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 'Remote Procedure Call'
17 from threading import Event, Lock
18 from uuid import uuid1
20 from listener import get_listener
21 from ncclient.content.builders import RPCBuilder
25 def __init__(self, session, async=False, parse=True):
26 self._session = session
28 self._id = uuid1().urn
30 self._reply_event = Event()
31 self.listener.register(self._id, self)
32 session.add_listener(self.listener)
34 def _response_cb(self, reply):
38 def _do_request(self, op):
39 self._session.send(RPCBuilder.build(self._id, op))
41 self._reply_event.wait()
45 raise NotImplementedError
47 def wait_for_reply(self, timeout=None):
48 self._reply_event.wait(timeout)
52 return self._reply_event.isSet()
68 listener = get_listener(self._session)