#!/bin/bash
path=$(pwd)
sname=$0

trap ctrl_c INT
function ctrl_c() {
if [[ -f "$path/pid.tmp" ]]
then	
pid=$(sed -n 1p < "$path/pid.tmp")
rpid=$(ps -p "$pid" -o pid= | awk '{print$1}')
if [[ "$rpid" == "$pid" ]]
then
kill $pid >/dev/null 2>&1
exit 1
else
exit 1
fi	
else
exit 1
fi
}
if [[ ! -f $path/null ]]
then
echo "0" > $path/null
exec $sname 2>/dev/null
exit 1
fi
rm -rf $path/null >/dev/null 2>&1
srvnmb=$(wc -l "$path/1" | awk '{print$1}')
rm -rf "$path/stream*" >/dev/null 2>&1
rm -rf "$path/pid.tmp" >/dev/null 2>&1
for i in $(seq "$srvnmb")
do
chkf=$(sed -n "${i}p" < "$path/1")
chkurl=$(echo "$chkf" | head -c 4)
case "$chkurl" in
http|rtmp|HTTP)
wget -q "$chkf" -O "$path/stream" & echo $! > "$path/pid.tmp" 
pid=$(sed -n 1p < "$path/pid.tmp")
sleep 4 
rpid=$(ps -p "$pid" -o pid= | awk '{print$1}')
if [[ "$rpid" == "$pid" ]]
then
kill $pid >/dev/null 2>&1
fi
if [[ ! -f "$path/stream" ]]
then
echo "Error reading captured file"
else
stsz=$(wc -c "$path/stream" | awk '{print$1}')
if [[ "$stsz" -le "100" ]]
then
echo "$chkf is down"
else
echo "$chkf is ok"
fi
fi
;;
*)
;;
esac
rm -rf "$path/stream" >/dev/null 2>&1
rm -rf "$path/pid.tmp" >/dev/null 2>&1
done