#!/bin/bash

MONGODIR=$HOME/local/mongodb
MONGOD=$MONGODIR/bin/mongod
DBDIR=$MONGODIR/data/db
LOGPATH=$MONGODIR/log/mongodb.log

prog=$(basename $MONGOD)

# Get a sane screen width
[ -z "${COLUMNS:-}" ] && COLUMNS=80

if [ -f /etc/sysconfig/i18n -a -z "${NOLOCALE:-}" ] ; then
  . /etc/sysconfig/i18n
  if [ "$CONSOLETYPE" != "pty" ]; then
    case "${LANG:-}" in
        ja_JP*|ko_KR*|zh_CN*|zh_TW*)
            export LC_MESSAGES=en_US
            ;;
        *)
            export LANG
            ;;
    esac
  else
    export LANG
  fi
fi

# Read in our configuration
if [ -z "${BOOTUP:-}" ]; then
  if [ -f /etc/sysconfig/init ]; then
      . /etc/sysconfig/init
  else
    # This all seem confusing? Look in /etc/sysconfig/init,
    # or in /usr/doc/initscripts-*/sysconfig.txt
    BOOTUP=color
    RES_COL=60
    MOVE_TO_COL="echo -en \\033[${RES_COL}G"
    SETCOLOR_SUCCESS="echo -en \\033[1;32m"
    SETCOLOR_FAILURE="echo -en \\033[1;31m"
    SETCOLOR_WARNING="echo -en \\033[1;33m"
    SETCOLOR_NORMAL="echo -en \\033[0;39m"
    LOGLEVEL=1
  fi
  if [ "$CONSOLETYPE" = "serial" ]; then
      BOOTUP=serial
      MOVE_TO_COL=
      SETCOLOR_SUCCESS=
      SETCOLOR_FAILURE=
      SETCOLOR_WARNING=
      SETCOLOR_NORMAL=
  fi
fi

if [ "${BOOTUP:-}" != "verbose" ]; then
   INITLOG_ARGS="-q"
else
   INITLOG_ARGS=
fi


# Check if $pid (could be plural) are running
checkpid() {
    local i

    for i in $* ; do
        [ -d "/proc/$i" ] || return 1
    done
    return 0
}
echo_success() {
  [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
  echo -n "[  "
  [ "$BOOTUP" = "color" ] && $SETCOLOR_SUCCESS
  echo -n $"OK"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  echo -n "  ]"
  echo -ne "\r"
  if [ "$BOOTUP" = "graphical" -a -x /usr/bin/rhgb-client ]; then
    /usr/bin/rhgb-client -ping
  fi
  return 0
}

echo_failure() {
  [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
  echo -n "["
  [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
  echo -n $"FAILED"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  echo -n "]"
  echo -ne "\r"
  if [ "$BOOTUP" = "graphical" -a -x /usr/bin/rhgb-client ]; then
    /usr/bin/rhgb-client -ping
  fi
  return 1
}
echo_running() {
  [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
  echo -n "["
  [ "$BOOTUP" = "color" ] && $SETCOLOR_SUCCESS
  echo -n $"Running"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  echo -n "]"
  echo -ne "\r"
  if [ "$BOOTUP" = "graphical" -a -x /usr/bin/rhgb-client ]; then
    /usr/bin/rhgb-client -ping
  fi
  return 0
}


echo_stop() {
  [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
  echo -n "["
  [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
  echo -n $"Stopped"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  echo -n "]"
  echo -ne "\r"
  if [ "$BOOTUP" = "graphical" -a -x /usr/bin/rhgb-client ]; then
    /usr/bin/rhgb-client -ping
  fi
  return 1
}


echo_warning() {
  [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
  echo -n "["
  [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
  echo -n $"WARNING"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  echo -n "]"
  echo -ne "\r"
  if [ "$BOOTUP" = "graphical" -a -x /usr/bin/rhgb-client ]; then
    /usr/bin/rhgb-client -ping
  fi
  return 1
}

OLD_LD_LIBRARY_PATH=$LD_LIBRARY_PATH
export LD_LIBRARY_PATH=$(pwd)/lib

unset APP
if test -x $MONGOD
then
    APP=$MONGOD
fi

test "$APP" || { echo $MONGOD" not exists or not executable"; echo_failure; echo;exit 0; } 

app_pid_file=$MONGODIR/"$prog"_$(whoami).pid

start_app()
{
    if [ -e $app_pid_file ]; then
         ppid=$(cat $app_pid_file)
         psreault=`ps aux|grep $ppid|grep -v grep|grep $prog`
         if [ "$psreault"x !=  ""x ]; then
            echo -e "Warning: server is running, or you want restart?   \c"
            echo_warning
            echo
            exit 1
        fi
    fi
    echo  -e "Starting app ......      \c"
    $APP --dbpath $DBDIR --logpath $LOGPATH --logappend >/dev/null 2>&1 &
    #echo $!
    echo $! > $app_pid_file 
    sleep 1

    ppid=$!
    psreault=`ps aux|grep $ppid|grep -v grep|grep $prog`
    if [ "$psreault"x !=  ""x ]; then
        echo_success
        echo
        exit 1
    fi
    echo_failure
    echo
    exit 1

}

stop_app()
{
    if [ -e $app_pid_file ]; then 
        echo  -e "Stopping service         \c"
        ppid=$(cat $app_pid_file)
        psreault=`ps aux|grep $ppid|grep -v grep|grep $prog`
        if [ "$psreault"x !=  ""x ]; then
            kill  $ppid
        fi
    fi 
    rm -f $app_pid_file
    echo_success
    echo
}
show_status()
{
    echo  -e "app status ......        \c"
    if [ -e $app_pid_file ]; then
         ppid=$(cat $app_pid_file)
         psreault=`ps aux|grep $ppid|grep -v grep|grep $prog`
         if [ "$psreault"x !=  ""x ]; then
            echo_running
            echo
            exit 1
        fi
     fi    
    echo_stop
    echo
}


case "$1" in
    start)
        start_app ;
        exit 0
        ;;

    stop)
        stop_app ; 
        exit 0
        ;;
    restart)
        stop_app; 
        sleep 1
        start_app ;
        exit 0
        ;;
    status)
        show_status;
        exit 1
        ;;
     *)
       echo $"Usage: $0 {start|stop|restart|status}"
       exit 1
       ;;

esac

export LD_LIBRARY_PATH=$OLD_LD_LIBRARY_PATH