#!/bin/bash

### BEGIN INIT INFO
# Provides:          bukts
# Required-Start:    $postgresql
# Required-Stop:     $postgresql
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: UBUK Driver
# Description:       UBUK Driver
### END INIT INFO

daemon_start_sh=/opt/bukts/bukts-loader.sh
daemon=/opt/bukts/bin/bukts-loader

case "$1" in
start)
    if [ ! -x ${daemon_start_sh?} -o ! -x ${daemon?} ]; then
	echo "Сервер не существует."
	exit 0
    fi

    PIDS=`ps ax | grep ${daemon?} | grep -v grep | awk '{print $1}'`
    if [ ! -z "${PIDS?}" ]; then
        echo "Сервер БУК TS-G уже запущен, pid=${PIDS?}."
        exit 0
    fi
    echo -n "Запуск сервера БУК TS-G"
    /sbin/start-stop-daemon --quiet --start --exec ${daemon_start_sh} -c bukts:bukts
    ERR=$?
    if [ $ERR -eq 0 ]; then
        echo "."
    else
        echo " error $ERR."
    fi
  ;;
stop)
    PIDS=`ps ax | grep ${daemon?} | grep -v grep | awk '{print $1}'`
    if [ -z "${PIDS?}" ]; then
      echo "Сервер БУК TS-G остановлен."
    else
      echo -n "Останов сервера БУК TS-G:"
      for procnum in ${PIDS?}
      do
        echo -n " pid=${procnum?}"
        kill ${procnum?}
        ERR=$?
        if [ $ERR -ne 0 ]; then
          echo -n "error $ERR "
        fi
      done
      echo "."
   fi
  ;;
restart|force-reload)
    $0 stop
    sleep 1
    $0 start
    ;;
dbread)
    PIDS=`ps ax | grep ${daemon?} | grep -v grep | awk '{print $1}'`
    if [ -z "${PIDS?}" ]; then
      echo "Сервер БУК TS-G не запущен."
    else
      echo -n "Передача серверу БУК TS-G команды на чтение конфигурации из базы данных:"
      for procnum in ${PIDS?}
      do
        echo -n " pid=${procnum?}"
        kill -s USR1 ${procnum?}
        ERR=$?
        if [ $ERR -ne 0 ]; then
          echo -n "error $ERR "
        fi
      done
      echo "."
   fi
  ;;
docmd)
    PIDS=`ps ax | grep ${daemon?} | grep -v grep | awk '{print $1}'`
    if [ -z "${PIDS?}" ]; then
      echo "Сервер БУК TS-G не запущен."
    else
      echo -n "Передача серверу БУК TS-G команды на выполнение внешней команды:"
      for procnum in ${PIDS?}
      do
        echo -n " pid=${procnum?}"
        kill -s USR2 ${procnum?}
        ERR=$?
        if [ $ERR -ne 0 ]; then
          echo -n "error $ERR "
        fi
      done
      echo "."
   fi
  ;;
  *)
    echo "Usage: $0 {start|stop|restart|force-reload|dbread|docmd}" >&2
    exit 1
    ;;
esac

exit 0
