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/*
* libstatgrab
* https://libstatgrab.org
* Copyright (C) 2003-2004 Peter Saunders
* Copyright (C) 2003-2019 Tim Bishop
* Copyright (C) 2003-2013 Adam Sampson
* Copyright (C) 2012-2019 Jens Rehsack
*
* 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.
*/
/* A very basic example of how to get the filesystem statistics from the
* system and display them.
*/
#include <stdio.h>
#include <statgrab.h>
#include <stdlib.h>
#include <unistd.h>
#include "helpers.h"
#ifdef HAVE_LOG4CPLUS_INITIALIZE
static void *l4cplus_initializer;
static void
cleanup_logging(void)
{
log4cplus_deinitialize(l4cplus_initializer);
}
#endif
int main(int argc, char **argv){
sg_fs_stats *fs_stats;
size_t fs_size;
#ifdef HAVE_LOG4CPLUS_INITIALIZE
l4cplus_initializer = log4cplus_initialize();
atexit((void (*)(void))cleanup_logging);
#endif
/* Initialise helper - e.g. logging, if any */
sg_log_init("libstatgrab-examples", "SGEXAMPLES_LOG_PROPERTIES", argc ? argv[0] : NULL);
/* Initialise statgrab */
sg_init(1);
/* Drop setuid/setgid privileges. */
if (sg_drop_privileges() != 0) {
perror("Error. Failed to drop privileges");
return 1;
}
fs_stats = sg_get_fs_stats(&fs_size);
if(fs_stats == NULL)
sg_die("Failed to get file systems snapshot", 1);
printf( "%-16s %-24s %-8s %16s %16s %16s %7s %7s %7s %7s %9s %9s %7s %7s %7s %7s\n",
"device", "mountpt", "fstype", "size", "used", "avail",
"i-total", "i-used", "i-free", "i-avail",
"io size", "block size",
"b-total", "b-used", "b-free", "b-avail");
for( ; fs_size > 0 ; --fs_size, ++fs_stats ) {
printf( "%-16s %-24s %-8s %16llu %16llu %16llu %7llu %7llu %7llu %7llu %9llu %9llu %7llu %7llu %7llu %7llu\n",
fs_stats->device_name, fs_stats->mnt_point, fs_stats->fs_type,
fs_stats->size, fs_stats->used, fs_stats->avail,
fs_stats->total_inodes, fs_stats->used_inodes, fs_stats->free_inodes, fs_stats->avail_inodes,
fs_stats->io_size, fs_stats->block_size,
fs_stats->total_blocks, fs_stats->used_blocks, fs_stats->free_blocks, fs_stats->avail_blocks);
}
return 0;
}
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