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/*
receive a file on DCC protocol
begin: Mit Aug 7 2002
copyright: (C) 2002 by Dario Abatianni
email: eisfuchs@tigress.com
*/
// Copyright (C) 2004-2007 Shintaro Matsuoka <shin@shoegazed.org>
// Copyright (C) 2004,2005 John Tapsell <john@geola.co.uk>
/*
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.
*/
#ifndef DCCTRANSFERRECV_H
#define DCCTRANSFERRECV_H
#include "dcctransfer.h"
// TODO: remove the dependence
#include "dccresumedialog.h"
#include <tqptrlist.h>
class TQFile;
class TQTimer;
namespace KIO
{
class Job;
class TransferJob;
}
namespace KNetwork
{
class KServerSocket;
class KStreamSocket;
}
class DccTransferRecvWriteCacheHandler;
class DccTransferRecv : public DccTransfer
{
Q_OBJECT
public:
DccTransferRecv(TQObject* parent);
virtual ~DccTransferRecv();
// REQUIRED
void setPartnerIp( const TQString& ip );
// REQUIRED
void setPartnerPort( const TQString& port );
// REQUIRED
void setFileSize( unsigned long fileSize );
// OPTIONAL, if not specified, "unnamed_file"
// TODO: "$sendername-$receiveddate" is better
void setFileName( const TQString& fileName );
// OPTIONAL, if not specified, default folder + the file name
void setFileURL( const KURL& url );
// OPTIONAL
void setReverse( bool reverse, const TQString& reverseToken );
public slots:
virtual bool queue();
/** The user has accepted the download.
* Check we are saving it somewhere valid, create any directories needed, and
* connect to remote host.
*/
virtual void start();
/** The user has chosen to abort.
* Either by chosen to abort directly, or by choosing cancel when
* prompted for information on where to save etc.
* Not called when it fails due to another problem.
*/
virtual void abort();
void startResume( unsigned long position );
protected slots:
// Local KIO
void slotLocalCanResume( KIO::Job* job, KIO::filesize_t size );
void slotLocalGotResult( KIO::Job* job );
void slotLocalReady( KIO::Job* job );
void slotLocalWriteDone();
void slotLocalGotWriteError( const TQString& errorString );
// Remote DCC
void connectWithSender();
void startReceiving();
void connectionFailed( int errorCode );
void readData();
void sendAck();
void connectionTimeout();
void slotSocketClosed();
// Reverse DCC
void slotServerSocketReadyAccept();
void slotServerSocketGotError( int errorCode );
protected:
void cleanUp();
void failed(const TQString& errorMessage = TQString() );
// (startPosition == 0) means "don't resume"
void prepareLocalKio( bool overwrite, bool resume, KIO::fileoffset_t startPosition = 0 );
void askAndPrepareLocalKio( const TQString& message, int enabledActions, DccResumeDialog::ReceiveAction defaultAction, KIO::fileoffset_t startPosition = 0 );
/**
* This calls KIO::NetAccess::mkdir on all the subdirectories of dirURL, to
* create the given directory. Note that a url like file:/foo/bar will
* make sure both foo and bar are created. It assumes everything in the path is
* a directory.
* Note: If the directory already exists, returns true.
*
* @param dirURL A url for the directory to create.
* @return True if the directory now exists. False if there was a problem and the directory doesn't exist.
*/
bool createDirs(const KURL &dirURL) const;
void requestResume();
// for non-reverse DCC
void connectToSendServer();
// for reverse DCC
bool startListeningForSender();
void startConnectionTimer( int sec );
void stopConnectionTimer();
protected:
KURL m_saveToTmpFileURL;
///Current filesize of the file saved on the disk.
KIO::filesize_t m_saveToFileSize;
///Current filesize of the file+".part" saved on the disk.
KIO::filesize_t m_partialFileSize;
DccTransferRecvWriteCacheHandler* m_writeCacheHandler;
bool m_saveToFileExists;
bool m_partialFileExists;
TQTimer* m_connectionTimer;
KNetwork::KServerSocket* m_serverSocket;
KNetwork::KStreamSocket* m_recvSocket;
private:
virtual TQString getTypeText() const;
virtual TQPixmap getTypeIcon() const;
};
class DccTransferRecvWriteCacheHandler : public QObject
{
Q_OBJECT
public:
explicit DccTransferRecvWriteCacheHandler( KIO::TransferJob* transferJob );
virtual ~DccTransferRecvWriteCacheHandler();
void append( char* data, int size );
bool write( bool force );
void close();
void closeNow();
signals:
void dataFinished(); // -> m_transferJob->slotFinished()
void done(); // -> DccTransferRecv::writeDone()
// -> DccTransferRecv::slotWriteError()
void gotError( const TQString& errorString );
protected slots:
// <- m_transferJob->dataReq()
void slotKIODataReq( KIO::Job* job, TQByteArray& data );
void slotKIOResult( KIO::Job* job ); // <- m_transferJob->result()
protected:
KIO::TransferJob* m_transferJob;
bool m_writeAsyncMode;
bool m_writeReady;
TQValueList<TQByteArray> m_cacheList;
TQDataStream* m_cacheStream;
};
#endif // DCCTRANSFERRECV_H
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