843ea77e93
On modern distributions, ld runs with the '--as-needed' option enabled by default, meaning library dependencies must come after files that require them. Also, this allows indirect linking so the build commands can be simplified. The alternative is to add the '-Wl,--no-as-needed' gcc option or use the top-level Makefile. Tested on: * Ubuntu 16.04.3 with gcc Ubuntu 5.4.1-8ubuntu1 * Fedora 24 with gcc Red Hat 6.1.1-3 Signed-off-by: Lucas Magasweran <lucas.magasweran@ieee.org> https://mail.gnome.org/archives/networkmanager-list/2017-September/msg00022.html https://mail.gnome.org/archives/networkmanager-list/2017-September/msg00023.html https://mail.gnome.org/archives/networkmanager-list/2017-September/msg00025.html
133 lines
4.0 KiB
C
133 lines
4.0 KiB
C
/* -*- 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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* Copyright 2011 Red Hat, Inc.
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*/
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/*
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* The example shows how to add a new connection using libnm. Contrast this
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* example with add-connection-gdbus.c, which is a bit lower level and talks
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* directly to NM using GDBus. This example is simpler because libnm handles
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* much of the low-level stuff for you.
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*
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* Compile with:
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* gcc -Wall add-connection-libnm.c -o add-connection-libnm `pkg-config --libs --cflags libnm`
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*/
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#include <glib.h>
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#include <NetworkManager.h>
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static void
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added_cb (GObject *client,
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GAsyncResult *result,
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gpointer user_data)
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{
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GMainLoop *loop = user_data;
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NMRemoteConnection *remote;
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GError *error = NULL;
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/* NM responded to our request; either handle the resulting error or
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* print out the object path of the connection we just added.
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*/
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remote = nm_client_add_connection_finish (NM_CLIENT (client), result, &error);
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if (error) {
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g_print ("Error adding connection: %s", error->message);
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g_error_free (error);
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} else {
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g_print ("Added: %s\n", nm_connection_get_path (NM_CONNECTION (remote)));
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g_object_unref (remote);
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}
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/* Tell the mainloop we're done and we can quit now */
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g_main_loop_quit (loop);
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}
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static void
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add_connection (NMClient *client, GMainLoop *loop, const char *con_name)
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{
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NMConnection *connection;
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NMSettingConnection *s_con;
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NMSettingWired *s_wired;
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NMSettingIP4Config *s_ip4;
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char *uuid;
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/* Create a new connection object */
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connection = nm_simple_connection_new ();
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/* Build up the 'connection' Setting */
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s_con = (NMSettingConnection *) nm_setting_connection_new ();
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uuid = nm_utils_uuid_generate ();
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g_object_set (G_OBJECT (s_con),
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NM_SETTING_CONNECTION_UUID, uuid,
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NM_SETTING_CONNECTION_ID, con_name,
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NM_SETTING_CONNECTION_TYPE, "802-3-ethernet",
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NULL);
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g_free (uuid);
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nm_connection_add_setting (connection, NM_SETTING (s_con));
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/* Build up the 'wired' Setting */
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s_wired = (NMSettingWired *) nm_setting_wired_new ();
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nm_connection_add_setting (connection, NM_SETTING (s_wired));
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/* Build up the 'ipv4' Setting */
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s_ip4 = (NMSettingIP4Config *) nm_setting_ip4_config_new ();
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g_object_set (G_OBJECT (s_ip4),
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NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_AUTO,
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NULL);
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nm_connection_add_setting (connection, NM_SETTING (s_ip4));
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/* Ask the settings service to add the new connection; we'll quit the
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* mainloop and exit when the callback is called.
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*/
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nm_client_add_connection_async (client, connection, TRUE, NULL, added_cb, loop);
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g_object_unref (connection);
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}
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int
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main (int argc, char *argv[])
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{
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NMClient *client;
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GMainLoop *loop;
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GError *error = NULL;
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#if !GLIB_CHECK_VERSION (2, 35, 0)
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/* Initialize GType system */
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g_type_init ();
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#endif
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loop = g_main_loop_new (NULL, FALSE);
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/* Connect to NetworkManager */
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client = nm_client_new (NULL, &error);
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if (!client) {
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g_message ("Error: Could not connect to NetworkManager: %s.", error->message);
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g_error_free (error);
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return 1;
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}
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/* Ask NM to add the new connection */
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add_connection (client, loop, "__Test connection__");
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/* Wait for the connection to be added */
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g_main_loop_run (loop);
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/* Clean up */
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g_object_unref (client);
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return 0;
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}
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