Created
February 14, 2016 18:47
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Script simples para testar limite de conexão
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#!/bin/bash | |
trap 'stats' SIGINT SIGTERM | |
(( $# != 4 )) && (( $# != 2 )) && { echo "($#) uso: $0 -u <url de ataque> { -t <timeout de cada acesso (default 3)> }"; exit 3; } | |
while getopts "u:t:" option | |
do | |
case "$option" in | |
u) url="$OPTARG";; | |
t) timeout="$OPTARG";; | |
esac | |
done | |
grep -q "https://" <<< "$url" && https="--no-check-certificate" | |
RED='\033[0;31m' | |
NC='\033[0m' | |
GREEN='\033[0;32m' | |
i=0; | |
start=$(date +%s) | |
date | |
last=1 | |
stats(){ | |
(( $i < 1 )) && exit 1; | |
echo "" | |
date | |
echo "================================================================" | |
echo "$i tentativas de conexão a $url" | |
echo "${passou:-0} tentativas com sucesso" | |
echo "${naopassou:-0} tentativas bloqueadas" | |
echo "Primeiro bloqueio: ${primeiroblock:-nenhum}" | |
echo "Última conexão com sucesso: ${lastok:-nenhuma}" | |
echo "${block:-0} bloqueios até a interrupção do script" | |
echo "================================================================" | |
kill -9 $$; | |
} | |
while true; | |
do | |
wget --timeout=${timeout:-3} -qO/dev/null $https --tries=1 $url && { | |
let ok++; | |
nok=0 | |
let passou++ | |
last=1 | |
let i++ | |
lastok=$i | |
echo -e "$GREEN$i: (+$(($(date +%s) - $start))s) (${passou:-0} OK ($ok)) (${naopassou:-0} FAIL ($nok)) ${block:-0} bloqueios$NC" | |
} || { | |
(( $last == 1 )) && let block++ | |
last=0 | |
let nok++; | |
ok=0 | |
let naopassou++ | |
let i++ | |
(( ${flag:-0} == 0 )) && { primeiroblock=$i; flag=1; } | |
echo -e "$RED$i: (+$(($(date +%s) - $start))s) (${passou:-0} OK ($ok)) (${naopassou:-0} FAIL ($nok)) ${block:-0} bloqueios$NC" | |
} | |
done |
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