1// Copyright (C) 2022 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "bluezperipheralconnectionmanager_p.h"
5#include "device1_bluez5_p.h"
6
7#include <QtBluetooth/QBluetoothLocalDevice>
8#include <QtDBus/QDBusConnection>
9#include <QtCore/QLoggingCategory>
10
11QT_BEGIN_NAMESPACE
12
13Q_DECLARE_LOGGING_CATEGORY(QT_BT_BLUEZ)
14
15using namespace Qt::StringLiterals;
16using namespace QtBluetoothPrivate; // for D-Bus wrappers
17
18QtBluezPeripheralConnectionManager::QtBluezPeripheralConnectionManager(
19 const QBluetoothAddress& localAddress, QObject* parent)
20 : QObject(parent),
21 m_localDevice(new QBluetoothLocalDevice(localAddress, this))
22{
23 QObject::connect(sender: m_localDevice, signal: &QBluetoothLocalDevice::deviceDisconnected,
24 context: this, slot: &QtBluezPeripheralConnectionManager::remoteDeviceDisconnected);
25}
26
27void QtBluezPeripheralConnectionManager::remoteDeviceAccessEvent(
28 const QString& remoteDeviceObjectPath, quint16 mtu)
29{
30 if (m_clients.contains(key: remoteDeviceObjectPath))
31 return; // Already aware of the client
32
33 std::unique_ptr<OrgBluezDevice1Interface> device{new OrgBluezDevice1Interface(
34 "org.bluez"_L1, remoteDeviceObjectPath,
35 QDBusConnection::systemBus(), this)};
36
37 qCDebug(QT_BT_BLUEZ) << "New LE Gatt client connected: " << remoteDeviceObjectPath
38 << device->address() << device->name() << "mtu:" << mtu;
39
40 RemoteDeviceDetails details{.address: QBluetoothAddress{device->address()}, .name: device->name(), .mtu: mtu};
41
42 m_clients.insert(key: remoteDeviceObjectPath, value: details);
43 if (!m_connected) {
44 m_connected = true;
45 emit connectivityStateChanged(connected: true);
46 }
47 emit remoteDeviceChanged(address: details.address, name: details.name, mtu: details.mtu);
48}
49
50void QtBluezPeripheralConnectionManager::remoteDeviceDisconnected(const QBluetoothAddress& address)
51{
52 // Find if the disconnected device was gatt client
53 bool remoteDetailsChanged{false};
54 for (auto it = m_clients.begin(); it != m_clients.end(); it++) {
55 if (it.value().address == address) {
56 qCDebug(QT_BT_BLUEZ) << "LE Gatt client disconnected:" << address;
57 remoteDetailsChanged = true;
58 m_clients.remove(key: it.key());
59 break;
60 }
61 }
62
63 if (!remoteDetailsChanged)
64 return;
65
66 if (m_clients.isEmpty() && m_connected) {
67 m_connected = false;
68 emit connectivityStateChanged(connected: false);
69 }
70
71 // If a client disconnected but there are others, pick any other.
72 // Qt API doesn't distinguish between clients
73 if (!m_clients.isEmpty()) {
74 emit remoteDeviceChanged(address: m_clients.last().address,
75 name: m_clients.last().name, mtu: m_clients.last().mtu);
76 }
77}
78
79void QtBluezPeripheralConnectionManager::disconnectDevices()
80{
81 for (auto it = m_clients.begin(); it != m_clients.end(); it++) {
82 std::unique_ptr<OrgBluezDevice1Interface> device{new OrgBluezDevice1Interface(
83 "org.bluez"_L1, it.key(), QDBusConnection::systemBus())};
84 device->Disconnect();
85 }
86 reset();
87}
88
89void QtBluezPeripheralConnectionManager::reset()
90{
91 m_connected = false;
92 m_clients.clear();
93}
94
95QT_END_NAMESPACE
96
97#include "moc_bluezperipheralconnectionmanager_p.cpp"
98

source code of qtconnectivity/src/bluetooth/bluez/bluezperipheralconnectionmanager.cpp