#!/bin/bash
MONDIR=/var/lib/mon

#resolution of modify times is only 2 second on some filesystems, so prevent race conditions by touching it now and sleeping 2 seconds
touch $MONDIR/.send-time
echo "Sleeping..."
sleep 2

#traveled back in time? (e.g. systemclock is adjusted)
if [ $MONDIR/.send-time -ot $MONDIR/send-latest ]; then
	#remove it (this triggers a send)
	rm $MONDIR/send-latest
fi

#Find all facility states that have changed since last succesfull send
cd $MONDIR/alerts
for FACILITY in *; do
	#NOTE: msg-modifytime only changes if something actually changed, while state-modifytime always changes when syn3-state is called.
	if [ $FACILITY/msg -nt $MONDIR/send-latest ]; then
		echo "Facility $FACILITY has changed since last send."
		cd /usr/webint/htdocs/monitoring/
		php cli.php --send_all_states || exit 1
		mv $MONDIR/.send-time $MONDIR/send-latest
		echo "Status succesfully uploaded to SYN-3 monitoring system"
		exit 0
	fi
done

echo "No changes found"