Mirrors
/
synapse
mirror of https://github.com/element-hq/synapse.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Add comments

This commit is contained in:
Erik Johnston 2017-01-26 16:30:37 +00:00
parent c974116f19
commit fbfad76c03
4 changed files with 61 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
synapse/handlers/device.py
View File

@ -192,6 +192,9 @@ class DeviceHandler(BaseHandler):
@defer.inlineCallbacks
def notify_device_update(self, user_id, device_ids):
"""Notify that a user's device(s) has changed. Pokes the notifier, and
remote servers if the user is local.
"""
rooms = yield self.store.get_rooms_for_user(user_id)
room_ids = [r.room_id for r in rooms]
@ -210,12 +213,16 @@ class DeviceHandler(BaseHandler):
"device_list_key", position, rooms=room_ids,
)
if hosts:
logger.info("Sending device list update notif to: %r", hosts)
for host in hosts:
self.federation_sender.send_device_messages(host)
@defer.inlineCallbacks
def get_device_list_changes(self, user_id, room_ids, from_key):
"""For a user and their joined rooms, calculate which device updates
we need to return.
"""
room_ids = frozenset(room_ids)
user_ids_changed = set()
@ -236,11 +243,14 @@ class DeviceHandler(BaseHandler):
if get_domain_from_id(user_id) != origin:
# TODO: Raise?
logger.warning("Got device list update edu for %r from %r", user_id, origin)
return
logger.info("Got edu: %r", edu_content)
with (yield self._remote_edue_linearizer.queue(user_id)):
# If the prev id matches whats in our cache table, then we don't need
# to resync the users device list, otherwise we do.
resync = True
if len(prev_ids) == 1:
extremity = yield self.store.get_device_list_remote_extremity(user_id)
@ -249,6 +259,7 @@ class DeviceHandler(BaseHandler):
resync = False
if resync:
# Fetch all devices for the user.
result = yield self.federation.query_user_devices(origin, user_id)
stream_id = result["stream_id"]
devices = result["devices"]
@ -258,6 +269,8 @@ class DeviceHandler(BaseHandler):
device_ids = [device["device_id"] for device in devices]
yield self.notify_device_update(user_id, device_ids)
else:
# Simply update the single device, since we know that is the only
# change (becuase of the single prev_id matching the current cache)
content = dict(edu_content)
for key in ("user_id", "device_id", "stream_id", "prev_ids"):
content.pop(key, None)

4
synapse/handlers/e2e_keys.py
View File

@ -75,7 +75,7 @@ class E2eKeysHandler(object):
else:
remote_queries[user_id] = device_ids
# do the queries
# Firt get local devices.
failures = {}
results = {}
if local_query:
@ -84,6 +84,7 @@ class E2eKeysHandler(object):
if user_id in local_query:
results[user_id] = keys
# Now attempt to get any remote devices from our local cache.
remote_queries_not_in_cache = {}
if remote_queries:
query_list = []
@ -115,6 +116,7 @@ class E2eKeysHandler(object):
r = remote_queries_not_in_cache.setdefault(domain, {})
r[user_id] = remote_queries[user_id]
# Now fetch any devices that we don't have in our cache
@defer.inlineCallbacks
def do_remote_query(destination):
destination_query = remote_queries_not_in_cache[destination]

37
synapse/storage/devices.py
View File

@ -139,6 +139,9 @@ class DeviceStore(SQLBaseStore):
defer.returnValue({d["device_id"]: d for d in devices})
def get_device_list_remote_extremity(self, user_id):
"""Get the last stream_id we got for a user. May be None if we haven't
got any information for them.
"""
return self._simple_select_one_onecol(
table="device_lists_remote_extremeties",
keyvalues={"user_id": user_id},
@ -149,6 +152,8 @@ class DeviceStore(SQLBaseStore):
def update_remote_device_list_cache_entry(self, user_id, device_id, content,
stream_id):
"""Updates a single user's device in the cache.
"""
return self.runInteraction(
"update_remote_device_list_cache_entry",
self._update_remote_device_list_cache_entry_txn,
@ -181,6 +186,8 @@ class DeviceStore(SQLBaseStore):
)
def update_remote_device_list_cache(self, user_id, devices, stream_id):
"""Replace the cache of the remote user's devices.
"""
return self.runInteraction(
"update_remote_device_list_cache",
self._update_remote_device_list_cache_txn,
@ -222,6 +229,11 @@ class DeviceStore(SQLBaseStore):
)
def get_devices_by_remote(self, destination, from_stream_id):
"""Get stream of updates to send to remote servers
Returns:
(now_stream_id, [ { updates }, .. ])
"""
now_stream_id = self._device_list_id_gen.get_current_token()
has_changed = self._device_list_federation_stream_cache.has_entity_changed(
@ -290,6 +302,17 @@ class DeviceStore(SQLBaseStore):
return (now_stream_id, results)
def get_user_devices_from_cache(self, query_list):
"""Get the devices (and keys if any) for remote users from the cache.
Args:
query_list(list): List of (user_id, device_ids), if device_ids is
falsey then return all device ids for that user.
Returns:
(user_ids_not_in_cache, results_map), where user_ids_not_in_cache is
a set of user_ids and results_map is a mapping of
user_id -> device_id -> device_info
"""
return self.runInteraction(
"get_user_devices_from_cache", self._get_user_devices_from_cache_txn,
query_list,
@ -347,6 +370,11 @@ class DeviceStore(SQLBaseStore):
return user_ids_not_in_cache, results
def get_devices_with_keys_by_user(self, user_id):
"""Get all devices (with any device keys) for a user
Returns:
(stream_id, devices)
"""
return self.runInteraction(
"get_devices_with_keys_by_user",
self._get_devices_with_keys_by_user_txn, user_id,
@ -380,6 +408,8 @@ class DeviceStore(SQLBaseStore):
return now_stream_id, []
def mark_as_sent_devices_by_remote(self, destination, stream_id):
"""Mark that updates have successfully been sent to the destination.
"""
return self.runInteraction(
"mark_as_sent_devices_by_remote", self._mark_as_sent_devices_by_remote_txn,
destination, stream_id,
@ -403,6 +433,8 @@ class DeviceStore(SQLBaseStore):
@defer.inlineCallbacks
def get_user_whose_devices_changed(self, from_key):
"""Get set of users whose devices have changed since `from_key`.
"""
from_key = int(from_key)
changed = self._device_list_stream_cache.get_all_entities_changed(from_key)
if changed is not None:
@ -416,8 +448,9 @@ class DeviceStore(SQLBaseStore):
@defer.inlineCallbacks
def add_device_change_to_streams(self, user_id, device_ids, hosts):
# device_lists_stream
# device_lists_outbound_pokes
"""Persist that a user's devices have been updated, and which hosts
(if any) should be poked.
"""
with self._device_list_id_gen.get_next() as stream_id:
yield self.runInteraction(
"add_device_change_to_streams", self._add_device_change_txn,

8
synapse/storage/schema/delta/40/device_list_streams.sql
View File

@ -13,7 +13,7 @@
* limitations under the License.
*/
-- Cache of remote devices.
CREATE TABLE device_lists_remote_cache (
user_id TEXT NOT NULL,
device_id TEXT NOT NULL,
@ -23,6 +23,8 @@ CREATE TABLE device_lists_remote_cache (
CREATE INDEX device_lists_remote_cache_id ON device_lists_remote_cache(user_id, device_id);
-- The last update we got for a user. Empty if we're not receiving updates for
-- that user.
CREATE TABLE device_lists_remote_extremeties (
user_id TEXT NOT NULL,
stream_id TEXT NOT NULL
@ -31,6 +33,7 @@ CREATE TABLE device_lists_remote_extremeties (
CREATE INDEX device_lists_remote_extremeties_id ON device_lists_remote_extremeties(user_id, stream_id);
-- Stream of device lists updates. Includes both local and remotes
CREATE TABLE device_lists_stream (
stream_id BIGINT NOT NULL,
user_id TEXT NOT NULL,
@ -40,6 +43,9 @@ CREATE TABLE device_lists_stream (
CREATE INDEX device_lists_stream_id ON device_lists_stream(stream_id, user_id);
-- The stream of updates to send to other servers. We keep at least one row
-- per user that was sent so that the prev_id for any new updates can be
-- calculated
CREATE TABLE device_lists_outbound_pokes (
destination TEXT NOT NULL,
stream_id BIGINT NOT NULL,