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StompConnectionFactory.php
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135 lines (116 loc) · 3.75 KB
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<?php
declare(strict_types=1);
namespace Enqueue\Stomp;
use Enqueue\Dsn\Dsn;
use Interop\Queue\ConnectionFactory;
use Interop\Queue\Context;
use Stomp\Network\Connection;
class StompConnectionFactory implements ConnectionFactory
{
/**
* @var array
*/
private $config;
/**
* @var BufferedStompClient
*/
private $stomp;
/**
* $config = [
* 'host' => null,
* 'port' => null,
* 'login' => null,
* 'password' => null,
* 'vhost' => null,
* 'buffer_size' => 1000,
* 'connection_timeout' => 1,
* 'sync' => false,
* 'lazy' => true,
* 'ssl_on' => false,
* ].
*
* or
*
* stomp:
* stomp:?buffer_size=100
*
* @param array|string|null $config
*/
public function __construct($config = 'stomp:')
{
if (empty($config) || 'stomp:' === $config) {
$config = [];
} elseif (is_string($config)) {
$config = $this->parseDsn($config);
} elseif (is_array($config)) {
if (array_key_exists('dsn', $config)) {
$config = array_replace($config, $this->parseDsn($config['dsn']));
unset($config['dsn']);
}
} else {
throw new \LogicException('The config must be either an array of options, a DSN string or null');
}
$this->config = array_replace($this->defaultConfig(), $config);
}
/**
* @return StompContext
*/
public function createContext(): Context
{
if ($this->config['lazy']) {
return new StompContext(function () {
return $this->establishConnection();
});
}
return new StompContext($this->establishConnection());
}
private function establishConnection(): BufferedStompClient
{
if (false == $this->stomp) {
$config = $this->config;
$scheme = (true === $config['ssl_on']) ? 'ssl' : 'tcp';
$uri = $scheme.'://'.$config['host'].':'.$config['port'];
$connection = new Connection($uri, $config['connection_timeout']);
$this->stomp = new BufferedStompClient($connection, $config['buffer_size']);
$this->stomp->setLogin($config['login'], $config['password']);
$this->stomp->setVhostname($config['vhost']);
$this->stomp->setSync($config['sync']);
$this->stomp->connect();
}
return $this->stomp;
}
private function parseDsn(string $dsn): array
{
$dsn = Dsn::parseFirst($dsn);
if ('stomp' !== $dsn->getSchemeProtocol()) {
throw new \LogicException(sprintf('The given DSN is not supported. Must start with "stomp:".'));
}
return array_filter(array_replace($dsn->getQuery(), [
'host' => $dsn->getHost(),
'port' => $dsn->getPort(),
'login' => $dsn->getUser(),
'password' => $dsn->getPassword(),
'vhost' => null !== $dsn->getPath() ? ltrim($dsn->getPath(), '/') : null,
'buffer_size' => $dsn->getDecimal('buffer_size'),
'connection_timeout' => $dsn->getDecimal('connection_timeout'),
'sync' => $dsn->getBool('sync'),
'lazy' => $dsn->getBool('lazy'),
'ssl_on' => $dsn->getBool('ssl_on'),
]), function ($value) { return null !== $value; });
}
private function defaultConfig(): array
{
return [
'host' => 'localhost',
'port' => 61613,
'login' => 'guest',
'password' => 'guest',
'vhost' => '/',
'buffer_size' => 1000,
'connection_timeout' => 1,
'sync' => false,
'lazy' => true,
'ssl_on' => false,
];
}
}