1 /* $NetBSD: import.c,v 1.1.1.1 2008/12/22 00:18:16 haad Exp $ */
4 * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
5 * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
7 * This file is part of LVM2.
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.
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
20 #include "import-export.h"
22 #include "toolcontext.h"
25 /* FIXME Use tidier inclusion method */
26 static struct text_vg_version_ops *(_text_vsn_list[2]);
28 static int _text_import_initialised = 0;
30 static void _init_text_import()
32 if (_text_import_initialised)
35 _text_vsn_list[0] = text_vg_vsn1_init();
36 _text_vsn_list[1] = NULL;
37 _text_import_initialised = 1;
40 const char *text_vgname_import(const struct format_type *fmt,
42 off_t offset, uint32_t size,
43 off_t offset2, uint32_t size2,
44 checksum_fn_t checksum_fn, uint32_t checksum,
45 struct id *vgid, uint32_t *vgstatus,
48 struct config_tree *cft;
49 struct text_vg_version_ops **vsn;
50 const char *vgname = NULL;
54 if (!(cft = create_config_tree(NULL, 0)))
57 if ((!dev && !read_config_file(cft)) ||
58 (dev && !read_config_fd(cft, dev, offset, size,
59 offset2, size2, checksum_fn, checksum)))
63 * Find a set of version functions that can read this file
65 for (vsn = &_text_vsn_list[0]; *vsn; vsn++) {
66 if (!(*vsn)->check_version(cft))
69 if (!(vgname = (*vsn)->read_vgname(fmt, cft, vgid, vgstatus,
77 destroy_config_tree(cft);
81 struct volume_group *text_vg_import_fd(struct format_instance *fid,
84 off_t offset, uint32_t size,
85 off_t offset2, uint32_t size2,
86 checksum_fn_t checksum_fn,
88 time_t *when, char **desc)
90 struct volume_group *vg = NULL;
91 struct config_tree *cft;
92 struct text_vg_version_ops **vsn;
99 if (!(cft = create_config_tree(file, 0)))
102 if ((!dev && !read_config_file(cft)) ||
103 (dev && !read_config_fd(cft, dev, offset, size,
104 offset2, size2, checksum_fn, checksum))) {
105 log_error("Couldn't read volume group metadata.");
110 * Find a set of version functions that can read this file
112 for (vsn = &_text_vsn_list[0]; *vsn; vsn++) {
113 if (!(*vsn)->check_version(cft))
116 if (!(vg = (*vsn)->read_vg(fid, cft)))
119 (*vsn)->read_desc(fid->fmt->cmd->mem, cft, when, desc);
124 destroy_config_tree(cft);
128 struct volume_group *text_vg_import_file(struct format_instance *fid,
130 time_t *when, char **desc)
132 return text_vg_import_fd(fid, file, NULL, (off_t)0, 0, (off_t)0, 0, NULL, 0,
136 struct volume_group *import_vg_from_buffer(char *buf,
137 struct format_instance *fid)
139 struct volume_group *vg = NULL;
140 struct config_tree *cft;
141 struct text_vg_version_ops **vsn;
145 if (!(cft = create_config_tree_from_string(fid->fmt->cmd, buf)))
148 for (vsn = &_text_vsn_list[0]; *vsn; vsn++) {
149 if (!(*vsn)->check_version(cft))
151 if (!(vg = (*vsn)->read_vg(fid, cft)))
156 destroy_config_tree(cft);