/**
* Run a bunch of URLs through SquidUpdate::purge()
* to benchmark Squid response times.
* @param array $urls A bunch of URLs to purge
* @param int $trials How many times to run the test?
* @return string
*/
private function benchSquid($urls, $trials = 1)
{
$start = microtime(true);
for ($i = 0; $i < $trials; $i++) {
CdnCacheUpdate::purge($urls);
}
$delta = microtime(true) - $start;
$pertrial = $delta / $trials;
$pertitle = $pertrial / count($urls);
return sprintf("%4d titles in %6.2fms (%6.2fms each)", count($urls), $pertrial * 1000.0, $pertitle * 1000.0);
}
public function run()
{
// Use purge() directly to avoid infinite recursion
CdnCacheUpdate::purge($this->params['urls']);
return true;
}
