xref: /netbsd-src/external/gpl2/lvm2/dist/tools/vgdisplay.c (revision 50728e7823a76d5bd1a7bfa3a4eac400269b1339)
1 /*	$NetBSD: vgdisplay.c,v 1.1.1.1 2008/12/22 00:19:09 haad Exp $	*/
2 
3 /*
4  * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
5  * Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
6  *
7  * This file is part of LVM2.
8  *
9  * This copyrighted material is made available to anyone wishing to use,
10  * modify, copy, or redistribute it subject to the terms and conditions
11  * of the GNU Lesser General Public License v.2.1.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program; if not, write to the Free Software Foundation,
15  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16  */
17 
18 #include "tools.h"
19 
20 static int vgdisplay_single(struct cmd_context *cmd, const char *vg_name,
21 			    struct volume_group *vg, int consistent,
22 			    void *handle __attribute((unused)))
23 {
24 	/* FIXME Do the active check here if activevolumegroups_ARG ? */
25 	if (!vg) {
26 		log_error("Volume group \"%s\" doesn't exist", vg_name);
27 		return ECMD_FAILED;
28 	}
29 
30 	if (!consistent)
31 		log_error("WARNING: Volume group \"%s\" inconsistent", vg_name);
32 
33 	vg_check_status(vg, EXPORTED_VG);
34 
35 	if (arg_count(cmd, colon_ARG)) {
36 		vgdisplay_colons(vg);
37 		return ECMD_PROCESSED;
38 	}
39 
40 	if (arg_count(cmd, short_ARG)) {
41 		vgdisplay_short(vg);
42 		return ECMD_PROCESSED;
43 	}
44 
45 	vgdisplay_full(vg);	/* was vg_show */
46 
47 	if (arg_count(cmd, verbose_ARG)) {
48 		vgdisplay_extents(vg);
49 
50 		process_each_lv_in_vg(cmd, vg, NULL, NULL, NULL,
51 				      (process_single_lv_fn_t)lvdisplay_full);
52 
53 		log_print("--- Physical volumes ---");
54 		process_each_pv_in_vg(cmd, vg, NULL, NULL,
55 				      (process_single_pv_fn_t)pvdisplay_short);
56 	}
57 
58 	check_current_backup(vg);
59 
60 	return ECMD_PROCESSED;
61 }
62 
63 int vgdisplay(struct cmd_context *cmd, int argc, char **argv)
64 {
65 	if (arg_count(cmd, columns_ARG)) {
66 		if (arg_count(cmd, colon_ARG) ||
67 		    arg_count(cmd, activevolumegroups_ARG) ||
68 		    arg_count(cmd, short_ARG)) {
69 			log_error("Incompatible options selected");
70 			return EINVALID_CMD_LINE;
71 		}
72 		return vgs(cmd, argc, argv);
73 	} else if (arg_count(cmd, aligned_ARG) ||
74 		   arg_count(cmd, noheadings_ARG) ||
75 		   arg_count(cmd, options_ARG) ||
76 		   arg_count(cmd, separator_ARG) ||
77 		   arg_count(cmd, sort_ARG) || arg_count(cmd, unbuffered_ARG)) {
78 		log_error("Incompatible options selected");
79 		return EINVALID_CMD_LINE;
80 	}
81 
82 	if (arg_count(cmd, colon_ARG) && arg_count(cmd, short_ARG)) {
83 		log_error("Option -c is not allowed with option -s");
84 		return EINVALID_CMD_LINE;
85 	}
86 
87 	if (argc && arg_count(cmd, activevolumegroups_ARG)) {
88 		log_error("Option -A is not allowed with volume group names");
89 		return EINVALID_CMD_LINE;
90 	}
91 
92 	/* FIXME -D disk_ARG is now redundant */
93 
94 /********* FIXME: Do without this - or else 2(+) passes!
95 	   Figure out longest volume group name
96 	for (c = opt; opt < argc; opt++) {
97 		len = strlen(argv[opt]);
98 		if (len > max_len)
99 			max_len = len;
100 	}
101 **********/
102 
103 	return process_each_vg(cmd, argc, argv, LCK_VG_READ, 0, NULL,
104 			       vgdisplay_single);
105 
106 /******** FIXME Need to count number processed
107 	  Add this to process_each_vg if arg_count(cmd,activevolumegroups_ARG) ?
108 
109 	if (opt == argc) {
110 		log_print("no ");
111 		if (arg_count(cmd,activevolumegroups_ARG))
112 			printf("active ");
113 		printf("volume groups found\n\n");
114 		return LVM_E_NO_VG;
115 	}
116 ************/
117 }
118