Probe

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#!/bin/sh

#$Id$

#This file is part of DeforaOS Network Probe

#This program is free software: you can redistribute it and/or modify

#it under the terms of the GNU General Public License as published by

#the Free Software Foundation, version 3 of the License.

#This program is distributed in the hope that it will be useful,

#but WITHOUT ANY WARRANTY; without even the implied warranty of

#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

#GNU General Public License for more details.

#You should have received a copy of the GNU General Public License

#along with this program. If not, see <http://www.gnu.org/licenses/>.

#variables

NEWPATH="new"

OLDPATH1="old1"

OLDPATH2="old2"

OUTPATH="out"

#executables

CP="cp -f"

GREP="grep"

RRDTOOL="rrdtool"

RRDTOOL_ARGS="--daemon unix:/var/run/rrdcached/rrdcached.sock"

#functions

#backup

backup()

{

$RRDTOOL fetch "$1" AVERAGE -s -604800 $RRDTOOL_ARGS

}

#restore1

restore1()

{

while read timestamp val1 junk; do

$RRDTOOL update "$1" "$timestamp$val1" $RRDTOOL_ARGS

done

}

#restore3

restore3()

{

while read timestamp val1 val2 val3 junk; do

$RRDTOOL update "$1" "$timestamp$val1:$val2:$val3" $RRDTOOL_ARGS

done

}

#main

rrd="load.rrd"

$CP -- "$NEWPATH/$rrd" "$OUTPATH/$rrd" || exit 2

backup "$OLDPATH1/$rrd" | $GREP -v ': nan nan nan$' | restore3 "$OUTPATH/$rrd"

backup "$OLDPATH2/$rrd" | $GREP -v ': nan nan nan$' | restore3 "$OUTPATH/$rrd"

rrd="procs.rrd"

$CP -- "$NEWPATH/$rrd" "$OUTPATH/$rrd" || exit 2

backup "$OLDPATH1/$rrd" | $GREP -v ': nan$' | restore1 "$OUTPATH/$rrd"

backup "$OLDPATH2/$rrd" | $GREP -v ': nan$' | restore1 "$OUTPATH/$rrd"

rrd="users.rrd"

$CP -- "$NEWPATH/$rrd" "$OUTPATH/$rrd" || exit 2

backup "$OLDPATH1/$rrd" | $GREP -v ': nan$' | restore1 "$OUTPATH/$rrd"

backup "$OLDPATH2/$rrd" | $GREP -v ': nan$' | restore1 "$OUTPATH/$rrd"