diff options
Diffstat (limited to 'srcs/phpmyadmin/vendor/symfony/cache/DataCollector')
| -rw-r--r-- | srcs/phpmyadmin/vendor/symfony/cache/DataCollector/CacheDataCollector.php | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/vendor/symfony/cache/DataCollector/CacheDataCollector.php b/srcs/phpmyadmin/vendor/symfony/cache/DataCollector/CacheDataCollector.php new file mode 100644 index 0000000..c63cd32 --- /dev/null +++ b/srcs/phpmyadmin/vendor/symfony/cache/DataCollector/CacheDataCollector.php @@ -0,0 +1,194 @@ +<?php + +/* + * This file is part of the Symfony package. + * + * (c) Fabien Potencier <fabien@symfony.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\Cache\DataCollector; + +use Symfony\Component\Cache\Adapter\TraceableAdapter; +use Symfony\Component\Cache\Adapter\TraceableAdapterEvent; +use Symfony\Component\HttpFoundation\Request; +use Symfony\Component\HttpFoundation\Response; +use Symfony\Component\HttpKernel\DataCollector\DataCollector; +use Symfony\Component\HttpKernel\DataCollector\LateDataCollectorInterface; + +/** + * @author Aaron Scherer <aequasi@gmail.com> + * @author Tobias Nyholm <tobias.nyholm@gmail.com> + * + * @final since Symfony 4.4 + */ +class CacheDataCollector extends DataCollector implements LateDataCollectorInterface +{ + /** + * @var TraceableAdapter[] + */ + private $instances = []; + + /** + * @param string $name + */ + public function addInstance($name, TraceableAdapter $instance) + { + $this->instances[$name] = $instance; + } + + /** + * {@inheritdoc} + * + * @param \Throwable|null $exception + */ + public function collect(Request $request, Response $response/*, \Throwable $exception = null*/) + { + $empty = ['calls' => [], 'config' => [], 'options' => [], 'statistics' => []]; + $this->data = ['instances' => $empty, 'total' => $empty]; + foreach ($this->instances as $name => $instance) { + $this->data['instances']['calls'][$name] = $instance->getCalls(); + } + + $this->data['instances']['statistics'] = $this->calculateStatistics(); + $this->data['total']['statistics'] = $this->calculateTotalStatistics(); + } + + public function reset() + { + $this->data = []; + foreach ($this->instances as $instance) { + $instance->clearCalls(); + } + } + + public function lateCollect() + { + $this->data = $this->cloneVar($this->data); + } + + /** + * {@inheritdoc} + */ + public function getName() + { + return 'cache'; + } + + /** + * Method returns amount of logged Cache reads: "get" calls. + * + * @return array + */ + public function getStatistics() + { + return $this->data['instances']['statistics']; + } + + /** + * Method returns the statistic totals. + * + * @return array + */ + public function getTotals() + { + return $this->data['total']['statistics']; + } + + /** + * Method returns all logged Cache call objects. + * + * @return mixed + */ + public function getCalls() + { + return $this->data['instances']['calls']; + } + + private function calculateStatistics(): array + { + $statistics = []; + foreach ($this->data['instances']['calls'] as $name => $calls) { + $statistics[$name] = [ + 'calls' => 0, + 'time' => 0, + 'reads' => 0, + 'writes' => 0, + 'deletes' => 0, + 'hits' => 0, + 'misses' => 0, + ]; + /** @var TraceableAdapterEvent $call */ + foreach ($calls as $call) { + ++$statistics[$name]['calls']; + $statistics[$name]['time'] += $call->end - $call->start; + if ('get' === $call->name) { + ++$statistics[$name]['reads']; + if ($call->hits) { + ++$statistics[$name]['hits']; + } else { + ++$statistics[$name]['misses']; + ++$statistics[$name]['writes']; + } + } elseif ('getItem' === $call->name) { + ++$statistics[$name]['reads']; + if ($call->hits) { + ++$statistics[$name]['hits']; + } else { + ++$statistics[$name]['misses']; + } + } elseif ('getItems' === $call->name) { + $statistics[$name]['reads'] += $call->hits + $call->misses; + $statistics[$name]['hits'] += $call->hits; + $statistics[$name]['misses'] += $call->misses; + } elseif ('hasItem' === $call->name) { + ++$statistics[$name]['reads']; + if (false === $call->result) { + ++$statistics[$name]['misses']; + } else { + ++$statistics[$name]['hits']; + } + } elseif ('save' === $call->name) { + ++$statistics[$name]['writes']; + } elseif ('deleteItem' === $call->name) { + ++$statistics[$name]['deletes']; + } + } + if ($statistics[$name]['reads']) { + $statistics[$name]['hit_read_ratio'] = round(100 * $statistics[$name]['hits'] / $statistics[$name]['reads'], 2); + } else { + $statistics[$name]['hit_read_ratio'] = null; + } + } + + return $statistics; + } + + private function calculateTotalStatistics(): array + { + $statistics = $this->getStatistics(); + $totals = [ + 'calls' => 0, + 'time' => 0, + 'reads' => 0, + 'writes' => 0, + 'deletes' => 0, + 'hits' => 0, + 'misses' => 0, + ]; + foreach ($statistics as $name => $values) { + foreach ($totals as $key => $value) { + $totals[$key] += $statistics[$name][$key]; + } + } + if ($totals['reads']) { + $totals['hit_read_ratio'] = round(100 * $totals['hits'] / $totals['reads'], 2); + } else { + $totals['hit_read_ratio'] = null; + } + + return $totals; + } +} |