dhcp-relay.init

   1 #!/bin/sh
   2 # DHCP relay agent
   3 #
   4 # chkconfig:    345 80 20
   5 # description:  DHCP relay agent
   6
   7 # Source function library.
   8 . /etc/rc.d/init.d/functions
   9
  10 # Source networking configuration.
  11 . /etc/sysconfig/network
  12
  13 # Demon specified configuration.
  14 OPTIONS=""
  15 . /etc/sysconfig/dhcp-relay
  16
  17 # Check that networking is up.
  18 if is_yes "${NETWORKING}"; then
  19         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
  20                 msg_network_down "DHCP realay"
  21                 exit 1
  22         fi
  23 else
  24         exit 0
  25 fi
  26
  27 if [ -n "DHCP_RELAY_INTERFACES" ]; then
  28         for iface in $DHCP_RELAY_INTERFACES ; do
  29                 OPTIONS="$OPTIONS -i $iface"
  30         done
  31 fi
  32
  33 RETVAL=0
  34 # See how we were called.
  35 case "$1" in
  36   start)
  37         # Check if the service is already running?
  38         if [ ! -f /var/lock/subsys/dhcp-relay ]; then
  39                 msg_starting "DHCP relay"
  40                 daemon dhcrelay $OPTIONS $DHCP_SERVERS_IP
  41                 RETVAL=$?
  42                 [ $RETVAL -eq 0 ] && touch /var/lock/subsys/dhcp-relay
  43         else
  44                 msg_already_running "DHCP relay"
  45         fi
  46         ;;
  47   stop)
  48         if [ -f /var/lock/subsys/dhcp-relay ]; then
  49                 msg_stopping "DHCP relay"
  50                 killproc dhcrelay
  51                 rm -f /var/lock/subsys/dhcp-relay
  52         else
  53                 msg_not_running "DHCP relay"
  54         fi
  55         ;;
  56   restart|force-reload)
  57         $0 stop
  58         $0 start
  59         exit $?
  60         ;;
  61   status)
  62         status dhcrelay
  63         exit $?
  64         ;;
  65   *)
  66         msg_usage "$0 {start|stop|restart|force-reload|status}"
  67         exit 3
  68 esac
  69
  70 exit $RETVAL