examples/ggsn.init

   1 #!/bin/sh
   2 #
   3 # ggsn          This shell script takes care of starting and stopping
   4 #               ggsn.
   5 #
   6 # chkconfig: - 65 35
   7 # description: ggsn is a Gateway GPRS Support Node.
   8
   9 # Source function library.
  10 . /etc/rc.d/init.d/functions
  11
  12 # Source networking configuration.
  13 . /etc/sysconfig/network
  14
  15 if [ -f /etc/sysconfig/ggsn ]; then
  16         . /etc/sysconfig/ggsn
  17 fi
  18
  19 # Check that networking is up.
  20 [ ${NETWORKING} = "no" ] && exit 0
  21
  22 [ -f /usr/bin/ggsn ] || exit 0
  23 [ -f /etc/ggsn.conf ] || exit 0
  24
  25 RETVAL=0
  26 prog="ggsn"
  27
  28 start() {
  29         # Start daemons.
  30         echo -n $"Starting $prog: "
  31
  32         # Load tun module
  33         /sbin/modprobe tun >/dev/null 2>&1
  34
  35         # Enable routing of packets: WARNING!!!
  36         # Users should enable this explicitly
  37         # echo 1 > /proc/sys/net/ipv4/ip_forward
  38
  39         # Check for runtime directory of nonvolatile data
  40         if [ ! -d  /var/lib/ggsn ]; then
  41           mkdir /var/lib/ggsn
  42         fi
  43
  44         # Check for GTP restart counter
  45         if [ ! -d  /var/lib/ggsn/gsn_restart ]; then
  46           echo 0 > /var/lib/ggsn/gsn_restart
  47         fi
  48
  49
  50         daemon /usr/bin/ggsn
  51         RETVAL=$?
  52         echo
  53         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/ggsn
  54         return $RETVAL
  55 }
  56
  57 stop() {
  58         # Stop daemons.
  59         echo -n $"Shutting down $prog: "
  60         killproc ggsn
  61         RETVAL=$?
  62         echo
  63         [ $RETVAL = 0 ] && rm -f /var/lock/subsys/ggsn /var/run/ggsn.pid
  64         return $RETVAL
  65 }
  66
  67 # See how we were called.
  68 case "$1" in
  69   start)
  70         start
  71         ;;
  72   stop)
  73         stop
  74         ;;
  75   restart|reload)
  76         stop
  77         start
  78         RETVAL=$?
  79         ;;
  80   condrestart)
  81         if [ -f /var/lock/subsys/ggsn ] ; then
  82             stop
  83             start
  84             RETVAL=$?
  85         fi
  86         ;;
  87   status)
  88         status ggsn
  89         RETVAL=$?
  90         ;;
  91   *)
  92         echo $"Usage: $0 {start|stop|restart|condrestart|status}"
  93         exit 1
  94 esac
  95
  96 exit $RETVAL
  97