1 /*
2 * Copyright (c) 2020 Tomohiro Kusumi <tkusumi@netbsd.org>
3 * Copyright (c) 2020 The DragonFly Project
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to The DragonFly Project
7 * by Matthew Dillon <dillon@dragonflybsd.org>
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 * 3. Neither the name of The DragonFly Project nor the names of its
20 * contributors may be used to endorse or promote products derived
21 * from this software without specific, prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
26 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
27 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
29 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
31 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
33 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37 #include "hammer2.h"
38
39 int
cmd_volume_list(int ac,char ** av)40 cmd_volume_list(int ac, char **av)
41 {
42 hammer2_ioc_volume_list_t vollist;
43 hammer2_ioc_volume_t *entry;
44 int fd, i, j, n, w, all = 0, ecode = 0;
45
46 if (ac == 1 && av[0] == NULL) {
47 av = get_hammer2_mounts(&ac);
48 all = 1;
49 }
50 vollist.volumes = calloc(HAMMER2_MAX_VOLUMES, sizeof(*vollist.volumes));
51
52 for (i = 0; i < ac; ++i) {
53 if (i)
54 printf("\n");
55 if (ac > 1 || all)
56 printf("%s\n", av[i]);
57 if ((fd = hammer2_ioctl_handle(av[i])) < 0) {
58 ecode = 1;
59 goto failed;
60 }
61
62 vollist.nvolumes = HAMMER2_MAX_VOLUMES;
63 if (ioctl(fd, HAMMER2IOC_VOLUME_LIST, &vollist) < 0) {
64 perror("ioctl");
65 close(fd);
66 ecode = 1;
67 goto failed;
68 }
69
70 w = 0;
71 for (j = 0; j < vollist.nvolumes; ++j) {
72 entry = &vollist.volumes[j];
73 n = (int)strlen(entry->path);
74 if (n > w)
75 w = n;
76 }
77
78 if (QuietOpt > 0) {
79 for (j = 0; j < vollist.nvolumes; ++j) {
80 entry = &vollist.volumes[j];
81 printf("%s\n", entry->path);
82 }
83 } else {
84 printf("version %d\n", vollist.version);
85 printf("@%s\n", vollist.pfs_name);
86 for (j = 0; j < vollist.nvolumes; ++j) {
87 entry = &vollist.volumes[j];
88 printf("volume%-2d %-*.*s %s",
89 entry->id, w, w, entry->path,
90 sizetostr(entry->size));
91 if (VerboseOpt > 0)
92 printf(" 0x%016jx 0x%016jx",
93 (intmax_t)entry->offset,
94 (intmax_t)entry->size);
95 printf("\n");
96 }
97 }
98 close(fd);
99 }
100 failed:
101 free(vollist.volumes);
102 if (all)
103 put_hammer2_mounts(ac, av);
104
105 return (ecode);
106 }
107