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|
#!/bin/sh
SNIPE_OUTDIR=${SNIPE_OUTDIR:-$HOME/.snipe}
PROGNAME=`basename $0`
# setup $SNIPE_OUTDIR
if [ ! -d "$SNIPE_OUTDIR" ]; then
mkdir -p "$SNIPE_OUTDIR" || error "Cannot create $SNIPE_OUTDIR. Change value of \$SNIPE_OUTDIR and try again."
fi
[ -r "$SNIPE_OUTDIR" -a -w "$SNIPE_OUTDIR" -a -x "$SNIPE_OUTDIR" ] || warn "Permissions problem with $SNIPE_OUTDIR, should be rwx."
# avoid using Sun's crappy old awk
AWK=`which gawk 2>/dev/null`
AWK=${AWK:-`which nawk`}
AWK=${AWK:-`which awk`}
# need ksh or bash for subshell pid hack
KSH=`which ksh 2>/dev/null`
KSH=${KSH:-`which bash`}
usage() {
[ $# -gt 0 ] && echo "$PROGNAME: $@" 1>&2
echo "usage:" 1>&2
echo "list running auctions: $PROGNAME" 1>&2
echo "start auctions: $PROGNAME auctionfile [...]" 1>&2
echo "get status of auctions: $PROGNAME (-i | -I num) auctionfile_or_pid [...]" 1>&2
echo "kill auctions: $PROGNAME -k auctionfile_or_pid [...]" 1>&2
echo "kill all auctions: $PROGNAME -k" 1>&2
exit 2
}
# error exitcode message
error() {
exitcode="$1"
shift
echo "$PROGNAME: $@" 1>&2
exit "$exitcode"
}
# warn message
warn() {
echo "$PROGNAME: $@" 1>&2
}
active() {
if grepSnipes >/dev/null 2>&1; then
echo "Currently active snipes:"
grepSnipes
else
echo "No snipes currently active."
false
fi
}
grepSnipes() {
ps -ef | grep "^$USER[ \\t].*[ /]esniper "
}
# killSnipes <auctionfile_or_pid>
killSnipes() {
PID=`grepSnipes | awk '$NF == "'"$1"'" {print $2; exit}'`
if [ "$PID" = "" ]; then
PID=`grepSnipes | awk '$2 == "'"$1"'" {print $2; exit}'`
if [ "$PID" = "" ]; then
echo "unknown auction file or pid: $1"
return
fi
fi
kill "$PID"
}
# info <auctionfile_or_pid>
info() {
outfile="$SNIPE_OUTDIR/$1.txt"
if [ ! -f "$outfile" ]; then
PID=`grepSnipes | \
$AWK '$0 ~ " esniper ([^ ]* )*'"$1"'$" {print $2; exit}'`
if [ "$PID" = "" ]; then
outfile=`ls -t "$SNIPE_OUTDIR"/*.txt | $AWK '{
fn = $0
ret = getline <fn
close(fn)
if (ret > 0 && $0 == "# esniper '"$1"'") {
print fn
exit
}
}'`
else
outfile="$SNIPE_OUTDIR/$PID.txt"
fi
if [ ! -f "$outfile" ]; then
echo "Cannot find info on $1"
return
fi
fi
echo "Info on $1:"
case "$LINES" in
all) cat "$outfile";;
*) tail -"$LINES" "$outfile";;
esac
}
OP=run
LINES=
while getopts "iI:k" opt; do
case "$opt" in
i) OP=info; LINES=all;;
I) OP=info; LINES="$OPTARG";
echo "$LINES" | grep '^[0-9][0-9]*$' >/dev/null 2>&1 || \
usage "Argument to -I must be numeric";;
k) OP=kill;;
\?) usage;;
esac
done
shift `expr $OPTIND - 1`
if [ $# -eq 0 ]; then
case "$OP" in
run | info)
active
;;
kill)
if active; then
echo killing...
grepSnipes | awk '{print $2}' | xargs kill
# wait until processes die (hopefully)
for attempts in 1 2 3 4 5; do
grepSnipes >/dev/null 2>&1 || break
sleep 1
done
# what's left?
active
fi
;;
esac
else
case "$OP" in
run)
for i in "$@"; do
if [ ! -f "$i" ]; then
warn "Auction file $i not found"
continue
fi
(PID="`"$KSH" -c 'echo $PPID'`"; \
echo "$PID" >"$SNIPE_OUTDIR/lastpid"; \
echo "# esniper $i" >"$SNIPE_OUTDIR/$PID.txt"; \
exec esniper "$i" >>"$SNIPE_OUTDIR/$PID.txt" 2>&1) &
done
;;
info)
info "$1"
shift
for i in "$@"; do
echo
info "$i"
done
;;
kill)
for i in "$@"; do
killSnipes "$i"
done
;;
esac
fi
|
