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#ifndef SshFileTransferObject_h
#define SshFileTransferObject_h
/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This 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 software 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, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "Counter.h"
#include <QAbstractSocket>
#include <QByteArray>
#include <QObject>
#include <QString>
#include <QIODevice>
namespace Ssh
{
class BaseSocket;
class FileTransferObject: public QObject, private Base::Counter<FileTransferObject>
{
Q_OBJECT
public:
//* constructor
explicit FileTransferObject( QObject*, QString );
//*@name modifiers
//@{
//* set file size (for writing to remote)
/** it must be called before calling ::connect */
void setFileSize( qint64 fileSize )
{ fileSize_ = fileSize; }
using QObject::connect;
//* connect to remote file
bool connect( void*, QIODevice::OpenMode );
//* read (remote to local)
bool fromRemote( void*, QString );
//* read (remote to local)
bool fromRemote( void*, QIODevice* );
//* write (local to remote)
bool toRemote( void*, QString );
//* write (local to remote)
bool toRemote( void*, QIODevice* );
//* wait for connected
/** warning, this method is blocking */
bool waitForConnected( int msecs = 30000 );
//* wait for transfered
/** warning, this method is blocking */
bool waitForCompleted( int msecs = 30000 );
//@}
//*@name accessors
//@{
//* file size
qint64 fileSize() const
{ return fileSize_; }
//* bytes written
qint64 bytesTransferred() const
{ return bytesTransferred_; }
//* connection state
enum State
{
Uninitialized = 0,
Connected = 1 << 0,
Completed = 1 << 1,
Failed = 1 << 2
};
Q_DECLARE_FLAGS( StateMask, State );
//* state
StateMask state() const
{ return state_; }
//* true when remote file socket is connected
bool isConnected() const
{ return state_&Connected; }
//* true when transfer is completed
bool isCompleted() const
{ return state_&Completed; }
//* true when transfer has failed
bool isFailed() const
{ return state_&Failed; }
//* error string
QString errorString() const
{ return error_; }
//@}
Q_SIGNALS:
//* transfer percentage
void transferred( qint64 size, qint64 transferred );
//* error message
void error( QString );
//* debug message
void debug( QString );
//* emited when transfer is completed
void completed();
//* emited when transfer has failed
void failed();
protected Q_SLOTS:
//* process error
void _processError( QAbstractSocket::SocketError );
//* mark as connected
void _setConnected();
//* prepare reading
void _prepareReading();
//* read from ssh socket
void _readFromSocket();
//* write to ssh socket
void _writeToSocket();
//* close source file, once reading is finished
void _closeSourceFile();
//* close socket
void _closeSocket();
private:
//* set completed
void _setCompleted()
{
if( !(state_ & Completed ) )
{
state_ |= Completed;
emit completed();
}
}
//* set failed
void _setFailed()
{
if( !(state_ & Failed) )
{
state_ |= StateMask(Failed|Completed);
emit failed();
}
}
//* destination
QString remoteFilename_;
//* file size
qint64 fileSize_ = 0;
//* bytes read
qint64 bytesTransferred_ = 0;
//* source file
QIODevice* localDevice_ = nullptr;
//* true if source device is owned by us
bool deviceOwned_ = false;
//* read socket
BaseSocket* sshSocket_ = nullptr;
//* state
StateMask state_ = Uninitialized;
//* error string
QString error_;
//* buffer
QByteArray buffer_;
//* max buffer size
qint64 maxSize_ = 16384;
};
}
Q_DECLARE_OPERATORS_FOR_FLAGS( Ssh::FileTransferObject::StateMask );
#endif
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