1 # Copyright 2009 Shikhar Bhushan
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
15 from threading import Lock
19 logger = logging.getLogger('ncclient.subject')
23 def __init__(self, listeners=[]):
24 self._listeners = listeners
27 def has_listener(self, listener):
29 return (listener in self._listeners)
31 def add_listener(self, listener):
33 self._listeners.append(listener)
35 def remove_listener(self, listener):
38 self._listeners.remove(listener)
42 def dispatch(self, event, *args, **kwds):
44 listeners = list(self._listeners)
46 logger.debug('dispatching [%s] to [%s]' % (event, l.__class__))
48 getattr(l, event)(*args, **kwds)
49 except Exception as e:
53 class SessionListener:
57 self._subscription = None
61 id2rpc[reply.id]._deliver(reply)