1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*
* Copyright (C) 2008,2009 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 "lib.h"
#include "toolcontext.h"
#include "locking.h"
#include "lvm-version.h"
#include "metadata-exported.h"
#include "lvm2app.h"
const char *lvm_library_get_version(void)
{
return LVM_VERSION;
}
lvm_t lvm_init(const char *system_dir)
{
struct cmd_context *cmd;
/* FIXME: logging bound to handle
*/
if (!udev_init_library_context())
stack;
/* create context */
/* FIXME: split create_toolcontext */
/* FIXME: make all globals configurable */
cmd = create_toolcontext(0, system_dir, 1, 0);
if (!cmd)
return NULL;
if (stored_errno())
return (lvm_t) cmd;
/*
* FIXME: if an non memory error occured, return the cmd (maybe some
* cleanup needed).
*/
/* initialization from lvm_run_command */
init_error_message_produced(0);
/* FIXME: locking_type config option needed? */
/* initialize locking */
if (!init_locking(-1, cmd, 0)) {
/* FIXME: use EAGAIN as error code here */
lvm_quit((lvm_t) cmd);
return NULL;
}
/*
* FIXME: Use cmd->cmd_line as audit trail for liblvm calls. Used in
* archive() call. Possible example:
* cmd_line = "lvm_vg_create: vg1\nlvm_vg_extend vg1 /dev/sda1\n"
*/
cmd->cmd_line = "liblvm";
return (lvm_t) cmd;
}
void lvm_quit(lvm_t libh)
{
destroy_toolcontext((struct cmd_context *)libh);
udev_fin_library_context();
}
int lvm_config_reload(lvm_t libh)
{
/* FIXME: re-init locking needed here? */
if (!refresh_toolcontext((struct cmd_context *)libh))
return -1;
return 0;
}
/*
* FIXME: submit a patch to document the --config option
*/
int lvm_config_override(lvm_t libh, const char *config_settings)
{
struct cmd_context *cmd = (struct cmd_context *)libh;
if (override_config_tree_from_string(cmd, config_settings))
return -1;
return 0;
}
int lvm_config_find_bool(lvm_t libh, const char *config_path, int fail)
{
return find_config_tree_bool((struct cmd_context *)libh, config_path, fail);
}
int lvm_errno(lvm_t libh)
{
return stored_errno();
}
const char *lvm_errmsg(lvm_t libh)
{
return stored_errmsg();
}
const char *lvm_vgname_from_pvid(lvm_t libh, const char *pvid)
{
struct cmd_context *cmd = (struct cmd_context *)libh;
struct id id;
if (!id_read_format(&id, pvid)) {
log_error(INTERNAL_ERROR "Unable to convert uuid");
return NULL;
}
return find_vgname_from_pvid(cmd, (char *)id.uuid);
}
const char *lvm_vgname_from_device(lvm_t libh, const char *device)
{
struct cmd_context *cmd = (struct cmd_context *)libh;
return find_vgname_from_pvname(cmd, device);
}
|
