mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-12-22 21:22:37 +01:00
1f9d9e1eb1
The __str__ function assumed station mode which throws an exception if the device is in AP mode. Fix this as well as print out the mode the device is in.
1301 lines
44 KiB
Python
Executable File
1301 lines
44 KiB
Python
Executable File
#!/usr/bin/python3
|
|
from gi.repository import GLib
|
|
|
|
import dbus
|
|
import dbus.service
|
|
import dbus.mainloop.glib
|
|
import sys
|
|
import os
|
|
import threading
|
|
import time
|
|
import collections.abc
|
|
import datetime
|
|
import weakref
|
|
|
|
from collections.abc import Mapping
|
|
from abc import ABCMeta, abstractmethod
|
|
from enum import Enum
|
|
|
|
from config import ctx
|
|
|
|
IWD_STORAGE_DIR = '/tmp/iwd'
|
|
IWD_CONFIG_DIR = '/tmp'
|
|
|
|
DBUS_OBJECT_MANAGER = 'org.freedesktop.DBus.ObjectManager'
|
|
DBUS_PROPERTIES = 'org.freedesktop.DBus.Properties'
|
|
|
|
IWD_SERVICE = 'net.connman.iwd'
|
|
IWD_WIPHY_INTERFACE = 'net.connman.iwd.Adapter'
|
|
IWD_AGENT_INTERFACE = 'net.connman.iwd.Agent'
|
|
IWD_AGENT_MANAGER_INTERFACE = 'net.connman.iwd.AgentManager'
|
|
IWD_DEVICE_INTERFACE = 'net.connman.iwd.Device'
|
|
IWD_KNOWN_NETWORK_INTERFACE = 'net.connman.iwd.KnownNetwork'
|
|
IWD_NETWORK_INTERFACE = 'net.connman.iwd.Network'
|
|
IWD_WSC_INTERFACE = 'net.connman.iwd.SimpleConfiguration'
|
|
IWD_SIGNAL_AGENT_INTERFACE = 'net.connman.iwd.SignalLevelAgent'
|
|
IWD_AP_INTERFACE = 'net.connman.iwd.AccessPoint'
|
|
IWD_ADHOC_INTERFACE = 'net.connman.iwd.AdHoc'
|
|
IWD_STATION_INTERFACE = 'net.connman.iwd.Station'
|
|
IWD_P2P_INTERFACE = 'net.connman.iwd.p2p.Device'
|
|
IWD_P2P_PEER_INTERFACE = 'net.connman.iwd.p2p.Peer'
|
|
IWD_P2P_SERVICE_MANAGER_INTERFACE = 'net.connman.iwd.p2p.ServiceManager'
|
|
IWD_P2P_WFD_INTERFACE = 'net.connman.iwd.p2p.Display'
|
|
IWD_STATION_DEBUG_INTERFACE = 'net.connman.iwd.StationDebug'
|
|
IWD_DPP_INTERFACE = 'net.connman.iwd.DeviceProvisioning'
|
|
|
|
IWD_AGENT_MANAGER_PATH = '/net/connman/iwd'
|
|
IWD_TOP_LEVEL_PATH = '/'
|
|
|
|
class UnknownDBusEx(Exception): pass
|
|
class InProgressEx(dbus.DBusException): pass
|
|
class FailedEx(dbus.DBusException): pass
|
|
class AbortedEx(dbus.DBusException): pass
|
|
class NotAvailableEx(dbus.DBusException): pass
|
|
class InvalidArgumentsEx(dbus.DBusException): pass
|
|
class InvalidFormatEx(dbus.DBusException): pass
|
|
class AlreadyExistsEx(dbus.DBusException): pass
|
|
class NotFoundEx(dbus.DBusException): pass
|
|
class NotSupportedEx(dbus.DBusException): pass
|
|
class NoAgentEx(dbus.DBusException): pass
|
|
class NotConnectedEx(dbus.DBusException): pass
|
|
class NotConfiguredEx(dbus.DBusException): pass
|
|
class NotImplementedEx(dbus.DBusException): pass
|
|
class ServiceSetOverlapEx(dbus.DBusException): pass
|
|
class AlreadyProvisionedEx(dbus.DBusException): pass
|
|
class NotHiddenEx(dbus.DBusException): pass
|
|
class CanceledEx(dbus.DBusException):
|
|
_dbus_error_name = 'net.connman.iwd.Error.Canceled'
|
|
|
|
|
|
_dbus_ex_to_py = {
|
|
'Canceled' : CanceledEx,
|
|
'InProgress' : InProgressEx,
|
|
'Failed' : FailedEx,
|
|
'Aborted' : AbortedEx,
|
|
'NotAvailable' : NotAvailableEx,
|
|
'InvalidArguments' : InvalidArgumentsEx,
|
|
'InvalidFormat' : InvalidFormatEx,
|
|
'AlreadyExists' : AlreadyExistsEx,
|
|
'NotFound' : NotFoundEx,
|
|
'NotSupported' : NotSupportedEx,
|
|
'NoAgent' : NoAgentEx,
|
|
'NotConnected' : NotConnectedEx,
|
|
'NotConfigured' : NotConfiguredEx,
|
|
'NotImplemented' : NotImplementedEx,
|
|
'ServiceSetOverlap' : ServiceSetOverlapEx,
|
|
'AlreadyProvisioned' : AlreadyProvisionedEx,
|
|
'NotHidden' : NotHiddenEx,
|
|
}
|
|
|
|
|
|
def _convert_dbus_ex(dbus_ex):
|
|
ex_name = dbus_ex.get_dbus_name()
|
|
ex_short_name = ex_name[ex_name.rfind(".") + 1:]
|
|
if ex_short_name in _dbus_ex_to_py:
|
|
return _dbus_ex_to_py[ex_short_name](dbus_ex)
|
|
else:
|
|
return UnknownDBusEx(ex_name + ': ' + dbus_ex.get_dbus_message())
|
|
|
|
|
|
class AsyncOpAbstract(object):
|
|
__metaclass__ = ABCMeta
|
|
|
|
_is_completed = False
|
|
_exception = None
|
|
|
|
def _success(self):
|
|
self._is_completed = True
|
|
|
|
def _failure(self, ex):
|
|
self._is_completed = True
|
|
self._exception = _convert_dbus_ex(ex)
|
|
|
|
def _wait_for_async_op(self):
|
|
ctx.non_block_wait(lambda s: s._is_completed, 30, self, exception=None)
|
|
|
|
self._is_completed = False
|
|
if self._exception is not None:
|
|
tmp = self._exception
|
|
self._exception = None
|
|
raise tmp
|
|
|
|
|
|
class IWDDBusAbstract(AsyncOpAbstract):
|
|
__metaclass__ = ABCMeta
|
|
|
|
def __init__(self, object_path = None, properties = None, service=IWD_SERVICE, namespace=ctx):
|
|
self._bus = namespace.get_bus()
|
|
self._namespace = namespace
|
|
|
|
self._object_path = object_path
|
|
proxy = self._bus.get_object(service, self._object_path)
|
|
self._iface = dbus.Interface(proxy, self._iface_name)
|
|
self._prop_proxy = dbus.Interface(proxy, DBUS_PROPERTIES)
|
|
|
|
if properties is None:
|
|
self._properties = self._prop_proxy.GetAll(self._iface_name)
|
|
else:
|
|
self._properties = properties
|
|
|
|
self._prop_proxy.connect_to_signal("PropertiesChanged",
|
|
self._property_changed_handler,
|
|
DBUS_PROPERTIES,
|
|
path_keyword="path")
|
|
|
|
def _property_changed_handler(self, interface, changed, invalidated, path):
|
|
if interface == self._iface_name and path == self._object_path:
|
|
for name, value in changed.items():
|
|
self._properties[name] = value
|
|
|
|
@abstractmethod
|
|
def __str__(self):
|
|
pass
|
|
|
|
|
|
class DeviceState(Enum):
|
|
'''Conection state of a device'''
|
|
connected = 'connected'
|
|
disconnected = 'disconnected'
|
|
connecting = 'connecting'
|
|
disconnecting = 'disconnecting'
|
|
roaming = 'roaming'
|
|
|
|
def __str__(self):
|
|
return self.value
|
|
|
|
@classmethod
|
|
def from_str(cls, string):
|
|
return getattr(cls, string, None)
|
|
|
|
|
|
class NetworkType(Enum):
|
|
'''Network security type'''
|
|
open = 'open'
|
|
psk = 'psk'
|
|
eap = '8021x'
|
|
hotspot = 'hotspot'
|
|
|
|
def __str__(self):
|
|
return str(self.value)
|
|
|
|
@classmethod
|
|
def from_string(cls, string):
|
|
type = None
|
|
for attr in dir(cls):
|
|
if (str(getattr(cls, attr)) == string):
|
|
type = getattr(cls, attr)
|
|
break
|
|
return type
|
|
|
|
|
|
class SignalAgent(dbus.service.Object):
|
|
def __init__(self, passphrase = None):
|
|
self._path = '/test/agent/' + str(int(round(time.time() * 1000)))
|
|
|
|
dbus.service.Object.__init__(self, ctx.get_bus(), self._path)
|
|
|
|
@property
|
|
def path(self):
|
|
return self._path
|
|
|
|
@dbus.service.method(IWD_SIGNAL_AGENT_INTERFACE,
|
|
in_signature='', out_signature='')
|
|
def Release(self):
|
|
print("SignalAgent released")
|
|
|
|
@dbus.service.method(IWD_SIGNAL_AGENT_INTERFACE,
|
|
in_signature='oy', out_signature='')
|
|
def Changed(self, path, level):
|
|
self.handle_new_level(str(path), int(level))
|
|
|
|
@abstractmethod
|
|
def handle_new_level(self, path, level):
|
|
pass
|
|
|
|
class AdHocDevice(IWDDBusAbstract):
|
|
'''
|
|
Class represents an AdHoc device object: net.connman.iwd.AdHoc
|
|
'''
|
|
_iface_name = IWD_ADHOC_INTERFACE
|
|
|
|
@property
|
|
def started(self):
|
|
return self._properties['Started']
|
|
|
|
@property
|
|
def connected_peers(self):
|
|
return self._properties['ConnectedPeers']
|
|
|
|
class StationDebug(IWDDBusAbstract):
|
|
'''
|
|
Class represents net.connman.iwd.StationDebug
|
|
'''
|
|
_iface_name = IWD_STATION_DEBUG_INTERFACE
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
self._events = []
|
|
|
|
IWDDBusAbstract.__init__(self, *args, **kwargs)
|
|
|
|
self._iface.connect_to_signal("Event", self._event_handler)
|
|
|
|
def _event_handler(self, event, data):
|
|
self._events.insert(0, (event, data))
|
|
|
|
@property
|
|
def autoconnect(self):
|
|
return self._properties['AutoConnect']
|
|
|
|
def connect_bssid(self, address):
|
|
self._iface.ConnectBssid(dbus.ByteArray.fromhex(address.replace(':', '')))
|
|
|
|
def roam(self, address):
|
|
self._iface.Roam(dbus.ByteArray.fromhex(address.replace(':', '')))
|
|
|
|
def scan(self, frequencies):
|
|
frequencies = dbus.Array([dbus.UInt16(f) for f in frequencies])
|
|
self._iface.Scan(frequencies)
|
|
|
|
def _poll_event(self, event):
|
|
for idx, e in enumerate(self._events):
|
|
if event == e[0]:
|
|
# Consume any older events
|
|
self._events = self._events[:idx]
|
|
return True
|
|
|
|
return False
|
|
|
|
def wait_for_event(self, event, timeout=10):
|
|
return ctx.non_block_wait(self._poll_event, timeout, event,
|
|
exception=TimeoutError("waiting for event"))
|
|
|
|
class DeviceProvisioning(IWDDBusAbstract):
|
|
'''
|
|
Class represents net.connman.iwd.DeviceProvisioning
|
|
'''
|
|
_iface_name = IWD_DPP_INTERFACE
|
|
|
|
def start_enrollee(self):
|
|
return self._iface.StartEnrollee()
|
|
|
|
def start_configurator(self, uri=None):
|
|
if uri:
|
|
return self._iface.ConfigureEnrollee(uri)
|
|
else:
|
|
return self._iface.StartConfigurator()
|
|
|
|
def stop(self):
|
|
self._iface.Stop()
|
|
|
|
@property
|
|
def uri(self):
|
|
return self._properties['URI']
|
|
|
|
@property
|
|
def started(self):
|
|
return self._properties['Started']
|
|
|
|
@property
|
|
def role(self):
|
|
return self._properties['Role']
|
|
|
|
class Device(IWDDBusAbstract):
|
|
'''
|
|
Class represents a network device object: net.connman.iwd.Device
|
|
with its properties and methods
|
|
'''
|
|
_iface_name = IWD_DEVICE_INTERFACE
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
self._wps_manager_if = None
|
|
self._station_if = None
|
|
self._station_props = None
|
|
self._station_debug_obj = None
|
|
self._dpp_obj = None
|
|
|
|
IWDDBusAbstract.__init__(self, *args, **kwargs)
|
|
|
|
@property
|
|
def _wps_manager(self):
|
|
if self._wps_manager_if is None:
|
|
_wps_manager_if =\
|
|
dbus.Interface(self._bus.get_object(IWD_SERVICE,
|
|
self.device_path),
|
|
IWD_WSC_INTERFACE)
|
|
return _wps_manager_if
|
|
|
|
@property
|
|
def _station(self):
|
|
if self._station_if is None:
|
|
self._station_if = dbus.Interface(self._bus.get_object(IWD_SERVICE,
|
|
self.device_path),
|
|
IWD_STATION_INTERFACE)
|
|
return self._station_if
|
|
|
|
@property
|
|
def _device_provisioning(self):
|
|
if self._properties['Mode'] != 'station':
|
|
self._prop_proxy.Set(IWD_DEVICE_INTERFACE, 'Mode', 'station')
|
|
|
|
if self._dpp_obj is None:
|
|
self._dpp_obj = DeviceProvisioning(object_path=self._object_path,
|
|
namespace=self._namespace)
|
|
|
|
return self._dpp_obj
|
|
|
|
@property
|
|
def _station_debug(self):
|
|
if self._properties['Mode'] != 'station':
|
|
self._prop_proxy.Set(IWD_DEVICE_INTERFACE, 'Mode', 'station')
|
|
|
|
if self._station_debug_obj is None:
|
|
self._station_debug_obj = StationDebug(object_path=self._object_path,
|
|
namespace=self._namespace)
|
|
|
|
return self._station_debug_obj
|
|
|
|
def _station_properties(self):
|
|
if self._station_props is not None:
|
|
return self._station_props
|
|
|
|
if self._properties['Mode'] != 'station':
|
|
self._prop_proxy.Set(IWD_DEVICE_INTERFACE, 'Mode', 'station')
|
|
|
|
self._station_prop_if = \
|
|
dbus.Interface(self._bus.get_object(IWD_SERVICE,
|
|
self.device_path),
|
|
DBUS_PROPERTIES)
|
|
|
|
self._station_props = self._station_prop_if.GetAll(IWD_STATION_INTERFACE)
|
|
|
|
self._station_prop_if.connect_to_signal("PropertiesChanged",
|
|
self.__station_property_changed_handler,
|
|
DBUS_PROPERTIES, path_keyword="path")
|
|
|
|
return self._station_props
|
|
|
|
def __station_property_changed_handler(self, interface, changed,
|
|
invalidated, path):
|
|
if interface == IWD_STATION_INTERFACE and path == self._object_path:
|
|
for name, value in changed.items():
|
|
self._station_props[name] = value
|
|
|
|
if name == 'Mode' and value != 'station':
|
|
self._station_debug_obj = None
|
|
|
|
@property
|
|
def device_path(self):
|
|
'''
|
|
Device's dbus path.
|
|
|
|
@rtype: string
|
|
'''
|
|
return self._object_path
|
|
|
|
@property
|
|
def name(self):
|
|
'''
|
|
Device's interface name.
|
|
|
|
@rtype: string
|
|
'''
|
|
return self._properties['Name']
|
|
|
|
@property
|
|
def address(self):
|
|
'''
|
|
Interface's hardware address in the XX:XX:XX:XX:XX:XX format.
|
|
|
|
@rtype: string
|
|
'''
|
|
return self._properties['Address']
|
|
|
|
@property
|
|
def state(self):
|
|
'''
|
|
Reflects the general network connection state.
|
|
|
|
@rtype: object (State)
|
|
'''
|
|
props = self._station_properties()
|
|
return DeviceState.from_str(props['State'])
|
|
|
|
@property
|
|
def connected_network(self):
|
|
'''
|
|
net.connman.iwd.Network object representing the
|
|
network the device is currently connected to or to
|
|
which a connection is in progress.
|
|
|
|
@rtype: object (Network)
|
|
'''
|
|
props = self._station_properties()
|
|
return props.get('ConnectedNetwork')
|
|
|
|
@property
|
|
def powered(self):
|
|
'''
|
|
True if the interface is UP. If false, the device's radio is
|
|
powered down and no other actions can be performed on the device.
|
|
|
|
@rtype: boolean
|
|
'''
|
|
return bool(self._properties['Powered'])
|
|
|
|
@property
|
|
def scanning(self):
|
|
'''
|
|
Reflects whether the device is currently scanning
|
|
for networks. net.connman.iwd.Network objects are
|
|
updated when this property goes from true to false.
|
|
|
|
@rtype: boolean
|
|
'''
|
|
props = self._station_properties()
|
|
return bool(props['Scanning'])
|
|
|
|
@property
|
|
def autoconnect(self):
|
|
return self._station_debug.autoconnect
|
|
|
|
@autoconnect.setter
|
|
def autoconnect(self, value):
|
|
self._station_debug._prop_proxy.Set(IWD_STATION_DEBUG_INTERFACE,
|
|
'AutoConnect', value)
|
|
|
|
def scan(self, wait=True):
|
|
'''Schedule a network scan.
|
|
|
|
Possible exception: BusyEx
|
|
FailedEx
|
|
'''
|
|
self._iface.Scan(dbus_interface=IWD_STATION_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
|
|
if wait:
|
|
self._wait_for_async_op()
|
|
|
|
def disconnect(self):
|
|
'''Disconnect from the network
|
|
|
|
Possible exception: BusyEx
|
|
FailedEx
|
|
NotConnectedEx
|
|
'''
|
|
self._iface.Disconnect(dbus_interface=IWD_STATION_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
|
|
self._wait_for_async_op()
|
|
|
|
def get_ordered_networks(self, scan_if_needed = True, full_scan = False, list = []):
|
|
'''Return the list of networks found in the most recent
|
|
scan, sorted by their user interface importance
|
|
score as calculated by iwd. If the device is
|
|
currently connected to a network, that network is
|
|
always first on the list, followed by any known
|
|
networks that have been used at least once before,
|
|
followed by any other known networks and any other
|
|
detected networks as the last group. Within these
|
|
groups the maximum relative signal-strength is the
|
|
main sorting factor.
|
|
'''
|
|
ordered_networks = []
|
|
if not full_scan:
|
|
for bus_obj in self._station.GetOrderedNetworks():
|
|
ordered_network = OrderedNetwork(bus_obj, self._bus, self._namespace)
|
|
ordered_networks.append(ordered_network)
|
|
|
|
names = [x.name for x in ordered_networks]
|
|
|
|
# all() will always return true if 'list' is empty
|
|
if all(x in names for x in list) and len(names) > 0:
|
|
return ordered_networks
|
|
elif not scan_if_needed:
|
|
return None
|
|
|
|
condition = 'not obj.scanning'
|
|
IWD._wait_for_object_condition(self, condition)
|
|
|
|
try:
|
|
# Do a full scan if instructed or if hostapd isn't being used
|
|
if full_scan or not ctx.hostapd:
|
|
self.scan()
|
|
else:
|
|
self.debug_scan(ctx.get_frequencies())
|
|
except InProgressEx:
|
|
pass
|
|
|
|
condition = 'obj.scanning'
|
|
IWD._wait_for_object_condition(self, condition)
|
|
condition = 'not obj.scanning'
|
|
IWD._wait_for_object_condition(self, condition)
|
|
|
|
for bus_obj in self._station.GetOrderedNetworks():
|
|
ordered_network = OrderedNetwork(bus_obj, self._bus, self._namespace)
|
|
ordered_networks.append(ordered_network)
|
|
|
|
if len(ordered_networks) > 0:
|
|
return ordered_networks
|
|
|
|
return None
|
|
|
|
def get_ordered_network(self, network, scan_if_needed = True, full_scan = False):
|
|
'''Returns a single network from ordered network call, or None if the
|
|
network wasn't found. If the network is not found an exception is
|
|
raised, this removes the need to extra asserts in autotests.
|
|
'''
|
|
def wait_for_network(self, network, scan_if_needed, full_scan):
|
|
networks = self.get_ordered_networks(scan_if_needed, full_scan, list=[network])
|
|
|
|
if not networks:
|
|
# No point in continuing if we aren't going to re-scan
|
|
if not scan_if_needed:
|
|
raise Exception("Network %s not found" % network)
|
|
|
|
return False
|
|
|
|
for n in networks:
|
|
if n.name == network:
|
|
return n
|
|
|
|
return False
|
|
|
|
return ctx.non_block_wait(wait_for_network, 30, self, network, scan_if_needed, full_scan,
|
|
exception=Exception("Network %s not found" % network))
|
|
|
|
def wps_push_button(self):
|
|
self._wps_manager.PushButton(dbus_interface=IWD_WSC_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
self._wait_for_async_op()
|
|
|
|
def wps_generate_pin(self):
|
|
return self._wps_manager.GeneratePin()
|
|
|
|
def wps_start_pin(self, pin):
|
|
self._wps_manager.StartPin(pin, reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
|
|
def wps_cancel(self):
|
|
self._wps_manager.Cancel(dbus_interface=IWD_WSC_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
self._wait_for_async_op()
|
|
|
|
def register_signal_agent(self, signal_agent, levels):
|
|
self._station.RegisterSignalLevelAgent(signal_agent.path,
|
|
dbus.Array(levels, 'n'),
|
|
dbus_interface=IWD_STATION_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
self._wait_for_async_op()
|
|
|
|
def unregister_signal_agent(self, signal_agent):
|
|
self._station.UnregisterSignalLevelAgent(signal_agent.path,
|
|
dbus_interface=IWD_STATION_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
self._wait_for_async_op()
|
|
|
|
def start_ap(self, ssid, psk=None):
|
|
try:
|
|
self._prop_proxy.Set(IWD_DEVICE_INTERFACE, 'Mode', 'ap')
|
|
except Exception as e:
|
|
raise _convert_dbus_ex(e)
|
|
|
|
self._ap_iface = dbus.Interface(self._bus.get_object(IWD_SERVICE,
|
|
self.device_path),
|
|
IWD_AP_INTERFACE)
|
|
if psk:
|
|
self._ap_iface.Start(ssid, psk, reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
else:
|
|
self._ap_iface.StartProfile(ssid, reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
self._wait_for_async_op()
|
|
|
|
def stop_ap(self):
|
|
self._prop_proxy.Set(IWD_DEVICE_INTERFACE, 'Mode', 'station')
|
|
|
|
def connect_hidden_network(self, name):
|
|
'''Connect to a hidden network
|
|
Possible exception: BusyEx
|
|
FailedEx
|
|
InvalidArgumentsEx
|
|
NotConfiguredEx
|
|
NotConnectedEx
|
|
NotFoundEx
|
|
ServiceSetOverlapEx
|
|
'''
|
|
self._iface.ConnectHiddenNetwork(name,
|
|
dbus_interface=IWD_STATION_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
self._wait_for_async_op()
|
|
|
|
def connect_hidden_network_async(self, name, reply_handler, error_handler):
|
|
'''Connect to a hidden network
|
|
Possible exception: BusyEx
|
|
FailedEx
|
|
InvalidArgumentsEx
|
|
NotConfiguredEx
|
|
NotConnectedEx
|
|
NotFoundEx
|
|
ServiceSetOverlapEx
|
|
'''
|
|
self._iface.ConnectHiddenNetwork(name,
|
|
dbus_interface=IWD_STATION_INTERFACE,
|
|
reply_handler=reply_handler,
|
|
error_handler=error_handler)
|
|
|
|
def start_adhoc(self, ssid, psk=None):
|
|
self._prop_proxy.Set(IWD_DEVICE_INTERFACE, 'Mode', 'ad-hoc')
|
|
self._adhoc_iface = dbus.Interface(self._bus.get_object(IWD_SERVICE,
|
|
self.device_path),
|
|
IWD_ADHOC_INTERFACE)
|
|
if not psk:
|
|
self._adhoc_iface.StartOpen(ssid, reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
else:
|
|
self._adhoc_iface.Start(ssid, psk, reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
self._wait_for_async_op()
|
|
|
|
return AdHocDevice(self.device_path)
|
|
|
|
def stop_adhoc(self):
|
|
self._prop_proxy.Set(IWD_DEVICE_INTERFACE, 'Mode', 'station')
|
|
|
|
def connect_bssid(self, address):
|
|
self._station_debug.connect_bssid(address)
|
|
|
|
def roam(self, address):
|
|
self._station_debug.roam(address)
|
|
|
|
def debug_scan(self, frequencies):
|
|
self._station_debug.scan(frequencies)
|
|
|
|
def wait_for_event(self, event, timeout=10):
|
|
self._station_debug.wait_for_event(event, timeout)
|
|
|
|
def dpp_start_enrollee(self):
|
|
return self._device_provisioning.start_enrollee()
|
|
|
|
def dpp_start_configurator(self, uri=None):
|
|
return self._device_provisioning.start_configurator(uri)
|
|
|
|
def dpp_stop(self):
|
|
return self._device_provisioning.stop()
|
|
|
|
def __str__(self, prefix = ''):
|
|
s = prefix + 'Device: ' + self.device_path + '\n'\
|
|
+ prefix + '\tName:\t\t' + self.name + '\n'\
|
|
+ prefix + '\tAddress:\t' + self.address + '\n' \
|
|
+ prefix + '\tPowered:\t' + str(self.powered) + '\n'\
|
|
+ prefix + '\tMode:\t\t' + self._properties['Mode'] + '\n'
|
|
|
|
if self._properties['Mode'] == 'station':
|
|
s += prefix + '\tState:\t\t' + str(self.state) + '\n'\
|
|
+ prefix + '\tConnected net:\t' + str(self.connected_network) + '\n'
|
|
|
|
return s
|
|
|
|
class Network(IWDDBusAbstract):
|
|
'''Class represents a network object: net.connman.iwd.Network'''
|
|
_iface_name = IWD_NETWORK_INTERFACE
|
|
|
|
@property
|
|
def name(self):
|
|
'''
|
|
Network SSID.
|
|
|
|
@rtype: string
|
|
'''
|
|
return self._properties['Name']
|
|
|
|
@property
|
|
def connected(self):
|
|
'''
|
|
Reflects whether the device is connected to this network.
|
|
|
|
@rtype: boolean
|
|
'''
|
|
return bool(self._properties['Connected'])
|
|
|
|
def connect(self, wait=True):
|
|
'''
|
|
Connect to the network. Request the device implied by the object
|
|
path to connect to specified network.
|
|
|
|
Possible exception: AbortedEx
|
|
BusyEx
|
|
FailedEx
|
|
NoAgentEx
|
|
NotSupportedEx
|
|
TimeoutEx
|
|
|
|
@rtype: void
|
|
'''
|
|
|
|
self._iface.Connect(dbus_interface=self._iface_name,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
|
|
if wait:
|
|
self._wait_for_async_op()
|
|
|
|
def __str__(self, prefix = ''):
|
|
return prefix + 'Network:\n' \
|
|
+ prefix + '\tName:\t' + self.name + '\n' \
|
|
+ prefix + '\tConnected:\t' + str(self.connected)
|
|
|
|
|
|
class KnownNetwork(IWDDBusAbstract):
|
|
'''Class represents a known network object: net.connman.iwd.KnownNetwork'''
|
|
_iface_name = IWD_KNOWN_NETWORK_INTERFACE
|
|
|
|
def forget(self):
|
|
'''
|
|
Removes information saved by IWD about this network
|
|
causing it to be treated as if IWD had never connected
|
|
to it before.
|
|
'''
|
|
self._iface.Forget(dbus_interface=self._iface_name,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
self._wait_for_async_op()
|
|
|
|
@property
|
|
def name(self):
|
|
'''Contains the Name (SSID) of the network.'''
|
|
return str(self._properties['Name'])
|
|
|
|
@property
|
|
def type(self):
|
|
'''Contains the type of the network.'''
|
|
return NetworkType(self._properties['Type'])
|
|
|
|
@property
|
|
def last_connected_time(self):
|
|
'''
|
|
Contains the last time this network has been connected to.
|
|
If the network is known, but has never been successfully
|
|
connected to, this attribute is set to None.
|
|
|
|
@rtype: datetime
|
|
'''
|
|
if 'LastConnectedTime' not in self._properties:
|
|
return None
|
|
|
|
val = self._properties['LastConnectedTime']
|
|
return datetime.datetime.strptime(val, "%Y-%m-%dT%H:%M:%SZ")
|
|
|
|
def __str__(self, prefix = ''):
|
|
return prefix + 'Known Network:\n' \
|
|
+ prefix + '\tName:\t' + self.name + '\n' \
|
|
+ prefix + '\tType:\t' + str(self.type) + '\n' \
|
|
+ prefix + '\tLast connected:\t' + str(self.last_connected_time)
|
|
|
|
class OrderedNetwork(object):
|
|
'''Represents a network found in the scan'''
|
|
|
|
def __init__(self, o_n_tuple, bus, namespace=ctx):
|
|
self._bus = bus
|
|
self._network_object = Network(o_n_tuple[0], namespace=namespace)
|
|
self._network_proxy = dbus.Interface(self._bus.get_object(IWD_SERVICE,
|
|
o_n_tuple[0]),
|
|
DBUS_PROPERTIES)
|
|
self._properties = self._network_proxy.GetAll(IWD_NETWORK_INTERFACE)
|
|
|
|
self._name = self._properties['Name']
|
|
self._signal_strength = o_n_tuple[1]
|
|
self._type = NetworkType.from_string(str(self._properties['Type']))
|
|
|
|
@property
|
|
def network_object(self):
|
|
'''
|
|
net.connman.iwd.Network object representing the network.
|
|
|
|
@rtype: Network
|
|
'''
|
|
return self._network_object
|
|
|
|
@property
|
|
def name(self):
|
|
'''
|
|
Device's interface name.
|
|
|
|
@rtype: string
|
|
'''
|
|
return self._name
|
|
|
|
@property
|
|
def signal_strength(self):
|
|
'''
|
|
Network's maximum signal strength expressed in 100 * dBm.
|
|
The value is the range of 0 (strongest signal) to
|
|
-10000 (weakest signal)
|
|
|
|
@rtype: number
|
|
'''
|
|
return self._signal_strength
|
|
|
|
@property
|
|
def type(self):
|
|
'''
|
|
Contains the type of the network.
|
|
|
|
@rtype: NetworkType
|
|
'''
|
|
return self._type
|
|
|
|
def __str__(self):
|
|
return 'Ordered Network:\n'\
|
|
'\tName:\t\t' + self._name + '\n'\
|
|
'\tNetwork Type:\t' + str(self._type) + '\n'\
|
|
'\tSignal Strength:'\
|
|
+ ('None' if self.signal_strength is None else\
|
|
str(self.signal_strength)) + '\n'\
|
|
'\tObject: \n' + self.network_object.__str__('\t\t')
|
|
|
|
agent_count = 0
|
|
|
|
class PSKAgent(dbus.service.Object):
|
|
|
|
def __init__(self, passphrases=[], users=[], namespace=ctx):
|
|
global agent_count
|
|
|
|
if type(passphrases) != list:
|
|
passphrases = [passphrases]
|
|
self.passphrases = passphrases
|
|
if type(users) != list:
|
|
users = [users]
|
|
self.users = users
|
|
self._path = '/test/agent/%s' % agent_count
|
|
self._bus = dbus.bus.BusConnection(address_or_type=namespace.dbus_address)
|
|
|
|
agent_count += 1
|
|
|
|
dbus.service.Object.__init__(self, self._bus, self._path)
|
|
|
|
@property
|
|
def path(self):
|
|
return self._path
|
|
|
|
@dbus.service.method(IWD_AGENT_INTERFACE, in_signature='', out_signature='')
|
|
def Release(self):
|
|
print("Agent released")
|
|
|
|
@dbus.service.method(IWD_AGENT_INTERFACE, in_signature='s',
|
|
out_signature='')
|
|
def Cancel(self, reason):
|
|
print("Cancel: " + reason)
|
|
|
|
|
|
@dbus.service.method(IWD_AGENT_INTERFACE, in_signature='o',
|
|
out_signature='s')
|
|
def RequestPassphrase(self, path):
|
|
print('Requested PSK for ' + path)
|
|
|
|
if not self.passphrases:
|
|
raise CanceledEx("canceled")
|
|
|
|
return self.passphrases.pop(0)
|
|
|
|
@dbus.service.method(IWD_AGENT_INTERFACE, in_signature='o',
|
|
out_signature='s')
|
|
def RequestPrivateKeyPassphrase(self, path):
|
|
print('Requested private-key passphrase for ' + path)
|
|
|
|
if not self.passphrases:
|
|
raise CanceledEx("canceled")
|
|
|
|
return self.passphrases.pop(0)
|
|
|
|
@dbus.service.method(IWD_AGENT_INTERFACE, in_signature='o',
|
|
out_signature='ss')
|
|
def RequestUserNameAndPassword(self, path):
|
|
print('Requested the user name and password for ' + path)
|
|
|
|
if not self.users:
|
|
raise CanceledEx("canceled")
|
|
|
|
return self.users.pop(0)
|
|
|
|
@dbus.service.method(IWD_AGENT_INTERFACE, in_signature='os',
|
|
out_signature='s')
|
|
def RequestUserPassword(self, path, req_user):
|
|
print('Requested the password for ' + path + ' for user ' + req_user)
|
|
|
|
if not self.users:
|
|
raise CanceledEx("canceled")
|
|
|
|
user, passwd = self.users.pop(0)
|
|
if user != req_user:
|
|
raise CanceledEx("canceled")
|
|
|
|
return passwd
|
|
|
|
|
|
class P2PDevice(IWDDBusAbstract):
|
|
_iface_name = IWD_P2P_INTERFACE
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
self._discovery_request = False
|
|
self._peer_dict = {}
|
|
IWDDBusAbstract.__init__(self, *args, **kwargs)
|
|
|
|
@property
|
|
def name(self):
|
|
return str(self._properties['Name'])
|
|
|
|
@name.setter
|
|
def name(self, name):
|
|
self._prop_proxy.Set(self._iface_name, 'Name', name)
|
|
|
|
@property
|
|
def enabled(self):
|
|
return bool(self._properties['Enabled'])
|
|
|
|
@enabled.setter
|
|
def enabled(self, enabled):
|
|
self._prop_proxy.Set(self._iface_name, 'Enabled', enabled)
|
|
|
|
@property
|
|
def discovery_request(self):
|
|
return self._discovery_request
|
|
|
|
@discovery_request.setter
|
|
def discovery_request(self, req):
|
|
if self._discovery_request == bool(req):
|
|
return
|
|
|
|
if bool(req):
|
|
self._iface.RequestDiscovery()
|
|
else:
|
|
self._iface.ReleaseDiscovery()
|
|
|
|
self._discovery_request = bool(req)
|
|
|
|
def get_peers(self):
|
|
old_dict = self._peer_dict
|
|
self._peer_dict = {}
|
|
|
|
for path, rssi in self._iface.GetPeers():
|
|
self._peer_dict[path] = old_dict[path] if path in old_dict else P2PPeer(path, namespace=self._namespace)
|
|
self._peer_dict[path].rssi = rssi
|
|
|
|
return self._peer_dict
|
|
|
|
|
|
class P2PPeer(IWDDBusAbstract):
|
|
_iface_name = IWD_P2P_PEER_INTERFACE
|
|
|
|
@property
|
|
def name(self):
|
|
return str(self._properties['Name'])
|
|
|
|
@property
|
|
def category(self):
|
|
return str(self._properties['DeviceCategory'])
|
|
|
|
@property
|
|
def subcategory(self):
|
|
return str(self._properties['DeviceSubcategory'])
|
|
|
|
@property
|
|
def connected(self):
|
|
return bool(self._properties['Connected'])
|
|
|
|
@property
|
|
def connected_interface(self):
|
|
return str(self._properties['ConnectedInterface'])
|
|
|
|
@property
|
|
def connected_ip(self):
|
|
return str(self._properties['ConnectedIP'])
|
|
|
|
def connect(self, wait=True, pin=None):
|
|
if pin is None:
|
|
self._iface.PushButton(dbus_interface=IWD_WSC_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
else:
|
|
self._iface.StartPin(pin,
|
|
dbus_interface=IWD_WSC_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
|
|
if wait:
|
|
self._wait_for_async_op()
|
|
return (self.connected_interface, self.connected_ip)
|
|
|
|
def disconnect(self):
|
|
self._iface.Disconnect()
|
|
|
|
|
|
class DeviceList(Mapping):
|
|
def __init__(self, iwd):
|
|
self._dict = {}
|
|
self._p2p_dict = {}
|
|
self._namespace = iwd.namespace
|
|
|
|
iwd._object_manager.connect_to_signal("InterfacesAdded",
|
|
self._interfaces_added_handler)
|
|
iwd._object_manager.connect_to_signal("InterfacesRemoved",
|
|
self._interfaces_removed_handler)
|
|
|
|
objects = iwd._object_manager.GetManagedObjects()
|
|
|
|
for path in objects:
|
|
for interface in objects[path]:
|
|
if interface == IWD_DEVICE_INTERFACE:
|
|
self._dict[path] = Device(path, objects[path][interface],
|
|
namespace=self._namespace)
|
|
elif interface == IWD_P2P_INTERFACE:
|
|
self._p2p_dict[path] = P2PDevice(path, objects[path][interface],
|
|
namespace=self._namespace)
|
|
|
|
def __getitem__(self, key):
|
|
return self._dict.__getitem__(key)
|
|
|
|
def __iter__(self):
|
|
return self._dict.__iter__()
|
|
|
|
def __len__(self):
|
|
return self._dict.__len__()
|
|
|
|
def __delitem__(self, key):
|
|
self._dict.pop(key).remove()
|
|
|
|
def _interfaces_added_handler(self, path, interfaces):
|
|
if IWD_DEVICE_INTERFACE in interfaces:
|
|
self._dict[path] = Device(path, interfaces[IWD_DEVICE_INTERFACE],
|
|
namespace=self._namespace)
|
|
elif IWD_P2P_INTERFACE in interfaces:
|
|
self._p2p_dict[path] = P2PDevice(path, interfaces[IWD_P2P_INTERFACE],
|
|
namespace=self._namespace)
|
|
|
|
def _interfaces_removed_handler(self, path, interfaces):
|
|
if IWD_DEVICE_INTERFACE in interfaces:
|
|
del self._dict[path]
|
|
elif IWD_P2P_INTERFACE in interfaces:
|
|
del self._p2p_dict[path]
|
|
|
|
@property
|
|
def p2p_dict(self):
|
|
return self._p2p_dict
|
|
|
|
|
|
class IWD(AsyncOpAbstract):
|
|
'''
|
|
Start an IWD instance. By default IWD should already be running, but
|
|
some tests do require starting IWD using this constructor (by passing
|
|
start_iwd_daemon=True)
|
|
'''
|
|
_default_instance = None
|
|
|
|
def __init__(self, start_iwd_daemon = False, iwd_config_dir = '/tmp',
|
|
iwd_storage_dir = IWD_STORAGE_DIR, namespace=ctx,
|
|
developer_mode = True):
|
|
self.namespace = namespace
|
|
self._bus = namespace.get_bus()
|
|
self._object_manager_if = None
|
|
self._iwd_proc = None
|
|
|
|
if start_iwd_daemon:
|
|
if self.namespace.is_process_running('iwd'):
|
|
raise Exception("IWD requested to start but is already running")
|
|
|
|
self._iwd_proc = self.namespace.start_iwd(iwd_config_dir,
|
|
iwd_storage_dir,
|
|
developer_mode)
|
|
|
|
self._devices = DeviceList(self)
|
|
|
|
# Weak to make sure the test's reference to @self is the only counted
|
|
# reference so that __del__ gets called when it's released. This is only
|
|
# done for the root namespace in order to allow testutil to function
|
|
# correctly in non-namespace tests.
|
|
if self.namespace.name is None:
|
|
IWD._default_instance = weakref.ref(self)
|
|
|
|
self.psk_agents = []
|
|
|
|
def __del__(self):
|
|
for agent in self.psk_agents:
|
|
self.unregister_psk_agent(agent)
|
|
|
|
self.psk_agents = []
|
|
|
|
self._object_manager_if = None
|
|
self._known_networks = None
|
|
self._devices = None
|
|
|
|
if self._iwd_proc is not None:
|
|
self.namespace.stop_process(self._iwd_proc)
|
|
self._iwd_proc = None
|
|
|
|
self.namespace = None
|
|
|
|
@property
|
|
def _object_manager(self):
|
|
if self._object_manager_if is None:
|
|
self._object_manager_if = \
|
|
dbus.Interface(self._bus.get_object(IWD_SERVICE,
|
|
IWD_TOP_LEVEL_PATH),
|
|
DBUS_OBJECT_MANAGER)
|
|
return self._object_manager_if
|
|
|
|
@staticmethod
|
|
def _wait_for_object_condition(obj, condition_str, max_wait = 50):
|
|
def _eval_wrap(obj, condition_str):
|
|
return eval(condition_str)
|
|
|
|
ctx.non_block_wait(_eval_wrap, max_wait, obj, condition_str,
|
|
exception=TimeoutError('[' + condition_str + ']'\
|
|
' condition was not met in '\
|
|
+ str(max_wait) + ' sec'))
|
|
|
|
def wait_for_object_condition(self, *args, **kwargs):
|
|
self._wait_for_object_condition(*args, **kwargs)
|
|
|
|
def wait_for_object_change(self, obj, from_str, to_str, max_wait = 50):
|
|
'''
|
|
Wait for 'from_str' to evaluate true then waits for 'to_str'. If
|
|
at any point during the wait 'from_str' evaluates false, an exception is
|
|
raised.
|
|
|
|
This allows an object to be checked for a state transition without any
|
|
intermediate state changes.
|
|
'''
|
|
def _eval_from_to(obj, from_str, to_str):
|
|
# If neither the initial or expected condition evaluate the
|
|
# object must be in another unexpected state.
|
|
if not eval(from_str) and not eval(to_str):
|
|
raise Exception('unexpected condition between [%s] and [%s]' %
|
|
(from_str, to_str))
|
|
|
|
# Initial condition does not evaluate but expected does, pass
|
|
if not eval(from_str) and eval(to_str):
|
|
return True
|
|
|
|
return False
|
|
|
|
# wait for initial condition
|
|
self._wait_for_object_condition(obj, from_str)
|
|
|
|
ctx.non_block_wait(_eval_from_to, max_wait, obj, from_str, to_str,
|
|
exception=TimeoutError('[' + to_str + ']'\
|
|
' condition was not met in '\
|
|
+ str(max_wait) + ' sec'))
|
|
|
|
@staticmethod
|
|
def wait(time):
|
|
ctx.non_block_wait(lambda : False, time, exception=False)
|
|
|
|
@staticmethod
|
|
def clear_storage(storage_dir=IWD_STORAGE_DIR):
|
|
os.system('rm -rf ' + storage_dir + '/*')
|
|
os.system('rm -rf ' + storage_dir + '/hotspot/*')
|
|
os.system('rm -rf ' + storage_dir + '/ap/*')
|
|
|
|
@staticmethod
|
|
def create_in_storage(file_name, file_content, storage_dir=IWD_STORAGE_DIR):
|
|
fo = open(storage_dir + '/' + file_name, 'w')
|
|
|
|
fo.write(file_content)
|
|
fo.close()
|
|
|
|
@staticmethod
|
|
def _ensure_storage_dir_exists(storage_dir):
|
|
if not os.path.exists(storage_dir):
|
|
os.mkdir(storage_dir)
|
|
|
|
@staticmethod
|
|
def copy_to_storage(source, storage_dir=IWD_STORAGE_DIR, name=None):
|
|
import shutil
|
|
|
|
assert not os.path.isabs(source)
|
|
|
|
target = storage_dir
|
|
if name:
|
|
target += '/%s' % name
|
|
|
|
IWD._ensure_storage_dir_exists(storage_dir)
|
|
shutil.copy(source, target)
|
|
|
|
@staticmethod
|
|
def copy_to_hotspot(source, storage_dir=IWD_STORAGE_DIR):
|
|
IWD._ensure_storage_dir_exists(storage_dir)
|
|
|
|
if not os.path.exists(storage_dir + "/hotspot"):
|
|
os.mkdir(storage_dir + "/hotspot")
|
|
|
|
IWD.copy_to_storage(source, storage_dir + "/hotspot")
|
|
|
|
@staticmethod
|
|
def copy_to_ap(source, storage_dir=IWD_STORAGE_DIR):
|
|
if not os.path.exists(storage_dir + "/ap"):
|
|
os.mkdir(storage_dir + "/ap")
|
|
|
|
IWD.copy_to_storage(source, storage_dir + '/ap/')
|
|
|
|
@staticmethod
|
|
def remove_from_storage(file_name, storage_dir=IWD_STORAGE_DIR):
|
|
os.system('rm -rf ' + storage_dir + '/\'' + file_name + '\'')
|
|
|
|
def list_devices(self, wait_to_appear = 0, max_wait = 50, p2p = False):
|
|
if not wait_to_appear:
|
|
return list(self._devices.values() if not p2p else self._devices.p2p_dict.values())
|
|
|
|
ctx.non_block_wait(lambda s, n: len(s._devices) >= n, max_wait, self, wait_to_appear,
|
|
exception=TimeoutError('IWD has no associated devices'))
|
|
|
|
return list(self._devices.values() if not p2p else self._devices.p2p_dict.values())[:wait_to_appear]
|
|
|
|
def list_p2p_devices(self, *args, **kwargs):
|
|
return self.list_devices(*args, **kwargs, p2p=True)
|
|
|
|
def list_known_networks(self):
|
|
'''Returns the list of KnownNetwork objects.'''
|
|
objects = self._object_manager.GetManagedObjects()
|
|
known_network_list = []
|
|
|
|
for path in objects:
|
|
for interface in objects[path]:
|
|
if interface == IWD_KNOWN_NETWORK_INTERFACE:
|
|
known_network_list.append(
|
|
KnownNetwork(path, objects[path][interface]))
|
|
|
|
return known_network_list
|
|
|
|
def register_psk_agent(self, psk_agent):
|
|
iface = dbus.Interface(psk_agent._bus.get_object(IWD_SERVICE,
|
|
IWD_AGENT_MANAGER_PATH),
|
|
IWD_AGENT_MANAGER_INTERFACE)
|
|
iface.RegisterAgent(psk_agent.path,
|
|
dbus_interface=IWD_AGENT_MANAGER_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
|
|
self._wait_for_async_op()
|
|
self.psk_agents.append(psk_agent)
|
|
|
|
def unregister_psk_agent(self, psk_agent):
|
|
iface = dbus.Interface(psk_agent._bus.get_object(IWD_SERVICE,
|
|
IWD_AGENT_MANAGER_PATH),
|
|
IWD_AGENT_MANAGER_INTERFACE)
|
|
iface.UnregisterAgent(psk_agent.path,
|
|
dbus_interface=IWD_AGENT_MANAGER_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
self._wait_for_async_op()
|
|
self.psk_agents.remove(psk_agent)
|
|
|
|
@staticmethod
|
|
def get_instance():
|
|
return IWD._default_instance()
|