60 lines
2.9 KiB
Python
60 lines
2.9 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# 功能：
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# 通过NetworkManager刷新IP地址激活默认的网络连接
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# 存在的问题：
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# 1、许多64位Linux操作系统不支持DBus和NetworkManager，这种情况下本脚本将无法正常运行
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# 2、由于njit-client程序尚不支持无线网络，故此处已经跳过所有的无线网络配置
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#
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# 当前代码由刘群<liuqun68@gmail.com>负责维护
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# 欢迎您帮助我们改进这个Python脚本，来信请寄：
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# njit8201xclient@googlegroups.com
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# http://groups.google.com/group/njit8021xclient?hl=zh-CN
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import sys
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import dbus
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try:
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nm = dbus.SystemBus().get_object('org.freedesktop.NetworkManager',
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'/org/freedesktop/NetworkManager')
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except dbus.exceptions.DBusException, errmsg:
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sys.stderr.write(__file__ + ': Unable to find NetworkManager daemon from DBus: ' + errmsg)
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sys.exit(0xFF)
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def GetProperty(property_name, object, interface_name):
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"""Get property of a dbus object through a dbus interface"""
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return dbus.Interface(object, 'org.freedesktop.DBus.Properties').Get(interface_name, property_name)
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active_connections = GetProperty('ActiveConnections', nm, 'org.freedesktop.NetworkManager')
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if active_connections == []:
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sys.stderr.write(__file__ + ': Unable to find any NetworkManager configurations!')
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sys.exit(0xFF)
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class ActiveConnectionInfo:
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pass
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for connection_opath in active_connections:
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ac = ActiveConnectionInfo()
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ac.obj = dbus.SystemBus().get_object('org.freedesktop.NetworkManager', connection_opath)
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ac.service = GetProperty('ServiceName', ac.obj, 'org.freedesktop.NetworkManager.Connection.Active')
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ac.connection = GetProperty('Connection', ac.obj, 'org.freedesktop.NetworkManager.Connection.Active')
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ac.devices = GetProperty('Devices', ac.obj, 'org.freedesktop.NetworkManager.Connection.Active')
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ac.spec = GetProperty('SpecificObject', ac.obj, 'org.freedesktop.NetworkManager.Connection.Active')
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nm_setting_service = dbus.SystemBus().get_object(ac.service, ac.connection)
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ac.settings = dbus.Interface(nm_setting_service, 'org.freedesktop.NetworkManagerSettings.Connection').GetSettings()
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if ac.settings['connection']['type'] == '802-3-ethernet': # 只找出有线以太网连接连接（因njit-client尚不支持无线）
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for dev in ac.devices:
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print __file__ + ': Activating network connection and refreshing IP address...'
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print __file__ + ': Using NetworkManager configuration "' + ac.settings['connection']['id'] + '".'
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try:
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dbus.Interface(nm,'org.freedesktop.NetworkManager').ActivateConnection(ac.service, ac.connection, dev, ac.spec)
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sys.exit(0) # 正常退出
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except dbus.exceptions.DBusException, errmsg:
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sys.stderr.write(__file__ + ': Failed to activate "' + ac.settings['connection']['id'] + '": ' + errmsg)
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sys.stderr.write(__file__ + ': Unable to find any wired network connections. Check your cables maybe?')
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