/etc/init.d/teeworlds_all_ctf

#!/bin/bash
### BEGIN INIT INFO
# Provides:     teeworlds_all_ctf
# Required-Start:   $remote_fs $network
# Required-Stop:    $remote_fs
# Default-Start:        2 3 4 5
# Default-Stop:
# Short-Description:    Teeworlds all ctf server
### END INIT INFO

SCREEN_NAME="teeworlds_all_ctf"
USER="server"
DIR="/home/$USER/teeworlds"
CONFIG="$DIR/$SCREEN_NAME.cfg"
DAEMON_GAME="/usr/games/teeworlds-server"
PARAM_START="-f $CONFIG"

# Do not change this path
PATH=/bin:/usr/bin:/sbin:/usr/sbin

function start {
  if status; then echo "$SCREEN_NAME is already running"; exit 1; fi
  if [ `whoami` = root ]
  then
    su - $USER -c "cd $DIR_USER; screen -AmdS $SCREEN_NAME $DAEMON_GAME $PARAM_START"
  else
    cd $DIR_USER
    screen -AmdS $SCREEN_NAME $DAEMON_GAME $PARAM_START
  fi
}

function stop {
  if ! status; then echo "$SCREEN_NAME could not be found. Probably not running."; exit 1; fi
  if [ `whoami` = root ]
  then
    tmp=$(su - $USER -c "screen -ls" | awk -F . "/\.$SCREEN_NAME\t/ {print $1}" | awk '{print $1}')
    su - $USER -c "screen -r $tmp -X quit"
  else
    screen -r $(screen -ls | awk -F . "/\.$SCREEN_NAME\t/ {print $1}" | awk '{print $1}') -X quit
  fi
}

function status {
  if [ `whoami` = root ]
  then
    su - $USER -c "screen -ls" | grep [.]$SCREEN_NAME[[:space:]] > /dev/null
  else
    screen -ls | grep [.]$SCREEN_NAME[[:space:]] > /dev/null
  fi
}

function console {
  if ! status; then echo "$SCREEN_NAME could not be found. Probably not running."; exit 1; fi
  if [ `whoami` = root ]
  then
    tmp=$(su - $USER -c "screen -ls" | awk -F . "/\.$SCREEN_NAME\t/ {print $1}" | awk '{print $1}')
    su - $USER -c "screen -r $tmp"
  else
    screen -r $(screen -ls | awk -F . "/\.$SCREEN_NAME\t/ {print $1}" | awk '{print $1}')
  fi
}

function usage {
  echo "Usage: $0 {start|stop|status|restart|console}"
  echo "On console, press CTRL+A then D to stop the screen without stopping the server."
}

case "$1" in

  start)
    echo "Starting $SCREEN_NAME..."
    start
    sleep 5
    echo "$SCREEN_NAME started successfully"
  ;;

  stop)
    echo "Stopping $SCREEN_NAME..."
    stop
    sleep 5
    echo "$SCREEN_NAME stopped successfully"
  ;;

  restart)
    echo "Restarting $SCREEN_NAME..."
    status && stop
    sleep 5
    start
    sleep 5
    echo "$SCREEN_NAME restarted successfully"
  ;;

  status)
    if status
    then echo "$SCREEN_NAME is UP"
    else echo "$SCREEN_NAME is DOWN"
    fi
  ;;

  console)
    echo "Open console on $SCREEN_NAME..."
    console
  ;;

  *)
    usage
    exit 1
  ;;

esac

exit 0