[sane-devel] Cascading saned servers

[m. allan noah]

We would accept such a patch. I wonder if a command line option or a
config file option would be best?

allan

On Wed, Jul 16, 2014 at 5:02 AM, Jens-U. Mozdzen <jmozdzen at nde.ag> wrote:
> Hi *, just a minor follow-up:
>
> Zitat von "Jens-U. Mozdzen" <jmozdzen at nde.ag>:
>>
>> Hi *,
>>
>> I'm attempting to use cascading saned servers, in other words: I'm trying
>> to share a scanner that is reachable from the "saned" system via its network
>> back-end.
>>
>> Technically, this works. Unfortunately, either saned or the clients are
>> not prepared for this, as the network scanners are not not listed via
>> "xsane" nor "scanimage -L".
>> [...]
>
>
> saned's source code reveals that it is intended behaviour on saned's side:
>
> --- cut here ---
>   switch (current_request)
>     {
>     case SANE_NET_GET_DEVICES:
>       {
>         SANE_Get_Devices_Reply reply;
>
>         reply.status =
>           sane_get_devices ((const SANE_Device ***) &reply.device_list,
>                             SANE_TRUE);
>         sanei_w_reply (w, (WireCodecFunc) sanei_w_get_devices_reply,
> &reply);
>       }
>       break;
> --- cut here ---
>
> the "SANE_TRUE" value for the second parameter of "sane_get_devices()" means
> "return only local devices" and is handed to net.c's implementation, which
> then simply returns an empty list.
>
> Would a patch to make this configurable (via command line option of saned)
> be acceptable? I'd implement a "-r" option, with a semantic of "re-export
> network-accessed scanner devices" and prepare a patch.
>
> Regards,
> Jens
>
>
> --
> sane-devel mailing list: sane-devel at lists.alioth.debian.org
> http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel
> Unsubscribe: Send mail with subject "unsubscribe your_password"
>             to sane-devel-request at lists.alioth.debian.org



-- 
"The truth is an offense, but not a sin"