#!/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/X11R6/bin"
LCD_WRITE="/sbin/lcd-write"
LCD_SWRITE="/sbin/lcd-swrite"
LCD_STOP="/sbin/lcdstop"
LCD_SLEEP="/sbin/lcdsleep"

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

# A function to get a message.
getmsg() {
	# Test syntax.
	if [ $# = 0 ]; then
		echo "Usage: getmsg {msgid}"
		return 1
	fi

	if [ -f /etc/cobalt/locale ]; then
		LANG=`cat /etc/cobalt/locale`
	else
		LANG="en_US"
	fi

	# get the message
	echo `LANGUAGE=$LANG /usr/bin/gettext --domain=$DOMAIN $1`
}

# A function to start a program.
daemon() {
	# Test syntax.
	if [ $# = 0 ]; then
	    echo '$0: Usage: daemon [+/-nicelevel] {program}'
	    return 1
	fi

        # Save basename.
        base=`basename $1`

        # See if it's already running.
	pid=`pidofproc $base`
	[ -n "$pid" ] && ps h $pid >/dev/null 2>&1 && return

	# 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
        echo -n " $base"

	# And start it up.
	#nice -n $nicelevel -c "$*" && success "$base startup" || failure "$base startup"
	$*
}

# 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 [ "$pid" != "" ] ; then
                echo -n "$base "
		if [ "$notset" = "1" ] ; then
		       if ps h $pid>/dev/null 2>&1; then
			   # TERM first, then KILL if not dead
			   kill -TERM $pid
			   usleep 100000
			   if ps h $pid >/dev/null 2>&1 ; then
				sleep 1
				if ps h $pid >/dev/null 2>&1 ; then
				        sleep 3
					if ps h $pid >/dev/null 2>&1 ; then
					   kill -KILL $pid
					fi
				fi
			   fi
		        fi
			ps h $pid >/dev/null 2>&1 && failure "$base shutdown" || success "$base shutdown"
		# use specified level only
		else
		        if ps h $pid >/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 -1 /var/run/$1.pid`
	        if [ "$pid" != "" ] ; then
	                echo $pid
	                return 0
	        fi
	fi

	# Next try "pidof"
	pid=`pidof $1`
	if [ "$pid" != "" ] ; then
	        echo $pid
	        return 0
	fi

	# Finally try to extract it from ps
	ps ax | awk 'BEGIN { prog=ARGV[1]; ARGC=1 } 
			   { if ((prog == $5) || (("(" prog ")") == $5) ||
			     (("[" prog "]") == $5) ||
			   ((prog ":") == $5)) { print $1 ; exit 0 } }' $1
}

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
        else
                pid=`ps ax | awk 'BEGIN { prog=ARGV[1]; ARGC=1 } 
			   { if ((prog == $5) || (("(" prog ")") == $5) ||
			     (("[" prog "]") == $5) ||
			   ((prog ":") == $5)) { print $1 ; exit 0 } }' $1`
                if [ "$pid" != "" ] ; then
                        echo "$1 (pid $pid) is running..."
                        return 0
                fi
	fi

	# Next try "/var/run/*.pid" files
	if [ -f /var/run/$1.pid ] ; then
	        pid=`head -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
}

success() {
  echo -n "ok"
  return 0
}

failure() {
  echo -n "ERROR!"
  return 1
}

passed() {
  echo -n "ok"
  return 1
}

# Run some action. Log its output.
action() {
  STRING=$1
  echo -n "$STRING "
  shift
  $*
  rc=$?
  echo
  return $rc
}