Revision control

++ // Copyright (C) 2016 Alex Trotsenko <alex1973tr@gmail.com>
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #ifndef PROVIDER_H
++ #define PROVIDER_H
++
++ #include <QObject>
++
++ QT_BEGIN_NAMESPACE
++ class QSctpSocket;
++ class QByteArray;
++ QT_END_NAMESPACE
++
++ class Provider : public QObject
++ {
++ Q_OBJECT
++
++ public:
++ explicit inline Provider(QObject *parent = nullptr) : QObject(parent) { }
++
++ virtual void readDatagram(QSctpSocket &, const QByteArray &) { }
++ virtual void newConnection(QSctpSocket &) { }
++ virtual void clientDisconnected(QSctpSocket &) { }
++
++ signals:
++ void writeDatagram(QSctpSocket *to, const QByteArray &ba);
++ };
++
++ #endif