EventSender does not work with bigger than 32767 port number

    const QString ipAddress = qEnvironmentVariable("QT_SAFERENDER_HOST");
    const QString portStr = qEnvironmentVariable("QT_SAFERENDER_PORT");
    bool ok = false;
    const qint16 port = portStr.toShort(&ok);
    if (ok) {
        m_port = port;
    } else {
        m_port = 32112; //This is the default used in test harness.
    }