#!/bin/bash

#%rlevels: 3:s 4:s 5:s 0:k 6:k
#%start: 99
#%stop: 01

#deps
#%needs:
#%before:
#%after:

# $Header: /home/cvsd/alx-cvs/alx-src/alxconfig-ng/init.d/alxsetstate,v 1.3 2005-03-09 00:04:18 niro Exp $

source /etc/sysconfig/rc
source $rc_functions

#mysql settings
source /etc/alxconfig-ng/config.rc
source /usr/lib/alxconfig-ng/functions/mysqlfunctions
source /usr/lib/alxconfig-ng/functions/serial_functions

#check if mysql is available
[ -x /usr/bin/mysql ] && MYSQL_ALX=true

#other needed vars
ALX_HW_DETECT=false

#unset vars which may kill us
unset ALX_SERIAL ALX_STATE

#get current system state
if [ -f /etc/alx-config/state/state ]
then
	source /etc/alx-config/state/state
else
	ALX_STATE=error
fi

# need to put this to an extra init script which will be 
# executed when the real network is up and not the preliminary.
# nice name is alx_connected_state or sth like this
set_current_network_state(){
	local CUR_IP CUR_MAC ID

	echo -e ${COLMAGENTA}"Register system to database"${COLDEFAULT}

	CUR_IP=$(/sbin/ifconfig eth0 | sed -n '/addr:/s/ [^r]*..//gp')
	CUR_MAC=$(/sbin/ifconfig eth0 | grep HWaddr | cut -d ' ' -f11)
	CUR_MTIME=$(date +%s)

	# validate current serial
	if ! validate_serial "${ALX_SERIAL}" "${ALX_REG_DATE}" "${CUR_MAC}"
	then
		ALX_STATE="invalid serial"
	fi

	#first check if an entry exist with my serial
	# if it exist update this entry else insert a new one
	ID=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
		"select serial from state_connected where serial=${ALX_SERIAL};")

	if [ -n "${ID}" ]
	then
		#run an update

		#nice status
		$CURS_UP
		$SET_WCOL
		echo "[ U, State: ${ALX_STATE} ]"

		mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
			"update state_connected set
				hostname='${HOSTNAME}',
				ip='${CUR_IP}',
				mac='${CUR_MAC}',
				state='${ALX_STATE}',
				mtime='${CUR_MTIME}'
			where serial=${ALX_SERIAL};"

		evaluate_retval
	else
		#run an insert

		#nice status
		$CURS_UP
		$SET_WCOL
		echo "[ N, State: ${ALX_STATE} ]"

		mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
			"insert into state_connected(
				serial,
				hostname,
				ip,
				mac,
				state,
				mtime
			)
			values(
				'${ALX_SERIAL}',
				'${HOSTNAME}',
				'${CUR_IP}',
				'${CUR_MAC}',
				'${ALX_STATE}',
				'${CUR_MTIME}'
			);"
		evaluate_retval
	fi
}


# need to put this to an extra init script which will 
# be executed first when the system is going down.
# nice name is alx_connected_state or sth like this
unset_alx_connected(){
	local SQL_OPTS

	echo -e ${COLMAGENTA}"Unregister system from database"${COLDEFAULT}

	mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
		"delete from state_connected where serial='${ALX_SERIAL}' and mac='${CUR_MAC}';"
	evaluate_retval
}

########### starts here ################

#first of all get current system serial
if [ -f /etc/alx-config/serial ]
then
	source /etc/alx-config/serial
else
	ALX_SERIAL=0
fi


case $1 in
	start)
		
		set_current_network_state
		;;

	stop)
		unset_alx_connected
		;;
	*)
		echo "Usage: $0 {start|stop} ..."
		;;
esac