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/*-
* Copyright (c) 2012 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Semihalf under sponsorship
* from the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <sysexits.h>
#include <time.h>
#include <fs/nandfs/nandfs_fs.h>
#include <libnandfs.h>
#include "nandfs.h"
#define NCPINFO 512
static void
lssnap_usage(void)
{
fprintf(stderr, "usage:\n");
fprintf(stderr, "\tlssnap node\n");
}
static void
print_cpinfo(struct nandfs_cpinfo *cpinfo)
{
struct tm tm;
time_t t;
char timebuf[128];
t = (time_t)cpinfo->nci_create;
localtime_r(&t, &tm);
strftime(timebuf, sizeof(timebuf), "%F %T", &tm);
printf("%20llu %s\n", (unsigned long long)cpinfo->nci_cno, timebuf);
}
int
nandfs_lssnap(int argc, char **argv)
{
struct nandfs_cpinfo *cpinfos;
struct nandfs fs;
uint64_t next;
int error, nsnap, i;
if (argc != 1) {
lssnap_usage();
return (EX_USAGE);
}
cpinfos = malloc(sizeof(*cpinfos) * NCPINFO);
if (cpinfos == NULL) {
fprintf(stderr, "cannot allocate memory\n");
return (-1);
}
nandfs_init(&fs, argv[0]);
error = nandfs_open(&fs);
if (error == -1) {
fprintf(stderr, "nandfs_open: %s\n", nandfs_errmsg(&fs));
goto out;
}
for (next = 1; next != 0; next = cpinfos[nsnap - 1].nci_next) {
nsnap = nandfs_get_snap(&fs, next, cpinfos, NCPINFO);
if (nsnap < 1)
break;
for (i = 0; i < nsnap; i++)
print_cpinfo(&cpinfos[i]);
}
if (nsnap == -1)
fprintf(stderr, "nandfs_get_snap: %s\n", nandfs_errmsg(&fs));
out:
nandfs_close(&fs);
nandfs_destroy(&fs);
free(cpinfos);
return (error);
}
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