46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
# Copyright (C) 2011 Nippon Telegraph and Telephone Corporation.
|
|
# Copyright (C) 2011 Isaku Yamahata <yamahata at valinux co jp>
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, version 3 of the License.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import itertools
|
|
import logging
|
|
|
|
from ryu import utils
|
|
from ryu.controller.handler import register_instance
|
|
|
|
LOG = logging.getLogger('ryu.base.app_manager')
|
|
|
|
|
|
class AppManager(object):
|
|
def __init__(self):
|
|
self.applications = {}
|
|
|
|
def load(self, app_mod_name, *args, **kwargs):
|
|
# for now, only single instance of a given module
|
|
# Do we need to support multiple instances?
|
|
# Yes, maybe for slicing.
|
|
assert app_mod_name not in self.applications
|
|
|
|
cls = utils.import_object(app_mod_name)
|
|
app = cls(*args, **kwargs)
|
|
register_instance(app)
|
|
|
|
self.applications[app_mod_name] = app
|
|
|
|
def load_apps(self, app_lists, *args, **kwargs):
|
|
for app in itertools.chain.from_iterable([app_list.split(',')
|
|
for app_list in app_lists]):
|
|
self.load(app, *args, **kwargs)
|
|
LOG.info('loading app %s', app)
|