tango_wca.in

#!@SHELL@
#
# script to start TANGO database 
#

TANGO_DB_PORT=10000

#
# Internal functions
#
checkmysql() {
        NB=`$PS -ef | $GREP mysqld| $GREP -v $GREP | wc -l`
	export NB

	if [ $NB = 0 ] 
	then
		return=1
		export return
	else
		return=0
		export return
	fi
}

findproc() {
	pid=`$PS -e | $GREP "$1" | $SED -e 's/^  *//' -e 's/ .*//'`
}

checkdatabaseds() {
        NB=`$PS -ef | $GREP -i databaseds | $GREP -v $GREP | wc -l`
	export NB
	if [ $NB = 0 ] 
	then
		return=1
	else
		return=0
	fi
}

startproc() {
	findproc $1
	if [ "$pid" != "" ];
	then
		${ECHO} "$1 Server is already running"
		'date' >> ${TANGO_LOG}
		${ECHO} "$1 Server is already running" >> ${TANGO_LOG}
	else
		$2 &

		${ECHO} "Starting Tango $1 Server"
		'date' >> ${TANGO_LOG}
		${ECHO} "Starting Tango $1 Server" >> ${TANGO_LOG}

		# wait for a while before checking status
		sleep 3
		findproc $1
		if [ "$pid" = "" ];
		then
			${ECHO} "Failed to start Tango $1 server"
			'date' >> ${TANGO_LOG}
			${ECHO} "Failed to start Tango $1 server" >> ${TANGO_LOG}
			exit 1
		fi
		${ECHO} "$rc_done"
	fi
}

killproc() {
	pid=`$PS -e | $GREP "$1" | $SED -e 's/^  *//' -e 's/ .*//'`

	[ "$pid" != "" ] && kill -9 $pid
}


#
# Check the platform used
#
OS=`uname -s`

#
# Settings common  to all platforms
#
SERVERBINHOME=@prefix@/bin
LD_LIBRARY_PATH=@prefix@/lib:$LD_LIBRARY_PATH
export LD_LIBRARY_PATH

#
# Platform specific settings
#
case "${OS}" in
    "Linux")
	PS="/bin/ps"
	ECHO="/bin/echo -e"
	GREP="grep"
	SED="sed"
	TANGO_LOG="/tmp/tango.log"
    ;;
    "SunOS")
	rc_failed=" failed"
	rc_done=" OK"

	PS="/bin/ps"
	ECHO="/usr/ucb/echo"
	GREP="grep"
	SED="sed"
	TANGO_LOG=/tmp/tango.log
    ;;
    "HP-UX")
	test -f /etc/rc.config && . /etc/rc.config
	
    	PS="/usr/bin/ps"
	ECHO="/bin/echo "
	GREP="/usr/bin/grep"
	SED="/usr/bin/sed"
	TANGO_LOG="/tmp/tango.log"	
    ;;
    *)
    echo "Not supporting operating system: " ${OS}
    exit 1
esac



#
# Main part
#
case "$1" in
    start)

	${ECHO} "Starting TANGO database"

	# first check the MySQL  server
	checkmysql
	export return
	if [ ${return} = 1 ]
	then
		sleep 3
		checkmysql

		if [ ${return} = 1 ]
		then
			# MySQL is not there, we can't start Tango db
			${ECHO} "PLEASE Start MySQL server\n"
			'date' >> ${TANGO_LOG}
			${ECHO} "Failed to start Tango database server" >> ${TANGO_LOG}
			${ECHO} "MySQL is not running !!!" >> ${TANGO_LOG}
	        	${ECHO} "$rc_failed"
			exit 1
		fi
	fi
	# Start the database device server if needed
	startproc DataBase "${SERVERBINHOME}/DataBaseds 2 -ORBendPoint giop:tcp::$TANGO_DB_PORT"

	
	# Start the tango control access server if needed
	export SUPER_TANGO=true
	startproc TangoAccessC "${SERVERBINHOME}/TangoAccessControl 1"

	startproc TangoRestSer "${SERVERBINHOME}/TangoRestServer rest"
    ;;
    stop)
        ${ECHO} "Shutting down TANGO control system"

    # first shutdown the rest-server
	'date' >> ${TANGO_LOG}
	${ECHO} "Stopping TangoRestServer" >> ${TANGO_LOG}
	killproc TangoRestSer

	# second shutdown the control access device server
	'date' >> ${TANGO_LOG}
	${ECHO} "Stopping TANGO Control Access Server" >> ${TANGO_LOG}
	killproc TangoAccessC
	
	# then shutdown the database device server
	'date' >> ${TANGO_LOG}
	${ECHO} "Stopping TANGO Database Server" >> ${TANGO_LOG}
	killproc DataBaseds
	${ECHO} "$rc_done"
    ;;
    restart)
        $0 stop  && sleep 2 &&  $0 start 
    ;;
    status)
	checkmysql
	if [ ${return} = 0 ]
	then
		${ECHO} "MySQL OK"
	else
		${ECHO} "MySQL : No process"
	fi

	findproc DataBase
	if [ "$pid" != "" ];
	then
		${ECHO} "TANGO Database server OK"
	else
		${ECHO} "TANGO Database server : No process"
	fi

	findproc TangoAccessC
	if [ "$pid" != "" ];
	then
		${ECHO} "TANGO Access Control server OK"
	else
		${ECHO} "TANGO Access Control server : No process"
	fi

	findproc TangoRestSer
	if [ "$pid" != "" ];
	then
        	${ECHO} "TangoRestServer server OK"
	else
        	${ECHO} "TangoRestServer server : No process"
	fi
    ;;
    *)
    ${ECHO} "Usage: $0 {start|stop|status|restart}"
    exit 1
esac

exit 0