#!/bin/sh
# mptsd server control script
# Copyright (C) 2007-2011 Unix Solutions Ltd.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
#

PATH="/home/iptv:/bin:/sbin:/usr/bin:/usr/local/bin"
export PATH
cd $(dirname $0)

CONFIG="$(basename $0).conf"

if [ ! -r $CONFIG ]
then
	echo "[ERROR] $CONFIG is not found."
	exit 1
fi

. ./$CONFIG

istart() {
	echo "[START] Starting $PRGNAME."
	if [ ! -f "$SERVER" -o ! -x "$SERVER" ]
	then
		echo "[ERROR] $SERVER does not exist or it's not executable."
		exit 1
	fi
	if [ -r "$PIDFILE" ]
	then
		fpid=$(cat "$PIDFILE" 2>/dev/null)
		rpid=$(pidof $PRGNAME 2>/dev/null)
		if [ -n "$rpid" -a "0$fpid" -eq "0$rpid" ]
		then
			echo "[ERROR] $PRGNAME is already running: (pid $rpid)"
			exit 1
		else
			echo "[ERROR] $PIDFILE is stale, $PRGNAME is not running. Deleting it pid file."
			rm $PIDFILE
		fi
	fi
	echo "[CMD  ] $SERVER $PARAMS"
	cd $(dirname $SERVER)
	$SERVER $PARAMS
	if [ $? -eq 0 ]
	then
		echo "[OK   ] $PRGNAME started."
	else
		echo "[ERROR] $PRGNAME not started."
	fi
}

istop() {
	echo "[STOP ] Stopping $PRGNAME."
	killall $PRGNAME
	if [ $? -eq 0 ]
	then
		echo -n "[WAIT ] Waiting"
		echo -n "." && sleep .3
		echo -n "." && sleep .3
		echo -n "." && sleep .3
		echo -n "." && sleep .2
		echo "."
		if [ -r "$PIDFILE" ]
		then
			RPID=$(pidof $PRGNAME 2>/dev/null)
			if [ "0$RPID" -ne "0" ]
			then
				echo "[ERROR] $PRGNAME is still running: (pid $(cat $PIDFILE)). Kill -9ing it."
				killall -9 $PRGNAME
			fi
		fi
		echo "[OK   ] $PRGNAME is stopped."
	fi
}

icheck() {
	if [ -r "$PIDFILE" ]
	then
		fpid=$(cat "$PIDFILE" 2>/dev/null)
		rpid=$(pidof $PRGNAME 2>/dev/null)
		if [ -n "$rpid" -a "0$fpid" -eq "0$rpid" ]
		then
			echo "[CHECK] $PRGNAME is already running: (pid $rpid)"
		else
			istart
		fi
	else
		echo "[CHECK] Stop and start"
		istop
		istart
	fi
}

istatus() {
	rpid=$(pidof $PRGNAME 2>/dev/null)
	echo "[STATUS] $PRGNAME pidfile pid: $(cat $PIDFILE 2>/dev/null)"
	echo "[STATUS] $PRGNAME pidof   pid: $rpid"
	if [ -z "$rpid" ]
	then
		echo "[STATUS] $PRGNAME is not running."
	else
		if [ -n "$rpid" -a "0$(cat $PIDFILE 2>/dev/null)" -eq "0$rpid" ]
		then
			echo "[STATUS] $PRGNAME is running"
		else
			echo "[STATUS] $PRGNAME is running but no pid file exist: $PIDFILE"
		fi
		ps ax | grep "$PRGNAME -i" | grep -v grep
	fi
}

ireconnect() {
	echo "[RECONN] Sending SIGUSR1 to $PRGNAME causing reconnect"
	kill -USR1 $(pidof $PRGNAME)
}

ireload() {
	echo "[RECONN] Sending SIGHUP to $PRGNAME causing configuration reload"
	kill -HUP $(pidof $PRGNAME)
}

case "$1" in
'start')
	if [ "$2" != "" ]
	then
		sleep "$2"
	fi
	istart
	;;
'stop')
	istop
	;;
'check')
	icheck
	;;
'status')
	istatus
	;;
'restart')
	istop
	istart
	;;
'reload')
	ireload
	;;
'reconnect')
	ireconnect
	;;
*)
	echo "Usage: `basename $0` start|stop|check|restart|reload|reconnect|status"
esac