#!/bin/sh
# Copyright 2010 Lekensteyn
# This script is public domain and comes with NO WARRANTY of any kind
#
# Events handler (handles build queue, attacks, etc)
if test `id -u` -eq 0;then
	sudo -u nobody -- "$0"
	exit
fi
running=true
trap 'running=false' 1 2 3 15
cd "$(dirname "$0")/.."
BASEDIR="`pwd`"
PIDFILE="$BASEDIR/tmp/event_second.pid"
killed=
# if a pidfile still exist (unclean shutdown), kill that pid and wait
# 2 seconds for it to catch our signal
test -f "$PIDFILE" && kill -15 "`cat "$PIDFILE"`" >/dev/null && killed=1
printf $$ > "$PIDFILE"
test -n "$killed" && sleep 2
cd htdocs/welt2/daemons
run(){
	test -f "$PIDFILE" || exit 2
	sleep 1
	if test ! -S "$BASEDIR/tmp/mysql.sock";then
		echo 'MySQL is not running.'
		return
	fi
	# start PHP, run build queues, attacks, etc
	env -i LD_LIBRARY_PATH="$BASEDIR/lib" "$BASEDIR/php/php" event.php &
	pid=$!
	# check if we still should run (if we have not been killed)
	while $running;do
		# is PHP not running anymore? Restart it
		if ! kill -0 $pid 2>/dev/null >/dev/null;then
			run
			return
		fi
		# and wait a second as we do not have to check realtime
		sleep 1
	done
	# kill PHP
	kill -15 $pid 2>/dev/null >/dev/null
}
run
detect_pid=`cat "$PIDFILE"`
test "$detect_pid" = $$ && rm -f "$PIDFILE"