Ticket #704: gsmd.2

#!/bin/sh
#
# gsmd  This shell script starts and stops gsmd.
#
# chkconfig: 345 90 40
# description: Gsmd manages access to a serial- or USB-connected GSM
# processname: gsmd

# If you must specify special options, uncomment and modify the next line
GSMD_OPTS="-s 115200 -F"
# If your GSM device needs to be powered up, uncommend and modify the next line
GSM_POW="/sys/bus/platform/devices/gta01-pm-gsm.0/power_on"
GSM_DEV="/dev/ttySAC0"
GSMD_BIN="/usr/sbin/gsmd"

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

RETVAL=0
prog="gsmd"

start() {
        # Power on GSM device
        if [ -e "${GSM_POW}" ]
        then
                POW_STATE=`cat ${GSM_POW}`
                if [ ${POW_STATE} -eq 1 ]
                        then
                                echo "GSM device already on..."
                        else    
                                echo -n "Powering up GSM device..."
                                echo "1" > ${GSM_POW}
                                echo "done"
                fi
        else
                echo "GSM device not found. Aborting startup"
                return false
        fi
        # Start daemons.
        echo -n "Starting $prog: "
        if [ -e "${GSM_DEV}" ]
        then
                chown uucp.uucp ${GSM_DEV}
                mkdir -p /usr/spool/uucp
                chown uucp.uucp /usr/spool/uucp
                stty -F /dev/ttySAC0 crtscts
                gsmd -p ${GSM_DEV} ${GSMD_OPTS} >/tmp/gsm.log 2>&1 &
                $GSMD_PID=`pidof ${GSM_BIN}`
                if [ ${GSM_PID} -gt 0 ]
                        then
                                echo "success"
                        else
                                echo "Failure"
                                return false
                fi
        else
            # User needs to symlink ${GSM_DEV} to the right thing
            echo "No ${GSM_DEV} device, aborting gsmd startup."
        fi
        RETVAL=$?
        echo
        [ $RETVAL -eq 0 ] && cat ${GSM_PID} > /var/lock/subsys/gsmd
        return $RETVAL
}

stop() {
        # Stop daemons.
        echo -n "Shutting down $prog: "
        if [ -e /var/lock/subsys/gsmd ]
                then
                        GSMD_PID=`cat /var/lock/subsys/gsmd`
                        if [ ${GSMD_PID} -gt 0 ]        
                                then
                                        kill ${GSMD_PID}
                        fi      
                else 
                        echo "No Lock file present..."
                        $GSMD_PID=`pidof ${GSM_BIN}`
                        kill ${GSMD_PID}
        fi
        RETVAL=$?
        echo
        if [ $RETVAL -eq 0 ]
        then
                if [ -e /var/lock/subsys/gsmd ]
                        then
                                rm -f /var/lock/subsys/gsmd
                fi
        
                if [ -e "${GSM_POW}" ]
                        then
                                echo -n "Powering down GSM device..."
                                echo "0" > ${GSM_POW}
                                sleep 1
                                echo "done"
                fi
        fi
        return $RETVAL
}

# See how we were called.
case "$1" in
  start)
        start
        ;;
  stop)
        stop
        ;;
  restart|reload)
        stop
        start
        RETVAL=$?
        ;;
  condrestart)
        if [ -f /var/lock/subsys/gsmd ]; then
            stop
            start
            RETVAL=$?
        fi
        ;;
  status)
#       status gsmd
#       RETVAL=$?
        ;;
  *)
        echo "Usage: $0 {start|stop|restart|condrestart|status}"
        exit 1
esac

exit $RETVAL