#!/bin/sh
#
# NetworkManager:   NetworkManager daemon
#
# description:  This is a daemon for automatically switching network \
#               connections to the best available connection. \
#
# processname: NetworkManager
# pidfile: /var/run/NetworkManager.pid
#

# Inhale the configuration.  Ahem.
. /etc/rc.d/rc.inet1.conf

prefix=/usr
exec_prefix=/usr
sbindir=${exec_prefix}/sbin

NETWORKMANAGER_BIN=${sbindir}/NetworkManager

# Sanity checks.
[ -x $NETWORKMANAGER_BIN ] || exit 0

# We need /sbin/ip
[ -x /sbin/ip ] || exit 0

PIDFILE=/var/run/NetworkManager.pid

interface_sanity()
{
  local interfaces=0
  # This makes extra passes.  Get over it.
  for idx in 0 1 2 3 4 5 6; do
  	if [ "${USE_DHCP[$idx]}" = "yes" ]; then
  		(( interfaces++ ))
  		continue
  	fi
  	if [ -n "${IPADDR[$idx]}" ]; then
  		# NM isn't usable with statically configured interfaces
  		interfaces=2
  		continue
  	fi
  done
  
  # NetworkManager 0.6.x only handles a single, DHCP-enabled interface.
  if [ $interfaces -gt 1 ]; then
  	echo "More than one interface or statically-configured interface detected."
  	exit
  fi

	exit 1
}

nm_start()
{
	if [ "`pgrep dbus-daemon`" = "" ]; then
    echo "D-BUS must be running to start NetworkManager"
    return
	fi
  
	if [ "`pgrep hald`" = "" ]; then
	 echo "HAL must be running to start NetworkManager"
	 return
	fi
 
  # Just in case the pidfile is still there, we may need to nuke it.
  if [ -e "$PIDFILE" ]; then
    rm -f $PIDFILE
  fi

  echo "Starting NetworkManager daemon:  $NETWORKMANAGER_BIN"
  $NETWORKMANAGER_BIN
}

nm_status()
{
  local pidlist=`cat $PIDFILE 2>/dev/null`
  if [ -z "$pidlist" ]; then
    return 1
  fi
  local command=`ps -p $pidlist -o comm=`
  if [ "$command" != 'NetworkManager' ]; then
    return 1
  fi
}

dhcdbd_status()
{
  if [ ! -x /etc/rc.d/rc.dhcdbd ]; then
    return 1
  fi	
  local response=`/etc/rc.d/rc.dhcdbd status 2>/dev/null`
  if [ "${response%%"not running."}" != "$response" ]; then
    return 1
  fi
}

nm_stop()
{
  echo -en "Stopping NetworkManager: "
  local pidlist=`cat $PIDFILE 2>/dev/null`
  if [ ! -z "$pidlist" ]; then
    kill $pidlist &>/dev/null
    rm -f $PIDFILE &>/dev/null
  	echo "stopped"
		exit
	fi
	echo "not running"
}

nm_restart()
{
  nm_stop
  nm_start
}

case "$1" in
'start')
	if ( ! interface_sanity ); then
		echo "NetworkManager will not be started."
		exit
	fi

	if ( ! dhcdbd_status ); then
		echo "NetworkManager requires DHCDBD and it is not enabled."
		exit
	fi

  if ( ! nm_status ); then
    nm_start
  else
    echo "NetworkManager is already running (will not start it twice)."
  fi
		;;
'stop')
  nm_stop
		;;
'restart')
  nm_restart
		;;
'status')
  if ( nm_status ); then
    echo "NetworkManager is currently running"
  else
    echo "NetworkManager is not running."
  fi
		;;
*)
  echo "usage $0 start|stop|status|restart"
esac

# vim: ts=2