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fix problems with DownloadManager startup and stop

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This commit is contained in:
Kay Kurokawa 2017-06-21 17:22:23 -04:00
parent 36dea2afbf
commit 4019f2a2e1
1 changed files with 8 additions and 29 deletions
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37
lbrynet/core/client/DownloadManager.py
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@ -1,6 +1,5 @@
import logging
from twisted.internet import defer
from twisted.python import failure
from zope.interface import implements
from lbrynet import interfaces
@ -29,37 +28,17 @@ class DownloadManager(object):
d.addCallback(lambda _: self.resume_downloading())
return d
@defer.inlineCallbacks
def resume_downloading(self):
yield self.connection_manager.start()
yield self.progress_manager.start()
defer.returnValue(True)
def check_start(result, manager):
if isinstance(result, failure.Failure):
log.error("Failed to start the %s: %s", manager, result.getErrorMessage())
return False
return True
d1 = self.progress_manager.start()
d1.addBoth(check_start, "progress manager")
d2 = self.connection_manager.start()
d2.addBoth(check_start, "connection manager")
dl = defer.DeferredList([d1, d2])
dl.addCallback(lambda xs: False not in xs)
return dl
@defer.inlineCallbacks
def stop_downloading(self):
def check_stop(result, manager):
if isinstance(result, failure.Failure):
log.error("Failed to stop the %s: %s", manager, result.getErrorMessage())
return False
return True
d1 = self.progress_manager.stop()
d1.addBoth(check_stop, "progress manager")
d2 = self.connection_manager.stop()
d2.addBoth(check_stop, "connection manager")
dl = defer.DeferredList([d1, d2], consumeErrors=True)
dl.addCallback(lambda results: all([success for success, val in results]))
return dl
yield self.progress_manager.stop()
yield self.connection_manager.stop()
defer.returnValue(True)
def add_blobs_to_download(self, blob_infos):