gnuplot_comcast_bandwidth

#!/usr/local/bin/bash

# Tim Osburn
# 190502



if [ "$1" == "new" ]
then
   DATETIME=$(date -u '+%y%m%d-%H%M%S-UTC')
   AUTHLOGGRAPH="comcast_bandwidth_${DATETIME}.png"
else
   DATETIME=$(date -u '+%y%m%d')
   AUTHLOGGRAPH="comcast_bandwidth_${DATETIME}.png"
fi

AUTHSAVEDIR="/home/osburn/speedtest/graphs"

/home/osburn/speedtest/query_for_graph > /var/tmp/bandwidthdata

/usr/local/bin/gnuplot -persist <<-EOFMarker
set title "Comcast GigE service testing using Comcast's speedtest server"
unset multiplot
set xdata time
set yrange [0:1000]
set grid ytics lt 0 lw 1 lc rgb "#bbbbbb"
set grid xtics lt 0 lw 1 lc rgb "#bbbbbb"
set style data lines
set arrow from graph 0,0.93 to graph 1,0.93 nohead ls 3 lw 1 lc rgb "green"
set term png
set timefmt "\"%Y-%m-%d %H:%M\""
set timefmt "%Y-%m-%d %H:%M"
set format x "%m-%d\n%H:%M"
set xlabel "Time PST"
set ylabel "mbps"
set autoscale x
set output "${AUTHSAVEDIR}/${AUTHLOGGRAPH}"
set datafile separator " "
set term png size 1600,600
set encoding iso_8859_1
set key right bottom
plot '/var/tmp/bandwidthdata' using 1:2 t "Speedtest results" with lines lw 1, \
  1/0 t "Expected GigE service speed (avg 930mbps)" lc rgb "green" lw 2
exit
EOFMarker

rm -f /usr/local/www/apache24/data/comcast/comcast_bandwidth.png
ln -s ${AUTHSAVEDIR}/${AUTHLOGGRAPH} /usr/local/www/apache24/data/comcast/comcast_bandwidth.png