class TimeDataCollector

class TimeDataCollector extends DataCollector implements LateDataCollectorInterface {
    public function __construct(?KernelInterface $kernel = null, ?Stopwatch $stopwatch = null) {
        $this->data = [
            'events' => [],
            'stopwatch_installed' => false,
            'start_time' => 0,
        ];
    }
    public function collect(Request $request, Response $response, ?\Throwable $exception = null) : void {
        if (null !== $this->kernel) {
            $startTime = $this->kernel
                ->getStartTime();
        }
        else {
            $startTime = $request->server
                ->get('REQUEST_TIME_FLOAT');
        }
        $this->data = [
            'token' => $request->attributes
                ->get('_stopwatch_token'),
            'start_time' => $startTime * 1000,
            'events' => [],
            'stopwatch_installed' => class_exists(Stopwatch::class, false),
        ];
    }
    public function reset() : void {
        $this->data = [
            'events' => [],
            'stopwatch_installed' => false,
            'start_time' => 0,
        ];
        $this->stopwatch?->reset();
    }
    public function lateCollect() : void {
        if (null !== $this->stopwatch && isset($this->data['token'])) {
            $this->setEvents($this->stopwatch
                ->getSectionEvents($this->data['token']));
        }
        unset($this->data['token']);
    }
    
    /**
     * @param StopwatchEvent[] $events The request events
     */
    public function setEvents(array $events) : void {
        foreach ($events as $event) {
            $event->ensureStopped();
        }
        $this->data['events'] = $events;
    }
    
    /**
     * @return StopwatchEvent[]
     */
    public function getEvents() : array {
        return $this->data['events'];
    }
    
    /**
     * Gets the request elapsed time.
     */
    public function getDuration() : float {
        if (!isset($this->data['events']['__section__'])) {
            return 0;
        }
        $lastEvent = $this->data['events']['__section__'];
        return $lastEvent->getOrigin() + $lastEvent->getDuration() - $this->getStartTime();
    }
    
    /**
     * Gets the initialization time.
     *
     * This is the time spent until the beginning of the request handling.
     */
    public function getInitTime() : float {
        if (!isset($this->data['events']['__section__'])) {
            return 0;
        }
        return $this->data['events']['__section__']
            ->getOrigin() - $this->getStartTime();
    }
    public function getStartTime() : float {
        return $this->data['start_time'];
    }
    public function isStopwatchInstalled() : bool {
        return $this->data['stopwatch_installed'];
    }
    public function getName() : string {
        return 'time';
    }

}