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#!/usr/bin/env python
#
# Copyright (C) 2011, 2012 Nippon Telegraph and Telephone Corporation.
# Copyright (C) 2011 Isaku Yamahata <yamahata at valinux co jp>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from ryu.lib import hub
hub.patch(thread=False)
# TODO:
# Right now, we have our own patched copy of ovs python bindings
# Once our modification is upstreamed and widely deployed,
# use it
#
# NOTE: this modifies sys.path and thus affects the following imports.
import ryu.contrib
ryu.contrib.update_module_path()
from ryu import cfg
import logging
import sys
from ryu import log
log.early_init_log(logging.DEBUG)
from ryu import flags
from ryu import version
from ryu.app import wsgi
from ryu.base.app_manager import AppManager
from ryu.controller import controller
from ryu.topology import switches
CONF = cfg.CONF
CONF.register_cli_opts([
cfg.ListOpt('app-lists', default=[],
help='application module name to run'),
cfg.MultiStrOpt('app', positional=True, default=[],
help='application module name to run'),
cfg.StrOpt('pid-file', default=None, help='pid file name'),
cfg.BoolOpt('enable-debugger', default=False,
help='don\'t overwrite Python standard threading library'
'(use only for debugging)'),
])
def main(args=None, prog=None):
try:
CONF(args=args, prog=prog,
project='ryu', version='ryu-manager %s' % version,
default_config_files=['/usr/local/etc/ryu/ryu.conf'])
except cfg.ConfigFilesNotFoundError:
CONF(args=args, prog=prog,
project='ryu', version='ryu-manager %s' % version)
log.init_log()
if CONF.enable_debugger:
LOG = logging.getLogger('ryu.cmd.manager')
msg = 'debugging is available (--enable-debugger option is turned on)'
LOG.info(msg)
else:
hub.patch(thread=True)
if CONF.pid_file:
import os
with open(CONF.pid_file, 'w') as pid_file:
pid_file.write(str(os.getpid()))
app_lists = CONF.app_lists + CONF.app
# keep old behaivor, run ofp if no application is specified.
if not app_lists:
app_lists = ['ryu.controller.ofp_handler']
app_mgr = AppManager.get_instance()
app_mgr.load_apps(app_lists)
contexts = app_mgr.create_contexts()
services = []
services.extend(app_mgr.instantiate_apps(**contexts))
webapp = wsgi.start_service(app_mgr)
if webapp:
thr = hub.spawn(webapp)
services.append(thr)
try:
hub.joinall(services)
finally:
app_mgr.close()
if __name__ == "__main__":
main()
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