66 lines
2.5 KiB
Python
66 lines
2.5 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright 2011 Citrix System.
|
|
# All Rights Reserved.
|
|
#
|
|
# 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.
|
|
|
|
import logging
|
|
|
|
from webob import exc
|
|
|
|
from quantum.common import wsgi
|
|
|
|
XML_NS_V01 = 'http://netstack.org/quantum/api/v0.1'
|
|
XML_NS_V10 = 'http://netstack.org/quantum/api/v1.0'
|
|
LOG = logging.getLogger('quantum.api.api_common')
|
|
|
|
|
|
class QuantumController(wsgi.Controller):
|
|
""" Base controller class for Quantum API """
|
|
|
|
def __init__(self, plugin):
|
|
self._plugin = plugin
|
|
super(QuantumController, self).__init__()
|
|
|
|
def _parse_request_params(self, req, params):
|
|
results = {}
|
|
for param in params:
|
|
param_name = param['param-name']
|
|
param_value = None
|
|
# 1- parse request body
|
|
if req.body:
|
|
des_body = self._deserialize(req.body,
|
|
req.best_match_content_type())
|
|
data = des_body and des_body.get(self._resource_name, None)
|
|
param_value = data and data.get(param_name, None)
|
|
if not param_value:
|
|
# 2- parse request headers
|
|
# prepend param name with a 'x-' prefix
|
|
param_value = req.headers.get("x-" + param_name, None)
|
|
# 3- parse request query parameters
|
|
if not param_value:
|
|
try:
|
|
param_value = req.str_GET[param_name]
|
|
except KeyError:
|
|
#param not found
|
|
pass
|
|
if not param_value and param['required']:
|
|
msg = ("Failed to parse request. " +
|
|
"Parameter: " + param_name + " not specified")
|
|
for line in msg.split('\n'):
|
|
LOG.error(line)
|
|
raise exc.HTTPBadRequest(msg)
|
|
results[param_name] = param_value or param.get('default-value')
|
|
return results
|