diff options
Diffstat (limited to 'assets/php/vendor/react/event-loop/src')
12 files changed, 2086 insertions, 0 deletions
diff --git a/assets/php/vendor/react/event-loop/src/ExtEvLoop.php b/assets/php/vendor/react/event-loop/src/ExtEvLoop.php new file mode 100644 index 0000000..74db6d0 --- /dev/null +++ b/assets/php/vendor/react/event-loop/src/ExtEvLoop.php @@ -0,0 +1,252 @@ +<?php + +namespace React\EventLoop; + +use Ev; +use EvIo; +use EvLoop; +use React\EventLoop\Tick\FutureTickQueue; +use React\EventLoop\Timer\Timer; +use SplObjectStorage; + +/** + * An `ext-ev` based event loop. + * + * This loop uses the [`ev` PECL extension](https://pecl.php.net/package/ev), + * that provides an interface to `libev` library. + * + * This loop is known to work with PHP 5.4 through PHP 7+. + * + * @see http://php.net/manual/en/book.ev.php + * @see https://bitbucket.org/osmanov/pecl-ev/overview + */ +class ExtEvLoop implements LoopInterface +{ + /** + * @var EvLoop + */ + private $loop; + + /** + * @var FutureTickQueue + */ + private $futureTickQueue; + + /** + * @var SplObjectStorage + */ + private $timers; + + /** + * @var EvIo[] + */ + private $readStreams = []; + + /** + * @var EvIo[] + */ + private $writeStreams = []; + + /** + * @var bool + */ + private $running; + + /** + * @var SignalsHandler + */ + private $signals; + + /** + * @var \EvSignal[] + */ + private $signalEvents = []; + + public function __construct() + { + $this->loop = new EvLoop(); + $this->futureTickQueue = new FutureTickQueue(); + $this->timers = new SplObjectStorage(); + $this->signals = new SignalsHandler(); + } + + public function addReadStream($stream, $listener) + { + $key = (int)$stream; + + if (isset($this->readStreams[$key])) { + return; + } + + $callback = $this->getStreamListenerClosure($stream, $listener); + $event = $this->loop->io($stream, Ev::READ, $callback); + $this->readStreams[$key] = $event; + } + + /** + * @param resource $stream + * @param callable $listener + * + * @return \Closure + */ + private function getStreamListenerClosure($stream, $listener) + { + return function () use ($stream, $listener) { + call_user_func($listener, $stream); + }; + } + + public function addWriteStream($stream, $listener) + { + $key = (int)$stream; + + if (isset($this->writeStreams[$key])) { + return; + } + + $callback = $this->getStreamListenerClosure($stream, $listener); + $event = $this->loop->io($stream, Ev::WRITE, $callback); + $this->writeStreams[$key] = $event; + } + + public function removeReadStream($stream) + { + $key = (int)$stream; + + if (!isset($this->readStreams[$key])) { + return; + } + + $this->readStreams[$key]->stop(); + unset($this->readStreams[$key]); + } + + public function removeWriteStream($stream) + { + $key = (int)$stream; + + if (!isset($this->writeStreams[$key])) { + return; + } + + $this->writeStreams[$key]->stop(); + unset($this->writeStreams[$key]); + } + + public function addTimer($interval, $callback) + { + $timer = new Timer($interval, $callback, false); + + $that = $this; + $timers = $this->timers; + $callback = function () use ($timer, $timers, $that) { + call_user_func($timer->getCallback(), $timer); + + if ($timers->contains($timer)) { + $that->cancelTimer($timer); + } + }; + + $event = $this->loop->timer($timer->getInterval(), 0.0, $callback); + $this->timers->attach($timer, $event); + + return $timer; + } + + public function addPeriodicTimer($interval, $callback) + { + $timer = new Timer($interval, $callback, true); + + $callback = function () use ($timer) { + call_user_func($timer->getCallback(), $timer); + }; + + $event = $this->loop->timer($interval, $interval, $callback); + $this->timers->attach($timer, $event); + + return $timer; + } + + public function cancelTimer(TimerInterface $timer) + { + if (!isset($this->timers[$timer])) { + return; + } + + $event = $this->timers[$timer]; + $event->stop(); + $this->timers->detach($timer); + } + + public function futureTick($listener) + { + $this->futureTickQueue->add($listener); + } + + public function run() + { + $this->running = true; + + while ($this->running) { + $this->futureTickQueue->tick(); + + $hasPendingCallbacks = !$this->futureTickQueue->isEmpty(); + $wasJustStopped = !$this->running; + $nothingLeftToDo = !$this->readStreams + && !$this->writeStreams + && !$this->timers->count() + && $this->signals->isEmpty(); + + $flags = Ev::RUN_ONCE; + if ($wasJustStopped || $hasPendingCallbacks) { + $flags |= Ev::RUN_NOWAIT; + } elseif ($nothingLeftToDo) { + break; + } + + $this->loop->run($flags); + } + } + + public function stop() + { + $this->running = false; + } + + public function __destruct() + { + /** @var TimerInterface $timer */ + foreach ($this->timers as $timer) { + $this->cancelTimer($timer); + } + + foreach ($this->readStreams as $key => $stream) { + $this->removeReadStream($key); + } + + foreach ($this->writeStreams as $key => $stream) { + $this->removeWriteStream($key); + } + } + + public function addSignal($signal, $listener) + { + $this->signals->add($signal, $listener); + + if (!isset($this->signalEvents[$signal])) { + $this->signalEvents[$signal] = $this->loop->signal($signal, function() use ($signal) { + $this->signals->call($signal); + }); + } + } + + public function removeSignal($signal, $listener) + { + $this->signals->remove($signal, $listener); + + if (isset($this->signalEvents[$signal])) { + $this->signalEvents[$signal]->stop(); + unset($this->signalEvents[$signal]); + } + } +} diff --git a/assets/php/vendor/react/event-loop/src/ExtEventLoop.php b/assets/php/vendor/react/event-loop/src/ExtEventLoop.php new file mode 100644 index 0000000..622dd47 --- /dev/null +++ b/assets/php/vendor/react/event-loop/src/ExtEventLoop.php @@ -0,0 +1,259 @@ +<?php + +namespace React\EventLoop; + +use BadMethodCallException; +use Event; +use EventBase; +use EventConfig as EventBaseConfig; +use React\EventLoop\Tick\FutureTickQueue; +use React\EventLoop\Timer\Timer; +use SplObjectStorage; + +/** + * An `ext-event` based event loop. + * + * This uses the [`event` PECL extension](https://pecl.php.net/package/event). + * It supports the same backends as libevent. + * + * This loop is known to work with PHP 5.4 through PHP 7+. + * + * @link https://pecl.php.net/package/event + */ +final class ExtEventLoop implements LoopInterface +{ + private $eventBase; + private $futureTickQueue; + private $timerCallback; + private $timerEvents; + private $streamCallback; + private $readEvents = array(); + private $writeEvents = array(); + private $readListeners = array(); + private $writeListeners = array(); + private $readRefs = array(); + private $writeRefs = array(); + private $running; + private $signals; + private $signalEvents = array(); + + public function __construct() + { + if (!class_exists('EventBase', false)) { + throw new BadMethodCallException('Cannot create ExtEventLoop, ext-event extension missing'); + } + + $config = new EventBaseConfig(); + $config->requireFeatures(EventBaseConfig::FEATURE_FDS); + + $this->eventBase = new EventBase($config); + $this->futureTickQueue = new FutureTickQueue(); + $this->timerEvents = new SplObjectStorage(); + $this->signals = new SignalsHandler(); + + $this->createTimerCallback(); + $this->createStreamCallback(); + } + + public function addReadStream($stream, $listener) + { + $key = (int) $stream; + if (isset($this->readListeners[$key])) { + return; + } + + $event = new Event($this->eventBase, $stream, Event::PERSIST | Event::READ, $this->streamCallback); + $event->add(); + $this->readEvents[$key] = $event; + $this->readListeners[$key] = $listener; + + // ext-event does not increase refcount on stream resources for PHP 7+ + // manually keep track of stream resource to prevent premature garbage collection + if (PHP_VERSION_ID >= 70000) { + $this->readRefs[$key] = $stream; + } + } + + public function addWriteStream($stream, $listener) + { + $key = (int) $stream; + if (isset($this->writeListeners[$key])) { + return; + } + + $event = new Event($this->eventBase, $stream, Event::PERSIST | Event::WRITE, $this->streamCallback); + $event->add(); + $this->writeEvents[$key] = $event; + $this->writeListeners[$key] = $listener; + + // ext-event does not increase refcount on stream resources for PHP 7+ + // manually keep track of stream resource to prevent premature garbage collection + if (PHP_VERSION_ID >= 70000) { + $this->writeRefs[$key] = $stream; + } + } + + public function removeReadStream($stream) + { + $key = (int) $stream; + + if (isset($this->readEvents[$key])) { + $this->readEvents[$key]->free(); + unset( + $this->readEvents[$key], + $this->readListeners[$key], + $this->readRefs[$key] + ); + } + } + + public function removeWriteStream($stream) + { + $key = (int) $stream; + + if (isset($this->writeEvents[$key])) { + $this->writeEvents[$key]->free(); + unset( + $this->writeEvents[$key], + $this->writeListeners[$key], + $this->writeRefs[$key] + ); + } + } + + public function addTimer($interval, $callback) + { + $timer = new Timer($interval, $callback, false); + + $this->scheduleTimer($timer); + + return $timer; + } + + public function addPeriodicTimer($interval, $callback) + { + $timer = new Timer($interval, $callback, true); + + $this->scheduleTimer($timer); + + return $timer; + } + + public function cancelTimer(TimerInterface $timer) + { + if ($this->timerEvents->contains($timer)) { + $this->timerEvents[$timer]->free(); + $this->timerEvents->detach($timer); + } + } + + public function futureTick($listener) + { + $this->futureTickQueue->add($listener); + } + + public function addSignal($signal, $listener) + { + $this->signals->add($signal, $listener); + + if (!isset($this->signalEvents[$signal])) { + $this->signalEvents[$signal] = Event::signal($this->eventBase, $signal, array($this->signals, 'call')); + $this->signalEvents[$signal]->add(); + } + } + + public function removeSignal($signal, $listener) + { + $this->signals->remove($signal, $listener); + + if (isset($this->signalEvents[$signal]) && $this->signals->count($signal) === 0) { + $this->signalEvents[$signal]->free(); + unset($this->signalEvents[$signal]); + } + } + + public function run() + { + $this->running = true; + + while ($this->running) { + $this->futureTickQueue->tick(); + + $flags = EventBase::LOOP_ONCE; + if (!$this->running || !$this->futureTickQueue->isEmpty()) { + $flags |= EventBase::LOOP_NONBLOCK; + } elseif (!$this->readEvents && !$this->writeEvents && !$this->timerEvents->count() && $this->signals->isEmpty()) { + break; + } + + $this->eventBase->loop($flags); + } + } + + public function stop() + { + $this->running = false; + } + + /** + * Schedule a timer for execution. + * + * @param TimerInterface $timer + */ + private function scheduleTimer(TimerInterface $timer) + { + $flags = Event::TIMEOUT; + + if ($timer->isPeriodic()) { + $flags |= Event::PERSIST; + } + + $event = new Event($this->eventBase, -1, $flags, $this->timerCallback, $timer); + $this->timerEvents[$timer] = $event; + + $event->add($timer->getInterval()); + } + + /** + * Create a callback used as the target of timer events. + * + * A reference is kept to the callback for the lifetime of the loop + * to prevent "Cannot destroy active lambda function" fatal error from + * the event extension. + */ + private function createTimerCallback() + { + $timers = $this->timerEvents; + $this->timerCallback = function ($_, $__, $timer) use ($timers) { + call_user_func($timer->getCallback(), $timer); + + if (!$timer->isPeriodic() && $timers->contains($timer)) { + $this->cancelTimer($timer); + } + }; + } + + /** + * Create a callback used as the target of stream events. + * + * A reference is kept to the callback for the lifetime of the loop + * to prevent "Cannot destroy active lambda function" fatal error from + * the event extension. + */ + private function createStreamCallback() + { + $read =& $this->readListeners; + $write =& $this->writeListeners; + $this->streamCallback = function ($stream, $flags) use (&$read, &$write) { + $key = (int) $stream; + + if (Event::READ === (Event::READ & $flags) && isset($read[$key])) { + call_user_func($read[$key], $stream); + } + + if (Event::WRITE === (Event::WRITE & $flags) && isset($write[$key])) { + call_user_func($write[$key], $stream); + } + }; + } +} diff --git a/assets/php/vendor/react/event-loop/src/ExtLibevLoop.php b/assets/php/vendor/react/event-loop/src/ExtLibevLoop.php new file mode 100644 index 0000000..d3b0df8 --- /dev/null +++ b/assets/php/vendor/react/event-loop/src/ExtLibevLoop.php @@ -0,0 +1,199 @@ +<?php + +namespace React\EventLoop; + +use BadMethodCallException; +use libev\EventLoop; +use libev\IOEvent; +use libev\SignalEvent; +use libev\TimerEvent; +use React\EventLoop\Tick\FutureTickQueue; +use React\EventLoop\Timer\Timer; +use SplObjectStorage; + +/** + * An `ext-libev` based event loop. + * + * This uses an [unofficial `libev` extension](https://github.com/m4rw3r/php-libev). + * It supports the same backends as libevent. + * + * This loop does only work with PHP 5. + * An update for PHP 7 is [unlikely](https://github.com/m4rw3r/php-libev/issues/8) + * to happen any time soon. + * + * @see https://github.com/m4rw3r/php-libev + * @see https://gist.github.com/1688204 + */ +final class ExtLibevLoop implements LoopInterface +{ + private $loop; + private $futureTickQueue; + private $timerEvents; + private $readEvents = array(); + private $writeEvents = array(); + private $running; + private $signals; + private $signalEvents = array(); + + public function __construct() + { + if (!class_exists('libev\EventLoop', false)) { + throw new BadMethodCallException('Cannot create ExtLibevLoop, ext-libev extension missing'); + } + + $this->loop = new EventLoop(); + $this->futureTickQueue = new FutureTickQueue(); + $this->timerEvents = new SplObjectStorage(); + $this->signals = new SignalsHandler(); + } + + public function addReadStream($stream, $listener) + { + if (isset($this->readEvents[(int) $stream])) { + return; + } + + $callback = function () use ($stream, $listener) { + call_user_func($listener, $stream); + }; + + $event = new IOEvent($callback, $stream, IOEvent::READ); + $this->loop->add($event); + + $this->readEvents[(int) $stream] = $event; + } + + public function addWriteStream($stream, $listener) + { + if (isset($this->writeEvents[(int) $stream])) { + return; + } + + $callback = function () use ($stream, $listener) { + call_user_func($listener, $stream); + }; + + $event = new IOEvent($callback, $stream, IOEvent::WRITE); + $this->loop->add($event); + + $this->writeEvents[(int) $stream] = $event; + } + + public function removeReadStream($stream) + { + $key = (int) $stream; + + if (isset($this->readEvents[$key])) { + $this->readEvents[$key]->stop(); + $this->loop->remove($this->readEvents[$key]); + unset($this->readEvents[$key]); + } + } + + public function removeWriteStream($stream) + { + $key = (int) $stream; + + if (isset($this->writeEvents[$key])) { + $this->writeEvents[$key]->stop(); + $this->loop->remove($this->writeEvents[$key]); + unset($this->writeEvents[$key]); + } + } + + public function addTimer($interval, $callback) + { + $timer = new Timer( $interval, $callback, false); + + $that = $this; + $timers = $this->timerEvents; + $callback = function () use ($timer, $timers, $that) { + call_user_func($timer->getCallback(), $timer); + + if ($timers->contains($timer)) { + $that->cancelTimer($timer); + } + }; + + $event = new TimerEvent($callback, $timer->getInterval()); + $this->timerEvents->attach($timer, $event); + $this->loop->add($event); + + return $timer; + } + + public function addPeriodicTimer($interval, $callback) + { + $timer = new Timer($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; + } + + public function cancelTimer(TimerInterface $timer) + { + if (isset($this->timerEvents[$timer])) { + $this->loop->remove($this->timerEvents[$timer]); + $this->timerEvents->detach($timer); + } + } + + public function futureTick($listener) + { + $this->futureTickQueue->add($listener); + } + + public function addSignal($signal, $listener) + { + $this->signals->add($signal, $listener); + + if (!isset($this->signalEvents[$signal])) { + $signals = $this->signals; + $this->signalEvents[$signal] = new SignalEvent(function () use ($signals, $signal) { + $signals->call($signal); + }, $signal); + $this->loop->add($this->signalEvents[$signal]); + } + } + + public function removeSignal($signal, $listener) + { + $this->signals->remove($signal, $listener); + + if (isset($this->signalEvents[$signal]) && $this->signals->count($signal) === 0) { + $this->signalEvents[$signal]->stop(); + $this->loop->remove($this->signalEvents[$signal]); + unset($this->signalEvents[$signal]); + } + } + + public function run() + { + $this->running = true; + + while ($this->running) { + $this->futureTickQueue->tick(); + + $flags = EventLoop::RUN_ONCE; + if (!$this->running || !$this->futureTickQueue->isEmpty()) { + $flags |= EventLoop::RUN_NOWAIT; + } elseif (!$this->readEvents && !$this->writeEvents && !$this->timerEvents->count() && $this->signals->isEmpty()) { + break; + } + + $this->loop->run($flags); + } + } + + public function stop() + { + $this->running = false; + } +} diff --git a/assets/php/vendor/react/event-loop/src/ExtLibeventLoop.php b/assets/php/vendor/react/event-loop/src/ExtLibeventLoop.php new file mode 100644 index 0000000..427f8db --- /dev/null +++ b/assets/php/vendor/react/event-loop/src/ExtLibeventLoop.php @@ -0,0 +1,283 @@ +<?php + +namespace React\EventLoop; + +use BadMethodCallException; +use Event; +use EventBase; +use React\EventLoop\Tick\FutureTickQueue; +use React\EventLoop\Timer\Timer; +use SplObjectStorage; + +/** + * An `ext-libevent` based event loop. + * + * This uses the [`libevent` PECL extension](https://pecl.php.net/package/libevent). + * `libevent` itself supports a number of system-specific backends (epoll, kqueue). + * + * This event loop does only work with PHP 5. + * An [unofficial update](https://github.com/php/pecl-event-libevent/pull/2) for + * PHP 7 does exist, but it is known to cause regular crashes due to `SEGFAULT`s. + * To reiterate: Using this event loop on PHP 7 is not recommended. + * Accordingly, the [`Factory`](#factory) will not try to use this event loop on + * PHP 7. + * + * This event loop is known to trigger a readable listener only if + * the stream *becomes* readable (edge-triggered) and may not trigger if the + * stream has already been readable from the beginning. + * This also implies that a stream may not be recognized as readable when data + * is still left in PHP's internal stream buffers. + * As such, it's recommended to use `stream_set_read_buffer($stream, 0);` + * to disable PHP's internal read buffer in this case. + * See also [`addReadStream()`](#addreadstream) for more details. + * + * @link https://pecl.php.net/package/libevent + */ +final class ExtLibeventLoop implements LoopInterface +{ + /** @internal */ + const MICROSECONDS_PER_SECOND = 1000000; + + private $eventBase; + private $futureTickQueue; + private $timerCallback; + private $timerEvents; + private $streamCallback; + private $readEvents = array(); + private $writeEvents = array(); + private $readListeners = array(); + private $writeListeners = array(); + private $running; + private $signals; + private $signalEvents = array(); + + public function __construct() + { + if (!function_exists('event_base_new')) { + throw new BadMethodCallException('Cannot create ExtLibeventLoop, ext-libevent extension missing'); + } + + $this->eventBase = event_base_new(); + $this->futureTickQueue = new FutureTickQueue(); + $this->timerEvents = new SplObjectStorage(); + $this->signals = new SignalsHandler(); + + $this->createTimerCallback(); + $this->createStreamCallback(); + } + + public function addReadStream($stream, $listener) + { + $key = (int) $stream; + if (isset($this->readListeners[$key])) { + return; + } + + $event = event_new(); + event_set($event, $stream, EV_PERSIST | EV_READ, $this->streamCallback); + event_base_set($event, $this->eventBase); + event_add($event); + + $this->readEvents[$key] = $event; + $this->readListeners[$key] = $listener; + } + + public function addWriteStream($stream, $listener) + { + $key = (int) $stream; + if (isset($this->writeListeners[$key])) { + return; + } + + $event = event_new(); + event_set($event, $stream, EV_PERSIST | EV_WRITE, $this->streamCallback); + event_base_set($event, $this->eventBase); + event_add($event); + + $this->writeEvents[$key] = $event; + $this->writeListeners[$key] = $listener; + } + + public function removeReadStream($stream) + { + $key = (int) $stream; + + if (isset($this->readListeners[$key])) { + $event = $this->readEvents[$key]; + event_del($event); + event_free($event); + + unset( + $this->readEvents[$key], + $this->readListeners[$key] + ); + } + } + + public function removeWriteStream($stream) + { + $key = (int) $stream; + + if (isset($this->writeListeners[$key])) { + $event = $this->writeEvents[$key]; + event_del($event); + event_free($event); + + unset( + $this->writeEvents[$key], + $this->writeListeners[$key] + ); + } + } + + public function addTimer($interval, $callback) + { + $timer = new Timer($interval, $callback, false); + + $this->scheduleTimer($timer); + + return $timer; + } + + public function addPeriodicTimer($interval, $callback) + { + $timer = new Timer($interval, $callback, true); + + $this->scheduleTimer($timer); + + return $timer; + } + + public function cancelTimer(TimerInterface $timer) + { + if ($this->timerEvents->contains($timer)) { + $event = $this->timerEvents[$timer]; + event_del($event); + event_free($event); + + $this->timerEvents->detach($timer); + } + } + + public function futureTick($listener) + { + $this->futureTickQueue->add($listener); + } + + public function addSignal($signal, $listener) + { + $this->signals->add($signal, $listener); + + if (!isset($this->signalEvents[$signal])) { + $this->signalEvents[$signal] = event_new(); + event_set($this->signalEvents[$signal], $signal, EV_PERSIST | EV_SIGNAL, array($this->signals, 'call')); + event_base_set($this->signalEvents[$signal], $this->eventBase); + event_add($this->signalEvents[$signal]); + } + } + + public function removeSignal($signal, $listener) + { + $this->signals->remove($signal, $listener); + + if (isset($this->signalEvents[$signal]) && $this->signals->count($signal) === 0) { + event_del($this->signalEvents[$signal]); + event_free($this->signalEvents[$signal]); + unset($this->signalEvents[$signal]); + } + } + + public function run() + { + $this->running = true; + + while ($this->running) { + $this->futureTickQueue->tick(); + + $flags = EVLOOP_ONCE; + if (!$this->running || !$this->futureTickQueue->isEmpty()) { + $flags |= EVLOOP_NONBLOCK; + } elseif (!$this->readEvents && !$this->writeEvents && !$this->timerEvents->count() && $this->signals->isEmpty()) { + break; + } + + event_base_loop($this->eventBase, $flags); + } + } + + public function stop() + { + $this->running = false; + } + + /** + * Schedule a timer for execution. + * + * @param TimerInterface $timer + */ + private function scheduleTimer(TimerInterface $timer) + { + $this->timerEvents[$timer] = $event = event_timer_new(); + + event_timer_set($event, $this->timerCallback, $timer); + event_base_set($event, $this->eventBase); + event_add($event, $timer->getInterval() * self::MICROSECONDS_PER_SECOND); + } + + /** + * Create a callback used as the target of timer events. + * + * A reference is kept to the callback for the lifetime of the loop + * to prevent "Cannot destroy active lambda function" fatal error from + * the event extension. + */ + private function createTimerCallback() + { + $that = $this; + $timers = $this->timerEvents; + $this->timerCallback = function ($_, $__, $timer) use ($timers, $that) { + call_user_func($timer->getCallback(), $timer); + + // Timer already cancelled ... + if (!$timers->contains($timer)) { + return; + } + + // Reschedule periodic timers ... + if ($timer->isPeriodic()) { + event_add( + $timers[$timer], + $timer->getInterval() * ExtLibeventLoop::MICROSECONDS_PER_SECOND + ); + + // Clean-up one shot timers ... + } else { + $that->cancelTimer($timer); + } + }; + } + + /** + * Create a callback used as the target of stream events. + * + * A reference is kept to the callback for the lifetime of the loop + * to prevent "Cannot destroy active lambda function" fatal error from + * the event extension. + */ + private function createStreamCallback() + { + $read =& $this->readListeners; + $write =& $this->writeListeners; + $this->streamCallback = function ($stream, $flags) use (&$read, &$write) { + $key = (int) $stream; + + if (EV_READ === (EV_READ & $flags) && isset($read[$key])) { + call_user_func($read[$key], $stream); + } + + if (EV_WRITE === (EV_WRITE & $flags) && isset($write[$key])) { + call_user_func($write[$key], $stream); + } + }; + } +} diff --git a/assets/php/vendor/react/event-loop/src/Factory.php b/assets/php/vendor/react/event-loop/src/Factory.php new file mode 100644 index 0000000..b46fc07 --- /dev/null +++ b/assets/php/vendor/react/event-loop/src/Factory.php @@ -0,0 +1,41 @@ +<?php + +namespace React\EventLoop; + +/** + * The `Factory` class exists as a convenient way to pick the best available event loop implementation. + */ +final class Factory +{ + /** + * Creates a new event loop instance + * + * ```php + * $loop = React\EventLoop\Factory::create(); + * ``` + * + * This method always returns an instance implementing `LoopInterface`, + * the actual event loop implementation is an implementation detail. + * + * This method should usually only be called once at the beginning of the program. + * + * @return LoopInterface + */ + public static function create() + { + // @codeCoverageIgnoreStart + if (class_exists('libev\EventLoop', false)) { + return new ExtLibevLoop(); + } elseif (class_exists('EvLoop', false)) { + return new ExtEvLoop(); + } elseif (class_exists('EventBase', false)) { + return new ExtEventLoop(); + } elseif (function_exists('event_base_new') && PHP_VERSION_ID < 70000) { + // only use ext-libevent on PHP < 7 for now + return new ExtLibeventLoop(); + } + + return new StreamSelectLoop(); + // @codeCoverageIgnoreEnd + } +} diff --git a/assets/php/vendor/react/event-loop/src/LoopInterface.php b/assets/php/vendor/react/event-loop/src/LoopInterface.php new file mode 100644 index 0000000..1cc8640 --- /dev/null +++ b/assets/php/vendor/react/event-loop/src/LoopInterface.php @@ -0,0 +1,463 @@ +<?php + +namespace React\EventLoop; + +interface LoopInterface +{ + /** + * [Advanced] Register a listener to be notified when a stream is ready to read. + * + * Note that this low-level API is considered advanced usage. + * Most use cases should probably use the higher-level + * [readable Stream API](https://github.com/reactphp/stream#readablestreaminterface) + * instead. + * + * The first parameter MUST be a valid stream resource that supports + * checking whether it is ready to read by this loop implementation. + * A single stream resource MUST NOT be added more than once. + * Instead, either call [`removeReadStream()`](#removereadstream) first or + * react to this event with a single listener and then dispatch from this + * listener. This method MAY throw an `Exception` if the given resource type + * is not supported by this loop implementation. + * + * The listener callback function MUST be able to accept a single parameter, + * the stream resource added by this method or you MAY use a function which + * has no parameters at all. + * + * The listener callback function MUST NOT throw an `Exception`. + * The return value of the listener callback function will be ignored and has + * no effect, so for performance reasons you're recommended to not return + * any excessive data structures. + * + * If you want to access any variables within your callback function, you + * can bind arbitrary data to a callback closure like this: + * + * ```php + * $loop->addReadStream($stream, function ($stream) use ($name) { + * echo $name . ' said: ' . fread($stream); + * }); + * ``` + * + * See also [example #11](examples). + * + * You can invoke [`removeReadStream()`](#removereadstream) to remove the + * read event listener for this stream. + * + * The execution order of listeners when multiple streams become ready at + * the same time is not guaranteed. + * + * @param resource $stream The PHP stream resource to check. + * @param callable $listener Invoked when the stream is ready. + * @throws \Exception if the given resource type is not supported by this loop implementation + * @see self::removeReadStream() + */ + public function addReadStream($stream, $listener); + + /** + * [Advanced] Register a listener to be notified when a stream is ready to write. + * + * Note that this low-level API is considered advanced usage. + * Most use cases should probably use the higher-level + * [writable Stream API](https://github.com/reactphp/stream#writablestreaminterface) + * instead. + * + * The first parameter MUST be a valid stream resource that supports + * checking whether it is ready to write by this loop implementation. + * A single stream resource MUST NOT be added more than once. + * Instead, either call [`removeWriteStream()`](#removewritestream) first or + * react to this event with a single listener and then dispatch from this + * listener. This method MAY throw an `Exception` if the given resource type + * is not supported by this loop implementation. + * + * The listener callback function MUST be able to accept a single parameter, + * the stream resource added by this method or you MAY use a function which + * has no parameters at all. + * + * The listener callback function MUST NOT throw an `Exception`. + * The return value of the listener callback function will be ignored and has + * no effect, so for performance reasons you're recommended to not return + * any excessive data structures. + * + * If you want to access any variables within your callback function, you + * can bind arbitrary data to a callback closure like this: + * + * ```php + * $loop->addWriteStream($stream, function ($stream) use ($name) { + * fwrite($stream, 'Hello ' . $name); + * }); + * ``` + * + * See also [example #12](examples). + * + * You can invoke [`removeWriteStream()`](#removewritestream) to remove the + * write event listener for this stream. + * + * The execution order of listeners when multiple streams become ready at + * the same time is not guaranteed. + * + * Some event loop implementations are known to only trigger the listener if + * the stream *becomes* readable (edge-triggered) and may not trigger if the + * stream has already been readable from the beginning. + * This also implies that a stream may not be recognized as readable when data + * is still left in PHP's internal stream buffers. + * As such, it's recommended to use `stream_set_read_buffer($stream, 0);` + * to disable PHP's internal read buffer in this case. + * + * @param resource $stream The PHP stream resource to check. + * @param callable $listener Invoked when the stream is ready. + * @throws \Exception if the given resource type is not supported by this loop implementation + * @see self::removeWriteStream() + */ + public function addWriteStream($stream, $listener); + + /** + * Remove the read event listener for the given stream. + * + * Removing a stream from the loop that has already been removed or trying + * to remove a stream that was never added or is invalid has no effect. + * + * @param resource $stream The PHP stream resource. + */ + public function removeReadStream($stream); + + /** + * Remove the write event listener for the given stream. + * + * Removing a stream from the loop that has already been removed or trying + * to remove a stream that was never added or is invalid has no effect. + * + * @param resource $stream The PHP stream resource. + */ + public function removeWriteStream($stream); + + /** + * Enqueue a callback to be invoked once after the given interval. + * + * The timer callback function MUST be able to accept a single parameter, + * the timer instance as also returned by this method or you MAY use a + * function which has no parameters at all. + * + * The timer callback function MUST NOT throw an `Exception`. + * The return value of the timer callback function will be ignored and has + * no effect, so for performance reasons you're recommended to not return + * any excessive data structures. + * + * Unlike [`addPeriodicTimer()`](#addperiodictimer), this method will ensure + * the callback will be invoked only once after the given interval. + * You can invoke [`cancelTimer`](#canceltimer) to cancel a pending timer. + * + * ```php + * $loop->addTimer(0.8, function () { + * echo 'world!' . PHP_EOL; + * }); + * + * $loop->addTimer(0.3, function () { + * echo 'hello '; + * }); + * ``` + * + * See also [example #1](examples). + * + * If you want to access any variables within your callback function, you + * can bind arbitrary data to a callback closure like this: + * + * ```php + * function hello($name, LoopInterface $loop) + * { + * $loop->addTimer(1.0, function () use ($name) { + * echo "hello $name\n"; + * }); + * } + * + * hello('Tester', $loop); + * ``` + * + * This interface does not enforce any particular timer resolution, so + * special care may have to be taken if you rely on very high precision with + * millisecond accuracy or below. Event loop implementations SHOULD work on + * a best effort basis and SHOULD provide at least millisecond accuracy + * unless otherwise noted. Many existing event loop implementations are + * known to provide microsecond accuracy, but it's generally not recommended + * to rely on this high precision. + * + * Similarly, the execution order of timers scheduled to execute at the + * same time (within its possible accuracy) is not guaranteed. + * + * This interface suggests that event loop implementations SHOULD use a + * monotonic time source if available. Given that a monotonic time source is + * not available on PHP by default, event loop implementations MAY fall back + * to using wall-clock time. + * While this does not affect many common use cases, this is an important + * distinction for programs that rely on a high time precision or on systems + * that are subject to discontinuous time adjustments (time jumps). + * This means that if you schedule a timer to trigger in 30s and then adjust + * your system time forward by 20s, the timer SHOULD still trigger in 30s. + * See also [event loop implementations](#loop-implementations) for more details. + * + * @param int|float $interval The number of seconds to wait before execution. + * @param callable $callback The callback to invoke. + * + * @return TimerInterface + */ + public function addTimer($interval, $callback); + + /** + * Enqueue a callback to be invoked repeatedly after the given interval. + * + * The timer callback function MUST be able to accept a single parameter, + * the timer instance as also returned by this method or you MAY use a + * function which has no parameters at all. + * + * The timer callback function MUST NOT throw an `Exception`. + * The return value of the timer callback function will be ignored and has + * no effect, so for performance reasons you're recommended to not return + * any excessive data structures. + * + * Unlike [`addTimer()`](#addtimer), this method will ensure the the + * callback will be invoked infinitely after the given interval or until you + * invoke [`cancelTimer`](#canceltimer). + * + * ```php + * $timer = $loop->addPeriodicTimer(0.1, function () { + * echo 'tick!' . PHP_EOL; + * }); + * + * $loop->addTimer(1.0, function () use ($loop, $timer) { + * $loop->cancelTimer($timer); + * echo 'Done' . PHP_EOL; + * }); + * ``` + * + * See also [example #2](examples). + * + * If you want to limit the number of executions, you can bind + * arbitrary data to a callback closure like this: + * + * ```php + * function hello($name, LoopInterface $loop) + * { + * $n = 3; + * $loop->addPeriodicTimer(1.0, function ($timer) use ($name, $loop, &$n) { + * if ($n > 0) { + * --$n; + * echo "hello $name\n"; + * } else { + * $loop->cancelTimer($timer); + * } + * }); + * } + * + * hello('Tester', $loop); + * ``` + * + * This interface does not enforce any particular timer resolution, so + * special care may have to be taken if you rely on very high precision with + * millisecond accuracy or below. Event loop implementations SHOULD work on + * a best effort basis and SHOULD provide at least millisecond accuracy + * unless otherwise noted. Many existing event loop implementations are + * known to provide microsecond accuracy, but it's generally not recommended + * to rely on this high precision. + * + * Similarly, the execution order of timers scheduled to execute at the + * same time (within its possible accuracy) is not guaranteed. + * + * This interface suggests that event loop implementations SHOULD use a + * monotonic time source if available. Given that a monotonic time source is + * not available on PHP by default, event loop implementations MAY fall back + * to using wall-clock time. + * While this does not affect many common use cases, this is an important + * distinction for programs that rely on a high time precision or on systems + * that are subject to discontinuous time adjustments (time jumps). + * This means that if you schedule a timer to trigger in 30s and then adjust + * your system time forward by 20s, the timer SHOULD still trigger in 30s. + * See also [event loop implementations](#loop-implementations) for more details. + * + * Additionally, periodic timers may be subject to timer drift due to + * re-scheduling after each invocation. As such, it's generally not + * recommended to rely on this for high precision intervals with millisecond + * accuracy or below. + * + * @param int|float $interval The number of seconds to wait before execution. + * @param callable $callback The callback to invoke. + * + * @return TimerInterface + */ + public function addPeriodicTimer($interval, $callback); + + /** + * Cancel a pending timer. + * + * See also [`addPeriodicTimer()`](#addperiodictimer) and [example #2](examples). + * + * Calling this method on a timer instance that has not been added to this + * loop instance or on a timer that has already been cancelled has no effect. + * + * @param TimerInterface $timer The timer to cancel. + * + * @return void + */ + public function cancelTimer(TimerInterface $timer); + + /** + * Schedule a callback to be invoked on a future tick of the event loop. + * + * This works very much similar to timers with an interval of zero seconds, + * but does not require the overhead of scheduling a timer queue. + * + * The tick callback function MUST be able to accept zero parameters. + * + * The tick callback function MUST NOT throw an `Exception`. + * The return value of the tick callback function will be ignored and has + * no effect, so for performance reasons you're recommended to not return + * any excessive data structures. + * + * If you want to access any variables within your callback function, you + * can bind arbitrary data to a callback closure like this: + * + * ```php + * function hello($name, LoopInterface $loop) + * { + * $loop->futureTick(function () use ($name) { + * echo "hello $name\n"; + * }); + * } + * + * hello('Tester', $loop); + * ``` + * + * Unlike timers, tick callbacks are guaranteed to be executed in the order + * they are enqueued. + * Also, once a callback is enqueued, there's no way to cancel this operation. + * + * This is often used to break down bigger tasks into smaller steps (a form + * of cooperative multitasking). + * + * ```php + * $loop->futureTick(function () { + * echo 'b'; + * }); + * $loop->futureTick(function () { + * echo 'c'; + * }); + * echo 'a'; + * ``` + * + * See also [example #3](examples). + * + * @param callable $listener The callback to invoke. + * + * @return void + */ + public function futureTick($listener); + + /** + * Register a listener to be notified when a signal has been caught by this process. + * + * This is useful to catch user interrupt signals or shutdown signals from + * tools like `supervisor` or `systemd`. + * + * The listener callback function MUST be able to accept a single parameter, + * the signal added by this method or you MAY use a function which + * has no parameters at all. + * + * The listener callback function MUST NOT throw an `Exception`. + * The return value of the listener callback function will be ignored and has + * no effect, so for performance reasons you're recommended to not return + * any excessive data structures. + * + * ```php + * $loop->addSignal(SIGINT, function (int $signal) { + * echo 'Caught user interrupt signal' . PHP_EOL; + * }); + * ``` + * + * See also [example #4](examples). + * + * Signaling is only available on Unix-like platform, Windows isn't + * supported due to operating system limitations. + * This method may throw a `BadMethodCallException` if signals aren't + * supported on this platform, for example when required extensions are + * missing. + * + * **Note: A listener can only be added once to the same signal, any + * attempts to add it more then once will be ignored.** + * + * @param int $signal + * @param callable $listener + * + * @throws \BadMethodCallException when signals aren't supported on this + * platform, for example when required extensions are missing. + * + * @return void + */ + public function addSignal($signal, $listener); + + /** + * Removes a previously added signal listener. + * + * ```php + * $loop->removeSignal(SIGINT, $listener); + * ``` + * + * Any attempts to remove listeners that aren't registered will be ignored. + * + * @param int $signal + * @param callable $listener + * + * @return void + */ + public function removeSignal($signal, $listener); + + /** + * Run the event loop until there are no more tasks to perform. + * + * For many applications, this method is the only directly visible + * invocation on the event loop. + * As a rule of thumb, it is usally recommended to attach everything to the + * same loop instance and then run the loop once at the bottom end of the + * application. + * + * ```php + * $loop->run(); + * ``` + * + * This method will keep the loop running until there are no more tasks + * to perform. In other words: This method will block until the last + * timer, stream and/or signal has been removed. + * + * Likewise, it is imperative to ensure the application actually invokes + * this method once. Adding listeners to the loop and missing to actually + * run it will result in the application exiting without actually waiting + * for any of the attached listeners. + * + * This method MUST NOT be called while the loop is already running. + * This method MAY be called more than once after it has explicity been + * [`stop()`ped](#stop) or after it automatically stopped because it + * previously did no longer have anything to do. + * + * @return void + */ + public function run(); + + /** + * Instruct a running event loop to stop. + * + * This method is considered advanced usage and should be used with care. + * As a rule of thumb, it is usually recommended to let the loop stop + * only automatically when it no longer has anything to do. + * + * This method can be used to explicitly instruct the event loop to stop: + * + * ```php + * $loop->addTimer(3.0, function () use ($loop) { + * $loop->stop(); + * }); + * ``` + * + * Calling this method on a loop instance that is not currently running or + * on a loop instance that has already been stopped has no effect. + * + * @return void + */ + public function stop(); +} diff --git a/assets/php/vendor/react/event-loop/src/SignalsHandler.php b/assets/php/vendor/react/event-loop/src/SignalsHandler.php new file mode 100644 index 0000000..523e1ca --- /dev/null +++ b/assets/php/vendor/react/event-loop/src/SignalsHandler.php @@ -0,0 +1,63 @@ +<?php + +namespace React\EventLoop; + +/** + * @internal + */ +final class SignalsHandler +{ + private $signals = array(); + + public function add($signal, $listener) + { + if (!isset($this->signals[$signal])) { + $this->signals[$signal] = array(); + } + + if (in_array($listener, $this->signals[$signal])) { + return; + } + + $this->signals[$signal][] = $listener; + } + + public function remove($signal, $listener) + { + if (!isset($this->signals[$signal])) { + return; + } + + $index = \array_search($listener, $this->signals[$signal], true); + unset($this->signals[$signal][$index]); + + if (isset($this->signals[$signal]) && \count($this->signals[$signal]) === 0) { + unset($this->signals[$signal]); + } + } + + public function call($signal) + { + if (!isset($this->signals[$signal])) { + return; + } + + foreach ($this->signals[$signal] as $listener) { + \call_user_func($listener, $signal); + } + } + + public function count($signal) + { + if (!isset($this->signals[$signal])) { + return 0; + } + + return \count($this->signals[$signal]); + } + + public function isEmpty() + { + return !$this->signals; + } +} diff --git a/assets/php/vendor/react/event-loop/src/StreamSelectLoop.php b/assets/php/vendor/react/event-loop/src/StreamSelectLoop.php new file mode 100644 index 0000000..e82e9e4 --- /dev/null +++ b/assets/php/vendor/react/event-loop/src/StreamSelectLoop.php @@ -0,0 +1,275 @@ +<?php + +namespace React\EventLoop; + +use React\EventLoop\Signal\Pcntl; +use React\EventLoop\Tick\FutureTickQueue; +use React\EventLoop\Timer\Timer; +use React\EventLoop\Timer\Timers; + +/** + * A `stream_select()` based event loop. + * + * This uses the [`stream_select()`](http://php.net/manual/en/function.stream-select.php) + * function and is the only implementation which works out of the box with PHP. + * + * This event loop works out of the box on PHP 5.4 through PHP 7+ and HHVM. + * This means that no installation is required and this library works on all + * platforms and supported PHP versions. + * Accordingly, the [`Factory`](#factory) will use this event loop by default if + * you do not install any of the event loop extensions listed below. + * + * Under the hood, it does a simple `select` system call. + * This system call is limited to the maximum file descriptor number of + * `FD_SETSIZE` (platform dependent, commonly 1024) and scales with `O(m)` + * (`m` being the maximum file descriptor number passed). + * This means that you may run into issues when handling thousands of streams + * concurrently and you may want to look into using one of the alternative + * event loop implementations listed below in this case. + * If your use case is among the many common use cases that involve handling only + * dozens or a few hundred streams at once, then this event loop implementation + * performs really well. + * + * If you want to use signal handling (see also [`addSignal()`](#addsignal) below), + * this event loop implementation requires `ext-pcntl`. + * This extension is only available for Unix-like platforms and does not support + * Windows. + * It is commonly installed as part of many PHP distributions. + * If this extension is missing (or you're running on Windows), signal handling is + * not supported and throws a `BadMethodCallException` instead. + * + * This event loop is known to rely on wall-clock time to schedule future + * timers, because a monotonic time source is not available in PHP by default. + * While this does not affect many common use cases, this is an important + * distinction for programs that rely on a high time precision or on systems + * that are subject to discontinuous time adjustments (time jumps). + * This means that if you schedule a timer to trigger in 30s and then adjust + * your system time forward by 20s, the timer may trigger in 10s. + * See also [`addTimer()`](#addtimer) for more details. + * + * @link http://php.net/manual/en/function.stream-select.php + */ +final class StreamSelectLoop implements LoopInterface +{ + /** @internal */ + const MICROSECONDS_PER_SECOND = 1000000; + + private $futureTickQueue; + private $timers; + private $readStreams = array(); + private $readListeners = array(); + private $writeStreams = array(); + private $writeListeners = array(); + private $running; + private $pcntl = false; + private $signals; + + public function __construct() + { + $this->futureTickQueue = new FutureTickQueue(); + $this->timers = new Timers(); + $this->pcntl = extension_loaded('pcntl'); + $this->signals = new SignalsHandler(); + } + + public function addReadStream($stream, $listener) + { + $key = (int) $stream; + + if (!isset($this->readStreams[$key])) { + $this->readStreams[$key] = $stream; + $this->readListeners[$key] = $listener; + } + } + + public function addWriteStream($stream, $listener) + { + $key = (int) $stream; + + if (!isset($this->writeStreams[$key])) { + $this->writeStreams[$key] = $stream; + $this->writeListeners[$key] = $listener; + } + } + + public function removeReadStream($stream) + { + $key = (int) $stream; + + unset( + $this->readStreams[$key], + $this->readListeners[$key] + ); + } + + public function removeWriteStream($stream) + { + $key = (int) $stream; + + unset( + $this->writeStreams[$key], + $this->writeListeners[$key] + ); + } + + public function addTimer($interval, $callback) + { + $timer = new Timer($interval, $callback, false); + + $this->timers->add($timer); + + return $timer; + } + + public function addPeriodicTimer($interval, $callback) + { + $timer = new Timer($interval, $callback, true); + + $this->timers->add($timer); + + return $timer; + } + + public function cancelTimer(TimerInterface $timer) + { + $this->timers->cancel($timer); + } + + public function futureTick($listener) + { + $this->futureTickQueue->add($listener); + } + + public function addSignal($signal, $listener) + { + if ($this->pcntl === false) { + throw new \BadMethodCallException('Event loop feature "signals" isn\'t supported by the "StreamSelectLoop"'); + } + + $first = $this->signals->count($signal) === 0; + $this->signals->add($signal, $listener); + + if ($first) { + \pcntl_signal($signal, array($this->signals, 'call')); + } + } + + public function removeSignal($signal, $listener) + { + if (!$this->signals->count($signal)) { + return; + } + + $this->signals->remove($signal, $listener); + + if ($this->signals->count($signal) === 0) { + \pcntl_signal($signal, SIG_DFL); + } + } + + public function run() + { + $this->running = true; + + while ($this->running) { + $this->futureTickQueue->tick(); + + $this->timers->tick(); + + // Future-tick queue has pending callbacks ... + if (!$this->running || !$this->futureTickQueue->isEmpty()) { + $timeout = 0; + + // There is a pending timer, only block until it is due ... + } elseif ($scheduledAt = $this->timers->getFirst()) { + $timeout = $scheduledAt - $this->timers->getTime(); + if ($timeout < 0) { + $timeout = 0; + } else { + // Convert float seconds to int microseconds. + // Ensure we do not exceed maximum integer size, which may + // cause the loop to tick once every ~35min on 32bit systems. + $timeout *= self::MICROSECONDS_PER_SECOND; + $timeout = $timeout > PHP_INT_MAX ? PHP_INT_MAX : (int)$timeout; + } + + // The only possible event is stream or signal activity, so wait forever ... + } elseif ($this->readStreams || $this->writeStreams || !$this->signals->isEmpty()) { + $timeout = null; + + // There's nothing left to do ... + } else { + break; + } + + $this->waitForStreamActivity($timeout); + } + } + + public function stop() + { + $this->running = false; + } + + /** + * Wait/check for stream activity, or until the next timer is due. + * + * @param integer|null $timeout Activity timeout in microseconds, or null to wait forever. + */ + private function waitForStreamActivity($timeout) + { + $read = $this->readStreams; + $write = $this->writeStreams; + + $available = $this->streamSelect($read, $write, $timeout); + if ($this->pcntl) { + \pcntl_signal_dispatch(); + } + if (false === $available) { + // if a system call has been interrupted, + // we cannot rely on it's outcome + return; + } + + foreach ($read as $stream) { + $key = (int) $stream; + + if (isset($this->readListeners[$key])) { + call_user_func($this->readListeners[$key], $stream); + } + } + + foreach ($write as $stream) { + $key = (int) $stream; + + if (isset($this->writeListeners[$key])) { + call_user_func($this->writeListeners[$key], $stream); + } + } + } + + /** + * Emulate a stream_select() implementation that does not break when passed + * empty stream arrays. + * + * @param array &$read An array of read streams to select upon. + * @param array &$write An array of write streams to select upon. + * @param integer|null $timeout Activity timeout in microseconds, or null to wait forever. + * + * @return integer|false The total number of streams that are ready for read/write. + * Can return false if stream_select() is interrupted by a signal. + */ + private function streamSelect(array &$read, array &$write, $timeout) + { + if ($read || $write) { + $except = null; + + // suppress warnings that occur, when stream_select is interrupted by a signal + return @stream_select($read, $write, $except, $timeout === null ? null : 0, $timeout); + } + + $timeout && usleep($timeout); + + return 0; + } +} diff --git a/assets/php/vendor/react/event-loop/src/Tick/FutureTickQueue.php b/assets/php/vendor/react/event-loop/src/Tick/FutureTickQueue.php new file mode 100644 index 0000000..c79afc5 --- /dev/null +++ b/assets/php/vendor/react/event-loop/src/Tick/FutureTickQueue.php @@ -0,0 +1,60 @@ +<?php + +namespace React\EventLoop\Tick; + +use SplQueue; + +/** + * A tick queue implementation that can hold multiple callback functions + * + * This class should only be used internally, see LoopInterface instead. + * + * @see LoopInterface + * @internal + */ +final class FutureTickQueue +{ + private $queue; + + public function __construct() + { + $this->queue = new SplQueue(); + } + + /** + * Add a callback to be invoked on a future tick of the event loop. + * + * Callbacks are guaranteed to be executed in the order they are enqueued. + * + * @param callable $listener The callback to invoke. + */ + public function add($listener) + { + $this->queue->enqueue($listener); + } + + /** + * Flush the callback queue. + */ + public function tick() + { + // Only invoke as many callbacks as were on the queue when tick() was called. + $count = $this->queue->count(); + + while ($count--) { + call_user_func( + $this->queue->dequeue() + ); + } + } + + /** + * Check if the next tick queue is empty. + * + * @return boolean + */ + public function isEmpty() + { + return $this->queue->isEmpty(); + } +} diff --git a/assets/php/vendor/react/event-loop/src/Timer/Timer.php b/assets/php/vendor/react/event-loop/src/Timer/Timer.php new file mode 100644 index 0000000..da3602a --- /dev/null +++ b/assets/php/vendor/react/event-loop/src/Timer/Timer.php @@ -0,0 +1,55 @@ +<?php + +namespace React\EventLoop\Timer; + +use React\EventLoop\TimerInterface; + +/** + * The actual connection implementation for TimerInterface + * + * This class should only be used internally, see TimerInterface instead. + * + * @see TimerInterface + * @internal + */ +final class Timer implements TimerInterface +{ + const MIN_INTERVAL = 0.000001; + + private $interval; + private $callback; + private $periodic; + + /** + * Constructor initializes the fields of the Timer + * + * @param float $interval The interval after which this timer will execute, in seconds + * @param callable $callback The callback that will be executed when this timer elapses + * @param bool $periodic Whether the time is periodic + */ + public function __construct($interval, $callback, $periodic = false) + { + if ($interval < self::MIN_INTERVAL) { + $interval = self::MIN_INTERVAL; + } + + $this->interval = (float) $interval; + $this->callback = $callback; + $this->periodic = (bool) $periodic; + } + + public function getInterval() + { + return $this->interval; + } + + public function getCallback() + { + return $this->callback; + } + + public function isPeriodic() + { + return $this->periodic; + } +} diff --git a/assets/php/vendor/react/event-loop/src/Timer/Timers.php b/assets/php/vendor/react/event-loop/src/Timer/Timers.php new file mode 100644 index 0000000..17bbdac --- /dev/null +++ b/assets/php/vendor/react/event-loop/src/Timer/Timers.php @@ -0,0 +1,109 @@ +<?php + +namespace React\EventLoop\Timer; + +use React\EventLoop\TimerInterface; +use SplObjectStorage; +use SplPriorityQueue; + +/** + * A scheduler implementation that can hold multiple timer instances + * + * This class should only be used internally, see TimerInterface instead. + * + * @see TimerInterface + * @internal + */ +final class Timers +{ + private $time; + private $timers; + private $scheduler; + + public function __construct() + { + $this->timers = new SplObjectStorage(); + $this->scheduler = new SplPriorityQueue(); + } + + public function updateTime() + { + return $this->time = microtime(true); + } + + public function getTime() + { + return $this->time ?: $this->updateTime(); + } + + public function add(TimerInterface $timer) + { + $interval = $timer->getInterval(); + $scheduledAt = $interval + microtime(true); + + $this->timers->attach($timer, $scheduledAt); + $this->scheduler->insert($timer, -$scheduledAt); + } + + public function contains(TimerInterface $timer) + { + return $this->timers->contains($timer); + } + + public function cancel(TimerInterface $timer) + { + $this->timers->detach($timer); + } + + public function getFirst() + { + while ($this->scheduler->count()) { + $timer = $this->scheduler->top(); + + if ($this->timers->contains($timer)) { + return $this->timers[$timer]; + } + + $this->scheduler->extract(); + } + + return null; + } + + public function isEmpty() + { + return count($this->timers) === 0; + } + + public function tick() + { + $time = $this->updateTime(); + $timers = $this->timers; + $scheduler = $this->scheduler; + + while (!$scheduler->isEmpty()) { + $timer = $scheduler->top(); + + if (!isset($timers[$timer])) { + $scheduler->extract(); + $timers->detach($timer); + + continue; + } + + if ($timers[$timer] >= $time) { + break; + } + + $scheduler->extract(); + call_user_func($timer->getCallback(), $timer); + + if ($timer->isPeriodic() && isset($timers[$timer])) { + $timers[$timer] = $scheduledAt = $timer->getInterval() + $time; + $scheduler->insert($timer, -$scheduledAt); + } else { + $timers->detach($timer); + } + } + } +} diff --git a/assets/php/vendor/react/event-loop/src/TimerInterface.php b/assets/php/vendor/react/event-loop/src/TimerInterface.php new file mode 100644 index 0000000..cdcf773 --- /dev/null +++ b/assets/php/vendor/react/event-loop/src/TimerInterface.php @@ -0,0 +1,27 @@ +<?php + +namespace React\EventLoop; + +interface TimerInterface +{ + /** + * Get the interval after which this timer will execute, in seconds + * + * @return float + */ + public function getInterval(); + + /** + * Get the callback that will be executed when this timer elapses + * + * @return callable + */ + public function getCallback(); + + /** + * Determine whether the time is periodic + * + * @return bool + */ + public function isPeriodic(); +} |