[tahoe-lafs-trac-stream] [tahoe-lafs] #951: uploads aren't cancelled by closing the web page

[tahoe-lafs]

#951: uploads aren't cancelled by closing the web page
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     Reporter:  zooko    |      Owner:  zooko
         Type:  defect   |     Status:  assigned
     Priority:  major    |  Milestone:  eventually
    Component:  code-    |    Version:  1.6.0
  frontend-web           |   Keywords:  usability upload large wui ophandle
   Resolution:           |
Launchpad Bug:           |
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Comment (by warner):

 .. and d.cancel() appeared in Twisted-10.1, which just so happens to be
 the version we're already requiring (for FTP async close). So the trick
 will be in adding cancel functionality to the Uploader (probably a flag
 that gets checked after each segment, just like for the downloader), and
 use {{{finish_d = Deferred(cancel=self.setCancelFlag)}}}

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/951#comment:8>
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