1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/* -*- 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.
*
* Copyright 2011 Red Hat, Inc.
*/
/*
* The example shows how to list connections. Contrast this example with
* list-connections-gdbus.c, which is a bit lower level and talks directly to NM
* using GDBus.
*
* Compile with:
* gcc -Wall `pkg-config --libs --cflags glib-2.0 libnm` list-connections-libnm.c -o list-connections-libnm
*/
#include <glib.h>
#include <stdio.h>
#include <stdlib.h>
#include <NetworkManager.h>
/* Print details of connection */
static void
show_connection (NMConnection *connection)
{
NMSettingConnection *s_con;
guint64 timestamp;
char *timestamp_str;
char timestamp_real_str[64];
const char *val1, *val2, *val3, *val4, *val5;
s_con = nm_connection_get_setting_connection (connection);
if (s_con) {
/* Get various info from NMSettingConnection and show it */
timestamp = nm_setting_connection_get_timestamp (s_con);
timestamp_str = g_strdup_printf ("%" G_GUINT64_FORMAT, timestamp);
strftime (timestamp_real_str, sizeof (timestamp_real_str), "%c", localtime ((time_t *) ×tamp));
val1 = nm_setting_connection_get_id (s_con);
val2 = nm_setting_connection_get_uuid (s_con);
val3 = nm_setting_connection_get_connection_type (s_con);
val4 = nm_connection_get_path (connection);
val5 = timestamp ? timestamp_real_str : "never";
printf ("%-25s | %s | %-15s | %-43s | %s\n", val1, val2, val3, val4, val5);
g_free (timestamp_str);
}
}
int
main (int argc, char *argv[])
{
NMClient *client;
GError *error = NULL;
const GPtrArray *connections;
int i;
#if !GLIB_CHECK_VERSION (2, 35, 0)
/* Initialize GType system */
g_type_init ();
#endif
if (!(client = nm_client_new (NULL, &error))) {
g_message ("Error: Could not connect to NetworkManager: %s.", error->message);
g_error_free (error);
return EXIT_FAILURE;
}
if (!nm_client_get_nm_running (client)) {
g_message ("Error: Can't obtain connections: NetworkManager is not running.");
return EXIT_FAILURE;
}
/* Now the connections can be listed. */
connections = nm_client_get_connections (client);
printf ("Connections:\n===================\n");
for (i = 0; i < connections->len; i++)
show_connection (connections->pdata[i]);
g_object_unref (client);
return EXIT_SUCCESS;
}
|