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authorErik Johnston <erik@matrix.org>2016-04-12 12:48:30 +0100
committerErik Johnston <erik@matrix.org>2016-04-12 12:48:30 +0100
commitc48465dbaa8f154c0ac5b87db7b5b1790cc483ad (patch)
tree688d57f0af0403757482f01c1bb0c53694b0387d /synapse/handlers
parentMore comments (diff)
downloadsynapse-c48465dbaa8f154c0ac5b87db7b5b1790cc483ad.tar.xz
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Diffstat (limited to 'synapse/handlers')
-rw-r--r--synapse/handlers/federation.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 0c65a48322..5ac55e10f3 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -399,6 +399,9 @@ class FederationHandler(BaseHandler):
             if event in events_to_state:
                 continue
 
+            # We store these one at a time since each event depends on the
+            # previous to work out the state.
+            # TODO: We can probably do something more clever here.
             yield self._handle_new_event(
                 dest, event
             )
@@ -480,6 +483,7 @@ class FederationHandler(BaseHandler):
                     )
                     # If this succeeded then we probably already have the
                     # appropriate stuff.
+                    # TODO: We can probably do something more intelligent here.
                     defer.returnValue(True)
                 except SynapseError as e:
                     logger.info(
@@ -1122,6 +1126,11 @@ class FederationHandler(BaseHandler):
 
     @defer.inlineCallbacks
     def _handle_new_events(self, origin, event_infos, backfilled=False):
+        """Creates the appropriate contexts and persists events. The events
+        should not depend on one another, e.g. this should be used to persist
+        a bunch of outliers, but not a chunk of individual events that depend
+        on each other for state calculations.
+        """
         contexts = yield defer.gatherResults(
             [
                 self._prep_event(