Revision 35ad9d81 ncclient/session.py
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# limitations under the License. |
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import logging |
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from threading import Thread, Event |
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from Queue import Queue |
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from error import ClientError |
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from content import hello |
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from listener import Subject |
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from capability import CAPABILITIES |
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from content import hello |
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from error import ClientError |
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from subject import Subject |
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logger = logging.getLogger('ncclient.session')
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class SessionError(ClientError): pass |
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class SessionError(ClientError): |
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pass |
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class Session(Thread, Subject): |
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self._init_event = Event() |
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self._q = Queue() |
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def _close(self): |
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self._connected = False |
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def _init(self): |
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self._connected = True |
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# start the subclass' main loop |
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self.start() |
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# queue client's hello message for sending |
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self.send(hello.make(self._client_capabilities)) |
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# we expect server's hello message, wait for _init_event to be set by HelloListener |
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self._init_event.wait() |
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# there may have been an error |
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if self._error: |
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self._close() |
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raise self._error |
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def connect(self): |
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raise NotImplementedError |
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### Properties |
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@property |
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def client_capabilities(self): return self._client_capabilities |
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def client_capabilities(self): |
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return self._client_capabilities |
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@property |
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def serve_capabilities(self): return self._server_capabilities |
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def serve_capabilities(self): |
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return self._server_capabilities |
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@property |
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def connected(self): return self._connected |
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def connected(self): |
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return self._connected |
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@property |
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def id(self): return self._id |
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def id(self): |
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return self._id |
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class HelloListener: |
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| ... | ... | |
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def close(self, err): |
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self._done(err) |
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### Methods for which subclasses should call super after they are done |
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def _connect(self): |
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self._connected = True |
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# start the subclass' main loop |
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self.start() |
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# queue client's hello message for sending |
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self.send(hello.make(self._client_capabilities)) |
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# we expect server's hello message, wait for _init_event to be set by HelloListener |
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self._init_event.wait() |
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# there may have been an error |
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if self._error: |
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self._close() |
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raise self._error |
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def _close(self): |
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self._connected = False |
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