UDPLink.h 3.23 KB
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/*=====================================================================

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QGroundControl Open Source Ground Control Station
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(c) 2009 - 2011 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
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This file is part of the QGROUNDCONTROL project
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    QGROUNDCONTROL is free software: you can redistribute it and/or modify
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    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

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    QGROUNDCONTROL is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
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    along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
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======================================================================*/

/**
 * @file
 *   @brief UDP connection (server) for unmanned vehicles
 *   @author Lorenz Meier <mavteam@student.ethz.ch>
 *
 */

#ifndef UDPLINK_H
#define UDPLINK_H

#include <QString>
#include <QList>
#include <QMap>
#include <QMutex>
#include <QUdpSocket>
#include <LinkInterface.h>
#include <configuration.h>

class UDPLink : public LinkInterface
{
    Q_OBJECT
    //Q_INTERFACES(UDPLinkInterface:LinkInterface)

public:
    UDPLink(QHostAddress host = QHostAddress::Any, quint16 port = 14550);
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    //UDPLink(QHostAddress host = "239.255.76.67", quint16 port = 7667);
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    ~UDPLink();

    bool isConnected();
    qint64 bytesAvailable();

    /**
     * @brief The human readable port name
     */
    QString getName();
    int getBaudRate();
    int getBaudRateType();
    int getFlowType();
    int getParityType();
    int getDataBitsType();
    int getStopBitsType();

    /* Extensive statistics for scientific purposes */
    qint64 getNominalDataRate();
    qint64 getTotalUpstream();
    qint64 getCurrentUpstream();
    qint64 getMaxUpstream();
    qint64 getTotalDownstream();
    qint64 getCurrentDownstream();
    qint64 getMaxDownstream();
    qint64 getBitsSent();
    qint64 getBitsReceived();

    void run();

    int getLinkQuality();
    bool isFullDuplex();
    int getId();

public slots:
    void setAddress(QString address);
    void setPort(quint16 port);
    //    void readPendingDatagrams();

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    void readBytes();
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    /**
     * @brief Write a number of bytes to the interface.
     *
     * @param data Pointer to the data byte array
     * @param size The size of the bytes array
     **/
    void writeBytes(const char* data, qint64 length);
    bool connect();
    bool disconnect();

protected:
    QString name;
    QHostAddress host;
    quint16 port;
    int id;
    QUdpSocket* socket;
    bool connectState;
    QList<QHostAddress>* hosts;
    //    QMap<QHostAddress, quint16>* ports;
    QList<quint16>* ports;

    quint64 bitsSentTotal;
    quint64 bitsSentCurrent;
    quint64 bitsSentMax;
    quint64 bitsReceivedTotal;
    quint64 bitsReceivedCurrent;
    quint64 bitsReceivedMax;
    quint64 connectionStartTime;
    QMutex statisticsMutex;
    QMutex dataMutex;

    void setName(QString name);

signals:
    // Signals are defined by LinkInterface

};

#endif // UDPLINK_H