#!/bin/sh
#
# functions	This file contains functions to be used by most or all
#		shell scripts in the /etc/init.d directory.
#
# Version:	@(#) /etc/init.d/functions 1.01 26-Oct-1993
#
# Author:	Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
# Hacked by:    Greg Galloway and Marc Ewing
#

# First set up a default search path.
export PATH="/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/bin"

# Get a sane screen width
[ -z "$COLUMNS" ] && COLUMNS=`stty -a 2>/dev/null | sed -n 's/.*columns \([0-9]*\);.*/\1/p'`
[ -z "$COLUMNS" ] && COLUMNS=80

# Read in our configuration
if [ -z "$BOOTUP" ]; then
  if [ -f /etc/sysconfig/init ]; then
      . /etc/sysconfig/init
  else
    # This all seem confusing? Look in /etc/sysconfig/init,
    # or in /usr/doc/initscripts-*/sysconfig.txt
#    BOOTUP=normal
    BOOTUP=color
#    BOOTUP=verbose
    RES_COL=$((${COLUMNS} - 15))
    MOVE_TO_COL="echo -en \\033[${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=3
  fi
fi


gprintf()
{
    printf "$*"
}

# A function to start a program.
daemon() {
	rc=0
	# Test syntax.
	gotbase=
	case $1 in
	    '')    echo '$0: Usage: daemon [+/-nicelevel] {program}'
	           return 1;;
	    --check)
	           shift
		   base=$1
		   gotbase="yes"
		   shift
		   nicelevel=0
		   ;;
	          
	    -*|+*) nicelevel=$1
	           shift;;
	     *)    nicelevel=0;;
	esac

        # Save basename.
        [ -z $gotbase ] && base=`basename $1`

        # See if it's already running.
	pid=`pidofproc $base`
	[ -n "$pid" ] && ps | grep $pid | grep -v grep >/dev/null 2>&1
	rc=$?
	[ $rc -eq 0 ] && failure "$base startup" && return 1

	# make sure it doesn't core dump anywhere; while this could mask
	# problems with the daemon, it also closes some security problems
	ulimit -c 0
	
	# Echo daemon
        [ "$BOOTUP" = "verbose" ] && echo -n " $base startup"

	# And start it up.
	nice -n $nicelevel /bin/sh -c "$*" && success || failure
}

# A function to stop a program.
killproc() {
	# Test syntax.
	if [ $# = 0 ]; then
		echo "Usage: killproc {program} [signal]"
		return 1
	fi

	notset=0
	# check for second arg to be kill level
	if [ "$2" != "" ] ; then
		killlevel=$2
	else
		notset=1
		killlevel="-9"
	fi

        # Save basename.
        base=`basename $1`

        # Find pid.
        pid=`pidofproc $base`

        # Kill it.
        if [ "$pid" != "" ] ; then
                [ $BOOTUP = "verbose" ] && echo -n "$base "
		if [ "$notset" = "1" ] ; then
		       if ps | grep $pid | grep -v grep >/dev/null 2>&1; then
			   # TERM first, then KILL if not dead
			   kill -TERM $pid
			   usleep 100000
			   if ps | grep $pid | grep -v grep >/dev/null 2>&1 ; then
				sleep 1
				if ps | grep $pid | grep -v grep >/dev/null 2>&1 ; then
				        sleep 3
					if ps | grep $pid | grep -v grep >/dev/null 2>&1 ; then
					   kill -KILL $pid
					fi
				fi
			   fi
		        fi
			ps | grep $pid | grep -v grep >/dev/null 2>&1 && failure "$base shutdown" || success "$base shutdown"
		# use specified level only
		else
		        if ps | grep $pid | grep -v grep >/dev/null 2>&1; then
	                	kill $killlevel $pid && success "$base $killlevel" || failure "$base $killlevel"
			fi
		fi
	else
	    failure "$base shutdown"
	fi

        # Remove pid file if any.
	if [ "$notset" = "1" ]; then
            rm -f /var/run/$base.pid
	fi
}

# A function to find the pid of a program.
pidofproc() {
	# Test syntax.
	if [ $# = 0 ] ; then
		echo "Usage: pidofproc {program}"
		return 1
	fi

	# First try "/var/run/*.pid" files
	if [ -f /var/run/$1.pid ] ; then
	        pid=`head -n 1 /var/run/$1.pid`
	        if [ "$pid" != "" ] ; then
	                echo $pid
	                return 0
	        fi
	fi

	# Next try "pidof"
	pid=`pidof $1 | cut -d ' ' -f 1`
	if [ "$pid" != "" ] ; then
	        echo $pid
	        return 0
	fi
}

status() {
	# Test syntax.
	if [ $# = 0 ] ; then
		echo "Usage: status {program}"
		return 1
	fi

	# First try "pidof"
	pid=`pidof $1`
	if [ "$pid" != "" ] ; then
	        echo "$1 (pid $pid) is running..."
	        return 0
	fi

	# Next try "/var/run/*.pid" files
	if [ -f /var/run/$1.pid ] ; then
	        pid=`head -n 1 /var/run/$1.pid`
	        if [ "$pid" != "" ] ; then
	                echo "$1 dead but pid file exists"
	                return 1
	        fi
	fi
	# See if /var/lock/subsys/$1 exists
	if [ -f /var/lock/subsys/$1 ]; then
		echo "$1 dead but subsys locked"
		return 2
	fi
	echo "$1 is stopped"
	return 3
}

echo_success() {
  [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
  echo -n "[  "
  [ "$BOOTUP" = "color" ] && $SETCOLOR_SUCCESS
  echo -n "OK"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  echo -n "  ]"
  return 0
}

echo_failure() {
  [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
  echo -n "["
  [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
  echo -n "FAILED"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  echo -n "]"
  return 1
}

echo_warning() {
  [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
  echo -n "["
  [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
  echo -n "WARNING"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  echo -n "]"
  return 1
}

# Log that something succeeded
success() {
  gprintf "$1 `echo_success`"
  return 0
}

# Log that something failed
failure() {
  rc=$?
  gprintf "$1 `echo_failure`"
  return $rc
}

# Log that something passed, but may have had errors. Useful for fsck
warning() {
  rc=$?
  gprintf "$1 `echo_warning`"
  return $rc
}  

# Run some action. Log its output. ex: action "Starting toto" toto -p -n
action() {
  STRING=$1
  shift
  gprintf "$STRING"
  $* && echo_success || echo_failure
  rc=$?
  echo
  return $rc
}

# Confirm whether we really want to run this service
confirm() {
  echo -n "Start service $1 (Y)es/(N)o/(C)ontinue? [Y] "
  read answer
  case $answer in
    y|Y|"")
      return 0
    ;;
    c|C)
      return 2
    ;;
    n|N)
      return 1
    ;;
    *)
      confirm $1
      return $?
    ;;
    esac
}

get_product()
{
	awk '/Hardware/ { print $NF } ' </proc/cpuinfo | tr '[:upper:]' '[:lower:]'
}
