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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCoap module.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QCOAPCONNECTION_P_H
#define QCOAPCONNECTION_P_H
#include <QtCoap/qcoapnamespace.h>
#include <QtCoap/qcoapsecurityconfiguration.h>
#include <QtCore/qqueue.h>
#include <QtCore/qobject.h>
#include <QtNetwork/qabstractsocket.h>
#include <private/qobject_p.h>
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
QT_BEGIN_NAMESPACE
class QCoapConnectionPrivate;
class Q_AUTOTEST_EXPORT QCoapConnection : public QObject
{
Q_OBJECT
public:
enum class ConnectionState : quint8 {
Unconnected,
Bound
};
explicit QCoapConnection(QtCoap::SecurityMode securityMode = QtCoap::SecurityMode::NoSec,
QObject *parent = nullptr);
virtual ~QCoapConnection();
bool isSecure() const;
QtCoap::SecurityMode securityMode() const;
ConnectionState state() const;
QCoapSecurityConfiguration securityConfiguration() const;
Q_INVOKABLE void setSecurityConfiguration(const QCoapSecurityConfiguration &configuration);
Q_INVOKABLE void disconnect();
Q_SIGNALS:
void error(QAbstractSocket::SocketError error);
void readyRead(const QByteArray &data, const QHostAddress &sender);
void bound();
void securityConfigurationChanged();
private:
void startToSendRequest();
protected:
QCoapConnection(QObjectPrivate &dd, QObject *parent = nullptr);
virtual void bind(const QString &host, quint16 port) = 0;
virtual void writeData(const QByteArray &data, const QString &host, quint16 port) = 0;
virtual void close() = 0;
private:
friend class QCoapProtocolPrivate;
Q_DECLARE_PRIVATE(QCoapConnection)
};
struct CoapFrame {
QByteArray currentPdu;
QString host;
quint16 port = 0;
CoapFrame(const QByteArray &pdu, const QString &hostName, quint16 portNumber)
: currentPdu(pdu), host(hostName), port(portNumber) {}
};
class Q_AUTOTEST_EXPORT QCoapConnectionPrivate : public QObjectPrivate
{
public:
QCoapConnectionPrivate(QtCoap::SecurityMode security = QtCoap::SecurityMode::NoSec);
~QCoapConnectionPrivate() override = default;
void sendRequest(const QByteArray &request, const QString &host, quint16 port);
QCoapSecurityConfiguration securityConfiguration;
QtCoap::SecurityMode securityMode;
QCoapConnection::ConnectionState state;
QQueue<CoapFrame> framesToSend;
Q_DECLARE_PUBLIC(QCoapConnection)
};
QT_END_NAMESPACE
#endif // QCOAPCONNECTION_P_H
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