[cups.development] backend back channel response

[Helge Blischke]

Guillaume Giroux wrote:
> 
> Hi,
> 
> I am printing to a ticket printer in raw socket mode and I
> need to read the printer's output after a print job has been
> sent, to be 100% sure that the ticket/label has been printed.
> 
> So, is there an API way to get the back channel data with the
> 'socket' backend? I see in socket.c there is some debugging
> output of the number of bytes read from the printer, but I
> cannot find a way to get this data back to my program which
> launched the print job using cupsPrintFile().
> 
Perhaps you could tweak the hpnpf backend (see the links on the CUPS
home page).

Helge

-- 
H.Blischke at srz-berlin.de
H.Blischke at srz-berlin.com
H.Blischke at acm.org