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Fill out prev_events before calling persist_event

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This commit is contained in:
Mark Haines 2014-08-27 13:34:28 +01:00
parent 474dcecb11
commit a03c7f27a8
5 changed files with 57 additions and 83 deletions
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70
synapse/handlers/federation.py
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@ -78,7 +78,6 @@ class FederationHandler(BaseHandler):
Deferred: Resolved when it has successfully been queued for
processing.
"""
yield self.fill_out_prev_events(event, snapshot)
pdu = self.pdu_codec.pdu_from_event(event)
@ -87,7 +86,6 @@ class FederationHandler(BaseHandler):
yield self.replication_layer.send_pdu(pdu)
@log_function
def get_state_for_room(self, destination, room_id):
return self.replication_layer.get_state_for_context(
@ -102,64 +100,18 @@ class FederationHandler(BaseHandler):
"""
event = self.pdu_codec.event_from_pdu(pdu)
try:
with (yield self.lock_manager.lock(pdu.context)):
if event.is_state and not backfilled:
is_new_state = yield self.state_handler.handle_new_state(
pdu
)
if not is_new_state:
return
else:
is_new_state = False
with (yield self.lock_manager.lock(pdu.context)):
if event.is_state and not backfilled:
is_new_state = yield self.state_handler.handle_new_state(
pdu
)
if not is_new_state:
return
else:
is_new_state = False
# TODO: Implement something in federation that allows us to
# respond to PDU.
yield self.on_receive(event, is_new_state, backfilled)
except AuthError:
# TODO: Implement something in federation that allows us to
# respond to PDU.
raise
return
@defer.inlineCallbacks
def _on_new_state(self, pdu, new_state_event):
# TODO: Do any store stuff here. Notifiy C2S about this new
# state.
yield self.store.update_current_state(
pdu_id=pdu.pdu_id,
origin=pdu.origin,
context=pdu.context,
pdu_type=pdu.pdu_type,
state_key=pdu.state_key
)
yield self.on_receive(new_state_event)
@defer.inlineCallbacks
def fill_out_prev_events(self, event, snapshot):
if hasattr(event, "prev_events"):
return
results = snapshot.prev_pdus
es = [
"%s@%s" % (p_id, origin) for p_id, origin, _ in results
]
event.prev_events = [e for e in es if e != event.event_id]
if results:
event.depth = max([int(v) for _, _, v in results]) + 1
else:
event.depth = 0
@log_function
@defer.inlineCallbacks
def on_receive(self, event, is_new_state, backfilled):
if hasattr(event, "state_key") and not is_new_state:
logger.debug("Ignoring old state.")
return