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<?php |
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namespace Thruster\Component\Stream; |
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use Thruster\Component\EventEmitter\EventEmitterInterface; |
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/** |
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* Trait UtilsTrait |
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* |
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* @package Thruster\Component\Stream |
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* @author Aurimas Niekis <[email protected]> |
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*/ |
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trait UtilsTrait |
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{ |
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/** |
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* @param ReadableStreamInterface $source |
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* @param WritableStreamInterface $destination |
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* @param array $options |
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* |
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* @return WritableStreamInterface |
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*/ |
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public function pipeAll(ReadableStreamInterface $source, WritableStreamInterface $destination, array $options = []) |
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{ |
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// TODO: use stream_copy_to_stream |
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// it is 4x faster than this |
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// but can lose data under load with no way to recover it |
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$destination->emit('pipe', array($source)); |
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$source->on('data', function ($data) use ($source, $destination) { |
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$feedMore = $destination->write($data); |
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if (false === $feedMore) { |
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$source->pause(); |
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} |
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}); |
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$destination->on('drain', function () use ($source) { |
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$source->resume(); |
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}); |
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$end = isset($options['end']) ? $options['end'] : true; |
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if ($end && $source !== $destination) { |
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$source->on('end', function () use ($destination) { |
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$destination->end(); |
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}); |
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} |
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return $destination; |
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} |
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/** |
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* @param EventEmitterInterface $source |
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* @param EventEmitterInterface $target |
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* @param array $events |
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*/ |
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public function forwardEvents(EventEmitterInterface $source, EventEmitterInterface $target, array $events) |
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{ |
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foreach ($events as $event) { |
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$source->on($event, function () use ($event, $target) { |
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$target->emit($event, func_get_args()); |
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}); |
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} |
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} |
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} |
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ThrusterIO /
stream
