/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright 2013 - 2020, nymea GmbH
* Contact: contact@nymea.io
*
* This file is part of nymea.
* This project including source code and documentation is protected by
* copyright law, and remains the property of nymea GmbH. All rights, including
* reproduction, publication, editing and translation, are reserved. The use of
* this project is subject to the terms of a license agreement to be concluded
* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
* under https://nymea.io/license
*
* GNU General Public License Usage
* Alternatively, this project may be redistributed and/or modified under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, GNU version 3. This project is distributed in the hope that it
* will be useful, 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 along with
* this project. If not, see <https://www.gnu.org/licenses/>.
*
* For any further details and any questions please contact us under
* contact@nymea.io or see our FAQ/Licensing Information on
* https://nymea.io/license/faq
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#ifndef UPNPDISCOVERY_H
#define UPNPDISCOVERY_H

#include <QUdpSocket>
#include <QHostAddress>
#include <QNetworkReply>
#include <QNetworkAccessManager>
#include <QNetworkConfigurationManager>
#include <QTimer>

#include "../nymeahost.h"
#include "../nymeahosts.h"

class UpnpDiscovery : public QObject
{
    Q_OBJECT
public:
    explicit UpnpDiscovery(NymeaHosts *nymeaHosts, QObject *parent = nullptr);

    bool discovering() const;

    bool available() const;

    Q_INVOKABLE void discover();
    Q_INVOKABLE void stopDiscovery();

signals:
    void discoveringChanged();
    void availableChanged();
    void nymeaHostsChanged();

private slots:
    void updateInterfaces();
    void writeDiscoveryPacket();
    void error(QAbstractSocket::SocketError error);
    void readData();
    void networkReplyFinished(QNetworkReply *reply);

private:
    QHash<QHostAddress, QUdpSocket*> m_sockets;
    QNetworkAccessManager *m_networkAccessManager;
    QNetworkConfigurationManager *m_networkConfigurationManager;

    QTimer m_repeatTimer;

    NymeaHosts *m_nymeaHosts;

    QHash<QNetworkReply *, QHostAddress> m_runningReplies;
    QList<QUrl> m_foundDevices;

};

#endif // UPNPDISCOVERY_H
