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/****************************************************************************
**
** Copyright (C) 2017 Witekio.
** Copyright (C) 2018 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 QCOAPPROTOCOL_P_H
#define QCOAPPROTOCOL_P_H
#include <QtCoap/qcoapprotocol.h>
#include <QtCore/qvector.h>
#include <QtCore/qqueue.h>
#include <QtCore/qpointer.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
struct CoapExchangeData {
QPointer<QCoapReply> userReply;
QSharedPointer<QCoapInternalRequest> request;
QVector<QSharedPointer<QCoapInternalReply> > replies;
};
typedef QMap<QByteArray, CoapExchangeData> CoapExchangeMap;
class Q_AUTOTEST_EXPORT QCoapProtocolPrivate : public QObjectPrivate
{
public:
QCoapProtocolPrivate() = default;
quint16 generateUniqueMessageId() const;
QCoapToken generateUniqueToken() const;
QCoapInternalReply *decode(const QByteArray &data, const QHostAddress &sender);
void sendAcknowledgment(QCoapInternalRequest *request) const;
void sendReset(QCoapInternalRequest *request) const;
void sendRequest(QCoapInternalRequest *request, const QString& host = QString()) const;
void onLastMessageReceived(QCoapInternalRequest *request, const QHostAddress &sender);
void onRequestError(QCoapInternalRequest *request, QCoapInternalReply *reply);
void onRequestError(QCoapInternalRequest *request, QtCoap::Error error,
QCoapInternalReply *reply = nullptr);
void onRequestTimeout(QCoapInternalRequest *request);
void onRequestMaxTransmissionSpanReached(QCoapInternalRequest *request);
void onMulticastRequestExpired(QCoapInternalRequest *request);
void onFrameReceived(const QByteArray &data, const QHostAddress &sender);
void onConnectionError(QAbstractSocket::SocketError error);
void onRequestAborted(const QCoapToken &token);
bool isMessageIdRegistered(quint16 id) const;
bool isTokenRegistered(const QCoapToken &token) const;
bool isRequestRegistered(const QCoapInternalRequest *request) const;
QCoapInternalRequest *requestForToken(const QCoapToken &token) const;
QPointer<QCoapReply> userReplyForToken(const QCoapToken &token) const;
QVector<QSharedPointer<QCoapInternalReply>> repliesForToken(const QCoapToken &token) const;
QCoapInternalReply *lastReplyForToken(const QCoapToken &token) const;
QCoapInternalRequest *findRequestByMessageId(quint16 messageId) const;
QCoapInternalRequest *findRequestByUserReply(const QCoapReply *reply) const;
void registerExchange(const QCoapToken &token, QCoapReply *reply,
QSharedPointer<QCoapInternalRequest> request);
bool addReply(const QCoapToken &token, QSharedPointer<QCoapInternalReply> reply);
bool forgetExchange(const QCoapToken &token);
bool forgetExchange(const QCoapInternalRequest *request);
bool forgetExchangeReplies(const QCoapToken &token);
CoapExchangeMap exchangeMap;
quint16 blockSize = 0;
uint maxRetransmit = 4;
uint ackTimeout = 2000;
uint maxServerResponseDelay = 250 * 1000;
double ackRandomFactor = 1.5;
Q_DECLARE_PUBLIC(QCoapProtocol)
};
QT_END_NAMESPACE
#endif // QCOAPPROTOCOL_P_H
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