#!/bin/sh
#
# $Id: sensorstats,v 1.1.1.1 2003/10/04 16:01:42 karsten Exp $
#
#########################################################################
# Sensorstats
#
#    Get some stats from the i2c-bus, put them in a simple table and
#    draw some pics with gnuplot and imagemagick.
#
#    Hacked by Karsten Kruse, tecneeq@gmx.net http://www.tecneeq.de/
#
#########################################################################
# Crontabexample
#    # fetch statistics
#    * * * * * sensorstats --get
#    # make pics
#    01 * * * * sensorstats --output
#########################################################################
# Some Settings

path_output="/home/karsten/webs/tecneeq/pics/sensorstats_workstation"
path_database="/home/karsten/bin/sensorstats1/database"
your_sensors="/proc/sys/dev/sensors/via686a-isa-6000"

test_enviroment()
{
if [ ! -d $path_output ] ; then
    echo "ERROR: Directory $path_output not found."
    echo "Where should i put my Stats?"
    exit 1
fi
if [ ! -d $path_database ] ; then
    echo "ERROR: Directory $path_database does not exist."
    echo "Where should i put my Databases?"
    exit 1
fi
if [ ! -d $your_sensors ] ; then
    echo "ERROR: $your_sensors does not exist."
    echo "Where should i fetch my Numbers from?"
    echo "I will continue, but you should setup I2C and sensors!"
fi
}

fetchstats()
{
# Fetch the raw numbers and put them into the tables
cat $your_sensors/in0     | cut -d " " -f 3 >> $path_database/in0_core.db
cat $your_sensors/in2     | cut -d " " -f 3 >> $path_database/in2_io.db
cat $your_sensors/in3     | cut -d " " -f 3 >> $path_database/in3_5v.db
cat $your_sensors/in4     | cut -d " " -f 3 >> $path_database/in4_12v.db
cat $your_sensors/temp1   | cut -d " " -f 3 >> $path_database/temp1_cpu.db
cat $your_sensors/temp2   | cut -d " " -f 3 >> $path_database/temp2_sys.db
cat /proc/loadavg         | cut -d " " -f 1 >> $path_database/load1.db
cat /proc/loadavg         | cut -d " " -f 2 >> $path_database/load2.db
cat /proc/loadavg         | cut -d " " -f 3 >> $path_database/load3.db

#cat fan1_cpu.db | sed -n '$p'

# Trim files to 24 hour window
for i in `ls *.db` ; do
    if [ `wc -l < $i` -gt 1440 ] ; then
	tail $i -n1440 > ${i}.tmp
	mv ${i}.tmp $i
    fi
done
}

makepics()
{
# Convert the tables into pics. This is gnuplot-syntax until EOF appears!
gnuplot <<EOF
set term png color
set size 1.1,0.5
set data style lines
set key box
#
set output "$path_output/volt.png"
plot [ ] [ ] "$path_database/in0_core.db" title "CPU Core","$path_database/in2_io.db" title "IO","$path_database/in3_5v.db" title "+5","$path_database/in4_12v.db" title "+12"
#                         "
set output "$path_output/temp.png"
plot [ ] [ ] "$path_database/temp1_cpu.db" title "CPU Temp","$path_database/temp2_sys.db" title "SYS Temp"
#
set output "$path_output/load.png"
plot [ ] [ ] "$path_database/load1.db" title "Load 1 Min","$path_database/load2.db" title "Load 5 Min","$path_database/load3.db" title "Load 15 Min"
#
exit
EOF
}

usage()
{
echo " Sensorstats by Karsten Kruse tecneeq@tecneeq.de www.tecneeq.de (C)2002"
echo "   sensorstats --get    ==> put stats to database"
echo "   sensorstats --output ==> convert database to pics"
echo "   sensorstats --help   ==> this helptext"
echo " Needs: gnuplot with png-support and lmsensors"
}

test_enviroment
cd $path_database

case $1 in
	--get|-g)     fetchstats ; exit ;;
	--output|-o)  makepics   ; exit ;;
	--help|-h)    usage      ; exit ;;
	*)            usage      ; exit 1 ;;
esac