Wireshark-dev: Re: [Wireshark-dev] tcp graphs vs. sctp graphs

From: Alexander Koeppe <format_c@xxxxxxxxx>
Date: Sun, 18 Nov 2012 19:50:34 +0100
Am 14.11.2012 15:53, schrieb Martin Mathieson:
> 
> 
> On Wed, Nov 14, 2012 at 3:54 AM, Cristian Constantin
> <const.crist@xxxxxxxxxxxxxx
> <mailto:const.crist@xxxxxxxxxxxxxx>> wrote:
> 
>     On Tue, Nov 13, 2012 at 9:15 PM, Alexander Koeppe
>     <format_c@xxxxxxxxx
>     <mailto:format_c@xxxxxxxxx>> wrote:
>     > Am 12.11.2012 11:41, schrieb Cristian Constantin:
>     >> hi!
>     >>
>     >> I am just a bit confused about the way the tcp graphs are
>     presented to
>     >> the user.
>     >> I am using debian/Version 1.6.5
>     >>
>     >> 1. tcp. if one selects (for example):
>     >>
>     >> Statistics/TCP Stream Graph/Window Scaling Graph
>     >>
>     >> from the main menu, one gets the graph from the perspective of the
>     >> endpoint which is
>     >> represented by source ip address, source ip port of the frame
>     containing
>     >> the tcp segment
>     >> selected in the main wireshark window, right?
>     >
>     > Right. As the source can only tell something about the window
>     available
>     > on it's end in the ACK packages, this selection has being used to
>     graph
>     > the values. It's up to the user choosing the right direction as it has
>     > been done with the other graphs (let along the oposite direction
>     of the
>     > values graphed in the other graphs).
> 
>     cristian: yes, but my point was that for sctp this is done in a much
>     more
>     intuitive fashion, which imo is more user friendly.
> 
>     >
>     >> for getting the graph for the other endpoint, I have to close the
>     >> current graph and select a tcp
>     >> segment with the source ip/port of the other endpoint and select
>     again:
>     >>
>     >> Statistics/TCP Stream Graph/Window Scaling Graph
>     >>
>     >> wouldn't have been more intuitive and easier to use (from the user
>     >> perspective) changing the
>     >> graph dynamically when another source endpoint is selected in the
>     main
>     >> window? or to present
>     >> such a choice in the tcp graph windows?
>     >
>     > You mean to add a option to the graph control window, fired up in the
>     > background to toggle between the direction?
>     >
> 
>     crisitian: yes, something like that. from what I understand from
>     martin this should be available in newer versions.
> 
> 
> You don't get to flip the direction inside the graph window, but you can
> now also launch the graph in either direction from the conversation
> table window (see screenshot).  You could find the TCP connection that
> you are interested in, then click both graph buttons to launch both graphs.
> 
> Regards,
> Martin
> 
>  
> 
> 
> 
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Nice,

but when I want to switch between the different graph types, wireshark
crashes with a segfault.

Do you experience the same or is it more related to a local problem on
my side? I just had to replace a faulty harddisk with the OS on it.

Cheers Alex