#!/bin/sh
#
### BEGIN INIT INFO
# Provides:          ndo2db
# Required-Start:    mysqld nagios
# Required-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Nagios NDO2DB Initscript
# Description:       Nagios Data Out Daemon
### END INIT INFO

# chkconfig: 2345 99 01
#
# File : ndo2db
#
# Author : Jorge Sanchez Aymar (jsanchez@lanchile.cl)
#
# Changelog :
#
# 1999-07-09 Karl DeBisschop <kdebisschop@infoplease.com>
#  - setup for autoconf
#  - add reload function
# 1999-08-06 Ethan Galstad <egalstad@nagios.org>
#  - Added configuration info for use with RedHat's chkconfig tool
#    per Fran Boon's suggestion
# 1999-08-13 Jim Popovitch <jimpop@rocketship.com>
#  - added variable for nagios/var directory
#  - cd into nagios/var directory before creating tmp files on startup
# 1999-08-16 Ethan Galstad <egalstad@nagios.org>
#  - Added test for rc.d directory as suggested by Karl DeBisschop
# 2000-07-23 Karl DeBisschop <kdebisschop@users.sourceforge.net>
#  - Clean out redhat macros and other dependencies
# 2003-01-11 Ethan Galstad <egalstad@nagios.org>
#  - Updated su syntax (Gary Miller)
# 2009-07-11 Hendrik Bker <andurin@process-zero.de>
#  - Rewrite ndo2db init script, inspired by Sascha Runschke
# 2012-10-11 Check for sock-file before start (unexpected shutdowns) by Stefan Rueetschli
#

status_ndo2db ()
{

        pid_ndo2db

        if ps -p $Ndo2dbPID > /dev/null 2>&1; then
                # ndo2db is already running...
                return 0
        else
                if test -S $Ndo2dbSockFile; then
                        # ndo2db is not running but a socket file exists
                        return 2
                else
                        # ndo2db is not running
                        return 1
                fi
        fi

        return 1
}

printstatus_ndo2db()
{
        if status_ndo2db $1 $2; then
                echo "$servicename (pid $Ndo2dbPID) is running..."
        elif test $? == 2; then
                echo "$servicename is not running but subsystem locked"
        else
                echo "$servicename is not running"
        fi
}


killproc_ndo2db ()
{

        kill $2 $Ndo2dbPID

}


pid_ndo2db ()
{

        if test ! -f $Ndo2dbRunFile; then
                return 1
        fi
        Ndo2dbPID=`head -n 1 $Ndo2dbRunFile`
        return 0
}


# Source function library
# Solaris doesn't have an rc.d directory, so do a test first
if [ -f /etc/rc.d/init.d/functions ]; then
        . /etc/rc.d/init.d/functions
elif [ -f /etc/init.d/functions ]; then
        . /etc/init.d/functions
fi

servicename=ndo2db
#prefix=/usr
#exec_prefix=/usr
Ndo2dbBin=/usr/local/nagios/bin/ndo2db-3x
Ndo2dbCfgFile=/usr/local/nagios/etc/ndo2db.cfg
Ndo2dbVarDir=/usr/local/nagios/var
Ndo2dbRunFile=$Ndo2dbVarDir/ndo2db.pid
Ndo2dbLockDir=/var/lock/subsys
Ndo2dbLockFile=ndo2db
Ndo2dbSockFile=$Ndo2dbVarDir/ndo2db.sock
Ndo2dbUser=nagios
Ndo2dbGroup=nagios

# Check that ndo2db exists.
if [ ! -f $Ndo2dbBin ]; then
    echo "Executable file $Ndo2dbBin not found.  Exiting."
    exit 1
fi

# Check that ndo2db.cfg exists.
if [ ! -f $Ndo2dbCfgFile ]; then
    echo "Configuration file $Ndo2dbCfgFile not found.  Exiting."
    exit 1
fi

# See how we were called.
case "$1" in

        start)
                status_ndo2db
                if [ $? -eq 0 ]; then
                        echo "$servicename already started..."
                        exit 1
                fi

                status_ndo2db
                if [ $? -eq 2 ]; then
                        echo "$servicename is not running but locked. Trying delete sock-file and start..."
                        rm -f $Ndo2dbSockFile
                fi

                echo -n "Starting $servicename: "
                $Ndo2dbBin -c $Ndo2dbCfgFile
                if [ -d $Ndo2dbLockDir ]; then
                        touch $Ndo2dbLockDir/$Ndo2dbLockFile;
                        chown $Ndo2dbUser:$Ndo2dbGroup $Ndo2dbLockDir/$Ndo2dbLockFile
                fi
                echo "done."
                exit 0
                ;;

        stop)
                status_ndo2db
                if ! [ $? -eq 0 ]; then
                        echo "$servicename was not running... could not stop"
                        exit 1
                fi
                echo -n "Stopping $servicename: "

                pid_ndo2db
                killproc_ndo2db ndo2db

                # now we have to wait for ndo2db to exit and remove its
                # own Ndo2dbRunFile, otherwise a following "start" could
                # happen, and then the exiting ndo2db will remove the
                # new Ndo2dbRunFile, allowing multiple ndo2db daemons
                # to (sooner or later) run - John Sellens
                #echo -n 'Waiting for ndo2db to exit .'
                for i in 1 2 3 4 5 6 7 8 9 10 ; do
                    if status_ndo2db 2>/dev/null; then
                        echo -n '.'
                        sleep 1
                    else
                        break
                    fi
                done
                if status_ndo2db 2>/dev/null; then
                    echo ''
                    echo 'Warning - $servicename did not exit in a timely manner'
                else
                   echo "done."
                fi

                rm -f $Ndo2dbRunFile $Ndo2dbLockDir/$Ndo2dbLockFile $Ndo2dbSockFile
                ;;

        status)
                printstatus_ndo2db
                ;;

        restart)
                $0 stop
                $0 start
                ;;

        *)
                echo "Usage: $servicename {start|stop|restart|status}"
                exit 1
                ;;

esac