3 files changed, 77 insertions, 1 deletions
diff --git a/synapse/storage/deviceinbox.py b/synapse/storage/deviceinbox.py
index e682fe1bd1..2fa0a218b9 100644
--- a/synapse/storage/deviceinbox.py
+++ b/synapse/storage/deviceinbox.py
@@ -33,7 +33,8 @@ class DeviceInboxStore(SQLBaseStore):
             messages_by_user_and_device(dict):
                 Dictionary of user_id to device_id to message.
         Returns:
-            A deferred that resolves when the messages have been inserted.
+            A deferred stream_id that resolves when the messages have been
+            inserted.
         """
 
         def select_devices_txn(txn, user_id, devices):
@@ -81,6 +82,8 @@ class DeviceInboxStore(SQLBaseStore):
                 stream_id
             )
 
+        defer.returnValue(self._device_inbox_id_gen.get_current_token())
+
     def get_new_messages_for_device(
         self, user_id, device_id, current_stream_id, limit=100
     ):
@@ -136,5 +139,44 @@ class DeviceInboxStore(SQLBaseStore):
             "delete_messages_for_device", delete_messages_for_device_txn
         )
 
+    def get_all_new_device_messages(self, last_pos, current_pos, limit):
+        """
+        Args:
+            last_pos(int):
+            current_pos(int):
+            limit(int):
+        Returns:
+            A deferred list of rows from the device inbox
+        """
+        if last_pos == current_pos:
+            return defer.succeed([])
+
+        def get_all_new_device_messages_txn(txn):
+            sql = (
+                "SELECT stream_id FROM device_inbox"
+                " WHERE ? < stream_id AND stream_id <= ?"
+                " GROUP BY stream_id"
+                " ORDER BY stream_id ASC"
+                " LIMIT ?"
+            )
+            txn.execute(sql, (last_pos, current_pos, limit))
+            stream_ids = txn.fetchall()
+            if not stream_ids:
+                return []
+            max_stream_id_in_limit = stream_ids[-1]
+
+            sql = (
+                "SELECT stream_id, user_id, device_id, message_json"
+                " FROM device_inbox"
+                " WHERE ? < stream_id AND stream_id <= ?"
+                " ORDER BY stream_id ASC"
+            )
+            txn.execute(sql, (last_pos, max_stream_id_in_limit))
+            return txn.fetchall()
+
+        return self.runInteraction(
+            "get_all_new_device_messages", get_all_new_device_messages_txn
+        )
+
     def get_to_device_stream_token(self):
         return self._device_inbox_id_gen.get_current_token()
diff --git a/synapse/storage/schema/delta/34/sent_txn_purge.py b/synapse/storage/schema/delta/34/sent_txn_purge.py
new file mode 100644
index 0000000000..81948e3431
--- /dev/null
+++ b/synapse/storage/schema/delta/34/sent_txn_purge.py
@@ -0,0 +1,32 @@
+# 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 synapse.storage.engines import PostgresEngine
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+def run_create(cur, database_engine, *args, **kwargs):
+    if isinstance(database_engine, PostgresEngine):
+        cur.execute("TRUNCATE sent_transactions")
+    else:
+        cur.execute("DELETE FROM sent_transactions")
+
+    cur.execute("CREATE INDEX sent_transactions_ts ON sent_transactions(ts)")
+
+
+def run_upgrade(cur, database_engine, *args, **kwargs):
+    pass
diff --git a/synapse/storage/transactions.py b/synapse/storage/transactions.py
index 58d4de4f1d..1c588bd46b 100644
--- a/synapse/storage/transactions.py
+++ b/synapse/storage/transactions.py
@@ -387,8 +387,10 @@ class TransactionStore(SQLBaseStore):
     def _cleanup_transactions(self):
         now = self._clock.time_msec()
         month_ago = now - 30 * 24 * 60 * 60 * 1000
+        six_hours_ago = now - 6 * 60 * 60 * 1000
 
         def _cleanup_transactions_txn(txn):
             txn.execute("DELETE FROM received_transactions WHERE ts < ?", (month_ago,))
+            txn.execute("DELETE FROM sent_transactions WHERE ts < ?", (six_hours_ago,))
 
         return self.runInteraction("_persist_in_mem_txns", _cleanup_transactions_txn)