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Async!

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This commit is contained in:
Itamar Turner-Trauring 2023-03-21 11:26:40 -04:00
parent b65bc9dca7
commit 7ae8b50d14
1 changed files with 8 additions and 10 deletions
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18
src/allmydata/storage_client.py
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@ -1019,11 +1019,12 @@ class NativeStorageServer(service.MultiService):
self._reconnector.reset() self._reconnector.reset()
def _pick_a_http_server( @async_to_deferred
async def _pick_a_http_server(
reactor, reactor,
nurls: list[DecodedURL], nurls: list[DecodedURL],
request: Callable[[Any, DecodedURL], defer.Deferred[Any]] request: Callable[[Any, DecodedURL], defer.Deferred[Any]]
) -> defer.Deferred[Optional[DecodedURL]]: ) -> Optional[DecodedURL]:
"""Pick the first server we successfully send a request to. """Pick the first server we successfully send a request to.
Fires with ``None`` if no server was found, or with the ``DecodedURL`` of Fires with ``None`` if no server was found, or with the ``DecodedURL`` of
@ -1034,22 +1035,19 @@ def _pick_a_http_server(
for nurl in nurls for nurl in nurls
]) ])
def failed(failure: Failure): try:
_, nurl = await queries
return nurl
except Exception as e:
# Logging errors breaks a bunch of tests, and it's not a _bug_ to # Logging errors breaks a bunch of tests, and it's not a _bug_ to
# have a failed connection, it's often expected and transient. More # have a failed connection, it's often expected and transient. More
# of a warning, really? # of a warning, really?
log.msg( log.msg(
"Failed to connect to a storage server advertised by NURL: {}".format( "Failed to connect to a storage server advertised by NURL: {}".format(
failure) e)
) )
return None return None
def succeeded(result: tuple[int, DecodedURL]):
_, nurl = result
return nurl
return queries.addCallbacks(succeeded, failed)
@implementer(IServer) @implementer(IServer)
class HTTPNativeStorageServer(service.MultiService): class HTTPNativeStorageServer(service.MultiService):