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/****************************************************************************
**
** Copyright (C) 2013 Javier de San Pedro <dev.git@javispedro.com>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtBluetooth module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef GATOATTCLIENT_H
#define GATOATTCLIENT_H
#include <QtCore/QObject>
#include <QtCore/QQueue>
#include "gatosocket.h"
#include "gatouuid.h"
QT_BEGIN_NAMESPACE
class GatoAttClient : public QObject
{
Q_OBJECT
public:
explicit GatoAttClient(QObject *parent = 0);
~GatoAttClient();
GatoSocket::State state() const;
bool connectTo(const GatoAddress& addr);
void close();
struct InformationData
{
GatoHandle handle;
GatoUUID uuid;
};
struct HandleInformation
{
GatoHandle start;
GatoHandle end;
};
struct AttributeData
{
GatoHandle handle;
QByteArray value;
};
struct AttributeGroupData
{
GatoHandle start;
GatoHandle end;
QByteArray value;
};
int mtu() const;
uint request(int opcode, const QByteArray &data, QObject *receiver, const char *member);
uint requestExchangeMTU(quint16 client_mtu, QObject *receiver, const char *member);
uint requestFindInformation(GatoHandle start, GatoHandle end, QObject *receiver, const char *member);
uint requestFindByTypeValue(GatoHandle start, GatoHandle end, const GatoUUID &uuid, const QByteArray& value, QObject *receiver, const char *member);
uint requestReadByType(GatoHandle start, GatoHandle end, const GatoUUID &uuid, QObject *receiver, const char *member);
uint requestRead(GatoHandle handle, QObject *receiver, const char *member);
uint requestReadByGroupType(GatoHandle start, GatoHandle end, const GatoUUID &uuid, QObject *receiver, const char *member);
uint requestWrite(GatoHandle handle, const QByteArray &value, QObject *receiver, const char *member);
void cancelRequest(uint id);
void command(int opcode, const QByteArray &data);
void commandWrite(GatoHandle handle, const QByteArray &value);
Q_SIGNALS:
void connected();
void disconnected();
void attributeUpdated(GatoHandle handle, const QByteArray &value, bool confirmed);
private:
struct Request
{
uint id;
quint8 opcode;
QByteArray pkt;
QObject *receiver;
QByteArray member;
};
void sendARequest();
bool handleEvent(const QByteArray &event);
bool handleResponse(const Request& req, const QByteArray &response);
QList<InformationData> parseInformationData(const QByteArray &data);
QList<HandleInformation> parseHandleInformation(const QByteArray &data);
QList<AttributeData> parseAttributeData(const QByteArray &data);
QList<AttributeGroupData> parseAttributeGroupData(const QByteArray &data);
private Q_SLOTS:
void handleSocketConnected();
void handleSocketDisconnected();
void handleSocketReadyRead();
void handleServerMTU(uint req, quint16 server_mtu);
private:
GatoSocket *socket;
quint16 cur_mtu;
uint next_id;
QQueue<Request> pending_requests;
};
QT_END_NAMESPACE
#endif // GATOATTCLIENT_H
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