Hi Martin,

Thank you for your detailed answer. It help out.
Natalie.

On Thu, Jan 31, 2013 at 11:58 AM, Martin Mathieson <
[email protected]> wrote:

> I don't know if overriding the time is a good idea - but I'm not sure what
> would go wrong.
>
> You can add any field as a column by right-clicking on the field and
> choosing 'Apply as Column'.  I do this with the log files my company uses -
> we have a timestamp field in our file format that ends up being dissected
> (see hf_catapult_dct2000_timestamp in packet-catapult-dct2000.c).
>
> I find it tedious to try to analyse a file that is not in the correct
> order though, and it can interfere with sequence analysis that dissectors
> can do.  If it is easy to find/parse the timestamp, I would consider
> writing a console wiretap program, based upon reordercap, that would:
> - read the frames in, but overwriting the timestamp with a value derived
> from the timestamp parsed from your frames
> - sort the frames by this timestamp
> - write sorted frames to an output file
>
> Of course, I don't really know what you are doing, and whether seeing the
> original capture time is also useful....
>
> Martin
>
>
> On Thu, Jan 31, 2013 at 5:42 AM, Natalie Shapira <[email protected]> wrote:
>
>>
>> Thanks.
>>
>> Eventually I override
>> pinfo->fd->rel_ts
>> pinfo->fd->del_dis_ts
>>
>> It looks good.
>>
>> If I would have problems again, I will create separate column.
>> BTW, can you think about dissector who did it (adding column)? so I could
>> use it as an example..
>> Natalie.
>>
>>
>> On Wed, Jan 30, 2013 at 2:44 PM, Evan Huus <[email protected]> wrote:
>>
>>> You can add the new timestamp as a regular dissected field. Wireshark
>>> allows you to create columns out of arbitrary fields in dissected
>>> packets.
>>>
>>> Cheers,
>>> Evan
>>>
>>> On Wed, Jan 30, 2013 at 4:51 AM, Natalie Shapira <[email protected]>
>>> wrote:
>>> > Anyway, you gave me other idea. What about making new column of
>>> my_timestamp
>>> > and sort by that column... Do I have the ability to add a new column
>>> from a
>>> > dissector?
>>> >
>>> > On Wed, Jan 30, 2013 at 11:46 AM, Natalie Shapira <[email protected]>
>>> wrote:
>>> >>
>>> >> I have no choice. It's a workaround for a hardware bug.
>>> >>
>>> >> On Wed, Jan 30, 2013 at 11:05 AM, Anders Broman
>>> >> <[email protected]> wrote:
>>> >>>
>>> >>> Hi,
>>> >>> Those are the timestamps of packet arrival there should be no need to
>>> >>> change them from a dissector - sounds like a bad idea to me.
>>> >>> Regards
>>> >>> Anders
>>> >>>
>>> >>> ________________________________
>>> >>> From: [email protected]
>>> >>> [mailto:[email protected]] On Behalf Of Natalie
>>> Shapira
>>> >>> Sent: den 30 januari 2013 09:16
>>> >>> To: [email protected]
>>> >>> Subject: [Wireshark-dev] changing the time
>>> >>>
>>> >>>
>>> >>> Hi everybody,
>>> >>>
>>> >>> It's my first question so, nice to meet you!
>>> >>>
>>> >>> I'm writing new dissector (plugin).
>>> >>> I want to change the time of the packet.
>>> >>> I tried to change pinfo->fd->rel_ts.secs and
>>> pinfo->fd->rel_ts.nsecs. It
>>> >>> looks like I did it BUT, after sorting, not all packets are in the
>>> exact
>>> >>> place.
>>> >>>
>>> >>> Do you have an example, idea or any recommendation?
>>> >>>
>>> >>> Thanks,
>>> >>> Natalie.
>>> >>>
>>> >>>
>>> >>>
>>> ___________________________________________________________________________
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>>> >>
>>> >
>>> >
>>> >
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>>
>>
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