[Ethereal-dev] Re: About Dissector added with a "plugin" !

["ronnie sahlberg" <ronniesahlberg@xxxxxxxxx>]

try with
FT_UINT32 and BASE_HEX
instead of
FT_UINT8 and BASE_DEC



On 6/8/06, kyan-ki kyan-ki <kyan-ki@xxxxxxxxxx> wrote:
> I've already tried this solution previously but it was not right.
> My Mask is coded with 3 bytes (24 bits).
>
> So, I would like to have a display e.g. : 1010 1101 1111 1000 1011 1110 =
> Mask : .....
> I tried to mask with { "FOO PDU Type","foo.type",FT_UINT8, BASE_DEC, NULL,
> 0xFFFFFF,"", HFILL } but only the first 8 bits are displayed : 1010 1101.
>
> thanks for your support
>
>
> >From: "ronnie sahlberg" <ronniesahlberg@xxxxxxxxx>
> >To: "Ethereal development" <ethereal-dev@xxxxxxxxxxxx>
> >CC: kyan-ki@xxxxxxxxxx
> >Subject: Re: About Dissector added with a "plugin" !
> >Date: Thu, 8 Jun 2006 08:56:17 +0000
> >
> >Not exactly what you are asking for    but you could try this:
> >
> >(dissecting and displaying the top 12 bits of a 16 bit integer in a
> >somewhat binary representation)
> >
> >{ &hf_foo,
> >{"Foo", "foo.foo", FT_UINT16, BASE_HEX, NULL, 0xfff0, "something", HFILL
> >}},
> >
> >
> >I.e   specifying a bitmask which will make ethereal decode it and display
> >it as
> >XXXX XXXX XXXX ....
> >
> >
> >Probably not exactly what you want but maybe close enough?
> >
> >
> >
> >
> >On 6/8/06, kyan-ki kyan-ki <kyan-ki@xxxxxxxxxx> wrote:
> >>Hi,
> >>
> >>I'm developping an Ethereal plugin to add a dissector for a protocol.
> >>This protocol has a field Mask that I would like to display in binary e.g.
> >>Mask : 1100 1011 1010
> >>But I can't find the solution that allows such a thing :
> >>
> >>In proto.c, one have :
> >>
> >>/** radix for decimal values, used in header_field_info.display */
> >>typedef enum {
> >>       BASE_NONE,  /**< none */
> >>       BASE_DEC,   /**< decimal */
> >>       BASE_HEX,   /**< hexadecimal */
> >>       BASE_OCT,   /**< octal */
> >>       BASE_DEC_HEX,     /**< decimal (hexadecimal) */
> >>       BASE_HEX_DEC      /**< hexadecimal (decimal) */
> >>} base_display_e;
> >>
> >>But there is no BASE_BIN for example, in order to insert into (e.g.):
> >>static hf_register_info hf[] = {
> >>  { &hf_foo_pdu_type,
> >>  { "FOO PDU Type","foo.type",
> >>  FT_UINT8, BASE_DEC, NULL, 0x0,
> >>  "", HFILL }
> >>  },
> >>};
> >>
> >>Has someone a solution for this problem without I have to modify ethereal
> >>source code and rebuild it ?
> >>
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