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 start() {
  34         if [ ! -f /var/lock/subsys/dhcp-relay ]; then
  35                 msg_starting "DHCP relay"
  36                 daemon /sbin/dhcrelay $OPTIONS $DHCP_SERVERS_IP
  37                 RETVAL=$?
  38                 [ $RETVAL -eq 0 ] && touch /var/lock/subsys/dhcp-relay
  39         else
  40                 msg_already_running "DHCP relay"
  41         fi
  42 }
  43
  44 stop() {
  45         if [ -f /var/lock/subsys/dhcp-relay ]; then
  46                 msg_stopping "DHCP relay"
  47                 killproc dhcrelay
  48                 rm -f /var/lock/subsys/dhcp-relay
  49         else
  50                 msg_not_running "DHCP relay"
  51         fi
  52 }
  53
  54 condrestart() {
  55         if [ -f /var/lock/subsys/dhcp-relay ]; then
  56                 stop
  57                 start
  58         else
  59                 msg_not_running "DHCP relay"
  60                 RETVAL=$1
  61         fi
  62 }
  63
  64 RETVAL=0
  65 # See how we were called.
  66 case "$1" in
  67   start)
  68         start
  69         ;;
  70   stop)
  71         stop
  72         ;;
  73   restart)
  74         stop
  75         start
  76         ;;
  77   try-restart)
  78         condrestart 0
  79         ;;
  80   force-reload)
  81         condrestart 7
  82         ;;
  83   status)
  84         status dhcrelay
  85         exit $?
  86         ;;
  87   *)
  88         msg_usage "$0 {start|stop|restart|try-restart|force-reload|status}"
  89         exit 3
  90 esac
  91
  92 exit $RETVAL