qBittorrent/src/createtorrent_imp.cpp
2009-04-05 17:00:55 +00:00

276 lines
9.6 KiB
C++

/*
* 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 <QFileDialog>
#include <QMessageBox>
#include <QInputDialog>
#include <boost/filesystem/operations.hpp>
#include <boost/filesystem/path.hpp>
#include <boost/filesystem/fstream.hpp>
#include <boost/bind.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 "createtorrent_imp.h"
#include "misc.h"
using namespace libtorrent;
using namespace boost::filesystem;
// do not include files and folders whose
// name starts with a .
bool file_filter(boost::filesystem::path const& filename)
{
if (filename.leaf()[0] == '.') return false;
std::cerr << filename << std::endl;
return true;
}
createtorrent::createtorrent(QWidget *parent): QDialog(parent){
setupUi(this);
setAttribute(Qt::WA_DeleteOnClose);
creatorThread = new torrentCreatorThread(this);
connect(creatorThread, SIGNAL(creationSuccess(QString, const char*)), this, SLOT(handleCreationSuccess(QString, const char*)));
connect(creatorThread, SIGNAL(creationFailure(QString)), this, SLOT(handleCreationFailure(QString)));
connect(creatorThread, SIGNAL(updateProgress(int)), this, SLOT(updateProgressBar(int)));
path::default_name_check(no_check);
show();
}
createtorrent::~createtorrent() {
delete creatorThread;
}
void createtorrent::on_addFolder_button_clicked(){
QString dir = QFileDialog::getExistingDirectory(this, tr("Select a folder to add to the torrent"), QDir::homePath(), QFileDialog::ShowDirsOnly);
if(!dir.isEmpty())
textInputPath->setText(dir);
}
void createtorrent::on_addFile_button_clicked(){
QString file = QFileDialog::getOpenFileName(this, tr("Select a file to add to the torrent"), QDir::homePath(), QString(), 0, QFileDialog::ShowDirsOnly);
if(!file.isEmpty())
textInputPath->setText(file);
}
void createtorrent::on_removeTracker_button_clicked() {
QModelIndexList selectedIndexes = trackers_list->selectionModel()->selectedIndexes();
for(int i=selectedIndexes.size()-1; i>=0; --i){
QListWidgetItem *item = trackers_list->takeItem(selectedIndexes.at(i).row());
delete item;
}
}
int createtorrent::getPieceSize() const {
switch(comboPieceSize->currentIndex()) {
case 0:
return 32*1024;
case 1:
return 64*1024;
case 2:
return 128*1024;
case 3:
return 256*1024;
case 4:
return 512*1024;
case 5:
return 1024*1024;
case 6:
return 2048*1024;
default:
return 256*1024;
}
}
void createtorrent::on_addTracker_button_clicked() {
bool ok;
QString URL = QInputDialog::getText(this, tr("Please type an announce URL"),
tr("Announce URL:", "Tracker URL"), QLineEdit::Normal,
"http://", &ok);
if(ok){
if(trackers_list->findItems(URL, Qt::MatchFixedString).size() == 0)
trackers_list->addItem(URL);
}
}
void createtorrent::on_removeURLSeed_button_clicked(){
QModelIndexList selectedIndexes = URLSeeds_list->selectionModel()->selectedIndexes();
for(int i=selectedIndexes.size()-1; i>=0; --i){
QListWidgetItem *item = URLSeeds_list->takeItem(selectedIndexes.at(i).row());
delete item;
}
}
void createtorrent::on_addURLSeed_button_clicked(){
bool ok;
QString URL = QInputDialog::getText(this, tr("Please type a web seed url"),
tr("Web seed URL:"), QLineEdit::Normal,
"http://", &ok);
if(ok){
if(URLSeeds_list->findItems(URL, Qt::MatchFixedString).size() == 0)
URLSeeds_list->addItem(URL);
}
}
QStringList createtorrent::allItems(QListWidget *list){
QStringList res;
unsigned int nbItems = list->count();
for(unsigned int i=0; i< nbItems; ++i){
res << list->item(i)->text();
}
return res;
}
// Main function that create a .torrent file
void createtorrent::on_createButton_clicked(){
QString input = textInputPath->text().trimmed();
if (input.endsWith(QDir::separator()))
input.chop(1);
if(input.isEmpty()){
QMessageBox::critical(0, tr("No input path set"), tr("Please type an input path first"));
return;
}
QStringList trackers = allItems(trackers_list);
if(!trackers.size()){
QMessageBox::critical(0, tr("No tracker path set"), tr("Please set at least one tracker"));
return;
}
QString destination = QFileDialog::getSaveFileName(this, tr("Select destination torrent file"), QDir::homePath(), tr("Torrent Files")+QString::fromUtf8(" (*.torrent)"));
if(!destination.isEmpty()) {
if(!destination.endsWith(QString::fromUtf8(".torrent")))
destination += QString::fromUtf8(".torrent");
} else {
return;
}
QStringList url_seeds = allItems(URLSeeds_list);
QString comment = txt_comment->toPlainText();
creatorThread->create(input, destination, trackers, url_seeds, comment, check_private->isChecked(), getPieceSize());
}
void createtorrent::handleCreationFailure(QString msg) {
QMessageBox::information(0, tr("Torrent creation"), tr("Torrent creation was unsuccessful, reason: %1").arg(msg));
hide();
}
void createtorrent::handleCreationSuccess(QString path, const char* branch_path) {
if(checkStartSeeding->isChecked()) {
// Create save path file
boost::intrusive_ptr<torrent_info> t;
try {
t = new torrent_info(path.toUtf8().data());
} catch(std::exception&) {
QMessageBox::critical(0, tr("Torrent creation"), tr("Created torrent file is invalid. It won't be added to download list."));
return;
}
QString hash = misc::toQString(t->info_hash());
QFile savepath_file(misc::qBittorrentPath()+QString::fromUtf8("BT_backup")+QDir::separator()+hash+QString::fromUtf8(".savepath"));
savepath_file.open(QIODevice::WriteOnly | QIODevice::Text);
savepath_file.write(branch_path);
savepath_file.close();
emit torrent_to_seed(path);
}
QMessageBox::information(0, tr("Torrent creation"), tr("Torrent was created successfully:")+" "+path);
hide();
}
void createtorrent::updateProgressBar(int progress) {
progressBar->setValue(progress);
}
//
// Torrent Creator Thread
//
void torrentCreatorThread::create(QString _input_path, QString _save_path, QStringList _trackers, QStringList _url_seeds, QString _comment, bool _is_private, int _piece_size) {
input_path = _input_path;
save_path = _save_path;
trackers = _trackers;
url_seeds = _url_seeds;
comment = _comment;
is_private = _is_private;
piece_size = _piece_size;
abort = false;
start();
}
void sendProgressUpdateSignal(int i, int num, QDialog *parent){
((createtorrent*)parent)->updateProgressBar((int)(i*100./(float)num));
}
void torrentCreatorThread::run() {
emit updateProgress(0);
char const* creator_str = "qBittorrent "VERSION;
try {
file_storage fs;
file_pool fp;
path full_path = complete(path(input_path.toUtf8().data()));
// Adding files to the torrent
add_files(fs, full_path, file_filter);
if(abort) return;
create_torrent t(fs, piece_size);
// Add url seeds
QString seed;
foreach(seed, url_seeds){
t.add_url_seed(seed.toUtf8().data());
}
for(int i=0; i<trackers.size(); ++i){
t.add_tracker(trackers.at(i).toUtf8().data());
}
if(abort) return;
// calculate the hash for all pieces
set_piece_hashes(t, full_path.branch_path(), boost::bind<void>(&sendProgressUpdateSignal, _1, t.num_pieces(), parent));
// Set qBittorrent as creator and add user comment to
// torrent_info structure
t.set_creator(creator_str);
t.set_comment((const char*)comment.toUtf8());
// Is private ?
if(is_private){
t.set_priv(true);
}
if(abort) return;
// create the torrent and print it to out
ofstream out(complete(path((const char*)save_path.toUtf8())), std::ios_base::binary);
bencode(std::ostream_iterator<char>(out), t.generate());
emit updateProgress(100);
emit creationSuccess(save_path, full_path.branch_path().string().c_str());
}
catch (std::exception& e){
emit creationFailure(QString::fromUtf8(e.what()));
}
}