1 | // Copyright (C) 2021 Ilya Fedin <fedin-ilja2010@ya.ru> |
---|---|
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 <QtNetwork/private/qnetworkinformation_p.h> |
5 | |
6 | #include <QtCore/qglobal.h> |
7 | #include <QtCore/private/qobject_p.h> |
8 | |
9 | #include <gio/gio.h> |
10 | |
11 | QT_BEGIN_NAMESPACE |
12 | |
13 | using namespace Qt::StringLiterals; |
14 | |
15 | Q_DECLARE_LOGGING_CATEGORY(lcNetInfoGlib) |
16 | Q_LOGGING_CATEGORY(lcNetInfoGlib, "qt.network.info.glib"); |
17 | |
18 | namespace { |
19 | QNetworkInformation::Reachability reachabilityFromGNetworkConnectivity(GNetworkConnectivity connectivity) |
20 | { |
21 | switch (connectivity) { |
22 | case G_NETWORK_CONNECTIVITY_LOCAL: |
23 | return QNetworkInformation::Reachability::Disconnected; |
24 | case G_NETWORK_CONNECTIVITY_LIMITED: |
25 | case G_NETWORK_CONNECTIVITY_PORTAL: |
26 | return QNetworkInformation::Reachability::Site; |
27 | case G_NETWORK_CONNECTIVITY_FULL: |
28 | return QNetworkInformation::Reachability::Online; |
29 | } |
30 | return QNetworkInformation::Reachability::Unknown; |
31 | } |
32 | } |
33 | |
34 | static const QString &backendName() |
35 | { |
36 | static auto name = u"glib"_s; |
37 | return name; |
38 | } |
39 | |
40 | class QGlibNetworkInformationBackend : public QNetworkInformationBackend |
41 | { |
42 | Q_OBJECT |
43 | public: |
44 | QGlibNetworkInformationBackend(); |
45 | ~QGlibNetworkInformationBackend(); |
46 | |
47 | QString name() const override { return backendName(); } |
48 | QNetworkInformation::Features featuresSupported() const override |
49 | { |
50 | if (!isValid()) |
51 | return {}; |
52 | return featuresSupportedStatic(); |
53 | } |
54 | |
55 | static QNetworkInformation::Features featuresSupportedStatic() |
56 | { |
57 | using Feature = QNetworkInformation::Feature; |
58 | return QNetworkInformation::Features(Feature::Reachability | Feature::CaptivePortal |
59 | | Feature::Metered); |
60 | } |
61 | |
62 | bool isValid() const; |
63 | |
64 | private: |
65 | Q_DISABLE_COPY_MOVE(QGlibNetworkInformationBackend) |
66 | |
67 | static void updateConnectivity(QGlibNetworkInformationBackend *backend); |
68 | static void updateMetered(QGlibNetworkInformationBackend *backend); |
69 | |
70 | GNetworkMonitor *networkMonitor = nullptr; |
71 | gulong connectivityHandlerId = 0; |
72 | gulong meteredHandlerId = 0; |
73 | }; |
74 | |
75 | class QGlibNetworkInformationBackendFactory : public QNetworkInformationBackendFactory |
76 | { |
77 | Q_OBJECT |
78 | Q_PLUGIN_METADATA(IID QNetworkInformationBackendFactory_iid) |
79 | Q_INTERFACES(QNetworkInformationBackendFactory) |
80 | public: |
81 | QGlibNetworkInformationBackendFactory() = default; |
82 | ~QGlibNetworkInformationBackendFactory() = default; |
83 | QString name() const override { return backendName(); } |
84 | QNetworkInformation::Features featuresSupported() const override |
85 | { |
86 | return QGlibNetworkInformationBackend::featuresSupportedStatic(); |
87 | } |
88 | |
89 | QNetworkInformationBackend *create(QNetworkInformation::Features requiredFeatures) const override |
90 | { |
91 | if ((requiredFeatures & featuresSupported()) != requiredFeatures) |
92 | return nullptr; |
93 | auto backend = new QGlibNetworkInformationBackend(); |
94 | if (!backend->isValid()) |
95 | delete std::exchange(obj&: backend, new_val: nullptr); |
96 | return backend; |
97 | } |
98 | private: |
99 | Q_DISABLE_COPY_MOVE(QGlibNetworkInformationBackendFactory) |
100 | }; |
101 | |
102 | QGlibNetworkInformationBackend::QGlibNetworkInformationBackend() |
103 | : networkMonitor(g_network_monitor_get_default()) |
104 | { |
105 | updateConnectivity(backend: this); |
106 | updateMetered(backend: this); |
107 | |
108 | connectivityHandlerId = g_signal_connect_swapped(networkMonitor, "notify::connectivity", |
109 | G_CALLBACK(updateConnectivity), this); |
110 | |
111 | meteredHandlerId = g_signal_connect_swapped(networkMonitor, "notify::network-metered", |
112 | G_CALLBACK(updateMetered), this); |
113 | } |
114 | |
115 | QGlibNetworkInformationBackend::~QGlibNetworkInformationBackend() |
116 | { |
117 | g_signal_handler_disconnect(instance: networkMonitor, handler_id: meteredHandlerId); |
118 | g_signal_handler_disconnect(instance: networkMonitor, handler_id: connectivityHandlerId); |
119 | } |
120 | |
121 | bool QGlibNetworkInformationBackend::isValid() const |
122 | { |
123 | return QLatin1StringView(G_OBJECT_TYPE_NAME(networkMonitor)) != "GNetworkMonitorBase"_L1; |
124 | } |
125 | |
126 | void QGlibNetworkInformationBackend::updateConnectivity(QGlibNetworkInformationBackend *backend) |
127 | { |
128 | const auto connectivityState = g_network_monitor_get_connectivity(monitor: backend->networkMonitor); |
129 | const bool behindPortal = (connectivityState == G_NETWORK_CONNECTIVITY_PORTAL); |
130 | backend->setReachability(reachabilityFromGNetworkConnectivity(connectivity: connectivityState)); |
131 | backend->setBehindCaptivePortal(behindPortal); |
132 | } |
133 | |
134 | void QGlibNetworkInformationBackend::updateMetered(QGlibNetworkInformationBackend *backend) |
135 | { |
136 | backend->setMetered(g_network_monitor_get_network_metered(monitor: backend->networkMonitor)); |
137 | } |
138 | |
139 | QT_END_NAMESPACE |
140 | |
141 | #include "qglibnetworkinformationbackend.moc" |
142 |
Definitions
- lcNetInfoGlib
- reachabilityFromGNetworkConnectivity
- backendName
- QGlibNetworkInformationBackend
- name
- featuresSupported
- featuresSupportedStatic
- QGlibNetworkInformationBackend
- QGlibNetworkInformationBackendFactory
- QGlibNetworkInformationBackendFactory
- ~QGlibNetworkInformationBackendFactory
- name
- featuresSupported
- create
- QGlibNetworkInformationBackendFactory
- QGlibNetworkInformationBackend
- ~QGlibNetworkInformationBackend
- isValid
- updateConnectivity
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