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Move the impl of backfill to use events.

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This commit is contained in:
Erik Johnston 2014-10-31 09:59:02 +00:00
parent d9a9e9eb30
commit f2de2d644a
3 changed files with 114 additions and 5 deletions
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6
synapse/federation/replication.py
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@ -181,7 +181,7 @@ class ReplicationLayer(object):
@defer.inlineCallbacks
@log_function
def backfill(self, dest, context, limit):
def backfill(self, dest, context, limit, extremities):
"""Requests some more historic PDUs for the given context from the
given destination server.
@ -189,12 +189,12 @@ class ReplicationLayer(object):
dest (str): The remote home server to ask.
context (str): The context to backfill.
limit (int): The maximum number of PDUs to return.
extremities (list): List of PDU id and origins of the first pdus
we have seen from the context
Returns:
Deferred: Results in the received PDUs.
"""
extremities = yield self.store.get_oldest_pdus_in_context(context)
logger.debug("backfill extrem=%s", extremities)
# If there are no extremeties then we've (probably) reached the start.