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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "bluezperipheralconnectionmanager_p.h"
#include "device1_bluez5_p.h"
#include <QtBluetooth/QBluetoothLocalDevice>
#include <QtDBus/QDBusConnection>
#include <QtCore/QLoggingCategory>
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(QT_BT_BLUEZ)
using namespace Qt::StringLiterals;
using namespace QtBluetoothPrivate; // for D-Bus wrappers
QtBluezPeripheralConnectionManager::QtBluezPeripheralConnectionManager(
const QBluetoothAddress& localAddress, QObject* parent)
: QObject(parent),
m_localDevice(new QBluetoothLocalDevice(localAddress, this))
{
QObject::connect(m_localDevice, &QBluetoothLocalDevice::deviceDisconnected,
this, &QtBluezPeripheralConnectionManager::remoteDeviceDisconnected);
}
void QtBluezPeripheralConnectionManager::remoteDeviceAccessEvent(
const QString& remoteDeviceObjectPath, quint16 mtu)
{
if (m_clients.contains(remoteDeviceObjectPath))
return; // Already aware of the client
std::unique_ptr<OrgBluezDevice1Interface> device{new OrgBluezDevice1Interface(
"org.bluez"_L1, remoteDeviceObjectPath,
QDBusConnection::systemBus(), this)};
qCDebug(QT_BT_BLUEZ) << "New LE Gatt client connected: " << remoteDeviceObjectPath
<< device->address() << device->name() << "mtu:" << mtu;
RemoteDeviceDetails details{QBluetoothAddress{device->address()}, device->name(), mtu};
m_clients.insert(remoteDeviceObjectPath, details);
if (!m_connected) {
m_connected = true;
emit connectivityStateChanged(true);
}
emit remoteDeviceChanged(details.address, details.name, details.mtu);
}
void QtBluezPeripheralConnectionManager::remoteDeviceDisconnected(const QBluetoothAddress& address)
{
// Find if the disconnected device was gatt client
bool remoteDetailsChanged{false};
for (auto it = m_clients.begin(); it != m_clients.end(); it++) {
if (it.value().address == address) {
qCDebug(QT_BT_BLUEZ) << "LE Gatt client disconnected:" << address;
remoteDetailsChanged = true;
m_clients.remove(it.key());
break;
}
}
if (!remoteDetailsChanged)
return;
if (m_clients.isEmpty() && m_connected) {
m_connected = false;
emit connectivityStateChanged(false);
}
// If a client disconnected but there are others, pick any other.
// Qt API doesn't distinguish between clients
if (!m_clients.isEmpty()) {
emit remoteDeviceChanged(m_clients.last().address,
m_clients.last().name, m_clients.last().mtu);
}
}
void QtBluezPeripheralConnectionManager::disconnectDevices()
{
for (auto it = m_clients.begin(); it != m_clients.end(); it++) {
std::unique_ptr<OrgBluezDevice1Interface> device{new OrgBluezDevice1Interface(
"org.bluez"_L1, it.key(), QDBusConnection::systemBus())};
device->Disconnect();
}
reset();
}
void QtBluezPeripheralConnectionManager::reset()
{
m_connected = false;
m_clients.clear();
}
QT_END_NAMESPACE
#include "moc_bluezperipheralconnectionmanager_p.cpp"
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