#!/bin/sh

# Script that stops the ns-slapd server.
# Exit status can be:
#       0: Server stopped successfully
#       1: Server could not be stopped
#       2: Server was not running

source @datadir@/@package_name@/data/DSSharedLib

stop_instance() {
    SERV_ID=$1

    initfile=`get_init_file $initconfig_dir $SERV_ID` || { echo Instance $SERV_ID not found. ; return 1 ; }

    # source env. for this instance
    if [ -f $initfile ] ; then
        . $initfile
    else
        echo Instance $SERV_ID not found.
        return 1
    fi

    PIDFILE=$RUN_DIR/$PRODUCT_NAME-$SERV_ID.pid
    if test ! -f $PIDFILE ; then
        echo No ns-slapd PID file found. Server is probably not running
        return 2
    fi
    PID=`cat $PIDFILE`
    # see if the server is already stopped
    kill -0 $PID > /dev/null 2>&1 || {
        echo Server not running
        if test -f $PIDFILE ; then
            rm -f $PIDFILE
        fi
        return 2
    }
    
    #
    # use systemctl if running as root
    #
    if [ -d "@systemdsystemunitdir@" ] && [ "$(id -u)" == "0" ];then
        # 
        # Now, check if systemctl is aware of this running instance
        #
        @bindir@/systemctl is-active @package_name@@$SERV_ID.service > /dev/null 2>&1
        if [ $? -eq 0 ]; then
            # 
            # systemctl sees the running process, so stop it correctly
            #
            @bindir@/systemctl stop @package_name@@$SERV_ID.service
        else
            # 
            # Have to kill it since systemctl doesn't think it's running
            #
            kill $PID
        fi
    else
        # server is running - kill it
        kill $PID
    fi
    
    # wait for 10 minutes (600 times 1 second)
    loop_counter=1
    max_count=600
    while test $loop_counter -le $max_count; do
        loop_counter=`expr $loop_counter + 1`
        if kill -0 $PID > /dev/null 2>&1 ; then
            sleep 1;
        else
            if test -f $PIDFILE ; then
                rm -f $PIDFILE
            fi
            return 0
        fi
    done
    if test -f $PIDFILE ; then
        echo Server still running!! Failed to stop the ns-slapd process: $PID.  Please check the errors log for problems.
    fi
    return 1
}

while getopts "d:" flag
do
    case "$flag" in
        d) initconfig_dir="$OPTARG";;
    esac
done
shift $(($OPTIND-1))

if [ "$initconfig_dir" = "" ]; then
    initconfig_dir=@initconfigdir@
fi

if [ "$#" -eq 0 ]; then
    # We're stopping all instances.
    ret=0
    initfiles=`get_initconfig_files $initconfig_dir` || { echo No instances found in $initconfig_dir ; exit 1 ; }
    for i in $initfiles; do
        if [ ! -f "$i" ] ; then
            echo No instances found in $initconfig_dir
            exit 1
        fi
        inst=`normalize_server_id $i`
        echo Stopping instance \"$inst\"
        stop_instance $inst
        rv=$?
        if [ "$rv" -ne 0 ]; then
            ret=$rv
        fi
    done
    exit $ret
else
    # We're stopping a single instance.
    stop_instance $@
    exit $?
fi