/***************************************************************************
 *   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 DHTDHTPEERSOURCE_H
#define DHTDHTPEERSOURCE_H

#include "task.h"
#include <interfaces/peersource.h>
#include <qtimer.h>

namespace bt
{
class WaitJob;
struct DHTNode;
}

namespace dht
{
class DHTBase;
class AnnounceTask;

/**
    @author Joris Guisson <joris.guisson@gmail.com>
*/
class KTORRENT_EXPORT DHTPeerSource : public bt::PeerSource
{
public:
    DHTPeerSource(DHTBase &dh_table, const bt::SHA1Hash &info_hash, const QString &torrent_name);
    ~DHTPeerSource() override;

    void start() override;
    void stop(bt::WaitJob *wjob = nullptr) override;
    void manualUpdate() override;

    void addDHTNode(const bt::DHTNode &node);
    void setRequestInterval(bt::Uint32 interval);

private:
    void onTimeout();
    bool doRequest();
    void onDataReady(Task *t);
    void onFinished(Task *t);
    void dhtStopped();

    DHTBase &dh_table;
    AnnounceTask *curr_task;
    bt::SHA1Hash info_hash;
    QTimer timer;
    bool started;
    QList<bt::DHTNode> nodes;
    QString torrent_name;
    bt::Uint32 request_interval;
};

}

#endif
