Re: Wireshark col_append_sep_str function

[Graham Bloice <graham.bloice () trihedral com>]

On Fri, 3 Apr 2020 at 10:22, Peimann, Jannis <
jannis.peimann () continental-corporation com> wrote:

> Hi together,
>
>
>
> I want to add information to the Info column for every frame in Wireshark.
>
> This is working fine as long as I only have one PDU in my UDP package.
>
> If I  have more than one PDU, then it overwrites the old Info column
> string. It is not appending.
>
>
>
> *This is my function:*
>
> if (pdu_description != NULL)
>
> {
>
> col_append_sep_str(pinfo->cinfo, COL_INFO, ",",
> pdu_description);
>
> g_print("Debug Message: frame number [%d] [%s]\n", pinfo->fd->num,
> pdu_description);/*Debug Console Message */
>
> }
>
>
>
> This col_append_sep_str function is from column-utils.c
>
> For example the DEBUG Message is called twice, if I have two PDUs. This is
> working.
>
>
>
>
>
> *Right now I only have this:*
>
> PDU Protocol, Name2
>
> But it should be:
>
> PDU Protocol, Name1, Name2…
>
>
>
> I think there is a problem with losing the old frame information, because
> it is writing again PDU Protocol.
>
> Do you guys know what I’m missing?
>
>
>
> Thanks for your help.
>
>
>
>
>
> Mit freundlichen Grüßen/Best regards,
>
>
>
> *Jannis Peimann*
Look for col_set_fence in README.dissector

-- 
Graham Bloice

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