external/gpl2/lvm2/dist/tools/vgdisplay.c

   1 /*      $NetBSD$        */
   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,
  22                             void *handle __attribute((unused)))
  23 {
  24         /* FIXME Do the active check here if activevolumegroups_ARG ? */
  25         vg_check_status(vg, EXPORTED_VG);
  26
  27         if (arg_count(cmd, colon_ARG)) {
  28                 vgdisplay_colons(vg);
  29                 return ECMD_PROCESSED;
  30         }
  31
  32         if (arg_count(cmd, short_ARG)) {
  33                 vgdisplay_short(vg);
  34                 return ECMD_PROCESSED;
  35         }
  36
  37         vgdisplay_full(vg);     /* was vg_show */
  38
  39         if (arg_count(cmd, verbose_ARG)) {
  40                 vgdisplay_extents(vg);
  41
  42                 process_each_lv_in_vg(cmd, vg, NULL, NULL, NULL,
  43                                       (process_single_lv_fn_t)lvdisplay_full);
  44
  45                 log_print("--- Physical volumes ---");
  46                 process_each_pv_in_vg(cmd, vg, NULL, NULL,
  47                                       (process_single_pv_fn_t)pvdisplay_short);
  48         }
  49
  50         check_current_backup(vg);
  51
  52         return ECMD_PROCESSED;
  53 }
  54
  55 int vgdisplay(struct cmd_context *cmd, int argc, char **argv)
  56 {
  57         if (arg_count(cmd, columns_ARG)) {
  58                 if (arg_count(cmd, colon_ARG) ||
  59                     arg_count(cmd, activevolumegroups_ARG) ||
  60                     arg_count(cmd, short_ARG)) {
  61                         log_error("Incompatible options selected");
  62                         return EINVALID_CMD_LINE;
  63                 }
  64                 return vgs(cmd, argc, argv);
  65         } else if (arg_count(cmd, aligned_ARG) ||
  66                    arg_count(cmd, noheadings_ARG) ||
  67                    arg_count(cmd, options_ARG) ||
  68                    arg_count(cmd, separator_ARG) ||
  69                    arg_count(cmd, sort_ARG) || arg_count(cmd, unbuffered_ARG)) {
  70                 log_error("Incompatible options selected");
  71                 return EINVALID_CMD_LINE;
  72         }
  73
  74         if (arg_count(cmd, colon_ARG) && arg_count(cmd, short_ARG)) {
  75                 log_error("Option -c is not allowed with option -s");
  76                 return EINVALID_CMD_LINE;
  77         }
  78
  79         if (argc && arg_count(cmd, activevolumegroups_ARG)) {
  80                 log_error("Option -A is not allowed with volume group names");
  81                 return EINVALID_CMD_LINE;
  82         }
  83
  84 /********* FIXME: Do without this - or else 2(+) passes!
  85            Figure out longest volume group name
  86         for (c = opt; opt < argc; opt++) {
  87                 len = strlen(argv[opt]);
  88                 if (len > max_len)
  89                         max_len = len;
  90         }
  91 **********/
  92
  93         return process_each_vg(cmd, argc, argv, 0, NULL,
  94                                vgdisplay_single);
  95
  96 /******** FIXME Need to count number processed
  97           Add this to process_each_vg if arg_count(cmd,activevolumegroups_ARG) ?
  98
  99         if (opt == argc) {
 100                 log_print("no ");
 101                 if (arg_count(cmd,activevolumegroups_ARG))
 102                         printf("active ");
 103                 printf("volume groups found\n\n");
 104                 return LVM_E_NO_VG;
 105         }
 106 ************/
 107 }