libstatgrab/examples/network_iface_stats.c

/*
 * i-scream libstatgrab
 * http://www.i-scream.org
 * Copyright (C) 2000-2004 i-scream
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Id
 */

#include <stdio.h>
#include <statgrab.h>
#include <stdlib.h>
#include <unistd.h>

int main(int argc, char **argv){

        sg_network_iface_stats *network_iface_stats;
        int iface_count, i;

        /* Initialise statgrab */
        sg_init();

        /* Drop setuid/setgid privileges. */
        if (sg_drop_privileges() != 0) {
                perror("Error. Failed to drop privileges");
                return 1;
        }

        network_iface_stats = sg_get_network_iface_stats(&iface_count);

        if(network_iface_stats == NULL){
                fprintf(stderr, "Failed to get network interface stats\n");
                exit(1);
        }

        if (argc != 1) {
                /* If an argument is given, use bsearch to find just that
                 * interface. */
                sg_network_iface_stats key;

                key.interface_name = argv[1];
                network_iface_stats = bsearch(&key, network_iface_stats,
                                              iface_count,
                                              sizeof *network_iface_stats,
                                              sg_network_iface_compare_name);
                if (network_iface_stats == NULL) {
                        fprintf(stderr, "Interface %s not found\n", argv[1]);
                        exit(1);
                }
                iface_count = 1;
        }

        printf("Name\tSpeed\tDuplex\n");
        for(i = 0; i < iface_count; i++) {
                printf("%s\t%d\t", network_iface_stats->interface_name, network_iface_stats->speed);
                switch (network_iface_stats->dup) {
                case SG_IFACE_DUPLEX_FULL:
                        printf("full\n");
                        break;
                case SG_IFACE_DUPLEX_HALF:
                        printf("half\n");
                        break;
                default:
                        printf("unknown\n");
                        break;
                }
                network_iface_stats++;
        }

        exit(0);
}
Revision:	1.6
Committed:	Thu Apr 8 13:44:44 2004 UTC (20 years, 7 months ago) by ats
Content type:	text/plain
Branch:	MAIN
CVS Tags:	LIBSTATGRAB_0_11_1, LIBSTATGRAB_0_11, LIBSTATGRAB_0_10_3, LIBSTATGRAB_0_10_2, LIBSTATGRAB_0_10_1, LIBSTATGRAB_0_10
Changes since 1.5:	+17 -0 lines
Log Message:	Add comparison functions for names where that's likely to be useful. Make the network_iface_stats example show how to use bsearch to find an interface by name.
#	User	Rev	Content
1	tdb	1.1	/*
2	tdb	1.5	* i-scream libstatgrab
3	tdb	1.1	* http://www.i-scream.org
4			* Copyright (C) 2000-2004 i-scream
5			*
6			* This program is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU General Public License
8			* as published by the Free Software Foundation; either version 2
9			* of the License, or (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19			*
20			* $Id
21			*/
22
23			#include <stdio.h>
24			#include <statgrab.h>
25			#include <stdlib.h>
26			#include <unistd.h>
27
28			int main(int argc, char **argv){
29
30	tdb	1.4	sg_network_iface_stats *network_iface_stats;
31	tdb	1.1	int iface_count, i;
32
33			/* Initialise statgrab */
34	tdb	1.4	sg_init();
35	tdb	1.1
36			/* Drop setuid/setgid privileges. */
37	tdb	1.4	if (sg_drop_privileges() != 0) {
38	tdb	1.1	perror("Error. Failed to drop privileges");
39			return 1;
40			}
41
42	tdb	1.4	network_iface_stats = sg_get_network_iface_stats(&iface_count);
43	tdb	1.1
44			if(network_iface_stats == NULL){
45			fprintf(stderr, "Failed to get network interface stats\n");
46			exit(1);
47			}
48
49	ats	1.6	if (argc != 1) {
50			/* If an argument is given, use bsearch to find just that
51			* interface. */
52			sg_network_iface_stats key;
53
54			key.interface_name = argv[1];
55			network_iface_stats = bsearch(&key, network_iface_stats,
56			iface_count,
57			sizeof *network_iface_stats,
58			sg_network_iface_compare_name);
59			if (network_iface_stats == NULL) {
60			fprintf(stderr, "Interface %s not found\n", argv[1]);
61			exit(1);
62			}
63			iface_count = 1;
64			}
65
66	tdb	1.1	printf("Name\tSpeed\tDuplex\n");
67			for(i = 0; i < iface_count; i++) {
68			printf("%s\t%d\t", network_iface_stats->interface_name, network_iface_stats->speed);
69			switch (network_iface_stats->dup) {
70	tdb	1.4	case SG_IFACE_DUPLEX_FULL:
71	tdb	1.1	printf("full\n");
72			break;
73	tdb	1.4	case SG_IFACE_DUPLEX_HALF:
74	tdb	1.1	printf("half\n");
75			break;
76			default:
77			printf("unknown\n");
78			break;
79			}
80	tdb	1.3	network_iface_stats++;
81	tdb	1.1	}
82
83			exit(0);
84			}