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-rw-r--r--synapse/handlers/device.py342
-rw-r--r--synapse/server.py7
2 files changed, 179 insertions, 170 deletions
diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py
index c708c35d4d..7e48661355 100644
--- a/synapse/handlers/device.py
+++ b/synapse/handlers/device.py
@@ -37,13 +37,185 @@ from ._base import BaseHandler
 logger = logging.getLogger(__name__)
 
 
-class DeviceHandler(BaseHandler):
+class DeviceWorkerHandler(BaseHandler):
     def __init__(self, hs):
-        super(DeviceHandler, self).__init__(hs)
+        super(DeviceWorkerHandler, self).__init__(hs)
 
         self.hs = hs
         self.state = hs.get_state_handler()
         self._auth_handler = hs.get_auth_handler()
+
+    @defer.inlineCallbacks
+    def get_devices_by_user(self, user_id):
+        """
+        Retrieve the given user's devices
+
+        Args:
+            user_id (str):
+        Returns:
+            defer.Deferred: list[dict[str, X]]: info on each device
+        """
+
+        device_map = yield self.store.get_devices_by_user(user_id)
+
+        ips = yield self.store.get_last_client_ip_by_device(
+            user_id, device_id=None
+        )
+
+        devices = list(device_map.values())
+        for device in devices:
+            _update_device_from_client_ips(device, ips)
+
+        defer.returnValue(devices)
+
+    @defer.inlineCallbacks
+    def get_device(self, user_id, device_id):
+        """ Retrieve the given device
+
+        Args:
+            user_id (str):
+            device_id (str):
+
+        Returns:
+            defer.Deferred: dict[str, X]: info on the device
+        Raises:
+            errors.NotFoundError: if the device was not found
+        """
+        try:
+            device = yield self.store.get_device(user_id, device_id)
+        except errors.StoreError:
+            raise errors.NotFoundError
+        ips = yield self.store.get_last_client_ip_by_device(
+            user_id, device_id,
+        )
+        _update_device_from_client_ips(device, ips)
+        defer.returnValue(device)
+
+    @measure_func("device.get_user_ids_changed")
+    @defer.inlineCallbacks
+    def get_user_ids_changed(self, user_id, from_token):
+        """Get list of users that have had the devices updated, or have newly
+        joined a room, that `user_id` may be interested in.
+
+        Args:
+            user_id (str)
+            from_token (StreamToken)
+        """
+        now_token = yield self.hs.get_event_sources().get_current_token()
+
+        room_ids = yield self.store.get_rooms_for_user(user_id)
+
+        # First we check if any devices have changed
+        changed = yield self.store.get_user_whose_devices_changed(
+            from_token.device_list_key
+        )
+
+        # Then work out if any users have since joined
+        rooms_changed = self.store.get_rooms_that_changed(room_ids, from_token.room_key)
+
+        member_events = yield self.store.get_membership_changes_for_user(
+            user_id, from_token.room_key, now_token.room_key,
+        )
+        rooms_changed.update(event.room_id for event in member_events)
+
+        stream_ordering = RoomStreamToken.parse_stream_token(
+            from_token.room_key
+        ).stream
+
+        possibly_changed = set(changed)
+        possibly_left = set()
+        for room_id in rooms_changed:
+            current_state_ids = yield self.store.get_current_state_ids(room_id)
+
+            # The user may have left the room
+            # TODO: Check if they actually did or if we were just invited.
+            if room_id not in room_ids:
+                for key, event_id in iteritems(current_state_ids):
+                    etype, state_key = key
+                    if etype != EventTypes.Member:
+                        continue
+                    possibly_left.add(state_key)
+                continue
+
+            # Fetch the current state at the time.
+            try:
+                event_ids = yield self.store.get_forward_extremeties_for_room(
+                    room_id, stream_ordering=stream_ordering
+                )
+            except errors.StoreError:
+                # we have purged the stream_ordering index since the stream
+                # ordering: treat it the same as a new room
+                event_ids = []
+
+            # special-case for an empty prev state: include all members
+            # in the changed list
+            if not event_ids:
+                for key, event_id in iteritems(current_state_ids):
+                    etype, state_key = key
+                    if etype != EventTypes.Member:
+                        continue
+                    possibly_changed.add(state_key)
+                continue
+
+            current_member_id = current_state_ids.get((EventTypes.Member, user_id))
+            if not current_member_id:
+                continue
+
+            # mapping from event_id -> state_dict
+            prev_state_ids = yield self.store.get_state_ids_for_events(event_ids)
+
+            # Check if we've joined the room? If so we just blindly add all the users to
+            # the "possibly changed" users.
+            for state_dict in itervalues(prev_state_ids):
+                member_event = state_dict.get((EventTypes.Member, user_id), None)
+                if not member_event or member_event != current_member_id:
+                    for key, event_id in iteritems(current_state_ids):
+                        etype, state_key = key
+                        if etype != EventTypes.Member:
+                            continue
+                        possibly_changed.add(state_key)
+                    break
+
+            # If there has been any change in membership, include them in the
+            # possibly changed list. We'll check if they are joined below,
+            # and we're not toooo worried about spuriously adding users.
+            for key, event_id in iteritems(current_state_ids):
+                etype, state_key = key
+                if etype != EventTypes.Member:
+                    continue
+
+                # check if this member has changed since any of the extremities
+                # at the stream_ordering, and add them to the list if so.
+                for state_dict in itervalues(prev_state_ids):
+                    prev_event_id = state_dict.get(key, None)
+                    if not prev_event_id or prev_event_id != event_id:
+                        if state_key != user_id:
+                            possibly_changed.add(state_key)
+                        break
+
+        if possibly_changed or possibly_left:
+            users_who_share_room = yield self.store.get_users_who_share_room_with_user(
+                user_id
+            )
+
+            # Take the intersection of the users whose devices may have changed
+            # and those that actually still share a room with the user
+            possibly_joined = possibly_changed & users_who_share_room
+            possibly_left = (possibly_changed | possibly_left) - users_who_share_room
+        else:
+            possibly_joined = []
+            possibly_left = []
+
+        defer.returnValue({
+            "changed": list(possibly_joined),
+            "left": list(possibly_left),
+        })
+
+
+class DeviceHandler(DeviceWorkerHandler):
+    def __init__(self, hs):
+        super(DeviceHandler, self).__init__(hs)
+
         self.federation_sender = hs.get_federation_sender()
 
         self._edu_updater = DeviceListEduUpdater(hs, self)
@@ -104,52 +276,6 @@ class DeviceHandler(BaseHandler):
         raise errors.StoreError(500, "Couldn't generate a device ID.")
 
     @defer.inlineCallbacks
-    def get_devices_by_user(self, user_id):
-        """
-        Retrieve the given user's devices
-
-        Args:
-            user_id (str):
-        Returns:
-            defer.Deferred: list[dict[str, X]]: info on each device
-        """
-
-        device_map = yield self.store.get_devices_by_user(user_id)
-
-        ips = yield self.store.get_last_client_ip_by_device(
-            user_id, device_id=None
-        )
-
-        devices = list(device_map.values())
-        for device in devices:
-            _update_device_from_client_ips(device, ips)
-
-        defer.returnValue(devices)
-
-    @defer.inlineCallbacks
-    def get_device(self, user_id, device_id):
-        """ Retrieve the given device
-
-        Args:
-            user_id (str):
-            device_id (str):
-
-        Returns:
-            defer.Deferred: dict[str, X]: info on the device
-        Raises:
-            errors.NotFoundError: if the device was not found
-        """
-        try:
-            device = yield self.store.get_device(user_id, device_id)
-        except errors.StoreError:
-            raise errors.NotFoundError
-        ips = yield self.store.get_last_client_ip_by_device(
-            user_id, device_id,
-        )
-        _update_device_from_client_ips(device, ips)
-        defer.returnValue(device)
-
-    @defer.inlineCallbacks
     def delete_device(self, user_id, device_id):
         """ Delete the given device
 
@@ -287,126 +413,6 @@ class DeviceHandler(BaseHandler):
             for host in hosts:
                 self.federation_sender.send_device_messages(host)
 
-    @measure_func("device.get_user_ids_changed")
-    @defer.inlineCallbacks
-    def get_user_ids_changed(self, user_id, from_token):
-        """Get list of users that have had the devices updated, or have newly
-        joined a room, that `user_id` may be interested in.
-
-        Args:
-            user_id (str)
-            from_token (StreamToken)
-        """
-        now_token = yield self.hs.get_event_sources().get_current_token()
-
-        room_ids = yield self.store.get_rooms_for_user(user_id)
-
-        # First we check if any devices have changed
-        changed = yield self.store.get_user_whose_devices_changed(
-            from_token.device_list_key
-        )
-
-        # Then work out if any users have since joined
-        rooms_changed = self.store.get_rooms_that_changed(room_ids, from_token.room_key)
-
-        member_events = yield self.store.get_membership_changes_for_user(
-            user_id, from_token.room_key, now_token.room_key
-        )
-        rooms_changed.update(event.room_id for event in member_events)
-
-        stream_ordering = RoomStreamToken.parse_stream_token(
-            from_token.room_key
-        ).stream
-
-        possibly_changed = set(changed)
-        possibly_left = set()
-        for room_id in rooms_changed:
-            current_state_ids = yield self.store.get_current_state_ids(room_id)
-
-            # The user may have left the room
-            # TODO: Check if they actually did or if we were just invited.
-            if room_id not in room_ids:
-                for key, event_id in iteritems(current_state_ids):
-                    etype, state_key = key
-                    if etype != EventTypes.Member:
-                        continue
-                    possibly_left.add(state_key)
-                continue
-
-            # Fetch the current state at the time.
-            try:
-                event_ids = yield self.store.get_forward_extremeties_for_room(
-                    room_id, stream_ordering=stream_ordering
-                )
-            except errors.StoreError:
-                # we have purged the stream_ordering index since the stream
-                # ordering: treat it the same as a new room
-                event_ids = []
-
-            # special-case for an empty prev state: include all members
-            # in the changed list
-            if not event_ids:
-                for key, event_id in iteritems(current_state_ids):
-                    etype, state_key = key
-                    if etype != EventTypes.Member:
-                        continue
-                    possibly_changed.add(state_key)
-                continue
-
-            current_member_id = current_state_ids.get((EventTypes.Member, user_id))
-            if not current_member_id:
-                continue
-
-            # mapping from event_id -> state_dict
-            prev_state_ids = yield self.store.get_state_ids_for_events(event_ids)
-
-            # Check if we've joined the room? If so we just blindly add all the users to
-            # the "possibly changed" users.
-            for state_dict in itervalues(prev_state_ids):
-                member_event = state_dict.get((EventTypes.Member, user_id), None)
-                if not member_event or member_event != current_member_id:
-                    for key, event_id in iteritems(current_state_ids):
-                        etype, state_key = key
-                        if etype != EventTypes.Member:
-                            continue
-                        possibly_changed.add(state_key)
-                    break
-
-            # If there has been any change in membership, include them in the
-            # possibly changed list. We'll check if they are joined below,
-            # and we're not toooo worried about spuriously adding users.
-            for key, event_id in iteritems(current_state_ids):
-                etype, state_key = key
-                if etype != EventTypes.Member:
-                    continue
-
-                # check if this member has changed since any of the extremities
-                # at the stream_ordering, and add them to the list if so.
-                for state_dict in itervalues(prev_state_ids):
-                    prev_event_id = state_dict.get(key, None)
-                    if not prev_event_id or prev_event_id != event_id:
-                        if state_key != user_id:
-                            possibly_changed.add(state_key)
-                        break
-
-        if possibly_changed or possibly_left:
-            users_who_share_room = yield self.store.get_users_who_share_room_with_user(
-                user_id
-            )
-
-            # Take the intersection of the users whose devices may have changed
-            # and those that actually still share a room with the user
-            possibly_joined = possibly_changed & users_who_share_room
-            possibly_left = (possibly_changed | possibly_left) - users_who_share_room
-        else:
-            possibly_joined = []
-            possibly_left = []
-
-        defer.returnValue({
-            "changed": list(possibly_joined),
-            "left": list(possibly_left),
-        })
-
     @defer.inlineCallbacks
     def on_federation_query_user_devices(self, user_id):
         stream_id, devices = yield self.store.get_devices_with_keys_by_user(user_id)
diff --git a/synapse/server.py b/synapse/server.py
index 4d364fccce..4323e7ff12 100644
--- a/synapse/server.py
+++ b/synapse/server.py
@@ -51,7 +51,7 @@ from synapse.handlers.acme import AcmeHandler
 from synapse.handlers.appservice import ApplicationServicesHandler
 from synapse.handlers.auth import AuthHandler, MacaroonGenerator
 from synapse.handlers.deactivate_account import DeactivateAccountHandler
-from synapse.handlers.device import DeviceHandler
+from synapse.handlers.device import DeviceHandler, DeviceWorkerHandler
 from synapse.handlers.devicemessage import DeviceMessageHandler
 from synapse.handlers.e2e_keys import E2eKeysHandler
 from synapse.handlers.e2e_room_keys import E2eRoomKeysHandler
@@ -307,7 +307,10 @@ class HomeServer(object):
         return MacaroonGenerator(self)
 
     def build_device_handler(self):
-        return DeviceHandler(self)
+        if self.config.worker_app:
+            return DeviceWorkerHandler(self)
+        else:
+            return DeviceHandler(self)
 
     def build_device_message_handler(self):
         return DeviceMessageHandler(self)