Hi!
We have some long running scripts, e.g. shrinking of large PDF files,
and want to prevent reverse proxy and browser timeouts.
To achieve this, we are trying to periodically send small packages from
the server to the browser while these scripts are running.
First we tried with ns_conn and ns_sockcallback
set mychan [ns_conn channel]
ns_sockcallback $mychan noop t 1
proc noop {handle when} {
# do something
}
ns_chan close $mychan
When we call this, we get the following error:
error invalid when specification "t": should be one/more of r, w, e,
or x
which contradicts the documentation of the command here:
https://naviserver.sourceforge.io/n/naviserver/files/ns_sockcallback.html
Then we tried something similiar with ns_connchan
set mychan [ns_connchan detach]
ns_connchan callback -timeout 1 $mychan noop "r"
but a ns_connchan write $mychan throws the following error:
ns_connchan: only binary channels are currently supported. Channel
conn0 is not binary
Is there a solution to this problem?
regards,
Wolfgang
--
*Wolfgang Winkler*
Geschäftsführung
wolfgang.wink...@digital-concepts.com
mobil +43.699.19971172
dc:*büro*
digital concepts Novak Winkler OG
Software & Design
Landstraße 68, 5. Stock, 4020 Linz
www.digital-concepts.com <http://www.digital-concepts.com>
tel +43.732.997117.72
tel +43.699.1997117.2
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Firmenbuchgericht: Landesgericht Linz
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