Re: [Ethereal-dev] Binary PDUs in TCP: Possible to put each on different summary lin e?

[Matthijs Melchior <mmelchior@xxxxxxxxx>]

Guy Harris wrote:

> On Thu, May 29, 2003 at 01:32:55PM -0600, Bryant Eastham wrote:
>  
>
> > We have a binary protocol over TCP. I have the PDUs being dissecting
> > correctly, but if multiple PDUs are in the same TCP "packet" they all appear
> > together in the tree (each as a tree item). Is it possible to have each PDU
> > appear on its own in the summary?
> >    
>
> If by "the summary" you mean the summary display with columns such as
> the Info column, the answer is "no" - there's a one-to-one
> correspondence between link-layer frames and summary lines.
>  
Well, I have a simmilar environment, a tcp stream that transports asn1
formatted messages. My solution is as follows:

The summary lines mention the first PDU in a packet, followed by [12+1 
msgs],
which is to be interpreted as 12 full PDU's in this packet + 1 
incomplete PDU.
That last one is than the first PDU of the next, desegmented, packet.
And in the packet display each PDU apears at top level. Like this

---------------------------------------------------------------
time source dest ASN1 ASN1: type-A [12+1 msgs]
time source dest ASN1 ASN1: type-C [13+1 msgs]
---------------------------------------------------------------
Frame 1 ....
Etherrnet II, Src: ......
Internet Protocol, Src Addr: .....
Transmission Control Protocol, Src Port: ....
ASN.1: type-A
ASN.1: type-D
.....
ASN.1: type-A
ASN.1: type-B (incomplete)
---------------------------------------------------------------
hex display....
---------------------------------------------------------------


--
Regards,
----------------------------------------------------------------  -o)
Matthijs Melchior                                       Maarssen  /\\
mmelchior@xxxxxxxxx                                  Netherlands _\_v
---------------------------------------------------------------- ----