2008-02-20 20:30:45 +00:00
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/* Conky, a system monitor, based on torsmo
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2005-08-05 01:06:17 +00:00
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*
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2007-08-10 19:53:44 +00:00
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* Any original torsmo code is licensed under the BSD license
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*
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* All code written since the fork of torsmo is licensed under the GPL
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*
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* Please see COPYING for details
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*
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* Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
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2008-02-20 20:30:45 +00:00
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* Copyright (c) 2005-2007 Brenden Matthews, Philip Kovacs, et. al.
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* (see AUTHORS)
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2007-08-10 19:53:44 +00:00
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* All rights reserved.
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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 3 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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* You should have received a copy of the GNU General Public License
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2008-02-20 20:30:45 +00:00
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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2005-08-05 01:06:17 +00:00
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*
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2008-02-20 20:30:45 +00:00
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* $Id$ */
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2005-08-05 01:06:17 +00:00
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2005-07-20 00:30:40 +00:00
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#include "conky.h"
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <fcntl.h>
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/* linux */
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#ifdef HAVE_SYS_STATFS_H
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#include <sys/statfs.h>
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#endif
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/* freebsd && netbsd */
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_SYS_MOUNT_H
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#include <sys/mount.h>
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#endif
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2005-11-01 03:19:34 +00:00
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#define MAX_FS_STATS 64
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2005-07-20 00:30:40 +00:00
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2005-11-01 03:19:34 +00:00
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static struct fs_stat fs_stats_[MAX_FS_STATS];
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2005-07-20 00:30:40 +00:00
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struct fs_stat *fs_stats = fs_stats_;
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2008-02-20 20:30:45 +00:00
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static void update_fs_stat(struct fs_stat *fs);
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2005-11-01 03:19:34 +00:00
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2005-07-20 00:30:40 +00:00
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void update_fs_stats()
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{
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2005-11-01 03:19:34 +00:00
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unsigned i;
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2008-02-20 20:30:45 +00:00
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for (i = 0; i < MAX_FS_STATS; ++i) {
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if (fs_stats[i].path) {
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2005-11-01 03:19:34 +00:00
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update_fs_stat(&fs_stats[i]);
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2008-02-20 20:30:45 +00:00
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}
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}
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2005-07-20 00:30:40 +00:00
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}
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void clear_fs_stats()
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{
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2005-11-01 03:19:34 +00:00
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unsigned i;
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2008-02-20 20:30:45 +00:00
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for (i = 0; i < MAX_FS_STATS; ++i) {
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if (fs_stats[i].path) {
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2005-07-20 00:30:40 +00:00
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free(fs_stats[i].path);
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2008-02-20 20:30:45 +00:00
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fs_stats[i].path = NULL;
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2005-07-20 00:30:40 +00:00
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}
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2008-02-20 20:30:45 +00:00
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}
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2005-07-20 00:30:40 +00:00
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}
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2005-11-01 03:19:34 +00:00
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struct fs_stat *prepare_fs_stat(const char *s)
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2005-08-22 00:24:24 +00:00
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{
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2008-02-20 20:30:45 +00:00
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struct fs_stat *new = 0;
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2005-11-01 03:19:34 +00:00
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unsigned i;
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2008-02-20 20:30:45 +00:00
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2005-11-01 03:19:34 +00:00
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/* lookup existing or get new */
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2008-02-20 20:30:45 +00:00
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for (i = 0; i < MAX_FS_STATS; ++i) {
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if (fs_stats[i].path) {
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if (strcmp(fs_stats[i].path, s) == 0) {
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2005-11-01 03:19:34 +00:00
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return &fs_stats[i];
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2008-02-20 20:30:45 +00:00
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}
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} else {
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2005-11-01 03:19:34 +00:00
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new = &fs_stats[i];
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2008-02-20 20:30:45 +00:00
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}
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2005-08-22 00:24:24 +00:00
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}
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2005-11-01 03:19:34 +00:00
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/* new path */
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2008-02-20 20:30:45 +00:00
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if (!new) {
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2005-11-01 03:19:34 +00:00
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ERR("too many fs stats");
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return 0;
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2005-08-22 00:24:24 +00:00
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}
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2005-11-01 03:19:34 +00:00
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new->path = strdup(s);
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update_fs_stat(new);
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return new;
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}
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2005-08-22 00:24:24 +00:00
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2008-02-20 20:30:45 +00:00
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static void update_fs_stat(struct fs_stat *fs)
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2005-07-20 00:30:40 +00:00
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{
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2005-11-01 03:19:34 +00:00
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struct statfs s;
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2008-02-20 20:30:45 +00:00
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if (statfs(fs->path, &s) == 0) {
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2005-11-01 03:19:34 +00:00
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fs->size = (long long) s.f_blocks * s.f_bsize;
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/* bfree (root) or bavail (non-roots) ? */
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2008-02-20 20:30:45 +00:00
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fs->avail = (long long) s.f_bavail * s.f_bsize;
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2008-02-10 11:14:19 +00:00
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fs->free = (long long) s.f_bfree * s.f_bsize;
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2005-11-01 03:19:34 +00:00
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} else {
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fs->size = 0;
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fs->avail = 0;
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2005-12-01 06:32:14 +00:00
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fs->free = 0;
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2005-11-01 03:19:34 +00:00
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ERR("statfs '%s': %s", fs->path, strerror(errno));
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2005-07-20 00:30:40 +00:00
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}
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}
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