1// Copyright (C) 2021 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 "qnetworkmanagernetworkinformationbackend.h"
5
6#include <QtCore/qglobal.h>
7#include <QtCore/private/qobject_p.h>
8
9#include <QtDBus/qdbusmessage.h>
10
11QT_BEGIN_NAMESPACE
12Q_DECLARE_LOGGING_CATEGORY(lcNetInfoNLM)
13Q_LOGGING_CATEGORY(lcNetInfoNM, "qt.network.info.networkmanager");
14
15namespace {
16QNetworkInformation::Reachability reachabilityFromNMState(QNetworkManagerInterface::NMState state)
17{
18 switch (state) {
19 case QNetworkManagerInterface::NM_STATE_UNKNOWN:
20 case QNetworkManagerInterface::NM_STATE_ASLEEP:
21 case QNetworkManagerInterface::NM_STATE_CONNECTING:
22 return QNetworkInformation::Reachability::Unknown;
23 case QNetworkManagerInterface::NM_STATE_DISCONNECTING: // No point in starting new connections:
24 case QNetworkManagerInterface::NM_STATE_DISCONNECTED:
25 return QNetworkInformation::Reachability::Disconnected;
26 case QNetworkManagerInterface::NM_STATE_CONNECTED_LOCAL:
27 return QNetworkInformation::Reachability::Local;
28 case QNetworkManagerInterface::NM_STATE_CONNECTED_SITE:
29 return QNetworkInformation::Reachability::Site;
30 case QNetworkManagerInterface::NM_STATE_CONNECTED_GLOBAL:
31 return QNetworkInformation::Reachability::Online;
32 }
33 return QNetworkInformation::Reachability::Unknown;
34}
35
36QNetworkInformation::TransportMedium
37transportMediumFromDeviceType(QNetworkManagerInterface::NMDeviceType type)
38{
39 switch (type) {
40 case QNetworkManagerInterface::NM_DEVICE_TYPE_ETHERNET:
41 return QNetworkInformation::TransportMedium::Ethernet;
42 case QNetworkManagerInterface::NM_DEVICE_TYPE_WIFI:
43 return QNetworkInformation::TransportMedium::WiFi;
44 case QNetworkManagerInterface::NM_DEVICE_TYPE_BT:
45 return QNetworkInformation::TransportMedium::Bluetooth;
46 case QNetworkManagerInterface::NM_DEVICE_TYPE_MODEM:
47 return QNetworkInformation::TransportMedium::Cellular;
48
49 case QNetworkManagerInterface::NM_DEVICE_TYPE_UNKNOWN:
50 case QNetworkManagerInterface::NM_DEVICE_TYPE_GENERIC:
51 case QNetworkManagerInterface::NM_DEVICE_TYPE_UNUSED1:
52 case QNetworkManagerInterface::NM_DEVICE_TYPE_UNUSED2:
53 case QNetworkManagerInterface::NM_DEVICE_TYPE_OLPC_MESH:
54 case QNetworkManagerInterface::NM_DEVICE_TYPE_WIMAX:
55 case QNetworkManagerInterface::NM_DEVICE_TYPE_INFINIBAND:
56 case QNetworkManagerInterface::NM_DEVICE_TYPE_BOND:
57 case QNetworkManagerInterface::NM_DEVICE_TYPE_VLAN:
58 case QNetworkManagerInterface::NM_DEVICE_TYPE_ADSL:
59 case QNetworkManagerInterface::NM_DEVICE_TYPE_BRIDGE:
60 case QNetworkManagerInterface::NM_DEVICE_TYPE_TEAM:
61 case QNetworkManagerInterface::NM_DEVICE_TYPE_TUN:
62 case QNetworkManagerInterface::NM_DEVICE_TYPE_IP_TUNNEL:
63 case QNetworkManagerInterface::NM_DEVICE_TYPE_MACVLAN:
64 case QNetworkManagerInterface::NM_DEVICE_TYPE_VXLAN:
65 case QNetworkManagerInterface::NM_DEVICE_TYPE_VETH:
66 case QNetworkManagerInterface::NM_DEVICE_TYPE_MACSEC:
67 case QNetworkManagerInterface::NM_DEVICE_TYPE_DUMMY:
68 case QNetworkManagerInterface::NM_DEVICE_TYPE_PPP:
69 case QNetworkManagerInterface::NM_DEVICE_TYPE_OVS_INTERFACE:
70 case QNetworkManagerInterface::NM_DEVICE_TYPE_OVS_PORT:
71 case QNetworkManagerInterface::NM_DEVICE_TYPE_OVS_BRIDGE:
72 case QNetworkManagerInterface::NM_DEVICE_TYPE_WPAN:
73 case QNetworkManagerInterface::NM_DEVICE_TYPE_6LOWPAN:
74 case QNetworkManagerInterface::NM_DEVICE_TYPE_WIREGUARD:
75 case QNetworkManagerInterface::NM_DEVICE_TYPE_WIFI_P2P:
76 case QNetworkManagerInterface::NM_DEVICE_TYPE_VRF:
77 break;
78 }
79 // While the list is exhaustive of the enum there can be additional
80 // entries added in NetworkManager that isn't listed here
81 return QNetworkInformation::TransportMedium::Unknown;
82}
83
84bool isMeteredFromNMMetered(QNetworkManagerInterface::NMMetered metered)
85{
86 switch (metered) {
87 case QNetworkManagerInterface::NM_METERED_YES:
88 case QNetworkManagerInterface::NM_METERED_GUESS_YES:
89 return true;
90 case QNetworkManagerInterface::NM_METERED_NO:
91 case QNetworkManagerInterface::NM_METERED_GUESS_NO:
92 case QNetworkManagerInterface::NM_METERED_UNKNOWN:
93 return false;
94 }
95 Q_UNREACHABLE_RETURN(false);
96}
97} // unnamed namespace
98
99static QString backendName()
100{
101 return QStringView(QNetworkInformationBackend::PluginNames
102 [QNetworkInformationBackend::PluginNamesLinuxIndex]).toString();
103}
104
105QString QNetworkManagerNetworkInformationBackend::name() const
106{
107 return backendName();
108}
109
110class QNetworkManagerNetworkInformationBackendFactory : public QNetworkInformationBackendFactory
111{
112 Q_OBJECT
113 Q_PLUGIN_METADATA(IID QNetworkInformationBackendFactory_iid)
114 Q_INTERFACES(QNetworkInformationBackendFactory)
115public:
116 QNetworkManagerNetworkInformationBackendFactory() = default;
117 ~QNetworkManagerNetworkInformationBackendFactory() = default;
118 QString name() const override { return backendName(); }
119 QNetworkInformation::Features featuresSupported() const override
120 {
121 if (!QNetworkManagerInterfaceBase::networkManagerAvailable())
122 return {};
123 return QNetworkManagerNetworkInformationBackend::featuresSupportedStatic();
124 }
125
126 QNetworkInformationBackend *create(QNetworkInformation::Features requiredFeatures) const override
127 {
128 if ((requiredFeatures & featuresSupported()) != requiredFeatures)
129 return nullptr;
130 if (!QNetworkManagerInterfaceBase::networkManagerAvailable())
131 return nullptr;
132 auto backend = new QNetworkManagerNetworkInformationBackend();
133 if (!backend->isValid())
134 delete std::exchange(obj&: backend, new_val: nullptr);
135 return backend;
136 }
137private:
138 Q_DISABLE_COPY_MOVE(QNetworkManagerNetworkInformationBackendFactory)
139};
140
141QNetworkManagerNetworkInformationBackend::QNetworkManagerNetworkInformationBackend()
142{
143 if (!iface.isValid())
144 return;
145 iface.setBackend(this);
146 onStateChanged(state: iface.state());
147 onConnectivityChanged(connectivityState: iface.connectivityState());
148 onDeviceTypeChanged(deviceType: iface.deviceType());
149 onMeteredChanged(metered: iface.meteredState());
150}
151
152void QNetworkManagerNetworkInformationBackend::onStateChanged(
153 QNetworkManagerInterface::NMState newState)
154{
155 setReachability(reachabilityFromNMState(state: newState));
156}
157
158void QNetworkManagerNetworkInformationBackend::onConnectivityChanged(
159 QNetworkManagerInterface::NMConnectivityState connectivityState)
160{
161 const bool behindPortal =
162 (connectivityState == QNetworkManagerInterface::NM_CONNECTIVITY_PORTAL);
163 setBehindCaptivePortal(behindPortal);
164}
165
166void QNetworkManagerNetworkInformationBackend::onDeviceTypeChanged(
167 QNetworkManagerInterface::NMDeviceType newDevice)
168{
169 setTransportMedium(transportMediumFromDeviceType(type: newDevice));
170}
171
172void QNetworkManagerNetworkInformationBackend::onMeteredChanged(
173 QNetworkManagerInterface::NMMetered metered)
174{
175 setMetered(isMeteredFromNMMetered(metered));
176};
177
178QT_END_NAMESPACE
179
180#include "qnetworkmanagernetworkinformationbackend.moc"
181#include "moc_qnetworkmanagernetworkinformationbackend.cpp"
182

source code of qtbase/src/plugins/networkinformation/networkmanager/qnetworkmanagernetworkinformationbackend.cpp