protected function _read()
{
$_sessionId = $this->_readInt();
$this->_transport->setSessionId($_sessionId);
if ($this->_transport->getProtocolVersion() > 26) {
$token = $this->_readString();
# token
if (empty($token)) {
$this->_transport->setRequestToken(false);
}
$this->_transport->setToken($token);
}
$this->_transport->connected = true;
return $_sessionId;
}