forked from LBRYCommunity/lbry-sdk
fix download problem
This commit is contained in:
parent
d86e709b90
commit
5e1fdf66b0
2 changed files with 25 additions and 14 deletions
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@ -11,10 +11,10 @@ MAX_BLOB_INFOS_TO_REQUEST = 20
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BLOBFILES_DIR = ".blobfiles"
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BLOB_SIZE = 2**21
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MIN_BLOB_DATA_PAYMENT_RATE = .0005 # points/megabyte
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MIN_BLOB_INFO_PAYMENT_RATE = .002 # points/1000 infos
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MIN_VALUABLE_BLOB_INFO_PAYMENT_RATE = .005 # points/1000 infos
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MIN_VALUABLE_BLOB_HASH_PAYMENT_RATE = .005 # points/1000 infos
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MIN_BLOB_DATA_PAYMENT_RATE = .005 # points/megabyte
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MIN_BLOB_INFO_PAYMENT_RATE = .02 # points/1000 infos
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MIN_VALUABLE_BLOB_INFO_PAYMENT_RATE = .05 # points/1000 infos
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MIN_VALUABLE_BLOB_HASH_PAYMENT_RATE = .05 # points/1000 infos
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MAX_CONNECTIONS_PER_STREAM = 5
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KNOWN_DHT_NODES = [('104.236.42.182', 4000),
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@ -67,7 +67,7 @@ class GetStream(object):
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self.download_directory = download_directory
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self.download_path = None
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self.downloader = None
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self.finished = defer.Deferred()
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self.finished = defer.Deferred(None)
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self.checker = LoopingCall(self.check_status)
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self.code = STREAM_STAGES[0]
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@ -105,7 +105,9 @@ class GetStream(object):
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return defer.fail(KeyFeeAboveMaxAllowed())
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log.info("Key fee %f below limit of %f, downloading lbry://%s" % (self.fee.to_lbc(), max_key.to_lbc(), self.resolved_name))
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def _cause_timeout():
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def _cause_timeout(err):
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log.error(err)
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log.debug('Forcing a timeout')
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self.timeout_counter = self.timeout * 2
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def _set_status(x, status):
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@ -113,20 +115,29 @@ class GetStream(object):
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self.code = next(s for s in STREAM_STAGES if s[0] == status)
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return x
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def get_downloader_factory(metadata):
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for factory in metadata.factories:
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if isinstance(factory, ManagedLBRYFileDownloaderFactory):
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return factory, metadata
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raise Exception('No suitable factory was found in {}'.format(metadata.factories))
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def make_downloader(args):
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factory, metadata = args
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return factory.make_downloader(metadata,
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[self.data_rate, True],
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self.payment_rate_manager,
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download_directory=self.download_directory,
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file_name=self.file_name)
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self.checker.start(1)
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self.d.addCallback(lambda _: _set_status(None, DOWNLOAD_METADATA_CODE))
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self.d.addCallback(lambda _: download_sd_blob(self.session, self.stream_hash, self.payment_rate_manager))
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self.d.addCallback(self.sd_identifier.get_metadata_for_sd_blob)
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self.d.addCallback(lambda r: _set_status(r, DOWNLOAD_RUNNING_CODE))
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self.d.addCallback(lambda metadata: (next(factory for factory in metadata.factories if isinstance(factory, ManagedLBRYFileDownloaderFactory)),
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metadata))
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self.d.addCallback(lambda (factory, metadata): factory.make_downloader(metadata,
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[self.data_rate, True],
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self.payment_rate_manager,
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download_directory=self.download_directory,
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file_name=self.file_name))
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self.d.addCallbacks(self._start_download, lambda _: _cause_timeout())
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self.d.addCallback(get_downloader_factory)
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self.d.addCallback(make_downloader)
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self.d.addCallbacks(self._start_download, _cause_timeout)
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self.d.callback(None)
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return self.finished
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