Limit how often we ask for keys from dead servers

This commit is contained in:
Mark Haines 2016-09-13 11:53:50 +01:00
parent 0c057736ac
commit ad816b0add

View File

@ -22,6 +22,7 @@ from twisted.internet import defer
from synapse.api.errors import SynapseError, CodeMessageException
from synapse.types import get_domain_from_id
from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
from synapse.util.retryutils import get_retry_limiter, NotRetryingDestination
logger = logging.getLogger(__name__)
@ -88,18 +89,28 @@ class E2eKeysHandler(object):
def do_remote_query(destination):
destination_query = remote_queries[destination]
try:
limiter = yield get_retry_limiter(
destination, self.clock, self.store
)
with limiter:
remote_result = yield self.federation.query_client_keys(
destination,
{"device_keys": destination_query},
timeout=timeout
)
for user_id, keys in remote_result["device_keys"].items():
if user_id in destination_query:
results[user_id] = keys
except CodeMessageException as e:
failures[destination] = {
"status": e.code, "message": e.message
}
except NotRetryingDestination as e:
failures[destination] = {
"status": 503, "message": "Not ready for retry",
}
yield preserve_context_over_deferred(defer.gatherResults([
preserve_fn(do_remote_query)(destination)
@ -191,6 +202,10 @@ class E2eKeysHandler(object):
def claim_client_keys(destination):
device_keys = remote_queries[destination]
try:
limiter = yield get_retry_limiter(
destination, self.clock, self.store
)
with limiter:
remote_result = yield self.federation.claim_client_keys(
destination,
{"one_time_keys": device_keys},
@ -203,6 +218,10 @@ class E2eKeysHandler(object):
failures[destination] = {
"status": e.code, "message": e.message
}
except NotRetryingDestination as e:
failures[destination] = {
"status": 503, "message": "Not ready for retry",
}
yield preserve_context_over_deferred(defer.gatherResults([
preserve_fn(claim_client_keys)(destination)