external/gpl2/lvm2/dist/tools/polldaemon.h

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2003-2004 Sistina Software, Inc. All rights reserved.
   5  * Copyright (C) 2004 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 #ifndef _LVM_TOOL_POLLDAEMON_H
  19 #define _LVM_TOOL_POLLDAEMON_H
  20
  21 #include "metadata-exported.h"
  22
  23 typedef enum {
  24         PROGRESS_CHECK_FAILED = 0,
  25         PROGRESS_UNFINISHED = 1,
  26         PROGRESS_FINISHED_SEGMENT = 2,
  27         PROGRESS_FINISHED_ALL = 3
  28 } progress_t;
  29
  30 struct daemon_parms;
  31
  32 struct poll_functions {
  33         const char *(*get_copy_name_from_lv) (struct logical_volume *lv);
  34         struct volume_group *(*get_copy_vg) (struct cmd_context *cmd,
  35                                              const char *name,
  36                                              const char *uuid);
  37         struct logical_volume *(*get_copy_lv) (struct cmd_context *cmd,
  38                                                struct volume_group *vg,
  39                                                const char *name,
  40                                                const char *uuid,
  41                                                uint32_t lv_type);
  42         progress_t (*poll_progress)(struct cmd_context *cmd,
  43                                     struct logical_volume *lv,
  44                                     const char *name,
  45                                     struct daemon_parms *parms);
  46         int (*update_metadata) (struct cmd_context *cmd,
  47                                 struct volume_group *vg,
  48                                 struct logical_volume *lv,
  49                                 struct dm_list *lvs_changed, unsigned flags);
  50         int (*finish_copy) (struct cmd_context *cmd,
  51                             struct volume_group *vg,
  52                             struct logical_volume *lv,
  53                             struct dm_list *lvs_changed);
  54 };
  55
  56 struct daemon_parms {
  57         unsigned interval;
  58         unsigned aborting;
  59         unsigned background;
  60         unsigned outstanding_count;
  61         unsigned progress_display;
  62         const char *progress_title;
  63         uint32_t lv_type;
  64         struct poll_functions *poll_fns;
  65 };
  66
  67 int poll_daemon(struct cmd_context *cmd, const char *name, const char *uuid,
  68                 unsigned background,
  69                 uint32_t lv_type, struct poll_functions *poll_fns,
  70                 const char *progress_title);
  71
  72 progress_t poll_mirror_progress(struct cmd_context *cmd,
  73                                 struct logical_volume *lv, const char *name,
  74                                 struct daemon_parms *parms);
  75
  76 #endif