1// Copyright (C) 2017 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#ifndef QLOWENERGYCONTROLLERPRIVATEDBUS_P_H
5#define QLOWENERGYCONTROLLERPRIVATEDBUS_P_H
6
7
8//
9// W A R N I N G
10// -------------
11//
12// This file is not part of the Qt API. It exists purely as an
13// implementation detail. This header file may change from version to
14// version without notice, or even be removed.
15//
16// We mean it.
17//
18
19#include "qlowenergycontroller.h"
20#include "qlowenergycontrollerbase_p.h"
21#include "qleadvertiser_bluezdbus_p.h"
22
23#include <QtDBus/QDBusObjectPath>
24
25class OrgBluezAdapter1Interface;
26class OrgBluezBattery1Interface;
27class OrgBluezDevice1Interface;
28class OrgBluezGattCharacteristic1Interface;
29class OrgBluezGattDescriptor1Interface;
30class OrgBluezGattService1Interface;
31class OrgFreedesktopDBusObjectManagerInterface;
32class OrgFreedesktopDBusPropertiesInterfaceBluetooth;
33
34QT_BEGIN_NAMESPACE
35
36class QtBluezPeripheralApplication;
37class QtBluezPeripheralConnectionManager;
38class QDBusPendingCallWatcher;
39
40class QLowEnergyControllerPrivateBluezDBus final : public QLowEnergyControllerPrivate
41{
42 Q_OBJECT
43public:
44 QLowEnergyControllerPrivateBluezDBus(const QString& adapterPathWithPeripheralSupport = {});
45 ~QLowEnergyControllerPrivateBluezDBus() override;
46
47 void init() override;
48 void connectToDevice() override;
49 void disconnectFromDevice() override;
50
51 void discoverServices() override;
52 void discoverServiceDetails(const QBluetoothUuid &service,
53 QLowEnergyService::DiscoveryMode mode) override;
54
55 void readCharacteristic(
56 const QSharedPointer<QLowEnergyServicePrivate> service,
57 const QLowEnergyHandle charHandle) override;
58 void readDescriptor(
59 const QSharedPointer<QLowEnergyServicePrivate> service,
60 const QLowEnergyHandle charHandle,
61 const QLowEnergyHandle descriptorHandle) override;
62
63 void writeCharacteristic(
64 const QSharedPointer<QLowEnergyServicePrivate> service,
65 const QLowEnergyHandle charHandle,
66 const QByteArray &newValue,
67 QLowEnergyService::WriteMode writeMode) override;
68 void writeDescriptor(
69 const QSharedPointer<QLowEnergyServicePrivate> service,
70 const QLowEnergyHandle charHandle,
71 const QLowEnergyHandle descriptorHandle,
72 const QByteArray &newValue) override;
73
74 void startAdvertising(
75 const QLowEnergyAdvertisingParameters &params,
76 const QLowEnergyAdvertisingData &advertisingData,
77 const QLowEnergyAdvertisingData &scanResponseData) override;
78 void stopAdvertising() override;
79
80 void requestConnectionUpdate(
81 const QLowEnergyConnectionParameters & params) override;
82 void addToGenericAttributeList(
83 const QLowEnergyServiceData &service,
84 QLowEnergyHandle startHandle) override;
85
86 int mtu() const override;
87
88private:
89 void connectToDeviceHelper();
90 void resetController();
91
92 void scheduleNextJob();
93
94private slots:
95 void devicePropertiesChanged(const QString &interface, const QVariantMap &changedProperties,
96 const QStringList &invalidatedProperties);
97 void characteristicPropertiesChanged(QLowEnergyHandle charHandle, const QString &interface,
98 const QVariantMap &changedProperties,
99 const QStringList &invalidatedProperties);
100 void interfacesRemoved(const QDBusObjectPath &objectPath, const QStringList &interfaces);
101
102 void onCharReadFinished(QDBusPendingCallWatcher *call);
103 void onDescReadFinished(QDBusPendingCallWatcher *call);
104 void onCharWriteFinished(QDBusPendingCallWatcher *call);
105 void onDescWriteFinished(QDBusPendingCallWatcher *call);
106private:
107
108 OrgBluezAdapter1Interface* adapter{};
109 OrgBluezDevice1Interface* device{};
110 OrgFreedesktopDBusObjectManagerInterface* managerBluez{};
111 OrgFreedesktopDBusPropertiesInterfaceBluetooth* deviceMonitor{};
112 QString adapterPathWithPeripheralSupport;
113
114 int remoteMtu{-1};
115 QtBluezPeripheralApplication* peripheralApplication{};
116 QtBluezPeripheralConnectionManager* peripheralConnectionManager{};
117 QLeDBusAdvertiser *advertiser{};
118 void handleAdvertisingError();
119 void handlePeripheralApplicationError();
120 void handlePeripheralApplicationRegistered();
121 void handlePeripheralConnectivityChanged(bool connected);
122 void handlePeripheralCharacteristicValueUpdate(QLowEnergyHandle handle,
123 const QByteArray& value);
124 void handlePeripheralDescriptorValueUpdate(QLowEnergyHandle characteristicHandle,
125 QLowEnergyHandle descriptorHandle,
126 const QByteArray& value);
127 void handlePeripheralRemoteDeviceChanged(const QBluetoothAddress& address,
128 const QString& name,
129 quint16 mtu);
130 bool pendingConnect = false;
131 bool disconnectSignalRequired = false;
132
133 struct GattCharacteristic
134 {
135 QSharedPointer<OrgBluezGattCharacteristic1Interface> characteristic;
136 QSharedPointer<OrgFreedesktopDBusPropertiesInterfaceBluetooth> charMonitor;
137 QList<QSharedPointer<OrgBluezGattDescriptor1Interface>> descriptors;
138 };
139
140 struct GattService
141 {
142 QString servicePath;
143 QList<GattCharacteristic> characteristics;
144
145 bool hasBatteryService = false;
146 QSharedPointer<OrgBluezBattery1Interface> batteryInterface;
147 };
148
149 QHash<QBluetoothUuid, GattService> dbusServices;
150 QLowEnergyHandle runningHandle = 1;
151
152 struct GattJob {
153 enum JobFlag {
154 Unset = 0x00,
155 CharRead = 0x01,
156 CharWrite = 0x02,
157 DescRead = 0x04,
158 DescWrite = 0x08,
159 ServiceDiscovery = 0x10,
160 LastServiceDiscovery = 0x20
161 };
162 Q_DECLARE_FLAGS(JobFlags, JobFlag)
163
164 JobFlags flags = GattJob::Unset;
165 QLowEnergyHandle handle;
166 QByteArray value;
167 QLowEnergyService::WriteMode writeMode = QLowEnergyService::WriteWithResponse;
168 QSharedPointer<QLowEnergyServicePrivate> service;
169 };
170
171 QList<GattJob> jobs;
172 bool jobPending = false;
173
174 void prepareNextJob();
175 void discoverBatteryServiceDetails(GattService &dbusData,
176 QSharedPointer<QLowEnergyServicePrivate> serviceData);
177 void executeClose(QLowEnergyController::Error newError);
178};
179
180QT_END_NAMESPACE
181
182#endif // QLOWENERGYCONTROLLERPRIVATEDBUS_P_H
183

source code of qtconnectivity/src/bluetooth/qlowenergycontroller_bluezdbus_p.h