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/* cyr_df.c -- report Cyrus spool partition disk space usage
*
* Copyright (c) 1994-2009 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
* 4615 Forbes Avenue
* Suite 302
* Pittsburgh, PA 15213
* (412) 268-7393, fax: (412) 268-7395
* innovation@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <config.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <sysexits.h>
#include "string.h"
#include <sys/statvfs.h>
#include <sys/types.h>
#include "global.h"
#include "util.h"
#include "xmalloc.h"
extern int optind;
extern char *optarg;
/* forward declarations */
static void usage(void);
static void get_part_stats(const char *key, const char *val, void *rock);
int main(int argc, char *argv[])
{
int opt, code = 0;
char *alt_config = NULL;
int meta = 0;
while ((opt = getopt(argc, argv, "C:m")) != EOF) {
switch (opt) {
case 'C': /* alt config file */
alt_config = optarg;
break;
case 'm': /* check metapartitions */
meta = 1;
break;
default:
usage();
}
}
cyrus_init(alt_config, "cyr_df", 0, 0);
printf("%-12s %12s %12s %12s %3s %s\n", "Partition",
"1k-blocks", "Used", "Available", "Use%", "Location");
config_foreachoverflowstring(get_part_stats, &meta);
cyrus_done();
exit(code);
}
static void usage(void)
{
fprintf(stderr,
"usage: cyr_df [-C <alt_config>] [-m]\n");
exit(EX_USAGE);
}
/*
* config_foreachoverflowstring() callback function to find partition-
* options and print filesystem stats
*/
static void get_part_stats(const char *key, const char *val, void *rock)
{
int meta = *((int*) rock);
const char *part, *path;
struct statvfs s;
long blocks_used;
long blocks_percent_used;
if (meta) {
if (strncmp("meta", key, 4)) return;
key += 4;
}
if (strncmp("partition-", key, 10)) return;
part = key+10;
path = val;
if (statvfs(path, &s)) return;
blocks_used = s.f_blocks - s.f_bfree;
blocks_percent_used = (long)
(blocks_used * 100.0 / (blocks_used + s.f_bavail) + 0.5);
printf("%-12s %12ld %12ld %12ld %3ld%% %s\n",
part,
(long) (s.f_blocks * (s.f_frsize / 1024.0)),
(long) ((s.f_blocks - s.f_bfree) * (s.f_frsize / 1024.0)),
(long) (s.f_bavail * (s.f_frsize / 1024.0)),
blocks_percent_used, path);
}
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