TrackManiaControl/libs/React/Stream/Util.php

46 lines
1.2 KiB
PHP
Raw Normal View History

<?php
namespace React\Stream;
// TODO: move to a trait
class Util
{
public static function pipe(ReadableStreamInterface $source, WritableStreamInterface $dest, array $options = array())
{
// TODO: use stream_copy_to_stream
// it is 4x faster than this
// but can lose data under load with no way to recover it
$dest->emit('pipe', array($source));
$source->on('data', function ($data) use ($source, $dest) {
$feedMore = $dest->write($data);
if (false === $feedMore) {
$source->pause();
}
});
$dest->on('drain', function () use ($source) {
$source->resume();
});
$end = isset($options['end']) ? $options['end'] : true;
if ($end && $source !== $dest) {
$source->on('end', function () use ($dest) {
$dest->end();
});
}
}
public static function forwardEvents($source, $target, array $events)
{
foreach ($events as $event) {
$source->on($event, function () use ($event, $target) {
$target->emit($event, func_get_args());
});
}
}
}