[Orca-users] Re: writing data to my input file to orca if no new data is found

[Jeff Lucas]

From: "Jeff Lucas" <lucasjh at tfn.com>

WOW! I had no idea there were soooo many manual pages on PERL!

Hmmm... object oriented PERL? That's why I was so confused.

Thanks. I've already begun reading. I will try your suggestion wrt
RRDFile.pm after more reading. Thank you.

Regards,
Jeff

--- In orca-users at onelist.com, Blair Zajac <blair at a...> wrote:
> Jeff,
> 
> I see what you want.  Probably the way to do this is to edit the
> flush_data subroutine in lib/Orca/RRDFile.pm.  It should look
> at the previous printed data point and compare it to the
> one to add if its more than the interval of time away, generate
> a new data point of 0.  This will do what you want.
> 
> Orca uses object oriented Perl, so each class has its own new
> subroutine.  I would pick up a newer version of "Learning Perl"
> that described Perl 5 or read the perlobj, perlreftut and other
> manual pages that describe object oriented Perl.
> 
> Blair
> 
> Jeff Lucas wrote:
> > 
> > From: "Jeff Lucas" <lucasjh at tfn.com>
> > 
> > Blair -
> > 
> > Thanks so much for your quick response.
> > 
> > I'm definately noticing the blank area(s) in the graphs when
there is
> > no data, however, the "percentages" stay at 100% as the
calculation
> > seems to only use data that is collected. I want orca to write a
line
> > to the data input file (if it finds that no new data arrived) so
that
> > it will use the zeroes in calculating a more accurate percentage
of
> > uptime.
> > 
> > i.e. it seems like there is logic in orca to check if the data has
> > been updated since the loop, before it attempts to generate graphs
> > again. If it determines there was no new data, it skips creating
the
> > graphs, correct? Couldn't I just tell it to append a dummy line
to my
> > data input file at that point?
> > 
> > Here's a sample of my data input file...
> > # tail -5 tabloid.uptime
> > 954183802 100 100
> > 954183922 100 100
> > 954184043 100 100
> > 954184163 100 100
> > 954184283 100 100
> > 
> > As I'm new to programming, I'm having trouble following the logic
of
> > orca program. i.e. I noticed there are multiple subroutines called
> > "new." How can there be multiple subroutines with the same name?
> > Wouldn't this confuse perl? Is there a perl book you can recommend
> > that would help me to better understand?
> > 
> > I apologize for all of the questions but my "Learing Perl" book is
> > not much help.
> > 
> > Thanks again.
> > 
> > Regards,
> > Jeff
> > 
> > --- In orca-users at onelist.com, Blair Zajac <blair at a...> wrote:
> > > I don't think this will be too easy.  When Orca doesn't find
> > > any data, it won't plot any data, so maybe you could always
> > > plot 1 when the system is up.  Will this work?
> > >
> > > For example, look at the image at
> > >
> > > http://www.gps.caltech.edu/~blair/
> > >
> > > It clearly shows when no data was being collected.
> > >
> > > Blair
> > >
> > > Jeff Lucas wrote:
> > > >
> > > > From: "Jeff Lucas" <lucasjh at tfn.com>
> > > >
> > > > I am currently using orca to graph "uptime" data collected
from
> > > > multiple systems. The data files consist of three columns...
> > > > epoch sys_uptime_value app_uptime_value
> > > >
> > > > epoch - number of seconds since ???? 1971
> > > > sys_uptime - 0 or 1 (system either up or down)
> > > > app_uptime - 0 or 1 (app either up or down)
> > > >
> > > > Each system has its own data file. I've attempted reading and
> > > > modifying orca so that when it does NOT find the input data
file
> > > > updated (it assumes the sys and app are down), it updates it
by
> > > > appending a line to the corresponding input data file
> > containing...
> > > >
> > > > epoch 0 0
> > > >
> > > > Unfortunately, I've been unsuccessful.
> > > >
> > > > Can someone tell me if this can be done within the config
file or
> > if
> > > > it needs to be done in the orca program, and if so, where/how.
> > > >
> > > > Much thanks in advance!
> > > >
> > > > -Jeff
> > > >
> > > > ----------------------------------------------
> > --------------------------
> > > > Good friends, school spirit, hair-dos you'd like to forget.
> > > > Classmates.com has them all. And with 4.4 million alumni
already
> > > > registered, there's a good chance you'll find your friends
here:
> > > > http://click.egroups.com/1/2622/7/_/_/_/954178062/
> > > > ----------------------------------------------
> > --------------------------
> > 
> > ----------------------------------------------
--------------------------
> > @Backup- Protect and Access your data any time, any where on the
net.
> > Try @Backup FREE and recieve 300 points from mypoints.com Install
now:
> > http://click.egroups.com/1/2345/7/_/_/_/954184751/
> > ----------------------------------------------
--------------------------


------------------------------------------------------------------------
You have a voice mail message waiting for you at iHello.com:
http://click.egroups.com/1/2377/7/_/_/_/954186902/
------------------------------------------------------------------------