mirror of
https://github.com/gryf/wicd.git
synced 2025-12-19 20:38:00 +01:00
04b67e9b2e
Removed some unnecessary print statements. Added checks to the daemon and configscript.py to make sure the user opening it is root. Fixed formatting problems in class definitions in wicd.py
258 lines
9.2 KiB
Python
Executable File
258 lines
9.2 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright (C) 2007 Adam Blackburn
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# Copyright (C) 2007 Dan O'Reilly
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License Version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import dbus
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import gobject
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import os
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import sys
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import wpath
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import misc
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if sys.platform == 'linux2':
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# Set process name. Only works on Linux >= 2.1.57.
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try:
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import dl
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libc = dl.open('/lib/libc.so.6')
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libc.call('prctl', 15, 'wicd-monitor\0', 0, 0, 0) # 15 is PR_SET_NAME
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except:
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pass
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if __name__ == '__main__':
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wpath.chdir(__file__)
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proxy_obj = dbus.SystemBus().get_object('org.wicd.daemon', '/org/wicd/daemon')
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daemon = dbus.Interface(proxy_obj, 'org.wicd.daemon')
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wired = dbus.Interface(proxy_obj, 'org.wicd.daemon.wired')
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wireless = dbus.Interface(proxy_obj, 'org.wicd.daemon.wireless')
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class ConnectionStatus():
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""" Class for monitoring the computer's connection status. """
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def __init__(self):
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""" Initialize variables needed for the connection status methods. """
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self.last_strength = -2
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self.displayed_strength = -1
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self.still_wired = False
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self.network = ''
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self.tried_reconnect = False
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self.connection_lost_counter = 0
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self.last_state = misc.NOT_CONNECTED
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self.reconnecting = False
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self.signal_changed = False
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def check_for_wired_connection(self, wired_ip):
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""" Checks for an active wired connection.
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Checks for and updates the tray icon for an active wired connection
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Returns True if wired connection is active, false if inactive.
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"""
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if wired_ip and wired.CheckPluggedIn():
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# Only change the interface if it's not already set for wired
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if not self.still_wired:
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daemon.SetCurrentInterface(daemon.GetWiredInterface())
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self.still_wired = True
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return True
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# Wired connection isn't active
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self.still_wired = False
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return False
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def check_for_wireless_connection(self, wireless_ip):
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""" Checks for an active wireless connection.
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Checks for and updates the tray icon for an active
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wireless connection. Returns True if wireless connection
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is active, and False otherwise.
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"""
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# Make sure we have an IP before we do anything else.
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if wireless_ip is None:
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return False
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# Reset this, just in case.
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self.tried_reconnect = False
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# Try getting signal strength, and default to 0
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# if something goes wrong.
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try:
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if daemon.GetSignalDisplayType() == 0:
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wifi_signal = int(wireless.GetCurrentSignalStrength(self.iwconfig))
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else:
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wifi_signal = int(wireless.GetCurrentDBMStrength(self.iwconfig))
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except:
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wifi_signal = 0
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if wifi_signal == 0:
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# If we have no signal, increment connection loss counter.
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# If we haven't gotten any signal 4 runs in a row (12 seconds),
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# try to reconnect.
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self.connection_lost_counter += 1
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print self.connection_lost_counter
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if self.connection_lost_counter >= 4:
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self.connection_lost_counter = 0
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return False
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else: # If we have a signal, reset the counter
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self.connection_lost_counter = 0
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# Only update if the signal strength has changed because doing I/O
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# calls is expensive, and the icon flickers.
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if (wifi_signal != self.last_strength or
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self.network != wireless.GetCurrentNetwork(self.iwconfig)):
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self.last_strength = wifi_signal
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self.signal_changed = True
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daemon.SetCurrentInterface(daemon.GetWirelessInterface())
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return True
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def update_connection_status(self):
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""" Updates the tray icon and current connection status.
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Determines the current connection state and sends a dbus signal
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announcing when the status changes. Also starts the automatic
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reconnection process if necessary.
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"""
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wired_ip = None
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wifi_ip = None
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if daemon.GetSuspend():
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print "Suspended."
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state = misc.SUSPENDED
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self.update_state(state)
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return True
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# Determine what our current state is.
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# Check for wired.
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wired_ip = wired.GetWiredIP()
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wired_found = self.check_for_wired_connection(wired_ip)
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if wired_found:
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self.update_state(misc.WIRED, wired_ip=wired_ip)
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return True
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# Check for wireless
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wifi_ip = wireless.GetWirelessIP()
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self.iwconfig = wireless.GetIwconfig()
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self.signal_changed = False
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wireless_found = self.check_for_wireless_connection(wifi_ip)
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if wireless_found:
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self.update_state(misc.WIRELESS, wifi_ip=wifi_ip)
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return True
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# Are we currently connecting?
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if daemon.CheckIfConnecting():
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state = misc.CONNECTING
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else: # No connection at all.
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state = misc.NOT_CONNECTED
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self.auto_reconnect()
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self.update_state(state)
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return True
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def update_state(self, state, wired_ip=None, wifi_ip=None):
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""" Set the current connection state. """
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# Set our connection state/info.
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if state == misc.NOT_CONNECTED:
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info = [""]
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elif state == misc.SUSPENDED:
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info = [""]
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elif state == misc.CONNECTING:
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if wired.CheckIfWiredConnecting():
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info = ["wired"]
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else:
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info = ["wireless", wireless.GetCurrentNetwork(self.iwconfig)]
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elif state == misc.WIRELESS:
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info = [wifi_ip, wireless.GetCurrentNetwork(self.iwconfig),
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str(wireless.GetPrintableSignalStrength(self.iwconfig)),
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str(wireless.GetCurrentNetworkID(self.iwconfig))]
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elif state == misc.WIRED:
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info = [wired_ip]
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else:
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print 'ERROR: Invalid state!'
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return True
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daemon.SetConnectionStatus(state, info)
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# Send a D-Bus signal announcing status has changed if necessary.
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if state != self.last_state or \
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(state == misc.WIRELESS and self.signal_changed):
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daemon.EmitStatusChanged(state, info)
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self.last_state = state
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return True
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def auto_reconnect(self):
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""" Automatically reconnects to a network if needed.
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If automatic reconnection is turned on, this method will
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attempt to first reconnect to the last used wireless network, and
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should that fail will simply run AutoConnect()
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"""
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if self.reconnecting:
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return
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self.reconnecting = True
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daemon.SetCurrentInterface('')
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print 'autoreconnect'
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if daemon.GetAutoReconnect() and not daemon.CheckIfConnecting() and \
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not daemon.GetForcedDisconnect() and not daemon.GetAutoConnecting():
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print 'Starting automatic reconnect process'
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# First try connecting through ethernet
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if wired.CheckPluggedIn():
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print "Wired connection available, trying to connect..."
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daemon.AutoConnect(False, reply_handler=reply_handle,
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error_handler=err_handle)
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self.reconnecting = False
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return
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# Next try the last wireless network we were connected to
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cur_net_id = wireless.GetCurrentNetworkID(self.iwconfig)
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if cur_net_id > -1: # Needs to be a valid network
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if not self.tried_reconnect:
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print 'Trying to reconnect to last used wireless \
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network'
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wireless.ConnectWireless(cur_net_id)
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self.tried_reconnect = True
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elif not wireless.CheckIfWirelessConnecting():
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print "Couldn't reconnect to last used network, \
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scanning for an autoconnect network..."
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daemon.AutoConnect(True, reply_handler=reply_handle,
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error_handler=err_handle)
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else:
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daemon.AutoConnect(True, reply_handler=reply_handle,
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error_handler=err_handle)
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self.reconnecting = False
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def reply_handle(r):
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pass
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def err_handle(e):
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pass
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def main():
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monitor = ConnectionStatus()
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gobject.timeout_add(3000, monitor.update_connection_status)
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mainloop = gobject.MainLoop()
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mainloop.run()
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if __name__ == '__main__':
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main()
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