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Only send events that originate on this server.

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Or events that are sent via the federation "send_join" API.

This should match the behaviour from before v0.18.5 and #1635 landed.
This commit is contained in:
Mark Haines 2017-01-05 11:26:30 +00:00
parent 0d766c8ccf
commit f784980d2b
3 changed files with 25 additions and 0 deletions
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9
synapse/events/__init__.py
View File

@ -36,6 +36,15 @@ class _EventInternalMetadata(object):
def is_invite_from_remote(self):
return getattr(self, "invite_from_remote", False)
def get_send_on_behalf_of(self):
"""Whether this server should send the event on behalf of another server.
This is used by the federation "send_join" API to forward the initial join
event for a server in the room.
returns a str with the name of the server this event is sent on behalf of.
"""
return getattr(self, "get_send_on_behalf_of", None)
def _event_dict_property(key):
def getter(self):

12
synapse/federation/transaction_queue.py
View File

@ -61,6 +61,7 @@ class TransactionQueue(object):
self.transport_layer = hs.get_federation_transport_client()
self.clock = hs.get_clock()
self.is_mine_id = hs.is_mine_id
# Is a mapping from destinations -> deferreds. Used to keep track
# of which destinations have transactions in flight and when they are
@ -152,6 +153,12 @@ class TransactionQueue(object):
break
for event in events:
# Only send events for this server.
send_on_behalf_of = event.internal_metadata.get_send_on_behalf_of()
is_mine = self.is_mine_id(event.event_id)
if not is_mine and send_on_behalf_of is None:
continue
# Get the state from before the event.
# We need to make sure that this is the state from before
# the event and not from after it.
@ -167,6 +174,11 @@ class TransactionQueue(object):
destinations = set(
get_domain_from_id(user_id) for user_id in users_in_room
)
if send_on_behalf_of is not None:
# If we are sending the event on behalf of another server
# then it already has the event and there is no reason to
# send the event to it.
destinations.discard(send_on_behalf_of)
logger.debug("Sending %s to %r", event, destinations)

4
synapse/handlers/federation.py
View File

@ -790,6 +790,10 @@ class FederationHandler(BaseHandler):
)
event.internal_metadata.outlier = False
# Send this event on behalf of the origin server since they may not
# have an up to data view of the state of the room at this event so
# will not know which servers to send the event to.
event.internal_metadata.send_on_behalf_of = origin
context, event_stream_id, max_stream_id = yield self._handle_new_event(
origin, event