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Merge branch 'develop' into markjh/split_out_site.py

Browse source 
Conflicts:
	synapse/app/homeserver.py
This commit is contained in:
Mark Haines 2016-04-22 16:26:57 +01:00
commit 62607d5452
2 changed files with 105 additions and 82 deletions
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89
synapse/app/homeserver.py
View file

@ -63,6 +63,7 @@ from synapse.federation.transport.server import TransportLayerServer
from synapse.util.rlimit import change_resource_limit
from synapse.util.versionstring import get_version_string
from synapse.util.httpresourcetree import create_resource_tree
from synapse.http.site import SynapseSite
@ -170,7 +171,12 @@ class SynapseHomeServer(HomeServer):
if name == "replication":
resources[REPLICATION_PREFIX] = ReplicationResource(self)
root_resource = create_resource_tree(resources)
if WEB_CLIENT_PREFIX in resources:
root_resource = RootRedirect(WEB_CLIENT_PREFIX)
else:
root_resource = Resource()
root_resource = create_resource_tree(resources, root_resource)
if tls:
reactor.listenSSL(
port,
@ -367,87 +373,6 @@ class SynapseService(service.Service):
return self._port.stopListening()
def create_resource_tree(desired_tree, redirect_root_to_web_client=True):
"""Create the resource tree for this Home Server.
This in unduly complicated because Twisted does not support putting
child resources more than 1 level deep at a time.
Args:
web_client (bool): True to enable the web client.
redirect_root_to_web_client (bool): True to redirect '/' to the
location of the web client. This does nothing if web_client is not
True.
"""
if redirect_root_to_web_client and WEB_CLIENT_PREFIX in desired_tree:
root_resource = RootRedirect(WEB_CLIENT_PREFIX)
else:
root_resource = Resource()
# ideally we'd just use getChild and putChild but getChild doesn't work
# unless you give it a Request object IN ADDITION to the name :/ So
# instead, we'll store a copy of this mapping so we can actually add
# extra resources to existing nodes. See self._resource_id for the key.
resource_mappings = {}
for full_path, res in desired_tree.items():
logger.info("Attaching %s to path %s", res, full_path)
last_resource = root_resource
for path_seg in full_path.split('/')[1:-1]:
if path_seg not in last_resource.listNames():
# resource doesn't exist, so make a "dummy resource"
child_resource = Resource()
last_resource.putChild(path_seg, child_resource)
res_id = _resource_id(last_resource, path_seg)
resource_mappings[res_id] = child_resource
last_resource = child_resource
else:
# we have an existing Resource, use that instead.
res_id = _resource_id(last_resource, path_seg)
last_resource = resource_mappings[res_id]
# ===========================
# now attach the actual desired resource
last_path_seg = full_path.split('/')[-1]
# if there is already a resource here, thieve its children and
# replace it
res_id = _resource_id(last_resource, last_path_seg)
if res_id in resource_mappings:
# there is a dummy resource at this path already, which needs
# to be replaced with the desired resource.
existing_dummy_resource = resource_mappings[res_id]
for child_name in existing_dummy_resource.listNames():
child_res_id = _resource_id(
existing_dummy_resource, child_name
)
child_resource = resource_mappings[child_res_id]
# steal the children
res.putChild(child_name, child_resource)
# finally, insert the desired resource in the right place
last_resource.putChild(last_path_seg, res)
res_id = _resource_id(last_resource, last_path_seg)
resource_mappings[res_id] = res
return root_resource
def _resource_id(resource, path_seg):
"""Construct an arbitrary resource ID so you can retrieve the mapping
later.
If you want to represent resource A putChild resource B with path C,
the mapping should looks like _resource_id(A,C) = B.
Args:
resource (Resource): The *parent* Resourceb
path_seg (str): The name of the child Resource to be attached.
Returns:
str: A unique string which can be a key to the child Resource.
"""
return "%s-%s" % (resource, path_seg)
def run(hs):
PROFILE_SYNAPSE = False
if PROFILE_SYNAPSE:

98
synapse/util/httpresourcetree.py Normal file
View file

@ -0,0 +1,98 @@
# Copyright 2016 OpenMarket Ltd
#
# 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 twisted.web.resource import Resource
import logging
logger = logging.getLogger(__name__)
def create_resource_tree(desired_tree, root_resource):
"""Create the resource tree for this Home Server.
This in unduly complicated because Twisted does not support putting
child resources more than 1 level deep at a time.
Args:
web_client (bool): True to enable the web client.
root_resource (twisted.web.resource.Resource): The root
resource to add the tree to.
Returns:
twisted.web.resource.Resource: the ``root_resource`` with a tree of
child resources added to it.
"""
# ideally we'd just use getChild and putChild but getChild doesn't work
# unless you give it a Request object IN ADDITION to the name :/ So
# instead, we'll store a copy of this mapping so we can actually add
# extra resources to existing nodes. See self._resource_id for the key.
resource_mappings = {}
for full_path, res in desired_tree.items():
logger.info("Attaching %s to path %s", res, full_path)
last_resource = root_resource
for path_seg in full_path.split('/')[1:-1]:
if path_seg not in last_resource.listNames():
# resource doesn't exist, so make a "dummy resource"
child_resource = Resource()
last_resource.putChild(path_seg, child_resource)
res_id = _resource_id(last_resource, path_seg)
resource_mappings[res_id] = child_resource
last_resource = child_resource
else:
# we have an existing Resource, use that instead.
res_id = _resource_id(last_resource, path_seg)
last_resource = resource_mappings[res_id]
# ===========================
# now attach the actual desired resource
last_path_seg = full_path.split('/')[-1]
# if there is already a resource here, thieve its children and
# replace it
res_id = _resource_id(last_resource, last_path_seg)
if res_id in resource_mappings:
# there is a dummy resource at this path already, which needs
# to be replaced with the desired resource.
existing_dummy_resource = resource_mappings[res_id]
for child_name in existing_dummy_resource.listNames():
child_res_id = _resource_id(
existing_dummy_resource, child_name
)
child_resource = resource_mappings[child_res_id]
# steal the children
res.putChild(child_name, child_resource)
# finally, insert the desired resource in the right place
last_resource.putChild(last_path_seg, res)
res_id = _resource_id(last_resource, last_path_seg)
resource_mappings[res_id] = res
return root_resource
def _resource_id(resource, path_seg):
"""Construct an arbitrary resource ID so you can retrieve the mapping
later.
If you want to represent resource A putChild resource B with path C,
the mapping should looks like _resource_id(A,C) = B.
Args:
resource (Resource): The *parent* Resourceb
path_seg (str): The name of the child Resource to be attached.
Returns:
str: A unique string which can be a key to the child Resource.
"""
return "%s-%s" % (resource, path_seg)