[rtg] Flipping ifOutOctects and ifInOctects

[Brandon Ewing]

On Mon, Dec 17, 2007 at 01:13:32PM -0500, Steve Finkelstein wrote:
>    Hi all,
<snip>
>    I realize that these tables are auto generated from SNMP polling and I'd
>    have to hack MIBs in order to get the results I'm ultimately looking to
>    achieve. I was curious, before going that route, if anyone has modified
>    the source to RTG in order to either:
> 
>    a) completely disregard the data from appearing on rtg images.
>    b) flip the result set.
> 
>    I wouldn't mind recompiling RTG to achieve these results. It obviously is
>    not feasible to do otherwise.

RTG 0.81 allows one to set Line Object labels in the definition.  Via CGI,
the LO syntax is:

LO=[LOINDEX]:[DOINDEX]:[OPTIONS]:[LABEL]

So, a URL to (for example) invert IfIn/IfOut on RID 1, ID 1:

IMG
SRC='/cgi-bin/rtgplot.cgi?PO=Example+Graph:500:150::timestamp:timestamp&DO=1:ifInOctets_1:1&DO=2:ifOutOctets_1:1&LO=1:1:factor=8:IfOutOctets_1&LO=2:2:factor=8IfInOctets_1'

I am sure that you are correct, however, if you are using the 0.74 plotter.
Possible a modification of plot_legend() in rtgplot.c could accomplish what
you want in 0.74. (IE, comment out the call to plot_legend() and recompile
to prevent the legend from being drawn).


-- 
Brandon Ewing                                        (nicotine at warningg.com)
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