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https://github.com/element-hq/synapse
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4 changed files with 61 additions and 7 deletions
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@ -192,6 +192,9 @@ class DeviceHandler(BaseHandler):
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@defer.inlineCallbacks
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def notify_device_update(self, user_id, device_ids):
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"""Notify that a user's device(s) has changed. Pokes the notifier, and
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remote servers if the user is local.
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"""
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rooms = yield self.store.get_rooms_for_user(user_id)
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room_ids = [r.room_id for r in rooms]
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@ -210,12 +213,16 @@ class DeviceHandler(BaseHandler):
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"device_list_key", position, rooms=room_ids,
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)
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if hosts:
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logger.info("Sending device list update notif to: %r", hosts)
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for host in hosts:
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self.federation_sender.send_device_messages(host)
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@defer.inlineCallbacks
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def get_device_list_changes(self, user_id, room_ids, from_key):
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"""For a user and their joined rooms, calculate which device updates
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we need to return.
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"""
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room_ids = frozenset(room_ids)
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user_ids_changed = set()
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@ -236,11 +243,14 @@ class DeviceHandler(BaseHandler):
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if get_domain_from_id(user_id) != origin:
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# TODO: Raise?
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logger.warning("Got device list update edu for %r from %r", user_id, origin)
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return
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logger.info("Got edu: %r", edu_content)
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with (yield self._remote_edue_linearizer.queue(user_id)):
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# If the prev id matches whats in our cache table, then we don't need
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# to resync the users device list, otherwise we do.
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resync = True
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if len(prev_ids) == 1:
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extremity = yield self.store.get_device_list_remote_extremity(user_id)
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@ -249,6 +259,7 @@ class DeviceHandler(BaseHandler):
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resync = False
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if resync:
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# Fetch all devices for the user.
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result = yield self.federation.query_user_devices(origin, user_id)
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stream_id = result["stream_id"]
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devices = result["devices"]
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@ -258,6 +269,8 @@ class DeviceHandler(BaseHandler):
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device_ids = [device["device_id"] for device in devices]
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yield self.notify_device_update(user_id, device_ids)
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else:
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# Simply update the single device, since we know that is the only
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# change (becuase of the single prev_id matching the current cache)
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content = dict(edu_content)
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for key in ("user_id", "device_id", "stream_id", "prev_ids"):
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content.pop(key, None)
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@ -75,7 +75,7 @@ class E2eKeysHandler(object):
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else:
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remote_queries[user_id] = device_ids
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# do the queries
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# Firt get local devices.
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failures = {}
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results = {}
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if local_query:
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@ -84,6 +84,7 @@ class E2eKeysHandler(object):
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if user_id in local_query:
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results[user_id] = keys
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# Now attempt to get any remote devices from our local cache.
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remote_queries_not_in_cache = {}
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if remote_queries:
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query_list = []
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@ -115,6 +116,7 @@ class E2eKeysHandler(object):
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r = remote_queries_not_in_cache.setdefault(domain, {})
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r[user_id] = remote_queries[user_id]
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# Now fetch any devices that we don't have in our cache
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@defer.inlineCallbacks
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def do_remote_query(destination):
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destination_query = remote_queries_not_in_cache[destination]
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@ -139,6 +139,9 @@ class DeviceStore(SQLBaseStore):
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defer.returnValue({d["device_id"]: d for d in devices})
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def get_device_list_remote_extremity(self, user_id):
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"""Get the last stream_id we got for a user. May be None if we haven't
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got any information for them.
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"""
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return self._simple_select_one_onecol(
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table="device_lists_remote_extremeties",
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keyvalues={"user_id": user_id},
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@ -149,6 +152,8 @@ class DeviceStore(SQLBaseStore):
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def update_remote_device_list_cache_entry(self, user_id, device_id, content,
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stream_id):
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"""Updates a single user's device in the cache.
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"""
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return self.runInteraction(
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"update_remote_device_list_cache_entry",
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self._update_remote_device_list_cache_entry_txn,
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@ -181,6 +186,8 @@ class DeviceStore(SQLBaseStore):
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)
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def update_remote_device_list_cache(self, user_id, devices, stream_id):
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"""Replace the cache of the remote user's devices.
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"""
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return self.runInteraction(
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"update_remote_device_list_cache",
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self._update_remote_device_list_cache_txn,
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@ -222,6 +229,11 @@ class DeviceStore(SQLBaseStore):
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)
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def get_devices_by_remote(self, destination, from_stream_id):
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"""Get stream of updates to send to remote servers
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Returns:
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(now_stream_id, [ { updates }, .. ])
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"""
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now_stream_id = self._device_list_id_gen.get_current_token()
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has_changed = self._device_list_federation_stream_cache.has_entity_changed(
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@ -290,6 +302,17 @@ class DeviceStore(SQLBaseStore):
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return (now_stream_id, results)
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def get_user_devices_from_cache(self, query_list):
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"""Get the devices (and keys if any) for remote users from the cache.
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Args:
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query_list(list): List of (user_id, device_ids), if device_ids is
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falsey then return all device ids for that user.
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Returns:
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(user_ids_not_in_cache, results_map), where user_ids_not_in_cache is
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a set of user_ids and results_map is a mapping of
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user_id -> device_id -> device_info
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"""
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return self.runInteraction(
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"get_user_devices_from_cache", self._get_user_devices_from_cache_txn,
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query_list,
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@ -347,6 +370,11 @@ class DeviceStore(SQLBaseStore):
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return user_ids_not_in_cache, results
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def get_devices_with_keys_by_user(self, user_id):
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"""Get all devices (with any device keys) for a user
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Returns:
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(stream_id, devices)
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"""
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return self.runInteraction(
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"get_devices_with_keys_by_user",
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self._get_devices_with_keys_by_user_txn, user_id,
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@ -380,6 +408,8 @@ class DeviceStore(SQLBaseStore):
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return now_stream_id, []
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def mark_as_sent_devices_by_remote(self, destination, stream_id):
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"""Mark that updates have successfully been sent to the destination.
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"""
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return self.runInteraction(
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"mark_as_sent_devices_by_remote", self._mark_as_sent_devices_by_remote_txn,
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destination, stream_id,
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@ -403,6 +433,8 @@ class DeviceStore(SQLBaseStore):
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@defer.inlineCallbacks
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def get_user_whose_devices_changed(self, from_key):
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"""Get set of users whose devices have changed since `from_key`.
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"""
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from_key = int(from_key)
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changed = self._device_list_stream_cache.get_all_entities_changed(from_key)
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if changed is not None:
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@ -416,8 +448,9 @@ class DeviceStore(SQLBaseStore):
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@defer.inlineCallbacks
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def add_device_change_to_streams(self, user_id, device_ids, hosts):
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# device_lists_stream
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# device_lists_outbound_pokes
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"""Persist that a user's devices have been updated, and which hosts
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(if any) should be poked.
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"""
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with self._device_list_id_gen.get_next() as stream_id:
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yield self.runInteraction(
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"add_device_change_to_streams", self._add_device_change_txn,
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@ -13,7 +13,7 @@
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* limitations under the License.
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*/
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-- Cache of remote devices.
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CREATE TABLE device_lists_remote_cache (
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user_id TEXT NOT NULL,
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device_id TEXT NOT NULL,
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@ -23,6 +23,8 @@ CREATE TABLE device_lists_remote_cache (
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CREATE INDEX device_lists_remote_cache_id ON device_lists_remote_cache(user_id, device_id);
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-- The last update we got for a user. Empty if we're not receiving updates for
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-- that user.
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CREATE TABLE device_lists_remote_extremeties (
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user_id TEXT NOT NULL,
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stream_id TEXT NOT NULL
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@ -31,6 +33,7 @@ CREATE TABLE device_lists_remote_extremeties (
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CREATE INDEX device_lists_remote_extremeties_id ON device_lists_remote_extremeties(user_id, stream_id);
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-- Stream of device lists updates. Includes both local and remotes
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CREATE TABLE device_lists_stream (
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stream_id BIGINT NOT NULL,
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user_id TEXT NOT NULL,
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@ -40,6 +43,9 @@ CREATE TABLE device_lists_stream (
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CREATE INDEX device_lists_stream_id ON device_lists_stream(stream_id, user_id);
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-- The stream of updates to send to other servers. We keep at least one row
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-- per user that was sent so that the prev_id for any new updates can be
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-- calculated
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CREATE TABLE device_lists_outbound_pokes (
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destination TEXT NOT NULL,
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stream_id BIGINT NOT NULL,
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