void HttpSession::on_request_sent(const boost::system::error_code& ec) {
if (ec)
return onError("request sending error", ec.message());
if(m_result->canceled)
return onError("canceled");
m_response.body_limit(512 * 1024 * 1024); // <<< LIMIT
m_response.header_limit(4 * 1024 * 1024);