/***************************************************************************
 *   Copyright (C) 2005 by Joris Guisson                                   *
 *   joris.guisson@gmail.com                                               *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.             *
 ***************************************************************************/
#ifndef BTUPLOADER_H
#define BTUPLOADER_H

#include <peer/peermanager.h>
#include "globals.h"

namespace bt
{
class Peer;
class ChunkManager;


/**
 * @author Joris Guisson
 *
 * Class which manages the uploading of data. It has a PeerUploader for
 * each Peer.
 */
class Uploader : public QObject, public PeerManager::PeerVisitor
{
    Q_OBJECT
public:
    /**
     * Constructor, sets the ChunkManager.
     * @param cman The ChunkManager
     */
    Uploader(ChunkManager & cman, PeerManager & pman);
    ~Uploader() override;

    /// Get the number of bytes uploaded.
    Uint64 bytesUploaded() const
    {
        return uploaded;
    }

    /// Get the upload rate of all Peers combined.
    Uint32 uploadRate() const;

    /// Set the number of bytes which have been uploaded.
    void setBytesUploaded(Uint64 b)
    {
        uploaded = b;
    }

public Q_SLOTS:
    /**
     * Update every PeerUploader.
     */
    void update();

private:
    void visit(const bt::Peer::Ptr p) override;

private:
    ChunkManager & cman;
    PeerManager & pman;
    Uint64 uploaded;
};

}

#endif
