lbry-sdk/lbrynet/reflector/reupload.py
Jack Robison 777419b4a9 log traceback on failed blob upload
-move status message on connectionDone to client, indicate if blobs
were sent or not (and how many blobs reflector still needs, if any)

-only try uploading failed blob once after first failure, to prevent
indefinite retries
2017-02-08 16:18:34 -05:00

45 lines
1.5 KiB
Python

import logging
from twisted.internet import reactor
from twisted.internet.error import ConnectionLost, ConnectionDone
from lbrynet.reflector import BlobClientFactory, ClientFactory
log = logging.getLogger(__name__)
def _check_if_reflector_has_stream(lbry_file, reflector_server):
reflector_address, reflector_port = reflector_server[0], reflector_server[1]
factory = BlobClientFactory(
lbry_file.blob_manager,
[lbry_file.sd_hash]
)
d = reactor.resolve(reflector_address)
d.addCallback(lambda ip: reactor.connectTCP(ip, reflector_port, factory))
d.addCallback(lambda _: factory.finished_deferred)
d.addCallback(lambda _: not factory.sent_blobs)
return d
def _reflect_stream(lbry_file, reflector_server):
reflector_address, reflector_port = reflector_server[0], reflector_server[1]
factory = ClientFactory(
lbry_file.blob_manager,
lbry_file.stream_info_manager,
lbry_file.stream_hash,
lbry_file.uri
)
d = reactor.resolve(reflector_address)
d.addCallback(lambda ip: reactor.connectTCP(ip, reflector_port, factory))
d.addCallback(lambda _: factory.finished_deferred)
return d
def _catch_error(err, uri):
msg = "An error occurred while checking availability for lbry://%s: %s"
log.error(msg, uri, err.getTraceback())
def check_and_restore_availability(lbry_file, reflector_server):
d = _reflect_stream(lbry_file, reflector_server)
d.addErrback(lambda err: err.trap(ConnectionDone, ConnectionLost))
d.addErrback(_catch_error, lbry_file.uri)
return d