[Varnish] #1656: do_stream is backend request specific and not client request specific

[Varnish]

#1656: do_stream is backend request specific and not client request specific
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 Reporter:  imoverclocked  |       Type:  defect
   Status:  new            |   Priority:  normal
Milestone:                 |  Component:  build
  Version:  4.0.0          |   Severity:  major
 Keywords:                 |
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 When varnish gets two overlapping non-cached requests:

   1) Client that handles streaming
   2) Client that does not handle streaming

 then the second client gets a streaming response regardless of
 configuration.

 Inside of vcl_backend_response I have a snippet that sets beresp.do_stream
 depending on the client that is connecting.

 Of course, the other side of the problem is when a non-streaming client
 connects first then the streaming client doesn't get a stream from the
 backend.

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Ticket URL: <https://www.varnish-cache.org/trac/ticket/1656>
Varnish <https://varnish-cache.org/>
The Varnish HTTP Accelerator