1a15292cf2
* To build the query strings; * to build content_location; * and to ensure the type of the HTTP parameters. Implements: blueprint transport-wsgi Change-Id: Ibc06d68e43313e842854f08a8bff010624e7516c
140 lines
4.5 KiB
Python
140 lines
4.5 KiB
Python
# Copyright (c) 2013 Rackspace, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import falcon
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from marconi.storage import exceptions
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from marconi.transport import helpers
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class CollectionResource(object):
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__slots__ = ('msg_ctrl')
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def __init__(self, message_controller):
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self.msg_ctrl = message_controller
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def on_post(self, req, resp, tenant_id, queue_name):
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uuid = req.get_header('Client-ID', required=True)
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if req.content_length is None or req.content_length == 0:
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raise falcon.HTTPBadRequest(_('Bad request'),
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_('Missing message contents.'))
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def filtered(ls):
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try:
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if len(ls) < 1:
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raise helpers.MalformedJSON
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for m in ls:
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#TODO(zyuan): verify the TTL values
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yield {'ttl': m['ttl'], 'body': m['body']}
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except Exception:
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raise helpers.MalformedJSON
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try:
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ls = filtered(helpers.read_json(req.stream))
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ns = self.msg_ctrl.post(queue_name,
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messages=ls,
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tenant=tenant_id,
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client_uuid=uuid)
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resp.location = req.path + '/' + ','.join(
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[n.encode('utf-8') for n in ns])
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resp.status = falcon.HTTP_201
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except helpers.MalformedJSON:
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raise falcon.HTTPBadRequest(_('Bad request'),
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_('Malformed messages.'))
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except exceptions.DoesNotExist:
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raise falcon.HTTPNotFound
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def on_get(self, req, resp, tenant_id, queue_name):
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uuid = req.get_header('Client-ID', required=True)
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#TODO(zyuan): where do we define the limits?
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kwargs = {
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'marker': req.get_param('marker'),
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'limit': req.get_param_as_int('limit'),
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'echo': req.get_param_as_bool('echo'),
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}
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kwargs = dict([(k, v) for k, v in kwargs.items()
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if v is not None])
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resp_dict = {}
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try:
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msgs = self.msg_ctrl.list(queue_name,
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tenant=tenant_id,
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client_uuid=uuid,
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**kwargs)
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resp_dict['messages'] = list(msgs)
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except exceptions.DoesNotExist:
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raise falcon.HTTPNotFound
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if len(resp_dict['messages']) != 0:
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kwargs['marker'] = resp_dict['messages'][-1]['marker']
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for m in resp_dict['messages']:
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m.pop('marker')
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resp_dict['links'] = [
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{
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'rel': 'next',
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'href': req.path + falcon.to_query_str(kwargs)
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}
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]
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resp.content_location = req.relative_uri
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resp.body = helpers.to_json(resp_dict)
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resp.status = falcon.HTTP_200
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else:
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resp.status = falcon.HTTP_204
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class ItemResource(object):
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__slots__ = ('msg_ctrl')
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def __init__(self, message_controller):
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self.msg_ctrl = message_controller
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def on_get(self, req, resp, tenant_id, queue_name, message_id):
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try:
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msg = self.msg_ctrl.get(queue_name,
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message_id=message_id,
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tenant=tenant_id)
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resp.content_location = req.relative_uri
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resp.body = helpers.to_json(msg)
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resp.status = falcon.HTTP_200
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except exceptions.DoesNotExist:
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raise falcon.HTTPNotFound
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def on_delete(self, req, resp, tenant_id, queue_name, message_id):
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try:
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self.msg_ctrl.delete(queue_name,
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message_id=message_id,
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tenant=tenant_id,
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claim=req.get_param('claim_id'))
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resp.status = falcon.HTTP_204
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except exceptions.NotPermitted:
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resp.status = falcon.HTTP_403
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