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iwd
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auto-t: fix wait logic for the devices 

In addition, it makes InterfacesAdded\Removed handlers
a little more generic.
This commit is contained in:
Tim Kourt 2018-06-27 16:33:14 -07:00 committed by Denis Kenzior
parent 28c6a37db0
commit 395a70d652
1 changed files with 28 additions and 12 deletions
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40
autotests/util/iwd.py
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@ -604,13 +604,15 @@ class PSKAgent(dbus.service.Object):
class DeviceList(collections.Mapping):
def __init__(self, iwd, objects):
def __init__(self, iwd):
self._dict = {}
iwd._object_manager.connect_to_signal("InterfacesAdded",
self._interfaces_added_handler, IWD_DEVICE_INTERFACE)
self._interfaces_added_handler)
iwd._object_manager.connect_to_signal("InterfacesRemoved",
self._interfaces_removed_handler, IWD_DEVICE_INTERFACE)
self._interfaces_removed_handler)
objects = iwd._object_manager.GetManagedObjects()
for path in objects:
for interface in objects[path]:
@ -630,10 +632,12 @@ class DeviceList(collections.Mapping):
self._dict.pop(key).remove()
def _interfaces_added_handler(self, path, interfaces):
self._dict[path] = Device(path, interfaces[IWD_DEVICE_INTERFACE])
if IWD_DEVICE_INTERFACE in interfaces:
self._dict[path] = Device(path, interfaces[IWD_DEVICE_INTERFACE])
def _interfaces_removed_handler(self, path, interfaces):
del _dict[path]
if IWD_DEVICE_INTERFACE in interfaces:
del self._dict[path]
class IWD(AsyncOpAbstract):
@ -684,16 +688,22 @@ class IWD(AsyncOpAbstract):
tries += 1
time.sleep(0.1)
self._devices = DeviceList(self,
self._object_manager.GetManagedObjects())
self._devices = DeviceList(self)
def __del__(self):
if self._iwd_proc is None:
return
self._object_manager_if = None
self._agent_manager_if = None
self._known_network_manager_if = None
self._devices = None
self._iwd_proc.terminate()
self._iwd_proc.wait()
self._iwd_proc = None
@property
def _object_manager(self):
if self._object_manager_if is None:
@ -766,17 +776,23 @@ class IWD(AsyncOpAbstract):
assert not os.path.isabs(source)
shutil.copy(source, IWD_STORAGE_DIR)
def list_devices(self, wait_to_appear = False):
def list_devices(self, wait_to_appear = False, max_wait = 15):
if not wait_to_appear:
return list(self._devices.values())
tries = 0
self._wait_timed_out = False
def wait_timeout_cb():
self._wait_timed_out = True
return False
timeout = GLib.timeout_add_seconds(max_wait, wait_timeout_cb)
context = mainloop.get_context()
while len(self._devices) == 0:
if tries > 100:
context.iteration(may_block=True)
if self._wait_timed_out:
raise TimeoutError('IWD has no associated devices')
tries += 1
time.sleep(0.2)
GLib.source_remove(timeout)
return list(self._devices.values())