Clarifications in FederationHandler

* add some comments on things that look a bit bogus
* rename this `state` variable to avoid confusion with the `state` used
  elsewhere in this function. (There was no actual conflict, but it was
  a confusing bit of spaghetti.)
This commit is contained in:
Richard van der Hoff 2018-09-26 08:09:07 +01:00
parent 92abd3d6d6
commit e3c159863d

View File

@ -341,14 +341,23 @@ class FederationHandler(BaseHandler):
)
with logcontext.nested_logging_context(p):
state, got_auth_chain = (
# XXX if any of the missing prevs share missing state or auth
# events, we'll end up requesting those missing events for
# *each* missing prev, contributing to the hammering of /event
# as per https://github.com/matrix-org/synapse/issues/2164.
remote_state, got_auth_chain = (
yield self.federation_client.get_state_for_room(
origin, room_id, p,
)
)
# XXX hrm I'm not convinced that duplicate events will compare
# for equality, so I'm not sure this does what the author
# hoped.
auth_chains.update(got_auth_chain)
state_group = {
(x.type, x.state_key): x.event_id for x in state
(x.type, x.state_key): x.event_id for x in remote_state
}
state_groups.append(state_group)