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-rw-r--r--synapse/push/bulk_push_rule_evaluator.py81
-rw-r--r--synapse/push/httppusher.py20
-rw-r--r--synapse/push/push_rule_evaluator.py4
3 files changed, 85 insertions, 20 deletions
diff --git a/synapse/push/bulk_push_rule_evaluator.py b/synapse/push/bulk_push_rule_evaluator.py
index 9a96e6fe8f..b0d64aa6c4 100644
--- a/synapse/push/bulk_push_rule_evaluator.py
+++ b/synapse/push/bulk_push_rule_evaluator.py
@@ -19,8 +19,9 @@ from twisted.internet import defer
 
 from .push_rule_evaluator import PushRuleEvaluatorForEvent
 
-from synapse.visibility import filter_events_for_clients_context
 from synapse.api.constants import EventTypes, Membership
+from synapse.metrics import get_metrics_for
+from synapse.util.caches import metrics as cache_metrics
 from synapse.util.caches.descriptors import cached
 from synapse.util.async import Linearizer
 
@@ -32,6 +33,23 @@ logger = logging.getLogger(__name__)
 
 rules_by_room = {}
 
+push_metrics = get_metrics_for(__name__)
+
+push_rules_invalidation_counter = push_metrics.register_counter(
+    "push_rules_invalidation_counter"
+)
+push_rules_state_size_counter = push_metrics.register_counter(
+    "push_rules_state_size_counter"
+)
+
+# Measures whether we use the fast path of using state deltas, or if we have to
+# recalculate from scratch
+push_rules_delta_state_cache_metric = cache_metrics.register_cache(
+    "cache",
+    size_callback=lambda: 0,  # Meaningless size, as this isn't a cache that stores values
+    cache_name="push_rules_delta_state_cache_metric",
+)
+
 
 class BulkPushRuleEvaluator(object):
     """Calculates the outcome of push rules for an event for all users in the
@@ -42,6 +60,12 @@ class BulkPushRuleEvaluator(object):
         self.hs = hs
         self.store = hs.get_datastore()
 
+        self.room_push_rule_cache_metrics = cache_metrics.register_cache(
+            "cache",
+            size_callback=lambda: 0,  # There's not good value for this
+            cache_name="room_push_rule_cache",
+        )
+
     @defer.inlineCallbacks
     def _get_rules_for_event(self, event, context):
         """This gets the rules for all users in the room at the time of the event,
@@ -79,7 +103,10 @@ class BulkPushRuleEvaluator(object):
         # It's important that RulesForRoom gets added to self._get_rules_for_room.cache
         # before any lookup methods get called on it as otherwise there may be
         # a race if invalidate_all gets called (which assumes its in the cache)
-        return RulesForRoom(self.hs, room_id, self._get_rules_for_room.cache)
+        return RulesForRoom(
+            self.hs, room_id, self._get_rules_for_room.cache,
+            self.room_push_rule_cache_metrics,
+        )
 
     @defer.inlineCallbacks
     def action_for_event_by_user(self, event, context):
@@ -92,15 +119,6 @@ class BulkPushRuleEvaluator(object):
         rules_by_user = yield self._get_rules_for_event(event, context)
         actions_by_user = {}
 
-        # None of these users can be peeking since this list of users comes
-        # from the set of users in the room, so we know for sure they're all
-        # actually in the room.
-        user_tuples = [(u, False) for u in rules_by_user]
-
-        filtered_by_user = yield filter_events_for_clients_context(
-            self.store, user_tuples, [event], {event.event_id: context}
-        )
-
         room_members = yield self.store.get_joined_users_from_context(
             event, context
         )
@@ -110,6 +128,14 @@ class BulkPushRuleEvaluator(object):
         condition_cache = {}
 
         for uid, rules in rules_by_user.iteritems():
+            if event.sender == uid:
+                continue
+
+            if not event.is_state():
+                is_ignored = yield self.store.is_ignored_by(event.sender, uid)
+                if is_ignored:
+                    continue
+
             display_name = None
             profile_info = room_members.get(uid)
             if profile_info:
@@ -121,13 +147,6 @@ class BulkPushRuleEvaluator(object):
                 if event.type == EventTypes.Member and event.state_key == uid:
                     display_name = event.content.get("displayname", None)
 
-            filtered = filtered_by_user[uid]
-            if len(filtered) == 0:
-                continue
-
-            if filtered[0].sender == uid:
-                continue
-
             for rule in rules:
                 if 'enabled' in rule and not rule['enabled']:
                     continue
@@ -170,17 +189,19 @@ class RulesForRoom(object):
     the entire cache for the room.
     """
 
-    def __init__(self, hs, room_id, rules_for_room_cache):
+    def __init__(self, hs, room_id, rules_for_room_cache, room_push_rule_cache_metrics):
         """
         Args:
             hs (HomeServer)
             room_id (str)
             rules_for_room_cache(Cache): The cache object that caches these
                 RoomsForUser objects.
+            room_push_rule_cache_metrics (CacheMetric)
         """
         self.room_id = room_id
         self.is_mine_id = hs.is_mine_id
         self.store = hs.get_datastore()
+        self.room_push_rule_cache_metrics = room_push_rule_cache_metrics
 
         self.linearizer = Linearizer(name="rules_for_room")
 
@@ -222,11 +243,19 @@ class RulesForRoom(object):
         """
         state_group = context.state_group
 
+        if state_group and self.state_group == state_group:
+            logger.debug("Using cached rules for %r", self.room_id)
+            self.room_push_rule_cache_metrics.inc_hits()
+            defer.returnValue(self.rules_by_user)
+
         with (yield self.linearizer.queue(())):
             if state_group and self.state_group == state_group:
                 logger.debug("Using cached rules for %r", self.room_id)
+                self.room_push_rule_cache_metrics.inc_hits()
                 defer.returnValue(self.rules_by_user)
 
+            self.room_push_rule_cache_metrics.inc_misses()
+
             ret_rules_by_user = {}
             missing_member_event_ids = {}
             if state_group and self.state_group == context.prev_group:
@@ -234,8 +263,13 @@ class RulesForRoom(object):
                 # results.
                 ret_rules_by_user = self.rules_by_user
                 current_state_ids = context.delta_ids
+
+                push_rules_delta_state_cache_metric.inc_hits()
             else:
                 current_state_ids = context.current_state_ids
+                push_rules_delta_state_cache_metric.inc_misses()
+
+            push_rules_state_size_counter.inc_by(len(current_state_ids))
 
             logger.debug(
                 "Looking for member changes in %r %r", state_group, current_state_ids
@@ -282,6 +316,14 @@ class RulesForRoom(object):
                 yield self._update_rules_with_member_event_ids(
                     ret_rules_by_user, missing_member_event_ids, state_group, event
                 )
+            else:
+                # The push rules didn't change but lets update the cache anyway
+                self.update_cache(
+                    self.sequence,
+                    members={},  # There were no membership changes
+                    rules_by_user=ret_rules_by_user,
+                    state_group=state_group
+                )
 
         if logger.isEnabledFor(logging.DEBUG):
             logger.debug(
@@ -380,6 +422,7 @@ class RulesForRoom(object):
         self.state_group = object()
         self.member_map = {}
         self.rules_by_user = {}
+        push_rules_invalidation_counter.inc()
 
     def update_cache(self, sequence, members, rules_by_user, state_group):
         if sequence == self.sequence:
diff --git a/synapse/push/httppusher.py b/synapse/push/httppusher.py
index 8a5d473108..62c41cd9db 100644
--- a/synapse/push/httppusher.py
+++ b/synapse/push/httppusher.py
@@ -244,6 +244,26 @@ class HttpPusher(object):
 
     @defer.inlineCallbacks
     def _build_notification_dict(self, event, tweaks, badge):
+        if self.data.get('format') == 'event_id_only':
+            d = {
+                'notification': {
+                    'event_id': event.event_id,
+                    'room_id': event.room_id,
+                    'counts': {
+                        'unread': badge,
+                    },
+                    'devices': [
+                        {
+                            'app_id': self.app_id,
+                            'pushkey': self.pushkey,
+                            'pushkey_ts': long(self.pushkey_ts / 1000),
+                            'data': self.data_minus_url,
+                        }
+                    ]
+                }
+            }
+            defer.returnValue(d)
+
         ctx = yield push_tools.get_context_for_event(
             self.store, self.state_handler, event, self.user_id
         )
diff --git a/synapse/push/push_rule_evaluator.py b/synapse/push/push_rule_evaluator.py
index 4d88046579..172c27c137 100644
--- a/synapse/push/push_rule_evaluator.py
+++ b/synapse/push/push_rule_evaluator.py
@@ -200,7 +200,9 @@ def _glob_to_re(glob, word_boundary):
         return re.compile(r, flags=re.IGNORECASE)
 
 
-def _flatten_dict(d, prefix=[], result={}):
+def _flatten_dict(d, prefix=[], result=None):
+    if result is None:
+        result = {}
     for key, value in d.items():
         if isinstance(value, basestring):
             result[".".join(prefix + [key])] = value.lower()