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authorMark Haines <mjark@negativecurvature.net>2016-04-21 16:18:00 +0100
committerMark Haines <mjark@negativecurvature.net>2016-04-21 16:18:00 +0100
commitd4823efad9d1d881c12c779e9e94691d90d8902b (patch)
treeb22fbc6cdc687739264bbab7f8cb88244d2f05ab /synapse/replication/slave/storage
parentpip install new python dependencies in jenkins.sh (diff)
downloadsynapse-d4823efad9d1d881c12c779e9e94691d90d8902b.tar.xz
Replicate the pushers
Diffstat (limited to 'synapse/replication/slave/storage')
-rw-r--r--synapse/replication/slave/storage/pushers.py52
1 files changed, 52 insertions, 0 deletions
diff --git a/synapse/replication/slave/storage/pushers.py b/synapse/replication/slave/storage/pushers.py
new file mode 100644
index 0000000000..8faddb2595
--- /dev/null
+++ b/synapse/replication/slave/storage/pushers.py
@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+# Copyright 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 ._base import BaseSlavedStore
+from ._slaved_id_tracker import SlavedIdTracker
+
+from synapse.storage import DataStore
+
+
+class SlavedPusherStore(BaseSlavedStore):
+
+    def __init__(self, db_conn, hs):
+        super(SlavedPusherStore, self).__init__(db_conn, hs)
+        self._pushers_id_gen = SlavedIdTracker(
+            db_conn, "pushers", "id",
+            extra_tables=[("deleted_pushers", "stream_id")],
+        )
+
+    get_all_pushers = DataStore.get_all_pushers.__func__
+    get_pushers_by = DataStore.get_pushers_by.__func__
+    get_pushers_by_app_id_and_pushkey = (
+        DataStore.get_pushers_by_app_id_and_pushkey.__func__
+    )
+    _decode_pushers_rows = DataStore._decode_pushers_rows.__func__
+
+    def stream_positions(self):
+        result = super(SlavedPusherStore, self).stream_positions()
+        result["pushers"] = self._pushers_id_gen.get_current_token()
+        return result
+
+    def process_replication(self, result):
+        stream = result.get("pushers")
+        if stream:
+            self._pushers_id_gen.advance(stream["position"])
+
+        stream = result.get("deleted_pushers")
+        if stream:
+            self._pushers_id_gen.advance(stream["position"])
+
+        return super(SlavedPusherStore, self).process_replication(result)