def _signal_shutdown(self, signum, _):
install_shutdown_handlers(self._signal_kill)
signame = signal_names[signum]
log.msg(format='Received %(signame)s, shutting down gracefully. Send again to force.',
level=log.INFO, signame=signame)
reactor.callFromThread(self.stop)
def _signal_kill(self, signum, _):
install_shutdown_handlers(signal.SIG_IGN)
signame = signal_names[signum]
log.msg(format='Received %(signame)s twice, forcing unclean shutdown.',
level=log.INFO, signame=signame)
reactor.callFromThread(self._stop_reactor)
def __init__(self, engine):
self.engine = engine
install_shutdown_handlers(self._signal_shutdown)
