Updated to final KDE3 ktorrent release (2.2.6)

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/ktorrent@1077377 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

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                                   *
+ *   joris.guisson@gmail.com                                               *
+ *                                                                         *
+ *   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"
+