What's side channel

Michael Sweet mike at easysw.com
Mon Aug 25 07:42:41 PDT 2008


keens312 wrote:
> Hi Michael,
> 
> By reading CUPS source code, I found some functions like cupsReadSideChannel ...
> 
> What's the side channel for? I think backchannel is enough for printer to use.

The side channel is for communicating with the backend - basically it
allows you to query current parameters and capabilities.

-- 
______________________________________________________________________
Michael Sweet, Easy Software Products           mike at easysw dot com




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