Logo Search packages:      
Sourcecode: zemberek-server version File versions

init.d

#!/bin/sh 
#
# Example init.d script with LSB support.
#
# Please read this init.d carefully and modify the sections to
# adjust it to the program you want to run.
#
# Copyright (c) 2007 Javier Fernandez-Sanguino <jfs@debian.org>
#
# This is free software; you may redistribute it and/or modify
# it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2,
# or (at your option) any later version.
#
# This is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License with
# the Debian operating system, in /usr/share/common-licenses/GPL;  if
# not, write to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307 USA
#
### BEGIN INIT INFO
# Provides:          zemberek-server
# Required-Start:    $network $local_fs
# Required-Stop:     
# Should-Start:      
# Should-Stop:       
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Turkish spellcheck server
# Description:       Zemberek is an open source, platform independent, general purpose Natural
#                    Language Processing library and toolset designed for Turkic languages,
#                    especially Turkish.
### END INIT INFO

set -e

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

DAEMON=/usr/sbin/zemberek-server
NAME=zemberek-server
DESC="Zemberek spellcheck server"

PIDFILE=/var/run/$NAME.pid 
DIETIME=3

test -x $DAEMON || exit 0

. /lib/lsb/init-functions

# Default options, these can be overriden by the information
# at /etc/default/$NAME
DAEMON_OPTS=""          # Additional options given to the server 

DODTIME=10              # Time to wait for the server to die, in seconds
                        # If this value is set too low you might not
                        # let some servers to die gracefully and
                        # 'restart' will not work
                        
DAEMONUSER=zemberek

set -e

obtain_daemon_id() {
      local ident
      ident=$(getent passwd | grep "^$DAEMONUSER")
      [ "$ident" ] || return 1

      local ifs
      ifs="$IFS"
      IFS=':'
      set -- $ident
      IFS="$ifs"

      DAEMONUID="$3"
      DAEMONGID="$4"
}

running_pid() {
# Check if a given process pid's cmdline matches a given name
      pid=$1
      name=$2
      [ -z "$pid" ] && return 1
      [ ! -d /proc/$pid ] &&  return 1
      cmd=$(tr "\000" "\n" </proc/$pid/cmdline | head -n 1 | cut -d : -f 1)
      # Is this the expected server
      [ "$cmd" != "$name" ] &&  return 1
      return 0
}

running() {
# Check if the process is running looking at /proc
# (works for all users)

      # No pidfile, probably no daemon present
      [ ! -f "$PIDFILE" ] && return 1
      pid=$(cat $PIDFILE)
      running_pid $pid $NAME || return 1
      return 0
}

start_server() {
      start-stop-daemon --start --background --quiet --pidfile $PIDFILE \
            --chuid $DAEMONUSER --make-pidfile --exec $DAEMON -- $DAEMON_OPTS
      errcode=$?
      return $errcode
}

stop_server() {
      start-stop-daemon --stop --quiet --pidfile $PIDFILE \
            --user $DAEMONUSER --oknodo
      errcode=$?
      return $errcode
}

force_stop() {
# Force the process to die killing it manually
      [ ! -e "$PIDFILE" ] && return
      if running; then
            kill -15 $pid
            # Is it really dead?
            sleep "$DIETIME"
            if running; then
                  kill -9 $pid
                  sleep "$DIETIME"
                  if running; then
                        log_failure_msg "Cannot kill $NAME (pid=$pid)!"
                        exit 1
                  fi
            fi
      fi
      rm -f $PIDFILE
}

# Include defaults if available
if [ -f /etc/default/$NAME ] ; then
      . /etc/default/$NAME
fi

# Does the user exist?
if [ -n "$DAEMONUSER" ] ; then
      obtain_daemon_id || {
            log_failure_msg "The user $DAEMONUSER, required to run $NAME does not exist."
            exit 1
      }
fi

case "$1" in
  start)
      log_daemon_msg "Starting $DESC " "$NAME"
      if running ;  then
            log_progress_msg "apparently already running"
            log_end_msg 0
            exit 0
      fi
      if start_server && sleep "$DIETIME" && running ;  then
            log_end_msg 0
      else
            log_end_msg 1
      fi
      ;;
  stop)
      log_daemon_msg "Stopping $DESC" "$NAME"
      if running ; then
            stop_server
            log_end_msg $?
      else
            log_progress_msg "apparently not running"
            log_end_msg 0
            exit 0
      fi
        ;;
  force-stop)
        # First try to stop gracefully the program
      $0 stop
      if running; then
            # If it's still running try to kill it more forcefully
            log_daemon_msg "Stopping (force) $DESC" "$NAME"
            force_stop
            log_end_msg $?
      fi
      ;;
  restart|force-reload)
        log_daemon_msg "Restarting $DESC" "$NAME"
        stop_server
        # Wait some sensible amount, some server need this
        [ -n "$DIETIME" ] && sleep $DIETIME
        start_server
      sleep "$DIETIME"
        running
        log_end_msg $?
      ;;
  status)
      log_daemon_msg "Checking status of $DESC" "$NAME"
      if running ;  then
            log_progress_msg "running"
            log_end_msg 0
      else
            log_progress_msg "apparently not running"
            log_end_msg 1
            exit 1
      fi
        ;;
  # Use this if the daemon cannot reload
  reload)
        log_warning_msg "Reloading $NAME daemon: not implemented, as the daemon"
        log_warning_msg "cannot re-read the config file (use restart)."
        ;;
  *)
      N=/etc/init.d/$NAME
      echo "Usage: $N {start|stop|force-stop|restart|force-reload|status}" >&2
      exit 1
      ;;
esac

exit 0

Generated by  Doxygen 1.6.0   Back to index