def do_show_stored_network(self, arg):
"""
show_stored_network NUM.
Shows information about a previously used network.
It is needed to list_stored_networks first and use that numbers as a parameter
to this command.
"""
larg = arg.split()
if len(larg) >= 1:
nid = larg[0]
if hasattr(self, 'stored_networks'):
if nid in self.stored_networks:
print(util.deserialize_net_from_file(self.stored_networks[nid]))
else:
logger.error('The network {} is not in the list of stored networks'.format(nid))
else:
logger.error('You have to list stored networks first')
def do_connect_stored_network(self, arg):
"""
connect_stored_network NUM.
Try to connect to a wireless network that has been previously used.
It is necessary to list them first with list_stored_networks.
The parameter NUM must be one of the numbers on that list.
"""
larg = arg.split()
if len(larg) >= 1:
nid = larg[0]
if hasattr(self, 'stored_networks'):
if nid in self.stored_networks:
if not hasattr(self, 'c_manager'):
self.c_manager = c_manager.ConnectionManager(self.config)
net = util.deserialize_net_from_file(self.stored_networks[nid])
self.c_manager.connect(net, False)
else:
logger.error('The network {} is not in the list of stored networks'.format(nid))
else:
logger.error('You have to list stored networks first')
def test_serializer(self):
'''
This test checks:
* the serialization and storage of the network for later use. For each test network
we write to a file (pickle), and then we read from that file, checking that it
is identical to the original network
* several other auxiliary functions related with storage and retrieval of network
configuration files
'''
net_1_conf = self.cman.get_network_conf_file(self.net_1)
net_2_conf = self.cman.get_network_conf_file(self.net_2)
net_3_conf = self.cman.get_network_conf_file(self.net_3)
net_4_conf = self.cman.get_network_conf_file(self.net_4)
net_5_conf = self.cman.get_network_conf_file(self.net_5)
self.net_1_ser = util.build_net_serialization_filename(net_1_conf)
self.net_2_ser = util.build_net_serialization_filename(net_2_conf)
self.net_3_ser = util.build_net_serialization_filename(net_3_conf)
self.net_4_ser = util.build_net_serialization_filename(net_4_conf)
self.net_5_ser = util.build_net_serialization_filename(net_5_conf)
self.assertTrue(util.is_net_serialization_filename(self.net_1_ser))
self.assertTrue(util.is_net_serialization_filename(self.net_2_ser))
self.assertTrue(util.is_net_serialization_filename(self.net_3_ser))
self.assertTrue(util.is_net_serialization_filename(self.net_4_ser))
self.assertTrue(util.is_net_serialization_filename(self.net_5_ser))
#calls to serialize_net_to_file have the side effect of creating a pickle file
self.assertEqual(
util.serialize_net_to_file(net_1_conf, self.net_1),
self.net_1_ser
)
self.assertEqual(
util.serialize_net_to_file(net_2_conf, self.net_2),
self.net_2_ser
)
self.assertEqual(
util.serialize_net_to_file(net_3_conf, self.net_3),
self.net_3_ser
)
self.assertEqual(
util.serialize_net_to_file(net_4_conf, self.net_4),
self.net_4_ser
)
self.assertEqual(
util.serialize_net_to_file(net_5_conf, self.net_5),
self.net_5_ser
)
#test that we have the same networks after deserialization
self.assertEqual(
util.deserialize_net_from_file(net_1_conf),
self.net_1
)
self.assertEqual(
util.deserialize_net_from_file(net_2_conf),
self.net_2
)
self.assertEqual(
util.deserialize_net_from_file(net_3_conf),
self.net_3
)
self.assertEqual(
util.deserialize_net_from_file(net_4_conf),
self.net_4
)
self.assertEqual(
util.deserialize_net_from_file(net_5_conf),
self.net_5
)
for n in [self.net_1_ser, self.net_2_ser, self.net_3_ser, self.net_4_ser,
self.net_5_ser]:
try:
remove(n)
except OSError:
pass