def test_process_event_dropped(self, mock_byref):
event = self._get_fake_event(cluster_object_name='other_group_name')
self.assertIsNone(self._listener._process_event(event))
event = self._get_fake_event(notif_key=2)
self.assertIsNone(self._listener._process_event(event))
notif_key = self._listener._NOTIF_KEY_GROUP_COMMON_PROP
self._clusapi.get_cluster_group_status_info.side_effect = (
exceptions.ClusterPropertyListEntryNotFound(
property_name='fake_prop_name'))
event = self._get_fake_event(notif_key=notif_key)
self.assertIsNone(self._listener._process_event(event))
def get_prop_list_entry_p(self, prop_list_p, prop_list_sz, property_name):
# We may add a nice property list parser at some point.
# ResUtilFindULargeIntegerProperty is also helpful for our use case
# but it's available only starting with WS 2016.
#
# NOTE(lpetrut): in most cases, we're using 'byref' when passing
# references to DLL functions. The issue is that those pointers
# cannot be used directly, for which reason we have a cast here.
prop_list_p = ctypes.cast(
prop_list_p, ctypes.POINTER(ctypes.c_ubyte * prop_list_sz))
wb_prop_name = bytearray(ctypes.create_unicode_buffer(property_name))
prop_list_addr = ctypes.addressof(prop_list_p.contents)
prop_name_pos = bytearray(prop_list_p.contents).find(wb_prop_name)
if prop_name_pos == -1:
raise exceptions.ClusterPropertyListEntryNotFound(
property_name=property_name)
prop_name_len_pos = prop_name_pos - ctypes.sizeof(wintypes.DWORD)
prop_name_len_addr = prop_list_addr + prop_name_len_pos
prop_name_len = self._dword_align(
wintypes.DWORD.from_address(prop_name_len_addr).value)
prop_addr = prop_name_len_addr + prop_name_len + ctypes.sizeof(
wintypes.DWORD)
if (prop_addr + ctypes.sizeof(wintypes.DWORD * 3) >
prop_list_addr + prop_list_sz):
raise exceptions.ClusterPropertyListParsingError()
prop_entry = {
'syntax':
wintypes.DWORD.from_address(prop_addr).value,
'length':
wintypes.DWORD.from_address(prop_addr +
ctypes.sizeof(wintypes.DWORD)).value,
'val_p':
ctypes.c_void_p(prop_addr + 2 * ctypes.sizeof(wintypes.DWORD))
}
return prop_entry