dns-over-https/examples/benchmark.php
2023-12-14 20:31:52 +01:00

45 lines
1.2 KiB
PHP

<?php declare(strict_types=1);
require __DIR__ . "/_bootstrap.php";
use Amp\Dns;
use Amp\DoH;
print "Downloading top 500 domains..." . PHP_EOL;
$domains = file_get_contents("https://moz.com/top-500/download?table=top500Domains");
assert($domains !== false);
$domains = array_map(function ($line) {
return trim(explode(",", $line)[1], '"/');
}, array_filter(explode("\n", $domains)));
// Remove "URL" header
array_shift($domains);
$DohConfig = new DoH\DoHConfig([new DoH\DoHNameserver('https://mozilla.cloudflare-dns.com/dns-query')]);
Dns\dnsResolver(new DoH\Rfc8484StubDoHResolver($DohConfig));
print "Starting sequential queries...\r\n\r\n";
$timings = [];
for ($i = 0; $i < 10; $i++) {
$start = microtime(true);
$domain = $domains[random_int(0, count($domains) - 1)];
try {
pretty_print_records($domain, Dns\resolve($domain));
} catch (Dns\DnsException $e) {
pretty_print_error($domain, $e);
}
$time = round(microtime(true) - $start, 2);
$timings[] = $time;
printf("%'-74s\r\n\r\n", " in " . $time . " ms");
}
$averageTime = array_sum($timings) / count($timings);
print "{$averageTime} ms for an average query." . PHP_EOL;