#!/bin/sh
# Start/stop/restart/reload the Squid Internet Object Cache (squid)

# Written for Slackware Linux by Erik Jan Tromp

squid_start() {
  # Create cache directory hierarchy if needed
  ALL_DIRS=$(awk '/^cache_dir/ {print $3}' /etc/squid/squid.conf)
  [ -z "$ALL_DIRS" ] && ALL_DIRS=/var/cache/squid
  for CACHE_DIR in $ALL_DIRS ; do
    if [ -x /usr/sbin/squid -a ! -d $CACHE_DIR/00 ] ; then
      /usr/sbin/squid -z
      break
    fi
  done

  if [ -x /usr/sbin/squid ]; then
    echo "Starting Squid:  /usr/sbin/squid -DF"
    /usr/sbin/squid -DF
  fi
}

squid_stop() {
  echo -n "Shutting down Squid:  "
  /usr/sbin/squid -k shutdown 2> /dev/null
  COUNTDOWN=30
  while /usr/sbin/squid -k check 2> /dev/null ; do
    sleep 1
    echo -n .
    COUNTDOWN=$[ $COUNTDOWN - 1 ]
    if [ $COUNTDOWN -le 0 ] ; then
      /usr/sbin/squid -k interrupt 2> /dev/null
      sleep 1
      break
    fi
  done
  echo
}

squid_restart() {
  squid_stop
  sleep 1
  squid_start
}

squid_reload() {
  /usr/sbin/squid -k reconfigure 2> /dev/null
}

case "$1" in
'start')
  squid_start
  ;;
'stop')
  squid_stop
  ;;
'restart')
  squid_restart
  ;;
'reload')
  squid_reload
  ;;
*)
  echo "usage: $0 start|stop|restart|reload"
esac