nymea/libnymea-core/hardware/bluetoothlowenergy/bluetoothlowenergymanagerim...

241 lines
9.8 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright 2013 - 2020, nymea GmbH
* Contact: contact@nymea.io
*
* This file is part of nymea.
* This project including source code and documentation is protected by
* copyright law, and remains the property of nymea GmbH. All rights, including
* reproduction, publication, editing and translation, are reserved. The use of
* this project is subject to the terms of a license agreement to be concluded
* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
* under https://nymea.io/license
*
* GNU General Public License Usage
* Alternatively, this project may be redistributed and/or modified under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, GNU version 3. This project is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this project. If not, see <https://www.gnu.org/licenses/>.
*
* For any further details and any questions please contact us under
* contact@nymea.io or see our FAQ/Licensing Information on
* https://nymea.io/license/faq
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "bluetoothlowenergymanagerimplementation.h"
#include "loggingcategories.h"
#include "nymeabluetoothagent.h"
#include "bluetoothpairingjobimplementation.h"
#include <QDBusConnection>
#include <QDBusConnectionInterface>
#include <QDBusReply>
#include <QDBusInterface>
namespace nymeaserver {
BluetoothLowEnergyManagerImplementation::BluetoothLowEnergyManagerImplementation(PluginTimer *reconnectTimer, QObject *parent) :
BluetoothLowEnergyManager(parent),
m_reconnectTimer(reconnectTimer)
{
// QBluetooth hangs for the D-Bus timeout if BlueZ is not available. In order to avoid that, let's first check
// ourselves if bluez is registered on D-Bus.
QDBusReply<QStringList> reply = QDBusConnection::systemBus().interface()->registeredServiceNames();
if (!reply.isValid()) {
qWarning(dcBluetooth()) << "Unable to query D-Bus for bluez:" << reply.error().message();
return;
}
const QStringList services = reply.value();
if (!services.contains("org.bluez")) {
qCWarning(dcBluetooth()) << "BlueZ not found on D-Bus. Skipping Bluetooth initialisation.";
return;
}
m_agent = new NymeaBluetoothAgent(this);
foreach (const QBluetoothHostInfo &hostInfo, QBluetoothLocalDevice::allDevices()) {
qCDebug(dcBluetooth()) << "Enabling bluetooth adapter:" << hostInfo.name() << hostInfo.address().toString();
QBluetoothLocalDevice localDevice(hostInfo.address());
localDevice.powerOn();
localDevice.setHostMode(QBluetoothLocalDevice::HostDiscoverable);
}
qCDebug(dcHardware()) << "-->" << name() << "created successfully.";
m_available = true;
}
BluetoothDiscoveryReply *BluetoothLowEnergyManagerImplementation::discoverDevices(int timeout)
{
BluetoothDiscoveryReplyImplementation *reply = new BluetoothDiscoveryReplyImplementation(this);
if (!available()) {
qCWarning(dcBluetooth()) << "is not avilable.";
reply->setError(BluetoothDiscoveryReplyImplementation::BluetoothDiscoveryReplyErrorNotAvailable);
reply->setFinished();
return reply;
}
if (!enabled()) {
qCWarning(dcBluetooth()) << "is not enabled.";
reply->setError(BluetoothDiscoveryReplyImplementation::BluetoothDiscoveryReplyErrorNotEnabled);
reply->setFinished();
return reply;
}
if (QBluetoothLocalDevice::allDevices().isEmpty()) {
qCWarning(dcBluetooth()) << "No Bluetooth adapter available.";
reply->setError(BluetoothDiscoveryReplyImplementation::BluetoothDiscoveryReplyErrorNotAvailable);
reply->setFinished();
return reply;
}
// Create a scanner for each adapter
foreach (const QBluetoothHostInfo &hostInfo, QBluetoothLocalDevice::allDevices()) {
qCDebug(dcBluetooth()) << "Starting discovery on adapter:" << hostInfo.name() << hostInfo.address().toString();
QBluetoothLocalDevice localDevice(hostInfo.address());
localDevice.powerOn();
localDevice.setHostMode(QBluetoothLocalDevice::HostDiscoverable);
QBluetoothDeviceDiscoveryAgent *discoveryAgent = new QBluetoothDeviceDiscoveryAgent(hostInfo.address(), reply);
discoveryAgent->setLowEnergyDiscoveryTimeout(qMax(5000, qMin(30000, timeout)));
connect(discoveryAgent, &QBluetoothDeviceDiscoveryAgent::deviceDiscovered, reply, [=](const QBluetoothDeviceInfo &info){
// Note: only show low energy devices
if (info.coreConfigurations() & QBluetoothDeviceInfo::LowEnergyCoreConfiguration) {
qCDebug(dcBluetooth()) << "device discovered" << info.name() << info.address().toString();
reply->addDiscoveredDevice(info, hostInfo);
}
});
connect(discoveryAgent, &QBluetoothDeviceDiscoveryAgent::finished, reply, [=](){
qCDebug(dcBluetooth()) << "Discovery finished";
reply->setFinished();
});
// connect(discoveryAgent, SIGNAL(error(QBluetoothDeviceDiscoveryAgent::Error)), this, SLOT(onDiscoveryError(QBluetoothDeviceDiscoveryAgent::Error)));
discoveryAgent->start();
}
return reply;
}
BluetoothPairingJob *BluetoothLowEnergyManagerImplementation::pairDevice(const QBluetoothAddress &device, const QBluetoothAddress &adapter)
{
qCDebug(dcBluetooth()) << "pairDevice";
BluetoothPairingJobImplementation *job = new BluetoothPairingJobImplementation(m_agent, device, this);
QBluetoothLocalDevice *localDevice = nullptr;
if (adapter.isNull()) {
localDevice = new QBluetoothLocalDevice(this);
} else {
localDevice = new QBluetoothLocalDevice(adapter, this);
}
if (!localDevice->isValid()) {
qCWarning(dcBluetooth()) << "Local device" << adapter.toString() << "is not valid";
job->finish(false);
return job;
}
localDevice->requestPairing(device, QBluetoothLocalDevice::AuthorizedPaired);
connect(localDevice, &QBluetoothLocalDevice::error, job, [=](QBluetoothLocalDevice::Error error){
qCDebug(dcBluetooth()) << "Pairing error" << error;
job->finish(false);
localDevice->deleteLater();
});
connect(localDevice, &QBluetoothLocalDevice::pairingFinished, job, [=](const QBluetoothAddress &address, QBluetoothLocalDevice::Pairing pairing){
qCDebug(dcBluetooth()) << "Pairing finished" << address.toString() << pairing;
job->finish(true);
localDevice->deleteLater();
});
return job;
}
void BluetoothLowEnergyManagerImplementation::unpairDevice(const QBluetoothAddress &device, const QBluetoothAddress &adapter)
{
QBluetoothLocalDevice *localDevice = nullptr;
if (adapter.isNull()) {
localDevice = new QBluetoothLocalDevice(this);
} else {
localDevice = new QBluetoothLocalDevice(adapter, this);
}
if (!localDevice->isValid()) {
qCWarning(dcBluetooth()) << "Local device" << adapter.toString() << "is not valid";
return;
}
localDevice->requestPairing(device, QBluetoothLocalDevice::Unpaired);
}
BluetoothLowEnergyDevice *BluetoothLowEnergyManagerImplementation::registerDevice(const QBluetoothDeviceInfo &deviceInfo, const QLowEnergyController::RemoteAddressType &addressType)
{
QPointer<BluetoothLowEnergyDeviceImplementation> bluetoothDevice = new BluetoothLowEnergyDeviceImplementation(deviceInfo, addressType, this);
qCDebug(dcBluetooth()) << "Register device" << bluetoothDevice->name() << bluetoothDevice->address().toString();
m_devices.append(bluetoothDevice);
return bluetoothDevice.data();
}
void BluetoothLowEnergyManagerImplementation::unregisterDevice(BluetoothLowEnergyDevice *bluetoothDevice)
{
QPointer<BluetoothLowEnergyDevice> devicePointer(bluetoothDevice);
if (devicePointer.isNull()) {
qCWarning(dcBluetooth()) << "Cannot unregister bluetooth device. Looks like the device is already unregistered.";
return;
}
qCDebug(dcBluetooth()) << "Unregister device" << bluetoothDevice->name() << bluetoothDevice->address().toString();
foreach (QPointer<BluetoothLowEnergyDeviceImplementation> dPointer, m_devices) {
if (devicePointer.data() == dPointer.data()) {
m_devices.removeAll(dPointer);
dPointer->deleteLater();
}
}
}
bool BluetoothLowEnergyManagerImplementation::available() const
{
return m_available;
}
bool BluetoothLowEnergyManagerImplementation::enabled() const
{
return m_enabled;
}
void BluetoothLowEnergyManagerImplementation::setEnabled(bool enabled)
{
qCDebug(dcBluetooth()) << "Set" << (enabled ? "enabled" : "disabled");
if (m_enabled && enabled) {
qCDebug(dcBluetooth()) << "Already enabled.";
return;
} else if (!m_enabled && !enabled) {
qCDebug(dcBluetooth()) << "Already disabled.";
return;
}
foreach (QBluetoothHostInfo info, QBluetoothLocalDevice::allDevices()) {
QBluetoothLocalDevice localDevice(info.address());
if (enabled) {
localDevice.setHostMode(QBluetoothLocalDevice::HostConnectable);
} else {
localDevice.setHostMode(QBluetoothLocalDevice::HostPoweredOff);
}
}
m_enabled = enabled;
emit enabledChanged(m_enabled);
}
void BluetoothLowEnergyManagerImplementation::onReconnectTimeout()
{
// Reconnect device if enabled and disconnected
foreach (BluetoothLowEnergyDevice *device, m_devices) {
if (device->autoConnecting() && !device->connected()) {
device->connectDevice();
}
}
}
}