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https://github.com/element-hq/synapse
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Add a replication stream for direct to device messages
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parent
55fc17cf4b
commit
1aa3e1d287
4 changed files with 77 additions and 3 deletions
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@ -42,6 +42,7 @@ STREAM_NAMES = (
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("pushers",),
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("state",),
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("caches",),
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("to_device",),
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)
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@ -144,6 +145,7 @@ class ReplicationResource(Resource):
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pushers_token,
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state_token,
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caches_token,
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int(stream_token.to_device_key),
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))
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@request_handler()
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@ -193,6 +195,7 @@ class ReplicationResource(Resource):
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yield self.pushers(writer, current_token, limit, request_streams)
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yield self.state(writer, current_token, limit, request_streams)
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yield self.caches(writer, current_token, limit, request_streams)
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yield self.to_device(writer, current_token, limit, request_streams)
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self.streams(writer, current_token, request_streams)
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logger.info("Replicated %d rows", writer.total)
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@ -398,6 +401,20 @@ class ReplicationResource(Resource):
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"position", "cache_func", "keys", "invalidation_ts"
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))
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@defer.inlineCallbacks
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def to_device(self, writer, current_token, limit, request_streams):
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current_position = current_token.to_device
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to_device = request_streams.get("to_device")
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if to_device is not None:
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to_device_rows = yield self.store.get_all_new_device_messages(
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to_device, current_position, limit
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)
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writer.write_header_and_rows("to_device", to_device_rows, (
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"position", "user_id", "device_id", "message_json"
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))
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class _Writer(object):
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"""Writes the streams as a JSON object as the response to the request"""
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@ -426,7 +443,7 @@ class _Writer(object):
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class _ReplicationToken(collections.namedtuple("_ReplicationToken", (
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"events", "presence", "typing", "receipts", "account_data", "backfill",
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"push_rules", "pushers", "state", "caches",
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"push_rules", "pushers", "state", "caches", "to_device",
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))):
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__slots__ = []
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@ -28,3 +28,15 @@ class SlavedDeviceInboxStore(BaseSlavedStore):
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get_to_device_stream_token = DataStore.get_to_device_stream_token.__func__
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get_new_messages_for_device = DataStore.get_new_messages_for_device.__func__
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delete_messages_for_device = DataStore.delete_messages_for_device.__func__
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def stream_positions(self):
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result = super(SlavedDeviceInboxStore, self).stream_positions()
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result["to_device"] = self._device_inbox_id_gen.get_current_token()
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return result
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def process_replication(self, result):
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stream = result.get("to_device")
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if stream:
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self._device_inbox_id_gen.advance(int(stream["position"]))
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return super(SlavedDeviceInboxStore, self).process_replication(result)
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@ -40,6 +40,7 @@ class SendToDeviceRestServlet(servlet.RestServlet):
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self.hs = hs
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self.auth = hs.get_auth()
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self.store = hs.get_datastore()
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self.notifier = hs.get_notifier()
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self.is_mine_id = hs.is_mine_id
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self.txns = HttpTransactionStore()
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@ -71,9 +72,14 @@ class SendToDeviceRestServlet(servlet.RestServlet):
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}
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for device_id, message_content in by_device.items()
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}
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local_messages[user_id] = messages_by_device
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if messages_by_device:
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local_messages[user_id] = messages_by_device
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yield self.store.add_messages_to_device_inbox(local_messages)
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stream_id = yield self.store.add_messages_to_device_inbox(local_messages)
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self.notifier.on_new_event(
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"to_device", stream_id, users=local_messages.keys()
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)
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response = (200, {})
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self.txns.store_client_transaction(request, txn_id, response)
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@ -136,5 +136,44 @@ class DeviceInboxStore(SQLBaseStore):
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"delete_messages_for_device", delete_messages_for_device_txn
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)
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def get_all_new_device_messages(self, last_pos, current_pos, limit):
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"""
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Args:
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last_pos(int):
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current_pos(int):
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limit(int):
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Returns:
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A deferred list of rows from the device inbox
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"""
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if last_pos == current_pos:
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return defer.succeed([])
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def get_all_new_device_messages_txn(txn):
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sql = (
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"SELECT stream_id FROM device_inbox"
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" WHERE ? < stream_id AND stream_id <= ?"
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" GROUP BY stream_id"
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" ORDER BY stream_id ASC"
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" LIMIT ?"
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)
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txn.execute(sql, (last_pos, current_pos, limit))
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stream_ids = txn.fetchall()
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if not stream_ids:
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return []
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max_stream_id_in_limit = stream_ids[-1]
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sql = (
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"SELECT stream_id, user_id, device_id, message_json"
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" FROM device_inbox"
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" WHERE ? < stream_id AND stream_id <= ?"
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" ORDER BY stream_id ASC"
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)
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txn.execute(sql, (last_pos, max_stream_id_in_limit))
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return txn.fetchall()
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return self.runInteraction(
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"get_all_new_device_messages", get_all_new_device_messages_txn
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)
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def get_to_device_stream_token(self):
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return self._device_inbox_id_gen.get_current_token()
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