#!/bin/sh
#
# BESServer:    Starts the BigFix Server
#
# chkconfig: 2345 99 99
# description: Starts and stops the BigFix Server daemon
# processname: BESServer

export SYSTEMCTL_SKIP_REDIRECT=1

# Source function library.
. /etc/init.d/functions

prog=BESRootServer
service=besserver

test -x /opt/BESServer/bin/$prog || exit 0

start() {
	SKIP_CLIENT_RESTART="${SKIP_CLIENT_RESTART:-noskip$1}"

	/bin/echo -n $"Starting BigFix: $prog: "

	hasSystemd=0
	if [ -e /etc/systemd ] && [ -f /etc/os-release ]; then
		. /etc/os-release
		if [ -n "$VERSION_ID" ]; then
			ver=$(echo $VERSION_ID | sed 's/\..*$//' | sed 's/,.*$//')
			if [ -n "$ver" ] && [ -n "$ID" ]; then
				# rhel >= 7 with systemd. Containers don't support systemd
				[ "$ID" = "rhel" ] && [ "$ver" -ge 7 ] && systemdPid=`pidof systemd` && [ -n "$systemdPid" ] && hasSystemd=1
			fi
		fi
	fi
	if [ "$hasSystemd" -eq 0 ] && [ -f /etc/locale.conf ]; then
		 . /etc/locale.conf
		 export LANG LC_ALL LC_CTYPE LC_MESSAGES
	fi

	export BESClientActionMastheadPath=/etc/opt/BESServer/actionsite.afxm

	export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/BESServer/bin
	export BES_LIBPATH=/opt/BESServer/bin
	DB2INSTANCE=db2inst1
	export DB2INSTANCE

	CLIENT_RESTART_NEEDED=0
	serverConfigPath=/var/opt/BESServer/besserver.config
	if [ ! -f $serverConfigPath ]; then
		if [ ! -f $serverConfigPath.default ]; then
			failure "Missing config file $serverConfigPath."
			/bin/echo
			return 1
		fi
		cat $serverConfigPath.default > $serverConfigPath
		CLIENT_RESTART_NEEDED=1
	fi

	stackSizeHardLimitKB=$(ulimit -Hs)
	if [ "$stackSizeHardLimitKB" != "unlimited" ] && [ $stackSizeHardLimitKB -lt 10240 ]; then
		failure "Stack size hard limit ( ulimit -Hs ) too low = $stackSizeHardLimitKB."
		/bin/echo
		return 1	
	fi

	stackSizeSoftLimitKB=$(ulimit -Ss)
	if [ "$stackSizeSoftLimitKB" = "unlimited" ] || [ $stackSizeSoftLimitKB -lt 10240 ]; then
		ulimit -Ss 10240
	fi

	daemon /opt/BESServer/bin/$prog 2> /dev/null
	ret=$?
	[ $ret -eq 0 ] && touch /var/lock/subsys/$service
	/bin/echo

	if [[ $CLIENT_RESTART_NEEDED -eq 1 && $SKIP_CLIENT_RESTART == "noskip" ]]; then
		CLIENT_INIT=/etc/init.d/besclient
		if [ -f $CLIENT_INIT ]; then
			( export BES_LIBPATH=/opt/BESClient/bin; $CLIENT_INIT restart )
		fi
	fi

	return $ret
}

stop() {
	/bin/echo -n $"Stopping BigFix: $prog: "
	# Find pid.
	pid=`pidof /opt/BESServer/bin/$prog`
	if [ -z "$pid" ]; then
		ret=1
		RC=0
	else
		delay=120
		/bin/kill -TERM $pid >/dev/null 2<&1
		ret=$?
		sleep 0.2
		count=0
		while checkpid $pid && [ "$count" -lt "$delay" ];
		do sleep 5; count=$(($count+5));
		done
		if [ "$count" -ge "$delay" ]; then
			kill -KILL $pid >/dev/null 2<&1
			ret=$?
		fi
		sleep 0.2
		checkpid $pid
		RC=$?
	fi
	[ "$RC" -eq 0 ] && failure $"BESRootServer shutdown" || success $"BESRootServer shutdown"
		RC=$((! $RC))
	[ $ret -eq 0 ] && rm -f /var/lock/subsys/$service
	/bin/echo
	return $ret
}

restart() {
	stop
	start
}

reload() {
	restart
}

status_BESServer() {
	status /opt/BESServer/bin/$prog
}

setup_configfile() {
	masthead=$1
	configfile=$2
	gatherurl=$3

	/bin/echo >> $configfile

	/bin/echo "[Software\\BigFix\\Enterprise Server]" >> $configfile
	/bin/echo -e "__Installer_Masthead_GatherURL\t\t= $gatherurl\n" >> $configfile

	URL=$( perl -ne 'if( m#^X-Fixlet-Site-Registration-URL:\s+([[:print:]]+)# ) { print $1; }' $masthead )
	if [ -n "$URL" ]; then
		/bin/echo "[Software\\BigFix\\EnterpriseClient\\Settings\\Client\\_Enterprise Server_ClientRegister_ParentRelayURL]" >> $configfile
		/bin/echo -e "value\t\t= $URL\n" >> $configfile
	fi

	URL=$(  perl -ne 'if( m#^X-Fixlet-Site-Report-URL:\s+([[:print:]]+)# ) { print $1; }' $masthead )
	PORT=$( perl -ne 'if( m#^X-Fixlet-Site-Report-URL:\s+http://\S+:(\d+)# ) { print $1; }' $masthead )
	if [ -n "$URL" ]; then
		/bin/echo "[Software\\BigFix\\EnterpriseClient\\Settings\\Client\\_BESRelay_PostResults_ParentRelayURL]" >> $configfile
		/bin/echo -e "value\t\t= $URL\n" >> $configfile
		/bin/echo "[Software\\BigFix\\EnterpriseClient\\Settings\\Client\\_BESRelay_HTTPServer_PortNumber]" >> $configfile
		/bin/echo -e "value\t\t= $PORT\n" >> $configfile
	fi

	URL=$(  perl -ne 'if( m#^X-Fixlet-Site-Gather-URL:\s+(http://\S+:\d+)# ) { print $1; }' $masthead )
	PORT=$( perl -ne 'if( m#^X-Fixlet-Site-Gather-URL:\s+http://\S+:(\d+)# ) { print $1; }' $masthead )
	if [ -n "$URL" -a -n "$PORT" ]; then
		/bin/echo "[Software\\BigFix\\Enterprise Server\\GatherService]" >> $configfile
		/bin/echo -e "HttpContentLocation\t\t= $URL/bfmirror/bfsites\n" >> $configfile

		/bin/echo "[Software\\BigFix\\EnterpriseClient\\Settings\\Client\\_Enterprise Server_ClientRegister_UDPMessagePort]" >> $configfile
		/bin/echo -e "value\t\t= $PORT\n" >> $configfile
	fi

	URL=$( perl -ne 'if( m#^X-BES-Mirror-Gather-URL:\s+([[:print:]]+)# ) { print $1; }' $masthead )
	if [ -n "$URL" ]; then
		/bin/echo "[Software\\BigFix\\EnterpriseClient\\Settings\\Client\\_BESGather_Comm_ParentRelayURL]" >> $configfile
		/bin/echo -e "value\t\t= $URL\n" >> $configfile
	fi

	URL=$( perl -ne 'if( m#^X-BES-Mirror-Download-URL:\s+([[:print:]]+)# ) { print $1; }' $masthead )
	if [ -n "$URL" ]; then
		/bin/echo "[Software\\BigFix\\Enterprise Server\\GatherService]" >> $configfile
		/bin/echo -e "DownloadMirror URL\t\t= $URL\n" >> $configfile
	fi
}

case "$1" in
	start)
		start
		;;
	start_skipclientrestart)
		start "skipclientrestart"
		;;
	stop)
		stop
		;;
	condrestart)
		if [ -f /var/lock/subsys/$service ]; then
			restart
		fi
		;;
	reload|restart)
		restart
		;;
	status)
		status_BESServer
		;;
	*)
		/bin/echo $"Usage: besserver {start|stop|status|restart|reload|condrestart}"
		exit 1
esac

exit $?
