def _inspect_inactive_children(sid):
#print "inspection...{}".format(sid)
s_obj = WebServerModel.objects(sid=sid)
children = s_obj.get().children
if children:
for child in children:
#logger.info(child.last_access)
#logger.info(api._get_current_time())
if api._get_unix_from_datetime(
api._get_current_time())-api._get_unix_from_datetime(
child.last_access)>api.TIME_DETERMINE_INACTIVE:
logger.info(child.nid+" -> user logged out")
## pull inactive user
s_obj.update_one(pull__children__nid=child.nid)
s_obj.get().save()
## notify all clients about inactive user
message = json.dumps(
{
'action':api._ACTION_KEYS[2],
'data':{
"nid":child.nid,
}
})
## remove lock on shared resource if the inactive child is holding it
if q.get(api.RES_HOLDER) == child.nid:
logger.info("logging out user had locks")
_coordinate_acc_to_res(sid, child.nid,
api._ACTION_KEYS[6])
_broadcast_to_nodes(api.EXCHANGE_FOR_ALL,
api.encrypt_msg(s_obj.scalar('common_key_public').get(),
message))
_make_log(api._ACTION_KEYS[2], sid, child.nid)
## TODO: try deamon thread
threading.Timer(api.INSPECTION_TIME_INTERVAL, _inspect_inactive_children, [sid]).start()
def get_user_list(sid):
if _coordinate_acc_to_res(sid=sid):
if _upload_user_sessions():
## TODO: try with mongodb query but this requires to
## handle obtain 'modified' and convert into unix timestamp to compare
## within the query
users = map(lambda x:{
'user_name':json.loads(x.user_data)['user_name'],
'modified':x['modified'],
'ssid':x['ssid']
} if api._get_unix_from_datetime(
api._get_current_time())-api._get_unix_from_datetime(
x.modified)<api.TIME_DETERMINE_USER_ACTIVE else None,
UserSessions.objects.all())
# release resource lock
_coordinate_acc_to_res(sid, sid,
api._ACTION_KEYS[6])
# return list of lately active users by removing None values
return filter(None, users)
else:
# release resource lock
_coordinate_acc_to_res(sid, sid,
api._ACTION_KEYS[6])
else:
users = map(lambda x:{
'user_name':json.loads(x.user_data)['user_name'],
'modified':x['modified'],
'ssid':x['ssid']
} if api._get_unix_from_datetime(
api._get_current_time())-api._get_unix_from_datetime(
x.modified)<api.TIME_DETERMINE_USER_ACTIVE else None,
Sessions.objects.all())
return filter(None, users)
return None
