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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef FTPDATACHANNEL_H
#define FTPDATACHANNEL_H
#include <QtCore/qobject.h>
#include <QtNetwork/qtcpserver.h>
#include <QtNetwork/qtcpsocket.h>
#include <memory>
class FtpDataChannel : public QObject
{
Q_OBJECT
public:
explicit FtpDataChannel(QObject *parent = nullptr);
// Listen on a local address.
void listen(const QHostAddress &address = QHostAddress::Any);
// Send data over the socket.
void sendData(const QByteArray &data);
// Close the connection.
void close();
// Retrieve the port specification to be announced on the control channel.
// Something like "a,b,c,d,xxx,yyy" where
// - a.b.c.d would be the IP address in decimal/dot notation and
// - xxx,yyy are the upper and lower 8 bits of the TCP port in decimal
// (This will only work if the local address we're listening on
// is actually meaningful)
QString portspec() const;
signals:
// The FTP server has sent some data.
void dataReceived(const QByteArray &data);
private:
QTcpServer m_server;
std::unique_ptr<QTcpSocket> m_socket;
};
#endif // FTPDATACHANNEL_H
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