#!/bin/sh
host=probook
host_mac=2c:41:38:08:6c:44
timeout=1

# when no count parameter is set use 1
if [ $# -ne 0 ]; then
	timeout=$1
fi

echo -n "Checking if $host is already alive... "
ping -c 1 $host >/dev/null 2>&1
if [ $? -eq 0 ]; then
	echo "yes. Done"
	exit 0
fi
echo "no."

echo -n "Trying to wake up $host ... "

while [ $timeout -gt 0 ]; do
	wol $host_mac >/dev/null 2>&1
	ping -c 1 $host >/dev/null 2>&1
	if [ $? -eq 0 ]; then
		echo "success."
		exit 0
	fi
	((timeout--))
	echo "no."
	echo -n "Re-trying to wake up $host ... "
done

echo "no."
echo "Unable to wake up $host"
exit 1