ftpcontrolchannel.h

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++ // Copyright (C) 2023 The Qt Company Ltd.

++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

++

++ #ifndef FTPCONTROLCHANNEL_H

++ #define FTPCONTROLCHANNEL_H

++

++ #include <QtNetwork/qhostaddress.h>

++ #include <QtNetwork/qtcpsocket.h>

++ #include <QtCore/qobject.h>

++

++ class FtpControlChannel : public QObject

++ {

++     Q_OBJECT

++ public:

++     explicit FtpControlChannel(QObject *parent = nullptr);

++

++     // Connect to an FTP server

++     void connectToServer(const QString &server);

++

++     // Send a command to the server

++     void command(const QByteArray &command, const QByteArray &params);

++

++ public slots:

++     void error(QAbstractSocket::SocketError);

++

++ signals:

++

++     // Connection established. Local address and port are known.

++     void opened(const QHostAddress &localAddress, int localPort);

++

++     // Connection closed

++     void closed();

++

++     // Informational message

++     void info(const QByteArray &info);

++

++     // Reply to a previously sent command

++     void reply(int code, const QByteArray &parameters);

++

++     // Something is wrong

++     void invalidReply(const QByteArray &reply);

++

++ private:

++     void onReadyRead();

++

++     QTcpSocket m_socket;

++     QByteArray m_buffer;

++ };

++

++ #endif // FTPCONTROLCHANNEL_H