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<?php
namespace ConnectionManager\Extra\Multiple;
use ConnectionManager\Extra\Multiple\ConnectionManagerConsecutive;
use React\Promise;
use React\Promise\CancellablePromiseInterface;
class ConnectionManagerConcurrent extends ConnectionManagerConsecutive
{
public function connect($uri)
{
$all = array();
foreach ($this->managers as $connector) {
/* @var $connection Connector */
$all []= $connector->connect($uri);
}
return Promise\any($all)->then(function ($conn) use ($all) {
// a connection attempt succeeded
// => cancel all pending connection attempts
foreach ($all as $promise) {
if ($promise instanceof CancellablePromiseInterface) {
$promise->cancel();
}
// if promise resolves despite cancellation, immediately close stream
$promise->then(function ($stream) use ($conn) {
if ($stream !== $conn) {
$stream->close();
}
});
}
return $conn;
});
}
}
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