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qBittorrent/src/webui/btjson.cpp
ngosang 2132704e1d [Web UI] Add information in General tab
2015-07-26 14:27:59 +02:00

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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 "core/utils/misc.h"
#include "core/utils/fs.h"
#include "core/preferences.h"
#include "core/bittorrent/session.h"
#include "core/bittorrent/sessionstatus.h"
#include "core/bittorrent/torrenthandle.h"
#include "core/bittorrent/trackerentry.h"
#include "core/torrentfilter.h"
#include "jsonutils.h"
#include <QDebug>
#include <QVariant>
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
#include <QMetaType>
#endif
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
#include <QElapsedTimer>
#endif
#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_NUM_COMPLETE[] = "num_complete";
static const char KEY_TORRENT_LEECHS[] = "num_leechs";
static const char KEY_TORRENT_NUM_INCOMPLETE[] = "num_incomplete";
static const char KEY_TORRENT_RATIO[] = "ratio";
static const char KEY_TORRENT_ETA[] = "eta";
static const char KEY_TORRENT_STATE[] = "state";
static const char KEY_TORRENT_SEQUENTIAL_DOWNLOAD[] = "seq_dl";
static const char KEY_TORRENT_FIRST_LAST_PIECE_PRIO[] = "f_l_piece_prio";
static const char KEY_TORRENT_LABEL[] = "label";
static const char KEY_TORRENT_SUPER_SEEDING[] = "super_seeding";
static const char KEY_TORRENT_FORCE_START[] = "force_start";
// 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";
// Web seed keys
static const char KEY_WEBSEED_URL[] = "url";
// Torrent keys (Properties)
static const char KEY_PROP_TIME_ELAPSED[] = "time_elapsed";
static const char KEY_PROP_SEEDING_TIME[] = "seeding_time";
static const char KEY_PROP_ETA[] = "eta";
static const char KEY_PROP_CONNECT_COUNT[] = "nb_connections";
static const char KEY_PROP_CONNECT_COUNT_LIMIT[] = "nb_connections_limit";
static const char KEY_PROP_DOWNLOADED[] = "total_downloaded";
static const char KEY_PROP_DOWNLOADED_SESSION[] = "total_downloaded_session";
static const char KEY_PROP_UPLOADED[] = "total_uploaded";
static const char KEY_PROP_UPLOADED_SESSION[] = "total_uploaded_session";
static const char KEY_PROP_DL_SPEED[] = "dl_speed";
static const char KEY_PROP_DL_SPEED_AVG[] = "dl_speed_avg";
static const char KEY_PROP_UP_SPEED[] = "up_speed";
static const char KEY_PROP_UP_SPEED_AVG[] = "up_speed_avg";
static const char KEY_PROP_DL_LIMIT[] = "dl_limit";
static const char KEY_PROP_UP_LIMIT[] = "up_limit";
static const char KEY_PROP_WASTED[] = "total_wasted";
static const char KEY_PROP_SEEDS[] = "seeds";
static const char KEY_PROP_SEEDS_TOTAL[] = "seeds_total";
static const char KEY_PROP_PEERS[] = "peers";
static const char KEY_PROP_PEERS_TOTAL[] = "peers_total";
static const char KEY_PROP_RATIO[] = "share_ratio";
static const char KEY_PROP_REANNOUNCE[] = "reannounce";
static const char KEY_PROP_TOTAL_SIZE[] = "total_size";
static const char KEY_PROP_PIECES_NUM[] = "pieces_num";
static const char KEY_PROP_PIECE_SIZE[] = "piece_size";
static const char KEY_PROP_PIECES_HAVE[] = "pieces_have";
static const char KEY_PROP_CREATED_BY[] = "created_by";
static const char KEY_PROP_LAST_SEEN[] = "last_seen";
static const char KEY_PROP_ADDITION_DATE[] = "addition_date";
static const char KEY_PROP_COMPLETION_DATE[] = "completion_date";
static const char KEY_PROP_CREATION_DATE[] = "creation_date";
static const char KEY_PROP_SAVE_PATH[] = "save_path";
static const char KEY_PROP_COMMENT[] = "comment";
// 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_speed";
static const char KEY_TRANSFER_DLDATA[] = "dl_info_data";
static const char KEY_TRANSFER_DLRATELIMIT[] = "dl_rate_limit";
static const char KEY_TRANSFER_UPSPEED[] = "up_info_speed";
static const char KEY_TRANSFER_UPDATA[] = "up_info_data";
static const char KEY_TRANSFER_UPRATELIMIT[] = "up_rate_limit";
static const char KEY_TRANSFER_DHT_NODES[] = "dht_nodes";
static const char KEY_TRANSFER_CONNECTION_STATUS[] = "connection_status";
// Sync main data keys
static const char KEY_SYNC_MAINDATA_QUEUEING[] = "queueing";
static const char KEY_SYNC_MAINDATA_USE_ALT_SPEED_LIMITS[] = "use_alt_speed_limits";
static const char KEY_SYNC_MAINDATA_REFRESH_INTERVAL[] = "refresh_interval";
static const char KEY_FULL_UPDATE[] = "full_update";
static const char KEY_RESPONSE_ID[] = "rid";
static const char KEY_SUFFIX_REMOVED[] = "_removed";
QVariantMap getTranserInfoMap();
QVariantMap toMap(BitTorrent::TorrentHandle *const torrent);
void processMap(QVariantMap prevData, QVariantMap data, QVariantMap &syncData);
void processHash(QVariantHash prevData, QVariantHash data, QVariantMap &syncData, QVariantList &removedItems);
void processList(QVariantList prevData, QVariantList data, QVariantList &syncData, QVariantList &removedItems);
QVariantMap generateSyncData(int acceptedResponseId, QVariantMap data, QVariantMap &lastAcceptedData, QVariantMap &lastData);
class QTorrentCompare
{
public:
QTorrentCompare(QString key, bool greaterThan = false)
: key_(key)
, greaterThan_(greaterThan)
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
, type_(QVariant::Invalid)
#endif
{
}
bool operator()(QVariant torrent1, QVariant torrent2)
{
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
if (type_ == QVariant::Invalid)
type_ = torrent1.toMap().value(key_).type();
switch (type_) {
case QVariant::Int:
return greaterThan_ ? torrent1.toMap().value(key_).toInt() > torrent2.toMap().value(key_).toInt()
: torrent1.toMap().value(key_).toInt() < torrent2.toMap().value(key_).toInt();
case QVariant::LongLong:
return greaterThan_ ? torrent1.toMap().value(key_).toLongLong() > torrent2.toMap().value(key_).toLongLong()
: torrent1.toMap().value(key_).toLongLong() < torrent2.toMap().value(key_).toLongLong();
case QVariant::ULongLong:
return greaterThan_ ? torrent1.toMap().value(key_).toULongLong() > torrent2.toMap().value(key_).toULongLong()
: torrent1.toMap().value(key_).toULongLong() < torrent2.toMap().value(key_).toULongLong();
case QMetaType::Float:
return greaterThan_ ? torrent1.toMap().value(key_).toFloat() > torrent2.toMap().value(key_).toFloat()
: torrent1.toMap().value(key_).toFloat() < torrent2.toMap().value(key_).toFloat();
case QVariant::Double:
return greaterThan_ ? torrent1.toMap().value(key_).toDouble() > torrent2.toMap().value(key_).toDouble()
: torrent1.toMap().value(key_).toDouble() < torrent2.toMap().value(key_).toDouble();
default:
return greaterThan_ ? torrent1.toMap().value(key_).toString() > torrent2.toMap().value(key_).toString()
: torrent1.toMap().value(key_).toString() < torrent2.toMap().value(key_).toString();
}
#else
return greaterThan_ ? torrent1.toMap().value(key_) > torrent2.toMap().value(key_)
: torrent1.toMap().value(key_) < torrent2.toMap().value(key_);
#endif
}
private:
QString key_;
bool greaterThan_;
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
QVariant::Type type_;
#endif
};
/**
* 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 (-1 if queuing is disabled)
* - "num_seeds": Torrent seeds connected to
* - "num_complete": Torrent seeds in the swarm
* - "num_leechs": Torrent leechers connected to
* - "num_incomplete": Torrent leechers in the swarm
* - "ratio": Torrent share ratio
* - "eta": Torrent ETA
* - "state": Torrent state
* - "seq_dl": Torrent sequential download state
* - "f_l_piece_prio": Torrent first last piece priority state
* - "force_start": Torrent force start state
*/
QByteArray btjson::getTorrents(QString filter, QString label,
QString sortedColumn, bool reverse, int limit, int offset)
{
QVariantList torrentList;
TorrentFilter torrentFilter(filter, TorrentFilter::AnyHash, label);
foreach (BitTorrent::TorrentHandle *const torrent, BitTorrent::Session::instance()->torrents()) {
if (torrentFilter.match(torrent))
torrentList.append(toMap(torrent));
}
std::sort(torrentList.begin(), torrentList.end(), QTorrentCompare(sortedColumn, reverse));
int size = torrentList.size();
// normalize offset
if (offset < 0)
offset = size + offset;
if ((offset >= size) || (offset < 0))
offset = 0;
// normalize limit
if (limit <= 0)
limit = -1; // unlimited
if ((limit > 0) || (offset > 0))
return json::toJson(torrentList.mid(offset, limit));
else
return json::toJson(torrentList);
}
/**
* The function returns the changed data from the server to synchronize with the web client.
* Return value is map in JSON format.
* Map contain the key:
* - "Rid": ID response
* Map can contain the keys:
* - "full_update": full data update flag
* - "torrents": dictionary contains information about torrents.
* - "torrents_removed": a list of hashes of removed torrents
* - "labels": list of labels
* - "labels_removed": list of removed labels
* - "server_state": map contains information about the state of the server
* The keys of the 'torrents' dictionary are hashes of torrents.
* Each value of the 'torrents' dictionary contains map. The map can contain following keys:
* - "name": Torrent name
* - "size": Torrent size
* - "progress: Torrent progress
* - "dlspeed": Torrent download speed
* - "upspeed": Torrent upload speed
* - "priority": Torrent priority (-1 if queuing is disabled)
* - "num_seeds": Torrent seeds connected to
* - "num_complete": Torrent seeds in the swarm
* - "num_leechs": Torrent leechers connected to
* - "num_incomplete": Torrent leechers in the swarm
* - "ratio": Torrent share ratio
* - "eta": Torrent ETA
* - "state": Torrent state
* - "seq_dl": Torrent sequential download state
* - "f_l_piece_prio": Torrent first last piece priority state
* Server state map may contain the following keys:
* - "connection_status": connection status
* - "dht_nodes": DHT nodes count
* - "dl_info_data": bytes downloaded
* - "dl_info_speed": download speed
* - "dl_rate_limit: download rate limit
* - "up_info_data: bytes uploaded
* - "up_info_speed: upload speed
* - "up_rate_limit: upload speed limit
* - "queueing": priority system usage flag
* - "refresh_interval": torrents table refresh interval
*/
QByteArray btjson::getSyncMainData(int acceptedResponseId, QVariantMap &lastData, QVariantMap &lastAcceptedData)
{
QVariantMap data;
QVariantHash torrents;
foreach (BitTorrent::TorrentHandle *const torrent, BitTorrent::Session::instance()->torrents()) {
QVariantMap map = toMap(torrent);
map.remove(KEY_TORRENT_HASH);
torrents[torrent->hash()] = map;
}
data["torrents"] = torrents;
QVariantList labels;
foreach (QString s, Preferences::instance()->getTorrentLabels())
labels << s;
data["labels"] = labels;
QVariantMap serverState = getTranserInfoMap();
serverState[KEY_SYNC_MAINDATA_QUEUEING] = BitTorrent::Session::instance()->isQueueingEnabled();
serverState[KEY_SYNC_MAINDATA_USE_ALT_SPEED_LIMITS] = Preferences::instance()->isAltBandwidthEnabled();
serverState[KEY_SYNC_MAINDATA_REFRESH_INTERVAL] = Preferences::instance()->getRefreshInterval();
data["server_state"] = serverState;
return json::toJson(generateSyncData(acceptedResponseId, data, lastAcceptedData, lastData));
}
/**
* 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, trackerList, CACHE_DURATION_MS, hash);
BitTorrent::TorrentHandle *const torrent = BitTorrent::Session::instance()->findTorrent(hash);
if (!torrent) {
qWarning() << Q_FUNC_INFO << "Invalid torrent " << qPrintable(hash);
return QByteArray();
}
QHash<QString, BitTorrent::TrackerInfo> trackers_data = torrent->trackerInfos();
foreach (const BitTorrent::TrackerEntry &tracker, torrent->trackers()) {
QVariantMap trackerDict;
trackerDict[KEY_TRACKER_URL] = tracker.url();
const BitTorrent::TrackerInfo data = trackers_data.value(tracker.url());
QString status;
switch (tracker.status()) {
case BitTorrent::TrackerEntry::NotContacted:
status = tr("Not contacted yet"); break;
case BitTorrent::TrackerEntry::Updating:
status = tr("Updating..."); break;
case BitTorrent::TrackerEntry::Working:
status = tr("Working"); break;
case BitTorrent::TrackerEntry::NotWorking:
status = tr("Not working"); break;
}
trackerDict[KEY_TRACKER_STATUS] = status;
trackerDict[KEY_TRACKER_PEERS] = data.numPeers;
trackerDict[KEY_TRACKER_MSG] = data.lastMessage.trimmed();
trackerList.append(trackerDict);
}
return json::toJson(trackerList);
}
/**
* Returns the web seeds for a torrent in JSON format.
*
* The return value is a JSON-formatted list of dictionaries.
* The dictionary keys are:
* - "url": Web seed URL
*/
QByteArray btjson::getWebSeedsForTorrent(const QString& hash)
{
CACHED_VARIABLE_FOR_HASH(QVariantList, webSeedList, CACHE_DURATION_MS, hash);
BitTorrent::TorrentHandle *const torrent = BitTorrent::Session::instance()->findTorrent(hash);
if (!torrent) {
qWarning() << Q_FUNC_INFO << "Invalid torrent " << qPrintable(hash);
return QByteArray();
}
foreach (const QUrl &webseed, torrent->urlSeeds()) {
QVariantMap webSeedDict;
webSeedDict[KEY_WEBSEED_URL] = webseed.toString();
webSeedList.append(webSeedDict);
}
return json::toJson(webSeedList);
}
/**
* Returns the properties for a torrent in JSON format.
*
* The return value is a JSON-formatted dictionary.
* The dictionary keys are:
* - "time_elapsed": Torrent elapsed time
* - "seeding_time": Torrent elapsed time while complete
* - "eta": Torrent ETA
* - "nb_connections": Torrent connection count
* - "nb_connections_limit": Torrent connection count limit
* - "total_downloaded": Total data uploaded for torrent
* - "total_downloaded_session": Total data downloaded this session
* - "total_uploaded": Total data uploaded for torrent
* - "total_uploaded_session": Total data uploaded this session
* - "dl_speed": Torrent download speed
* - "dl_speed_avg": Torrent average download speed
* - "up_speed": Torrent upload speed
* - "up_speed_avg": Torrent average upload speed
* - "dl_limit": Torrent download limit
* - "up_limit": Torrent upload limit
* - "total_wasted": Total data wasted for torrent
* - "seeds": Torrent connected seeds
* - "seeds_total": Torrent total number of seeds
* - "peers": Torrent connected peers
* - "peers_total": Torrent total number of peers
* - "share_ratio": Torrent share ratio
* - "reannounce": Torrent next reannounce time
* - "total_size": Torrent total size
* - "pieces_num": Torrent pieces count
* - "piece_size": Torrent piece size
* - "pieces_have": Torrent pieces have
* - "created_by": Torrent creator
* - "last_seen": Torrent last seen complete
* - "addition_date": Torrent addition date
* - "completion_date": Torrent completion date
* - "creation_date": Torrent creation date
* - "save_path": Torrent save path
* - "comment": Torrent comment
*/
QByteArray btjson::getPropertiesForTorrent(const QString& hash)
{
CACHED_VARIABLE_FOR_HASH(QVariantMap, dataDict, CACHE_DURATION_MS, hash);
BitTorrent::TorrentHandle *const torrent = BitTorrent::Session::instance()->findTorrent(hash);
if (!torrent) {
qWarning() << Q_FUNC_INFO << "Invalid torrent " << qPrintable(hash);
return QByteArray();
}
dataDict[KEY_PROP_TIME_ELAPSED] = torrent->activeTime();
dataDict[KEY_PROP_SEEDING_TIME] = torrent->seedingTime();
dataDict[KEY_PROP_ETA] = torrent->eta();
dataDict[KEY_PROP_CONNECT_COUNT] = torrent->connectionsCount();
dataDict[KEY_PROP_CONNECT_COUNT_LIMIT] = torrent->connectionsLimit();
dataDict[KEY_PROP_DOWNLOADED] = torrent->totalDownload();
dataDict[KEY_PROP_DOWNLOADED_SESSION] = torrent->totalPayloadDownload();
dataDict[KEY_PROP_UPLOADED] = torrent->totalUpload();
dataDict[KEY_PROP_UPLOADED_SESSION] = torrent->totalPayloadUpload();
dataDict[KEY_PROP_DL_SPEED] = torrent->downloadPayloadRate();
dataDict[KEY_PROP_DL_SPEED_AVG] = torrent->totalDownload() / (1 + torrent->activeTime() - torrent->finishedTime());
dataDict[KEY_PROP_UP_SPEED] = torrent->uploadPayloadRate();
dataDict[KEY_PROP_UP_SPEED_AVG] = torrent->totalUpload() / (1 + torrent->activeTime());
dataDict[KEY_PROP_DL_LIMIT] = torrent->downloadLimit() <= 0 ? -1 : torrent->downloadLimit();
dataDict[KEY_PROP_UP_LIMIT] = torrent->uploadLimit() <= 0 ? -1 : torrent->uploadLimit();
dataDict[KEY_PROP_WASTED] = torrent->wastedSize();
dataDict[KEY_PROP_SEEDS] = torrent->seedsCount();
dataDict[KEY_PROP_SEEDS_TOTAL] = torrent->totalSeedsCount();
dataDict[KEY_PROP_PEERS] = torrent->leechsCount();
dataDict[KEY_PROP_PEERS_TOTAL] = torrent->totalLeechersCount();
const qreal ratio = torrent->realRatio();
dataDict[KEY_PROP_RATIO] = ratio > BitTorrent::TorrentHandle::MAX_RATIO ? -1 : ratio;
dataDict[KEY_PROP_REANNOUNCE] = torrent->nextAnnounce();
dataDict[KEY_PROP_TOTAL_SIZE] = torrent->totalSize();
dataDict[KEY_PROP_PIECES_NUM] = torrent->piecesCount();
dataDict[KEY_PROP_PIECE_SIZE] = torrent->pieceLength();
dataDict[KEY_PROP_PIECES_HAVE] = torrent->piecesHave();
dataDict[KEY_PROP_CREATED_BY] = torrent->creator();
dataDict[KEY_PROP_ADDITION_DATE] = torrent->addedTime().toTime_t();
if (torrent->hasMetadata()) {
dataDict[KEY_PROP_LAST_SEEN] = torrent->lastSeenComplete().isValid() ? (int)torrent->lastSeenComplete().toTime_t() : -1;
dataDict[KEY_PROP_COMPLETION_DATE] = torrent->completedTime().isValid() ? (int)torrent->completedTime().toTime_t() : -1;
dataDict[KEY_PROP_CREATION_DATE] = torrent->creationDate().toTime_t();
}
else {
dataDict[KEY_PROP_LAST_SEEN] = -1;
dataDict[KEY_PROP_COMPLETION_DATE] = -1;
dataDict[KEY_PROP_CREATION_DATE] = -1;
}
dataDict[KEY_PROP_SAVE_PATH] = torrent->savePathParsed();
dataDict[KEY_PROP_COMMENT] = torrent->comment();
return json::toJson(dataDict);
}
/**
* 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, fileList, CACHE_DURATION_MS, hash);
BitTorrent::TorrentHandle *const torrent = BitTorrent::Session::instance()->findTorrent(hash);
if (!torrent) {
qWarning() << Q_FUNC_INFO << "Invalid torrent " << qPrintable(hash);
return QByteArray();
}
if (!torrent->hasMetadata())
return json::toJson(fileList);
const QVector<int> priorities = torrent->filePriorities();
QVector<qreal> fp = torrent->filesProgress();
for (int i = 0; i < torrent->filesCount(); ++i) {
QVariantMap fileDict;
QString fileName = torrent->filePath(i);
if (fileName.endsWith(".!qB", Qt::CaseInsensitive))
fileName.chop(4);
fileDict[KEY_FILE_NAME] = Utils::Fs::toNativePath(fileName);
const qlonglong size = torrent->fileSize(i);
fileDict[KEY_FILE_SIZE] = size;
fileDict[KEY_FILE_PROGRESS] = fp[i];
fileDict[KEY_FILE_PRIORITY] = priorities[i];
if (i == 0)
fileDict[KEY_FILE_IS_SEED] = torrent->isSeed();
fileList.append(fileDict);
}
return json::toJson(fileList);
}
/**
* Returns the global transfer information in JSON format.
*
* The return value is a JSON-formatted dictionary.
* The dictionary keys are:
* - "dl_info_speed": Global download rate
* - "dl_info_data": Data downloaded this session
* - "up_info_speed": Global upload rate
* - "up_info_data": Data uploaded this session
* - "dl_rate_limit": Download rate limit
* - "up_rate_limit": Upload rate limit
* - "dht_nodes": DHT nodes connected to
* - "connection_status": Connection status
*/
QByteArray btjson::getTransferInfo()
{
return json::toJson(getTranserInfoMap());
}
QVariantMap getTranserInfoMap()
{
QVariantMap map;
BitTorrent::SessionStatus sessionStatus = BitTorrent::Session::instance()->status();
map[KEY_TRANSFER_DLSPEED] = sessionStatus.payloadDownloadRate();
map[KEY_TRANSFER_DLDATA] = sessionStatus.totalPayloadDownload();
map[KEY_TRANSFER_UPSPEED] = sessionStatus.payloadUploadRate();
map[KEY_TRANSFER_UPDATA] = sessionStatus.totalPayloadUpload();
map[KEY_TRANSFER_DLRATELIMIT] = BitTorrent::Session::instance()->downloadRateLimit();
map[KEY_TRANSFER_UPRATELIMIT] = BitTorrent::Session::instance()->uploadRateLimit();
map[KEY_TRANSFER_DHT_NODES] = sessionStatus.dhtNodes();
if (!BitTorrent::Session::instance()->isListening())
map[KEY_TRANSFER_CONNECTION_STATUS] = "disconnected";
else
map[KEY_TRANSFER_CONNECTION_STATUS] = sessionStatus.hasIncomingConnections() ? "connected" : "firewalled";
return map;
}
QByteArray btjson::getTorrentsRatesLimits(QStringList &hashes, bool downloadLimits)
{
QVariantMap map;
foreach (const QString &hash, hashes) {
int limit = -1;
BitTorrent::TorrentHandle *const torrent = BitTorrent::Session::instance()->findTorrent(hash);
if (torrent)
limit = downloadLimits ? torrent->downloadLimit() : torrent->uploadLimit();
map[hash] = limit;
}
return json::toJson(map);
}
QVariantMap toMap(BitTorrent::TorrentHandle *const torrent)
{
QVariantMap ret;
ret[KEY_TORRENT_HASH] = QString(torrent->hash());
ret[KEY_TORRENT_NAME] = torrent->name();
ret[KEY_TORRENT_SIZE] = torrent->wantedSize();
ret[KEY_TORRENT_PROGRESS] = torrent->progress();
ret[KEY_TORRENT_DLSPEED] = torrent->downloadPayloadRate();
ret[KEY_TORRENT_UPSPEED] = torrent->uploadPayloadRate();
ret[KEY_TORRENT_PRIORITY] = torrent->queuePosition();
ret[KEY_TORRENT_SEEDS] = torrent->seedsCount();
ret[KEY_TORRENT_NUM_COMPLETE] = torrent->completeCount();
ret[KEY_TORRENT_LEECHS] = torrent->leechsCount();
ret[KEY_TORRENT_NUM_INCOMPLETE] = torrent->incompleteCount();
const qreal ratio = torrent->realRatio();
ret[KEY_TORRENT_RATIO] = (ratio > BitTorrent::TorrentHandle::MAX_RATIO) ? -1 : ratio;
ret[KEY_TORRENT_STATE] = torrent->state().toString();
ret[KEY_TORRENT_ETA] = torrent->eta();
ret[KEY_TORRENT_SEQUENTIAL_DOWNLOAD] = torrent->isSequentialDownload();
if (torrent->hasMetadata())
ret[KEY_TORRENT_FIRST_LAST_PIECE_PRIO] = torrent->hasFirstLastPiecePriority();
ret[KEY_TORRENT_LABEL] = torrent->label();
ret[KEY_TORRENT_SUPER_SEEDING] = torrent->superSeeding();
ret[KEY_TORRENT_FORCE_START] = torrent->isForced();
return ret;
}
// Compare two structures (prevData, data) and calculate difference (syncData).
// Structures encoded as map.
void processMap(QVariantMap prevData, QVariantMap data, QVariantMap &syncData)
{
// initialize output variable
syncData.clear();
QVariantList removedItems;
foreach (QString key, data.keys()) {
removedItems.clear();
switch (data[key].type()) {
case QVariant::Map: {
QVariantMap map;
processMap(prevData[key].toMap(), data[key].toMap(), map);
if (!map.isEmpty())
syncData[key] = map;
}
break;
case QVariant::Hash: {
QVariantMap map;
processHash(prevData[key].toHash(), data[key].toHash(), map, removedItems);
if (!map.isEmpty())
syncData[key] = map;
if (!removedItems.isEmpty())
syncData[key + KEY_SUFFIX_REMOVED] = removedItems;
}
break;
case QVariant::List: {
QVariantList list;
processList(prevData[key].toList(), data[key].toList(), list, removedItems);
if (!list.isEmpty())
syncData[key] = list;
if (!removedItems.isEmpty())
syncData[key + KEY_SUFFIX_REMOVED] = removedItems;
}
break;
case QVariant::String:
case QVariant::LongLong:
case QMetaType::Float:
case QVariant::Int:
case QVariant::Bool:
case QVariant::Double:
case QVariant::ULongLong:
case QVariant::UInt:
if (prevData[key] != data[key])
syncData[key] = data[key];
break;
default:
Q_ASSERT(0);
}
}
}
// Compare two lists of structures (prevData, data) and calculate difference (syncData, removedItems).
// Structures encoded as map.
// Lists are encoded as hash table (indexed by structure key value) to improve ease of searching for removed items.
void processHash(QVariantHash prevData, QVariantHash data, QVariantMap &syncData, QVariantList &removedItems)
{
// initialize output variables
syncData.clear();
removedItems.clear();
if (prevData.isEmpty()) {
// If list was empty before, then difference is a whole new list.
foreach (QString key, data.keys())
syncData[key] = data[key];
}
else {
foreach (QString key, data.keys()) {
switch (data[key].type()) {
case QVariant::Map:
if (!prevData.contains(key)) {
// new list item found - append it to syncData
syncData[key] = data[key];
}
else {
QVariantMap map;
processMap(prevData[key].toMap(), data[key].toMap(), map);
// existing list item found - remove it from prevData
prevData.remove(key);
if (!map.isEmpty())
// changed list item found - append its changes to syncData
syncData[key] = map;
}
break;
default:
Q_ASSERT(0);
}
}
if (!prevData.isEmpty()) {
// prevData contains only items that are missing now -
// put them in removedItems
foreach (QString s, prevData.keys())
removedItems << s;
}
}
}
// Compare two lists of simple value (prevData, data) and calculate difference (syncData, removedItems).
void processList(QVariantList prevData, QVariantList data, QVariantList &syncData, QVariantList &removedItems)
{
// initialize output variables
syncData.clear();
removedItems.clear();
if (prevData.isEmpty()) {
// If list was empty before, then difference is a whole new list.
syncData = data;
}
else {
foreach (QVariant item, data) {
if (!prevData.contains(item))
// new list item found - append it to syncData
syncData.append(item);
else
// unchanged list item found - remove it from prevData
prevData.removeOne(item);
}
if (!prevData.isEmpty())
// prevData contains only items that are missing now -
// put them in removedItems
removedItems = prevData;
}
}
QVariantMap generateSyncData(int acceptedResponseId, QVariantMap data, QVariantMap &lastAcceptedData, QVariantMap &lastData)
{
QVariantMap syncData;
bool fullUpdate = true;
int lastResponseId = 0;
if (acceptedResponseId > 0) {
lastResponseId = lastData[KEY_RESPONSE_ID].toInt();
if (lastResponseId == acceptedResponseId)
lastAcceptedData = lastData;
int lastAcceptedResponseId = lastAcceptedData[KEY_RESPONSE_ID].toInt();
if (lastAcceptedResponseId == acceptedResponseId) {
processMap(lastAcceptedData, data, syncData);
fullUpdate = false;
}
}
if (fullUpdate) {
lastAcceptedData.clear();
syncData = data;
#if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0) && QT_VERSION < QT_VERSION_CHECK(5, 5, 0))
// QJsonDocument::fromVariant() supports QVariantHash only
// since Qt5.5, so manually convert data["torrents"]
QVariantMap torrentsMap;
QVariantHash torrents = data["torrents"].toHash();
foreach (const QString &key, torrents.keys())
torrentsMap[key] = torrents[key];
syncData["torrents"] = torrentsMap;
#endif
syncData[KEY_FULL_UPDATE] = true;
}
lastResponseId = lastResponseId % 1000000 + 1; // cycle between 1 and 1000000
lastData = data;
lastData[KEY_RESPONSE_ID] = lastResponseId;
syncData[KEY_RESPONSE_ID] = lastResponseId;
return syncData;
}
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