More refactoring in LBRYStreamProducer
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f245822814
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1 changed files with 10 additions and 8 deletions
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@ -246,9 +246,9 @@ class EncryptedFileStreamer(object):
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# How long to wait between sending blocks (needed because some
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# How long to wait between sending blocks (needed because some
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# video players freeze up if you try to send data too fast)
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# video players freeze up if you try to send data too fast)
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stream_interval = 0.02
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stream_interval = 0.01
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# How long to wait before checking again
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# How long to wait before checking if new data has been appended to the file
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new_data_check_interval = 0.25
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new_data_check_interval = 0.25
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@ -287,13 +287,15 @@ class EncryptedFileStreamer(object):
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if not self._running:
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if not self._running:
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return
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return
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# Clear the file's EOF indicator by seeking to current position
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self._file.seek(self._file.tell())
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data = self._file.read(self.bufferSize)
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data = self._file.read(self.bufferSize)
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if data:
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if data:
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self._request.write(data)
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self._request.write(data)
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self._deferred.addCallback(lambda _: task.deferLater(reactor, self.stream_interval, self._check_for_new_data))
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if self._running: # .write() can trigger a pause
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self._deferred.addCallback(lambda _: task.deferLater(reactor, self.stream_interval, self._check_for_new_data))
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else:
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else:
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# We've written all the bytes currently in the file, but we may
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# still be downloading, so check file status to see if we're done.
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self._deferred.addCallback(lambda _: self._file_manager.get_lbry_file_status(self._stream))
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self._deferred.addCallback(lambda _: self._file_manager.get_lbry_file_status(self._stream))
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self._deferred.addCallback(_recurse_or_stop)
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self._deferred.addCallback(_recurse_or_stop)
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@ -310,8 +312,8 @@ class EncryptedFileStreamer(object):
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self._deferred.addErrback(lambda err: err.trap(defer.CancelledError))
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self._deferred.addErrback(lambda err: err.trap(defer.CancelledError))
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self._deferred.addErrback(lambda err: err.trap(error.ConnectionDone))
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self._deferred.addErrback(lambda err: err.trap(error.ConnectionDone))
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self._deferred.cancel()
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self._deferred.cancel()
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self._request.finish()
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self._request.unregisterProducer()
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self._request.unregisterProducer()
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self._request.finish()
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class HostedEncryptedFile(resource.Resource):
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class HostedEncryptedFile(resource.Resource):
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@ -325,8 +327,8 @@ class HostedEncryptedFile(resource.Resource):
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producer = EncryptedFileStreamer(request, path, stream, self._api.lbry_file_manager)
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producer = EncryptedFileStreamer(request, path, stream, self._api.lbry_file_manager)
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request.registerProducer(producer, streaming=True)
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request.registerProducer(producer, streaming=True)
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request.notifyFinish().addCallback(lambda _: producer.stopProducing())
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d = request.notifyFinish()
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request.notifyFinish().addErrback(self._responseFailed, d)
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d.addErrback(self._responseFailed, d)
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return d
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return d
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def render_GET(self, request):
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def render_GET(self, request):
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