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fix ClientProtocol. _handle_response_error

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Jack Robison 2017-09-15 13:50:38 -04:00
parent adf89a9d1a
commit 19ff0941f5
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GPG key ID: 284699E7404E3CFF
1 changed files with 17 additions and 21 deletions
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38
lbrynet/core/client/ClientProtocol.py
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@ -100,9 +100,7 @@ class ClientProtocol(Protocol, TimeoutMixin):
if self._blob_download_request is None:
d = self.add_request(blob_request)
self._blob_download_request = blob_request
blob_request.finished_deferred.addCallbacks(self._downloading_finished,
self._downloading_failed)
blob_request.finished_deferred.addErrback(self._handle_response_error)
blob_request.finished_deferred.addCallbacks(self._downloading_finished, self._handle_response_error)
return d
else:
raise ValueError("There is already a blob download request active")
@ -110,12 +108,14 @@ class ClientProtocol(Protocol, TimeoutMixin):
def cancel_requests(self):
self.connection_closing = True
ds = []
err = failure.Failure(RequestCanceledError())
err = RequestCanceledError()
for key, d in self._response_deferreds.items():
del self._response_deferreds[key]
log.info("cancel download response")
d.errback(err)
ds.append(d)
if self._blob_download_request is not None:
log.info("cancel download request")
self._blob_download_request.cancel(err)
ds.append(self._blob_download_request.finished_deferred)
self._blob_download_request = None
@ -176,14 +176,20 @@ class ClientProtocol(Protocol, TimeoutMixin):
def _handle_response_error(self, err):
# If an error gets to this point, log it and kill the connection.
expected_errors = (MisbehavingPeerError, ConnectionClosedBeforeResponseError,
DownloadCanceledError, RequestCanceledError)
if not err.check(expected_errors):
if err.check(DownloadCanceledError, RequestCanceledError):
# TODO: (wish-list) it seems silly to close the connection over this, and it shouldn't
# TODO: always be this way. it's done this way now because the client has no other way
# TODO: of telling the server it wants the download to stop. It would be great if the
# TODO: protocol had such a mechanism.
log.info("Closing the connection to %s because the download of blob %s was canceled",
self.peer, self._blob_download_request.blob)
return
elif not err.check(MisbehavingPeerError, ConnectionClosedBeforeResponseError):
log.warning("The connection to %s is closing due to: %s", err)
return err
else:
log.error("The connection to %s is closing due to an unexpected error: %s",
self.peer, err.getErrorMessage())
if not err.check(RequestCanceledError):
# The connection manager is closing the connection, so
# there's no need to do it here.
self.peer, err)
return err
def _handle_response(self, response):
@ -236,16 +242,6 @@ class ClientProtocol(Protocol, TimeoutMixin):
self._downloading_blob = False
return arg
def _downloading_failed(self, err):
if err.check(DownloadCanceledError):
# TODO: (wish-list) it seems silly to close the connection over this, and it shouldn't
# TODO: always be this way. it's done this way now because the client has no other way
# TODO: of telling the server it wants the download to stop. It would be great if the
# TODO: protocol had such a mechanism.
log.debug("Closing the connection to %s because the download of blob %s was canceled",
self.peer, self._blob_download_request.blob)
return err
######### IRateLimited #########
def throttle_upload(self):