def connectToODMChannel(self):
self.odmListener = ODMListener()
self.odmListener.connect(self.domManager)
self.odmListener.deviceManagerAdded.addListener(weakobj.boundmethod(self.devMgrODMEvent))
self.odmListener.deviceManagerRemoved.addListener(weakobj.boundmethod(self.devMgrODMEvent))
self.odmListener.applicationAdded.addListener(weakobj.boundmethod(self.applicationODMEvent))
self.odmListener.applicationRemoved.addListener(weakobj.boundmethod(self.applicationODMEvent))
self.odmListener.applicationFactoryAdded.addListener(weakobj.boundmethod(self.unusedODMEvent))
self.odmListener.applicationFactoryRemoved.addListener(weakobj.boundmethod(self.unusedODMEvent))
self.odmListener.deviceAdded.addListener(weakobj.boundmethod(self.devMgrODMEvent))
self.odmListener.deviceRemoved.addListener(weakobj.boundmethod(self.devMgrODMEvent))
self.odmListener.serviceAdded.addListener(weakobj.boundmethod(self.devMgrODMEvent))
self.odmListener.serviceRemoved.addListener(weakobj.boundmethod(self.devMgrODMEvent))
def connect(self, domain):
log.trace('Connecting %s', self.CHANNEL_NAME)
# Generate a unique identifier for each event channel connection to prevent
# collisions if multiple instances are running.
self.__identifier = str(uuid4())
self.__consumer = events.GenericEventConsumer(weakobj.boundmethod(self.push), keep_structs=True)
self.__domainManager = domain
self.__domainManager.registerWithEventChannel(self.__consumer._this(), self.__identifier, self.CHANNEL_NAME)
def __init__(self, profile, spd, scd, prf, instanceName, refid, impl=None, idmListener=None):
DomainComponent.__init__(self, profile, spd, scd, prf, instanceName, refid, impl)
# NB: The model.Device class is not directly in the hierarchy, but any
# concrete subclass should inherit from Device or one of its subclasses.
model.Device._buildAPI(self)
self.__adminState = CorbaAttribute(weakobj.boundmethod(self._get_adminState),
weakobj.boundmethod(self._set_adminState))
self.__adminState.changed.addListener(weakobj.boundmethod(self.adminStateChanged))
self.__operationalState = CorbaAttribute(weakobj.boundmethod(self._get_operationalState))
self.__operationalState.changed.addListener(weakobj.boundmethod(self.operationalStateChanged))
self.__usageState = CorbaAttribute(weakobj.boundmethod(self._get_usageState))
self.__usageState.changed.addListener(weakobj.boundmethod(self.usageStateChanged))
self.__idmListener = idmListener
# If the domain IDM channel is available, listen for state changes.
if self.__idmListener:
# Only receive notifications for this device by filtering based on
# the identifier.
identifier = self._get_identifier()
def matcher(deviceId, stateChangeFrom, stateChangeTo):
return deviceId == identifier
weakobj.addListener(self.__idmListener.administrativeStateChanged, self.__adminStateChangeEvent, matcher)
weakobj.addListener(self.__idmListener.operationalStateChanged, self.__operationalStateChangeEvent, matcher)
weakobj.addListener(self.__idmListener.usageStateChanged, self.__usageStateChangeEvent, matcher)
def test_WeakBoundMethod(self):
"""
Test that weakly-bound methods can be called like a regular bound
method, and are invalidated on object destruction.
"""
obj = TestClass()
foo = weakobj.boundmethod(obj.foo)
# Check that the weakly-bound method has the same behavior.
self.assertEqual(obj.foo(), foo())
# Check that weakly-bound notifications behave correctly.
self._notificationTest(weakobj.boundmethod(obj.bar))
# Delete the object and ensure that the method is invalidated.
del obj
try:
foo()
except weakref.ReferenceError:
pass
else:
self.fail('Weak bound method should be invalidated')
def test_WeakBoundMethod(self):
"""
Test that weakly-bound methods can be called like a regular bound
method, and are invalidated on object destruction.
"""
obj = TestClass()
foo = weakobj.boundmethod(obj.foo)
# Check that the weakly-bound method has the same behavior.
self.assertEqual(obj.foo(), foo())
# Check that weakly-bound notifications behave correctly.
self._notificationTest(weakobj.boundmethod(obj.bar))
# Delete the object and ensure that the method is invalidated.
del obj
try:
foo()
except weakref.ReferenceError:
pass
else:
self.fail('Weak bound method should be invalidated')
def connectToODMChannel(self):
self.odmListener = ODMListener()
self.odmListener.connect(self.domManager)
self.odmListener.deviceManagerAdded.addListener(
weakobj.boundmethod(self.devMgrODMEvent))
self.odmListener.deviceManagerRemoved.addListener(
weakobj.boundmethod(self.devMgrODMEvent))
self.odmListener.applicationAdded.addListener(
weakobj.boundmethod(self.applicationODMEvent))
self.odmListener.applicationRemoved.addListener(
weakobj.boundmethod(self.applicationODMEvent))
self.odmListener.applicationFactoryAdded.addListener(
weakobj.boundmethod(self.unusedODMEvent))
self.odmListener.applicationFactoryRemoved.addListener(
weakobj.boundmethod(self.unusedODMEvent))
self.odmListener.deviceAdded.addListener(
weakobj.boundmethod(self.devMgrODMEvent))
self.odmListener.deviceRemoved.addListener(
weakobj.boundmethod(self.devMgrODMEvent))
self.odmListener.serviceAdded.addListener(
weakobj.boundmethod(self.devMgrODMEvent))
self.odmListener.serviceRemoved.addListener(
weakobj.boundmethod(self.devMgrODMEvent))
def test_WeakBoundMethodCallback(self):
"""
Check that weakly-bound method finalizer callbacks are called as
expected.
"""
children = []
# Add a weakly-bound member function that will remove itself from the
# list when the object is destroyed.
obj = TestClass()
children.append(weakobj.boundmethod(obj.foo, children.remove))
self.assertEqual(len(children), 1)
# Add the same member function but with a different object.
obj2 = TestClass()
children.append(weakobj.boundmethod(obj2.foo, children.remove))
self.assertEqual(len(children), 2)
# Add a notification function from a third object.
obj3 = TestClass()
children.append(weakobj.boundmethod(obj3.bar, children.remove))
self.assertEqual(len(children), 3)
# Delete the second object and check that the callback removed only its
# weak bound method from the list
del obj2
self.assertEqual(len(children), 2)
self.assertEqual(children[0], weakobj.boundmethod(obj.foo))
# Delete the first object, which should leave only the third object's
# notification method
del obj
self.assertEqual(len(children), 1)
self.assertEqual(children[0], weakobj.boundmethod(obj3.bar))
del obj3
self.assertEqual(len(children), 0)
def test_WeakBoundMethodCallback(self):
"""
Check that weakly-bound method finalizer callbacks are called as
expected.
"""
children = []
# Add a weakly-bound member function that will remove itself from the
# list when the object is destroyed.
obj = TestClass()
children.append(weakobj.boundmethod(obj.foo, children.remove))
self.assertEqual(len(children), 1)
# Add the same member function but with a different object.
obj2 = TestClass()
children.append(weakobj.boundmethod(obj2.foo, children.remove))
self.assertEqual(len(children), 2)
# Add a notification function from a third object.
obj3 = TestClass()
children.append(weakobj.boundmethod(obj3.bar, children.remove))
self.assertEqual(len(children), 3)
# Delete the second object and check that the callback removed only its
# weak bound method from the list
del obj2
self.assertEqual(len(children), 2)
self.assertEqual(children[0], weakobj.boundmethod(obj.foo))
# Delete the first object, which should leave only the third object's
# notification method
del obj
self.assertEqual(len(children), 1)
self.assertEqual(children[0], weakobj.boundmethod(obj3.bar))
del obj3
self.assertEqual(len(children), 0)
def __init__(self,
profile,
spd,
scd,
prf,
instanceName,
refid,
impl=None,
idmListener=None):
DomainComponent.__init__(self, profile, spd, scd, prf, instanceName,
refid, impl)
# NB: The model.Device class is not directly in the hierarchy, but any
# concrete subclass should inherit from Device or one of its subclasses.
model.Device._buildAPI(self)
self.__adminState = CorbaAttribute(
weakobj.boundmethod(self._get_adminState),
weakobj.boundmethod(self._set_adminState))
self.__adminState.changed.addListener(
weakobj.boundmethod(self.adminStateChanged))
self.__operationalState = CorbaAttribute(
weakobj.boundmethod(self._get_operationalState))
self.__operationalState.changed.addListener(
weakobj.boundmethod(self.operationalStateChanged))
self.__usageState = CorbaAttribute(
weakobj.boundmethod(self._get_usageState))
self.__usageState.changed.addListener(
weakobj.boundmethod(self.usageStateChanged))
self.__idmListener = idmListener
# If the domain IDM channel is available, listen for state changes.
if self.__idmListener:
# Only receive notifications for this device by filtering based on
# the identifier.
identifier = self._get_identifier()
def matcher(deviceId, stateChangeFrom, stateChangeTo):
return deviceId == identifier
weakobj.addListener(self.__idmListener.administrativeStateChanged,
self.__adminStateChangeEvent, matcher)
weakobj.addListener(self.__idmListener.operationalStateChanged,
self.__operationalStateChangeEvent, matcher)
weakobj.addListener(self.__idmListener.usageStateChanged,
self.__usageStateChangeEvent, matcher)