Start phasing out HttpServer: we should be using Resources instead. Added resource_for_client/federation/web_client to the HomeServer and hooked the C-S servlets to operate on resource_for_client. Dynamically construct the Resource tree.

This commit is contained in:
Kegan Dougal 2014-08-14 09:52:20 +01:00
parent e7736668ba
commit 9f863d3466
7 changed files with 101 additions and 21 deletions

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@ -21,8 +21,12 @@ from synapse.server import HomeServer
from twisted.internet import reactor
from twisted.enterprise import adbapi
from twisted.python.log import PythonLoggingObserver
from synapse.http.server import TwistedHttpServer
from twisted.web.resource import Resource
from twisted.web.static import File
from twisted.web.server import Site
from synapse.http.server import TwistedHttpServer, JsonResource
from synapse.http.client import TwistedHttpClient
from synapse.rest.base import CLIENT_PREFIX
from daemonize import Daemonize
@ -41,6 +45,15 @@ class SynapseHomeServer(HomeServer):
def build_http_client(self):
return TwistedHttpClient()
def build_resource_for_client(self):
return JsonResource()
def build_resource_for_federation(self):
return JsonResource()
def build_resource_for_web_client(self):
return File("webclient")
def build_db_pool(self):
""" Set up all the dbs. Since all the *.sql have IF NOT EXISTS, so we
don't have to worry about overwriting existing content.
@ -73,6 +86,65 @@ class SynapseHomeServer(HomeServer):
return pool
def create_resource_tree(self):
"""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.
"""
desired_tree = ( # list of tuples containing (path_str, Resource)
("/matrix/client", self.get_resource_for_web_client()),
(CLIENT_PREFIX, self.get_resource_for_client())
)
self.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, resource) in desired_tree:
logging.info("Attaching %s to path %s", resource, full_path)
last_resource = self.root_resource
for path_seg in full_path.split('/')[1:-1]:
if not path_seg in last_resource.listNames():
# resource doesn't exist
child_resource = Resource()
last_resource.putChild(path_seg, child_resource)
res_id = self._resource_id(last_resource, path_seg)
resource_mappings[res_id] = child_resource
last_resource = child_resource
else:
# we have an existing Resource, pull it out.
res_id = self._resource_id(last_resource, path_seg)
last_resource = resource_mappings[res_id]
# now attach the actual resource
last_path_seg = full_path.split('/')[-1]
last_resource.putChild(last_path_seg, resource)
res_id = self._resource_id(last_resource, last_path_seg)
resource_mappings[res_id] = resource
return self.root_resource
def _resource_id(self, 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* Resource
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 start_listening(self, port):
reactor.listenTCP(port, Site(self.root_resource))
def setup_logging(verbosity=0, filename=None, config_path=None):
""" Sets up logging with verbosity levels.
@ -150,7 +222,8 @@ def setup():
hs.register_servlets()
hs.get_http_server().start_listening(args.port)
hs.create_resource_tree()
hs.start_listening(args.port)
hs.build_db_pool()

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@ -185,3 +185,8 @@ def respond_with_json_bytes(request, code, json_bytes, send_cors=False):
request.write(json_bytes)
request.finish()
return NOT_DONE_YET
# FIXME: Temp, just so the new name can be used without breaking the world.
class JsonResource(TwistedHttpServer):
pass

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@ -32,19 +32,15 @@ class RestServletFactory(object):
"""
def __init__(self, hs):
http_server = hs.get_http_server()
client_resource = hs.get_resource_for_client()
# TODO(erikj): There *must* be a better way of doing this.
room.register_servlets(hs, http_server)
events.register_servlets(hs, http_server)
register.register_servlets(hs, http_server)
login.register_servlets(hs, http_server)
profile.register_servlets(hs, http_server)
public.register_servlets(hs, http_server)
presence.register_servlets(hs, http_server)
im.register_servlets(hs, http_server)
directory.register_servlets(hs, http_server)
def register_web_client(self, hs):
http_server = hs.get_http_server()
webclient.register_servlets(hs, http_server)
room.register_servlets(hs, client_resource)
events.register_servlets(hs, client_resource)
register.register_servlets(hs, client_resource)
login.register_servlets(hs, client_resource)
profile.register_servlets(hs, client_resource)
public.register_servlets(hs, client_resource)
presence.register_servlets(hs, client_resource)
im.register_servlets(hs, client_resource)
directory.register_servlets(hs, client_resource)

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@ -16,6 +16,8 @@
""" This module contains base REST classes for constructing REST servlets. """
import re
CLIENT_PREFIX = "/matrix/client/api/v1"
def client_path_pattern(path_regex):
"""Creates a regex compiled client path with the correct client path
@ -27,7 +29,7 @@ def client_path_pattern(path_regex):
Returns:
SRE_Pattern
"""
return re.compile("^/matrix/client/api/v1" + path_regex)
return re.compile("^" + CLIENT_PREFIX + path_regex)
class RestServlet(object):

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@ -70,6 +70,9 @@ class BaseHomeServer(object):
'room_lock_manager',
'notifier',
'distributor',
'resource_for_client',
'resource_for_federation',
'resource_for_web_client',
]
def __init__(self, hostname, **kwargs):
@ -178,9 +181,6 @@ class HomeServer(BaseHomeServer):
def register_servlets(self):
""" Register all servlets associated with this HomeServer.
Args:
host_web_client (bool): True to host the web client as well.
"""
# Simply building the ServletFactory is sufficient to have it register
factory = self.get_rest_servlet_factory()
self.get_rest_servlet_factory()

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@ -51,6 +51,7 @@ class PresenceStateTestCase(unittest.TestCase):
hs = HomeServer("test",
db_pool=None,
http_client=None,
resource_for_client=self.mock_server,
http_server=self.mock_server,
)
@ -108,6 +109,7 @@ class PresenceListTestCase(unittest.TestCase):
hs = HomeServer("test",
db_pool=None,
http_client=None,
resource_for_client=self.mock_server,
http_server=self.mock_server,
)
@ -184,6 +186,7 @@ class PresenceEventStreamTestCase(unittest.TestCase):
db_pool=None,
http_client=None,
http_server=self.mock_server,
resource_for_client=self.mock_server,
datastore=Mock(spec=[
"set_presence_state",
"get_presence_list",

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@ -44,6 +44,7 @@ class ProfileTestCase(unittest.TestCase):
db_pool=None,
http_client=None,
http_server=self.mock_server,
resource_for_client=self.mock_server,
federation=Mock(),
replication_layer=Mock(),
)