- Qt 5.5
- Qt Network
- Torrent Example
- trackerclient.h Example File
- Qt 5.5.1 Reference Documentation

# trackerclient.h Example File

torrent/trackerclient.h

    /****************************************************************************
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    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
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    #ifndef TRACKERCLIENT_H
    #define TRACKERCLIENT_H

    #include <QByteArray>
    #include <QList>
    #include <QObject>
    #include <QHostAddress>
    #include <QNetworkAccessManager>
    #include <QNetworkReply>
    #include <QAuthenticator>

    #include "metainfo.h"
    #include "torrentclient.h"

    class TorrentClient;

    class TrackerClient : public QObject
    {
        Q_OBJECT

    public:
        explicit TrackerClient(TorrentClient *downloader, QObject *parent = 0);

        void start(const MetaInfo &info);
        void stop();
        void startSeeding();

    signals:
        void connectionError(QNetworkReply::NetworkError error);

        void failure(const QString &reason);
        void warning(const QString &message);
        void peerListUpdated(const QList<TorrentPeer> &peerList);

        void uploadCountUpdated(qint64 newUploadCount);
        void downloadCountUpdated(qint64 newDownloadCount);

        void stopped();

    protected:
        void timerEvent(QTimerEvent *event) Q_DECL_OVERRIDE;

    private slots:
        void fetchPeerList();
        void httpRequestDone(QNetworkReply *reply);
        void provideAuthentication(QNetworkReply *reply, QAuthenticator *auth);

    private:
        TorrentClient *torrentDownloader;

        int requestInterval;
        int requestIntervalTimer;
        QNetworkAccessManager http;
        MetaInfo metaInfo;
        QByteArray trackerId;
        QList<TorrentPeer> peers;
        qint64 uploadedBytes;
        qint64 downloadedBytes;
        qint64 length;
        QString uname;
        QString pwd;

        bool firstTrackerRequest;
        bool lastTrackerRequest;
        bool firstSeeding;
    };

    #endif