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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <libintl.h>
#include "volume_request.h"
#include "volume_error.h"
/*
* Methods which manipulate a request_t struct
*/
/*
* Constructor: Create a request_t struct. This request_t must be
* freed.
*
* @param request
* RETURN: a pointer to a new request_t
*
* @return 0
* if successful
*
* @return non-zero
* if an error occurred. Use get_error_string() to
* retrieve the associated error message.
*/
int
new_request(
request_t **request)
{
int error;
devconfig_t *diskset_req;
devconfig_t *diskset_config;
*request = (request_t *)calloc(1, sizeof (request_t));
if (*request == NULL) {
(void) volume_set_error(gettext("new_request calloc() failed\n"));
return (-1);
}
/* Create a new diskset_req */
if ((error = new_devconfig(&diskset_req, TYPE_DISKSET)) != 0) {
free_request(*request);
return (error);
}
request_set_diskset_req(*request, diskset_req);
/* Create a new diskset_config */
if ((error = new_devconfig(&diskset_config, TYPE_DISKSET)) != 0) {
free_request(*request);
return (error);
}
request_set_diskset_config(*request, diskset_config);
return (0);
}
/*
* Free memory (recursively) allocated to a request_t struct
*
* @param arg
* pointer to the request_t struct to free
*/
void
free_request(
void *arg)
{
request_t *request = (request_t *)arg;
if (request == NULL) {
return;
}
/* Free the diskset_req */
if (request->diskset_req != NULL) {
free_devconfig(request->diskset_req);
}
/* Free the diskset_config */
if (request->diskset_config != NULL) {
free_devconfig(request->diskset_config);
}
/* Free the devconfig itself */
free(request);
}
/*
* Set the disk set at the top of the request hierarchy
*
* @param request
* The request_t representing the request to modify
*
* @param diskset
* The devconfig_t representing the toplevel (disk set)
* device in the volume request hierarchy
*/
void
request_set_diskset_req(
request_t *request,
devconfig_t *diskset)
{
request->diskset_req = diskset;
}
/*
* Get the disk set at the top of the request hierarchy
*
* @param request
* The request_t representing the request to examine
*
* @return The devconfig_t representing the toplevel (disk set)
* device in the volume request hierarchy
*/
devconfig_t *
request_get_diskset_req(
request_t *request)
{
return (request->diskset_req);
}
/*
* Set/get the disk set at the top of the proposed volume hierarchy
*
* @param request
* The request_t representing the request to modify
*
* @param diskset
* The devconfig_t representing the toplevel (disk set)
* device in the proposed volume hierarchy
*/
void
request_set_diskset_config(
request_t *request,
devconfig_t *diskset)
{
request->diskset_config = diskset;
}
/*
* Get the disk set at the top of the request hierarchy
*
* @param request
* The request_t representing the request to examine
*
* @return The devconfig_t representing the toplevel (disk set)
* device in the proposed volume hierarchy
*/
devconfig_t *
request_get_diskset_config(
request_t *request)
{
return (request->diskset_config);
}
|
