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catch reflector error if a blob is deleted while it's being sent

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Jack Robison 2020-07-16 12:08:10 -04:00
parent 0c95d96f32
commit 1f82a8b99e
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2 changed files with 28 additions and 0 deletions
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3
lbry/stream/managed_stream.py
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@ -356,6 +356,9 @@ class ManagedStream(ManagedDownloadSource):
return sent
except ConnectionRefusedError:
return sent
except OSError:
# raised if a blob is deleted while it's being sent
return sent
finally:
if protocol.transport:
protocol.transport.close()

25
tests/unit/stream/test_reflector.py
View file

@ -162,3 +162,28 @@ class TestReflector(AsyncioTestCase):
self.server_blob_manager.get_blob(self.stream.descriptor.blobs[0].blob_hash).get_is_verified()
)
self.assertFalse(self.stream.is_fully_reflected)
async def test_delete_file_during_reflector_upload(self):
stop = asyncio.Event()
incoming = asyncio.Event()
not_incoming = asyncio.Event()
reflector = ReflectorServer(
self.server_blob_manager, response_chunk_size=50, stop_event=stop, incoming_event=incoming,
not_incoming_event=not_incoming
)
reflector.start_server(5566, '127.0.0.1')
await reflector.started_listening.wait()
self.addCleanup(reflector.stop_server)
self.assertEqual(0, self.stream.reflector_progress)
reflect_task = asyncio.create_task(self.stream.upload_to_reflector('127.0.0.1', 5566))
await incoming.wait()
await not_incoming.wait()
await incoming.wait()
await self.stream_manager.delete(self.stream, delete_file=True)
# this used to raise OSError when it can't read the deleted blob for the upload
self.assertListEqual(await reflect_task, [self.stream.sd_hash])
self.assertTrue(self.server_blob_manager.get_blob(self.stream.sd_hash).get_is_verified())
self.assertFalse(
self.server_blob_manager.get_blob(self.stream.descriptor.blobs[0].blob_hash).get_is_verified()
)
self.assertFalse(self.stream.is_fully_reflected)