1// Copyright (C) 2016 Alexander Volkov <a.volkov@rusbitech.ru>
2// Copyright (C) 2016 The Qt Company Ltd.
3// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
4
5#include "iiosensorproxysensorbase.h"
6#include "sensorproxy_interface.h"
7#include "properties_interface.h"
8
9#include <QtDBus/QDBusConnection>
10#include <QtDBus/QDBusServiceWatcher>
11#include <QtDBus/QDBusConnectionInterface>
12
13#include <time.h>
14
15quint64 IIOSensorProxySensorBase::produceTimestamp()
16{
17 struct timespec tv;
18 int ok;
19
20#ifdef CLOCK_MONOTONIC_RAW
21 ok = clock_gettime(CLOCK_MONOTONIC_RAW, tp: &tv);
22 if (ok != 0)
23#endif
24 ok = clock_gettime(CLOCK_MONOTONIC, tp: &tv);
25 Q_ASSERT(ok == 0);
26
27 quint64 result = (tv.tv_sec * 1000000ULL) + (tv.tv_nsec * 0.001); // scale to microseconds
28 return result;
29}
30
31IIOSensorProxySensorBase::IIOSensorProxySensorBase(const QString& dbusPath, const QString dbusIface, QSensor *sensor)
32 : QSensorBackend(sensor)
33 , m_dbusInterface(dbusIface)
34{
35 QDBusServiceWatcher *watcher = new QDBusServiceWatcher(serviceName(), QDBusConnection::systemBus(),
36 QDBusServiceWatcher::WatchForRegistration |
37 QDBusServiceWatcher::WatchForUnregistration, this);
38 connect(sender: watcher, SIGNAL(serviceRegistered(QString)),
39 receiver: this, SLOT(serviceRegistered()));
40 connect(sender: watcher, SIGNAL(serviceUnregistered(QString)),
41 receiver: this, SLOT(serviceUnregistered()));
42
43 m_serviceRunning = QDBusConnection::systemBus().interface()->isServiceRegistered(serviceName: serviceName());
44
45 m_propertiesInterface = new OrgFreedesktopDBusPropertiesInterface(serviceName(), dbusPath,
46 QDBusConnection::systemBus(), this);
47 connect(m_propertiesInterface, SIGNAL(PropertiesChanged(QString,QVariantMap,QStringList)),
48 this, SLOT(propertiesChanged(QString,QVariantMap,QStringList)));
49}
50
51IIOSensorProxySensorBase::~IIOSensorProxySensorBase()
52{
53}
54
55QString IIOSensorProxySensorBase::serviceName() const
56{
57 return QLatin1String("net.hadess.SensorProxy");
58}
59
60void IIOSensorProxySensorBase::serviceRegistered()
61{
62 m_serviceRunning = true;
63}
64
65void IIOSensorProxySensorBase::serviceUnregistered()
66{
67 m_serviceRunning = false;
68 sensorStopped();
69}
70
71void IIOSensorProxySensorBase::propertiesChanged(const QString &interface,
72 const QVariantMap &changedProperties,
73 const QStringList &/*invalidatedProperties*/)
74{
75 if (interface == m_dbusInterface)
76 updateProperties(changedProperties);
77}
78

source code of qtsensors/src/plugins/sensors/iio-sensor-proxy/iiosensorproxysensorbase.cpp