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50
51#ifndef TRACKERCLIENT_H
52#define TRACKERCLIENT_H
53
54#include <QByteArray>
55#include <QList>
56#include <QObject>
57#include <QHostAddress>
58#include <QNetworkAccessManager>
59#include <QNetworkReply>
60#include <QAuthenticator>
61
62#include "metainfo.h"
63#include "torrentclient.h"
64
65class TorrentClient;
66
67class TrackerClient : public QObject
68{
69 Q_OBJECT
70
71public:
72 explicit TrackerClient(TorrentClient *downloader, QObject *parent = nullptr);
73
74 void start(const MetaInfo &info);
75 void stop();
76 void startSeeding();
77
78signals:
79 void connectionError(QNetworkReply::NetworkError error);
80
81 void failure(const QString &reason);
82 void warning(const QString &message);
83 void peerListUpdated(const QList<TorrentPeer> &peerList);
84
85 void uploadCountUpdated(qint64 newUploadCount);
86 void downloadCountUpdated(qint64 newDownloadCount);
87
88 void stopped();
89
90protected:
91 void timerEvent(QTimerEvent *event) override;
92
93private slots:
94 void fetchPeerList();
95 void httpRequestDone(QNetworkReply *reply);
96 void provideAuthentication(QNetworkReply *reply, QAuthenticator *auth);
97
98private:
99 TorrentClient *torrentDownloader;
100
101 int requestInterval = 5 * 60;
102 int requestIntervalTimer = -1;
103 QNetworkAccessManager http;
104 MetaInfo metaInfo;
105 QByteArray trackerId;
106 QList<TorrentPeer> peers;
107 qint64 length = 0;
108 QString uname;
109 QString pwd;
110
111 bool firstTrackerRequest = true;
112 bool lastTrackerRequest = false;
113 bool firstSeeding = true;
114};
115
116#endif
117

source code of qtbase/examples/network/torrent/trackerclient.h