Hook up the send queue and create a federation sender worker

1 files changed, 24 insertions, 0 deletions

diff --git a/synapse/replication/resource.py b/synapse/replication/resource.py
index 5a14c51d23..a77312ae34 100644
--- a/synapse/replication/resource.py
+++ b/synapse/replication/resource.py
@@ -44,6 +44,7 @@ STREAM_NAMES = (
     ("caches",),
     ("to_device",),
     ("public_rooms",),
+    ("federation",),
 )
 
 
@@ -116,8 +117,10 @@ class ReplicationResource(Resource):
         self.sources = hs.get_event_sources()
         self.presence_handler = hs.get_presence_handler()
         self.typing_handler = hs.get_typing_handler()
+        self.federation_sender = hs.get_federation_sender()
         self.notifier = hs.notifier
         self.clock = hs.get_clock()
+        self.config = hs.get_config()
 
         self.putChild("remove_pushers", PusherResource(hs))
         self.putChild("syncing_users", PresenceResource(hs))
@@ -134,6 +137,7 @@ class ReplicationResource(Resource):
         pushers_token = self.store.get_pushers_stream_token()
         caches_token = self.store.get_cache_stream_token()
         public_rooms_token = self.store.get_current_public_room_stream_id()
+        federation_token = self.federation_sender.get_current_token()
 
         defer.returnValue(_ReplicationToken(
             room_stream_token,
@@ -148,6 +152,7 @@ class ReplicationResource(Resource):
             caches_token,
             int(stream_token.to_device_key),
             int(public_rooms_token),
+            int(federation_token),
         ))
 
     @request_handler()
@@ -202,6 +207,7 @@ class ReplicationResource(Resource):
         yield self.caches(writer, current_token, limit, request_streams)
         yield self.to_device(writer, current_token, limit, request_streams)
         yield self.public_rooms(writer, current_token, limit, request_streams)
+        self.federation(writer, current_token, limit, request_streams)
         self.streams(writer, current_token, request_streams)
 
         logger.debug("Replicated %d rows", writer.total)
@@ -465,6 +471,23 @@ class ReplicationResource(Resource):
                 "position", "room_id", "visibility"
             ), position=upto_token)
 
+    def federation(self, writer, current_token, limit, request_streams):
+        if self.config.send_federation:
+            return
+
+        current_position = current_token.federation
+
+        federation = request_streams.get("federation")
+
+        if federation is not None and federation != current_position:
+            federation_rows = self.federation_sender.get_replication_rows(
+                federation, limit,
+            )
+            upto_token = _position_from_rows(federation_rows, current_position)
+            writer.write_header_and_rows("federation", federation_rows, (
+                "position", "type", "content",
+            ), position=upto_token)
+
 
 class _Writer(object):
     """Writes the streams as a JSON object as the response to the request"""
@@ -497,6 +520,7 @@ class _Writer(object):
 class _ReplicationToken(collections.namedtuple("_ReplicationToken", (
     "events", "presence", "typing", "receipts", "account_data", "backfill",
     "push_rules", "pushers", "state", "caches", "to_device", "public_rooms",
+    "federation",
 ))):
     __slots__ = []