/*      $NetBSD: vgdisplay.c,v 1.1.1.2 2009/12/02 00:25:57 haad Exp $   */

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "tools.h"

static int vgdisplay_single(struct cmd_context *cmd, const char *vg_name,
                           struct volume_group *vg,
                           void *handle __attribute((unused)))
{
       /* FIXME Do the active check here if activevolumegroups_ARG ? */
       vg_check_status(vg, EXPORTED_VG);

       if (arg_count(cmd, colon_ARG)) {
               vgdisplay_colons(vg);
               return ECMD_PROCESSED;
       }

       if (arg_count(cmd, short_ARG)) {
               vgdisplay_short(vg);
               return ECMD_PROCESSED;
       }

       vgdisplay_full(vg);     /* was vg_show */

       if (arg_count(cmd, verbose_ARG)) {
               vgdisplay_extents(vg);

               process_each_lv_in_vg(cmd, vg, NULL, NULL, NULL,
                                     (process_single_lv_fn_t)lvdisplay_full);

               log_print("--- Physical volumes ---");
               process_each_pv_in_vg(cmd, vg, NULL, NULL,
                                     (process_single_pv_fn_t)pvdisplay_short);
       }

       check_current_backup(vg);

       return ECMD_PROCESSED;
}

int vgdisplay(struct cmd_context *cmd, int argc, char **argv)
{
       if (arg_count(cmd, columns_ARG)) {
               if (arg_count(cmd, colon_ARG) ||
                   arg_count(cmd, activevolumegroups_ARG) ||
                   arg_count(cmd, short_ARG)) {
                       log_error("Incompatible options selected");
                       return EINVALID_CMD_LINE;
               }
               return vgs(cmd, argc, argv);
       } else if (arg_count(cmd, aligned_ARG) ||
                  arg_count(cmd, noheadings_ARG) ||
                  arg_count(cmd, options_ARG) ||
                  arg_count(cmd, separator_ARG) ||
                  arg_count(cmd, sort_ARG) || arg_count(cmd, unbuffered_ARG)) {
               log_error("Incompatible options selected");
               return EINVALID_CMD_LINE;
       }

       if (arg_count(cmd, colon_ARG) && arg_count(cmd, short_ARG)) {
               log_error("Option -c is not allowed with option -s");
               return EINVALID_CMD_LINE;
       }

       if (argc && arg_count(cmd, activevolumegroups_ARG)) {
               log_error("Option -A is not allowed with volume group names");
               return EINVALID_CMD_LINE;
       }

/********* FIXME: Do without this - or else 2(+) passes!
          Figure out longest volume group name
       for (c = opt; opt < argc; opt++) {
               len = strlen(argv[opt]);
               if (len > max_len)
                       max_len = len;
       }
**********/

       return process_each_vg(cmd, argc, argv, 0, NULL,
                              vgdisplay_single);

/******** FIXME Need to count number processed
         Add this to process_each_vg if arg_count(cmd,activevolumegroups_ARG) ?

       if (opt == argc) {
               log_print("no ");
               if (arg_count(cmd,activevolumegroups_ARG))
                       printf("active ");
               printf("volume groups found\n\n");
               return LVM_E_NO_VG;
       }
************/
}