C++ (Cpp) newUdpDatagram Examples

Example #1

File: serverpool.cpp Project: drescherjm/mythtv

bool ServerPool::bind(QList<QHostAddress> addrs, quint16 port,
                      bool requireall)
{
    m_port = port;
    QList<QHostAddress>::const_iterator it;

    for (it = addrs.begin(); it != addrs.end(); ++it)
    {
        QUdpSocket *socket = new QUdpSocket(this);
        connect(socket, SIGNAL(readyRead()),
                this,   SLOT(newUdpDatagram()));

        if (socket->bind(*it, port))
        {
            LOG(VB_GENERAL, LOG_INFO, QString("Binding to UDP %1:%2")
                .arg(PRETTYIP(it)).arg(port));
            m_udpSockets.append(socket);
        }
        else if (requireall)
        {
            LOG(VB_GENERAL, LOG_ERR, QString("Failed binding to UDP %1:%2")
                .arg(PRETTYIP(it)).arg(port));
            close();
            socket->disconnect();
            socket->deleteLater();
            return false;
        }
        else
        {
            LOG(VB_GENERAL, LOG_WARNING, QString("Failed binding to UDP %1:%2")
                .arg(PRETTYIP(it)).arg(port));
            socket->disconnect();
            socket->deleteLater();
        }
    }

    if (m_udpSockets.size() == 0)
        return false;

    m_listening = true;
    return true;
}

Example #2

File: serverpool.cpp Project: ReArtu/mythtv

bool ServerPool::bind(QList<QHostAddress> addrs, quint16 port,
                      bool requireall)
{
    m_port = port;
    QList<QHostAddress>::const_iterator it;

    for (it = addrs.begin(); it != addrs.end(); ++it)
    {
        QNetworkAddressEntry host;

#if !defined(QT_NO_IPV6)
        if (it->protocol() == QAbstractSocket::IPv6Protocol)
        {
            QList<QNetworkAddressEntry>::iterator iae;
            for (iae = naList_6.begin(); iae != naList_6.end(); ++iae)
            {
                if (PrivUdpSocket::contains(*iae, *it))
                {
                    host = *iae;
                    break;
                }
            }
        }
        else
#endif
        {
            QList<QNetworkAddressEntry>::iterator iae;
            for (iae = naList_4.begin(); iae != naList_4.end(); ++iae)
            {
                if (PrivUdpSocket::contains(*iae, *it))
                {
                    host = *iae;
                    break;
                }
            }
        }

        PrivUdpSocket *socket = new PrivUdpSocket(this, host);

        if (socket->bind(*it, port))
        {
            LOG(VB_GENERAL, LOG_INFO, QString("Binding to UDP %1:%2")
                    .arg(PRETTYIP(it)).arg(port));
            m_udpSockets.append(socket);
            connect(socket, SIGNAL(readyRead()),
                    this,   SLOT(newUdpDatagram()));
        }
        else
        {
            LOG(VB_GENERAL, LOG_ERR,
                    QString("Failed binding to UDP %1:%2 - Error %3: %4")
                        .arg(PRETTYIP(it))
                        .arg(port)
                        .arg(socket->error())
                        .arg(socket->errorString()));
            socket->disconnect();
            socket->deleteLater();
            
            if (socket->error() == QAbstractSocket::SocketAddressNotAvailableError)
            {
                LOG(VB_GENERAL, LOG_ERR,
                    QString("Address %1 no longer exists - ignoring")
                    .arg(PRETTYIP(it)));
                continue;
            }

            if (requireall)
            {
                close();
                return false;
            }
        }
    }

    if (m_udpSockets.size() == 0)
        return false;

    m_listening = true;
    return true;
}