Merge branch 'test-ip_mreq_source-android-only' into 'master'
[glib.git] / gio / gnetworkmonitornm.c
blob20a86571f33045f23bb7a4df49833d14f2e90896
1 /* GIO - GLib Input, Output and Streaming Library
3 * Copyright 2014 Red Hat, Inc.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
19 #include "config.h"
21 #include <errno.h>
22 #include <string.h>
23 #include <unistd.h>
25 #include "gnetworkmonitornm.h"
26 #include "gioerror.h"
27 #include "ginitable.h"
28 #include "giomodule-priv.h"
29 #include "glibintl.h"
30 #include "glib/gstdio.h"
31 #include "gnetworkingprivate.h"
32 #include "gnetworkmonitor.h"
33 #include "gdbusproxy.h"
35 static void g_network_monitor_nm_iface_init (GNetworkMonitorInterface *iface);
36 static void g_network_monitor_nm_initable_iface_init (GInitableIface *iface);
38 enum
40 PROP_0,
42 PROP_NETWORK_AVAILABLE,
43 PROP_NETWORK_METERED,
44 PROP_CONNECTIVITY
47 typedef enum {
48 NM_CONNECTIVITY_UNKNOWN,
49 NM_CONNECTIVITY_NONE,
50 NM_CONNECTIVITY_PORTAL,
51 NM_CONNECTIVITY_LIMITED,
52 NM_CONNECTIVITY_FULL
53 } NMConnectivityState;
55 struct _GNetworkMonitorNMPrivate
57 GDBusProxy *proxy;
59 GNetworkConnectivity connectivity;
60 gboolean network_available;
61 gboolean network_metered;
64 #define g_network_monitor_nm_get_type _g_network_monitor_nm_get_type
65 G_DEFINE_TYPE_WITH_CODE (GNetworkMonitorNM, g_network_monitor_nm, G_TYPE_NETWORK_MONITOR_NETLINK,
66 G_ADD_PRIVATE (GNetworkMonitorNM)
67 G_IMPLEMENT_INTERFACE (G_TYPE_NETWORK_MONITOR,
68 g_network_monitor_nm_iface_init)
69 G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
70 g_network_monitor_nm_initable_iface_init)
71 _g_io_modules_ensure_extension_points_registered ();
72 g_io_extension_point_implement (G_NETWORK_MONITOR_EXTENSION_POINT_NAME,
73 g_define_type_id,
74 "networkmanager",
75 30))
77 static void
78 g_network_monitor_nm_init (GNetworkMonitorNM *nm)
80 nm->priv = g_network_monitor_nm_get_instance_private (nm);
83 static void
84 g_network_monitor_nm_get_property (GObject *object,
85 guint prop_id,
86 GValue *value,
87 GParamSpec *pspec)
89 GNetworkMonitorNM *nm = G_NETWORK_MONITOR_NM (object);
91 switch (prop_id)
93 case PROP_NETWORK_AVAILABLE:
94 g_value_set_boolean (value, nm->priv->network_available);
95 break;
97 case PROP_NETWORK_METERED:
98 g_value_set_boolean (value, nm->priv->network_metered);
99 break;
101 case PROP_CONNECTIVITY:
102 g_value_set_enum (value, nm->priv->connectivity);
103 break;
105 default:
106 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
107 break;
111 static GNetworkConnectivity
112 nm_conn_to_g_conn (int nm_state)
114 switch (nm_state)
116 case NM_CONNECTIVITY_UNKNOWN:
117 return G_NETWORK_CONNECTIVITY_LOCAL;
118 case NM_CONNECTIVITY_NONE:
119 return G_NETWORK_CONNECTIVITY_LOCAL;
120 case NM_CONNECTIVITY_PORTAL:
121 return G_NETWORK_CONNECTIVITY_PORTAL;
122 case NM_CONNECTIVITY_LIMITED:
123 return G_NETWORK_CONNECTIVITY_LIMITED;
124 case NM_CONNECTIVITY_FULL:
125 return G_NETWORK_CONNECTIVITY_FULL;
126 default:
127 g_warning ("Unknown NM connectivity state %d", nm_state);
128 return G_NETWORK_CONNECTIVITY_LOCAL;
132 static gboolean
133 nm_metered_to_bool (guint nm_metered)
135 switch (nm_metered)
137 case 1: /* yes */
138 case 3: /* guess-yes */
139 return TRUE;
140 case 0: /* unknown */
141 /* We default to FALSE in the unknown-because-you're-not-running-NM
142 * case, so we should return FALSE in the
143 * unknown-when-you-are-running-NM case too. */
144 case 2: /* no */
145 case 4: /* guess-no */
146 return FALSE;
147 default:
148 g_warning ("Unknown NM metered state %d", nm_metered);
149 return FALSE;
153 static void
154 sync_properties (GNetworkMonitorNM *nm,
155 gboolean emit_signals)
157 GVariant *v;
158 NMConnectivityState nm_connectivity;
159 gboolean new_network_available;
160 gboolean new_network_metered;
161 GNetworkConnectivity new_connectivity;
163 v = g_dbus_proxy_get_cached_property (nm->priv->proxy, "Connectivity");
164 if (!v)
165 return;
167 nm_connectivity = g_variant_get_uint32 (v);
168 g_variant_unref (v);
170 if (nm_connectivity == NM_CONNECTIVITY_NONE)
172 new_network_available = FALSE;
173 new_network_metered = FALSE;
174 new_connectivity = G_NETWORK_CONNECTIVITY_LOCAL;
176 else
179 /* this is only available post NM 1.0 */
180 v = g_dbus_proxy_get_cached_property (nm->priv->proxy, "Metered");
181 if (v == NULL)
183 new_network_metered = FALSE;
185 else
187 new_network_metered = nm_metered_to_bool (g_variant_get_uint32 (v));
188 g_variant_unref (v);
191 new_network_available = TRUE;
192 new_connectivity = nm_conn_to_g_conn (nm_connectivity);
195 if (!emit_signals)
197 nm->priv->network_metered = new_network_metered;
198 nm->priv->network_available = new_network_available;
199 nm->priv->connectivity = new_connectivity;
200 return;
203 if (new_network_available != nm->priv->network_available)
205 nm->priv->network_available = new_network_available;
206 g_object_notify (G_OBJECT (nm), "network-available");
208 if (new_network_metered != nm->priv->network_metered)
210 nm->priv->network_metered = new_network_metered;
211 g_object_notify (G_OBJECT (nm), "network-metered");
213 if (new_connectivity != nm->priv->connectivity)
215 nm->priv->connectivity = new_connectivity;
216 g_object_notify (G_OBJECT (nm), "connectivity");
220 static void
221 update_cached_property (GDBusProxy *proxy,
222 const char *property_name,
223 GVariantDict *dict)
225 GVariant *v;
227 v = g_variant_dict_lookup_value (dict, property_name, NULL);
228 if (!v)
229 return;
230 g_dbus_proxy_set_cached_property (proxy, property_name, v);
231 g_variant_unref (v);
234 static void
235 proxy_signal_cb (GDBusProxy *proxy,
236 gchar *sender_name,
237 gchar *signal_name,
238 GVariant *parameters,
239 GNetworkMonitorNM *nm)
241 GVariant *asv;
242 GVariantDict *dict;
244 if (g_strcmp0 (signal_name, "PropertiesChanged") != 0)
245 return;
247 g_variant_get (parameters, "(@a{sv})", &asv);
248 if (!asv)
249 return;
251 dict = g_variant_dict_new (asv);
252 g_variant_unref (asv);
253 if (!dict)
255 g_warning ("Failed to handle PropertiesChanged signal from NetworkManager");
256 return;
259 update_cached_property (nm->priv->proxy, "Connectivity", dict);
261 g_variant_dict_unref (dict);
263 sync_properties (nm, TRUE);
266 static gboolean
267 has_property (GDBusProxy *proxy,
268 const char *property_name)
270 char **props;
271 gboolean prop_found = FALSE;
273 props = g_dbus_proxy_get_cached_property_names (proxy);
275 if (!props)
276 return FALSE;
278 prop_found = g_strv_contains ((const gchar * const *) props, property_name);
279 g_strfreev (props);
280 return prop_found;
283 static gboolean
284 g_network_monitor_nm_initable_init (GInitable *initable,
285 GCancellable *cancellable,
286 GError **error)
288 GNetworkMonitorNM *nm = G_NETWORK_MONITOR_NM (initable);
289 GDBusProxy *proxy;
290 GInitableIface *parent_iface;
291 gchar *name_owner = NULL;
293 parent_iface = g_type_interface_peek_parent (G_NETWORK_MONITOR_NM_GET_INITABLE_IFACE (initable));
294 if (!parent_iface->init (initable, cancellable, error))
295 return FALSE;
297 proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
298 G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START | G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES,
299 NULL,
300 "org.freedesktop.NetworkManager",
301 "/org/freedesktop/NetworkManager",
302 "org.freedesktop.NetworkManager",
303 cancellable,
304 error);
305 if (!proxy)
306 return FALSE;
308 name_owner = g_dbus_proxy_get_name_owner (proxy);
310 if (!name_owner)
312 g_object_unref (proxy);
313 return FALSE;
316 g_free (name_owner);
318 /* Verify it has the PrimaryConnection and Connectivity properties */
319 if (!has_property (proxy, "Connectivity"))
321 g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
322 _("NetworkManager version too old"));
323 g_object_unref (proxy);
324 return FALSE;
327 g_signal_connect (G_OBJECT (proxy), "g-signal",
328 G_CALLBACK (proxy_signal_cb), nm);
329 nm->priv->proxy = proxy;
330 sync_properties (nm, FALSE);
332 return TRUE;
335 static void
336 g_network_monitor_nm_finalize (GObject *object)
338 GNetworkMonitorNM *nm = G_NETWORK_MONITOR_NM (object);
340 g_clear_object (&nm->priv->proxy);
342 G_OBJECT_CLASS (g_network_monitor_nm_parent_class)->finalize (object);
345 static void
346 g_network_monitor_nm_class_init (GNetworkMonitorNMClass *nl_class)
348 GObjectClass *gobject_class = G_OBJECT_CLASS (nl_class);
350 gobject_class->finalize = g_network_monitor_nm_finalize;
351 gobject_class->get_property = g_network_monitor_nm_get_property;
353 g_object_class_override_property (gobject_class, PROP_NETWORK_AVAILABLE, "network-available");
354 g_object_class_override_property (gobject_class, PROP_NETWORK_METERED, "network-metered");
355 g_object_class_override_property (gobject_class, PROP_CONNECTIVITY, "connectivity");
358 static void
359 g_network_monitor_nm_iface_init (GNetworkMonitorInterface *monitor_iface)
363 static void
364 g_network_monitor_nm_initable_iface_init (GInitableIface *iface)
366 iface->init = g_network_monitor_nm_initable_init;