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21 lines
584 B
Python
21 lines
584 B
Python
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import libevent
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import logging
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class Timer(object):
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'''Wraps aroud a libevent timeout event'''
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def __init__(self, ev_base, timeout):
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self._timeout = timeout
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self._evtimer = libevent.Timer(ev_base, self._callback, None)
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self._evtimer.add(timeout) # pylint: disable=E1101
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def _callback(self, evtimer, user_data):
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dummy = user_data
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try:
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self.callback()
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except:
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logging.exception('error in timer callback:')
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evtimer.add(self._timeout)
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def callback(self):
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raise NotImplementedError
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