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authorErik Johnston <erik@matrix.org>2014-08-19 14:20:03 +0100
committerErik Johnston <erik@matrix.org>2014-08-19 14:20:03 +0100
commit75b6d982a01a431a89d2ab76d91a09159630d059 (patch)
treefbcaf076fba353d05f757180ab19f7ea823c37e4 /synapse/federation/handler.py
parentChange the way pagination works to support out of order events. (diff)
downloadsynapse-75b6d982a01a431a89d2ab76d91a09159630d059.tar.xz
Add a 'backfill room' button
Diffstat (limited to 'synapse/federation/handler.py')
-rw-r--r--synapse/federation/handler.py22
1 files changed, 15 insertions, 7 deletions
diff --git a/synapse/federation/handler.py b/synapse/federation/handler.py
index 68243d31d0..984c1558e9 100644
--- a/synapse/federation/handler.py
+++ b/synapse/federation/handler.py
@@ -74,10 +74,18 @@ class FederationEventHandler(object):
 
     @log_function
     @defer.inlineCallbacks
-    def backfill(self, room_id, limit):
-        # TODO: Work out which destinations to ask for backfill
-        # self.replication_layer.backfill(dest, room_id, limit)
-        pass
+    def backfill(self, dest, room_id, limit):
+        pdus = yield self.replication_layer.backfill(dest, room_id, limit)
+
+        if not pdus:
+            defer.returnValue([])
+
+        events = [
+            self.pdu_codec.event_from_pdu(pdu)
+            for pdu in pdus
+        ]
+
+        defer.returnValue(events)
 
     @log_function
     def get_state_for_room(self, destination, room_id):
@@ -87,7 +95,7 @@ class FederationEventHandler(object):
 
     @log_function
     @defer.inlineCallbacks
-    def on_receive_pdu(self, pdu):
+    def on_receive_pdu(self, pdu, backfilled):
         """ Called by the ReplicationLayer when we have a new pdu. We need to
         do auth checks and put it throught the StateHandler.
         """
@@ -95,7 +103,7 @@ class FederationEventHandler(object):
 
         try:
             with (yield self.lock_manager.lock(pdu.context)):
-                if event.is_state:
+                if event.is_state and not backfilled:
                     is_new_state = yield self.state_handler.handle_new_state(
                         pdu
                     )
@@ -104,7 +112,7 @@ class FederationEventHandler(object):
                 else:
                     is_new_state = False
 
-            yield self.event_handler.on_receive(event, is_new_state)
+            yield self.event_handler.on_receive(event, is_new_state, backfilled)
 
         except AuthError:
             # TODO: Implement something in federation that allows us to