/*      $NetBSD: polldaemon.h,v 1.1.1.2 2009/12/02 00:25:53 haad Exp $  */

/*
* Copyright (C) 2003-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004 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
*/

#ifndef _LVM_TOOL_POLLDAEMON_H
#define _LVM_TOOL_POLLDAEMON_H

#include "metadata-exported.h"

typedef enum {
       PROGRESS_CHECK_FAILED = 0,
       PROGRESS_UNFINISHED = 1,
       PROGRESS_FINISHED_SEGMENT = 2,
       PROGRESS_FINISHED_ALL = 3
} progress_t;

struct daemon_parms;

struct poll_functions {
       const char *(*get_copy_name_from_lv) (struct logical_volume *lv);
       struct volume_group *(*get_copy_vg) (struct cmd_context *cmd,
                                            const char *name,
                                            const char *uuid);
       struct logical_volume *(*get_copy_lv) (struct cmd_context *cmd,
                                              struct volume_group *vg,
                                              const char *name,
                                              const char *uuid,
                                              uint32_t lv_type);
       progress_t (*poll_progress)(struct cmd_context *cmd,
                                   struct logical_volume *lv,
                                   const char *name,
                                   struct daemon_parms *parms);
       int (*update_metadata) (struct cmd_context *cmd,
                               struct volume_group *vg,
                               struct logical_volume *lv,
                               struct dm_list *lvs_changed, unsigned flags);
       int (*finish_copy) (struct cmd_context *cmd,
                           struct volume_group *vg,
                           struct logical_volume *lv,
                           struct dm_list *lvs_changed);
};

struct daemon_parms {
       unsigned interval;
       unsigned aborting;
       unsigned background;
       unsigned outstanding_count;
       unsigned progress_display;
       const char *progress_title;
       uint32_t lv_type;
       struct poll_functions *poll_fns;
};

int poll_daemon(struct cmd_context *cmd, const char *name, const char *uuid,
               unsigned background,
               uint32_t lv_type, struct poll_functions *poll_fns,
               const char *progress_title);

progress_t poll_mirror_progress(struct cmd_context *cmd,
                               struct logical_volume *lv, const char *name,
                               struct daemon_parms *parms);

#endif