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Add per server retry limiting.

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Factor out the pre destination retry logic from TransactionQueue so it
can be reused in both get_pdu and crypto.keyring
This commit is contained in:
Erik Johnston 2015-02-17 17:20:56 +00:00
parent 5025305fb2
commit 2b8f1a956c
4 changed files with 205 additions and 122 deletions
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36
synapse/federation/federation_client.py
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@ -23,6 +23,8 @@ from synapse.api.errors import CodeMessageException
from synapse.util.logutils import log_function
from synapse.events import FrozenEvent
from synapse.util.retryutils import get_retry_limiter, NotRetryingDestination
import logging
@ -163,24 +165,34 @@ class FederationClient(FederationBase):
pdu = None
for destination in destinations:
try:
transaction_data = yield self.transport_layer.get_event(
destination, event_id
limiter = yield get_retry_limiter(
destination,
self._clock,
self.store,
)
logger.debug("transaction_data %r", transaction_data)
with limiter:
transaction_data = yield self.transport_layer.get_event(
destination, event_id
)
pdu_list = [
self.event_from_pdu_json(p, outlier=outlier)
for p in transaction_data["pdus"]
]
logger.debug("transaction_data %r", transaction_data)
if pdu_list:
pdu = pdu_list[0]
pdu_list = [
self.event_from_pdu_json(p, outlier=outlier)
for p in transaction_data["pdus"]
]
# Check signatures are correct.
pdu = yield self._check_sigs_and_hash(pdu)
if pdu_list:
pdu = pdu_list[0]
break
# Check signatures are correct.
pdu = yield self._check_sigs_and_hash(pdu)
break
except NotRetryingDestination as e:
logger.info(e.message)
continue
except CodeMessageException:
raise
except Exception as e: