os-ken/ryu/app/wsgi.py
YAMAMOTO Takashi 9e6d3053c0 sweep the tree to change from gevent to ryu.lib.hub
mostly mechanical changes.
also, change the requirement from gevent to eventlet.

Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
2013-05-01 22:18:39 +09:00

98 lines
2.8 KiB
Python

# Copyright (C) 2012 Nippon Telegraph and Telephone Corporation.
# Copyright (C) 2012 Isaku Yamahata <yamahata at private email ne 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 oslo.config import cfg
import webob.dec
from ryu.lib import hub
from routes import Mapper
from routes.util import URLGenerator
CONF = cfg.CONF
CONF.register_cli_opts([
cfg.StrOpt('wsapi-host', default='', help='webapp listen host'),
cfg.IntOpt('wsapi-port', default=8080, help='webapp listen port')
])
HEX_PATTERN = r'0x[0-9a-z]+'
DIGIT_PATTERN = r'[1-9][0-9]*'
class ControllerBase(object):
special_vars = ['action', 'controller']
def __init__(self, req, link, data, **config):
self.req = req
self.link = link
for name, value in config.items():
setattr(self, name, value)
def __call__(self, req):
action = self.req.urlvars.get('action', 'index')
if hasattr(self, '__before__'):
self.__before__()
kwargs = self.req.urlvars.copy()
for attr in self.special_vars:
if attr in kwargs:
del kwargs[attr]
return getattr(self, action)(req, **kwargs)
class WSGIApplication(object):
def __init__(self, **config):
self.config = config
self.mapper = Mapper()
self.registory = {}
super(WSGIApplication, self).__init__()
@webob.dec.wsgify
def __call__(self, req):
match = self.mapper.match(environ=req.environ)
if not match:
return webob.exc.HTTPNotFound()
req.urlvars = match
link = URLGenerator(self.mapper, req.environ)
data = None
name = match['controller'].__name__
if name in self.registory:
data = self.registory[name]
controller = match['controller'](req, link, data, **self.config)
return controller(req)
class WSGIServer(hub.WSGIServer):
def __init__(self, application, **config):
super(WSGIServer, self).__init__((CONF.wsapi_host, CONF.wsapi_port),
application, **config)
def __call__(self):
self.serve_forever()
def start_service(app_mgr):
for instance in app_mgr.contexts.values():
if instance.__class__ == WSGIApplication:
return WSGIServer(instance)
return None