

def _start_core(self, settings):
    'Starts BGPS core using setting and given pool.\n        '
    routing_settings = settings.BGP.get('routing')
    common_settings = {
        
    }
    try:
        common_settings[LOCAL_AS] = routing_settings.pop(LOCAL_AS)
        common_settings[ROUTER_ID] = settings.pop(ROUTER_ID)
    except KeyError as e:
        raise ApplicationException(desc=('Required minimum configuration missing %s' % e))
    common_settings[BGP_SERVER_PORT] = routing_settings.get(BGP_SERVER_PORT, DEFAULT_BGP_SERVER_PORT)
    common_settings[REFRESH_STALEPATH_TIME] = routing_settings.get(REFRESH_STALEPATH_TIME, DEFAULT_REFRESH_STALEPATH_TIME)
    common_settings[REFRESH_MAX_EOR_TIME] = routing_settings.get(REFRESH_MAX_EOR_TIME, DEFAULT_REFRESH_MAX_EOR_TIME)
    common_settings[LABEL_RANGE] = routing_settings.get(LABEL_RANGE, DEFAULT_LABEL_RANGE)
    waiter = hub.Event()
    call('core.start', waiter=waiter, **common_settings)
    waiter.wait()
    LOG.debug('Core started %s', CORE_MANAGER.started)
    if CORE_MANAGER.started:
        self._add_neighbors(routing_settings)
        self._add_vrfs(routing_settings)
        self._add_networks(routing_settings)

dataset/ETHPy150Open osrg/ryu/ryu/services/protocols/bgp/application.py RyuBGPSpeaker._start_core/VarMisuse@53/96 `routing_settings`->`settings`