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-rw-r--r--synapse/storage/background_updates.py3
-rw-r--r--synapse/storage/client_ips.py6
-rw-r--r--synapse/storage/event_push_actions.py3
-rw-r--r--synapse/storage/events_worker.py10
-rw-r--r--synapse/storage/state.py60
5 files changed, 56 insertions, 26 deletions
diff --git a/synapse/storage/background_updates.py b/synapse/storage/background_updates.py
index 8af325a9f5..b7e9c716c8 100644
--- a/synapse/storage/background_updates.py
+++ b/synapse/storage/background_updates.py
@@ -12,7 +12,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-import synapse.util.async
 
 from ._base import SQLBaseStore
 from . import engines
@@ -92,7 +91,7 @@ class BackgroundUpdateStore(SQLBaseStore):
         logger.info("Starting background schema updates")
 
         while True:
-            yield synapse.util.async.sleep(
+            yield self.hs.get_clock().sleep(
                 self.BACKGROUND_UPDATE_INTERVAL_MS / 1000.)
 
             try:
diff --git a/synapse/storage/client_ips.py b/synapse/storage/client_ips.py
index ce338514e8..968d2fed22 100644
--- a/synapse/storage/client_ips.py
+++ b/synapse/storage/client_ips.py
@@ -15,7 +15,7 @@
 
 import logging
 
-from twisted.internet import defer, reactor
+from twisted.internet import defer
 
 from ._base import Cache
 from . import background_updates
@@ -70,7 +70,9 @@ class ClientIpStore(background_updates.BackgroundUpdateStore):
         self._client_ip_looper = self._clock.looping_call(
             self._update_client_ips_batch, 5 * 1000
         )
-        reactor.addSystemEventTrigger("before", "shutdown", self._update_client_ips_batch)
+        self.hs.get_reactor().addSystemEventTrigger(
+            "before", "shutdown", self._update_client_ips_batch
+        )
 
     def insert_client_ip(self, user_id, access_token, ip, user_agent, device_id,
                          now=None):
diff --git a/synapse/storage/event_push_actions.py b/synapse/storage/event_push_actions.py
index d0350ee5fe..c4a0208ce4 100644
--- a/synapse/storage/event_push_actions.py
+++ b/synapse/storage/event_push_actions.py
@@ -16,7 +16,6 @@
 
 from synapse.storage._base import SQLBaseStore, LoggingTransaction
 from twisted.internet import defer
-from synapse.util.async import sleep
 from synapse.util.caches.descriptors import cachedInlineCallbacks
 
 import logging
@@ -800,7 +799,7 @@ class EventPushActionsStore(EventPushActionsWorkerStore):
                 )
                 if caught_up:
                     break
-                yield sleep(5)
+                yield self.hs.get_clock().sleep(5)
         finally:
             self._doing_notif_rotation = False
 
diff --git a/synapse/storage/events_worker.py b/synapse/storage/events_worker.py
index 32d9d00ffb..f6a6e46b43 100644
--- a/synapse/storage/events_worker.py
+++ b/synapse/storage/events_worker.py
@@ -14,13 +14,14 @@
 # limitations under the License.
 from ._base import SQLBaseStore
 
-from twisted.internet import defer, reactor
+from twisted.internet import defer
 
 from synapse.events import FrozenEvent
 from synapse.events.utils import prune_event
 
 from synapse.util.logcontext import (
     PreserveLoggingContext, make_deferred_yieldable, run_in_background,
+    LoggingContext,
 )
 from synapse.util.metrics import Measure
 from synapse.api.errors import SynapseError
@@ -145,6 +146,9 @@ class EventsWorkerStore(SQLBaseStore):
         missing_events_ids = [e for e in event_ids if e not in event_entry_map]
 
         if missing_events_ids:
+            log_ctx = LoggingContext.current_context()
+            log_ctx.record_event_fetch(len(missing_events_ids))
+
             missing_events = yield self._enqueue_events(
                 missing_events_ids,
                 check_redacted=check_redacted,
@@ -265,7 +269,7 @@ class EventsWorkerStore(SQLBaseStore):
                             except Exception:
                                 logger.exception("Failed to callback")
                 with PreserveLoggingContext():
-                    reactor.callFromThread(fire, event_list, row_dict)
+                    self.hs.get_reactor().callFromThread(fire, event_list, row_dict)
             except Exception as e:
                 logger.exception("do_fetch")
 
@@ -278,7 +282,7 @@ class EventsWorkerStore(SQLBaseStore):
 
                 if event_list:
                     with PreserveLoggingContext():
-                        reactor.callFromThread(fire, event_list)
+                        self.hs.get_reactor().callFromThread(fire, event_list)
 
     @defer.inlineCallbacks
     def _enqueue_events(self, events, check_redacted=True, allow_rejected=False):
diff --git a/synapse/storage/state.py b/synapse/storage/state.py
index 85b8ec2b8f..cd9821c270 100644
--- a/synapse/storage/state.py
+++ b/synapse/storage/state.py
@@ -526,10 +526,23 @@ class StateGroupWorkerStore(SQLBaseStore):
 
     @defer.inlineCallbacks
     def _get_state_for_groups(self, groups, types=None):
-        """Given list of groups returns dict of group -> list of state events
-        with matching types. `types` is a list of `(type, state_key)`, where
-        a `state_key` of None matches all state_keys. If `types` is None then
-        all events are returned.
+        """Gets the state at each of a list of state groups, optionally
+        filtering by type/state_key
+
+        Args:
+            groups (iterable[int]): list of state groups for which we want
+                to get the state.
+            types (None|iterable[(str, None|str)]):
+                indicates the state type/keys required. If None, the whole
+                state is fetched and returned.
+
+                Otherwise, each entry should be a `(type, state_key)` tuple to
+                include in the response. A `state_key` of None is a wildcard
+                meaning that we require all state with that type.
+
+        Returns:
+            Deferred[dict[int, dict[(type, state_key), EventBase]]]
+                a dictionary mapping from state group to state dictionary.
         """
         if types:
             types = frozenset(types)
@@ -538,7 +551,7 @@ class StateGroupWorkerStore(SQLBaseStore):
         if types is not None:
             for group in set(groups):
                 state_dict_ids, _, got_all = self._get_some_state_from_cache(
-                    group, types
+                    group, types,
                 )
                 results[group] = state_dict_ids
 
@@ -559,26 +572,40 @@ class StateGroupWorkerStore(SQLBaseStore):
             # Okay, so we have some missing_types, lets fetch them.
             cache_seq_num = self._state_group_cache.sequence
 
+            # the DictionaryCache knows if it has *all* the state, but
+            # does not know if it has all of the keys of a particular type,
+            # which makes wildcard lookups expensive unless we have a complete
+            # cache. Hence, if we are doing a wildcard lookup, populate the
+            # cache fully so that we can do an efficient lookup next time.
+
+            if types and any(k is None for (t, k) in types):
+                types_to_fetch = None
+            else:
+                types_to_fetch = types
+
             group_to_state_dict = yield self._get_state_groups_from_groups(
-                missing_groups, types
+                missing_groups, types_to_fetch,
             )
 
-            # Now we want to update the cache with all the things we fetched
-            # from the database.
             for group, group_state_dict in iteritems(group_to_state_dict):
                 state_dict = results[group]
 
-                state_dict.update(
-                    ((intern_string(k[0]), intern_string(k[1])), to_ascii(v))
-                    for k, v in iteritems(group_state_dict)
-                )
-
+                # update the result, filtering by `types`.
+                if types:
+                    for k, v in iteritems(group_state_dict):
+                        (typ, _) = k
+                        if k in types or (typ, None) in types:
+                            state_dict[k] = v
+                else:
+                    state_dict.update(group_state_dict)
+
+                # update the cache with all the things we fetched from the
+                # database.
                 self._state_group_cache.update(
                     cache_seq_num,
                     key=group,
-                    value=state_dict,
-                    full=(types is None),
-                    known_absent=types,
+                    value=group_state_dict,
+                    fetched_keys=types_to_fetch,
                 )
 
         defer.returnValue(results)
@@ -685,7 +712,6 @@ class StateGroupWorkerStore(SQLBaseStore):
                 self._state_group_cache.sequence,
                 key=state_group,
                 value=dict(current_state_ids),
-                full=True,
             )
 
             return state_group