[cups.general] LPD Protocol Issue

[Michael Sweet]

You never specify the job data file in your control file...

On Mar 16, 2011, at 10:37 AM, Adam Tauno Williams wrote:

> I have to submit a job to a CUPS server from an embedded environment (so
> no subprocess invoking of lpr, etc...).  I've implemented an LPR/LPD
> client years ago in C and am now attempting to do so in Python.  The
> print job appears on the CUPS print server but although the data file
> seems to be sent [the server responds with \000] the job is always
> zero-sized and never prints.  Any tips/pointers would be appreciated.
> 
> No authentication is involved.
> 
> I -
> 1. Connect to the socket
> 2. Send \002cisps\012
> 3. Receive \000
> 4. Send \00243 cfA000linux-yu4c\012
> 5. Receive \000
> 6. Send the control file (which is 43 bytes)
>       Hlinux-yu4c
>       Ntest job
>       Jtest job
>       Padam
> 7. Send \000
> 8. Receive \000
> 9. Send \00310324 df000linux-yu4c\012
> 10. Receive \000
> 11. Send 10,324 bytes of data (the job payload)
> 12. Send \000
> 13. Receive \000
> 
> 
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________________________________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair