Some work about adaptive color scheme for Web UI (PR #19901) http://[316:c51a:62a3:8b9::4]/d4708/qBittorrent/src/branch/adaptive-webui
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/*
* Bittorrent Client using Qt4 and libtorrent.
* Copyright (C) 2012, 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 "btjson.h"
#include "misc.h"
#include "fs_utils.h"
#include "qbtsession.h"
#include "torrentpersistentdata.h"
#include "jsonutils.h"
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
#include <QElapsedTimer>
#endif
using namespace libtorrent;
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
#define CACHED_VARIABLE(VARTYPE, VAR, DUR) \
static VARTYPE VAR; \
static QElapsedTimer cacheTimer; \
static bool initialized = false; \
if (initialized && !cacheTimer.hasExpired(DUR)) \
return json::toJson(VAR); \
initialized = true; \
cacheTimer.start(); \
VAR = VARTYPE()
#define CACHED_VARIABLE_FOR_HASH(VARTYPE, VAR, DUR, HASH) \
static VARTYPE VAR; \
static QString prev_hash; \
static QElapsedTimer cacheTimer; \
if (prev_hash == HASH && !cacheTimer.hasExpired(DUR)) \
return json::toJson(VAR); \
prev_hash = HASH; \
cacheTimer.start(); \
VAR = VARTYPE()
#else
// We don't support caching for Qt < 4.7 at the moment
#define CACHED_VARIABLE(VARTYPE, VAR, DUR) \
VARTYPE VAR
#define CACHED_VARIABLE_FOR_HASH(VARTYPE, VAR, DUR, HASH) \
VARTYPE VAR
#endif
// Numerical constants
static const int CACHE_DURATION_MS = 1500; // 1500ms
// Torrent keys
static const char KEY_TORRENT_HASH[] = "hash";
static const char KEY_TORRENT_NAME[] = "name";
static const char KEY_TORRENT_SIZE[] = "size";
static const char KEY_TORRENT_PROGRESS[] = "progress";
static const char KEY_TORRENT_DLSPEED[] = "dlspeed";
static const char KEY_TORRENT_UPSPEED[] = "upspeed";
static const char KEY_TORRENT_PRIORITY[] = "priority";
static const char KEY_TORRENT_SEEDS[] = "num_seeds";
static const char KEY_TORRENT_LEECHS[] = "num_leechs";
static const char KEY_TORRENT_RATIO[] = "ratio";
static const char KEY_TORRENT_ETA[] = "eta";
static const char KEY_TORRENT_STATE[] = "state";
// Tracker keys
static const char KEY_TRACKER_URL[] = "url";
static const char KEY_TRACKER_STATUS[] = "status";
static const char KEY_TRACKER_MSG[] = "msg";
static const char KEY_TRACKER_PEERS[] = "num_peers";
// Torrent keys (Properties)
static const char KEY_PROP_SAVE_PATH[] = "save_path";
static const char KEY_PROP_CREATION_DATE[] = "creation_date";
static const char KEY_PROP_PIECE_SIZE[] = "piece_size";
static const char KEY_PROP_COMMENT[] = "comment";
static const char KEY_PROP_WASTED[] = "total_wasted";
static const char KEY_PROP_UPLOADED[] = "total_uploaded";
static const char KEY_PROP_DOWNLOADED[] = "total_downloaded";
static const char KEY_PROP_UP_LIMIT[] = "up_limit";
static const char KEY_PROP_DL_LIMIT[] = "dl_limit";
static const char KEY_PROP_TIME_ELAPSED[] = "time_elapsed";
static const char KEY_PROP_CONNECT_COUNT[] = "nb_connections";
static const char KEY_PROP_RATIO[] = "share_ratio";
// File keys
static const char KEY_FILE_NAME[] = "name";
static const char KEY_FILE_SIZE[] = "size";
static const char KEY_FILE_PROGRESS[] = "progress";
static const char KEY_FILE_PRIORITY[] = "priority";
static const char KEY_FILE_IS_SEED[] = "is_seed";
// TransferInfo keys
static const char KEY_TRANSFER_DLSPEED[] = "dl_info";
static const char KEY_TRANSFER_UPSPEED[] = "up_info";
static QVariantMap toMap(const QTorrentHandle& h)
{
libtorrent::torrent_status status = h.status(torrent_handle::query_accurate_download_counters);
QVariantMap ret;
ret[KEY_TORRENT_HASH] = h.hash();
ret[KEY_TORRENT_NAME] = h.name();
ret[KEY_TORRENT_SIZE] = misc::friendlyUnit(status.total_wanted, false, true); // FIXME: Should pass as Number, not formatted String (for sorting).
ret[KEY_TORRENT_PROGRESS] = (double)h.progress(status);
ret[KEY_TORRENT_DLSPEED] = misc::friendlyUnit(status.download_payload_rate, true, true); // FIXME: Should be passed as a Number
ret[KEY_TORRENT_UPSPEED] = misc::friendlyUnit(status.upload_payload_rate, true, true); // FIXME: Should be passed as a Number
if (QBtSession::instance()->isQueueingEnabled() && h.queue_position(status) >= 0)
ret[KEY_TORRENT_PRIORITY] = QString::number(h.queue_position(status));
else
ret[KEY_TORRENT_PRIORITY] = "*";
QString seeds = QString::number(status.num_seeds);
if (status.num_complete > 0)
seeds += " ("+QString::number(status.num_complete)+")";
ret[KEY_TORRENT_SEEDS] = seeds;
QString leechs = QString::number(status.num_peers - status.num_seeds);
if (status.num_incomplete > 0)
leechs += " ("+QString::number(status.num_incomplete)+")";
ret[KEY_TORRENT_LEECHS] = leechs;
const qreal ratio = QBtSession::instance()->getRealRatio(status);
ret[KEY_TORRENT_RATIO] = (ratio > 100.) ? QString::fromUtf8("") : misc::accurateDoubleToString(ratio, 1, false);
QString eta;
QString state;
if (h.is_paused(status)) {
if (h.has_error(status))
state = "error";
else
state = h.is_seed(status) ? "pausedUP" : "pausedDL";
} else {
if (QBtSession::instance()->isQueueingEnabled() && h.is_queued(status))
state = h.is_seed(status) ? "queuedUP" : "queuedDL";
else {
switch (status.state) {
case torrent_status::finished:
case torrent_status::seeding:
state = status.upload_payload_rate > 0 ? "uploading" : "stalledUP";
break;
case torrent_status::allocating:
case torrent_status::checking_files:
case torrent_status::queued_for_checking:
case torrent_status::checking_resume_data:
state = h.is_seed(status) ? "checkingUP" : "checkingDL";
break;
case torrent_status::downloading:
case torrent_status::downloading_metadata:
state = status.download_payload_rate > 0 ? "downloading" : "stalledDL";
eta = misc::userFriendlyDuration(QBtSession::instance()->getETA(h.hash(), status));
break;
default:
qWarning("Unrecognized torrent status, should not happen!!! status was %d", h.state());
}
}
}
ret[KEY_TORRENT_ETA] = eta.isEmpty() ? QString::fromUtf8("") : eta;
ret[KEY_TORRENT_STATE] = state;
return ret;
}
/**
* Returns all the torrents in JSON format.
*
* The return value is a JSON-formatted list of dictionaries.
* The dictionary keys are:
* - "hash": Torrent hash
* - "name": Torrent name
* - "size": Torrent size
* - "progress: Torrent progress
* - "dlspeed": Torrent download speed
* - "upspeed": Torrent upload speed
* - "priority": Torrent priority ('*' if queuing is disabled)
* - "num_seeds": Torrent seed count
* - "num_leechs": Torrent leecher count
* - "ratio": Torrent share ratio
* - "eta": Torrent ETA
* - "state": Torrent state
*/
QByteArray btjson::getTorrents()
{
CACHED_VARIABLE(QVariantList, torrent_list, CACHE_DURATION_MS);
std::vector<torrent_handle> torrents = QBtSession::instance()->getTorrents();
std::vector<torrent_handle>::const_iterator it = torrents.begin();
std::vector<torrent_handle>::const_iterator end = torrents.end();
for( ; it != end; ++it) {
torrent_list.append(toMap(QTorrentHandle(*it)));
}
return json::toJson(torrent_list);
}
/**
* Returns the trackers for a torrent in JSON format.
*
* The return value is a JSON-formatted list of dictionaries.
* The dictionary keys are:
* - "url": Tracker URL
* - "status": Tracker status
* - "num_peers": Tracker peer count
* - "msg": Tracker message (last)
*/
QByteArray btjson::getTrackersForTorrent(const QString& hash)
{
CACHED_VARIABLE_FOR_HASH(QVariantList, tracker_list, CACHE_DURATION_MS, hash);
try {
QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
QHash<QString, TrackerInfos> trackers_data = QBtSession::instance()->getTrackersInfo(hash);
std::vector<announce_entry> vect_trackers = h.trackers();
std::vector<announce_entry>::const_iterator it = vect_trackers.begin();
std::vector<announce_entry>::const_iterator end = vect_trackers.end();
for (; it != end; ++it) {
QVariantMap tracker_dict;
const QString tracker_url = misc::toQString(it->url);
tracker_dict[KEY_TRACKER_URL] = tracker_url;
const TrackerInfos data = trackers_data.value(tracker_url, TrackerInfos(tracker_url));
QString status;
if (it->verified)
status = tr("Working");
else {
if (it->updating && it->fails == 0)
status = tr("Updating...");
else
status = it->fails > 0 ? tr("Not working") : tr("Not contacted yet");
}
tracker_dict[KEY_TRACKER_STATUS] = status;
tracker_dict[KEY_TRACKER_PEERS] = QString::number(trackers_data.value(tracker_url, TrackerInfos(tracker_url)).num_peers);
tracker_dict[KEY_TRACKER_MSG] = data.last_message.trimmed();
tracker_list.append(tracker_dict);
}
} catch(const std::exception& e) {
qWarning() << Q_FUNC_INFO << "Invalid torrent: " << e.what();
return QByteArray();
}
return json::toJson(tracker_list);
}
/**
* Returns the properties for a torrent in JSON format.
*
* The return value is a JSON-formatted dictionary.
* The dictionary keys are:
* - "save_path": Torrent save path
* - "creation_date": Torrent creation date
* - "piece_size": Torrent piece size
* - "comment": Torrent comment
* - "total_wasted": Total data wasted for torrent
* - "total_uploaded": Total data uploaded for torrent
* - "total_downloaded": Total data uploaded for torrent
* - "up_limit": Torrent upload limit
* - "dl_limit": Torrent download limit
* - "time_elapsed": Torrent elapsed time
* - "nb_connections": Torrent connection count
* - "share_ratio": Torrent share ratio
*/
QByteArray btjson::getPropertiesForTorrent(const QString& hash)
{
CACHED_VARIABLE_FOR_HASH(QVariantMap, data, CACHE_DURATION_MS, hash);
try {
QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
libtorrent::torrent_status status = h.status(torrent_handle::query_accurate_download_counters);
if (!status.has_metadata)
return QByteArray();
// Save path
QString save_path = fsutils::toNativePath(TorrentPersistentData::getSavePath(hash));
if (save_path.isEmpty())
save_path = fsutils::toNativePath(h.save_path());
data[KEY_PROP_SAVE_PATH] = save_path;
data[KEY_PROP_CREATION_DATE] = h.creation_date();
data[KEY_PROP_PIECE_SIZE] = misc::friendlyUnit(h.piece_length(), false, true);
data[KEY_PROP_COMMENT] = h.comment();
data[KEY_PROP_WASTED] = misc::friendlyUnit(status.total_failed_bytes + status.total_redundant_bytes, false, true);
data[KEY_PROP_UPLOADED] = QString(misc::friendlyUnit(status.all_time_upload, false, true) + " (" + misc::friendlyUnit(status.total_payload_upload, false, true) + " " + tr("this session") + ")");
data[KEY_PROP_DOWNLOADED] = QString(misc::friendlyUnit(status.all_time_download, false, true) + " (" + misc::friendlyUnit(status.total_payload_download, false, true) + " " + tr("this session") + ")");
data[KEY_PROP_UP_LIMIT] = h.upload_limit() <= 0 ? QString::fromUtf8("") : misc::friendlyUnit(h.upload_limit(), true, true);
data[KEY_PROP_DL_LIMIT] = h.download_limit() <= 0 ? QString::fromUtf8("") : misc::friendlyUnit(h.download_limit(), true, true);
QString elapsed_txt = misc::userFriendlyDuration(status.active_time);
if (h.is_seed(status))
elapsed_txt += " ("+tr("Seeded for %1", "e.g. Seeded for 3m10s").arg(misc::userFriendlyDuration(status.seeding_time))+")";
data[KEY_PROP_TIME_ELAPSED] = elapsed_txt;
data[KEY_PROP_CONNECT_COUNT] = QString(QString::number(status.num_connections) + " (" + tr("%1 max", "e.g. 10 max").arg(QString::number(status.connections_limit)) + ")");
const qreal ratio = QBtSession::instance()->getRealRatio(status);
data[KEY_PROP_RATIO] = ratio > 100. ? QString::fromUtf8("") : misc::accurateDoubleToString(ratio, 1, false);
} catch(const std::exception& e) {
qWarning() << Q_FUNC_INFO << "Invalid torrent: " << e.what();
return QByteArray();
}
return json::toJson(data);
}
/**
* Returns the files in a torrent in JSON format.
*
* The return value is a JSON-formatted list of dictionaries.
* The dictionary keys are:
* - "name": File name
* - "size": File size
* - "progress": File progress
* - "priority": File priority
* - "is_seed": Flag indicating if torrent is seeding/complete
*/
QByteArray btjson::getFilesForTorrent(const QString& hash)
{
CACHED_VARIABLE_FOR_HASH(QVariantList, file_list, CACHE_DURATION_MS, hash);
try {
QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
if (!h.has_metadata())
return QByteArray();
const std::vector<int> priorities = h.file_priorities();
std::vector<size_type> fp;
h.file_progress(fp);
for (int i = 0; i < h.num_files(); ++i) {
QVariantMap file_dict;
QString fileName = h.filename_at(i);
if (fileName.endsWith(".!qB", Qt::CaseInsensitive))
fileName.chop(4);
file_dict[KEY_FILE_NAME] = fsutils::toNativePath(fileName);
const size_type size = h.filesize_at(i);
file_dict[KEY_FILE_SIZE] = misc::friendlyUnit(size, false, true);
file_dict[KEY_FILE_PROGRESS] = (size > 0) ? (fp[i] / (double) size) : 1.;
file_dict[KEY_FILE_PRIORITY] = priorities[i];
if (i == 0)
file_dict[KEY_FILE_IS_SEED] = h.is_seed();
file_list.append(file_dict);
}
} catch (const std::exception& e) {
qWarning() << Q_FUNC_INFO << "Invalid torrent: " << e.what();
return QByteArray();
}
return json::toJson(file_list);
}
/**
* Returns the global transfer information in JSON format.
*
* The return value is a JSON-formatted dictionary.
* The dictionary keys are:
* - "dl_info": Global download info
* - "up_info": Global upload info
*/
QByteArray btjson::getTransferInfo()
{
CACHED_VARIABLE(QVariantMap, info, CACHE_DURATION_MS);
session_status sessionStatus = QBtSession::instance()->getSessionStatus();
info[KEY_TRANSFER_DLSPEED] = tr("D: %1/s - T: %2", "Download speed: x KiB/s - Transferred: x MiB").arg(misc::friendlyUnit(sessionStatus.payload_download_rate, true, true)).arg(misc::friendlyUnit(sessionStatus.total_payload_download, false, true));
info[KEY_TRANSFER_UPSPEED] = tr("U: %1/s - T: %2", "Upload speed: x KiB/s - Transferred: x MiB").arg(misc::friendlyUnit(sessionStatus.payload_upload_rate, true, true)).arg(misc::friendlyUnit(sessionStatus.total_payload_upload, false, true));
return json::toJson(info);
}