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Merge pull request #58 from darkwood-com/php-parallel
✨ Add ParallelDriver
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,205 @@ | ||
<?php | ||
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declare(strict_types=1); | ||
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namespace Flow\Driver; | ||
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use Closure; | ||
use Flow\DriverInterface; | ||
use Flow\Event; | ||
use Flow\Event\AsyncEvent; | ||
use Flow\Event\PopEvent; | ||
use Flow\Event\PullEvent; | ||
use Flow\Event\PushEvent; | ||
use Flow\Exception\RuntimeException; | ||
use Flow\Ip; | ||
use Flow\JobInterface; | ||
use parallel\Runtime; | ||
use RuntimeException as NativeRuntimeException; | ||
use Throwable; | ||
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use function array_key_exists; | ||
use function count; | ||
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/** | ||
* @template TArgs | ||
* @template TReturn | ||
* | ||
* @implements DriverInterface<TArgs,TReturn> | ||
*/ | ||
class ParallelDriver implements DriverInterface | ||
{ | ||
use DriverTrait; | ||
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/** | ||
* @var array<mixed> | ||
*/ | ||
private array $ticks = []; | ||
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public function __construct() | ||
{ | ||
if (!class_exists(Runtime::class)) { | ||
throw new NativeRuntimeException('Parallel extension is not loaded. Suggest install it with pecl install parallel'); | ||
} | ||
} | ||
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public function async(Closure|JobInterface $callback): Closure | ||
{ | ||
return static function (...$args) use ($callback) { | ||
$runtime = new Runtime('vendor/autoload.php'); | ||
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return $runtime->run(static function () use ($callback, $args) { | ||
try { | ||
return $callback(...$args); | ||
} catch (Throwable $exception) { | ||
return new RuntimeException($exception->getMessage(), $exception->getCode(), $exception); | ||
} | ||
}); | ||
}; | ||
} | ||
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public function defer(Closure $callback): mixed | ||
{ | ||
$runtime = new Runtime('vendor/autoload.php'); | ||
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return $runtime->run(static function () use ($callback) { | ||
try { | ||
$result = null; | ||
$callback( | ||
static function ($value) use (&$result) { | ||
$result = $value; | ||
}, | ||
static function ($fn, $next) { | ||
$fn($next); | ||
} | ||
); | ||
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return $result; | ||
} catch (Throwable $exception) { | ||
return new RuntimeException($exception->getMessage(), $exception->getCode(), $exception); | ||
} | ||
}); | ||
} | ||
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public function await(array &$stream): void | ||
{ | ||
$async = function ($isTick) use (&$parallelDatas) { | ||
return function (Closure|JobInterface $job) use (&$parallelDatas, $isTick) { | ||
return function (mixed $data) use (&$parallelDatas, $isTick, $job) { | ||
$async = $this->async($job); | ||
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$parallel = $async($data); | ||
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$next = static function ($return) {}; | ||
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$parallelDatas[] = [ | ||
'parallel' => $parallel, | ||
'next' => static function ($return) use (&$next) { | ||
$next($return); | ||
}, | ||
]; | ||
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return static function (Closure $callback) use ($isTick, &$next) { | ||
if ($isTick === false) { | ||
$next = static function ($return) use ($callback) { | ||
$callback($return); | ||
}; | ||
} | ||
}; | ||
}; | ||
}; | ||
}; | ||
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$defer = static function ($isTick) use (&$parallelDatas) { | ||
return static function (Closure|JobInterface $job) use ($isTick, &$parallelDatas) { | ||
return static function (Closure $next) use ($isTick, $job, &$parallelDatas) { | ||
$parallel = new Runtime('vendor/autoload.php'); | ||
$parallel->run(static function () use ($isTick, $job, $next) { | ||
try { | ||
$job(static function ($return) use ($isTick, $next) { | ||
if ($isTick === false) { | ||
$next($return); | ||
} | ||
}, static function ($fn, $next) { | ||
$fn($next); | ||
}); | ||
} catch (Throwable $exception) { | ||
return new RuntimeException($exception->getMessage(), $exception->getCode(), $exception); | ||
} | ||
}); | ||
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$parallelDatas[] = [ | ||
'parallel' => $parallel, | ||
'next' => static function ($return) {}, /*function ($return) use ($isTick, $next) { | ||
if ($isTick === false) { | ||
$next($return); | ||
} | ||
},*/ | ||
]; | ||
}; | ||
}; | ||
}; | ||
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$tick = 0; | ||
$parallelDatas = []; | ||
do { | ||
foreach ($this->ticks as [ | ||
'interval' => $interval, | ||
'callback' => $callback, | ||
]) { | ||
if ($tick % $interval === 0) { | ||
$ip = new Ip(); | ||
$async(true)($callback)($ip->data); | ||
} | ||
} | ||
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foreach ($stream['dispatchers'] as $index => $dispatcher) { | ||
$nextIps = $dispatcher->dispatch(new PullEvent(), Event::PULL)->getIps(); | ||
foreach ($nextIps as $nextIp) { | ||
$stream['dispatchers'][$index]->dispatch(new AsyncEvent(static function (Closure|JobInterface $job) use ($async) { | ||
return $async(false)($job); | ||
}, static function (Closure|JobInterface $job) use ($defer) { | ||
return $defer(false)($job); | ||
}, $stream['fnFlows'][$index]['job'], $nextIp, static function ($data) use (&$stream, $index, $nextIp) { | ||
if ($data instanceof RuntimeException && array_key_exists($index, $stream['fnFlows']) && $stream['fnFlows'][$index]['errorJob'] !== null) { | ||
$stream['fnFlows'][$index]['errorJob']($data); | ||
} elseif (array_key_exists($index + 1, $stream['fnFlows'])) { | ||
$ip = new Ip($data); | ||
$stream['dispatchers'][$index + 1]->dispatch(new PushEvent($ip), Event::PUSH); | ||
} | ||
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$stream['dispatchers'][$index]->dispatch(new PopEvent($nextIp), Event::POP); | ||
}), Event::ASYNC); | ||
} | ||
} | ||
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foreach ($parallelDatas as $i => $parallelData) { // @phpstan-ignore-line see https://github.com/phpstan/phpstan/issues/11468 | ||
if ($parallelData['parallel']->done()) { | ||
$data = $parallelData['parallel']->value(); | ||
$parallelData['next']($data); | ||
unset($parallelDatas[$i]); | ||
} | ||
} | ||
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$tick++; | ||
} while ($this->countIps($stream['dispatchers']) > 0 or count($this->ticks) > 0); | ||
} | ||
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public function delay(float $seconds): void | ||
{ | ||
sleep((int) $seconds); | ||
} | ||
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public function tick($interval, Closure $callback): Closure | ||
{ | ||
$i = count($this->ticks) - 1; | ||
$this->ticks[$i] = [ | ||
'interval' => $interval, | ||
'callback' => $callback, | ||
]; | ||
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return function () use ($i) { | ||
unset($this->ticks[$i]); | ||
}; | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -1,4 +1,3 @@ | ||
version: '3' | ||
services: | ||
php: | ||
image: flow-php | ||
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