rts2.initd.in

#!/bin/bash

# chkconfig: - 99 35
# description: Startup scripts for the Remote Telescope System, 2nd Version.
#
# pidfile: /var/run/rts2_*
# config:  /etc/rts2/rts2.ini

# (C) 2005-2010 Petr Kubanek <petr@kubanek.net>
# (C) 2010 Petr Kubanek, Institute of Physics <kubanek@fzu.cz>

### BEGIN INIT INFO
# Provides:          rts2
# Required-Start:    $network $local_fs $remote_fs $syslog postgresql udev
# Required-Stop:     $network $local_fs $remote_fs $syslog
# Should-Start:      udev
# Should-Stop:       udev
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start RTS2 drivers and services
# Description:       Startup scripts for the Remote Telescope System, 2nd Version.
### END INIT INFO

#
# Start/stops rts2 deamons (rts2-centrald, rts2-teld-xxx etc..)
#
#

ulimit -c unlimited

#
# Devices and services which failed to start/stop properly
#
failed=""

#
# Determine which kind of configuration we're using
#
system=unknown
if [ -f /etc/debian_version ]; then
	system=debian
elif [ -f /etc/redhat-release ]; then
	system=redhat
elif [ -f /etc/SuSE-release ]; then
	system=suse
elif [ -f /etc/slackware-version ]; then
	system=slackware
elif [ -f /etc/gentoo-release ]; then
	system=gentoo
elif [ `uname -o` == 'Cygwin' ]; then
	system=cygwin
else
	echo "$0: Unknown system, please port and contact kubanek@fzu.cz" 1>&2
	exit 1
fi

# initialize based on system detecttion
case $system in
	debian)
		. /lib/lsb/init-functions
		;;
	gentoo)
		. /etc/init.d/functions.sh
		function log_daemon_msg
		{
			einfo $*
		}

		function log_progress_msg
		{
			einfo $*
		}

		function log_warning_msg
		{
			ewarn $*
		}

		function log_failure_msg
		{
			eerror $*
		}

		function log_success_msg
		{
			einfo $*
		}

		function log_end_msg
		{
			if [ $1 == 0 ]; then
				einfo "ok"
			else
				eend $1 "failed"
				failedc=`expr $failedc + 1`
			fi
		}

		function wait_pid
		{
			if [ $2 == 0 ]; then
				until [ -s $1 ]; do
					echo -n "."
					sleep 1
				done
			fi
			rts2_start_log_end_msg $2 $3
		}
		;;
	slackware|redhat|suse|cygwin)
		# Source function library.
		if [ -f /etc/init.d/functions ] ; then
			. /etc/init.d/functions
		elif [ -f /etc/rc.d/init.d/functions ] ; then
			. /etc/rc.d/init.d/functions
		elif [ $system != 'cygwin' ]; then
			echo "Missing /etc/*/functions file"
			exit 0
		fi;
		failedc=0
		function log_daemon_msg
		{
			echo -n $* "  ."
		}

		function log_progress_msg
		{
			echo -n $* "  ."
		}

		function log_warning_msg
		{
			echo -n $* "  ."
		}

		function log_failure_msg
		{
			echo -n $* "  ."
		}

		function log_success_msg
		{
			echo -n $* "  ."
		}

		function log_end_msg
		{
			if [ $1 == 0 ]; then
				echo "ok"
			else
				echo "failed"
				failedc=`expr $failedc + 1`
			fi
		}

		function wait_pid
		{
			if [ $2 == 0 ]; then
				until [ -s $1 ]; do
					echo -n "."
					sleep 1
				done
			fi
			rts2_start_log_end_msg $2 $3
		}

		function daemon
		{
			$*
		}

		function killproc
		{
			kill $1
		}
		;;
esac

CENTRALD_FILE=@CONFDIR@/rts2/centrald
DEVICE_CONFIG=@CONFDIR@/rts2/devices
SERVICE_CONFIG=@CONFDIR@/rts2/services
RTS2_BIN_PREFIX=@prefix@/bin
RTS2_PID_PREFIX=@LOCK_PREFIX@
RTS2_LOG=@LOG_FILE@

rts2_log_daemon_msg()
{
	log_daemon_msg $*
	echo `date +'%Y-%m-%dT%H:%M:%S %Z'` '===<<<<<' $* >>$RTS2_LOG
}

rts2_start_log_end_msg()
{
	if [ $1 -eq 0 ]; then
		log_success_msg "Started RTS2 $2"
		echo `date +'%Y-%m-%dT%H:%M:%S %Z'` '===>>> ok' $2 >>$RTS2_LOG
	elif [ $1 -eq 1 ]; then
		log_warning_msg "RTS2 $2 already running"
		echo `date +'%Y-%m-%dT%H:%M:%S %Z'` '===>>> already running' $2 >>$RTS2_LOG
	else
		log_failure_msg "Cannot start $2"
		echo `date +'%Y-%m-%dT%H:%M:%S %Z'` '===>>> failed' $2 >>$RTS2_LOG
		failed="$failed $2"
	fi
}

rts2_stop_log_end_msg()
{
	if [ $1 == 0 ]; then
		log_success_msg "Stopping RTS2 $2"
		echo `date +'%Y-%m-%dT%H:%M:%S %Z'` '===>>> ok' $2 >>$RTS2_LOG
	elif [ $1 == 1 ]; then
		log_warning_msg "RTS2 $2 already stopped"
		echo `date +'%Y-%m-%dT%H:%M:%S %Z'` '===>>> already stopped' $2 >>$RTS2_LOG
	else
		log_failure_msg "Cannot stop $2"
		echo `date +'%Y-%m-%dT%H:%M:%S %Z'` '===>>> failed' $2 >>$RTS2_LOG
		failed="$failed $2"
	fi
}

rts2_start()
{
	rts2_log_daemon_msg "Starting RTS2"
	grep '^centrald' $CENTRALD_FILE | while read centrald centrald_port centrald_options; do
		if [ "x${centrald_port}" == "x" ]; then
			centrald_port=@CENTRALD_PORT@
		else
			centrald_options="--local-port $centrald_port $centrald_options"
		fi
		case $system in
			debian)
				start-stop-daemon --start --pidfile ${RTS2_PID_PREFIX}centrald_${centrald_port} --exec $RTS2_BIN_PREFIX/rts2-centrald -- $centrald_options >>$RTS2_LOG 2>&1
				rts2_start_log_end_msg $? "rts2-centrald $centrald_options" "centrald daemon on port $centrald_port"
				;;
			gentoo)
				busybox start-stop-daemon --start --pidfile ${RTS2_PID_PREFIX}centrald_${centrald_port} --exec $RTS2_BIN_PREFIX/rts2-centrald -- $centrald_options >>$RTS2_LOG 2>&1
				rts2_start_log_end_msg $? "rts2-centrald $centrald_options" "centrald daemon on port $centrald_port"
				;;
			redhat|suse|slackware|cygwin)
				daemon $RTS2_BIN_PREFIX/rts2-centrald $centrald_options >>$RTS2_LOG 2>&1
				rts2_start_log_end_msg $? "rts2-centrald $centrald_options" "centrald daemon on port $centrald_port"
				;;
		esac
	done
	CENTRALD_OPTIONS=`grep '^-' $CENTRALD_FILE 2>/dev/null`
	while read device type device_name options; do
		case $system in
			debian)
				# some devices do not like to have device name on command line
				if [ "x$device_name" == "x-" ]; then
					start-stop-daemon --start --pidfile ${RTS2_PID_PREFIX}${device_name} --exec $RTS2_BIN_PREFIX/rts2-$device-$type -- $options $CENTRALD_OPTIONS >>$RTS2_LOG 2>&1 
				else
					start-stop-daemon --start --pidfile ${RTS2_PID_PREFIX}${device_name} --exec $RTS2_BIN_PREFIX/rts2-$device-$type -- $options $CENTRALD_OPTIONS -d $device_name >>$RTS2_LOG 2>&1
				fi 
				rts2_start_log_end_msg $? $device_name "$device_name"
				;;
			gentoo)
				# some devices do not like to have device name on command line
				if [ "x$device_name" == "x-" ]; then
					busybox start-stop-daemon --start --pidfile ${RTS2_PID_PREFIX}${device_name} --exec $RTS2_BIN_PREFIX/rts2-$device-$type -- $options $CENTRALD_OPTIONS >>$RTS2_LOG 2>&1 
				else
					busybox start-stop-daemon --start --pidfile ${RTS2_PID_PREFIX}${device_name} --exec $RTS2_BIN_PREFIX/rts2-$device-$type -- $options $CENTRALD_OPTIONS -d $device_name >>$RTS2_LOG 2>&1
				fi 
				rts2_start_log_end_msg $? $device_name "$device_name"
				;;
			redhat|suse|slackware|cygwin)
				if [ "x$device_name" == "x-" ]; then
					daemon $RTS2_BIN_PREFIX/rts2-$device-$type $options $CENTRALD_OPTIONS >>$RTS2_LOG 2>&1
				else
					daemon $RTS2_BIN_PREFIX/rts2-$device-$type $options $CENTRALD_OPTIONS -d $device_name >>$RTS2_LOG 2>&1
				fi
				rts2_start_log_end_msg $? $device_name "$device_name"
				wait_pid ${RTS2_PID_PREFIX}${device_name} $? $device_name
				;;
		esac
	done < <(cat $DEVICE_CONFIG | sed -e 's/#.*$//' | egrep -v '^\s*$')
	while read service service_name options; do
		case $system in
			debian)
				start-stop-daemon --start --pidfile ${RTS2_PID_PREFIX}${service_name} --exec $RTS2_BIN_PREFIX/rts2-$service -- $options $CENTRALD_OPTIONS -d $service_name >>$RTS2_LOG 2>&1
				rts2_start_log_end_msg $? $service_name "$service_name"
				;;
			gentoo)
				busybox start-stop-daemon --start --pidfile ${RTS2_PID_PREFIX}${service_name} --exec $RTS2_BIN_PREFIX/rts2-$service -- $options $CENTRALD_OPTIONS -d $service_name >>$RTS2_LOG 2>&1
				rts2_start_log_end_msg $? $service_name "$service_name"
				;;
			redhat|suse|slackware|cygwin)
				daemon $RTS2_BIN_PREFIX/rts2-$service $options $CENTRALD_OPTIONS -d $service_name >>$RTS2_LOG 2>&1
				rts2_start_log_end_msg $? $service_name "$service_name"
				wait_pid ${RTS2_PID_PREFIX}${service_name} $? $service_name
				;;
		esac
	done < <(cat $SERVICE_CONFIG | sed -e 's/#.*$//' | egrep -v '^\s*$')
	if [ "x$failed" = "x" ]; then
		log_daemon_msg "RTS2 start"
		log_end_msg 0
	else
		log_failure_msg "Failed to start $failed"
		log_daemon_msg "RTS2 start"
		log_end_msg 1
	fi
}

rts2_stop_devices()
{
	while read device type device_name options; do
		case $system in
			debian)
				if [ -e ${RTS2_PID_PREFIX}${device_name} ]; then
					start-stop-daemon --stop --pidfile ${RTS2_PID_PREFIX}${device_name} >>$RTS2_LOG 2>&1
					rts2_stop_log_end_msg $? $device_name
				fi
				;;
			gentoo)
				if [ -e ${RTS2_PID_PREFIX}${device_name} ]; then
					busybox start-stop-daemon --stop --pidfile ${RTS2_PID_PREFIX}${device_name} >>$RTS2_LOG 2>&1
					rts2_stop_log_end_msg $? $device_name
				fi
				;;
			redhat|suse|slackware|cygwin)
				if [ -e ${RTS2_PID_PREFIX}${device_name} ]; then
					killproc `head -n 1 ${RTS2_PID_PREFIX}${device_name}` >>$RTS2_LOG 2>&1
					rts2_stop_log_end_msg $? $device_name
					rm -f ${RTS2_PID_PREFIX}${device_name}
				fi
				;;
		esac
	done < <(cat $DEVICE_CONFIG | sed -e 's/#.*$//' | egrep -v '^\s*$')
}

rts2_stop_services()
{
	while read service service_name options; do
		case $system in
			debian)
				if [ -e ${RTS2_PID_PREFIX}$service_name ]; then
					start-stop-daemon --stop --pidfile ${RTS2_PID_PREFIX}${service_name} >>$RTS2_LOG 2>&1
					rts2_stop_log_end_msg $? $service_name
				fi
				;;
			gentoo)
				if [ -e ${RTS2_PID_PREFIX}$service_name ]; then
					busybox start-stop-daemon --stop --pidfile ${RTS2_PID_PREFIX}${service_name} >>$RTS2_LOG 2>&1
					rts2_stop_log_end_msg $? $service_name
				fi
				;;
			redhat|suse|slackware|cygwin)
				if [ -s ${RTS2_PID_PREFIX}$service_name ]; then
					killproc `head -n 1 ${RTS2_PID_PREFIX}$service_name` >>$RTS2_LOG 2>&1
					rts2_stop_log_end_msg $? $service_name
					rm -f ${RTS2_PID_PREFIX}$service_name
				fi
				;;
		esac
	done < <(cat $SERVICE_CONFIG | sed -e 's/#.*$//' | egrep -v '^\s*$')
}

rts2_stop()
{
	rts2_log_daemon_msg "Stopping RTS2"
	rts2_stop_services
	rts2_stop_devices
	if grep '^centrald' $CENTRALD_FILE 2>&1 > /dev/null; then
		for cf in ${RTS2_PID_PREFIX}centrald_*; do
		  	case $system in
				debian)
					start-stop-daemon --stop --pidfile $cf >>$RTS2_LOG 2>&1
					rts2_stop_log_end_msg $? rts2-centrald
					;;
				gentoo)
					busybox start-stop-daemon --stop --pidfile $cf >>$RTS2_LOG 2>&1
					rts2_stop_log_end_msg $? rts2-centrald
					;;
				redhat|suse|slackware|cygwin)
					if [ -s $cf ]; then
						killproc `head -n 1 $cf` >>$RTS2_LOG 2>&1
						rts2_stop_log_end_msg $? rts2-centrald
						rm -f $cf
					fi
					;;
			esac
		done
	fi
	if [ -z $failed ]; then
		log_daemon_msg "RTS2 stopped"
		log_end_msg 0
	else
		log_failure_msg "Failed to stop $failed"
		log_daemon_msg "RTS2 stopped"
		log_end_msg 1
	fi
}

rts2_reload()
{
	if grep '^centrald' $CENTRALD_FILE 2>&1 > /dev/null; then
		for cf in ${RTS2_PID_PREFIX}centrald_*; do
			pid=`cat $cf`
			case $system in
				gentoo|debian|redhat|suse|slackware|cygwin)
					rts2_log_daemon_msg "Reloading centrald daemon (PID $cf)" "rts2-centrald"
				  	kill -1 `cat $cf` >>$RTS2_LOG 2>&1
					rts2_start_log_end_msg $? rts2-centrald
					;;
			esac
		done
	fi
	while read device type device_name options; do
		if [ -f ${RTS2_PID_PREFIX}${device_name} ]; then
		  	case $system in
				gentoo|debian|redhat|suse|slackware|cygwin)
					rts2_log_daemon_msg "Reloading $device_name" "rts2-$device-$type"
					kill -1 `cat ${RTS2_PID_PREFIX}${device_name}` >>$RTS2_LOG 2>&1
					rts2_start_log_end_msg $? $device_name
					;;
			esac
		fi
	done < <(cat $DEVICE_CONFIG | sed -e 's/#.*$//' | egrep -v '^\s*$')
	while read service service_name options; do
		if [ -f ${RTS2_PID_PREFIX}${service_name} ]; then
		  	case $system in
				gentoo|debian|redhat|suse|slackware|cygwin)
					rts2_log_daemon_msg "Reloading $service_name" "rts2-$service"
					kill -1 `cat ${RTS2_PID_PREFIX}${service_name}` >>$RTS2_LOG 2>&1
					rts2_start_log_end_msg $? $service_name
					;;
			esac
		fi
	done < <(cat $SERVICE_CONFIG | sed -e 's/#.*$//' | egrep -v '^\s*$')
}

case "$1" in
	start)
		rts2_start
		;;
	stop)
		rts2_stop
		;;
	stop-devices)
		rts2_stop_devices
		;;
	stop-services)
		rts2_stop_services
		;;
	restart)
		rts2_stop
		rts2_start
		;;
	reload)
		rts2_reload
		;;
	*)
		echo "Usage /etc/init.d/rts2 (start|stop|stop-devices|stop-services|restart|reload)"
		exit 1
		;;
esac

case $system in
	debian)
		exit 0
		;;
	gentoo|redhat|suse|slackware|cygwin)
		exit $failedc 
		;;
esac