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q3ftp.h

/****************************************************************************
**
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**
** This file is part of the Qt3Support module of the Qt Toolkit.
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** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
** your option) use any later version of the GNU General Public
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** (or its successors, if any) and the KDE Free Qt Foundation. In
** addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
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#ifndef Q3FTP_H
#define Q3FTP_H

#include <QtCore/qstring.h> // char*->QString conversion
#include <QtNetwork/qurlinfo.h>
#include <Qt3Support/q3networkprotocol.h>

QT_BEGIN_HEADER

QT_MODULE(Qt3Support)

#ifndef QT_NO_NETWORKPROTOCOL_FTP

class Q3Socket;
class Q3FtpCommand;

00060 class Q_COMPAT_EXPORT Q3Ftp : public Q3NetworkProtocol
{
    Q_OBJECT

public:
    Q3Ftp(); // ### Qt 4.0: get rid of this overload
    Q3Ftp( QObject *parent, const char *name=0 );
    virtual ~Q3Ftp();

    int supportedOperations() const;

    // non-Q3NetworkProtocol functions:
00072     enum State {
      Unconnected,
      HostLookup,
      Connecting,
      Connected,
      LoggedIn,
      Closing
    };
00080     enum Error {
      NoError,
      UnknownError,
      HostNotFound,
      ConnectionRefused,
      NotConnected
    };
00087     enum Command {
      None,
      ConnectToHost,
      Login,
      Close,
      List,
      Cd,
      Get,
      Put,
      Remove,
      Mkdir,
      Rmdir,
      Rename,
      RawCommand
    };

    int connectToHost( const QString &host, Q_UINT16 port=21 );
    int login( const QString &user=QString(), const QString &password=QString() );
    int close();
    int list( const QString &dir=QString() );
    int cd( const QString &dir );
    int get( const QString &file, QIODevice *dev=0 );
    int put( const QByteArray &data, const QString &file );
    int put( QIODevice *dev, const QString &file );
    int remove( const QString &file );
    int mkdir( const QString &dir );
    int rmdir( const QString &dir );
    int rename( const QString &oldname, const QString &newname );

    int rawCommand( const QString &command );

    Q_ULONG bytesAvailable() const;
    Q_LONG readBlock( char *data, Q_ULONG maxlen );
    QByteArray readAll();

    int currentId() const;
    QIODevice* currentDevice() const;
    Command currentCommand() const;
    bool hasPendingCommands() const;
    void clearPendingCommands();

    State state() const;

    Error error() const;
    QString errorString() const;

public Q_SLOTS:
    void abort();

Q_SIGNALS:
    void stateChanged( int );
    void listInfo( const QUrlInfo& );
    void readyRead();
    void dataTransferProgress( int, int );
    void rawCommandReply( int, const QString& );

    void commandStarted( int );
    void commandFinished( int, bool );
    void done( bool );

protected:
    void parseDir( const QString &buffer, QUrlInfo &info ); // ### Qt 4.0: delete this? (not public API)
    void operationListChildren( Q3NetworkOperation *op );
    void operationMkDir( Q3NetworkOperation *op );
    void operationRemove( Q3NetworkOperation *op );
    void operationRename( Q3NetworkOperation *op );
    void operationGet( Q3NetworkOperation *op );
    void operationPut( Q3NetworkOperation *op );

    // ### Qt 4.0: delete these
    // unused variables:
    Q3Socket *commandSocket, *dataSocket;
    bool connectionReady, passiveMode;
    int getTotalSize, getDoneSize;
    bool startGetOnFail;
    int putToWrite, putWritten;
    bool errorInListChildren;

private:
    void init();
    int addCommand( Q3FtpCommand * );

    bool checkConnection( Q3NetworkOperation *op );

private Q_SLOTS:
    void startNextCommand();
    void piFinished( const QString& );
    void piError( int, const QString& );
    void piConnectState( int );
    void piFtpReply( int, const QString& );

private Q_SLOTS:
    void npListInfo( const QUrlInfo & );
    void npDone( bool );
    void npStateChanged( int );
    void npDataTransferProgress( int, int );
    void npReadyRead();

protected Q_SLOTS:
    // ### Qt 4.0: delete these
    void hostFound();
    void connected();
    void closed();
    void dataHostFound();
    void dataConnected();
    void dataClosed();
    void dataReadyRead();
    void dataBytesWritten( int nbytes );
    void error( int );
};

#endif // QT_NO_NETWORKPROTOCOL_FTP

QT_END_HEADER

#endif // Q3FTP_H

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