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-rw-r--r--synapse/handlers/federation.py26
-rw-r--r--synapse/replication/slave/storage/account_data.py43
-rw-r--r--synapse/storage/__init__.py8
-rw-r--r--synapse/storage/account_data.py76
-rw-r--r--synapse/storage/tags.py16
5 files changed, 91 insertions, 78 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 46bcf8b081..8832ba58bc 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -1447,16 +1447,24 @@ class FederationHandler(BaseHandler):
             auth_events=auth_events,
         )
 
-        if not event.internal_metadata.is_outlier() and not backfilled:
-            yield self.action_generator.handle_push_actions_for_event(
-                event, context
-            )
+        try:
+            if not event.internal_metadata.is_outlier() and not backfilled:
+                yield self.action_generator.handle_push_actions_for_event(
+                    event, context
+                )
 
-        event_stream_id, max_stream_id = yield self.store.persist_event(
-            event,
-            context=context,
-            backfilled=backfilled,
-        )
+            event_stream_id, max_stream_id = yield self.store.persist_event(
+                event,
+                context=context,
+                backfilled=backfilled,
+            )
+        except:  # noqa: E722, as we reraise the exception this is fine.
+            # Ensure that we actually remove the entries in the push actions
+            # staging area
+            logcontext.preserve_fn(
+                self.store.remove_push_actions_from_staging
+            )(event.event_id)
+            raise
 
         if not backfilled:
             # this intentionally does not yield: we don't care about the result
diff --git a/synapse/replication/slave/storage/account_data.py b/synapse/replication/slave/storage/account_data.py
index efbd87918e..6c8d2954d7 100644
--- a/synapse/replication/slave/storage/account_data.py
+++ b/synapse/replication/slave/storage/account_data.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 # Copyright 2016 OpenMarket Ltd
+# Copyright 2018 New Vector Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -13,50 +14,20 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import BaseSlavedStore
-from ._slaved_id_tracker import SlavedIdTracker
-from synapse.storage import DataStore
-from synapse.storage.account_data import AccountDataStore
-from synapse.storage.tags import TagsStore
-from synapse.util.caches.stream_change_cache import StreamChangeCache
+from synapse.replication.slave.storage._base import BaseSlavedStore
+from synapse.replication.slave.storage._slaved_id_tracker import SlavedIdTracker
+from synapse.storage.account_data import AccountDataWorkerStore
+from synapse.storage.tags import TagsWorkerStore
 
 
-class SlavedAccountDataStore(BaseSlavedStore):
+class SlavedAccountDataStore(TagsWorkerStore, AccountDataWorkerStore, BaseSlavedStore):
 
     def __init__(self, db_conn, hs):
-        super(SlavedAccountDataStore, self).__init__(db_conn, hs)
         self._account_data_id_gen = SlavedIdTracker(
             db_conn, "account_data_max_stream_id", "stream_id",
         )
-        self._account_data_stream_cache = StreamChangeCache(
-            "AccountDataAndTagsChangeCache",
-            self._account_data_id_gen.get_current_token(),
-        )
-
-    get_account_data_for_user = (
-        AccountDataStore.__dict__["get_account_data_for_user"]
-    )
-
-    get_global_account_data_by_type_for_users = (
-        AccountDataStore.__dict__["get_global_account_data_by_type_for_users"]
-    )
 
-    get_global_account_data_by_type_for_user = (
-        AccountDataStore.__dict__["get_global_account_data_by_type_for_user"]
-    )
-
-    get_tags_for_user = TagsStore.__dict__["get_tags_for_user"]
-    get_tags_for_room = (
-        DataStore.get_tags_for_room.__func__
-    )
-    get_account_data_for_room = (
-        DataStore.get_account_data_for_room.__func__
-    )
-
-    get_updated_tags = DataStore.get_updated_tags.__func__
-    get_updated_account_data_for_user = (
-        DataStore.get_updated_account_data_for_user.__func__
-    )
+        super(SlavedAccountDataStore, self).__init__(db_conn, hs)
 
     def get_max_account_data_stream_id(self):
         return self._account_data_id_gen.get_current_token()
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index 26faf985be..0f136f8a06 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -105,9 +105,6 @@ class DataStore(RoomMemberStore, RoomStore,
             db_conn, "events", "stream_ordering", step=-1,
             extra_tables=[("ex_outlier_stream", "event_stream_ordering")]
         )
-        self._account_data_id_gen = StreamIdGenerator(
-            db_conn, "account_data_max_stream_id", "stream_id"
-        )
         self._presence_id_gen = StreamIdGenerator(
             db_conn, "presence_stream", "stream_id"
         )
@@ -160,11 +157,6 @@ class DataStore(RoomMemberStore, RoomStore,
             "MembershipStreamChangeCache", events_max,
         )
 
-        account_max = self._account_data_id_gen.get_current_token()
-        self._account_data_stream_cache = StreamChangeCache(
-            "AccountDataAndTagsChangeCache", account_max,
-        )
-
         self._presence_on_startup = self._get_active_presence(db_conn)
 
         presence_cache_prefill, min_presence_val = self._get_cache_dict(
diff --git a/synapse/storage/account_data.py b/synapse/storage/account_data.py
index 56a0bde549..466194e96f 100644
--- a/synapse/storage/account_data.py
+++ b/synapse/storage/account_data.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 # Copyright 2014-2016 OpenMarket Ltd
+# Copyright 2018 New Vector Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -13,18 +14,46 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import SQLBaseStore
 from twisted.internet import defer
 
+from synapse.storage._base import SQLBaseStore
+from synapse.storage.util.id_generators import StreamIdGenerator
+
+from synapse.util.caches.stream_change_cache import StreamChangeCache
 from synapse.util.caches.descriptors import cached, cachedList, cachedInlineCallbacks
 
+import abc
 import ujson as json
 import logging
 
 logger = logging.getLogger(__name__)
 
 
-class AccountDataStore(SQLBaseStore):
+class AccountDataWorkerStore(SQLBaseStore):
+    """This is an abstract base class where subclasses must implement
+    `get_max_account_data_stream_id` which can be called in the initializer.
+    """
+
+    # This ABCMeta metaclass ensures that we cannot be instantiated without
+    # the abstract methods being implemented.
+    __metaclass__ = abc.ABCMeta
+
+    def __init__(self, db_conn, hs):
+        account_max = self.get_max_account_data_stream_id()
+        self._account_data_stream_cache = StreamChangeCache(
+            "AccountDataAndTagsChangeCache", account_max,
+        )
+
+        super(AccountDataWorkerStore, self).__init__(db_conn, hs)
+
+    @abc.abstractmethod
+    def get_max_account_data_stream_id(self):
+        """Get the current max stream ID for account data stream
+
+        Returns:
+            int
+        """
+        raise NotImplementedError()
 
     @cached()
     def get_account_data_for_user(self, user_id):
@@ -209,6 +238,36 @@ class AccountDataStore(SQLBaseStore):
             "get_updated_account_data_for_user", get_updated_account_data_for_user_txn
         )
 
+    @cachedInlineCallbacks(num_args=2, cache_context=True, max_entries=5000)
+    def is_ignored_by(self, ignored_user_id, ignorer_user_id, cache_context):
+        ignored_account_data = yield self.get_global_account_data_by_type_for_user(
+            "m.ignored_user_list", ignorer_user_id,
+            on_invalidate=cache_context.invalidate,
+        )
+        if not ignored_account_data:
+            defer.returnValue(False)
+
+        defer.returnValue(
+            ignored_user_id in ignored_account_data.get("ignored_users", {})
+        )
+
+
+class AccountDataStore(AccountDataWorkerStore):
+    def __init__(self, db_conn, hs):
+        self._account_data_id_gen = StreamIdGenerator(
+            db_conn, "account_data_max_stream_id", "stream_id"
+        )
+
+        super(AccountDataStore, self).__init__(db_conn, hs)
+
+    def get_max_account_data_stream_id(self):
+        """Get the current max stream id for the private user data stream
+
+        Returns:
+            A deferred int.
+        """
+        return self._account_data_id_gen.get_current_token()
+
     @defer.inlineCallbacks
     def add_account_data_to_room(self, user_id, room_id, account_data_type, content):
         """Add some account_data to a room for a user.
@@ -321,16 +380,3 @@ class AccountDataStore(SQLBaseStore):
             "update_account_data_max_stream_id",
             _update,
         )
-
-    @cachedInlineCallbacks(num_args=2, cache_context=True, max_entries=5000)
-    def is_ignored_by(self, ignored_user_id, ignorer_user_id, cache_context):
-        ignored_account_data = yield self.get_global_account_data_by_type_for_user(
-            "m.ignored_user_list", ignorer_user_id,
-            on_invalidate=cache_context.invalidate,
-        )
-        if not ignored_account_data:
-            defer.returnValue(False)
-
-        defer.returnValue(
-            ignored_user_id in ignored_account_data.get("ignored_users", {})
-        )
diff --git a/synapse/storage/tags.py b/synapse/storage/tags.py
index bff73f3f04..fc46bf7bb3 100644
--- a/synapse/storage/tags.py
+++ b/synapse/storage/tags.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 # Copyright 2014-2016 OpenMarket Ltd
+# Copyright 2018 New Vector Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -13,7 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import SQLBaseStore
+from synapse.storage.account_data import AccountDataWorkerStore
+
 from synapse.util.caches.descriptors import cached
 from twisted.internet import defer
 
@@ -23,15 +25,7 @@ import logging
 logger = logging.getLogger(__name__)
 
 
-class TagsStore(SQLBaseStore):
-    def get_max_account_data_stream_id(self):
-        """Get the current max stream id for the private user data stream
-
-        Returns:
-            A deferred int.
-        """
-        return self._account_data_id_gen.get_current_token()
-
+class TagsWorkerStore(AccountDataWorkerStore):
     @cached()
     def get_tags_for_user(self, user_id):
         """Get all the tags for a user.
@@ -170,6 +164,8 @@ class TagsStore(SQLBaseStore):
             row["tag"]: json.loads(row["content"]) for row in rows
         })
 
+
+class TagsStore(TagsWorkerStore):
     @defer.inlineCallbacks
     def add_tag_to_room(self, user_id, room_id, tag, content):
         """Add a tag to a room for a user.