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authorErik Johnston <erik@matrix.org>2016-08-03 14:47:37 +0100
committerErik Johnston <erik@matrix.org>2016-08-03 14:47:37 +0100
commite3a720217a9d200a7c3db8305df53ef8bf76f565 (patch)
tree6bbae434264801172f0859f0092a70c5fc6364c9 /synapse/federation/transport/client.py
parentPrint status code in federation_client.py (diff)
downloadsynapse-e3a720217a9d200a7c3db8305df53ef8bf76f565.tar.xz
Add /state_ids federation API
The new API only returns the event_ids for the state, as most
requesters will already have the vast majority of the events already.
Diffstat (limited to 'synapse/federation/transport/client.py')
-rw-r--r--synapse/federation/transport/client.py22
1 files changed, 22 insertions, 0 deletions
diff --git a/synapse/federation/transport/client.py b/synapse/federation/transport/client.py
index ebb698e278..3d088e43cb 100644
--- a/synapse/federation/transport/client.py
+++ b/synapse/federation/transport/client.py
@@ -55,6 +55,28 @@ class TransportLayerClient(object):
         )
 
     @log_function
+    def get_room_state_ids(self, destination, room_id, event_id):
+        """ Requests all state for a given room from the given server at the
+        given event. Returns the state's event_id's
+
+        Args:
+            destination (str): The host name of the remote home server we want
+                to get the state from.
+            context (str): The name of the context we want the state of
+            event_id (str): The event we want the context at.
+
+        Returns:
+            Deferred: Results in a dict received from the remote homeserver.
+        """
+        logger.debug("get_room_state_ids dest=%s, room=%s",
+                     destination, room_id)
+
+        path = PREFIX + "/state_ids/%s/" % room_id
+        return self.client.get_json(
+            destination, path=path, args={"event_id": event_id},
+        )
+
+    @log_function
     def get_event(self, destination, event_id, timeout=None):
         """ Requests the pdu with give id and origin from the given server.