HTTP monitor sms alert

alers_http_sms.sh

#!/bin/bash
send_time_file="http_alerts_last_fail_sms.txt"

# Details http://prinfum.wordpress.com/2011/02/08/alerte-sms-cind-cade-siteul/
# To edit
cd /home/unde_va_fi_scris_fisierul_Care_Salveaza_Ora
function test {
# To edit
	h=`curl --connect-timeout 60 --max-time 60 http://siteulvostru.com | grep "un careva text din html"`
	if (( ("$?" != "0") || ("${#h}" == "0") )); then
		return 0 # Failure
	else
		return 1
	fi
}
function send_sms_delay {
	now=`date --utc +%s`
	last=`cat $send_time_file`
	last=`expr $last + 1` # This will cast to int, if last was empty
	dif=$(( $now - $last ))
	if (( ($dif > 3600) )); then 
		return 0
	fi
	return 1
}
function send_sms_post_send {
	now=`date --utc +%s`
	echo $now > $send_time_file
}

function send_sms {
	send_sms_delay
	if [ $? -ne 0 ]; then
		echo "Sms-ul a fost trimis nu demult"
		return 1
	fi
	echo "Send sms !"
# To edit
	curl "http://api.clickatell.com/http/sendmsg?user=UTILIZATOR&password=PAROLAPUBLICA&api_id=APIID&to=373NUMARTELEFON&text=TEXTULSMS" &
	send_sms_post_send
}
test
if (( ("$?" == "0") )); then
	echo "TEst faild, wait 30 seconds"
	sleep 30
	test
	if (( ("$?" == "0") )); then
		send_sms
	fi
else
	echo "Is up!"
fi