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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 <QtCore/QLoggingCategory>
#include "qlowenergyserviceinfo_p.h"
#include "qlowenergycharacteristicinfo.h"
#include "qlowenergycharacteristicinfo_p.h"
#include "qlowenergyprocess_p.h"
#include <btapi/btdevice.h>
#include <btapi/btgatt.h>
#include <btapi/btspp.h>
#include <btapi/btle.h>
#include <errno.h>
#include <QPointer>
#include "qnx/ppshelpers_p.h"
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(QT_BT_QNX)
void QLowEnergyServiceInfoPrivate::serviceConnected(const char *bdaddr, const char *service, int instance, int err, short unsigned int connInt, short unsigned int latency, short unsigned int superTimeout, void *userData)
{
Q_UNUSED(latency);
Q_UNUSED(connInt);
Q_UNUSED(superTimeout);
QPointer<QLowEnergyServiceInfoPrivate> *classPointer = static_cast<QPointer<QLowEnergyServiceInfoPrivate> *>(userData);
QLowEnergyServiceInfoPrivate *p = classPointer->data();
qCDebug(QT_BT_QNX) << "---------------------------------------------------";
qCDebug(QT_BT_QNX) << "[SERVICE: Connected] (service uuid, instance):" << p->uuid << instance;
qCDebug(QT_BT_QNX) << "[SERVICE: Connected] Device address: " << bdaddr;
qCDebug(QT_BT_QNX) << "[SERVICE: Connected] Device service: " << service;
qCDebug(QT_BT_QNX) << "[SERVICE: Connected] Possible error: " << err;
if (err != 0) {
qCDebug(QT_BT_QNX) << "An error occurred in service connected callback: " << strerror(err);
p->errorString = QString::fromLatin1(strerror(err));
p->error(p->uuid);
}
p->characteristicList.clear();
bt_gatt_characteristic_t* data;
data = (bt_gatt_characteristic_t*) malloc(sizeof(bt_gatt_characteristic_t));
if (0 == data) {
qCDebug(QT_BT_QNX) << "[SERVICE: Connected] GATT characteristics: Not enough memory";
bt_gatt_disconnect_instance(instance);
p->errorString = QStringLiteral("GATT characteristics: Not enough memory");
p->error(p->uuid);
return;
}
int num_characteristics = bt_gatt_characteristics_count(instance);
if (num_characteristics > -1) {
qCDebug(QT_BT_QNX) << "Characteristics number: "<< num_characteristics;
bt_gatt_characteristic_t *allCharacteristicList;
allCharacteristicList = (bt_gatt_characteristic_t*) malloc(num_characteristics * sizeof(bt_gatt_characteristic_t));
if (0 == allCharacteristicList) {
qCDebug(QT_BT_QNX) <<" GATT characteristics: Not enough memory";
bt_gatt_disconnect_instance(instance);
p->errorString = QStringLiteral("GATT characteristics: Not enough memory");
p->error(p->uuid);
return;
}
/* BEGIN WORKAROUND - Temporary fix to address race condition */
int number = 0;
do {
number = bt_gatt_characteristics(instance, allCharacteristicList, num_characteristics);
} while ((number == -1) && (errno== EBUSY));
//Using sub to subscribe notification callback only once
bool sub = false;
int characteristicListSize = number;
for (int i = 0; i < characteristicListSize; i++) {
qCDebug(QT_BT_QNX) << "Characteristic: uuid,handle,value_handle, properties:" << allCharacteristicList[i].uuid << "," << allCharacteristicList[i].handle << "," << allCharacteristicList[i].value_handle << ", " << allCharacteristicList[i].properties;
QString charUuid = QString::fromLatin1(allCharacteristicList[i].uuid);
QString handleUuid;
handleUuid.setNum(allCharacteristicList[i].value_handle);
QBluetoothUuid characteristicUuid;
if (charUuid.toUShort(0,0) == 0) {
charUuid = charUuid.remove(0,2);
characteristicUuid = QBluetoothUuid(charUuid);
}
else
characteristicUuid = QBluetoothUuid(charUuid.toUShort(0,0));
QVariantMap map;
QLowEnergyCharacteristicInfo characteristicInfo(characteristicUuid);
characteristicInfo.d_ptr->handle = handleUuid;
characteristicInfo.d_ptr->instance = instance;
characteristicInfo.d_ptr->characteristic = allCharacteristicList[i];
characteristicInfo.d_ptr->permission = allCharacteristicList[i].properties;
map[QStringLiteral("uuid")] = characteristicUuid.toString();
map[QStringLiteral("handle")] = handleUuid;
map[QStringLiteral("permission")] = characteristicInfo.d_ptr->permission;
characteristicInfo.d_ptr->properties = map;
characteristicInfo.d_ptr->readDescriptors();
characteristicInfo.d_ptr->readValue();
//Subscribe only once since it is static function
if (sub == false) {
int rc = bt_gatt_reg_notifications(instance, &(characteristicInfo.d_ptr->serviceNotification));
if (rc != 0) {
qCDebug(QT_BT_QNX) << "[SERVICE: Connected] bt_gatt_reg_notifications failed." << errno << strerror(errno);
p->errorString = QString::fromLatin1(strerror(errno));
p->error(p->uuid);
}
else
qCDebug(QT_BT_QNX) << "[SERVICE: Connected] bt_gatt_reg_notifications was presumably OK";
sub = true;
}
p->characteristicList.append(characteristicInfo);
}
if (allCharacteristicList != NULL) {
free(allCharacteristicList);
allCharacteristicList = NULL;
}
/* END WORKAROUND */
}
p->connected = true;
qCDebug(QT_BT_QNX) << p;
emit p->connectedToService(p->uuid);
qCDebug(QT_BT_QNX) << "---------------------------------------------------------------------------------";
}
void QLowEnergyServiceInfoPrivate::serviceUpdate(const char *bdaddr, int instance, short unsigned int connInt, short unsigned int latency, short unsigned int superTimeout, void *userData)
{
Q_UNUSED(latency);
Q_UNUSED(connInt);
Q_UNUSED(superTimeout);
Q_UNUSED(userData);
qCDebug(QT_BT_QNX) << "---------------------------------------------------";
qCDebug(QT_BT_QNX) << "[SERVICE: Update] (instance):" << instance;
qCDebug(QT_BT_QNX) << "[SERVICE: Update] Device address: " << bdaddr;
qCDebug(QT_BT_QNX) << "---------------------------------------------------";
}
void QLowEnergyServiceInfoPrivate::serviceDisconnected(const char *bdaddr, const char *service, int instance, int reason, void *userData)
{
QPointer<QLowEnergyServiceInfoPrivate> *classPointer = static_cast<QPointer<QLowEnergyServiceInfoPrivate> *>(userData);
QLowEnergyServiceInfoPrivate *p = classPointer->data();
emit p->disconnectedFromService(p->uuid);
qCDebug(QT_BT_QNX) << "---------------------------------------------------";
qCDebug(QT_BT_QNX) << "[SERVICE: Disconnect] (service, instance, reason):" << service << instance << reason;
qCDebug(QT_BT_QNX) << "[SERVICE: Disconnect] Device address: " << bdaddr;
qCDebug(QT_BT_QNX) << "---------------------------------------------------";
delete p;
delete classPointer;
}
QLowEnergyServiceInfoPrivate::QLowEnergyServiceInfoPrivate():
errorString(QString()), m_instance(0)
{
qRegisterMetaType<QBluetoothUuid>("QBluetoothUuid");
}
QLowEnergyServiceInfoPrivate::~QLowEnergyServiceInfoPrivate()
{
}
void QLowEnergyServiceInfoPrivate::registerServiceWatcher()
{
bt_gatt_callbacks_t gatt_callbacks = { &(this->serviceConnected), this->serviceDisconnected, this->serviceUpdate };
errno=0;
process = process->instance();
if (!process->isConnected()) {
qCDebug(QT_BT_QNX) << "[INIT] Init problem." << errno << strerror(errno);
errorString = QStringLiteral("Initialization of device falied. ") + QString::fromLatin1(strerror(errno));
emit error(uuid);
return;
}
errno=0;
if (bt_gatt_init(&gatt_callbacks) < 0) {
qCDebug(QT_BT_QNX) << "[INIT] GAT Init problem." << errno << strerror(errno);
errorString = QStringLiteral("Callbacks initialization failed. ") + QString::fromLatin1(strerror(errno));
emit error(uuid);
return;
}
if (bt_le_init(0) != EOK) {
qWarning() << "LE initialization failure " << errno;
}
QPointer<QLowEnergyServiceInfoPrivate> *classPointer = new QPointer<QLowEnergyServiceInfoPrivate>(this);
process->addPointer(classPointer->data());
QString serviceUuid = uuid.toString().remove(QLatin1Char('{')).remove(QLatin1Char('}'));
if (serviceUuid.contains(QStringLiteral("000000000000")))
serviceUuid = QStringLiteral("0x") + serviceUuid.toUpper();
else
serviceUuid = QStringLiteral("0x") + serviceUuid[4] + serviceUuid[5] + serviceUuid[6] + serviceUuid[7];
errno=0;
bt_gatt_conn_parm_t conParm;
conParm.minConn = 0x30;
conParm.maxConn = 0x50;
conParm.latency = 0;
conParm.superTimeout = 50;
if (bt_gatt_connect_service(deviceInfo.address().toString().toLocal8Bit().constData(), serviceUuid.toLocal8Bit().constData(), 0, &conParm, classPointer) < 0) {
qCDebug(QT_BT_QNX) << "[SERVICE] Connection to service failed." << errno << strerror(errno);
errorString = QStringLiteral("[SERVICE] Connection to service failed.") + QString::fromLatin1(strerror(errno));
emit error(uuid);
}
qCDebug(QT_BT_QNX) << "errno after connect: " << errno;
}
void QLowEnergyServiceInfoPrivate::unregisterServiceWatcher()
{
QString serviceUuid = uuid.toString().remove(QLatin1Char('{')).remove(QLatin1Char('}'));
if (serviceUuid.contains(QStringLiteral("000000000000")))
serviceUuid = QStringLiteral("0x") + serviceUuid.toUpper();
else
serviceUuid = QStringLiteral("0x") + serviceUuid[4] + serviceUuid[5] + serviceUuid[6] + serviceUuid[7];
if (bt_gatt_disconnect_service(deviceInfo.address().toString().toLocal8Bit().constData(), serviceUuid.toLocal8Bit().constData()) < 0) {
qCDebug(QT_BT_QNX) << "[SERVICE] Disconnect service request failed. " << errno << strerror(errno);
emit error(uuid);
} else {
emit disconnectedFromService(uuid);
qCDebug(QT_BT_QNX) << "[SERVICE] Disconnected from service OK.";
}
}
bool QLowEnergyServiceInfoPrivate::valid()
{
return true;
}
QT_END_NAMESPACE
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