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| #!/usr/bin/env bash | |
| NS=$1 | |
| QUERIES=$2 | |
| CMD=$3 | |
| command -v bc > /dev/null || { echo "error: bc was not found. Please install bc."; exit 1; } | |
| { command -v drill > /dev/null && dig=drill; } || { command -v dig > /dev/null && dig=dig; } || { echo "error: dig was not found. Please install dnsutils."; exit 1; } | |
| NAMESERVERS=`cat /etc/resolv.conf | grep ^nameserver | cut -d " " -f 2 | sed 's/\(.*\)/&#&/'` | |
| PROVIDERSV4=" | |
| $NS | |
| " | |
| PROVIDERSV6=" | |
| 2606:4700:4700::1111#cloudflare-v6 | |
| 2001:4860:4860::8888#google-v6 | |
| 2620:fe::fe#quad9-v6 | |
| 2620:119:35::35#opendns-v6 | |
| 2a0d:2a00:1::1#cleanbrowsing-v6 | |
| 2a02:6b8::feed:0ff#yandex-v6 | |
| 2a00:5a60::ad1:0ff#adguard-v6 | |
| 2610:a1:1018::3#neustar-v6 | |
| " | |
| # Testing for IPv6 | |
| $dig +short +tries=1 +time=2 +stats @2a0d:2a00:1::1 www.google.com |grep 216.239.38.120 >/dev/null 2>&1 | |
| if [ $? = 0 ]; then | |
| hasipv6="true" | |
| fi | |
| providerstotest=$PROVIDERSV4 | |
| if [ "x$1" = "xipv6" ]; then | |
| if [ "x$hasipv6" = "x" ]; then | |
| echo "error: IPv6 support not found. Unable to do the ipv6 test."; exit 1; | |
| fi | |
| providerstotest=$PROVIDERSV6 | |
| elif [ "x$1" = "xipv4" ]; then | |
| providerstotest=$PROVIDERSV4 | |
| elif [ "x$1" = "xall" ]; then | |
| if [ "x$hasipv6" = "x" ]; then | |
| providerstotest=$PROVIDERSV4 | |
| else | |
| providerstotest="$PROVIDERSV4 $PROVIDERSV6" | |
| fi | |
| else | |
| providerstotest=$PROVIDERSV4 | |
| fi | |
| # Domains to test. Duplicated domains are ok | |
| #DOMAINS2TEST="www.google.com amazon.com facebook.com www.youtube.com www.reddit.com wikipedia.org twitter.com gmail.com www.google.com whatsapp.com" | |
| DOMAINS2TEST="$QUERIES" | |
| totaldomains=0 | |
| printf "%-21s" "" | |
| for d in $DOMAINS2TEST; do | |
| totaldomains=$((totaldomains + 1)) | |
| printf "%-8s" "test$totaldomains" | |
| done | |
| printf "%-8s" "Average" | |
| echo "" | |
| for p in $providerstotest; do | |
| pip=${p%%#*} | |
| pname=${p##*#} | |
| ftime=0 | |
| printf "%-21s" "$pname" | |
| for d in $DOMAINS2TEST; do | |
| ttime=`$CMD $dig +tries=1 +time=2 +stats @$pip $d |grep "Query time:" | cut -d : -f 2- | cut -d " " -f 2` | |
| if [ -z "$ttime" ]; then | |
| #let's have time out be 1s = 1000ms | |
| ttime=1000 | |
| elif [ "x$ttime" = "x0" ]; then | |
| ttime=1 | |
| fi | |
| printf "%-8s" "$ttime ms" | |
| ftime=$((ftime + ttime)) | |
| done | |
| avg=`bc -l <<< "scale=2; $ftime/$totaldomains"` | |
| echo " $avg" | |
| done | |
| exit 0; |
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