developer.intra2net.com Git - bpdyndnsd/blob - scripts/bpdyndnsd

   1 #! /bin/sh
   2 #
   3 # bpdyndnsd
   4 #
   5 # chkconfig: 35 80 20
   6 # description: Bullet proof dynamic DNS update daemon.
   7 # processname: bpdyndnsd
   8 # config: /etc/bpdyndnsd/bpdyndnsd.conf
   9 # pidfile: /var/run/bpdyndnsd.pid
  10
  11 # Source function library.
  12 . /etc/rc.d/init.d/functions
  13
  14 # Configuration
  15 . /etc/sysconfig/bpdyndnsd
  16
  17 # Prog name
  18 progname="bpdyndnsd (dynamic DNS update daemon)"
  19 # User and group
  20 user=bpdyndnsd
  21 group=bpdyndnsd
  22 # Binary file
  23 prog=/usr/bin/bpdyndnsd
  24 # PID file
  25 pidfile=/var/run/bpdyndnsd.pid
  26
  27 test -x ${prog} || exit 0
  28 test -e /etc/bpdyndnsd/bpdyndnsd.conf || exit 0
  29
  30 ##
  31 ## tool functions:
  32 ##
  33
  34 is_running() {
  35     [ -f ${path_pidfile} ] || return 1
  36     pid_from_file=`head -n1 ${path_pidfile}`
  37     [ -L /proc/${pid_from_file}/exe ] || return 1
  38     [ "`readlink /proc/${pid_from_file}/exe`" = "${path_prg}" ]
  39 }
  40 # eo is_running
  41
  42
  43 ##
  44 ## the functions:
  45 ##
  46
  47 start() {
  48     [ -f /var/lock/subsys/bpdyndnsd ] && stop
  49
  50     if [ $START_BPDYNDNSD -eq 1 ]; then
  51         # Check if this is really bpdyndnsd's pid file
  52         if [ -f $pidfile ]; then
  53             if ! grep -s -q "bpdyndnsd" /proc/`cat $pidfile`/cmdline; then
  54             echo "Unlinking non-bpdyndnsd pid file"
  55             rm -f $pidfile
  56             fi
  57         fi
  58
  59         echo -n "Starting $progname: "
  60         $prog --daemon_mode 1 --syslog 1;
  61         RETVAL=$?
  62         [ $RETVAL -eq 0 ] && success || failure
  63         echo
  64         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/bpdyndnsd
  65     fi
  66 }
  67
  68 stop() {
  69     if [ ! -f /var/lock/subsys/bpdyndnsd ]; then
  70         return 0
  71     fi
  72
  73     echo -n "Stopping $progname: "
  74     killproc bpdyndnsd
  75     RETVAL=$?
  76     [ $RETVAL -eq 0 ] && success || failure
  77     echo
  78     [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/bpdyndnsd
  79 }
  80
  81 reload() {
  82     echo -n "Reloading $progname: "
  83     killproc bpdyndnsd -HUP
  84     RETVAL=$?
  85     [ $RETVAL -eq 0 ] && success || failure
  86     echo
  87 }
  88
  89 restart() {
  90     stop
  91     start
  92 }
  93
  94
  95 ##
  96 ## determine what we should do:
  97 ##
  98 case "$1" in
  99     start)
 100         start
 101         ;;
 102     stop)
 103         stop
 104         ;;
 105     status)
 106         status $prog
 107         RETVAL=$?
 108         ;;
 109     restart)
 110         restart
 111         ;;
 112     reload)
 113         reload
 114         ;;
 115     condrestart)
 116         [ -f /var/lock/subsys/bpdyndnsd ] && restart || :
 117         ;;
 118     *)
 119         echo "Usage: bpdyndnsd {start|stop|status|restart|reload|condrestart}"
 120         RETVAL=1
 121 esac
 122
 123 exit $RETVAL