#!/bin/bash
#
# sfa   Wraps PLCAPI into the SFA compliant API
#
# chkconfig: 2345 5 99
#
# description:   Wraps PLCAPI into the SFA compliant API
#
# $Id: sfa 18662 2010-08-24 16:53:40Z tmack $
# $URL: http://svn.planet-lab.org/svn/sfa/trunk/sfa/init.d/sfa $
#

# Source config
[ -f /etc/sfa/sfa_config ] && . /etc/sfa/sfa_config

# source function library
. /etc/init.d/functions

# Regenerate configuration files - almost verbatim from plc.init
reload ()
{
    force=$1

    # Regenerate the main configuration file from default values
    # overlaid with site-specific and current values.
    # Thierry -- 2007-07-05 : values in plc_config.xml are *not* taken into account here
    files=(
	/etc/sfa/default_config.xml 
	/etc/sfa/configs/site.xml
    )
    for file in "${files[@]}" ; do
	if [ -n "$force" -o $file -nt /etc/sfa/sfa_config.xml ] ; then
	    tmp=$(mktemp /tmp/sfa_config.xml.XXXXXX)
	    plc-config --xml "${files[@]}" >$tmp
	    if [ $? -eq 0 ] ; then
		mv $tmp /etc/sfa/sfa_config.xml
		chmod 444 /etc/sfa/sfa_config.xml
	    else
		echo "SFA: Warning: Invalid configuration file(s) detected"
		rm -f $tmp
	    fi
	    break
	fi
    done

    # Convert configuration to various formats
    if [ -n "$force" -o /etc/sfa/sfa_config.xml -nt /etc/sfa/sfa_config ] ; then
	plc-config --shell /etc/sfa/sfa_config.xml >/etc/sfa/sfa_config
    fi
    if [ -n "$force" -o /etc/sfa/sfa_config.xml -nt /etc/sfa/sfa_config.py ] ; then
	plc-config --python /etc/sfa/sfa_config.xml >/etc/sfa/sfa_config.py
    fi
#    if [ -n "$force" -o /etc/sfa/sfa_config.xml -nt /etc/sfa/php/sfa_config.php ] ; then
#	mkdir -p /etc/sfa/php
#	plc-config --php  /etc/sfa/sfa_config.xml >/etc/sfa/php/sfa_config.php
#    fi

    # [re]generate the sfa_component_config
    gen-sfa-cm-config.py        
}

start() {
    
    reload

    if [ "$SFA_REGISTRY_ENABLED" ]; then
        action $"SFA Registry" daemon /usr/bin/sfa-server.py -r -d $OPTIONS
    fi

    if [ "$SFA_AGGREGATE_ENABLED" ]; then
        action $"SFA Aggregate" daemon /usr/bin/sfa-server.py -a -d $OPTIONS
    fi
        
    if [ "$SFA_SM_ENABLED" ]; then
        action "SFA SliceMgr" daemon /usr/bin/sfa-server.py -s -d $OPTIONS
    fi

    RETVAL=$?
    [ $RETVAL -eq 0 ] && touch /var/lock/subsys/sfa

}

stop() {
    action $"Shutting down SFA" killproc sfa-server.py
    RETVAL=$?

    [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/sfa
}


case "$1" in
    start) start ;;
    stop) stop ;;
    reload) reload force ;;
    restart) stop; start ;;
    condrestart)
	if [ -f /var/lock/subsys/sfa ]; then
            stop
            start
	fi
	;;
    status)
	status sfa
	RETVAL=$?
	;;
    *)
	echo $"Usage: $0 {start|stop|reload|restart|condrestart|status}"
	exit 1
	;;
esac

exit $RETVAL