: # Fall back to older python-ethtool API (version < 0.4)
ifdevs = ethtool.get_active_devices()
ifdevs.remove('lo')
ifdevs.sort()
for dev in ifdevs:
intf_n = libxml2.newNode('interface')
intf_n.newProp('device', dev.device)
intf_n.newProp('hwaddr', dev.mac_address)
ncfg_n.addChild(intf_n)
ipv4_n = libxml2.newNode('IPv4')
ipv4_n.newProp('ipaddr', ethtool.get_ipaddr(dev))
ipv4_n.newProp('netmask', str(ethtool.get_netmask(dev)))
ipv4_n.newProp('defaultgw', (defgw4 == dev) and '1' or '0')
intf_n.addChild(ipv4_n)
return ncfg_n
def unit_test(rootdir):
import sys
try:
net = NetworkInfo()
doc = libxml2.newDoc('1.0')
cfg = net.MakeReport()
doc.setRootElement(cfg)
doc.saveFormatFileEnc('-', 'UTF-8', 1)
except Exception, e:
import traceback
traceback.print_exc(file=sys.stdout)
print "** EXCEPTION %s", str(e)
return 1
if __name__ == '__main__':
unit_test(None)
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