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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->duplex) {
            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);
}

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