diff options
Diffstat (limited to 'plugins/partfileimport/importdialog.cpp')
-rw-r--r-- | plugins/partfileimport/importdialog.cpp | 389 |
1 files changed, 389 insertions, 0 deletions
diff --git a/plugins/partfileimport/importdialog.cpp b/plugins/partfileimport/importdialog.cpp new file mode 100644 index 0000000..22f9a4b --- /dev/null +++ b/plugins/partfileimport/importdialog.cpp @@ -0,0 +1,389 @@ +/*************************************************************************** + * Copyright (C) 2005 by Joris Guisson * + * [email protected] * + * * + * 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. * + ***************************************************************************/ +#include <kurl.h> +#include <klocale.h> +#include <kprogress.h> +#include <kurlrequester.h> +#include <kpushbutton.h> +#include <kmessagebox.h> +#include <kio/job.h> +#include <kio/jobclasses.h> +#include <util/log.h> +#include <util/error.h> +#include <util/file.h> +#include <util/fileops.h> +#include <util/functions.h> +#include <torrent/globals.h> +#include <torrent/torrent.h> +#include <torrent/chunkmanager.h> +#include <interfaces/coreinterface.h> +#include "importdialog.h" +#include <datachecker/singledatachecker.h> +#include <datachecker/multidatachecker.h> + +using namespace bt; + +namespace kt +{ + ImportDialog::ImportDialog(CoreInterface* core,QWidget* parent, const char* name, bool modal, WFlags fl) + : ImportDlgBase(parent,name, modal,fl),DataCheckerListener(false),core(core) + { + KURLRequester* r = m_torrent_url; + r->setMode(KFile::File|KFile::LocalOnly); + r->setFilter("*.torrent|" + i18n("Torrent files") + "\n*|" + i18n("All files")); + + r = m_data_url; + r->setMode(KFile::File|KFile::Directory|KFile::LocalOnly); + + connect(m_import_btn,SIGNAL(clicked()),this,SLOT(onImport())); + connect(m_cancel_btn,SIGNAL(clicked()),this,SLOT(reject())); + m_progress->setEnabled(false); + } + + ImportDialog::~ImportDialog() + {} + + void ImportDialog::progress(Uint32 num,Uint32 total) + { + m_progress->setTotalSteps(total); + m_progress->setProgress(num); + } + + void ImportDialog::status(Uint32 ,Uint32 ) + { + // don't care + } + + void ImportDialog::finished() + { + // only used for check in separate thread, so does not apply for the import plugin + } + + void ImportDialog::import(Torrent & tor) + { + // get the urls + KURL tor_url = KURL::fromPathOrURL(m_torrent_url->url()); + KURL data_url = KURL::fromPathOrURL(m_data_url->url()); + + // now we need to check the data + DataChecker* dc = 0; + if (tor.isMultiFile()) + dc = new MultiDataChecker(); + else + dc = new SingleDataChecker(); + + try + { + dc->setListener(this); + dc->check(data_url.path(),tor,QString::null); + } + catch (Error & e) + { + delete dc; + KMessageBox::error(this,i18n("Cannot verify data : %1").arg(e.toString()),i18n("Error")); + reject(); + return; + } + + // find a new torrent dir and make it if necessary + QString tor_dir = core->findNewTorrentDir(); + if (!tor_dir.endsWith(bt::DirSeparator())) + tor_dir += bt::DirSeparator(); + + try + { + if (!bt::Exists(tor_dir)) + bt::MakeDir(tor_dir); + + // write the index file + writeIndex(tor_dir + "index",dc->getDownloaded()); + + // copy the torrent file + bt::CopyFile(tor_url.prettyURL(),tor_dir + "torrent"); + + Uint64 imported = calcImportedBytes(dc->getDownloaded(),tor); + + // make the cache + if (tor.isMultiFile()) + { + QValueList<Uint32> dnd_files; + bool dnd = false; + // first make tor_dir/cache/ + QString cache_dir = tor_dir + "cache" + bt::DirSeparator(); + QString dnd_dir = tor_dir + "dnd" + bt::DirSeparator(); + if (!bt::Exists(cache_dir)) + MakeDir(cache_dir); + if (!bt::Exists(dnd_dir)) + MakeDir(dnd_dir); + + + // make all sub symlinks + for (Uint32 i = 0;i < tor.getNumFiles();i++) + { + linkTorFile(cache_dir,dnd_dir,data_url,tor.getFile(i).getPath(),dnd); + if (dnd) + dnd_files.append(i); + dnd = false; + } + + QString durl = data_url.path(); + if (durl.endsWith(bt::DirSeparator())) + durl = durl.left(durl.length() - 1); + int ds = durl.findRev(bt::DirSeparator()); + if (durl.mid(ds+1) == tor.getNameSuggestion()) + { + durl = durl.left(ds); + saveStats(tor_dir + "stats",KURL::fromPathOrURL(durl),imported,false); + } + else + { + saveStats(tor_dir + "stats",KURL::fromPathOrURL(durl),imported,true); + } + saveFileInfo(tor_dir + "file_info",dnd_files); + } + else + { + // single file, just symlink the data_url to tor_dir/cache + bt::SymLink(data_url.path(),tor_dir + "cache"); + QString durl = data_url.path(); + int ds = durl.findRev(bt::DirSeparator()); + durl = durl.left(ds); + saveStats(tor_dir + "stats",durl,imported,false); + } + + // everything went OK, so load the whole shabang and start downloading + core->loadExistingTorrent(tor_dir); + } + catch (Error & e) + { + // delete tor_dir + bt::Delete(tor_dir,true); + delete dc; + KMessageBox::error(this,e.toString(),i18n("Error")); + reject(); + return; + } + + delete dc; + accept(); + } + + void ImportDialog::onTorrentGetReult(KIO::Job* j) + { + if (j->error()) + { + j->showErrorDialog(this); + reject(); + } + else + { + KIO::StoredTransferJob* stj = (KIO::StoredTransferJob*)j; + Torrent tor; + + // try to load the torrent + try + { + tor.load(stj->data(),false); + } + catch (Error & e) + { + KMessageBox::error(this,i18n("Cannot load the torrent file : %1").arg(e.toString()), + i18n("Error")); + reject(); + return; + } + import(tor); + } + } + + void ImportDialog::onImport() + { + m_progress->setEnabled(true); + m_import_btn->setEnabled(false); + m_cancel_btn->setEnabled(false); + m_torrent_url->setEnabled(false); + m_data_url->setEnabled(false); + + KURL tor_url = KURL::fromPathOrURL(m_torrent_url->url()); + if (!tor_url.isLocalFile()) + { + // download the torrent file + KIO::StoredTransferJob* j = KIO::storedGet(tor_url); + connect(j,SIGNAL(result(KIO::Job* )),this,SLOT(onTorrentGetReult(KIO::Job*))); + } + else + { + KURL tor_url = KURL::fromPathOrURL(m_torrent_url->url()); + Torrent tor; + + // try to load the torrent + try + { + tor.load(tor_url.path(),false); + } + catch (Error & e) + { + KMessageBox::error(this,i18n("Cannot load the torrent file : %1").arg(e.toString()), + i18n("Error")); + reject(); + return; + } + import(tor); + } + } + + void ImportDialog::writeIndex(const QString & file,const BitSet & chunks) + { + // first try to open it + File fptr; + if (!fptr.open(file,"wb")) + throw Error(i18n("Cannot open %1 : %2").arg(file).arg(fptr.errorString())); + + // write all chunks to the file + for (Uint32 i = 0;i < chunks.getNumBits();i++) + { + if (!chunks.get(i)) + continue; + + // we have the chunk so write a NewChunkHeader struct to the file + NewChunkHeader hdr; + hdr.index = i; + hdr.deprecated = 0; + fptr.write(&hdr,sizeof(NewChunkHeader)); + } + } + + void ImportDialog::linkTorFile(const QString & cache_dir,const QString & dnd_dir, + const KURL & data_url,const QString & fpath,bool & dnd) + { + QStringList sl = QStringList::split(bt::DirSeparator(),fpath); + + // create all necessary subdirs + QString ctmp = cache_dir; + QString otmp = data_url.path(); + if (!otmp.endsWith(bt::DirSeparator())) + otmp += bt::DirSeparator(); + + QString dtmp = dnd_dir; + for (Uint32 i = 0;i < sl.count() - 1;i++) + { + otmp += sl[i]; + ctmp += sl[i]; + dtmp += sl[i]; + // we need to make the same directory structure in the cache + // as the output dir + if (!bt::Exists(ctmp)) + MakeDir(ctmp); + if (!bt::Exists(otmp)) + MakeDir(otmp); + if (!bt::Exists(dtmp)) + MakeDir(dtmp); + otmp += bt::DirSeparator(); + ctmp += bt::DirSeparator(); + dtmp += bt::DirSeparator(); + } + + QString dfile = otmp + sl.last(); + if (!bt::Exists(dfile)) + { + // when we start the torrent the user will be asked what to do + // bt::SymLink(dfile,cache_dir + fpath); + dnd = false; + } + else + { + // just symlink the existing file + bt::SymLink(dfile,cache_dir + fpath); + dnd = false; + } + } + + void ImportDialog::saveStats(const QString & stats_file,const KURL & data_url,Uint64 imported,bool custom_output_name) + { + QFile fptr(stats_file); + if (!fptr.open(IO_WriteOnly)) + { + Out(SYS_PFI|LOG_IMPORTANT) << "Warning : can't create stats file" << endl; + return; + } + + QTextStream out(&fptr); + out << "OUTPUTDIR=" << data_url.path() << ::endl; + out << "UPLOADED=0" << ::endl; + out << "RUNNING_TIME_DL=0" << ::endl; + out << "RUNNING_TIME_UL=0" << ::endl; + out << "PRIORITY=0" << ::endl; + out << "AUTOSTART=1" << ::endl; + if (core->getGlobalMaxShareRatio() > 0) + out << QString("MAX_RATIO=%1").arg(core->getGlobalMaxShareRatio(),0,'f',2) << ::endl; + out << QString("IMPORTED=%1").arg(imported) << ::endl; + if (custom_output_name) + out << "CUSTOM_OUTPUT_NAME=1" << endl; + } + + Uint64 ImportDialog::calcImportedBytes(const bt::BitSet & chunks,const Torrent & tor) + { + Uint64 nb = 0; + Uint64 ls = tor.getFileLength() % tor.getChunkSize(); + if (ls == 0) + ls = tor.getChunkSize(); + + for (Uint32 i = 0;i < chunks.getNumBits();i++) + { + if (!chunks.get(i)) + continue; + + if (i == chunks.getNumBits() - 1) + nb += ls; + else + nb += tor.getChunkSize(); + } + return nb; + } + + void ImportDialog::saveFileInfo(const QString & file_info_file,QValueList<Uint32> & dnd) + { + // saves which TorrentFile's do not need to be downloaded + File fptr; + if (!fptr.open(file_info_file,"wb")) + { + Out(SYS_PFI|LOG_IMPORTANT) << "Warning : Can't save chunk_info file : " << fptr.errorString() << endl; + return; + } + + ; + + // first write the number of excluded ones + Uint32 tmp = dnd.count(); + fptr.write(&tmp,sizeof(Uint32)); + // then all the excluded ones + for (Uint32 i = 0;i < dnd.count();i++) + { + tmp = dnd[i]; + fptr.write(&tmp,sizeof(Uint32)); + } + fptr.flush(); + } +} + + + +#include "importdialog.moc" + |