root / ncclient / operations / rpc.py @ 8b4b9936
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1 | 589b23e4 | Shikhar Bhushan | # Copyright 2009 Shikhar Bhushan
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2 | 589b23e4 | Shikhar Bhushan | #
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3 | 589b23e4 | Shikhar Bhushan | # Licensed under the Apache License, Version 2.0 (the "License");
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4 | 589b23e4 | Shikhar Bhushan | # you may not use this file except in compliance with the License.
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5 | 589b23e4 | Shikhar Bhushan | # You may obtain a copy of the License at
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6 | 589b23e4 | Shikhar Bhushan | #
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7 | 589b23e4 | Shikhar Bhushan | # http://www.apache.org/licenses/LICENSE-2.0
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8 | 589b23e4 | Shikhar Bhushan | #
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9 | 589b23e4 | Shikhar Bhushan | # Unless required by applicable law or agreed to in writing, software
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10 | 589b23e4 | Shikhar Bhushan | # distributed under the License is distributed on an "AS IS" BASIS,
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11 | 589b23e4 | Shikhar Bhushan | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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12 | 589b23e4 | Shikhar Bhushan | # See the License for the specific language governing permissions and
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13 | 589b23e4 | Shikhar Bhushan | # limitations under the License.
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14 | 589b23e4 | Shikhar Bhushan | |
15 | a956ef07 | Shikhar Bhushan | 'Remote Procedure Call'
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16 | a956ef07 | Shikhar Bhushan | |
17 | 38a9b062 | Shikhar Bhushan | from threading import Event, Lock |
18 | 38a9b062 | Shikhar Bhushan | from uuid import uuid1 |
19 | 38a9b062 | Shikhar Bhushan | |
20 | 8b4b9936 | Shikhar Bhushan | from listener import get_listener |
21 | 8b4b9936 | Shikhar Bhushan | from ncclient.content.builders import RPCBuilder |
22 | ee4bb099 | Shikhar Bhushan | |
23 | 589b23e4 | Shikhar Bhushan | class RPC: |
24 | 589b23e4 | Shikhar Bhushan | |
25 | ee4bb099 | Shikhar Bhushan | def __init__(self, session, async=False, parse=True): |
26 | 38a9b062 | Shikhar Bhushan | self._session = session
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27 | 38a9b062 | Shikhar Bhushan | self._async = async
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28 | ee4bb099 | Shikhar Bhushan | self._id = uuid1().urn
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29 | 589b23e4 | Shikhar Bhushan | self._reply = None |
30 | 38a9b062 | Shikhar Bhushan | self._reply_event = Event()
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31 | a956ef07 | Shikhar Bhushan | self.listener.register(self._id, self) |
32 | a956ef07 | Shikhar Bhushan | session.add_listener(self.listener)
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33 | 8b4b9936 | Shikhar Bhushan | |
34 | ee4bb099 | Shikhar Bhushan | def _response_cb(self, reply): |
35 | ee4bb099 | Shikhar Bhushan | self._reply = reply
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36 | 589b23e4 | Shikhar Bhushan | self._event.set()
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37 | 38a9b062 | Shikhar Bhushan | |
38 | 8b4b9936 | Shikhar Bhushan | def _do_request(self, op): |
39 | 8b4b9936 | Shikhar Bhushan | self._session.send(RPCBuilder.build(self._id, op)) |
40 | ee4bb099 | Shikhar Bhushan | if not self._async: |
41 | ee4bb099 | Shikhar Bhushan | self._reply_event.wait()
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42 | ee4bb099 | Shikhar Bhushan | return self._reply |
43 | ee4bb099 | Shikhar Bhushan | |
44 | ee4bb099 | Shikhar Bhushan | def request(self): |
45 | ee4bb099 | Shikhar Bhushan | raise NotImplementedError |
46 | ee4bb099 | Shikhar Bhushan | |
47 | ee4bb099 | Shikhar Bhushan | def wait_for_reply(self, timeout=None): |
48 | ee4bb099 | Shikhar Bhushan | self._reply_event.wait(timeout)
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49 | ee4bb099 | Shikhar Bhushan | |
50 | 589b23e4 | Shikhar Bhushan | @property
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51 | 35ad9d81 | Shikhar Bhushan | def has_reply(self): |
52 | 38a9b062 | Shikhar Bhushan | return self._reply_event.isSet() |
53 | 38a9b062 | Shikhar Bhushan | |
54 | 589b23e4 | Shikhar Bhushan | @property
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55 | 35ad9d81 | Shikhar Bhushan | def is_async(self): |
56 | 35ad9d81 | Shikhar Bhushan | return self._async |
57 | 589b23e4 | Shikhar Bhushan | |
58 | 589b23e4 | Shikhar Bhushan | @property
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59 | ee4bb099 | Shikhar Bhushan | def reply(self): |
60 | ee4bb099 | Shikhar Bhushan | return self._reply |
61 | ee4bb099 | Shikhar Bhushan | |
62 | ee4bb099 | Shikhar Bhushan | @property
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63 | 38a9b062 | Shikhar Bhushan | def id(self): |
64 | ee4bb099 | Shikhar Bhushan | return self._id |
65 | ee4bb099 | Shikhar Bhushan | |
66 | ee4bb099 | Shikhar Bhushan | @property
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67 | a956ef07 | Shikhar Bhushan | def listener(self): |
68 | a956ef07 | Shikhar Bhushan | listener = get_listener(self._session)
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69 | a956ef07 | Shikhar Bhushan | |
70 | a956ef07 | Shikhar Bhushan | @property
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71 | ee4bb099 | Shikhar Bhushan | def session(self): |
72 | ee4bb099 | Shikhar Bhushan | return self._session |
73 | ee4bb099 | Shikhar Bhushan | |
74 | ee4bb099 | Shikhar Bhushan | class RPCReply: |
75 | 2acc860a | Shikhar Bhushan | |
76 | 2acc860a | Shikhar Bhushan | class RPCError: |
77 | 2acc860a | Shikhar Bhushan | |
78 | a956ef07 | Shikhar Bhushan | pass
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79 | a956ef07 | Shikhar Bhushan |