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<?php |
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namespace DJStarCOM\ServerTiming; |
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use Symfony\Component\Stopwatch\Stopwatch; |
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class ServerTiming |
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{ |
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/** @var Stopwatch */ |
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protected $stopwatch; |
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/** @var array */ |
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protected $finishedEvents = []; |
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/** @var array */ |
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protected $startedEvents = []; |
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/** |
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* ServerTiming constructor. |
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* @param Stopwatch $stopwatch |
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*/ |
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public function __construct(Stopwatch $stopwatch) |
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{ |
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$this->stopwatch = $stopwatch; |
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} |
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/** |
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* Add metric |
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* @param string $metric |
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* @return $this |
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*/ |
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public function addMetric(string $metric) |
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{ |
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$this->finishedEvents[$metric] = null; |
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return $this; |
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} |
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/** |
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* Has started event |
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* @param string $key |
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* @return bool |
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*/ |
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public function hasStartedEvent(string $key): bool |
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{ |
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return array_key_exists($key, $this->startedEvents); |
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} |
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/** |
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* Measure |
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* @param string $key |
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* @return $this |
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*/ |
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public function measure(string $key) |
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{ |
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if (! $this->hasStartedEvent($key)) { |
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return $this->start($key); |
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} |
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return $this->stop($key); |
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} |
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/** |
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* Start watching |
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* @param string $key |
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* @return $this |
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*/ |
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public function start(string $key) |
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{ |
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$this->stopwatch->start($key); |
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$this->startedEvents[$key] = true; |
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return $this; |
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} |
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/** |
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* Stop watching |
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* @param string $key |
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* @return $this |
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*/ |
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public function stop(string $key) |
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{ |
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if ($this->stopwatch->isStarted($key)) { |
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$event = $this->stopwatch->stop($key); |
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$this->setDuration($key, $event->getDuration()); |
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unset($this->startedEvents[$key]); |
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} |
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return $this; |
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} |
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/** |
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* Stop all unfinished events |
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*/ |
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public function stopAllUnfinishedEvents() |
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{ |
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foreach (array_keys($this->startedEvents) as $startedEventName) { |
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$this->stop($startedEventName); |
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} |
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} |
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/** |
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* Set event duration |
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* @param string $key |
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* @param $duration |
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* @return $this |
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*/ |
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public function setDuration(string $key, $duration) |
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{ |
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if (is_callable($duration)) { |
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$this->start($key); |
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call_user_func($duration); |
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$this->stop($key); |
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} else { |
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$this->finishedEvents[$key] = $duration; |
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} |
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return $this; |
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} |
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/** |
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* Get event duration |
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* @param string $key |
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* @return mixed|null |
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*/ |
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public function getDuration(string $key) |
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{ |
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return $this->finishedEvents[$key] ?? null; |
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} |
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/** |
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* Get all events |
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* @return array |
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*/ |
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public function events(): array |
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{ |
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return $this->finishedEvents; |
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} |
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} |
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DJStarCOM /
laravel-server-timing
