Split out a FederationReader process

synapse/replication/slave/storage/keys.py

@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+# Copyright 2015, 2016 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# 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.
+
+from twisted.internet import defer
+
+from ._base import BaseSlavedStore
+from synapse.storage import DataStore
+from synapse.storage.keys import KeyStore
+
+
+class SlavedKeyStore(BaseSlavedStore):
+    # TODO: use the cached version and invalidate deleted tokens
+    get_all_server_verify_keys = defer.inlineCallbacks(KeyStore.__dict__[
+        "get_all_server_verify_keys"
+    ].orig)
+
+    get_server_verify_keys = DataStore.get_server_verify_keys.__func__