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/***************************************************************************
**
** Copyright (C) 2013 BlackBerry Limited all rights reserved
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtBluetooth module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qlowenergyserviceinfo_p.h"
#include "qlowenergyserviceinfo.h"
#include "qlowenergycharacteristicinfo.h"
#include "qlowenergycharacteristicinfo_p.h"
#include "qlowenergyprocess_p.h"
#include "qbluetoothlocaldevice.h"
#include "bluez/characteristic_p.h"
#include "qlowenergydescriptorinfo.h"
#include "qlowenergydescriptorinfo_p.h"
//#define QT_LOWENERGYSERVICE_DEBUG
#ifdef QT_LOWENERGYSERVICE_DEBUG
#include <QtCore/QDebug>
#endif
QT_BEGIN_NAMESPACE
QLowEnergyServiceInfoPrivate::QLowEnergyServiceInfoPrivate():
serviceType(QLowEnergyServiceInfo::PrimaryService), connected(false), characteristic(0), m_valueCounter(0), m_readCounter(0)
{
m_step = 0;
randomAddress = false;
QBluetoothLocalDevice localDevice;
adapterAddress = localDevice.address();
}
QLowEnergyServiceInfoPrivate::QLowEnergyServiceInfoPrivate(const QString &servicePath):
serviceType(QLowEnergyServiceInfo::PrimaryService), connected(false), path(servicePath), characteristic(0)
{
m_step = 0;
randomAddress = false;
}
QLowEnergyServiceInfoPrivate::~QLowEnergyServiceInfoPrivate()
{
delete characteristic;
}
void QLowEnergyServiceInfoPrivate::registerServiceWatcher()
{
characteristicList.clear();
process = process->instance();
if (!process->isConnected()) {
connect(process, SIGNAL(replySend(const QString &)), this, SLOT(replyReceived(const QString &)));
QString command;
if (randomAddress)
command = QStringLiteral("gatttool -i ") + adapterAddress.toString() + QStringLiteral(" -b ") + deviceInfo.address().toString() +QStringLiteral(" -I -t random");
else
command = QStringLiteral("gatttool -i ") + adapterAddress.toString() + QStringLiteral(" -b ") + deviceInfo.address().toString() + QStringLiteral(" -I");
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << "[REGISTER] uuid inside: " << uuid << command;
#endif
process->startCommand(command);
process->addConnection();
}
else {
m_step++;
connect(process, SIGNAL(replySend(const QString &)), this, SLOT(replyReceived(const QString &)));
}
}
void QLowEnergyServiceInfoPrivate::unregisterServiceWatcher()
{
if (connected) {
process = process->instance();
//process->executeCommand(QStringLiteral("disconnect"));
//process->executeCommand(QStringLiteral("\n"));
//process->executeCommand(QStringLiteral("exit"));
//process->executeCommand(QStringLiteral("\n"));
process->endProcess();
connected = false;
m_step = 0;
m_valueCounter = 0;
disconnect(process, SIGNAL(replySend(const QString &)), this, SLOT(replyReceived(const QString &)));
emit disconnectedFromService(uuid);
}
}
void QLowEnergyServiceInfoPrivate::replyReceived(const QString &reply)
{
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << uuid << "m step: " << m_step << reply;
#endif
bool stepSet = false;
switch (m_step) {
case 0:
connectToTerminal();
break;
case 1:
if (reply.contains(QStringLiteral("[CON]"))) {
connected = true;
setHandles();
}
else {
connected = false;
if (reply.contains(QStringLiteral("Connection refused (111)"))) {
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << "Connection refused (111)";
#endif
errorString = QStringLiteral("Connection refused (111)");
emit error(uuid);
}
else if (reply.contains(QStringLiteral("Device busy"))) {
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << "Device busy";
#endif
errorString = QStringLiteral("Connection refused (111)");
emit error(uuid);
}
}
break;
case 2:
if (reply.contains(QStringLiteral("attr")) && reply.contains(QStringLiteral("uuid"))){
QStringList chars = reply.split(QStringLiteral("\n"));
for (int i = 1; i<chars.size(); i++){
if (chars.at(i).contains(QStringLiteral("attr")) && chars.at(i).contains(QStringLiteral("uuid"))){
QStringList l = chars.at(i).split(QRegularExpression(QStringLiteral("\\W+")), QString::SkipEmptyParts);
QString checkUuid = l.at(8) + QStringLiteral("-") + l.at(9) + QStringLiteral("-") + l.at(10) + QStringLiteral("-") + l.at(11) + QStringLiteral("-") + l.at(12);
if ( checkUuid == uuid.toString().remove(QLatin1Char('{')).remove(QLatin1Char('}'))) {
startingHandle = l.at(2);
endingHandle = l.at(6);
stepSet = true;
}
}
}
if (stepSet)
setCharacteristics();
}
break;
case 3:
stepSet = false;
if (reply.contains(QStringLiteral("char")) && reply.contains(QStringLiteral("uuid"))) {
QStringList chars = reply.split(QStringLiteral("\n"));
for (int i = 1; i<chars.size(); i++){
if (chars.at(i).contains(QStringLiteral("char")) && chars.at(i).contains(QStringLiteral("uuid"))){
QStringList l = chars.at(i).split(QRegularExpression(QStringLiteral("\\W+")), QString::SkipEmptyParts);
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() <<l;
#endif
QString charHandle = l.at(8);
if ( charHandle.toUShort(0,0) >= startingHandle.toUShort(0,0) && charHandle.toUShort(0,0) <= endingHandle.toUShort(0,0)) {
QString uuidParts = l.at(10) + "-" + l.at(11) + "-" + l.at(12) + "-" + l.at(13) + "-" + l.at(14);
QBluetoothUuid charUuid(uuidParts);
QVariantMap map = QVariantMap();
QLowEnergyCharacteristicInfo chars(charUuid);
chars.d_ptr->handle = charHandle;
chars.d_ptr->startingHandle = l.at(1);
QString perm = l.at(4);
chars.d_ptr->permission = perm.toUShort(0,0);
map[QStringLiteral("uuid")] = charUuid.toString();
map[QStringLiteral("handle")] = charHandle;
map[QStringLiteral("permission")] = chars.d_ptr->permission;
chars.d_ptr->properties = map;
if ((chars.d_ptr->permission & QLowEnergyCharacteristicInfo::Read) == 0) {
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << "GATT characteristic: Read not permitted: " << chars.d_ptr->uuid;
#endif
}
else
m_readCounter++;
characteristicList.append(chars);
stepSet = true;
}
}
}
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << "COUNTER : " << m_readCounter;
#endif
if ( stepSet )
setNotifications();
}
break;
case 4:
stepSet = false;
if (reply.contains(QStringLiteral("handle")) && reply.contains(QStringLiteral("value"))) {
QStringList chars = reply.split(QStringLiteral("\n"));
for (int i = 1; i<chars.size(); i++){
if (chars.at(i).contains(QStringLiteral("handle")) && chars.at(i).contains(QStringLiteral("value"))){
QStringList l = chars.at(i).split(QRegularExpression(QStringLiteral("\\W+")), QString::SkipEmptyParts);
if (!characteristicList.isEmpty()) {
for (int j = 0; j < (characteristicList.size()-1); j++) {
QLowEnergyCharacteristicInfo chars((QLowEnergyCharacteristicInfo)characteristicList.at(j));
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << l.at(1) << l.at(1).toUShort(0,0)<< chars.handle() << chars.handle().toUShort(0,0);
#endif
QLowEnergyCharacteristicInfo charsNext = (QLowEnergyCharacteristicInfo)characteristicList.at(j+1);
if (l.at(1).toUShort(0,0) > chars.handle().toUShort(0,0) && l.at(1).toUShort(0,0) < charsNext.handle().toUShort(0,0)) {
chars.d_ptr->notificationHandle = l.at(1);
chars.d_ptr->notification = true;
QString notUuid = QStringLiteral("0x2902");
QBluetoothUuid descUuid(notUuid.toUShort(0,0));
QLowEnergyDescriptorInfo descriptor(descUuid, l.at(1));
QString val = QStringLiteral("");
for (int k = 0; k < l.size(); k++)
val = val + l.at(k);
descriptor.d_ptr->m_value = val.toUtf8();
QVariantMap map = QVariantMap();
map[QStringLiteral("uuid")] = descUuid.toString();
map[QStringLiteral("handle")] = l.at(1);
map[QStringLiteral("value")] = val.toUtf8();
characteristicList[j].d_ptr->descriptorsList.append(descriptor);
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << "Notification characteristic set." << chars.d_ptr->handle << chars.d_ptr->notificationHandle;
#endif
}
}
}
}
}
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << "COUNTER : " << m_readCounter;
#endif
if (m_readCounter > 0)
readCharacteristicValue();
else {
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << "Ready to emit connected signal" << uuid;
#endif
m_step = 6;
connected = true;
emit connectedToService(uuid);
}
}
break;
case 5:
// This part is for reading characteristic values
if (reply.contains(QStringLiteral("handle")) && reply.contains(QStringLiteral("value"))) {
QStringList chars = reply.split(QStringLiteral("\n"));
for (int i = 1; i<chars.size(); i++){
if (chars.at(i).contains(QStringLiteral("handle")) && chars.at(i).contains(QStringLiteral("value"))){
QStringList l = chars.at(i).split(QRegularExpression(QStringLiteral("\\W+")), QString::SkipEmptyParts);
if (!characteristicList.isEmpty()) {
for (int j = 0; j < characteristicList.size(); j++) {
QLowEnergyCharacteristicInfo chars((QLowEnergyCharacteristicInfo)characteristicList.at(j));
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << l.at(1) << l.at(1).toUShort(0,0)<< chars.handle() << chars.handle().toUShort(0,0);
#endif
if (((QString)l.at(1)).toUShort(0,0) == chars.handle().toUShort(0,0)) {
QString value = QStringLiteral("");
for ( int k = 3; k < l.size(); k++)
value = value + l.at(k);
characteristicList[j].d_ptr->value = value.toUtf8();
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << "Characteristic value set." << chars.d_ptr->handle << value;
#endif
m_valueCounter++;
}
}
}
}
}
if (m_valueCounter == m_readCounter) {
m_step++;
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << "Ready to emit connected signal" << uuid;
#endif
connected = true;
emit connectedToService(uuid);
}
}
break;
default:
break;
}
}
void QLowEnergyServiceInfoPrivate::connectToTerminal()
{
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << "[CONNECT TO TERMINAL] uuid inside: " << uuid;
#endif
process->executeCommand(QStringLiteral("connect"));
process->executeCommand(QStringLiteral("\n"));
m_step++;
}
void QLowEnergyServiceInfoPrivate::setHandles()
{
QString command = QStringLiteral("primary ");
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << "Setting handles: " << command;
#endif
process->executeCommand(command);
process->executeCommand(QStringLiteral("\n"));
m_step++;
}
void QLowEnergyServiceInfoPrivate::setCharacteristics()
{
QString command = QStringLiteral("characteristics ") + startingHandle + QStringLiteral(" ") + endingHandle;
#ifdef QT_LOWENERGYSERVICE_DEBUG
qDebug() << "Setting characteristics: " <<command;
#endif
process->executeCommand(command);
process->executeCommand(QStringLiteral("\n"));
m_step++;
}
void QLowEnergyServiceInfoPrivate::setNotifications()
{
QString command = QStringLiteral("char-read-uuid 2902");
process->executeCommand(command);
process->executeCommand(QStringLiteral("\n"));
m_step++;
}
void QLowEnergyServiceInfoPrivate::readCharacteristicValue()
{
for (int i = 0; i < characteristicList.size(); i++) {
if ((characteristicList.at(i).d_ptr->permission & QLowEnergyCharacteristicInfo::Read) != 0) {
QString uuidHandle = characteristicList.at(i).uuid().toString().remove(QLatin1Char('{')).remove(QLatin1Char('}'));
QString command = QStringLiteral("char-read-uuid ") + uuidHandle;
process->executeCommand(command);
process->executeCommand(QStringLiteral("\n"));
}
}
m_step++;
}
void QLowEnergyServiceInfoPrivate::readDescriptors()
{
QString command = QStringLiteral("char-desc ") + startingHandle + QStringLiteral(" ") + endingHandle;
process->executeCommand(command);
process->executeCommand(QStringLiteral("\n"));
m_step++;
}
bool QLowEnergyServiceInfoPrivate::valid()
{
if (adapterAddress == QBluetoothAddress())
return false;
return true;
}
QT_END_NAMESPACE
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