#! /opt/bin/dash # # os/cgi/scheduler - generate scheduler.py problem based on userid export PATH="/opt/bin:/bin:/usr/bin" q="4"; j="5"; m="15"; s="916444529" h="SJF"; REMOTE_USER="guest" # public version case "$h" in RR) p="RR";; SJF) p="SJF";; *) p="FIFO";; esac # optional user-defined seed and ans arguments useed=$(echo "$2" | tr -dc '[:digit:]') ans="$3" echo "Content-type: text/html\n\nscheduler
" user=$(echo "${REMOTE_USER}" | tr -dc '[:alnum:]' | tr '[:upper:]' '[:lower:]') if [ -z "$user" ]; then echo "Bad user: ${REMOTE_USER} -> $user"; exit 1; fi if [ -n "$HTTP_HOST" ]; then cd /os/prog/scheduler || exit 1; fi if [ -n "$useed" ]; then echo "" seed="$useed" msg="- seed = $seed" else x=$(perl -e "print unpack(\"C*\",$user);"); seed="${s}${x}" #echo "
s = $s, x = $x, seed = $seed
" msg="" fi echo "$user - scheduler $msg

" RR=""; if [ "$p" = "RR" ]; then RR="\nLength of time slice for RR policy = $q\n"; fi echo "Policy $p

"
python3 ./scheduler.py -s "$seed" -q "$q" -j "$j" -m "$m" -p "$p" |
 sed -e '/^$/d' -e '/^ARG/d' -e '/^Compute/,$d'
echo "${RR}\nShow the $p scheduling execution trace:
" # optionally display answers if useed and "ans" arguments are present if [ -n "$useed" -a -n "$ans" ]; then echo "
"
  python3 ./scheduler.py -s "$seed" -q "$q" -j "$j" -m "$m" -p "$p" -c | grep '^  \[ time'
  echo "
" fi n=$(python3 ./scheduler.py -s "$seed" -q "$q" -j "$j" -m "$m" -p "$p" -c | grep '^ \[ time' | wc -l) #echo "n = $n" awk -v p="$p" -v n="$n" 'END { style="style=\"font-family: inherit; font-size: inherit;\""; print "\ "; for( i=1; i<=n; ++i) { print "\ \ "; } print "
TimeJob #Run Time
"; }' < /dev/null echo "

"