release/src/router/dnsmasq/contrib/guns/dnsmasq.rc

   1 #!/usr/bin/env bash
   2
   3 NAME='dnsmasq'
   4 PROGRAM="%%BINDIR%%/$NAME"
   5 PIDFILE="/var/run/$NAME.pid"
   6 OPTIONS=()
   7
   8 run() { echo "$@"; "$@"; }
   9 alive() { [[ -e "$PIDFILE" ]] && kill -0 "$(cat "$PIDFILE")" &>/dev/null; }
  10
  11 start() {
  12     if alive; then
  13         echo "$NAME is already running."
  14         return 1
  15     elif ! "$PROGRAM" --test; then
  16         return 1
  17     else
  18         run "$PROGRAM" "${OPTIONS[@]}"
  19     fi
  20 }
  21
  22 stop() {
  23     if alive; then
  24         run kill $(cat $PIDFILE)
  25     else
  26         echo "$NAME is not running."
  27         return 1
  28     fi
  29 }
  30
  31 case $1 in
  32 start)      start;;
  33 stop)       stop;;
  34 restart)    stop; while alive; do sleep 1; done; start;;
  35 *)          echo "Usage: ${0##*/} start|stop|restart"; exit 1
  36 esac