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authorErik Johnston <erik@matrix.org>2016-02-23 13:49:16 +0000
committerErik Johnston <erik@matrix.org>2016-02-23 14:52:16 +0000
commit56a94ccd9e0b3f01c016481b0e3eb26f1a09ac0e (patch)
treef59bc76276de9e1a0aaf1ebca42a2c1ed3841dc1 /synapse/handlers/presence.py
parentRemove superfluous call to get_state_at when we already have an event for tha... (diff)
downloadsynapse-56a94ccd9e0b3f01c016481b0e3eb26f1a09ac0e.tar.xz
Measure PresenceEventSource.get_new_events
Diffstat (limited to '')
-rw-r--r--synapse/handlers/presence.py69
1 files changed, 35 insertions, 34 deletions
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index aed640450f..91e62e9a00 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -835,50 +835,51 @@ class PresenceEventSource(object):
         # We don't try and limit the presence updates by the current token, as
         # sending down the rare duplicate is not a concern.
 
-        user_id = user.to_string()
-        if from_key is not None:
-            from_key = int(from_key)
-        room_ids = room_ids or []
+        with Measure(self.clock, "Presence.get_new_events"):
+            user_id = user.to_string()
+            if from_key is not None:
+                from_key = int(from_key)
+            room_ids = room_ids or []
 
-        presence = self.hs.get_handlers().presence_handler
+            presence = self.hs.get_handlers().presence_handler
 
-        if not room_ids:
-            rooms = yield self.store.get_rooms_for_user(user_id)
-            room_ids = set(e.room_id for e in rooms)
+            if not room_ids:
+                rooms = yield self.store.get_rooms_for_user(user_id)
+                room_ids = set(e.room_id for e in rooms)
 
-        user_ids_to_check = set()
-        for room_id in room_ids:
-            users = yield self.store.get_users_in_room(room_id)
-            user_ids_to_check.update(users)
+            user_ids_to_check = set()
+            for room_id in room_ids:
+                users = yield self.store.get_users_in_room(room_id)
+                user_ids_to_check.update(users)
 
-        plist = yield self.store.get_presence_list_accepted(user.localpart)
-        user_ids_to_check.update([row["observed_user_id"] for row in plist])
+            plist = yield self.store.get_presence_list_accepted(user.localpart)
+            user_ids_to_check.update([row["observed_user_id"] for row in plist])
 
-        # Always include yourself. Only really matters for when the user is
-        # not in any rooms, but still.
-        user_ids_to_check.add(user_id)
+            # Always include yourself. Only really matters for when the user is
+            # not in any rooms, but still.
+            user_ids_to_check.add(user_id)
 
-        max_token = self.store.get_current_presence_token()
+            max_token = self.store.get_current_presence_token()
 
-        if from_key:
-            user_ids_changed = self.store.presence_stream_cache.get_entities_changed(
-                user_ids_to_check, from_key,
-            )
-        else:
-            user_ids_changed = user_ids_to_check
+            if from_key:
+                user_ids_changed = self.store.presence_stream_cache.get_entities_changed(
+                    user_ids_to_check, from_key,
+                )
+            else:
+                user_ids_changed = user_ids_to_check
 
-        updates = yield presence.current_state_for_users(user_ids_changed)
+            updates = yield presence.current_state_for_users(user_ids_changed)
 
-        now = self.clock.time_msec()
+            now = self.clock.time_msec()
 
-        defer.returnValue(([
-            {
-                "type": "m.presence",
-                "content": _format_user_presence_state(s, now),
-            }
-            for s in updates.values()
-            if include_offline or s.state != PresenceState.OFFLINE
-        ], max_token))
+            defer.returnValue(([
+                {
+                    "type": "m.presence",
+                    "content": _format_user_presence_state(s, now),
+                }
+                for s in updates.values()
+                if include_offline or s.state != PresenceState.OFFLINE
+            ], max_token))
 
     def get_current_key(self):
         return self.store.get_current_presence_token()