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https://gitlab.freedesktop.org/NetworkManager/NetworkManager
synced 2024-09-06 00:55:56 +00:00
test: add C example for printing active connection details
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parent
fd3e8e4576
commit
c602487ff3
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@ -6,7 +6,7 @@ AM_CPPFLAGS = \
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$(DBUS_CFLAGS) \
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$(GLIB_CFLAGS)
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noinst_PROGRAMS = add-connection-glib
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noinst_PROGRAMS = add-connection-glib get-active-connections
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add_connection_glib_SOURCES = add-connection-glib.c
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add_connection_glib_LDADD = \
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@ -14,6 +14,13 @@ add_connection_glib_LDADD = \
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$(DBUS_LIBS) \
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$(GLIB_LIBS)
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EXTRA_DIST = \
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add-connection-glib.c
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get_active_connections_SOURCES = get-active-connections.c
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get_active_connections_LDADD = \
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$(top_builddir)/libnm-util/libnm-util.la \
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$(DBUS_LIBS) \
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$(GLIB_LIBS)
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EXTRA_DIST = \
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add-connection-glib.c \
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get-active-connections.c
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225
examples/C/get-active-connections.c
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225
examples/C/get-active-connections.c
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@ -0,0 +1,225 @@
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* (C) Copyright 2010 Red Hat, Inc.
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*/
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/*
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* The example shows how to call the D-Bus properties interface to get the
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* list of currently active connections known to NetworkManager. It uses
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* dbus-glib and libnm-util libraries.
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*
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* Compile with:
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* gcc -Wall `pkg-config --libs --cflags glib-2.0 dbus-glib-1 libnm-util` get-active-connections.c -o get-active-connections
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*/
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#include <glib.h>
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#include <dbus/dbus-glib.h>
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#include <nm-connection.h>
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#include <nm-setting-connection.h>
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#include <nm-setting-wired.h>
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#include <nm-setting-ip4-config.h>
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#include <NetworkManager.h>
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#include <nm-utils.h>
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#define DBUS_TYPE_G_MAP_OF_VARIANT (dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE))
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#define DBUS_TYPE_G_MAP_OF_MAP_OF_VARIANT (dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, DBUS_TYPE_G_MAP_OF_VARIANT))
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#define DBUS_TYPE_G_ARRAY_OF_OBJECT_PATH (dbus_g_type_get_collection ("GPtrArray", DBUS_TYPE_G_OBJECT_PATH))
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static void
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print_connection (DBusGConnection *bus, const char *service, const char *path)
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{
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DBusGProxy *proxy;
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GError *error = NULL;
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GHashTable *hash = NULL;
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NMConnection *connection = NULL;
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/* Create a D-Bus proxy; NM_DBUS_* defined in NetworkManager.h */
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proxy = dbus_g_proxy_new_for_name (bus,
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service,
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path,
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NM_DBUS_IFACE_SETTINGS_CONNECTION);
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g_assert (proxy);
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if (!dbus_g_proxy_call (proxy, "GetSettings", &error,
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G_TYPE_INVALID,
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DBUS_TYPE_G_MAP_OF_MAP_OF_VARIANT, &hash,
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G_TYPE_INVALID)) {
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g_warning ("Failed to get active connection Connection property: %s",
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error->message);
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g_error_free (error);
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goto out;
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}
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connection = nm_connection_new_from_hash (hash, &error);
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if (!connection) {
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g_warning ("Received invalid connection data: %s", error->message);
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g_error_free (error);
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goto out;
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}
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g_message ("%s => %s", service, path);
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nm_connection_dump (connection);
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out:
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if (connection)
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g_object_unref (connection);
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if (hash)
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g_hash_table_destroy (hash);
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g_object_unref (proxy);
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}
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static void
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get_active_connection_details (DBusGConnection *bus, const char *obj_path)
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{
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DBusGProxy *props_proxy;
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GValue path_value = { 0 };
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GValue serv_value = { 0 };
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GError *error = NULL;
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const char *path = NULL, *service = NULL;
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/* Create a D-Bus proxy; NM_DBUS_* defined in NetworkManager.h */
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props_proxy = dbus_g_proxy_new_for_name (bus,
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NM_DBUS_SERVICE,
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obj_path,
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DBUS_INTERFACE_PROPERTIES);
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g_assert (props_proxy);
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/* Get the object path of the Connection details */
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if (!dbus_g_proxy_call (props_proxy, "Get", &error,
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G_TYPE_STRING, NM_DBUS_INTERFACE_ACTIVE_CONNECTION,
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G_TYPE_STRING, "Connection",
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G_TYPE_INVALID,
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G_TYPE_VALUE, &path_value,
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G_TYPE_INVALID)) {
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g_warning ("Failed to get active connection Connection property: %s",
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error->message);
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g_error_free (error);
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goto out;
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}
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if (!G_VALUE_HOLDS (&path_value, DBUS_TYPE_G_OBJECT_PATH)) {
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g_warning ("Unexpected type returned getting Connection property: %s",
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G_VALUE_TYPE_NAME (&path_value));
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goto out;
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}
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path = g_value_get_boxed (&path_value);
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if (!path) {
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g_warning ("Missing connection path!");
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goto out;
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}
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/* Get the service name of the D-Bus service that provides the Connection */
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if (!dbus_g_proxy_call (props_proxy, "Get", &error,
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G_TYPE_STRING, NM_DBUS_INTERFACE_ACTIVE_CONNECTION,
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G_TYPE_STRING, "ServiceName",
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G_TYPE_INVALID,
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G_TYPE_VALUE, &serv_value,
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G_TYPE_INVALID)) {
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g_warning ("Failed to get active connection ServiceName property: %s",
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error->message);
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g_error_free (error);
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goto out;
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}
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if (!G_VALUE_HOLDS (&serv_value, G_TYPE_STRING)) {
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g_warning ("Unexpected type returned getting Connection property: %s",
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G_VALUE_TYPE_NAME (&serv_value));
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goto out;
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}
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service = g_value_get_string (&serv_value);
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if (!service) {
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g_warning ("Missing connection service name!");
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goto out;
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}
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print_connection (bus, service, path);
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out:
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g_value_unset (&path_value);
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g_value_unset (&serv_value);
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g_object_unref (props_proxy);
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}
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static void
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get_active_connections (DBusGConnection *bus, DBusGProxy *proxy)
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{
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GError *error = NULL;
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GValue value = { 0 };
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GPtrArray *paths = NULL;
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int i;
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/* Call AddConnection with the hash as argument */
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if (!dbus_g_proxy_call (proxy, "Get", &error,
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G_TYPE_STRING, NM_DBUS_INTERFACE,
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G_TYPE_STRING, "ActiveConnections",
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G_TYPE_INVALID,
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G_TYPE_VALUE, &value,
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G_TYPE_INVALID)) {
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g_warning ("Failed to get ActiveConnections property: %s", error->message);
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g_error_free (error);
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return;
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}
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if (!G_VALUE_HOLDS (&value, DBUS_TYPE_G_ARRAY_OF_OBJECT_PATH)) {
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g_warning ("Unexpected type returned getting ActiveConnections: %s",
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G_VALUE_TYPE_NAME (&value));
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goto out;
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}
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paths = g_value_get_boxed (&value);
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if (!paths) {
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g_warning ("Could not retrieve active connections property");
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goto out;
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}
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for (i = 0; i < paths->len; i++)
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get_active_connection_details (bus, g_ptr_array_index (paths, i));
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out:
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g_value_unset (&value);
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}
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int main (int argc, char *argv[])
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{
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DBusGConnection *bus;
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DBusGProxy *props_proxy;
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/* Initialize GType system */
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g_type_init ();
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/* Get system bus */
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bus = dbus_g_bus_get (DBUS_BUS_SYSTEM, NULL);
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/* Create a D-Bus proxy; NM_DBUS_* defined in NetworkManager.h */
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props_proxy = dbus_g_proxy_new_for_name (bus,
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NM_DBUS_SERVICE,
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NM_DBUS_PATH,
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DBUS_INTERFACE_PROPERTIES);
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g_assert (props_proxy);
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/* Add a connection */
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get_active_connections (bus, props_proxy);
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g_object_unref (props_proxy);
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dbus_g_connection_unref (bus);
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return 0;
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}
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