class InterfaceManager(object):
def __init__(self, status_change_callback=print_data):
''' Creates a new InterfaceManager object. '''
self._interfaces = {}
path = wpath.etc + "interfaces.conf"
self.config_manager = ConfigManager(path)
self.backend_manager = BackendManager()
self.backend_manager.load_all_available_backends()
self.status_change_callback = status_change_callback
def add(self, interface):
''' Adds interface to the dictionary of interfaces. '''
self._interfaces[interface.interface_name] = interface
def create(self, type, interface_name):
''' Creates the interface, if possible. If interface exists, returns. '''
if not self.exists(interface_name):
type_class = self.backend_manager.get_backend_by_type(type)
new_interface = type_class(interface_name, self.status_change_callback)
self.add(new_interface)
print 'new interface: %s' % new_interface.interface_name
else:
print 'interface already exists: %s' % interface_name
def get(self, interface_name):
''' Gets a single interface object. '''
return self._interfaces.get(interface_name)
def exists(self, interface_name):
''' Returns True if the specified interface exists, otherwise False. '''
return bool(self._interfaces.get(interface_name))
def load(self):
""" Loads the saved interface configuration. """
sections = self.config_manager.sections()
for section in sections:
interface_name = section
type = self.config_manager.get_option(section, 'type')
try:
self.create(type, interface_name)
except baseinterface.BaseInterface.CannotCreateInterfaceException:
print 'error creating interface %s' % interface_name
print 'skipping interface %s' % interface_name
else:
interface = self.get(interface_name)
for k, v in self.config_manager.items(section):
setattr(interface, k, v)
def save(self):
""" Saves the current interface configuration. """
self.config_manager.clear_all()
for interface_name in self.get_all():
interface = self.get(interface_name)
interface.do_save()
settings = interface.dump_settings_to_dictionary()
for k, v in settings.iteritems():
self.config_manager.set_option(interface_name, k, v)
self.config_manager.write()
def get_all(self):
''' Returns the interface dictionary. '''
return self._interfaces
def get_all_names(self):
''' Returns the names of all the interfaces. '''
interfaces = self.get_all()
names = [ value.interface_name for key, value in interfaces.iteritems() ]
return names
from backend import BackendManager
import logging
logging.debug( 'Initalizing backend manager...')
bm = BackendManager()
logging.debug( 'Loading all available backends...')
bm.load_all_available_backends()
logging.debug( 'Listing loaded backends...')
bends = bm.get_loaded_backends()
for type, backend in bends.iteritems():
logging.debug( type, backend.find_available_interfaces())
