/**
* @param $n
*
* @return string
* @throws \RuntimeException
* @throws \PhpAmqpLib\Exception\AMQPRuntimeException
*/
protected function rawread($n)
{
if ($this->io) {
$this->wait();
$res = $this->io->read($n);
$this->offset += $n;
} else {
if ($this->str_length < $n) {
throw new AMQPRuntimeException("Error reading data. Requested {$n} bytes while string buffer has only " . $this->str_length);
}
$res = mb_substr($this->str, 0, $n, 'ASCII');
$this->str = mb_substr($this->str, $n, mb_strlen($this->str, 'ASCII') - $n, 'ASCII');
$this->str_length -= $n;
$this->offset += $n;
}
return $res;
}
/**
* @return SocketIO
*/
public function getSocket()
{
return $this->io->getSocket();
}