Moar stuff

synapse/federation/transaction_queue.py

@@ -24,7 +24,6 @@ from synapse.util.async import run_on_reactor
 from synapse.util.logcontext import preserve_context_over_fn, preserve_fn
 from synapse.util.retryutils import NotRetryingDestination, get_retry_limiter
 from synapse.util.metrics import measure_func
-from synapse.types import get_domain_from_id
 from synapse.handlers.presence import format_user_presence_state, get_interested_remotes
 import synapse.metrics
 
@@ -183,15 +182,12 @@ class TransactionQueue(object):
                     # Otherwise if the last member on a server in a room is
                     # banned then it won't receive the event because it won't
                     # be in the room after the ban.
-                    users_in_room = yield self.state.get_current_user_in_room(
+                    destinations = yield self.state.get_current_hosts_in_room(
                         event.room_id, latest_event_ids=[
                             prev_id for prev_id, _ in event.prev_events
                         ],
                     )
 
-                    destinations = set(
-                        get_domain_from_id(user_id) for user_id in users_in_room
-                    )
                     if send_on_behalf_of is not None:
                         # If we are sending the event on behalf of another server
                         # then it already has the event and there is no reason to

synapse/push/bulk_push_rule_evaluator.py

@@ -19,17 +19,21 @@ from twisted.internet import defer
 
 from .push_rule_evaluator import PushRuleEvaluatorForEvent
 
-from synapse.api.constants import EventTypes
+from synapse.api.constants import EventTypes, Membership
 
 
 logger = logging.getLogger(__name__)
 
 
+rules_by_room = {}
+
+
 @defer.inlineCallbacks
 def evaluator_for_event(event, hs, store, context):
-    rules_by_user = yield store.bulk_get_push_rules_for_room(
-        event, context
-    )
+    room_id = event.room_id
+    rules_for_room = rules_by_room.setdefault(room_id, RulesForRoom(hs, room_id))
+
+    rules_by_user = yield rules_for_room.get_rules(context)
 
     # if this event is an invite event, we may need to run rules for the user
     # who's been invited, otherwise they won't get told they've been invited
@@ -66,11 +70,14 @@ class BulkPushRuleEvaluator:
     def action_for_event_by_user(self, event, context):
         actions_by_user = {}
 
-        room_members = yield self.store.get_joined_users_from_context(
-            event, context
-        )
+        # room_members = yield self.store.get_joined_users_from_context(
+        #     event, context
+        # )
+        room_members = {}
 
-        evaluator = PushRuleEvaluatorForEvent(event, len(room_members))
+        num_room_members = yield self.store.get_number_of_users_in_rooms(event.room_id)
+
+        evaluator = PushRuleEvaluatorForEvent(event, num_room_members)
 
         condition_cache = {}
 
@@ -127,3 +134,128 @@ def _condition_checker(evaluator, conditions, uid, display_name, cache):
             return False
 
     return True
+
+
+class RulesForRoom(object):
+    def __init__(self, hs, room_id):
+        self.room_id = room_id
+        self.is_mine_id = hs.is_mine_id
+        self.store = hs.get_datastore()
+
+        self.member_map = {}  # event_id -> (user_id, state)
+        self.rules_by_user = {}  # user_id -> rules
+        self.state_group = object()
+
+        self.sequence = 0
+
+    @defer.inlineCallbacks
+    def get_rules(self, context):
+        state_group = context.state_group
+        current_state_ids = context.current_state_ids
+
+        if state_group and self.state_group == state_group:
+            defer.returnValue(self.rules_by_user)
+
+        ret_rules_by_user = {}
+        missing_member_event_ids = {}
+        for key, event_id in current_state_ids.iteritems():
+            res = self.member_map.get(event_id, None)
+            if res:
+                user_id, state = res
+                if state == Membership.JOIN:
+                    rules = self.rules_by_user.get(user_id, None)
+                    if rules:
+                        ret_rules_by_user[user_id] = rules
+                continue
+
+            if key[0] != EventTypes.Member:
+                continue
+
+            user_id = key[1]
+            if not self.is_mine_id(user_id):
+                continue
+
+            if self.store.get_if_app_services_interested_in_user(user_id):
+                continue
+
+            missing_member_event_ids[user_id] = event_id
+
+        if missing_member_event_ids:
+            missing_rules = yield self.get_rules_for_member_event_ids(
+                missing_member_event_ids, state_group
+            )
+            ret_rules_by_user.update(missing_rules)
+
+        defer.returnValue(ret_rules_by_user)
+
+    @defer.inlineCallbacks
+    def get_rules_for_member_event_ids(self, member_event_ids, state_group):
+        sequence = self.sequence
+
+        rows = yield self.store._simple_select_many_batch(
+            table="room_memberships",
+            column="event_id",
+            iterable=member_event_ids.values(),
+            retcols=['user_id', 'membership', 'event_id'],
+            keyvalues={},
+            batch_size=500,
+            desc="get_rules_for_member_event_ids",
+        )
+
+        members = {
+            row["event_id"]: (row["user_id"], row["membership"])
+            for row in rows
+        }
+
+        interested_in_user_ids = set(user_id for user_id, _ in members.itervalues())
+
+        if_users_with_pushers = yield self.store.get_if_users_have_pushers(
+            interested_in_user_ids,
+            on_invalidate=self.invalidate_all,
+        )
+
+        user_ids = set(
+            uid for uid, have_pusher in if_users_with_pushers.items() if have_pusher
+        )
+
+        users_with_receipts = yield self.store.get_users_with_read_receipts_in_room(
+            self.room_id, on_invalidate=self.invalidate_all,
+        )
+
+        # any users with pushers must be ours: they have pushers
+        for uid in users_with_receipts:
+            if uid in interested_in_user_ids:
+                user_ids.add(uid)
+
+        forgotten = yield self.store.who_forgot_in_room(
+            self.room_id, on_invalidate=self.invalidate_all,
+        )
+
+        for row in forgotten:
+            user_id = row["user_id"]
+            event_id = row["event_id"]
+
+            mem_id = member_event_ids.get((user_id), None)
+            if event_id == mem_id:
+                user_ids.discard(user_id)
+
+        rules_by_user = yield self.store.bulk_get_push_rules(
+            user_ids, on_invalidate=self.invalidate_all,
+        )
+
+        rules_by_user = {k: v for k, v in rules_by_user.iteritems() if v is not None}
+
+        self.update_cache(sequence, members, rules_by_user, state_group)
+
+        defer.returnValue(rules_by_user)
+
+    def invalidate_all(self):
+        self.sequence += 1
+        self.member_map = {}
+        self.rules_by_user = {}
+
+    def update_cache(self, sequence, members, rules_by_user, state_group):
+        if sequence == self.sequence:
+            self.member_map.update(members)
+            self.rules_by_user.update(rules_by_user)
+            self.state_group = state_group

synapse/state.py

@@ -175,6 +175,17 @@ class StateHandler(object):
         )
         defer.returnValue(joined_users)
 
+    @defer.inlineCallbacks
+    def get_current_hosts_in_room(self, room_id, latest_event_ids=None):
+        if not latest_event_ids:
+            latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
+        logger.debug("calling resolve_state_groups from get_current_user_in_room")
+        entry = yield self.resolve_state_groups(room_id, latest_event_ids)
+        joined_hosts = yield self.store.get_joined_hosts(
+            room_id, entry.state_id, entry.state
+        )
+        defer.returnValue(joined_hosts)
+
     @defer.inlineCallbacks
     def compute_event_context(self, event, old_state=None):
         """Build an EventContext structure for the event.

synapse/storage/_base.py

@@ -60,12 +60,12 @@ class LoggingTransaction(object):
         object.__setattr__(self, "database_engine", database_engine)
         object.__setattr__(self, "after_callbacks", after_callbacks)
 
-    def call_after(self, callback, *args):
+    def call_after(self, callback, *args, **kwargs):
         """Call the given callback on the main twisted thread after the
         transaction has finished. Used to invalidate the caches on the
         correct thread.
         """
-        self.after_callbacks.append((callback, args))
+        self.after_callbacks.append((callback, args, kwargs))
 
     def __getattr__(self, name):
         return getattr(self.txn, name)
@@ -319,8 +319,8 @@ class SQLBaseStore(object):
                     inner_func, *args, **kwargs
                 )
         finally:
-            for after_callback, after_args in after_callbacks:
-                after_callback(*after_args)
+            for after_callback, after_args, after_kwargs in after_callbacks:
+                after_callback(*after_args, **after_kwargs)
         defer.returnValue(result)
 
     @defer.inlineCallbacks

synapse/storage/events.py

@@ -370,6 +370,10 @@ class EventsStore(SQLBaseStore):
                     new_forward_extremeties=new_forward_extremeties,
                 )
                 persist_event_counter.inc_by(len(chunk))
+                for room_id, (_, _, new_state) in current_state_for_room.iteritems():
+                    self.get_current_state_ids.prefill(
+                        (room_id, ), new_state
+                    )
 
     @defer.inlineCallbacks
     def _calculate_new_extremeties(self, room_id, event_contexts, latest_event_ids):
@@ -529,7 +533,7 @@ class EventsStore(SQLBaseStore):
             if ev_id in events_to_insert
         }
 
-        defer.returnValue((to_delete, to_insert))
+        defer.returnValue((to_delete, to_insert, current_state))
 
     @defer.inlineCallbacks
     def get_event(self, event_id, check_redacted=True,
@@ -682,7 +686,7 @@ class EventsStore(SQLBaseStore):
 
     def _update_current_state_txn(self, txn, state_delta_by_room):
         for room_id, current_state_tuple in state_delta_by_room.iteritems():
-                to_delete, to_insert = current_state_tuple
+                to_delete, to_insert, _ = current_state_tuple
                 txn.executemany(
                     "DELETE FROM current_state_events WHERE event_id = ?",
                     [(ev_id,) for ev_id in to_delete.itervalues()],

synapse/storage/push_rule.py

@@ -48,7 +48,7 @@ def _load_rules(rawrules, enabled_map):
 
 
 class PushRuleStore(SQLBaseStore):
-    @cachedInlineCallbacks()
+    @cachedInlineCallbacks(max_entries=50000)
     def get_push_rules_for_user(self, user_id):
         rows = yield self._simple_select_list(
             table="push_rules",

synapse/storage/roommember.py

@@ -417,25 +417,47 @@ class RoomMemberStore(SQLBaseStore):
             if key[0] == EventTypes.Member
         ]
 
-        rows = yield self._simple_select_many_batch(
-            table="room_memberships",
-            column="event_id",
-            iterable=member_event_ids,
-            retcols=['user_id', 'display_name', 'avatar_url'],
-            keyvalues={
-                "membership": Membership.JOIN,
-            },
-            batch_size=500,
-            desc="_get_joined_users_from_context",
+        event_map = self._get_events_from_cache(
+            member_event_ids,
+            allow_rejected=False,
         )
 
-        users_in_room = {
-            to_ascii(row["user_id"]): ProfileInfo(
-                avatar_url=to_ascii(row["avatar_url"]),
-                display_name=to_ascii(row["display_name"]),
+        missing_member_event_ids = []
+        users_in_room = {}
+        for event_id, ev_entry in event_map.iteritems():
+            if event_id:
+                if ev_entry.event.membership == Membership.JOIN:
+                    users_in_room[to_ascii(ev_entry.event.state_key)] = ProfileInfo(
+                        display_name=to_ascii(
+                            ev_entry.event.content.get("displayname", None)
+                        ),
+                        avatar_url=to_ascii(
+                            ev_entry.event.content.get("avatar_url", None)
+                        ),
+                    )
+            else:
+                missing_member_event_ids.append(event_id)
+
+        if missing_member_event_ids:
+            rows = yield self._simple_select_many_batch(
+                table="room_memberships",
+                column="event_id",
+                iterable=member_event_ids,
+                retcols=('user_id', 'display_name', 'avatar_url',),
+                keyvalues={
+                    "membership": Membership.JOIN,
+                },
+                batch_size=500,
+                desc="_get_joined_users_from_context",
             )
-            for row in rows
-        }
+
+            users_in_room.update({
+                to_ascii(row["user_id"]): ProfileInfo(
+                    avatar_url=to_ascii(row["avatar_url"]),
+                    display_name=to_ascii(row["display_name"]),
+                )
+                for row in rows
+            })
 
         if event is not None and event.type == EventTypes.Member:
             if event.membership == Membership.JOIN:
@@ -447,6 +469,17 @@ class RoomMemberStore(SQLBaseStore):
 
         defer.returnValue(users_in_room)
 
+    def get_number_of_users_in_rooms(self, room_id):
+        sql = """SELECT coalesce(count(*), 0) FROM current_state_events
+            INNER JOIN room_memberships USING (room_id, event_id)
+            WHERE room_id = ? AND membership = 'join'
+        """
+        return self._execute(
+            "get_number_of_users_in_rooms",
+            lambda txn: txn.fetchone()[0],
+            sql, room_id
+        )
+
     def is_host_joined(self, room_id, host, state_group, state_ids):
         if not state_group:
             # If state_group is None it means it has yet to be assigned a
@@ -482,6 +515,44 @@ class RoomMemberStore(SQLBaseStore):
 
         defer.returnValue(False)
 
+    def get_joined_hosts(self, room_id, state_group, state_ids):
+        if not state_group:
+            # If state_group is None it means it has yet to be assigned a
+            # state group, i.e. we need to make sure that calls with a state_group
+            # of None don't hit previous cached calls with a None state_group.
+            # To do this we set the state_group to a new object as object() != object()
+            state_group = object()
+
+        return self._get_joined_hosts(
+            room_id, state_group, state_ids
+        )
+
+    @cachedInlineCallbacks(num_args=3)
+    def _get_joined_hosts(self, room_id, state_group, current_state_ids):
+        # We don't use `state_group`, its there so that we can cache based
+        # on it. However, its important that its never None, since two current_state's
+        # with a state_group of None are likely to be different.
+        # See bulk_get_push_rules_for_room for how we work around this.
+        assert state_group is not None
+
+        joined_hosts = set()
+        for (etype, state_key), event_id in current_state_ids.items():
+            if etype == EventTypes.Member:
+                try:
+                    host = get_domain_from_id(state_key)
+                except:
+                    logger.warn("state_key not user_id: %s", state_key)
+                    continue
+
+                if host in joined_hosts:
+                    continue
+
+                event = yield self.get_event(event_id, allow_none=True)
+                if event and event.content["membership"] == Membership.JOIN:
+                    joined_hosts.add(host)
+
+        defer.returnValue(joined_hosts)
+
     @defer.inlineCallbacks
     def _background_add_membership_profile(self, progress, batch_size):
         target_min_stream_id = progress.get(

synapse/storage/state.py

@@ -227,6 +227,14 @@ class StateStore(SQLBaseStore):
                     ],
                 )
 
+            txn.call_after(
+                self._state_group_cache.update,
+                self._state_group_cache.sequence,
+                key=context.state_group,
+                value=context.current_state_ids,
+                full=True,
+            )
+
         self._simple_insert_many_txn(
             txn,
             table="event_to_state_groups",