#!/bin/bash

#usage: ./plotswiftlogs.ketan <swift-logfile.log>

SWIFTLOGFILE=$1

#TMPDIR=`mktemp -d plotlog.XXX`

grep -i ProgressTicker $SWIFTLOGFILE > swiftoutfile.out

SWIFTOUTFILE=swiftoutfile.out

#extract start time
TMPDATE=`grep -i progress $SWIFTOUTFILE 2>/dev/null | head -n 1 | cut -f1-2 -d ' '`
START_TIME=`date +%s -d "$TMPDATE"`

#extract end time
TMPDATE=`grep -i progress $SWIFTOUTFILE 2>/dev/null | tail -n 1 | cut -f1-2 -d ' '`
END_TIME=`date +%s -d "$TMPDATE"`

#duration
DIFFTIME=$((END_TIME - START_TIME))

#extract active runs in a file
(grep -o -i "Active:[0-9]*" $SWIFTOUTFILE 2>/dev/null | awk -F: '{print $2}' >active.txt)

#extract successful completions in a file
(grep -o -i "Successfully:[0-9]*" $SWIFTOUTFILE 2>/dev/null | awk -F: '{print $2}' > cumulative.txt)

#prepare tics
activelines=`wc -l active.txt | awk '{print $1}'`
cumulines=`wc -l cumulative.txt | awk '{print $1}'`

if [ $activelines -ne 0 ]
then
  activelinespertic=`echo "scale=5 ; $DIFFTIME / $activelines" | bc`
fi

seq 0 $activelinespertic $DIFFTIME > activetics.txt

if [ $cumulines -ne 0 ]
then
    cumulinespertic=`echo "scale=5 ; $DIFFTIME / $cumulines" | bc`
fi

seq 0 $cumulinespertic $DIFFTIME > cumultics.txt

#final plot data
paste activetics.txt active.txt > plot_active.txt
paste cumultics.txt cumulative.txt > plot_cumulative.txt

cat << EOF1 > plotit.gp
set terminal png enhanced
set nokey
set output "cumulativeplot.png"
set ylabel "number of completed jobs"
set xlabel "Time in sec"
#set title "Cumulative jobs"
plot "plot_cumulative.txt" using 1:2 with lines
set output "activeplot.png"
set ylabel "number of active jobs"
set title "Active jobs"
plot "plot_active.txt" using 1:2 with line
EOF1

gnuplot plotit.gp 2>/dev/null

rm -f activetics.txt active.txt plot_active.txt cumultics.txt cumulative.txt plot_cumulative.txt