Re: How to generate epan/dissectors/packet-skinny.c?

[Alexis La Goutte <alexis.lagoutte () gmail com>]

Hi Jirka,

from packet-skinny.c.in
# Dependencies:
# - python2.x
# - cog.py: (pip install cogapp / http://nedbatchelder.com/code/cog/)
# - python.xml
# - python.xml.sax
#

Tested on Ubuntu 18.04 (TLS) (with python2) and work for me..



On Sat, Oct 30, 2021 at 4:39 PM Jirka Novak <j.novak () netsystem cz> wrote:

> Hi,
>
>   based on notice of Jörg Mayer (thank you), I tried to generate
> epan/dissectors/packet-skinny.c from epan/dissectors/packet-skinny.c.in.
>   The command line should be:
>
> cog.py -D xmlfile=tools/SkinnyProtocolOptimized.xml -d -c -o
> epan/dissectors/packet-skinny.c epan/dissectors/packet-skinny.c.in
>
>   but it fails with error:
>
> Traceback (most recent call last):
>   File "epan/dissectors/packet-skinny.c.in", line 109, in <module>
>     skinny = xml2skinny.xml2obj(xmlfile)
>   File
> "/home/novakji/vyvoj/
> netsystem.cz/wireshark/wireshark-repo/tools/parse_xml2skinny_dissector.py
> ",
> line 974, in xml2obj
>     return builder.root._attrs.values()[0]
> TypeError: 'dict_values' object is not subscriptable
>
>   It calls tools/parse_xml2skinny_dissector.py internally. My first
> worry was that this python script is not designated for python3, but it
> is probably not the case.
>   I briefly reviewed parse_xml2skinny_dissector.py and I found no error
> except it reads tools/SkinnyProtocolOptimized.xml with no syntax error,
> but output is empty so line
>
>     return builder.root._attrs.values()[0]
>
>   fails because there is no index 0.
>
>   I'm using Linux/Fedora. Can someone check whether the script works on
> different environment?
>
>   BTW it looks that packet-skinny.c was not made from packet-skinny.c.in
> for long time as they e.g. use different methods for memory allocation
> (pinfo->pool vs. wmem_packet_scope()).
>
>                                         Best regards,
>
>                                                 Jirka
>
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