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authorErik Johnston <erik@matrix.org>2019-12-09 13:46:45 +0000
committerErik Johnston <erik@matrix.org>2019-12-09 13:46:45 +0000
commita1f8ea9051e7e7c34ed1677871585cc68e3d0311 (patch)
tree1424b6b748040ebefdabe6ef445899624e37ca71 /synapse/handlers/initial_sync.py
parentRemove SnapshotCache in favour of ResponseCache (diff)
downloadsynapse-a1f8ea9051e7e7c34ed1677871585cc68e3d0311.tar.xz
Port synapse.handlers.initial_sync to async/await
Diffstat (limited to 'synapse/handlers/initial_sync.py')
-rw-r--r--synapse/handlers/initial_sync.py96
1 files changed, 44 insertions, 52 deletions
diff --git a/synapse/handlers/initial_sync.py b/synapse/handlers/initial_sync.py
index 73c110a92b..44ec3e66ae 100644
--- a/synapse/handlers/initial_sync.py
+++ b/synapse/handlers/initial_sync.py
@@ -89,8 +89,7 @@ class InitialSyncHandler(BaseHandler):
             include_archived,
         )
 
-    @defer.inlineCallbacks
-    def _snapshot_all_rooms(
+    async def _snapshot_all_rooms(
         self,
         user_id=None,
         pagin_config=None,
@@ -102,7 +101,7 @@ class InitialSyncHandler(BaseHandler):
         if include_archived:
             memberships.append(Membership.LEAVE)
 
-        room_list = yield self.store.get_rooms_for_user_where_membership_is(
+        room_list = await self.store.get_rooms_for_user_where_membership_is(
             user_id=user_id, membership_list=memberships
         )
 
@@ -110,33 +109,32 @@ class InitialSyncHandler(BaseHandler):
 
         rooms_ret = []
 
-        now_token = yield self.hs.get_event_sources().get_current_token()
+        now_token = await self.hs.get_event_sources().get_current_token()
 
         presence_stream = self.hs.get_event_sources().sources["presence"]
         pagination_config = PaginationConfig(from_token=now_token)
-        presence, _ = yield presence_stream.get_pagination_rows(
+        presence, _ = await presence_stream.get_pagination_rows(
             user, pagination_config.get_source_config("presence"), None
         )
 
         receipt_stream = self.hs.get_event_sources().sources["receipt"]
-        receipt, _ = yield receipt_stream.get_pagination_rows(
+        receipt, _ = await receipt_stream.get_pagination_rows(
             user, pagination_config.get_source_config("receipt"), None
         )
 
-        tags_by_room = yield self.store.get_tags_for_user(user_id)
+        tags_by_room = await self.store.get_tags_for_user(user_id)
 
-        account_data, account_data_by_room = yield self.store.get_account_data_for_user(
+        account_data, account_data_by_room = await self.store.get_account_data_for_user(
             user_id
         )
 
-        public_room_ids = yield self.store.get_public_room_ids()
+        public_room_ids = await self.store.get_public_room_ids()
 
         limit = pagin_config.limit
         if limit is None:
             limit = 10
 
-        @defer.inlineCallbacks
-        def handle_room(event):
+        async def handle_room(event):
             d = {
                 "room_id": event.room_id,
                 "membership": event.membership,
@@ -149,8 +147,8 @@ class InitialSyncHandler(BaseHandler):
                 time_now = self.clock.time_msec()
                 d["inviter"] = event.sender
 
-                invite_event = yield self.store.get_event(event.event_id)
-                d["invite"] = yield self._event_serializer.serialize_event(
+                invite_event = await self.store.get_event(event.event_id)
+                d["invite"] = await self._event_serializer.serialize_event(
                     invite_event, time_now, as_client_event
                 )
 
@@ -174,7 +172,7 @@ class InitialSyncHandler(BaseHandler):
                         lambda states: states[event.event_id]
                     )
 
-                (messages, token), current_state = yield make_deferred_yieldable(
+                (messages, token), current_state = await make_deferred_yieldable(
                     defer.gatherResults(
                         [
                             run_in_background(
@@ -188,7 +186,7 @@ class InitialSyncHandler(BaseHandler):
                     )
                 ).addErrback(unwrapFirstError)
 
-                messages = yield filter_events_for_client(
+                messages = await filter_events_for_client(
                     self.storage, user_id, messages
                 )
 
@@ -198,7 +196,7 @@ class InitialSyncHandler(BaseHandler):
 
                 d["messages"] = {
                     "chunk": (
-                        yield self._event_serializer.serialize_events(
+                        await self._event_serializer.serialize_events(
                             messages, time_now=time_now, as_client_event=as_client_event
                         )
                     ),
@@ -206,7 +204,7 @@ class InitialSyncHandler(BaseHandler):
                     "end": end_token.to_string(),
                 }
 
-                d["state"] = yield self._event_serializer.serialize_events(
+                d["state"] = await self._event_serializer.serialize_events(
                     current_state.values(),
                     time_now=time_now,
                     as_client_event=as_client_event,
@@ -229,7 +227,7 @@ class InitialSyncHandler(BaseHandler):
             except Exception:
                 logger.exception("Failed to get snapshot")
 
-        yield concurrently_execute(handle_room, room_list, 10)
+        await concurrently_execute(handle_room, room_list, 10)
 
         account_data_events = []
         for account_data_type, content in account_data.items():
@@ -253,8 +251,7 @@ class InitialSyncHandler(BaseHandler):
 
         return ret
 
-    @defer.inlineCallbacks
-    def room_initial_sync(self, requester, room_id, pagin_config=None):
+    async def room_initial_sync(self, requester, room_id, pagin_config=None):
         """Capture the a snapshot of a room. If user is currently a member of
         the room this will be what is currently in the room. If the user left
         the room this will be what was in the room when they left.
@@ -271,32 +268,32 @@ class InitialSyncHandler(BaseHandler):
             A JSON serialisable dict with the snapshot of the room.
         """
 
-        blocked = yield self.store.is_room_blocked(room_id)
+        blocked = await self.store.is_room_blocked(room_id)
         if blocked:
             raise SynapseError(403, "This room has been blocked on this server")
 
         user_id = requester.user.to_string()
 
-        membership, member_event_id = yield self._check_in_room_or_world_readable(
+        membership, member_event_id = await self._check_in_room_or_world_readable(
             room_id, user_id
         )
         is_peeking = member_event_id is None
 
         if membership == Membership.JOIN:
-            result = yield self._room_initial_sync_joined(
+            result = await self._room_initial_sync_joined(
                 user_id, room_id, pagin_config, membership, is_peeking
             )
         elif membership == Membership.LEAVE:
-            result = yield self._room_initial_sync_parted(
+            result = await self._room_initial_sync_parted(
                 user_id, room_id, pagin_config, membership, member_event_id, is_peeking
             )
 
         account_data_events = []
-        tags = yield self.store.get_tags_for_room(user_id, room_id)
+        tags = await self.store.get_tags_for_room(user_id, room_id)
         if tags:
             account_data_events.append({"type": "m.tag", "content": {"tags": tags}})
 
-        account_data = yield self.store.get_account_data_for_room(user_id, room_id)
+        account_data = await self.store.get_account_data_for_room(user_id, room_id)
         for account_data_type, content in account_data.items():
             account_data_events.append({"type": account_data_type, "content": content})
 
@@ -304,11 +301,10 @@ class InitialSyncHandler(BaseHandler):
 
         return result
 
-    @defer.inlineCallbacks
-    def _room_initial_sync_parted(
+    async def _room_initial_sync_parted(
         self, user_id, room_id, pagin_config, membership, member_event_id, is_peeking
     ):
-        room_state = yield self.state_store.get_state_for_events([member_event_id])
+        room_state = await self.state_store.get_state_for_events([member_event_id])
 
         room_state = room_state[member_event_id]
 
@@ -316,13 +312,13 @@ class InitialSyncHandler(BaseHandler):
         if limit is None:
             limit = 10
 
-        stream_token = yield self.store.get_stream_token_for_event(member_event_id)
+        stream_token = await self.store.get_stream_token_for_event(member_event_id)
 
-        messages, token = yield self.store.get_recent_events_for_room(
+        messages, token = await self.store.get_recent_events_for_room(
             room_id, limit=limit, end_token=stream_token
         )
 
-        messages = yield filter_events_for_client(
+        messages = await filter_events_for_client(
             self.storage, user_id, messages, is_peeking=is_peeking
         )
 
@@ -336,13 +332,13 @@ class InitialSyncHandler(BaseHandler):
             "room_id": room_id,
             "messages": {
                 "chunk": (
-                    yield self._event_serializer.serialize_events(messages, time_now)
+                    await self._event_serializer.serialize_events(messages, time_now)
                 ),
                 "start": start_token.to_string(),
                 "end": end_token.to_string(),
             },
             "state": (
-                yield self._event_serializer.serialize_events(
+                await self._event_serializer.serialize_events(
                     room_state.values(), time_now
                 )
             ),
@@ -350,19 +346,18 @@ class InitialSyncHandler(BaseHandler):
             "receipts": [],
         }
 
-    @defer.inlineCallbacks
-    def _room_initial_sync_joined(
+    async def _room_initial_sync_joined(
         self, user_id, room_id, pagin_config, membership, is_peeking
     ):
-        current_state = yield self.state.get_current_state(room_id=room_id)
+        current_state = await self.state.get_current_state(room_id=room_id)
 
         # TODO: These concurrently
         time_now = self.clock.time_msec()
-        state = yield self._event_serializer.serialize_events(
+        state = await self._event_serializer.serialize_events(
             current_state.values(), time_now
         )
 
-        now_token = yield self.hs.get_event_sources().get_current_token()
+        now_token = await self.hs.get_event_sources().get_current_token()
 
         limit = pagin_config.limit if pagin_config else None
         if limit is None:
@@ -377,28 +372,26 @@ class InitialSyncHandler(BaseHandler):
 
         presence_handler = self.hs.get_presence_handler()
 
-        @defer.inlineCallbacks
-        def get_presence():
+        async def get_presence():
             # If presence is disabled, return an empty list
             if not self.hs.config.use_presence:
                 return []
 
-            states = yield presence_handler.get_states(
+            states = await presence_handler.get_states(
                 [m.user_id for m in room_members], as_event=True
             )
 
             return states
 
-        @defer.inlineCallbacks
-        def get_receipts():
-            receipts = yield self.store.get_linearized_receipts_for_room(
+        async def get_receipts():
+            receipts = await self.store.get_linearized_receipts_for_room(
                 room_id, to_key=now_token.receipt_key
             )
             if not receipts:
                 receipts = []
             return receipts
 
-        presence, receipts, (messages, token) = yield make_deferred_yieldable(
+        presence, receipts, (messages, token) = await make_deferred_yieldable(
             defer.gatherResults(
                 [
                     run_in_background(get_presence),
@@ -414,7 +407,7 @@ class InitialSyncHandler(BaseHandler):
             ).addErrback(unwrapFirstError)
         )
 
-        messages = yield filter_events_for_client(
+        messages = await filter_events_for_client(
             self.storage, user_id, messages, is_peeking=is_peeking
         )
 
@@ -427,7 +420,7 @@ class InitialSyncHandler(BaseHandler):
             "room_id": room_id,
             "messages": {
                 "chunk": (
-                    yield self._event_serializer.serialize_events(messages, time_now)
+                    await self._event_serializer.serialize_events(messages, time_now)
                 ),
                 "start": start_token.to_string(),
                 "end": end_token.to_string(),
@@ -441,18 +434,17 @@ class InitialSyncHandler(BaseHandler):
 
         return ret
 
-    @defer.inlineCallbacks
-    def _check_in_room_or_world_readable(self, room_id, user_id):
+    async def _check_in_room_or_world_readable(self, room_id, user_id):
         try:
             # check_user_was_in_room will return the most recent membership
             # event for the user if:
             #  * The user is a non-guest user, and was ever in the room
             #  * The user is a guest user, and has joined the room
             # else it will throw.
-            member_event = yield self.auth.check_user_was_in_room(room_id, user_id)
+            member_event = await self.auth.check_user_was_in_room(room_id, user_id)
             return member_event.membership, member_event.event_id
         except AuthError:
-            visibility = yield self.state_handler.get_current_state(
+            visibility = await self.state_handler.get_current_state(
                 room_id, EventTypes.RoomHistoryVisibility, ""
             )
             if (