1 /*
2  * Bittorrent Client using Qt and libtorrent.
3  * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
18  *
19  * In addition, as a special exception, the copyright holders give permission to
20  * link this program with the OpenSSL project's "OpenSSL" library (or with
21  * modified versions of it that use the same license as the "OpenSSL" library),
22  * and distribute the linked executables. You must obey the GNU General Public
23  * License in all respects for all of the code used other than "OpenSSL".  If you
24  * modify file(s), you may extend this exception to your version of the file(s),
25  * but you are not obligated to do so. If you do not wish to do so, delete this
26  * exception statement from your version.
27  */
28 
29 #include "statistics.h"
30 
31 #include <QDateTime>
32 
33 #include "base/bittorrent/session.h"
34 #include "base/bittorrent/sessionstatus.h"
35 #include "base/profile.h"
36 
37 static const qint64 SAVE_INTERVAL = 15 * 60 * 1000;
38 
39 using namespace BitTorrent;
40 
Statistics(Session * session)41 Statistics::Statistics(Session *session)
42     : QObject(session)
43     , m_session(session)
44     , m_sessionUL(0)
45     , m_sessionDL(0)
46     , m_lastWrite(0)
47     , m_dirty(false)
48 {
49     load();
50     connect(&m_timer, &QTimer::timeout, this, &Statistics::gather);
51     m_timer.start(60 * 1000);
52 }
53 
~Statistics()54 Statistics::~Statistics()
55 {
56     if (m_dirty)
57         m_lastWrite = 0;
58     save();
59 }
60 
getAlltimeDL() const61 quint64 Statistics::getAlltimeDL() const
62 {
63     return m_alltimeDL + m_sessionDL;
64 }
65 
getAlltimeUL() const66 quint64 Statistics::getAlltimeUL() const
67 {
68     return m_alltimeUL + m_sessionUL;
69 }
70 
gather()71 void Statistics::gather()
72 {
73     const SessionStatus &ss = m_session->status();
74     if (ss.totalDownload > m_sessionDL)
75     {
76         m_sessionDL = ss.totalDownload;
77         m_dirty = true;
78     }
79     if (ss.totalUpload > m_sessionUL)
80     {
81         m_sessionUL = ss.totalUpload;
82         m_dirty = true;
83     }
84 
85     save();
86 }
87 
save() const88 void Statistics::save() const
89 {
90     const qint64 now = QDateTime::currentMSecsSinceEpoch();
91 
92     if (!m_dirty || ((now - m_lastWrite) < SAVE_INTERVAL))
93         return;
94 
95     SettingsPtr s = Profile::instance()->applicationSettings(QLatin1String("qBittorrent-data"));
96     QVariantHash v;
97     v.insert("AlltimeDL", m_alltimeDL + m_sessionDL);
98     v.insert("AlltimeUL", m_alltimeUL + m_sessionUL);
99     s->setValue("Stats/AllStats", v);
100     m_dirty = false;
101     m_lastWrite = now;
102 }
103 
load()104 void Statistics::load()
105 {
106     const SettingsPtr s = Profile::instance()->applicationSettings(QLatin1String("qBittorrent-data"));
107     const QVariantHash v = s->value("Stats/AllStats").toHash();
108 
109     m_alltimeDL = v["AlltimeDL"].toULongLong();
110     m_alltimeUL = v["AlltimeUL"].toULongLong();
111 }
112