#!/bin/sh

#source var/function
. ./function.sh
inst_launch_workaround

PATH=./:$PATH

print_start() {
	#    more << EOF
	echo "Athena Starting..."
	echo "            (c) 2013 rAthena Project"
	echo ""
	echo ""
	echo "checking..."
	#EOF
}

get_status(){
	PIDFILE=.$1.pid
	if [ -e ${PIDFILE} ]; then
		ISRUN=$(ps ax | grep $(cat ${PIDFILE}) | grep $1)
		PSRUN=$(echo "$ISRUN" | awk '{ print substr( $0, 0, 7) }')
	fi
	return $PSRUN
}

#cheking if already started, launch and mark in log
start_serv(){ 
	get_status $1
	if [ $2 ]; then #is logging on ?
		LOGFILE="log/$1.launch.log"
		LOGRUN="log/$1.log"
		FIFO="$1_fifo"
		echo "stat_serv, log is enabled"
		echo "My logfile=${LOGFILE}"
		if [ -z ${PSRUN} ]; then
		if [ -e ./${FIFO} ]; then rm "$FIFO"; fi
			mkfifo "$FIFO"; tee "$LOGRUN" < "$FIFO" & "./$1" > "$FIFO" 2>&1 & PID=$!
			#"./$1" > >(tee "$LOGRUN") 2>&1 & PID=$! #bash only
			echo "$PID" > .$1.pid
			echo "Server '$1' started at `date +"%m-%d-%H:%M-%S"`" | tee ${LOGFILE}
		else
			echo "Can't start '$1', cause is already running p${PSRUN}" | tee ${LOGFILE}
		fi
	else
		if [ -z ${PSRUN} ]; then
			./$1&
			echo "$!" > .$1.pid
			echo "Server '$1' started at `date +"%m-%d-%H:%M-%S"`"
		else
			echo "Can't start '$1', cause is already running p${PSRUN}"
		fi
	fi
}

#experimental
watch_serv(){
	LOGFILE="log/$1.launch.log"
	LOGRUN="log/$1.log"
	FIFO="$1_fifo"
	ulimit -Sc unlimited

	while true; do
		get_status $1
		if [ -z ${PSRUN} ]; then
			$count=$count+1
			echo "server '$1' is down" | tee ${LOGFILE}
			echo "restarting server at time at `date +"%m-%d-%H:%M-%S"`" | tee ${LOGFILE}
			if [ -e ./${FIFO} ]; then rm "$FIFO"; fi
			mkfifo "$FIFO"; tee "$LOGRUN" < "$FIFO" & "./$1" > "$FIFO" 2>&1 & PID=$!
			echo "$PID" > .$1.pid
			if [ $3 ] && [ $3 -lt $count ]; then break; fi
		else sleep $2    
		fi
	done
}

restart(){
	$0 stop
	for i in ${L_SRV} ${C_SRV} ${M_SRV}
	do
		FIFO="$1_fifo"
		while true; do
			get_status ${i}
			if [ ${PSRUN} ]; then echo "'${i}' is still running p${PSRUN} waiting end"; sleep 2;
			else 
				if [ -e ./${FIFO} ]; then rm "$FIFO"; fi
				break
			fi
		done
	done
  $0 start
}

case $1 in
    'start')
		print_start
		check_files
		echo "Check complete."
		echo "Looks good, a nice Athena!"
		if [ "$2" = "--enlog" ]; then
		 ENLOG=1
		 echo "Logging is enable"
		else
		 echo "Logging is disable"
		fi
		for i in ${L_SRV} ${C_SRV} ${M_SRV}
		do
			start_serv $i $ENLOG
		done
		echo "Now Started Athena."
	;;
    'watch')
		for i in ${L_SRV} ${C_SRV} ${M_SRV}
		 do
			watch_serv $i 10 3
		done
		echo "Now watching Athena."
	;;	
	'stop')
		for i in ${L_SRV} ${C_SRV} ${M_SRV}
		do
			PIDFILE=.${i}.pid
			if [ -e ./${PIDFILE} ]; then
				kill $(cat ${PIDFILE})
				rm ${PIDFILE}
			fi
		done
	;;
	'restart')
		 restart
	;;
	'status')
	for i in ${L_SRV} ${C_SRV} ${M_SRV}
	do
		get_status ${i}
		if [ ${PSRUN} ]; then echo "'${i}' is running p${PSRUN}"; else echo "'${i}' seem down"; fi
	done
	;;
	*)
		echo "Usage: athena-start { start | stop | restart | status | watch }"
		echo "option --enlog will tee output into a logfile"
		read -p "Enter a valid option: " readEnterKey
		$0 $readEnterKey
	;;
esac