/**
* 解码数据流.
*
* @param string $data 数据流.
*
* @return array
*/
public static function decode($data)
{
$parser = new TextParser($data);
$cmdlen = $parser->getLength();
$cmd = $parser->getData($cmdlen);
$datalen = $parser->getLength();
$data = $parser->getData($datalen);
$ctx = array('command' => $cmd, 'data' => $data);
return $ctx;
}
