#! /bin/bash
# Copyright (c) 2008 Unstable  All rights reserved.
#
# Author: admin@unstable.co.uk 2008
#
# Description: Runs and kills Call of Duty 4 server at boot time and shutdown.
# Source function library.
# Create a symlink to this script in /etc/rc3.d/S99cod4server or equivalent.
# Tested on Fedora Core 6.
# Released under the GPL License.
# http://www.gnu.org/licenses/gpl.txt

# START OF CONFIG SECTION
# WARNING ! For security reasons we advise: DO NOT RUN THE SERVER AS ROOT
USER=cod4
DIR=/var/games/cod4/cod4server
CONFIG_FILE=server.cfg
PID_FILE=cod4.pid
BINARY=cod4_lnxded
SERVER_ARGS="+map_rotate 1"
# END OF CONFIG SECTION

# See how we were called.
case "$1" in
	start)
		if [ -e $DIR/$PID_FILE ]; then
			echo "$PID_FILE already exists...server already started ?";
			echo "If you are sure the server is not running, delete $PID_FILE"
			exit 1
		else
			echo "Starting the Call of Duty 4 Game server..."
			if [ -e $DIR/$BINARY ]; then
				if [ ! -x $DIR/$BINARY ]; then
					echo "$BINARY is not executable; trying to set it."
					chmod u+x $DIR/$BINARY
				fi
				if [ -x $DIR/$BINARY ]; then
					WD=`pwd`
					cd $DIR
					su $USER -c "$DIR/$BINARY +exec $CONFIG_FILE $SERVER_ARGS" > /dev/null 2>$1 &
					sleep 1
					ps -fu cod4 | grep "$BINARY-bin" | awk '{print $2}' > $PID_FILE
					cd $WD
				else
					echo "$BINARY is not executable; fix this."
					exit 4
				fi
			else
				echo "Couldnt find $BINARY."
				exit 5
			fi
		fi
	;;
	stop)
		if [ -e $DIR/$PID_FILE ]; then
			echo -n "Stopping the Call of Duty 4 Game server..."
			if ( kill -TERM `cat $DIR/$PID_FILE && rm $DIR/$PID_FILE` ); then
				for c in $(seq 1 300); do
					if [ -e $DIR/$PID_FILE ]; then
						echo -n "."
						sleep 1
					fi
				done
			fi
			if [ -e $DIR/$PID_FILE ]; then
				echo "server does not shutdown cleanly - killing"
				kill -KILL `cat $DIR/$PID_FILE`
				rm $DIR/$PID_FILE
				sleep 5
			else
				echo "done"
			fi
		else
			echo "$PID_FILE is missing; is the server stopped already?"
		fi
	;;
	restart)
		$0 stop && $0 start || exit 1
	;;
	status)
		if [ -e $DIR/$PID_FILE ]; then
			echo "The Call of Duty 4 Game server is running."
			exit 0
		else
			echo "The Call of Duty 4 Game server is stopped."
			exit 3
		fi
	;;
	*)
		echo "Usage: $0 {start|stop|restart|status|}"
		exit 2
	esac
exit 0