multiplayer.py 文件源码

def update_locallist(listb, refresh_lock):
    global UPDATE_LOCALSERVERS
    cached = dict()
    durable_duration = 5
    while UPDATE_LOCALSERVERS:
        toremove = []
        for item in cached:
            if cached[item] > durable_duration:
                toremove.append(item)
            cached[item] += 1
        for item in toremove:
            del cached[item]
        info = zeroconf_info()
        for item in info:
            cached[item] = 0
        if not UPDATE_LOCALSERVERS: break
        logging.debug('Acquiring refresh lock for updating list of local servers.')
        refresh_lock.acquire()
        listb.update_items(cached.keys())
        refresh_lock.release()
        logging.debug('Releasing refresh lock after updating locla server list')