PHP Dosya Yöneticisi

<?php

namespace React\EventLoop;

use libev\EventLoop;
use libev\IOEvent;
use libev\TimerEvent;
use React\EventLoop\Tick\FutureTickQueue;
use React\EventLoop\Tick\NextTickQueue;
use React\EventLoop\Timer\Timer;
use React\EventLoop\Timer\TimerInterface;
use SplObjectStorage;

/**
 * @see https://github.com/m4rw3r/php-libev
 * @see https://gist.github.com/1688204
 */
class LibEvLoop implements LoopInterface
{
    private $loop;
    private $nextTickQueue;
    private $futureTickQueue;
    private $timerEvents;
    private $readEvents = [];
    private $writeEvents = [];
    private $running;

public function __construct()
    {
        $this->loop = new EventLoop();
        $this->nextTickQueue = new NextTickQueue($this);
        $this->futureTickQueue = new FutureTickQueue($this);
        $this->timerEvents = new SplObjectStorage();
    }

/**
     * {@inheritdoc}
     */
    public function addReadStream($stream, callable $listener)
    {
        if (isset($this->readEvents[(int) $stream])) {
            return;
        }

$callback = function () use ($stream, $listener) {
            call_user_func($listener, $stream, $this);
        };

$event = new IOEvent($callback, $stream, IOEvent::READ);
        $this->loop->add($event);

$this->readEvents[(int) $stream] = $event;
    }

/**
     * {@inheritdoc}
     */
    public function addWriteStream($stream, callable $listener)
    {
        if (isset($this->writeEvents[(int) $stream])) {
            return;
        }

$callback = function () use ($stream, $listener) {
            call_user_func($listener, $stream, $this);
        };

$event = new IOEvent($callback, $stream, IOEvent::WRITE);
        $this->loop->add($event);

$this->writeEvents[(int) $stream] = $event;
    }

/**
     * {@inheritdoc}
     */
    public function removeReadStream($stream)
    {
        $key = (int) $stream;

if (isset($this->readEvents[$key])) {
            $this->readEvents[$key]->stop();
            unset($this->readEvents[$key]);
        }
    }

/**
     * {@inheritdoc}
     */
    public function removeWriteStream($stream)
    {
        $key = (int) $stream;

if (isset($this->writeEvents[$key])) {
            $this->writeEvents[$key]->stop();
            unset($this->writeEvents[$key]);
        }
    }

/**
     * {@inheritdoc}
     */
    public function removeStream($stream)
    {
        $this->removeReadStream($stream);
        $this->removeWriteStream($stream);
    }

/**
     * {@inheritdoc}
     */
    public function addTimer($interval, callable $callback)
    {
        $timer = new Timer($this, $interval, $callback, false);

$callback = function () use ($timer) {
            call_user_func($timer->getCallback(), $timer);

if ($this->isTimerActive($timer)) {
                $this->cancelTimer($timer);
            }
        };

$event = new TimerEvent($callback, $timer->getInterval());
        $this->timerEvents->attach($timer, $event);
        $this->loop->add($event);

return $timer;
    }

/**
     * {@inheritdoc}
     */
    public function addPeriodicTimer($interval, callable $callback)
    {
        $timer = new Timer($this, $interval, $callback, true);

$callback = function () use ($timer) {
            call_user_func($timer->getCallback(), $timer);
        };

$event = new TimerEvent($callback, $interval, $interval);
        $this->timerEvents->attach($timer, $event);
        $this->loop->add($event);

return $timer;
    }

/**
     * {@inheritdoc}
     */
    public function cancelTimer(TimerInterface $timer)
    {
        if (isset($this->timerEvents[$timer])) {
            $this->loop->remove($this->timerEvents[$timer]);
            $this->timerEvents->detach($timer);
        }
    }

/**
     * {@inheritdoc}
     */
    public function isTimerActive(TimerInterface $timer)
    {
        return $this->timerEvents->contains($timer);
    }

/**
     * {@inheritdoc}
     */
    public function nextTick(callable $listener)
    {
        $this->nextTickQueue->add($listener);
    }

/**
     * {@inheritdoc}
     */
    public function futureTick(callable $listener)
    {
        $this->futureTickQueue->add($listener);
    }

/**
     * {@inheritdoc}
     */
    public function tick()
    {
        $this->nextTickQueue->tick();

$this->futureTickQueue->tick();

$this->loop->run(EventLoop::RUN_ONCE | EventLoop::RUN_NOWAIT);
    }

/**
     * {@inheritdoc}
     */
    public function run()
    {
        $this->running = true;

while ($this->running) {
            $this->nextTickQueue->tick();

$this->futureTickQueue->tick();

$flags = EventLoop::RUN_ONCE;
            if (!$this->running || !$this->nextTickQueue->isEmpty() || !$this->futureTickQueue->isEmpty()) {
                $flags |= EventLoop::RUN_NOWAIT;
            } elseif (!$this->readEvents && !$this->writeEvents && !$this->timerEvents->count()) {
                break;
            }

$this->loop->run($flags);
        }
    }

/**
     * {@inheritdoc}
     */
    public function stop()
    {
        $this->running = false;
    }
}

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📝 LibEvLoop.php

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