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Try to only back off if we think we failed to connect to the remote

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This commit is contained in:
Erik Johnston 2015-02-17 18:13:34 +00:00
parent c8436b38a0
commit 9371019133
3 changed files with 96 additions and 90 deletions
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10
synapse/util/retryutils.py
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@ -15,6 +15,8 @@
from twisted.internet import defer
from synapse.api.errors import CodeMessageException
import logging
@ -67,7 +69,7 @@ def get_retry_limiter(destination, clock, store, **kwargs):
class RetryDestinationLimiter(object):
def __init__(self, destination, clock, store, retry_interval,
min_retry_interval=20000, max_retry_interval=60 * 60 * 1000,
multiplier_retry_interval=2):
multiplier_retry_interval=2,):
self.clock = clock
self.store = store
self.destination = destination
@ -87,7 +89,11 @@ class RetryDestinationLimiter(object):
failure.value
)
if exc_type is None and exc_val is None and exc_tb is None:
valid_err_code = False
if exc_type is CodeMessageException:
valid_err_code = 0 <= exc_val.code < 500
if exc_type is None or valid_err_code:
# We connected successfully.
if not self.retry_interval:
return