Checkpoint for work on getting reasons for connection failure back up to the UI.

wicd/gui.py

@@ -295,7 +295,8 @@ class appGui(object):
                         'org.wicd.daemon.wireless')
         bus.add_signal_receiver(self.update_connect_buttons, 'StatusChanged',
                         'org.wicd.daemon')
-        if standalone:
+        bus.add_signal_receiver(self.handle_connection_results,
+                                'ConnectResultsSent', 'org.wicd.daemon')
         bus.add_signal_receiver(handle_no_dbus, "DaemonClosing", 
                                 "org.wicd.daemon")
         bus.add_signal_receiver(lambda: setup_dbus(force=False), 
@@ -307,6 +308,10 @@ class appGui(object):
             
         self.refresh_clicked()
         
+    def handle_connection_results(self, results):
+        if results != "Success" and self.is_visible:
+            error(self.window, results, block=False)
+
     def create_adhoc_network(self, widget=None):
         """ Shows a dialog that creates a new adhoc network. """
         print "Starting the Ad-Hoc Network Creation Process..."

wicd/monitor.py

@@ -147,6 +147,8 @@ class ConnectionStatus(object):
                 self.update_state(state)
                 return True
             
+            daemon.SendConnectResultsIfAvail()
+                
             # Check for wired.
             wired_ip = wired.GetWiredIP("")
             wired_found = self.check_for_wired_connection(wired_ip)

wicd/networking.py

@@ -57,6 +57,22 @@ if __name__ == '__main__':
 BACKEND = None
 BACKEND_MGR = BackendManager()
 
+def abortable(func):
+    """ Mark a method in a ConnectionThread as abortable. 
+    
+    This decorator runs a check that will abort the connection thread
+    if necessary before running a given method.
+    
+    """
+    def wrapper(self, *__args, **__kargs):
+        self.abort_if_needed()
+        return func(self, *__args, **__kargs)
+    
+    wrapper.__name__ = func.__name__
+    wrapper.__dict__ = func.__dict__
+    wrapper.__doc__ = func.__doc__
+    return wrapper
+
 def get_backend_list():
     if BACKEND_MGR:
         return BACKEND_MGR.get_available_backends()
@@ -96,6 +112,7 @@ class Controller(object):
         self.driver = None
         self.wiface = None
         self.liface = None
+        self.iface = None
         self.backend_manager = BackendManager()
         
     def set_wireless_iface(self, value):
@@ -156,6 +173,9 @@ class Controller(object):
         else:
             return True
         
+    def StopDHCP(self):
+        return self.iface.StopDHCP()
+
 
 class ConnectThread(threading.Thread):
     """ A class to perform network connections in a multi-threaded way.
@@ -194,12 +214,13 @@ class ConnectThread(threading.Thread):
         self.wired_interface = wired
         self.is_connecting = False
         self.is_aborted = False
-        self.abort_msg = None
+        self.connect_result = None
         self.before_script = before_script
         self.after_script = after_script
         self.disconnect_script = disconnect_script
         self._should_die = False
         self.abort_reason = ""
+        self.connect_result = ""
 
         self.global_dns_1 = gdns1
         self.global_dns_2 = gdns2
@@ -251,6 +272,7 @@ class ConnectThread(threading.Thread):
             self.lock.release()
         return message
     
+    @abortable
     def reset_ip_addresses(self, wiface, liface):
         """ Resets the IP addresses for both wired/wireless interfaces.
         
@@ -263,12 +285,14 @@ class ConnectThread(threading.Thread):
         wiface.SetAddress('0.0.0.0')
         liface.SetAddress('0.0.0.0')
     
+    @abortable
     def put_iface_down(self, iface):
         """ Puts the given interface down. """
         print 'Putting interface down'
         self.SetStatus('interface_down')
         iface.Down()
         
+    @abortable
     def run_script_if_needed(self, script, msg):
         """ Execute a given script if needed.
         
@@ -281,6 +305,7 @@ class ConnectThread(threading.Thread):
             print 'Executing %s script' % (msg)
             misc.ExecuteScript(script)
         
+    @abortable
     def flush_routes(self, wiface, liface):
         """ Flush the routes for both wired/wireless interfaces. """
         self.SetStatus('flushing_routing_table')
@@ -288,6 +313,7 @@ class ConnectThread(threading.Thread):
         wiface.FlushRoutes()
         liface.FlushRoutes()
         
+    @abortable
     def set_broadcast_address(self, iface):
         """ Set the broadcast address for the given interface. """
         if not self.network.get('broadcast') == None:
@@ -295,6 +321,7 @@ class ConnectThread(threading.Thread):
             print 'Setting the broadcast address...' + self.network['broadcast']
             iface.SetAddress(broadcast=self.network['broadcast'])
         
+    @abortable            
     def set_ip_address(self, iface):
         """ Set the IP address for the given interface. 
         
@@ -316,6 +343,7 @@ class ConnectThread(threading.Thread):
                 self.abort_connection(dhcp_status)
                 return
         
+    @abortable            
     def set_dns_addresses(self):
         """ Set the DNS address(es).
 
@@ -336,6 +364,20 @@ class ConnectThread(threading.Thread):
                                  self.network.get('dns3'),
                                  self.network.get('search_domain'))
 
+    @abortable        
+    def release_dhcp_clients(self, wiface, liface):
+        """ Release all running dhcp clients. """
+        print "Releasing DHCP leases..."
+        wiface.ReleaseDHCP()
+        liface.ReleaseDHCP()
+        
+    @abortable        
+    def stop_dhcp_clients(self, iface):
+        """ Stop and running DHCP clients, as well as wpa_supplicant. """
+        print 'Stopping wpa_supplicant and any DHCP clients'
+        iface.StopWPA()
+        BACKEND.StopDHCP()
+        
     def connect_aborted(self, reason):
         """ Sets the thread status to aborted in a thread-safe way.
         
@@ -347,7 +389,7 @@ class ConnectThread(threading.Thread):
             reason = self.abort_reason
         self.connecting_message = reason
         self.is_aborted = True
-        self.abort_msg = reason
+        self.connect_result = reason
         self.is_connecting = False
         print 'exiting connection thread'
         
@@ -356,18 +398,6 @@ class ConnectThread(threading.Thread):
         self.abort_reason = reason
         self.should_die = True
         
-    def release_dhcp_clients(self, wiface, liface):
-        """ Release all running dhcp clients. """
-        print "Releasing DHCP leases..."
-        wiface.ReleaseDHCP()
-        liface.ReleaseDHCP()
-        
-    def stop_dhcp_clients(self, iface):
-        """ Stop and running DHCP clients, as well as wpa_supplicant. """
-        print 'Stopping wpa_supplicant and any DHCP clients'
-        iface.StopWPA()
-        BACKEND.StopDHCP()
-        
     def abort_if_needed(self):
         """ Abort the thread is it has been requested. """
         self.lock.acquire()
@@ -378,6 +408,7 @@ class ConnectThread(threading.Thread):
         finally:
             self.lock.release()
         
+    @abortable            
     def put_iface_up(self, iface):
         """ Bring up given interface. """
         print 'Putting interface up...'
@@ -397,11 +428,15 @@ class Wireless(Controller):
         self._wpa_driver = value
         if self.wiface:
             self.SetWPADriver(value)
-    
     def get_wpa_driver(self): return self._wpa_driver
-    
     wpa_driver = property(get_wpa_driver, set_wpa_driver)
     
+    def set_iface(self, value):
+        self.wiface = value
+    def get_iface(self):
+        return self.wiface
+    iface = property(get_iface, set_iface)
+        
     def LoadBackend(self, backend):
         """ Load a given backend. 
 
@@ -542,6 +577,9 @@ class Wireless(Controller):
         """
         return self.wiface.IsUp()
     
+    def StopWPA(self):
+        return self.wiface.StopWPA()
+
     def CreateAdHocNetwork(self, essid, channel, ip, enctype, key,
             enc_used, ics):
         """ Create an ad-hoc wireless network.
@@ -632,6 +670,7 @@ class Wireless(Controller):
             misc.ExecuteScript(self.disconnect_script)
 
         wiface.ReleaseDHCP()
+        wiface.StopWPA()
         wiface.SetAddress('0.0.0.0')
         wiface.Down()
         wiface.Up()
@@ -699,17 +738,13 @@ class WirelessConnectThread(ConnectThread):
         self.is_connecting = True
         
         # Run pre-connection script.
-        self.abort_if_needed()
         self.run_script_if_needed(self.before_script, 'pre-connection')
-        self.abort_if_needed()
         
         # Take down interface and clean up previous connections.
         self.put_iface_down(wiface)
-        self.abort_if_needed()
         self.release_dhcp_clients(wiface, liface)
         self.reset_ip_addresses(wiface, liface)
         self.stop_dhcp_clients(wiface)
-        self.abort_if_needed()
         self.flush_routes(wiface, liface)
 
         # Generate PSK and authenticate if needed.
@@ -717,10 +752,8 @@ class WirelessConnectThread(ConnectThread):
             self.generate_psk_and_authenticate(wiface)
 
         # Put interface up.
-        self.abort_if_needed()
         self.SetStatus('configuring_interface')
         self.put_iface_up(wiface)
-        self.abort_if_needed()
         
         # Associate.
         wiface.SetMode(self.network['mode'])
@@ -737,24 +770,23 @@ class WirelessConnectThread(ConnectThread):
             self.SetStatus('validating_authentication')
             if not wiface.ValidateAuthentication(time.time()):
                 self.abort_connection('bad_pass')
-        self.abort_if_needed()
 
         # Set up gateway, IP address, and DNS servers.
         self.set_broadcast_address(wiface)
-        self.abort_if_needed()
         self.set_ip_address(wiface)
         self.set_dns_addresses()
         
         # Run post-connection script.
-        self.abort_if_needed()
         self.run_script_if_needed(self.after_script, 'post-connection')
 
         self.SetStatus('done')
         print 'Connecting thread exiting.'
         if self.debug:
             print "IP Address is: " + str(wiface.GetIP())
+        self.connect_result = "Success"
         self.is_connecting = False
         
+    @abortable    
     def generate_psk_and_authenticate(self, wiface):
         """ Generates a PSK and authenticates if necessary. 
         
@@ -799,6 +831,12 @@ class Wired(Controller):
     def get_link_detect(self): return self._link_detect
     link_detect = property(get_link_detect, set_link_detect)
     
+    def set_iface(self, value):
+        self.liface = value
+    def get_iface(self):
+        return self.liface
+    iface = property(get_iface, set_iface)
+    
     def LoadBackend(self, backend):
         """ Load the backend up. """
         Controller.LoadBackend(self, backend)
@@ -831,7 +869,7 @@ class Wired(Controller):
             self.wiface, self.liface, debug)
         self.connecting_thread.setDaemon(True)
         self.connecting_thread.start()
-        return True
+        return self.connecting_thread
     
     def DetectWiredInterface(self):
         """ Attempts to automatically detect a wired interface. """
@@ -937,28 +975,22 @@ class WiredConnectThread(ConnectThread):
         self.is_connecting = True
 
         # Run pre-connection script.
-        self.abort_if_needed()
         self.run_script_if_needed(self.before_script, 'pre-connection')
-        self.abort_if_needed()
         
         # Take down interface and clean up previous connections.
         self.put_iface_down(liface)
         self.release_dhcp_clients(wiface, liface)
         self.reset_ip_addresses(wiface, liface)
         self.stop_dhcp_clients(wiface)
-        self.abort_if_needed()
         self.flush_routes(wiface, liface)
         
         # Bring up interface.
         self.put_iface_up(liface)
-        self.abort_if_needed()
         
         # Set gateway, IP adresses, and DNS servers.
         self.set_broadcast_address(liface)
-        self.abort_if_needed()
         self.set_ip_address(liface)
         self.set_dns_addresses()
-        self.abort_if_needed()
         
         # Run post-connection script.
         self.run_script_if_needed(self.after_script, 'post-connection')
@@ -967,4 +999,6 @@ class WiredConnectThread(ConnectThread):
         print 'Connecting thread exiting.'
         if self.debug:
             print "IP Address is: " + str(liface.GetIP())
+        
+        self.connect_result = "Success"
         self.is_connecting = False

wicd/wicd-daemon.py

@@ -83,8 +83,9 @@ class WicdDaemon(dbus.service.Object):
         self.wired = networking.Wired()
         self.config = ConfigManager(os.path.join(wpath.etc,
                                                  "manager-settings.conf"))
-        self.wired_bus= WiredDaemon(bus_name, wired=self.wired, wifi=self.wifi)
+        self.wired_bus= WiredDaemon(bus_name, self, wired=self.wired,
-        self.wireless_bus = WirelessDaemon(bus_name, wired=self.wired, 
+                                    wifi=self.wifi)
+        self.wireless_bus = WirelessDaemon(bus_name, self, wired=self.wired, 
                                            wifi=self.wifi)
         self.forced_disconnect = False
         self.need_profile_chooser = False
@@ -321,8 +322,6 @@ class WicdDaemon(dbus.service.Object):
     def GetAutoReconnect(self):
         """ Returns the value of self.auto_reconnect. See SetAutoReconnect. """
         do = bool(self.auto_reconnect)
-        return self.__printReturn('returning automatically reconnect when ' \
-                                   + 'connection drops', do)
 
     @dbus.service.method('org.wicd.daemon')
     def SetAutoReconnect(self, value):
@@ -358,9 +357,12 @@ class WicdDaemon(dbus.service.Object):
         print 'canceling connection attempt'
         if self.wifi.connecting_thread:
             self.wifi.connecting_thread.should_die = True
+            self.wifi.StopDHCP()
+            self.wifi.StopWPA()
         if self.wired.connecting_thread:
             self.wired.connecting_thread.should_die = True
-        misc.Run("killall dhclient dhclient3 wpa_supplicant")
+            self.wired.StopDHCP()
+        #misc.Run("killall dhclient pump dhcpcd-bin dhclient3 wpa_supplicant")
     
     @dbus.service.method('org.wicd.daemon')
     def GetCurrentInterface(self):
@@ -700,6 +702,32 @@ class WicdDaemon(dbus.service.Object):
         self.auto_connecting = False
         return False
         
+    @dbus.service.method("org.wicd.daemon")
+    def ConnectResultsAvailable(self):
+        if ((self.wired.connecting_thread and self.wired.connecting_thread.connect_result) or 
+            (self.wifi.connecting_thread and self.wifi.connecting_thread.connect_result)):
+            return True
+        else:
+            return False
+        
+    @dbus.service.method("org.wicd.daemon")
+    def SendConnectResultsIfAvail(self):
+        if self.ConnectResultsAvailable():
+            self.SendConnectResult()
+    
+    @dbus.service.method("org.wicd.daemon")
+    def SendConnectResult(self):
+        if self.wired.connecting_thread and self.wired.connecting_thread.connect_result:
+            self.ConnectResultsSent(self.wired.connecting_thread.connect_result)
+            self.wired.connecting_thread.connect_result = ""
+        elif self.wifi.connecting_thread and self.wifi.connecting_thread.connect_result:
+            self.ConnectResultsSent(self.wifi.connecting_thread.connect_result)
+            self.wifi.connecting_thread.connect_result = ""
+    
+    @dbus.service.signal(dbus_interface="org.wicd.daemon",signature='s')
+    def ConnectResultsSent(self, result):
+        print "Sending connectiong attempt result %s" % result
+        
     @dbus.service.signal(dbus_interface='org.wicd.daemon', signature='')
     def LaunchChooser(self):
         """ Emits the wired profile chooser dbus signal. """
@@ -731,12 +759,6 @@ class WicdDaemon(dbus.service.Object):
         """
         pass
     
-    def __printReturn(self, text, value):
-        """ Prints the specified text and value, then returns the value. """
-        if self.debug_mode:
-            print ''.join([text, " ", str(value)])
-        return value
-    
     def ReadConfig(self):
         """ Reads the manager-settings.conf file.
         
@@ -823,11 +845,12 @@ class WicdDaemon(dbus.service.Object):
  
 class WirelessDaemon(dbus.service.Object):
     """ DBus interface for wireless connection operations. """
-    def __init__(self, bus_name, wired=None, wifi=None, debug=False):
+    def __init__(self, bus_name, daemon, wired=None, wifi=None, debug=False):
         """ Intitialize the wireless DBus interface. """
         dbus.service.Object.__init__(self, bus_name=bus_name,
                                      object_path='/org/wicd/daemon/wireless')
         self.hidden_essid = None
+        self.daemon = daemon
         self.wired = wired
         self.wifi = wifi
         self.debug_mode = debug
@@ -1012,7 +1035,7 @@ class WirelessDaemon(dbus.service.Object):
         self.wifi.disconnect_script = self.GetWirelessProperty(id,
                                                             'disconnectscript')
         print 'Connecting to wireless network ' + self.LastScan[id]['essid']
-        return self.wifi.Connect(self.LastScan[id], debug=self.debug_mode)
+        conthread = self.wifi.Connect(self.LastScan[id], debug=self.debug_mode)
 
     @dbus.service.method('org.wicd.daemon.wireless')
     def CheckIfWirelessConnecting(self):
@@ -1174,10 +1197,11 @@ class WirelessDaemon(dbus.service.Object):
         
 class WiredDaemon(dbus.service.Object):
     """ DBus interface for wired connection operations. """
-    def __init__(self, bus_name, wired=None, wifi=None, debug=False):
+    def __init__(self, bus_name, daemon, wired=None, wifi=None, debug=False):
         """ Intitialize the wireless DBus interface. """
         dbus.service.Object.__init__(self, bus_name=bus_name,
                                      object_path="/org/wicd/daemon/wired")
+        self.daemon = daemon
         self.wired = wired
         self.wifi = wifi
         self.debug_mode = debug
@@ -1587,4 +1611,5 @@ if __name__ == '__main__':
         print ("Root privileges are required for the daemon to run properly." +
                "  Exiting.")
         sys.exit(1)
+    gobject.threads_init()
     main(sys.argv)