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-rw-r--r--synapse/replication/slave/storage/events.py50
-rw-r--r--synapse/storage/event_federation.py264
-rw-r--r--synapse/storage/signatures.py8
3 files changed, 148 insertions, 174 deletions
diff --git a/synapse/replication/slave/storage/events.py b/synapse/replication/slave/storage/events.py
index de0b26f437..d2495ff994 100644
--- a/synapse/replication/slave/storage/events.py
+++ b/synapse/replication/slave/storage/events.py
@@ -17,13 +17,13 @@ import logging
 
 from synapse.api.constants import EventTypes
 from synapse.storage import DataStore
-from synapse.storage.event_federation import EventFederationStore
+from synapse.storage.event_federation import EventFederationWorkerStore
 from synapse.storage.event_push_actions import EventPushActionsWorkerStore
 from synapse.storage.events_worker import EventsWorkerStore
 from synapse.storage.roommember import RoomMemberWorkerStore
 from synapse.storage.state import StateGroupWorkerStore
 from synapse.storage.stream import StreamStore
-from synapse.storage.signatures import SignatureStore
+from synapse.storage.signatures import SignatureWorkerStore
 from synapse.util.caches.stream_change_cache import StreamChangeCache
 from ._base import BaseSlavedStore
 from ._slaved_id_tracker import SlavedIdTracker
@@ -40,8 +40,12 @@ logger = logging.getLogger(__name__)
 # the method descriptor on the DataStore and chuck them into our class.
 
 
-class SlavedEventStore(RoomMemberWorkerStore, EventPushActionsWorkerStore,
-                       EventsWorkerStore, StateGroupWorkerStore,
+class SlavedEventStore(EventFederationWorkerStore,
+                       RoomMemberWorkerStore,
+                       EventPushActionsWorkerStore,
+                       EventsWorkerStore,
+                       StateGroupWorkerStore,
+                       SignatureWorkerStore,
                        BaseSlavedStore):
 
     def __init__(self, db_conn, hs):
@@ -72,9 +76,6 @@ class SlavedEventStore(RoomMemberWorkerStore, EventPushActionsWorkerStore,
 
     # Cached functions can't be accessed through a class instance so we need
     # to reach inside the __dict__ to extract them.
-    get_latest_event_ids_in_room = EventFederationStore.__dict__[
-        "get_latest_event_ids_in_room"
-    ]
 
     get_recent_event_ids_for_room = (
         StreamStore.__dict__["get_recent_event_ids_for_room"]
@@ -100,48 +101,13 @@ class SlavedEventStore(RoomMemberWorkerStore, EventPushActionsWorkerStore,
 
     _get_events_around_txn = DataStore._get_events_around_txn.__func__
 
-    get_backfill_events = DataStore.get_backfill_events.__func__
-    _get_backfill_events = DataStore._get_backfill_events.__func__
-    get_missing_events = DataStore.get_missing_events.__func__
-    _get_missing_events = DataStore._get_missing_events.__func__
-
-    get_auth_chain = DataStore.get_auth_chain.__func__
-    get_auth_chain_ids = DataStore.get_auth_chain_ids.__func__
-    _get_auth_chain_ids_txn = DataStore._get_auth_chain_ids_txn.__func__
-
     get_room_max_stream_ordering = DataStore.get_room_max_stream_ordering.__func__
 
-    get_forward_extremeties_for_room = (
-        DataStore.get_forward_extremeties_for_room.__func__
-    )
-    _get_forward_extremeties_for_room = (
-        EventFederationStore.__dict__["_get_forward_extremeties_for_room"]
-    )
-
     get_all_new_events_stream = DataStore.get_all_new_events_stream.__func__
 
     get_federation_out_pos = DataStore.get_federation_out_pos.__func__
     update_federation_out_pos = DataStore.update_federation_out_pos.__func__
 
-    get_latest_event_ids_and_hashes_in_room = (
-        DataStore.get_latest_event_ids_and_hashes_in_room.__func__
-    )
-    _get_latest_event_ids_and_hashes_in_room = (
-        DataStore._get_latest_event_ids_and_hashes_in_room.__func__
-    )
-    _get_event_reference_hashes_txn = (
-        DataStore._get_event_reference_hashes_txn.__func__
-    )
-    add_event_hashes = (
-        DataStore.add_event_hashes.__func__
-    )
-    get_event_reference_hashes = (
-        SignatureStore.__dict__["get_event_reference_hashes"]
-    )
-    get_event_reference_hash = (
-        SignatureStore.__dict__["get_event_reference_hash"]
-    )
-
     def stream_positions(self):
         result = super(SlavedEventStore, self).stream_positions()
         result["events"] = self._stream_id_gen.get_current_token()
diff --git a/synapse/storage/event_federation.py b/synapse/storage/event_federation.py
index 55a05c59d5..00ee82d300 100644
--- a/synapse/storage/event_federation.py
+++ b/synapse/storage/event_federation.py
@@ -15,7 +15,10 @@
 
 from twisted.internet import defer
 
-from ._base import SQLBaseStore
+from synapse.storage._base import SQLBaseStore
+from synapse.storage.events import EventsWorkerStore
+from synapse.storage.signatures import SignatureWorkerStore
+
 from synapse.api.errors import StoreError
 from synapse.util.caches.descriptors import cached
 from unpaddedbase64 import encode_base64
@@ -27,30 +30,8 @@ from Queue import PriorityQueue, Empty
 logger = logging.getLogger(__name__)
 
 
-class EventFederationStore(SQLBaseStore):
-    """ Responsible for storing and serving up the various graphs associated
-    with an event. Including the main event graph and the auth chains for an
-    event.
-
-    Also has methods for getting the front (latest) and back (oldest) edges
-    of the event graphs. These are used to generate the parents for new events
-    and backfilling from another server respectively.
-    """
-
-    EVENT_AUTH_STATE_ONLY = "event_auth_state_only"
-
-    def __init__(self, db_conn, hs):
-        super(EventFederationStore, self).__init__(db_conn, hs)
-
-        self.register_background_update_handler(
-            self.EVENT_AUTH_STATE_ONLY,
-            self._background_delete_non_state_event_auth,
-        )
-
-        hs.get_clock().looping_call(
-            self._delete_old_forward_extrem_cache, 60 * 60 * 1000
-        )
-
+class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore,
+                                 SQLBaseStore):
     def get_auth_chain(self, event_ids, include_given=False):
         """Get auth events for given event_ids. The events *must* be state events.
 
@@ -228,88 +209,6 @@ class EventFederationStore(SQLBaseStore):
 
         return int(min_depth) if min_depth is not None else None
 
-    def _update_min_depth_for_room_txn(self, txn, room_id, depth):
-        min_depth = self._get_min_depth_interaction(txn, room_id)
-
-        if min_depth and depth >= min_depth:
-            return
-
-        self._simple_upsert_txn(
-            txn,
-            table="room_depth",
-            keyvalues={
-                "room_id": room_id,
-            },
-            values={
-                "min_depth": depth,
-            },
-        )
-
-    def _handle_mult_prev_events(self, txn, events):
-        """
-        For the given event, update the event edges table and forward and
-        backward extremities tables.
-        """
-        self._simple_insert_many_txn(
-            txn,
-            table="event_edges",
-            values=[
-                {
-                    "event_id": ev.event_id,
-                    "prev_event_id": e_id,
-                    "room_id": ev.room_id,
-                    "is_state": False,
-                }
-                for ev in events
-                for e_id, _ in ev.prev_events
-            ],
-        )
-
-        self._update_backward_extremeties(txn, events)
-
-    def _update_backward_extremeties(self, txn, events):
-        """Updates the event_backward_extremities tables based on the new/updated
-        events being persisted.
-
-        This is called for new events *and* for events that were outliers, but
-        are now being persisted as non-outliers.
-
-        Forward extremities are handled when we first start persisting the events.
-        """
-        events_by_room = {}
-        for ev in events:
-            events_by_room.setdefault(ev.room_id, []).append(ev)
-
-        query = (
-            "INSERT INTO event_backward_extremities (event_id, room_id)"
-            " SELECT ?, ? WHERE NOT EXISTS ("
-            " SELECT 1 FROM event_backward_extremities"
-            " WHERE event_id = ? AND room_id = ?"
-            " )"
-            " AND NOT EXISTS ("
-            " SELECT 1 FROM events WHERE event_id = ? AND room_id = ? "
-            " AND outlier = ?"
-            " )"
-        )
-
-        txn.executemany(query, [
-            (e_id, ev.room_id, e_id, ev.room_id, e_id, ev.room_id, False)
-            for ev in events for e_id, _ in ev.prev_events
-            if not ev.internal_metadata.is_outlier()
-        ])
-
-        query = (
-            "DELETE FROM event_backward_extremities"
-            " WHERE event_id = ? AND room_id = ?"
-        )
-        txn.executemany(
-            query,
-            [
-                (ev.event_id, ev.room_id) for ev in events
-                if not ev.internal_metadata.is_outlier()
-            ]
-        )
-
     def get_forward_extremeties_for_room(self, room_id, stream_ordering):
         """For a given room_id and stream_ordering, return the forward
         extremeties of the room at that point in "time".
@@ -371,28 +270,6 @@ class EventFederationStore(SQLBaseStore):
             get_forward_extremeties_for_room_txn
         )
 
-    def _delete_old_forward_extrem_cache(self):
-        def _delete_old_forward_extrem_cache_txn(txn):
-            # Delete entries older than a month, while making sure we don't delete
-            # the only entries for a room.
-            sql = ("""
-                DELETE FROM stream_ordering_to_exterm
-                WHERE
-                room_id IN (
-                    SELECT room_id
-                    FROM stream_ordering_to_exterm
-                    WHERE stream_ordering > ?
-                ) AND stream_ordering < ?
-            """)
-            txn.execute(
-                sql,
-                (self.stream_ordering_month_ago, self.stream_ordering_month_ago,)
-            )
-        return self.runInteraction(
-            "_delete_old_forward_extrem_cache",
-            _delete_old_forward_extrem_cache_txn
-        )
-
     def get_backfill_events(self, room_id, event_list, limit):
         """Get a list of Events for a given topic that occurred before (and
         including) the events in event_list. Return a list of max size `limit`
@@ -522,6 +399,135 @@ class EventFederationStore(SQLBaseStore):
 
         return event_results
 
+
+class EventFederationStore(EventFederationWorkerStore):
+    """ Responsible for storing and serving up the various graphs associated
+    with an event. Including the main event graph and the auth chains for an
+    event.
+
+    Also has methods for getting the front (latest) and back (oldest) edges
+    of the event graphs. These are used to generate the parents for new events
+    and backfilling from another server respectively.
+    """
+
+    EVENT_AUTH_STATE_ONLY = "event_auth_state_only"
+
+    def __init__(self, db_conn, hs):
+        super(EventFederationStore, self).__init__(db_conn, hs)
+
+        self.register_background_update_handler(
+            self.EVENT_AUTH_STATE_ONLY,
+            self._background_delete_non_state_event_auth,
+        )
+
+        hs.get_clock().looping_call(
+            self._delete_old_forward_extrem_cache, 60 * 60 * 1000
+        )
+
+    def _update_min_depth_for_room_txn(self, txn, room_id, depth):
+        min_depth = self._get_min_depth_interaction(txn, room_id)
+
+        if min_depth and depth >= min_depth:
+            return
+
+        self._simple_upsert_txn(
+            txn,
+            table="room_depth",
+            keyvalues={
+                "room_id": room_id,
+            },
+            values={
+                "min_depth": depth,
+            },
+        )
+
+    def _handle_mult_prev_events(self, txn, events):
+        """
+        For the given event, update the event edges table and forward and
+        backward extremities tables.
+        """
+        self._simple_insert_many_txn(
+            txn,
+            table="event_edges",
+            values=[
+                {
+                    "event_id": ev.event_id,
+                    "prev_event_id": e_id,
+                    "room_id": ev.room_id,
+                    "is_state": False,
+                }
+                for ev in events
+                for e_id, _ in ev.prev_events
+            ],
+        )
+
+        self._update_backward_extremeties(txn, events)
+
+    def _update_backward_extremeties(self, txn, events):
+        """Updates the event_backward_extremities tables based on the new/updated
+        events being persisted.
+
+        This is called for new events *and* for events that were outliers, but
+        are now being persisted as non-outliers.
+
+        Forward extremities are handled when we first start persisting the events.
+        """
+        events_by_room = {}
+        for ev in events:
+            events_by_room.setdefault(ev.room_id, []).append(ev)
+
+        query = (
+            "INSERT INTO event_backward_extremities (event_id, room_id)"
+            " SELECT ?, ? WHERE NOT EXISTS ("
+            " SELECT 1 FROM event_backward_extremities"
+            " WHERE event_id = ? AND room_id = ?"
+            " )"
+            " AND NOT EXISTS ("
+            " SELECT 1 FROM events WHERE event_id = ? AND room_id = ? "
+            " AND outlier = ?"
+            " )"
+        )
+
+        txn.executemany(query, [
+            (e_id, ev.room_id, e_id, ev.room_id, e_id, ev.room_id, False)
+            for ev in events for e_id, _ in ev.prev_events
+            if not ev.internal_metadata.is_outlier()
+        ])
+
+        query = (
+            "DELETE FROM event_backward_extremities"
+            " WHERE event_id = ? AND room_id = ?"
+        )
+        txn.executemany(
+            query,
+            [
+                (ev.event_id, ev.room_id) for ev in events
+                if not ev.internal_metadata.is_outlier()
+            ]
+        )
+
+    def _delete_old_forward_extrem_cache(self):
+        def _delete_old_forward_extrem_cache_txn(txn):
+            # Delete entries older than a month, while making sure we don't delete
+            # the only entries for a room.
+            sql = ("""
+                DELETE FROM stream_ordering_to_exterm
+                WHERE
+                room_id IN (
+                    SELECT room_id
+                    FROM stream_ordering_to_exterm
+                    WHERE stream_ordering > ?
+                ) AND stream_ordering < ?
+            """)
+            txn.execute(
+                sql,
+                (self.stream_ordering_month_ago, self.stream_ordering_month_ago,)
+            )
+        return self.runInteraction(
+            "_delete_old_forward_extrem_cache",
+            _delete_old_forward_extrem_cache_txn
+        )
+
     def clean_room_for_join(self, room_id):
         return self.runInteraction(
             "clean_room_for_join",
diff --git a/synapse/storage/signatures.py b/synapse/storage/signatures.py
index 67d5d9969a..e6eeb1b641 100644
--- a/synapse/storage/signatures.py
+++ b/synapse/storage/signatures.py
@@ -22,9 +22,7 @@ from synapse.crypto.event_signing import compute_event_reference_hash
 from synapse.util.caches.descriptors import cached, cachedList
 
 
-class SignatureStore(SQLBaseStore):
-    """Persistence for event signatures and hashes"""
-
+class SignatureWorkerStore(SQLBaseStore):
     @cached()
     def get_event_reference_hash(self, event_id):
         return self._get_event_reference_hashes_txn(event_id)
@@ -74,6 +72,10 @@ class SignatureStore(SQLBaseStore):
         txn.execute(query, (event_id, ))
         return {k: v for k, v in txn}
 
+
+class SignatureStore(SignatureWorkerStore):
+    """Persistence for event signatures and hashes"""
+
     def _store_event_reference_hashes_txn(self, txn, events):
         """Store a hash for a PDU
         Args: