#!/bin/bash


function monitor {
echo "Monitoring another cam..."
clear
umount /mnt/videoserver
mount -t cifs -o credentials=/var/smbcred //$SERVIP /mnt/videoserver
echo "Stato del mount:"
echo $(cat /proc/mounts | grep videoserver | tail -1 | awk '{print $1 " on " $2}')
echo ""
ALERTPATH=/home/alerts/$CAMERANAME.alert
echo "Listing that dir..."
ls "/mnt/videoserver/"
echo "Now cd in that dir..."
cd "/mnt/videoserver/"
echo ""
echo "Going in.."
cd $(find . -maxdepth 1 -not -name '.*' -and -not -name '9*' -and -not -type f -printf '%T@ %p\n' | sort -n | tail -1 | cut -f2- -d" ")
pwd
cd $(find . -maxdepth 1 -not -name '.*' -and -not -name '9*' -and -not -type f -printf '%T@ %p\n' | sort -n | tail -1 | cut -f2- -d" ")
pwd
#cd $(find . -maxdepth 1 -not -name '.*' -and -not -name '9*' -and -not -type f -printf '%T@ %p\n' | sort -n | tail -1 | cut -f2- -d" ")
#echo ""
echo "I'm in $(pwd) , ready to check"
LASTMODTIME=$(stat -c %y $(pwd))
echo "Folder last mod on: $LASTMODTIME"
echo ""

echo "||||||||||||||||||||"
echo "Camera: $CAMERANAME"
echo "Path: /mnt/videoserver/"
echo "On: //$SERVIP"
echo "Logfile: $ALERTPATH"
echo ""
echo "======="
echo ""
echo "Check if it is up..."
ping -c 5 -i 0.2 $CAMIP > /dev/null 2>&1
if [ $? -ne 0 ]
then
        cat /dev/null > $ALERTPATH
        echo "Argh, camera looks down! Retrying..."
        ping -c 5 -i 0.2 $CAMIP > /dev/null 2>&1
        if [ $? -ne 0 ]
        then
        echo "It's really down!"
        echo "pingerr: camera did not answer" >> $ALERTPATH
        else
        cat /dev/null > $ALERTPATH
        echo "Yup! It's working!"
        echo "ok: camera answered" >> $ALERTPATH
        fi
else
        cat /dev/null > $ALERTPATH
        echo "Yup! It's working!"
        echo "ok: camera answered" >> $ALERTPATH
fi

echo ""

LASTOFUS=$(find . -type f -name "*.jpg" -mmin -2 -not -name ".*" -and -not -type d -and -not -name "INFO*" -exec ls -ltr {} + | tail -1 | awk '{print $9}')
echo "Last modified file: $LASTOFUS"
stat -c %y $LASTOFUS

#UTIME=$(stat -c %y $LASTOFUS | awk '{print $2}')
#IFS=: read H M SMS <<<"${UTIME##*-}"
#MYTIME=$H$M
#echo "Timestamp:"
#echo $MYTIME
#echo "Local timestamp:"
#ULOCALTIME=$(date | awk '{print $5}')
#IFS=. read H M S <<<"${ULOCALTIME##*-}"
#MYLOCALTIME=$H$M
#echo $MYLOCALTIME
#echo ""
echo "Courtesy Time: "
date
echo ""
echo "===="
echo ""

#DIFF=$(expr $MYLOCALTIME - $MYTIME)
#       echo "Difference:"
#       echo $DIFF
#       echo ""
        echo "So $CAMERANAME status is..."
        if [[ -z "${LASTOFUS// }" ]]
#       if [[ $DIFF -ge 2 ]] || [[ $DIFF -le -1 ]]
                then
                if [[ $DISPLACED -ge 1 ]]
                then
                        echo "NOREC"
                        echo "recerror: camera is not recording!" >> $ALERTPATH
                        DISPLACED=0
                        echo "$CAMERANAME reported NOT recording ($LASTOFUS timestamp is $MYTIME) at $(date)" >> /root/errors.log
                        sleep 5
                else
                        echo "BAD sign, no recent files?"
                        echo "Checking again in 30 secs..."
                        sleep 30
                        DISPLACED=1
                        cd
                        umount /mnt/videoserver
                        monitor
                fi
        else
                DISPLACED=0
                echo "ok: camera is recording!" >> $ALERTPATH
                echo "REC"
        fi

cd
sleep 1

umount /mnt/videoserver

sleep 1

}