Commit c602487f authored by Dan Williams's avatar Dan Williams

test: add C example for printing active connection details

parent fd3e8e45
......@@ -6,7 +6,7 @@ AM_CPPFLAGS = \
$(DBUS_CFLAGS) \
$(GLIB_CFLAGS)
noinst_PROGRAMS = add-connection-glib
noinst_PROGRAMS = add-connection-glib get-active-connections
add_connection_glib_SOURCES = add-connection-glib.c
add_connection_glib_LDADD = \
......@@ -14,6 +14,13 @@ add_connection_glib_LDADD = \
$(DBUS_LIBS) \
$(GLIB_LIBS)
get_active_connections_SOURCES = get-active-connections.c
get_active_connections_LDADD = \
$(top_builddir)/libnm-util/libnm-util.la \
$(DBUS_LIBS) \
$(GLIB_LIBS)
EXTRA_DIST = \
add-connection-glib.c
add-connection-glib.c \
get-active-connections.c
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* (C) Copyright 2010 Red Hat, Inc.
*/
/*
* The example shows how to call the D-Bus properties interface to get the
* list of currently active connections known to NetworkManager. It uses
* dbus-glib and libnm-util libraries.
*
* Compile with:
* gcc -Wall `pkg-config --libs --cflags glib-2.0 dbus-glib-1 libnm-util` get-active-connections.c -o get-active-connections
*/
#include <glib.h>
#include <dbus/dbus-glib.h>
#include <nm-connection.h>
#include <nm-setting-connection.h>
#include <nm-setting-wired.h>
#include <nm-setting-ip4-config.h>
#include <NetworkManager.h>
#include <nm-utils.h>
#define DBUS_TYPE_G_MAP_OF_VARIANT (dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE))
#define DBUS_TYPE_G_MAP_OF_MAP_OF_VARIANT (dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, DBUS_TYPE_G_MAP_OF_VARIANT))
#define DBUS_TYPE_G_ARRAY_OF_OBJECT_PATH (dbus_g_type_get_collection ("GPtrArray", DBUS_TYPE_G_OBJECT_PATH))
static void
print_connection (DBusGConnection *bus, const char *service, const char *path)
{
DBusGProxy *proxy;
GError *error = NULL;
GHashTable *hash = NULL;
NMConnection *connection = NULL;
/* Create a D-Bus proxy; NM_DBUS_* defined in NetworkManager.h */
proxy = dbus_g_proxy_new_for_name (bus,
service,
path,
NM_DBUS_IFACE_SETTINGS_CONNECTION);
g_assert (proxy);
if (!dbus_g_proxy_call (proxy, "GetSettings", &error,
G_TYPE_INVALID,
DBUS_TYPE_G_MAP_OF_MAP_OF_VARIANT, &hash,
G_TYPE_INVALID)) {
g_warning ("Failed to get active connection Connection property: %s",
error->message);
g_error_free (error);
goto out;
}
connection = nm_connection_new_from_hash (hash, &error);
if (!connection) {
g_warning ("Received invalid connection data: %s", error->message);
g_error_free (error);
goto out;
}
g_message ("%s => %s", service, path);
nm_connection_dump (connection);
out:
if (connection)
g_object_unref (connection);
if (hash)
g_hash_table_destroy (hash);
g_object_unref (proxy);
}
static void
get_active_connection_details (DBusGConnection *bus, const char *obj_path)
{
DBusGProxy *props_proxy;
GValue path_value = { 0 };
GValue serv_value = { 0 };
GError *error = NULL;
const char *path = NULL, *service = NULL;
/* Create a D-Bus proxy; NM_DBUS_* defined in NetworkManager.h */
props_proxy = dbus_g_proxy_new_for_name (bus,
NM_DBUS_SERVICE,
obj_path,
DBUS_INTERFACE_PROPERTIES);
g_assert (props_proxy);
/* Get the object path of the Connection details */
if (!dbus_g_proxy_call (props_proxy, "Get", &error,
G_TYPE_STRING, NM_DBUS_INTERFACE_ACTIVE_CONNECTION,
G_TYPE_STRING, "Connection",
G_TYPE_INVALID,
G_TYPE_VALUE, &path_value,
G_TYPE_INVALID)) {
g_warning ("Failed to get active connection Connection property: %s",
error->message);
g_error_free (error);
goto out;
}
if (!G_VALUE_HOLDS (&path_value, DBUS_TYPE_G_OBJECT_PATH)) {
g_warning ("Unexpected type returned getting Connection property: %s",
G_VALUE_TYPE_NAME (&path_value));
goto out;
}
path = g_value_get_boxed (&path_value);
if (!path) {
g_warning ("Missing connection path!");
goto out;
}
/* Get the service name of the D-Bus service that provides the Connection */
if (!dbus_g_proxy_call (props_proxy, "Get", &error,
G_TYPE_STRING, NM_DBUS_INTERFACE_ACTIVE_CONNECTION,
G_TYPE_STRING, "ServiceName",
G_TYPE_INVALID,
G_TYPE_VALUE, &serv_value,
G_TYPE_INVALID)) {
g_warning ("Failed to get active connection ServiceName property: %s",
error->message);
g_error_free (error);
goto out;
}
if (!G_VALUE_HOLDS (&serv_value, G_TYPE_STRING)) {
g_warning ("Unexpected type returned getting Connection property: %s",
G_VALUE_TYPE_NAME (&serv_value));
goto out;
}
service = g_value_get_string (&serv_value);
if (!service) {
g_warning ("Missing connection service name!");
goto out;
}
print_connection (bus, service, path);
out:
g_value_unset (&path_value);
g_value_unset (&serv_value);
g_object_unref (props_proxy);
}
static void
get_active_connections (DBusGConnection *bus, DBusGProxy *proxy)
{
GError *error = NULL;
GValue value = { 0 };
GPtrArray *paths = NULL;
int i;
/* Call AddConnection with the hash as argument */
if (!dbus_g_proxy_call (proxy, "Get", &error,
G_TYPE_STRING, NM_DBUS_INTERFACE,
G_TYPE_STRING, "ActiveConnections",
G_TYPE_INVALID,
G_TYPE_VALUE, &value,
G_TYPE_INVALID)) {
g_warning ("Failed to get ActiveConnections property: %s", error->message);
g_error_free (error);
return;
}
if (!G_VALUE_HOLDS (&value, DBUS_TYPE_G_ARRAY_OF_OBJECT_PATH)) {
g_warning ("Unexpected type returned getting ActiveConnections: %s",
G_VALUE_TYPE_NAME (&value));
goto out;
}
paths = g_value_get_boxed (&value);
if (!paths) {
g_warning ("Could not retrieve active connections property");
goto out;
}
for (i = 0; i < paths->len; i++)
get_active_connection_details (bus, g_ptr_array_index (paths, i));
out:
g_value_unset (&value);
}
int main (int argc, char *argv[])
{
DBusGConnection *bus;
DBusGProxy *props_proxy;
/* Initialize GType system */
g_type_init ();
/* Get system bus */
bus = dbus_g_bus_get (DBUS_BUS_SYSTEM, NULL);
/* Create a D-Bus proxy; NM_DBUS_* defined in NetworkManager.h */
props_proxy = dbus_g_proxy_new_for_name (bus,
NM_DBUS_SERVICE,
NM_DBUS_PATH,
DBUS_INTERFACE_PROPERTIES);
g_assert (props_proxy);
/* Add a connection */
get_active_connections (bus, props_proxy);
g_object_unref (props_proxy);
dbus_g_connection_unref (bus);
return 0;
}
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