cyclades-serial-client

#!/usr/bin/env sh
# chkconfig: 235 55 45
# description:
# description: cyclades-serial-client script controls the interfaces of \
#              the physical ports of Cyclades Terminal Servers

BASE=/etc
DEVS=${BASE}/cyclades-devices
BACKVARS=${BASE}/backvars$$
FOUND=0
BACKEXIT=0
DEV=all
GLOBALOPTS=""

export DEV DEVS FOUND BACKEXIT BACKVARS PATH

clean()
{
	if [ -f ${BACKVARS} ]; then
		rm -f ${BACKVARS}
	fi
}

if [ $# -lt 1 -o $# -gt 2 ]; then
	echo "Usage : cyclades-serial-client (start|stop|restart|status) [device]"
	exit 2
fi

OPTION=$1
if [ $# -eq 2 ]; then
	DEV=$2
fi
case $OPTION in
	start_msg)
		echo "Starting Cyclades Terminal Servers Interface"
		exit 0
		;;
	stop_msg)
		echo "Stopping Cyclades Terminal Servers Interface"
		exit 0
		;;
esac

if [ ! -f ${DEVS} ]; then
	echo "cyclades-serial-client : device table not found"
	exit 1
fi

clean

trap 'clean' 1 2 3 15

cat ${DEVS} | grep -v "#" | while read line; do
	if [ -z "${line}" ]; then
		continue
	fi
	devc=$(echo ${line} | cut -f1 -d:)
	serv=$(echo ${line} | cut -f2 -d:)
	host=$(echo ${line} | cut -f3 -d:)
	port=$(echo ${line} | cut -f4 -d:)
	type=$(echo ${line} | cut -f5 -d:)
	opts=$(echo ${line} | cut -f6 -d:)
	opts="$GLOBALOPTS $opts"

	if [ -z "${devc}" -o -z "${serv}" -o -z "${host}" -o -z "${port}" ]; then
		echo "cyclades-serial-client : Bad device table line"
		BACKEXIT=3
		echo "BACKEXIT=${BACKEXIT}" >> ${BACKVARS}
		exit ${BACKEXIT}
	fi

	if [ "${DEV}" != "all" ]; then
		if [ "${DEV}" != "${devc}" ]; then
			continue
		else
			FOUND=1
			echo "FOUND=${FOUND}" >> ${BACKVARS}
		fi
	fi

	case ${type} in
		rtelnet)
			devst="${devc} (rtelnet at ${host}:${port})"
			if [ "${serv}" = "path" ]; then
				opts="-p 28672 $opts"
			fi
			;;
		socket)
			devst="${devc} ( socket at ${host}:${port})"
			if [ "${serv}" = "path" ]; then
				opts="-p 32768 $opts"
			fi
			opts="-s $opts"
			;;
		rfc2217)
			devst="${devc} (rfc2217 at ${host}:${port})"
			case ${serv} in
				opengear | cm400? | cm41??)
					opts="-p 5000 $opts"
					;;
			esac
			;;
		*)
			echo "tsrport : Bad device table line"
			BACKEXIT=2
			echo "BACKEXIT=${BACKEXIT}" >> ${BACKVARS}
			exit ${BACKEXIT}
			;;
	esac

	if [ $(uname) = "Linux" ]; then
		ppid=$(ps ax | grep cyclades-ser-cli | grep "${devc} " | awk '{print $1}')
	else
		ppid=$(ps -ef | grep cyclades-ser-cli | grep "${devc} " | awk '{print $2}')
	fi

	case ${OPTION} in
		"start")
			if [ -n "${ppid}" ]; then
				echo "cyclades-serial-client : ${devc} already active"
				continue
			fi
			echo "Starting ${devc} <<==>> ${host}:${port} interface"
			cyclades-ser-cli ${opts} ${devc} ${host} ${port}
			sleep 1
			;;
		"stop")
			if [ -z "${ppid}" ]; then
				echo "cyclades-serial-client : ${devc} already inactive"
				continue
			fi
			echo "Stopping ${devc} <<==>> ${host}:${port} interface"
			kill ${ppid}
			;;
		"restart")
			if [ -z "${ppid}" ]; then
				echo "cyclades-serial-client : ${devc} is inactive"
				echo "Starting ${devc} <<==>> ${host}:${port} interface"
				cyclades-ser-cli ${opts} ${devc} ${host} ${port}
				sleep 1
			else
				echo \
					"Restarting ${devc} <<==>> ${host}:${port} interface"
				kill -s USR1 ${ppid}
			fi
			;;
		"status")
			if [ -n "${ppid}" ]; then
				devst="${devst} active, pid ${ppid}"
			else
				devst="${devst} inactive"
			fi
			echo ${devst}
			;;
		*)
			echo "Usage : cyclades-serial-client (start|stop|restart|status) [device]"
			BACKEXIT=2
			echo "BACKEXIT=${BACKEXIT}" >> ${BACKVARS}
			exit ${BACKEXIT}
			;;
	esac
done
if [ -s ${BACKVARS} ]; then
	. ${BACKVARS}
fi

clean

if [ ${BACKEXIT} -ne 0 ]; then
	exit ${BACKEXIT}
fi

if [ "${DEV}" != "all" -a $FOUND -eq 0 ]; then
	echo "cyclades-serial-client : device ${DEV} does not exist"
	exit 3
fi
exit 0