Redesign main core classes.

src/core/bittorrent/cachestatus.cpp

@@ -0,0 +1,64 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include "cachestatus.h"
+
+using namespace BitTorrent;
+
+CacheStatus::CacheStatus(const libtorrent::cache_status &nativeStatus)
+    : m_nativeStatus(nativeStatus)
+{
+}
+
+int CacheStatus::totalUsedBuffers() const
+{
+    return m_nativeStatus.total_used_buffers;
+}
+
+qreal CacheStatus::readRatio() const
+{
+    if (m_nativeStatus.blocks_read > 0)
+        return (static_cast<qreal>(m_nativeStatus.blocks_read_hit) / m_nativeStatus.blocks_read);
+    else
+        return -1;
+}
+
+int CacheStatus::jobQueueLength() const
+{
+    return m_nativeStatus.job_queue_length;
+}
+
+int CacheStatus::averageJobTime() const
+{
+    return m_nativeStatus.average_job_time;
+}
+
+qlonglong CacheStatus::queuedBytes() const
+{
+    return m_nativeStatus.queued_bytes;
+}

src/core/bittorrent/cachestatus.h

@@ -0,0 +1,53 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef BITTORRENT_CACHESTATUS_H
+#define BITTORRENT_CACHESTATUS_H
+
+#include <libtorrent/disk_io_thread.hpp>
+#include <QtGlobal>
+
+namespace BitTorrent
+{
+    class CacheStatus
+    {
+    public:
+        CacheStatus(const libtorrent::cache_status &nativeStatus);
+
+        int totalUsedBuffers() const;
+        qreal readRatio() const;
+        int jobQueueLength() const;
+        int averageJobTime() const;
+        qlonglong queuedBytes() const;
+
+    private:
+        libtorrent::cache_status m_nativeStatus;
+    };
+}
+
+#endif // BITTORRENT_CACHESTATUS_H

src/core/bittorrent/infohash.cpp

@@ -0,0 +1,98 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include <QHash>
+#include "infohash.h"
+
+using namespace BitTorrent;
+
+InfoHash::InfoHash()
+    : m_valid(false)
+{
+}
+
+InfoHash::InfoHash(const libtorrent::sha1_hash &nativeHash)
+    : m_valid(true)
+    , m_nativeHash(nativeHash)
+{
+    char out[(libtorrent::sha1_hash::size * 2) + 1];
+    libtorrent::to_hex((char const*)&m_nativeHash[0], libtorrent::sha1_hash::size, out);
+    m_hashString = QString(out);
+}
+
+InfoHash::InfoHash(const QString &hashString)
+    : m_valid(false)
+    , m_hashString(hashString)
+{
+    QByteArray raw = m_hashString.toLatin1();
+    if (raw.size() == 40)
+        m_valid = libtorrent::from_hex(raw.constData(), 40, (char*)&m_nativeHash[0]);
+}
+
+
+InfoHash::InfoHash(const InfoHash &other)
+    : m_valid(other.m_valid)
+    , m_nativeHash(other.m_nativeHash)
+    , m_hashString(other.m_hashString)
+{
+}
+
+
+bool InfoHash::isValid() const
+{
+    return m_valid;
+}
+
+
+InfoHash::operator libtorrent::sha1_hash() const
+{
+    return m_nativeHash;
+}
+
+
+InfoHash::operator QString() const
+{
+    return m_hashString;
+}
+
+
+bool InfoHash::operator==(const InfoHash &other) const
+{
+    return (m_nativeHash == other.m_nativeHash);
+}
+
+
+bool InfoHash::operator!=(const InfoHash &other) const
+{
+    return (m_nativeHash != other.m_nativeHash);
+}
+
+uint qHash(const InfoHash &key, uint seed)
+{
+    return qHash(static_cast<QString>(key), seed);
+}

src/core/bittorrent/infohash.h

@@ -0,0 +1,67 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef BITTORRENT_INFOHASH_H
+#define BITTORRENT_INFOHASH_H
+
+#include <libtorrent/version.hpp>
+#if LIBTORRENT_VERSION_NUM < 10000
+#include <libtorrent/peer_id.hpp>
+#else
+#include <libtorrent/sha1_hash.hpp>
+#endif
+
+#include <QString>
+
+namespace BitTorrent
+{
+    class InfoHash
+    {
+    public:
+        InfoHash();
+        InfoHash(const libtorrent::sha1_hash &nativeHash);
+        InfoHash(const QString &hashString);
+        InfoHash(const InfoHash &other);
+
+        bool isValid() const;
+
+        operator libtorrent::sha1_hash() const;
+        operator QString() const;
+        bool operator==(const InfoHash &other) const;
+        bool operator!=(const InfoHash &other) const;
+
+    private:
+        bool m_valid;
+        libtorrent::sha1_hash m_nativeHash;
+        QString m_hashString;
+    };
+}
+
+uint qHash(const BitTorrent::InfoHash &key, uint seed);
+
+#endif // BITTORRENT_INFOHASH_H

src/core/bittorrent/magneturi.cpp

@@ -0,0 +1,95 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include <libtorrent/bencode.hpp>
+#include <libtorrent/error_code.hpp>
+#include <libtorrent/magnet_uri.hpp>
+
+#include "core/utils/string.h"
+#include "magneturi.h"
+
+namespace libt = libtorrent;
+using namespace BitTorrent;
+
+MagnetUri::MagnetUri(const QString &url)
+    : m_valid(false)
+    , m_url(url)
+{
+    if (url.isEmpty()) return;
+
+    libt::error_code ec;
+    libt::parse_magnet_uri(url.toUtf8().constData(), m_addTorrentParams, ec);
+    if (ec) return;
+
+    m_valid = true;
+    m_hash = m_addTorrentParams.info_hash;
+    m_name = String::fromStdString(m_addTorrentParams.name);
+
+    foreach (const std::string &tracker, m_addTorrentParams.trackers)
+        m_trackers.append(String::fromStdString(tracker));
+
+#if LIBTORRENT_VERSION_NUM >= 10000
+    foreach (const std::string &urlSeed, m_addTorrentParams.url_seeds)
+        m_urlSeeds.append(QUrl(urlSeed.c_str()));
+#endif
+}
+
+bool MagnetUri::isValid() const
+{
+    return m_valid;
+}
+
+InfoHash MagnetUri::hash() const
+{
+    return m_hash;
+}
+
+QString MagnetUri::name() const
+{
+    return m_name;
+}
+
+QList<TrackerEntry> MagnetUri::trackers() const
+{
+    return m_trackers;
+}
+
+QList<QUrl> MagnetUri::urlSeeds() const
+{
+    return m_urlSeeds;
+}
+
+QString MagnetUri::url() const
+{
+    return m_url;
+}
+
+libtorrent::add_torrent_params MagnetUri::addTorrentParams() const
+{
+    return m_addTorrentParams;
+}

src/core/bittorrent/magneturi.h

@@ -0,0 +1,68 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef BITTORRENT_MAGNETURI_H
+#define BITTORRENT_MAGNETURI_H
+
+#include <QString>
+#include <QList>
+#include <QUrl>
+
+#include <libtorrent/add_torrent_params.hpp>
+
+#include "infohash.h"
+#include "trackerentry.h"
+
+namespace BitTorrent
+{
+    class MagnetUri
+    {
+    public:
+        explicit MagnetUri(const QString &url = QString());
+
+        bool isValid() const;
+        InfoHash hash() const;
+        QString name() const;
+        QList<TrackerEntry> trackers() const;
+        QList<QUrl> urlSeeds() const;
+        QString url() const;
+
+        libtorrent::add_torrent_params addTorrentParams() const;
+
+    private:
+        bool m_valid;
+        QString m_url;
+        InfoHash m_hash;
+        QString m_name;
+        QList<TrackerEntry> m_trackers;
+        QList<QUrl> m_urlSeeds;
+        libtorrent::add_torrent_params m_addTorrentParams;
+    };
+}
+
+#endif // BITTORRENT_MAGNETURI_H

src/core/bittorrent/peerinfo.cpp

@@ -0,0 +1,271 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include <libtorrent/version.hpp>
+
+#include "core/utils/string.h"
+#include "peerinfo.h"
+
+namespace libt = libtorrent;
+using namespace BitTorrent;
+
+// PeerAddress
+
+PeerAddress::PeerAddress()
+    : port(0)
+{
+}
+
+PeerAddress::PeerAddress(QHostAddress ip, ushort port)
+    : ip(ip)
+    , port(port)
+{
+}
+
+// PeerInfo
+
+PeerInfo::PeerInfo(const libt::peer_info &nativeInfo)
+    : m_nativeInfo(nativeInfo)
+{
+}
+
+bool PeerInfo::fromDHT() const
+{
+    return (m_nativeInfo.source & libt::peer_info::dht);
+}
+
+bool PeerInfo::fromPeX() const
+{
+    return (m_nativeInfo.source & libt::peer_info::pex);
+}
+
+bool PeerInfo::fromLSD() const
+{
+    return (m_nativeInfo.source & libt::peer_info::lsd);
+}
+
+QString PeerInfo::country() const
+{
+    return QString(QByteArray(m_nativeInfo.country, 2));
+}
+
+
+bool PeerInfo::isInteresting() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::interesting);
+}
+
+bool PeerInfo::isChocked() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::choked);
+}
+
+bool PeerInfo::isRemoteInterested() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::remote_interested);
+}
+
+bool PeerInfo::isRemoteChocked() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::remote_choked);
+}
+
+
+bool PeerInfo::isSupportsExtensions() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::supports_extensions);
+}
+
+bool PeerInfo::isLocalConnection() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::local_connection);
+}
+
+bool PeerInfo::isHandshake() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::handshake);
+}
+
+
+bool PeerInfo::isConnecting() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::connecting);
+}
+
+bool PeerInfo::isQueued() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::queued);
+}
+
+
+bool PeerInfo::isOnParole() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::on_parole);
+}
+
+bool PeerInfo::isSeed() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::seed);
+}
+
+bool PeerInfo::optimisticUnchoke() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::optimistic_unchoke);
+}
+
+
+bool PeerInfo::isSnubbed() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::snubbed);
+}
+
+bool PeerInfo::isUploadOnly() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::upload_only);
+}
+
+bool PeerInfo::isEndgameMode() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::endgame_mode);
+}
+
+
+bool PeerInfo::isHolepunched() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::holepunched);
+}
+
+bool PeerInfo::useI2PSocket() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::i2p_socket);
+}
+
+bool PeerInfo::useUTPSocket() const
+{
+#if LIBTORRENT_VERSION_NUM < 10000
+    return (m_nativeInfo.connection_type & libt::peer_info::bittorrent_utp);
+#else
+    return (m_nativeInfo.flags & libt::peer_info::utp_socket);
+#endif
+}
+
+bool PeerInfo::useSSLSocket() const
+{
+#if LIBTORRENT_VERSION_NUM < 10000
+    return false;
+#else
+    return (m_nativeInfo.flags & libt::peer_info::ssl_socket);
+#endif
+}
+
+bool PeerInfo::isRC4Encrypted() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::rc4_encrypted);
+}
+
+bool PeerInfo::isPlaintextEncrypted() const
+{
+    return (m_nativeInfo.flags & libt::peer_info::plaintext_encrypted);
+}
+
+
+PeerAddress PeerInfo::address() const
+{
+    return PeerAddress(QHostAddress(QString::fromStdString(m_nativeInfo.ip.address().to_string())),
+                       m_nativeInfo.ip.port());
+}
+
+QString PeerInfo::client() const
+{
+    return String::fromStdString(m_nativeInfo.client);
+}
+
+
+qreal PeerInfo::progress() const
+{
+    return m_nativeInfo.progress;
+}
+
+int PeerInfo::payloadUpSpeed() const
+{
+    return m_nativeInfo.payload_up_speed;
+}
+
+
+int PeerInfo::payloadDownSpeed() const
+{
+    return m_nativeInfo.payload_down_speed;
+}
+
+qlonglong PeerInfo::totalUpload() const
+{
+    return m_nativeInfo.total_upload;
+}
+
+
+qlonglong PeerInfo::totalDownload() const
+{
+    return m_nativeInfo.total_download;
+}
+
+QBitArray PeerInfo::pieces() const
+{
+    QBitArray result(m_nativeInfo.pieces.size());
+
+#if LIBTORRENT_VERSION_NUM < 10000
+    typedef size_t pieces_size_t;
+#else
+    typedef int pieces_size_t;
+#endif
+    for (pieces_size_t i = 0; i < m_nativeInfo.pieces.size(); ++i)
+        result.setBit(i, m_nativeInfo.pieces.get_bit(i));
+
+    return result;
+}
+
+QString PeerInfo::connectionType() const
+{
+#if LIBTORRENT_VERSION_NUM < 10000
+    if (m_nativeInfo.connection_type & libt::peer_info::bittorrent_utp)
+#else
+    if (m_nativeInfo.flags & libt::peer_info::utp_socket)
+#endif
+        return QString::fromUtf8("μTP");
+
+    QString connection;
+    switch(m_nativeInfo.connection_type) {
+    case libt::peer_info::http_seed:
+    case libt::peer_info::web_seed:
+        connection = "Web";
+        break;
+    default:
+        connection = "BT";
+    }
+
+    return connection;
+}

src/core/bittorrent/peerinfo.h

@@ -0,0 +1,99 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef BITTORRENT_PEERINFO_H
+#define BITTORRENT_PEERINFO_H
+
+#include <libtorrent/peer_info.hpp>
+
+#include <QHostAddress>
+#include <QBitArray>
+
+namespace BitTorrent
+{
+    struct PeerAddress
+    {
+        QHostAddress ip;
+        ushort port;
+
+        PeerAddress();
+        PeerAddress(QHostAddress ip, ushort port);
+    };
+
+    class PeerInfo
+    {
+    public:
+        PeerInfo(const libtorrent::peer_info &nativeInfo);
+
+        bool fromDHT() const;
+        bool fromPeX() const;
+        bool fromLSD() const;
+
+        bool isInteresting() const;
+        bool isChocked() const;
+        bool isRemoteInterested() const;
+        bool isRemoteChocked() const;
+        bool isSupportsExtensions() const;
+        bool isLocalConnection() const;
+
+        bool isHandshake() const;
+        bool isConnecting() const;
+        bool isQueued() const;
+        bool isOnParole() const;
+        bool isSeed() const;
+
+        bool optimisticUnchoke() const;
+        bool isSnubbed() const;
+        bool isUploadOnly() const;
+        bool isEndgameMode() const;
+        bool isHolepunched() const;
+
+        bool useI2PSocket() const;
+        bool useUTPSocket() const;
+        bool useSSLSocket() const;
+
+        bool isRC4Encrypted() const;
+        bool isPlaintextEncrypted() const;
+
+        PeerAddress address() const;
+        QString client() const;
+        qreal progress() const;
+        int payloadUpSpeed() const;
+        int payloadDownSpeed() const;
+        qlonglong totalUpload() const;
+        qlonglong totalDownload() const;
+        QBitArray pieces() const;
+        QString connectionType() const;
+        QString country() const;
+
+    private:
+        libtorrent::peer_info m_nativeInfo;
+    };
+}
+
+#endif // BITTORRENT_PEERINFO_H

src/core/bittorrent/private/bandwidthscheduler.cpp

@@ -0,0 +1,96 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2010  Christophe Dumez
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#include <QTime>
+#include <QDateTime>
+
+#include "core/preferences.h"
+#include "bandwidthscheduler.h"
+
+BandwidthScheduler::BandwidthScheduler(QObject *parent)
+    : QTimer(parent)
+{
+    Q_ASSERT(Preferences::instance()->isSchedulerEnabled());
+    // Single shot, we call start() again manually
+    setSingleShot(true);
+    // Connect Signals/Slots
+    connect(this, SIGNAL(timeout()), this, SLOT(start()));
+}
+
+void BandwidthScheduler::start()
+{
+    const Preferences* const pref = Preferences::instance();
+    Q_ASSERT(pref->isSchedulerEnabled());
+    bool alt_bw_enabled = pref->isAltBandwidthEnabled();
+
+    QTime start = pref->getSchedulerStartTime();
+    QTime end = pref->getSchedulerEndTime();
+    QTime now = QTime::currentTime();
+    int sched_days = pref->getSchedulerDays();
+    int day = QDateTime::currentDateTime().toLocalTime().date().dayOfWeek();
+    bool new_mode = false;
+    bool reverse = false;
+
+    if (start > end) {
+        QTime temp = start;
+        start = end;
+        end = temp;
+        reverse = true;
+    }
+
+    if ((start <= now) && (end >= now)) {
+        switch(sched_days) {
+        case EVERY_DAY:
+            new_mode = true;
+            break;
+        case WEEK_ENDS:
+            if ((day == 6) || (day == 7))
+                new_mode = true;
+            break;
+        case WEEK_DAYS:
+            if ((day != 6) && (day != 7))
+                new_mode = true;
+            break;
+        default:
+            if (day == (sched_days - 2))
+                new_mode = true;
+        }
+    }
+
+    if (reverse)
+        new_mode = !new_mode;
+
+    if (new_mode != alt_bw_enabled)
+        emit switchToAlternativeMode(new_mode);
+
+    // Timeout regularly to accomodate for external system clock changes
+    // eg from the user or from a timesync utility
+    QTimer::start(1500);
+}

src/core/bittorrent/private/bandwidthscheduler.h

@@ -0,0 +1,50 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2010  Christophe Dumez
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#ifndef BANDWIDTHSCHEDULER_H
+#define BANDWIDTHSCHEDULER_H
+
+#include <QTimer>
+
+class BandwidthScheduler : public QTimer
+{
+    Q_OBJECT
+
+public:
+    BandwidthScheduler(QObject *parent = 0);
+
+public slots:
+    void start();
+
+signals:
+    void switchToAlternativeMode(bool alternative);
+};
+
+#endif // BANDWIDTHSCHEDULER_H

src/core/bittorrent/private/filterparserthread.cpp

@@ -0,0 +1,439 @@
+/*
+ * Bittorrent Client using Qt and libt.
+ * Copyright (C) 2006  Christophe Dumez
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#include <QFile>
+#include <QHostAddress>
+#include <QDataStream>
+#include <QStringList>
+
+#include <libtorrent/session.hpp>
+#include <libtorrent/ip_filter.hpp>
+
+#include "core/logger.h"
+#include "filterparserthread.h"
+
+namespace libt = libtorrent;
+
+FilterParserThread::FilterParserThread(libt::session *s, QObject *parent)
+    : QThread(parent)
+    , m_session(s)
+    , m_abort(false)
+{
+}
+
+FilterParserThread::~FilterParserThread()
+{
+    m_abort = true;
+    wait();
+}
+
+// Parser for eMule ip filter in DAT format
+int FilterParserThread::parseDATFilterFile(QString m_filePath, libt::ip_filter &filter)
+{
+    int ruleCount = 0;
+    QFile file(m_filePath);
+    if (!file.exists()) return ruleCount;
+
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        Logger::instance()->addMessage(tr("I/O Error: Could not open ip filer file in read mode."), Log::CRITICAL);
+        return ruleCount;
+    }
+
+    unsigned int nbLine = 0;
+    while (!file.atEnd() && !m_abort) {
+        ++nbLine;
+        QByteArray line = file.readLine();
+        // Ignoring empty lines
+        line = line.trimmed();
+        if (line.isEmpty()) continue;
+        // Ignoring commented lines
+        if (line.startsWith('#') || line.startsWith("//")) continue;
+
+        // Line should be splitted by commas
+        QList<QByteArray> partsList = line.split(',');
+        const uint nbElem = partsList.size();
+
+        // IP Range should be splitted by a dash
+        QList<QByteArray> IPs = partsList.first().split('-');
+        if (IPs.size() != 2) {
+            qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
+            qDebug("Line was %s", line.constData());
+            continue;
+        }
+
+        boost::system::error_code ec;
+        const QString strStartIP = cleanupIPAddress(IPs.at(0));
+        if (strStartIP.isEmpty()) {
+            qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
+            qDebug("Start IP of the range is malformated: %s", qPrintable(strStartIP));
+            continue;
+        }
+        libt::address startAddr = libt::address::from_string(qPrintable(strStartIP), ec);
+        if (ec) {
+            qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
+            qDebug("Start IP of the range is malformated: %s", qPrintable(strStartIP));
+            continue;
+        }
+
+        const QString strEndIP = cleanupIPAddress(IPs.at(1));
+        if (strEndIP.isEmpty()) {
+            qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
+            qDebug("End IP of the range is malformated: %s", qPrintable(strEndIP));
+            continue;
+        }
+
+        libt::address endAddr = libt::address::from_string(qPrintable(strEndIP), ec);
+        if (ec) {
+            qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
+            qDebug("End IP of the range is malformated: %s", qPrintable(strEndIP));
+            continue;
+        }
+
+        if (startAddr.is_v4() != endAddr.is_v4()) {
+            qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
+            qDebug("One IP is IPv4 and the other is IPv6!");
+            continue;
+        }
+
+        // Check if there is an access value (apparently not mandatory)
+        int nbAccess = 0;
+        if (nbElem > 1) {
+            // There is possibly one
+            nbAccess = partsList.at(1).trimmed().toInt();
+        }
+
+        if (nbAccess > 127) {
+            // Ignoring this rule because access value is too high
+            continue;
+        }
+
+        // Now Add to the filter
+        try {
+            filter.add_rule(startAddr, endAddr, libt::ip_filter::blocked);
+            ++ruleCount;
+        }
+        catch(std::exception &) {
+            qDebug("Bad line in filter file, avoided crash...");
+        }
+    }
+
+    file.close();
+    return ruleCount;
+}
+
+// Parser for PeerGuardian ip filter in p2p format
+int FilterParserThread::parseP2PFilterFile(QString m_filePath, libt::ip_filter &filter)
+{
+    int ruleCount = 0;
+    QFile file(m_filePath);
+    if (!file.exists()) return ruleCount;
+
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        Logger::instance()->addMessage(tr("I/O Error: Could not open ip filer file in read mode."), Log::CRITICAL);
+        return ruleCount;
+    }
+
+    unsigned int nbLine = 0;
+    while (!file.atEnd() && !m_abort) {
+        ++nbLine;
+        QByteArray line = file.readLine().trimmed();
+        if (line.isEmpty()) continue;
+        // Ignoring commented lines
+        if (line.startsWith('#') || line.startsWith("//")) continue;
+
+        // Line is splitted by :
+        QList<QByteArray> partsList = line.split(':');
+        if (partsList.size() < 2) {
+            qDebug("p2p file: line %d is malformed.", nbLine);
+            continue;
+        }
+
+        // Get IP range
+        QList<QByteArray> IPs = partsList.last().split('-');
+        if (IPs.size() != 2) {
+            qDebug("p2p file: line %d is malformed.", nbLine);
+            qDebug("line was: %s", line.constData());
+            continue;
+        }
+
+        boost::system::error_code ec;
+        QString strStartIP = cleanupIPAddress(IPs.at(0));
+        if (strStartIP.isEmpty()) {
+            qDebug("p2p file: line %d is malformed.", nbLine);
+            qDebug("Start IP is invalid: %s", qPrintable(strStartIP));
+            continue;
+        }
+
+        libt::address startAddr = libt::address::from_string(qPrintable(strStartIP), ec);
+        if (ec) {
+            qDebug("p2p file: line %d is malformed.", nbLine);
+            qDebug("Start IP is invalid: %s", qPrintable(strStartIP));
+            continue;
+        }
+
+        QString strEndIP = cleanupIPAddress(IPs.at(1));
+        if (strEndIP.isEmpty()) {
+            qDebug("p2p file: line %d is malformed.", nbLine);
+            qDebug("End IP is invalid: %s", qPrintable(strStartIP));
+            continue;
+        }
+
+        libt::address endAddr = libt::address::from_string(qPrintable(strEndIP), ec);
+        if (ec) {
+            qDebug("p2p file: line %d is malformed.", nbLine);
+            qDebug("End IP is invalid: %s", qPrintable(strStartIP));
+            continue;
+        }
+
+        if (startAddr.is_v4() != endAddr.is_v4()) {
+            qDebug("p2p file: line %d is malformed.", nbLine);
+            qDebug("Line was: %s", line.constData());
+            continue;
+        }
+
+        try {
+            filter.add_rule(startAddr, endAddr, libt::ip_filter::blocked);
+            ++ruleCount;
+        }
+        catch(std::exception &) {
+            qDebug("p2p file: line %d is malformed.", nbLine);
+            qDebug("Line was: %s", line.constData());
+            continue;
+        }
+    }
+
+    file.close();
+    return ruleCount;
+}
+
+int FilterParserThread::getlineInStream(QDataStream &stream, std::string &name, char delim)
+{
+    char c;
+    int total_read = 0;
+    int read;
+    do {
+        read = stream.readRawData(&c, 1);
+        total_read += read;
+        if (read > 0) {
+            if (c != delim) {
+                name += c;
+            }
+            else {
+                // Delim found
+                return total_read;
+            }
+        }
+    }
+    while(read > 0);
+
+    return total_read;
+}
+
+// Parser for PeerGuardian ip filter in p2p format
+int FilterParserThread::parseP2BFilterFile(QString m_filePath, libt::ip_filter &filter)
+{
+    int ruleCount = 0;
+    QFile file(m_filePath);
+    if (!file.exists()) return ruleCount;
+
+    if (!file.open(QIODevice::ReadOnly)) {
+        Logger::instance()->addMessage(tr("I/O Error: Could not open ip filer file in read mode."), Log::CRITICAL);
+        return ruleCount;
+    }
+
+    QDataStream stream(&file);
+    // Read header
+    char buf[7];
+    unsigned char version;
+    if (!stream.readRawData(buf, sizeof(buf))
+        || memcmp(buf, "\xFF\xFF\xFF\xFFP2B", 7)
+        || !stream.readRawData((char*)&version, sizeof(version))) {
+        Logger::instance()->addMessage(tr("Parsing Error: The filter file is not a valid PeerGuardian P2B file."), Log::CRITICAL);
+        return ruleCount;
+    }
+
+    if ((version == 1) || (version == 2)) {
+        qDebug ("p2b version 1 or 2");
+        unsigned int start, end;
+
+        std::string name;
+        while(getlineInStream(stream, name, '\0') && !m_abort) {
+            if (!stream.readRawData((char*)&start, sizeof(start))
+                || !stream.readRawData((char*)&end, sizeof(end))) {
+                Logger::instance()->addMessage(tr("Parsing Error: The filter file is not a valid PeerGuardian P2B file."), Log::CRITICAL);
+                return ruleCount;
+            }
+
+            // Network byte order to Host byte order
+            // asio address_v4 contructor expects it
+            // that way
+            libt::address_v4 first(ntohl(start));
+            libt::address_v4 last(ntohl(end));
+            // Apply to bittorrent session
+            try {
+                filter.add_rule(first, last, libt::ip_filter::blocked);
+                ++ruleCount;
+            }
+            catch(std::exception &) {}
+        }
+    }
+    else if (version == 3) {
+        qDebug ("p2b version 3");
+        unsigned int namecount;
+        if (!stream.readRawData((char*)&namecount, sizeof(namecount))) {
+            Logger::instance()->addMessage(tr("Parsing Error: The filter file is not a valid PeerGuardian P2B file."), Log::CRITICAL);
+            return ruleCount;
+        }
+
+        namecount = ntohl(namecount);
+        // Reading names although, we don't really care about them
+        for (unsigned int i = 0; i < namecount; ++i) {
+            std::string name;
+            if (!getlineInStream(stream, name, '\0')) {
+                Logger::instance()->addMessage(tr("Parsing Error: The filter file is not a valid PeerGuardian P2B file."), Log::CRITICAL);
+                return ruleCount;
+            }
+
+            if (m_abort) return ruleCount;
+        }
+
+        // Reading the ranges
+        unsigned int rangecount;
+        if (!stream.readRawData((char*)&rangecount, sizeof(rangecount))) {
+            Logger::instance()->addMessage(tr("Parsing Error: The filter file is not a valid PeerGuardian P2B file."), Log::CRITICAL);
+            return ruleCount;
+        }
+
+        rangecount = ntohl(rangecount);
+        unsigned int name, start, end;
+        for (unsigned int i = 0; i < rangecount; ++i) {
+            if (!stream.readRawData((char*)&name, sizeof(name))
+                || !stream.readRawData((char*)&start, sizeof(start))
+                || !stream.readRawData((char*)&end, sizeof(end))) {
+                Logger::instance()->addMessage(tr("Parsing Error: The filter file is not a valid PeerGuardian P2B file."), Log::CRITICAL);
+                return ruleCount;
+            }
+
+            // Network byte order to Host byte order
+            // asio address_v4 contructor expects it
+            // that way
+            libt::address_v4 first(ntohl(start));
+            libt::address_v4 last(ntohl(end));
+            // Apply to bittorrent session
+            try {
+                filter.add_rule(first, last, libt::ip_filter::blocked);
+                ++ruleCount;
+            }
+            catch(std::exception &) {}
+
+            if (m_abort) return ruleCount;
+        }
+    }
+    else {
+        Logger::instance()->addMessage(tr("Parsing Error: The filter file is not a valid PeerGuardian P2B file."), Log::CRITICAL);
+    }
+
+    file.close();
+    return ruleCount;
+}
+
+// Process ip filter file
+// Supported formats:
+//  * eMule IP list (DAT): http://wiki.phoenixlabs.org/wiki/DAT_Format
+//  * PeerGuardian Text (P2P): http://wiki.phoenixlabs.org/wiki/P2P_Format
+//  * PeerGuardian Binary (P2B): http://wiki.phoenixlabs.org/wiki/P2B_Format
+void FilterParserThread::processFilterFile(QString _filePath)
+{
+    if (isRunning()) {
+        // Already parsing a filter, m_abort first
+        m_abort = true;
+        wait();
+    }
+
+    m_abort = false;
+    m_filePath = _filePath;
+    // Run it
+    start();
+}
+
+void FilterParserThread::processFilterList(libt::session *s, const QStringList &IPs)
+{
+    // First, import current filter
+    libt::ip_filter filter = s->get_ip_filter();
+    foreach (const QString &ip, IPs) {
+        qDebug("Manual ban of peer %s", ip.toLocal8Bit().constData());
+        boost::system::error_code ec;
+        libt::address addr = libt::address::from_string(ip.toLocal8Bit().constData(), ec);
+        Q_ASSERT(!ec);
+        if (!ec)
+            filter.add_rule(addr, addr, libt::ip_filter::blocked);
+    }
+
+    s->set_ip_filter(filter);
+}
+
+QString FilterParserThread::cleanupIPAddress(QString _ip)
+{
+    QHostAddress ip(_ip.trimmed());
+    if (ip.isNull()) return QString();
+
+    return ip.toString();
+}
+
+void FilterParserThread::run()
+{
+    qDebug("Processing filter file");
+    libt::ip_filter filter = m_session->get_ip_filter();
+    int ruleCount = 0;
+    if (m_filePath.endsWith(".p2p", Qt::CaseInsensitive)) {
+        // PeerGuardian p2p file
+        ruleCount = parseP2PFilterFile(m_filePath, filter);
+    }
+    else if (m_filePath.endsWith(".p2b", Qt::CaseInsensitive)) {
+        // PeerGuardian p2b file
+        ruleCount = parseP2BFilterFile(m_filePath, filter);
+    }
+    else if (m_filePath.endsWith(".dat", Qt::CaseInsensitive)) {
+        // eMule DAT format
+        ruleCount = parseDATFilterFile(m_filePath, filter);
+    }
+
+    if (m_abort) return;
+
+    try {
+        m_session->set_ip_filter(filter);
+        emit IPFilterParsed(ruleCount);
+    }
+    catch(std::exception &) {
+        emit IPFilterError();
+    }
+
+    qDebug("IP Filter thread: finished parsing, filter applied");
+}

src/core/bittorrent/private/filterparserthread.h

@@ -1,5 +1,5 @@
 /*
- * Bittorrent Client using Qt4 and libtorrent.
+ * Bittorrent Client using Qt and libtorrent.
  * Copyright (C) 2006  Christophe Dumez
  *
  * This program is free software; you can redistribute it and/or
@@ -32,38 +32,30 @@
 #define FILTERPARSERTHREAD_H
 
 #include <QThread>
-#include <QDataStream>
-#include <QStringList>
 
-namespace libtorrent {
-class session;
-struct ip_filter;
+class QDataStream;
+class QStringList;
+
+namespace libtorrent
+{
+    class session;
+    struct ip_filter;
 }
 
-using namespace std;
-
-// P2B Stuff
-#include <string.h>
-#ifdef Q_OS_WIN
-#include <Winsock2.h>
-#else
-#include <arpa/inet.h>
-#endif
-// End of P2B stuff
-
-class FilterParserThread : public QThread  {
+class FilterParserThread : public QThread
+{
     Q_OBJECT
 
 public:
-    FilterParserThread(QObject* parent, libtorrent::session *s);
+    FilterParserThread(libtorrent::session *s, QObject *parent = 0);
     ~FilterParserThread();
 
-    int parseDATFilterFile(QString filePath, libtorrent::ip_filter& filter);
-    int parseP2PFilterFile(QString filePath, libtorrent::ip_filter& filter);
-    int getlineInStream(QDataStream& stream, string& name, char delim);
-    int parseP2BFilterFile(QString filePath, libtorrent::ip_filter& filter);
+    int parseDATFilterFile(QString filePath, libtorrent::ip_filter &filter);
+    int parseP2PFilterFile(QString filePath, libtorrent::ip_filter &filter);
+    int getlineInStream(QDataStream &stream, std::string &name, char delim);
+    int parseP2BFilterFile(QString filePath, libtorrent::ip_filter &filter);
     void processFilterFile(QString _filePath);
-    static void processFilterList(libtorrent::session *s, const QStringList& IPs);
+    static void processFilterList(libtorrent::session *s, const QStringList &IPs);
 
 signals:
     void IPFilterParsed(int ruleCount);
@@ -74,9 +66,9 @@ protected:
     void run();
 
 private:
-    libtorrent::session *s;
-    bool abort;
-    QString filePath;
+    libtorrent::session *m_session;
+    bool m_abort;
+    QString m_filePath;
 };
 
-#endif
+#endif // BITTORRENT_FILTERPARSERTHREAD_H

src/core/bittorrent/private/sessionprivate.h

@@ -0,0 +1,83 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef SESSIONPRIVATE_H
+#define SESSIONPRIVATE_H
+
+class QString;
+class QUrl;
+template<typename T> class QList;
+
+namespace libtorrent
+{
+    class entry;
+}
+
+namespace BitTorrent
+{
+    class TorrentHandle;
+    class TrackerEntry;
+}
+
+struct SessionPrivate
+{
+    virtual bool isQueueingEnabled() const = 0;
+    virtual bool isTempPathEnabled() const = 0;
+    virtual bool isAppendExtensionEnabled() const = 0;
+    virtual bool useAppendLabelToSavePath() const = 0;
+#ifndef DISABLE_COUNTRIES_RESOLUTION
+    virtual bool isResolveCountriesEnabled() const = 0;
+#endif
+    virtual QString defaultSavePath() const = 0;
+    virtual QString tempPath() const = 0;
+    virtual qreal globalMaxRatio() const = 0;
+
+    virtual void handleTorrentRatioLimitChanged(BitTorrent::TorrentHandle *const torrent) = 0;
+    virtual void handleTorrentSavePathChanged(BitTorrent::TorrentHandle *const torrent) = 0;
+    virtual void handleTorrentMetadataReceived(BitTorrent::TorrentHandle *const torrent) = 0;
+    virtual void handleTorrentPaused(BitTorrent::TorrentHandle *const torrent) = 0;
+    virtual void handleTorrentResumed(BitTorrent::TorrentHandle *const torrent) = 0;
+    virtual void handleTorrentChecked(BitTorrent::TorrentHandle *const torrent) = 0;
+    virtual void handleTorrentFinished(BitTorrent::TorrentHandle *const torrent) = 0;
+    virtual void handleTorrentTrackersAdded(BitTorrent::TorrentHandle *const torrent, const QList<BitTorrent::TrackerEntry> &newTrackers) = 0;
+    virtual void handleTorrentTrackersRemoved(BitTorrent::TorrentHandle *const torrent, const QList<BitTorrent::TrackerEntry> &deletedTrackers) = 0;
+    virtual void handleTorrentTrackersChanged(BitTorrent::TorrentHandle *const torrent) = 0;
+    virtual void handleTorrentUrlSeedsAdded(BitTorrent::TorrentHandle *const torrent, const QList<QUrl> &newUrlSeeds) = 0;
+    virtual void handleTorrentUrlSeedsRemoved(BitTorrent::TorrentHandle *const torrent, const QList<QUrl> &urlSeeds) = 0;
+    virtual void handleTorrentResumeDataReady(BitTorrent::TorrentHandle *const torrent, const libtorrent::entry &data) = 0;
+    virtual void handleTorrentResumeDataFailed(BitTorrent::TorrentHandle *const torrent) = 0;
+    virtual void handleTorrentTrackerReply(BitTorrent::TorrentHandle *const torrent, const QString &trackerUrl) = 0;
+    virtual void handleTorrentTrackerWarning(BitTorrent::TorrentHandle *const torrent, const QString &trackerUrl) = 0;
+    virtual void handleTorrentTrackerError(BitTorrent::TorrentHandle *const torrent, const QString &trackerUrl) = 0;
+    virtual void handleTorrentTrackerAuthenticationRequired(BitTorrent::TorrentHandle *const torrent, const QString &trackerUrl) = 0;
+
+protected:
+    ~SessionPrivate() {}
+};
+
+#endif // SESSIONPRIVATE_H

src/core/bittorrent/private/speedmonitor.cpp

@@ -0,0 +1,56 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2011  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include <QList>
+#include "speedmonitor.h"
+
+void SpeedMonitor::addSample(const SpeedSample &sample)
+{
+    m_speedSamples.push_back(sample);
+    m_sum += sample;
+    if (m_speedSamples.size() > MAX_SAMPLES) {
+        m_sum -= m_speedSamples.front();
+        m_speedSamples.pop_front();
+    }
+}
+
+SpeedSampleAvg SpeedMonitor::average() const
+{
+    if (m_speedSamples.empty())
+        return SpeedSampleAvg();
+
+    qreal k = qreal(1.) / m_speedSamples.size();
+    return SpeedSampleAvg(m_sum.download * k, m_sum.upload * k);
+}
+
+void SpeedMonitor::reset()
+{
+    m_sum = SpeedSample();
+    m_speedSamples.clear();
+}

src/core/bittorrent/private/speedmonitor.h

@@ -0,0 +1,84 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2011  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef SPEEDMONITOR_H
+#define SPEEDMONITOR_H
+
+template<typename T> class QList;
+
+template<typename T>
+struct Sample
+{
+    Sample()
+        : download()
+        , upload()
+    {
+    }
+
+    Sample(T dl, T ul)
+        : download(dl)
+        , upload(ul)
+    {
+    }
+
+    Sample<T> &operator+=(const Sample<T> &other)
+    {
+        download += other.download;
+        upload   += other.upload;
+        return *this;
+    }
+
+    Sample<T> &operator-=(const Sample<T> &other)
+    {
+        download -= other.download;
+        upload   -= other.upload;
+        return *this;
+    }
+
+    T download;
+    T upload;
+};
+
+typedef Sample<qlonglong> SpeedSample;
+typedef Sample<qreal> SpeedSampleAvg;
+
+class SpeedMonitor
+{
+public:
+    void addSample(const SpeedSample &sample);
+    SpeedSampleAvg average() const;
+    void reset();
+
+private:
+    static const int MAX_SAMPLES = 30;
+    QList<SpeedSample> m_speedSamples;
+    SpeedSample m_sum;
+};
+
+#endif // SPEEDMONITOR_H

src/core/bittorrent/private/statistics.cpp

@@ -0,0 +1,115 @@
+#include <QDateTime>
+
+#include <libtorrent/session.hpp>
+
+#include "core/qinisettings.h"
+#include "core/preferences.h"
+#include "core/bittorrent/sessionstatus.h"
+#include "core/bittorrent/session.h"
+#include "statistics.h"
+
+static const qint64 SAVE_INTERVAL = 15 * 60 * 1000;
+
+namespace libt = libtorrent;
+using namespace BitTorrent;
+
+Statistics::Statistics(Session *session)
+    : QObject(session)
+    , m_session(session)
+    , m_sessionUL(0)
+    , m_sessionDL(0)
+    , m_lastWrite(0)
+    , m_dirty(false)
+{
+    load();
+    connect(&m_timer, SIGNAL(timeout()), this, SLOT(gather()));
+    m_timer.start(60 * 1000);
+}
+
+Statistics::~Statistics()
+{
+    if (m_dirty)
+        m_lastWrite = 0;
+    save();
+}
+
+quint64 Statistics::getAlltimeDL() const
+{
+    return m_alltimeDL + m_sessionDL;
+}
+
+quint64 Statistics::getAlltimeUL() const
+{
+    return m_alltimeUL + m_sessionUL;
+}
+
+void Statistics::gather()
+{
+    SessionStatus ss = m_session->status();
+    if (ss.totalDownload() > m_sessionDL) {
+        m_sessionDL = ss.totalDownload();
+        m_dirty = true;
+    }
+    if (ss.totalUpload() > m_sessionUL) {
+        m_sessionUL = ss.totalUpload();
+        m_dirty = true;
+    }
+
+    save();
+}
+
+void Statistics::save() const
+{
+    qint64 now = QDateTime::currentMSecsSinceEpoch();
+
+    if (!m_dirty || ((now - m_lastWrite) < SAVE_INTERVAL))
+        return;
+
+    QIniSettings s("qBittorrent", "qBittorrent-data");
+    QVariantHash v;
+    v.insert("AlltimeDL", m_alltimeDL + m_sessionDL);
+    v.insert("AlltimeUL", m_alltimeUL + m_sessionUL);
+    s.setValue("Stats/AllStats", v);
+    m_dirty = false;
+    m_lastWrite = now;
+}
+
+void Statistics::load()
+{
+    // Temp code. Versions v3.1.4 and v3.1.5 saved the data in the qbittorrent.ini file.
+    // This code reads the data from there, writes it to the new file, and removes the keys
+    // from the old file. This code should be removed after some time has passed.
+    // e.g. When we reach v3.3.0
+    // Don't forget to remove:
+    // 1. Preferences::getStats()
+    // 2. Preferences::removeStats()
+    // 3. #include "core/preferences.h"
+    Preferences* const pref = Preferences::instance();
+    QIniSettings s("qBittorrent", "qBittorrent-data");
+    QVariantHash v = pref->getStats();
+
+    // Let's test if the qbittorrent.ini holds the key
+    if (!v.isEmpty()) {
+        m_dirty = true;
+
+        // If the user has used qbt > 3.1.5 and then reinstalled/used
+        // qbt < 3.1.6, there will be stats in qbittorrent-data.ini too
+        // so we need to merge those 2.
+        if (s.contains("Stats/AllStats")) {
+            QVariantHash tmp = s.value("Stats/AllStats").toHash();
+            v["AlltimeDL"] = v["AlltimeDL"].toULongLong() + tmp["AlltimeDL"].toULongLong();
+            v["AlltimeUL"] = v["AlltimeUL"].toULongLong() + tmp["AlltimeUL"].toULongLong();
+        }
+    }
+    else {
+        v = s.value("Stats/AllStats").toHash();
+    }
+
+    m_alltimeDL = v["AlltimeDL"].toULongLong();
+    m_alltimeUL = v["AlltimeUL"].toULongLong();
+
+    if (m_dirty) {
+        save();
+        pref->removeStats();
+    }
+}

src/core/bittorrent/private/statistics.h

@@ -0,0 +1,41 @@
+#ifndef STATISTICS_H
+#define STATISTICS_H
+
+#include <QObject>
+#include <QTimer>
+
+namespace BitTorrent { class Session; }
+
+class Statistics : QObject
+{
+    Q_OBJECT
+    Q_DISABLE_COPY(Statistics)
+
+public:
+    Statistics(BitTorrent::Session *session);
+    ~Statistics();
+
+    quint64 getAlltimeDL() const;
+    quint64 getAlltimeUL() const;
+
+private slots:
+    void gather();
+
+private:
+    void save() const;
+    void load();
+
+private:
+    BitTorrent::Session *m_session;
+    // Will overflow at 15.9 EiB
+    quint64 m_alltimeUL;
+    quint64 m_alltimeDL;
+    qint64 m_sessionUL;
+    qint64 m_sessionDL;
+    mutable qint64 m_lastWrite;
+    mutable bool m_dirty;
+
+    QTimer m_timer;
+};
+
+#endif // STATISTICS_H

src/core/bittorrent/private/torrenthandleprivate.h

@@ -0,0 +1,53 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef TORRENTHANDLEPRIVATE_H
+#define TORRENTHANDLEPRIVATE_H
+
+namespace libtorrent
+{
+    class alert;
+    struct torrent_status;
+}
+
+struct TorrentHandlePrivate
+{
+    virtual void handleAlert(libtorrent::alert *) = 0;
+    virtual void handleStateUpdate(const libtorrent::torrent_status &) = 0;
+    virtual void handleDefaultSavePathChanged() = 0;
+    virtual void handleTempPathChanged() = 0;
+    virtual void handleAppendExtensionToggled() = 0;
+#ifndef DISABLE_COUNTRIES_RESOLUTION
+    virtual void handleResolveCountriesToggled() = 0;
+#endif
+
+protected:
+    ~TorrentHandlePrivate() {}
+};
+
+#endif // TORRENTHANDLEPRIVATE_H

src/core/bittorrent/session.h

@@ -0,0 +1,365 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef BITTORRENT_SESSION_H
+#define BITTORRENT_SESSION_H
+
+#include <QFile>
+#include <QHash>
+#include <QPointer>
+#include <QVector>
+#include <QMutex>
+#include <QWaitCondition>
+
+#include "core/tristatebool.h"
+#include "core/types.h"
+#include "private/sessionprivate.h"
+#include "torrentinfo.h"
+
+namespace libtorrent
+{
+    class session;
+    struct add_torrent_params;
+    struct pe_settings;
+    struct proxy_settings;
+    struct session_settings;
+    struct session_status;
+
+    class alert;
+    struct torrent_alert;
+    struct state_update_alert;
+    struct stats_alert;
+    struct add_torrent_alert;
+    struct torrent_checked_alert;
+    struct torrent_finished_alert;
+    struct torrent_removed_alert;
+    struct torrent_deleted_alert;
+    struct torrent_paused_alert;
+    struct torrent_resumed_alert;
+    struct save_resume_data_alert;
+    struct save_resume_data_failed_alert;
+    struct file_renamed_alert;
+    struct storage_moved_alert;
+    struct storage_moved_failed_alert;
+    struct metadata_received_alert;
+    struct file_error_alert;
+    struct file_completed_alert;
+    struct tracker_error_alert;
+    struct tracker_reply_alert;
+    struct tracker_warning_alert;
+    struct portmap_error_alert;
+    struct portmap_alert;
+    struct peer_blocked_alert;
+    struct peer_ban_alert;
+    struct fastresume_rejected_alert;
+    struct url_seed_alert;
+    struct listen_succeeded_alert;
+    struct listen_failed_alert;
+    struct external_ip_alert;
+}
+
+QT_BEGIN_NAMESPACE
+class QTimer;
+class QStringList;
+QT_END_NAMESPACE
+
+class FilterParserThread;
+class BandwidthScheduler;
+class Statistics;
+
+typedef QPair<QString, QString> QStringPair;
+
+namespace BitTorrent
+{
+    class InfoHash;
+    class CacheStatus;
+    class SessionStatus;
+    class TorrentHandle;
+    class Tracker;
+    class MagnetUri;
+    class TrackerEntry;
+    struct AddTorrentData;
+
+    struct AddTorrentParams
+    {
+        QString name;
+        QString label;
+        QString savePath;
+        bool disableTempPath; // e.g. for imported torrents
+        bool sequential;
+        TriStateBool addPaused;
+        QVector<int> filePriorities; // used if TorrentInfo is set
+        bool ignoreShareRatio;
+        bool skipChecking;
+
+        AddTorrentParams();
+    };
+
+    struct TorrentStatusReport
+    {
+        uint nbDownloading;
+        uint nbSeeding;
+        uint nbCompleted;
+        uint nbActive;
+        uint nbInactive;
+        uint nbPaused;
+        uint nbResumed;
+
+        TorrentStatusReport();
+    };
+
+    class Session : public QObject, public SessionPrivate
+    {
+        Q_OBJECT
+        Q_DISABLE_COPY(Session)
+
+    public:
+        static void initInstance();
+        static void freeInstance();
+        static Session *instance();
+
+        bool isDHTEnabled() const;
+        bool isLSDEnabled() const;
+        bool isPexEnabled() const;
+        bool isQueueingEnabled() const;
+        qreal globalMaxRatio() const;
+
+        TorrentHandle *findTorrent(const InfoHash &hash) const;
+        QHash<InfoHash, TorrentHandle *> torrents() const;
+        bool hasActiveTorrents() const;
+        bool hasUnfinishedTorrents() const;
+        SessionStatus status() const;
+        CacheStatus cacheStatus() const;
+        quint64 getAlltimeDL() const;
+        quint64 getAlltimeUL() const;
+        int downloadRateLimit() const;
+        int uploadRateLimit() const;
+        bool isListening() const;
+
+        void changeSpeedLimitMode(bool alternative);
+        void setDownloadRateLimit(int rate);
+        void setUploadRateLimit(int rate);
+        void setGlobalMaxRatio(qreal ratio);
+        void enableIPFilter(const QString &filterPath, bool force = false);
+        void disableIPFilter();
+        void banIP(const QString &ip);
+
+        bool isKnownTorrent(const InfoHash &hash) const;
+        bool addTorrent(QString source, const AddTorrentParams &params = AddTorrentParams());
+        bool addTorrent(const TorrentInfo &torrentInfo, const AddTorrentParams &params = AddTorrentParams());
+        bool deleteTorrent(const QString &hash, bool deleteLocalFiles = false);
+        bool loadMetadata(const QString &magnetUri);
+        bool cancelLoadMetadata(const InfoHash &hash);
+
+        void recursiveTorrentDownload(const InfoHash &hash);
+        void increaseTorrentsPriority(const QStringList &hashes);
+        void decreaseTorrentsPriority(const QStringList &hashes);
+        void topTorrentsPriority(const QStringList &hashes);
+        void bottomTorrentsPriority(const QStringList &hashes);
+
+    signals:
+        void torrentsUpdated(const BitTorrent::TorrentStatusReport &torrentStatusReport = BitTorrent::TorrentStatusReport());
+        void addTorrentFailed(const QString &error);
+        void torrentAdded(BitTorrent::TorrentHandle *const torrent);
+        void torrentAboutToBeRemoved(BitTorrent::TorrentHandle *const torrent);
+        void torrentStatusUpdated(BitTorrent::TorrentHandle *const torrent);
+        void torrentPaused(BitTorrent::TorrentHandle *const torrent);
+        void torrentResumed(BitTorrent::TorrentHandle *const torrent);
+        void torrentFinished(BitTorrent::TorrentHandle *const torrent);
+        void torrentFinishedChecking(BitTorrent::TorrentHandle *const torrent);
+        void torrentSavePathChanged(BitTorrent::TorrentHandle *const torrent);
+        void allTorrentsFinished();
+        void metadataLoaded(const BitTorrent::TorrentInfo &info);
+        void torrentMetadataLoaded(BitTorrent::TorrentHandle *const torrent);
+        void fullDiskError(BitTorrent::TorrentHandle *const torrent, const QString &msg);
+        void trackerSuccess(BitTorrent::TorrentHandle *const torrent, const QString &tracker);
+        void trackerWarning(BitTorrent::TorrentHandle *const torrent, const QString &tracker);
+        void trackerError(BitTorrent::TorrentHandle *const torrent, const QString &tracker);
+        void trackerAuthenticationRequired(BitTorrent::TorrentHandle *const torrent);
+        void recursiveTorrentDownloadPossible(BitTorrent::TorrentHandle *const torrent);
+        void speedLimitModeChanged(bool alternative);
+        void ipFilterParsed(bool error, int ruleCount);
+        void trackersAdded(BitTorrent::TorrentHandle *const torrent, const QList<BitTorrent::TrackerEntry> &trackers);
+        void trackersRemoved(BitTorrent::TorrentHandle *const torrent, const QList<BitTorrent::TrackerEntry> &trackers);
+        void trackersChanged(BitTorrent::TorrentHandle *const torrent);
+        void trackerlessStateChanged(BitTorrent::TorrentHandle *const torrent, bool trackerless);
+        void downloadFromUrlFailed(const QString &url, const QString &reason);
+        void downloadFromUrlFinished(const QString &url);
+
+    private slots:
+        void configure();
+        void readAlerts();
+        void refresh();
+        void processBigRatios();
+        void generateResumeData(bool final = false);
+        void handleIPFilterParsed(int ruleCount);
+        void handleIPFilterError();
+        void handleDownloadFinished(const QString &url, const QString &filePath);
+        void handleDownloadFailed(const QString &url, const QString &reason);
+        void handleRedirectedToMagnet(const QString &url, const QString &magnetUri);
+
+    private:
+        explicit Session(QObject *parent = 0);
+        ~Session();
+
+        bool hasPerTorrentRatioLimit() const;
+
+        void initResumeFolder();
+        void loadState();
+        void saveState();
+
+        // Session configuration
+        void setSessionSettings();
+        void setProxySettings(libtorrent::proxy_settings proxySettings);
+        void adjustLimits();
+        void adjustLimits(libtorrent::session_settings &sessionSettings);
+        void setListeningPort(int port);
+        void setDefaultSavePath(const QString &path);
+        void setDefaultTempPath(const QString &path = QString());
+        void preAllocateAllFiles(bool b);
+        void setMaxConnectionsPerTorrent(int max);
+        void setMaxUploadsPerTorrent(int max);
+        void enableLSD(bool enable);
+        void enableDHT(bool enable);
+
+        void setAppendLabelToSavePath(bool append);
+        void setAppendExtension(bool append);
+
+        void startUpTorrents();
+        bool addTorrent_impl(const AddTorrentData &addData, const MagnetUri &magnetUri,
+                             const TorrentInfo &torrentInfo = TorrentInfo(),
+                             const QByteArray &fastresumeData = QByteArray());
+
+        void updateRatioTimer();
+        void exportTorrentFile(TorrentHandle *const torrent, TorrentExportFolder folder = TorrentExportFolder::Regular);
+        void exportTorrentFiles(QString path);
+        void saveTorrentResumeData(TorrentHandle *const torrent);
+
+        void handleAlert(libtorrent::alert *a);
+        void dispatchTorrentAlert(libtorrent::alert *a);
+        void handleAddTorrentAlert(libtorrent::add_torrent_alert *p);
+        void handleStateUpdateAlert(libtorrent::state_update_alert *p);
+        void handleMetadataReceivedAlert(libtorrent::metadata_received_alert *p);
+        void handleFileErrorAlert(libtorrent::file_error_alert *p);
+        void handleTorrentRemovedAlert(libtorrent::torrent_removed_alert *p);
+        void handleTorrentDeletedAlert(libtorrent::torrent_deleted_alert *p);
+        void handlePortmapWarningAlert(libtorrent::portmap_error_alert *p);
+        void handlePortmapAlert(libtorrent::portmap_alert *p);
+        void handlePeerBlockedAlert(libtorrent::peer_blocked_alert *p);
+        void handlePeerBanAlert(libtorrent::peer_ban_alert *p);
+        void handleUrlSeedAlert(libtorrent::url_seed_alert *p);
+        void handleListenSucceededAlert(libtorrent::listen_succeeded_alert *p);
+        void handleListenFailedAlert(libtorrent::listen_failed_alert *p);
+        void handleExternalIPAlert(libtorrent::external_ip_alert *p);
+
+        bool isTempPathEnabled() const;
+        bool isAppendExtensionEnabled() const;
+        bool useAppendLabelToSavePath() const;
+    #ifndef DISABLE_COUNTRIES_RESOLUTION
+        bool isResolveCountriesEnabled() const;
+    #endif
+        QString defaultSavePath() const;
+        QString tempPath() const;
+        void handleTorrentRatioLimitChanged(TorrentHandle *const torrent);
+        void handleTorrentSavePathChanged(TorrentHandle *const torrent);
+        void handleTorrentMetadataReceived(TorrentHandle *const torrent);
+        void handleTorrentPaused(TorrentHandle *const torrent);
+        void handleTorrentResumed(TorrentHandle *const torrent);
+        void handleTorrentChecked(TorrentHandle *const torrent);
+        void handleTorrentFinished(TorrentHandle *const torrent);
+        void handleTorrentTrackersAdded(TorrentHandle *const torrent, const QList<TrackerEntry> &newTrackers);
+        void handleTorrentTrackersRemoved(TorrentHandle *const torrent, const QList<TrackerEntry> &deletedTrackers);
+        void handleTorrentTrackersChanged(TorrentHandle *const torrent);
+        void handleTorrentUrlSeedsAdded(TorrentHandle *const torrent, const QList<QUrl> &newUrlSeeds);
+        void handleTorrentUrlSeedsRemoved(TorrentHandle *const torrent, const QList<QUrl> &urlSeeds);
+        void handleTorrentResumeDataReady(TorrentHandle *const torrent, const libtorrent::entry &data);
+        void handleTorrentResumeDataFailed(TorrentHandle *const torrent);
+        void handleTorrentTrackerReply(TorrentHandle *const torrent, const QString &trackerUrl);
+        void handleTorrentTrackerWarning(TorrentHandle *const torrent, const QString &trackerUrl);
+        void handleTorrentTrackerError(TorrentHandle *const torrent, const QString &trackerUrl);
+        void handleTorrentTrackerAuthenticationRequired(TorrentHandle *const torrent, const QString &trackerUrl);
+
+        void saveResumeData();
+        bool writeResumeDataFile(TorrentHandle *const torrent, const libtorrent::entry &data);
+
+        void dispatchAlerts(std::auto_ptr<libtorrent::alert> alertPtr);
+        void getPendingAlerts(QVector<libtorrent::alert *> &out, ulong time = 0);
+
+        // BitTorrent
+        libtorrent::session *m_nativeSession;
+
+        bool m_LSDEnabled;
+        bool m_DHTEnabled;
+        bool m_PeXEnabled;
+        bool m_queueingEnabled;
+        bool m_torrentExportEnabled;
+        bool m_finishedTorrentExportEnabled;
+        bool m_preAllocateAll;
+        qreal m_globalMaxRatio;
+        int m_numResumeData;
+        int m_extraLimit;
+    #ifndef DISABLE_COUNTRIES_RESOLUTION
+        bool m_geoipDBLoaded;
+        bool m_resolveCountries;
+    #endif
+        bool m_appendLabelToSavePath;
+        bool m_appendExtension;
+        uint m_refreshInterval;
+        MaxRatioAction m_highRatioAction;
+        QString m_defaultSavePath;
+        QString m_tempPath;
+        QString m_filterPath;
+        QString m_resumeFolderPath;
+        QFile m_resumeFolderLock;
+        QHash<InfoHash, QString> m_savePathsToRemove;
+
+        QTimer *m_refreshTimer;
+        QTimer *m_bigRatioTimer;
+        QTimer *m_resumeDataTimer;
+        Statistics *m_statistics;
+        // IP filtering
+        QPointer<FilterParserThread> m_filterParser;
+        QPointer<BandwidthScheduler> m_bwScheduler;
+        // Tracker
+        QPointer<Tracker> m_tracker;
+
+        QHash<InfoHash, TorrentInfo> m_loadedMetadata;
+        QHash<InfoHash, TorrentHandle *> m_torrents;
+        QHash<InfoHash, AddTorrentData> m_addingTorrents;
+        QHash<QString, AddTorrentParams> m_downloadedTorrents;
+
+        QMutex m_alertsMutex;
+        QWaitCondition m_alertsWaitCondition;
+        QVector<libtorrent::alert *> m_alerts;
+
+        static Session *m_instance;
+    };
+}
+
+#endif // BITTORRENT_SESSION_H

src/core/bittorrent/sessionstatus.cpp

@@ -0,0 +1,96 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include "sessionstatus.h"
+
+using namespace BitTorrent;
+
+SessionStatus::SessionStatus(const libtorrent::session_status &nativeStatus)
+    : m_nativeStatus(nativeStatus)
+{
+}
+
+bool SessionStatus::hasIncomingConnections() const
+{
+    return m_nativeStatus.has_incoming_connections;
+}
+
+int SessionStatus::payloadDownloadRate() const
+{
+    return m_nativeStatus.payload_download_rate;
+}
+
+int SessionStatus::payloadUploadRate() const
+{
+    return m_nativeStatus.payload_upload_rate;
+}
+
+qlonglong SessionStatus::totalDownload() const
+{
+    return m_nativeStatus.total_download;
+}
+
+qlonglong SessionStatus::totalUpload() const
+{
+    return m_nativeStatus.total_upload;
+}
+
+qlonglong SessionStatus::totalPayloadDownload() const
+{
+    return m_nativeStatus.total_payload_download;
+}
+
+qlonglong SessionStatus::totalPayloadUpload() const
+{
+    return m_nativeStatus.total_payload_upload;
+}
+
+qlonglong SessionStatus::totalWasted() const
+{
+    return (m_nativeStatus.total_redundant_bytes + m_nativeStatus.total_failed_bytes);
+}
+
+int SessionStatus::diskReadQueue() const
+{
+    return m_nativeStatus.disk_read_queue;
+}
+
+int SessionStatus::diskWriteQueue() const
+{
+    return m_nativeStatus.disk_write_queue;
+}
+
+int SessionStatus::dhtNodes() const
+{
+    return m_nativeStatus.dht_nodes;
+}
+
+int SessionStatus::peersCount() const
+{
+    return m_nativeStatus.num_peers;
+}

src/core/bittorrent/sessionstatus.h

@@ -0,0 +1,69 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef BITTORRENT_SESSIONSTATUS_H
+#define BITTORRENT_SESSIONSTATUS_H
+
+#include <libtorrent/session_status.hpp>
+#include <QtGlobal>
+
+namespace BitTorrent
+{
+    class SessionStatus
+    {
+    public:
+        SessionStatus(const libtorrent::session_status &nativeStatus);
+
+        bool hasIncomingConnections() const;
+
+        // Return current download rate for the BT
+        // session. Payload means that it only take into
+        // account "useful" part of the rate
+        int payloadDownloadRate() const;
+
+        // Return current upload rate for the BT
+        // session. Payload means that it only take into
+        // account "useful" part of the rate
+        int payloadUploadRate() const;
+
+        qlonglong totalDownload() const;
+        qlonglong totalUpload() const;
+        qlonglong totalPayloadDownload() const;
+        qlonglong totalPayloadUpload() const;
+        qlonglong totalWasted() const;
+        int diskReadQueue() const;
+        int diskWriteQueue() const;
+        int dhtNodes() const;
+        int peersCount() const;
+
+    private:
+        libtorrent::session_status m_nativeStatus;
+    };
+}
+
+#endif // BITTORRENT_SESSIONSTATUS_H

src/core/bittorrent/torrentcreatorthread.cpp

@@ -0,0 +1,166 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2010  Christophe Dumez
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#include <libtorrent/version.hpp>
+#include <libtorrent/entry.hpp>
+#include <libtorrent/bencode.hpp>
+#include <libtorrent/torrent_info.hpp>
+#include <libtorrent/file.hpp>
+#include <libtorrent/storage.hpp>
+#include <libtorrent/hasher.hpp>
+#include <libtorrent/file_pool.hpp>
+#include <libtorrent/create_torrent.hpp>
+#include <QFile>
+#include <QDir>
+
+#include <boost/bind.hpp>
+#include <iostream>
+#include <fstream>
+
+#include "core/fs_utils.h"
+#include "core/misc.h"
+#include "core/utils/string.h"
+#include "torrentcreatorthread.h"
+
+namespace libt = libtorrent;
+using namespace BitTorrent;
+
+// do not include files and folders whose
+// name starts with a .
+bool fileFilter(const std::string &f)
+{
+    return (libt::filename(f)[0] != '.');
+}
+
+TorrentCreatorThread::TorrentCreatorThread(QObject *parent)
+    : QThread(parent)
+{
+}
+
+TorrentCreatorThread::~TorrentCreatorThread()
+{
+    m_abort = true;
+    wait();
+}
+
+void TorrentCreatorThread::create(const QString &inputPath, const QString &savePath, const QStringList &trackers,
+                                  const QStringList &urlSeeds, const QString &comment, bool isPrivate, int pieceSize)
+{
+    m_inputPath = fsutils::fromNativePath(inputPath);
+    m_savePath = fsutils::fromNativePath(savePath);
+    if (QFile(m_savePath).exists())
+        fsutils::forceRemove(m_savePath);
+    m_trackers = trackers;
+    m_urlSeeds = urlSeeds;
+    m_comment = comment;
+    m_private = isPrivate;
+    m_pieceSize = pieceSize;
+    m_abort = false;
+
+    start();
+}
+
+void TorrentCreatorThread::sendProgressSignal(int numHashes, int numPieces)
+{
+    emit updateProgress(static_cast<int>((numHashes * 100.) / numPieces));
+}
+
+void TorrentCreatorThread::abortCreation()
+{
+    m_abort = true;
+}
+
+void TorrentCreatorThread::run()
+{
+    emit updateProgress(0);
+
+    QString creator_str("qBittorrent " VERSION);
+    try {
+        libt::file_storage fs;
+        // Adding files to the torrent
+        libt::add_files(fs, String::toStdString(fsutils::toNativePath(m_inputPath)), fileFilter);
+        if (m_abort) return;
+
+        libt::create_torrent t(fs, m_pieceSize);
+
+        // Add url seeds
+        foreach (const QString &seed, m_urlSeeds)
+            t.add_url_seed(String::toStdString(seed.trimmed()));
+
+        int tier = 0;
+        bool newline = false;
+        foreach (const QString &tracker, m_trackers) {
+            if (tracker.isEmpty()) {
+                if (newline)
+                    continue;
+                ++tier;
+                newline = true;
+                continue;
+            }
+            t.add_tracker(String::toStdString(tracker.trimmed()), tier);
+            newline = false;
+        }
+        if (m_abort) return;
+
+        // calculate the hash for all pieces
+        const QString parentPath = fsutils::branchPath(m_inputPath) + "/";
+        libt::set_piece_hashes(t, String::toStdString(fsutils::toNativePath(parentPath)), boost::bind(&TorrentCreatorThread::sendProgressSignal, this, _1, t.num_pieces()));
+        // Set qBittorrent as creator and add user comment to
+        // torrent_info structure
+        t.set_creator(creator_str.toUtf8().constData());
+        t.set_comment(m_comment.toUtf8().constData());
+        // Is private ?
+        t.set_priv(m_private);
+        if (m_abort) return;
+
+        // create the torrent and print it to out
+        qDebug("Saving to %s", qPrintable(m_savePath));
+#ifdef _MSC_VER
+        wchar_t *savePathW = new wchar_t[m_savePath.length() + 1];
+        int len = fsutils::toNativePath(m_savePath).toWCharArray(savePathW);
+        savePathW[len] = L'\0';
+        std::ofstream outfile(savePathW, std::ios_base::out | std::ios_base::binary);
+        delete[] savePathW;
+#else
+        std::ofstream outfile(fsutils::toNativePath(m_savePath).toLocal8Bit().constData(), std::ios_base::out | std::ios_base::binary);
+#endif
+        if (outfile.fail())
+            throw std::exception();
+
+        libt::bencode(std::ostream_iterator<char>(outfile), t.generate());
+        outfile.close();
+
+        emit updateProgress(100);
+        emit creationSuccess(m_savePath, parentPath);
+    }
+    catch (std::exception& e) {
+        emit creationFailure(String::fromStdString(e.what()));
+    }
+}

src/core/bittorrent/torrentcreatorthread.h

@@ -0,0 +1,73 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2010  Christophe Dumez
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#ifndef BITTORRENT_TORRENTCREATORTHREAD_H
+#define BITTORRENT_TORRENTCREATORTHREAD_H
+
+#include <QThread>
+#include <QStringList>
+
+namespace BitTorrent
+{
+    class TorrentCreatorThread : public QThread
+    {
+        Q_OBJECT
+
+    public:
+        TorrentCreatorThread(QObject *parent = 0);
+        ~TorrentCreatorThread();
+
+        void create(const QString &inputPath, const QString &savePath, const QStringList &trackers,
+                    const QStringList &urlSeeds, const QString &comment, bool isPrivate, int pieceSize);
+        void abortCreation();
+
+    protected:
+        void run();
+
+    signals:
+        void creationFailure(const QString &msg);
+        void creationSuccess(const QString &path, const QString &branchPath);
+        void updateProgress(int progress);
+
+    private:
+        void sendProgressSignal(int numHashes, int numPieces);
+
+        QString m_inputPath;
+        QString m_savePath;
+        QStringList m_trackers;
+        QStringList m_urlSeeds;
+        QString m_comment;
+        bool m_private;
+        int m_pieceSize;
+        bool m_abort;
+    };
+}
+
+#endif // BITTORRENT_TORRENTCREATORTHREAD_H

src/core/bittorrent/torrenthandle.h

@@ -0,0 +1,380 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef BITTORRENT_TORRENTHANDLE_H
+#define BITTORRENT_TORRENTHANDLE_H
+
+#include <QObject>
+#include <QString>
+#include <QDateTime>
+#include <QQueue>
+#include <QVector>
+#include <QHash>
+
+#include <libtorrent/torrent_handle.hpp>
+#include <boost/function.hpp>
+
+#include "core/tristatebool.h"
+#include "private/speedmonitor.h"
+#include "private/torrenthandleprivate.h"
+#include "infohash.h"
+#include "torrentinfo.h"
+
+class QBitArray;
+class QStringList;
+template<typename T, typename U> struct QPair;
+
+namespace libtorrent
+{
+    class alert;
+    struct stats_alert;
+    struct torrent_checked_alert;
+    struct torrent_finished_alert;
+    struct torrent_paused_alert;
+    struct torrent_resumed_alert;
+    struct save_resume_data_alert;
+    struct save_resume_data_failed_alert;
+    struct file_renamed_alert;
+    struct storage_moved_alert;
+    struct storage_moved_failed_alert;
+    struct metadata_received_alert;
+    struct file_completed_alert;
+    struct tracker_error_alert;
+    struct tracker_reply_alert;
+    struct tracker_warning_alert;
+    struct fastresume_rejected_alert;
+}
+
+struct SessionPrivate;
+
+namespace BitTorrent
+{
+    struct PeerAddress;
+    class Session;
+    class PeerInfo;
+    class TrackerEntry;
+    struct AddTorrentParams;
+
+    struct AddTorrentData
+    {
+        bool resumed;
+        // for both new and resumed torrents
+        QString name;
+        QString label;
+        QString savePath;
+        bool disableTempPath;
+        bool sequential;
+        bool hasSeedStatus;
+        // for new torrents
+        TriStateBool addPaused;
+        QVector<int> filePriorities;
+        bool ignoreShareRatio;
+        // for resumed torrents
+        QDateTime addedTime;
+        qreal ratioLimit;
+
+        AddTorrentData();
+        AddTorrentData(const AddTorrentParams &in);
+    };
+
+    struct TrackerInfo
+    {
+        QString lastMessage;
+        quint32 numPeers;
+
+        TrackerInfo();
+    };
+
+    class TorrentState
+    {
+    public:
+        enum
+        {
+            Unknown = -1,
+
+            Error,
+
+            Uploading,
+            PausedUploading,
+            QueuedUploading,
+            StalledUploading,
+            CheckingUploading,
+            ForcedUploading,
+
+            Allocating,
+
+            DownloadingMetadata,
+            Downloading,
+            PausedDownloading,
+            QueuedDownloading,
+            StalledDownloading,
+            CheckingDownloading,
+            ForcedDownloading
+        };
+
+        TorrentState(int value);
+
+        operator int() const;
+        QString toString() const;
+
+    private:
+        int m_value;
+    };
+
+    class TorrentHandle : public QObject, public TorrentHandlePrivate
+    {
+        Q_DISABLE_COPY(TorrentHandle)
+
+    public:
+        static const qreal USE_GLOBAL_RATIO;
+        static const qreal NO_RATIO_LIMIT;
+
+        static const qreal MAX_RATIO;
+
+        TorrentHandle(Session *session, const libtorrent::torrent_handle &nativeHandle,
+                          const AddTorrentData &data);
+        ~TorrentHandle();
+
+        bool isValid() const;
+        InfoHash hash() const;
+        QString name() const;
+        QDateTime creationDate() const;
+        QString creator() const;
+        QString comment() const;
+        bool isPrivate() const;
+        qlonglong totalSize() const;
+        qlonglong wantedSize() const;
+        qlonglong completedSize() const;
+        qlonglong incompletedSize() const;
+        qlonglong pieceLength() const;
+        qlonglong wastedSize() const;
+        QString currentTracker() const;
+        QString actualSavePath() const;
+        QString savePath() const;
+        QString rootPath() const;
+        QString savePathParsed() const;
+        int filesCount() const;
+        int piecesCount() const;
+        qreal progress() const;
+        QString label() const;
+        QDateTime addedTime() const;
+        qreal ratioLimit() const;
+
+        QString firstFileSavePath() const;
+        QString filePath(int index) const;
+        QString fileName(int index) const;
+        qlonglong fileSize(int index) const;
+        QStringList absoluteFilePaths() const;
+        QStringList absoluteFilePathsUnwanted() const;
+        QPair<int, int> fileExtremityPieces(int index) const;
+        QVector<int> filePriorities() const;
+
+        TorrentInfo info() const;
+        bool isSeed() const;
+        bool isPaused() const;
+        bool isResumed() const;
+        bool isQueued() const;
+        bool isForced() const;
+        bool isChecking() const;
+        bool isDownloading() const;
+        bool isUploading() const;
+        bool isCompleted() const;
+        bool isActive() const;
+        bool isInactive() const;
+        bool isSequentialDownload() const;
+        bool hasFirstLastPiecePriority() const;
+        TorrentState state() const;
+        bool hasMetadata() const;
+        bool hasMissingFiles() const;
+        bool hasError() const;
+        bool hasFilteredPieces() const;
+        int queuePosition() const;
+        QList<TrackerEntry> trackers() const;
+        QHash<QString, TrackerInfo> trackerInfos() const;
+        QList<QUrl> urlSeeds() const;
+        QString error() const;
+        qlonglong totalDownload() const;
+        qlonglong totalUpload() const;
+        int activeTime() const;
+        int seedingTime() const;
+        qulonglong eta() const;
+        QVector<qreal> filesProgress() const;
+        int seedsCount() const;
+        int peersCount() const;
+        int leechsCount() const;
+        int completeCount() const;
+        int incompleteCount() const;
+        QDateTime lastSeenComplete() const;
+        QDateTime completedTime() const;
+        int timeSinceUpload() const;
+        int timeSinceDownload() const;
+        int downloadLimit() const;
+        int uploadLimit() const;
+        bool superSeeding() const;
+        QList<PeerInfo> peers() const;
+        QBitArray pieces() const;
+        QBitArray downloadingPieces() const;
+        QVector<int> pieceAvailability() const;
+        qreal distributedCopies() const;
+        qreal maxRatio(bool *usesGlobalRatio = 0) const;
+        qreal realRatio() const;
+        int uploadPayloadRate() const;
+        int downloadPayloadRate() const;
+        int totalPayloadUpload() const;
+        int totalPayloadDownload() const;
+        int connectionsCount() const;
+        int connectionsLimit() const;
+        qlonglong nextAnnounce() const;
+
+        void setName(const QString &name);
+        void setLabel(const QString &label);
+        void setSequentialDownload(bool b);
+        void toggleSequentialDownload();
+        void toggleFirstLastPiecePriority();
+        void setFirstLastPiecePriority(bool b);
+        void pause();
+        void resume(bool forced = false);
+        void move(QString path);
+    #if LIBTORRENT_VERSION_NUM < 10000
+        void forceReannounce();
+    #else
+        void forceReannounce(int index = -1);
+    #endif
+        void forceDHTAnnounce();
+        void forceRecheck();
+        void setTrackerLogin(const QString &username, const QString &password);
+        void renameFile(int index, const QString &name);
+        bool saveTorrentFile(const QString &path);
+        void prioritizeFiles(const QVector<int> &priorities);
+        void setFilePriority(int index, int priority);
+        void setRatioLimit(qreal limit);
+        void setUploadLimit(int limit);
+        void setDownloadLimit(int limit);
+        void setSuperSeeding(bool enable);
+        void flushCache();
+        void addTrackers(const QList<TrackerEntry> &trackers);
+        void replaceTrackers(QList<TrackerEntry> trackers);
+        void addUrlSeeds(const QList<QUrl> &urlSeeds);
+        void removeUrlSeeds(const QList<QUrl> &urlSeeds);
+        bool connectPeer(const PeerAddress &peerAddress);
+
+        QString toMagnetUri() const;
+
+        bool needSaveResumeData() const;
+        void saveResumeData();
+
+        libtorrent::torrent_handle nativeHandle() const;
+
+    private:
+        typedef boost::function<void ()> MoveStorageTrigger;
+
+        void initialize();
+        void updateStatus();
+        void updateStatus(const libtorrent::torrent_status &nativeStatus);
+        void updateState();
+        void updateTorrentInfo();
+
+        void handleAlert(libtorrent::alert *a);
+        void handleStateUpdate(const libtorrent::torrent_status &nativeStatus);
+        void handleDefaultSavePathChanged();
+        void handleTempPathChanged();
+        void handleAppendExtensionToggled();
+    #ifndef DISABLE_COUNTRIES_RESOLUTION
+        void handleResolveCountriesToggled();
+    #endif
+
+        void handleStorageMovedAlert(libtorrent::storage_moved_alert *p);
+        void handleStorageMovedFailedAlert(libtorrent::storage_moved_failed_alert *p);
+        void handleTrackerReplyAlert(libtorrent::tracker_reply_alert *p);
+        void handleTrackerWarningAlert(libtorrent::tracker_warning_alert *p);
+        void handleTrackerErrorAlert(libtorrent::tracker_error_alert *p);
+        void handleTorrentCheckedAlert(libtorrent::torrent_checked_alert *p);
+        void handleTorrentFinishedAlert(libtorrent::torrent_finished_alert *p);
+        void handleTorrentPausedAlert(libtorrent::torrent_paused_alert *p);
+        void handleTorrentResumedAlert(libtorrent::torrent_resumed_alert *p);
+        void handleSaveResumeDataAlert(libtorrent::save_resume_data_alert *p);
+        void handleSaveResumeDataFailedAlert(libtorrent::save_resume_data_failed_alert *p);
+        void handleFastResumeRejectedAlert(libtorrent::fastresume_rejected_alert *p);
+        void handleFileRenamedAlert(libtorrent::file_renamed_alert *p);
+        void handleFileCompletedAlert(libtorrent::file_completed_alert *p);
+        void handleMetadataReceivedAlert(libtorrent::metadata_received_alert *p);
+        void handleStatsAlert(libtorrent::stats_alert *p);
+
+        bool isMoveInProgress() const;
+        bool useTempPath() const;
+        QString nativeActualSavePath() const;
+
+        void resolveCountries(bool b);
+        void adjustSavePath();
+        void adjustActualSavePath();
+        void moveStorage(const QString &newPath);
+        void appendExtensionsToIncompleteFiles();
+        void removeExtensionsFromIncompleteFiles();
+        bool addTracker(const TrackerEntry &tracker);
+        bool addUrlSeed(const QUrl &urlSeed);
+        bool removeUrlSeed(const QUrl &urlSeed);
+
+        SessionPrivate *const m_session;
+        libtorrent::torrent_handle m_nativeHandle;
+        libtorrent::torrent_status m_nativeStatus;
+        TorrentState  m_state;
+        TorrentInfo m_torrentInfo;
+        SpeedMonitor m_speedMonitor;
+    #if LIBTORRENT_VERSION_NUM < 10000
+        QString m_nativeName;
+        QString m_nativeSavePath;
+    #endif
+
+        InfoHash m_hash;
+
+        QString m_oldPath;
+        QString m_newPath;
+        // m_queuedPath is where files should be moved to,
+        // when current moving is completed
+        QString m_queuedPath;
+        QQueue<MoveStorageTrigger> m_moveStorageTriggers;
+
+        // Persistent data
+        QString m_name;
+        QDateTime m_addedTime;
+        QString m_savePath;
+        QString m_label;
+        bool m_hasSeedStatus;
+        qreal m_ratioLimit;
+        bool m_tempPathDisabled;
+        bool m_hasMissingFiles;
+
+        bool m_useDefaultSavePath;
+        bool m_pauseAfterRecheck;
+        bool m_needSaveResumeData;
+        QHash<QString, TrackerInfo> m_trackerInfos;
+    };
+}
+
+#endif // BITTORRENT_TORRENTHANDLE_H

src/core/bittorrent/torrentinfo.cpp

@@ -0,0 +1,230 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include <QString>
+#include <QList>
+#include <QUrl>
+#include <QDateTime>
+
+#include <libtorrent/error_code.hpp>
+#include <libtorrent/magnet_uri.hpp>
+
+#include "core/misc.h"
+#include "core/fs_utils.h"
+#include "core/utils/string.h"
+#include "infohash.h"
+#include "trackerentry.h"
+#include "torrentinfo.h"
+
+namespace libt = libtorrent;
+using namespace BitTorrent;
+
+TorrentInfo::TorrentInfo(boost::intrusive_ptr<const libt::torrent_info> nativeInfo)
+    : m_nativeInfo(const_cast<libt::torrent_info *>(nativeInfo.get()))
+{
+}
+
+TorrentInfo::TorrentInfo(const TorrentInfo &other)
+    : m_nativeInfo(other.m_nativeInfo)
+{
+}
+
+TorrentInfo &TorrentInfo::operator=(const TorrentInfo &other)
+{
+    m_nativeInfo = other.m_nativeInfo;
+    return *this;
+}
+
+TorrentInfo TorrentInfo::loadFromFile(const QString &path, QString &error)
+{
+    error.clear();
+    libt::error_code ec;
+    TorrentInfo info(new libt::torrent_info(String::toStdString(fsutils::toNativePath(path)), ec));
+    if (ec) {
+        error = QString::fromUtf8(ec.message().c_str());
+        qDebug("Cannot load .torrent file: %s", qPrintable(error));
+    }
+
+    return info;
+}
+
+TorrentInfo TorrentInfo::loadFromFile(const QString &path)
+{
+    QString error;
+    return loadFromFile(path, error);
+}
+
+bool TorrentInfo::isValid() const
+{
+    return (m_nativeInfo && m_nativeInfo->is_valid() && (m_nativeInfo->num_files() > 0));
+}
+
+InfoHash TorrentInfo::hash() const
+{
+    if (!isValid()) return InfoHash();
+    return m_nativeInfo->info_hash();
+}
+
+QString TorrentInfo::name() const
+{
+    if (!isValid()) return QString();
+    return String::fromStdString(m_nativeInfo->name());
+}
+
+QDateTime TorrentInfo::creationDate() const
+{
+    if (!isValid()) return QDateTime();
+    boost::optional<time_t> t = m_nativeInfo->creation_date();
+    return t ? QDateTime::fromTime_t(*t) : QDateTime();
+}
+
+QString TorrentInfo::creator() const
+{
+    if (!isValid()) return QString();
+    return String::fromStdString(m_nativeInfo->creator());
+}
+
+QString TorrentInfo::comment() const
+{
+    if (!isValid()) return QString();
+    return String::fromStdString(m_nativeInfo->comment());
+}
+
+bool TorrentInfo::isPrivate() const
+{
+    if (!isValid()) return false;
+    return m_nativeInfo->priv();
+}
+
+qlonglong TorrentInfo::totalSize() const
+{
+    if (!isValid()) return -1;
+    return m_nativeInfo->total_size();
+}
+
+int TorrentInfo::filesCount() const
+{
+    if (!isValid()) return -1;
+    return m_nativeInfo->num_files();
+}
+
+int TorrentInfo::pieceLength() const
+{
+    if (!isValid()) return -1;
+    return m_nativeInfo->piece_length();
+}
+
+int TorrentInfo::piecesCount() const
+{
+    if (!isValid()) return -1;
+    return m_nativeInfo->num_pieces();
+}
+
+QString TorrentInfo::filePath(int index) const
+{
+    if (!isValid()) return QString();
+    return fsutils::fromNativePath(String::fromStdString(m_nativeInfo->files().file_path(index)));
+}
+
+QStringList TorrentInfo::filePaths() const
+{
+    QStringList list;
+    for (int i = 0; i < filesCount(); ++i)
+        list << filePath(i);
+
+    return list;
+}
+
+QString TorrentInfo::fileName(int index) const
+{
+    return fsutils::fileName(filePath(index));
+}
+
+QString TorrentInfo::origFilePath(int index) const
+{
+    if (!isValid()) return QString();
+    return fsutils::fromNativePath(String::fromStdString(m_nativeInfo->orig_files().file_path(index)));
+}
+
+qlonglong TorrentInfo::fileSize(int index) const
+{
+    if (!isValid()) return -1;
+    return m_nativeInfo->files().file_size(index);
+}
+
+qlonglong TorrentInfo::fileOffset(int index) const
+{
+    if (!isValid()) return  -1;
+    return m_nativeInfo->file_at(index).offset;
+}
+
+QList<TrackerEntry> TorrentInfo::trackers() const
+{
+    if (!isValid()) return QList<TrackerEntry>();
+
+    QList<TrackerEntry> trackers;
+    foreach (const libt::announce_entry &tracker, m_nativeInfo->trackers())
+        trackers.append(tracker);
+
+    return trackers;
+}
+
+QList<QUrl> TorrentInfo::urlSeeds() const
+{
+    if (!isValid()) return QList<QUrl>();
+
+    QList<QUrl> urlSeeds;
+    foreach (const libt::web_seed_entry &webSeed, m_nativeInfo->web_seeds())
+        if (webSeed.type == libt::web_seed_entry::url_seed)
+            urlSeeds.append(QUrl(webSeed.url.c_str()));
+
+    return urlSeeds;
+}
+
+QByteArray TorrentInfo::metadata() const
+{
+    if (!isValid()) return QByteArray();
+    return QByteArray(m_nativeInfo->metadata().get(), m_nativeInfo->metadata_size());
+}
+
+QString TorrentInfo::toMagnetUri() const
+{
+    if (!isValid()) return QString();
+    return String::fromStdString(libt::make_magnet_uri(*m_nativeInfo));
+}
+
+void TorrentInfo::renameFile(uint index, const QString &newPath)
+{
+    if (!isValid()) return;
+    m_nativeInfo->rename_file(index, String::toStdString(newPath));
+}
+
+boost::intrusive_ptr<libtorrent::torrent_info> TorrentInfo::nativeInfo() const
+{
+    return m_nativeInfo;
+}

src/core/bittorrent/torrentinfo.h

@@ -0,0 +1,88 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef BITTORRENT_TORRENTINFO_H
+#define BITTORRENT_TORRENTINFO_H
+
+#include <QtGlobal>
+#include <libtorrent/torrent_info.hpp>
+
+class QString;
+class QUrl;
+class QDateTime;
+class QStringList;
+class QByteArray;
+template<typename T> class QList;
+
+namespace BitTorrent
+{
+    class InfoHash;
+    class TrackerEntry;
+
+    class TorrentInfo
+    {
+    public:
+        explicit TorrentInfo(boost::intrusive_ptr<const libtorrent::torrent_info> nativeInfo = boost::intrusive_ptr<const libtorrent::torrent_info>());
+        TorrentInfo(const TorrentInfo &other);
+
+        static TorrentInfo loadFromFile(const QString &path, QString &error);
+        static TorrentInfo loadFromFile(const QString &path);
+
+        TorrentInfo &operator=(const TorrentInfo &other);
+
+        bool isValid() const;
+        InfoHash hash() const;
+        QString name() const;
+        QDateTime creationDate() const;
+        QString creator() const;
+        QString comment() const;
+        bool isPrivate() const;
+        qlonglong totalSize() const;
+        int filesCount() const;
+        int pieceLength() const;
+        int piecesCount() const;
+        QString filePath(int index) const;
+        QStringList filePaths() const;
+        QString fileName(int index) const;
+        QString origFilePath(int index) const;
+        qlonglong fileSize(int index) const;
+        qlonglong fileOffset(int index) const;
+        QList<TrackerEntry> trackers() const;
+        QList<QUrl> urlSeeds() const;
+        QByteArray metadata() const;
+        QString toMagnetUri() const;
+
+        void renameFile(uint index, const QString &newPath);
+        boost::intrusive_ptr<libtorrent::torrent_info> nativeInfo() const;
+
+    private:
+        boost::intrusive_ptr<libtorrent::torrent_info> m_nativeInfo;
+    };
+}
+
+#endif // BITTORRENT_TORRENTINFO_H

src/core/bittorrent/tracker.cpp

@@ -31,59 +31,68 @@
 
 #include <vector>
 #include <libtorrent/bencode.hpp>
+#include <libtorrent/entry.hpp>
 
-#include "preferences.h"
-#include "http/server.h"
-#include "qtracker.h"
+#include "core/preferences.h"
+#include "core/http/server.h"
+#include "core/utils/string.h"
+#include "tracker.h"
 
-// QPeer
-bool QPeer::operator!=(const QPeer &other) const
+// static limits
+static const int MAX_TORRENTS = 100;
+static const int MAX_PEERS_PER_TORRENT = 1000;
+static const int ANNOUNCE_INTERVAL = 1800; // 30min
+
+using namespace BitTorrent;
+
+// Peer
+bool Peer::operator!=(const Peer &other) const
 {
-    return qhash() != other.qhash();
+    return uid() != other.uid();
 }
 
-bool QPeer::operator==(const QPeer &other) const
+bool Peer::operator==(const Peer &other) const
 {
-    return qhash() == other.qhash();
+    return uid() == other.uid();
 }
 
-QString QPeer::qhash() const
+QString Peer::uid() const
 {
     return ip + ":" + QString::number(port);
 }
 
-libtorrent::entry QPeer::toEntry(bool no_peer_id) const
+libtorrent::entry Peer::toEntry(bool noPeerId) const
 {
-    libtorrent::entry::dictionary_type peer_map;
-    if (!no_peer_id)
-        peer_map["id"] = libtorrent::entry(peer_id.toStdString());
-    peer_map["ip"] = libtorrent::entry(ip.toStdString());
-    peer_map["port"] = libtorrent::entry(port);
+    libtorrent::entry::dictionary_type peerMap;
+    if (!noPeerId)
+        peerMap["id"] = libtorrent::entry(String::toStdString(peerId));
+    peerMap["ip"] = libtorrent::entry(String::toStdString(ip));
+    peerMap["port"] = libtorrent::entry(port);
 
-    return libtorrent::entry(peer_map);
+    return libtorrent::entry(peerMap);
 }
 
-// QTracker
+// Tracker
 
-QTracker::QTracker(QObject *parent)
+Tracker::Tracker(QObject *parent)
     : Http::ResponseBuilder(parent)
     , m_server(new Http::Server(this, this))
 {
 }
 
-QTracker::~QTracker()
+Tracker::~Tracker()
 {
     if (m_server->isListening())
         qDebug("Shutting down the embedded tracker...");
     // TODO: Store the torrent list
 }
 
-bool QTracker::start()
+bool Tracker::start()
 {
-    const int listen_port = Preferences::instance()->getTrackerPort();
+    const int listenPort = Preferences::instance()->getTrackerPort();
 
     if (m_server->isListening()) {
-        if (m_server->serverPort() == listen_port) {
+        if (m_server->serverPort() == listenPort) {
             // Already listening on the right port, just return
             return true;
         }
@@ -93,21 +102,21 @@ bool QTracker::start()
 
     qDebug("Starting the embedded tracker...");
     // Listen on the predefined port
-    return m_server->listen(QHostAddress::Any, listen_port);
+    return m_server->listen(QHostAddress::Any, listenPort);
 }
 
-Http::Response QTracker::processRequest(const Http::Request &request, const Http::Environment &env)
+Http::Response Tracker::processRequest(const Http::Request &request, const Http::Environment &env)
 {
     clear(); // clear response
 
-    //qDebug("QTracker received the following request:\n%s", qPrintable(parser.toString()));
+    //qDebug("Tracker received the following request:\n%s", qPrintable(parser.toString()));
     // Is request a GET request?
     if (request.method != "GET") {
-        qDebug("QTracker: Unsupported HTTP request: %s", qPrintable(request.method));
+        qDebug("Tracker: Unsupported HTTP request: %s", qPrintable(request.method));
         status(100, "Invalid request type");
     }
     else if (!request.path.startsWith("/announce", Qt::CaseInsensitive)) {
-        qDebug("QTracker: Unrecognized path: %s", qPrintable(request.path));
+        qDebug("Tracker: Unrecognized path: %s", qPrintable(request.path));
         status(100, "Invalid request type");
     }
     else {
@@ -120,85 +129,85 @@ Http::Response QTracker::processRequest(const Http::Request &request, const Http
     return response();
 }
 
-void QTracker::respondToAnnounceRequest()
+void Tracker::respondToAnnounceRequest()
 {
     const QStringMap &gets = m_request.gets;
-    TrackerAnnounceRequest annonce_req;
+    TrackerAnnounceRequest annonceReq;
 
     // IP
-    annonce_req.peer.ip = m_env.clientAddress.toString();
+    annonceReq.peer.ip = m_env.clientAddress.toString();
 
     // 1. Get info_hash
     if (!gets.contains("info_hash")) {
-        qDebug("QTracker: Missing info_hash");
+        qDebug("Tracker: Missing info_hash");
         status(101, "Missing info_hash");
         return;
     }
-    annonce_req.info_hash = gets.value("info_hash");
+    annonceReq.infoHash = gets.value("info_hash");
     // info_hash cannot be longer than 20 bytes
     /*if (annonce_req.info_hash.toLatin1().length() > 20) {
-        qDebug("QTracker: Info_hash is not 20 byte long: %s (%d)", qPrintable(annonce_req.info_hash), annonce_req.info_hash.toLatin1().length());
+        qDebug("Tracker: Info_hash is not 20 byte long: %s (%d)", qPrintable(annonce_req.info_hash), annonce_req.info_hash.toLatin1().length());
         status(150, "Invalid infohash");
         return;
       }*/
 
     // 2. Get peer ID
     if (!gets.contains("peer_id")) {
-        qDebug("QTracker: Missing peer_id");
+        qDebug("Tracker: Missing peer_id");
         status(102, "Missing peer_id");
         return;
     }
-    annonce_req.peer.peer_id = gets.value("peer_id");
+    annonceReq.peer.peerId = gets.value("peer_id");
     // peer_id cannot be longer than 20 bytes
     /*if (annonce_req.peer.peer_id.length() > 20) {
-        qDebug("QTracker: peer_id is not 20 byte long: %s", qPrintable(annonce_req.peer.peer_id));
+        qDebug("Tracker: peer_id is not 20 byte long: %s", qPrintable(annonce_req.peer.peer_id));
         status(151, "Invalid peerid");
         return;
       }*/
 
     // 3. Get port
     if (!gets.contains("port")) {
-        qDebug("QTracker: Missing port");
+        qDebug("Tracker: Missing port");
         status(103, "Missing port");
         return;
     }
     bool ok = false;
-    annonce_req.peer.port = gets.value("port").toInt(&ok);
-    if (!ok || annonce_req.peer.port < 1 || annonce_req.peer.port > 65535) {
-        qDebug("QTracker: Invalid port number (%d)", annonce_req.peer.port);
+    annonceReq.peer.port = gets.value("port").toInt(&ok);
+    if (!ok || annonceReq.peer.port < 1 || annonceReq.peer.port > 65535) {
+        qDebug("Tracker: Invalid port number (%d)", annonceReq.peer.port);
         status(103, "Missing port");
         return;
     }
 
     // 4.  Get event
-    annonce_req.event = "";
+    annonceReq.event = "";
     if (gets.contains("event")) {
-        annonce_req.event = gets.value("event");
-        qDebug("QTracker: event is %s", qPrintable(annonce_req.event));
+        annonceReq.event = gets.value("event");
+        qDebug("Tracker: event is %s", qPrintable(annonceReq.event));
     }
 
     // 5. Get numwant
-    annonce_req.numwant = 50;
+    annonceReq.numwant = 50;
     if (gets.contains("numwant")) {
         int tmp = gets.value("numwant").toInt();
         if (tmp > 0) {
-            qDebug("QTracker: numwant = %d", tmp);
-            annonce_req.numwant = tmp;
+            qDebug("Tracker: numwant = %d", tmp);
+            annonceReq.numwant = tmp;
         }
     }
 
     // 6. no_peer_id (extension)
-    annonce_req.no_peer_id = false;
+    annonceReq.noPeerId = false;
     if (gets.contains("no_peer_id"))
-        annonce_req.no_peer_id = true;
+        annonceReq.noPeerId = true;
 
     // 7. TODO: support "compact" extension
 
     // Done parsing, now let's reply
-    if (m_torrents.contains(annonce_req.info_hash)) {
-        if (annonce_req.event == "stopped") {
-            qDebug("QTracker: Peer stopped downloading, deleting it from the list");
-            m_torrents[annonce_req.info_hash].remove(annonce_req.peer.qhash());
+    if (m_torrents.contains(annonceReq.infoHash)) {
+        if (annonceReq.event == "stopped") {
+            qDebug("Tracker: Peer stopped downloading, deleting it from the list");
+            m_torrents[annonceReq.infoHash].remove(annonceReq.peer.uid());
             return;
         }
     }
@@ -210,36 +219,36 @@ void QTracker::respondToAnnounceRequest()
         }
     }
     // Register the user
-    PeerList peers = m_torrents.value(annonce_req.info_hash);
+    PeerList peers = m_torrents.value(annonceReq.infoHash);
     if (peers.size() == MAX_PEERS_PER_TORRENT) {
         // Too many peers, remove a random one
         peers.erase(peers.begin());
     }
-    peers[annonce_req.peer.qhash()] = annonce_req.peer;
-    m_torrents[annonce_req.info_hash] = peers;
+    peers[annonceReq.peer.uid()] = annonceReq.peer;
+    m_torrents[annonceReq.infoHash] = peers;
 
     // Reply
-    replyWithPeerList(annonce_req);
+    replyWithPeerList(annonceReq);
 }
 
-void QTracker::replyWithPeerList(const TrackerAnnounceRequest &annonce_req)
+void Tracker::replyWithPeerList(const TrackerAnnounceRequest &annonceReq)
 {
     // Prepare the entry for bencoding
-    libtorrent::entry::dictionary_type reply_dict;
-    reply_dict["interval"] = libtorrent::entry(ANNOUNCE_INTERVAL);
-    QList<QPeer> peers = m_torrents.value(annonce_req.info_hash).values();
-    libtorrent::entry::list_type peer_list;
-    foreach (const QPeer &p, peers) {
+    libtorrent::entry::dictionary_type replyDict;
+    replyDict["interval"] = libtorrent::entry(ANNOUNCE_INTERVAL);
+    QList<Peer> peers = m_torrents.value(annonceReq.infoHash).values();
+    libtorrent::entry::list_type peerList;
+    foreach (const Peer &p, peers) {
         //if (p != annonce_req.peer)
-        peer_list.push_back(p.toEntry(annonce_req.no_peer_id));
+        peerList.push_back(p.toEntry(annonceReq.noPeerId));
     }
-    reply_dict["peers"] = libtorrent::entry(peer_list);
-    libtorrent::entry reply_entry(reply_dict);
+    replyDict["peers"] = libtorrent::entry(peerList);
+    libtorrent::entry replyEntry(replyDict);
     // bencode
     std::vector<char> buf;
-    libtorrent::bencode(std::back_inserter(buf), reply_entry);
+    libtorrent::bencode(std::back_inserter(buf), replyEntry);
     QByteArray reply(&buf[0], static_cast<int>(buf.size()));
-    qDebug("QTracker: reply with the following bencoded data:\n %s", reply.constData());
+    qDebug("Tracker: reply with the following bencoded data:\n %s", reply.constData());
 
     // HTTP reply
     print(reply, Http::CONTENT_TYPE_TXT);

src/core/bittorrent/tracker.h

@@ -0,0 +1,103 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2010  Christophe Dumez
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#ifndef BITTORRENT_TRACKER_H
+#define BITTORRENT_TRACKER_H
+
+#include <QHash>
+#include "core/http/types.h"
+#include "core/http/responsebuilder.h"
+#include "core/http/irequesthandler.h"
+
+namespace libtorrent
+{
+    class entry;
+}
+
+namespace Http
+{
+    class Server;
+}
+
+namespace BitTorrent
+{
+    struct Peer
+    {
+        QString ip;
+        QString peerId;
+        int port;
+
+        bool operator!=(const Peer &other) const;
+        bool operator==(const Peer &other) const;
+        QString uid() const;
+        libtorrent::entry toEntry(bool noPeerId) const;
+    };
+
+    struct TrackerAnnounceRequest
+    {
+        QString infoHash;
+        QString event;
+        int numwant;
+        Peer peer;
+        // Extensions
+        bool noPeerId;
+    };
+
+    typedef QHash<QString, Peer> PeerList;
+    typedef QHash<QString, PeerList> TorrentList;
+
+    /* Basic Bittorrent tracker implementation in Qt */
+    /* Following http://wiki.theory.org/BitTorrent_Tracker_Protocol */
+    class Tracker : public Http::ResponseBuilder, public Http::IRequestHandler
+    {
+        Q_OBJECT
+        Q_DISABLE_COPY(Tracker)
+
+    public:
+        explicit Tracker(QObject *parent = 0);
+        ~Tracker();
+
+        bool start();
+        Http::Response processRequest(const Http::Request &request, const Http::Environment &env);
+
+    private:
+        void respondToAnnounceRequest();
+        void replyWithPeerList(const TrackerAnnounceRequest &annonceReq);
+
+        Http::Server *m_server;
+        TorrentList m_torrents;
+
+        Http::Request m_request;
+        Http::Environment m_env;
+    };
+}
+
+#endif // BITTORRENT_TRACKER_H

src/core/bittorrent/trackerentry.cpp

@@ -0,0 +1,93 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include <QString>
+
+#include "core/misc.h"
+#include "core/utils/string.h"
+#include "trackerentry.h"
+
+using namespace BitTorrent;
+
+TrackerEntry::TrackerEntry(const QString &url)
+    : m_nativeEntry(libtorrent::announce_entry(String::toStdString(url)))
+{
+}
+
+TrackerEntry::TrackerEntry(const libtorrent::announce_entry &nativeEntry)
+    : m_nativeEntry(nativeEntry)
+{
+}
+
+TrackerEntry::TrackerEntry(const TrackerEntry &other)
+    : m_nativeEntry(other.m_nativeEntry)
+{
+}
+
+QString TrackerEntry::url() const
+{
+    return String::fromStdString(m_nativeEntry.url);
+}
+
+int TrackerEntry::tier() const
+{
+    return m_nativeEntry.tier;
+}
+
+TrackerEntry::Status TrackerEntry::status() const
+{
+    if (m_nativeEntry.verified)
+        return Working;
+    else if ((m_nativeEntry.fails == 0) && m_nativeEntry.updating)
+        return Updating;
+    else if (m_nativeEntry.fails == 0)
+        return NotContacted;
+    else
+        return NotWorking;
+}
+
+void TrackerEntry::setTier(int value)
+{
+    m_nativeEntry.tier = value;
+}
+
+TrackerEntry &TrackerEntry::operator=(const TrackerEntry &other)
+{
+    this->m_nativeEntry = other.m_nativeEntry;
+    return *this;
+}
+
+bool TrackerEntry::operator==(const TrackerEntry &other)
+{
+    return (QUrl(url()) == QUrl(other.url()));
+}
+
+libtorrent::announce_entry TrackerEntry::nativeEntry() const
+{
+    return m_nativeEntry;
+}

src/core/bittorrent/trackerentry.h

@@ -0,0 +1,68 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef BITTORRENT_TRACKERENTRY_H
+#define BITTORRENT_TRACKERENTRY_H
+
+#include <libtorrent/torrent_info.hpp>
+
+class QString;
+
+namespace BitTorrent
+{
+    class TrackerEntry
+    {
+    public:
+        enum Status
+        {
+            NotContacted,
+            Working,
+            Updating,
+            NotWorking
+        };
+
+        TrackerEntry(const QString &url);
+        TrackerEntry(const libtorrent::announce_entry &nativeEntry);
+        TrackerEntry(const TrackerEntry &other);
+
+        QString url() const;
+        int tier() const;
+        Status status() const;
+
+        void setTier(int value);
+        TrackerEntry &operator=(const TrackerEntry &other);
+        bool operator==(const TrackerEntry &other);
+
+        libtorrent::announce_entry nativeEntry() const;
+
+    private:
+        libtorrent::announce_entry m_nativeEntry;
+    };
+}
+
+#endif // BITTORRENT_TRACKERENTRY_H

src/core/core.pri

@@ -1,16 +1,13 @@
-include(qtlibtorrent/qtlibtorrent.pri)
-
 HEADERS += \
+    $$PWD/types.h \
     $$PWD/misc.h \
     $$PWD/fs_utils.h \
-    $$PWD/downloadthread.h \
-    $$PWD/torrentpersistentdata.h \
+    $$PWD/tristatebool.h \
     $$PWD/filesystemwatcher.h \
-    $$PWD/scannedfoldersmodel.h \
     $$PWD/qinisettings.h \
     $$PWD/logger.h \
     $$PWD/preferences.h \
-    $$PWD/qtracker.h \
+    $$PWD/iconprovider.h \
     $$PWD/http/irequesthandler.h \
     $$PWD/http/connection.h \
     $$PWD/http/requestparser.h \
@@ -19,24 +16,66 @@ HEADERS += \
     $$PWD/http/types.h \
     $$PWD/http/responsebuilder.h \
     $$PWD/net/dnsupdater.h \
+    $$PWD/net/downloadmanager.h \
+    $$PWD/net/downloadhandler.h \
+    $$PWD/net/portforwarder.h \
     $$PWD/net/reverseresolution.h \
-    $$PWD/net/smtp.h
+    $$PWD/net/smtp.h \
+    $$PWD/bittorrent/infohash.h \
+    $$PWD/bittorrent/session.h \
+    $$PWD/bittorrent/sessionstatus.h \
+    $$PWD/bittorrent/cachestatus.h \
+    $$PWD/bittorrent/magneturi.h \
+    $$PWD/bittorrent/torrentinfo.h \
+    $$PWD/bittorrent/torrenthandle.h \
+    $$PWD/bittorrent/peerinfo.h \
+    $$PWD/bittorrent/trackerentry.h \
+    $$PWD/bittorrent/tracker.h \
+    $$PWD/bittorrent/torrentcreatorthread.h \
+    $$PWD/bittorrent/private/sessionprivate.h \
+    $$PWD/bittorrent/private/torrenthandleprivate.h \
+    $$PWD/bittorrent/private/speedmonitor.h \
+    $$PWD/bittorrent/private/bandwidthscheduler.h \
+    $$PWD/bittorrent/private/filterparserthread.h \
+    $$PWD/bittorrent/private/statistics.h \
+    $$PWD/utils/string.h \
+    $$PWD/torrentfilter.h \
+    $$PWD/scanfoldersmodel.h
 
 SOURCES += \
-    $$PWD/downloadthread.cpp \
-    $$PWD/scannedfoldersmodel.cpp \
-    $$PWD/torrentpersistentdata.cpp \
-    $$PWD/filesystemwatcher.cpp \
     $$PWD/misc.cpp \
     $$PWD/fs_utils.cpp \
+    $$PWD/tristatebool.cpp \
+    $$PWD/filesystemwatcher.cpp \
     $$PWD/logger.cpp \
     $$PWD/preferences.cpp \
-    $$PWD/qtracker.cpp \
+    $$PWD/iconprovider.cpp \
     $$PWD/http/connection.cpp \
     $$PWD/http/requestparser.cpp \
     $$PWD/http/responsegenerator.cpp \
     $$PWD/http/server.cpp \
     $$PWD/http/responsebuilder.cpp \
     $$PWD/net/dnsupdater.cpp \
+    $$PWD/net/downloadmanager.cpp \
+    $$PWD/net/downloadhandler.cpp \
+    $$PWD/net/portforwarder.cpp \
     $$PWD/net/reverseresolution.cpp \
-    $$PWD/net/smtp.cpp
+    $$PWD/net/smtp.cpp \
+    $$PWD/bittorrent/infohash.cpp \
+    $$PWD/bittorrent/session.cpp \
+    $$PWD/bittorrent/sessionstatus.cpp \
+    $$PWD/bittorrent/cachestatus.cpp \
+    $$PWD/bittorrent/magneturi.cpp \
+    $$PWD/bittorrent/torrentinfo.cpp \
+    $$PWD/bittorrent/torrenthandle.cpp \
+    $$PWD/bittorrent/peerinfo.cpp \
+    $$PWD/bittorrent/trackerentry.cpp \
+    $$PWD/bittorrent/tracker.cpp \
+    $$PWD/bittorrent/torrentcreatorthread.cpp \
+    $$PWD/bittorrent/private/speedmonitor.cpp \
+    $$PWD/bittorrent/private/bandwidthscheduler.cpp \
+    $$PWD/bittorrent/private/filterparserthread.cpp \
+    $$PWD/bittorrent/private/statistics.cpp \
+    $$PWD/utils/string.cpp \
+    $$PWD/torrentfilter.cpp \
+    $$PWD/scanfoldersmodel.cpp

src/core/filesystemwatcher.cpp

@@ -12,8 +12,10 @@
 #endif
 #endif
 
-#include "fs_utils.h"
-#include "misc.h"
+#include "core/preferences.h"
+#include "core/bittorrent/torrentinfo.h"
+#include "core/bittorrent/magneturi.h"
+#include "filesystemwatcher.h"
 
 #ifndef CIFS_MAGIC_NUMBER
 #define CIFS_MAGIC_NUMBER 0xFF534D42
@@ -30,8 +32,6 @@
 const int WATCH_INTERVAL = 10000; // 10 sec
 const int MAX_PARTIAL_RETRIES = 5;
 
-#include "filesystemwatcher.h"
-
 FileSystemWatcher::FileSystemWatcher(QObject *parent)
     : QFileSystemWatcher(parent)
 {
@@ -149,7 +149,7 @@ void FileSystemWatcher::processPartialTorrents()
         if (!QFile::exists(torrentPath)) {
             m_partialTorrents.remove(torrentPath);
         }
-        else if (fsutils::isValidTorrentFile(torrentPath)) {
+        else if (BitTorrent::TorrentInfo::loadFromFile(torrentPath).isValid()) {
             noLongerPartial << torrentPath;
             m_partialTorrents.remove(torrentPath);
         }
@@ -197,11 +197,11 @@ void FileSystemWatcher::addTorrentsFromDir(const QDir &dir, QStringList &torrent
         if (fileAbsPath.endsWith(".magnet")) {
             QFile f(fileAbsPath);
             if (f.open(QIODevice::ReadOnly)
-                && !misc::magnetUriToHash(QString::fromLocal8Bit(f.readAll())).isEmpty()) {
+                && !BitTorrent::MagnetUri(QString::fromLocal8Bit(f.readAll())).isValid()) {
                 torrents << fileAbsPath;
             }
         }
-        else if (fsutils::isValidTorrentFile(fileAbsPath)) {
+        else if (BitTorrent::TorrentInfo::loadFromFile(fileAbsPath).isValid()) {
             torrents << fileAbsPath;
         }
         else if (!m_partialTorrents.contains(fileAbsPath)) {

src/core/filesystemwatcher.h

@@ -25,7 +25,7 @@ public:
     void removePath(const QString &path);
 
 signals:
-    void torrentsAdded(QStringList &pathList);
+    void torrentsAdded(const QStringList &pathList);
 
 protected slots:
     void scanLocalFolder(QString path);

src/core/fs_utils.cpp

@@ -36,11 +36,7 @@
 #include <QFile>
 #include <QFileInfo>
 #include <QSettings>
-#ifdef DISABLE_GUI
 #include <QCoreApplication>
-#else
-#include <QApplication>
-#endif
 #include <libtorrent/torrent_info.hpp>
 
 #ifdef Q_OS_MAC
@@ -110,17 +106,6 @@ QString fsutils::folderName(const QString& file_path) {
   return path.left(slash_index);
 }
 
-bool fsutils::isValidTorrentFile(const QString& torrent_path) {
-  try {
-    boost::intrusive_ptr<libtorrent::torrent_info> t = new torrent_info(fsutils::toNativePath(torrent_path).toUtf8().constData());
-    if (!t->is_valid() || t->num_files() == 0)
-      return false;
-  } catch(std::exception&) {
-    return false;
-  }
-  return true;
-}
-
 /**
  * Remove an empty folder tree.
  *
@@ -233,38 +218,6 @@ bool fsutils::sameFiles(const QString& path1, const QString& path2) {
   return same;
 }
 
-QString fsutils::updateLabelInSavePath(const QString& defaultSavePath, const QString& save_path, const QString& old_label, const QString& new_label) {
-  if (old_label == new_label) return fsutils::fromNativePath(save_path);
-  QString defaultPath = fsutils::fromNativePath(defaultSavePath);
-  QString path = fsutils::fromNativePath(save_path);
-  qDebug("UpdateLabelInSavePath(%s, %s, %s)", qPrintable(path), qPrintable(old_label), qPrintable(new_label));
-  if (!path.startsWith(defaultPath)) return path;
-  QString new_save_path = path;
-  new_save_path.remove(defaultPath);
-  QStringList path_parts = new_save_path.split("/", QString::SkipEmptyParts);
-  if (path_parts.empty()) {
-    if (!new_label.isEmpty())
-      path_parts << new_label;
-  } else {
-    if (old_label.isEmpty() || path_parts.first() != old_label) {
-      if (path_parts.first() != new_label)
-        path_parts.prepend(new_label);
-    } else {
-      if (new_label.isEmpty()) {
-        path_parts.removeAt(0);
-      } else {
-        if (path_parts.first() != new_label)
-          path_parts.replace(0, new_label);
-      }
-    }
-  }
-  new_save_path = defaultPath;
-  if (!new_save_path.endsWith("/")) new_save_path += "/";
-  new_save_path += path_parts.join("/");
-  qDebug("New save path is %s", qPrintable(new_save_path));
-  return new_save_path;
-}
-
 QString fsutils::toValidFileSystemName(QString filename) {
   qDebug("toValidFSName: %s", qPrintable(filename));
   const QRegExp regex("[\\\\/:?\"*<>|]");
@@ -513,15 +466,6 @@ QString fsutils::searchEngineLocation() {
   return location;
 }
 
-QString fsutils::BTBackupLocation() {
-  const QString location = fsutils::expandPathAbs(QDesktopServicesDataLocation()
-                                           + "BT_backup");
-  QDir locationDir(location);
-  if (!locationDir.exists())
-    locationDir.mkpath(locationDir.absolutePath());
-  return location;
-}
-
 QString fsutils::cacheLocation() {
   QString location = fsutils::expandPathAbs(QDesktopServicesCacheLocation());
   QDir locationDir(location);

src/core/fs_utils.h

@@ -46,7 +46,6 @@ namespace fsutils
   QString folderName(const QString& file_path);
   qint64 computePathSize(const QString& path);
   bool sameFiles(const QString& path1, const QString& path2);
-  QString updateLabelInSavePath(const QString &defaultSavePath, const QString &save_path, const QString& old_label, const QString& new_label);
   QString toValidFileSystemName(QString filename);
   bool isValidFileSystemName(const QString& filename);
   long long freeDiskSpaceOnPath(QString path);
@@ -54,7 +53,6 @@ namespace fsutils
   bool sameFileNames(const QString& first, const QString& second);
   QString expandPath(const QString& path);
   QString expandPathAbs(const QString& path);
-  bool isValidTorrentFile(const QString& path);
   bool smartRemoveEmptyFolderTree(const QString& dir_path);
   bool forceRemove(const QString& file_path);
 
@@ -64,7 +62,6 @@ namespace fsutils
   QString QDesktopServicesDownloadLocation();
   /* End of Qt4 code */
   QString searchEngineLocation();
-  QString BTBackupLocation();
   QString cacheLocation();
 
 }

src/core/iconprovider.cpp

@@ -0,0 +1,64 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2011  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include <QString>
+#include "iconprovider.h"
+
+IconProvider::IconProvider(QObject *parent)
+    : QObject(parent)
+{
+}
+
+IconProvider::~IconProvider() {}
+
+void IconProvider::initInstance()
+{
+    if (!m_instance)
+        m_instance = new IconProvider;
+}
+
+void IconProvider::freeInstance()
+{
+    if (m_instance) {
+        delete m_instance;
+        m_instance = 0;
+    }
+}
+
+IconProvider *IconProvider::instance()
+{
+    return m_instance;
+}
+
+QString IconProvider::getIconPath(const QString &iconId)
+{
+    return ":/icons/oxygen/" + iconId + ".png";
+}
+
+IconProvider *IconProvider::m_instance = 0;

src/core/iconprovider.h

@@ -0,0 +1,55 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2011  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef ICONPROVIDER_H
+#define ICONPROVIDER_H
+
+#include <QObject>
+
+class QString;
+
+class IconProvider : public QObject
+{
+    Q_DISABLE_COPY(IconProvider)
+
+public:
+    static void initInstance();
+    static void freeInstance();
+    static IconProvider *instance();
+
+    virtual QString getIconPath(const QString &iconId);
+
+protected:
+    explicit IconProvider(QObject *parent = 0);
+    ~IconProvider();
+
+    static IconProvider *m_instance;
+};
+
+#endif // ICONPROVIDER_H

src/core/logger.cpp

@@ -44,15 +44,18 @@ Logger::Logger()
 
 Logger::~Logger() {}
 
-Logger * Logger::instance()
+Logger *Logger::instance()
 {
-    if (!m_instance)
-        m_instance = new Logger;
-
     return m_instance;
 }
 
-void Logger::drop()
+void Logger::initInstance()
+{
+    if (!m_instance)
+        m_instance = new Logger;
+}
+
+void Logger::freeInstance()
 {
     if (m_instance) {
         delete m_instance;

src/core/logger.h

@@ -53,9 +53,9 @@ class Logger : public QObject
     Q_DISABLE_COPY(Logger)
 
 public:
-    static Logger* instance();
-    static void drop();
-    ~Logger();
+    static void initInstance();
+    static void freeInstance();
+    static Logger *instance();
 
     void addMessage(const QString &message, const Log::MsgType &type = Log::NORMAL);
 #if LIBTORRENT_VERSION_NUM < 10000
@@ -72,6 +72,8 @@ signals:
 
 private:
     Logger();
+    ~Logger();
+
     static Logger* m_instance;
     QVector<Log::Msg> m_messages;
     QVector<Log::Peer> m_peers;

src/core/misc.cpp

@@ -1,5 +1,5 @@
 /*
- * Bittorrent Client using Qt4 and libtorrent.
+ * Bittorrent Client using Qt and libtorrent.
  * Copyright (C) 2006  Christophe Dumez
  *
  * This program is free software; you can redistribute it and/or
@@ -28,8 +28,6 @@
  * Contact : chris@qbittorrent.org
  */
 
-#include "misc.h"
-
 #include <cmath>
 
 #include <QUrl>
@@ -71,14 +69,7 @@ const int UNLEN = 256;
 #endif
 #endif // DISABLE_GUI
 
-#if LIBTORRENT_VERSION_NUM < 10000
-#include <libtorrent/peer_id.hpp>
-#else
-#include <libtorrent/sha1_hash.hpp>
-#endif
-#include <libtorrent/magnet_uri.hpp>
-
-using namespace libtorrent;
+#include "misc.h"
 
 static struct { const char *source; const char *comment; } units[] = {
     QT_TRANSLATE_NOOP3("misc", "B", "bytes"),
@@ -88,35 +79,8 @@ static struct { const char *source; const char *comment; } units[] = {
     QT_TRANSLATE_NOOP3("misc", "TiB", "tebibytes (1024 gibibytes)")
 };
 
-QString misc::toQString(const std::string &str)
-{
-    return QString::fromLocal8Bit(str.c_str());
-}
-
-QString misc::toQString(const char* str)
-{
-    return QString::fromLocal8Bit(str);
-}
-
-QString misc::toQStringU(const std::string &str)
-{
-    return QString::fromUtf8(str.c_str());
-}
-
-QString misc::toQStringU(const char* str)
-{
-    return QString::fromUtf8(str);
-}
-
-QString misc::toQString(const libtorrent::sha1_hash &hash)
-{
-    char out[41];
-    libtorrent::to_hex((char const*)&hash[0], libtorrent::sha1_hash::size, out);
-    return QString(out);
-}
-
 #ifndef DISABLE_GUI
-void misc::shutdownComputer(shutDownAction action)
+void misc::shutdownComputer(ShutDownAction action)
 {
 #if (defined(Q_OS_UNIX) && !defined(Q_OS_MAC)) && defined(QT_DBUS_LIB)
     // Use dbus to power off / suspend the system
@@ -378,28 +342,6 @@ QString misc::bcLinkToMagnet(QString bc_link)
     return magnet;
 }
 
-QString misc::magnetUriToName(const QString& magnet_uri)
-{
-    add_torrent_params p;
-    error_code ec;
-    parse_magnet_uri(magnet_uri.toUtf8().constData(), p, ec);
-
-    if (ec)
-        return QString::null;
-    return toQStringU(p.name);
-}
-
-QString misc::magnetUriToHash(const QString& magnet_uri)
-{
-    add_torrent_params p;
-    error_code ec;
-    parse_magnet_uri(magnet_uri.toUtf8().constData(), p, ec);
-
-    if (ec)
-        return QString::null;
-    return toQString(p.info_hash);
-}
-
 // Take a number of seconds and return an user-friendly
 // time duration like "1d 2h 10m".
 QString misc::userFriendlyDuration(qlonglong seconds)
@@ -530,11 +472,6 @@ QString misc::parseHtmlLinks(const QString &raw_text)
     return result;
 }
 
-QString misc::toQString(time_t t)
-{
-    return QDateTime::fromTime_t(t).toString(Qt::DefaultLocaleLongDate);
-}
-
 #ifndef DISABLE_GUI
 bool misc::naturalSort(QString left, QString right, bool &result)   // uses lessThan comparison
 { // Return value indicates if functions was successful
@@ -624,18 +561,6 @@ bool misc::slowEquals(const QByteArray &a, const QByteArray &b)
     return (diff == 0);
 }
 
-void misc::loadBencodedFile(const QString &filename, std::vector<char> &buffer, libtorrent::lazy_entry &entry, libtorrent::error_code &ec)
-{
-    QFile file(filename);
-    if (!file.open(QIODevice::ReadOnly)) return;
-    const qint64 content_size = file.bytesAvailable();
-    if (content_size <= 0) return;
-    buffer.resize(content_size);
-    file.read(&buffer[0], content_size);
-    // bdecode
-    lazy_bdecode(&buffer[0], &buffer[0] + buffer.size(), entry, ec);
-}
-
 namespace {
 //  Trick to get a portable sleep() function
 class SleeperThread: public QThread {

src/core/misc.h

@@ -1,5 +1,5 @@
 /*
- * Bittorrent Client using Qt4 and libtorrent.
+ * Bittorrent Client using Qt and libtorrent.
  * Copyright (C) 2006  Christophe Dumez
  *
  * This program is free software; you can redistribute it and/or
@@ -39,37 +39,18 @@
 #include <QFile>
 #include <QDir>
 #include <QUrl>
-#ifndef DISABLE_GUI
-#include <QIcon>
-#endif
 
-#include <libtorrent/version.hpp>
-#include <libtorrent/error_code.hpp>
-
-namespace libtorrent {
-#if LIBTORRENT_VERSION_NUM < 10000
-    class big_number;
-    typedef big_number sha1_hash;
-#else
-    class sha1_hash;
-#endif
-    struct lazy_entry;
-}
+namespace BitTorrent { class TorrentHandle; }
 
 const qlonglong MAX_ETA = 8640000;
-enum shutDownAction { NO_SHUTDOWN, SHUTDOWN_COMPUTER, SUSPEND_COMPUTER, HIBERNATE_COMPUTER };
+enum ShutDownAction { NO_SHUTDOWN, SHUTDOWN_COMPUTER, SUSPEND_COMPUTER, HIBERNATE_COMPUTER };
 
 /*  Miscellaneaous functions that can be useful */
 namespace misc
 {
-    QString toQString(const std::string &str);
-    QString toQString(const char* str);
-    QString toQStringU(const std::string &str);
-    QString toQStringU(const char* str);
-    QString toQString(const libtorrent::sha1_hash &hash);
 
 #ifndef DISABLE_GUI
-    void shutdownComputer(shutDownAction action = SHUTDOWN_COMPUTER);
+    void shutdownComputer(ShutDownAction action = SHUTDOWN_COMPUTER);
 #endif
 
     QString parseHtmlLinks(const QString &raw_text);
@@ -87,8 +68,7 @@ namespace misc
     // value must be given in bytes
     QString friendlyUnit(qreal val, bool is_speed = false);
     bool isPreviewable(const QString& extension);
-    QString magnetUriToName(const QString& magnet_uri);
-    QString magnetUriToHash(const QString& magnet_uri);
+
     QString bcLinkToMagnet(QString bc_link);
     // Take a number of seconds and return an user-friendly
     // time duration like "1d 2h 10m".
@@ -100,7 +80,6 @@ namespace misc
     QList<int> intListfromStringList(const QStringList &l);
     QList<bool> boolListfromStringList(const QStringList &l);
 
-    QString toQString(time_t t);
     QString accurateDoubleToString(const double &n, const int &precision);
 
 #ifndef DISABLE_GUI
@@ -110,8 +89,6 @@ namespace misc
     // Implements constant-time comparison to protect against timing attacks
     // Taken from https://crackstation.net/hashing-security.htm
     bool slowEquals(const QByteArray &a, const QByteArray &b);
-    void loadBencodedFile(const QString &filename, std::vector<char> &buffer, libtorrent::lazy_entry &entry, libtorrent::error_code &ec);
-
     void msleep(unsigned long msecs);
 }
 

src/core/net/downloadhandler.cpp

@@ -33,12 +33,13 @@
 #include <QNetworkReply>
 #include <QNetworkProxy>
 #include <QNetworkCookie>
+#include <QUrl>
 #include <QDebug>
 
 #include <zlib.h>
 
-#include "fs_utils.h"
-#include "misc.h"
+#include "core/fs_utils.h"
+#include "core/misc.h"
 #include "downloadmanager.h"
 #include "downloadhandler.h"
 

src/core/net/downloadhandler.h

@@ -35,6 +35,7 @@
 QT_BEGIN_NAMESPACE
 class QNetworkAccessManager;
 class QNetworkReply;
+class QUrl;
 QT_END_NAMESPACE
 
 namespace Net

src/core/net/portforwarder.cpp

@@ -0,0 +1,160 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include <QDebug>
+
+#include <libtorrent/session.hpp>
+#if LIBTORRENT_VERSION_NUM < 10000
+#include <libtorrent/upnp.hpp>
+#include <libtorrent/natpmp.hpp>
+#endif
+
+#include "core/logger.h"
+#include "core/preferences.h"
+#include "portforwarder.h"
+
+namespace libt = libtorrent;
+using namespace Net;
+
+PortForwarder::PortForwarder(libtorrent::session *provider, QObject *parent)
+    : QObject(parent)
+    , m_active(false)
+    , m_provider(provider)
+#if LIBTORRENT_VERSION_NUM < 10000
+    , m_upnp(0)
+    , m_natpmp(0)
+#endif
+{
+    configure();
+    connect(Preferences::instance(), SIGNAL(changed()), SLOT(configure()));
+}
+
+PortForwarder::~PortForwarder()
+{
+    stop();
+}
+
+void PortForwarder::initInstance(libtorrent::session *const provider)
+{
+    if (!m_instance)
+        m_instance = new PortForwarder(provider);
+}
+
+void PortForwarder::freeInstance()
+{
+    if (m_instance) {
+        delete m_instance;
+        m_instance = 0;
+    }
+}
+
+PortForwarder *PortForwarder::instance()
+{
+    return m_instance;
+}
+
+void PortForwarder::addPort(qint16 port)
+{
+    if (!m_mappedPorts.contains(port)) {
+#if LIBTORRENT_VERSION_NUM < 10000
+        m_mappedPorts.insert(port, qMakePair(0, 0));
+#else
+        m_mappedPorts.insert(port, 0);
+#endif
+        if (m_active) {
+#if LIBTORRENT_VERSION_NUM < 10000
+            m_mappedPorts[port].first = m_upnp->add_mapping(libt::upnp::tcp, port, port);
+            m_mappedPorts[port].second = m_natpmp->add_mapping(libt::natpmp::tcp, port, port);
+#else
+            m_mappedPorts[port] = m_provider->add_port_mapping(libt::session::tcp, port, port);
+#endif
+        }
+    }
+}
+
+void PortForwarder::deletePort(qint16 port)
+{
+    if (m_mappedPorts.contains(port)) {
+        if (m_active) {
+#if LIBTORRENT_VERSION_NUM < 10000
+            m_upnp->delete_mapping(m_mappedPorts[port].first);
+            m_natpmp->delete_mapping(m_mappedPorts[port].second);
+#else
+            m_provider->delete_port_mapping(m_mappedPorts[port]);
+#endif
+        }
+        m_mappedPorts.remove(port);
+    }
+}
+
+void PortForwarder::configure()
+{
+    bool enable = Preferences::instance()->isUPnPEnabled();
+    if (m_active != enable) {
+        if (enable)
+            start();
+        else
+            stop();
+    }
+}
+
+void PortForwarder::start()
+{
+    qDebug("Enabling UPnP / NAT-PMP");
+#if LIBTORRENT_VERSION_NUM < 10000
+    m_upnp = m_provider->start_upnp();
+    m_natpmp = m_provider->start_natpmp();
+    foreach (qint16 port, m_mappedPorts.keys()) {
+        m_mappedPorts[port].first = m_upnp->add_mapping(libt::upnp::tcp, port, port);
+        m_mappedPorts[port].second = m_natpmp->add_mapping(libt::natpmp::tcp, port, port);
+    }
+#else
+    m_provider->start_upnp();
+    m_provider->start_natpmp();
+    foreach (qint16 port, m_mappedPorts.keys())
+        m_mappedPorts[port] = m_provider->add_port_mapping(libt::session::tcp, port, port);
+#endif
+    m_active = true;
+    Logger::instance()->addMessage(tr("UPnP / NAT-PMP support [ON]"), Log::INFO);
+}
+
+void PortForwarder::stop()
+{
+    qDebug("Disabling UPnP / NAT-PMP");
+    m_provider->stop_upnp();
+    m_provider->stop_natpmp();
+
+#if LIBTORRENT_VERSION_NUM < 10000
+    m_upnp = 0;
+    m_natpmp = 0;
+#endif
+    m_active = false;
+    Logger::instance()->addMessage(tr("UPnP / NAT-PMP support [OFF]"), Log::INFO);
+}
+
+PortForwarder *PortForwarder::m_instance = 0;

src/core/net/portforwarder.h

@@ -0,0 +1,84 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef NET_PORTFORWARDER_H
+#define NET_PORTFORWARDER_H
+
+#include <QObject>
+#include <QHash>
+#include <libtorrent/version.hpp>
+
+namespace libtorrent
+{
+#if LIBTORRENT_VERSION_NUM < 10000
+    class upnp;
+    class natpmp;
+#endif
+    class session;
+}
+
+namespace Net
+{
+    class PortForwarder : public QObject
+    {
+        Q_OBJECT
+        Q_DISABLE_COPY(PortForwarder)
+
+    public:
+        static void initInstance(libtorrent::session *const provider);
+        static void freeInstance();
+        static PortForwarder *instance();
+
+        void addPort(qint16 port);
+        void deletePort(qint16 port);
+
+    private slots:
+        void configure();
+
+    private:
+        explicit PortForwarder(libtorrent::session *const provider, QObject *parent = 0);
+        ~PortForwarder();
+
+        void start();
+        void stop();
+
+        bool m_active;
+        libtorrent::session *m_provider;
+#if LIBTORRENT_VERSION_NUM < 10000
+        libtorrent::upnp *m_upnp;
+        libtorrent::natpmp *m_natpmp;
+        QHash<qint16, QPair<int, int> > m_mappedPorts;
+#else
+        QHash<qint16, int> m_mappedPorts;
+#endif
+
+        static PortForwarder *m_instance;
+    };
+}
+
+#endif // NET_PORTFORWARDER_H

src/core/preferences.cpp

@@ -116,15 +116,18 @@ Preferences::~Preferences()
     save();
 }
 
-Preferences * Preferences::instance()
+Preferences *Preferences::instance()
 {
-    if (!m_instance)
-        m_instance = new Preferences;
-
     return m_instance;
 }
 
-void Preferences::drop()
+void Preferences::initInstance()
+{
+    if (!m_instance)
+        m_instance = new Preferences;
+}
+
+void Preferences::freeInstance()
 {
     if (m_instance) {
         delete m_instance;
@@ -132,12 +135,11 @@ void Preferences::drop()
     }
 }
 
-void Preferences::save()
+bool Preferences::save()
 {
     QReadLocker locker(&lock);
 
-    if (!dirty)
-        return;
+    if (!dirty) return false;
 
 #ifndef Q_OS_MAC
     // QSettings delete the file before writing it out. This can result in problems
@@ -160,7 +162,7 @@ void Preferences::save()
     settings->sync(); // Important to get error status
     if (settings->status() == QSettings::AccessError) {
         delete settings;
-        return;
+        return false;
     }
     QString new_path = settings->fileName();
     delete settings;
@@ -173,7 +175,7 @@ void Preferences::save()
     delete settings;
 #endif
 
-    emit changed();
+    return true;
 }
 
 const QVariant Preferences::value(const QString &key, const QVariant &defaultValue) const
@@ -950,12 +952,12 @@ void Preferences::setGlobalMaxRatio(qreal ratio)
     setValue("Preferences/Bittorrent/MaxRatio", ratio);
 }
 
-int Preferences::getMaxRatioAction() const
+MaxRatioAction Preferences::getMaxRatioAction() const
 {
-    return value("Preferences/Bittorrent/MaxRatioAction", PAUSE_ACTION).toInt();
+    return value("Preferences/Bittorrent/MaxRatioAction", MaxRatioAction::Pause).toInt();
 }
 
-void Preferences::setMaxRatioAction(int act)
+void Preferences::setMaxRatioAction(MaxRatioAction act)
 {
     setValue("Preferences/Bittorrent/MaxRatioAction", act);
 }
@@ -2477,3 +2479,9 @@ void Preferences::setHostNameCookies(const QString &host_name, const QList<QByte
     hosts_table.insert(host_name, raw_cookies);
     setValue("Rss/hosts_cookies", hosts_table);
 }
+
+void Preferences::apply()
+{
+    if (save())
+        emit changed();
+}

src/core/preferences.h

@@ -43,6 +43,8 @@
 
 #include <libtorrent/version.hpp>
 
+#include "core/types.h"
+
 enum scheduler_days
 {
     EVERY_DAY,
@@ -57,12 +59,6 @@ enum scheduler_days
     SUN
 };
 
-enum maxRatioAction
-{
-    PAUSE_ACTION,
-    REMOVE_ACTION
-};
-
 namespace Proxy
 {
     enum ProxyType
@@ -101,7 +97,9 @@ class Preferences: public QObject
     Q_DISABLE_COPY(Preferences)
 
 private:
-    explicit Preferences();
+    Preferences();
+    ~Preferences();
+
     static Preferences* m_instance;
     QHash<QString, QVariant> m_data;
     int m_randomPort;
@@ -111,16 +109,16 @@ private:
     const QVariant value(const QString &key, const QVariant &defaultValue = QVariant()) const;
     void setValue(const QString &key, const QVariant &value);
 
+private slots:
+    bool save();
+
 signals:
     void changed();
 
-public slots:
-    void save();
-
 public:
+    static void initInstance();
+    static void freeInstance();
     static Preferences* instance();
-    static void drop();
-    ~Preferences();
 
     // General options
     QString getLocale() const;
@@ -276,8 +274,8 @@ public:
     void setEncryptionSetting(int val);
     qreal getGlobalMaxRatio() const;
     void setGlobalMaxRatio(qreal ratio);
-    int getMaxRatioAction() const;
-    void setMaxRatioAction(int act);
+    MaxRatioAction getMaxRatioAction() const;
+    void setMaxRatioAction(MaxRatioAction act);
 
     // IP Filter
     bool isFilteringEnabled() const;
@@ -536,6 +534,8 @@ public slots:
     void setStatusFilterState(bool checked);
     void setLabelFilterState(bool checked);
     void setTrackerFilterState(bool checked);
+
+    void apply();
 };
 
 #endif // PREFERENCES_H

src/core/qtlibtorrent/bandwidthscheduler.h

@@ -1,79 +0,0 @@
-#ifndef BANDWIDTHSCHEDULER_H
-#define BANDWIDTHSCHEDULER_H
-
-#include <QTimer>
-#include <QTime>
-#include <QDateTime>
-#include "core/preferences.h"
-#include <iostream>
-
-
-class BandwidthScheduler: public QTimer {
-    Q_OBJECT
-
-public:
-    BandwidthScheduler(QObject *parent): QTimer(parent) {
-        Q_ASSERT(Preferences::instance()->isSchedulerEnabled());
-        // Signal shot, we call start() again manually
-        setSingleShot(true);
-        // Connect Signals/Slots
-        connect(this, SIGNAL(timeout()), this, SLOT(start()));
-    }
-
-public slots:
-    void start() {
-        const Preferences* const pref = Preferences::instance();
-        Q_ASSERT(pref->isSchedulerEnabled());
-        bool alt_bw_enabled = pref->isAltBandwidthEnabled();
-
-        QTime start = pref->getSchedulerStartTime();
-        QTime end = pref->getSchedulerEndTime();
-        QTime now = QTime::currentTime();
-        int sched_days = pref->getSchedulerDays();
-        int day = QDateTime::currentDateTime().toLocalTime().date().dayOfWeek();
-        bool new_mode = false;
-        bool reverse = false;
-
-        if (start > end) {
-            QTime temp = start;
-            start = end;
-            end = temp;
-            reverse = true;
-        }
-
-        if (start <= now && end >= now) {
-            switch(sched_days) {
-            case EVERY_DAY:
-                new_mode = true;
-                break;
-            case WEEK_ENDS:
-                if (day == 6 || day == 7)
-                    new_mode = true;
-                break;
-            case WEEK_DAYS:
-                if (day != 6 && day != 7)
-                    new_mode = true;
-                break;
-            default:
-                if (day == sched_days - 2)
-                    new_mode = true;
-                break;
-            }
-        }
-
-        if (reverse)
-            new_mode = !new_mode;
-
-        if (new_mode != alt_bw_enabled)
-            emit switchToAlternativeMode(new_mode);
-
-        // Timeout regularly to accomodate for external system clock changes
-        // eg from the user or from a timesync utility
-        QTimer::start(1500);
-    }
-
-signals:
-    void switchToAlternativeMode(bool alternative);
-};
-
-#endif // BANDWIDTHSCHEDULER_H

src/core/qtlibtorrent/filterparserthread.cpp

@@ -1,394 +0,0 @@
-/*
- * Bittorrent Client using Qt4 and libtorrent.
- * Copyright (C) 2006  Christophe Dumez
- *
- * 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.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- *
- * Contact : chris@qbittorrent.org
- */
-
-#include "filterparserthread.h"
-
-#include <QFile>
-#include <QHostAddress>
-
-#include <libtorrent/session.hpp>
-#include <libtorrent/ip_filter.hpp>
-
-FilterParserThread::FilterParserThread(QObject* parent, libtorrent::session *s) : QThread(parent), s(s), abort(false) {
-
-}
-
-FilterParserThread::~FilterParserThread() {
-    abort = true;
-    wait();
-}
-
-// Parser for eMule ip filter in DAT format
-int FilterParserThread::parseDATFilterFile(QString filePath, libtorrent::ip_filter& filter) {
-    int ruleCount = 0;
-    QFile file(filePath);
-    if (file.exists()) {
-        if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
-            std::cerr << "I/O Error: Could not open ip filer file in read mode." << std::endl;
-            return ruleCount;
-        }
-        unsigned int nbLine = 0;
-        while (!file.atEnd() && !abort) {
-            ++nbLine;
-            QByteArray line = file.readLine();
-            // Ignoring empty lines
-            line = line.trimmed();
-            if (line.isEmpty()) continue;
-            // Ignoring commented lines
-            if (line.startsWith('#') || line.startsWith("//")) continue;
-
-            // Line should be splitted by commas
-            QList<QByteArray> partsList = line.split(',');
-            const uint nbElem = partsList.size();
-
-            // IP Range should be splitted by a dash
-            QList<QByteArray> IPs = partsList.first().split('-');
-            if (IPs.size() != 2) {
-                qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
-                qDebug("Line was %s", line.constData());
-                continue;
-            }
-
-            boost::system::error_code ec;
-            const QString strStartIP = cleanupIPAddress(IPs.at(0));
-            if (strStartIP.isEmpty()) {
-                qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
-                qDebug("Start IP of the range is malformated: %s", qPrintable(strStartIP));
-                continue;
-            }
-            libtorrent::address startAddr = libtorrent::address::from_string(qPrintable(strStartIP), ec);
-            if (ec) {
-                qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
-                qDebug("Start IP of the range is malformated: %s", qPrintable(strStartIP));
-                continue;
-            }
-            const QString strEndIP = cleanupIPAddress(IPs.at(1));
-            if (strEndIP.isEmpty()) {
-                qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
-                qDebug("End IP of the range is malformated: %s", qPrintable(strEndIP));
-                continue;
-            }
-            libtorrent::address endAddr = libtorrent::address::from_string(qPrintable(strEndIP), ec);
-            if (ec) {
-                qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
-                qDebug("End IP of the range is malformated: %s", qPrintable(strEndIP));
-                continue;
-            }
-            if (startAddr.is_v4() != endAddr.is_v4()) {
-                qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
-                qDebug("One IP is IPv4 and the other is IPv6!");
-                continue;
-            }
-
-            // Check if there is an access value (apparently not mandatory)
-            int nbAccess = 0;
-            if (nbElem > 1) {
-                // There is possibly one
-                nbAccess = partsList.at(1).trimmed().toInt();
-            }
-
-            if (nbAccess > 127) {
-                // Ignoring this rule because access value is too high
-                continue;
-            }
-            // Now Add to the filter
-            try {
-                filter.add_rule(startAddr, endAddr, libtorrent::ip_filter::blocked);
-                ++ruleCount;
-            }catch(exception) {
-                qDebug("Bad line in filter file, avoided crash...");
-            }
-        }
-        file.close();
-    }
-    return ruleCount;
-}
-
-// Parser for PeerGuardian ip filter in p2p format
-int FilterParserThread::parseP2PFilterFile(QString filePath, libtorrent::ip_filter& filter) {
-    int ruleCount = 0;
-    QFile file(filePath);
-    if (file.exists()) {
-        if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
-            std::cerr << "I/O Error: Could not open ip filer file in read mode." << std::endl;
-            return ruleCount;
-        }
-        unsigned int nbLine = 0;
-        while (!file.atEnd() && !abort) {
-            ++nbLine;
-            QByteArray line = file.readLine().trimmed();
-            if (line.isEmpty()) continue;
-            // Ignoring commented lines
-            if (line.startsWith('#') || line.startsWith("//")) continue;
-            // Line is splitted by :
-            QList<QByteArray> partsList = line.split(':');
-            if (partsList.size() < 2) {
-                qDebug("p2p file: line %d is malformed.", nbLine);
-                continue;
-            }
-            // Get IP range
-            QList<QByteArray> IPs = partsList.last().split('-');
-            if (IPs.size() != 2) {
-                qDebug("p2p file: line %d is malformed.", nbLine);
-                qDebug("line was: %s", line.constData());
-                continue;
-            }
-            boost::system::error_code ec;
-            QString strStartIP = cleanupIPAddress(IPs.at(0));
-            if (strStartIP.isEmpty()) {
-                qDebug("p2p file: line %d is malformed.", nbLine);
-                qDebug("Start IP is invalid: %s", qPrintable(strStartIP));
-                continue;
-            }
-            libtorrent::address startAddr = libtorrent::address::from_string(qPrintable(strStartIP), ec);
-            if (ec) {
-                qDebug("p2p file: line %d is malformed.", nbLine);
-                qDebug("Start IP is invalid: %s", qPrintable(strStartIP));
-                continue;
-            }
-            QString strEndIP = cleanupIPAddress(IPs.at(1));
-            if (strEndIP.isEmpty()) {
-                qDebug("p2p file: line %d is malformed.", nbLine);
-                qDebug("End IP is invalid: %s", qPrintable(strStartIP));
-                continue;
-            }
-            libtorrent::address endAddr = libtorrent::address::from_string(qPrintable(strEndIP), ec);
-            if (ec) {
-                qDebug("p2p file: line %d is malformed.", nbLine);
-                qDebug("End IP is invalid: %s", qPrintable(strStartIP));
-                continue;
-            }
-            if (startAddr.is_v4() != endAddr.is_v4()) {
-                qDebug("p2p file: line %d is malformed.", nbLine);
-                qDebug("Line was: %s", line.constData());
-                continue;
-            }
-            try {
-                filter.add_rule(startAddr, endAddr, libtorrent::ip_filter::blocked);
-                ++ruleCount;
-            } catch(std::exception&) {
-                qDebug("p2p file: line %d is malformed.", nbLine);
-                qDebug("Line was: %s", line.constData());
-                continue;
-            }
-        }
-        file.close();
-    }
-    return ruleCount;
-}
-
-int FilterParserThread::getlineInStream(QDataStream& stream, string& name, char delim) {
-    char c;
-    int total_read = 0;
-    int read;
-    do {
-        read = stream.readRawData(&c, 1);
-        total_read += read;
-        if (read > 0) {
-            if (c != delim) {
-                name += c;
-            } else {
-                // Delim found
-                return total_read;
-            }
-        }
-    } while(read > 0);
-    return total_read;
-}
-
-// Parser for PeerGuardian ip filter in p2p format
-int FilterParserThread::parseP2BFilterFile(QString filePath, libtorrent::ip_filter& filter) {
-    int ruleCount = 0;
-    QFile file(filePath);
-    if (file.exists()) {
-        if (!file.open(QIODevice::ReadOnly)) {
-            std::cerr << "I/O Error: Could not open ip filer file in read mode." << std::endl;
-            return ruleCount;
-        }
-        QDataStream stream(&file);
-        // Read header
-        char buf[7];
-        unsigned char version;
-        if (
-            !stream.readRawData(buf, sizeof(buf)) ||
-            memcmp(buf, "\xFF\xFF\xFF\xFFP2B", 7) ||
-            !stream.readRawData((char*)&version, sizeof(version))
-            ) {
-            std::cerr << "Parsing Error: The filter file is not a valid PeerGuardian P2B file." << std::endl;
-            return ruleCount;
-        }
-
-        if (version==1 || version==2) {
-            qDebug ("p2b version 1 or 2");
-            unsigned int start, end;
-
-            string name;
-            while(getlineInStream(stream, name, '\0') && !abort) {
-                if (
-                    !stream.readRawData((char*)&start, sizeof(start)) ||
-                    !stream.readRawData((char*)&end, sizeof(end))
-                    ) {
-                    std::cerr << "Parsing Error: The filter file is not a valid PeerGuardian P2B file." << std::endl;
-                    return ruleCount;
-                }
-                // Network byte order to Host byte order
-                // asio address_v4 contructor expects it
-                // that way
-                libtorrent::address_v4 first(ntohl(start));
-                libtorrent::address_v4 last(ntohl(end));
-                // Apply to bittorrent session
-                try {
-                    filter.add_rule(first, last, libtorrent::ip_filter::blocked);
-                    ++ruleCount;
-                } catch(std::exception&) {}
-            }
-        }
-        else if (version==3) {
-            qDebug ("p2b version 3");
-            unsigned int namecount;
-            if (!stream.readRawData((char*)&namecount, sizeof(namecount))) {
-                std::cerr << "Parsing Error: The filter file is not a valid PeerGuardian P2B file." << std::endl;
-                return ruleCount;
-            }
-            namecount=ntohl(namecount);
-            // Reading names although, we don't really care about them
-            for (unsigned int i=0; i<namecount; i++) {
-                string name;
-                if (!getlineInStream(stream, name, '\0')) {
-                    std::cerr << "Parsing Error: The filter file is not a valid PeerGuardian P2B file." << std::endl;
-                    return ruleCount;
-                }
-                if (abort) return ruleCount;
-            }
-            // Reading the ranges
-            unsigned int rangecount;
-            if (!stream.readRawData((char*)&rangecount, sizeof(rangecount))) {
-                std::cerr << "Parsing Error: The filter file is not a valid PeerGuardian P2B file." << std::endl;
-                return ruleCount;
-            }
-            rangecount=ntohl(rangecount);
-
-            unsigned int name, start, end;
-
-            for (unsigned int i=0; i<rangecount; i++) {
-                if (
-                    !stream.readRawData((char*)&name, sizeof(name)) ||
-                    !stream.readRawData((char*)&start, sizeof(start)) ||
-                    !stream.readRawData((char*)&end, sizeof(end))
-                    ) {
-                    std::cerr << "Parsing Error: The filter file is not a valid PeerGuardian P2B file." << std::endl;
-                    return ruleCount;
-                }
-                // Network byte order to Host byte order
-                // asio address_v4 contructor expects it
-                // that way
-                libtorrent::address_v4 first(ntohl(start));
-                libtorrent::address_v4 last(ntohl(end));
-                // Apply to bittorrent session
-                try {
-                    filter.add_rule(first, last, libtorrent::ip_filter::blocked);
-                    ++ruleCount;
-                } catch(std::exception&) {}
-                if (abort) return ruleCount;
-            }
-        } else {
-            std::cerr << "Parsing Error: The filter file is not a valid PeerGuardian P2B file." << std::endl;
-            return ruleCount;
-        }
-        file.close();
-    }
-    return ruleCount;
-}
-
-// Process ip filter file
-// Supported formats:
-//  * eMule IP list (DAT): http://wiki.phoenixlabs.org/wiki/DAT_Format
-//  * PeerGuardian Text (P2P): http://wiki.phoenixlabs.org/wiki/P2P_Format
-//  * PeerGuardian Binary (P2B): http://wiki.phoenixlabs.org/wiki/P2B_Format
-void FilterParserThread::processFilterFile(QString _filePath) {
-    if (isRunning()) {
-        // Already parsing a filter, abort first
-        abort = true;
-        wait();
-    }
-    abort = false;
-    filePath = _filePath;
-    // Run it
-    start();
-}
-
-void FilterParserThread::processFilterList(libtorrent::session *s, const QStringList& IPs) {
-    // First, import current filter
-    libtorrent::ip_filter filter = s->get_ip_filter();
-    foreach (const QString &ip, IPs) {
-        qDebug("Manual ban of peer %s", ip.toLocal8Bit().constData());
-        boost::system::error_code ec;
-        libtorrent::address addr = libtorrent::address::from_string(ip.toLocal8Bit().constData(), ec);
-        Q_ASSERT(!ec);
-        if (!ec)
-            filter.add_rule(addr, addr, libtorrent::ip_filter::blocked);
-    }
-    s->set_ip_filter(filter);
-}
-
-QString FilterParserThread::cleanupIPAddress(QString _ip) {
-    QHostAddress ip(_ip.trimmed());
-    if (ip.isNull()) {
-        return QString();
-    }
-    return ip.toString();
-}
-
-void FilterParserThread::run() {
-    qDebug("Processing filter file");
-    libtorrent::ip_filter filter = s->get_ip_filter();
-    int ruleCount = 0;
-    if (filePath.endsWith(".p2p", Qt::CaseInsensitive)) {
-        // PeerGuardian p2p file
-        ruleCount = parseP2PFilterFile(filePath, filter);
-    } else {
-        if (filePath.endsWith(".p2b", Qt::CaseInsensitive)) {
-            // PeerGuardian p2b file
-            ruleCount = parseP2BFilterFile(filePath, filter);
-        } else {
-            // Default: eMule DAT format
-            ruleCount = parseDATFilterFile(filePath, filter);
-        }
-    }
-    if (abort)
-        return;
-    try {
-        s->set_ip_filter(filter);
-        emit IPFilterParsed(ruleCount);
-    } catch(std::exception&) {
-        emit IPFilterError();
-    }
-    qDebug("IP Filter thread: finished parsing, filter applied");
-}

src/core/qtlibtorrent/qbtsession.h

@@ -1,352 +0,0 @@
-/*
- * Bittorrent Client using Qt4 and libtorrent.
- * Copyright (C) 2006  Christophe Dumez
- *
- * 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.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- *
- * Contact : chris@qbittorrent.org
- */
-#ifndef __BITTORRENT_H__
-#define __BITTORRENT_H__
-
-#include <QMap>
-#include <QHash>
-#include <QUrl>
-#include <QStringList>
-#include <QPointer>
-#include <QTimer>
-#include <QNetworkCookie>
-
-#include <libtorrent/version.hpp>
-
-#include "qtorrenthandle.h"
-#include "trackerinfos.h"
-#include "core/misc.h"
-
-#ifndef DISABLE_GUI
-#include "rssdownloadrule.h"
-#endif
-
-namespace libtorrent {
-struct add_torrent_params;
-struct pe_settings;
-struct proxy_settings;
-class session;
-struct session_status;
-
-class alert;
-struct torrent_finished_alert;
-struct save_resume_data_alert;
-struct file_renamed_alert;
-struct torrent_deleted_alert;
-struct storage_moved_alert;
-struct storage_moved_failed_alert;
-struct metadata_received_alert;
-struct file_error_alert;
-struct file_completed_alert;
-struct torrent_paused_alert;
-struct tracker_error_alert;
-struct tracker_reply_alert;
-struct tracker_warning_alert;
-struct portmap_error_alert;
-struct portmap_alert;
-struct peer_blocked_alert;
-struct peer_ban_alert;
-struct fastresume_rejected_alert;
-struct url_seed_alert;
-struct listen_succeeded_alert;
-struct listen_failed_alert;
-struct torrent_checked_alert;
-struct external_ip_alert;
-struct state_update_alert;
-struct stats_alert;
-
-#if LIBTORRENT_VERSION_NUM < 10000
-class upnp;
-class natpmp;
-#endif
-}
-
-class DownloadThread;
-class FilterParserThread;
-class BandwidthScheduler;
-class ScanFoldersModel;
-class TorrentSpeedMonitor;
-class TorrentStatistics;
-class QAlertDispatcher;
-
-enum TorrentExportFolder {
-    RegularTorrentExportFolder,
-    FinishedTorrentExportFolder
-};
-
-class QTracker;
-
-class QBtSession : public QObject {
-    Q_OBJECT
-    Q_DISABLE_COPY(QBtSession)
-
-public:
-    static const qreal MAX_RATIO;
-
-private:
-    explicit QBtSession();
-    static QBtSession* m_instance;
-
-public:
-    static QBtSession* instance();
-    static void drop();
-    ~QBtSession();
-    QTorrentHandle getTorrentHandle(const QString &hash) const;
-    std::vector<libtorrent::torrent_handle> getTorrents() const;
-    qreal getPayloadDownloadRate() const;
-    qreal getPayloadUploadRate() const;
-    libtorrent::session_status getSessionStatus() const;
-    int getListenPort() const;
-    qreal getRealRatio(const libtorrent::torrent_status &status) const;
-    QHash<QString, TrackerInfos> getTrackersInfo(const QString &hash) const;
-    bool hasActiveTorrents() const;
-    bool hasDownloadingTorrents() const;
-    //int getMaximumActiveDownloads() const;
-    //int getMaximumActiveTorrents() const;
-    inline libtorrent::session* getSession() const { return s; }
-    inline bool useTemporaryFolder() const { return !defaultTempPath.isEmpty(); }
-    inline QString getDefaultSavePath() const { return defaultSavePath; }
-    inline ScanFoldersModel* getScanFoldersModel() const {  return m_scanFolders; }
-    inline bool isDHTEnabled() const { return DHTEnabled; }
-    inline bool isLSDEnabled() const { return LSDEnabled; }
-    inline bool isPexEnabled() const { return PeXEnabled; }
-    inline bool isQueueingEnabled() const { return queueingEnabled; }
-    quint64 getAlltimeDL() const;
-    quint64 getAlltimeUL() const;
-    void postTorrentUpdate();
-
-public slots:
-    QTorrentHandle addTorrent(QString path, bool fromScanDir = false, QString from_url = QString(), bool resumed = false, bool imported = false);
-    QTorrentHandle addMagnetUri(QString magnet_uri, bool resumed=false, bool fromScanDir=false, const QString &filePath=QString());
-    void loadSessionState();
-    void saveSessionState();
-    void downloadFromUrl(const QString &url, const QList<QNetworkCookie>& cookies = QList<QNetworkCookie>());
-    void deleteTorrent(const QString &hash, bool delete_local_files = false);
-    void startUpTorrents();
-    void recheckTorrent(const QString &hash);
-    void useAlternativeSpeedsLimit(bool alternative);
-    qlonglong getETA(const QString& hash, const libtorrent::torrent_status &status) const;
-    /* Needed by Web UI */
-    void pauseAllTorrents();
-    void pauseTorrent(const QString &hash);
-    void resumeTorrent(const QString &hash, const bool force = false);
-    void resumeAllTorrents();
-    /* End Web UI */
-    void preAllocateAllFiles(bool b);
-    void saveFastResumeData();
-    void enableIPFilter(const QString &filter_path, bool force=false);
-    void disableIPFilter();
-    void setQueueingEnabled(bool enable);
-    void handleDownloadFailure(QString url, QString reason);
-    void handleMagnetRedirect(const QString &url_new, const QString &url_old);
-#ifndef DISABLE_GUI
-    void downloadUrlAndSkipDialog(QString url, QString save_path=QString(), QString label=QString(),
-                                  const QList<QNetworkCookie>& cookies = QList<QNetworkCookie>(),
-                                  const RssDownloadRule::AddPausedState &aps = RssDownloadRule::USE_GLOBAL);
-#else
-    void downloadUrlAndSkipDialog(QString url, QString save_path=QString(), QString label=QString(),
-                                  const QList<QNetworkCookie>& cookies = QList<QNetworkCookie>());
-#endif
-    // Session configuration - Setters
-    void setListeningPort(int port);
-    void setMaxConnectionsPerTorrent(int max);
-    void setMaxUploadsPerTorrent(int max);
-    void setDownloadRateLimit(long rate);
-    void setUploadRateLimit(long rate);
-    void setGlobalMaxRatio(qreal ratio);
-    qreal getGlobalMaxRatio() const { return global_ratio_limit; }
-    void setMaxRatioPerTorrent(const QString &hash, qreal ratio);
-    qreal getMaxRatioPerTorrent(const QString &hash, bool *usesGlobalRatio) const;
-    void removeRatioPerTorrent(const QString &hash);
-    void setDefaultSavePath(const QString &savepath);
-    void setDefaultTempPath(const QString &temppath);
-    void setAppendLabelToSavePath(bool append);
-    void appendLabelToTorrentSavePath(const QTorrentHandle &h);
-    void changeLabelInTorrentSavePath(const QTorrentHandle &h, QString old_label, QString new_label);
-    void appendqBextensionToTorrent(const QTorrentHandle &h, bool append);
-    void setAppendqBExtension(bool append);
-    void setDownloadLimit(QString hash, long val);
-    void setUploadLimit(QString hash, long val);
-    void enableUPnP(bool b);
-    void enableLSD(bool b);
-    void enableDHT(bool b);
-    void processDownloadedFile(QString, QString);
-#ifndef DISABLE_GUI
-    void addMagnetSkipAddDlg(const QString& uri, const QString& save_path = QString(), const QString& label = QString(),
-                             const RssDownloadRule::AddPausedState &aps = RssDownloadRule::USE_GLOBAL, const QString &uri_old = QString());
-#else
-    void addMagnetSkipAddDlg(const QString& uri, const QString& save_path = QString(), const QString& label = QString(), const QString &uri_old = QString());
-#endif
-    void addMagnetInteractive(const QString& uri);
-    void downloadFromURLList(const QStringList& urls);
-    void banIP(QString ip);
-    void recursiveTorrentDownload(const QTorrentHandle &h);
-    void unhideMagnet(const QString &hash);
-    void addTrackersAndUrlSeeds(const QString &hash, const QStringList &trackers, const QStringList& urlSeeds);
-
-private:
-    void applyEncryptionSettings(libtorrent::pe_settings se);
-    void setProxySettings(libtorrent::proxy_settings proxySettings);
-    void setSessionSettings(const libtorrent::session_settings &sessionSettings);
-    QString getSavePath(const QString &hash, bool fromScanDir = false, QString filePath = QString::null, bool imported = false);
-    bool loadFastResumeData(const QString &hash, std::vector<char> &buf);
-    void loadTorrentSettings(QTorrentHandle &h);
-    void loadTorrentTempData(QTorrentHandle &h, QString savePath, bool magnet);
-    void initializeAddTorrentParams(const QString &hash, libtorrent::add_torrent_params &p);
-    void updateRatioTimer();
-    void recoverPersistentData(const QString &hash, const std::vector<char> &buf);
-    void backupPersistentData(const QString &hash, boost::shared_ptr<libtorrent::entry> data);
-    void handleAlert(libtorrent::alert* a);
-    void handleTorrentFinishedAlert(libtorrent::torrent_finished_alert* p);
-    void handleSaveResumeDataAlert(libtorrent::save_resume_data_alert* p);
-    void handleFileRenamedAlert(libtorrent::file_renamed_alert* p);
-    void handleTorrentDeletedAlert(libtorrent::torrent_deleted_alert* p);
-    void handleStorageMovedAlert(libtorrent::storage_moved_alert* p);
-    void handleStorageMovedFailedAlert(libtorrent::storage_moved_failed_alert* p);
-    void handleMetadataReceivedAlert(libtorrent::metadata_received_alert* p);
-    void handleFileErrorAlert(libtorrent::file_error_alert* p);
-    void handleFileCompletedAlert(libtorrent::file_completed_alert* p);
-    void handleTorrentPausedAlert(libtorrent::torrent_paused_alert* p);
-    void handleTrackerErrorAlert(libtorrent::tracker_error_alert* p);
-    void handleTrackerReplyAlert(libtorrent::tracker_reply_alert* p);
-    void handleTrackerWarningAlert(libtorrent::tracker_warning_alert* p);
-    void handlePortmapWarningAlert(libtorrent::portmap_error_alert* p);
-    void handlePortmapAlert(libtorrent::portmap_alert* p);
-    void handlePeerBlockedAlert(libtorrent::peer_blocked_alert* p);
-    void handlePeerBanAlert(libtorrent::peer_ban_alert* p);
-    void handleFastResumeRejectedAlert(libtorrent::fastresume_rejected_alert* p);
-    void handleUrlSeedAlert(libtorrent::url_seed_alert* p);
-    void handleListenSucceededAlert(libtorrent::listen_succeeded_alert *p);
-    void handleListenFailedAlert(libtorrent::listen_failed_alert *p);
-    void handleTorrentCheckedAlert(libtorrent::torrent_checked_alert* p);
-    void handleExternalIPAlert(libtorrent::external_ip_alert *p);
-    void handleStateUpdateAlert(libtorrent::state_update_alert *p);
-    void handleStatsAlert(libtorrent::stats_alert *p);
-
-private slots:
-    void addTorrentsFromScanFolder(QStringList&);
-    void readAlerts();
-    void processBigRatios();
-    void exportTorrentFiles(QString path);
-    void saveTempFastResumeData();
-    void sendNotificationEmail(const QTorrentHandle &h);
-    void autoRunExternalProgram(const QTorrentHandle &h);
-    void mergeTorrents(const QTorrentHandle &h, const boost::intrusive_ptr<libtorrent::torrent_info> t);
-    void mergeTorrents(const QTorrentHandle &h, const QString &magnet_uri);
-    void mergeTorrents_impl(const QTorrentHandle &h, const QStringList &trackers, const QStringList& urlSeeds);
-    void exportTorrentFile(const QTorrentHandle &h, TorrentExportFolder folder = RegularTorrentExportFolder);
-    void handleIPFilterParsed(int ruleCount);
-    void handleIPFilterError();
-    void configureSession();
-
-signals:
-    void addedTorrent(const QTorrentHandle& h);
-    void torrentAboutToBeRemoved(const QTorrentHandle &h);
-    void pausedTorrent(const QTorrentHandle& h);
-    void resumedTorrent(const QTorrentHandle& h);
-    void finishedTorrent(const QTorrentHandle& h);
-    void fullDiskError(const QTorrentHandle& h, QString msg);
-    void trackerSuccess(const QString &hash, const QString &tracker);
-    void trackerError(const QString &hash, const QString &tracker);
-    void trackerWarning(const QString &hash, const QString &tracker);
-    void trackerAuthenticationRequired(const QTorrentHandle& h);
-    void newDownloadedTorrent(QString path, QString url);
-    void newDownloadedTorrentFromRss(QString url);
-    void newMagnetLink(const QString& link);
-    void updateFileSize(const QString &hash);
-    void downloadFromUrlFailure(QString url, QString reason);
-    void torrentFinishedChecking(const QTorrentHandle& h);
-    void metadataReceived(const QTorrentHandle &h);
-    void savePathChanged(const QTorrentHandle &h);
-    void alternativeSpeedsModeChanged(bool alternative);
-    void recursiveTorrentDownloadPossible(const QTorrentHandle &h);
-    void ipFilterParsed(bool error, int ruleCount);
-    void metadataReceivedHidden(const QTorrentHandle &h);
-    void stateUpdate(const std::vector<libtorrent::torrent_status> &statuses);
-    void statsReceived(const libtorrent::stats_alert&);
-    void trackersAdded(const QStringList &trackers, const QString &hash);
-    void trackerlessChange(bool trackerless, const QString &hash);
-    void reloadTrackersAndUrlSeeds(const QTorrentHandle &h);
-
-private:
-    // Bittorrent
-    libtorrent::session *s;
-    QPointer<BandwidthScheduler> bd_scheduler;
-    QMap<QUrl, QPair<QString, QString> > savepathLabel_fromurl; // Use QMap for compatibility with Qt < 4.7: qHash(QUrl)
-#ifndef DISABLE_GUI
-    QMap<QUrl, RssDownloadRule::AddPausedState> addpaused_fromurl;
-#endif
-    QHash<QString, QHash<QString, TrackerInfos> > trackersInfos;
-    QHash<QString, QString> savePathsToRemove;
-    QStringList torrentsToPausedAfterChecking;
-    QTimer resumeDataTimer;
-    // Ratio
-    QPointer<QTimer> BigRatioTimer;
-    // HTTP
-    DownloadThread* downloader;
-    // File System
-    ScanFoldersModel *m_scanFolders;
-    // Settings
-    bool preAllocateAll;
-    qreal global_ratio_limit;
-    int high_ratio_action;
-    bool LSDEnabled;
-    bool DHTEnabled;
-    bool PeXEnabled;
-    bool queueingEnabled;
-    bool appendLabelToSavePath;
-    bool m_torrentExportEnabled;
-    bool m_finishedTorrentExportEnabled;
-    bool appendqBExtension;
-    QString defaultSavePath;
-    QString defaultTempPath;
-    // IP filtering
-    QPointer<FilterParserThread> filterParser;
-    QString filterPath;
-    QList<QUrl> url_skippingDlg;
-    // GeoIP
-#ifndef DISABLE_GUI
-    bool geoipDBLoaded;
-    bool resolve_countries;
-#endif
-    // Tracker
-    QPointer<QTracker> m_tracker;
-    TorrentSpeedMonitor *m_speedMonitor;
-    shutDownAction m_shutdownAct;
-    // Port forwarding
-#if LIBTORRENT_VERSION_NUM < 10000
-    libtorrent::upnp *m_upnp;
-    libtorrent::natpmp *m_natpmp;
-#endif
-    QAlertDispatcher* m_alertDispatcher;
-    TorrentStatistics* m_torrentStatistics;
-};
-
-#endif

src/core/qtlibtorrent/qtlibtorrent.pri

@@ -1,17 +0,0 @@
-INCLUDEPATH += $$PWD
-
-HEADERS += $$PWD/qbtsession.h \
-           $$PWD/qtorrenthandle.h \
-           $$PWD/bandwidthscheduler.h \
-           $$PWD/trackerinfos.h \
-           $$PWD/torrentspeedmonitor.h \
-           $$PWD/filterparserthread.h \
-           $$PWD/alertdispatcher.h \
-           $$PWD/torrentstatistics.h
-
-SOURCES += $$PWD/qbtsession.cpp \
-           $$PWD/qtorrenthandle.cpp \
-           $$PWD/torrentspeedmonitor.cpp \
-           $$PWD/alertdispatcher.cpp \
-           $$PWD/torrentstatistics.cpp \
-           $$PWD/filterparserthread.cpp

src/core/qtlibtorrent/qtorrenthandle.cpp

@@ -1,856 +0,0 @@
-/*
- * Bittorrent Client using Qt4 and libtorrent.
- * Copyright (C) 2006  Christophe Dumez
- *
- * 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.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- *
- * Contact : chris@qbittorrent.org
- */
-
-#include <QDebug>
-#include <QString>
-#include <QStringList>
-#include <QFile>
-#include <QDir>
-#include <QByteArray>
-#include <math.h>
-#include "core/fs_utils.h"
-#include "core/misc.h"
-#include "core/preferences.h"
-#include "qtorrenthandle.h"
-#include "core/torrentpersistentdata.h"
-#include "qbtsession.h"
-#include <libtorrent/version.hpp>
-#include <libtorrent/magnet_uri.hpp>
-#include <libtorrent/torrent_info.hpp>
-#include <libtorrent/bencode.hpp>
-#include <libtorrent/entry.hpp>
-
-#ifdef Q_OS_WIN
-#include <Windows.h>
-#endif
-
-using namespace libtorrent;
-using namespace std;
-
-static QPair<int, int> get_file_extremity_pieces(const torrent_info& t, int file_index)
-{
-    const int num_pieces = t.num_pieces();
-    const int piece_size = t.piece_length();
-    const file_entry& file = t.file_at(file_index);
-
-    // Determine the first and last piece of the file
-    int first_piece = floor((file.offset + 1) / (float) piece_size);
-    Q_ASSERT(first_piece >= 0 && first_piece < num_pieces);
-
-    int num_pieces_in_file = ceil(file.size / (float) piece_size);
-    int last_piece = first_piece + num_pieces_in_file - 1;
-    Q_ASSERT(last_piece >= 0 && last_piece < num_pieces);
-
-    return qMakePair(first_piece, last_piece);
-}
-
-QTorrentHandle::QTorrentHandle(const torrent_handle& h): torrent_handle(h)
-{
-}
-
-//
-// Getters
-//
-
-QString QTorrentHandle::hash() const
-{
-    return misc::toQString(torrent_handle::info_hash());
-}
-
-QString QTorrentHandle::name() const
-{
-    QString name = TorrentPersistentData::instance()->getName(hash());
-    if (name.isEmpty()) {
-#if LIBTORRENT_VERSION_NUM < 10000
-        name = misc::toQStringU(torrent_handle::name());
-#else
-        name = misc::toQStringU(status(query_name).name);
-#endif
-    }
-    return name;
-}
-
-QString QTorrentHandle::creation_date() const
-{
-#if LIBTORRENT_VERSION_NUM < 10000
-    boost::optional<time_t> t = torrent_handle::get_torrent_info().creation_date();
-#else
-    boost::optional<time_t> t = torrent_handle::torrent_file()->creation_date();
-#endif
-    return t ? misc::toQString(*t) : "";
-}
-
-qlonglong QTorrentHandle::creation_date_unix() const
-{
-#if LIBTORRENT_VERSION_NUM < 10000
-    boost::optional<time_t> t = torrent_handle::get_torrent_info().creation_date();
-#else
-    boost::optional<time_t> t = torrent_handle::torrent_file()->creation_date();
-#endif
-    return t ? *t : -1;
-}
-
-QString QTorrentHandle::current_tracker() const
-{
-    return misc::toQString(status(0x0).current_tracker);
-}
-
-bool QTorrentHandle::is_paused() const
-{
-    return is_paused(status(0x0));
-}
-
-bool QTorrentHandle::is_queued() const
-{
-    return is_queued(status(0x0));
-}
-
-size_type QTorrentHandle::total_size() const
-{
-#if LIBTORRENT_VERSION_NUM < 10000
-    return torrent_handle::get_torrent_info().total_size();
-#else
-    return torrent_handle::torrent_file()->total_size();
-#endif
-}
-
-size_type QTorrentHandle::piece_length() const
-{
-#if LIBTORRENT_VERSION_NUM < 10000
-    return torrent_handle::get_torrent_info().piece_length();
-#else
-    return torrent_handle::torrent_file()->piece_length();
-#endif
-}
-
-int QTorrentHandle::num_pieces() const
-{
-#if LIBTORRENT_VERSION_NUM < 10000
-    return torrent_handle::get_torrent_info().num_pieces();
-#else
-    return torrent_handle::torrent_file()->num_pieces();
-#endif
-}
-
-bool QTorrentHandle::first_last_piece_first() const
-{
-#if LIBTORRENT_VERSION_NUM < 10000
-    torrent_info const* t = &get_torrent_info();
-#else
-    boost::intrusive_ptr<torrent_info const> t = torrent_file();
-#endif
-
-    // Get int first media file
-    int index = 0;
-    for (index = 0; index < t->num_files(); ++index) {
-        QString path = misc::toQStringU(t->file_at(index).path);
-        const QString ext = fsutils::fileExtension(path);
-        if (misc::isPreviewable(ext) && torrent_handle::file_priority(index) > 0)
-            break;
-    }
-
-    if (index >= t->num_files()) // No media file
-        return false;
-
-    QPair<int, int> extremities = get_file_extremity_pieces(*t, index);
-
-    return (torrent_handle::piece_priority(extremities.first) == 7)
-            && (torrent_handle::piece_priority(extremities.second) == 7);
-}
-
-QString QTorrentHandle::save_path() const
-{
-#if LIBTORRENT_VERSION_NUM < 10000
-    return fsutils::fromNativePath(misc::toQStringU(torrent_handle::save_path()));
-#else
-    return fsutils::fromNativePath(misc::toQStringU(status(torrent_handle::query_save_path).save_path));
-#endif
-}
-
-QString QTorrentHandle::save_path_parsed() const
-{
-    QString p;
-    if (has_metadata() && num_files() == 1) {
-        p = firstFileSavePath();
-    }
-    else {
-        p = fsutils::fromNativePath(TorrentPersistentData::instance()->getSavePath(hash()));
-        if (p.isEmpty())
-            p = save_path();
-    }
-    return p;
-}
-
-QStringList QTorrentHandle::url_seeds() const
-{
-    QStringList res;
-    try {
-        const std::set<std::string> existing_seeds = torrent_handle::url_seeds();
-
-        std::set<std::string>::const_iterator it = existing_seeds.begin();
-        std::set<std::string>::const_iterator itend = existing_seeds.end();
-        for (; it != itend; ++it) {
-            qDebug("URL Seed: %s", it->c_str());
-            res << misc::toQString(*it);
-        }
-    } catch(std::exception &e) {
-        std::cout << "ERROR: Failed to convert the URL seed" << std::endl;
-    }
-    return res;
-}
-
-// get the size of the torrent without the filtered files
-size_type QTorrentHandle::actual_size() const
-{
-    return status(query_accurate_download_counters).total_wanted;
-}
-
-bool QTorrentHandle::has_filtered_pieces() const
-{
-    const std::vector<int> piece_priorities = torrent_handle::piece_priorities();
-    foreach (const int priority, piece_priorities)
-        if (priority == 0)
-            return true;
-    return false;
-}
-
-int QTorrentHandle::num_files() const
-{
-    if (!has_metadata())
-        return -1;
-#if LIBTORRENT_VERSION_NUM < 10000
-    return torrent_handle::get_torrent_info().num_files();
-#else
-    return torrent_handle::torrent_file()->num_files();
-#endif
-}
-
-QString QTorrentHandle::filename_at(unsigned int index) const
-{
-#if LIBTORRENT_VERSION_NUM < 10000
-    Q_ASSERT(index < (unsigned int)torrent_handle::get_torrent_info().num_files());
-#else
-    Q_ASSERT(index < (unsigned int)torrent_handle::torrent_file()->num_files());
-#endif
-    return fsutils::fileName(filepath_at(index));
-}
-
-size_type QTorrentHandle::filesize_at(unsigned int index) const
-{
-#if LIBTORRENT_VERSION_NUM < 10000
-    Q_ASSERT(index < (unsigned int)torrent_handle::get_torrent_info().num_files());
-    return torrent_handle::get_torrent_info().files().file_size(index);
-#else
-    Q_ASSERT(index < (unsigned int)torrent_handle::torrent_file()->num_files());
-    return torrent_handle::torrent_file()->files().file_size(index);
-#endif
-}
-
-QString QTorrentHandle::filepath_at(unsigned int index) const
-{
-#if LIBTORRENT_VERSION_NUM < 10000
-    return filepath_at(torrent_handle::get_torrent_info(), index);
-#else
-    return filepath_at(*torrent_handle::torrent_file(), index);
-#endif
-}
-
-QString QTorrentHandle::orig_filepath_at(unsigned int index) const
-{
-#if LIBTORRENT_VERSION_NUM < 10000
-    return fsutils::fromNativePath(misc::toQStringU(torrent_handle::get_torrent_info().orig_files().file_path(index)));
-#else
-    return fsutils::fromNativePath(misc::toQStringU(torrent_handle::torrent_file()->orig_files().file_path(index)));
-#endif
-
-}
-
-torrent_status::state_t QTorrentHandle::state() const
-{
-    return status(0x0).state;
-}
-
-QString QTorrentHandle::creator() const
-{
-#if LIBTORRENT_VERSION_NUM < 10000
-    return misc::toQStringU(torrent_handle::get_torrent_info().creator());
-#else
-    return misc::toQStringU(torrent_handle::torrent_file()->creator());
-#endif
-}
-
-QString QTorrentHandle::comment() const
-{
-#if LIBTORRENT_VERSION_NUM < 10000
-    return misc::toQStringU(torrent_handle::get_torrent_info().comment());
-#else
-    return misc::toQStringU(torrent_handle::torrent_file()->comment());
-#endif
-}
-
-bool QTorrentHandle::is_checking() const
-{
-    return is_checking(status(0x0));
-}
-
-// Return a list of absolute paths corresponding
-// to all files in a torrent
-QStringList QTorrentHandle::absolute_files_path() const
-{
-    QDir saveDir(save_path());
-    QStringList res;
-    for (int i = 0; i<num_files(); ++i)
-        res << fsutils::expandPathAbs(saveDir.absoluteFilePath(filepath_at(i)));
-    return res;
-}
-
-QStringList QTorrentHandle::absolute_files_path_uneeded() const
-{
-    QDir saveDir(save_path());
-    QStringList res;
-    std::vector<int> fp = torrent_handle::file_priorities();
-    for (uint i = 0; i < fp.size(); ++i) {
-        if (fp[i] == 0) {
-            const QString file_path = fsutils::expandPathAbs(saveDir.absoluteFilePath(filepath_at(i)));
-            if (file_path.contains(".unwanted"))
-                res << file_path;
-        }
-    }
-    return res;
-}
-
-bool QTorrentHandle::has_missing_files() const
-{
-    const QStringList paths = absolute_files_path();
-    foreach (const QString &path, paths)
-        if (!QFile::exists(path)) return true;
-    return false;
-}
-
-int QTorrentHandle::queue_position() const
-{
-    return queue_position(status(0x0));
-}
-
-bool QTorrentHandle::is_seed() const
-{
-    // Affected by bug http://code.rasterbar.com/libtorrent/ticket/402
-    //return torrent_handle::is_seed();
-    // May suffer from approximation problems
-    //return (progress() == 1.);
-    // This looks safe
-    return is_seed(status(0x0));
-}
-
-bool QTorrentHandle::is_sequential_download() const
-{
-    return status(0x0).sequential_download;
-}
-
-bool QTorrentHandle::priv() const
-{
-    if (!has_metadata())
-        return false;
-#if LIBTORRENT_VERSION_NUM < 10000
-    return torrent_handle::get_torrent_info().priv();
-#else
-    return torrent_handle::torrent_file()->priv();
-#endif
-}
-
-QString QTorrentHandle::firstFileSavePath() const
-{
-    Q_ASSERT(has_metadata());
-    QString fsave_path = fsutils::fromNativePath(TorrentPersistentData::instance()->getSavePath(hash()));
-    if (fsave_path.isEmpty())
-        fsave_path = save_path();
-    if (!fsave_path.endsWith("/"))
-        fsave_path += "/";
-    fsave_path += filepath_at(0);
-    // Remove .!qB extension
-    if (fsave_path.endsWith(".!qB", Qt::CaseInsensitive))
-        fsave_path.chop(4);
-    return fsave_path;
-}
-
-QString QTorrentHandle::root_path() const
-{
-    if (num_files() < 2)
-        return save_path();
-    QString first_filepath = filepath_at(0);
-    const int slashIndex = first_filepath.indexOf("/");
-    if (slashIndex >= 0)
-        return QDir(save_path()).absoluteFilePath(first_filepath.left(slashIndex));
-    return save_path();
-}
-
-bool QTorrentHandle::has_error() const
-{
-    return has_error(status(0x0));
-}
-
-QString QTorrentHandle::error() const
-{
-    return misc::toQString(status(0x0).error);
-}
-
-void QTorrentHandle::downloading_pieces(bitfield &bf) const
-{
-    std::vector<partial_piece_info> queue;
-    torrent_handle::get_download_queue(queue);
-
-    std::vector<partial_piece_info>::const_iterator it = queue.begin();
-    std::vector<partial_piece_info>::const_iterator itend = queue.end();
-    for (; it!= itend; ++it)
-        bf.set_bit(it->piece_index);
-    return;
-}
-
-bool QTorrentHandle::has_metadata() const
-{
-    return status(0x0).has_metadata;
-}
-
-void QTorrentHandle::file_progress(std::vector<size_type>& fp) const
-{
-    torrent_handle::file_progress(fp, torrent_handle::piece_granularity);
-}
-
-QTorrentState QTorrentHandle::torrentState() const
-{
-    QTorrentState state = QTorrentState::Unknown;
-    libtorrent::torrent_status s = status(torrent_handle::query_accurate_download_counters);
-
-    if (is_paused(s)) {
-        if (has_error(s))
-            state = QTorrentState::Error;
-        else
-            state = is_seed(s) ? QTorrentState::PausedUploading : QTorrentState::PausedDownloading;
-    }
-    else {
-        if (QBtSession::instance()->isQueueingEnabled() && is_queued(s)) {
-            state = is_seed(s) ? QTorrentState::QueuedUploading : QTorrentState::QueuedDownloading;
-        }
-        else {
-            switch (s.state) {
-            case torrent_status::finished:
-            case torrent_status::seeding:
-                state = s.upload_payload_rate > 0 ? QTorrentState::Uploading : QTorrentState::StalledUploading;
-                break;
-            case torrent_status::allocating:
-            case torrent_status::checking_files:
-            case torrent_status::queued_for_checking:
-            case torrent_status::checking_resume_data:
-                state = is_seed(s) ? QTorrentState::CheckingUploading : QTorrentState::CheckingDownloading;
-                break;
-            case torrent_status::downloading:
-            case torrent_status::downloading_metadata:
-                state = s.download_payload_rate > 0 ? QTorrentState::Downloading : QTorrentState::StalledDownloading;
-                break;
-            default:
-                qWarning("Unrecognized torrent status, should not happen!!! status was %d", this->state());
-            }
-        }
-    }
-
-    return state;
-}
-
-qulonglong QTorrentHandle::eta() const
-{
-    libtorrent::torrent_status s = status(torrent_handle::query_accurate_download_counters);
-    return QBtSession::instance()->getETA(hash(), s);
-}
-
-void QTorrentHandle::toggleSequentialDownload()
-{
-    if (is_valid() && has_metadata()) {
-        bool was_sequential = is_sequential_download();
-        set_sequential_download(!was_sequential);
-        if (!was_sequential)
-            prioritize_first_last_piece(true);
-    }
-}
-
-void QTorrentHandle::toggleFirstLastPiecePrio()
-{
-    if (is_valid() && has_metadata())
-        prioritize_first_last_piece(!first_last_piece_first());
-}
-
-bool QTorrentHandle::is_forced() const
-{
-   return is_forced(status(0x0));
-}
-
-//
-// Setters
-//
-
-void QTorrentHandle::pause() const
-{
-    torrent_handle::auto_managed(false);
-    torrent_handle::pause();
-    if (!TorrentPersistentData::instance()->getHasMissingFiles(this->hash()))
-        torrent_handle::save_resume_data();
-}
-
-void QTorrentHandle::resume(const bool force) const
-{
-    if (has_error())
-        torrent_handle::clear_error();
-    torrent_handle::set_upload_mode(false);
-
-    const QString torrent_hash = hash();
-    TorrentPersistentData* const TorPersistent = TorrentPersistentData::instance();
-    bool has_persistant_error = TorPersistent->hasError(torrent_hash);
-    TorPersistent->setErrorState(torrent_hash, false);
-    bool temp_path_enabled = Preferences::instance()->isTempPathEnabled();
-    if (has_persistant_error && temp_path_enabled) {
-        // Torrent was supposed to be seeding, checking again in final destination
-        qDebug("Resuming a torrent with error...");
-        const QString final_save_path = TorPersistent->getSavePath(torrent_hash);
-        qDebug("Torrent final path is: %s", qPrintable(final_save_path));
-        if (!final_save_path.isEmpty())
-            move_storage(final_save_path);
-    }
-    torrent_handle::auto_managed(!force);
-    torrent_handle::resume();
-    if (has_persistant_error && temp_path_enabled)
-        // Force recheck
-        torrent_handle::force_recheck();
-}
-
-void QTorrentHandle::remove_url_seed(const QString& seed) const
-{
-    torrent_handle::remove_url_seed(seed.toStdString());
-}
-
-void QTorrentHandle::add_url_seed(const QString& seed) const
-{
-    const std::string str_seed = seed.toStdString();
-    qDebug("calling torrent_handle::add_url_seed(%s)", str_seed.c_str());
-    torrent_handle::add_url_seed(str_seed);
-}
-
-void QTorrentHandle::set_tracker_login(const QString& username, const QString& password) const
-{
-    torrent_handle::set_tracker_login(std::string(username.toLocal8Bit().constData()), std::string(password.toLocal8Bit().constData()));
-}
-
-void QTorrentHandle::move_storage(const QString& new_path) const
-{
-    QString hashstr = hash();
-
-    if (TorrentTempData::isMoveInProgress(hashstr)) {
-        qDebug("enqueue move storage to %s", qPrintable(new_path));
-        TorrentTempData::enqueueMove(hashstr, new_path);
-    }
-    else {
-        QString old_path = save_path();
-
-        qDebug("move storage: %s to %s", qPrintable(old_path), qPrintable(new_path));
-
-        if (QDir(old_path) == QDir(new_path))
-            return;
-
-        TorrentTempData::startMove(hashstr, old_path, new_path);
-
-        // Create destination directory if necessary
-        // or move_storage() will fail...
-        QDir().mkpath(new_path);
-        // Actually move the storage
-        torrent_handle::move_storage(fsutils::toNativePath(new_path).toUtf8().constData());
-    }
-}
-
-bool QTorrentHandle::save_torrent_file(const QString& path) const
-{
-    if (!has_metadata()) return false;
-
-#if LIBTORRENT_VERSION_NUM < 10000
-    torrent_info const* t = &get_torrent_info();
-#else
-    boost::intrusive_ptr<torrent_info const> t = torrent_file();
-#endif
-
-    entry meta = bdecode(t->metadata().get(),
-                         t->metadata().get() + t->metadata_size());
-    entry torrent_entry(entry::dictionary_t);
-    torrent_entry["info"] = meta;
-    if (!torrent_handle::trackers().empty())
-        torrent_entry["announce"] = torrent_handle::trackers().front().url;
-
-    vector<char> out;
-    bencode(back_inserter(out), torrent_entry);
-    QFile torrent_file(path);
-    if (!out.empty() && torrent_file.open(QIODevice::WriteOnly)) {
-        torrent_file.write(&out[0], out.size());
-        torrent_file.close();
-        return true;
-    }
-
-    return false;
-}
-
-void QTorrentHandle::file_priority(int index, int priority) const
-{
-    vector<int> priorities = torrent_handle::file_priorities();
-    if (priorities[index] != priority) {
-        priorities[index] = priority;
-        prioritize_files(priorities);
-    }
-}
-
-void QTorrentHandle::prioritize_files(const vector<int> &files) const
-{
-#if LIBTORRENT_VERSION_NUM < 10000
-    torrent_info const& info = torrent_handle::get_torrent_info();
-#else
-    boost::intrusive_ptr<torrent_info const> info_ptr = torrent_handle::torrent_file();
-    torrent_info const& info = *info_ptr;
-#endif
-    if ((int)files.size() != info.num_files()) return;
-    qDebug() << Q_FUNC_INFO;
-    bool was_seed = is_seed();
-    qDebug() << Q_FUNC_INFO << "Changing files priorities...";
-    torrent_handle::prioritize_files(files);
-    qDebug() << Q_FUNC_INFO << "Moving unwanted files to .unwanted folder and conversely...";
-
-    QString spath = save_path();
-
-    for (uint i = 0; i < files.size(); ++i) {
-        QString filepath = filepath_at(info, i);
-        // Move unwanted files to a .unwanted subfolder
-        if (files[i] == 0) {
-            QString old_abspath = QDir(spath).absoluteFilePath(filepath);
-            QString parent_abspath = fsutils::branchPath(old_abspath);
-            // Make sure the file does not already exists
-            if (QDir(parent_abspath).dirName() != ".unwanted") {
-                QString unwanted_abspath = parent_abspath + "/.unwanted";
-                QString new_abspath = unwanted_abspath + "/" + fsutils::fileName(filepath);
-                qDebug() << "Unwanted path is" << unwanted_abspath;
-                if (QFile::exists(new_abspath)) {
-                    qWarning() << "File" << new_abspath << "already exists at destination.";
-                    continue;
-                }
-                bool created = QDir().mkpath(unwanted_abspath);
-#ifdef Q_OS_WIN
-                qDebug() << "unwanted folder was created:" << created;
-                if (created) {
-                    // Hide the folder on Windows
-                    qDebug() << "Hiding folder (Windows)";
-                    wstring win_path =  fsutils::toNativePath(unwanted_abspath).toStdWString();
-                    DWORD dwAttrs = GetFileAttributesW(win_path.c_str());
-                    bool ret = SetFileAttributesW(win_path.c_str(), dwAttrs | FILE_ATTRIBUTE_HIDDEN);
-                    Q_ASSERT(ret != 0); Q_UNUSED(ret);
-                }
-#else
-                Q_UNUSED(created);
-#endif
-                QString parent_path = fsutils::branchPath(filepath);
-                if (!parent_path.isEmpty() && !parent_path.endsWith("/"))
-                    parent_path += "/";
-                rename_file(i, parent_path + ".unwanted/" + fsutils::fileName(filepath));
-            }
-        }
-        // Move wanted files back to their original folder
-        if (files[i] > 0) {
-            QString parent_relpath = fsutils::branchPath(filepath);
-            if (QDir(parent_relpath).dirName() == ".unwanted") {
-                QString old_name = fsutils::fileName(filepath);
-                QString new_relpath = fsutils::branchPath(parent_relpath);
-                if (new_relpath.isEmpty())
-                    rename_file(i, old_name);
-                else
-                    rename_file(i, QDir(new_relpath).filePath(old_name));
-                // Remove .unwanted directory if empty
-                qDebug() << "Attempting to remove .unwanted folder at " << QDir(spath + "/" + new_relpath).absoluteFilePath(".unwanted");
-                QDir(spath + "/" + new_relpath).rmdir(".unwanted");
-            }
-        }
-    }
-
-    if (was_seed && !is_seed()) {
-        qDebug() << "Torrent is no longer SEEDING";
-        // Save seed status
-        TorrentPersistentData::instance()->saveSeedStatus(*this);
-        // Move to temp folder if necessary
-        const Preferences* const pref = Preferences::instance();
-        if (pref->isTempPathEnabled()) {
-            QString tmp_path = pref->getTempPath();
-            qDebug() << "tmp folder is enabled, move torrent to " << tmp_path << " from " << spath;
-            move_storage(tmp_path);
-        }
-    }
-}
-
-void QTorrentHandle::prioritize_first_last_piece(int file_index, bool b) const
-{
-    // Determine the priority to set
-    int prio = b ? 7 : torrent_handle::file_priority(file_index);
-
-#if LIBTORRENT_VERSION_NUM < 10000
-    torrent_info const* tf = &get_torrent_info();
-#else
-    boost::intrusive_ptr<torrent_info const> tf = torrent_file();
-#endif
-
-    QPair<int, int> extremities = get_file_extremity_pieces(*tf, file_index);
-    piece_priority(extremities.first, prio);
-    piece_priority(extremities.second, prio);
-}
-
-void QTorrentHandle::prioritize_first_last_piece(bool b) const
-{
-    if (!has_metadata()) return;
-    // Download first and last pieces first for all media files in the torrent
-    const uint nbfiles = num_files();
-    for (uint index = 0; index < nbfiles; ++index) {
-        const QString path = filepath_at(index);
-        const QString ext = fsutils::fileExtension(path);
-        if (misc::isPreviewable(ext) && torrent_handle::file_priority(index) > 0) {
-            qDebug() << "File" << path << "is previewable, toggle downloading of first/last pieces first";
-            prioritize_first_last_piece(index, b);
-        }
-    }
-}
-
-void QTorrentHandle::rename_file(int index, const QString& name) const
-{
-    qDebug() << Q_FUNC_INFO << index << name;
-    torrent_handle::rename_file(index, std::string(fsutils::toNativePath(name).toUtf8().constData()));
-}
-
-//
-// Operators
-//
-
-bool QTorrentHandle::operator ==(const QTorrentHandle& new_h) const
-{
-    return info_hash() == new_h.info_hash();
-}
-
-bool QTorrentHandle::is_paused(const libtorrent::torrent_status &status)
-{
-    return status.paused && !status.auto_managed;
-}
-
-int QTorrentHandle::queue_position(const libtorrent::torrent_status &status)
-{
-    if (status.queue_position < 0)
-        return -1;
-    return status.queue_position + 1;
-}
-
-bool QTorrentHandle::is_queued(const libtorrent::torrent_status &status)
-{
-    return status.paused && status.auto_managed;
-}
-
-bool QTorrentHandle::is_seed(const libtorrent::torrent_status &status)
-{
-    return status.state == torrent_status::finished
-            || status.state == torrent_status::seeding;
-}
-
-bool QTorrentHandle::is_checking(const libtorrent::torrent_status &status)
-{
-    return status.state == torrent_status::checking_files
-            || status.state == torrent_status::checking_resume_data;
-}
-
-bool QTorrentHandle::has_error(const libtorrent::torrent_status &status)
-{
-    return status.paused && !status.error.empty();
-}
-
-float QTorrentHandle::progress(const libtorrent::torrent_status &status)
-{
-    if (!status.total_wanted)
-        return 0.;
-    if (status.total_wanted_done == status.total_wanted)
-        return 1.;
-    float progress = (float) status.total_wanted_done / (float) status.total_wanted;
-    Q_ASSERT(progress >= 0.f && progress <= 1.f);
-    return progress;
-}
-
-QString QTorrentHandle::filepath_at(const libtorrent::torrent_info &info, unsigned int index)
-{
-    return fsutils::fromNativePath(misc::toQStringU(info.files().file_path(index)));
-
-}
-
-bool QTorrentHandle::is_forced(const libtorrent::torrent_status &status)
-{
-    return !status.paused && !status.auto_managed;
-}
-
-
-QTorrentState::QTorrentState(int value)
-    : m_value(value)
-{
-}
-
-QString QTorrentState::toString() const
-{
-    switch (m_value) {
-    case Error:
-        return "error";
-    case Uploading:
-        return "uploading";
-    case PausedUploading:
-        return "pausedUP";
-    case QueuedUploading:
-        return "queuedUP";
-    case StalledUploading:
-        return "stalledUP";
-    case CheckingUploading:
-        return "checkingUP";
-    case Downloading:
-        return "downloading";
-    case PausedDownloading:
-        return "pausedDL";
-    case QueuedDownloading:
-        return "queuedDL";
-    case StalledDownloading:
-        return "stalledDL";
-    case CheckingDownloading:
-        return "checkingDL";
-    default:
-        return "unknown";
-    }
-}
-
-QTorrentState::operator int() const
-{
-    return m_value;
-}

src/core/qtlibtorrent/qtorrenthandle.h

@@ -1,170 +0,0 @@
-/*
- * Bittorrent Client using Qt4 and libtorrent.
- * Copyright (C) 2006  Christophe Dumez
- *
- * 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.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- *
- * Contact : chris@qbittorrent.org
- */
-
-#ifndef QTORRENTHANDLE_H
-#define QTORRENTHANDLE_H
-
-#include <libtorrent/torrent_handle.hpp>
-
-#include <QString>
-
-QT_BEGIN_NAMESPACE
-class QStringList;
-QT_END_NAMESPACE
-
-class QTorrentState
-{
-public:
-    enum
-    {
-        Unknown = -1,
-
-        Error,
-
-        Uploading,
-        PausedUploading,
-        QueuedUploading,
-        StalledUploading,
-        CheckingUploading,
-
-        Downloading,
-        PausedDownloading,
-        QueuedDownloading,
-        StalledDownloading,
-        CheckingDownloading
-    };
-
-    QTorrentState(int value);
-
-    operator int() const;
-    QString toString() const;
-
-private:
-    int m_value;
-};
-
-// A wrapper for torrent_handle in libtorrent
-// to interact well with Qt types
-class QTorrentHandle: public libtorrent::torrent_handle
-{
-
-public:
-
-    //
-    // Constructors
-    //
-
-    QTorrentHandle() {}
-    explicit QTorrentHandle(const libtorrent::torrent_handle& h);
-
-    //
-    // Getters
-    //
-    QString hash() const;
-    QString name() const;
-    QString current_tracker() const;
-    bool is_paused() const;
-    bool has_filtered_pieces() const;
-    libtorrent::size_type total_size() const;
-    libtorrent::size_type piece_length() const;
-    int num_pieces() const;
-    QString save_path() const;
-    QString save_path_parsed() const;
-    QStringList url_seeds() const;
-    libtorrent::size_type actual_size() const;
-    int num_files() const;
-    int queue_position() const;
-    bool is_queued() const;
-    QString filename_at(unsigned int index) const;
-    libtorrent::size_type filesize_at(unsigned int index) const;
-    QString filepath_at(unsigned int index) const;
-    QString orig_filepath_at(unsigned int index) const;
-    libtorrent::torrent_status::state_t state() const;
-    QString creator() const;
-    QString comment() const;
-    QStringList absolute_files_path() const;
-    QStringList absolute_files_path_uneeded() const;
-    bool has_missing_files() const;
-    bool is_seed() const;
-    bool is_checking() const;
-    bool is_sequential_download() const;
-    QString creation_date() const;
-    qlonglong creation_date_unix() const;
-    bool priv() const;
-    bool first_last_piece_first() const;
-    QString root_path() const;
-    QString firstFileSavePath() const;
-    bool has_error() const;
-    QString error() const;
-    void downloading_pieces(libtorrent::bitfield& bf) const;
-    bool has_metadata() const;
-    void file_progress(std::vector<libtorrent::size_type>& fp) const;
-    QTorrentState torrentState() const;
-    qulonglong eta() const;
-    void toggleSequentialDownload();
-    void toggleFirstLastPiecePrio();
-    bool is_forced() const;
-
-    //
-    // Setters
-    //
-    void pause() const;
-    void resume(const bool force = false) const;
-    void remove_url_seed(const QString& seed) const;
-    void add_url_seed(const QString& seed) const;
-    void set_tracker_login(const QString& username, const QString& password) const;
-    void move_storage(const QString& path) const;
-    void prioritize_first_last_piece(bool b) const;
-    void rename_file(int index, const QString& name) const;
-    bool save_torrent_file(const QString& path) const;
-    void prioritize_files(const std::vector<int>& files) const;
-    void file_priority(int index, int priority) const;
-
-    //
-    // Operators
-    //
-    bool operator ==(const QTorrentHandle& new_h) const;
-
-    static bool is_paused(const libtorrent::torrent_status &status);
-    static int queue_position(const libtorrent::torrent_status &status);
-    static bool is_queued(const libtorrent::torrent_status &status);
-    static bool is_seed(const libtorrent::torrent_status &status);
-    static bool is_checking(const libtorrent::torrent_status &status);
-    static bool has_error(const libtorrent::torrent_status &status);
-    static float progress(const libtorrent::torrent_status &status);
-    static QString filepath_at(const libtorrent::torrent_info &info, unsigned int index);
-    static bool is_forced(const libtorrent::torrent_status &status);
-
-private:
-    void prioritize_first_last_piece(int file_index, bool b) const;
-
-};
-
-#endif

src/core/qtracker.h

@@ -1,98 +0,0 @@
-/*
- * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
- * Copyright (C) 2010  Christophe Dumez
- *
- * 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.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- *
- * Contact : chris@qbittorrent.org
- */
-
-#ifndef QTRACKER_H
-#define QTRACKER_H
-
-#include <libtorrent/entry.hpp>
-#include <QHash>
-#include "http/types.h"
-#include "http/responsebuilder.h"
-#include "http/irequesthandler.h"
-
-struct QPeer
-{
-    QString ip;
-    QString peer_id;
-    int port;
-
-    bool operator!=(const QPeer &other) const;
-    bool operator==(const QPeer &other) const;
-    QString qhash() const;
-    libtorrent::entry toEntry(bool no_peer_id) const;
-};
-
-struct TrackerAnnounceRequest
-{
-    QString info_hash;
-    QString event;
-    int numwant;
-    QPeer peer;
-    // Extensions
-    bool no_peer_id;
-};
-
-// static limits
-const int MAX_TORRENTS = 100;
-const int MAX_PEERS_PER_TORRENT = 1000;
-const int ANNOUNCE_INTERVAL = 1800; // 30min
-
-typedef QHash<QString, QPeer> PeerList;
-typedef QHash<QString, PeerList> TorrentList;
-
-namespace Http { class Server; }
-
-/* Basic Bittorrent tracker implementation in Qt */
-/* Following http://wiki.theory.org/BitTorrent_Tracker_Protocol */
-class QTracker : public Http::ResponseBuilder, public Http::IRequestHandler
-{
-    Q_OBJECT
-    Q_DISABLE_COPY(QTracker)
-
-public:
-    explicit QTracker(QObject *parent = 0);
-    ~QTracker();
-
-    bool start();
-    Http::Response processRequest(const Http::Request &request, const Http::Environment &env);
-
-private:
-    void respondToAnnounceRequest();
-    void replyWithPeerList(const TrackerAnnounceRequest &annonce_req);
-
-    Http::Server *m_server;
-    TorrentList m_torrents;
-
-    Http::Request m_request;
-    Http::Environment m_env;
-};
-
-#endif // QTRACKER_H

src/core/scanfoldersmodel.cpp

@@ -38,7 +38,8 @@
 #include "fs_utils.h"
 #include "preferences.h"
 #include "filesystemwatcher.h"
-#include "scannedfoldersmodel.h"
+#include "bittorrent/session.h"
+#include "scanfoldersmodel.h"
 
 namespace
 {
@@ -67,11 +68,26 @@ public:
 
 ScanFoldersModel *ScanFoldersModel::m_instance = 0;
 
-ScanFoldersModel *ScanFoldersModel::instance(QObject *parent)
+bool ScanFoldersModel::initInstance(QObject *parent)
 {
-    //Q_ASSERT(!parent != !m_instance);
-    if (!m_instance)
+    if (!m_instance) {
         m_instance = new ScanFoldersModel(parent);
+        return true;
+    }
+
+    return false;
+}
+
+void ScanFoldersModel::freeInstance()
+{
+    if (m_instance) {
+        delete m_instance;
+        m_instance = 0;
+    }
+}
+
+ScanFoldersModel *ScanFoldersModel::instance()
+{
     return m_instance;
 }
 
@@ -79,6 +95,8 @@ ScanFoldersModel::ScanFoldersModel(QObject *parent)
     : QAbstractTableModel(parent)
     , m_fsWatcher(0)
 {
+    configure();
+    connect(Preferences::instance(), SIGNAL(changed()), SLOT(configure()));
 }
 
 ScanFoldersModel::~ScanFoldersModel()
@@ -153,7 +171,7 @@ ScanFoldersModel::PathStatus ScanFoldersModel::addPath(const QString &path, bool
 
     if (!m_fsWatcher) {
         m_fsWatcher = new FileSystemWatcher(this);
-        connect(m_fsWatcher, SIGNAL(torrentsAdded(QStringList&)), this, SIGNAL(torrentsAdded(QStringList&)));
+        connect(m_fsWatcher, SIGNAL(torrentsAdded(const QStringList &)), this, SLOT(addTorrentsToSession(const QStringList  &)));
     }
 
     beginInsertRows(QModelIndex(), rowCount(), rowCount());
@@ -231,3 +249,47 @@ void ScanFoldersModel::makePersistent()
     pref->setScanDirs(paths);
     pref->setDownloadInScanDirs(downloadInFolderInfo);
 }
+
+void ScanFoldersModel::configure()
+{
+    Preferences *const pref = Preferences::instance();
+
+    int i = 0;
+    QList<bool> downloadInDirList = pref->getDownloadInScanDirs();
+    foreach (const QString &dir, pref->getScanDirs()) {
+        bool downloadInDir = downloadInDirList.value(i, false);
+        addPath(dir, downloadInDir);
+        ++i;
+    }
+}
+
+void ScanFoldersModel::addTorrentsToSession(const QStringList &pathList)
+{
+    foreach (const QString &file, pathList) {
+        qDebug("File %s added", qPrintable(file));
+        if (file.endsWith(".magnet")) {
+            QFile f(file);
+            if (f.open(QIODevice::ReadOnly)) {
+                BitTorrent::Session::instance()->addTorrent(QString::fromLocal8Bit(f.readAll()));
+                f.remove();
+            }
+            else {
+                qDebug("Failed to open magnet file: %s", qPrintable(f.errorString()));
+            }
+        }
+        else {
+            BitTorrent::AddTorrentParams params;
+            if (downloadInTorrentFolder(file))
+                params.savePath = QFileInfo(file).dir().path();
+
+            BitTorrent::TorrentInfo torrentInfo = BitTorrent::TorrentInfo::loadFromFile(file);
+            if (torrentInfo.isValid()) {
+                BitTorrent::Session::instance()->addTorrent(torrentInfo, params);
+                fsutils::forceRemove(file);
+            }
+            else {
+                qDebug("Ignoring incomplete torrent file: %s", qPrintable(file));
+            }
+        }
+    }
+}

src/core/scanfoldersmodel.h

@@ -28,8 +28,8 @@
  * Contact : chris@qbittorrent.org
  */
 
-#ifndef SCANNEDFOLDERSMODEL_H
-#define SCANNEDFOLDERSMODEL_H
+#ifndef SCANFOLDERSMODEL_H
+#define SCANFOLDERSMODEL_H
 
 #include <QAbstractTableModel>
 #include <QList>
@@ -55,14 +55,15 @@ public:
         AlreadyInList
     };
 
-    static ScanFoldersModel *instance(QObject *parent = 0);
-    virtual ~ScanFoldersModel();
+    static bool initInstance(QObject *parent = 0);
+    static void freeInstance();
+    static ScanFoldersModel *instance();
 
-    virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
-    virtual int columnCount(const QModelIndex &parent = QModelIndex()) const;
-    virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
-    virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
-    virtual Qt::ItemFlags flags(const QModelIndex &index) const;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
+    Qt::ItemFlags flags(const QModelIndex &index) const;
 
     // TODO: removePaths(); singular version becomes private helper functions;
     // also: remove functions should take modelindexes
@@ -74,12 +75,14 @@ public:
     bool downloadInTorrentFolder(const QString &filePath) const;
     void makePersistent();
 
-signals:
-    // The absolute paths of new torrent files in the scanned directories.
-    void torrentsAdded(QStringList &pathList);
+private slots:
+    void configure();
+    void addTorrentsToSession(const QStringList &pathList);
 
 private:
     explicit ScanFoldersModel(QObject *parent = 0);
+    ~ScanFoldersModel();
+
     virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
     static ScanFoldersModel *m_instance;
     class PathData;
@@ -89,4 +92,4 @@ private:
     FileSystemWatcher *m_fsWatcher;
 };
 
-#endif // SCANNEDFOLDERSMODEL_H
+#endif // SCANFOLDERSMODEL_H

src/core/torrentfilter.cpp

@@ -0,0 +1,159 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2014  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include "bittorrent/torrenthandle.h"
+#include "torrentfilter.h"
+
+const QString TorrentFilter::AnyLabel;
+const QStringSet TorrentFilter::AnyHash = (QStringSet() << QString());
+
+const TorrentFilter TorrentFilter::DownloadingTorrent(TorrentFilter::Downloading);
+const TorrentFilter TorrentFilter::SeedingTorrent(TorrentFilter::Seeding);
+const TorrentFilter TorrentFilter::CompletedTorrent(TorrentFilter::Completed);
+const TorrentFilter TorrentFilter::PausedTorrent(TorrentFilter::Paused);
+const TorrentFilter TorrentFilter::ResumedTorrent(TorrentFilter::Resumed);
+const TorrentFilter TorrentFilter::ActiveTorrent(TorrentFilter::Active);
+const TorrentFilter TorrentFilter::InactiveTorrent(TorrentFilter::Inactive);
+
+using BitTorrent::TorrentHandle;
+using BitTorrent::TorrentState;
+
+TorrentFilter::TorrentFilter()
+    : m_type(All)
+{
+}
+
+TorrentFilter::TorrentFilter(Type type, QStringSet hashSet, QString label)
+    : m_type(type)
+    , m_label(label)
+    , m_hashSet(hashSet)
+{
+}
+
+TorrentFilter::TorrentFilter(QString filter, QStringSet hashSet, QString label)
+    : m_type(All)
+    , m_label(label)
+    , m_hashSet(hashSet)
+{
+    setTypeByName(filter);
+}
+
+bool TorrentFilter::setType(Type type)
+{
+    if (m_type != type) {
+        m_type = type;
+        return true;
+    }
+
+    return false;
+}
+
+bool TorrentFilter::setTypeByName(const QString &filter)
+{
+    Type type = All;
+
+    if (filter == "downloading")
+        type = Downloading;
+    else if (filter == "seeding")
+        type = Seeding;
+    else if (filter == "completed")
+        type = Completed;
+    else if (filter == "paused")
+        type = Paused;
+    else if (filter == "resumed")
+        type = Resumed;
+    else if (filter == "active")
+        type = Active;
+    else if (filter == "inactive")
+        type = Inactive;
+
+    return setType(type);
+}
+
+bool TorrentFilter::setHashSet(const QStringSet &hashSet)
+{
+    if (m_hashSet != hashSet) {
+        m_hashSet = hashSet;
+        return true;
+    }
+
+    return false;
+}
+
+bool TorrentFilter::setLabel(const QString &label)
+{
+    if (m_label != label) {
+        m_label = label;
+        return true;
+    }
+
+    return false;
+}
+
+bool TorrentFilter::match(TorrentHandle *const torrent) const
+{
+    if (!torrent) return false;
+
+    return (matchState(torrent) && matchHash(torrent) && matchLabel(torrent));
+}
+
+bool TorrentFilter::matchState(BitTorrent::TorrentHandle *const torrent) const
+{
+    switch (m_type) {
+    case All:
+        return true;
+    case Downloading:
+        return torrent->isDownloading();
+    case Seeding:
+        return torrent->isUploading();
+    case Completed:
+        return torrent->isCompleted();
+    case Paused:
+        return torrent->isPaused();
+    case Resumed:
+        return torrent->isResumed();
+    case Active:
+        return torrent->isActive();
+    case Inactive:
+        return torrent->isInactive();
+    default: // All
+        return true;
+    }
+}
+
+bool TorrentFilter::matchHash(BitTorrent::TorrentHandle *const torrent) const
+{
+    if (m_hashSet == AnyHash) return true;
+    else return m_hashSet.contains(torrent->hash());
+}
+
+bool TorrentFilter::matchLabel(BitTorrent::TorrentHandle *const torrent) const
+{
+    if (m_label == AnyLabel) return true;
+    else return (torrent->label() == m_label);
+}

src/core/torrentfilter.h

@@ -0,0 +1,93 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2014  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef TORRENTFILTER_H
+#define TORRENTFILTER_H
+
+#include <QString>
+#include <QSet>
+
+typedef QSet<QString> QStringSet;
+
+namespace BitTorrent
+{
+
+class TorrentHandle;
+class TorrentState;
+
+}
+
+class TorrentFilter
+{
+public:
+    enum Type
+    {
+        All,
+        Downloading,
+        Seeding,
+        Completed,
+        Resumed,
+        Paused,
+        Active,
+        Inactive
+    };
+
+    static const QString AnyLabel;
+    static const QStringSet AnyHash;
+
+    static const TorrentFilter DownloadingTorrent;
+    static const TorrentFilter SeedingTorrent;
+    static const TorrentFilter CompletedTorrent;
+    static const TorrentFilter PausedTorrent;
+    static const TorrentFilter ResumedTorrent;
+    static const TorrentFilter ActiveTorrent;
+    static const TorrentFilter InactiveTorrent;
+
+    TorrentFilter();
+    // label: pass empty string for "no label" or null string (QString()) for "any label"
+    TorrentFilter(Type type, QStringSet hashSet = AnyHash, QString label = AnyLabel);
+    TorrentFilter(QString filter, QStringSet hashSet = AnyHash, QString label = AnyLabel);
+
+    bool setType(Type type);
+    bool setTypeByName(const QString &filter);
+    bool setHashSet(const QStringSet &hashSet);
+    bool setLabel(const QString &label);
+
+    bool match(BitTorrent::TorrentHandle *const torrent) const;
+
+private:
+    bool matchState(BitTorrent::TorrentHandle *const torrent) const;
+    bool matchHash(BitTorrent::TorrentHandle *const torrent) const;
+    bool matchLabel(BitTorrent::TorrentHandle *const torrent) const;
+
+    Type m_type;
+    QString m_label;
+    QStringSet m_hashSet;
+};
+
+#endif // TORRENTFILTER_H

src/core/torrentpersistentdata.cpp

@@ -1,527 +0,0 @@
-/*
- * Bittorrent Client using Qt4 and libtorrent.
- * Copyright (C) 2006  Christophe Dumez
- *
- * 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.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- *
- * Contact : chris@qbittorrent.org
- */
-
-#include "torrentpersistentdata.h"
-
-#include <QDateTime>
-#include <QDebug>
-#include <QVariant>
-
-#include "qinisettings.h"
-#include "misc.h"
-#include "qtorrenthandle.h"
-
-#include <libtorrent/magnet_uri.hpp>
-
-QHash<QString, TorrentTempData::TorrentData> TorrentTempData::data = QHash<QString, TorrentTempData::TorrentData>();
-QHash<QString, TorrentTempData::TorrentMoveState> TorrentTempData::torrentMoveStates = QHash<QString, TorrentTempData::TorrentMoveState>();
-QHash<QString, bool> HiddenData::data = QHash<QString, bool>();
-unsigned int HiddenData::metadata_counter = 0;
-TorrentPersistentData* TorrentPersistentData::m_instance = 0;
-
-TorrentTempData::TorrentData::TorrentData()
-    : sequential(false)
-    , seed(false)
-    , add_paused(Preferences::instance()->addTorrentsInPause())
-{
-}
-
-TorrentTempData::TorrentMoveState::TorrentMoveState(QString oldPath, QString newPath)
-    : oldPath(oldPath)
-    , newPath(newPath)
-{
-}
-
-bool TorrentTempData::hasTempData(const QString &hash)
-{
-    return data.contains(hash);
-}
-
-void TorrentTempData::deleteTempData(const QString &hash)
-{
-    data.remove(hash);
-}
-
-void TorrentTempData::setFilesPriority(const QString &hash,  const std::vector<int> &pp)
-{
-    data[hash].files_priority = pp;
-}
-
-void TorrentTempData::setFilesPath(const QString &hash, const QStringList &path_list)
-{
-    data[hash].path_list = path_list;
-}
-
-void TorrentTempData::setSavePath(const QString &hash, const QString &save_path)
-{
-    data[hash].save_path = save_path;
-}
-
-void TorrentTempData::setLabel(const QString &hash, const QString &label)
-{
-    data[hash].label = label;
-}
-
-void TorrentTempData::setSequential(const QString &hash, const bool &sequential)
-{
-    data[hash].sequential = sequential;
-}
-
-bool TorrentTempData::isSequential(const QString &hash)
-{
-    return data.value(hash).sequential;
-}
-
-void TorrentTempData::setSeedingMode(const QString &hash, const bool &seed)
-{
-    data[hash].seed = seed;
-}
-
-bool TorrentTempData::isSeedingMode(const QString &hash)
-{
-    return data.value(hash).seed;
-}
-
-QString TorrentTempData::getSavePath(const QString &hash)
-{
-    return data.value(hash).save_path;
-}
-
-QStringList TorrentTempData::getFilesPath(const QString &hash)
-{
-    return data.value(hash).path_list;
-}
-
-QString TorrentTempData::getLabel(const QString &hash)
-{
-    return data.value(hash).label;
-}
-
-void TorrentTempData::getFilesPriority(const QString &hash, std::vector<int> &fp)
-{
-    fp = data.value(hash).files_priority;
-}
-
-bool TorrentTempData::isMoveInProgress(const QString &hash)
-{
-    return torrentMoveStates.find(hash) != torrentMoveStates.end();
-}
-
-void TorrentTempData::enqueueMove(const QString &hash, const QString &queuedPath)
-{
-    QHash<QString, TorrentMoveState>::iterator i = torrentMoveStates.find(hash);
-    if (i == torrentMoveStates.end()) {
-        Q_ASSERT(false);
-        return;
-    }
-    i->queuedPath = queuedPath;
-}
-
-void TorrentTempData::startMove(const QString &hash, const QString &oldPath, const QString& newPath)
-{
-    QHash<QString, TorrentMoveState>::iterator i = torrentMoveStates.find(hash);
-    if (i != torrentMoveStates.end()) {
-        Q_ASSERT(false);
-        return;
-    }
-
-    torrentMoveStates.insert(hash, TorrentMoveState(oldPath, newPath));
-}
-
-void TorrentTempData::finishMove(const QString &hash)
-{
-    QHash<QString, TorrentMoveState>::iterator i = torrentMoveStates.find(hash);
-    if (i == torrentMoveStates.end()) {
-        Q_ASSERT(false);
-        return;
-    }
-    torrentMoveStates.erase(i);
-}
-
-QString TorrentTempData::getOldPath(const QString &hash)
-{
-    QHash<QString, TorrentMoveState>::iterator i = torrentMoveStates.find(hash);
-    if (i == torrentMoveStates.end()) {
-        Q_ASSERT(false);
-        return QString();
-    }
-    return i->oldPath;
-}
-
-QString TorrentTempData::getNewPath(const QString &hash)
-{
-    QHash<QString, TorrentMoveState>::iterator i = torrentMoveStates.find(hash);
-    if (i == torrentMoveStates.end()) {
-        Q_ASSERT(false);
-        return QString();
-    }
-    return i->newPath;
-}
-
-QString TorrentTempData::getQueuedPath(const QString &hash)
-{
-    QHash<QString, TorrentMoveState>::iterator i = torrentMoveStates.find(hash);
-    if (i == torrentMoveStates.end()) {
-        Q_ASSERT(false);
-        return QString();
-    }
-    return i->queuedPath;
-}
-
-void TorrentTempData::setAddPaused(const QString &hash, const bool &paused)
-{
-    data[hash].add_paused = paused;
-}
-
-bool TorrentTempData::isAddPaused(const QString &hash)
-{
-    return data.value(hash).add_paused;
-}
-
-void HiddenData::addData(const QString &hash)
-{
-    data[hash] = false;
-}
-
-bool HiddenData::hasData(const QString &hash)
-{
-    return data.contains(hash);
-}
-
-void HiddenData::deleteData(const QString &hash)
-{
-    if (data.value(hash, false))
-        metadata_counter--;
-    data.remove(hash);
-}
-
-int HiddenData::getSize()
-{
-    return data.size();
-}
-
-int HiddenData::getDownloadingSize()
-{
-    return data.size() - metadata_counter;
-}
-
-void HiddenData::gotMetadata(const QString &hash)
-{
-    if (!data.contains(hash))
-        return;
-    data[hash] = true;
-    metadata_counter++;
-}
-
-TorrentPersistentData::TorrentPersistentData()
-    : m_data(QIniSettings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent-resume")).value("torrents").toHash())
-    , dirty(false)
-{
-    timer.setSingleShot(true);
-    timer.setInterval(5 * 1000);
-    connect(&timer, SIGNAL(timeout()), SLOT(save()));
-}
-
-TorrentPersistentData::~TorrentPersistentData()
-{
-    save();
-}
-
-void TorrentPersistentData::save()
-{
-    if (!dirty)
-        return;
-
-    QIniSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent-resume"));
-    settings.setValue("torrents", m_data);
-    dirty = false;
-}
-
-const QVariant TorrentPersistentData::value(const QString &key, const QVariant &defaultValue) const
-{
-    QReadLocker locker(&lock);
-    return m_data.value(key, defaultValue);
-}
-
-void TorrentPersistentData::setValue(const QString &key, const QVariant &value)
-{
-    QWriteLocker locker(&lock);
-    if (m_data.value(key) == value)
-        return;
-    dirty = true;
-    timer.start();
-    m_data.insert(key, value);
-}
-
-TorrentPersistentData* TorrentPersistentData::instance()
-{
-    if (!m_instance)
-        m_instance = new TorrentPersistentData;
-
-    return m_instance;
-}
-
-void TorrentPersistentData::drop()
-{
-    if (m_instance) {
-        delete m_instance;
-        m_instance = 0;
-    }
-}
-
-bool TorrentPersistentData::isKnownTorrent(QString hash) const
-{
-    QReadLocker locker(&lock);
-    return m_data.contains(hash);
-}
-
-QStringList TorrentPersistentData::knownTorrents() const
-{
-    QReadLocker locker(&lock);
-    return m_data.keys();
-}
-
-void TorrentPersistentData::setRatioLimit(const QString &hash, const qreal &ratio)
-{
-    QHash<QString, QVariant> torrent = value(hash).toHash();
-    torrent["max_ratio"] = ratio;
-    setValue(hash, torrent);
-}
-
-qreal TorrentPersistentData::getRatioLimit(const QString &hash) const
-{
-    const QHash<QString, QVariant> torrent = value(hash).toHash();
-    return torrent.value("max_ratio", USE_GLOBAL_RATIO).toReal();
-}
-
-bool TorrentPersistentData::hasPerTorrentRatioLimit() const
-{
-    QReadLocker locker(&lock);
-    QHash<QString, QVariant>::ConstIterator it = m_data.constBegin();
-    QHash<QString, QVariant>::ConstIterator itend = m_data.constEnd();
-    for (; it != itend; ++it)
-        if (it.value().toHash().value("max_ratio", USE_GLOBAL_RATIO).toReal() >= 0)
-            return true;
-    return false;
-}
-
-void TorrentPersistentData::setAddedDate(const QString &hash, const QDateTime &time)
-{
-    QHash<QString, QVariant> torrent = value(hash).toHash();
-    if (!torrent.contains("add_date")) {
-        torrent["add_date"] = time;
-        setValue(hash, torrent);
-    }
-}
-
-QDateTime TorrentPersistentData::getAddedDate(const QString &hash) const
-{
-    const QHash<QString, QVariant> torrent = value(hash).toHash();
-    QDateTime dt = torrent.value("add_date").toDateTime();
-    if (!dt.isValid())
-        dt = QDateTime::currentDateTime();
-    return dt;
-}
-
-void TorrentPersistentData::setErrorState(const QString &hash, const bool has_error)
-{
-    QHash<QString, QVariant> torrent = value(hash).toHash();
-    torrent["has_error"] = has_error;
-    setValue(hash, torrent);
-}
-
-bool TorrentPersistentData::hasError(const QString &hash) const
-{
-    const QHash<QString, QVariant> torrent = value(hash).toHash();
-    return torrent.value("has_error", false).toBool();
-}
-
-QDateTime TorrentPersistentData::getSeedDate(const QString &hash) const
-{
-    const QHash<QString, QVariant> torrent = value(hash).toHash();
-    return torrent.value("seed_date").toDateTime();
-}
-
-void TorrentPersistentData::deletePersistentData(const QString &hash)
-{
-    QWriteLocker locker(&lock);
-    if (m_data.contains(hash)) {
-        m_data.remove(hash);
-        dirty = true;
-        timer.start();
-    }
-}
-
-void TorrentPersistentData::saveTorrentPersistentData(const QTorrentHandle &h, const QString &save_path, const bool is_magnet)
-{
-    Q_ASSERT(h.is_valid());
-    QString hash = h.hash();
-    qDebug("Saving persistent data for %s", qPrintable(hash));
-    // Save persistent data
-    QHash<QString, QVariant> torrent = value(hash).toHash();
-    torrent["is_magnet"] = is_magnet;
-    if (is_magnet)
-        torrent["magnet_uri"] = misc::toQString(make_magnet_uri(h));
-    torrent["seed"] = h.is_seed();
-    torrent["priority"] = h.queue_position();
-    if (save_path.isEmpty()) {
-        qDebug("TorrentPersistantData: save path is %s", qPrintable(h.save_path()));
-        torrent["save_path"] = h.save_path();
-    }
-    else {
-        qDebug("TorrentPersistantData: overriding save path is %s", qPrintable(save_path));
-        torrent["save_path"] = save_path; // Override torrent save path (e.g. because it is a temp dir)
-    }
-    // Label
-    torrent["label"] = TorrentTempData::getLabel(hash);
-    // Save data
-    setValue(hash, torrent);
-    qDebug("TorrentPersistentData: Saving save_path %s, hash: %s", qPrintable(h.save_path()), qPrintable(hash));
-    // Set Added date
-    setAddedDate(hash, QDateTime::currentDateTime());
-    // Finally, remove temp data
-    TorrentTempData::deleteTempData(hash);
-}
-
-void TorrentPersistentData::saveSavePath(const QString &hash, const QString &save_path)
-{
-    Q_ASSERT(!hash.isEmpty());
-    qDebug("TorrentPersistentData::saveSavePath(%s)", qPrintable(save_path));
-    QHash<QString, QVariant> torrent = value(hash).toHash();
-    torrent["save_path"] = save_path;
-    setValue(hash, torrent);
-    qDebug("TorrentPersistentData: Saving save_path: %s, hash: %s", qPrintable(save_path), qPrintable(hash));
-}
-
-void TorrentPersistentData::saveLabel(const QString &hash, const QString &label)
-{
-    Q_ASSERT(!hash.isEmpty());
-    QHash<QString, QVariant> torrent = value(hash).toHash();
-    torrent["label"] = label;
-    setValue(hash, torrent);
-}
-
-void TorrentPersistentData::saveName(const QString &hash, const QString &name)
-{
-    Q_ASSERT(!hash.isEmpty());
-    QHash<QString, QVariant> torrent = value(hash).toHash();
-    torrent["name"] = name;
-    setValue(hash, torrent);
-}
-
-void TorrentPersistentData::savePriority(const QTorrentHandle &h)
-{
-    QString hash = h.hash();
-    QHash<QString, QVariant> torrent = value(hash).toHash();
-    torrent["priority"] = h.queue_position();
-    setValue(hash, torrent);
-}
-
-void TorrentPersistentData::savePriority(const QString &hash, const int &queue_pos)
-{
-    QHash<QString, QVariant> torrent = value(hash).toHash();
-    torrent["priority"] = queue_pos;
-    setValue(hash, torrent);
-}
-
-void TorrentPersistentData::saveSeedStatus(const QTorrentHandle &h)
-{
-    QString hash = h.hash();
-    QHash<QString, QVariant> torrent = value(hash).toHash();
-    bool was_seed = torrent.value("seed", false).toBool();
-    if (was_seed != h.is_seed()) {
-        torrent["seed"] = !was_seed;
-        setValue(hash, torrent);
-    }
-}
-
-void TorrentPersistentData::saveSeedStatus(const QString &hash, const bool seedStatus)
-{
-    QHash<QString, QVariant> torrent = value(hash).toHash();
-    torrent["seed"] = seedStatus;
-    setValue(hash, torrent);
-}
-
-void TorrentPersistentData::setHasMissingFiles(const QString& hash, bool missing)
-{
-    QHash<QString, QVariant> torrent = value(hash).toHash();
-    torrent["has_missing_files"] = missing;
-    setValue(hash, torrent);
-}
-
-QString TorrentPersistentData::getSavePath(const QString &hash) const
-{
-    const QHash<QString, QVariant> torrent = value(hash).toHash();
-    //qDebug("TorrentPersistentData: getSavePath %s", data["save_path"].toString().toLocal8Bit().data());
-    return torrent.value("save_path").toString();
-}
-
-QString TorrentPersistentData::getLabel(const QString &hash) const
-{
-    const QHash<QString, QVariant> torrent = value(hash).toHash();
-    return torrent.value("label", "").toString();
-}
-
-QString TorrentPersistentData::getName(const QString &hash) const
-{
-    const QHash<QString, QVariant> torrent = value(hash).toHash();
-    return torrent.value("name", "").toString();
-}
-
-int TorrentPersistentData::getPriority(const QString &hash) const
-{
-    const QHash<QString, QVariant> torrent = value(hash).toHash();
-    return torrent.value("priority", -1).toInt();
-}
-
-bool TorrentPersistentData::isSeed(const QString &hash) const
-{
-    const QHash<QString, QVariant> torrent = value(hash).toHash();
-    return torrent.value("seed", false).toBool();
-}
-
-bool TorrentPersistentData::isMagnet(const QString &hash) const
-{
-    const QHash<QString, QVariant> torrent = value(hash).toHash();
-    return torrent.value("is_magnet", false).toBool();
-}
-
-QString TorrentPersistentData::getMagnetUri(const QString &hash) const
-{
-    const QHash<QString, QVariant> torrent = value(hash).toHash();
-    Q_ASSERT(torrent.value("is_magnet", false).toBool());
-    return torrent.value("magnet_uri").toString();
-}
-
-bool TorrentPersistentData::getHasMissingFiles(const QString& hash)
-{
-    QHash<QString, QVariant> torrent = value(hash).toHash();
-    return torrent.value("has_missing_files").toBool();
-}

src/core/torrentpersistentdata.h

@@ -1,181 +0,0 @@
-/*
- * Bittorrent Client using Qt4 and libtorrent.
- * Copyright (C) 2006  Christophe Dumez
- *
- * 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.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- *
- * Contact : chris@qbittorrent.org
- */
-
-#ifndef TORRENTPERSISTENTDATA_H
-#define TORRENTPERSISTENTDATA_H
-
-#include <QHash>
-#include <QObject>
-#include <QStringList>
-#include <QTimer>
-#include <QReadWriteLock>
-#include <vector>
-#include "preferences.h"
-
-QT_BEGIN_NAMESPACE
-class QDateTime;
-QT_END_NAMESPACE
-
-class QTorrentHandle;
-
-class TorrentTempData
-{
-    // This class stores strings w/o modifying separators
-public:
-    static bool hasTempData(const QString &hash);
-    static void deleteTempData(const QString &hash);
-    static void setFilesPriority(const QString &hash,  const std::vector<int> &pp);
-    static void setFilesPath(const QString &hash, const QStringList &path_list);
-    static void setSavePath(const QString &hash, const QString &save_path);
-    static void setLabel(const QString &hash, const QString &label);
-    static void setSequential(const QString &hash, const bool &sequential);
-    static bool isSequential(const QString &hash);
-    static void setSeedingMode(const QString &hash, const bool &seed);
-    static bool isSeedingMode(const QString &hash);
-    static QString getSavePath(const QString &hash);
-    static QStringList getFilesPath(const QString &hash);
-    static QString getLabel(const QString &hash);
-    static void getFilesPriority(const QString &hash, std::vector<int> &fp);
-    static bool isMoveInProgress(const QString &hash);
-    static void enqueueMove(const QString &hash, const QString &queuedPath);
-    static void startMove(const QString &hash, const QString &oldPath, const QString& newPath);
-    static void finishMove(const QString &hash);
-    static QString getOldPath(const QString &hash);
-    static QString getNewPath(const QString &hash);
-    static QString getQueuedPath(const QString &hash);
-    static void setAddPaused(const QString &hash, const bool &paused);
-    static bool isAddPaused(const QString &hash);
-
-private:
-    struct TorrentData
-    {
-        TorrentData();
-        std::vector<int> files_priority;
-        QStringList path_list;
-        QString save_path;
-        QString label;
-        bool sequential;
-        bool seed;
-        bool add_paused;
-    };
-
-    struct TorrentMoveState
-    {
-        TorrentMoveState(QString oldPath, QString newPath);
-        // the moving occurs from oldPath to newPath
-        // queuedPath is where files should be moved to, when current moving is completed
-        QString oldPath;
-        QString newPath;
-        QString queuedPath;
-    };
-
-    static QHash<QString, TorrentData> data;
-    static QHash<QString, TorrentMoveState> torrentMoveStates;
-};
-
-class HiddenData
-{
-public:
-    static void addData(const QString &hash);
-    static bool hasData(const QString &hash);
-    static void deleteData(const QString &hash);
-    static int getSize();
-    static int getDownloadingSize();
-    static void gotMetadata(const QString &hash);
-
-private:
-    static QHash<QString, bool> data;
-    static unsigned int metadata_counter;
-};
-
-class TorrentPersistentData: QObject
-{
-    Q_OBJECT
-    Q_DISABLE_COPY(TorrentPersistentData)
-
-public:
-    enum RatioLimit
-    {
-        USE_GLOBAL_RATIO = -2,
-        NO_RATIO_LIMIT = -1
-    };
-
-    static TorrentPersistentData* instance();
-    static void drop();
-    ~TorrentPersistentData();
-
-    bool isKnownTorrent(QString hash) const;
-    QStringList knownTorrents() const;
-    void setRatioLimit(const QString &hash, const qreal &ratio);
-    qreal getRatioLimit(const QString &hash) const;
-    bool hasPerTorrentRatioLimit() const;
-    void setAddedDate(const QString &hash, const QDateTime &time);
-    QDateTime getAddedDate(const QString &hash) const;
-    void setErrorState(const QString &hash, const bool has_error);
-    bool hasError(const QString &hash) const;
-    QDateTime getSeedDate(const QString &hash) const;
-    void deletePersistentData(const QString &hash);
-    void saveTorrentPersistentData(const QTorrentHandle &h, const QString &save_path = QString::null, const bool is_magnet = false);
-
-    // Setters
-    void saveSavePath(const QString &hash, const QString &save_path);
-    void saveLabel(const QString &hash, const QString &label);
-    void saveName(const QString &hash, const QString &name);
-    void savePriority(const QTorrentHandle &h);
-    void savePriority(const QString &hash, const int &queue_pos);
-    void saveSeedStatus(const QTorrentHandle &h);
-    void saveSeedStatus(const QString &hash, const bool seedStatus);
-    void setHasMissingFiles(const QString &hash, bool missing);
-
-    // Getters
-    QString getSavePath(const QString &hash) const;
-    QString getLabel(const QString &hash) const;
-    QString getName(const QString &hash) const;
-    int getPriority(const QString &hash) const;
-    bool isSeed(const QString &hash) const;
-    bool isMagnet(const QString &hash) const;
-    QString getMagnetUri(const QString &hash) const;
-    bool getHasMissingFiles(const QString& hash);
-public slots:
-    void save();
-
-private:
-    TorrentPersistentData();
-    static TorrentPersistentData* m_instance;
-    QHash<QString, QVariant> m_data;
-    bool dirty;
-    QTimer timer;
-    mutable QReadWriteLock lock;
-    const QVariant value(const QString &key, const QVariant &defaultValue = QVariant()) const;
-    void setValue(const QString &key, const QVariant &value);
-
-};
-
-#endif // TORRENTPERSISTENTDATA_H

src/core/tristatebool.cpp

@@ -0,0 +1,60 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include "tristatebool.h"
+
+TriStateBool::TriStateBool()
+    : m_value(Undefined)
+{
+}
+
+TriStateBool::TriStateBool(bool b)
+{
+    m_value = (b ? True : False);
+}
+
+TriStateBool::TriStateBool(TriStateBool::ValueType value)
+    : m_value(Undefined)
+{
+    switch (value) {
+    case Undefined:
+    case True:
+    case False:
+        m_value = value;
+    }
+}
+
+TriStateBool::operator bool() const
+{
+    return (m_value == True);
+}
+
+TriStateBool::operator ValueType() const
+{
+    return m_value;
+}

src/core/tristatebool.h

@@ -0,0 +1,53 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef TRISTATEBOOL_H
+#define TRISTATEBOOL_H
+
+class TriStateBool
+{
+public:
+    enum ValueType
+    {
+        Undefined = -1,
+        False = 0,
+        True = 1
+    };
+
+    TriStateBool();
+    TriStateBool(bool b);
+    TriStateBool(ValueType value);
+
+    operator ValueType() const;
+    operator bool() const;
+
+private:
+    ValueType m_value;
+};
+
+#endif // TRISTATEBOOL_H

src/core/types.h

@@ -0,0 +1,63 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef TYPES_H
+#define TYPES_H
+
+#include <QVariant>
+
+#define BEGIN_SCOPED_ENUM(name) class name\
+{\
+    int m_val;\
+\
+public:\
+    name() {}\
+    name(int val) : m_val(val) {}\
+    operator int() const { return m_val; }\
+    operator QVariant() const { return m_val; }\
+\
+    enum
+
+#define END_SCOPED_ENUM ; };
+
+
+BEGIN_SCOPED_ENUM(MaxRatioAction)
+{
+    Pause,
+    Remove
+}
+END_SCOPED_ENUM
+
+BEGIN_SCOPED_ENUM(TorrentExportFolder)
+{
+    Regular,
+    Finished
+}
+END_SCOPED_ENUM
+
+#endif // TYPES_H

src/core/utils/string.cpp

@@ -0,0 +1,43 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include <QByteArray>
+#include <QString>
+#include "string.h"
+
+QString String::fromStdString(const std::string &str)
+{
+    return QString::fromUtf8(str.c_str());
+}
+
+std::string String::toStdString(const QString &str)
+{
+    QByteArray utf8 = str.toUtf8();
+    return std::string(utf8.constData(), utf8.length());
+}

src/core/utils/string.h

@@ -0,0 +1,43 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef UTILS_STRING_H
+#define UTILS_STRING_H
+
+#include <string>
+
+class QString;
+
+namespace String
+{
+    QString fromStdString(const std::string &str);
+    std::string toStdString(const QString &str);
+}
+
+#endif // UTILS_STRING_H