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#! /bin/sh
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### BEGIN INIT INFO
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# Provides:          CDM Server
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# Required-Start:    $local_fs $remote_fs
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# Required-Stop:     $local_fs $remote_fs
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# Default-Start:     2 3 4 5
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# Default-Stop:      0 1 6
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# Short-Description: Starts CDMServer daemon
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# Description:       Starts CDMServer daemon which provides a RESTful webservice to access CDM Stores
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### END INIT INFO
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# install init script:		update-rc.d cdmserver defaults
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# uninstall init script:	update-rc.d -f cdmserver remove
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# Author: Andreas Kohlbecker
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# Do NOT "set -e"
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# PATH should only include /usr/* if it runs after the mountnfs.sh script
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PATH=/usr/sbin:/usr/bin:/sbin:/bin
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#CDM_HOME=/home/cdm
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CDM_HOME=/opt/cdmserver
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CDM_LIBRARY=$CDM_HOME".cdmLibrary"
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DESC="CDM Server"
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NAME=cdmserver
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LOG="$CDM_HOME/$NAME.log"
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DAEMON=/usr/bin/java
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DAEMON_ARGS="-Xmx1024M -XX:PermSize=128m -XX:MaxPermSize=192m -XX:+UseConcMarkSweepGC -XX:+CMSClassUnloadingEnabled -XX:+CMSPermGenSweepingEnabled -Duser.home=$CDM_HOME -jar "$CDM_HOME/cdm-server.jar""
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PIDFILE=/var/run/$NAME.pid
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SCRIPTNAME=/etc/init.d/$NAME
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# Exit if the package is not installed
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[ -x "$DAEMON" ] || exit 0
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# Read configuration variable file if it is present
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[ -r /etc/default/$NAME ] && . /etc/default/$NAME
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# Load the VERBOSE setting and other rcS variables
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[ -f /etc/default/rcS ] && . /etc/default/rcS
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# Define LSB log_* functions.
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# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
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. /lib/lsb/init-functions
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pid_of_cdmserver() {
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    cat "$PIDFILE"
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}
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#
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# Function that starts the daemon/service
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#
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do_start()
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{
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  #[ -e "$LOG" ] && cnt=`wc -l "$LOG" | awk '{ print $1 }'` || cnt=1
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	# Return
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	#   0 if daemon has been started
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	#   1 if daemon was already running
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	#   2 if daemon could not be started
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	# log_daemon_msg "Starting $DESC" "$NAME with $DAEMON_ARGS"
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	echo -ne "Starting $DESC" "$NAME with $DAEMON_ARGS"
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	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
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		|| return 1
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	start-stop-daemon --start --pidfile $PIDFILE --make-pidfile --background --exec $DAEMON -- \
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		$DAEMON_ARGS \
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		|| return 2
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	# Add code here, if necessary, that waits for the process to be ready
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	# to handle requests from services started subsequently which depend
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	# on this one.  As a last resort, sleep for some time.
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        #while { pid_of_cdmserver > /dev/null ; } &&
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        #        ! { tail +$cnt "$LOG" | grep -q 'Winstone Servlet Engine .* running' ; } ; do
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        #      sleep 1
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        #done
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}
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#
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# Function that stops the daemon/service
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#
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do_stop()
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{
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	# Return
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	#   0 if daemon has been stopped
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	#   1 if daemon was already stopped
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	#   2 if daemon could not be stopped
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	#   other if a failure occurred
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	log_daemon_msg "Stopping $DESC" "$NAME"
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	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
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	RETVAL="$?"
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	[ "$RETVAL" = 2 ] && return 2
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	# Wait for children to finish too if this is a daemon that forks
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	# and if the daemon is only ever run from this initscript.
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	# If the above conditions are not satisfied then add some other code
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	# that waits for the process to drop all resources that could be
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	# needed by services started subsequently.  A last resort is to
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	# sleep for some time.
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	start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
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	[ "$?" = 2 ] && return 2
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	# Many daemons don't delete their pidfiles when they exit.
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	rm -f $PIDFILE
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	return "$RETVAL"
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}
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#
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# Function that sends a SIGHUP to the daemon/service
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#
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do_reload() {
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	#
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	# If the daemon can reload its configuration without
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	# restarting (for example, when it is sent a SIGHUP),
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	# then implement that here.
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	#
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	start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
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	return 0
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}
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case "$1" in
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  start)
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	[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
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	do_start
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	case "$?" in
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		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
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		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
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	esac
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	;;
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  debug)
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    DAEMON_ARGS=" -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8000 $DAEMON_ARGS"
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    [ "$VERBOSE" != no ] && log_daemon_msg "Starting in debug mode $DESC" "$NAME"
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    do_start
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    case "$?" in
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        0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
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        2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
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    esac
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    ;;
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  stop)
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	[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
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	do_stop
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	case "$?" in
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		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
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		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
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	esac
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	;;
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  #reload|force-reload)
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	#
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	# If do_reload() is not implemented then leave this commented out
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	# and leave 'force-reload' as an alias for 'restart'.
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	#
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	#log_daemon_msg "Reloading $DESC" "$NAME"
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	#do_reload
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	#log_end_msg $?
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	#;;
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  restart|force-reload)
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	#
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	# If the "reload" option is implemented then remove the
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	# 'force-reload' alias
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	#
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	log_daemon_msg "Restarting $DESC" "$NAME"
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	do_stop
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	case "$?" in
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	  0|1)
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		do_start
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		case "$?" in
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			0) log_end_msg 0 ;;
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			1) log_end_msg 1 ;; # Old process is still running
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			*) log_end_msg 1 ;; # Failed to start
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		esac
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		;;
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	  *)
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	  	# Failed to stop
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		log_end_msg 1
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		;;
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	esac
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	;;
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  *)
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	#echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
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	echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload|debug}" >&2
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	exit 3
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	;;
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esac
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