98 lines
2.8 KiB
Python
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 gevent import pywsgi
|
|
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(pywsgi.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
|